A positioning fixture for chip testing

By designing positioning fixtures that adapt to chips of different specifications, the problem of traditional chip detection positioning fixtures requiring customization is solved, achieving stable clamping, shock absorption, and protection, and improving detection efficiency.

CN224317667UActive Publication Date: 2026-06-02BEIJING HAOHAI YUNXIN TECH CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
BEIJING HAOHAI YUNXIN TECH CO LTD
Filing Date
2025-07-17
Publication Date
2026-06-02

AI Technical Summary

Technical Problem

Traditional chip testing and positioning fixtures need to be customized according to chip specifications, which makes replacement time-consuming and labor-intensive, and difficult to adapt to the testing needs of chips of different specifications.

Method used

Design a positioning fixture that includes a fixed box, a clamping assembly, a damping spring, a blocking assembly, and a docking assembly. The clamping assembly stabilizes the chip, the damping spring reduces shock, the blocking assembly provides protection, and the docking assembly provides connection, adapting to the testing of chips of different specifications.

Benefits of technology

It achieves stable clamping and vibration reduction of chips of different specifications, prevents impurities from entering, and enhances the adaptability and detection efficiency of the positioning fixture.

✦ Generated by Eureka AI based on patent content.

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Abstract

This utility model belongs to the field of chip testing technology, specifically a positioning fixture for chip testing, including a fixed box; the fixed box has a docking component on its side wall; the fixed box has a placement compartment on its top; multiple placement compartments are provided; a damping spring is installed at the bottom of the inner side wall of each placement compartment; a placement plate is installed at the top of the damping spring; a clamping component is provided on the inner side wall of the placement compartment; a blocking component is slidably fitted on the side wall of the placement compartment; the clamping component can clamp and stabilize the chip to be tested; the damping spring can dampen the chip on the top of the placement plate during testing; the blocking component can block and protect the top of the placement compartment when the fixed box is stationary, preventing impurities from entering the placement compartment; the docking component can connect multiple fixed boxes, enhancing the positioning adaptability of the chip testing positioning fixture.
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Description

Technical Field

[0001] This utility model belongs to the field of chip testing technology, specifically a positioning fixture for chip testing. Background Technology

[0002] Chips need to be tested during production. Testing can demonstrate the chip's performance under different working environments and ensure its stable operation in practical applications. Chip testing runs through the entire process from chip design to application and is a key link in ensuring chip quality, performance, reliability and security.

[0003] When performing chip testing, the chip needs to be positioned to facilitate accurate testing by the testing equipment. To address potential interferences such as temperature changes and mechanical vibrations during the testing process, the positioning and clamping system can adjust its position to maintain testing accuracy.

[0004] After prolonged use, it was found that traditional chip detection and positioning fixtures are custom-designed according to chip specifications. This means that when faced with positioning and placement requirements for chips of different specifications, the fixtures need to be changed, which is not only time-consuming and labor-intensive but also affects the chip detection process.

[0005] Therefore, this utility model provides a positioning fixture for chip detection. Utility Model Content

[0006] In order to overcome the shortcomings of the prior art, at least one technical problem raised in the background art is solved.

[0007] The technical solution adopted by this utility model to solve its technical problem is as follows: A positioning fixture for chip testing, comprising a fixed box; a docking assembly is provided on the side wall of the fixed box; a placement compartment is provided on the top of the fixed box; multiple placement compartments are provided; a damping spring is installed at the bottom of the inner side wall of each placement compartment; a placement plate is installed at the top of the damping spring; a clamping assembly is provided on the inner side wall of the placement compartment; and a blocking assembly is slidably fitted on the side wall of the placement compartment. Through the above structure, the clamping assembly can stably clamp the chip to be tested; the damping spring can dampen and buffer the chip on the top of the placement plate during testing; the blocking assembly can protect the top of the placement compartment when the fixed box is stationary, preventing impurities from entering the placement compartment; and the docking assembly allows multiple fixed boxes to be connected, enhancing the positioning adaptability of the chip testing positioning fixture.

