CN117400364B - Automatic cutting machine equipment for polyethylene mooring ropes - Google Patents

Abstract

The invention relates to the technical field of cable cutting, in particular to an automatic polyethylene cable cutting machine device; comprises a base; the upper end face of the base is provided with a chute, a bearing plate is slidably arranged in the chute through a linear guide rail, two groups of extrusion blocks are symmetrically arranged on the bearing plate in a left-right mode, the number of each group of extrusion blocks is two, the opposite faces of the two extrusion blocks of each group are provided with arc grooves, the rear side of the base is provided with a cutting mechanism, and the base is provided with a driving mechanism for driving the extrusion blocks and the bearing plate to move; according to the cutting mechanism, the polyethylene cable is cut through the metal wire, meanwhile, the metal wire is driven by the wire wheel to continuously and circularly move in the cutting process, the cutting position of the metal wire is changed, the situation that the single position of the metal wire is excessively used is avoided, molten polyethylene adhered to the surface of the metal wire can be cleaned through extrusion of fluororubber in the moving process of the metal wire, and therefore the effect that the polyethylene adhered to the surface of the metal wire affects the cutting effect of the polyethylene cable is avoided.

Description

Automatic cutting machine equipment for polyethylene mooring ropes

Technical Field

The invention relates to the technical field of cable cutting, in particular to an automatic polyethylene cable cutting machine.

Background

The polyethylene cable is a rope made of polyethylene material, has the characteristics of good wear resistance, chemical stability, low density and the like, is commonly applied to aspects of hoisting, traction, binding, hanging and the like, is usually supplied in a roll form, and can be used practically, and a polyethylene cable with a specific length is required to be cut, so that the polyethylene cable with the required length is required to be cut by a thermal cutting method, wherein the thermal cutting method is that an electric heating knife generates a high enough temperature at a cutting position to soften the polyethylene material and cut the polyethylene cable rapidly.

However, the current polyethylene cables have the following problems in the process of being cut: in the process of cutting the cable by the electric heating knife, the polyethylene cable is melted, and the partially melted substance wraps the electric heating knife to block heat, so that the hot cutting processing of the electric heating knife is affected, and after the electric heating knife cuts the polyethylene cable, the cutting end of the cable is subjected to thermal deformation, so that the shape of the cutting end position of the polyethylene cable is irregular, and the cutting end of the polyethylene cable is loosened.

Disclosure of Invention

In view of the above problems, the embodiments of the present invention provide an automatic cutting machine for polyethylene cables, so as to solve the technical problems existing in the process of hot cutting the polyethylene cables in the related art.

In order to achieve the above object, the embodiment of the present invention provides the following technical solutions: the embodiment of the invention provides an automatic cutting machine for a polyethylene cable, which comprises a base; the base up end seted up the spout, have the bearing plate through linear guide sliding mounting in the spout, the notch that runs through the base is seted up to the spout diapire, bilateral symmetry is provided with two sets of extrusion pieces on the bearing plate, the figure of every extrusion piece of group is two, two extrusion piece opposite faces of every group have seted up the arc groove, sliding connection around through linear guide between two extrusion pieces of same group and the bearing plate, the base rear side is provided with cutting mechanism, is provided with the actuating mechanism who is used for driving extrusion piece and bearing plate removal on the base.

The cutting mechanism comprises a U-shaped groove, the U-shaped groove is formed in the rear side of the base, a template is rotatably mounted in the U-shaped groove through a shaft column, the left end of the shaft column rotates to penetrate the base, a rotating shaft located right above the shaft column is rotatably mounted on a horizontal section of the upper end of the template, wire wheels are sleeved on the shaft column and the rotating shaft, the two wire wheels are vertically symmetrical, a wire connected end to end is wound between the two wire wheels, an electromagnetic heating ring is mounted on the upper portion of a vertical section of the template, the front portion of the wire penetrates the electromagnetic heating ring, a fixing tube is mounted on the lower portion of the vertical section of the template, fluororubber is arranged in the fixing tube, the rear portion of the wire is penetrated through the fixing tube, a linkage unit for driving the wire wheels to rotate is arranged on the left side of the bearing plate 12, and a sealing unit is arranged on the extrusion block.

