A pre-filled syringe rubber cap spraying device

Abstract

This invention relates to the field of rubber cap spraying technology, and discloses a pre-filled syringe rubber cap spraying device, including a base, a holding mechanism, and a spraying mechanism. The holding mechanism includes a guide post disposed at the end of the base, a lifting seat slidably connected to the middle of the guide post, a placement groove disposed on the side of the lifting seat near the center of the base, and a Z-shaped base plate at the bottom of the placement groove. The spraying mechanism is disposed at the end of the base away from the holding mechanism, and includes a support plate fixedly connected to the base, a guide rod disposed on the side of the support plate near the center of the base, a sliding seat slidably connected to the middle of the guide rod, and a material-taking column that cooperates with the rubber cap on the sliding seat. This invention is applicable to a pre-filled syringe rubber cap spraying device, where the vertically moving placement groove cooperates with the material-taking column and conveyor belt respectively, allowing disordered rubber caps to be inserted into the material-taking column in sequence for spraying processing.

Description

Technical Field

[0001] This invention relates to the field of rubber cap spraying technology, specifically a pre-filled syringe rubber cap spraying device. Background Technology

[0002] Prefilled syringes are a new type of pharmaceutical packaging that serves both as a storage solution and a regular injection solution. They are made of materials with good compatibility and stability and require a rubber cap at the syringe needle to achieve a sealing effect.

[0003] To increase visibility or to add coatings to the surface of rubber caps, rubber caps need to be sprayed after processing. However, rubber caps are small in size, and conventional spraying equipment cannot complete the spraying process for rubber caps in assembly line production. Therefore, it is necessary to set up special rubber cap spraying equipment adapted to assembly line production. Summary of the Invention

[0004] This invention provides a pre-filled syringe rubber cap spraying device, which solves the problems mentioned in the background art.

[0005] To achieve the above objectives, the present invention provides the following technical solution:

[0006] A pre-filled syringe rubber cap spraying device includes a base, a holding mechanism, and a spraying mechanism;

[0007] The holding mechanism includes a guide column at the end of the base, a lifting seat slidably connected to the middle of the guide column, a placement groove on the side of the lifting seat near the center of the base, a Z-shaped base plate at the bottom of the placement groove, the end of the Z-shaped base plate near the center of the base being higher than the end of the Z-shaped base plate away from the center of the base, a sliding groove in the middle of the Z-shaped base plate, a rubber cap with a retaining edge on the sliding groove, and a conveyor belt rotatably connected to the base to cooperate with the Z-shaped base plate.

[0008] The spraying mechanism is located at the end of the base away from the holding mechanism. It includes a support plate fixedly connected to the base. A guide rod is provided on the side of the support plate near the center of the base. A sliding seat is slidably connected to the middle of the guide rod. A material picking column that cooperates with the rubber cap is provided on the sliding seat. A support column is provided on the side of the base. A spraying head is provided at the end of the support column. A reciprocating drive assembly for driving the sliding seat to move is provided on the support plate.

[0009] As a preferred embodiment of the present invention, a blocking strip is provided at one end of the slide groove near the center of the base.

[0010] As a preferred embodiment of the present invention, a top plate is provided at the end of the guide column, the top plate is rotatably connected to a lifting screw, the middle part of the lifting screw is threadedly connected to a lifting seat, a first drive motor is provided on the top plate, the output shaft of the first drive motor is fixedly connected to a first bevel gear, the first bevel gear meshes with a second bevel gear, and the second bevel gear is fixedly connected to the end of the lifting screw.

[0011] As a preferred embodiment of the present invention, conveyor rollers are provided on both sides of the conveyor belt, and bearing seats that are fixedly connected to the base are rotatably connected to the ends of the conveyor rollers. A second drive motor is provided on one side of the bearing seat, and the output shaft of the second drive motor is fixedly connected to a third bevel gear. The third bevel gear meshes with a fourth bevel gear, and the fourth bevel gear is fixedly connected to the end of the conveyor roller.

[0012] As a preferred embodiment of the present invention, the side of the lifting seat is rotatably connected to the placement groove, the base is provided with a column, and the side of the column is provided with a wedge-shaped stop that cooperates with the placement groove.

[0013] As a preferred embodiment of the present invention, the sliding seat is slidably connected to the sliding rod, a limit plate is provided at the end of the sliding rod away from the base, and a material picking column is fixedly connected at the end of the sliding rod close to the base. A buffer spring is provided between the material picking column and the sliding seat.

[0014] As a preferred embodiment of the present invention, a discharge rod is provided on the side of the support plate near the sliding seat, and a storage box that cooperates with the discharge rod is provided on the support plate.

[0015] As a preferred embodiment of the present invention, the reciprocating drive assembly includes a suspension plate disposed on the side of the support plate, an end of the suspension plate being rotatably connected to a rotating shaft, the rotating shaft being fixedly connected to one end of a deflection plate, the other end of the deflection plate being rotatably connected to one end of a first support rod, the other end of the first support rod being rotatably connected to a slider that is slidably connected to the support plate, the end of the slider being rotatably connected to one end of a second support rod, and the other end of the second support rod being rotatably connected to the side of a sliding seat.

[0016] As a preferred embodiment of the present invention, a third drive motor is provided on the suspension plate, the output shaft of the third drive motor is fixedly connected to a fifth bevel gear, the fifth bevel gear is meshed with a sixth bevel gear, and the sixth bevel gear is fixedly connected to the end of the rotating shaft.

[0017] The present invention has the following advantages:

[0018] This invention relates to a pre-filled syringe rubber cap spraying device. By having an up-and-down movable placement groove that cooperates with a material pick-up column and a conveyor belt, the device allows disordered rubber caps to be inserted into the material pick-up column in sequence for spraying. This enables the entire device to be integrated into a rubber cap production line for continuous rubber cap spraying, thereby improving processing efficiency. Attached Figure Description

[0019] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0020] Figure 1 This is a schematic diagram of a pre-filled syringe rubber cap spraying device.

[0021] Figure 2 This is a front view of a pre-filled syringe rubber cap spraying device.

[0022] Figure 3 This is a schematic diagram of the holding mechanism in a pre-filled syringe rubber cap spraying device.

[0023] Figure 4 This is a schematic diagram of the Z-shaped base plate in a pre-filled syringe rubber cap spraying device.

[0024] Figure 5 This is a schematic diagram of the structure of a pre-filled syringe rubber cap spraying device, showing the cooperation between the placement groove and the wedge-shaped stop.

[0025] Figure 6 This is a schematic diagram of the structure of a pre-filled syringe rubber cap spraying device, showing the interaction between the rubber cap and the conveyor belt.

[0026] Figure 7 This is a schematic diagram of the spraying mechanism in a pre-filled syringe rubber cap spraying device.

[0027] Figure 8 This is a schematic diagram of the spray head in a pre-filled syringe rubber cap spraying device.

[0028] Figure 9 This is a schematic diagram of the reciprocating drive component in a pre-filled syringe rubber cap spraying device.

[0029] Figure 10 This is a schematic diagram of the structure of a pre-filled syringe rubber cap spraying device, showing the cooperation between the rubber cap and the unloading rod.

[0030] In the diagram: 1. Base; 2. Holding mechanism; 3. Spraying mechanism; 4. Top plate; 5. Guide column; 6. Placement slot; 7. Lifting seat; 8. Lifting screw; 9. Second bevel gear; 10. First bevel gear; 11. First drive motor; 12. Conveyor belt; 13. Conveyor roller; 14. Bearing seat; 15. Second drive motor; 16. Third bevel gear; 17. Fourth bevel gear; 18. Column; 19. Wedge-shaped stop; 20. Limiting baffle; 21. Z-shaped base plate; 22. Slide groove; 23. Block. 24. Rubber cap; 25. Support column; 26. Spray head; 27. Support plate; 28. Guide rod; 29. ​​Sliding seat; 30. Reciprocating drive assembly; 31. Storage box; 32. Unloading rod; 33. Picking column; 34. Slider; 35. First support rod; 36. Second support rod; 37. Deflection plate; 38. Sixth bevel gear; 39. Rotating shaft; 40. Fifth bevel gear; 41. Third drive motor; 42. Suspension plate; 43. Buffer spring; 44. Sliding rod; 45. Limiting plate. Detailed Implementation

[0031] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0032] In one embodiment, see Figures 1-10 A pre-filled syringe rubber cap spraying device includes a base 1, a holding mechanism 2 and a spraying mechanism 3;

[0033] The holding mechanism 2 includes guide columns 5 located at the end of the base 1. The base 1 is a horizontally placed flat plate. Guide columns 5 are vertically arranged on the front and rear sides of the left end of the base 1. A lifting seat 7 facing forward and backward is slidably connected above the guide columns 5. A placement groove 6 is provided on the right side of the lifting seat 7. A Z-shaped bottom plate 21 is provided at the bottom of the placement groove 6. Therefore, the placement groove 6 is a container with an opening at the top and right side. The Z-shaped bottom plate 21 includes two horizontal planes, which are connected by an inclined plane. The left plane of the Z-shaped bottom plate 21 is lower than the right plane. A left-right sliding groove 22 is provided in the middle of the Z-shaped bottom plate 21. The upper surface of the left plane of the Z-shaped bottom plate 21 is slightly inclined towards the sliding groove 22, so that the material piled on the left plane of the Z-shaped bottom plate 21 will slide towards the sliding groove 22. In order to reduce the impact of the rubber caps 24 stacking on each other and causing the rubber caps 24 to fall into the sliding groove 22, the number of rubber caps 24 in the placement groove 6 should be as small as possible when adding material. A layer is provided, and a rubber cap 24 can be connected through the slide 22. A blocking strip 23 is provided at the right end of the slide 22 so that the rubber cap 24 will be blocked when it moves to the right side, thus causing the rubber caps 24 to stop tightly against each other on the right side of the slide 22. The front and rear width of the slide 22 is greater than the outer diameter of the rubber cap 24, but a retaining edge is provided at the top of the rubber cap 24. The diameter of this retaining edge is greater than the diameter of the rubber cap 24. Therefore, if the bottom of the rubber cap 24 falls into the slide 22, the rubber cap 24 will be blocked. The cap 24 will pass through the slide 22 until the guard edge falls on both sides of the slide 22. At this time, the slide 22 will support the guard edge of the rubber cap 24. If the top of the rubber cap 24 with the guard edge falls on the slide 22, the rubber cap 24 will be directly stuck. The rubber cap 24 is open at the top, thus achieving the effect of directional selection. A conveyor belt 12 is set on the left side of the upper surface of the base 1. The conveyor belt 12 rotates clockwise and is located directly below the Z-shaped base plate 21.

[0034] The spraying mechanism 3 is located on the right side of the base 1. It includes a support plate 27 vertically mounted on the right end of the base 1. Guide rods 28 facing left and right are provided on the front and rear sides of the upper left side of the support plate 27. A sliding seat 29 is slidably connected to the middle of the guide rods 28. Material-collecting columns 33 are provided on the lower surface of the sliding seat 29. The material-collecting columns 33 are arranged in a row from left to right. When the rubber caps 24 are pressed together, their edges will abut against each other. At this time, the center-to-center distance between the rubber caps 24 is exactly the center-to-center distance between the material-collecting columns 33. The lower end of the material-collecting column 33 is an arc-shaped spherical surface. Therefore, when the placement groove 6 moves upward, the material-collecting column 33 can just insert into the opening above the rubber caps 24, allowing the rubber caps 24 to engage with the material-collecting column 33, vertically mounted on the front and rear sides of the right side of the base 1. A support column 25 is provided, and a spray head 26 is provided at the upper end of the support column 25. The spray head 26 is a flat structure facing left and right, and multiple nozzles are evenly arranged on the side of the spray head 26 near the center of the base 1. When the sliding seat 29 moves to the middle position of the guide rod 28, the rubber cap 24 on the material picking column 33 is located between the two spray heads 26. At this time, the nozzles on the spray head 26 can spray the rubber cap 24. In order to make the rubber cap 24 dry quickly after spraying, a hot air generating device can be provided between two adjacent nozzles. The hot air generating device can blow hot air so that the surface of the rubber cap 24 can dry quickly, which is convenient for subsequent unloading. A reciprocating drive assembly 30 for driving the sliding seat 29 to move is provided on the support plate 27.

[0035] In one embodiment, the upper end of the guide column 5 is fixedly connected to the top plate 4 facing forward and backward. The middle part of the top plate 4 is rotatably connected to the upper part of the lifting screw 8. The lower end of the lifting screw 8 is rotatably connected to the middle of the left end of the base 1. The middle part of the lifting screw 8 is threadedly connected to the lifting seat 7. A first drive motor 11 is provided on the top plate 4. The output shaft of the first drive motor 11 is fixedly connected to the first bevel gear 10. The first bevel gear 10 meshes with the second bevel gear 9. The second bevel gear 9 is fixedly connected to the end of the lifting screw 8.

[0036] In one embodiment, conveyor rollers 13 are provided on both sides of the conveyor belt 12. The conveyor rollers 13 are arranged in a front-to-back orientation at the front and rear ends of the conveyor belt 12. The front and rear ends of the conveyor rollers 13 are rotatably connected to the upper part of the bearing seat 14. The lower end of the bearing seat 14 is fixedly connected to the upper surface of the base 1. A second drive motor 15 is provided on the front side of the left bearing seat 14. The output shaft of the second drive motor 15 is fixedly connected to a third bevel gear 16. The third bevel gear 16 meshes with a fourth bevel gear 17. The fourth bevel gear 17 is fixedly connected to the end of the conveyor roller 13.

[0037] In one embodiment, a rotating seat is provided on the right side of the lifting seat 7, and the rotating seat is rotatably connected to the left end of the placement slot 6. A limiting baffle 20 is provided on the right side of the lower surface of the lifting seat 7. Under the action of gravity, the placement slot 6 will rotate clockwise around the rotating seat. At this time, the left end of the placement slot 6 will contact the limiting baffle 20, and the placement slot 6 will be in a horizontal state. Furthermore, columns 18 are vertically arranged on both the front and rear sides of the middle of the base 1. Multiple wedge-shaped blocks 19 are provided from top to bottom on the left side of the columns 18. The upper left end of 19 is a slope, so when the placement groove 6 moves downward, the right end of the placement groove 6 will be continuously pushed up, causing the placement groove 6 to vibrate. The rubber cap 24 stored inside the placement groove 6 will fall into the slide groove 22 better. In addition, the support column 25 is relatively long, or the support column 25 is made of elastic material. When the placement groove 6 moves upward, when the upper surface of the placement groove 6 contacts the lower surface of the wedge-shaped stop 19, the upper end of the support column 25 will deflect to the right, so that the right end of the placement groove 6 will pass over the wedge-shaped stop 19.

[0038] In one embodiment, the picking column 33 is vertically arranged, and the upper end of the picking column 33 is fixedly connected to a vertically arranged sliding rod 44. The middle part of the sliding rod 44 is slidably connected to a sliding seat 29. A limiting plate 45 is provided at the upper end of the sliding rod 44. A buffer spring 43 is provided between the picking column 33 and the sliding seat 29. The buffer spring 43 is sleeved on the outside of the sliding rod 44. Therefore, when the sliding rod 44 moves downward, if the picking column 33 is not inserted above the vertically arranged rubber cap 24, some rubber caps 24 will be blocked horizontally on the slide groove 22. At this time, the sliding rod 44 will drive the picking column 33 to move upward, and the buffer spring 43 will deform, avoiding the problem of the side of the rubber cap 24 being damaged by the picking column 33.

[0039] In one embodiment, a discharge rod 32 is provided above the left side of the support plate 27. The discharge rod 32 is located on the front and rear sides of the support plate 27. The distance between the two discharge rods 32 is greater than the diameter of the picking column 33, and the distance between the two discharge rods 32 is less than the diameter of the upper end of the rubber cap 24. After the picking column 33 is inserted into the rubber cap 24, there is a certain gap between the upper end of the picking column 33 and the rubber cap 24. The left side of the discharge rod 32 is a horizontal rod, and the right side of the discharge rod 32 is a horizontal rod. The inclined bar is located at the lower right. Therefore, when the picking column 33 moves to the right with the rubber cap 24, the horizontal bar on the left side of the unloading rod 32 is initially above the rubber cap 24. As the rubber cap 24 continues to move to the right, the edge above the rubber cap 24 will contact the inclined bar on the right side of the unloading rod 32. At this time, the unloading rod 32 will push the rubber cap 24 downward. A storage box 31 with an open top is set below the unloading rod 32. After the rubber cap 24 is separated from the picking column 33, it will fall into the storage box 31.

[0040] In one embodiment, the reciprocating drive assembly 30 includes a suspension plate 42 disposed on the upper right side of the support plate 27. The suspension plate 42 has an L-shaped structure, and the right side of the suspension plate 42 is a vertically arranged plate. The lower end of the suspension plate 42 is rotatably connected to the middle of a left-right oriented rotating shaft 39. The left end of the rotating shaft 39 is fixedly connected to one end of a deflection plate 37, and the other end of the deflection plate 37 is rotatably connected to the upper end of a first support rod 35. The lower end of the first support rod 35 is rotatably connected to the middle of the right side of a front-back oriented slider 34. The middle of the slider 34 is slidably connected to the lower part of the support plate 27. The front and rear ends of the slider 34 are rotatably connected to the lower ends of a second support rod 36, and the upper end of the second support rod 36 is rotatably connected to the right side of a sliding seat 29. A third drive motor 41 is disposed in the middle of the suspension plate 42. The output shaft of the third drive motor 41 is fixedly connected to a fifth bevel gear 40. The fifth bevel gear 40 meshes with a sixth bevel gear 38, and the sixth bevel gear 38 is fixedly connected to the end of the rotating shaft 39.

[0041] In this embodiment, the base 1 is first placed stably on the ground or table, and the placement groove 6 is aligned with the discharge end of the rubber cap 24 processing equipment. Alternatively, rubber caps 24 that need to be sprayed are continuously added to the placement groove 6 manually. At this time, the entire device can work normally.

[0042] After the rubber caps 24 fall into the placement trough 6, due to the lower height of the left side of the placement trough 6, the rubber caps 24 will roll to the left side of the placement trough 6, and some rubber caps 24 can be inserted into the slide chute 22 with their openings facing upwards. At this time, the first drive motor 11 and the second drive motor 15 can be started. The second drive motor 15 causes the conveyor belt 12 to rotate clockwise through gear transmission, while the first drive motor 11 causes the lifting seat 7 to move downwards through the lifting screw 8. The lifting seat 7 drives the placement trough 6 to move downwards. During the downward movement, the placement trough 6 will contact the wedge-shaped stop 19, causing the placement trough 6 to vibrate, and more rubber caps 24 will fall into the slide chute 22. When the placement trough 6 reaches the bottom, the first drive motor 11 is stopped. At this time, the rubber caps 24 that have fallen into the slide chute 22 and are in a vertical position are... The bottom of the rubber cap 24 will fall onto the conveyor belt 12. On the one hand, the conveyor belt 12 will slightly lift the rubber cap 24. On the other hand, due to friction, the conveyor belt 12 will carry these vertical rubber caps 24 to the right. When the rubber cap 24 moves to the inclined surface in the middle of the Z-shaped bottom plate 21, the top edge of the rubber cap 24 moves upward with the inclined surface, so that the rubber cap 24 gradually separates from the conveyor belt 12. However, since the conveyor belt 12 will continuously move the rubber cap 24 to the right, the rubber caps 24 will press against each other and continue to move to the right until the rightmost rubber cap 24 presses against the blocking strip 23. At this time, the rubber cap 24 can no longer move. The rubber cap 24 on the left side will slide relative to the bottom conveyor belt 12. At this time, the first drive motor 11 drives the placement trough 6 to move upward.

[0043] After the placement groove 6 moves upward, the picking column 33 located below the sliding seat 29 at the left end of the guide rod 28 is inserted into the rubber cap 24 on the right side of the slide groove 22. Since the rubber cap 24 is in a tight state on the right side of the slide groove 22, the position of the picking column 33 can correspond to the position of the rubber cap 24. Furthermore, since the lower end of the picking column 33 is curved, even if there is a slight misalignment, it can be automatically adjusted. After the picking column 33 is fully inserted into the rubber cap 24, the placement groove 6 can be moved downward again. At this time, the downward movement of the placement groove 6 will repeat the above steps, causing the rubber cap 24 to be inserted into the slide groove 22 and move to the right.

[0044] After the placement slot 6 moves down, the reciprocating drive assembly 30 will drive the sliding seat 29 to move to the right. When the sliding seat 29 moves to the middle of the guide rod 28, it will stop. At this time, the spray head 26 will spray the rubber cap 24. After the spraying is completed, the sliding seat 29 will continue to drive the rubber cap 24 to move to the right. The picking column 33 and the rubber cap 24 will contact the unloading rod 32 on the right. The sprayed rubber cap 24 will fall into the storage box 31. At this time, the reciprocating drive assembly 30 will push the sliding seat 29 to the left end of the guide rod 28 to wait for the empty picking column 33 to be inserted into the rubber cap 24 again. This allows the entire device to continuously spray the rubber cap 24, adapting to the continuous production process of the production line.

