Thread molding unit and reinforcing steel bar end thread machining tool

Abstract

The invention relates to a thread molding unit and a reinforcing steel bar end thread machining tool which are used for the steel bar connection industries, and belongs to the steel bar connection technology and the connecting mechanical equipment manufacturing technical field. The thread molding unit comprises a fixed main shaft base and a reciprocating motion main shaft base. The reinforcing steel bar end thread machining tool comprises the thread molding unit, a rack, an operation panel, a feeding mechanism, a transmission system, a distribution box, a hydraulic system and a reinforcing steel bar support. The thread molding unit and the reinforcing steel bar end thread machining tool overcome the defects that in the prior art, the labor intensity is large, the machining efficiency is low, the machining accuracy is low, and operation is complex, the advantages that the labor intensity is low, the machining efficiency is high, the machining accuracy is high, and operation is easy areachieved, and the very high practicability is achieved.

Description

technical field [0001] The invention relates to a thread forming unit and a thread processing machine tool for steel bar end, more precisely, relates to a thread forming unit and a thread processing machine tool for steel bar end used in the steel bar connection industry, and belongs to the technical field of steel bar connection technology and connection mechanical equipment manufacturing . Background technique [0002] In large-scale construction projects such as bridges, subways, nuclear power, super high buildings, and water conservancy, ribbed steel bars need to be connected, and threaded sleeve connections are the most widely used method. The threaded sleeve is an internal thread processed in the sleeve, and an external thread is processed at the end of the ribbed steel bar. When used, it is connected together by the interlocking action of the threads. At present, there are two types of machine tools for processing the external thread of the end of ribbed steel bars: ...

AI Technical Summary

Problems solved by technology

Although this operation improves the flatness of the surface of the ribbed steel bar compared with the straight rolling machine tool, it still fails to solve the problems caused by large error at the end of the steel bar thread, internal mechanical strain caused by extrusion or stacked stretching, and unrounded ends. There are problems such as low connection strength, and the rib stripping machine also has problems such as low processing accuracy, high labor intensity, and low processing efficiency.

In addition, because the ribbed steel bar is not round and the surface is not smooth, after the thread is processed, the height of the thread is uneven, resulting in only a high-point connection when connecting with the threaded sleeve, instead of all the occlusal connection of the thread, which also reduces the connection strength.

[0005] With the improvement of the hardness and strength of ribbed steel bars in steel bar connection, as well as the gradual increase of project scale and labor intensity, the existing equipment has gradually been unable to meet the processing requirements.

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