CN203062334U - Workpiece clamping device for lathe machining - Google Patents

Workpiece clamping device for lathe machining Download PDF

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Publication number
CN203062334U
CN203062334U CN 201220745276 CN201220745276U CN203062334U CN 203062334 U CN203062334 U CN 203062334U CN 201220745276 CN201220745276 CN 201220745276 CN 201220745276 U CN201220745276 U CN 201220745276U CN 203062334 U CN203062334 U CN 203062334U
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CN
China
Prior art keywords
housing
workpiece
machined
work holder
bolt
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 201220745276
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Chinese (zh)
Inventor
吴根龙
安聪慧
冯擎峰
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.)
Zhejiang Geely Holding Group Co Ltd
Zhejiang Geely Automobile Research Institute Co Ltd
Zhejiang Jirun Automobile Co Ltd
Original Assignee
Zhejiang Geely Holding Group Co Ltd
Zhejiang Geely Automobile Research Institute Co Ltd
Zhejiang Jirun Automobile 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 Zhejiang Geely Holding Group Co Ltd, Zhejiang Geely Automobile Research Institute Co Ltd, Zhejiang Jirun Automobile Co Ltd filed Critical Zhejiang Geely Holding Group Co Ltd
Priority to CN 201220745276 priority Critical patent/CN203062334U/en
Application granted granted Critical
Publication of CN203062334U publication Critical patent/CN203062334U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model discloses a workpiece clamping device for lathe machining. The workpiece clamping device for the lathe machining is high and adequate in centering efficiency and is suitable for short bar workpieces. The workpiece clamping device for the lathe machining comprises a round-barrel-shaped shell with an open end and a closed end. An annular limit boss is arranged on the outer edge of the end face at the open end of the shell, and three U-type grooves are evenly formed in the cylindrical surface of the open end of the shell along the circumferential direction. The workpiece clamping device of the lathe machining is suitable for batch lathe machining of the short bar workpieces, can improve centering accuracy and efficiency in short bar workpiece assembly and axial positioning accuracy and efficiency in the short bar workpiece assembly, and the workpiece clamping device for the lathe machining is simple and light in structure and low in cost.

Description

A kind of work holder of machined into
Technical field
The utility model relates to the machined into field, refers in particular to the clamping device of installation, holding workpiece on a kind of lathe.
Background technology
In field of machining, machined into is very important a kind of processing mode, often need to use lathe to come processing column or cylindrical workpiece, and when manual machined into workpiece, especially work as the workpiece of processing more in short-term, the axle center of very difficult assurance bar workpiece and the axle center of lathe turning cylinder are point-blank, need after repeatedly adjusting, just can process during installation, and when the more workpiece of the same race of processing, each installation all will be carried out the intricately adjustment and could process, inefficiency, labour intensity is big, and crudy is difficult to secure.
Chinese patent Granted publication CN 201471166U, a kind of self-centering, rolling centre of support frame are disclosed May 19 2010 Granted publication day, it comprises that this centre frame has a rail plate, and it is firmly fixed on the lathe, and can slide front and back on lathe; On the top of rail plate, two ends, the left and right sides are respectively arranged with the slide block that can horizontally slip; The bottom of slide block is connected with rail plate dovetail groove sliding fit; The top of slide block is respectively arranged with claw, and the upper and lower end of claw inboard is fixedly connected with roller respectively, is used for fixing car spare; The middle part of slide block is penetrated with the Luo Sishi bar with forward and reverse silk, the end of screw stock connects handwheel, rotate handwheel, the screw stock rotates, thereby divide resultant motion about the drive claw, roller clamping car spare on the claw, automatically locate, behind the workpiece location, other workpiece can directly be installed, and this self-centering, rolling centre of support frame have well locating effect fast to long bar workpiece, but for than stub material workpiece, because it is shorter to stretch out the Workpiece length of chuck, is not suitable for externally positioning adjustment.
The utility model content
The utility model provides a kind of high lathe workpiece clamping device that is fit to of centering efficient that is fit to than stub material workpiece for the loaded down with trivial details problem of time centering operation that overcomes installation than stub material workpiece.
The work holder of a kind of machined into of the present utility model, comprise an end opening, the barrel-shaped housing of other end sealing, the end face outer of described shell nozzle one end is provided with the annular stop boss, on edge, the shell nozzle end face of cylinder three U-shaped grooves is set evenly circumferentially.Barrel-shaped housing can be filled in chuck central authorities and place in the through hole that the bar workpiece uses, openend outwardly, openend annular stop boss is stuck in the chuck front end face, the shell nozzle end face of cylinder along circumferentially evenly arrange three with housing on the U-shaped groove that is complementary of U-shaped groove, the position at U-shaped groove place and size all with chuck on claw structure match, be that claw can without hindrancely pass U-shaped groove, the inwall of housing matches with processed bar workpiece, when workpiece is installed, workpiece is inserted cylindrical space in the housing, can make the workpiece axle center consistent with the axle center of lathe turning cylinder according to cooperating the space only need adjust slightly, rotate the scroll chuck chucking then.
As preferably, a liner sleeve is set in the described housing, described neck bush drum outer wall cooperates with inner walls, the described liner sleeve one end face of cylinder along circumferential direction evenly arrange three with housing on the U-shaped groove that is complementary of U-shaped groove.According to the actual demand of plant produced and the different liner sleeve of a plurality of internal diameters of diameter standard fabrication of bar workpiece; only need select corresponding liner sleeve at the bar workpiece of different-diameter like this; adjusting the appropriate location puts into the housing space and only need adjust slightly and can finish accurate assembling; significantly improve installation effectiveness; reduce labour intensity; the liner sleeve has also protected workpiece to contact with the direct of housing; reduce wear; improve the service life of housing; the liner sleeve of a plurality of internal diameters can be fit to the processing of different-diameter bar simultaneously, has improved the scope of application of work holder.
As preferably, one circular hole is not set the center, baseplane of opening at described housing, be provided with an axially stop block at described circular hole place.Because workpiece is shorter, the length of workpiece being stretched out chuck also needs very high-precision requirement, and in the process than casual labourer's part batch machining, axial location needs to adjust repeatedly equally, production efficiency is low, therefore housing not opening one end one adjustable axially stop block is set, in the batch machining process, only need carry out an axial location and regulate, fixing axially stop block, directly insertion gets final product when other workpiece are installed, and need not measure again, increases substantially installation effectiveness.
The most preferred, described axially stop block comprises a bolt, nut and a spring, and described bolt passes spring and circular hole successively from enclosure interior, and screw thread one end of bolt is pressed on the housing baseplane by nut.Bolt passes circular hole from enclosure interior, and the part in hull outside on the screw rod is provided with nut, is with a spring on the enclosure interior screw rod.Spring one end withstands bolt head, and an end withstands the housing inboard, the rotation nut, because the effect of spring force, nut is pressed on the outer bottom of housing.When for the first time workpiece being installed, adjust the axial location of workpiece in housing earlier, rotate nut then, make bolt head constantly near an end face of workpiece, up to running into.When installing with a collection of workpiece, just can directly workpiece be pushed up bolt head and carry out axial location, thereby save the adjusting time.
As more preferably, described circular-hole internal-wall is provided with internal thread, and described axially stop block is a caging bolt, described caging bolt from hull outside by with circular hole on screw-internal thread fit be fixed on the housing.Circular hole on the cylindrical shell bottom surface is screwed hole, and caging bolt is screwed into enclosure interior from the outside of housing by screwed hole.When for the first time workpiece being installed, adjust the axial location of workpiece in housing earlier, swivel bolt makes screw rod one end withstand workpiece end face then.When installing with a collection of workpiece, just can directly workpiece be pushed up the screw rod end and carry out axial location, thereby save the adjusting time.
As preferably, a clamp nut is set on the screw rod of described caging bolt, described clamp nut is between caging bolt head and housing baseplane.Adjusting to certain position when caging bolt is, with clamp nut locking, like this can fastening caging bolt, and guarantee machining accuracy.
As preferably, case material is the high-strength PVC material.It is light that the PVC material has quality, and easily processing, and wear-resisting shock absorbing makes that this installation cost is low, and overall structure is light and handy, because hardness is low, can not produce damaging scraping with workpiece.
Therefore, the utlity model has following beneficial effect: (1) improves centering precision and the efficient in the assembling of stub material workpiece; (2) precision and the efficient of the axial location in the assembling of raising stub material workpiece; (3) simple in structure light and handy, cost is low.
Description of drawings
Fig. 1 is the structural representation of embodiment 1;
Fig. 2 is the vertical view of embodiment 1;
Fig. 3 is the cutaway view of embodiment 1;
Fig. 4 is the cutaway view of embodiment 2;
Among the figure: 1. housing, 2. positive stop lug boss, 3.U type groove, 4. liner sleeve, 5. circular hole, 6, caging bolt, 7. clamp nut, 8. spring, 9. bolt, 10. nut.
The specific embodiment
The utility model will be further described below in conjunction with accompanying drawing.
In the embodiment of Fig. 1 and Fig. 2, a kind of work holder of machined into, comprise an end opening, the barrel-shaped housing 1 of other end sealing, the end face outer of housing 1 opening one end is provided with annular stop boss 2, along circumferentially three U-shaped grooves 3 being set evenly, a liner sleeve 4 is set in the housing 1 on the housing 1 openend face of cylinder, liner sleeve 4 outer walls cooperate with housing 1 inwall, the liner sleeve 4 one end faces of cylinder along circumferential direction evenly arrange three with housing on the U-shaped groove 3 that is complementary of U-shaped groove.Barrel-shaped housing 1 can be filled in chuck central authorities and place in the through hole that the bar workpiece uses, openend outwardly, openend annular stop boss 2 is stuck in the chuck front end face, the housing 1 openend face of cylinder is along three U-shaped grooves 3 circumferentially evenly are set, the position at U-shaped groove 3 places and size all with chuck on claw structure match, be that claw can without hindrancely pass U-shaped groove, survey sleeve in being with in the housing 1, the liner sleeve 4 one end faces of cylinder along circumferential direction evenly arrange three with housing on the U-shaped groove that is complementary of U-shaped groove, the inwall of liner sleeve 4 matches with processed bar workpiece, when workpiece is installed, workpiece is inserted liner sleeve 4, can make the workpiece axle center consistent with the axle center of lathe turning cylinder according to cooperating the space only need adjust slightly, rotate the scroll chuck chucking then.According to the actual demand of plant produced and the different liner sleeve 4 of a plurality of internal diameters of diameter standard fabrication of bar workpiece; only need select corresponding liner sleeve 4 at the bar workpiece of different-diameter like this; adjusting the appropriate location puts into housing 1 space and only need adjust slightly and can finish accurate assembling; significantly improve installation effectiveness; reduce labour intensity; liner sleeve 4 has also protected workpiece to contact with the direct of housing 1; reduce wear; improve the service life of housing 1; the liner sleeve 4 of a plurality of internal diameters can be fit to the processing of different-diameter bar simultaneously, has improved the scope of application of work holder.
One circular hole 5 is not set the center, baseplane of opening at housing 1, be provided with an axially stop block at circular hole 5 places, axially stop block comprises a bolt 9, nut 10 and a spring 8, bolt 9 passes spring 8 and circular hole 5 successively from housing 1 inside, and screw thread one end of bolt 9 is pressed on housing 1 baseplane (as shown in Figure 3) by nut 10.Because workpiece is shorter, the length of workpiece being stretched out chuck also needs very high-precision requirement, and in the process than casual labourer's part batch machining, axial location needs to adjust repeatedly equally, production efficiency is low, therefore housing 1 not opening one end one adjustable axially stop block is set, in the batch machining process, only need carry out an axial location and regulate, fixing axially stop block, directly insertion gets final product when other workpiece are installed, and need not measure again, increases substantially installation effectiveness.Bolt 9 passes circular hole 5 from housing 1 inside, and the part in housing 1 outside on the screw rod is provided with nut 10, is with a spring 8 on housing 1 internal screw.Spring 8 one ends withstand bolt 9 heads, and an end withstands housing 1 inboard, rotation nut 10, because the effect of spring 8 power, nut 10 is pressed on the outer bottom of housing 1.When for the first time workpiece being installed, adjust workpiece earlier at the axial location of 1 li of housing, rotate nut 10 then, make bolt 9 heads constantly near an end face of workpiece, up to running into.When installing with a collection of workpiece, just can directly workpiece be pushed up bolt 9 heads and carry out axial location, thereby save the adjusting time.Housing 1 material is the high-strength PVC material.It is light that the PVC material has quality, and easily processing, and wear-resisting shock absorbing makes that this installation cost is low, and overall structure is light and handy, because hardness is low, can not produce damaging scraping with workpiece.
In embodiment shown in Figure 42, a kind of work holder of machined into, the barrel-shaped housing 1 that comprises an end opening, the end face outer of housing 1 opening one end is provided with annular stop boss 2, on edge, the housing 1 openend face of cylinder three U-shaped grooves are set evenly circumferentially, one liner sleeve 4 is set in the housing 1, and liner sleeve 4 outer walls cooperate with housing 1 inwall, the liner sleeve 4 one end faces of cylinder along circumferential direction evenly arrange three with housing on the U-shaped groove that is complementary of U-shaped groove.Barrel-shaped housing 1 can be filled in chuck central authorities and place in the through hole that the bar workpiece uses, openend outwardly, openend annular stop boss 2 is stuck in the chuck front end face, the housing 1 openend face of cylinder is along three U-shaped grooves circumferentially evenly are set, the position at U-shaped groove place and size all with chuck on claw structure match, be that claw can without hindrancely pass U-shaped groove, survey sleeve in being with in the housing 1, the liner sleeve 4 one end faces of cylinder along circumferential direction evenly arrange three with housing on the U-shaped groove that is complementary of U-shaped groove, the inwall of liner sleeve 4 matches with processed bar workpiece, when workpiece is installed, workpiece is inserted liner sleeve 4, can make the workpiece axle center consistent with the axle center of lathe turning cylinder according to cooperating the space only need adjust slightly, rotate the scroll chuck chucking then.According to the actual demand of plant produced and the different liner sleeve 4 of a plurality of internal diameters of diameter standard fabrication of bar workpiece; only need select corresponding liner sleeve 4 at the bar workpiece of different-diameter like this; adjusting the appropriate location puts into housing 1 space and only need adjust slightly and can finish accurate assembling; significantly improve installation effectiveness; reduce labour intensity; liner sleeve 4 has also protected workpiece to contact with the direct of housing 1; reduce wear; improve the service life of housing 1; the liner sleeve 4 of a plurality of internal diameters can be fit to the processing of different-diameter bar simultaneously, has improved the scope of application of work holder.
One circular hole 5 is not set the center, baseplane of opening at housing 1, circular hole 5 inwalls are provided with internal thread, axially stop block is a caging bolt 6, caging bolt 6 from housing 1 outside by with circular hole 5 on screw-internal thread fit be fixed on the housing 1, one clamp nut 7 is set on the screw rod of caging bolt 6, and clamp nut 7 is between caging bolt 6 heads and housing 1 baseplane.Circular hole 5 on cylindrical shell 1 bottom surface is screwed hole, and caging bolt 6 is screwed into housing 1 inside from the outside of housing 1 by screwed hole.When for the first time workpiece being installed, adjust workpiece earlier at the axial location of 1 li of housing, swivel bolt 9 then, make screw rod one end withstand workpiece end face.When installing with a collection of workpiece, just can directly workpiece be pushed up the screw rod end and carry out axial location, thereby save the adjusting time.One clamp nut 7 is set on the screw rod of caging bolt 6, and clamp nut 7 is between caging bolt 6 heads and housing 1 baseplane.Adjusting to certain position when caging bolt 6 is, with clamp nut 7 locking, like this can fastening caging bolt 6, and guarantee machining accuracy.
Housing 1 material is the high-strength PVC material.It is light that the PVC material has quality, and easily processing, and wear-resisting shock absorbing makes that this installation cost is low, and overall structure is light and handy, because hardness is low, can not produce damaging scraping with workpiece.
The work holder of this a kind of machined into is applicable to stub material batch workpiece machined into, it can improve centering precision in the stub material workpiece assembling and precision and the efficient of the axial location in efficient and the assembling of stub material workpiece, and this apparatus structure is simply light and handy, and cost is low.

Claims (7)

1. the work holder of a machined into, it is characterized in that, comprise an end opening, the barrel-shaped housing (1) of other end sealing, the end face outer of described housing (1) opening one end is provided with annular stop boss (2), on edge, housing (1) the openend face of cylinder three U-shaped grooves (3) is set evenly circumferentially.
2. the work holder of a kind of machined into according to claim 1, it is characterized in that, one liner sleeve (4) is set in the described housing (1), described liner sleeve (4) outer wall cooperates with housing (1) inwall, described liner sleeve (4) the one end faces of cylinder along circumferential direction evenly arrange three with housing on the U-shaped groove that is complementary of U-shaped groove.
3. the work holder of a kind of machined into according to claim 1 and 2 is characterized in that, one circular hole (5) is not set the center, baseplane of opening at described housing (1), locates to be provided with an axially stop block at described circular hole (5).
4. the work holder of a kind of machined into according to claim 3, it is characterized in that, described axially stop block comprises a bolt (9), nut (10) and a spring (8), described bolt (9) passes spring (8) and circular hole (5) successively from housing (1) inside, and screw thread one end of bolt (9) is pressed on housing (1) baseplane by nut (10).
5. the work holder of a kind of machined into according to claim 3, it is characterized in that, described circular hole (5) inwall is provided with internal thread, described axially stop block is a caging bolt (6), described caging bolt (6) from housing (1) outside by with circular hole (5) on screw-internal thread fit be fixed on the housing (1).
6. the work holder of a kind of machined into according to claim 5, it is characterized in that, one clamp nut (7) is set on the screw rod of described caging bolt (6), and described clamp nut (7) is positioned between caging bolt (6) head and housing (1) baseplane.
7. according to the work holder of claim 2 or 4 or 6 described a kind of machined into, it is characterized in that housing (1) and liner sleeve (4) material are the high-strength PVC material.
CN 201220745276 2012-12-31 2012-12-31 Workpiece clamping device for lathe machining Expired - Fee Related CN203062334U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201220745276 CN203062334U (en) 2012-12-31 2012-12-31 Workpiece clamping device for lathe machining

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201220745276 CN203062334U (en) 2012-12-31 2012-12-31 Workpiece clamping device for lathe machining

Publications (1)

Publication Number Publication Date
CN203062334U true CN203062334U (en) 2013-07-17

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104369007A (en) * 2014-11-25 2015-02-25 吴中区长桥诚惠机械加工厂 Fixture for fixing cylinder
CN104385015A (en) * 2014-09-11 2015-03-04 西安鸣士数控机床有限公司 Axial precision positioner of a spring chuck
CN106271707A (en) * 2016-08-25 2017-01-04 吴忠仪表有限责任公司 Keyway processing set
CN107470661A (en) * 2017-09-14 2017-12-15 武汉市恒通诚汽车零部件有限公司 Shaft-like workpiece axial direction positioning device, shaft-like workpiece machining tool and processing method
CN107932153A (en) * 2017-11-24 2018-04-20 东风汽车电子有限公司 A kind of lathe positioning anchor
CN114378601A (en) * 2022-03-02 2022-04-22 中国工程物理研究院材料研究所 Clamping positioning tool and using method thereof

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104385015A (en) * 2014-09-11 2015-03-04 西安鸣士数控机床有限公司 Axial precision positioner of a spring chuck
CN104369007A (en) * 2014-11-25 2015-02-25 吴中区长桥诚惠机械加工厂 Fixture for fixing cylinder
CN106271707A (en) * 2016-08-25 2017-01-04 吴忠仪表有限责任公司 Keyway processing set
CN107470661A (en) * 2017-09-14 2017-12-15 武汉市恒通诚汽车零部件有限公司 Shaft-like workpiece axial direction positioning device, shaft-like workpiece machining tool and processing method
CN107932153A (en) * 2017-11-24 2018-04-20 东风汽车电子有限公司 A kind of lathe positioning anchor
CN114378601A (en) * 2022-03-02 2022-04-22 中国工程物理研究院材料研究所 Clamping positioning tool and using method thereof

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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: 20130717

Termination date: 20131231