CN112398295A - Amorphous alloy stator punch forming method - Google Patents
Amorphous alloy stator punch forming method Download PDFInfo
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- CN112398295A CN112398295A CN202011146513.5A CN202011146513A CN112398295A CN 112398295 A CN112398295 A CN 112398295A CN 202011146513 A CN202011146513 A CN 202011146513A CN 112398295 A CN112398295 A CN 112398295A
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- amorphous alloy
- laminated
- forming method
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- laminated amorphous
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
- H02K15/02—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies
Abstract
The invention relates to an amorphous alloy stator punch forming method, which is used for solving the problem that the traditional motor stator punching process cannot punch amorphous alloy strips. The invention discloses an amorphous alloy stator punch forming method which mainly comprises the following steps: 1) synthesizing a plurality of single-layer amorphous alloy strips into a layer, coating high-molecular polymer for insulation, and bonding the single-layer amorphous alloy strips into a laminated amorphous alloy strip; 2) solidifying the laminated amorphous alloy strip; 3) coating a thermoplastic resin material on the surface of the laminated amorphous alloy strip; 4) punching the laminated amorphous alloy strip to obtain laminated amorphous alloy stamped sheets, and 5) stacking and heating a plurality of laminated amorphous alloy stamped sheets to bond and fix the laminated amorphous alloy stamped sheets to each other to obtain the stator.
Description
Technical Field
The invention belongs to the field of processing of amorphous alloy strips, and relates to an amorphous alloy stator punch forming method.
Background
The amorphous soft magnetic alloy has excellent soft magnetic performance due to the microstructure characteristic of short-range disorder and long-range disorder. The amorphous soft magnetic alloy strip is an amorphous alloy material with the largest global production and application scale at present, and is widely applied to industries such as transformers, mutual inductors, motors and the like. The hydrogen pump has good market application prospect in the fields of high-speed spindle motors, hydrogen fuel cell hydrogen pumps, high-pressure air pumps, rotor unmanned aerial vehicles and the like.
The existing processing method of the motor stator mainly comprises a punch forming method, but because the amorphous alloy strip belongs to a metal material with high yield strength and low plasticity, the existing punch forming method has poor compatibility to the material. The direct stamping forming often leads to the amorphous alloy punching piece to generate cracks or even cannot be formed due to die matching errors.
Therefore, the existing stamping forming technology for amorphous alloy strips needs to be improved.
Disclosure of Invention
The invention provides an amorphous alloy stator punch forming method, which aims to solve the problem that the traditional motor stator punching process cannot punch amorphous alloy strips.
The technical scheme for solving the problems is as follows: the amorphous alloy stator punch forming method is characterized by comprising the following steps of:
1) synthesizing a plurality of single-layer amorphous alloy strips into a layer, coating high-molecular polymer for insulation, and bonding the single-layer amorphous alloy strips into a laminated amorphous alloy strip;
2) solidifying the laminated amorphous alloy strip;
3) coating a thermoplastic resin material on the surface of the laminated amorphous alloy strip;
4) punching the laminated amorphous alloy strip to prepare a laminated amorphous alloy punching sheet,
5) and overlapping a plurality of layers of laminated amorphous alloy punching sheets and heating to ensure that the laminated amorphous alloy punching sheets are mutually bonded and fixed to form the stator.
Further, in the step 1), a plurality of single-layer amorphous alloy strips are arranged on the material rack for multi-roll discharging, and then are synthesized into a layer, coated with high molecular polymer for insulation and bonded into a laminated amorphous alloy strip.
Further, in the step 1), coating a high molecular polymer for insulation, and putting the laminated amorphous alloy strip into a container containing the high molecular polymer to realize coating the high molecular polymer.
Further, in the step 1), the high molecular polymer is mostly epoxy resin.
Further, in the step 1), the laminated amorphous alloy ribbon includes eight single-layer amorphous alloy strips.
Further, in the step 2), the solidifying the laminated amorphous alloy ribbon refers to: and heating and solidifying the amorphous alloy strip subjected to the insulation treatment.
Further, in the step 2), the heating and curing specifically includes: and heating and curing the laminated amorphous alloy strip by using a baking furnace.
Further, in the step 3), the laminated amorphous alloy strip is put into a container containing a thermoplastic resin material to realize coating of the thermoplastic resin material.
