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Mould bipartition method for XPS abnormally-shaped section bar decoration strip and used mould

A technology for special-shaped materials and decorative strips, which is applied in the production method of XPS special-shaped material decorative strips and the field of extrusion dies, which can solve problems such as poor moisture resistance, damage to the ecological environment, and high price, and achieve improved production efficiency and simple equipment requirements , the effect of high production efficiency

Pending Publication Date: 2018-12-18
南京法宁格节能科技股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, the line decoration in the house is generally completed with wooden materials and gypsum. The wooden materials are fine and dry, and they are easy to shrink after being damp, resulting in reverse warping and deformation. The installation is troublesome and expensive, and excessive use of wood will damage the ecology. surroundings
The use of gypsum decoration materials has poor sound insulation and impact resistance, poor moisture resistance (gypsum is easy to pulverize), and cannot be recycled

Method used

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  • Mould bipartition method for XPS abnormally-shaped section bar decoration strip and used mould
  • Mould bipartition method for XPS abnormally-shaped section bar decoration strip and used mould
  • Mould bipartition method for XPS abnormally-shaped section bar decoration strip and used mould

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] The method of double-opening the XPS profile decorative strip mold is carried out according to the following steps:

[0031] The first step, prepare raw material nucleating agent and polystyrene, the mass ratio of described nucleating agent and polystyrene is: 1:100;

[0032] In the second step, the raw materials prepared in the first step are sucked into the silo through the suction system of the twin-screw extruder, and then fed into the main machine through the feeding system for extrusion and melting, and the temperature is controlled at 180°C;

[0033] The third step is to inject CO through the blowing agent injection system of the twin-screw extruder 2 , blowing agent CO 2 The injection pressure is kept at 10MPa, the blowing agent CO 2 The mass ratio to the raw materials added to the host is: 1:100, the temperature in the front section of the twin-screw extruder is maintained at 180°C, and the temperature in the back section is intermittently cooled to 100°C;

...

Embodiment 2

[0045] The method of double-opening the XPS profile decorative strip mold is carried out according to the following steps:

[0046] The first step, prepare raw material nucleating agent and polystyrene, the mass ratio of described nucleating agent and polystyrene is: 3:100;

[0047] In the second step, the raw materials prepared in the first step are sucked into the silo through the suction system of the twin-screw extruder, and then fed into the main machine through the feeding system for extrusion and melting, and the temperature is controlled at 210°C;

[0048] The third step is to inject CO through the blowing agent injection system of the twin-screw extruder 2 , blowing agent CO 2 The injection pressure is kept at 18MPa, the blowing agent CO 2 The mass ratio to the raw materials added to the host is: 2:100, the temperature in the front section of the twin-screw extruder is maintained at 210°C, and the temperature in the back section is cooled to 125°C by intermittent co...

Embodiment 3

[0056] The method of double-opening the XPS profile decorative strip mold is carried out according to the following steps:

[0057] The first step, prepare raw material nucleating agent and polystyrene, the mass ratio of described nucleating agent and polystyrene is: 5:100;

[0058] In the second step, the raw materials prepared in the first step are sucked into the silo through the suction system of the twin-screw extruder, and then fed into the main machine through the feeding system for extrusion and melting, and the temperature is controlled at 240°C;

[0059] The third step is to inject CO through the blowing agent injection system of the twin-screw extruder 2 , blowing agent CO 2 The injection pressure is kept at 25MPa, the blowing agent CO 2 The mass ratio to the raw materials added to the host is: 5:100, the temperature in the front section of the twin-screw extruder is maintained at 240°C, and the temperature in the back section is cooled to 150°C by intermittent cool...

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Abstract

The invention discloses a mould bipartition method for an XPS abnormally-shaped section bar decoration strip and a used mould, belongs to the technical field of production methods and extrusion mouldsfor the XPS abnormally-shaped section bar decoration strip, and aims to solve the technical problem about how to improve production efficiency of the XPS abnormally-shaped section bar decoration strip. According to the technical scheme adopted by the invention, the mould bipartition method for the XPS abnormally-shaped section bar decoration strip comprises the following steps of: a first step ofpreparing a raw material nucleating agent and polystyrene; a second step of sucking the raw materials into a stock bin, dropping the raw materials into a main machine to extrude and melt; a third step of injecting CO2; a fourth step of injecting a mould release agent, and shaping through a first shaping sleeve; a fifth step of cutting and separating the raw materials through a cutter, and introducing the raw materials into a second shaping sleeve; a sixth step of cooling through a water-cooling system; and a seventh step of pulling, laminating, knurling, feeding, cutting and packing. The mould used in the method comprises an orifice mould and is characterized in that: an upper orifice mould and a lower orifice mould are matched to form a mould cavity which is a left and right mirror symmetry structure. The mould bipartition method is used for producing the XPS abnormally-shaped section bar decoration strip.

Description

technical field [0001] The invention discloses a method for double-opening molds of XPS profiled material decorative strips and the used molds, and belongs to the technical field of production methods of XPS profiled material decorative strips and extrusion dies. Background technique [0002] At present, the line decoration in the house is generally completed with wooden materials and gypsum. The wooden materials are fine and dry, and they are easy to shrink after being damp, resulting in reverse warping and deformation. The installation is troublesome and expensive, and excessive use of wood will damage the ecology. environment. The use of gypsum decoration materials has poor sound insulation and impact resistance, poor moisture resistance (gypsum is easy to pulverize), and cannot be recycled. XPS profiles decorative strips can replace wood and gypsum, and are a new type of decorative material. Contents of the invention [0003] The present invention overcomes the defic...

Claims

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Application Information

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IPC IPC(8): B29C44/22B29C44/50B29C44/58B29C44/60B29C44/56B29K25/00B29L31/10
CPCB29C44/22B29C44/50B29C44/56B29C44/58B29C44/60B29K2025/06B29L2031/10
Inventor 郭鑫齐张晶
Owner 南京法宁格节能科技股份有限公司
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