CN212371204U - Three-jaw chuck tool with replaceable jaws - Google Patents
Three-jaw chuck tool with replaceable jaws Download PDFInfo
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- CN212371204U CN212371204U CN201922444561.1U CN201922444561U CN212371204U CN 212371204 U CN212371204 U CN 212371204U CN 201922444561 U CN201922444561 U CN 201922444561U CN 212371204 U CN212371204 U CN 212371204U
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- jaw
- chassis assembly
- jaw chuck
- jack catch
- movable mounting
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Abstract
The utility model discloses a three-jaw chuck frock of removable jack catch, including the chassis assembly, the lower extreme fixed mounting of chassis assembly has the chassis locating pin, the upper end fixed mounting of chassis assembly has short cylinder three-jaw chuck, movable mounting has outer hexagonal cylinder head screw between short cylinder three-jaw chuck and the chassis assembly, the upper end fixed mounting of short cylinder three-jaw chuck has the jack catch base, movable mounting has interior hexagonal cylinder head screw between jack catch base and the short cylinder three-jaw chuck, the upper end movable mounting of jack catch base has movable jack catch piece, the central point of chassis assembly puts movable mounting has middle double-screw bolt, the upper end movable mounting of middle double-screw bolt has the clamp plate, the lower extreme movable mounting of middle double-screw bolt has hexagon nut, movable mounting has the supporting nail on the jack catch piece. The integral type clamping jaw of the traditional clamping chuck is optimized into a mode that the clamping jaw base is added with the replaceable clamping jaw, the dismounting is simple, the occupied tool storage space is small, and the tool is saved.
Description
Technical Field
The utility model relates to a lathe chuck technical field specifically is a three-jaw chuck frock of removable jack catch.
Background
The lathe is a machine tool which mainly uses a lathe tool to turn a rotating workpiece, and the lathe can also use a drill bit, a reamer, a screw tap, a screw die, a knurling tool and the like to perform corresponding processing.
However, the three-jaw chuck on the market is a machine tool accessory which clamps and positions a workpiece by utilizing radial movement of three movable jaws uniformly distributed on a chuck body. Traditional chuck jack catch formula as an organic whole, the chuck uses for a long time, and the tight department of three-jaw location clamp along with the wearing and tearing of chuck can be the loudspeaker form, makes the geometric tolerances increase of part of processing, and the maintenance needs wholly to pull down the change, and is comparatively troublesome, and the commonality is lower, need frequently to change the chuck when processing multiple work piece, consumes more time.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a three-jaw chuck frock of removable jack catch to it is the radial movement who utilizes the three movable jack catch of equipartition on the chuck body to propose the three-jaw chuck on the existing market among the solution above-mentioned background art, presss from both sides the lathe annex of tight and location to the work piece. Traditional chuck jack catch formula as an organic whole, the chuck uses for a long time, and the tight department of three-jaw location clamp along with the wearing and tearing of chuck can be the loudspeaker form, makes the geometric tolerances increase of part of processing, and the maintenance needs wholly to pull down the change, and is comparatively troublesome, and the commonality is lower, need frequently to change the chuck when processing multiple work piece, consumes more time's problem.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a three-jaw chuck frock of removable jack catch, includes the chassis assembly, the lower extreme fixed mounting of chassis assembly has the chassis locating pin, the upper end fixed mounting of chassis assembly has short cylinder three-jaw chuck, movable mounting has outer hexagonal cylinder head screw between short cylinder three-jaw chuck and the chassis assembly, the upper end fixed mounting of short cylinder three-jaw chuck has the jack catch base, movable mounting has interior hexagonal cylinder head screw between jack catch base and the short cylinder three-jaw chuck, the upper end movable mounting of jack catch base has movable jack catch piece, the central point of chassis assembly puts movable mounting has middle double-screw bolt, the upper end movable mounting of middle double-screw bolt has the clamp plate, the lower extreme movable mounting of middle double-screw bolt has hexagon nut, movable jack catch piece is last movable mounting has the supporting nail.
Preferably, the chassis assembly is designed to be a cylindrical structure, the size of the short cylindrical three-jaw chuck at the upper end of the chassis assembly is smaller than that of the chassis assembly, and the circle center of the chassis assembly and the circle center of the short cylindrical three-jaw chuck are positioned on the same vertical center line.
Preferably, the short cylinder three-jaw chuck is symmetrically provided with three jaw bases, movable jaw blocks on the jaw bases are matched with the jaw bases in size, and the movable jaw blocks are provided with protective grains.
Preferably, the pressing plate is designed to be an eccentric structure, and the size of the pressing plate and the size of the middle screw are matched with each other.
Preferably, two groups of the outer hexagonal socket head cap screws are symmetrically arranged on the chassis assembly, and at least three groups of the inner hexagonal socket head cap screws are symmetrically arranged on the chassis assembly.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the three-jaw chuck tool with replaceable jaws is additionally provided with the replaceable jaws, the jaws can be fixed through mutual fixed mounting, and the difficulty of work is reduced on the basis of not changing the overall structure;
2. when the three-jaw chuck tool with the replaceable jaws is applied to a large-size chuck, the base is additionally provided with the threaded holes so as to increase pressing force on a workpiece in a manner of increasing the pressing plate, and only the movable jaws are replaced when different workpieces are treated, so that waste of time and cost caused by replacement of the whole chuck is greatly saved;
3. this three-jaw chuck frock of removable jack catch, the form of the integral jack catch optimization for the jack catch base with removable jack catch of traditional chuck can be changed according to the processing product needs, and it is little to dismantle simply and occupy frock storage space, practices thrift.
Drawings
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a schematic view of the clamping structure of the present invention;
fig. 3 is a schematic view of the top view structure of the present invention.
In the figure: 1. a chassis assembly; 2. a chassis positioning pin; 3. a short cylindrical three-jaw chuck; 4. a jaw base; 5. a movable jaw block; 6. pressing a plate; 7. a middle stud; 8. a support pin; 9. an outer hexagonal socket head screw; 10. a socket head cap screw; 11. a hexagonal nut; 12. and (5) protecting the lines.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: a three-jaw chuck tool with replaceable jaws comprises a chassis assembly 1, wherein a chassis positioning pin 2 is fixedly mounted at the lower end of the chassis assembly 1, a short cylindrical three-jaw chuck 3 is fixedly mounted at the upper end of the chassis assembly 1, an outer hexagonal cylindrical head screw 9 is movably mounted between the short cylindrical three-jaw chuck 3 and the chassis assembly 1, a jaw base 4 is fixedly mounted at the upper end of the short cylindrical three-jaw chuck 3, an inner hexagonal cylindrical head screw 10 is movably mounted between the jaw base 4 and the short cylindrical three-jaw chuck 3, a movable jaw block 5 is movably mounted at the upper end of the jaw base 4, a middle stud 7 is movably mounted at the central position of the chassis assembly 1, a pressing plate 6 is movably mounted at the upper end of the middle stud 7, a hexagon nut 11 is movably mounted at the lower end of the middle stud 7, and a supporting nail 8 is movably mounted;
furthermore, the chassis assembly 1 is designed to be a cylindrical structure, the size of the short cylindrical three-jaw chuck 3 at the upper end of the chassis assembly 1 is smaller than that of the chassis assembly 1, and the circle center of the chassis assembly 1 and the circle center of the short cylindrical three-jaw chuck 3 are arranged on the same vertical center line, so that the clamping accuracy is improved;
furthermore, three jaw bases 4 are symmetrically arranged on the short cylindrical three-jaw chuck 3, movable jaw blocks 5 on the jaw bases 4 are matched with the jaw bases 4 in size, and protective grains 12 are arranged on the movable jaw blocks 5, so that the fixing work can be better carried out;
furthermore, the pressing plate 6 is designed to be an eccentric structure, and the size of the pressing plate 6 is matched with that of the middle stud 7, so that the installation tightness of the whole device is improved;
furthermore, the outer hexagon socket head cap screws 9 are symmetrically arranged on the chassis assembly 1 in two groups, and the chassis assembly 1 is symmetrically provided with at least three groups of inner hexagon socket head cap screws 10, so that the assembly can be more convenient.
The working principle is as follows: firstly, a movable clamping jaw block 5 is installed with a clamping jaw base 4 seat in a matched mode through a bolt hole, the side face of the clamping jaw block is marked according to the type and name of a workpiece to be machined so as to be convenient to install, a supporting nail 8 needs to be added according to the height difference of a positioning plane to align the plane, after the chuck is assembled, the chuck is adjusted to a vertical lathe and installed with a lathe spindle in a matched mode, after the clamping jaw is installed, the clamping jaw is adjusted to the workpiece clamping size before machining, the protrusions and the like which are not round and round are removed from the clamping jaw are removed, the clamping arc of a three-jaw circle is a whole circle, then machining can be started, the integral clamping jaw of a traditional chuck is optimized into the mode that the clamping jaw base and the replaceable clamping jaw are added, replacement can be conducted.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a three-jaw chuck frock of removable jack catch, includes chassis assembly, its characterized in that: the lower extreme fixed mounting of chassis assembly has the chassis locating pin, the upper end fixed mounting of chassis assembly has short cylinder three-jaw chuck, movable mounting has outer hexagonal cylinder head screw between short cylinder three-jaw chuck and the chassis assembly, the upper end fixed mounting of short cylinder three-jaw chuck has the jack catch base, movable mounting has interior hexagonal cylinder head screw between jack catch base and the short cylinder three-jaw chuck, the upper end movable mounting of jack catch base has movable jack catch piece, the central point of chassis assembly puts movable mounting has middle double-screw bolt, the upper end movable mounting of middle double-screw bolt has the clamp plate, the lower extreme movable mounting of middle double-screw bolt has hexagon nut, movable mounting has the supporting nail on the movable jack catch piece.
2. The three-jaw chuck tooling of claim 1, wherein: the chassis assembly is designed to be a cylindrical structure, the size of the short cylindrical three-jaw chuck at the upper end of the chassis assembly is smaller than that of the chassis assembly, and the circle center of the chassis assembly and the circle center of the short cylindrical three-jaw chuck are located on the same vertical central line.
3. The three-jaw chuck tooling of claim 1, wherein: three jaw bases are symmetrically arranged on the short cylindrical three-jaw chuck, movable jaw blocks on the jaw bases are matched with the jaw bases in size, and protection grains are arranged on the movable jaw blocks.
4. The three-jaw chuck tooling of claim 1, wherein: the clamp plate is eccentric structure design, and the size of clamp plate and the mutual adaptation of size of middle stud.
5. The three-jaw chuck tooling of claim 1, wherein: two groups of outer hexagonal socket head cap screws are symmetrically arranged on the chassis assembly, and at least three groups of inner hexagonal socket head cap screws are symmetrically arranged on the chassis assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922444561.1U CN212371204U (en) | 2019-12-30 | 2019-12-30 | Three-jaw chuck tool with replaceable jaws |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922444561.1U CN212371204U (en) | 2019-12-30 | 2019-12-30 | Three-jaw chuck tool with replaceable jaws |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212371204U true CN212371204U (en) | 2021-01-19 |
Family
ID=74156697
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922444561.1U Active CN212371204U (en) | 2019-12-30 | 2019-12-30 | Three-jaw chuck tool with replaceable jaws |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212371204U (en) |
-
2019
- 2019-12-30 CN CN201922444561.1U patent/CN212371204U/en active Active
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