Punching precision die for processing flexible circuit board

By designing a punching precision mold with motor-driven pulley and gear system, the offset problem caused by curling edges in flexible circuit board processing is solved, efficient leveling and punching are achieved, and production efficiency and product quality are improved.

CN222827438UActive Publication Date: 2025-05-02SHENZHEN JIAMINGKE ELECTRONICS CO LTD
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Patent Information

Application Number
CN202420980655.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-08
Publication Date
2025-05-02
Estimated Expiration
2034-05-08

AI Technical Summary

Technical Problem

During the processing of flexible circuit boards, due to the curling of the circuit board during production or storage, direct punching will lead to offset, which requires workers to level it to reduce production efficiency.

Method used

A punching precision mold including a processing box, an arch frame, a fixed groove plate, a support plate, a motor, a pulley, a gear and a clamping assembly is designed. The pulley and gear system are driven by the motor, and the rotating rod and the crushing wheel are driven to level and punch the flexible circuit board to ensure accuracy and efficiency.

Benefits of technology

Through this mold, the flexible circuit board is effectively avoided, the punching accuracy can be ensured, the production efficiency can be improved, and the circuit board can be improved through the design of clamping components and spring cleaning pads, and the product quality can be improved.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of flexible circuit boards, and discloses a punching precision die for flexible circuit board processing, which comprises a processing box, the right side of the processing box is fixedly connected with an arched frame, the inner wall of the right side of the processing box is fixedly connected with a fixed groove plate, and the inner walls of the front and rear ends of the left side of the processing box are fixedly connected with supporting plates. A motor penetrates through and is fixedly connected to the interior of the supporting plate at the front end, a driving belt wheel is fixedly connected to the output end of the motor, a rotating rod is rotationally connected between the left sides of the supporting plates, and a driven belt wheel is fixedly connected to the outer ring of the front end of the rotating rod. The flexible circuit board is rolled through the rolling wheel, edge warping of the flexible circuit board is avoided, an object is clamped through the bolt and the rubber pad, the surface of the object is cleaned through the spring and the cleaning pad, extrusion is carried out through the extrusion spring, the object at the bottom is protected, damage to the object is avoided, and the quality of the object is improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of flexible circuit boards, in particular to a punching precision die for processing flexible circuit boards. Background Art

[0002] Flexible Printed Circuit (FPC) is a highly reliable and extremely flexible printed circuit board made of polyimide or polyester film as the substrate. It has the characteristics of high wiring density, light weight, thin thickness and good bendability. The insulating film forms the base layer of the circuit, and the adhesive bonds the copper foil to the insulating layer. They are also used as protective coverings to isolate the circuit from dust and moisture, and can reduce stress during flexure. The copper foil forms a conductive layer.

[0003] After searching, the existing Chinese patent announcement number is: CN219132581U, which provides a flexible circuit board shape punching die. This patent ensures that the flexible circuit board is aligned with the blade on the punching die during the punching process, effectively ensuring the processing accuracy; on the other hand, through the structural design of the blade, it ensures the reliable separation of the key position of the flexible circuit board, and effectively improves the service life of the blade. It has the characteristics of simple structure, efficient separation, stability and reliability.

[0004] Although the above patent can improve the service life of the blade, the above-mentioned flexible circuit board shape punching mold still has the following problems: At present, when processing flexible circuit boards, the edges of the flexible circuit boards are warped due to production or storage. If the flexible circuit boards are directly punched, they will be offset and need to be leveled by workers, which reduces production efficiency.

[0005] In view of the above problems, a punching precision mold for processing flexible circuit boards is proposed. Utility Model Content

[0006] The utility model aims to provide a precision punching mold for processing flexible circuit boards, which solves the problem in the background technology that when processing flexible circuit boards, the edges of the flexible circuit boards are warped during production or storage. If the flexible circuit boards are directly punched, they are offset and need to be leveled by workers, which reduces production efficiency.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a punching precision mold for processing flexible circuit boards, comprising a processing box, an arch frame is fixedly connected to the right side of the processing box, a fixed groove plate is fixedly connected to the inner wall of the right side of the processing box, support plates are fixedly connected to the inner walls of the front and rear ends of the left side of the processing box, a motor is passed through and fixedly connected to the inside of the support plate at the front end, a driving pulley is fixedly connected to the output end of the motor, a rotating rod is rotatably connected between the left sides of the support plates, a driven pulley is fixedly connected to the front outer ring of the rotating rod, a belt is arranged between the driving pulley and the driven pulley, and a rear outer ring of the rotating rod is fixedly connected to A driving gear is connected, a rotating column is provided on the top of the rotating rod, and the rotating column is rotatably connected to the supporting plate, the outer ring of the rear end of the rotating column is fixedly connected to the driven gear, and the driven gear is meshingly connected to the driving gear, a placement plate is fixedly connected between the middle ends of the supporting plates, a slide plate is fixedly connected to the right outer wall of the placement plate, a rolling wheel is fixedly connected to the rotating column and the outer wall of the rotating rod, linear guide rails are fixedly connected to the inner walls of the front and rear ends of the left side of the processing box, a sliding block is slidably connected to the outer wall of the linear guide rail, the top of the sliding block is fixedly connected to the supporting column, the top of the supporting column is fixedly connected to the lower mold, and clamping components are provided at the front and rear ends of the lower mold.

[0008] By adopting the above technical solution, the motor drives the driving pulley to rotate, so that the driven pulley rotates, drives the rotating rod to rotate, and drives the driven gear to rotate through the rotating rod and the driving gear, so that the rotating rod and the rotating column rotate.

[0009] As a further description of the above technical solution: the clamping assembly includes a connecting plate, which is fixedly connected to the top of the front and rear ends of the lower mold, and a fixing plate is fixedly connected to the top of the opposite side of the connecting plate, and bolts are threadedly connected to the left and right sides of the fixing plate, and a rubber pad is rotatably connected to the bottom of the bolt.

[0010] By adopting the above technical solution, the rubber pad at the bottom moves downward by rotating the bolt.

[0011] As a further description of the above technical solution: a uniformly distributed spring is fixedly connected to the bottom left side of the fixed groove plate, and a cleaning pad is fixedly connected to the other end of the spring.

[0012] By adopting the above technical solution, the surface of the flexible circuit board is cleaned by the spring and the cleaning pad.

[0013] As a further description of the above technical solution: a hydraulic cylinder is fixedly connected to the bottom of the arch frame, a moving plate is fixedly connected to the output end of the hydraulic cylinder, a groove box is fixedly connected to the bottom of the moving plate, and a sliding column is slidably connected inside the groove box.

[0014] By adopting the above technical solution, the movable plate is driven by the hydraulic cylinder to move up and down.

[0015] As a further description of the above technical solution: a slide groove is opened at the left bottom of the processing box, a slider is slidably connected to the inner wall of the slide groove, and a carrying box is fixedly connected between the sliders.

[0016] By adopting the above technical solution, the hedge-type circuit boards are collected through the carrying box.

[0017] As a further description of the above technical solution: the outer ring of the sliding column is provided with a compression spring, and the top of the compression spring is fixedly connected to the groove box.

[0018] By adopting the above technical solution, the extrusion spring is extruded by sliding the sliding column.

[0019] As a further description of the above technical solution: a fixed plate is fixedly connected to the bottom of the sliding column, and the fixed plate is fixedly connected to the extrusion spring.

[0020] By adopting the above technical solution, the extrusion spring is extruded through the fixed disk.

[0021] As a further description of the above technical solution: a sliding plate is fixedly connected to the top of the sliding column, and the sliding plate is slidably connected to the inner wall of the groove box, and an upper mold is fixedly connected to the bottom of the fixed plate.

[0022] By adopting the above technical solution, the upper die is combined with the lower die to perform punching.

[0023] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0024] 1. The utility model provides a punching precision mold for processing a flexible circuit board. First, the flexible circuit board is rolled by a motor, a driving pulley, a belt, a driven pulley, a rotating rod, a driving gear, a driven gear, a rotating column, a placement plate and a rolling wheel to avoid the warping of the flexible circuit board, so as to ensure quality and improve production efficiency.

