Disclosure of Invention
Therefore, the technical problem to be solved by the invention is that the traditional packaging mode of the traditional Chinese medicine decoction pieces has low packaging efficiency and high labor cost, is easy to pollute the Chinese medicine decoction pieces, and cannot meet the packaging requirement.
In order to solve the technical problems, the invention provides a traditional Chinese medicine decoction piece packaging machine, which comprises:
the device comprises a rack, wherein a feeding station and a charging station are arranged on the rack;
The feeding assembly comprises a feeding roller and a material bag guide roller set, the feeding roller is rotatably arranged on the frame and is suitable for winding coiled material bags, each coiled material bag comprises a plurality of packaging bags which are sequentially connected, each coiled material bag is provided with a winding-out end which is wound out from the feeding roller, and the material bag guide roller set is used for guiding the winding-out end so as to convey the packaging bag positioned at the foremost end of the winding-out end to the charging station;
the bag opening assembly is arranged on the rack and positioned at the medicine charging station and is used for opening the bag opening of the packaging bag transferred to the medicine charging station;
the decoction piece conveying component is arranged on the frame and is correspondingly positioned at one side of the medicine loading station, and is provided with a decoction piece output port which is positioned above the medicine loading station and is correspondingly arranged at the bag mouth of the opened packaging bag at the medicine loading station;
the material bag packaging assembly is arranged on the frame and used for sealing the bag mouth of the packaging bag filled with the decoction pieces and separating the sealed packaging bag from the coiled material bag.
Optionally, the feeding roller comprises:
the roller body is rotationally arranged on the frame and is hollow, a through hole is formed in the roller body, and the roller body extends transversely along the frame;
the fastening structure is movably arranged in the roller body and is provided with a tight abutting state which extends out of the through hole and is suitable for tightly abutting the coiled material bag outside the roller body and a shrinkage state which shrinks in the roller body;
the two limiting structures are arranged at opposite intervals along the axial direction of the roller body, at least one of the limiting structures is detachably arranged on the roller body, and the spacing between the two limiting structures is adjustable so as to be suitable for being respectively abutted to two ends of a coiled material bag along the axial direction of the coiled material bag.
Optionally, the roller body comprises a feeding shaft and a roller sleeved on the outer side of the feeding shaft, the feeding shaft is rotatably arranged on the frame and has a reciprocating movement stroke along the transverse direction of the frame, and the feeding shaft is provided with a driving part;
the fastening structure comprises a fastening piece connected with the roller, the fastening piece is provided with a movable stroke along the radial direction of the feeding shaft, and a transmission part in abutting fit with the driving part is arranged on the fastening piece;
The feeding shaft moves along the axial direction under the action of external force, and the fastening piece is driven to move along the radial direction of the feeding shaft under the action of the cooperation of the driving part and the transmission part.
Optionally, the feeding shaft is set to first lead screw, the one end of first lead screw with the frame rotates to be connected, the other end spiro union of first lead screw has adjusting nut, the feeding roller still including locating respectively first pedestal and the second pedestal at roller both ends, first pedestal with the frame rotates to be connected, first lead screw with form the cooperation of stopping changeing between the first pedestal, adjusting nut butt in the second pedestal is dorsad the one end of first pedestal, and can rotate for the second pedestal.
Optionally, the bag guide roller set includes:
the plurality of guide rollers are arranged between the feeding station and the charging station at parallel intervals, and the winding-out end sequentially winds the plurality of guide rollers and guides towards the charging station;
one end of the tensioning structure is rotatably arranged on the frame, and the other end of the tensioning structure is suitable for being pressed on a material bag positioned between two adjacent guide rollers;
The driving roller and the driven roller are arranged in parallel along the up-down direction of the frame, and a discharging gap suitable for the passing of the feeding bag is formed between the driving roller and the driven roller;
the roller driver is arranged on the frame and is in driving connection with the driving roller, and the roller driver is used for driving the driving roller to rotate and driving the driven roller to rotate and is used for providing traction force towards the direction of the charging station to a material bag in the discharging gap.
Optionally, the tensioning structure includes:
one end of the swinging rod is rotationally connected with the frame;
the pressing rod is arranged at the other end of the swinging rod and is parallel to the feeding roller, and is suitable for being pressed on a material bag positioned between at least one group of two adjacent guide rollers;
when the roller driver drives the driving roller to rotate and drives the material bag to move towards the discharging gap, the compression joint rod is lifted to be in a first position under the action of the tension force of the material bag; when the driving roller stops rotating, the pressing connection rod can press the material bag under the action of self gravity so as to be in the second position.
Optionally, the bag-expanding assembly comprises:
The first bag supporting structure is movably arranged on the rack and corresponds to the medicine charging station, and is suitable for supporting the bag mouth of the packaging bag at the medicine charging station along the transverse direction of the rack;
the second bag opening structure is movably arranged on the frame and corresponds to the charging station, and is suitable for opening the bag opening of the packaging bag positioned at the charging station along the longitudinal direction of the frame.
Optionally, the first bag supporting structure includes two first bag supporting components which are oppositely arranged along the transverse direction of the frame, the two first bag supporting components have movable strokes of approaching each other and separating each other, and each first bag supporting component includes:
the first bag supporting block is movably arranged on the frame and has a movable stroke along the transverse direction of the frame;
the first bag supporting claw is rotationally arranged on the first bag supporting block, a rotating shaft of the first bag supporting claw is arranged along the longitudinal extension of the frame, and the first bag supporting claw rotates relative to the first bag supporting block so as to have a first bag supporting state extending into a bag opening of a packaging bag at the medicine filling station and a first waiting state falling out from the bag opening of the packaging bag at the medicine filling station.
