阅读说明：本技术 齿轭分体式的内转子定子的入线方法 (Tooth yoke split type inner rotor stator incoming line method ) 是由 张玉伟 于 2021-06-23 设计创作，主要内容包括：本发明涉及一种齿轭分体式的内转子定子的入线方法,其包括以下步骤：S1将内转子定子的定子齿块装配至绝缘骨架的定子齿块槽内,完成定子齿块与绝缘骨架的组装；S2将步骤S1组装完成的绝缘骨架装载在绕线机上；S3在绕线机上设置绕线路径,开始绕制定子线圈,绕线时,金属线从设置在绝缘骨架上的绕线槽的外侧壁上的槽口进入绕线槽,定子线圈按照设定的绕线路径绕线完成后,将绝缘骨架从绕线机上取下；S4将定子轭部固定在组装工装上,将绝缘骨架上装配的定子齿块外侧的插块与定子轭部对应的插槽对准,组装工装将绝缘骨架压入定子轭部的中心孔中,完成齿轭分体式的内转子定子的组装。本发明能提高定子绕线效率,降低人工消耗,降低生产成本。(The invention relates to a method for entering a wire into an inner rotor stator with a split tooth yoke, which comprises the following steps: s1, assembling the stator tooth block of the inner rotor stator into the stator tooth block groove of the insulation framework to complete the assembly of the stator tooth block and the insulation framework; s2, loading the insulating framework assembled in the step S1 on a winding machine; s3, a winding path is arranged on the winding machine, a stator coil is wound, when the winding is carried out, a metal wire enters the winding groove from a notch on the outer side wall of the winding groove arranged on the insulating framework, and the insulating framework is taken down from the winding machine after the winding of the stator coil is finished according to the set winding path; s4, the stator yoke is fixed on an assembly tool, an insert block on the outer side of a stator tooth block assembled on the insulating framework is aligned with a corresponding slot of the stator yoke, and the assembly tool presses the insulating framework into a central hole of the stator yoke to complete the assembly of the split-type inner rotor stator with the tooth yoke. The invention can improve the stator winding efficiency, reduce the labor consumption and reduce the production cost.)

1. A method for inserting a tooth yoke split type inner rotor stator is characterized in that: which comprises the following steps:

s1, assembling the stator tooth block of the inner rotor stator into the stator tooth block groove of the insulation framework to complete the assembly of the stator tooth block and the insulation framework;

s2, loading the insulating framework assembled in the step S1 on a winding machine;

s3, a winding path is arranged on the winding machine, a stator coil is wound, when the winding is carried out, a metal wire enters the winding groove from a notch on the outer side wall of the winding groove arranged on the insulating framework, and the insulating framework is taken down from the winding machine after the winding of the stator coil is finished according to the set winding path;

s4, the stator yoke is fixed on an assembly tool, an insert block on the outer side of a stator tooth block assembled on the insulating framework is aligned with a corresponding slot of the stator yoke, and the assembly tool presses the insulating framework into a central hole of the stator yoke to complete the assembly of the split-type inner rotor stator with the tooth yoke.

2. The method for entering the wire of the split-tooth-yoke inner rotor stator according to claim 1, wherein: step S1, the insulating frame is a vertically split insulating frame, when the stator tooth block is assembled to the insulating frame, the stator tooth block is sequentially installed in the stator tooth block groove on the upper insulating frame or the lower insulating frame, the stator tooth block groove on the other insulating frame is aligned with the stator tooth block, the upper and lower insulating frames are pressed together through the stator tooth block, after the assembly, the upper and lower end surfaces and the two side wall surfaces of the stator tooth block are wrapped by the insulating frame, the arc surface of the inner side of the stator tooth block faces the center of the insulating frame, and the insert block on the outer side of the stator tooth block protrudes outwards from the outer side wall of the insulating frame.

3. The method for entering the wire of the split-tooth-yoke inner rotor stator according to claim 1, wherein: in step S3, during winding, the sub-coil is wound around the insulating frame at a position close to the center of the insulating frame, the main coil is wound around the insulating frame at a position outside the sub-coil, during winding, the sub-coil is wound first, during winding the sub-coil, the metal wire spans 3 winding slots for winding, after winding the sub-coil, the main coil is wound, and during winding the main coil, the metal wire spans 3 winding slots for winding until winding of all the winding slots is completed.

4. The method for entering the wire of the split-tooth-yoke inner rotor stator according to claim 1, wherein: in the step S3, during winding, the coil is wound along the winding portion between the winding groove on the upper end surface and the winding groove on the upper and lower end surfaces of the insulating bobbin.

Technical Field

The invention relates to the field of mechanical automation equipment, in particular to a tooth-yoke split type inner rotor stator incoming line method.

