Production process of aluminum-plastic plate

Abstract

The invention discloses a production process of an aluminum-plastic plate. The process comprises mixing and stirring, extrusion molding, degreasing treatment, formation treatment, coating treatment, compounding treatment and trimming treatment. A non-halogen flame retardant and a defoaming agent are added in the preparation process of a plastic core plate; the heat and burning resistant properties of an aluminum-plastic plate part can be greatly increased by the non-halogen flame retardant; the surface smooth finish of the prepared plastic core plate can be higher by adding the defoaming agent; the plastic core plate is prevented from generating bubbles in the preparation process; the quality of the produced aluminum-plastic plate part is effectively improved; blank extruded through an extruder barrel flows into a wedge-shaped material guiding cavity, and falls into a preforming compressing device through a strip-shaped outlet of the wedge-shaped material guiding cavity; the preformed compressing device extrudes the inner blank into a plate-like structure by a water-cooling pressing roller I and a water-cooling pressing roller II; then the preliminarily molded plastic core plate is introduced into a subsequent water-cooling pressing roller to perform the extrusion shaping to obtain the plastic core plate; the phenomena of bending cracking and the like which easily appear in the one-step shaping process of the plastic core plate are avoided.

Description

technical field [0001] The invention belongs to the technical field of aluminum-plastic panel production, in particular to an aluminum-plastic panel production process. Background technique [0002] As a modern, colorful, lightweight and durable new decorative material, aluminum-plastic panel is rapidly entering our lives. It has been widely used in various architectural decorations, such as ceilings, columns, counters, furniture , telephone booths, elevators, storefronts, billboards, dust-proof room wall materials, factory building wall materials, etc., have become the representative of metal curtain walls among the three major curtain walls (natural stone, glass curtain wall, metal curtain wall). The aluminum-plastic panel is made of aluminum foil plate as the surface layer and polyethylene plastic plate as the core layer, which is processed and compounded through a series of processes. [0003] The Chinese invention patent application document with the patent number CN10...

AI Technical Summary

Problems solved by technology

[0005] The plastic core board is compounded by various components and raw materials. The tensile strength is not high, the toughness is not strong, the surface smoothness is insufficient and the surface is prone to spots, which seriously affects the production quality of aluminum-plastic panels. Due to long-term use, aluminum-plastic panels The parts are prone to cracking, the service life is short, and the production cost is increased;

[0006] Although the aluminum-plastic panel on its surface has certain oxidation resistance, the aluminum-plastic panel layer is not durable if it is exposed to high-temperature environments or corrosive substances;

[0007] The existing aluminum-plastic panels have certain deficiencies in the production process, such as relatively low production efficiency, the extruded billet is not uniform and small, and the components in the raw materials are unevenly mixed. The plastic core board is prone to bending and cracking during the shaping process, which brings inconvenience to the staff and increases labor intensity

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