Flexible circuit board shearing device

By designing a flexible circuit board shearing device with sliding blocks, positioning columns and multi-slot belts, the problem of friction wear on the side ends of the circuit board in the prior art is solved, and the effect of reducing friction damage and improving working efficiency is achieved.

CN222803113UActive Publication Date: 2025-04-25SHENZHEN HENGTAI ELECTRONICS CO LTD
View PDF 1 Cites 0 Cited by

Patent Information

Application Number
CN202421030791.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-13
Publication Date
2025-04-25
Estimated Expiration
2034-05-13

AI Technical Summary

Technical Problem

The existing flexible circuit board shearing devices will cause friction to wear on the side ends of the circuit board during positioning, reducing the practicality of the overall device.

Method used

A flexible circuit board shearing device including a fixing bracket, a sliding block, a positioning column, a driven gear, a driving gear, a multi-slot belt, a bevel gear, a transmission assembly and a cutting assembly is designed. The sliding block drives the positioning column to rotate, and the multi-groove belt transmission is used to prevent the positioning column from directly rubbing the circuit board during transportation, thereby reducing friction damage.

Benefits of technology

It effectively reduces friction and wear on the side ends of the circuit board, improves the practicality of the overall device, and improves work efficiency by simplifying the operation steps.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN222803113U_ABST
    Figure CN222803113U_ABST
Patent Text Reader

Abstract

The utility model relates to the technical field of plate shearing devices, and discloses a flexible circuit board shearing device. The flexible circuit board shearing device comprises a fixing support, the right portion of the right fixing support is fixedly connected with a positioning assembly, the left portion of the positioning assembly is slidably connected with a sliding block, the side end of the sliding block is rotatably connected with a positioning column, and the bottom of the positioning column is fixedly connected with a driven gear. A driving gear is rotationally connected to outer teeth of the driven gear through a multi-groove belt, a bevel gear is fixedly connected to the lower end of the driving gear, and a fixing rod is rotationally connected to the lower end of the bevel gear. According to the circuit board conveying device, the circuit board is clamped by the positioning columns through sliding of the sliding blocks, in the conveying process of the circuit board, the positioning columns can rotate along with the positioning columns under transmission of the multi-groove belt, the position of the circuit board can be kept fixed, and damage to the circuit board due to the fact that the side ends of the circuit board are subjected to large friction is avoided.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model relates to the technical field of shearing devices, in particular to a flexible circuit board shearing device. Background Art

[0002] The flexible circuit board shearing device uses specially designed knives and shearing technology to cut the flexible circuit boards evenly and stably, and requires a high-precision control system to ensure accuracy during the shearing process.

[0003] After searching, the authorization announcement number CN211457562U discloses a positioning work jig for a flexible circuit board shearing machine, including a shearing table, support columns are fixedly connected to both sides of the top of the shearing table, the tops of the two support columns are fixedly connected to a top plate, both sides of the bottom of the top plate are fixedly connected to return springs, the bottoms of the two return springs are fixedly connected to a movable plate, the bottom of the movable plate is fixedly connected to a cutting knife, and both sides of the movable plate are fixedly connected to sliders; the utility model can automatically fix the circuit board, thereby ensuring cutting accuracy, avoiding errors caused by manual operation, and thereby improving production efficiency.

[0004] In the above technology, although the cutting accuracy can be ensured by clamping the circuit board, when the circuit board needs to slide for continuous cutting, the existing positioning device will also cause the side ends of the circuit board to wear due to friction during positioning, resulting in a greater probability of damage to the circuit board, reducing the practicality of the overall device. Utility Model Content

[0005] In view of the shortcomings of the prior art, the utility model provides a flexible circuit board shearing device, which solves the problem mentioned in the background art that the positioning device may wear the side end of the circuit board.

