CN113824280A

CN113824280A - Internal winding type winding machine and winding method thereof

Info

Publication number: CN113824280A
Application number: CN202111144703.8A
Authority: CN
Inventors: 胡家瑞; 周华国; 廖建勇
Original assignee: Shenzhen Honest Mechatronic Equipment Co Ltd
Current assignee: Shenzhen Honest Mechatronic Equipment Co Ltd
Priority date: 2021-09-28
Filing date: 2021-09-28
Publication date: 2021-12-21

Abstract

The invention discloses an internal winding type winding machine and a winding method thereof, and relates to the technical field of motor automatic assembly equipment, wherein the internal winding type winding machine comprises a rack, a wire pulling mechanism for driving a wire to move to wind a winding pole block of a stator, a rotary locking mechanism for fixing the stator and driving the stator to rotate, and a main wire shearing mechanism for shearing and clamping wires; the rotary locking mechanism is provided with a rotatable jig seat for placing the stator; the main thread trimming mechanism is provided with a reversible main pneumatic shear; the wire nozzle is movably positioned beside the rotatable jig seat, the main air shears are positioned beside the rotatable jig seat, the auxiliary air shears are movably positioned above the jig seat, and the wire nozzle, the main air shears and the auxiliary air shears correspond to the jig seat; through adopting mutually supporting of rotatory locking mechanism, wire-pulling mechanism and main thread trimming mechanism to realize fixing the stator, winding to the winding pole piece, the automation mechanized operation of cutting the tail end of the line of winding in-process, the wire winding precision is high, and work efficiency is high.

Description

Internal winding type winding machine and winding method thereof

Technical Field

The invention relates to the technical field of automatic assembly of motors, in particular to an internal winding type winding machine and a winding method thereof.

Background

The winding pole blocks are required to be sequentially wound when a stator is wound, wires are hung at a wire hanging position of a jig seat and a wire hanging position of the stator before winding so as to fix the movable wires, and the tail ends of the wires are cut during winding; the winding machine is widely applied to the winding process of the winding pole block of the stator, however, the existing winding machine has insufficient automation degree and low processing efficiency, the stator needs to be manually placed on the winding processing position during operation, and the stator still needs to be manually taken out after the operation is finished, so that the processing efficiency and the quality of stator winding are not improved; on the other hand, the winding machine in the prior art has the technical problems of low winding efficiency, inconsistent winding tightness and low wire shearing precision; therefore, in view of the current situation, it is urgently needed to develop an internal winding type winding machine and a winding method thereof so as to meet the requirement of practical use.

Disclosure of Invention

In view of the above, the present invention provides an internal winding type winding machine and a winding method thereof, which achieve the automatic operations of fixing a stator, winding a winding pole block, and cutting a tail end of a wire in the winding process by using the mutual cooperation of a rotation locking mechanism, a wire pulling mechanism and a main wire shearing mechanism, and have the advantages of high automation degree, high winding accuracy and high working efficiency.

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

an internal winding type winding machine comprises a frame, a wire drawing mechanism, a rotary locking mechanism and a main wire shearing mechanism, wherein the wire drawing mechanism is used for driving a wire to move to wind a winding pole block of a stator; the machine frame is provided with a workbench for mounting the mechanisms, the wire drawing mechanism is provided with a movable wire nozzle and a movable auxiliary air shear, and the auxiliary air shear is positioned beside the wire nozzle; the rotary locking mechanism is provided with a rotatable jig seat for placing the stator; the main thread trimming mechanism is provided with a reversible main pneumatic shear; the wire nozzle is movably located beside the rotatable jig base, the main air shears are located beside the rotatable jig base, the auxiliary air shears are movably located on the upper side of the jig base, and the wire nozzle, the main air shears and the auxiliary air shears correspond to the jig base.

As a preferred embodiment: the wire drawing mechanism comprises a wire nozzle overturning assembly, a vertical driving assembly, an auxiliary air shear assembly, a transverse driving assembly and a longitudinal driving assembly, wherein the longitudinal driving assembly is provided with a longitudinal sliding seat capable of longitudinally moving, the transverse driving assembly is provided with a transverse sliding seat capable of transversely moving, and the vertical driving assembly is provided with a vertical sliding seat capable of vertically moving; the transverse driving assembly is arranged on the longitudinal sliding seat, and the vertical driving assembly is arranged on the transverse sliding seat; the wire nozzle overturning assembly is arranged on the vertical sliding seat, and the auxiliary air shear assembly is arranged on the transverse sliding seat; the nozzle overturning assembly is provided with a rotatable rotating shaft, and the center of a wire outlet end of the nozzle is positioned on a central axis extension line of the rotating shaft.

As a preferred embodiment: the wire nozzle overturning assembly further comprises an overturning driving cylinder, a rocker arm and a wire nozzle seat, the overturning driving cylinder is installed on the vertical sliding seat, the shaft end of the overturning driving cylinder is connected with the rocker arm, the rocker arm is tightly sleeved on the rotating shaft, the rotating shaft can be rotatably installed on the vertical sliding seat, the wire nozzle seat is tightly sleeved on the rotating shaft, and the wire nozzle is tightly installed at the front end of the wire nozzle seat.

As a preferred embodiment: the auxiliary air shear assembly also comprises a lifting driving motor, a lifting screw rod and a mounting plate, wherein the lifting driving motor is mounted on the transverse sliding seat, the shaft end of the lifting driving motor is connected with the lifting screw rod, and the lifting screw rod is in running fit with the mounting plate; the auxiliary air shear is arranged on the mounting plate; the lifting driving motor drives the auxiliary air shear to lift.

As a preferred embodiment: the rotary locking mechanism also comprises a jig assembly for placing and fixing the stator, an opening and closing driving assembly for driving the jig assembly to fix or loosen the stator and a rotary driving motor for driving the stator to rotate; the jig component comprises the jig seat and a pressing sheet for pressing or loosening the stator on the jig seat, wherein the pressing sheet is elastically and separately abutted against the upper side wall of the jig seat; the opening and closing driving component can be separately abutted against the pressing sheet; the rotary driving motor is vertically arranged on the workbench, and the shaft end of the rotary driving motor is connected with the jig base.

As a preferred embodiment: the jig component also comprises a supporting block and a return spring, the supporting block is fixedly arranged on the side wall of the jig seat, the pressing sheet is rotatably arranged on the supporting block, and the return spring is arranged between the lower end of the pressing sheet and the side wall of the jig seat; the pressing sheets, the supporting blocks and the reset springs are two, and the two pressing sheets, the supporting blocks and the reset springs are symmetrically distributed on the side wall of the jig seat respectively.

As a preferred embodiment: the opening and closing driving assembly comprises a first opening and closing driving device and a second opening and closing driving device, wherein the first opening and closing driving device is used for driving the pressing sheet on the left side wall of the jig seat to press the stator; the first opening/closing driving device has a first push block capable of moving transversely, the first push block can be separately connected with the press sheet on the left side of the tool seat; the second opening/closing driving device has a second pushing block capable of moving transversely, and the second pushing block can be separately connected with the pressing sheet on the right side of the tool seat.

As a preferred embodiment: the first opening and closing driving device further comprises a first driving cylinder, a first connecting rod and a first guide rod, the shaft end of the first driving cylinder is connected with the first connecting rod, the first guide rod is longitudinally and tightly mounted on the first connecting rod, and the first push block is tightly mounted on the first guide rod; the second opening and closing driving device also comprises a second driving cylinder, a second connecting rod and a second guide rod, wherein the shaft end of the second driving cylinder is connected with the second connecting rod, the second guide rod is longitudinally and tightly mounted on the second connecting rod, and the second push block is tightly mounted on the second guide rod; the first connecting rod and the second connecting rod are transversely arranged in parallel, the second connecting rod can transversely movably penetrate through the first guide rod, and the first connecting rod can transversely movably penetrate through the second guide rod.

As a preferred embodiment: the main trimming mechanism further comprises a longitudinal driving assembly and a turning driving assembly, the longitudinal driving assembly comprises a longitudinal driving cylinder and a longitudinal sliding seat, the longitudinal driving cylinder is mounted on the workbench, the longitudinal sliding seat is slidably positioned on the workbench, and the shaft end of the longitudinal driving cylinder is connected with the longitudinal sliding seat; the overturning driving assembly comprises an overturning driving cylinder and a rotating rod, the overturning driving cylinder is arranged on the longitudinal sliding seat, the rotating rod can be rotatably arranged on the longitudinal sliding seat, and the shaft end of the overturning driving cylinder is connected with the rotating rod; the main air shears are tightly installed on the rotating rod.

The winding method of the internal winding type winding machine comprises the following steps:

firstly, a stator is placed on a rotary locking mechanism, and the rotary locking mechanism fixes the stator on a jig seat;

secondly, the wire nozzle of the wire drawing mechanism drives the wire to pass through the main air scissors from right to left, and the main air scissors clamp the tail end of the wire;

thirdly, the wire nozzle overturning assembly drives the wire nozzle to be in a vertical state, the wire nozzle drives the wire rod to wind on the jig seat, and the wire rod is hung at the wire hanging position of the jig seat; then the wire nozzle is used for hanging wires at the wire hanging position of the stator and then enters the outer side of a winding pole block of the stator, and the auxiliary air shear is used for shearing off wires between the auxiliary air shear and the wire hanging position of the jig seat; the main pneumatic shears turn over by 180 degrees and place the cut waste wire into the waste wire box at the rear side;

fourthly, the wire nozzle overturning assembly drives the wire nozzle to be in a horizontal state, the longitudinal driving assembly and the vertical driving assembly drive the wire nozzle to move longitudinally and vertically, the rotary driving motor drives the stator to rotate and swing left and right alternately, and the wire nozzle drives the wire to wind a winding pole block of the stator;

fifthly, when the wire is wound from the outer side of the winding pole block of the stator to the inner side of the winding pole block, the auxiliary air shear falls to cut off the wire between the wire hanging position of the jig base and the wire hanging position of the stator; the auxiliary air shear rises, and the wire nozzle drives the wire to wind from the inner side of the winding pole block to the outer side of the winding pole block to complete the winding of one winding pole block;

sixthly, after winding a single winding pole block, driving the stator to rotate by the rotary driving motor to wind the next winding pole block, and sequentially winding all the winding pole blocks;

seventhly, winding all the winding pole blocks of the stator, turning the main air shears by 180 degrees, turning the main air shears to the side of the jig seat from the position of the waste wire box at the rear side, and cutting and clamping the wound wire by the main air shears so as to perform winding of the next stator; the stator is loosened from the jig seat by the opening and closing driving assembly so as to discharge.

Compared with the prior art, the wire winding machine has the obvious advantages and beneficial effects, and particularly, according to the technical scheme, the automatic operation of fixing the stator, winding the wire winding pole block and cutting the tail end of the wire in the wire winding process is realized by adopting the mutual matching of the rotary locking mechanism, the wire drawing mechanism and the main wire cutting mechanism, so that the automation degree is high, the wire winding precision is high, and the working efficiency is high; the driving stator which is automatically opened and closed and drives the component is fixed or loosened on the jig seat, and the rotary driving motor drives the jig seat and the stator to rotate, so that the design is ingenious, and the occupied area is small; the wire nozzle is driven by the longitudinal driving assembly, the transverse driving assembly and the vertical driving assembly to move longitudinally, transversely and vertically, and the wire nozzle overturning assembly drives the wire nozzle to overturn, so that the position requirement of the wire nozzle is met, and the working efficiency is improved.

To more clearly illustrate the structural features and effects of the present invention, the following detailed description is given with reference to the accompanying drawings and specific embodiments.

Drawings

FIG. 1 is a schematic perspective view of an inner winding type winding machine according to the present invention;

FIG. 2 is a schematic perspective view of a main body of an inner winding type winding machine according to the present invention;

FIG. 3 is a first perspective view of the rotational locking mechanism of the present invention;

FIG. 4 is a perspective view of the second perspective of the rotational locking mechanism of the present invention;

FIG. 5 is a perspective view of the third perspective of the rotation locking mechanism of the present invention;

FIG. 6 is a schematic perspective view of a jig assembly and a rotary driving motor according to the present invention;

FIG. 7 is a first perspective view of the thread-pulling mechanism of the present invention;

FIG. 8 is a perspective view of a second perspective of the thread-pulling mechanism of the present invention;

FIG. 9 is a third perspective view of the thread-pulling mechanism of the present invention;

FIG. 10 is a perspective view of the main thread trimming mechanism of the present invention.

The attached drawings indicate the following:

in the figure: 10. a frame; 11. a work table; 20. a tensioner; 30. rotating the locking mechanism; 31. a jig component; 311. a jig base; 3111. a discharging part; 3112. a connecting portion; 3113. hanging a wire column; 312. tabletting; 3121. a pressing part; 3122. a rotating part; 313. a support block; 314. a return spring; 32. a rotary drive motor; 33. an opening and closing drive assembly; 331. a first opening/closing drive device; 3311. a first driving cylinder; 3312. a first link; 3313. a first guide bar; 3314. a first push block; 332. a second opening/closing drive device; 3321. a second driving cylinder; 3322. a second link; 3323. a second guide bar; 3324. a second push block; 40. a wire pulling mechanism; 41. a nozzle tip turning assembly; 411. a turnover driving cylinder; 412. a rocker arm; 413. a limiting rod; 414. a rotating shaft; 415. a thread nozzle seat; 416. a thread nozzle; 42. a vertical drive assembly; 421. a vertical drive motor; 422. a transmission belt; 423. a vertical slide carriage; 43. a secondary air shear assembly; 431. a lifting drive motor; 432. a lifting screw rod; 433. mounting a plate; 434. auxiliary pneumatic scissors; 44. a lateral drive assembly; 441. a transverse driving motor; 442. a transverse slide carriage; 443. a wire passing wheel; 45. a longitudinal drive assembly; 451 longitudinal drive means; 452. a longitudinal driving motor; 453. a longitudinal slide; 50. a main thread trimming mechanism; 51. a longitudinal drive assembly; 511. a longitudinal driving cylinder; 512. a longitudinal slide; 52. a turnover drive assembly; 521. a turnover driving cylinder; 522. rotating the rod; 53. main air shears; 54. a waste wire box; 60. a stator; 61. winding a pole block; 62. a notch; 63. and (5) hanging the thread sheet.

Detailed Description

As shown in fig. 1 to 10, the invention relates to an internal winding type winding machine, which comprises a frame 10, a wire pulling mechanism 40 for driving a wire to move to wind a winding pole block of a stator, a rotary locking mechanism 30 for fixing the stator and driving the stator to rotate, and a main wire shearing mechanism 50 for shearing and clamping wires; wherein:

the machine frame 10 is provided with a workbench 11 for mounting the above mechanisms, the wire drawing mechanism 40, the rotary locking mechanism 30 and the main wire shearing mechanism 50 are sequentially distributed on the workbench 11 from front to back, the wire drawing mechanism 40 is provided with a movable wire nozzle 416 and a movable auxiliary air shear 434, and the auxiliary air shear 434 is positioned at the side of the wire nozzle 416; the rotation locking mechanism 30 has a rotatable jig base 311 for placing the stator; the main thread trimming mechanism 50 is provided with a reversible main air shear 53; the wire nozzle 416 is movably located beside the rotatable jig base 311, the main air shears 53 are located beside the rotatable jig base 311, the auxiliary air shears 434 are movably located above the jig base 311, and the wire nozzle 416, the main air shears 53 and the auxiliary air shears 434 correspond to the jig base 311.

