Detection jig for circuit board

Abstract

The utility model discloses a detection tool used for a circuit board, comprising a detection bench, one side above the detection bench is provided with a detection mechanism, one side of the detection mechanism is fixedly connected with a sliding rod, one side of the upper end of the detection bench is fixedly connected with a mounting rack, and the inner wall of the mounting rack is in threaded connection with a mounting screw. The cylinder is started, the lifting table moves upwards, the lifting table drives the L-shaped push rod to move, the L-shaped push rod slowly relieves limitation of one end of the L-shaped rotating frame, the elastic force of the reset spring pokes the connecting plate, the L-shaped rotating frame rotates along the mounting screw, the sliding rod slides in the L-shaped sliding groove, and the L-shaped rotating frame rotates along the mounting screw. According to the circuit board taking-down and placing device, the structure is simple, operation is convenient, the circuit board taking-down and placing efficiency is improved, and the situation that the workers are scratched by the pressing rods is also avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to a circuit board detection technical field, concretely to a detection fixture for circuit board. BACKGROUND

[0002] Circuit board, also known as printed circuit board, is a kind of substrate for connecting and supporting electronic components. When the circuit board produced in the factory needs to use detection fixture to accurately test every welding point and connecting line on the circuit board, to ensure that the electrical connection between them is correct. This test can timely find short circuit, open circuit and other electrical connection problems, avoid faults in the subsequent production and use process, and ensure that the qualified circuit board is delivered.

[0003] In the prior art, for example, Chinese patent CN216956257U discloses a detection fixture structure for circuit board, which comprises a base, a pad plate is fixedly arranged on the top of the base, a pressing plate is arranged above the pad plate, a detection needle is fixedly arranged at the bottom of the pressing plate, an electric push rod is fixedly arranged at the top of the detection needle, a display screen is fixedly arranged on the front of the base, support plates are arranged on both sides of the display screen, a screw rod is movably arranged in the support plate, one end of the screw rod is fixedly connected with the output shaft of the motor, a nut seat is movably arranged on the surface of the screw rod, and a moving plate is fixedly arranged on one side of the nut seat.

[0004] At present, most of the detection fixtures for circuit board are manually taken and placed after lifting the lifting plate, however, the distance between the lifting plate and the detection device of the existing equipment is small, and the circuit board is repeatedly installed and removed, the hands of the workers will knock the pressing rod on the lifting plate, and when working for a long time, the workers will be scratched when they are not careful, thus the use has safety hazard. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a detection fixture for circuit board to solve the problems in the background art.

[0006] To achieve the above object, the utility model provides the following technical scheme: a detection fixture for circuit board, including detection stage, the one side of the upper side of detection stage is provided with detection mechanism, the one side of detection mechanism is fixedly connected with sliding rod, the upper end one side of detection stage is fixedly connected with mounting bracket, the inner wall of mounting bracket is connected with installation screw threadedly, the outer surface one side of installation screw is rotatably connected with L type rotating frame, the one side of L type rotating frame is penetrated and is equipped with L type sliding slot, the inner wall of L type sliding slot is connected with the outer surface of sliding rod slidably, the outer surface other side of installation screw is connected with return spring, the outer surface one side of L type rotating frame is fixedly connected with connecting plate, the both ends of return spring are respectively connected with the one side of connecting plate and the one side of mounting bracket, the upper side of detection mechanism is provided with lifting platform, the one side of lifting platform is fixedly connected with L type push rod, the other side of L type rotating frame is rotatably connected with gyro wheel, the one side of L type push rod is rotatably connected with the outer surface of gyro wheel.

[0007] As further preferred of the technical scheme, the upper end other side of the detection table is fixedly connected with a support frame, the one side of the support frame is fixedly connected with a mounting table, the upper end one side of the mounting table is fixedly connected with a gas cylinder, the telescopic rod one end of the gas cylinder is fixedly connected with the upper end one side of the lifting platform, the lower end of the lifting platform is fixedly connected with a plurality of pressing rods, and the upper end of the detection mechanism is fixedly installed with a detection placing rack.

[0008] As further preferred of the technical scheme, the lower end of the detection mechanism is slidably connected with guide rails on both sides, and the one side of the two guide rails is fixedly connected with the upper end of the detection table.

[0009] As further preferred of the technical scheme, the other side of the detection mechanism is fixedly installed with a wiring port.

[0010] As further preferred of the technical scheme, the upper end of the lifting platform is fixedly connected with guide rods on both sides, and the outer surfaces of the two guide rods are slidably connected with the inner wall of the mounting table.

[0011] As further preferred of the technical scheme, the other side of the support frame is fixedly connected with a reinforcing rib, and the one side of the reinforcing rib is fixedly connected with the one side of the mounting table.

[0012] The utility model provides a detection fixture for circuit board, has the following beneficial effect:

[0013] (1)The utility model discloses a lifting platform moves up through the opening of the air cylinder, and the lifting platform drives L type push rod to move, and L type push rod slowly removes the restriction of one end of L type rotating frame, and the elastic force of reset spring drives connecting plate, makes L type rotating frame rotate along mounting screw, and sliding rod slides in L type sliding slot, thereby sliding detection mechanism on guide rail, removes detection mechanism from under lifting platform, and staff takes down and places circuit board, and this structure is simple, convenient operation improves circuit board taking down and placing efficiency, also avoids staff being scratched by compression rod.

