CN212350413U - Multi-jaw chuck with detachable jaw member - Google Patents
Multi-jaw chuck with detachable jaw member Download PDFInfo
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- CN212350413U CN212350413U CN202020913049.7U CN202020913049U CN212350413U CN 212350413 U CN212350413 U CN 212350413U CN 202020913049 U CN202020913049 U CN 202020913049U CN 212350413 U CN212350413 U CN 212350413U
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- jaw
- chuck
- detachable
- seat
- screw
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Abstract
The utility model provides a multi-jaw chuck of jaw part can be dismantled in area. It has solved current technical problem. This multi-jaw chuck of jaw part can be dismantled in area, including the chuck seat, the chuck seat on be equipped with a plurality of jaw seats of interval arrangement in the circumference direction, the jaw seat on can dismantle the fixedly connected with jaw body, just the jaw body make by plastics, jaw seat and sharp driver link to each other and can be along the radial reciprocating motion of chuck seat. The utility model discloses it can dismantle to have the jack catch. Not easy to clamp the workpiece, etc.
Description
Technical Field
The utility model belongs to the technical field of machinery, especially, relate to a multi-jaw chuck of jaw part can be dismantled in area.
Background
The chuck is a mechanical device used for clamping a workpiece on a machine tool, and is a machine tool accessory for clamping and positioning the workpiece by utilizing the radial movement of movable clamping jaws uniformly distributed on a chuck body. However, the jaws of the existing air chucks are mostly made of metal materials, so that when the existing air chucks are used for clamping workpieces with clamping force requirements not particularly large, the workpieces are easy to be damaged, and the jaws are not detachable, so that the existing air chucks are difficult to be suitable for clamping workpieces with different shapes.
In response to this problem, research and study have been conducted in long-term production and living practices, and for example, chinese utility model patent discloses a lathe pneumatic chuck [ application No.: 201410252418.1], the invention comprises a first fixed disk and a second fixed disk, wherein the first fixed disk and the second fixed disk are fixedly connected by a plurality of connecting pieces and are parallel to each other, and the second fixed disk is fixedly connected with a cylinder; the first fixed disc is provided with a positioning device for positioning a workpiece and a guide device for guiding the ejector rod; the positioning device can enable the center of the processed hole on the workpiece to coincide with the rotation center of the lathe spindle; a primary and secondary groove is arranged between the guide device and the ejector rod, so that the ejector rod can linearly reciprocate along the guide device, and the loosening and clamping of workpieces are realized; the end part of the ejector rod is hinged with one end of the cross rod, the other end of the cross rod is hinged with the ejector rod of the air cylinder, and the cross rod is hinged with the first fixed disc through a bolt.
The solution described above improves to some extent some of the problems of the prior art, but it also has at least the following drawbacks: the clamping jaw is not detachable and made of metal materials, and is easy to clamp and damage workpieces.
Disclosure of Invention
The utility model aims at the above-mentioned problem, provide a jack catch can dismantle. A multi-jaw chuck with a detachable jaw member that is less likely to cause workpiece clamping damage.
In order to achieve the above purpose, the utility model adopts the following technical proposal: this multi-jaw chuck of jaw part can be dismantled in area, including the chuck seat, the chuck seat on be equipped with a plurality of jaw seats of interval arrangement in the circumference direction, the jaw seat on can dismantle the fixedly connected with jaw body, just the jaw body make by plastics, jaw seat and sharp driver link to each other and can be along the radial reciprocating motion of chuck seat. The clamping jaw body is detachably connected with the clamping jaw seat, the shape is convenient to change, and workpieces in different shapes can be clamped conveniently by changing the clamping jaw body; the clamping jaw body is made of plastic, so that the surface of a product can be prevented from being damaged by clamping, the clamping jaw is particularly suitable for occasions with the clamping force not being particularly large and the product needing to be prevented from being damaged by clamping, and in addition, the linear actuator can be a driving device such as an air cylinder, an oil cylinder and the like.
In the above multi-jaw chuck with a detachable jaw member, the jaw body is stepped with a plurality of steps. The jaw body is step-shaped and can be suitable for clamping workpieces with different diameters.
In the above multi-jaw chuck with detachable jaw members, the jaw seats are made of teflon. Good stability, wear resistance and corrosion resistance.
In the above multi-jaw chuck with a detachable jaw member, the jaw body is detachably connected to the jaw base by a screw-connection detachable structure.
In foretell multi-jaw chuck that jaw part can be dismantled in area, spiro union formula detachable construction include a plurality of screws at vertical direction intercommunication jaw body and chuck seat, the screw run through in jaw body and the lower extreme extends to the chuck seat in vertical direction, the screw in the spiro union have fixing bolt. The clamping jaw body and the clamping disc seat are detachably connected through the fixing bolt and the screw hole formed between the clamping jaw body and the clamping disc seat, the installation and the disassembly are convenient, the clamping jaw body is convenient to change types, and the structure is reliable.
