CN221042611U

CN221042611U - Interphase insulation winding device for stator end winding

Info

Publication number: CN221042611U
Application number: CN202322850956.8U
Authority: CN
Inventors: 林启发; 张帮伟; 谢坤; 贾坤
Original assignee: Jiangsu Nide Automation Tech Co ltd
Current assignee: Jiangsu Nide Automation Tech Co ltd
Priority date: 2023-10-24
Filing date: 2023-10-24
Publication date: 2024-05-28
Anticipated expiration: 2033-10-24

Abstract

The utility model provides an interphase insulation winding device for a stator end winding, which comprises a robot, a bottom frame and a rotary table, wherein a clamping tool is arranged at the output end of the robot, the rotary table is rotationally connected with the bottom frame, a first station, a second station and a third station which are arranged along the rotation direction are arranged on the rotary table, the first station is used for feeding and discharging a stator, the second station is used for winding an insulating tape at one end of the stator, and the third station is used for winding an insulating tape at the other end of the stator; each station is provided with a positioning tool, each positioning tool comprises a supporting mechanism and a positioning mechanism, the supporting mechanisms are used for supporting the stator and limiting the axial displacement of the stator, and the positioning mechanisms are used for limiting the circumferential rotation of the stator. The utility model solves the problem of inconvenience of the stator wrapping adhesive tape, avoids the trouble of the back and forth transportation of a larger stator to the production, reduces the labor intensity and improves the processing efficiency and the processing quality.

Description

Interphase insulation winding device for stator end winding

Technical Field

The utility model relates to the technical field of stator manufacturing, in particular to a stator end winding interphase insulation winding device.

Background

The stator is a stationary part of the motor or the generator, and mainly comprises a stator core and coils wound on the stator core. In the stator processing production line, the stator needs to be subjected to the procedures of paper insertion, winding, wire embedding, shaping, wire binding and the like. Wherein, the stator of three-phase motor needs artifical supplementary insulating tape of wrapping in the rule in-process. The stator winding coil is generally embedded for three times, each time, one interphase coil is embedded, and each phase is wrapped with an insulating tape once after being embedded, so that interphase insulation is ensured. At present, insulating tapes are wound on a workbench by manually taking materials on a coil inserting machine, a large stator is heavy, manual back and forth operation is troublesome, labor intensity is high, feeding and discharging positioning is complex, and efficiency is low. Therefore, in order to realize convenient winding of the insulating adhesive tape in the stator coil inserting process, a stator end winding interphase insulating winding device is designed.

Disclosure of utility model

The utility model aims to provide an interphase insulation winding device for a stator end winding, which overcomes the defects in the prior art.

In order to solve the technical problems, the technical scheme of the utility model is as follows: the interphase insulation winding device for the stator end winding comprises a robot, a bottom frame and a rotary table, wherein the robot is arranged on one side of the bottom frame, a clamping tool for clamping a stator is arranged at the output end of the robot, the rotary table is arranged above the bottom frame and is rotationally connected with the bottom frame, three stations are arranged on the rotary table, the three stations are respectively a first station, a second station and a third station which are arranged along the rotation direction, the first station is close to the robot and is used for feeding and discharging the stator, the second station is used for winding an insulating tape at one end of the stator, and the third station is used for winding an insulating tape at the other end of the stator; and each station is provided with a stator positioning tool, each positioning tool comprises a supporting mechanism and a positioning mechanism, the supporting mechanism is used for supporting the stator and limiting the axial displacement of the stator, and the positioning mechanism is used for limiting the circumferential rotation of the stator on the supporting mechanism.

Further, the interphase insulation winding device for the stator end winding is characterized in that a first detection sensor group is arranged on the underframe, the first detection sensor group is arranged on the outer side of the first station and comprises three detection sensors which are arranged from top to bottom, and the three detection sensors are respectively used for detecting the three-phase coil inserting state of the stator on the first station.

