Flexible flat cable fixed-length cutting device

Abstract

The utility model discloses a flexible flat cable fixed-length cutting device which comprises a carrier plate, a cable pressing mechanism and a cutting mechanism for cutting a flexible flat cable, the cable pressing mechanism is located above the carrier plate, and the carrier plate is located above the cutting mechanism; a plurality of limiting grooves corresponding to the flexible flat cables are formed in the upper surface of the carrier plate, the two sides of the carrier plate are the feeding side and the limiting side respectively, the limiting side is provided with a cable stopping block, the cable stopping block is provided with a stopping block matched with the limiting grooves, and the cable stopping block can slide in the length direction of the limiting grooves; the wire pressing mechanism comprises a wire pressing plate, a lifting rod and a fixing plate, the fixing plate is connected with a plurality of guide rods, the guide rods penetrate through the wire pressing plate to be fixed with the carrier plate, a spring is arranged between the wire pressing plate and the fixing plate to enable the wire pressing plate to press the flexible flat cable, the guide rods are sleeved with the spring, and the wire pressing plate is fixed with the lifting rod. According to the utility model, after the flexible flat cable is placed in the limiting groove of the carrier plate, the flexible flat cable is pressed by the cable pressing mechanism, and then the flexible flat cable is cut by the cutting mechanism, so that the cutting uniformity is ensured.

Description

Technical Field

[0001] The utility model belongs to the technical field of flexible flat cable processing, and particularly relates to a flexible flat cable fixed-length cutting device. Background Art

[0002] Soft cables, also called flexible printed circuit boards, follow the industry specifications for wiring rules, line sequence, line color, line number, etc. They are used for data transmission within active parts and active areas, such as the data cable connecting the computer's internal motherboard to the hard drive and optical drive, the data cable connecting the mobile phone motherboard to the display, and the data cable connecting devices are collectively referred to as soft cables;

[0003] During the processing of flexible flat cables, they need to be cut. Usually, the length of the cable is measured and then cut manually. The product cut by manual operation has uneven cuts, which affects the quality of the flexible flat cables. Utility Model Content

[0004] The main technical problem solved by the utility model is to provide a fixed-length cutting device for flexible flat cables, which places the flexible flat cables in the limiting grooves of a carrier plate, uses a wire pressing mechanism to press the flexible flat cables, and then uses a cutting mechanism to cut the flexible flat cables to ensure the neatness of the cutting.

[0005] In order to solve the above technical problems, a technical solution adopted by the utility model is: a fixed-length cutting device for a flexible flat cable, comprising a carrier plate, a wire pressing mechanism and a cutting mechanism for cutting the flexible flat cable, wherein the wire pressing mechanism is located above the carrier plate, and the carrier plate is located above the cutting mechanism, after the flexible flat cable is placed in the limiting groove of the carrier plate, the wire pressing mechanism is used to press the flexible flat cable, and then the cutting mechanism cuts the flexible flat cable to ensure the neatness of the cutting;

[0006] The upper surface of the carrier plate is provided with a plurality of limiting grooves corresponding to the flexible flat cable, and the two sides of the carrier plate are respectively a feeding side and a limiting side, and the limiting side is provided with a wire blocking block, and the wire blocking block is provided with a blocking block matching the limiting groove, and the wire blocking block can slide along the length direction of the limiting groove;

[0007] The wire pressing mechanism includes a wire pressing plate, a lifting rod and a fixing plate, wherein the fixing plate is connected to a plurality of guide rods, the guide rods pass through the wire pressing plate and are fixed to the carrier plate, a spring is provided between the wire pressing plate and the fixing plate so that the wire pressing plate can press the flexible flat cable, the spring is sleeved on the guide rod, and the wire pressing plate is fixed to the lifting rod;

[0008] The cutting mechanism includes a cutting knife and a cutting cylinder that drives the cutting knife to cut the flexible flat cable. The cutting knife is fixed to a knife seat, and the knife seat is connected to the cutting cylinder. The cutting cylinder is fixed to a mounting bracket, and the mounting bracket is fixed to the lower surface of the carrier plate. The carrier plate is provided with a clearance groove corresponding to the cutting knife. The cutting mechanism is located below the carrier plate to prevent accidental injury to the operator to a certain extent.

[0009] Furthermore, the carrier plate is provided with a slide groove, and the wire blocking block is provided with a sliding block, the sliding block is located inside the slide groove, the cross-section of the slide groove is a structure in which the bottom surface is larger than the top surface, and the screw thread is connected to the sliding block and the surface of the carrier plate tightly, so as to facilitate the adjustment of the position of the wire blocking block to cut out flexible flat cables of different lengths.

[0010] Furthermore, a pressing line corresponding to the limiting groove is provided on the lower surface of the pressing plate, and two opposite side surfaces of the pressing line are inclined surfaces, which gradually incline toward the center of the pressing line from top to bottom.

[0011] Furthermore, the clearance groove runs through the upper and lower surfaces of the carrier board.

[0012] Furthermore, the mounting frame is provided with guide grooves corresponding to the two ends of the knife seat.

