CN114670066A - Bearing ring inner surface grinding device - Google Patents
Bearing ring inner surface grinding device Download PDFInfo
- Publication number
- CN114670066A CN114670066A CN202210304200.0A CN202210304200A CN114670066A CN 114670066 A CN114670066 A CN 114670066A CN 202210304200 A CN202210304200 A CN 202210304200A CN 114670066 A CN114670066 A CN 114670066A
- Authority
- CN
- China
- Prior art keywords
- damping spring
- bearing ring
- cylinder
- fixedly connected
- chucking
- 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.)
- Pending
Links
- 230000007246 mechanism Effects 0.000 claims abstract description 39
- 238000013016 damping Methods 0.000 claims abstract description 33
- 238000005498 polishing Methods 0.000 claims abstract description 19
- 238000009434 installation Methods 0.000 claims abstract description 7
- 230000005540 biological transmission Effects 0.000 claims description 27
- 239000011120 plywood Substances 0.000 claims description 6
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 4
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 4
- 241001330002 Bambuseae Species 0.000 claims description 4
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 4
- 239000011425 bamboo Substances 0.000 claims description 4
- 238000006073 displacement reaction Methods 0.000 abstract description 3
- 238000001125 extrusion Methods 0.000 abstract 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- 230000035939 shock Effects 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 229910052742 iron Inorganic materials 0.000 description 3
- 238000010586 diagram Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000009347 mechanical transmission Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
Images
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
- B24B5/00—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor
- B24B5/02—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor involving centres or chucks for holding work
- B24B5/06—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor involving centres or chucks for holding work for grinding cylindrical surfaces internally
- B24B5/08—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor involving centres or chucks for holding work for grinding cylindrical surfaces internally involving a vertical tool spindle
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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
- B24B27/02—Bench grinders
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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
- B24B41/007—Weight compensation; Temperature compensation; Vibration damping
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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
-
- 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
- B24B5/355—Feeding means
-
- 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
- B24B55/00—Safety devices for grinding or polishing machines; Accessories fitted to grinding or polishing machines for keeping tools or parts of the machine in good working condition
- B24B55/12—Devices for exhausting mist of oil or coolant; Devices for collecting or recovering materials resulting from grinding or polishing, e.g. of precious metals, precious stones, diamonds or the like
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Constituent Portions Of Griding Lathes, Driving, Sensing And Control (AREA)
Abstract
The invention relates to the technical field of grinding devices, in particular to a grinding device for the inner surface of a bearing ring, which comprises an installation mechanism, a plurality of fixing mechanisms and a grinding mechanism, wherein the installation mechanism is arranged on the inner surface of the bearing ring; the mounting mechanism comprises a workbench, a mounting seat and a shell cover; fixing mechanism includes drive assembly, the conveyer belt, two chucking boards, two direction subassemblies, two damping spring and two agree with the board, place the bearing inner race between two chucking boards on the clamshell, drive assembly drive conveyer belt drives two chucking boards and is close to each other, make the chucking board promote to agree with the board through the direction subassembly and be close to the bearing inner race, the damping spring in the extrusion direction subassembly after chucking board and the contact of bearing inner race, until damping spring reachs the predetermined deformation volume, damping spring absorbs the produced vibration of bearing inner race when polishing this moment, the problem that the bearing inner race can take place the displacement on fixed subassembly because of the produced vibration when polishing has been solved.
Description
Technical Field
The invention relates to the technical field of grinding devices, in particular to a grinding device for the inner surface of a bearing ring.
Background
The bearing is a mechanical part which is used for fixing and reducing the load friction coefficient in the mechanical transmission process, and is divided into a bearing outer ring, a bearing inner ring and balls, so that the bearing outer ring, the bearing inner ring and the balls need to be manufactured synchronously when the bearing is manufactured, then the bearing outer ring, the bearing inner ring and the balls are assembled into a complete bearing, and the inner surface and the outer surface of the bearing ring need to be polished when the bearing outer ring and the bearing inner ring are manufactured.
At present, prior art (CN110253353A) discloses an inner circle grinding device for bearing manufacturing, including the processing platform, be fixed with the mount on the processing platform, the top of mount is provided with the rotation motor, be connected with the rotation diaphragm on the output shaft of rotation motor, be provided with fixed subassembly on the rotation diaphragm, be fixed with two sets of risers on the processing platform, it is two sets of the riser symmetry respectively sets up the both sides at the mount. The bearing inner ring grinding device is novel in structure, can quickly and simply fix the bearing inner ring, is convenient for grinding the bearing inner ring, is simple and convenient for adjusting the distance between the grinding assembly and the bearing inner ring, is used for grinding bearings with different wall thicknesses, is simple and convenient to replace the grinding block, and is convenient to popularize and use.
Adopt above-mentioned mode, through fixed subassembly with bearing inner race's interior anchor ring face after fixed to the bearing vibration that produces when polishing can make the bearing take place the displacement on fixed subassembly to break away from fixed subassembly, thereby the influence is to bearing inner race's the effect of polishing.
Disclosure of Invention
The invention aims to provide a grinding device for the inner surface of a bearing ring, and aims to solve the problem that a bearing inner ring can displace on a fixed assembly due to vibration generated during grinding.
In order to achieve the purpose, the invention provides a polishing device for the inner surface of a bearing ring, which comprises an installation mechanism, a plurality of fixing mechanisms and a polishing mechanism;
the polishing mechanism is arranged on one side of the workbench close to the mounting seat, and a plurality of fixing mechanisms are respectively arranged on one side of the mounting seat close to the shell cover;
fixing mechanism includes drive assembly, conveyer belt, two head plates, two direction subassemblies, two damping spring and two agree with the plywood, drive assembly set up in the mount pad is close to one side of clamshell, 8 covers of conveyer belt are located drive assembly is last, two the head plates respectively with conveyer belt fixed connection, and with clamshell sliding connection all runs through the clamshell, two the direction subassembly respectively with two the head plate fixed connection all is located the lateral wall of head plate, two damping spring respectively with two direction subassembly fixed connection all is located in the direction subassembly, two agree with the plywood respectively with two direction subassembly fixed connection all is located keep away from one side of head plate.
The fixing mechanism further comprises two anti-skid pads, the two anti-skid pads are fixedly connected with the two fitting plates respectively and are located on one side far away from the guide assembly.
The guide assembly comprises a fixed cylinder and a guide cylinder, the fixed cylinder is fixedly connected with the clamping plate and is positioned on the outer side wall of the clamping plate, the damping spring is fixedly connected with the fixed cylinder and is positioned in the fixed cylinder, the guide cylinder is fixedly connected with the damping spring and penetrates through the fixed cylinder, and the clamping plate is fixedly connected with the fixed cylinder and is positioned on one side of the damping spring.
The guide assembly further comprises a limiting block, and the limiting block is fixedly connected with the guide cylinder and is positioned in the fixed cylinder.
Wherein, drive assembly includes motor, two pivots and two transmission section of thick bamboo, two one side of pivot respectively with the mount pad rotates to be connected, two the opposite side of pivot respectively with the clamshell rotates to be connected, and is located the mount pad with between the clamshell, the motor with mount pad fixed connection, just the motor output with pivot fixed connection, two are located to the conveyer belt cover on the transmission section of thick bamboo.
The driving assembly 7 further comprises four retaining rings, and the four retaining rings are respectively connected with the two transmission cylinders in pairs in a rotating mode and are located on the outer side wall of each transmission cylinder.
The driving assembly 7 further comprises a plurality of clamping blocks, the conveyor belt is provided with a plurality of fitting grooves, one side of each clamping block is fixedly connected with the two transmission cylinders and is located around the transmission cylinder, and the other side of each clamping block is fitted with the fitting groove.
According to the polishing device for the inner surface of the bearing ring, the bearing inner ring is placed between the two clamping plates on the shell, the driving assembly drives the conveyor belt to drive the two clamping plates to approach each other, so that the clamping plates push the fit plates to approach the bearing inner ring through the guide assembly, the damping spring in the guide assembly is extruded after the clamping plates contact the bearing inner ring until the damping spring reaches the preset deformation amount, the damping spring absorbs vibration generated when the bearing inner ring is polished, and the problem that the bearing inner ring can displace on the fixed assembly due to the vibration generated when the bearing inner ring is polished is solved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a grinding device for the inner surface of a bearing ring provided by the invention.
Fig. 2 is a side view of a grinding device for the inner surface of a bearing ring provided by the invention.
Fig. 3 is a cross-sectional view taken along plane a-a of fig. 2.
Fig. 4 is an enlarged view of detail B of fig. 3.
FIG. 5 is a sectional view of the rotary shaft, the driving cylinder, the latch, the conveyor belt and the engagement groove.
1-mounting mechanism, 2-fixing mechanism, 3-polishing mechanism, 4-workbench, 5-mounting seat, 6-shell cover, 7-driving component, 8-conveyor belt, 9-clamping plate, 10-guiding component, 11-damping spring, 12-wedging plate, 13-non-slip pad, 14-fixing cylinder, 15-guiding cylinder, 16-limiting block, 17-motor, 18-rotating shaft, 19-driving cylinder, 20-retaining ring, 21-clamping block, 22-wedging groove, 23-magnetic strip and 24-damping pad.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention. Further, in the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
Referring to fig. 1 to 5, the present invention provides a polishing device for an inner surface of a bearing ring, which includes an installation mechanism 1, a plurality of fixing mechanisms 2 and a polishing mechanism 3;
the mounting mechanism 1 comprises a workbench 4, a mounting seat 5 and a shell cover 6, the mounting seat 5 is fixedly connected with the workbench 4 and is positioned on one side of the workbench 4, the shell cover 6 is fixedly connected with the mounting seat 5 and is positioned on one side far away from the workbench 4, the polishing mechanism 3 is arranged on one side of the workbench 4 close to the mounting seat 5, and the fixing mechanisms 2 are respectively arranged on one side of the mounting seat 5 close to the shell cover 6;
fixing mechanism 2 includes drive assembly 7, conveyer belt 8, two chucking boards 9, two direction subassemblies 10, two damping spring 11 and two agree with plywood 12, drive assembly 7 set up in mount pad 5 is close to one side of clamshell 6, 8 covers of conveyer belt are located on the drive assembly 7, two chucking boards 9 respectively with 8 fixed connection of conveyer belt, and with 6 sliding connection of clamshell all runs through clamshell 6, two direction subassembly 10 respectively with two chucking board 9 fixed connection all is located the lateral wall of chucking board 9, two damping spring 11 respectively with two direction subassembly 10 fixed connection all is located in the direction subassembly 10, two agree with plywood 12 respectively with two direction subassembly 10 fixed connection all is located keep away from one side of chucking board 9.
In this embodiment, the workbench 4 of the mounting mechanism 1 provides mounting conditions for the mounting base 5 and the polishing mechanism 3, the mounting base 5 provides mounting conditions for the housing 6 and the fixing mechanism 2, the housing 6 is used for protecting the fixing mechanism 2 and placing a bearing inner ring to be polished, the fixing mechanism 2 is used for fixing the position of the bearing inner ring on the housing 6, specifically, the bearing inner ring is placed between two clamping plates 9 on the housing 6, the driving assembly 7 drives the conveyor belt 8 to drive the two clamping plates 9 to approach each other, so that the clamping plates 9 push the wedging plates 12 to approach the bearing inner ring through the guiding assembly 10, and the damping springs 11 in the guiding assembly 10 are pressed after the clamping plates 9 contact the bearing inner ring, until damping spring 11 reaches and predetermines the deformation volume, fix the completion to the bearing inner race promptly, grinding mechanism 3 polishes the exposed surface of bearing inner race, and damping spring 11 absorbs the produced vibration of bearing inner race when polishing this moment, has solved the bearing inner race and can take place the displacement because of the produced vibration when polishing on fixed subassembly problem.
Further, the fixing mechanism 2 further comprises two anti-skid pads 13, and the two anti-skid pads 13 are respectively and fixedly connected with the two wedging plates 12 and are both positioned at one side far away from the guide assembly 10; the guide assembly 10 comprises a fixed cylinder 14 and a guide cylinder 15, the fixed cylinder 14 is fixedly connected with the chucking plate 9 and is positioned on the outer side wall of the chucking plate 9, the damping spring 11 is fixedly connected with the fixed cylinder 14 and is positioned in the fixed cylinder 14, the guide cylinder 15 is fixedly connected with the damping spring 11 and penetrates through the fixed cylinder 14, and the chucking plate 9 is fixedly connected with the fixed cylinder 14 and is positioned on one side far away from the damping spring 11; the guide assembly 10 further comprises a limiting block 16, and the limiting block 16 is fixedly connected with the guide cylinder 15 and is positioned in the fixed cylinder 14; the driving assembly 7 comprises a motor 17, two rotating shafts 18 and two transmission cylinders 19, one sides of the two rotating shafts 18 are respectively rotatably connected with the mounting base 5, the other sides of the two rotating shafts 18 are respectively rotatably connected with the housing cover 6 and are positioned between the mounting base 5 and the housing cover 6, the motor 17 is fixedly connected with the mounting base 5, the output end of the motor 17 is fixedly connected with the rotating shafts 18, and the conveyor belt 8 is sleeved on the two transmission cylinders 19; the driving assembly 7 further comprises four retaining rings 20, and every two of the four retaining rings 20 are in pair, are respectively in rotating connection with the two transmission cylinders 19 and are all located on the outer side walls of the transmission cylinders 19; the driving assembly 7 further comprises a plurality of clamping blocks 21, the conveyor belt 8 is provided with a plurality of fitting grooves 22, one sides of the plurality of clamping blocks 21 are fixedly connected with the two transmission cylinders 19 respectively and are located around the transmission cylinders 19, and the other sides of the clamping blocks 21 are fitted with the fitting grooves 22 respectively.
In this embodiment, two of the chucking plates 9 are relatively disposed on the inner side wall of the conveyor belt 8, the motor 17 drives the rotating shaft 18 connected with the motor to drive the transmission cylinder 19 to rotate, so as to drive the transmission cylinder 19 to slide on the transmission cylinder 19, another transmission cylinder 19 rotates on the rotating shaft 18 along with the sliding direction of the conveyor belt 8 to convey the conveyor belt 8, and drives the two chucking plates 9 to approach each other in the sliding process of the conveyor belt 8, so that the chucking plates 9 drive the engagement plates 12 to contact with the inner ring of the bearing, and the damping spring 11 inside the fixed cylinder 14 is extruded by the guide cylinder 15, the guide cylinder 15 slides in the fixed cylinder 14 to guide the damping spring 11, so that the damping spring 11 can only absorb shock in the fixed cylinder 14, and the damping spring 11 is prevented from being bent due to external force, the damping effect on the bearing inner ring is reduced, the friction force between the bearing inner ring and the engagement plate 12 is increased by the anti-slip pad 13, so that the fixing effect on the bearing inner ring is increased, the diameter of the limiting block 16 is larger than the caliber of the fixed cylinder 14, the guide cylinder 15 is pushed out and separated from the fixed cylinder 14 by the damping spring 11, the stop ring 20 on the transmission cylinder 19 can limit the position of the conveyor belt 8 on the transmission cylinder 19, the conveyor belt 8 is prevented from being separated from the transmission cylinder 19, in the rotating process of the transmission cylinder 19, the peripheral fixture blocks 21 respectively enter the engagement grooves 22 of the conveyor belt 8, the transmission cylinder 19 and the conveyor belt 8 can be prevented from slipping, and the clamping plate 9 cannot be driven to fix the bearing inner ring.
Further, the mounting mechanism 1 further comprises a plurality of magnetic strips 23, and the plurality of magnetic strips 23 are respectively detachably connected with the mounting base 5 and penetrate through the shell cover 6; the installation mechanism 1 further comprises a plurality of shock absorption pads 24, and the shock absorption pads 24 are respectively fixedly connected with the workbench 4 and are located on one side far away from the installation base 5.
In this embodiment, a plurality of magnetic stripe 23 can collect the iron fillings that the bearing inner race got into in the shell 6 when polishing and carry out reutilization, still can avoid getting into the inside iron fillings of shell 6 cause the influence to drive assembly 7's work, will magnetic stripe 23 is followed pull down on the mount pad 5, can be right iron fillings on the magnetic stripe 23 are collected, shock pad 24 can be right grinding machanism 3 during operation transmits for the vibration absorption of workstation 4 has increased the stability of workstation 4.
While the above disclosure describes the preferred embodiment of the present invention, it is understood that the scope of the present invention is not limited thereto, and those skilled in the art will understand that all or part of the process flow of the above embodiment can be realized and equivalents thereof according to the claims of the present invention.
Claims (7)
1. A polishing device for the inner surface of a bearing ring is characterized by comprising an installation mechanism, a plurality of fixing mechanisms and a polishing mechanism;
the polishing mechanism is arranged on one side of the workbench close to the mounting seat, and a plurality of fixing mechanisms are respectively arranged on one side of the mounting seat close to the shell cover;
fixing mechanism includes drive assembly, conveyer belt, two chucking boards, two direction subassemblies, two damping spring and two agree with the plywood, drive assembly set up in the mount pad is close to one side of clamshell, the conveyer belt cover is located drive assembly is last, two the chucking board respectively with conveyer belt fixed connection, and with clamshell sliding connection all runs through the clamshell, two the direction subassembly respectively with two chucking board fixed connection all is located the lateral wall of chucking board, two damping spring respectively with two direction subassembly fixed connection all is located in the direction subassembly, two agree with the plywood respectively with two direction subassembly fixed connection all is located keep away from one side of chucking board.
2. The bearing ring inner surface grinding apparatus as claimed in claim 1,
the fixing mechanism further comprises two anti-slip pads, the two anti-slip pads are fixedly connected with the two fit plates respectively and are located on one side far away from the guide assembly.
3. The bearing ring inner surface grinding apparatus as claimed in claim 1,
the guide assembly comprises a fixed cylinder and a guide cylinder, the fixed cylinder is fixedly connected with the clamping plate and is positioned on the outer side wall of the clamping plate, the damping spring is fixedly connected with the fixed cylinder and is positioned in the fixed cylinder, the guide cylinder is fixedly connected with the damping spring and penetrates through the fixed cylinder, and the clamping plate is fixedly connected with the fixed cylinder and is positioned on one side of the damping spring.
4. The bearing ring inner surface grinding apparatus as claimed in claim 3,
the guide assembly further comprises a limiting block, and the limiting block is fixedly connected with the guide cylinder and is positioned in the fixed cylinder.
5. The bearing ring inner surface grinding apparatus as claimed in claim 1,
drive assembly includes motor, two pivots and two transmission section of thick bamboo, two one side of pivot respectively with the mount pad rotates to be connected, two the opposite side of pivot respectively with the clamshell rotates to be connected, and is located the mount pad with between the clamshell, the motor with mount pad fixed connection, just the motor output with pivot fixed connection, two are located to the conveyer belt cover on the transmission section of thick bamboo.
6. The bearing ring inner surface grinding apparatus as claimed in claim 5,
the driving assembly further comprises four retaining rings, and every two retaining rings are connected with the two transmission cylinders in pairs in a rotating mode and located on the outer side walls of the transmission cylinders.
7. The apparatus for grinding an inner surface of a bearing ring according to claim 5,
the driving assembly further comprises a plurality of clamping blocks, the conveying belt is provided with a plurality of fit grooves, one side of each clamping block is fixedly connected with the two transmission cylinders and is located on the periphery of each transmission cylinder, and the other side of each clamping block is fit with the fit grooves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210304200.0A CN114670066A (en) | 2022-03-25 | 2022-03-25 | Bearing ring inner surface grinding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210304200.0A CN114670066A (en) | 2022-03-25 | 2022-03-25 | Bearing ring inner surface grinding device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114670066A true CN114670066A (en) | 2022-06-28 |
Family
ID=82076148
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210304200.0A Pending CN114670066A (en) | 2022-03-25 | 2022-03-25 | Bearing ring inner surface grinding device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114670066A (en) |
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| CN212595839U (en) * | 2020-05-16 | 2021-02-26 | 河南迈瑞实业有限公司 | Sky platform with shock attenuation effect |
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| CN215786773U (en) * | 2021-09-15 | 2022-02-11 | 营口诺迩铝材门窗有限公司 | Numerical control machining lathe for producing die |
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Application publication date: 20220628 |