Full-automatic pipe repair equipment

Abstract

The invention discloses full-automatic pipe repair equipment for finishing the processes of welding, rough grinding, fine grinding and accurate grinding on pipe seams at one time, and belongs to the field of stainless steel pipe repair. The repair equipment consists of an automatic welding gun mechanism, a plurality of curved grinding mechanisms, an expansion mechanism, a stroke mechanism, a cooling mechanism, a combined clamp and a complete frame; the automatic welding gun mechanism controls the vertical and horizontal movement of a welding gun, and welding of a square pipe and a round pipe is finished under the action of the expansion mechanism; the expansion mechanism mainly consists of an expansion block, a connecting pipe, a bearing seat, a hollow shaft, an axial rotating motor, a conical pull rod, a connector and a cylinder; the expansion mechanism expands the seams, and also drives the pipes to move left and right and rotate; and the stroke mechanism mainly consists of a power device and a transmission device, and the pipe moves between the welding position and a plurality of grinding heads.

Description

technical field [0001] The patent of the present invention discloses a fully automatic pipe repair equipment, which can complete the welding, rough grinding, fine grinding and fine grinding processes of the pipe weld at one time. It belongs to the field of repairing stainless steel pipes. Background technique [0002] Stainless steel pipe enterprises will produce a lot of waste products in the production process. In order to reduce the loss, the unqualified products must be repaired by welding and repaired into qualified pipes. The usual method is to manually carry out manual argon arc welding. After the welding is formed, the first step is to roughly grind the weld seam with an angle grinder (use a coarse-grained grinding wheel to smooth the raised part of the weld seam), and the second step is to The tube is placed on another single grinding head polishing machine for fine grinding (fine grinding for the weld seam, the particles of the grinding head are finer), and the th...

AI Technical Summary

Problems solved by technology

[0003] There are mainly the following disadvantages: 1. It is required to grind the thin line of the weld by hand, it is difficult to control the uniform feeding of the pipe to the grinding head, it is difficult to control the width of the grinding marks, it is difficult to control the depth of the grinding marks, and the Uneven grinding marks are formed around the pipe weld, which seriously affects the appearance; 2. The grinding head used for grinding is wider than the width of the weld. When grinding the weld, the normal surfaces on both sides of the weld will be worn off, so it must be It is necessary to form a very smooth transition area between the normal surface and the polished surface of the weld, so that people cannot visually feel the change of the surface height, and the usual manual grinding can not achieve this effect at all; 3. Grinding of round tubes and square tubes The directions must be inconsistent. The plane of rotation of the grinding head must be perpendicular to the axis of the round tube and parallel to the axis of the square tube. Since the manual grinding head is fixed, the plane of rotation of the grinding head and the axis of the square tube The vertical line is vertical, and the vertical grinding marks on the surface of the square tube are difficult to polish in the subsequent polishing process; 4. It takes at least 10 minutes for a tube to go through several processes from welding to grinding, and it takes at least 10 minutes to change several positions. Above, the efficiency is too low; 5. Due to the slow speed of manual welding usually used, and there is no device for quickly cooling the weld, the heat generated during welding is large, and the pipe will be seriously deformed after being heated around the weld

[0004] Due to the unstable quality of repaired pipes, too many repaired pipes will greatly reduce the overall quality of pipes, which has become a problem that pipe companies need to solve urgently

Images