A syringe barrel cap assembly device

Abstract

The utility model discloses a syringe needle cylinder cap assembly device, including machine table and set up on the needle cylinder conveying device of machine table, cap supply device, cap transfer device, screw cap execution device and station conversion device, station conversion device includes the gyration disc that rotates in the horizontal plane, and the gyration disc is symmetrically provided with the cap material receiving station and needle cylinder screw cap station of switchable periphery, screw cap execution device includes the first screw cap device and second screw cap device of same structure and independent work, and they are fixedly installed respectively in cap material receiving station and needle cylinder screw cap station to realize the synchronous execution of cap material receiving and needle cylinder screw cap. The utility model discloses through independent work's first screw cap device and second screw cap device are fixed respectively in cap material receiving station and needle cylinder screw cap station, and switch cap material receiving station and needle cylinder screw cap station through the gyration disc, realize cap material receiving procedure and needle cylinder screw cap procedure parallelization, eliminate procedure waiting time, promote assembly efficiency.

Description

Technical Field

[0001] This utility model relates to the field of automated assembly equipment for medical devices, specifically to a syringe syringe cap assembly device. Background Technology

[0002] In the syringe filling process, the assembly of the cap and syringe barrel involves multiple steps, including cap conveying, cap receiving, and cap tightening. Traditional assembly mechanisms typically employ a single-station design, meaning that there is usually only one capping actuator. After the cap receiving station completes the cap receiving, a moving mechanism transfers the actuator to the syringe capping station for capping. This sequential process results in waiting time and low efficiency. Utility Model Content

[0003] To solve the above-mentioned technical problems, this utility model provides a syringe syringe cap assembly device.

[0004] The technical solution of this utility model is: it includes a machine base and a syringe delivery device, a cap supply device, a cap transfer device, a capping execution device and a workstation conversion device for carrying the capping execution device, which are installed on the machine base;

[0005] The syringe delivery device includes a delivery chain for delivering syringe syringes; the cap supply device includes multiple sets of cap guide slides; the cap transfer device is used to transfer caps on the cap guide slides to the capping execution device; the station switching device includes a rotary disk that rotates in a horizontal plane, the rotary disk being symmetrically provided with switchable cap receiving station and syringe capping station along the circumference; the capping execution device includes a first capping device and a second capping device with identical structures and operating independently, which are respectively fixedly installed at the cap receiving station and the syringe capping station to achieve synchronous execution of cap receiving and syringe capping.

[0006] The further technical solution is as follows: both the first capping device and the second capping device include a lifting mounting frame, multiple cap sleeves located on the top of the lifting mounting frame, and a screwing drive assembly for driving the cap sleeves to rotate. The multiple cap sleeves correspond one-to-one with multiple sets of cap guide slides.

[0007] A further technical solution is as follows: the rotary disc is provided with vertical mounting frames for the cap receiving station and the syringe capping station respectively, the lifting mounting frame is slidably connected to the vertical mounting frame through the first slide rail, and a drive arm is fixedly provided on the lifting mounting frame;

[0008] The syringe capping station is equipped with a lifting mechanism, including a lifting rod and a lifting driver. The lifting rod has a U-shaped groove with an opening facing the driving arm. When the rotary disc rotates to switch between the cap receiving station and the syringe capping station, the free end of the driving arm is embedded in the U-shaped groove, and the lifting driver drives the lifting rod to move upward to lift the driving arm and the lifting mounting frame.

[0009] A further technical solution is that the vertical mounting frame has a clearance opening extending vertically in the middle, and the free end of the drive arm passes radially through the clearance opening and protrudes out of the outside of the vertical mounting frame.

[0010] A further technical solution is as follows: the cap transfer device is located above the cap guide slide and includes a support frame, a pressure drive and a pressure plate. The support frame is fixedly connected to the machine base through a mounting bracket. The pressure drive is fixed on the support frame and its output shaft is vertically downward. The pressure plate is connected to the output shaft of the pressure drive and reciprocates along the vertical second slide rail on the support frame. The pressure plate is provided with multiple sets of pressure rods that correspond one-to-one with each cap guide slide.

[0011] A further technical solution is that the mounting bracket is also provided with a cap misalignment mechanism, including a misalignment plate located at the outlet of the cap guide slide and a misalignment drive unit that drives the misalignment plate to move. The misalignment plate is provided with multiple misalignment grooves that are connected one-to-one with the cap guide slide. During the translation process, the misalignment grooves are respectively aligned with the outlet of the cap guide slide and the cap sleeve.

[0012] A further technical solution is that a first pressing mechanism and a second pressing mechanism are respectively provided on both sides of the conveyor chain;

[0013] Definition: The delivery direction of a syringe syringe is the X-axis, and the direction perpendicular to the X-axis in a plane is the Y-axis;

[0014] The first pressure mechanism includes a first driver and a first pressing plate that is driven by the first driver to move along the Y direction, wherein the pressing surface of the first pressing plate abuts against the bearing portion of the syringe barrel;

[0015] The second pressing mechanism includes a second driver and multiple sets of contouring blocks that are synchronously driven by the second driver to move along the Y direction. Each contouring block has a syringe contouring groove at its pressing end.

[0016] The first clamping plate and multiple sets of contoured clamping blocks are arranged opposite each other along the Y direction. When the first driver and the second driver are activated, they move towards each other to clamp and fix the syringe barrel from both sides.

[0017] A further technical solution is as follows: the first pressing mechanism is fixed to the machine base by a mounting base, and also includes a first driving plate disposed at the output end of the first driver. The first driving plate has a driving boss on the side facing the first pressing plate, and the driving boss has a pressure transmission slope. The first pressing plate has a driven groove at a corresponding position for the driving boss to be inserted, and the driven groove has a force-bearing slope that forms a line contact with the pressure transmission slope.

[0018] A further technical solution is as follows: the mounting base is provided with guide positioning pins at both ends along the X direction, the axial direction of the guide positioning pins is parallel to the Y direction, and the first clamping plate is provided with positioning holes at both ends that slide with the guide positioning pins.

[0019] A further technical solution is as follows: each contoured pressure block is installed in the pressure block positioning groove of the synchronous pressure plate through a floating connecting block. A spring and a floating constraint assembly are provided between the floating connecting block and the synchronous pressure plate. The two ends of the spring are respectively placed in the spring grooves on the opposite end faces of the floating connecting block and the synchronous pressure plate. The floating constraint assembly includes a limiting shoulder extending along the X direction and a floating stroke groove. When the floating connecting block floats along the Y direction, the two sides of the limiting shoulder along the Y direction abut against the two side walls of the floating stroke groove along the Y direction.

[0020] The beneficial technical effects of this utility model are as follows: by fixing the first capping device and the second capping device, which have the same structure and work independently, to the cap receiving station and the syringe capping station respectively, and by using a rotary disc to switch between the cap receiving station and the syringe capping station, the cap receiving process and the syringe capping process can be parallelized, eliminating process waiting time and improving assembly efficiency.

[0021] The U-shaped groove design at the end of the lifting mechanism and lifting rod at the syringe capping station allows the rotary disc to rotate freely to switch between the cap receiving station and the syringe capping station. At the same time, the capping device located at the syringe capping station is lifted to the capping working height.

[0022] The cap misalignment mechanism allows the misalignment plate to move between the receiving station and the pressing station. While the pressing station is performing the pressing operation, the receiving station has already started receiving the next batch of caps. Once the misalignment plate is reset, it can receive the new batch of caps. This structure shortens the cycle time and enables efficient continuous production.

[0023] The syringe barrel is clamped and fixed on both sides by the first and second clamping mechanisms, and adaptive clamping is achieved in conjunction with the spring and floating connecting block. Attached Figure Description

[0024] Figure 1 This is a front view of the overall structure of this utility model;

[0025] Figure 2 This is a schematic diagram of the back of the overall structure of this utility model;

[0026] Figure 3 This is a schematic diagram of the installation position of the capping actuator of this utility model;

[0027] Figure 4 This is a schematic diagram of the specific structure of the cap transfer device of this utility model;

[0028] Figure 5 This is a schematic diagram of the specific structure of the first counter-pressure mechanism of this utility model;

[0029] Figure 6 This is a schematic diagram of the specific structure of the second counter-pressure mechanism of this utility model;

[0030] Figure 7 This is a cross-sectional view of the specific structure of the second counter-pressure mechanism of this utility model;

[0031] Figure 8 This is a schematic diagram showing the mating positions of the first pressing plate and the contour pressing block when the first pressing mechanism and the second pressing mechanism of this utility model are in a clamping state;

[0032] Among them: 100, syringe delivery device;

[0033] 200. Cap supply device; 201. Cap guide slide;

[0034] 300. Cap transfer device; 301. Support frame; 302. Downward actuator; 303. Downward plate; 304. Downward rod; 305. Misalignment drive unit; 306. Misalignment plate; 307. Misalignment groove;

[0035] 400. Capping actuator; 401. First capping device; 402. Second capping device; 403. Vertical mounting bracket; 404. Lifting mounting bracket; 405. Cap sleeve; 406. Twisting drive assembly; 407. Lifting rod; 408. Lifting driver; 409. U-shaped groove;

[0036] 500. Station conversion device; 501. Rotary drive motor; 502. Rotary disc;

[0037] 600. Mounting bracket; 601. Mounting base;

[0038] 700, First pressing mechanism; 701, Mounting base; 702, First driver; 703, First drive plate; 704, First clamping plate; 705, Drive boss; 706, Driven groove; 707, Guide positioning pin;

[0039] 800. Second counter-pressing mechanism; 801. L-shaped support; 802. Second driver; 803. Synchronous pressure plate; 804. Contouring pressure block; 805. Floating connecting block; 806. Pressure block positioning groove; 807. Limiting shoulder; 808. Floating stroke groove; 809. Spring; 810. Fine-tuning bolt; 811. Cylinder buffer plate. Detailed Implementation

[0040] In order to better understand the technical means of this utility model and to implement it in accordance with the contents of the specification, the specific embodiments of this utility model will be further described in detail below with reference to the accompanying drawings and examples. The following examples are used to illustrate this utility model, but are not intended to limit the scope of this utility model.

[0041] like Figure 1 and Figure 2 As shown, the syringe syringe cap assembly device of this utility model includes a machine base and a syringe delivery device 100, a cap supply device 200, a cap transfer device 300, a capping actuator 400, and a station conversion device 500 for supporting the capping actuator 400, all mounted on the machine base. The cap transfer device 300, the capping actuator 400, and the station conversion device 500 are all fixedly connected to the machine base via mounting brackets 600. The syringe delivery device 100 continuously delivers syringe syringes along a predetermined delivery path and includes a delivery chain disposed on the delivery path, with the syringe syringes mounted on the delivery chain via a support portion. The cap supply device 200 directionally delivers caps to a predetermined position and includes multiple sets of cap guide slides 201, the extension direction of which is perpendicular to the delivery direction of the syringe delivery device 100. The cap transfer device 300 transfers caps from the cap guide slides 201 to the capping actuator 400. The capping actuator 400 is used to tighten the cap to the lower part of the syringe barrel.

[0042] In the following description, the delivery direction of the syringe delivery device 100 is defined as the X-direction, and the direction perpendicular to the syringe delivery direction is defined as the Y-direction.

[0043] Specifically, such as Figure 3 The mounting bracket 600 includes a mounting base 601, and the capping actuator 400 includes a first capping device 401 and a second capping device 402 that have the same structure and work independently.

[0044] The workstation switching device 500 includes a rotary drive motor 501 fixed to the bottom of the mounting base 601 and a rotary disk 502 that rotates in the horizontal plane under the drive of the rotary drive motor 501. The rotary disk 502 has switchable cap receiving station and syringe capping station symmetrically arranged at 180-degree intervals along its circumferential edge. The cap receiving station and syringe capping station are located below the outlet of the cap guide slide 201 and below the conveyor chain, respectively.

[0045] The first capping device 401 and the second capping device 402 are respectively located at the cap receiving station and the syringe capping station. Each includes a vertical mounting frame 403 fixedly connected to a rotary disc 502 and a lifting mounting frame 404 located radially inside the vertical mounting frame 403. A drive arm is fixedly mounted on the lifting mounting frame 404. A vertically extending first slide rail is provided between the lifting mounting frame 404 and the vertical mounting frame. Driven by the drive arm, the lifting mounting frame 404 is slidably connected to the vertical mounting frame 403 via the first slide rail. The top of the lifting mounting frame 404 has several cap sleeves 405 arranged side-by-side. The inner side of the lifting mounting frame 404 has a screwing drive assembly 406 for screwing each cap sleeve 405 to rotate axially. The screwing drive assembly 406 can be a rotary motor.

[0046] The syringe capping station is also equipped with a lifting mechanism, which includes a lifting rod 407 that passes through the mounting base 601 in a vertical direction and a lifting driver 408 that is fixed to the bottom of the mounting base 601. One end of the lifting rod 407 is fixedly connected to the output end of the lifting driver 408, and the other end is connected to the driving arm.

[0047] In this embodiment, the vertical mounting frame 403 has a clearance opening extending vertically in the middle. The free end of the drive arm passes radially through the clearance opening and extends outward beyond the vertical mounting frame 403. The lifting rod 407 has a U-shaped groove 409, the opening of which faces the drive arm. When the rotary disc 502 rotates to switch between the cap receiving station and the syringe capping station, the free end of the drive arm cuts into the laterally open area of ​​the U-shaped groove 409 in the horizontal direction. When the rotary disc 502 rotates to its position, the free end of the drive arm is suspended in the U-shaped groove 409. At this time, the lifting driver 408 is activated, driving the lifting rod 407 to move upward, thereby pushing the free end of the drive arm to rise, so as to move the lifting mounting frame 404 along the first slide rail to the capping operation height. After the cap is screwed on, the lifting rod 407 returns to its original position and descends, and the free end of the drive arm falls to its initial height. The rotary disc 502 rotates in the opposite direction, causing the free end of the drive arm to exit the U-shaped groove 409 from the lateral open area in a horizontal direction.

[0048] In this structure, the cap receiving and syringe capping processes are carried out in parallel, eliminating process waiting time and improving assembly efficiency; at the same time, the rotary disk 502 enables the switching between the cap receiving station and the syringe capping station, thus optimizing the dual-station space structure of the equipment.

[0049] like Figure 4 The cap transfer device 300 is disposed above the cap guide slide 201 and includes a support frame 301, a pressing driver 302, and a pressing plate 303. The support frame 301 is fixedly connected to the machine base via a mounting bracket 600. The pressing driver 302 is fixed to the support frame 301, and its output shaft is vertically downward. The pressing plate 303 is connected to the output shaft of the pressing driver 302 and reciprocates along the vertical second slide rail on the support frame 301. The pressing plate 303 is provided with multiple sets of pressing rods 304 corresponding one-to-one with each cap guide slide 201, used to press the caps in the cap guide rails into the cap sleeves 405 below.

