CN203401092U - Positioning fixture of rotary body workpiece on numerical control turn-mill combination central machine tool - Google Patents
Positioning fixture of rotary body workpiece on numerical control turn-mill combination central machine tool Download PDFInfo
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- CN203401092U CN203401092U CN201320451727.2U CN201320451727U CN203401092U CN 203401092 U CN203401092 U CN 203401092U CN 201320451727 U CN201320451727 U CN 201320451727U CN 203401092 U CN203401092 U CN 203401092U
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- connecting plate
- positioning fixture
- end cap
- end cover
- annular
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Abstract
The utility model discloses a positioning fixture of a rotary body workpiece on a numerical control turn-mill combination central machine tool. The positioning fixture comprises an annular fixture body, wherein a transition plate is fixedly connected to one end of the annular fixture body, an end cover is installed at the other end of the annular fixture body, an annular positioning element is arranged on the end cover, an annular connecting plate is arranged in the annular fixture body, three clamping jaws are arranged on the annular connecting plate, and one end of the annular connecting plate is fixedly connected with a hydraulic pull rod. The three clamping jaws penetrate out of the end cover through three square holes in the end cover respectively, installation holes are formed in the end cover and correspond to the three clamping jaws, a ball pin is arranged in each installation hole, the ball head face of each ball pin abuts against the corresponding clamping jaw, the other head of each ball pin abuts against a spring, limiting screws are installed in positions, right opposite to the ball pins, of the end cover, and the limiting screws abut against the clamping jaws respectively. The positioning fixture is compact in structure, automatic clamping of the workpiece is achieved through hydraulic pressure, the three designed clamping jaws can be adjusted in the radial direction at the front end of the end cover, automatic clamping can be achieved on the numerical control turn-mill combination central machine tool, and the positioning fixture is convenient to use and adjust.
Description
Technical field
The utility model relates to jig field, is mainly the positioning fixture of a kind of numerical-control turn-milling complex centre lathe Rotary Workpiece last time, is applicable to the larger-diameter rotary work piece of clamping on the lathe of numerical-control turn-milling complex centre.
Background technology
In the face of parts numerical control processing such as the car hub of medium-to-high grade automobile manufacture industry, wheel rims, in order to shorten workpiece machining period, improve workpiece working (machining) efficiency and to guarantee workpiece crudy, the normal turn-milling complex machining center lathe that adopts in NC Machining Process, the jig clamping workpiece that needs design specialized, make workpiece clamped one time in special fixture complete the processing of the multiple operation such as turning, milling, drilling and boring, thereby minimizing clamping times, guarantees crudy.
Utility model content
Technical problem to be solved in the utility model is to provide the positioning fixture of a kind of numerical-control turn-milling complex centre lathe Rotary Workpiece last time, its compact conformation, by hydraulic pressure, realize the automated exchanged cutter of workpiece, three claws of design can radiai adjustment at end cap front end, can on the lathe of numerical-control turn-milling complex centre, realize Automatic-clamping, use easy to adjust.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is as follows:
The positioning fixture of a kind of numerical-control turn-milling complex centre lathe Rotary Workpiece last time, include marmon clamp concrete, the concrete one end of marmon clamp is fixedly connected with and is useful on the transition disc being connected and installed with machine tool chief axis, the concrete other end of marmon clamp is provided with end cap, the outer face of end cap is provided with circular orientation element, it is characterized in that: in described marmon clamp is concrete, be provided with annular connecting plate, on annular connecting plate, by connecting pin, three claws are installed, three claws are evenly arranged on annular connecting plate, one end of described annular connecting plate and one through transition disc extend into marmon clamp in concrete hydraulic pressure draw-bar be fixedly connected with, described end cap is provided with three square holes, three described claws pass outside end cap by three square holes respectively, in described end cap, corresponding three claws are respectively equipped with installing hole, in installing hole, be provided with ball stud, the spherical surface of described ball stud is against on claw, and the inherent ball stud of described installing hole top is provided with spring, and the other end of described ball stud is against on spring, the position that faces ball stud on described end cap is provided with stop screw, and described stop screw is against on claw.
The outer face of described transition disc is the taper seat with Morse's taper, for coordinating with machine tool chief axis front end Morse's cone hole face.
Described claw is hook-shape structure, and the front end of claw has certain tapering.
In the utility model, annular connecting plate is plate-like star structure, in the circumference orientation of connecting plate, with connecting pin, three claws is installed in decile three places respectively; Claw is hook-shape structure, in claw front end outside, has certain tapering, thereby guarantees that claw has the function of radial contraction when pulled, is convenient to Workpiece clamping reliable.
It is for determining the circumferential position of three claws that the utility model middle-end covers three square holes establishing; The spherical surface of ball stud is close to and is pushed against on claw, and limited location screw faces ball stud and is against on claw, the other end of ball stud pushes against a spring in addition, thereby the radial position of three claws controlled by three stop screws respectively, operator can be by regulating the position of three stop screws and then determining the radial position of three claws.
In the utility model, on the outer face of end cap, there is unthreaded hole and the screwed hole of the some deciles that differ in size, for dissimilar setting element is installed, to the workpiece of similar type is positioned to installation, expand the range of application of fixture.
Concentric with respect to the machine tool chief axis centre of gyration in fixture in order to guarantee setting element, end cap and marmon clamp be concrete to be installed and that marmon clamp is concrete is fastening with some attachment screws again after should adopting some taper bolts to locate while installing with transition disc.
