Chip connector pin detection jig

Abstract

The utility model discloses a chip connector pin detection fixture, including base, the rear side of base end surface is equipped with support, the front side fixedly connected with positioning seat of base end surface, positioning seat is located support before. The utility model discloses through setting up the positioning groove that is matched with chip connector on positioning seat, and through mechanical pressure fixed chip connector's both ends at both ends, avoid the displacement or the shaking in the detection process, ensure that the test probe and the connector touch electricity alignment, compared with the contrast document of background art is more stable and reduces local stress damage, stress balance, when the slider of both ends moves to the edge, through the connecting of limiting hole no.

Description

Technical Field

[0001] This utility model relates to the field of electronic component testing technology, specifically a chip connector pin testing fixture. Background Technology

[0002] A chip connector is an interface element used to connect a chip to an external device or system. Its main function is to realize the electrical connection between chips and between chips and circuit boards, ensuring accurate data transmission. Through a series of tests and inspections, chip connectors ensure that their pins meet design requirements and operating standards in both electrical and physical aspects.

[0003] The prior art, disclosed in patent document CN219609147U, presents the following technical solution: a chip pin detection device, comprising a base, a support rod mounted on one side of the upper surface of the base, a top plate fixed to the upper surface of the base, a detection module mounted on one side of the upper surface of the top plate, a pneumatic push rod embedded in the upper surface of the top plate, a lifting seat fixed to the telescopic end below the pneumatic push rod, probes mounted around the lifting seat, a movable seat sleeved in the inner cavity of the base, an outer tube embedded in the inner cavity of the movable seat, an inner tube sleeved in the inner cavity of the outer tube, and a material tray fixed to the upper surface of the inner tube.

[0004] The above technical solution uses springs to fix the chip with clamps around the perimeter, making the clamping force rely entirely on the elasticity of the springs. This can easily lead to uneven pressure, causing thinner chips to tip over. Furthermore, after long-term use, spring fatigue can cause a decrease in positioning accuracy. Utility Model Content

[0005] The purpose of this invention is to provide a chip connector pin testing fixture to solve the problems mentioned in the background art.

[0006] To achieve the above objectives, the present invention provides the following technical solution: a chip connector pin detection fixture, including a base, a bracket provided on the rear side of the end face of the base, and a positioning seat fixedly connected to the front side of the end face of the base, the positioning seat being located in front of the bracket.

[0007] Both ends of the positioning seat are fixedly connected to sliding plates. Limiting holes one are opened on the front and rear sides of the sliding plates near the positioning groove. Slider blocks are snapped into the sliding plates. Limiting holes two are opened in the sliders. Screws are fixedly connected to the top side of the sliders. Locking nuts one are threadedly connected to the outer wall of the screws. Pressure plates are sleeved on the outer side of the screws above the locking nuts one. Locking nuts two are threadedly connected to the outer wall of the screws above the pressure plates. Limiting rods are inserted between limiting holes one and two. Pull plates are provided on one side of each limiting rod. A threaded section is opened on the other side of the limiting rod. Locking nuts three are threadedly connected to the outer side of the threaded section.

[0008] In the above technical solution, the two ends of the chip connector are fixed by mechanical pressure to prevent displacement or shaking during the test, ensure that the test probe and the connector contacts are aligned, which is more stable and reduces local stress damage and the force is balanced. In addition, the limiting rod connects the limiting hole one and the limiting hole two, which can fix the slider and prevent the slider from shifting during the test.

[0009] As a further preferred embodiment of this technical solution, an electric push rod is installed on the upper end of the bracket, and a mounting plate is bolted to the output end of the electric push rod. A transparent test plate is bolted to the bottom of the front end of the mounting plate, and a probe array module is provided on the transparent test plate.

[0010] As a further preferred embodiment of this technical solution, the probe array module includes a plurality of elastic probes arranged in an array.

[0011] As a further preferred embodiment of this technical solution, one end of the bracket is provided with a signal processing module, which is electrically connected to the probe array module.

[0012] In the above technical solution, the probe array module lands and contacts the chip connector pins, and the signal processing module reflects the chip connector data to determine whether the chip connector meets the design requirements.

[0013] As a further preferred embodiment of this technical solution, guide rods are provided at both ends below the bracket, and the outer wall of the guide rods is slidably connected to the inner wall of the through hole on the rear side of the mounting plate.

[0014] As a further preferred embodiment of this technical solution, the electric push rod is connected to an external power source and is used to drive the probe array module to rise and fall.

[0015] As a further preferred embodiment of this technical solution, the positioning base is provided with a positioning groove for placing a matching chip connector.

[0016] In the above technical solution, a positioning groove matching the chip connector is opened on the positioning seat.

[0017] This utility model provides a chip connector pin detection fixture, which has the following advantages:

[0018] (1) This utility model provides a positioning groove on the positioning seat that matches the chip connector, and fixes the two ends of the chip connector by mechanical pressure at both ends, so as to avoid displacement or shaking during the test, and ensure that the test probe and the connector contacts are aligned. Compared with the prior art, this utility model is more stable and reduces local stress damage, and the force is balanced.

[0019] (2) When the sliders at both ends move to the edge, the limiting rod connects the limiting hole one and the limiting hole two, thereby fixing the slider and preventing the slider from shifting during the detection process. The locking nut is set with three threads in the thread section, which can fix the limiting rod. Attached Figure Description

[0020] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0021] Figure 2 This is a schematic diagram of the chip connector pin detection structure of this utility model;

[0022] Figure 3 A schematic diagram of the structure for positioning the chip connector of this utility model;

[0023] Figure 4 This is a schematic diagram of the disassembled structure of the chip connector clamping mechanism of this utility model;

[0024] In the diagram: 1. Base; 2. Bracket; 3. Signal processing module; 21. Electric push rod; 22. Mounting plate; 23. Guide rod; 24. Transparent test plate; 25. Probe array module; 4. Positioning seat; 41. Positioning groove; 42. Slide plate; 421. Limiting hole one; 43. Slider; 431. Limiting hole two; 44. Screw; 45. Locking nut one; 46. Pressure plate; 47. Locking nut two; 48. Limiting rod; 481. Pull plate; 482. Threaded section; 483. Locking nut three. Detailed Implementation

[0025] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention.

[0026] This utility model provides a technical solution: such as Figure 1 and Figure 2 As shown, in this embodiment, a chip connector pin detection fixture includes a base 1, a bracket 2 on the rear side of the end face of the base 1, a positioning seat 4 fixedly connected to the front side of the end face of the base 1, the positioning seat 4 being located in front of the bracket 2, an electric push rod 21 mounted on the upper end of the bracket 2, the electric push rod 21 being connected to an external power supply for driving the probe array module 25 to rise and fall, a mounting plate 22 being bolted to the output end of the electric push rod 21, guide rods 23 being provided at both ends below the bracket 2, the outer wall of the guide rod 23 being slidably connected to the inner wall of the through hole on the rear side of the mounting plate 22, a transparent test plate 24 being bolted to the bottom of the front end of the mounting plate 22, a probe array module 25 being provided on the transparent test plate 24, the probe array module 25 including a plurality of elastic probes arranged in an array, a signal processing module 3 being provided at one end of the bracket 2, the signal processing module 3 being electrically connected to the probe array module 25.

