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A method of manufacturing a bonnet hinge

A technology for engine covers and hinges, which is applied in the field of hinges, can solve the problems of low processing precision of hinges, achieve the effects of increasing the effective mating surface length, ensuring verticality, and improving riveting accuracy

Active Publication Date: 2020-11-06
武汉市尚佳盛汽车配件有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to provide a method for manufacturing engine cover hinges, so as to solve the technical problem of low hinge machining accuracy in the prior art

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  • A method of manufacturing a bonnet hinge
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  • A method of manufacturing a bonnet hinge

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Embodiment Construction

[0025] In order to make the purpose, technical solution and advantages of the present invention clearer, the technical solution of the present invention will be described in detail below. Apparently, the described embodiments are only some of the embodiments of the present invention, but not all of them. Based on the embodiments of the present invention, all other implementations obtained by persons of ordinary skill in the art without making creative efforts fall within the protection scope of the present invention.

[0026] The invention provides a method for manufacturing the hinge of the engine cover, which includes the following steps: S1, the steps of trimming, bending and shaping are sequentially performed on the plate for making the hinge to form a mating surface. S2, performing a punching step on the mating surface to form a first hole 1 . S3, performing a punching step on the first hole 1 with scraping material to form a second hole 2 with enlarged diameter. S4, pe...

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Abstract

The invention provides a method for manufacturing an engine cover hinge, and relates to the technical field of hinges. The technical problem that the hinge machining accuracy is too low is solved. Themethod comprises the following steps that S1, a plate for manufacturing the hinge is subjected to edge cutting, bending and shaping in sequence to form a matching face; S2, hole punching is carried out on the matching face to form a first hole; S3, hole punching is carried out on the first hole in a manner of diameter increasing through material scrapping to form a second hole; and S4, all shapefaces of the hinge are shaped.

Description

technical field [0001] The invention relates to the technical field of hinges, in particular to a method for manufacturing an engine cover hinge. Background technique [0002] The hinge assembly, especially the engine cover hinge, is located in the front compartment of the engine. Due to the small space in the car body, and the engine cover hinge is used to connect the key components for opening and closing the engine cover, the shape of the hinge is quite complicated. The engine cover hinge is hereinafter referred to as the hinge, including the hinge fixed page and the hinge movable page. Rivet holes for connection are stamped on the hinge fixed page and the hinge movable page respectively, and riveted by rivets. [0003] At present, the design and production process of the hinges by various manufacturers in the industry includes the following steps in sequence. S1 forms the external shape of the hinge, S2 punches out the riveting holes for the hinge, and S3 uses manual co...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B23P15/00E05D5/02
CPCB23P15/00E05D5/0207
Inventor 何丽平胡秀俊文佳思李军
Owner 武汉市尚佳盛汽车配件有限公司