A tensioner 20 for providing tension for the wire is arranged on the workbench 11, and the wire reaches the wire drawing mechanism A40 through the tensioner 20; the stator 60 is provided with a plurality of winding pole blocks 61, and a gap 62 for the wire nozzle 416 to carry the wire to pass through is arranged between every two adjacent winding pole blocks 61; each stator is provided with three phases, each stator is provided with three wire hanging sheets 63 for hanging wires, and each phase is wound after the wires are hung on the wire hanging sheets 63; winding a winding pole block of a stator in the process of assembling the motor; the jig base 311 is provided with a wire hanging post 3113 for hanging a wire, the wire needs to be hung at the wire hanging position (wire hanging post 3113) of the jig base 311 and the wire hanging position (wire hanging piece 63) of the stator before winding so as to fix the wire which can freely move, and the wire which is hung and the wire which is wound between the adjacent winding frameworks are called transition wires; the wire is kept in a continuous state during the winding of the plurality of winding pole pieces.

The stator is placed on the rotary locking mechanism 30, and the rotary locking mechanism 30 fixes the stator on the jig seat; the wire rod reaches the wire drawing mechanism 40 through the tensioner 20, the rotary driving motor of the rotary locking mechanism 30 drives the stator to swing left and right, and a wire nozzle of the wire drawing mechanism 40 drives the wire rod to wind a winding pole block on the jig seat; the auxiliary pneumatic scissors of the thread pulling mechanism 40 and the main thread shearing mechanism 50 cooperate to shear the thread tail end in the thread winding process; the mutual matching of the rotary locking mechanism 30, the wire pulling mechanism 40 and the main wire shearing mechanism 50 is adopted to realize the automatic operation of fixing the stator, winding the wire winding pole block and shearing the tail end of the wire in the wire winding process, and the automatic wire winding machine has the advantages of high automation degree, high wire winding precision and high working efficiency.

The rotary locking mechanism 30 further comprises a jig component 31 for placing and fixing the stator, an opening and closing driving component 33 for driving the jig component 31 to fix or loosen the stator, and a rotary driving motor 32 for driving the stator to rotate; the jig assembly 31 comprises the jig base 311 and a pressing piece 312 for pressing or loosening the stator 311 on the jig base, wherein the pressing piece 312 is elastically and detachably abutted against the upper side wall of the jig base 311; the opening and closing driving component 33 can be separately abutted against the pressing sheet 312 to drive the pressing sheet 312 to press or release the stator; the rotary driving motor 32 is vertically installed on the working table 11, and the shaft end of the rotary driving motor 32 is connected with the jig base 311 to drive the jig base 311 and the stator to rotate.

The stator is automatically driven by the opening and closing driving component 33 to be fixed or loosened on the jig seat 311, the rotating driving motor 32 drives the jig seat 311 and the stator to rotate, the opening and closing driving component 33 can be abutted against the jig component 31 in a separable mode, the stator is ensured to be fixed or loosened, the rotation of the jig seat 311 is also ensured, and the position interference of the jig seat 311 in the rotating process is avoided; the design is ingenious, the occupied area is small, and the automation degree is high.

The jig assembly 31 further includes a supporting block 313 and a return spring 314, the supporting block 313 is fastened to the sidewall of the jig base 311, the pressing sheet 312 is rotatably mounted on the supporting block 313, and the return spring 314 is disposed between the lower end of the pressing sheet 312 and the sidewall of the jig base 311.

The pressing sheets 312, the supporting blocks 313 and the return springs 314 are two, and the two pressing sheets 312, the supporting blocks 313 and the return springs 314 are respectively and symmetrically distributed on the side wall of the jig seat 311; when a force is applied to the lower end of the pressing sheet 312 in the direction of the jig seat 311 and the lower end of the pressing sheet 312 approaches the side wall of the jig seat 311, the upper end of the pressing sheet 312 moves in the direction away from the jig seat 311 relative to the supporting block 313, and the stator in the jig seat 311 is loosened by the pressing sheet 312 so as to feed and discharge the stator; the reset spring 314 drives the pressing sheet 312 to reset, the upper end of the pressing sheet 312 moves towards the direction close to the jig seat 311 relative to the supporting block 313, and the stator in the jig seat 311 is fixed by the pressing sheet 312, so that the stator is fastened in the jig seat 311; the stator is automatically fixed or loosened in the jig seat 311; the pressing sheets 312 are respectively arranged on the two sides of the jig base 311, so that the pressing sheets 312 are better in downward pressing balance, and the stability of the whole structure is improved.

The opening and closing driving assembly 33 includes a first opening and closing driving device 331 for driving the pressing piece 312 on the left side wall of the jig base 311 to press the stator and a second opening and closing driving device 332 for driving the pressing piece 312 on the right side wall of the jig base 311 to press the stator; the first opening/closing driving device 331 has a first pushing block 3314 capable of moving laterally, the first pushing block 3314 is detachably connected to the pressing piece 312 on the left side of the tool holder 311; the second opening/closing driving device 332 has a second pushing block 3324 capable of moving laterally, and the second pushing block 3324 is detachably connected to the pressing sheet 312 on the right side of the tool holder 311.

The first opening/closing driving device 331 further includes a first driving cylinder 3311, a first connecting rod 3312 and a first guide rod 3313, wherein the first connecting rod 3312 is connected to the shaft end of the first driving cylinder 3311, the first guide rod 3313 is longitudinally and tightly fixed to the first connecting rod 3312, and the first push block 3314 is tightly fixed to the first guide rod 3313; the second opening/closing driving device 332 further includes a second driving cylinder 3321, a second link 3322, and a second guide rod 3323, wherein the second link 3322 is connected to an axial end of the second driving cylinder 3321, the second guide rod 3323 is vertically fastened to the second link 3322, and the second push block 3324 is fastened to the second guide rod 3323; the first link 3312 is transversely parallel to the second link 3322, the second link 3322 is transversely movably inserted through the first guide rod 3313, and the first link 3312 is transversely movably inserted through the second guide rod 3323.

The first driving cylinder 3311 drives the first connecting rod 3312 to move transversely, and the first guiding rod 3313 drives the first pushing block 3314 to tightly or tightly release the pressing plate 312 on the left side wall of the jig base 311; the second driving cylinder 3321 drives the second connecting rod 3322 to move transversely, and the second guide rod 3323 drives the second push block 3324 to abut against or release the pressing sheet 312 on the right side wall of the jig base 311; the first pushing block 3314 and the second pushing block 3324 move synchronously to fix or release the stator in the jig base 311; the first guide rod 3313 and the second guide rod 3323 guide the first pushing block 3314 and the second pushing block 3324, respectively, to prevent the position deviation, thereby improving the accuracy.

The pressing sheet 312 includes a horizontal pressing portion 3121 and a vertical rotating portion 3122, the rotating portion 3122 is rotatably installed on the supporting block 313, the return spring 314 is disposed at the lower end of the rotating portion 3122; the pressing portion 3121 detachably abuts against the upper sidewall of the jig base 311 to press or release the stator; the structure is more compact, the design is ingenious, and the occupied area is reduced.

The jig holder 311 includes an upper receiving portion 3111 and a lower connecting portion 3112, the receiving portion 3111 is detachably disposed on an upper surface of the connecting portion 3112, the stator is disposed on the receiving portion 3111, and the pressing portion 3121 detachably abuts on the upper surface of the receiving portion 3111; the supporting block 313 is arranged on the outer side wall of the connecting part 3112; the material placing part 3111 is detachably arranged on the upper surface of the connecting part 3112, so that the material placing part is convenient to detach and replace; the connecting portion 3112 can raise the position of the discharge portion 3111, avoiding positional interference in actual operation.

The jig assembly 31, the rotation driving motor 32, the first pushing block 3314, the first guiding rod 3313, the second pushing block 3324 and the second guiding rod 3323 are all plural, the plural first guiding rods 3313 are arranged on the first connecting rod 3312 at intervals, and the plural second guiding rods 3323 are arranged on the second connecting rod 3322 at intervals; the first connecting rods 3312 drive the first guide rods 3313 to move synchronously, the first push blocks 3314 contact the press plates 312 on the left side of the jig holders 311 synchronously, the second connecting rods 3322 drive the second guide rods 3323 to move synchronously, and the second push blocks 3324 contact the press plates 312 on the right side of the jig holders 311 synchronously; the production cost is reduced, the consistency of the abutting effect is high, and the working efficiency is improved.

The wire drawing mechanism 40 comprises a wire nozzle overturning assembly 41, a vertical driving assembly 42, an auxiliary air shear assembly 43, a transverse driving assembly 44 and a longitudinal driving assembly 45, wherein the longitudinal driving assembly 45 is provided with a longitudinal slide 453 capable of longitudinally moving, the transverse driving assembly 44 is provided with a transverse slide 442 capable of transversely moving, and the vertical driving assembly 42 is provided with a vertical slide 423 capable of vertically moving; the transverse drive assembly 44 is mounted on a longitudinal slide 453 and the vertical drive assembly 42 is mounted on a transverse slide 442; the nozzle overturning assembly 41 is mounted on the vertical slide 423, and the secondary air shear assembly 43 is mounted on the transverse slide 442; the nozzle overturning assembly 41 is provided with a rotatable rotating shaft 414, and the center of the outlet end of the nozzle 416 is positioned on the extension line of the central axis of the rotating shaft 414, so that the center position of the outlet end of the nozzle 416 before and after overturning is unchanged, and the position deviation of the wire is avoided; the secondary air shear assembly 43 has a movable secondary air shear 434, the secondary air shear 434 being located laterally of the nozzle 416.

The vertical driving assembly 42 drives the nozzle overturning assembly 41 to move vertically, the transverse driving assembly 44 drives the vertical driving assembly 42 and the nozzle overturning assembly 41 to move transversely, and the longitudinal driving assembly 45 drives the transverse driving assembly 44, the vertical driving assembly 42 and the nozzle overturning assembly 41 to move longitudinally together; the longitudinal driving component 45 and the transverse driving component 44 drive the auxiliary air shear component 43 to move longitudinally and transversely; the nozzle overturning component 41 drives the nozzle 416 to overturn; the line mouth 416 can move longitudinally, move transversely, move vertically and overturn, so that the requirements of the moving position and the angle of the line mouth 416 are met, the automation degree is high, and the working efficiency is improved.

The nozzle overturning component 41 drives the nozzle 416 to be in a vertical state, the nozzle 416 drives the wire rod to wind on the jig seat 311, and the wire rod is hung at the wire hanging position of the jig seat 311, namely the nozzle 416 drives the wire rod to hang on the wire hanging column 3113 of the jig seat 311; the longitudinal driving component 45 drives the thread nozzle 416 to move longitudinally to hang the thread in the longitudinal direction of the thread hanging column 3113, and the transverse driving component 44 drives the thread nozzle 416 to move transversely to hang the thread in the transverse direction of the thread hanging column 3113; the transverse driving component 44 drives the wire nozzle 416 to transversely move to the position of the wire hanging sheet 63 of the stator, then the wire nozzle 416 enters the outer side of the winding pole block 61 of the stator 60 after wire hanging is carried out at the wire hanging position (the wire hanging sheet 63) of the stator, and the auxiliary air shear 434 descends to cut off the wire between the auxiliary air shear 434 and the wire hanging position of the jig seat 311; the main air shears 53 turn over by 180 degrees to place the cut waste wire in the waste wire box at the rear side.

After the wire is hung, the wire nozzle 416 penetrates through the notches 62 of the two adjacent winding pole blocks 61 to reach the outer sides of the winding pole blocks 61; the nozzle overturning assembly 41 drives the nozzle 416 to be in a horizontal state, and as the center of the wire outlet end of the nozzle 416 is positioned on the extension line of the central axis of the rotating shaft 414, the positions of the wires before and after overturning of the nozzle 416 are not changed, and the longitudinal driving assembly 45 and the vertical driving assembly 42 drive the nozzle 416 to move longitudinally and vertically; the longitudinal driving assembly 45 drives the wire nozzle 416 to move longitudinally to wind the winding pole block 61 of the stator 60 from the outer side to the inner side; the vertical driving assembly 42 drives the wire nozzle 416 to vertically move to correspond to the winding of the winding pole block 61 in the vertical direction; the rotary driving motor 32 drives the stator 60 to rotate and swing left and right alternately so as to meet the requirement that the wire nozzle 416 winds the wire winding pole block in the transverse direction; such that the oscillating engagement of the nozzle 416 with the stator 60 winds the wire along the winding pole pieces; when the wire is wound from the outside of the winding pole block 61 of the stator 60 to the inside of the winding pole block 61, the auxiliary air shear 434 descends to cut off the wire between the wire hanging position (the position of the wire hanging column 3113) of the jig seat 311 and the wire hanging position (the position of the wire hanging sheet 63) of the stator 60; the sub air shear 434 is raised, and the wire nozzle 416 winds the wire from the inside of the wound pole piece 61 to the outside of the wound pole piece, thereby completing the winding of one wound pole piece.

The wire nozzle overturning assembly 41 further comprises an overturning driving cylinder 411, a rocker 412 and a wire nozzle base 415, wherein the overturning driving cylinder 411 is mounted on the vertical sliding base 423, the shaft end of the overturning driving cylinder 411 is hinged to one end of the rocker 412, the rocker 412 is fixedly sleeved on a rotating shaft 414, the rotating shaft 414 is rotatably mounted on the vertical sliding base 423, the wire nozzle base 415 is fixedly sleeved on the rotating shaft 414, and the wire nozzle 416 is fixedly mounted at the front end of the wire nozzle base 415; a limiting rod 413 for limiting the rotating position of the rocker 412 is arranged beside the rocker 412, and the rocker 412 is in rotary contact with the limiting rod 413; the limit lever 413 defines the maximum position of rotation of the rocker arm 412.

The shaft end of the overturning driving cylinder 411 drives the rocker arm 412 to rotate, the rocker arm 412 rotates to drive the rotating shaft 414 to rotate, and the rotating shaft 414 rotates to drive the nozzle seat 415 and the nozzle 416 to rotate; the nozzle 416 is turned over at an angle to meet the angular requirements of the nozzle 416 in actual operation.

The auxiliary air shear assembly 43 further comprises a lifting driving motor 431, a lifting screw 432 and a mounting plate 433, wherein the lifting driving motor 431 is mounted on the transverse sliding base 442, the shaft end of the lifting driving motor 431 is connected with the lifting screw 432, and the lifting screw 432 is in rotating fit with the mounting plate 433; the auxiliary air shear 434 is mounted on the mounting plate 433; the lifting driving motor 431 drives the auxiliary air shear 434 to lift; the auxiliary air shear 434 on the lifting drive motor 431 drives the mounting plate 433 to lift relative to the wire nozzle 416, the lifting drive motor 431 and the lifting screw 432 are adopted to guarantee the moving accuracy of the auxiliary air shear 434, and the moving stability is improved.

The longitudinal driving assembly 45 further comprises a longitudinal base plate (not shown) and a longitudinal driving device 451, the longitudinal driving device 451 is mounted on the longitudinal base plate, the longitudinal slide 453 is slidably located on the longitudinal base plate, and an output end of the longitudinal driving device 451 is connected with the longitudinal slide 453; the transverse driving assembly 44 further comprises a transverse driving device mounted on a longitudinal slide 453, the transverse slide 442 being slidably located on the longitudinal slide 453, and an output end of the transverse driving device being connected to the transverse slide 442; the vertical driving assembly 42 further comprises a vertical driving device, the vertical driving device is mounted on the transverse sliding base 442, the vertical sliding base 423 is slidably located on the transverse sliding base 442, and an output end of the vertical driving device is connected with the vertical sliding base 423; a plurality of line passing wheels 443 are arranged on the transverse sliding base 442 at intervals, the line passing wheels 443 correspond to the line nozzles 416 one by one, and the line passing wheels 443 are positioned above the line nozzles 416; the wire rod reaches the wire nozzle 416 through the wire passing wheel 443, so that the wire rod is prevented from being bent, and the wire rod is prevented from being wound together.

The longitudinal driving device 451 comprises a longitudinal driving motor 452 and a longitudinal lead screw (not shown), wherein the shaft end of the longitudinal driving motor 452 is connected with the longitudinal lead screw, and the longitudinal lead screw is rotatably matched with the longitudinal slide 453; the transverse driving device comprises a transverse driving motor 441 and a transverse screw rod (not shown), wherein the shaft end of the transverse driving motor 441 is connected with the transverse screw rod, and the transverse screw rod is rotatably matched with the transverse sliding seat 442.

The vertical driving device comprises a vertical driving motor 421, a driving wheel (not shown), a driven wheel (not shown) and a transmission belt 422, wherein the vertical driving motor 421 is mounted on a transverse sliding seat 442, the driving wheel is sleeved at the shaft end of the vertical driving motor 421, the driven wheel is positioned above the driving wheel, and the transmission belt 422 is sleeved on the driving wheel and the driven wheel; a plurality of tooth grooves (not shown) are arranged on the transmission belt 422 at intervals, a plurality of convex blocks (not shown) corresponding to the tooth grooves are arranged on the vertical sliding base 423 at intervals, and the vertical sliding base 423 is fixedly connected with the transmission belt 422; vertical driving motor 421 drives vertical slide 423 to go up and down, and the tooth's socket that sets up on the drive belt 422 cooperatees with the lug that sets up on vertical slide 423 for vertical slide 423 is connected inseparabler with drive belt 422, is difficult to take place the dislocation.

The nozzle turning assemblies 41 are a plurality of groups, and the plurality of groups of nozzle turning assemblies 41 are arranged on the vertical sliding base 423 at intervals; the plurality of auxiliary air shears 434 are arranged on the mounting plate 433 at intervals; the plurality of sub air shears 434 correspond to the plurality of nozzles 416 of the plurality of nozzle turning assemblies 41 one by one; the longitudinal driving assembly 45, the transverse driving assembly 44 and the vertical driving assembly 42 drive the plurality of groups of nozzle overturning assemblies 41 to move, so that the production cost is reduced, and the working efficiency is improved.

The main trimming mechanism 50 further comprises a longitudinal driving assembly 51 and a turning driving assembly 52, wherein the longitudinal driving assembly 51 comprises a longitudinal driving cylinder 511 and a longitudinal sliding seat 512, the longitudinal driving cylinder 511 is mounted on the workbench 11, the longitudinal sliding seat 512 is slidably located on the workbench 11, and the shaft end of the longitudinal driving cylinder 511 is connected with the longitudinal sliding seat 512; the overturning driving assembly 52 comprises an overturning driving cylinder 521 and a rotating rod 522, the overturning driving cylinder 521 is mounted on the longitudinal sliding seat 512, the rotating rod 522 is rotatably mounted on the longitudinal sliding seat 512, and the shaft end of the overturning driving cylinder 521 is connected with the rotating rod 522; the main air shear 53 is fastened to the turning lever 522.

The winding of the stator 60 is completed by winding the pole block 61, the main air shears 53 are turned over by 180 degrees, the main air shears 53 are turned over to the side of the jig seat 311 from the position of the waste wire box at the rear side, and the main air shears 53 cut and clamp the wound wire to perform the winding of the next stator; the opening and closing driving component 33 releases the stator 60 from the jig base 311 for discharging; a waste wire box 54 for containing waste wires is arranged on the rear side of the main wire cutting mechanism 50, the main air shears 53 are driven to turn over by the turning driving air cylinder 521, and the cut waste wires are placed into the waste wire box 54 on the rear side by the main air shears 53 by turning over for 180 degrees; in the process of winding the winding pole block, the main air scissors 53 are kept in the state of the rear side, so that the position interference of a nozzle in the winding process is prevented; the longitudinal driving assembly 51 drives the overturning driving assembly 52 to move longitudinally so as to meet the requirement of the main air shears 53 on position movement in the thread trimming process.

The design key point of the invention is that the automatic operation of fixing the stator, winding the winding pole block and cutting off the tail end of the wire in the winding process is realized by adopting the mutual matching of the rotary locking mechanism, the wire pulling mechanism and the main wire cutting mechanism, the automation degree is high, the winding precision is high, and the working efficiency is high; the driving stator which is automatically opened and closed and drives the component is fixed or loosened on the jig seat, and the rotary driving motor drives the jig seat and the stator to rotate, so that the design is ingenious, and the occupied area is small; the wire nozzle is driven by the longitudinal driving assembly, the transverse driving assembly and the vertical driving assembly to move longitudinally, transversely and vertically, and the wire nozzle overturning assembly drives the wire nozzle to overturn, so that the position requirement of the wire nozzle is met, and the working efficiency is improved.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the technical scope of the present invention, so that any minor modifications, equivalent changes and modifications made to the above embodiments according to the technical spirit of the present invention are within the technical scope of the present invention.

Claims

1. An internal winding type winding machine is characterized in that; the wire winding machine comprises a rack, a wire drawing mechanism for driving a wire to move to wind a winding pole block of a stator, a rotary locking mechanism for fixing the stator and driving the stator to rotate, and a main wire shearing mechanism for shearing and clamping wires; the machine frame is provided with a workbench for mounting the mechanisms, the wire drawing mechanism is provided with a movable wire nozzle and a movable auxiliary air shear, and the auxiliary air shear is positioned beside the wire nozzle; the rotary locking mechanism is provided with a rotatable jig seat for placing the stator; the main thread trimming mechanism is provided with a reversible main pneumatic shear; the wire nozzle is movably located beside the rotatable jig base, the main air shears are located beside the rotatable jig base, the auxiliary air shears are movably located on the upper side of the jig base, and the wire nozzle, the main air shears and the auxiliary air shears correspond to the jig base.

2. The inner winding type winding machine according to claim 1, wherein: the wire drawing mechanism comprises a wire nozzle overturning assembly, a vertical driving assembly, an auxiliary air shear assembly, a transverse driving assembly and a longitudinal driving assembly, wherein the longitudinal driving assembly is provided with a longitudinal sliding seat capable of longitudinally moving, the transverse driving assembly is provided with a transverse sliding seat capable of transversely moving, and the vertical driving assembly is provided with a vertical sliding seat capable of vertically moving; the transverse driving assembly is arranged on the longitudinal sliding seat, and the vertical driving assembly is arranged on the transverse sliding seat; the wire nozzle overturning assembly is arranged on the vertical sliding seat, and the auxiliary air shear assembly is arranged on the transverse sliding seat; the nozzle overturning assembly is provided with a rotatable rotating shaft, and the center of a wire outlet end of the nozzle is positioned on a central axis extension line of the rotating shaft.

3. The inner winding type winding machine according to claim 2, wherein: the wire nozzle overturning assembly further comprises an overturning driving cylinder, a rocker arm and a wire nozzle seat, the overturning driving cylinder is installed on the vertical sliding seat, the shaft end of the overturning driving cylinder is connected with the rocker arm, the rocker arm is tightly sleeved on the rotating shaft, the rotating shaft can be rotatably installed on the vertical sliding seat, the wire nozzle seat is tightly sleeved on the rotating shaft, and the wire nozzle is tightly installed at the front end of the wire nozzle seat.

4. The inner winding type winding machine according to claim 3, wherein: the auxiliary air shear assembly also comprises a lifting driving motor, a lifting screw rod and a mounting plate, wherein the lifting driving motor is mounted on the transverse sliding seat, the shaft end of the lifting driving motor is connected with the lifting screw rod, and the lifting screw rod is in running fit with the mounting plate; the auxiliary air shear is arranged on the mounting plate; the lifting driving motor drives the auxiliary air shear to lift.

5. The inner winding type winding machine according to claim 1, wherein: the rotary locking mechanism also comprises a jig assembly for placing and fixing the stator, an opening and closing driving assembly for driving the jig assembly to fix or loosen the stator and a rotary driving motor for driving the stator to rotate; the jig component comprises the jig seat and a pressing sheet for pressing or loosening the stator on the jig seat, wherein the pressing sheet is elastically and separately abutted against the upper side wall of the jig seat; the opening and closing driving component can be separately abutted against the pressing sheet; the rotary driving motor is vertically arranged on the workbench, and the shaft end of the rotary driving motor is connected with the jig base.

6. The inner winding type winding machine according to claim 5, wherein: the jig component also comprises a supporting block and a return spring, the supporting block is fixedly arranged on the side wall of the jig seat, the pressing sheet is rotatably arranged on the supporting block, and the return spring is arranged between the lower end of the pressing sheet and the side wall of the jig seat; the pressing sheets, the supporting blocks and the reset springs are two, and the two pressing sheets, the supporting blocks and the reset springs are symmetrically distributed on the side wall of the jig seat respectively.

7. The inner winding type winding machine according to claim 6, wherein: the opening and closing driving assembly comprises a first opening and closing driving device and a second opening and closing driving device, wherein the first opening and closing driving device is used for driving the pressing sheet on the left side wall of the jig seat to press the stator; the first opening/closing driving device has a first push block capable of moving transversely, the first push block can be separately connected with the press sheet on the left side of the tool seat; the second opening/closing driving device has a second pushing block capable of moving transversely, and the second pushing block can be separately connected with the pressing sheet on the right side of the tool seat.

8. The inner winding type winding machine according to claim 7, wherein: the first opening and closing driving device further comprises a first driving cylinder, a first connecting rod and a first guide rod, the shaft end of the first driving cylinder is connected with the first connecting rod, the first guide rod is longitudinally and tightly mounted on the first connecting rod, and the first push block is tightly mounted on the first guide rod; the second opening and closing driving device also comprises a second driving cylinder, a second connecting rod and a second guide rod, wherein the shaft end of the second driving cylinder is connected with the second connecting rod, the second guide rod is longitudinally and tightly mounted on the second connecting rod, and the second push block is tightly mounted on the second guide rod; the first connecting rod and the second connecting rod are transversely arranged in parallel, the second connecting rod can transversely movably penetrate through the first guide rod, and the first connecting rod can transversely movably penetrate through the second guide rod.

9. The inner winding type winding machine according to claim 1, wherein: the main trimming mechanism further comprises a longitudinal driving assembly and a turning driving assembly, the longitudinal driving assembly comprises a longitudinal driving cylinder and a longitudinal sliding seat, the longitudinal driving cylinder is mounted on the workbench, the longitudinal sliding seat is slidably positioned on the workbench, and the shaft end of the longitudinal driving cylinder is connected with the longitudinal sliding seat; the overturning driving assembly comprises an overturning driving cylinder and a rotating rod, the overturning driving cylinder is arranged on the longitudinal sliding seat, the rotating rod can be rotatably arranged on the longitudinal sliding seat, and the shaft end of the overturning driving cylinder is connected with the rotating rod; the main air shears are tightly installed on the rotating rod.

10. A winding method of an internal winding type winding machine according to any one of claims 1 to 9, characterized in that: the method comprises the following steps: