CN214101147U

CN214101147U - Split type pouring stator assembling structure

Info

Publication number: CN214101147U
Application number: CN202120168317.1U
Authority: CN
Inventors: 张兆宇; 刘潇; 李景天; 冯义; 褚雁鹏; 王亮
Original assignee: Dalian Zhi Ding Technology Co ltd
Current assignee: Dalian Zhi Ding Technology Co ltd
Priority date: 2021-01-21
Filing date: 2021-01-21
Publication date: 2021-08-31
Anticipated expiration: 2031-01-21

Abstract

The utility model discloses a structure is assembled to split type pouring stator, it assembles the module, a plurality of to fold the iron core that forms towards the piece including a plurality of and assemble the stator core that the module head and the tail order was pegged graft and is constituteed the cylinder, and every iron core is assembled and is installed stator winding in the module, stator winding draws forth the end and all links to each other with binding post module, stator winding, binding post periphery pouring are assembled to the iron core has the epoxy layer. The epoxy resin has large heat conductivity coefficient and good heat conduction effect, and can fill the gap between the enameled wire and the iron core so as to improve the overall mechanical strength of the stator. The whole stator is wrapped and sealed by resin, so that dust pollution in a working environment can be well avoided.

Description

Split type pouring stator assembling structure

Technical Field

The utility model relates to a permanent-magnet machine technical field, concretely relates to structure is assembled to split type pouring stator.

Background

In order to improve the insulating property, the heat conducting property and the mechanical strength of the permanent magnet motor, the traditional manufacturing process of the permanent magnet motor stator generally comprises the steps of impregnating and curing a coil after the coil is installed. However, this process has the following drawbacks: 1. the insulating varnish can not be filled up the clearance between the adjacent enameled wire and between enameled wire and the stator to insulating varnish's thermal conductivity is poor, can make the whole heat conduction effect of stator unsatisfactory, and the heat that the motor produced in the operation can not in time distribute out, if the time of operation is longer, there is the possibility of burning out in the motor. 2. After solidification, the module that enameled wire and insulator are constituteed still relatively good mechanical properties when the initial stage operation, but along with the increase of operating time, the good wholeness of enameled wire solidification can be destroyed under the impact of electromagnetism, leads to becoming flexible between the adjacent enameled wire, and serious still can cause enameled wire and iron core notch to rub repeatedly, causes the dielectric breakdown of enameled wire at last and burns out the motor.

The existing pushed integral resin casting stator has the defects of high implementation difficulty, high production difficulty, high energy consumption and certain rejection rate on a motor with a larger diameter.

SUMMERY OF THE UTILITY MODEL

To prior art's not enough, this application provides an reinforcing motor heat conductivility, the better permanent-magnet machine stator of mechanical strength to can reduce the cost of stator pouring, use manpower sparingly material resources, improve the preparation efficiency of stator greatly.

In order to achieve the purpose, the technical scheme of the application is as follows: the utility model provides a structure is assembled to split type pouring stator, includes that a plurality of is folded towards the piece and is pressed the iron core that forms and assemble the module, and is a plurality of the module is assembled to the iron core and head and tail are pegged graft in proper order and are constituteed the stator core of cylinder, and every iron core is assembled and is installed stator winding in the module, stator winding's the end of drawing forth all links to each other with binding post module, stator winding, binding post periphery pouring have the epoxy layer are assembled to the iron core.

Furthermore, end plates are arranged at two ends of the iron core assembling module, and screws penetrate through mounting holes in the end plates and the punching sheets and are connected with nuts.

Furthermore, module one side is assembled to the iron core and is equipped with the grafting arch, and the opposite side is equipped with the grafting recess, and two adjacent iron core are assembled the module and are linked to each other through the cooperation of grafting arch and grafting recess.

Further, the assembled iron core assembling module, the stator winding and the wiring terminal are placed in a pouring box body, and epoxy resin is poured into the pouring box body to obtain a pouring stator module.

Furthermore, the pouring box body comprises an upper template, a lower template, a front template, a rear template and end blocking plates, and the four templates and the blocking plates are connected through bolts to form a square box with an opening at one end.

Further, a plurality of cast stator modules are inserted to form a stator encapsulated by an epoxy resin.

The utility model discloses owing to adopt above technical scheme, can gain following technological effect: the epoxy resin has large heat conductivity coefficient and good heat conduction effect, and can fill the gap between the enameled wire and the iron core so as to improve the overall mechanical strength of the stator. The whole stator is wrapped and sealed by resin, so that dust pollution in a working environment can be well avoided.