Further, in the step 4), the laminated amorphous alloy strip is punched on a punching die for multiple times in a continuous traction automatic punching manner to manufacture the laminated amorphous alloy punching sheet.
The invention has the advantages that:
1) in the invention, the polymer is arranged in the inner layer of the laminated amorphous alloy, so that the polymer can uniformly disperse overlarge stress in the stamping process so as to balance the impact force on the laminated amorphous alloy, improve the stamping reliability and flatten the edge of the stamped sheet;
2) the polymer is arranged on the amorphous alloy strip, and the polymer has certain elasticity and adhesion to metal, so that the laminated amorphous alloy has better toughness than the amorphous alloy strip, and the generation and the expansion of amorphous alloy cracks are prevented.
Drawings
Fig. 1 is a flow chart of a method for stamping and forming an amorphous alloy stator.
Wherein: 1. the device comprises a material rack, 2, a single-layer amorphous alloy strip, 3, a container containing epoxy resin, 4, a baking furnace, 5, a container containing thermoplastic resin, 6, a laminated amorphous alloy strip, 7 and a stamping die.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention.
Referring to fig. 1, an amorphous alloy stator punch forming method includes the following steps:
1) synthesizing a plurality of single-layer amorphous alloy strips 2 into a layer, coating high molecular polymer for insulation, and bonding into a laminated amorphous alloy strip 6;
2) solidifying the laminated amorphous alloy strip 6;
3) coating a thermoplastic resin material on the surface of the laminated amorphous alloy strip 6;
4) stamping the laminated amorphous alloy strip 6 to prepare a laminated amorphous alloy stamped sheet;
5) and overlapping a plurality of layers of laminated amorphous alloy punching sheets and heating to ensure that the laminated amorphous alloy punching sheets are mutually bonded and fixed to form the stator.
As a preferred embodiment of the present invention, in the step 1), after a plurality of single-layer amorphous alloy strips 2 are arranged on a rack 1 for multi-winding discharging, a layer is synthesized, and then a high molecular polymer is coated on the layer for insulation and bonding to form a laminated amorphous alloy strip 6.
As a preferred embodiment of the present invention, in the step 1), the high molecular polymer coating is performed by putting the laminated amorphous alloy ribbon 6 into a container containing a high molecular polymer for insulating the high molecular polymer.
In a preferred embodiment of the present invention, in step 1), the high molecular polymer is mostly epoxy resin.
As a preferred embodiment of the present invention, in the step 2), solidifying the laminated amorphous alloy ribbon 6 refers to: and heating and solidifying the laminated amorphous alloy strip 6.
As a preferred embodiment of the present invention, in the step 2), the heating and curing specifically includes: the laminated amorphous alloy ribbon 6 is heated and solidified by the baking furnace 4.
In the step 3), the application of the thermoplastic resin material is realized by placing the laminated amorphous alloy ribbon 6 into the container 5 containing the thermoplastic resin material.
As a preferred embodiment of the present invention, in the step 4), the laminated amorphous alloy ribbon 6 is punched on the punching die 7 by a continuous drawing automatic punching manner for multiple times to form the laminated amorphous alloy punching sheet.
Example (b):
an amorphous alloy stator punch forming method comprises the following steps:
1) 8 single-layer amorphous alloy strips 2 are discharged by a material rack 1, synthesized into a layer, introduced into a container 3 filled with epoxy resin to realize epoxy resin coating, and bonded into a laminated amorphous alloy strip 6.
2) The laminated amorphous alloy ribbon 6 is heated and solidified by the baking furnace 4.
3) And (3) putting the solidified laminated amorphous alloy strip 6 into a container 5 filled with a thermoplastic resin material to realize coating of the thermoplastic resin material.
4) And (3) stamping the laminated amorphous alloy strip 6 on a stamping die 7 for multiple times in a continuous traction automatic stamping mode to prepare the laminated amorphous alloy stamping.
5) And overlapping a plurality of layers of laminated amorphous alloy punching sheets and heating to ensure that the laminated amorphous alloy punching sheets are mutually bonded and fixed to form the motor stator.
The polymer is arranged in the inner layer of the laminated amorphous alloy, so that the polymer can uniformly disperse overlarge stress in the stamping process to balance the impact force on the laminated amorphous alloy, improve the stamping reliability and flatten the edge of the stamped sheet. The invention utilizes the fact that the polymer has certain elasticity and adhesive force to metal, so that the lamination amorphous alloy has better toughness than the amorphous alloy strip, and the generation and the expansion of the crack of the amorphous alloy are prevented.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and those skilled in the art can still make modifications to the technical solutions described in the above embodiments, or make equivalent substitutions for some technical features. Therefore, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (9)
1. The amorphous alloy stator punch forming method is characterized by comprising the following steps:
1) synthesizing a plurality of single-layer amorphous alloy strips into a layer, coating high-molecular polymer for insulation, and bonding the single-layer amorphous alloy strips into a laminated amorphous alloy strip;
2) solidifying the laminated amorphous alloy strip;
3) coating a thermoplastic resin material on the surface of the laminated amorphous alloy strip;
4) punching the laminated amorphous alloy strip to prepare a laminated amorphous alloy punching sheet,
5) and overlapping a plurality of layers of laminated amorphous alloy punching sheets and heating to ensure that the laminated amorphous alloy punching sheets are mutually bonded and fixed to form the stator.
2. The amorphous alloy stator punch forming method according to claim 1, wherein:
in the step 1), a plurality of single-layer amorphous alloy strips are arranged on a material rack for multi-roll discharging, and then are synthesized into a layer, coated with high molecular polymer for insulation and bonded into a laminated amorphous alloy strip.
3. The amorphous alloy stator punch forming method according to claim 2, wherein:
in the step 1), coating the high molecular polymer for insulation, and putting the laminated amorphous alloy strip into a container containing the high molecular polymer to realize coating of the high molecular polymer.
4. The amorphous alloy stator punch forming method according to claim 3, wherein:
in the step 1), the high molecular polymer is epoxy resin.
5. The amorphous alloy stator punch forming method according to claim 4, wherein:
in the step 1), the laminated amorphous alloy strip comprises eight single-layer amorphous alloy strips.
6. The amorphous alloy stator punch forming method according to any one of claims 1 to 5, wherein:
in the step 2), the step of solidifying the laminated amorphous alloy strip refers to: and heating and solidifying the amorphous alloy strip subjected to the insulation treatment.
7. The amorphous alloy stator punch forming method according to claim 6, wherein:
in the step 2), the heating and curing specifically comprises the following steps: and heating and curing the laminated amorphous alloy strip by using a baking furnace.
8. The amorphous alloy stator punch forming method according to claim 7, wherein:
in the step 3), the laminated amorphous alloy strip is placed into a container filled with a thermoplastic resin material to realize coating of the thermoplastic resin material.
9. The amorphous alloy stator punch forming method according to claim 8, wherein:
in the step 4), the laminated amorphous alloy strip is punched on a punching die for multiple times in a continuous traction automatic punching mode to manufacture the laminated amorphous alloy punching sheet.
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| CN202011146513.5A CN112398295B (en) | 2020-10-23 | 2020-10-23 | Amorphous alloy stator punch forming method |
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| CN202011146513.5A CN112398295B (en) | 2020-10-23 | 2020-10-23 | Amorphous alloy stator punch forming method |
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| CN112398295B CN112398295B (en) | 2022-03-25 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114244037A (en) * | 2021-12-06 | 2022-03-25 | 青岛云路先进材料技术股份有限公司 | Preparation method of amorphous alloy motor iron core, iron core and motor |
| CN115122418A (en) * | 2022-07-16 | 2022-09-30 | 佛山和盛隆包装制品有限公司 | Method for stamping organ paper and production process |
| DE102021111346A1 (en) | 2021-05-03 | 2022-11-03 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | Method for manufacturing a laminated core of an electrical machine |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| DE102021111346A1 (en) | 2021-05-03 | 2022-11-03 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | Method for manufacturing a laminated core of an electrical machine |
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| CN112398295B (en) | 2022-03-25 |
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Effective date of registration: 20220106 Address after: 518100 floor 02, plant 2, Daqian industrial plant, zone 67, Xingdong community, Xin'an street, Bao'an District, Shenzhen, Guangdong Province Applicant after: Feijing motor (Shenzhen) Co.,Ltd. Address before: 518060 No. 3688 Nanhai Road, Shenzhen, Guangdong, Nanshan District Applicant before: SHENZHEN University |
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