CN202291463U - Three-jaw chuck - Google Patents
Three-jaw chuck Download PDFInfo
- Publication number
- CN202291463U CN202291463U CN2011203240742U CN201120324074U CN202291463U CN 202291463 U CN202291463 U CN 202291463U CN 2011203240742 U CN2011203240742 U CN 2011203240742U CN 201120324074 U CN201120324074 U CN 201120324074U CN 202291463 U CN202291463 U CN 202291463U
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- China
- Prior art keywords
- datum plate
- workpiece
- scroll chuck
- chuck body
- center
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Abstract
The utility model discloses a three-jaw chuck which comprises a chuck body and clamping jaws. A reference plate is arranged on the end surface of the chuck body and provided with bayonets matched with the clamping jaws, and the thickness of the reference plate is less than the outwardly-extending distance of each clamping jaw in the axial direction of the chuck body. The three-jaw chuck has the advantages that the reference plate is provided with a reference surface, so that the center of a columned workpiece or a cylindrical workpiece and the center of a rotating shaft of a lathe are positioned on a same line; the problem that the columned workpiece or the cylindrical workpiece is required to be referenced when being clamped at each time is solved, so that the processing efficiency of the columned workpiece or the cylindrical workpiece is greatly improved; and meanwhile, the reference plate has a simple structure, is lower in production cost and is low cost, and is easy for large-scale popularization and application.
Description
Technical field
The utility model relates to lathe aid field, particularly a kind of scroll chuck.
Background technology
In manufacturing industry, often need to use lathe to come processing column shape workpiece or cylindrical workpiece, come clamp cylinders shape workpiece or cylindrical workpiece to process through scroll chuck, scroll chuck of the prior art comprises chuck body and claw.When processing less cylindric workpiece of some length or cylindrical workpiece; The center of meeting cylindric workpiece of appearance or cylindrical workpiece and the center of lathe turning cylinder be the situation on a line not; Cause occurring eccentricity issues; Need after adjusting, just can process, and when many workpiece of processing, need carry out clamping several times and look for benchmark could accomplish processing.
Publication number is that the one Chinese patent application of CN 101927359A discloses a kind of scroll chuck; Comprise the scroll chuck body; On three umbrella teeth of scroll chuck body, be respectively equipped with the screens structure; Said to be located at three screens structures on the umbrella tooth respectively corresponding with the profile of the appropriate section of workpiece to be machined, and after workpiece to be machined was clamped in the screens structure, the axle center of workpiece to be machined was corresponding with the axle center of scroll chuck body.After adopting this scroll chuck, in the workpiece process, resetting property is good, has solved the difficult problem of bore deformation effectively.But this scroll chuck body construction is complicated, and needs to be fixedly connected or removably connect the screens structure is connected with umbrella tooth separately, be directed to different workpieces and change different screens structures, and the use inconvenience, applicability is relatively poor, exists technical problem.
The patent No. is that the Chinese patent of ZL 201020643979.1 discloses a kind of scroll chuck; Comprise the dish seat; There is through hole at dish seat center, and the dish seat is gone up by three claws are arranged, and the claw front end all is suspended in face place, through hole hole; The claw front end is the arc end of indent, has solved to add the problem that the easy leading screw precision of sliding, processing of leading screw in man-hour (being cylindric workpiece) reduces.But this technical scheme fails to provide the benchmark of workpiece processing, still can not solve the problem of the misalignment of cylindric workpiece or cylindrical workpiece center and lathe turning cylinder.
Summary of the invention
The utility model provides a kind of scroll chuck, and the center of center and lathe turning cylinder that can make cylindric workpiece or cylindrical workpiece is on a line, and is simple in structure, easy to use.
A kind of scroll chuck comprises chuck body and claw, and the end face of described chuck body is provided with datum plate, and described datum plate is provided with the bayonet socket that matches with claw, and the thickness of described datum plate is less than the axial outwardly directed distance of claw along chuck body.
The purpose that datum plate is set is exactly: when scroll chuck needs clamp cylinders shape workpiece or cylindrical workpiece; Datum plate just can provide a datum level; Usually; Datum level is the plane, and promptly the two sides of datum plate is the plane all, makes the center of center and lathe turning cylinder of cylindric workpiece or cylindrical workpiece on a line.
Bayonet socket on the datum plate matches with claw; Make claw can snap in the bayonet socket on the datum plate, three claws are arranged, after three claws snap in three bayonet sockets that datum plate is provided with like scroll chuck; Datum plate is with regard to basic fixed, thereby makes datum plate be installed on the end face of chuck body.
