Hydraulic Indexing Clamping Device

Abstract

The invention discloses a hydraulic indexing clamping device. The hydraulic indexing clamping device is characterized by comprising a fixing seat, a rotating assembly, a positioning assembly and a hydraulic rotating joint. The rotating assembly comprises a revolving shaft, a swing hydraulic cylinder and an overrunning clutch. The swing hydraulic cylinder is fixedly arranged on a lower seat plate of a fixing seat assembly. The swing hydraulic cylinder drives the revolving shaft to rotate in one direction through the overrunning clutch. The positioning assembly comprises a first hydraulic cylinder. The first hydraulic cylinder is fixedly arranged on a middle seat plate of the fixing seat assembly through a cylinder body of the first hydraulic cylinder, and a positioning hydraulic rod of the first hydraulic cylinder can stretch upwards out of the middle seat plate and be inserted into a corresponding seat body positioning hole of the installation seat part of the revolving shaft of the rotating assembly to prevent the revolving shaft from rotating in machining operation. The fixing seat is fixedly arranged at the right end of a main shaft installation seat of a machine tool through a disc connecting part of the fixing seat, and the hydraulic rotating joint is arranged at the left end of the main shaft installation seat of the machine tool. Corresponding oil outlets of the hydraulic rotating joint are communicated with the swing hydraulic cylinder and the first hydraulic cylinder through corresponding pipelines.

Description

technical field [0001] The invention belongs to the technical field of mechanical processing equipment, and in particular relates to a hydraulic indexing clamping device. Background technique [0002] At present, in the processing of mechanical parts, it is often encountered that various parts such as valve bodies, three-way or four-way pipe joints need multi-faceted transposition and multi-process processing. Positioning and clamping greatly reduces the processing efficiency, and the position requirements of the processing parts on each surface cannot be guaranteed due to the two positionings, thereby reducing the qualified rate of the product. Some fixtures such as hydraulic clamping or pneumatic clamping used on some highly automated mechanical processing machine tools, when processing different surfaces of the same workpiece, only need to index and index the workpiece during the processing. Some indexable and indexable fixtures are positioned by stepping motors, which n...

AI Technical Summary

Problems solved by technology

Some indexable and indexable fixtures are positioned by stepping motors, which is not only costly, but also cannot be used for motion and rotation

Some indexing and indexing fixtures are rotated by a rotary hydraulic motor and positioned by positioning pins. For 90-degree indexing, 4 limit hydraulic devices are required, and for 45-degree indexing, 8 limit hydraulic indexing devices are required. , complex structure, high cost

Some indexable and indexable fixtures use manual indexing, which cannot be used on moving parts, and the efficiency is low

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