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CN-224223353-U - Turning clamp for shell parts

CN224223353UCN 224223353 UCN224223353 UCN 224223353UCN-224223353-U

Abstract

The utility model relates to the technical field of tool clamps, in particular to a turning clamp for shell parts, which comprises a connecting disc, a first quick-change module, a second quick-change module and a third quick-change module, wherein the connecting disc is connected with a lathe spindle, one side of the connecting disc is connected with a master disc, the first quick-change module, the second quick-change module and the third quick-change module are detachably connected with the master disc, the first quick-change module, the second quick-change module and the third quick-change module respectively position and clamp and fix different surfaces of a workpiece, the different quick-change modules are adopted to carry out quick clamping and positioning on the different surfaces of the workpiece, the targeted clamping of the workpiece is realized, the risk of clamping instability is eliminated, the quick-change modules corresponding to different machining surfaces can rapidly finish high-precision positioning and locking, the shutdown clamping time is greatly shortened, the labor intensity of workers is remarkably improved, the operating efficiency is improved, and the risk of manual misoperation is reduced.

Inventors

  • LI XIUXIU
  • LIU MING
  • CHENG HONGKAI

Assignees

  • 山东航工智能装备有限公司

Dates

Publication Date
20260512
Application Date
20250612

Claims (7)

  1. 1. A turning clamp for shell parts is characterized by comprising a connecting disc, a first quick-change module, a second quick-change module and a third quick-change module, wherein the connecting disc is connected with a lathe spindle, one side of the connecting disc is connected with a master disc, the first quick-change module, the second quick-change module and the third quick-change module are all detachably connected with the master disc, and the first quick-change module, the second quick-change module and the third quick-change module are used for respectively positioning and clamping different surfaces of a workpiece.
  2. 2. The fixture for turning a shell part according to claim 1, wherein the first quick-change module comprises a first quick-change disc, the second quick-change module comprises a second quick-change disc, the third quick-change module comprises a third quick-change disc, a zero point positioner is arranged on the master disc, and positioning blind nails matched with the zero point positioner are arranged on side walls of the first quick-change disc, the second quick-change disc and the third quick-change disc.
  3. 3. The fixture for turning shell parts according to claim 2, wherein the side wall of the first quick-change disc is connected with a base and a first centering vice, the first centering vice is located above the base, a first hydraulic expansion sleeve is arranged at the upper end of the base, two sides of the base are provided with side plates, a first corner cylinder is arranged on each side plate, and a first pressing block is connected to a piston of the first corner cylinder.
  4. 4. A shell part turning clamp according to claim 3, wherein a first balancing weight is arranged on the side wall of the first quick-change disc.
  5. 5. A shell part turning clamp according to claim 2, wherein a centering shaft sleeve, a second corner cylinder and a second centering vice are arranged on the side wall of the second quick-change disc, second corner cylinders are arranged on two sides of the centering shaft sleeve, a second pressing block is arranged on a piston rod of each second corner cylinder, and the second centering vice is located above the centering shaft sleeve.
  6. 6. The fixture for turning the shell part according to claim 2, wherein a third centering vice, a third corner cylinder and a second hydraulic expansion sleeve are arranged on the side wall of the third quick-change disc, the third corner cylinders are arranged on two sides of the second hydraulic expansion sleeve, a third pressing block is arranged on a piston rod of each third corner cylinder, and the third centering vice is located above the second hydraulic expansion sleeve.
  7. 7. A housing part turning fixture as set forth in claim 6 wherein a second weight is provided on a side wall of said third disc.

Description

Turning clamp for shell parts Technical Field The utility model relates to the technical field of tool clamps, in particular to a turning clamp for a shell part. Background In the field of manufacturing core structural members of high-end precision equipment, particularly in the processing of core bearing shell components involving polyhedral complex profiles and ultra-high precision requirements (for example, in high-energy propulsion devices requiring extreme environmental tolerance and structural integrity), the existing workpiece clamping technology faces significant systematic bottlenecks, severely restricting manufacturing efficiency and quality stability. The processed objects generally have highly complex curved surface geometric features including significant non-rotational symmetry, steep curvature structures, and polyhedral fusion morphologies (e.g., shaped shells with complex ribs/lumens). The geometric characteristics enable the number of effective contact points between the rigid clamping surface and the surface of a workpiece in a traditional clamping system (such as a general three-jaw chuck) to be drastically reduced, workpiece micro-motion, clamping instability and even chatter are easily caused in the machining process (particularly in the case of intermittent cutting or high cutting force working conditions), machining precision and surface integrity are threatened, and potential safety hazards of workpiece flying exist. Therefore, manual clamping is required by relying on a special tool, and especially when workpieces are required to be hoisted and transferred between working procedures, the manual ammeter marking and aligning step after repositioning is extremely time-consuming and depends on the skills of operators. At present, the time for confirming the positioning precision of a single workpiece after hoisting is generally 15-25 minutes, the positioning precision (repeated positioning precision, coaxiality and the like) is highly dependent on the proficiency and the on-site state of operators, and quantitative control and consistency guarantee are difficult. Based on the defects, a novel clamping tool is needed to realize rapid alignment and clamping of workpieces so as to improve the processing efficiency. Disclosure of utility model The utility model aims at the defects in the prior art, provides the turning clamp for the shell parts, realizes targeted clamping of the workpieces, eliminates the risk of clamping instability, ensures the machining precision and safety, greatly shortens the shutdown clamping time, remarkably improves the machining efficiency, simultaneously reduces the labor intensity of workers, improves the operating efficiency and reduces the risk of manual misoperation. In order to achieve the above purpose, the present utility model provides the following technical solutions: The utility model provides a turning anchor clamps of casing part, includes connection pad, first quick change module, second quick change module and third quick change module, the connection pad is connected with lathe spindle, and one side of connection pad is connected with the master disk, and first quick change module, second quick change module and third quick change module all can dismantle with the master disk between be connected, and first quick change module, second quick change module and third quick change module fix a position and press from both sides tightly fixedly to the different faces of work piece respectively. Preferably, the first quick-change module comprises a first quick-change disc, the second quick-change module comprises a second quick-change disc, the third quick-change module comprises a third quick-change disc, a zero point positioner is arranged on the master disc, and positioning blind nails matched with the zero point positioner are arranged on the side walls of the first quick-change disc, the second quick-change disc and the third quick-change disc. Preferably, the side wall of the first quick-change disc is connected with a base and a first centering vice, the first centering vice is located above the base, a first hydraulic expansion sleeve is arranged at the upper end of the base, side plates are arranged on two sides of the base, a first corner cylinder is arranged on the side plates, and a first pressing block is connected to a piston of the first corner cylinder. Preferably, a first balancing weight is arranged on the side wall of the first quick-change disc. Preferably, the side wall of the second quick-change disc is provided with a centering shaft sleeve, a second corner cylinder and a second centering vice, the two sides of the centering shaft sleeve are provided with the second corner cylinder, the piston rod of the second corner cylinder is provided with a second pressing block, and the second centering vice is positioned above the centering shaft sleeve. Preferably, a third centering vice, a third corner cylinder and a second hydraulic expa