CN208257090U - A kind of fixture of fixed commutator upper surface - Google Patents
A kind of fixture of fixed commutator upper surface Download PDFInfo
- Publication number
- CN208257090U CN208257090U CN201820617685.8U CN201820617685U CN208257090U CN 208257090 U CN208257090 U CN 208257090U CN 201820617685 U CN201820617685 U CN 201820617685U CN 208257090 U CN208257090 U CN 208257090U
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- Prior art keywords
- commutator
- groove
- fixture
- bakelite
- plush copper
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- 229920001342 Bakelite® Polymers 0.000 claims abstract description 48
- 239000004637 bakelite Substances 0.000 claims abstract description 48
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 43
- 229910052802 copper Inorganic materials 0.000 claims abstract description 41
- 239000010949 copper Substances 0.000 claims abstract description 41
- 230000007704 transition Effects 0.000 claims description 10
- 210000002421 cell wall Anatomy 0.000 claims description 3
- 238000003754 machining Methods 0.000 abstract description 7
- 238000000034 method Methods 0.000 description 6
- 238000001125 extrusion Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000005611 electricity Effects 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
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- Motor Or Generator Current Collectors (AREA)
Abstract
The utility model relates to a kind of fixtures of fixed commutator upper surface, it include: clamping part, its working face is equipped with the first groove compatible with the insulating body upper surface of commutator, the commutator positioning surface that the slot bottom of first groove has the holding part for the bakelite plush copper for accommodating the insulating body upper surface and fits with the insulating body end face being located on the outside of the bakelite plush copper.It solves in the prior art because the bakelite plush copper position using commutator is as positioning surface, the bakelite burr of the counterbore open edge position of bakelite plush copper will affect the positioning accuracy of commutator, thus the problem of further influencing commutator machining accuracy.
Description
Technical field
The utility model relates to field of fixtures, and in particular to a kind of fixture of fixed commutator upper surface.
Background technique
Commutator is commonly called as commutator, plays the role of commutation in motor rotation, is that direct current generator and AC commutator are electronic
The important component of armature.Commutator includes the commutator base of column structure and changing in commutator base circumferential direction
To piece, the upper surface of commutator has bakelite plush copper, when needing the lower end surface to commutator to be machined, such as in processing
It needs to carry out clamping to commutator when hole or annular groove to fix, those skilled in the art need to carry out clamping to commutator to fix.
Commutator as shown in Figure 4 comprising by the commutator base 101 and setting of extrusion moulding in commutator base
Commutator segment 102 on 101, commutator have upper surface 103 and lower end surface 104, and have bakelite plush copper on the upper surface 103
105, it is additionally provided with by way of extrusion moulding along the molding counterbore 106 of commutator length direction in the bakelite plush copper 105.
When the lower end surface 104 to commutator processes, need that commutator base 101 is fixed on the positioning, it is existing
Positioning method in technology be commutator is positioned by the way that the bakelite plush copper 105 of commutator upper surface 103 is arranged in, thus
Determine that it is fixed in the position of commutator.But the opening of the counterbore 106 during extrusion moulding of commutator base 101
Marginal position is unavoidable to will appear burr, even if also can not accurately remove counterbore using grinding or manual modified mode
The burr of 106 open edges, burr can be largely affected by the positioning accuracy of commutator to influence commutator machining accuracy.
New content
Therefore, the technical problem to be solved by the present invention is to overcome in the prior art by being arranged in commutator upper end
When the bakelite plush copper in face positions commutator, the open edge position meeting of commutator base counterbore during extrusion moulding
There is the problem of burr, burr can seriously affect the positioning accuracy of commutator and then influence commutator machining accuracy.On solving
State technological deficiency, a kind of fixture of fixed commutator upper surface provided by the utility model, comprising:
Clamping part, working face be equipped with the first groove compatible with the insulating body upper surface of commutator, described first
The slot bottom of groove have the bakelite plush copper for accommodating the insulating body upper surface holding part and be located at the bakelite plush copper
The commutator positioning surface that the insulating body end face in outside fits.
There is relative gap between the holding part and the bakelite plush copper.
The holding part is the through-hole through the clamping part, and the through-hole allows rotor to pass through.
The clamping part has the second groove for accommodating commutator segment on the commutator, second groove with it is described
First groove is connected to and is in that dispersed interval is arranged along its circumferential direction.
Second groove has the extension for extending to the commutator positioning surface.
First groove is circular trough compatible with the bakelite plush copper shape, and second groove is to change with described
To the compatible strip groove of plate shape.
Annular convex platform is provided in the circumferential direction of the insulating body, the cell wall of first groove is equipped with described in accommodating
The annular groove of annular convex platform.
The clamping part is spring chuck, and the clamping part is connected with force application part, and the force application part is towards the folder
Biasing force of portion's application towards the insulating body side is held, the clamping part is made to clamp commutator.
The fixture of fixed commutator upper surface includes the transition part being connected between the clamping part and the force application part
Part forms several strip grooves on the periphery of the transition member, and the strip groove is along the transition member) axial direction prolong
Extend to the working face of the clamping part.
The clamping part is column compatible with the commutator outer contour shape, and the working face is arranged described
Wherein one end of column.
Technical solutions of the utility model have the advantages that
1. the fixture of fixed commutator upper surface provided by the utility model, passes through will be used to position commutator
Positioning surface is changed to from the bakelite plush copper position of commutator by the insulating body endface position on the outside of bakelite plush copper, thus effectively
The counterbore of commutator segment bakelite plush copper in the prior art is avoided not can avoid the open edge position of counterbore upper end in forming process
Will appear bakelite burr, bakelite burr will affect fixture to the positioning accuracy of commutator, even if in the prior art using grinding
Or modified mode also can not accurately remove the burr of counterbore open edge by hand, using bakelite plush copper position to commutator into
Above-mentioned burr can be largely affected by the positioning accuracy of commutator to further influence commutator machining accuracy when row positioning,
And using the insulating body endface position on the outside of bakelite plush copper as commutator positioning surface in the application, above-mentioned position is one smooth
Plane is not in burr problem, and its area is larger is conducive to operator and installs place commutator, improves commutator
Machining accuracy.
2. the fixture of fixed commutator upper surface provided by the utility model, by bakelite plush copper and being arranged on fixture
Relative gap, the relative gap between bakelite plush copper and holding part are set between holding part the two for accommodating bakelite plush copper
The electricity of bakelite burr and bakelite plush copper corner location that the positioning surface of fixture can be made to avoid positioned at counterbore open edge position
The wooden burr, to guarantee the positioning accuracy of fixture.
3. the fixture of fixed commutator upper surface provided by the utility model, by the way that holding part to be set as pressing from both sides through fixture
The through-hole in portion is held, holding part both can be in contact and can also pass through for rotor to avoid with bakelite plush copper, make the structure of fixture more
Simply.
4. the fixture of fixed commutator upper surface provided by the utility model, by having in clamping part setting for accommodating
The second groove of commutator segment contact, solves the problems, such as the accommodating of the commutator of commutator, adds to commutator on commutator
Above-mentioned second groove plays the protective effect to commutator segment during work, has ensured the yields of commutator.
5. the fixture of fixed commutator upper surface provided by the utility model, by for accommodating commutator segment contact
The extension extended towards commutator positioning surface is arranged in two grooves, and the contact of commutator segment is avoided to influence the positioning of commutator positioning surface
Precision, to further increase the positioning accuracy of fixture.
6. the fixture of fixed commutator upper surface provided by the utility model, by the fixture that will fix commutator upper surface
It is designed as spring chuck, force application part applies the biasing force towards insulating body side towards clamping part, changes clamping part clamping
To device, by being carried out using the insulating body endface position on the outside of bakelite plush copper as commutator positioning surface to commutator in this programme
Positioning, then commutator is stepped up by spring chuck, spring chuck is used as in the application positioned by above-mentioned positioning surface, secondly
In two directions, spring chuck is not in the problem of causing biasing to the position of positioning surface, to make fixture in not shadow to person
Commutator is effectively clamped under the premise of ringing commutator positioning accuracy, improves the positioning accuracy of commutator.
7. the fixture of fixed commutator upper surface provided by the utility model, passes through the length in clamping part and transition member
Side sets up several strip grooves, and making to be designed as can be with the fixture of fixed commutator upper surface in the application of spring chuck
It is controlled by above-mentioned strip groove and clamps or decontrol commutator, it is simple and reliable to have the advantages that structure designs.
Detailed description of the invention
In order to illustrate more clearly of this practical utility model specific embodiment or technical solution in the prior art, below
Specific embodiment or attached drawing needed to be used in the description of the prior art will be briefly described, it should be apparent that, below
Attached drawing in description is some embodiments of this practical utility model, for those of ordinary skill in the art, is not being paid
Out under the premise of creative work, it can also be obtained according to these attached drawings other attached drawings.
Fig. 1 is provided by the utility model for fixing the fixture schematic perspective view of commutator upper surface；
Fig. 2 is shown in FIG. 1 for fixing the top view of the fixture of commutator upper surface；
Fig. 3 is the structural schematic diagram of commutator provided by the utility model；
Fig. 4 is commutator structure schematic diagram in the prior art with counterbore；
Description of symbols:
1- clamping part；2- commutator；3- insulating body；The first groove of 4-；5- bakelite plush copper；6- holding part；7- commutator
Positioning surface；8- commutator segment；The second groove of 9-；10- extension；11- annular groove；12- force application part；13- transition member；14- item
Shape slot；101- commutator base；102- commutator segment；The upper surface 103-；The lower end surface 104-；105- bakelite plush copper；106- counterbore.
Specific embodiment
Technical solution of the present invention is clearly and completely described below in conjunction with attached drawing, it is clear that described implementation
Example is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill
Personnel's every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, merely to
Convenient for description the present invention and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation,
It is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.In addition, term " first ", " second ",
" third " is used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
As long as in addition, the non-structure each other of technical characteristic involved in invention described below different embodiments
It can be combined with each other at conflict.
Embodiment 1
The clamp structure schematic diagram for being used to fix commutator upper surface as depicted in figs. 1 and 2, fixed commutator upper surface
Fixture, comprising:
Clamping part 1, working face at its upper end are equipped with the insulation base with cylindrical shape commutator 2 as shown in Figure 3
Compatible first groove 4 in 3 upper surface of body, the slot bottom of first groove 4 have the electricity for accommodating 3 upper surface of insulating body
The holding part 6 of the wooden plush copper 5 and the commutator to fit with 3 end face of the insulating body for being located at 5 outside of bakelite plush copper
Positioning surface 7, the holding part 6 are to allow the through-hole through the clamping part 1 that passes through of rotor, and the through-hole and the bakelite
There is relative gap between plush copper 5, the positioning surface of fixture can be made to avoid being located at counterbore open edge by above-mentioned relative gap
The bakelite burr of position and the bakelite burr of bakelite plush copper corner location.The commutator positioning surface 7 be and the commutator 2
The compatible annular horizontal surface in upper surface, the clamping part 1 have for accommodating 8 contact of commutator segment on the commutator 2
Second groove 9, it is in the spaced strip groove of dispersed that second groove 9 is circumferential along first groove 4, and described
Second groove 9 has the extension 10 for extending to the commutator positioning surface 7.Second groove solves the commutator of commutator
Accommodating problem plays the protective effect to commutator segment carrying out above-mentioned second groove in process to commutator, ensures
The yields of commutator.
Force application part 12 is connected by the transition member 13 of cylindrical shape with the other end of the clamping part 1, the mistake
It crosses on the periphery of component 13 and forms several strip grooves 14, axial direction of the strip groove 14 along the transition member 13
The working face of the clamping part 1 is extended to, the force application part 12 applies towards the clamping part 1 towards the insulating body 3
The biasing force of side makes the clamping part 1 clamp commutator 2.By will be used to fix the folder of commutator upper surface in the application
Tool is designed as spring chuck, and force application part applies the biasing force towards insulating body side towards clamping part, clamps clamping part
Commutator, in this programme by using the insulating body endface position on the outside of bakelite plush copper as commutator positioning surface to commutator into
Row positioning, then commutator is stepped up by spring chuck, spring chuck is used as in the application positioned by above-mentioned positioning surface,
In two directions, spring chuck is not in the problem of causing biasing to the position of positioning surface, to make fixture not to the two
It influences effectively to clamp commutator under the premise of commutator positioning accuracy, improves the positioning accuracy of commutator.
It is changed by the positioning surface that will be used to position commutator from the bakelite plush copper position of commutator in the application
For by the insulating body endface position on the outside of bakelite plush copper, to effectively avoid the heavy of commutator segment bakelite plush copper in the prior art
Hole open edge position of counterbore upper end in forming process is unavoidable to will appear bakelite burr, and bakelite burr will affect folder
Has the positioning accuracy to commutator, even if it is heavy to use grinding or manual modified mode also can not accurately remove in the prior art
The burr of hole open edge, above-mentioned burr, which can be largely affected by, when being positioned using bakelite plush copper position to commutator changes
To the positioning accuracy of device to further influence commutator machining accuracy, and by the insulating body on the outside of bakelite plush copper in the application
For endface position as commutator positioning surface, it is not in burr problem that above-mentioned position, which is a smooth plane, and its area compared with
Be conducive to operator greatly and placement commutator is installed, improves the machining accuracy of commutator.