Optionally, the second bag supporting structure includes two second bag supporting parts oppositely arranged along the transverse direction of the frame, the two second bag supporting parts have a movable stroke along the longitudinal direction of the frame, and each first bag supporting part includes:
the base is movably arranged on the frame and provided with a movable stroke along the longitudinal direction of the frame;
the second bag supporting block is movably arranged on the base and has a movable stroke along the transverse direction of the frame;
the second bag opening claw is rotationally arranged on the second bag opening block, a rotating shaft of the second bag opening claw is arranged along the transverse extension of the frame, and the second bag opening claw rotates relative to the second bag opening block so as to have a second bag opening state extending into a bag opening of a packaging bag at the charging station and a second waiting state falling out from the bag opening of the packaging bag at the charging station.
Optionally, the pouch packaging assembly includes:
the heat sealing plate extends along the transverse direction of the frame and is positioned below the first bag supporting structure;
the press-fitting structure comprises a press-fitting plate movably arranged on the frame, the press-fitting plate and the heat sealing plate are oppositely arranged along the longitudinal direction of the frame, and the press-fitting plate has a movable stroke close to and far away from the heat sealing plate;
The pressing plate driving structure is arranged on the frame, connected with the pressing plate and used for driving the pressing plate to be close to or far away from the heat sealing plate;
the separating structure comprises a separating plate movably arranged on the frame, wherein the separating plate is provided with a first working state and a second working state, the first working state is close to the packaging bag at the charging station and applies a pulling force on the packaging bag to enable the packaging bag to be separated from the material bag, and the second working state is far away from the packaging bag.
Optionally, the clamp plate drive structure is including locating pressure equipment driver in the frame, with the second lead screw that pressure equipment driver is connected, with the first nut of second lead screw looks spiro union, and with the transfer line that first nut is connected, the pressure plate with the transfer line is connected, the second lead screw is followed the upper and lower direction of frame is the slope setting, the transfer line is followed the transverse of frame is the arcuation setting, pressure equipment driver drive the second lead screw rotates, drives first nut is followed the second lead screw removes, drives the transfer line removes, so that the pressure plate can be close to or keep away from the direction of hot shrouding removes.
Optionally, the separation structure includes the mounting bracket, articulated in separation driver on the mounting bracket, with the third lead screw that separation driver is connected, with the second nut of third lead screw looks spiro union, the division board with the mounting bracket articulates mutually, just the one end of division board with the second nut is connected, separation driver drive the third lead screw rotates, drives the second nut is followed the third lead screw removes, makes the other end of division board can be towards being close to or keep away from the direction of wrapping bag of loading station department removes.
Optionally, the decoction piece delivery assembly comprises:
the decoction piece conveying belt is arranged along the transverse extension of the frame;
the baffle structures are arranged at intervals along the conveying direction of the decoction piece conveying belt, and each baffle structure extends along the width direction of the decoction piece conveying belt; and
the guide funnel is arranged corresponding to the conveying tail end of the decoction piece conveying belt, and the decoction piece output port is positioned at the necking end of the guide funnel.
The technical scheme provided by the invention has the following advantages:
the invention provides a traditional Chinese medicine decoction piece packaging machine which comprises a frame, a feeding component, a bag supporting component, a decoction piece conveying component and a material bag packaging component, wherein the feeding component is used for conveying a material bag, the coiled material bag is sleeved on a feeding roller and coiled out, and the coiled material bag is guided by a material bag guiding roller group so that the material bag can be conveyed to a medicine filling station; further, the bag opening of one packaging bag conveyed to the medicine filling station is opened through the bag opening assembly, so that the traditional Chinese medicine decoction pieces are conveyed through the decoction piece conveying assembly to fall into the packaging bag with the bag opening opened, finally, the bag opening of the packaging bag filled with the traditional Chinese medicine decoction pieces is sealed through the material bag packaging assembly, and the packaging bag is separated from the coiled material bag, so that an independent and packaged tablet bag is formed, and the traditional Chinese medicine decoction pieces are conveniently transported and sold. The traditional Chinese medicine decoction piece packaging machine provided by the invention has the advantages that no manual participation is needed from the feeding of the material bag, the feeding of the traditional Chinese medicine decoction pieces and the charging and sealing of the material bag, the charging efficiency is higher, the sanitation of the traditional Chinese medicine decoction pieces is better, and the automatic packaging requirement of the traditional Chinese medicine decoction pieces can be met.
Detailed Description
The following description of the embodiments of the present invention will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the invention are shown. The invention will be described in detail hereinafter with reference to the drawings in conjunction with embodiments. It should be noted that, without conflict, the embodiments of the present invention and features of the embodiments may be combined with each other.
It should be noted that the terms "first," "second," and the like in the description and the claims of the present invention and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order.
In the present invention, unless otherwise indicated, terms of orientation such as "upper, lower, top, bottom" are used generally with respect to the orientation shown in the drawings or with respect to the component itself in the vertical, upright or gravitational direction; also, for ease of understanding and description, "inner and outer" refers to inner and outer relative to the profile of each component itself, but the above-mentioned orientation terms are not intended to limit the present invention.
