CN223518668U - Self-centering chuck fine-tuning mechanism - Google Patents
Self-centering chuck fine-tuning mechanismInfo
- Publication number
- CN223518668U CN223518668U CN202422704702.XU CN202422704702U CN223518668U CN 223518668 U CN223518668 U CN 223518668U CN 202422704702 U CN202422704702 U CN 202422704702U CN 223518668 U CN223518668 U CN 223518668U
- Authority
- CN
- China
- Prior art keywords
- chuck body
- bevel gear
- fine
- rod
- claw
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The utility model relates to the technical field of machining and discloses a self-centering chuck fine-tuning mechanism, which comprises a base, wherein the upper end of the base is connected with a chuck body, the upper end of the chuck body is provided with a claw chute in a crossed and symmetrical way, a claw is arranged in the claw chute in a sliding way, the lower end of the claw is provided with a driving groove, a conical fluted disc is rotatably arranged in the chuck body, the upper end of the conical fluted disc is provided with a spiral groove, the spiral groove is matched with the driving groove, the lower end of the conical fluted disc is symmetrically provided with a bevel gear, the bevel gear is rotatably connected with the chuck body, the axis end of one end of the bevel gear is provided with an inner square spiral hole, and fine-tuning rods are distributed on the circumference of the lower part of the chuck body.
Description
Technical Field
The utility model belongs to the technical field of machining, and particularly relates to a self-centering chuck fine-tuning mechanism.
Background
In the production process of production industries (such as machining, assembly, welding and the like) in the aviation field and the like, some parts need to be subjected to secondary eccentric adjustment (the eccentric distance is within 1 mm) in the production process, and annular parts such as engine parts and the like often require specific eccentric arrangement between the outer diameter and the inner diameter so as to meet complex assembly and functional requirements. The traditional processing method generally finishes the outer diameter processing firstly, and then carries out the inner diameter processing by manufacturing a special eccentric clamp, so that the process is long in time consumption, the production cost is increased, and the error is easily introduced in the secondary clamping, so that the integral precision of the part is affected. Therefore, it is important to develop a mechanism that can flexibly adjust the eccentricity in one clamping.
Disclosure of utility model
Aiming at the situation, in order to overcome the defects of the prior art, the utility model provides a self-centering chuck fine-tuning mechanism, which effectively solves the problems presented by the background.
The self-centering chuck fine-tuning mechanism comprises a base, a chuck body, a jaw chute, a jaw, a driving groove, a conical fluted disc, a spiral groove, a bevel gear, an inner square spiral hole and a fine tuning rod, wherein the upper end of the base is connected with the chuck body, the jaw chute is formed in the upper end of the chuck body in a crossed and symmetrical mode, the jaw is slidably arranged in the jaw chute, the driving groove is formed in the lower end of the jaw, the conical fluted disc is rotatably arranged in the chuck body, the spiral groove is arranged in the upper end of the conical fluted disc, the spiral groove is matched with the driving groove, the bevel gear is symmetrically arranged at the lower end of the conical fluted disc, the bevel gear is rotatably connected with the chuck body, the inner square spiral hole is formed in the axial end of one end of the bevel gear, the fine tuning rod is distributed on the circumference of the lower portion of the chuck body, the fine tuning rod is in threaded connection with the chuck body, and the outer wall of the fine tuning rod is in contact with the inner convex side wall of the base.
Preferably, the fine adjustment rod consists of an adjustment head, a conical reducing rod and a threaded rod.
Compared with the prior art, the utility model has the beneficial effects that:
According to the utility model, the eccentric function of the center of the main shaft of the equipment and the center of the clamped part is realized by adjusting the fine adjustment rod on the side surface, secondary clamping and additional eccentric clamps are not needed, the processing time and the cost are reduced, all eccentric adjustment is completed by one-time clamping, the error accumulation is reduced, and the overall precision of the part is improved.
Drawings
The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model.
In the drawings:
FIG. 1 is a schematic perspective view of the present utility model;
FIG. 2 is a top view of the present utility model;
FIG. 3 is a schematic view of the cross-sectional C-C structure of FIG. 2 according to the present utility model;
FIG. 4 is a schematic view of a fine tuning rod according to the present utility model;
The device comprises a base, a chuck body, a jaw sliding groove, a jaw, a driving groove, a conical fluted disc, a spiral groove, a bevel gear, a conical fluted disc, a spiral hole, a fine tuning rod, a 1001, an adjusting head, a 1002, a conical reducing rod, a 1003 and a threaded rod, wherein the base is 1, the chuck body, the jaw sliding groove, the jaw, the driving groove, the conical fluted disc, the spiral groove, the spiral hole, the bevel gear, the 9, the inner square spiral hole, the fine tuning rod, the 1001 and the adjusting head are arranged.
Detailed Description
The technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, but not all embodiments, and all other embodiments obtained by those skilled in the art without making any inventive effort based on the embodiments of the present utility model are within the scope of protection of the present utility model.
1-4, The utility model comprises a base 1, a chuck body 2, a jaw chute 3, a jaw 4, a driving groove 5, a bevel gear disk 6, a spiral groove 7, a bevel gear 8, an inner square spiral hole 9 and a fine adjustment rod 10, wherein the upper end of the base 1 is connected with the chuck body 2, the jaw chute 3 is arranged at the upper end of the chuck body 2 in a crossed and symmetrical way, the jaw 4 is arranged in the jaw chute 3 in a sliding way, the driving groove 5 is arranged at the lower end of the jaw 4, the bevel gear disk 6 is rotatably arranged in the chuck body 2, the spiral groove 7 is matched with the driving groove 5, the bevel gear disk 6 is symmetrically arranged at the lower end of the bevel gear disk 8 and is rotatably connected with the chuck body 2, an inner square spiral hole 9 is arranged at the axial center end of one end of the bevel gear 8, the lower circumference of the chuck body 2 is distributed with the fine adjustment rod 10, the fine adjustment rod 10 is in threaded connection with the chuck body 2, and the outer wall of the fine adjustment rod 10 is in contact with the inner convex side wall of the base 1;
The fine adjustment lever 10 is composed of an adjustment head 1001, a tapered reducing lever 1002, and a threaded rod 1003.
The base 1 is used as a supporting foundation of the whole mechanism;
The chuck body 2 is connected to the upper end of the base 1, and a transmission structure is designed in the chuck body;
the jaw sliding grooves 3 are symmetrically arranged at the upper end of the chuck body 2 in a crossing way and are used for guiding the jaws 4 to slide;
The clamping jaw 4 is arranged in the clamping jaw sliding groove 3 in a sliding manner and is used for clamping the parts;
the driving groove 5 is arranged at the lower end of the clamping jaw 4 and is matched with the spiral groove 7 on the bevel gear disk 6 to realize synchronous movement of the clamping jaw 4;
The conical fluted disc 6 is rotatably arranged in the chuck body 2, and a spiral groove 7 at the upper end of the conical fluted disc is matched with the driving groove 5;
The spiral groove 7 is designed at the upper end of the bevel gear disk 6 and is used for driving the claw 4 to move radially;
Bevel gears 8 are symmetrically arranged at the lower end of the conical fluted disc 6 and are rotationally connected with the chuck body 2, and the conical fluted disc 6 can be driven to rotate by rotation;
The inner square rotary hole 9 is arranged at the axial center end of one end of the bevel gear 8, so that the tool can be conveniently used for rotary operation;
The fine tuning rods 10 are circumferentially distributed at the lower part of the chuck body 2 and are in threaded connection with the chuck body 2, and the fine tilt of the bevel gear disk 6 can be realized by adjusting the positions of the fine tuning rods 10, so that the clamping center position of the clamping jaw 4 is changed.
The working principle is that through the adjusting head 1001 of the rotary fine adjusting rod 10, the fine adjusting rod 10 moves along the circumferential direction of the chuck body 2 by utilizing the threaded connection principle, and lateral force is applied to the base 1 by the tapered diameter changing rod 1002, the chuck body 2 drives the tapered fluted disc 6 to slightly incline by the lateral force due to the fixed installation and equipment of the base 1, and the inclination of the tapered fluted disc 6 is converted into radial movement of the clamping jaw 4 due to the connection between the tapered fluted disc 6 and the clamping jaw 4 through the spiral groove 7 and the driving groove 5, so that fine adjustment of the clamping center is realized.
Specifically, the fine tuning rods 10 at the upper end and the lower end of the chuck are adjusted to enable the clamping center to be eccentric up and down, and the fine tuning rods 10 at the left end and the right end are adjusted to enable the clamping center to be eccentric left and right;
The eccentricity of the clamping center in the up-down and left-right directions can be flexibly controlled by adjusting the fine adjustment rods 10 at different positions.
Claims (2)
1. The self-centering chuck fine-tuning mechanism comprises a base (1), a chuck body (2), a claw sliding groove (3), a claw (4), a driving groove (5), a bevel gear disk (6), a spiral groove (7), a bevel gear (8), an inner square spiral hole (9) and a fine tuning rod (10), and is characterized in that the upper end of the base (1) is connected with the chuck body (2), the claw sliding groove (3) is formed in the upper end of the chuck body (2) in a crossed and symmetrical mode, the claw sliding groove (4) is arranged in the claw sliding groove (3) in a sliding mode, the driving groove (5) is formed in the lower end of the claw (4), the conical gear disk (6) is arranged in the chuck body (2) in a rotating mode, the spiral groove (7) is matched with the driving groove (5), the bevel gear disk (6) is symmetrically arranged at the lower end of the bevel gear disk (8) and is connected with the chuck body (2) in a rotating mode, the inner square spiral hole (9) is formed in the axis end of one end of the bevel gear (8), the fine tuning rod (10) is distributed on the circumference of the lower portion of the chuck body (2), the fine tuning rod (10) is connected with the chuck body (2) in a protruding mode, and the inner square spiral rod (6) is in contact with the inner side wall of the outer wall of the chuck body (1).
2. The self-centering chuck fine centering mechanism as claimed in claim 1, wherein the fine centering rod (10) is composed of an adjusting head (1001), a tapered reducing rod (1002) and a threaded rod (1003).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202422704702.XU CN223518668U (en) | 2024-11-06 | 2024-11-06 | Self-centering chuck fine-tuning mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202422704702.XU CN223518668U (en) | 2024-11-06 | 2024-11-06 | Self-centering chuck fine-tuning mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN223518668U true CN223518668U (en) | 2025-11-07 |
Family
ID=97537020
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202422704702.XU Active CN223518668U (en) | 2024-11-06 | 2024-11-06 | Self-centering chuck fine-tuning mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN223518668U (en) |
-
2024
- 2024-11-06 CN CN202422704702.XU patent/CN223518668U/en active Active
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| GR01 | Patent grant |