Circuit board bending performance detection device

Abstract

The utility model relates to the technical field of detection devices, in particular to a circuit board bending performance detection device which comprises an operation table, two bearing plates are welded in the middle of the upper surface of the operation table, and the upper surfaces of the bearing plates are fixedly connected with a support. A sample plate to be detected is placed on the upper surfaces of the two supporting rods, the extending length of the hydraulic cylinder is adjusted, so that the pressure contact block touches the upper surface of the sample plate, the pressure value controlled by the pressure control valve and the horizontal position, displayed by the comparison ruler, of the lower surface of the sample plate are recorded, and along with the increase of the pressure, the detection accuracy is improved. According to the device, the sample plate deforms, the horizontal position of the lower surface of the sample plate also changes, the relation between the pressure acting on the surface of the sample plate and the deformation of the sample plate is finally obtained by continuously adjusting the hydraulic cylinder and recording data for multiple times, the requirement for the operation experience of workers is not high, the force acting on the surface of the circuit board can be controlled, and the working efficiency is improved. The bending test efficiency is improved, the workload of workers is small, and the practicability is higher.

Description

Technical Field

[0001] The utility model relates to the technical field of detection devices, in particular to a circuit board bending performance detection device. Background Art

[0002] Circuit board, also known as circuit board or PCB, is an indispensable part of electronic equipment. It mainly connects and supports electronic components. The design and manufacturing quality of circuit board are directly related to the performance and stability of electronic products. The bending performance of circuit board refers to the maximum stress that the circuit board can withstand without breaking when subjected to bending load. It is an important indicator to measure the mechanical performance of circuit board.

[0003] The existing circuit board bending performance test requires manual bending test of the circuit board. This method requires high operating experience of the workers and is not easy to control the force acting on the surface of the circuit board, resulting in low efficiency of the bending test, heavy workload of the workers and low detection efficiency. Therefore, a circuit board bending performance test device is proposed. Utility Model Content

[0004] The purpose of the utility model is to provide a circuit board bending performance detection device to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a circuit board bending performance detection device, comprising an operating table, two load-bearing plates are welded in the middle of the upper surface of the operating table, the upper surface of the load-bearing plate is fixedly connected to a bracket, the upper surface of the bracket is fixedly connected to a support rod, the upper surfaces of the two support rods are movably in contact with the same sample plate, two mounting plates are symmetrically welded on the upper surface of the operating table, the upper surfaces of the two mounting plates are fixedly connected to the same mounting bracket, the upper surface of the mounting bracket is fixedly connected to a hydraulic cylinder, the upper surface of the hydraulic cylinder is connected to an oil inlet pipe, the outer side wall of the oil inlet pipe is fixedly installed with a pressure control valve, one end of the piston rod of the hydraulic cylinder is fixedly connected to a pressure contact block, and the rear side of the upper surface of the operating table is fixedly connected to a comparison ruler.

[0006] As a further preferred embodiment of the technical solution: the upper surface of the support rod is an arc surface, and the lower surface of the pressure contact block is an arc surface.

[0007] As a further preferred embodiment of the present technical solution: the front surface of the comparison ruler is provided with scale lines.

[0008] As a further preferred embodiment of the present technical solution: an instrument is installed on the right surface of the pressure control valve.

[0009] As a further preferred embodiment of the present technical solution: a protective cover is fixedly connected to the front side of the upper surface of the operating table.

[0010] As a further preferred embodiment of the present technical solution: supporting feet are evenly welded on the lower surface of the operating table.

[0011] As a further preferred embodiment of the present technical solution: an anti-slip pad is fixedly connected to the lower surface of the support leg.

[0012] As a further preferred embodiment of the technical solution: a through hole is formed on the outer side wall of the mounting frame, and one end of the piston rod of the hydraulic cylinder passes through the through hole.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] The utility model places a sample plate to be tested on the upper surfaces of two support rods, adjusts the extended length of the hydraulic cylinder, makes the pressure contact block touch the upper surface of the sample plate, records the pressure value controlled by the pressure control valve and the horizontal position of the lower surface of the sample plate displayed by the comparison ruler, and as the pressure increases, the sample plate is deformed, and the horizontal position of the lower surface of the sample plate also changes. By continuously adjusting the hydraulic cylinder and recording multiple data, the relationship between the pressure acting on the surface of the sample plate and the deformation of the sample plate is finally obtained. The device does not require high operating experience from workers, can control the force acting on the surface of the circuit board, improves the efficiency of the bending test, and has a relatively small workload for workers and is more practical. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the main structure of the utility model;

[0016] Figure 2 It is a structural schematic diagram of the bracket and the support rod in the utility model;

[0017] Figure 3 It is a structural schematic diagram of the hydraulic cylinder in the utility model;

[0018] Figure 4 It is a structural schematic diagram of the comparison ruler in the utility model.