The invention provides a traditional Chinese medicine decoction piece packaging machine 100 which is used for automatically packaging processed traditional Chinese medicine decoction pieces. Specifically, referring to fig. 1 to 3, the apparatus 100 includes a frame 1, a feeding assembly 2, a bag-supporting assembly 3, a tablet conveying assembly 4 and a bag-packaging assembly 5 disposed on the frame 1. The feeding assembly 2 is used for conveying the material bags, the coiled material bags are sleeved on a feeding roller 21 of the feeding assembly 2 and coiled out, and the coiled material bags are guided by a material bag guiding roller set 22 of the feeding assembly 2, so that the material bags can be conveyed to a medicine charging station; further, the bag opening 201 of one packaging bag 200 conveyed to the medicine filling station is opened through the bag opening assembly 3, so that the traditional Chinese medicine decoction pieces are conveyed through the decoction piece conveying assembly 4 to fall into the packaging bag 200 with the bag opening 201 opened, finally, the bag opening 201 of the packaging bag 200 filled with the traditional Chinese medicine decoction pieces is sealed through the material bag packaging assembly 5, and the packaging bag 200 is separated from the coiled material bag, so that an independent and packaged tablet bag is formed, and the traditional Chinese medicine decoction pieces are convenient to transport and sell. The traditional Chinese medicine decoction piece packaging machine 100 provided by the invention has the advantages that no manual participation is needed from the feeding of the material bags, the feeding of the traditional Chinese medicine decoction pieces and the charging and sealing of the material bags, the charging efficiency is higher, the sanitation of the traditional Chinese medicine decoction pieces is better, and the automatic packaging requirement of the traditional Chinese medicine decoction pieces can be met.
Specifically, the frame 1 may be a supporting frame assembled by a steel frame structure, may also be a supporting plate, or may also be a generalized installation seat such as the ground, where the specific structure and shape of the frame 1 are not specifically limited, and may be reasonably set according to actual installation requirements. Wherein, a feeding station and a charging station are arranged on the frame 1, and the feeding station is arranged corresponding to the feeding component 2 so as to feed the material bags; the medicine charging station is a station for putting the Chinese herbal medicine decoction pieces into the packaging bag 200.
As shown in fig. 2 and 3, the feeding assembly 2 is used for conveying bags, the feeding assembly 2 comprises a feeding roller 21 and a bag guiding roller set 22 which are rotatably arranged on the frame 1, the feeding roller 21 is suitable for winding the coiled bags, when materials are supplied, the coiled bags are wound in a circular ring shape, the inner ring side of the coiled bags can be directly sleeved on the outer side of the feeding roller 21, each coiled bag comprises a plurality of packaging bags 200 which are sequentially connected, each coiled bag is provided with a winding end which is wound out from the feeding roller 21, and the bag guiding roller set 22 is used for guiding the winding end so as to convey the packaging bag 200 positioned at the forefront of the winding end to a loading station; the first package 200 of the rolled material bags is the front package 200, and after the previous package 200 is filled and removed, the package 200 adjacent to the previous package 200 is the front package 200, and the packaging is continued.
As shown in fig. 4 to 6, the feeding roller 21 includes a roller body 211, a fastening structure 212, and two limiting structures 213, the roller body 211 is rotatably disposed on the frame 1 and is hollow, a through hole 2123 is disposed on the roller body 211, and the roller body 211 extends along a transverse direction of the frame 1, that is, an axial direction of the roller body 211 extends along the transverse direction of the frame 1; the fastening structure 212 is movably arranged in the roller body 211, the fastening structure 212 is provided with a tight abutting state which extends out of the through hole 2123 and is suitable for tightly abutting the coiled material bag outside the roller body 211 and a shrinkage state which shrinks into the roller body 211, when the fastening structure 212 is in the tight abutting state, the fastening structure 212 is tightly abutted against the inner ring side of the coiled material bag, so that the coiled material bag is fixed on the outer circumference side of the roller body 211, and when the fastening structure 212 is in the shrinkage state, the fastening structure 212 is separated from the material bag, so that the coiled material bag can be taken and placed from the roller body 211, and the replacement or maintenance of the material bag is facilitated; the two limiting structures 213 are arranged at opposite intervals along the axial direction of the roller body 211, at least one limiting structure 213 is detachably arranged on the roller body 211, the interval between the two limiting structures 213 is adjustable so as to be suitable for being respectively abutted against two ends of a coiled material bag along the axial direction of the roller body, the coiled material bag can be limited along the radial direction of the roller body 211 through the fastening structure 212, the material bag can rotate along with the roller body 211, and the two limiting structures 213 can limit the two ends of the coiled material bag along the axial direction of the roller body, so that the coiled material bag is prevented from sliding along the axial direction of the roller body 211 relative to the roller body; and wherein at least one of the limiting structures 213 is detachably disposed on the roller body 211, so that when the material bag is required to be fed or replaced, the limiting structure 213 can be removed, and the coiled material bag can be removed from one end of the limiting structure 213, thereby facilitating replacement of the material bag.
In the present invention, as shown in fig. 1, the transverse direction and the longitudinal direction of the frame 1 refer to two directions perpendicular to each other in the horizontal direction when the herbal pieces-packing machine 100 is operating normally. For example, when the lateral direction is the left-right direction of the frame 1, the horizontal direction is the front-rear direction of the frame 1, and the description of the orientation in the present invention may be referred to as such.
