CN114496558B

CN114496558B - Automatic winding equipment for annular inductor

Info

Publication number: CN114496558B
Application number: CN202210384540.9A
Authority: CN
Inventors: 徐麟; 刘世盛; 陈海斌; 曹长根; 王强
Original assignee: SHENZHEN GUDIAN ELECTRONICS CO Ltd
Current assignee: SHENZHEN GUDIAN ELECTRONICS CO Ltd
Priority date: 2022-04-13
Filing date: 2022-04-13
Publication date: 2022-07-15
Anticipated expiration: 2042-04-13
Also published as: CN114496558A

Abstract

The invention relates to an automatic winding device of an annular inductor, which belongs to the technical field of automatic winding of inductors and comprises a rack, wherein a wire feeding device, a winding device and a clamping device are arranged on the rack, the wire feeding device is used for conveying an enameled wire to the winding device, the winding device is used for orderly winding and storing the enameled wire and drawing the wound enameled wire to reciprocate up and down along the vertical direction, and the clamping device is used for clamping a framework, drawing the framework to reciprocate along the horizontal direction and drawing the framework to rotate around the self axial direction; compared with the prior art, in the scheme, the winding action is formed by the up-and-down reciprocating movement of the enameled wire and the horizontal reciprocating movement and rotation of the framework, the action is simple, the winding efficiency is obviously improved, the enameled wire has no other bending loss except for surrounding the framework, and the quality of the inductor is obviously improved.

Description

Automatic winding equipment for annular inductor

Technical Field

The invention relates to the field of manufacturing of inductors, in particular to the field of automatic winding of inductors, and particularly relates to automatic winding equipment for a ring-shaped inductor.

Background

Among the automatic wire winding technique of current inductor, generally realize through two sets of arm lock cooperations, it is specific: as shown in fig. 23, the clamping arm a moves from bottom to top and hooks the enameled wire, pulls the enameled wire to move downwards along the direction a to penetrate through the framework, then, the clamping arm b clamps the enameled wire and pulls the enameled wire to move right above the framework along the direction b, and the automatic winding of the inductor is realized by the reciprocating and the rotation of the framework.

The action of the two clamping arms is stopped, the number of winding turns of the inductor is large, accumulation is caused, the stopping time is large, and the winding efficiency is low.

In the winding process, no matter the clamping arm a or the clamping arm b, when the enameled wire is pulled to move, the part of the enameled wire which is not wound on the framework needs to be pulled to move completely, and the winding efficiency is further reduced.

In addition, the enameled wire is clamped by the hook of the clamping arm a and the clamping arm b continuously, unnecessary bending loss is generated, and the quality of the inductor is influenced.

Disclosure of Invention

To solve the problems mentioned in the background, the present invention provides an automatic winding apparatus for a toroidal inductor.

In order to achieve the technical purpose, the technical scheme adopted by the invention is as follows.

The utility model provides an automatic spooling equipment of annular inductor, includes the frame, installs in the frame and send traditional thread binding putting, winding device and clamping device, send traditional thread binding putting to be used for carrying the enameled wire to winding device, winding device is used for winding in order and stores the enameled wire and pull the enameled wire after the winding and take place reciprocating motion from top to bottom along vertical direction, and clamping device is used for the centre gripping skeleton and pulls the skeleton and take place reciprocating motion and pull the skeleton around self axial rotation along the horizontal direction.

Furthermore, the winding device comprises a lifting mechanism, a power mechanism and a winding mechanism;

the winding mechanism comprises a winding assembly and an attraction assembly.

Furthermore, the winding assembly comprises flying shuttles which are vertically arranged, the upper end part and the lower end part of each flying shuttle are made of soft iron, two groups of flying shuttles are arranged along the horizontal direction, mounting areas are arranged in the middle positions of the opposite side surfaces of the flying shuttles, a line shaft is rotatably arranged between the two groups of mounting areas, and the line shaft is sleeved outside the line shaft;

the two ends of the line shaft are provided with power receiving parts for receiving the power of the power mechanism;

the outer circular surface of the wire wheel is provided with a wire hole, and the axial direction of the wire hole is vertical to the axial direction of the wire wheel;

the attraction assembly comprises two groups of electromagnetic seats, namely an upper electromagnetic seat and a lower electromagnetic seat, the bottom of the upper electromagnetic seat and the top of the lower electromagnetic seat are both provided with jacks, the end part of the flying shuttle is inserted into the jacks, and the upper electromagnetic seat is fixedly arranged on the rack.

Further, the lifting mechanism comprises a guide rod vertically arranged on the rack, a linkage frame is arranged outside the guide rod in a sliding mode, the lower electromagnetic seat is fixedly arranged at the top of the linkage frame, and a linkage area b with a horizontal guiding direction is arranged at the bottom of the linkage frame;

the lifting mechanism further comprises a rotating shaft which is horizontally arranged on the rack, the axial direction of the rotating shaft is perpendicular to the guiding direction of the linkage area b, the input end of the rotating shaft is connected with a motor e through belt transmission power, the output end of the rotating shaft is provided with a linkage rod, one end of the linkage rod is provided with a convex pin b, the convex pin b and the linkage area b form sliding connection, and the other end of the linkage rod is provided with a balancing weight.

Further, send traditional thread binding putting to include three-dimensional module and send line mechanism, send line mechanism including sending line component and tangent line component, send the line component including sending the line frame, send to be provided with on the line frame and send the line roller, send the axial of line roller to be on a parallel with the axial of line wheel, send the line roller to be provided with two sets ofly: the wire feeding rollers a and b, and the area between the two groups of wire feeding rollers is a wire feeding area;

the wire feeding roller a is rotatably arranged on the wire feeding frame, the input end of the wire feeding roller a is in power connection with the motor a, and the wire feeding roller a is positioned above the wire feeding roller b;

the wire feeding frame is provided with two groups of sliding holes which are vertically arranged in the guiding direction, and the two ends of the wire feeding roller b are respectively positioned in the two groups of sliding holes in a sliding manner;

the wire feeding rack is also vertically and slidably provided with a sliding block, a spring a is arranged between the sliding block and the wire feeding rack, and one end of a wire feeding roller b is rotatably connected with the sliding block.

Further, the wire feeding component also comprises a wire feeding nozzle, and the wire feeding nozzle is arranged on one side of the wire feeding frame facing the wire wheel.

Further, the clamping device comprises a clamping mechanism, an adjusting mechanism, a rotating mechanism and a traction mechanism, a sliding rail with the guiding direction perpendicular to the axial direction of the wire wheel is horizontally arranged on the rack, the clamping mechanism comprises an outer frame which is in sliding connection with the sliding rail, a mounting area and an avoiding area are arranged on the outer frame, the mounting area is in the shape of a circular area which is vertical in the axial direction, the avoiding area is communicated with the mounting area, and the winding assembly is positioned right above the avoiding area in an initial state;

the inner wall of the placing area is provided with guide holes along the radial direction, the guide holes are provided with three groups along the circumferential direction array of the placing area, each group of guide holes is internally provided with a clamping piece, the three groups of clamping pieces form a clamping area, each clamping piece comprises a sliding seat arranged in each guide hole in a sliding mode and a clamping roller vertically arranged on the sliding seat, the three groups of clamping pieces are respectively a clamping piece a, a clamping piece b and a clamping piece c, and the clamping piece a and the clamping piece b are symmetrically arranged along the guide direction of the guide hole where the clamping piece c is located.

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

in the scheme, firstly, an enameled wire with a preset length is wound on a wire wheel of the winding device through the matching of the wire feeding device and the winding device, then the winding device pulls the enameled wire to reciprocate along the vertical direction, the clamping device pulls the framework to reciprocate along the horizontal direction and rotate around the self axial direction at a constant speed, and as shown in the action process schematic diagrams shown in figures 1-7, the enameled wire is wound on the framework, so that the automatic winding of the inductor is realized.

Compared with the prior art, in the scheme, the winding action is formed by the vertical reciprocating movement of the enameled wire and the horizontal reciprocating movement and rotation of the framework, the action is simple, the winding efficiency is obviously improved, the enameled wire does not have other bending losses except for surrounding the framework, and the quality of the inductor is obviously improved.

Drawings

FIG. 1 is a first schematic structural diagram of the present invention;

FIG. 2 is a second structural diagram of the present invention;

FIG. 3 is a third schematic structural view of the present invention;

FIG. 4 is a fourth schematic structural view of the present invention;

FIG. 5 is a fifth schematic structural view of the present invention;

FIG. 6 is a sixth schematic structural view of the present invention;

FIG. 7 is a seventh schematic structural view of the present invention;

FIG. 8 is a schematic view of the wire feeding device;

FIG. 9 is a schematic view of the wire feeding member;

FIG. 10 is a schematic view of a tangent line member;

FIG. 11 is a schematic structural view of a winding device;

FIG. 12 is a schematic view of the winding mechanism;

FIG. 13 is an exploded view of the winding mechanism;

FIG. 14 is a cross-sectional view of the wire winding assembly;

FIG. 15 is a schematic structural view of the pulley and the damping member;

FIG. 16 is a schematic view of the structure of the power mechanism;

FIG. 17 is a schematic view of the lifting mechanism;

FIG. 18 is a schematic view of the structure of the clamping device;

FIG. 19 is a schematic view of the clamping mechanism and the pulling mechanism;

FIG. 20 is a schematic view of the clamping mechanism, the adjustment mechanism, and the rotation mechanism;

FIG. 21 is a schematic view of an adjusting mechanism and a rotating mechanism;

FIG. 22 is a schematic structural view of the first and second connectors;

fig. 23 is a schematic diagram of a moving track of an enameled wire in the prior art.

The reference numbers in the figures are:

100. a frame;

200. a wire feeding device; 210. an X module; 220. a Z module; 230. a Y module; 240. a wire feeding member; 241. a wire feeding rack; 242. a slide hole; 243. a wire feeding roller; 244. a motor a; 245. a slider; 246. a spring a; 247. a wire feeding nozzle; 250. a thread cutting member; 251. a motor b; 252. a cylinder; 253. a convex pin a; 254. a tool holder; 255. a linkage area a; 256. a cutter;

300. a winding device; 310. a lifting mechanism; 311. a motor e; 312. a linkage rod; 313. a linkage frame; 314. a linkage area b; 315. a guide bar; 320. a power mechanism; 321. a motor c; 322. a screw rod a; 323. a motor d; 324. inserting a shaft; 330. a winding mechanism; 331. a shuttle flying; 332. a wire wheel; 333. a wire hole; 334. an electromagnetic base; 335. a jack; 336. a gear a; 337. a gear b; 338. a gear shaft; 340. a damping member; 341. a bolt; 342. a damping ball; 343. a spring b;

400. a clamping device; 410. a clamping mechanism; 411. an outer frame; 412. a placement area; 413. an avoidance zone; 414. a guide hole; 415. a slide base; 416. a nip roll; 420. an adjustment mechanism; 421. a motor g; 422. a screw rod b; 423. an adjusting seat; 424. a connecting rod a; 425. a connecting rod b; 426. a linkage area d; 427. a slide bar; 428. a spring c; 430. a rotation mechanism; 431. a motor frame; 432. a motor h; 440. a traction mechanism; 441. a motor f; 442. a traction shaft; 443. a draw bar; 444. a fixed mount; 445. an interlock region c; 446. a slide rail.

Detailed Description

To further illustrate the technical means and effects of the present invention adopted to achieve the predetermined objects, the following detailed description of the embodiments, structures, characteristics and effects according to the present invention will be made with reference to the accompanying drawings and preferred embodiments.

Inductors, including bobbins, which are generally ring-shaped, and windings (enameled wires) wound around the bobbins, and the like.

As shown in fig. 1 to 7, an automatic winding apparatus for a toroidal inductor includes a frame 100, and a wire feeding device 200, a winding device 300, and a clamping device 400 are mounted on the frame 100, wherein the wire feeding device 200 is configured to feed an enameled wire to the winding device 300, the winding device 300 is configured to orderly wind and store the enameled wire and draw the wound enameled wire to reciprocate up and down along a vertical direction, and the clamping device 400 is configured to clamp a framework, draw the framework to reciprocate along a horizontal direction, and draw the framework to rotate around its own axis.

In the scheme, firstly, an enameled wire with a preset length is wound on a wire wheel 332 of the winding device 300 through the matching of the wire feeding device 200 and the winding device 300, then, the winding device 300 pulls the enameled wire to reciprocate along the vertical direction, the clamping device 400 pulls the framework to reciprocate along the horizontal direction and rotate around the axial direction of the framework at a constant speed, and as shown in the action process schematic diagrams shown in fig. 1-7, the enameled wire is wound on the framework, so that the automatic winding of the inductor is realized.

Compared with the prior art, in the scheme, the winding action is formed by the up-and-down reciprocating movement of the enameled wire and the horizontal reciprocating movement and rotation of the framework, the action is simple, the winding efficiency is obviously improved, the enameled wire has no other bending loss except for surrounding the framework, and the quality of the inductor is obviously improved.

As shown in fig. 1 to 7 and 11 to 17, the winding device 300 includes a lifting mechanism 310, a power mechanism 320 and a winding mechanism 330, wherein the winding mechanism 330 is configured to receive the enameled wire, and the enameled wire is orderly wound around the outside of a reel 332 in the winding mechanism 330, the power mechanism 320 is configured to provide power for the winding mechanism 330 to receive the enameled wire, and the lifting mechanism 310 is configured to draw the reel 332 in the winding mechanism 330 to reciprocate along a vertical direction.

As shown in fig. 12-15, the winding mechanism 330 includes a winding assembly and a suction assembly.

As shown in fig. 14 to 15, the winding assembly includes flying shuttles 331 arranged vertically, the upper and lower ends of the flying shuttle 331 are made of soft iron, two sets of the flying shuttles 331 are arranged in the horizontal direction, and a reel 332 is rotatably arranged between the two sets of the flying shuttles 331.

Specifically, the middle position of the opposite side surfaces of the flying shuttle 331 is provided with an installation area, a line shaft is rotatably arranged between the two installation areas, and the line wheel 332 is sleeved outside the line shaft.

The power receiving parts are arranged at two ends of the line shaft, specifically, the power receiving parts comprise a gear a336 arranged at the end part of the line shaft, a gear shaft 338 rotatably arranged in the mounting area and a gear b337 arranged at the output end of the gear shaft 338, the gear a336 is meshed with the gear b337, the gear shaft 338 is provided with two groups and is symmetrically arranged around the line shaft, and the gear b337 is correspondingly provided with two groups.

The input end of the gear shaft 338 penetrates the flying shuttle 331 and is positioned on the side of the flying shuttle 331, which is far away from the reel 332, and the input end of the gear shaft 338 is coaxially provided with a power hole.

The outer circular surface of the wire wheel 332 is provided with wire holes 333, the axial direction of the wire holes 333 is perpendicular to the axial direction of the wire wheel 332, and in an initial state, the wire holes 333 are horizontally arranged.

As shown in fig. 13, the attraction assembly includes an electromagnet mount 334, and the electromagnet mount 334 is an electromagnet.

The electromagnetic seats 334 are provided with two groups, namely an upper electromagnetic seat and a lower electromagnetic seat, the bottom of the upper electromagnetic seat and the top of the lower electromagnetic seat are both provided with insertion holes 335, the end part of the flying shuttle 331 is inserted into the insertion holes 335, and when the electromagnetic seats 334 are electrified, the flying shuttle 331 is attracted and supported through the matching of soft iron and the electromagnetic seats 334.

The upper electromagnetic mount is fixedly mounted on the frame 100.

As shown in fig. 11 and 16, the power mechanism 320 includes a motor c321 mounted on the frame 100, an output end of the motor c321 is mounted with a lead screw a322, and an axial direction of the lead screw a322 is parallel to an axial direction of the pulley 332.

The external thread of the screw rod a322 is provided with a base which forms a sliding guide fit with the frame 100 with the guide direction parallel to the axial direction of the screw rod a 322.

The base is provided with a motor d323, the output end of the motor d323 is provided with an inserting shaft 324, and in an initial state, the inserting shaft 324 and the gear shaft 338 are coaxially arranged.

The process of receiving the enameled wire by the wire wheel 332 is specifically represented as follows:

the enameled wire is generally a copper wire and has certain strength.

Firstly, the wire feeding device 200 pulls the enameled wire to pass through the wire hole 333, meanwhile, the motor c321 operates to drive the screw rod a322 to rotate, so that the base moves towards the wire wheel 332, the output end of the inserting shaft 324 is inserted into the power hole of the gear shaft 338, the power hole is internally provided with an internal spline, the output end of the inserting shaft 324 is provided with an external spline, and at the moment, the inserting shaft 324 and the gear shaft 338 form power connection;

then, the wire feeding device 200 continuously pulls the enameled wire to be conveyed to the wire wheel 332 at a constant speed, and meanwhile, the motor d323 operates to drive the wire wheel shaft and the wire wheel 332 to take up the wire through the inserting shaft 324, the gear shaft 338, the gear b337 and the gear a336, so that the enameled wire is orderly wound outside the wire wheel 332;

after the enameled wire with a preset length is wound outside the wire wheel 332, the motor c321 reversely runs to drive the base to retreat, and the inserting shaft 324 is separated from the power hole.

As shown in fig. 17, the lifting mechanism 310 is located below the winding mechanism 330.

The lifting mechanism 310 includes a guide rod 315 vertically installed on the rack 100, a coupling frame 313 is installed outside the guide rod 315 in a sliding manner, the lower electromagnetic seat is fixedly installed on the top of the coupling frame 313, and a coupling area b314 with a horizontal guiding direction is arranged at the bottom of the coupling frame 313.

The lifting mechanism 310 further comprises a rotating shaft horizontally installed on the rack 100, the axial direction of the rotating shaft is perpendicular to the guiding direction of the linkage area b314, the input end of the rotating shaft is connected with a motor e311 through belt transmission power, and the output end of the rotating shaft is provided with a linkage rod 312.

One end of the linkage rod 312 is provided with a convex pin b, the convex pin b and the linkage area b314 form a sliding connection, and the other end of the linkage rod 312 is provided with a balancing weight.

The lifting mechanism 310 drives the reel 332 to reciprocate in the vertical direction, which is specifically represented as:

the motor e311 operates to drive the rotating shaft to rotate, the rotating shaft rotates to pull the linkage rod 312 to synchronously rotate, the linkage frame 313 is pulled to move along the vertical direction through the matching of the convex pin b and the linkage area b314, the linkage frame 313 moves to pull the lower electromagnetic seat to synchronously move, wherein, every period of rotation of the motor e311, the linkage frame 313 and the lower electromagnetic seat perform up-and-down reciprocating movement along the vertical direction;

when the linkage frame 313 moves downwards vertically, the upper electromagnetic seat is powered off, the lower electromagnetic seat is powered on, and the winding assembly moves downwards vertically together with the linkage frame 313 along with the lower electromagnetic seat;

when the linkage frame 313 moves vertically upwards to insert the top of the flying shuttle 331 back into the upper electromagnetic seat, the upper electromagnetic seat is electrified, the lower electromagnetic seat is powered off, and the winding assembly is attracted and hung on the upper electromagnetic seat;

then, after the linkage frame 313 moves vertically downwards and vertically upwards again, the bottom of the flying shuttle 331 is inserted back into the lower electromagnetic seat, the upper electromagnetic seat is powered off, the lower electromagnetic seat is powered on, and the winding assembly moves vertically downwards along with the lower electromagnetic seat and the linkage frame 313;

the wire winding device reciprocates in such a way, so that the enameled wire moves up and down in a reciprocating manner in the wire winding action.

In the vertical movement process of the winding assembly, the wire feeding device 200 stops feeding the wire, so that the wire wheel 332 also performs wire releasing rotation in the vertical movement process.

In a preferred embodiment, as shown in fig. 14, during the winding process of the pulley 332, the enameled wire is orderly wound outside the pulley 332, and during the unwinding process of the pulley 332, since only the friction force between the gear a336 and the gear b337 is used as damping when the pulley 332 rotates to unwind, the damping is small, so that the unwound enameled wire is easy to loosen, and further the subsequent process of winding the enameled wire around the skeleton is affected, so that the enameled wire wound around the skeleton is loosened, therefore, a damping member 340 is further disposed in the mounting region of the flying shuttle 331, and is used for increasing the damping received during the unwinding rotation of the pulley 332, and further the unwound enameled wire is in a stretched state.

Specifically, as shown in fig. 14 to 15, a bolt hole is formed in the shuttle 331, an axial direction of the bolt hole is parallel to an axial direction of the pulley 332, and the bolt hole communicates with the mounting area.

The damping member 340 includes a damping ball 342 disposed in a bolt hole, the damping ball 342 abuts against the gear a336, a bolt 341 is further disposed in the bolt hole, and a spring b343 is disposed between the bolt 341 and the damping ball 342.

The damping ball 342 is abutted against the gear a336, and the friction force between the damping ball 342 and the gear a336 forms a new damping for preventing the wire reel 332 from paying off and rotating.

As shown in fig. 8 to 10, the wire feeding device 200 includes a three-dimensional module and a wire feeding mechanism, wherein the three-dimensional module is used for drawing the wire feeding mechanism to move in a three-dimensional coordinate system, and the wire feeding mechanism is used for feeding the enameled wire to the wire wheel 332.

As shown in fig. 8, the three-dimensional module includes an X module 210, a Z module 220, and a Y module 230.

The X module 210 includes an X lead screw horizontally mounted on the rack 100, the axial direction of the X lead screw is perpendicular to the axial direction of the reel 332, the input end of the X lead screw is power connected with an X motor, an X seat is mounted on an external thread, and the X seat also forms a sliding guide fit with the rack 100 in a guide direction parallel to the axial direction of the X lead screw; the X-axis motor drives the X-axis screw rod to rotate, the X base is driven to move along the axial direction of the X-axis screw rod, and the axial direction of the X-axis screw rod is the X-axis direction.

The Z module 220 comprises a Z lead screw and a Z guide pillar which are vertically arranged on an X seat, the input end of the Z lead screw is in power connection with a Z motor, the external thread of the Z lead screw is provided with a Z seat, and the Z seat is also in sliding connection with the Z guide pillar; when the X seat moves along the X axis, the Z module 220 is pulled to move synchronously, in addition, the Z lead screw is driven to rotate through the operation of the Z motor, and then the Z seat is driven to move along the vertical direction, and the vertical direction is the Z axis direction.

The Y module 230 comprises a Y seat, the Y seat is arranged at the top of the Z seat in a sliding manner, the guiding direction of the Y seat is parallel to the axial direction of the wire wheel 332, a Y lead screw axially parallel to the axial direction of the wire wheel 332 is rotatably arranged on the Y seat, the Y lead screw is in threaded connection with the Z seat, the input end of the Y lead screw is in power connection with a Y motor, and the Y motor is fixedly arranged on the Y seat; when the X base moves along the X axis, the Z module 220 and the Y module 230 are pulled to move synchronously, when the Z base moves along the Z axis, the Y module 230 is pulled to move synchronously, in addition, the Y lead screw is driven by the Y motor to rotate, the Y lead screw rotates and moves along the axial direction at the same time, the Y lead screw moves along the axial direction to pull the Y base to move synchronously, the axial direction of the Y lead screw is the Y axis direction, in addition, the Y module 230 is designed in such a way, as shown in fig. 4-7, in the subsequent process that the enameled wire surrounds the framework, the Y module 230 and the wire feeding mechanism integrally retreat to avoid, and the process that the enameled wire surrounds the framework is not influenced.

As shown in fig. 8 to 10, the wire feeding mechanism includes a wire feeding member 240 for feeding the enamel wire to the pulley 332 and a wire cutting member 250 for cutting the enamel wire.

As shown in fig. 9, the wire feeding member 240 includes a wire feeding frame 241 mounted at the end of the Y seat, a wire feeding roller 243 is provided on the wire feeding frame 241, the axial direction of the wire feeding roller 243 is parallel to the axial direction of the wire wheel 332, and two sets of the wire feeding rollers 243 are provided: the region between the two sets of wire feeding rollers 243 is a wire feeding area.

The wire feeding roller a is rotatably arranged on the wire feeding frame 241, the input end of the wire feeding roller a is in power connection with a motor a244, and the wire feeding roller a is located above the wire feeding roller b.

The wire feeding frame 241 is provided with two sets of sliding holes 242 which are vertically arranged along the guiding direction, the two sets of sliding holes 242 are arranged along the axial direction of the wire feeding roller 243, and the two ends of the wire feeding roller b are respectively positioned in the two sets of sliding holes 242 in a sliding manner.

A slide block 245 is also vertically and slidably mounted on the thread feeding frame 241, a spring a246 is arranged between the slide block 245 and the thread feeding frame 241, the slide block 245 is driven by the elastic force of the spring a246 to vertically move upwards, and one end of the thread feeding roller b is rotatably connected with the slide block 245.

As shown in fig. 10, the wire feeding member 240 further includes a wire feeding nozzle 247, the wire feeding nozzle 247 is mounted on a side of the wire feeding frame 241 facing the wire wheel 332, and in an initial state, the wire feeding nozzle 247 is arranged coaxially with the wire hole 333, and a center line of the wire feeding area coincides with a center line of the wire feeding nozzle 247.

