CN115154304B

CN115154304B - Automatic medicine charging machine and method for vaccine injection

Info

Publication number: CN115154304B
Application number: CN202211077419.8A
Authority: CN
Inventors: 李艳伟
Original assignee: Yantai Kaibo Automation Technologies Co ltd
Current assignee: Yantai Kaibo Automation Technologies Co ltd
Priority date: 2022-09-05
Filing date: 2022-09-05
Publication date: 2022-11-22
Anticipated expiration: 2042-09-05
Also published as: CN115154304A

Abstract

The invention provides an automatic medicine filling machine for vaccine injection and a method thereof, wherein the automatic medicine filling machine comprises a box body, and a storage and transportation device for injection bottles, a storage and transportation device for injectors and an automatic liquid pumping device for injectors are arranged in the box body; the injection bottle storage and transportation device comprises a storage bin, the injection bottle storage and transportation device comprises a storage mechanism, the storage mechanism comprises a clamping structure, the side of the clamping structure is provided with a transportation mechanism, the transportation mechanism is connected with a transmission mechanism, and the injection bottle automatic liquid pumping device comprises an injection bottle moving unit, a uncapping unit and a liquid pumping unit; the working method of the automatic explosive charging machine realizes automatic explosive charging of the injector through a plurality of steps; the automatic medicine charging machine for vaccine injection can realize automatic medicine charging of the injector, can complete a large batch of automatic vaccine liquid pumping tasks, greatly reduces the labor intensity and the working time of medical personnel, improves the injection efficiency of the vaccine, and can meet the requirement of concentrated vaccine injection for large-scale crowds.

Description

Automatic medicine charging machine and method for vaccine injection

Technical Field

The invention belongs to the technical field of medical mechanical equipment, and particularly relates to an automatic medicine charging machine and method for vaccine injection.

Background

At present, medical institutions such as hospitals, community health service centers and the like generally adopt a manual operation mode to carry out a vaccination process on vaccination groups. In the vaccination process, medical personnel need to manually take out the syringe and the injection bottle from the storage box, respectively remove the protective cap and the bottle cap of the syringe and the injection bottle, and then insert the needle of the syringe into the injection bottle for liquid extraction; because a lot of gas is attached to the inner wall of the injector after the injector pumps liquid, the medical staff can manually flick the needle cylinder of the injector at the moment to flick the small bubbles attached to the inner wall of the injector, thereby facilitating the next step of exhaust operation; and finally, the medical staff manually pushes the piston handle to completely exhaust the air in the injector, thereby completing the medicine charging operation of the injector.

Because the number of medical personnel who carry out vaccination work in medical institutions such as hospital, community health service center is very limited, when facing the circumstances such as big batch, concentrated injection bacterin, the whole manual operation's vaccination process is very big to medical personnel intensity of labour, and operating time is very long, and medical personnel can't continue to keep the quick injection of bacterin after long-time injection operation, leads to the injection efficiency of bacterin to reduce, can't satisfy the demand of large-scale crowd's vaccination betterly.

Therefore, an automatic medicine filling machine for vaccine injection is urgently needed in the market to meet the requirement of large-scale batch vaccine injection.

Disclosure of Invention

In order to realize the purpose, the invention adopts the technical scheme that: the automatic medicine filling machine for vaccine injection comprises a box body, wherein a storage and transportation device for an injection bottle, a storage and transportation device for a syringe and an automatic liquid pumping device for the syringe are arranged in the box body; the storage and transportation device for the injection bottles comprises a storage bin, wherein the storage bin is used for storing the injection bottles; a bottle pushing mechanism is arranged on the side of the storage bin and used for pushing the injection bottles to move so as to realize the transportation of the injection bottles;

the storage and transportation device for the syringe comprises a storage mechanism, a storage mechanism and a transportation mechanism, wherein the storage mechanism is used for storing the syringe; the storage mechanism comprises a clamping structure, and the injector is clamped on the clamping structure; a transportation mechanism is arranged on the side of the clamping structure and connected with the transmission mechanism, and the transportation mechanism is used for transferring the syringe to realize transportation of the syringe;

the automatic liquid extraction device for the injector comprises an injection bottle moving unit, a uncapping unit and a liquid extraction unit, wherein the injector is transported to the lower part of the uncapping unit by a transportation mechanism, and the liquid extraction unit is positioned on the side of the injector; the injection bottle moving unit and the cap removing unit are arranged on the first lifting unit, the first lifting unit drives the injection bottle moving unit to move, then the bottle pushing mechanism pushes the injection bottle into the injection bottle moving unit, and the first lifting unit drives the cap removing unit to move and remove the protective cap of the syringe; the injection bottle moving unit drives the injection bottle to move to the upper part of the injector, and the first lifting unit drives the injection bottle moving unit to move so as to insert the injection bottle on the needle head of the injector; the liquid pumping unit is arranged on the second lifting unit, and the second lifting unit is used for driving the liquid pumping unit to pull the syringe push handle to realize automatic liquid pumping.

The bottle pushing mechanism comprises a push rod, a moving block and a bottle pushing spring, the push rod is rotatably connected to one side of the moving block, and the other side of the moving block is connected with the bottle pushing spring; the push rod pushes the injection bottle to move under the action of the bottle pushing spring;

the end part of the storage bin is provided with a cap removing structure which comprises a cap removing bayonet, and two contact surfaces with height difference are arranged at the cap removing bayonet.

The clamping structure comprises an upper chuck and a lower chuck, wherein the upper chuck is connected with the lower chuck through a chuck rotating shaft; the upper chuck and the lower chuck are respectively provided with a chuck clamping groove corresponding to the position, and the injector is clamped in the chuck clamping groove;

the conveying mechanism comprises a shifting structure, the shifting structure comprises an upper shifting wheel and a lower shifting wheel, and the upper shifting wheel is connected with the lower shifting wheel through a shifting wheel rotating shaft; the upper dial wheel and the lower dial wheel are provided with dial wheel clamping grooves corresponding to the positions, and the dial structure rotates to drive the dial wheel clamping grooves to be clamped on the injector to transfer the injector;

the transmission mechanism comprises a driving gear and a driven gear, the driving gear is connected with an output shaft of the motor, the driving gear is meshed with the driven gear, and the driven gear is connected with a thumb wheel rotating shaft;

the transmission mechanism also comprises a magnet A, a magnetic ring frame and a magnet B, wherein the upper chuck and the lower chuck are both provided with the magnetic ring frame, and the magnetic ring frame is provided with the magnet B; the upper thumb wheel and the lower thumb wheel are both provided with a magnet A matched with the magnet B.

Further, the outside of stirring the structure is provided with pine cap structure, and pine cap structure includes guide rail, lower guide rail, and upper guide rail, lower guide rail set up respectively in the outside of last thumb wheel, lower thumb wheel.

The injection bottle moving unit comprises a moving channel, a moving frame and a tension spring, wherein the tension spring is connected with the moving frame and used for driving the moving frame to move; the moving frame is provided with a push claw which can extend into the moving channel to push the injection bottle to move;

the injection bottle moving unit also comprises a shell and a push claw base body, and the shell is arranged at the top of the first lifting unit; the moving channel penetrates through the shell along the left and right directions and is used for accommodating the injection bottle;

the push claw base body is arranged in the shell and is positioned behind the moving channel, and the push claw base body can slide in the shell along the left-right direction;

the movable frame is covered on the outer side of the top of the shell, and the lower end of the rear side of the movable frame is fixedly connected with the push claw base body; the lower end of the front side of the movable frame and the pusher dog base body are both connected with pusher dogs which are provided with pusher dog one-way torsion springs.

The uncapping unit comprises an opening and closing mechanism, a clamping shaft opening mechanism and a cam structure, wherein the opening and closing mechanism and the cam structure are respectively arranged on two sides of the clamping shaft opening mechanism;

the first opening clamping shaft is arranged along the front-back direction, a first bushing is sleeved outside the first opening clamping shaft and penetrates through the first lifting unit, and the first opening clamping shaft can slide in the first bushing along the front-back direction; the front end of the first opening clamping shaft is provided with a uncapping rack;

the second opening clamping shaft is arranged below the first opening clamping shaft, a second lining is arranged on the outer side of the second opening clamping shaft, the second lining is arranged on the first lifting unit in a penetrating mode, and the second opening clamping shaft can slide in the second lining in the front-back direction;

the front end of the second opening clamp shaft extends out of the second bushing and is fixedly connected with the first opening clamp shaft through a connecting plate; the front part of the second opening clamping shaft is sleeved with a spring, and the spring is positioned inside the second bushing; the rear end of the second opening clamp shaft extends out of the second bushing and is connected with a roller.

Furthermore, a claw seat plate is arranged on the side of the first opening clamping shaft, the claw seat plate is fixedly arranged on the first lifting unit, and a protective cap accommodating through hole is formed in the front part of the claw seat plate;

the opening and closing mechanism is arranged below the claw seat plate and comprises a first uncapping claw and a second uncapping claw which are oppositely arranged, and the first uncapping claw is positioned behind the second uncapping claw; the head positions of the first uncapping claw and the second uncapping claw correspond to the positions of the protective cap accommodating through holes; the tail part of the first uncapping claw is provided with a first uncapping gear, and the tail part of the second uncapping claw is provided with a second uncapping gear; the first uncapping gear is meshed with the second uncapping gear, and the first uncapping gear is meshed with the uncapping rack.

Further, the cam structure comprises a cam, a rotation limiting block and a limiting screw, the cam is connected with the rotation limiting block through a rotation shaft, the limiting screw is matched with the rotation limiting block to limit the rotation position of the cam, and the cam is matched with the roller to control the moving position of the clamping shaft opening mechanism.

The liquid pumping unit comprises a liquid pumping clamp, a vertical plate and a liquid pumping track plate, wherein the liquid pumping track plate is fixedly arranged on the upper part of the front side wall of the vertical plate, and an inclined guide surface is arranged on the upper part of the liquid pumping track plate;

the liquid pumping clamp comprises a clamp opening, a clamp main body and a position adjusting wheel, the clamp opening is arranged at the upper part of the clamp main body, and the left part of the clamp main body is hinged to the top of the second lifting unit through a first pin shaft; a liquid-pumping one-way torsion spring is sleeved on the first pin shaft;

the right part of the clamp main body is provided with a groove, the groove is internally hinged with a swing arm through a second pin shaft, and the other end of the swing arm is connected with a position adjusting wheel.

The working method of the automatic medicine filling machine for vaccine injection comprises the following steps:

s1, respectively conveying the injection bottles and the syringes by using a storage and transportation device for the injection bottles and a storage and transportation device for the syringes:

putting the injection bottles into a storage bin to realize the feeding of the injection bottles; the bottle pushing spring drives the moving block to move, the moving block drives the push rod to move synchronously, and the push rod pushes the injection bottle in the storage bin to move;

putting the injector into a clamping structure of a storage mechanism to realize the feeding of the injector; during transportation, the motor is started to drive the shifting structure to rotate, the magnet A on the shifting structure synchronously moves along with the shifting structure, and the clamping structure rotates under the action of the magnetic force between the magnet A and the magnet B to drive the injector to move to the shifting structure; the syringe is taken away from the clamping structure along with the fact that the rotating dial wheel clamping groove of the shifting structure is clamped on the syringe, the syringe enters the cap loosening structure through the track inlet under the driving of the shifting structure, and the cap loosening structure looses the cap of the syringe; the poking structure rotates to continuously drive the injector with the loosened cap to move to a liquid drawing level;

s2, the injection bottle moving unit picks up the injection bottle, and the uncapping unit clamps the protective cap:

the first lifting unit drives the injection bottle moving unit and the uncapping unit to move downwards; the injection bottle moving unit moves downwards to a bottle taking position along with the first lifting unit, and the injection bottle moves into the moving channel under the pushing action of the bottle pushing mechanism; the uncapping unit closes and clamps the protective cap when moving downwards to the lower part of the protective cap along with the first lifting unit;

s3, the injection bottle moving unit drives the injection bottle to move to the upper part of the injector, and the uncapping unit uncaps the injector for protecting the cap:

the first lifting unit reverses to drive the injection bottle moving unit and the cap removing unit to move upwards; the injection bottle moving unit moves upwards along with the first lifting unit, the moving frame moves leftwards under the action of the tension spring and pushes the injection bottle to the left part of the moving channel through the pushing claw, and the injection bottle is positioned above the injector at the moment;

the uncapping unit moves upwards along with the first lifting unit, and the opening and closing mechanism synchronously moves upwards to remove the protective cap from the injector;

s4, the injection bottle moving unit drives the injection bottle to be inserted into the needle head of the injector:

the first lifting unit reverses to drive the injection bottle moving unit to move downwards, and the injection bottle moving unit drives the injection bottle to move downwards and is inserted on the needle head of the injector;

s5, automatic liquid extraction of the syringe:

the liquid extraction clamp is positioned below the push handle of the injector in an initial state, the second lifting unit drives the liquid extraction clamp to move upwards, and the liquid extraction clamp moves upwards until the clamping opening is positioned above the push handle of the injector; the second lifting unit reverses to drive the liquid extraction clamp to move downwards, the clamp opening pulls the syringe push handle downwards, and the syringe extracts liquid medicine from the injection bottle to realize automatic liquid extraction;

s6, automatic exhaust of the injector:

the side of the liquid pumping unit is provided with an elastic needle unit which starts to flick the needle cylinder of the injector and flick the bubbles attached to the inner wall of the needle cylinder of the injector; the second lifting unit moves upwards after reversing, and the second lifting unit moves upwards to push the syringe push handle to discharge air in the syringe;

s7, taking out the syringe after automatic medicine charging:

the stirring structure continues to rotate to drive the syringe after automatic medicine charging to move, and the syringe after automatic medicine charging is conveyed to the track outlet of the loose cap structure and then taken away.

