WO2012071804A1 - 预印面纸瓦楞纸板生产方法及生产线 - Google Patents

预印面纸瓦楞纸板生产方法及生产线 Download PDF

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Publication number
WO2012071804A1
WO2012071804A1 PCT/CN2011/070985 CN2011070985W WO2012071804A1 WO 2012071804 A1 WO2012071804 A1 WO 2012071804A1 CN 2011070985 W CN2011070985 W CN 2011070985W WO 2012071804 A1 WO2012071804 A1 WO 2012071804A1
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WIPO (PCT)
Prior art keywords
paper
corrugated cardboard
preprinted
corrugated
roller
Prior art date
Application number
PCT/CN2011/070985
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English (en)
French (fr)
Inventor
王加水
Original Assignee
青岛美光机械有限公司
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.)
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Publication date
Application filed by 青岛美光机械有限公司 filed Critical 青岛美光机械有限公司
Priority to ES11845586.4T priority Critical patent/ES2601190T3/es
Priority to EP11845586.4A priority patent/EP2647495B1/en
Publication of WO2012071804A1 publication Critical patent/WO2012071804A1/zh
Priority to US13/644,804 priority patent/US20130139959A1/en

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31F—MECHANICAL WORKING OR DEFORMATION OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31F1/00—Mechanical deformation without removing material, e.g. in combination with laminating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31F—MECHANICAL WORKING OR DEFORMATION OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31F1/00—Mechanical deformation without removing material, e.g. in combination with laminating
    • B31F1/20—Corrugating; Corrugating combined with laminating to other layers
    • B31F1/24—Making webs in which the channel of each corrugation is transverse to the web feed
    • B31F1/26—Making webs in which the channel of each corrugation is transverse to the web feed by interengaging toothed cylinders cylinder constructions
    • B31F1/28—Making webs in which the channel of each corrugation is transverse to the web feed by interengaging toothed cylinders cylinder constructions combined with uniting the corrugated webs to flat webs ; Making double-faced corrugated cardboard
    • B31F1/2822—Making webs in which the channel of each corrugation is transverse to the web feed by interengaging toothed cylinders cylinder constructions combined with uniting the corrugated webs to flat webs ; Making double-faced corrugated cardboard involving additional operations
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31F—MECHANICAL WORKING OR DEFORMATION OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31F1/00—Mechanical deformation without removing material, e.g. in combination with laminating
    • B31F1/20—Corrugating; Corrugating combined with laminating to other layers
    • B31F1/24—Making webs in which the channel of each corrugation is transverse to the web feed
    • B31F1/26—Making webs in which the channel of each corrugation is transverse to the web feed by interengaging toothed cylinders cylinder constructions
    • B31F1/28—Making webs in which the channel of each corrugation is transverse to the web feed by interengaging toothed cylinders cylinder constructions combined with uniting the corrugated webs to flat webs ; Making double-faced corrugated cardboard
    • B31F1/2845—Details, e.g. provisions for drying, moistening, pressing
    • B31F1/285—Heating or drying equipment
    • Y—GENERAL 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
    • Y10T156/10—Methods of surface bonding and/or assembly therefor
    • Y10T156/1002—Methods of surface bonding and/or assembly therefor with permanent bending or reshaping or surface deformation of self sustaining lamina
    • Y10T156/1025—Methods of surface bonding and/or assembly therefor with permanent bending or reshaping or surface deformation of self sustaining lamina to form undulated to corrugated sheet and securing to base with parts of shaped areas out of contact

