CN215999485U - Special-shaped piece chuck auxiliary positioning device - Google Patents
Special-shaped piece chuck auxiliary positioning device Download PDFInfo
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- CN215999485U CN215999485U CN202121850742.5U CN202121850742U CN215999485U CN 215999485 U CN215999485 U CN 215999485U CN 202121850742 U CN202121850742 U CN 202121850742U CN 215999485 U CN215999485 U CN 215999485U
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Abstract
The utility model discloses an auxiliary positioning device for a special-shaped part chuck, which comprises a chuck body, wherein a plurality of tracks are uniformly arranged on the chuck body along the radial direction, and each track is internally provided with a movable clamping jaw capable of moving in the track; the central position of the chuck body is provided with a positioning groove which penetrates through the upper end surface and the lower end surface of the chuck body; the chuck body is also provided with a positioning hole for mounting a positioning frame; the positioning frame comprises flanges arranged at two ends of the fixed rod, the middle part of the fixed rod is provided with a central hole for installing the positioning column, and the head part of the positioning column is matched with the shaped hole at the top part of the special-shaped piece; the flanging is provided with a through hole corresponding to the positioning hole and is fixedly connected with the chuck body through a fixing piece. The positioning frame and the positioning column are used for quickly positioning the special-shaped piece, so that the special-shaped piece can be conveniently processed.
Description
Technical Field
The utility model belongs to the technical field of machining, and relates to an auxiliary positioning device for a chuck of a special-shaped part.
Background
When a numerical control lathe is used for machining a workpiece, the workpiece is usually clamped and positioned and then machined; the clamping workpiece is often used for a three-jaw chuck, a four-jaw chuck and the like, and the three-jaw chuck and the four-rotating chuck clamp and position the workpiece by utilizing the radial movement of movable jaws uniformly distributed on a chuck body. For parts produced in large scale, automation and semi-automation lathes are used to realize automation of the production process, but for parts produced in single piece and small scale, especially for processing special-shaped parts with complex shapes and high processing precision requirements, the existing chuck positioning is difficult to achieve quick and accurate alignment. When the existing chuck positioning device is used for processing a special-shaped piece, a dial indicator is needed to measure for alignment, and the use is very troublesome.
Disclosure of Invention
The technical problem to be solved by the utility model is to provide an auxiliary positioning device for a chuck of a special-shaped piece, which is used for quickly positioning the special-shaped piece through a positioning frame and a positioning column and is convenient for processing the special-shaped piece.
The utility model is realized by the following technical scheme:
an auxiliary positioning device for a special-shaped part chuck comprises a chuck body, wherein a plurality of tracks are uniformly arranged on the chuck body along the radial direction, and each track is internally provided with a movable clamping jaw capable of moving in the track; the central position of the chuck body is provided with a positioning groove which penetrates through the upper end surface and the lower end surface of the chuck body; the chuck body is also provided with a positioning hole for mounting a positioning frame;
the positioning frame comprises flanges arranged at two ends of a fixed rod, the middle part of the fixed rod is provided with a central hole for installing a positioning column, and the head part of the positioning column is matched with a profile hole at the top part of the special-shaped piece; the flanging is provided with a through hole corresponding to the positioning hole and is fixedly connected with the chuck body through a fixing piece.
Furthermore, the fixing rod is a U-shaped fixing rod and is fixedly connected with the special-shaped part through a positioning column.
Furthermore, the fixing piece is a positioning pin which penetrates through the through hole to fixedly connect the positioning frame with the chuck body.
Furthermore, the head of the positioning column is provided with a convex part matched with the hole at the top of the special-shaped piece.
Furthermore, the movable clamping jaws comprise four movable clamping jaws which are uniformly distributed on the plane of the chuck body.
Furthermore, the plane of the chuck body is vertical to the longitudinal axis of the special-shaped piece.
Furthermore, a plurality of steps with the heights decreasing from outside to inside are arranged on the movable clamping jaws.
Furthermore, the positioning holes comprise four positioning holes which are uniformly distributed on the plane of the chuck body.
Furthermore, the positioning hole is a through hole penetrating through the upper end surface and the lower end surface of the chuck body.
Compared with the prior art, the utility model has the following beneficial technical effects:
the utility model discloses an auxiliary positioning device for a chuck of a special-shaped piece, which is characterized in that a positioning frame is arranged on a chuck body, and a positioning hole in the chuck body is matched with a fixing piece to realize the fixed connection of the positioning frame and the chuck body; the positioning frame center is connected with the positioning column, when the special-shaped piece is positioned, the positioning column is inserted into a shaped hole in the upper part of the special-shaped piece, the flanges at the two ends of the positioning frame are fixed through the fixing piece, then the movable clamping jaws are adopted to clamp and position the special-shaped piece, and the special-shaped piece is processed. The positioning holes in the chuck body are skillfully utilized, the positioning frame is arranged on the chuck body, and the positioning columns on the positioning frame center the upper part of the special-shaped piece, so that the special-shaped piece is quickly positioned, and the special-shaped piece is conveniently processed.
