Insulation and voltage resistance testing device for copper-clad plate

Abstract

The utility model discloses a copper-clad plate insulation and voltage resistance testing device which comprises a base, a pressure applying mechanism, a side electricity mechanism and a measuring meter, a plurality of supporting columns used for supporting a copper-clad plate are arranged on the base, a horizontal sliding rail is arranged above the base, a left sliding plate and a right sliding plate are sequentially installed on the horizontal sliding rail, and the pressure applying mechanism comprises a plurality of air hammers. The side electricity mechanism comprises a lifting plate, a positive plate and a negative plate, the positive plate is mounted on the lifting plate, the negative plate is fixedly mounted on the base, a plurality of positive probes are arranged on the positive plate, a plurality of negative probes are arranged on the negative plate, and the lifting driving mechanism drives the lifting plate to move up and down. The device for testing the insulation and voltage resistance of the copper-clad plate can be used for testing the insulation and voltage resistance of the copper-clad plate in different modes of simulating a complex use environment of a printed circuit board, providing physical pressure application, improving test voltage and the like, and can be used for effectively testing the product quality of the copper-clad plate.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of copper-clad plate testing, and particularly relates to a copper-clad plate insulation withstand voltage performance testing device. BACKGROUND

[0002] The structure of the copper-clad plate comprises a substrate and a copper foil layer. When the copper-clad plate is used, the copper foil layer in a specific area is corroded to form a circuit. When the insulation performance of the copper-clad plate is poor, the circuit will be unstable, thereby affecting the normal operation of the circuit board. The copper foil layer on the copper-clad plate is bonded to the substrate layer by glue, and the stability of the bonding layer and the stability of the copper foil layer determine the quality of the copper-clad plate. Therefore, a testing device capable of quickly and effectively testing the insulation withstand voltage performance of the copper-clad plate needs to be designed. SUMMARY

[0003] To solve the above technical problems, the utility model adopts the technical scheme of a copper-clad plate insulation withstand voltage performance testing device, which comprises a base, a pressure applying mechanism, a side power supply mechanism, and a measuring table. The base is provided with a plurality of support columns for supporting the copper-clad plate. A horizontal sliding rail is arranged above the base. A left sliding plate and a right sliding plate are sequentially arranged on the horizontal sliding rail. The left sliding plate is driven by a left driving mechanism to move on the horizontal sliding rail. The right sliding plate is driven by a right driving mechanism to move on the horizontal sliding rail. The pressure applying mechanism comprises a plurality of air hammers. The air hammers are sequentially arranged on the left sliding plate. Each air hammer comprises a hammer head arranged downward. The side power supply mechanism comprises a lifting plate, a positive plate, and a negative plate. The positive plate is arranged on the lifting plate. The negative plate is fixedly arranged on the base. A plurality of positive probes are arranged downward on the positive plate. A plurality of negative probes are arranged upward on the negative plate. All the positive probes are connected to the positive test probe of the measuring table. All the negative probes are connected to the negative test probe of the measuring table. A lifting driving mechanism is arranged on the right sliding plate. The lifting driving mechanism drives the lifting plate to move up and down.

[0004] As a preferred solution of the above technical scheme, the lower end of the support column is arranged on the base. The upper end of the support column is connected to a supporting plate through a universal joint.

[0005] As a preferred solution of the above technical scheme, the universal joint comprises a ball groove arranged at the upper end of the support column and a ball head arranged in the ball groove. A lower mounting hole is arranged in the middle of the ball groove. An upper mounting hole is arranged on the ball head. A return spring is arranged between the ball head and the support column. The lower end of the return spring is inserted into the lower mounting hole and fixedly connected to the support column. The upper end of the return spring is inserted into the upper mounting hole and fixedly connected to the ball head.

[0006] As a preferred solution of the above technical scheme, a vacuum suction cup is arranged on the supporting plate.

