Carbon fiber multi-axial slitting device

Abstract

The utility model discloses a carbon fiber multi-axial slitting device which comprises a device frame body, a slitting roller, a fixed cutter, a first movable cutter and a second movable cutter, the slitting roller is installed inside the device frame body, the fixed cutter is fixed at the center position of the outer wall of the slitting roller, and the first movable cutter is fixed at the center position of the outer wall of the slitting roller. The first movable cutter and the second movable cutter are arranged on the outer walls of the portions, on the two sides of the fixed cutter, of the slitting roller correspondingly, a first adjusting cavity is formed in the portion, at the first movable cutter, of the interior of the slitting roller, a first motor is installed on one side of the interior of the first adjusting cavity, and a first lead screw is installed at the output end of the first motor; a second adjusting cavity is formed in the position, at the second movable cutter, of the slitting roller, a second motor is installed on one side of the interior of the second adjusting cavity, and a second lead screw is installed at the output end of the second motor. The mode that the fixed cutter and the movable cutter are combined is adopted, the distance between the blades is adjustable, and the slitting requirements of different specifications can be met.

Description

Technical Field

[0001] The utility model relates to the technical field of carbon fiber processing, in particular to a carbon fiber multi-axial slitting device. Background Art

[0002] Carbon fiber is a high-strength, high-modulus fiber material with a carbon content of over 90%. It has excellent mechanical properties and chemical stability. Carbon fiber is mainly made of polymer materials such as polyacrylonitrile (PAN) and is made through high-temperature oxidation and carbonization. This material is not only resistant to high temperatures, but also has high strength, high modulus, lightweight, corrosion resistance, wear resistance, and good electrical and thermal conductivity. In addition, carbon fiber also has good chemical stability and is not easily affected by chemical corrosion. Therefore, it is widely used in aerospace, sports equipment, automobiles, construction, chemical industry and other fields.

[0003] When processing carbon fiber, it needs to be cut through a slitting device to meet different application requirements. However, the blades of the slitting device are mostly fixed structures, and their spacing is inconvenient to adjust. They can only meet the slitting requirements of one specification, which has limitations and is urgently in need of improvement. Utility Model Content

[0004] The purpose of the present invention is to provide a carbon fiber multi-axial slitting device to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a carbon fiber multi-axial slitting device, comprising a device frame, a slitting roller, a fixed knife, a first movable knife and a second movable knife, the slitting roller is installed inside the device frame, the fixed knife is fixed at the center position of the outer wall of the slitting roller, the first movable knife and the second movable knife are respectively arranged on the outer walls of the slitting roller on both sides of the fixed knife, a first adjusting chamber is provided inside the slitting roller at the position of the first movable knife, a first motor is installed on one side of the first adjusting chamber, and a first screw rod is installed on the output end of the first motor, a first slider is sleeved on the outer wall of the first screw rod, a second adjusting chamber is provided inside the slitting roller at the position of the second movable knife, a second motor is installed on one side of the second adjusting chamber, and a second screw rod is installed on the output end of the second motor, and a second slider is sleeved on the outer wall of the second screw rod.

[0006] Preferably, a ruler is installed on the outer wall of the top of the device frame.

[0007] Preferably, a driving cavity is provided inside the device frame at the position of the slitting roller, and a first motor is installed inside the driving cavity. The output end of the first motor is fixedly connected to the slitting roller for driving the slitting roller to rotate.

[0008] Preferably, a support roller is provided below the slitting roller, and the support roller cooperates with the slitting roller.

[0009] Preferably, a cylinder is installed at the bottom of the device frame below the support roller, and the output end of the cylinder is fixedly connected to the support roller.

[0010] Preferably, a guide frame is fixed to one side of the device frame, a second motor is installed on one side inside the guide frame, and a bidirectional screw rod is installed at the output end of the second motor.

[0011] Preferably, movable blocks are threadedly connected to the outer walls on both sides of the bidirectional screw, and a guide plate is fixed to the top of the movable block. The top of the guide plate extends to the top of the guide frame. The guide plate guides and limits the two sides of the carbon fiber, so that the carbon fiber remains in a centered state.

