CN209754812U - Special electromagnetic centerless internal drainage grinding fixture for railway bearing - Google Patents
Special electromagnetic centerless internal drainage grinding fixture for railway bearing Download PDFInfo
- Publication number
- CN209754812U CN209754812U CN201920427035.1U CN201920427035U CN209754812U CN 209754812 U CN209754812 U CN 209754812U CN 201920427035 U CN201920427035 U CN 201920427035U CN 209754812 U CN209754812 U CN 209754812U
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- Prior art keywords
- shell
- hole
- grinding
- holes
- chip removal
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- 238000000227 grinding Methods 0.000 title claims abstract description 45
- 230000005389 magnetism Effects 0.000 claims abstract description 12
- 239000007788 liquid Substances 0.000 claims description 5
- 230000007704 transition Effects 0.000 claims description 4
- 239000000428 dust Substances 0.000 abstract description 7
- 238000002955 isolation Methods 0.000 abstract description 7
- 239000000110 cooling liquid Substances 0.000 abstract description 4
- 239000012535 impurity Substances 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 6
- 239000002826 coolant Substances 0.000 description 4
- 238000007599 discharging Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Landscapes
- Magnetic Bearings And Hydrostatic Bearings (AREA)
Abstract
A special electromagnetic centerless internal drainage grinding fixture for a railway bearing is a bowl-shaped conical shell, the large-diameter end face of the shell is open, an annular magnetic attraction ring is arranged on the large-diameter end face of the shell, magnetic isolation grooves are uniformly arranged on the magnetic attraction ring, chip removal through holes communicated with the outside are uniformly arranged on the inner conical surface of the shell, a centering through hole is arranged in the center of the inner bottom surface of the shell, and bolt through holes are uniformly distributed on the circumference of the bottom surface around the centering through hole; through the utility model discloses an implement, reached good result of use: the special electromagnetic centerless internal drainage grinding clamp for the railway bearing effectively improves the drainage efficiency of the inner side cooling liquid and abrasive dust through the chip removal through holes of the uniform equipment on the conical surface of the inner side of the shell, and simultaneously, the magnetic attraction ring of the shell is provided with the magnetism isolating groove to separate the magnetic field, so that the attachment of impurities on the magnetic attraction ring of the shell is avoided, the gathering of grinding heat is reduced, the burning of a bearing ring is avoided, the grinding precision is improved, and the grinding quality of the bearing ring is improved.
Description
Technical Field
The utility model belongs to the bearing field of making, concretely relates to special electromagnetism of railway bearing is intracardiac to drain liquid grinding anchor clamps.
Background
The electromagnetic centerless clamp of the railway bearing plays an important role in supporting and positioning in the process of machining in the process of grinding the inner channel, and the electromagnetic centerless clamp mainly adopts a single-magnetic-pole clamp, wherein a magnetic pole is a transition piece for connecting an iron core and a workpiece, and is also a replacement piece matched with workpieces of different sizes, and plays a role in magnetic conduction and supporting the end face of the workpiece, so that the electromagnetic centerless clamp can better fix the workpiece, and the cooling liquid discharging and chip discharging structures of the magnetic pole influence the grinding quality of the workpiece to a certain extent; for the area of contact and the wearing and tearing each other of reduction magnetic pole and work piece terminal surface, make the cup type with the magnetic pole, and at the grinding work piece in-process, coolant liquid and abrasive dust can't conveniently discharge fast, and take away some grinding heat, especially when grinding area is great and grind the processing internal surface (if grind two outer raceways), coolant liquid and abrasive dust can be difficult to discharge, and the while grinding heat is difficult for giving off, and the consequence that from this appears mainly has: 1. the cleanliness of the cooling liquid is not easy to guarantee, and the grinding precision is reduced when abrasive dust or impurities are attached to the surface of a magnetic pole or a workpiece; 2. the gradual accumulation and increase of grinding heat can cause grinding burn on the surface of the workpiece, and the two aspects can cause unnecessary reworked products or waste product loss; therefore, a novel grinding clamp is needed to solve the problem that the surface precision of the early operation tool is reduced and the grinding heat is accumulated to cause part burning in the process of grinding the channel in the existing bearing ring, wherein the coolant and the abrasive dust can not be discharged in time.
SUMMERY OF THE UTILITY MODEL
The utility model provides a special electromagnetism of railway bearing is hydraulic grinding anchor clamps in centerless for solve current bearing and carry out the problem that the grease filling in-process increases staff's amount of labour, production efficiency is low and cause the production to pause.
The purpose of the utility model can be realized by adopting the following technical scheme:
A special electromagnetic centerless internal drainage grinding fixture for a railway bearing is a bowl-shaped truncated cone-shaped shell, the large-diameter end face of the shell is open, an annular magnetic suction ring is arranged on the large-diameter end face of the shell, magnetic isolation grooves are uniformly arranged on the magnetic suction ring, chip removal through holes communicated with the outside are uniformly arranged on an inner conical surface of the shell, a centering through hole is arranged in the center of the inner bottom face of the shell, bolt through holes are uniformly distributed on the circumference of the bottom face around the centering through hole, fixing threaded holes are uniformly distributed on the circumference between the bolt through holes, and stepped counter bores are arranged on the outer side of threaded through holes on the end face of the outer side of the; the axis of the chip removal through hole is vertical to the central line of the shell, and the hole wall of the chip removal through hole is parallel and level to the bottom surface of the inner side of the shell.
The magnetism isolating grooves are rectangular through grooves, the bottoms of the magnetism isolating grooves are in arc transition, and the number of the magnetism isolating grooves is two to six.
The bolt through hole correspond to a threaded hole in the magnetic chuck of the grinding equipment, and the shell is connected with the threaded hole in the magnetic chuck through the bolt through hole.
The depth of the stepped counter bore is 0.5 mm to 2 mm, and the diameter of the stepped counter bore is smaller than the diameter of the circumference of the bolt through holes which are uniformly distributed.
The centering through hole is in clearance fit positioning with the magnetic chuck positioning mandrel of the grinding equipment, and chamfers are arranged at two ends of the centering through hole.
The diameter size of the chip removal through-holes is less than half of the height of the shell, and the number of the chip removal through-holes is three to eight.
Through the utility model discloses an implement, reached good result of use: the special electromagnetic centerless internal drainage grinding clamp for the railway bearing effectively improves the drainage efficiency of the inner side cooling liquid and abrasive dust through the chip removal through holes of the uniform equipment on the conical surface of the inner side of the shell, and simultaneously, the magnetic attraction ring of the shell is provided with the magnetism isolating groove to separate the magnetic field, so that the attachment of impurities on the magnetic attraction ring of the shell is avoided, the gathering of grinding heat is reduced, the burning of a bearing ring is avoided, the grinding precision is improved, and the grinding quality of the bearing ring is improved.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
3 fig. 3 2 3 is 3 a 3 cross 3- 3 sectional 3 view 3 a 3- 3 a 3 of 3 fig. 3 1 3. 3
Fig. 3 is a rear view of fig. 1.
In the figure: 1. the grinding head comprises a shell, 2, a centering through hole, 3, a fixing threaded hole, 4, a bolt through hole, 5, a chip removal through hole, 6, a magnetic suction ring, 7, a magnetism isolating groove, 8, a stepped counter bore, 9, a bolt, 10, a magnetic suction disc, 11, a bearing ring, 12 and a grinding head.
Detailed Description
The invention will be further described with reference to the accompanying drawings and specific embodiments: the electromagnetic centerless internal drainage grinding fixture special for the railway bearing is shown in the attached drawings 1, 2 and 3, the whole fixture is a bowl-shaped truncated cone-shaped shell 1, the large-diameter end face of the shell 1 is open, a circular magnetic suction ring 6 is arranged on the large-diameter end face of the shell 1, magnetic isolation grooves 7 are uniformly arranged on the magnetic suction ring 6, the magnetic isolation grooves 7 are rectangular through grooves, the bottoms of the magnetic isolation grooves 7 are in arc transition, the number of the magnetic isolation grooves 7 is two to six, the magnetic isolation grooves 7 can effectively separate a magnetic field, and the absorption of impurities on the magnetic suction ring 6 is reduced; chip removal through holes 5 which are communicated with the outside are uniformly formed in the conical surface of the inner side of the shell 1, the axis of each chip removal through hole 5 is perpendicular to the central line of the shell 1, the hole wall of each chip removal through hole 5 is flush with the bottom surface of the inner side of the shell, the diameter of each chip removal through hole 5 is smaller than half of the height of the shell 1, and the number of the chip removal through holes 5 is three to eight; a centering through hole 2 is formed in the center of the bottom surface of the inner side of the shell 1, the centering through hole 2 is in clearance fit with a positioning mandrel of a grinding equipment magnetic chuck 10 for positioning, and chamfers are arranged at two ends of the centering through hole 2; bolt through holes 4 are evenly distributed on the periphery of the bottom surface of the centering through hole 2, the bolt through holes 4 correspond to threaded holes in a magnetic chuck 10 of the grinding equipment, and the shell 1 is connected with the threaded holes in the magnetic chuck 10 through bolts 9 through the bolt through holes 4; fixing threaded holes 3 are uniformly distributed on the circumference between bolt through holes 4 on the bottom surface of the inner side of the shell 1, and the fixing threaded holes 3 can be connected with magnetic suction discs of different polarities from the outer side of the shell 1 through bolts; the outer side of the threaded through hole on the end face of the outer side of the shell 1 is provided with a stepped counter bore 8, the depth of the stepped counter bore 8 is greater than 0.5 mm to 2 mm, the diameter of the stepped counter bore 8 is smaller than the circumferential diameter of the bolt through holes 4 uniformly distributed, and the stepped counter bore 8 can enable the outer end face of the shell 1 to be firmly connected with the end face of the magnetic suction disc 10.
When the special electromagnetism of railway bearing is used, at first pass bolt through-hole 4 through bolt 9 and fix casing 1 on magnetic chuck 10, later start magnetic chuck 10, magnetic chuck 10 transmits magnetism to casing 1 magnetism on ring 6 is inhaled, ring 6 adsorbs race 11, grinding equipment drives magnetic chuck 10 and race 11 and rotates, it is spacing that the leading wheel is passed through in the outside of race 11, it is inboard to control grinding equipment bistrique 12 again and enter into race 11 from the side of race 11, grind the inboard raceway of race 11, coolant liquid and abrasive dust pass through the inboard chip removal through-hole 5 of casing 1 and discharge simultaneously, and take away the heat that produces when race 11 grinds away, through continuous grinding, make the inboard raceway of race 11 reach required size and precision, accomplish the grinding process to the inboard raceway of race.
the part of the utility model not detailed is prior art.
Claims (6)
1. The utility model provides a special electromagnetism of railway bearing is not intracardiac to drain liquid grinding jig which characterized by: the whole body of the shell is a bowl-shaped truncated cone-shaped shell, the large-diameter end face of the shell is open, a circular magnetic attraction ring is arranged on the large-diameter end face of the shell, a magnetism isolating groove is uniformly formed in the magnetic attraction ring, chip removal through holes communicated with the outside are uniformly formed in the conical surface of the inner side of the shell, a centering through hole is formed in the center of the bottom surface of the inner side of the shell, bolt through holes are uniformly distributed on the circumference of the bottom surface around the centering through hole, fixing threaded holes are uniformly distributed on the circumference between the bolt through holes, and a stepped counter bore is formed in the outer; the axis of the chip removal through hole is vertical to the central line of the shell, and the hole wall of the chip removal through hole is parallel and level to the bottom surface of the inner side of the shell.
2. The electromagnetic centerless internal drainage grinding fixture special for the railway bearing as claimed in claim 1, wherein the fixture comprises: the magnetism isolating grooves are rectangular through grooves, the bottoms of the magnetism isolating grooves are in arc transition, and the number of the magnetism isolating grooves is two to six.
3. The electromagnetic centerless internal drainage grinding fixture special for the railway bearing as claimed in claim 1, wherein the fixture comprises: the bolt through hole correspond to a threaded hole in the magnetic chuck of the grinding equipment, and the shell is connected with the threaded hole in the magnetic chuck through the bolt through hole.
4. The electromagnetic centerless internal drainage grinding fixture special for the railway bearing as claimed in claim 1, wherein the fixture comprises: the depth of the stepped counter bore is 0.5 mm to 2 mm, and the diameter of the stepped counter bore is smaller than the diameter of the circumference of the bolt through holes which are uniformly distributed.
5. The electromagnetic centerless internal drainage grinding fixture special for the railway bearing as claimed in claim 1, wherein the fixture comprises: the centering through hole is in clearance fit positioning with the magnetic chuck positioning mandrel of the grinding equipment, and chamfers are arranged at two ends of the centering through hole.
6. The electromagnetic centerless internal drainage grinding fixture special for the railway bearing as claimed in claim 1, wherein the fixture comprises: the diameter size of the chip removal through-holes is less than half of the height of the shell, and the number of the chip removal through-holes is three to eight.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920427035.1U CN209754812U (en) | 2019-04-01 | 2019-04-01 | Special electromagnetic centerless internal drainage grinding fixture for railway bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920427035.1U CN209754812U (en) | 2019-04-01 | 2019-04-01 | Special electromagnetic centerless internal drainage grinding fixture for railway bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209754812U true CN209754812U (en) | 2019-12-10 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920427035.1U Active CN209754812U (en) | 2019-04-01 | 2019-04-01 | Special electromagnetic centerless internal drainage grinding fixture for railway bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209754812U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114310516A (en) * | 2022-01-18 | 2022-04-12 | 江苏万达特种轴承有限公司 | Special end face support |
-
2019
- 2019-04-01 CN CN201920427035.1U patent/CN209754812U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114310516A (en) * | 2022-01-18 | 2022-04-12 | 江苏万达特种轴承有限公司 | Special end face support |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 471039 No. 96, Jianxi, Luoyang District, Henan, Jianshe Road Patentee after: Luoyang Bearing Group Co.,Ltd. Country or region after: China Patentee after: Luoyang Bearing Group Railway Bearing Co.,Ltd. Address before: 471039 No. 96, Jianxi, Luoyang District, Henan, Jianshe Road Patentee before: LUOYANG LYC BEARING Co.,Ltd. Country or region before: China Patentee before: Luoyang Bearing Group Railway Bearing Co.,Ltd. |
|
| CP03 | Change of name, title or address |