[0008] Preferably, the clamping assembly includes a sliding groove; a first spring is fixedly connected to the inner sidewall of the sliding groove; a sliding rod is fixedly connected to the end of the first spring; the sliding rod is in sliding fit with the sidewall of the fixed box; a clamping plate is fixedly connected to the end of the sliding rod; and a limiting component is provided on the sidewall of the clamping plate. With the above structure, the first spring and the sliding rod can be used to clamp chips of different specifications using the clamping plate, and the limiting component can limit and stabilize the chip, further enhancing the clamping and adjustment effect of the positioning fixture for chip detection.

[0009] Preferably, the blocking assembly includes a sealing plate; a docking block is fixedly connected to the side wall of the sealing plate; a fixing frame is slidably fitted to the inner side wall of the docking block; through the above structure, the setting of the docking block and the fixing frame can facilitate synchronous control of the sealing plate, facilitate sealing treatment of the top of the fixing box, and further enhance the blocking and sealing effect of the positioning fixture for chip detection.

[0010] Preferably, the top of the placement plate is provided with a mounting groove; a rubber disc is slidably fitted on the inner side wall of the mounting groove; with the above structure, the mounting groove and the rubber disc can be inserted into the rubber disc when facing a chip with pins, avoiding pin bending during testing, and further enhancing the chip pin protection effect of the positioning fixture for chip testing.

[0011] Preferably, the docking assembly includes a connecting groove; a connecting block is fixedly connected to the outer wall of the fixed box; the inner wall of the connecting groove and the connecting block are in sliding fit; through the above structure, the setting of the connecting groove and the connecting block can dock multiple fixed boxes as needed to form a whole, further enhancing the docking stability effect of the chip detection positioning fixture.

[0012] Preferably, the limiting component includes a limiting groove; through the above structure, the limiting groove can limit the size of chips when they are clamped, further enhancing the limiting effect of the positioning fixture for chip detection.

[0013] Preferably, pull rings are fixedly connected to the top of both the sealing plate and the fixing frame; through the above structure, the pull rings make the control of the sealing plate and the fixing frame more convenient, further enhancing the control and portability of the positioning fixture for chip detection.

[0014] The beneficial effects of this utility model are as follows:

[0015] 1. The positioning fixture for chip testing described in this utility model can stably clamp the chip to be tested through the setting of the clamping component, the damping spring can reduce shock and buffer the chip on the top of the placement plate during testing through the damping spring, the blocking component can block and protect the top of the placement chamber when the fixed box is stationary to prevent impurities from entering the placement chamber, and the docking component can connect multiple fixed boxes to enhance the positioning adaptability of the positioning fixture for chip testing.

[0016] 2. The positioning fixture for chip detection described in this utility model can adapt to the clamping of chips of different specifications by using a clamping plate through the setting of a first spring and a sliding rod, and can limit and stabilize the chip through the setting of a limiting component, thereby further enhancing the clamping and adjustment effect of the positioning fixture for chip detection. Attached Figure Description

[0017] The present invention will be further described below with reference to the accompanying drawings.

[0018] Figure 1 This is a perspective view of the present invention;

[0019] Figure 2 This is a schematic diagram of the placement compartment structure in this utility model;

[0020] Figure 3 This is a schematic diagram of the first spring structure in this utility model;

[0021] Figure 4 This is a schematic diagram of the fixing frame structure in this utility model.

[0022] In the diagram: 1. Fixed box; 11. Placement compartment; 12. Damping spring; 13. Placement plate; 2. Slide groove; 21. First spring; 22. Slide rod; 23. Clamping plate; 3. Sealing plate; 31. Connecting block; 32. Fixed frame; 4. Mounting groove; 41. Rubber disc; 5. Connecting groove; 51. Connecting block; 6. Limiting groove; 7. Pull ring. Detailed Implementation

[0023] To make the technical means, creative features, objectives and effects of this utility model easier to understand, the present utility model will be further described below in conjunction with specific embodiments.

[0024] like Figures 1 to 4As shown, a positioning fixture for chip detection according to an embodiment of this utility model includes a fixed box 1; a docking assembly is provided on the side wall of the fixed box 1; a placement compartment 11 is provided on the top of the fixed box 1; multiple placement compartments 11 are provided; a damping spring 12 is installed at the bottom of the inner side wall of each placement compartment 11; a placement plate 13 is installed at the top of the damping spring 12; a clamping assembly is provided on the inner side wall of the placement compartment 11; a blocking assembly is slidably fitted on the side wall of the placement compartment 11; during operation, the clamping assembly can adaptably clamp the chip placed on the top of the placement plate 13, the damping spring 12 can buffer the up-and-down vibration of the chip caused by detection, and the blocking assembly can prevent the chip from vibrating when not in use. The top of the placement chamber 11 is sealed to reduce the entry of external impurities into the placement chamber 11. The docking component allows multiple fixed boxes 1 to be docked to form a whole, facilitating the testing operation. The clamping component can hold and stabilize the chip to be tested. The damping spring 12 can reduce shock and buffer the chip on the top of the placement plate 13 during testing. The blocking component can block and protect the top of the placement chamber 11 when the fixed box 1 is stationary, preventing impurities from entering the placement chamber 11. The docking component can connect multiple fixed boxes 1, enhancing the positioning adaptability of the chip testing positioning fixture.

[0025] like Figures 1 to 3 As shown, the clamping assembly includes a sliding groove 2; a first spring 21 is fixedly connected to the inner side wall of the sliding groove 2; a sliding rod 22 is fixedly connected to the end of the first spring 21; the sliding rod 22 is in sliding fit with the side wall of the fixed box 1; a clamping plate 23 is fixedly connected to the end of the sliding rod 22; a limiting component is provided on the side wall of the clamping plate 23; during operation, the first spring 21 and the sliding rod 22 can provide elastic force when the clamping plate 23 is opened by the chip, which facilitates the clamping of chips of different specifications. The limiting component can limit and stabilize the chip to be clamped; the setting of the first spring 21 and the sliding rod 22 allows the clamping plate 23 to clamp chips of different specifications, and the setting of the limiting component can limit and stabilize the chip, further enhancing the clamping and adjustment effect of the positioning fixture for chip detection.

[0026] like Figures 1 to 4 As shown, the blocking assembly includes a sealing plate 3; a docking block 31 is fixedly connected to the side wall of the sealing plate 3; a fixing frame 32 is slidably fitted to the inner side wall of the docking block 31; during operation, the two sealing plates 3 can be connected by the fixing frame 32 through the docking block 31, which facilitates the synchronous operation of the two sealing plates 3 and blocks and seals the stationary unused fixed box 1; the setting of the docking block 31 and the fixing frame 32 facilitates the synchronous control of the sealing plates 3, facilitates the sealing treatment of the top of the fixed box 1, and further enhances the blocking and sealing effect of the chip detection positioning fixture.

[0027] like Figure 3As shown, the top of the placement plate 13 is provided with a mounting groove 4; a rubber disc 41 is slidably fitted on the inner side wall of the mounting groove 4; during operation, the mounting groove 4 and the rubber disc 41 can be used to insert and fix chips with bottom pins when facing them; the mounting groove 4 and the rubber disc 41 can be used to insert chips with pins into the rubber disc 41 when facing them, avoiding pin bending during testing, and further enhancing the chip pin protection effect of the positioning fixture for chip testing.

[0028] like Figures 1 to 2 As shown, the docking assembly includes a connecting groove 5; a connecting block 51 is fixedly connected to the outer wall of the fixed box 1; the inner wall of the connecting groove 5 and the connecting block 51 are in sliding fit; during operation, multiple fixed boxes 1 can be docked to form a whole through the connecting groove 5 and the connecting block 51, which can position and place more chips; through the setting of the connecting groove 5 and the connecting block 51, multiple fixed boxes 1 can be docked to form a whole as needed, which further enhances the docking stability effect of the chip detection positioning fixture.

[0029] like Figure 3 As shown, the limiting component includes a limiting groove 6; during operation, the limiting groove 6 can limit and stabilize chips that exceed the area of ​​the placement plate 13; the limiting groove 6 can limit the clamping of chips that are too large, further enhancing the limiting effect of the positioning fixture for chip detection.

[0030] like Figures 1 to 4 As shown, both the sealing plate 3 and the fixing frame 32 are fixedly connected to the top of a pull ring 7. During operation, the sealing plate 3 and the fixing frame 32 can be controlled more conveniently through the pull ring 7. The setting of the pull ring 7 makes the control of the sealing plate 3 and the fixing frame 32 more convenient, further enhancing the control and portability of the positioning fixture for chip detection.

[0031] During operation, the clamping assembly can adaptably clamp the chip placed on top of the placement plate 13. The damping spring 12 can buffer the vertical vibration of the chip caused by the test. The blocking assembly can seal the top of the placement chamber 11 when not in use, reducing the entry of external impurities into the placement chamber 11. The docking assembly can dock multiple fixing boxes 1 to form a whole, facilitating the test operation. The first spring 21 and the slide bar 22 can provide elasticity when the clamping plate 23 is opened by the chip, which can adapt to the clamping of chips of different sizes. The limiting assembly can limit the chips that need to be clamped. For limiting and stabilizing, the docking block 31 allows the two sealing plates 3 to be connected using the fixing frame 32, facilitating synchronous operation of the two sealing plates 3 and blocking and sealing the stationary unused fixing box 1. The mounting groove 4 and rubber disc 41 allow for insertion and fixing of chips with bottom pins. The connecting groove 5 and connecting block 51 allow multiple fixing boxes 1 to be docked to form a whole, enabling the positioning and placement of more chips. The limiting groove 6 can limit and stabilize chips that exceed the area of ​​the placement plate 13. The pull ring 7 makes it easier to control the operation of the sealing plate 3 and the fixing frame 32.

[0032] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A positioning fixture for chip detection, comprising a fixed box (1); characterized in that: The fixed box (1) has a docking assembly on its side wall; the fixed box (1) has a placement compartment (11) on its top; there are multiple placement compartments (11); each placement compartment (11) has a damping spring (12) installed at the bottom of its inner side wall; a placement plate (13) is installed at the top of the damping spring (12); the placement compartment (11) has a clamping assembly on its inner side wall; and the placement compartment (11) has a blocking assembly that slides on its side wall.

2. The positioning fixture for chip detection according to claim 1, characterized in that: The clamping assembly includes a slide groove (2); a first spring (21) is fixedly connected to the inner side wall of the slide groove (2); a slide rod (22) is fixedly connected to the end of the first spring (21); the slide rod (22) is in sliding fit with the side wall of the fixed box (1); a clamping plate (23) is fixedly connected to the end of the slide rod (22); and a limiting assembly is provided on the side wall of the clamping plate (23).

3. The positioning fixture for chip detection according to claim 1, characterized in that: The blocking assembly includes a sealing plate (3); a docking block (31) is fixedly connected to the side wall of the sealing plate (3); and a fixing frame (32) is slidably fitted to the inner side wall of the docking block (31).

4. The positioning fixture for chip detection according to claim 1, characterized in that: The top of the placement plate (13) is provided with an installation groove (4); a rubber disc (41) is slidably fitted on the inner side wall of the installation groove (4).

5. The positioning fixture for chip detection according to claim 1, characterized in that: The docking assembly includes a connecting groove (5); a connecting block (51) is fixedly connected to the outer wall of the fixed box (1); the inner wall of the connecting groove (5) and the connecting block (51) are in sliding fit.

6. The positioning fixture for chip detection according to claim 2, characterized in that: The limiting component includes a limiting groove (6).

7. The positioning fixture for chip detection according to claim 3, characterized in that: Pull rings (7) are fixed to the top of both the sealing plate (3) and the fixing frame (32).