Manufacturing process and equipment of bottle capTechnical Field
The application belongs to the technical field of bottle cap manufacturing, and particularly relates to a manufacturing process and equipment of a bottle cap.
Background
The bottle cap acts on the bottle, and can be designed into various functional shapes for different functional effects. The content is volatile product package like wine bottle package, because alcohol is easy to volatilize, generally the bottle cap is required to have a sealing function like carbonated beverage package, and the bottle cap is required to bear a certain pressure and also has a certain sealing function.
The traditional Chinese patent with publication number of CN108943563B comprises an injection molding machine body, a first movable mold, a second movable mold, a first mechanical arm, a second mechanical arm, a third mechanical arm, a first screw rod, a second screw rod, a third screw rod and a PLC (programmable logic controller), wherein a first station, a second station, a third station and a fourth station are arranged on the outer side of the injection molding machine body; the manufacturing method of the anti-counterfeiting sealed bottle cap comprises the following steps: the method comprises the steps of injection molding of the sealing ring, cooling and shaping of the sealing ring, placement of an in-film label, injection molding of the lower cover, assembly of the upper cover on the lower cover, injection molding of the anti-theft ring, taking out of a finished product and the like.
The manufacturing method can effectively seal, the four stations of the injection molding machine can synchronously work, the working efficiency is improved, but when the upper cover and the lower cover are combined through the second mechanical arm, the upper cover and the lower cover are not screwed, the sealing performance between the upper cover and the lower cover is low, and the injection molding of a subsequent anti-theft ring is influenced.
Disclosure of Invention
The utility model provides a to the technical problem that above-mentioned exists, provide a manufacture equipment of bottle lid, can be continuous production bottle lid, have higher production efficiency, and guarantee that the bottle lid of production has higher structure steadiness and leakproofness.
The application provides a manufacture equipment of bottle lid includes: the injection molding machine comprises an injection molding machine body, wherein the injection molding machine body is provided with a rotatable mold base, and the mold base comprises a first station, a second station, a third station and a fourth station; the fixed upper die holder is arranged on the first station, the second station, the third station and the fourth station; the fixed lower die holder is arranged on a first station, a second station, a third station and a fourth station; the first movable die is arranged on the injection molding machine body and corresponds to the first station; the second movable die is arranged on the injection molding machine body and corresponds to the third station; and the detection mechanism is arranged on the fourth station and corresponds to the fixed lower die holder.
The injection molding machine body has higher structural strength, the mold frame is rotatably arranged on the injection molding machine body and is rectangular, the fixed upper mold base and the fixed lower mold base are arranged on four sides of the mold frame, the four sides of the mold frame respectively correspond to the first station, the second station, the third station and the fourth station, the mold frame is driven to rotate by the injection molding body, so that the fixed upper mold base and the fixed lower mold base can continuously move among the first station, the second station, the third station and the fourth station to continuously manufacture the bottle caps, the first movable mold is matched with the fixed upper mold base and the fixed lower mold base on the first station, the sealing ring is formed on the fixed upper mold base on the first station in an injection molding mode, then the sealing ring is rotated to the second station for cooling, the sealing ring is rotated to the third station, the upper cover is injected on the fixed upper mold base on the third station, the lower cover is injected on the fixed lower mold base, and the sealing ring is rotated to the fourth station after injection molding is completed, after the lower cover is taken down and assembled with the upper cover on the fourth station, the tightness between the upper cover and the lower cover is detected through the detection mechanism, so that the connection stability between the upper cover and the lower cover is determined, the machining precision of the anti-theft ring is ensured, the mold frame is rotated after the detection is completed, the assembled upper cover and the assembled lower cover are rotated to the first station to mold the anti-theft ring, the mold frame is continuously rotated after the injection molding is completed, and the finished bottle cover product is taken down on the second station.
Further, the method also comprises the following steps: a first robotic arm corresponding to a second station; a second mechanical arm corresponding to a fourth station.
The first mechanical arm corresponds to the second station, the second mechanical arm corresponds to the fourth station, the finished bottle cap on the second station is taken down from the fixed lower die holder through the first mechanical arm, and the lower cap on the fixed upper die holder on the fourth station is assembled with the upper cap on the fixed lower die holder after being taken down through the second mechanical arm, so that the automation performance of bottle cap production is improved.
Further, the detection mechanism includes: the detection seat is arranged on the injection molding machine body; the movable core is movably connected to the detection seat; the movable cavity is arranged on the detection seat and is matched with the movable core; the movable piston is arranged in the movable cavity and is connected with the movable core in an installing way; the screw rod is in threaded connection with the movable piston; the output shaft of the driving motor is connected with the screw; wherein the movable piston forms a sealed space with one side of the movable cavity.
The detection seat is matched with a fixed lower die seat on a fourth station, the detection seat is driven to move by an injection molding machine body, so that the movable core is matched with the lower cover, the detection seat is abutted against the sealing ring to ensure the connection sealing property between the detection seat and the lower cover, the movable piston is fixedly connected with the movable core, the driving motor is installed with the screw rod, the screw rod is rotated after the driving motor is started, the screw rod is in threaded connection with the movable piston, the movable piston moves along the axis of the screw rod when the screw rod rotates, the movable piston moves towards the sealed space in a reverse direction, the volume of the sealed space is reduced, the air pressure in the sealed space is increased, the volume of the movable space formed between the movable cavity and the bottle cover is increased, and if the upper cover and the lower cover are connected and sealed firmly, the air pressure in the space is reduced, and if the connection between the upper cover and the lower cover is not sealed or the screw threads on the upper cover and the lower cover are manufactured to have defects, the air pressure in the space is the same as the atmospheric pressure when the moving piston moves.
Further, the detection mechanism further includes: the push rod is arranged in the movable cavity; the vent holes are distributed on the movable core, the push rod is arranged at one end of the vent hole, and the other end of the vent hole is communicated with the sealed space; the roller is arranged on the push rod; the limiting groove corresponds to the roller and is arranged on the inner wall surface of the movable cavity; the first pressure sensor is arranged in the limiting groove.
One end of a push rod is connected with a sealing space through an air vent, the other end of the push rod is connected with the space in a bottle cap, when a moving piston moves, the space of a movable cavity at two sides of the moving piston changes, so that the acting force at two ends of the push rod changes, the push rod is pushed to move, if the upper cap and the lower cap are connected and stably sealed, the air pressure in the bottle cap is reduced, the air pressure in the sealing space is increased, the push rod is pushed to move outwards, the push rod can also move along with a movable core, when the push rod moves to a position of a limiting groove, a driving motor stops under the action of a first pressure sensor, the assembly sealing between the upper cap and the lower cap is shown, if the connection between the upper cap and the lower cap is unstable or threads on the upper cap and the lower cap have defects, so that the upper cap and the lower cap are not sealed, when the push rod moves to the limiting groove, the pressure at two sides of the push rod causes the push rod to have limited ejection distance, so that the push rod does not act on the first pressure sensor, when the push rod is abutted against the movable cavity through the roller, the friction generated when the push rod moves is reduced.
Further, the detection mechanism further includes: the buffer parts are hinged to the bottom of the movable cavity and are provided with a plurality of buffer parts which are uniformly distributed around the axis of the movable core; the buffer groove is arranged at the bottom of the movable cavity and is matched with the buffer piece; the buffer spring is arranged at one end of the buffer piece and is arranged between the buffer piece and the buffer groove; and the second pressure sensor is arranged on the movable piston and corresponds to the other end of the buffer piece.
The bolster articulates in the bottom in activity chamber, and with the dashpot adaptation, buffer spring arranges in between bolster and the dashpot, the push rod removes to the spacing groove when the bottle lid is unsealed and does not act on first pressure sensor, driving motor does not stop work, the screw rod lasts to rotate and makes the bottom direction removal in activity chamber of removal piston, when the bolster contradicts the second pressure sensor who removes on the piston, driving motor stops the drive, the bolster makes the spring deformation when receiving the effect of removal piston, absorb the kinetic energy of part removal piston, improve the stability of removal piston, and prevent the bottom striking in removal piston and activity chamber.
Further, the detection mechanism further includes: the gas interface is arranged on the detection seat and connected with the sealed space, and the amount of gas in the sealed space is adjusted through the gas interface.