As the preferred scheme, seal the unit include waist type hole, offered a waist type hole and a track groove on two extrusion pieces of same group respectively, two waist type holes and two track grooves of same group are central symmetry and arrange, the track groove comprises horizontal segment and circular arc section, the waist type hole on same extrusion piece is close to the horizontal segment of track groove and is parallel rather than, the relative face of controlling two extrusion pieces all slides and is provided with an arc, the hot plate is installed to the arc inner wall, slidable mounting has the bracing piece of being connected with the arc in the track groove, slidable mounting has the axostylus axostyle in the waist type hole, offered the arc groove with axostylus axostyle sliding connection on the arc, the opposite sides of controlling two extrusion pieces all are provided with the locating part, the locating part is provided with the regulating part on the opposite sides.

As the preferred scheme, the regulating part include the extension board, install the extension board on the bearing board, all install the extension board on the bearing board and the base, two extension board symmetry settings, rotate on the extension board and install the rotary drum with track groove circular arc section coaxial, the drive plate is installed to one side that the rotary drum is close to the extrusion piece, set up the guide way on the drive plate, and the tip that the rotary drum axis direction was kept away from to the guide way is the opening form, the bracing piece slides and runs through the guide way, be provided with the tooth of evenly arranging along rotary drum circumference direction on the drive plate, the driving gear is installed through the roller rotation to the extension board side, and driving gear and tooth meshing.

As the preferred scheme, actuating mechanism include the lead screw, base up end front side bilateral symmetry is provided with two axle seats, rotates between two axle seats and installs the lead screw, installs the spiral shell piece on the lead screw, and spiral shell piece and bearing plate fixed connection, fixed mounting has the guide bar between two axle seats, and guide bar and spiral shell piece sliding connection, installs two-way screw rod through the bilateral symmetry rotation of axle plate on the bearing plate, two extrusion pieces of every group and the corresponding screw thread section threaded connection on the two-way screw rod that corresponds.

As the preferred scheme, the locating part include two risers that set up on the extrusion piece, and two risers respectively with track groove and waist type hole one-to-one, offered the spacing groove on the riser, the spacing groove comprises slope part and horizontal part, all be provided with on bracing piece and the axostylus axostyle with corresponding spacing groove sliding fit's roller bearing.

As the preferred scheme, the linkage unit include the backup pad, install the backup pad on the base, offered the arc groove in the backup pad, the pivot that is located the top is slided and is run through the arc groove, the left side of backup pad is provided with the arc rack, install in the pivot that is located the top with arc gear engagement's straight-line gear, the centre of a circle of arc groove and arc rack are all on the axis of shaft post.

As the preferable scheme, the inner wall of the arc groove of the extrusion block is uniformly provided with convex points, and the opposite surfaces of the two extrusion blocks in the same group are respectively provided with a rubber pad.

The above technical solutions in the embodiments of the present invention have at least one of the following technical effects: 1. according to the cutting mechanism, the polyethylene cable is cut through the metal wire, meanwhile, the metal wire is driven by the wire wheel to continuously and circularly move in the cutting process, the cutting position of the metal wire is changed, the situation that the single position of the metal wire is excessively used is avoided, molten polyethylene adhered to the surface of the metal wire can be cleaned through extrusion of fluororubber in the moving process of the metal wire, and therefore the effect that the polyethylene adhered to the surface of the metal wire affects the cutting effect of the polyethylene cable is avoided.

2. According to the sealing unit, the two opposite arc plates are butted through the rotation of the driving plate, then the two combined arc plates extrude the cutting end of the polyethylene cable and drive the cutting end of the polyethylene cable to be screwed up, so that when the heating plate heats the cutting end of the polyethylene cable, polyethylene can be closely attached, melted and connected together, and the sealing quality after the polyethylene cable is cut is ensured.

3. According to the invention, the passing electric conductor such as the metal wire can be rapidly heated through the electromagnetic heating ring, so that the cutting efficiency is improved, the electromagnetic heating ring can realize non-contact heating, the metal wire is prevented from being directly contacted with a power supply, and the risk of electric contact in the use process is reduced.

Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only embodiments of the present invention, and that other drawings can be obtained according to the provided drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic view of a first view structure according to the present invention.

