CN102672220A - Double-head automatic pneumatic positioning chuck - Google Patents

Double-head automatic pneumatic positioning chuck Download PDF

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Publication number
CN102672220A
CN102672220A CN2012101513693A CN201210151369A CN102672220A CN 102672220 A CN102672220 A CN 102672220A CN 2012101513693 A CN2012101513693 A CN 2012101513693A CN 201210151369 A CN201210151369 A CN 201210151369A CN 102672220 A CN102672220 A CN 102672220A
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China
Prior art keywords
steel ball
blind rivet
groove
chuck
chuck body
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Pending
Application number
CN2012101513693A
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Chinese (zh)
Inventor
康明旭
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Martin Luther Robotics (shanghai) Co Ltd
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Martin Luther Robotics (shanghai) Co Ltd
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Priority to CN2012101513693A priority Critical patent/CN102672220A/en
Publication of CN102672220A publication Critical patent/CN102672220A/en
Pending legal-status Critical Current

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Abstract

The invention discloses a double-head automatic pneumatic positioning chuck, which comprises a pedestal and a left chuck body, wherein the left chuck body is fixed on one side of the central line of the pedestal; a left rivet slot is formed in the center of the left chuck body; the side wall of the left rivet slot is provided with a left steel ball hole; a left steel ball is arranged in the left steel ball hole; the thickness of the side wall of the left rivet slot is less than the diameter of the left steel ball; the outer end face of the side wall of the left rivet slot and the left chuck body form a left piston slot; a left piston is arranged in the left piston slot; a left compression spring slot is formed in the left piston; a left compression spring is arranged in the left compression spring slot and is in a compressed state; and a symmetric double pull head structure is arranged at a corresponding position of the central line of the pedestal. According to the double-head automatic pneumatic positioning chuck, the time of repeated correction can be saved in switched machining of multiple stations of multiple machine tools by means of a tray, and the positional repeatability can be guaranteed by reliably pulling a workpiece on the chuck. Particularly, the double-head automatic pneumatic positioning chuck has the advantages of high tensioning force, stable and reliable positioning, pneumatic clamping and capability of realizing large-scale automatic production by applying a double-head tensioning mode.

