Method for manufacturing wood plastic sheet layered entity component based on ultrasonic welding

An ultrasonic welding and layered solid technology, which is applied to the manufacturing field of wood-plastic sheet layered solid components, can solve the problems of difficulty in realizing large-scale complex process parts without mold manufacturing, and the thickness of wood-plastic materials is large, and achieves low cost and high efficiency. , the effect of a wide range of sources

Inactive Publication Date: 2015-04-22
NORTHEAST FORESTRY UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The present invention aims to solve the problem that the traditional manufacturing process of wood-plastic composite materials is difficult to realize the moldless manufacturing of large and complex process parts (models) and the existing wood-plastic materials have a large thickness, and provides a wood-plastic sheet separation method based on ultrasonic welding. Manufacturing method of layer solid member

Method used

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Examples

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Effect test

specific Embodiment approach 1

[0017] Specific embodiment one: a kind of manufacturing method of the wood-plastic sheet layered solid component based on ultrasonic welding of the present embodiment is carried out according to the following steps:

[0018] 1. Weigh 45 to 55 parts of dried wood powder, 40 to 50 parts of polyethylene, 1 to 3 parts of maleic anhydride grafted polyethylene and 1 to 3 parts of PE wax according to the parts by mass, and then pass through a high-speed mixer Mix evenly to obtain the wood-plastic composite material blend;

[0019] 2. Put the wood-plastic composite material blend obtained in step 1 into a double-stage plastic extruder and extrude to obtain a molten wood-plastic composite material;

[0020] 3. With the assistance of the thickness gauge, the molten wood-plastic composite material obtained in step 2 is firstly hot-pressed by a hot press and then cold-pressed to obtain a wood-plastic sheet with a thickness of 0.5 mm to 0.8 mm;

[0021] 4. Construct a three-dimensional da...

specific Embodiment approach 2

[0026] Specific embodiment two: the difference between this embodiment and specific embodiment one is: in step one, take by weight 50 parts of dry wood flour, 46 parts of polyethylene, 2 parts of maleic anhydride grafted polyethylene and 2 parts by mass. Parts of PE wax, then mix well. Other steps and parameters are the same as those in the first embodiment.

specific Embodiment approach 3

[0027] Specific embodiment 3: The difference between this embodiment and specific embodiment 1 or 2 is that: the parameters of the uniform mixing by the high-speed mixer described in step 1 are: the rotating speed is 300r / min-480r / min. Other steps and parameters are the same as those in Embodiment 1 or 2.

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Abstract

The invention relates to a method for manufacturing a wood plastic sheet layered entity component based on ultrasonic welding. The invention relates to a rapid moulding technology for manufacturing layered entity, and concretely relates to the method for manufacturing the wood plastic sheet layered entity component based on ultrasonic welding. The method solves the problems that patternless manufacturing of large-scale complex parts (models) can be difficultly realized by a traditional manufacturing process and the thickness of the current wood plastic material is large. The method comprises the following steps: uniformly mixing dried wood powder, polyethylene plastic and other auxiliary agents according to proportion by a high-speed feed mixer, extruding through a double stage plastic extruding machine, directly calendering the extruding molten state material without cooling through a ZS-406E electric vulcanizing machine to sheets, then using a laser cutting machine for cutting to an assigned shape according to a CAD driving model, and finally using an ultrasonic welding machine for welding the wood plastic sheets layer by layer according to a rapid moulding mechanism of a three-dimensional model.

Description

technical field [0001] The invention relates to a rapid prototyping process for manufacturing a layered entity, in particular to a method for manufacturing a layered entity component of a wood-plastic sheet based on ultrasonic welding. Background technique [0002] Wood-plastic composite material is a new type of composite material made of plant fiber and high molecular polymer. This new type of material combines the dual advantages of wood fiber materials and polymer materials. It has the characteristics of good mechanical properties, high surface hardness, excellent thermal scalability, water resistance, and wear resistance. The processing methods are diverse, flexible, wide in source and low in cost. [0003] Ultrasonic welding is a method of using ultrasonic high-frequency oscillation to locally heat and clean the surface of the weldment joints, and then apply pressure to achieve welding. Ultrasonic welding does not require an external heat source, is not constrained b...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B29C69/00B29C65/08B29C47/00B29C51/00
Inventor 赵辉刘芬芬王清文王天琪王伟宏王海刚
Owner NORTHEAST FORESTRY UNIVERSITY
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