When the large permanent magnet motor stator is poured, the stator is split into modules, the space for pouring the stator is reduced, the operation of workers is simple and convenient, and the energy utilization rate consumed during the pouring of the stator is improved. The multiple stator modules can be simultaneously poured in the multiple pouring boxes, so that the time required by resin solidification is greatly shortened.

In the pouring process, if the problem or defect which cannot be repaired occurs at a certain position, only the stator module is scrapped, and the loss caused by the problem in pouring is reduced.

Drawings

FIG. 1 is a schematic diagram of a split cast stator assembly structure;

FIG. 2 is a partially enlarged schematic view of a split cast stator assembly structure;

FIG. 3 is a schematic view of a single punch structure;

FIG. 4 is a schematic structural view of a pouring box body;

the sequence numbers in the figures illustrate: 1. a stator core; 2. a stator winding; 3. an end plate; 4. a screw; 5. a nut; 6. an epoxy resin layer; 7. a wiring terminal; 8. a stator module; 9. an end closure plate; 10. mounting a template; 11. a lower template; 12. a front template; 13. and (7) a rear template.

Detailed Description

The invention will be described in further detail with reference to the following figures and specific embodiments: the present application is further described by taking this as an example.

Example 1

As shown in fig. 1-4, this embodiment provides a split type cast stator assembly structure, which includes a plurality of iron core assembly modules formed by laminating punching sheets, a stator winding is installed on each stacked iron core assembly module, after a wiring terminal and the stator winding are welded, end plates are installed at two ends of each iron core assembly module, the iron core assembly modules are fixed by using screws and nuts, then the whole module is cast with epoxy resin in a casting box, so as to obtain a cast stator module, and all the modules are assembled together after being manufactured, so as to obtain a complete permanent magnet motor stator.

The iron core assembling module is characterized in that an inserting protrusion is arranged on one side of the iron core assembling module, an inserting groove is arranged on the other side of the iron core assembling module, and two adjacent iron core assembling modules are connected with the inserting groove in a matched mode through the inserting protrusion.

Module, stator winding, binding post are assembled to the iron core that will assemble and are placed in the pouring box, the pouring box includes cope match-plate pattern, lower bolster, preceding template, back template and end closure plate, through four templates and for the bolted connection of closure plate one end open-ended square chest, pour into resin into to the square chest again, treat the resin solidification back, demolish four templates and closure plate one by one, alright obtain the pouring stator module, this kind of pouring mode can reduce the cost of stator pouring, use manpower sparingly, material resources, improve work efficiency greatly.

The above, only for the utility model discloses create the concrete implementation way of preferred, nevertheless the utility model discloses the protection scope of creation is not limited to this, and any person skilled in this technical field is in the utility model discloses create the technical scope of disclosure, according to the utility model discloses the technical scheme of creation and utility model design equivalence replacement or change all should be covered in the protection scope of creation of the utility model.

Claims

1. The utility model provides a structure is assembled to split type pouring stator, its characterized in that includes that a plurality of is folded towards the piece and is pressed the iron core that forms and assemble the module, and is a plurality of the iron core is assembled the module head and the tail and is pegged graft in proper order and form the cylindrical stator core, installs stator winding on every iron core is assembled the module, stator winding's the end of drawing forth all links to each other with binding post the iron core is assembled module, stator winding, binding post periphery pouring and has epoxy layer.

2. The split type cast stator assembling structure of claim 1, wherein end plates are arranged at two ends of the iron core assembling module, and screws penetrate through mounting holes in the end plates and the punching sheets to be connected with nuts.

3. The split type cast stator assembly structure of claim 1, wherein the iron core assembly modules are provided with insertion protrusions on one side and insertion grooves on the other side, and two adjacent iron core assembly modules are connected with the insertion grooves through the insertion protrusions.

4. The split type cast stator assembly structure according to claim 1, wherein the assembled iron core assembly module, the stator winding and the wiring terminals are placed in a cast box body, and epoxy resin is poured into the cast box body to obtain a cast stator module.

5. The split type pouring stator assembling structure according to claim 4, wherein the pouring box body comprises an upper template, a lower template, a front template, a rear template and end blocking plates, and the four templates and the blocking plates are connected through bolts to form a square box with an opening at one end.

6. The split cast stator assembly structure of claim 4, wherein a plurality of cast stator modules are spliced to form a stator encapsulated by epoxy resin.