CN203471557U - Tapered roller centerless grinding machine double-bearing oil wedge-shaped dynamic pressure main shaft assembly - Google Patents
Tapered roller centerless grinding machine double-bearing oil wedge-shaped dynamic pressure main shaft assembly Download PDFInfo
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- CN203471557U CN203471557U CN201320551768.9U CN201320551768U CN203471557U CN 203471557 U CN203471557 U CN 203471557U CN 201320551768 U CN201320551768 U CN 201320551768U CN 203471557 U CN203471557 U CN 203471557U
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- main shaft
- grinding wheel
- watt
- end cap
- cover
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Abstract
The utility model discloses a tapered roller centerless grinding machine double-bearing oil wedge-shaped dynamic pressure main shaft assembly which comprises a main shaft, a grinding wheel assembly and bush sleeve assemblies. The grinding wheel assembly is located in the middle of the main shaft, the grinding wheel assembly comprises a grinding wheel chuck, a main shaft tapered sleeve, a grinding wheel chuck end cover and a grinding wheel, and the grinding wheel is fastened on the grinding wheel chuck through the main shaft, the grinding wheel chuck, the main shaft tapered sleeve and the grinding wheel chuck end cover. The bush sleeve assemblies are arranged at the two ends of the main shaft respectively, and each bush sleeve assembly comprises a bush sleeve, a bearing bush, a bush sleeve pressing cover, a bush sleeve end cover and an end cover connecting disc. Compared with a single-bearing oil wedge-shaped grinding wheel main shaft assembly, the tapered roller centerless grinding machine double-bearing oil wedge-shaped dynamic pressure main shaft assembly has the advantages of being high in machining rotation precision and large in grinding force.
Description
Technical field
The utility model relates to a kind of bearing machining manufacturing equipment, relates in particular to a kind of centerless grinder double base oil film wedge shape dynamic pressure spindle assembly that taper roller is used of processing.
Background technology
At present, domestic the processing of bearing conical roller is mainly adopted to single supporting oil film wedge shape grinding wheel spindle assembly (emery wheel is hanging on main tapping) or rolling bearing center impeller type.In production practices, find, utilize centerless grinder to adopt single supporting oil film wedge shape grinding wheel spindle assembly processing taper roller to exist rotating accuracy low, grinding force is little, the problem that product machined surface roughness is poor.
Summary of the invention
The purpose of this utility model is to provide that a kind of rotating accuracy is high, and grinding force is large, the conical roller centerless grinding machine double base oil film wedge shape dynamic pressure spindle assembly that product machined surface roughness is high.
The purpose of this utility model is achieved through the following technical solutions, this double base oil film wedge shape dynamic pressure spindle assembly comprises main shaft, emery wheel combination, watt cover combination, described emery wheel combination is positioned at the middle part of main shaft, described emery wheel combination comprises grinding wheel chuck, main shaft tapered sleeve, grinding wheel chuck end cap and emery wheel, and by main shaft, grinding wheel chuck, main shaft tapered sleeve and grinding wheel chuck end cap, emery wheel is fastened on grinding wheel chuck, described main shaft two ends are respectively furnished with a watt cover combination, described watt of cover combination comprises a watt cover, bearing shell, watt jacket gland, watt cover end cap, end cap connects dish, (three of polyliths are housed in described watt of cover, four or five) semi-round ball screw supporting type oil film wedge shape bearing shell, watt cover two ends be furnished with a watt jacket gland, watt cover end cap, end cap connects dish, and be furnished with matrix type and " 0 " type seal, by a watt cover chamber pressure seal oil, make main shaft and bearing shell in rotary course, obtain sufficient lubrication, watt cover is equipped with ball ring in end cap chamber, mat in biserial thrust ball bearing and bearing, the outer mat of bearing, nut is sealed in chamber by bearing (ball) cover, each part of oil lubrication is housed in chamber, watt cover end cap intracavitary unit is the device of controlling main shaft assembly axial force in rotary course.
Right-hand member at main shaft is equipped with zygote mat, zygote, by zygote, is connected with off-load belt pulley assembly.
Dynamic pressure spindle assembly is arranged on grinding carriage, with fastening watt of cover combination of upper press cover, by off-load belt pulley, is connected with PL triangular belt with motor pulley, by the wedge of oil film wedge shape bearing shell, to direction rotation, can obtain the smooth operation effect of double base main shaft.
The beneficial effects of the utility model:
1, rotating accuracy is high, and the rotating accuracy of double base oil film wedge shape bearing shell grinding wheel spindle assembly improves 20%-30% than single supporting oil film wedge shape grinding wheel spindle assembly.
2, grinding force is large, and this double base oil film wedge shape grinding wheel spindle assembly can increase 30%-40% than single supporting oil film wedge shape grinding wheel spindle assembly grinding force.
3, this double base oil film wedge shape grinding wheel spindle assembly contrasts single supporting type can improve 20%-30% on product machined surface roughness.
This double base oil film wedge shape grinding wheel spindle assembly is that taper roller circle product external machining accuracy promotes and guarantees that cylindrical shape (as: straight line of taper roller, hyperbola or logarithmic curve) lays a solid foundation.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, describe embodiment of the present utility model in detail
Fig. 1 is schematic diagram of the present utility model
In figure: 1, main shaft 2, grinding wheel chuck 3, main shaft tapered sleeve 4, grinding wheel chuck end cap 5, emery wheel 6, watt cover 7, bearing shell 8, watt jacket gland 9, watt cover end cap 10, end cap connect mat 13 in dish 11, sphere mat 12, bearing, the outer mat 14 of bearing, nut 15, bearing (ball) cover 16, zygote mat 17, zygote
The specific embodiment
As shown in Figure 1, this double base oil film wedge shape dynamic pressure spindle assembly comprises main shaft 1, emery wheel combination, watt cover combination, described emery wheel combination is positioned at the middle part of main shaft 1, described emery wheel combination comprises grinding wheel chuck 2, main shaft tapered sleeve 3, grinding wheel chuck end cap 4 and emery wheel 5, and by main shaft 1, grinding wheel chuck 2, main shaft tapered sleeve 3 and grinding wheel chuck end cap 4, emery wheel 5 is fastened on grinding wheel chuck 2, described main shaft 1 two ends are respectively furnished with a watt cover combination, described watt of cover combination comprises a watt cover 6, bearing shell 7, watt jacket gland 8, watt cover end cap 9, end cap connects dish 10, in described watt of cover 6, four semi-round ball screw supporting type oil film wedge shape bearing shells 7 are housed, watt cover 6 two ends be furnished with watt jacket gland 8, watt cover end cap 9, end cap connects dish 10, and be furnished with matrix type and " 0 " type seal, by watt cover 6 chamber pressure seal oil, make main shaft 1 and bearing shell 7 in rotary course, obtain sufficient lubrication, watt cover is equipped with ball ring 11 in end cap 9 chambeies, mat 12 in biserial thrust ball bearing and bearing, the outer mat 13 of bearing, nut 14 is sealed in chamber by bearing (ball) cover 15, each part of oil lubrication is housed in chamber, watt cover end cap 9 intracavitary units are devices of controlling main shaft assembly axial force in rotary course.
Right-hand member at main shaft 1 is equipped with zygote mat 16, zygote 17, by zygote, is connected with off-load belt pulley assembly.
Dynamic pressure spindle assembly is arranged on grinding carriage, with fastening watt of cover combination of upper press cover, by off-load belt pulley, is connected with PL triangular belt with motor pulley, by the wedge of oil film wedge shape bearing shell, to direction rotation, can obtain the smooth operation effect of double base main shaft.
Claims (3)
1. a conical roller centerless grinding machine double base oil film wedge shape dynamic pressure spindle assembly, this double base oil film wedge shape dynamic pressure spindle assembly comprises main shaft, emery wheel combination, watt cover combination, it is characterized in that described emery wheel combination is positioned at the middle part of main shaft, described emery wheel combination comprises grinding wheel chuck, main shaft tapered sleeve, grinding wheel chuck end cap and emery wheel, and by main shaft, grinding wheel chuck, main shaft tapered sleeve and grinding wheel chuck end cap, emery wheel is fastened on grinding wheel chuck; Described main shaft two ends are respectively furnished with a watt cover combination, described watt of cover combination comprises that a watt cover, bearing shell, watt jacket gland, watt cover end cap, end cap connect dish, and polylith semi-round ball screw supporting type oil film wedge shape bearing shell is housed in described watt of cover, and watt cover two ends are furnished with a watt jacket gland, watt cover end cap, end cap connects dish.
2. a kind of conical roller centerless grinding machine double base oil film wedge shape dynamic pressure spindle assembly according to claim 1, is characterized in that, in watt cover end cap chamber, ball ring is housed, mat in biserial thrust ball bearing and bearing, the outer mat of bearing.
3. a kind of conical roller centerless grinding machine double base oil film wedge shape dynamic pressure spindle assembly according to claim 1, is characterized in that, at the right-hand member of main shaft, zygote mat and zygote are housed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320551768.9U CN203471557U (en) | 2013-08-30 | 2013-08-30 | Tapered roller centerless grinding machine double-bearing oil wedge-shaped dynamic pressure main shaft assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320551768.9U CN203471557U (en) | 2013-08-30 | 2013-08-30 | Tapered roller centerless grinding machine double-bearing oil wedge-shaped dynamic pressure main shaft assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203471557U true CN203471557U (en) | 2014-03-12 |
Family
ID=50219965
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320551768.9U Expired - Fee Related CN203471557U (en) | 2013-08-30 | 2013-08-30 | Tapered roller centerless grinding machine double-bearing oil wedge-shaped dynamic pressure main shaft assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203471557U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103447945A (en) * | 2013-08-30 | 2013-12-18 | 栾谨泉 | Improved dual-support oil wedge-shaped dynamic pressure spindle assembly for conical roller coreless grinding machine |
| CN105150103A (en) * | 2015-10-19 | 2015-12-16 | 广州珠江钢琴集团股份有限公司 | Polishing wheel assembling structure and assembling method, disassembling method and application of polishing wheel assembling structure |
| CN105234796A (en) * | 2015-10-19 | 2016-01-13 | 广州珠江钢琴集团股份有限公司 | Automatic polishing wheel alignment type polishing machine and automatic alignment method thereof |
-
2013
- 2013-08-30 CN CN201320551768.9U patent/CN203471557U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103447945A (en) * | 2013-08-30 | 2013-12-18 | 栾谨泉 | Improved dual-support oil wedge-shaped dynamic pressure spindle assembly for conical roller coreless grinding machine |
| CN105150103A (en) * | 2015-10-19 | 2015-12-16 | 广州珠江钢琴集团股份有限公司 | Polishing wheel assembling structure and assembling method, disassembling method and application of polishing wheel assembling structure |
| CN105234796A (en) * | 2015-10-19 | 2016-01-13 | 广州珠江钢琴集团股份有限公司 | Automatic polishing wheel alignment type polishing machine and automatic alignment method thereof |
| CN105234796B (en) * | 2015-10-19 | 2017-12-12 | 广州珠江钢琴集团股份有限公司 | A kind of polishing wheel automatic aligning formula polishing machine and its automatic aligning method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140312 Termination date: 20150830 |
|
| EXPY | Termination of patent right or utility model |