[0006] To achieve the above objectives, the utility model is implemented through the following technical solutions: a flexible circuit board shearing device, comprising a fixed bracket, the right part of the fixed bracket is fixedly connected to a positioning assembly, the left part of the positioning assembly is slidably connected to a sliding block, the side end of the sliding block is rotatably connected to a positioning column, the bottom of the positioning column is fixedly connected to a driven gear, the outer teeth of the driven gear are rotatably connected to a driving gear through a multi-groove belt, the lower end of the driving gear is fixedly connected to a bevel gear, the lower end of the bevel gear is rotatably connected to a fixed rod, the upper part of the bevel gear is meshed with a transmission assembly, the front part of the sliding block is fixedly connected to a sliding plate, and the rear part of the sliding block is fixedly connected to a cutting assembly.

[0007] Preferably, the side end of the sliding plate is rotatably connected to a sliding rod, the side end of the sliding rod is elastically connected to a storage rod via a spring, and the outside of the sliding rod is fixedly connected to a clamping block.

[0008] Preferably, the positioning assembly includes a motor 1, and a threaded rod is fixedly connected to the left output shaft of the motor 1.

[0009] Preferably, the transmission assembly includes a second motor, a rotating rod is fixedly connected to the left output shaft of the second motor, and the rotating rod is rotatably connected to a transmission gear via a transmission belt.

[0010] Preferably, the cutting assembly comprises a cutting bracket, the upper end of the cutting bracket is fixedly connected to a telescopic motor, and the bottom of the telescopic motor is fixedly connected to a cutter.

[0011] Preferably, the inner part of the multi-groove belt is respectively meshed with the gear teeth of the driving gear and the driven gear, and the lower end of the fixing rod is fixedly connected to the side wall of the sliding plate.

[0012] Preferably, one end of the spring 1 is fixedly connected to the side end of the sliding rod, the other end of the spring 1 is fixedly connected to the inner wall of the storage rod, and the outer parts of the clamping block and the sliding rod are both slidably connected to the inner part of the storage rod.

[0013] Preferably, the bottom of the motor 1 is fixedly connected to the right end of the right fixed bracket, and the two ends of the threaded rod are respectively rotatably connected to the inside of the fixed bracket.

[0014] Preferably, the two ends of the transmission belt are respectively wound around the transmission gear and the right part of the rotating rod, the left part of the rotating rod is rotatably connected to the side end of the sliding rod, and the right parts of the rotating rod and the transmission gear are both rotatably connected to the side end of the sliding plate.

[0015] Preferably, the front portion of the cutting bracket is fixedly connected to the rear portion of the fixed bracket, and the lower portion of the cutting bracket slides on the rear portion of the sliding block.

[0016] The utility model has the following beneficial effects:

[0017] 1. In the utility model, the positioning column clamps the circuit board by sliding the sliding block, and during the transportation of the circuit board, the positioning column can rotate with the positioning column under the drive of the multi-groove belt, so that the circuit board can keep a fixed position and the side end will not be damaged by large friction.

[0018] 2. In the utility model, the storage rod can be disassembled by pressing the sliding rod, so when the flexible circuit board needs to be reinstalled after cutting, the flexible circuit board can be installed quickly, which reduces the operation steps and improves the work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0020] Figure 2This is a schematic diagram of the transmission assembly structure of the utility model;

[0021] Figure 3 It is a schematic diagram of the cross-sectional structure of the storage rod of the utility model.

[0022] Legend:

[0023] 1. Fixed bracket; 2. Sliding block; 3. Positioning column; 4. Driven gear; 5. Driving gear; 6. Multi-groove belt; 7. Bevel gear; 8. Sliding rod; 9. Storage rod; 10. Transmission belt; 11. Rotating rod; 12. Motor 2; 13. Sliding plate; 14. Motor 1; 15. Cutting bracket; 16. Telescopic motor; 17. Cutter; 18. Threaded rod; 19. Transmission gear; 20. Fixed rod; 21. Snap-in block. DETAILED DESCRIPTION

[0024] The following will be combined with 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 in 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.

[0025] See also Figure 1-Figure 2 The utility model provides a flexible circuit board shearing device, including: a fixed bracket 1, the fixed bracket 1 is provided with two groups, the two groups of fixed brackets 1 keep the whole device fixed, the right part of the right fixed bracket 1 is fixedly connected to the positioning component, the positioning component can drive the positioning column 3 to slide towards each other at the same time to clamp the circuit board, the positioning component includes a motor 14, the motor 14 can make the threaded rod 18 rotate, the left output shaft of the motor 14 is fixedly connected with the threaded rod 18, the thread of the threaded rod 18 can squeeze the sliding blocks 2 at both ends to slide simultaneously when rotating, the bottom of the motor 14 is fixedly connected It is connected to the right end of the right fixed bracket 1, and the fixed bracket 1 supports the motor 14 so that it cannot move. The two ends of the threaded rod 18 are respectively rotatably connected to the inside of the fixed bracket 1. The fixed bracket 1 maintains the level of the threaded rod 18, so that the sliding block 2 remains in a horizontal state. The left part of the positioning assembly is slidably connected to the sliding block 2. The sliding of the sliding block 2 can drive the sliding plate 13 and the positioning column 3 to slide to a position suitable for the width of the circuit board. The side end of the sliding block 2 is rotatably connected to the positioning column 3. The positioning column 3 is a cylinder with a circular groove in the middle. The circular groove can clamp the circuit board to keep it at the same height and fixed position.

[0026] See also Figure 1-Figure 2The bottom of the positioning column 3 is fixedly connected with a driven gear 4, and the driven gear 4 can drive the positioning column 3 to rotate with the placement rod 9, so that the circuit board will not be damaged by the friction of the inner wall of the circular groove of the positioning column 3 during transportation. The outer teeth of the driven gear 4 are rotatably connected with the driving gear 5 through the multi-groove belt 6. There are multiple groups of grooves in the middle of the multi-groove belt 6. The inside of the multi-groove belt 6 is respectively engaged with the gear teeth of the driving gear 5 and the driven gear 4. The gear teeth of the driving gear 5 slide into the grooves of the multi-groove belt 6 to drive the multi-groove belt 6 to rotate. The multi-groove belt 6 can drive the gear teeth of the driven gear 4 to rotate, so that the positioning column 3 can rotate. The lower end of the driving gear 5 is fixedly connected with a bevel gear 7, and the lower end of the bevel gear 7 is rotatably connected with a fixed rod 20. The fixed rod 20 can make the driving gear 5 and the bevel gear 7 slide with the sliding block 2 to keep their relative positions fixed. The lower end of the fixed rod 20 is fixedly connected to the side wall of the sliding plate 13. The rotation of the bevel gear 7 can drive the driving gear 5 to rotate.

[0027] See also Figure 1-Figure 2 , a transmission assembly is meshed on the upper part of the bevel gear 7, and the transmission assembly can transmit the power of the motor 2 12 to the driving gear 5, so that the rotation speed of the positioning column 3 and the storage rod 9 is the same. The transmission assembly includes the motor 2 12, and the motor 2 12 is the power source for the transportation of the circuit board. A rotating rod 11 is fixedly connected to the left output shaft of the motor 2 12. The rotation of the rotating rod 11 can drive the sliding rod 8 and the transmission belt 10 to rotate at the same time. The rotating rod 11 is connected to a transmission gear 19 through the transmission belt 10. The transmission gear 19 can rotate under the drive of the transmission belt 10. The bottom of the motor 2 12 is fixedly connected to the right side of the right sliding plate 13. The sliding plate 13 limits the motor 2 12 to remain relatively fixed. The two ends of the transmission belt 10 are respectively wound around the transmission gear 19 and the right part of the rotating rod 11. The transmission belt 10 rotates with the rotating rod 11 to drive the transmission gear 19 to rotate the transmission power. The left part of the rotating rod 11 is rotatably connected to the side end of the sliding rod 8. The side end of the rotating rod 11 is square, so that the sliding rod 8 can rotate with the rotating rod 11.