[0012] Preferably, the first slider and the second slider are threadedly connected to the first screw rod and the second screw rod respectively, and the first slider and the second slider are fixedly connected to the first movable knife and the second movable knife respectively.

[0013] Compared with the prior art, the beneficial effects of the present invention are:

[0014] The first motor drives the slitting roller to rotate, so that the slitting roller drives the fixed knife, the first movable knife, and the second movable knife to rotate to slit the carbon fiber. By controlling the first motor to drive the first screw rod to rotate, the first slider drives the first movable knife to move toward the fixed knife, so that the distance between the first movable knife and the fixed knife is reduced. At the same time, the second motor is controlled to drive the second screw rod to rotate, so that the second slider drives the second movable knife to move toward the first movable knife, so that the distance between the second movable knife and the first movable knife is reduced. The translation stroke of the second slider is twice the translation stroke of the first slider, so that after adjustment, the fixed knife, the first movable knife, and the second movable knife still maintain the same spacing, and the width of the carbon fiber strip after slitting by the fixed knife, the first movable knife, and the second movable knife becomes narrower. The slitting device adopts a combination of fixed knife and movable knife, and the blade spacing is adjustable, so as to meet the slitting requirements of different specifications. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the main structure of the utility model;

[0016] Figure 2 This is a schematic diagram of the enlarged cross-sectional structure of the slitting roller of the present utility model;

[0017] Figure 3 This is an enlarged side cross-sectional structural diagram of the slitting roller of the present invention;

[0018] Figure 4 This is an enlarged structural diagram of the support roller of the utility model;

[0019] Figure 5 It is a schematic diagram of an enlarged cross-sectional structure of the guide frame of the present invention.

[0020] In the figure: 1. Device frame; 2. Slitting roller; 3. Measuring ruler; 4. Driving chamber; 5. First motor; 6. Support roller; 7. Guide frame; 8. First adjusting chamber; 9. First motor; 10. First screw rod; 11. First slider; 12. Second adjusting chamber; 13. Second screw rod; 14. Second slider; 15. Second motor; 16. Fixed knife; 17. First movable knife; 18. Second movable knife; 19. Cylinder; 20. Second motor; 21. Bidirectional screw rod; 22. Movable block; 23. Guide plate. DETAILED DESCRIPTION

[0021] To make the purpose, technical solutions, and advantages of the embodiments of the present invention more clear, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings of the embodiments of the present invention. Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely represents selected embodiments of the present invention. All other embodiments obtained by ordinary technicians in this field based on the embodiments of the present invention without making any creative efforts shall fall within the scope of protection of the present invention.

[0022] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the drawings in the embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0023] See also Figure 1-5 The utility model provides an embodiment of a carbon fiber multi-axial slitting device, comprising a device frame 1, a slitting roller 2, a fixed knife 16, a first movable knife 17, and a second movable knife 18. The slitting roller 2 is installed inside the device frame 1, the fixed knife 16 is fixed at the center of the outer wall of the slitting roller 2, and the first movable knife 17 and the second movable knife 18 are respectively arranged on the outer wall of the slitting roller 2 on both sides of the fixed knife 16;

[0024] A first adjusting chamber 8 is provided inside the slitting roller 2 at the position of the first movable blade 17, and a first motor 9 is installed on one side of the first adjusting chamber 8, and a first screw rod 10 is installed on the output end of the first motor 9, and a first slider 11 is sleeved on the outer wall of the first screw rod 10. A second adjusting chamber 12 is provided inside the slitting roller 2 at the position of the second movable blade 18, and a second motor 15 is installed on one side of the second adjusting chamber 12, and a second screw rod 13 is installed on the output end of the second motor 15, and a second slider 14 is sleeved on the outer wall of the second screw rod 13;

