CN214771148U - Polishing and grinding machine - Google Patents
Polishing and grinding machine Download PDFInfo
- Publication number
- CN214771148U CN214771148U CN202023174568.5U CN202023174568U CN214771148U CN 214771148 U CN214771148 U CN 214771148U CN 202023174568 U CN202023174568 U CN 202023174568U CN 214771148 U CN214771148 U CN 214771148U
- Authority
- CN
- China
- Prior art keywords
- wheel
- grinding
- polishing
- grinding wheel
- frame
- 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
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
A polishing and grinding machine comprises a machine frame, a driving part and a grinding part. The driving part is used for driving the grinding part to grind and polish the workpiece, and the rack is used for supporting the driving part and the grinding part and is rotatably connected with the grinding part. The grinding part comprises a rotating shaft and a grinding wheel group, and one end of the rotating shaft is connected with the driving part. The grinding wheel set comprises a first wheel set, a second wheel set, a third wheel set and a fourth wheel set which are sequentially arranged from a first end to a second end on the rotating shaft. The first wheel pair comprises a first grinding wheel and a second grinding wheel from the position close to the first end to the position far away from the first end, the second wheel pair comprises the second grinding wheel and a third grinding wheel, and the third wheel pair comprises the second grinding wheel and the first grinding wheel. The fourth wheel pair includes a first grinding wheel and a third grinding wheel. The grinding mesh number of the first grinding wheel is larger than that of the second grinding wheel, and the grinding mesh number of the second grinding wheel is larger than that of the third grinding wheel. In the process that the workpiece is polished from the first end to the second end, if the polishing effect at the last polishing wheel is insufficient, supplementary polishing can be performed in the subsequent process.
Description
Technical Field
The application relates to the field of surface treatment tools, in particular to a polishing and grinding machine.
Background
At present, the surface of a product is polished and polished generally by sequentially performing rough grinding, middle grinding and fine grinding, and in order to polish the product in sequence, polishing pieces on a polishing polisher are also arranged according to the sequence of a rough polishing surface, a middle polishing surface and a fine polishing surface so as to polish the surface of the product gradually and finely.
But the part of polishing that can appear when polishing occasionally damaged, break away from pivot scheduling problem be, the product will lack some polishing flow this moment, cause final polishing effect not good.
SUMMERY OF THE UTILITY MODEL
In view of the above situation, there is a need for a polishing and grinding machine to solve the problem that the polishing and grinding quality of the product cannot be guaranteed when the polishing and grinding machine has problems.
An embodiment of the present application provides a polishing sander including a frame, a drive section, and a sanding section. The driving part is used for driving the grinding part to grind and polish workpieces, the rack comprises a first support frame and a second support frame, the first support frame is connected with the driving part and used for fixing the driving part, and the second support frame is connected with the grinding part and used for fixing the grinding part. The polishing portion comprises a rotating shaft and a polishing wheel set, the rotating shaft comprises a first end and a second end which are arranged oppositely, the first end is connected with the driving portion, and the second end is connected with the second supporting frame. The grinding wheel set comprises a first wheel set, a second wheel set, a third wheel set and a fourth wheel set which are sequentially arranged on the rotating shaft from the first end to the second end. Wherein the first wheel pair includes a first grinding wheel proximate the first end and a second grinding wheel proximate the second end. The second wheel pair includes a second grinding wheel proximate the first end and a third grinding wheel proximate the second end. The third wheel pair includes a second grinding wheel proximate the first end and a first grinding wheel proximate the second end. The fourth pair of wheels includes a first grinding wheel proximate the first end and a third grinding wheel proximate the second end. The grinding mesh number of the first grinding wheel is larger than that of the second grinding wheel, and the grinding mesh number of the second grinding wheel is larger than that of the third grinding wheel.
The grinding wheel set is sequentially arranged into a first grinding wheel, a second grinding wheel, a third grinding wheel, a second grinding wheel, a first grinding wheel and a third grinding wheel from the first end to the second end, wherein the grinding mesh number of the first grinding wheel is larger than that of the second grinding wheel, and the grinding mesh number of the second grinding wheel is larger than that of the third grinding wheel. In the process that the workpiece is polished from the first end to the second end or from the second end to the first end, if the polishing effect at the last polishing wheel is insufficient, supplementary polishing can be performed in the subsequent process. Moreover, if part of the grinding wheels from the first end to the second end suddenly breaks down and cannot continuously grind the workpiece, the workpiece can be ground at other subsequent positions, and the influence on the grinding effect of the workpiece is reduced.
Further, in some embodiments of the present application, the second support frame includes a first frame body and a second frame body, the first frame body is rotatably engaged with the first end of the rotating shaft, and the second frame body is rotatably engaged with the second end of the rotating shaft.
The second support frame realizes the support of the portion of polishing through first support body and second support body to through with pivot both ends rotatable coupling, realize that the pivot on the second support frame can rotate under the drive of drive division.
Further, in some embodiments of the present application, a first bearing is disposed on the first frame, and the first end of the rotating shaft is rotatably connected to the first frame through the first bearing.
The friction force generated when the rotating shaft rotates relative to the first frame body can be reduced through the first bearing.
Further, in some embodiments of the present application, a second bearing is disposed on the second frame body, and the second end of the rotating shaft is rotatably connected to the second frame body through the second bearing.
The friction force generated when the rotating shaft rotates relative to the second frame body can be reduced through the second bearing.
Further, in some embodiments of the present application, an end cover is further disposed on the second frame body, and the end cover is connected to the second end of the rotating shaft.
The end cover is covered on the outer side of the rotating shaft, so that dust can be prevented from being collected at the joint of the rotating shaft and the second frame body.
Further, in some embodiments of the present application, the first grinding wheel, the second grinding wheel, and the third grinding wheel each include a wheel body and a connecting member. The wheel body with pivot fixed connection, the periphery of wheel body is provided with the connecting piece that is used for fixed abrasive paper.
Abrasive paper forms the polishing face that contacts the work piece and carry out polishing, and abrasive paper can be dismantled with the wheel body via the connecting piece and be connected, can realize the replacement of abrasive paper, can't reach the requirement of polishing when the polishing face and need change, need not to change whole polishing wheel, only need to change abrasive paper can.
Further, in some embodiments of the present application, the connector includes one of a hook and loop fastener, a snap groove, and a threaded counter bore.
Magic tapes, clamping grooves and threaded counter bores are some relatively common detachable connectors. When the connecting piece is the magic tape, the connection can be realized only by sticking the magic tape of the abrasive paper on the magic tape on the surface of the wheel body. When the connecting piece is the draw-in groove, need establish the abrasive paper card in the draw-in groove and fix. When the connecting piece is the screw thread counter bore, pass abrasive paper with the bolt and fix with the screw thread counter bore, establish abrasive paper through the terminal surface of screw thread counter bore and the head card of bolt.
Further, in some embodiments of the present application, the polishing and grinding machine further includes a coupling for connecting the output end of the driving portion and the rotating shaft so that the rotating shaft rotates with the output end of the driving portion.
The rotating shaft is connected with the driving part through the coupler, and when the whole polishing part needs to be replaced, the coupler is detached.
Further, in some embodiments of the present application, the polishing and grinding machine further includes a base, and the first support frame and the second support frame are fixedly connected to a bearing surface of the base.
The base makes frame, drive division and the portion of polishing form an organic whole, when needs remove the polishing polisher, can carry out holistic removal.
Further, in some embodiments of the present application, the base has a bottom surface opposite to the bearing surface, and a shock-absorbing pad for absorbing shock is disposed on the bottom surface.
The polishing and grinding machine has violent vibration during grinding, so that relatively large noise is caused, vibration can be reduced through the damping gasket, and the noise generated during operation of the polishing and grinding machine is reduced.
Drawings
FIG. 1 is an exploded view of a polishing sander in one embodiment of the present application.
Fig. 2 is a schematic structural view of a polishing and grinding machine in one embodiment of the present application.
Description of the main elements
Polishing polisher 001
Connecting plate 111
Second supporting frame 130
First bearing 150
Second bearing 170
End cap 190
Driving part 200
Grinding part 300
First grinding wheel 301
Second grinding wheel 303
Third grinding wheel 305
Connecting piece 3011
The following detailed description will further illustrate the present application in conjunction with the above-described figures.
Detailed Description
The technical solutions in the embodiments of the present application will be described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments.