Fig. 2 is a schematic view of a second view structure according to the present invention.

Fig. 3 is a schematic view of a third view structure according to the present invention.

Fig. 4 is a schematic view of a fourth view structure of the present invention (without the cutting mechanism).

Fig. 5 is a schematic view of a sealing unit according to the present invention.

Fig. 6 is a schematic structural view of the sealing unit, the limiting member and the adjusting member according to the present invention.

Fig. 7 is an exploded view of a portion of the structure of fig. 6.

Reference numerals: 10. a base; 11. a chute; 12. a bearing plate; 13. extruding a block; 2. a cutting mechanism; 20. a U-shaped groove; 21. templates; 22. a shaft post; 23. a rotating shaft; 24. a wire wheel; 25. a wire; 26. an electromagnetic heating ring; 27. a fixed tube; 28. fluororubber; 4. a linkage unit; 40. a support plate; 41. an arc groove; 42. an arc-shaped rack; 43. spur gears; 5. a sealing unit; 50. a waist-shaped hole; 51. a track groove; 52. an arc-shaped plate; 53. a heating plate; 54. a support rod; 55. a shaft lever; 56. an adjusting member; 561. a support plate; 562. a rotating drum; 563. a driving plate; 564. a guide groove; 565. teeth; 566. a drive gear; 57. a limiting piece; 570. a vertical plate; 571. a limit groove; 572. a roller; 3. a driving mechanism; 30. a screw rod; 31. a screw block; 32. a bidirectional screw.

Detailed Description

In order that the above objects, features and advantages of the invention will be readily understood, a more particular description of the invention will be rendered by reference to the appended drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention may be embodied in many other forms than described herein and similarly modified by those skilled in the art without departing from the spirit of the invention, whereby the invention is not limited to the specific embodiments disclosed below.

As shown in fig. 1, an automatic polyethylene cable cutter apparatus includes a base 10; the base 10 up end set up spout 11, have installed bearing plate 12 through linear guide (not shown in the figure) slidable in the spout 11, the notch that runs through base 10 is seted up to the spout 11 diapire, bilateral symmetry is provided with two sets of extrusion piece 13 on the bearing plate 12, the quantity of every extrusion piece 13 of group is two, the arc groove has been seted up to two extrusion piece 13 opposite faces of every group, sliding connection around through linear guide (not shown in the figure) between two extrusion piece 13 and the bearing plate 12 of same group, the base 10 rear side is provided with cutting mechanism 2, is provided with the actuating mechanism 3 that is used for driving extrusion piece 13 and bearing plate 12 to remove on the base 10.

As shown in fig. 1, 2 and 4, the driving mechanism 3 includes a screw rod 30, two shaft seats are symmetrically arranged on the front side of the upper end surface of the base 10, the screw rod 30 is rotatably installed between the two shaft seats, a screw block 31 is installed on the screw rod 30, the screw block 31 is fixedly connected with the bearing plate 12, a guide rod is fixedly installed between the two shaft seats, the guide rod is slidably connected with the screw block 31, a bidirectional screw rod 32 is rotatably installed on the bearing plate 12 through the bilateral symmetry of the shaft plate, and two extrusion blocks 13 of each group are in threaded connection with corresponding thread segments on the corresponding bidirectional screw rod 32.

When the device is specifically operated, two external first motors are installed on the bearing plate 12 and used for driving two bidirectional screws 32, the external first motors are operated to drive the bidirectional screws 32 to rotate, the bidirectional screws 32 are rotated to drive the corresponding two extrusion blocks 13 to move close to each other, the external clamping mechanisms are installed on the base 10 and used for clamping the polyethylene cables, when the external clamping mechanisms are operated to limit movement, the cutting mechanisms 2 are operated to cut off and seal the polyethylene cables, then the external first motors on the right side drive the right bidirectional screws 32 to reversely rotate, the corresponding two extrusion blocks 13 are far away from each other, at the moment, the polyethylene cables cut off on the right side drop off to be concentrated and collected, then the external second motors installed on the base 10 are operated to drive the screw 30 to rotate, the screw 30 is rotated to drive the screw block 31 to move rightwards, the bearing plate 12 and the extrusion block 13 to move rightwards, the external clamping mechanisms are installed on the base 10 and used for clamping the polyethylene cables, when the external clamping mechanisms are operated, the external clamping mechanisms are moved upwards and then pass through the corresponding extrusion blocks 13 from right to clamp the ends of the polyethylene cables, then the left side motor on the left side drives the left side to reversely rotate, the corresponding two extrusion blocks 13 are driven to reversely move the corresponding two extrusion blocks 13 to cut off the polyethylene cables, and the length of the polyethylene cables is required to be cut off, and then the polyethylene cables are cut off to be clamped by the screw 2, and the screw 12 is pulled out, and the length of the polyethylene cables is required to be cut and cut.

