CN109038968B - Method for manufacturing magnetic steel fixing plate of linear motor - Google Patents
Method for manufacturing magnetic steel fixing plate of linear motor Download PDFInfo
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- CN109038968B CN109038968B CN201810946374.0A CN201810946374A CN109038968B CN 109038968 B CN109038968 B CN 109038968B CN 201810946374 A CN201810946374 A CN 201810946374A CN 109038968 B CN109038968 B CN 109038968B
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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
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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
- H02K15/03—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies having permanent magnets
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- Manufacturing & Machinery (AREA)
- Power Engineering (AREA)
- Linear Motors (AREA)
- Manufacture Of Motors, Generators (AREA)
Abstract
The invention discloses a manufacturing method of a magnetic steel fixing plate of a linear motor, which comprises a processing die, wherein the die comprises an upper die and a lower die, a plurality of thimbles are fixed on the lower surface of the upper die according to the size of magnetic steel, and a plurality of grooves corresponding to the thimbles are processed on the upper surface of the lower die; selecting a plate, processing the size of the plate, and carrying out hardness and parallelism treatment on the surface of the plate; placing a plate between an upper die and a lower die, placing the upper die and the lower die on an oil press, punching the upper die and the lower die by the oil press, combining the upper die and the lower die, and ejecting a thimble on the lower surface of the upper die onto the plate to form a plurality of positioning points protruding into the groove on the surface of the plate; measuring the flatness of the plate; and (3) processing a magnetic steel cover plate fixing hole on the plate by using a machine tool, and measuring the flatness of the plate again after the processing is finished. According to the invention, through an accurate machining process, an accurate magnetic steel positioning point is manufactured, the magnetic steel is convenient to accurately install and position, and the installation speed is increased.
Description
Technical Field
The invention relates to the technical field of motors, in particular to a manufacturing method of a magnetic steel fixing plate of a linear motor.
Background
The linear motor has the advantages of high positioning precision, sensitive response, high speed response, high acceleration and the like, so that more and more automatic equipment can be selected as a transmission part for use. Linear electric motor generally includes motor active cell and motor stator, need install a plurality of magnet steels side by side on the motor stator, wherein the magnet steel is the tiling in the linear electric motor on the magnet steel fixed plate surface, a panel is directly selected to the preparation method of present magnet steel fixed plate, the size of processing panel has just formed the magnet steel fixed plate, the installation of the inconvenient magnet steel of this kind of magnet steel fixed plate, the fixed mode of magnet steel can only be earlier fix first magnet at the side of magnet steel fixed plate, then install each magnet steel in proper order. This magnet steel fixed plate can't reach the accurate positioning when leading to the installation magnet steel, thereby how to produce a new magnet steel fixed plate and realize accurate location magnet steel, can also accelerate the speed of installation magnet steel and be the problem that linear electric motor failed effective solution always. Accurate magnet steel location has influenced performance, the precision of motor, is concerned with the stability of motor operation.
Disclosure of Invention
The invention aims to solve the technical problem of providing a manufacturing method of a linear motor magnetic steel fixing plate aiming at the defects of the prior art, and the manufacturing method of the linear motor magnetic steel fixing plate is used for manufacturing accurate magnetic steel positioning points through an accurate processing technology, so that the magnetic steel is convenient to accurately install and position, the installation speed is improved, and the positioning points are consistent in size and attractive in appearance.
In order to achieve the technical purpose, the technical scheme adopted by the invention is as follows:
a manufacturing method of a magnetic steel fixing plate of a linear motor comprises the following steps:
(1) processing a die, wherein the die comprises an upper die and a lower die, a plurality of thimbles are fixed on the lower surface of the upper die according to the size of the magnetic steel, and a plurality of grooves corresponding to the thimbles are processed on the upper surface of the lower die;
(2) selecting a plate, processing the size of the plate according to requirements, and carrying out hardness and parallelism treatment on the surface of the plate;
(3) placing a plate between an upper die and a lower die, placing the upper die and the lower die on an oil press, punching the upper die and the lower die by the oil press, combining the upper die and the lower die, and enabling an ejector pin on the lower surface of the upper die to be ejected onto the plate, so that a plurality of positioning points protruding towards the inside of the groove are formed on the surface of the plate, wherein the positioning points are used for positioning the magnetic steel;
(4) measuring the flatness of the plate, and if the flatness does not meet the requirement, performing flatness treatment on the plate;
(5) processing magnet steel apron fixed orifices on panel through the lathe, the plane degree of panel is measured once more after the processing is accomplished, if the plane degree does not reach the requirement, then carry out the plane degree to panel and handle, finally obtain the magnet steel fixed plate.
