CN112242755A

CN112242755A - Self-adhesive iron core structure for motor and rapid positioning preparation method thereof

Info

Publication number: CN112242755A
Application number: CN202010992154.9A
Authority: CN
Inventors: 崔光镐
Original assignee: Taixin Motor Suzhou Co Ltd
Current assignee: Taixin Motor Suzhou Co Ltd
Priority date: 2020-09-21
Filing date: 2020-09-21
Publication date: 2021-01-19

Abstract

The invention relates to the technical field of motors, in particular to a self-adhesive iron core structure for a motor and a quick positioning preparation method thereof. Adjacent iron core single sheets in the self-adhesive iron core are mutually adhered together, and then laser welding columns are welded in laser welding grooves on the outer sides of the iron core single sheets and further fixed, so that the weight of the iron core is reduced, and the efficiency of the whole motor is improved; this a self-adhesion iron core for motor simple structure can, preparation process location is accurate rapidly, has alleviateed workman's intensity of labour, has improved the preparation efficiency of iron core, also makes self-adhesion iron core self structure compacter simultaneously, has improved the work efficiency who uses self-adhesion iron core motor for the work of motor is high-efficient stable more, is fit for using widely.

Description

Self-adhesive iron core structure for motor and rapid positioning preparation method thereof

Technical Field

The invention relates to the technical field of motors, in particular to a self-adhesive iron core structure for a motor and a quick positioning preparation method thereof.

Background

An electric machine, commonly known as a "motor", refers to an electromagnetic device that converts or transmits electric energy according to the law of electromagnetic induction. Its main function is to generate driving torque as power source of electric appliance or various machines. The main function of the generator is to convert mechanical energy into electric energy, and the most common generator at present utilizes heat energy, water energy and the like to drive a generator rotor to generate electricity. In the motor, the iron core plays a very important role in the whole motor, and is used for increasing the magnetic flux of the inductance coil to realize the maximum conversion of electromagnetic power. The motor core is generally formed by combining a stator and a rotor. The stator is typically provided as a non-rotating part and the rotor is typically embedded within the stator at an internal location. Most of common iron cores are formed by self-buckling and overlapping a plurality of same iron core single sheets, and the motor using the rotor iron core has low efficiency and can not meet the requirements of the modern society on high-efficiency motors.

In order to solve the technical problem, the invention designs a self-adhesive iron core structure for a motor, wherein adjacent iron core single sheets in the self-adhesive iron core are mutually adhered together, and then laser welding columns are welded in laser welding grooves on the outer sides of the iron core single sheets for further fixing, so that the self weight of the iron core is reduced, and the efficiency of the whole motor is improved; this a self-adhesion iron core for motor simple structure can, preparation process location is accurate rapidly, has alleviateed workman's intensity of labour, has improved the preparation efficiency of iron core, also makes self-adhesion iron core self structure compacter simultaneously, has improved the work efficiency who uses self-adhesion iron core motor for the work of motor is high-efficient stable more, is fit for using widely.

Disclosure of Invention

In order to overcome the defects in the background art, the technical scheme adopted by the invention for solving the technical problems is as follows: the utility model provides a self-adhesion iron core structure for motor, includes iron core body, iron core monolithic and iron core board, iron core body is pasted fixedly by a plurality of iron core monolithic and is formed, the monolithic outside of iron core evenly sets up a plurality of laser welding grooves, be equipped with the monolithic laser welding post of welded fastening iron core in the laser welding groove, be equipped with the binder layer on the monolithic side of iron core, evenly be provided with a plurality of point glue films on the monolithic binder layer of iron core, iron core body is pasted fixedly by iron core monolithic hot pressing and is formed.

The quick positioning preparation method for the self-adhesive iron core structure of the motor comprises the following steps:

(1) uniformly coating a binder layer on the upper surface of an iron core plate for preparing the iron core single sheet for later use;

(2) placing the iron core plates coated with the binder layers in a stamping die to stamp iron core single sheets one by one, placing the stamped iron core single sheets in a stamping lower die with the functions of heating and positioning the iron core single sheets, uniformly dispensing a plurality of spot gluing layers on the binder layers of the iron core single sheets by using a dispenser every time one iron core single sheet is stamped, uniformly stamping a plurality of laser welding grooves around the iron core single sheets, then stamping the next iron core single sheet, repeating the operation in such a way, stacking the stamped iron core single sheets in order, and stamping the iron core single sheets with corresponding number according to the set height of the self-adhesive iron core;

(3) the heating function in the die under the start-up punching is heated simultaneously with the iron core monolithic together with binder layer and point glue film, pastes the iron core monolithic pressurization simultaneously and fixes together, goes out the laser welding post with laser welding in the laser welding inslot in the iron core monolithic outside after that, further fixes the lateral surface of self-adhesion iron core, accomplishes the preparation of self-adhesion iron core.

Preferably, the self-adhesive iron core is a rotor iron core or a stator iron core.

According to the self-adhesive iron core structure for the motor, the adjacent iron core single sheets in the self-adhesive iron core structure are mutually adhered together, and then the laser welding columns are welded in the laser welding grooves on the outer sides of the iron core single sheets and further fixed, so that the weight of the iron core is reduced, and the efficiency of the whole motor is improved; this a self-adhesion iron core for motor simple structure can, preparation process location is accurate rapidly, has alleviateed workman's intensity of labour, has improved the preparation efficiency of iron core, also makes self-adhesion iron core self structure compacter simultaneously, has improved the work efficiency who uses self-adhesion iron core motor for the work of motor is high-efficient stable more, is fit for using widely.