Definitions

  • the invention belongs to the technical field of corrugated paperboard production, and relates to a novel structural form of single-side corrugated cardboard conveying, single-face corrugated cardboard coating, bonding with facial paper, and double-sided corrugated cardboard drying in the production process of corrugated cardboard. Specifically, it is a technical field for ensuring effective adhesion and drying of single-faced corrugated cardboard and pre-printed paper in the production process of corrugated cardboard and avoiding damage of pre-printed colored paper.
  • Fig. 1 The production process of the existing preprinted paper corrugated cardboard is as shown in Fig. 1:
  • the reel base paper 1-2 is preheated and pressed into a corrugated shape by the corrugating roller 1-5, and is coated with rubber.
  • the device 1-9 is glued and then combined with the corrugated base paper 1-2 to form a single-faced corrugated cardboard 1-6, and the single-faced corrugated cardboard 1-6 is wavyly stacked on the paper feeding bridge 1-3 while slowly moving forward.
  • the double-sided corrugated cardboard will contact the heating plate 3-1, and the purpose of heating and drying is to make the corrugated
  • the adhesive on the adhesive is cured, in particular, in order to evaporate the moisture contained in the adhesive to form a flat corrugated cardboard, and the double-sided corrugated cardboard output by the drying device 3 is passed through the separating and pressing machine 4 and the cross-cutting machine 5
  • a single double-faced corrugated cardboard cut into a predetermined size is stacked into a stack 7 by a stacker 6.
  • the corrugated board is usually produced by pressing the base paper into corrugated paper, bonding with the base paper to form a single-faced corrugated board, and then pasting the corrugated board and pasting the paper together to form a double-sided board.
  • Corrugated cardboard which is then dried and cut into individual double-faced corrugated cardboard of a predetermined size, and finally stacked to form a single corrugated cardboard into a stack of paper.
  • the relative position of the single-faced corrugated board and the facial paper is usually the same as that of the upper side and the single-sided corrugated board, that is, the double-sided corrugated board is always on the bottom surface of the corrugated board during the drying process, so
  • the face paper will be in direct contact with the high temperature hot plate of the drying section, which will cause defects such as discoloration of the facial tissue and scratches on the surface.
  • This defect is not obvious when the facial tissue is made of yellow paper or plain whiteboard without printing pattern, but The face paper is pre-printed with a pattern When the whiteboard paper or coated whiteboard paper is coated, the defect is very obvious. Not only the color of the cardboard will change, but also the color tone of the printed pattern will be distorted and the colored surface will be scratched.
  • the corrugated board production line that uses the upper paper and the single-sided corrugated cardboard on the upper side can not be adapted to the production of pre-printed corrugated cardboard.
  • the invention provides a production method and a production line of preprinted facial paper corrugated paperboard, which can solve the problem that the existing corrugated cardboard production line and the process cannot adapt to the production of the pre-printed color surface corrugated cardboard.
  • the technical solution of the present invention is a method for producing pre-printed paper corrugated paperboard, the production line of the method comprising a corrugating machine, a plurality of corrugated paper guiding rollers, at least one facial paper guiding roller,
  • the base paper support, the roll paper, the glue application device and the pressure roller, and the plurality of corrugated paper guide rollers constitute a corrugated cardboard conveying device, which is characterized in that: the corrugated machine outputs and is transported by the corrugated cardboard conveying device and is coated by the gluing device.
  • the glued corrugated cardboard is joined to the pre-printed paper which is output by the roll paper and conveyed by the facial paper guide roller, and the pre-printed paper is placed on the corrugated cardboard, and enters the pressing roller.
  • the adhesive is bonded to form a preprinted paper corrugated cardboard.
  • the preprinted paper corrugated cardboard is output from the pressing roller into the drying device, and the heating plate in the drying device is on the bottom surface of the preprinted paper corrugated cardboard.
  • the preprinted paper corrugated cardboard is output from the laminating roller into the cutting device, and the preprinted corrugated cardboard is cut into a predetermined size preprinted corrugated cardboard by a cutting blade in the cutting device.
  • the corrugated cardboard is first dried by a heating roller and then bonded to the preprinted paper.
  • the corrugated cardboard is a two-layer single-faced corrugated cardboard, and the upper surface of the lower single-sided corrugated cardboard and the upper surface of the upper single-faced corrugated cardboard are respectively coated by a gluing device, and the upper and lower single-sided corrugated cardboard are pressed at the laminating roller. Converging with pre-printed paper, pre-printed paper on top, upper single-sided corrugated cardboard underneath, bonding upper and lower single-faced corrugated cardboard and upper single-faced corrugated cardboard with pre-printed paper through a pressure roller to form a double layer Preprinted paper corrugated cardboard.
  • the corrugated cardboard is a single-faced corrugated cardboard
  • the corrugating machine is a single-faced corrugating machine
  • the glue used in the gluing device is made of a plastic glue
  • the cooked glue is corn. Starch gum or white latex.
  • a preprinted paper corrugated board production line comprising a corrugating machine, a plurality of corrugated paper guiding rollers, at least one facial paper guiding roller, a base paper support, a roll paper, a gluing device and a pressing device, and a plurality of corrugated paper guiding paper