Further, the interphase insulation winding device for the stator end winding is characterized in that a second detection sensor group is further arranged on the underframe, and the second detection sensor group comprises two detection sensors which are respectively used for detecting whether a stator on the first station is in place or not and whether the stator on the first station is positioned accurately or not.

Further, according to the interphase insulation winding device for the stator end winding, the button boxes are arranged on two sides of the second station and the third station respectively, the button boxes are used for confirming winding completion states, and when the button boxes on two sides of the second station and the third station are started respectively, the rotary table rotates by an angle.

Further, according to the interphase insulation winding device for the stator end winding, the rotary table is driven by the motor and the reduction gearbox which are arranged in the underframe, the origin inductor is arranged at the tail end of the output shaft of the motor, and the rotary table controls each rotation angle through the origin inductor.

Further, the interphase insulation winding device for the stator end winding comprises a fixed guide rail, a fixed support seat and a movable support seat, wherein the fixed guide rail is fixed on the rotary table, one end of the fixed guide rail is provided with the fixed support seat, the other end of the fixed guide rail is provided with a plurality of movable support seats, the upper ends of the fixed support seat and the movable support seat are respectively provided with a V-shaped opening, and a plurality of balls are arranged on the inner side face of the opening.

Further, in the interphase insulation winding device for the stator end winding, the outer end surfaces of the fixed supporting seat and the movable supporting seat farthest from the fixed supporting seat are provided with limiting plates, and the limiting plates are inserted into grooves at the end parts of the stator to limit the axial displacement of the stator; the movable supporting seat is movably connected with the fixed guide rail and is fixedly connected with the fixed guide rail through an adjusting handle arranged on one side of the movable supporting seat.

Further, the positioning mechanism comprises a fixed block, a positioning block, a lifting rod and a limiting shaft, wherein the fixed block is arranged on the inner side of the fixed supporting seat, a first sliding groove is formed in the top surface of the fixed block, a second sliding groove is formed in the side surface of the fixed block, the first sliding groove and the second sliding groove are vertically arranged, a handle is arranged at one end of the lifting rod, a Z-shaped lifting groove is formed in the other end of the lifting rod, the upper end of the positioning block is matched with the stator groove of the stator to limit circumferential rotation of the stator, the lifting rod is inserted into the first sliding groove and is in sliding connection with the first sliding groove, the lower end of the positioning block is provided with the limiting groove, the lifting rod is inserted into the second sliding groove and is in sliding connection with the second sliding groove, one end of the lifting rod, which is provided with the lifting groove, penetrates through the second sliding groove and is inserted into the limiting groove, and the limiting shaft penetrating through the limiting groove and the lifting groove is formed in the lower end of the positioning block; and a third detection sensor for detecting the lifting rod state of the first station is further arranged on the underframe.

Further, the interphase insulation winding device for the stator end winding comprises a mounting seat, one end of the mounting seat is connected with the output end of the robot, two clamping jaws in V-shaped arrangement are arranged at the other end of the mounting seat, and the two clamping jaws are respectively used for feeding and taking materials.

Compared with the prior art, the utility model has the beneficial effects that: the problem of the inconvenience of coil inserting in-process stator winding sticky tape is solved, circulation that can make a round trip is at three-phase motor coil inserting in-process, has effectively avoided great stator to make a round trip to transfer the trouble that brings to production, very big alleviate workman intensity of labour. Meanwhile, the process of winding the adhesive tape is split, so that the winding efficiency is improved, the high-speed operation of the production line is ensured, and the processing efficiency and the processing quality are effectively improved.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present utility model, and other drawings may be obtained according to the drawings without inventive effort to those skilled in the art.