The hydraulic pressure draw-bar being connected with annular connecting plate in the utility model can replace with pneumatic pull rod.The utility model can accurately be located and Automatic-clamping, expands the multistage manufacturing processes requirement of modern numerical-control turn-milling complex centre lathe to parts such as the automobile rim of batch production, wheel hubs.
The utility model has the advantages that:
The utility model is a kind of numerical-control turn-milling complex centre jig designing for type revolving body workpieces such as the automotive hub of batch production, wheel rims, by hydraulic pressure or the pneumatic automated exchanged cutter of realizing workpiece; Three claws of design can radiai adjustment at end cap front end; The utility model compact conformation can be realized Automatic-clamping on the lathe of numerical-control turn-milling complex centre.
Accompanying drawing explanation
Fig. 1 is the utility model structural representation.
Fig. 2 is cutaway view of the present utility model.
The specific embodiment
Referring to Fig. 1, the positioning fixture of a kind of numerical-control turn-milling complex centre lathe Rotary Workpiece last time, include marmon clamp concrete 1, concrete 1 one end of marmon clamp is fixedly connected with and is useful on the transition disc 2 being connected and installed with machine tool chief axis, concrete 1 other end of marmon clamp is provided with end cap 3, the outer face of end cap 3 is provided with circular orientation element 4, in described marmon clamp concrete 1, be provided with annular connecting plate 5, on annular connecting plate 5, by connecting pin 6, three claws 7 are installed, three claws 7 are evenly arranged on annular connecting plate 5, one end of described annular connecting plate 5 and one through transition disc extend into marmon clamp in concrete hydraulic pressure draw-bar 8 be fixedly connected with, described end cap 3 is provided with three square holes, three described claws 7 pass outside end cap by three square holes respectively, interior corresponding three claws 7 of described end cap 3 are respectively equipped with installing hole, in installing hole, be provided with ball stud 9, the spherical surface of described ball stud 9 is against on claw 7, the inherent ball stud of described installing hole 9 tops are provided with spring 10, the other end of described ball stud 9 is against on spring 10, the position that faces ball stud 9 on described end cap 3 is provided with stop screw 11, and described stop screw 11 is against on claw 7.
The outer face of described transition disc 2 is the taper seats with Morse's taper, for coordinating with machine tool chief axis front end Morse's cone hole face.
Described claw 7 is hook-shape structure, and the front end of claw has certain tapering.
During operation, rotary work piece is positioned and is arranged on the circular orientation element 4 on end cap outer face, and described setting element 4 can be changed according to the difference of workpiece location, and rotary work piece is by three claws 7, after hydraulic pressure draw-bar 8 pulls, to realize clamping.
Claims (3)
1. the positioning fixture of numerical-control turn-milling complex centre lathe Rotary Workpiece last time, include marmon clamp concrete, the concrete one end of marmon clamp is fixedly connected with and is useful on the transition disc being connected and installed with machine tool chief axis, the concrete other end of marmon clamp is provided with end cap, the outer face of end cap is provided with circular orientation element, it is characterized in that: in described marmon clamp is concrete, be provided with annular connecting plate, on annular connecting plate, by connecting pin, three claws are installed, three claws are evenly arranged on annular connecting plate, one end of described annular connecting plate and one through transition disc extend into marmon clamp in concrete hydraulic pressure draw-bar be fixedly connected with, described end cap is provided with three square holes, three described claws pass outside end cap by three square holes respectively, in described end cap, corresponding three claws are respectively equipped with installing hole, in installing hole, be provided with ball stud, the spherical surface of described ball stud is against on claw, and the inherent ball stud of described installing hole top is provided with spring, and the other end of described ball stud is against on spring, the position that faces ball stud on described end cap is provided with stop screw, and described stop screw is against on claw.
2. the positioning fixture of a kind of numerical-control turn-milling according to claim 1 complex centre lathe Rotary Workpiece last time, is characterized in that: the outer face of described transition disc is the taper seat with Morse's taper, for coordinating with machine tool chief axis front end Morse's cone hole face.
3. the positioning fixture of a kind of numerical-control turn-milling according to claim 1 complex centre lathe Rotary Workpiece last time, is characterized in that: described claw is hook-shape structure, and the front end of claw has certain tapering.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320451727.2U CN203401092U (en) | 2013-07-27 | 2013-07-27 | Positioning fixture of rotary body workpiece on numerical control turn-mill combination central machine tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320451727.2U CN203401092U (en) | 2013-07-27 | 2013-07-27 | Positioning fixture of rotary body workpiece on numerical control turn-mill combination central machine tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203401092U true CN203401092U (en) | 2014-01-22 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320451727.2U Expired - Fee Related CN203401092U (en) | 2013-07-27 | 2013-07-27 | Positioning fixture of rotary body workpiece on numerical control turn-mill combination central machine tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203401092U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104128812A (en) * | 2014-07-28 | 2014-11-05 | 安徽力成机械装备有限公司 | Clamp special for camshafts |
| CN110814373A (en) * | 2019-11-12 | 2020-02-21 | 中航飞机起落架有限责任公司 | Self-adaptive clamp |
-
2013
- 2013-07-27 CN CN201320451727.2U patent/CN203401092U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104128812A (en) * | 2014-07-28 | 2014-11-05 | 安徽力成机械装备有限公司 | Clamp special for camshafts |
| CN110814373A (en) * | 2019-11-12 | 2020-02-21 | 中航飞机起落架有限责任公司 | Self-adaptive clamp |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140122 Termination date: 20140727 |
|
| EXPY | Termination of patent right or utility model |