Further, as shown in fig. 6, the roller body 211 includes a feeding shaft 2111 and a roller 2112 sleeved outside the feeding shaft 2111, the feeding shaft 2111 is rotatably provided on the frame 1 and has a reciprocating stroke along the transverse direction of the frame 1, and preferably, the roller 2112 is provided in a cylindrical shape with both ends open; the fastening structure 212 comprises a fastening piece 2121 connected with the roller 2112, the fastening piece 2121 is abutted against the feeding shaft 2111, the fastening piece 2121 has a movable stroke along the radial direction of the feeding shaft 2111, a driving part 2113 is arranged on the feeding shaft 2111, and a transmission part 2122 which is abutted against and matched with the driving part 2113 is arranged on the fastening piece 2121; when the feeding shaft 2111 moves in the axial direction thereof by an external force, the fastener 2121 can be driven to move in the radial direction of the feeding shaft 2111 by the cooperation of the driving portion 2113 and the transmitting portion 2122. By adjusting the axial movement of the feed shaft 2111, the fastener 2121 can be driven to move along the radial direction of the feed shaft 2111, so that the fastener 2121 can lock and unlock the coiled material bag, and the locking and unlocking of the material bag can be adjusted more conveniently.
In order to convert the axial movement of the feeding shaft 2111 into the radial movement of the fastener 2121, preferably, the feeding shaft 2111 is configured as a first screw rod 2111a, the first screw rod 2111a is arranged along the transverse extension of the frame 1, one end of the first screw rod 2111a is rotatably connected with the frame 1, the other end of the first screw rod 2111a is in threaded connection with an adjusting nut 214, the feeding roller 21 further comprises a first seat 216 and a second seat 217 which are respectively arranged at two ends of the roller 2112, the first seat 216 is rotatably connected with the frame 1, a rotation-stopping fit is formed between the first screw rod 2111a and the first seat 216, one end of the first screw rod 2111a, which is connected with the first seat 216, can be in a non-circular shape, a mounting hole for the first screw rod 2111a to pass through is formed in the first seat 216, and the shape of the mounting hole is in a non-circular shape, so that the first screw rod 2111a can be driven to rotate together when the first seat 216 rotates relative to the frame 1; the adjusting nut 214 is abutted to one end of the second seat 217, which is opposite to the first seat 216, and can rotate relative to the second seat 217, and an adjusting handle 215 is further coated on the outer side of the adjusting nut 214, a rotation-stopping fit is formed between the adjusting nut 214 and the adjusting handle 215, the adjusting nut 214 is driven to rotate together by manually rotating the adjusting handle 215, and the first screw 2111a does not rotate relative to the adjusting nut 214 due to the rotation-stopping fit formed between the first screw 2111a and the first seat 216, so that the first screw 2111a is driven to displace along the axial direction under the screwing action of the first screw 2111a and the adjusting nut 214, and further, the fastener 2121 is driven to displace along the radial direction of the first screw 2111a under the abutting action of the driving part 2113 and the driving part 2122, so that the fastener 2121 can extend out of the through hole 2123 to abut against the inner ring side of the coiled material bag, or the fastener 2121 is contracted in the roller 2112, so that the coiled material bag is disassembled and assembled.
In one embodiment, the drive portion 2113 and the transmission portion 2122 may be configured as first and second wedge surfaces, respectively, that are wedge-shaped, such that when the first lead screw 2111a is moved axially thereof, the first and second wedge surfaces are urged to move in a wedging or wedging direction, thereby urging the fastener 2121 to move radially of the first lead screw 2111 a.
Further, as shown in fig. 5 and 6, in order to make the movement of the fastener 2121 smoother, a roller 2124 is further provided on the first screw 2111a or the second screw 532, and the roller 2124 is used to make the resistance force smaller along the first wedge surface or the second wedge surface roller 2124, so that the movement is smoother.
Moreover, a plurality of fasteners 2121 may be provided, the plurality of fasteners 2121 are uniformly disposed around the outer circumference of the first screw 2111a, and a plurality of through holes 2123 are correspondingly provided on the roller 2112, and the plurality of fasteners 2121 and the plurality of through holes 2123 may be disposed in a one-to-one correspondence, so that when the plurality of fasteners 2121 are in the tight-abutting state, the tight-abutting force applied to each side of the rolled material bag is more uniform, and the rolled material bag is more firmly fixed on the roller 2112.
Further, a driving portion 2122 is disposed at each end of each fastener 2121, and a plurality of driving portions 2113 are disposed at each end of the first screw 2111a, so that the stress at each end of each fastener 2121 is more balanced, and the supporting effect is more balanced.
