CN213470155U - Self-centering chuck - Google Patents
Self-centering chuck Download PDFInfo
- Publication number
- CN213470155U CN213470155U CN202021940029.5U CN202021940029U CN213470155U CN 213470155 U CN213470155 U CN 213470155U CN 202021940029 U CN202021940029 U CN 202021940029U CN 213470155 U CN213470155 U CN 213470155U
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- CN
- China
- Prior art keywords
- outer sleeve
- jack catch
- pivot
- self
- chuck
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Abstract
The utility model relates to a from deciding axle center chuck, including jack catch, inner skleeve, outer sleeve, take the cap to fix tip and pivot, the coaxial suit of inner skleeve is in the outer sleeve, a plurality of jack catches of the even interval installation of outer sleeve top surface circumference, the pivot of adorning is worn to the one end of jack catch, and the pivot is adorned admittedly on the outer sleeve, and the other end directional outer sleeve centre of a circle of jack catch is close to outer sleeve one end and is opened there is rectangular through-hole on the jack catch, takes the cap to fix the tip and passes rectangular through. The utility model discloses a rotate the inner skleeve, drive and take the cap fixed tip to rotate to thereby it revolves the rotation of rotation and presss from both sides tight work piece to drive the jack catch, easy operation can be applicable to the work piece centre gripping of various sizes.
Description
Technical Field
The utility model belongs to the machining anchor clamps field relates to a chuck, especially an automatic axle center chuck.
Background
When the pipe flange is welded, a large disc-shaped workpiece is clamped and then machined, the application range of the three-jaw chuck commonly used at present is small workpieces, the clamping requirement of the large disc-shaped workpiece cannot be met, and the operation is complex.
CN204294966U discloses a three-jaw chuck, including the three-jaw chuck body, the three-jaw chuck body is including the chuck seat, chuck seat middle part is provided with the through-hole, the outside of chuck seat is provided with chuck retaining ring, the top of chuck seat is provided with the jack catch, the jack catch is provided with more than one, each jack catch evenly distributed is on the chuck seat, the jack catch is including the jack catch body and chuck, the jack catch body passes through the round pin with the chuck and is detachable connection, the front end of each jack catch body all is provided with the one deck cushion, be provided with two spaced bolt seats of three jack catch on the chuck seat, be provided with the support column on each bolt seat.
The problem of this patent lies in can't carry out freely adjusting according to the size of processing the work piece, and application scope is little and can't process eccentric work piece.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art's weak point, provide a convenient operation, can be from deciding the axle center, can be according to the flexible adjustment of processing work piece size from deciding the axle center chuck.
The utility model provides a its technical problem take following technical scheme to realize:
the utility model provides a from fixed axle center chuck, includes jack catch, inner skleeve, outer sleeve, takes cap fixed tip and pivot, the coaxial suit of inner skleeve is in the outer sleeve, three or a plurality of jack catches of even interval installation of outer sleeve top surface circumference, the pivot is worn to adorn by the one end of jack catch, and the pivot is adorned admittedly on the outer sleeve, and the other end directional outer sleeve centre of a circle of jack catch is close to outer sleeve one end and is opened there is rectangular through-hole on the jack catch, takes cap fixed tip to pass rectangular through-hole and.
The inner wall of the outer sleeve is formed in a stepped shape, and the stepped portion of the outer sleeve supports the inner sleeve.
And a rotating rod is fixedly arranged on the top surface of the inner sleeve.
Moreover, the centripetal sides of the jaws are stepped.
And three threaded holes are uniformly formed in the side surface of the outer sleeve at intervals in the radial direction, and fixed bolts are in inner engagement connection with the threaded holes and abut against the inner sleeve.
The utility model has the advantages that:
1. the utility model provides a from deciding axle center chuck, with the one end of jack catch through the pivot dress at the outer sleeve top surface admittedly, the system has rectangular through-hole on the jack catch, wears to adorn in the rectangular through-hole and takes the cap to fix the tip, takes the cap to fix the tip and adorn on the inner skleeve surface admittedly, and the rotation through the inner skleeve drives and takes the cap to fix the tip and rotate, makes the jack catch revolute the rotation of axes to the realization radially cliies the.
2. The utility model provides a self-centering chuck, the radial even interval system of side of outer sleeve has the screw hole, and the internal gearing of screw hole connects fixing bolt, and fixing bolt withstands the inner skleeve, can fix the inner skleeve through screwing up fixing bolt; by screwing each adjusting bolt, the eccentricity can be adjusted.
Drawings
Fig. 1 is a front view of the structure of the present invention.
Fig. 2 is a top view of fig. 1.
Detailed Description
The present invention will be described in further detail with reference to the following embodiments, which are illustrative, not restrictive, and the scope of the invention should not be limited thereto.
The utility model provides a from dead axle center chuck, includes jack catch 4, inner skleeve 3, outer sleeve 1, takes cap fixing pin 5, fixing bolt 7 and pivot 6, the coaxial suit of inner skleeve is in the outer sleeve, and the inner wall of outer sleeve is made the echelonment, plays the effect of supporting the inner skleeve. The clamping jaw structure is characterized in that three or more clamping jaws are uniformly arranged on the top surface of the outer sleeve in the circumferential direction at intervals, a rotating shaft is arranged at one end of each clamping jaw in a penetrating mode, the rotating shaft is fixedly arranged on the outer sleeve, the other end of each rotating shaft points to the center of the outer sleeve, a strip-shaped through hole is formed in one end, close to the outer sleeve, of each clamping jaw, cap-provided fixing pins with the same number as the clamping jaws are fixedly arranged on the top surface of the inner sleeve in. A rotating rod 2 is fixedly arranged on the top surface of the inner sleeve.
The outer ring wall of the outer sleeve is provided with three threaded holes at uniform intervals in the radial direction, the threaded holes are in inner engagement connection with fixing bolts, the fixing bolts prop against the inner sleeve, and the purposes of fixing the inner sleeve and adjusting the axis can be achieved by screwing the fixing bolts.
The centripetal ends of the clamping jaws are made into a step shape, so that the function of supporting a workpiece to be processed can be achieved. Preferably, three jaws are mounted on the outer sleeve.
The utility model discloses a use method does:
and pulling a rotating rod on the inner sleeve, driving the fixing pin with the cap to move by the inner sleeve, clamping the workpiece by the clamping jaw, then screwing the fixing bolt, fixing the inner sleeve, and finally welding the workpiece.
Although the embodiments of the present invention and the accompanying drawings are disclosed for illustrative purposes, those skilled in the art will appreciate that: various substitutions, changes and modifications are possible without departing from the spirit and scope of the present invention and the appended claims, and therefore, the scope of the present invention is not limited to the disclosure of the embodiments and the accompanying drawings.
Claims (5)
1. The utility model provides a from dead axle center chuck, includes the jack catch, its characterized in that: including inner skleeve, outer sleeve, take cap fixed tip and pivot, the coaxial suit of inner skleeve is in the outer sleeve, a plurality of jack catchs are installed to the even interval of outer sleeve top surface circumference, the pivot is worn to adorn by the one end of jack catch, and the pivot is adorned admittedly on the outer sleeve, and the other end point to the outer sleeve centre of a circle of jack catch is close to outer sleeve one end and is opened there is rectangular through-hole on the jack catch, takes cap fixed tip to pass rectangular through-hole and.
2. The self-centering chuck as claimed in claim 1, wherein: the inner wall of the outer sleeve is made into a ladder shape.
3. The self-centering chuck as claimed in claim 1, wherein: a rotating rod is fixedly arranged on the top surface of the inner sleeve.
4. The self-centering chuck as claimed in claim 1, wherein: the centripetal ends of the clamping jaws are made into a ladder shape.
5. The self-centering chuck as claimed in claim 1, wherein: a plurality of threaded holes are uniformly formed in the outer annular wall of the outer sleeve at intervals in the radial direction, fixing bolts are connected in the threaded holes in an inner engagement mode, and the inner ends of the fixing bolts tightly support the inner sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021940029.5U CN213470155U (en) | 2020-09-08 | 2020-09-08 | Self-centering chuck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021940029.5U CN213470155U (en) | 2020-09-08 | 2020-09-08 | Self-centering chuck |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213470155U true CN213470155U (en) | 2021-06-18 |
Family
ID=76418553
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021940029.5U Active CN213470155U (en) | 2020-09-08 | 2020-09-08 | Self-centering chuck |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213470155U (en) |
-
2020
- 2020-09-08 CN CN202021940029.5U patent/CN213470155U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |