Forming device for keyboard flexible board
By coordinating the design of the glue delivery hose, glue spray nozzle, and industrial inspection camera, the problem of unstable glue application in the glue application equipment was solved, enabling efficient and precise glue application of the keyboard flexible circuit board, reducing scrap rate and labor costs, and improving production efficiency.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-10
- Publication Date
- 2026-04-03
AI Technical Summary
Existing glue-applying equipment has an unstable glue output, which can easily lead to over- or under-applying glue. This results in low glue-applying quality and high manual intervention, making it difficult to achieve efficient and continuous glue-applying operations, thus affecting production progress and increasing costs.
The design incorporates a glue delivery hose, glue nozzle, and glue box, combined with the coordinated control of a screw motor drive and an electric push rod to achieve multi-axis motion glue application path planning. It is also equipped with an industrial inspection camera for real-time image recognition and monitoring to ensure the accuracy and uniformity of glue application.
It enables uniform and precise glue application on flexible keyboard boards with complex shapes, reducing scrap rate and labor costs, and improving production efficiency and product yield.
Smart Images

Figure CN224072458U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of molding devices, and in particular to a molding device for a keyboard flexible board. Background Technology
[0002] A keyboard flexible circuit board, also known as a flexible printed circuit (FPC), is a printed circuit board made of a flexible insulating substrate (such as polyimide or polyester film). It has high reliability, excellent flexibility, and features high wiring density, light weight, thinness, and good bending ability.
[0003] In the molding process of flexible circuit boards, the adhesive coating process is crucial. Precise and uniform adhesive coating can not only ensure the reliable connection between the flexible circuit board and other components and enhance the stability of the overall structure, but also play a certain role in moisture-proofing, dust-proofing and other protection, and extend the service life of the flexible circuit board.
[0004] Currently, some existing glue application equipment has unstable glue output, which can easily lead to excessive glue application causing glue overflow and contamination of other parts, or insufficient glue application causing weak connections. This results in low glue application quality, and many glue application devices still use relatively traditional operating methods with a high degree of manual intervention. When facing the needs of large-scale production, it is difficult to achieve efficient and continuous glue application operations, which seriously affects the production schedule and increases labor costs and production cycle.
[0005] Therefore, it is necessary to propose a molding device for flexible keyboard boards to solve the above problems. Utility Model Content
[0006] The purpose of this invention is to provide a molding device for flexible keyboard boards, in order to solve the problems mentioned in the background art, such as unstable glue output of some existing glue coating equipment, which easily leads to excessive glue coating causing glue overflow and contamination of other parts, or insufficient glue coating causing weak connections, resulting in low glue coating quality. Furthermore, many glue coating devices still adopt relatively traditional operating methods with a high degree of manual intervention. When facing the needs of large-scale production, it is difficult to achieve efficient and continuous glue coating operations, which seriously affects the production progress and increases labor costs and production cycle.
[0007] To achieve the above objectives, the present invention provides the following technical solution: a molding device for a keyboard flexible circuit board, comprising a column, a rear plate installed in front of the column, a front plate installed on the front surface of the rear plate, and an adhesive applicator installed in front of the front plate;
[0008] A hole is provided at the center of the front panel, and sliding grooves are provided on both sides of the hole. An upper electric push rod is installed above the sliding groove, and a lower electric push rod is installed below the sliding groove. An upper movable block is installed at the upper position inside the sliding groove, and an upper pulley is installed on the upper movable block. The upper pulley is located inside the sliding groove. The output end of the upper electric push rod is fixedly connected to the upper movable block. An upper connecting rod is installed inside the upper movable block, and an upper fixed block is installed at the lower end of the upper connecting rod. An adhesive box is fixedly installed on the front surface of the upper fixed block.