The automatic medicine filling machine for vaccine injection can finish the automatic medicine filling operation of the injector, the injection bottle storage and transportation device and the injector storage and transportation device respectively store and transport the injection bottle and the injector, and the automatic liquid pumping device for the injector can realize the automatic liquid pumping operation after the injection bottle is taken off the bottle cap, the injector is taken off the protective cap and the injection bottle is inserted on the needle head of the injector, can finish the automatic medicine filling task of a large batch of vaccine injectors, greatly reduces the labor intensity and the working time of medical personnel, improves the injection efficiency of the vaccine, and can meet the requirement of concentrated injection of the vaccine by large-scale crowds.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.

Fig. 1 is a schematic structural view of an automatic medicine feeder for vaccine injection according to the present invention.

Fig. 2 is a schematic view of the internal structure of the automatic medicine-charging machine for vaccine injection according to the present invention.

Fig. 3 is a side view of fig. 2.

Fig. 4 is an enlarged schematic view of the structure at a in fig. 3.

Fig. 5 isbase:Sub>A sectional viewbase:Sub>A-base:Sub>A of fig. 2.

Fig. 6 is a schematic diagram of the position relationship between the bottle blocking mechanism and the starting ampoule in fig. 5.

Fig. 7 is a schematic diagram of the position relationship between the bottle blocking mechanism and the cap removing structure and the first injection bottle.

Fig. 8 is a schematic structural view of the storage and transportation device for ampoules.

Fig. 9 is a schematic view of the swing position of the batch of ampoules in the storage chamber (the storage chamber is not shown).

Fig. 10 is a sectional view B-B of fig. 9.

Fig. 11 is a schematic view of the state that the push rod is driven by the handle to move in the moving channel of the storage bin until the stop pin enters the bevel opening of the rear side plate of the storage bin body.

Fig. 12 is a schematic view of the state that the push rod enters the bin body along with the stop pin.

FIG. 13 is a schematic view of the handle released and the push rod moved by the vial pushing spring to push the ampoule.

Fig. 14 is a front view of the storage compartment with the ampoule moved to the vial access position.

Fig. 15 is a schematic view of the cap-removing structure in the operational state for removing the cap of the ampoule (the ampoule body is not shown).

Fig. 16 is a schematic structural view of the storage and transportation device for syringes according to the present invention.

Fig. 17 is a cross-sectional view taken along line D-D of fig. 16.

Fig. 18 is a side view of fig. 16.

Fig. 19 is an enlarged partial schematic view of the transport mechanism of fig. 18.

Fig. 20 is a schematic view of the storage and transportation device after manual placement of the bulk syringe into the retaining structure.

Fig. 21 is a schematic top view of fig. 20.

Fig. 22 is a schematic view showing the state of the storage and transportation device when the syringe is first moved to the upper dial wheel after the motor is operated.

Fig. 23 is a schematic plan view of fig. 22.

Fig. 24 is a schematic view of the positional relationship of the syringe and the loose cap structure.

Fig. 25 is a cross-sectional view E-E of fig. 24.

Fig. 26 is an enlarged partial schematic view of the loose cap construction of fig. 25.

Fig. 27 is a schematic view of the storage and transportation device when the initial syringe is moved to the rear of the cap releasing mechanism.

Fig. 28 is a side view of fig. 27.

Fig. 29 is a sectional view F-F of fig. 28.

Fig. 30 is a schematic structural view of an automatic fluid-pumping device for a syringe according to the present invention.

Fig. 31 is a side view of fig. 30.

Fig. 32 is a schematic diagram of the ampoule moving unit.

Fig. 33 is a schematic diagram of the position relationship of the ampoule after entering the ampoule moving unit.

Fig. 34 is a schematic view of the vial moving unit and the uncapping unit of fig. 30.

FIG. 35 is a schematic view of the position relationship between the uncapping unit and the first lifting plate.

Fig. 36 is a schematic view of the positional relationship between the first and second unclamping shafts of the uncapping unit.

Fig. 37 is a top view of fig. 36.

Fig. 38 isbase:Sub>A sectional viewbase:Sub>A-base:Sub>A of fig. 37.

Fig. 39 is a schematic structural view of an opening and closing mechanism of the uncapping unit.

Fig. 40 is a bottom view of fig. 39.

Fig. 41 is a schematic structural view of the cap recovery unit.

Fig. 42 is a top view of fig. 30.

Fig. 43 is a sectional view taken along line B-B of fig. 42.

Fig. 44 is a schematic structural view of the commutator.

Fig. 45 is a right side view of fig. 44.

FIG. 46 is a structural schematic diagram of the cam structure in the initial position.

Fig. 47 is a top view of fig. 46.

Fig. 48 is a rear view of fig. 46.

Fig. 49 is a schematic view showing a state in which the cam of the cam structure is at the maximum rotation position.

Fig. 50 is a rear view of fig. 49.

FIG. 51 is a schematic view showing the positional relationship between the fluid extraction clamp and the second lifting plate.

Figure 52 is a schematic view of an access clip.

Fig. 53 is a schematic structural view of the pogo pin unit.

FIG. 54 is a schematic diagram showing the positional relationship between the ampoule moving unit, the decapping unit, and the rail plate when the ampoule is taken out.

Fig. 55 is a schematic view showing a positional relationship between the roller and the cam in the downward movement of the second opening clamp shaft.

FIG. 56 is a schematic view showing the positional relationship between the roller and the cam when the second open clamping shaft stops moving downward.

Fig. 57 is a schematic view showing a positional relationship between the roller and the cam in the process of moving the second unclamping shaft upward.

FIG. 58 is a schematic view showing the positional relationship between the roller and the trigger plate during the upward movement of the second unclamping shaft.

Fig. 59 is a schematic view showing an operating state in which the position adjusting wheel drives the clamp main body to deflect clockwise under the blocking action of the fluid pumping track plate when the fluid pumping clamp moves upwards.

FIG. 60 is a schematic view of the fluid extraction clip moved up to the push handle of the syringe.

Fig. 61 is a schematic view showing an operation state when the position regulating wheel moves up to the guide surface.

FIG. 62 is a schematic view showing the operation of the fluid extraction clamp moving down the clamp opening and pulling the syringe handle to perform fluid extraction.

FIG. 63 is a schematic view of the operation state of the fluid-extracting clamp pulling the syringe push handle to move downward for fluid extraction.

Fig. 64 is a schematic view showing a positional relationship between the position regulating wheel of the fluid extracting clamp and the fluid extracting rail plate after completion of fluid extraction.

Fig. 65 is a schematic view of the second lifting plate pushing the syringe push handle upward to perform the operation of exhausting.

The symbols in the drawings illustrate that:

1. an injection bottle moving unit; 2. a uncapping unit; 3. a cap recovery unit; 4. a first lifting unit; 5. a liquid pumping unit; 6. a second lifting unit; 7. a storage and transportation device for injection bottles; 8. a travel path unit; 9. a storage and transportation device for the syringe; 10. a base; 101. a uncapping motor; 102. a liquid pumping motor; 103. a needle ejection motor; 104. a bullet needle rubber piece; 105. a connecting rod; 106. a feeding port of the injection bottle; 107. a waste outlet; 108. a liquid level syringe; 109. taking out the syringe; 1010. a syringe feed gate; 1011. a syringe take-out gate;

11. a housing; 12. a tension spring; 13. a movable frame; 14. a pusher jaw base; 15. a push claw; 16. a one-way torsion spring; 17. a track wheel; 18. a first deflector rod; 19. a tension spring support arm; 110. a moving channel; 111. clamping the strip; 112. an injection bottle; 113. the injection bottle recovery slideway; 114. a bottle cap;

21. opening a clamp shaft; 22. opening a clamping shaft; 23. an opening and closing mechanism; 24. a first bushing; 25. a second bushing; 26. a yoke plate; 27. a roller; 28. a spring; 29. uncapping racks; 210. a claw seat plate; 211. a cap receiving through-hole; 212. a protective cap; 213. a first uncapping claw; 214. a first uncapping gear; 215. a second uncapping claw; 216. a second uncapping gear; 217. a uncapping claw rotating shaft; 218. rotating the limiting block; 219. a cam; 220. a limit screw; 221. a cam mount; 222. a rotating shaft; 223. a hollow region; 224. an injector; 225. a trigger plate;

31. a protective cap recovery slideway; 32. a second deflector rod; 33. a second rail wheel; 34. a bearing; 35. a transverse through hole;

41. a first lifting plate; 42. a first rack; 43. a slider; 44. a first gear; 45. a slide rail;

51. a liquid pumping clamp; 52. a vertical plate; 53. a liquid pumping track plate; 54. clamping the opening; 55. a clip main body; 56. a position adjustment wheel; 57. a first pin shaft; 58. a one-way torsion spring for pumping liquid; 59. a second pin shaft; 510. swinging arms; 511. a guide surface; 512. a syringe push handle;

61. a second lifting plate; 62. a second rack; 63. a second gear;

71. a storage bin; 72. a bottle pushing mechanism; 73. a handle; 74. a cap-removing structure; 75. starting an injection bottle; 76. a last injection bottle; 77. a bottle blocking mechanism; 711. placing a bottle position; 712. taking a bottle position; 713. a bin body; 714. an inlet of an injection bottle; 715. a rear side plate of the bin body; 716. a guide wall; 717. a bevel opening; 718. a port; 719. a stopper; 721. a push rod; 722. a moving block; 723. a connecting plate; 724. shifting blocks; 725. a stop pin; 726. the push rod is a one-way torsion spring; 728. a storage bin moving passage; 729. a bottle pushing spring; 743. a housing; 744. a cavity; 746. a bottle cap recovery slideway; 771. a bottle blocking block; 772. a bottle stopper spring; 773. a top shaft; 774. a bottle blocking block rotating shaft;

81. a track plate; 82. a first track groove; 83. a second track groove; 84. a third track groove; 85. a fourth track groove; 86. a vertical through hole; 87. recovering the rail groove by the protective cap; 871. a track number one; 872. track number two; 873. track number three; 88. a commutator; 881. a reversing block; 882. a reversing seat; 883. a reversing shaft; 884. a reversing spring; 885. moving the limiting block; 886. a wedge surface; 887. a top surface;

91. a frame; 92. a storage mechanism; 93. a transport mechanism; 94. a transmission mechanism; 97. a start syringe; 98. a last injector; 99. a null region; 910. a needle head;

921. an upper chuck; 922. a lower chuck; 923. a chuck spindle; 924. a chuck slot; 925. an upper outer baffle plate; 926. an injector inlet; 927. an injector outlet; 928. a bearing A;929. a bearing housing; 9210. a lower outer baffle plate; 9211. a storage bin body;

931. an upper dial wheel; 932. a lower dial wheel; 933. a thumb wheel clamping groove; 934. a thumb wheel shaft; 935. an upper guide rail; 936. a lower guide rail; 937. an inner guide rail; 938. a cap raising plate I; 939. a second cap opening plate; 9310. a first groove; 9311. a second groove;

941. a driving gear; 942. a driven gear; 943. a motor; 944. a magnet A;945. a magnetic ring frame; 946. and a magnet B.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

As shown in fig. 1 to 65, the present invention provides an automatic medicine-charging machine for vaccine injection. As shown in fig. 1 and 2, the automatic medicine filling machine for vaccine injection of the present invention comprises a box body, wherein a storage and transportation device 7 for injection bottles, a storage and transportation device 9 for injectors, and an automatic liquid pumping device for injectors are arranged in the box body; the storage and transportation device 7 for injection bottles can store batches of injection bottles and sequentially transport each injection bottle to a bottle taking position through the bottle pushing mechanism 72; when an ampoule is transported to the bottle-taking position, the ampoule-moving unit 1 of the automatic liquid-pumping device for the syringe descends to the bottle-taking position, the ampoule-pushing mechanism 72 pushes the ampoule into the ampoule-moving unit 1, and the ampoule-moving unit 1 ascends to take away the ampoule at the bottle-taking position.

