CN112475129B

CN112475129B - Cutting device for electric wires and cables

Info

Publication number: CN112475129B
Application number: CN202011244018.8A
Authority: CN
Inventors: 杨张平; 潘晓妹; 张良; 李涛; 周亮
Original assignee: Anhui Fuyueda Electronics Co ltd
Current assignee: Anhui Fuyueda Electronics Co ltd
Priority date: 2020-11-10
Filing date: 2020-11-10
Publication date: 2023-03-31
Anticipated expiration: 2040-11-10
Also published as: CN112475129A

Abstract

The invention discloses a cutting device for wires and cables, which comprises a tabletop, a rotating support ring, a wire inlet limiting clamp, a movable clamp, a protective cover and a wire inlet device, wherein the wire inlet device comprises a motor III, a fixed conveying belt, a movable conveying belt and a limiting strip, a waste collecting box is arranged below a waste discharging hole, sliding rails are symmetrically arranged on the left wall and the right wall in the protective cover, a blade driving shaft penetrates through the sliding bearings, a cutting blade is installed on the blade driving shaft, the movable clamp comprises a stabilizing seat, a cylinder II, a support arm and a pressing plate, the sliding shaft is provided with the cylinder II, pressure trigger devices are arranged at the left end and the right end of the sliding shaft, the pressure trigger devices control a pneumatic driving rod, a pneumatic driving rod penetrates through the upper arm of the support arm, and the pressing plate is installed on the lower surface of the pneumatic driving rod. The motor drives the winding roller and rotates, is equipped with the motor simultaneously and drives the inlet wire device, horizontal reciprocal automatic cutout to and remove length measuring anchor clamps, improve degree of automation, improve wire and cable cutting efficiency.

Description

Cutting device for electric wires and cables

Technical Field

The invention relates to the technical field of wire and cable cutting, in particular to a cutting device for a wire and cable.

Background

The electric wire is the wire of transmission electric energy, it mainly used is built on stilts in the open air and indoor busbar and switch box, the cable is an electric energy or signal transmission device, usually constitute by several or several groups of wire, along with the development is rapid, wire and cable is in daily life and industrial production's field demand increase day by day, and the electric wire length that the different places need is different, traditional wire and cable's cutting generally relies on the manpower to go on, degree of automation is end, cutting means is simple, on large-scale wire and cable engineering, engineering efficiency is reduced. Accordingly, a cutting device for wire and cable is provided by those skilled in the art to solve the problems set forth in the background art described above.

Disclosure of Invention

The present invention is directed to a cutting device for electric wire and cable to solve the above-mentioned problems of the background art.

In order to achieve the purpose, the invention provides the following technical scheme:

a cutting device for wires and cables comprises a desktop, a rotating support ring, a wire inlet limit clamp, a movable clamp, a protective cover and a wire inlet device, wherein the wire inlet device comprises a motor III, a fixed conveying belt, a movable conveying belt and a limit strip, a fixed seat is embedded on the upper surface of the desktop, a fixed rotating shaft is installed in the fixed seat and is rotatably connected with the fixed seat, the fixed rotating shaft is sleeved with the fixed conveying belt and a bevel gear I, a limit rod is installed at the upper end of the fixed rotating shaft, the limit strip is installed on the upper surface of the desktop and is provided with a rolling device, the limit strip is positioned between the fixed conveying belt and the movable conveying belt, a sliding groove is formed in the upper surface of the desktop, a cylinder I is arranged in the sliding groove and slides in the sliding groove through a sliding track, a movable rotating shaft is installed at the upper end of the cylinder I, the movable rotating shaft is rotatably connected with the cylinder I, another bevel gear I is sleeved on the movable rotating shaft, the movable conveying belt and one end of the fixed angle frame, the upper end of the movable rotating shaft is slidably connected with the limit rod, the motor III and the support frame, a driving rod are installed on the upper surface of the desktop and are installed with the fixed angle frame, a left bevel gear and a right bevel gear, a right bevel gear are connected with a bevel gear, and a bevel gear, a bevel gear is connected with a bevel gear;

the protective cover is fixedly arranged on the upper surface of the tabletop, a waste discharge hole is formed in the tabletop below the protective cover and penetrates through the upper surface and the lower surface of the tabletop, a waste collecting box is arranged below the waste discharge hole and is positioned on the lower surface of the tabletop, the waste collecting box is clamped with the tabletop, sliding rails are symmetrically arranged on the left wall and the right wall in the protective cover, sliding bearings are arranged in the sliding rails and are in sliding connection with the sliding rails, a blade driving shaft penetrates through the sliding bearings, a cutting blade is arranged on the blade driving shaft, two ends of the blade driving shaft penetrate through the left wall and the right wall of the protective cover, a driven gear is arranged at the right end of the blade driving shaft, a driving clamp is sleeved on the blade driving shaft and is in rotating connection with the blade driving shaft, the protective cover is clamped in the driving clamp, a blade driving hydraulic rod is arranged between the driving clamp and the protective cover, a moving frame is connected to the right arm of the driving clamp, a second motor is arranged in the moving frame, a driving gear is arranged at the left end of the second motor, and the driving gear is meshed with the driven gear;

the movable fixture comprises a stabilizing seat, a second cylinder, a supporting arm and a pressing plate, wherein the stabilizing seat is fixedly installed on the upper surface of the desktop, the upper surface of the stabilizing seat is provided with a groove, a sliding shaft is symmetrically installed on the left wall and the right wall of the groove of the stabilizing seat, the sliding shaft is provided with the second cylinder, the second cylinder is connected with the sliding shaft in a sliding mode, the sliding shaft is provided with pressure trigger devices at the left end and the right end, the pressure trigger devices control the pneumatic driving rod, the two upper surfaces of the cylinders are provided with a base and a supporting arm, the upper arm of the supporting arm penetrates through the pneumatic driving rod, the pressing plate is installed on the lower surface of the pneumatic driving rod, and the lower surface of the pressing plate and the upper surface of the base are provided with anti-slip strips.

As a further scheme of the invention: the rotary supporting ring is composed of a rotary ring cover, a ball, a supporting ring and a supporting plate, the supporting plate is located on the upper surface of the tabletop, the supporting ring is mounted on the upper surface of the supporting plate, and a rolling groove is formed in the upper surface of the supporting ring.

As a still further scheme of the invention: a plurality of balls are arranged in the rolling groove, a rotating ring cover is arranged above the support ring, and the rotating ring cover is rotationally connected with the support ring through the balls.

As a still further scheme of the invention: the lower surface of the table top is provided with a first motor, the first motor is connected with a driving shaft, the driving shaft penetrates through the upper surface and the lower surface of the table top, the upper end of the driving shaft is provided with a self-adjusting rotating shaft, and the self-adjusting rotating shaft is positioned in the middle of the rotating support ring.

As a still further scheme of the invention: the self-adjusting rotating shaft is composed of a first spring, a shaft body and an adjusting plate, a sliding cavity groove is formed in the middle of the shaft body, the adjusting plates are symmetrically arranged in the sliding cavity groove, a plurality of elastic cavity grooves are formed in the adjusting plates, the first spring is arranged in the elastic cavity groove, the adjusting plates are connected with the shaft body in a sliding mode through the sliding cavity grooves, a winding roller is sleeved on the rotating support ring, and the winding roller is located on the upper surface of the rotating support ring.

As a still further scheme of the invention: the inlet wire limiting clamp comprises a support, a lower clamping body and an upper clamping body, the support is fixedly installed on the upper surface of the tabletop, the lower clamping body is installed at the upper end of the support, and the upper clamping body is arranged on the lower clamping body.

As a still further scheme of the invention: the lower clamping body is provided with a rotating device and a thread slot at the upper end, a sliding rod and a threaded rod penetrate through the upper clamping body, the sliding rod is rotatably connected with the lower clamping body through the rotating device, and the sliding rod is slidably connected with the upper clamping body.

As a still further scheme of the invention: go up card body and threaded rod threaded connection, the threaded rod lower extreme passes through thread slot and lower card body threaded connection, presss from both sides the hole between lower card body and the last card body.

As a still further scheme of the invention: the rear surface mounting of base has the mount, installs the trigger plate in the mount, and the trigger plate rotates with the mount to be connected, and the trigger bar is installed to the trigger plate lower extreme, and the trigger bar rotates with the trigger plate to be connected.

As a still further scheme of the invention: the rear surface of base has seted up and has triggered the chamber, triggers the chamber left wall and installs the trigger piece, and the trigger bar is inserted in triggering the intracavity, and the removal piece is installed to the left end of trigger bar, and the cover has spring two on the trigger bar.

Compared with the prior art, the invention has the beneficial effects that:

1. the motor drives the winding roller and rotates, is equipped with the motor simultaneously and drives the inlet wire device, horizontal reciprocal automatic cutout to and remove the length measuring anchor clamps, improve degree of automation, improve wire and cable cutting efficiency.

2. The movable clamp is provided with the trigger device, and the length of the wire and the cable can be cut according to the set length, so that the automatic side length-fixing cutting is realized, the labor cost is reduced, and the engineering construction efficiency is improved.

3. Be equipped with adjustable axis of rotation, use the spring to promote the wire winding roller of the different internal diameters of regulating plate adaptation, satisfy the wire and cable of the different models of multiple diameter, the suitability is stronger.

4. Be equipped with cutting residue collection device and protection casing, conveniently collect the waste residue defective material that the cutting produced, reduce the environmental pollution that the cutting caused, satisfy environmental protection construction requirement.

Drawings

Fig. 1 is a schematic view showing a structure of a cutting apparatus for electric wire and cable.

Fig. 2 is a schematic view showing a blade driving hydraulic lever in a cutting apparatus for electric wire and cable.

Fig. 3 is a schematic view showing a construction of a self-adjusting turning shaft in the cutting apparatus for electric wire and cable.

Fig. 4 is a schematic structural view of a wire feeding device in a cutting device for electric wires and cables.

Fig. 5 is a schematic view showing a structure of a rotary support ring in a cutting apparatus for electric wires and cables.

Fig. 6 is a schematic view showing a structure of a movable clamp in a cutting apparatus for electric wire and cable.

Fig. 7 is an enlarged view of a portion a of fig. 1 in a cutting apparatus for electric wire and cable.

Fig. 8 is a schematic structural view of an incoming line limiting clamp in a cutting device for electric wires and cables.

In the figure: 1. a winding roller; 2. rotating the support ring; 3. a desktop; 4. a first motor; 5. an incoming line limiting clamp; 7. a waste collecting box; 8. a waste discharge hole; 9. a movable clamp; 11. a driven gear; 12. a second motor; 13. a drive gear; 14. a cutting blade; 15. a protective cover; 16. a sliding rail; 17. a wire inlet device; 19. a self-adjusting rotating shaft; 20. the blade drives the hydraulic rod; 21. a drive clamp; 22. a movable frame; 23. a sliding bearing; 24. a first spring; 25. an elastic cavity groove; 26. a sliding cavity groove; 27. a shaft body; 28. an adjusting plate; 29. fixing the rotating shaft; 30. a third motor; 31. a first bevel gear; 32. fixing the conveyor belt; 33. a limiting rod; 34. moving the conveyor belt; 35. a sliding bevel gear; 36. fixing the angle bracket; 37. a drive rod; 38. a support stand; 39. moving the rotating shaft; 40. a sliding groove; 41. a first cylinder; 42. a limiting strip; 43. a second bevel gear; 44. a fixed seat; 201. rotating the ring cover; 202. a ball bearing; 203. a rolling groove; 204. a support ring; 205. a support plate; 501. a support; 502. a lower card body; 503. a slide bar; 504. an upper clamp body; 505. a threaded rod; 901. a sliding shaft; 902. a stabilizing base; 903. a second air cylinder; 904. anti-slip strips; 905. a pneumatic drive rod; 906. pressing a plate; 907. a support arm; 908. a base; 909. a second spring; 910. a trigger piece; 911. moving the sheet; 912. a trigger chamber; 913. a trigger plate; 914. a fixed mount; 915. a trigger lever.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.

Referring to fig. 1 to 8, in an embodiment of the present invention, a cutting device for an electric wire and cable includes a table top 3, a rotating support ring 2, a wire feeding limit clamp 5, a movable clamp 9, a protective cover 15, and a wire feeding device 17, where the rotating support ring 2 includes a rotating ring cover 201, balls 202, a support ring 204, and a support plate 205, the support plate 205 is located on an upper surface of the table top 3, the support ring 204 is mounted on the upper surface of the support plate 205, a rolling groove 203 is formed on the upper surface of the support ring 204, the rolling groove 203 is provided with a plurality of balls 202, the rotating ring cover 201 is disposed above the support ring 204, the rotating ring cover 201 is rotatably connected to the support ring 204 through the balls 202, a motor one 4 is mounted on a lower surface of the table top 3, the motor one 4 is connected to a driving shaft, the driving shaft penetrates through upper and lower surfaces of the table top 3, a self-adjusting rotating shaft 19 is mounted on an upper end of the driving shaft, the self-adjusting shaft 19 is located in the middle of the rotating support ring 2, the self-adjusting shaft 19 is composed of a spring one 24, a shaft body 27, an adjusting plate 28, a sliding cavity groove 26 is formed in the middle of the sliding cavity groove 26, the sliding plate 28 is symmetrically formed in the inner of the sliding cavity groove 26, the rotating support ring 2, the adjusting plate 28, the sliding cavity is connected to the rotating support ring 1, and the rotating support ring 2, the rotating support ring 2;