The gas quantity in the sealed space is controlled through the gas interface, when the push rod is arranged at the position of the limiting groove, the air pressure in the sealed space is controlled to be the same as the atmospheric pressure, the acting force on the two sides of the push rod is the same, the stress is balanced, the push rod does not act on the first pressure sensor, and therefore the situation that the connection between the upper cover and the lower cover is not sealed is determined.
The application also provides a manufacturing process of the manufacturing equipment of the bottle cap, which comprises the following steps: s1: the sealing ring of the bottle cap is injection molded through the fixed upper die holder at the first station, and the first movable die is opened after injection molding is finished, so that the die carrier rotates by 90 degrees, and the sealing ring is fully cooled at the second station;
s2: injecting an upper cover and a lower cover, enabling the die carrier to rotate 90 degrees continuously, injecting the lower cover into a fixed upper die base on a third station, injecting the upper cover into a fixed lower die base, and opening a second movable die after injection molding is finished, so that the die carrier rotates 90 degrees continuously;
s3: the upper cover and the lower cover are assembled, the lower cover on the upper fixed die base is taken down through a second mechanical arm on a fourth station and then assembled with the upper cover on the lower fixed die base, the assembly tightness of the upper cover and the lower cover is detected through a detection mechanism after the assembly is finished, and the die carrier is rotated for 90 degrees continuously after the detection is finished;
s4: the anti-theft ring is injection-molded on the fixed lower die holder on the first station, and the first movable die is opened after injection molding is finished, so that the die frame rotates by 90 degrees;
s5: and blanking, and taking down the finished product through a first mechanical arm on a second station.
Further, the detecting step of the detecting mechanism includes: t1: adjusting before detection, connecting a gas interface with a gas source, driving a screw rod to rotate through a driving motor, enabling a movable piston to move, enabling the roller to abut against the inner wall surface of a movable cavity under the action of the air pressure in a sealed space on a push rod, stopping the movement of the movable piston when the push rod moves to a limiting groove, opening the gas interface, enabling the air pressure in the sealed space to be the same as the atmospheric pressure, then closing the gas interface, and driving the driving motor to reset a movable core;
t2: the detection is started, the detection seat is moved to enable the movable core to be matched with the lower cover, the driving motor is driven to enable the screw to rotate so as to drive the movable piston to move, if the upper cover and the lower cover are sealed, the air pressure in the sealed space is increased, the push rod is pushed out, when the push rod moves to the limiting groove, the air pressure in the sealed space is larger than the air pressure in the bottle cap, the roller wheel abuts against the first pressure sensor, the driving motor stops driving, when the upper cover and the lower cover are not sealed, the movable core moves, the air pressure in the bottle cap is the same as the atmospheric pressure, when the push rod is located in the limiting groove, the pressures on the two sides of the push rod are the same, the roller wheel does not interact with the first pressure sensor, the movable piston continues to move, and the driving motor stops driving when the second pressure sensor on the movable piston abuts against the buffer piece;
t3: and alarm feedback, wherein when the second pressure sensor detects a signal, the second pressure sensor indicates that the upper cover and the lower cover are not sealed, the injection molding machine body stops working and gives an alarm.
The beneficial effect of this application is:
1. the fixed upper die base and the fixed lower die base are rotated through the die frame, so that the bottle cap can be continuously manufactured, the sealing ring is molded at the first station, the sealing ring is cooled at the second station, the upper cover and the lower cover are molded at the third station, the upper cover and the lower cover are assembled and subjected to sealing detection at the fourth station, the anti-theft ring is molded at the first station after the detection is passed, and finally the finished product of the bottle cap is taken down at the second station.
2. Detect the seat through injection molding machine body control and remove, make and detect the seat, activity core and lower cover adaptation, thereby make the screw rod rotate through drive driving motor and make the axis that removes the piston and remove along the screw rod, increase the space in the bottle lid, detect the atmospheric pressure change in the bottle lid, if upper cover and lower cover are sealed, then the bottle lid internal gas pressure diminishes along with the space grow, if do not seal between upper cover and the lower cover, then the bottle lid internal gas pressure does not diminish along with the space grow, atmospheric pressure is the same with atmospheric pressure.
