A quick-installation and quick-release inner hole tensioner

Abstract

The invention belongs to the field of machining, and relates to a quick-mounting and quick-dismounting inner hole tensioner. The device comprises a seat body, a guide pin, a rotary pressing device, apush-pull rod, a screw a, a spring, a screw b and a connecting cylindrical pin. According to the inner hole tensioner, tensioning and loosening are innovated on the structural design, a pressing partis automatically popped out when the mechanical structure is partially tightened and automatically retracted when the mechanical structure is loosened, the geometrical principle similar to that of theinclined edge is larger than the right-angle edge is mainly adopted for the main structure, the pressing device can rotate around a shaft, the pressing device touches an inclined notch in the liftingprocess, automatic swinging angle is realized, so that a product is automatically being receding to be controlled in an internal control mode to realize unloading, and in the pressing process, the pressing device is automatically pulled to be at a horizontal angle by a spring, so that the automatic pressing state is realized for pressing tightly. The inner hole tensioner is simple, effective, safe and reliable, and is combined with gas, liquid and electricity to realize the inner hole and an inner groove pressing a workpiece and loosening and discharging the workpiece in the automatic production line, the clamping and adjusting time of a machine tool is shortened, and the production efficiency of the machine tool is improved.

Description

technical field [0001] The invention belongs to the field of mechanical processing, and relates to a quick-installation and quick-release inner hole tensioner. Background technique [0002] At present, in the field of mechanical processing, more and more CNC machine tools are used in production. Improving the processing efficiency of products, shortening the waiting time for machine tools, and reducing production costs have always been the pursuit goals of manufacturers. In the field of mechanical processing, in order to save materials, reduce processing consumption, and improve processing efficiency, some products with internal through grooves and internal through hole structures often make process holes at the above through grooves and through holes when processing parts. The processing of the product is completed in the form of internal pressure. The most commonly used method is to make through holes and use process bolts to compress them one by one. Use positioning pins...

AI Technical Summary

Problems solved by technology

Use positioning pins or process bolts to position and connect the product with the tooling base. This method is tightened one by one by the worker. The workpiece is large and there are many pressing points, which is especially time-consuming and laborious. At present, hydraulic pressing is also used, but it still needs to be clamped and unloaded. Manual intervention, clamping and disassembly are very troublesome, and some internal expansion structures have tension force

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