FIG. 1 is a schematic view of a stator end winding interphase insulation winding apparatus according to the present utility model;

FIG. 2 is a schematic diagram of a robot and a clamping tool of the interphase insulation winding device for the stator end winding;

FIG. 3 is a schematic view of a rotary table of the stator end winding interphase insulation winding device of the present utility model;

FIG. 4 is a schematic view of the internal structure of the chassis of the stator end winding interphase insulation winding device of the present utility model;

FIG. 5 is a schematic structural view of a positioning fixture of the stator end winding interphase insulation winding device of the present utility model;

FIG. 6 is a schematic structural view of a positioning mechanism of the stator end winding interphase insulation winding device of the present utility model;

In the figure: 1. a robot; 2. a chassis 3, a rotary table; 31. a motor; 32. a reduction gearbox; 33. an origin sensor; 4. clamping a tool; 41. a mounting base; 42. a clamping jaw; 5. a support mechanism; 51. a fixed guide rail; 52. fixing the supporting seat; 53. moving the supporting seat; 54. a ball; 55. a limiting plate; 56. an adjusting handle; 6. a positioning mechanism; 61. a fixed block; 611. a first chute; 612. a second chute; 62. a positioning block; 621. a limit groove; 63. a lifting rod; 631. a handle; 632. a lifting groove; 64. a limiting shaft; 65. a third detection sensor; 7. a first detection sensor group; 8. a second sensor group; 9. a button box;

101. A first station; 102. a second station; 103. and a third station.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1

As shown in fig. 1-6, the interphase insulation winding device for the stator end winding comprises a robot 1, a bottom frame 2 and a rotary table 3, wherein the robot 1 is arranged on one side of the bottom frame 2, a clamping tool 4 for clamping a stator is arranged at the output end of the robot, the rotary table 3 is arranged above the bottom frame 2 and is in rotary connection with the bottom frame 2, three stations which are respectively a first station 101, a second station 102 and a third station 102 arranged along the rotary direction are arranged on the rotary table 3, the first station 101 is close to the robot 1 and is used for loading and unloading of the stator, the second station 102 is used for winding an insulating tape at one end of the stator, and the third station 103 is used for winding an insulating tape at the other end of the stator; and every all be equipped with the location frock of a stator on the station, location frock includes supporting mechanism 5, positioning mechanism 6, supporting mechanism 5 is used for supporting the stator to restrict the axial displacement of stator, positioning mechanism 6 is used for restricting the circumferential rotation of stator on supporting mechanism 5. One of the three stations is used for feeding and discharging, the other two stations are used for winding the adhesive tape, the procedure of winding the adhesive tape is divided into two, time is saved, the winding efficiency is further improved through the cyclic operation of the three stations, the high-speed operation of the production line is ensured, and the processing efficiency and the processing quality are effectively improved; on the other hand, the stator is clamped by the robot 1, and is supported and positioned by the positioning tool, so that the positioning difficulty during coil inserting is reduced, the trouble to production caused by the back and forth transportation of a larger stator is avoided, and the labor intensity of workers is greatly reduced.

In the above structure, as shown in fig. 1-2, the clamping tool 4 includes a mounting seat 41, one end of the mounting seat 41 is connected with the output end of the robot 1, and the other end is provided with two clamping jaws 42 arranged in a V-shape, and the two clamping jaws 42 are respectively used for feeding and taking materials. When the first station 101 is used for feeding and discharging, the mounting seat 41 is rotated, and the two clamping jaws 42 alternately feed and discharge, so that the structure is simple, and the feeding and discharging efficiency can be improved.

As shown in fig. 1 and 3, the chassis 2 is provided with a first detection sensor group 7, where the first detection sensor group 7 is disposed at the outer side of the first station 101, and includes three detection sensors disposed from top to bottom, where the three detection sensors are respectively used to detect the three-phase coil inserting state of the stator on the first station. When the wire embedding is finished, the robot clamps the wire to be placed on the second-phase wire embedding die, so that the degree of automation is high, and the production efficiency is improved. In addition, the underframe 2 is further provided with a second detection sensor group 8, and the second detection sensor group 8 comprises two detection sensors which are respectively used for detecting whether the stator on the first station 101 is in place or not and whether the stator on the first station 101 is positioned accurately or not, so that the subsequent positioning to the position of the coil inserting die is facilitated. The first detection sensor group 7 and the second detection sensor group 8 do not rotate along with the rotary table, are connected with the underframe 2 in an adjusting way through the connecting rod and the clamping seat, and can adjust the installation height, the angle and the like, so that the detection of stators with different sizes is applicable.

