WO2023173802A1 - 一种基于中间层双面涂布的无溶剂三合一复合设备 - Google Patents

一种基于中间层双面涂布的无溶剂三合一复合设备 Download PDF

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WO2023173802A1
WO2023173802A1 PCT/CN2022/134320 CN2022134320W WO2023173802A1 WO 2023173802 A1 WO2023173802 A1 WO 2023173802A1 CN 2022134320 W CN2022134320 W CN 2022134320W WO 2023173802 A1 WO2023173802 A1 WO 2023173802A1
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unit
section
coating
belt path
material belt
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PCT/CN2022/134320
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English (en)
French (fr)
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左光申
黄顺利
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广州通泽机械有限公司
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Publication of WO2023173802A1 publication Critical patent/WO2023173802A1/zh

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/12—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
    • B32B37/1284—Application of adhesive

Definitions

  • the invention relates to solvent-free composite equipment, in particular to a solvent-free three-in-one composite equipment based on double-sided coating of an intermediate layer.
  • Solvent-free three-in-one lamination refers to the process of completing solvent-free lamination of three-layer substrates in one go. It has the advantages of high production efficiency, high yield, and can avoid the disadvantages of some double-layer lamination processes, and its application is constantly expanding.
  • the usual solvent-free three-in-one composite process uses two glue coatings and applies them to the surfaces of the two substrates to complete the composite. However, in different real fields, the surface and inner layers of the three-layer composite structure cannot be glued. Or for applications where the glue coating effect is not good, in order to complete this three-layer composite structure, it is necessary to develop a process that can use glue on both sides of the middle layer during the composite process.
  • the technical problem to be solved by the present invention is to provide a solvent-free three-in-one composite equipment based on double-sided coating of the intermediate layer, so as to solve the problem that the existing three-in-one solvent-free composite equipment cannot apply glue and composite on both sides of the intermediate layer base material.
  • the technical solution of the present invention is: a solvent-free three-in-one composite equipment based on double-sided coating of the intermediate layer.
  • the intermediate layer base material roll is unrolled in the first unwinding unit and enters the first section of material.
  • the surface base material roll and the inner base material roll are unrolled in the second unwinding unit and the third unwinding unit respectively and enter the second section of the material belt path and the third section of the material belt path, and the middle layer base material is along the A section of the material belt path enters the first coating unit for front-side coating and then enters the fourth section of the material belt path.
  • the surface substrate or inner layer substrate guided by the second section of the material belt path is different from the surface layer or inner layer of substrate guided by the fourth section of the material belt path.
  • the middle layer substrate is compounded for the first time in the first compounding unit to form a double-layer composite film.
  • the double-layer composite film is guided into the second coating unit through the fifth section of the material belt path.
  • the second coating unit treats the double-layer composite film.
  • the back side of the middle layer substrate is coated with glue and enters the sixth section of the material belt path.
  • the surface layer substrate or inner layer substrate guided by the third section of the material belt path and the double-layer composite film introduced by the sixth section of the material belt path The second compounding unit performs the second compounding to form a three-layer composite film coated on both sides of the middle layer base material.
  • the three-layer composite film enters the winding unit along the seventh section of the material belt path to complete the winding.
  • a solvent-free three-in-one composite equipment based on double-sided coating of the intermediate layer includes a rack, with a first unit, a second unit, a third unit and a fourth unit arranged side by side from left to right below the rack;
  • the third unwinding unit is arranged on the left side of the first unit;
  • the winding unit and the second unwinding unit are arranged on the left and right parts of the lower part of the second unit;
  • the second composite unit is arranged on the upper left side of the second unit; and the second compound unit is arranged on the lower left side of the third unit.
  • the first coating unit, the first composite unit is arranged on the upper left of the third unit, the first unwinding unit is arranged on the lower right of the third unit; the second coating unit is arranged on the right side of the fourth unit; the first section of the material belt path It is located between the first unwinding unit and the first coating unit of the third unit.
  • the second section of the material belt path is located between the second unwinding unit of the second unit and the first composite unit of the third unit.
  • the third section The material belt path is located between the third unwinding unit of the first unit and the second compounding unit of the second unit.
  • the fourth section of the material tape path is located between the first coating unit and the first compounding unit of the third unit.
  • the five-section material belt path is located between the first compounding unit of the third unit and the second coating unit of the fourth unit, and the sixth-section material belt path is located between the second coating unit of the fourth unit and the second coating unit of the second unit.
  • the seventh material belt path is located between the second compounding unit and the winding unit of the second unit.
  • a solvent-free three-in-one composite equipment based on double-sided coating of the intermediate layer includes a rack, with a first unit, a second unit, a third unit and a fourth unit arranged side by side from left to right below the rack; A winding unit is arranged on the left side of the first unit, and a second unwinding unit is arranged on the right side of the first unit; a first coating unit is arranged on the lower left side of the second unit, and a first composite unit is arranged on the upper left side of the second unit.
  • the first unwinding unit is arranged on the lower right side of the second unit; the second coating unit is arranged on the lower right side of the third unit; the second composite unit is arranged on the upper right side of the third unit; the third unwinding unit is arranged on the right side of the fourth unit;
  • the first section of the tape path is located between the first unwinding unit and the first coating unit of the second unit, and the second section of the tape path is located between the second unwinding unit of the first unit and the first composite unit of the second unit.
  • the seventh material belt path is located between the second compounding unit of the third unit and the winding unit of the first unit.
  • a solvent-free three-in-one composite equipment based on double-sided coating of the intermediate layer includes a rack.
  • the first unit, the second unit and the third unit are arranged side by side from left to right below the rack; on the left side of the first unit
  • a third unwinding unit is arranged;
  • a winding unit and a second unwinding unit are arranged on the left and right sides of the lower part of the second unit;
  • a second composite unit is arranged on the upper left side of the second unit; and a first coating unit is arranged on the lower left side of the third unit.
  • the first compounding unit is arranged on the upper left side of the third unit, the first unwinding unit is arranged on the lower right side of the third unit, and the second coating unit is arranged on the upper right side of the third unit;
  • the first section of the material belt path is located at the third unit Between the first unwinding unit and the first coating unit, the second section of the tape path is located between the second unwinding unit of the second unit and the first compounding unit of the third unit, and the third section of the tape path is located between the second unwinding unit of the second unit and the first composite unit of the third unit.
  • the fourth section of the material belt path is located between the first coating unit and the first composite unit of the third unit, and the fifth section of the material belt path It is located between the first compounding unit and the second coating unit of the third unit.
  • the sixth section of the material belt path is located between the second coating unit of the third unit and the second compounding unit of the second unit.
  • the seventh section of the material belt The bit path is located between the second composite unit of the second unit and the winding unit.
  • a solvent-free three-in-one composite equipment based on double-sided coating of the intermediate layer includes a rack.
  • the first unit, the second unit and the third unit are arranged side by side from left to right below the rack; on the left side of the first unit A third unwinding unit is arranged; a winding unit and a second unwinding unit are arranged on the left and right sides of the lower part of the second unit; a second composite unit is arranged on the upper left side of the second unit;
  • the first coating unit is arranged in the middle position on the left side of the third unit Unit, the first composite unit is arranged on the upper left side of the third unit, the first unwinding unit is arranged on the lower left side of the third unit, and the second coating unit is arranged on the right side of the third unit;
  • the first section of the material belt path is located at the third unit Between the first unwinding unit and the first coating unit, the second section of the tape path is located between the second unwinding unit of the second unit and the first compounding unit of
  • the fourth section of the material belt path is located between the first coating unit and the first composite unit of the third unit, and the fifth section of the material belt path It is located between the first compounding unit and the second coating unit of the third unit.
  • the sixth section of the material belt path is located between the second coating unit of the third unit and the second compounding unit of the second unit.
  • the seventh section of the material belt The bit path is located between the second composite unit of the second unit and the winding unit.
  • the first coating unit and the second coating unit are both solvent-free coating units.
  • the first section of the material belt path, the second section of the material belt path, the third section of the material belt path, the fourth section of the material belt path, the fifth section of the material belt path, the sixth section of the material belt path and the seventh section Base material belt tension sensing components are installed in the material belt path.
  • Figure 1 is a process flow diagram of the present invention.
  • Figure 2 is a schematic diagram of the four-unit short winding path model.
  • Figure 3 is a schematic diagram of a four-unit short compound path model.
  • Figure 4 is a schematic diagram of the three-unit external unwinding machine.
  • Figure 5 is a schematic diagram of the three-unit internal unwinding machine.
  • a solvent-free three-in-one composite equipment based on double-sided coating of the intermediate layer is unrolled in the first unwinding unit and enters the first section of the material belt path.
  • the surface layer base material roll and the inner base material roll are unrolled in the second unwinding unit and the third unwinding unit respectively and enter the second section of the material belt path and the third section of the material belt path, and the middle layer base material enters the third section of the material belt path along the first section of the material belt path.
  • a coating unit After a coating unit performs front-side coating, it enters the fourth section of the belt path.
  • the surface substrate or inner layer substrate guided by the second section of the belt path and the intermediate layer substrate introduced by the fourth section of the belt path are in the fourth section.
  • a composite unit performs the first composite to form a double-layer composite film.
  • the double-layer composite film is guided into the second coating unit through the fifth section of the material belt path.
  • the second coating unit treats the reverse side of the middle layer substrate of the double-layer composite film.
  • Glue is applied and enters the sixth section of the belt path.
  • the surface base material or inner base material guided by the third section of the belt path and the double-layer composite film introduced by the sixth section of the belt path are processed in the second composite unit.
  • the secondary compounding forms a three-layer composite film coated on both sides of the middle layer base material.
  • the three-layer composite film enters the winding unit along the seventh section of the material belt path to complete the winding.
  • the four-unit short winding path model has the first unit 1, the second unit 2, the third unit 3 and the fourth unit 4 arranged side by side from left to right below the frame 13; the first unit 1
  • the third unwinding unit 7 is arranged on the left side; the winding unit 8 and the second unwinding unit 6 are respectively arranged on the left and right sides of the lower part of the second unit 2, and the second composite unit 12 is arranged on the upper left; the third unit 3 is arranged on the lower left
  • the first coating unit 9, the first composite unit 10 is arranged on the upper left, and the first unwinding unit 5 is arranged on the lower right; the second coating unit 11 is arranged on the right side of the fourth unit.
  • the belt path of this model is as follows: the first belt path 14 is located between the first unwinding unit 5 and the first coating unit 9 of the third unit 3, and the second belt path 15 is located in the second unit 3. Between the second unwinding unit 6 of 2 and the first compounding unit 10 of the third unit, the third strip path 16 is located between the third unwinding unit 7 of the first unit 1 and the second compounding unit 12 of the second unit. The fourth section of the material belt path 17 is located between the first coating unit 9 and the first compounding unit 10 of the third unit 3, and the fifth section of the material belt path 18 is located between the first compounding unit 10 and the first compounding unit 10 of the third unit 3.
  • the sixth section of material belt path 19 is located between the second coating unit 11 of the fourth unit 4 and the second composite unit 12 of the second unit 2.
  • the belt path 20 is located between the second compound unit 12 of the second unit 2 and the winding unit 8 .
  • the four-unit short compound path model has the first unit 2, the second unit 3, the third unit 4 and the fourth unit 1 arranged side by side from left to right under the frame 13; the first unit 2 is on the left
  • the winding unit 8 is arranged on the side, and the second unwinding unit 6 is arranged on the right side;
  • the first coating unit 9 is arranged on the lower left side of the second unit 3
  • the first composite unit 10 is arranged on the upper left side
  • the first compounding unit 10 is arranged on the lower right side of the second unit 3.
  • the second coating unit 11 is arranged on the lower right side of the third unit 4, and the second composite unit 12 is arranged on the upper right side;
  • the third unwinding unit 7 is arranged on the right side of the fourth unit 1.
  • the belt path of this model is as follows: the first belt path 14 is located between the first unwinding unit 5 and the first coating unit 9 of the second unit 3, and the second belt path 15 is located between the first unit 2 Between the second unwinding unit 6 and the first compounding unit 10 of the second unit 3, the third strip path 16 is located between the third unwinding unit 7 of the fourth unit 1 and the second compounding unit of the third unit 4. 12, the fourth section of the material belt path 17 is located between the first coating unit 9 and the first compounding unit 10 of the second unit 3, and the fifth section of the material belt path 18 is located between the first compounding unit 10 of the second unit 3.
  • the sixth section of the material belt path 19 is located between the second coating unit 11 and the second compounding unit 12 of the third unit 4, the seventh section of the material belt path 20 Between the second composite unit 12 of the third unit and the winding unit 8 of the first unit 2.
  • the three-unit external unwinding machine has the first unit 1, the second unit 2 and the third unit 33 arranged side by side from left to right under the frame 13; the third unit 33 is arranged on the left side of the first unit 1.
  • the unwinding unit 7; the winding unit 8 and the second unwinding unit 6 are arranged on the left and right sides of the second unit 2 respectively, and the second composite unit 12 is arranged on the upper left;
  • the first coating unit 9 is arranged on the lower left of the third unit 33
  • the first composite unit 10 is arranged on the upper left
  • the first unwinding unit 5 is arranged on the lower right
  • the second coating unit 11 is arranged on the upper right.
  • the belt path of this model is as follows: the first belt path 14 is located between the first unwinding unit 5 and the first coating unit 9 of the third unit 33, and the second belt path 15 is located in the second unit 2 Between the second unwinding unit 6 and the first compounding unit 10 of the third unit 33, the third strip path 16 is located between the third unwinding unit 7 of the first unit 1 and the second compounding unit of the second unit 2. 12, the fourth section of the material belt path 17 is located between the first coating unit 9 and the first compounding unit 10 of the third unit 33, and the fifth section of the material belt path 18 is located between the first compounding unit 10 of the third unit 33.
  • the sixth belt path 19 is located between the second coating unit 11 of the third unit 33 and the second composite unit 12 of the second unit 2 , and the seventh belt path 20 It is located between the second composite unit 12 of the second unit 2 and the winding unit 8 .
  • the first unit 1, the second unit 2 and the third unit 34 are arranged side by side from left to right below the frame 13; a third unit 34 is arranged on the left side of the first unit 1.
  • the unwinding unit 7; the winding unit 8 and the second unwinding unit 6 are respectively arranged on the left and right sides of the lower part of the second unit 2, and the second composite unit 12 is arranged on the upper left; the first coating unit is arranged in the middle position on the left side of the third unit 34 9.
  • the first composite unit 10 is arranged on the upper left, the first unwinding unit 5 is arranged on the lower left, and the second coating unit 11 is arranged on the right.
  • the belt path of this model is as follows: the first belt path 14 is located between the first unwinding unit 5 and the first coating unit 9 of the third unit 34, and the second belt path 15 is located between the second unit 2 Between the second unwinding unit 6 and the first compounding unit 10 of the third unit 34, the third strip path 16 is located between the third unwinding unit 7 of the first unit 1 and the second compounding unit of the second unit 2. 12, the fourth section of the material belt path 17 is located between the first coating unit 9 and the first compounding unit 10 of the third unit 34, and the fifth section of the material belt path 18 is located between the first compounding unit 10 of the third unit 34.
  • the sixth belt path 19 is located between the second coating unit 11 of the third unit 34 and the second composite unit 12 of the second unit 2 , and the seventh belt path 20 It is located between the second composite unit 12 of the second unit 2 and the winding unit 8 .
  • Each machine model in the above embodiment is configured in the first section of the material belt path, the second section of the material belt path, the third section of the material belt path, the fourth section of the material belt path, the fifth section of the material belt path, the sixth section of the material belt path and the third section of the material belt path.
  • Base material belt tension sensing assemblies 21, 22, 23, 24, 25, 26, 27 are provided in each of the seven belt paths.
  • the base material belt tension sensing component and the PLC work together to control the material belt tension in each section of the path.
  • Tension sensing types include floating rollers or fixed rollers, which are determined according to the composite structure and path distance. Generally, the fixed roller type is used for rigid substrates, small tension changes, or paths with relatively rectangular paths, such as the commonly used pillow type. Tension sensor type, and for paths with long paths or large changes in tension, the floating roller tension sensor type is used.
  • Each of the above machine models will add adjustment roller assemblies 28, 29, 30, 31 on the material belt path when the material belt enters the coating unit or composite unit, in order to eliminate wrinkles in the material belt and make the unit work better.
  • the first coating unit and the second coating unit are both solvent-free coating units.
  • the four-unit type Compared with the three-unit type, the four-unit type has a larger machine length, but the integration of each unit is low, the material feeding path is simple, and the operability is good; compared with the four-unit type, the three-unit type has a high degree of integration and a small machine length.
  • the four-unit short rewinding path model Compared with the four-unit short rewinding path model, the four-unit short rewinding path model has the shortest rewinding path after secondary lamination, which is easy to ensure the product rewinding quality; compared with the former, the latter has the shortest rewinding path before secondary lamination. 2.
  • the unwinding path is short. Compared with the three-unit internal unwinding machine, the three-unit external unwinding machine is more convenient for the first unwinding operation and the second coating operation of the latter is more observable.

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Abstract

一种基于中间层双面涂布的无溶剂三合一复合设备，中间层基材料卷在第一放卷单元放卷，表层基材料卷和内层基材料卷分别在第二放卷单元和第三放卷单元放卷，中间层基材进入第一涂布单元进行正面涂胶并外层基材或内层基材在第一复合单元进行第一次复合形成双层复合膜，双层复合膜进入第二涂布单元，第二涂布单元对双层复合膜的反面进行涂胶，外层基材或内层基材与双层复合膜在第二复合单元进行第二次复合形成中间层基材双面涂布的三层复合膜。本发明能够适用中间层基材双面涂胶的三合一复合工艺。

Description

一种基于中间层双面涂布的无溶剂三合一复合设备 技术领域
本发明涉及无溶剂复合设备，尤其是一种基于中间层双面涂布的无溶剂三合一复合设备。
背景技术
无溶剂三合一复合是指三层基材一次性完成无溶剂复合的工艺，它有着生产效率高，成品率高及可避免某些双层复合工艺的弊端等优点，应用正在不断扩大。通常的无溶剂三合一复合工艺是采用两次涂胶并且分别涂在两个基材表面上完成复合的，但在现实的不同领域中存在着三层复合结构的表层和内层不能涂胶或者涂胶效果不好的应用，为了完成这种三层复合结构就必须研发一种能够在复合过程采用中间层两面涂胶的工艺。
发明内容
本发明所要解决的技术问题是提供一种基于中间层双面涂布的无溶剂三合一复合设备，解决现有三合一无溶剂复合设备无法在中间层基材两面涂胶复合的问题。
为解决上述技术问题，本发明的技术方案是：一种基于中间层双面涂布的无溶剂三合一复合设备，中间层基材料卷在第一放卷单元放卷并进入第一段料带路径，表层基材料卷和内层基材料卷分别在第二放卷单元和第三放卷单元放卷并进入第二段料带路径和第三段料带路径，中间层基材沿第一段料带路径进入第一涂布单元进行正面涂胶后进入第四段料带路径，由第二段料带路径引导的表层基材或内层基材与由第四段料带路径引入的中间层基材在第一复合单元进行第一次复合形成双层复合膜，双层复合膜经第五段料带路径引导进入第二涂布单元，第二涂布单元对双层复合膜的中间层基材的反面进行涂胶并进入第六段料带路径，由第三段料带路径引导的表层基材或内层基材与由第六段料带路径引入的双层复合膜在第二复合单元进行第二次复合形成中间层基材双面涂布的三层复合膜，三层复合膜沿第七段料带路径进入收卷单元完成收卷。
作为改进，一种基于中间层双面涂布的无溶剂三合一复合设备包括机架，所述机架下方从左至右并列第一机组、第二机组、第三机组及第四机组；第一机组左侧布置有第三放卷单元；第二机组下部左右分别布置有收卷单元和第二放卷单元，第二机组左上方布置有第二复合单元；第三机组左下方布置有第一涂布单元，第三机组左上方布置有第一复合单元，第三机组右下方布置有第一放卷单元；第四机组右侧布置有第二涂布单元；第一段料带路径位于第三机组的第一放卷单元和第一涂布单元之间，第二段料带路径位于第二机组的第二放卷单元和第三机组的第一复合单元之间，第三段料带路径位于第一机组的第三放卷单元和第二机组的第二复合单元之间，第四段料带路径位于第三机组的第一涂布单元和第一复合单元之间，第五段料带路径位于第三机组的第一复合单元和第四机组的第二涂布单元之间，第六段料带路径位于第四机组的第二涂布单元和第二机组的第二复合单元之间，第七料带位路径位于第二机组的第二复合单元和收卷单元之间。
作为改进，一种基于中间层双面涂布的无溶剂三合一复合设备包括机架，所述机架下方从左至右并列第一机组、第二机组、第三机组及第四机组；第一机组左侧布置有收卷单元，第一机组右侧布置有第二放卷单元；第二机组左下方布置有第一涂布单元，第二机组左上方布置有第一复合单元，第二机组右下方布置有第一放卷单元；第三机组右下方布置有第二涂布单元，第三机组右上方布置有第二复合单元；第四机组右侧布置有第三放卷单元；第一段料带路径位于第二机组的第一放卷单元和第一涂布单元之间，第二段料带路径位于第一机组的第二放卷单元和第二机组的第一复合单元之间，第三段料带路径位于第四机组的第三放卷单元和第三机组的第二复合单元之间，第四段料带路径位于第二机组的第一涂布单元和第一复合单元之间，第五段料带路径位于第二机组的第一复合单元和第三机组的第二涂布单元之间，第六段料带路径位于第三机组的第二涂布单元和第二复合单元之间，第七料带路径位于第三机组的第二复合单元和第一机组的收卷单元之间。
作为改进，一种基于中间层双面涂布的无溶剂三合一复合设备包括机架，机架下方从左至右并列着第一机组、第二机组及第三机组；第一机组左侧布置有第三放卷单元；第二机组下部左右分别布置有收卷单元和第二放卷单元，第二机组左上方布置有第二复合单元；第三机组左下方布置有第一涂布单元，第三机组左上方布置有第一复合单元，第三机组右下方布置有第一放卷单元，第三机组右上方布置有第二涂布单 元；第一段料带路径位于第三机组的第一放卷单元和第一涂布单元之间，第二段料带路径位于第二机组的第二放卷单元和第三机组的第一复合单元之间，第三段料带路径位于第一机组的第三放卷单元和第二机组的第二复合单元之间，第四段料带路径位于第三机组的第一涂布单元和第一复合单元之间，第五段料带路径位于第三机组的第一复合单元和第二涂布单元之间，第六段料带路径位于第三机组的第二涂布单元和第二机组的第二复合单元之间，第七料带位路径位于第二机组的第二复合单元和收卷单元之间。
作为改进，一种基于中间层双面涂布的无溶剂三合一复合设备包括机架，机架下方从左至右并列着第一机组、第二机组及第三机组；第一机组左侧布置有第三放卷单元；第二机组下部左右分别布置有收卷单元和第二放卷单元，第二机组左上方布置有第二复合单元；第三机组左边中间位置布置有第一涂布单元，第三机组左上方布置有第一复合单元，第三机组左下方布置有第一放卷单元，第三机组右边布置有第二涂布单元；第一段料带路径位于第三机组的第一放卷单元和第一涂布单元之间，第二段料带路径位于第二机组的第二放卷单元和第三机组的第一复合单元之间，第三段料带路径位于第一机组的第三放卷单元和第二机组的第二复合单元之间，第四段料带路径位于第三机组的第一涂布单元和第一复合单元之间，第五段料带路径位于第三机组的第一复合单元和第二涂布单元之间，第六段料带路径位于第三机组的第二涂布单元和第二机组的第二复合单元之间，第七料带位路径位于第二机组的第二复合单元和收卷单元之间。
作为改进，所述第一涂布单元和第二涂布单元均为无溶剂涂布单元。
作为改进，所述第一段料带路径、第二段料带路径、第三段料带路径、第四段料带路径、第五段料带路径、第六段料带路径和第七段料带路径中均设有基材料带张力传感组件。
本发明与现有技术相比所带来的有益效果是：
1)增加了无溶剂三合一复合工艺对基材的适用范围，使一些无法使用表层基材进行涂胶的复合结构进行无溶剂复合变为可能。例如：在烟包行业里解决了(转移膜/铝箔/转移膜)这种结构使用无溶剂方法复合的难题；在槟榔包装特殊领域里解决了(拉丝膜/PET/PE)这种结构使用无溶剂方法复合的难题；
2)改进了对部分三层复合结构的工艺适应性，如BOPP(PET)/纸张/PE的常见结 构，由于PE基材对胶粘剂温度的敏感性，采用此方案可避免对胶粘剂的限制；
3)在中小订单或者中小生产规模时使用本方案可与高位放卷型三合一复合机(适合批量生产型)形成互补。。
附图说明
图1为本发明工艺流程图。
图2为四机组式短收卷路径机型示意图。
图3为四机组式短复合路径机型示意图。
图4为三机组式外放卷机型示意图。
图5为三机组式内放卷机型示意图。
具体实施方式
下面结合说明书附图对本发明作进一步说明。
如图1所示，一种基于中间层双面涂布的无溶剂三合一复合设备，中间层基材料卷在第一放卷单元放卷并进入第一段料带路径，表层基材料卷和内层基材料卷分别在第二放卷单元和第三放卷单元放卷并进入第二段料带路径和第三段料带路径，中间层基材沿第一段料带路径进入第一涂布单元进行正面涂胶后进入第四段料带路径，由第二段料带路径引导的表层基材或内层基材与由第四段料带路径引入的中间层基材在第一复合单元进行第一次复合形成双层复合膜，双层复合膜经第五段料带路径引导进入第二涂布单元，第二涂布单元对双层复合膜的中间层基材的反面进行涂胶并进入第六段料带路径，由第三段料带路径引导的表层基材或内层基材与由第六段料带路径引入的双层复合膜在第二复合单元进行第二次复合形成中间层基材双面涂布的三层复合膜，三层复合膜沿第七段料带路径进入收卷单元完成收卷。
可以采用以下几种实施例的无溶剂三合一复合设备完成中间层基材双面涂胶复合工艺：
实施例1
如图2所示，四机组式短收卷路径机型，机架13下方从左至右并列着第一机组1、第二机组2、第三机组3及第四机组4；第一机组1左侧布置有第三放卷单元7；第二机组2下部左右分别布置有收卷单元8和第二放卷单元6，左上方布置有第二复 合单元12；第三机组3左下方布置有第一涂布单元9，左上方布置有第一复合单元10，右下方布置有第一放卷单元5；第四机组右侧布置有第二涂布单元11。该机型的料带路径如下：第一段料带路径位14于第三机组3的第一放卷单元5和第一涂布单元9之间，第二段料带路径15位于第二机组2的第二放卷单元6和第三机组的第一复合单元10之间，第三段料带路径16位于第一机组1的第三放卷单元7和第二机组的第二复合单元12之间，第四段料带路径17位于第三机组3的第一涂布单元9和第一复合单元10之间，第五段料带路径18位于第三机组3的第一复合单元10和第四机组4的第二涂布单元11之间，第六段料带路径19位于第四机组4的第二涂布单元11和第二机组2的第二复合单元12之间，第七料带位路径20位于第二机组2的第二复合单元12和收卷单元8之间。
实施例2
如图3所示，四机组式短复合路径机型，机架13下方从左至右并列着第一机组2、第二机组3、第三机组4及第四机组1；第一机组2左侧布置有收卷单元8，右侧布置有第二放卷单元6；第二机组3左下方布置有第一涂布单元9，左上方布置有第一复合单元10，右下方布置有第一放卷单元5；第三机组4右下方布置有第二涂布单元11，右上方布置有第二复合单元12；第四机组1右侧布置有第三放卷单元7。该机型的料带路径如下：第一段料带路径14位于第二机组3的第一放卷单元5和第一涂布单元9之间，第二段料带路径15位于第一机组2的第二放卷单元6和第二机组3的第一复合单元10之间，第三段料带路径16位于第四机组1的第三放卷单元7和第三机组4的第二复合单元12之间，第四段料带路径17位于第二机组3的第一涂布单元9和第一复合单元10之间，第五段料带路径18位于第二机组3的第一复合单元10和第三机组4的第二涂布单元11之间，第六段料带路径19位于第三机组4的第二涂布单元11和第二复合单元12之间，第七料带位路径20于第三机组的第二复合单元12和第一机组2的收卷单元8之间。
实施例3
如图4所示，三机组式外放卷机型，机架13下方从左至右并列着第一机组1、第二机组2及第三机组33；第一机组1左侧布置有第三放卷单元7；第二机组2下部左右分别布置有收卷单元8和第二放卷单元6，左上方布置有第二复合单元12；第三机组33左下方布置有第一涂布单元9，左上方布置有第一复合单元10，右下方布置 有第一放卷单元5，右上方布置有第二涂布单元11。该机型的料带路径如下：第一段料带路径14位于第三机组33的第一放卷单元5和第一涂布单元9之间，第二段料带路径15位于第二机组2的第二放卷单元6和第三机组33的第一复合单元10之间，第三段料带路径16位于第一机组1的第三放卷单元7和第二机组2的第二复合单元12之间，第四段料带路径17位于第三机组33的第一涂布单元9和第一复合单元10之间，第五段料带路径18位于第三机组33的第一复合单元10和第二涂布单元11之间，第六段料带路径19位于第三机组33的第二涂布单元11和第二机组2的第二复合单元12之间，第七料带位路径20位于第二机组2的第二复合单元12和收卷单元8之间。
实施例4
如图5所示，三机组式内放卷机型，机架13下方从左至右并列着第一机组1、第二机组2及第三机组34；第一机组1左侧布置有第三放卷单元7；第二机组2下部左右分别布置有收卷单元8和第二放卷单元6，左上方布置有第二复合单元12；第三机组34左边中间位置布置有第一涂布单元9，左上方布置有第一复合单元10，左下方布置有第一放卷单元5，右边布置有第二涂布单元11。该机型的料带路径如下：第一段料带路径14位于第三机组34的第一放卷单元5和第一涂布单元9之间，第二段料带路径15位于第二机组2的第二放卷单元6和第三机组34的第一复合单元10之间，第三段料带路径16位于第一机组1的第三放卷单元7和第二机组2的第二复合单元12之间，第四段料带路径17位于第三机组34的第一涂布单元9和第一复合单元10之间，第五段料带路径18位于第三机组34的第一复合单元10和第二涂布单元11之间，第六段料带路径19位于第三机组34的第二涂布单元11和第二机组2的第二复合单元12之间，第七料带位路径20位于第二机组2的第二复合单元12和收卷单元8之间。
以上实施例各机型在第一段料带路径、第二段料带路径、第三段料带路径、第四段料带路径、第五段料带路径、第六段料带路径和第七段料带路径中均设有基材料带张力传感组件21、22、23、24、25、26、27。基材料带张力传感组件和PLC共同作用，控制各段路径料带张力。张力传感型式有浮动辊或者固定辊型式，具体根据复合结构和路径距离确定，一般对于刚性较大的基材、张力变化较小或路径较矩的路径采用固定辊式，如常用的枕式张力传感器型式，而对于路径较长或者张力变化较大的 路径采用浮动辊式张力传感型式。
以上各机型在料带进入涂布单元或者复合单元时，都会在料带路径上加设调整辊组件28、29、30、31，以便消除料带皱折，使单元更好工作。所述第一涂布单元和第二涂布单元均为无溶剂涂布单元。
以上各机型相互比较：四机组式相对于三机组，机器长度大，但各个单元集成度低，走料路径简单，操作性好；三机组相对四机组，集成度高，机器长度小。四机组式短收卷路径机型相对于四机组式短复合路径机型，前者二次复合后，收卷路径最短，易于保证产品收卷质量；后者相对于前者，二次复合前，第二放卷路径短。三机组式外放卷机型相对于三机组式内放卷机型，前者第一放卷操作方便，后者第二次涂布操作观察性更好。

Claims (7)

  1. 一种基于中间层双面涂布的无溶剂三合一复合设备，其特征在于：中间层基材料卷在第一放卷单元放卷并进入第一段料带路径，表层基材料卷和内层基材料卷分别在第二放卷单元和第三放卷单元放卷并进入第二段料带路径和第三段料带路径，中间层基材沿第一段料带路径进入第一涂布单元进行正面涂胶后进入第四段料带路径，由第二段料带路径引导的表层基材或内层基材与由第四段料带路径引入的中间层基材在第一复合单元进行第一次复合形成双层复合膜，双层复合膜经第五段料带路径引导进入第二涂布单元，第二涂布单元对双层复合膜的中间层基材的反面进行涂胶并进入第六段料带路径，由第三段料带路径引导的表层基材或内层基材与由第六段料带路径引入的双层复合膜在第二复合单元进行第二次复合形成中间层基材双面涂布的三层复合膜，三层复合膜沿第七段料带路径进入收卷单元完成收卷。
  2. 根据权利要求1所述的一种基于中间层双面涂布的无溶剂三合一复合设备，其特征在于：所述无溶剂三合一复合设备包括机架，所述机架下方从左至右并列第一机组、第二机组、第三机组及第四机组；第一机组左侧布置有第三放卷单元；第二机组下部左右分别布置有收卷单元和第二放卷单元，第二机组左上方布置有第二复合单元；第三机组左下方布置有第一涂布单元，第三机组左上方布置有第一复合单元，第三机组右下方布置有第一放卷单元；第四机组右侧布置有第二涂布单元；第一段料带路径位于第三机组的第一放卷单元和第一涂布单元之间，第二段料带路径位于第二机组的第二放卷单元和第三机组的第一复合单元之间，第三段料带路径位于第一机组的第三放卷单元和第二机组的第二复合单元之间，第四段料带路径位于第三机组的第一涂布单元和第一复合单元之间，第五段料带路径位于第三机组的第一复合单元和第四机组的第二涂布单元之间，第六段料带路径位于第四机组的第二涂布单元和第二机组的第二复合单元之间，第七料带位路径位于第二机组的第二复合单元和收卷单元之间。
  3. 根据权利要求1所述的一种基于中间层双面涂布的无溶剂三合一复合设备，其特征在于：所述无溶剂三合一复合设备包括机架，所述机架下方从左至右并列第一机组、第二机组、第三机组及第四机组；第一机组左侧布置有收卷单元，第一机 组右侧布置有第二放卷单元；第二机组左下方布置有第一涂布单元，第二机组左上方布置有第一复合单元，第二机组右下方布置有第一放卷单元；第三机组右下方布置有第二涂布单元，第三机组右上方布置有第二复合单元；第四机组右侧布置有第三放卷单元；第一段料带路径位于第二机组的第一放卷单元和第一涂布单元之间，第二段料带路径位于第一机组的第二放卷单元和第二机组的第一复合单元之间，第三段料带路径位于第四机组的第三放卷单元和第三机组的第二复合单元之间，第四段料带路径位于第二机组的第一涂布单元和第一复合单元之间，第五段料带路径位于第二机组的第一复合单元和第三机组的第二涂布单元之间，第六段料带路径位于第三机组的第二涂布单元和第二复合单元之间，第七料带路径位于第三机组的第二复合单元和第一机组的收卷单元之间。
  4. 根据权利要求1所述的一种基于中间层双面涂布的无溶剂三合一复合设备，其特征在于：所述无溶剂三合一复合设备包括机架，机架下方从左至右并列着第一机组、第二机组及第三机组；第一机组左侧布置有第三放卷单元；第二机组下部左右分别布置有收卷单元和第二放卷单元，第二机组左上方布置有第二复合单元；第三机组左下方布置有第一涂布单元，第三机组左上方布置有第一复合单元，第三机组右下方布置有第一放卷单元，第三机组右上方布置有第二涂布单元；第一段料带路径位于第三机组的第一放卷单元和第一涂布单元之间，第二段料带路径位于第二机组的第二放卷单元和第三机组的第一复合单元之间，第三段料带路径位于第一机组的第三放卷单元和第二机组的第二复合单元之间，第四段料带路径位于第三机组的第一涂布单元和第一复合单元之间，第五段料带路径位于第三机组的第一复合单元和第二涂布单元之间，第六段料带路径位于第三机组的第二涂布单元和第二机组的第二复合单元之间，第七料带位路径位于第二机组的第二复合单元和收卷单元之间。
  5. 根据权利要求1所述的一种基于中间层双面涂布的无溶剂三合一复合设备，其特征在于：所述无溶剂三合一复合设备包括机架，机架下方从左至右并列着第一机组、第二机组及第三机组；第一机组左侧布置有第三放卷单元；第二机组下部左右分别布置有收卷单元和第二放卷单元，第二机组左上方布置有第二复合单元；第三机组左边中间位置布置有第一涂布单元，第三机组左上方布置有第一复合单元，第三机组左下方布置有第一放卷单元，第三机组右边布置有第二涂布单元； 第一段料带路径位于第三机组的第一放卷单元和第一涂布单元之间，第二段料带路径位于第二机组的第二放卷单元和第三机组的第一复合单元之间，第三段料带路径位于第一机组的第三放卷单元和第二机组的第二复合单元之间，第四段料带路径位于第三机组的第一涂布单元和第一复合单元之间，第五段料带路径位于第三机组的第一复合单元和第二涂布单元之间，第六段料带路径位于第三机组的第二涂布单元和第二机组的第二复合单元之间，第七料带位路径位于第二机组的第二复合单元和收卷单元之间。
  6. 根据权利要求1至5任意一项所述的一种基于中间层双面涂布的无溶剂三合一复合设备，其特征在于：所述第一涂布单元和第二涂布单元均为无溶剂涂布单元。
  7. 根据权利要求1至5任意一项所述的一种基于中间层双面涂布的无溶剂三合一复合设备，其特征在于：所述第一段料带路径、第二段料带路径、第三段料带路径、第四段料带路径、第五段料带路径、第六段料带路径和第七段料带路径中均设有基材料带张力传感组件。
PCT/CN2022/134320 2022-03-17 2022-11-25 一种基于中间层双面涂布的无溶剂三合一复合设备 WO2023173802A1 (zh)

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