The storage and transportation device 9 for the syringe comprises a frame 91, a storage mechanism 92, a transportation mechanism 93 and a transmission mechanism, after the batch of syringes 224 are placed into the storage mechanism, the transportation mechanism moves the syringes 224 to the liquid drawing level under the drive of the transmission mechanism, and the liquid drawing unit of the automatic liquid drawing device for the syringe pulls the syringe push handle of the liquid drawing syringe 108 to perform liquid drawing operation, so that automatic charging of the syringe is realized.

The box body is provided with an injection bottle feeding hole 106, and the injection bottles are manually put into the injection bottle storage and transportation device 7 through the injection bottle feeding hole; the box body is provided with an injector feeding door 1010 and an injector taking door 1011, and the position of the injector feeding door 1010 corresponds to the position of an injector inlet 926; the position of the syringe take-out door 1011 corresponds to the position of the outlet (syringe removal position) of the cap releasing structure of the storage and transportation device for syringes. After the injector loading door is opened, manually putting the injector into the injector storage and transportation device 9; after the automatic charging of the injector is finished, the injector taking door is opened, the injector after the automatic charging is manually taken out, and then the inoculation crowd is inoculated with the vaccine.

As shown in fig. 3, the storage and transportation device for injection bottles of the present invention comprises a storage bin 71, a bottle pushing mechanism 72, and a cap removing mechanism 74, wherein the storage bin 71 is used for storing batches of injection bottles, and the batches of injection bottles are sequentially arranged in the storage bin along the left-right direction; the injection bottle at the leftmost end of the batch of injection bottles is a starting injection bottle 75, the injection bottle at the rightmost end of the batch of injection bottles is a last injection bottle 76, and the batch of injection bottles are driven by the bottle pushing mechanism 72 to move leftwards.

The storage bin 71 is provided with a bottle placing position 711 and a bottle taking position 712, the bottle taking position 712 is positioned at the outlet of the storage bin 71, and the injection bottle moving unit 1 of the automatic liquid pumping device for the injector is positioned above the bottle taking position 712. The ampoule is put into the storage bin 71 from the ampoule placing position and is moved to the ampoule taking position to be taken out under the driving of the ampoule pushing mechanism 72.

The storage bin 71 comprises a bin body 713, wherein the bin body 713 is hollow and is opened at the left end; an injection bottle inlet 714 corresponding to the bottle placing position is formed in the front side plate of the bin body 713; the box body of the automatic medicine filling machine is provided with an injection bottle feeding port 106 corresponding to the position of the injection bottle inlet 714, and an operator manually puts batches of injection bottles into the bin body 713 through the injection bottle feeding port 106 and the injection bottle inlet 714 in sequence for storage.

As shown in fig. 8, the bottle pushing mechanism 72 includes a push rod 721, a moving block 722, a shifting block 724 and a stop pin 725, a handle 73 is fixedly disposed at the front end of the shifting block 724, the rear end of the shifting block 724 is connected with the moving block 722 through a connecting plate 723, a rotatable push rod 721 is disposed on the moving block 722, and the stop pin 725 is fixedly disposed at the top of the push rod 721; the moving block 722 is provided with a push rod one-way torsion spring 726, one end of the push rod one-way torsion spring is in contact with the push rod 721, the push rod one-way torsion spring applies anticlockwise torsion to the push rod, so that the push rod rotates anticlockwise relative to the moving block until the push rod is in contact with the lower portion of the connecting plate, and the connecting plate plays a role in limiting the rotation of the push rod.

The moving block 722 is located in the storage bin moving channel 728; the storage bin moving channel 728 is a tubular body with an open left end and a closed right end; a bottle pushing spring 729 is arranged in the storage bin moving channel 728, and the bottle pushing spring is a pressure spring; the right end of the bottle pushing spring is fixedly connected with the inner wall of the right end of the storage bin moving channel, and the left end of the bottle pushing spring is fixedly connected with the moving block. When an operator manually operates the handle 73 to drive the shifting block and the moving block 722 to synchronously move right, the bottle pushing spring 729 is compressed, and the push rod one-way torsion spring 726 is compressed.

The opening 718 is arranged on the bin body rear side plate 715 along the left-right direction, and the opening of the opening 718 provides a moving space for the push rod 721 to move rightwards, so that the push rod 721 is prevented from interfering with the bin body rear side plate 715 when moving. A guide wall 716 is arranged at the left end of the rear side plate 715 of the bin body, and an inclined opening 717 is arranged at the right part of the rear side plate 715 of the bin body; a stop block 719 corresponding to the bevel opening is fixedly arranged in the bin body. The guide wall 716 guides the stop pin 725 when the push rod 721 moves rightwards synchronously along with the shifting block 724, the stop pin moves along the guide wall 716, the push rod 721 enters the storage bin moving channel 728, the stop pin 725 moves rightwards continuously along the outer wall surface of the bin body rear side plate 715, in the process, the push rod one-way torsion spring 726 always applies anticlockwise torsion to the push rod 721, but the stop pin 725 is stopped by the bin body rear side plate 715, so the push rod 721 cannot rotate;

when the push rod 721 moves to the bevel opening position at the right part of the bin body 713 in the bin moving channel 728, the stop pin 725 enters the bin body 713 along the bevel opening 717 under the torsion of the push rod one-way torsion spring 726, and the push rod rotates counterclockwise; the internal backstop 719 of the cartridge body 713 is cleared of the stop pin 725 by the entry of the stop pin 725.

The working method of the bottle pushing mechanism 72 is as follows: in an initial state, no injection bottle exists in the bin body 713, the shifting block 724 is located at the leftmost end of the top of the bin body 713, at the moment, the right side wall of the push rod 721 is in contact with the left side wall of the lower portion of the connecting plate 723, and the connecting plate 723 plays a limiting role in the push rod 721, so that the push rod 721 cannot rotate anticlockwise further under the action of the torsion of the push rod one-way torsion spring 726; the front end of the push rod 721 in the initial state faces the front;

the operator manually places ampoules from ampoule inlet 714 into chamber 713 in batches, and places the ampoule upside down with the cap facing downward. With the sequential placement of the injection bottles, the first injection bottle 75 positioned at the leftmost end in the batch of injection bottles moves leftwards under the pushing action of the right injection bottle, the first injection bottle 75 pushes the push rod 721, the push rod 721 rotates clockwise and is not in contact with the connecting plate 723 any more, and at this time, the push rod 721 and the bottle body of the first injection bottle 75 are in a tangent state; after the last injection bottle of the batch is placed in the bin body, the batch injection bottles are placed;

an operator manually pulls the handle 73 to move rightwards, the handle 73 drives the shifting block 724 to move rightwards on the top of the bin body, the shifting block drives the moving block 722 to move rightwards and synchronously in the storage bin moving channel 728 through the connecting plate 723, and the moving block 722 moves rightwards to compress the bottle pushing spring 729;

as shown in fig. 10, the moving block drives the push rod 721 to move synchronously to the right, at this time, the bottle body of the first ampoule 75 guides the movement of the push rod 721, the push rod 721 deflects along the bottle body of the first ampoule 75, and the push rod 721 deflects to compress the push rod one-way torsion spring 726;

during the deflection of the push rod 721, the push rod rotates clockwise while sliding along the body of the vial, until the stop pin 725 on the push rod 721 moves along the guide wall 716 into the storage chamber moving channel 728;

the stop pin 725 continues to move rightwards along the outer wall surface of the rear side plate of the bin body, at the moment, the front part of the push rod 721 is positioned in the through hole 718 of the rear side plate of the bin body, the outer wall of the rear side plate of the bin body plays a role in guiding the movement of the stop pin 725, the rear side plate of the bin body limits the position of the stop pin 725 in the front-rear direction, the rotary movement of the push rod 721 is further limited, and the push rod 721 cannot rotate anticlockwise under the action of the one-way torsion spring 726 of the push rod;

as shown in fig. 11, when the stop pin 725 moves along the outer wall surface of the rear side plate of the bin body to the position of the bevel 717, the stop pin 725 moves along the bevel towards the inside of the bin body 713 under the torsion of the push rod one-way torsion spring 726;

the front end of the bevel 717 is connected with the left side wall of the stopper 719, the stop pin 725 moves into the bin body 713 along the bevel 717 and then contacts with the left side wall of the stopper 719, in this process, the push rod 721 rotates counterclockwise under the torsion of the push rod one-way torsion spring 726 into the bin body 713 and rotates to an initial state, that is, the front end of the push rod 721 faces the front, as shown in fig. 12;

as shown in fig. 13, when the operator releases the handle 73, the bottle pushing spring 729 pushes the moving block 722 to move leftward in the storage compartment moving channel 728, the moving block drives the push rod 721 to move leftward, the left end surface of the push rod 721 contacts with the bottle body of the last ampoule 76, and the push rod 721 continues to move leftward under the action of the elastic force of the bottle pushing spring 729 to push all ampoules in the storage compartment 713 to move leftward synchronously.

As shown in fig. 6-8, a bottle blocking mechanism 77 is arranged at the side of the bottle taking position of the bin body, the bottle blocking mechanism comprises a bottle blocking block 771, a bottle blocking block spring 772 and a top shaft 773, and the bottle blocking block 771 is rotatably arranged at the front end of the bin body through a bottle blocking block rotating shaft 774; the bottle blocking block spring 772 is sleeved on the top shaft 773, the top shaft is located below the bottle blocking block 771, and the top shaft can move up and down to push the bottle blocking block to rotate to block the injection bottle or move away from the injection bottle without blocking the injection bottle.

As shown in fig. 14 and 15, the cap removing structure 74 is disposed at the left side of the bin body 713 and corresponds to the bottle taking position 712. The cover removing structure 74 comprises a shell 743 and a cover removing bayonet, a cavity 744 is arranged in the shell 743, the cavity 744 is communicated with the bin body 713, the cover removing bayonet is located at the top of the cavity, and two contact surfaces with height difference are arranged at the cover removing bayonet.

A bottle cap recovery slideway 746 is arranged below the cavity 744, and the bottle cap recovery slideway 746 is communicated with a waste outlet 107 arranged on the box body; after the cap of the ampoule is removed from the ampoule by the cap removing structure 74, the ampoule falls into the cap recovery chute 746 and is discharged from the waste outlet 107 into the tank.

The working method of the cap removing structure 74 is as follows: the injection bottle moving unit of the automatic liquid pumping device for the injector is driven by the first lifting unit to descend to a bottle taking position of the storage and transportation device for the injection bottles; the injection bottle moving unit presses down the bottle stopping block 771 of the bottle stopping mechanism 77, and the bottle stopping block rotates to stop the injection bottle; the injection bottle in the storage bin moves to a bottle taking position 712 under the pushing action of the bottle pushing mechanism 72, at the moment, the body of the injection bottle enters the injection bottle moving unit 1, and the bottle cap of the injection bottle enters the cap removing structure 74; the first lifting unit drives the injection bottle moving unit 1 to ascend, the injection bottle moving unit 1 drives the body of the injection bottle to ascend, the bottle cap of the injection bottle is in contact with the cap removing bayonet of the cap removing structure, and the cap removing bayonet scrapes the bottle cap from the injection bottle to complete cap removing operation of the injection bottle.

