CN115666797A - 用于涂覆连续片材的系统 - Google Patents

用于涂覆连续片材的系统 Download PDF

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CN115666797A
CN115666797A CN202180044877.9A CN202180044877A CN115666797A CN 115666797 A CN115666797 A CN 115666797A CN 202180044877 A CN202180044877 A CN 202180044877A CN 115666797 A CN115666797 A CN 115666797A
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J·F·巴伯兰拉托雷
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J FBabolanlatuolei
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    • B05C1/04—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length
    • B05C1/08—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line
    • B05C1/0826—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line the work being a web or sheets
    • B05C1/0834—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line the work being a web or sheets the coating roller co-operating with other rollers, e.g. dosing, transfer rollers
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    • B05C1/00—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating
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    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
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    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27D—WORKING VENEER OR PLYWOOD
    • B27D5/00—Other working of veneer or plywood specially adapted to veneer or plywood
    • B27D5/003—Other working of veneer or plywood specially adapted to veneer or plywood securing a veneer strip to a panel edge
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    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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Abstract

一种用于涂覆连续片材(1)的系统，其包括：施加辊(10)，该施加辊(10)用于在片材(1)由施加压力元件(11)按压抵靠施加辊(10)时，将涂层施加在片材(1)上；平滑辊(20)，该平滑辊(20)用于在片材(1)由平滑压力元件(21)按压抵靠平滑辊(20)时，通过平滑辊(20)与涂层的接触来使施加在片材(1)上的涂层平滑；施加压力元件(11)和平滑压力元件(21)能够独立地移动以便按压片材(1)。

Description

用于涂覆连续片材的系统
技术领域
本发明涉及连续过程中的涂覆产品至片材或层状材料的辊施加。本发明尤其涉及借助于使用胶或粘合剂作为涂覆产品的、用于涂覆家具的构件部分(诸如面板或外形)的连续片材的制备。
背景技术
当前，用于将涂层或涂覆产品层(例如，胶或粘合剂)施加至连续片材的辊施加系统是众所周知的。在这些辊施加系统中，当片材在涂覆产品的转移区域中由施加压力元件按压抵靠施加辊时，施加辊将涂层施加在片材上。
借助于这些辊施加系统，有可能实现涂层在片材上的均匀分布。这对于胶合施加而言是有用的，其中施加至片材的涂覆产品是胶或粘合剂，因为其使得缺陷能够被消除，当将片材紧固在基部部分上时，所述缺陷可由于施加的胶的质量中的差异而出现。
对于所谓的高光泽涂层，其中使用了高光泽片材，换句话说，高光泽片材由表面光泽类似于镜子的表面光泽的材料制成，或者在透明涂层中，其中使用了透明片材，任何微小的缺陷可被更容易地看到，出于该原因，胶的均匀施加是尤其相关的。专利文献ES 2394833描述用于将胶施加至连续片材以用于施加高光泽的辊施加系统。
鉴于目前存在的已知解决方案，本发明的目的在于提供用于涂覆连续片材的系统，该系统使得能够以改进的方式获得均匀的涂层，尤其是对于高光泽、透明或类似的涂层而言具有实际实用性，其中由于其特征，它们使得有可能容易地看到施加缺陷。
发明内容
为了达到该目的并且解决迄今为止讨论的技术问题，除了提供可随后得出的附加优点之外，本发明涉及一种用于涂覆连续片材的系统，该系统包括施加辊，该施加辊用于在片材由施加压力元件按压抵靠施加辊时，将涂层施加在片材上。
此外，根据本发明的涂覆系统包括平滑辊，该平滑辊用于在片材由平滑压力元件按压抵靠平滑辊时，通过平滑辊与涂层的接触来使施加在片材上的涂层平滑。
施加辊和平滑辊的该连续布置使得有可能：一旦涂层由涂覆辊沉积在连续片材上，平滑辊就向施加的涂层提供所需的更大的均匀性。
根据本发明，施加压力元件和平滑压力元件能够独立地移动，以便按压片材，换句话说，它们可独立地靠近相应的施加辊或平滑辊。用于独立移动的该能力使得有可能提供经优化的均匀或平滑涂层，因为其使得施加的涂层能够独立于所述施加的涂层通过调节所述均匀性或平滑性来变得均匀或平滑。
优选地，施加压力元件和/或平滑压力元件在其移动上可为可调节的。在本发明的上下文中，“在移动上可调节”被理解为压力元件能够从初始位置移动至多个选定的不同终点位置，特别是其中压力元件抵靠相应的施加辊或平滑辊施用不同压力的终点位置。
压力元件的移动的调节使得有可能调节涂层的所需均匀性。在该意义上，其被设计成：压力元件可连续地移动，从而实现以更精确的方式调节其移动，并因此更精确地调节施加至片材的涂层的均匀性。
另外，优选地，系统可包括移动控制器，以便控制施加压力元件和/或平滑压力元件的移动。在本发明的上下文中，移动的控制，特别是移动的调节的控制被理解为按照由控制器存储的程序或指令执行移动。以该方式，有可能简化或加速系统的操作，以便获得最佳的均匀涂层。
同样地，控制可自动地执行，例如，借助于通过控制器处理系统的操作参数，所述系统的操作参数诸如为涂覆产品的克重、片材或待覆盖有片材的构件部分的特征(例如，待胶合的片材或面板的孔隙率、待胶合的片材的厚度等)、片材的前进速度或张力、构件部分的前进速度等。该控制可在不使系统停止的情况下执行以便调节压力元件的移动，或者甚至可实时执行。例如，有利地，为了针对较高的施加涂层克重获得最佳的均匀涂层，相比于较低的涂层克重，有可能选择平滑压力元件的较低压力。
因此，本发明提供一种用于涂覆连续片材的系统，该系统使得能够获得改进的均一平滑性(尤其是对于高光泽、透明或类似涂层的施加而言)，其中由于其特征，它们使得有可能容易地看到施加缺陷，诸如胶合缺陷。
附图说明
以下附图被包括为本发明的至少一个实施例的解释的部分。
图1示出根据本发明的用于涂覆连续片材(1)的系统的实施例，其中涂覆产品是胶(2)，其被施加至片材(1)，以便覆盖具有片材(1)的面板(3)。
图2示出根据本发明的用于涂覆连续片材(1)的系统的另一个实施例，其中涂覆产品是胶(2)，其施加至片材(1)，以用于将该片材(1)连结至另一个连续片材。
图3详细示出施加辊(10)、平滑辊(20)和相应的施加压力元件(11)和平滑压力元件(21)，以及用于图1和图2的实施例的系统的其他构件。
图4a、4b和4c示出用于图1至3的实施例的系统的操作的示例的连续步骤。
具体实施方式
本发明涉及用于为家具的构件部分(诸如面板或外形)施加涂层(诸如美观涂层)的系统，利用本发明的该系统来实现满足施加高光泽、透明或类似涂层的必要要求的特征。
下面描述的施加使用胶(2)作为涂覆产品，例如，可使用诸如PUR的热熔胶，特别是透明的胶。透明的胶有利地用于粘合透明片材，从而实现涂层的底部的适当视野。
系统包括具有施加辊(10)和配量辊(50)的施加头部(40)。配量辊(50)与施加辊(10)协作，以便借助于施加辊(10)和配量辊(50)的旋转和相对移动将一定量的胶(2)施配到施加辊(10)上。施加压力元件(11)按压片材(1)抵靠施加辊(10)，使得胶(2)被施加在片材(1)上。
一旦胶(2)被施加至片材(1)，因此获得的涂层借助于在片材(1)的前进方向上布置在施加辊(10)之后的平滑辊(20)来平滑。平滑压力元件(21)按压片材(1)抵靠平滑辊(20)，以便使由施加辊(10)施加的胶涂层平滑。
连续片材(1)借助于引导辊(9)从供给卷轴(feed reel)(4)供给，在施加辊(10)和施加压力元件(11)之间以及在平滑辊(20)和平滑压力元件(21)之间经过。
所提出的施加头部(40)的实施例不是限制性的，因为配量辊(50)和施加辊(10)还可在相同方向上旋转，并且同样地，胶(2)对施加辊(10)的贡献还可通过其他手段，例如借助于经过限制元件(passage-limiting element)(例如，呈刀片或刮刀的形式)，或者借助于边缘熔化器(edge melter)。如图3所示，根据本发明，平滑辊(20)还设计成能够与施加辊(10)以及(如果合适的话)配量辊(50)一起被紧固至施加头部(40)。
类似地，施加辊(10)和片材(1)之间的关系可使得施加辊(10)在片材(1)的前进方向上旋转，如所示出的那样，或者在相反的方向上旋转(在这不改变系统的实际功能的情况下)。
同样地，平滑辊(20)可在与片材的前进相反的方向上旋转，如所示出的那样，或者在相同的方向上旋转。平滑辊(20)的旋转使得防止辊的局部磨损成为可能，并且促进移除起因于平滑处理的过量涂覆产品，所述过量涂覆产品可借助于限制涂覆产品的经过的元件，诸如刀片(22)来收集。
在图1中提出的系统的实施例中，在平滑处理之后，片材(1)穿过包括相应的压延辊(7),(8)的两个连续的压延组件。借助于压延，胶合片材(1)紧固至面板(3)，从而覆盖该面板(3)，进而有利于接头为完全均匀的。第一压延(7)使得片材固定在基部部分上，而第二压延(8)使得接头能够变得更加均匀。
在图2中提出的系统的实施例中，在平滑处理之后，片材(1)穿过包括相应的压延辊(7),(8)的两个连续的压延组件。与图1中提出的实施例不同，借助于压延，胶合片材(1)紧固至从另一个供给卷轴(5)供给的另一个连续片材，同样有利于接头为完全均匀的。以同样的方式，第一压延(7)使得胶合片材能够固定在另一片材上，而第二压延(8)使得接头能够变得更加均匀。由两个连结的片材产生的层状产品卷绕在收集卷轴(6)中。
在提出的实施例中，施加压力元件(11)和平滑压力元件(21)采用旋转辊的形式，但是该实施例不是限制性的。不同的解决方案可继而用作施加压力元件(11)或平滑压力元件(21)，例如滑轨、气垫等。有利地，旋转辊使得片材与压力元件的摩擦和局部磨损能够减少。
根据本发明，压力元件(11)、(21)可为可互换的，能够由不同的材料制成并且具有适合于不同应用的尺寸。特别地，有可能使压力元件(11)、(21)具有对应于片材的不同宽度的不同长度。
在根据本发明的优选实施例中，施加辊(10)、配量辊(50)和平滑辊(20)是金属的，与具有橡胶涂层的辊相比，这提供较大的耐用性和较少的维护。更优选地，金属辊被加热以便促进涂覆产品的施加和平滑处理，尤其是在热熔胶的情况下。
为了移动施加压力元件或平滑压力元件，可使用致动器，例如线性致动器。图3示出用于移动施加压力元件(11)的施加移动致动器(31)，以及用于移动平滑压力元件(21)的平滑移动致动器(32)。
例如，借助于气动致动器，对应的压力元件(11)、(21)可从初始位置移动至最终位置，在该初始位置，所述对应的压力元件(11)、(21)不抵靠施加辊(10)或平滑辊(20)在片材(1)上施用压力，在该最终位置，所述对应的压力元件(11)、(21)抵靠所述辊(10)、(20)在片材(1)上施用一些压力。例如，借助于蜗杆致动器，压力元件(11)、(21)可以以经调节且连续的方式移动至不同的位置，其中压力元件(11)、(21)抵靠所述辊(10)、(20)施用不同的压力。
图3提出移动控制器(30)，其作用在施加移动致动器(31)和平滑移动致动器(32)上以用于控制施加压力元件(11)和平滑压力元件(21)的移动或调节。
在示例性实施例中，移动控制器(30)构造成在施加压力元件(11)将片材(1)按压抵靠施加辊(10)之后，平滑压力元件(21)开始将片材(1)按压抵靠平滑辊(20)。图4a、4b和4c示出以该方式控制的压力元件(11)、(21)的移动的顺序。以该方式，有可能为系统的启动提供平滑的过渡。
特别地，遵循先前段落的示例性实施例，移动控制器(30)可构造成当片材(1)达到恒定张力和/或前进速度时，平滑压力元件(21)开始将片材(1)按压抵靠平滑辊(20)。以该方式，有可能防止生成可使片材(1)弯曲的褶皱或张力。
在另一个示例性实施例中，移动控制器(30)构造成使平滑压力元件(21)移动，同时保持施加压力元件(11)固定。以该方式，促进了施加的涂层的均匀性的适当控制，能够排他地改变平滑压力元件的移动，以便改变其抵靠平滑辊(20)施用在片材(1)上的压力。

Claims (7)

1.一种用于涂覆连续片材(1)的系统，其包括
施加辊(10)，所述施加辊(10)用于在所述片材(1)由施加压力元件(11)按压抵靠所述施加辊(10)时，将涂层施加在所述片材(1)上，
平滑辊(20)，所述平滑辊(20)用于在所述片材(1)由平滑压力元件(21)按压抵靠所述平滑辊(20)时，通过所述平滑辊(20)与所述涂层的接触来使施加在所述片材(1)上的所述涂层平滑，
所述施加压力元件(11)和所述平滑压力元件(21)能够独立地移动，以便按压所述片材(1)。
2.根据权利要求1所述的用于涂覆连续片材的系统，其中，所述施加压力元件(11)和/或所述平滑压力元件(21)在其移动上是可调节的。
3.根据权利要求1或2中的一项所述的用于涂覆连续片材的系统，所述用于涂覆连续片材的系统包括用于控制所述施加压力元件(11)和/或所述平滑压力元件(21)的移动的移动控制器(30)。
4.根据权利要求3所述的用于涂覆连续片材的系统，其中，所述移动控制器(30)构造成在所述施加压力元件(11)将所述片材(1)按压抵靠所述施加辊(10)之后，所述平滑压力元件(21)开始将所述片材(1)按压抵靠所述平滑辊(20)。
5.根据权利要求4所述的用于涂覆连续片材的系统，其特征在于，所述移动控制器(30)构造成当所述片材(1)达到恒定张力和/或前进速度时，所述平滑压力元件(21)开始将所述片材(1)按压抵靠所述平滑辊(20)。
6.根据权利要求3至5中的一项所述的用于涂覆连续片材的系统，其中，所述移动控制器(30)构造成在维持所述施加压力元件(11)固定的同时，移动所述平滑压力元件(21)。
7.根据权利要求1至6中的一项所述的用于涂覆连续片材的系统，其特征在于，所述用于涂覆连续片材的系统包括施加头部(40)，所述施加辊(10)和所述平滑辊(20)被紧固至所述施加头部(40)。
CN202180044877.9A 2020-06-26 2021-06-04 用于涂覆连续片材的系统 Pending CN115666797A (zh)

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