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Bending device for bend

A bending device and elbow technology, applied in the field of elbow bending devices, can solve the problems of long production cycle, many production processes, long process time, etc., and achieve accurate elbow and elbow processing, simple operation and good stability. Effect

Inactive Publication Date: 2017-02-22
合肥华升泵阀股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The above-mentioned molding method takes a long time, requires multiple equipments for molding, wears a lot on the mold, the product is easy to wrinkle, needs to use a lot of fillers, requires high power for the production equipment, many production processes, and a long production cycle. Disadvantages such as high manufacturing cost and low efficiency

Method used

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Embodiment Construction

[0020] Now illustrate structural features of the present invention in conjunction with accompanying drawing:

[0021] The present invention includes a support 11, a fixed part 12, a moving part 13, and a driving mechanism 14. The fixed part 12 is fixed on the support 11, and the fixed part 12 is provided with a section for inserting and fixing a section of the straight pipe 20 to be processed. The first cylindrical cavity a, the second cylindrical cavity b sleeved on the other section of the straight pipe 20 to be processed is set in the moving part 13, the outer diameter of the straight pipe 20 to be processed is the same as the first The inner diameters of the cylindrical cavity a and the second cylindrical cavity b match, and the drive mechanism 14 drives the moving part 13 to rotate relative to the fixed part 12 to realize that the straight pipe 20 to be processed runs along the first cylindrical cavity a, the second cylindrical cavity The cylindrical cavity b is curved re...

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Abstract

The invention relates to a bending device for a bend. The bending device for the bend comprises a support, a fixed piece, a movable piece and a drive mechanism. The fixed piece is fixed to the support. A first cylindrical cavity is formed in the fixed piece, and one section of a to-be-machined straight pipe is inserted and fixed in the first cylindrical cavity. A second cylindrical cavity formed in the other section of the to-be-machined straight pipe in a sleeving manner is formed in the movable piece. The outer diameter of the to-be-machined straight pipe is matched with the inner diameter of the first cylindrical cavity and the inner diameter of the second cylindrical cavity. The drive mechanism drives the movable piece to rotate relative to the fixed piece, and the to-be-machined straight pipe is bent along the opposite port adjoining position of the first cylindrical cavity and the second cylindrical cavity to form the needed bend. The bending device is simple in structure, meanwhile, stability is good, and bend and elbow machining can be conducted more rapidly and accurately.

Description

technical field [0001] The invention relates to the field of processing elbows and pipes, in particular to an elbow bending device. Background technique [0002] In the pipeline connection, there are often situations such as pipeline turning or diversion, and elbows or elbows are used. The elbows or elbows are widely used because of their convenient connection and replacement. Bend pipes or elbows are obtained by bending straight pipe fittings or bars at a certain angle. In the production and processing of elbows, rolling ball molding was mostly used in the past. For example: the Chinese invention patent application publication number CN1049304 A method for manufacturing a metal elbow is proposed. The method adopts a cold bending process to manufacture a metal elbow, and the formed elbow is shaped through a steel ball shaping process. The above-mentioned molding method takes a long time, requires multiple equipments for molding, wears a lot on the mold, the product is easy ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B21D7/024B21D43/00
CPCB21D7/024B21D43/003
Inventor 李强何玉杰张杰朱燕群宋建龙黄河杨首谋
Owner 合肥华升泵阀股份有限公司
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