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Method for manufacturing fin

A technology of fins and fin molds, applied in the field of manufacturing fins, to reduce time spent and ensure efficiency

Inactive Publication Date: 2017-02-15
SICHUAN CHANGHONG ELECTRIC CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The embodiment of the present invention provides a method for manufacturing fins to solve the technical problem in the prior art that only through holes of the same diameter can be punched on one fin

Method used

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Embodiment Construction

[0023] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. 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.

[0024] In the description of the embodiments of the present invention, it should be understood that the orientations or positional relationships indicated by the terms "longitudinal", "transverse", "upper", "lower", etc. are based on the orientations or positional relationships shown in the drawings, and only It is for the purpose of describing th...

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Abstract

The invention discloses a method for manufacturing a fin, and relates to the field of heat exchangers. The method is used for solving the technical problem that in the prior art, only through holes the same in diameter and size can be punched in one fin. The method comprises the steps that according to a fin mold, a first kind of puncher pins is adopted for carrying out first bumping operation and second bumping operation on a metal sheet, and a first kind of grooves and a second kind of grooves are obtained; according to the fin mold, the first kind of puncher pins is adopted for carrying out punching operation on the first kind of grooves, and meanwhile a second kind of puncher pins is adopted for carrying out punching operation on the second kind of grooves; and according to the fin mold, a first kind of flanging concave molds is adopted for carrying out flanging operation on the first kind of grooves obtained after punching, and meanwhile a second kind of flanging concave molds is adopted for carrying out flanging operation on the second kind of grooves obtained after punching.

Description

technical field [0001] The present application relates to the field of heat exchangers, in particular to a method for manufacturing fins. Background technique [0002] In the current field of heat exchangers, metal sheets with strong thermal conductivity are usually added to the surface of the heat exchange device that requires heat transfer to increase the heat exchange surface area of ​​the heat exchange device. Metal sheets with this function are called fins. piece. The fin is usually a thin aluminum or copper metal plate, with a plurality of through-hole structures with a certain height formed in its length direction. This through-hole structure can expand the heat transfer area of ​​the inserted heat transfer tube and improve heat transfer. The heat exchange efficiency of the device. [0003] The fin mold is a kind of equipment used to process the metal sheet into fins. Generally, the fin mold includes an upper die set and a lower die set, wherein the upper die set in...

Claims

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Application Information

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IPC IPC(8): B21D53/02B21D37/08
CPCB21D53/022B21D37/08
Inventor 高向军李越峰周二彬
Owner SICHUAN CHANGHONG ELECTRIC CO LTD
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