CN212875631U

CN212875631U - Rotor winding displacement coiling machine

Info

Publication number: CN212875631U
Application number: CN202021689553.XU
Authority: CN
Inventors: 程玉飞
Original assignee: Shenzhen Gimech Technology Corp
Current assignee: Shenzhen Gimech Technology Corp
Priority date: 2020-08-12
Filing date: 2020-08-12
Publication date: 2021-04-02
Anticipated expiration: 2030-08-12

Abstract

The application is suitable for the technical field of winding machines, and provides a rotor wire arranging and winding machine which comprises a rotor feeding mechanism, a transferring mechanism, a positioning and clamping mechanism, a winding mechanism, a wire shearing mechanism and a wire end clamping mechanism; the rotor feeding mechanism is used for feeding the rotor to the transfer mechanism; the transfer mechanism is used for transferring the rotor to the positioning and clamping mechanism; the positioning and clamping mechanism can rotate the rotor along the circumferential direction and perform positioning and clamping along the axial direction; the wire head clamping mechanism is used for clamping the wire head of the electric wire; the winding mechanism winds the electric wire on the rotor; the wire cutting mechanism cuts off the wound electric wire between the rotor and the wire end clamping structure. The utility model provides a accurate winding displacement coiling machine of rotor through setting up rotor feed mechanism, transport mechanism, location fixture, winding mechanism, trimming mechanism and end of a thread clamping mechanism for whole wire winding process realizes the full automatization, has improved production efficiency.

Description

Rotor winding displacement coiling machine

Technical Field

The application relates to the technical field of winding machines, in particular to a rotor wire arranging and winding machine.

Background

The motor rotor is a common component of a motor and comprises a central wheel and a plurality of windings uniformly distributed along the circumferential direction of the central wheel, and a gap is reserved between every two adjacent windings so that copper wires and aluminum wires can enter and wind the windings in an isopotential manner.

The existing motor rotor winding generally adopts an automatic winding machine, but a plurality of manual links are required in the middle of the existing automatic winding machine, for example, the feeding process, the wire shearing process and the like, a plurality of devices are required to be manual, and the efficiency is not high enough.

SUMMERY OF THE UTILITY MODEL

An object of the embodiment of the application is to provide a rotor winding displacement coiling machine to solve the technical problem that the automatic winding machine of the rotor in the prior art has low efficiency due to manual feeding and wire cutting operation.

In order to achieve the purpose, the technical scheme adopted by the application is as follows: the rotor wire arranging and winding machine comprises a rotor feeding mechanism, a transferring mechanism, a positioning and clamping mechanism, a winding mechanism, a wire shearing mechanism and a wire end clamping mechanism;

the rotor feeding mechanism is used for feeding the rotor to the transfer mechanism;

the transfer mechanism is used for transferring the rotor to the positioning and clamping mechanism;

the positioning and clamping mechanism can rotate the rotor along the circumferential direction and perform positioning and clamping along the axial direction;

the wire head clamping mechanism is used for clamping the wire head of the electric wire; the winding mechanism winds the electric wire on the rotor;

and the wire cutting mechanism cuts off the wire between the wound rotor and the wire end clamping structure.

The application provides a rotor winding displacement coiling machine's beneficial effect lies in: compared with the prior art, the rotor winding displacement coiling machine of this application, through rotor feed mechanism, transport mechanism is given in automatic feeding, and location fixture is transported to the rotor that transport mechanism will come the material. The positioning and clamping mechanism clamps the rotor from two ends and then rotates the rotor to a proper angle. During threading for the first time, the thread end is manually led into the winding frame and then led into the thread end clamping mechanism to clamp the thread end, and then the winding mechanism starts to automatically wind the thread. After winding one winding, the positioning and clamping mechanism rotates the rotor, adjusts the rotor to a second winding and winds the winding. When the whole rotor is wound, the wire is automatically cut by the wire cutting mechanism. The rotor is transported back to the automatic feeding structure by the transporting mechanism and is transported away. The whole process is full-automatic except that the first threading is manual, and the whole winding process improves the production efficiency.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a rotor flat cable winding machine according to an embodiment of the present application;

