Insulation and voltage resistance testing mechanism for PCB (Printed Circuit Board) substrate

Abstract

The utility model relates to a PCB (printed circuit board) substrate insulation and voltage resistance testing mechanism, which comprises a bottom plate, a vertical plate is mounted on the bottom plate, a three-axis cylinder is mounted at the top of the vertical plate through a cylinder mounting plate, and a driving end at the bottom of the three-axis cylinder is connected with an upper jig assembly below through an adapter plate. And a lower jig assembly is arranged on the bottom plate under the upper jig assembly. Through the structure that the upper jig assembly and the lower jig assembly are matched with each other, manual operation is simple, and the overall cost of equipment is greatly reduced; according to the utility model, for different PCB products, only the jig assembly needs to be replaced, and the compatibility is good.

Description

TECHNICAL FIELD

[0001] The utility model relates to the related technical field of PCB substrate processing especially relates to a kind of PCB substrate insulation withstand voltage test mechanism. BACKGROUND

[0002] The insulation withstand voltage performance of PCB is one of the key factors to ensure the safe and stable operation of electronic equipment. The withstand voltage test is a non-destructive test, which is used to detect whether the insulation capacity of the product under the frequently occurring transient high voltage is qualified. It applies high voltage to the tested equipment within a certain time to ensure that the insulation performance of the equipment is strong enough.

[0003] After mass retrieval, it is found that the existing Chinese patent No. CN219302559U discloses a PCB board insulation resistance test rack, which comprises a test base plate, a wiring column is arranged above the test base plate, the wiring column is located on the left side of the test base plate, a positioning block is arranged above the test base plate, the positioning block is located on the right side of the base plate, a plurality of circular through holes are arranged on the right side of the test base plate, a push column is arranged in the circular through hole, a PCB board is arranged above the push column, the PCB board is located in the positioning block, an insulation resistance test point is arranged above the PCB board, the size of the positioning block and the PCB board is matched, which is fast and convenient to use, simple to operate, and the top plate cylinder and the push column are arranged, so that the PCB board can be quickly measured, manpower is saved, the measurement efficiency is improved, and the practicality of the device is greatly improved.

[0004] In summary, the existing problems in the prior art are:

[0005] The existing insulation test equipment generally fixes the test fixture on the test equipment, so that the adaptation performance of the test fixture is poor.

[0006] In view of the above-mentioned defects, the present design person actively researches and innovates to create a PCB substrate insulation withstand voltage test mechanism, so that it has more industrial utilization value. INVENTION CONTENTS

[0007] To solve any of the above technical problems, the purpose of the present utility model is to provide a PCB substrate insulation withstand voltage test mechanism.

[0008] To achieve the above-mentioned purpose, the utility model adopts the following technical solutions:

[0009] The PCB substrate insulation withstand voltage test mechanism comprises a bottom plate, a vertical plate is installed on the bottom plate, a three-axis gas cylinder is installed on the top of the vertical plate through a gas cylinder mounting plate, the driving end of the bottom of the three-axis gas cylinder is connected with the upper jig assembly below through an adapter plate, and a lower jig assembly is arranged on the bottom plate below the upper jig assembly.

[0010] The upper jig assembly comprises, from top to bottom, an upper jig top plate and an upper jig sealing plate, the upper jig top plate is connected with the upper adapter plate, the upper jig sealing plate is installed at the bottom of the upper jig top plate, and an upper copper block is installed at the inner bottom of the upper jig sealing plate;

[0011] The lower jig assembly comprises, from bottom to top, a lower jig bottom plate and a lower jig sealing plate, the lower jig bottom plate is installed on the bottom plate, the lower jig sealing plate is installed on the lower jig bottom plate, and a lower copper block is installed at the inner top of the lower jig sealing plate.

[0012] As a further improvement of the utility model, a fixing block is installed on the inner bottom plate of the vertical plate, and the fixing block is connected with the outer vertical plate.

[0013] As a further improvement of the utility model, an electromagnetic valve is installed on one side of the vertical plate.

[0014] As a further improvement of the utility model, an oil-free bushing is installed on the left and right sides of the upper jig top plate, and a positioning pin matched with the oil-free bushing is installed on the lower jig bottom plate below the oil-free bushing.

[0015] As a further improvement of the utility model, an upper copper block clamping groove and an upper copper block installation groove are sequentially formed on the inner side of the upper jig sealing plate from top to bottom, the clamping part at the top of the upper copper block is clamped in the upper copper block clamping groove, and the contact part at the bottom of the upper copper block protrudes in the upper copper block installation groove after passing through the upper copper block clamping groove.

[0016] As a further improvement of the utility model, the inner diameters of the upper copper block clamping groove and the upper copper block installation groove are sequentially reduced, and the outer diameters of the clamping part at the top of the upper copper block and the contact part at the bottom of the upper copper block are sequentially reduced.

[0017] As a further improvement of the utility model, a lower copper block clamping groove and a lower copper block installation groove are sequentially formed on the inner side of the lower jig sealing plate from bottom to top, the clamping part at the bottom of the lower copper block is clamped in the lower copper block clamping groove, and the contact part at the top of the lower copper block protrudes in the lower copper block installation groove after passing through the lower copper block clamping groove.

[0018] As a further improvement of the utility model, the inner diameters of the lower copper block clamping groove and the lower copper block installation groove are sequentially reduced, and the outer diameters of the clamping part at the bottom of the lower copper block and the contact part at the top of the lower copper block are sequentially reduced.

[0019] By means of the above scheme, the utility model has at least the following advantages:

[0020] The utility model is simple in manual operation and greatly reduces the overall cost of the equipment.

[0021] The utility model is good in compatibility and only needs to replace the jig assembly for different product PCB boards.

[0022] The above description is only a summary of the technical scheme of the present application, in order to more clearly understand the technical means of the present application, and can be implemented according to the content of the specification, the following will be described in detail with the preferred embodiment of the present application and the accompanying drawings as follows. BRIEF DESCRIPTION OF DRAWINGS

[0023] In order to more clearly illustrate the technical scheme of the embodiment of the present application, the following will briefly introduce the drawings needed to be used in the embodiment, it should be understood that the following drawings only show some embodiments of the present application, therefore should not be regarded as a limitation on the scope, for those skilled in the art, without creative labor, other related drawings can also be obtained according to these drawings.

[0024] Figure 1 is a structural schematic diagram of a PCB substrate insulation voltage test mechanism of the present application;

[0025] Figure 2 is Figure 1 a structural schematic diagram of the upper jig assembly in the present application;

[0026] Figure 3 is Figure 1 a structural schematic diagram of the lower jig assembly in the present application.

[0027] In the drawings, the meanings of various reference signs are as follows.

[0028] Base plate 1, vertical plate 2, fixed block 3, electromagnetic valve 4, air cylinder mounting plate 5, three-axis air cylinder 6, adapter plate 7, upper jig assembly 8, lower jig assembly 9;

[0029] Upper jig top plate 81, upper jig sealing plate 82, oil-free bushing 83, upper copper block mounting groove 84, upper copper block 85;

[0030] Lower jig bottom plate 91, lower jig sealing plate 92, positioning pin 93, lower copper block mounting groove 94, lower copper block 95. DETAILED DESCRIPTION

[0031] The specific implementation of the present application will be further described in detail in combination with the drawings and examples. The following examples are used to illustrate the present application, but not to limit the scope of the present application.

[0032] In order to make the person skilled in the art better understand the technical scheme of the present application, the technical scheme in the embodiments of the present application will be described clearly and completely below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. The components of the embodiments of the present application described and shown in the drawings herein can be arranged and designed in various different configurations. Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the claimed present application, but only represents selected embodiments of the present application. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0033] As shown in the drawings, Figures 1-3 A PCB substrate insulation voltage test mechanism, comprising a bottom plate 1, a vertical plate 2 is installed on the bottom plate 1, a three-axis cylinder 6 is installed on the top of the vertical plate 2 through a cylinder mounting plate 5, the driving end of the bottom of the three-axis cylinder 6 is connected with the upper jig assembly 8 below through an adapter plate 7, and the lower jig assembly 9 is arranged on the bottom plate 1 below the upper jig assembly 8.

[0034] 1, the upper jig assembly 8 includes an upper jig top plate 81 and an upper jig sealing plate 82 from top to bottom, the upper jig top plate 81 is connected with the adapter plate 7 above, the upper jig sealing plate 82 is installed at the bottom of the upper jig top plate 81, and the upper copper block 85 is installed at the inner side of the bottom of the upper jig sealing plate 82. Among them, the upper jig sealing plate 82 is installed on the upper jig top plate 81 through the bolts around.

