CN108667239B - Motor rotor goes into axle frock - Google Patents
Motor rotor goes into axle frock Download PDFInfo
- Publication number
- CN108667239B CN108667239B CN201810917820.5A CN201810917820A CN108667239B CN 108667239 B CN108667239 B CN 108667239B CN 201810917820 A CN201810917820 A CN 201810917820A CN 108667239 B CN108667239 B CN 108667239B
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- shaped
- fan
- rotating shaft
- hole
- motor rotor
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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
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Power Engineering (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Manufacture Of Motors, Generators (AREA)
Abstract
The invention discloses a motor rotor shaft-entering tool which comprises a motor rotor, a rotating shaft, a bottom plate, a top plate and a guide piece, wherein a cushion block is fixedly arranged at the central position on the bottom plate, the motor rotor is placed on the cushion block, support columns are arranged at the two ends of the bottom plate, the top plate is arranged at the upper end of the support columns, an arch hole penetrating through the top plate is arranged at the central position on the top plate, the section of the guide piece is arch-shaped, the arch hole and the guide piece are concentrically arranged, a fan-shaped annular gasket is arranged at the bottom of the motor rotor, two positioning holes are arranged on the fan-shaped gasket, a fan-shaped annular matching piece is arranged on the cushion block, the fan-shaped matching piece and the fan-shaped gasket form a concentric ring, two positioning columns are respectively in clearance fit with one positioning hole, a rotating shaft hole penetrating through the motor rotor is arranged at the central position of the motor rotor, and the motor rotor and the rotating shaft hole are concentrically arranged up and down. The invention can ensure that the rotating shaft and the rotor are concentric, and the coaxiality and verticality of the rotor are not changed when the rotating shaft is vertically pressed into the rotor.
Description
Technical Field
The invention belongs to the field of electric scroll compressor tooling equipment, and particularly relates to a motor rotor shaft entering tooling.
Background
In the process of producing and processing the motor rotor, the rotor is provided with a rotating shaft which is an indispensable assembly procedure, in the process of assembling the rotating shaft and the rotor, the rotor is mostly placed on a gasket, then the rotating shaft is directly pressed into a central hole of the rotor by using a press machine, and the rotating shaft is in interference fit with the rotor after being pressed, so that the assembly precision requirement on the rotating shaft and the rotor is very high.
In the prior art, as the rotating shaft is directly stressed and lacks some matching relations, the press mounting direction of the rotating shaft is easy to generate press deflection, and the coaxiality and the verticality between the rotor and the rotating shaft can be changed, so that the production quality of the electric scroll compressor is affected.
Disclosure of Invention
According to the defects of the prior art, the invention aims to provide a motor rotor shaft entering tool for solving the problem that a rotating shaft is easy to press and deviate when the rotating shaft and a motor rotor are assembled.
In order to solve the technical problems, the invention adopts the following technical scheme: the utility model provides a motor rotor goes into axle frock, including motor rotor, pivot, bottom plate, roof and guide piece, central point puts fixedly on the bottom plate and is provided with the cushion, motor rotor has been placed on the cushion, all be equipped with the support column on the bottom plate both ends, the support column upper end is equipped with the roof, the support column passes through bolt and roof fixed connection, central point puts the department on the roof and is equipped with the bow-shaped hole that runs through the roof, the cross-section of guide piece is bow-shaped, bow-shaped hole and guide piece set up with one heart, the guide piece includes path section and major diameter section, the major diameter section of guide piece is in the top of path section, the path section of guide piece is the guide section, the major diameter section of guide piece is the mating section, the concentric setting from top to bottom of guide section and mating section, clearance fit between guide section and the bow-shaped hole is equipped with the step hole, clearance fit between step hole and the pivot, motor rotor's bottom is equipped with fan annular gasket, the symmetry is provided with two locating holes on the fan annular gasket, be equipped with fan annular matching piece on the cushion, the fan annular matching piece and annular gasket form a concentric ring, motor rotor is located with two concentric locating posts and rotor locating post and concentric locating post, the concentric locating post and rotor position and locating post.
Further, the diameter of the mating segment is greater than the inner diameter of the arcuate bore.
Further, the bottom of guide section still is equipped with the pivot locating hole, and the pivot locating hole runs through the inside of step hole to guide section, and the pivot upper end is equipped with the pivot reference column, pivot reference column and pivot locating hole clearance fit.
Furthermore, the cushion block is provided with cushion block holes, and the cushion block holes are in clearance fit with the rotating shaft.
Further, the central angle of the fan-shaped annular gasket is smaller than 180 degrees, the central angle of the fan-shaped annular matching piece is larger than 180 degrees, and the sum of the central angle of the fan-shaped annular gasket and the central angle of the fan-shaped annular matching piece is equal to 360 degrees.
Further, the connecting line between the circle centers of the two positioning holes is perpendicular to the central line of the fan-shaped annular gasket, and the connecting line between the circle centers of the two positioning columns is perpendicular to the central line of the fan-shaped annular matching piece.
The invention has the beneficial effects that: the guide piece and the arch hole adopt arch structures, so that the guide piece and the arch hole cannot rotate circumferentially during press fitting, and the positioning precision is improved; the guide piece and the rotating shaft are in double matching through the step hole and the rotating shaft positioning hole, so that circumferential rotation between the guide piece and the rotating shaft is prevented when the guide piece is pressed on the rotating shaft; the fan ring-shaped matching piece is matched with the fan ring-shaped gasket, and the positioning column is matched with the positioning hole, so that the motor rotor cannot displace during press fitting, and circumferential rotation between the motor rotor and the rotating shaft is prevented.
Drawings
The contents expressed in the drawings of the present specification and the marks in the drawings are briefly described as follows:
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is an exploded view of the present invention;
FIG. 3 is a schematic cross-sectional view of the present invention;
fig. 4 is an enlarged schematic view of the structure of fig. 2 a.
Wherein, 1, a motor rotor, 2, a rotating shaft, 3, a bottom plate, 4, a supporting column, 5, a top plate, 6, a cushion block, 7, a guide piece, 101, a fan-shaped gasket, 102, a positioning hole, 103 and a rotating shaft hole, 201, a rotating shaft positioning column, 501, an arched hole, 601, a fan-shaped matching piece, 602, a positioning column, 603, a cushion block hole, 701, a guide section, 702, a matching section, 703, a step hole, 704 and a rotating shaft positioning hole.
Detailed Description
The following detailed description of the embodiments of the invention, such as the shape and construction of the components, the mutual positions and connection relationships between the components, the roles and working principles of the components, the manufacturing process and the operating and using method, etc., is provided to assist those skilled in the art in a more complete, accurate and thorough understanding of the inventive concept and technical solution of the present invention.
As shown in figures 1-4, the motor rotor shaft entering tooling comprises a motor rotor 1, a rotating shaft 2, a bottom plate 3, a top plate 5 and a guide piece 7, wherein a cushion block 6 is fixedly arranged at the central position on the bottom plate 3, the motor rotor 1 is placed on the cushion block 6, support columns 4 are arranged at the two ends of the bottom plate 3, the top plate 5 is arranged at the upper ends of the support columns 4, the support columns 4 are fixedly connected with the top plate 5 through bolts, an arch-shaped hole 501 penetrating through the top plate 5 is arranged at the central position on the top plate 5, the section of the guide piece 7 is arch-shaped, the arch-shaped hole 501 and the guide piece 7 with the arch-shaped section are concentrically arranged, the arch-shaped hole 501 and the guide piece 7 with the arch-shaped section can ensure the positioning precision between the guide piece 7 and the arch-shaped hole 501, the guide piece 7 is prevented from rotating circumferentially when being inserted into the arch-shaped hole 501, the guide piece 7 comprises a small-diameter section and a large-diameter section, the large-diameter section of the guide piece 7 is positioned above the small-diameter section, the small-diameter section of the guide piece 7 is the guide section 701, the large diameter section of the guide piece 7 is a matching section 702, the guiding section 701 and the matching section 702 are concentrically arranged up and down, the guiding section 701 and the arch hole 501 are in clearance fit so that the guiding section 701 can slide in the arch hole 501, the matching precision of the guiding section 701 and the arch hole 501 is improved, the diameter of the matching section 702 is larger than the inner diameter of the arch hole 501 so as to ensure that the guide piece 7 cannot fall down from the arch hole 501, the bottom end of the guiding section 701 is provided with a step hole 703 for accommodating the rotating shaft 2, the step hole 703 is in clearance fit with the rotating shaft 2, the bottom of the motor rotor 1 is provided with a fan-shaped annular gasket 101, two sides of the central line of the fan-shaped annular gasket 101 are respectively provided with a positioning hole 102, the two positioning holes 102 are symmetrically arranged about the central line of the fan-shaped annular gasket 101, the small diameter of the fan-shaped annular matching piece 601 is the same as the small diameter of the fan-shaped annular gasket 101, the large diameter of the fan-shaped matching piece 601 is the same as the large diameter of the fan-shaped gasket 101, the fan-shaped matching piece 601 and the fan-shaped gasket 101 form a concentric ring, two sides of the center line of the fan-shaped matching piece 601 are respectively provided with a positioning column 602, the two positioning columns 602 are respectively in clearance fit with one positioning hole 102, the center position of the motor rotor 1 is provided with a rotating shaft hole 103 penetrating through the motor rotor 1, and the motor rotor 1 and the rotating shaft hole 103 are arranged concentrically up and down.
In order to ensure the positioning accuracy between the rotating shaft 2 and the rotating shaft hole 103 of the motor rotor 1, the rotating shaft 2 can be accurately inserted into the rotating shaft hole 103 of the motor rotor 1, no displacement occurs between the outer circumferential surface of the upper end of the rotating shaft 2 and the inner circumferential surface of the rotating shaft hole 103, the bottom of the guide section 701 is further provided with a rotating shaft positioning hole 704, the rotating shaft positioning hole 704 penetrates through the step hole 703 to the inside of the guide section 701, the upper end of the rotating shaft 2 is provided with a rotating shaft positioning column 201, the rotating shaft positioning column 201 is in clearance fit with the rotating shaft positioning hole 704, the depth of the rotating shaft positioning hole 704 is the length of the rotating shaft positioning column 201, and the rotating shaft positioning column 201 and the rotating shaft positioning hole 704 enable the rotating shaft 2 to be incapable of rotating circumferentially in the step hole 703, so that the positioning accuracy is improved.
Because the shaft 2 is required to extend out of the shaft hole 103 of the motor rotor 1 by a certain length for the installation of the motor rotor 1 after being inserted into the shaft hole 103 of the motor rotor 1, the spacer 6 is provided with a spacer hole 603 for accommodating the shaft 2, and the diameter of the spacer hole 603 is larger than that of the shaft 2, so that the shaft 2 is prevented from contacting with the spacer 6.
The central angle of the fan-shaped ring gasket 101 is smaller than 180 degrees, the central angle of the fan-shaped ring matching piece 601 is larger than 180 degrees, and the sum of the central angle of the fan-shaped ring gasket 101 and the central angle of the fan-shaped ring matching piece 601 is equal to 360 degrees.
The connecting line between the circle centers of the two positioning holes 102 is perpendicular to the central line of the fan-shaped annular gasket 101, and the connecting line between the circle centers of the two positioning columns 602 is perpendicular to the central line of the fan-shaped annular matching piece 601.
The assembly method of the motor rotor and the rotating shaft comprises the following steps: in the process of press fitting the rotating shaft 2, the motor rotor 1 is placed on the cushion block 6 to enable the motor rotor 1 to be padded, the motor rotor 1 is fixed through the positioning column 602 and the positioning hole 102, displacement cannot easily occur, then the guide piece 7 is placed in the arched hole 501, the upper end of the rotating shaft 2 is positioned and assembled with the guide piece 7 above, the lower end of the rotating shaft 2 is placed at the upper end of the motor rotor 1, the stepped hole 703 of the guide piece 7 corresponds to the rotating shaft hole 103 of the motor rotor 1, the guide piece 7 is pushed to be pressed down, and the assembly of the rotating shaft 2 and the motor rotor 1 is completed.
While the invention has been described above with reference to the accompanying drawings, it will be apparent that the invention is not limited to the above embodiments, but is capable of being modified or applied directly to other applications without modification, as long as various insubstantial modifications of the method concept and technical solution of the invention are adopted, all within the scope of the invention. The protection scope of the present invention shall be subject to the protection scope defined by the claims.
Claims (4)
1. A motor rotor goes into axle frock, its characterized in that: including motor rotor (1), pivot (2), bottom plate (3), roof (5) and guide (7), central point puts fixed being provided with cushion (6) on bottom plate (3), motor rotor (1) has been placed on cushion (6), all be equipped with support column (4) on bottom plate (3) both ends, support column (4) upper end is equipped with roof (5), support column (4) pass through bolt and roof (5) fixed connection, central point put department on roof (5) is equipped with bow-shaped hole (501) that runs through roof (5), the section of guide (7) is bow-shaped, bow-shaped hole (501) and guide (7) are concentric to set up, guide (7) include small diameter section and big diameter section, the big diameter section of guide (7) is in the top of small diameter section, the small diameter section of guide (7) is guide section (701), the big diameter section of guide (7) is cooperation section (702), guide section (701) and cooperation section (702) are concentric setting from top to bottom, clearance fit between guide section (701) and bow-shaped hole (5), clearance fit between guide section (701) and bow-shaped hole (703) and bottom of motor (7) are equipped with annular step (703), clearance fit between bottom (703) and rotor (1), two positioning holes (102) are symmetrically formed in the fan-shaped gasket (101), a fan-shaped matching piece (601) is arranged on the cushion block (6), the position and the size of the fan-shaped matching piece (601) are matched with those of the fan-shaped gasket (101), two positioning columns (602) are symmetrically arranged on the fan-shaped matching piece (601), the positioning columns (602) are matched with the positions and the sizes of the positioning holes (102), the positioning columns (602) are in clearance fit with the positioning holes (102), a rotating shaft hole (103) penetrating through the motor rotor (1) is formed in the center of the motor rotor (1), and the motor rotor (1) and the rotating shaft hole (103) are arranged concentrically up and down;
the bottom of the guide section (701) is also provided with a rotating shaft positioning hole (704), the rotating shaft positioning hole (704) penetrates through the step hole (703) to the inside of the guide section (701), the upper end of the rotating shaft (2) is provided with a rotating shaft positioning column (201), and the rotating shaft positioning column (201) is in clearance fit with the rotating shaft positioning hole (704);
the central angle of the fan-shaped annular gasket (101) is smaller than 180 degrees, the central angle of the fan-shaped annular matching piece (601) is larger than 180 degrees, and the sum of the central angle of the fan-shaped annular gasket (101) and the central angle of the fan-shaped annular matching piece (601) is equal to 360 degrees.
2. The motor rotor shaft entering tool according to claim 1, wherein: the diameter of the mating segment (702) is greater than the inner diameter of the arcuate bore (501).
3. The motor rotor shaft entering tool according to claim 1, wherein: and a pad hole (603) is formed in the pad block (6), and the pad block hole (603) is in clearance fit with the rotating shaft (2).
4. The motor rotor shaft entering tool according to claim 1, wherein: the connecting line between the circle centers of the two positioning holes (102) is perpendicular to the central line of the fan-shaped annular gasket (101), and the connecting line between the circle centers of the two positioning columns (602) is perpendicular to the central line of the fan-shaped annular matching sheet (601).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810917820.5A CN108667239B (en) | 2018-08-13 | 2018-08-13 | Motor rotor goes into axle frock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810917820.5A CN108667239B (en) | 2018-08-13 | 2018-08-13 | Motor rotor goes into axle frock |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108667239A CN108667239A (en) | 2018-10-16 |
| CN108667239B true CN108667239B (en) | 2023-09-15 |
Family
ID=63788861
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810917820.5A Active CN108667239B (en) | 2018-08-13 | 2018-08-13 | Motor rotor goes into axle frock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108667239B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110350728A (en) * | 2019-08-27 | 2019-10-18 | 中车株洲电机有限公司 | It is straight to drive traction electric machine shaft set device and method |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102576216A (en) * | 2009-08-14 | 2012-07-11 | 林氏电机工程 | Motor end cap positioning element for maintaining rotor-stator concentricity |
| CN204089522U (en) * | 2014-10-23 | 2015-01-07 | 广西玉柴博耐特电器有限公司 | The rotor of high-efficient automatic enters axle frock |
| CN204216761U (en) * | 2014-10-23 | 2015-03-18 | 广西玉柴博耐特电器有限公司 | Accurate locate mode rotor enters axle frock |
| CN205051527U (en) * | 2015-10-23 | 2016-02-24 | 苏州斯奥克微电机制造有限公司 | Delicate income axle frock |
| CN205811806U (en) * | 2016-07-22 | 2016-12-14 | 利欧集团浙江泵业有限公司 | Electromotor rotor pressing frock |
| CN107863858A (en) * | 2017-12-08 | 2018-03-30 | 郑州德盛祥电机制造有限公司 | The assembly method of rotor and mandrel and the rotor shaft tooling for realizing this method |
-
2018
- 2018-08-13 CN CN201810917820.5A patent/CN108667239B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102576216A (en) * | 2009-08-14 | 2012-07-11 | 林氏电机工程 | Motor end cap positioning element for maintaining rotor-stator concentricity |
| CN204089522U (en) * | 2014-10-23 | 2015-01-07 | 广西玉柴博耐特电器有限公司 | The rotor of high-efficient automatic enters axle frock |
| CN204216761U (en) * | 2014-10-23 | 2015-03-18 | 广西玉柴博耐特电器有限公司 | Accurate locate mode rotor enters axle frock |
| CN205051527U (en) * | 2015-10-23 | 2016-02-24 | 苏州斯奥克微电机制造有限公司 | Delicate income axle frock |
| CN205811806U (en) * | 2016-07-22 | 2016-12-14 | 利欧集团浙江泵业有限公司 | Electromotor rotor pressing frock |
| CN107863858A (en) * | 2017-12-08 | 2018-03-30 | 郑州德盛祥电机制造有限公司 | The assembly method of rotor and mandrel and the rotor shaft tooling for realizing this method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108667239A (en) | 2018-10-16 |
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