CN104325335B - Hydraulic bidirectional spindle chuck seat - Google Patents
Hydraulic bidirectional spindle chuck seat Download PDFInfo
- Publication number
- CN104325335B CN104325335B CN201410542226.4A CN201410542226A CN104325335B CN 104325335 B CN104325335 B CN 104325335B CN 201410542226 A CN201410542226 A CN 201410542226A CN 104325335 B CN104325335 B CN 104325335B
- Authority
- CN
- China
- Prior art keywords
- main shaft
- oil
- chuck
- conehead
- piston
- 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.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/12—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for securing to a spindle in general
Abstract
The invention discloses a hydraulic bidirectional spindle chuck seat. The hydraulic bidirectional spindle chuck seat comprises a spindle base, wherein an oil path ring is arranged in the spindle base, the oil path ring is rotatably connected with a cone-head spindle, the cone-head spindle is fixedly connected with a gear, a piston cylinder is arranged on the gear and the cone-head spindle, a chuck piston is arranged in the piston cylinder, the chuck piston is connected with the oil path ring through an oil path, the cone-head spindle is connected with an elastic chuck through a spline, and the elastic chuck is fixedly connected with the chuck piston. The hydraulic bidirectional spindle chuck seat has the beneficial effects that since the chuck piston which is connected with the elastic chuck is arranged, the elastic chuck can move relative to the cone-head spindle under the drive of the chuck piston, the goal of clamping and releasing a workpiece is achieved and the clamping efficiency is high; since the gear which is connected with the cone-head spindle is arranged and the cone-head spindle and the elastic chuck are connected through the spline, the elastic chuck can move relative to the cone-head spindle and can also rotate with the cone-head spindle.
Description
Technical field
The present invention relates to clamp art, it particularly relates to a kind of Null oil-pressure two-direction, main axle clamp seat.
Background technology
Main shaft chuck is used for clamping workpiece, is widely used on lathe, and its species is various, at present using it is most be elasticity
Chuck, collet is a kind of conical structure, multiple openings is provided with the generatrix direction of circular cone, by the way that collet is put
Put in conehead main shaft, and cause collet to can be achieved with stepping up to workpiece for collet relative to conehead main axle moving
With loosen, but in the market drive collet movement actuating unit complex structure, clamping efficiency it is low.
For the main shaft chuck in corresponding correlation technique, clamping efficiency is low, baroque problem, not yet proposes have at present
The solution of effect.
The content of the invention
For the main shaft chuck in corresponding correlation technique, clamping efficiency is low, baroque problem, and the present invention proposes a kind of
Null oil-pressure two-direction, main axle clamp seat, its clamping efficiency high, and simple structure, compact, small volume.
The technical scheme is that what is be achieved in that：
A kind of Null oil-pressure two-direction, main axle clamp seat, including main shaft pedestal, are provided with oil-in one and go out on the main shaft pedestal
Hydraulic fluid port one, is provided with oil circuit ring in the main shaft pedestal, the oil-in two and oil-out two on the oil circuit ring respectively with it is described
Oil-in one and oil-out one on main shaft pedestal is coaxial, and the oil circuit ring is rotatably connected to conehead main shaft, the conehead main shaft
Be fixedly connected with gear, the gear and the conehead main shaft on be provided with piston cylinder, folder is provided with the piston cylinder
Head piston, the chuck piston is connected with the oil circuit ring by oil circuit, and the conehead main shaft passes through the flexible folder of spline connection
Head, the collet is fixedly connected the chuck piston.
Further, the two ends of the oil circuit ring are provided with raceway one and ball, one end of the conehead main shaft
The bearing track two with the ball engagement is provided with, the other end of the conehead main shaft is provided with the axle with the ball engagement
Inner ring is held, the bearing inner race is axially fixed on the conehead main shaft by tapered end Internal thread flange.
Further, the chuck piston is connected together with the collet.
Further, it is provided with Youli glue strip on the end face on the outside of the collet.
Beneficial effects of the present invention：By arranging the chuck piston that is connected with collet so that collet can be
Relative to conehead main axle moving under the drive of chuck piston, and then the purpose for clamping workpiece and releasing workpiece is reached, clamp efficiency
It is high；By arranging the gear being connected with the conehead main shaft, and conehead main shaft and collet are arranged to by spline connection
Mode so that collet can relative to conehead main axle moving while, it is also possible to as conehead main shaft is rotated together.
Description of the drawings
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to institute in embodiment
The accompanying drawing that needs are used is briefly described, it should be apparent that, drawings in the following description are only some enforcements of the present invention
Example, for those of ordinary skill in the art, on the premise of not paying creative work, can be being obtained according to these accompanying drawings
Obtain other accompanying drawings.
