Flexible circuit board fixing device

Abstract

The utility model relates to the technical field of circuit board processing, in particular to a flexible circuit board fixing device. A positioning jig is slidably arranged on a fixing plate, a containing groove for containing a circuit board is formed in the positioning jig, a plurality of adsorption holes are formed in the bottom face of the containing groove, an air valve assembly communicated with the adsorption holes is arranged on one side of the positioning jig, and the air valve assembly is connected to external air exhaust equipment, so that after the flexible circuit board is placed in the containing groove, the flexible circuit board is placed in the containing groove. The adsorption holes are controlled to adsorb the flexible circuit board through the air valve assembly, so that the problem that the flexible circuit board is damaged due to a pressing block pressing mode in the prior art is avoided. Meanwhile, a driving assembly is arranged at one end of the positioning jig, and the end, away from the driving assembly, of the positioning jig is elastically connected with an abutting assembly. The positioning jig is driven by the driving assembly to slide on the fixing plate, so that the position of the flexible circuit board is adjusted, and the flexible circuit board can be conveniently welded and detected at a welding station and a detection station subsequently.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of circuit board processing, in particular to a flexible circuit board fixing device. BACKGROUND

[0002] The flexible circuit board is a kind of flexible printed circuit board with high reliability, which is made of polyimide or polyester film as base material. It is also called soft circuit board and flexible circuit board, and is favored because of its light weight, thin thickness and free bending and other excellent characteristics. It has the characteristics of high wiring density, light weight, thin thickness and good bending property. In the production of flexible circuit board, components are mounted on the mounting process of flexible circuit board, and the detection process of flexible circuit board is detected. In the mounting process and detection process, the flexible circuit board needs to be fixed. The existing positioning jig usually uses screws and pressing blocks to press the flexible circuit board. Because the base material of the flexible circuit board is polyimide or polyester film, the flexible circuit board will be damaged when pressed by screws and pressing blocks. CONTENT OF THE UTILITY MODEL

[0003] In order to solve the above technical problems, the present application provides a flexible circuit board fixing device, which comprises a fixing plate and a positioning jig slidably arranged on the fixing plate. The positioning jig is provided with a containing groove for placing the circuit board. A plurality of suction holes are formed in the bottom surface of the containing groove. A gas valve assembly is arranged on one side of the positioning jig and communicated with the suction holes. A driving assembly is arranged at one end of the positioning jig. An abutting assembly is elastically connected to the end of the positioning jig away from the driving assembly.

[0004] Preferably, a first gas connector communicated with the suction holes is arranged on the side surface of the positioning jig. The gas valve assembly is provided with a second gas connector. The first gas connector is connected to the second gas connector through a gas pipe.

[0005] Preferably, the positioning jig is provided with an empty slot on both sides of the containing groove.

[0006] Preferably, the abutting assembly comprises a mounting block and a movable rod movably arranged in the mounting block. One end of the movable rod is connected to the positioning jig. An elastic member is sleeved on the outer periphery of the movable rod.

[0007] Preferably, the driving assembly comprises a support seat arranged on the fixing plate. A screw rod is threadedly connected to the support seat. A knob boss is arranged at the end of the screw rod.

[0008] Preferably, the support seat is detachably connected to the fixing plate by a locking member.

[0009] Preferably, the positioning jig is provided with a guide block on the side away from the air valve assembly, and the mounting block is provided with a guide rod movably arranged in the guide block.

[0010] Preferably, the fixing plate is provided with a sliding groove, and the positioning jig is provided with a sliding block slidingly arranged in the sliding groove.

[0011] As can be seen from the above, the application has the following beneficial effects: the positioning jig is slidingly arranged on the fixing plate, the positioning jig is provided with a containing groove for placing the flexible circuit board, a plurality of adsorption holes are arranged on the bottom surface of the containing groove, the air valve assembly is arranged on one side of the positioning jig and is communicated with the adsorption holes, the air valve assembly is connected to the external air extraction device, and then the flexible circuit board is placed in the containing groove, the adsorption holes are controlled by the air valve assembly to adsorb the flexible circuit board, thereby avoiding the problem of damaging the flexible circuit board caused by the existing pressing block pressing method. Meanwhile, the driving assembly is arranged at one end of the positioning jig, and the abutting assembly is elastically connected to the end of the positioning jig away from the driving assembly. The driving assembly drives the positioning jig to slide on the fixing plate, thereby adjusting the position of the flexible circuit board, facilitating subsequent welding and detection of the flexible circuit board at the welding station and the detection station. BRIEF DESCRIPTION OF DRAWINGS

[0012] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the description of the embodiments of the present application or the prior art. Obviously, the drawings in the following description are only part of the embodiments of the present application, and for those skilled in the art, other drawings can be obtained without creative labor on the basis of these drawings.

[0013] Figure 1 The schematic diagram of the flexible circuit board fixing device in the embodiments of the present application. DETAILED DESCRIPTION

[0014] The technical solutions in the embodiments of the present application will be described clearly and completely in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.

[0015] EMBODIMENT

[0016] In order to solve the above technical problems, the present embodiment provides a flexible circuit board fixing device, which comprises a fixing plate, a positioning jig slidingly arranged on the fixing plate, a containing groove arranged on the positioning jig for placing the flexible circuit board, a plurality of adsorption holes arranged on the bottom surface of the containing groove, an air valve assembly arranged on one side of the positioning jig and communicated with the adsorption holes, and an external air extraction device connected to the air valve assembly. Figure 1As shown, it comprises a fixed plate 10, and a positioning jig 20 slidingly arranged on the fixed plate 10, the positioning jig 20 is provided with a containing groove 21 for placing the circuit board, a plurality of adsorption holes 22 are arranged on the bottom surface of the containing groove 21, a gas valve assembly 30 is arranged on one side of the positioning jig 20 and communicated with the adsorption holes 22, the gas valve assembly 30 is connected to an external air extraction device, and then the flexible circuit board is placed in the containing groove 21, the adsorption holes 22 are controlled by the gas valve assembly 30 to adsorb the flexible circuit board, thereby avoiding the problem of damaging the flexible circuit board caused by the existing pressing block pressing mode. Meanwhile, a driving assembly 50 is arranged at one end of the positioning jig 20, and an abutting assembly 40 is elastically connected to the end of the positioning jig 20 away from the driving assembly 50. The positioning jig 20 is driven to slide on the fixed plate 10 by the driving assembly 50, thereby adjusting the position of the flexible circuit board, facilitating subsequent welding and detection of the flexible circuit board in the welding station and the detection station.

[0017] Specifically, the first gas joint 23 communicated with the adsorption holes 22 is arranged on the side surface of the positioning jig 20, the gas valve assembly 30 is provided with a second gas joint 31, and the first gas joint 23 is connected to the second gas joint 31 through a gas pipe. Illustratively, the gas valve assembly 30 can be a gas valve, the gas valve assembly 30 is connected to an external air extraction device, and then the adsorption holes 22 are adsorbed or released by controlling the gas valve assembly 30 to open and close, so as to fix the flexible circuit board in the containing groove 21, thereby facilitating subsequent welding and detection processing.

[0018] Further, the positioning jig 20 is provided with an empty slot 24 on both sides of the containing groove 21, thereby facilitating the placement of the flexible circuit board in the containing groove 21 or the removal of the flexible circuit board from the containing groove 21.

[0019] Further, the driving assembly 50 comprises a support seat 51 arranged on the fixed plate 10, the support seat 51 is threadedly connected with a screw rod 52, the end of the screw rod 52 is provided with a knob boss 53, thereby rotating the knob boss 53 to make the screw rod 52 rotate, the screw rod 52 is threadedly connected with the support seat 51, thereby making the screw rod 52 move back and forth on the support seat 51, the positioning jig 20 is pushed by the end of the screw rod 52 to move on the fixed plate 10, thereby adjusting the position of the positioning jig 20, facilitating subsequent welding and detection of the flexible circuit board in the welding station and the detection station.

[0020] Further, in the above scheme, the abutting assembly 40 comprises a mounting block 41 and a moving rod 42 movably arranged in the mounting block 41, one end of the moving rod 42 is fixedly connected to the positioning jig 20, and an elastic member 43 is sleeved on the outer periphery of the moving rod 42, thereby making the positioning jig 20 always abut against the end of the screw rod 52 by the elastic force of the elastic member 43, thereby making the positioning jig 20 move back and forth with the screw rod 52.

[0021] Wherein, the fixed plate 10 is provided with a sliding groove 11, and the positioning jig 20 is provided with a sliding block matched with the sliding groove 11. Further, the positioning jig 20 can be slidably arranged on the fixed plate 10, so that the position of the positioning jig 20 is adjustable, facilitating subsequent production. Further, the positioning jig 20 is provided with a guide block 62 away from the air valve assembly 30, and the mounting block 41 is provided with a guide rod 61 movably arranged in the guide block 62. Through the guide rod 61 and the guide block 62, the positioning jig 20 is stably moved on the fixed plate 10, ensuring that it will not deviate to both sides, improving the position accuracy.

[0022] In the above scheme, the support seat 51 is detachably connected to the fixed plate 10 by the locking piece. The support seat 51 plays a role in limiting the positioning jig 20. At the same time, by detaching the support seat 51, the positioning jig 20 can be moved out of the fixed plate 10 along the sliding groove 11, thereby realizing the disassembly of the positioning jig 20, and then the corresponding positioning jig 20 can be replaced according to different models of flexible circuit boards, improving compatibility and reducing cost.

[0023] In summary, the positioning jig is slidably arranged on the fixed plate, the positioning jig is provided with a containing groove for placing the circuit board, a plurality of adsorption holes are formed in the bottom surface of the containing groove, an air valve assembly is arranged on one side of the positioning jig and communicated with the adsorption holes, and the air valve assembly is connected to an external air extraction device. Then, after the flexible circuit board is placed in the containing groove, the adsorption holes are controlled by the air valve assembly to adsorb the flexible circuit board, thereby avoiding the problem of damaging the flexible circuit board caused by the existing pressing block pressing method. At the same time, a driving assembly is arranged at one end of the positioning jig, and an abutting assembly is elastically connected to the end of the positioning jig away from the driving assembly. The driving assembly drives the positioning jig to slide on the fixed plate, thereby adjusting the position of the flexible circuit board, facilitating subsequent welding and detection of the flexible circuit board at the welding station and the detection station.

[0024] The above-described embodiments do not constitute a limitation on the scope of protection of the technical solution. Any modifications, equivalent replacements and improvements made within the spirit and principles of the above-described embodiments shall be included in the scope of protection of the technical solution.

Claims

1. A flexible circuit board holding device, characterized by: The utility model provides a circuit board positioning device, including fixed plate (10), and the positioning fixture (20) of sliding setting in fixed plate (10), the positioning fixture (20) is set with the accommodation groove (21) of placing circuit board, is set with a plurality of adsorption holes (22) in the accommodation groove (21) bottom surface, is provided with the gas valve assembly (30) of intercommunication in adsorption hole (22) in the positioning fixture (20) one side, is provided with the drive assembly (50) in the positioning fixture (20) one end, the positioning fixture (20) is elastically connected with the abutment assembly (40) in the one end away from drive assembly (50).

2. The flexible circuit board fixture of claim 1, wherein: The positioning fixture (20) side is provided with the first gas joint (23) of intercommunication in the adsorption hole (22), the gas valve assembly (30) is provided with the second gas joint (31), the first gas joint (23) is connected in the second gas joint (31) through the trachea.

3. The flexible circuit board fixture of claim 2, wherein: The positioning fixture (20) is set with the avoidance slot (24) in the both sides of accommodation groove (21).

4. The flexible circuit board fixture of claim 1, wherein: The abutment assembly (40) includes mounting block (41) and mobile rod (42) of being set in the mounting block (41), one end of mobile rod (42) is connected to the positioning fixture (20), and elastic member (43) is sleeved on the outer periphery of mobile rod (42).

5. The flexible circuit board fixture of claim 1, wherein: The drive assembly (50) includes the support seat (51) set on the fixed plate (10), the support seat (51) is screw connected with screw rod (52), and the end of screw rod (52) is provided with knob boss (53).

6. The flexible circuit board securing apparatus of claim 5, wherein: The support seat (51) is detachably connected to the fixed plate (10) by locking member.

7. The flexible circuit board securing apparatus of claim 4, wherein: The positioning fixture (20) is provided with a guide block (62) away from the gas valve assembly (30) on one side, and the mounting block (41) is provided with a guide rod (61) movably penetrating the guide block (62).

8. The flexible circuit board fixture of claim 5, wherein: The fixed plate (10) is provided with a sliding groove (11), and the bottom of the positioning fixture (20) is provided with a sliding block slidingly fitted in the sliding groove (11).

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