The wire feeding process of the wire feeding member 240 is specifically represented as follows:

the head end of the enameled wire passes through the wire feeding area and is positioned in the wire feeding nozzle 247;

the three-dimensional module operates to drive the wire feeding component 240 to move, so that the tail end of the wire feeding nozzle 247 is attached to the orifice of the wire hole 333;

then, the motor a244 operates to drive the wire feeding roller a to rotate, the wire feeding roller a rotates to pull the enameled wire to perform wire feeding movement, and the head end of the enameled wire sequentially penetrates through the wire feeding nozzle 247 and the wire hole 333;

then, the motor a244 continues to operate to pull the enameled wire to move at a constant speed, and meanwhile, the wire wheel 332 performs wire take-up rotation, so that the enameled wire is wound outside the wire wheel 332 in a matching manner, in addition, the Y module 230 can operate simultaneously to drive the wire feeding member 240 to move along the Y axis direction, namely the axial direction of the wire wheel 332, so that the enameled wire is sequentially wound outside the wire wheel 332, and the problems of knotting and the like do not occur when the wire wheel 332 performs paying off;

after the predetermined length of the enamel wire is wound on the wire wheel 332, as shown in fig. 4 to 7, the three-dimensional module traction wire feeding member 240 is retracted to one side of the clamping device 400 to prepare for the next winding.

As shown in fig. 10, the thread cutting member 250 comprises a motor b251 mounted on the thread feeding frame 241, the output end of the motor b251 is coaxially provided with a cylinder 252, the axial direction of the cylinder 252 is parallel to the ground and perpendicular to the axial direction of the thread wheel 332, and the end surface of the free end of the cylinder 252 is eccentrically provided with a convex pin a 253.

A knife edge is vertically arranged at the highest point of the outer surface of the wire feeding nozzle 247, a cutter 256 is vertically and slidably arranged in the knife edge, and a knife rest 254 is arranged at the top of the cutter 256.

The tool post 254 is provided with an interlocking area a255 with a guiding direction parallel to the axial direction of the reel 332, and the convex pin a253 is in sliding connection with the interlocking area a 255.

The motor b251 operates to drive the cylinder 252 to rotate, and the tool holder 254 and the cutting knife 256 are driven to move in the vertical direction through the cooperation of the convex pin a253 and the linkage area a255, so that the enameled wire is cut off.

As shown in fig. 18, the clamping device 400 includes a clamping mechanism 410, an adjusting mechanism 420, a rotating mechanism 430, and a pulling mechanism 440, wherein the clamping mechanism 410 is used for clamping the frame and the frame can rotate around its own axis, the adjusting mechanism 420 is used for adjusting the size of the clamping area of the clamping mechanism 410 to adapt to the clamping of frames with different diameters, the rotating mechanism 430 is used for providing power for the rotation of the frame, the pulling mechanism 440 is used for pulling the clamping mechanism 410 and the frame to move along the horizontal direction, and the horizontal moving direction of the frame is perpendicular to the axis of the pulley 332.

As shown in fig. 1, in the initial state, the clamping mechanism 410 is located below the wire winding assembly.

As shown in fig. 19 and 21, a slide rail 446 is horizontally disposed on the frame 100, and a guiding direction of the slide rail 446 is perpendicular to an axial direction of the pulley 332.

The clamping mechanism 410 includes an outer frame 411, the outer frame 411 and the sliding rail 446 form a sliding connection, an installation region 412 and an avoidance region 413 are formed on the outer frame 411, wherein the installation region 412 is in the shape of an axially vertical circular region, the avoidance region 413 is communicated with the installation region 412, and in an initial state, as shown in fig. 1, the winding assembly is located right above the avoidance region 413.

The inner wall of the mounting region 412 is radially provided with at least three groups of guide holes 414, which are illustrated as three groups in the present embodiment, in an array along the circumferential direction of the mounting region 412.

Each group of guide holes 414 is provided with a clamping member, and three groups of clamping members form a clamping area.

Specifically, the clamp includes a slide carriage 415 slidably disposed within the guide hole 414 and a clamp roller 416 vertically mounted on the slide carriage 415.

The three groups of clamping members are respectively a clamping member a, a clamping member b and a clamping member c, wherein the clamping members a and the clamping members b are symmetrically arranged about the guiding direction of the guide hole 414 where the clamping member c is located.

As shown in fig. 21-22, the adjusting mechanism 420 includes a motor g421 mounted on the outer frame 411, the output end of the motor g421 is connected with a lead screw b422, the lead screw b422 is close to the clamp c, and the axial direction of the lead screw b422 is parallel to the guiding direction of the guide hole 414 of the clamp c.

The external thread of the screw rod b422 is provided with an adjusting seat 423, the adjusting seat 423 and the outer frame 411 form a sliding connection with a guiding direction parallel to the axial direction of the screw rod b422, the screw rod b422 is driven to rotate by the motor g421, and the adjusting seat 423 is driven to move along the axial direction of the screw rod b 422.

The adjusting base 423 is connected with the clamping piece a or the clamping piece b through a first connecting piece, and the first connecting piece is used for driving the clamping piece a or the clamping piece b to move along the guiding direction of the guiding hole 414 where the clamping piece a or the clamping piece b is located by using power generated by the movement of the adjusting base 423.

Specifically, as shown in fig. 21-22, the first connecting member includes two sets of connecting rods: connecting bar a424 and connecting bar b 425.

Wherein, the connecting rod b425 is hinged with the outer frame 411, one end of the connecting rod b425 is provided with a linkage area d426, the bottom of the sliding seat 415 in the clamping piece a or the clamping piece b is provided with a convex pin c, the convex pin c and the linkage area d426 form a sliding fit, and the guiding direction of the linkage area d426 is perpendicular to the guiding direction of the guiding hole 414 in which the clamping piece a or the clamping piece b is located.

The other end of the connecting rod b425 is hinged with one end of the connecting rod a424, and the other end of the connecting rod a424 is hinged with the adjusting seat 423.

The articulated shafts at the articulated parts are all vertically arranged.

The adjusting base 423 is connected with the clamping piece c through a second connecting piece, and the second connecting piece is used for driving the clamping piece c to move along the guiding direction of the guiding hole 414 where the second connecting piece is located by using power generated by the movement of the adjusting base 423.

Specifically, as shown in fig. 21 to 22, the second connecting member includes a sliding rod 427, the guiding direction of the sliding rod 427 is parallel to the guiding direction of the guiding hole 414 of the clamping member c, one end of the sliding rod 427 is fixed to the sliding seat 415 in the clamping member c, the other end is connected to the adjusting seat 423 in a sliding manner, and the end is provided with a nut.

The outer part of the sliding rod 427 is also sleeved with a spring c428 between the adjusting seat 423 and the clamping piece c.

The process of adjusting the size of the clamping area of the clamping mechanism 410 by the adjusting mechanism 420 is embodied as follows:

first, as shown in fig. 21, the skeleton is placed in a clamping area formed by three sets of clamping members, and the skeleton is supported by the sliders 415 in the three sets of clamping members;

then, the motor g421 operates to drive the screw rod b422 to rotate, so as to drive the adjusting seat 423 to move close to the framework along the axial direction of the screw rod b422, and during the moving process of the adjusting seat 423:

firstly, the clamping piece a and the clamping piece b are driven to move through the first connecting piece: the adjusting seat 423 moves to drive the connecting rod b425 to deflect through the connecting rod a424, and the clamping piece a or the clamping piece b is stirred to move close to the axial core line of the placing area 412 through the matching of the linkage area d426 and the convex pin c;

driving the clamping piece c to move through the second connecting piece: the adjusting seat 423 moves to drive the clamping piece c to move close to the axial core line of the placement area 412 through the spring c 428;

the latter moves a greater distance than the former, and the excess movement of clamp c translates into compression of spring c428 during the engagement of the frame by the three sets of clamps, clamp rollers 416.

After winding is finished, the motor g421 runs in the reverse direction, so that the three groups of clamping components can retreat, the framework is clamped, and the wound inductor is taken away.

In addition, the clamping rollers 416 are made of soft materials, such as rubber or silica gel, and the framework can still be clamped by the clamping rollers 416 after the enameled wire is wound on the framework.

As shown in fig. 21, the rotating mechanism 430 includes a motor frame 431, the motor frame 431 is mounted on a sliding base 415 in the clamping piece c, a motor h432 is mounted on the motor frame 431, and the motor h432 is in power connection with the clamping roller 416 in the clamping piece c through belt transmission.

The process of rotating the backbone by the rotating mechanism 430: the motor h432 is operated to drive the clamping roller 416 in the clamping piece c to rotate through belt transmission, and the clamping roller 416 rotates to pull the framework to rotate.

As shown in fig. 19, the drawing mechanism 440 includes a drawing shaft 442 mounted on the frame 100, an axial direction of the drawing shaft 442 is parallel to an axial direction of the pulley 332, an input end of the drawing shaft 442 is power-connected with a motor f441, and an output end thereof is provided with a drawing rod 443.

The drawbar 443 has one end with a convex pin d and the other end with a counterweight.

A fixing frame 444 is fixed at the bottom of the outer frame 411, a linkage area c445 is arranged on the fixing frame 444, the guiding direction of the linkage area c445 is vertically arranged, and the convex pin d and the linkage area c445 form sliding fit.

The process that the clamping mechanism 410 and the framework are dragged to move along the horizontal direction by the traction mechanism 440 is as follows: the motor f441 operates to drive the traction shaft 442 to rotate, the traction shaft 442 rotates to synchronously rotate the traction rods 443, and under the matching of the convex pins d and the linkage areas c445, the traction rods 443 rotate to draw the fixed frame 444 and the outer frame 411 to reciprocate along the horizontal direction perpendicular to the axial direction of the reel 332, wherein, one reciprocating movement occurs to the outer frame 411 every time the motor f441 operates for one circle.

The working principle of the invention is as follows:

a framework preparation stage;

the method comprises the following steps: placing the framework in a clamping area formed by three groups of clamping components, and supporting the framework through a sliding seat 415 in the three groups of clamping components;

step two: motor g421 moves and orders about lead screw b422 and rotates, and then orders about the removal of adjusting seat 423 along the axial of lead screw b422 and be close to the skeleton, adjusts seat 423 and removes the in-process:

firstly, drive holder a and holder b through first connecting piece and remove: the adjusting base 423 moves to drive the connecting rod b425 to deflect through the connecting rod a424, and the clamping piece a or the clamping piece b is shifted to move close to the axial core line of the placement area 412 through the matching of the linkage area d426 and the convex pin c;

the latter moves a greater distance than the former, and the excess movement of clamp c translates into compression of spring c428 during cooperative clamping of the carcass by the nip rollers 416 of the three sets of clamps.

Secondly, preparing an enameled wire;

the method comprises the following steps: the head end of the enameled wire passes through the wire feeding area and is positioned in the wire feeding nozzle 247;

the three-dimensional module operates to drive the thread feeding component 240 to move, so that the tail end of the thread feeding nozzle 247 is attached to the orifice of the thread hole 333;

meanwhile, the motor c321 operates to drive the screw rod a322 to rotate, so that the base moves towards the reel 332, the output end of the inserting shaft 324 is inserted into the power hole of the gear shaft 338, an internal spline is arranged in the power hole, an external spline is arranged at the output end of the inserting shaft 324, and the inserting shaft 324 and the gear shaft 338 form power connection;

step two: the motor a244 operates to drive the wire feeding roller a to rotate, the wire feeding roller a rotates to pull the enameled wire to perform wire feeding movement, and the head end of the enameled wire sequentially penetrates through the wire feeding nozzle 247 and the wire hole 333;

the motor a244 continuously operates to pull the enameled wire to move at a constant speed, and meanwhile, the motor d323 operates to drive the wire reel shaft and the wire wheel 332 to take up the wire through the inserted shaft 324, the gear shaft 338, the gear b337 and the gear a336, and the enameled wire is orderly wound outside the wire wheel 332 through the cooperation of the inserted shaft 324, the gear shaft 338, the gear b337 and the gear a 336;

step three: when the enameled wire with a preset length is wound outside the wire wheel 332, the motor c321 reversely runs to drive the base to retreat, and the inserting shaft 324 is separated from the power hole;

meanwhile, the lower electromagnetic seat is powered off, the upper electromagnetic seat is powered on, the lifting mechanism 310 pulls the lower electromagnetic seat to vertically move downwards, so that the lower electromagnetic seat passes through the avoiding area 413 and is positioned below the outer frame 411, then, the clamping mechanism 410 and the framework are pulled by the pulling mechanism 440 to move along the horizontal direction, so that the placing area 412, namely the framework is positioned right below the winding assembly, then, the lower electromagnetic seat is pulled by the lifting mechanism 310 to vertically move upwards, and the bottom of the flying shuttle 331 in the winding assembly is inserted back into the lower electromagnetic seat.

The skeleton preparation stage can be performed simultaneously with the first and second steps in the enameled wire preparation stage.

(III) a winding stage;

the method comprises the following steps: the lower electromagnetic seat is powered on, the upper electromagnetic seat is powered off, and the lifting mechanism 310 pulls the lower electromagnetic seat and the winding assembly to vertically move downwards, penetrate through the framework and are positioned below the framework;

meanwhile, the three-dimensional module operates the first to make the wire feeding member 240 move vertically and synchronously with the wire winding assembly, and then drives the wire feeding member 240 to move along the Y-axis direction, so that the wire feeding member 240 is located at one side of the clamping device 400, as shown in the process shown in fig. 1-4;

in the downward moving process of the winding assembly, the wire feeding component 240 clamps the enameled wires through the two groups of wire feeding rollers 243 to stop feeding the wires, so that the downward moving of the winding assembly can perform a wire releasing action, and the released enameled wires are vertically arranged;

step two: the traction mechanism 440 pulls the clamping mechanism 410 and the framework to move along the horizontal direction, so that the winding assembly is positioned below the avoidance area 413;

step three: the lifting mechanism 310 pulls the lower electromagnetic seat and the winding assembly to vertically move upwards, and the bottom of the flying shuttle 331 in the winding assembly is inserted back into the upper electromagnetic seat;

the upper electromagnetic seat is powered on, the lower electromagnetic seat is powered off, and the lifting mechanism 310 pulls the lower electromagnetic seat to move vertically downwards, pass through the avoidance area 413 and are positioned below the outer frame 411;

step four: the traction mechanism 440 pulls the clamping mechanism 410 and the framework to move along the horizontal direction, so that the winding assembly is positioned right above the framework;

the lower electromagnetic seat is pulled by the lifting mechanism 310 to vertically move upwards, and the flying shuttle 331 in the winding assembly is inserted back into the lower electromagnetic seat;

at the moment, the first winding of the enameled wire is completed on the framework;

step five: the winding device 300 and the clamping device 400 repeat the fourth step to the seventh step, and meanwhile, a motor h432 in the rotating mechanism 430 operates through belt transmission to drive a clamping roller 416 in the clamping piece c to rotate, and the clamping roller 416 rotates to pull the framework to rotate;

the two are matched to finish the winding of a second circle of enameled wires of the framework;

repeating the above steps, when the skeleton is wound with a plurality of circles of enameled wires, for example, five circles of enameled wires, the wire cutting component 250 operates to cut off the enameled wires in the wire feeding nozzle 247;

and then, continuously repeating the winding process until the winding is finished, reversely operating the motor g421 to enable the three groups of clamping pieces to retreat, loosening the clamping of the framework and taking away the wound inductor.

Although the present invention has been described with reference to the preferred embodiments, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims

1. The automatic winding equipment for the annular inductor comprises a rack (100) and is characterized in that a wire feeding device (200), a winding device (300) and a clamping device (400) are mounted on the rack (100), the wire feeding device (200) is used for conveying an enameled wire to the winding device (300), the winding device (300) is used for orderly winding and storing the enameled wire and drawing the wound enameled wire to reciprocate up and down along the vertical direction, and the clamping device (400) is used for clamping a framework, drawing the framework to reciprocate along the horizontal direction and drawing the framework to rotate around the axial direction of the framework;

the winding device (300) comprises a lifting mechanism (310), a power mechanism (320) and a winding mechanism (330), wherein the winding mechanism (330) is used for receiving the enameled wires, the enameled wires are wound outside wire wheels (332) in the winding mechanism (330) in order, the power mechanism (320) is used for providing power for the action of receiving the enameled wires by the winding mechanism (330), and the lifting mechanism (310) is used for drawing the wire wheels (332) in the winding mechanism (330) to reciprocate along the vertical direction;

the winding mechanism (330) comprises a winding component and a suction component;

the winding assembly comprises flying shuttles (331) which are vertically arranged, the upper end part and the lower end part of each flying shuttle (331) are made of soft iron, and two groups of flying shuttles (331) are arranged in the horizontal direction;

the middle position of the opposite side surfaces of the flying shuttle (331) is provided with an installation area, a line shaft is rotatably arranged between the two groups of installation areas, and the line wheel (332) is sleeved outside the line shaft;

the two ends of the reel shaft are provided with power receiving parts, each power receiving part comprises a gear a (336) arranged at the end part of the reel shaft, a gear shaft (338) rotatably arranged in the mounting area and a gear b (337) arranged at the output end of the gear shaft (338), the gear a (336) is meshed with the gear b (337), and the input end of the gear shaft (338) is provided with a power hole;

the outer circular surface of the wire wheel (332) is provided with a wire hole (333), the axial direction of the wire hole (333) is perpendicular to the axial direction of the wire wheel (332), and in an initial state, the wire hole (333) is horizontally arranged;

the attraction assembly comprises an electromagnetic seat (334), two groups of electromagnetic seats (334) are arranged and respectively comprise an upper electromagnetic seat and a lower electromagnetic seat, jacks (335) are arranged at the bottom of the upper electromagnetic seat and the top of the lower electromagnetic seat, the end part of the flying shuttle (331) is inserted into the jacks (335), and the upper electromagnetic seat is fixedly installed on the rack (100).

2. The automatic winding device of the toroidal inductor according to claim 1, wherein the power mechanism (320) comprises a motor c (321) mounted on the frame (100), the output end of the motor c (321) is provided with a lead screw a (322), the axial direction of the lead screw a (322) is parallel to the axial direction of the reel (332), the external thread of the lead screw a (322) is provided with a base, and the base is slidably connected with the frame (100);

install motor d (323) on the base, insert axle (324) are installed to the output of motor d (323), and under the initial condition, insert axle (324) and gear shaft (338) are coaxial to be arranged.

3. The automatic winding device of the annular inductor according to claim 2, wherein the lifting mechanism (310) comprises a guide rod (315) vertically installed on the rack (100), a linkage frame (313) is installed outside the guide rod (315) in a sliding manner, the lower electromagnetic seat is fixedly installed at the top of the linkage frame (313), and a linkage area b (314) with a horizontal guiding direction is arranged at the bottom of the linkage frame (313);

the lifting mechanism (310) further comprises a rotating shaft horizontally arranged on the rack (100), the axial direction of the rotating shaft is perpendicular to the guiding direction of the linkage area b (314), the input end of the rotating shaft is connected with a motor e (311) through belt transmission power, and the output end of the rotating shaft is provided with a linkage rod (312);

one end of the linkage rod (312) is provided with a convex pin b, the convex pin b and the linkage area b (314) form sliding connection, and the other end of the linkage rod (312) is provided with a balancing weight.

4. The automatic winding device of the toroidal inductor according to claim 3, wherein the wire feeding device (200) comprises a three-dimensional module and a wire feeding mechanism, the three-dimensional module is used for drawing the wire feeding mechanism to move in a three-dimensional coordinate system, and the wire feeding mechanism comprises a wire feeding member (240) and a wire cutting member (250);

send line component (240) including sending line frame (241) be connected with three-dimensional module output, send line frame (241) to be provided with on line roller (243), send the axial of line roller (243) to be on a parallel with the axial of line wheel (332), send line roller (243) to be provided with two sets ofly: the wire feeding rollers a and b, and the area between the two sets of wire feeding rollers (243) is a wire feeding area;

the wire feeding roller a is rotatably arranged on the wire feeding frame (241), the input end of the wire feeding roller a is in power connection with a motor a (244), and the wire feeding roller a is positioned above the wire feeding roller b;

the wire feeding frame (241) is provided with two groups of sliding holes (242) which are vertically arranged in the guiding direction, the sliding holes (242) are arranged in the axial direction of the wire feeding roller (243), and two ends of the wire feeding roller b are respectively positioned in the two groups of sliding holes (242) in a sliding manner;

the wire feeding frame (241) is also vertically and slidably provided with a sliding block (245), a spring a (246) is arranged between the sliding block (245) and the wire feeding frame (241), the sliding block (245) is driven to vertically move upwards by the elastic force of the spring a (246), and one end of a wire feeding roller b is rotatably connected with the sliding block (245).

5. The automatic winding device for the toroidal inductor according to claim 4, wherein the wire feeding member (240) further comprises a wire feeding nozzle (247), the wire feeding nozzle (247) is installed at one side of the wire feeding frame (241) facing the wire wheel (332), in an initial state, the wire feeding nozzle (247) and the wire hole (333) are coaxially arranged, and the center line of the wire feeding area is coincident with the center line of the wire feeding nozzle (247);

the wire cutting component (250) comprises a motor b (251) arranged on the wire feeding frame (241), the output end of the motor b (251) is coaxially provided with a cylinder (252), the axial direction of the cylinder (252) is parallel to the ground and perpendicular to the axial direction of the wire wheel (332), and the end surface of the free end of the cylinder (252) is eccentrically provided with a convex pin a (253);

a knife edge is vertically arranged at the highest point of the outer surface of the wire feeding nozzle (247), a cutter (256) is vertically and slidably mounted in the knife edge, a knife rest (254) is arranged at the top of the cutter (256), a linkage area a (255) with the guide direction parallel to the axial direction of the wire wheel (332) is arranged on the knife rest (254), and the convex pin a (253) and the linkage area a (255) form sliding connection.

6. An automatic winding device for toroidal inductors as claimed in claim 5, characterised in that said gripping means (400) comprise a gripping mechanism (410), an adjusting mechanism (420), a rotating mechanism (430) and a drawing mechanism (440);

a sliding rail (446) is horizontally arranged on the rack (100), and the guiding direction of the sliding rail (446) is vertical to the axial direction of the wire wheel (332);

the clamping mechanism (410) comprises an outer frame (411), the outer frame (411) and the sliding rail (446) form sliding connection, an installation region (412) and an avoidance region (413) are formed in the outer frame (411), the installation region (412) is in the shape of an axial vertical circular region, the avoidance region (413) is communicated with the installation region (412), and in an initial state, the winding assembly is located right above the avoidance region (413);

guide holes (414) are radially formed in the inner wall of the placement area (412), three groups of guide holes (414) are arranged in an array along the circumferential direction of the placement area (412), clamping pieces are arranged in each group of guide holes (414), and the three groups of clamping pieces form a clamping area;

the clamping piece comprises a sliding seat (415) arranged in the guide hole (414) in a sliding mode and a clamping roller (416) vertically installed on the sliding seat (415), the three groups of clamping pieces are a clamping piece a, a clamping piece b and a clamping piece c, and the clamping piece a and the clamping piece b are symmetrically arranged in the guiding direction of the guide hole (414) where the clamping piece c is located.

7. The automatic winding device for the toroidal inductors according to claim 6, wherein the adjusting mechanism (420) comprises a motor g (421) installed on the outer frame (411), the output end of the motor g (421) is connected with a lead screw b (422) in a power mode, the lead screw b (422) is close to the clamping piece c, and the axial direction of the lead screw b (422) is parallel to the guiding direction of the guide hole (414) where the clamping piece c is located;

an adjusting seat (423) is installed on the outer thread of the screw rod b (422), and the adjusting seat (423) is connected with the outer frame (411) in a sliding mode;

the adjusting seat (423) is connected with the clamping piece a or the clamping piece b through a first connecting piece, and the first connecting piece is used for driving the clamping piece a or the clamping piece b to move along the guide direction of the guide hole (414) where the clamping piece a or the clamping piece b is located by utilizing power generated by the movement of the adjusting seat (423);

the adjusting seat (423) is connected with the clamping piece c through a second connecting piece, and the second connecting piece is used for driving the clamping piece c to move along the guiding direction of the guide hole (414) where the clamping piece c is located by utilizing power generated by movement of the adjusting seat (423).

8. The automatic winding device of the toroidal inductor according to claim 7, wherein the rotating mechanism (430) comprises a motor frame (431), the motor frame (431) is installed on a sliding seat (415) in the clamping piece c, a motor h (432) is installed on the motor frame (431), and the motor h (432) is in power connection with a clamping roller (416) in the clamping piece c through belt transmission;

the traction mechanism (440) comprises a traction shaft (442) arranged on the rack (100), the axial direction of the traction shaft (442) is parallel to the axial direction of the wire wheel (332), the input end of the traction shaft (442) is in power connection with a motor f (441), and the output end of the traction shaft is provided with a traction rod (443);

one end of the traction rod (443) is provided with a convex pin d, and the other end of the traction rod is provided with a balancing weight;

the bottom of the outer frame (411) is fixed with a fixing frame (444), a linkage area c (445) is arranged on the fixing frame (444), the guiding direction of the linkage area c (445) is vertically arranged, and the convex pin d and the linkage area c (445) form sliding fit.