Circuit board testing device
By designing an automated circuit board testing device, which utilizes components such as cylinders, electric push rods, and clamps, batch automated testing and calibration of circuit boards has been achieved, solving the problem of low efficiency in existing technologies and improving testing efficiency.
Patent Information
- Application Number
- CN202511925914.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-12-19
- Publication Date
- 2026-03-20
AI Technical Summary
Existing circuit board testing equipment can only test one circuit board at a time and requires manual calibration, resulting in low efficiency.
A circuit board testing device was designed, comprising a testing mechanism, a calibration mechanism, and a flipping mechanism. It utilizes components such as cylinders, electric push rods, and clamps to achieve automated batch testing and calibration. Through the combination of multiple placement plates and test plates, it can test multiple circuit boards simultaneously and has a flipping function.
It enables automated batch testing and calibration of circuit boards, improving testing efficiency, reducing manual intervention, and can test two circuit boards simultaneously, while supporting the testing needs of single-layer and double-layer circuit boards.
Smart Images
Figure CN121703623A_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to the field of circuit board, especially to a circuit board testing device. BACKGROUND
[0002] The circuit board, also known as printed circuit board, can be called printed wiring board or printed circuit board. The circuit board miniaturizes and visualizes the circuit, and plays an important role in the batch production of fixed circuits and the optimization of electrical appliance layout. In electronic equipment, it is mainly used to connect various electronic components and plays the role of structural support, and is an indispensable core component in electronic equipment.
[0003] After the completion of the plug-in, the workers often need to sample and test to ensure that the lines of the circuit board are correctly connected. The existing circuit board testing device can only test one circuit board at a time, and manual calibration of the circuit board is required, which is slow.
[0004] Therefore, there is an urgent need for a circuit board testing device. SUMMARY
[0005] To achieve the above purpose, the present application provides the following technical scheme: a circuit board testing device, comprising a testing mechanism, the inside of the testing mechanism is provided with a calibration mechanism, the back of the testing mechanism is provided with a turnover mechanism, the bottom of the calibration mechanism is fixedly connected with the inside of the testing mechanism; The testing mechanism comprises a bottom plate, the top of the bottom plate is fixedly connected with a support rod, the top of the support rod is fixedly connected with a mounting plate, the top of the mounting plate is fixedly connected with two storage plates, the top of each of the two storage plates is provided with a test plate, the top of each of the two test plates is fixedly connected with a fixed rod, the top of each of the two fixed rods is fixedly connected with a same first push plate, the top of the first push plate is fixedly connected with a first push rod, and the top of the first push rod is fixedly connected with a first air cylinder; The calibration mechanism comprises a support plate, the bottom of the support plate is fixedly connected with the top of the mounting plate, the outer side of the support plate is fixedly connected with a first electric push rod, the outer side of the first electric push rod is fixedly connected with a second push plate, and the second push plate is matched with the top of the storage plate.
[0006] Preferably, the top of the mounting plate is fixedly connected with a support column, a plurality of support columns are provided, the top of each of the plurality of support columns is fixedly connected with a same top plate, the top of the top plate is fixedly connected with an alarm lamp, and the front of the top plate is fixedly connected with a control screen.
[0007] Preferably, a test circuit is mounted on the top of the bottom plate, the storage plate is electrically connected with the test circuit, and the test circuit is electrically connected with the alarm lamp.
[0008] Preferably, the bottom of the storage plate is fixedly connected with springs, the springs are provided in plurality, the plurality of springs are arranged in a rectangular array, and the bottom of each of the plurality of springs is fixedly connected with the top of the same mounting plate.
[0009] Preferably, the second push plate is provided in two, a limiting plate is arranged between the two second push plates, and the bottom of the limiting plate is fixedly connected with the top of the mounting plate.
[0010] Preferably, the top of the mounting plate is fixedly connected with a plurality of second electric push rods, the top of each of the plurality of second electric push rods is fixedly connected with the same limiting rod, and the front surface of the limiting rod is attached to the back surface of the storage plate.
[0011] Preferably, the turnover mechanism comprises a sliding plate, the sliding plate is provided in two, the top of each of the two sliding plates is provided with a sliding groove, the same sliding block is slidably arranged in the two sliding grooves, the back surface of the sliding block is fixedly connected with a pneumatic rod, the front surface of the sliding block is arranged with the back surface of the top plate, the bottom of the sliding block is provided with a motor, the front surface of the motor is fixedly connected with a gripper, and the front surface of the gripper is provided with two rubber plates.
[0012] Preferably, the bottom of the sliding block is fixedly connected with a second air cylinder, the bottom of the second air cylinder is fixedly connected with a second push rod, the bottom of the second push rod is fixedly connected with a protection frame, and the inner portion of the protection frame is fixedly connected with the outer surface of the motor.
[0013] Preferably, the left and right sides of the gripper are respectively fixedly connected with fixed blocks, the front surface of each of the two fixed blocks is fixedly connected with a third electric push rod, the front surface of each of the two third electric push rods is fixedly connected with a third push plate, and the two rubber plates are adapted with the third push plate.
[0014] In summary, the present application provides a circuit board testing device, which has the following advantages: 1. The circuit board testing device, through the bottom plate as the basis of the entire test mechanism support components, through the support rod top mounting plate, support column connected with the top plate, form a frame, wherein, control screen as human-computer interaction interface, convenient for operator to operate and control the testing device, alarm lamp for detecting the circuit board unqualified when the alarm signal, remind the operator to handle in time, the setting of spring can effectively buffer the impact force of the testing board when falling on the circuit board, avoid damage due to excessive impact force, the placement of the board provides a place for the testing board, the first cylinder, the first push rod, the first push plate and the fixed rod constitute a drive mechanism, can accurately control the up and down movement of the testing board, by pressing the testing board makes the contact of the circuit board on the board and the bottom PIN needle contact, and then the circuit board is connected to different test circuit for measurement, so as to be able to batch detection of circuit board everywhere, at the same time, the two sides of the board and the multiple settings of the testing board can let the device test two circuit boards at a time, can be tested in batches.
[0015] 2. The circuit board testing device, through the first electric push rod as a power source, provides power for the movement of the second push plate. The second push plate is directly above the board, and the horizontal movement of the second push plate adjusts the position of the circuit board on the board in the horizontal direction, ensures that the circuit board is in the correct test position in the horizontal direction, and the limit plate provides a boundary limit for the horizontal movement of the board, ensures the position of the circuit board, and the second electric push rod provides power for the movement of the limit rod, so that the limit rod can move up and down. The limit rod is attached to the back of the board, which can limit the position of the circuit board on the top of the board, so that it will not be pushed out when placed. When placing the circuit board, you only need to put it down and push it forward until it hits the front of the limit rod, and adjust the left and right position by the second push plate, so that the position can be automatically calibrated.
[0016] 3. The circuit board testing device, the slide plate provides a horizontal moving track for the slider, so that the slider can move along the predetermined horizontal path, the pneumatic rod provides power for the horizontal movement of the slider, and the second cylinder provides power for the vertical movement of the protection frame. The protection frame is used to protect the internal motor and move its height. The motor is the power core of the turnover mechanism, which provides power for the rotation of the clamp, so as to realize the turnover operation of the circuit board clamped on the clamp. The rubber plate has good elasticity and friction, which can provide soft support when clamping the circuit board, avoid scratching and damage, avoid current conduction, lift the motor after clamping the circuit board, and then reverse it. Then put down the motor and place the turned circuit board back on the board. Then push the circuit board on the top of the board with the third push plate to return to the original position. The circuit board can be automatically placed after turning over, which is used to detect double-layer circuit board. Only need to close the turnover mechanism when detecting single-layer circuit board. It has the characteristics of modularization. BRIEF DESCRIPTION OF DRAWINGS
[0017] Figure 1 It is a whole structure schematic diagram of the application; Figure 2 It is a structure schematic diagram of the testing mechanism of the application; Figure 3 It is a disassembled structure schematic diagram of the testing mechanism of the application; Figure 4 It is a structure schematic diagram of the calibration mechanism of the application; Figure 5 It is a disassembled structure schematic diagram of the calibration mechanism of the application; Figure 6 It is a structure schematic diagram of the turnover mechanism of the application; Figure 7 It is a disassembled structure schematic diagram of the turnover mechanism of the application.
