CN202804682U - Machine tool workpiece clamping device - Google Patents

Machine tool workpiece clamping device Download PDF

Info

Publication number
CN202804682U
CN202804682U CN 201220366822 CN201220366822U CN202804682U CN 202804682 U CN202804682 U CN 202804682U CN 201220366822 CN201220366822 CN 201220366822 CN 201220366822 U CN201220366822 U CN 201220366822U CN 202804682 U CN202804682 U CN 202804682U
Authority
CN
China
Prior art keywords
workpiece
center
front center
jaw chuck
scroll chuck
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
Application number
CN 201220366822
Other languages
Chinese (zh)
Inventor
叶晓峰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SUZHOU DONGLI MACHINERY CO Ltd
Original Assignee
SUZHOU DONGLI MACHINERY CO Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by SUZHOU DONGLI MACHINERY CO Ltd filed Critical SUZHOU DONGLI MACHINERY CO Ltd
Priority to CN 201220366822 priority Critical patent/CN202804682U/en
Application granted granted Critical
Publication of CN202804682U publication Critical patent/CN202804682U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Abstract

The utility model relates to a machine tool workpiece clamping piece. The machine tool workpiece clamping piece comprises a three-jaw chuck and a rear center, an elastic movable center is arranged behind the three-jaw chuck and comprises a taper sleeve, a plug, a compression spring and a front center are arranged in the taper sleeve, the compression spring is connected between the plug and the front center, and the front center extends towards the three-jaw chuck. A limiter extending into the three-jaw chuck is sleeved on the rod portion of the front center, and the centers of the front center and the rear center are arranged on the same horizontal line. By elasticity of the compression spring, the front center can axially retract to be always matched with a center hole of a workpiece positioning basis end so as to function in centering, the other end of a workpiece is supported by the rear center, the front center is compressed to the workpiece positioning basis end face to contact with the limiter, the three-jaw chuck is locked, and size of the workpiece in the length direction is guaranteed to be on the same horizontal line with the center of the workpiece, workpiece processing accuracy is guaranteed and product pass rate is increased.

Description

A kind of Machinetool workpiece clamping device
Technical field
The utility model relates to the machinery tools class, relates in particular to a kind of Machinetool workpiece clamping device.
Background technology
Digit Control Machine Tool has efficient height, flexible, characteristics that crudy is reliable and stable, now mostly axial workpiece mainly adopts Digit Control Machine Tool processing, according to the clamping characteristics of Digit Control Machine Tool, workpiece placed in the scroll chuck clamps, back centre withstands, and realizes the clamping to workpiece; Adopt this kind installation way when the positioning reference plane that is installed in the scroll chuck is uneven, produce when beating, cause Workpiece length direction size unstable, and the precision of its positioning datum has directly affected the machining accuracy of rear operation; And the workpiece centre of scroll chuck end and back centre part workpiece centre can not entirely accurates when utilizing the scroll chuck clamping guarantees to cause guaranteeing the form and position tolerance of workpiece on the same level face, affect the workpiece crudy.
The utility model content
The utility model purpose is that a kind of Machinetool workpiece clamping device is provided in order to overcome the deficiencies in the prior art, and the machining accuracy with operation behind the product that guarantees the positioning reference plane injustice improves product percent of pass.
For achieving the above object, the technical solution adopted in the utility model is: a kind of Machinetool workpiece clamping device, comprise scroll chuck, back centre, and described scroll chuck rear is provided with the elasticity rolling center; Described elasticity rolling center comprises tapered sleeve; Be provided with obstruction, Compress Spring, front top in the described tapered sleeve; Described Compress Spring be connected to stop up and front top between; Described front toply in scroll chuck, extend; Described front top bar section is socketed with the limited block that extends in the scroll chuck; Described front top center and back centre center are on the same level line.
Because the utilization of technique scheme, the utility model compared with prior art has following advantages:
A kind of Machinetool workpiece clamping device of the utility model scheme, structural design by the elasticity rolling center, utilize the elasticity of Compress Spring, can make front tail spindle to flexible, all the time cooperate with workpiece positioning datum end centre bore, play certralizing ability, the workpiece other end withstands with back centre, the front top workpiece positioning datum end face that is compressed to is contacted with limited block, scroll chuck locking, thereby guaranteed the lengthwise dimension of workpiece and workpiece centre in the same horizontal line, thereby guaranteed the machining accuracy of workpiece, improved product percent of pass.
Description of drawings
Below in conjunction with accompanying drawing technical solutions of the utility model are described further:
Accompanying drawing 1 is a kind of Machinetool workpiece clamping device structural representation of the present utility model;
Wherein: 1, scroll chuck; 2, back centre; 3, elasticity rolling center; 4, tapered sleeve; 5, stop up; 6, Compress Spring; 7, front top; 8, limited block; 9, workpiece.
The specific embodiment
The utility model is described in further detail below in conjunction with drawings and the specific embodiments.
Accompanying drawing 1 is a kind of Machinetool workpiece clamping device described in the utility model, comprises scroll chuck 1, back centre 2, and described scroll chuck 1 rear is provided with elasticity rolling center 3; Described elasticity rolling center 3 comprises tapered sleeve 4; Be provided with obstruction 5, Compress Spring 6, front top 7 in the described tapered sleeve 4; Described Compress Spring 6 is connected to and stops up between 5 and front top 7; Described front top 7 to scroll chuck 1 interior extension; Described front top 7 bar sections are socketed with to the limited block 8 of scroll chuck 1 interior extension; Described front top 7 centers and back centre 2 centers are on the same level line.The centre bore of workpiece 9 positioning datum ends is cooperated with front top 7, front top 7 play certralizing ability, workpiece 9 other ends withstand with back centre 2, make front top 7 to be compressed to workpiece 9 positioning datum end faces and to contact with limited block 8, with scroll chuck 1 workpiece 9 is locked at last, the assurance that this clamping process is strict workpiece 9 lengthwise dimension with and guaranteed workpiece 9 centers in the same horizontal line, thereby guarantee Product Precision, improve product percent of pass.
Below only be concrete exemplary applications of the present utility model, protection domain of the present utility model is not constituted any limitation.All employing equivalents or equivalence are replaced and the technical scheme of formation, all drop within the utility model rights protection scope.

Claims (1)

1. a Machinetool workpiece clamping device comprises scroll chuck, back centre, it is characterized in that: described scroll chuck rear is provided with the elasticity rolling center; Described elasticity rolling center comprises tapered sleeve; Be provided with obstruction, Compress Spring, front top in the described tapered sleeve; Described Compress Spring be connected to stop up and front top between; Described front toply in scroll chuck, extend; Described front top bar section is socketed with the limited block that extends in the scroll chuck; Described front top center and back centre center are on the same level line.
CN 201220366822 2012-07-27 2012-07-27 Machine tool workpiece clamping device Expired - Fee Related CN202804682U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201220366822 CN202804682U (en) 2012-07-27 2012-07-27 Machine tool workpiece clamping device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201220366822 CN202804682U (en) 2012-07-27 2012-07-27 Machine tool workpiece clamping device

Publications (1)

Publication Number Publication Date
CN202804682U true CN202804682U (en) 2013-03-20

Family

ID=47863625

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 201220366822 Expired - Fee Related CN202804682U (en) 2012-07-27 2012-07-27 Machine tool workpiece clamping device

Country Status (1)

Country Link
CN (1) CN202804682U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106112027A (en) * 2016-08-19 2016-11-16 浙江振兴阿祥集团有限公司 Determination methods with presence or absence of workpiece force-bearing situation and workpiece in elastic composite jacking mechanism and this mechanism
CN110160421A (en) * 2017-12-29 2019-08-23 胡学静 Automatic automobile engine axial workpiece jitter detection apparatus
CN110976923A (en) * 2019-12-18 2020-04-10 广州市昊志机电股份有限公司 Centre, centre clamp holder and centre automatic switching device

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106112027A (en) * 2016-08-19 2016-11-16 浙江振兴阿祥集团有限公司 Determination methods with presence or absence of workpiece force-bearing situation and workpiece in elastic composite jacking mechanism and this mechanism
CN110160421A (en) * 2017-12-29 2019-08-23 胡学静 Automatic automobile engine axial workpiece jitter detection apparatus
CN110976923A (en) * 2019-12-18 2020-04-10 广州市昊志机电股份有限公司 Centre, centre clamp holder and centre automatic switching device
CN110976923B (en) * 2019-12-18 2021-11-16 广州市昊志机电股份有限公司 Centre clamp holder and centre automatic switching control equipment

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Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20130320

Termination date: 20130727