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Making process of mold composite material tray

A technology of composite materials and manufacturing methods, which is applied in the field of composite material tray manufacturing, can solve the problems of plastic trays such as easy deformation, poor durability, and self-heavyness, and achieve the effect of overcoming perishable deterioration, easy deformation, and self-heaviness

Inactive Publication Date: 2005-04-27
山东伟佳玻璃钢制品有限公司
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  • Abstract
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Problems solved by technology

[0006] This kind of composite pallet has the dual advantages of both wooden pallets and all-plastic pallets, and its performance indicators are comparable to those of hardwood products. It can bear static load, dynamic load, and impact. The price-performance ratio is obviously better than other plastic or wooden products. It is not only different from iron pallets, which are easy to rust, corrode, and heavy, but also overcomes the deformation of plastic pallets. , easy aging, high temperature creep, cold brittleness and other defects, and overcome the characteristics of wooden pallets that are easy to rot and deteriorate, poor durability, easy to breed various bacteria, and not resistant to acids and alkalis. Wooden pallets are generally not suitable for medicine, food and Important industrial fields such as chemical industry

Method used

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  • Making process of mold composite material tray
  • Making process of mold composite material tray

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Embodiment Construction

[0010] Such as figure 1 As shown, under the process conditions of molding temperature 80-140°C, pressure 200-500 tons, and holding time 2-6 minutes, plastics, wood chips, glass fibers, and polymer additives are measured from the stocker 1 through the weighing device 2, Enter the homogenizer 3 and the screw extruder 4 for further mixing and homogenization to form a uniform mixture, then measure 5, enter the mold 6 to lay layers, and press 7 for hot pressing, demoulding and trimming to form a product 8 (shape Such as figure 2 shown).

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Abstract

The molded composite material tray of the present invention is produced with natural material, non-alkali glass fiber, plastic and other organic polymer. It is produced through molding, and during the production, plastic, wood dust, glass fiber and polymer additive are mixed homogeneously in material mixer and screw extruder, weighed, molded in mold and pressed with press. The tray has the advantages of light weight, high strength, high temperature resistance, high toughness, high corrosion resistance, etc. and may be used widely.

Description

1. Technical field [0001] The present invention relates to the field of composite materials, and further relates to one-time molding of natural fibers (wheat straw, rice straw, chaff, broken branches, etc.), non-alkali glass fibers and plastics (PE, PP, PVC, etc.) and other organic polymer substances. A method of manufacturing a finished composite pallet. 2. Background technology [0002] Currently commonly used pallets are made of wood, metal, plastic, fiberglass and other materials. Due to the material itself, they have many shortcomings that are difficult to overcome: wooden pallets need to be fumigated and sterilized for export, and steel pallets have poor corrosion resistance. Plastic trays are less rigid, and FRP trays face problems such as difficulty in recycling. [0003] Plastic and wood fibers (or natural fibers such as rice husk, wheat straw, corn stalks, peanut shells, etc.) are added with a small amount of chemical additives and fillers, and processed by specia...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B29C43/02
Inventor 张志法张瑞跃原德君戚德海
Owner 山东伟佳玻璃钢制品有限公司
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