CN102971124B - 空心面板以及用于制造空心面板的模具 - Google Patents

空心面板以及用于制造空心面板的模具 Download PDF

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CN102971124B
CN102971124B CN201180029893.7A CN201180029893A CN102971124B CN 102971124 B CN102971124 B CN 102971124B CN 201180029893 A CN201180029893 A CN 201180029893A CN 102971124 B CN102971124 B CN 102971124B
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曼纽尔·洛佩斯·桑切斯
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ALMAS DE PUERTA SL
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B27WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27NMANUFACTURE BY DRY PROCESSES OF ARTICLES, WITH OR WITHOUT ORGANIC BINDING AGENTS, MADE FROM PARTICLES OR FIBRES CONSISTING OF WOOD OR OTHER LIGNOCELLULOSIC OR LIKE ORGANIC MATERIAL
    • B27N5/00Manufacture of non-flat articles
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B3/00Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
    • B32B3/10Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a discontinuous layer, i.e. formed of separate pieces of material
    • 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
    • B29C33/00Moulds or cores; Details thereof or accessories therefor
    • B29C33/42Moulds or cores; Details thereof or accessories therefor characterised by the shape of the moulding surface, e.g. ribs or grooves
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B30PRESSES
    • B30BPRESSES IN GENERAL
    • B30B15/00Details of, or accessories for, presses; Auxiliary measures in connection with pressing
    • B30B15/06Platens or press rams
    • B30B15/062Press plates
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B30PRESSES
    • B30BPRESSES IN GENERAL
    • B30B15/00Details of, or accessories for, presses; Auxiliary measures in connection with pressing
    • B30B15/30Feeding material to presses
    • B30B15/302Feeding material in particulate or plastic state to moulding presses
    • B30B15/304Feeding material in particulate or plastic state to moulding presses by using feed frames or shoes with relative movement with regard to the mould or moulds
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B21/00Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board
    • B32B21/02Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board the layer being formed of fibres, chips, or particles, e.g. MDF, HDF, OSB, chipboard, particle board, hardboard
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B21/00Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board
    • B32B21/13Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board all layers being exclusively wood
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B3/00Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
    • B32B3/10Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a discontinuous layer, i.e. formed of separate pieces of material
    • B32B3/12Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a discontinuous layer, i.e. formed of separate pieces of material characterised by a layer of regularly- arranged cells, e.g. a honeycomb structure
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B3/00Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
    • B32B3/26Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B3/00Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
    • B32B3/26Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer
    • B32B3/28Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer characterised by a layer comprising a deformed thin sheet, i.e. the layer having its entire thickness deformed out of the plane, e.g. corrugated, crumpled
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B3/00Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
    • B32B3/26Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer
    • B32B3/30Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer characterised by a layer formed with recesses or projections, e.g. hollows, grooves, protuberances, ribs
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2250/00Layers arrangement
    • B32B2250/033 layers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2250/00Layers arrangement
    • B32B2250/40Symmetrical or sandwich layers, e.g. ABA, ABCBA, ABCCBA
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2479/00Furniture
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2607/00Walls, panels
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/12Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/13Hollow or container type article [e.g., tube, vase, etc.]
    • Y10T428/1303Paper containing [e.g., paperboard, cardboard, fiberboard, etc.]
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/13Hollow or container type article [e.g., tube, vase, etc.]
    • Y10T428/1348Cellular material derived from plant or animal source [e.g., wood, cotton, wool, leather, etc.]
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/24Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24149Honeycomb-like

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  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Forests & Forestry (AREA)
  • Dry Formation Of Fiberboard And The Like (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)

Abstract

空心面板(1)包括空心中央板或主体(2)以及两个外部板片(3),从而形成夹层。中央主体(2)由木质纤维和胶制成并且在模具中制作,所述模具具有带有倾斜壁(4)和截头顶端的不均匀表面。接下来,外部板片(3)用与中央主体(2)相同的材料制成,使用相同的胶接合。模具具有固定的外围框架(19)、冲平台(30)和具有锯齿板(6)的加热板(20),另一类似板(7)靠近锯齿板(6),这两个锯齿板构成了模具,后个板刚性地紧固至用于形成中央板或主体(2)的压床的上热板(12)。这两个板的齿以交错方式偏移并且并不会和,以形成具有期望厚度(2)的不均匀表面。<!--1-->

