CN117260615A - A syringe piston retractor assembly device - Google Patents

Abstract

The invention discloses a syringe piston retractor assembly device, which belongs to the technical field of medical device auxiliary devices and includes a base frame, a material transfer device, a clamping device, a clamping claw and an annular workbench; a piston feeding mechanism is installed at the left end of the base frame. An assembly mechanism is installed at the front end of the base frame; the clamping and material-moving mechanism includes a clamping component and an unlocking component. Multiple sets of clamping components are fixedly connected to the annular workbench in a circular array, and two sets of unlocking components are symmetrically connected to the base frame. . Through the above method, the syringe piston retractor assembly device realizes the connection between the piston and retractor assembly operations through the cooperation of the annular workbench and the clamping and material transfer mechanism, greatly improving the assembly efficiency and reducing the workload of medical staff; Under the joint action of the clamping component and the unlocking component, the workpiece is quickly clamped, fixed and released, ensuring the smooth progress of the assembly work; the assembly work can be completed conveniently and quickly through the assembly mechanism.

Description

A syringe piston retractor assembly device

Technical field

The invention relates to the technical field of medical device auxiliary devices, and in particular to a syringe piston retractor assembly device.

Background technique

A syringe is a commonly used medical device used to inject drugs or liquids into human tissue or organs. It consists of syringe barrel, piston, needle and retractor. The piston is used to push the medicine or liquid out of the barrel, and the hook is used to fix or lock the piston to prevent accidental leakage or overflow of the medicine during transportation or storage. When the retractor is pulled up, the piston is secured within the syringe barrel, preventing the flow of medication.

In the medical field, because syringes are used in large quantities and the assembly of the piston and the retractor of the syringe is relatively cumbersome, the work of assembling the piston and the retractor often takes up the time of medical personnel and affects the progress of other work.

Based on this, the present invention designs a syringe piston retractor assembly device to solve the above problems.

Contents of the invention

In view of the above-mentioned shortcomings of the prior art, the present invention provides a syringe piston retractor assembly device.

In order to achieve the above objectives, the present invention is achieved through the following technical solutions:

A syringe piston retractor assembly device includes a base frame, a material moving device, a clamping device, a clamping claw and an annular workbench;

A clamping and material transfer mechanism is installed on the annular workbench. A set of material transfer devices, clamping devices and clamping claws are installed on the left and right ends of the base frame. A piston feeding mechanism is installed on the left end of the base frame. The front end of the base frame An assembly mechanism is installed, and the clamping device is fixedly connected to the clamping jaw;

The clamping and material-moving mechanism includes a clamping component and an unlocking component. Multiple sets of clamping components are fixedly connected to the annular workbench in a circular array, and two sets of unlocking components are symmetrically connected to the base frame.

Furthermore, the piston feeding mechanism includes a linear feeding device, a visual monitoring device, a bracket, an annular chute, an adjustment turntable and an adjustment motor. The linear feeding device is installed on the left end of the base frame, and the bracket is connected to the base frame. The bracket is fixedly connected. The upper and lower ends of the bracket are respectively fixed with an annular chute and an adjustment motor. The adjustment turntable is set in the annular chute. The output end of the adjustment motor is fixedly connected with the adjustment turntable. The visual monitoring device is fixedly installed. Align the adjustment turntable on the bracket of the material transfer device, and align the discharge port of the linear feeding device with the annular chute.

Furthermore, the clamping assembly includes a fixed block, a movable block, a clamping spring, a sliding shaft, a clamping head, a piston limiting groove, a mold table, a piston positioning groove and a piston positioning block. The two fixed blocks work with an annular The table is fixedly connected, the movable block is limited and slidingly connected to the fixed block, one end of the sliding shaft is fixedly connected to the movable block, the other end of the sliding shaft is limited slidingly connected to the fixed block, and a clamping spring is fixedly installed between the fixed block and the movable block , a clamping head is fixedly installed at the close end of the two movable blocks, and the clamping head is provided with a piston limiting groove. A mold table is fixedly connected to the annular worktable between the two fixed blocks, and a piston positioning is provided on the mold table. groove, and a piston positioning block is fixedly installed in the piston positioning groove.