[0013] Furthermore, a support rod is provided on the lower surface of the carrier plate.

[0014] Furthermore, the two opposite side walls of the give way groove are guide surfaces, and the guide surfaces gradually incline toward the center of the give way groove along the direction in which the cutting knife cuts into the give way groove.

[0015] Furthermore, the lifting rod protrudes from the upper surface of the fixing plate.

[0016] The beneficial effects of the present invention include at least the following points:

[0017] The utility model comprises a carrier plate, a wire pressing mechanism and a cutting mechanism for cutting a flexible flat cable. The wire pressing mechanism is located above the carrier plate, and the carrier plate is located above the cutting mechanism. After the flexible flat cable is placed in the limiting groove of the carrier plate, the wire pressing mechanism is used to press the flexible flat cable tightly, and then the cutting mechanism cuts the flexible flat cable to ensure the neatness of the cutting.

[0018] The cutting mechanism of the utility model comprises a cutting knife and a cutting cylinder driving the cutting knife to cut the flexible flat cable, the cutting knife is fixed to the knife seat, the knife seat is connected to the cutting cylinder, the cutting cylinder is fixed to the mounting frame, the mounting frame is fixed to the lower surface of the carrier plate, the carrier plate is provided with a clearance groove corresponding to the cutting knife, and the cutting mechanism is located below the carrier plate, which prevents accidental injury to the operator to a certain extent;

[0019] The carrier plate of the utility model is provided with a slide groove, and the wire blocking block is provided with a sliding block, the sliding block is located inside the slide groove, the cross-section of the slide groove is a structure in which the bottom surface is larger than the top surface, and the screw thread is connected to the sliding block and tightly pressed against the surface of the carrier plate, so that the position of the wire blocking block can be adjusted to cut out flexible flat cables of different lengths. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a structural schematic diagram of the utility model;

[0021] Figure 2 The utility model Figure 1 A magnified view of point A;

[0022] Figure 3 It is a cross-sectional view of the utility model;

[0023] Figure 4 The utility model Figure 3 The enlarged view of point B;

[0024] Figure 5 It is a structural schematic diagram of the wire blocking block of the utility model;

[0025] The parts in the accompanying drawings are marked as follows:

[0026] 1. Carrier plate; 11. Limiting groove; 12. Feeding side; 13. Limiting side; 14. Wire stop block; 141. Stop block; 142. Sliding block; 15. Displacement groove; 151. Guide surface; 16. Slide groove; 21. Wire pressing plate; 211. Wire pressing line; 212. Inclined surface; 22. Lifting rod; 23. Fixed plate; 24. Guide rod; 25. Spring; 3. Soft flat cable; 41. Cutting knife; 42. Cutting cylinder; 43. Knife holder; 44. Mounting bracket; 441. Guide groove; 5. Screw; 6. Support rod. DETAILED DESCRIPTION

[0027] The preferred embodiments of the present invention are described in detail below in conjunction with the accompanying drawings so that the advantages and features of the present invention can be more easily understood by those skilled in the art, thereby making a clearer and more definite definition of the protection scope of the present invention.

[0028] Embodiment: A flexible flat cable fixed length cutting device, such as Figure 1 As shown, it includes a carrier board 1, a wire pressing mechanism and a cutting mechanism for cutting the flexible flat cable 3, wherein the wire pressing mechanism is located above the carrier board 1, and the carrier board 1 is located above the cutting mechanism;

[0029] like Figure 2 As shown, the upper surface of the carrier board 1 is provided with a plurality of limiting grooves 11 corresponding to the flexible flat cable. Figure 3As shown, the two sides of the carrier plate 1 are respectively a feeding side 12 and a limiting side 13, and the limiting side 13 is provided with a wire blocking block 14. Figure 5 As shown, the wire blocking block 14 is provided with a blocking block 141 matching the limiting groove 11, and the wire blocking block 14 can slide along the length direction of the limiting groove 11;

[0030] The wire pressing mechanism includes a wire pressing plate 21, a lifting rod 22 and a fixed plate 23. The fixed plate 23 is connected to a plurality of guide rods 24. The guide rods 24 pass through the wire pressing plate 21 and are fixed to the carrier plate 1. A spring 25 is provided between the wire pressing plate 21 and the fixed plate 23 so that the wire pressing plate 21 can press the flexible flat cable. The spring 25 is sleeved on the guide rod 24. The wire pressing plate 21 is fixed to the lifting rod 22.

[0031] like Figure 4 As shown, the cutting mechanism includes a cutting knife 41 and a cutting cylinder 42 driving the cutting knife 41 to cut the flexible flat cable 3, the cutting knife 41 is fixed to a knife seat 43, the knife seat 43 is connected to the cutting cylinder 42, the cutting cylinder 42 is fixed to a mounting bracket 44, the mounting bracket 44 is fixed to the lower surface of the carrier 1, and the carrier 1 is provided with a clearance groove 15 corresponding to the cutting knife 41.

[0032] The carrier plate 1 is provided with a slide groove 16, and the wire blocking block 14 is provided with a sliding block 142. The sliding block 142 is located inside the slide groove 16. The cross-section of the slide groove 16 is a structure in which the bottom surface is larger than the top surface. The screw 5 is threadedly connected to the sliding block 142 and tightly pressed against the surface of the carrier plate 1.

[0033] The lower surface of the pressing plate 21 is provided with a pressing line 211 corresponding to the limiting groove 11 , and the two opposite side surfaces of the pressing line 211 are inclined surfaces 212 , and the inclined surfaces 212 gradually incline toward the center of the pressing line 211 from top to bottom.

[0034] The clearance groove 15 passes through the upper and lower surfaces of the carrier board 1 .

[0035] The mounting frame 44 is provided with guide grooves 441 corresponding to two ends of the knife seat 43 .

[0036] A support rod 6 is provided on the lower surface of the carrier plate 1 .

[0037] The two opposite side walls of the clearance groove 15 are guide surfaces 151 , and the guide surfaces 151 gradually incline toward the center of the clearance groove 15 along the direction in which the cutting knife 41 cuts into the clearance groove 15 .

[0038] The lifting rod 22 protrudes from the upper surface of the fixing plate 23, and the fixing plate is provided with a clearance hole matching the lifting rod.

[0039] The working principle of the utility model is as follows: according to the length of the flexible flat cable that needs to be cut, the position of the wire block is adjusted, and then the screw is rotated to fix the wire block to the carrier plate, the lifting rod is pulled by hand to raise the wire pressing plate, and several flexible flat cables are respectively fed into the limiting groove from the feeding side of the limiting groove, so that the end of the flexible flat cable is pressed tightly against the stop block of the wire block, and the lifting rod is released. The wire pressing plate is pressed down by the action of the spring, so that the pressing line of the wire pressing plate presses the flexible flat cable tightly, and the cutting cylinder drives the knife seat to rise, and the cutting knife passes through the make way groove to cut the flexible flat cable.

[0040] The above are only embodiments of the present invention, and are not intended to limit the patent scope of the present invention. Any equivalent structural transformations made using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A device for cutting a flexible flat cable to a fixed length, characterized in that: It comprises a carrier plate (1), a wire pressing mechanism and a cutting mechanism for cutting a flexible flat cable (3), wherein the wire pressing mechanism is located above the carrier plate, and the carrier plate is located above the cutting mechanism; The upper surface of the carrier plate is provided with a plurality of limiting grooves (11) corresponding to the flexible flat cable, and the two sides of the carrier plate are respectively a feeding side (12) and a limiting side (13), and the limiting side is provided with a wire stop block (14), and the wire stop block is provided with a stop block (141) matching the limiting groove, and the wire stop block can slide along the length direction of the limiting groove; The wire pressing mechanism comprises a wire pressing plate (21), a lifting rod (22) and a fixing plate (23), wherein the fixing plate is connected to a plurality of guide rods (24), the guide rods pass through the wire pressing plate and are fixed to the carrier plate, a spring (25) is provided between the wire pressing plate and the fixing plate so that the wire pressing plate can press the flexible flat cable, the spring is sleeved on the guide rod, and the wire pressing plate is fixed to the lifting rod; The cutting mechanism comprises a cutting knife (41) and a cutting cylinder (42) for driving the cutting knife to cut the flexible flat cable, the cutting knife being fixed to a knife seat (43), the knife seat being connected to the cutting cylinder, the cutting cylinder being fixed to a mounting frame (44), the mounting frame being fixed to the lower surface of the carrier plate, the carrier plate being provided with a clearance groove (15) corresponding to the cutting knife.

2. The flexible flat cable cutting device according to claim 1, characterized in that: The carrier plate is provided with a slide groove (16), and the wire blocking block is provided with a sliding block (142). The sliding block is located inside the slide groove. The cross section of the slide groove is a structure in which the bottom surface is larger than the top surface. The screw (5) is threadedly connected to the sliding block and tightly pressed against the surface of the carrier plate.

3. The flexible flat cable cutting device according to claim 1, characterized in that: The lower surface of the press line plate is provided with a press line (211) corresponding to the limiting groove, and the two opposite side surfaces of the press line are inclined surfaces (212), and the inclined surfaces gradually incline toward the center of the press line from top to bottom.

4. The flexible flat cable cutting device according to claim 1, characterized in that: The clearance groove runs through the upper and lower surfaces of the carrier plate.

5. The flexible flat cable cutting device according to claim 1, characterized in that: The mounting frame is provided with guide grooves (441) corresponding to the two ends of the knife seat.

6. The flexible flat cable cutting device according to claim 1, characterized in that: A support rod (6) is provided on the lower surface of the carrier plate.

7. The flexible flat cable cutting device according to claim 1, characterized in that: The two opposite side walls of the clearance groove are guide surfaces (151), and the guide surfaces gradually incline toward the center of the clearance groove along the direction in which the cutting knife cuts into the clearance groove.

8. The flexible flat cable cutting device according to claim 1, characterized in that: The lifting rod protrudes from the upper surface of the fixing plate.

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