[0025] 2. The utility model provides a punching precision mold for processing flexible circuit boards, which clamps objects through bolts and rubber pads, cleans the surface of objects through springs and cleaning pads, and squeezes the extrusion spring through cylinders, moving plates, groove boxes, sliding columns and fixed plates to protect the objects at the bottom, avoid damage to the objects, and improve the quality of the objects. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0027] Figure 2It is a schematic cross-sectional structure diagram of the processing box of the utility model;

[0028] Figure 3 It is a schematic diagram of the exploded structure of the skateboard of the utility model;

[0029] Figure 4 It is a structural schematic diagram of the left side section of the processing box of the utility model;

[0030] Figure 5 It is a schematic diagram of the exploded structure of the groove box of the utility model.

[0031] In the figure: 1. processing box; 2. arch frame; 3. fixed groove plate; 4. support plate; 5. slide groove; 6. slider; 7. carrier box; 8. linear guide; 9. sliding block; 10. supporting column; 11. lower mold; 12. motor; 13. driving pulley; 14. belt; 15. driven pulley; 16. rolling wheel; 17. rotating rod; 18. driving gear; 19. driven gear; 20. placing plate; 21. rotating column; 22. slide plate; 23. connecting plate; 24. fixed plate; 25. bolt; 26. rubber pad; 27. spring; 28. cleaning pad; 29. ​​hydraulic cylinder; 30. moving disk; 31. groove box; 32. sliding plate; 33. extrusion spring; 34. sliding column; 35. fixed disk; 36. upper mold. DETAILED DESCRIPTION

[0032] The following will refer to the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0033] In order to further understand the content of the utility model, the utility model is described in detail with reference to the accompanying drawings.

[0034] Reference Figure 1 and Figure 2The utility model is a punching precision mold for processing a flexible circuit board, comprising a processing box 1, an arch frame 2 is fixedly connected to the right side of the processing box 1, a fixed groove plate 3 is fixedly connected to the inner wall of the right side of the processing box 1, support plates 4 are fixedly connected to the inner walls of the front and rear ends of the left side of the processing box 1, linear guide rails 8 are fixedly connected to the inner walls of the front and rear ends of the left side of the processing box 1, and the limiting blocks on the left and right sides of the linear guide rails 8 limit the sliding block 9, the outer wall of the linear guide rail 8 is slidably connected to the sliding block 9, the top of the sliding block 9 is fixedly connected to the support column 10, and the top of the support column 10 is fixedly connected to the lower mold 11, and the support column 10 and the lower mold 11 are moved to the bottom of the slide plate 22 by the linear guide rail 8 and the sliding block 9, so that the flexible circuit board slides to the surface of the lower mold 11, and the flexible circuit board is manually aligned and limited.

[0035] Reference Figure 3 A motor 12 is passed through and fixedly connected to the front support plate 4, and a driving pulley 13 is fixedly connected to the output end of the motor 12. A rotating rod 17 is rotatably connected between the left and right sides of the support plate 4. A driven pulley 15 is fixedly connected to the front outer ring of the rotating rod 17. A belt 14 is arranged between the driving pulley 13 and the driven pulley 15. A driving gear 18 is fixedly connected to the rear outer ring of the rotating rod 17. A rotating column 21 is arranged on the top of the rotating rod 17, and the rotating column 21 is rotatably connected to the support plate 4. A driven gear 19 is fixedly connected to the rear outer ring of the rotating column 21, and the driven gear 19 is meshed with the driving gear 18. A placement plate 20 is fixedly connected between the middle ends of the support plates 4, and the placement plate 20 is right A slide plate 22 is fixedly connected to the side outer wall, and a rolling wheel 16 is fixedly connected to the outer wall of the rotating column 21 and the rotating rod 17. The driving pulley 13 is driven to rotate by the motor 12, and the driven pulley 15 is driven to rotate by the driving pulley 13 and the belt 14, so that the rotating rod 17 inside the driven pulley 15 rotates, and the driving gear 18 is driven to rotate by the rotation of the rotating rod 17. The driving gear 18 is meshed with the driven gear 19, so that the driven gear 19 and the internal rotating column 21 rotate, so that the rolling wheel 16 rotates, and the flexible circuit board is transported to the surface of the lower mold 11 through the slide plate 22 and the placement plate 20, and the flexible circuit board is leveled to avoid warping, so as to ensure quality and improve production efficiency.

[0036] Reference Figure 4 and Figure 5, the front and rear ends of the lower mold 11 are provided with clamping assemblies, and the clamping assemblies include connecting plates 23, which are fixedly connected to the tops of the front and rear ends of the lower mold 11, and the top of the opposite side of the connecting plate 23 is fixedly connected to a fixing plate 24, and the left and right sides of the fixing plate 24 are threadedly connected with bolts 25, and the bottom of the bolts 25 is rotatably connected with a rubber pad 26 to align the flexible circuit board. By manually rotating the bolts 25 at the front and rear ends, the rubber pad 26 at the bottom of the bolts 25 moves downward to fix the four corners of the flexible circuit board, which is convenient for punching. The bottom left side of the fixed groove plate 3 is fixedly connected with a uniformly distributed spring 27, and the other end of the spring 27 is fixedly connected with a cleaning pad 28. The support column 10 and the lower mold 11 are driven by the linear guide 8 and the sliding block 9 to move to the bottom of the upper mold 36, and the surface of the flexible circuit board is cleaned by the spring 27 and the cleaning pad 28 at the bottom left side of the fixed groove plate 3 to ensure the quality of the flexible circuit board.

[0037] Reference Figure 4 and Figure 5 The bottom of the arch frame 2 is fixedly connected with a hydraulic cylinder 29, the output end of the hydraulic cylinder 29 is fixedly connected with a moving plate 30, the bottom of the moving plate 30 is fixedly connected with a groove box 31, the groove box 31 is slidably connected with a sliding column 34, the bottom of the left side of the processing box 1 is provided with a slide groove 5, the inner wall of the slide groove 5 is slidably connected with a slider 6, and a bearing box 7 is fixedly connected between the sliders 6. The outer ring of the sliding column 34 is provided with an extrusion spring 33, and the top of the extrusion spring 33 is fixedly connected to the groove box 31, and the bottom of the sliding column 34 is fixedly connected with a fixed plate 35, and the fixed plate 35 is fixedly connected to the extrusion spring 33. The sliding plate 32 is fixedly connected to the top of the sliding column 34, and the sliding plate 32 is slidably connected to the inner wall of the groove box 31. The upper mold 36 is fixedly connected to the bottom of the fixed plate 35. The movable plate 30 is driven downward by the hydraulic cylinder 29 to move the groove box 31 at the bottom downward, and the upper mold 36 contacts the bottom. The sliding column 34 slides on the inner wall of the groove box 31, and the sliding plate 32 is used to limit the inner wall of the groove box 31. The fixed plate 35 moves upward to squeeze the extrusion spring 33 to protect the objects at the bottom to avoid damage to the objects.

[0038] Working principle: put the flexible circuit board on the upper end of the placement plate 20, drive the driving pulley 13 to rotate through the motor 12, drive the driven pulley 15 to rotate through the driving pulley 13 and the belt 14, so that the rotating rod 17 inside the driven pulley 15 rotates, and the driving gear 18 rotates through the rotation of the rotating rod 17. The driving gear 18 is meshed with the driven gear 19, so that the driven gear 19 and the internal rotating column 21 rotate, so that the rolling wheel 16 rotates, and the flexible circuit board is transported to the surface of the lower mold 11 through the slide plate 22 and the placement plate 20, and the flexible circuit board is leveled to avoid warping. The linear guide 8 and the sliding block 9 move the support column 10 and the lower mold 11 to the bottom of the slide plate 22, so that the flexible circuit board slides to the surface of the lower mold 11, and the flexible circuit board is manually straightened. The bolts 25 at the front and rear ends are rotated to make the rubber pads 26 at the bottom of the bolts 25 move downward, fix the four corners of the flexible circuit board, and facilitate punching. The support column 10 and the lower mold 11 are driven by the linear guide 8 and the sliding block 9 to move to the bottom of the upper mold 36, and the surface of the flexible circuit board is cleaned by the spring 27 and the cleaning pad 28 at the bottom of the left side of the fixed groove plate 3. The moving plate 30 is driven by the hydraulic cylinder 29 to move downward, so that the groove box 31 at the bottom moves downward, and the upper mold 36 contacts the bottom. The sliding column 34 slides on the inner wall of the groove box 31, and the inner wall of the groove box 31 is limited by the sliding plate 32. The fixed plate 35 moves upward to squeeze the extrusion spring 33 to protect the objects at the bottom to avoid damage to the objects.

[0039] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0040] Although the 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 punching precision mold for processing a flexible circuit board, comprising a processing box (1), characterized in that: The processing box (1) is fixedly connected to an arch frame (2) on the right side, and a fixed groove plate (3) is fixedly connected to the inner wall of the right side of the processing box (1). The inner walls of the front and rear ends of the left side of the processing box (1) are fixedly connected to support plates (4). A motor (12) is passed through and fixedly connected to the inside of the support plate (4) at the front end, and a driving pulley (13) is fixedly connected to the output end of the motor (12). A rotating rod (17) is rotatably connected between the left side of the support plate (4), and the front end outer ring of the rotating rod (17) is fixedly connected to a driven pulley (15). A belt (14) is arranged between the driving pulley (13) and the driven pulley (15). The rear end outer ring of the rotating rod (17) is fixedly connected to a driving gear (18). A rotating column (21) is arranged on the top of the rotating rod (17), and the rotating column (21) is rotatably connected to the support plate (4), the outer ring of the rear end of the rotating column (21) is fixedly connected to a driven gear (19), and the driven gear (19) is meshingly connected to the driving gear (18), a placement plate (20) is fixedly connected between the middle ends of the support plate (4), and a slide plate (22) is fixedly connected to the right outer wall of the placement plate (20), the rotating column (21) and the outer wall of the rotating rod (17) are both fixedly connected to a rolling wheel (16), the inner walls of the front and rear ends of the left side of the processing box (1) are fixedly connected to linear guides (8), the outer wall of the linear guide (8) is slidably connected to a sliding block (9), the top of the sliding block (9) is fixedly connected to a support column (10), the top of the support column (10) is fixedly connected to a lower mold (11), and clamping components are arranged at the front and rear ends of the lower mold (11).

2. The punching precision mold for processing a flexible circuit board according to claim 1, characterized in that: The clamping assembly comprises a connecting plate (23), wherein the connecting plate (23) is fixedly connected to the top of the front and rear ends of the lower mold (11), and a fixing plate (24) is fixedly connected to the top of the opposite side of the connecting plate (23), and bolts (25) are threadedly connected to the left and right sides of the fixing plate (24), and a rubber pad (26) is rotatably connected to the bottom of the bolt (25).

3. The punching precision mold for processing a flexible circuit board according to claim 1, characterized in that: A uniformly distributed spring (27) is fixedly connected to the bottom of the left side of the fixed groove plate (3), and a cleaning pad (28) is fixedly connected to the other end of the spring (27).

4. The punching precision mold for processing a flexible circuit board according to claim 1, characterized in that: The bottom of the arch frame (2) is fixedly connected to a hydraulic cylinder (29), the output end of the hydraulic cylinder (29) is fixedly connected to a moving plate (30), the bottom of the moving plate (30) is fixedly connected to a groove box (31), and the interior of the groove box (31) is slidably connected to a sliding column (34).

5. The punching precision mold for processing a flexible circuit board according to claim 1, characterized in that: The left bottom of the processing box (1) is provided with a slide groove (5), the inner wall of the slide groove (5) is slidably connected with a slider (6), and a carrying box (7) is fixedly connected between the sliders (6).

6. The punching precision mold for processing a flexible circuit board according to claim 4, characterized in that: The outer ring of the sliding column (34) is provided with a pressing spring (33), and the top of the pressing spring (33) is fixedly connected to the groove box (31).

7. The punching precision mold for processing a flexible circuit board according to claim 4, characterized in that: A fixing plate (35) is fixedly connected to the bottom of the sliding column (34), and the fixing plate (35) is fixedly connected to the extrusion spring (33).

8. The punching precision mold for processing a flexible circuit board according to claim 7, characterized in that: The top of the sliding column (34) is fixedly connected to a sliding plate (32), and the sliding plate (32) is slidably connected to the inner wall of the groove box (31), and the bottom of the fixed plate (35) is fixedly connected to an upper mold (36).