A fixed-length cutting device for FFC line production
By introducing a positioner and sensing rod-based sensing positioning system and a cylinder-driven clamping block design into the FFC wire production equipment, the problems of low cutting accuracy and poor dimensional consistency were solved, achieving high-precision fixed-length cutting and improving production safety and automation.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- CHENZHOU TSUJIMOTO ELECTRONICS CO LTD
- Filing Date
- 2025-08-01
- Publication Date
- 2026-06-19
AI Technical Summary
Existing FFC wire cutting equipment suffers from low cutting accuracy, poor dimensional consistency, susceptibility to errors during manual operation, and safety hazards.
Design a fixed-length cutting device for FFC production line, which adopts a sensor positioning system composed of a positioner and a sensor rod, combined with a controller for data feedback control, a cylinder-driven clamping block to clamp the wire, and a cutter driven by a cylinder to perform precise cutting. It is equipped with an adjustable limit block and a groove structure to achieve automated production, adapt to rolling of different thicknesses, and has a discharge frame.
It achieves high-precision fixed-length cutting of the cutting equipment, ensuring the consistency of FFC wire length and improving the safety and automation level of production.
Smart Images
Figure CN224374192U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of FFC line cutting equipment, and in particular to a fixed-length cutting equipment for FFC line production. Background Technology
[0002] Flexible flat cables (FFCs) are widely used in internal connections of electronic devices such as laptops, LCD monitors, printers, digital cameras, and industrial control equipment due to their advantages of being lightweight, thin, flexible, and compact. As electronic products become increasingly lightweight, miniaturized, and highly integrated, the processing precision and consistency requirements for FFCs are rising. Length cutting is a crucial step in FFC production, directly impacting subsequent assembly efficiency and product quality. Currently, FFC cutting methods mainly include manual measurement and cutting, semi-automatic mechanical cutting, and some CNC cutting equipment. However, manual operation relies on experience to judge length, making it susceptible to human error and resulting in inconsistent cutting lengths. Even with rulers for measurement, it's difficult to meet the stringent matching requirements of high-precision electronic products for FFCs. During cutting, operators frequently come into contact with sharp tools, posing a risk of cuts; this safety hazard is particularly pronounced on high-speed production lines.
[0003] To address the aforementioned issues, a fixed-length cutting device for FFC production lines needs to be designed. Utility Model Content
[0004] In order to overcome the shortcomings of low cutting accuracy and poor dimensional consistency, this utility model provides a fixed-length cutting device for FFC line production.
[0005] The technical implementation scheme of this utility model is as follows: a fixed-length cutting device for FFC line production, including a worktable, support columns, feeding rack, electric slide rail, sliding frame, first cylinder, clamping block, support frame, second cylinder, cutter, positioner, ruler, sensing rod and controller. Four support columns are fixedly connected to the bottom of the worktable. The feeding rack is fixedly connected to the top left side of the worktable. Two electric slide rails are fixedly connected to the top right side of the worktable. Sliding frames are slidably connected to the electric slide rails near the center end. First cylinders are fixedly connected to the upper and lower ends of the inner sides of the two sliding frames. Clamping blocks are fixedly connected between the movable plugs of the first cylinders near the center end on the same side. The support frame is fixedly connected to the middle of the worktable. Two second cylinders are fixedly connected to the bottom of the support frame. A cutter is fixedly connected between the bottoms of the two second cylinders. The positioner is fixedly connected to the front side of the sliding frame. The ruler is fixedly connected to the front right side of the worktable. The sensing rod is fixedly connected to the rear side of the ruler. The controller is fixedly connected to the front left side of the worktable. The controller is electrically connected to the first cylinder, second cylinder, positioner and sensing rod.
[0006] Optionally, it also includes bearings and a rotating cylinder, with the rotating cylinder rotatably connected to the front side of the feeding frame, and two bearings provided between the rotating cylinder and the feeding frame.
[0007] Optionally, it also includes a limiting component, with multiple slots on the rotating cylinder, one of which is slidably engaged with the limiting component.
[0008] Optionally, it also includes support blocks, rollers and a motor. Two support blocks are fixedly connected to the middle of the worktable. A roller is rotatably connected between the two support blocks at the top. A roller is slidably connected between the two support blocks at the bottom. A motor is fixedly connected to the upper part of the front support block. The output shaft of the motor is fixedly connected to the front side of the upper roller. The controller is electrically connected to the motor.
[0009] Optionally, it also includes a limiting block, with the lower roller slidably connected to the front side of the limiting block, and the front support block having multiple grooves corresponding to the limiting block.
[0010] Optionally, it also includes a discharge frame, which is fixedly connected to the bottom right side of the worktable.
[0011] Beneficial effects: 1. This utility model, by setting up a sensing positioning system composed of a locator and a sensing rod, and combining it with a controller for data feedback control, can accurately determine the position of the wire and automatically execute the cutting action, effectively ensuring that the length of each FFC wire is consistent and meeting the assembly requirements of precision electronic products.
[0012] 2. This utility model is equipped with an adjustable limiting block and groove matching structure, which can flexibly adjust the distance between the upper and lower rollers according to FFC wires of different thicknesses; at the same time, the rotating cylinder is equipped with limiting parts and multiple slots to facilitate the adaptation of wires of different widths and enhance the equipment's compatibility with various specifications of products.
[0013] 3. In this utility model, the clamping block is driven by the first cylinder to close and clamp the wire, preventing deviation or shaking during the cutting process; the cutter is driven by the second cylinder to press down, with fast response speed and uniform pressure, ensuring stable and controllable cutting action and avoiding defective products caused by mechanical errors.
[0014] 4. This utility model is equipped with a discharge frame, which is located at the bottom right side of the workbench. The cut wire can automatically fall into the discharge frame, which is convenient for centralized collection and classification packaging, reduces manual handling, and improves the continuity and automation level of the production process. Attached Figure Description
[0015] Figure 1 This is a three-dimensional structural diagram of the present invention.
[0016] Figure 2 This is a three-dimensional structural diagram of the components of this utility model, including the fixing block, the placement rod, and the bearing.
[0017] Figure 3 This is a three-dimensional structural diagram of the limiting component, electric slide rail, and sliding frame of this utility model.
[0018] Figure 4 This is a three-dimensional sectional view of the components of this utility model, including the limiting block, support frame, and second cylinder.
[0019] Figure 5 This is a three-dimensional structural diagram of the ruler and sensing rod of this utility model.
[0020] In the attached diagram: 1-Workbench, 2-Support column, 3-Discharge rack, 4-Bearing, 5-Rotating cylinder, 6-Limiting component, 7-Electric slide rail, 8-Sliding frame, 9-First cylinder, 10-Clamping block, 11-Supporting block, 12-Roller, 13-Motor, 14-Limiting block, 15-Supporting frame, 16-Second cylinder, 17-Cutter, 18-Positioner, 19-Scale block, 20-Sensing rod, 21-Discharge frame, 22-Controller. Detailed Implementation
[0021] Example: A fixed-length cutting device for FFC production line, such as... Figures 1-5 As shown, the system includes a workbench 1, support columns 2, a feeding rack 3, electric slide rails 7, sliding frames 8, a first cylinder 9, a clamping block 10, a support frame 15, a second cylinder 16, a cutter 17, a positioner 18, a ruler 19, a sensing rod 20, and a controller 22. Four support columns 2 are welded to the bottom of the workbench 1. A feeding rack 3 is welded to the top left side of the workbench 1. Two electric slide rails 7 are bolted to the top right side of the workbench 1. Sliding frames 8 are slidably connected to the electric slide rails 7 near their center ends. First cylinders 9 are installed at both the upper and lower ends of the inner sides of the two sliding frames 8. The movable plugs of the first cylinders 9 on the same side near their center ends are fixed together. A clamping block 10 is fixedly connected. A support frame 15 is bolted to the middle of the worktable 1. Two second cylinders 16 are installed at the bottom of the support frame 15. A cutter 17 is fixedly connected between the bottoms of the two second cylinders 16. A locator 18 is installed on the front side of the sliding frame 8. A ruler block 19 is fixedly connected to the front right side of the worktable 1 by bolts. A sensing rod 20 is installed on the rear side of the ruler block 19 to sense the position of the locator 18 and thus determine the cutting length. A controller 22 is fixedly connected to the front left side of the worktable 1 by bolts. The controller 22 is electrically connected to the first cylinder 9, the second cylinder 16, the locator 18 and the sensing rod 20.
[0022] like Figure 2 As shown, it also includes a bearing 4 and a rotating cylinder 5. The rotating cylinder 5 is rotatably connected to the front side of the feeding rack 3, and two bearings 4 are provided between the rotating cylinder 5 and the feeding rack 3.
[0023] like Figure 2As shown, it also includes a limiting member 6. The rotating cylinder 5 has multiple slots, one of which is slidably engaged with the limiting member 6.
[0024] like Figure 1 and Figure 4 As shown, it also includes a support block 11, a roller 12 and a motor 13. Two support blocks 11 are fixedly connected to the middle of the worktable 1 by bolts. A roller 12 is rotatably connected between the two support blocks 11 at the top and slidably connected between the two support blocks 11 at the bottom. A motor 13 is fixedly connected to the upper part of the front support block 11 by bolts. The output shaft of the motor 13 is fixedly connected to the front of the upper roller 12. The controller 22 is electrically connected to the motor 13.
[0025] like Figure 4 As shown, it also includes a limiting block 14. The lower roller 12 is slidably connected to the limiting block 14 on the front side. The front support block 11 has multiple grooves corresponding to the limiting block 14, so as to adjust the height of the lower roller 12.
[0026] like Figure 1 As shown, it also includes a discharge frame 21, which is welded to the bottom right side of the workbench 1.