Furthermore, the piston limiting groove, the piston positioning groove and the piston positioning block are configured to be used in conjunction with the piston.

Furthermore, the unlocking assembly includes an unlocking cylinder, an unlocking claw, a fixed rod and a rotating sliding sleeve. The unlocking cylinder is fixedly connected to the annular workbench, the output end of the unlocking cylinder is fixedly connected to the unlocking claw, and the rotating sliding sleeve is rotationally connected to the fixed rod. .

Furthermore, a fixed rod is fixedly installed on the upper end of the movable block.

Furthermore, the assembly mechanism includes an assembly component, a hook limiting slot, a bilateral conveying device, a hook mold, a hook positioning slot, a clamping device and a clamping claw. The bilateral conveying device is fixedly installed on the front end of the base frame, and the bilateral conveying device There are multiple retractor molds symmetrically fixed on the two conveyor belts, and the retractor molds are provided with retractor positioning slots for use with the retractors.

Furthermore, the assembly assembly includes a first fixed frame, a second fixed frame, a driving motor, a driving screw, a fixed sliding rod, a slide block, a lifting cylinder, an L-shaped connecting lever and a limiting sliding rod. The upper and lower ends are fixedly connected to the second fixed frame and the base frame respectively; two fixed sliding rods are fixedly installed between the second fixed frames, and are rotationally connected to the driving screw through bearings; the driving motor is fixedly installed on the second fixed frame. The output end of the driving motor is fixedly connected to the driving screw; the slider is threadedly connected to the driving screw through a threaded sleeve, and is slidingly connected to the fixed slider limiter; the slider is fixedly connected to the lifting cylinder through a connecting plate, and the output end of the lifting cylinder passes through L The L-shaped connecting wrench is fixedly connected to the clamping device, and the limit sliding rods are symmetrically fixed on both sides of the lifting cylinder. The limiting sliding rods are slidingly connected to the L-shaped connecting wrench limit. The clamping claws of the assembly mechanism are equipped with retractors for use with the retractors. Limit slot.

beneficial effects

The syringe piston retractor assembly device realizes the connection between the piston and retractor assembly operations through the cooperation of the annular workbench and the clamping and material transfer mechanism, greatly improving the assembly efficiency and reducing the workload of medical staff; through the piston loading The mechanism can adjust the direction of the piston during the piston loading process to facilitate the next assembly operation. Under the joint action of the clamping component and the unlocking component, the workpiece can be quickly clamped, fixed and released, and ensures that the workpiece is transferred during the transfer process. During the positioning process, the position of the workpiece does not shift, ensuring the smooth progress of the assembly work; the assembly work of the piston and the hook can be completed conveniently and quickly through the assembly mechanism.

Description of the drawings

In order to more clearly explain the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to describe the embodiments or the prior art will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the present invention. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without exerting creative efforts.

Figure 1 is a perspective view of the main structure of a syringe piston retractor assembly device of the present invention;

Figure 2 is a structural front view of a syringe piston retractor assembly device of the present invention;

Figure 3 is a right view of the structure of a syringe piston retractor assembly device according to the present invention;

Figure 4 is a second perspective view of the main structure of a syringe piston retractor assembly device according to the present invention;

Figure 5 is an enlarged view of point A in Figure 1;

Figure 6 is a schematic structural diagram of the retractor mold of a syringe piston retractor assembly device of the present invention;

Figure 7 is an enlarged view of point B in Figure 4.

The labels in the figure represent respectively:

1. Base frame; 2. Clamping and material transfer mechanism; 21. Clamping assembly; 211. Fixed block; 212. Movable block; 213. Clamping spring; 214. Sliding shaft; 215. Clamping head; 216. Piston limit Position groove; 217. Mold table; 218. Piston positioning groove; 219. Piston positioning block; 22. Unlocking component; 221. Unlocking cylinder; 222. Unlocking claw; 223. Fixed rod; 224. Rotating sliding sleeve; 3. Piston upper Material mechanism; 31. Linear feeding device; 32. Visual monitoring device; 33. Bracket; 34. Annular chute; 35. Adjustment turntable; 36. Adjustment motor; 4. Assembly mechanism; 41. Assembly components; 411 , first fixed frame; 412, second fixed frame; 413, driving motor; 414, driving screw; 415, fixed slide rod; 416, slide block; 417, lifting cylinder; 418, L-type connecting lever; 419, limit Sliding rod; 42. Retractor limit groove; 43. Bilateral conveying device; 44. Retractor mold; 45. Retractor positioning groove; 5. Material transfer device; 6. Clamping device; 7. Clamp; 8. Ring workbench.