3. The pressure effect of push rod both sides changes when removing the piston and removing, if atmospheric pressure in the bottle lid diminishes then the push rod slowly pops out and offsets with the internal face in activity chamber, when the push rod removes to the spacing groove, to first pressure sensor effect, first pressure sensor makes driving motor stop driving after detecting the signal, atmospheric pressure when in the bottle lid is unchangeable same with atmospheric pressure, the push rod does not act on first pressure sensor when removing through the spacing groove, make driving motor continuously move, act on the second pressure sensor on bolster and the removal piston, when detecting second pressure sensor's signal, stop driving motor's drive, it is not sealed to show between upper cover and the lower cover this moment, need shut down the inspection.
4. The moment that the movable piston offsets with one end of the buffer piece, the spring installed at the other end of the buffer piece is deformed, the spring absorbs part of kinetic energy, the movable piston stops moving more stably, the buffer piece is installed in the buffer groove, and the buffer groove is arranged in the buffer piece when the movable piston abuts against the bottom of the movable cavity, so that the movable piston is prevented from impacting the buffer piece to damage the hinge of the buffer piece.
Drawings
FIG. 1 is a schematic structural view of an injection molding machine body of the present application;
FIG. 2 is a schematic illustration of a fourth station of the present application;
FIG. 3 is a schematic structural view of the detection mechanism of the present application;
FIG. 4 is a schematic top view of the active chamber of the present application;
FIG. 5 is a schematic structural view of a buffer of the present application;
reference numeral 100 in the figure, an injection molding machine body; 110. a mold frame; 111. a first station; 112. a second station; 113. a third station; 114. a fourth station; 120. fixing an upper die holder; 130. fixing a lower die holder; 200. a first movable mold; 300. a second movable mold; 400. a detection mechanism; 410. a detection seat; 411. a limiting groove; 412. a buffer tank; 420. a movable core; 421. a moving piston; 422. a vent hole; 430. a movable cavity; 431. sealing the space; 440. a screw; 450. a drive motor; 460. a push rod; 461. a roller; 470. a first pressure sensor; 480. a second pressure sensor; 490. a buffer member; 491. a buffer spring; 500. a first robot arm; 600. a second mechanical arm; 700. and a gas interface.
Detailed Description
The technical solutions in the embodiments of the present application will be described clearly below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some, but not all, embodiments of the present application. All other embodiments, which can be derived from the embodiments in the present application by a person skilled in the art, are within the scope of protection of the present application.
The terms first, second and the like in the description and in the claims of the present application are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It will be appreciated that the data so used may be interchanged under appropriate circumstances such that embodiments of the application may be practiced in sequences other than those illustrated or described herein, and that the terms "first," "second," and the like are generally used herein in a generic sense and do not limit the number of terms, e.g., the first term can be one or more than one. In addition, "and/or" in the specification and claims means at least one of connected objects, a character "/" generally means that a preceding and succeeding related objects are in an "or" relationship.
The portable server provided by the embodiment of the present application is described in detail below with reference to the accompanying drawings by specific embodiments and application scenarios thereof.
Example 1:
as shown in fig. 1 and 2, an embodiment of the present application provides a manufacturing apparatus for a bottle cap, including: the injection molding machine comprises an injectionmolding machine body 100, wherein the injectionmolding machine body 100 is provided with arotatable mold base 110, and themold base 110 comprises afirst station 111, asecond station 112, athird station 113 and afourth station 114; the fixedupper die holder 120 is arranged on thefirst station 111, thesecond station 112, thethird station 113 and thefourth station 114; the fixed lower dieholder 130 is arranged on thefirst station 111, thesecond station 112, thethird station 113 and thefourth station 114; the firstmovable die 200 is arranged on the injectionmolding machine body 100, and the firstmovable die 200 corresponds to thefirst station 111; the secondmovable die 300 is arranged on the injectionmolding machine body 100, and the secondmovable die 300 corresponds to thethird station 113; and thedetection mechanism 400 is arranged on thefourth station 114, and thedetection mechanism 400 corresponds to the fixed lower dieholder 130.
