CN111298247B - Medical syringe is with back batch processing apparatus - Google Patents

Abstract

The invention belongs to the technical field of medical waste treatment, and particularly relates to a post-batch treatment instrument for a medical injector, which comprises a circular base, wherein a first accommodating cavity is arranged on the base, a cylinder is arranged on the side wall of the first accommodating cavity, and a second accommodating cavity is arranged at the top of the cylinder; the top surface of the base is provided with an opening and a supporting plate; an annular limiting groove and a feeding port are formed in the supporting plate; the upper surface of the base is rotatably provided with a mounting ring, the mounting ring is rotatably provided with a sleeve, the inner side wall of the first accommodating cavity is fixedly connected with a primary destroying mechanism through a horizontal connecting plate, and the top of the primary destroying mechanism is vertically and fixedly provided with a screw rod; a secondary destroying mechanism is arranged in the second accommodating cavity; the upper surface of the supporting plate is vertically and fixedly provided with a motor, and an output shaft of the motor is connected with a preliminary destroying mechanism. The invention solves the problems of large manpower consumption, high operation difficulty and low working efficiency existing in the manual post-treatment of medical injectors by medical workers at present.

Description

Medical syringe is with back batch processing apparatus

Technical Field

The invention belongs to the technical field of medical waste treatment, and particularly relates to a post-batch treatment instrument for a medical injector.

Background

Medical wastes belong to dangerous wastes, and disposable medical wastes used in hospitals and clinics are disinfected and destroyed on the spot according to regulations and then are transported to a designated place in a centralized manner to be destroyed, so that the medical wastes cannot be reused. The used medical syringes are common medical wastes, and most hospitals adopt a distributed treatment method at present, namely, a collection barrel is arranged in a treatment room of each nursing unit, a proper disinfectant is prepared, medical staff puts the used medical syringes into the collection barrel to soak and disinfect, and then manually destroys the syringes, and the purpose of disinfection is to prevent residual liquid medicine in the syringes from damaging the skin of operators, and the destroyed syringes are intensively sent to a waste disposal site to be destroyed. This method has the following problems: (1) the medical staff manually destroys the sterilized syringe, which consumes large manpower, has high operation difficulty and low working efficiency; (2) the surface and the interior of the injector soaked by the disinfectant can remain part of the disinfectant, and as the injector is hard and brittle, the disinfectant can splash to the skin or eyes of medical staff when the medical staff destroys the injector manually, causing serious injury, and the broken fragments generated by the injector can also splash everywhere to scratch the skin of the medical staff.

Disclosure of Invention

Technical problem to be solved

The invention provides a post-batch treatment apparatus for a medical injector, and aims to solve the following problems in the prior post-treatment of the medical injector: (1) the medical staff manually destroys the sterilized syringe, which consumes large manpower, has high operation difficulty and low working efficiency; (2) the surface and the interior of the injector soaked by the disinfectant can remain part of the disinfectant, and as the injector is hard and brittle, the disinfectant can splash to the skin or eyes of medical staff when the medical staff destroys the injector manually, causing serious injury, and the broken fragments generated by the injector can also splash everywhere to scratch the skin of the medical staff.

(II) technical scheme

In order to solve the technical problems, the invention adopts the following technical scheme:

the utility model provides a medical syringe is with back batch processing apparatus, includes circular base, and the vertical fixed mounting in base upper surface has open-top's cylindrical first chamber that holds, and the first lateral wall that holds the chamber is inside to have a plurality of cylinder along the even vertical fixed mounting in its circumference, and the cylinder top holds the chamber through adapter sleeve fixed mounting have the bottom opening and with the first second that holds the chamber and match each other. Drive the second through the cylinder and hold the chamber and reciprocate to make first chamber top surface and the second of holding hold chamber bottom surface laminating or separation.

The inside hollow waste material chamber that forms of base, the circular shape opening has been seted up to the base top surface, and there is the circular backup pad coaxial and upper surface and base top surface parallel and level with the opening through support fixed mounting in the waste material chamber. The upper surface of the supporting plate is provided with an annular limiting groove coaxial with the supporting plate, and the supporting plate is uniformly provided with a plurality of feeding ports along the circumferential direction of the supporting plate. The mounting ring is rotatably mounted on the upper surface of the base and is matched with the opening edge and the limiting groove, the cylindrical sleeve is vertically rotatably mounted on the upper surface of the mounting ring, the inner diameter of the sleeve is the same as the outer diameter of the injector, and the top of the sleeve is outwards flanged to form a horizontal supporting platform. The mounting ring is provided with a through hole matched with the feeding port at the position corresponding to the sleeve. The bottom of the mounting ring is fixedly provided with a bevel gear ring coaxial with the mounting ring, and a bevel gear meshed with the bevel gear ring is rotatably arranged in the base. The base is externally fixedly provided with a rotating motor through a motor base, and an output shaft of the rotating motor is connected with a bevel gear. After the medical staff uses the syringe, the needle head is pulled down and the injection port of the syringe is inserted downwards into the sleeve. After the injector is destroyed and finished, the bevel gear is driven to rotate through the rotating motor, so that the bevel gear ring and the mounting ring are driven to rotate, the feed inlet and the through hole are communicated, the inside of the sleeve is communicated with the waste cavity inside the base, and the injector fragments in the sleeve fall into the waste cavity to be conveniently and intensively recycled.

The inner side wall of the first accommodating cavity is fixedly connected with a primary destroying mechanism through a horizontal connecting plate. And a screw rod is vertically and fixedly arranged at the top of the primary destroying mechanism. The second accommodating cavity is internally provided with a secondary destroying mechanism. The upper surface of the supporting plate is vertically and fixedly provided with a motor, and an output shaft of the motor is connected with a preliminary destroying mechanism. The primary destroying mechanism is used for cutting off the piston handle at the top of the piston rod, so that the piston rod is destroyed on one hand, and the normal work of the secondary destroying mechanism is ensured on the other hand. The secondary destroying mechanism is used for cutting and destroying the syringe and the piston rod of the syringe into strip-shaped fragments.

As a preferred technical scheme of the invention, the primary destroying mechanism comprises an installation cavity, a guide plate, a telescopic rod, a cutting blade, a roller, a guide disc, a stop block and a return spring, wherein the installation cavity is fixedly connected with a connecting plate. The installation cavity is cylindrical and coaxial with the first chamber that holds, has seted up the through-hole the same with pan feeding mouth number on the installation cavity lateral wall, and the inside position that corresponds the through-hole of installation cavity lateral wall has the deflector along the radial horizontal fixed mounting of installation cavity, and slidable mounting has the telescopic link on through-hole and the deflector. The outer end of the telescopic rod is horizontally and fixedly provided with a cutting blade with the edge in a circular arc shape, and the inner end of the telescopic rod is hinged with a horizontal roller. The motor output shaft runs through installation cavity bottom and fixedly connected with horizontal guiding disc, and the guiding disc edge is wavy and with gyro wheel normal running fit. The telescopic rod is provided with a stop block, and a return spring is arranged between the stop block and the end part of the guide plate. The primary destroying mechanism works as follows: the horizontal guide disc is driven to rotate through the motor output shaft, the idler wheels rotate in the rotation process of the horizontal guide disc, the idler wheels firstly push the telescopic rods and the cutting blades to move outwards in the rolling process of the wave edges of the horizontal guide disc, the piston handle of the injector is cut, and meanwhile, the reset spring is compressed. When the roller wheel reaches the edge of the horizontal guide disc and is away from the maximum position of the horizontal guide disc, the roller wheel continues to rotate, and the stop block, the telescopic rod and the cutting blade are pushed to move inwards to return to the initial position through the elastic force of the reset spring.

As a preferred technical scheme of the present invention, a first driving gear is horizontally and fixedly mounted on the output shaft of the motor below the mounting cavity, and a first driven gear engaged with the first driving gear is horizontally and fixedly mounted on the outer side wall of the sleeve. When the motor output shaft rotates to drive the cutting blade to cut the piston handle, the first driving gear rotates along with the motor output shaft and drives the first driven gear to rotate, and then the sleeve and the injector are driven to rotate. The piston handle of the syringe and the cutting blade generate a rotary cutting effect.

As a preferred technical scheme of the invention, the secondary destroying mechanism comprises a circular mounting plate, a rotating shaft, a second driven gear, a cutting mechanism, a limiting cylinder and a second driving gear. The mounting panel horizontal fixed mounting holds on the intracavity lateral wall at the second, installs the pivot the same with pan feeding mouth number along its vertical rotation in circumference on the mounting panel, and the horizontal fixed mounting in pivot top has the second driven gear, and cutting mechanism is installed to the bottom. The second holds chamber top bottom surface fixed mounting has a columniform spacing section of thick bamboo, and spacing bobbin base portion rotates installs with second driven gear intermeshing and with the coaxial second driving gear of mounting panel. The screw rod penetrates through the middle of the mounting plate and is in running fit with the second driving gear. When the cylinder drives the second accommodating cavity to move downwards, the screw rod and the second driving gear rotate relatively, the second driving gear moves downwards along with the second accommodating cavity under the limiting effect of the limiting cylinder and rotates, and meanwhile, the second driven gear and the rotating shaft are driven to rotate. The cutting mechanism at the bottom of the rotating shaft rotates and cuts the syringe cylinder and the piston rod from top to bottom.

As a preferred technical scheme of the invention, the cutting mechanism comprises four connecting rods, a cutting sheet, a supporting sheet and a pressing spring, the connecting rods are uniformly arranged on the bottom surface of the rotating shaft, and the top of each connecting rod is in rotating fit with the bottom surface of the rotating shaft. The connecting rod bottom has the cutting piece through ball hinge mounting, and the outward flange of cutting piece is convex, and the inward flange is the closed angle form. The inner side of the connecting rod is fixedly provided with a supporting sheet, and a pressing spring is arranged between the top of the supporting sheet and the bottom surface of the rotating shaft. The cutting mechanism moves downwards and rotates, the supporting sheet and the connecting rod are pushed outwards by the pressing spring, the outer edge of the cutting sheet is enabled to be abutted against the inner side wall of the needle cylinder, and the needle cylinder is rotatably cut from inside to outside in the rotating process of the cutting sheet. The cross section of the syringe piston rod is cross-shaped, and in the rotating process of the cutting blade, the inner edge of the cutting blade is abutted against the cross-shaped edge of the piston rod, and the piston rod is subjected to rotary cutting. The needle cylinder and the piston rod are cut by the cutting mechanism to generate strip-shaped fragments, and the strip-shaped fragments automatically fall onto the upper surface of the supporting plate at the bottom of the sleeve. The top of the syringe is always placed on a horizontal tray table at the top of the sleeve, and after the syringe is destroyed, the syringe on the tray table is taken down.

As a preferable technical scheme of the invention, annular heating wires are uniformly arranged at the position, below the top of the sleeve, of the inner surface of the side wall of the first accommodating cavity, and a water outlet controlled by a valve is formed in the side wall of the first accommodating cavity. Before destroying the syringe, earlier to first holding intracavity water injection, heat water through the heater wire, water is heated the back and gives the sleeve with the heat transfer, and then gives the syringe, and the syringe is heated the back and is softened.

As a preferable technical scheme of the invention, an annular material receiving baffle is fixedly arranged on the outer side wall of the sleeve above the first driven gear, and the material receiving baffle is used for receiving the piston handle cut by the primary destroying mechanism, so that the piston handle is prevented from falling into the bottom of the first accommodating cavity, and the collection of the destroyed waste materials is facilitated.

(III) advantageous effects

The invention has at least the following beneficial effects:

(1) the post-batch treatment instrument for the medical injector provided by the invention destroys the piston handle at the top of the piston rod of the injector through the primary destroying mechanism and destroys the injection needle cylinder and the piston rod through the secondary destroying mechanism, the whole destroying process is automatically completed without manual participation, and the problems of large manpower consumption, high operation difficulty and low working efficiency existing in the process of manually carrying out post-treatment on the medical injector by medical staff at present are solved.