FIG. 2 is an enlarged view at A of FIG. 1;

FIG. 3 is an enlarged view at B of FIG. 1;

fig. 4 is a front view of a rotor flat cable winding machine according to an embodiment of the present application;

FIG. 5 is a schematic structural diagram of a loading mechanism provided by one embodiment of the present application;

FIG. 6 is a schematic structural view of a transfer mechanism provided in one embodiment of the present application;

FIG. 7 is an enlarged view of a portion of the jaws of FIG. 6;

FIG. 8 is a schematic structural view of a winding mechanism provided in one embodiment of the present application;

FIG. 9 is a schematic view of an upper top shaft portion of a positioning fixture as provided by an embodiment of the present application;

FIG. 10 is a schematic view of a lower clamp shaft portion of a positioning and clamping mechanism provided by an embodiment of the present application;

fig. 11 is a schematic structural diagram of a robot part in a feeding mechanism according to an embodiment of the present application;

FIG. 12 is a top view of the robot portion of FIG. 11;

fig. 13 is a schematic structural diagram of a thread trimming mechanism provided in an embodiment of the present application.

Reference numerals referred to in the above figures are detailed below:

in the figure: 1-a feeding mechanism; 101-a main conveyor belt; 102-a manipulator; 103-a manipulator drive mechanism; 104-a first clamping member; 105-a second clamping member; 106-secondary conveyor belt; 107-material transferring structure; 1031-manipulator mounting plate; 1032-manipulator lifting cylinder; 1033-manipulator sliding cylinder; 1071-rotor transport seat; 1072-a transfer station;

2-a transfer mechanism; 201-a clamping jaw;

3, positioning a clamping mechanism; 301-upper top shaft; 302-lower clamping shaft; 303-a lifting cylinder; 304-a clamping cylinder;

4-a winding mechanism; 401-winding mould; 402-threading the bobbin; 403-bobbin winder; 404-a rotation axis; 405-a wobble block; 406-a main support; 407-secondary support; 408-a winding linear cylinder; 409-winding a first motor; 4010-wound second electrical machine;

5-a thread trimming mechanism; 501-automatic wire scissors; 502-wire shear drive cylinder;

6-a thread end clamping mechanism;

7-a thread supply mechanism; 701-a wire supply wheel; 702-reel.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present application clearer, the present application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, as used herein, refer to an orientation or positional relationship indicated in the drawings that is solely for the purpose of facilitating the description and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the present application.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.

In order to explain the technical solution of the present application, the following detailed description is made with reference to the specific drawings and examples.

As shown in fig. 1 to 13, an embodiment of the present application provides a rotor winding displacement winding machine, which includes a rotor feeding mechanism 1, a transferring mechanism 2, a positioning and clamping mechanism 3, a winding mechanism 4, a thread trimming mechanism 5, and a thread end clamping mechanism 6;

the rotor feeding mechanism 1 is used for feeding the rotor to the transferring mechanism 2;

the transfer mechanism 2 is used for transferring the rotor to the positioning and clamping mechanism 3;

the positioning and clamping mechanism 3 can rotate the rotor along the circumferential direction and perform positioning and clamping along the axial direction;

the wire head clamping mechanism 6 is used for clamping the wire head of the electric wire; the winding mechanism 4 winds the electric wire on the rotor;

and the wire cutting mechanism 5 cuts the wires between the wound rotor and the wire end clamping structure.

Specifically, as shown in fig. 5, 11 and 12, the rotor feeding mechanism 1 includes a main conveyor belt 101, and further includes a robot 102, a robot driving mechanism 103, a first clamping member 104, a second clamping member 105 and a clamping cylinder;

the main conveyor 101 conveys the rotor between the first clamp 104 and the second clamp 105; the first clamping piece 104 and the second clamping piece 105 are respectively arranged on two sides of the main conveyor belt 101, and the clamping cylinder drives the first clamping piece 104 to move and is matched with the second clamping piece 105 to clamp the peripheral side of the rotor; the clamping cylinder is positioned behind the first clamping piece 104 and is arranged on the side edge of the main conveyor belt 101, and the output end of the clamping cylinder drives the first clamping piece 104 to reciprocate.

The robot driving mechanism 103 drives the robot 102 to move up and down and translate, and the robot 102 can clamp the clamped rotor to the transfer mechanism 2.

The robot 102 is a conventional rotor gripping robot 102 in general. The robot driving mechanism 103 includes a robot mounting plate 1031, and a cylinder for driving the robot mounting plate 1031 to move up and down and slide. The manipulator 102 is mounted on the manipulator mounting plate 1031, and the manipulator lifting cylinder 1032 drives the manipulator 102 to lift. Meanwhile, the manipulator mounting plate 1031 is slidably connected to a bracket mounted on the table body of the entire machine. The robot mounting plate 1031 is simultaneously driven to translate by the robot slide cylinder 1033. The rotor can be automatically approached, clamped and then transported to the transfer mechanism 2. The clamping surfaces of the first clamping member 104 and the second clamping member 105 are V-shaped, and are fitted to the rotor to clamp the circumferential side of the rotor.

The rotor feeding mechanism 1 further comprises at least one auxiliary conveyor belt 106, the auxiliary conveyor belt 106 and the main conveyor belt 101 are arranged in parallel and are both mounted on the table body, a material transferring structure 107 is arranged between the auxiliary conveyor belt 106 and the main conveyor belt 101, and the rotor is transferred to the main conveyor belt 101 through the material transferring structure 107. As shown in fig. 5, two secondary conveyor belts 106 are provided, and a material transferring structure 107 is provided between the two secondary conveyor belts 106.

The material transferring structure 107 comprises a rotor transport seat 1071 on which the rotor is vertically placed. The device further comprises a motor, wherein the motor drives the transfer base 1072 through the screw-nut pair to transfer the rotor transport base 1071 to the other rotor transport base through one transmission belt. The transfer base 1072 is located at the end of the conveyor belt and is inserted into the rotor transport base 1071 through slots and inserts. When the rotor transport seats 1071 are transferred to the end by one conveyor belt, the rotor transport seats 1071 are just inserted into the transfer seats 1072 and are thus transferred to the other conveyor belt.

Specifically, as shown in fig. 6 and 7, the transfer mechanism 2 includes a transfer rotating cylinder, a transfer lifting cylinder and a transfer frame, and the transfer rotating cylinder drives the transfer frame to rotate; the transfer lifting cylinder drives the transfer frame to lift; the transfer mechanism 2 is arranged between the feeding mechanism 1 and the positioning and clamping mechanism 3 and used for transferring the rotor to the positioning and clamping mechanism 3 from the feeding mechanism 1. The transfer mechanism 2 is located below the robot 102, and the robot 102 can grasp the rotor conveniently.

A pair of clamping jaws 201 are respectively arranged at two ends of the transfer frame;

the two pairs of clamping jaws 201 are driven by corresponding clamping jaw driving mechanisms to close the peripheral sides of the clamping rotors; the clamping jaw close to the rotor feeding mechanism is driven to open and close by a mechanical structure inclined plane mode, the clamping jaw close to the positioning clamping mechanism is driven by an air cylinder, and the air cylinder drives the mounting plate where the clamping jaw is located to drive the clamping jaw to open and close.

Gaps are reserved between the outer ends of the two clamping jaws 201 of each pair, and at least one winding of the rotor and gaps on two sides of the winding can be exposed through the gaps.

When the manipulator 102 grabs the rotor, the clamping jaws close to the rotor feeding mechanism are driven by the mechanical structure to open. After the rotor breaks away from the transfer mounting base, the clamping jaws can be automatically closed, and the inner side of each clamping jaw 201 is provided with an arc-shaped clamping surface which is matched with the rotor and can just clamp the rotor. When the rotor is clamped, the transferring rotary driving cylinder drives the gear rack and then drives the transferring support plate to rotate 180 degrees, and the positioning and clamping mechanism 3 is reached.

