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PVC floor and production line and preparation method thereof

A production line and floor technology, applied in the field of floor manufacturing, can solve the problems of long mixing time period, poor plasticizing effect, large waste of energy, etc., and achieve the effect of good plasticizing effect, continuous and efficient production, and high degree of automation.

Pending Publication Date: 2022-01-14
WUXI BOYU PLASTIC MACHINERY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Existing PVC floor production is first stirred with a high-speed mixer to a high temperature of about 120°C during the extrusion stage, and then discharged into the cooling mixer to cool, and the conical twin-screw extruder with good shear force is used for forced plasticization. It wastes a lot of energy. It needs to be heated for about 20-40 minutes, cooled at high temperature, and then discharged into an extruder heated to 190-200°C for plasticization and extruded into boards.
The material is heated to 120-135°C by a high-speed mixer, and then cooled to about 50°C by a cooling mixer. There is a temperature difference of 70-85°C in the middle. This method has high energy consumption, and the mixing time period is long, and the mixing cost is high.
Furthermore, the material is plasticized only by forced shearing and frictional heat generation by the screw of the extruder. For hard PVC products that do not contain plasticizers, the plasticization effect is not good.

Method used

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  • PVC floor and production line and preparation method thereof
  • PVC floor and production line and preparation method thereof
  • PVC floor and production line and preparation method thereof

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Embodiment Construction

[0034] Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary only for explaining the present invention and should not be construed as limiting the present invention.

[0035] refer to Figure 1-2, a PVC floor production line, a feeding system, a banburying extrusion device 200, a five-roll calender 300, a cooling device 400, a tractor 500, a cutting machine 600 and an automatic plate lifting machine 700 are arranged in sequence along the material conveying direction, The top of the five-roll calender 300 is provided with a film material unwinding mechanism 800, and a feeding track 900 is provided between the five-roll calender 300, the cooling device 400, the tractor 500 and the cutting machine 600; th...

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Abstract

The invention discloses a PVC floor and a production line and a preparation method thereof. The production line comprises a feeding system, a banburying and extruding device, a calendaring and laminating device, a cooling device, a traction machine and a cutting machine which are sequentially arranged in the material conveying direction, and the banburying and extruding device comprises a banburying mechanism, an extruding mechanism and a hopper. According to the production line of the invention, materials are rapidly dispersed and plasticized through a banburying section of the banburying and extruding device, the plasticized materials directly enter an extruding section through the hopper to be extruded and formed, the plasticizing effect is good, the problem that the plasticizing effect is poor due to the fact that a traditional extruder forcibly plasticizes PVC hard products without plasticizers is solved, and the materials are directly extruded after being plasticized without passing through a high-speed mixer, so that the mixing and extruding time of the materials is shortened, the energy consumption is reduced, and the use amounts of a stabilizer, an internal lubricant and an external lubricant in a raw material formula are reduced.

Description

technical field [0001] The invention relates to the technical field of floor manufacturing, in particular to a PVC floor and its production line and preparation method. Background technique [0002] Existing PVC floor production is first stirred with a high-speed mixer to a high temperature of about 120°C during the extrusion stage, and then discharged into the cooling mixer to cool, and the conical twin-screw extruder with good shear force is used for forced plasticization. It wastes a lot of energy. It needs to be heated for about 20-40 minutes, cooled at high temperature, and then discharged into an extruder heated to 190-200°C to be plasticized and extruded into a board. The material is heated to 120-135°C by a high-speed mixer, and then cooled to about 50°C by a cooling mixer. There is a temperature difference of 70-85°C in the middle. This method has high energy consumption, and the mixing time period is long, and the mixing cost is high. . Furthermore, the material ...

Claims

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Application Information

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IPC IPC(8): B29D7/01B29B7/20
CPCB29D7/01B29B7/20
Inventor 陆钉毅
Owner WUXI BOYU PLASTIC MACHINERY
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