the incoming line limiting card 5 comprises a support 501, a lower card body 502 and an upper card body 504, the support 501 is fixedly mounted on the upper surface of the desktop 3, the lower card body 502 is mounted at the upper end of the support 501, the upper card body 504 is arranged on the lower card body 502, a rotating device and a threaded slot are arranged at the upper end of the lower card body 502, a sliding rod 503 and a threaded rod 505 penetrate through the upper card body 504, the sliding rod 503 is rotatably connected with the lower card body 502 through the rotating device, the sliding rod 503 is slidably connected with the upper card body 504, the upper card body 504 is in threaded connection with the threaded rod 505, the lower end of the threaded rod 505 is in threaded connection with the lower card body 502 through the threaded slot, and a hole is clamped between the lower card body 502 and the upper card body 504;

the wire inlet device 17 comprises a motor III 30, a fixed conveying belt 32, a movable conveying belt 34 and a limiting strip 42, a fixed seat 44 is embedded on the upper surface of the table top 3, a fixed rotating shaft 29 is installed in the fixed seat 44, the fixed rotating shaft 29 is rotatably connected with the fixed seat 44, the fixed conveying belt 32 and a bevel gear I31 are sleeved on the fixed rotating shaft 29, a limiting rod 33 is installed at the upper end of the fixed rotating shaft 29, the limiting strip 42 is installed on the upper surface of the table top 3, a rolling device is arranged on the upper surface of the limiting strip 42, the limiting strip 42 is located between the fixed conveying belt 32 and the movable conveying belt 34, a sliding groove 40 is formed in the upper surface of the table top 3, a cylinder I41 is arranged in the sliding groove 40, the cylinder I41 slides in the sliding groove 40 through a sliding track, the movable rotating shaft 39 is installed at the upper end of the cylinder I41, and the movable rotating shaft 39 is rotatably connected with the cylinder I41, one end of another bevel gear I31, a movable conveyor belt 34 and a fixed angle bracket 36 are sleeved on a movable rotating shaft 39, the upper end of the movable rotating shaft 39 is connected with a limiting rod 33 in a sliding manner, a motor III 30 and a supporting vertical frame 38 are installed on the upper surface of the desktop 3, a driving rod 37 is installed on the motor III 30, the right end of the driving rod 37 is connected with the supporting vertical frame 38 in a rotating manner, a bevel gear II 43, a sliding bevel gear 35 and the other end of the fixed angle bracket 36 are sleeved on the driving rod 37, the bevel gear II 43 is fixedly installed on the driving rod 37, the bevel gear II 43 is meshed with the bevel gear I31 on the left side, the sliding bevel gear 35 is connected with the fixed angle bracket 36 in a rotating manner, the fixed angle bracket 36 and the sliding bevel gear 35 are connected with the driving rod 37 in a left-right sliding manner, and the sliding bevel gear 35 is meshed with the bevel gear I31 on the right side;

the protective cover 15 is fixedly arranged on the upper surface of the tabletop 3, a waste discharge hole 8 is formed in the tabletop 3 below the protective cover 15, the waste discharge hole 8 penetrates through the upper surface and the lower surface of the tabletop 3, a waste collecting box 7 is arranged below the waste discharge hole 8, the waste collecting box 7 is located on the lower surface of the tabletop 3, the waste collecting box 7 is clamped with the tabletop 3, sliding rails 16 are symmetrically arranged on the left wall and the right wall in the protective cover 15, sliding bearings 23 are arranged in the sliding rails 16, the sliding bearings 23 are in sliding connection with the sliding rails 16, a blade driving shaft penetrates through the sliding bearings 23, cutting blades 14 are arranged on the blade driving shaft, two ends of the blade driving shaft penetrate through the left wall and the right wall of the protective cover 15, driven gears 11 are arranged at the right ends of the blade driving shafts, driving clamps 21 are rotatably connected with the blade driving shafts, the protective cover 15 are clamped in the driving clamps 21, blade driving hydraulic rods 20 are arranged between the driving clamps 21 and the protective cover 15, the right arm of the driving clamps 21 is connected with a moving frame 22, a second motor 12 is arranged in the moving frame 22, a driving gear 13 is arranged at the left end of the second motor 12, and the driving gear 13 is meshed with the driven gear 11;