Further, the method also comprises the following steps: afirst robot 500, thefirst robot 500 corresponding to thesecond station 112; a secondrobotic arm 600, the secondrobotic arm 600 corresponding to thefourth station 114.
The injection molding machine body 100 has high structural strength, the mold base 110 is rotatably mounted on the injection molding machine body 100, the mold base 110 is rectangular, four sides of the mold base 110 are respectively provided with a fixed upper mold base 120 and a fixed lower mold base 130, and four sides of the mold base 110 respectively correspond to a first station 111, a second station 112, a third station 113 and a fourth station 114, the mold base 110 is driven to rotate by the injection molding body, so that the fixed upper mold base 120 and the fixed lower mold base 130 can continuously move among the first station 111, the second station 112, the third station 113 and the fourth station 114, bottle caps are continuously manufactured, the first movable mold 200 is matched with the fixed upper mold base 120 and the fixed lower mold base 130 on the first station 111, a seal ring is injection molded on the fixed upper mold base 120 on the first station 111, then the mold base is rotated to the second station 112 for cooling, an upper cover is injection molded on the fixed upper mold base 120 on the third station 113 after the mold base is rotated to the third station 113, the lower cover is injection-molded on the fixed lower die holder 130, the lower cover is rotated to the fourth station 114 after injection molding is completed, the lower cover is taken down and assembled with the upper cover on the fourth station 114, the tightness between the upper cover and the lower cover is detected through the detection mechanism 400, so that the connection stability between the upper cover and the lower cover is determined, the machining precision of the anti-theft ring is ensured, the die carrier 110 is rotated after detection is completed, the assembled upper cover and the assembled lower cover are rotated to the first station 111 to injection-mold the anti-theft ring, the die carrier 110 is continuously rotated after injection molding is completed, and a finished bottle cover product is taken down on the second station 112.
The firstmechanical arm 500 corresponds to thesecond station 112, the secondmechanical arm 600 corresponds to thefourth station 114, the finished bottle cap product on thesecond station 112 is taken down from the fixedlower die base 130 through the firstmechanical arm 500, and the lower cap on the fixedupper die base 120 on thefourth station 114 is taken down and assembled with the upper cap on the fixedlower die base 130 through the secondmechanical arm 600, so that the automation performance of bottle cap production is improved.
Example 2:
as shown in fig. 2 and fig. 3, the embodiment of the present application provides a manufacturing apparatus of a bottle cap, in addition to the above technical features, further, the detectingmechanism 400 includes: thedetection seat 410, wherein thedetection seat 410 is installed on the injectionmolding machine body 100; themovable core 420 is movably connected with thedetection seat 410; themovable cavity 430, themovable cavity 430 is arranged on thedetection seat 410 and is matched with themovable core 420; themovable piston 421 is arranged in themovable cavity 430, and themovable piston 421 is connected with themovable core 420 in an installing way; ascrew 440, wherein thescrew 440 is in threaded connection with themovable piston 421; the output shaft of the drivingmotor 450 is connected with thescrew 440 in an installing way; wherein the movingpiston 421 forms a sealingspace 431 with one side of the movingchamber 430.
Further, thedetection mechanism 400 further includes: apush rod 460, thepush rod 460 being disposed in themovable chamber 430; the vent holes 422 are distributed on themovable core 420, thepush rod 460 is arranged at one end of thevent hole 422, and the other end of thevent hole 422 is communicated with the sealingspace 431; aroller 461, theroller 461 being mounted on thepush rod 460; the limitinggroove 411, the limitinggroove 411 corresponds to theroller 461, the limitinggroove 411 is arranged on the inner wall surface of themovable cavity 430; afirst pressure sensor 470, wherein thefirst pressure sensor 470 is arranged in thelimit slot 411.
Further, thedetection mechanism 400 further includes: thegas interface 700 is arranged on thedetection seat 410, thegas interface 700 is connected with the sealedspace 431, and the amount of gas in the sealedspace 431 is regulated through thegas interface 700.
