Negative-pressure drip-proof assembly of push type dispenser

By employing a motor-driven sliding block to open and close the clamping plate and a sealing ring structure in the push-type dispensing machine, the problems of shaking and displacement during operation are solved, achieving stable workpiece clamping and reliable glue delivery, thus improving dispensing quality and equipment performance.

CN223959908UActive Publication Date: 2026-03-03SUZHOU ALKIN ELECTRONICS CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-25
Publication Date
2026-03-03

AI Technical Summary

Technical Problem

Existing push-type dispensing machines are prone to shaking or displacement during operation, resulting in dispensing position deviations, reducing product consistency and yield, and even causing workpiece scrap.

Method used

The design includes an operating table, a dispensing table, a motor, a sliding block, a clamping plate, and a sealing assembly. The motor drives the sliding block to open and close the clamping plate, and the sealing structure, combined with the sealing ring and the threaded ring, ensures stable workpiece clamping and reliable glue delivery.

Benefits of technology

It achieves stable clamping of the workpiece, ensures accurate dispensing position, improves the consistency of dispensing quality and the overall performance of the equipment, reduces the risk of glue leakage, and improves work efficiency.

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Abstract

The utility model relates to the technical field of glue dispensers, and discloses a push type glue dispenser negative pressure drip-proof assembly which comprises an operation table, the top of the operation table is fixedly connected with a glue dispensing table, a motor is fixedly connected in the glue dispensing table, the driving end of the motor is fixedly connected with a sliding block, the bottom of the sliding block is fixedly connected with a square sliding block, and the square sliding block is fixedly connected with a push rod. The bottom of the square sliding block is slidably connected with a sliding plate, the left side and the right side of the sliding block are rotatably connected with two connecting rods, the bottoms of the connecting rods are fixedly connected with clamping plates, the bottoms of the clamping plates are fixedly connected with second trapezoidal sliding blocks, and the front sides of the second trapezoidal sliding blocks are slidably connected with first trapezoidal sliding blocks. According to the utility model, the consistency of the dispensing quality is ensured, the action of the clamping plate is accurately controlled, the stable clamping of a workpiece to be dispensed is realized, and the workpiece is ensured not to move in the dispensing process.
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Description

Technical Field

[0001] This utility model relates to the field of dispensing machine technology, and in particular to a negative pressure anti-drip component for a push-type dispensing machine. Background Technology

[0002] As electronic products become smaller and more precise, such as in chip packaging and circuit board assembly, the precision requirements for the application position and amount of adhesive have reached the micrometer level.

[0003] The negative pressure anti-drip component of the push-type dispensing machine consists of a negative pressure generator, a glue cylinder and connection, a control valve, a pressure regulator, and a detection feedback component. During dispensing, positive pressure gas enters the syringe through pressure regulation to expel glue. In the anti-drip stage, the switching control valve connects to the back suction valve to form negative pressure to suck back residual glue. Afterward, the pressure is released to maintain consistent air pressure.

[0004] In the existing technology, some dispensing machines lack fixation, which can cause shaking or displacement during operation, resulting in deviations in the dispensing position. This makes it difficult to accurately apply the glue to the intended location. During the dispensing process, the workpiece is prone to displacement, leading to incorrect dispensing positions, reducing product consistency and yield, and even causing workpiece scrap. To address these issues, a negative pressure anti-drip component for push-type dispensing machines is proposed. Utility Model Content

[0005] To overcome the above shortcomings, this utility model provides a negative pressure anti-drip component for a push-type dispensing machine, which aims to improve the problem in the prior art where the machine is prone to shaking or displacement during operation, resulting in dispensing position deviation, inaccurate glue application, and thus reducing product consistency and yield, or even causing workpiece scrap.

[0006] To achieve the above objectives, the present invention adopts the following technical solution:

[0007] A negative pressure anti-drip component for a push-type dispensing machine includes an operating table. A dispensing station is fixedly connected to the top of the operating table. A motor is fixedly connected inside the dispensing station. A sliding block is fixedly connected to the drive end of the motor. A square slider is fixedly connected to the bottom of the sliding block. A sliding plate is slidably connected to the bottom of the square slider. Two connecting rods are rotatably connected to the left and right sides of the sliding block. A clamping plate is fixedly connected to the bottom of each connecting rod. A trapezoidal slider II is fixedly connected to the bottom of each clamping plate. A trapezoidal slider I is slidably connected to the front side of each trapezoidal slider II. A sealing component for leak prevention is fixedly connected to the top of the operating table.

[0008] As a further description of the above technical solution:

[0009] The sealing assembly includes a support frame, the bottom of which is fixedly connected to the top of the operating table. A push valve is fixedly connected to the front side of the support frame. A baffle is fixedly connected inside the push valve. A sealing ring is fixedly connected to the right side of the baffle. A connecting ring is fixedly connected to the inside of the right side of the push valve. A threaded ring one is threaded inside the connecting ring. A threaded ring two is fixedly connected inside the threaded ring one. A pipe is threaded inside the threaded ring two.

[0010] As a further description of the above technical solution:

[0011] The bottom of the sliding plate is fixedly connected to the inner wall of the dispensing station, and two grooves are formed inside the dispensing station.

[0012] As a further description of the above technical solution:

[0013] The two trapezoidal sliders 1 are externally slidably connected to the inside of the dispensing table, and the two trapezoidal sliders 2 are externally slidably connected to the inside of the dispensing table;

[0014] As a further description of the above technical solution:

[0015] The top of the sliding block is slidably connected to the inner wall of the dispensing table, and the bottoms of the two clamping plates are slidably connected to the top of the operating table.

[0016] As a further description of the above technical solution:

[0017] The left side of the first threaded ring contacts the right side of the sealing ring, and the left side of the second threaded ring contacts the right side of the sealing ring.

[0018] As a further description of the above technical solution:

[0019] A rotating shaft is fixedly connected to the front side of the support frame, a fixed plate is rotatably connected to the front side of the rotating shaft, and a fixed ring is rotatably connected to the front side of the fixed plate.

[0020] As a further description of the above technical solution:

[0021] A fixing plate is fixedly connected to the front side of the fixing plate. The top of the fixing plate is in contact with the bottom of the glue bucket. A pipe is threadedly connected to the bottom of the glue bucket.

[0022] This utility model has the following beneficial effects:

[0023] 1. In this utility model, the motor inside the dispensing station starts, the square slider at the bottom of the sliding block slides along the sliding plate, and the connecting rods on the left and right sides of the sliding block rotate as it moves up and down, thereby driving the clamping plate fixed at the bottom to open and close, ensuring the consistency of dispensing quality, accurately controlling the movement of the clamping plate, realizing stable clamping of the workpiece to be dispensed, and ensuring that the workpiece does not shift during the dispensing process.

[0024] 2. In this utility model, the push valve controls the flow and amount of glue, the internal baffle fixes the sealing ring to prevent glue leakage, the threaded ring one fixes the threaded ring two inside, the threaded ring one and the threaded ring two have opposite threads and rotate together to firmly connect the pipe to the push valve, and the threaded ring two is in close contact with the sealing ring to enhance the seal, ensuring the reliability and stability of the glue dispensing process, and improving the overall performance and working efficiency of the equipment. Attached Figure Description

[0025] Figure 1 This is a perspective view of the negative pressure anti-drip component of the push-type dispensing machine proposed in this utility model;

[0026] Figure 2 This is a schematic diagram of the clamping plate of the negative pressure anti-drip component of the push-type dispensing machine proposed in this utility model;

[0027] Figure 3 This is a schematic diagram of the structure of the fixing plate of the negative pressure anti-drip component of the push-type dispensing machine proposed in this utility model;

[0028] Figure 4 for Figure 3 Enlarged view of point A in the middle.

[0029] Legend:

[0030] 1. Operating table; 2. Dispensing table; 3. Motor; 4. Sliding block; 5. Square slider; 6. Sliding plate; 7. Connecting rod; 8. Trapezoidal slider one; 9. Trapezoidal slider two; 10. Clamping plate; 11. Support frame; 12. Rotating shaft; 13. Fixing plate; 14. Fixing ring; 15. Fixing disc; 16. Glue bucket; 17. Pipe; 18. Push valve; 19. Connecting ring; 20. Threaded ring one; 21. Threaded ring two; 22. Baffle; 23. Sealing ring. Detailed Implementation

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

[0032] Reference Figure 1 , Figure 2 This utility model provides an embodiment of a negative pressure anti-drip component for a push-type dispensing machine, including an operating table 1. A dispensing platform 2 is fixedly connected to the top of the operating table 1, providing a stable platform for the installation and operation of various components and ensuring that dispensing operations can be carried out in an orderly manner. A motor 3 is fixedly connected inside the dispensing platform 2. The motor 3 outputs rotational power through its drive end, providing power support for the movement of a sliding block 4. The drive end of the motor 3 is fixedly connected to the sliding block 4. The sliding block 4 cooperates with a sliding plate 6 via a square slider 5 connected to its bottom to achieve stable sliding. A square slider 5 is fixedly connected to the bottom of the sliding block 4, and the square slider 5 cooperates with the sliding plate 6, serving as a guide and support. The bottom of the square slider 5 is slidably connected to the sliding plate 6, which is the square slider 5. A sliding track is provided, and two connecting rods 7 are rotatably connected to the left and right sides of the sliding block 4. When the sliding block 4 moves up and down, the connecting rods 7 drive the clamping plate 10 to open and close through their own rotation. This is used to clamp the workpiece to be glued and ensure the stability of the workpiece during the glue dispensing process. The bottom of each connecting rod 7 is fixedly connected to the clamping plate 10, and the bottom of each clamping plate 10 is fixedly connected to the trapezoidal slider 2 9. The clamping plate 10 opens and closes under the drive of the connecting rod 7 through the connection with the trapezoidal slider 2 9. The front side of each trapezoidal slider 2 9 is slidably connected to the trapezoidal slider 1 8. The trapezoidal slider 1 8 can limit the movement direction of the clamping plate 10, so that the clamping plate 10 maintains linear movement during the opening and closing process, thereby improving the accuracy of clamping. The top of the operating table 1 is fixedly connected to a sealing component for preventing leakage.

[0033] Reference Figure 3 , Figure 4The sealing assembly includes a support frame 11, the bottom of which is fixedly connected to the top of the operating table 1, fixing components such as the push valve 18 and the rotating shaft 12 in appropriate positions. The push valve 18 is fixedly connected to the front side of the support frame 11, controlling the flow and dispensing amount of adhesive. A baffle 22 is fixedly connected inside the push valve 18, used to fix the sealing ring 23 for sealing and preventing leakage. The sealing ring 23 is fixedly connected to the right side of the baffle 22, serving a sealing function to prevent adhesive leakage inside the push valve 18, ensuring the adhesive flows along a predetermined path, guaranteeing the normal operation and dispensing accuracy of the dispensing machine. A connecting ring 19 is fixedly connected inside the right side of the push valve 18, and the connecting ring 19 is connected to the threaded ring... The 20-threaded connection allows for adjustment of the tightness of the connection between the pipe 17 and the push valve 18 by rotating the threaded ring 20. The internal thread of the connecting ring 19 is connected to the threaded ring 20, and the relative position between the threaded ring 20 and the connecting ring 19 can be adjusted by rotating the threaded ring 20. The internal thread of the threaded ring 20 is fixedly connected to the threaded ring 21, which cooperates with the threaded ring 20 to firmly connect the pipe 17 to the push valve 18. At the same time, through close contact with the sealing ring 23, the internal thread of the threaded ring 21 is connected to the pipe 17. The pipe 17 is the channel for glue delivery, which delivers the glue in the glue bucket 16 to the push valve 18. Under the action of the push valve 18, the precise dispensing operation of the glue is achieved.

[0034] Reference Figures 2 to 4 The bottom of the sliding plate 6 is fixedly connected to the inner wall of the dispensing table 2. The sliding plate 6 provides a sliding track for the square slider 5. Two grooves are opened inside the dispensing table 2. The outer sides of the two trapezoidal sliders 8 are slidably connected to the inside of the dispensing table 2. The trapezoidal sliders 8 can restrict the movement direction of the clamping plate 10, so that the clamping plate 10 maintains linear movement during opening and closing. The outer sides of the two trapezoidal sliders 9 are slidably connected to the inside of the dispensing table 2. The trapezoidal sliders 9 ensure the smoothness of the movement of the clamping plate 10, and also enhance the connection stability between the clamping plate 10 and the dispensing table 2. The top of the sliding block 4 is slidably connected to... On the inner wall of the dispensing station 2, the sliding block 4 cooperates with the sliding plate 6 through the square slider 5 connected to the bottom to achieve stable sliding. The bottom of the two clamping plates 10 are slidably connected to the top of the operating table 1. The left side of the threaded ring 20 contacts the right side of the sealing ring 23. The threaded ring 20 thus adjusts the sealing degree between the pipe 17 and the push valve 18 to prevent glue leakage. The left side of the threaded ring 21 contacts the right side of the sealing ring 23. The threaded ring 21 also ensures the sealing of the glue during the delivery process through close contact with the sealing ring 23, ensuring the normal operation of the dispensing operation.

[0035] A rotating shaft 12 is fixedly connected to the front side of the support frame 11. A fixing plate 13 is rotatably connected to the front side of the rotating shaft 12. The fixing plate 13 can rotate around the rotating shaft 12 as needed to adjust the tilt angle of the glue bucket 16, thereby enabling dispensing operations at different positions and angles. A fixing ring 14 is rotatably connected to the front side of the fixing plate 13. The fixing ring 14 is used to fix the neck of the glue bucket 16 to prevent the glue bucket 16 from shaking or tipping over during operation. A fixing plate 15 is fixedly connected to the front side of the fixing plate 13. The fixing plate 15 further enhances the stability of the glue bucket 16 and also helps to maintain a sealed connection between the glue bucket 16 and the pipe 17. The top of the fixing plate 15 contacts the bottom of the glue bucket 16. The bottom of the glue bucket 16 is threadedly connected to the pipe 17, through which the glue is transported to the dispensing operation area. The bottom of the glue bucket 16 is threadedly connected to the pipe 17.

[0036] Working principle: The operating table 1 provides a stable platform on which the dispensing table 2 is fixed. The motor 3 inside the dispensing table 2 starts, driving the sliding block 4 connected to the drive end to move. The square slider 5 at the bottom of the sliding block 4 slides along the sliding plate 6. The connecting rods 7 on the left and right sides of the sliding block 4 rotate as it moves up and down, thereby driving the clamping plate 10 fixed at the bottom to open and close. The trapezoidal slider 2 9 at the bottom of the clamping plate 10 slides along the trapezoidal slider 1 8, ensuring that the clamping plate 10 moves linearly and accurately clamps the workpiece to be dispensed, preparing for subsequent dispensing operations. This avoids the dispensing position deviation caused by the shaking or displacement of the dispensing table, ensuring the consistency of dispensing quality. It accurately controls the movement of the clamping plate to achieve stable clamping of the workpiece to be dispensed, ensuring that the workpiece does not shift during the dispensing process.

[0037] The support frame 11 is fixed on the top of the operating table 1, supporting the push valve 18. The push valve 18 controls the flow of glue and the amount of glue dispensed. The internal baffle 22 fixes the sealing ring 23 to prevent glue leakage. The connecting ring 19 is fixed on the right side of the push valve 18 and is threadedly connected to the threaded ring 20. Rotating the threaded ring 20 can adjust the tightness of the connection. The threaded ring 21 is fixed inside the threaded ring 20. The threaded rings 20 and 21 have opposite threads. When they rotate, they cooperate to firmly connect the pipe 17 to the push valve 18. The threaded ring 21 is in close contact with the sealing ring 23 to enhance the seal. The pipe 17 serves as a glue delivery channel, sending the glue in the glue bucket 16 to the push valve 18, realizing precise glue dispensing operation, reducing cleaning work, reducing safety hazards caused by glue contamination and the impact on other equipment and products, ensuring the reliability and stability of the glue dispensing process, and improving the overall performance and working efficiency of the equipment.

[0038] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A negative pressure anti-dripping assembly of a push-type dispensing machine, comprising an operation table (1), characterized in that: The top of the operation table (1) is fixedly connected with a point gluing table (2), the inside of the point gluing table (2) is fixedly connected with a motor (3), the driving end of the motor (3) is fixedly connected with a sliding block (4), the bottom of the sliding block (4) is fixedly connected with a square slide (5), the bottom of the square slide (5) is slidably connected with a sliding plate (6), the left and right sides of the sliding block (4) are rotatably connected with two connecting rods (7), the bottom of the connecting rod (7) is fixedly connected with a clamping plate (10), the bottom of the clamping plate (10) is fixedly connected with a trapezoidal slide (9), the front side of the trapezoidal slide (9) is slidably connected with a trapezoidal slide (8), and the top of the operation table (1) is fixedly connected with a sealing assembly for leakage prevention.

2. The push-in type glue dispenser negative pressure anti-dripping assembly according to claim 1, wherein: The sealing assembly comprises a support frame (11), the bottom of the support frame (11) is fixedly connected to the top of the operation table (1), the front side of the support frame (11) is fixedly connected with a push valve (18), the inside of the push valve (18) is fixedly connected with a baffle (22), the right side of the baffle (22) is fixedly connected with a sealing ring (23), the right side of the push valve (18) is fixedly connected with a connecting ring (19), the inside of the connecting ring (19) is threadedly connected with a threaded ring (20), the inside of the threaded ring (20) is fixedly connected with a threaded ring (21), and the inside of the threaded ring (21) is threadedly connected with a pipeline (17).

3. The push-in type glue dispenser negative pressure anti-dripping assembly according to claim 1, wherein: The bottom of the sliding plate (6) is fixedly connected to the inner wall of the point gluing table (2), and two grooves are formed in the inside of the point gluing table (2).

4. The push-in type glue dispenser negative pressure anti-dripping assembly according to claim 1, wherein: The outside of the two trapezoidal slides (8) is slidably connected to the inside of the point gluing table (2), and the outside of the two trapezoidal slides (9) is slidably connected to the inside of the point gluing table (2).

5. The push-in pick-and-place machine negative pressure drip prevention assembly of claim 1, wherein: The top of the sliding block (4) is slidably connected to the inner wall of the point gluing table (2), and the bottom of the two clamping plates (10) is slidably connected to the top of the operation table (1).

6. The push-in type glue dispenser negative pressure anti-dripping assembly according to claim 2, wherein: The left side of the threaded ring (20) is in contact with the right side of the sealing ring (23), and the left side of the threaded ring (21) is in contact with the right side of the sealing ring (23).

7. The push-in type glue dispenser negative pressure anti-dripping assembly according to claim 2, characterized in that: The front side of the support frame (11) is fixedly connected with a rotating shaft (12), the front side of the rotating shaft (12) is rotatably connected with a fixed plate (13), and the front side of the fixed plate (13) is rotatably connected with a fixed ring (14).

8. The push-in pick-and-place machine negative pressure drip prevention assembly of claim 7, wherein: The front side of the fixed plate (13) is fixedly connected with a fixed disc (15), the top of the fixed disc (15) is in contact with the bottom of a glue barrel (16), and the bottom of the glue barrel (16) is threadedly connected with the pipeline (17).