阅读说明：本技术 湿绕组电机穿线工艺 (Threading process of wet winding motor ) 是由 杨凤君 王勇 李函霖 周锋廷 黄秀波 赵环宇 郑维 裴俊丰 王志威 张尧 刘宇晨 于 2020-06-08 设计创作，主要内容包括：本发明涉及一种湿绕组电机穿线工艺,机座铁心1放置在定子滚动架2上,将槽衬绝缘3及替线棒4放入机座铁心1各槽8内,工艺槽楔5临时填充槽口9空余位置,两台穿线机7分别安装在定子机座铁心1轴向位置两端,每台单独控制,穿线时一台放线,另一台绕线,穿线时绕组线6从穿线机7轮上一匝匝放出,且放出的线不能落地,直到将所有替线棒4全部替换。本发明保护定子绕组在穿线过程中采用替线棒占位,保证穿线后每槽8绕组线6数量及减少槽内交叉,减少单根绕组的长度,提高穿线效率,减少穿绕次数以便减少待穿绕组线和已穿绕组线间的相对摩擦次数。(The invention relates to a threading process of a wet winding motor, wherein a machine base iron core 1 is placed on a stator rolling frame 2, slot liner insulation 3 and a wire replacing bar 4 are placed in each slot 8 of the machine base iron core 1, a process slot wedge 5 temporarily fills the vacant position of a slot opening 9, two threading machines 7 are respectively installed at two ends of the axial position of the stator machine base iron core 1, each threading machine is independently controlled, one winding machine is used for paying off and the other winding machine is used for winding, winding wires 6 are wound from one turn of a wheel of the threading machine 7 during threading, and the wound wires cannot fall to the ground until all the wire replacing bars 4 are completely replaced. The invention protects the stator winding to adopt the occupation of the wire replacing bar in the threading process, ensures the number of winding wires 6 in each slot after threading and reduces the intercrossing in the slot, reduces the length of a single winding, improves the threading efficiency, and reduces the threading times so as to reduce the relative friction times between the winding wire to be threaded and the winding wire which is threaded.)

1. A threading process of a wet winding motor is characterized by comprising the following steps: the method comprises the following steps:

1) the machine base iron core (1) is placed on the stator rolling frame (2), the slot liner insulation (3) and the wire replacement bar (4) are placed in each slot (8) of the machine base iron core (1), the diameter of the wire replacement bar (4) is 0.15 mm larger than that of the winding wire (6), and the surface is smooth and straight;

2) temporarily filling the vacant part of the notch (9) with the process slot wedge (5), winding the winding wire (6) on a wheel of a threading machine (7), wherein the circumference of the wheel of the threading machine (7) is 3 meters, and the number of turns to be wound on the wheel of the threading machine (7) can be determined according to the length of a single wire;

3) the two threading machines (7) are respectively arranged at two ends of the axial position of the stator base iron core (1) and are respectively about 2.5 meters away from the base iron core (1), the two threading machines (7) are respectively and independently controlled, one threading machine is used for paying off, and the other threading machine is used for winding;

4) during threading, the winding wire (6) is paid out from a circle on a wheel of the threading machine (7), the paid-out wire cannot fall to the ground, the wire replacing bar (4) is replaced from the groove (8) according to the arrangement sequence of the winding wire (6), the winding wire (6) occupies the original position of the wire replacing bar (4), all the wire replacing bars (4) are replaced in sequence, and finally the threading of the whole winding wire (6) is completed.

The technical field is as follows:

the invention relates to a threading process of a wet winding motor.

Background art:

the wet winding motor is of a vertical structure, a motor winding is immersed in water for a long time, a traditional formed coil and a coil wound by an enameled wire cannot directly run in water, if the formed coil needs to be protected by adding a shielding sleeve in an inner hole of a stator core, the manufacturing difficulty is increased, meanwhile, the space is occupied, and an air gap between a stator and a rotor cannot be guaranteed.

