A circuit board electrical parameter measurement system

By designing a circuit board electrical parameter measurement system, the automatic flipping of the circuit board is achieved by using toothed blocks and connecting shafts, which solves the problem of cumbersome flipping operations in circuit board electrical parameter measurement and improves work efficiency and automation.

CN119291461BActive Publication Date: 2026-04-10DONGGUAN JINGHENG CHECKING TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2024-10-15
Publication Date
2026-04-10

AI Technical Summary

Technical Problem

In existing technologies, measuring the electrical parameters of circuit boards requires a second operation of flipping the circuit board, which makes the operation cumbersome and complicated, and affects work efficiency.

Method used

A circuit board electrical parameter measurement system was designed, including a support component, a placement component, a measurement component, a switching component, and a feeding component. The circuit board is automatically flipped through the cooperation of the toothed block and the connecting shaft, enabling the measurement of electrical parameters on both sides and the detection of visual defects.

Benefits of technology

It enables automated flipping of circuit boards, improves work efficiency, simplifies the removal of circuit boards, and enhances the stability and automation of measurements.

✦ Generated by Eureka AI based on patent content.

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    Figure CN119291461B_ABST
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Abstract

The application discloses a circuit board electric parameter measurement system and relates to the technical field of circuit board measurement.The circuit board electric parameter measurement system comprises a supporting assembly, a placing assembly, a measuring assembly, a switching assembly and a discharging assembly, the supporting assembly comprises a bottom plate, the top of the bottom plate is fixedly connected with a support and a second sliding rail, and the second sliding rail is connected with a first sliding rail.The circuit board body in a vertical state is turned over through the displacement of the tooth block and the rotation of the second connecting shaft by 180 degrees, so that the side of the circuit board body that has been measured is opposite to the camera, and the side of the circuit board body that has been detected by the camera is opposite to the measuring plate.The circuit board body can be automatically turned over to realize the electric parameter measurement and visual defect detection of two sides through the cooperation of the supporting assembly, the placing assembly, the measuring assembly and the switching assembly, and the circuit board electric parameter measurement system has high automation degree and improves the work efficiency.
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Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of circuit board measurement, in particular to a circuit board electrical parameter measurement system. BACKGROUND

[0002] A circuit board is a substrate used to support and connect electronic components, usually composed of a non-conductive base material and a conductive copper layer. These materials are combined through a specific manufacturing process to form a structure with a specific circuit pattern. Circuit board measurement is an important step in ensuring the quality and performance of the circuit board.

[0003] In the prior art, when measuring the electrical parameters of a circuit board, the traditional electrical parameter measurement process is to place the circuit board flat and measure the electrical parameters of one side. Therefore, for a complete measurement process, it is necessary to flip the circuit board twice, which is very cumbersome and complex, affecting work efficiency.

[0004] Therefore, we propose a circuit board electrical parameter measurement system to solve the problems mentioned above. SUMMARY

[0005] The present application aims to provide a circuit board electrical parameter measurement system to solve the problem of the need for flipping the circuit board twice for a complete measurement process, which is very cumbersome and complex, affecting work efficiency.

[0006] To achieve the above-mentioned purpose, the present application provides the following technical scheme: a circuit board electrical parameter measurement system, comprising: a support assembly, a placement assembly, a measurement assembly, a switching assembly and a discharging assembly, characterized in that: the support assembly comprises a bottom plate, the top of the bottom plate is fixedly connected with a support and a second sliding rail; the placement assembly is located above the bottom plate, the placement assembly comprises a frame and a circuit board body; the measurement assembly is located above the support, the measurement assembly comprises two sliding seats; the switching assembly is fixedly connected to the top of the bottom plate, the switching assembly comprises two legs, a first mounting plate is fixedly connected between the two legs, a first connecting shaft is rotatably connected through the outer surface of the first mounting plate, a second connecting shaft is rotatably connected to the outer surface of the first mounting plate near the upper side of the first connecting shaft, the end surface of the second connecting shaft is fixedly connected with a second mounting plate, and two mounting rods are fixedly connected to the outer surface of the second mounting plate.

[0007] Preferably, the outer surface of the support is fixedly connected with a motor, the output end of the motor extends to the inner side through the support, the output end of the motor is fixedly connected with a bidirectional screw rod, the end surface of the bidirectional screw rod is rotatably connected with the inner surface of the support, and two sliding seats are symmetrically screwed to the outer surface of the bidirectional screw rod.

[0008] Preferably, the top of the sliding seat is fixedly connected with a support, the bottom of the support is fixedly connected with a first sliding block in symmetry, the inner bottom of the support is fixedly connected with a first sliding rail in symmetry, and the outer surface of the first sliding block is in sliding connection with the inner surface of the first sliding rail.

[0009] Preferably, the outer surface of the support is fixedly connected with a connecting seat, the outer surface of one of the connecting seat is uniformly fixedly connected with a plurality of first frame rods, the end faces of the plurality of first frame rods are fixedly connected with a measuring plate, the outer surface of the other connecting seat is uniformly fixedly connected with a second frame rod, the end faces of the plurality of second frame rods are fixedly connected with a positioning frame, the other side of the outer surface of the other connecting seat is fixedly connected with a fixed plate, the outer surface of the fixed plate near the positioning frame is fixedly connected with a camera, and the frame body is located between the measuring plate and the positioning frame.

[0010] Preferably, the circuit board body is located at the inner side of the frame body, the inner surfaces of the two sides of the frame body are provided with gaskets, the outer surfaces of the gaskets are attached to the outer surface of the circuit board body, and a notch is formed in the top of the frame body.

[0011] Preferably, the end face of the first connecting shaft is fixedly connected with a first pulley, the outer surface of the second connecting shaft is fixedly connected with a second pulley, and a belt is sleeved between the outer surfaces of the first pulley and the second pulley.

[0012] Preferably, the other side of the end face of the first connecting shaft is fixedly connected with a ratchet wheel, the outer surface of the first mounting plate near the ratchet wheel is fixedly connected with a plane bearing, and the outer surface of the plane bearing is uniformly fixedly connected with a plurality of extension rods.

[0013] Preferably, a tooth ring is fixedly connected between the end faces of the plurality of extension rods, the tooth ring is located at the outer side of the ratchet wheel, the inner surface of the tooth ring is fixedly connected with a telescopic rod in symmetry, the outer surfaces of the two telescopic rods are sleeved with springs, a clamping block is fixedly connected between the end faces of the two telescopic rods, and the clamping block is matched with the position of the ratchet wheel.

[0014] Preferably, the outer surface of the support on one side of the measuring plate is fixedly connected with a side plate, the outer surface of the side plate is fixedly connected with a horizontal plate, the horizontal plate is located at the lower side of the tooth ring, the top of the horizontal plate is fixedly connected with a tooth block, the tooth block is in meshing connection with the tooth ring, the bottom of the horizontal plate is fixedly connected with a second sliding block in symmetry, and the outer surface of the second sliding block is in sliding connection with the inner surface of a second sliding rail.

[0015] Preferably, the top of the support rod is fixedly connected with a support plate, the bottom of the support plate is fixedly connected with an electric push rod, the lower end face of the electric push rod is fixedly connected with a wedge block, the wedge block is matched with the position of the notch, the side of the wedge block facing the circuit board body is an inclined surface, and the thickness of the wedge block is consistent with that of the circuit board body.

[0016] Compared with the prior art, the present application has the following advantages:

[0017] 1、In the process of measuring the electrical parameters of the circuit board, the displacement of the tooth block drives the second connecting shaft to complete a 180-degree rotation, so the circuit board body in the vertical state will complete a turnover at this time, and the side of the circuit board body that has completed the connection measurement is facing the camera, while the side that has completed the visual detection of the camera is facing the measurement plate. Through the cooperation of the supporting assembly, the placing assembly, the measurement assembly and the switching assembly, the circuit board body can be automatically turned over to realize the electrical parameter measurement and visual defect detection of both sides, which has high automation degree and effectively improves the work efficiency.

[0018] 2、After completing the measurement of both sides of the circuit board body, the electric push rod can drive the wedge block to move down after running and elongating, at this time the inclined surface of the wedge block will contact the circuit board body, and as the wedge block continues to move down, the wedge block can extrude the circuit board body from the frame, after the circuit board body is extruded from the frame, the worker can take out the circuit board body, which is convenient and fast.

[0019] 3、In the process of displacement of the support and movement of the horizontal plate, the second sliding block will move along the second sliding rail, at this time the position of the horizontal plate is supported and limited by the cooperation of the second sliding rail and the second sliding block, so as to ensure the stable displacement state of the horizontal plate, and the stable meshing of the tooth block and the tooth ring to realize driving, which improves the stability of the device operation. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is a perspective view of a circuit board electrical parameter measurement system of the present application;

[0021] Figure 2 It is a rear view of a circuit board electrical parameter measurement system of the present application;

[0022] Figure 3 It is a supporting assembly structure diagram of a circuit board electrical parameter measurement system of the present application;

[0023] Figure 4 It is a placing assembly structure diagram of a circuit board electrical parameter measurement system of the present application;

[0024] Figure 5 It is a measurement assembly structure diagram of a circuit board electrical parameter measurement system of the present application;

[0025] Figure 6 It is a switching assembly structure diagram of a circuit board electrical parameter measurement system of the present application;

[0026] Figure 7 It is a structure enlarged view of A in Figure 6 ;

[0027] Figure 8 It is a blanking assembly structure diagram of a circuit board electric parameter measurement system.

[0028] In the figure:

[0029] 1, support assembly; 101, bottom plate; 102, support; 103, motor; 104, bidirectional screw; 105, first sliding rail; 106, second sliding rail; 2, placing assembly; 201, frame; 202, circuit board body; 203, gasket; 204, notch; 3, measurement assembly; 301, sliding seat; 302, first sliding block; 303, side plate; 304, cross plate; 305, tooth block; 306, second sliding block; 307, support; 308, connecting seat; 309, first frame rod; 310, measurement plate; 311, second frame rod; 312, positioning frame; 313, fixed plate; 314, camera; 4, switching assembly; 401, support leg; 402, first mounting plate; 403, first connecting shaft; 404, second connecting shaft; 405, first pulley; 406, second pulley; 407, belt; 408, second mounting plate; 409, mounting rod; 410, plane bearing; 411, extension rod; 412, gear ring; 413, ratchet wheel; 414, spring; 415, telescopic rod; 416, clamping block; 5, blanking assembly; 501, support rod; 502, support plate; 503, electric push rod; 504, wedge block. DETAILED DESCRIPTION

[0030] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative work fall within the protection scope of the present application.

[0031] Embodiment one

[0032] Referring to Figures 1-8The present application provides a technical scheme: a circuit board electrical parameter measurement system, comprising: support assembly 1, placement assembly 2, measurement assembly 3, switching assembly 4 and discharging assembly 5, support assembly 1 comprises bottom plate 101, the top of bottom plate 101 is fixedly connected with support 102 and second sliding rail 106; placement assembly 2 is located in the position above bottom plate 101, and placement assembly 2 comprises frame body 201 and circuit board body 202; measurement assembly 3 is located in the position above support 102, and measurement assembly 3 comprises two sliding seats 301; switching assembly 4 is fixedly connected on the top of bottom plate 101, and switching assembly 4 comprises two legs 401, two legs 401 are fixedly connected with first mounting plate 402, first mounting plate 402 is rotatably connected with first connecting shaft 403 penetrating through the outer surface of first mounting plate 402, second connecting shaft 404 is rotatably connected with the outer surface of first mounting plate 402 close to the upper side of first connecting shaft 403, second connecting shaft 404 is fixedly connected with second mounting plate 408, and second mounting plate 408 is fixedly connected with mounting rod 409 on the outer surface.The blanking assembly 5 is fixedly connected to the top of the bottom plate 101, the blanking assembly 5 comprises a support rod 501, the outer surface of the support 102 is fixedly connected with a motor 103, the output end of the motor 103 penetrates through the support 102 and extends to the inner side, the output end of the motor 103 is fixedly connected with a bidirectional screw rod 104, the end face of the bidirectional screw rod 104 is rotatably connected with the inner surface of the support 102, two sliding seats 301 are symmetrically screwed on the outer surface of the bidirectional screw rod 104, the top of the sliding seat 301 is fixedly connected with a support 307, the bottom of the support 307 is fixedly connected with a first sliding block 302, the inner bottom of the support 102 is fixedly connected with a first sliding rail 105, the outer surface of the first sliding block 302 is slidably connected with the inner surface of the first sliding rail 105, the outer surface of the support 307 is fixedly connected with a connecting seat 308, the outer surface of one of the connecting seats 308 is uniformly fixedly connected with a plurality of first frame rods 309, the end faces of the plurality of first frame rods 309 are fixedly connected with a measuring plate 310, the outer surface of the other connecting seat 308 is uniformly fixedly connected with a second frame rod 311, the end faces of the plurality of second frame rods 311 are fixedly connected with a positioning frame 312, the other side of the outer surface of the other connecting seat 308 is fixedly connected with a fixed plate 313, the outer surface of the fixed plate 313 close to the side of the positioning frame 312 is fixedly connected with a camera 314, the frame body 201 is located between the measuring plate 310 and the positioning frame 312, the circuit board body 202 is located inside the frame body 201, the inner surfaces of the two sides of the frame body 201 are both provided with gaskets 203, the outer surfaces of the gaskets 203 are attached to the outer surface of the circuit board body 202, the top of the frame body 201 is provided with a notch 204, the end face of the first connecting shaft 403 is fixedly connected with a first pulley 405, the outer surface of the second connecting shaft 404 is fixedly connected with a second pulley 406, the outer surfaces of the first pulley 405 and the second pulley 406 are sleeved with a belt 407, the other end face of the first connecting shaft 403 is fixedly connected with a ratchet wheel 413, the outer surface of the first mounting plate 402 close to the side of the ratchet wheel 413 is fixedly connected with a plane bearing 410, the outer surface of the plane bearing 410 is uniformly fixedly connected with a plurality of extension rods 411, the end faces of the plurality of extension rods 411 are fixedly connected with a tooth ring 412, the tooth ring 412 is located outside the ratchet wheel 413, the inner surface of the tooth ring 412 is fixedly connected with a telescopic rod 415, the outer surfaces of the two telescopic rods 415 are both sleeved with a spring 414, the end faces of the two telescopic rods 415 are fixedly connected with a clamping block 416, the clamping block 416 is matched with the position of the ratchet wheel 413, the outer surface of the support 307 on the side of the measuring plate 310 is fixedly connected with a side plate 303, the outer surface of the side plate 303 is fixedly connected with a horizontal plate 304, the horizontal plate 304 is located below the tooth ring 412, the top of the horizontal plate 304 is fixedly connected with a tooth block 305, the tooth block 305 is meshedly connected with the tooth ring 412, the bottom of the horizontal plate 304 is fixedly connected with a second sliding block 306, the outer surface of the second sliding block 306 is slidably connected with the inner surface of the second sliding rail 106.

[0033] In the embodiment, when the circuit board is measured for electrical parameters, the circuit board body 202 is inserted into the frame body 201 for placement. After the motor 103 is started, it can drive the bidirectional screw rod 104 to rotate. Through the rotation of the bidirectional screw rod 104, the sliding seats 301 on both sides can be relatively moved towards the frame body 201. At this time, the connecting seats 308 on both sides are relatively moved towards the frame body 201, and the measurement plates 310 and the positioning frames 312 on both sides are respectively in a state of being attached to the two side surfaces of the circuit board body 202. The measurement plate 310 is attached to one side surface of the circuit board body 202, so that the front contacts or the back welds of the circuit board body 202 are connected, and the electrical parameter measurement of the circuit board body 202 is realized. Through the cooperation of the other side positioning frame 312, the positioning frame 312 and the second frame rod 311 are cooperatively arranged, so that the fixed plate 313 maintains a certain distance from the circuit board body 202. At this time, the camera 314 can capture the surface image of the circuit board body 202. The image of the circuit board body 202 captured by the camera 314 is transmitted to the system, so that the surface visual defect detection of the circuit board body 202 is realized. After the measurement of the current state of the circuit board body 202 is completed, the motor 103 is started to drive the bidirectional screw rod 104 to reverse, so that the supports 307 on both sides are displaced away from the frame body 201. Through the translation of the horizontal plate 304, the gear ring 412 can be rotated, the gear ring 412 can drive the ratchet wheel 413 to rotate in the same direction, and the ratchet wheel 413 can drive the second connecting shaft 404 to rotate through the connection of the first pulley 405, the belt 407 and the second pulley 406. Through the rotation of the second connecting shaft 404, the second mounting plate 408 and the two mounting rods 409 can be rotated. After the supports 307 are displaced to the outermost side, the second connecting shaft 404 is driven to complete a 180-degree rotation through the displacement of the tooth block 305. Therefore, the vertically placed circuit board body 202 is turned over. At this time, the circuit board body 202 has completed the connection and measurement of one side facing the camera 314, and the visual detection of the other side facing the measurement plate 310. Then, the motor 103 is continuously started to measure the circuit board body 202. Through the cooperation of the supporting assembly 1, the placing assembly 2, the measuring assembly 3 and the switching assembly 4, the circuit board body 202 can be automatically turned over to realize the electrical parameter measurement and visual defect detection of both sides, and has a high degree of automation.

[0034] Embodiment two

[0035] Figure 4 and Figure 8As shown, the circuit board body 202 is located inside the frame body 201, the inner surfaces of both sides of the frame body 201 are provided with gaskets 203, the outer surfaces of the gaskets 203 are attached to the outer surfaces of the circuit board body 202, the top of the frame body 201 is provided with a notch 204, the top of the supporting rod 501 is fixedly connected with a supporting plate 502, the bottom of the supporting plate 502 is fixedly connected with an electric push rod 503, the lower end surface of the electric push rod 503 is fixedly connected with a wedge block 504, the wedge block 504 is matched with the position of the notch 204, one side of the wedge block 504 facing the circuit board body 202 is a slope, and the thickness of the wedge block 504 is consistent with that of the circuit board body 202.

[0036] In this embodiment, after completing the measurement of both sides of the circuit board body 202, the motor 103 is started to drive the support 307 to move outward and reset, and then the electric push rod 503 is started to extend. After the electric push rod 503 runs and extends, it can drive the wedge block 504 to move downward. After the wedge block 504 moves downward, it can be inserted into the frame body 201 through the position of the notch 204. At this time, the slope of the wedge block 504 will be in contact with the circuit board body 202. With the continuous downward movement of the wedge block 504, the wedge block 504 can extrude the circuit board body 202 from the frame body 201. After the circuit board body 202 is extruded from the frame body 201, the worker can easily and quickly take out the circuit board body 202.

[0037] Embodiment three

[0038] Figure 3 And Figure 5 As shown, the outer surface of the support 307 on one side of the measuring plate 310 is fixedly connected with a side plate 303, the outer surface of the side plate 303 is fixedly connected with a horizontal plate 304, the horizontal plate 304 is located below the gear ring 412, the top of the horizontal plate 304 is fixedly connected with a gear block 305, the gear block 305 is engaged with the gear ring 412, and the bottom of the horizontal plate 304 is fixedly connected with a second sliding block 306. The outer surface of the second sliding block 306 is slidably connected with the inner surface of the second sliding rail 106.

[0039] In this embodiment, during the displacement of the support 307 to drive the horizontal plate 304 to move, the horizontal plate 304 drives the second sliding block 306 to move, and the second sliding block 306 moves along the second sliding rail 106. At this time, the cooperation of the second sliding rail 106 and the second sliding block 306 supports and limits the position of the horizontal plate 304, so as to ensure the stable displacement state of the horizontal plate 304, the stable engagement of the gear block 305 and the gear ring 412 for driving, and the stability of the device operation is improved.

[0040] The method for using the device and the working principle are as follows: when the circuit board is measured for electrical parameters, the circuit board body 202 is inserted into the frame body 201 for placement, the two side gaskets 203 in the frame body 201 can play a filling role, so that the circuit board body 202 is closely placed with the gaskets 203 in the frame body 201 for measurement, when the measurement starts, the circuit board body 202 is in a vertical state, and the connecting seats 308 on the two sides are away from the frame body 201, at this time, the motor 103 is started to operate, after the motor 103 is started, the bidirectional screw rod 104 can be driven to rotate, through the rotation of the bidirectional screw rod 104, the two sliding seats 301 on the two sides can be relatively moved towards the frame body 201, when the sliding seat 301 moves, the sliding seat 301 can drive the first sliding block 302 to move through the connection of the support 307, the first sliding block 302 slides on the inner wall of the first sliding rail 105, the first sliding block 302 and the first sliding rail 105 are matched to support and limit the displacement of the support 307, the support 307 moves to drive the connecting seat 308 to move, at this time, the connecting seats 308 on the two sides relatively move towards the frame body 201, after a certain distance is displaced, the measuring plates 310 and the positioning frames 312 on the two sides are respectively in close contact with the two side surfaces of the circuit board body 202, at this time, through the cooperation of the measuring plates 310 and the positioning frames 312, the measuring plate 310 is in close contact with one side surface of the circuit board body 202, the front contact or the back welding point of the circuit board body 202 is communicated, the electrical parameter measurement of the circuit board body 202 is realized, and through the cooperation of the other side positioning frame 312, the positioning frame 312 and the second frame rod 311 are matched to make the fixed plate 313 keep a certain distance from the circuit board body 202, at this time, the camera 314 can shoot the surface image of the circuit board body 202, the image of the circuit board body 202 is transmitted to the system through shooting, the surface visual defect detection of the circuit board body 202 is realized, at this time, the two surfaces of the circuit board body 202 are synchronously in the detection state, one surface completes the electrical parameter measurement, and the other surface completes the visual defect detection, after the measurement of the circuit board body 202 in the current state is completed, the motor 103 is started to drive the bidirectional screw rod 104 to reverse, at this time, through the rotation of the bidirectional screw rod 104, the two supports 307 can be displaced away from the frame body 201, when the support 307 moves outward, the support 307 can drive the horizontal plate 304 and the tooth block 305 to displace through the connection of the side plate 303, after the displacement of the horizontal plate 304 makes the tooth block 305 mesh with the tooth ring 412, through the translation of the horizontal plate 304, the tooth ring 412 can be rotated, when the tooth ring 412 rotates, the spring 414, the telescopic rod 415 and the clamping block 416 can be rotated, at this time, the vertical surface of the clamping block 416 is in close contact with the vertical surface of the ratchet wheel 413, so that the tooth ring 412 can drive the ratchet wheel 413 to rotate in the same direction,The ratchet wheel 413 rotates to drive the first connecting shaft 403 to rotate, the first connecting shaft 403 rotates to drive the second connecting shaft 404 to rotate through the connection of the first pulley 405, the belt 407 and the second pulley 406, the rotation of the second connecting shaft 404 drives the second mounting plate 408 and the two mounting rods 409 to rotate, since the mounting rods 409 are in a fixed state with the frame body 201, the rotation of the second connecting shaft 404 drives the frame body 201 and the internal circuit board body 202 to rotate at this time, after the support 307 moves to the outermost side, the second connecting shaft 404 completes a 180-degree rotation through the displacement of the tooth block 305, so the vertically placed circuit board body 202 completes a turnover at this time, and the side of the circuit board body 202 that has completed the communication measurement faces the camera 314, and the side that has completed the visual detection of the camera 314 faces the measurement plate 310, then the motor 103 is started to run to measure the circuit board body 202, after the motor 103 runs, the two supports 307 can be driven to move towards one side of the frame body 201, then the measurement plate 310 and the positioning frame 312 continue to move to the state of abutting the surface of the circuit board body 202, since the position of the circuit board body 202 has been turned over, the electrical parameter measurement and visual defect detection of both sides of the circuit board body 202 are completed at this time, through the cooperation of the supporting assembly 1, the placing assembly 2, the measuring assembly 3 and the switching assembly 4, the circuit board body 202 can be automatically turned over to realize the electrical parameter measurement and visual defect detection of both sides, which has high automation, during the movement of the support 307 towards one side of the frame body 201, the tooth block 305 continues to engage with the tooth ring 412 at this time, the tooth ring 412 rotates in the opposite direction compared to the outward movement state of the support 307, at this time, when the tooth ring 412 drives the clamping block 416 to rotate, the inclined surface of the clamping block 416 is in contact with the inclined surface of the ratchet wheel 413, so the ratchet wheel 413 pushes the clamping block 416 to move towards one side of the spring 414 at this time, the spring 414 shrinks after being compressed, and the extension rod 415 is arranged to support and limit the displacement of the clamping block 416, at this time, as the clamping block 416 deforms, the ratchet wheel 413 does not rotate when the tooth ring 412 rotates, that is, the turnover position of the frame body 201 does not change, during the displacement of the support 307 to drive the horizontal plate 304 to move, the horizontal plate 304 drives the second sliding block 306 to move, and the second sliding block 306 moves along the second sliding rail 106, at this time, the second sliding rail 106 and the second sliding block 306 are arranged to support and limit the position of the horizontal plate 304, so that the displacement state of the horizontal plate 304 can be stabilized, the tooth block 305 and the tooth ring 412 stably engage to achieve driving, which improves the stability of the device operation, after completing the measurement of both sides of the circuit board body 202, the motor 103 is started to drive the support 307 to move outward and reset, then the electric push rod 503 is started to extend,The electric push rod 503 runs to the elongated state, and can drive the wedge block 504 to move downward, the wedge block 504 is inserted into the frame body 201 through the slot 204, at this time, the inclined surface of the wedge block 504 is in contact with the circuit board body 202, with the continuous downward movement of the wedge block 504, the wedge block 504 can extrude the circuit board body 202 from the frame body 201, after the circuit board body 202 is extruded from the frame body 201, the worker can take out the circuit board body 202, and the taking-out operation of the circuit board body 202 is convenient and fast.

[0041] The wiring diagram of the motor 103, the measuring plate 310, the camera 314 and the electric push rod 503 in the application belongs to the common knowledge in the field, and the working principle is the known technology, and the model is selected according to the actual use, so the control mode and the wiring arrangement of the motor 103, the measuring plate 310, the camera 314 and the electric push rod 503 are not explained in detail.

[0042] Although the application is described in detail with reference to the foregoing embodiments, those skilled in the art can modify the technical solutions recorded in the foregoing embodiments or replace some technical features equivalently, and any modification, equivalent replacement, improvement and the like within the spirit and principle of the application should be included in the protection scope of the application.

Claims

1. A circuit board electrical parameter measurement system, comprising: Supporting assembly (1), placing assembly (2), measuring assembly (3), switching assembly (4) and unloading assembly (5), characterized by: The supporting assembly (1) comprises a bottom plate (101), and the top of the bottom plate (101) is fixedly connected with a support (102) and a second sliding rail (106); The placing assembly (2) is located above the bottom plate (101), and the placing assembly (2) comprises a frame (201) and a circuit board body (202); The measuring assembly (3) is located above the support (102), and the measuring assembly (3) comprises two sliding seats (301); The switching assembly (4) is fixedly connected to the top of the bottom plate (101), and the switching assembly (4) comprises two supporting legs (401), two supporting legs (401) are fixedly connected with a first mounting plate (402), a first connecting shaft (403) penetrates through the outer surface of the first mounting plate (402) and is rotatably connected, a second connecting shaft (404) is rotatably connected to the outer surface of the first mounting plate (402) and close to the upper side of the first connecting shaft (403), the end surface of the second connecting shaft (404) is fixedly connected with a second mounting plate (408), and the outer surface of the second mounting plate (408) is fixedly connected with mounting rods (409) in a symmetrical manner. The blanking assembly (5) is fixedly connected on the top of the bottom plate (101), the blanking assembly (5) comprises a support rod (501), the outer surface of the support (102) is fixedly connected with a motor (103), the output end of the motor (103) penetrates through the support (102) and extends to the inner side, the output end of the motor (103) is fixedly connected with a bidirectional screw rod (104), the end surface of the bidirectional screw rod (104) is rotatably connected with the inner surface of the support (102), two sliding seats (301) are symmetrically screwed on the outer surface of the bidirectional screw rod (104), the top of the sliding seat (301) is fixedly connected with a support (307), the bottom of the support (307) is fixedly connected with a first sliding block (302), the inner bottom of the support (102) is fixedly connected with a first sliding rail (105), the outer surface of the first sliding block (302) is slidably connected with the inner surface of the first sliding rail (105), the outer surface of the support (307) is fixedly connected with a connecting seat (308), the outer surface of one of the connecting seats (308) is uniformly fixedly connected with a plurality of first frame rods (309), the end surfaces of the plurality of first frame rods (309) are fixedly connected with a measuring plate (310), the outer surface of the other connecting seat (308) is uniformly fixedly connected with a second frame rod (311), the end surfaces of the plurality of second frame rods (311) are fixedly connected with a positioning frame (312), the other side of the outer surface of the other connecting seat (308) is fixedly connected with a fixed plate (313), the outer surface of the fixed plate (313) close to the side of the positioning frame (312) is fixedly connected with a camera (314), the frame body (201) is located between the measuring plate (310) and the positioning frame (312), the circuit board body (202) is located on the inner side of the frame body (201), the inner surfaces of the two sides of the frame body (201) are provided with gaskets (203), the outer surface of the gasket (203) is attached to the outer surface of the circuit board body (202), the top of the frame body (201) is provided with a notch (204), the end surface of the first connecting shaft (403) is fixedly connected with a first belt pulley (405), the outer surface of the second connecting shaft (404) is fixedly connected with a second belt pulley (406), the outer surfaces of the first belt pulley (405) and the second belt pulley (406) are sleeved with a belt (407), the other end surface of the first connecting shaft (403) is fixedly connected with a ratchet wheel (413), the outer surface of the first mounting plate (402) close to the ratchet wheel (413) is fixedly connected with a plane bearing (410), the outer surface of the plane bearing (410) is uniformly fixedly connected with a plurality of extension rods (411), the end surfaces of the plurality of extension rods (411) are fixedly connected with a gear ring (412), the gear ring (412) is located on the outer side of the ratchet wheel (413), the inner surface of the gear ring (412) is fixedly connected with a telescopic rod (415), the outer surfaces of the two telescopic rods (415) are sleeved with springs (414), the end surfaces of the two telescopic rods (415) are fixedly connected with a clamping block (416),The card block (416) is matched with the position of the ratchet (413), the outer surface of the support (307) on one side of the measuring plate (310) is fixedly connected with the side plate (303), the outer surface of the side plate (303) is fixedly connected with the horizontal plate (304), the horizontal plate (304) is located below the tooth ring (412), the top of the horizontal plate (304) is fixedly connected with the tooth block (305), the tooth block (305) is meshed with the tooth ring (412), the bottom of the horizontal plate (304) is fixedly connected with the second sliding block (306) symmetrically, the outer surface of the second sliding block (306) is slidably connected with the inner surface of the second sliding rail (106), the top of the supporting rod (501) is fixedly connected with the supporting plate (502), the bottom of the supporting plate (502) is fixedly connected with the electric push rod (503), the lower end surface of the electric push rod (503) is fixedly connected with the wedge block (504), the wedge block (504) is matched with the notched (204), one side of the wedge block (504) towards the circuit board body (202) is inclined, and the thickness of the wedge block (504) is consistent with that of the circuit board body (202).

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Patent Citations

  • A PCB AOI testing machine

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