Rotatable composite automatic stretching device

A stretching device and a rotary technology, applied in the field of automatic stretching devices, can solve the problems of poor wall thickness uniformity, long production cycle, and low efficiency of tube blanks, and achieve good wall thickness uniformity, saving cleaning, and uniform wall thickness good sex effect

Inactive Publication Date: 2018-01-30
ZHEJIANG GARDEN ELECTRONICS EQUIP
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The whole process has a long production cycle, low efficiency, and poor uniformity of the wall thickness of the tube blank

Method used

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  • Rotatable composite automatic stretching device
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Embodiment Construction

[0017] It should be noted that, in the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined with each other. The present invention will be described in detail below with reference to the accompanying drawings and examples.

[0018] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. The following description of at least one exemplary embodiment is merely illustrative in nature and in no way taken as limiting the invention, its application or uses. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0019] Such ...

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Abstract

The invention discloses a rotatable composite automatic stretching device which comprises a lower machine table, an upper machine table, a lower base and a servo motor linkage module, wherein the upper machine table is arranged above the lower machine table, the lower base is arranged on the lower machine table, and the servo motor linkage module is arranged on the upper machine table. A pluralityof female dies are uniformly and circumferentially distributed on the lower base, upper bases are uniformly and circumferentially distributed on servo motor linkage module, the number of the upper bases is as same as that of the female dies, the circumference positions of the upper bases are one-to-one correspondence to that of the female dies, core rods are arranged on the upper base, the core rods are matched with the female dies in the downward pressing process, so that tube blanks are stretched, the female dies are provided with cavities, and the inner diameter sizes of the female die cavities are sequentially reduced from the female dies correspondingly arranged below feeding blocks to the female dies correspondingly arranged below discharging blocks. According to the device, the processes such as cleaning and heat treatment in the original multi-pass stretching process are saved, a production period is greatly shortened, and production efficiency is improved.

Description

technical field [0001] The invention relates to the technical field of metal bellows processing, in particular to an automatic stretching device for a seamless thin-walled tube blank. Background technique [0002] The current production of seamless thin-walled tube blanks is mainly completed by multi-pass stretching. After each stretch, auxiliary processes such as cleaning and heat treatment must be carried out, and then the next stretching process is carried out. After multi-pass stretching Finally, the seamless thin-walled tube blank is produced. The whole process has a long production cycle, low efficiency, and poor uniformity of the wall thickness of the tube blank. Contents of the invention [0003] The technical problem to be solved by the present invention is to provide a rotary composite automatic stretching device to improve production efficiency and ensure the uniformity of the wall thickness of the tube blank. [0004] In order to solve the above technical pro...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B21C1/24B21C45/00
Inventor 杨寿民王进沈丁风苏光欧阳曜林胡辉张雪峰陈俊阳赵众乐
Owner ZHEJIANG GARDEN ELECTRONICS EQUIP
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