the movable clamp 9 comprises a stabilizing seat 902, a second cylinder 903, a support arm 907 and a pressing plate 906, wherein the stabilizing seat 902 is fixedly installed on the upper surface of the desktop 3, a groove is formed in the upper surface of the stabilizing seat 902, sliding shafts 901 are symmetrically installed on the left wall and the right wall of the groove of the stabilizing seat 902, the second cylinder 903 is arranged on the sliding shafts 901, the second cylinder 903 is connected with the sliding shafts 901 in a left-right sliding mode, pressure trigger devices are arranged at the left end and the right end of the sliding shafts 901, the pressure trigger devices control pneumatic driving rods 905, a base 908 and the support arm 907 are installed on the upper surface of the second cylinder 903, a pneumatic driving rod 905 penetrates through the upper arm of the support arm 907, the pressing plate 906 is installed on the lower surface of the pneumatic driving rod 905, anti-slip strips 904 are arranged on the lower surface of the pressing plate 906 and the upper surface of the base 908, a fixing frame 914 is installed on the rear surface of the base 908, a trigger plate 913 is installed in the fixing frame 914, the triggering plate 913 is rotatably connected with the fixing frame 914, a trigger rod 915 is installed at the lower end of the trigger rod 913, the trigger rod 915 is rotatably connected with the trigger plate 913, a trigger spring 909 is installed on the left wall of the trigger cavity 912, and a spring 909 is installed on the left end of the trigger rod 915.

The working principle of the invention is as follows: the finished winding roller 1 is clamped on the self-adjusting rotating shaft 19 through a middle hole, the adjusting plate 28 is ejected out by a first spring 24 in the self-adjusting rotating shaft 19 to adapt to the winding rollers 1 with different inner diameters, the rotating support ring 2 plays a role in supporting the winding rollers 1, meanwhile, the rotating efficiency of the winding rollers 1 in the wire outgoing process is improved, the first motor 4 plays a role in assisting the automatic rotation of the winding rollers 1, the wire and cable pass through the wire inlet limiting clamp 5, the wire inlet limiting clamp 5 adjusts the hole distance between the lower clamp body 502 and the upper clamp body 504 through the adjusting threaded rod 505 and the sliding rod 503 to adapt to the wire and cable with different thicknesses, and the wire inlet limiting clamp 5 mainly plays a role in keeping the uniform height of the wire and cable in the wire incoming process;

the wire and cable are clamped and conveyed by the wire inlet device 17, the motor III 30 drives the bevel gear II 43 and the sliding bevel gear 35 through the driving rod 37 so as to drive the bevel gear I31 to rotate, the bevel gear I31 drives the fixed conveying belt 32 and the movable conveying belt 34 to rotate through the fixed rotating shaft 29 and the movable rotating shaft 39, the movable air cylinder I41 drives the movable conveying belt 34 to move left and right, so that the fixed conveying belt 32 and the movable conveying belt 34 clamp the wire and cable, in the rotating process, the wire and cable are conveyed into the protective cover 15, and the limiting rod 33 and the limiting strip 42 play a role in limiting and prevent the wire and cable from being separated from the wire inlet device 17;

the electric wire and cable enter the movable clamp 9 after passing through the protective cover 15, when the electric wire and cable moves, the trigger plate 913 is pushed, the trigger rod 915 is pushed by the trigger plate 913 through the lever action, the moving piece 911 is in contact with the trigger piece 910, the pneumatic driving rod 905 is triggered to drive the pressing plate 906 to move downwards, the electric wire and cable is fixedly clamped on the base 908, the length of the sliding shaft 901 is fifty centimeters, the second air cylinder 903 drives the base 908 to drive the electric wire and cable to slide, when the second air cylinder 903 touches the right end of the sliding shaft 901, the pneumatic driving rod 905 drives the pressing plate 906 to move upwards, meanwhile, the second air cylinder 903 moves leftwards, when the second air cylinder 903 touches the left end of the sliding shaft 901, the pneumatic driving rod 905 drives the pressing plate 906 to move downwards, the electric wire and cable are pressed, the electric wire and cable is pulled in a reciprocating mode, and the length of the electric wire and cable which needs to be cut is determined;

when needs cutting, blade drive hydraulic stem 20 presss from both sides 21 through the drive and drives blade drive shaft reciprocating motion front and back, and two 12 motors drive driven gear 11 through drive gear 13 and rotate, and then make the blade drive shaft drive cutting blade 14 and rotate, cut wire and cable, and the residue of twining the body is in the waste material box 7 of getting into through waste material discharge hole 8 in the cutting.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered as the technical solutions and the inventive concepts of the present invention within the technical scope of the present invention.

Claims

1. A cutting device for wires and cables comprises a tabletop (3), a rotary supporting ring (2), a wire inlet limiting clamp (5), a movable clamp (9), a protective cover (15) and a wire inlet device (17), and is characterized in that the wire inlet device (17) comprises a motor III (30), a fixed conveying belt (32), a movable conveying belt (34) and a limiting strip (42), a fixed fixing seat (44) is embedded on the upper surface of the tabletop (3), a fixed rotating shaft (29) is installed in the fixing seat (44), the fixed rotating shaft (29) is rotatably connected with the fixing seat (44), the fixed rotating shaft (29) is sleeved with the fixed conveying belt (32) and a bevel gear I (31), a limiting rod (33) is installed at the upper end of the fixed rotating shaft (29), a limiting strip (42) is installed on the upper surface of the tabletop (3), a rolling device is arranged on the upper surface of the limiting strip (42), the limiting strip (42) is located between the fixed conveying belt (32) and the movable conveying belt (34), a sliding groove (40) is formed in the upper surface of the tabletop (3), a first air cylinder (41) is arranged in the sliding groove (40), the rotating shaft (41) is slidably installed in the sliding groove (40), the movable rotating groove (39) and the movable air cylinder (39) is connected with the movable rotating shaft (39), the upper end of the movable rotating shaft (39) is connected with the limiting rod (33) in a sliding mode, the upper surface of the desktop (3) is provided with a motor III (30) and a supporting vertical frame (38), the motor III (30) is provided with a driving rod (37), the right end of the driving rod (37) is connected with the supporting vertical frame (38) in a rotating mode, the driving rod (37) is sleeved with a bevel gear II (43), a sliding bevel gear (35) and the other end of the fixed angular frame (36), the bevel gear II (43) is fixedly arranged on the driving rod (37), the bevel gear II (43) is meshed with the bevel gear I (31) on the left side, the sliding bevel gear (35) is connected with the fixed angular frame (36) in a rotating mode, the fixed angular frame (36) and the sliding bevel gear (35) are connected with the driving rod (37) in a left-right sliding mode, and the sliding bevel gear (35) is meshed with the bevel gear I (31) on the right side;

the protective cover (15) is fixedly arranged on the upper surface of the tabletop (3), a waste discharge hole (8) is formed in the tabletop (3) below the protective cover (15), the waste discharge hole (8) penetrates through the upper surface and the lower surface of the tabletop (3), a waste collecting box (7) is arranged below the waste discharge hole (8), the waste collecting box (7) is positioned on the lower surface of the tabletop (3), the waste collecting box (7) is clamped with the tabletop (3), sliding rails (16) are symmetrically arranged on the left wall and the right wall in the protective cover (15), sliding bearings (23) are arranged in the sliding rails (16), the sliding bearings (23) are in sliding connection with the sliding rails (16), a blade driving shaft penetrates between the sliding bearings (23), cutting blades (14) are arranged on the blade driving shaft, two ends of the blade driving shaft penetrate through the left wall and the right wall of the protective cover (15), a driven gear (11) is arranged at the right end of the blade driving shaft, a driving clamp (21) is arranged on the blade driving shaft, the driving clamp (21) is rotatably sleeved with the blade driving shaft, a driving clamp (21) is arranged on the driving shaft, a hydraulic frame (12) with a moving motor (12) arranged in a moving arm (12) which a moving rod (12) is arranged in the driving clamp (21), the driving gear (13) is meshed with the driven gear (11);

but movable clamp (9) are including firm seat (902), cylinder two (903), support arm (907), clamp plate (906), firm seat (902) fixed mounting is in desktop (3) upper surface, firm seat (902) upper surface is equipped with the groove, slip shaft (901) are installed to the groove left and right wall symmetry of firm seat (902), be equipped with cylinder two (903) on slip shaft (901), cylinder two (903) and slip shaft (901) horizontal sliding connection, both ends are equipped with pressure trigger about slip shaft (901), pressure trigger control pneumatic actuating lever (905), cylinder two (903) upper surface mounting has base (908) and support arm (907), support arm (907) upper arm runs through pneumatic drive pole (905), the lower surface mounting of pneumatic drive pole (905) has clamp plate (906), the lower surface of clamp plate (906) and the upper surface of base (908) all are equipped with antislip strip (904).

2. The cutting device for the electric wires and cables as claimed in claim 1, wherein the rotating support ring (2) is composed of a rotating ring cover (201), balls (202), a support ring (204) and a support plate (205), the support plate (205) is located on the upper surface of the table top (3), the support ring (204) is installed on the upper surface of the support plate (205), and a rolling groove (203) is formed in the upper surface of the support ring (204).

3. The cutting device for the electric wires and cables as claimed in claim 2, wherein a plurality of balls (202) are arranged in the rolling groove (203), a rotating ring cover (201) is arranged above the support ring (204), and the rotating ring cover (201) is rotatably connected with the support ring (204) through the balls (202).

4. A cutting device for electric wires and cables according to claim 1, characterized in that the lower surface of the table top (3) is provided with a motor (4), the motor (4) is connected with a driving shaft, the driving shaft penetrates through the upper surface and the lower surface of the table top (3), the upper end of the driving shaft is provided with a self-adjusting rotating shaft (19), and the self-adjusting rotating shaft (19) is positioned in the middle of the rotating support ring (2).

5. The cutting device for the electric wires and cables according to claim 4, wherein the self-adjusting rotating shaft (19) is composed of a first spring (24), a shaft body (27) and an adjusting plate (28), a sliding cavity groove (26) is formed in the middle of the inside of the shaft body (27), the adjusting plate (28) is symmetrically arranged in the sliding cavity groove (26), a plurality of elastic force cavity grooves (25) are formed in the adjusting plate (28), the first spring (24) is arranged in the elastic force cavity groove (25), the adjusting plate (28) is in sliding connection with the shaft body (27) through the sliding cavity groove (26), the winding roller (1) is sleeved on the rotating support ring (2), and the winding roller (1) is located on the upper surface of the rotating support ring (2).

6. The cutting device for the electric wires and cables as claimed in claim 1, wherein the incoming wire limiting clamp (5) comprises a support (501), a lower clamp body (502) and an upper clamp body (504), the support (501) is fixedly installed on the upper surface of the table top (3), the lower clamp body (502) is installed at the upper end of the support (501), and the upper clamp body (504) is arranged on the lower clamp body (502).

7. The cutting device for electric wires and cables as claimed in claim 6, wherein the lower body (502) is provided with a rotating device and a threaded slot at the upper end thereof, the upper body (504) is internally penetrated with a sliding rod (503) and a threaded rod (505), the sliding rod (503) is rotatably connected with the lower body (502) by the rotating device, and the sliding rod (503) is slidably connected with the upper body (504).

8. The cutting device for electric wires and cables as claimed in claim 5, wherein the upper clamping body (504) is in threaded connection with a threaded rod (505), the lower end of the threaded rod (505) is in threaded connection with the lower clamping body (502) through a threaded slot, and a hole is formed between the lower clamping body (502) and the upper clamping body (504).

9. The cutting device for the electric wire and cable as claimed in claim 1, wherein a fixing frame (914) is installed on a rear surface of the base (908), a trigger plate (913) is installed in the fixing frame (914), the trigger plate (913) is rotatably connected with the fixing frame (914), a trigger rod (915) is installed at a lower end of the trigger plate (913), and the trigger rod (915) is rotatably connected with the trigger plate (913).

10. The cutting device for the electric wires and cables as claimed in claim 1, wherein a triggering cavity (912) is formed in the rear surface of the base (908), a triggering piece (910) is installed on the left wall of the triggering cavity (912), the triggering rod (915) is inserted into the triggering cavity (912), a moving piece (911) is installed at the left end of the triggering rod (915), and a second spring (909) is sleeved on the triggering rod (915).