[0009] A lower movable block is installed at the lower part of the slide groove, and a lower sliding wheel is installed on the lower movable block. The lower sliding wheel is located inside the slide groove. The output end of the lower electric push rod is fixedly connected to the lower movable block. A lower connecting rod is installed inside the lower movable block. A lower fixed block is installed at the upper end of the lower connecting rod. An adhesive box is fixedly installed on the front surface of the lower fixed block.
[0010] Preferably, an upper baffle is installed on the front surface of the glue coating box near the top, a lower baffle is installed below the upper baffle, a partition is installed inside the glue coating box, a glue spray nozzle is installed above the partition, and an industrial inspection camera is installed below the partition.
[0011] Preferably, a movable block is fixedly installed on the rear surface of the rear plate, the movable block has a lead screw hole, and a groove is provided on the front surface of the rear plate, in which a glue delivery hose is installed.
[0012] Preferably, a lead screw motor is installed on the upper surface of the column, a lead screw groove is opened on the column, a bidirectional lead screw is installed inside the lead screw groove, the bidirectional lead screw is connected to the lead screw motor for transmission, and the bidirectional lead screw passes through the lead screw hole.
[0013] Preferably, a conveyor belt is installed on the lower surface of the column, and a control panel is installed on the conveyor belt.
[0014] Preferably, the adhesive delivery hose passes through the hole and connects to the adhesive spray nozzle.
[0015] The technical effects and advantages of this utility model are as follows:
[0016] 1. The glue delivery hose, glue spray nozzle, and glue box provided in this utility model, during the glue application process for keyboard flexible circuit boards, the lead screw motor drives the bidirectional lead screw to move the glue box up and down. The cooperation of the upper and lower electric push rods can drive the glue box to extend and retract. At the same time, the glue delivery hose cooperates to deliver glue, realizing the coordinated control of multi-axis motion. This coordinated operation can accurately plan the glue application path and speed according to the shape, size, and glue application process requirements of the keyboard flexible circuit board, ensuring uniform and accurate glue application even on keyboard flexible circuit boards with complex shapes, improving the product yield, and solving the problems of unstable glue output in some existing glue application equipment, which easily leads to excessive glue application causing glue overflow and contamination of other parts, or insufficient glue application causing weak connections.
[0017] 2. The glue application box and industrial inspection camera set in this utility model, during use, the industrial inspection camera uses image recognition technology to monitor the glue application area in real time and compare it with the preset standard image, which can promptly detect defects such as missed coating, over-coating, and uneven coating. This real-time feedback mechanism allows operators to immediately adjust the glue application parameters or handle products with defects, preventing defective products from flowing into the next process, reducing scrap rate, and lowering production costs. At the same time, the automated glue application and inspection process reduces manual operation links, lowers labor costs, and improves production efficiency. Attached Figure Description
[0018] Figure 1 This is a schematic diagram of the overall structure of a molding device for a keyboard flexible board according to the present invention.
[0019] Figure 2 This is a split view of the column of a molding device for a keyboard flexible board according to the present invention.
[0020] Figure 3 This is a split view of the rear plate of a molding device for a keyboard flexible circuit board according to the present invention.
[0021] Figure 4 This is a split view of the front panel of a molding device for a keyboard flexible circuit board according to the present invention.
[0022] Figure 5 This is an exploded view of the glue application box of a molding device for a flexible keyboard board according to this utility model.
[0023] In the diagram: 1. Column; 2. Rear plate; 3. Front plate; 4. Glue application box; 5. Conveyor belt; 6. Control panel; 7. Screw groove; 8. Bidirectional screw; 9. Screw motor; 10. Movable block; 11. Screw hole; 12. Upper baffle; 13. Lower baffle; 14. Glue application nozzle; 15. Groove; 16. Glue delivery hose; 17. Upper electric push rod; 18. Lower electric push rod; 19. Hole; 20. Slide groove; 21. Upper movable block; 22. Upper pulley; 23. Upper connecting rod; 24. Upper fixed block; 25. Lower fixed block; 26. Lower connecting rod; 27. Lower movable block; 28. Lower pulley; 29. Partition; 30. Industrial inspection camera. Detailed Implementation
[0024] This utility model provides, for example Figures 1-5 The molding device for a keyboard flexible circuit board shown includes a column 1, a rear plate 2 installed in front of the column 1, a front plate 3 installed on the front surface of the rear plate 2, and an adhesive box 4 installed in front of the front plate 3. The adhesive box 4 is placed in front of the front plate 3. This compact and reasonable layout allows the components to fit together closely in space, which not only saves floor space but also improves the overall stability of the equipment.
