CN214893041U - Rotor commutator declination verifying attachment - Google Patents
Rotor commutator declination verifying attachment Download PDFInfo
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- CN214893041U CN214893041U CN202121112626.3U CN202121112626U CN214893041U CN 214893041 U CN214893041 U CN 214893041U CN 202121112626 U CN202121112626 U CN 202121112626U CN 214893041 U CN214893041 U CN 214893041U
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- commutator
- iron core
- longitudinal
- positioning
- clamping portion
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Abstract
The utility model provides a rotor commutator declination verifying attachment includes commutator joint portion, location portion and iron core joint portion from the top down in proper order. When the commutator installing angle is used, the locating surface of the locating portion is overlapped on the upper edge of the iron core, the locating protrusion of the iron core clamping portion is inserted into the iron core groove, whether two aligning grooves of the commutator clamping portion correspond to two adjacent commutator grooves or not is observed, if the two aligning grooves correspond to the two adjacent commutator grooves, the commutator installing angle is expressed to meet the requirement, and if not, the commutator installing angle is expressed to not meet the requirement. The utility model is simple in operation, inspection efficiency is high.
Description
Technical Field
The utility model relates to a motor manufacturing field, more specifically relates to a rotor commutator declination verifying attachment.
Background
In the production of a motor, a commutator needs to be pressed on a rotor shaft, a certain angle requirement exists between the commutator and an iron core, and the angle needs to be detected in the actual production. In the prior art, an indexing measuring instrument or other angle measuring instruments are used for detection, and a checking device consisting of a plurality of parts can be manufactured for checking.
SUMMERY OF THE UTILITY MODEL
The utility model discloses an overcome above-mentioned prior art complex operation, the defect of inefficiency provides a rotor commutator declination verifying attachment, easy operation, inspection efficiency height.
In order to solve the technical problem, the technical scheme of the utility model as follows:
a rotor commutator declination angle inspection device sequentially comprises a commutator clamping part, a positioning part and an iron core clamping part from top to bottom;
one surface of the commutator clamping part facing the commutator is a plane, the middle part of the commutator clamping part is provided with a longitudinal arc-shaped groove, two longitudinal alignment grooves are arranged in the arc-shaped groove, and the included angle between the two longitudinal alignment grooves is consistent with the included angle between two adjacent commutator grooves of the commutator;
the positioning part is a transverse rectangular groove, and the upper wall of the rectangular groove is a positioning surface and is used for being lapped on the upper edge of the iron core to realize the positioning function;
the iron core clamping portion is characterized in that one surface, facing the iron core, of the iron core clamping portion is a plane, a longitudinal arc-shaped groove is formed in the middle of the iron core clamping portion, a longitudinal positioning protrusion is arranged in the middle of the arc-shaped groove, and the width of the positioning protrusion is smaller than or equal to the width of the iron core groove between two adjacent iron core teeth of the iron core.
Preferably, the included angle between the 2 longitudinal alignment grooves of the commutator segment is 30 degrees.
Preferably, the width of the alignment groove of the commutator segment is 0.66-0.68 mm.
Preferably, the top of the commutator clamping part is a plane, and an arc-shaped groove of the iron core clamping part and a longitudinal projection line of the positioning protrusion are drawn on the plane.
Preferably, two longitudinal through holes are formed at two ends of the projection line of the commutator clamping part.
Preferably, the diameter of the through hole is 2 mm.
Preferably, the middle part of the arc-shaped groove of the iron core clamping part is provided with a longitudinal rectangular groove, and the positioning bulge extends outwards from the bottom of the rectangular groove.
Preferably, the width of the longitudinal rectangular groove of the iron core clamping part is 4mm, and the width of the positioning protrusion is 2 mm.
Preferably, the width of the positioning protrusion is equal to the width of a core slot between two adjacent core teeth of the core.
Preferably, commutator joint portion, location portion and iron core joint portion formula structure as an organic whole. The integrated integral structure design is adopted, all the parts are a unified whole, the size of each key part is processed at one time, and the precision requirement of the key angle size is guaranteed.
Compared with the prior art, the utility model discloses technical scheme's beneficial effect is: the utility model provides a rotor commutator declination angle checking device, which comprises a commutator clamping part, a positioning part and an iron core clamping part from top to bottom in sequence; one surface of the commutator clamping part facing the commutator is a plane, the middle part of the commutator clamping part is provided with a longitudinal arc-shaped groove, two longitudinal alignment grooves are arranged in the arc-shaped groove, and the included angle between the two longitudinal alignment grooves is consistent with the included angle between two adjacent commutator grooves of the commutator; the positioning part is a transverse rectangular groove, and the upper wall of the rectangular groove is a positioning surface and is used for being lapped on the upper edge of the iron core to realize the positioning function; the iron core clamping portion is characterized in that one surface, facing the iron core, of the iron core clamping portion is a plane, a longitudinal arc-shaped groove is formed in the middle of the iron core clamping portion, a longitudinal positioning protrusion is arranged in the middle of the arc-shaped groove, and the width of the positioning protrusion is smaller than or equal to the width of the iron core groove between two adjacent iron core teeth of the iron core. When the commutator installing angle is used, the locating surface of the locating portion is overlapped on the upper edge of the iron core, the locating protrusion of the iron core clamping portion is inserted into the iron core groove, whether two aligning grooves of the commutator clamping portion correspond to two adjacent commutator grooves or not is observed, if the two aligning grooves correspond to the two adjacent commutator grooves, the commutator installing angle is expressed to meet the requirement, and if not, the commutator installing angle is expressed to not meet the requirement. The utility model is simple in operation, inspection efficiency is high.
Drawings
Fig. 1 is a schematic view of an assembly of a commutator and a core.
Fig. 2 is a top view of the commutator.
Fig. 3 is a top view of the core.
Fig. 4 is a top view of the assembled commutator and core.
Fig. 5 is a schematic diagram of a rotor commutator slip angle checking device.
Fig. 6 is a side view of the rotor commutator slip angle checking device.
Fig. 7 is a sectional view taken along line a-a of fig. 6.
Fig. 8 is a top view of the rotor commutator slip angle checking device.
Fig. 9 is a schematic use diagram of the rotor commutator slip angle checking device.
Wherein: 1. a commutator; 2. an iron core; 3. a rotor commutator declination angle inspection device; 301. a commutator clamping part; 3011. aligning the groove; 3012. projecting the line; 302. a positioning part; 3021. positioning the surface; 303. an iron core clamping part; 3031. and a positioning projection.
Detailed Description
The drawings are for illustrative purposes only and are not to be construed as limiting the patent;
for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product;
it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
The technical solution of the present invention will be further explained with reference to the accompanying drawings and examples.
Example 1
As shown in fig. 1 to 4, in the production of the motor, a certain angle is required between the assembled commutator 1 and the iron core 2. In this embodiment, a hook-shaped commutator with 12 hooks and an iron core with 12 teeth are taken as an example for description, an included angle between two adjacent commutator slots of the commutator 1 is 30 degrees, an included angle between two adjacent commutator hooks is also 30 degrees, the width of the commutator slot is 0.5mm, and the width of the commutator hook is 2 mm. The included angle between two iron core teeth of the iron core 2 is also 30 degrees, and the width of the iron core slot is 2 mm.
As shown in fig. 5 to 8, the present embodiment provides a rotor commutator drift angle inspection device 3, which sequentially includes a commutator clamping portion 301, a positioning portion 302, and an iron core clamping portion 303 from top to bottom;
one surface of the commutator clamping part 301 facing the commutator 1 is a plane, the middle part of the commutator clamping part is provided with a longitudinal arc-shaped groove, two longitudinal alignment grooves 3011 are arranged in the arc-shaped groove, and the included angle between the two longitudinal alignment grooves 3011 is consistent with the included angle between two adjacent commutator grooves of the commutator 1;
the positioning part 302 is a transverse rectangular groove, and the upper wall of the rectangular groove is a positioning surface 3021 for overlapping the upper edge of the iron core 2 to realize the positioning function;
one surface of the iron core clamping portion 303 facing the iron core is a plane, a longitudinal arc-shaped groove is formed in the middle of the iron core clamping portion, a longitudinal positioning protrusion 3031 is arranged in the middle of the arc-shaped groove, and the width of the positioning protrusion 3031 is smaller than or equal to the width of the iron core groove between two adjacent iron core teeth of the iron core 2.
As shown in fig. 9, when in use, the positioning surface 3021 of the positioning portion 302 is overlapped on the upper edge of the iron core 2, and the positioning protrusion 3031 of the iron core clamping portion 303 is inserted into the iron core slot, and it is observed whether the two alignment slots 3011 of the commutator clamping portion 301 correspond to the adjacent two commutator slots, if so, the mounting angle of the commutator 1 is satisfactory, otherwise, the mounting angle of the commutator 1 is unsatisfactory. The embodiment has simple operation and high inspection efficiency.
In a specific implementation process, an included angle between 2 longitudinal alignment slots 3011 of the commutator clip portion 301 is 30 degrees. It should be noted that different commutator 1 has different commutator groove included angles, and the included angle between the alignment grooves 3011 can be adjusted according to the included angle of the commutator groove to be checked in the actual production process.
In a specific implementation process, the width of the alignment slot 3011 of the commutator clip part 301 is 0.66-0.68 mm. Slightly wider than the width of the commutator slot (0.5 mm). The effect of such dimensioning is: due to the fact that a certain deviation exists in the allowed angle in production, the commutator slot is judged to be qualified as long as the commutator slot is qualified within the set deviation range, namely, the 0.5mm commutator slot does not exceed the alignment slot 3011 of 0.66-0.68mm in the inspection. For different sizes of commutator 1, the size can be adjusted accordingly.
In a specific implementation process, the top of the commutator clamping portion 301 is a plane, and an arc-shaped groove of the iron core clamping portion 303 and a longitudinal projection line 3012 of the positioning protrusion 3031 are drawn on the plane.
In a specific implementation process, two longitudinal through holes are formed at two ends of the longitudinal projection line 3012 of the commutator clamping portion 301. The diameter of the through hole is 2 mm. The design of through-hole is in order to be convenient for observing the iron core 2 and the matching condition of iron core joint portion 303 from the top, and another effect of 2 mm's through-hole design is: and the process hole is used for threading during the linear cutting processing.
In a specific implementation process, a longitudinal rectangular groove is formed in the middle of the arc-shaped groove of the iron core clamping portion 303, and the positioning protrusion 3031 extends outwards from the bottom of the rectangular groove.
In a specific implementation process, the width of the longitudinal rectangular groove of the iron core clamping portion 303 is 4mm, and the width of the positioning protrusion 3031 is 2 mm. For different sizes of cores 2, the size can be adjusted accordingly.
In a specific implementation process, the width of the positioning protrusion 3031 is equal to the width of the core slot between two adjacent core teeth of the core 2, i.e. 2mm, or slightly smaller than the width of the core slot between two adjacent core teeth, for example, 1.98 mm.
In a specific implementation process, the commutator clamping portion 301, the positioning portion 302 and the iron core clamping portion 303 are of an integrated structure. The integrated integral structure design is adopted, all the parts are a unified whole, the size of each key part is processed at one time, and the precision requirement of the key angle size is guaranteed.
The same or similar reference numerals correspond to the same or similar parts;
the terms describing positional relationships in the drawings are for illustrative purposes only and are not to be construed as limiting the patent;
it is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not limitations to the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (10)
1. A rotor commutator declination angle inspection device is characterized by sequentially comprising a commutator clamping part (301), a positioning part (302) and an iron core clamping part (303) from top to bottom;
one surface of the commutator clamping part (301) facing the commutator (1) is a plane, the middle part of the commutator clamping part is provided with a longitudinal arc-shaped groove, two longitudinal alignment grooves (3011) are arranged in the arc-shaped groove, and the included angle between the two longitudinal alignment grooves (3011) is consistent with the included angle between two adjacent commutator grooves of the commutator (1);
the positioning part (302) is a transverse rectangular groove, and the upper wall of the rectangular groove is a positioning surface (3021) which is used for being lapped on the upper edge of the iron core (2) to realize the positioning function;
one surface of the iron core clamping portion (303) facing the iron core (2) is a plane, a longitudinal arc-shaped groove is formed in the middle of the iron core clamping portion, a longitudinal positioning protrusion (3031) is arranged in the middle of the arc-shaped groove, and the width of the positioning protrusion (3031) is smaller than or equal to the width of the iron core groove between two adjacent iron core teeth of the iron core (2).
2. The rotor commutator skew angle inspection device of claim 1, wherein the included angle between 2 longitudinal alignment slots (3011) of the commutator clamping portion (301) is 30 degrees.
3. The rotor commutator skew angle inspection device of claim 1, wherein the width of the alignment slot (3011) of the commutator catching portion (301) is 0.66-0.68 mm.
4. The rotor commutator skew angle checking device according to claim 1, wherein the top of the commutator clamping portion (301) is a plane on which an arc-shaped groove of the iron core clamping portion (303) and a longitudinal projection line (3012) of the positioning protrusion (3031) are drawn.
5. The rotor commutator drift angle inspection device of claim 4, wherein the commutator clamping portion (301) is provided with two longitudinal through holes at two ends of the projection line (3012).
6. The rotor commutator skew angle inspection device of claim 5, wherein the diameter of the through-hole is 2 mm.
7. The rotor commutator skew angle inspection device of claim 1, wherein a longitudinal rectangular groove is formed in the middle of the arc-shaped groove of the core clamping portion (303), and the positioning protrusion (3031) extends outwards from the bottom of the rectangular groove.
8. The rotor commutator skew angle inspection device of claim 7, wherein the width of the longitudinal rectangular groove of the core engaging portion (303) is 4mm, and the width of the positioning protrusion is 2 mm.
9. The rotor commutator skew angle checking device according to claim 1, wherein the width of the positioning projection (3031) is equal to the width of a core slot between two adjacent core teeth of the core (2).
10. The rotor commutator skew angle inspection device of any one of claims 1 to 9, wherein the commutator clamping portion (301), the positioning portion (302) and the iron core clamping portion (303) are of an integral structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121112626.3U CN214893041U (en) | 2021-05-21 | 2021-05-21 | Rotor commutator declination verifying attachment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121112626.3U CN214893041U (en) | 2021-05-21 | 2021-05-21 | Rotor commutator declination verifying attachment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214893041U true CN214893041U (en) | 2021-11-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121112626.3U Active CN214893041U (en) | 2021-05-21 | 2021-05-21 | Rotor commutator declination verifying attachment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214893041U (en) |
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2021
- 2021-05-21 CN CN202121112626.3U patent/CN214893041U/en active Active
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