(2) The post-batch treatment device for the medical injector provided by the invention can be used for keeping the injector in a closed environment in the process of destroying the injector, so that the condition that broken fragments generated by the injector are splashed everywhere to hurt medical staff is avoided. The injector is heated before being destroyed, so that the injector is heated uniformly and then softened, the broken fragments of the injector are prevented from splashing, and the device is protected.

(3) In the post-batch processing instrument for the medical injector, the cutting blade is fed forwards in the process of destroying the piston handle at the top of the piston rod of the injector, and the injector rotates along with the sleeve, so that the friction force between the cutting blade and the piston handle is increased, the cutting effect of the cutting blade is improved, and the situation of insufficient cutting is avoided.

Drawings

The invention is further illustrated with reference to the following figures and examples.

Fig. 1 is a schematic perspective view of a preliminary destruction mechanism of a post-batch processing apparatus for a medical injector according to an embodiment of the present invention;

FIG. 2 is a top view of the internal structure of a post-batching apparatus primary destruction mechanism for a medical injector according to an embodiment of the present invention;

fig. 3 is a schematic perspective view of a base of a post-batching apparatus for a medical injector according to an embodiment of the present invention;

fig. 4 is a schematic perspective view of a secondary destroying mechanism of a post-batch processing apparatus for a medical injector according to an embodiment of the invention;

FIG. 5 is an enlarged view of a post-batching apparatus A for medical syringes according to an embodiment of the present invention;

fig. 6 is a schematic internal structural view of a secondary destroying mechanism of a post-batch processing apparatus for a medical injector according to an embodiment of the present invention;

fig. 7 is a schematic view of the internal structure of a base in a post-batching processing apparatus for a medical injector according to an embodiment of the present invention.

In the figure: 1-base, 2-first containing cavity, 3-cylinder, 4-second containing cavity, 5-opening, 6-support plate, 7-limit groove, 8-feeding port, 9-mounting ring, 10-sleeve, 11-through hole, 12-bevel gear ring, 13-bevel gear, 14-rotating motor, 15-connecting plate, 16-primary destroying mechanism, 161-mounting cavity, 162-guide plate, 163-telescopic rod, 164-cutting blade, 165-roller, 166-guide disc, 167-stop block, 168-reset spring, 17-lead screw, 18-secondary destroying mechanism, 181-mounting plate, 182-rotating shaft, 183-second driven gear, 184-cutting mechanism, 1841-connecting rod, 1842-cutting piece, 1843 supporting sheet, 1844 pressing spring, 185 limiting cylinder, 186 second driving gear, 19 first driving gear, 20 first driven gear, 21 heating wire, 22 water outlet, 23 material receiving baffle.

Detailed Description

The embodiments of the invention will be described in detail below with reference to the drawings, but the invention can be implemented in many different ways as defined and covered by the claims.

As shown in fig. 1 to 7, the present embodiment provides a back batch processing apparatus for a medical injector, which includes acircular base 1, a cylindrical firstaccommodating cavity 2 with an open top is vertically and fixedly installed on the upper surface of thebase 1, a plurality of cylinders 3 are uniformly and vertically and fixedly installed inside the side wall of the firstaccommodating cavity 2 along the circumferential direction of the first accommodating cavity, and a secondaccommodating cavity 4 which is provided with an open bottom and is matched with the firstaccommodating cavity 2 is fixedly installed at the top of each cylinder 3 through a connecting sleeve. Drive the second through cylinder 3 and holdchamber 4 and reciprocate to make first 2 top surfaces of holding chamber and thesecond hold chamber 4 bottom surface laminating or separation of holding.