Background

Motors are drive devices commonly used in the field of mechanical automation. The stator is one of the essential element of motor, and current stator is the whole stator that folds the integral type that forms of pressing of silicon steel sheet usually, and the coil of this kind of stator will carry out the rule through manual rule or through the rule machine, with multiunit coil embedding stator inslot, even be practical rule machine rule, still need operating personnel manual operation, still will consume a large amount of manpowers, production efficiency is lower. In addition, when inserting the wire, the coil should be higher than the stator end surface by a certain height on the upper and lower end surfaces of the stator, resulting in waste of the wire material. In addition, the existing wire embedding process is complex, and in the wire embedding process, the metal coil can be abraded and peeled, so that the reject ratio of the motor is high.

Disclosure of Invention

The invention aims to provide a wire inserting method of a split-type tooth-yoke inner rotor stator, aiming at the problems that the existing stator is embedded into a coil in a wire inserting mode, the production efficiency is low, the labor consumption is high, the metal wire consumption is high, the reject ratio is high and the like.

In order to achieve the purpose, the invention is realized by the following technical scheme: the wire entering method of the tooth yoke split type inner rotor stator is characterized in that: which comprises the following steps:

s1, assembling the stator tooth block of the inner rotor stator into the stator tooth block groove of the insulation framework to complete the assembly of the stator tooth block and the insulation framework;

s2, loading the insulating framework assembled in the step S1 on a winding machine;

s3, a winding path is arranged on the winding machine, a stator coil is wound, when the winding is carried out, a metal wire enters the winding groove from a notch on the outer side wall of the winding groove arranged on the insulating framework, and the insulating framework is taken down from the winding machine after the winding of the stator coil is finished according to the set winding path;

s4, the stator yoke is fixed on an assembly tool, an insert block on the outer side of a stator tooth block assembled on the insulating framework is aligned with a corresponding slot of the stator yoke, and the assembly tool presses the insulating framework into a central hole of the stator yoke to complete the assembly of the split-type inner rotor stator with the tooth yoke.

As a further improvement of the above-mentioned wire insertion method of the split-type inner rotor stator with tooth yoke, in step S1, the insulating framework is an upper and lower split-type insulating framework, when the stator tooth blocks are assembled to the insulating framework, the stator tooth blocks are sequentially installed in the stator tooth block slots on the upper insulating framework or the lower insulating framework, the stator tooth block slots on the other insulating framework are aligned with the stator tooth blocks, the upper and lower insulating frameworks are press-installed together through the stator tooth blocks, after the assembly is completed, the upper and lower end surfaces and the two side wall surfaces of the stator tooth blocks are wrapped by the insulating framework, the arc-shaped surface on the inner side of the stator tooth blocks faces the central part of the insulating framework, and the insertion blocks on the outer side of the stator tooth blocks protrude outwards from the outer side wall of the insulating framework. Through this kind of assembly, can avoid the contact of stator tooth piece and wire, can improve the insulating nature of stator, can prevent again that the wire from being worn and torn by the stator tooth piece and appearing falling the lacquer, ensure the quality of stator.

As a further improvement of the above-mentioned method for inserting the split-type inner rotor stator with a tooth yoke, in step S3, during winding, the sub-coil is wound on the insulating frame at a position close to the center of the insulating frame, and the main coil is wound on the insulating frame at a position outside the sub-coil. And during winding, the secondary coil is wound firstly, when the secondary coil is wound, the metal wire spans 3 winding grooves for winding, the primary coil is wound after the winding of the secondary coil is finished, and when the primary coil is wound, the metal wire spans 3 winding grooves for winding until the winding of all the winding grooves is finished. By the winding mode, the secondary coil is wound firstly, the main coil is wound after the secondary coil is wound, the main coil is wound at the outer side part of the secondary coil, the winding processes of the two groups of coils are not interfered with each other, and the winding quality of the coils can be improved.

As a further improvement of the above-mentioned method for inserting the split-type tooth-yoke inner rotor stator, in step S3, during winding, the coil is wound along the winding portion between the winding groove on the insulating bobbin and the winding grooves on the upper and lower end surfaces. Through the arrangement, the wound stator coil has no convex parts on the upper side surface and the lower side surface of the insulating framework, so that the axial volume of the stator can be reduced, and meanwhile, compared with the existing embedded stator, the wound stator coil can save the using amount of metal wires by 50 percent, and the production cost of the stator is greatly reduced.

The invention has the positive effects that: 1) compared with the wire inlet mode of the stator inner side wire embedding commonly adopted by the existing inner rotor stator, the wire inlet method of the tooth yoke split type inner rotor stator adopts the wire inlet mode at the outer side of the insulating framework to wind the coil, can automatically wind the wire on a winding machine, has low labor consumption and high coil winding speed, and can greatly improve the production efficiency of the stator; 2) the wire-entering method of the tooth yoke split type inner rotor stator can reduce the axial volume of the stator, and simultaneously can save 50 percent of the using amount of metal wires and greatly reduce the production cost of the stator compared with the existing wire-inserting stator; 3) according to the wire-inserting method of the tooth yoke split type inner rotor stator, the coil is wound on the insulating framework, compared with the traditional machine wire-inserting method, the contact between an enameled wire and a processing mold metal piece can be reduced, the insulating property of the stator can be improved, the phenomenon that paint falls due to the fact that a metal wire is abraded by the stator tooth blocks can be prevented, and the quality of the stator is guaranteed.

