CN110434359A - A kind of taper shank bearing tailstock - Google Patents
A kind of taper shank bearing tailstock Download PDFInfo
- Publication number
- CN110434359A CN110434359A CN201910742690.0A CN201910742690A CN110434359A CN 110434359 A CN110434359 A CN 110434359A CN 201910742690 A CN201910742690 A CN 201910742690A CN 110434359 A CN110434359 A CN 110434359A
- Authority
- CN
- China
- Prior art keywords
- sleeve
- rear cover
- cylinder
- hole
- tailstock
- 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
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B23/00—Tailstocks; Centres
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Turning (AREA)
Abstract
The present invention is a kind of taper shank bearing tailstock, including tailstock body, guide sleeve outer circle is matched with the cylindrical hole on tailstock body, and it is fixed with end flanges by screw and tailstock body together with front cover, ball is placed in the inner hole of guide sleeve, floating is placed in ball sleeve, the front end center of tapered sleeve axis is provided with standard tool taper hole, it is supported in floating bushing by outer circle bearings at both ends, the rear end face outer circumference of spring socket sleeve is evenly distributed with several cylinder counterbores and a cylinder pin hole, rear cover passes through fixed behind the second screw and tailstock body, the inside of rear cover and spring socket sleeve rear end face corresponding position are provided with several even circumferential distribution cylinder counterbores and a cylinder pin hole, spring is placed in the cylinder counterbore of rear cover and spring socket sleeve, straight pin is placed in the cylinder pin hole of rear cover and spring socket sleeve.The present invention gap pre-load arrangement that can disappear, effectively improves contact stiffness, promotes bearing allowable rotating speed, meets at a high speed, high-precision, highly-efficient processing the needs of.
Description
Technical field
The present invention relates to a kind of machine tool rear support technology, specifically a kind of high-performance directly supported using taper shank
Tailstock.
Background technique
Tail stock for machine tool is mainly used as the second bearing of the tools such as workpiece or knife handle, to realize that positioning and raising bearing are rigid
Property etc..A component of the tail stock for machine tool as lathe all the time, is not given sufficient attention in Machine Tool design.Especially
On the lathes such as horizontal milling machine and gear-hobbing machine, gear grinding machines, the tools such as wire rod quality, hobboing cutter, worm abrasion wheel pass through knife bar accessory one end
Taper shank be installed to machine tool chief axis, other end perhaps overhangs or passes through the centre bore of knife bar accessory and tailstock center cooperates
Bearing, or supported by the external cylindrical surface of knife bar accessory and the cylindrical hole clearance fit of tailstock, installation accuracy is low, poor rigidity,
And revolving speed is also restricted, and is not well positioned to meet high speed, high-precision, highly-efficient processing demand.
Summary of the invention
The present invention be directed to the machine tools installation accuracy such as above-mentioned horizontal milling machine and gear-hobbing machine, gear grinding machines is low, poor rigidity turns
Speed is limited, is not well positioned to meet high speed, is high-precision, highly-efficient processing demand there are problem, proposing that a kind of high-performance tailstock supports
Technology improves support accuracy and rigidity, promotes bearing allowable rotating speed, meets at a high speed, high-precision, highly-efficient processing the needs of.
In order to achieve the above object, the present invention is achieved by the following technical solutions:
The present invention is a kind of taper shank bearing tailstock, including tailstock body, guide sleeve, ball sleeve, floating bushing, tapered sleeve axis, spring socket sleeve, pressure
Contracting spring, rear cover are provided with cylindrical hole on tailstock body, and guide sleeve outer circle is matched with the cylindrical hole on tailstock body, and together with front cover
It is fixed with end flanges by screw and tailstock body, ball is placed in the inner hole of guide sleeve, and floating is placed in ball sleeve, tapered sleeve
The front end center of axis is provided with standard tool taper hole, is supported in floating bushing by outer circle bearings at both ends, the rear end face of spring socket sleeve
Outer circumference is evenly distributed with several cylinder counterbores and a cylinder pin hole, and is fixed by the first screw with floating bushing, rear cover
By fixed behind the second screw and tailstock body, it is equal that inside and the spring socket sleeve rear end face corresponding position of rear cover are provided with several circumference
Even distribution cylinder counterbore and a cylinder pin hole, compressed spring are placed in the cylinder counterbore of rear cover and spring socket sleeve, and straight pin is set
In the cylinder pin hole of rear cover and spring socket sleeve, axially there are between certain floating between rear cover inner bottom surface and tapered sleeve shaft rear end face
Gap.