The working method of the storage and transportation device for the injection bottles comprises the following steps: putting a batch of injection bottles into a storage bin to realize the feeding of the injection bottles, wherein the push rod is positioned at the left side of the bin body, and the first injection bottle is lifted to push the push rod;

the handle is dragged to drive the shifting block to move towards the right end of the bin body, the moving block moves rightwards along with the shifting block synchronously, the bottle pushing spring is compressed at the moment, the push rod is compressed in a one-way torsion spring, the push rod deflects, the stop pin moves along the guide wall to enter the storage bin moving channel and continues to move rightwards along the outer wall surface of the rear side plate of the bin body, and the push rod is driven to move rightwards synchronously in the storage bin moving channel;

when the push rod moves to the right part of the bin body, the stop pin enters the bin body along the bevel opening under the action of the one-way torsion spring of the push rod, and the push rod reversely deflects to return to an initial state;

the handle is loosened, the bottle pushing spring pushes the moving block to move leftwards, the moving block drives the push rod to synchronously move leftwards, and the push rod pushes the batch injection bottles in the storage bin to move leftwards;

the injection bottle moving unit of the automatic liquid pumping device for the injector is driven by the first lifting unit to descend to a bottle taking position of the storage and transportation device for the injection bottles, the injection bottle moving unit presses the bottle blocking mechanism downwards, the bottle blocking mechanism does not block a first injection bottle any more, the bottle pushing mechanism pushes a bottle body of the first injection bottle into the injection bottle moving unit, and a bottle cap is positioned in the cap removing structure at the moment; the first lifting unit drives the injection bottle moving unit to ascend, and the cap removing structure scrapes the bottle cap from the injection bottle to realize cap removal; after the injection bottle moving unit ascends and moves away from the bottle taking position, the bottle blocking mechanism blocks the subsequent injection bottles again to prevent the subsequent injection bottles from moving left.

As shown in fig. 16, the storage mechanism of the storage and transportation device 9 for syringe according to the present invention includes a storage chamber body 9211, and a holding structure, both upper and lower ends of the storage chamber body are opened, and the holding structure is disposed inside the storage chamber body 9211. The storage cabin body 9211 is provided with a syringe inlet 926 and a syringe outlet 927, and a syringe loading door 1010 is arranged at the syringe inlet 926.

The clamping structure comprises an upper clamping disc 921 and a lower clamping disc 922, wherein the upper clamping disc 921 is arranged right above the lower clamping disc 922; the outer circles of the upper chuck 921 and the lower chuck 922 are provided with chuck clamping grooves 924 at corresponding positions in an arc manner at equal intervals, and the chuck clamping grooves 924 are used for accommodating a syringe, so that the syringe is in an upright state in the storage mechanism.

As shown in fig. 25, the upper chuck 921 and the lower chuck 922 are connected through a chuck rotating shaft 923, and the chuck rotating shaft 923 is vertically disposed at the center of the upper chuck and the lower chuck. The upper end, the lower extreme of chuck pivot 923 all are provided with bearing A928, and bearing A is located bearing housing 929, and the card is put the mechanism and can be for frame 91 free rotation.

As shown in fig. 18, an upper outer baffle 925 and a lower outer baffle 9210 are concentrically arranged on the outer sides of the upper chuck 921 and the lower chuck 922, respectively, and the upper outer baffle 925 and the lower outer baffle 9210 are fixed on the upper portion and the lower portion of the storage bin body 9211 respectively; when the clamping structure rotates to drive the injector arranged on the clamping structure to move, the inner walls of the upper outer baffle 925 and the lower outer baffle 9210 play a role in guiding the movement of the injector.

An operator manually places the syringes into the chuck slots 924 of the mounting structure from the syringe inlet 926, and manually rotates the mounting structure to sequentially place batches of syringes into the chuck slots. When the locking structure rotates to drive the syringe to move to the position of the transport mechanism, the syringe leaves the locking structure through the syringe outlet 927 and enters the transport mechanism.

The conveying mechanism comprises a shifting structure, the shifting structure comprises an upper shifting wheel 931 and a lower shifting wheel 932, and the upper shifting wheel is arranged right above the lower shifting wheel; the excircle of the upper dial wheel 931 and the excircle of the lower dial wheel 932 are provided with dial wheel clamping grooves 933 corresponding to the positions at equal intervals, and the dial wheel clamping grooves are used for accommodating the syringe entering the transportation mechanism, so that the syringe is in a vertical state in the transportation mechanism.

As shown in fig. 25, the upper dial 931 and the lower dial 932 are connected by a dial wheel rotating shaft 934, and the dial wheel rotating shaft 934 is vertically disposed at the center of the upper dial 931 and the lower dial 932; the upper part and the middle part of the poking wheel rotating shaft 934 are provided with bearings B, and the poking structure can rotate relative to the rack 91 under the driving of the transmission mechanism 94.

As shown in fig. 19, a loose cap structure is arranged on the outer side of the toggle structure, and the protective cap of the syringe is loosened and capped through the loose cap structure. The cap loosening structure comprises an upper guide rail 935 and a lower guide rail 936, and the upper guide rail is correspondingly arranged above the lower guide rail; the upper guide track 935 and the lower guide track 936 are respectively arranged outside the upper thumb wheel 931 and the lower thumb wheel 932 and are respectively fixedly arranged on the upper outer baffle 925 and the lower outer baffle 9210, and the track heads of the upper guide track 935 and the lower guide track 936 face the injector outlet 927.

As shown in fig. 26, an inner guide rail 937 is provided inside the upper guide rail 935, and the inner guide rail 937 is fixedly provided on the upper outer panel 925. The upper guide rail 935 is provided with a first cap raising plate 938 inclined upwards along the direction from the head of the rail to the tail of the rail; the inner guide rail 937 is provided with a second cap lifting plate 939 inclined upwards along the direction from the head of the rail to the tail of the rail, namely the first cap lifting plate and the second cap lifting plate are both arranged upwards along the direction from the inlet of the rail to the outlet of the rail, and the first cap lifting plate 938 and the second cap lifting plate 939 are matched together to loosen the protective cap of the injector.

A first groove 9310 is arranged at the bottom of the upper guide track 935 from the head of the track to the tail of the track; a second groove 9311 is formed in the bottom of the inner guide rail 937 from the head of the rail to the tail of the rail; the first groove 9310 and the second groove 9311 are arranged oppositely, and the first groove and the second groove are matched to clamp two sides of a needle head seat of the syringe needle, so that the needle head is prevented from being taken away from the syringe when the cap loosening structure loosens and caps the protective cap, and the stability of the needle head on the syringe in the cap loosening process is ensured. The shifting structure is driven by the transmission mechanism 94 to rotate, the syringe is driven by the shifting structure to separate from the clamping structure and enter the cap loosening structure to be capped, and the protective cap outside the syringe needle is covered by the loosening cover.

As shown in fig. 25, the transmission mechanism 94 includes a driving gear 941 and a driven gear 942, the driving gear 941 is fixedly coupled to an output shaft of the motor 943, the driving gear 941 is engaged with the driven gear 942, and the driven gear 942 is fixedly disposed at a lower portion of the dial 934; the motor 943 starts its output shaft and drives the driving gear 941 to rotate, the driving gear meshes with the driven gear to drive the driven gear to rotate, and the driven gear drives the toggle structure to rotate through the toggle wheel rotating shaft 934.

As shown in fig. 17, the transmission mechanism 94 further includes a magnet a944 and a magnetic ring frame 945, wherein a plurality of magnets a are fixedly disposed on the upper dial 931 and the lower dial 932; the magnets A fixedly arranged on the upper dial wheel and the lower dial wheel are corresponding in position, and the plurality of magnets A are arranged at intervals in radian mode at equal intervals around the circle centers of the upper dial wheel 931 and the lower dial wheel 932 respectively.

Go up chuck 921, all be fixed with on the chuck 922 with the two magnetic ring frame 945 that is concentric mutually, be fixed on the magnetic ring frame 945 be provided with magnet A944 matched with magnet B946, magnet B946 is a plurality ofly, the equidistant radian interval setting of the centre of a circle that a plurality of magnet B encircle the magnetic ring frame.

The transmission mechanism 94 realizes the synchronous movement of the clamping structure and the shifting structure by only arranging one motor 943 as a power source; when the position of the vacancy area 99 of the clamping structure corresponds to the track inlet of the loose cap structure, the motor 943 drives the shifting structure to rotate, the magnet A on the shifting structure moves synchronously along with the shifting structure, the magnet A moves to attract the magnet B, the clamping structure starts to rotate under the magnetic action of the magnet A and the magnet B, the synchronous motion of the clamping structure and the shifting structure is realized through magnetic transmission, the clamping structure rotates to drive the vacancy area to move away, the injector on the clamping structure moves to correspond to the track inlet of the loose cap structure, the injector is clamped in the chuck clamping groove of the clamping structure at the moment, the rotating shifting wheel clamping groove of the shifting structure clamps the injector to take the injector away from the chuck clamping groove of the clamping structure, meanwhile, the moving of the syringe of the injector drives the clamping structure to rotate synchronously along with the shifting structure, and the power is indirectly transmitted to the clamping structure from the shifting structure by the injector. The arrangement of only one power source reduces the arrangement space of the power source, reduces the production cost and simultaneously realizes the synchronous control of the shifting structure and the clamping structure.

When the injectors on the clamping structure are all conveyed to move out of the clamping structure, no injector is arranged on the clamping structure, the clamping structure only depends on magnetic transmission to realize synchronous motion with the shifting structure, the magnetic transmission between the clamping structure and the shifting structure is non-rigid connection, and the non-rigid connection enables the clamping structure to have the advantages of convenience in feeding and high safety in the feeding process; when needs are toward the structural supplementary syringe of card, operating personnel can manually touch card put the structure, the manual resistance of applying is greater than magnetic drive's magnetic force, realize that the manual chuck that stops of operating personnel, lower chuck rotates, the motion state of toggle structure can not influence the manual card of stopping of operating personnel and put the structure motion this moment, operating personnel can put into the syringe and carry out the feed supplement in the card put the structure, the material loading feed supplement process of syringe is very convenient, and the security of material loading process is high, the hand appears by the condition of rotatable part fish tail when avoiding appearing rigid connection under the operating personnel material loading.

The working method of the storage and transportation device for the syringe comprises the following steps: in an initial state, no injector is placed in the storage mechanism, an operator manually places batches of injectors into the storage mechanism from an injector inlet 926, and the upper part and the lower part of the injector are clamped by the chuck clamping grooves of the upper chuck 921 and the lower chuck 922 respectively; as shown in fig. 20 and 21, the operator manually completes the placement of the batch injector to realize the storage of the batch injector; at this time, the start injector 97 contacts the outer side wall of the upper guide rail 935, and the upper and lower chuck regions between the start injector 97 and the last injector 98 are not filled with an injector, which is a vacant region 99, and the position of the vacant region 99 corresponds to the positions of the rail entrances of the upper and

lower guide rails

935 and 936.

When the injector starts to transport, the motor 943 starts an output shaft thereof to drive the driving gear 941 to rotate, the driving gear 941 is meshed with the driven gear 942 to drive the driven gear 942 to rotate, and further the thumb wheel rotating shaft 934 is driven to rotate clockwise, and the upper thumb wheel 931 and the lower thumb wheel 932 arranged on the thumb wheel rotating shaft synchronously rotate along with the upper thumb wheel 931 and the lower thumb wheel 932; the upper shifting wheel and the lower shifting wheel rotate to drive the magnet A944 fixed on the upper shifting wheel to rotate clockwise, the lower chuck and the upper chuck are driven to synchronously rotate anticlockwise under the action of magnetic force between the magnet A944 and the magnet B946, the tail injector 98 moves to the shifting structure after the vacancy area 99 rotates anticlockwise, as shown in fig. 22 and fig. 23, the upper shifting wheel and the lower shifting wheel rotate clockwise, the shifting wheel clamping groove 933 of the upper shifting wheel and the lower shifting wheel clamps the needle cylinder of the tail injector 98, the tail injector 98 drives the upper chuck and the lower chuck to continuously rotate anticlockwise along with the movement of the upper shifting wheel and the lower shifting wheel, the shifting wheel clamping groove clamps the tail injector 98 on the tail injector 98 along with the rotation of the shifting structure to take the tail injector 98 out of the clamping structure, and the tail injector 98 enters the cap releasing structure through the track inlet under the driving of the shifting structure; the dial structure continues to rotate to drive the last syringe 98 to move in the loose cap structure to realize the loosening and cap lifting of the protective cap, and meanwhile, the dial structure takes the next syringe away from the clamping structure and drives the next syringe to move into the loose cap structure;

as shown in fig. 25 and 26, the last syringe 98 is driven into the cap releasing configuration by the toggle mechanism, and the upper guide rail 935 cooperates with the lower guide rail 936 to guide the movement of the syringe in the upright position.

The upper guide track 935 is matched with the inner guide track 937 to loosen the cap of the injector; for the needle 910 of the syringe, when the cap of the syringe is loosened, the needle seat of the needle 910 is positioned between the first groove 9310 and the second groove 9311, the first groove and the second groove are matched to clamp two sides of the needle seat of the syringe needle, the position of the needle 910 in the vertical direction is limited, the needle is prevented from being separated from the syringe when the cap is loosened and lifted by the cap loosening structure, and the stability of the needle on the syringe in the cap loosening process is ensured.

For the protective cap of the injector, two sides of the bottom end of the protective cap are respectively contacted with the first cap lifting plate 938 and the second cap lifting plate 939, and the first cap lifting plate and the second cap lifting plate are both arranged in an inclined and upward manner along the direction from the track inlet to the track outlet, so that when the injector is driven by the upper thumb wheel and the lower thumb wheel to move along the upper guide track, the protective cap is jacked up by the first cap lifting plate and the second cap lifting plate which are in gradually rising arcs, the needle 910 is not clamped by the protective cap any more, and the loose cap lifting of the protective cap of the injector is realized.

The loose cap structure realizes the loosening and the cap lifting of the syringe protective cap by the matching of the upper guide rail and the inner guide rail; the first groove and the second groove are matched to clamp two sides of a needle head seat of the syringe needle, so that the needle head is prevented from being separated from the syringe when the protective cap is loosened and lifted by the cap loosening structure, and the stability of the needle head on the syringe in the cap loosening process is ensured. And the protective cap is loosened in the transportation process of the injector, so that the protective cap can be clamped by a cap removing unit of the automatic liquid pumping device with small force to realize cap removing in the subsequent working process.

The stirring structure continues to drive the injector which is loosened in cap to move, the injector which is loosened in cap is moved to a liquid level, the automatic liquid pumping device for the injector takes away the protective cap of the injector and realizes the automatic extraction of the injector from the injection bottle, and the automatic medicine filling is realized.

As shown in fig. 30 and 31, the automatic liquid drawing device for a syringe of the present invention includes an ampoule moving unit 1, a uncapping unit 2, a cap recovering unit 3, a first lifting unit 4, a liquid drawing unit 5, a second lifting unit 6, a power unit, a stroke path unit 8, and a needle ejecting unit.

The power unit respectively drives the first lifting unit 4 and the second lifting unit 6 to lift; the first lifting unit 4 is used for driving the injection bottle moving unit 1, the uncapping unit 2 and the protecting cap recycling unit 3 to move, the injection bottle moving unit 1 is used for moving an injection bottle to the upper part of a syringe, the uncapping unit 2 is used for uncapping a protecting cap arranged on the outer side of a syringe needle, and the protecting cap recycling unit 3 is used for recycling a waste protecting cap; the second lifting unit 6 is used for driving the liquid pumping unit 5 to move, and the liquid pumping unit 5 is used for realizing that the syringe pumps liquid medicine from the injection bottle; the needle ejecting unit ejects a needle cylinder of the injector under the driving of the power unit to eject air attached to the inner wall of the injector; the track plate 81 of the travel track unit 8 is provided with a track groove for controlling the movement of the injection bottle moving unit, the cap removing unit, the cap protecting and recovering unit and the liquid extracting unit so as to realize the operations of injection bottle moving, cap protecting and removing, cap protecting and recovering, liquid extracting of the injector from the injection bottle and the like.

As shown in fig. 31, the power unit includes a cap-removing motor 101, a liquid-extracting motor 102, and a needle-ejecting motor 103, where the cap-removing motor 101 is used to drive the first lifting unit 4 to lift, so as to remove the cap of the injection bottle, remove the protective cap of the syringe needle, and insert the syringe needle into the injection bottle; the liquid extracting motor 102 is used for driving the second lifting unit 6 to lift, so that the injector can extract liquid medicine from the injection bottle; the needle ejecting motor 103 is used for driving the needle ejecting unit to eject the needle cylinder of the injector to eject air attached to the inner wall of the injector.

The first lifting unit 4 comprises a first lifting plate 41 and a first rack 42, the first rack 42 is vertically and fixedly arranged at the right part of the first lifting plate 41, the first rack 42 is meshed with a first gear 44, and the first gear 44 is connected with the output end of the uncapping motor 101.

As shown in fig. 31 to 33, the ampoule moving unit 1 is disposed on the top of the first lifting plate 41; injection bottle mobile unit 1 includes casing 11, extension spring 12, removes frame 13, pusher dog base member 14, offers the removal passageway 110 that runs through the casing along left right direction on the casing 11, and the lower extreme of removal passageway 110 is provided with the card strip 111 along left right direction, and removal passageway 110 is used for holding the body of injection bottle, and card strip 111 blocks in the bottleneck department of injection bottle.

After entering the housing 11 from the right-hand inlet of the displacement channel, the vial is located inside the displacement channel, the vial cap is located outside the housing, the vial moves in the displacement channel 110, and finally moves out of the housing 11 from the left-hand outlet of the displacement channel.

The pawl base 14 is disposed inside the housing 11 and behind the moving passage, and the pawl base 14 can slide inside the housing in the left-right direction.

The front end of the push pawl base body 14 is provided with a rotatable push pawl 15, the push pawl 15 is provided with a one-way torsion spring 16, one end of the one-way torsion spring 16 is contacted with the push pawl base body, and the other end of the one-way torsion spring 16 is contacted with the push pawl; the one-way torsion spring 16 provides a one-way acting force for the pawl after the pawl rotates, and assists the pawl to rotate back to the initial state.

The movable frame 13 is covered on the outer side of the top of the shell 11, the lower end of the rear side of the movable frame 13 is fixedly connected with the push claw base body 14, the lower end of the front side of the movable frame 13 is connected with a rotatable push claw, a one-way torsion spring is arranged on the push claw, one end of the one-way torsion spring is in contact with the movable frame, the other end of the one-way torsion spring is in contact with the push claw, the one-way torsion spring provides a one-way acting force for the push claw after the push claw rotates, and the power-assisted push claw rotates to return to an initial state.

The injection bottle moving unit 1 of the invention is provided with two push claws, and a push claw 15 is respectively arranged on the moving frame 13 and the push claw base body 14; the two push claws are corresponding and matched in position, so that the injection bottle can be stably pushed.

The tension spring 12 is arranged above the shell, one end of the tension spring 12 is fixedly connected with the upper part of the rear side of the movable frame 13, the other end of the tension spring 12 is fixedly connected with the left end of the tension spring support arm 19, and the tension spring support arm 19 is fixed at the upper end of the rear side of the shell 11. The tension spring 12 can pull the moving frame 13 to move leftwards along the shell, the moving frame moves leftwards to drive the pushing claw base body and the pushing claws to synchronously move leftwards, and the pushing claws push the injection bottles in the moving channel 110 to move leftwards, so that the injection bottles are moved.

The rear end of the pusher dog base body 14 is connected with a first track wheel 17 through a first deflector rod 18, the first track wheel 17 is inserted into the track groove of the track plate 81, the first track wheel 17 can move along the track groove during operation, and the track groove plays a role in guiding the movement of the first track wheel.

An injection bottle recovery slideway 113 is arranged at the left side of the shell 11, an inlet of the injection bottle recovery slideway is matched with an outlet of the moving channel 110, the injection bottle of an empty bottle is recovered after liquid extraction, and an outlet of the injection bottle recovery slideway is communicated with a waste outlet; the empty ampoules enter the ampoule retrieval chute 113 and are then discharged from the waste outlet.

As shown in fig. 34 and 35, the uncapping unit 2 is disposed above the first elevating plate 41 and below the ampoule moving unit 1. The uncapping unit 2 comprises a first opening clamping shaft 21, a second opening clamping shaft 22 and an opening and closing mechanism 23, wherein the first opening clamping shaft 21 is arranged along the front-back direction, a first bushing 24 is sleeved outside the first opening clamping shaft, the first bushing 24 is arranged on a first lifting plate 41 in a penetrating manner, and the first opening clamping shaft can slide in the first bushing along the front-back direction; the front end of the first opening clamping shaft 21 is provided with a uncapping rack 29.

The second opening clamping shaft 22 is arranged right below the first opening clamping shaft 21 in parallel, a second bushing 25 is arranged on the outer side of the second opening clamping shaft 22, the second bushing 25 penetrates through the first lifting plate 41, and the second opening clamping shaft can slide in the second bushing in the front-back direction.

The front end of the second opening clamp shaft 22 extends out of the second bush 25 and is fixedly connected with the first opening clamp shaft 21 through a connecting plate 26; a spring 28 is sleeved at the front part of the second opening clamping shaft 22, and the spring 28 is positioned inside the second bushing 25; the spring 28 is in a compressed state in the initial state, and always applies a backward elastic force to the second open clamping shaft when the second open clamping shaft is not subjected to an external force.

The rear end of the second opening clamping shaft 22 extends out of the second bushing 25 and is connected with a roller 27, and the roller 27 is matched with the cam structure to control the moving position of the second opening clamping shaft 22 in the front-back direction, and further control the moving position of the first opening clamping shaft 21 in the front-back direction.

A claw seat plate 210 is arranged on the side of the first opening clamping shaft 21, and the claw seat plate 210 is fixedly arranged on the first lifting plate 41; a cap receiving through hole 211 is formed at the front of the jaw plate, and when the uncapping unit 2 uncaps the cap 212 of the syringe, the cap 212 is positioned inside the cap receiving through hole 211.

The opening and closing mechanism 23 is disposed below the claw seat plate 210, and is used for clamping or releasing the cap 212. The opening and closing mechanism 23 comprises a first uncapping claw 213 and a second uncapping claw 215 which are oppositely arranged, and the first uncapping claw is positioned behind the second uncapping claw; the first uncapping claw and the second uncapping claw are respectively connected to the claw seat plate 210 through uncapping claw rotating shafts 217 in a rotating mode.

The head positions of the first cap removing claw and the second cap removing claw correspond to the position of the protective cap accommodating through hole 211, and the head of the first cap removing claw and the head of the second cap removing claw are matched to clamp or loosen the protective cap.

The tail part of the first uncapping claw is provided with a first uncapping gear 214, and the tail part of the second uncapping claw is provided with a second uncapping gear 216; the first uncapping gear 214 meshes with the second uncapping gear 216, and the first uncapping gear 214 meshes with the uncapping rack 29 located at the front end of the first unclamping shaft 21.

The first opening clamping shaft moves back and forth to control the opening or closing of the opening and closing mechanism 23 through gear transmission; when the protective cap needs to be clamped, the first opening clamping shaft 21 moves forwards to drive the uncapping rack 29 to move forwards, the uncapping rack 29 moves forwards to drive the first uncapping gear 214 to rotate clockwise, and the first uncapping claw 213 rotates clockwise; meanwhile, the first uncapping gear drives the second uncapping gear 216 to rotate anticlockwise, so that the second uncapping claw 215 rotates anticlockwise; the first uncapping claw rotates clockwise while the second uncapping claw rotates anticlockwise, the first opening and clamping shaft 21 moves forwards to drive the first uncapping claw and the second uncapping claw to be far away from each other in head position, opening of the opening and closing mechanism 23 is achieved, then the opening and closing mechanism which is opened moves to the outer side of the protective cap 212, the first opening and clamping shaft 21 moves backwards to drive the uncapping rack 29 to move backwards, the first uncapping claw is further driven to rotate anticlockwise through gear transmission, the second uncapping claw rotates clockwise, the first uncapping claw and the second uncapping claw are close to each other in head position, and the opening and closing mechanism 23 is closed to clamp the protective cap. When the protective cap needs to be loosened, the operation is repeated to open the opening and closing mechanism 23.

As shown in fig. 35 and 41, the cap recovery unit 3 is disposed below the uncapping unit 2, the cap recovery unit 3 includes a cap recovery chute 31, a second deflector rod 32, and a second rail wheel 33, and the cap recovery chute is communicated with the waste outlet; the cap of the syringe is removed by the uncapping unit 2, falls into the cap recovery chute 31, and is then discharged from the waste outlet.

The second deflector rod 32 is horizontally arranged along the front-back direction; the front end of the second driving lever is fixedly connected with the rear wall of the protective cap recovery slide rail 31, the rear end of the second driving lever is provided with a second track wheel 33, the second track wheel 33 is matched with a track groove in the track plate 81, the second track wheel can move along the track groove during working, and the track groove plays a role in guiding the movement of the second track wheel.

The rear portion cover of No. two driving levers is equipped with bearing 34, offers the horizontal through-hole 35 along left right direction on the lifter plate 41, and bearing 34 cooperatees with horizontal through-hole 35 and can roll in horizontal through-hole, drives No. two driving levers and removes about in horizontal through-hole 35 to realize that the helmet is retrieved slide 31 and is removed about for lifter plate 41.

As shown in fig. 42, the travel track unit 8 includes a track plate 81, the track plate 81 is vertically and fixedly disposed on the base 10, and the first lifting plate 41 is vertically disposed in front of the track plate 81; the rear wall of the first lifting plate 41 is fixedly provided with a vertical sliding rail 45, the sliding rail 45 is provided with a matched sliding block 43, and the sliding block 43 is fixedly arranged on the rail plate 81. The uncapping motor 101 is started to drive the first gear 44 to rotate, and the first gear drives the first lifting plate 41 to lift in the vertical direction relative to the track plate 81 through meshing with the first rack.

As shown in fig. 43, the track plate 81 is provided with an injection bottle moving track groove, a vertical through hole 86, and a cap recovery track groove 87, the first track wheel 17 of the injection bottle moving unit 1 is inserted into the injection bottle moving track groove, and the first track wheel is matched with and can move along the injection bottle moving track groove; the second clamping opening shaft 22 of the uncapping unit 2 penetrates through the vertical through hole 86 from front to back along the horizontal direction, and the second clamping opening shaft 22 can move up and down along the vertical through hole 86; the second rail wheel 33 of the cap recovery unit 3 is inserted into the cap recovery rail groove 87, and the second rail wheel is fitted with and movable along the cap recovery rail groove.

The injection bottle moving track groove comprises a first track groove 82, a second track groove 83, a third track groove 84 and a fourth track groove 85, wherein the first track groove 82 and the second track groove 83 are parallel and are all arranged in a downward inclined mode from left to right.

The left part of the first track groove is communicated with the left part of the second track groove through a through groove, and a commutator 88 is arranged at the through groove; the left end of the first track groove extends to a position H, the left end of the second track groove extends to a position L, the commutator is located between the position H and the position L, and the commutator is used for realizing the on-off of the through groove.

As shown in fig. 44 and 45, the commutator 88 includes a commutation block 881 and a commutation seat 882, wherein an opening is provided at the front of the commutation seat 882, and the commutation block 881 is located in the opening. The front part of the reversing block 881 is inserted into the through groove, and the communication and the partition of the through groove are realized by the backward and forward movement of the reversing block.

A reversing shaft 883 is fixedly connected at the rear end of the reversing block, and the reversing shaft can move back and forth along the horizontal direction relative to the reversing seat. The rear end of the reversing shaft penetrates through the reversing seat and is fixedly connected with a movable limiting block 885, the movable limiting block is positioned at the rear outside the reversing seat, and the movement of the reversing shaft is limited by the arrangement of the movable limiting block; the front end of the reversing shaft is sleeved with a reversing spring 884, and the reversing spring is positioned in the opening.

When the wedge surface 886 at the front end of the reversing block is stressed, the reversing block drives the reversing shaft to move backwards, and the reversing block moves backwards to extrude the reversing spring; at the moment, the reversing block exits from the through groove, and the through groove is in a communication state, namely, the position H of the first track groove is in a communication state with the position L of the second track groove.

When the wedge surface of the reversing block is not stressed any more, the reversing block drives the reversing shaft to move forwards under the action of the elastic force of the reversing spring, and the moving limiting block limits the position of the reversing shaft moving forwards and further limits the position of the reversing block moving forwards; at the moment, the reversing block is inserted into the through groove, and the through groove is in a blocking state, namely, the position H of the first track groove and the position L of the second track groove are in a blocking state.

As shown in fig. 43, the third rail groove 84 is vertically disposed at the right ends of the first rail groove and the second rail groove, the upper end of the third rail groove intersects with the first rail groove at a position I, the middle portion of the third rail groove intersects with the second rail groove at a position J, and the lower end of the third rail groove extends to a position K.

The fourth track groove 85 is vertically disposed at the left end of the second track groove, the upper end of the fourth track groove is communicated with the left end of the second track groove, and the lower end of the fourth track groove extends to the position M. The vertical through hole 86 is vertically provided to the right of the fourth rail groove 85.

The protecting cap recycling track groove 87 is formed in the right side of the vertical through hole 86, the protecting cap recycling track groove 87 comprises a first track 871, a second track 872 and a third track 873 which are communicated, the first track and the third track are parallel and are arranged vertically, and the second track is arranged obliquely downwards from left to right.

The upper end of the first track extends to a position h; the left end of the second track intersects the lower end of the first track at a position j, and the right end of the second track intersects the upper end of the third track at a position k.

As shown in fig. 31, a cam structure is disposed behind the track plate 81, and the cam structure is engaged with the roller 27 of the uncapping unit 2 and used for controlling the forward and backward movement of the second opening and clamping shaft 22 and further controlling the opening and closing of the opening and closing mechanism 23.

As shown in fig. 46-50, the cam structure includes a cam 219, a rotation limiting block 218, a limiting screw 220, and a cam mounting seat 221, wherein the cam mounting seat 221 is fixed on the track plate 81; the cam mounting seat 221 is provided with a rotatable rotating shaft 222, one end of which is fixedly connected with the cam 219 and the other end of which is fixedly connected with the rotation limiting block 218. The limit screw 220 is disposed at the rear portion of the cam mounting seat 221, and the limit screw and the rotation limiting block cooperate to limit the rotational position of the cam.

Cam 219 is the eccentric wheel, has seted up hollow area 223 on the cam 219 for cam 219 can rotate to its most advanced downward under the effect of self gravity under the condition of not receiving external force, and stop screw withstands to rotate the stopper and carry out spacingly to cam 219 this moment, and cam 219 can't continue to rotate backward.

As shown in fig. 55, a trigger plate 225 is disposed behind the track plate 81 in the vertical direction, the trigger plate 225 is located above the cam structure, and the trigger plate is used for adjusting the position of the second unclamping shaft 22 in the front-rear direction.

As shown in fig. 31, the second lifting unit 6 includes a second lifting plate 61, a second rack 62, and a second gear 63, the second rack 62 is vertically and fixedly disposed on the right portion of the second lifting plate 61, the second rack is engaged with the second gear 63, and the second gear is connected to the output end of the liquid-extracting motor 102. The liquid pumping motor 102 is started to drive the second gear 63 to rotate, and the second gear drives the second rack meshed with the second gear to move up and down, so that the second lifting plate 61 is driven to move up and down.

The liquid extracting unit 5 comprises a liquid extracting clamp 51, a vertical plate 52 and a liquid extracting track plate 53, wherein the liquid extracting clamp 51 is arranged at the top of the second lifting plate 61; the vertical plate 52 is vertically and fixedly arranged on the base 10, the liquid-extracting track plate 53 is fixedly arranged on the upper part of the front side wall of the vertical plate, and the upper part of the liquid-extracting track plate 53 is provided with an inclined guide surface 511; the liquid extracting track plate 53 is matched with the liquid extracting clamp 51 to realize the liquid extracting operation of the injector.

As shown in fig. 51 and 52, the drawing clamp 51 includes a clamp opening 54, a clamp main body 55, and a position adjusting wheel 56, wherein the clamp opening 54 is provided at an upper portion of the clamp main body 55; the left part of the clamp body 55 is hinged to the top of the second lifting plate 61 through a first pin shaft 57; the first pin shaft 57 is sleeved with a liquid-pumping one-way torsion spring 58, the liquid-pumping one-way torsion spring 58 provides one-way torsion for the clamp body after the clamp body 55 rotates, and the power-assisted clamp body rotates to return to an initial state.

The right part of the clamp main body 55 is provided with a groove, a swing arm 510 is hinged in the groove through a second pin shaft 59, and the other end of the swing arm is connected with a position adjusting wheel 56. When the position adjusting wheel drives the swing arm 510 to rotate clockwise relative to the clamp main body 55 under the action of external force, the bottom surface of the groove of the clamp main body can limit the rotation of the swing arm on the inner side of the swing arm, the swing arm rotates to the position where the lower end surface of the swing arm is flush with the lower end surface of the clamp main body, and the position adjusting wheel continues to drive the clamp main body 55 to rotate clockwise relative to the second lifting plate under the action of external force, so that the clamp opening 54 is driven to rotate clockwise to open the liquid suction clamp.

As shown in fig. 31 and 53, the pogo pin unit includes a pogo pin rubber 104 and a connecting rod 105, the pogo pin rubber 104 is connected to an output end of the pogo pin motor 103, and the pogo pin motor 103 is fixedly connected to the track plate 81 through the connecting rod 105. The bullet needle motor 103 is started to drive the bullet needle rubber piece 104 to rotate and flick the needle cylinder of the injector, and air attached to the inner wall of the needle cylinder of the injector is flicked.

The automatic liquid pumping device for the injector drives the injection bottle to move relative to the injector through the injection bottle moving unit 1, inserts the injection bottle on the needle head of the injector, and drives the push rod of the injector to move downwards through the liquid pumping unit to pump liquid, so that the automatic liquid pumping operation of the injector is realized.

The working method of the automatic liquid pumping device for the injector comprises the following steps:

an initial state: as shown in fig. 30 and 43, the first rail wheel 17 of the ampoule moving unit 1 is located at the left end of the first rail groove 82, i.e., at the position H in the initial state; the second clamping shaft 22 of the uncapping unit 2 is positioned at the top end of the vertical through hole 86; the second track wheel 33 of the protective cap recovery unit 3 is positioned at the top end of the protective cap recovery track groove 87; the injection bottles are stored by the injection bottle storage and transportation device 7; the injector is conveyed to the liquid extracting position by the injector storage and transportation device 9 to wait for liquid extraction;

s1, the injection bottle moving unit 1 moves downwards to pick up the injection bottles 112, the cap recovery unit 3 moves transversely to move away from the upper side of the caps 212, and the uncapping unit 2 moves downwards to clamp the caps 212:

the motion process of the injection bottle moving unit 1 is as follows: the uncapping motor 101 is started to drive the first lifting plate 41 to move downwards through gear transmission of the first gear 44 and the first rack, and the injection bottle moving unit 1 arranged at the top of the first lifting plate 41 synchronously moves downwards; under the limiting action of the track plate 81 on the motion track of the first track wheel, the first track wheel 17 moves to the right lower part along the first track groove 82 to the right end of the first track groove, namely the first track wheel 17 moves from the position H to the position I, at the moment, the moving frame 13 connected with the first track wheel 17 synchronously moves to the right end of the injection bottle moving unit 1, so that the tension spring 12 is in a stretching state, the push claw arranged below the moving frame is positioned at the inlet of the right end of the moving channel, and the push claw blocks the inlet of the moving channel;

the injection bottle moving unit 1 continues to descend under the driving of the uncapping motor 101, the first rail wheel 17 enters the third rail groove 84 and moves to the lower end of the third rail groove, namely the first rail wheel 17 moves from the position I to the position K;

as shown in fig. 54, when the first track wheel 17 moves to the position K, the injection bottle moving unit 1 descends to the bottle taking position of the injection bottle storage and transportation device, the cap removing motor 101 stops, at this time, the injection bottle moving unit 1 is located above the cap removing structure of the injection bottle storage and transportation device, the injection bottle moving unit 1 presses the bottle blocking mechanism 77 downwards, the bottle blocking mechanism is opened, so that the bottle blocking block 771 of the bottle blocking mechanism rotates, the bottle blocking block 771 is no longer blocked at the left side of the injection bottle, the bottle pushing mechanism 72 of the injection bottle storage and transportation device pushes the injection bottle leftwards, the injection bottle moves leftwards and pushes against the pushing claw 15, so that the pushing claw 15 rotates to open the inlet of the moving channel 110, the body of the injection bottle is pushed into the moving channel by the bottle pushing mechanism, the bottle cap of the injection bottle is located inside the cap removing structure 74, the clamping strip located at the lower end of the moving channel is clamped at the bottle neck of the injection bottle, at this time, the injection bottle is located at the bottle taking position of the injection bottle transportation device, and the injection bottle moving unit 1 finishes the operation of taking the injection bottle from the bottle taking position of the injection bottle storage and transportation device; after the injection bottle enters the moving channel 110, the push claw 15 rotates back to the original position under the action of the torsion of the one-way torsion spring 16, and the push claw is positioned on the right side of the injection bottle;

the movement process of the uncapping unit 2 is as follows: in the process that the first track wheel 17 moves from the position H to the position K of the track plate 81, the uncapping unit 2 is driven by the uncapping motor 101 to synchronously descend along with the first lifting plate 41, the second opening clamping shaft 22 of the uncapping unit 2 descends to move downwards along the vertical through hole from the upper end of the vertical through hole 86, the roller 27 at the rear end of the second opening clamping shaft 22 is in contact with the front side wall of the trigger plate 225, the trigger plate 225 limits the front and rear positions of the second opening clamping shaft 22, the opening and closing mechanism 23 is in an open state, and the spring 28 is in a further compressed state;

as shown in fig. 55, as the second opening/closing shaft 22 drives the roller 27 to move downward, the roller moves downward to the cam structure below the trigger plate 225, the opening/closing mechanism 23 moves to the top position of the helmet 212, at this time, the cam structure is in an initial state, the tip of the cam 219 faces downward under the action of its own gravity, the limiting screw 220 abuts against the rotation limiting block 218 to limit the cam 219, and the cam 219 cannot rotate counterclockwise; the roller continues to move downwards along the straight side wall positioned at the front side of the cam, the cam 219 limits the position of the second opening and clamping shaft 22 in the front-back direction, so that the opening and clamping mechanism 23 is still in an opening state and positioned at the outer side of the protective cap 212, and the spring 28 is in a compression state;

as shown in fig. 56, when the first rail wheel 17 of the ampoule moving unit 1 moves to the position K of the rail plate 81, the second opening clamping shaft 22 moves downward to the lower end of the vertical through hole 86, at this time, the roller moves to the lower side of the cam 219, the cam 219 no longer limits the position of the roller and the second opening clamping shaft 22, the spring 28 in the compressed state generates a backward acting force on the second opening clamping shaft 22 to push the second opening clamping shaft 22 to move backward, the second opening clamping shaft drives the first opening clamping shaft 21 to move backward through the connecting plate 26, so that the uncapping rack 29 moves backward to drive the opening and closing mechanism 23 to close through gear transmission, and the opening and closing mechanism 23 clamps the lower part of the protective cap 212;

the movement process of the protective cap recovery unit 3 is as follows: in the process that the second opening clamping shaft 22 of the uncapping unit 2 moves downwards along the vertical through hole 86, the protecting cap recovering unit 3 synchronously moves downwards along with the first lifting plate 41 under the driving of the uncapping motor 101, and the second track wheel 33 of the protecting cap recovering unit 3 moves along the track of the protecting cap recovering track groove 87; when the second rail wheel 33 moves into the second rail 872, under the limiting action of the second rail 872 track, the second rail wheel 33 drives the cap recovery slide way 31 to move rightwards relative to the rail plate 81 through the second shift lever 32, so that the top of the cap recovery slide way 31 moves away from the upper part of the injector, a space is provided for the cap removing unit 2 to move downwards to grab the cap, and the cap removing unit 2 and the cap recovery unit 3 are prevented from moving and interfering;

when the first rail wheel 17 of the ampoule moving unit 1 moves to the position K of the rail plate 81, the second rail wheel 33 correspondingly moves to the position K of the rail plate 81.

S2, the injection bottle moving unit 1 moves upwards to uncap the injection bottle and drive the injection bottle to move to the upper part of the injector; the uncapping unit 2 moves upwards to uncap the protective cap of the injector, and the protective cap recovery unit 3 recovers the protective cap;

the motion process of the injection bottle moving unit 1 is as follows: the uncapping motor 101 is reversed to drive the first lifting plate 41 to move upwards, the first lifting plate drives the injection bottle moving unit 1 to move upwards, the body of the injection bottle is driven by the shell 11 to lift upwards to be away from the uncapping structure 74, a bayonet is arranged at the top of the uncapping structure 74 along the front-back direction, the injection bottle moving unit 1 drives the injection bottle to move upwards to scrape the bottle cap 114 from the injection bottle through the bayonet, and uncapping of the injection bottle is achieved; the bottle cap falls into a bottle cap recovery slideway positioned below the cap removing structure for recovery after being separated from the injection bottle;

during the process that the first track wheel 17 moves upwards from the position K along the third track groove 84, the tension spring 12 is in a tension state; when the first track wheel 17 moves upwards to the position J, the first track wheel 17 moves leftwards to enter the second track groove 83 under the action of the pulling force of the tension spring 12 and moves to the position L under the action of the pulling force of the tension spring, the injection bottle in the shell 11 is positioned above the injector, and the position of the bottle opening of the injection bottle corresponds to the position of the injector;

the uncapping unit 2 and the protective cap recovery unit 3 move in the following processes: as shown in fig. 57, in the process that the first track wheel 17 moves from the position K to the position J, the uncapping unit 2 and the cap recovery unit 3 synchronously rise upwards along with the first lifting plate 41, and the second opening and clamping shaft cannot move forwards under the action of the elastic force of the spring 28, so that the opening and closing mechanism 23 can be ensured to be in a closed state, the opening and closing mechanism 23 clamps the cap to drive the cap to move upwards, and the cap is removed from the injector to be uncapped; while the roller 27 moves upward to rotate clockwise against the cam 219;

the second rail wheel 33 of the cap recovery unit 3 moves along the track of the second rail 872 to drive the top of the cap recovery slideway 31 to move towards the upper left relative to the rail plate 81; when the second rail wheel 33 moves to the position j, the recovery inlet at the top of the cap recovery slide way 31 moves transversely to the lower part of the cap, and meanwhile, the roller of the cap removing unit 2 leaves the cam structure and starts to contact with the front side wall of the trigger plate 225, as shown in fig. 58, the trigger plate pushes the second opening and clamping shaft to move forwards to drive the opening and closing mechanism 23 to open, the opening and closing mechanism 23 releases the cap, and the cap falls into the cap recovery slide way 31 to be recovered;

the first lifting plate continues to drive the uncapping unit 2 and the protective cap recycling unit 3 to move upwards, the second opening clamping shaft 22 continues to move upwards along the track of the vertical through hole 86, and the second rail wheel 33 moves upwards from the position j along the track of the first rail 871; after the roller leaves the cam 219 in the process, the cam 219 no longer receives the external force applied by the roller, and the cam 219 rotates counterclockwise back to the original position under the action of its own gravity, with its tip facing downward.

S3, the protective cap recovery unit 3 moves transversely and is removed from the upper part of the needle head, and the injection bottle moving unit 1 moves downwards to drive the injection bottle to be inserted into the needle head of the injector:

the injection bottle moving unit 1 and the protective cap recovery unit 3 move in the following processes: the uncapping motor 101 rotates positively to drive the first lifting plate to move downwards, the second track wheel 33 of the cap protection recovery unit 3 moves downwards through the first track 871 and then moves downwards through the second track 872 and moves transversely to move into the third track 873, meanwhile, the first track wheel 17 moves downwards to a position M from a position L of the track plate, and an injection bottle in the shell 11 is inserted into a needle head of the injector; the second rail wheel 33 transversely moves under the guiding action of the second rail 872 to realize the transverse movement of the protective cap recovery slideway 31, and the protective cap recovery slideway 31 moves rightwards to provide space for the injection bottle to move downwards to insert the injection bottle on the needle of the injector in the moving process, so that the movement interference is avoided.

S4, automatic liquid drawing of the injector: as shown in FIG. 30, the priming clip is positioned below the push handle of the syringe in the initial state; as shown in fig. 59, when the pumping motor 102 is started, the second gear 63 is meshed with the second rack 62 to drive the second lifting plate 61 to move upwards, the second lifting plate drives the pumping clamp to lift, the position adjusting wheel 56 moves upwards and is blocked by the pumping track plate 53, and the position adjusting wheel drives the clamping opening to deflect clockwise through the swing arm; as shown in fig. 60, the position adjustment wheel continues to move upward to the syringe push handle, and the deflected nip is located at the side of the syringe push handle; as shown in fig. 61, when the position adjusting wheel moves up to the guiding surface 511 along the liquid-extracting track plate 53, the position of the position adjusting wheel is no longer limited by the liquid-extracting track plate 53, and the clamp body 55 rotates counterclockwise to drive the clamp opening to move above the push handle of the syringe under the torsion of the liquid-extracting one-way torsion spring 58; as shown in fig. 62, the pumping motor is reversed to drive the second lifting plate to move downwards, the position adjusting wheel 56 is hindered by the pumping track plate 53 to move downwards, so that the position adjusting wheel drives the swing arm 510 to rotate anticlockwise to lock the position of the clamping opening, and the clamping opening 54 is clamped at the upper end of the syringe push handle; as shown in fig. 63, the second lifting plate moves down to continue to drive the liquid extraction clamp to move downward, the position adjusting wheel 56 moves downward along the liquid extraction track plate 53, the clamp port 54 pulls the syringe push handle 512 downward, and the syringe extracts liquid medicine from the injection bottle; as shown in fig. 64, the grip 54 pulls the syringe handle to go down, and the position adjustment wheel 56 disengages from the fluid-pumping track plate 53; the position adjusting wheel and the swing arm 510 are turned clockwise under the action of the gravity of the position adjusting wheel and the swing arm until the swing arm is in a horizontal state; the syringe finishes extracting the liquid medicine.

S5, pulling the injection bottle off the injector, and enabling the injection bottle moving unit, the uncapping unit and the protective cap recycling unit to return to the initial positions:

the motion process of the injection bottle moving unit, the uncapping unit and the protecting cap recycling unit is as follows: as shown in fig. 60, the uncapping motor 101 reverses to drive the first lifting plate 41 to move upwards; the second clamping opening shaft 22 of the uncapping unit 2 moves to the top end of the vertical through hole along the vertical through hole 86 and returns to the initial position; the second track wheel 33 of the cap recovery unit 3 moves to the position h along the cap recovery track groove and returns to the initial position;

the first track wheel 17 moves upwards from the position M to the position L of the track plate, and the injection bottle moving unit moves upwards to pull out an injection bottle from a needle head of the injector; the first rail wheel 17 continues to move upwards to be in contact with the reverser 88, the first rail wheel upwards pushes against the wedge surface 886 positioned at the front end of the reversing block 881, the inclined wedge surface 886 is stressed to drive the reversing block 881 to horizontally move backwards to open the through groove, and at the moment, the reversing spring 884 is compressed; the rail wheel 17 after the through groove is communicated moves upwards to a position H through the through groove, the injection bottle moving unit 1 returns to the initial position, and the reversing block 881 moves forwards and is inserted into the through groove under the action of the elastic force of the reversing spring 884 to realize the partition of the through groove;

because the position H of the first rail groove 82 is located above the position L of the second rail groove 83, and the tension spring 12 is in a stretching state when the first rail wheel 17 is at the position L, when the first rail wheel 17 moves upwards from the position L through the through groove, the tension spring 12 pulls the moving frame 13 to move leftwards to push the injection bottle in an empty bottle state to move leftwards continuously in the moving channel 110 through the push pawl; when the first rail wheel 17 moves to the position H, the pushing claw pushes the injection bottle in an empty state into the injection bottle recovery slideway 113, and the injection bottle enters the injection bottle recovery slideway 113 to be recovered.

