Novel pipe contracting machine capable of achieving automatic adjustment

Abstract

The invention relates to an novel pipe contracting machine capable of achieving automatic adjustment. The novel pipe contracting machine comprises a base, wherein supporting legs are arranged at the lower end of the base, a pipe contracting machine body and a fixing frame are symmetrically arranged at the upper end of the base, the pipe contracting machine body comprises a rack, three sets of rotating shafts are rotationally installed on the outer side of the rack in a penetrating mode, rotating tables are fixedly connected to the inner side ends of the rotating shafts, the inner side faces of the rotating tables are symmetrically and fixedly connected with two sets of first fixing bases, a pipe contracting wheel roller is rotationally arranged between the two sets of first fixing bases through a first driving shaft, the fixing frame comprises a stand column fixedly connected to the upper end of the base, a top plate is fixedly connected to the upper end of the stand column, and the fixing frame further comprises a clamping table fixedly connected to the upper end of the base. The whole structure of the novel pipe contracting machine is reasonable in arrangement, a distance between the pipe contracting wheel rollers in the pipe contracting machine can be automatically, rapidly and accurately adjusted according to pipe fitting necking requirements, the tail end of a pipe fitting is clamped through the fixing frame, the pipe fitting can be movably pushed, and the pipe contracting machine is high in integral efficiency, high in accuracy and good in practical effect.

Description

technical field [0001] The invention relates to the field of tube shrinking machine equipment, in particular to a novel tube shrinking machine with automatic adjustment. Background technique [0002] Tube necking is a forming process that reduces the diameter of the end of the tube blank. The tube blank enters the deformation zone under the action of axial force, and produces tangential shrinkage shrinkage plastic deformation in the deformation zone, then enters the stable zone, and finally forms a reduced end diameter. The pipe flaring is to expand the end diameter of the tube blank A forming process, the shape of the flaring can be conical or cylindrical, the tube blank enters the deformation zone under the action of axial force, produces tangential stretching plastic deformation of the flaring in the deformation zone, and then enters the stable deformation zone, and finally For forming, the working speed of the main cylinder can be adjusted by setting a pipe throttle val...

AI Technical Summary

Problems solved by technology

[0004] On the one hand, when the pipe shrinking machine shrinks the pipes in different sizes, the staff needs to constantly replace the internal molds, and the mold replacement process is cumbersome, which wastes too much time and manpower. At the same time, the mold after installation Due to multiple installations, there is a certain probability of negligence, which is easy to affect the accuracy of the subsequent shrinking tubes, thereby affecting the quality control of the product

[0005] On the other hand, when the pipe shrinking machine is running, the other end of the pipe fitting is clamped and fixed manually with the clamp, which cannot keep the pipe fitting stable during shrinking, which leads to a certain deviation of the pipe during shrinking, which affects Necking accuracy of pipe

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