CN111545676A

CN111545676A - Cable straightening and stranding equipment

Info

Publication number: CN111545676A
Application number: CN202010380384.XA
Authority: CN
Inventors: 徐小梅
Original assignee: Individual
Current assignee: Hanhe Yanggu Cable Co ltd
Priority date: 2019-05-06
Filing date: 2019-05-06
Publication date: 2020-08-18
Anticipated expiration: 2039-05-06
Also published as: CN110047629B; CN111584158B; CN111584158A; CN111545676B; CN110047629A

Abstract

The invention relates to the field of cable production, in particular to a cable straightening and stranding device which comprises a workbench, two sets of unwinding devices and a take-up assembly, wherein each set of unwinding devices comprises a straightening assembly and a stranding assembly, the straightening assembly comprises a plurality of straightening mechanisms, the stranding assembly comprises a threading device and a stranding disc, the threading device is positioned between the stranding disc and the straightening assembly, the stranding mechanism comprises a wire pulling motor, a rotating shaft and two take-up discs, two take-up holes for cables to pass through are formed in the workbench, and a cylindrical pin for binding the head ends of the cables is arranged on the rotating shaft. The cable is timely wound through the take-up reel on the rotating shaft, and then the risk that the cable returns to the original state is solved.

Description

Cable straightening and stranding equipment

Technical Field

The invention relates to the field of cable production, in particular to cable straightening and stranding equipment.

Background

CN201620793371.4 is a cable copper wire stranding machine structure convenient to trade line wiring. The cable stranding machine comprises a cable stranding machine, wherein a large turntable capable of mounting a plurality of cable copper core wire coils is arranged in the cable stranding machine, a wire coil replacing auxiliary mechanism is arranged on one side of the large turntable, a sliding carrying rack capable of sliding to convey materials and a carrying chute convenient for carrying the cable copper core wire coils are arranged in the wire coil replacing auxiliary mechanism, the carrying chute is connected with a roller wheel conveying platform convenient for conveying the cable copper core wire coils, a material rack convenient for transitionally storing the cable copper core wire coils is arranged on the cable stranding machine on the side face of the roller wheel conveying platform, and a cable cold welding machine is arranged on the cable stranding machine on the tail end side of the sliding carrying rack; the utility model is convenient to transport the heavy copper core wire disc of the cable to the cable stranding machine for replacement, and the transportation operation is labor-saving and convenient; and can directly carry out cold welding butt joint in the cable cold welding machine on the cable stranding machine, the welding arrangement wire rod auxiliary time is few, can improve trade line wiring production efficiency.

The patent discloses a cable copper line stranding machine structure convenient to trade line wiring has following defect:

1. in the stranding machine, the cable is bent and deformed in the stranding process, and the equipment does not solve the problem;

2. the production efficiency of the stranded wire is improved by the stranded wire machine through the wire-changing equipment;

3. the stranding machine does not timely wind up the stranded cable, and the stranded cable returns to the original state.

Disclosure of Invention

The invention aims to provide a cable straightening and stranding device.

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

the utility model provides a cable straightening and stranding device, which comprises a workbench, two sets of unwinding devices symmetrically arranged at two sides of the workbench and a take-up assembly positioned at the bottom of the workbench, wherein each set of unwinding devices comprises a straightening assembly and a wire twisting assembly, the wire twisting assembly is positioned between the straightening assembly and the workbench and comprises a plurality of straightening mechanisms which are linearly arranged, the wire twisting assembly comprises a threading device and a wire twisting disc, the threading device is positioned between the wire twisting disc and the straightening assembly, the wire twisting disc can be rotatably arranged at the top of the workbench, the take-up mechanism comprises a wire pulling motor, a rotating shaft and two take-up discs, the two take-up discs are both sleeved at the outer side of the rotating shaft, the rotating shaft is horizontally arranged, the wire pulling motor is arranged on the ground, an output shaft of the wire pulling motor is in transmission connection with one end of the rotating shaft, two take-up holes for cables, the rotating shaft is provided with a cylindrical pin for binding the head end of the cable, and the cylindrical pin is positioned between the two take-up reels.

As an optimal scheme of cable alignment transposition equipment, straightening mechanism includes first pressure cable pole, hunch platform and frame plate, the hunch platform is fixed to be set up in the top of frame plate, the inboard of hunch platform is fixed all around to be provided with and supplies four first annular support columns of first pressure cable pole male, and four first annular support column centrosymmetric settings, fixed first crimping head that is used for extrudeing the cable that is provided with on the first pressure cable pole top, and first crimping head passes through the spring and contradicts with the inside wall of hunch platform, four first crimping heads form annular structure, leave the clearance that is less than the cable radius between per two first crimping heads, the fixed support frame that is provided with in bottom of frame plate.