In order to obtain the better technique effect of the utility model, below as the preferred structure of the utility model:
Because the end face of chuck body is circular, datum plate is again the end face that is installed in chuck body through the bayonet socket of claw card people datum plate, and for easy for installation, described datum plate is a circular slab.Because in reality, claw is generally all fixed along the axial outwardly directed distance of chuck body, datum plate can not be too thick, otherwise claw can't clamp processing work, and the thickness of described datum plate is 10mm～30mm.
Bayonet socket can make datum plate be installed in the end face of chuck body on the one hand, on the other hand, lets the pawl card along the bayonet socket direction processing work clamped.Described bayonet socket extends near the datum plate center from the outer rim of datum plate.Bayonet socket is the closer to the datum plate center, and the distance that the pawl card gos deep into bayonet socket is just big, just can process diameter smaller cylindric workpiece or cylindrical workpiece.But bayonet socket is the closer to the datum plate center, and datum plate just insecure more guaranteeing that more preferably, described bayonet socket extends to the position from datum plate center 5mm～20mm under the firm prerequisite.
Described datum plate is provided with groove with bayonet, and the bottom surface of described groove is the plane.The purpose of groove is set, and is to let claw along the axial clamping of the chuck body more cylindric workpiece or the cylindrical workpiece of multiple-length, and it is more firm to make that claw clamps ground.In order to make the utility model scroll chuck can be suitable for cylindric workpiece or the cylindrical workpiece in the larger diameter scope, described groove further is preferably cylinder groove.Since claw move radially distance and along chuck body move axially the distance all restriction is arranged, further preferred, the diameter of described cylinder groove is 80mm～120mm, the degree of depth of described cylinder groove is 15mm～25mm.
The installation of the processing of datum plate and datum plate for ease, the center of described datum plate is provided with centre bore.
Compared with prior art, the utlity model has following advantage:
Datum plate in the utility model provides a datum level; Make the center of center and lathe turning cylinder of cylindric workpiece or cylindrical workpiece on a line; Solve each in the past cylindric workpiece of clamping or cylindrical workpiece and all need look for benchmark, improved the working (machining) efficiency of cylindric workpiece or cylindrical workpiece greatly.
The utility model matches with claw through bayonet socket datum plate is installed on the end face of chuck body, has advantages such as easy for installation, easy to use, and datum plate is simple in structure simultaneously, and production cost is lower, and is cheap, is easy to large-scale promotion application.
Description of drawings
Fig. 1 is the structural representation of the scroll chuck of the utility model;
Fig. 2 is the structural representation of the datum plate of the utility model;
Fig. 3 is that the A of datum plate among Fig. 2 is to view;
Fig. 4 is the perspective view of the datum plate of the utility model;
Fig. 5 is the user mode decomposition texture sketch map of the scroll chuck of the utility model.
The specific embodiment
As shown in Figure 1, be the scroll chuck of the utility model, comprise chuck body 1, three claws 2 and datum plates 3, datum plate 3 is provided with the bayonet socket 4 that matches with claw 2, and the thickness of datum plate 3 is less than the axial outwardly directed distance of claw 2 along chuck body 1.Scroll chuck need be arranged on datum plate 3 endface position of chuck body 1 in use, for processing work provides a datum level.Because datum plate 3 is the end faces that are installed in chuck body 1 through the mode that the bayonet socket on the datum plate 34 matches with claw 2, when the utility model scroll chuck is not worked, can datum plate 3 be taken off.
Like Fig. 2, Fig. 3, shown in Figure 4, be the datum plate 3 of the utility model, datum plate 3 is in order to provide datum level; Datum plate can be preferably circular slab, and other shapes certainly are also passable like ellipse, irregularly shaped plate; As long as datum level can be provided, but circular slab is best.Because the utility model is that existing scroll chuck is improved; Claw 2 in the general existing scroll chuck all is a certain limitation along the axial outwardly directed distance of chuck body 1; The thickness of datum plate 3 is less than this apart from clamping processing work; Therefore, the thickness of datum plate 3 can further be chosen as 10mm～30mm.Bayonet socket 4 extends near datum plate 3 centers from the outer rim of datum plate 3, and further preferred, bayonet socket 4 extends to the position from datum plate 3 center 5mm～20mm.
The center of datum plate 3 is provided with centre bore 6, centre bore 6 the processing that makes things convenient for datum plate 3 is set, simultaneously, datum plate 3 since the existence of centre bore 6 conveniently be installed on the end face of chuck body 1.
The operation principle of the utility model is explained as follows:
As shown in Figure 5, with datum plate 3 along chuck body 1 axially snap in the claw 2 that radial direction is provided with, through cooperating between the bayonet socket 4 that is provided with on the datum plate 3 and the claw 2 datum plate 3 being installed on the end face of chuck body 1.When datum plate 3 has groove 5 one side dorsad during the end face of chuck body 1; Be fit to the processing diameter smaller or equal to cylindric workpiece of 100mm or cylindrical workpiece workpiece 7; The bottom surface of cylindric workpiece or cylindrical workpiece workpiece 7 one ends and groove 5 is contacted; Re-use claw 2 cylindric workpiece or cylindrical workpiece 7 are clamped, just can carry out process operation.When datum plate 3 has groove 5 one side towards the end face of chuck body 1; Be fit to the processing diameter greater than cylindric workpiece of 100mm or cylindrical workpiece 7; The plane that utilizes datum plate 3 is as datum level; With the plane of an end applying datum plate 3 of cylindric workpiece or cylindrical workpiece 7, re-use claw 2 cylindric workpiece or cylindrical workpiece 7 are clamped, just can carry out process operation.
Claims (10)
1. scroll chuck; Comprise chuck body and claw, it is characterized in that the end face of described chuck body is provided with datum plate; Described datum plate is provided with the bayonet socket that matches with claw, and the thickness of described datum plate is less than the axial outwardly directed distance of claw along chuck body.
2. scroll chuck according to claim 1 is characterized in that, described datum plate is a circular slab.
3. scroll chuck according to claim 1 is characterized in that, the thickness of described datum plate is 10mm～30mm.
4. scroll chuck according to claim 1 is characterized in that, described bayonet socket extends near the datum plate center from the outer rim of datum plate.
5. scroll chuck according to claim 4 is characterized in that described bayonet socket extends to the position from datum plate center 5mm～20mm.
6. scroll chuck according to claim 1 is characterized in that described datum plate is provided with groove with bayonet, and the bottom surface of described groove is the plane.
7. scroll chuck according to claim 6 is characterized in that, described groove is a cylinder groove.
8. scroll chuck according to claim 7 is characterized in that, the diameter of described cylinder groove is 80mm～120mm.
9. scroll chuck according to claim 7 is characterized in that, the degree of depth of described cylinder groove is 15mm～25mm.
10. scroll chuck according to claim 1 is characterized in that the center of described datum plate is provided with centre bore.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203240742U CN202291463U (en) | 2011-08-31 | 2011-08-31 | Three-jaw chuck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203240742U CN202291463U (en) | 2011-08-31 | 2011-08-31 | Three-jaw chuck |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202291463U true CN202291463U (en) | 2012-07-04 |
Family
ID=46360443
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203240742U Expired - Fee Related CN202291463U (en) | 2011-08-31 | 2011-08-31 | Three-jaw chuck |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202291463U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104084613A (en) * | 2014-04-24 | 2014-10-08 | 浙江吉利控股集团有限公司 | Chuck self-locking control device |
| CN105252290A (en) * | 2015-11-03 | 2016-01-20 | 平高集团有限公司 | Tool for machining inner surface of nozzle for high-voltage circuit breaker |
| CN113059204A (en) * | 2021-03-30 | 2021-07-02 | 中国兵器装备集团自动化研究所有限公司 | Soft bar clamping tool and clamping system |
| CN113909512A (en) * | 2021-10-08 | 2022-01-11 | 重庆跃进机械厂有限公司 | Lubricating oil pump body positioning clamp and machining method of lubricating oil pump body |
-
2011
- 2011-08-31 CN CN2011203240742U patent/CN202291463U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104084613A (en) * | 2014-04-24 | 2014-10-08 | 浙江吉利控股集团有限公司 | Chuck self-locking control device |
| CN104084613B (en) * | 2014-04-24 | 2016-12-07 | 浙江吉利罗佑发动机有限公司 | A kind of chuck self-locking controls device |
| CN105252290A (en) * | 2015-11-03 | 2016-01-20 | 平高集团有限公司 | Tool for machining inner surface of nozzle for high-voltage circuit breaker |
| CN113059204A (en) * | 2021-03-30 | 2021-07-02 | 中国兵器装备集团自动化研究所有限公司 | Soft bar clamping tool and clamping system |
| CN113909512A (en) * | 2021-10-08 | 2022-01-11 | 重庆跃进机械厂有限公司 | Lubricating oil pump body positioning clamp and machining method of lubricating oil pump body |
| CN113909512B (en) * | 2021-10-08 | 2024-02-27 | 重庆跃进机械厂有限公司 | Lubricating oil pump body positioning clamp and lubricating oil pump body processing method |
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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: 20120704 Termination date: 20140831 |
|
| EXPY | Termination of patent right or utility model |