CN204992870U - Angle mill of dust -separation - Google Patents
Angle mill of dust -separation Download PDFInfo
- Publication number
- CN204992870U CN204992870U CN201520737348.9U CN201520737348U CN204992870U CN 204992870 U CN204992870 U CN 204992870U CN 201520737348 U CN201520737348 U CN 201520737348U CN 204992870 U CN204992870 U CN 204992870U
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- CN
- China
- Prior art keywords
- rotor
- brushless
- fuselage
- dust
- fixed
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- 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.)
- Expired - Fee Related
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- Motor Or Generator Frames (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The utility model discloses an angle mill of dust -separation relates to angle mill technical field, has solved the poor problem of current angle mill dust -separation effect. It includes the fuselage and fixes the aircraft nose at the fuselage front end, be equipped with polish wheel and protection casing on the aircraft nose, inside brushless motor and the circuit control subassembly of being equipped with of fuselage, the waist is equipped with the cage that is used for keeping apart brushless motor and circuit control subassembly, the pot head is equipped with the rotor dust cover behind brushless motor's the brushless rotor, the end of brushless rotor is fixed on the bearing, the cover is equipped with the bearing housing on the bearing, the cage is equipped with the annulus that extends to brushless rotor front end orientation on the border towards aircraft nose one side, the bearing housing is fixed in the annulus, the afterbody nestification of rotor dust cover is in the bearing housing, make the rear end and the inside isolation structure that forms of fuselage of brushless rotor. The utility model discloses an angle mill can guarantee through setting up the cage at the waist and establishing the rotor dust cover at the back pot head of brushless rotor that brushless motor has better dustproof effect.
Description
Technical field
The utility model relates to angle grinding machine technical field, is specifically related to a kind of angle grinding machine with better dust-proof effect.
Background technology
Angle grinding machine operationally can produce a large amount of dusts or particle, if dust or particle enter brushless electric machine, then can cause damage to stator winding or rotor windings, cause machine to quit work, and reduces the useful life of angle grinding machine.
Utility model content
In order to solve the defect that above-mentioned technology exists, the utility model provides a kind of angle grinding machine with better dust-proof effect.
The utility model realizes the technical scheme that above-mentioned technique effect adopts:
A kind of angle grinding machine of dust-separation, comprise fuselage and the head being fixed on front fuselage, described head is provided with grinding wheel and protective cover, the inside of described fuselage is provided with brushless electric machine and circuit controling assembly, wherein, the middle part of described fuselage is provided with the cage for isolating described brushless electric machine and described circuit controling assembly, the rear end of the brushless rotor of described brushless electric machine is arranged with rotor dust cover, the end of described brushless rotor is fixed on bearing, described bearing is arranged with bearing holder (housing, cover), described cage is provided with the annulus that extreme direction extends before described brushless rotor on the edge towards described head side, described bearing holder (housing, cover) is fixed in described annulus, the afterbody of described rotor dust cover is nested in described bearing holder (housing, cover).
The angle grinding machine of above-mentioned a kind of dust-separation, the stator front end of described brushless electric machine is provided with protecgulum, and the stator rear end of described brushless electric machine is provided with bonnet, and the front end of described brushless rotor is fixed with fan.
The angle grinding machine of above-mentioned a kind of dust-separation, be provided with the wheel shaft engaged with the front end of described brushless rotor in described head, described grinding wheel is fixed on the lower end of described wheel shaft, and described protective cover is fixed on the inner side of described head.
The beneficial effects of the utility model are: angle of the present utility model grinding machine, by arranging cage at waist and the sheathed rotor dust cover in the rear end of brushless rotor, can ensure that brushless electric machine has good dust-proof effect, extend the useful life of angle grinding machine.Fuselage overall structure is little, reliably portable, is easy to operation and uses.
Accompanying drawing explanation
Fig. 1 of the present utility modelly partly cuts open figure;
Fig. 2 is the explosive view of brushless electric machine described in the utility model;
Fig. 3 is the mode schematic diagram of II part in Fig. 1.
In figure: 1-fuselage, 2-head, 3-stator, 4-is brushless rotor, 5-wheel shaft, 6-grinding wheel, 7-protective cover, 8-cage, 9-bearing, 10-bearing holder (housing, cover), 11-rotor dust cover, 12-fan, 31-protecgulum, 32-bonnet, 81-annulus.
Embodiment
For making to do further to understand to the utility model, referring to Figure of description and specific embodiment, the utility model is described in further detail:
As shown in Figure 1 to Figure 3, a kind of angle grinding machine of dust-separation, comprise fuselage 1 and the head 2 being fixed on fuselage 1 front end, head 2 is removably connected to the front end of fuselage 1 by bolt.Head 2 is provided with grinding wheel 6 and protective cover 7, and the inside of fuselage 1 is provided with brushless electric machine and circuit controling assembly, and brushless electric machine is made up of stator 3 and brushless rotor 4, and stator 3 front end of brushless electric machine is provided with protecgulum 31, and rear end is provided with bonnet 32.Be provided with the wheel shaft 5 engaged with the front end of brushless rotor 4 in head 2, grinding wheel 6 is fixed on the lower end of wheel shaft 5, and protective cover 7 is fixed on the inner side of head 2, and the front end wheel rim dew of grinding wheel 6 is put outside.Wherein, improve as one of the present utility model, the middle part of fuselage 1 is provided with the cage 8 for isolating brushless electric machine and circuit controling assembly, and the rear end of brushless rotor 4 is arranged with rotor dust cover 11, the end of brushless rotor 4 is fixed on bearing 9, bearing 9 is arranged with bearing holder (housing, cover) 10.Cage 8 is provided with the annulus 81 that extreme direction extends before brushless rotor 4 on the edge towards head 2 side, bearing holder (housing, cover) 10 is fixed in this annulus 81, the afterbody of rotor dust cover 11 is nested in this bearing holder (housing, cover) 10, makes the rear end of brushless rotor 4 and fuselage 1 inside form isolation structure.For strengthening the heat dispersion of angle grinding machine, the front end of brushless rotor 4 is fixed with fan.Preferred as other, fuselage 1 also can be the package assembly of segmented, cage 8 by front fuselage and rear fuselage separated, brushless electric machine and circuit controling assembly is made to lay respectively in motor cavity and control circui chamber, avoid dust to enter brushless electric machine and circuit controling assembly, can prevent brushless electric machine and circuit controling assembly impaired.Fuselage overall structure is little, reliably portable, is easy to operation and uses.
More than show and describe general principle of the present utility model, principal character and advantage of the present utility model.The technical staff of the industry should understand; the utility model is not restricted to the described embodiments; the just principle of the present utility model described in above-described embodiment and specification; under the prerequisite not departing from the utility model spirit and scope, the utility model also has various changes and modifications; these changes and improvements all fall in claimed scope of the present utility model, and the protection range that the utility model requires is defined by appending claims and equivalent thereof.
Claims (3)
1. the angle grinding machine of a dust-separation, comprise fuselage and the head being fixed on front fuselage, described head is provided with grinding wheel and protective cover, the inside of described fuselage is provided with brushless electric machine and circuit controling assembly, it is characterized in that, the middle part of described fuselage is provided with the cage for isolating described brushless electric machine and described circuit controling assembly, the rear end of the brushless rotor of described brushless electric machine is arranged with rotor dust cover, the end of described brushless rotor is fixed on bearing, described bearing is arranged with bearing holder (housing, cover), described cage is provided with the annulus that extreme direction extends before described brushless rotor on the edge towards described head side, described bearing holder (housing, cover) is fixed in described annulus, the afterbody of described rotor dust cover is nested in described bearing holder (housing, cover).
2. the angle grinding machine of a kind of dust-separation according to claim 1, is characterized in that, the stator front end of described brushless electric machine is provided with protecgulum, and the stator rear end of described brushless electric machine is provided with bonnet, and the front end of described brushless rotor is fixed with fan.
3. the angle grinding machine of a kind of dust-separation according to claim 1, is characterized in that, be provided with the wheel shaft engaged with the front end of described brushless rotor in described head, described grinding wheel is fixed on the lower end of described wheel shaft, and described protective cover is fixed on the inner side of described head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520737348.9U CN204992870U (en) | 2015-09-19 | 2015-09-19 | Angle mill of dust -separation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520737348.9U CN204992870U (en) | 2015-09-19 | 2015-09-19 | Angle mill of dust -separation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204992870U true CN204992870U (en) | 2016-01-20 |
Family
ID=55127194
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520737348.9U Expired - Fee Related CN204992870U (en) | 2015-09-19 | 2015-09-19 | Angle mill of dust -separation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204992870U (en) |
-
2015
- 2015-09-19 CN CN201520737348.9U patent/CN204992870U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160120 Termination date: 20160919 |