The detection seat 410 is matched with the fixed lower die seat 130 on the fourth station 114, the detection seat 410 is driven to move by the injection molding machine body 100, so that the movable core 420 is matched with the lower cover, the detection seat 410 is abutted against a sealing ring, the connection sealing property between the detection seat 410 and the lower cover is ensured, the movable piston 421 is fixedly connected with the movable core 420, the driving motor 450 is installed with the screw rod 440, the screw rod 440 rotates after the driving motor 450 is started, the screw rod 440 is in threaded connection with the movable piston 421, the movable piston 421 moves along the axis of the screw rod 440 when the screw rod 440 rotates, the movable piston 421 moves reversely towards the sealed space 431, the volume of the sealed space 431 is reduced, the air pressure in the sealed space 431 is increased, the volume of the movable space formed between the movable cavity 430 and the bottle cap is increased, if the upper cover and the lower cover are connected and stably sealed, the air pressure in the space is reduced, if the upper cover and the lower cover are connected and unsealed or the threads on the upper cover and the lower cover are manufactured to have defects, the pressure in the space when the movable piston 421 moves is the same as the atmospheric pressure.
One end of the push rod 460 is connected with the sealing space 431 through the vent hole 422, the other end of the push rod 460 is connected with the space in the bottle cap, when the moving piston 421 moves, the space of the movable cavity 430 at two sides of the moving piston 421 changes, so that the acting force at two ends of the push rod 460 changes, the push rod 460 is pushed to move, if the connection between the upper cover and the lower cover is stable and sealed, the air pressure in the bottle cap decreases, the air pressure in the sealing space 431 increases, the push rod 460 is pushed to move outwards, the push rod 460 also moves along with the movable core 420, when the push rod 460 moves to the position of the limit groove 411, the first pressure sensor 470 acts to stop the driving motor 450, which indicates that the assembly sealing between the upper cover and the lower cover is realized, if the connection between the upper cover and the lower cover is unstable or the threads on the upper cover and the lower cover have defects, so that the sealing is not realized, when the moving piston 421 moves, the air pressure in the bottle cap does not change, and when the push rod 460 moves to the limit groove 411, the pressure on both sides of the push rod 460 causes the push rod 460 to have a limited pop-up distance, so that the push rod 460 does not act on the first pressure sensor 470, and the friction generated when the push rod 460 moves is reduced when the push rod 460 abuts against the movable chamber 430 through the roller 461.
The gas quantity in the sealedspace 431 is controlled through thegas interface 700, so that when thepush rod 460 is placed in the position of the limitinggroove 411, the gas pressure in the sealedspace 431 is controlled to be the same as the atmospheric pressure, the acting forces on the two sides of thepush rod 460 are the same, the stress is balanced, thepush rod 460 does not act on thefirst pressure sensor 470, and the situation that the connection between the upper cover and the lower cover is not sealed is determined.
Example 3:
as shown in fig. 4 and 5, in the present embodiment, in addition to the above technical features, thedetection mechanism 400 further includes: thebuffer members 490 are hinged to the bottoms of themovable cavities 430, and a plurality ofbuffer members 490 are arranged and uniformly distributed around the axis of themovable core 420; thebuffer groove 412, thebuffer groove 412 is arranged at the bottom of themovable cavity 430, and thebuffer groove 412 is matched with thebuffer member 490; abuffer spring 491, which is disposed at one end of thebuffer member 490, and thebuffer spring 491 is disposed between thebuffer member 490 and thebuffer groove 412; and asecond pressure sensor 480, wherein thesecond pressure sensor 480 is installed on themovable piston 421, and thesecond pressure sensor 480 corresponds to the other end of thebuffer member 490.
Thebuffer 490 is hinged to the bottom of themovable chamber 430 and is adapted to thebuffer groove 412, thebuffer spring 491 is disposed between thebuffer 490 and thebuffer groove 412, when the bottle cap is not sealed, thepush rod 460 moves to thelimit groove 411 without acting on thefirst pressure sensor 470, the drivingmotor 450 does not stop working, thescrew 440 continuously rotates to move themovable piston 421 towards the bottom of themovable chamber 430, when thebuffer 490 abuts against thesecond pressure sensor 480 on themovable piston 421, the drivingmotor 450 stops driving, thebuffer 490 deforms the spring under the action of themovable piston 421, absorbs part of kinetic energy of themovable piston 421, improves the stability of themovable piston 421, and prevents themovable piston 421 from colliding with the bottom of themovable chamber 430.