Drawings

The invention is further illustrated with reference to the following figures and examples.

FIG. 1 is a schematic structural diagram of a bonded rotor core for a motor according to the present invention;

fig. 2 is a structural schematic diagram of a single core piece;

FIG. 3 is a schematic structural view of an iron core plate;

wherein 1, the iron core body; 2. an iron core single sheet; 3. an adhesive layer; 4. dispensing a glue layer; 5. an iron core plate; 6. welding the groove by laser; 7. and laser welding the post.

Detailed Description

The present invention will now be described in further detail with reference to the accompanying drawings. The drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.

In a specific embodiment, please refer to fig. 1-3, a self-adhesion iron core structure for motor, includes iron core body 1, iron core monolithic 2 and iron core plate 5, iron core body 1 is pasted fixedly by a plurality of iron core monolithic 2 and is formed, the outside of iron core monolithic 2 evenly sets up a plurality of laser welding grooves 6, be equipped with the laser welding post 7 of welded fastening iron core monolithic 2 in the laser welding groove 6, be equipped with binder layer 3 on the side of iron core monolithic 2, evenly be provided with a plurality of adhesive layers 4 on the binder layer 3 of iron core monolithic 2, iron core body 1 is pasted fixedly by iron core monolithic 2 hot pressing and is formed.

The quick positioning preparation method for the self-adhesive iron core structure of the motor is characterized by comprising the following steps of:

(1) uniformly coating a layer of adhesive layer 3 on the upper surface of an iron core plate 5 for preparing the iron core single sheet 2 for later use;

(2) the iron core plate 5 coated with the binder layer 3 is placed in a stamping die to stamp out the iron core single sheets 2 one by one, the stamped iron core single sheets 2 are placed in a stamping lower die with the functions of heating and positioning the iron core single sheets 2, one iron core single sheet 2 is stamped out every time, a plurality of spot gluing layers 4 are uniformly dispensed on the binder layer 3 of the iron core single sheets 2 by using a glue dispenser, and the iron core single sheets are sequentially placed in a stamping die and then are placed in a stamping die to be heated and positioned in a stamping

2, uniformly punching a plurality of laser welding grooves 6 at the periphery of the iron core 2, then punching the next iron core single sheet 2, repeating the operation in such a way that the punched iron core single sheets 2 are stacked together in order, and punching the corresponding number of iron core single sheets 2 according to the set height of the self-adhesive iron core;

(3) the heating function in the mould under the start-up punching, with iron core monolithic 2 together with binder layer 3 and the simultaneous heating of point glue film 4, paste iron core monolithic 2 pressurization simultaneously and be fixed together, go out laser welding post 7 with laser welding in the laser welding groove 6 in the 2 outsides of iron core monolithic after that, further fixed the lateral surface of self-adhesion iron core, accomplish self-adhesion iron core's preparation.

The self-adhesion iron core is a rotor iron core or a stator iron core.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the invention.

Claims

1. The utility model provides a self-adhesion iron core structure for motor, includes iron core body (1), iron core monolithic (2) and iron core plate (5), its characterized in that: iron core body (1) is pasted fixedly by a plurality of iron core monolithic (2) and is formed, the outside of iron core monolithic (2) evenly sets up a plurality of laser welding groove (6), be equipped with laser welding post (7) of welded fastening iron core monolithic (2) in laser welding groove (6), be equipped with binder layer (3) on the side of iron core monolithic (2), evenly be provided with a plurality of point glue films (4) on binder layer (3) of iron core monolithic (2), iron core body (1) is formed by iron core monolithic (2) hot pressing paste is fixed.

2. The self-adhesive core structure for an electric machine according to claim 1, characterized in that: the self-adhesion iron core is a rotor iron core or a stator iron core.

3. The method for preparing the self-adhesive iron core structure of the motor in the quick positioning mode according to claim 1 is characterized by comprising the following steps of:

(1) uniformly coating a binder layer (3) on the upper surface of an iron core plate (5) for preparing the iron core single sheet (2) for later use;

(2) placing the iron core plates (5) coated with the binder layers (3) in a stamping die to stamp iron core single sheets (2) one by one, placing the stamped iron core single sheets (2) in a stamping pressing die with the functions of heating and positioning the iron core single sheets (2), uniformly dispensing a plurality of spot gluing layers (4) on the binder layers (3) of the iron core single sheets (2) by using a dispenser when stamping one iron core single sheet (2), uniformly stamping a plurality of laser welding grooves (6) on the periphery of the iron core single sheet (2), then stamping the next iron core single sheet (2), repeating the operation in such a way, so that the stamped iron core single sheets (2) are stacked together in order, and the iron core single sheets (2) with corresponding number are stamped according to the set height of the self-adhesive iron core;

(3) the heating function in the die under the starting punching is to heat the iron core single sheet (2) together with the binder layer (3) and the spot adhesive layer (4) simultaneously, and the iron core single sheet (2) is pressed and pasted together, then laser welding columns (7) are welded out in the laser welding groove (6) in the outer side of the iron core single sheet (2), the outer side surface of the self-adhesive iron core is further fixed, and the preparation of the self-adhesive iron core is completed.

4. The method for preparing a self-adhesive core structure for an electric machine according to claim 3, wherein the method comprises the following steps: the self-adhesion iron core is a rotor iron core or a stator iron core.