Automatic wire clamping and cutting device for winding of carbon fiber tows

Abstract

The utility model discloses an automatic filament clamping and cutting device for carbon fiber filament bundle winding and belongs to the technical field of carbon fiber production equipment. Comprising a fixing plate, and a mounting plate, a power system, a cutting assembly and a snagging device are arranged on the fixing plate; the mounting plate is rotationally arranged on the fixing plate, and the cutting-off assembly and the power system are arranged on the two sides of the mounting plate correspondingly; the snagging device comprises a snagging plate, a connecting shaft and a driving assembly used for driving the connecting shaft, the connecting shaft is arranged on the fixing plate in a penetrating mode, the snagging plate is fixed to one end of the connecting shaft and is adjacent to the cutting-off assembly, and the driving assembly is connected with the connecting shaft and used for driving the connecting shaft to rotate and move on the fixing plate to enable the snagging plate to move and adjust the angle; the cut-off assembly comprises a wire clamping piece, a tool apron and a double-layer blade, the wire clamping piece comprises a first wire clamping plate and a second wire clamping plate, the first wire clamping plate and the second wire clamping plate are elastically connected, during use, the driving assembly drives the connecting shaft to drive the wire hooking plate to hook and pull tows to the wire clamping piece and then fix the tows, and then cut-off operation is conducted through the double-layer blade.

Description

Technical Field

[0001] The utility model belongs to the technical field of carbon fiber production equipment, and particularly relates to an automatic wire clamping and cutting device for winding carbon fiber tows. Background Art

[0002] Carbon fiber is a new fiber material with high strength and high modulus, containing more than 95% carbon. It is formed by stacking organic fibers such as flaky graphite microcrystals along the fiber axial direction and obtained by carbonization and graphitization treatment. Carbon fiber is "soft on the outside and rigid on the inside" and lighter in mass than aluminum. After the carbon fiber tow winder actually finishes winding, it is necessary to replace the new winding drum and cut it off before starting a new winding.

[0003] In the prior art, for some equipment, after winding is completed, it is necessary to manually intervene to stop the winder, manually cut the carbon fiber, and then replace the new drum. The operation is cumbersome, the degree of automation is low, and the production efficiency will be reduced due to downtime; or although the tow can passively enter the cutting device by reciprocating walking during the winding process, it takes a long time and there are problems such as the tow being prone to fuzzing and incomplete cutting after cutting. Therefore, an automatic tow cutting device for use after the winder winds up, which can cut the tow quickly and has a better cutting effect, is needed.

[0004] Therefore, the applicant has made beneficial explorations and attempts and found a solution to the above problems. The technical solution to be introduced below was generated under this background. Content of the Utility Model

[0005] The utility model mainly solves the technical problems existing in the above prior art and provides an automatic wire clamping and cutting device for winding carbon fiber tows.

[0006] 1. The above technical problems of the utility model are mainly solved by the following technical solution: An automatic wire clamping and cutting device for winding carbon fiber tows includes a fixing plate, on which an installation plate, a power system, a cutting assembly, and a wire hooking device are provided; the installation plate is rotatably arranged on the fixing plate, the cutting assembly is arranged on one side of the installation plate, the power system is fixed on the fixing plate and used to drive the installation plate to rotate, and the power system and the cutting assembly are located on both sides of the fixing plate respectively; the wire hooking device includes a wire hooking plate, a connecting shaft, and a driving assembly for driving the connecting shaft. The connecting shaft passes through the fixing plate, the wire hooking plate is fixed at one end of the connecting shaft and is arranged adjacent to the cutting assembly, and the driving assembly is fixed on the fixing plate and is connected to the middle position and the other end far from the wire hooking plate of the connecting shaft.

[0007] Preferably, the cutting assembly includes a wire clamping member, a tool holder, and a double-layer blade. A rotating shaft driven by a power system is provided on the mounting plate. The wire clamping member is fixed on the rotating shaft. The tool holder is fixed on the mounting plate and is arranged adjacent to the rotating shaft. The double-layer blade is fixed on the tool holder.

[0008] Preferably, the wire clamping member includes a first wire clamping plate and a second wire clamping plate. Both the first wire clamping plate and the second wire clamping plate are fixed on the rotating shaft, and there is an elastic connection between one end of the first wire clamping plate and one end of the second wire clamping plate.

[0009] Preferably, the driving assembly includes an extending cylinder, a driving cylinder, a transmission assembly, and a connecting member. The extending cylinder is fixed on one side of the fixing plate. The transmission assembly is used to connect the extending cylinder and the connecting shaft. The connecting member is fixed on the end of the connecting shaft away from the wire hooking plate. The output end of the driving cylinder is fixedly connected to the connecting member.

[0010] Preferably, the transmission assembly includes a gear and a rack. The rack is fixedly connected to the output end of the extending cylinder. The gear is fixedly connected to the connecting shaft, and the gear meshes with the rack.

[0011] The beneficial effects of the present utility model are as follows:

[0012] Compared with the prior art, in the present utility model, the elastic connection between one end of the first wire clamping plate and one end of the second wire clamping plate enables the wire clamping member to ensure the clamping force while being compatible with wire bundles of different thicknesses and specifications. The setting of the double-layer blade has higher durability, and there will be no hairy wires or the situation of being cut in half after cutting, and the cutting effect is better. Description of the Drawings

[0013] Figure 1 is a schematic structural diagram of one perspective of the present utility model;

[0014] Figure 2 is Figure 1 an enlarged schematic diagram of part A in

[0015] Figure 3 is a schematic structural diagram of another perspective of the present utility model;

[0016] Figure 4 is a schematic structural diagram of one perspective of the wire hooking device;

[0017] Figure 5 is a schematic structural diagram of another perspective of the wire hooking device.

[0018] In the figure: 1, fixed plate; 2, mounting plate; 3, power system; 4, cutting component; 5, wire-hooking device; 6, wire-hooking plate; 7, connecting shaft; 8, driving component; 9, wire-clamping part; 10, tool holder; 11, double-layer blade; 12, rotating shaft; 13, first wire-clamping plate; 14, second wire-clamping plate; 15, top-extending air cylinder; 16, driving air cylinder; 17, transmission component; 18, connecting part; 19, gear; 20, rack. Detailed implementation mode

[0019] The following is through examples and in combination with the attached Figures 1-5 As shown in the structure, the technical solution of the present utility model will be further specifically described. Each part in the following examples works according to the instructions of the PLC controller.

[0020] Example: An automatic wire-clamping and cutting device for winding carbon fiber tows includes a fixed plate 1. A mounting plate 2 is rotatably installed on the fixed plate 1. A cutting component 4 and a power system 3 for driving the mounting plate 2 to rotate are respectively arranged on both sides of the mounting plate 2. The power system 3 is fixed on the fixed plate 1. A wire-hooking device 5 for hooking and pulling the tows is arranged at a corner of the fixed plate 1.

[0021] Specifically, a rotating shaft 12 driven by the power system 3 is rotatably arranged on the mounting plate 2, and the rotating shaft 12 is located on the side of the mounting plate 2 away from the power system 3. The cutting component 4 includes a wire-clamping part 9, a tool holder 10 and a double-layer blade 11. The wire-clamping part 9 is fixedly installed on the side wall of the rotating shaft 12 near one end of the mounting plate 2. The tool holder 10 is fixed on the mounting plate 2 and adjacent to the rotating shaft 12. The double-layer blade 11 is fixed on the tool holder 10; the wire-clamping part 9 includes a first wire-clamping plate 13 and a second wire-clamping plate 14. One end of the first wire-clamping plate 13 and one end of the second wire-clamping plate 14 are elastically connected by a tension spring. An opening in a triangular shape is arranged between the ends of the first wire-clamping plate 13 and the second wire-clamping plate 14 away from the tension spring. The gap between the first wire-clamping plate 13 and the second wire-clamping plate 14 becomes narrower from the opening to the tension spring. Such a design not only facilitates the tows to enter the gap between the first wire-clamping plate 13 and the second wire-clamping plate 14, but also can clamp and fix the tows, thereby facilitating the double-layer blade 11 to cut the tows.

[0022] The snagging device 5 includes a snagging plate 6, a connecting shaft 7, and a driving assembly 8 for driving the connecting shaft 7. The connecting shaft 7 is inserted through the fixed plate 1 and can rotate on the fixed plate 1. The snagging plate 6 is fixed to one end of the connecting shaft 7 and is adjacent to the cutting assembly 4. The driving assembly 8 is arranged at the other end of the connecting shaft 7. The driving assembly 8 includes an extending cylinder 15, a driving cylinder 16, a transmission assembly 17, and a connecting piece 18. The extending cylinder 15 is fixed to one side of the fixed plate 1. The transmission assembly 17 includes a gear 19 and a rack 20. The gear 19 is coaxially fixed to the connecting shaft 7 and can slide horizontally on the connecting shaft 7. The rack 20 is fixedly connected to the output end of the extending cylinder 15, and the rack 20 meshes with the gear 19. During use, the extending cylinder 15 drives the rack 20 to drive the gear 19 to rotate, so that the connecting shaft 7 rotates to adjust the angle of the snagging plate 6, facilitating the subsequent snagging of the tow. The connecting piece 18 is fixed to the end of the connecting shaft 7 far from the snagging plate 6. The driving cylinder 16 is adjacent to the power system 3 and is fixedly arranged. The setting of the connecting piece 18 ensures that the connecting shaft 7 can rotate while being pushed by the driving cylinder 16, facilitating the horizontal movement of the snagging plate 6 to snag the tow.

[0023] The working principle of the present utility model:

[0024] During use, before the PLC controller issues a cutting instruction, the extending cylinder 15 is in a retracted state. When the PLC controller issues a snagging and cutting instruction, the driving cylinder 16 extends to make the connecting shaft 7 slide on the fixed plate 1 to push the snagging plate 6 to extend outwards. Subsequently, the extending cylinder 15 drives the rack 20 to move to drive the gear 19 to drive the connecting shaft 7 to rotate to adjust the angle of the snagging plate 6, so that the tow enters the notch provided on the snagging plate 6. Then, the driving cylinder 16 retracts to pull the tow into the wire clamping member 9. The tow enters the gap between the first wire clamping plate 13 and the second wire clamping plate 14 through the opening between the first wire clamping plate 13 and the second wire clamping plate 14. The power system 3 drives the rotating shaft 12 to rotate to make the tow approach the connection part of the first wire clamping plate 13 and the second wire clamping plate 14. As the gap between the first wire clamping plate 13 and the second wire clamping plate 14 becomes narrower, the tow is clamped and fixed by the first wire clamping plate 13 and the second wire clamping plate 14. Finally, the power system 3 drives the mounting plate 2 to rotate to drive the double-layer blade 11 to rotate to perform a cutting operation on the tow.

[0025] Finally, it should be noted that the above embodiments are only relatively representative examples of the present utility model. Obviously, the present utility model is not limited to the above embodiments and can have many variations. Any simple modification, equivalent change, and modification made to the above embodiments based on the technical essence of the present utility model should be considered to fall within the protection scope of the present utility model.

Claims

1. A carbon fiber tow winding automatic wire cutting device, characterized in that: It comprises a fixing plate (1), on which a mounting plate (2), a power system (3), a cutting assembly (4) and a wire hooking device (5) are arranged; The mounting plate (2) is rotatably mounted on the fixed plate (1), the cutting assembly (4) is arranged on one side of the mounting plate (2), the power system (3) is fixed on the fixed plate (1) and is used to drive the mounting plate (2) to rotate, and the power system (3) and the cutting assembly (4) are respectively located on two sides of the fixed plate (1); The wire hooking device (5) comprises a wire hooking plate (6), a connecting shaft (7) and a driving assembly (8) for driving the connecting shaft (7); the connecting shaft (7) is passed through the fixing plate (1); the wire hooking plate (6) is fixed to one end of the connecting shaft (7) and is arranged adjacent to the cutting assembly (4); the driving assembly (8) is fixed to the fixing plate (1) and is connected to the middle position of the connecting shaft (7) and the other end away from the wire hooking plate (6).

2. The automatic wire cutting device for winding carbon fiber tow according to claim 1, characterized in that: The cutting assembly (4) comprises a wire clamp (9), a knife seat (10) and a double-layer blade (11); a rotating shaft (12) driven by a power system (3) is provided on the mounting plate (2); the wire clamp (9) is fixed on the rotating shaft (12); the knife seat (10) is fixed on the mounting plate (2) and arranged adjacent to the rotating shaft (12); and the double-layer blade (11) is fixed on the knife seat (10).

3. The automatic wire cutting device for winding carbon fiber tow according to claim 2, characterized in that: The wire clamping member (9) comprises a wire clamping plate 1 (13) and a wire clamping plate 2 (14), wherein the wire clamping plate 1 (13) and the wire clamping plate 2 (14) are both fixed on the rotating shaft (12), and one end of the wire clamping plate 1 (13) and one end of the wire clamping plate 2 (14) are elastically connected.

4. The automatic wire cutting device for winding carbon fiber tow according to claim 1, characterized in that: The driving assembly (8) comprises an extension cylinder (15), a driving cylinder (16), a transmission assembly (17) and a connecting piece (18); the extension cylinder (15) is fixed to one side of the fixing plate (1); the transmission assembly (17) is used to connect the extension cylinder (15) and the connecting shaft (7); the connecting piece (18) is fixed to one end of the connecting shaft (7) away from the hook plate (6); and the output end of the driving cylinder (16) is fixedly connected to the connecting piece (18).

5. The automatic wire cutting device for winding carbon fiber tow according to claim 4, characterized in that: The transmission assembly (17) comprises a gear (19) and a rack (20), the rack (20) being fixedly connected to the output end of the extension cylinder (15), the gear (19) being fixedly connected to the connecting shaft (7), and the gear (19) and the rack (20) being meshed with each other.

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