Description

Double end automatic air pressure positioning chuck
Technical field
The invention belongs to machining and use the clamp technology field, specifically just relate to a kind of double end automatic air pressure positioning chuck that the precision component mechanical processing process clamps usefulness that is used for.
Background technology
Chuck is to be used for the mechanical device of clamping work pieces on the lathe, utilizes moving radially of the movable jaw that is distributed on the chuck body, clamps workpiece and the machine tool accessories of location.Chuck generally is made up of chuck body, movable jaw and claw driving mechanism 3 parts.Chuck body diameter minimum is 65 millimeters, and maximum can reach 1500 millimeters, and there is through hole in central authorities, so that through workpiece or bar; The back has cylindrical or the short taper profile structure, directly or through ring flange and machine tool chief axis end links.Chuck is installed in usually on lathe, cylindrical grinder and the internal grinder and uses, and also can cooperate with various indexing means, is used for milling machine and drilling machine.Chuck can be divided into above the chuck jaw number: two-jaw(ed)chuck, scroll chuck, chuck, six dog chucks and special chuck; From working power, can be divided into: hand chuck, air spider, oild chuck, electric chuck and mechanical chuck; Above structure, can also be divided into: hollow type and full mold.
Along with the required precision of machine components is increasingly high; Positioning accuracy request to each lathe in the mechanical processing process and each manufacturing procedure is also increasingly high, and especially the precision of positioning fixture directly influences the final precision of product, existing location tensioning technique especially in enormous quantities, automated production; Workpiece is when changing; Positional precision control difficulty perhaps will spend the more time to proofread and correct repeatedly, is difficult to reach requirement in enormous quantities, automated production positioning accuracy.Using existing accurate chuck to be used for Vehicle Processing or to mill adding man-hour; Running accuracy or positional precision during clamping work pieces are generally had relatively high expectations; If same part must could be accomplished the man-hour that adds of the different Ministry of worker through many lathes, in the conversion of workpiece between lathe and lathe, need repeat to clamp, proofread and correct; Not only time-consuming but also can't guarantee precision, more can't really realize in enormous quantities, automated production.
Summary of the invention
The purpose of this invention is to provide a kind of double end automatic air pressure positioning chuck, in the Precision Machining process, part is when changing lathe and station; Do not need resetting, disposable just can the part of required processing the location accomplished, and reduce the deviation accumulation that resetting produces; Improved the precision of clamping and positioning, adapted to the needs of mass automatic production, whole air pressure chuck tightening force is big; Positioning stablity is reliable, pneumatic pinch
Technical scheme
In order to realize above-mentioned technical purpose, the present invention designs a kind of double end automatic air pressure positioning chuck, it is characterized in that: it comprises that base, left chuck body are fixed on center line one side; Chuck body center, a left side has the Zola and follows closely groove, and the Zola follows closely and has left steel ball hole on the groove sidewall, and left steel ball is housed in the left steel ball hole; The Zola follows closely the groove sidewall thickness less than left steel ball size; The Zola follows closely groove sidewall outer face and left chuck body forms the left piston groove, in the left piston groove left piston is housed, and has left pressure spring slot in the left piston; In the pressure spring slot of a left side left stage clip is housed, left stage clip is in compressive state; Said Zola follows closely is equipped with the location blind rivet in the groove, the location blind rivet has left steel ball bit-avoiding slot at left steel ball correspondence position, in the blind rivet of location left lock-screw is housed; Right chuck body is fixed on center line right side, and right chuck body center has right blind rivet groove, has right steel ball hole on the right blind rivet groove sidewall; In the right steel ball hole right steel ball is housed, right blind rivet groove sidewall thickness is less than right steel ball size, and right blind rivet groove sidewall outer face and right chuck body form right piston groove; In the right piston groove right piston is housed; Have right pressure spring slot in the right piston, right stage clip is housed in the right pressure spring slot, right stage clip is in compressive state.
In the said right blind rivet groove compensation blind rivet is housed, the compensation blind rivet has right steel ball bit-avoiding slot at right steel ball correspondence position, in the compensation blind rivet right lock-screw is housed;
Said location blind rivet is equipped with pallet with compensation blind rivet head.
Said left piston groove and right piston groove bottom have air admission hole and are communicated with outside.
Said left chuck body and right chuck body are fixed on the base through screw.
The locating surface of said location blind rivet is a taper seat, and the outermost end circle diameter is
Figure BDA00001641498200021
The locating surface of said compensation blind rivet is a taper seat; The outermost end circle diameter has the symmetrical wide 6mm of circle diameter along the outer end, the convexity that high 0.01mm does outward for
Figure BDA00001641498200022
taper seat.
Said left chuck body and right chuck body are symmetrically distributed with the center line.
The present invention can in the conversion of multinomial station, exempt the time that repeats to proofread and correct at many lathes by means of pallet, and can workpiece tension reliably have been guaranteed the repeatable position precision on chuck.Particularly the present invention uses the mode of double end tension, and tightening force is bigger, locate more reliable and more stablely, and pneumatic pinch can realize in enormous quantities, automated production.
Beneficial effect
The present invention is in the precision instrument process, and part does not need resetting when changing lathe and station; Disposable just can the part of required processing the location accomplished, and reduce the deviation accumulation that resetting produces, and improved the precision of clamping and positioning; Adapt to the needs of mass automatic production, whole air pressure chuck tightening force is big, and positioning stablity is reliable; Pneumatic pinch; Can realize in enormous quantities, automated production smoothly, whole device adopts two pull heads to compensate locate mode, is that follow flexibly with firm the location.
Description of drawings
Accompanying drawing 1 is a sketch map of the present invention.
Accompanying drawing 2 is location blind rivets and compensation blind rivet scheme of installation among the present invention.
Accompanying drawing 3 is compensation blind rivet vertical views among the present invention.
The specific embodiment
Below in conjunction with accompanying drawing and embodiment, the present invention is done further elaboration.
Shown in accompanying drawing 1, a kind of double end automatic air pressure positioning chuck, wherein; It comprises that base 1, left chuck body 2 are fixed on base 1 center line one side, and left chuck body 2 centers have the Zola and follow closely groove 3, and the Zola follows closely on groove 3 sidewalls and has left steel ball hole; In the steel ball hole of a left side left steel ball 4 is housed, the Zola follows closely groove 3 sidewall thickness less than left steel ball 4 diameters, and the Zola follows closely groove 3 sidewall outer faces and left chuck body 2 forms left piston groove 5; Left piston 6 is housed in the left piston groove 5; Have left pressure spring slot 7 in the left piston 6, left stage clip 8 is housed in the left pressure spring slot 7, left stage clip 8 is in compressive state.
Said Zola follows closely is equipped with location blind rivet 9 in the groove 3, location blind rivet 9 has left steel ball 4 bit-avoiding slots at left steel ball 4 correspondence positions, in the blind rivet 9 of location left lock-screw 10 is housed.
Said right chuck body 11 is fixed on base 1 center line right side; Right chuck body 11 centers have right blind rivet groove 12, have right steel ball hole on right blind rivet groove 12 sidewalls, and right steel ball 13 is housed in the right steel ball hole; Right blind rivet groove 12 sidewall thickness are less than right steel ball 13 diameters; Right blind rivet groove 12 sidewall outer faces and right chuck body 11 form right piston groove 14, and right piston 15 is housed in the right piston groove 14, have right pressure spring slot 16 in the right piston 15; In the right pressure spring slot 16 right stage clip 17 is housed, right stage clip 17 is in compressive state.
Compensation blind rivet 18 is housed in the said right blind rivet groove 12, and compensation blind rivet 18 has right steel ball 13 bit-avoiding slots at right steel ball 13 correspondence positions, in the compensation blind rivet 18 right lock-screw 19 is housed.
Said location blind rivet 9 is equipped with pallet with compensation blind rivet 18 heads.
Said left piston groove 5 has air admission hole with right piston groove 14 bottoms and is communicated with outside.
Said left chuck body 2 is fixed on the base 1 through screw with right chuck body 11, is symmetrically distributed with base 1 center line.
Shown in accompanying drawing 2 and 3; The locating surface of said location blind rivet 9 is taper seats; The outermost end circle diameter is taper seats for the locating surface of
Figure BDA00001641498200041
said compensation blind rivet 18; The outermost end circle diameter has the symmetrical wide 6mm of circle diameter along the outer end, the protruding 18a that high 0.01mm does outward for
Figure BDA00001641498200042
taper seat.
The present invention has designed a pallet between workpiece and chuck, workpiece can be processed in the conversion of multinomial station at many lathes by means of pallet, has exempted the time that repeats to proofread and correct, and can workpiece tension reliably have been guaranteed positional precision on chuck.The present invention has used the mode of double end tension, and tightening force is bigger, locate more reliable and more stablely, and pneumatic pinch can realize in enormous quantities, automated production.Simultaneously, the present invention is in the precision instrument process, and part is when changing lathe and station; Do not need resetting, disposable just can the part of required processing the location accomplished, and reduce the deviation accumulation that resetting produces; Improved the precision of clamping and positioning, adapted to the needs of mass automatic production, whole air pressure chuck tightening force is big; Positioning stablity is reliable, and pneumatic pinch can realize in enormous quantities, automated production smoothly; Whole device adopts two pull heads to compensate locate mode, makes the location more flexibly with firm.