Detailed ways

In order to make the purpose, technical solutions and advantages of the embodiments of the present invention more clear, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are some, but not all, of the embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without making creative efforts fall within the scope of protection of the present invention.

The present invention will be further described below in conjunction with examples.

In some embodiments, please refer to Figures 1-7 of the description, a syringe piston retractor assembly device includes a base frame 1, a material transfer device 5, a clamping device 6, a clamping claw 7 and an annular workbench 8;

A clamping and material transfer mechanism 2 is installed on the annular workbench 8. A set of material transfer devices 5, clamping devices 6 and clamping claws 7 are respectively installed at the left and right ends of the base frame 1. A piston feeding mechanism is installed at the left end of the base frame 1 3. The assembly mechanism 4 is installed on the front end of the base frame 1, and the clamping device 6 is fixedly connected to the clamping jaw 7;

The clamping and moving mechanism 2 includes a clamping component 21 and an unlocking component 22. Multiple sets of clamping components 21 are fixedly connected to the annular workbench 8 in a circular array, and two sets of unlocking components 22 are symmetrically connected to the base frame 1;

When the syringe piston retractor assembly device is working normally, the left end, front end and right end of the annular workbench 8 are the loading station, assembly station and unloading station respectively. The piston loading mechanism 3 moves the piston to the base frame 1 and then adjusts it. The piston faces. At this time, the unlocking component 22 of the loading station opens the clamping component 21. The material transfer device 5, the clamping device 6 and the clamping jaw 7 work together to send the piston to the clamping component 21. The unlocking component 22 is reset so that The clamping assembly 21 clamps the piston, and then the servo motor drives the annular workbench 8 to rotate and sends the workpiece to the assembly station. The assembly mechanism 4 moves the hook above the clamped piston through the clamping device 6 and the clamping claw 7. And carry out the assembly work of the piston and the hook. After the assembly is completed, the servo motor drives the annular workbench 8 to rotate, and the finished materials are sent to the unloading station. The unlocking component 22 is started to open the clamping component 21 to release the finished parts. The material transfer device 5. The clamping device 6 and the clamping jaw 7 work together to send the finished parts into the blanking channel to complete the assembly process.

The syringe piston retractor assembly device realizes the connection of the piston and retractor assembly operations through the cooperation of the annular workbench 8 and the clamping and material transfer mechanism 2, greatly improving the assembly efficiency and reducing the work burden of medical staff; through the piston The loading mechanism 3 can adjust the direction of the piston during the loading process of the piston to facilitate the next assembly operation. Under the joint action of the clamping component 21 and the unlocking component 22, the workpiece can be quickly clamped, fixed and released, and This ensures that the position of the workpiece does not shift during the transfer of the work station, ensuring the smooth progress of the assembly work; the assembly work of the piston and the hook can be completed conveniently and quickly through the assembly mechanism 4.

The piston feeding mechanism 3 includes a linear feeding device 31, a visual monitoring device 32, a bracket 33, an annular chute 34, an adjusting turntable 35 and an adjusting motor 36. The linear feeding device 31 is installed on the left end of the base frame 1. The frame 33 is fixedly connected to the base frame 1. The upper and lower ends of the bracket 33 are respectively fixed with an annular chute 34 and an adjustment motor 36. The adjustment turntable 35 is arranged in the annular chute 34. The output end of the adjustment motor 36 is connected to the annular chute 34. The adjustment turntable 35 is fixedly connected, the visual monitoring device 32 is fixedly installed on the bracket of the material transfer device 5 and aligned with the adjustment turntable 35, and the discharge port of the linear feeding device 31 is aligned with the annular chute 34;

In the present invention, when the piston loading mechanism 3 is working normally, the piston moves to the top of the bracket 33 through the linear loading device 31 and slides down to the adjustment turntable 35 in the annular chute 34. The visual monitoring device 32 monitors the direction of the piston. , and the adjustment motor 36 drives the adjustment turntable 35 to rotate to adjust the piston, so as to facilitate the next step of placing the piston on the mold of the clamping assembly 21, so that the hook can correspond to the slot position of the piston during the assembly station. , to complete the assembly of the piston and hook normally.