[0050] Preferably, the support frame 301 is further provided with a cap misalignment mechanism. The cap misalignment mechanism includes a misalignment drive unit 305 and a misalignment plate 306 disposed at the outlet of the cap guide slide 201. The misalignment plate 306 is provided with multiple sets of misalignment grooves 307 that mate one-to-one with each cap guide slide 201. The shape of each misalignment groove 307 matches the outer contour of the cap. The position where the misalignment groove 307 is aligned with the outlet of the cap guide slide 201 is defined as the receiving station, and the position where the misalignment groove 307 is aligned with the lower cap sleeve 405 is defined as the pressing station. The misalignment plate 306 is connected to the output end of the misalignment drive unit 305. After the misalignment groove 307 receives the cap that slides in along the outlet of the cap guide slide 201, the misalignment drive unit 305 drives the misalignment plate 306 to move from the receiving station to the pressing station.

[0051] By separating the receiving station and the pressing station, and by using the rapid reciprocating motion of the misaligned plate 306, parallel processing is achieved. That is, when the misaligned plate 306 is performing pressing operations at the pressing station, the receiving station has already started receiving the next batch of caps. Once the misaligned plate 306 is reset, it can receive the new batch of caps. This design enables efficient and continuous production.

[0052] Meanwhile, the misalignment groove 307 provides circumferential support and positioning for the cap at the pressing station, avoiding the risk of lateral displacement or tilting of the cap during the pressing process, ensuring that the cap is pressed vertically and stably into the sleeve, and significantly improving the pressing accuracy and reliability.

[0053] Furthermore, in order to secure the syringe barrel when the cap is screwed on, a first pressure mechanism 700 and a second pressure mechanism 800 are respectively provided on both sides of the delivery chain.

[0054] like Figures 5 to 8The first pressing mechanism 700 is mounted on the support beam of the conveyor chain and includes a mounting base 701, a first driver 702 fixed to the mounting base 701, a first drive plate 703 driven by the first driver 702 to reciprocate along the X direction, and a first pressing plate 704 moving along the Y direction under the transmission cooperation of the first drive plate 703. Specifically, the first drive plate 703 has a driving boss 705 on the side facing the first pressing plate 704, and the driving boss 705 has a pressure transmission slope; the first pressing plate 704 has a driven groove 706 at a corresponding position for the driving boss 705 to be inserted, and the driven groove 706 has a force-bearing slope that forms a line contact with the pressure transmission slope.

[0055] The mounting base 701 is provided with guide positioning pins 707 at positions corresponding to both ends of the first clamping plate 704, and the axial direction of the guide positioning pins 707 is parallel to the Y direction. The first clamping plate 704 is provided with positioning holes that slide with the guide positioning pins 707. When the first driver 702 drives the first drive plate 703 to translate along the X direction, the pressure transmission slope of the drive boss 705 presses the force-bearing slope of the driven groove 706. Under the guidance of the guide positioning pins 707, the first clamping plate 704 moves along the Y direction until its pressing surface abuts against the bearing part of the syringe barrel.

[0056] The second pressure mechanism 800 includes an L-shaped support 801 fixedly connected to the mounting bracket 600, a second driver 802, and multiple sets of contouring pressure blocks 804 that are synchronously driven by the second driver 802 to move along the Y direction. Each contouring pressure block 804 corresponds to a syringe syringe, and the pressing end is provided with a syringe syringe contouring groove. The first clamping plate 704 and the multiple sets of contouring pressure blocks 804 are arranged opposite to each other along the Y direction. When the first driver 702 and the second driver 802 are activated, they move towards each other to clamp and fix the syringe syringe from both sides.

[0057] Specifically, two sets of second drivers 802 are fixed on the vertical support plate of the L-shaped support 801. The output ends of the two sets of second drivers 802 are connected to a synchronous pressure plate 803. The two ends of the synchronous pressure plate 803 cooperate with the guide column of the vertical support plate through linear bearings to achieve high-precision translation along the Y direction.

[0058] Multiple sets of contoured pressure blocks 804 are evenly arranged on the synchronous pressure plate 803 along the X direction, and are respectively installed in the pressure block positioning groove 806 of the synchronous pressure plate 803 through floating connecting blocks 805.

