WO2012027950A1 - 复合门及其制备工艺 - Google Patents

复合门及其制备工艺 Download PDF

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Publication number
WO2012027950A1
WO2012027950A1 PCT/CN2011/001357 CN2011001357W WO2012027950A1 WO 2012027950 A1 WO2012027950 A1 WO 2012027950A1 CN 2011001357 W CN2011001357 W CN 2011001357W WO 2012027950 A1 WO2012027950 A1 WO 2012027950A1
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WO
WIPO (PCT)
Prior art keywords
door
keel
adhesive layer
door panel
composite
Prior art date
Application number
PCT/CN2011/001357
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English (en)
French (fr)
Inventor
苏航
Original Assignee
Su Hang
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Su Hang filed Critical Su Hang
Publication of WO2012027950A1 publication Critical patent/WO2012027950A1/zh

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
    • E06B3/70—Door leaves
    • E06B3/82—Flush doors, i.e. with completely flat surface
    • E06B3/822—Flush doors, i.e. with completely flat surface with an internal foursided frame

Definitions

  • the invention relates to a door and a processing method thereof, in particular to a composite door and a preparation process thereof, belonging to the technical field of furniture.
  • the composite door in the prior art is mainly composed of a door core, a door panel and a keel, and some of the outer surface of the door panel is also pasted with a solid wood veneer.
  • Most of the keels of the current composite doors are wooden keels.
  • the wooden keels of the composite doors are usually embedded with aluminum profiles.
  • the door of the prior art door and the edge of the aluminum profile are often cracked and deformed, which not only increases the cost, but also seriously affects the quality of the door.
  • the manufacturing process of the composite door is as follows: First, the door core, the door panel and the keel are prepared. After the adhesive is applied on both sides of the door panel, the keel is assembled, the door core is embedded, the door leaf is synthesized, and the pressure molding is performed, and the size is cut; The keyhole is milled, the groove is opened, and the aluminum profile is embedded in the groove to complete the fabrication process of the composite door.
  • the composite door is processed, and the steps of bonding, pressure molding and the like all need to wait for more than ten hours to proceed to the next step, the production cycle is long, the efficiency is low, and it is not favorable for industrial production; meanwhile, due to the edge sealing of the aluminum profile It is embedded in the door body. Because the expansion and contraction rates of the two are different, it often causes the seam, the clutch and the deformation of the door between the door and the edge, which seriously affects the overall quality of the door.
  • the present invention is directed to the above problems in the prior art, and provides a composite door that solves the existing
  • the composite door in the technology is easy to crack, deform, and has high cost, and the invention is convenient to install and stable in quality.
  • Another object of the present invention is to provide a process for preparing a composite door, which solves the problems of long production cycle, low efficiency, easy deformation and cracking of the door by the preparation process of the composite door in the prior art.
  • the door core, the door panel and the keel edge are sealed, and the door panel is adhered to both sides of the door core; the door panel and the door core are integrally bonded, and the keel seal is provided with a groove and a bonding layer.
  • the adhesive layer is composed of a double-sided adhesive layer and a liquid adhesive layer.
  • the inner surface of the door panel is provided with a melamine layer.
  • the keel edge seal is an aluminum profile.
  • the preparation process of the invention comprises the following steps: prefabricated keel sealing: an aluminum profile is selected, the keel is machined according to the size of the door body, the keyhole and the hinge hole are pre-milled, and grooves are arranged on both sides of the keel to form a keel seal;
  • Gluing The double-sided adhesive layer and the liquid adhesive layer are sequentially coated on the keel sealing edge, and the liquid adhesive layer is coated on the upper side of the keel sealing groove;
  • Prefabricated door panel matched with the inner dimension of the keel seal to cut the door panel and the door core, the door panel is adhered to both sides of the door core, and the inner surface of the door panel is provided with a melamine layer;
  • the double-sided adhesive layer and the liquid adhesive layer of the keel seal are respectively bonded to the inner surface of the door panel, so that the keel seal is integrated with the door panel.
  • a gap is provided between the door panel and the keel seal.
  • the double-sided adhesive layer is an acrylic double-sided tape.
  • the liquid glue layer is any one of a polyurethane structural adhesive and a silicone structural adhesive.
  • the keel Since the keel is provided with a groove on the edge of the keel, it can accommodate the liquid glue squeezed during the bonding, preventing the overflow of the liquid glue.
  • the double-sided adhesive layer can quickly bond the door panel and the keel sealing edge, and does not require waiting between processes, thereby greatly saving production time, obviously The production efficiency is improved, and the liquid glue layer is bonded to the keel seal edge and then dried naturally, thereby avoiding the cumbersomeness of the prior art to wait for the liquid glue to dry to bond the door panel and the edge seal.
  • the adhesive layer of the present invention enhances the bonding strength.
  • the invention directly processes the keel sealing edge and the door panel into one body, and eliminates the deformation and cracking problems caused by the prior art sealing and embedding into the door body; meanwhile, the keel sealing edge of the invention is aluminum profile.
  • the invention has a melamine layer on the inner surface of the door panel, which enhances the moisture resistance and the firmness of the door panel and improves the quality.
  • the present invention achieves a qualitative leap in production time, and can be processed into a door by a few hours or even ten hours in the prior art, and can be processed into one door.
  • the invention is convenient for mass production, has low cost, long service life, stable performance, and high practicability and reliability.
  • Figure 1 is a schematic view of the structure of the present invention.
  • the present invention comprises a door core 2, a door panel 1 and a keel edge 3, the door panel 1 is adhered to both sides of the door core 2, and the inner surface of the door panel 1 is provided with a melamine layer 7, a door panel 1 and a door core 2
  • the keel seals 3 are all aluminum profiles, the keel seals 3 are provided with grooves 6 and a bonding layer, and the bonding layer is composed of a double-sided adhesive layer 5 and a liquid glue layer 4.
  • the preparation process of the invention comprises the following steps: prefabricated sealing: an aluminum profile is selected, the keel is machined according to the size of the door body, the keyhole and the hinge hole are pre-milled, and grooves are arranged on both sides of the keel to form a keel seal;
  • Gluing The keel edge is coated with acrylic double-sided tape and polyurethane structural adhesive in turn, and the polyurethane structural adhesive is coated on the upper side of the keel sealing groove;
  • Prefabricated door panel matched with the inner dimension of the keel seal to cut the door panel and the door core, the door panel is adhered to both sides of the door core, and the inner surface of the door panel is provided with a melamine layer;
  • the double-sided adhesive layer and the liquid adhesive layer of the keel seal are respectively bonded to the inner surface of the door panel, so that the keel seal is integrated with the door panel; a gap is formed between the door panel and the keel seal.
  • a silicone structural adhesive may be used instead of the polyurethane structural adhesive.

Landscapes

  • Engineering & Computer Science (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Securing Of Glass Panes Or The Like (AREA)

Description

复合门及其制备工艺 技术领域
本发明涉及一种门及其加工方法， 尤其涉及一种复合门及其制备工艺， 属 于家具技术领域。
背景技术
随着现代建筑业的不断发展， 对门窗要求也不断的提高， 门的使用， 已有 几千年的历史。 人类社会发展到今天， 复合门越来越成为门的主流。 现有技术 中的复合门主要由门芯、 门板和龙骨构成， 有的在门板的外表面还会粘贴一层 实木木皮。 现在的复合门的龙骨大都为木质龙骨， 为了增强复合门的强度和美 观， 人们通常又在复合门的木质龙骨外嵌以铝型材封边。 但是受其本身结构和 制作工艺的限制， 导致现有技术中的复合门的门扇与铝型材封边之间经常开裂、 变形， 不仅增大了成本， 而且严重影响了门的质量。
目前， 复合门的制作工艺如下： 首先准备门芯、 门板和龙骨， 在门板两面 涂布粘结剂后， 组合好龙骨， 嵌入门芯， 合成门扇， 加压成型， 按尺寸剪裁； 在边框上铣好锁孔， 开设凹槽， 铝型材封边嵌入凹槽中， 以完成整个复合门的 制作过程。 通过上述工艺加工制作复合门， 粘接、 加压成型等步骤都需要消耗 十几个小时的等待才能进行下一步骤， 生产周期长， 效率低， 不利于工业化生 产； 同时， 由于铝型材封边是后嵌入到门体上的， 由于二者的胀缩率不一样， 经常会引起门体与封边之间开缝、 离合、 门体的变形， 严重影响了门的整体质
发明内容
本发明针对上述现有技术中存在的问题， 提供了一种复合门， 解决了现有 技术中的复合门容易开裂、 变形， 成本又高的问题， 而且本发明安装便捷、 质 量稳定。
本发明另一个目的在于提供一种复合门的制备工艺， 解决了现有技术中复 合门的制备工艺生产周期长、 效率低、 门体易变形、 开裂的问题。
本发明的技术方案如下：
包括门芯、 门板和龙骨封边， 门板粘附于门芯的两侧； 门板与门芯之间粘 接为一体， 龙骨封边上设有凹槽和粘结层。
所述的粘结层由双面胶层和液体胶层构成。
所述的门板的内表面设有三聚氰胺层。
所述的龙骨封边为铝型材。
本发明的制备工艺包括下述步骤- 预制龙骨封边： 选用铝型材， 按门体尺寸加工出龙骨， 预铣锁孔与合页孔， 龙骨的两侧设置凹槽， 组成龙骨封边；
涂胶： 龙骨封边上依次涂布双面胶层和液体胶层， 液体胶层涂布在龙骨封 边凹槽的上方；
预制门板； 与龙骨封边的内侧尺寸相匹配剪裁出门板和门芯， 门板粘附于 门芯的两侧， 门板的内表面设置三聚氰胺层；
加工： 龙骨封边的双面胶层和液体胶层分别与门板的内表面粘结， 使龙骨 封边与门板合成一体。
所述的加工步骤中， 门板与龙骨封边之间设置有空隙。
所述的双面胶层为丙烯酸双面胶带。
所述的液体胶层为聚氨酯结构胶和硅胶结构胶中的任一种。
本发明的优点效果如下： 1、 由于龙骨封边上设有凹槽， 所以可以容纳粘结时挤压出的液体胶， 防止 了液体胶的外溢。
2、 由于龙骨封边上依次设有双面胶层和液体胶层， 双面胶层可以使门板与 龙骨封边快速的粘结为一体， 无需工序间的等待， 大大节省了生产时间， 明显 提高了生产效率， 液体胶层待门板与龙骨封边粘结为一体后， 自然晾干即可， 避免了现有技术中需要等待液体胶的晾干才能使门板与封边进行粘结的繁琐， 而且本发明的胶层增强了粘接强度。
3、 本发明是将龙骨封边与门板直接加工成一体， 杜绝了现有技术中封边后 嵌入到门体里， 引起的变形、 开裂问题； 同时， 本发明的龙骨封边均为铝型材， 解决了现有技术中封边为铝型材， 龙骨为木质， 二者之间的缩涨率不同的问题， 而且简化了工序， 提高了强度， 取得了预料不到的技术效果。
4、 本发明在门板的内表面设有三聚氰胺层， 增强了门板的防潮性能和粘接 牢固性能， 提高了质量。
5、 门板与龙骨封边之间设有间隙， 解决了门板和龙骨封边之间由于材质不 同， 縮胀率不同的问题， 杜绝了门板的变形弯曲和开裂问题。
另外， 本发明与现有技术相比， 在生产时间上取得了质的飞跃， 由现有技 术中的几个小时甚至十几个小时， 缩短为几分钟即可加工成型一个门， 解决了 本领域技术人员一直渴望解决的技术难题。 同时， 本发明便于批量生产， 且成 本较低， 使用寿命长， 性能稳定， 实用性和可靠性强。
附图说明
图 1为本发明的结构示意图。
图中， 1、 门板， 2、 门芯， 3、 龙骨封边， 4、 液体胶层， 5、 双面胶层， 6、 凹槽， 7、 三聚氰胺层。
具体实施方式
本发明参照附图， 结合具体实施例， 进行详细描述如下：
实施例
如图 1所示， 本发明包括门芯 2、 门板 1和龙骨封边 3， 门板 1粘附于门芯 2的两侧，门板 1的内表面设有三聚氰胺层 7，门板 1与门芯 2之间粘接为一体; 龙骨封边 3均为铝型材， 龙骨封边 3上设有凹槽 6和粘结层， 粘结层由双面胶 层 5和液体胶层 4构成。
本发明的制备工艺包括下述步骤- 预制封边： 选用铝型材， 按门体尺寸加工出龙骨， 预铣锁孔与合页孔， 龙 骨的两侧设置凹槽， 组成龙骨封边；
涂胶： 龙骨封边上依次涂布丙烯酸双面胶带和聚氨酯结构胶， 聚氨酯结构 胶涂布在龙骨封边凹槽的上方；
预制门板； 与龙骨封边的内侧尺寸相匹配剪裁出门板和门芯， 门板粘附于 门芯的两侧， 门板的内表面设置三聚氰胺层；
加工： 龙骨封边的双面胶层和液体胶层分别与门板的内表面粘结， 使龙骨 封边与门板合成一体； 门板与龙骨封边之间设置有空隙。
本发明上述涂胶步骤中， 可以用硅胶结构胶代替聚氨酯结构胶。

Claims

权 利 要 求
1、 复合门， 包括门芯、 门板和龙骨封边， 门板粘附于门芯的两侧； 其特征 在于门板与门芯之间粘接为一体， 龙骨封边上设有凹槽和粘结层。
2、 根据权利要求 1所述的复合门， 其特征在于所述的粘结层由双面胶层和 液体胶层构成。
3、 根据权利要求 1所述的复合门， 其特征在于所述的门板的内表面设有三 聚氰胺层。
4、根据权利要求 1所述的复合门，其特征在于所述的龙骨封边均为铝型材。
5、 制备权利要求 1所述的复合门的制备工艺， 其特征在于包括下述步骤： 预制龙骨封边： 选用铝型材， 按门体尺寸加工出龙骨， 预铣锁孔与合页孔， 龙骨的两侧设置凹槽， 组成龙骨封边；
涂胶： 龙骨封边上依次涂布双面胶层和液体胶层， 液体胶层涂布在龙骨封 边凹槽的上方；
预制门板； 与龙骨封边的内侧尺寸相匹配剪裁出门板和门芯， 门板粘附于 门芯的两侧， 门板的内表面设置三聚氰胺层；
加工： 龙骨封边的双面胶层和液体胶层分别与门板的内表面粘结， 使封边 与门板合成一体。
6、 根据权利要求 5所述的复合门的制备工艺， 其特征在于所述的加工步骤 中， 门板与龙骨封边之间设置有空隙。
7、 根据权利要求 5所述的复合门的制备工艺， 其特征在于所述的双面胶层 为丙烯酸双面胶带。
8、 根据权利要求 5所述的复合门的制备工艺， 其特征在于所述的液体胶层 为聚氨酯结构胶和硅胶结构胶中的任一种。
PCT/CN2011/001357 2010-09-03 2011-08-15 复合门及其制备工艺 WO2012027950A1 (zh)

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CN101949253B (zh) * 2010-09-03 2012-04-11 苏航 复合门及其制备工艺

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US20070077405A1 (en) * 2005-09-30 2007-04-05 Basf Corporation Inorganic/organic-filled styrenic thermoplastic door skins
CN200943409Y (zh) * 2006-09-05 2007-09-05 黄根芳 一种复合门扇
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