The clamping assembly 21 includes a fixed block 211, a movable block 212, a clamping spring 213, a sliding shaft 214, a clamping head 215, a piston limiting groove 216, a mold table 217, a piston positioning groove 218 and a piston positioning block 219. Two fixed The block 211 is fixedly connected to the annular workbench 8, the movable block 212 is connected to the fixed block 211 for a limited sliding connection, one end of the sliding shaft 214 is fixedly connected to the movable block 212, and the other end of the sliding shaft 214 is connected to a limited sliding connection for the fixed block 211. A clamping spring 213 is fixedly installed between the block 211 and the movable block 212. A clamping head 215 is fixedly installed at the close end of the two movable blocks 212. The clamping head 215 has a piston limiting groove 216. The two fixed blocks 211 There is a mold table 217 fixedly connected to the annular workbench 8. The mold table 217 is provided with a piston positioning groove 218. A piston positioning block 219 is fixedly installed in the piston positioning groove 218. The piston limiting groove 216, the piston positioning groove 218 and the The piston positioning block 219 is used in conjunction with the piston;

The unlocking component 22 includes an unlocking cylinder 221, an unlocking claw 222, a fixed rod 223 and a rotating sliding sleeve 224. The unlocking cylinder 221 is fixedly connected to the annular workbench 8, the output end of the unlocking cylinder 221 is fixedly connected to the unlocking claw 222, and the upper end of the movable block 212 A fixed rod 223 is fixedly installed, and the rotating sliding sleeve 224 is rotationally connected to the fixed rod 223;

In the present invention, when the clamping and transferring mechanism 2 is working normally, at the loading station, the unlocking cylinder 221 is started to drive the unlocking claw 222 to move. After the unlocking claw 222 contacts the rotating sliding sleeve 224, the movable block 212 is pushed through the fixed rod 223. Open, and rotate the sliding sleeve 224 around the fixed rod 223 during the pushing process to reduce the wear and friction resistance of the unlocking claw 222. The sliding shaft 214 and the fixed block 211 limit the moving direction of the movable block 212, and the movable block 212 drives the clamping head 215 to move. , the clamping spring 213 is compressed, and then the material transfer device 5, the clamping device 6 and the clamping jaw 7 work together to transfer the piston from the adjustment turntable 35 to the mold table 217, and the piston falls into the piston positioning groove 218 to position the piston Block 219 is plugged in; starting the unlocking cylinder 221 drives the unlocking pawl 222 to reset, and the clamping spring 213 resets to drive the movable block 212 and the clamping head 215 to move, and clamps the piston through the clamping head 215 and the piston limit groove 216 to fix the piston. position; through the cooperation of the clamping component 21 and the unlocking component 22, the piston can be easily clamped and fixed, and during the transfer process, the piston is tightly fixed without deflection, so that the piston can be smoothly moved. and hook assembly work.

The assembly mechanism 4 includes an assembly component 41, a hook limiting slot 42, a bilateral conveying device 43, a hook mold 44, a hook positioning slot 45, a clamping device 6 and a clamping claw 7. The bilateral conveying device 43 is fixedly installed at the front end of the base frame 1. A plurality of hook molds 44 are installed symmetrically and fixedly on the two conveyor belts on the bilateral conveyor device 43, and the hook molds 44 are provided with hook positioning slots 45 for use with the hooks;

The assembly assembly 41 includes a first fixed frame 411, a second fixed frame 412, a driving motor 413, a driving screw 414, a fixed sliding rod 415, a sliding block 416, a lifting cylinder 417, an L-shaped connecting lever 418 and a limiting sliding rod 419. The upper and lower ends of a fixed frame 411 are fixedly connected to the second fixed frame 412 and the base frame 1 respectively; two fixed sliding rods 415 are fixedly installed between the second fixed frames 412, and are rotationally connected to the driving screw 414 through bearings; driving The motor 413 is fixedly installed on the second fixed frame 412, and the output end of the driving motor 413 is fixedly connected to the driving screw 414; the slider 416 is threadedly connected to the driving screw 414 through a threaded sleeve, and is connected to the fixed sliding rod 415 for a limited sliding connection. The block 416 is fixedly connected to the lifting cylinder 417 through a connecting plate. The output end of the lifting cylinder 417 is fixedly connected to the clamping device 6 through an L-shaped connecting lever 418. Limiting sliding rods 419 are symmetrically fixed on both sides of the lifting cylinder 417. The rod 419 is connected slidingly with the L-shaped connecting lever 418; the clamping jaw 7 of the assembly mechanism 4 is provided with a drawhook limit slot 42 for use with the drawhook;

In the present invention, when the assembly mechanism 4 is working normally, at the assembly station, the hook is installed in the hook positioning groove 45 of the hook mold 44 by the staff, and moves toward the assembly station through the bilateral conveying device 43. When the workpiece moves When it reaches the lower part of the clamping device 6 and the clamping jaw 7 of the assembly mechanism 4, the lifting cylinder 417 drives the clamping device 6 and the clamping jaw 7 to move vertically downward through the L-shaped connecting lever 418 under the limiting action of the limiting slide rod 419. And the retractor is clamped, and the retractor is limited by the retractor limit groove 42 and the protrusion in the retractor limit groove 42; the lifting cylinder 417 drives the clamping device 6 and the clamping claw 7 to reset through the L-shaped connecting lever 418, and is driven by the driving motor 413 The driving screw 414 rotates, and the slide block 416 is driven to move horizontally by the driving screw 414 under the limiting effect of the fixed sliding rod 415. The clamping device 6 and the clamping jaw 7 are moved to the assembly station, and the cooperation of the lifting cylinder 417 is completed. The assembly work of the piston and the draw hook; through the cooperation of the bilateral conveying device 43, the draw hook mold 44 and the draw hook positioning groove 45, the feeding operation of the draw hook is greatly facilitated, and the limit function of the draw hook limit groove 42 and the draw hook positioning groove 45 is down, ensuring the orientation of the hook so that the hook can correspond to the assembly position of the piston, and the assembly operation can be carried out smoothly.

The above embodiments are only used to illustrate the technical solutions of the present invention, but not to limit them; although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that they can still modify the technical solutions of the foregoing embodiments. Modifications may be made to the recorded technical solutions, or equivalent substitutions may be made to some of the technical features; however, these modifications or substitutions will not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of each embodiment of the present invention.

Claims (8)