[0059] A spring 809 and a floating constraint assembly are provided between the floating connecting block 805 and the synchronous pressure plate 803. The two ends of the spring 809 are respectively placed in spring grooves on the opposite end faces of the floating connecting block 805 and the synchronous pressure plate 803. The synchronous pressure plate 803 is provided with fine-tuning bolts 810 corresponding to each spring 809, used to adjust the initial preload of the spring 809. The spring 809 cooperates with the floating connecting block 805 to achieve adaptive pressure adjustment, avoiding hard contact between the contouring pressure block 804 and the syringe barrel.

[0060] The floating constraint component is disposed between the opposite end faces of the floating connecting block 805 and the pressure block positioning groove 806, and includes a limiting shoulder 807 extending along the X direction and a floating stroke groove 808. When the floating connecting block 805 floats along the Y direction, the two sides of the limiting shoulder 807 along the Y direction respectively abut against the two side walls of the floating stroke groove 808 along the Y direction, thereby limiting the floating range of the floating connecting block 805 along the Y direction.

[0061] Preferably, a cylinder buffer plate 811 is also provided between the guide columns at both ends of the synchronous pressure plate 803. When the second driver 802 pushes the synchronous pressure plate 803 to move at high speed along the guide column to the end of the stroke, the cylinder buffer plate 811 realizes the impact buffer of the synchronous pressure plate 803 along the Y direction.

[0062] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. It should be noted that for those skilled in the art, several improvements and modifications can be made without departing from the technical principles of the present utility model, and these improvements and modifications should also be considered within the protection scope of the present utility model.

Claims

1. A syringe syringe cap assembly device, characterized in that: It includes a machine base and a syringe delivery device (100), a cap supply device (200), a cap transfer device (300), a capping actuator (400) installed on the machine base, and a station conversion device (500) for carrying the capping actuator (400); The syringe delivery device (100) includes a delivery chain for delivering syringe syringes; the cap supply device (200) includes multiple cap guide slides (201); the cap transfer device (300) is used to transfer caps on the cap guide slides (201) to the capping execution device (400); the station conversion device (500) includes a rotary disk (502) that rotates in a horizontal plane, the rotary disk (502) being symmetrically provided with switchable cap receiving station and syringe capping station along the circumference; the capping execution device (400) includes a first capping device (401) and a second capping device (402) with the same structure and working independently, which are respectively fixedly installed at the cap receiving station and the syringe capping station to realize the synchronous execution of cap receiving and syringe capping.

2. The syringe syringe cap assembly device according to claim 1, characterized in that: The first capping device (401) and the second capping device (402) both include a lifting mounting frame (404), a plurality of cap sleeves (405) disposed on the top of the lifting mounting frame (404), and a screwing drive assembly (406) for driving the cap sleeves (405) to rotate. The plurality of cap sleeves (405) correspond one-to-one with a plurality of cap guide slides (201).

3. The syringe syringe cap assembly device according to claim 2, characterized in that: The rotary disc (502) is provided with vertical mounting brackets (403) for the cap receiving station and the syringe capping station respectively. The lifting mounting bracket (404) is slidably connected to the vertical mounting bracket (403) through the first slide rail. A drive arm is fixedly provided on the lifting mounting bracket (404). The syringe capping station is equipped with a lifting mechanism, including a lifting rod (407) and a lifting driver (408). The lifting rod (407) is provided with a U-shaped groove (409) with an opening facing the driving arm. When the rotary disc (502) rotates to switch between the cap receiving station and the syringe capping station, the free end of the driving arm is embedded in the U-shaped groove (409), and the lifting driver (408) drives the lifting rod (407) to move upward to lift the driving arm and the lifting mounting frame (404).

4. The syringe syringe cap assembly device according to claim 3, characterized in that: The vertical mounting bracket (403) has a clearance opening extending vertically in the middle, and the free end of the drive arm passes radially through the clearance opening and protrudes outward from the outside of the vertical mounting bracket (403).

5. The syringe syringe cap assembly device according to claim 2, characterized in that: The cap transfer device (300) is located above the cap guide slide (201) and includes a support frame (301), a pressure drive (302), and a pressure plate (303). The support frame (301) is fixedly connected to the machine base through a mounting bracket (600). The pressure drive (302) is fixed on the support frame (301) and its output shaft is vertically downward. The pressure plate (303) is connected to the output shaft of the pressure drive (302) and reciprocates along the vertical second slide rail on the support frame (301). The pressure plate (303) is provided with multiple sets of pressure rods (304) that correspond one-to-one with each cap guide slide (201).

6. The syringe syringe cap assembly device according to claim 5, characterized in that: The mounting bracket (600) is also provided with a cap misalignment mechanism, including a misalignment plate (306) located at the outlet of the cap guide slide (201) and a misalignment drive unit (305) for driving the misalignment plate (306) to translate. The misalignment plate (306) is provided with a plurality of misalignment grooves (307) that are connected one-to-one with the cap guide slide (201). During the translation process, the misalignment grooves (307) are respectively aligned with the outlet of the cap guide slide (201) and the cap sleeve (405).

7. The syringe syringe cap assembly device according to claim 1, characterized in that: The conveyor chain is provided with a first pressure-relief mechanism (700) and a second pressure-relief mechanism (800) on both sides respectively; Definition: The delivery direction of a syringe syringe is the X-axis, and the direction perpendicular to the X-axis in the horizontal plane is the Y-axis; The first pressure mechanism (700) includes a first driver (702) and a first pressing plate (704) driven by the first driver (702) to move along the Y direction, wherein the pressing surface of the first pressing plate (704) abuts against the bearing portion of the syringe barrel; The second pressing mechanism (800) includes a second driver (802) and multiple sets of contouring blocks (804) that are synchronously driven by the second driver (802) to move along the Y direction. Each contouring block (804) has a syringe contouring groove at its pressing end. The first clamping plate (704) and multiple sets of contouring blocks (804) are arranged opposite each other along the Y direction. When the first driver (702) and the second driver (802) are activated, they move towards each other to clamp and fix the syringe syringe from both sides.

8. The syringe syringe cap assembly device according to claim 7, characterized in that: The first pressure mechanism (700) is fixed to the machine base by the mounting base (701) and also includes a first drive plate (703) disposed at the output end of the first driver (702). The first drive plate (703) has a drive boss (705) on the side facing the first pressing plate (704). The drive boss (705) has a pressure transmission slope. The first pressing plate (704) has a driven groove (706) at the corresponding position for the drive boss (705) to be inserted. The driven groove (706) has a force-bearing slope that forms a line contact with the pressure transmission slope.

9. A syringe syringe cap assembly device according to claim 8, characterized in that: The mounting base (701) is provided with guide positioning pins (707) at both ends along the X direction. The axial direction of the guide positioning pins (707) is parallel to the Y direction. The first clamping plate (704) is provided with positioning holes at both ends that slide with the guide positioning pins (707).

10. A syringe syringe cap assembly device according to claim 7, characterized in that: Each contoured pressure block (804) is installed in the pressure block positioning groove (806) of the synchronous pressure plate (803) via a floating connecting block (805). A spring (809) and a floating constraint assembly are provided between the floating connecting block (805) and the synchronous pressure plate (803). The two ends of the spring (809) are respectively placed in the spring grooves on the opposite end faces of the floating connecting block (805) and the synchronous pressure plate (803). The floating constraint assembly includes a limiting shoulder (807) extending along the X direction and a floating stroke groove (808). When the floating connecting block (805) floats along the Y direction, the two sides of the limiting shoulder (807) along the Y direction abut against the two side walls of the floating stroke groove (808) along the Y direction.

Images