[0028] See also Figure 1-Figure 2The right parts of the rotating rod 11 and the transmission gear 19 are both rotatably connected to the side ends of the sliding plate 13. The sliding plate 13 can make the transmission assembly slide horizontally with the sliding block 2 and remain fixed. The front part of the sliding block 2 is fixedly connected to the sliding plate 13, and the rear part of the sliding block 2 is fixedly connected to the cutting assembly. The cutting assembly can cut the circuit board. The cutting assembly includes a cutting bracket 15. The cutting bracket 15 is mouth-shaped, and a cutting groove is provided at the lower end, so that the tool 17 can slide down a distance to ensure that the circuit board is completely cut off, and the cutting bracket 15 can limit the stability of the tool 17. The upper end of the cutting bracket 15 is fixedly connected to a telescopic motor 16, and the telescopic motor 16 can drive the tool 17 to slide up and down for repeated cutting. The bottom of the telescopic motor 16 is fixedly connected to the tool 17, and the tool 17 can cut the circuit board so that its length can meet the requirements of the subsequent steps. The front part of the cutting bracket 15 is fixedly connected to the rear part of the fixed bracket 1, and the lower part of the cutting bracket 15 slides at the rear part of the sliding block 2. The lower part of the cutting bracket 15 limits the sliding block 2 to remain stable and will not rotate.

[0029] See also Figure 1-Figure 3 The side end of the sliding plate 13 is rotatably connected to the sliding rod 8, and the side end of the sliding rod 8 is provided with a square groove, which can be clamped with the side end of the rotating rod 11, so that the sliding rod 8 can rotate with the rotating rod 11, and the side end of the sliding rod 8 is elastically connected to the storage rod 9 through a spring 1, and the storage rod 9 can support the circuit board so that it can rotate. The outside of the sliding rod 8 is fixedly connected with a clamping block 21, and the clamping block 21 can make the storage rod 9 rotate with the sliding rod 8. One end of the spring 1 is fixedly connected to the side end of the sliding rod 8, and the other end of the spring 1 is fixedly connected to the inner wall of the storage rod 9. The spring 1 can keep the sliding rod 8 fixed in the sliding plate 13, and the clamping block 21 and the outside of the sliding rod 8 are both slidably connected to the inside of the storage rod 9. The clamping block 21 restricts the sliding rod 8 from sliding out of the storage rod 9 and the sliding rod 8 slides into the storage rod 9. The storage rod 9 can be disassembled to facilitate the installation of the circuit board.

[0030] Working principle: press the sliding rod 8 to make it slide into the storage rod 9, remove the storage rod 9, install the circuit board that needs to be cut, and then make the sliding rod 8 slide out of the storage rod 9 under the pressure of the spring, until the clamping block 21 is restricted by the storage rod 9 and cannot slide, slide the side end of the sliding rod 8 into the sliding plate 13, so that the square side end of the rotating rod 11 slides into the sliding rod 8, pull out the circuit board, start the motor 14, so that the threaded rod 18 rotates, and the threaded rod 18 squeezes the sliding block 2 to slide toward each other until the circuit board is clamped in the circular groove of the positioning column 3, then stop the rotation of the motor 14, start the motor 2 12, so that the motor 2 12 can drive the rotating rod 11 to rotate, and the rotating rod 11 drives The right end sliding rod 8 rotates, the sliding rod 8 drives the clamping block 21 to rotate, the clamping block 21 drives the placement rod 9 to rotate, the placement rod 9 drives the left end rotating rod 11 to rotate, the rotation of the rotating rods 11 at both ends can drive the transmission belt 10 to rotate, the transmission belt 10 drives the transmission gear 19 to rotate, the transmission gear 19 drives the bevel gear 7 to rotate, the bevel gear 7 drives the driving gear 5 to rotate, the driving gear 5 drives the multi-groove belt 6 to rotate, the multi-groove belt 6 drives the driven gear 4 to rotate, the driven gear 4 drives the positioning column 3 to rotate, the positioning column 3 plays the role of positioning and transporting the circuit board, the circuit board is transported to the cutting bracket 15, the telescopic motor 16 can drive the tool 17 to slide up and down to cut and trim the circuit board.

