PCB (Printed Circuit Board) detection jig

Abstract

The utility model relates to a PCB board detection jig, which comprises a driving cylinder, a moving plate and a support plate, the support plate is provided with a detection needle, a PCB board to be detected is located above the detection needle, the driving cylinder is provided with a telescopic rod, the telescopic rod is fixedly connected with the moving plate, so that the driving cylinder drives the moving plate to stretch out and draw back, and the PCB board to be detected is located above the detection needle. And the driving cylinder drives the moving plate to press the PCB to be detected down to the detection needle for detection. According to the PCB detection jig, automatic detection is achieved, force output by the driving air cylinder and formation are set in advance, it can be guaranteed that the PCB cannot be crushed, and the PCB detection jig has the advantages of being simple in structure, high in work efficiency and the like.

Description

Technical Field

[0001] The utility model relates to the field of jigs, and particularly to a PCB detection jig. Background Art

[0002] A PCB board, that is, a circuit board, has a large number of electronic components soldered thereon. After the electronic components are soldered, the PCB board needs to be detected to determine whether it is qualified. In the prior art, a toggle clamp is usually fixedly installed on a support platform in a detection jig, and the toggle clamp drives a moving plate provided with detection needles to press down onto the PCB board, so that the detection needles contact the PCB board to detect whether it is qualified. However, the pressing-down action of the toggle clamp is all completed manually. The worker holds the toggle clamp and presses it forcefully onto the PCB board, which may damage the PCB board due to excessive downward pressure, and may also damage the detection needles due to excessive downward pressure. Summary of the Invention

[0003] The purpose of the utility model is to solve the defects existing in the prior art, and a PCB board detection jig is proposed.

[0004] To achieve the above purpose, the utility model adopts the following technical scheme: A PCB board detection jig includes a driving cylinder, a moving plate, and a support plate. The support plate is provided with detection needles, and the PCB board to be detected is located above the detection needles. The driving cylinder has a telescopic rod, and the telescopic rod is fixedly connected to the moving plate, so that the driving cylinder drives the moving plate to expand and contract, and the driving cylinder drives the moving plate to press the PCB board to be detected onto the detection needles for detection.

[0005] In an embodiment of the present application, an electric control box is further included, and the support plate is placed on the electric control box.

[0006] In an embodiment of the present application, a preset number of guide posts and linear bearings are further included. The guide posts are slidably connected to the linear bearings. The moving plate is provided with linear bearing mounting holes, and the linear bearings are fixedly installed in the linear bearing mounting holes on the moving plate.

[0007] In an embodiment of the present application, the guide posts have two ends. One end of the guide post is fixedly connected to the electric control box, and the other end of the guide post extends into the linear bearings, so that the linear bearings slide on the guide posts.

[0008] In an embodiment of the present application, a preset number of pushing blocks are further included. The pushing blocks are fixedly connected to the surface of the moving plate facing the PCB board to be detected, so that when the driving cylinder drives the moving plate to press down, the pushing blocks press on the PCB board to be detected.

[0009] In an embodiment of the present application, it further includes at least two PCB board support plates. The two PCB board support plates are arranged parallel to each other and have a preset distance therebetween. The PCB board to be detected is placed on the two PCB board support plates.

[0010] In an embodiment of the present application, a support step is provided on the PCB board support plate. The support steps of the two PCB board support plates are arranged opposite to each other. The PCB board to be detected is placed on the two support steps.

[0011] In an embodiment of the present application, it further includes a positioning member. The positioning member is fixedly connected to the support plate. A positioning hole is provided on the PCB board to be detected. The positioning member passes through the positioning hole to position the PCB board to be detected.

[0012] In an embodiment of the present application, a conical head is provided on the positioning member. The conical head is used to prevent the PCB board from being pressed down excessively.

[0013] The beneficial effect of the present application is that the PCB board detection jig provided by the present application realizes automatic detection. The force and stroke output by the driving cylinder are both set in advance, which can ensure that the PCB board will not be damaged, and it also has the advantages of simple structure and high working efficiency. Description of the Drawings

[0014] Figure 1 It is a schematic structural diagram of a PCB board detection jig provided by the present utility model.

[0015] Figure 2 It is another schematic structural diagram of a PCB board detection jig provided by the present utility model.

[0016] Figure 3 It is Figure 1 a partially enlarged schematic diagram of Detailed Embodiments

[0017] The present application will be further described in detail below in conjunction with the drawings through specific embodiments. Similar elements in different embodiments are labeled with related similar element numbers. In the following embodiments, many details are described to make the present application better understood. However, those skilled in the art can easily recognize that some of the features can be omitted in different situations, or can be replaced by other elements, materials, or methods. In some cases, some operations related to the present application are not shown or described in the specification, which is to avoid the core part of the present application being overwhelmed by excessive description. For those skilled in the art, it is not necessary to describe these related operations in detail, and they can fully understand the related operations based on the description in the specification and the general technical knowledge in the art.

[0018] In addition, the features, operations, or characteristics described in the specification can be combined in any appropriate manner to form various embodiments, and the operation steps involved in each embodiment can also be reordered or adjusted in a manner obvious to those skilled in the art. Therefore, the specification and the drawings are only for clearly describing a certain embodiment and do not mean to be essential components and / or sequences.

[0019] The serial numbers assigned to the components in this article, such as "first", "second", etc., are only used to distinguish the objects described and do not have any sequential or technical meaning. And the "connection" and "coupling" mentioned in this application, unless otherwise specified, both include direct and indirect connection (coupling).

[0020] Please refer to Figures 1-3 , this application provides a PCB board detection fixture. The detection fixture includes a driving cylinder 1, a moving plate 2, and a support plate 7. A detection needle 12 is provided on the support plate 7. The PCB board to be detected is located above the detection needle 12. The driving cylinder 1 has a telescopic rod 11, and the telescopic rod 11 is fixedly connected to the moving plate 2, so that the driving cylinder 1 drives the moving plate 2 to expand and contract, and the driving cylinder 1 drives the moving plate 2 to press the PCB board to be detected onto the detection needle 12 for detection.

[0021] In an embodiment of the present application, the detection fixture further includes an electric control box 8, and the support plate 7 is placed on the electric control box 8. A controller is provided in the electric control box 8, and the controller is connected to the driving cylinder 1 to control the output force and output stroke size of the driving cylinder 1.

[0022] In an embodiment of the present application, the detection fixture further includes a preset number of guide posts 3 and linear bearings 4. The guide posts 3 are slidably connected to the linear bearings 4. A linear bearing mounting hole (not shown) is provided on the moving plate 2, and the linear bearing 4 is fixedly installed in the linear bearing mounting hole on the moving plate 2.

[0023] In an embodiment of the present application, the guide post 3 has two ends. One end of the guide post 3 is fixedly connected to the electric control box 8, and the other end of the guide post 3 extends into the linear bearing 4, so that the linear bearing 4 slides on the guide post 3.

[0024] In an embodiment of the present application, the detection fixture further includes a preset number of pushing blocks 5. The pushing blocks 5 are fixedly connected to the surface of the moving plate 1 facing the PCB board to be detected, so that when the driving cylinder 1 drives the moving plate 1 to press down, the pushing blocks 5 press on the PCB board to be detected.

[0025] In one embodiment of the present application, the detection fixture further includes at least two PCB board support plates 6. The two PCB board support plates 6 are arranged relatively parallel to each other and have a preset distance therebetween. The PCB board to be detected is placed on the two PCB board support plates 6.

[0026] In one embodiment of the present application, a support step 61 is provided on the PCB board support plate 6. The support steps 61 of the two PCB board support plates 6 are arranged opposite to each other. The PCB board to be detected is placed on the two support steps 61.

[0027] In one embodiment of the present application, the detection fixture further includes a positioning member 10. The positioning member 10 is fixedly connected to the support plate 7. A positioning hole (not shown) is provided on the PCB board to be detected. The positioning member 10 passes through the positioning hole to position the PCB board to be detected.

[0028] In one embodiment of the present application, a conical head 100 is provided on the positioning member 10. The conical head 100 is used to prevent the PCB board from being pressed down excessively.

[0029] The working principle of the present application is as follows: The present application provides a PCB board detection fixture. The controller in the electric control box controls the driving cylinder. The driving cylinder presses down the moving plate, and the moving plate drives the pushing block to press down on the PCB board. The detection pins on the support plate 7 detect the PCB board.

[0030] The PCB board detection fixture provided by the present application realizes automatic detection. The force and stroke output by the driving cylinder are both set in advance, which can ensure that the PCB board will not be damaged, and it also has the advantages of simple structure and high working efficiency.

[0031] The above embodiments are only used to illustrate the technical concept and characteristics of the present invention, and their purpose is to enable those skilled in the art to understand the content of the present invention and implement it accordingly. It should not be used to limit the protection scope of the present invention. All equivalent changes or modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.

Claims

1. A PCB board detection fixture, characterized in that, It includes a driving cylinder, a moving plate, and a supporting plate. A detection needle is provided on the supporting plate, and the PCB board to be detected is located above the detection needle. The driving cylinder has a telescopic rod, and the telescopic rod is fixedly connected to the moving plate, so that the driving cylinder drives the moving plate to expand and contract, and the driving cylinder drives the moving plate to press the PCB board to be detected onto the detection needle for detection; It further includes a pushing block with a preset quantity. The pushing block is fixedly connected to the surface of the moving plate facing the PCB board to be detected, so that when the driving cylinder drives the moving plate to press down, the pushing block presses on the PCB board to be detected. It also includes a positioning member, which is fixedly connected to the supporting plate. A positioning hole is provided on the PCB board to be detected, and the positioning member passes through the positioning hole to position the PCB board to be detected. A conical head is provided on the positioning member, and the conical head is used to prevent the PCB board from being pressed down excessively.

2. The PCB board detection fixture according to claim 1, characterized in that, It further includes an electric control box, and the supporting plate is placed on the electric control box.

3. The PCB board detection fixture according to claim 2, characterized in that, It further includes a guiding column and a linear bearing with a preset quantity. The guiding column is slidably connected to the linear bearing. A linear bearing mounting hole is provided on the moving plate, and the linear bearing is fixedly installed in the linear bearing mounting hole on the moving plate.

4. The PCB board detection fixture according to claim 3, characterized in that, Both ends of the guiding column are provided. One end of the guiding column is fixedly connected to the electric control box, and the other end of the guiding column extends into the linear bearing, so that the linear bearing slides on the guiding column.

5. The PCB board detection fixture according to claim 4, wherein It further includes at least two PCB board supporting plates. The two PCB board supporting plates are arranged relatively parallel and there is a preset distance between them. The PCB board to be detected is placed on the two PCB board supporting plates.

6. The PCB board detection fixture according to claim 5, characterized in that, A supporting step is provided on the PCB board supporting plate. The supporting steps of the two PCB board supporting plates are arranged relatively, and the PCB board to be detected is placed on the two supporting steps.

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