As shown in fig. 8 and 9, the positioning and clamping mechanism 3 includes an upper top shaft 301 and a lower clamping shaft 302; the upper top shaft 301 and the lower clamping shaft 302 are driven by corresponding positioning and clamping driving mechanisms to lift and lower to clamp the upper end and the lower end of the rotor together; the lower clamping shaft 302 is driven to rotate by a corresponding positioning and clamping driving mechanism, and drives the rotor to rotate.

Specifically, the two positioning and clamping driving mechanisms comprise a lifting cylinder 303 and a clamping cylinder 304. Each clamping cylinder 304 is driven by a corresponding lifting cylinder 303 through a transmission mechanism such as a transmission rod and a mounting plate to lift; the lower clamping cylinder 304 drives the lower clamping shaft 302 to clamp, and the lower clamping shaft 302 clamps the rotor through the clamping cylinder 304. The lower clamping driving mechanism is also provided with a transfer motor, the lower clamping shaft 302 is connected by a transposition motor through a synchronous belt to drive the lower clamping shaft 302 to rotate, the upper top shaft 301 is driven to rotate along with the rotation of the lower clamping shaft 302, and therefore the rotor is driven to rotate. The lifting cylinder 303 and the clamping cylinder 304 are installed on the table body through a connecting frame. After the rotor is transferred from the transfer rack, the upper top shaft 301 and the lower clamping shaft 302 firstly push the clamping rotor up and down, and the winding mechanism 4 winds the winding. At least one winding and the gaps on both sides of the winding are exposed from the rotor.

Specifically, as shown in fig. 8, the winding mechanism 4 includes a winding die 401, a winding driving mechanism, a hollow threading shaft 402, and a hollow bobbin 403;

a rotating shaft 404 is sleeved on the periphery of the thread passing shaft 402, and a swinging block 405 is arranged at one end of the rotating shaft 404 close to the transfer mechanism 2;

the middle part of the swinging block 405 is fixedly connected with the rotating shaft 404;

a winding frame 403 is fixed at one end of the swinging block 405, and the winding frame 403 is arranged at one side of the thread passing shaft 402 in parallel;

the other end of the swing block 405 is a synchronous motion mechanism, which can balance the inertia generated when the bobbin rotates.

The winding die 401 is arranged at one end of the thread passing shaft 402 close to the transfer mechanism 2;

the winding driving mechanism comprises a main bracket 406, a secondary bracket 407, a winding linear cylinder 408, a winding first motor 409, a winding second motor 4010 and a winding third motor; the main support 406 is arranged on the table body;

the winding linear cylinder 408 is used for eliminating the clearance of the main bracket 406 caused by the screw thread pair of the screw rod; the main support 406 and the table body slide through a slide rail chute;

the rotating shaft 404 is mounted on the sub-bracket 407 and is rotatably connected with the sub-bracket 407;

a first winding motor 409 drives the rotating shaft 404 to rotate;

the second motor 4010 drives the threading shaft 402 to slide relative to the sub-bracket 407 along the longitudinal direction of the threading shaft 402, and the third motor drives the main bracket 406 to slide horizontally.

When the rotor is fixed by the upper top shaft 301 and the lower clamping shaft 302, the winding third motor drives the main bracket 406 to slide, and drives the auxiliary bracket 407, the winding second motor 4010 mounted thereon, the thread passing shaft 402 and the like to slide for adjustment. The winding second motor 4010 controls the opening and closing of the upper baffle and the lower baffle of the winding die 401 through transmission mechanisms such as a screw-nut pair and the like, so that the effect of precise wire arrangement is achieved. So that the winding die 401 can be accurately inserted into the gaps on both sides of the winding. The winding mold 401 is a conventional winding mold 401, and generally includes two plates having inclined surfaces, and the two plates have thicknesses respectively capable of being inserted into the gap and allowing the electric wire to enter the gap. Then, the first motor 409 drives the rotating shaft 404 to rotate, thereby driving the bobbin 403 to swing.

The wire is introduced through the other end of the threading shaft 402 and then exits the threading shaft 402 through the holes in the rotating shaft 404 and the swing block 405 into the spool 403. The bobbin 403 is hollow, and a plurality of reels are provided in the hollow gaps, and the wire end is clamped by the wire end clamping mechanism 6 after the electric wire is introduced into the bobbin 403 via the reels. The thread end clamping mechanism 6 adopts the existing automatic thread clamping mechanism and is a common structure on a winding machine.

The wire is wound on the hook of the rotor commutator due to the clamped wire end, the wire between the rotor and the wire end clamping mechanism is cut off, at the moment, the rotating shaft 404 is continuously rotated, the wire is continuously wound around the winding die 401, and the wire slides into the rotor gap along the inclined surface of the winding die 401 due to the inclined surface of the winding die 401 and is finally wound on the winding of the rotor. After one winding is wound, the upper top shaft 301 and the lower clamping shaft 302 drive the rotor to rotate, so that the other winding is exposed for winding, and finally, the winding of the whole rotor is finished.

When the whole rotor is wound, the wire end is clamped by the wire end clamping mechanism, and the wire is cut off by the wire cutting mechanism 5.

The transfer rack then takes the wound rotor away and is transported away by the robot 102 to the main conveyor 101. And simultaneously, the other end of the transfer frame is sent to a new rotor for winding. The reciprocating operation is continuous.

As shown in fig. 13, the thread trimmer mechanism 5 includes an automatic wire trimmer 501 and a thread trimmer driving mechanism. The automatic wire clipper 501 is an existing conventional automatic wire clipper 501.

Before the wire is cut, the first motor 409 can make the wire swing continuously so that the automatic wire cutter 501 can cut the wire.

The wire shear driving mechanism comprises a wire shear driving cylinder 502 which drives the automatic wire shear to be close to the electric wire through transmission structures such as a mounting plate.

Specifically, as shown in fig. 1, the whole device further comprises a wire supply mechanism 7;

the wire supply mechanism includes a wire supply reel 701 and a plurality of wire reels 702;

the electric wire is wound on the wire feed reel 701, and is led to the wire winding mechanism 4 through the plurality of reels 702, to be threaded from the end of the threading shaft 402.

For efficiency, a single apparatus may have multiple stations, as shown, three stations for simultaneous winding.

Implement the rotor winding displacement coiling machine that this embodiment provided, whole course of working except that the first end of a thread with the electric wire penetrates to end of a thread clamping mechanism 6 and presss from both sides tightly for manual, all the other full automatic processing that are, for current coiling machine, manual process is few, only once, whole winding process has improved production efficiency.

The present invention is not intended to be limited to the particular embodiments shown and described, but is to be accorded the widest scope consistent with the principles and novel features herein disclosed.

Claims

1. A rotor wire arranging and winding machine is characterized by comprising a rotor feeding mechanism, a transferring mechanism, a positioning and clamping mechanism, a winding mechanism, a wire shearing mechanism and a wire end clamping mechanism;

the positioning and clamping mechanism can rotate the rotor along the circumferential direction of the rotor and perform positioning and clamping along the axial direction of the rotor;

the wire head clamping mechanism is used for clamping the wire head of the electric wire;

the winding mechanism is used for winding the electric wire on the rotor;

the wire cutting mechanism is used for cutting off the electric wire between the wound rotor and the wire head clamping structure.

2. The rotor flat cable winding machine according to claim 1, wherein the rotor feeding mechanism includes a main conveyor belt, a robot driving mechanism, a first clamping member, a second clamping member, and a clamping cylinder;

the main conveyor belt conveys the rotor between the first clamp and the second clamp;

the first clamping piece and the second clamping piece are respectively arranged on two sides of the main conveyor belt, and the clamping cylinder drives the first clamping piece to move and is matched with the second clamping piece to clamp the peripheral side of the rotor;

the manipulator is arranged above the first clamping piece, the manipulator driving mechanism drives the manipulator to lift and translate, and the manipulator can clamp the rotor to the transfer mechanism.

3. The rotor flat cable winding machine according to claim 2, wherein the rotor feeding mechanism further includes at least one auxiliary conveyor belt arranged in parallel with the main conveyor belt, and a material transferring structure is provided between the auxiliary conveyor belt and the main conveyor belt, and transfers the rotor from the auxiliary conveyor belt to the main conveyor belt.

