CN214290904U - Six-claw centering floating rear-pulling chuck - Google Patents
Six-claw centering floating rear-pulling chuck Download PDFInfo
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- CN214290904U CN214290904U CN202120321021.9U CN202120321021U CN214290904U CN 214290904 U CN214290904 U CN 214290904U CN 202120321021 U CN202120321021 U CN 202120321021U CN 214290904 U CN214290904 U CN 214290904U
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- floating
- pull rod
- chuck
- centering
- floats
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Abstract
The utility model discloses a six claw centering backhitch chuck that floats, it relates to the chuck field, the other end of chuck body is provided with the gas distribution dish, the chuck body is provided with the connecting rod with the middle part of being connected the base, the one end and the pull rod of connecting rod are connected, be connected with the roller that floats on the connecting rod, the roller that floats is connected with the spacer that floats, the connection pad that floats is connected on the spacer that floats, the both ends of connection pad are connected with the oblique pull rod of unsteady oblique pull rod and centering oblique pull rod respectively, the oblique pull rod of unsteady pull rod and centering is connected with fixed clamping jaw, be fixed with the work piece on the fixed clamping jaw. The chuck adopts an inclined rear-pulling six-jaw structure, the six-jaw clamping force is uniform, the six-jaw clamping force is driven by a single-piston oil cylinder, the hydraulic control is simple, the cost is low, two sets of mutually-related transmission mechanisms are designed in the chuck, one set of transmission mechanisms controls three centering jaws, the other set of transmission mechanisms controls three floating jaws, a workpiece is clamped, a rear-pulling trend is generated on the workpiece, and the workpiece is ensured to be tightly attached to an axial positioning surface.
Description
Technical Field
The utility model relates to a six claw centering backhitch chucks that float belongs to chuck technical field.
Background
The existing chuck causes the separation of a workpiece and a positioning surface due to the clearance between the chuck body and the clamping jaw when the workpiece is machined, so that the machining precision is reduced, most of conventional chucks are three-jaw and four-jaw mechanisms, the clamping points of the workpiece are few, the influence on the machining of thin-wall parts is large, and deformation and vibration are easy to generate.
Disclosure of Invention
To the above problem, the to-be-solved technical problem of the utility model is to provide a six-jaw centering back-pull chuck that floats, when solving the tight work piece of conventional three-jaw chuck clamp, the point of application of force causes the work piece deflection too big less, makes the machining precision reduce, reduces the influence of vibrations to the work piece precision during thin wall spare adds man-hour simultaneously.
The utility model discloses a six claw centering backhitch chuck that floats, it contains the chuck body, connect the base, the gas distribution dish, the connecting rod, the pull rod, the roller that floats, the spacer that floats, the connection pad floats, the oblique pull rod that floats, centering draw bar to one side, fixed clamping jaw, the one end of chuck body is provided with the connection base, the other end of chuck body is provided with the gas distribution dish, the chuck body is provided with the connecting rod with the middle part of being connected the base, the one end and the pull rod of connecting rod are connected, be connected with the roller that floats on the connecting rod, the roller that floats is connected with the spacer that floats, be connected with the connection pad that floats on the spacer that floats, the both ends of the connection pad that floats are connected with the oblique pull rod that floats and centering draw bar to one side respectively, the oblique pull rod that floats and centering are connected with fixed clamping jaw, be fixed with the work piece on the fixed clamping jaw.
Preferably, the pull rod is sleeved with a ring sleeve, and the ring sleeve is connected with an oil distribution pipe.
Preferably, the fixed clamping jaws 11 are arranged in a 360-degree annular distribution, and three centering clamping jaws and three floating clamping jaws are arranged in the fixed clamping jaws.
The utility model has the advantages that: the novel clamping chuck is reasonable in structural design, simple to operate and convenient to use, by adopting an inclined backward-pulling six-jaw structure, the six-jaw clamping force is uniform and is driven by a single-piston oil cylinder, hydraulic control is simple, cost is low, two sets of mutually-associated transmission mechanisms are designed in the chuck, one set of transmission mechanisms controls three centering jaws, the other set of transmission mechanisms controls three distributed floating jaws, a clamping workpiece generates a backward-pulling trend to the workpiece at the same time, the workpiece is ensured to be tightly attached to an axial positioning surface, a mechanical lever balance mechanism and a jaw floating mechanism are arranged in the chuck, reliability is high, the six jaws are in contact with the workpiece, deformation of the workpiece is small, a backward-pulling function is realized, positioning precision of the workpiece is high, the structure is compact, unbalance amount is low, the novel clamping chuck is suitable for high-speed machining, centrifugal force loss of the jaws is small during high-speed rotation, and dynamic clamping force is stable.
Description of the drawings:
for ease of illustration, the invention is described in detail by the following detailed description and accompanying drawings.
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a sectional view taken along line a-a of fig. 1.
1-a chuck body; 2-connecting the base; 3-a gas distribution plate; 4-a connecting rod; 5-a pull rod; 6-floating rollers; 7-floating spacer bush; 8-floating connection disc; 9-floating diagonal draw bars; 10-centering diagonal draw bars; 11-a fixed jaw; 12-a workpiece; 13-ring sleeve; and 14-oil distribution pipe.
The specific implementation mode is as follows:
as shown in fig. 1 and fig. 2, the following technical solutions are adopted in the present embodiment: it contains chuck body 1, connect base 2, the air distribution plate 3, connecting rod 4, pull rod 5, unsteady roller 6, unsteady spacer 7, unsteady connection pad 8, unsteady oblique pull rod 9, centering oblique pull rod 10, fixed clamping jaw 11, the one end of chuck body 1 is provided with connects base 2, the other end of chuck body 1 is provided with air distribution plate 3, chuck body 1 is provided with connecting rod 4 with the middle part of connecting base 2, the one end and the pull rod 5 of connecting rod 4 are connected, be connected with unsteady roller 6 on the connecting rod 4, unsteady roller 6 is connected with unsteady spacer 7, be connected with unsteady connection pad 8 on the unsteady spacer 7, the both ends of unsteady connection pad 8 are connected with unsteady oblique pull rod 9 and centering oblique pull rod 10 respectively, unsteady oblique pull rod 9 and centering oblique pull rod 10 are connected with fixed clamping jaw 11, be fixed with work piece 12 on the fixed clamping jaw 11.
Wherein, the pull rod 5 is sleeved with a ring sleeve 13, and the ring sleeve 13 is connected with an oil distribution pipe 14; the fixed clamping jaw 11 is annularly distributed in 360 degrees, and is provided with three centering clamping jaws and three floating clamping jaws.
In the specific embodiment, the pull rod 5 is driven by the oil cylinder, the pull rod 5 drives the connecting rod 4 to move, so that the clamping action of the three centering clamping jaws is realized, the connecting rod 4 is continuously pulled to move downwards, the connecting rod 4 drives the floating roller 6, and the floating roller 6 is connected with the floating spacer 7, so that the clamping action of the three floating clamping jaws is realized.
The automatic clamping device is reasonable in structural design, simple to operate and convenient to use, by adopting an inclined backward-pulling six-jaw structure, the six-jaw clamping force is uniform and is driven by a single-piston oil cylinder, hydraulic control is simple, cost is low, two sets of transmission mechanisms which are mutually related are designed in a chuck, one set of transmission mechanisms controls three centering jaws, the other set of transmission mechanisms controls three floating jaws, a clamping workpiece generates a backward-pulling trend to the workpiece at the same time, the workpiece is ensured to be tightly attached to an axial positioning surface, a mechanical lever balance mechanism and a jaw floating mechanism are arranged in the chuck, reliability is high, the six jaws are in contact with the workpiece, deformation of the workpiece is small, a backward-pulling function is realized, positioning precision of the workpiece is high, the structure is compact, unbalance amount is low, the automatic clamping device is suitable for high-speed machining, centrifugal loss of the jaws is small during high-speed rotation, and dynamic clamping force is stable.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (3)
1. The utility model provides a six claw centering float backhitch chuck which characterized in that: the gas distribution chuck comprises a chuck body (1), a connecting base (2), a gas distribution disc (3), a connecting rod (4), a pull rod (5), a floating roller (6), a floating spacer bush (7), a floating connecting disc (8), a floating diagonal pull rod (9), a centering diagonal pull rod (10) and a fixed clamping jaw (11), wherein the connecting base (2) is arranged at one end of the chuck body (1), the gas distribution disc (3) is arranged at the other end of the chuck body (1), the connecting rod (4) is arranged in the middle of the chuck body (1) and the connecting base (2), one end of the connecting rod (4) is connected with the pull rod (5), the floating roller (6) is connected onto the connecting rod (4), the floating roller (6) is connected with the floating spacer bush (7), the floating connecting disc (8) is connected onto the floating spacer bush (7), two ends of the floating connecting disc (8) are respectively connected with the floating diagonal pull rod (9) and the centering diagonal pull rod (10), the floating diagonal draw bar (9) and the centering diagonal draw bar (10) are connected with the fixed clamping jaw (11), and a workpiece (12) is fixed on the fixed clamping jaw (11).
2. A six-jaw centering floating pullback chuck as claimed in claim 1, wherein: the pull rod (5) is sleeved with a ring sleeve (13), and the ring sleeve (13) is connected with an oil distribution pipe (14).
3. A six-jaw centering floating pullback chuck as claimed in claim 1, wherein: the fixed clamping jaws (11) are annularly distributed at 360 degrees, and three centering clamping jaws and three floating clamping jaws are arranged in the fixed clamping jaws.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120321021.9U CN214290904U (en) | 2021-02-04 | 2021-02-04 | Six-claw centering floating rear-pulling chuck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120321021.9U CN214290904U (en) | 2021-02-04 | 2021-02-04 | Six-claw centering floating rear-pulling chuck |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214290904U true CN214290904U (en) | 2021-09-28 |
Family
ID=77833170
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120321021.9U Active CN214290904U (en) | 2021-02-04 | 2021-02-04 | Six-claw centering floating rear-pulling chuck |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214290904U (en) |
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2021
- 2021-02-04 CN CN202120321021.9U patent/CN214290904U/en active Active
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