The inside hollow waste material chamber that forms ofbase 1, circular shape opening 5 has been seted up tobase 1 top surface, and there iscircular backup pad 6 coaxial and upper surface andbase 1 top surface parallel and level withopening 5 through support fixed mounting in the waste material chamber. An annular limitinggroove 7 coaxial with the supporting plate is formed in the upper surface of the supportingplate 6, and a plurality of feedingports 8 are uniformly formed in the supportingplate 6 along the circumferential direction of the supporting plate. The installingring 9 mutually matched with the edge of theopening 5 and the limitinggroove 7 is installed on the upper surface of thebase 1 in a rotating mode, thecylindrical sleeve 10 is installed on the upper surface of the installingring 9 in a vertical rotating mode, the inner diameter of thesleeve 10 is the same as the outer diameter of the injector, and the top of thesleeve 10 is outwards flanged to form a horizontal supporting platform. The mountingring 9 is provided with a throughhole 11 corresponding to thesleeve 10 and matched with the feedingport 8. The bottom of the mountingring 9 is fixedly provided with abevel gear ring 12 coaxial with the mounting ring, and abevel gear 13 meshed with thebevel gear ring 12 is rotatably arranged in thebase 1. The external of thebase 1 is fixedly provided with arotating motor 14 through a motor base, and an output shaft of therotating motor 14 is connected with abevel gear 13. After the syringe has been used, the medical professional pulls the needle and inserts the syringe with its injection port down into thesleeve 10. After the injector is destroyed, therotating motor 14 drives thebevel gear 13 to rotate, so as to drive thebevel gear ring 12 and the mountingring 9 to rotate, thereby realizing the communication between the feedingport 8 and the throughhole 11, further realizing the communication between the inside of thesleeve 10 and the waste cavity inside thebase 1, and the injector fragments in thesleeve 10 fall into the waste cavity to be convenient for concentrated recovery.

The inner side wall of the firstaccommodating cavity 2 is fixedly connected with aprimary destroying mechanism 16 through a horizontal connectingplate 15. The top of theprimary destroying mechanism 16 is vertically and fixedly provided with ascrew rod 17. The second containingcavity 4 is internally provided with asecondary destroying mechanism 18. The upper surface of the supportingplate 6 is vertically and fixedly provided with a motor, and the output shaft of the motor is connected with apreliminary destroying mechanism 16. Theprimary destroying mechanism 16 is used for cutting off the piston handle at the top of the piston rod, so that the piston rod is destroyed on one hand, and the normal work of thesecondary destroying mechanism 18 is ensured on the other hand. Thesecondary destroying mechanism 18 is used for cutting and destroying the syringe barrel and the piston rod to form strip-shaped fragments.

In this embodiment, thepreliminary destruction mechanism 16 includes a mountingcavity 161 fixedly connected to the connectingplate 15, aguide plate 162, atelescopic rod 163, acutting blade 164, aroller 165, aguide plate 166, astopper 167, and areturn spring 168. Theinstallation cavity 161 is cylindrical and coaxial with thefirst chamber 2 that holds, has seted up the through-hole the same with 8 numbers of pan feeding mouths on theinstallation cavity 161 lateral wall, and the inside position that corresponds the through-hole ofinstallation cavity 161 lateral wall hasdeflector 162 along the radial level fixed mounting ofinstallation cavity 161, and slidable mounting hastelescopic link 163 on through-hole and thedeflector 162. The outer end of thetelescopic rod 163 is horizontally and fixedly provided with acutting blade 164 with an arc edge, and the inner end is hinged with ahorizontal roller 165. The output shaft of the motor penetrates through the bottom of the mountingcavity 161 and is fixedly connected with ahorizontal guide disc 166, and the edge of theguide disc 166 is wavy and is in running fit with theroller 165. Astop 167 is mounted on thetelescopic rod 163, and areturn spring 168 is mounted between thestop 167 and the end of theguide plate 162. The operation ofprimary destruction mechanism 16 is as follows: thehorizontal guide disc 166 is driven to rotate through the output shaft of the motor, theroller 165 rotates in the rotating process of thehorizontal guide disc 166, theroller 165 pushes thetelescopic rod 163 and thecutting blade 164 to move outwards in the rolling process of the wave edge of thehorizontal guide disc 166, the piston handle of the injector is cut, and meanwhile thereset spring 168 is compressed. When theroller 165 continues to rotate after reaching the maximum position of thehorizontal guide plate 166 from the edge of thehorizontal guide plate 166, thestopper 167, thetelescopic bar 163 and thecutting blade 164 are pushed to move inward to the initial position by the elastic force of thereturn spring 168.

