Punching equipment for processing flexible circuit board
By introducing a combined design of pressing seat and punching head in the flexible circuit board hole punching equipment, the problems of circuit board deformation and burrs during the punching process are solved, efficient hole processing and stability are achieved, and production costs are reduced.
Patent Information
- Application Number
- CN202422161906.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-04
- Publication Date
- 2025-08-01
- Estimated Expiration
- 2034-09-04
AI Technical Summary
The existing flexible circuit board hole drilling equipment lacks effective support during the drilling process, resulting in circuit board deformation and many hole edge burrs, affecting circuit connection and signal transmission, and the hole edge polishing cannot be performed during drilling, increasing production costs and cycles.
A device including a pressing seat, a moving seat and a hole punching head is designed. The pressing seat supports the area around the drilling of the flexible circuit board. The moving seat drives the drilling head to move and polish it after the drilling. It combines the rotating board and the support wheel to level the circuit board to ensure the drilling stability and remove burrs.
Improves the stability and quality of hole punching, reduces circuit board deformation and burr generation, and reduces production costs and processing cycles.
Smart Images

Figure CN223173098U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of flexible printed circuit boards, and particularly to a punching device for processing flexible printed circuit boards. Background Art
[0002] The main purpose of punching a flexible printed circuit board is to drill the required holes in the copper clad laminate to achieve conduction between layers for electrical connection and fixing devices. The via hole is a crucial and indispensable part in the production of flexible printed circuit boards, which directly affects the performance and service life of the circuit board.
[0003] Due to the flexibility of its material, the flexible printed circuit board is extremely prone to deformation under the influence of mechanical force during the punching process. Existing punching devices often lack effective support for the area around the punching, resulting in cracks at the punching position or even cracking of the entire circuit board. After punching, there are often many burrs on the hole edge, which may have an adverse impact on subsequent circuit connection and signal transmission. Most punching devices are unable to polish the hole edge while punching, and additional processes are required to remove the burrs, increasing the production cost and processing cycle. Content of the Utility Model
[0004] To solve the above-mentioned problems, the utility model is realized through the following technical solutions:
[0005] A punching device for processing flexible printed circuit boards includes: a control base, which serves as the main structure of the device, provides a stable installation foundation for other components, facilitates the movement and positioning of the whole device, and improves the processing flexibility; a pressing base, installed on the control base and configured to be movable on the control base, the pressing base is used to press and support the area around the punching of the flexible printed circuit board to ensure stability during the punching process; a moving base, installed on the control base and connected to the pressing base, the moving base is configured to drive the pressing base to move when moving. After the pressing base presses the flexible printed circuit board, the moving base moves on the pressing base and is connected to the pressing base to achieve precise positioning and movement of the punching head; a punching head, connected to the moving base and used to punch the flexible printed circuit board.
[0006] The pressing base includes: a groove, opened on the pressing base, and the moving base is arranged in the groove; a through hole, opened on the inner wall of the groove.
[0007] The moving base includes: a second power source, installed on the moving base; a control rod, installed on the power shaft of the second power source, the punching head is installed on the control rod, and the control rod and the punching head are arranged in the through hole; an elastic member, with one end connected to the second power source and the other end connected to the bottom wall of the groove, the elastic member is used to provide support for the moving base. The combination of the second power source and the control rod enables the punching head to accurately perform the punching action, and the design of the elastic member provides necessary support and buffering for the moving base.
[0008] The punching head includes: a grinding member, which is installed on the punching head and is used for grinding after punching the flexible circuit board. The design of the grinding member enables the edges of the holes to be ground after punching, improving the quality of the holes, enhancing the punching accuracy and efficiency, and reducing the need for subsequent processing.
[0009] The pressing seat further includes: a plurality of connecting grooves, which are opened at the bottom of the pressing seat and are distributed in a circumferential array; a plurality of rotating plates, which are respectively installed in the plurality of connecting grooves, and the rotating plates are arranged to rotate in the connecting grooves; a plurality of supporting wheels, which are respectively installed on the plurality of rotating plates and are used to move along with the pressing seat and roll on the flexible circuit board to flatten the flexible circuit board. The groove design allows the moving seat to move inside it, realizing precise position adjustment. The combination of the rotating plates and the supporting wheels helps to flatten the flexible circuit board before punching, improving the punching quality.
[0010] The control seat includes: a first power source, which is installed on the control seat, and the power shaft of the first power source is connected to the moving seat; an auxiliary sleeve, which is arranged at the bottom of the control seat, and the pressing seat is connected to the auxiliary sleeve. The auxiliary sleeve is used to stabilize the position of the pressing seat. The first power source provides power for the moving seat to realize the automatic movement and positioning of the punching head. The auxiliary sleeve stabilizes the position of the pressing seat, ensuring the accuracy and stability during the punching process.
[0011] It further includes: a punching table, which is used to place the flexible circuit board, and the control seat is arranged on the punching table.
[0012] The punching table includes: a gantry slide module, which is installed on the punching table, and the control seat is installed on the gantry slide module. The design of the gantry slide module enables the control seat to perform precise position adjustment on the punching table, improving the adaptability and flexibility of the equipment.
[0013] The present utility model provides a punching device for processing flexible circuit boards. Compared with the prior art, it has the following beneficial effects:
[0014] 1. By pressing and supporting the area around the punched hole of the flexible circuit board with the pressing seat, the stability during the punching process is ensured, effectively reducing the deformation problem caused by mechanical force. The design of the rotating plates and supporting wheels on the pressing seat can flatten the flexible circuit board before punching, eliminating the unevenness on the surface of the circuit board and improving the punching quality.
[0015] 2. By the grinding member installed on the punching head, the edge of the hole can be ground after punching, reducing the generation of burrs, improving the quality of the hole, and at the same time reducing the subsequent process of removing burrs, lowering the production cost and processing cycle. Description of the Drawings
[0016] Figure 1 Schematic diagram of the three-dimensional structure proposed by the present utility model.
[0017] Figure 2 Schematic diagram of the structures of the control seat and the pressing seat proposed by the present utility model.
[0018] Figure 3 Schematic diagram of the cross-sectional structure of the control seat proposed by the present utility model.
[0019] Figure 4 Schematic diagram of the cross-sectional structures of the pressing seat and the moving seat proposed by the present utility model.
[0020] Figure 5 Schematic diagram of the cross-sectional structures of the pressing seat and the rotating plate proposed by the present utility model.
[0021] Figure 6 Schematic diagram of the structures of the punching head and the grinding member proposed by the present utility model.
[0022] The reference signs in the figure are as follows:
[0023] 1. Punching table;
[0024] 2. Gantry slide module;
[0025] 3. Control seat; 301. First power source; 302. Auxiliary sleeve;
[0026] 4. Pressing seat; 401. Groove; 402. Through hole; 403. Connecting groove; 404. Rotating plate; 405. Support wheel;
[0027] 5. Moving seat; 501. Second power source; 502. Punching head; 503. Elastic member; 504. Control rod; 505. Grinding member. Detailed implementation manners
[0028] The present utility model will be further described below in conjunction with specific embodiments. It should be understood that these embodiments are only used to illustrate the present utility model and not to limit the protection scope of the present utility model.
[0029] The following illustrates the implementation manners of the present utility model through specific specific examples. Those skilled in the art can easily understand other advantages and effects of the present utility model from the content disclosed in this specification. The present utility model can also be implemented or applied through other different specific implementation manners. Various details in this specification can also be modified or changed based on different viewpoints and applications without departing from the spirit of the present utility model.
[0030] Refer to Figures 1-6, A punching device for flexible circuit board processing, comprising: a control base 3, which facilitates the movement and positioning of the overall device and improves processing flexibility; a pressing base 4, installed on the control base 3 and configured to be movable on the control base 3. The pressing base 4 is used to press and support the area around the punched hole of the flexible circuit board to ensure stability during the punching process; a moving base 5, installed on the control base 3 and connected to the pressing base 4. The moving base 5 is configured to drive the pressing base 4 to move when moving. After the pressing base 4 presses the flexible circuit board, the moving base 5 moves on the pressing base 4; a punching head 502, connected to the moving base 5 and used to punch the flexible circuit board.
[0031] The pressing base 4 includes: a groove 401, opened on the pressing base 4, and the moving base 5 is arranged in the groove 401; a through hole 402, opened on the inner wall of the groove 401; a plurality of connecting grooves 403, opened at the bottom of the pressing base 4 and distributed in a circumferential array; a plurality of rotating plates 404, respectively installed in the plurality of connecting grooves 403, and the rotating plates 404 are configured to rotate in the connecting grooves 403; a plurality of supporting wheels 405, respectively installed on the plurality of rotating plates 404, used to move along with the pressing base 4 and roll on the flexible circuit board to flatten the flexible circuit board.
[0032] The moving base 5 includes: a second power source 501, installed on the moving base 5; a control rod 504, installed on the power shaft of the second power source 501, and the punching head 502 is installed on the control rod 504. The control rod 504 and the punching head 502 are arranged in the through hole 402; an elastic member 503, with one end connected to the second power source 501 and the other end connected to the bottom wall of the groove 401. The elastic member 503 is used to provide support for the moving base 5. The design of the elastic member 503 provides necessary support and buffering for the moving base 5. The elastic member 503 is made of a stainless steel spring or can also be made of elastic rubber. The second power source 501 is a servo motor or can also be a stepping motor. The combination of the second power source 501 and the control rod 504 enables the punching head 502 to accurately perform the punching action.
[0033] The punching head 502 includes: a grinding member 505, installed on the punching head 502 and used to grind the flexible circuit board after punching. The design of the grinding member 505 enables the hole edge to be ground after punching, improves the quality of the hole, improves the punching accuracy and efficiency, and reduces the need for subsequent processing.
[0034] The control base 3 includes: a first power source 301 installed on the control base 3, the power shaft of the first power source 301 is connected to the moving base 5; an auxiliary sleeve 302 arranged at the bottom of the control base 3, the pressing base 4 is connected to the auxiliary sleeve 302, and the auxiliary sleeve 302 is used to stabilize the position of the pressing base 4. The first power source 301 provides power for the moving base 5 to realize the automatic movement and positioning of the punching head 502. The first power source 301 adopts a cylinder or can also adopt a linear motor. The auxiliary sleeve 302 stabilizes the position of the pressing base 4 to ensure the accuracy and stability during the punching process.
[0035] The punching table 1 is used to place the flexible circuit board, and the control base 3 is arranged on the punching table 1; the punching table 1 includes: a gantry sliding table module 2 installed on the punching table 1, the control base 3 is installed on the gantry sliding table module 2. The design of the gantry sliding table module 2 enables the control base 3 to make precise position adjustments on the punching table 1, improving the adaptability and flexibility of the equipment.
[0036] During use, place the flexible circuit board on the punching table 1, adjust the position of the control base 3 through the gantry sliding table module 2 to ensure that the punching head 502 is aligned with the predetermined punching position on the flexible circuit board. Start the first power source 301 to drive the moving base 5 to move downward. The moving base 5 drives the pressing base 4 to descend. The supporting wheels 405 on the rotating plate 404 contact the flexible circuit board and start to roll to level the flexible circuit board. The pressing base 4 continues to descend until it completely presses the area around the punching of the flexible circuit board to ensure the stability during the punching process. When the pressing base 4 stably presses the flexible circuit board, the moving base 5 continues to move. At this time, the position of the pressing base 4 remains unchanged. The moving base 5 moves in the groove 401 and squeezes the elastic member 503. The second power source 501 is started to drive the control rod 504 and the punching head 502 to move downward in the through hole 402. The punching head 502 contacts the flexible circuit board and starts to punch. After punching is completed, as the moving base 5 moves, the grinding member 505 on the punching head 502 grinds the hole edge to improve the quality of the hole. The first power source 301 drives the punching head 502 and the control rod 504 to move upward, driving the moving base 5 and the pressing base 4 to move upward and leave the flexible circuit board. The punching and grinding processes are completed, and the processed flexible circuit board can be removed from the punching table 1.
