PCB (printed circuit board) pressing structure

Abstract

The utility model discloses a PCB (printed circuit board) pressing structure, which relates to the technical field of PCB pressing and comprises a working table, support columns are symmetrically and fixedly mounted at four corners of the lower end of the working table, support columns are symmetrically mounted at four corners of the upper end of the working table, a top plate is mounted at the tops of the support columns, and a pressing mechanism is mounted at the lower end of the top plate. Under the cooperation of the hydraulic cylinder, the connecting seat, the movable plate, the first sliding sleeve, the second sliding sleeve, the guide rod, the limiting plate, the mounting plate, the spring, the pressing plate and the pressing pad, the pressing plate can be driven to move up and down through the movable plate by means of the hydraulic cylinder, so that a PCB can be pressed, meanwhile, the arranged spring can continuously deform to drive the pressing plate to carry out secondary pressing, and the working efficiency is improved. The PCB is pressed and held by the pressing plate, so that the PCB is always kept stable in the testing process, the testing stability is greatly improved, and the testing effect is relatively good.

Description

Technical Field

[0001] The utility model relates to the technical field of PCB board pressing, in particular to a PCB board pressing structure. Background Art

[0002] The names of circuit boards include: ceramic circuit boards, alumina ceramic circuit boards, aluminum nitride ceramic circuit boards, circuit boards, PCB boards, aluminum substrates, high-frequency boards, thick copper boards, impedance boards, PCB ultra-thin circuit boards, printed circuit boards, etc. Circuit boards miniaturize and visualize circuits, and play an important role in the mass production of fixed circuits and the optimization of electrical appliance layouts.

[0003] Circuit board can be called printed circuit board or printed circuit board, and its English name is FPC circuit board. Therefore, the soft-rigid combination board is a circuit board with FPC characteristics and PCB characteristics formed by combining the flexible circuit board and the rigid circuit board through lamination and other processes according to relevant process requirements.

[0004] Circuit boards can be divided into three categories according to the number of layers: single-sided boards, double-sided boards, and multi-layer circuit boards.

[0005] After the PCB board is manufactured, it is necessary to test the voltage or current and other data of the PCB board to determine whether it meets the manufacturing requirements. During the test, a clamping structure is required to facilitate the inspection of the PCB board.

[0006] The existing technology has the following problems:

[0007] In actual use, the existing device cannot compress the PCB well, so that the surface of the PCB is easily indented, and the force applied by the pressure plate to the PCB is not uniform, which reduces the practicality of the device. Utility Model Content

[0008] In order to solve the above technical problems, the technical solution adopted by the utility model is:

[0009] A PCB board clamping structure comprises a workbench, wherein pillars are symmetrically fixedly installed at the four corners of the lower end of the workbench, support columns are symmetrically installed at the four corners of the upper end of the workbench, a top plate is installed on the top of the support column, and a clamping mechanism is installed at the lower end of the top plate.

[0010] Preferably: the clamping mechanism includes a hydraulic cylinder, the lower end of the hydraulic cylinder is fixedly connected to the middle of the upper end of the top plate, the output end of the hydraulic cylinder is fixedly installed with a connecting seat, the lower end of the connecting seat is installed with a movable plate, the four corners of the movable plate are symmetrically fixedly installed with a sliding sleeve 1, the left and right ends of the movable plate are symmetrically fixedly installed with a sliding sleeve 2, the inside of the sliding sleeve 2 is slidably connected with a guide rod, the top of the guide rod is installed with a limiting plate, the lower end of the guide rod is fixedly installed with a mounting plate, the lower end of the guide rod is externally sleeved with a spring, the lower end of the mounting plate is fixedly installed with a pressure plate, and the middle of the lower end of the pressure plate is fixedly installed with a pressure pad.

[0011] Preferably, the lower end of the connecting seat is fixedly connected to the middle of the upper end of the movable plate.

[0012] Preferably, the top of the guide rod is fixedly connected to the lower end of the limiting plate.

[0013] Preferably, one end of the spring is fixedly connected to the left and right sides of the lower end of the movable plate, and the other end of the spring is fixedly connected to the upper end of the mounting plate.

[0014] Preferably, the four upper corners of the workbench are fixedly connected to the lower ends of the support columns.

[0015] Preferably, the top of the support column is fixedly connected to the four corners of the lower end of the top plate.

[0016] Preferably, the outside of the support column is slidably connected to the inside of the first sliding sleeve.

[0017] Due to the adoption of the above technical solution, the utility model has achieved the following technical progress compared with the prior art:

[0018] 1. The utility model provides a PCB board clamping structure. Through the clamping mechanism, the hydraulic cylinder, the connecting seat, the movable plate, the sliding sleeve 1, the sliding sleeve 2, the guide rod, the limit plate, the mounting plate, the spring, the pressing plate and the pressing pad cooperate, and the hydraulic cylinder can drive the pressing plate to move up and down through the movable plate, so that the PCB board can be clamped. At the same time, the spring provided can continuously deform to drive the pressing plate to perform secondary clamping, so that the pressing plate presses and holds the PCB board, ensuring that the PCB board always remains stable during the test process, greatly improving the test stability, and having a good test effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a structural schematic diagram of the PCB board pressing structure of the utility model;

[0020] Figure 2 This is a structural schematic diagram of a front view of a PCB board pressing structure of the utility model;

[0021] Figure 3 It is a structural schematic diagram of the clamping mechanism of the utility model;

[0022] Figure 4 It is a structural schematic diagram of the details of the clamping mechanism of the utility model.

[0023] In the figure: 1. workbench; 2. pillar; 3. support column; 4. top plate; 5. clamping mechanism; 51. hydraulic cylinder; 52. connecting seat; 53. movable plate; 54. sliding sleeve 1; 55. sliding sleeve 2; 56. guide rod; 57. limit plate; 58. mounting plate; 59. spring; 510. pressure plate; 511. pressure pad. DETAILED DESCRIPTION

[0024] The present invention is further described in detail below in conjunction with the embodiments:

[0025] like Figure 1-4 As shown, the utility model provides a PCB board clamping structure, including a workbench 1, pillars 2 are symmetrically fixedly installed at the four corners of the lower end of the workbench 1, support columns 3 are symmetrically installed at the four corners of the upper end of the workbench 1, a top plate 4 is installed on the top of the support column 3, and a clamping mechanism 5 is installed at the lower end of the top plate 4.

[0026] The four upper corners of the workbench 1 are fixedly connected to the lower ends of the support columns 3 .

[0027] The top of the support column 3 is fixedly connected to the four corners of the lower end of the top plate 4.

[0028] The outside of the support column 3 is slidably connected to the inside of the sliding sleeve 54 .

[0029] Through the clamping mechanism 5, the hydraulic cylinder 51 can drive the pressing plate 510 to move up and down through the movable plate 53, so that the PCB board can be clamped. At the same time, the spring 59 can continuously deform to drive the pressing plate 510 to perform secondary clamping, so that the pressing plate 510 can hold the PCB board, ensuring that the PCB board always remains stable during the test process, greatly improving the test stability, and achieving better test results.

[0030] like Figure 2-4 As shown, the clamping mechanism 5 includes a hydraulic cylinder 51, the lower end of the hydraulic cylinder 51 is fixedly connected to the middle of the upper end of the top plate 4, the output end of the hydraulic cylinder 51 is fixedly installed with a connecting seat 52, the lower end of the connecting seat 52 is installed with a movable plate 53, the four corners of the movable plate 53 are symmetrically fixedly installed with a sliding sleeve 1 54, the left and right ends of the movable plate 53 are symmetrically fixedly installed with a sliding sleeve 2 55, the inside of the sliding sleeve 2 55 is slidably connected with a guide rod 56, the top of the guide rod 56 is installed with a limiting plate 57, the lower end of the guide rod 56 is fixedly installed with a mounting plate 58, the lower end of the guide rod 56 is externally sleeved with a spring 59, the lower end of the mounting plate 58 is fixedly installed with a pressing plate 510, and the lower end of the pressing plate 510 is fixedly installed with a pressure pad 511 in the middle of the lower end.

[0031] The lower end of the connecting seat 52 is fixedly connected to the middle of the upper end of the movable plate 53 .

[0032] The top of the guide rod 56 is fixedly connected to the lower end of the limiting plate 57 .

[0033] One end of the spring 59 is fixedly connected to the left and right sides of the lower end of the movable plate 53 , and the other end of the spring 59 is fixedly connected to the upper end of the mounting plate 58 .

[0034] The movable plate 53 can drive the sliding sleeve 54 to slide synchronously on the support column 3, thereby improving the stability of the movable plate 53 moving up and down. At the same time, the pressure pad 511 can protect the PCB board to prevent the PCB board from being damaged.

[0035] The following is a detailed description of the working principle of the PCB board clamping structure.

[0036] like Figure 1-4 As shown, when the PCB board clamping structure is in use, the hydraulic cylinder 51 can be started, so that the hydraulic cylinder 51 pushes the movable plate 53 to move up and down on the support column 3, so that the movable plate 53 drives the pressing plate 510 to move synchronously, and then the PCB board can be clamped. When the pressing plate 510 clamps the PCB board, the spring 59 can continuously deform to drive the pressing plate 510 to perform secondary clamping, so that the pressing plate 510 holds the PCB board, ensuring that the PCB board always remains stable during the detection process, greatly improving the detection stability, and achieving better test results.

[0037] The above generally describes the present invention in detail, but it is obvious to a person skilled in the art that some modifications or improvements can be made to the present invention. Therefore, modifications or improvements that do not deviate from the spirit of the present invention are within the scope of protection of the present invention.

Claims

1. A PCB board pressing structure, comprising a workbench (1), wherein four corners of the lower end of the workbench (1) are symmetrically fixed with pillars (2), characterized in that: Support columns (3) are symmetrically installed at the four corners of the upper end of the workbench (1), a top plate (4) is installed on the top of the support column (3), and a clamping mechanism (5) is installed at the lower end of the top plate (4); The clamping mechanism (5) comprises a hydraulic cylinder (51), the lower end of the hydraulic cylinder (51) is fixedly connected to the middle of the upper end of the top plate (4), the output end of the hydraulic cylinder (51) is fixedly mounted with a connecting seat (52), the lower end of the connecting seat (52) is mounted with a movable plate (53), the four corners of the movable plate (53) are symmetrically fixedly mounted with a first sliding sleeve (54), the left and right ends of the movable plate (53) are symmetrically fixedly mounted with a second sliding sleeve (55), the interior of the second sliding sleeve (55) is slidably connected with a guide rod (56), the top of the guide rod (56) is mounted with a limiting plate (57), the lower end of the guide rod (56) is fixedly mounted with a mounting plate (58), the lower end of the guide rod (56) is sleeved with a spring (59), the lower end of the mounting plate (58) is fixedly mounted with a pressing plate (510), and the lower end of the pressing plate (510) is fixedly mounted with a pressure pad (511) in the middle of the lower end.

2. A PCB board pressing structure according to claim 1, characterized in that: The lower end of the connecting seat (52) is fixedly connected to the middle of the upper end of the movable plate (53).

3. A PCB board pressing structure according to claim 2, characterized in that: The top of the guide rod (56) is fixedly connected to the lower end of the limiting plate (57).

4. A PCB board pressing structure according to claim 3, characterized in that: One end of the spring (59) is fixedly connected to the left and right sides of the lower end of the movable plate (53), and the other end is fixedly connected to the upper end of the mounting plate (58).

5. The PCB board pressing structure according to claim 1, characterized in that: The four upper corners of the workbench (1) are fixedly connected to the lower ends of the support columns (3).

6. The PCB board pressing structure according to claim 1, characterized in that: The top of the support column (3) is fixedly connected to the four corners of the lower end of the top plate (4).

7. The PCB board pressing structure according to claim 1, characterized in that: The outside of the support column (3) is slidably connected to the inside of the sliding sleeve (54).

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