CN109333187B - Bearing machining device with measurement accuracy function - Google Patents
Bearing machining device with measurement accuracy function Download PDFInfo
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- CN109333187B CN109333187B CN201811174100.0A CN201811174100A CN109333187B CN 109333187 B CN109333187 B CN 109333187B CN 201811174100 A CN201811174100 A CN 201811174100A CN 109333187 B CN109333187 B CN 109333187B
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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
- B24B5/00—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor
- B24B5/36—Single-purpose machines or devices
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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
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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
- B24B5/00—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor
- B24B5/35—Accessories
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
- Constituent Portions Of Griding Lathes, Driving, Sensing And Control (AREA)
Abstract
The invention discloses a bearing processing device with a function of measuring precision, which comprises a processing table, wherein a plurality of bearing placing grooves are uniformly arranged at the upper end of the processing table, two sliding grooves are respectively arranged at two sides in the bearing placing grooves, bearings with different types and thicknesses can be placed on high-temperature-resistant pressing plates by arranging the bearing placing grooves and arranging springs below the high-temperature-resistant pressing plates in the bearing placing grooves, then required bearings are fixed at different heights by a fixed clamping mechanism at the upper end, a screw rod is arranged at the upper end in the device, an electric polishing head can move in the horizontal direction, a plurality of bearings at the lower part are sequentially and rapidly processed, the processing efficiency of the bearings is greatly improved, the infrared distance meters are arranged at two sides of a cross connecting transverse plate, the measuring precision can be carried out when the bearings are processed, the processing is more accurate, the structure of the device is simple and practical, the operation is convenient, and the use efficiency of the bearing processing device can be greatly improved.
Description
The technical field is as follows:
the invention belongs to the technical field of bearing machining, and particularly relates to a bearing machining device with a measurement precision function.
Background art:
the bearing is an important part in the modern mechanical equipment. Its main function is to support the mechanical rotator, reduce the friction coefficient in its motion process and ensure its rotation precision, and the bearings can be divided into two categories of rolling bearing and sliding bearing according to the difference of friction properties of the moving elements. The rolling bearing is standardized and serialized, but compared with a sliding bearing, the rolling bearing has larger radial size, vibration and noise and higher price, and generally consists of an outer ring, an inner ring, a rolling body and a retainer. According to the shape of rolling element, antifriction bearing divide into ball bearing and roller bearing two big types, but current bearing processing is only simple to process the bearing steel pipe to gain the bearing, to bearing processing at present, no matter precision or stability are all relatively poor, if will add the processing to big batch not unidimensional bearing simultaneously, need fixed dismantlement repeatedly, reduce machining efficiency.
The invention content is as follows:
the present invention has been made to solve the above problems, and an object of the present invention is to provide a bearing machining apparatus having a function of measuring accuracy, which solves the problems of the prior art.
In order to solve the above problems, the present invention provides a technical solution:
a bearing processing device with a measurement precision function comprises a processing table, wherein a plurality of bearing placing grooves are uniformly arranged at the upper end of the processing table, two sliding grooves are formed in two sides in each bearing placing groove, two sliding blocks are connected to the two sliding grooves, a high-temperature-resistant pressing plate is connected between two sides, close to each other, of each sliding block, a spring is connected to the lower end of each high-temperature-resistant pressing plate, one end, away from each high-temperature-resistant pressing plate, of each spring is connected with a spring bottom plate, the spring bottom plate is located at the bottom in each bearing placing groove, the high-temperature-resistant pressing plates are connected with the spring bottom plate through the springs, a fixing clamping mechanism is arranged at one end, away from the spring bottom plate, of each bearing placing groove, fixing vertical plates are arranged on two sides of the fixing clamping mechanism and located on two sides above the bearing placing grooves, two adjusting nuts are arranged in the fixing vertical plates in an inserting mode, and limiting bolts are arranged in the two adjusting nuts, the processing platform is characterized in that one end of the limiting bolt is connected with a bolt cap, one end, far away from the bolt cap, of the limiting bolt is connected with an anti-slip rubber pressing sheet, the bolt cap is connected with the anti-slip rubber pressing sheet through the limiting bolt, a fixed connecting frame is arranged above the processing platform, a bearing groove is formed in one side of the fixed connecting frame, and a screw rod bearing is arranged in the bearing groove.
Preferably, one end of the screw rod bearing is connected with a screw rod, the screw rod is sleeved with a first adjusting nut, the upper end of the screw rod and the position between the top ends in the processing table are connected with a first sliding groove, one side of the lower end of the first sliding groove is connected with a first limiting baffle, the other side, away from the first limiting baffle, of the lower end of the first sliding groove is connected with a second limiting baffle, the first sliding groove is connected with a first sliding block, one end, away from the first sliding groove, of the first sliding block is connected with a connecting rod, one end, away from the first sliding block, of the connecting rod is connected with a first adjusting nut, the first adjusting nut is connected with the first sliding block through the connecting rod, the upper part of the outer side of the fixed connecting frame is connected with a motor box, the bottom end in the motor box is provided with a motor base, the upper end of the motor base is connected with a screw rod servo motor, the screw rod servo motor is away from one end of the motor base, and the PLC control center is connected in the motor box, one side that lead screw servo motor is close to fixed connection frame is connected with the pivot No. one, the one end that the lead screw servo motor was kept away from in the pivot is connected with the gear No. one, lead screw servo motor is connected with the gear No. one through the pivot No. one, gear top and be equipped with the gear No. two in the motor case.
Preferably, one side of the second gear, which is close to the fixed connecting frame, is connected with a second rotating shaft, one end of the second rotating shaft, which is far away from the second gear, penetrates through the fixed connecting frame and is connected with a coupler, the second gear is connected with the coupler through a second rotating shaft, one end of the screw rod, which is far away from the screw rod bearing, is connected with the coupler, one end of the first adjusting nut, which is far away from the connecting rod, is connected with a fixing piece, one end of the fixing piece, which is far away from the first adjusting nut, is connected with a cylinder, and both sides of the lower bottom end of the fixing piece are connected with all-metal hexagonal bolts, the fixing piece is connected with the cylinder through the all-metal hexagonal bolts, the lower bottom end of the cylinder is connected with a cross plate, one end of the cylinder far away from the fixing piece is connected with a telescopic rod, the telescopic link passes the handing-over diaphragm and is connected with electronic grinding head, all be connected with infrared distancer on the outer both sides of handing-over diaphragm.
Preferably, the adjusting nut is fixedly connected with the connecting rod and the fixing part, and the adjusting nut is movably connected with the sliding groove through the sliding block.
Preferably, the second adjusting nut is fixedly connected with the fixed vertical plate, and the limiting bolt is movably connected with the fixed vertical plate through the second adjusting nut.
Preferably, the second gear and the first gear are connected through meshing.
Preferably, the first sliding groove and the screw rod are both horizontally arranged with the horizontal plane, and the first sliding groove and the screw rod are parallel to each other.
Preferably, the infrared distance measuring instruments are symmetrically arranged relative to the cross-connecting transverse plate, and the models of the infrared distance measuring instruments are H-D410.
The invention has the beneficial effects that: according to the bearing processing device with the precision measuring function, the plurality of bearing placing grooves are formed, the springs are arranged below the high-temperature-resistant pressing plates in the bearing placing grooves, bearings with different types and thicknesses can be placed on the high-temperature-resistant pressing plates, then fixing of different heights of the required bearings is carried out through the upper-end fixing and clamping mechanism, the lead screw is arranged at the upper end in the device, the electric polishing head can move in the horizontal direction, a plurality of bearings below the electric polishing head are sequentially and quickly processed, the processing efficiency of the bearings is greatly improved, the precision can be measured when the bearings are processed through the infrared distance measuring instruments arranged on the two sides of the cross-connecting transverse plate, and the processing is more accurate.
Description of the drawings:
for ease of illustration, the invention is described in detail by the following detailed description and the accompanying drawings.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged schematic view of the invention at A;
FIG. 3 is an enlarged view of the structure of the present invention at B;
fig. 4 is a schematic view of the connection structure of the fixing clamping mechanism of the invention.
In the figure: 1. a processing table; 2. a fixed connecting frame; 3. a bearing groove; 4. a screw bearing; 5. a first chute; 6. a first limit baffle; 7. a second limit baffle; 8. a first sliding block; 9. a screw rod; 10. a first adjusting nut; 11. a connecting rod; 12. a fixing member; 13. all-metal hexagonal bolts; 14. a cylinder; 15. a telescopic rod; 16. an electric polishing head; 17. fixing the clamping mechanism; 18. a motor case; 19. a motor base; 20. a screw rod servo motor; 21. a PLC control center; 22. a first rotating shaft; 23. a first gear; 24. a second gear; 25. a second rotating shaft; 26. a coupling; 27. a bearing placing groove; 28. a second chute; 29. a second sliding block; 30. a high temperature resistant press plate; 31. a spring; 32. a spring bottom plate; 33. fixing a vertical plate; 34. a second adjusting nut; 35. a limit bolt; 36. a bolt cap; 37. an anti-skid rubber tablet; 38. connecting transverse plates; 39. an infrared distance meter.
The specific implementation mode is as follows:
as shown in fig. 1 to 4, the following technical solutions are adopted in the present embodiment: a bearing processing device with a measurement precision function comprises a processing table 1, wherein a plurality of bearing placing grooves 27 are uniformly arranged at the upper end of the processing table 1, two sliding grooves 28 are respectively arranged at two sides in the bearing placing grooves 27, two sliding blocks 29 are connected on the two sliding grooves 28, a high-temperature-resistant pressing plate 30 is connected between two sides where the two sliding blocks 29 are close to each other, the lower end of the high-temperature-resistant pressing plate 30 is connected with a spring 31, one end, far away from the high-temperature-resistant pressing plate 30, of the spring 31 is connected with a spring bottom plate 32, the spring bottom plate 32 is positioned at the bottom in the bearing placing grooves 27, the high-temperature-resistant pressing plate 30 is connected with the spring bottom plate 32 through the spring 31, one end, far away from the spring bottom plate 32, of the bearing placing grooves 27 is provided with a fixed clamping mechanism 17, two sides on the fixed clamping mechanism 17 are provided with fixed vertical plates 33, and the fixed vertical plates 33 are positioned at two sides above the bearing placing grooves 27, the fixed riser 33 is provided with two adjusting nuts 34 in an inserting mode, the two adjusting nuts 34 are provided with limiting bolts 35 in an inserting mode, one ends of the limiting bolts 35 are connected with bolt caps 36, one ends, far away from the bolt caps 36, of the limiting bolts 35 are connected with anti-skid rubber pressing sheets 37, the bolt caps 36 are connected with the anti-skid rubber pressing sheets 37 through the limiting bolts 35, the fixed connecting frame 2 is arranged above the machining table 1, the bearing groove 3 is arranged inside one side of the fixed connecting frame 2, and screw rod bearings 4 are arranged in the bearing grooves 3.
Wherein, one end of the screw rod bearing 4 is connected with a screw rod 9, the screw rod 9 is sleeved with a first adjusting nut 10, the upper end of the screw rod 9 is connected with a first sliding groove 5 between the top ends in the processing table 1, one side of the lower end of the first sliding groove 5 is connected with a first limit baffle 6, the other side of the lower end of the first sliding groove 5, which is far away from the first limit baffle 6, is connected with a second limit baffle 7, the first sliding groove 5 is connected with a first sliding block 8, one end of the first sliding block 8, which is far away from the first sliding groove 5, is connected with a connecting rod 11, one end of the connecting rod 11, which is far away from the first sliding block 8, is connected with a first adjusting nut 10, the first adjusting nut 10 is connected with the first sliding block 8 through the connecting rod 11, a motor box 18 is connected above the outer side of the fixed connecting frame 2, a motor base 19 is arranged at the inner bottom end of the motor box 18, and the upper end of the motor base 19 is connected with a screw rod servo motor 20, lead screw servo motor 20 keeps away from in the one end of motor base 19 and is connected with PLC control center 21 in motor case 18, one side that lead screw servo motor 20 is close to fixed connection frame 2 is connected with pivot 22 No. one, pivot 22 is kept away from in the one end of lead screw servo motor 20 and is connected with gear 23 No. one, lead screw servo motor 20 is connected with gear 23 through pivot 22 No. one, gear 23 top and be equipped with No. two gears 24 in motor case 18.
Wherein, one side of the second gear 24 close to the fixed connecting frame 2 is connected with a second rotating shaft 25, one end of the second rotating shaft 25 far away from the second gear 24 passes through the fixed connecting frame 2 to be connected with a coupler 26, the second gear 24 is connected with the coupler 26 through the second rotating shaft 25, one end of the screw rod 9 far away from the screw rod bearing 4 is connected with the coupler 26, one end of the first adjusting nut 10 far away from the connecting rod 11 is connected with a fixed member 12, one end of the fixed member 12 far away from the first adjusting nut 10 is connected with a cylinder 14, both sides of the lower bottom end of the fixed member 12 are connected with all-metal hexagonal bolts 13, the fixed member 12 is connected with the cylinder 14 through all-metal hexagonal bolts 13, the lower bottom end of the cylinder 14 is connected with a cross connecting plate 38, one end of the cylinder 14 far away from the fixed member 12 is connected with a telescopic rod 15, the telescopic rod 15 passes through the cross connecting plate 38 to be connected with an electric polishing head 16, and infrared distance measuring instruments 39 are connected to the two outer sides of the cross connecting plate 38.
Wherein, an adjusting nut 10 all with connecting rod 11 and mounting 12 fixed connection, just an adjusting nut 10 is through a slider 8 and a spout 5 swing joint.
Wherein, No. two adjusting nut 34 and fixed riser 33 fixed connection, stop bolt 35 is through No. two adjusting nut 34 and fixed riser 33 swing joint.
Wherein, the second gear 24 and the first gear 23 are connected through meshing.
Wherein, a spout 5 and lead screw 9 all set up with the horizontal plane level, just a spout 5 and lead screw 9 are parallel to each other.
The infrared distance meters 39 are symmetrically arranged about the cross plate 38, and the infrared distance meters 39 are of the type H-D410.
Specifically, the method comprises the following steps: when the invention is used, bearings with different types and thicknesses are placed on the high-temperature-resistant pressing plate 30 on the bearing placing groove 27, the spring 31 is arranged below the high-temperature-resistant pressing plate 30, the two sides of the high-temperature-resistant pressing plate 30 are connected with the second sliding groove 28 in a sliding manner through the second sliding block 29, the limit bolt 35 on the fixed vertical plate 33 is rotated, the bearings to be machined can be fixed at different heights, the screw rod servo motor 20 is started, the screw rod servo motor 20 drives the second gear 24 to rotate through the first gear 23, the second gear 24 drives the screw rod 9 to rotate, so that the electric polishing head 16 can move in the horizontal direction, a plurality of bearings below are sequentially and rapidly machined, the machining efficiency of the bearings is greatly improved, the infrared distance measuring instruments 39 are arranged on the two sides of the cross connecting plate 38, the measurement precision can be realized when the bearings are machined, and the machining is more accurate, the bearing machining device is simple and practical in structure and convenient to operate, and the use efficiency of the bearing machining device can be greatly improved.
While there have been shown and described what are at present considered to be the fundamental principles of the invention and its essential features and advantages, it will be understood by those skilled in the art that the invention is not limited by the embodiments described above, which are merely illustrative of the principles of the invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the invention as defined by the appended claims and their equivalents.
Claims (6)
1. A bearing processing device with a precision measuring function comprises a processing table (1) and is characterized in that a plurality of bearing placing grooves (27) are uniformly arranged at the upper end of the processing table (1), two sliding grooves (28) are respectively arranged on two sides in each bearing placing groove (27), a second sliding block (29) is connected onto each second sliding groove (28), a high-temperature-resistant pressing plate (30) is connected between two sides of each second sliding block (29) close to each other, the lower end of each high-temperature-resistant pressing plate (30) is connected with a spring (31), one end, far away from each high-temperature-resistant pressing plate (30), of each spring (31) is connected with a spring bottom plate (32), each spring bottom plate (32) is located at the inner bottom of each bearing placing groove (27), each high-temperature-resistant pressing plate (30) is connected with each spring bottom plate (32) through each spring (31), and a fixed clamping mechanism (17) is arranged at one end, far away from each spring bottom plate (32), of each bearing placing groove (27), two sides of the fixed clamping mechanism (17) are provided with fixed vertical plates (33), the fixed vertical plates (33) are positioned on two sides above the bearing placement groove (27), two adjusting nuts (34) are inserted into the fixed vertical plates (33), limiting bolts (35) are inserted into the two adjusting nuts (34), one ends of the limiting bolts (35) are connected with bolt caps (36), one ends, far away from the bolt caps (36), of the limiting bolts (35) are connected with anti-skidding rubber pressing sheets (37), the bolt caps (36) are connected with the anti-skidding rubber pressing sheets (37) through the limiting bolts (35), a fixed connecting frame (2) is arranged above the machining table (1), a bearing groove (3) is formed in one side of the fixed connecting frame (2), and a screw rod bearing (4) is arranged in the bearing groove (3);
one end of the screw rod bearing (4) is connected with a screw rod (9), a first adjusting nut (10) is sleeved on the screw rod (9), the upper end of the screw rod (9) is connected with a first sliding groove (5) between the top ends in the processing table (1), one side of the lower end of the first sliding groove (5) is connected with a first limiting baffle (6), the other side of the lower end of the first sliding groove (5), which is far away from the first limiting baffle (6), is connected with a second limiting baffle (7), the first sliding groove (5) is connected with a first sliding block (8), one end of the first sliding block (8), which is far away from the first sliding groove (5), is connected with a connecting rod (11), one end of the connecting rod (11), which is far away from the first sliding block (8), is connected with the first adjusting nut (10), and the first adjusting nut (10) is connected with the first sliding block (8) through the connecting rod (11), a motor box (18) is connected above one outer side of the fixed connecting frame (2), a motor base (19) is arranged at the inner bottom end of the motor box (18), a screw rod servo motor (20) is connected to the upper end of the motor base (19), one end, far away from the motor base (19), of the screw rod servo motor (20) is connected with a PLC control center (21) in the motor box (18), one side, close to the fixed connecting frame (2), of the screw rod servo motor (20) is connected with a first rotating shaft (22), one end, far away from the screw rod servo motor (20), of the first rotating shaft (22) is connected with a first gear (23), the screw rod servo motor (20) is connected with the first gear (23) through the first rotating shaft (22), and a second gear (24) is arranged above the first gear (23) and in the motor box (18);
one side of the second gear (24) close to the fixed connecting frame (2) is connected with a second rotating shaft (25), one end of the second rotating shaft (25) far away from the second gear (24) penetrates through the fixed connecting frame (2) to be connected with a coupler (26), the second gear (24) is connected with the coupler (26) through the second rotating shaft (25), one end of the lead screw (9) far away from the lead screw bearing (4) is connected with the coupler (26), one end of the first adjusting nut (10) far away from the connecting rod (11) is connected with a fixing piece (12), one end of the fixing piece (12) far away from the first adjusting nut (10) is connected with a cylinder (14), both sides of the lower bottom end of the fixing piece (12) are connected with all-metal hexagonal bolts (13), and the fixing piece (12) is connected with the cylinder (14) through the all-metal hexagonal bolts (13), the cylinder (14) lower bottom end is connected with handing-over diaphragm (38), the one end that fixing piece (12) were kept away from in cylinder (14) is connected with telescopic link (15), telescopic link (15) pass handing-over diaphragm (38) and are connected with electronic grinding head (16), all be connected with infrared distance meter (39) on handing-over diaphragm (38) outer both sides.
2. The bearing machining apparatus with the measurement accuracy function according to claim 1, characterized in that: a adjusting nut (10) all with connecting rod (11) and mounting (12) fixed connection, just adjusting nut (10) through slider (8) and a spout (5) swing joint.
3. The bearing machining apparatus with the measurement accuracy function according to claim 1, characterized in that: no. two adjusting nut (34) and fixed riser (33) fixed connection, stop bolt (35) are through No. two adjusting nut (34) and fixed riser (33) swing joint.
4. The bearing machining apparatus with the measurement accuracy function according to claim 1, characterized in that: the second gear (24) and the first gear (23) are connected through meshing.
5. The bearing machining apparatus with the measurement accuracy function according to claim 1, characterized in that: a spout (5) and lead screw (9) all set up with the horizontal plane level, just spout (5) and lead screw (9) are parallel to each other.
6. The bearing machining apparatus with the measurement accuracy function according to claim 1, characterized in that: the infrared distance measuring instruments (39) are symmetrically arranged relative to the cross-connecting transverse plate (38), and the infrared distance measuring instruments (39) are H-D410 in model number.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811174100.0A CN109333187B (en) | 2018-10-09 | 2018-10-09 | Bearing machining device with measurement accuracy function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811174100.0A CN109333187B (en) | 2018-10-09 | 2018-10-09 | Bearing machining device with measurement accuracy function |
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| CN109333187A CN109333187A (en) | 2019-02-15 |
| CN109333187B true CN109333187B (en) | 2021-12-17 |
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| CN201811174100.0A Active CN109333187B (en) | 2018-10-09 | 2018-10-09 | Bearing machining device with measurement accuracy function |
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| CN110631383B (en) * | 2019-11-01 | 2021-04-27 | 池韬略 | Ash removal device for inner wall of aluminum oxide roasting furnace |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| KR200397694Y1 (en) * | 2005-07-19 | 2005-10-06 | (주) 대호 | the honing equipment for inner or outer casing hole of bearing |
| CN105033789A (en) * | 2015-07-28 | 2015-11-11 | 安徽潜山轴承制造有限公司 | Bearing polishing machine with high practicability |
| CN106985018A (en) * | 2017-05-21 | 2017-07-28 | 盐城市三川轴承制造有限公司 | A kind of bearing grinding apparatus |
| CN206869566U (en) * | 2017-06-06 | 2018-01-12 | 湖南美蓓达科技股份有限公司 | A kind of bearing grinding apparatus |
| CN207206021U (en) * | 2017-08-08 | 2018-04-10 | 浙江卡卡自动化设备有限公司 | A kind of bearing outer ring end face sanding apparatus |
| CN107471025A (en) * | 2017-08-23 | 2017-12-15 | 张建钧 | A kind of wind power tower drum groove trimming device |
| CN108145549A (en) * | 2017-12-23 | 2018-06-12 | 新昌县镜岭镇胜泰轴承配件厂 | A kind of low noise bearing end face grinding device |
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Effective date of registration: 20211130 Address after: 056000 Cheng'an Industrial Zone, Cheng'an County, Handan City, Hebei Province Applicant after: HEBEI YINHE ROLLING MILL BEARING Co.,Ltd. Address before: 325100 room 2002, building 11, Zhongnan times garden, Yongxing Road, Nancheng street, Yongjia County, Wenzhou City, Zhejiang Province Applicant before: Zhou Yujian |
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Denomination of invention: A bearing processing device with measuring accuracy function Effective date of registration: 20230302 Granted publication date: 20211217 Pledgee: China Everbright Bank Handan branch Pledgor: HEBEI YINHE ROLLING MILL BEARING Co.,Ltd. Registration number: Y2023980033880 |