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Highly filled wood-plastic composite material rolling granulating device

A technology of wood-plastic composite material and granulation device, which is applied in the field of high-filling wood-plastic composite material rolling granulation device, can solve the problems of spraying material, easy breaking of strips, poor fluidity, etc., and achieves uniform texture and high production efficiency. , the effect of low moisture content

Inactive Publication Date: 2020-04-21
HUNAN UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The present invention provides a high-filling wood-plastic composite material rolling granulation device for the poor fluidity of the high-filling wood-plastic composite material, the easy breakage of the material strip in the extrusion granulation process, and the problems of spraying.

Method used

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  • Highly filled wood-plastic composite material rolling granulating device
  • Highly filled wood-plastic composite material rolling granulating device

Examples

Experimental program
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Effect test

Embodiment 1

[0018] Such as figure 1 , 2 As shown, a high-filling wood-plastic composite material rolling granulation device includes an extruder 1, a screw 2, a pressure roller 3, a granulation roller 4, a granulation hole 5, a limit shoulder 6, a piston 7, and a spring 8 , positioning rod 9, limit nut 10. The extruder 1 and the screw 2 form a feeding and extruding mechanism, and the pressure roller 3 and the granulating roller 4 form a rolling and granulating mechanism, and the feeding and extruding mechanism is arranged on the upper front of the rolling and granulating mechanism.

[0019] The head of the extruder 1 is an open structure. The pressure roller 3 and the granulation roller 4 are tangent and move towards each other at the same speed at the same speed; the surface of the granulation roller 4 is provided with a number of granulation 5 holes, the granulation holes 5 are cylindrical, and the inside of the granulation holes 5 are set in sequence The shoulder 6 is connected to t...

Embodiment 2

[0021] This example discloses the working principle of the high-filling wood-plastic composite material rolling granulation device:

[0022] After the high-fill wood-plastic composite material is kneaded by the extruder 1, under the conveying action of the screw 2, the melt of the composite material enters the V-shaped space between the pressing roller 3 and the granulating roller 4, because it is an open structure, the melt in the melt Most of the moisture can be evaporated naturally.

[0023] Under the extrusion action of the pressure roller 3 and the granulation roller 4, the composite material melt squeezes the piston 7 in the granulation hole 5, so that the piston 7 in the granulation hole 5 pushes the spring 8 to move inward, and the material enters the granulation Hole 5.

[0024] With the placement of the granulation roller 4, when the granulation hole 5 exceeds the extrusion of the pressure roller 3, the piston 7 pushes the melt in the granulation hole 5 outward unde...

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Abstract

The invention discloses a highly filled wood-plastic composite material rolling granulating device, and belongs to the technical field of wood-plastic composite material processing. The highly filledwood-plastic composite material rolling granulating device comprises a feeding extruding mechanism and a rolling granulating mechanism; the feeding extruding mechanism is arranged on the upper front part of the rolling granulating mechanism, and comprises an extruder; screws are arranged in the extruder; and the rolling granulating mechanism comprises a press roll and a granulating roll. Accordingto the highly filled wood-plastic composite material rolling granulating device, a parallel twin screw extruder is utilized for mixing and extruding; double dual-rolls are adopted for extruding and granulating without configuring a granulating die head; and rolling granulating of a highly filled wood-plastic composite material is realized in virtue of openings in roll surfaces and an automatic ejection device. The device is suitable for preparing highly filled wood-plastic composite material granules, so that the granules are uniform in texture, high in production efficiency, free from dust,low in moisture content, stable in quality and low in material oxidative degradation rate.

Description

technical field [0001] The invention relates to the technical field of processing devices for wood-plastic composite materials, and more particularly, relates to a rolling granulation device for highly filled wood-plastic composite materials. Background technique [0002] Wood-plastic composite material is a new type of composite material that makes full use of agricultural and forestry waste and plastic recycled materials to prepare a dual performance of plastic processing performance and wood texture. As the main raw material of wood-plastic composites, the content of plant fibers is usually as high as 50%. The addition of high-content plant fibers changes the rheological behavior of the resin matrix, resulting in increased viscosity, poor fluidity, and difficult processing. For the production of wood-plastic composite materials for profiles, the plant fiber content is usually as high as 60%. The traditional process mostly uses parallel twin-screw extruders to blend and pl...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B29B9/10
CPCB29B9/10
Inventor 曾广胜江太君陈一孟聪胡灿尹琛刘水长
Owner HUNAN UNIV OF TECH