CN108233640B - Motor rotor commutator pressure equipment frock - Google Patents
Motor rotor commutator pressure equipment frock Download PDFInfo
- Publication number
- CN108233640B CN108233640B CN201810307846.8A CN201810307846A CN108233640B CN 108233640 B CN108233640 B CN 108233640B CN 201810307846 A CN201810307846 A CN 201810307846A CN 108233640 B CN108233640 B CN 108233640B
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- hole
- commutator
- rotor
- guide
- positioning seat
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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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/64—Electric machine technologies in electromobility
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Power Engineering (AREA)
- Manufacture Of Motors, Generators (AREA)
- Motor Or Generator Current Collectors (AREA)
Abstract
The invention discloses a press-fitting tool for a motor rotor commutator, which comprises an upper template, a lower template and a guide rod, wherein a pressure spring is sleeved on the guide rod; a base is arranged on the lower template, a commutator positioning seat is arranged on the top surface of the base, a circular stepped hole is arranged in the center of the base, the lower template is divided into an upper hole and a lower hole, and the diameter of the upper hole is larger than that of the lower hole; the commutator positioning seat is provided with a plurality of rotor guide blocks beside the stepped hole, the rotor guide blocks are uniformly distributed around the center shaft of the stepped hole in the circumferential direction, and the inner side wall of each rotor guide block facing the center shaft of the stepped hole is longitudinally provided with a first convex rib with a shape matched with that of a rotor groove; the inner side wall of the upper hole of the stepped hole is provided with a second convex rib with a shape which is matched with that of the commutator groove; the commutator positioning seat is provided with a mounting hole for inserting the rotor guide block, and the shape of the mounting hole is adapted to the rotor guide block. The invention has high press fitting precision and low processing difficulty, can effectively reduce cost, improves production efficiency and is convenient to detach.
Description
Technical Field
The invention belongs to the technical field of motor assembly, and particularly relates to a motor rotor commutator press-fitting tool.
Background
The existing commutator pressing mode adopts the positioning of a rotor groove and a commutator hook or the positioning of the commutator groove, and the commutator pressing angle deviation is caused by the reasons of loose wear of a tool and the like due to the tolerance of the commutator or rotor parts, so that the performance and consistency of a motor are affected; .
Disclosure of Invention
Aiming at the defects existing in the prior art, the invention provides the motor rotor commutator press-fitting tool which has high press-fitting precision, low processing difficulty, capability of effectively reducing cost, improvement of production efficiency and convenience in disassembly.
The press-fitting tool for the motor rotor commutator comprises an upper template and a lower template, wherein the upper template and the lower template are connected through at least two guide rods; the lower end of the guide rod is fixed on the lower die plate, and the upper end of the guide rod passes through a guide rod through hole which is arranged on the upper die plate and is adapted to the guide rod; a pressure spring is sleeved on the guide rod between the upper template and the lower template; the lower die plate is provided with a base, the top surface of the base is provided with a commutator positioning seat, the center of the commutator positioning seat is provided with a circular stepped hole, the stepped hole is divided into an upper hole and a lower hole, the diameter of the upper hole of the stepped hole is larger than that of the lower hole, the upper hole is used for positioning the commutator, and the lower hole is used for accommodating the rotor shaft; the commutator positioning seat is provided with a plurality of rotor guide blocks beside the stepped hole, the rotor guide blocks are uniformly distributed in the circumferential direction around the central axis of the stepped hole, the inner side wall of each rotor guide block facing the central axis of the stepped hole is longitudinally provided with a first convex rib for positioning the rotor groove, and the shape of the first convex rib is adapted to the rotor groove; the inner side wall of the upper hole of the stepped hole is provided with a second convex rib for positioning the commutator, and the shape of the second convex rib is adapted to the shape of the commutator groove; the commutator positioning seat is provided with a mounting hole for vertically inserting the rotor guide block, and the shape of the mounting hole is matched with that of the rotor guide block.
Further, the inner side wall of the rotor guide block is in a circular arc shape, and the circle center of the circular arc shape is on the center axis of the stepped hole.
Further, the rotor guide blocks are identical in shape and have sector-shaped cross sections.
Further, a separable commutator guide block is further arranged in the commutator positioning seat, a vertically upward protruding portion is arranged on the upper surface of the commutator guide block, a gap for the protruding portion to be inserted is formed in the commutator positioning seat, and the protruding portion protrudes out of the upper hole after being inserted into the gap to form the second protruding edge.
Further, a transverse through groove penetrating through the lower hole is formed in the lower portion of the commutator positioning seat, and the width of the through groove is larger than the diameter of the lower hole; the commutator guide block is arranged in the through groove, and a rotor shaft through hole which corresponds to and extends the lower hole is formed in the middle of the commutator guide block.
Further, the center of the base is provided with a groove which corresponds to the lower hole and has an area larger than the cross section of the lower hole, the groove is internally provided with a separable limiting block which is adaptive to the shape of the groove, and the height of the limiting block is not larger than the depth of the groove.
Further, a guide sleeve is further sleeved on the guide rod, the guide sleeve is installed on the inner side wall of the guide rod through hole, one end of the pressure spring is arranged on the lower die plate, and the other end of the pressure spring abuts against the lower end face of the guide sleeve.
Compared with the prior art, the invention has the following beneficial effects:
1. the rotor groove and the commutator groove are respectively positioned through the guiding press fitting of the multiple guide rods and the first convex edges and the second convex edges, so that the press fitting precision of the commutator is improved, the risk of poor product performance caused by angle deviation, size out-of-tolerance and the like is avoided, and the disposable qualification rate and the production efficiency are improved;
2. the second convex edges are separated from the commutator positioning seat and are independently arranged on the commutator guide blocks, so that on one hand, the processing difficulty can be remarkably reduced, and on the other hand, different commutator guide blocks can be replaced according to different commutators without replacing the whole commutator positioning seat, and the cost is further reduced;
3. the rotor guide block is matched with the commutator positioning seat to position the commutator guide block, so that the commutator positioning seat is accurate in positioning and convenient to detach;
4. the rotor shaft is limited by the detachable limiting block, and the insertion depth of the rotor shaft can be controlled by replacing the limiting blocks with different heights without replacing the base, so that the cost can be saved.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic view of the structure of the base and the commutator positioning seat of the present invention;
fig. 3 is an exploded view of the structure of fig. 2.
The device comprises an upper template 1, a guide rod through hole 11, a lower template 2, a guide rod 3, a guide sleeve 31, a pressure spring 4, a base 5, a groove 51, a limiting block 52, a commutator positioning seat 6, an upper hole 61, a lower hole 62, a rotor guide block 63, a first rib 64, a second rib 65, a mounting hole 66, a commutator guide block 67, a boss 68, a through groove 69, a rotor shaft through hole 610 and a pressing block 7.
Detailed Description
The invention is further described with reference to the following detailed drawings in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the implementation of the invention easy to understand.
The press-fitting tool for the motor rotor commutator comprises an upper die plate 1 and a lower die plate 2, wherein the upper die plate 1 and the lower die plate 2 are connected through at least two guide rods 3; the lower end of the guide rod 3 is fixed on the lower die plate 2, and the upper end of the guide rod 3 passes through a guide rod through hole 11 which is arranged on the upper die plate 1 and is adaptive to the guide rod 3; a pressure spring 4 is sleeved on the guide rod 3 between the upper die plate 1 and the lower die plate 2; the lower die plate 2 is provided with a base 5, the top surface of the base 5 is provided with a commutator positioning seat 6, the center of the commutator positioning seat 6 is provided with a circular stepped hole, the stepped hole is divided into an upper hole 61 and a lower hole 62, the diameter of the upper hole 61 of the stepped hole is larger than that of the lower hole 62, the upper hole 61 is used for fixing a commutator, and the lower hole 62 is used for accommodating a rotor shaft; the commutator positioning seat 6 is provided with a plurality of rotor guide blocks 63 beside the stepped hole, the rotor guide blocks 63 are uniformly distributed along the circumferential direction around the central axis of the stepped hole, the inner side wall of each rotor guide block 63 facing the central axis of the stepped hole is longitudinally provided with a first convex rib 64 for fixing a rotor groove, and the shape of the first convex rib 64 is matched with that of the rotor groove; the inner side wall of the upper hole 61 of the stepped hole is provided with a second convex rib 65 for positioning the commutator, and the shape of the second convex rib 65 is adapted to the commutator groove; the commutator positioning seat 6 is provided with a mounting hole 66 for vertically inserting the rotor guide block 63, and the shape of the mounting hole 66 is adapted to the rotor guide block 63. The upper template 1 is also provided with a pressing block 7 corresponding to the position of the commutator positioning seat 6. The base 5 and the commutator positioning seat 6 can be fixedly connected through bolts.
When the tooling is used for pressing the motor rotor into the commutator, the commutator is firstly placed into the upper hole under the positioning of the second convex edge, then the rotor groove is inserted between the rotor guide blocks along the first convex edge, and at the moment, the rotor shaft corresponds to the position of the inner hole of the commutator under the positioning of the first convex edge and the second convex edge. When an external force is applied to enable the pressing block to downwards press along with the upper die plate, the rotor shaft continues to downwards extend into the inner hole of the commutator until the base stops pressing down, and therefore the motor rotor is pressed into the commutator. When the external force is removed after the press fitting is finished, the upper die plate is reset under the elastic action of the pressure spring, so that the next press fitting operation is convenient.
According to the invention, the first convex rib and the second convex rib are adopted to position the rotor groove and the commutator groove respectively, the press mounting precision of the commutator is improved through the guiding press mounting of the multiple guide rods, and the risk of poor product performance caused by angle deviation or over-tolerance in size and the like is avoided.
As a further optimized scheme, the inner side wall of the rotor guide block 63 is in a circular arc shape with the center of the circle on the center axis of the stepped hole.
Thus, the rotor can be positioned more stably by the arc-shaped inner side wall as well as the convex edge.
As a further optimized solution, the rotor guide blocks 63 have the same shape and a sector-shaped cross section.
Therefore, the rotor guide block can be processed more conveniently, and the cost is effectively reduced.
As a further optimized scheme, a separable commutator guide block 67 is further arranged in the commutator positioning seat 6, a vertically upward protruding portion 68 is arranged on the upper surface of the commutator guide block 67, a gap for inserting the protruding portion 68 is formed in the commutator positioning seat 6, and a portion, protruding from the upper hole 61 after the protruding portion 68 is inserted into the gap, forms the second protruding rib 65.
Therefore, the second convex edges are separated from the commutator positioning seat and are independently arranged on the commutator guide blocks, so that the processing difficulty can be remarkably reduced, and on the other hand, different commutator guide blocks can be replaced according to different commutators without replacing the whole commutator positioning seat, so that the cost is saved.
In particular, a transverse through groove 69 penetrating through the lower hole 62 is formed at the lower part of the commutator positioning seat 6, and the width of the through groove 69 is larger than the diameter of the lower hole 62; the commutator guide blocks 67 are arranged in the through grooves 69, and the shapes of the two side surfaces along the length direction of the through grooves 69 are matched with the inner side walls of the rotor guide blocks 63; the middle part of the commutator guide block 67 is provided with a rotor shaft through hole 610 corresponding to and extending the lower hole 62.
Therefore, the rotor guide block is matched with the commutator positioning seat to position the commutator guide block, and the commutator positioning seat is accurate in positioning and convenient to detach.
As a further optimized scheme, a groove 51 corresponding to the lower hole 62 and having an area larger than the cross section of the lower hole 62 is provided in the center of the base 5, a separable limiting block 52 corresponding to the shape of the groove 51 is provided in the groove 51, and the height of the limiting block 52 is not larger than the depth of the groove 51.
Therefore, the rotor shaft can be limited through the detachable limiting block, and the control of the insertion depth of the rotor shaft can be further realized through replacing the limiting blocks with different heights without replacing the base, so that the cost can be saved.
As a further optimized scheme, the guide rod 3 is further sleeved with a guide sleeve 31, the guide sleeve 31 is mounted on the inner side wall of the through hole of the guide rod 3, one end of the pressure spring 4 is arranged on the lower die plate 2, and the other end of the pressure spring abuts against the lower end face of the guide sleeve 31. The guide sleeve can reduce friction and vibration, so that the pressing operation is more stable and smooth.
The foregoing is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the foregoing embodiment, and all technical solutions belonging to the principles of the present invention are within the protection scope of the present invention. Modifications which would occur to those skilled in the art without departing from the principles of the invention are also intended to be included within the scope of the invention.
Claims (4)
1. A motor rotor commutator pressure equipment frock, its characterized in that: the device comprises an upper template and a lower template, wherein the upper template and the lower template are connected through at least two guide rods; the lower end of the guide rod is fixed on the lower die plate, and the upper end of the guide rod passes through a guide rod through hole which is arranged on the upper die plate and is adapted to the guide rod; a pressure spring is sleeved on the guide rod between the upper template and the lower template; the lower die plate is provided with a base, the top surface of the base is provided with a commutator positioning seat, the center of the commutator positioning seat is provided with a circular stepped hole, the stepped hole is divided into an upper hole and a lower hole, the diameter of the upper hole of the stepped hole is larger than that of the lower hole, the upper hole is used for positioning the commutator, and the lower hole is used for accommodating the rotor shaft; the commutator positioning seat is provided with a plurality of rotor guide blocks beside the stepped hole, the rotor guide blocks are uniformly distributed in the circumferential direction around the central axis of the stepped hole, the inner side wall of each rotor guide block facing the central axis of the stepped hole is longitudinally provided with a first convex rib for positioning the rotor groove, and the shape of the first convex rib is adapted to the rotor groove; the inner side wall of the upper hole of the stepped hole is provided with a second convex rib for positioning the commutator, and the shape of the second convex rib is adapted to the shape of the commutator groove; the commutator positioning seat is provided with a mounting hole for vertically inserting the rotor guide block, and the shape of the mounting hole is matched with that of the rotor guide block; the commutator positioning seat is internally provided with a separable commutator guide block, the upper surface of the commutator guide block is provided with a vertically upward protruding part, the commutator positioning seat is provided with a gap for the protruding part to be inserted, and the protruding part protrudes out of the upper hole after being inserted into the gap to form the second convex edge; the lower part of the commutator positioning seat is provided with a transverse through groove penetrating through the lower hole, and the width of the through groove is larger than the diameter of the lower hole; the commutator guide block is arranged in the through groove, and a rotor shaft through hole which corresponds to and extends the lower hole is formed in the middle of the commutator guide block; the inner side wall of the rotor guide block is in a circular arc shape with the center of the circle on the center axis of the stepped hole.
2. The tooling for press fitting of a motor rotor commutator as defined in claim 1, wherein:
the rotor guide blocks are identical in shape, and the cross sections of the rotor guide blocks are sector-ring-shaped.
3. The tooling for press fitting of a motor rotor commutator as defined in claim 1, wherein:
the base center be equipped with the lower hole corresponds and the area is greater than lower hole cross section's recess, be equipped with in the recess with separable stopper that recess shape suited, the height of stopper is not greater than the degree of depth of recess.
4. The tooling for press fitting of a motor rotor commutator as defined in claim 1, wherein:
the guide rod is further sleeved with a guide sleeve, the guide sleeve is mounted on the inner side wall of the guide rod through hole, one end of the pressure spring is arranged on the lower die plate, and the other end of the pressure spring abuts against the lower end face of the guide sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810307846.8A CN108233640B (en) | 2018-04-08 | 2018-04-08 | Motor rotor commutator pressure equipment frock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810307846.8A CN108233640B (en) | 2018-04-08 | 2018-04-08 | Motor rotor commutator pressure equipment frock |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108233640A CN108233640A (en) | 2018-06-29 |
| CN108233640B true CN108233640B (en) | 2023-08-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810307846.8A Active CN108233640B (en) | 2018-04-08 | 2018-04-08 | Motor rotor commutator pressure equipment frock |
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| CN (1) | CN108233640B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109175966B (en) * | 2018-11-01 | 2023-09-05 | 巨力自动化设备（浙江）有限公司 | ABS motor commutator couple pressure equipment mechanism |
| CN114952705A (en) * | 2021-09-28 | 2022-08-30 | 宜宾市创世纪机械有限公司 | Motor gear press-in device |
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| CN108233640A (en) | 2018-06-29 |
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