1. A syringe piston retractor assembly device, including a base frame (1), a material transfer device (5), a clamping device (6), a clamping claw (7) and an annular workbench (8), which is characterized by: A clamping and material transfer mechanism (2) is installed on the annular workbench (8), and a set of material transfer devices (5), clamping devices (6) and clamping claws (2) are respectively installed on the left and right ends of the base frame (1). 7), a piston feeding mechanism (3) is installed on the left end of the base frame (1), an assembly mechanism (4) is installed on the front end of the base frame (1), and the clamping device (6) is fixedly connected to the clamping jaw (7); The clamping and material-moving mechanism (2) includes a clamping component (21) and an unlocking component (22). Multiple sets of clamping components (21) are fixedly connected to the annular workbench (8) in a circular array, and two sets of unlocking components (21) are fixedly connected to the annular workbench (8). 22) The left and right sides are symmetrically fixedly connected to the base frame (1). 2. The syringe piston retractor assembly device according to claim 1, characterized in that the piston feeding mechanism (3) includes a linear feeding device (31), a visual monitoring device (32), a bracket (33), The annular chute (34), the adjustment turntable (35) and the adjustment motor (36), the linear feeding device (31) are installed on the left end of the base frame (1), and the bracket (33) is fixed to the base frame (1) connection, the upper and lower ends of the bracket (33) are respectively fixed with an annular chute (34) and an adjustment motor (36). The adjustment turntable (35) is set in the annular chute (34), and the adjustment motor (36) ) is fixedly connected to the adjustment turntable (35). The visual monitoring device (32) is fixedly installed on the bracket of the material transfer device (5) and aligned with the adjustment turntable (35). The linear feeding device (31) The discharge port is aligned with the annular chute (34). 3. The syringe piston retractor assembly device according to claim 1, characterized in that the clamping assembly (21) includes a fixed block (211), a movable block (212), a clamping spring (213), a sliding shaft ( 214), clamping head (215), piston limiting groove (216), mold table (217), piston positioning groove (218) and piston positioning block (219), two fixed blocks (211) and annular workbench (214). 8) Fixed connection, the movable block (212) is limited and slidingly connected to the fixed block (211), one end of the sliding shaft (214) is fixedly connected to the movable block (212), and the other end of the sliding shaft (214) is connected to the fixed block (211) ) limit sliding connection, a clamping spring (213) is fixedly installed between the fixed block (211) and the movable block (212), and a clamping head (215) is fixedly installed at the close end of the two movable blocks (212), The clamping head (215) is provided with a piston limiting groove (216). A mold table (217) is provided between the two fixed blocks (211) and is fixedly connected to the annular workbench (8). The mold table (217) is provided with a piston limiting groove (216). The piston positioning groove (218) has a piston positioning block (219) fixedly installed in the piston positioning groove (218). 4. The syringe piston retractor assembly device according to claim 3, characterized in that the piston limiting groove (216), the piston positioning groove (218) and the piston positioning block (219) are configured to be used in conjunction with the piston. 5. The syringe piston retractor assembly device according to claim 3, characterized in that the unlocking assembly (22) includes an unlocking cylinder (221), an unlocking claw (222), a fixed rod (223) and a rotating sliding sleeve (224). ), the unlocking cylinder (221) is fixedly connected to the annular workbench (8), the output end of the unlocking cylinder (221) is fixedly connected to the unlocking claw (222), and the rotating sliding sleeve (224) is rotationally connected to the fixed rod (223). 6. The syringe piston retractor assembly device according to claim 5, characterized in that a fixed rod (223) is fixedly installed on the upper end of the movable block (212). 7. The syringe piston retractor assembly device according to claim 1, characterized in that the assembly mechanism (4) includes an assembly assembly (41), a retractor limit groove (42), a bilateral conveying device (43), and a retractor mold. (44), hook positioning groove (45), clamping device (6) and clamping claw (7). The bilateral conveying device (43) is fixedly installed on the front end of the base frame (1). The two sides of the bilateral conveying device (43) A plurality of hook molds (44) are installed symmetrically and fixedly on the conveyor belt, and the hook molds (44) are provided with hook positioning grooves (45) used in conjunction with the hooks. 8. The syringe piston retractor assembly device according to claim 7, characterized in that the assembly assembly (41) includes a first fixing frame (411), a second fixing frame (412), a driving motor (413), a driving The screw (414), fixed sliding rod (415), slider (416), lifting cylinder (417), L-shaped connecting lever (418) and limit sliding rod (419), the upper and lower parts of the first fixed frame (411) The ends are fixedly connected to the second fixed frame (412) and the base frame (1) respectively; two fixed sliding rods (415) are fixedly installed between the second fixed frame (412), and rotate through the bearing and the driving screw (414). Connection; the driving motor (413) is fixedly installed on the second fixed frame (412), and the output end of the driving motor (413) is fixedly connected to the driving screw (414); the slider (416) is connected to the driving screw (414) through a threaded sleeve Threaded connection, and limited sliding connection with the fixed slide rod (415), the slide block (416) is fixedly connected with the lifting cylinder (417) through the connecting plate, and the output end of the lifting cylinder (417) is connected with the L-shaped connecting lever (418) The clamping device (6) is fixedly connected, and the limit slide rod (419) is symmetrically fixed and installed on both sides of the lifting cylinder (417). The limit slide rod (419) is connected with the L-shaped connecting lever (418) in a limit sliding manner; assembly mechanism The clamping jaw (7) of (4) is provided with a hook limiting groove (42) used in conjunction with the hook.