Hot stamping mould with temperature measuring system

A temperature measuring thermocouple and mold technology, applied in the field of hot stamping, can solve problems such as difficult judgment and evaluation, low completion rate of tissue transformation, and difficulty in monitoring and measuring the temperature change rate of molds and sheets, avoiding the problems of Long-term and high-cost effects

Inactive Publication Date: 2011-09-07
ADVANCED MFG TECH CENT CHINA ACAD OF MASCH SCI & TECH
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AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to provide a mold that can solve the quenching problem of ultra-high-strength steel plate hot stamping forming, and can monitor and measure the temperature change rate of the mold and the sheet at the same time, so as to solve the problem that the existing hot stamping die is difficult to monitor and

Method used

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  • Hot stamping mould with temperature measuring system
  • Hot stamping mould with temperature measuring system
  • Hot stamping mould with temperature measuring system

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Embodiment Construction

[0030] Now refer to the attached Figure 1-6 , the present invention is further described in conjunction with specific embodiments:

[0031] The hot stamping die with self-contained temperature measuring system according to the present invention, taking U-shaped parts as an example, the die includes a die mounting plate 8 and a die 10, a punch mounting plate 1 and a punch 12, a punch 12 and a die The cooling pipes 4 are staggeredly laid in the mold 10, and the ends of the cooling pipes 4 are sealed with hexagon socket plugs. The cooling pipes 4 are connected to the distribution tank, one end of the distribution tank is connected to the cooling pipe, and the other end is connected to the water inlet. Sealed to form a smooth cooling circuit.

[0032] The punch 12 is fixed on the punch mounting plate 1, one end of the punch mounting plate 1 is provided with a punch water inlet 14, and the other end is provided with a punch water outlet 18 in the opposite direction, and the punch...

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Abstract

The invention discloses a hot stamping mould with a temperature measuring system. The hot stamping mould comprises a concave mould, a convex mould, a plate support and positioning device, a mould built-in cooling system, a mould built-in temperature measuring system and an external temperature recording device, and is characterized in that: the concave mould and convex mould are provided with a molded surface corresponding to the workpiece shape respectively; cooling pipelines are staggered in the concave mould and convex mould, and connected with a water inlet and a water outlet through a diversion groove; and multiple thermocouples are pre-embedded on specific positions on the surface of the concave mould as well as on the surface and inside of the convex mould, and connected with the multi-channel temperature recording device. The hot stamping mould disclosed by the invention realizes full-period temperature monitoring, can directly judge and predict the product quality according to a temperature curve so as to eliminate unqualified products immediately, shortens the inspection cycle and lowers the production cost.

Description

technical field [0001] The invention relates to the technical field of hot stamping forming, in particular to a hot stamping die, and to a hot stamping die with a temperature measuring system. Background technique [0002] Hot stamping technology is to heat ultra-high-strength steel plate above the austenitization temperature and fully keep it warm, and quickly form it in the forming and quenching integrated mold to obtain high-strength martensitic structure, so as to obtain high forming precision and high strength. Hot Stamping. In the die, the steel plate undergoes deformation and heat treatment at the same time, and the two processes are mutually induced and alternately superimposed, so the hot stamping die is the key to realizing the hot stamping technology. Deformation is guaranteed by mold structure design, and key forming parameters such as plate deformation and thinning can be obtained through mold design and comparative measurement before and after sheet forming; m...

Claims

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Application Information

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IPC IPC(8): B21D37/10B21D37/16B21C51/00
Inventor 单忠德戎文娟姜超许应庄百亮刘萌
Owner ADVANCED MFG TECH CENT CHINA ACAD OF MASCH SCI & TECH
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