[0037] In summary, compared with the prior art, the following beneficial effects are achieved:
[0038] The pressing base 4 presses and supports the area around the punching of the flexible circuit board to ensure the stability during the punching process, effectively reducing the deformation problem caused by mechanical force. The design of the rotating plate 404 and the supporting wheels 405 on the pressing base 4 can level the flexible circuit board before punching, eliminating the unevenness on the surface of the circuit board and improving the quality of punching.
[0039] Through the grinding member 505 installed on the punching head 502, the edge of the hole can be ground after punching, reducing the generation of burrs, improving the quality of the hole, while also reducing the subsequent process of removing burrs, and lowering the production cost and processing cycle.
[0040] Accordingly, while the present utility model has been described herein with reference to its specific embodiments, modifications, various changes and substitutions are also within the above disclosure, and it should be understood that in some cases, some features of the present utility model will be employed without corresponding use of other features without departing from the scope and spirit of the claimed utility model. Therefore, many modifications may be made to adapt a particular environment or material to the essential scope and spirit of the present utility model. The present utility model is not intended to be limited to the specific terms used in the following claims and / or the specific embodiments disclosed as the best mode contemplated for carrying out the present utility model, but the present utility model will include any and all embodiments and equivalents falling within the scope of the appended claims. Accordingly, the scope of the present utility model will be determined only by the appended claims.
Claims
1. A punching device for flexible circuit board processing, characterized in that, Comprising: A control base (3); A pressing base (4), mounted on the control base (3) and configured to be movable on the control base (3), the pressing base (4) being used to press and support the area around the punched hole of the flexible circuit board; A moving base (5), mounted on the control base (3) and connected to the pressing base (4), the moving base (5) being configured to drive the pressing base (4) to move when moving. After the pressing base (4) presses the flexible circuit board, the moving base (5) moves on the pressing base (4); A punching head (502), connected to the moving base (5) and used to punch the flexible circuit board.
2. The punching device for flexible circuit board processing according to claim 1, wherein, The pressing base (4) includes: A groove (401), formed on the pressing base (4), and the moving base (5) is arranged in the groove (401); A through hole (402), formed on the inner wall of the groove (401).
3. A punching device for flexible circuit board processing according to claim 2, wherein, The moving base (5) includes: A second power source (501), mounted on the moving base (5); A control rod (504), mounted on the power shaft of the second power source (501), the punching head (502) is mounted on the control rod (504), and the control rod (504) and the punching head (502) are arranged in the through hole (402); An elastic member (503), with one end connected to the second power source (501) and the other end connected to the bottom wall of the groove (401), the elastic member (503) being used to provide support for the moving base (5).
4. A punching device for flexible circuit board processing according to claim 1, characterized in that, The punching head (502) includes: A grinding member (505), mounted on the punching head (502) and used to grind the flexible circuit board after punching.
5. A punching device for flexible circuit board processing according to claim 1, characterized in that, The pressing base (4) further includes: A plurality of connecting grooves (403), formed at the bottom of the pressing base (4) and distributed in a circumferential array; A plurality of rotating plates (404), respectively mounted in the plurality of connecting grooves (403), and the rotating plates (404) are configured to rotate in the connecting grooves (403); A plurality of supporting wheels (405), respectively mounted on the plurality of rotating plates (404), used to move along with the pressing base (4) and roll on the flexible circuit board to flatten the flexible circuit board.
6. The punching device for flexible circuit board processing according to claim 1, characterized in that, The control base (3) includes: A first power source (301), mounted on the control base (3), and the power shaft of the first power source (301) is connected to the moving base (5); An auxiliary sleeve (302), arranged at the bottom of the control base (3), the pressing base (4) is connected to the auxiliary sleeve (302), and the auxiliary sleeve (302) is used to stabilize the position of the pressing base (4).
7. A punching device for flexible circuit board processing according to claim 1, characterized in that: Further comprising: A punching table (1), used to place the flexible circuit board, and the control base (3) is arranged on the punching table (1).
8. A punching device for flexible circuit board processing according to claim 7, characterized in that, The punching table (1) includes: A gantry slide module (2), mounted on the punching table (1), and the control base (3) is mounted on the gantry slide module (2).