CN106079163B - 一种汽车内饰件边角料模压制品的制备方法 - Google Patents

一种汽车内饰件边角料模压制品的制备方法 Download PDF

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CN106079163B
CN106079163B CN201610480816.8A CN201610480816A CN106079163B CN 106079163 B CN106079163 B CN 106079163B CN 201610480816 A CN201610480816 A CN 201610480816A CN 106079163 B CN106079163 B CN 106079163B
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molded article
automotive upholstery
leftover pieces
heating
preparation
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CN106079163A (zh
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金平
金一平
陈子蛟
程太品
雷飞
夏洪涛
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NINGBO HUAYE MATERIAL TECHNOLOGY Co Ltd
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NINGBO HUAYE MATERIAL TECHNOLOGY Co Ltd
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B17/00—Recovery of plastics or other constituents of waste material containing plastics
    • B29B17/04—Disintegrating plastics, e.g. by milling
    • B29B17/0412—Disintegrating plastics, e.g. by milling to large particles, e.g. beads, granules, flakes, slices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B17/00—Recovery of plastics or other constituents of waste material containing plastics
    • B29B17/0026—Recovery of plastics or other constituents of waste material containing plastics by agglomeration or compacting
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C33/00—Moulds or cores; Details thereof or accessories therefor
    • B29C33/56—Coatings, e.g. enameled or galvanised; Releasing, lubricating or separating agents
    • B29C33/68—Release sheets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
    • B29C43/003—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor characterised by the choice of material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
    • B29C43/02—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
    • B29C43/32—Component parts, details or accessories; Auxiliary operations
    • B29C43/36—Moulds for making articles of definite length, i.e. discrete articles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
    • B29C43/32—Component parts, details or accessories; Auxiliary operations
    • B29C43/52—Heating or cooling
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
    • B29C43/32—Component parts, details or accessories; Auxiliary operations
    • B29C43/58—Measuring, controlling or regulating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/50—Details of extruders
    • B29C48/505—Screws
    • B29C48/52—Screws with an outer diameter varying along the longitudinal axis, e.g. for obtaining different thread clearance
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/50—Details of extruders
    • B29C48/505—Screws
    • B29C48/53—Screws having a varying channel depth, e.g. varying the diameter of the longitudinal screw trunk
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/50—Details of extruders
    • B29C48/505—Screws
    • B29C48/535—Screws with thread pitch varying along the longitudinal axis
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
    • B29C43/32—Component parts, details or accessories; Auxiliary operations
    • B29C43/58—Measuring, controlling or regulating
    • B29C2043/5816—Measuring, controlling or regulating temperature
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00—Technologies for solid waste management
    • Y02W30/50—Reuse, recycling or recovery technologies
    • Y02W30/52—Mechanical processing of waste for the recovery of materials, e.g. crushing, shredding, separation or disassembly
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00—Technologies for solid waste management
    • Y02W30/50—Reuse, recycling or recovery technologies
    • Y02W30/62—Plastics recycling; Rubber recycling

Abstract

本发明涉及一种汽车内饰件边角料模压制品的制备方法，包括：(1)将回收的汽车内饰件边角料破碎得破碎料；(2)将上述破碎料热压熔融冷却得模压制品。本发明利用汽车内饰件边角废料制备模压制品，原料环保且成本低，不产生二次污染，模压制品质量轻、强度高，可再次循环回收利用，在工业上有广泛用途，具有很高的经济和社会价值。

Description

一种汽车内饰件边角料模压制品的制备方法
技术领域
本发明涉及汽车内饰件边角废料回收制备领域，特别是涉及一种汽车内饰件边角料模压制品的制备方法。
背景技术
近年来，汽车内饰件越来越多地使用轻质GMT和丙纶麻毡板等热塑性复合材料，而汽车内饰件在成型过程中会产生约15％的边角料，比如汽车顶棚成型时，一周约15公分的边角料以及整个天窗的面积都会成为边角料。为了使汽车内饰更美观和舒适，在轻质GMT和丙纶麻毡板的表面都复合有每平方米200克以上的PET无纺布、PU海绵、皮革等隔热吸音和装饰层，使得内饰件材料的组分越来越复杂，分类回收变得越来越困难，特别是轻质GMT材料中约有30-40％的玻璃纤维，而且轻质GMT材料中的玻璃纤维与聚丙烯纤维之间处于蓬松状态，密度一般都在0.5左右，玻璃纤维很容易分离掉落，与人体接触会致痒，如果焚烧，一部分玻璃纤维会被烟气带出排放在空气中，造成环境污染，填埋的话需要场地成本，而且也不太容易降解。汽车内饰件制造厂为解决这些边角料的出路而发愁。
CN200410103100.3《一种聚丙烯复合废料的回收成型工艺》，该发明涉及一种聚丙烯复合废料的回收成型工艺，具体地说是用于汽车内饰件边角料的回收再利用。本发明将聚丙烯复合废料经破碎后，加入纯聚丙烯、偶联剂及助剂均匀混合后，制成混合料，混合料经加热，保温至混合料进入熔融态，先在模具中放入玻璃纤维布，再将熔融态混合料加入模具中模压，冷却脱膜后得到制品成品。但该方法采用化学制备，成本高，有污染。
发明内容
本发明所要解决的技术问题是提供一种汽车内饰件边角料模压制品的制备方法，该方法利用汽车内饰件边角料制备模压制品，一方面边角废料的回收循环利用，环保且成本低，无二次污染，另一方面模压制品质量轻、强度高，可再次循环回收利用，在工业上有广泛用途，本方法具有很高的经济和社会价值。
本发明的一种汽车内饰件边角料模压制品的制备方法，包括：
(1)将回收的汽车内饰件边角料破碎，得到破碎料；
(2)在将上述破碎料加热熔融模压，冷却定型，得到模压制品；
所述步骤(1)中的汽车内饰件边角料为轻质GMT、丙纶麻毡板中的一种或两种。
所述步骤(1)中边角料投入筛网网眼直径为10mm-40mm的破碎机中破碎。
所述步骤(2)中加热熔融模压的温度为210-230℃，将模具放入加热熔融多层模压装置中，熔融物料折叠后投入压机模具中模压成型。
所述加热熔融模压模具的结构为：包括金属定型框和脱模布，所述的金属定型框放置在下支撑板的上端，所述的金属定型框与下支撑板之间夹放有下脱模布，所述的金属定型框的内框区域放置有热塑性复合材料坯料，该热塑性复合材料坯料的上端覆盖有上脱模布，所述的下脱模布和上脱模布的面积大于金属定型框围成的区域面积。
所述金属定型框的厚度在4mm-20mm之间，这个尺寸的高度使热塑性复合材料坯料不会从上脱模布与金属定型框之间的间隙被挤出，也保证了热塑性复合材料坯料能充分受到热压机的压力和均匀受热。
所述下支撑板为长方形薄板，其沿着长边安装有拉手，拉手是工人不用直接接触高温的金属定型框和下支撑板就可以轻便地将热塑性复合材料坯料投入热压机并从中取出。
所述上脱模布和下脱模布是不粘热料的特氟龙布，使脱模的时候热塑性复合材料坯料不会粘在上脱模布和下脱模布上。
所述多层热压熔融装置的结构为：包括加热压机，所述的加热压机包括机架和升降加工平台，所述机架成“冂”字形，所述机架“冂”字形结构内装有若干平行布置的加热板，所述机架上对应每块加热板布置有开合控制装置，所述加热板内设置有加热装置，所述机架的前后两侧均布置有升降加工平台，该所述加热板之间放置有热压熔融模具。
所述的升降加工平台的上端均匀安装有与加热板的长边平行的滚辊。
所述的滚辊的两端布置有供人员站立的站立架。
所述下支撑板为长方形薄板，其沿着长边安装有拉手，拉手是工人不用直接接触高温的金属定型框和下支撑板就可以轻便地将热塑性复合材料坯料送入热压机或从中取出。
所述机架内至少装有3块平行布置的加热板。
所述的加热板中相邻的两块之间打开时的最大行程是250mm。
所述上下调节控制装置独立控制对应的加热板的打开和闭合。每一层独立控制开闭是为了将物料加热到熔融状态的那一层单独开启以便取出物料和投入坯料，而没到开启时间的其他热压层保持热压状态。
所述步骤(2)中的熔融物料折叠为将加热好的熔融物料从四周往里折叠成比产品模 具小的尺寸。由于加热时四周物料相对于中部物料温度低、熔融状态差，将四周的物料折叠至中部再模压才能得到性能良好的产品。
本发明要求粉碎的玻璃纤维在10-40mm之间即可，不需要更细的如2-6mm，节约成本，通过热压熔融或螺杆加热挤出达到塑化作用。
有益效果
本发明工艺简便，节能环保，其制备的模压制品在工业上有广泛用途。
(1)本发明制备的砖机托板，具有质量轻、强度高，耐磨，使用寿命长等特点。与密度1800kg/立方米的高分子PVC托板相比，砖机托板的密度为1200kg/立方米，减轻重量约35％。同样尺寸如850mm*680mm*18mm的托板，PVC托板为18kg/张，而本发明托板为12kg/张。本托板耐候性好：在零下20度时，托板强度变化小，而PVC托板在零度以下时变脆，容易断裂，损耗大。本发明托板无缺口冲击强度大于25MJ/㎡，PVC托板的冲击强度约为20MJ/㎡。所以本发明托板的使用寿命较PVC托板增加三分之一以上。
(2)本发明制备的建筑模板，具有质量轻、强度高、耐磨、使用寿命长等特点，一般周转使用次数在30次以上，而胶合板建筑模板只能周转5-6次，发泡PVC建筑模板只能周 转10次左右。平整光洁，模板拼接严密平整，脱模后混凝土结构表面度、光洁度均超过现有清水模板的技术要求，不须二次抹灰，省工省料。轻便易装。重量轻，工艺适应性强，可以锯、刨、钻、钉，可随意组成任何几何形状，满足各种形状建筑支模需要。脱模简便。混凝土不沾板面，无需脱模剂，轻松脱模，容易清灰。稳定耐候。机械强度高，在-20℃至60℃气温条件下，不收缩，不湿胀、不开裂、不变形、尺寸稳定、耐碱防腐、阻燃防水，拒鼠防虫，利于养护。模板不吸水，不用特殊养护或保管。可变性强。种类、形状、规格可根据建筑工程要求定制。低成本。周转次数多，平面模不低于30次，柱梁模不低于40次，节能环保。边角料和废旧模板全部可以回收再造。
(3)本发明制备的漏粪板，强度可以和BMC玻璃钢相当，具有抗腐蚀，抗老化，冬暖夏凉，导热系数低；利于猪生长发育，外表美观等优点。平整光滑，抗酸碱度。不伤脚、不伤奶头、重量轻、安装方便。自清洁功能，即不粘粪便，易清洗，长期使用过程中不会有细菌产生。可回收再利用。
(4)本发明还可以生产很多种类的模压产品，如沟盖板、托盘、垫仓板等模压制品。
附图说明
图1为本发明的工艺流程图；
图2为本发明的加热熔融多层模压装置的结构示意图；
图3为本发明的加热熔融多层模压装置未工作时的示意图；
图4为本发明的模压模具的示意图；
图5为本发明的金属定型框的结构示意图；
图6为本发明的下支撑板的结构示意图。
具体实施方式
下面结合附图与具体实施方式对本发明作进一步详细描述：下面结合具体实施例，进一步阐述本发明。应理解，这些实施例仅用于说明本发明而不用于限制本发明的范围。此外应理解，在阅读了本发明讲授的内容之后，本领域技术人员可以对本发明作各种改动或修改，这些等价形式同样落于本申请所附权利要求书所限定的范围。
参见图1至图6，一种汽车内饰件边角料模压制品的制备方法，包括：
(1)将回收的汽车内饰件边角料破碎，得到破碎料；
(2)在将上述破碎料加热熔融模压，冷却定型，得到模压制品。
所述步骤(1)中的汽车内饰件边角料为轻质GMT、丙纶麻毡板中的一种或两种。
所述步骤(1)中边角料投入筛网网眼直径为10mm-40mm的破碎机中破碎。
所述步骤(2)中加热熔融模压的温度为210-230℃，将模具放入加热熔融多层模压装置中，熔融物料折叠后投入压机模具中模压成型。
所述加热熔融模压模具的结构为：包括金属定型框10和脱模布，所述的金属定型框10放置在下支撑板11的上端，所述的金属定型框10与下支撑板11之间夹放有下脱模布12，所述的金属定型框10的内框区域放置有热塑性复合材料坯料13，该热塑性复合材料坯料13的上端覆盖有上脱模布14，所述的下脱模布12和上脱模布14的面积大于金属定型框10围成的区域面积。
所述加热熔融多层模压装置的结构为：包括加热压机，所述的加热压机包括机架31和升降加工平台32，所述机架31成“冂”字形，所述机架31“冂”字形结构内装有若干平行布置的加热板33，所述机架31上对应每块加热板33布置有上下调节控制装置，所述加热板33内设置有加热装置，所述机架31的前后两侧均布置有升降加工平台32，该所述加热板33之间放置有加热熔融模压模具。
所述折叠具体为将加热好的熔融物料四周往里折叠成比产品模具小的尺寸。
实施例1
(1)将轻质GMT汽车内饰件边角料投入直径为小于20mm筛网的破碎机中破碎物料，得到物料直径小于10mm的破碎料。
(2)将破碎料称重17.5公斤均匀地平铺在加热熔融模压模具(下板：3mm不锈钢板；下脱模布：0.65mm厚特氟龙布；铁框：长度1900mm*宽度800*高度8mm；上脱模布：0.65mm厚特氟龙布)中，如图4和5所示。
(3)再将模具放入加热熔融多层模压装置(如图2所示)中加热约10分钟，使物料温度达到220℃，开启加热压机，揭开上下脱模布、移开模具、将加热熔融的物料四周往里折叠至小于模具尺寸，然后将物料投入850*850*20mm的模具中、闭合模压机模压成型、冷却定型，即得砖机托板。
实施例2
(1)将轻质GMT汽车内饰件边角料投入直径为小于30mm筛网的破碎机中破碎物料，得到物料直径为20mm的破碎料。
(2)将丙纶麻毡汽车内饰件边角料投入直径为小于30mm筛网的破碎机中破碎物料，得到物料直径小于20mm的破碎料。
(3)将混合好的物料称重17公斤均匀地平铺在加热熔融模压模具(下板12mm厚胶合板；下脱模布：0.65mm厚特氟龙布；铁框：长度1900mm*宽度1000mm*高度8.5mm；上脱模布：0.65mm厚特氟龙布)中。
(4)再将模具放入加热熔融多层模压装置中加热9分钟，使物料温度达到225℃，开启加热压机，揭开上下脱模布、移开模具、折叠物料尺寸至小于模具尺寸，然后将物料投入1830mm*915mm*15mm的建筑模板模具中、闭合模压机模压成型、冷却定型。

