Processing production line and processing method of steel bar thread for connection of straight steel bar thread machine

Abstract

The invention relates to a processing production line device of a steel bar thread for connection of a straight steel bar thread machine, which is formed by connecting a steel bar length-cutting device, an end reinforcement device, an end face milling device, a thread rolling device and a steel bar conveying trolley arranged among the devices into a processing line, wherein control systems of thesteel bar conveying trolley, the steel bar length-cutting device, the end reinforcement device, the end face milling device and the thread rolling device are all connected with a main control table. Aprocessing method of the invention comprises the following steps: firstly, flat cutting or length-cutting a steel bar end; secondly, reinforcing the steel bar end; thirdly, milling the obtained crosssection; and finally, thread-rolling the steel bar end. The whole processing process is controlled by the main control table by programming to realize the automation of the whole process of the steelbar thread processing line. The invention can realize the thread processing of various specifications of steel bars with diameters being between phi 12mm and phi 50mm.

Description

Technical field: [0001] The invention relates to steel bar straight thread processing equipment and a processing method. technical background: [0002] In the reinforced concrete structure engineering, a large number of steel bars are connected with the steel bar straight thread connection technology. At present, the straight thread processing at the end of the steel bar is mainly performed by thinning knife cutting, rib stripping rolling or direct rolling. When threading, the steel bar clamping, steel bar loading and steel bar unloading are all completed by manual movement. In the tensile strength test of stripped rib rolling or direct rolling and long wire threaded joints, the breakage often occurs in the threaded part, and it is difficult to achieve the same strength connection with the base metal of the steel bar; the rolling straight thread processing technology is used, and the end surface of the steel bar has flanging protrusions , has a great influence on the residu...

AI Technical Summary

Problems solved by technology

In the tensile strength test of stripped rib rolling or direct rolling and long wire threaded joints, the breakage often occurs in the threaded part, and it is difficult to achieve the same strength connection with the base metal of the steel bar; the rolling straight thread processing technology is used, and the end surface of the steel bar has flanging protrusions , has a great influence on the residual deformation of the steel bar connection joints; when the single steel bar has a large self-weight, multiple people are required to move the steel bar, which not only increases the labor intensity and low work efficiency of the workers, but also increases the risk of bumping in the processing operation

With the rapid development of urbanization and cities, labor resources are in short supply, and the problem of labor employment in construction enterprises is becoming more and more prominent. The traditional steel bar processing technology is no longer suitable for modern construction requirements.

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