As shown in fig. 5, the inner walls of the arc grooves of the extrusion blocks 13 are uniformly provided with convex points (not shown in the figure), and the opposite surfaces of the two extrusion blocks 13 in the same group are provided with rubber pads; during specific work, friction force between the extrusion blocks 13 and the polyethylene cable can be increased by the protruding points, impact force when the two extrusion blocks 13 are close to each other is relieved by the rubber pad on one hand, and on the other hand, the rubber pad is of a flexible structure along with extrusion between the extrusion blocks 13 and is compressed when being extruded, so that the extrusion blocks 13 further extrude the polyethylene cable, and smoothness and stability of movement of the extrusion blocks 13 extruding the polyethylene cable are guaranteed.

As shown in fig. 1, fig. 2 and fig. 3, the cutting mechanism 2 comprises a U-shaped groove 20, the rear side of the base 10 is provided with the U-shaped groove 20, a type plate 21 is rotatably installed in the U-shaped groove 20 through a shaft column 22, the left end of the shaft column 22 rotatably penetrates through the base 10, a rotating shaft 23 positioned right above the shaft column 22 is rotatably installed at the horizontal section of the upper end of the type plate 21, wire wheels 24 are respectively sleeved on the shaft column 22 and the rotating shaft 23, the two wire wheels 24 are vertically symmetrical, a wire 25 connected end to end is wound between the two wire wheels 24, an electromagnetic heating ring 26 is installed at the upper part of the vertical section of the type plate 21, the front part of the wire 25 penetrates through the electromagnetic heating ring 26, a fixed pipe 27 is installed at the lower part of the vertical section of the type plate 21, a fluororubber 28 is arranged inside the fixed pipe 27, the rear part of the wire 25 penetrates through the fixed pipe 27, a linkage unit 4 for driving the wire wheels 24 to rotate is arranged at the left side of the bearing plate 12, and a sealing unit 5 is arranged on the extrusion block 13.

As shown in fig. 2 and 3, the linkage unit 4 includes a support plate 40, the base 10 is provided with the support plate 40, the support plate 40 is provided with an arc slot 41, the rotating shaft 23 above is slidably penetrated through the arc slot 41, the left side of the support plate 40 is provided with an arc rack 42, the rotating shaft 23 above is provided with a spur gear 43 engaged with the arc gear, and the centers of the arc slot 41 and the arc rack 42 are both on the axis of the axle post 22.

When the extrusion block 13 is particularly in operation, after the polyethylene cable is clamped, an external motor III is arranged on the base 10 and is used for driving the rotating shaft 23, the external motor III runs to drive the shaft column 22 to rotate, the template 21 rotates synchronously towards the direction of the polyethylene cable by taking the shaft column 22 as the center of a circle, the rotating shaft 23 rotates synchronously, the straight gear 43 is meshed with the arc gear, in the rotating process of the template 21, the rotating shaft 23 rotates synchronously, the two wire wheels 24 rotate in the same direction to drive the metal wire 25 to rotate, the metal wire 25 passes through the electromagnetic heating ring 26 in the rotating process of the metal wire 25, the electromagnetic heating ring 26 heats the passing metal wire 25, the heated metal wire 25 cuts the polyethylene cable along with the rotation of the template 21, the melted polyethylene material adhered to the metal wire 25 moves to the position of the fluororubber 28 in the cutting process, and the fluororubber 28 is tightly adhered to the metal wire 25 through the fixing shell, so that the fluororubber 28 cleans the passing metal wire 25, and the cutting effect of the polyethylene cable is ensured.

