CN212653213U - Arc grinding device of motor brush holder device - Google Patents
Arc grinding device of motor brush holder device Download PDFInfo
- Publication number
- CN212653213U CN212653213U CN202020191934.9U CN202020191934U CN212653213U CN 212653213 U CN212653213 U CN 212653213U CN 202020191934 U CN202020191934 U CN 202020191934U CN 212653213 U CN212653213 U CN 212653213U
- Authority
- CN
- China
- Prior art keywords
- arc
- brush holder
- grinding
- output shaft
- sleeve
- Prior art date
- 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.)
- Active
Links
Images
Landscapes
- Motor Or Generator Current Collectors (AREA)
Abstract
The utility model discloses a device grinds arc device is held to motor brush, its technical essential is, including workstation, motor, fixed subassembly and grind the arc cover, the motor is fixed in on the workstation, the through-hole has been seted up on the fixed subassembly, the output shaft of motor passes the through-hole and stretches out outward to fixed subassembly, and a plurality of grind arc cover are installed on the output shaft, it is provided with along circumference to grind the arc cover and grinds the arc tooth. The outer cover of the arc grinding sleeve is provided with a dust cover, and the edge of the dust cover is fixed on the fixing component. The utility model discloses a set up the arc cover of grinding on the output shaft of motor and come to polish the brush bottom surface in the brush holder device, compare in prior art, greatly reduced operator's the work degree of difficulty and working strength. The abrasive arc sleeve is used for replacing abrasive paper, so that the roughness of the arc surface of the electric brush is improved, and the cost of the abrasive paper is saved. After the brush holder device is installed, all the electric brushes on the brush holder device can be ground at one time through a plurality of arc grinding sleeves arranged on the output shaft, and the arc grinding efficiency of the brush holder device is improved.
Description
Technical Field
The utility model relates to a motor brush holds arc field of grinding of device, concretely relates to motor brush holds arc device of grinding of device.
Background
At present, when an YZR112_400 series motor brush holder device is subjected to arc grinding, two methods are generally adopted, namely sand paper is fixed on a wood core through iron nails, and the brush holder device is manually held and controlled to grind the arc of the brush; secondly, the brush holder device is fixed, abrasive paper is padded between the electric brush and the wood core, the electric brush is arc-ground in a mode of manually pulling two sides of the abrasive paper up and down, and only one row of electric brushes (2 electric brushes) can be ground at one time.
The two methods are low in production efficiency, and the working strength of operators is high; and the installation position of the brush holder device does not accord with the position requirement of a design drawing, the radian and the angle finally ground on the electric brush have larger deviation with the radian and the angle specified by the design drawing, so that the contact area of the electric brush and the collecting ring can not meet the design requirement after the brush holder device is installed, and meanwhile, the roughness of the cambered surface ground by using abrasive paper is poor, so that the electric arc ablation phenomenon on the surface of the collecting ring is easily caused when a motor runs.
Disclosure of Invention
In view of the above-mentioned defect of prior art, the utility model aims to solve the technical problem that an arc grinding device of motor brush holder device is provided, it grinds brush holder device through setting up the arc grinding sleeve on the output shaft of motor, compares in prior art, greatly reduced operator's the work degree of difficulty and working strength.
In order to achieve the purpose, the utility model provides a motor brush holder device grind arc device, the technical means of adoption lies in, including workstation, motor, fixed subassembly and grind the arc cover, the motor is fixed in on the workstation, the through-hole has been seted up on the fixed subassembly, the output shaft of motor passes the through-hole and stretches out outward to fixed subassembly, and a plurality of arc cover of grinding are located on the output shaft.
As a further improvement of the utility model, the arc grinding sleeve is provided with arc grinding teeth along the circumferential direction.
As a further improvement of the utility model, the outer cover of the arc grinding sleeve is provided with a dust cover, and the edge of the dust cover is fixed on the fixed component.
As a further improvement of the utility model, the output shaft is provided with a spacer sleeve between adjacent arc grinding sleeves.
As a further improvement of the utility model, an initial sleeve is arranged on the output shaft between the arc grinding sleeve and the fixed component.
As a further improvement, the outer end of the arc grinding sleeve on the output shaft is provided with a pressing sleeve, and the end of the pressing sleeve is fixed on the end of the output shaft through a fastener.
As a further improvement, the arc grinding sleeve is fixed on the output shaft through a key.