[0025] Specifically, the carbon fiber passes over the guide frame 7 and passes between the support roller 6 and the slitting roller 2. The cylinder 19 drives the support roller 6 to move upward, so that the fixed knife 16, the first movable knife 17, and the second movable knife 18 come into contact with the carbon fiber. The first motor 5 drives the slitting roller 2 to rotate, so that the slitting roller 2 drives the fixed knife 16, the first movable knife 17, and the second movable knife 18 to rotate to slit the carbon fiber. The fixed knife 16, the first movable knife 17, and the second movable knife 18 form a multi-axis structure, and because the fixed knife 16, the first movable knife 17, and the second movable knife 18 are spaced the same, the width of the slit carbon fiber strips is the same.

[0026] The first motor 9 drives the first screw rod 10 to rotate, so that the first slider 11 drives the first movable knife 17 to move toward the fixed knife 16, so that the distance between the first movable knife 17 and the fixed knife 16 is reduced. The second motor 15 drives the second screw rod 13 to rotate, so that the second slider 14 drives the second movable knife 18 to move toward the first movable knife 17, so that the distance between the second movable knife 18 and the first movable knife 17 is reduced. The translation stroke of the second slider 14 is twice the translation stroke of the first slider 11. It can be preset by a computer program so that after adjustment, the fixed knife 16, the first movable knife 17, and the second movable knife 18 still maintain the same spacing, and the width of the carbon fiber strip after being cut by the fixed knife 16, the first movable knife 17, and the second movable knife 18 becomes narrower. The slitting device adopts a combination of fixed knife and movable knife, and the blade spacing is adjustable, so as to meet the slitting requirements of different specifications;

[0027] A ruler 3 is mounted on the outer wall of the top of the device frame 1;

[0028] A driving chamber 4 is provided inside the device frame 1 at the position of the slitting roller 2, and a first motor 5 is installed inside the driving chamber 4. The output end of the first motor 5 is fixedly connected to the slitting roller 2.

[0029] A support roller 6 is provided below the slitting roller 2, and the support roller 6 cooperates with the slitting roller 2;

[0030] A cylinder 19 is installed at the bottom of the device frame 1 below the support roller 6, and the output end of the cylinder 19 is fixedly connected to the support roller 6;

[0031] A guide frame 7 is fixed to one side of the device frame 1, and a second motor 20 is installed on one side of the guide frame 7, and a bidirectional screw rod 21 is installed at the output end of the second motor 20;

[0032] The outer walls of both sides of the bidirectional screw rod 21 are threadedly connected with movable blocks 22, and the top of the movable block 22 is fixed with a guide plate 23, and the top of the guide plate 23 extends to the top of the guide frame 7;

[0033] Specifically, the second motor 20 drives the bidirectional screw 21 to rotate, so that the movable block 22 drives the guide plate 23 to translate from both sides toward the center. The guide plate 23 guides and limits the two sides of the carbon fiber, so that the carbon fiber remains in the center.

[0034] The first slider 11 and the second slider 14 are threadedly connected to the first screw rod 10 and the second screw rod 13 respectively, and the first slider 11 and the second slider 14 are fixedly connected to the first movable knife 17 and the second movable knife 18 respectively.

[0035] When the embodiment of the present application is in use: first, the carbon fiber passes over the guide frame 7 and passes between the support roller 6 and the slitting roller 2, wherein the second motor 20 drives the bidirectional screw 21 to rotate, so that the movable block 22 drives the guide plate 23 to move horizontally from both sides to the center, and the guide plate 23 guides and limits both sides of the carbon fiber, so that the carbon fiber remains in a centered state, and then, the cylinder 19 drives the support roller 6 to move upward, so that the fixed knife 16, the first movable knife 17, and the second movable knife 18 contact the carbon fiber, and the first motor 5 drives the slitting roller 2 to rotate, so that the slitting roller 2 drives the fixed knife 16, the first movable knife 17, and the second movable knife 18 to rotate to slit the carbon fiber, and the fixed knife 16, the first movable knife 17, and the second movable knife 18 constitute a multi-axis structure, and because the fixed knife 16, the first movable knife 17, and the second movable knife 18 have the same spacing, the slit carbon fiber The fiber strips have the same width. The first motor 9 drives the first screw rod 10 to rotate, so that the first slider 11 drives the first movable knife 17 to move toward the fixed knife 16, so that the distance between the first movable knife 17 and the fixed knife 16 is reduced. The second motor 15 drives the second screw rod 13 to rotate, so that the second slider 14 drives the second movable knife 18 to move toward the first movable knife 17, so that the distance between the second movable knife 18 and the first movable knife 17 is reduced. The translation stroke of the second slider 14 is twice the translation stroke of the first slider 11. It can be preset through a computer program so that the fixed knife 16, the first movable knife 17, and the second movable knife 18 still maintain the same spacing after adjustment, and the width of the carbon fiber strip after cutting by the fixed knife 16, the first movable knife 17, and the second movable knife 18 becomes narrower. The slitting device adopts a combination of fixed knife and movable knife, and the blade spacing is adjustable, so as to meet the slitting requirements of different specifications.

[0036] Obviously, the embodiments described above are only part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the present invention.

Claims

1. A carbon fiber multi-axial slitting device, characterized in that: The invention comprises a device frame (1), a slitting roller (2), a fixed knife (16), a first movable knife (17) and a second movable knife (18), wherein the slitting roller (2) is installed inside the device frame (1), the fixed knife (16) is fixed at the center position of the outer wall of the slitting roller (2), the first movable knife (17) and the second movable knife (18) are respectively arranged on the outer wall of the slitting roller (2) on both sides of the fixed knife (16), the slitting roller (2) at the position of the first movable knife (17) is provided with a first regulating chamber (8), and a first regulating chamber (8) is provided inside the first regulating chamber (8). A first motor (9) is installed on the side, and a first screw rod (10) is installed on the output end of the first motor (9), a first slider (11) is sleeved on the outer wall of the first screw rod (10), a second adjustment chamber (12) is provided inside the slitting roller (2) at the position of the second movable knife (18), and a second motor (15) is installed on one side inside the second adjustment chamber (12), and a second screw rod (13) is installed on the output end of the second motor (15), and a second slider (14) is sleeved on the outer wall of the second screw rod (13).

2. The carbon fiber multi-axial slitting device according to claim 1, characterized in that: A ruler (3) is mounted on the outer wall of the top of the device frame (1).

3. The carbon fiber multi-axial slitting device according to claim 1, characterized in that: A drive cavity (4) is provided inside the device frame (1) at the position of the slitting roller (2), and a first motor (5) is installed inside the drive cavity (4), and an output end of the first motor (5) is fixedly connected to the slitting roller (2).

4. The carbon fiber multi-axial slitting device according to claim 1, characterized in that: A support roller (6) is provided below the slitting roller (2), and the support roller (6) and the slitting roller (2) cooperate with each other.

5. The carbon fiber multi-axial slitting device according to claim 4, characterized in that: A cylinder (19) is installed at the bottom of the device frame (1) below the support roller (6), and the output end of the cylinder (19) is fixedly connected to the support roller (6).

6. The carbon fiber multi-axial slitting device according to claim 1, characterized in that: A guide frame (7) is fixed to one side of the device frame (1), a second motor (20) is installed on one side inside the guide frame (7), and a bidirectional screw rod (21) is installed at the output end of the second motor (20).

7. The carbon fiber multi-axial slitting device according to claim 6, characterized in that: The outer walls of both sides of the bidirectional screw rod (21) are both threadedly sleeved with movable blocks (22), and the top of the movable block (22) is fixed with a guide plate (23), and the top of the guide plate (23) extends to the top of the guide frame (7).

8. The carbon fiber multi-axial slitting device according to claim 1, characterized in that: The first slider (11) and the second slider (14) are respectively threadedly connected to the first screw rod (10) and the second screw rod (13), and the first slider (11) and the second slider (14) are respectively fixedly connected to the first movable knife (17) and the second movable knife (18).

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