In the multi-jaw chuck with the detachable jaw part, the upper end of the screw hole on the jaw body is also provided with an annular positioning step with the diameter larger than that of the screw hole. The annular positioning step is used for limiting after the fixing bolt is screwed in, the upper end face of the fixing bolt can be lower than the end face of the step part, and the flatness is higher.
In the multi-jaw chuck with the detachable jaw component, the jaw seat is also provided with a plurality of positioning pins extending out of the top side of the jaw seat, and the bottom side of the jaw body is provided with a plurality of positioning holes which are arranged in one-to-one correspondence with the positioning pins. The positioning pins are arranged in one-to-one correspondence with the positioning pins on the jaw body, and after the positioning pins are inserted into the positioning holes, the screw holes in the jaw seat part are communicated with the screw holes in the jaw body part, so that the positioning device not only can be used for positioning the screw bolts and the screw holes in a screwed manner, but also can improve the structural rigidity after installation.
In the above multi-jaw chuck with a detachable jaw member, the step portion includes a vertical abutting surface and a horizontal abutting surface perpendicular to the vertical abutting surface, and an arc-shaped chamfered portion is provided between the vertical abutting surface and the horizontal abutting surface. Arc chamfer portion improves the smoothness that step portion bight was buckled, avoids the contained angle scratch product.
In the multi-jaw chuck with the detachable jaw component, the vertical abutting surface is provided with a plurality of wavy friction increasing grooves. The friction increasing groove can increase the friction force between a clamped product and the jaw body, and the clamping stability is high.
Compared with the prior art, the multi-jaw chuck with the detachable jaw component has the advantages that:
1. reasonable in design, the jack catch body can be dismantled with the jack catch seat and be connected, and the remodelling is convenient.
2. The clamping jaw body is made of plastic, can prevent the surface of a product from being clamped and damaged, and is particularly suitable for occasions with low requirements on clamping force and the need of avoiding clamping and damaging the product.
Drawings
FIG. 1 is a cross-sectional view of the structure provided by the present invention;
fig. 2 is a schematic structural view of a side view of the jaw body provided by the present invention;
fig. 3 is a schematic structural diagram of a top view angle of the present invention;
in the figure, a chuck seat 1, a jaw seat 2, a jaw body 3, a step part 4, a screw-connection type detachable structure 5, a screw hole 6, a fixing bolt 7, an annular positioning step 8, a positioning pin 9, a positioning hole 10, a vertical abutting surface 11, a horizontal abutting surface 12, an arc-shaped chamfer part 13 and a friction increasing groove 14.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1-3, the multi-jaw chuck with the detachable jaw component comprises a chuck base 1, wherein a plurality of jaw bases 2 are arranged on the chuck base 1 at intervals in the circumferential direction, jaw bodies 3 are fixedly connected to the jaw bases 2 in a detachable manner, the jaw bodies 3 are made of plastics, and the jaw bases 2 are connected with a linear driver and can move along the chuck base 1 in a reciprocating manner in the radial direction.
The jaw body 3 is detachably connected with the jaw seat 2, the shape is convenient to change, and workpieces in different shapes can be clamped conveniently by changing the jaw body 3; the clamping jaw body 3 is made of plastic, so that the surface of a product can be prevented from being damaged by clamping, the clamping jaw is particularly suitable for occasions with clamping force not particularly large and needing to be prevented from damaging the product, and in addition, the linear actuator can be a driving device such as an air cylinder, an oil cylinder and the like.
Preferably, the jaw body 3 is stepped, and the jaw body 3 is stepped and can be suitable for clamping workpieces with different diameters. The jaw seat 2 is made of polytetrafluoroethylene material, has good stability, is wear-resistant and corrosion-resistant, and the jaw body 3 is detachably connected with the jaw seat 2 through a screw joint type detachable structure 5
Further, spiro union formula detachable construction 5 includes a plurality of screws 6 at vertical direction intercommunication jack catch body 3 and chuck seat 1, and screw 6 runs through jack catch body 3 and lower extreme in vertical direction and extends to chuck seat 1, and threaded connection has fixing bolt 7 in screw 6.
The clamping jaw body 3 and the clamping disc seat 1 are detachably connected through the fixing bolt 7 and the screw hole 6 arranged between the clamping jaw body and the clamping disc seat, the installation and the disassembly are convenient, the clamping jaw body 3 is convenient to change types, and the structure is reliable.
Furthermore, the upper end of the screw hole 6 on the jaw body 3 is also provided with an annular positioning step 8 with a diameter larger than that of the screw hole 6, the annular positioning step 8 is used for limiting after the fixing bolt 7 is screwed in, the upper end surface of the fixing bolt 7 can be lower than the end surface of the step part 4, and the flatness is higher.
Still be equipped with a plurality of locating pins 9 that stretch out in the top side of jaw seat 2 on the jaw seat 2, jaw body 3 bottom side is equipped with a plurality of locating holes 10 that set up with locating pin 9 one-to-one, locating pin 9 here sets up with locating pin 9 on the jaw body 3 one-to-one, after locating pin 9 here pegs graft mutually with locating hole 10, the screw 6 that is located jaw seat 2 part is linked together with the screw 6 that is located jaw body 3 part, not only can be used for the spiro union location of fixing bolt 7 with screw 6, can also improve the structural rigidity after the installation.
In addition, step portion 4 includes that vertical support leans on face 11 and support and lean on face 12 with vertical support to face 11 looks vertically level, and vertical support leans on face 11 and level to support to be equipped with arc chamfer 13 between the face 12, and arc chamfer 13 improves the smoothness of step portion 4 bight of buckling, avoids contained angle scratch product. The vertical abutting surface 11 is provided with a plurality of wavy friction increasing grooves 14, the friction increasing grooves 14 can increase the friction between a clamped product and the jaw body 3, and the clamping stability is high.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.
Although the terms chuck base 1, jaw base 2, jaw body 3, step portion 4, screw-type detachable structure 5, screw hole 6, fixing bolt 7, annular positioning step 8, positioning pin 9, positioning hole 10, vertical abutting surface 11, horizontal abutting surface 12, arc-shaped chamfered portion 13, friction-increasing groove 14, etc., are used more herein, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed in a manner that is inconsistent with the spirit of the invention.
Claims (9)
1. The utility model provides a multi-jaw chuck of jaw part can be dismantled in area, includes chuck seat (1), its characterized in that, chuck seat (1) on be equipped with a plurality of jaw seats (2) of interval arrangement in the circumferential direction, jaw seat (2) on can dismantle fixedly connected with jaw body (3), just jaw body (3) make by plastics, jaw seat (2) link to each other and can be along radial reciprocating motion of chuck seat (1) with the sharp driver.
2. Multi-jaw chuck with detachable jaw members according to claim 1, characterised in that said jaw body (3) is stepped with a plurality of steps (4).
3. Multi-jaw chuck with detachable jaw members according to claim 1, characterised in that said jaw seats (2) are made of teflon.
4. Multi-jaw chuck with detachable jaw members according to any of claims 1-3, characterized in that the jaw body (3) is detachably connected to the jaw seat (2) by means of a screw-on detachable structure (5).
5. The multi-jaw chuck with detachable jaw members as claimed in claim 4, wherein said screw-on detachable structure (5) comprises a plurality of screw holes (6) communicating the jaw body (3) and the chuck base (1) in a vertical direction, said screw holes (6) penetrate the jaw body (3) in a vertical direction and extend from a lower end thereof into the chuck base (1), and said screw holes (6) are screw-connected with fixing bolts (7).
6. Multi-jaw chuck with detachable jaw members according to claim 5, characterised in that the upper end of the threaded hole (6) in the jaw body (3) is further provided with an annular positioning step (8) having a diameter greater than the threaded hole (6).
7. The multi-jaw chuck with detachable jaw members as claimed in claim 6, wherein said jaw base (2) is further provided with a plurality of positioning pins (9) protruding from a top side of said jaw base (2), and a plurality of positioning holes (10) are formed in a bottom side of said jaw body (3) in one-to-one correspondence with said positioning pins (9).
8. Multi-jaw chuck with detachable jaw members according to claim 2, characterised in that said step (4) comprises a vertical abutment surface (11) and a horizontal abutment surface (12) perpendicular to said vertical abutment surface (11), said vertical abutment surface (11) and said horizontal abutment surface (12) being provided with an arc-shaped chamfer (13) therebetween.
9. Multi-jaw chuck according to claim 8, characterised in that said vertical abutment surface (11) is provided with a plurality of undulated friction-increasing grooves (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020913049.7U CN212350413U (en) | 2020-05-26 | 2020-05-26 | Multi-jaw chuck with detachable jaw member |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020913049.7U CN212350413U (en) | 2020-05-26 | 2020-05-26 | Multi-jaw chuck with detachable jaw member |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212350413U true CN212350413U (en) | 2021-01-15 |
Family
ID=74155611
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020913049.7U Active CN212350413U (en) | 2020-05-26 | 2020-05-26 | Multi-jaw chuck with detachable jaw member |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212350413U (en) |
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2020
- 2020-05-26 CN CN202020913049.7U patent/CN212350413U/en active Active
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