CN-224223326-U - Thin-wall annular part fixture

CN224223326UCN 224223326 UCN224223326 UCN 224223326UCN-224223326-U

Abstract

The application relates to the technical field of machining auxiliary equipment, in particular to a thin-wall annular part fixture which comprises a base and at least one clamping mechanism, wherein the clamping mechanism comprises a plurality of clamping assemblies which are distributed along an annular shape and can move radially. The clamping assembly is composed of a clamping base, a sliding rod, an elastic pressing component and the like, and the elastic pressing component is matched with the elastic pressure spring through an arc-shaped gasket to realize elastic clamping. The number of the clamping assemblies can be two, the clamping assemblies are distributed in pairs, and the base is provided with a sliding groove, a sliding block, a bidirectional screw rod and a driving motor, so that synchronous movement of the clamping assemblies is realized. The fixture clamp avoids clamping deformation of the thin-wall annular part through the elastic compression part, utilizes the multi-component annular distribution and synchronous driving structure, realizes uniform clamping and quick clamping, effectively improves the part machining precision and clamping efficiency, and is suitable for various thin-wall annular part machining scenes.

Inventors

TAN KANGKANG
QIN JUNCHAO
XUE LONG
YU BINGHUI
YANG LI
LI KUNLONG
LI NING

Assignees

郑州航远机电科技有限公司

Dates

Publication Date: 20260512
Application Date: 20250612

Claims (6)

1. The fixture for the thin-wall annular part comprises a base (1) and is characterized by further comprising at least one clamping mechanism (2) which is arranged on the base (1) and used for positioning and clamping the thin-wall annular part, wherein the clamping mechanism (2) comprises a plurality of clamping assemblies (3) which are distributed along the annular shape and can move along the radial direction so as to clamp or loosen the thin-wall annular part.
2. The thin-wall annular part fixture as claimed in claim 1, wherein the clamping assembly (3) comprises a clamping base (4), the clamping base (4) is arranged on the base (1), a plurality of guide grooves (5) uniformly distributed along the circumferential direction of the base (1) are formed in the base (1), a sliding rod (6) is connected in the guide grooves (5) in a sliding manner, and an elastic pressing part (7) is arranged at the other end of the sliding rod (6).
3. The tool clamp for the thin-wall annular part, as set forth in claim 2, characterized in that the elastic pressing component (7) comprises a plurality of arc gaskets (8), the arc gaskets (8) can slide on the sliding rod (6) along the radial direction, an elastic pressure spring (9) is arranged on the arc gaskets (8), and the other end of the elastic pressure spring (9) is fixedly connected with the sliding rod (6).
4. The thin-wall annular part fixture as claimed in claim 3, wherein the periphery of the clamping base (4) is provided with inclined grooves (10) corresponding to the elastic pressing parts (7) one by one, sliding strips (11) capable of sliding are arranged in the inclined grooves (10), the sliding rods (6) are arranged on the sliding strips (11), the middle part of the clamping base (4) is provided with a movable seat (12), the other end of the sliding strips (11) is inserted into the movable seat (12) and can slide in the movable seat (12), the clamping base (4) is provided with a rotating screw rod (13), and one end of the rotating screw rod (13) is provided with a rotating wheel (14).
5. The thin-wall annular part fixture according to claim 1, wherein the number of the clamping assemblies (3) is two, and the clamping assemblies are distributed on the base (1) in pairs.
6. The thin-wall annular part fixture as claimed in claim 5, wherein the base (1) is provided with sliding grooves (15), sliding blocks (16) capable of sliding are respectively arranged on two sides in the sliding grooves (15), the sliding blocks (16) are fixedly connected with the clamping base (4), rotatable bidirectional screws (17) are arranged in the sliding grooves (15), the two sliding blocks (16) are respectively connected with the bidirectional screws (17) in a threaded mode, the base (1) is provided with a driving motor (18), and the output end of the driving motor (18) is fixedly connected with the bidirectional screws (17).

Description

Thin-wall annular part fixture Technical Field The application relates to the technical field of machining auxiliary equipment, in particular to a tool clamp for a thin-wall annular part. Background In the field of machining, the thin-wall annular part is widely applied to various industries such as aerospace, automobile manufacturing, precise instruments and the like due to the advantages of light weight, material saving and the like. However, due to the structural characteristics of the thin-wall annular part, the thin-wall annular part is poor in rigidity and easy to deform, and the requirement on the tool clamp in the machining process is extremely high. The traditional fixture has a plurality of problems when positioning and clamping the thin-wall annular part. On the one hand, when the rigid clamping mode is adopted, the partial stress of the thin-wall annular part is easily overlarge due to uneven distribution of clamping force, so that deformation is generated, and the machining precision and quality of the part are seriously affected. For example, in the processing of thin-walled annular seals in automotive engines, deformation due to conventional rigid clamping can significantly degrade the sealing performance of the seal, affecting the overall performance and reliability of the engine. On the other hand, some current clamping device with elasticity buffer function, its elasticity is adjusted inflexibly, is difficult to carry out accurate adjustment according to the thin wall annular part of different sizes and materials, leads to pressing from both sides tight effect not good, can't satisfy diversified processing demand. Therefore, the invention provides the tool clamp for the thin-wall annular part, which solves the problems in the background art. Disclosure of utility model The utility model aims to provide a fixture for a thin-wall annular part, which solves the problems of easy deformation, poor clamping effect, complex operation and the like of the part when the existing fixture is used for positioning and clamping the thin-wall annular part through reasonable structural design, realizes accurate positioning and uniform clamping of the thin-wall annular part, improves the machining precision and clamping efficiency, and meets the machining requirements of the thin-wall annular part with different sizes and materials. The application provides a thin-wall annular part fixture which adopts the following technical scheme that the fixture comprises a base, and further comprises at least one clamping mechanism which is arranged on the base and used for positioning and clamping a thin-wall annular part, wherein the clamping mechanism comprises a plurality of clamping assemblies which are distributed along an annular shape and can move along a radial direction to clamp or loosen the thin-wall annular part. Optionally, the clamping assembly includes the clamping base, the clamping base sets up on the base, set up a plurality of guide slots along its circumference equipartition on the base, sliding connection has the slide bar in the guide slot, the other end of slide bar is provided with elasticity and compresses tightly the part. Optionally, the elastic pressing component comprises a plurality of arc gaskets, the arc gaskets can slide along the radial direction on the sliding rod, an elastic pressure spring is arranged on the arc gaskets, and the other end of the elastic pressure spring is fixedly connected with the sliding rod. Optionally, the week side of pressing from both sides tight base is provided with the chute with elasticity compresses tightly the part one-to-one, be provided with slidable slide bar in the chute, the slide bar sets up on the slide bar, the middle part of pressing from both sides tight base is provided with movable seat, the other end of slide bar inserts in the movable seat and can take place to slide in the movable seat, be provided with the rotation screw rod on pressing from both sides tight base, the one end of rotation screw rod is provided with the runner. Optionally, the number of the clamping assemblies is two, and the clamping assemblies are distributed on the base in pairs. Optionally, the sliding tray has been seted up on the base, both sides in the sliding tray are provided with the slidable sliding block respectively, the sliding block links to each other with clamping base is fixed, be provided with rotatable two-way screw rod in the sliding tray, two the sliding block links to each other with two-way screw rod screw thread respectively, be provided with driving motor on the base, driving motor's output links to each other with two-way screw rod is fixed. In summary, the application has the following beneficial technical effects: 1. The part deformation is avoided, namely by arranging a plurality of clamping assemblies which are distributed along the ring shape and can move along the radial direction and matching with the elastic pressing part, the uniform cl