As a further improvement of the present invention, the fixing member is composed of a first connecting plate, a second connecting plate and a connecting pipe, the first connecting plate and the second connecting plate are located on both sides of the connecting pipe to constitute the fixing member of the i-shape, and the inner cavity of the connecting pipe passes through the first connecting plate and the second connecting plate to constitute the through hole.
As a further improvement of the present invention, the dust cover is fixed to the first connection plate.
As a further improvement of the present invention, the fixing member is connected to the flange end cover of the motor through the second connecting plate.
The utility model discloses following technological effect has:
1. the utility model discloses an arc grinding device mainly adopts the motor, fixed subassembly and arc grinding sleeve combine to constitute, fixed subassembly is fixed on the flange end cover of motor through first connecting plate, the output shaft of motor passes fixed subassembly's second connecting plate in proper order, connecting pipe and first connecting plate and stretches out, on the output shaft was installed to the arc grinding sleeve, so ground the brush holder device through setting up the arc grinding sleeve on the output shaft of motor and polish, compare in prior art, greatly reduced operator's the work degree of difficulty and working strength.
2. The abrasive arc sleeve is used for replacing abrasive paper, so that the roughness of the arc surface of the electric brush is improved, and the cost of the abrasive paper is saved. After the brush holder device is installed, all the electric brushes (6 electric brushes) on the brush holder device can be ground at one time through a plurality of arc grinding sleeves arranged on the output shaft, so that the arc grinding efficiency of the brush holder device is improved;
3. because the brush holder device is completely installed on the arc grinding device according to the position requirement of a design drawing, the radian and the angle ground on the electric brush are completely the same as those specified by the design drawing, the contact area between the electric brush and the collecting ring can be ensured to meet the design requirement after the brush holder device is installed, and the arc precision of the electric brush is improved;
4. the utility model discloses a dust cover is established outside the arc grinding cover, can eliminate the harm of the carbon dust that the arc grinding process produced to the operator health and the pollution to the environment.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
as shown in the figure, 1 is a workbench, 2 is a first bolt, 3 is a motor, 4 is a fourth bolt, 5 is a fixed component, 6 is a second bolt, 7 is a third bolt, 8 is a brush holder device, 9 is a dust cover, 10 is a fastener, 11 is a pressing sleeve, 12 is a key, 13 is a middle sleeve, 14 is an arc grinding sleeve, 15 is an initial sleeve, 16 is a fixed sleeve, 51 is a first connecting plate, 52 is a second connecting plate, and 53 is a connecting pipe.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings: the present embodiment is implemented on the premise of the technical solution of the present invention, and a detailed implementation is given, but the scope of the present invention is not limited to the following embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "horizontal", "top", "bottom", "inner", "outer", "radial", "axial", "circumferential", and the like, indicate orientations and positional relationships based on the orientation or positional relationships shown in the drawings, and are used merely for convenience in describing the present invention and for simplifying the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention. It should be noted that unless otherwise expressly specified or limited, the terms "mounted," "connected," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral connections; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
Some exemplary embodiments of the invention have been described for illustrative purposes, and it is to be understood that the invention may be practiced otherwise than as specifically described.
Fig. 1 shows a schematic structural diagram of the present invention in an embodiment.
As shown in fig. 1, the utility model discloses a motor brush holder device's arc device that grinds, including workstation 1, motor 3, fixed subassembly 5 and grind arc cover 14, motor 3 is fixed in on workstation 1 through first bolt 2, the through-hole has been seted up on the fixed subassembly 5, motor 3's output shaft 31 passes the through-hole and stretches out outside fixed subassembly 5, and a plurality of arc cover 14 covers of grinding are located on output shaft 31, as shown in fig. 1, the equidistant 3 arc covers 14 that grind that are provided with on the display output shaft 31. The brush holder device 8 to be polished is fixed on the fixing component 5 through the second bolt 6, and the brush holder device 8 is located above the arc polishing sleeve 14 and matched with the arc polishing sleeve 14, so that the motor 1 is started, the arc polishing sleeve 14 is driven to rotate through the rotation of the output shaft 31, and the brush holder device 8 can be polished through the arc polishing sleeve 14.
In some embodiments, as shown in fig. 1, the grinding arc sleeve 14 may be provided with a plurality of grinding arc teeth along the circumferential direction, and in particular, sharp straight lines are formed on the outer circumferential surface of the grinding arc sleeve 14 by a straight line hobbing cutter with a pitch of 0.2mm, so that the brush holder device 8 is ground by the grinding arc teeth.
In a preferred embodiment, as shown in fig. 1, the grinding sleeve 14 is covered with a dust cover 9, and the edge of the dust cover 9 is fixed on the fixing component 5. So, block the dust that the in-process of polishing produced by the dust cover and splash everywhere, the clearance of being convenient for has improved the security of the operation of polishing simultaneously.
As shown in fig. 1, in some embodiments, a spacer 13 is disposed on the output shaft 31 between adjacent arc grinding sleeves 14, and the adjacent arc grinding sleeves 14 are divided by the spacer 13, so as to prevent the arc grinding sleeves 14 from interfering with each other during rotation to affect the grinding operation and cause the abrasion damage of the arc grinding sleeves 14. Since the grinding cup 14 needs to rotate the grinding brush holder 8, there is a certain space between the grinding cup 14 and the fixing member 5 so as not to prevent the fixing member 5 from obstructing the rotation of the grinding cup 14, and therefore, in some embodiments, a starting cup 15 is provided on the output shaft 31 between the grinding cup 14 and the fixing member 5. The starting sleeve 15 is at one end ground against the arc sleeve 14 and at the other end connected to the port of the connecting tube 53 by means of the fixed sleeve 16.
In order to prevent the arc grinding sleeve 14 from falling off from the output shaft 31, the arc grinding sleeve 14 cannot be arranged at the end of the output shaft 31, so a certain distance is reserved between the arc grinding sleeve 14 and the end of the output shaft 31, and in order to stably arrange the arc grinding sleeve 14 on the output shaft 31 and prevent the arc grinding sleeve 14 from axially moving on the output shaft 31, as shown in fig. 1, in some embodiments, a pressing sleeve 11 is arranged on the output shaft 31 at the outer end of the arc grinding sleeve 14, and the arc grinding sleeve 14 is clamped between the pressing sleeve 11 and the starting sleeve 15 by the cooperation of the pressing sleeve 11 and the starting sleeve 15, so that the arc grinding sleeve 14 is prevented from axially moving on the output shaft 31. The end of the pressing sleeve 11 is fixed to the end of the output shaft 31 by a fastener 10, and the fastener 10 may be a nut, so that the pressing sleeve 11 is tightly disposed on the output shaft 31, and the pressing sleeve 11 is carried by the output shaft 31.
As shown in fig. 1, in some embodiments, the arc runner 14 may be fixedly mounted on the output shaft 31 by a key 12.
As shown in fig. 1, in some embodiments, the fixing member 5 is composed of a first connecting plate 51, a second connecting plate 52 and a connecting tube 53, the first connecting plate 51 and the second connecting plate 52 are located at both sides of the connecting tube 53 to form an i-shaped fixing member 5, and an inner cavity of the connecting tube 53 passes through the first connecting plate 51 and the second connecting plate 52 to form a through hole, so that the output shaft 31 passes through the through hole and protrudes out of the first connecting plate 51. The second connecting plate 52 is connected with the flange end cover of the motor 3 through the fourth bolt 4, and the dust cover 9 is fixed on the first connecting plate 51 through the third bolt 7.
The above description is only the preferred embodiments of the present invention, and these embodiments are all based on the present invention, and the protection scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. The utility model provides an arc grinding device of motor brush holder device, its characterized in that includes workstation (1), motor (3), fixed subassembly (5) and grinds arc cover (14), motor (3) are fixed in on workstation (1), the through-hole has been seted up on fixed subassembly (5), output shaft (31) of motor (3) pass the through-hole and stretch out to fixed subassembly (5) outward, and a plurality of arc grinding covers (14) cover are located on output shaft (31).
2. An arc-grinding device of a brush holder device of an electric motor according to claim 1, characterized in that the arc-grinding sleeve (14) is provided with arc-grinding teeth along the circumferential direction.
3. An electric motor brush holder assembly arcing device according to claim 1, wherein said arcing sleeve (14) is covered by a dust cover (9), and the edge of said dust cover (9) is fixed to the fixing member (5).
4. An arc-grinding device of a brush holder device of an electric motor according to claim 1, characterized in that the output shaft (31) is provided with a spacer sleeve (13) between adjacent arc-grinding sleeves (14).
5. An electric motor brush holder assembly sharpening device according to claim 1, characterized in that the output shaft (31) is provided with a starting sleeve (15) between the sharpening sleeve (14) and the fixed assembly (5).
6. The arc grinding device of the motor brush holder device according to claim 1, wherein the output shaft (31) is provided with a pressing sleeve (11) at the outer end of the arc grinding sleeve (14), and the end of the pressing sleeve (11) is fixed at the end of the output shaft (31) through a fastener (10).
7. The arc grinding device of the motor brush holder device according to claim 3, wherein the fixing assembly (5) is composed of a first connecting plate (51), a second connecting plate (52) and a connecting pipe (53), the first connecting plate (51) and the second connecting plate (52) are positioned at both sides of the connecting pipe (53) to form an I-shaped fixing assembly (5), and the inner cavity of the connecting pipe (53) penetrates through the first connecting plate (51) and the second connecting plate (52)) to form a through hole.
8. An arc grinding device of a brush holder device of an electric motor according to claim 7, wherein said dust cover (9) is fixed to said first connecting plate (51).
9. An arc-grinding device of a brush holder device of an electric motor as claimed in claim 7, characterized in that the fixing component (5) is connected with a flange end cover of the electric motor (3) through a second connecting plate (52).
10. An electric motor brush holder assembly sharpening device according to any one of claims 1-9, characterized in that the sharpening sleeve (14) is fixed to the output shaft (31) by means of a key (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020191934.9U CN212653213U (en) | 2020-02-21 | 2020-02-21 | Arc grinding device of motor brush holder device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020191934.9U CN212653213U (en) | 2020-02-21 | 2020-02-21 | Arc grinding device of motor brush holder device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212653213U true CN212653213U (en) | 2021-03-05 |
Family
ID=74765267
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020191934.9U Active CN212653213U (en) | 2020-02-21 | 2020-02-21 | Arc grinding device of motor brush holder device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212653213U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113206419A (en) * | 2021-04-29 | 2021-08-03 | 北京航天新立科技有限公司 | Device for improving arc grinding efficiency of collector ring electric brush and application method thereof |
-
2020
- 2020-02-21 CN CN202020191934.9U patent/CN212653213U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113206419A (en) * | 2021-04-29 | 2021-08-03 | 北京航天新立科技有限公司 | Device for improving arc grinding efficiency of collector ring electric brush and application method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN212653213U (en) | Arc grinding device of motor brush holder device | |
| CN114603467B (en) | Polishing and grinding device for engine cylinder end cover | |
| CN203305001U (en) | Cylindrical grinding machine clamping mechanism | |
| CN209256517U (en) | A kind of internal grinder of heavy caliber seamless steel pipe | |
| CN202144033U (en) | Match grinding forming device for conical external circle | |
| CN202479935U (en) | Pneumatic end face type bowl-shaped grinder | |
| CN203901035U (en) | Multifunctional automobile accessory polishing device | |
| CN208895756U (en) | A kind of hydraulic valve opening milling apparatus | |
| CN102950317B (en) | Toothed plate double surface groove edge milling machine milling head mechanism | |
| CN213647021U (en) | Compound electrode grinding machine | |
| CN203171368U (en) | Grinding device of bearing ring with large draw ratio | |
| CN205968552U (en) | Novel portable abrasive machining device | |
| CN205166563U (en) | Bent axle grinder | |
| CN210413982U (en) | Double-head floor type high-speed grinding machine | |
| CN207480273U (en) | A kind of dedusting of valve retainer and edge grinding device | |
| CN209319423U (en) | A kind of grinding device for the processing of fastener inner ring | |
| CN203210153U (en) | Live center sharpening device | |
| CN202763647U (en) | Cup body polisher | |
| CN205765298U (en) | Conic mandrel bar frock on grinding machine | |
| CN221517291U (en) | Electric grinding accessory for grinding welding rod | |
| CN210173139U (en) | Single-head floor type high-speed grinder | |
| CN213731124U (en) | Multifunctional pneumatic grinder | |
| CN202894442U (en) | Milling head mechanism of edge-milling machine for double-sided grooves of tooth-shaped plate | |
| CN216759214U (en) | Tool for finely machining inner surface of pipe fitting | |
| CN203804765U (en) | Grinding head unit applicable to circumference and end surface grinding |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |