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Foaming furnace

A kind of foaming furnace, foaming sheet technology

Inactive Publication Date: 2016-07-13
HUBEI XIANGYUAN NEW MATERIAL TECH INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Since there is no conveying roller in the vertical furnace, it is difficult to avoid the folds of the sheet in it, which makes the foaming incomplete and uniform, which affects the foaming quality of the sheet

Method used

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Embodiment Construction

[0023] In order to have a clearer understanding of the technical features, purposes and effects of the present invention, the specific implementation manners of the present invention will now be described in detail with reference to the accompanying drawings.

[0024] Such as figure 1 As shown, the foaming furnace of an embodiment of the present invention includes a horizontal furnace 1 and a vertical furnace 2 for the foamed sheet 10 to pass through in turn to be heated and foamed, and the vertical furnace 2 is arranged below the horizontal furnace 1; the foamed sheet 10 is uniformly preheated through the horizontal furnace 1 in the horizontal direction, and then enters the vertical furnace 2 in the vertical direction for foaming, so that the foamed sheet 10 is evenly heated, expanded and foamed. The foamed sheet 10 includes a cross-linked polyolefin sheet, and the foaming furnace is used for foaming the cross-linked polyolefin.

[0025] Wherein, the horizontal furnace 1 can...

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Abstract

The invention discloses a foaming furnace which comprises a horizontal furnace and a vertical furnace, wherein a foamed sheet is fed through the horizontal furnace and the vertical furnace in sequence so as to be heated and foamed; the vertical furnace is arranged below the horizontal furnace; the vertical furnace comprises a furnace body of which the inlet is communicated with the outlet of the horizontal furnace, a heating device and an unfolding device; the heating device is arranged inside the furnace body so as to form a heating field through which the foamed sheet passes; the unfolding device comprises at least one pair of unfolding rollers which are arranged inside the furnace body so as to clamp and unfold the foamed sheet, and a sucking mechanism which is arranged at the outlet of the furnace body so as to suck and unfold the foamed sheet. According to the foaming furnace disclosed by the invention, via cooperation between the unfolding rollers and the sucking mechanism inside the vertical furnace, the foamed sheet can be relatively well unfolded and can be relatively completely and uniformly foamed, the product quality can be improved, the production capacity can be increased, and the purpose of energy conservation can be achieved.

Description

technical field [0001] The invention relates to a foaming furnace, in particular to a foaming furnace for cross-linked polyolefin foaming. Background technique [0002] At present, most cross-linked polyolefin foaming furnaces are composed of a horizontal furnace and a vertical furnace, and the entire foaming furnace is in the shape of a square. After unwinding, the cross-linked polyolefin sheet is heated and foamed through the horizontal furnace and the vertical furnace in turn, and finally output and wound from the vertical furnace. [0003] In the existing foaming furnace, the sheet material enters the vertical furnace in a vertical manner from the horizontal furnace under the action of gravity, where it is further heated and foamed. Since the vertical furnace is not equipped with conveying rollers, etc., it is difficult to avoid the folds of the sheet in it, which makes the foaming incomplete and uniform, which affects the foaming quality of the sheet. Contents of the...

Claims

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Application Information

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IPC IPC(8): B29C44/20B29C44/26B29C44/28B29C44/34
CPCB29C44/203B29C44/26B29C44/28B29C44/3415
Inventor 严文杰魏琼
Owner HUBEI XIANGYUAN NEW MATERIAL TECH INC
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