Vacuum cylinder for producing cystosepiment

A sheet production and vacuum cylinder technology, which is applied to the field of vacuum cylinders for foam sheet production, can solve the problems that foam sheet products cannot be fully and effectively foamed, affect the thermal insulation performance of products, and the density of foam sheets is high, and achieves low density and high cell size. Uniform density and high yield

Inactive Publication Date: 2007-02-07
南京法宁格挤塑保温隔热板有限公司
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AI Technical Summary

Problems solved by technology

[0002] At present, thermoplastic foam sheets are produced under normal pressure, foam sheet products cannot be fully and effectively foamed, and the density of foam sheets is high, resulting in high production costs
Moreover, the skin and internal cells of foamed sheet products are not uniform, which affects the thermal insulation performance of the product.

Method used

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  • Vacuum cylinder for producing cystosepiment
  • Vacuum cylinder for producing cystosepiment

Examples

Experimental program
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Embodiment Construction

[0010] With reference to accompanying drawing 1~2, the structure of the vacuum cylinder used for foam board production comprises vacuum cylinder 4, conveyer belt 3, support column 8, water tank 9, conveyer belt 3 is arranged in the vacuum cylinder 4, and support column 8 is housed in the vacuum cylinder 4 bottom, The vacuum cylinder 4 is obliquely installed on the support column 8, the height difference between the high position and the low position is 2-10 meters, the upper part of the vacuum cylinder 4 is provided with a vacuum suction port 5, the vacuum suction port 5 is connected with the vacuum pump, and the lower part of the vacuum cylinder 4 is equipped with a water tank 9 , the vacuum cylinder 4 communicates with the water tank 9, a water seal baffle 2 is provided in the low vacuum cylinder 4, a vacuum sealing plate 6 is installed at the high end of the vacuum cylinder 4, the high position of the vacuum cylinder 4 is the entrance of the foaming plate, and the low positio...

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Abstract

The invention relates to a vacuum cylinder which can be used to produce the thermal plastic foam sheet as polyethylene, polyphenylacetylene, etc, wherein it comprises: a vacuum cylinder, a transmit band, a support column, and a water groove; said vacyym cylinder contains transmit band, while its lower part has support column; said cylinder is inclined mounted on the support column, while its upper part has vacuum exhaust open through to the vacuum pump; the lower part of cylinder has a water groove with water baffle plate; the high end of cylinder has vacuum sealing plate; and the high part of vacuum cylinder ahs the foaming sheet inlet, while its lower part has the foaming sheet outlet; the difference between the high and lower parts is 2-10m; and the diameter of said vacuum cylinder is 1-4m.

Description

technical field [0001] The invention relates to a vacuum cylinder for production of foam boards, which relates to a vacuum cylinder for production of thermoplastic foam boards such as polyethylene, polystyrene, polypropylene and polyvinyl chloride. Background technique [0002] At present, thermoplastic foam boards are produced under normal pressure, foam board products cannot be fully and effectively foamed, and the density of foam boards is high, resulting in high production costs. Moreover, the skin and internal cells of the foamed sheet products are not uniform, which affects the thermal insulation performance of the product. Contents of the invention [0003] The object of the present invention is to provide a vacuum cylinder for foam sheet production in view of the above disadvantages. Due to the use of a vacuum cylinder device, the foaming agent sheet coming out of the foam sheet forming mold can be foamed under negative pressure in the vacuum cylinder. The foam ra...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B29C47/08B29C47/88B29C47/14B29C48/305
Inventor 郭鑫齐
Owner 南京法宁格挤塑保温隔热板有限公司
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