Needle threading device for rubber products

By using hydraulically driven clamping components and automatic feeding components, the problem of inaccurate positioning of rubber products due to unstable clamping during needle threading is solved, thereby improving the stability and efficiency of needle threading of rubber products.

CN224255543UActive Publication Date: 2026-05-19SHANGHAI QINYUAN HYDRAULIC TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
SHANGHAI QINYUAN HYDRAULIC TECH CO LTD
Filing Date
2025-06-16
Publication Date
2026-05-19

AI Technical Summary

Technical Problem

Traditional rubber product needle-threading devices are prone to causing displacement of the rubber product during the clamping process, resulting in inaccurate needle placement, which affects product quality and production efficiency.

Method used

The hydraulically driven clamping and automatic feeding components, driven by hydraulic cylinders, move the connecting block and plate, enabling the clamping block to approach and the support block to move, thus ensuring the stability and precise fixation of rubber products during the needle threading process.

Benefits of technology

It effectively solves the problem of inaccurate positioning of rubber products during the needle threading process, improves the stability and efficiency of needle threading, and ensures product quality and production efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the field of needle threading devices, and discloses a rubber product needle threading device which comprises a base, a clamping assembly is fixedly connected to the outside of the base, an automatic feeding assembly is fixedly connected to the outside of the base, the clamping assembly comprises a second hydraulic cylinder, and the driving end of the second hydraulic cylinder is rotationally connected with a connecting block. Two sides of the connecting block are slidably connected with two driving plates I, the exteriors of the driving plates I are rotatably connected with sliding plates I, the exteriors of the sliding plates I are rotatably connected with two follow-up plates I, the exteriors of the follow-up plates I are fixedly connected with sliding blocks I, and the exteriors of the sliding blocks I are fixedly connected with clamping blocks. According to the utility model, the hydraulic cylinder I is started to drive the protective shell to move, the hydraulic cylinder II in the protective shell is started, the hydraulic cylinder II drives the connecting block to move, the connecting block drives the driving plate I to move, and the driving plate I is driven by the sliding plate I to move.
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Description

Technical Field

[0001] This utility model relates to the field of needle-threading devices, and more particularly to a needle-threading device for rubber products. Background Technology

[0002] In the modern production of rubber products, the design and application of threading devices are crucial for improving production efficiency and ensuring product quality. As part of an automated production line, the performance of the threading device directly affects the processing accuracy and production speed of rubber products. Especially in high-frequency, high-load production environments, ensuring the device maintains stability during long-term operation and can adapt to the processing requirements of rubber products of different specifications is a key design challenge.

[0003] A rubber product threading device typically consists of three parts: a threading mechanism, a clamping device, and a support structure. The main function of the threading mechanism is to precisely complete the threading process through automated operation, ensuring that the rubber product is accurately pierced. The clamping device is responsible for fixing the position of the rubber product during the threading process, holding it within the working area by clamping its edges or specific locations. The support structure provides robust support and precise alignment, ensuring stable operation of the equipment under prolonged, high-frequency operation, effectively reducing the impact of external vibrations on the threading process, and ensuring the safety and precise fixation of the rubber product during threading.

[0004] Traditional needle-threading devices for rubber products are prone to slight displacement during the needle-threading process because the clamping device does not provide sufficient pressure or support. This results in inaccurate needle placement, affecting product quality and production efficiency. Therefore, a new needle-threading device for rubber products is proposed to solve the above problems. Utility Model Content

[0005] To overcome the above deficiencies, this utility model provides a needle-threading device for rubber products, which aims to improve the problem of incorrect needle placement caused by the rubber products not being clamped tightly in the prior art.

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

[0007] A needle-threading device for rubber products includes a base, a clamping assembly fixedly connected to the outside of the base, and an automatic feeding assembly fixedly connected to the outside of the base.

[0008] The clamping assembly includes a hydraulic cylinder 2, a connecting block rotatably connected to the drive end of the hydraulic cylinder 2, two active plates slidably connected to both sides of the connecting block, a sliding plate rotatably connected to the outside of the active plates 1, two follower plates rotatably connected to both sides of the sliding plates 1, a sliding block 1 fixedly connected to the outside of the follower plates 1, a clamping block fixedly connected to the outside of the sliding block 1, and the sliding block 1 slidably connected to the outside of the sliding plates 1.

[0009] As a further description of the above technical solution:

[0010] The automatic feeding assembly includes a hydraulic cylinder three, a gear block fixedly connected to the drive end of the hydraulic cylinder three, a gear column meshing with the gear block, an active plate two fixedly connected to the outside of the gear column, a follower plate two rotatably connected to the outside of the active plate two, a sliding block two slidably connected to the outside of the follower plate two, and a suction machine fixedly connected to the outside of the follower plate two.

[0011] As a further description of the above technical solution:

[0012] The hydraulic cylinder 2 is externally fixedly connected to a protective shell, and the hydraulic cylinder 1 is externally fixedly connected to the protective shell.

[0013] As a further description of the above technical solution:

[0014] The hydraulic cylinder is externally fixedly connected to a support plate, and the support plate is externally fixedly connected to the outside of the base.

[0015] As a further description of the above technical solution:

[0016] The sliding block two is slidably connected to a sliding plate two on one side. A protective shell is fixedly connected to the outside of the sliding plate two. The protective shell is fixedly connected to the outside of the hydraulic cylinder three. The hydraulic cylinder three is fixedly connected to the outside of the support plate.

[0017] As a further description of the above technical solution:

[0018] A motor is fixedly connected to the outside of the base, and a rotating disk is fixedly connected to the drive end of the motor.

[0019] As a further description of the above technical solution:

[0020] A storage box is fixedly connected to the outside of the base, and a transport block is fixedly connected to the outside of the base;

[0021] As a further description of the above technical solution:

[0022] The protective shell has two connecting plates fixedly connected to its exterior, and a support block is fixedly connected to the exterior of each connecting plate. A needle is fixedly connected to the exterior of each support block.

[0023] This utility model has the following beneficial effects:

[0024] 1. In this utility model, the first hydraulic cylinder drives the protective shell to move, the second hydraulic cylinder inside the protective shell is activated, the second hydraulic cylinder drives the connecting block to move, the connecting block drives the first active plate to move, the active plate drives the first follower plate to move, the follower plate drives the first sliding block to slide on the first sliding plate, the first sliding block drives the clamping blocks to move closer to each other, the connecting block also drives the connecting plate to move, the connecting plate drives the support block to move, the support block drives the needle to move, thus enabling the needle to be threaded when clamping the rubber product, solving the problem of unstable needle threading in rubber leading to incorrect needle position.

[0025] 2. In this utility model, the hydraulic cylinder three is started, which drives the gear block to move. The gear block drives the gear column to move, and the gear column drives the active plate two to rotate. The active plate two drives the follower plate two to rotate. The follower plate two slides on the sliding plate two by relying on the sliding block two. The motor rotates and drives the rotating disk, so as to realize the left and right movement of adsorption and delivery, and solve the problem of low needle threading efficiency of rubber products. Attached Figure Description

[0026] Figure 1 This is a three-dimensional schematic diagram of the base of a needle-threading device for rubber products proposed in this utility model;

[0027] Figure 2 This is a schematic diagram of the structure of the sliding plate two of the needle-threading device for rubber products proposed in this utility model;

[0028] Figure 3 This is a schematic diagram of the clamping block of a needle-threading device for rubber products proposed in this utility model;

[0029] Figure 4 for Figure 3 Enlarged view of point A in the middle;

[0030] Legend:

[0031] 1. Base; 2. Support plate; 3. Hydraulic cylinder one; 4. Protective shell; 5. Hydraulic cylinder two; 6. Connecting block; 7. Active plate one; 8. Sliding plate one; 9. Follower plate one; 10. Sliding block one; 11. Clamping block; 12. Connecting plate; 13. Support block; 14. Needle; 15. Hydraulic cylinder three; 16. Gear block; 17. Gear column; 18. Active plate two; 19. Follower plate two; 20. Sliding block two; 21. Sliding plate two; 22. Feeder; 23. Motor; 24. Rotary disc; 25. Protective shell; 26. Storage box; 27. Transport block. Detailed Implementation

[0032] 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.

[0033] Reference Figures 1 to 3 This utility model provides an embodiment of a needle-threading device for rubber products, including a base 1, a clamping assembly fixedly connected to the outside of the base 1, and an automatic feeding assembly fixedly connected to the outside of the base 1. The clamping assembly includes a second hydraulic cylinder 5, and a connecting block 6 is rotatably connected to the driving end of the second hydraulic cylinder 5. The second hydraulic cylinder 5 drives the connecting block 6 to move. Two active plates 7 are slidably connected to both sides of the connecting block 6. The connecting block 6 drives the active plates 7 to move. A sliding plate 8 is rotatably connected to the outside of the active plate 7. Two follower plates 9 are rotatably connected to both sides of the sliding plate 8. The sliding plate 8 provides support to the active plate 7, so that the active plate 7 drives the follower plates 9 to rotate. A sliding block 10 is fixedly connected to the outside of the follower plate 9. The follower plate 9 drives the sliding block 10 to move. A clamping block 11 is fixedly connected to the outside of the sliding block 10. The sliding block 10 drives the clamping block 11 to move. The sliding block 10 is slidably connected to the outside of the sliding plate 8, and the sliding plate 8 provides sliding support to the sliding block 10. The automatic feeding assembly includes a third hydraulic cylinder 15.

[0034] A gear block 16 is fixedly connected to the drive end of hydraulic cylinder 3 15. Hydraulic cylinder 3 15 drives gear block 16 to move. Gear block 16 is externally meshed with gear column 17. Gear block 16 drives gear column 17 to rotate. A driving plate 2 18 is fixedly connected to the outside of gear column 17. Gear column 17 drives driving plate 2 18 to rotate. A follower plate 2 19 is rotatably connected to the outside of driving plate 2 18. Driving plate 2 18 drives follower plate 2 19 to move. A sliding block 20 is slidably connected to the outside of follower plate 2 19. Follower plate 2 19 drives sliding block 20. 20 slides on sliding plate 18. Follower plate 29 is externally fixedly connected to suction machine 22. Follower plate 29 drives suction machine 22 to move. Hydraulic cylinder 25 is externally fixedly connected to protective shell 4. Protective shell 4 supports hydraulic cylinder 25. Hydraulic cylinder 13 is externally fixedly connected to protective shell 4. Hydraulic cylinder 13 drives protective shell 4 to move. Hydraulic cylinder 13 is externally fixedly connected to support plate 2. Support plate 2 supports hydraulic cylinder 13. Support plate 2 is externally fixedly connected to the outside of base 1. Base 1 supports support plate 2.

[0035] Reference Figures 2 to 4A sliding plate 21 is slidably connected to one side of the sliding block 20, providing sliding support for the sliding block 20. A protective shell 25 is fixedly connected to the outside of the sliding plate 21, providing support for the sliding plate 21. The protective shell 25 is also fixedly connected to the outside of the hydraulic cylinder 15, providing support for the hydraulic cylinder 15. The hydraulic cylinder 15 is further fixedly connected to the outside of the support plate 2, providing support for the hydraulic cylinder 15. A motor 23 is fixedly connected to the outside of the base 1, providing support for the motor 23, which drives the operation. A rotating disk 24 is fixedly connected to the end, and a motor 23 drives the rotating disk 24 to rotate. A storage box 26 is fixedly connected to the outside of the base 1, and the base 1 provides support for the storage box 26. A transport block 27 is fixedly connected to the outside of the base 1, and the base 1 provides support for the transport block 27. Two connecting plates 12 are fixedly connected to the outside of the protective shell 4, and the protective shell 4 drives the connecting plates 12 to move. A support block 13 is fixedly connected to the outside of the connecting plates 12, and the connecting plates 12 drive the support block 13 to move. A needle 14 is fixedly connected to the outside of the support block 13, and the support block 13 drives the needle 14 to move.

[0036] Working principle: When the product is needed, firstly, hydraulic cylinder 315 is started. The drive end of hydraulic cylinder 315 drives gear block 16 to move, gear block 16 drives gear column 17 to move, gear column 17 drives drive plate 218 to rotate, drive plate 218 drives follower plate 219 to move, and follower plate 219 slides on sliding plate 21 by sliding block 20. Protective shell 25 provides support for sliding plate 21, realizing left and right movement. The suction machine 22 on follower plate 219 picks up rubber products that have not been injected. Start motor 23, motor 23 rotates and drives Rotary disk 24 rotates, and there are multiple slots on rotary disk 24 for placing rubber products. The suction machine 22 sequentially suctions the rubber products and then places the rubber products on the transport block 27. The transport block 27 moves to the clamping assembly and then stops. The hydraulic cylinder 3 on the support plate 2 is activated. The hydraulic cylinder 3 drives the protective shell 4 to move. The hydraulic cylinder 5 inside the protective shell 4 is activated, which drives the connecting block 6 to move. The connecting block 6 moves downward, which drives the active plate 7 to move. The active plate 7 is supported by the sliding plate 8, which drives the follower plate 9 to move. The follower plate 9 drives the sliding block 10 to move.

[0037] Sliding block 10 slides on sliding plate 8, causing clamping blocks 11 to move closer to each other, thus clamping the rubber product. When connecting block 6 moves downward, it also drives connecting plate 12 to move. Connecting plate 12 drives support block 13 to move, and support block 13 drives needle 14 to move. Therefore, while clamping, the rubber product is pierced, ensuring that no mistakes are made during piercing. The pierced rubber product is then transported to storage box 26, and base 1 provides overall support.

[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 needle-threading device for rubber products, comprising a base (1), characterized in that: The base (1) is externally fixedly connected to a clamping assembly, and the base (1) is externally fixedly connected to an automatic feeding assembly; The clamping assembly includes a second hydraulic cylinder (5), the driving end of the second hydraulic cylinder (5) is rotatably connected to a connecting block (6), two active plates (7) are slidably connected to both sides of the connecting block (6), a sliding plate (8) is rotatably connected to the outside of the active plate (7), two follower plates (9) are rotatably connected to both sides of the sliding plate (8), a sliding block (10) is fixedly connected to the outside of the follower plate (9), a clamping block (11) is fixedly connected to the outside of the sliding block (10), and the sliding block (10) is slidably connected to the outside of the sliding plate (8).

2. The needle-threading device for rubber products according to claim 1, characterized in that: The automatic feeding assembly includes a hydraulic cylinder three (15), a gear block (16) is fixedly connected to the drive end of the hydraulic cylinder three (15), a gear column (17) is meshed with the gear block (16), an active plate two (18) is fixedly connected to the outside of the gear column (17), a follower plate two (19) is rotatably connected to the outside of the active plate two (18), a sliding block two (20) is slidably connected to the outside of the follower plate two (19), and a suction machine (22) is fixedly connected to the outside of the follower plate two (19).

3. The needle-threading device for rubber products according to claim 2, characterized in that: The hydraulic cylinder 2 (5) is externally fixedly connected to a protective shell (4), and the hydraulic cylinder 1 (3) is externally fixedly connected to the protective shell (4).

4. The needle-threading device for rubber products according to claim 3, characterized in that: The hydraulic cylinder (3) is externally fixedly connected to a support plate (2), and the support plate (2) is externally fixedly connected to the outside of the base (1).

5. A needle-threading device for rubber products according to claim 4, characterized in that: The sliding block 2 (20) is slidably connected to a sliding plate 2 (21) on one side. A protective shell (25) is fixedly connected to the outside of the sliding plate 2 (21). The protective shell (25) is fixedly connected to the outside of the hydraulic cylinder 3 (15). The hydraulic cylinder 3 (15) is fixedly connected to the outside of the support plate (2).

6. The needle-threading device for rubber products according to claim 1, characterized in that: A motor (23) is fixedly connected to the outside of the base (1), and a rotating disk (24) is fixedly connected to the drive end of the motor (23).

7. The needle-threading device for rubber products according to claim 1, characterized in that: The base (1) is externally fixedly connected to a storage box (26), and the base (1) is externally fixedly connected to a transport block (27).

8. A needle-threading device for rubber products according to claim 3, characterized in that: The protective shell (4) is fixedly connected to two connecting plates (12), and a support block (13) is fixedly connected to the outside of the connecting plates (12), and a needle (14) is fixedly connected to the outside of the support block (13).