[0014] (2)The utility model discloses a staff removes detection mechanism from under lifting platform, and staff takes down and places circuit board, and this structure is simple, convenient operation improves circuit board taking down and placing efficiency, also avoids staff being scratched by compression rod. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is first visual angle structural diagram of the utility model;

[0016] Figure 2 It is second visual angle structural diagram of the utility model;

[0017] Figure 3 It is Figure 2 It is local enlarged diagram of A area in the utility model;

[0018] Figure 4 It is explosion structural diagram of detection mechanism and mounting frame in the utility model;

[0019] In the drawing: 1, detection table;2, support frame;3, mounting table;4, air cylinder;5, lifting platform;6, compression rod;7, guide rod;8, detection mechanism;9, detection placing frame;10, mounting frame;11, guide rail;12, reinforcing rib;13, wiring port;14, L type push rod;15, L type rotating frame;16, reset spring;17, mounting screw;18, L type sliding slot;19, sliding rod;20, gyro wheel;21, connecting plate. DETAILED DESCRIPTION

[0020] The technical scheme in the embodiments of the utility model will be described clearly and completely in combination with the drawings in the embodiments of the utility model.

[0021] The utility model provides technical scheme: as Figure 1 - Figure 4As shown, in this embodiment, a detection jig for a circuit board comprises a detection table 1, a detection mechanism 8 is arranged on one side of the upper portion of the detection table 1, a sliding rod 19 is fixedly connected to one side of the detection mechanism 8, an installation rack 10 is fixedly connected to one side of the upper end of the detection table 1, installation screws 17 are threadedly connected to the inner wall of the installation rack 10, L-shaped rotating racks 15 are rotatably connected to one side of the outer surface of the installation screws 17, L-shaped sliding grooves 18 are formed through one side of the L-shaped rotating racks 15, the inner wall of the L-shaped sliding grooves 18 is slidably connected to the outer surface of the sliding rod 19, reset springs 16 are sleeved on the other side of the outer surface of the installation screws 17, connecting plates 21 are fixedly connected to one side of the outer surface of the L-shaped rotating racks 15, the two ends of the reset springs 16 are respectively abutted against one side of the connecting plates 21 and one side of the installation rack 10, a lifting table 5 is arranged above the detection mechanism 8, L-shaped push rods 14 are fixedly connected to one side of the lifting table 5, rollers 20 are rotatably connected to the other side of the L-shaped rotating racks 15, one side of the L-shaped push rods 14 is rollingly connected to the outer surface of the rollers 20, by opening the air cylinder 4, the lifting table 5 moves upward, the lifting table 5 drives the L-shaped push rods 14 to move, the L-shaped push rods 14 slowly release the restriction of one end of the L-shaped rotating racks 15, the connecting plates 21 are driven by the elastic force of the reset springs 16, so that the L-shaped rotating racks 15 rotate along the installation screws 17, the sliding rod 19 slides in the L-shaped sliding groove 18, so as to push the detection mechanism 8 to slide on the guide rails 11, and the detection mechanism 8 is moved out from below the lifting table 5, the staff takes down and places the circuit board, this structure is simple, convenient to operate, improves the efficiency of taking down and placing the circuit board, and also avoids that the staff is scratched by the compression rod 6.

[0022] As shown in Figure 1 and Figure 2 , the other side of the upper end of the detection table 1 is fixedly connected with a support frame 2, one side of the support frame 2 is fixedly connected with a mounting table 3, one side of the upper end of the mounting table 3 is fixedly connected with an air cylinder 4, one end of the telescopic rod of the air cylinder 4 is fixedly connected with one side of the upper end of the lifting table 5, a plurality of compression rods 6 are fixedly connected with the lower end of the lifting table 5, a detection placing rack 9 is fixedly installed on the upper end of the detection mechanism 8, by opening the air cylinder 4, the plurality of compression rods 6 on the lifting table 5 extrude the circuit board, so as to ensure that the probes in the detection mechanism 8 contact and detect the circuit board.

[0023] As shown in Figure 1 , Figure 2 and Figure 4 , the lower end of the detection mechanism 8 is slidably connected with guide rails 11 on both sides, one side of the two guide rails 11 is fixedly connected with the upper end of the detection table 1, by the structural design of the guide rails 11, the sliding of the detection mechanism 8 is limited, so as to ensure that the position of the compression rod 6 extruding the circuit board is fixed, and to prevent deviation.

[0024] As shown in Figure 1 , Figure 2 and Figure 4As shown, the other side of the detection mechanism 8 is fixedly installed with a wiring port 13, and the wiring port 13 is designed to provide power supply for the detection mechanism 8 and transmit the data detected by the detection mechanism 8 to the display screen on the detection table 1.

[0025] As shown in Figure 1 and Figure 2 The upper end of the lifting table 5 is fixedly connected with a guide rod 7 on both sides, and the outer surfaces of the two guide rods 7 are slidably connected with the inner walls of the mounting table 3. Through the structure design of the guide rod 7, the lifting of the lifting table 5 is limited, and the position of the extrusion of the pressing rod 6 and the circuit board is fixed, so that the deviation is prevented.

[0026] As shown in Figure 1 and Figure 2 The other side of the support frame 2 is fixedly connected with a reinforcing rib 12, and one side of the reinforcing rib 12 is fixedly connected with one side of the mounting table 3. Through the structure design of the reinforcing rib 12, the strength between the support frame 2 and the mounting table 3 can be enhanced, so that the equipment is not damaged after long-time use.

[0027] The utility model provides a kind of detection fixture for circuit board, specific working principle is as follows:

[0028] When the produced circuit board is detected, first, the circuit board is placed on the detection rack 9, the cylinder 4 is opened, the lifting table 5 moves downwards, the lifting table 5 drives L-shaped push rod 14 to move in the process of moving, one end of L-shaped push rod 14 is pressed on the roller 20, so that L-shaped rotating frame 15 rotates along mounting screw 17, when L-shaped rotating frame 15 rotates, sliding rod 19 slides in L-shaped sliding groove 18, so that detection mechanism 8 moves to the bottom of lifting table 5, when detection mechanism 8 moves to the top, one end of its pressing rod 6 just extrudes the circuit board on the detection rack 9, when extruding, the probe in detection mechanism 8 detects the circuit board, and the detected data is displayed on the display screen on the detection table 1, after detection, the cylinder 4 is opened, the telescopic rod in the cylinder 4 is retracted into the cylinder 4, the lifting table 5 moves upwards, the lifting table 5 drives L-shaped push rod 14 to move, L-shaped push rod 14 slowly releases the restriction of one end of L-shaped rotating frame 15, the elastic force of reset spring 16 drives connecting plate 21, so that L-shaped rotating frame 15 rotates along mounting screw 17, sliding rod 19 slides in L-shaped sliding groove 18, so as to push detection mechanism 8 to slide on guide rail 11, and detection mechanism 8 is moved out from the bottom of lifting table 5, and the circuit board is taken down and placed by worker, and the next circuit board is detected by repeating operation.

[0029] 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. An inspection fixture for a circuit board, comprising an inspection table (1), characterized in that: The upper side of the detection platform (1) is provided with a detection mechanism (8), one side of the detection mechanism (8) is fixedly connected with a sliding rod (19), the upper end of the detection platform (1) is fixedly connected with a mounting bracket (10), the inner wall of the mounting bracket (10) is threadedly connected with a mounting screw (17), the outer surface of the mounting screw (17) is rotatably connected with an L-shaped rotating frame (15), the L-shaped rotating frame (15) is provided with an L-shaped sliding groove (18) on one side, the inner wall of the L-shaped sliding groove (18) is slidably connected with the outer surface of the sliding rod (19), the outer surface of the mounting screw (17) is sleeved with a reset spring (16) on the other side, the outer surface of the L-shaped rotating frame (15) is fixedly connected with a connecting plate (21) on one side, the two ends of the reset spring (16) are respectively abutted with one side of the connecting plate (21) and one side of the mounting bracket (10), the upper side of the detection mechanism (8) is provided with a lifting platform (5), one side of the lifting platform (5) is fixedly connected with an L-shaped push rod (14), the other side of the L-shaped rotating frame (15) is rotatably connected with a roller (20), one side of the L-shaped push rod (14) is rollingly connected with the outer surface of the roller (20).

2. The detection fixture for a circuit board according to claim 1, wherein: The other side of the upper end of the detection platform (1) is fixedly connected with a support frame (2), one side of the support frame (2) is fixedly connected with a mounting table (3), one side of the upper end of the mounting table (3) is fixedly connected with an air cylinder (4), one end of the telescopic rod of the air cylinder (4) is fixedly connected with one side of the upper end of the lifting platform (5), the lower end of the lifting platform (5) is fixedly connected with a plurality of pressing rods (6), the upper end of the detection mechanism (8) is fixedly connected with a detection placing rack (9).

3. The detection fixture for a circuit board according to claim 1, wherein: The lower end of the detection mechanism (8) is slidably connected with guide rails (11) on both sides, one side of the two guide rails (11) is fixedly connected with the upper end of the detection platform (1).

4. The detection fixture for a circuit board according to claim 1, wherein: The other side of the detection mechanism (8) is fixedly connected with a wiring port (13).

5. The detection fixture for a circuit board according to claim 2, wherein: The upper end of the lifting platform (5) is fixedly connected with guide rods (7) on both sides, the outer surfaces of the two guide rods (7) are slidably connected with the inner walls of the mounting table (3).

6. The detection fixture for a circuit board according to claim 2, wherein: The other side of the support frame (2) is fixedly connected with a reinforcing rib (12), one side of the reinforcing rib (12) is fixedly connected with one side of the mounting table (3). The other side of the support frame (2) is fixedly connected with a reinforcing rib (12), one side of the reinforcing rib (12) is fixedly connected with one side of the mounting table (3).

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