S6, needle springing and air exhausting of the injector: as shown in fig. 53, the bullet needle motor 103 is started to drive the bullet needle rubber 104 to rotate, and the bullet needle rubber 104 strikes the syringe of the injector to eject the bubbles attached to the inner wall of the syringe;

as shown in fig. 65, the pumping motor 102 is reversed to drive the second lifting plate 61 to move upwards, the position adjusting wheel 56 moves upwards and is blocked by the pumping track plate 53, the swing arm is driven to deflect clockwise, and the clamp 54 leaves the injector push handle; the second lifting plate 61 moves upwards, the top of the second lifting plate pushes the syringe push handle to move upwards, the syringe push handle drives the liquid medicine in the syringe to move upwards, and air in the syringe is discharged from the needle head, so that the liquid medicine in the syringe is discharged.

The next duty cycle is started: when the first rail wheel 17 moves downwards from the rail plate H, the first rail wheel 17 contacts with the top surface 887 of the commutator, the commutation block 881 cannot move, the first rail wheel 17 moves along the track of the top surface 887 and the first rail groove 82, and the steps S1, S2 and S3 are repeated to complete the task of inserting the next syringe into the next ampoule. And (4) the syringe after being exhausted is transported to a syringe taking-out position by the storage and transportation device for the syringe, the syringe 109 at the taking-out position is manually taken away, then the next syringe is transported to a liquid drawing position by the storage and transportation device for the syringe, the liquid drawing clamp is positioned below the next syringe at the moment, and the steps S4, S5 and S6 are repeated to complete the automatic liquid drawing and exhausting work task of the next syringe.

When the injection bottles and the syringes in the injection bottle storage and transportation device 7 and the syringe storage and transportation device 9 are used up, the injection bottles and the syringes are respectively supplemented into the injection bottle storage and transportation device 7 and the syringe storage and transportation device 9 from the injection bottle feeding port 106 and the syringe feeding door 1010 manually, and then the automatic medicine charging operation of the next batch of syringes can be continued.

The automatic medicine charging machine for vaccine injection is simple and quick in operation method, saves time and labor, and greatly reduces the working intensity of medical personnel; an operator only needs to manually and respectively place the injection bottle and the syringe into the injection bottle storage and transportation device and the syringe storage and transportation device to finish feeding, then manually pull the handle 73 to the right part of the storage bin 71, and after the handle is loosened, the bottle pushing mechanism starts to automatically push the injection bottle in the storage bin to move left; the automatic medicine charging machine for vaccine injection disclosed by the invention can automatically and batched inject to automatically extract liquid medicine from an injection bottle, so that the automatic medicine charging of the inject is realized, an operator opens the material taking door 1011 of the inject, the inject after automatic medicine charging is taken out, and the inoculation crowd directly inoculates the vaccine, so that the inoculation efficiency of the vaccine is greatly improved, and the requirement of concentrated injection of the vaccine by large-scale crowd can be met.

The automatic medicine filling machine for vaccine injection can realize automatic liquid pumping of the injector from the injection bottle; the injection bottle moving unit and the uncapping unit are arranged to realize the automatic uncapping of the bottle cap of the injection bottle, the automatic uncapping operation of the protective cap of the injector and the relative movement of the injection bottle to the injector and the insertion of the injection bottle on the needle head; the arrangement of the liquid extracting unit can realize that the injector can automatically extract liquid medicine from the injection bottle; compared with the prior art in which medical staff manually carry out liquid medicine pumping and charging operation, the automatic medicine charging machine for vaccine injection can complete a large batch of automatic liquid medicine pumping tasks of vaccines, greatly reduces the labor intensity and the working time of the medical staff, improves the injection efficiency of the vaccines, and can meet the requirement of concentrated vaccine injection for large-scale crowds.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides a bacterin is automatic medicine-filling machine for injection, includes the box, its characterized in that: the box body is internally provided with a storage and transportation device for injection bottles, a storage and transportation device for injectors and an automatic liquid pumping device for injectors; the storage and transportation device for the injection bottles comprises a storage bin, wherein the storage bin is used for storing the injection bottles; a bottle pushing mechanism is arranged on the side of the storage bin and used for pushing the injection bottles to move so as to realize the transportation of the injection bottles;

the storage and transportation device for the syringe comprises a storage mechanism, wherein the storage mechanism is used for storing the syringe; the storage mechanism comprises a clamping structure, and the injector is clamped on the clamping structure; a transportation mechanism is arranged on the side of the clamping structure, is connected with the transmission mechanism and is used for transferring the syringe to realize transportation of the syringe;

the automatic liquid extracting device for the syringe comprises an injection bottle moving unit, a uncapping unit and a liquid extracting unit, wherein the syringe is transported to the lower part of the uncapping unit by the transporting mechanism, and the liquid extracting unit is positioned on the side of the syringe; the injection bottle moving unit and the cap removing unit are arranged on the first lifting unit, the first lifting unit drives the injection bottle moving unit to move, then the bottle pushing mechanism pushes the injection bottle into the injection bottle moving unit, and the first lifting unit drives the cap removing unit to move and remove the protective cap of the syringe; the injection bottle moving unit drives the injection bottle to move to the upper part of the injector, and the first lifting unit drives the injection bottle moving unit to move so as to insert the injection bottle on the needle head of the injector; the liquid pumping unit is arranged on the second lifting unit, and the second lifting unit is used for driving the liquid pumping unit to pull the syringe push handle to realize automatic liquid pumping;

the second opening clamping shaft is arranged below the first opening clamping shaft, a second lining sleeve is arranged on the outer side of the second opening clamping shaft, the second lining sleeve penetrates through the first lifting unit, and the second opening clamping shaft can slide in the second lining sleeve in the front-back direction;

2. The automatic medicine-filling machine for vaccine injection according to claim 1, characterized in that: the bottle pushing mechanism comprises a push rod, a moving block and a bottle pushing spring, the push rod is rotatably connected to one side of the moving block, and the other side of the moving block is connected with the bottle pushing spring; the push rod pushes the injection bottle to move under the action of the bottle pushing spring;

the end part of the storage bin is provided with a cap removing structure, the cap removing structure comprises a cap removing bayonet, and two contact surfaces with height difference are arranged at the cap removing bayonet.

3. The automatic medicine-filling machine for vaccine injection according to claim 1, characterized in that: the clamping structure comprises an upper chuck and a lower chuck, and the upper chuck is connected with the lower chuck through a chuck rotating shaft; the upper chuck and the lower chuck are respectively provided with a chuck clamping groove corresponding to the position, and the injector is clamped in the chuck clamping groove;

the conveying mechanism comprises a shifting structure, the shifting structure comprises an upper shifting wheel and a lower shifting wheel, and the upper shifting wheel is connected with the lower shifting wheel through a shifting wheel rotating shaft; the upper dial wheel and the lower dial wheel are respectively provided with a dial wheel clamping groove corresponding to each other in position, and the dial structure rotates to drive the dial wheel clamping grooves to be clamped on the injector to transfer the injector;

the transmission mechanism further comprises a magnet A, a magnetic ring frame and a magnet B, the magnetic ring frame is arranged on both the upper chuck and the lower chuck, and the magnet B is arranged on the magnetic ring frame; and the upper thumb wheel and the lower thumb wheel are both provided with a magnet A matched with the magnet B.

4. The automatic medicine feeder for vaccine injection according to claim 3, characterized in that: the outer side of the shifting structure is provided with a loose cap structure, the loose cap structure comprises an upper guide rail and a lower guide rail, and the upper guide rail and the lower guide rail are respectively arranged on the outer sides of the upper shifting wheel and the lower shifting wheel.

5. The automatic medicine-filling machine for vaccine injection according to claim 1, characterized in that: the injection bottle moving unit comprises a moving channel, a moving frame and a tension spring, and the tension spring is connected with the moving frame and used for driving the moving frame to move; the moving frame is provided with a push claw which can extend into the moving channel to push the injection bottle to move;

the injection bottle moving unit further comprises a shell and a push claw base body, and the shell is arranged at the top of the first lifting unit; the moving channel penetrates through the shell along the left and right directions and is used for accommodating the injection bottle;

the push claw base body is arranged in the shell and behind the moving channel, and can slide in the shell along the left and right directions;

the movable frame is covered on the outer side of the top of the shell, and the lower end of the rear side of the movable frame is fixedly connected with the push claw base body; the lower end of the front side of the moving frame and the pushing claw base body are both connected with the pushing claw, and a pushing claw one-way torsion spring is arranged on the pushing claw.

6. The automatic medicine-filling machine for vaccine injection according to claim 1, characterized in that: a claw seat plate is arranged on the side of the first clamping shaft and fixedly arranged on the first lifting unit, and a protective cap accommodating through hole is formed in the front of the claw seat plate;

7. The automatic medicine feeder for vaccine injection according to claim 6, characterized in that: the cam structure comprises a cam, a rotation limiting block and a limiting screw, the cam is connected with the rotation limiting block through a rotation shaft, the limiting screw is matched with the rotation limiting block to limit the rotation position of the cam, and the cam is matched with the roller to control the moving position of the clamping shaft opening mechanism.

8. The automatic medicine feeder for vaccine injection according to claim 1, characterized in that: the liquid pumping unit comprises a liquid pumping clamp, a vertical plate and a liquid pumping track plate, the liquid pumping track plate is fixedly arranged on the upper part of the front side wall of the vertical plate, and the upper part of the liquid pumping track plate is provided with an inclined guide surface;

the liquid pumping clamp comprises a clamp opening, a clamp main body and a position adjusting wheel, the clamp opening is arranged at the upper part of the clamp main body, and the left part of the clamp main body is hinged to the top of the second lifting unit through a first pin shaft; the first pin shaft is sleeved with a liquid pumping one-way torsion spring;

the right part of the clamp main body is provided with a groove, the groove is hinged with a swing arm through a second pin shaft, and the other end of the swing arm is connected with a position adjusting wheel.

9. An operating method of the automatic medicine feeder for vaccine injection according to claim 1, characterized in that: the method comprises the following steps:

putting the injection bottle into a storage bin to realize the feeding of the injection bottle; the bottle pushing spring drives the moving block to move, the moving block drives the push rod to move synchronously, and the push rod pushes the injection bottle in the storage bin to move;

putting the injector into a clamping structure of a storage mechanism to realize the feeding of the injector; the upper thumb wheel and the lower thumb wheel are respectively provided with magnets A which are arranged around the circle centers of the upper thumb wheel and the lower thumb wheel at intervals in radian at equal intervals, and the positions of the magnets A fixedly arranged on the upper thumb wheel and the lower thumb wheel are corresponding to each other; the upper chuck and the lower chuck are both provided with magnetic ring frames concentric with the upper chuck and the lower chuck, the magnetic ring frames are provided with magnets B matched with the magnets A, and the magnets B are arranged around the circle center of the magnetic ring frames at intervals in radian;

when the vacancy area of the clamping structure corresponds to the position of the track inlet of the loose cap structure, the motor is started to drive the shifting structure to rotate, the magnet A on the shifting structure synchronously moves along with the shifting structure, the magnet A moves to attract the magnet B, the clamping structure starts to rotate under the action of magnetic force between the magnet A and the magnet B, the synchronous motion of the clamping structure and the shifting structure is realized through magnetic transmission, the clamping structure rotates to drive the vacancy area to move away, the injector on the clamping structure moves to correspond to the track inlet of the loose cap structure, the injector is clamped in the chuck clamping groove of the clamping structure at the moment, the injector is taken away from the clamping structure along with the rotation of the shifting structure, the injector enters the loose cap structure through the track inlet under the drive of the shifting structure, and the loose cap structure loosens the injector; the stirring structure rotates to continuously drive the injector with the loosened cap to move to a liquid drawing level;

the first lifting unit is reversed to drive the injection bottle moving unit to move downwards, and the injection bottle moving unit drives the injection bottle to move downwards and be inserted on the needle head of the injector;

s5, automatic liquid extraction of the syringe:

s6, automatic exhaust of the injector:

the side of the liquid pumping unit is provided with an elastic needle unit, and the elastic needle unit starts to flick the needle cylinder of the injector and flicks down the bubbles attached to the inner wall of the needle cylinder of the injector; the second lifting unit moves upwards after reversing, and the second lifting unit moves upwards to push the syringe push handle to discharge air in the syringe;

s7, taking out the syringe after automatic medicine charging:

the poking structure continues to rotate to drive the syringe after automatic charging to move, and the syringe after automatic charging is conveyed to the track outlet of the loose cap structure and then taken away.