4. The rotor flat cable winding machine according to claim 2, wherein the transfer mechanism includes a transfer rotating cylinder, a transfer lifting cylinder, and a transfer frame, the transfer frame is connected to an output end of the transfer rotating cylinder, and the transfer rotating cylinder drives the transfer frame to rotate; the transfer frame is arranged below the manipulator; the transfer rotary cylinder is arranged below the transfer frame; the transfer lifting cylinder drives the transfer frame to lift;

clamping jaw sets are respectively arranged at two ends of the transfer frame;

the transfer frame is also provided with a clamping jaw driving mechanism for driving the clamping jaw group to open and close, and the clamping jaw driving mechanism is in transmission connection with the clamping jaw group;

the clamping jaw group comprises a pair of clamping jaws, a gap is reserved between the outer ends of the clamping jaws, and the gap can expose at least one winding of the rotor and gaps on two sides of the winding.

5. The rotor flat cable winder according to claim 4, wherein the winding mechanism is disposed on a side of the transfer mechanism away from the main conveyor belt; the winding mechanism comprises a winding die, a winding driving mechanism, a hollow threading shaft and a hollow winding frame;

the winding frame is arranged on one side of the threading shaft in parallel;

the winding mold is arranged at one end of the thread passing shaft close to the transfer mechanism;

the output end of the winding driving structure is connected with the threading shaft and is used for driving the threading shaft to move in a reciprocating manner; the winding die is arranged towards the clamping jaw; the thread passing shaft is used for driving the winding mold to extend into or withdraw from gaps at two sides of the winding;

the winding driving structure is also used for driving the winding frame to rotate around the thread passing shaft.

6. The rotor flat cable winder according to claim 5, wherein a rotating shaft is sleeved on the periphery of the thread passing shaft, and an oscillating block is arranged at one end of the rotating shaft, which is close to the transfer mechanism;

the middle part of the swinging block is fixedly connected with the rotating shaft;

one end of the swinging block is fixed on the winding frame, the other end of the swinging block is connected with the synchronous motion mechanism, and the synchronous motion mechanism can balance inertia generated when the winding frame rotates.

7. The rotor cord winder according to claim 6, wherein the rotor cord winder comprises a stage;

the winding driving mechanism comprises a main bracket, an auxiliary bracket, a winding linear cylinder, a winding first motor, a winding second motor and a winding third motor; the main bracket and the wire winding linear cylinder are arranged on the table body;

the winding third motor is connected with a main support, and the main support is connected with the table body in a sliding manner;

the rotating shaft is arranged on the auxiliary bracket and is rotationally connected with the auxiliary bracket;

the winding first motor is arranged on the main bracket in a driving way; the output end of the first winding motor is connected with the rotating shaft and drives the rotating shaft to rotate;

the second winding motor drives the threading shaft to slide along the length direction of the threading shaft relative to the auxiliary bracket.

8. The rotor flat cable winding machine according to claim 1, wherein the positioning and clamping mechanism includes an upper top shaft, a lower clamping shaft and two sets of positioning and clamping driving structures; the two groups of positioning and clamping mechanisms are respectively in transmission connection with the upper jacking shaft and the lower clamping shaft;

the two groups of positioning and clamping driving mechanisms can respectively drive the upper jacking shaft and the lower clamping shaft to lift and clamp the upper end and the lower end of the rotor together; the lower positioning clamping driving mechanism can also drive the lower clamping shaft to rotate so as to drive the rotor to rotate.

9. The rotor cord winder of claim 1, wherein the cord cutting mechanism comprises an automatic cord cutter and a cord cutter driving mechanism for driving the automatic cord cutter to approach the cord; the automatic wire scissors are arranged between the winding mechanism and the transfer mechanism;

the wire shear driving mechanism is in transmission connection with the automatic wire shear.

10. The rotor cord winder according to claim 1, further comprising a cord supply mechanism;

the wire supply mechanism comprises a wire supply wheel and a plurality of wire reels; the wire supply wheel and the wire winding wheel are arranged at the wire inlet end of the wire winding mechanism;

the electric wire is wound on the wire supply reel and is led into the wire winding mechanism through the plurality of reels.