Liquid crystal screen FPC bending mold
By designing a bending mold for LCD screen FPCs and utilizing the coordination of the arc adjustment component, the adjusting screw, and the positioning collar, precise positioning of the bending degree of the FPC is achieved. This solves the problem of the inability to precisely control the bending degree in existing technologies, improves the versatility and flexibility of the equipment, and ensures the realization of high-precision arc and operational stability.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- ZHONGXIN TECHNOLOGY (SHANXI) CO LTD
- Filing Date
- 2025-06-26
- Publication Date
- 2026-07-21
AI Technical Summary
Existing LCD screen FPC bending molds cannot precisely control the degree of bending, making it difficult to meet the high-precision requirements of curvature. They also lack versatility and flexibility, and cannot adapt to different models and bending needs.
A bending mold for LCD screen FPC was designed, comprising components such as a worktable, connecting rod, fixing collar, auxiliary rotating shaft and first gear. Through the cooperation of the arc adjustment component and the adjusting screw with the positioning collar, the bending degree of the FPC can be accurately positioned, and the power is transmitted by the drive motor and power transmission belt to achieve precise bending.
It achieves high-precision curvature control of LCD FPC, improves the versatility and flexibility of the equipment, ensures the safety and stability of operation, simplifies the operation process, and improves production consistency and work efficiency.
Smart Images

Figure CN224538415U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of LCD screen processing technology, and in particular to an LCD screen FPC bending mold. Background Technology
[0002] A liquid crystal display (LCD) FPC bending die is a device specifically designed for bending flexible printed circuit boards (FPCs) for liquid crystal displays. Its main functions include precise bending, improving product consistency and yield, simplifying operation and reducing costs, adapting to modern smart manufacturing trends, and enhancing the industrial production technology level of liquid crystal displays. This die ensures high precision and consistency in FPC bending through precise design, which helps reduce production costs and promotes technological progress and product innovation.
[0003] A search revealed that the document with publication number "CN221995719U" mentions "This utility model relates to a bending device for an LCD screen FPC; the bending device includes a base, a support platform fixed to the base, a bending component, and a driving component; the top surface of the support platform is used to fix the workpiece to be bent, and the bottom surface is provided with a first inclined surface, which intersects the top surface at a first side, and the first side extends along a first direction; the bending component is arranged opposite to the support platform in a second direction, which is perpendicular to the first direction; the bending component includes a rotating part and a pressing block, the free end of the pressing block being a wedge-shaped block; the pressing block is configured such that when the rotating part is in the first position, the tip of the wedge-shaped block abuts against the first side; when the rotating part rotates to the second position..." The second inclined surface of the wedge block abuts against the first inclined surface; the driving component is used to drive the bending component to move along the second direction. This utility model offers higher precision, better product consistency, and higher yield after bending. Bending can be quickly achieved through the pressing of the two inclined surfaces. It has a simple structure, is easy to operate, and has lower cost. However, while the device offers higher precision and better product consistency after bending, and can quickly achieve bending through the pressing of the two inclined surfaces, it cannot precisely control the degree of bending of the LCD FPC, making it difficult to meet the high-precision curvature requirements. The device also lacks versatility and flexibility, and cannot adapt to different models and bending requirements of FPCs.
[0004] To address these issues, we provide a bending die for LCD screen FPCs. Utility Model Content
[0005] This application provides a bending mold for LCD screen FPC, which solves the problems of being unable to accurately control the bending degree of LCD screen FPC, difficulty in meeting the high-precision curvature requirements, poor versatility and flexibility of the device, and inability to adapt to different models and bending requirements of FPC.
[0006] This application provides a bending mold for LCD screen FPC, including a worktable, a connecting rod, a fixing collar, an auxiliary rotating shaft and a first gear. The upper end of the worktable is fixedly connected to the connecting rod, and the upper end of the connecting rod is fixedly connected to an arc adjustment component.
[0007] Preferably, a fixing collar is fixedly connected to the upper surface of the connecting rod, an auxiliary rotating shaft is provided on the inner side of the fixing collar, and a first gear is fixedly connected to the other end of the auxiliary rotating shaft.
[0008] Preferably, a second gear is meshed with one side of the first gear, a conveying shaft is provided on the inner side of the second gear, a connecting collar is sleeved on the surface of the conveying shaft, a power transmission belt is sleeved on the surface of the connecting collar, and a drive motor is provided on the inner side of the power transmission belt.
[0009] Preferably, a support rod is fixedly connected to the upper end of the connecting rod, a connecting top plate is fixedly connected to the upper end of the support rod, and a positioning collar is fixedly connected to the upper end of the connecting top plate.
[0010] Preferably, an adjusting screw is provided on the inner side of the positioning collar, a connecting block is fixedly connected to the upper end of the adjusting screw, an adjusting handle is fixedly connected to one side of the connecting block, and a connecting base plate is provided at the lower end of the adjusting screw.
[0011] Preferably, an adjusting collar is fixedly connected to the lower end of the connecting base plate, an adjusting rod is provided on the inner side of the adjusting collar, and a connecting base is fixedly connected to one end of the adjusting rod.
[0012] Preferably, an adjustment groove is provided on the outer side of the connecting base, a limit plate is provided on the outer side of the adjustment groove, an adjustment plate is provided below the connecting base, an adjustment hole is provided on the surface of the adjustment plate, a fixing pin is provided on the inner side of the adjustment hole, a fixing plate is provided on the outer side of the fixing pin, and the fixing plate is fixedly connected to the rear side of the limit plate.
[0013] As can be seen from the above technical solution, this application provides a bending mold for LCD screen FPCs. In use, firstly, the LCD screen FPC to be bent is placed on the worktable. Then, the operator adjusts the position of the adjusting screw by rotating the adjusting handle, thereby adjusting the bending degree of the FPC. The adjusting rod moves up and down according to the required curvature and is fixed in position by the adjusting holes and fixing pins on the adjusting plate. The drive motor starts, and power is transmitted to the conveyor shaft via a power transmission belt. The rotation of the conveyor shaft transmits power through the meshing connection of the second gear and the first gear, realizing the bending of the FPC. After bending is completed, the drive motor is stopped, and the finished product is removed. Through these steps, the mold can accurately bend LCD screen FPCs to meet the requirements of different curvatures, thus completing the use of an LCD screen FPC bending mold.
[0014] Compared with the prior art, the beneficial effects of this utility model are:
[0015] 1. By setting up the curvature adjustment component and cooperating with the adjusting screw and positioning collar, the precise positioning of the bending degree of the LCD screen FPC is achieved, ensuring that even the curvature with high precision requirements can be accurately achieved. Operators can easily adjust the position of the screw by manually rotating the adjustment handle on the connecting block, changing the height of the base plate to adapt to different models and bending requirements of FPC, which greatly improves the versatility and flexibility of the equipment. At the same time, the adjusting collar ensures the stability of the adjusting rod when moving up and down, preventing quality problems caused by shaking or offset. This design not only simplifies the operation process, but also enhances the stability and adaptability of the system, providing strong support for precise control.
[0016] 2. The limiting plate, adjusting plate, adjusting hole, fixing pin, and fixing plate provide a safe and reliable fixation and boundary for the adjusting rod, ensuring its operation within the set range, thereby guaranteeing the safety and stability of operation. The combination of adjusting hole and fixing pin allows for quick and precise locking of the adjusting rod's position, ensuring that each bend achieves the expected effect, increasing production consistency and reliability. In addition, the connection between the fixing plate and the limiting plate enhances the structural strength of the entire system, making the device more robust and durable, simplifying the adjustment process, improving work efficiency, and ensuring high-quality product output.
[0017] In summary, this application achieves precise positioning of the bending degree of the LCD screen FPC by adjusting the lead screw and the positioning collar, ensuring that even high-precision curvature can be accurately achieved. Operators can easily adjust the position of the lead screw and change the height of the base plate by manually rotating the adjustment handle on the connecting block to adapt to different models and bending requirements of FPC, greatly improving the versatility and flexibility of the equipment. Attached Figure Description
[0018] To more clearly illustrate the technical solution of this application, the accompanying drawings used in the implementation examples will be briefly introduced below. Obviously, for those skilled in the art, other drawings can be obtained from these drawings without any creative effort.
[0019] Figure 1 This is a schematic diagram of the overall appearance structure proposed in this utility model;
[0020] Figure 2 This is a schematic diagram of the overall one-side structure proposed in this utility model;
[0021] Figure 3 This is a schematic diagram of the working mechanism structure proposed in this utility model;
[0022] Figure 4The present utility model proposes Figure 3 A magnified schematic diagram of the A-structure.
[0023] In the diagram: 1. Workbench; 2. Connecting rod; 3. Fixing collar; 4. Auxiliary rotating shaft; 5. First gear; 6. Second gear; 7. Conveyor shaft; 8. Connecting collar; 9. Power transmission belt; 10. Drive motor; 11. Arc adjustment assembly; 1101. Support rod; 1102. Connecting top plate; 1103. Positioning collar; 1104. Adjusting screw; 1105. Connecting block; 1106. Adjusting handle; 1107. Connecting base plate; 1108. Adjusting collar; 1109. Adjusting rod; 1110. Connecting base; 12. Adjusting groove; 13. Limiting plate; 14. Adjusting plate; 15. Adjusting hole; 16. Fixing pin; 17. Fixing plate. Detailed Implementation
[0024] To enable those skilled in the art to better understand the technical solutions in this application, the technical solutions in the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings.
[0025] See Figure 1-4 A bending mold for LCD screen FPC includes a worktable 1, a connecting rod 2, a fixing collar 3, an auxiliary rotating shaft 4, and a first gear 5. The upper end of the worktable 1 is fixedly connected to the connecting rod 2. The worktable 1 serves as the basic platform of the entire device, providing a stable working surface for supporting and fixing other components. The connecting rod 2 provides support. The upper end of the connecting rod 2 is fixedly connected to an arc adjustment component 11, which consists of multiple parts for adjusting the bending angle and shape of the FPC.
[0026] In this utility model, a fixing collar 3 is fixedly connected to the upper surface of the connecting rod 2, and an auxiliary rotating shaft 4 is provided on the inner side of the fixing collar 3. The fixing collar 3 is installed on the connecting rod 2 to fix the auxiliary rotating shaft 4 and ensure that it can rotate stably. The other end of the auxiliary rotating shaft 4 is fixedly connected to a first gear 5. The auxiliary rotating shaft 4 works in conjunction with the first gear 5 to transmit force through rotation, thereby playing a role in stabilizing rotation.
[0027] In this utility model, a second gear 6 is meshed with one side of the first gear 5, a conveying shaft 7 is provided inside the second gear 6, a connecting collar 8 is sleeved on the surface of the conveying shaft 7, a power transmission belt 9 is sleeved on the surface of the connecting collar 8, a drive motor 10 is provided inside the power transmission belt 9, and the drive motor 10 transmits power to the conveying shaft 7 through the power transmission belt 9. The conveying shaft 7 is used to convey the panel that needs to be bent.
[0028] In this utility model, a support rod 1101 is fixedly connected to the upper end of the connecting rod 2. The support rod 1101 extends upward from the connecting rod 2 to support the connecting top plate 1102. The connecting top plate 1102 is fixedly connected to the upper end of the support rod 1101. A positioning collar 1103 is fixedly connected to the upper end of the connecting top plate 1102. The connecting top plate 1102 is located at the top of the support rod 1101 and is used to fix the positioning collar 1103.
[0029] In this invention, an adjusting screw 1104 is provided on the inner side of the positioning collar 1103. The adjusting screw 1104 is used to precisely position the adjusting screw 1104. A connecting block 1105 is fixedly connected to the upper end of the adjusting screw 1104. An adjusting handle 1106 is fixedly connected to one side of the connecting block 1105. The connecting block 1105 and the adjusting handle 1106 are allowed to be manually rotated by the operator to adjust the position of the adjusting screw 1104. A connecting base plate 1107 is provided at the lower end of the adjusting screw 1104. The adjusting screw 1104 can be moved up and down by rotation, thereby adjusting the height of the connecting base plate 1107 and thus affecting the bending degree of the FPC.
[0030] In this utility model, an adjusting collar 1108 is fixedly connected to the lower end of the connecting base plate 1107. The lower end of the connecting base plate 1107 is connected to the adjusting screw 1104 and the adjusting collar 1108, and moves up and down as the adjusting screw 1104 moves. An adjusting rod 1109 is provided on the inner side of the adjusting collar 1108. One end of the adjusting rod 1109 is fixedly connected to the connecting base 1110. The adjusting collar 1108 wraps around the adjusting rod 1109 to keep the position of the adjusting rod 1109 stable. One end of the adjusting rod 1109 is fixed on the connecting base 1110, and the other end is inserted into the adjusting collar 1108 for the up and down movement of the connecting base 1110.
[0031] In this utility model, an adjustment groove 12 is provided on the outer side of the connecting base 1110. The adjustment groove 12 provides adjustment capability for the adjustment rod 1109, which can be adjusted to meet different curvature requirements by moving up and down. A limit plate 13 is provided on the outer side of the adjustment groove 12 for fixing and limiting. An adjustment plate 14 is provided below the connecting base 1110. An adjustment hole 15 is opened on the surface of the adjustment plate 14. A fixing pin 16 is provided on the inner side of the adjustment hole 15. A fixing plate 17 is provided on the outer side of the fixing pin 16. The fixing plate 17 is fixedly connected to the rear side of the limit plate 13. The adjustment plate 14 and the fixing plate 17 fix the position of the adjustment rod 1109 through the adjustment hole 15 and the fixing pin 16 to prevent it from moving.