[0025] A hole 19 is provided at the center of the front panel 3. Slide grooves 20 are provided on both sides of the hole 19. An upper electric push rod 17 is installed above the slide grooves 20, and a lower electric push rod 18 is installed below the slide grooves 20. An upper movable block 21 is installed at the upper position inside the slide grooves 20. An upper pulley 22 is installed on the upper movable block 21 and is located inside the slide grooves 20. The output end of the upper electric push rod 17 is fixedly connected to the upper movable block 21. An upper connecting rod 23 is installed inside the upper movable block 21. An upper fixed block 24 is installed at the lower end of the upper connecting rod 23. An glue applicator 4 is fixedly installed on the front surface of the upper fixed block 24. This design not only allows for flexible and precise control of the position of the glue applicator 4 to meet the glue application process requirements of different specifications of keyboard flexible boards, but also has high reliability and durability.
[0026] A lower movable block 27 is installed at the lower part of the slide 20. A lower sliding wheel 28 is installed on the lower movable block 27. The lower sliding wheel 28 is located inside the slide 20. The output end of the lower electric push rod 18 is fixedly connected to the lower movable block 27. A lower connecting rod 26 is installed inside the lower movable block 27. A lower fixed block 25 is installed at the upper end of the lower connecting rod 26. An adhesive box 4 is fixedly installed on the front surface of the lower fixed block 25.
[0027] Furthermore, an upper baffle 12 is installed near the top of the front surface of the glue application box 4, and a lower baffle 13 is installed below the upper baffle 12. Both the upper baffle 12 and the lower baffle 13 are fixed with screws and are designed to be detachable, which facilitates the maintenance and replacement of the glue application nozzle 14 and the industrial inspection camera 30. A partition 29 is installed inside the glue application box 4. The glue application nozzle 14 is installed above the partition 29, and the industrial inspection camera 30 is installed below the partition 29. The glue application box 4 adopts a layered design. The glue application nozzle 14 in the upper layer is responsible for the precise spraying of glue, and the industrial inspection camera 30 in the lower layer monitors the glue application effect in real time.
[0028] Furthermore, a movable block 10 is fixedly installed on the rear surface of the rear plate 2. A screw hole 11 is provided on the movable block 10. A groove 15 is provided on the front surface of the rear plate 2. A glue delivery hose 16 is installed in the groove 15. The design of the groove 15 not only provides protection for the glue delivery hose 16, but also facilitates its maintenance and replacement.
[0029] Furthermore, a lead screw motor 9 is installed on the upper surface of the column 1, and a lead screw groove 7 is opened on the column 1. A bidirectional lead screw 8 is installed inside the lead screw groove 7. The bidirectional lead screw 8 is connected to the lead screw motor 9 for transmission, and the bidirectional lead screw 8 passes through the lead screw hole 11.
[0030] Furthermore, a conveyor belt 5 is installed on the lower surface of the column 1, and a control panel 6 is installed on the conveyor belt 5.
[0031] Furthermore, the glue delivery hose 16 passes through the hole 19 and connects to the glue spray nozzle 14.
[0032] In operation, the lead screw motor 9 drives the bidirectional lead screw 8 to move the glue applicator 4 up and down, expanding the working coverage of the glue applicator and increasing its applicability. The coordinated use of the upper electric push rod 17 and the lower electric push rod 18 can extend and retract the glue applicator 4. At the same time, the glue delivery hose 16 assists in conveying glue, realizing coordinated control of multi-axis motion. This coordinated operation can precisely plan the glue application path and speed according to the shape, size, and glue application process requirements of the keyboard flexible circuit board, ensuring uniform and accurate glue application even on complex-shaped keyboard flexible circuit boards, improving product yield, and solving the glue application problems of some existing glue application equipment. Unstable glue output can easily lead to over-application, causing glue to overflow and contaminate other parts, or under-application, resulting in weak connections. During use, the industrial inspection camera 30 uses image recognition technology to monitor the glue application area in real time and compare it with a preset standard image. It can promptly detect defects such as missed application, over-application, and uneven glue application. This real-time feedback mechanism allows operators to immediately adjust the glue application parameters or handle defective products, preventing defective products from flowing into the next process, reducing scrap rate, and lowering production costs. At the same time, the automated glue application and inspection process reduces manual operation steps, lowers labor costs, and improves production efficiency.
Claims
1. A forming device for a keyboard flex, comprising a column (1), characterised in that: The post (1) front is equipped with a rear plate (2), the front surface of the rear plate (2) is equipped with a front plate (3), and the front of the front plate (3) is equipped with a glue coating box (4); The front plate (3) is provided with a hole (19) at the center position, and sliding grooves (20) are formed at both sides of the hole (19). An upper electric push rod (17) is installed above the sliding groove (20), and a lower electric push rod (18) is installed below the sliding groove (20). An upper movable block (21) is installed inside the sliding groove (20) at the upper position, an upper pulley (22) is installed on the upper movable block (21), and the upper pulley (22) is located inside the sliding groove (20). The output end of the upper electric push rod (17) is fixedly connected with the upper movable block (21), an upper connecting rod (23) is installed in the upper movable block (21), and an upper fixed block (24) is installed at the lower end position of the upper connecting rod (23). The front surface of the upper fixed block (24) is fixedly installed with the glue coating box (4). A lower movable block (27) is installed inside the sliding groove (20) at the lower position, a lower pulley (28) is installed on the lower movable block (27), and the lower pulley (28) is located inside the sliding groove (20). The output end of the lower electric push rod (18) is fixedly connected with the lower movable block (27), a lower connecting rod (26) is installed in the lower movable block (27), and a lower fixed block (25) is installed at the upper end position of the lower connecting rod (26). The front surface of the lower fixed block (25) is fixedly installed with the glue coating box (4).
2. A forming device for a keyboard membrane according to claim 1, characterized in that: An upper baffle (12) is installed on the front surface of the glue coating box (4) near the upper position, a lower baffle (13) is installed below the upper baffle (12), a partition plate (29) is installed inside the glue coating box (4), a glue spraying head (14) is installed above the partition plate (29), and an industrial detection camera (30) is installed below the partition plate (29).
3. A forming device for a flexible keyboard plate according to claim 2, characterized in that: The rear surface of the rear plate (2) is fixedly installed with a movable block (10), a screw hole (11) is formed in the movable block (10), and a recess (15) is formed in the front surface of the rear plate (2). The glue feeding hose (16) is arranged in the recess (15).
4. A forming device for a keyboard membrane according to claim 3, characterized in that: A screw rod motor (9) is installed on the upper surface of the post (1), a screw rod groove (7) is formed in the post (1), a bidirectional screw rod (8) is installed in the screw rod groove (7), and the bidirectional screw rod (8) is in transmission connection with the screw rod motor (9). The bidirectional screw rod (8) penetrates the screw hole (11).
5. A forming device for a keyboard membrane according to claim 4, characterized in that: A conveying belt (5) is installed on the lower surface of the post (1), and a control panel (6) is installed on the conveying belt (5).
6. A forming device for a keyboard membrane according to claim 5, characterized in that: The glue feeding hose (16) penetrates the hole (19) and is connected with the glue spraying head (14).