CN103447945A - Improved dual-support oil wedge-shaped dynamic pressure spindle assembly for conical roller coreless grinding machine - Google Patents
Improved dual-support oil wedge-shaped dynamic pressure spindle assembly for conical roller coreless grinding machine Download PDFInfo
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- CN103447945A CN103447945A CN2013104076024A CN201310407602A CN103447945A CN 103447945 A CN103447945 A CN 103447945A CN 2013104076024 A CN2013104076024 A CN 2013104076024A CN 201310407602 A CN201310407602 A CN 201310407602A CN 103447945 A CN103447945 A CN 103447945A
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- watt
- cover
- main shaft
- end cap
- dynamic pressure
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- 230000020347 spindle assembly Effects 0.000 title claims abstract description 23
- 229910001651 emery Inorganic materials 0.000 claims description 17
- 239000002199 base oil Substances 0.000 claims description 13
- 239000003921 oil Substances 0.000 claims description 13
- 210000004907 gland Anatomy 0.000 claims description 7
- 238000003754 machining Methods 0.000 abstract description 3
- 239000004576 sand Substances 0.000 abstract 9
- 238000005461 lubrication Methods 0.000 description 4
- 230000003746 surface roughness Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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Abstract
The invention discloses an improved dual-support oil wedge-shaped dynamic pressure spindle assembly for a conical roller coreless grinding machine. The dual-support oil wedge-shaped dynamic pressure assembly comprises a spindle, a sand wheel combination and tile sleeve combinations; the sand wheel combination is positioned in the middle of the spindle and comprises a sand wheel chuck, a spindle conical sleeve, a sand wheel chuck end cover and a sand wheel; the sand wheel is fixed on the sand wheel chuck by the spindle, the sand wheel chuck, the spindle conical sleeve and the sand wheel chuck end cover; the tile sleeve combinations are arranged at two ends of the spindle; each tile sleeve combination comprises a tile sleeve, a shaft tile, a tile sleeve end cover, a tile sleeve end cover and an end cover connection disc. Compared with the single-support oil wedge-shaped spindle assembly, the improved dual-support oil wedge-shaped dynamic pressure spindle assembly for the conical roller coreless grinding machine has the advantages of high machining and rotating precision and large grinding force.
Description
Technical field
The present invention relates to a kind of bearing machining manufacturing equipment, relate 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, the domestic processing to bearing conical roller mainly adopts 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 the product machined surface roughness is little.
Summary of the invention
The purpose of this invention is to provide a kind of rotating accuracy high, grinding force is large, the improved conical roller centerless grinding machine double base oil film wedge shape dynamic pressure spindle assembly that the product machined surface roughness is large.
The objective of the invention is to be 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 respectively are furnished with a watt cover combination, described watt of cover combination comprises a watt cover, bearing shell, watt jacket gland, watt the 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 the cover two ends be furnished with a watt jacket gland, watt the cover end cap, end cap connects dish, and be furnished with matrix type and " O " type seal, by a watt cover chamber pressure seal oil, make main shaft and bearing shell obtain sufficient lubrication in rotary course, watt cover is equipped with ball ring in the 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, with off-load belt pulley assembly, is connected.
The grinding wheel spindle assembly is arranged on grinding carriage, with fastening watt of cover combination of upper press cover, is connected with the PL triangular belt with motor pulley by the off-load belt pulley, press the wedge of oil film wedge shape bearing shell to direction rotation, can obtain the smooth operation effect of double base main shaft.
Beneficial effect of the present invention:
1, rotating accuracy is high, and the rotating accuracy of rolling bearing type 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 the 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.
The accompanying drawing explanation
Describe embodiments of the invention in detail below in conjunction with accompanying drawing
Fig. 1 is schematic diagram of the present invention
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 improved 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 respectively are furnished with a watt cover combination, described watt of cover combination comprises a watt cover 6, bearing shell 7, watt jacket gland 8, watt the 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 the cover 6 two ends be furnished with watt jacket gland 8, watt the cover end cap 9, end cap connects dish 10, and be furnished with matrix type and " O " type seal, by watt cover 6 chamber pressure seal oil, make main shaft 1 and bearing shell 7 obtain sufficient lubrication in rotary course, 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, with off-load belt pulley assembly, is connected.
The grinding wheel spindle assembly is arranged on grinding carriage, with fastening watt of cover combination of upper press cover, is connected with the PL triangular belt with motor pulley by the off-load belt pulley, press 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. an improved 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 respectively are 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 the cover end cap, end cap connects dish.
2. a kind of improved 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 improved 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 |
|---|---|---|---|
| CN2013104076024A CN103447945A (en) | 2013-08-30 | 2013-08-30 | Improved dual-support oil wedge-shaped dynamic pressure spindle assembly for conical roller coreless grinding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013104076024A CN103447945A (en) | 2013-08-30 | 2013-08-30 | Improved dual-support oil wedge-shaped dynamic pressure spindle assembly for conical roller coreless grinding machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103447945A true CN103447945A (en) | 2013-12-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013104076024A Pending CN103447945A (en) | 2013-08-30 | 2013-08-30 | Improved dual-support oil wedge-shaped dynamic pressure spindle assembly for conical roller coreless grinding machine |
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| CN (1) | CN103447945A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103707182A (en) * | 2013-12-30 | 2014-04-09 | 泉州市洛江区双阳金刚石工具有限公司 | Axial shiftable type abrasive wheel and intelligent adjustment device thereof |
| CN105234812A (en) * | 2015-11-10 | 2016-01-13 | 安阳工学院 | Dual-drive centreless grinding wheel dynamic and static motorized spindle |
Citations (11)
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|---|---|---|---|---|
| US3589239A (en) * | 1967-05-26 | 1971-06-29 | Roulements Soc Nouvelle | Hydrodynamic spindle rotating at high speed with axial reciprocation |
| GB1397838A (en) * | 1972-10-25 | 1975-06-18 | Bando Kiko Co | Spindle support assembly preferably for a glass plate edge grinding machine |
| CN87216882U (en) * | 1987-12-31 | 1988-07-13 | 北京轴承研究所 | Axle assemble supporting hollow roller bearings on centreless grinding machine |
| EP0407783B1 (en) * | 1989-07-13 | 1992-07-29 | Diskus Werke Frankfurt Am Main Aktiengesellschaft | Device for the infeed of the quill at machine tools, in particular flat grinding machines |
| CN2675341Y (en) * | 2004-02-11 | 2005-02-02 | 无锡开源机床集团有限公司 | Grinding wheel spindle structure of double supporting centerless grinding machine |
| CN201900520U (en) * | 2010-09-18 | 2011-07-20 | 杭州好特轴承有限公司 | Supporting device for guide pulley of centerless grinder |
| CN202780808U (en) * | 2012-09-15 | 2013-03-13 | 无锡市明鑫数控磨床有限公司 | High-accuracy cantilever-type long-bearing-bush dynamic-pressure grinding wheel spindle structure for centerless grinding machine |
| CN202804925U (en) * | 2012-07-20 | 2013-03-20 | 安徽泾县金泰机械有限公司 | Guide wheel spindle device of centerless grinding machine |
| CN202846274U (en) * | 2012-09-15 | 2013-04-03 | 无锡市明鑫数控磨床有限公司 | Double-bearing dynamic pressure oil slick idler pulley main shaft structure of high-precision centerless grinding machine |
| CN203062454U (en) * | 2012-11-01 | 2013-07-17 | 健雄职业技术学院 | Centerless grinding machine |
| CN203471557U (en) * | 2013-08-30 | 2014-03-12 | 栾谨泉 | Tapered roller centerless grinding machine double-bearing oil wedge-shaped dynamic pressure main shaft assembly |
-
2013
- 2013-08-30 CN CN2013104076024A patent/CN103447945A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3589239A (en) * | 1967-05-26 | 1971-06-29 | Roulements Soc Nouvelle | Hydrodynamic spindle rotating at high speed with axial reciprocation |
| GB1397838A (en) * | 1972-10-25 | 1975-06-18 | Bando Kiko Co | Spindle support assembly preferably for a glass plate edge grinding machine |
| CN87216882U (en) * | 1987-12-31 | 1988-07-13 | 北京轴承研究所 | Axle assemble supporting hollow roller bearings on centreless grinding machine |
| EP0407783B1 (en) * | 1989-07-13 | 1992-07-29 | Diskus Werke Frankfurt Am Main Aktiengesellschaft | Device for the infeed of the quill at machine tools, in particular flat grinding machines |
| CN2675341Y (en) * | 2004-02-11 | 2005-02-02 | 无锡开源机床集团有限公司 | Grinding wheel spindle structure of double supporting centerless grinding machine |
| CN201900520U (en) * | 2010-09-18 | 2011-07-20 | 杭州好特轴承有限公司 | Supporting device for guide pulley of centerless grinder |
| CN202804925U (en) * | 2012-07-20 | 2013-03-20 | 安徽泾县金泰机械有限公司 | Guide wheel spindle device of centerless grinding machine |
| CN202780808U (en) * | 2012-09-15 | 2013-03-13 | 无锡市明鑫数控磨床有限公司 | High-accuracy cantilever-type long-bearing-bush dynamic-pressure grinding wheel spindle structure for centerless grinding machine |
| CN202846274U (en) * | 2012-09-15 | 2013-04-03 | 无锡市明鑫数控磨床有限公司 | Double-bearing dynamic pressure oil slick idler pulley main shaft structure of high-precision centerless grinding machine |
| CN203062454U (en) * | 2012-11-01 | 2013-07-17 | 健雄职业技术学院 | Centerless grinding machine |
| CN203471557U (en) * | 2013-08-30 | 2014-03-12 | 栾谨泉 | Tapered roller centerless grinding machine double-bearing oil wedge-shaped dynamic pressure main shaft assembly |
Non-Patent Citations (2)
| Title |
|---|
| 《机修手册》第3版编委会: "《机修手册 第3卷 金属切削机床修理 （下册）》", 31 December 1964, 机械工业出版社 * |
| 倪永帅: "双支承无心磨床砂轮主轴结构的改进", 《轴承》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103707182A (en) * | 2013-12-30 | 2014-04-09 | 泉州市洛江区双阳金刚石工具有限公司 | Axial shiftable type abrasive wheel and intelligent adjustment device thereof |
| CN103707182B (en) * | 2013-12-30 | 2016-03-16 | 泉州市洛江区双阳金刚石工具有限公司 | A kind of axially variable position formula emery wheel and intelligent regulating device thereof |
| CN105234812A (en) * | 2015-11-10 | 2016-01-13 | 安阳工学院 | Dual-drive centreless grinding wheel dynamic and static motorized spindle |
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| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20131218 |