[0027] When this device is needed to perform fixed-length cutting of FFC wire, first remove the limiting piece 6 from the rotating drum 5, install the FFC wire roll to be cut on the rotating drum 5 on the feeding rack 3, and use the bearing 4 to achieve smooth rotation and release of the wire roll. Multiple FFC wire rolls can be placed. Then insert the limiting piece 6 into the corresponding slot in the rotating drum 5 so that it fits against the foremost FFC wire roll to prevent the wire from shifting. After the operator leads the wire out from the rotating drum 5, it passes between the upper and lower rollers 12 to prepare for subsequent automatic feeding. According to the wire thickness, the limiting block 14 is moved forward and then moved up and down for adjustment, and then moved backward to insert it into the corresponding groove on the support block 11. Adjust the height of the lower roller 12 to ensure that the feeding process is stable and reliable.
[0028] The controller 22 starts the motor 13, driving the upper roller 12 to rotate. The lower roller 12 adjusts its height according to the thickness of the wire, forming a stable clamping force to push the wire forward. The controller 22 then controls the electric slide rail 7 to move, causing the sliding frame 8 to move to the right side of the roller 12 along the guide rail. Then, the controller 22 activates the first cylinder 9 and the positioner 18, causing the clamping block 10 to close and clamp both ends of the wire to prevent displacement during cutting. The positioner 18 moves with the sliding frame 8, and the sensing rod 20 detects its position change. The controller 22 determines the current length of the wire based on this, ensuring accurate length setting. Once the positioning is confirmed and the specified length is reached, the controller 22 activates the second cylinder 16, causing the cutter 17 to quickly press down. The FFC wire is cut using a sharp blade 17, which, in conjunction with the pressure applied by the second cylinder 16, ensures a flat, burr-free, and non-delaminated cut surface, meeting the requirements of precision electronic assembly. Workers can also observe the ruler 19 to determine the length. The cut FFC wire segment falls into the discharge frame 21 under gravity or the action of an auxiliary push rod, facilitating manual handling or automated packaging. Then, the controller 22 resets the first cylinder 9 and the second cylinder 16, releases the clamping block 10, and returns the sliding frame 8 to its original position. The motor 13 continues to drive the roller 12 for feeding, repeating the process to achieve continuous production. After the operation is complete, the controller 22 shuts down the first cylinder 9, the second cylinder 16, the positioner 18, the sensor rod 20, and the motor 13.
Claims
1. A fixed-length cutting device for FFC production line, characterized in that: The system includes a workbench (1), support columns (2), a feeding rack (3), electric slide rails (7), a sliding frame (8), a first cylinder (9), a clamping block (10), a support frame (15), a second cylinder (16), a cutter (17), a positioner (18), a ruler (19), a sensor rod (20), and a controller (22). Four support columns (2) are fixedly connected to the bottom of the workbench (1). A feeding rack (3) is fixedly connected to the top left side of the workbench (1). Two electric slide rails (7) are fixedly connected to the top right side of the workbench (1). Sliding frames (8) are slidably connected to the electric slide rails (7) near their center ends. First cylinders (9) are fixedly connected to the upper and lower ends of the inner sides of the two sliding frames (8). The first cylinders (9) on the same side... Cylinder (9) is fixedly connected to the movable plug near the center end with clamping blocks (10). A support frame (15) is fixedly connected to the middle of the worktable (1). Two second cylinders (16) are fixedly connected to the bottom of the support frame (15). A cutter (17) is fixedly connected between the bottoms of the two second cylinders (16). A locator (18) is fixedly connected to the front of the sliding frame (8). A ruler (19) is fixedly connected to the front right side of the worktable (1). A sensor rod (20) is fixedly connected to the rear side of the ruler (19). A controller (22) is fixedly connected to the front left side of the worktable (1). The controller (22) is electrically connected to the first cylinder (9), the second cylinder (16), the locator (18), and the sensor rod (20).
2. A fixed-length cutting device for FFC line production according to claim 1, characterized in that: It also includes bearings (4) and rotating cylinder (5). The rotating cylinder (5) is rotatably connected to the front side of the feeding rack (3), and two bearings (4) are provided between the rotating cylinder (5) and the feeding rack (3).
3. A fixed-length cutting device for FFC line production according to claim 2, characterized in that: It also includes a limiting component (6), and the rotating cylinder (5) has multiple slots, one of which is slidably engaged with the limiting component (6).
4. A fixed-length cutting device for FFC line production according to claim 3, characterized in that: It also includes a support block (11), a roller (12) and a motor (13). Two support blocks (11) are fixedly connected in the middle of the worktable (1). A roller (12) is rotatably connected between the two support blocks (11) at the top. A roller (12) is slidably connected between the two support blocks (11) at the bottom. A motor (13) is fixedly connected to the upper part of the front support block (11). The output shaft of the motor (13) is fixedly connected to the front side of the upper roller (12). The controller (22) is electrically connected to the motor (13).
5. A fixed-length cutting device for FFC line production according to claim 4, characterized in that: It also includes a limiting block (14), the lower roller (12) is slidably connected to the limiting block (14) on the front side, and the front support block (11) has multiple grooves corresponding to the limiting block (14).
6. A fixed-length cutting device for FFC line production according to claim 5, characterized in that: It also includes a discharge frame (21), which is fixedly connected to the bottom right side of the workbench (1).