For the bag guiding roller set 22, the wrapping end of the rolled bags is guided, so that each package bag 200 in the rolled bags can be transported to the medicine filling station one by one, so as to facilitate the packaging of the Chinese medicine decoction pieces. Preferably, as shown in fig. 7, the bag guiding roller set 22 includes a plurality of guiding rollers 221, a tensioning structure 222, a driving roller 223, a driven roller 224 and a roller driver 225, wherein the guiding rollers 221 are arranged between the feeding station and the charging station at parallel intervals, the number of the guiding rollers 221 can be set according to the distance between the feeding station and the charging station, that is, the distance between the feeding station and the charging station along the transverse direction of the frame 1, so that the bag wound on the guiding rollers 221 stretches as far as possible, and the winding end sequentially winds around the guiding rollers 221 and is guided towards the direction of the charging station; one end of the tensioning structure 222 is rotatably arranged on the frame 1, and the other end of the tensioning structure 222 is suitable for being pressed on a material bag between two adjacent guide rollers 221, so that a certain tensioning force is provided on the material bag between the guide rollers 221, and the material bag penetrating through the guide rollers 221 is kept in a tensioning state; the driving roller 223 and the driven roller 224 are arranged in parallel along the up-down direction of the frame 1, and a discharging gap suitable for the feeding bag to pass through is formed between the driving roller and the driven roller; the roller driver 225 is arranged on the frame 1 and is in driving connection with the driving roller 223, the roller driver 225 is used for driving the driving roller 223 to rotate and driving the driven roller 224 to rotate, the roller driver is used for providing traction force towards the charging station to the material bag in the discharging gap, and the material bag is pulled out of the feeding roller 21 by the traction force between the driving roller 223 and the driven roller 224 so as to be flatly conveyed to the charging station.
Preferably, when each package 200 is completely transferred between the main moving roller 223 and the driven roller 224 to naturally drop at the loading station, the roller driver 225 may stop operation so that the package 200 is maintained at the loading station, so that the bag opening 201 of the package 200 is opened by the bag opening assembly 3 for the subsequent loading process.
Wherein the bag is made flatter in order to ensure that the bag is kept in a better tension between the plurality of guide rollers 221. Preferably, as shown in fig. 7 and 8, the tensioning structure 222 includes a swing lever 2221 and a press-contact lever 2222, one end of the swing lever 2221 being rotatably connected to the frame 1; the pressing rod 2222 is arranged at the other end of the swinging rod 2221 and is parallel to the feeding roller 21, and the pressing rod 2222 is suitable for being pressed on a material bag positioned between at least one group of two adjacent guiding rollers 221; when the roller driver 225 drives the driving roller 223 to rotate and drives the material bag to move towards the discharging gap, the press bar 2222 is lifted to be in the first position under the action of the tension force of the material bag; when the driving roller 223 stops rotating, the press-connection rod 2222 can press-connect the material bags under the action of self gravity to be in the second position, so that the feeding roller 21 is driven to unwind the material bags with preset lengths, thereby reserving the output length of the next package bag 200, ensuring that the package bag 200 can be output one package bag at a time at the charging station, and ensuring the material pulling precision of the driving roller 223 and the driven roller 224.
Further preferably, as shown in fig. 8, two swing rods 2221 are provided, the two swing rods 2221 are disposed at opposite intervals along the transverse direction of the frame 1, the first ends of the two swing rods 2221 are connected by a rotating shaft, the rotating shaft is rotatably connected with the frame 1, two crimping rods 2222 are also provided, and the two crimping rods 2222 are disposed at the second ends of the two swing rods 2221 at parallel intervals; the tensioning structure 222 further comprises four supporting rods, wherein each two supporting rods are respectively connected with two ends of one crimping rod 2222, each supporting rod is arranged along the up-down direction of the frame 1 and is in an arc shape, the bending direction of each supporting rod is consistent with the swinging direction of the swinging rod 2221, a plurality of mounting holes are formed in each supporting rod, the plurality of mounting holes are arranged at intervals along the extending direction of each supporting rod, each crimping rod 2222 can be respectively arranged at any mounting hole, and according to the difference of the mounting positions, the position of each crimping rod 2222 can be adjusted, so that the compaction degree of a material bag can be adjusted, the pretension length of the material bag can be adjusted, and the tensioning structure is more flexible and more convenient to adapt to the discharging requirements of different coiled material belts.
For the bag opening assembly 3, the bag opening assembly 3 is used for opening and unfolding the bag mouth 201 of the single packaging bag 200 at the medicine filling station, so that the traditional Chinese medicine decoction pieces can fall into the packaging bag 200 conveniently. Specifically, as shown in fig. 9 to 11, the bag opening assembly 3 includes a first bag opening structure 31 and a second bag opening structure 32, the first bag opening structure 31 is movably disposed on the frame 1 and is disposed corresponding to the charging station, and the first bag opening structure 31 is adapted to open the mouth 201 of the package bag 200 at the charging station along the transverse direction of the frame 1; the second bag opening structure 32 is movably arranged on the frame 1 and is arranged corresponding to the medicine filling station, and the second bag opening structure 32 is suitable for opening the bag opening 201 of the packaging bag 200 at the medicine filling station along the longitudinal direction of the frame 1, so that the bag opening 201 of the packaging bag 200 is pulled in the transverse direction and the longitudinal direction, the opening degree of the bag opening 201 of the packaging bag 200 is larger, and the traditional Chinese medicine decoction pieces can fall into the packaging bag 200 more conveniently.
Further, as shown in fig. 11 and 12, the first bag supporting structure 31 includes two first bag supporting parts oppositely arranged along the transverse direction of the frame 1, the two first bag supporting parts have movable strokes of approaching and separating from each other, each first bag supporting part includes a first bag supporting block 311 and a first bag supporting claw 312, and the first bag supporting block 311 is movably arranged on the frame 1 and has a movable stroke along the transverse direction of the frame 1; the first bag supporting claw 312 is rotatably provided on the first bag supporting block 311, and a rotation shaft of the first bag supporting claw 312 is provided along the longitudinal extension of the frame 1, and the first bag supporting claw 312 is rotated with respect to the first bag supporting block 311 to have a first bag supporting state of extending into the mouth 201 of the package 200 at the filling station and a first waiting state of being disengaged from the mouth 201 of the package 200 at the filling station. The two first bag supporting blocks 311 can move relatively and move back, when the two first bag supporting blocks 311 move relatively, the two first bag supporting blocks 311 move back towards the direction close to the bag opening 201 of the packaging bag 200, so that the two first bag supporting claws 312 are driven to be close to the bag opening 201 of the packaging bag 200, at the moment, the two first bag supporting claws 312 are in a first waiting state, the two first bag supporting claws 312 are driven to rotate, so that the two first bag supporting claws 312 extend into the bag opening 201 of the packaging bag 200 to be gripped at two lateral sides of the bag opening 201 along the rack 1, and the two first bag supporting blocks 311 are driven to move back to drive the two first bag supporting claws 312 to be away from each other, so that the bag opening 201 is tensioned and opened at two lateral sides.
Further, as shown in fig. 11 and 13, the second bag-supporting structure 32 includes two second bag-supporting parts disposed opposite to each other in the transverse direction of the frame 1, the two second bag-supporting parts having a movable stroke in the longitudinal direction of the frame 1, each first bag-supporting part including a base 321, a second bag-supporting block 322 and a second bag-supporting claw 323 disposed on the base 321, the base 321 being movably disposed on the frame 1 and having a movable stroke in the longitudinal direction of the frame 1; the second bag supporting block 322 is movably arranged on the base 321 and has a movable stroke along the transverse direction of the frame 1; the second bag supporting claw 323 is rotatably provided on the second bag supporting block 322, and the rotation shaft of the second bag supporting claw 323 is provided along the lateral extension of the frame 1, and the second bag supporting claw 323 rotates relative to the second bag supporting block 322 to have a second bag supporting state of extending into the bag mouth 201 of the package 200 at the filling station and a second waiting state of being disengaged from the bag mouth 201 of the package 200 at the filling station. The driving base 321 moves along the longitudinal direction of the frame 1, so that the second bag supporting block 322 on the base 321 can be driven to approach or separate from the packaging bag 200 at the charging station, at this time, the second bag supporting claw 323 is in a second waiting state, after the two bag supporting blocks approach the packaging bag 200, the second bag supporting claws 323 are driven to rotate, so that the two second bag supporting claws 323 are driven to extend into the packaging bag 200, and then the driving base 321 moves to enable the two bag supporting blocks to move towards the direction away from the packaging bag 200, so that the two bag supporting claws can be simultaneously pulled on one side of the opening 201 of the packaging bag 200 opposite to the discharging gap, and the opening 201 of the packaging bag 200 is completely pulled and torn. Of course, the spacing between the two second bag supporting blocks 322 along the transverse direction of the frame 1 can also be adjusted, so that the second bag supporting parts can be suitable for the packaging bags 200 with different widths, the application range is wider, and the adaptability is better.
Wherein, two first bag support pieces 311 can drive the removal through first drive structure, and first bag support claw 312 drives the rotation through first rotary actuator, and two second bag support pieces 322 can drive the removal through second drive structure, and second bag support claw 323 drives the rotation through the second rotary actuator.
Specifically, the first driving structure includes a screw rod, a nut connected with the screw rod, and a first screw rod driver for driving the screw rod to rotate, the screw rod is arranged along the transverse extension of the frame 1, the screw rod is provided with two screw rods, the screw rod is a double-lead screw rod, the two screw rods are respectively fixedly connected with the two first bag supporting blocks 311, the screw rod is driven to rotate through the first screw rod driver, the two screw rods are driven to move in opposite directions or back directions, and accordingly the two first bag supporting blocks 311 can be driven to be close to or far away from each other. The first rotary drivers may be provided as rotary cylinders, and the first rotary drivers may be provided in two, and the two first rotary drivers may respectively drive the two first bag holding claws 312 to rotate.
The sliding rail assembly is arranged between the base 321 and the frame 1, the sliding rail of the sliding rail assembly is arranged along the longitudinal extension of the frame 1, the base 321 is provided with a sliding block, and the base 321 is in sliding connection with the sliding rail through the sliding block, so that the base 321 moves along the frame 1 more smoothly. The second driving structure may be provided as a driving cylinder to drive the base 321 to reciprocate in the longitudinal direction of the frame 1. The second rotary driver may also be provided as a rotary cylinder to drive the second pocket-supporting claws 323 to rotate relative to the second pocket-supporting blocks 322.
Further, after the bag opening assembly 3 fully opens the mouth 201 of the package 200 at the loading station, the decoction pieces of the Chinese medicine are introduced into the package 200 through the decoction piece conveying assembly 4. Specifically, decoction piece conveying component 4 corresponds to be located the one side of loading station, and decoction piece conveying component 4 has the decoction piece delivery outlet, and the decoction piece delivery outlet is located the top of loading station, and corresponds the sack 201 setting that is in the wrapping bag 200 that is opened of loading station department, and the decoction piece of traditional chinese medicine can fall into to in the wrapping bag 200 from the decoction piece delivery outlet for the packing of traditional chinese medicine decoction piece is more convenient.
Further, as shown in fig. 2 and 3, the decoction piece conveying assembly 4 comprises a decoction piece conveying belt 41, a plurality of baffle structures 42 arranged on the decoction piece conveying belt 41, and a guide funnel 43, wherein the decoction piece conveying belt 41 extends along the transverse direction of the frame 1, and prepared decoction pieces of traditional Chinese medicine can be placed on the decoction piece conveying belt 41 for conveying; the plurality of baffle structures 42 are arranged at intervals along the conveying direction of the decoction piece conveying belt 41, each baffle structure 42 is arranged in an extending mode along the width direction of the decoction piece conveying belt 41, and a certain amount of Chinese herbal pieces are placed between every two adjacent baffle structures 42, so that the quantity of the Chinese herbal pieces falling into each packaging bag 200 is consistent; the guide funnel 43 is arranged corresponding to the conveying end of the decoction piece conveying belt 41, the guide funnel 43 is provided with a flaring end and a necking end, the flaring end is positioned at the conveying end of the decoction piece conveying belt 41, the necking end is positioned below the flaring end, the decoction piece output port is positioned at the necking end of the guide funnel 43, and the traditional Chinese medicine decoction pieces on the decoction piece conveying belt 41 fall into the flaring end of the guide funnel 43 and fall into the packaging bag 200 from the necking end so as to ensure that the traditional Chinese medicine decoction pieces can accurately fall into the packaging bag 200.
Wherein, separate the baffle structure 42 and include separating the dog, separate the dog and extend along the width direction of decoction piece conveyer belt 41 and set up, separate the dog and extend along the longitudinal direction of frame 1 promptly, and all be equipped with the baffle in the both sides of the width direction of decoction piece conveyer belt 41 to avoid the chinese medicine decoction piece to fall out from both sides.
After the decoction pieces of the Chinese medicine fall into the packing bag 200, the packing bag 200 needs to be sealed to ensure the sealed preservation of the decoction pieces of the Chinese medicine for transportation and sales.
Specifically, as shown in fig. 14 and 15, the pouch packaging assembly 5 is used to seal the mouth 201 of the package 200 containing the decoction pieces and separate the sealed package 200 from the rolled pouch, so that each of the decoction pieces is packaged separately.
The material bag package assembly 5 includes a heat sealing plate 51, a press-fitting structure 52, a pressing plate driving structure 53 and a separating structure 54, wherein the heat sealing plate 51 extends along the transverse direction of the frame 1 and is located below the first bag supporting structure 31, and the length of the heat sealing plate 51 along the transverse direction of the frame 1 should be greater than the length of the package bag 200 along the transverse direction of the frame 1, so that the package bag 200 has good pressure equalizing seal at the bag mouth 201 when heat sealing, and the heating principle of the heat sealing plate 51 is similar to that of a traditional heating plate, which is the prior art and will not be described herein; the press-fitting structure 52 comprises a press-fitting plate 521 movably arranged on the frame 1, the press-fitting plate 521 and the heat-sealing plate 51 are oppositely arranged along the longitudinal direction of the frame 1, the press-fitting plate 521 has a movable stroke close to and far away from the heat-sealing plate 51, the packaging bag 200 is positioned in the interval between the press-fitting plate and the heat-sealing plate 51 when positioned at the filling station, the press-fitting plate 521 is close to the heat-sealing plate 51 to clamp the bag mouth 201 of the packaging bag 200, the two sides of the bag mouth 201 of the packaging bag 200 are thermally fused together to form the seal of the bag mouth 201 through the heat emitted by the heat-sealing plate 51, and the press-fitting plate 521 is far away from the heat-sealing plate 51 to prepare for the input of the next packaging bag 200; the pressing plate driving structure 53 is arranged on the frame 1 and connected with the pressing plate 521, and is used for driving the pressing plate 521 to approach or separate from the heat sealing plate 51; the separating structure 54 includes a separating plate 545 movably provided on the frame 1, the separating plate 545 having a first operating state in which it is adjacent to the packing bag 200 at the loading station and a pulling force is applied to the packing bag so that the packing bag 200 is separated from the material bag, and a second operating state in which it is remote from the packing bag 200, and the packed packing bag 200 is separated from the rolled material bag by the separating plate 545.
Preferably, the platen driving structure 53 includes a press-fit driver 531 disposed on the frame 1, a second screw mandrel 532 connected to the press-fit driver 531, a first nut 533 screwed to the second screw mandrel 532, and a transmission rod 534 connected to the first nut 533, where the press-fit plate 521 is connected to the transmission rod 534, the second screw mandrel 532 is disposed obliquely along the up-down direction of the frame 1, and the transmission rod 534 is disposed transversely along the frame 1, and the press-fit driver 531 drives the second screw mandrel 532 to rotate, so as to drive the first nut 533 to move along the second screw mandrel 532 and drive the transmission rod 534 to move, so that the press-fit plate 521 can move toward a direction approaching or separating from the heat seal plate 51.
The pressing plate 521 comprises two pressing plates and two transmission plates, the two transmission plates are oppositely arranged on two sides of the pressing plate, the pressing plate 521 is movably arranged on two mounting plates connected with the frame 1, the two mounting plates are provided with two opposite mounting plates along the transverse direction of the frame 1, the two sides of each mounting plate corresponding to the transmission plates are provided with guide parts, the guide parts are used for accommodating and guiding the transmission plates, and the transmission plates are suitable for moving along the guide parts so as to drive the pressing plate to be away from the heat sealing plate 51 or drive the pressing plate to be close to the heat sealing plate 51.
