A double-body pipe bending forming mold and process method
A technology for forming molds and double-body tubes, which is applied in the direction of forming tools, manufacturing tools, metal processing equipment, etc., can solve the problems of unfavorable large-scale use of workshops, failure to meet standardization requirements, and different lengths of batches of tubes to achieve manufacturing costs. Low cost, high production efficiency and convenient operation
Active Publication Date: 2016-02-03
SHANGHAI BOILER WORKS
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Problems solved by technology
If this processing method is used for large-scale pipe bending processing, the lengths of the processed batches of pipes will vary, which cannot meet the standardization requirements. Moreover, the production efficiency of this processing method is low, which is not conducive to large-scale use in the workshop.
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[0051] In order to make the present invention more comprehensible, a preferred embodiment is described in detail below with accompanying drawings.
[0052] Double tube bending forming process, including two processing steps:
[0053] combine figure 1 with figure 2 , the pipe part to be processed is a Φ38×8 cylindrical pipe, and the pipe material is SA213-T11. The first processing step is to bend the middle of the pipe part on a pipe bender to form an arc R', and the pipes at both ends of the arc R' are arranged in parallel.
[0054] combine image 3 with Figure 4, the second processing step is to press the pipe parts, and the pressed pipe forms the following structure: the pipes at both ends of the arc R' are arranged symmetrically, including the first straight section, the longitudinal inclined section and the second straight section, and the longitudinal inclined section Both ends of the segment are respectively connected with the first straight segment and the second...
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The invention provides a bending and forming die for a double-body pipe. The bending and forming die comprises a base. A lower die and a wedge block are located in the base, and the lower die is arranged on the wedge block. A pressing block is arranged on the lower die, and a pressing strip and a plug block used for fixing a pipe of a processed part are inserted into the pressing block. An upper die is arranged on an upper platform of a press, and the base is arranged on a lower platform of the press. The invention further provides a process method for bending and forming the double-body pipe. According to the process method, the middle of the pipe part is bent on a pipe bending machine to form an arc R', the portions, at the two ends of the arc R', of the pipe are parallel, and then the pipe part is bent through the bending and forming die for the double-body pipe. According to the bending and forming die, pressing and forming at a time can be achieved, the geometric dimension of the pipe can be well controlled, manual correction on the pipe later is not needed, and therefore the time and the labor are saved. The overall accuracy of the processed pipe parts of a plurality of batches is high, and the installation and assembly difficulty of subsequent parts is lowered. The bending and forming die for the double-body pipe and the process method have the advantages of being low in manufacturing cost, high in production efficiency and convenient and fast to operate.
Description
technical field [0001] The invention relates to a double-body pipe bending forming mold and a process method, and belongs to the technical field of double-body pipe bending. Background technique [0002] The pipe bending mold is usually used in the production workshop to bend the pipe. First, the two ends of the pipe are bent and processed, and then the middle bend of the pipe is bent. With this processing method, the precision of the geometric dimensions of the processed pipes is low. If this processing method is used for large-scale pipe bending processing, the lengths of the processed batches of pipes will vary, which cannot meet the standardization requirements. Moreover, the production efficiency of this processing method is low, which is not conducive to large-scale use in the workshop. Contents of the invention [0003] The technical problem to be solved by the present invention is to provide a double-body tube bending forming die and process method with high proce...
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IPC IPC(8): B21D37/10
Inventor 陈力孙厚彬辛炜陆英豪杨强
Owner SHANGHAI BOILER WORKS