As an optimal scheme of cable alignment transposition equipment, straightening mechanism is still including the carriage wheel, runner and second pressure cable pole, the fixed one side that is close to the workstation that sets up at the arched door platform of carriage wheel, the runner cover is established on the carriage wheel, fixed four second annular support columns that supply second pressure cable pole male that are provided with on the inner cylinder wall of runner, and four second annular support column centrosymmetric sets up, fixed second crimping head that is used for extrudeing the cable that is provided with on the second pressure cable pole top, and the second crimping head passes through the spring and contradicts with the inner cylinder wall of runner, four first crimping heads form annular structure, leave the clearance that is less than the cable radius between per two second crimping heads.

As an optimal scheme of cable alignment transposition equipment, the threading apparatus includes revolving rack and carousel, and the revolving rack is fixed to be set up at the frame plate top to the revolving rack is located the one side that the arched door platform was kept away from to the support frame wheel, and the carousel can the pivoted setting in the inboard of revolving rack, and has seted up the line hole that a plurality of power cables passed on the carousel.

As an optimal scheme of cable alignment transposition equipment, the wire winding disc includes changeing the cover, change the lagging and the collar, change the fixed setting of lagging on the workstation, change the cover and pass through the bearing and be connected with changeing the lagging, and change one side of cover and pass and change the lagging, it is provided with first drive gear to change fixedly on the outer cylinder wall of one side of cover, a plurality of screw hole has been seted up on the outer cylinder wall of the opposite side of changeing the cover, set up the perforation equal with a plurality of screw hole radius on the collar, fenestrate quantity equals with the quantity of screw hole, it passes through bolt and collar fixed connection to change the lagging.

As an optimal scheme of the cable straightening and twisting device, the unwinding device further comprises a driving motor, the driving motor is fixedly arranged on the workbench, a second transmission gear is fixedly arranged at the output end of the driving motor, and the second transmission gear is connected with the first transmission gear through a chain.

As an optimal scheme of cable alignment transposition equipment, receive line subassembly still includes the fixed plate, two L shape backup pads, two first slip breach have been seted up on the fixed plate, L shape backup pad extends the setting that the end can be gliding in first slip breach, and be provided with the flute profile breach that is used for installing the pivot in the L shape backup pad, the pivot can the pivoted pass the flute profile breach, the fixed jack that is provided with on the fixed plate, the jack is located the positive centre of two take-up reels, the fixed arc roof that is used for jack-up pivot that is provided with of output of jack.

As an optimal scheme of cable alignment transposition equipment, the stay wire motor passes through the setting that the slide block can slide on the fixed plate, and the stay wire motor level sets up on the slide block, and the top of backup pad is seted up and is used for sliding the breach with slide block complex second.

As a preferred scheme of cable alignment transposition equipment, the output of acting as go-between motor is fixed and is provided with the pinion, and the pivot is provided with on being close to the outer cylinder wall of acting as go-between motor and can dismantle the gear wheel, and the gear wheel passes through the chain and is connected with the pinion transmission.

As an optimal scheme of the cable straightening and twisting equipment, two sides of a take-up reel are respectively provided with a blocking sleeve and a threaded abutting ring, the blocking sleeve, the threaded abutting ring and the take-up reel are coaxially arranged, the blocking sleeve is positioned on one side, close to a cylindrical pin, of the take-up reel, and the threaded abutting ring is in threaded connection with a rotating shaft.

The invention has the beneficial effects that: when cable stranding is needed, cables firstly pass through two sets of unreeling devices manually, wherein the cables pass through annular regions formed by four first crimping heads in a plurality of sets of straightening mechanisms, then pass through annular regions formed by four second crimping heads, then pass through wire holes in an inner rotary disc of a stranding assembly, and pass through a space between an installation ring and a rotary sleeve, every two cables are separated by a bolt, finally the cables pass through two wire take-up holes for the cables to pass through on a workbench, the cables are bound on cylindrical pins of a rotary shaft, then a driving motor and a wire pulling motor are started simultaneously, a second transmission gear is driven by the driving of the driving motor, then the second transmission gear drives a first transmission gear to rotate, the rotary sleeve plate is driven by the first transmission gear to rotate, further the stranding work of the cables is carried out, and the rotation of a large gear can be driven by the rotation of the wire pulling motor, when the rolling is required to be finished, the rotating shaft is jacked up through the jack, the L-shaped supporting plate for supporting the rotating shaft slides out of the first sliding notch, when the jack is put down, the motor is pushed towards the direction of the rotating shaft by pushing the sliding plate, so that the chain is loosened, the large gear is dismounted manually, the invention solves the problem of bending deformation of the cable by the action of the rotating wheel, the first pressure joint and the second pressure joint on the straightening component when the thread abutting ring in threaded connection with the rotating shaft is detached from the rotating shaft and the take-up reel is pushed out from the rotating shaft, through the combined action of the two sets of unwinding devices and the take-up assembly through the rotating shaft, the cables of two lines are stranded simultaneously, the production efficiency of the stranded wires is greatly improved, the cable is timely wound through the take-up reel on the rotating shaft, and then the risk that the cable returns to the original state is solved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the embodiments of the present invention will be briefly described below. It is obvious that the drawings described below are only some embodiments of the invention, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.

Fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is a schematic perspective view of the present invention.

Fig. 3 is a top view of the present invention.

Fig. 4 is a perspective view of a partial structure of the present invention.

Fig. 5 is a partially-structured exploded perspective view of the present invention.

Fig. 6 is a perspective exploded view of the present invention.

Fig. 7 is an exploded perspective view of the threader of the present invention.

Fig. 8 is a perspective view of the wire takeup assembly of the present invention.

Fig. 9 is a front view of the wire takeup assembly of the present invention.

Fig. 10 is a top plan view of the wire takeup assembly of the present invention.

Fig. 11 is a cross-sectional view of a capstan of the present invention.

In the figure: 1. a work table; 2. an unwinding device; 3. a wire take-up assembly; 4. a straightening assembly; 5. a wire twisting assembly; 6. a straightening mechanism; 7. a threading device; 8. a wire twisting disc; 9. a pull wire motor; 10. a rotating shaft; 11. a take-up reel; 12. a wire collecting hole; 13. a first cable pressing rod; 14. an arch platform; 15. a frame plate; 16. a first annular support column; 17. a first crimp joint; 18. a support frame; 19. a support frame wheel; 20. a rotating wheel; 21. a second cable pressing rod; 22. a second annular support column; 23. a second crimp joint; 24. rotating the frame; 25. a turntable; 26. a wire hole; 27. rotating the sleeve; 28. rotating the sleeve plate; 29. a mounting ring; 30. a first drive gear; 31. a bolt; 32. a drive motor; 33. a second transmission gear; 34. a fixing plate; 35. an L-shaped support plate; 36. a first sliding notch; 37. a groove-shaped notch; 38. a slide plate; 39. a second sliding notch; 40. a pinion gear; 41. a bull gear; 42. a blocking sleeve; 43. a threaded retaining ring; 44. a jack; 45. and (7) a cylindrical pin.

Detailed description of preferred embodiments 34

The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.

Wherein the showings are for the purpose of illustration only and are shown by way of illustration only and not in actual form, and are not to be construed as limiting the present patent; to better illustrate the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.

The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar components; in the description of the present invention, it should be understood that if the terms "upper", "lower", "left", "right", "inner", "outer", etc. are used for indicating the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, it is only for convenience of description and simplification of description, but it is not indicated or implied that the referred device or element must have a specific orientation, be constructed in a specific orientation and be operated, and therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes and are not to be construed as limitations of the present patent, and the specific meanings of the terms may be understood by those skilled in the art according to specific situations.

In the description of the present invention, unless otherwise explicitly specified or limited, the term "connected" or the like, if appearing to indicate a connection relationship between the components, is to be understood broadly, for example, as being fixed or detachable or integral; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or may be connected through one or more other components or may be in an interactive relationship with one another. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 to 11, a cable straightening and stranding apparatus includes a workbench 1, two sets of unwinding devices 2 symmetrically disposed at two sides of the workbench 1, and a wire collecting assembly 3 disposed at the bottom of the workbench 1, each set of unwinding devices 2 includes a straightening assembly 4 and a wire twisting assembly 5, the wire twisting assembly 5 is disposed between the straightening assembly 4 and the workbench 1, the straightening assembly 4 includes a plurality of straightening mechanisms 6 arranged in a straight line, the wire twisting assembly 5 includes a threading device 7 and a wire winding disc 8, the threading device 7 is disposed between the wire winding disc 8 and the straightening assembly 4, the wire winding disc 8 is rotatably disposed at the top of the workbench 1, the wire collecting mechanism includes a wire drawing motor 9, a rotating shaft 10 and two wire collecting discs 11, the two wire collecting discs 11 are both sleeved outside the rotating shaft 10, the rotating shaft 10 is disposed horizontally, the wire drawing motor 9 is disposed on the ground and an output shaft thereof is in transmission connection with one end of the rotating shaft 10, be equipped with two receipts wire holes 12 that supply cable to pass on workstation 1, two receipts wire holes 12 correspond two take-up reel 11 settings in below respectively, are equipped with a cylindric lock 45 that supply cable head end was bound on pivot 10, and cylindric lock 45 is located between two take-up reel 11.

Straightening mechanism 6 includes first pressure cable pole 13, arched door platform 14 and frame plate 15, arched door platform 14 is fixed to be set up in the top of frame plate 15, arched door platform 14's inboard is fixed all around and is provided with and supplies first pressure cable pole 13 male four first annular support columns 16, and four first annular support columns 16 central symmetry set up, fixed first pressure cable pole 13 top is provided with the first crimping head 17 that is used for extrudeing the cable, and first crimping head 17 conflicts through the inside wall of spring with arched door platform 14, four first crimping heads 17 form the loop configuration, leave the clearance that is less than the cable radius between per two first crimping heads 17, the fixed support frame 18 that is provided with in bottom of frame plate 15. Because the cable may have a certain bending, when the cable passes through the annular region formed by the four first crimping heads 17, the cable extrudes the four first crimping heads 17, so that the four first crimping heads 17 press back into the first annular supporting column 16 through the first cable pressing rod 13, and because the four first crimping heads 17 are pressed back by the spring, the four first crimping heads 17 are straightened by the elastic force.

Straightening mechanism 6 is still including support frame wheel 19, runner 20 and second pressure cable pole 21, support frame wheel 19 is fixed to be set up in the arched door platform 14 near one side of workstation 1, runner 20 cover is established on support frame wheel 19, fixed being provided with on the inner cylinder wall of runner 20 supplies four second annular support columns 22 that second pressure cable pole 21 was male, and four second annular support columns 22 central symmetry set up, fixed being provided with on the second pressure cable pole 21 top is used for the second crimping head 23 of extrusion cable, and second crimping head 23 is contradicted through the inner cylinder wall of spring with runner 20, four first crimping heads 17 form annular structure, leave the clearance that is less than the cable radius between per two second crimping heads 23. Because the cable that the cable extrudeed through first crimping head 17 probably still has the distortion and crooked condition, the cable extruded through first crimping head 17 will get into the extrusion of second crimping head 23, when the cable passes through the annular region that four second crimping heads 23 formed, the cable is to the extrusion effect of four second crimping heads 23, make four second crimping heads 23 press back to first annular support column 16 through second cable pressing pole 21, because the in-process that presses back, the spring has certain elasticity to second crimping head 23 again, make four second crimping heads 23 further straighten the cable through the elasticity, if there is the distortion condition at the in-process cable of straightening, runner 20 will rotate because the conflict of the crooked position of cable and realize the straightening of cable.

The threader 7 comprises a rotating frame 24 and a rotating disc 25, the rotating frame is fixedly arranged at the top of the frame plate 15, the rotating frame 24 is positioned on one side, away from the arch table 14, of the supporting frame wheel 19, the rotating disc 25 can be rotatably arranged on the inner side of the rotating frame 24, and a plurality of wire holes 26 for allowing cables to pass through are formed in the rotating disc 25. The cable passing through the second crimping head 23 passes through the wire hole 26 of the rotating disc 25, and can be rotated on the rotating frame 24 through the rotating disc 25 due to the process of stranding the cable, so that the cable can be wound tightly in the winding process.

The hinge plate 8 comprises a rotary sleeve 27, a rotary sleeve plate 28 and a mounting ring 29, the rotary sleeve plate 28 is fixedly arranged on the workbench 1, the rotary sleeve 27 is connected with the rotary sleeve plate 28 through a bearing, one side of the rotary sleeve 27 penetrates through the rotary sleeve plate 28, a first transmission gear 30 is fixedly arranged on the outer cylindrical wall on one side of the rotary sleeve 27, a plurality of threaded holes are formed in the outer cylindrical wall on the other side of the rotary sleeve 27, through holes equal to the radius of the plurality of threaded holes are formed in the mounting ring 29, the number of the through holes is equal to the number of the threaded holes, and the rotary sleeve plate 28 is fixedly connected with the mounting ring 29 through bolts 31. The cable through hole 26 will pass between the mounting ring 29 and the swivel sleeve 27 and every two cables will be separated by one bolt 31.