As shown in fig. 2, 5, 6 and 7, the sealing unit 5 includes a waist-shaped hole 50, a waist-shaped hole 50 and a track groove 51 are respectively formed on two extrusion blocks 13 in the same group, the two waist-shaped holes 50 and the two track grooves 51 in the same group are all arranged in a central symmetry manner, the track groove 51 is composed of a horizontal section and an arc section, the waist-shaped hole 50 on the same extrusion block 13 is close to the horizontal section of the track groove 51 and is parallel to the horizontal section, an arc plate 52 is slidingly arranged on opposite surfaces of the left extrusion block 13 and the right extrusion block 13, a heating plate 53 is mounted on the inner wall of the arc plate 52, a supporting rod 54 connected with the arc plate 52 is slidingly mounted in the track groove 51, a shaft rod 55 is slidingly mounted in the waist-shaped hole 50, an arc groove connected with the shaft rod 55 is slidingly mounted on the arc plate 52, a limiting piece 57 is arranged on opposite back surfaces of the left extrusion block 13 and the right extrusion block 57, and an adjusting piece 56 is arranged on opposite back sides of the limiting piece 57.

As shown in fig. 2, fig. 4, fig. 6 and fig. 7, the adjusting member 56 comprises a supporting plate 561, the supporting plate 561 is mounted on the supporting plate 12 and the base 10, the two supporting plates 561 are symmetrically arranged, a rotary drum 562 coaxial with the circular arc section of the track groove 51 is rotatably mounted on the supporting plate 561, a driving plate 563 is mounted on one side of the rotary drum 562 close to the extrusion block 13, a guide groove 564 is formed in the driving plate 563, the end part of the guide groove 564 far away from the axis of the rotary drum 562 is in an opening shape, the supporting rod 54 slides to penetrate the guide groove 564, teeth 565 uniformly distributed along the circumferential direction of the rotary drum 562 are arranged on the driving plate 563, a driving gear 566 is rotatably mounted on the side end of the supporting plate 561 through a roller shaft, and the driving gear 566 is meshed with the teeth 565.

As shown in fig. 1, 6 and 7, the limiting member 57 includes two vertical plates 570 disposed on the extrusion block 13, the two vertical plates 570 are respectively in one-to-one correspondence with the track grooves 51 and the waist-shaped holes 50, the vertical plates 570 are provided with limiting grooves 571, the limiting grooves 571 are composed of inclined portions and horizontal portions, and the supporting rods 54 and the shaft rods 55 are respectively provided with a roller 572 in sliding fit with the corresponding limiting grooves 571.

In specific operation, after the heating wire 25 is opposite to the area between the two opposite left and right arc plates 52, the heating wire 25 cuts the polyethylene cable, the plate 21 drives the wire 25 to be far away from the polyethylene cable for resetting, then the corresponding roller shaft and the driving gear 566 connected on the roller shaft are driven to rotate by the operation of the external motor No. four, the driving gear 566 is meshed with the teeth 565 to drive the driving plate 563 to rotate, the driving plate 563 drives the supporting rod 54 to move along the horizontal section of the track groove 51 to the polyethylene cable by the rotation of the driving plate 563 through the guide groove 564, the supporting rod 54 moves to push the arc plates 52, the arc plates 52 drive the shaft lever 55 to move in the waist-shaped hole 50, the supporting rod 54 and the shaft lever 55 slide in the limit groove 571 due to the cooperation of the roller shaft 572 and the shaft lever 55 in the longitudinal moving process, so that the supporting rod 54 and the shaft lever 55 synchronously push the arc plates 52 to be far away from the extrusion block 13, along with the rotation of the driving plate 563, the supporting rod 54 is moved to the transition position of the horizontal section and the circular arc section of the track groove 51, the inner wall of the guide groove 564 is abutted against the supporting rod 54, the shaft rod 55 is abutted against the inner wall of the waist-shaped hole 50, the two circular arc plates 52 and the two heating plates 53 which are opposite front and back at the moment are correspondingly attached, then along with the rotation of the driving plate 563, the driving plate 563 pushes the supporting rod 54 to slide along the circular arc of the track groove 51, the shaft rod 55 slides in the circular arc groove, so that the cutting end of the polyethylene cable is screwed up by the rotation of the circular arc plate 52 by a certain angle, meanwhile, the cutting end of the polyethylene cable is melted and adhered through the heating plate 53, so that the sealing quality of the polyethylene cable is ensured, loosening of the cut polyethylene cable is avoided, and after the sealing is completed, the driving plate 563 is reversed, reset and drives the circular arc plates 52 to be far away from the polyethylene cable.

