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Method for manufacturing high strength steel plate hot stamping die

A technology of hot stamping die and manufacturing method, which is applied in the field of hot stamping forming, can solve the problem that the conformal cooling water channel cannot be processed, and achieve uniform cooling effect

Inactive Publication Date: 2012-10-24
TIANJIN UNIV OF TECH & EDUCATION TEACHER DEV CENT OF CHINA VOCATIONAL TRAINING & GUIDANCE
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  • Abstract
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  • Application Information

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Problems solved by technology

[0006] The invention proposes a method for manufacturing high-strength steel plate hot stamping dies, which mainly solves the problem that the traditional processing method cannot process the conformal cooling channels on the curved convex and concave model surfaces

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  • Method for manufacturing high strength steel plate hot stamping die
  • Method for manufacturing high strength steel plate hot stamping die
  • Method for manufacturing high strength steel plate hot stamping die

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Embodiment Construction

[0031] The content and specific implementation of the present invention will be further described below in conjunction with the accompanying drawings.

[0032] figure 1 It is the structural diagram of the convex and concave dies of the hot stamping die. First, according to the curved shape of the mold punch 2 and the concave mold 1, the metal pipe is made into a combined three-dimensional space cooling channel 3 by cutting, bending, welding, and threaded connection. Refer to figure 2 (a). In order to put the bent conformal three-dimensional space cooling water channel into the convex and concave molds, and the distance from the convex and concave model surfaces of the mold is equal everywhere, take the center position 4 of the cooling water channel as the cutting plane, refer to figure 2 (b), using methods such as wire electric discharge cutting or laser cutting, respectively divide the convex and concave molds into two processing blocks 5, 6, 7, 8, see figure 2 (c) and ...

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Abstract

The invention discloses a method for manufacturing a high strength steel plate hot stamping die and belongs to the technical field of hot stamping forming. Aims at the manufacturing problem that shape follow-up cooling water channels are arranged in bent molded surfaces of male and female dies of the hot stamping die, the method is disclosed. The method comprises the following steps of: firstly, according to the shapes of the molded surfaces of the male and female dies of the die, bending the cooling water channels and connecting the cooling water channels into a pipeline system; then dividing the male and female dies into processing blocks according to the shape follow-up cooling water channels and processing grooves for placing the shape follow-up cooling water channels; and placing the shape follow-up cooling water channels into the grooves; and correspondingly combining and fixing the processing blocks to form a male and female die structure in which the shape follow-up cooling water channels are arranged. The method adopts the process scheme of manufacturing the cooling water channels, cutting the male and female dies, processing the grooves of the cooling water channels, placing the cooling water channels into the grooves and combining and fixing the male and female die processing blocks. According to the process scheme, the hot stamping die of which the cooling water channels follow up the shapes of the molded surfaces of the male and female dies and are at the equal distances with the molded surfaces of the male and female dies of the die can be manufactured; and a high strength steel plate hot stamping part with a uniform cooling effect can be processed by the die.

Description

Technical field: [0001] The invention provides a method for manufacturing a high-strength steel plate hot stamping die, which belongs to the technical field of hot stamping forming. Background technique: [0002] Energy saving, environmental protection, safety, and comfort are the general trends in the development of the automobile industry today, and reducing fuel consumption, energy saving, and emission reduction are hot issues of global concern today. The lightweight technology of automobiles is undoubtedly an effective way to solve this problem. However, in order to realize the lightweight of the car, in addition to optimizing the design of the car structure, it is also possible to use lightweight materials to manufacture car body components. As a typical representative of lightweight materials, high-strength and ultra-high-strength steel plates have become one of the most important means of lightweighting automobiles due to their light weight and high strength. Compar...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B21D37/20B21D37/16
Inventor 段磊门长峰乔小燕于强韩敬华张洋杜文文
Owner TIANJIN UNIV OF TECH & EDUCATION TEACHER DEV CENT OF CHINA VOCATIONAL TRAINING & GUIDANCE
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