Thermal forming laminated water-cooling mold for high-strength steel plate

A high-strength steel plate, thermoforming technology, used in forming tools, manufacturing tools, heat treatment equipment, etc., can solve the problems of difficult maintenance, poor mold strength, etc., achieve high pressure holding capacity, improve cooling efficiency, and improve the effect of versatility

Inactive Publication Date: 2021-11-02
ZHEJIANG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Both have poor mold strength and are difficult to repair; they are suitable for craft products with low mold pressure, and both have irreparable shortcomings

Method used

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  • Thermal forming laminated water-cooling mold for high-strength steel plate
  • Thermal forming laminated water-cooling mold for high-strength steel plate
  • Thermal forming laminated water-cooling mold for high-strength steel plate

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Embodiment Construction

[0028] In the following, the present invention will be further described in detail in conjunction with the accompanying drawings in the embodiments of the present invention. Apparently, the described embodiments are only some examples of the present invention, not all of them.

[0029] Such as image 3 As shown, the mold includes the lowermost mold layer 4, the middle mold layer 5, and the uppermost mold layer 6, which are stacked closely from bottom to top, between the lowermost mold layer 4 and the middle mold layer 5, and between the middle mold layer 5 and the uppermost mold layer 6. All of them are slidingly embedded through the mortise and tenon structure.

[0030] Such as Figure 5 As shown, there are spiral cooling pipes and linear pipes inside the bottom layer 4 of the mold, and the two ends of the spiral cooling pipes and straight pipes respectively pass through the end surfaces on both sides of the bottom layer 4 of the mold.

[0031] The end faces of both sides o...

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Abstract

The invention discloses a water-cooling mold for thermal forming laminated production of a high-strength steel plate. The water-cooling mold comprises a mold lowermost layer, a mold middle layer and a mold uppermost layer which are sequentially stacked from bottom to top; a spiral cooling pipeline and a linear pipeline are arranged in the mold lowermost layer; a hollow through groove structure is arranged in the middle of the mold middle layer to serve as a mold middle layer water channel; a mold middle layer water channel wall is arranged around the mold middle layer water channel; and annular sealing grooves are arranged at the edges, connected with the end faces of the mold lowermost layer and the mold uppermost layer, of the mold middle layer water channel wall. According to the characteristics of the thermal forming water-cooling mold provided by the invention, heat in the mold can be efficiently taken away, quenching of a workpiece is achieved, and meanwhile high strength and high pressure maintaining capacity needed by the mold are guaranteed.

Description

technical field [0001] The invention relates to a water-cooling mold, in particular to a hot-forming laminated water-cooling mold for high-strength steel plates, which belongs to the thermoforming mold. Background technique [0002] The hydraulic hot forming process has always attracted great attention in the industry. Regarding the efficient heat dissipation of the mold and how to deal with the emerging rapid quenching technology for high-temperature parts under high-pressure stress environment, this market has great potential and high technical threshold. Taking the steel plate material as an example, the specific process is to pass through the blanking of the cold stamping line, preform, trim and punch the workpiece, and then send it into the heating furnace to be austenitized, and then send it into the indirect thermoforming mold to maintain its shape. And quenching to generate martensite, and finally cleaning and oiling. [0003] One of the most difficult aspects of th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B21D37/16C21D1/673
Inventor 冯毅雄泮佩言洪兆溪
Owner ZHEJIANG UNIV
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