Description

空心面板以及用于制造空心面板的模具
技术领域
正如本说明书的标题中表述的,本发明涉及用于制造空心面板的模具以及用所述模具制造的面板,在生产此种类型的空心面板方面具有非常有利的特点。它们使得能够用轻质面板建造家具,而不是用实心面板或传统制造的面板,传统面板是使用形成框架的中央加强带和两个外部板片制造的,提供装置以夹层结构。
本发明的目的是通过在模具构造该夹层的中央主体或芯板来形成空心面板,此中央主体为空心的。
本发明的目的是能够使用也是由木质纤维或MDF(中密度纤维)形成的板片来作为空心面板的夹层结构的外部盖板或板片,板片用相同的脲醛胶胶合至空心中央芯板。
背景技术
目前制造的空心面板或空心门包括由横梁和纵梁形成的框架件或空心中央芯板,不同的胶合盖板联接到其上,用粘合剂或胶连接。
还有一种轻型空心门,其包括作为上述框架件的中央芯板以及内部蜂窝结构,内部蜂窝结构作为充分耐用的加固件以至少维持夹层结构的盖板的平行性。
重要的是强调本发明显著地改进了发明人拥有的专利No.P200702385和P200701709,因为本发明设法解决了上述这些专利在其执行和制造中出现的一系列问题。
另一方面,关于模具由此根据本发明制造的空心面板的芯板或中央面板,我们能够引证与本发明申请人相同的发明专利No.P-200601305,该专利提供了门芯,其能够形成有空心部分用于镶板或上釉,使得材料不被浪费,因为门芯被完美地修饰和完成,仅仅缺乏最终的镶面并且无需任何机加工。
此发明专利提出的是,用于空心门和用于空心面板的模具由固定外围框架形成,该框架遵循门芯的轮廓,或着其多个表面能够在同一压制阶段中同时获得若干个门芯,随后通过切割分离。
下部水平平台通过液压缸的活塞是纵向可移动的,其上搁置有第一矩形框架件,第一矩形框架件适应外围框架的空心部的尺寸而且其能够在内部可伸缩地滑动,其表面上具有许多窗口,就像门芯设置在模具中一样。这些窗口又接纳彼此独立的第二框架件,第二框架件也是可伸缩式移动的,其中可包括相应的空心部,若有的话用于镶板或上釉。
所述模具位于框架压床中,使得压床的上部移动热板在接触固定的外围框架时闭合模具。用来镶板或上釉的空心部被金属块占据,金属块保持固定在提升位置并且与模具的外围框架齐平。
第一和第二或第二矩形框架件从下面被液压式驱动,并且本身构成了压床的下热板,因为它们是耐热的。阻止产品接近模具表面的那些块位于形成用于镶板或上釉的空心部所在的位置,这些块通过为其服务的液压缸被维持在提升位置,如果门是结实的即实心的,没有用于镶板或上釉的空心部,则第二框架是实心的并且其所有表面将接纳木质纤维和胶形成的毯状物。
在申请人与本发明相同的发明专利No.P-200602572中提供了对前述结构的改善,从而其在用相同模具制造不同类型和模型的门方面实现了自动化和通用性。对于此专利,其具有带有不同空间或窗户的矩形框架,呈现要制造的门芯的轮廓,从而同时实现限定组合模具的若干完全完成的单元。占据空穴的位置用来镶板或上釉的块是由多个横向元件限定的,所述横向元件能够各自移动,具有相同或不同宽度。第一矩形框架件的有效表面限定了一个区域,在该区域可接纳更大量的产品,因为该区域比其余区域可下降更大程度,所以在压制中比在其余区域中获得了相当大的密度。
第一和第二矩形框架件以及形成有用于镶板或上釉的空心部的独立中间块被穿过上部水平平台的垂直杆支撑,上部水平平台被压床的下部液压缸驱动,一旦压床的上热板覆盖模具,就执行该操作。
在对上面评论过的主发明专利No.P-200602572补充的证书号P-200701308的专利中,提供了对用于制造门芯的模具的改进,门芯在模具的固定部分以及第一和第二框架件的抬升和下降结构上均居中,以取决于门芯必须具有的厚度来改变移动路径。
关于模具的矩形框架或壁,其中在相同的压制阶段能制造若干个单元,而不是固定于制造标准门芯,它被分为两部分:一个固定的外部部分,位于各个独立单元周边;以及另一移动的内部部分,其可伸缩式地移动并且能够占据两个位置:上部位置,保持与外围部分齐平以制造标准门芯;另一下部位置,当它们下降到与第一矩形框架件相同的程度以接纳更大体积的用于压制的材料时,用于制造长度和宽度更大的门芯。
取决于从该装置包括的全自动电脑控制单元接收的命令,服务这些第一和第二框架件的液压缸被伸出或撤回到期望程度。在用于供应要压制产品的配送装置的行进过程中该许可运动(向下)是连续的,因为在朝向压床一侧的移动过程中,料斗中所含的产品被排出,在这种情况下,当制造夹层类型芯板或门时,其可以是具有不同密度的DM或木质纤维和胶。移动框架中安装有一个或多个配送装置,当移动框架退出压床时执行压制,从而当其返回至另一侧时,同时进行移除制造好的门芯,该移除过程与提升压床的上部板同时进行,其下部缸被伸出以从模具移除门芯。
配送装置包括具有产品的大的中央料斗以及另外两个较小的侧料斗,中央料斗必须构成双密度门的夹层的中央区域,侧料斗包含标准层的产品。在料斗的底部有旋转叶片辊,旋转叶片辊将产品朝侧面分配,而且料斗的整个底部被两个传送带占据,两个传送带朝中央前进,在中央存在有负责填充模具的具有刀片的辊。在这种可移动的底盘或滑车的下面部分,在模具的表面上具有清洁辊以避免形成不想要的污垢。
发明内容
重要的是强调本发明显著地改进了发明人拥有的专利No.P200702385和P200701709,因为本发明设法解决了上述这些专利在其执行和制造中出现的一系列问题。
大体上,本发明提出的用于制造空心面板的模具以及由该模具获得的空心面板允许构建空心面板,甚至由空心中央面板和两个外部板片或盖板构成的这类型空心面板,这些板使得组件为夹层结构,提供了特殊特性:夹层的中央面板或芯板是通过在本发明对象模具中模制而构建的。
相比于前面部分评论的方案,空心芯板为新颖的方案,其中央芯板的几何形式尤其是其空心区域与之前的不同处在于,凹部的均匀几何分布,凹部在该情况下确定和建立成由沿横向和纵向(即在两个垂直方向上并且完全对称)布置的截头棱锥或截头圆锥插件。
关于此夹层的侧面板片,提供优势的是,它们也是由木质纤维或MDF以及脲醛胶这些相同的压制材料形成的,并且它们用这种相同类型的胶接合至中央主体。
除了通过将外部板片联接至中央芯板来形成面板之外,一个面(优选主干棱锥)的凹部相对于另一面偏移以形成小厚度的壁,从而实现适当的耐用性并且还减轻重量。这种空心面板能够单独销售即不包括夹层的外部盖板,或着它能够被供给而仅仅是在两面上没有最终修饰(上漆、除木屑),从而它被家具制造商使用,通过切割成期望尺寸来切割成小块,或作为装饰板。
在模制中心芯板时为了获得这些空心部或凹部,模具底部的锯齿板以及附接至压床的上热板上的锯齿板由独立的板确定,这些锯齿板的面以之前评论的分布,可合并成多个截头棱锥或截头圆锥凸起,以当其放置在底板上以及热板下降以闭合模具时,在由通过相应配送装置注入模具中的木质纤维和胶所形成的毯状物中形成凹部。
模具中构建的该锯齿面的顶端被截头以增加夹层的外部盖板或板片的胶合表面。
就其本身而言,所述模具装载有单一密度的产品,在滑车中布置的计量料斗中能发现产品,滑车从模具的一层到另一层具有摇摆运动,滑车退出压床以允许上热板下降以闭合模具顶部。该上热板包括另一具有锯齿形轮廓的板,另一具有锯齿形轮廓的板与下部的具有锯齿形轮廓的板相似,但其齿以交错方式偏移并且它们不会和,以形成具有期望厚度的不平坦表面。
在这些条件下,在填充模具之前,压床的下部液压缸动作,使得除了进行面板的最终压制之外,还使得冲平台上升以确定毯状物的规格,一旦设置,其还将执行脱模的功能。此初始步骤之后,一旦模具已经被填充,因为模具必须完全关闭,所以上部锯齿板下降,上部锯关于其锯齿形区域具有平坦的外围延伸部。锯齿仅集中于中央区域,尽管其很大。
在压制过程中,上部凸起与下部凸起互连但不建立接触,计划厚度的壁与它们一起形成。除了通过改变冲平台的路径能够实现不同的芯板厚度之外,通过测量器系统,锯齿板还能与具有合适长度凸起的其他构件互换。
为了便于理解本发明的特征并形成本说明书的整体部分,附图附上了若干图,下文将显示说明性的和非限制性的特征。
附图说明
图1是根据本发明的空心面板的横截面图,其由空心中央主体和两个外部面板或板片形成,从而获得夹层结构。
图2是类似于图1的视图,仅观察在本发明对象模具中制成的空心中央主体。
图3是上部中央主体的详细平面图。
图3’是下部中央主体的详细平面图。
图4是用于同时制造空心面板的模具的纵向视图,模具设置在框架压床中,计量料斗位于模具上。
图5是类似于图4的视图,不包括计量料斗或压床的上部分。
图6是图4中显示的部分的横截面图,不包括计量料斗。
图7是压床的框架的视图。
图8是锯齿板的部分视图和轮廓图,锯齿板刚性固定至压床的上热板和下热板以获得空心中央主体。
图9是模具面板的脱模系统的平面图,一旦压床打开,我们还能够观察到推进器,这些推进器具有从所述模具锯齿件中拉出面板的功能。
图10是根据移位,移动滑车的计量料斗的纵向视图。
图11是图10所示的部分的平面图。
图12是下部模具锯齿件的视图,示出了从模具拉出面板的推进器。
图13是上部模具锯齿件的视图,示出了用来闭合压床的上液压缸。
图14是冲平台的平面图,示出了用于从模具拉出面板的推进器,以及最终面板的厚度的测量器。
图15示出了冲平台,具有液压缸和用于从下部模具拉出面板的推进器。
图16是图8的芯板的三维视图。
具体实施方式
参考附图采用的编号,尤其是图1至图3,本发明的对象空心面板通常用数字1表示,其具有由空心中央主体2以及两个外部盖板或板片3构成的夹层结构,空心中央主体是通过在模具中压制所获得的部分。
芯板或中央面板2本身构成了本发明最新颖的部分,因为芯板或中央面板是通过对木质纤维和脲醛胶进行压制形成的,利用了从框架压床的热板所接收的热量,压床中可以看到模具,模具形成了其一部分,如我们随后将能看到的。
中央面板2具有由倾斜隔板4以之字形(zig-zag)通过手风琴方式形成的结构,但倾斜隔板4不到达面板的边缘。
当板片3之后被胶合至该中央面板2时,空心面板1变得非常耐用而且非常轻。
空心主体的之字形配置通过合并压床的热板中的锯齿板6和7而形成,这些锯齿板在压制阶段互连但没有接合在一起,芯板或中央面板2的隔板4的厚度限定了它们的间隙。锯齿板6和7之间压制的产品提供了倾斜隔板的互连配置,其具有的截头顶端(truncatedvertices)限定了应用粘合剂的表面8,粘合剂接合外部盖板3。
因此,锯齿板6和7的锯齿的槽是平坦的。齿的齿峰被导圆以便于脱模,同时增加耐用性(见图8、图12以及图13)。
在图4至图7,我们可见到的是框架压床10,其具有下部液压缸11,下部液压缸11在整个过程中执行三个功能:首先它们将模具提升至我们所确定的用于由产品14形成的毯状物(blanket)的厚度的高度。可移动滑车16保持有轮子17(图10),轮子沿着刚性地紧固至压床的框架上的轨道18(图6)循环,一旦模具填充有从可移动滑车16的计量料斗15配送和倒出的产品14,上部缸13驱动时下降上热板12,从而模具闭合,并且在压制操作中抬升冲平台30直到到达测量器。
之后,凭借液压缸9提升上热板12,并且升起液压缸11,芯板2被所述的缸推至外围框架19的高度,然后,正如我们在图9中观察到的,一组推进器27上升以从模具锯齿板6拉出面板,所述这些推进器由缸21驱动。
一旦在模具外部用具有夹子(附图中未示出)的滑车之一将芯板移到空心面板的堆放区域,同时料斗再次填充入模具。当滑车16退出时,在压床的相反侧发生新的压制,然后具有夹子的另一滑车从滑车16的另一相反侧将其移除,同时模具再次被料斗15填充。
正如图5中所见,模具的底部的锯齿板6固定至热板20,热板20又搁置在绝缘板29上,绝缘板29防止热量传输至冲平台30(图14),其能够向下移动以接纳产品14以进行压制(见图5),这由一系列液压缸11进行,图15。在模具中接纳的产品14被称为产品毯状物;该毯状物被压制成一定规格,取决于其厚度,该规格能够变化,该规格通过测量器5确定(图6和图14)。
类似事情发生在芯板的上表面,因为闭合模具时(下降具有锯齿板7的上热板12),所述上板7的平坦延伸部34闭合模具(图4和图6)。
另一方面,包含产品14的料斗15在压床的外部,位于压床的一侧或另一侧,以允许下降上热板,上热板闭合模具以执行其压缩。
图10和图11显示了具有包含产品14的大料斗15的滑车16的几何形状。中央旋转辊39设置有叶片并且优选地通过两个传送带40供给产品14,两个传送带40朝向中心行进,随着产品行进,用四个中央旋转辊39配送的产品被排出。存在分配器41(见图10),其帮助沿模具的整个宽度均匀分配。
图11显示了下部设备,其中四个清洁辊43是重要的,它们较长并且扫过外围框架的水平表面,从而避免污垢。
还提出的是,由清洁辊43扫出的多余产品被收集在设置于模具端部的一个或另一个通道48中,并且利用布置在相应通道48底部中的分离蜗轮49的旋转来重配置多余产品用于其回收(图4)。

Claims (4)

1.一种用于制造空心面板的模具,包括空心中央面板和用粘合剂接合至所述中央面板的两个外部覆盖板片,所述模具布置在框架压床中,框架压床的上热板被抬升以允许配送装置进入,该配送装置在模具中排出木质纤维和胶形成的产品,然后在压制阶段上热板下降从而闭合模具顶部,压床的下热板限定了模具的可移动底部,其特征在于所述模具包括:
固定的外围框架(19),其尺寸对应于面板,
加热板(20),其能够被液压缸(11)垂直移动,所述加热板(20)的自由表面被锯齿形轮廓板占据,锯齿形轮廓板形成模具,其具有带角度和期望高度的平行条纹,是可互换的,
冲平台(30)和加热板(20),它们被压床的下液压缸(11)驱动,
第二锯齿板(7),形成模具的一部分,第二锯齿板刚性地紧固至压床的上热板(12),与下锯齿板具有相同的锯齿,但相对于下锯齿板以交错方式偏移,从而形成空心面板(1)的空心中央主体(2)的倾斜壁(4)。
2.根据权利要求1所述的用于制造空心面板的模具,其中,配送滑车(16)能够从模具的一侧运动至另一侧以排出大计量料斗(15)中包含的产品(14),配送滑车配备有旋转辊(39),旋转辊横向布置,并且配备有径向叶片以排出在附属的两个传送带(40)上所接收并在该中央区域由两个叶片分配器(41)所混合的产品(14),其中所述叶片分配器横向接收并引导产品(14)以使沿模具的整个宽度均匀分配。
3.根据权利要求2所述的用于制造空心面板的模具,其特征在于,所述配送滑车(16)在前部和后部区域中在其摇摆运动方向上包括下部清扫辊(43),所述下部清扫辊清洁所述模具表面并统一化产品(14)的浇筑层。
4.根据权利要求3所述的用于制造空心面板的模具,其特征在于,由辊(43)扫出的多余产品(14)被收集在设置于模具端部的一个或另一个通道(48)中,用相应通道(48)底部的不同蜗轮(49)执行其回收。
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