[0035] The upper copper block clamping groove and the upper copper block mounting groove 84 are sequentially arranged on the inner side of the upper jig sealing plate 82 from top to bottom, the clamping part at the top of the upper copper block 85 is clamped in the upper copper block clamping groove, and the contact part at the bottom of the upper copper block 85 protrudes in the upper copper block mounting groove 84 after passing through the upper copper block clamping groove.

[0036] The inner diameters of the upper copper block clamping groove and the upper copper block mounting groove 84 are sequentially reduced, and the outer diameters of the clamping part at the top of the upper copper block 85 and the contact part at the bottom of the upper copper block 85 are sequentially reduced.

[0037] 2, the lower jig assembly 9 includes a lower jig bottom plate 91 and a lower jig sealing plate 92 from bottom to top, the lower jig bottom plate 91 is installed on the bottom plate 1, the lower jig sealing plate 92 is installed on the lower jig bottom plate 91, and the lower copper block 95 is installed at the inner side of the top of the lower jig sealing plate 92. Among them, the lower jig sealing plate 92 is installed on the lower jig bottom plate 91 through the bolts around.

[0038] A lower copper block clamping groove and a lower copper block mounting groove 94 are sequentially formed on the inner side of the lower jig sealing plate 92 from bottom to top, the clamping part at the bottom of the lower copper block 95 is clamped in the lower copper block clamping groove, and the contact part at the top of the lower copper block 95 protrudes in the lower copper block mounting groove 94 after passing through the lower copper block clamping groove.

[0039] The inner diameters of the lower copper block clamping groove and the lower copper block mounting groove 94 are sequentially reduced, and the outer diameters of the clamping part at the bottom of the lower copper block 95 and the contact part at the top of the lower copper block 95 are sequentially reduced.

[0040] In the above upper and lower jig assembly, different jigs and copper blocks can be replaced to process different types of products, and the jigs and copper blocks are convenient to install and disassemble.

[0041] 3, The oilless bushing 83 is installed on the left and right sides of the upper jig top plate 81, and the positioning pin 93 matched with the oilless bushing 83 is installed on the lower jig bottom plate 91 below the oilless bushing 83. The positioning pin 93 and the oilless bushing 83 ensure the precise cooperation of the upper jig assembly 8 and the lower jig assembly 9.

[0042] The fixing block 3 is installed on the inner side of the stand plate 2, and the fixing block 3 is connected with the outer side of the stand plate 2, thereby improving the installation strength of the stand plate 2 on the bottom plate 1. The electromagnetic valve 4 is installed on one side of the stand plate 2.

[0043] The utility model discloses a scheme that adopts a cylinder to carry out lifting motion, thereby driving the upper jig sealing plate 82 and the lower jig sealing plate 92 to close, and through copper block overvoltage, insulation withstand voltage experiment is carried out. When the PCB board is placed in the step surface in the lower jig sealing plate 92, the bottom surface of the PCB board contacts with the lower copper block 95 in the lower jig assembly, the electromagnetic valve 4 controls the three-axis cylinder 6 to extend, drives the upper jig assembly to descend, and through the clearance cooperation between the oilless bushing 83 and the positioning pin 93, the precise cooperation of the upper jig assembly and the lower jig assembly is ensured.

[0044] The utility model discloses a scheme that adopts a cylinder to carry out lifting motion, thereby driving the upper jig sealing plate 82 and the lower jig sealing plate 92 to close, and through copper block overvoltage, insulation withstand voltage experiment is carried out. When the PCB board is placed in the step surface in the lower jig sealing plate 92, the bottom surface of the PCB board contacts with the lower copper block 95 in the lower jig assembly, the electromagnetic valve 4 controls the three-axis cylinder 6 to extend, drives the upper jig assembly to descend, and through the clearance cooperation between the oilless bushing 83 and the positioning pin 93, the precise cooperation of the upper jig assembly and the lower jig assembly is ensured.

[0045] In the description of the utility model, it is necessary to understand that the orientation or positional relation indicated by the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is the orientation or positional relation based on the orientation or positional relation shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model. In addition, the terms "first", "second" and the like are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implying the number of the technical features indicated. Therefore, the features limited by "first", "second" and the like can explicitly or implicitly include one or more of the features. In the description of the utility model, the meaning of "a plurality of" is two or more, unless otherwise specified.

[0046] In the description of the utility model, it should be pointed out that, unless otherwise specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixed connection, can also be detachable connection, or integrally connected, can be mechanical connection, can also be electrical connection, can be directly connected, can also be indirectly connected through an intermediate medium, can be the communication inside two elements.

[0047] The above is only the preferred embodiment of the utility model, and is not used to limit the utility model, and it should be pointed out that, for ordinary skilled in the art, on the premise of not departing from the technical principles of the utility model, a number of improvements and modifications can be made, and these improvements and modifications should also be regarded as the protection scope of the utility model.

Claims

1. A PCB substrate insulation voltage test mechanism, comprising a bottom plate (1), a vertical plate (2) is installed on the bottom plate (1), a three-axis air cylinder (6) is installed on the top of the vertical plate (2) through an air cylinder mounting plate (5), the driving end of the bottom of the three-axis air cylinder (6) is connected with the upper jig assembly (8) below through an adapter plate (7), and a lower jig assembly (9) is arranged on the bottom plate (1) directly below the upper jig assembly (8). characterized in that The upper jig assembly (8) comprises an upper jig top plate (81) and an upper jig sealing plate (82) from top to bottom, the upper jig top plate (81) is connected with the adapter plate (7) above, the upper jig sealing plate (82) is installed on the bottom of the upper jig top plate (81), and an upper copper block (85) is installed on the inner side of the bottom of the upper jig sealing plate (82). The lower jig assembly (9) comprises a lower jig bottom plate (91) and a lower jig sealing plate (92) from bottom to top, the lower jig bottom plate (91) is installed on the bottom plate (1), the lower jig sealing plate (92) is installed on the lower jig bottom plate (91), and a lower copper block (95) is installed on the inner side of the top of the lower jig sealing plate (92).

2. The PCB substrate insulation withstand voltage test mechanism according to claim 1, wherein, A fixing block (3) is installed on the bottom plate (1) of the inner side of the vertical plate (2), and the fixing block (3) is connected with the vertical plate (2) outside.

3. The PCB substrate insulation withstand voltage test mechanism according to claim 1, wherein, An electromagnetic valve (4) is installed on one side of the vertical plate (2).

4. The PCB substrate insulation withstand voltage test mechanism according to claim 1, wherein, Oil-free bushings (83) are installed on the left and right sides of the upper jig top plate (81), and positioning pins (93) matched with the oil-free bushings (83) are installed on the lower jig bottom plate (91) directly below the oil-free bushings (83).

5. The PCB substrate insulation withstand voltage test mechanism according to claim 1, wherein An upper copper block clamping groove and an upper copper block mounting groove (84) are sequentially arranged on the inner side of the upper jig sealing plate (82) from top to bottom, the clamping part on the top of the upper copper block (85) is clamped in the upper copper block clamping groove, and the contact part on the bottom of the upper copper block (85) protrudes into the upper copper block mounting groove (84) after passing through the upper copper block clamping groove.

6. The PCB substrate insulation withstand voltage test mechanism according to claim 5, wherein The inner diameters of the upper copper block clamping groove and the upper copper block mounting groove (84) are sequentially reduced, and the outer diameters of the clamping part on the top of the upper copper block (85) and the contact part on the bottom of the upper copper block (85) are sequentially reduced.

7. The PCB substrate insulation withstand voltage test mechanism according to claim 1, wherein A lower copper block clamping groove and a lower copper block mounting groove (94) are sequentially arranged on the inner side of the lower jig sealing plate (92) from bottom to top, the clamping part on the bottom of the lower copper block (95) is clamped in the lower copper block clamping groove, and the contact part on the top of the lower copper block (95) protrudes into the lower copper block mounting groove (94) after passing through the lower copper block clamping groove.

8. The PCB substrate insulation withstand voltage test mechanism according to claim 7, wherein The inner diameters of the lower copper block clamping groove and the lower copper block mounting groove (94) are sequentially reduced, and the outer diameters of the clamping part on the bottom of the lower copper block (95) and the contact part on the top of the lower copper block (95) are sequentially reduced.

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