CN102554299A - Self-centering power chuck for swing rod - Google Patents
Self-centering power chuck for swing rod Download PDFInfo
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- CN102554299A CN102554299A CN2010105883474A CN201010588347A CN102554299A CN 102554299 A CN102554299 A CN 102554299A CN 2010105883474 A CN2010105883474 A CN 2010105883474A CN 201010588347 A CN201010588347 A CN 201010588347A CN 102554299 A CN102554299 A CN 102554299A
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- oil cylinder
- connecting rod
- chuck body
- chuck
- slide block
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Abstract
The invention relates to a self-centering power chuck for a swing rod, which comprises a chuck body, a clamping jaw seat, a slider, a slider pin, clamping jaws, a plurality of connecting rods, a connecting rod pin, a connecting rod seat, a flange plate, a round pressing plate, a joint shaft, a joint, an oil cylinder, an oil cylinder seat and an oil cylinder shaft. Linear movement of a rod of the oil cylinder is transformed into circumferential movement of the flange plate, circumferential movement of the flange plate is transformed into linear movement of the matched clamping jaws along a circumferential radiant line through the connecting rods circumferentially and evenly distributed, and the clamping jaws synchronously move, so that a workpiece is pushed to a circle center until being clamped. Compared with the prior art, the self-centering power chuck has the advantages of simple structure, convenience in machining, low machining cost, small axial size and large travel of the clamping jaws.
Description
Technical field
The present invention relates to the chuck that uses on a kind of lathe, especially a kind of fork self-centering power chuck.
Background technology
At present, the self-centering hand chuck majority that uses on the various lathes is parcel-bevel gear pair or lead screw pair-bevel gear auxiliary structure, its parcel, lead screw pair, the secondary processing cost height of bevel gear, and also the claw stroke of parcel-bevel gear auxiliary structure is little; Self-centering power chuck majority is the wedge-type structure, its complex structure, and axial dimension is big, and the stroke of claw is also little.
Summary of the invention
The objective of the invention is provides a kind of fork self-centering power chuck to above-mentioned deficiency of the prior art, and this fork self-centering power chuck is simple in structure, easy to process, saves material, and processing cost is low, and the stroke of claw is big, and clamping range is big, and axial dimension is little.
The present invention can be able to implement through following technical scheme: a kind of fork self-centering power chuck is made up of chuck body, master jaw, slide block, slide block bearing pin, claw, connecting rod, pitman pin, connecting rod base, ring flange, round clamp, joint axis, joint, oil cylinder, oil cylinder seat, oil cylinder axle.Ring flange is close to the below that is installed in chuck body and, chuck body coaxial with chuck body and ring flange and can be rotated each other; Slide block is installed in the slotted eye above the chuck body and can in slotted eye, slides; Following and the matched in clearance that the slide block bearing pin is fixed on slide block is inserted in the hole of connecting rod one end, and the other end matched in clearance of connecting rod is sleeved on the pitman pin, and pitman pin is fixedly mounted in the hole corresponding on connecting rod base and the ring flange; Connecting rod base is fixedly mounted on the ring flange; Be installed with master jaw above the slide block, claw can be fixed on positions different on the master jaw, round clamp is fixedly mounted on the chuck body, with chuck body coaxial and be pressed on the ring flange, the moving axially of restriction ring flange; The cylinder body of oil cylinder is installed on the oil cylinder seat through the oil cylinder axle; Oil cylinder seat is fixedly mounted on the chuck body, the cylinder bar of oil cylinder is installed on the connecting rod base through joint and joint axis, and connecting rod base is fixedly mounted on the ring flange, and oil cylinder seat can be fixedly mounted on the lathe.
The upper and lower surperficial corresponding position of above-mentioned chuck body all is processed with elongated slot, is processed with the slotted eye that upper and lower surface communicates in the elongated slot, and this elongated slot and slotted eye can be that two groups, three groups, four groups, n group become radial even distribution along the chuck body circumference.
Elongated slot and slotted eye quantity on above-mentioned master jaw, slide block, slide block bearing pin, claw, connecting rod, pitman pin, connecting rod base quantity and the chuck body are complementary, corresponding formation two pawls, three-jaw, four paws, n dog chuck.
Above-mentioned oil cylinder can be two or n oil cylinder that an oil cylinder also is symmetrically distributed along chuck body.
Above-mentioned oil cylinder also can change cylinder into.