The beneficial effects of the present invention are: the present invention is directly supported using taper shank, and set by interior tapper set and axial rolling floating
Meter eliminates fit clearance and may be implemented to preload, effectively improves contact stiffness, to improve support accuracy and rigidity, is promoted
Support allowable rotating speed, meets at a high speed, high-precision, highly-efficient processing the needs of, it is efficient that the present invention can be applied to various high speed and super precisions
Lathe.
Detailed description of the invention
Fig. 1 is main structure chart of the invention.
Specific embodiment
Embodiments of the present invention will be disclosed with schema below, as clearly stated, details in many practices will be
Illustrate together in described below.It should be appreciated, however, that the details in these practices is not applied to limit the present invention.That is,
In embodiments of the present invention, the details in these practices is non-essential.In addition, for the sake of simplifying schema, it is some known
Usual structure and component will be painted it in the drawings in simply illustrative mode.
The present invention is a kind of taper shank bearing tailstock, including tailstock body 1, guide sleeve 2, ball sleeve 3, floating bushing 4, tapered sleeve axis 5, bullet
Spring abutment covers 9, compressed spring 10, rear cover 11, and cylindrical hole, 2 outer circle of guide sleeve and the tailstock body 1 are provided on the tailstock body 1
On the cylindrical hole match, and with front cover 6 together with end flanges by screw 7 and tailstock body 1 fixed, the ball sleeve
3 are placed in the inner hole of the guide sleeve 2, and the floating bushing 4 is placed in the ball sleeve 3, outer by controlling the realization of its excircle dimension
With preload, the front end center of the tapered sleeve axis 5 is provided with standard tool taper hole, passes through outer circle bearings at both ends 8 the gap that disappears of circle cooperation
It holds in the floating bushing 4, the rear end face outer circumference of the spring socket sleeve 9 is evenly distributed with several cylinder counterbores and a circle
Column pin hole, and it is fixed by the first screw 13 and the floating bushing 4, after the rear cover 11 is by the second screw 14 and tailstock body 1
Face is fixed, and the inside of the rear cover 11 and 9 rear end face corresponding position of spring socket sleeve are provided with several even circumferential distribution cylinder counterbores
With a cylinder pin hole, the compressed spring 10 is placed in the cylinder counterbore of rear cover 11 and spring socket sleeve 9, after straight pin 12 is placed in
In the cylinder pin hole of lid 11 and spring socket sleeve 9, to prevent rear cover 11 and spring socket sleeve 9 from relatively rotating, 11 inner bottom surface of rear cover and cone
Axially there are certain flying heights between set 5 rear end face of axis.
As an embodiment, the present apparatus is mounted on tailstock slide plate, is drawn back the bed master that disembarks when use by slide plate
Taper shank tool is packed into machine tool chief axis, driving slide plate is forward until tool taper shank until reserving enough tool changing spaces by axis
It is completely attached to the taper hole of tapered sleeve axis 5, and precompressed one set amount no more than 5 axial floating gap of tapered sleeve axis further along.
For the ordinary skill in the art, specific embodiment is only exemplarily described the present invention,
Obviously the present invention specific implementation is not subject to the restrictions described above, as long as use the inventive concept and technical scheme of the present invention into
The improvement of capable various unsubstantialities, or not improved the conception and technical scheme of the invention are directly applied to other occasions
, it is within the scope of the present invention.
Claims (1)
1. a kind of taper shank supports tailstock, including tailstock body (1), guide sleeve (2), ball sleeve (3), floating bushing (4), tapered sleeve axis (5), bullet
Spring abutment set (9), compressed spring (10), rear cover (11), it is characterised in that: be provided with cylindrical hole, the guide sleeve on the tailstock body (1)
(2) outer circle is matched with the cylindrical hole on the tailstock body (1), and passes through screw together with front cover (6) with end flanges
(7) fixed with tailstock body (1), the ball sleeve (3) is placed in the inner hole of the guide sleeve (2), and the floating bushing (4) is placed in described
In ball sleeve (3), the front end center of the tapered sleeve axis (5) is provided with standard tool taper hole, is supported on by outer circle bearings at both ends (8)
In the floating bushing (4), the rear end face outer circumference of the spring socket sleeve (9) is evenly distributed with several cylinder counterbores and a circle
Column pin hole, and it is fixed by the first screw (13) and the floating bushing (4), and the rear cover (11) passes through the second screw (14) and tail
Frame body (1) is fixed below, and the inside of the rear cover (11) and spring socket sleeve (9) rear end face corresponding position are provided with several even circumferentials
It is distributed cylinder counterbore and a cylinder pin hole, the cylinder that the compressed spring (10) is placed in rear cover (11) and spring socket sleeve (9) is heavy
Kong Zhong, straight pin (12) are placed in the cylinder pin hole of rear cover (11) and spring socket sleeve (9), rear cover (11) inner bottom surface and tapered sleeve axis
(5) axially there are certain flying heights between rear end face.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910742690.0A CN110434359A (en) | 2019-08-13 | 2019-08-13 | A kind of taper shank bearing tailstock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910742690.0A CN110434359A (en) | 2019-08-13 | 2019-08-13 | A kind of taper shank bearing tailstock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110434359A true CN110434359A (en) | 2019-11-12 |
Family
ID=68434988
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910742690.0A Pending CN110434359A (en) | 2019-08-13 | 2019-08-13 | A kind of taper shank bearing tailstock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110434359A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2368877A (en) * | 1940-07-03 | 1945-02-06 | Barber Colman Co | Tailstock clamp |
| US2874600A (en) * | 1955-04-14 | 1959-02-24 | Jeanneret Jules Louis | Arrangement for supporting a work piece on the back center of a machine-tool |
| CN2089853U (en) * | 1991-05-15 | 1991-12-04 | 吴忠民 | High severity and high trueness centre |
| CN2638888Y (en) * | 2003-07-02 | 2004-09-08 | 哈尔滨量具刃具厂 | Tailstock live centre device |
| CN102019440A (en) * | 2010-11-24 | 2011-04-20 | 大连机床集团有限责任公司 | Spring pre-tightening type hydraulic floating tailstock |
| CN202291432U (en) * | 2011-10-08 | 2012-07-04 | 宁波精益飞达轴业有限公司 | Machine tool live center |
| CN104117696A (en) * | 2014-07-16 | 2014-10-29 | 宁波夏拓机械装备有限公司 | Cutter bar tailstock for clamping taper sleeves |
| CN104227035A (en) * | 2014-07-29 | 2014-12-24 | 宁波海天精工股份有限公司 | Removing mechanism for tailstock center of machine tool |
| CN104439308A (en) * | 2014-11-25 | 2015-03-25 | 常州市印宝镍网有限公司 | Improved tip |
-
2019
- 2019-08-13 CN CN201910742690.0A patent/CN110434359A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2368877A (en) * | 1940-07-03 | 1945-02-06 | Barber Colman Co | Tailstock clamp |
| US2874600A (en) * | 1955-04-14 | 1959-02-24 | Jeanneret Jules Louis | Arrangement for supporting a work piece on the back center of a machine-tool |
| CN2089853U (en) * | 1991-05-15 | 1991-12-04 | 吴忠民 | High severity and high trueness centre |
| CN2638888Y (en) * | 2003-07-02 | 2004-09-08 | 哈尔滨量具刃具厂 | Tailstock live centre device |
| CN102019440A (en) * | 2010-11-24 | 2011-04-20 | 大连机床集团有限责任公司 | Spring pre-tightening type hydraulic floating tailstock |
| CN202291432U (en) * | 2011-10-08 | 2012-07-04 | 宁波精益飞达轴业有限公司 | Machine tool live center |
| CN104117696A (en) * | 2014-07-16 | 2014-10-29 | 宁波夏拓机械装备有限公司 | Cutter bar tailstock for clamping taper sleeves |
| CN104227035A (en) * | 2014-07-29 | 2014-12-24 | 宁波海天精工股份有限公司 | Removing mechanism for tailstock center of machine tool |
| CN104439308A (en) * | 2014-11-25 | 2015-03-25 | 常州市印宝镍网有限公司 | Improved tip |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20191112 |
|
| RJ01 | Rejection of invention patent application after publication |