When the invention is specifically used, the external first motor is operated to drive the bidirectional screw rod 32 to rotate, the bidirectional screw rod 32 is operated to drive the corresponding two extrusion blocks 13 to approach each other, the extrusion blocks 13 are operated to push the polyethylene cables, after the polyethylene cables are limited to move by the extrusion blocks 13, the cutting mechanism 2 is operated to cut off and seal the polyethylene cables, then the external second motor is operated to drive the screw rod 30 to rotate, the screw rod 30 is operated to drive the screw rod 31 to move rightwards, the screw rod 31 drives the bearing plate 12 and parts mounted on the bearing plate 12 to move rightwards, the external clamping mechanism mounted on the base 10 sequentially passes through the corresponding rotary drum 562, the driving plate 563 and the extrusion blocks 13 from right to left to clamp the left polyethylene cable ends, then the left-side bidirectional screw rod 32 is operated to reversely rotate, the corresponding two extrusion blocks 13 are opened, the screw rod 30 drives the bearing plate 12 to move leftwards to reset, the clamped polyethylene cables sequentially pass through the extrusion blocks 13, the driving plate 563 and the rotary drum 562 at the right part along with the movement of the bearing plate 12, and then the polyethylene cables can be pulled out to cut off for processing the required lengths.

In the description of the present invention, it should be understood that the azimuth or positional relationships indicated by the azimuth terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal", and "top, bottom", etc., are generally based on the azimuth or positional relationships shown in the drawings, merely to facilitate description of the present invention and simplify the description, and these azimuth terms do not indicate and imply that the apparatus or elements referred to must have a specific azimuth or be constructed and operated in a specific azimuth, and thus should not be construed as limiting the scope of protection of the present invention; the orientation word "inner and outer" refers to inner and outer relative to the contour of the respective component itself.

Furthermore, the terms "first," "second," "first," and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "first", "second", "first", "second" may include at least one such feature, either explicitly or implicitly. In the description of the present invention, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.

In the description of the present invention, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "connected," "mounted," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.

The embodiments of the present invention are all preferred embodiments of the present invention, and are not intended to limit the scope of the present invention; all equivalent changes in structure, shape and principle of the invention should be covered in the scope of protection of the invention.

Claims (7)

1. An automatic cutting machine equipment for polyethylene cables comprises a base (10); the method is characterized in that: the base is characterized in that a chute (11) is formed in the upper end face of the base (10), a bearing plate (12) is slidably mounted in the chute (11) through a linear guide rail, a notch penetrating through the base (10) is formed in the bottom wall of the chute (11), two groups of extrusion blocks (13) are symmetrically arranged on the bearing plate (12) left and right, the number of each group of extrusion blocks (13) is two, arc grooves are formed in the opposite faces of the two extrusion blocks (13) of each group, the two extrusion blocks (13) of the same group are slidably connected with the bearing plate (12) front and back through the linear guide rail, a cutting mechanism (2) is arranged on the rear side of the base (10), and a driving mechanism (3) for driving the extrusion blocks (13) and the bearing plate (12) to move is arranged on the base (10); wherein:

cutting mechanism (2) include U type groove (20), U type groove (20) have been seted up to base (10) rear side, install template (21) through pedestal (22) rotation in U type groove (20), and pedestal (10) are run through in rotation of pedestal (22) left end, install pivot (23) directly over pedestal (22) in rotation of the horizontal segment of template (21) upper end, all overlap on pedestal (22) and pivot (23) and be equipped with reel (24), symmetry about two reels (24), twine wire (25) of end to end between two reels (24), electromagnetic heating circle (26) are installed on the vertical segment upper portion of template (21), and the front portion of wire (25) passes electromagnetic heating circle (26), fixed pipe (27) are installed to the vertical segment lower part of template (21), the inside fluororubber (28) that is provided with of fixed pipe (27), and wire (25) rear portion passes fixed pipe (27), left side board (12) is provided with bearing unit (13) that are used for rotating on the drive block (4), seal unit (13) are provided with in the linkage.

