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Hot stamping forming equipment

A technology of hot stamping forming and equipment, applied in heat treatment equipment, forming tools, feeding devices, etc., can solve the problems of small interface stress, difficulty in peeling off, thin secondary oxide scale, etc., to achieve inhibition of oxidation reaction and high surface quality , Phosphorus removal and high quenching efficiency

Inactive Publication Date: 2017-11-03
BAIC MOTOR CORP LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The above-mentioned process has the following problems: After the base steel plate is heated to a temperature higher than 950°C and fully austenitized, it needs to be kept warm for at least 280s. During this process, the steel plate will form a 1mm-3mm thick primary iron oxide scale. The secondary oxide scale will be formed quickly during the stamping on the machine and the subsequent transportation process. The thickness of the secondary oxide scale is thin, and the interface stress between the base plate and the steel plate is small, so it is difficult to peel off

Method used

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Embodiment Construction

[0021] Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary only for explaining the present invention and should not be construed as limiting the present invention.

[0022] In describing the present invention, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", " Back", "Left", "Right", "Vertical", "Horizontal", "Top", "Bottom", "Inner", "Outer", "Clockwise", "Counterclockwise", "Axial", The orientation or positional relationship indicated by "radial", "circumferential", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invent...

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Abstract

The invention discloses hot stamping forming equipment. The hot stamping forming equipment comprises a box, a punch press and spray heads, wherein the box is provided with an entrance door and an exit door both of which can be opened and closed, an accommodating cavity is defined between the entrance door and the exit door, the wall of the box is provided with air holes communicating with the accommodating cavity, and the air holes are used for leading protective gas into the box; the punch press is mounted in the accommodating cavity and adjacent to the entrance door; and the spray heads are arranged outside the accommodating cavity and adjacent to the exit door. By adoption of the hot stamping forming equipment provided by the invention, oxidizing reaction of steel plates in the hot stamping process and in the transportation process can be effectively inhibited, the dephosphorization and quenching efficiency is high, and the surface quality of the produced steel plates is high.

Description

technical field [0001] The invention belongs to the technical field of thermoforming, and in particular relates to a thermoforming equipment. Background technique [0002] Automobile lightweight is an important goal that the automobile manufacturing industry is constantly pursuing. High-strength steel plates can not only effectively reduce the weight of the vehicle body, but also improve the comfort and collision safety of the vehicle. The hot-formed steel is processed by hot stamping forming technology, which can not only improve the safety performance of the vehicle, but also eliminate the internal reinforcement plate to reduce the weight of the vehicle. [0003] In the related technology, the processing technology of hot-formed steel is to heat the base steel plate through a heating furnace to a temperature higher than 950°C to fully austenitize, then keep it warm for at least 280s, and then stamp it on a punching machine to the desired shape before proceeding. After que...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B21D37/16B21D22/02B21D43/18B21D43/09C21D1/667B21D53/88
CPCB21D37/16B21D22/022B21D43/09B21D43/18B21D53/88C21D1/667
Inventor 张聪
Owner BAIC MOTOR CORP LTD
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