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CN-120692783-B - Flexible circuit board pressing device for unmanned driving

CN120692783BCN 120692783 BCN120692783 BCN 120692783BCN-120692783-B

Abstract

The invention relates to the field of flexible circuit board production, in particular to a flexible circuit board laminating device for unmanned operation, which comprises a main pressing table and an auxiliary pressing table, wherein the main pressing table comprises a base, a flexible layer, an upper pressing plate and a hydraulic cylinder, the base is provided with a sliding column at the corner, the surface of the sliding column is connected with the flexible layer and the upper pressing plate in a sliding manner, the upper pressing plate is positioned above the flexible layer, the hydraulic cylinder is arranged at the top of the upper pressing plate, the surfaces of the base and the auxiliary pressing plate are connected with connecting strips in a sliding manner, a multi-layer separated lamination manner is adopted, each layer can be uniformly heated, the condition that heat cannot be transferred to an intermediate layer when the multi-layer is simultaneously pressed is avoided, the multi-layer separation is adopted, the discharge of gas is facilitated, most of bubbles remaining in a sandwich layer can be discharged out of the circuit board through the central area of the flexible layer, the uniform pressing is realized, and the exhaust is more convenient.

Inventors

  • Zhang Shuaibiao
  • YIN SHIAN

Assignees

  • 南京朗禾智能控制研究院有限公司

Dates

Publication Date
20260508
Application Date
20250623

Claims (5)

  1. 1. The utility model provides a flexible circuit board closing device for unmanned, a serial communication port, including main press bench (1) and vice press bench (3), main press bench (1) include base (101), flexible layer (103), top board (104), pneumatic cylinder (105), base (101) turning is provided with the slip post, slip post surface sliding connection has flexible layer (103) and top board (104), top board (104) are located the top of flexible layer (103), top board (104) top is provided with pneumatic cylinder (105), base (101) and vice press bench (3) surface sliding connection have connecting strip (2), connecting strip (2) surface is provided with spacing ring (201); In the three-layer main pressing table (1), the diameter of the limiting rings (201) of each layer is sequentially reduced from bottom to top, and the limiting rings (201) between two adjacent layers can be mutually sleeved; A winding roller (4) is arranged on one side of the auxiliary pressing table (3) far away from the main pressing table (1), the winding roller (4) can wind the connecting strip (2) on each layer of the main pressing table (1), a positioning column (301) is arranged in a connecting groove on the surface of the auxiliary pressing table (3), and the height of the positioning column (301) is lower than that of the limiting ring (201); the flexible layer (103) comprises a straight plate (1031), a hinge (1032) and a limit ball (1033), wherein two sides of the hinge (1032) are fixedly connected with the limit ball (1033), and the periphery of the straight plate (1031) is in sliding connection with the limit ball (1033) through a slot.
  2. 2. The flexible circuit board pressing device for unmanned aerial vehicles according to claim 1, wherein the main pressing table (1) further comprises a concave layer (102), the concave layer (102) is arranged on the upper surface of the base (101), the upper surface of the auxiliary pressing table (3) is provided with a connecting groove with the same width and depth as the concave layer (102), and the connecting strip (2) is in sliding connection with the connecting groove and the concave layer (102).
  3. 3. The flexible circuit board compressing apparatus for unmanned aerial vehicles according to claim 1, wherein the main press (1) is sequentially stacked at least two layers upwards, the lower hydraulic cylinder (105) is connected with the bottom of the upper base (101), and each layer of main press (1) is individually matched with a corresponding connecting strip (2).
  4. 4. The flexible circuit board pressing device for unmanned aerial vehicle according to claim 2, wherein the surface of the concave layer (102) is further provided with a limiting column (106), the bottom of the limiting column (106) is provided with a hydraulic lifting structure connected with the limiting column, the outer wall of the limiting column (106) and the limiting ring (201) form sliding connection, and holes corresponding to the limiting ring (201) and the limiting column (106) are formed in the surfaces of the flexible layer (103) and the upper pressing plate (104).
  5. 5. The flexible circuit board compressing apparatus for unmanned aerial vehicle according to claim 1, wherein the main compressing table (1) further comprises a spring rod (107) located on the upper surface of the upper compressing plate (104), and the telescopic end of the spring rod (107) penetrates through the upper compressing plate (104) and is connected with the center of the flexible layer (103).

Description

Flexible circuit board pressing device for unmanned driving Technical Field The invention relates to the field of flexible circuit board production, in particular to a flexible circuit board pressing device for unmanned operation. Background The circuit board plays a role in carrying and communicating in a circuit, the inside of the circuit board can be divided into two layers to five layers, the lengths of different circuits in the circuit board can control the reaching time of different signals, and meanwhile, the circuit board is also responsible for signal transmission between chips; In order to produce the multilayer circuit board, a pressing mode is needed, the prepreg is pressed between the two layers of circuit boards, the prepreg is melted in a heating mode, the two layers of circuit boards are bonded, and pressure is continuously applied in the process, so that the semi-cured layer is fully contacted with the tiny rough surface of the circuit board. However, at present, the requirement of the number of layers is continuously improved, and all layers are pressed at one time, so that the process is convenient and quick, the production time is saved, but the temperature of the outer layer is difficult to transfer to the central area of the pressed circuit board during pressing, the temperature difference between the inside and the outside is caused, the outside temperature is seemingly reached, the inside semi-cured layer does not flow completely, the bonding effect between the layers is reduced, and further, when the circuit board is used, if the layers are bent, the layers are separated from each other, and the flexible circuit board also generates bubble problems due to the temperature difference, so that the bulge bubbles appear in the circuit board after production. To this end, a flexible circuit board compressing apparatus for unmanned driving is designed by those skilled in the art to solve the above-mentioned problems. Disclosure of Invention Aiming at the technical defects, the invention aims to provide the flexible circuit board pressing device for unmanned driving, which can be suitable for mesh welding with different pitches. In order to achieve the purpose, the hydraulic control device comprises a main pressing table and an auxiliary pressing table, wherein the main pressing table comprises a base, a flexible layer, an upper pressing plate and a hydraulic cylinder, a sliding column is arranged at the corner of the base, the surface of the sliding column is connected with the flexible layer and the upper pressing plate in a sliding manner, the upper pressing plate is located above the flexible layer, the hydraulic cylinder is arranged at the top of the upper pressing plate, connecting strips are connected to the surfaces of the base and the auxiliary pressing table in a sliding manner, and limiting rings are arranged on the surfaces of the connecting strips. Preferably, the main pressing table further comprises a concave layer, the concave layer is arranged on the upper surface of the base, the upper surface of the auxiliary pressing table is provided with connecting grooves with the same width and depth as the concave layer, and the connecting strips, the connecting grooves and the concave layer form sliding connection. Preferably, the main press bench is sequentially overlapped with at least two layers, the hydraulic cylinder below is connected with the bottom of the base above, and each layer of main press bench is independently matched with a corresponding connecting strip. Preferably, in the three-layer main pressing table, the diameter of the limiting ring of each layer is sequentially reduced from bottom to top, and the limiting rings between two adjacent layers can be sleeved with each other. Preferably, one side of the auxiliary pressing platform far away from the main pressing platform is provided with a winding roller, the winding roller can wind the connecting strip on each layer of main pressing platform, a positioning column is arranged in a connecting groove on the surface of the auxiliary pressing platform, and the height of the positioning column is lower than that of the limiting ring. Preferably, the surface of the concave layer is also provided with a limit column, the bottom of the limit column is provided with a hydraulic lifting structure connected with the limit column, the outer wall of the limit column and the limit ring form sliding connection, and the surfaces of the flexible layer and the upper pressing plate are provided with holes corresponding to the limit ring and the limit column. Preferably, the main pressing table further comprises a spring rod positioned on the upper surface of the upper pressing plate, and the telescopic end of the spring rod penetrates through the upper pressing plate and is connected with the center of the flexible layer. Preferably, the flexible layer comprises a straight plate, a hinge piece and a limiting ball, wherein two sides