[0045] This invention relates to a pre-filled syringe rubber cap spraying device. The vertically movable placement groove 6 cooperates with the material picking column 33 and the conveyor belt 12 respectively, so that the messy rubber caps 24 can be inserted into the material picking column 33 in sequence for spraying. This allows the entire device to be connected to the rubber cap 24 production line for continuous spraying of rubber caps 24, thereby improving processing efficiency.

[0046] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the invention can be implemented in other specific forms without departing from its spirit or essential characteristics. Therefore, the embodiments should be considered in all respects as exemplary and non-limiting, and the scope of the invention is defined by the appended claims rather than the foregoing description. Thus, all variations falling within the meaning and scope of equivalents of the claims are intended to be included within the present invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

Claims

1. A pre-filled syringe rubber cap spraying device, characterized in that, Includes a base, a holding mechanism, and a spraying mechanism; The holding mechanism includes a guide column at the end of the base, a lifting seat slidably connected to the middle of the guide column, a placement groove on the side of the lifting seat near the center of the base, a Z-shaped base plate at the bottom of the placement groove, the end of the Z-shaped base plate near the center of the base being higher than the end of the Z-shaped base plate away from the center of the base, a sliding groove in the middle of the Z-shaped base plate, a rubber cap with a retaining edge on the sliding groove, and a conveyor belt rotatably connected to the base to cooperate with the Z-shaped base plate. The spraying mechanism is located at the end of the base away from the holding mechanism. It includes a support plate fixedly connected to the base. A guide rod is provided on the side of the support plate near the center of the base. A sliding seat is slidably connected to the middle of the guide rod. A material picking column that cooperates with the rubber cap is provided on the sliding seat. A support column is provided on the side of the base. A spraying head is provided at the end of the support column. A reciprocating drive assembly for driving the sliding seat to move is provided on the support plate.

2. The pre-filled syringe rubber cap spraying device according to claim 1, characterized in that, A blocking strip is provided at one end of the slide near the center of the base.

3. The pre-filled syringe rubber cap spraying device according to claim 1, characterized in that, The guide column is provided with a top plate at its end, and the top plate is rotatably connected to a lifting screw. The middle part of the lifting screw is threadedly connected to a lifting seat. The top plate is provided with a first drive motor. The output shaft of the first drive motor is fixedly connected to a first bevel gear. The first bevel gear meshes with a second bevel gear. The second bevel gear is fixedly connected to the end of the lifting screw.

4. The pre-filled syringe rubber cap spraying device according to claim 1, characterized in that, The conveyor belt is provided with conveyor rollers on both sides. The ends of the conveyor rollers are rotatably connected to bearing seats that are fixedly connected to the base. A second drive motor is provided on one side of the bearing seat. The output shaft of the second drive motor is fixedly connected to a third bevel gear. The third bevel gear meshes with a fourth bevel gear. The fourth bevel gear is fixedly connected to the end of the conveyor roller.

5. The pre-filled syringe rubber cap spraying device according to claim 1, characterized in that, The side of the lifting seat is rotatably connected to the placement groove, and the base is provided with a column, the side of which is provided with a wedge-shaped stop that cooperates with the placement groove.

6. The pre-filled syringe rubber cap spraying device according to claim 1, characterized in that, The sliding seat is slidably connected to the sliding rod. A limit plate is provided at the end of the sliding rod away from the base, and a material picking column is fixedly connected at the end of the sliding rod close to the base. A buffer spring is provided between the material picking column and the sliding seat.

7. The pre-filled syringe rubber cap spraying device according to claim 1, characterized in that, The support plate is provided with a discharge rod on the side near the sliding seat, and a storage box that cooperates with the discharge rod is provided on the support plate.

8. The pre-filled syringe rubber cap spraying device according to claim 1, characterized in that, The reciprocating drive assembly includes a suspension plate disposed on the side of the support plate. The end of the suspension plate is rotatably connected to a rotating shaft. The rotating shaft is fixedly connected to one end of a deflection plate. The other end of the deflection plate is rotatably connected to one end of a first support rod. The other end of the first support rod is rotatably connected to a slider that is slidably connected to the support plate. The end of the slider is rotatably connected to one end of a second support rod. The other end of the second support rod is rotatably connected to the side of a sliding seat.

9. A pre-filled syringe rubber cap spraying device according to claim 8, characterized in that, The suspension plate is equipped with a third drive motor. The output shaft of the third drive motor is fixedly connected to a fifth bevel gear. The fifth bevel gear meshes with a sixth bevel gear. The sixth bevel gear is fixedly connected to the end of the rotating shaft.

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