Fig. 1 is one of structural representation of Null oil-pressure two-direction, main axle clamp seat according to embodiments of the present invention；
Fig. 2 is the two of the structural representation of Null oil-pressure two-direction, main axle clamp seat according to embodiments of the present invention.
In figure：
1st, main shaft pedestal；2nd, chuck piston；3rd, gear；4th, flange one；5th, oil circuit ring；6th, ball；7th, tapered end internal thread method
It is blue；8th, conehead main shaft；9th, collet；10th, flange two；11st, bearing inner race；12nd, Youli glue strip；13rd, fuel feed hole one；14th, go out
Hydraulic fluid port one；15th, oil-in two；16th, oil-out two.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than the embodiment of whole.It is based on
Embodiment in the present invention, the every other embodiment that those of ordinary skill in the art are obtained belongs to present invention protection
Scope.
As depicted in figs. 1 and 2, a kind of Null oil-pressure two-direction, main axle clamp seat in embodiments in accordance with the present invention, including main shaft base
Seat 1, is provided with oil-in 1 and oil-out 1, the main shaft pedestal 1 on the main shaft pedestal 1 and is provided with oil circuit ring 5,
Oil-in 2 15 and oil-out 2 16 on the oil circuit ring 5 respectively with the main shaft pedestal 1 on oil-in 1 and fuel-displaced
Mouth 1 is coaxial, and the oil circuit ring 5 is rotatably connected to conehead main shaft 8, and the conehead main shaft 8 is fixedly connected with gear 3, the tooth
Wheel 3 and the conehead main shaft 8 on be provided with piston cylinder, chuck piston 2, the chuck piston are provided with the piston cylinder
2 are connected with the oil circuit ring 5 by oil circuit, and the conehead main shaft 8 is by the flexible chuck 9 of spline connection, the collet 9
It is fixedly connected the chuck piston 2.
The two ends of the oil circuit ring 5 are provided with raceway one and ball 6, and one end of the conehead main shaft 8 is provided with
The bearing track two coordinated with the ball 6, the other end of the conehead main shaft 8 is provided with the bearing coordinated with the ball 6
Inner ring 11, the bearing inner race 11 is axially fixed on the conehead main shaft 8 by tapered end Internal thread flange 7.By by bearing
Track is set directly on oil circuit ring 5 and conehead main shaft 8, simplifies the structure of Null oil-pressure two-direction, main axle clamp seat so that Null oil-pressure
The volume of two-direction, main axle clamp seat diminishes.
In practical application, main shaft pedestal 1 is connected with flange 1, flange 2 10 by sealing ring, and its effect is by oil circuit ring
5 seal, and prevent dust from entering oil circuit ring；The chuck piston 2 is connected to the collet 9 by way of clamping
Together；Youli glue strip 12 is provided with the end face in the outside of the collet 9, when needing after Workpiece clamping by Youli glue strip 12
Elasticity play the effect of loose folder.
During concrete application, in putting the workpiece in collet 9, fluid enters oil circuit ring by oil-in, and promotes chuck
Piston 2 is moved in the upper piston cylinder of gear 3 and conehead main shaft 8, and chuck piston 2 drives the relative conehead main shaft 8 of collet 9
Mutually move left, workpiece is stepped up；Drive gear 3 is rotated, and gear 3 drives collet 9 to rotate by conehead main shaft 8, and then band
Start building part rotation.
In sum, by means of the above-mentioned technical proposal of the present invention, by arranging the chuck piston being connected with collet 9
2 so that collet 9 can be moved under the drive of chuck piston 2 relative to conehead main shaft 8, so reach clamping workpiece and
The purpose of workpiece is released, efficiency high is clamped；By arranging the gear 3 that be connected with the conehead main shaft 8, and by conehead main shaft 8 and
Collet 9 is arranged to by way of spline connection so that collet 9 can relative to conehead main shaft 8 movement it is same
When, it is also possible to as conehead main shaft 8 is rotated together.
Presently preferred embodiments of the present invention is the foregoing is only, not to limit the present invention, all essences in the present invention
Within god and principle, any modification, equivalent substitution and improvements made etc. should be included within the scope of the present invention.
Claims (3)
1. a kind of Null oil-pressure two-direction, main axle clamp seat, including main shaft pedestal（1）, it is characterised in that：The main shaft pedestal（1）Upper setting
There is oil-in one（13）With oil-out one（14）, the main shaft pedestal（1）Inside it is provided with oil circuit ring（5）, the oil circuit ring（5）On
Oil-in two（15）With oil-out two（16）Respectively with the main shaft pedestal（1）On oil-in one（13）With oil-out one
（14）Coaxially, the oil circuit ring（5）It is rotatably connected to conehead main shaft（8）, the conehead main shaft（8）It is fixedly connected with gear（3）,
The gear（3）With the conehead main shaft（8）On be provided with piston cylinder, chuck piston is provided with the piston cylinder（2）, institute
State chuck piston（2）With the oil circuit ring（5）Connected by oil circuit, the chuck piston（2）With collet（9）It is fixed to connect
Connect, the collet（9）By spline and the conehead main shaft（8）Connection, the oil circuit ring（5）Two ends be provided with axle
Hold raceway one and ball（6）, the conehead main shaft（8）One end be provided with and the ball（6）The bearing track two of cooperation, institute
State conehead main shaft（8）The other end be provided with and the ball（6）The bearing inner race of cooperation（11）, the bearing inner race（11）It is logical
Cross tapered end Internal thread flange（7）It is axially fixed in the conehead main shaft（8）On.
2. Null oil-pressure two-direction, main axle clamp seat according to claim 1, it is characterised in that：The chuck piston（2）With it is described
Collet（9）It is connected together.
3. the Null oil-pressure two-direction, main axle clamp seat according to any one of claim 1-2, it is characterised in that：The collet
（9）Youli glue strip is provided with the end face in outside（12）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410542226.4A CN104325335B (en) | 2014-10-14 | 2014-10-14 | Hydraulic bidirectional spindle chuck seat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410542226.4A CN104325335B (en) | 2014-10-14 | 2014-10-14 | Hydraulic bidirectional spindle chuck seat |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104325335A CN104325335A (en) | 2015-02-04 |
| CN104325335B true CN104325335B (en) | 2017-04-19 |
Family
ID=52400205
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410542226.4A Active CN104325335B (en) | 2014-10-14 | 2014-10-14 | Hydraulic bidirectional spindle chuck seat |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104325335B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110434651A (en) * | 2019-09-12 | 2019-11-12 | 浙江铭匠精工有限公司 | A kind of band brake apparatus of anti-rotation bending resistance |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2034624A (en) * | 1978-11-04 | 1980-06-11 | Roehm Guenter H | Hydraulically actuated hollow clamping cylinder for clamping devices on a rotating spindle |
| CN2334532Y (en) * | 1998-02-24 | 1999-08-25 | 江瑞昌 | Improved hydraulic (pneumatic) chuck |
| CN201931091U (en) * | 2011-05-23 | 2011-08-17 | 宁夏长兴精密机械有限公司 | Machine tool spindle box capable of clamping bidirectionally |
| CN202207912U (en) * | 2011-06-24 | 2012-05-02 | 奥科精机（深圳）有限公司 | Hydraulic bidirectional clamping spindle for numerical-control lathe |
| CN202684600U (en) * | 2012-08-21 | 2013-01-23 | 解道德 | Ultra-thin main shaft jig for bidirectional lathe |
| CN103990994A (en) * | 2014-05-04 | 2014-08-20 | 玉环县新跃机床有限公司 | Pressure cylinder structure for driving double-head collet in spindle |
| CN204195351U (en) * | 2014-10-14 | 2015-03-11 | 东莞市晋诚机械有限公司 | A kind of Null oil-pressure two-direction, main axle clamp seat |
-
2014
- 2014-10-14 CN CN201410542226.4A patent/CN104325335B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2034624A (en) * | 1978-11-04 | 1980-06-11 | Roehm Guenter H | Hydraulically actuated hollow clamping cylinder for clamping devices on a rotating spindle |
| CN2334532Y (en) * | 1998-02-24 | 1999-08-25 | 江瑞昌 | Improved hydraulic (pneumatic) chuck |
| CN201931091U (en) * | 2011-05-23 | 2011-08-17 | 宁夏长兴精密机械有限公司 | Machine tool spindle box capable of clamping bidirectionally |
| CN202207912U (en) * | 2011-06-24 | 2012-05-02 | 奥科精机（深圳）有限公司 | Hydraulic bidirectional clamping spindle for numerical-control lathe |
| CN202684600U (en) * | 2012-08-21 | 2013-01-23 | 解道德 | Ultra-thin main shaft jig for bidirectional lathe |
| CN103990994A (en) * | 2014-05-04 | 2014-08-20 | 玉环县新跃机床有限公司 | Pressure cylinder structure for driving double-head collet in spindle |
| CN204195351U (en) * | 2014-10-14 | 2015-03-11 | 东莞市晋诚机械有限公司 | A kind of Null oil-pressure two-direction, main axle clamp seat |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104325335A (en) | 2015-02-04 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Hydraulic bidirectional spindle chuck seat Effective date of registration: 20190530 Granted publication date: 20170419 Pledgee: China Co truction Bank Corp Dongguan branch Pledgor: Dongguan Chine Chern Mechanic Co., Ltd. Registration number: 2019440000193 |