CN112975668A - Surrounding type grinding device used after bearing outer ring is slightly collided - Google Patents
Surrounding type grinding device used after bearing outer ring is slightly collided Download PDFInfo
- Publication number
- CN112975668A CN112975668A CN202110235115.9A CN202110235115A CN112975668A CN 112975668 A CN112975668 A CN 112975668A CN 202110235115 A CN202110235115 A CN 202110235115A CN 112975668 A CN112975668 A CN 112975668A
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- China
- Prior art keywords
- fixing
- block
- screw rod
- main frame
- outer ring
- Prior art date
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B19/00—Single-purpose machines or devices for particular grinding operations not covered by any other main group
- B24B19/08—Single-purpose machines or devices for particular grinding operations not covered by any other main group for grinding non-circular cross-sections, e.g. shafts of elliptical or polygonal cross-section
- B24B19/11—Single-purpose machines or devices for particular grinding operations not covered by any other main group for grinding non-circular cross-sections, e.g. shafts of elliptical or polygonal cross-section for grinding the circumferential surface of rings, e.g. piston rings
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B27/00—Other grinding machines or devices
- B24B27/0023—Other grinding machines or devices grinding machines with a plurality of working posts
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B27/00—Other grinding machines or devices
- B24B27/0076—Other grinding machines or devices grinding machines comprising two or more grinding tools
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/005—Feeding or manipulating devices specially adapted to grinding machines
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/06—Work supports, e.g. adjustable steadies
- B24B41/067—Work supports, e.g. adjustable steadies radially supporting workpieces
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B47/00—Drives or gearings; Equipment therefor
Abstract
The invention discloses a surrounding type polishing device used after a bearing outer ring is slightly collided, relates to the technical field of bearings, and solves the problems that most of the existing bearing polishing devices are used for polishing singly, manual operation steps are more, and the polishing process is more complicated. A surrounding type polishing device used after a bearing outer ring is slightly collided comprises a main frame; the main frame comprises a fixed seat and a toothed ring, and the top of the main frame is provided with the toothed ring; the middle part of the main frame is fixedly connected with a fixed seat; the top of the fixed seat is in through rotating connection with a sander; the sander comprises a first screw rod, a sanding column and a limiting rod, and the sander is connected with the first screw rod in a penetrating and meshing mode; the bottom of the sander is rotatably connected with a sanding column. The polished bearing slides out through the discharging block, so that the polished bearing does not need to be manually taken out by a person, the processing procedures are reduced, and the processing efficiency is improved.
Description
Technical Field
The invention relates to the technical field of bearings, in particular to a surrounding type polishing device used after a bearing outer ring is slightly collided.
Background
The bearing is an important part in the modern mechanical equipment, and the main function of the bearing is to support a mechanical rotating body, reduce the friction coefficient in the movement process of the mechanical rotating body and ensure the rotation precision of the mechanical rotating body.
For example, the patent with the patent number of CN109015142B discloses an outer ring polishing device for bearing production, which comprises a base, wherein the top of the base is fixedly connected with a box body, the top of the box body is fixedly connected with a support frame, the bottom of a top plate of the support frame is fixedly connected with a telescopic rod through a connecting block, the bottom end of a push rod of the telescopic rod is fixedly connected with a polishing motor, the surface of an output shaft of the polishing motor is in threaded connection with a polishing lantern ring, and the bottom of an inner cavity of the box body is fixedly connected with a clamping motor. This outer lane grinding device of bearing production, cooperation telescopic link, the motor of polishing, the lantern ring of polishing, press from both sides tight motor, reducing gear box, rotation post, push rod and chucking plate's setting utilize the lantern ring of polishing of corresponding size to polish, and it is convenient to press from both sides tightly, changes simply, has solved current bearing equipment of polishing and can not reach the purpose of polishing not unidimensional bearing through the renewal part, has increased manufacturing cost's problem.
Current bearing grinding device is mostly singly polished, polishes and finishes the back manual change bearing, and the step that needs artifical manual operation is more, and the process of polishing is comparatively loaded down with trivial details, and unfavorable improvement efficiency of polishing promotes work efficiency poor.
Disclosure of Invention
The invention aims to provide a surrounding type polishing device used after a bearing outer ring is slightly collided, and aims to solve the problems that most of the existing bearing polishing devices in the background technology are used for polishing singly, the bearing is replaced manually after polishing, more steps are needed for manual operation, the polishing process is complicated, the polishing efficiency is not improved, and the work efficiency is poor.
In order to achieve the purpose, the invention provides the following technical scheme: a surrounding type polishing device used after a bearing outer ring is slightly collided comprises a main frame; the main frame comprises a fixed seat and a toothed ring, and the top of the main frame is provided with the toothed ring; the middle part of the main frame is fixedly connected with a fixed seat; the top of the fixed seat is in through rotating connection with a sander; the sander comprises a first screw rod, a sanding column and a limiting rod, and the sander is connected with the first screw rod in a penetrating and meshing mode; the bottom of the sander is rotatably connected with a sanding column; the upper part of the main frame is rotatably connected with a fixed disc; the fixed disc comprises an inner fixed block, a transmission shaft, a second screw rod and a tooth block, and the top of the fixed disc is connected with the inner fixed block in a sliding manner; the lower part of the inner fixed block is fixedly connected with a second screw rod; the tail end of the second screw rod is meshed with the transmission shaft and is rotationally connected with the transmission shaft; the center of the fixed disk is connected with an inner fixed column in a penetrating and rotating way; the inner fixing column comprises an upper fixing ring, an inner spiral strip and a supporting strip, and the bottom end of the inner fixing column is fixedly connected with the main frame; the top of the inner fixing column is connected with an upper fixing ring in a nested and meshed manner; the middle part of the upper fixing ring is rotatably connected with a support bar; the tail ends of the supporting bars are rotatably connected with the inner spiral bars; the upper part of the main frame is connected with an outer fixing block in a sliding way; the outer fixing block comprises an outer spiral strip and a third screw rod, and the bottom of the outer fixing block is connected with the third screw rod in a penetrating manner; the top of the main frame is fixedly connected with a discharging block; the discharging block comprises a blocking strip, and the top of the discharging block is fixedly provided with the blocking strip.
Preferably, the tail end of the first screw rod is connected with the fixing seat in a penetrating and rotating mode, the tail end of the limiting rod is fixedly connected with the fixing seat, and the limiting rod is connected with the sander in a penetrating and sliding mode.
Preferably, the inner fixing block surrounds six positions to form a fixing group, and the fixing group is provided with three positions on the top of the fixing disc.
Preferably, a tooth block is fixedly arranged at the tail end of the second screw rod, teeth are arranged outside the tooth block, and the tooth block is meshed with the tooth ring.
Preferably, the head end of the supporting bar is provided with a circular ring, the circular ring is connected with the inner fixing column and the upper fixing ring in a nested and rotating mode, and the inner spiral strip is a long strip which is spirally lifted.
Preferably, the third screw rod is connected with the main frame in a penetrating and rotating mode, the third screw rod is rotated, and the outer fixing block moves transversely.
Preferably, the top of the outer fixing block is fixedly provided with an outer spiral strip, the inclination degree of the outer spiral strip is consistent with that of the inner spiral strip, and the bottom ends of the outer spiral strip and the inner spiral strip are in sliding connection with the top of the fixing disc.
Preferably, the stop strip is in sliding connection with the tops of the outer spiral strip and the inner spiral strip, the front part of the discharging block is matched with the inclination of the upper part of the outer spiral strip, and the rear part of the discharging block inclines outwards.
Compared with the prior art, the invention has the beneficial effects that:
1. the inner fixing block is tightly supported and fixed on the inner ring of the bearing, the position of the inner fixing block is adjusted through the second lead screw, the inner diameters of bearings with different sizes can be conveniently fixed, the applicability of the device is improved, three bearings can be fixed on the top of the fixing disc, the bearings can be conveniently and continuously polished, and the polishing efficiency is improved.
2. According to the invention, the inner fixing block is tightly supported on the inner ring of the bearing through the second screw rod, the tail end of the second screw rod is provided with the tooth block, when the fixed disc rotates to the tooth ring, the tooth block is meshed with the tooth ring to rotate, the tightly supported bearing is loosened by the inner fixing block, personnel do not need to manually rotate the second screw rod, the operation of the personnel is reduced, and the working efficiency is improved.
3. According to the invention, the outer spiral strip and the inner spiral strip are connected with the fixed disc in a sliding manner, so that the polished bearing moves upwards along the outer spiral strip and the inner spiral strip, the polished bearing slides out through the discharging block, personnel do not need to manually take out the polished bearing, the processing procedures are reduced, the processing efficiency is improved, the outer spiral strip and the inner spiral strip can horizontally move, and the bearing can be conveniently adapted to bearings with different sizes.
Drawings
FIG. 1 is a three-dimensional schematic of the present invention;
FIG. 2 is a schematic view of the ring gear of the present invention;
FIG. 3 is a schematic cross-sectional view of the fixing plate of the present invention;
FIG. 4 is a schematic view of the internal fixation post structure of the present invention;
FIG. 5 is a schematic view of the external fixing block structure of the present invention;
FIG. 6 is a schematic view of the disassembled structure of the present invention;
in the figure: 1. a main frame; 101. a fixed seat; 102. a toothed ring; 2. fixing the disc; 201. an inner fixed block; 202. a drive shaft; 203. a second lead screw; 204. a tooth block; 3. a sander; 301. a first lead screw; 302. polishing the column; 303. a limiting rod; 4. discharging a material block; 401. blocking strips; 5. an outer fixed block; 501. an external spiral bar; 502. a third screw rod; 6. an inner fixing column; 601. an upper fixing ring; 602. an inner spiral strip; 603. a support strip.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1 to 6, an embodiment of the present invention includes: a surrounding type polishing device used after a bearing outer ring is slightly collided comprises a main frame 1; the main frame 1 comprises a fixed seat 101 and a toothed ring 102, and the top of the main frame 1 is provided with the toothed ring 102; the middle part of the main frame 1 is fixedly connected with a fixed seat 101; the top of the fixed seat 101 is connected with a sander 3 in a penetrating and rotating way; the sander 3 comprises a first screw rod 301, a sanding column 302 and a limiting rod 303, and the sander 3 is connected with the first screw rod 301 in a penetrating and meshing manner; the tail end of the first screw rod 301 is connected with the fixed seat 101 in a penetrating and rotating mode, the tail end of the limiting rod 303 is fixedly connected with the fixed seat 101, and the limiting rod 303 is connected with the sander 3 in a penetrating and sliding mode, so that bearings of different sizes can be conveniently sanded; the bottom of the sander 3 is rotatably connected with a sanding column 302; the upper part of the main frame 1 is rotatably connected with a fixed disc 2; the fixed disc 2 comprises an inner fixed block 201, a transmission shaft 202, a second screw rod 203 and a tooth block 204, and the top of the fixed disc 2 is connected with the inner fixed block 201 in a sliding manner; the inner fixing block 201 is surrounded by six parts to form a fixing group, three parts are arranged at the top of the fixing disc 2, and three bearings are fixed at the same time, so that seamless conversion of bearing polishing is facilitated, and the step time for replacing the bearings is shortened; the lower part of the inner fixing block 201 is fixedly connected with a second screw rod 203; the tail end of the second screw rod 203 is meshed with the transmission shaft 202 and is rotationally connected; the center of the fixed disk 2 is connected with an inner fixed column 6 in a penetrating and rotating way; the inner fixing column 6 comprises an upper fixing ring 601, an inner spiral strip 602 and a supporting strip 603, and the bottom end of the inner fixing column 6 is fixedly connected with the main frame 1; the top of the inner fixing column 6 is connected with an upper fixing ring 601 in a nested and meshed manner; the middle part of the upper fixing ring 601 is rotatably connected with a supporting bar 603; the tail ends of the supporting bars 603 are rotatably connected with the inner spiral bars 602; the upper part of the main frame 1 is connected with an outer fixing block 5 in a sliding way; the outer fixing block 5 comprises an outer spiral strip 501 and a third screw rod 502, and the bottom of the outer fixing block 5 is connected with the third screw rod 502 in a penetrating manner; the third screw rod 502 is in running-through rotary connection with the main frame 1, the third screw rod 502 is rotated, the outer fixing block 5 moves transversely, and compatibility of bearings with different sizes is enhanced; the top of the outer fixing block 5 is fixedly provided with an outer spiral strip 501, the inclination degrees of the outer spiral strip 501 and the inner spiral strip 602 are consistent, the bottom ends of the outer spiral strip 501 and the inner spiral strip 602 are slidably connected with the top of the fixing disc 2, so that the polished bearing moves upwards along the outer spiral strip 501 and the inner spiral strip 602, and the polished bearing slides out through the material outlet block 4, so that a worker does not need to manually take out the polished bearing, the processing procedures are reduced, and the processing efficiency is improved; the top of the main frame 1 is fixedly connected with a discharging block 4; the discharging block 4 comprises a blocking strip 401, and the top of the discharging block 4 is fixedly provided with one blocking strip 401; the top sliding connection of blend stop 401 and outer spiral strip 501 and interior spiral strip 602, ejection of compact piece 4 front portion agree with mutually with the gradient on outer spiral strip 501 upper portion, and 4 rear portions of ejection of compact piece lean out, and the bearing that finishes of polishing need not the manual bearing that finishes of taking out of personnel through ejection of compact piece 4 roll-off, reduces manufacturing procedure, is favorable to improving machining efficiency.
Further, a tooth block 204 is fixedly arranged at the tail end of the second screw rod 203, teeth are arranged outside the tooth block 204, the tooth block 204 is meshed with the toothed ring 102, when the fixed disc 2 rotates to the toothed ring 102, the tooth block 204 is meshed with the toothed ring 102 to rotate, the inner fixed block 201 releases a tightly supporting bearing, a person does not need to manually rotate the second screw rod 203, the operation of the person is reduced, and the working efficiency is improved.
Further, the head end of the supporting bar 603 is provided with a circular ring, the circular ring is connected with the inner fixing column 6 and the upper fixing ring 601 in an embedded rotating mode, the inner spiral strip 602 is a long strip arranged in a spiral lifting mode, the polished bearing moves upwards along the outer spiral strip 501 and the inner spiral strip 602, the polished bearing does not need to be manually taken out by a person, the number of machining processes is small, and machining efficiency is improved.
The working principle is as follows: the sander 3 of the invention is internally provided with a motor which drives a sanding column 302 to rotate, the outer ring of a bearing is sanded by the sanding column 302, the inner ring of the bearing is supported and fixed by an inner fixed block 201, the position of the inner fixed block 201 is adjusted by a second screw rod 203, the inner diameters of bearings with different sizes are conveniently fixed, the applicability of the lifting device is improved, three bearings can be fixed at the top of a fixed disc 2, the continuous sanding processing of the bearing is convenient, the sanding efficiency is improved, the inner fixed block 201 is supported and fixed at the inner ring of the bearing by the second screw rod 203, the tail end of the second screw rod 203 is provided with a tooth block 204, when the fixed disc 2 rotates to a tooth ring 102, the tooth block 204 is meshed with the tooth ring 102 to rotate, the inner fixed block 201 loosens the supported bearing, personnel does not need to manually rotate the second screw rod 203, the operation of the personnel is reduced, the working efficiency is improved, and the outer spiral, the polished bearing moves upwards along the outer spiral strips 501 and the inner spiral strips 602, the polished bearing slides out through the discharging block 4, the polished bearing does not need to be manually taken out by a worker, the processing procedures are reduced, the processing efficiency is improved, the outer spiral strips 501 and the inner spiral strips 602 can horizontally move, and the bearing can be conveniently adapted to bearings with different sizes.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (8)
1. The utility model provides a surrounding type grinding device that bearing inner race used after slightly colliding with, its characterized in that: comprises a main frame (1); the main frame (1) comprises a fixed seat (101) and a toothed ring (102), and the top of the main frame (1) is provided with the toothed ring (102); the middle part of the main frame (1) is fixedly connected with a fixed seat (101); the top of the fixed seat (101) is in penetrating and rotating connection with a sander (3); the sander (3) comprises a first screw rod (301), a sanding column (302) and a limiting rod (303), and the sander (3) is connected with the first screw rod (301) in a penetrating and meshing mode; the bottom of the sander (3) is rotatably connected with a sanding column (302); the upper part of the main frame (1) is rotatably connected with a fixed disc (2); the fixed disc (2) comprises an inner fixed block (201), a transmission shaft (202), a second screw rod (203) and a tooth block (204), and the top of the fixed disc (2) is connected with the inner fixed block (201) in a sliding manner; the lower part of the inner fixed block (201) is fixedly connected with a second screw rod (203); the tail end of the second screw rod (203) is meshed with the transmission shaft (202) and is rotationally connected; the center of the fixed disc (2) is connected with an inner fixed column (6) in a penetrating and rotating way; the inner fixing column (6) comprises an upper fixing ring (601), an inner spiral strip (602) and a supporting strip (603), and the bottom end of the inner fixing column (6) is fixedly connected with the main frame (1); the top of the inner fixing column (6) is connected with an upper fixing ring (601) in a nested and meshed manner; the middle part of the upper fixing ring (601) is rotatably connected with a support bar (603); the tail end of the supporting bar (603) is rotatably connected with the inner spiral bar (602); the upper part of the main frame (1) is connected with an outer fixing block (5) in a sliding way; the outer fixing block (5) comprises an outer spiral strip (501) and a third screw rod (502), and the bottom of the outer fixing block (5) is connected with the third screw rod (502) in a penetrating manner; the top of the main frame (1) is fixedly connected with a discharging block (4); the discharging block (4) comprises a blocking strip (401), and the top of the discharging block (4) is fixedly provided with the blocking strip (401).
2. The surrounding type grinding device used after the bearing outer ring is slightly collided with the surface of the bearing outer ring according to claim 1, and is characterized in that: the tail end of the first screw rod (301) is connected with the fixing seat (101) in a penetrating and rotating mode, the tail end of the limiting rod (303) is fixedly connected with the fixing seat (101), and the limiting rod (303) is connected with the sander (3) in a penetrating and sliding mode.
3. The surrounding type grinding device used after the bearing outer ring is slightly collided with the surface of the bearing outer ring according to claim 1, and is characterized in that: the inner fixing block (201) surrounds six positions to form a fixing group, and the fixing group is provided with three positions on the top of the fixing disc (2).
4. The surrounding type grinding device used after the bearing outer ring is slightly collided with the surface of the bearing outer ring according to claim 1, and is characterized in that: a tooth block (204) is fixedly arranged at the tail end of the second screw rod (203), teeth are arranged outside the tooth block (204), and the tooth block (204) is meshed and connected with the toothed ring (102).
5. The surrounding type grinding device used after the bearing outer ring is slightly collided with the surface of the bearing outer ring according to claim 1, and is characterized in that: the head end of the support bar (603) is provided with a circular ring, the circular ring is connected with the inner fixing column (6) and the upper fixing ring (601) in a nested and rotating mode, and the inner spiral strip (602) is a long strip which is spirally lifted.
6. The surrounding type grinding device used after the bearing outer ring is slightly collided with the surface of the bearing outer ring according to claim 1, and is characterized in that: the third screw rod (502) is connected with the main frame (1) in a penetrating and rotating mode, the third screw rod (502) is rotated, and the outer fixing block (5) moves transversely.
7. The surrounding type grinding device used after the bearing outer ring is slightly collided with the surface of the bearing outer ring according to claim 1, and is characterized in that: the top of the outer fixing block (5) is fixedly provided with an outer spiral strip (501), the inclination degree of the outer spiral strip (501) is consistent with that of the inner spiral strip (602), and the bottom ends of the outer spiral strip (501) and the inner spiral strip (602) are in sliding connection with the top of the fixing disc (2).
8. The surrounding type grinding device used after the bearing outer ring is slightly collided with the surface of the bearing outer ring according to claim 1, and is characterized in that: the blocking strip (401) is in sliding connection with the tops of the outer spiral strip (501) and the inner spiral strip (602), the front part of the discharging block (4) is matched with the inclination of the upper part of the outer spiral strip (501), and the rear part of the discharging block (4) inclines outwards.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110235115.9A CN112975668B (en) | 2021-03-03 | 2021-03-03 | Surrounding type grinding device used after bearing outer ring is slightly collided |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110235115.9A CN112975668B (en) | 2021-03-03 | 2021-03-03 | Surrounding type grinding device used after bearing outer ring is slightly collided |
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| Publication Number | Publication Date |
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| CN112975668A true CN112975668A (en) | 2021-06-18 |
| CN112975668B CN112975668B (en) | 2022-10-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110235115.9A Active CN112975668B (en) | 2021-03-03 | 2021-03-03 | Surrounding type grinding device used after bearing outer ring is slightly collided |
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| Country | Link |
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| CN (1) | CN112975668B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113681400A (en) * | 2021-09-02 | 2021-11-23 | 深圳市尚嘉瑞科技有限公司 | Grinding device for high-speed motor train unit bearing |
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| CN212122636U (en) * | 2020-01-25 | 2020-12-11 | 吴婧娴 | Novel bearing processing is with polishing device |
| CN112092443A (en) * | 2020-09-02 | 2020-12-18 | 刘一笑 | Pop can compression processing robot |
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2021
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| AU2088570A (en) * | 1970-01-14 | 1972-04-13 | Honeywell Inc | Slider bearing surface generation |
| US20010041650A1 (en) * | 1999-09-07 | 2001-11-15 | Nikon Corporation | Polishing device and polishing pad component exchange device and method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113681400A (en) * | 2021-09-02 | 2021-11-23 | 深圳市尚嘉瑞科技有限公司 | Grinding device for high-speed motor train unit bearing |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112975668B (en) | 2022-10-25 |
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Effective date of registration: 20220923 Address after: 200000 room V1073, 1f, building 1, 1755 Hongmei South Road, Minhang District, Shanghai Applicant after: Shanghai Luoling Industrial Technology Co.,Ltd. Address before: 336000 Jiangxi Yichun City Gao 'an Industrial Park (Dusheng Town Industrial Park) Jiangxi Youquan Bearing o.,Ltd. Applicant before: Wu Xiaoping |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A surround polishing device used after slight collision of the outer ring of a bearing Effective date of registration: 20230714 Granted publication date: 20221025 Pledgee: Shanghai Rural Commercial Bank Co.,Ltd. Xuhui sub branch Pledgor: Shanghai Luoling Industrial Technology Co.,Ltd. Registration number: Y2023310000377 |