[0019] In the figure: 1. operating table; 2. load-bearing plate; 3. bracket; 4. support rod; 5. sample plate; 6. mounting plate; 7. mounting frame; 8. hydraulic cylinder; 9. oil inlet pipe; 10. pressure control valve; 11. pressure contact block; 12. comparison ruler; 13. scale line; 14. instrument; 15. protective cover; 16. support foot; 17. anti-slip pad; 18. through hole. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Examples of the embodiments are shown in the drawings, where the same or similar reference numerals throughout represent the same or similar elements or elements with the same or similar functions. The embodiments described below with reference to the drawings are exemplary and are only used to explain the present application, and cannot be understood as limitations on the present application. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0021] In the description of this application, it should be noted that, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", and "set" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0022] See also Figure 1-4 The utility model provides a technical solution: a circuit board bending performance detection device, comprising an operating table 1, two load-bearing plates 2 are welded in the middle of the upper surface of the operating table 1, a bracket 3 is fixedly connected to the upper surface of the load-bearing plate 2, a support rod 4 is fixedly connected to the upper surface of the bracket 3, and the upper surfaces of the two support rods 4 are in active contact with the same sample plate 5, two mounting plates 6 are symmetrically welded on the upper surface of the operating table 1, the upper surfaces of the two mounting plates 6 are fixedly connected to the same mounting frame 7, the upper surface of the mounting frame 7 is fixedly connected to a hydraulic cylinder 8, the upper surface of the hydraulic cylinder 8 is connected to an oil inlet pipe 9, and a pressure control valve is fixedly installed on the outer wall of the oil inlet pipe 9 10. One end of the piston rod of the hydraulic cylinder 8 is fixedly connected with a pressure contact block 11, and the rear side of the upper surface of the operating table 1 is fixedly connected with a comparison ruler 12; the sample plate 5 to be tested is placed on the upper surface of the two support rods 4, and the extended length of the hydraulic cylinder 8 is adjusted to make the pressure contact block 11 touch the upper surface of the sample plate 5, and the pressure value controlled by the pressure control valve 10 and the horizontal position of the lower surface of the sample plate 5 displayed by the comparison ruler 12 are recorded. As the pressure increases, the sample plate 5 is deformed, and the horizontal position of the lower surface of the sample plate 5 also changes. By continuously adjusting the hydraulic cylinder 8 and recording multiple data, the relationship between the pressure acting on the surface of the sample plate 5 and the deformation of the sample plate 5 is finally obtained.

[0023] In this embodiment, specifically: the upper surface of the support rod 4 is an arc surface, and the lower surface of the pressure contact block 11 is an arc surface.

[0024] In this embodiment, specifically: the front surface of the comparison ruler 12 is provided with scale lines 13 .

[0025] In this embodiment, specifically: a meter 14 is installed on the right surface of the pressure control valve 10 to facilitate recording the pressure value controlled by the pressure control valve 10 .

[0026] In this embodiment, specifically: a protective cover 15 is fixedly connected to the front side of the upper surface of the operating table 1 to prevent the broken fragments of the sample plate 5 from causing injuries to people.

[0027] In this embodiment, specifically: the lower surface of the operating table 1 is evenly welded with supporting legs 16 for supporting the device.

[0028] In this embodiment, specifically: the lower surface of the support foot 16 is fixedly connected with an anti-slip pad 17 , which increases the friction between the support foot 16 and the ground.

[0029] In this embodiment, specifically: a through hole 18 is opened on the outer wall of the mounting frame 7, and one end of the piston rod of the hydraulic cylinder 8 passes through the through hole 18, so that the piston rod of the hydraulic cylinder 8 can pass through the mounting frame 7.

[0030] The working principle of the utility model is: placing the sample plate 5 to be tested on the upper surface of the two support rods 4, adjusting the extended length of the hydraulic cylinder 8 so that the pressure contact block 11 touches the upper surface of the sample plate 5, recording the pressure value controlled by the pressure control valve 10 and the horizontal position of the lower surface of the sample plate 5 displayed by the comparison ruler 12, as the pressure increases, the sample plate 5 is deformed, and the horizontal position of the lower surface of the sample plate 5 also changes, by constantly adjusting the hydraulic cylinder 8 and recording multiple data, finally the relationship between the pressure acting on the surface of the sample plate 5 and the deformation of the sample plate 5 is obtained, thereby forming a circuit board bending performance detection device, which does not require high operating experience for workers, can control the force acting on the surface of the circuit board, improves the efficiency of the bending test, and has a relatively small workload for workers and is more practical.

[0031] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A circuit board bending performance detection device, comprising an operating table (1), characterized in that: Two load-bearing plates (2) are welded in the middle of the upper surface of the operating table (1), the upper surface of the load-bearing plate (2) is fixedly connected to a bracket (3), the upper surface of the bracket (3) is fixedly connected to a support rod (4), the upper surfaces of the two support rods (4) are movably in contact with the same sample plate (5), two mounting plates (6) are symmetrically welded on the upper surface of the operating table (1), the upper surfaces of the two mounting plates (6) are fixedly connected to the same mounting frame (7), the upper surface of the mounting frame (7) is fixedly connected to a hydraulic cylinder (8), the upper surface of the hydraulic cylinder (8) is connected to an oil inlet pipe (9), the outer side wall of the oil inlet pipe (9) is fixedly installed with a pressure control valve (10), one end of the piston rod of the hydraulic cylinder (8) is fixedly connected to a pressure contact block (11), and the rear side of the upper surface of the operating table (1) is fixedly connected to a comparison ruler (12).

2. The circuit board bending performance detection device according to claim 1, characterized in that: The upper surface of the support rod (4) is an arc surface, and the lower surface of the pressure contact block (11) is an arc surface.

3. The circuit board bending performance detection device according to claim 2, characterized in that: The front surface of the comparison ruler (12) is provided with scale lines (13).

4. The circuit board bending performance detection device according to claim 2, characterized in that: A meter (14) is installed on the right surface of the pressure control valve (10).

5. The circuit board bending performance detection device according to claim 2, characterized in that: A protective cover (15) is fixedly connected to the front side of the upper surface of the operating table (1).

6. The circuit board bending performance detection device according to claim 2, characterized in that: The lower surface of the operating table (1) is evenly welded with supporting legs (16).

7. The circuit board bending performance detection device according to claim 6, characterized in that: The lower surface of the support foot (16) is fixedly connected with an anti-slip pad (17).

8. The circuit board bending performance detection device according to claim 6, characterized in that: A through hole (18) is provided on the outer side wall of the mounting frame (7), and one end of the piston rod of the hydraulic cylinder (8) passes through the through hole (18).

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