[0032] As can be seen from the above technical solution, in use, firstly, the LCD screen FPC to be bent is placed on the workbench 1. Then, the operator adjusts the position of the adjusting screw 1104 by rotating the adjusting handle 1106, thereby adjusting the degree of bending of the FPC. The adjusting rod 1109 moves up and down according to the required curvature and is fixed in position by the adjusting hole 15 and the fixing pin 16 on the adjusting plate 14. The drive motor 10 is started, and the power is transmitted to the conveyor shaft 7 through the power transmission belt 9. The rotation of the conveyor shaft 7 transmits power through the meshing connection of the second gear 6 and the first gear 5 to realize the bending of the FPC. After bending is completed, the drive motor 10 is stopped and the finished product is taken out. Through these steps, the mold can accurately bend the LCD screen FPC to meet the requirements of different curvatures, thus completing the use of an LCD screen FPC bending mold.
[0033] Other embodiments of this application will readily occur to those skilled in the art upon consideration of the specification and practice of the application disclosed herein. This application is intended to cover any variations, uses, or adaptations of this application that follow the general principles of this application and include common knowledge or customary techniques in the art not disclosed herein. The specification and examples are to be considered exemplary only, and the true scope of this application is indicated by the claims.
[0034] It should be understood that this application is not limited to the precise structure described above and shown in the accompanying drawings, and various modifications and changes can be made without departing from its scope. The above embodiments of this application do not constitute a limitation on the scope of protection of this application.
Claims
1. A bending mold for a liquid crystal display FPC, comprising a worktable (1), a connecting rod (2), a fixing collar (3), an auxiliary rotating shaft (4), and a first gear (5), characterized in that, A connecting rod (2) is fixedly connected to the upper end of the workbench (1), and an arc adjustment component (11) is fixedly connected to the upper end of the connecting rod (2).
2. The LCD screen FPC bending mold according to claim 1, characterized in that, A fixing collar (3) is fixedly connected to the upper surface of the connecting rod (2), and an auxiliary rotating shaft (4) is provided on the inner side of the fixing collar (3). A first gear (5) is fixedly connected to the other end of the auxiliary rotating shaft (4).
3. The LCD screen FPC bending mold according to claim 2, characterized in that, A second gear (6) is meshed with one side of the first gear (5). A conveying shaft (7) is provided on the inner side of the second gear (6). A connecting collar (8) is sleeved on the surface of the conveying shaft (7). A power transmission belt (9) is sleeved on the surface of the connecting collar (8). A drive motor (10) is provided on the inner side of the power transmission belt (9).
4. The LCD screen FPC bending mold according to claim 1, characterized in that, The upper end of the connecting rod (2) is fixedly connected to a support rod (1101), the upper end of the support rod (1101) is fixedly connected to a connecting top plate (1102), and the upper end of the connecting top plate (1102) is fixedly connected to a positioning collar (1103).
5. A bending mold for a liquid crystal display FPC according to claim 4, characterized in that, An adjusting screw (1104) is provided on the inner side of the positioning collar (1103). A connecting block (1105) is fixedly connected to the upper end of the adjusting screw (1104). An adjusting handle (1106) is fixedly connected to one side of the connecting block (1105). A connecting base plate (1107) is provided at the lower end of the adjusting screw (1104).
6. The LCD screen FPC bending mold according to claim 5, characterized in that, An adjusting collar (1108) is fixedly connected to the lower end of the connecting base plate (1107). An adjusting rod (1109) is provided on the inner side of the adjusting collar (1108). One end of the adjusting rod (1109) is fixedly connected to a connecting base (1110).
7. A bending mold for a liquid crystal display FPC according to claim 6, characterized in that, An adjustment groove (12) is provided on the outer side of the connecting base (1110), and a limiting plate (13) is provided on the outer side of the adjustment groove (12). An adjustment plate (14) is provided below the connecting base (1110). An adjustment hole (15) is provided on the surface of the adjustment plate (14). A fixing pin (16) is provided on the inner side of the adjustment hole (15). A fixing plate (17) is provided on the outer side of the fixing pin (16). The fixing plate (17) is fixedly connected to the rear side of the limiting plate (13).