Circuit board detection clamp with bidirectional clamping structure

By designing a circuit board testing fixture with a bidirectional clamping structure, the circuit board is stably clamped from both sides using a support platform and clamping modules. This solves the shaking and displacement problems caused by unidirectional clamping, improves the accuracy and stability of testing, shortens test preparation time, and increases production efficiency.

CN223582003UActive Publication Date: 2025-11-21GUANGDONG TENGCAI TECH CO LTD
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Patent Information

Application Number
CN202423048398.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-11
Publication Date
2025-11-21
Estimated Expiration
2034-12-11

AI Technical Summary

Technical Problem

Most existing circuit board testing fixtures are unidirectional clamps, which makes the circuit boards prone to shaking or displacement during testing, reducing the accuracy and reliability of the test. Furthermore, unstable clamping may reduce overall production efficiency.

Method used

The circuit board inspection fixture is designed with a bidirectional clamping structure. It can firmly clamp the circuit board from both sides through a support platform and clamping module. The fixture uses components such as rectangular telescopic sleeve, threaded rod, motor, cylinder, U-shaped frame, and rotating shaft to achieve stable positioning and multi-directional inspection of the circuit board. The fixture is combined with pressure sensor and infrared distance detector to ensure the stability and accuracy of clamping.

Benefits of technology

It improves the accuracy and stability of circuit board testing, prevents test errors caused by shaking or displacement, shortens test preparation time, and improves test efficiency.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN223582003U_ABST
    Figure CN223582003U_ABST
Patent Text Reader

Abstract

The utility model relates to the technical field of circuit board clamping, in particular to a circuit board detection clamp with a bidirectional clamping structure, which comprises a bearing table and a clamping module. Clamping modules which can slide and are used for stably clamping the circuit board from the two sides of the circuit board are transversely and symmetrically arranged above the bearing table. According to the utility model, the circuit board is placed on the bearing table, and then the clamping module stably clamps the circuit board from the two sides according to the size of the circuit board, so that the circuit board can be conveniently detected, and through the method, the circuit board can be ensured to be stably clamped in the test process, and the error of a test result caused by shaking or displacement of the circuit board is prevented; the stable clamping mode helps to improve the accuracy and stability of the test, enables the test result to be more reliable, and meanwhile, the bidirectional clamping structure can rapidly and accurately position and clamp the circuit board, thereby shortening the test preparation time, and further improving the test efficiency.
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Description

TECHNICAL FIELD

[0001] The utility model relates to circuit board clamping technical field especially relates to the circuit board detection clamp with bidirectional clamping structure. BACKGROUND

[0002] Circuit board is directly translated as "printed wiring board", is the indispensable component in the electronic equipment in today's science and technology era, it is the key assembly for supporting and connecting electronic components in electronic equipment, it makes the many functions and circuit integration of electronic products possible, after the production of circuit board, need to carry out detection, in this process by the clamp clamping, usually by the clamp main part and transmission line is formed, the clamp main body is generally made of metal, can accurately position and fix the circuit board, transmission line connects the clamp and test equipment to transmit various test signals, its main function is to fix the circuit board and transmit test signals to evaluate its performance.

[0003] The existing circuit board detection clamp is mostly one-way clamping, which may cause the circuit board to shake or shift easily during testing, reducing the accuracy and reliability of the test, because the small movement of the circuit board may cause the deviation of the test results, and due to unstable clamping, the tester may need to spend more time to adjust the position of the circuit board, which may reduce the overall production efficiency.

[0004] Therefore, in view of the above-mentioned existing circuit board detection clamp is mostly one-way clamping, which may cause the circuit board to shake or shift easily during testing, reducing the accuracy and reliability of the test, and due to unstable clamping, which may reduce the overall production efficiency, a circuit board detection clamp with bidirectional clamping structure can be designed to clamp the circuit board from opposite directions, improving the stability of circuit board detection. SUMMARY

[0005] In order to overcome the problem that the existing circuit board detection clamp is mostly one-way clamping, which may cause the circuit board to shake or shift easily during testing, reducing the accuracy and reliability of the test, and due to unstable clamping, which may reduce the overall production efficiency.

[0006] The utility model discloses a technical scheme for: the circuit board detection clamp with bidirectional clamping structure, including the bearing platform and the clamping module, the bearing platform top horizontal symmetry is equipped with the clamping module for the firm clamping of the circuit board both sides from the slidable, and the clamping module includes rectangular telescopic sleeve, rectangular threaded sleeve, threaded rod, first motor, rectangular telescopic column, second air cylinder, first U -shaped frame, first rotating shaft, second motor, guide column, second U -shaped frame, second rotating shaft, third motor, rotating ring cover, rotating shaft, connecting block, connecting rotating shaft, arc clamping plate, arc soft pad, pressure sensor and infrared distance detector, rectangular telescopic sleeve lower end fixed mounting has rectangular threaded sleeve, and the threaded rod is passed in the middle part of rectangular threaded sleeve, and the rectangular telescopic sleeve is internally sleeved with rectangular telescopic column, and the second air cylinder is installed on the upper end of rectangular telescopic column, and the first U -shaped frame is fixedly installed on one side of the upper end of rectangular telescopic column, and the first rotating shaft is longitudinally passed in the middle part of first U -shaped frame, and the guide column is rotatably connected with first U -shaped frame through first rotating shaft, and the second rotating shaft is longitudinally passed in the end of guide column away from first U -shaped frame, and the second U -shaped frame is arranged on the end of guide column away from first U -shaped frame, and the second U -shaped frame is rotatably connected with guide column through second rotating shaft, and the rotating ring cover is fixedly installed on the side of second U -shaped frame away from guide column, and the rotating shaft is internally sleeved with rotating ring cover, and the connecting block is fixedly installed on one side of rotating shaft, and the connecting rotating shaft is linearly symmetrically installed on the side of connecting block away from rotating shaft, and the arc clamping plate is linearly symmetrically arranged on the side of connecting block away from rotating shaft, and the arc clamping plate is rotatably connected with connecting block through connecting rotating shaft, and the pressure sensor is installed on the outside one side of arc clamping plate, and the infrared distance detector is installed on one end of connecting block.

[0007] Preferably, the circuit board is placed on the bearing table, and then the clamping module firmly clamps it from both sides according to the size of the circuit board, facilitating the detection of the circuit board. By this method, the circuit board can be firmly clamped during testing, preventing errors in test results caused by shaking or displacement. This stable clamping method helps improve the accuracy and stability of testing, making the test results more reliable. Meanwhile, the bidirectional clamping structure can quickly and accurately position and clamp the circuit board, thereby shortening the test preparation time and further improving the test efficiency.

[0008] As a preferred, three groups of stand columns are horizontally symmetrically installed at the edges of the lower end of the bearing table, a rectangular sliding groove is formed in the upper side of the bearing table corresponding to the clamping module, a first square notch is formed in the middle of the bearing table, and an operating table is fixedly installed at the middle of the upper end of the bearing table.

[0009] As a preferred, a square telescopic column is longitudinally arranged in the middle of the second square notch of the operating table, a square telescopic sleeve is externally sleeved with the square telescopic column, the square telescopic sleeve is fixedly connected with the bearing table through the first square notch, a first air cylinder is installed at the lower end of the square telescopic sleeve, and a circular die is installed at the middle of the upper end of the square telescopic column.

[0010] As preferred, the threaded rod is transversely arranged along the rectangular sliding groove, and the threaded rod is provided with a first motor at one end.

[0011] As preferred, the first rotating shaft is provided with a second motor at one end, and the second rotating shaft is provided with a third motor at one end.

[0012] As preferred, the rotating shaft is provided with a battery pack at one side of the outer portion, and the connecting rotating shaft is provided with a rotating motor at one end.

[0013] As preferred, the arc-shaped clamping plate is provided with an arc-shaped soft pad at the outer portion of the end away from the connecting block.

[0014] The utility model discloses beneficial effects:

[0015] 1, the circuit board is placed on the bearing table, then the clamping module is firmly clamped from both sides according to the size of the circuit board, and the circuit board is conveniently detected, by this method, can ensure that the circuit board is firmly clamped in the testing process, prevents its from the error of test result due to the shaking or displacement, and this firm clamping mode helps to improve the accuracy and stability of testing, makes the test result more reliable, and the bidirectional clamping structure can quickly and accurately position and clamp the circuit board, thereby shortening the test preparation time, and further improving the test efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 The whole structure schematic diagram of the circuit board detection clamp is shown.

[0017] Figure 2 The bearing table structure schematic diagram of the circuit board detection clamp is shown.

[0018] Figure 3 The rectangular telescopic column structure schematic diagram of the circuit board detection clamp is shown.

[0019] Figure 4 The arc-shaped clamping plate structure schematic diagram of the circuit board detection clamp is shown.