The invention content is as follows:

the invention aims to provide a threading process of a wet winding motor, which can reduce the operation damage of the relative motion friction of a winding wire to the winding wire and improve the threading efficiency. The technical scheme of the invention is as follows: a threading process of a wet winding motor comprises the following steps:

1) the machine base iron core (1) is placed on the stator rolling frame (2), the slot liner insulation (3) and the wire replacing bar (4) are placed in each slot (8) (given serial numbers and marked in the drawing) of the machine base iron core (1), the diameter of the wire replacing bar (4) is 0.15 mm larger than that of the winding wire (6), and the surface is smooth and straight.

2) Temporarily filling the vacant part of the notch (9) with the process slot wedge (5), winding the winding wire (6) on a wheel of a threading machine (7), wherein the circumference of the wheel of the threading machine (7) is 3 meters, and the number of turns to be wound on the wheel of the threading machine (7) can be determined according to the length of a single wire;

3) the two threading machines (7) are respectively arranged at two ends of the axial position of the stator base iron core (1) and are respectively about 2.5 meters away from the base iron core (1), the two threading machines (7) are respectively and independently controlled, one threading machine is used for paying off, and the other threading machine is used for winding;

4) during threading, the winding wire (6) is paid out from a circle on a wheel of the threading machine (7), the paid-out wire cannot fall to the ground, the wire replacing bar (4) is replaced from the groove (8) according to the arrangement sequence of the winding wire (6), the winding wire (6) occupies the original position of the wire replacing bar (4), all the wire replacing bars (4) are replaced in sequence, and finally the threading of the whole winding wire (6) is completed.

The working principle of the invention is as follows:

winding wires (6) are wound on a wheel of a threading machine (7), the circumference of the wheel of the threading machine (7) is 3 meters, and the number of turns to be wound on the wheel of the threading machine (7) can be determined according to the length of a single wire; the machine base iron core (1) is placed on the stator rolling frame (2) so that the machine base iron core (1) is in the optimal operation position during threading; the slot liner insulator (3) and the wire replacing bar (4) are placed in each slot (8) of the machine base iron core (1), the diameter of the wire replacing bar (4) is 0.15 mm larger than that of the winding wire (6), the surface of the wire replacing bar (4) is smooth, flat and wear-resistant, the process slot wedge (5) temporarily fills the vacant position of the notch (9) and is used for limiting the serial position of the wire replacing bar (4) in the slot (8), two threading machines (7) are independently controlled and are respectively installed at two ends of the axial position of the stator machine base iron core (1), each distance is about 2.5 meters from the machine base iron core (1), one wire is paid off and the other wire is wound, the winding wire (6) is paid off from one turn of the wheel of the threading machine (7), the paid off wire cannot fall to the ground, the wire is replaced from the slot (8) according to the arrangement sequence of the winding wire (6), the wire replacing bar (4) of the winding wire (6) occupies the original position of the wire replacing bar (4) in, finally, the whole winding wire (6) is threaded and wound.

The specific working process of the invention can refer to the following examples: the stator rolling frame and two threading machines are placed in a closed room, the closed room ensures necessary temperature and humidity of a coil to be inserted and a clean environment, the two threading machines are independently controlled and respectively installed at two ends of the axial threading position of a stator core, each threading machine is about 2.5 meters away from a machine base core, one threading machine is used for paying off and the other is used for winding, the machine base core is hung on the stator rolling frame, the height of the stator rolling frame is adjusted to ensure that the machine base core and the threading machines keep the optimal operation position, slot liner insulation and replacement bar are placed in each slot of the machine base core according to the quantity required by a drawing, a process slot wedge is temporarily filled in the vacant position of a slot opening for limiting the serial position of the replacement bar in the slot, each phase of winding line is wound on a threading machine wheel, a sponge water bag can be used for winding line moving during threading to reduce the operation damage of the winding line to a lead due to relative motion friction, the threading is started, and the winding line is discharged from, and the released wire can not fall to the ground, the replacement bar is replaced from the slot according to the arrangement sequence of the winding wire, the winding wire occupies the original position of the replacement bar, all the replacement bars are sequentially replaced, the penetrating and winding of the whole winding wire are finally completed, the winding wire of each phase is sequentially penetrated, and finally the end part is shaped and bound and fixed.

The invention has the technical effects that:

the invention aims to reduce the threading frequency and reduce the relative friction frequency between the winding wire to be threaded and the threaded winding wire, and increases the joint to reduce the length of the winding wire, so that the threaded winding not only reduces the operation damage of the winding wire caused by the relative motion friction of the winding wire, but also improves the threading efficiency. The invention can realize the threading process of the wet winding motor, utilizes two threading machines to improve the threading efficiency and the threading quality and reduce the operation area and the number of operators, places the wire replacing bar in the stator core slot before threading, replaces the wire replacing bar according to the rule, effectively prevents the end part from generating the conditions of crossing, difficult arrangement and no forming of the specified trumpet-shaped shape, shapes and binds and fixes the end part by a shaping tool after the threading is finished, the end part is arranged neatly without crossing, the number of the arranged layers is the minimum in the frame of the trumpet-shaped size and the end part length, and enough assembly space is reserved.

Drawings

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

Fig. 2 is a schematic view of a stator core slot with a replacement bar and a process slot wedge of the present invention.

Fig. 3 is a schematic view of a single core slot.

Fig. 4 is a schematic view of the present invention after threading the housing core.

Detailed Description

A threading process of a wet winding motor comprises the following steps:

1) as shown in fig. 1, a machine base iron core 1 is placed on a stator rolling frame 2, slot liner insulation 3 and a wire replacement bar 4 are placed in each slot 8 of the machine base iron core 1, the diameter of the wire replacement bar 4 is 0.15 mm larger than that of a winding wire 6, and the surface is smooth and straight;

2) temporarily filling the vacant part of the notch 9 with the process slot wedge 5, winding the winding wire 6 on 7 wheels of the threading machine, wherein the circumference of the 7 wheels of the threading machine is 3 meters, and the number of turns to be wound on the 7 wheels of the threading machine can be determined according to the length of a single wire;

3) the two threading machines 7 are respectively arranged at two ends of the axial position of the stator base iron core 1 and are respectively about 2.5 meters away from the base iron core 1, the two threading machines 7 are respectively and independently controlled, one threading machine is used for paying off, and the other threading machine is used for winding;

4) during threading, the winding wire 6 is wound out from a wheel of the threading machine 7 by one turn, the wound wire cannot fall to the ground, the replacement bar 4 is replaced from the groove 8 shown in fig. 3 according to the arrangement sequence of the winding wire 6, the winding wire 6 occupies the original position of the replacement bar 4, all the replacement bars 4 are sequentially replaced, and finally the winding of the whole winding wire 6 is finished.

As shown in fig. 1, a machine base iron core 1 is placed on a stator rolling frame 2 and is in an optimal operation position during threading, two threading machines 7 are respectively installed at two ends of the axial position of the stator iron core and are respectively about 2.5 meters away from the machine base iron core 1, the two threading machines 7 are respectively and independently controlled, one is used for paying off and the other is used for winding during threading; during threading, the winding wire 6 is wound out from a wheel of the threading machine 7 by one turn, the wound wire cannot fall to the ground, the wire replacing bar 4 is replaced from the groove 8 according to the arrangement sequence of the winding wire 6 as shown in fig. 4, the winding wire 6 occupies the original position of the wire replacing bar 4, all the wire replacing bars 4 are replaced in sequence, and finally the winding of the whole winding wire 6 is finished.

As shown in figure 2, the slot liner insulation 3 and the replacement bar 4 are placed in each slot 8 of the machine base iron core 1, the surface of the replacement bar 4 is smooth, flat and wear-resistant, the replacement bars 4 with the same number are placed according to the number of winding wires 6 in each slot before threading, and the process slot wedges 5 are temporarily filled in the vacant positions of the slot openings 9.