The present invention is with the rectilinear motion of oil cylinder cylinder bar; Convert the circular motion of ring flange to; Convert the rectilinear motion along the circumference radioactive ray of the claw that is complementary again through a plurality of connecting rods that are uniformly distributed along the circumference to, and reach being synchronized with the movement of each claw, thereby push workpiece to the center of circle up to chucking.
The also available worm couple of the circular motion of above-mentioned ring flange, secondary artificial rotation of bevel gear, the present invention promptly becomes fork self-centering hand chuck.
The present invention compared with prior art has the following advantages: simple in structure, easy to process, processing cost is low, and axial dimension is little, and the claw stroke is big.
Description of drawings
The scroll chuck that at present combines fork self-centering power chuck of the present invention is that example is carried out detailed explanation:
Fig. 1 is a fork self-centering power chuck cutaway view of the present invention;
Fig. 2 is a view under the fork self-centering power chuck of the present invention;
Fig. 3 is a fork self-centering power chuck 3-D view of the present invention;
Fig. 4 is a fork self-centering power chuck chuck body top view of the present invention;
Fig. 5 is a view under the fork self-centering power chuck chuck body of the present invention;
Fig. 6 is a fork self-centering power chuck chuck body 3-D view of the present invention;
Fig. 7 is a fork self-centering power chuck chuck body alternative plan 3-D view of the present invention;
In Fig. 1,2,3: 1. chuck body, 2. master jaw, 3. slide block, 4. slide block bearing pin, 5. claw, 6. connecting rod, 7. pitman pin, 8. connecting rod base, 9. ring flange, 10. round clamp, 11. joint axis, 12. joints, 13. oil cylinders, 14. oil cylinder seats, 15. oil cylinder axles.
The specific embodiment
With reference to Figure of description fork self-centering power chuck of the present invention is done following the detailed description.
Fork self-centering power chuck of the present invention is made up of chuck body 1, master jaw 2, slide block 3, slide block bearing pin 4, claw 5, connecting rod 6, pitman pin 7, connecting rod base 8, ring flange 9, round clamp 10, joint axis 11, joint 12, oil cylinder 13, oil cylinder seat 14, oil cylinder axle 15.Ring flange 9 is close to the below that is installed in chuck body 1 and, chuck body 11 coaxial with chuck body and ring flange 9 and can be rotated each other; Slide block 3 is installed in the slotted eye above the chuck body 1 and can in slotted eye, slides; Following and the matched in clearance that slide block bearing pin 4 is fixed on slide block 3 is inserted in the hole of connecting rod 6 one ends, and the interporal lacuna engage sleeves of connecting rod 6 other ends is contained on the pitman pin 7, connecting rod 6 can be around slide block bearing pin 4 and pitman pin 7 swings, and pitman pin 7 is fixedly mounted in the hole corresponding on connecting rod base 8 and the ring flange 9; Connecting rod base 8 is fixedly mounted on the ring flange 9; Be installed with master jaw 2 above the slide block 3, claw 5 can be fixed on positions different on the master jaw 2, round clamp 10 is fixedly mounted on the chuck body 1, with chuck body 1 coaxial and be pressed on the ring flange 9, the moving axially of restriction ring flange 9; The cylinder body of oil cylinder 13 is installed in oil cylinder seat 14 through oil cylinder axle 15; Oil cylinder seat 14 is fixedly mounted on the chuck body 1, and the cylinder bar of oil cylinder 13 is installed on the ring flange 9 through joint 12 and joint axis 11, and oil cylinder 13 can be around oil cylinder axle 15 and joint axis 11 swings; Oil cylinder seat 14 is fixedly mounted on the chuck body 1, and oil cylinder seat 14 can be fixed on the lathe.
Above-mentioned chuck body 1 upper and lower surperficial corresponding position all is processed with elongated slot, is processed with the slotted eye that upper and lower surface communicates in the elongated slot, and this elongated slot and slotted eye can be that two groups, three groups, four groups, n group become radial even distribution along the chuck body circumference.
1 second kind of organization plan of above-mentioned chuck body is stressed little part material to be removed along the exterior wall of each elongated slot.
The quantity of above-mentioned master jaw 2, slide block 3, slide block bearing pin 4, claw 5, connecting rod 6, pitman pin 7, connecting rod base 8 and the elongated slot on the chuck body 1 and slotted eye quantity are complementary, corresponding formation two pawls, three-jaw, four paws, n dog chuck.
Above-mentioned oil cylinder 13 can be two or n oil cylinder 13 that an oil cylinder 13 also is symmetrically distributed along chuck body.