Drawings
Fig. 1 is a top view of the profile chuck auxiliary positioning device of the present invention;
FIG. 2 is a schematic structural diagram of the positioning frame of the present invention;
fig. 3 is a top view of a profile according to the utility model;
fig. 4 is a side view of a profile according to the utility model;
the clamping device comprises a clamping disc body 1, a movable clamping jaw 2, a positioning groove 3, a positioning frame 4, a positioning hole 5, a special-shaped part 6, a fixing part 7, a step 8, a fixing rod 41, a flanging 42, a positioning column 43, a central hole 44, a through hole 45 and a protruding part 46.
Detailed Description
The present invention will now be described in further detail with reference to the attached drawings, which are illustrative, but not limiting, of the present invention.
Referring to fig. 1 and 2, an auxiliary positioning device for a chuck of a special-shaped part comprises a chuck body 1, wherein a plurality of tracks are uniformly arranged on the chuck body 1 along the radial direction, and each track is internally provided with a movable clamping jaw 2 capable of moving in the track; a positioning groove 3 penetrating through the upper end surface and the lower end surface of the chuck body 1 is formed in the center of the chuck body 1; the chuck body 1 is also provided with a positioning hole 5 for installing the positioning frame 4;
the positioning frame 4 comprises flanges 42 arranged at two ends of a fixing rod 41, a central hole 44 for installing a positioning column 43 is formed in the middle of the fixing rod 41, and the head of the positioning column 43 is matched with a shaped hole in the top of the special-shaped part 6; the flanging 42 is provided with a through hole 45 corresponding to the positioning hole 5, and the flanging 42 is fixedly connected with the chuck body 1 through the fixing piece 7.
Specifically, the tracks comprise four tracks, and each track is internally provided with a movable clamping jaw 2; the four movable clamping jaws 2 are uniformly distributed on the plane of the chuck body 1. Referring specifically to fig. 3 and 4, the structural schematic of the profile is shown. The special-shaped part 6 is a nozzle assembly, one end of the special-shaped part is a bent pipe, one end of the special-shaped part is provided with a shaped hole, when the special-shaped part 6 is machined, the center of the special-shaped part is difficult to align due to the special structure of the special-shaped part, and the special-shaped part is positioned, therefore, the application provides the special-shaped part chuck auxiliary positioning device, the positioning frame 4 is arranged on the chuck body 1, the center of the positioning frame 4 is connected with the positioning column 43, the positioning column 43 penetrates through the center hole of the fixing rod 41 and extends into the shaped hole of the special-shaped part 6, the special-shaped part 6 is positioned, the turned edges 42 at the two ends of the positioning frame 4 are fixed through the fixing part 7, then the movable clamping claws 2 are adopted to clamp and position the special-shaped part 6, and the special-shaped part 6 is machined. The head of the positioning column 43 is matched with the shaped hole of the special-shaped part 6, the use is convenient, different positioning columns 43 can be replaced, the flexibility is high, and the applicability is strong.
Further, the fixing rod 41 is a U-shaped fixing rod, and the fixing rod 41 is fixedly connected with the special-shaped member 6 through a positioning column 43.
Further, the fixing piece 7 is a positioning pin, and the positioning pin penetrates through the through hole 45 to fixedly connect the positioning frame 4 with the chuck body 1.
Furthermore, the head of the positioning column 43 is provided with a protruding portion 46 matched with a shaped hole at the top of the special-shaped piece 6, when the special-shaped piece 6 is processed, the protruding portion 46 extends into the shaped hole of the special-shaped piece 6, and then the positioning frame 4 and the chuck body 1 are fixed through the fixing member 7, so that the clamping and positioning of the special-shaped piece 6 are realized.
Furthermore, the movable clamping jaws 2 comprise four movable clamping jaws 2 which are uniformly distributed on the plane of the chuck body 1. The utility model skillfully utilizes the two opposite positioning holes 5 on the chuck body 1, centers the upper part of the special-shaped piece 6 through the positioning columns 43, and fixes the special-shaped piece 6 with the chuck body 1 through the positioning frames 4, thereby realizing the rapid positioning of the special-shaped piece 6, ensuring that the position of the special-shaped piece 6 can not deviate during subsequent processing and ensuring the processing precision.
Further, the plane of the chuck body 1 is perpendicular to the longitudinal axis of the special-shaped piece 6.
Furthermore, a plurality of steps 8 with the heights decreasing from outside to inside are arranged on the movable clamping jaw 2.
Furthermore, the positioning holes 5 include four positioning holes, and the four positioning holes 5 are uniformly distributed on the plane of the chuck body 1.
Furthermore, the positioning hole 5 is a through hole penetrating through the upper end surface and the lower end surface of the chuck body 1.
According to the technical scheme, the utility model provides the auxiliary positioning device for the chuck of the special-shaped part, the positioning frame 4 is arranged on the chuck body 1, and the positioning hole 5 on the chuck body 1 is matched with the fixing piece 7 to realize the fixed connection of the positioning frame 4 and the chuck body 1; the positioning column 43 is connected to the center of the positioning frame 4, when the special-shaped piece 6 is positioned, the positioning column 43 is inserted into a shaped hole of the special-shaped piece 6, the flanges 42 at two ends of the positioning frame 4 are fixed through the fixing part 7, and then the special-shaped piece 6 is clamped and positioned by the movable clamping jaws 2, so that the special-shaped piece 6 is processed. According to the utility model, the positioning holes 5 on the chuck body 1 are skillfully utilized, the positioning frame 4 is arranged on the chuck body 1, and the positioning columns 43 on the positioning frame 4 are used for centering the special-shaped piece 6, so that the special-shaped piece 6 is quickly positioned, and the special-shaped piece 6 is conveniently processed.
The embodiments given above are preferable examples for implementing the present invention, and the present invention is not limited to the above-described embodiments. Any non-essential addition and replacement made by the technical characteristics of the technical scheme of the utility model by a person skilled in the art belong to the protection scope of the utility model.
Claims (9)
1. The auxiliary positioning device for the chuck of the special-shaped part is characterized by comprising a chuck body (1), wherein a plurality of tracks are uniformly arranged on the chuck body (1) along the radial direction, and a movable clamping jaw (2) capable of moving in each track is arranged in each track; a positioning groove (3) penetrating through the upper end surface and the lower end surface of the chuck body (1) is formed in the center of the chuck body; the chuck body (1) is also provided with a positioning hole (5) for installing a positioning frame (4);
the positioning frame (4) comprises flanges (42) arranged at two ends of a fixing rod (41), a central hole (44) for mounting a positioning column (43) is formed in the middle of the fixing rod (41), and the head of the positioning column (43) is matched with a shaped hole in the top of the special-shaped piece (6); the flanging (42) is provided with a through hole (45) corresponding to the positioning hole (5), and the flanging (42) is fixedly connected with the chuck body (1) through the fixing piece (7).
2. The profile chuck auxiliary positioning device according to claim 1, wherein the fixing rods (41) are U-shaped fixing rods, and the fixing rods (41) are fixedly connected with the profile (6) through the positioning columns (43).
3. A profile chuck auxiliary positioning device according to claim 1, wherein the fixing member (7) is a positioning pin, and the positioning pin passes through the through hole (45) to fixedly connect the positioning frame (4) and the chuck body (1).
4. Device according to claim 1, wherein the positioning posts (43) have protrusions (46) at their heads that fit into the holes in the top of the profile (6).
5. A profile chuck auxiliary positioning device according to claim 1, characterized in that said movable jaws (2) comprise four, four movable jaws (2) being evenly distributed on the plane of the chuck body (1).
6. Device according to claim 5, wherein the plane of the chuck body (1) is perpendicular to the longitudinal axis of the profile (6).
7. A profile chuck auxiliary positioning device according to claim 1, wherein the movable jaws (2) are provided with a plurality of steps (8) having successively decreasing heights from the outside to the inside.
8. A profile chuck auxiliary positioning device according to claim 1, wherein the positioning holes (5) comprise four, and four positioning holes (5) are uniformly distributed on the plane of the chuck body (1).
9. A profile chuck auxiliary positioning device according to claim 1, wherein the positioning holes (5) are through holes penetrating the upper and lower end surfaces of the chuck body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121850742.5U CN215999485U (en) | 2021-08-10 | 2021-08-10 | Special-shaped piece chuck auxiliary positioning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121850742.5U CN215999485U (en) | 2021-08-10 | 2021-08-10 | Special-shaped piece chuck auxiliary positioning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215999485U true CN215999485U (en) | 2022-03-11 |
Family
ID=80588356
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121850742.5U Active CN215999485U (en) | 2021-08-10 | 2021-08-10 | Special-shaped piece chuck auxiliary positioning device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215999485U (en) |
-
2021
- 2021-08-10 CN CN202121850742.5U patent/CN215999485U/en active Active
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