CN111585362A - Refrigerator compressor motor combined stator and manufacturing method thereof - Google Patents
Refrigerator compressor motor combined stator and manufacturing method thereof Download PDFInfo
- Publication number
- CN111585362A CN111585362A CN202010441065.5A CN202010441065A CN111585362A CN 111585362 A CN111585362 A CN 111585362A CN 202010441065 A CN202010441065 A CN 202010441065A CN 111585362 A CN111585362 A CN 111585362A
- Authority
- CN
- China
- Prior art keywords
- stator
- stator slot
- fixing
- sheet
- insert sleeve
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/12—Stationary parts of the magnetic circuit
- H02K1/16—Stator cores with slots for windings
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/12—Stationary parts of the magnetic circuit
- H02K1/18—Means for mounting or fastening magnetic stationary parts on to, or to, the stator structures
-
- 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
- H02K15/024—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies with slots
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K2201/00—Specific aspects not provided for in the other groups of this subclass relating to the magnetic circuits
- H02K2201/15—Sectional machines
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Iron Core Of Rotating Electric Machines (AREA)
- Manufacture Of Motors, Generators (AREA)
Abstract
The invention discloses a refrigerator compressor motor combined stator and a manufacturing method thereof, wherein the combined stator comprises a fixed insert sleeve and a stator slot sheet, and the stator slot sheet is pressed in the fixed insert sleeve to form an integral structure; the fixing insert sleeve and the stator slot sheet are made of different materials, the fixing insert sleeve is a cast structural member, and the stator slot sheet is a stamping structural member; the combined stator replaces the screw hole part of the existing integrated silicon steel sheet with a metal material with lower cost, thereby reducing the using amount of the stator silicon steel sheet and lowering the cost; meanwhile, the structure of the residual stator part punching die can be simplified, the circular outline is easier to arrange and array, batch punching is facilitated, sharp corners, acute angles or special-shaped outlines are avoided, punching defects are reduced, the product quality is higher, and the efficiency is higher.
Description
Technical Field
The invention relates to the technical field of refrigeration compressor motors, in particular to a refrigerator compressor motor combined stator and a manufacturing method thereof.
Background
At present, an air conditioner and a refrigerator become household appliances which are visible everywhere in daily life, and a stator for a compressor is an essential component of a motor in the compressor of the air conditioner and the refrigerator. In the refrigerator compressor, in order to facilitate the fixed and installation of stator, the four corners of stator usually can set up the screw hole, in order to guarantee the intensity of screw hole department stator and the cooperation of being connected with other parts, the stator is mostly similar polygonal structure, has certain volume. In the prior art, the stator of the compressor is basically made of silicon steel sheet material, and the price of the silicon steel sheet is usually higher than that of cast iron and other materials.
In recent years, the competition of the refrigerator and freezer compressor industry is extremely intense, and companies have hundreds of ways to improve the product quality and reduce the product cost to improve the product competitiveness. The motor is used as the most core part in the compressor, the cost of the motor exceeds 50 percent of the total cost of the compressor, and the silicon steel accounts for 40 to 50 percent of the material cost of the motor; therefore, the optimization of the motor iron core and the processing technology and the reduction of the silicon steel consumption are the important factors for reducing the cost of the motor. Because the traditional ice-pressure motor structurally needs to be assembled with a cylinder seat, a screw hole mounting part needs to be added to a motor stator iron core, a large amount of material is wasted due to the iron core, and the shape of the iron core has to be designed to be special-shaped (non-circular). The design increases the blanking difficulty and reduces the flatness of the iron core, thereby increasing the manufacturing cost.
Disclosure of Invention
The invention aims to solve the problems in the prior art and provides a refrigerator compressor motor combined stator and a manufacturing method thereof.
In order to achieve the purpose, the invention adopts the technical scheme that:
a combined stator of a refrigerator compressor motor comprises a fixed insert sleeve and stator slot sheets, wherein the stator slot sheets are pressed in the fixed insert sleeve to form an integral structure; the fixed bushing is made of different materials from the stator slot sheet, the fixed bushing is a cast structural member, and the stator slot sheet is a stamped structural member.
Furthermore, the fixing insert sleeve is made of cast iron, and the stator slot sheets are silicon steel sheets.
The combined stator replaces the screw hole part (namely the fixing bushing) of the existing integrated silicon steel sheet with a metal material with lower cost, thereby reducing the using amount of the stator silicon steel sheet; meanwhile, the punching die structure of the rest stator parts (stator slot sheets) can be simplified, the circular outline is easier to arrange and array, batch punching is facilitated, sharp corners, acute angles or special-shaped outlines are avoided, punching defects are reduced, the product quality is higher, and the efficiency is higher.
The fixing bushing made of cast iron can be cast at a conventional temperature, has certain strength and low price, and is convenient to process and bushing.
The combined stator is made of two materials, so that the material cost is reduced, the high-speed punching die is simplified, the deformation of the folded mortise iron core is reduced, and the air gap threading of a compressor is facilitated. Taking cast iron as an example, the price cost is only one third of that of silicon steel, the material cost can be reduced by more than 30%, and the expected total cost can be reduced by more than 5% (compared with a silicon steel sheet stator integrally formed by stamping), so that the method can be widely popularized in the manufacturing industry of compressor motors.
Furthermore, the fixing insert sleeve is provided with a middle mounting hole, and the inner contour of the middle mounting hole is matched with the outer contour of the stator slot sheet; one surface of the fixed bushing is provided with a positioning baffle wall; and side walls are arranged on at least one side of the periphery of the fixing insert sleeve.
The positioning retaining wall and the side wall are arranged, so that the positioning during pressing is facilitated, the dislocation and the movement are avoided, and the integral verticality of the pressed stator is ensured.
Furthermore, a plurality of concave points are arranged on the inner circumference of the middle mounting hole, a plurality of convex points matched with the concave points are arranged on the outer circumference of the stator slot piece, and the concave points and the convex points are arranged in a one-to-one correspondence mode.
The convex points and the concave points are correspondingly arranged to further play roles in positioning and guiding, and misassembly is avoided.
Furthermore, the side walls are symmetrically arranged, the inner sides of the side walls are flat surfaces, and straight tangent planes which are correspondingly arranged with the flat surfaces are arranged on the outer circumferences of the stator slots.
The arrangement of the side wall can be cancelled or the side wall is set to be an arc-shaped surface according to the design requirement, and the outer circumference of the stator slot piece is designed to be a full circle.
Furthermore, the convex points and the concave points are semicircular, and the radius of the semicircular is 1-2 mm.
Furthermore, screw holes are respectively formed in four corners of the fixing insert sleeve. The screw hole can be cast along with the fixed bushing, and the subsequent punching or drilling process is reduced.
Furthermore, the stator slot pieces are provided with 24 uniformly distributed pear-shaped slots, winding posts are arranged between every two adjacent pear-shaped slots, and an included angle between central axes of the adjacent pear-shaped slots is 15 degrees; the length of the plurality of pairs of the pear-shaped grooves in the middle is smaller than that of the remaining pear-shaped grooves on the periphery.
The pear-shaped groove with the structure is convenient for winding and passing, the winding density and quality can be ensured, the length, the width and the parameter of the pear-shaped groove are reasonable, and the efficiency of a product motor can be improved; the smaller part of the pear-shaped groove can be used as a starting point and an ending point, has obvious difference and is easy to observe and determine the position.
Furthermore, the thickness of the fixing insert sleeve is equal to that of the stator slot sheet, and one stator slot sheet is pressed in one fixing insert sleeve; or the thickness of the fixing insert sleeve is larger than that of the stator slot sheets, and the plurality of stator slot sheets are pressed in the same fixing insert sleeve.
The thicker fixing bushing is adopted, a plurality of thinner stator slot sheets can be pressed into the same bushing, the use of silicon steel sheets is further reduced, and the operations of positioning and screwing among a plurality of stator silicon steel sheets are reduced.
Further, a manufacturing method of the refrigerator compressor motor combined stator comprises the following steps:
step one, blank manufacturing: producing a fixing bush blank made of cast iron in a casting forming mode, casting a screw hole and a round hole on the fixing bush together with the fixing bush, cleaning falling sand to obtain a clean fixing bush blank, and storing the clean fixing bush blank in a warehouse for later use; punching a stator slot sheet blank made of a silicon steel sheet in a blanking and punching mode; grinding and cleaning to obtain stator slot sheet finished products, and warehousing for later use;
step two, milling: milling the end surface of the fixing insert blank, the end surface of the positioning retaining wall and/or the inner end surface of the side wall to obtain a fixing insert finished product;
step three, assembling and pressing: pressing a stator slot sheet finished product with the matched size into the fixing insert sleeve finished product to obtain a complete stator assembly; or pressing a plurality of stator slot sheet finished products with matched sizes into the fixing insert sleeve finished product one by one or together to obtain a complete stator assembly;
wherein, the concave points on the fixed bushing are cast together with the body or are milled; the salient points on the stator slot sheets are punched out along with the body; in the stator slot sheet punch forming process, a plurality of stator slot sheets are densely arranged in an adjacent tangent mode and are subjected to batch punch forming.
By adopting the method, the fixed bushing only needs to mill the end face and the inner cavity baffle wall, and press the stator slot sheet expanding hole into the fixed bushing (the stator slot sheet can be leveled in the process), the process is simple, the flatness and the verticality of the stator can be guaranteed greatly, and the process control of the air gap of the motor stator (iron core) and the guarantee of the finished product can be realized.
Compared with the prior art, the invention has the beneficial effects that: 1. the combined stator replaces the screw hole part of the existing integrated silicon steel sheet with a metal material with lower cost, so that the using amount of the stator silicon steel sheet is reduced; meanwhile, the die structure of the rest stator part can be simplified; 2. the circular outlines of the stator slot pieces are easy to arrange and array, batch stamping is facilitated, sharp corners, acute angles or special-shaped outlines are avoided, stamping defects are reduced, the product quality is higher, and the efficiency is higher; 3. the fixing bushing made of cast iron can be cast and molded at a conventional temperature, has certain strength and low cost, and is convenient to process and bushing; 4. the material cost of the combined stator is reduced by the arrangement of two materials, for example, cast iron is used, the price cost is only one third of that of silicon steel, the material cost can be reduced by more than 30%, the expected total cost can be reduced by more than 5%, and the combined stator can be widely popularized in the manufacturing industry of compressor motors; 5. the process of embedding the sleeve simplifies a high-speed die stamping die, reduces the deformation of the mortise-folded iron core, and is beneficial to air gap wire passing of a compressor; 6. the positioning blocking wall, the side wall and the salient points are arranged to play a role in positioning and guiding, so that the positioning is facilitated during pressing, and dislocation and movement are avoided.
Drawings
FIG. 1 is a schematic view of the overall structure of a motor assembly stator of a refrigerator compressor according to the present invention;
FIG. 2 is a schematic structural diagram of a fixing bushing of a combined stator of a motor of a refrigerator compressor according to the present invention;
FIG. 3 is a schematic sectional view of a fixing bushing A-A of a motor assembly stator of a refrigerator compressor according to the present invention;
FIG. 4 is a schematic structural diagram of a stator slot sheet of a combined stator of a motor of a refrigerator compressor according to the present invention;
FIG. 5 is an enlarged view of the structure of the fixing bushing B of the combined stator of the motor of the refrigerator compressor according to the present invention;
FIG. 6 is a schematic layout view of a stator slot of a combined stator of a refrigerator compressor motor according to the present invention during punching;
FIG. 7 is a schematic view of the integrated stator arrangement during stamping according to the present invention;
in the figure: 1. fixing the bushing; 2. stator slot pieces; 3. a screw hole; 4. salient points; 5. concave points; 6. a side wall; 7. cutting into noodles; 8. a first pear-shaped groove; 9. a second pear-shaped groove; 10. a third pear-shaped groove; 11. an integral stator; 12. the retaining wall is positioned.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it is obvious that the described embodiments are only some embodiments of the present invention, 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.
In the description of the present invention, it should be noted that the terms "middle", "upper", "lower", "left", "right", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
The first embodiment is as follows:
as shown in fig. 1 to 5, a combined stator of a refrigerator compressor motor comprises a fixing insert sleeve 1 and stator slot sheets 2, wherein the stator slot sheets 2 are pressed in the fixing insert sleeve 1 to form an integral structure; the fixed bushing 1 and the stator slot sheet 2 are made of different materials, the fixed bushing 1 is a casting structural part, and the stator slot sheet 2 is a stamping structural part.
Further, the fixing insert 1 is made of gray cast iron or nodular cast iron, and the stator slot sheet 2 is a silicon steel sheet.
According to the combined stator, the screw hole part (namely the fixing insert sleeve 1) of the existing integrated silicon steel sheet is replaced by a metal material with lower cost, so that the using amount of the stator silicon steel sheet is reduced; meanwhile, the punching die structure of the rest stator parts (the stator slot pieces 2) can be simplified, the circular outline is easier to arrange and array, batch punching is facilitated, sharp corners, acute angles or special-shaped outlines are avoided, punching defects are reduced, the product quality is higher, and the efficiency is higher.
The fixing bushing 1 made of cast iron can be cast at a conventional temperature, has certain strength and low price, and is convenient to process and bushing.
The combined stator is made of two materials, so that the material cost is reduced, the high-speed punching die is simplified, the deformation of the folded mortise iron core is reduced, and the air gap threading of a compressor is facilitated. Taking cast iron as an example, the price cost is only one third of that of silicon steel, the material cost can be reduced by more than 30%, and the expected total cost can be reduced by more than 5% (compared with a silicon steel sheet stator integrally formed by stamping), so that the method can be widely popularized in the manufacturing industry of compressor motors.
Further, the fixing bushing 1 is provided with a middle mounting hole, and the inner contour of the middle mounting hole is matched with the outer contour of the stator slot sheet 2; one surface of the fixed bushing 1 is provided with a positioning retaining wall 12; and side walls 6 are symmetrically arranged at two sides of the fixing insert 1 respectively.
The positioning retaining wall 12 and the side wall 6 are arranged to facilitate positioning during pressing, avoid dislocation and movement, and ensure the whole verticality of the pressed stator.
Furthermore, a plurality of concave points 5 (namely grooves when the fixing insert sleeve has a certain thickness) are arranged on the inner circumference of the middle mounting hole, a plurality of convex points 4 matched with the concave points 5 are arranged on the outer circumference of the stator slot piece 2, and the concave points 5 and the convex points 4 are arranged in a one-to-one correspondence manner.
The convex points 4 and the concave points 5 are correspondingly arranged to further play roles in positioning and guiding, and misassembly is avoided.
Further, the inner side of the side wall 6 is a flat surface, and a flat tangent surface 7 corresponding to the flat surface is arranged on the outer circumference of the stator slot sheet 2.
Furthermore, the convex points 4 and the concave points 5 are semicircular, and the radius of the semicircular is 2 mm.
Furthermore, screw holes 3 are respectively arranged at four corners of the fixing insert sleeve 1. The screw holes 3 can be cast along with the fixing insert sleeve 1, so that the later punching or drilling process is reduced.
Furthermore, the thickness of the concave part of the fixing insert sleeve 1 is equal to the thickness of the stator slot sheet 2, and one stator slot sheet 2 is pressed in one fixing insert sleeve 1; or, when the thickness of the fixing insert 1 is a multiple of the thickness of the stator slot pieces 2, the plurality of stator slot pieces 2 are pressed in the same fixing insert 1.
Adopt the fixed cover 1 of inlaying of being thicker, can press in a plurality of thinner stator slot sheets 2 in same inlaying the cover, further reduced the use of silicon steel sheet material, reduced the operation of location, spiro union between a plurality of stator silicon steel sheets.
Example two:
the embodiment provides a structure of a stator slot sheet.
Specifically, as shown in fig. 4, the stator slot pieces 2 are provided with 24 uniformly distributed pear-shaped grooves, winding posts are arranged between every two adjacent pear-shaped grooves, and the width of the winding posts is equal; the included angle between the central axes of the adjacent pear-shaped grooves is 15 degrees; the length of the plurality of pairs of the pear-shaped grooves in the middle is smaller than that of the remaining pear-shaped grooves on the periphery.
The pear-shaped grooves comprise a first pear-shaped groove 8, a second pear-shaped groove 9 and a third pear-shaped groove 10; the number of the first pear-shaped grooves 8 is eighteen, the number of the second pear-shaped grooves 9 is four, and the number of the third pear-shaped grooves 10 is four, the length of the first pear-shaped grooves 8 is larger than that of the second pear-shaped grooves 9, and the length of the second pear-shaped grooves 9 is larger than that of the third pear-shaped grooves 10; the third pear-shaped groove 10 is arranged in the middle in a bilateral symmetry mode.
The pear-shaped groove with the structure is convenient for winding and passing, and simultaneously can ensure the density and quality of winding without influencing the efficiency of a product motor; the smaller part of the pear-shaped groove can be used as a starting point and an ending point, has obvious difference and is easy to observe and determine the position.
The stator slot sheet 2 with the structure is pressed into the fixed bushing 1 to obtain the required motor stator; taking the stator with the structure as an example, the use of silicon steel materials is reduced by more than 10 percent, and the purpose of saving material cost is achieved.
Example three:
the present embodiment provides a method for forming and pressing a combined stator in the first embodiment.
A method for manufacturing a combined stator of a refrigerator compressor motor comprises the following steps:
step one, blank manufacturing: producing a fixing bush blank made of cast iron in a casting forming mode, casting a screw hole and a round hole on the fixing bush together with the fixing bush, cleaning falling sand to obtain a clean fixing bush blank, and storing the clean fixing bush blank in a warehouse for later use; punching a stator slot sheet blank made of a silicon steel sheet in a blanking and punching mode; grinding and cleaning to obtain stator slot sheet finished products, and warehousing for later use;
step two, milling: milling the end surface of the fixing bush blank and the end surface of the positioning baffle wall to obtain a fixing bush finished product;
step three, assembling and pressing: pressing a stator slot sheet finished product with the matched size into the fixing insert sleeve finished product to obtain a complete stator assembly; or pressing a plurality of stator slot sheet finished products with matched sizes into the fixing insert sleeve finished product one by one or together to obtain a complete stator assembly;
wherein, the concave points on the fixed bushing are cast together with the body or are milled; the salient points on the stator slot sheets are punched out along with the body; in the stator slot sheet punch forming process, a plurality of stator slot sheets are densely arranged in an adjacent tangent mode and are subjected to batch punch forming.
By adopting the method, the fixed bushing only needs to mill the end face and the inner cavity baffle wall, and press the stator slot sheet expanding hole into the fixed bushing (the stator slot sheet can be leveled in the process), the process is simple, the flatness and the verticality of the stator can be guaranteed greatly, and the process control of the air gap of the motor stator (iron core) and the guarantee of the finished product can be realized.
Example four:
this embodiment provides a mode of arranging of stator slot piece stamping forming.
Specifically, as shown in fig. 6, a plurality of stator slots 2 are arranged in an adjacent and tangential manner, and the die can be arranged according to the manner when designing a die, so that the structure of the die is simplified, and the arrangement of special-shaped edges is reduced; when the stator slot sheets 2 are punched on the whole silicon steel sheet, the number of the generated corners is less, and the cost is saved.
Comparative example:
the present comparative example is the structure and arrangement of the integrated stator 11 punch forming.
As shown in fig. 7, the stator formed by integral punching occupies a larger area, the contact area between each integral stator 11 is larger, the number of the special-shaped edges is larger, various gaps exist, and the screw hole needs to be punched; when the integrated stator stamping die is designed, on one hand, the arrangement mode is complex, the occupied area is large, on the other hand, the detailed structure is also complex, and the corresponding relation of the special-shaped edges and the notches needs to be considered; and more leftover bits and pieces of silicon steel materials are produced after stamping, so that the material waste is large.
Compared with the comparative example, the combined stator adopted by the application can obviously simplify the structure of the stamping die and save the silicon steel sheet material, and the silicon steel sheet material used by each complete stator can be saved by 10.55% in the mode of the fourth installation embodiment. Under the condition that the size of the fixed bushing is not optimized, gray cast iron is taken as an example, the cost price cost is only about one third of that of silicon steel sheet materials, and the material cost is obviously saved. Can be widely applied to the manufacturing industry of compressor motors.
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.
Claims (10)
1. The combined stator of the refrigerator compressor motor is characterized by comprising a fixed insert sleeve and a stator slot sheet, wherein the stator slot sheet is pressed in the fixed insert sleeve to form an integral structure; the fixed bushing is made of different materials from the stator slot sheet, the fixed bushing is a cast structural member, and the stator slot sheet is a stamped structural member.
2. The refrigerator compressor motor combined stator as claimed in claim 1, wherein the fixing insert is cast iron, and the stator slot sheet is a silicon steel sheet.
3. The refrigerator compressor motor combination stator as claimed in claim 1, wherein the fixing bushing has a middle mounting hole, the inner contour of which is matched with the outer contour of the stator slot piece; one surface of the fixed bushing is provided with a positioning baffle wall; and side walls are arranged on at least one side of the periphery of the fixing insert sleeve.
4. The compressor motor combination stator for refrigerator as claimed in claim 3, wherein the inner circumference of the middle mounting hole is provided with a plurality of concave points, the outer circumference of the stator slot is provided with a plurality of convex points matching with the concave points, and the concave points and the convex points are arranged in one-to-one correspondence.
5. The compressor motor combination stator for the refrigerator as claimed in claim 3, wherein the sidewalls are a pair and symmetrically arranged, the inner sides of the sidewalls are flat surfaces, and the outer circumference of the stator slot has a flat tangent surface corresponding to the flat surfaces.
6. The refrigerator compressor motor combination stator as claimed in claim 4, wherein the convex points and the concave points are semi-circular, and the radius of the semi-circular is 1-2 mm.
7. The compressor motor combined stator for the refrigerator as claimed in claim 1, wherein the fixing bush has screw holes at four corners thereof.
8. The refrigerator compressor motor combined stator as claimed in claim 1, wherein the stator slot has 24 uniformly distributed pear-shaped slots, winding posts are arranged between the adjacent pear-shaped slots, and an included angle between central axes of the adjacent pear-shaped slots is 15 degrees; the length of the plurality of pairs of the pear-shaped grooves in the middle is smaller than that of the remaining pear-shaped grooves on the periphery.
9. The compressor motor combined stator for the refrigerator as claimed in claim 1, wherein the thickness of the fixing insert is equal to the thickness of the stator slot piece, and one stator slot piece is pressed in one fixing insert; or the thickness of the fixing insert sleeve is larger than that of the stator slot sheets, and the plurality of stator slot sheets are pressed in the same fixing insert sleeve.
10. A method for manufacturing a combined stator of a compressor and a motor of a refrigerator according to claim 1, wherein the method comprises the following steps:
step one, blank manufacturing: producing a fixing bush blank made of cast iron in a casting forming mode, casting a screw hole and a round hole on the fixing bush together with the fixing bush, cleaning falling sand to obtain a clean fixing bush blank, and storing the clean fixing bush blank in a warehouse for later use; punching a stator slot sheet blank made of a silicon steel sheet in a blanking and punching mode; grinding and cleaning to obtain stator slot sheet finished products, and warehousing for later use;
step two, milling: milling the end surface of the fixing insert blank, the end surface of the positioning retaining wall and/or the inner end surface of the side wall to obtain a fixing insert finished product;
step three, assembling and pressing: pressing a stator slot sheet finished product with the matched size into the fixing insert sleeve finished product to obtain a complete stator assembly; or pressing a plurality of stator slot sheet finished products with matched sizes into the fixing insert sleeve finished product one by one or together to obtain a complete stator assembly;
wherein, the concave points on the fixed bushing are cast together with the body or are milled; the salient points on the stator slot sheets are punched out along with the body; in the stator slot sheet punch forming process, a plurality of stator slot sheets are densely arranged in an adjacent tangent mode and are subjected to batch punch forming.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010441065.5A CN111585362A (en) | 2020-05-22 | 2020-05-22 | Refrigerator compressor motor combined stator and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010441065.5A CN111585362A (en) | 2020-05-22 | 2020-05-22 | Refrigerator compressor motor combined stator and manufacturing method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111585362A true CN111585362A (en) | 2020-08-25 |
Family
ID=72112343
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010441065.5A Pending CN111585362A (en) | 2020-05-22 | 2020-05-22 | Refrigerator compressor motor combined stator and manufacturing method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111585362A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116470706A (en) * | 2023-02-10 | 2023-07-21 | 荣成恒鑫动力科技股份有限公司 | Motor stator and manufacturing method of punching sheet thereof |
-
2020
- 2020-05-22 CN CN202010441065.5A patent/CN111585362A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116470706A (en) * | 2023-02-10 | 2023-07-21 | 荣成恒鑫动力科技股份有限公司 | Motor stator and manufacturing method of punching sheet thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101222166B (en) | Punching method for motor stator/rotor plate | |
| CN104853549A (en) | Mobile electronic product metal middle frame and processing technique thereof | |
| CN111585362A (en) | Refrigerator compressor motor combined stator and manufacturing method thereof | |
| CN204597648U (en) | Stator punching, stator core, stator and motor | |
| CN211981591U (en) | Combined stator of refrigerator compressor motor | |
| CN201231299Y (en) | Cold-heading roller punch die | |
| CN202461313U (en) | Bending machine mould with rolling shafts | |
| CN206405289U (en) | A kind of mould for bending geometrical clamp | |
| CN212627607U (en) | Small-size direct current has brush motor assembly fixture | |
| CN114278779A (en) | High-speed electromagnetic valve with spiral laminated electromagnetic core and machining method thereof | |
| CN108453469B (en) | Machining method for reducing adjustable die blank types | |
| CN211939039U (en) | Thin slice blade rotor mould structure with groove width less than one millimeter | |
| CN218117503U (en) | Double-opening lock core | |
| CN219268571U (en) | Stator core firmly combined with motor base and production die | |
| CN214850669U (en) | Stator punching sheet | |
| CN215315434U (en) | Special-shaped roller structure of radial and axial ring rolling machine | |
| CN1937369A (en) | Electric machine support manufacturing method | |
| CN218733747U (en) | Stamping die structure for high-density laminated riveting rotor | |
| CN219944216U (en) | Hardware bending forming die | |
| CN214184924U (en) | Hopper stamping die | |
| CN213645609U (en) | Quick bending lower die with multiple bending functions | |
| CN215431523U (en) | Powder metallurgy die of belt pulley | |
| CN219746326U (en) | Powder metallurgy forming die for light and thin type speed-reducing inner gear ring | |
| CN215032846U (en) | Stamping male die and die | |
| CN217666159U (en) | Split punch die for machining plum blossom groove |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: 435000 No.9 Ganghu Road, Luoqiao sub district office, Daye City, Huangshi City, Hubei Province Applicant after: Huangshi Dongbei Motor Co.,Ltd. Address before: 435000 No.9 Ganghu Road, Luoqiao sub district office, Daye City, Huangshi City, Hubei Province Applicant before: Daye Dongai Electric Co.,Ltd. |
|
| CB02 | Change of applicant information |