Above-mentioned oil cylinder 13 also can change cylinder into.
The present invention is with the rectilinear motion of the cylinder bar of oil cylinder 13; Convert the circular motion of ring flange 9 to; Convert the rectilinear motion along the circumference radioactive ray of the claw 5 that is complementary again through a plurality of connecting rods 6 that are uniformly distributed along the circumference to, and reach being synchronized with the movement of each claw 5, thereby push workpiece to the center of circle up to chucking.
Method for using:
During fork self-centering power chuck clamping rotational workpieces of the present invention, its oil cylinder seat 14 is fixed on the spindle flange dish of lathe, the oil pipe of oil cylinder 13 is connected on the Hydraulic Station through the angling cylinder that is installed on same main shaft.
Fork self-centering power chuck of the present invention grips or when swinging workpiece, its oil cylinder seat 14 is fixed on the workbench of lathe, and the oil pipe of oil cylinder 13 is connected on the Hydraulic Station.
According to the workpiece to be processed diameter; Claw 5 is fixed on the position that is fit on the master jaw 2; Workpiece is put on the fork self-centering power chuck of the present invention, presses electric switch, oil cylinder 13 back cavity oil-feeds, cylinder bar are overhanging; Promoting ring flange 9 through joint 12, joint axis 11 rotates along its axis; Ring flange 9 is pushed claw 5 axle center of chuck body 1 to through connecting rod base 8, pitman pin 7, connecting rod 6, slide block bearing pin 4, slide block 3, master jaw 2, because all connecting rod bases 8, pitman pin 7, connecting rod 6, slide block bearing pin 4, slide block 3, master jaw 2, claw 5 characteristics are all identical, so a plurality of claw 5 equidistance are shifted to the axis of chuck body 1; And with to be processed the axis of pushing chuck body 1 to, till clamping.To be processed machine after; Press electric switch; Receive in oil cylinder 13 ante-chamber oil-feeds, the cylinder bar, along its axis reverse rotation, ring flange 9 is pulled away from the axle center through connecting rod base 8, pitman pin 7, connecting rod 6, slide block bearing pin 4, slide block 3, master jaw 2 with claw 5 through joint 12, joint axis 11 pulling ring flanges 9; Workpiece is taken out, can carry out the processing of subsequent workpiece.
Claims (4)
1. fork self-centering power chuck; Constitute by chuck body, master jaw, slide block, slide block bearing pin, claw, connecting rod, pitman pin, connecting rod base, ring flange, round clamp, joint axis, joint, oil cylinder, oil cylinder seat, oil cylinder axle; It is characterized in that: ring flange is close to the below that is installed in chuck body and, chuck body coaxial with chuck body and ring flange and can be rotated each other; Slide block is installed in the slotted eye above the chuck body and can in slotted eye, slides, and the following and matched in clearance that the slide block bearing pin is fixed on slide block is inserted in the hole of connecting rod one end, and the other end matched in clearance of connecting rod is sleeved on the pitman pin; Pitman pin is fixedly mounted in the hole corresponding on connecting rod base and the ring flange; Connecting rod base is fixedly mounted on the ring flange, is installed with master jaw above the slide block, and claw can be fixed on positions different on the master jaw; Round clamp is fixedly mounted on the chuck body, coaxial and be pressed on the ring flange with chuck body; The cylinder body of oil cylinder is installed on the oil cylinder seat through the oil cylinder axle, and oil cylinder seat is fixedly mounted on the chuck body, the cylinder bar of oil cylinder is installed on the connecting rod base through joint and joint axis, and connecting rod base is fixedly mounted on the ring flange.
2. fork self-centering power chuck according to claim 1; It is characterized in that: the upper and lower surperficial corresponding position of above-mentioned chuck body all is processed with elongated slot; Be processed with the slotted eye that upper and lower surface communicates in the elongated slot, this elongated slot and slotted eye can be that two groups, three groups, four groups, n group become radial even distribution along the chuck body circumference.
3. fork self-centering power chuck according to claim 1 is characterized in that: above-mentioned chuck body can be removed stressed little part material along the exterior wall of each elongated slot.
4. fork self-centering power chuck according to claim 1; It is characterized in that: elongated slot and slotted eye quantity on above-mentioned master jaw, slide block, slide block bearing pin, claw, connecting rod, pitman pin, connecting rod base quantity and the chuck body are complementary, corresponding formation two pawls, three-jaw, four paws, n dog chuck.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105883474A CN102554299A (en) | 2010-12-15 | 2010-12-15 | Self-centering power chuck for swing rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105883474A CN102554299A (en) | 2010-12-15 | 2010-12-15 | Self-centering power chuck for swing rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102554299A true CN102554299A (en) | 2012-07-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010105883474A Pending CN102554299A (en) | 2010-12-15 | 2010-12-15 | Self-centering power chuck for swing rod |
Country Status (1)
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| CN (1) | CN102554299A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103786042A (en) * | 2012-10-31 | 2014-05-14 | 苏州久工自动化科技有限公司 | Three-jaw clamp holder |
| CN105479271A (en) * | 2016-01-29 | 2016-04-13 | 电子科技大学 | Sphere center centring and positioning device for five-axis machine tool error synchronous detection mechanism |
| CN105479205A (en) * | 2015-12-29 | 2016-04-13 | 上海发那科机器人有限公司 | Long-stroke self-centering clamping device |
| CN106964936A (en) * | 2017-03-13 | 2017-07-21 | 广东尚高科技有限公司 | A kind of basketry welding tooling |
| CN109132944A (en) * | 2018-07-11 | 2019-01-04 | 张亚欣 | A kind of machining flange pan arrest act device |
| CN110238419A (en) * | 2019-07-16 | 2019-09-17 | 潍坊威豹机械有限责任公司 | A kind of multi-work piece clamping self-centering chuck |
| CN113928542A (en) * | 2021-11-19 | 2022-01-14 | 中国直升机设计研究所 | Undercarriage bearing structure |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03121706A (en) * | 1989-10-03 | 1991-05-23 | Fuji Technica Inc | Coupling device for exchange chuck |
| CN201115875Y (en) * | 2007-10-30 | 2008-09-17 | 国营红阳机械厂 | Large diameter fast positioning clamping chuck |
| US20090053979A1 (en) * | 2004-03-31 | 2009-02-26 | Eastland Medical Systems Ltd. | Jig |
| CN101450389A (en) * | 2008-12-30 | 2009-06-10 | 厦门思尔特机器人系统有限公司 | Pneumatic four claw |
| CN201997736U (en) * | 2010-12-15 | 2011-10-05 | 贺自清 | Self-centering power chuck of swinging rod |
-
2010
- 2010-12-15 CN CN2010105883474A patent/CN102554299A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03121706A (en) * | 1989-10-03 | 1991-05-23 | Fuji Technica Inc | Coupling device for exchange chuck |
| US20090053979A1 (en) * | 2004-03-31 | 2009-02-26 | Eastland Medical Systems Ltd. | Jig |
| CN201115875Y (en) * | 2007-10-30 | 2008-09-17 | 国营红阳机械厂 | Large diameter fast positioning clamping chuck |
| CN101450389A (en) * | 2008-12-30 | 2009-06-10 | 厦门思尔特机器人系统有限公司 | Pneumatic four claw |
| CN201997736U (en) * | 2010-12-15 | 2011-10-05 | 贺自清 | Self-centering power chuck of swinging rod |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103786042A (en) * | 2012-10-31 | 2014-05-14 | 苏州久工自动化科技有限公司 | Three-jaw clamp holder |
| CN105479205A (en) * | 2015-12-29 | 2016-04-13 | 上海发那科机器人有限公司 | Long-stroke self-centering clamping device |
| CN105479271A (en) * | 2016-01-29 | 2016-04-13 | 电子科技大学 | Sphere center centring and positioning device for five-axis machine tool error synchronous detection mechanism |
| CN106964936A (en) * | 2017-03-13 | 2017-07-21 | 广东尚高科技有限公司 | A kind of basketry welding tooling |
| CN109132944A (en) * | 2018-07-11 | 2019-01-04 | 张亚欣 | A kind of machining flange pan arrest act device |
| CN110238419A (en) * | 2019-07-16 | 2019-09-17 | 潍坊威豹机械有限责任公司 | A kind of multi-work piece clamping self-centering chuck |
| CN110238419B (en) * | 2019-07-16 | 2024-02-27 | 潍坊威豹机械有限责任公司 | Multi-workpiece clamping self-centering chuck |
| CN113928542A (en) * | 2021-11-19 | 2022-01-14 | 中国直升机设计研究所 | Undercarriage bearing structure |
| CN113928542B (en) * | 2021-11-19 | 2023-09-01 | 中国直升机设计研究所 | Landing gear bearing structure |
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| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20120711 |