The unreeling device 2 further comprises a driving motor 32, the driving motor 32 is fixedly arranged on the workbench 1, a second transmission gear 33 is fixedly arranged at the output end of the driving motor 32, and the second transmission gear 33 is connected with the first transmission gear 30 through a chain. The second transmission gear 33 is driven by the driving motor 32, the first transmission gear 30 is driven to rotate by the second transmission gear 33, and the rotating sleeve plate 28 is driven to rotate by the first transmission gear 30, so that the cable is twisted.

The wire take-up assembly 3 further comprises a fixing plate 34 and two L-shaped supporting plates 35, wherein two first sliding notches 36 are formed in the fixing plate 34, the extending ends of the L-shaped supporting plates 35 are slidably arranged in the first sliding notches 36, a groove-shaped notch 37 used for installing the rotating shaft 10 is formed in each L-shaped supporting plate 35, the rotating shaft 10 can rotatably penetrate through the groove-shaped notch 37, a jack 44 is fixedly arranged on the fixing plate 34, the jack 44 is located in the middle of the two wire take-up discs 11, and an arc-shaped top plate used for jacking the rotating shaft 10 is fixedly arranged at the output end of the jack 44. After the cable is completely wound, the rotating shaft 10 is jacked up by the jack 44, the L-shaped supporting plate 35 for supporting the rotating shaft 10 slides out of the first sliding notch 36, and the take-up reel 11 is pushed out of the rotating shaft 10 after the jack 44 is put down.

The stay wire motor 9 is slidably arranged on the fixing plate 34 through the sliding plate 38, the stay wire motor 9 is horizontally arranged on the sliding plate 38, and the top end of the supporting plate is provided with a second sliding notch 39 used for being matched with the sliding plate 38. The wire motor 9 can be horizontally moved by pushing the slide plate 38 to move on the second slide notch 39.

The output end of the stay wire motor 9 is fixedly provided with a pinion 40, the outer cylindrical wall of the rotating shaft 10 close to the stay wire motor 9 is provided with a dismountable bull gear 41, and the bull gear 41 is in transmission connection with the pinion 40 through a chain. The rotation of the wire pulling motor 9 can drive the large gear 41 to rotate, and after the winding is completed, the motor is pushed towards the direction of the rotating shaft 10 by pushing the sliding plate 38, so that the chain is loosened, and the large gear 41 is detached manually.

Two sides of the take-up reel 11 are respectively provided with a blocking sleeve 42 and a threaded retaining ring 43, the blocking sleeve 42, the threaded retaining ring 43 and the take-up reel 11 are coaxially arranged, the blocking sleeve 42 is positioned on one side of the take-up reel 11 close to the cylindrical pin 45, and the threaded retaining ring 43 is in threaded connection with the rotating shaft 10. Through the conflict of spacer 42 and cylindric lock 45, can make take-up reel 11 and cylindric lock 45 have certain distance, support ring 43 through the screw with pivot 10 threaded connection, support take-up reel 11 tightly on take-up reel 11 to pivot 10 drives take-up reel 11 and rotates together.

The working principle is as follows: when the cable stranding is needed, the cable firstly passes through two sets of unreeling devices 2 manually, wherein the cable firstly passes through annular regions formed by four first crimping heads 17 in a plurality of sets of straightening mechanisms 6, then passes through annular regions formed by four second crimping heads 23, then passes through wire holes 26 on an inner rotary disc 25 of a stranding assembly 5, passes through a space between a mounting ring 29 and a rotary sleeve 27, each two cables are separated by a bolt 31, finally the cable passes through two wire take-up holes 12 through which the cable passes on a workbench 1, the cable is bound on a cylindrical pin 45 of a rotating shaft 10, then the driving motor 32 and the wire pulling motor 9 are started simultaneously, the second transmission gear 33 is driven by the transmission of the driving motor 32, the first transmission gear 30 is driven by the second transmission gear 33 to rotate, the rotary sleeve plate 28 is driven by the first transmission gear 30 to rotate, and then the cable is twisted, the rotation of the wire pulling motor 9 can drive the rotation of the large gear 41, when the winding is required to be completed, the rotating shaft 10 is jacked up through the jack 44, the L-shaped supporting plate 35 for supporting the rotating shaft 10 slides out on the first sliding notch 36, the jack 44 is put down, the motor is pushed towards the rotating shaft 10 by pushing the sliding plate 38, so that the chain is loosened, the large gear 41 is dismounted manually, the thread abutting ring 43 in threaded connection with the rotating shaft 10 is dismounted from the rotating shaft 10, and the take-up reel 11 is pushed out from the rotating shaft 10.