2. An automatic polyethylene cable cutter device according to claim 1, wherein: the sealing unit (5) comprises a waist-shaped hole (50), a waist-shaped hole (50) and a track groove (51) are respectively formed in two extrusion blocks (13) in the same group, the two waist-shaped holes (50) and the two track grooves (51) in the same group are arranged in a central symmetry mode, the track groove (51) is formed by a horizontal section and an arc section, the waist-shaped holes (50) in the same extrusion block (13) are close to the horizontal section of the track groove (51) and are parallel to the horizontal section, an arc plate (52) is slidably arranged on opposite surfaces of the left extrusion block and the right extrusion block (13), a heating plate (53) is arranged on the inner wall of the arc plate (52), a supporting rod (54) connected with the arc plate (52) is slidably arranged in the track groove (51), an arc groove connected with the shaft rod (55) is formed in the arc plate (52), and limiting pieces (57) are arranged on opposite surfaces of the left extrusion block and the right extrusion block (13), and the limiting pieces (57) are in opposite sides of the limiting pieces (56).

3. An automatic polyethylene cable cutter device according to claim 2, wherein: regulating part (56) include extension board (561), on bearing board (12) and base (10) on all install extension board (561), two extension boards (561) symmetry set up, rotate on extension board (561) install rotary drum (562) coaxial with track groove (51) circular arc section, one side that rotary drum (562) is close to extrusion piece (13) installs drive plate (563), guide slot (564) have been seted up on drive plate (563), and guide slot (564) are the opening form in the tip of keeping away from rotary drum (562) axis direction, bracing piece (54) slip runs through guide slot (564), be provided with tooth (565) of evenly arranging along rotary drum (562) circumferencial direction on drive plate (563), drive gear (566) are installed through the roller rotation to extension board (561) side, and drive gear (566) and tooth (565) meshing.

4. An automatic polyethylene cable cutter device according to claim 1, wherein: the driving mechanism (3) comprises a screw rod (30), two shaft seats are symmetrically arranged on the front side of the upper end face of the base (10) in a bilateral symmetry mode, the screw rod (30) is rotatably arranged between the two shaft seats, a screw block (31) is arranged on the screw rod (30), the screw block (31) is fixedly connected with a bearing plate (12), a guide rod is fixedly arranged between the two shaft seats, the guide rod is in sliding connection with the screw block (31), the bearing plate (12) is rotatably provided with a bidirectional screw rod (32) in a bilateral symmetry mode through the shaft plate, and two extrusion blocks (13) of each group are in threaded connection with corresponding thread sections on the corresponding bidirectional screw rod (32).

5. An automatic polyethylene cable cutter device according to claim 2, wherein: the limiting piece (57) comprises two vertical plates (570) arranged on the extrusion block (13), the two vertical plates (570) are respectively in one-to-one correspondence with the track grooves (51) and the waist-shaped holes (50), limiting grooves (571) are formed in the vertical plates (570), the limiting grooves (571) consist of inclined parts and horizontal parts, and rolling shafts (572) in sliding fit with the corresponding limiting grooves (571) are arranged on the supporting rods (54) and the shaft rods (55).

6. An automatic polyethylene cable cutter device according to claim 1, wherein: the linkage unit (4) include backup pad (40), install backup pad (40) on base (10), start to have arc groove (41) on backup pad (40), pivot (23) that are located the top slip run through arc groove (41), the left side of backup pad (40) is provided with arc rack (42), install on pivot (23) that are located the top with arc gear engagement's spur gear (43), arc groove (41) and arc rack (42) both centre of a circle are on the axis of jack post (22).

7. An automatic polyethylene cable cutter device according to claim 1, wherein: salient points are uniformly arranged on the inner wall of the arc groove of the extrusion block (13), and rubber pads are arranged on the opposite surfaces of the two extrusion blocks (13) in the same group.