It will be understood that when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. When an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein in the description of the present application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application.
An embodiment of the present application provides a polishing sander including a frame, a drive section, and a sanding section. The driving part is used for driving the grinding part to grind and polish workpieces, the rack comprises a first support frame and a second support frame, the first support frame is connected with the driving part and used for fixing the driving part, and the second support frame is connected with the grinding part and used for fixing the grinding part. The polishing portion comprises a rotating shaft and a polishing wheel set, the rotating shaft comprises a first end and a second end which are arranged oppositely, the first end is connected with the driving portion, and the second end is fixedly connected with the second supporting frame. The grinding wheel set comprises a first wheel set, a second wheel set, a third wheel set and a fourth wheel set which are sequentially arranged on the rotating shaft from the first end to the second end. Wherein the first wheel pair includes a first grinding wheel proximate the first end and a second grinding wheel proximate the second end. The second wheel pair includes a second grinding wheel proximate the first end and a third grinding wheel proximate the second end. The third wheel pair includes a second grinding wheel proximate the first end and a first grinding wheel proximate the second end. The fourth pair of wheels includes a first grinding wheel proximate the first end and a third grinding wheel proximate the second end. The grinding mesh number of the first grinding wheel is larger than that of the second grinding wheel, and the grinding mesh number of the second grinding wheel is larger than that of the third grinding wheel.
The grinding wheel set is sequentially arranged into a first grinding wheel, a second grinding wheel, a third grinding wheel, a second grinding wheel, a first grinding wheel and a third grinding wheel from the first end to the second end, wherein the grinding mesh number of the first grinding wheel is larger than that of the second grinding wheel, and the grinding mesh number of the second grinding wheel is larger than that of the third grinding wheel. In the process that the workpiece is polished from the first end to the second end or from the second end to the first end, if the polishing effect at the last polishing wheel is insufficient, supplementary polishing can be performed in the subsequent process. Moreover, if part of the grinding wheels from the first end to the second end suddenly breaks down and cannot continuously grind the workpiece, the workpiece can be ground at other subsequent positions without influencing the grinding effect of the workpiece.
Embodiments of the present application will be further described with reference to the accompanying drawings.
Referring to fig. 1, an embodiment of the present application provides a polishing and grinding machine 001 for polishing and grinding a surface of a product. This polishing polisher 001 includes a frame, a drive section 200, and a polishing section 300. The frame includes a first support frame 110 and a second support frame 130, the first support frame 110 is connected with the driving part 200 and is used for fixing the driving part 200, and the second support frame 130 is connected with the polishing part 300 and is used for fixing the polishing part 300. The driving part 200 is used for driving the grinding part 300 to move. The grinding part 300 directly acts on the product to grind the surface of the product. Specifically, the grinding part 300 includes a rotating shaft 310 and a grinding wheel set, the rotating shaft 310 includes a first end 311 and a second end 313 which are oppositely disposed, the first end 311 is connected with the driving part 200, and the second end 313 is rotatably connected with the second supporting frame 130. The grinding wheel set comprises a first wheel pair 330, a second wheel pair 350, a third wheel pair 370 and a fourth wheel pair 390 which are arranged on the rotating shaft 310 from the first end 311 to the second end 313, and the first wheel pair 330, the second wheel pair 350, the third wheel pair 370 and the fourth wheel pair 390 directly contact with the product to be ground and polished. Wherein the first wheel pair 330 includes a first grinding wheel 301 proximate the first end 311 and a second grinding wheel 303 proximate the second end 313. The second wheel pair 350 includes a second grinding wheel 303 proximate the first end 311 and a third grinding wheel 305 proximate the second end 313. The third wheel pair 370 includes a second grinding wheel 303 proximate the first end 311, and a first grinding wheel 301 proximate the second end 313. Fourth wheel pair 390 includes a first grinding wheel 301 proximate first end 311 and a third grinding wheel 305 proximate second end 313. The number of grinding meshes of the first grinding wheel 301 is larger than that of the second grinding wheel 303, and the number of grinding meshes of the second grinding wheel 303 is larger than that of the third grinding wheel 305.
The grinding mesh number of the grinding wheels on the first wheel pair 330, the second wheel pair 350, the third wheel pair 370 and the fourth wheel pair 390 forms a grinding and polishing layout of fine, middle, coarse, middle, fine and coarse from the first end 311 to the second end 313, so that in the process that the workpiece is ground from the first end 311 to the second end 313 or from the second end 313 to the first end 311, if the grinding effect at the last wheel pair is insufficient, supplementary grinding can be carried out in the subsequent process. Moreover, if a part of the grinding wheels from the first end 311 to the second end 313 suddenly breaks down and cannot continue to grind the workpiece, the workpiece can be ground at other subsequent positions, and the influence on the grinding effect of the workpiece is reduced. Wherein, a gap is further provided between each two adjacent wheel pairs of the first wheel pair 330, the second wheel pair 350, the third wheel pair 370 and the fourth wheel pair 390, so as to avoid that when one wheel pair is used for polishing a product, the product mistakenly contacts another adjacent wheel pair, thereby causing a problem in surface treatment of the product.
The polishing dresser 001 further includes a base 400, and the first support frame 110 and the second support frame 130 are both disposed on a carrying surface of the base 400 so that the polishing dresser 001 can be moved as a whole. Referring to fig. 2, in particular, the first support frame 110 is disposed on one side of the base 400 and includes a mounting plate and reinforcing plates 113, the reinforcing plates 113 are disposed on two sides of the mounting plate, the two reinforcing plates 113 and the mounting plate form a mounting groove together, and the driving portion 200 is disposed in the mounting groove and fixedly connected to the mounting plate.
The driving part 200 fixed on the first support frame 110 comprises a motor, a coupler 210 is connected on the power output shaft of the motor, the power output shaft of the motor passes through the first support frame 110 and extends towards the second support frame 130, the coupler 210 is arranged between the first support frame 110 and the second support frame 130, the power output shaft of the motor is circumferentially limited and connected with the rotating shaft 310 through the coupler 210, and when the power output shaft of the motor rotates, the rotating shaft 310 is driven to synchronously rotate. The coupling 210 also enables the power output shaft of the motor to be detachably connected with the rotating shaft 310, so that the motor and the rotating shaft 310 can be easily separated when the polishing and grinding machine 001 needs to be maintained.
The base 400 is further provided with a damping gasket 410, and the damping gasket 410 is arranged on the surface of the base 400 departing from the first support frame 110 and the second support frame 130, so that the vibration of the polishing and grinding machine 001 during working can be reduced through the damping gasket 410, and the noise caused by the work of the polishing and grinding machine 001 can be reduced.
Referring to fig. 1 again, in order to uniformly apply force to the rotating shaft 310, the second supporting frame 130 supports both ends of the rotating shaft 310. The second supporting frame 130 comprises a first frame body 131 and a second frame body 133, wherein a first end 311 of the rotating shaft 310 is rotatably matched with the first frame body 131, and a second end 313 of the rotating shaft 310 is rotatably matched with the second frame body 133, so that both ends of the rotating shaft 310 are supported by the frame bodies. With such an arrangement, when the second end 313 of the rotating shaft 310 is carried by the second supporting frame 130, and the first end 311 of the rotating shaft 310 is supported by the driving portion 200, the first frame 131 can provide support for the first end 311 of the rotating shaft 310 to reduce the stress on the driving portion 200.
Since the rotating shaft 310 rotates relative to the first frame 131 and the second frame 133, friction needs to be overcome during rotation, and in order to reduce the friction, the second support frame 130 further includes a first bearing 150 and a second bearing 170, the first bearing 150 is disposed on the first frame 131, an outer ring of the first bearing 150 is fixedly connected to the first frame 131, an inner ring of the first bearing 150 is fixedly connected to the rotating shaft 310, and relative rotation between the rotating shaft 310 and the first frame 131 is realized by relative rotation between the outer ring and the inner ring of the first bearing 150. The second bearing 170 is disposed on the second frame 133, an outer ring of the second bearing 170 is fixedly connected to the second frame 133, an inner ring of the second bearing 170 is fixedly connected to the rotating shaft 310, and the rotating shaft 310 and the second frame 133 rotate relative to each other by the relative rotation between the outer ring and the inner ring of the second bearing 170.
In order to protect the second end 313 of the rotating shaft 310 and the corresponding second bearing 170, an end cover 190 is further disposed on the second frame 133, and the end cover 190 is disposed on a side of the second frame 133 away from the first frame 131 and covers the second bearing 170. The end cap 190 may prevent dust from being collected at the connection of the rotation shaft 310 and the second housing 133.
The first wheel pair 330, the second wheel pair 350, the third wheel pair 370 and the fourth wheel pair 390 are arranged between the first frame body 131 and the second frame body 133, the first wheel pair 330, the second wheel pair 350, the third wheel pair 370 and the fourth wheel pair 390 are inconvenient to take out from the space between the first frame body 131 and the second frame body 133, and the whole replacement is difficult to carry out after a grinding surface for grinding a product outside the grinding wheel is damaged. Therefore, the polishing surface of the polishing wheel is set to be detachable, specifically, the first polishing wheel 301, the second polishing wheel 303 and the third polishing wheel 305 all comprise a wheel body and a connecting piece 3011, the wheel body is fixedly connected with the wheel shaft, the connecting piece 3011 is a clamping groove arranged on the outer side of the wheel body, and one end of the abrasive paper can be clamped in the clamping groove to fix the wheel body and the abrasive paper. The abrasive paper can also be arranged to be annular for adapting to the clamping groove, a clamping block is arranged on the annular inner ring, and the clamping block extends into the clamping groove to fix the abrasive paper and the wheel body.
It should be noted that the connecting piece 3011 disposed outside the wheel body may also be a hook and loop fastener, a threaded counter bore, etc., as long as the detachable connection of the sand paper and the wheel body can be realized. Wherein, when connecting piece 3011 is the magic subsides, only need to paste the magic of abrasive paper and laminate and can realize connecting on the magic of wheel body surface. When the connecting piece 3011 is a screw-thread counter bore, the bolt is passed through the sand paper and fixed with the screw-thread counter bore, and the sand paper is clamped between the end face of the screw-thread counter bore and the head of the bolt.
Through the polishing polisher 001 provided by the application, in the process that a workpiece is polished from the first end 311 to the second end 313 or from the second end 313 to the first end 311, if the polishing effect at the last polishing wheel is insufficient, supplementary polishing can be performed in the subsequent process. Moreover, if a part of the grinding wheel from the first end 311 to the second end 313 or from the second end 313 to the first end 311 suddenly breaks down and cannot continue to grind the workpiece, the workpiece can be ground at other subsequent positions without affecting the grinding effect of the workpiece.
In addition, other changes may be made by those skilled in the art within the spirit of the present application, and it is understood that such changes are encompassed within the scope of the present disclosure.
Claims (10)
1. A polishing polisher characterized by: comprises a frame, a driving part and a grinding part, wherein the driving part is used for driving the grinding part to grind and polish a workpiece,
the frame comprises a first support frame and a second support frame, the first support frame is connected with the driving part and used for fixing the driving part, and the second support frame is connected with the polishing part and used for fixing the polishing part;
the polishing part comprises a rotating shaft and a polishing wheel set, the rotating shaft comprises a first end and a second end which are oppositely arranged, the first end is connected with the driving part, and the second end is connected with the second supporting frame; the grinding wheel set comprises a first wheel set, a second wheel set, a third wheel set and a fourth wheel set which are sequentially arranged on the rotating shaft from the first end to the second end;
said first wheel pair including a first grinding wheel adjacent said first end and a second grinding wheel adjacent said second end;
the second wheel pair includes a second grinding wheel proximate the first end and a third grinding wheel proximate the second end;
said third wheel pair includes a second grinding wheel proximate said first end and a first grinding wheel proximate said second end;
said fourth wheel pair includes a first grinding wheel adjacent said first end and a third grinding wheel adjacent said second end;
the grinding mesh number of the first grinding wheel is larger than that of the second grinding wheel, and the grinding mesh number of the second grinding wheel is larger than that of the third grinding wheel.
2. The polishing sander as set forth in claim 1, wherein said second support frame comprises a first frame body and a second frame body, said first frame body being in rotatable engagement with said first end of said spindle, said second frame body being in rotatable engagement with said second end of said spindle.
3. The polishing sander as set forth in claim 2, wherein said first frame has a first bearing disposed thereon, said first end of said shaft being rotatably connected to said first frame by said first bearing.
4. A polishing and grinding machine as claimed in claim 2, wherein said second frame body is provided with a second bearing, and said second end of said spindle is rotatably connected to said second frame body through said second bearing.
5. The polishing sander as set forth in claim 4, wherein said second frame further comprises an end cap, said end cap being attached to said second end of said spindle.
6. The polishing sander of claim 1, wherein each of said first grinding wheel, said second grinding wheel, and said third grinding wheel comprises a wheel body and a connecting member;
the wheel body with pivot fixed connection, the periphery of wheel body is provided with the connecting piece that is used for fixed abrasive paper.
7. The polishing sander as set forth in claim 6, wherein said attachment comprises one of a velcro, a snap and a threaded counterbore.
8. The polishing sander of claim 1, further comprising a coupling for connecting the output of the drive section and the spindle so that the spindle rotates with the output of the drive section.
9. The polishing sander as set forth in claim 1, further comprising a base, said first support frame and said second support frame being fixedly attached to a load-bearing surface of said base.
10. The polishing sander as set forth in claim 9, wherein said base has a bottom surface opposite said load-bearing surface, and a vibration-damping pad is disposed on said bottom surface for damping vibrations.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023174568.5U CN214771148U (en) | 2020-12-25 | 2020-12-25 | Polishing and grinding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023174568.5U CN214771148U (en) | 2020-12-25 | 2020-12-25 | Polishing and grinding machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214771148U true CN214771148U (en) | 2021-11-19 |
Family
ID=78721565
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023174568.5U Active CN214771148U (en) | 2020-12-25 | 2020-12-25 | Polishing and grinding machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214771148U (en) |
-
2020
- 2020-12-25 CN CN202023174568.5U patent/CN214771148U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN113146417A (en) | Precise machining machine for manufacturing and forming direct-current motor stator | |
| CN214771148U (en) | Polishing and grinding machine | |
| CN214054782U (en) | Polishing and grinding machine | |
| CN209954399U (en) | Force controllable abrasive belt machine | |
| CN212794415U (en) | Copper billet grinding device convenient to use | |
| CN215920019U (en) | Rotatable clamping device for numerically controlled grinder | |
| CN211048557U (en) | Polisher for shoemaking | |
| CN2249147Y (en) | Disc-type sand grinding device | |
| CN210588672U (en) | Grinding head mechanism of circular sand machine | |
| CN208614546U (en) | A kind of disc-grinding mechanism of linear R RL type three-axis numerical control rubbing down machining tool | |
| CN113858016A (en) | Polishing device and polishing method of aircraft skin | |
| CN109531387A (en) | A kind of full automatic polishing machine equipment | |
| CN101376231B (en) | Dynamic tool | |
| CN214723125U (en) | Burnishing and polishing instrument that security performance is high | |
| CN211073141U (en) | Grinding device and compressor | |
| CN214213318U (en) | Pneumatic abrasive band machine clamping device | |
| CN220217886U (en) | Part burr grinding device | |
| CN220372903U (en) | Outer ring channel polishing mechanism of bearing grinder | |
| CN215659574U (en) | Grinding machine | |
| CN210476596U (en) | Pivot structure convenient to change emery wheel | |
| CN212240427U (en) | Quick-replaceable polishing mechanism for oil pump rotor | |
| CN210756865U (en) | Polishing device for inner spherical surface of differential mechanism shell with replaceable polishing head | |
| CN218801010U (en) | Ring member is polished and is used portable abrasive machine | |
| CN219561661U (en) | Gear polishing machine with drawing frame | |
| CN211890320U (en) | Grinding disc polishing integrated machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 430200 workshop, building J02, Foxconn Wuhan Science and Technology Park, No.1, Guanggu 2nd Road, Donghu New Technology Development Zone, Wuhan City, Hubei Province Patentee after: Fulian Technology (Wuhan) Co.,Ltd. Address before: 430200 workshop, building J02, Foxconn Wuhan Science and Technology Park, No.1, Guanggu 2nd Road, Donghu New Technology Development Zone, Wuhan City, Hubei Province Patentee before: WUHAN YUZHAN PRECISION TECHNOLOGY Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder |