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Low temperature pre-heating apparatus

A preheating device and low-temperature technology, which is applied to lamination devices, layered products, lamination, etc., can solve the problems of metal sheet deformation and lower product qualification rate, and achieve the effect of improving the pass rate and avoiding metal sheet deformation

Inactive Publication Date: 2017-05-31
JIANGYIN RAINBOW SPECIAL HEAT EXCHANGE EQUIP
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The traditional sheet metal coating line only uses one high-temperature roller to heat the sheet metal. Because the sheet metal is heated too fast at one time, the sheet metal is deformed, and waves are produced on both sides, which reduces the qualified rate of the product.

Method used

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  • Low temperature pre-heating apparatus

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Embodiment Construction

[0012] see figure 1 , the present invention relates to a low-temperature preheating device, mainly composed of a low-temperature preheating roller 1, the low-temperature preheating roller 1 is installed on the frame 3 before the high-temperature roller 2, so that the metal plate is preheated by the low-temperature preheating roller 1 Then it is heated by the high-temperature roller 2 to prevent deformation of the metal sheet.

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Abstract

The present invention relates to a low temperature pre-heating apparatus, which is characterized by comprising a low temperature pre-heating roller (1) arranged on the rack (3) in front of a high temper roller (2). According to the present invention, by additionally arranging the low temperature pre-heating roller in front of the high temperature roller, when the metal plate passes through the low temperature pre-heating roller, the temperature of the plate is lower than the temperature of the high temperature roller and the temperature of the high temperature roller is the compounding temperature, such that the metal plate deformation and the wave-shaped edges produced on both sides due to the rapid heating in one time can be avoided so as to improve the qualification rate of the product.

Description

technical field [0001] The invention relates to a low-temperature preheating device, in particular to a low-temperature preheating device on a film-coating line for double-sided metal plates. Background technique [0002] The traditional sheet metal lamination line only uses one high-temperature roller to heat the sheet metal. Because the sheet metal is heated too fast at one time, the sheet metal is deformed and there are waves on both sides, which reduces the qualified rate of the product. Contents of the invention [0003] The purpose of the present invention is to overcome the above disadvantages and provide a low-temperature preheating device to avoid deformation of metal plates and improve the qualified rate of products. [0004] The object of the present invention is achieved in the following way: a low-temperature preheating device, which includes a low-temperature preheating roller, and the low-temperature preheating roller is installed on the frame before the hig...

Claims

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Application Information

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IPC IPC(8): B32B37/06
CPCB32B37/06
Inventor 吕江强
Owner JIANGYIN RAINBOW SPECIAL HEAT EXCHANGE EQUIP