As a further improved technical scheme of the invention, adjacent 4 thimbles in a plurality of thimbles on the lower surface of the upper die are mutually connected to form a rectangle, and a plurality of adjacent 4 thimbles which are mutually connected to form the rectangle are distributed along the length direction of the lower surface of the upper die.
As a further improved technical scheme of the invention, the distance between every two adjacent ejector pins on the lower surface of the upper die in the same horizontal direction is equal to the width of the magnetic steel.
As a further improved technical scheme of the invention, the distance between 2 thimbles on the lower surface of the upper die in the same vertical direction is equal to the length of the magnetic steel.
As a further improved technical scheme of the invention, the step (2) is specifically as follows: selecting a plate, processing the plate according to the size of the plate as required, processing the plate by a turning, grinding and milling process, and processing the hardness and the parallelism of the surface of the plate.
As a further improved technical scheme of the invention, the sizes of the upper die and the lower die are consistent, and the magnetic steel cover plate fixing hole is a counter bore.
As a further improved technical scheme of the invention, adjacent 4 positioning points in the plurality of positioning points on the plate are mutually connected to form a rectangle, the plurality of adjacent 4 positioning points which are mutually connected to form the rectangle are distributed along the length direction of the plate, and the adjacent 4 positioning points which are mutually connected to form the rectangle are used for clamping a magnetic steel.
The invention has the beneficial effects that: according to the manufacturing method of the linear motor magnetic steel fixing plate, the upper die and the lower die can be used for processing accurate magnetic steel positioning points on a plate, the magnetic steel positioning points are used as magnetic steel fixing carriers in the magnetic steel installation process, the magnetic steel is accurately installed on the magnetic steel fixing plate, the magnetic steel is clamped by the positioning points (4 adjacent rectangular positioning points) on two sides, the stability of the position of the magnetic steel is kept, the accuracy of the installation position of the magnetic steel is further ensured, the running stability of a motor is ensured, and the installation speed of the magnetic steel is improved; the manufacturing method can also ensure the height consistency of the processed positioning points, is attractive and facilitates the installation of the magnetic steel and the magnetic steel fixing plate. The magnetic steel cover plate is conveniently fixed through a magnetic steel cover plate fixing hole machined by a machine tool.
Drawings
FIG. 1 is a flow chart of the present invention.
Fig. 2 is a schematic structural diagram of a magnetic steel fixing plate manufactured by the invention.
Fig. 3 is a schematic side view of a magnetic steel fixing plate manufactured by the present invention.
Detailed Description
The following further describes embodiments of the present invention with reference to fig. 1 to 3:
referring to fig. 1, a method for manufacturing a magnetic steel fixing plate of a linear motor includes the following steps:
(1) processing a die, wherein the die comprises an upper die and a lower die, a plurality of thimbles are fixed on the lower surface of the upper die according to the size of the magnetic steel, the heights of the thimbles are equal, and a plurality of grooves corresponding to the positions of the thimbles are processed on the upper surface of the lower die;
(2) selecting a plate 1, processing the size of the plate 1 according to requirements, and performing hardness and parallelism treatment on the surface of the plate 1;
(3) placing a plate 1 between an upper die and a lower die, placing the upper die and the lower die on an oil press, punching the upper die and the lower die by the oil press, combining the upper die and the lower die, and enabling an ejector pin on the lower surface of the upper die to be ejected onto the plate 1, so that a plurality of positioning points 2 protruding towards the inner part of a groove are formed on the surface of the plate 1, wherein the positioning points 2 are used for positioning magnetic steel; the size of the positioning point 2 can be pushed out from the other surface of the plate 1 by the amount of the push pin pressed into the die, so that the size of each positioning point 2 is consistent.
(4) Measuring the flatness of the plate 1, and if the flatness does not meet the requirement, performing flatness treatment on the plate 1;
(5) processing magnet steel apron fixed orifices 3 on panel 1 through the lathe, measure panel 1's plane degree again after the processing is accomplished, if the plane degree does not reach the requirement, then carry out the plane degree to panel 1 and handle, finally obtain the magnet steel fixed plate.
And 4 adjacent thimbles in the plurality of thimbles on the lower surface of the upper die are mutually connected to form a rectangle, and the plurality of adjacent 4 thimbles which are mutually connected to form the rectangle are distributed along the length direction of the lower surface of the upper die.
And the distance between every two adjacent thimbles on the lower surface of the upper die in the same horizontal direction is equal to the width of the magnetic steel. Or the distance between 2 thimbles on the same vertical direction on the lower surface of the upper die is equal to the length of the magnetic steel. Or the adjacent 4 thimble which is rectangular corresponds to the four corner positions of the magnetic steel.
The step (2) is specifically as follows: selecting a plate 1, processing the size of the plate 1 according to requirements, processing the plate 1 through a turning, grinding and milling process, and processing the hardness and the parallelism of the surface of the plate 1. In the figure 2, the upper surface of the plate 1 is a magnetic steel mounting surface, and the magnetic steel positioning points 2 are subjected to precise machining processes such as turning, grinding and milling before stamping, and the surface of the fixing plate is subjected to hardness treatment and flatness treatment.
The upper die and the lower die are consistent in size, and the magnetic steel cover plate fixing hole 3 is a counter bore. Because the magnetic steel cover plate can be fixed by the blind rivet, the magnetic steel cover plate fixing hole 3 adopts a counter bore in the design process, and the blind rivet can be effectively fixed in the hole. The required precision of the hole is not very high, so a machining process is adopted.
The position of the thimble in the mould can be adjusted according to the size of the magnetic steel at the position of the positioning point 2 in the embodiment.
Referring to fig. 2 and fig. 3, the linear electric motor magnetic steel fixing plate manufactured in this embodiment includes a plate 1, a plurality of protruding positioning points 2 are provided on the plate 1, the positioning points 2 are used for positioning the magnetic steel, 2 adjacent positioning points 2 in the plurality of positioning points 2 on the plate 1 are connected with each other to form a rectangle, and a plurality of adjacent positioning points 2 are connected with each other to form a rectangle, and are distributed along the length direction of the plate 1, and the adjacent 4 positioning points 2 are connected with each other to form a magnetic steel for clamping, and a plurality of magnetic steel cover plate fixing holes 3 are provided on the plate 1 and distributed along the length direction.
This embodiment when the installation magnet steel, only need be every adjacent be rectangular 4 setpoint between 2 installation magnet steel can, every adjacent 4 setpoint 2 can regard as the location restriction of magnet steel, block the magnet steel, kept the regularity and the steadiness in magnet steel position.
According to the manufacturing method of the linear motor magnetic steel fixing plate, the upper die and the lower die can be used for processing the accurate magnetic steel positioning points 2 on the plate 1, the magnetic steel positioning points are used as magnetic steel fixing carriers in the magnetic steel installation process, the magnetic steel is accurately installed on the magnetic steel fixing plate, the positioning points 2 on two sides (4 adjacent rectangular positioning points 2) clamp the magnetic steel, the position stability of the magnetic steel is kept, the accuracy of the magnetic steel installation position is further guaranteed, and the running stability of a motor is guaranteed; the manufacturing method of the invention can also ensure the height consistency of the processed positioning points 2, is beautiful and is convenient for the installation of the magnetic steel and the magnetic steel fixing plate. The magnetic steel cover plate is conveniently fixed through a magnetic steel cover plate fixing hole 3 machined by a machine tool.
The scope of the present invention includes, but is not limited to, the above embodiments, and the present invention is defined by the appended claims, and any alterations, modifications, and improvements that may occur to those skilled in the art are all within the scope of the present invention.
Claims (7)
1. A manufacturing method of a magnetic steel fixing plate of a linear motor is characterized by comprising the following steps:
(1) processing a die, wherein the die comprises an upper die and a lower die, a plurality of thimbles are fixed on the lower surface of the upper die according to the size of the magnetic steel, and a plurality of grooves corresponding to the thimbles are processed on the upper surface of the lower die;
(2) selecting a plate, processing the size of the plate according to requirements, and carrying out hardness and parallelism treatment on the surface of the plate;
(3) placing a plate between an upper die and a lower die, placing the upper die and the lower die on an oil press, punching the upper die and the lower die by the oil press, combining the upper die and the lower die, and enabling an ejector pin on the lower surface of the upper die to be ejected onto the plate, so that a plurality of positioning points protruding towards the inside of the groove are formed on the surface of the plate, wherein the positioning points are used for positioning the magnetic steel;
(4) measuring the flatness of the plate, and if the flatness does not meet the requirement, performing flatness treatment on the plate;
(5) processing magnet steel apron fixed orifices on panel through the lathe, the plane degree of panel is measured once more after the processing is accomplished, if the plane degree does not reach the requirement, then carry out the plane degree to panel and handle to form the magnet steel fixed plate.
2. The manufacturing method of the magnetic steel fixing plate of the linear motor according to claim 1, characterized in that: and 4 adjacent thimbles in the plurality of thimbles on the lower surface of the upper die are mutually connected to form a rectangle, and the plurality of adjacent 4 thimbles which are mutually connected to form the rectangle are distributed along the length direction of the lower surface of the upper die.
3. The manufacturing method of the magnetic steel fixing plate of the linear motor according to claim 2, characterized in that: and the distance between every two adjacent thimbles on the lower surface of the upper die in the same horizontal direction is equal to the width of the magnetic steel.
4. The manufacturing method of the magnetic steel fixing plate of the linear motor according to claim 2, characterized in that: the distance between 2 thimbles on the same vertical direction of going up mould lower surface equals the length of magnet steel.
5. The manufacturing method of the magnetic steel fixing plate of the linear motor according to claim 3 or 4, wherein the step (2) is specifically as follows: and (4) processing the plate by a turning, grinding and milling process.
6. The method for manufacturing the magnetic steel fixing plate of the linear motor according to claim 1, wherein the sizes of the upper die and the lower die are consistent, and the magnetic steel cover plate fixing hole is a counter bore.
7. The method for manufacturing the magnetic steel fixing plate of the linear motor according to claim 1, wherein adjacent 4 positioning points of the plurality of positioning points on the plate are connected with each other to form a rectangle, the plurality of adjacent 4 positioning points which are connected with each other to form the rectangle are distributed along the length direction of the plate, and the adjacent 4 positioning points which are connected with each other to form the rectangle are used for clamping a magnetic steel.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810946374.0A CN109038968B (en) | 2018-08-20 | 2018-08-20 | Method for manufacturing magnetic steel fixing plate of linear motor |
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| CN201810946374.0A CN109038968B (en) | 2018-08-20 | 2018-08-20 | Method for manufacturing magnetic steel fixing plate of linear motor |
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| CN109038968A CN109038968A (en) | 2018-12-18 |
| CN109038968B true CN109038968B (en) | 2020-05-19 |
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| CN201810946374.0A Active CN109038968B (en) | 2018-08-20 | 2018-08-20 | Method for manufacturing magnetic steel fixing plate of linear motor |
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| CN110165846A (en) * | 2019-05-30 | 2019-08-23 | 岭东核电有限公司 | Nuclear power station inner stator spring backing plate and positioning key replacing options |
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| CN102158017B (en) * | 2011-03-30 | 2013-06-05 | 株洲变流技术国家工程研究中心有限公司 | Manufacturing method and trimming die for primary iron core disk of long primary linear electric motor |
| JP6393019B2 (en) * | 2011-09-26 | 2018-09-19 | 日産自動車株式会社 | Field pole magnet body manufacturing apparatus and method |
| JP5438159B2 (en) * | 2012-03-19 | 2014-03-12 | ファナック株式会社 | Magnet plate for linear motor having action to prevent magnet position shift |
| KR101439004B1 (en) * | 2013-02-05 | 2014-09-05 | 현대자동차주식회사 | Molding apparatus and method for positioning permanent magnet of rotor |
| CN108054885B (en) * | 2017-11-15 | 2019-08-09 | 广州市昊志机电股份有限公司 | A kind of the magnet steel installation equipment and magnet steel fitting machine of linear motor |
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Address after: 315000 No. 308, Xiaogang Anju Road, Beilun District, Ningbo City, Zhejiang Province Applicant after: Ningbo Feishi Technology Co., Ltd Address before: 315803 308 Anju Road, Xiaogang, Beilun District, Ningbo, Zhejiang Applicant before: Phase Motion Control Ningbo Ltd. |
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