CN110271159A - 一种墙板的制造方法 - Google Patents

一种墙板的制造方法 Download PDF

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CN110271159A
CN110271159A CN201910446238.XA CN201910446238A CN110271159A CN 110271159 A CN110271159 A CN 110271159A CN 201910446238 A CN201910446238 A CN 201910446238A CN 110271159 A CN110271159 A CN 110271159A
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parts
wallboard
manufacturing
washing powder
original washing
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薛理德
陈黎星
李国民
李基安
戴永顺
林为亮
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FUJIAN XIANGLONG PLASTIC Co Ltd
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FUJIAN XIANGLONG PLASTIC Co Ltd
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    • C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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Abstract

本发明涉及一种墙板的制造方法，其包括如下步骤：将8型PVC粉、轻质碳酸钙、重钙、稳定剂、发泡剂、发泡调节剂、润滑剂、加工助剂、增韧剂和竹木纤维粉按科学比例混合形成基粉；对基粉进行高速搅拌至120度，而后冷却至常温；将冷却后的基粉在挤出机高温高压熔融作用下，塑化成粘流态后挤入模具成型，得到毛坯体；在牵引机牵引力作用下将毛坯体送入真空定径模进行冷却并定型，即得半成品墙板；根据不同长度对半成品墙板进行无屑切割，对切割后的墙板进行表面覆膜，即得成品。本发明的墙板的制造方法，工艺简单，且生产出来的墙板强度高，便于运输。

Description

一种墙板的制造方法
技术领域
本发明涉及建材领域，尤其涉及一种墙板的制造方法。
背景技术
随着建筑工程技术的不断进步，复合隔墙板已经在工程实践中得到应用。这种复合隔墙板具有多方面的优点：占用空间小，抗冲击强度高，隔热保温性能好，隔音效果好。
现有技术中，用于生产墙板的生产方法均采用模具成型的方式，大多耗费较多人力在模具车的周转工序中，且模具结构复杂，耗人耗成本。
发明内容
(一)要解决的技术问题
为了解决现有技术的上述问题，本发明提供一种墙板的制造方法，其工艺简单，且生产出来的墙板强度高，便于运输。
(二)技术方案
为了达到上述目的，本发明采用的主要技术方案包括：
一种墙板的制造方法，其包括如下步骤：
将8型PVC粉、轻质碳酸钙、重钙、稳定剂、发泡剂、发泡调节剂、润滑剂、加工助剂、增韧剂和竹木粉混合形成基粉；
对基粉进行搅拌至120度，而后将基粉冷却至45度；
将冷却后的基粉在挤出机高温高压熔融作用下，塑化成粘流态后挤入模具成型，得到毛坯体；
在牵引机牵引力作用下将毛坯体送入真空定径模进行冷却并定型，即得半成品墙板；
根据不同长度对半成品墙板进行无屑切割，对切割后的墙板进行表面覆膜，即得成品。
较佳的，所述基粉由以下重量份的原料组成：80-120份的8型PVC粉、60-90份的轻质碳酸钙、20-30份的重钙、4-7份的稳定剂、1-2份的发泡剂、5-8份的发泡调节剂、0.5-2份的润滑剂、1-3份的加工助剂、2-6份的增韧剂和6-10份的竹木粉。
较佳的，所述基粉由以下重量份的原料组成：100份的8型PVC粉、75份的轻质碳酸钙、25份的重钙、5.2份的稳定剂、1.3份的发泡剂、6.5份的发泡调节剂、1.5份的润滑剂、2份的加工助剂、4份的增韧剂和8份的竹木粉。
进一步地，所述真空定径模的真空度为-0.09MPa，在真空定径模夹层内通入冷却水，冷却水的流量为8-12t/h，冷却水的温度为30-35度。
进一步地，所述挤出机为双螺杆挤出机，机筒温度为4区，机筒温度由低到高分布，具体为：1区165℃，2区170℃，3区180℃，4区185℃，合流芯温度为165℃；
模头温度为8区，8区的模头温度均为175℃，主机转速12-18r/min，喂料转速6-10r/min，主机电流40-48A，熔压10-15MPa。
其中，所述覆膜过程为：在墙板表面通过PUR热熔胶贴PVC膜，PUR热熔胶要加热至120℃，涂胶量为每平方米40克。
较佳的，所述牵引机为履带式牵引机。
(三)有益效果
本发明的有益效果是：工艺简单，且生产出来的墙板强度高，便于运输，成型速度快，生产效率高，墙板的强度高；本发明采用竹木粉可以使墙板更具有韧性。
具体实施方式
为了更好的解释本发明，以便于理解，下面通过具体实施方式，对本发明作详细描述。
本发明一个实施例的墙板的制造方法，其包括：
一种墙板的制造方法，其包括如下步骤：
将8型PVC粉、轻质碳酸钙、重钙、稳定剂、发泡剂、发泡调节剂、润滑剂、加工助剂、增韧剂和竹木粉混合形成基粉；
对基粉进行高速搅拌至120度，而后将基粉冷却至45度；
将冷却后的基粉在挤出机高温高压熔融作用下，塑化成粘流态后挤入模具成型，得到毛坯体；
在牵引机牵引力作用下将毛坯体送入真空定径模进行冷却并定型，即得半成品墙板；
根据不同长度对半成品墙板进行无屑切割，对切割后的墙板进行表面覆膜，即得成品。
其中，所述基粉由以下重量份的原料组成：80-120份的8型PVC粉、60-90份的轻质碳酸钙、20-30份的重钙、4-7份的稳定剂、1-2份的发泡剂、5-8份的发泡调节剂、0.5-2份的润滑剂、1-3份的加工助剂、2-6份的增韧剂和6-10份的竹木粉。
较佳的，所述基粉由以下重量份的原料组成：100份的8型PVC粉、75份的轻质碳酸钙、25份的重钙、5.2份的稳定剂、1.3份的发泡剂、6.5份的发泡调节剂、1.5份的润滑剂、2份的加工助剂、4份的增韧剂和8份的竹木粉，竹木粉为了减轻产品重量和增加强度。
进一步地，所述真空定径模的真空度为-0.09MPa，在真空定径模内通入冷却水，冷却水的流量为8-12t/h，冷却水的温度为30-35度。
进一步地，所述挤出机为双螺杆挤出机，机筒温度为4区，机筒温度由低到高分布，具体为：1区165℃，2区170℃，3区180℃，4区185℃，合流芯温度为165℃；
模头温度为8区，8区的模头温度均为175℃，主机转速12-18r/min，喂料转速6-10r/min，主机电流40-48A，熔压10-15MPa。
机筒温度从低到高，可以避免原料发泡后产生的气体从排气口溢出，减少发泡剂的用量；模头温度相对较低，可以避免原料粘在模头内部，延长生产周期。
其中，所述覆膜过程为：在墙板表面通过PUR热熔胶贴PVC膜，PUR热熔胶要加热至120℃，涂胶量为每平方米40克，使得PVC膜能够与墙板表面粘合牢固，又不造成浪费。
较佳的，所述牵引机为履带式牵引机，牵引力大，牵引机的胶块与板材大面积接触。
综上所述，本发明的墙板的制造方法，工艺简单，且生产出来的墙板强度高，便于运输，成型速度快，生产效率高，墙板的强度高；本发明采用竹木粉可以使墙板更具有韧性。

Claims (7)

1.一种墙板的制造方法，其特征在于，其包括如下步骤：
将8型PVC粉、轻质碳酸钙、重钙、稳定剂、发泡剂、发泡调节剂、润滑剂、加工助剂、增韧剂和竹木纤维粉混合形成基粉；
对基粉进行搅拌至120度，而后将基粉冷却至45度；
将冷却后的基粉在挤出机高温高压熔融作用下，塑化成粘流态后挤入模具成型，得到毛坯体；
在牵引机牵引力作用下将毛坯体送入真空定径模进行冷却并定型，即得半成品墙板；
根据不同长度对半成品墙板进行无屑切割，对切割后的墙板进行表面覆膜，即得成品。
2.如权利要求1所述的一种墙板的制造方法，其特征在于：所述基粉由以下重量份的原料组成：80-120份的8型PVC粉、60-90份的轻质碳酸钙、20-30份的重钙、4-7份的稳定剂、1-2份的发泡剂、5-8份的发泡调节剂、0.5-2份的润滑剂、1-3份的加工助剂、2-6份的增韧剂和6-10份的竹木粉。
3.如权利要求1所述的一种墙板的制造方法，其特征在于：所述基粉由以下重量份的原料组成：100份的8型PVC粉、75份的轻质碳酸钙、25份的重钙、5.2份的稳定剂、1.3份的发泡剂、6.5份的发泡调节剂、1.5份的润滑剂、2份的加工助剂、4份的增韧剂和8份的竹木粉。
4.如权利要求1所述的一种墙板的制造方法，其特征在于：所述真空定径模的真空度为-0.09MPa，在真空定径模夹层内通入冷却水，冷却水的流量为8-12t/h，冷却水的温度为30-35度。
5.如权利要求1所述的一种墙板的制造方法，其特征在于：所述挤出机为双螺杆挤出机，机筒温度为4区，机筒温度由低到高分布，具体为：1区165℃，2区170℃，3区180℃，4区185℃，合流芯温度为165℃；
模头温度为8区，8区的模头温度均为175℃，主机转速12-18r/min，喂料转速6-10r/min，主机电流40-48A，熔压10-15MPa。
6.如权利要求1所述的一种墙板的制造方法，其特征在于：所述覆膜过程为：在墙板表面通过PUR热熔胶贴PVC膜，PUR热熔胶要加热至120℃，涂胶量为每平方米40克。
7.如权利要求1所述的一种墙板的制造方法，其特征在于：所述牵引机为履带式牵引机。
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