In addition, as shown in fig. 1 and 3, two sides of the second station 102 and the third station 103 are respectively provided with a button box 9, the button boxes 9 are used for confirming the winding completion state, when the button boxes 9 on two sides of the second station 102 and the third station 103 are both started, the rotary table 3 rotates by an angle, in this embodiment, the rotation angle is 120 °, and the two buttons 9 are both started, which means that the winding of the two stations is completed, so that the equipment intermittently and continuously runs; in addition, each station is provided with two buttons, so that manual false touch is avoided, and safety is improved.

Example 2

Based on the structure of the embodiment 1, as shown in fig. 3-4, the rotary table 3 is driven by a motor 31 and a reduction gearbox 32 which are arranged in the chassis 2, an origin sensor 33 is arranged at the tail end of an output shaft of the motor 31, and the rotary table 3 controls each rotation angle by the origin sensor 33. The origin sensor 33 finds the origin of the motor 31, and the control system program controls the rotation to rotate 120 degrees each time, so that the control is accurate and the position of the docking robot 1 is convenient.

As shown in fig. 3, 5 and 6, the supporting mechanism 5 includes a fixed guide rail 51, a fixed supporting seat 52 and a movable supporting seat 53, the fixed guide rail 51 is fixed on the rotary table 3, one end of the fixed guide rail 51 is provided with the fixed supporting seat 52, the other end is provided with a plurality of movable supporting seats 53, the upper ends of the fixed supporting seat 52 and the movable supporting seat 53 are respectively provided with a V-shaped opening, and the inner side surface of the opening is provided with a plurality of balls 54. The outer end surfaces of the fixed supporting seat 52 and the movable supporting seat 53 farthest from the fixed supporting seat 52 are provided with limiting plates 55, and the limiting plates 55 are inserted into grooves at the end parts of the stators to limit the axial displacement of the stators; the movable supporting seat 53 is movably connected with the fixed guide rail 51, and is fixedly connected with the fixed guide rail 51 through an adjusting handle 56 arranged on one side of the movable supporting seat 53. The stator is placed in the opening, the balls 54 support the stator, the stator can be convenient to roll, the labor intensity of workers is reduced, in addition, the number of the movable supporting seats 53 is set according to the length of the stator, the supporting intensity of the stator is guaranteed, as shown in fig. 5, two movable supporting seats 53 are arranged, and when the stator is shorter, 1 movable supporting seat 53 can be arranged; the position of the sliding movement supporting seat 53 on the fixed guide rail 51 is then used for fixing the movement supporting seat 53 through the adjusting handle 56, so that the adjusting is convenient, the winding of stators with different lengths can be adapted, and the application range is wide.

In addition, as shown in fig. 3, 5 and 6, the positioning mechanism 6 includes a fixed block 61, a positioning block 62, a lifting rod 63 and a limiting shaft 64, the fixed block 61 is disposed inside the fixed support seat 52, a first sliding groove 611 is disposed on the top surface of the fixed block 61, a second sliding groove 612 is disposed on the side surface of the fixed block 61, the first sliding groove 611 is disposed perpendicular to the second sliding groove 612, a handle 631 is disposed at one end of the lifting rod 63, a Z-shaped lifting groove 632 is disposed at the other end of the lifting rod, the upper end of the positioning block 62 cooperates with a stator groove of the stator to limit circumferential rotation of the stator, and is inserted into the first sliding groove 611 and slidingly connected with the first sliding groove 611, a limiting groove 621 is disposed at the lower end of the positioning block 62, the lifting rod 63 is inserted into the second sliding groove 612 and slidingly connected with the second sliding groove 612, one end of the lifting rod 63 with the lifting groove 632 is inserted into the limiting groove 621 through the second sliding groove 612, and a limiting shaft 64 passing through the limiting groove 621 and the lifting groove 632 is disposed at the lower end of the positioning block 62; the chassis 1 is further provided with a third detection sensor 65 for detecting the state of the lifting lever 63 of the first station 101. The lifting rod 63 is pulled outwards, the limiting shaft 64 slides in the lifting groove 632, the positioning block 62 is driven to lift upwards and insert into the stator groove to limit the circumferential rotation of the stator, namely the stator cannot rotate, and meanwhile, the third detection sensor 65 is triggered, so that the robot 1 can conveniently clamp the stator; similarly, the lifting rod 63 is pushed inwards, the limiting shaft 64 drives the positioning block 62 to move downwards, the positioning block 62 is separated from the stator groove, and the stator can rotate on the ball 54, so that the stator is convenient to wind the insulating adhesive tape. The positioning mechanism 6 is simple in structure and convenient to operate.

The working method of the interphase insulation winding device for the stator end winding comprises the following steps:

S1, clamping a stator of which one coil is inserted on a coil inserting machine by a robot 1, clamping the stator of which one coil is wound on a first station 101 by an empty clamping jaw 42, placing the clamped coil inserting stator on a positioning tool of the first station 101 by another clamping jaw 42, inserting the upper end of a positioning block 62 of a positioning mechanism 6 into a stator groove to position the stator, and returning the robot 1 to the position of the coil inserting machine to continuously clamp the stator;

S2, simultaneously, lifting rods 63 of a second station 102 and a third station 103 are pushed inwards, a positioning block 62 is withdrawn from a stator groove, a stator can rotate on a supporting mechanism 5, the second station 102 starts to wind an insulating tape at one end, and the third station 103 starts to wind an insulating tape at the other end;

S3, after the second station 102 finishes winding, the lifting rod 63 is pulled out to position the stator, the stator cannot rotate, and the two button boxes 9 of the second station 102 are pressed down; after the third station 103 finishes winding, the lifting rod 63 is pulled out to position the stator, and the two button boxes 9 of the third station 103 are pressed down; when both the button boxes 9 of the second station 102 and the third station 103 are started, the rotary table 3 rotates by 120 degrees;

s4, detecting a stator interphase coil inserting state of the wound stator on the first station 101 by the first detection sensor group 7, detecting that the stator of the first station 101 is in place and accurately positioned by the second detection sensor group 8, clamping the stator by the idle clamping jaw 42 on the robot 1, inserting the stator into a coil inserting mould of a corresponding phase according to the detection result of the first detection sensor group 7, namely, detecting that primary coil inserting is finished, placing the stator into a secondary coil inserting mould, detecting that secondary coil inserting is finished, placing the stator into a tertiary coil inserting mould, completing tertiary coil inserting, placing the stator into next process equipment of a next production line, automatically identifying, reducing manual operation errors, placing the stator to be wound into the first station 10 by the other clamping jaw 42, and returning the robot 1 to the position of a coil inserting machine to continuously clamp the stator;

s5, circulating according to the steps S2-S4, and finishing winding of the three interphase insulating tapes of the stator.

The insulation tape is wound after three coil inserting processes are completed through the combination of the rotary table 3 and the robot 1, the whole implementation process is convenient to operate, troubles brought to production by the back and forth transportation of the large stator are effectively avoided, the labor intensity of workers is greatly reduced, and the production efficiency and the production quality of the stator are improved.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims

1. An interphase insulation winding device for a stator end winding is characterized in that: the automatic feeding device comprises a robot, a bottom frame and a rotary table, wherein the robot is arranged on one side of the bottom frame, a clamping tool for clamping a stator is arranged at the output end of the robot, the rotary table is arranged above the bottom frame and is in rotary connection with the bottom frame, three stations are arranged on the rotary table and are respectively a first station, a second station and a third station which are arranged along the rotation direction, the first station is close to the robot and is used for feeding and discharging the stator, the second station is used for winding an insulating tape at one end of the stator, and the third station is used for winding an insulating tape at the other end of the stator; and each station is provided with a stator positioning tool, each positioning tool comprises a supporting mechanism and a positioning mechanism, the supporting mechanism is used for supporting the stator and limiting the axial displacement of the stator, and the positioning mechanism is used for limiting the circumferential rotation of the stator on the supporting mechanism.