[0031] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A flexible circuit board shearing device, comprising a fixing bracket (1), characterized in that: The right part of the fixed bracket (1) is fixedly connected to the positioning assembly, the left part of the positioning assembly is slidably connected to a sliding block (2), the side end of the sliding block (2) is rotatably connected to a positioning column (3), the bottom of the positioning column (3) is fixedly connected to a driven gear (4), the outer teeth of the driven gear (4) are rotatably connected to a driving gear (5) through a multi-groove belt (6), the lower end of the driving gear (5) is fixedly connected to a bevel gear (7), the lower end of the bevel gear (7) is rotatably connected to a fixed rod (20), the upper part of the bevel gear (7) is meshed with a transmission assembly, the front part of the sliding block (2) is fixedly connected to a sliding plate (13), and the rear part of the sliding block (2) is fixedly connected to a cutting assembly.

2. A flexible circuit board shearing device according to claim 1, characterized in that: The side end of the sliding plate (13) is rotatably connected to a sliding rod (8), the side end of the sliding rod (8) is elastically connected to a storage rod (9) via a spring, and the outside of the sliding rod (8) is fixedly connected to a clamping block (21).

3. A flexible circuit board shearing device according to claim 1, characterized in that: The positioning assembly comprises a motor 1 (14), and a threaded rod (18) is fixedly connected to the left output shaft of the motor 1 (14).

4. A flexible circuit board shearing device according to claim 1, characterized in that: The transmission assembly comprises a second motor (12), a rotating rod (11) is fixedly connected to the left output shaft of the second motor (12), the rotating rod (11) is rotatably connected to a transmission gear (19) via a transmission belt (10), and the bottom of the second motor (12) is fixedly connected to the right side of a right sliding plate (13).

5. A flexible circuit board shearing device according to claim 1, characterized in that: The cutting assembly comprises a cutting bracket (15), the upper end of the cutting bracket (15) is fixedly connected to a telescopic motor (16), and the bottom of the telescopic motor (16) is fixedly connected to a cutter (17).

6. A flexible circuit board shearing device according to claim 1, characterized in that: The interior of the multi-groove belt (6) is respectively meshed with the gear teeth of the driving gear (5) and the driven gear (4), and the lower end of the fixing rod (20) is fixedly connected to the side wall of the sliding plate (13).

7. A flexible circuit board shearing device according to claim 2, characterized in that: One end of the spring is fixedly connected to the side end of the sliding rod (8), and the other end of the spring is fixedly connected to the inner wall of the storage rod (9). The outer part of the clamping block (21) and the sliding rod (8) are both slidably connected to the inner part of the storage rod (9).

8. A flexible circuit board shearing device according to claim 3, characterized in that: The bottom of the motor 1 (14) is fixedly connected to the right end of the right fixed bracket (1), and the two ends of the threaded rod (18) are respectively rotatably connected to the inside of the fixed bracket (1).

9. A flexible circuit board shearing device according to claim 4, characterized in that: The two ends of the transmission belt (10) are respectively wound around the transmission gear (19) and the right part of the rotating rod (11), the left part of the rotating rod (11) is rotatably connected to the side end of the sliding rod (8), and the right part of the rotating rod (11) and the transmission gear (19) are both rotatably connected to the side end of the sliding plate (13).

10. A flexible circuit board shearing device according to claim 5, characterized in that: The front part of the cutting bracket (15) is fixedly connected to the rear part of the fixed bracket (1), and the lower part of the cutting bracket (15) slides on the rear part of the sliding block (2).

Citation Information

Patent Citations

  • Positioning work jig for flexible circuit board shearing machine

    CN211457562U