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A kind of extrusion process of aluminum alloy building formwork to produce aluminum alloy

A technology of building templates and aluminum alloys, which is applied to the preparation of building components on site, construction, building construction, etc. It can solve the problems of low density of pure aluminum, low tensile strength, yield strength and elongation, and aluminum alloys. Problems such as poor material performance can be achieved to save energy and cost, improve overall efficiency, and use for a long time.

Active Publication Date: 2020-05-12
山东创新精密科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Pure aluminum has low density and low melting point. Aluminum has a face-centered cubic structure, so it has high plasticity and is easy to process. It can be made into various profiles and plates; it has good corrosion resistance; but the strength of pure aluminum is very low, and the annealed state The value of σb is about 8kgf / mm2, so it is not suitable for structural materials. Through long-term production practice and scientific experiments, people gradually strengthen aluminum by adding alloy elements and using heat treatment, which results in a series of aluminum alloys.
[0003] The traditional aluminum alloy preparation generally uses ordinary templates to make heated aluminum alloy materials, and the heated aluminum alloy materials flow through the main body of the template and are placed on an extrusion machine to be extruded into an aluminum alloy main body; Poor, tensile strength, yield strength, elongation, etc. have not achieved good results

Method used

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  • A kind of extrusion process of aluminum alloy building formwork to produce aluminum alloy

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Experimental program
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Effect test

Embodiment 1

[0019] An aluminum alloy building template in this embodiment includes a template body, wherein the template body includes a template base material, a film layer above and below the template base material, and the material of the film layer is polyurethane hot-melt adhesive. There are four die holes with different specifications. There are flow channels outside the die holes, and there are paint layers on the upper film layer and the lower film layer. The material of the paint layer is corrosion-resistant coating.

[0020] The polyurethane hot melt adhesive in this embodiment is an adhesive containing polyisocyanate groups in the molecular chain, and the thickness of the film layer is 300 μm.

[0021] The extrusion process of aluminum alloy construction formwork of this embodiment is produced aluminum alloy, and extrusion process comprises the steps as follows: Make formwork main body; Put aluminum alloy into electric heating furnace and heat into metal flow and preheat formwor...

Embodiment 2

[0023] An aluminum alloy building template in this embodiment includes a template body, wherein the template body includes a template base material, a film layer above and below the template base material, and the material of the film layer is polyurethane hot-melt adhesive. There are four die holes with different specifications. There are flow channels outside the die holes, and there are paint layers on the upper film layer and the lower film layer. The material of the paint layer is corrosion-resistant coating.

[0024] The polyurethane hot melt adhesive in this embodiment is an adhesive containing polyisocyanate groups in the molecular chain, and the thickness of the film layer is 300 μm.

[0025] The aluminum alloy building formwork of this embodiment is an extrusion process for producing aluminum alloys. The extrusion process includes the following steps: making the formwork body, heating the aluminum alloy in an electric heating furnace to form a metal stream, and prehea...

Embodiment 3

[0028] An aluminum alloy building template in this embodiment includes a template body, wherein the template body includes a template base material, a film layer above and below the template base material, and the material of the film layer is polyurethane hot-melt adhesive. There are four die holes with different specifications. There are flow channels outside the die holes, and there are paint layers on the upper film layer and the lower film layer. The material of the paint layer is corrosion-resistant coating.

[0029] The polyurethane hot melt adhesive in this embodiment is an adhesive containing polyisocyanate groups in the molecular chain, and the thickness of the film layer is 300 μm.

[0030] The extrusion process of aluminum alloy construction formwork of this embodiment is produced aluminum alloy, and extrusion process comprises the steps as follows: make formwork main body, put aluminum alloy into electric heating furnace and heat into metal material flow and prehea...

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Abstract

The invention discloses an aluminum alloy building template and an extrusion process, belonging to the technical field of aluminum alloy building materials. The aluminum alloy building template comprises a template main body which comprises a template base material and a film layer, wherein the film layer is produced from a polyurethane hot melting adhesive, a mold hole is formed in the template base material, a runner is formed outside the mold hole, coating layers are arranged on an upper film layer and a lower film layer and are corrosion-resistant coating layers. The extrusion process comprises the following steps: producing the template main body, heating aluminum alloy, preheating the template, enabling heated metal material flow to flow through the aluminum alloy template main bodyto form an aluminum alloy rudiment, extruding the aluminum alloy rudiment, and cooling and polishing an aluminum alloy main body. The aluminum alloy building template has the beneficial effects that firm bonding of building templates of aluminum alloy building materials is promoted by virtue of the film layer of the polyurethane hot melting adhesive, the aluminum alloy materials of different specifications are simultaneously produced by virtue of the film hole, the corrosion resistance of the aluminum alloy building template is improved by virtue of the corrosion-resistant coating layers, andrequired aluminum alloy is effectively prepared by virtue of an extrusion craft process, so that the overall efficiency is increased.

Description

technical field [0001] The invention discloses an aluminum alloy building formwork and an extrusion process, belonging to the technical field of aluminum alloy building materials. Background technique [0002] Pure aluminum has low density and low melting point. Aluminum has a face-centered cubic structure, so it has high plasticity and is easy to process. It can be made into various profiles and plates; it has good corrosion resistance; but the strength of pure aluminum is very low, and the annealed state The value of σb is about 8kgf / mm2, so it is not suitable for structural materials. Through long-term production practice and scientific experiments, people gradually strengthen aluminum by adding alloy elements and using heat treatment, which results in a series of aluminum alloys. [0003] The traditional aluminum alloy preparation generally uses ordinary templates to make heated aluminum alloy materials, and the heated aluminum alloy materials flow through the main body ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E04G9/06B21C23/00
CPCB21C23/00E04G9/06
Inventor 崔立新赵晓光成凯马维红
Owner 山东创新精密科技有限公司
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