In this embodiment, afirst driving gear 19 is horizontally and fixedly mounted on the output shaft of the motor below the mountingcavity 161, and a first drivengear 20 engaged with thefirst driving gear 19 is horizontally and fixedly mounted on the outer side wall of thesleeve 10. When the motor output shaft rotates to drive thecutting blade 164 to cut the piston handle, thefirst driving gear 19 rotates along with the motor output shaft and drives the first drivengear 20 to rotate, so as to drive thesleeve 10 and the injector to rotate. A rotary cutting effect is created between the plunger shaft of the syringe and thecutting blade 164.

In this embodiment, thesecondary destroying mechanism 18 includes acircular mounting plate 181, arotating shaft 182, a second drivengear 183, acutting mechanism 184, a limitingcylinder 185, and asecond driving gear 186. The horizontal fixed mounting of mountingpanel 181 is on the second holds 4 inside walls of chamber, installs thepivot 182 the same with 8 numbers of pan feeding mouths along its vertical rotation in circumference on the mountingpanel 181, and the horizontal fixed mounting inpivot 182 top has second drivengear 183, andcutting mechanism 184 is installed to the bottom. A cylindrical limitingcylinder 185 is fixedly mounted on the bottom surface of the top of the secondaccommodating cavity 4, and asecond driving gear 186 which is meshed with the second drivengear 183 and coaxial with the mountingplate 181 is rotatably mounted at the bottom of the limitingcylinder 185. Thescrew rod 17 penetrates through the middle of the mountingplate 181 and is in rotating fit with thesecond driving gear 186. When the cylinder 3 drives the secondaccommodating cavity 4 to move downwards, thescrew rod 17 and thesecond driving gear 186 rotate relatively, and thesecond driving gear 186 moves downwards and rotates along with the secondaccommodating cavity 4 under the limiting action of the limitingcylinder 185, and drives the second drivengear 183 and therotating shaft 182 to rotate. Thecutting mechanism 184 at the bottom of therotating shaft 182 performs rotary cutting on the syringe barrel and the piston rod from top to bottom.

In this embodiment, thecutting mechanism 184 includes four connectingrods 1841, cuttingblades 1842, supportingblades 1843 and apressing spring 1844, the connectingrods 1841 are uniformly mounted on the bottom surface of therotating shaft 182, and the top of the connectingrods 1841 is rotatably engaged with the bottom surface of therotating shaft 182. The bottom of the connectingrod 1841 is provided with acutting blade 1842 through a ball hinge, the outer edge of thecutting blade 1842 is arc-shaped, and the inner edge is sharp-horn-shaped. Asupport piece 1843 is fixedly arranged on the inner side of the connectingrod 1841, and apressing spring 1844 is arranged between the top of thesupport piece 1843 and the bottom surface of therotating shaft 182. During the downward movement and rotation of thecutting mechanism 184, thesupport plate 1843 and the connectingrod 1841 are pushed outwards by thepressing spring 1844, the outer edge of thecutting blade 1842 is abutted against the inner side wall of the syringe, and the inside-out rotary cutting of the syringe is performed during the rotation of thecutting blade 1842. The cross section of the syringe piston rod is cross-shaped, and in the rotating process of thecutting blade 1842, the inner edge of the cutting blade is abutted against the cross-shaped edge of the piston rod, and the piston rod is subjected to rotary cutting. The needle cylinder and the piston rod are cut in a rotary manner by thecutting mechanism 184 to produce strip-shaped fragments, and the strip-shaped fragments automatically fall onto the upper surface of the supportingplate 6 at the bottom of thesleeve 10. The top of the syringe is always placed on a horizontal tray at the top of thesleeve 10, and after the syringe is destroyed, the syringe on the tray is taken down.

In this embodiment, the position of the inner surface of the sidewall of the firstaccommodating cavity 2 below the top of thesleeve 10 is uniformly provided with anannular heating wire 21, and the sidewall of the firstaccommodating cavity 2 is provided with awater outlet 22 controlled by a valve. Before destroying the syringe, earlier to first holding 2 interior water injections, heat water throughheater strip 21,heat transfer sleeve 10 with heat behind the water heating, and then transmit for the syringe, the syringe softens after being heated.