[0007] As the preferred technical scheme, the number of the support columns is four, the lower ends of two support columns are fixedly connected through the left sliding block, the lower ends of the other two support columns are fixedly connected through the right sliding block, the lower sliding rail is arranged on the base, the left sliding block and the right sliding block are slidably arranged on the lower sliding rail, the bidirectional screw rod and the rotary motor are arranged on the base, the rotary motor drives the bidirectional screw rod to rotate, the bidirectional screw rod comprises a forward threaded section and a reverse threaded section, the forward threaded section is provided with the forward screw pair in a matched mode, the reverse threaded section is provided with the reverse screw pair in a matched mode, the forward screw pair is fixedly connected with the left sliding block, and the reverse screw pair is fixedly connected with the right sliding block.

[0008] As the preferred technical scheme, the left driving mechanism comprises a left motor and a left screw rod, the mounting frame is fixedly arranged on the base, the horizontal sliding rail is fixedly arranged on the mounting frame, and the two ends of the left screw rod are rotatably arranged on the mounting frame; the right driving mechanism comprises a right motor and a right screw rod, and the two ends of the right screw rod are rotatably arranged on the mounting frame.

[0009] As the preferred technical scheme, the measuring table is a multimeter.

[0010] The copper-clad plate insulation withstand voltage performance testing device can simulate the complex use environment of the printed circuit board, provide different modes such as physical pressure and improved test voltage to test the insulation withstand voltage performance of the copper-clad plate, and can effectively test the product quality of the copper-clad plate. BRIEF DESCRIPTION OF DRAWINGS

[0011] Figure 1 is a structural schematic view of the utility model;

[0012] Figure 2 is a front view of the utility model;

[0013] Figure 3 is a structural schematic view of the universal joint;

[0014] Figure 4 is a structural schematic view of the negative plate. DETAILED DESCRIPTION

[0015] The technical scheme of the utility model will be described clearly and completely in combination with the drawings, obviously, the described embodiments are a part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the protection scope of the utility model.

[0016] In the description of this utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0017] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0018] like Figures 1-4 As shown, the copper-clad laminate insulation withstand voltage test device includes a base 1, a pressure application mechanism, a side-current mechanism, and a measuring instrument. The base 1 has several support columns 3 for supporting the copper-clad laminate 2. A horizontal slide rail 4 is located above the base 1. A left slide plate 5 and a right slide plate 6 are sequentially mounted on the horizontal slide rail 4. The left slide plate 5 is driven by a left drive mechanism to move on the horizontal slide rail 4, and the right slide plate 6 is driven by a right drive mechanism to move on the horizontal slide rail 4. The pressure application mechanism includes several air hammers 7, which are sequentially mounted on the left slide plate 5. Each air hammer 7 includes a downward-facing... The hammerhead 8, the side-electric mechanism includes a lifting plate 9, a positive electrode plate 10, and a negative electrode plate 11. The positive electrode plate 10 is mounted on the lifting plate 9, and the negative electrode plate 11 is fixedly mounted on the base 1. The positive electrode plate 10 has several downward-facing positive electrode probes 12, and the negative electrode plate 11 has several upward-facing negative electrode probes 13. All positive electrode probes 12 are connected to the positive electrode test probe of the measuring instrument, and all negative electrode probes 13 are connected to the negative electrode test probe of the measuring instrument. A lifting drive mechanism is installed on the right slide plate 6, which drives the lifting plate 9 to move up and down. The negative electrode plate 11 has a telescopic groove, and the lower end of the negative electrode probe 13 extends into the telescopic groove. A telescopic spring 32 is installed in the telescopic groove.

[0019] Furthermore, the lower end of the support column 3 is mounted on the base 1, and the upper end of the support column 3 is connected to the support plate 14 via a universal joint. The universal joint allows the support plate 14 to face at any angle, preventing the support plate 14 from scratching the copper-clad laminate 2 and affecting the test results.

[0020] Further, the universal joint comprises a ball groove 15 at the upper end of the support column 3 and a ball head 16 in the ball groove 15, the middle of the ball groove 15 is provided with a lower mounting hole 17, the ball head 16 is provided with an upper mounting hole 18, a return spring 19 is connected between the ball head 16 and the support column 3, the lower end of the return spring 19 extends into the lower mounting hole 17 and is fixedly connected with the support column 3, and the upper end of the return spring 19 extends into the upper mounting hole 18 and is fixedly connected with the ball head 16. The return spring 19 enables the universal joint to automatically reset when the copper-clad plate 2 is not subjected to external force.

[0021] Further, the supporting plate 14 is connected with a vacuum chuck 20. The vacuum chuck 20 can tightly suck the copper-clad plate 2 to prevent the copper-clad plate 2 from falling off the supporting plate 14 during the test.

[0022] Further, the number of the support columns 3 is four, the lower ends of two support columns 3 are fixedly connected through a left sliding block 21, the lower ends of the other two support columns 3 are fixedly connected through a right sliding block 22, the base 1 is provided with a lower sliding rail 23, the left sliding block 21 and the right sliding block 22 are slidably installed on the lower sliding rail 23, the base 1 is installed with a bidirectional screw rod and a rotating motor 24, the rotating motor 24 drives the bidirectional screw rod to rotate, the bidirectional screw rod comprises a forward threaded section 25 and a reverse threaded section 26, a forward screw rod pair is cooperatively installed on the forward threaded section 25, and a reverse screw rod pair is cooperatively installed on the reverse threaded section 26, the forward screw rod pair is fixedly connected with the left sliding block 21, and the reverse screw rod pair is fixedly connected with the right sliding block 22.

[0023] Further, the left driving mechanism comprises a left motor 27 and a left screw rod 28, the base 1 is fixedly installed with a mounting frame 29, the horizontal sliding rail 4 is fixed on the mounting frame 29, both ends of the left screw rod 28 are rotatably installed on the mounting frame 29, the left motor 27 drives the left screw rod 28 to rotate, the left screw rod 28 is provided with a left screw rod pair, and the left screw rod pair is fixedly connected with the left sliding plate 5. The right driving mechanism comprises a right motor 30 and a right screw rod 31, both ends of the right screw rod 31 are rotatably installed on the mounting frame 29, the right motor 30 drives the right screw rod 31 to rotate, the right screw rod 31 is installed with a right screw rod pair, and the right screw rod pair is fixedly connected with the right sliding plate 6.

[0024] Further, the measuring table is a multimeter.

[0025] The copper-clad plate 2 insulation withstand voltage performance test method uses the copper-clad plate 2 insulation withstand voltage performance test device, and includes the following steps: the copper-clad plate 2 is placed on the support column 3 on the base 1, the copper foil layer on the copper-clad plate 2 faces upwards, the vacuum chuck 20 is used to cover the copper-clad plate 2; the left driving mechanism drives the left sliding plate 5 to move back and forth on the horizontal slide rail 4, the air hammer 7 is started, the hammer head 8 is used to continuously knock the copper-clad plate 2, so that the copper-clad plate 2 is extruded and vibrated; after the left sliding plate 5 is reset, the right driving mechanism drives the right sliding plate 6 to move back and forth on the horizontal slide rail 4, so that the right sliding plate 6 stays above different positions of the copper-clad plate 2; when the right sliding plate 6 remains stationary, the lifting driving mechanism drives the lifting plate 9 to move downwards, so that the positive probe 12 and the negative probe 13 contact the upper and lower surfaces of the copper-clad plate 2 respectively, according to the current, voltage or resistance readings on the measuring table, whether the insulation performance of the copper-clad plate 2 under the action of mechanical vibration is good or not is judged; the voltage of the test is increased, and the high-voltage resistance performance of the copper-clad plate 2 is tested.

[0026] It is worth mentioning that the motor, multimeter and other technical features involved in the utility model patent application should be regarded as prior art, and the specific structure, working principle and possible control mode, spatial arrangement mode of these technical features can be selected by using the conventional selection in the art, and should not be regarded as the invention point of the utility model patent, and the utility model patent will not be further expanded and described in detail.

[0027] The above detailed the preferred embodiments of the utility model, it should be understood that ordinary skilled in the art can make many modifications and changes according to the concept of the utility model without creative labor, therefore, all technical solutions obtained by logical analysis, reasoning or limited experiments on the basis of prior art according to the concept of the utility model should be within the protection scope determined by the claims.

Claims

1. A device for testing the insulation withstand voltage performance of copper-clad plate, characterized in that, The utility model provides a copper clad plate testing device, including base, pressure mechanism, side electric mechanism, measuring table, be equipped with a plurality of support column for supporting copper clad plate on the base, the top of base is equipped with horizontal slide rail, horizontal slide rail installs left slide plate and right slide plate in proper order, left slide plate is driven to move on horizontal slide rail by left drive mechanism, right slide plate is driven to move on horizontal slide rail by right drive mechanism, pressure mechanism includes a plurality of air hammer, air hammer installs in left slide plate in proper order, air hammer includes the hammer head of setting down, side electric mechanism includes lifting plate, positive plate and negative plate, positive plate installs on lifting plate, negative plate is fixedly installed on base, be equipped with a plurality of positive probe of setting down on positive plate, be equipped with a plurality of negative probe of setting up on negative plate, all positive probe connects the positive test probe of measuring table, all negative probe connects the negative test probe of measuring table, right slide plate installs lifting drive mechanism, lifting drive mechanism drives lifting plate to move up and down.

2. The copper-clad plate insulation voltage resistance performance testing device according to claim 1, wherein, The lower end of the support column is installed on the base, and the upper end of the support column is connected with a supporting plate through a universal joint.

3. The copper-clad plate insulation voltage resistance performance testing device according to claim 2, wherein, The universal joint includes a ball groove at the upper end of the support column and a ball head in the ball groove, the middle part of the ball groove is provided with a lower mounting hole, the ball head is provided with an upper mounting hole, a return spring is connected between the ball head and the support column, the lower end of the return spring extends into the lower mounting hole and is fixedly connected with the support column, and the upper end of the return spring extends into the upper mounting hole and is fixedly connected with the ball head.

4. The copper-clad plate insulation voltage resistance performance testing device of claim 3, wherein, The supporting plate is connected with a vacuum chuck.

5. The copper-clad plate insulation voltage resistance performance testing device of claim 4, wherein, The number of the support columns is four, the lower ends of two support columns are fixedly connected through a left sliding block, the lower ends of the other two support columns are fixedly connected through a right sliding block, the base is provided with a lower slide rail, the left sliding block and the right sliding block are slidably installed on the lower slide rail, the base is installed with a bidirectional screw rod and a rotary motor, the rotary motor drives the bidirectional screw rod to rotate, the bidirectional screw rod includes a forward threaded section and a reverse threaded section, a forward screw rod pair is cooperatively installed on the forward threaded section, a reverse screw rod pair is cooperatively installed on the reverse threaded section, the forward screw rod pair is fixedly connected with the left sliding block, and the reverse screw rod pair is fixedly connected with the right sliding block.

6. The copper-clad plate insulation voltage resistance performance testing device of claim 1, wherein, The left drive mechanism includes a left motor and a left screw rod, the base is fixedly installed with a mounting bracket, the horizontal slide rail is fixed on the mounting bracket, the two ends of the left screw rod are rotatably installed on the mounting bracket, and the left motor drives the left screw rod to rotate, the right drive mechanism includes a right motor and a right screw rod, the two ends of the right screw rod are rotatably installed on the mounting bracket, and the right motor drives the right screw rod to rotate.

7. The copper-clad plate insulation voltage resistance performance testing device of claim 1, wherein, The measuring table is a multimeter.

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