In the present embodiment, annular convex platform is provided in the circumferential direction of the insulating body 3, first groove 4
Cell wall is equipped with the annular groove 11 for accommodating the annular convex platform.Above-mentioned annular groove 11 can be used for accommodating the boss of insulating body 3.
Certainly, the utility model is not especially limited the shape and structure of commutator, in other embodiments, described to change
It is towards the acclivitous inclined surface in 5 direction of bakelite plush copper, the commutator positioning to 3 upper surface of insulating body of device 2
Face 7 is annular ramp surface compatible with 2 upper surface of commutator.
Obviously, the above embodiments are merely examples for clarifying the description, and does not limit the embodiments.It is right
For those of ordinary skill in the art, can also make on the basis of the above description it is other it is various forms of variation or
It changes.There is no necessity and possibility to exhaust all the enbodiments.And it is extended from this it is obvious variation or
It changes among the protection scope created still in the utility model.
Claims (10)
1. a kind of fixture of fixed commutator upper surface characterized by comprising
Clamping part (1), working face are equipped with the first groove (4) compatible with insulating body (3) upper surface of commutator (2),
The slot bottom of first groove (4) have the holding part (6) for the bakelite plush copper (5) for accommodating insulating body (3) upper surface with
And the commutator positioning surface (7) to fit with the insulating body (3) end face being located on the outside of the bakelite plush copper (5).
2. the fixture of fixed commutator upper surface according to claim 1, it is characterised in that: the holding part (6) and institute
Stating has relative gap between bakelite plush copper (5).
3. the fixture of fixed commutator upper surface according to claim 2, it is characterised in that: the holding part (6) is to pass through
The through-hole of the clamping part (1) is worn, the through-hole allows rotor to pass through.
4. the fixture of fixed commutator upper surface according to any one of claim 1-3, it is characterised in that: the clamping
Portion (1) has the second groove (9) for accommodating commutator segment (8) on the commutator (2), second groove (9) with it is described
First groove (4) is connected and is in that dispersed interval is arranged along its circumferential direction.
5. the fixture of fixed commutator upper surface according to claim 4, it is characterised in that: the second groove (9) tool
There is the extension (10) for extending to the commutator positioning surface (7).
6. the fixture of fixed commutator upper surface according to claim 4, it is characterised in that: first groove (4) is
Circular trough compatible with bakelite plush copper (5) shape, second groove (9) are mutually to fit with the commutator segment (8) shape
The strip groove matched.
7. the fixture of fixed commutator upper surface according to claim 1, it is characterised in that: the insulating body (3)
Annular convex platform is provided in circumferential direction, the cell wall of first groove (4) is equipped with the annular groove for accommodating the annular convex platform
(11)。
8. the fixture of fixed commutator upper surface according to claim 1, it is characterised in that: the clamping part (1) is bullet
Property fixture, the clamping part (1) is connected with force application part (12), and the force application part (12) applies towards the clamping part (1)
Towards the biasing force of the insulating body (3) side, the clamping part (1) is made to clamp commutator (2).
9. the fixture of fixed commutator upper surface according to claim 8, it is characterised in that: including being connected to the clamping
Transition member (13) between portion (1) and the force application part (12), the transition member (13) if periphery on form
Dry strip groove (14), the work that axially extends to the clamping part (1) of the strip groove (14) along the transition member (13)
Make face.
10. the fixture of fixed commutator upper surface according to claim 1, it is characterised in that: the clamping part (1) be with
Wherein one end of the column is arranged in the compatible column of commutator (2) outer contour shape, the working face.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820617685.8U CN208257090U (en) | 2018-04-26 | 2018-04-26 | A kind of fixture of fixed commutator upper surface |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820617685.8U CN208257090U (en) | 2018-04-26 | 2018-04-26 | A kind of fixture of fixed commutator upper surface |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208257090U true CN208257090U (en) | 2018-12-18 |
Family
ID=64638297
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820617685.8U Active CN208257090U (en) | 2018-04-26 | 2018-04-26 | A kind of fixture of fixed commutator upper surface |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208257090U (en) |
-
2018
- 2018-04-26 CN CN201820617685.8U patent/CN208257090U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 518118 Kaizhong Precision 401, Building 1, Kaizhong Technology Factory, Zhukeng Community, Longtian Street, Pingshan District, Shenzhen City, Guangdong Province Patentee after: Shenzhen Kainan Intelligent Equipment Co.,Ltd. Address before: 518118 plant D, shenlanting science and Technology Industrial Zone, no.6, Qinglan 2nd Road, big industrial zone, Pingshan New District, Shenzhen City, Guangdong Province Patentee before: SHENZHEN KAINAN COMMUNTATOR Co.,Ltd. |