Claims (4)

1.一种汽车内饰件边角料模压制品的制备方法，包括：
(1)将回收的汽车内饰件边角料投入筛网网眼直径为10mm-40mm的破碎机中破碎，得到破碎料；
(2)在将上述破碎料加热熔融模压，加热熔融模压的温度为210-230℃，将加热熔融模压模具放入加热熔融多层模压装置中，将四周的熔融物料折叠至中部后再投入压机模具中模压成型，然后冷却定型得到模压制品;
所述加热熔融多层模压装置的结构为：包括加热压机，所述的加热压机包括机架(31)和升降加工平台(32)，所述机架(31)成“冂”字形，所述机架(31)“冂”字形结构内装有若干平行布置的加热板(33)，所述机架(31)上对应每块加热板(33)布置有上下调节控制装置，所述加热板(33)内设置有加热装置，所述机架(31)的前后两侧均布置有升降加工平台(32)，该所述加热板(33)之间放置有加热熔融模压模具。
2.根据权利要求1所述的一种汽车内饰件边角料模压制品的制备方法，其特征在于：所述步骤(1)中的汽车内饰件边角料为轻质GMT、丙纶麻毡板中的一种或两种。
3.根据权利要求1所述的一种汽车内饰件边角料模压制品的制备方法，其特征在于：所述加热熔融模压模具的结构为：包括金属定型框(10)和脱模布，所述的金属定型框(10)放置在下支撑板(11)的上端，所述的金属定型框(10)与下支撑板(11)之间夹放有下脱模布(12)，所述的金属定型框(10)的内框区域放置有热塑性复合材料坯料(13)，该热塑性复合材料坯料(13)的上端覆盖有上脱模布(14)，所述的下脱模布(12)和上脱模布(14)的面积大于金属定型框(10)围成的区域面积。
4.根据权利要求1所述的一种汽车内饰件边角料模压制品的制备方法，其特征在于：所述折叠具体为将加热好的熔融物料四周往里折叠成比产品模具小的尺寸。
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