Example 3:
the embodiment of the application also provides a manufacturing process of manufacturing equipment of the bottle cap, which comprises the following steps: s1: the sealing ring is injection molded, the sealing ring of the bottle cap is injection molded through the fixedupper die holder 120 of thefirst station 111, and after injection molding is finished, the firstmovable die 200 is opened, so that thedie holder 110 rotates by 90 degrees, and the sealing ring is fully cooled at thesecond station 112;
s2: injecting an upper cover and a lower cover to enable themold frame 110 to continuously rotate for 90 degrees, injecting the lower cover into the fixedupper mold base 120 on thethird station 113, injecting the upper cover into the fixedlower mold base 130, and opening the secondmovable mold 300 after injection molding is finished to enable themold frame 110 to continuously rotate for 90 degrees;
s3: assembling the upper cover and the lower cover, taking down the lower cover on the fixedupper die holder 120 through the secondmechanical arm 600 at thefourth station 114, assembling the lower cover with the upper cover on the fixed lower dieholder 130, detecting the assembly tightness of the upper cover and the lower cover through thedetection mechanism 400 after the assembly is finished, and continuously rotating thedie carrier 110 for 90 degrees after the detection is finished;
s4: the anti-theft ring is injection-molded on the fixed lower dieholder 130 on thefirst station 111, and after injection molding is finished, the firstmovable die 200 is opened to enable thedie holder 110 to rotate for 90 degrees;
s5: blanking, and removing the finished product by thefirst robot 500 at thesecond station 112.
Further, the detecting step of the detectingmechanism 400 includes: t1: adjusting before detection, connecting thegas interface 700 with a gas source, driving thescrew 440 to rotate through the drivingmotor 450, moving themovable piston 421, enabling the gas pressure in the sealedspace 431 to act on thepush rod 460 to enable theroller 461 to abut against the inner wall surface of themovable cavity 430, stopping moving themovable piston 421 when thepush rod 460 moves to the limitinggroove 411, opening thegas interface 700 to enable the gas pressure in the sealedspace 431 to be the same as the atmospheric pressure, then closing thegas interface 700, and driving the drivingmotor 450 to reset themovable core 420;
t2: when the detection is started, themovable detection seat 410 enables themovable core 420 to be matched with the lower cover, the drivingmotor 450 is driven to enable thescrew rod 440 to rotate so as to drive themovable piston 421 to move, if the upper cover and the lower cover are sealed, the air pressure in the sealedspace 431 is increased, thepush rod 460 is pushed out, when thepush rod 460 moves to the limitinggroove 411, the air pressure in the sealedspace 431 is larger than the air pressure in the bottle cap, theroller 461 props against thefirst pressure sensor 470, the drivingmotor 450 stops driving, when the upper cover and the lower cover are not sealed, themovable core 420 moves, the air pressure in the bottle cap is the same as the atmospheric pressure, when thepush rod 460 is located in the limitinggroove 411, the pressures on the two sides of thepush rod 460 are the same, theroller 461 does not interact with thefirst pressure sensor 470, themovable piston 421 continues to move, and when thesecond pressure sensor 480 on themovable piston 421 props against thefirst pressure sensor 490, themovable piston 450 stops driving;
t3: and alarm feedback, wherein when thesecond pressure sensor 480 detects a signal, the signal indicates that the upper cover and the lower cover are not sealed, the operation of the injectionmolding machine body 100 is stopped, and an alarm is given.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element. Further, it should be noted that the scope of the methods and apparatus of the embodiments of the present application is not limited to performing the functions in the order illustrated or discussed, but may include performing the functions in a substantially simultaneous manner or in a reverse order based on the functions involved, e.g., the methods described may be performed in an order different than that described, and various steps may be added, omitted, or combined. In addition, features described with reference to certain examples may be combined in other examples.
While the present embodiments have been described with reference to the accompanying drawings, it is to be understood that the present embodiments are not limited to those precise embodiments, which are intended to be illustrative rather than restrictive, and that various changes and modifications may be effected therein by one skilled in the art without departing from the scope of the appended claims.