Pipe bending tool and pipe bending method

Abstract

The invention provides a pipe bending tool and a pipe bending method, and relates to the technical field of pipe fitting machining. The pipe bending tool comprises a positioning plate, first mold cores, second mold cores and a fastening device, wherein the positioning plate is provided with a concave groove; the length and the width of the concave groove are set according to the size requirementsof products to be bent; the first mold cores are matched with the concave groove, and are detachably connected with the positioning plate; the first mold cores comprise pipe bending parts; the shapesof the pipe bending parts are set according to the shapes of the bent places of the products to be bent; the second mold cores comprise guide parts for limiting the directions of thin-wall pipes; thefastening device is used for pushing the thin-wall pipes to enable the thin-wall pipes to bond with the pipe bending parts of the first mold cores; first molding channels for molding the products areformed among multiple first mold cores and between part of the first mold cores and part of the second mold cores; and the widths of the first molding channels are equal to the thicknesses of the thin-wall pipes. The pipe bending method can guarantee high-precision production of the thin-wall pipes without damage through using the pipe bending tool.

Description

technical field [0001] The invention relates to the technical field of pipe fitting processing, in particular to a pipe bending tool and a pipe bending method. Background technique [0002] For some types of cooling water pipes, the shape of the product is formed by pressing small-diameter thin-walled pipes. If the conventional pipe bending method is used, only one shape of the pipe can be bent in one pipe bending process. For this dimensional accuracy requirement and the shape and position tolerance between the pipes For products with extremely high requirements, conventional pipe bending methods cannot be realized at all. [0003] In more detail, there are the following problems after processing thin-walled tubes by common bending methods: [0004] It is easy to cause defects on the surface of the workpiece; [0005] Part dimensions are difficult to guarantee. [0006] However, the bent pipes with the above-mentioned problems cannot meet the subsequent assembly requirem...

AI Technical Summary

Problems solved by technology

[0005] Part size is difficult to guarantee

[0006] However, the elbows with the above problems cannot meet the subsequent assembly requirements.

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