CN210060718U - Bearing inner race grinding device - Google Patents
Bearing inner race grinding device Download PDFInfo
- Publication number
- CN210060718U CN210060718U CN201920525222.3U CN201920525222U CN210060718U CN 210060718 U CN210060718 U CN 210060718U CN 201920525222 U CN201920525222 U CN 201920525222U CN 210060718 U CN210060718 U CN 210060718U
- Authority
- CN
- China
- Prior art keywords
- belt pulley
- polishing
- grinding
- fixedly connected
- box
- 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.)
- Expired - Fee Related
Links
Images
Abstract
The utility model provides a bearing outer ring polishing device, which relates to the technical field of bearing processing, and comprises a polishing box, a supporting plate, a polishing motor and a rotating motor, wherein the supporting plate drives a plurality of linear bearings to rotate, the right side of the supporting plate is rotated to enable the linear bearings to pass through the polishing box, a polishing mechanism in the polishing box polishes the linear bearings, the supporting plate continues to rotate after polishing is finished, the linear bearings rotating out of the polishing box can be disassembled to install the next linear bearing to be polished, the polishing efficiency of the linear bearings is improved, the bearing outer ring polishing device enables the linear bearings to rotate when the supporting plate rotates, a plurality of knifes polish the linear bearings, each angle of the outer rings of the linear bearings is polished, the linear bearings absorb scraps through permanent magnets after polishing is finished, the wiping time is saved, and the polishing efficiency is improved.
Description
Technical Field
The utility model relates to a bearing processing technology field specifically is a bearing inner race grinding device.
Background
The linear bearing is a linear motion system in a shape of a circular ring body, and can perform linear motion by being matched with the cylindrical shaft. The outer ring of the linear bearing needs to be polished according to the operation requirement of the linear bearing, so that smoothness is ensured during working.
Current patent number CN207289651U provides a linear bearing grinding device, through with the bearing card with on the carousel, starter motor drives the rotation of whetting a knife and polishes several linear bearing's outer lane, has solved the artifical deviation that causes when polishing linear bearing. But the device has and need wait for when changing the bearing on the bearing frame each time and just can change after the device stops completely to the effect of polishing of single whetting a knife is general, has the problem that efficiency is not high. Therefore, a linear bearing polishing device is needed to solve the problem of low efficiency of the device.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
Not enough to prior art, the utility model provides a bearing inner race grinding device to solve the problem that current linear bearing efficiency of polishing is not high.
(II) technical scheme
In order to achieve the above object, the utility model provides a following technical scheme: a bearing outer ring polishing device comprises a polishing box, a supporting plate, a polishing motor and a rotating motor, wherein the supporting plate is hollow, a round hole is formed in the back surface of the supporting plate, a bearing is fixedly connected to the inner ring of the round hole, the rotating motor is fixed on a fixed seat, a bulge is formed in the left surface of the fixed seat, the inner ring of the bearing in the round hole is fixedly connected with the bulge formed in the fixed seat, a rubber wheel is fixedly connected to the rotating shaft of the rotating motor, the rubber wheel is attached to the outer ring of the supporting plate, a plurality of supporting holes are uniformly formed in the surface, far away from the rotating motor, of the supporting plate, the bearing is fixedly connected in each supporting hole, a supporting rod is fixedly connected to the inner ring of the bearing in each supporting hole, a driving gear is fixedly connected to the bulge, the plurality of driven gears are fixedly connected with one ends of the plurality of supporting rods inside the supporting disc respectively.
The grinding box is positioned on the left side of the supporting plate, a grinding groove is formed in the bottom surface of the grinding box, the grinding motor is installed on one side, away from the supporting plate, of the grinding box, the rotating shaft of the grinding motor is positioned below the grinding box, a belt pulley A and a belt pulley B are fixedly connected to the rotating shaft of the grinding motor, three grinding holes A and three grinding holes B are formed in one side, away from the supporting plate, of the grinding box, bearings are fixedly connected into the grinding holes A and the grinding holes B, inner rings of the bearings in the grinding holes A and the grinding holes B are fixedly connected with a grinding rod A and a grinding rod B respectively, the grinding rod A and the grinding rod B are positioned in the grinding box, a belt pulley C and a belt pulley D are fixedly connected onto the grinding rod A at the bottom end, a belt pulley E and a belt pulley F are fixedly connected onto the grinding rod A at the middle end, a belt pulley G is fixedly connected onto the grinding rod A, a belt pulley H and a belt pulley I, the middle end of the polishing rod B is fixedly connected with a belt pulley J and a belt pulley K at positions corresponding to a belt pulley E and a belt pulley F, the upper end of the polishing rod B is fixedly connected with a belt pulley L at a position corresponding to a belt pulley, the belt pulley A and the belt pulley C are meshed with an inner ring of a transmission belt, the belt pulley D and the belt pulley E are meshed with an inner ring of the transmission belt, the belt pulley F and the belt pulley G are meshed with an inner ring of the transmission belt, the belt pulley H and the belt pulley I are meshed with an inner ring of the transmission belt, the belt pulley B and the belt pulley H are meshed with an inner ring of the transmission belt, the belt pulley I and the belt pulley J are meshed with an inner ring of the transmission belt, the belt pulley K and the belt pulley L are meshed with an inner ring of the transmission belt, one ends of the three polishing rods A and the three polishing rods B inside the polishing box are fixedly, the bottom surface fixedly connected with supporting legs of case of polishing, the case of polishing corresponds the one side of supporting disk and has seted up the hole of changeing.
Preferably, the three polishing holes A are distributed up and down, and the centers of the polishing holes A are connected and then are in the shape of a circular arc line.
Preferably, the grinding hole B is located on the right side of the grinding hole A, and the three grinding holes B correspond to the three grinding holes A respectively.
Preferably, the belt pulley C corresponds to the belt pulley A, the belt pulley D corresponds to the belt pulley E, and the belt pulley F corresponds to the belt pulley G.
Preferably, the turning-in hole penetrates through the bottom end of the grinding box and is communicated with the turning-out hole.
Three beneficial effects
The utility model provides a bearing inner race grinding device. The method has the following beneficial effects:
1. this bearing inner race grinding device drives several linear bearing through the supporting disk and rotates, rotates the supporting disk right side and makes through the case of polishing, and the grinding machanism of the incasement of polishing polishes linear bearing, and the supporting disk continues to rotate after polishing finishes, and the linear bearing who rotates out the case of polishing can dismantle promptly and install the next linear bearing that needs polish, has improved several linear bearing's the efficiency of polishing.
2. This bearing inner race grinding device makes linear bearing carry out the rotation through the supporting disk pivoted in, and a plurality of whets a knife are polished linear bearing, make every angle of linear bearing outer lane all receive and polish, polish and finish back linear bearing and adsorb away the piece through the permanent magnet, have saved the time of cleaning, have improved the efficiency of polishing.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic structural view of a support plate of the present invention;
fig. 3 is a schematic sectional view of a support plate according to the present invention;
FIG. 4 is a schematic side sectional view of the grinding box of the present invention;
fig. 5 is a schematic view of a back sectional structure of the polishing box of the present invention.
In the figure: 1 case of polishing, 2 supporting disk, 3 rotating motor, 4 supporting holes, 5 bracing pieces, 6 driving gears, 7 driven gears, 8 groove of polishing, 9 belt pulley A, 10 belt pulley B, 11 belt pulley C, 12 belt pulley D, 13 belt pulley E, 14 belt pulley F, 15 belt pulley G, 16 belt pulley H, 17 belt pulley I, 18 belt pulley J, 19 belt pulley K, 20 belt pulley L, 21 hole A of polishing, 22 hole B of polishing, 23 pole A of polishing, 24 pole B of polishing, 25 hole of changeing, 26 hole of changeing, 27 permanent magnet, 28 whets a knife, 29 drive belt, 30 motor of polishing, 31 fixing base, 32 rubber pulley.
Detailed Description
As shown in fig. 1-5, the utility model provides a technical solution: a bearing outer ring polishing device comprises a polishing box 1, a supporting plate 2, a polishing motor 30 and a rotating motor 3, wherein the supporting plate 2 is hollow, the back surface of the supporting plate 2 is provided with a round hole, the inner ring of the round hole is fixedly connected with a bearing, the rotating motor 3 is fixed on a fixed seat 31, the left surface of the fixed seat 31 is provided with a bulge, the inner ring of the bearing in the round hole is fixedly connected with the bulge arranged on the fixed seat 31, the rotating shaft of the rotating motor 3 is fixedly connected with a rubber wheel 32, the rubber wheel 32 is attached to the outer ring of the supporting plate 2, one surface of the supporting plate 2, which is far away from the rotating motor 3, is uniformly provided with a plurality of supporting holes 4, bearings are fixedly connected in the supporting holes 4, the inner ring of the bearing in the supporting holes 4 is fixedly connected with a supporting rod 5, the bulge arranged on the fixed seat, a plurality of driven gears 7 are all meshed with a driving gear 6, a rotating motor 3 adopts three asynchronous motors, the motor model is Y132S1-2, a linear bearing is placed on a supporting rod 5, the rotating motor 3 is started to drive a rubber wheel 32 to rotate, the rubber wheel 32 drives a supporting plate 2 to rotate, the supporting plate 2 can enable the driven gear 7 to revolve around the driving gear 6 in the rotating process, the driven gear 7 rotates, the supporting plate 2 rotates to drive the driven gears 7 to rotate, the driven gears 7 rotate to drive the supporting rod 5 to rotate, and the linear bearing rotates on the supporting plate 2 and simultaneously rotates.
Install grinding machanism in the case 1 of polishing, grinding machanism is connected with grinding motor 30, grinding machanism includes pulley group, the pole group of polishing, 28 and drive belt 29 sharpen, the pole group of polishing includes pole A23 and pole B24 of polishing, pulley group includes belt pulley A9, belt pulley B10, belt pulley C11, belt pulley D12, belt pulley E13, belt pulley F14, belt pulley G15, belt pulley H16, belt pulley I17, belt pulley J18, belt pulley K19, belt pulley L20.
The grinding box 1 is positioned on the left side of the supporting plate 2, the bottom surface of the grinding box 1 is provided with a grinding groove 8, the grinding motor 30 is arranged on one side of the grinding box 1 far away from the supporting plate 2, the rotating shaft of the grinding motor 30 is positioned below the grinding box 1, the rotating shaft of the grinding motor 30 is fixedly connected with a belt pulley A9 and a belt pulley B10, one side of the grinding box 1 far away from the supporting plate 2 is provided with three grinding holes A21 and three grinding holes B22, the three grinding holes A21 are distributed up and down, the centers of the grinding holes A21 are connected to be in a circular arc shape, the grinding hole B22 is positioned on the right side of the grinding hole A21, the three grinding holes B22 respectively correspond to the three grinding holes A21, bearings are fixedly connected in the grinding holes A21 and the grinding hole B22, inner rings of the bearings in the grinding holes A638 and the grinding hole B22 are respectively and fixedly connected with a grinding rod A23 and a grinding rod B24, the grinding rod A23 and the grinding rod B24 are respectively positioned in the bottom end of the grinding box 1, and a pulley C, a belt pulley E13 and a belt pulley F14 are fixedly connected to the middle grinding rod A23, a belt pulley G15 is fixedly connected to the upper grinding rod A23, a belt pulley C11 corresponds to the belt pulley A9, a belt pulley D9 corresponds to the belt pulley E9, a belt pulley F9 corresponds to the belt pulley G9, a belt pulley H9 and a belt pulley I9 are fixedly connected to the bottom grinding rod B9 at positions corresponding to the belt pulley C9 and the belt pulley D9, a belt pulley J9 and a belt pulley K9 are fixedly connected to the middle grinding rod B9 at positions corresponding to the belt pulley E9 and the belt pulley F9, a belt pulley L9 is fixedly connected to the upper grinding rod B9 at positions corresponding to the belt pulley, the belt pulley A9 is meshed with an inner ring of a transmission belt 29, the belt pulley D9 is meshed with the belt pulley E9, the belt pulley F9 is meshed with the inner ring of the transmission belt G3629, and the belt H9 is meshed with the inner ring of the transmission belt 29, the belt pulley B10 is meshed with a belt pulley H16 and an inner ring of a transmission belt 29, the belt pulley I17 is meshed with a belt pulley J18 and an inner ring of the transmission belt 29, the belt pulley K19 is meshed with a belt pulley L20 and an inner ring of the transmission belt 29, one ends of three polishing rods A23 and three polishing rods B24, which are positioned in the polishing box 1, are fixedly connected with a knife sharpener 28, a turning hole 26 is formed in the upper surface of the polishing box 1, permanent magnets 27 are fixedly connected to the inner wall of the polishing box 1 at two sides of the turning hole 26, supporting legs are fixedly connected to the bottom surface of the polishing box 1, a turning hole 25 is formed in one surface of the polishing box 1 corresponding to the supporting plate 2, the turning hole 25 penetrates through the bottom end of the polishing box 1 and is communicated with the turning hole 26, the polishing motor 30 adopts three asynchronous motors, the distance between polishing holes A21 distributed up and down in motor model Y132S1-2 is set to be one third of the self-turning angle of the bearing when the, the grinding motor 30 rotates to drive the belt pulley A9 and the belt pulley B10 to rotate, the grinding motor 30 drives a plurality of grinding rods to rotate through the engagement of a plurality of belt pulleys and a plurality of transmission belts 29, the linear bearing on the supporting plate 2 is rotated into the grinding box 1 through the rotation hole 25, the grinding knives 28 on the grinding rods corresponding to the left and the right of the bottom end rotate to grind the outer rings at the two ends of the linear bearing, the supporting plate 2 rotates and is lifted between the grinding rods at the middle end and after the linear bearing rotates by one third of angle, the middle polishing rod polishes the unpolished surface of the linear bearing, the support plate 2 rotates and lifts between the upper polishing rods and the linear bearing continues to rotate by one third of the angle, the polishing rod at the upper end continues to polish the linear bearing, and the polished linear bearing absorbs sticky debris on the linear bearing away through the permanent magnet 27 when passing through the rotary outlet.
The working principle is as follows: the linear bearing is placed on a supporting rod 5, a rotating motor 3 is started to drive a rubber wheel 32 to rotate, the rubber wheel 32 drives a supporting plate 2 to rotate, the supporting plate 2 enables a driven gear 7 to revolve around a driving gear 6 in the rotating process, the driven gear 7 rotates, the supporting plate 2 drives a plurality of driven gears 7 to rotate, the driven gears 7 rotate to drive the supporting rod 5 to rotate, the linear bearing rotates on the supporting plate 2 and simultaneously rotates, a grinding motor 30 rotates to drive a belt pulley A9 and a belt pulley B10 to rotate, the grinding motor 30 drives a plurality of grinding rods to rotate through the meshing of the plurality of belt pulleys and a plurality of driving belts 29, the linear bearing on the supporting plate 2 rotates into a grinding box 1 through a rotating hole 25, grinding knives 28 on the grinding rods corresponding to the left and the right of the bottom end rotate to grind the outer rings at the two ends of the linear bearing, supporting disk 2 rotates to promote between the grinding rod of middle-end and after the linear bearing rotation third angle, the one side that the grinding rod of middle-end was not polished linear bearing is polished, supporting disk 2 rotates to promote between the grinding rod of upper end and linear bearing continues the rotation third angle after, the grinding rod of upper end continues to polish linear bearing, the linear bearing who finishes of polishing adsorbs away the glutinous piece that glues on the linear bearing through permanent magnet 27 when passing through the transfer port, grind the back that finishes and support disk 2 continues to rotate, the linear bearing who rotates out grinding box 1 can dismantle the lift-off promptly and install the next linear bearing that needs to polish.
Claims (3)
1. The utility model provides a bearing inner race grinding device, includes grinding box (1), supporting disk (2), grinding motor (30) and rotation motor (3), its characterized in that: the back of the supporting disc (2) is provided with a round hole, the inner ring of the round hole is fixedly connected with a bearing, a rotating motor (3) is fixed on a fixed seat (31), the left side of the fixed seat (31) is provided with a bulge, the inner ring of the bearing in the round hole is fixedly connected with the bulge arranged on the fixed seat (31), the rotating shaft of the rotating motor (3) is fixedly connected with a rubber wheel (32), the rubber wheel (32) is attached to the outer ring of the supporting disc (2), one surface of the supporting disc (2) far away from the rotating motor (3) is uniformly provided with a plurality of supporting holes (4), the bearings are fixedly connected in the supporting holes (4), and the inner ring of the bearing in the supporting holes (4);
grinding box (1) is located the left side of supporting disk (2), grinding groove (8) have been seted up to the bottom surface of grinding box (1), grinding motor (30) are installed in one side of keeping away from supporting disk (2) in grinding box (1), the higher authority of grinding box (1) has been seted up and has been changeed hole (26), install grinding machanism in grinding box (1), grinding machanism is connected with grinding motor (30), grinding machanism includes the pulley group, the grinding rod group, whet a knife (28) and drive belt (29).
2. The bearing outer ring grinding device according to claim 1, wherein: the inside cavity of supporting disk (2), be located the arch that supporting disk (2) inside fixing base (31) was equipped with and go up fixedly connected with driving gear (6), bracing piece (5) are located supporting disk (2) inside one end fixedly connected with driven gear (7), and several driven gear (7) all mesh with driving gear (6).
3. The bearing outer ring grinding device according to claim 1, wherein: the polishing rod group comprises a polishing rod A (23) and a polishing rod B (24), the belt pulley group comprises a belt pulley A (9), a belt pulley B (10), a belt pulley C (11), a belt pulley D (12), a belt pulley E (13), a belt pulley F (14), a belt pulley G (15), a belt pulley H (16), a belt pulley I (17), a belt pulley J (18), a belt pulley K (19) and a belt pulley L (20), one side of the polishing box (1) corresponding to the supporting plate (2) is provided with a transfer hole (25), a rotating shaft of the polishing motor (30) is positioned below the polishing box (1), the rotating shaft of the polishing motor (30) is fixedly connected with the belt pulley A (9) and the belt pulley B (10), one side of the polishing box (1) far away from the supporting plate (2) is provided with three polishing holes A (21) and three polishing holes B (22), and bearings are fixedly connected in the polishing holes A (21) and B (22, inner rings of bearings in the polishing hole A (21) and the polishing hole B (22) are fixedly connected with a polishing rod A (23) and a polishing rod B (24) respectively, the polishing rod A (23) and the polishing rod B (24) are positioned in the polishing box (1), the polishing rod A (23) at the bottom end is fixedly connected with a belt pulley C (11) and a belt pulley D (12), the polishing rod A (23) at the middle end is fixedly connected with a belt pulley E (13) and a belt pulley F (14), the polishing rod A (23) at the upper end is fixedly connected with a belt pulley G (15), the polishing rod B (24) at the bottom end is fixedly connected with a belt pulley H (16) and a belt pulley I (17) at positions corresponding to the belt pulley C (11) and the belt pulley D (12), the polishing rod B (24) at the middle end is fixedly connected with a belt pulley J (18) and a belt pulley K (19) at positions corresponding to the belt pulley E (13) and the belt pulley F (14), a belt pulley L (20) is fixedly connected with a position, corresponding to the belt pulley, of a polishing rod B (24) at the upper end, a belt pulley A (9), a belt pulley C (11), a belt pulley C (29), an inner ring of a transmission belt (29), a belt pulley D (12), a belt pulley E (13), a belt pulley F (14), a belt pulley G (15), a belt pulley H (16), a belt pulley I (17), a belt pulley B (10), a belt pulley H (16), a belt pulley I (18), a belt pulley J (29), a belt pulley K (19), a belt pulley L (20), an inner ring of a transmission belt (29), a knife is fixedly connected with one end, located inside a polishing box (1), of the three polishing rods A (23) and the three polishing rods B (24), the inner walls of the grinding boxes (1) on the two sides of the rotating hole (26) are fixedly connected with permanent magnets (27), and the bottom surfaces of the grinding boxes (1) are fixedly connected with supporting legs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920525222.3U CN210060718U (en) | 2019-04-17 | 2019-04-17 | Bearing inner race grinding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920525222.3U CN210060718U (en) | 2019-04-17 | 2019-04-17 | Bearing inner race grinding device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210060718U true CN210060718U (en) | 2020-02-14 |
Family
ID=69437566
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920525222.3U Expired - Fee Related CN210060718U (en) | 2019-04-17 | 2019-04-17 | Bearing inner race grinding device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210060718U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111331464A (en) * | 2020-04-27 | 2020-06-26 | 合肥市久洋精密部件有限公司 | Positioning, grinding and polishing device for machining and producing precise components of refrigerator |
| CN112833107A (en) * | 2020-12-31 | 2021-05-25 | 成都中车四方轨道车辆有限公司 | Automatic axle box bearing maintenance line and maintenance method |
| CN113146396A (en) * | 2021-03-10 | 2021-07-23 | 闫一帆 | Auxiliary device is got rid of to gear for punching burr |
| CN113681443A (en) * | 2021-10-26 | 2021-11-23 | 徐州科聚利鑫机械设备制造有限公司 | Metal part surface polishing device |
| CN115302351A (en) * | 2022-10-11 | 2022-11-08 | 泰州汇品不锈钢有限公司 | Deburring device for steel pipe cutting port |
-
2019
- 2019-04-17 CN CN201920525222.3U patent/CN210060718U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111331464A (en) * | 2020-04-27 | 2020-06-26 | 合肥市久洋精密部件有限公司 | Positioning, grinding and polishing device for machining and producing precise components of refrigerator |
| CN112833107A (en) * | 2020-12-31 | 2021-05-25 | 成都中车四方轨道车辆有限公司 | Automatic axle box bearing maintenance line and maintenance method |
| CN112833107B (en) * | 2020-12-31 | 2023-03-10 | 成都中车四方轨道车辆有限公司 | Automatic axle box bearing maintenance line and maintenance method |
| CN113146396A (en) * | 2021-03-10 | 2021-07-23 | 闫一帆 | Auxiliary device is got rid of to gear for punching burr |
| CN113681443A (en) * | 2021-10-26 | 2021-11-23 | 徐州科聚利鑫机械设备制造有限公司 | Metal part surface polishing device |
| CN115302351A (en) * | 2022-10-11 | 2022-11-08 | 泰州汇品不锈钢有限公司 | Deburring device for steel pipe cutting port |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN210060718U (en) | Bearing inner race grinding device | |
| CN106346349A (en) | Curved surface polishing machine | |
| CN203973368U (en) | A kind of finishing machine for valve clack | |
| CN207255933U (en) | A kind of polishing device | |
| CN110539243A (en) | Novel grinding and polishing equipment | |
| CN108311968A (en) | A kind of cinnabar craftwork processing unit (plant) that more grinding abrasive disks are horizontally-arranged and method | |
| CN210550339U (en) | Novel grinding and polishing equipment | |
| CN116587138A (en) | Environment-friendly wire rod rust layer polishing mechanism | |
| CN112588417B (en) | Multistage milling equipment of rotary type for cement manufacture | |
| CN109623592A (en) | A kind of Full-automatic polishing machine head | |
| CN219787913U (en) | All-in-one grinding machine capable of grinding in large batch | |
| CN219053846U (en) | Guide mark design processing edging equipment | |
| CN116900823A (en) | Furniture board surface treatment process | |
| CN203527224U (en) | Planetary type tumbling machine | |
| CN110614564A (en) | Handheld polisher suitable for special-shaped wood | |
| CN105922115A (en) | Automatic feeding minitype polishing equipment | |
| CN206795457U (en) | A kind of high-efficiency milling and casting device for stone slab plane grinding and polishing | |
| CN215847338U (en) | Deburring and polishing device | |
| CN110394697B (en) | Steel pipe equipment of polishing | |
| CN210281882U (en) | Turntable driving mechanism of polishing machine | |
| CN210388706U (en) | Production line die table clearance grinds machine | |
| CN112797028A (en) | Centrifugal compressor shell casting forming treatment process | |
| CN215147438U (en) | Finish machining lathe for fan motor rotor | |
| CN201471288U (en) | Abrasive wheel grinding machine | |
| CN212470789U (en) | High-efficient equipment of polishing of bearing ring |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200214 Termination date: 20210417 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |