A device and method for punching a bent small-diameter pipeline without a lining core

Abstract

The invention discloses a non-lining-core punching device and method for a bent small-pipe-diameter pipeline. The device comprises a clamping mechanism, a milling mechanism, a punching mechanism, a station conversion mechanism and a suction detection mechanism. The bottom end of the clamping mechanism is fixedly installed on the upper surface of a rack. The station conversion mechanism is fixedly installed on the rack. The milling mechanism and the punching mechanism are fixedly installed on the upper surface of the station conversion mechanism in sequence from right to left. The suction detection mechanism located on the side face of the clamping mechanism is fixedly installed on the outer edge of the rack. According to the non-lining-core punching device and method for the bent small-pipe-diameter pipeline, a lining core is removed, and hole machining is achieved on the special-shaped pipeline; meanwhile, the problems of serious burrs, caused by drilling machining, at a hole opening are also avoided; an extra deburring process is not needed, punching machining can be conducted on different pipelines, the machining quality is high, the minimum punching resistance is ensured by implementing counter bored hole milling on a product in advance, and the punched pipeline is prevented from deforming.

Description

technical field [0001] The invention relates to the field of mechanical technology, in particular to a lining-free punching device and method for bent small-diameter pipes. Background technique [0002] At present, drilling or punching is mostly used for hole processing on pipelines. Drilling processing will cause serious burrs at the hole, which may cause additional quality problems. However, for punching processing on existing pipelines, a lining core must be installed in the pipe to prevent To ensure that the shape of the pipe after punching will not change greatly, there are two main disadvantages: 1. If the inner diameter of the pipe is relatively small, the size of the lining core will be smaller, so the lining core is easy to break; 2. The existing punching must be Punching is performed for straight pipes, and it is impossible to process the special-shaped pipes that have been bent in space. Therefore, the traditional hole processing technology can be implemented in a...

AI Technical Summary

Problems solved by technology

[0003] The object of the present invention is to provide a device and method for punching a bent small-diameter pipeline without a lining core, which has no lining core, avoids the serious problem of hole burrs caused by drilling processing, and does not need to add an additional deburring process. Punching processing on different pipes, the processing quality is high, and the vacuum generator is used to suck the residual iron filings in the pipe in real time, and the high-sensitivity sensor is used to test its effect to ensure that there is no residue in the pipe. Small size, resulting in a smaller size of the lining core, so the lining core is easy to break and the punching process must be performed when the existing punching hole must be a straight pipe. It is impossible to process the special-shaped pipe that has completed space bending and avoid problems such as burrs caused by drilling.

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