Temperature supplementing method and device for conveying roller way of magnesium or magnesium alloy plate strip

A technology for conveying roller tables and magnesium alloy plates, which is used in length measuring devices, metal rolling, and temperature control.

Pending Publication Date: 2021-01-05
HARBIN INST OF TECH AT WEIHAI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

That is, to solve the problem of temperature difference between the upper and lower surfaces of the magnesium or magnesium alloy plate and strip due to different contact media during the transportation process, and finally improve the plastic processing ability of the magnesium alloy plate and strip

Method used

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  • Temperature supplementing method and device for conveying roller way of magnesium or magnesium alloy plate strip
  • Temperature supplementing method and device for conveying roller way of magnesium or magnesium alloy plate strip
  • Temperature supplementing method and device for conveying roller way of magnesium or magnesium alloy plate strip

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0036] Embodiment 1, a kind of magnesium or magnesium alloy strip conveying roller table warming device

[0037] Such as figure 2 , 3 As shown, the device includes a conveying roller electric heating system and an intelligent control system; the conveying roller electric heating system includes a conveying roller 2 arranged on the conveying roller table frame 1 and an electric heating element 5 located inside the conveying roller; the conveying roller The roller 2 is a hollow roller, and a perforated rotating shaft 4 is arranged inside the roller; the electric heating element 5 is nested in the perforated rotating shaft 4, and the two are connected to the conveying roller 2 through a bearing 3 to form an electric heating conveying roller ( image 3 ); There are multiple electric heating conveying rollers arranged side by side on the conveying roller table frame 1.

[0038] The intelligent control system includes a temperature testing device, a temperature analysis module, a...

Embodiment 2

[0040] Embodiment 2, a kind of magnesium or magnesium alloy plate and strip conveying roller table warming method

[0041] workflow such as figure 1 As shown, the specific method steps are as follows:

[0042] (1) adopt embodiment 1 magnesium or magnesium alloy sheet and strip conveying roller table warming device;

[0043] (2) Place the magnesium or magnesium alloy plate and strip to be processed on the conveying roller table; open the conveying roller table and start the warming device;

[0044] (3) The temperature control system tests the initial temperature of the upper surface and the lower surface of the magnesium or magnesium alloy plate and strip to be processed in real time, and continuously tests the temperature of the upper surface and the lower surface of the plate during the transportation process;

[0045] (4) The temperature analysis module in the temperature control system calculates the temperature difference between the upper surface and the lower surface o...

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PUM

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Abstract

The invention provides a temperature supplementing method and device for a conveying roller way of a magnesium or magnesium alloy plate strip. The invention aims to solve the problem of temperature difference between the upper surface and the lower surface of the magnesium or magnesium alloy plate strip caused by different contact media of the upper surface and the lower surface in the conveying process, and finally the plastic machining capacity of the magnesium alloy plate strip is improved. According to the method, an electric heating conveying roller is adopted, a temperature testing device and a temperature control and feedback system are arranged, the contact environment temperatures of the upper surface and the lower surface of the magnesium or magnesium alloy plate strip are the same in the conveying process by adjusting the temperature of the conveying roller, and the temperature difference between the upper surface and the lower surface of the magnesium or magnesium alloy plate strip is controlled below 5 DEG C in the conveying process on the conveying roller way. According to the method, heat dissipation of the upper surface and the lower surface of the magnesium or magnesium alloy plate strip is consistent in the conveying process, and the purpose of uniform temperature in the thickness direction is achieved; excellent microscopic structures and mechanical properties are obtained after rolling; and the large-scale application of the magnesium or magnesium alloy plate strip in the market can be greatly expanded.

Description

technical field [0001] The invention relates to the technical field of processing magnesium or magnesium alloy plates and strips, in particular to a method and device for replenishing the temperature of a conveying roller table of magnesium or magnesium alloy plates and strips. Background technique [0002] As the lightest metal structural material, magnesium alloy has high specific strength and specific stiffness. It is the most potential lightweight material in the lightweight field and is widely used in many fields such as automobiles, electronics, national defense and aerospace. At present, most magnesium alloy products are mainly die castings. However, due to the characteristics of the casting process, cast magnesium alloys often show problems such as coarse grains, serious structural defects, and unsatisfactory comprehensive mechanical properties, which greatly limit the large-scale application of magnesium alloy products in the market. Different from cast magnesium a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B21B37/74B21B38/00B21B39/02
CPCB21B37/74B21B38/006B21B39/02
Inventor 王文珂陈文振张文丛杨建雷崔国荣
Owner HARBIN INST OF TECH AT WEIHAI
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