Drawings

Fig. 1 is a schematic structural diagram of an inner rotor stator with a split type tooth yoke supported by the method of the invention.

Fig. 2 is a schematic view of the method for assembling the stator tooth block and the insulating frame in step S1 according to the present invention.

Fig. 3 is a schematic structural diagram of the insulating bobbin after the assembly in step S1 of the present invention, in which 1-16 are winding slots, and the arrow direction is the direction of the metal wire entering the winding slot.

Fig. 4 is a schematic structural diagram of winding the sub-coil on the insulating bobbin in step S3 of the present invention.

Fig. 5 is a schematic structural diagram of winding the main coil on the insulating bobbin in step S3 of the present invention.

Fig. 6 is a schematic view illustrating an assembling method of the stator yoke and the insulating bobbin in step S4 according to the present invention.

Detailed Description

The technical solutions of the present invention are described clearly and completely by the following embodiments, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Fig. 1 to 6 show a method for entering a split-tooth-yoke inner rotor stator according to the present invention, which includes the following steps:

s1, as shown in the figure 1-2, assembling the stator tooth blocks of the inner rotor stator into the stator tooth block slots of the insulation framework to complete the assembly of the stator tooth blocks and the insulation framework; the insulating skeleton is upper and lower split type insulating skeleton, when stator tooth piece assembles to insulating skeleton, earlier pack the stator tooth piece into in proper order on insulating skeleton or the insulating skeleton under the stator tooth piece inslot, aim at stator tooth piece with the stator tooth piece on another insulating skeleton again, pass through stator tooth piece pressure equipment with insulating skeleton from top to bottom again together, after the assembly is accomplished, the upper and lower terminal surface and the both sides wall face of stator tooth piece are wrapped up by insulating skeleton, the arc surface of the inboard of stator tooth piece is towards the central point of insulating skeleton, the inserted block in the outside of stator tooth piece is outside protrusion from the lateral wall of insulating skeleton.

And S2, loading the insulating framework assembled in the step S1 on a winding machine.

S3, as shown in fig. 3-4, a winding path is set on the winding machine, a stator coil is started to be wound, when the winding is performed, a metal wire enters the winding slot from a notch on the outer side wall of the winding slot on the insulating framework, and after the winding of the stator coil is completed according to the set winding path, the insulating framework is taken down from the winding machine; when winding, the secondary coil is wound on the insulating framework at a position close to the center of the insulating framework, and the main coil is wound on the insulating framework at a position outside the secondary coil. And during winding, the secondary coil is wound firstly, when the secondary coil is wound, the metal wire spans 3 winding grooves for winding, the primary coil is wound after the winding of the secondary coil is finished, and when the primary coil is wound, the metal wire spans 3 winding grooves for winding until the winding of all the winding grooves is finished. When winding, the coil is wound along the winding part between the winding groove on the upper end surface and the winding groove on the lower end surface of the insulating framework. For example, as shown in fig. 4, when a stator coil with 4 poles is wound, the path of winding the sub-coil is: winding from the winding groove 3 to the winding groove 6, then winding from the winding groove 7 to the winding groove 10, winding from the winding groove 11 to the winding groove 14, and winding from the winding groove 15 to the winding groove 2; as shown in fig. 5, the path of winding the main coil is: the winding is performed from the winding groove 1 to the winding groove 4, from the winding groove 5 to the winding groove 8, from the winding groove 9 to the winding groove 12, and from the winding groove 13 to the winding groove 16.

S4, as shown in fig. 5-6, fixing the stator yoke on an assembly fixture, aligning the insert block outside the stator tooth block assembled on the insulating framework with the corresponding slot of the stator yoke, and pressing the insulating framework into the central hole of the stator yoke by the assembly fixture, thereby completing the assembly of the tooth-yoke split inner rotor stator.

Compared with the wire inlet mode of the stator inner side wire embedding commonly adopted by the existing inner rotor stator, the wire inlet method of the tooth yoke split type inner rotor stator adopts the wire inlet mode at the outer side of the insulating framework to wind the coil, can automatically wind the wire on a winding machine, has low labor consumption and high coil winding speed, and can greatly improve the production efficiency of the stator; when winding, the coil is wound along the winding part between the winding groove on the insulating framework and the winding groove on the upper and lower end surfaces, so that the axial volume of the stator can be reduced, and compared with the existing wire-embedded stator, the consumption of metal wires can be saved by 50%, and the production cost of the stator is greatly reduced; the upper and lower terminal surface and the both sides wall face of stator tooth piece can be wrapped up completely to insulating skeleton, and the coil coiling is on insulating skeleton, compares with traditional machine rule and can reduce the contact of enameled wire and mold processing metalwork, can improve the insulating nature of stator, can prevent again that the metal wire from being worn and torn by the stator tooth piece and appearing falling the lacquer, the quality of guarantee stator.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.