Portable internal expansion type pipe beveling machine

Abstract

The invention relates to the technical field of beveling machines, and discloses a portable internal expansion type pipe beveling machine. A rotating disc is movably mounted on the front face of the machine body, tool rests are symmetrically and fixedly mounted on the two sides of the front face of the rotating disc, a first beveling knife is movably sleeved with the tool rest on one side, a second beveling knife is movably sleeved with the tool rest on the other side, an inner cavity is formed in the position, located on the right back faces of the tool rests, in the rotating disc, an adjusting groove is formed in the position, located on the right back faces of the tool rests, of the back face of the rotating disc, a sleeve shaft is fixedly connected to the back face of the first beveling knife, the back face of the sleeve shaft is fixedly provided with a movable block, the positions, located on the front and back inner walls of the inner cavity, of the outer ring of the sleeve shafts are movably sleeved with discs, the position, between the two discs, of the outer ring of the sleeve shaft is movably sleeved with a spring, through arranging, the position of a beveling knife can be adjusted, the machine can adapt to different pipes, the beveling effect is good, and the service life of the beveling knife is long.

Description

technical field [0001] The invention relates to the technical field of beveling machines, in particular to a portable internal expansion pipe beveling machine. Background technique [0002] Nowadays, pipes are widely used, basically everywhere, especially in large places where rigid pipes are required, and the produced pipes cannot be infinitely long, so in many cases it is necessary to weld the pipes. Before welding, the mouth of the pipe needs to be beveled to facilitate the removal of impurities such as rust. On the other hand, the space for welding is left. The beveling machine uses the motor to drive the beveling knife to rotate the bevel of the pipe, similar to The chamfering and beveling of the nozzle is more conducive to welding, but there are still some problems in the existing beveling machine: [0003] 1. The internal expansion beveling machine is fixed inside the pipe by the tensioning device when it is working, and then the beveling knife is tightened on the ro...

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Problems solved by technology

[0003] 1. The internal expansion beveling machine is fixed inside the pipe by the tensioning device when it is working, and then the beveling knife is tightened on the rotating disk, and the motor is started to drive the beveling. Such beveling knives are all designed , that is to install according to different diameters, but in practice, pipes of different diameters will be encountered when used outside, so that pipes of various diameters cannot be satisfied when beveling;

[0004] 2. When beveling, the power device is used to push the turntable to move to the pipe for beveling, but the advancing speed is constant, because the amount of chips in the process of beveling when the beveling knife and the pipe are just in contact is In this way, under the condition of keeping the feed rate constant, the resistance of the pipe on the edge of the beveling knife is constantly increasing. This way of beveling with increased resistance will cause the edge of the beveling knife to The service life is reduced, and the quality of the groove is not high

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