[0027] like Figure 3 and Figure 4 As shown, the positioning seat 4 has a positioning groove 41 for placing a matching chip connector. Both ends of the positioning seat 4 are fixedly connected to sliding plates 42. Limiting holes 421 are provided on the front and rear sides of the sliding plates 42 near the positioning groove 41. Slider blocks 43 are engaged within the sliding plates 42, and each slider 43 has a second limiting hole 431. A screw 44 is fixedly connected to the top side of each slider 43. A locking nut 45 is threaded onto the outer wall of each screw 44. A pressure plate 46 is fitted on the outer side of the screw 44 above the locking nut 45. A silicone pad is provided at the bottom of the pressure plate 46. A second locking nut 47 is threaded onto the outer wall of the screw 44 above the pressure plate 46. A limiting rod 48 is inserted between the first limiting hole 421 and the second limiting hole 431, and a pull plate 481 is provided on one side of each limiting hole. The limit rod 48 has a threaded section 482 on the other side, and a locking nut 483 is threadedly connected to the outer side of the threaded section 482. When the sliders 43 at both ends move to the edge, the limit rod 48 connects the first limit hole 421 and the second limit hole 431, thereby fixing the slider 43 and preventing the slider 43 from shifting during the test. The locking nut 483 is threaded on the threaded section 482 and can fix the limit rod 48. By opening a positioning groove 41 that matches the chip connector on the positioning seat 4, and fixing the two ends of the chip connector by mechanical pressure at both ends, displacement or shaking during the test is prevented, ensuring that the test probe and the connector contacts are aligned. Compared with the prior art, it is more stable and reduces local stress damage, and the force is balanced.

[0028] This utility model provides a chip connector pin testing fixture, the specific working principle of which is as follows: The chip connector matching the positioning groove 41 is positioned in the positioning groove 41. The user slides the sliders 43 at both ends to bring them close to the chip connector. Then, the limiting rod 48 is inserted between the limiting hole 421 and the limiting hole 431. The locking nut 483 is rotated to fit onto the outer wall of the threaded section 482. Then, the locking nut 45 is rotated to a suitable position so that the rubber pad at the bottom of the fitted pressure plate 46 contacts the chip connector. Then, the locking nut 47 is fitted to fix the pressure plate 46. The electric push rod 21 is activated by an external control switch to make the probe array module 25 on the transparent test plate 24 descend and contact the chip connector pins. The signal processing module 3 reflects the chip connector data, thereby determining whether the chip connector meets the design requirements.

[0029] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A chip connector pin detection fixture, comprising a base (1), characterized in that: A bracket (2) is provided on the rear side of the end face of the base (1), and a positioning seat (4) is fixedly connected to the front side of the end face of the base (1). The positioning seat (4) is located in front of the bracket (2). Both ends of the positioning seat (4) are fixedly connected to slide plates (42). Limiting holes (421) are opened on the front and rear sides of the slide plates (42) near the positioning groove (41). Slider blocks (43) are snapped into the slide plates (42). Limiting holes (431) are opened in the sliders (43). Screws (44) are fixedly connected to the top side of the sliders (43). Locking nuts (45) are threaded onto the outer wall of the screws (44). Each of the screws (44) is fitted with a pressure plate (46) above the first locking nut (45). The screw (44) is threaded with a second locking nut (47) above the pressure plate (46). A limit rod (48) is inserted between the first limit hole (421) and the second limit hole (431). A pull plate (481) is provided on one side of each limit rod (48). A threaded section (482) is provided on the other side of the limit rod (48). A third locking nut (483) is threaded on the outside of the threaded section (482).

2. The chip connector pin detection fixture according to claim 1, characterized in that: An electric push rod (21) is installed on the upper end of the bracket (2). The output end of the electric push rod (21) is bolted to a mounting plate (22). A transparent test plate (24) is bolted to the bottom of the front end of the mounting plate (22). A probe array module (25) is provided on the transparent test plate (24).

3. The chip connector pin detection fixture according to claim 2, characterized in that: The probe array module (25) includes a plurality of elastic probes arranged in an array.

4. The chip connector pin detection fixture according to claim 1, characterized in that: The bracket (2) is provided with a signal processing module (3) at one end, and the signal processing module (3) is electrically connected to the probe array module (25).

5. A chip connector pin detection fixture according to claim 1, characterized in that: Guide rods (23) are provided at both ends below the bracket (2), and the outer wall of the guide rod (23) is slidably connected to the inner wall of the through hole on the rear side of the mounting plate (22).

6. A chip connector pin detection fixture according to claim 2, characterized in that: The electric push rod (21) is connected to an external power source and is used to drive the probe array module (25) to rise and fall.

7. A chip connector pin detection fixture according to claim 1, characterized in that: The positioning base (4) has a positioning groove (41) for placing a matching chip connector.

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