[0018] Explanation of reference signs: 1, testing mechanism; 2, calibration mechanism; 3, turnover mechanism; 101, bottom plate; 102, support rod; 103, test circuit; 104, mounting plate; 105, support column; 106, top plate; 107, alarm lamp; 108, control screen; 109, first air cylinder; 110, first push rod; 111, first push plate; 112, fixed rod; 113, test plate; 114, storage plate; 115, spring; 201, support plate; 202, first electric push rod; 203, second push plate; 204, limiting plate; 205, second electric push rod; 206, limiting rod; 301, sliding plate; 302, sliding block; 303, pneumatic rod; 304, second air cylinder; 305, second push rod; 306, protection frame; 307, motor; 308, gripper; 309, rubber plate; 310, fixed block; 311, third electric push rod; 312, third push plate. DETAILED DESCRIPTION
[0019] The specific embodiments of the application will be further described in detail below with reference to the accompanying drawings.
[0020] Example one Please refer to Figure 1 , Figure 2 , Figure 3 A circuit board testing device, comprising a testing mechanism 1, the inside of the testing mechanism 1 is provided with a calibration mechanism 2, the back of the testing mechanism 1 is provided with a turnover mechanism 3, and the bottom of the calibration mechanism 2 is fixedly connected with the inside of the testing mechanism 1. The testing mechanism 1 comprises a bottom plate 101, the top of the bottom plate 101 is fixedly connected with a support rod 102, the top of the support rod 102 is fixedly connected with a mounting plate 104, the top of the mounting plate 104 is fixedly connected with two storage plates 114, the top of each of the two storage plates 114 is provided with a test plate 113, the top of each of the two test plates 113 is fixedly connected with a fixed rod 112, the top of each of the two fixed rods 112 is fixedly connected with a same first push plate 111, the top of the first push plate 111 is fixedly connected with a first push rod 110, and the top of the first push rod 110 is fixedly connected with a first air cylinder 109.
[0021] The top of the mounting plate 104 is fixedly connected with a support column 105, a plurality of support columns 105 are arranged, the top of each of the plurality of support columns 105 is fixedly connected with a same top plate 106, the top of the top plate 106 is fixedly connected with an alarm lamp 107, and the front face of the top plate 106 is fixedly connected with a control screen 108.
[0022] The top of the bottom plate 101 is provided with a test circuit 103, the storage plate 114 is electrically connected with the test circuit 103, and the test circuit 103 is electrically connected with the alarm lamp 107.
[0023] The bottom of the storage plate 114 is fixedly connected with a spring 115, a plurality of springs 115 are arranged, the plurality of springs 115 are arranged in a rectangular array, and the bottom of each of the plurality of springs 115 is fixedly connected with the top of a same mounting plate 104.
[0024] Through the above technical scheme, the bottom plate 101 serves as a basic supporting component of the whole testing mechanism 1, the mounting plate 104 at the top of the support rod 102 is connected with the support column 105 and the top plate 106 to form a frame, the control screen 108 serves as a man-machine interface to facilitate an operator to operate and control the testing device, the alarm lamp 107 is used for sending an alarm signal when a circuit board is detected to be unqualified, reminding the operator to handle in time, the spring 115 can effectively buffer the impact force of the test plate 113 when descending on the circuit board, so as to avoid damaging the circuit board due to excessive impact force, the storage plate 114 provides a placement position for the test plate 113, the first air cylinder 109, the first push rod 110, the first push plate 111 and the fixed rod 112 form a driving mechanism, which can accurately control the up-and-down movement of the test plate 113, the contact of the circuit board on the storage plate 114 is contacted with the PIN needle at the bottom by pressing the test plate 113, and then the circuit board is connected to different test circuits 103 for measurement, so that each part of the circuit board can be detected in batches, meanwhile, the plurality of storage plates 114 and test plates 113 on both sides can enable the device to test two circuit boards at a time, and the testing can be carried out in batches.
[0025] Embodiment two Please refer to Figure 4 , Figure 5The calibration mechanism 2 comprises a support plate 201, the bottom of the support plate 201 is fixedly connected with the top of the mounting plate 104, the outer side of the support plate 201 is fixedly connected with a first electric push rod 202, the outer side of the first electric push rod 202 is fixedly connected with a second push plate 203, and the second push plate 203 is matched with the top of the storage plate 114.
[0026] The second push plate 203 is provided with two second push plates 203, and a limiting plate 204 is arranged between the two second push plates 203.
[0027] The top of the mounting plate 104 is fixedly connected with a plurality of second electric push rods 205, the top of the plurality of second electric push rods 205 is fixedly connected with the same limiting rod 206, and the front surface of the limiting rod 206 is matched with the back surface of the storage plate 114.
[0028] Through the above technical scheme, the first electric push rod 202 serves as a power source to provide power for the movement of the second push plate 203. The second push plate 203 directly acts on the upper side of the storage plate 114, and adjusts the position of the circuit board on the storage plate 114 in the horizontal direction through horizontal movement, so as to ensure that the circuit board is in the correct test position in the horizontal direction, and the limiting plate 204 provides boundary limitation for the horizontal movement of the storage plate 114, so as to ensure the position of the circuit board. The second electric push rod 205 provides power for the movement of the limiting rod 206, so that the limiting rod 206 can move up and down. The limiting rod 206 is matched with the back surface of the storage plate 114, so as to limit the position of the circuit board on the top of the storage plate 114, so that the circuit board cannot be pushed out when placed. When placing the circuit board, the circuit board is only needed to be placed and pushed forward until the front surface of the limiting rod 206 is abutted, and the left and right positions are adjusted through the second push plate 203, so that the position of the circuit board can be automatically calibrated.
[0029] Embodiment three Please refer to Figure 6 、 Figure 7 The turnover mechanism 3 comprises a sliding plate 301, the sliding plate 301 is provided with two sliding plates 301, the top of the two sliding plates 301 is provided with a sliding groove, the same sliding block 302 is slidably arranged in the two sliding grooves, the back surface of the sliding block 302 is fixedly connected with a pneumatic rod 303, the front surface of the sliding block 302 is arranged with the back surface of the top plate 106, the bottom of the sliding block 302 is provided with a motor 307, the front surface of the motor 307 is fixedly connected with a gripper 308, and the front surface of the gripper 308 is provided with two rubber plates 309.
[0030] The bottom of the sliding block 302 is fixedly connected with a second pneumatic cylinder 304, the bottom of the second pneumatic cylinder 304 is fixedly connected with a second push rod 305, the bottom of the second push rod 305 is fixedly connected with a protection frame 306, and the inside of the protection frame 306 is fixedly connected with the outer surface of the motor 307.
[0031] The left and right sides of the gripper 308 are respectively fixedly connected with fixed blocks 310, the front surfaces of the two fixed blocks 310 are fixedly connected with third electric push rods 311, the front surfaces of the two third electric push rods 311 are fixedly connected with third push plates 312, and the third push plates 312 are matched with the two rubber plates 309.
[0032] Through the above technical solutions, the slide plate 301 provides a horizontal moving track for the slide block 302, so that the slide block 302 can move along a predetermined horizontal path, the pneumatic rod 303 provides power for the horizontal movement of the slide block 302, and the second pneumatic cylinder 304 provides power for the vertical movement of the protection frame 306. The protection frame 306 is used for protecting the motor 307 inside and moving the height of the motor 307. The motor 307 is the power core of the turnover mechanism 3 and provides power for the rotation of the gripper 308, so as to realize the turnover operation of the circuit board clamped on the gripper 308. The rubber plate 309 has good elasticity and friction and can provide soft support when clamping the circuit board, so as to avoid scratching and damage and avoid current conduction. After the circuit board is clamped, the motor 307 is lifted, and then the motor 307 is reversed, and then the circuit board after turnover is placed on the placement plate 114. The third push plate 312 pushes the circuit board on the top of the placement plate 114 to return to the original position, so that the circuit board after turnover can be automatically placed. The turnover mechanism 3 is used for detecting double-layer circuit boards. When only single-layer circuit boards need to be detected, the turnover mechanism 3 can be closed, and the turnover mechanism 3 has the modularization characteristic.
[0033] In use, through the bottom plate 101 as the whole test mechanism 1 of the base support components, through the support rod 102 top mounting plate 104, support column 105 and top plate 106 connected to form a frame, wherein, control screen 108 as human-computer interaction interface, convenient operation and control of the test device, alarm lamp 107 for detecting circuit board unqualified when the alarm signal, remind the operator in time processing, the setting of spring 115 can effectively buffer the impact force of the test board 113 on the circuit board when falling, avoid damage due to excessive impact force and circuit board, the placement of the board 114 for test board 113 provides a place, the first cylinder 109, first push rod 110, first push plate 111 and fixed rod 112 constitute a drive mechanism, can accurately control the up and down movement of test board 113, by pressing the test board 113 so that the placement of the board 114 on the circuit board contact and bottom PIN needle contact, and then the circuit board to different test circuit 103 for measurement, so as to be able to batch of circuit board everywhere for detection, at the same time, two sides of the board 114 and test board 113 of the multiple settings can let the device once two circuit board test, can be batch testing. The first electric push rod 202 as a power source, for the movement of the second push plate 203 power. The second push plate 203 is directly above the placement of the board 114, by its horizontal movement to adjust the placement of the board 114 on the circuit board in the horizontal direction of the position, ensure that the circuit board in the horizontal direction is in the correct test position, and through the limiting plate 204 for the horizontal movement of the placement of the board 114 provides a boundary limit, ensure the position of the circuit board, the second electric push rod 205 for the movement of the limiting rod 206 power, so that the limiting rod 206 can move up and down. The limiting rod 206 is through the placement of the board 114 back of the paste, can limit the placement of the board 114 on the top of the circuit board position, so that it will not be pushed out when placed, when placing the circuit board, only need to put down the circuit board and push forward, until its resistance against the limiting rod 206 of the front, and through the second push plate 203 adjustment of the left and right position, can automatically calibrate its position. The slide plate 301 for the slider 302 provides horizontal movement of the track, so that the slider 302 can follow the predetermined horizontal path movement, pneumatic rod 303 for the horizontal movement of the slider 302 power, the second cylinder 304 for the vertical movement of the protection frame 306 power.The protection frame 306 is used for protecting the internal motor 307, and moving the height thereof, the motor 307 is the power core of the turnover mechanism 3, and provides power for the rotation of the holder 308, so as to realize the turnover operation of the circuit board clamped on the holder 308, the rubber plate 309 has good elasticity and friction, and can provide soft support when clamping the circuit board, so as to avoid scratching and damage, and avoid current conduction, after clamping the circuit board, the motor 307 is lifted, and then is reversed, then the motor 307 is lowered, so that the turned-over circuit board is placed on the storage plate 114, and then the third push plate 312 pushes the circuit board on the top of the storage plate 114, so that the circuit board returns to the original position, the circuit board can be automatically placed after being turned over, and is used for detecting double-layer circuit boards, when only single-layer circuit boards need to be detected, only the turnover mechanism 3 needs to be closed, and has the modularization characteristic.
[0034] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A circuit board testing device, comprising a testing mechanism (1), characterized in that: The test mechanism (1) is provided with a calibration mechanism (2) inside, and a flipping mechanism (3) is provided on the back of the test mechanism (1). The bottom of the calibration mechanism (2) is fixedly connected to the inside of the test mechanism (1). The testing mechanism (1) includes a base plate (101), a support rod (102) is fixedly connected to the top of the base plate (101), an mounting plate (104) is fixedly connected to the top of the support rod (102), two storage plates (114) are fixedly connected to the top of the mounting plate (104), a test plate (113) is provided on the top of each of the two storage plates (114), a fixing rod (112) is fixedly connected to the top of each of the two test plates (113), the same first push plate (111) is fixedly connected to the top of each of the two fixing rods (112), a first push rod (110) is fixedly connected to the top of the first push plate (111), and a first cylinder (109) is fixedly connected to the top of the first push rod (110). The calibration mechanism (2) includes a support plate (201), the bottom of which is fixedly connected to the top of the mounting plate (104), a first electric push rod (202) is fixedly connected to the outside of the support plate (201), a second push plate (203) is fixedly connected to the outside of the first electric push rod (202), and the second push plate (203) is adapted to the top of the shelf (114).
2. The circuit board testing device according to claim 1, characterized in that: The top of the mounting plate (104) is fixedly connected to a support column (105), and multiple support columns (105) are provided. The top of each of the multiple support columns (105) is fixedly connected to the same top plate (106). An alarm light (107) is fixedly connected to the top of the top plate (106), and a control panel (108) is fixedly connected to the front of the top plate (106).
3. The circuit board testing device according to claim 1, characterized in that: A test circuit (103) is installed on the top of the base plate (101), the shelf (114) is electrically connected to the test circuit (103), and the test circuit (103) is electrically connected to the alarm light (107).
4. The circuit board testing device according to claim 1, characterized in that: The bottom of the shelf (114) is fixedly connected to a spring (115), and multiple springs (115) are provided. The multiple springs (115) are arranged in a rectangular array, and the bottom of the multiple springs (115) is fixedly connected to the top of the same mounting plate (104).
5. The circuit board testing device according to claim 1, characterized in that: There are two second push plates (203), and a limiting plate (204) is provided between the two second push plates (203). The bottom of the limiting plate (204) is fixedly connected to the top of the mounting plate (104).
6. The circuit board testing device according to claim 1, characterized in that: The top of the mounting plate (104) is fixedly connected to a plurality of second electric push rods (205), and the top of each of the plurality of second electric push rods (205) is fixedly connected to the same limiting rod (206), the front of the limiting rod (206) being in contact with the back of the shelf (114).
7. The circuit board testing device according to claim 1, characterized in that: The flipping mechanism (3) includes a slide plate (301), and two slide plates (301) are provided. The top of each of the two slide plates (301) is provided with a groove, and the same slider (302) is slidably provided in each of the two grooves. A pneumatic rod (303) is fixedly connected to the back of the slider (302). The front of the slider (302) is set with the back of the top plate (106). A motor (307) is provided at the bottom of the slider (302). A clamp (308) is fixedly connected to the front of the motor (307). Two rubber plates (309) are installed on the front of the clamp (308).
8. A circuit board testing device according to claim 7, characterized in that: The bottom of the slider (302) is fixedly connected to a second cylinder (304), the bottom of the second cylinder (304) is fixedly connected to a second push rod (305), the bottom of the second push rod (305) is fixedly connected to a protective frame (306), and the interior of the protective frame (306) is fixedly connected to the outer surface of the motor (307).
9. A circuit board testing device according to claim 7, characterized in that: The clamp (308) is fixedly connected to the left and right sides respectively with fixing blocks (310), and the front of each of the two fixing blocks (310) is fixedly connected to a third electric push rod (311). The front of each of the two third electric push rods (311) is fixedly connected to a third push plate (312). The two rubber plates (309) are adapted to the third push plate (312).