In order to enable the bag opening assembly 3 and the material bag packaging assembly 5 not to interfere when moving, and the structure is more compact. Preferably, the platen moves along an arc direction, and when the platen is in a state of being far away from the heat sealing plate 51, the platen is located below the heat sealing plate 51, so that the height of the platen in the vertical direction can be effectively reduced, so that the bag opening assembly 3 is arranged at the upstream of the bag packaging assembly 5.
Specifically, the transmission plates are arc-shaped plates, the transmission rod 534 is connected between the two transmission plates, the first mounting frame 541 is provided with an upper rotatable guide wheel and a lower rotatable guide wheel, the upper guide wheel and the lower guide wheel are matched to form a guide part, the outer cambered surface of the transmission plate is contacted with the upper guide wheel, and the inner cambered surface of the transmission plate is contacted with the lower guide wheel. The number of the upper guide wheels and the lower guide wheels on each side of the first mounting frame 541 is at least two, and the upper guide wheels and the lower guide wheels are arranged at intervals along the cambered surface of the transmission plate, so that the reliability of the movement of the transmission plate is improved. By adopting the guide wheel structure to guide the transmission plate, the movement of the transmission plate is smoother.
Preferably, the peripheries of the upper guide wheel and the lower guide wheel are both provided with a circle of groove in an inward concave manner, the outer cambered surface of the transmission plate is embedded in the groove of the upper guide wheel, and the inner cambered surface of the transmission plate is embedded in the groove of the lower guide wheel.
The hinge axis of the press-fit driver 531, the rotation axis of the connecting rod and the rotation axis of the transmission plate are the same, when the press-fit driver 531 drives the second screw rod 532 to rotate, and then drives the first nut 533 to move along the second screw rod 532, the pressing plate member moves synchronously along with the first nut 533, and the pressing plate is driven to be close to or far away from the heat sealing plate 51.
As shown in fig. 15 and 17, the separation structure 54 includes a mounting frame 541, a separation driver 542 hinged to the mounting frame 541, a third screw rod 543 connected to the separation driver 542, and a second nut 544 screwed to the third screw rod 543, where the separation plate 545 is hinged to the mounting frame 541, and one end of the separation plate 545 is connected to the second nut 544, and the separation driver 542 drives the third screw rod 543 to rotate, so that the second nut 544 moves along the third screw rod 543, and the other end of the separation plate 545 can move toward a direction approaching or separating from the package bag 200 at the loading station. The package 200 is removed from the pouch by approaching the separation plate 545 to the package 200 to form an independent package. The operation of the separating structure 54 is similar to that of the platen driver and will not be repeated here.
In addition, the packaging machine 100 for decoction pieces of Chinese medicine further comprises a transporting assembly 6, and the packaged product separated by the separating structure 54 can fall onto the transporting assembly 6 and be transported to a product accommodating place or a next processing procedure place by the transporting assembly 6 so as to perform centralized processing of the packaged product or processing of the next procedure.
Wherein, as shown in connection with fig. 1-3, the transport assembly 6 may include a product conveyor 61 by which the packaged products may be conveyed to a designated station by the product conveyor 61, the product conveyor 61 being located below the separating structure 54. Furthermore, a guide member is further provided on the frame 1, the guide member being located below the first bag supporting structure 31, the guide member having a guide surface provided obliquely downward for guiding the separated packaged product toward the direction of the product conveyor 61, so that the packaged product can accurately fall onto the product conveyor 61.
The specific working principle of the traditional Chinese medicine decoction piece packaging machine 100 is as follows: the coiled material bags are sleeved outside a roller 2112 of a feeding roller 21, the coiled material bags are locked on the roller 2112 by rotating an adjusting handle 215, the coiled material strips are further locked by two limiting structures 213, the coiling end of the coiled material bags are coiled out to be coiled along a plurality of guide rollers 221 in turn, the forefront end of the coiling end is clamped between a driving roller 223 and a driven roller 224, a roller driver 225 is started to drive the packaging bag 200 at the forefront end to be positioned at a charging station, two first bag supporting blocks 311 are driven to move by a first driving structure, so that the two first bag supporting claws 312 can support the bag mouth 201 of the packaging bag 200 along the transverse direction of a rack 1, simultaneously, two second bag supporting blocks 322 are driven to move towards the direction close to the packaging bag 200 through the second driving structure, so that two second bag supporting claws 323 can open the bag opening 201 along the longitudinal direction of the frame 1, traditional Chinese medicine decoction pieces are conveyed towards the interior of the packaging bag 200 through the decoction piece conveying component 4, the packaging bag 200 filled with the traditional Chinese medicine decoction pieces is packaged into the bag opening 201 through the material bag packaging component 5, after the packaging of the bag opening 201 is well packaged, packaged finished products are separated from the coiled material belt through the separating structure 54, and the packaged finished products are conveyed to a designated station through the conveying component 6, so that the whole packaging of the traditional Chinese medicine decoction pieces is completed, the degree of automation is higher, and the packaging quality is better.
It will be apparent that the embodiments described above are merely some, but not all, embodiments of the invention. Based on the embodiments of the present invention, those skilled in the art may make other different changes or modifications without making any creative effort, which shall fall within the protection scope of the present invention.