In this embodiment, an annular material receiving baffle 23 is fixedly installed on the outer side wall of thesleeve 10 above the first drivengear 20, and the material receiving baffle 23 is used for receiving a piston handle cut by theprimary destroying mechanism 16, so as to prevent the piston handle from falling into the bottom of the firstaccommodating cavity 2, and facilitate collection of the destroyed waste material.

The working process of the embodiment is as follows: after the medical staff uses the syringe, the needle is pulled out and the injection port of the syringe is inserted downwards into thesleeve 10, and after the syringe is inserted into all thesleeves 10, the syringe is destroyed. Water is injected into the firstaccommodating cavity 2, and the water is heated by theheating wire 21 to soften the injector. Thepreliminary destroying mechanism 16 is driven by the output shaft of the motor to cut the piston handle of the injector; bringing thesleeve 10 and the syringe into rotation. The effect of the rotary cut is created between the plunger shaft of the syringe and theprimary destruction mechanism 16. The cylinder 3 drives the second containingcavity 4 to move downwards, so as to drive thesecondary destroying mechanism 18 to rotationally cut the syringe cylinder and the piston rod from top to bottom. The syringe and the piston rod are cut in a rotary mode by thecutting mechanism 184 to generate strip-shaped fragments, and the strip-shaped fragments automatically fall onto the upper surface of the supportingplate 6 at the bottom of thesleeve 10 to destroy the syringe.Drive bevel gear 13 through rotatingelectrical machines 14 and rotate to drivebevel gear ring 12 andcollar 9 and rotate, thereby realizepan feeding mouth 8 and through-hole 11's intercommunication, and then realize the inside intercommunication with the inside waste material chamber ofbase 1 ofsleeve 10, the syringe piece in thesleeve 10 passes through-hole 11 and pan feedingmouth 8 in proper order under the promotion ofsleeve 10 lateral wall, falls into waste material chamber and concentrates the recovery.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (4)

1. The utility model provides a medical syringe is with back batch processing apparatus which characterized in that: the rear batch processing apparatus for the medical injector comprises a circular base (1), wherein a cylindrical first accommodating cavity (2) with an opening at the top is vertically and fixedly arranged on the upper surface of the base (1), a plurality of air cylinders (3) are uniformly and vertically and fixedly arranged in the side wall of the first accommodating cavity (2) along the circumferential direction, and the tops of the air cylinders (3) are fixedly provided with second accommodating cavities (4) with openings at the bottoms and matched with the first accommodating cavities (2) through connecting sleeves;

a hollow waste material cavity is formed in the base (1), a round opening (5) is formed in the top surface of the base (1), and a round supporting plate (6) which is coaxial with the opening (5) and has an upper surface flush with the top surface of the base (1) is fixedly installed in the waste material cavity through a support; the upper surface of the supporting plate (6) is provided with an annular limiting groove (7) coaxial with the supporting plate, and the supporting plate (6) is uniformly provided with a plurality of feeding ports (8) along the circumferential direction; the upper surface of the base (1) is rotatably provided with a mounting ring (9) which is matched with the edge of the opening (5) and the limiting groove (7), the upper surface of the mounting ring (9) is vertically and rotatably provided with a cylindrical sleeve (10), the inner diameter of the sleeve (10) is the same as the outer diameter of the injector, and the top of the sleeve (10) is flanged outwards to form a horizontal saddle; a through hole (11) matched with the feeding port (8) is formed in the position, corresponding to the sleeve (10), on the mounting ring (9); a bevel gear ring (12) coaxial with the mounting ring is fixedly mounted at the bottom of the mounting ring (9), and a bevel gear (13) meshed with the bevel gear ring (12) is rotatably mounted in the base (1); a rotating motor (14) is fixedly arranged outside the base (1) through a motor base, and an output shaft of the rotating motor (14) is connected with a bevel gear (13);

the inner side wall of the first accommodating cavity (2) is fixedly connected with a primary destroying mechanism (16) through a horizontal connecting plate (15), and the top of the primary destroying mechanism (16) is vertically and fixedly provided with a screw rod (17); a secondary destroying mechanism (18) is arranged in the second accommodating cavity (4); a motor is vertically and fixedly arranged on the upper surface of the supporting plate (6), and an output shaft of the motor is connected with a primary destroying mechanism (16);

the primary destroying mechanism (16) comprises an installation cavity (161) fixedly connected with the connecting plate (15), a guide plate (162), an expansion rod (163), a cutting blade (164), a roller (165), a guide disc (166), a stop block (167) and a return spring (168); the mounting cavity (161) is cylindrical and coaxial with the first accommodating cavity (2), through holes with the same number as the feeding ports (8) are formed in the side wall of the mounting cavity (161), a guide plate (162) is horizontally and fixedly mounted in the position, corresponding to the through holes, in the side wall of the mounting cavity (161) along the radial direction of the mounting cavity (161), and a telescopic rod (163) is slidably mounted on the through holes and the guide plate (162); a cutting blade (164) with an arc-shaped edge is horizontally and fixedly installed at the outer end of the telescopic rod (163), and a horizontal roller (165) is hinged to the inner end of the telescopic rod (163); the output shaft of the motor penetrates through the bottom of the mounting cavity (161) and is fixedly connected with a horizontal guide disc (166), and the edge of the guide disc (166) is wavy and is in running fit with the roller (165); a stop block (167) is arranged on the telescopic rod (163), and a return spring (168) is arranged between the stop block (167) and the end part of the guide plate (162);

the secondary destroying mechanism (18) comprises a circular mounting plate (181), a rotating shaft (182), a second driven gear (183), a cutting mechanism (184), a limiting cylinder (185) and a second driving gear (186); the mounting plate (181) is horizontally and fixedly mounted on the inner side wall of the second accommodating cavity (4), rotating shafts (182) with the same number as the feeding ports (8) are vertically and rotatably mounted on the mounting plate (181) along the circumferential direction of the mounting plate, a second driven gear (183) is horizontally and fixedly mounted at the top of each rotating shaft (182), and a cutting mechanism (184) is mounted at the bottom of each rotating shaft; a cylindrical limiting cylinder (185) is fixedly arranged on the bottom surface of the top of the second accommodating cavity (4), and a second driving gear (186) which is meshed with the second driven gear (183) and coaxial with the mounting plate (181) is rotatably arranged at the bottom of the limiting cylinder (185); the screw rod (17) penetrates through the middle part of the mounting plate (181) and is in rotating fit with the second driving gear (186);

the cutting mechanism (184) comprises four connecting rods (1841), cutting sheets (1842), supporting sheets (1843) and a pressing spring (1844), wherein the connecting rods (1841) are uniformly arranged on the bottom surface of the rotating shaft (182), and the top of each connecting rod (1841) is in rotating fit with the bottom surface of the rotating shaft (182); the bottom of the connecting rod (1841) is provided with a cutting blade (1842) through a ball hinge, the outer edge of the cutting blade (1842) is arc-shaped, and the inner edge is sharp-horn-shaped; a support sheet (1843) is fixedly arranged on the inner side of the connecting rod (1841), and a pressing spring (1844) is arranged between the top of the support sheet (1843) and the bottom surface of the rotating shaft (182).

2. The device for batch processing of medical syringes according to claim 1, wherein: a first driving gear (19) is horizontally and fixedly mounted at a position below the mounting cavity (161) on the output shaft of the motor, and a first driven gear (20) meshed with the first driving gear (19) is horizontally and fixedly mounted on the outer side wall of the sleeve (10).

3. The device for batch processing of medical syringes according to claim 1, wherein: the inner surface of the side wall of the first accommodating cavity (2) is uniformly provided with an annular heating wire (21) at a position below the top of the sleeve (10), and the side wall of the first accommodating cavity (2) is provided with a water outlet (22) controlled by a valve.

4. The apparatus for batch processing of medical syringes according to claim 2, wherein: an annular material receiving baffle (23) is fixedly arranged on the outer side wall of the sleeve (10) above the first driven gear (20).

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