CN106113538B - 塑料蜂窝板的生产方法 - Google Patents

塑料蜂窝板的生产方法 Download PDF

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CN106113538B
CN106113538B CN201610492628.7A CN201610492628A CN106113538B CN 106113538 B CN106113538 B CN 106113538B CN 201610492628 A CN201610492628 A CN 201610492628A CN 106113538 B CN106113538 B CN 106113538B
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plastic honeycomb
raw material
plastic
honeycomb core
production method
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CN106113538A (zh
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李光
王建清
陈蕴智
宋海燕
潘凤丽
刘光发
吕幼军
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Tianjin University of Science and Technology
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29DPRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D24/00Producing articles with hollow walls
    • B29D24/002Producing articles with hollow walls formed with structures, e.g. cores placed between two plates or sheets, e.g. partially filled
    • B29D24/005Producing articles with hollow walls formed with structures, e.g. cores placed between two plates or sheets, e.g. partially filled the structure having joined ribs, e.g. honeycomb
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/001Combinations of extrusion moulding with other shaping operations
    • B29C48/0011Combinations of extrusion moulding with other shaping operations combined with compression moulding
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/001Combinations of extrusion moulding with other shaping operations
    • B29C48/0021Combinations of extrusion moulding with other shaping operations combined with joining, lining or laminating
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/09Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
    • B29C48/11Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels comprising two or more partially or fully enclosed cavities, e.g. honeycomb-shaped
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25Component parts, details or accessories; Auxiliary operations
    • B29C48/267Intermediate treatments, e.g. relaxation, annealing or decompression step for the melt
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25Component parts, details or accessories; Auxiliary operations
    • B29C48/30Extrusion nozzles or dies
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25Component parts, details or accessories; Auxiliary operations
    • B29C48/30Extrusion nozzles or dies
    • B29C48/345Extrusion nozzles comprising two or more adjacently arranged ports, for simultaneously extruding multiple strands, e.g. for pelletising
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25Component parts, details or accessories; Auxiliary operations
    • B29C48/88Thermal treatment of the stream of extruded material, e.g. cooling
    • B29C48/90Thermal treatment of the stream of extruded material, e.g. cooling with calibration or sizing, i.e. combined with fixing or setting of the final dimensions of the extruded article
    • B29C48/901Thermal treatment of the stream of extruded material, e.g. cooling with calibration or sizing, i.e. combined with fixing or setting of the final dimensions of the extruded article of hollow bodies
    • B29C48/903Thermal treatment of the stream of extruded material, e.g. cooling with calibration or sizing, i.e. combined with fixing or setting of the final dimensions of the extruded article of hollow bodies externally
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25Component parts, details or accessories; Auxiliary operations
    • B29C48/88Thermal treatment of the stream of extruded material, e.g. cooling
    • B29C48/90Thermal treatment of the stream of extruded material, e.g. cooling with calibration or sizing, i.e. combined with fixing or setting of the final dimensions of the extruded article
    • B29C48/904Thermal treatment of the stream of extruded material, e.g. cooling with calibration or sizing, i.e. combined with fixing or setting of the final dimensions of the extruded article using dry calibration, i.e. no quenching tank, e.g. with water spray for cooling or lubrication
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25Component parts, details or accessories; Auxiliary operations
    • B29C48/88Thermal treatment of the stream of extruded material, e.g. cooling
    • B29C48/911Cooling
    • B29C48/9115Cooling of hollow articles

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Laminated Bodies (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)

Abstract

本发明公开了一种塑料蜂窝板的生产方法,包括如下步骤:步骤一、挤出机经由挤出模具挤出塑料蜂窝芯原料;步骤二、对塑料蜂窝芯原料冷却并定型;步骤三、在塑料蜂窝芯原料的外壁施压,进而将塑料蜂窝芯原料压合成为塑料蜂窝片;步骤四、对上述塑料蜂窝片进行定长切割;进而形成一系列的塑料蜂窝条;步骤五、将第i个塑料蜂窝条的上表面与第i+1个塑料蜂窝条的下表面进行粘接,或者是将第i个塑料蜂窝条的下表面与第i+1个塑料蜂窝条的上表面进行粘接;其中:i为自然数;进而粘接形成塑料蜂窝芯块;步骤六、将塑料蜂窝芯块拉开形成塑料蜂窝芯;步骤七、将上面板和下面板分别与塑料蜂窝芯进行粘接,进而形成塑料蜂窝板。

Description

塑料蜂窝板的生产方法
技术领域
本发明涉及塑料蜂窝板技术领域,特别是涉及一种塑料蜂窝板的生产方法。
背景技术
蜂窝板是由两块面板和蜂窝芯组成,蜂窝板结构的设计思想来源工字梁结构:面板相当于工字梁的翼板,主要承受正应力;蜂窝芯相当于工字梁的腹板,主要承受剪应力。两个面板的结构强度大,有较大的剖面惯性矩,因而刚度好、弯曲强度大。
蜂窝板一般分为金属和非金属两大类。金属类蜂窝板主要用于飞机制造业、汽车制造业、船舶制造业、交通运输业等。非金属类蜂窝板又分为纤维类和纸类。纤维类蜂窝板主要用于交通运输、室内装饰业以及家具等;纸类蜂窝板主要用于包装业、建材业、家具业等。
塑料蜂窝板主要有PP(聚丙烯)蜂窝板、PC(聚碳酸酯)蜂窝板和纸塑复合蜂窝板等。与传统的夹芯板材相比,塑料蜂窝板具有如下显著特点:
(1)质量轻:塑料蜂窝板约是同体积水质量的1/12,是铝材的1/32,可大大减轻建筑物的负荷,以及装饰材料、家居、厨具、车、船、轻轨车辆的重量。
(2)隔音隔热:由于两板面之间空气层被蜂窝分成众多封闭空隙,且塑料不是热的良导体,使声和热量的传播受到很大限制,因此塑料蜂窝板具有良好的隔音隔热性能。
(3)强度刚度:单位质量的比强度大,比刚度大。并且使用安装方便,可任意切割,制成各类异型板。
(4)耐水、防潮:即使在水中也不会有变形。用可以盛放或包装食品的PP、PC加工而成,可以实现环保、无毒无害,且可以回收再利用。
(5)耐腐蚀:具有良好的化学稳定性正是PP、PC等塑料的优点之一。
(6)绝缘:有着良好的电绝缘性和较小的介电率。与适当的面板(如防火板)结合,可以做到防火。
传统蜂窝板的加工方法主要是粘合展开法、挤出拼接法、注塑法和辊成型法。其中:
粘合展开法:先使塑料成型成片材;再根据六边形大小,在片材间隔处粘结并进行堆积;然后将粘好的基材切成块状(在拉伸之前),块的宽度就是最后蜂窝芯的厚度;当胶固化完成后对基块进行展开,成为塑料蜂窝芯;与上下面板粘合成塑料蜂窝板。此方法成型工艺复杂,成本高,效率低,质量差,难以形成连续大规模稳定生产。
挤出拼接法:是用挤出机挤出蜂窝形状或圆管等,再进行切片拼接粘合成板。此方法难以连续性生产,生产效率低。
注塑法:是利用注射成型的方法直接成型成一定尺寸的塑料蜂窝芯,再与上下面板粘合成塑料蜂窝板。此方法受注塑模具的限制,只能成型成单板较小尺寸的塑料蜂窝芯,且生产过程间歇式生产,不适合大规模工业化生产。
辊成型法:是利用真空吸塑方式配以辊筒连续生产的方法。由于有一定脱模斜度,蜂窝结构大多为非六边性(大部分为圆形),且在直径棍面上不能密排,其强度较六边形要差;同时难以实现深孔模腔,限制了产品的厚度;在后续上下层复合时板材不平整,影响了产品的平整度和物理性能;蜂窝孔非通透,在底部粘附面板时造成材料浪费。
发明内容
本发明要解决的技术问题是:提供一种塑料蜂窝板的生产方法,该塑料蜂窝板的生产方法能够简化生产工艺,可连续生产作业,大大提高企业生产效率。
本发明为解决公知技术中存在的技术问题所采取的技术方案是:
一种塑料蜂窝板的生产方法,该塑料蜂窝板包括上面板和下面板、以及位于上面板和下面板之间的塑料蜂窝芯;所述塑料蜂窝芯的两端与上面板和下面板之间相粘接;该生产方法包括如下步骤:
步骤101、挤出机经由挤出模具挤出塑料蜂窝芯原料;
步骤102、对上述塑料蜂窝芯原料冷却并定型;
步骤103、在所述塑料蜂窝芯原料的外壁施压,进而将塑料蜂窝芯原料压合成为塑料蜂窝片;
步骤104、对上述塑料蜂窝片进行定长切割;进而形成一系列的塑料蜂窝条;
步骤105、将第i个塑料蜂窝条的上表面与第i+1个塑料蜂窝条的下表面进行粘接,或者是将第i个塑料蜂窝条的下表面与第i+1个塑料蜂窝条的上表面进行粘接;其中:i为自然数;进而粘接形成塑料蜂窝芯块;
步骤106、将上述塑料蜂窝芯块拉开形成塑料蜂窝芯;
步骤107、将上面板和下面板分别与塑料蜂窝芯进行粘接,进而形成塑料蜂窝板。
进一步:所述步骤102、具体为:将塑料蜂窝芯原料插入定型套内,该定型套的内表面与塑料蜂窝芯原料的外表面紧密贴合;该定型套的两端均为开口,进而使得塑料蜂窝芯原料从一端插入,随后从另外一端拉出。
更进一步:在所述定型套的夹层或者是外壁设置有冷却液体或者冷却气体或者是散热翅片。
更进一步:向所述定型套内进行鼓吹压缩空气,压缩空气压力范围0.4~0.8MPa。
进一步:所述步骤107中的粘接为涂胶封合或热封合中的一种。
更进一步:还包括步骤108、对所述塑料蜂窝板进行定型。
更进一步:还包括步骤109、根据需要对塑料蜂窝板进行裁切。
更进一步:所述挤出模具包括依次固定连接的机颈、支架板、过渡板、口模板,在所述口模板上设置安装有型芯;口模板和型芯之间的缝隙为成型流道;在所述机颈上设置有料液挤入孔和稳流道;所述料液挤入孔与稳流道相连通,在支架板上开设有与稳流道连通的支架板流道,在过渡板上开设有将支架板流道和成型流道连通的压缩流道;在所述型芯上开设有气体流道。
一种由上述步骤101至105形成的塑料蜂窝芯块。
本发明具有的优点和积极效果是:
通过采用上述技术方案,本发明与传统技术相比较,简化生产工艺,可连续生产作业,大大提高企业生产效率。同时由于采用了上述结构的挤出模具,在挤出的过程中,将压缩空气导入气体流道内,通过压缩空气的作用力,一方面使塑料蜂窝芯原料与定型套接触而快速冷却定型,另外一方面防止塑料蜂窝芯原料间产生粘接;由于采用了上述工艺,生产出来的塑料蜂窝芯块体积小,便于运输,当需要使用时,拉伸后再粘贴上面板和下面板即可制成塑料蜂窝板,使用灵活方便。
附图说明
图1是本发明的目标产品结构图;
图2是本发明中步骤101所生产出来的塑料蜂窝芯原料结构图;
图3是本发明中步骤102所生产出来的塑料蜂窝芯原料定型套结构图;
图4是本发明中步骤103所生产出来的塑料蜂窝片结构图;
图5是本发明中步骤105所生产出来的塑料蜂窝条待粘贴前的位置关系图;
图6是本发明中挤出模具的整体结构图;
图7是本发明中挤出模具的轴截面图。
其中:1、上面板;2、塑料蜂窝芯;3、下面板;4、壳体;5、通孔;6、机颈;7、稳流道;8、支架板;9、支架板流道;10、过渡板;11、压缩流道;12、口模板;13、成型流道;14、气体流道;15、型芯;
具体实施方式
为能进一步了解本发明的发明内容、特点及功效,兹例举以下实施例,并配合附图详细说明如下:
请参阅图1至图7,一种塑料蜂窝板的生产方法,该塑料蜂窝板如图1所示:包括上面板1和下面板3、以及位于上面板1和下面板3之间的塑料蜂窝芯2;所述塑料蜂窝芯2的两端与上面板1和下面板3之间相粘接;该塑料蜂窝板的生产方法包括如下步骤:
步骤101、挤出机经由挤出模具挤出塑料蜂窝芯原料;该过程是一个连续挤出的过程,即只要液体原料足够,挤压机就可以持续地挤出塑料蜂窝芯原料,同时这个塑料蜂窝芯原料在长度方向是连续不间断的;挤出的塑料蜂窝芯原料如图2所示,该塑料蜂窝芯原料包括蜂窝结构的两个端面,以及呈不规则结构的外壁;
步骤102、对上述塑料蜂窝芯原料冷却并定型;具体为:根据塑料蜂窝芯原料的外形结构,选择特定结构的塑料蜂窝芯原料定型套,如图3所示:该塑料蜂窝芯原料定型套包括具有冷却功能的壳体4,在该壳体上开设有便于塑料蜂窝芯原料通过的通孔5,所述通孔5内壁的形状与塑料蜂窝芯原料外壁的形状相同,所述通孔5内壁的尺寸略大于塑料蜂窝芯原料外壁的尺寸,这样当塑料蜂窝芯原料从通孔的一端插入,随后从通孔的另外一端拉出;由于外壳具有冷却功能,因此塑料蜂窝芯原料通过通孔后,实现了冷却和定型的目的;定型套内设冷却水循环通道,以使定型套保持低温状态;整个定型套间隔设有通气孔连通其内外壁,以方便内部空气排出。图3为1个定型套,实际生产中需布置4个定型套,以充分冷却定型;
步骤103、在所述塑料蜂窝芯原料的外壁施压,进而将塑料蜂窝芯原料压合成为塑料蜂窝片;上述外壁施压有多种实现方式,优选下列两种:方式一、首先将塑料蜂窝芯原料置于水平状态,即塑料蜂窝芯原料两个端面的朝向为水平方向,然后,可以自上而下对塑料蜂窝芯原料上方的外壁施压,进而使得塑料蜂窝芯原料压合成为塑料蜂窝片;或者,同时对塑料蜂窝芯原料上方的外壁和下方的外壁进行施压,进而使得塑料蜂窝芯原料压合成为塑料蜂窝片;方式二、首先将塑料蜂窝芯原料置于竖直状态,即塑料蜂窝芯原料两个端面一个朝下另外一个朝上,然后,对塑料蜂窝芯原料左侧的外壁和右侧的外壁向中间方向进行施压,进而使得塑料蜂窝芯原料压合成为如图4所示的塑料蜂窝片;
步骤104、对上述塑料蜂窝片进行定长切割;进而形成一系列的塑料蜂窝条;
步骤105、如图5所示:将第i个塑料蜂窝条的上表面与第i+1个塑料蜂窝条的下表面进行粘接,或者是将第i个塑料蜂窝条的下表面与第i+1个塑料蜂窝条的上表面进行粘接;其中:i为自然数;进而粘接形成塑料蜂窝芯块;
步骤106、将上述塑料蜂窝芯块拉开形成塑料蜂窝芯;
步骤107、将上面板和下面板分别与塑料蜂窝芯进行粘接,进而形成塑料蜂窝板。
作为优选:所述步骤102、具体为:将塑料蜂窝芯原料插入定型套内,该定型套的内表面与塑料蜂窝芯原料的外表面紧密贴合;该定型套的两端均为开口,进而使得塑料蜂窝芯原料从一端插入,随后从另外一端拉出。
在所述定型套的夹层或者是外壁设置有冷却液体或者冷却气体或者是散热翅片。
向所述定型套内进行鼓吹压缩空气,通过实验发现,当压缩空气压力范围控制在0.4~0.8MPa时,定型冷却效果最好,本优选实施例中,压缩空气压力的压力值为:0.4MPa、0.6MPa、0.8MPa中的一个。
所述步骤107中的粘接为涂胶封合或热封合中的一种。还包括步骤108、对所述塑料蜂窝板进行定型。步骤109、根据需要对塑料蜂窝板进行裁切。
更进一步:所述挤出模具包括依次固定连接的机颈6、支架板8、过渡板10、口模板12,在所述口模板12上设置安装有多个型芯15;一般情况下的塑料芯为正六边形的蜂窝结构,因此,在本优选实施例中,每个型芯15的端面也为正六边形,口模板12和型芯15之间的缝隙为成型流道13;由于型芯15的端面也为正六边形,因此型芯15的外壁与口模板12内壁之间形成一个截面为正六边形的成型流道13;多个正六边形的成型流道13组成蜂窝结构;在所述机颈6上设置有料液挤入孔和稳流道7;所述料液挤入孔与稳流道7相连通,在支架板8上开设有与稳流道7连通的支架板流道9,在过渡板10上开设有将支架板流道9和成型流道13连通的压缩流道11;在所述型芯15上开设有气体流道14;料液经由料液挤出孔进入稳流道7内;随后经由稳流道7进入支架板流道9、压缩流道11,最后通过成型流道13形成蜂窝结构的塑料芯;
在此过程中,需要严格控制挤出速度,模具挤出速度一般为1~4m/min。同时,通过通气体流道14进行鼓气,该鼓气能够实现两个目的:目的一:使塑料蜂窝芯原料与定型套接触而快速冷却定型;目的二:防止塑料蜂窝芯原料间产生粘接。
一种由上述步骤101至105形成的塑料蜂窝芯块。与传统的塑料蜂窝芯相比较,该塑料蜂窝芯块具有体积小,便于运输,同时在运输的过程中,抗压抗摔能力更强。
以上对本发明的实施例进行了详细说明,但所述内容仅为本发明的较佳实施例,不能被认为用于限定本发明的实施范围。凡依本发明申请范围所作的均等变化与改进等,均应仍归属于本发明的专利涵盖范围之内。

Claims (8)

1.一种塑料蜂窝板的生产方法,该塑料蜂窝板包括上面板和下面板、以及位于上面板和下面板之间的塑料蜂窝芯;所述塑料蜂窝芯的两端与上面板和下面板之间相粘接;其特征在于:该生产方法包括如下步骤:
步骤101、挤出机经由挤出模具挤出塑料蜂窝芯原料;
步骤102、对上述塑料蜂窝芯原料冷却并定型;
步骤103、在所述塑料蜂窝芯原料的外壁施压,进而将塑料蜂窝芯原料压合成为塑料蜂窝片;
步骤104、对上述塑料蜂窝片进行定长切割;进而形成一系列的塑料蜂窝条;
步骤105、将第i个塑料蜂窝条的上表面与第i+1个塑料蜂窝条的下表面进行粘接,或者是将第i个塑料蜂窝条的下表面与第i+1个塑料蜂窝条的上表面进行粘接;其中:i为自然数;进而粘接形成塑料蜂窝芯块;
步骤106、将上述塑料蜂窝芯块拉开形成塑料蜂窝芯;
步骤107、将上面板和下面板分别与塑料蜂窝芯进行粘接,进而形成塑料蜂窝板。
2.根据权利要求1所述的塑料蜂窝板的生产方法,其特征在于:所述步骤102、具体为:将塑料蜂窝芯原料插入定型套内,该定型套的内表面与塑料蜂窝芯原料的外表面紧密贴合;该定型套的两端均为开口,进而使得塑料蜂窝芯原料从一端插入,随后从另外一端拉出。
3.根据权利要求2所述的塑料蜂窝板的生产方法,其特征在于:在所述定型套的夹层或者是外壁设置有冷却液体或者冷却气体或者是散热翅片。
4.根据权利要求3所述的塑料蜂窝板的生产方法,其特征在于:向所述定型套内进行鼓吹压缩空气,压缩空气压力范围0.4~0.8MPa。
5.根据权利要求1所述的塑料蜂窝板的生产方法,其特征在于:所述步骤107中的粘接为涂胶封合或热封合中的一种。
6.根据权利要求1-5任一项所述的塑料蜂窝板的生产方法,其特征在于:还包括步骤108、对所述塑料蜂窝板进行定型。
7.根据权利要求6所述的塑料蜂窝板的生产方法,其特征在于:还包括步骤109、根据需要对塑料蜂窝板进行裁切。
8.根据权利要求7所述的塑料蜂窝板的生产方法,其特征在于:所述挤出模具包括依次固定连接的机颈、支架板、过渡板、口模板,在所述口模板上设置安装有型芯;口模板和型芯之间的缝隙为成型流道;在所述机颈上设置有料液挤入孔和稳流道;所述料液挤入孔与稳流道相连通,在支架板上开设有与稳流道连通的支架板流道,在过渡板上开设有将支架板流道和成型流道连通的压缩流道;在所述型芯上开设有气体流道。
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