Cable straightening and fixed-length cutting device

Abstract

The utility model discloses a cable straightening fixed-length cutting device which comprises a support, an unwinding shaft, a straightening and deflection-removing wheel set, a traction fixed-length wheel set, a cutting assembly and a controller, the support is arranged in the front-back direction, and the unwinding shaft, the straightening and deflection-removing wheel set, the traction fixed-length wheel set and the cutting assembly are sequentially arranged on the support in the front-back direction. The straightening and deflection-removing wheel set, the traction and length-fixing wheel set and the cutting assembly are electrically connected with the controller, the unwinding shaft is used for being sleeved with a cable roll, a cable at the unwinding end of the cable roll sequentially passes through the straightening and deflection-removing wheel set, the traction and length-fixing wheel set and the cutting assembly, and the traction and length-fixing wheel set is used for pulling the cable to move backwards and fixing the length of the cable. The straightening and flexibility-removing wheel set is used for straightening and flexibility-removing the cable passing through the straightening and flexibility-removing wheel set, so that the straightening and flexibility-removing wheel set eliminates the stress of the cable before the cable is unwound and cut at a fixed length, and the flexibility of the cable in the later period can be overcome.

Description

TECHNICAL FIELD

[0001] The utility model belongs to cable processing equipment field especially, it relates to a cable straightening fixed length cutting device. BACKGROUND

[0002] At present, the cable raw material is mostly in the form of coiled material, and the wire enterprises need to cut the cable to a fixed length when using the cable. However, the cable still has a certain degree of flexibility after cutting, and it is difficult to eliminate its stress, which is not convenient for the subsequent application of the cable. At present, there are many devices for cutting the cable to a fixed length, such as the structure disclosed in document No. CN107999669A "Cable traction cutting device". Although the structure has multiple tension adjusting wheels, it is suitable for adjusting the tension of hard cable. If it is used for fixed length cutting of soft cable, it is difficult to completely eliminate the flexibility. SUMMARY

[0003] In order to solve the above technical problems, the purpose of the utility model is to provide a cable straightening fixed length cutting device which can cut the cable to a fixed length and eliminate the flexibility of the cable.

[0004] In order to achieve the above purpose, the technical scheme of the utility model is as follows: a cable straightening fixed length cutting device, comprising a support, an unwinding shaft, a straightening and flexibility removing wheel set, a traction fixed length wheel set, a cutting assembly and a controller, the support is arranged in the front-back direction, the unwinding shaft, the straightening and flexibility removing wheel set, the traction fixed length wheel set and the cutting assembly are arranged in the front-back direction on the support in turn, the traction fixed length wheel set and the cutting assembly are electrically connected with the controller, the unwinding shaft is used to wrap a cable roll, the cable at the unwinding end of the cable roll passes through the straightening and flexibility removing wheel set, the traction fixed length wheel set and the cutting assembly in turn, the traction fixed length wheel set is used to move the cable backward and cut it to a fixed length, and the straightening and flexibility removing wheel set is used to straighten and remove the flexibility of the cable passing through it.

[0005] The beneficial effects of the above technical scheme are that the stress of the cable is eliminated by the straightening and flexibility removing wheel set before the cable is unwound and cut to a fixed length, which can overcome the flexibility of the cable in the later stage.

[0006] The above technical scheme further comprises a box body arranged on the support, a heating device is arranged in the box body, the straightening and flexibility removing wheel set is located in the box body, and the front end and the rear end of the box body are provided with threading holes for the cable to pass through.

[0007] The beneficial effects of the above technical scheme are that the heating device in the box body is used to heat up to make the cable stress elimination effect better.

[0008] In the above technical scheme, one side of the box body is open, and a door plate which can be opened or closed is arranged at the opening.

[0009] The beneficial effects of the above technical solutions are that the cable is more convenient to thread in the box.

[0010] In the above technical solution, the straightening and deflection wheel group comprises a tensioning wheel group and a deflection wheel group which are spaced apart in the front-rear direction in the box, the tensioning wheel group is used to tighten the cable between the cable reel and the traction fixed-length wheel group, and the deflection wheel group is used to eliminate the deflection of the cable.

[0011] The beneficial effects of the above technical solutions are that the structure is simple, so that the cable is always in a straightened state in the box, thereby making the stress relief effect better.

[0012] In the above technical solution, the tensioning wheel group comprises a sliding wheel and a fixed wheel, two fixed wheels are spaced apart in the front-rear direction at the front upper end of the box and are both rotationally connected with the support, the sliding wheel is located between the two fixed wheels and is vertically slidably and rotationally connected with the support, and the cable is wound around the tensioning wheel group in a "U" shape.

[0013] The beneficial effects of the above technical solutions are that the structure is simple, and the sliding wheel can move up and down under the traction of the cable to keep the cable in a straightened state.

[0014] In the above technical solution, the deflection wheel group comprises a plurality of deflection wheels, and the cable is wound around the plurality of deflection wheels in a serpentine shape and is conveyed backward to the traction fixed-length wheel group.

[0015] The beneficial effects of the above technical solutions are that the cable moves in a serpentine shape under the action of the plurality of deflection wheels, which can better eliminate the stress of the cable.

[0016] In the above technical solution, the plurality of deflection wheels are vertically spaced apart.

[0017] The beneficial effects of the above technical solutions are that the suitable deflection wheel group occupies less space.

[0018] In the above technical solution, a first guide wheel is arranged on the support at the front of the box, the first guide wheel is aligned with the threading hole located at the front, and a second guide wheel is arranged at the rear in the box, the second guide wheel is aligned with the threading hole located at the rear.

[0019] The beneficial effects of the above technical solutions are that the structure is simple, so that the cable does not come into contact with the hole wall of the threading hole during the process of entering and exiting the box, thereby preventing the cable from being worn.

[0020] The traction fixed-length wheel set comprises a driving wheel, a driven wheel and a servo motor, the driving wheel and the driven wheel are distributed above and below and are attached to each other, the driving wheel is in transmission connection with the servo motor, the driving wheel and the driven wheel are flexible wheels, and the cable passes between the driving wheel and the driven wheel and is conveyed backward.

[0021] The technical scheme has the beneficial effects that the structure is simple and the length measurement precision is good.

[0022] The traction fixed-length wheel set and the cutting assembly are further provided with a wire guide tube for the cable to pass through in the horizontal direction.

[0023] The technical scheme has the beneficial effects that the end of the cable can be guided to pass through the cutting assembly by the wire guide tube. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 A structure schematic view of the cable straightening and fixed-length cutting device is shown in the embodiment of the utility model;

[0025] Figure 2 A structure schematic view of the traction fixed-length wheel set is shown in the embodiment of the utility model;

[0026] Figure 3 A top view of the box is shown in the embodiment of the utility model;

[0027] Figure 4 An electric connection schematic view of the controller is shown in the embodiment of the utility model;

[0028] Figure 5 An installation schematic view of the unwinding shaft on the support is shown in the embodiment of the utility model.

[0029] In the drawing: 1, support; 2, unwinding shaft; 21, magnetic powder clutch; 3, straightening and removing deflection wheel set; 31, tensioning wheel set; 311, sliding wheel; 312, fixed wheel; 32, removing deflection wheel set; 321, removing deflection wheel; 4, traction fixed-length wheel set; 41, driving wheel; 42, driven wheel; 43, servo motor; 5, cutting assembly; 6, controller; 7, cable roll; 71, cable; 8, box; 81, threading hole; 82, door plate; 83, heating device; 91, first guide wheel; 92, second guide wheel; 10, wire guide tube. DETAILED DESCRIPTION

[0030] The principles and features of the present application are described below in conjunction with the accompanying drawings, and the examples are used to explain the present application only, and are not intended to limit the scope of the present application. In the following paragraphs, the present application is described in more detail by way of example with reference to the accompanying drawings. The advantages and features of the present application will be more clearly described according to the following description and claims. It should be noted that the drawings are greatly simplified and use non-precise proportions, and are only used to facilitate and clarify the purpose of assisting in the description of the embodiments of the present application.

[0031] As shown in Figure 1 and Figure 4 The present embodiment provides a cable straightening and fixed-length cutting device, which comprises a support 1, an unwinding shaft 2, a straightening and deflection-removing wheel set 3, a traction fixed-length wheel set 4, a cutting assembly 5 and a controller 6. The support 1 is arranged in the front-rear direction. The unwinding shaft 2, the straightening and deflection-removing wheel set 3, the traction fixed-length wheel set 4 and the cutting assembly 5 are sequentially arranged on the support 1 in the front-rear direction. The traction fixed-length wheel set 4 and the cutting assembly 5 are electrically connected to the controller 6. The unwinding shaft 2 is used to accommodate a cable roll 7. The cable 71 at the unwinding end of the cable roll 7 sequentially passes through the straightening and deflection-removing wheel set 3, the traction fixed-length wheel set 4 and the cutting assembly 5. The traction fixed-length wheel set 4 is used to move the cable 71 backward and fix its length, so that the cable 71 is cut by the cutting assembly 5. The straightening and deflection-removing wheel set 3 is used to straighten and remove the deflection of the cable 71 passing therethrough. In this way, the stress of the cable 71 is eliminated by the straightening and deflection-removing wheel set before the cable 71 is unwound and cut to a fixed length, so that the deflection of the cable 71 in the later stage can be overcome.

[0032] In the present embodiment, the controller 6 can adopt an arm series single-chip microcomputer. The controller is arranged on the support.

[0033] In the present embodiment, the support can adopt a vertical plate. In the present embodiment, the side of the box body close to the support can be integrally formed with the vertical plate. In the present embodiment, a heat preservation layer can be arranged on the outer wall of the box body. The temperature in the box body can be controlled between 40-50℃ (the temperature control method belongs to the prior art in the art, and will not be described here). The electric heating device can be an electric heating plate arranged on the inner wall of the box body.

[0034] As shown in Figure 3 In the above technical solution, a box body 8 is arranged on the support 1. A heating device 83 is arranged in the box body 8. The straightening and deflection-removing wheel set 3 is located in the box body 8. The front end and the rear end of the box body 8 each have a cable passing hole 81 for the cable 71 to pass through. In this way, the cable 71 is heated by the heating device in the box body to achieve a better effect of eliminating the stress of the cable.

[0035] The box 8 is open on one side, and a door plate 82 is arranged on the open side to open or close, so that the cable is more convenient to pass through in the box.

[0036] The straightening and deflection wheel group 3 comprises a tensioning wheel group 31 and a deflection wheel group 32 arranged in the box 8 and spaced apart in the front-rear direction. The tensioning wheel group 31 is used to tighten the cable 71 between the cable reel 7 and the traction fixed-length wheel group 4, and the deflection wheel group 32 is used to eliminate the deflection of the cable 71. The structure is simple, so that the cable is always in a straightened state in the box, thereby better eliminating the stress of the cable.

[0037] The tensioning wheel group 31 comprises a sliding wheel 311 and a fixed wheel 312. Two fixed wheels 312 are arranged in the front upper end of the box 8 and spaced apart in the front-rear direction, and are rotatably connected to the support 1. The sliding wheel 311 is located between the two fixed wheels 312, and is vertically slidably and rotatably connected to the support 1. The cable 71 is wound around the tensioning wheel group 31 in a "U" shape. The structure is simple, and the sliding wheel can move up and down under the traction of the cable to keep the cable in a straightened state.

[0038] The deflection wheel group 32 comprises a plurality of deflection wheels 321. The cable 71 is wound around the plurality of deflection wheels 321 in a serpentine shape and is conveyed backward to the traction fixed-length wheel group 4. The cable moves in a serpentine shape under the action of the plurality of deflection wheels, which can better eliminate the stress of the cable.

[0039] The plurality of deflection wheels 321 are vertically spaced apart, so that the space occupied by the appropriate deflection wheel group is smaller.

[0040] The front of the box 8 is provided with a first guide wheel 91 mounted on the support 1. The first guide wheel 91 is aligned with the front through-hole 81. The rear of the box 8 is provided with a second guide wheel 92. The second guide wheel 92 is aligned with the rear through-hole 81. The structure is simple, so that the cable does not contact the hole wall of the through-hole during the process of entering and exiting the box, thereby preventing the cable from being abraded.

[0041] As Figure 2As shown in the technical scheme, the traction length fixing wheel set 4 comprises a driving wheel 41, a driven wheel 42 and a servo motor 43 (the servo motor is electrically connected with the controller), the driving wheel 41 and the driven wheel 42 are distributed above and below and abut each other, the driving wheel 41 is in transmission connection with the servo motor 43, the driving wheel 41 and the driven wheel 42 are flexible wheels, and the cable 71 passes between the driving wheel 41 and the driven wheel 42 and is conveyed backward, the structure is simple, the length counting precision is good, the servo motor is provided with an encoder, the rotation speed can be accurately counted, the linear speed of the driving wheel is accurately obtained, the length of the cable conveyed backward each time is calculated, the servo motor stops running when the cutting assembly cuts, and the servo motor continues to rotate after the cutting assembly finishes cutting, which belongs to the prior art and will not be described herein.

[0042] In the technical scheme, the traction length fixing wheel set 4 and the cutting assembly 5 are further provided with a wire guide pipe 10 through which the cable 71 passes and which is horizontally arranged in the front-rear direction, so that the end of the cable can be guided by the wire guide pipe to pass through the cutting assembly.

[0043] In the embodiment, the sliding wheel 311, the fixed wheel 312, the deflection wheel 321, the first guide wheel 91 and the second guide wheel 92 are all groove wheels, so that the cable can be limited in the left-right direction.

[0044] In the embodiment, the first guide wheel is aligned with the fixed wheel 312 in the front-rear direction, and the second guide wheel is aligned with the cutting assembly, so that the cable can enter and exit the box body straightly in the front-rear direction.

[0045] In the embodiment, the cutting assembly 5 can adopt the cutting assembly disclosed in the document No. CN207592686U “Cable Traction Cutting Device”, which belongs to the prior art and will not be described herein.

[0046] As shown in the technical scheme, Figure 5 In the embodiment, the unwinding shaft 2 can be an air expansion shaft, one end of which is rotationally connected with the support, and a magnetic powder clutch 21 in transmission connection with the air expansion shaft can be further arranged on the support, so that the resistance of the air expansion shaft during unwinding can be adjusted by the magnetic powder clutch, and the cable can be further prevented from being in a slack state during unwinding.

[0047] The above merely describes preferred embodiments of the present application, and is not intended to limit the present application in any form; any person skilled in the art can smoothly implement the present application according to the drawings shown in the specification and the above description; however, any person skilled in the art can make slight changes, modifications and equivalent changes of the present application within the scope of the technical scheme of the present application, and the equivalent embodiments of the present application are still within the protection scope of the technical scheme of the present application.

Claims

1. A cable straightening and length cutting apparatus, comprising: The device comprises a support (1), an unwinding shaft (2), a straightening and deflection wheel set (3), a traction fixed-length wheel set (4), a cutting assembly (5) and a controller (6), the support (1) is arranged along the front-rear direction, the unwinding shaft (2), the straightening and deflection wheel set (3), the traction fixed-length wheel set (4) and the cutting assembly (5) are sequentially arranged on the support (1) along the front-rear direction, the traction fixed-length wheel set (4) and the cutting assembly (5) are electrically connected with the controller (6), a cable roll (7) is sleeved on the unwinding shaft (2), the cable (71) at the unwinding end of the cable roll (7) sequentially passes through the straightening and deflection wheel set (3), the traction fixed-length wheel set (4) and the cutting assembly (5), the traction fixed-length wheel set (4) is used for moving the cable (71) rearward and fixing the length of the cable (71) so as to be cut by the cutting assembly (5), and the straightening and deflection wheel set (3) is used for straightening and deflection of the cable (71) passing therethrough.

2. The cable straightening and length cutting apparatus of claim 1, wherein, Further comprising a box (8) arranged on the support (1), a heating device (83) is arranged in the box (8), the straightening and deflection wheel set (3) is located in the box (8), and the front end and the rear end of the box (8) are both provided with a threading hole (81) for the cable (71) to pass through.

3. The cable straightening and length cutting apparatus of claim 2, wherein, The box (8) is open on one side and is provided with an openable or closable door plate (82) at the open side.

4. The cable straightening and length cutting apparatus of claim 2, wherein, The straightening and deflection wheel set (3) comprises a tensioning wheel set (31) and a deflection wheel set (32) which are spaced apart along the front-rear direction in the box (8), the tensioning wheel set (31) is used for tensioning the cable (71) between the cable roll (7) and the traction fixed-length wheel set (4), and the deflection wheel set (32) is used for eliminating the deflection of the cable (71).

5. The cable straightening and length cutting apparatus of claim 4, wherein, The tensioning wheel set (31) comprises a sliding wheel (311) and a fixed wheel (312), two fixed wheels (312) are spaced apart along the front-rear direction at the front upper end in the box (8) and are both rotationally connected with the support (1), the sliding wheel (311) is located between the two fixed wheels (312) and is vertically slidably and rotationally connected with the support (1), and the cable (71) passes through the tensioning wheel set (31) in a "U" shape.

6. The cable straightening and length cutting apparatus of claim 4, wherein, The deflection wheel set (32) comprises a plurality of deflection wheels (321), and the cable (71) passes through the plurality of deflection wheels (321) in a serpentine shape and is conveyed rearward to the traction fixed-length wheel set (4).

7. The cable straightening and length cutting apparatus of claim 6, wherein, The plurality of deflection wheels (321) are vertically spaced apart.

8. The cable straightening and length cutting apparatus of claim 4, wherein, A first guide wheel (91) is arranged on the support (1) in front of the box (8), the first guide wheel (91) is aligned with the threading hole (81) in front, a second guide wheel (92) is arranged in the box (8) at the rear, and the second guide wheel (92) is aligned with the threading hole (81) at the rear.

9. The cable straightening and cut-to-length apparatus of claim 1 wherein, The traction length wheel set (4) comprises a driving wheel (41), a driven wheel (42) and a servo motor (43), the driving wheel (41) and the driven wheel (42) are distributed up and down and are attached to each other, the driving wheel (41) is in transmission connection with the servo motor (43), the driving wheel (41) and the driven wheel (42) are flexible wheels, and the cable (71) passes between the driving wheel (41) and the driven wheel (42) and is conveyed backward.

10. The cable straightening and length cutting apparatus of claim 1, wherein, The traction length wheel set (4) and the cutting assembly (5) are also horizontally provided with a wire guide tube (10) for the cable (71) to pass through in the front-rear direction.

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