A multi-connector motherboard crimping test fixture
By designing a multi-connector motherboard crimping test fixture, automated crimping testing of multiple connectors on the motherboard was achieved, solving the problem of low efficiency in manual testing in existing technologies and improving testing efficiency and stability.
Patent Information
- Application Number
- CN202111549497.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2021-12-17
- Publication Date
- 2025-01-07
- Estimated Expiration
- 2041-12-17
AI Technical Summary
In existing technologies, testing multiple connectors on a motherboard requires manual crimping, resulting in slow testing speed, low efficiency, and high manpower consumption.
Design a multi-connector motherboard crimping test fixture, comprising an electrical box, a horizontal slide, a vertical slide, a drive mechanism, a lower crimping assembly, and an upper crimping assembly. Through the cooperation of the drive mechanism, automated crimping testing of multiple connectors can be achieved.
It improves testing efficiency, ensures stable contact between the connector and the test mold core, saves labor, and enhances the stability and efficiency of testing.
Smart Images

Figure CN114062902B_ABST
Abstract
Description
Technical Field
[0001] The present invention relates to the field of testing fixtures, and in particular to a multi-connector motherboard crimping testing fixture. Background Art
[0002] The motherboard, also called mainboard, systemboard, or motherboard, is one of the most basic and important components of computers and other equipment. The motherboard is generally a rectangular circuit board on which the main circuit systems that make up the computer are installed, generally including BIOS chip, I / O control chip, keyboard and panel control switch interface, indicator light connector, expansion slot, DC power supply connector of the motherboard and plug-in card, etc.
[0003] At present, in the detection process of panels, integrated circuits, semiconductors, batteries, new energy and other industries, some need to simultaneously crimp multiple connectors on the motherboard to test the signal conduction; in the existing technology, most of them use manual connector buckling or single connector crimping, which has very low test speed and efficiency and consumes manpower. Therefore, it is necessary to study a solution to solve the above problems. Summary of the invention
[0004] In view of this, the present invention aims to address the deficiencies in the prior art, and its main purpose is to provide a multi-connector motherboard crimping test fixture, which can be used to perform crimping tests on multiple connectors of a motherboard, effectively improving test efficiency and stability.
[0005] To achieve the above purpose, the present invention adopts the following technical solutions:
[0006] A multi-connector motherboard crimping test fixture comprises an electrical box, a horizontal slide, a vertical slide, a first drive mechanism, a second drive mechanism, a lower crimping assembly and an upper crimping assembly; the horizontal slide can be movably arranged on the top of the electrical box horizontally and back and forth, the first drive mechanism is arranged on the top of the electrical box and drives the horizontal slide to move horizontally and back and forth, and the first drive mechanism is electrically connected to the electrical box; the vertical slide can be movably arranged on the horizontal slide up and down, the second drive mechanism is arranged on the horizontal slide and drives the vertical slide to move up and down, and the second drive mechanism is electrically connected to the electrical box The lower crimping assembly comprises a bottom plate, a product carrier plate and a plurality of test mold cores. The bottom plate is fixed to the top of the electrical box, the product carrier plate is stacked on the bottom plate, the surface of the product carrier plate is provided with a concave cavity for placing the main board, the bottom surface of the concave cavity is provided with a plurality of slots, a plurality of test mold cores are arranged on the bottom plate and extend upward into the corresponding slots respectively, each test mold core is connected to the electrical box, and each test mold core is in floating alignment contact with the corresponding connector; the upper crimping assembly is arranged on the vertical slide and is located above the lower crimping assembly, and the upper crimping assembly is adapted to the lower crimping assembly.
[0007] Preferably, the electrical box has a top plate, the surface of which is provided with a horizontal slide rail, the horizontal slide rail extending forward and backward, the horizontal slide seat being slidably mounted on the horizontal slide rail and moving back and forth along the horizontal slide rail.
[0008] Preferably, the first driving mechanism is a cylinder.
[0009] Preferably, the horizontal slide seat is provided with a vertical slide rail, the vertical slide rail extends up and down, and the vertical slide seat is slidably mounted on the vertical slide rail and moves back and forth up and down along the vertical slide rail.
[0010] Preferably, the second driving mechanism is a cylinder.
[0011] Preferably, the product carrier plate is mounted on the bottom plate in a floating manner up and down by means of guide columns, elastic devices, guide sleeves and equal height screws, and the bottom plate is provided with limiting columns for limiting the position of the product carrier plate.
[0012] Preferably, the product carrier is provided with a plurality of positioning posts for positioning the main board, and the plurality of positioning posts are distributed on the edge of the cavity.
[0013] Preferably, the test core includes a rear connector cover, a core-fixing rear cover, a core-fixing seat, a floating plate and a positioning piece. The core-fixing rear cover is arranged above the rear connector cover, the core-fixing seat is arranged on the core-fixing rear cover, the core fixing seat is provided with a core part and a thin film probe, the thin film probe is electrically connected to the electrical box, the floating plate can be floated up and down on the core fixing seat through a guide column and a spring, and the positioning piece positions the floating plate.
[0014] Preferably, the upper crimping assembly includes a crimping upper plate and a clamping plate, and the clamping plate is arranged below the crimping upper plate.
[0015] Preferably, the clamping plate is installed below the crimping upper plate so as to be elastically movable up and down through guide pillars, linear bearings and a plurality of elastic devices.
[0016] Compared with the prior art, the present invention has obvious advantages and beneficial effects. Specifically, it can be seen from the above technical solution that:
[0017] By cooperating with the lower crimping assembly and the upper crimping assembly, the lower crimping assembly has a plurality of test mold cores, and the first driving mechanism and the second driving mechanism are cooperating to simultaneously perform crimping tests on a plurality of connectors on the mainboard, without the need to manually use the connectors to buckle one by one, which effectively improves the test efficiency. At the same time, each test mold core is in floating alignment contact with the corresponding connector, which has good stability, high reliability, and saves labor, bringing convenience to production operations.
[0018] In order to more clearly illustrate the structural features and effects of the present invention, the present invention is described in detail below in conjunction with the accompanying drawings and specific embodiments: BRIEF DESCRIPTION OF THE DRAWINGS
[0019] Figure 1 It is a three-dimensional schematic diagram of a preferred embodiment of the present invention;
[0020] Figure 2 is an enlarged schematic diagram of an electrical box in a preferred embodiment of the present invention;
[0021] Figure 3 It is a schematic diagram of the internal structure of a preferred embodiment of the present invention;
[0022] Figure 4 yes Figure 3 A partial exploded view of
[0023] Figure 5 It is another schematic diagram of the internal structure of a preferred embodiment of the present invention;
[0024] Figure 6 yes Figure 5 A partial exploded view of
[0025] Figure 7 yes Figure 6 A partial exploded view of the .
[0026] Description of the accompanying drawings:
[0027] 10. Electric box 11. Top plate
[0028] 12. Horizontal slide rail 21. Horizontal slide seat
[0029] 22. Vertical slide 23. First drive mechanism
[0030] 24. Second driving mechanism 25. Vertical slide rail
[0031] 30. Lower crimping assembly 31. Bottom plate
[0032] 32. Product carrier board 33. Test mold core
[0033] 331, rear connector cover 332, core fixed rear cover
[0034] 333, core fixing seat 334, floating plate
[0035] 335, positioning piece 336, core piece
[0036] 337, thin-film probe 34, guide column
[0037] 35. Elastic device 36. Guide sleeve
[0038] 37. Equal height screws 38. Limiting column
[0039] 39. Positioning column 301, concave cavity
[0040] 302, slot 40, upper crimping assembly
[0041] 41. Press the upper plate 42. Press the plate
[0042] 43. Guide column 44. Linear bearing
[0043] 45. Elastic device 50. Main board DETAILED DESCRIPTION
[0044] Please refer to Figures 1 to 7 As shown, it shows the specific structure of the preferred embodiment of the present invention, including an electrical box 10, a horizontal slide 21, a vertical slide 22, a first driving mechanism 23, a second driving mechanism 24, a lower crimping assembly 30 and an upper crimping assembly 40.
[0045] The horizontal slide 21 can be arranged on the top of the electric box 10 so as to be movable back and forth horizontally. The first driving mechanism 23 is arranged on the top of the electric box 10 and drives the horizontal slide 21 to move back and forth horizontally. The first driving mechanism 23 is electrically connected to the electric box 10. The vertical slide 22 can be arranged on the horizontal slide 21 so as to be movable up and down. The second driving mechanism 24 is arranged on the horizontal slide 21 and drives the vertical slide 22 to move up and down. The second driving mechanism 24 is electrically connected to the electric box 10. In this embodiment, the electric box 10 has a top plate 11, and a horizontal slide rail 12 is arranged on the surface of the top plate 11. The horizontal slide rail 12 extends forward and backward. The horizontal slide 21 is slidably installed on the horizontal slide rail 12 and moves back and forth along the horizontal slide rail 12. The first driving mechanism 23 is a cylinder. The horizontal slide 21 is provided with a vertical slide rail 25, which extends up and down, and the vertical slide 22 is slidably mounted on the vertical slide rail 25 and moves up and down along the vertical slide rail 25. The second driving mechanism 24 is a cylinder.
[0046] The lower crimping assembly 30 includes a bottom plate 31, a product carrier plate 32 and a plurality of test mold cores 33. The bottom plate 31 is fixed to the top of the electrical box 10, and the product carrier plate 32 is stacked on the bottom plate 31. The surface of the product carrier plate 32 is provided with a concave cavity 301 for placing the main board 50, and the bottom surface of the concave cavity 301 is provided with a plurality of slots 302. A plurality of test mold cores 33 are arranged on the bottom plate 31 and extend upward into the corresponding slots 302 respectively. Each test mold core 33 is connected to the electrical box 10, and each test mold core 33 is in floating alignment contact with the corresponding connector. In this embodiment, the product carrier plate 32 can be installed on the bottom plate 31 in a floating manner up and down through a guide column 34, an elastic device 35, a guide sleeve 36 and an equal height screw 37. The bottom plate 31 is provided with a limiting column 38 for limiting the product carrier plate 32. The product carrier 32 is provided with a plurality of positioning posts 39 for positioning the main board 50, and the plurality of positioning posts 39 are distributed at the edge of the cavity 301. The test core 33 includes a rear connector cover plate 331, a core fixing rear cover plate 332, a core fixing seat 333, a floating plate 334 and a positioning member 335. The core fixing rear cover plate 332 is arranged above the rear connector cover plate 331, the core fixing seat 333 is arranged on the core fixing rear cover plate 332, a core member 336 and a thin sheet probe 337 are arranged on the core fixing seat 333, and the thin sheet probe 337 is electrically connected to the electrical box 10. The floating plate 334 is arranged on the core fixing seat 333 so as to float up and down through a guide post and a spring, and the positioning member 335 positions the floating plate 334.
[0047] The upper crimping assembly 40 is arranged on the vertical slide 22 and is located above the lower crimping assembly 30, and the upper crimping assembly 40 is adapted to the lower crimping assembly 30. The upper crimping assembly 40 includes a crimping upper plate 41 and a clamping plate 42, and the clamping plate 42 is arranged below the crimping upper plate 41. The clamping plate 42 is elastically mounted below the crimping upper plate 41 through a guide column 43, a linear bearing 44 and a plurality of elastic devices 45.
[0048] The working principle of this embodiment is described in detail as follows:
[0049] First, the second driving mechanism 24 drives the vertical slide 22 to move upward, and the first driving mechanism 23 drives the horizontal slide 21 to move horizontally backward, so that the upper crimping assembly 40 moves to the upper rear of the lower crimping assembly 30; then, the motherboard 50 to be tested is placed in the cavity 301 of the product carrier 32, and the connectors on the motherboard 50 are aligned with the test mold cores 33, then, the first driving mechanism 23 drives the horizontal slide 21 to move horizontally forward, and the second driving mechanism 24 drives the vertical slide 22 to move downward , so that the upper crimping assembly 40 and the lower crimping assembly 30 are combined and pressed against the main board 50. At this time, the connectors on the main board 50 are respectively plugged into and conducted with the test cores 33 to access the test system of the electrical box 10, thereby realizing the test of the main board 50. After the test is completed, the second driving mechanism 24 drives the vertical slide 22 to move upward, and the first driving mechanism 23 drives the horizontal slide 21 to move horizontally backward, so that the upper crimping assembly 40 moves to the upper rear of the lower crimping assembly 30, and the main board 50 can be removed at this time.
[0050] The design focus of the present invention is: by coordinating the lower crimping assembly and the upper crimping assembly, the lower crimping assembly has a plurality of test mold cores, and the first driving mechanism and the second driving mechanism are coordinating to simultaneously perform crimping tests on a plurality of connectors on a mainboard, without the need to manually use the connectors to buckle one by one, thereby effectively improving the test efficiency. At the same time, each test mold core is in floating alignment contact with the corresponding connector, with good stability, high reliability, and labor saving, thus bringing convenience to production operations.
[0051] The technical principle of the present invention is described above in conjunction with specific embodiments. These descriptions are only for explaining the principle of the present invention and cannot be interpreted as limiting the scope of protection of the present invention in any way. Based on the explanations herein, those skilled in the art can associate other specific implementations of the present invention without paying creative labor, and these methods will fall within the scope of protection of the present invention.
Claims
1. A multi-connector motherboard crimping test fixture, characterized in that: It includes an electrical box, a horizontal slide, a vertical slide, a first driving mechanism, a second driving mechanism, a lower crimping assembly and an upper crimping assembly; the horizontal slide can be movably arranged on the top of the electrical box horizontally back and forth, the first driving mechanism is arranged on the top of the electrical box and drives the horizontal slide to move horizontally back and forth, and the first driving mechanism is electrically connected to the electrical box; the vertical slide can be movably arranged on the horizontal slide up and down, the second driving mechanism is arranged on the horizontal slide and drives the vertical slide to move up and down, and the second driving mechanism is electrically connected to the electrical box; the lower crimping assembly includes a bottom plate, a product carrier plate and a plurality of test mold cores, the bottom plate is fixed to the top of the electrical box, the product carrier plate is stacked on the bottom plate, the surface of the product carrier plate is concavely provided with a cavity for placing the main board, the bottom surface of the cavity is provided with a plurality of slots, and a plurality of test mold cores are arranged on the bottom plate and extend upward into the corresponding slots respectively. Each test core is connected to the electrical box, and each test core is in floating alignment contact with the corresponding connector; the upper crimping assembly is arranged on the vertical slide and is located above the lower crimping assembly, and the upper crimping assembly is adapted to the lower crimping assembly; the product carrier can be mounted on the bottom plate in a floating manner up and down through guide columns, elastic devices, guide sleeves and equal height screws, and the bottom plate is provided with limiting columns for limiting the product carrier; the test core includes a rear connector cover plate, a core-fixing rear cover plate, a core-fixing seat, a floating plate and a positioning piece, the core-fixing rear cover plate is arranged above the rear connector cover plate, the core-fixing seat is arranged on the core-fixing rear cover plate, the core-fixing seat is provided with a core piece and a thin film probe, the thin film probe is electrically connected to the electrical box, the floating plate can be arranged on the core-fixing seat in a floating manner up and down through guide columns and springs, and the positioning piece positions the floating plate.
2. A multi-connector motherboard crimping test fixture as claimed in claim 1, characterized in that: The electric box has a top plate, the surface of which is provided with a horizontal slide rail, the horizontal slide rail extends forward and backward, and the horizontal slide seat is slidably installed on the horizontal slide rail and moves back and forth along the horizontal slide rail.
3. A multi-connector motherboard crimping test fixture as claimed in claim 1, characterized in that: The first driving mechanism is a cylinder.
4. A multi-connector motherboard crimping test fixture as claimed in claim 1, characterized in that: The horizontal slide seat is provided with a vertical slide rail, which extends up and down. The vertical slide seat is slidably mounted on the vertical slide rail and moves back and forth up and down along the vertical slide rail.
5. A multi-connector motherboard crimping test fixture as claimed in claim 1, characterized in that: The second driving mechanism is a cylinder.
6. A multi-connector motherboard crimping test fixture as claimed in claim 1, characterized in that: The product carrier is provided with a plurality of positioning posts for positioning the main board, and the plurality of positioning posts are distributed on the edge of the cavity.
7. A multi-connector motherboard crimping test fixture as claimed in claim 1, characterized in that: The upper crimping assembly comprises a crimping upper plate and a clamping plate, and the clamping plate is arranged below the crimping upper plate.
8. A multi-connector motherboard crimping test fixture as claimed in claim 7, characterized in that: The clamping plate is installed below the crimping upper plate in an elastic and movable manner up and down through guide pillars, linear bearings and a plurality of elastic devices.
Citation Information
Patent Citations
Testing mechanism of PCBA male connector
CN109490680A
Multi-connector mainboard crimping test fixture
CN217156722U