It should be understood that the above-described embodiments are merely preferred embodiments of the invention and the technical principles applied thereto. It will be understood by those skilled in the art that various modifications, equivalents, changes, and the like can be made to the present invention. However, such variations are within the scope of the invention as long as they do not depart from the spirit of the invention. In addition, certain terms used in the specification and claims of the present application are not limiting, but are used merely for convenience of description.

Claims

1. A cable straightening and stranding device is characterized by comprising a workbench (1), two sets of unwinding devices (2) symmetrically arranged on two sides of the workbench (1) and a wire collecting assembly (3) located at the bottom of the workbench (1), wherein each set of unwinding devices (2) comprises a straightening assembly (4) and a wire twisting assembly (5), each wire twisting assembly (5) is located between the straightening assembly (4) and the workbench (1), each straightening assembly (4) comprises a plurality of straightening mechanisms (6) which are linearly arranged, each wire twisting assembly (5) comprises a threading device (7) and a wire twisting disc (8), each threading device (7) is located between each wire twisting disc (8) and the corresponding straightening assembly (4), each wire twisting disc (8) can be rotatably arranged at the top of the workbench (1), each wire collecting mechanism comprises a wire pulling motor (9), a rotating shaft (10) and two wire collecting discs (11), and the two wire collecting discs (11) are all sleeved outside the rotating shaft (10), the rotary shaft (10) is horizontally arranged, the stay wire motor (9) is arranged on the ground, an output shaft of the stay wire motor is in transmission connection with one end of the rotary shaft (10), two wire collecting holes (12) for cables to pass through are formed in the workbench (1), the two wire collecting holes (12) are respectively arranged corresponding to the two wire collecting discs (11) below, a cylindrical pin (45) for binding the head end of each cable is arranged on the rotary shaft (10), and the cylindrical pin (45) is located between the two wire collecting discs (11);

the straightening mechanism (6) comprises a first cable pressing rod (13), an arch platform (14) and a frame plate (15), the arch platform (14) is fixedly arranged at the top of the frame plate (15), four first annular supporting columns (16) for inserting the first cable pressing rod (13) are fixedly arranged on the periphery of the inner side of the arch platform (14), the four first annular supporting columns (16) are arranged in a central symmetry mode, first pressure welding heads (17) for extruding cables are fixedly arranged on the top of the first cable pressing rod (13), the first pressure welding heads (17) are abutted to the inner side wall of the arch platform (14) through springs, the four first pressure welding heads (17) form an annular structure, a gap smaller than the radius of the cable is reserved between every two first pressure welding heads (17), and a supporting frame (18) is fixedly arranged at the bottom of the frame plate (15);

the straightening mechanism (6) further comprises a support frame wheel (19), a rotating wheel (20) and a second cable pressing rod (21), the support frame wheel (19) is fixedly arranged on one side, close to the workbench (1), of the arch platform (14), the rotating wheel (20) is sleeved on the support frame wheel (19), four second annular supporting columns (22) for the second cable pressing rod (21) to insert are fixedly arranged on the inner cylindrical wall of the rotating wheel (20), the four second annular supporting columns (22) are arranged in central symmetry, a second pressure welding head (23) used for extruding cables is fixedly arranged on the top of the second cable pressing rod (21), the second pressure welding head (23) is abutted against the inner cylindrical wall of the rotating wheel (20) through springs, the four first pressure welding heads (17) form an annular structure, and a gap smaller than the radius of the cables is reserved between every two second pressure welding heads (23);

threading apparatus (7) include revolving rack (24) and carousel (25), and the fixed setting at frame plate (15) top of revolving rack (24) is located one side that arched door platform (14) were kept away from in support frame wheel (19), and carousel (25) can the pivoted setting in the inboard of revolving rack (24), and set up a plurality of wire holes (26) that supply the cable to pass on carousel (25).