CN201008984Y - Short taper shank live center - Google Patents
Short taper shank live center Download PDFInfo
- Publication number
- CN201008984Y CN201008984Y CNU2007200896715U CN200720089671U CN201008984Y CN 201008984 Y CN201008984 Y CN 201008984Y CN U2007200896715 U CNU2007200896715 U CN U2007200896715U CN 200720089671 U CN200720089671 U CN 200720089671U CN 201008984 Y CN201008984 Y CN 201008984Y
- Authority
- CN
- China
- Prior art keywords
- finial
- ball bearing
- bearing
- deep groove
- groove ball
- 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.)
- Expired - Fee Related
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- Rolling Contact Bearings (AREA)
Abstract
A short taper shank active finial comprises a finial axis (6), a flange seat shell (8), a front press cover (3) and a back cover (12), wherein the finial axes (6) is connected with a flange of the flange seat shell (8); the finial axis (6) becomes thin form the top to the back end gradually and equidistantly; the front end of the finial axis (6) is provided with a cylindrical roller bearing (5) and a thrust ball bearing (7); the back end is provided with a needle roller bearing (9) and a deep groove ball bearing (11); a disc reed (10) is arranged between the deep groove ball bearing (11) and the needle roller bearing (9) to add the load to the end face of the deep groove ball bearing (11). The utility model overcomes the shortage of the prior dead finial to ensure that the center hole is intact during the roller adding process and is good for restoring the roller and other big parts about the axis; the active finial can be changed without the processing of the original machine tool.
Description
Technical field
The utility model relates to heavy roll plant equipment, is used for heavy roll a kind of short taper shank live center mechanically specifically.
Background technology
At present, the top back dead centre that mostly is on the market on the used roll plant equipment, though in recent years the live center technology had been used on the roll plant equipment, it mostly is mini-plant, for needed live center on the large-scale roll plant equipment, existing live center technology also is difficult to satisfy the requirement that processing was got off, ground in heavy duty, its problem is to use the life-span short, and stock-removing efficiency is low, and machining accuracy is poor, can't satisfy the needs that enterprise produces, restrict the development of enterprise.Particularly existing live center all is long taper shank live center, the back dead centre that all needs the short taper shank live center of excellent performance to replace technology to fall behind for existing short taper shank grinding machine and large quantities of just in use equipment.
Summary of the invention
The utility model is the deficiency that solves the problems of the technologies described above, and on the basis of drawing domestic and international heavy top characteristics, makes full use of the finite size space, aims to provide a kind of novel short taper shank live center, to satisfy the needs of heavily loaded high-efficient cutting.
The utility model is the deficiency that solves the problems of the technologies described above, the technical scheme that is adopted is: a kind of short taper shank live center, comprise tail spindle, flange seat shell, preceding gland, bonnet, tail spindle links to each other with support with the flange on the flange seat shell, tail spindle is equidistantly attenuated to the back-end gradually by the top, the front end of tail spindle is provided with cylinder roller bearing and thrust ball bearing, the rear end is provided with needle bearing and deep groove ball bearing, be provided with the dish spring between deep groove ball bearing and needle bearing, the dish spring directly is added to load on the end face of deep groove ball bearing.
The utility model cylinder roller bearing and thrust ball bearing all adopt reinforced or heavy bearing, and needle bearing and deep groove ball bearing draw back the distance with cylinder roller bearing and thrust ball bearing as far as possible, to reduce bearing reaction.The dish spring that applies preload directly is added to load on the end face of deep groove ball bearing, so that the radially counter-force of back up roll is shared by the load capacity of bearing, lacks the utilizable space of taper shank thereby bring into play to greatest extent.
The utility model is provided with sealing ring on the axial plane of preceding gland and tail spindle.
The utility model is provided with O type circle between preceding gland and flange seat shell.Sealing ring that is provided with and O shape circle can stop dust to enter bearing inside, have also prevented the leakage of grease simultaneously.
It is low that the utility model also has a cost, machining accuracy height, good reliability, the characteristics of long service life.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Mark among the figure: 1, screw; 2, sealing ring; 3, preceding gland; 4, O shape circle; 5, cylinder roller bearing; 6, tail spindle; 7, thrust ball bearing; 8, flange seat shell; 9, needle bearing; 10, dish spring; 11, deep groove ball bearing; 12, bonnet.
The specific embodiment
Cylinder roller bearing 5 and thrust ball bearing 7 are contained on the tail spindle 6, and in the flange seat shell 8 of again said modules being packed into, the needle bearing 9 of packing into then, dish spring 10 and deep groove ball bearing 11 cover bonnet 12.In the gland 3, with screw 1 preceding gland 3 is contained on the flange seat shell 8 again before sealing ring 2 and O shape circle 4 packed into.
The utility model has overcome the shortcoming of original back dead centre, guarantees the intact no an ancient egg-shaped, holed wind instrument of its centre bore when adding roll, also very helps the reparation of roll and macrotype axes series parts simultaneously, remarkable in economical benefits.
The utility model is easy to scrap build, and former lathe need not to process this type of live center that both can change the outfit.
Claims (3)
1. one kind short taper shank live center, comprise tail spindle (6), flange seat shell (8), preceding gland (3), bonnet (12), it is characterized in that: tail spindle (6) links to each other with support with the flange on the flange seat shell (8), tail spindle (6) is equidistantly attenuated to the back-end gradually by the top, the front end of tail spindle (6) is provided with cylinder roller bearing (5) and thrust ball bearing (7), the rear end is provided with needle bearing (9) and deep groove ball bearing (11), be provided with dish spring (10) between deep groove ball bearing (11) and needle bearing (9), dish spring (10) directly is added to load on the end face of deep groove ball bearing (11).
2. a kind of short taper shank live center according to claim 1 is characterized in that: be provided with sealing ring (2) on the axial plane of preceding gland (3) and tail spindle (6).
3. a kind of short taper shank live center according to claim 1 is characterized in that: be provided with O type circle (4) between preceding gland (3) and flange seat shell (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200896715U CN201008984Y (en) | 2007-03-09 | 2007-03-09 | Short taper shank live center |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200896715U CN201008984Y (en) | 2007-03-09 | 2007-03-09 | Short taper shank live center |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201008984Y true CN201008984Y (en) | 2008-01-23 |
Family
ID=39043917
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200896715U Expired - Fee Related CN201008984Y (en) | 2007-03-09 | 2007-03-09 | Short taper shank live center |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201008984Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101298126B (en) * | 2008-06-30 | 2010-06-09 | 河南活顶尖机械有限公司 | Changeable built-in live center |
| CN102398047A (en) * | 2011-11-27 | 2012-04-04 | 河南活顶尖机械有限公司 | Precision movable center lubricated once |
| CN102744628A (en) * | 2012-07-26 | 2012-10-24 | 山西浩业通用设备有限公司 | Jacking head device of machine tool |
| CN108032098A (en) * | 2017-12-12 | 2018-05-15 | 重庆市银钢通科技有限公司 | A kind of lathe and its camshaft clamping mechanism |
| CN112112858A (en) * | 2019-06-19 | 2020-12-22 | 北京航天瑞泰液压技术有限公司 | Self-locking hydraulic center |
-
2007
- 2007-03-09 CN CNU2007200896715U patent/CN201008984Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101298126B (en) * | 2008-06-30 | 2010-06-09 | 河南活顶尖机械有限公司 | Changeable built-in live center |
| CN102398047A (en) * | 2011-11-27 | 2012-04-04 | 河南活顶尖机械有限公司 | Precision movable center lubricated once |
| CN102398047B (en) * | 2011-11-27 | 2015-04-22 | 河南活顶尖机械有限公司 | Precision movable center lubricated once |
| CN102744628A (en) * | 2012-07-26 | 2012-10-24 | 山西浩业通用设备有限公司 | Jacking head device of machine tool |
| CN108032098A (en) * | 2017-12-12 | 2018-05-15 | 重庆市银钢通科技有限公司 | A kind of lathe and its camshaft clamping mechanism |
| CN112112858A (en) * | 2019-06-19 | 2020-12-22 | 北京航天瑞泰液压技术有限公司 | Self-locking hydraulic center |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: HENAN ACTIVE CENTRE MACHINERY CO., LTD. Free format text: FORMER OWNER: LUOYANG LIVE CENTER MACHINERY CO., LTD. Effective date: 20111117 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20111117 Address after: 471003, three hi tech Industrial Zone, hi tech Development Zone, Henan, Luoyang Patentee after: Henan Active Centre Machinery Co., Ltd. Address before: 471003 Tianjin South Road, hi tech Zone, Henan, Luoyang Patentee before: Luoyang Movable Centre Machinery Company Limited |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080123 Termination date: 20150309 |
|
| EXPY | Termination of patent right or utility model |