[0020] Explanation of reference signs: 1, bearing table; 101, stand column; 102, rectangular sliding groove; 103, first square notch; 104, square telescopic sleeve; 105, square telescopic column; 106, first air cylinder; 107, round adhesive sheet; 108, operation table; 109, second square notch; 201, rectangular telescopic sleeve; 202, rectangular threaded sleeve; 203, threaded rod; 204, first motor; 205, rectangular telescopic column; 206, second air cylinder; 207, first U-shaped frame; 208, first rotating shaft; 209, second motor; 210, guide column; 211, second U-shaped frame; 212, second rotating shaft; 213, third motor; 214, rotating ring sleeve; 215, rotating shaft; 216, connecting block; 217, connecting rotating shaft; 218, arc-shaped clamping plate; 219, arc-shaped soft pad; 220, pressure sensor; 221, infrared distance detector. DETAILED DESCRIPTION

[0021] The utility model will be further explained in connection with the drawings and examples.

[0022] Please refer to Figures 1-4The utility model provides a kind of embodiment: circuit board detection clamp with bidirectional clamping structure, including bearing platform 1 and clamping module;Bearing platform 1 top transverse symmetry is equipped with the clamping module for being slidably used to from the both sides of circuit board to its stable clamping, clamping module includes rectangular telescopic sleeve 201, rectangular threaded sleeve 202, threaded rod 203, first motor 204, rectangular telescopic column 205, second air cylinder 206, first U-shaped frame 207, first rotating shaft 208, second motor 209, guide column 210, second U-shaped frame 211, second rotating shaft 212, third motor 213, rotating ring sleeve 214, rotating shaft 215, connecting block 216, connecting rotating shaft 217, arc clamping plate 218, arc soft pad 219, pressure sensor 220 (the model of pressure sensor 220 is BX-S2000) and infrared distance detector 221 (the model of infrared distance detector 221 is YM-1101), rectangular telescopic sleeve 201 lower end is fixedly installed with rectangular threaded sleeve 202, threaded rod 203 is arranged in the middle of rectangular threaded sleeve 202, rectangular telescopic sleeve 201 is internally sleeved with rectangular telescopic column 205, second air cylinder 206 is installed on the upper end of rectangular telescopic column 205, first U-shaped frame 207 is fixedly installed on the upper end of one side of rectangular telescopic column 205, first rotating shaft 208 is longitudinally arranged in the middle of first U-shaped frame 207, guide column 210 is rotatably connected with first U-shaped frame 207 by first rotating shaft 208, second rotating shaft 212 is longitudinally arranged in the end of guide column 210 away from first U-shaped frame 207, second U-shaped frame 211 is arranged in the end of guide column 210 away from first U-shaped frame 207, second U-shaped frame 211 is rotatably connected with guide column 210 by second rotating shaft 212, rotating ring sleeve 214 is fixedly installed on the side of second U-shaped frame 211 away from guide column 210, rotating shaft 215 is internally sleeved with rotating ring sleeve 214, connecting block 216 is fixedly installed on the side of rotating shaft 215, connecting rotating shaft 217 is linearly and symmetrically installed on the side of connecting block 216 away from rotating shaft 215, arc clamping plate 218 is linearly and symmetrically arranged on the side of connecting block 216 away from rotating shaft 215, arc clamping plate 218 is rotatably connected with connecting block 216 by connecting rotating shaft 217, pressure sensor 220 is installed on the outside of arc clamping plate 218, infrared distance detector 221 is installed on one end of connecting block 216.

[0023] Please refer to Figure 2In the embodiment, three groups of vertical columns 101 are symmetrically installed at the edges of the lower end of the bearing table 1, a rectangular sliding slot 102 is opened above the bearing table 1 corresponding to the clamping module, a first square notch 103 is opened in the middle of the bearing table 1, an operation table 108 is fixedly installed at the upper end of the bearing table 1, a second square notch 109 is opened in the middle of the operation table 108, the square telescopic column 105 is driven to move downward along the square telescopic sleeve 104 through the first cylinder 106, so that the upper end of the square telescopic column 105 is flush with the operation table 108, in the operation process, the vertical column 101 stably supports the bearing table 1, improves the stability in the detection process, the square telescopic column 105 is penetrated through the second square notch 109 opened in the operation table 108, the square telescopic column 105 is externally sleeved with the square telescopic sleeve 104, the square telescopic sleeve 104 is fixedly connected with the bearing table 1 through the first square notch 103, the first cylinder 106 is installed at the lower end of the square telescopic sleeve 104, the circular die 107 is installed at the upper end of the square telescopic column 105, the circuit board is placed on the operation table 108, at the same time, the circuit board is connected with the square telescopic column 105 through the circular die 107, preliminary positioning is carried out, simple detection can be carried out, when further detection is needed, the square telescopic column 105 drives the circuit board to move upward through the second square notch 109, the circuit board is conveniently clamped, so that multi-directional detection is carried out.

[0024] Please refer to Figures 3-4In the embodiment, the threaded rod 203 is transversely arranged along the rectangular sliding groove 102, and the threaded rod 203 is provided with the first motor 204 at one end. When the circuit board is moved to the appropriate height, the threaded rod 203 is driven to rotate by the first motor 204 according to the position of the circuit board through the action of the infrared distance detector 221, so that the rectangular threaded sleeve 202 drives the rectangular telescopic sleeve 201 to move transversely along the rectangular sliding groove 102 on the bearing table 1 to the appropriate position. The first rotating shaft 208 is provided with the second motor 209 at one end, and the second rotating shaft 212 is provided with the third motor 213 at one end. The guide column 210 is driven to rotate to the appropriate angle by the first rotating shaft 208 and the first U-shaped frame 207 through the driving of the second motor 209. At the same time, the second U-shaped frame 211 is driven to rotate to the appropriate angle by the guide column 210 through the second rotating shaft 212 and the third motor 213. Through continuous adjustment, the edge of the side of the circuit board is located between the two groups of arc-shaped clamping plates 218. The rotating shaft 215 is provided with a battery pack outside one side. The connecting rotating shaft 217 is provided with a rotating motor at one end. When the circuit board needs to be replaced for detection, the rotating shaft 215 drives the circuit board to rotate along the rotating ring sleeve 214 through the driving of the battery pack, so as to complete multi-directional detection. The arc-shaped clamping plate 218 is provided with an arc-shaped soft pad 219 outside the end away from the connecting block 216. In the clamping process, the arc-shaped clamping plate 218 is prevented from applying excessive force to the circuit board and causing damage to the circuit board through the action of the pressure sensor 220. At the same time, the arc-shaped soft pad 219 can also prevent the circuit board from being abraded.

[0025] In operation, the square telescopic column 105 is driven to move downward along the square telescopic sleeve 104 by the first cylinder 106, so that the upper end of the square telescopic column 105 is flush with the operation table 108. Then the circuit board is placed on the operation table 108, and the circuit board is connected and positioned by the circular die 107 and the square telescopic column 105. Simple detection can be performed. When further detection is required, the square telescopic column 105 drives the circuit board to move upward through the second square notch 109, so that the circuit board is clamped for multi-directional detection.

[0026] When the circuit board moves to the appropriate height, through the action of the infrared distance detector 221, according to the location of the circuit board, through the driving of the first motor 204, the threaded rod 203 rotates, so that the rectangular threaded sleeve 202 drives the rectangular telescopic sleeve 201 to move horizontally along the rectangular chute 102 on the bearing table 1 to the appropriate position, then through the driving of the second cylinder 206, the rectangular telescopic column 205 moves along the rectangular threaded sleeve 202 to the appropriate height, then through the driving of the second motor 209, the guide column 210 rotates to the appropriate angle through the first rotating shaft 208 and the first U-shaped frame 207, and at the same time through the driving of the third motor 213, the second U-shaped frame 211 rotates to the appropriate angle through the second rotating shaft 212 and the guide column 210, through continuous adjustment, so that the edge of the side edge of the circuit board is located between the two groups of arc-shaped clamping plates 218, then through the driving of the rotating motor, the arc-shaped clamping plate 218 is connected through the connecting shaft 217 and the connecting block 216, so that the arc-shaped soft pad 219 continuously approaches and clamps the circuit board.

[0027] During clamping, through the action of the pressure sensor 220, the arc-shaped clamping plate 218 is prevented from exerting excessive force on the circuit board, which can cause damage to the circuit board, and the arc-shaped soft pad 219 can also prevent the circuit board from being worn, when the circuit board needs to be replaced for detection, through the driving of the battery pack, the rotating shaft 215 drives the circuit board to rotate along the rotating ring 214, so as to complete multi-directional detection.

[0028] Through the above steps, the circuit board is placed on the bearing table 1, then the clamping module clamps it from both sides according to the size of the circuit board, which is convenient for detection, through this method, the circuit board can be clamped stably during testing, preventing it from shaking or moving and causing errors in test results, this stable clamping method helps to improve the accuracy and stability of the test, making the test results more reliable, at the same time, the bidirectional clamping structure can quickly and accurately position and clamp the circuit board, thereby shortening the test preparation time and further improving the test efficiency, to solve the problem that most existing circuit board detection fixtures are single clamping, which may cause the circuit board to shake or move during testing, reducing the accuracy and reliability of the test, and due to unstable clamping, the overall production efficiency may be reduced.

Claims

1. A circuit board detection fixture with a bidirectional clamping structure, comprising a bearing table (1); characterized in that: Also include clamping module; the upper horizontal symmetry of the bearing table (1) is provided with the clamping module which can slide and is used for clamping circuit board from both sides, clamping module includes rectangular telescopic sleeve (201), rectangular threaded sleeve (202), threaded rod (203), first motor (204), rectangular telescopic column (205), second air cylinder (206), first U-shaped frame (207), first rotating shaft (208), second motor (209), guide column (210), second U-shaped frame (211), second rotating shaft (212), third motor (213), rotating ring sleeve (214), rotating shaft (215), connecting block (216), connecting shaft (217), arc clamping plate (218), arc soft pad (219), pressure sensor (220) and infrared distance detector (221), the lower end of rectangular telescopic sleeve (201) is fixedly installed with rectangular threaded sleeve (202), threaded rod (203) is provided in the middle part of rectangular threaded sleeve (202), rectangular telescopic sleeve (201) is provided with rectangular telescopic column (205) inside, second air cylinder (206) is installed on the upper end of rectangular telescopic column (205), first U-shaped frame (207) is fixedly installed on one side of the upper end of rectangular telescopic column (205), first rotating shaft (208) is longitudinally provided in the middle part of first U-shaped frame (207), guide column (210) is rotatably connected with first U-shaped frame (207) through first rotating shaft (208), second rotating shaft (212) is longitudinally provided in the end of guide column (210) away from first U-shaped frame (207), second U-shaped frame (211) is provided on the end of guide column (210) away from first U-shaped frame (207), second U-shaped frame (211) is rotatably connected with guide column (210) through second rotating shaft (212), rotating ring sleeve (214) is fixedly installed on the side of second U-shaped frame (211) away from guide column (210), rotating shaft (215) is provided in the inside of rotating ring sleeve (214), connecting block (216) is fixedly installed on one side of rotating shaft (215), connecting shaft (217) is linearly and symmetrically installed on the side of connecting block (216) away from rotating shaft (215), arc clamping plate (218) is linearly and symmetrically provided on the side of connecting block (216) away from rotating shaft (215), arc clamping plate (218) is rotatably connected with connecting block (216) through connecting shaft (217), pressure sensor (220) is installed on the outside of arc clamping plate (218), infrared distance detector (221) is installed on one end of connecting block (216).

2. The circuit board inspection fixture having a bidirectional clamping structure according to claim 1, characterized by: Three groups of vertical columns (101) are horizontally and symmetrically installed on both sides of the lower end edge of bearing table (1), rectangular sliding groove (102) is provided on the upper of bearing table (1) and corresponds to clamping module, first square notch (103) is provided in the middle of bearing table (1), operating table (108) is fixedly installed on the upper middle of bearing table (1), second square notch (109) is provided in the middle of operating table (108).

3. The circuit board inspection fixture having a bidirectional clamping structure according to claim 2, characterized by: The operating table (108) is provided with a second square notch (109) in the middle, a square telescopic column (105) is arranged in the second square notch (109), a square telescopic sleeve (104) is arranged outside the square telescopic column (105), the square telescopic sleeve (104) is fixedly connected with the load-bearing table (1) through the first square notch (103), a first air cylinder (106) is arranged at the lower end of the square telescopic sleeve (104), and a circular adhesive sheet (107) is arranged at the middle of the upper end of the square telescopic column (105).

4. The circuit board inspection fixture having a bidirectional clamping structure according to claim 2, characterized by: The threaded rod (203) is arranged in a transverse direction along the rectangular sliding groove (102), and the threaded rod (203) is provided with a first motor (204) at one end.

5. The circuit board inspection fixture having a bidirectional clamping structure according to claim 1, characterized by: The first rotating shaft (208) is provided with a second motor (209) at one end, and the second rotating shaft (212) is provided with a third motor (213) at one end.

6. The circuit board inspection fixture having a bidirectional clamping structure according to claim 1, characterized by: A battery pack is arranged on one side outside the rotating shaft (215), and a rotating motor is arranged at one end of the connecting shaft (217).

7. The circuit board inspection fixture having a bidirectional clamping structure according to claim 1, characterized by: The arc-shaped clamping plate (218) is provided with an arc-shaped soft pad (219) outside one end away from the connecting block (216).