2. The stator end winding interphase insulating winding apparatus according to claim 1, characterized in that: the chassis is provided with a first detection sensor group, the first detection sensor group is arranged on the outer side of the first station and comprises three detection sensors which are arranged from top to bottom, and the three detection sensors are respectively used for detecting the three-phase coil inserting state of the stator on the first station.

3. The stator end winding interphase insulating winding apparatus according to claim 1, characterized in that: the chassis is also provided with a second detection sensor group, and the second detection sensor group comprises two detection sensors which are respectively used for detecting whether the stator on the first station is in place or not and whether the stator on the first station is positioned accurately or not.

4. The stator end winding interphase insulating winding apparatus according to claim 1, characterized in that: the button boxes are used for confirming winding completion states, and when the button boxes on the two sides of the second station and the third station are started, the rotary table rotates by an angle.

5. The stator end winding interphase insulating winding apparatus according to claim 1, characterized in that: the rotary table is driven by a motor and a reduction gearbox which are arranged in the underframe, an origin sensor is arranged at the tail end of an output shaft of the motor, and the rotary table controls each rotation angle through the origin sensor.

6. The stator end winding interphase insulating winding apparatus according to claim 1, characterized in that: the supporting mechanism comprises a fixed guide rail, a fixed supporting seat and a movable supporting seat, wherein the fixed guide rail is fixed on the rotary table, one end of the fixed guide rail is provided with the fixed supporting seat, the other end of the fixed guide rail is provided with a plurality of movable supporting seats, the upper ends of the fixed supporting seat and the movable supporting seat are respectively provided with a V-shaped opening, and the inner side face of the opening is provided with a plurality of balls.

7. The stator end winding interphase insulating winding apparatus as claimed in claim 6, wherein: the outer end surfaces of the fixed supporting seat and the movable supporting seat farthest from the fixed supporting seat are provided with limiting plates, and the limiting plates are inserted into grooves at the end parts of the stators to limit the axial displacement of the stators; the movable supporting seat is movably connected with the fixed guide rail and is fixedly connected with the fixed guide rail through an adjusting handle arranged on one side of the movable supporting seat.

8. The stator end winding interphase insulating winding apparatus as claimed in claim 7, wherein: the positioning mechanism comprises a fixed block, a positioning block, a lifting rod and a limiting shaft, wherein the fixed block is arranged on the inner side of a fixed supporting seat, a first chute is formed in the top surface of the fixed block, a second chute is formed in the side surface of the fixed block, the first chute and the second chute are vertically arranged, a handle is arranged at one end of the lifting rod, a Z-shaped lifting groove is formed in the other end of the lifting rod, the upper end of the positioning block is matched with a stator groove of a stator to limit circumferential rotation of the stator, the positioning block is inserted into the first chute and is in sliding connection with the first chute, the lower end of the positioning block is provided with the limiting groove, the lifting rod is inserted into the second chute and is in sliding connection with the second chute, one end of the lifting rod, provided with the lifting groove, penetrates through the second chute and is inserted into the limiting groove, and the lower end of the positioning block is provided with the limiting shaft penetrating through the limiting groove and the lifting groove; and a third detection sensor for detecting the lifting rod state of the first station is further arranged on the underframe.

9. The stator end winding interphase insulating winding apparatus according to claim 1, characterized in that: the clamping tool comprises a mounting seat, one end of the mounting seat is connected with the output end of the robot, two clamping jaws which are arranged in a V shape are arranged at the other end of the mounting seat, and the two clamping jaws are respectively used for feeding and taking materials.