Claims (5)

1. double end automatic air pressure positioning chuck, it is characterized in that: it comprises that base (1), left chuck body (2) are fixed on base (1) center line one side, and left chuck body (2) center has the Zola and follows closely groove (3); The Zola follows closely on groove (3) sidewall and has left steel ball hole; In the steel ball hole of a left side left steel ball (4) is housed, the Zola follows closely groove (3) sidewall thickness less than left steel ball (4) diameter, and the Zola follows closely groove (3) sidewall outer face and left chuck body (2) forms left piston groove (5); Left piston (6) is housed in the left piston groove (5); Have left pressure spring slot (7) in the left piston (6), left stage clip (8) is housed in the left pressure spring slot (7), left stage clip (8) is in compressive state;
Said Zola follows closely is equipped with location blind rivet (9) in the groove (3), location blind rivet (9) has left steel ball (4) bit-avoiding slot at left steel ball (4) correspondence position, in the location blind rivet (9) left lock-screw (10) is housed;
Said right chuck body (11) is fixed on base (1) center line right side; Right chuck body (11) center has right blind rivet groove (12), has right steel ball hole on right blind rivet groove (12) sidewall, and right steel ball (13) is housed in the right steel ball hole; Right blind rivet groove (12) sidewall thickness is less than right steel ball (13) diameter; Right blind rivet groove (12) sidewall outer face and right chuck body (11) form right piston groove (14), and right piston (15) is housed in the right piston groove (14), have right pressure spring slot (16) in the right piston (15); In the right pressure spring slot (16) right stage clip (17) is housed, right stage clip (17) is in compressive state;
Compensation blind rivet (18) is housed in the said right blind rivet groove (12), and compensation blind rivet (18) has right steel ball (13) bit-avoiding slot at right steel ball (13) correspondence position, in the compensation blind rivet (18) right lock-screw (19) is housed;
Said location blind rivet (9) and compensation blind rivet (18) head are equipped with pallet.
2. a kind of double end automatic air pressure positioning chuck as claimed in claim 1 is characterized in that: said left piston groove (5) and right piston groove (14) bottom have air admission hole and are communicated with outside.
3. a kind of double end automatic air pressure positioning chuck as claimed in claim 1 is characterized in that: said left chuck body (2) and right chuck body (11) are fixed on the base (1) through screw.
4. a kind of double end automatic air pressure positioning chuck as claimed in claim 1; It is characterized in that: the locating surface of said location blind rivet (9) is a taper seat, and the outermost end circle diameter is
Figure FDA00001641498100011
The locating surface of said compensation blind rivet (18) is a taper seat; The outermost end circle diameter has the symmetrical wide 6mm of circle diameter along the outer end, the convexity of high 0.01mm (18a) outward for
Figure FDA00001641498100012
taper seat.
5. a kind of double end automatic air pressure positioning chuck as claimed in claim 1 is characterized in that: said left chuck body (2) and right chuck body (11) are symmetrically distributed with base (1) center line.
CN2012101513693A 2012-05-15 2012-05-15 Double-head automatic pneumatic positioning chuck Pending CN102672220A (en)

Priority Applications (1)

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Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2012101513693A CN102672220A (en) 2012-05-15 2012-05-15 Double-head automatic pneumatic positioning chuck

Publications (1)

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CN102672220A true CN102672220A (en) 2012-09-19

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106466716A (en) * 2015-08-14 2017-03-01 星视野精密机械股份有限公司 The additional shaft positioning and clamping mechanism of gantry processor
CN106694926A (en) * 2017-03-20 2017-05-24 陈祖耀 Hydraulic four-claw chuck
CN113353728A (en) * 2021-06-17 2021-09-07 长沙衡开智能科技有限公司 Automatic locking device of welding wire layer winding machine
CN114131377A (en) * 2021-12-22 2022-03-04 大连光洋自动化液压系统有限公司 Automatic zero positioning system and workpiece mother board

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN88101857A (en) * 1987-03-30 1988-10-19 厄罗瓦公司 Instrument is detachably connected to device on the operating mechanism
US5415384A (en) * 1993-03-09 1995-05-16 Erowa Ag Apparatus for clamping a work piece at a work station of a machining apparatus in a well defined position
EP0803316A1 (en) * 1996-04-23 1997-10-29 Kabushiki Kaisha Kosmek Clamping apparatus
US6073325A (en) * 1997-02-14 2000-06-13 Stark; Emil Quick-action clamping cylinder with fluid outlet
CN1287039A (en) * 1999-09-02 2001-03-14 3R系统国际有限公司 Connector for clamping a pallet or analogue
CN202655670U (en) * 2012-05-15 2013-01-09 马丁路德机器人(上海)有限公司 Double-head automatic pneumatic positioning chuck

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN88101857A (en) * 1987-03-30 1988-10-19 厄罗瓦公司 Instrument is detachably connected to device on the operating mechanism
US5415384A (en) * 1993-03-09 1995-05-16 Erowa Ag Apparatus for clamping a work piece at a work station of a machining apparatus in a well defined position
EP0803316A1 (en) * 1996-04-23 1997-10-29 Kabushiki Kaisha Kosmek Clamping apparatus
US6073325A (en) * 1997-02-14 2000-06-13 Stark; Emil Quick-action clamping cylinder with fluid outlet
CN1287039A (en) * 1999-09-02 2001-03-14 3R系统国际有限公司 Connector for clamping a pallet or analogue
CN202655670U (en) * 2012-05-15 2013-01-09 马丁路德机器人(上海)有限公司 Double-head automatic pneumatic positioning chuck

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106466716A (en) * 2015-08-14 2017-03-01 星视野精密机械股份有限公司 The additional shaft positioning and clamping mechanism of gantry processor
CN106694926A (en) * 2017-03-20 2017-05-24 陈祖耀 Hydraulic four-claw chuck
CN106694926B (en) * 2017-03-20 2018-07-10 陈祖耀 Hydraulic pressure chuck
CN113353728A (en) * 2021-06-17 2021-09-07 长沙衡开智能科技有限公司 Automatic locking device of welding wire layer winding machine
CN114131377A (en) * 2021-12-22 2022-03-04 大连光洋自动化液压系统有限公司 Automatic zero positioning system and workpiece mother board
CN114131377B (en) * 2021-12-22 2024-05-17 大连光洋自动化系统有限公司 Automatic zero point positioning system and workpiece mother board

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Application publication date: 20120919