One-time reinforcing bar-arranging and rapid forming method of magnesite composite agricultural shed support

A technology of composite materials and agricultural greenhouses, applied in the direction of ceramic molding machines, manufacturing tools, etc., can solve the problems of being unsuitable for large-scale production, low work efficiency, and difficult to form dense slurry, etc., to achieve no honeycomb, dense structure, and smooth surface Effect

Inactive Publication Date: 2010-12-22
NANCHANG UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The work efficiency of these greenhouse support forming methods is very low, which is

Method used

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  • One-time reinforcing bar-arranging and rapid forming method of magnesite composite agricultural shed support
  • One-time reinforcing bar-arranging and rapid forming method of magnesite composite agricultural shed support
  • One-time reinforcing bar-arranging and rapid forming method of magnesite composite agricultural shed support

Examples

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Example Embodiment

[0018] The forming mold can be made of glass fiber reinforced plastic, and its shape is a quarter circle. The inner edge template (1) and the outer edge template (2) are respectively provided with an end plate, the inner edge template (1) and the outer edge template (2) are aligned and positioned by the end plates, and are fixed by 4 tightening clips (3). The six bamboo ribs (6) are inserted and assembled by the stainless steel wire mesh (5) and then installed in the mold (4) at one time, so that the bamboo ribs are evenly distributed in the middle distance of the mold.

[0019] The magnesite composite material composite slurry is poured into the greenhouse support mold equipped with 6 bamboo ribs at one time. The greenhouse support is placed on a 1000mm×4000mm vibrating table, vibrated and compacted and flattened at a temperature of 40℃ and a relative humidity of 65. % Curing room with mold curing for 8h demoulding, after demolding, continue curing at room temperature for 7 days...

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Abstract

The invention relates to a one-time reinforcing bar-arranging and rapid forming method of a magnesite composite agricultural shed support, a forming mold consists of an inner edge mold plate, an outer edge mold plate and tightening clamps, wherein the inner edge mold plate and the outer edge mold plate respectively have end plates, and the inner edge mold plate and the outer edge mold plate are aligned and positioned through the end plates and further fixed by the 3-7 tightening clamps; 4-8 bamboo reinforcing bars are arranged in the mold, interpenetrated and assembled by a stainless steel wire mesh and then mounted in the mold once; and magnesite composite slurry which is well stirred is poured into the mold once, compacted by vibration on a vibration table and then stricken off, curing with the mold is carried out in a curing chamber with the temperature of 40 DEG C and the relative humidity of 60%-70% for 8h, then demolding is carried out, and the curing is continuously carried at room temperature till 7d after the demolding, thereby being put into use. The one-time reinforcing bar-arranging and rapid forming method has high forming efficiency, convenient assembly and disassembly of the mold, smooth surface of a formed product and dense structure.

Description

technical field [0001] The invention belongs to the field of magnesite composite material manufacturing, and relates to a rapid prototyping method for preparing magnesite composite material for agricultural greenhouse supports. Background technique [0002] Magnesite composite agricultural greenhouse support is made of magnesium oxychloride gelling material (prepared with light-burned magnesium oxide and magnesium chloride hexahydrate solution) to add light filler or foaming agent to make the quality lighter, and add modifiers, etc. after stirring The plastic slurry is poured and formed in the mold. In order to improve the bearing capacity of the material, the mold needs to be clothed with glass fiber mesh cloth or bamboo bars for reinforcement. At present, the commonly used preparation method is to use artificial wooden molds, lined with PVC plastic boards as moulds, and the stirred magnesite slurry should be layered with glass fiber mesh cloth or bamboo bars, generally 3 t...

Claims

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Application Information

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IPC IPC(8): B28B1/14B28B1/087
Inventor 黄少文习海平
Owner NANCHANG UNIV
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