CN220162178U - Polishing machine driving motor mounting structure - Google Patents
Polishing machine driving motor mounting structure Download PDFInfo
- Publication number
- CN220162178U CN220162178U CN202321402999.3U CN202321402999U CN220162178U CN 220162178 U CN220162178 U CN 220162178U CN 202321402999 U CN202321402999 U CN 202321402999U CN 220162178 U CN220162178 U CN 220162178U
- Authority
- CN
- China
- Prior art keywords
- bearing
- driving motor
- mounting plate
- polishing machine
- polishing
- 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
- 238000005498 polishing Methods 0.000 title claims abstract description 34
- 238000000034 method Methods 0.000 abstract description 5
- 230000007547 defect Effects 0.000 abstract description 3
- 238000009434 installation Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 230000003137 locomotive effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- 238000004018 waxing Methods 0.000 description 1
- 210000002268 wool Anatomy 0.000 description 1
Landscapes
- Motor Or Generator Frames (AREA)
Abstract
The utility model provides a polishing machine driving motor mounting structure, which aims at the defect that a mounting structure of a polishing machine driving motor and a bearing in the prior art is easy to damage the bearing in the mounting process, and belongs to the technical field of electric tools. The bearing is firstly arranged on the mounting plate, then the mounting plate is arranged on the rotating shaft of the driving motor through the shaft hole, and then the pressing device applies pressure on the bearing to enable the bearing to be in interference fit with the rotating shaft. The mounting mode can prevent the outer ring of the bearing from being stressed in the bearing pressing process, and the bearing cannot be damaged. Thereby improving the service life of the polishing machine.
Description
Technical Field
The utility model belongs to the technical field of electric tools, and particularly relates to a polishing machine driving motor mounting structure.
Background
Polishers, also known as grinders, are often used for mechanical grinding, polishing and waxing. The working principle is that the motor drives the sponge or wool polishing disc arranged on the polishing machine to rotate at high speed, and the polishing disc and the polishing agent jointly act and rub the surface to be polished, so that the purposes of removing paint surface pollution, oxide layers and shallow marks can be achieved. As shown in fig. 1, the mounting mode of the bearing is generally that the bearing is placed in the machine head shell, the rotating shaft of the driving motor is placed in the bearing, the other end of the driving motor is pressed into the bearing by the pressing device, and the tight fit between the rotating shaft and the bearing is realized, and the pressing mode has the following defects: the outer ring of bearing supports and leans on in the locomotive shell, and a downward force is given to the bearing inner ring when the axis of rotation pushes down, causes two opposite forces of formation direction between the outer ring of bearing and the inner ring, damages the bearing in the installation easily, causes equipment after leaving the factory life influenced problem.
Disclosure of Invention
The utility model provides a polishing machine driving motor mounting structure, which aims at the defect that a polishing machine driving motor and a bearing mounting structure in the prior art are easy to damage the bearing in the mounting process.
The utility model aims at realizing the following technical scheme: the utility model provides a polishing machine driving motor mounting structure, includes casing and polishing aircraft nose, be provided with driving motor in the casing, driving motor's axis of rotation front end is in deep into the polishing aircraft nose, is equipped with the mounting panel between casing and polishing aircraft nose, and the centre of a shaft of mounting panel is equipped with the shaft hole, still installs the bearing on the mounting panel, and the hole centre of a circle of bearing coincides with the centre of a circle in shaft hole, and the axis of rotation passes in shaft hole and the bearing is in deep into the polishing aircraft nose.
In the scheme, the bearing is firstly arranged on the mounting plate, then the mounting plate is arranged on the rotating shaft of the driving motor through the shaft hole, and then the pressing device applies pressure on the bearing to enable the bearing to be in interference fit with the rotating shaft. The mounting mode can prevent the outer ring of the bearing from being stressed in the bearing pressing process, and only the friction force between the inner ring of the bearing and the rotating shaft is generated, so that the bearing is not damaged. Thereby improving the service life of the polishing machine.
Preferably, a fan of the driving motor is located in the casing, and wind power of the fan is radially outwards. Rated heat emitted by the driving motor during operation is blown to the periphery of the shell through the fan and is discharged to the outside through the ventilation opening on the shell.
Preferably, the end face of the shell, facing the mounting plate, is provided with a first groove which is concave towards the tail end of the shell, the end face of the mounting plate, facing the shell, is provided with a second groove which is concave towards the polisher head, and the positions of the first groove and the second groove are corresponding to form an air outlet. The air outlet guides the wind of the fan to be discharged from the air outlet.
Preferably, the air outlets are positioned at the left side and the right side of the casing.
Preferably, the mounting plate comprises an outer ring, and a plurality of connecting ribs for connecting the outer ring and the shaft hole are arranged between the outer ring and the shaft hole and uniformly distributed on one circle of the shaft hole.
Preferably, a check ring is arranged on one surface of the mounting plate, on which the bearing is mounted, and the inner wall of the check ring is in interference fit with the outer ring of the bearing.
Preferably, the mounting plate is provided with a plurality of protruding blocks extending towards the direction of the shell towards one side of the shell, the position, corresponding to the protruding blocks, of the inner side of the shell is provided with a protruding block, and the protruding blocks are propped against the protruding block when the mounting plate and the shell are mounted in place. Plays a role in positioning and mounting.
Compared with the prior art, the utility model has the following beneficial effects: the bearing is firstly arranged on the mounting plate, then the mounting plate is arranged on the rotating shaft of the driving motor through the shaft hole, and then the pressing device applies pressure on the bearing to enable the bearing to be in interference fit with the rotating shaft. The mounting mode can prevent the outer ring of the bearing from being stressed in the bearing pressing process, and only the friction force between the inner ring of the bearing and the rotating shaft is generated, so that the bearing is not damaged. Thereby improving the service life of the polishing machine.
Drawings
FIG. 1 is a schematic diagram of a prior art drive motor and bearing installation;
FIG. 2 is a schematic diagram of the structure of the present utility model;
FIG. 3 is an exploded view of the present utility model;
FIG. 4 is a schematic structural view of a mounting plate;
FIG. 5 is a schematic view of another view of the mounting plate;
FIG. 6 is a schematic structural view of the housing;
fig. 7 is a schematic view of the installation of the drive motor and bearing of the present utility model.
The marks in the figure: 1. a pressing device; 2. a driving motor; 3. a bearing; 4. a head housing; 5. a housing; 6. a polisher head; 7. a mounting plate; 8. a shaft hole; 9. a retainer ring; 10. a fan; 11. a rotating shaft; 12. a bump; 13. a boss; 14. an air outlet; 15. an outer ring; 16. a connecting rib; 17. a first groove; 18. and a second groove.
Detailed Description
The utility model is further described below with reference to embodiments shown in the drawings in which:
as shown in fig. 2 and 3, a polishing machine driving motor mounting structure comprises a machine shell 5 and a polishing machine head 6, wherein a driving motor 2 is arranged in the machine shell 5, a fan 10 of the driving motor 2 is positioned in the machine shell 5, and wind power of the fan 10 is outwards in a radial direction. The front end of a rotating shaft 11 of the driving motor 2 stretches into the polisher head 6, a mounting plate 7 is arranged between the machine shell 5 and the polisher head 6, a shaft hole 8 is arranged in the middle of the mounting plate 7, a bearing 3 is further arranged on the mounting plate 7, the center of the circle of the inner hole of the bearing 3 is coincident with the center of the shaft hole 8, and the rotating shaft 11 stretches into the polisher head 6 through the shaft hole 8 and the bearing 3.
As shown in fig. 3 to 6, the end surface of the casing 5 facing the mounting plate 7 is provided with a first groove 17 recessed toward the tail end of the casing 5, the end surface of the mounting plate 7 facing the casing 5 is provided with a second groove 18 recessed toward the polisher head 6, and the positions of the first groove 17 and the second groove 18 are corresponding to form an air outlet 14. The air outlet 14 guides the wind of the fan 10 to be discharged from the air outlet 14. In this embodiment, two air outlets 14 are respectively located at the left and right sides of the casing 5.
The mounting plate 7 comprises an outer ring 15, a plurality of connecting ribs 16 for connecting the outer ring 15 and the shaft hole 8 are arranged between the outer ring 15 and the shaft hole 8, and the connecting ribs 16 are uniformly distributed on the periphery of the shaft hole 8. One surface of the mounting plate 7, on which the bearing 3 is mounted, is provided with a check ring 9, and the inner wall of the check ring 9 is in interference fit with the outer ring of the bearing 3.
As shown in fig. 5 and 6, the mounting plate 7 is provided with a plurality of protruding blocks 12 extending towards the direction of the casing 5 on one side of the casing 5, the inner side of the casing 5 is provided with a protruding block 13 corresponding to the protruding blocks 12, and the protruding blocks 12 are propped against the protruding blocks 13 when the mounting plate 7 and the casing 5 are mounted in place. Plays a role in positioning and mounting.
The installation of the driving motor 2 and the bearing 3 is shown in fig. 7, the bearing 3 is firstly pressed into the retainer ring 9 of the mounting plate 7 through the pressing device 1, then the rotating shaft 11 of the driving motor 2 vertically faces the pressing device 1, the bearing 37 is sleeved on the rotating shaft 11, and then the pressing device 1 is pressed onto the bearing 3, so that the bearing 3 and the rotating shaft 11 are in interference fit. When the bearing 3 is mounted on the retainer ring 9 on the mounting plate 7, the inner ring of the bearing 3 is not stressed, when the bearing 3 is mounted on the rotating shaft 11, the outer ring of the bearing 3 is not stressed, the outer ring and the inner ring of the bearing in the original mounting mode are not stressed at the same time, and the stress directions are opposite to each other, so that the shearing force is generated to damage the bearing.
After the rotation shaft 11 of the driving motor 2 and the bearing 3 are installed, the driving motor 2 is placed in the inner cavity of the casing 5, the outer ring 15 of the mounting plate 7 and the casing 5 are installed and fixed through bolts, 4 protruding blocks 12 are arranged on the mounting plate 7 for fast installing and fixing the mounting plate 7 and the casing 5, the 4 protruding blocks 12 respectively correspond to the boss 13 in the casing 5 during installation, and the protruding blocks 12 are abutted against the boss 13 to achieve fast positioning of the two.
The specific embodiments described herein are offered by way of example only to illustrate the spirit of the utility model. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the utility model or exceeding the scope of the utility model as defined in the accompanying claims.
Claims (7)
1. The utility model provides a polishing machine driving motor mounting structure, includes casing (5) and polishing aircraft nose (6), its characterized in that, be provided with driving motor in casing (5), in the rotation axis (11) front end of driving motor (2) goes deep into polishing aircraft nose (6), be equipped with mounting panel (7) between casing (5) and polishing aircraft nose (6), the centre of mounting panel (7) is equipped with shaft hole (8), still install bearing (3) on mounting panel (7), the hole centre of a circle of bearing (3) coincides with the centre of a circle of shaft hole (8), rotation axis (11) pass in shaft hole (8) and bearing (3) go deep into polishing aircraft nose (6).
2. The drive motor mounting structure of a polishing machine according to claim 1, wherein the fan (10) of the drive motor (2) is located in the housing (5), and the wind force of the fan (10) is directed radially outward.
3. The polishing machine driving motor mounting structure according to claim 1, wherein a first groove (17) recessed toward the tail end of the machine shell (5) is formed in the end face of the machine shell (5) facing the mounting plate (7), a second groove (18) recessed toward the polishing machine head (6) is formed in the end face of the mounting plate (7) facing the machine shell (5), and air outlets (14) are formed in positions of the first groove (17) and the second groove (18) correspondingly.
4. A polishing machine driving motor mounting structure according to claim 3, wherein the air outlets (14) are located on the left and right sides of the housing (5).
5. The polishing machine driving motor mounting structure according to claim 1, wherein the mounting plate (7) comprises an outer ring (15), a plurality of connecting ribs (16) for connecting the outer ring (15) and the shaft hole (8) are arranged between the outer ring (15) and the shaft hole (8), and the connecting ribs (16) are uniformly distributed on a circle of the shaft hole (8).
6. The polishing machine driving motor mounting structure according to claim 5, wherein a retainer ring (9) is arranged on one surface of the mounting plate (7) for mounting the bearing (3), and the retainer ring (9) is in interference fit with an outer ring of the bearing (3).
7. The polishing machine driving motor mounting structure according to claim 5, wherein the mounting plate (7) is provided with a plurality of protruding blocks (12) extending towards the direction of the machine shell (5) towards one side of the machine shell (5), the position of the inner side of the machine shell (5) corresponding to the protruding blocks (12) is provided with a protruding block (13), and the protruding blocks (12) are propped against the protruding block (13) when the mounting plate (7) and the machine shell (5) are mounted in place.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321402999.3U CN220162178U (en) | 2023-06-02 | 2023-06-02 | Polishing machine driving motor mounting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321402999.3U CN220162178U (en) | 2023-06-02 | 2023-06-02 | Polishing machine driving motor mounting structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220162178U true CN220162178U (en) | 2023-12-12 |
Family
ID=89058417
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321402999.3U Active CN220162178U (en) | 2023-06-02 | 2023-06-02 | Polishing machine driving motor mounting structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220162178U (en) |
-
2023
- 2023-06-02 CN CN202321402999.3U patent/CN220162178U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP3785850B1 (en) | Cooling device for a rotating polishing disk | |
| WO2021159730A1 (en) | Putty sander | |
| CN202572133U (en) | Spindle of dual-head glass grinding machine | |
| CN220162178U (en) | Polishing machine driving motor mounting structure | |
| CN110744403A (en) | Device for grinding radian of electric brush | |
| CN210255448U (en) | Architectural decoration wall grinding device | |
| CN201116571Y (en) | Woodworking machine main bearing device | |
| CN215748261U (en) | Grinding machine | |
| CN204171998U (en) | There is the electric tool of dustproof construction | |
| KR101513597B1 (en) | Orbital Sander For Cooling Spindle Bearing | |
| CN211805391U (en) | Large eccentric brushless vibration polishing machine | |
| CN212683535U (en) | Outer wall burnishing device is used in bearing processing | |
| CN112917343A (en) | Five-station crystal glass processing equipment | |
| CN220029747U (en) | Double-end electric sander | |
| CN219666180U (en) | Rotary joint polishing device | |
| CN217255408U (en) | Equipment for automatically polishing workpiece sealing surface along lines | |
| CN218897136U (en) | High-speed brushless motor difficult to wear | |
| CN220312943U (en) | Polishing equipment for irregular motor end cover | |
| CN210524617U (en) | Surface grinding machine of cutter for machining automobile parts | |
| CN203887648U (en) | Improved grinding machine | |
| CN220673515U (en) | Novel aluminum end cover of motor | |
| CN210414083U (en) | Air spindle device of grinding machine | |
| CN215748218U (en) | Wall grinding machine | |
| CN219027140U (en) | Split type dynamic and static pressure main shaft | |
| CN212155809U (en) | Novel fan main shaft sealing washer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |