Silver contact joint force detection tool

By combining cylinder drive and manual operation in a dual-drive design, the problems of inflexibility and inaccurate clamping force control in silver contact detection tooling are solved, enabling rapid clamping and precise fine-tuning, thus improving the flexibility and accuracy of detection.

CN224456201UActive Publication Date: 2026-07-03HUAYUAN ELECTRONICS (DONGGUAN) CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
HUAYUAN ELECTRONICS (DONGGUAN) CO LTD
Filing Date
2025-09-25
Publication Date
2026-07-03

AI Technical Summary

Technical Problem

Existing silver contact testing fixtures suffer from poor operational flexibility and inaccurate clamping force control, making it difficult to meet the demands for efficient and precise testing.

Method used

It adopts a dual-drive design that combines cylinder drive and manual operation. The cylinder enables rapid clamping, while manual fine-tuning ensures precision. The lead screw transmission structure ensures the stability and accuracy of clamping.

Benefits of technology

It enables rapid clamping and precise fine-tuning, improving the flexibility and accuracy of testing operations and meeting high-standard testing requirements.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a kind of silver contact joint force detection tool, relating to silver contact detection technical field, including tool seat, the tool seat upper end one end is fixedly connected with clamping block one, the other end of tool seat upper end is slidably connected with clamping block two;The silver contact joint force detection tool;Through the dual drive design of combination of cylinder drive and manual operation, both realize the high efficiency of pneumatic quick clamping, also retain the accuracy of manual fine adjustment, greatly improve the flexibility and accuracy of detection operation.Synchronously moved by controller, symmetrical cylinder guarantees the stability of clamping process and the uniformity of clamping force.Screw transmission structure cooperates support block, ensure the straightness and stability of clamping block movement, improve the reliability of detection result.The setting of operating cylinder and handle makes manual operation more labor-saving and convenient.The tool structure design is reasonable, and practical, can satisfy the high standard requirement of silver contact joint force detection.
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Description

Technical Field

[0001] This utility model relates to the field of silver contact testing technology, specifically a tooling for testing the bonding force of silver contacts. Background Technology

[0002] As a key component in electrical switches, the silver contact's engagement force directly affects contact reliability and product lifespan. During production, the engagement force of the silver contacts must be accurately tested. Currently, most common testing fixtures employ a single drive method, such as purely pneumatic or purely manual clamping, which suffers from poor operational flexibility and inaccurate clamping force control. While purely pneumatic clamping is labor-saving, it is difficult to make fine adjustments, while purely manual clamping is inefficient and labor-intensive, failing to meet the demands for efficient and accurate testing.

[0003] Therefore, there is a need for a testing fixture that can combine the advantages of both driving methods, enabling both rapid clamping and precise adjustment. Utility Model Content

[0004] To address the shortcomings of existing technologies, this utility model provides a silver contact bonding force testing fixture, which solves the problem of silver contact bonding force testing. Compared with traditional bonding force testing, clamping testing is faster and more stable, and it increases the number of clamping methods.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a silver contact bonding force testing fixture, comprising a fixture base, a clamping block one fixedly connected to one end of the upper end of the fixture base, a clamping block two slidably connected to the other end of the upper end of the fixture base, a control end fixedly fixed to the top of the fixture base, and an air inlet pipe fixedly connected to the side of the control end; cylinders fixedly connected to both sides of the end of the clamping block two on the fixture base, connecting members fixedly connected to the ends of the two cylinders, a lead screw limitedly connected in the middle of the connecting members, and a threaded connection between the lower end of the clamping block two and the lead screw; a support block fixedly fixed inside the fixture base, and the end of the lead screw slidably disposed with the support block.

[0006] Furthermore: a hexagonal rod is fixedly connected to one end of the lead screw near the control end; an operating cylinder is rotatably installed inside the control end, and the hexagonal rod is matched and limited by the operating cylinder.

[0007] Furthermore, a handle is inserted into the outer end of the operating cylinder.

[0008] Furthermore, the two cylinders are symmetrically distributed and move synchronously through a controller.

[0009] Furthermore: one end of the air inlet pipe is connected to an external air source, and the other end of the air inlet pipe is connected to the cylinder for air supply.

[0010] Furthermore: a protective cover is fixed to the upper end of the tooling base, the protective cover is located between the clamping block two and the control end, and the clamping block two is slidably located inside the protective cover.

[0011] This invention provides a fixture for testing the bonding force of silver contacts. Compared with the prior art, it has the following advantages:

[0012] This silver contact bonding force testing fixture features a dual-drive design combining pneumatic cylinder operation and manual operation. This achieves both the high efficiency of rapid pneumatic clamping and the precision of manual fine-tuning, significantly improving the flexibility and accuracy of the testing operation. Symmetrically arranged cylinders move synchronously via a controller, ensuring smooth clamping and uniform clamping force. A lead screw drive structure, in conjunction with a support block, ensures the straightness and stability of the clamping block's movement, improving the reliability of the test results. The operating cylinder and handle make manual operation more effortless and convenient. This fixture has a reasonable structural design, strong practicality, and can meet the high standards required for silver contact bonding force testing. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0014] Figure 2 This is a schematic diagram of the connecting component and lead screw of this utility model;

[0015] Figure 3 This is a schematic diagram of the tooling base and cylinder of this utility model;

[0016] Figure 4 for Figure 3 Enlarged structural diagram at point A;

[0017] Figure 5 for Figure 3 Enlarged structural diagram at point B.

[0018] In the diagram: 1. Tooling base; 2. Clamping block one; 3. Clamping block two; 4. Control end; 5. Air inlet pipe; 6. Cylinder; 7. Protective cover; 8. Connecting piece; 9. Lead screw; 10. Hexagonal rod; 11. Operating cylinder; 12. Handle; 13. Support block. Detailed Implementation

[0019] 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.

[0020] Please see Figure 1-5 This utility model provides a technical solution: a silver contact bonding force testing fixture; specifically, it includes a fixture base 1, with a clamping block 2 fixedly connected to one upper end of the fixture base 1, and a clamping block 3 slidably connected to the other upper end of the fixture base 1. This is existing known technology for fixtures and will not be described in detail here. A control terminal 4 is fixedly connected to the top of the fixture base 1, and an air inlet pipe 5 is fixedly connected to the side of the control terminal 4. The air inlet pipe 5 is connected to an external air source for air supply. Cylinders 6 are fixedly connected to both sides of the end of the fixture base 1 located at the clamping block 3. The symmetrically distributed cylinders 6 move synchronously through a controller. The ends of the two cylinders 6... The connecting part 8 is fixedly connected to the connecting part 8. The middle position of the connecting part 8 is limited by the lead screw 9. The inside of the clamping block 2 3 is threadedly connected to the lead screw 9. The connecting part 8 is pushed to move by the cylinder 6, and then the lead screw 9 is pushed forward by the connecting part 8. The lead screw 9 drives the clamping block 2 3 to move towards the clamping block 1 2 to form a clamp. When the clamping block 2 3 drives the lead screw 9 to move forward by the thread, the support block 13 is fixed inside the tooling seat 1. The lead screw 9 and the support block 13 are slidably set. The support block 13 plays a role in stabilizing the support. The part is placed between the clamping block 1 2 and the clamping block 2 3 to test the resultant force effect of the parts.

[0021] A hexagonal rod 10 is fixedly connected to the outer end of the lead screw 9. An operating cylinder 11 is rotatably installed inside the control end 4. The hexagonal rod 10 and the operating cylinder 11 are matched and limited by an insertion. That is, the rotation of the operating cylinder 11 can drive the hexagonal rod 10 to rotate, and the hexagonal rod 10 can drive the lead screw 9 to rotate. In turn, the lead screw 9 pushes the clamping block 3 to move forward. A handle 12 is inserted into the outer end of the operating cylinder 11. The handle 12 can be manually operated to drive the clamping block 3 to move. In this way, with the help of the cylinder 6, two different clamping methods can be realized.

[0022] A protective cover 7 is fixedly connected to the upper end of the tooling base 1. The protective cover 7 is located between the clamping block 2 3 and the control end 4, which can effectively provide safety protection measures to prevent the operator's hands from contacting the internal lead screw 9.

Claims

1. A fixture for testing the bonding force of silver contacts, comprising a fixture base (1), wherein a clamping block (2) is fixedly connected to one end of the upper end of the fixture base (1), and a clamping block (3) is slidably connected to the other end of the upper end of the fixture base (1), characterized in that: The tooling base (1) has a control end (4) fixed at the top, and an air inlet pipe (5) is fixedly connected to the side of the control end (4); the tooling base (1) has cylinders (6) fixedly connected to both sides of the end of the clamping block (3), and the ends of the two cylinders (6) are fixedly connected to connectors (8), and the connectors (8) are limited by a lead screw (9) in the middle. The lower end of the clamping block (3) is threadedly connected to the lead screw (9); the tooling base (1) has a support block (13) fixed inside, and the end of the lead screw (9) is slidably set with the support block (13).

2. The silver contact bonding force detection tool according to claim 1, characterized by: The lead screw (9) is fixedly connected to a hexagonal rod (10) at one end near the control end (4); an operating cylinder (11) is rotatably installed inside the control end (4), and the hexagonal rod (10) and the operating cylinder (11) are matched and limited by insertion.

3. The silver contact bonding force detection tool according to claim 2, characterized by: A handle (12) is inserted into the outer end of the operating cylinder (11).

4. The silver contact bonding force detection tool of claim 1, wherein: The two cylinders (6) are symmetrically distributed and move synchronously through a controller.

5. The silver contact bonding force detection tool of claim 1, wherein: One end of the air inlet pipe (5) is connected to an external air source, and the other end of the air inlet pipe (5) is connected to the cylinder (6) for air supply.

6. The silver contact bonding force detection tool of claim 1, wherein: The upper end of the tooling base (1) is fixed with a protective cover (7). The protective cover (7) is located between the clamping block two (3) and the control end (4), and the clamping block two (3) is slidably located inside the protective cover (7).