  • a corrugated board conveying device consisting of a roll having a lower conveying device, the lower conveying device being located below the base paper holder.
  • the corrugating machine is a single-face corrugating machine
  • the gluing device is composed of two tangential rollers, and the area above the tangential line is a storage glue zone.
  • the pressing device is a pair of pressing rolls arranged one above the other.
  • the object of the present invention is to provide a single-faced corrugated cardboard conveying, single-faced corrugated board coating, and surface paper bonding, in view of the defects of the existing corrugated board production line in adapting to the pre-printed patterned paper.
  • the new structure of double-sided corrugated board drying, the use of the upper side and the single-sided corrugated board under the bonding method can avoid the direct contact between the color printing paper and the high-temperature hot plate of the drying part, thereby effectively preventing the color printing surface
  • the paper's material, pattern, varnish and plastic film damage, this new structure of corrugated board production line can effectively adapt to the use of pre-printed color paper without increasing the cost.
  • the invention has the following advantages and positive effects:
  • the method of using the upper paper and the single-faced corrugated cardboard in the invention can avoid direct contact between the color printing paper and the high-temperature hot plate of the drying section, thereby effectively preventing the material, the pattern, the varnish and the plastic film of the color printing paper. Damage.
  • the invention adopts the glue glue of corn starch glue or white latex when the single-face corrugated board is bonded with the facial paper, and does not need high temperature gelatinization, can effectively shorten the bonding time, and even if the drying temperature is lowered, even if it is not The adhesion effect can still be ensured in the case of drying treatment, thereby further reducing the damage of the high temperature on the color printing paper.
  • the invention adopts the gelatin glue such as corn starch glue or white latex when the single-face corrugated board is bonded with the facial paper.
  • Water, facial tissue and single-faced corrugated board generally require no preheating before bonding to ensure adhesion, thus saving on structural costs associated with preheating; even with raw rubber, facial and single-faced corrugated cardboard Pre-heat treatment before bonding, because the face paper surface is on, the face paper color surface will not contact with the surface of the preheating roll, and the damage to the color surface pattern and varnish can be avoided.
  • Figure 1 is a production process diagram of a conventional preprinted paper corrugated cardboard
  • FIG. 1 is a schematic view showing an embodiment of a method for producing a pre-printed paper corrugated board and a production line of the present invention
  • FIG. 3 is a schematic view showing a second embodiment of a method for producing a pre-printed paper corrugated board according to the present invention
  • FIG. 4 is a preprinted surface paper of the present invention
  • FIG. 5 is a schematic view showing the fourth embodiment of the production method and production line of the pre-printed paper corrugated board of the present invention. 1. Single-face corrugating machine; 2.
  • a pre-printed paper corrugated board production line including a single-face corrugating machine 1, 4 corrugated paper guiding rollers 3, a facial paper guiding roller 16, a base paper holder 4, a roll paper 5, a gluing device 7 And a corrugated cardboard conveying device composed of a pressing device 8 and four corrugated paper guiding rollers to realize the conveying of the single-faced corrugated cardboard 2 from the single-machine corrugating machine 1 to the pressing device 8.
  • the corrugated cardboard conveying device has a section of lower conveying device 17, The lower conveying device 17 is located below the base paper holder 4.
  • an underground passage 18 is dug under the base paper support 4, and a lower conveying device 17 is provided in the underground passage 18, and a single-faced corrugated cardboard 2 is passed through the underground passage 18.
  • the length of the lower conveying means 17 and the underground passage 18 is greater than the distance between the outer diameters of the two rolls 5 supported on the base paper holder 4.
  • the single-faced corrugated cardboard 2 produced from the single-face corrugating machine 1 is guided through the corrugated paper guiding roller 3 from the underlying tunnel 18 of the original paper support 4, and then coated on the corrugated cardboard by the gluing device 7.
  • the glue while the roll paper 5 is unwound under the support of the base paper support 4 into a continuous preprinted paper 6, and the preprinted paper 6 is bonded between the pressure roller 8 and the glued single-faced corrugated cardboard 1
  • the preprinted paper 6 is placed on the upper single-faced corrugated cardboard 2 to form a pre-printed corrugated cardboard, i.e., double-sided corrugated cardboard 9, which is dried by the drying device 15.
  • a plurality of heating plates 10 in the drying device 15 are on the bottom surface of the double-sided corrugated cardboard 9. It can be seen from the production method of the above structure that the preprinted paper 6 on the upper surface of the double-faced corrugated cardboard 9 is not in direct contact with the heating plate 10, and the material, pattern, varnish and plastic film of the preprinted paper 6 can be effectively prevented. Damage.
  • the double-faced corrugated cardboard 9 can be dried without passing through the drying device 15, but directly into the cutting device 1 1 and continuously through the cutting blade 12.
  • the double-sided corrugated cardboard 9 is cut into a single-sided double-faced corrugated cardboard of a predetermined size, which can completely avoid the influence of high temperature on the pre-printed paper of the corrugated cardboard.
  • Embodiment 1 A further variation of the technical solution of Embodiment 1 is as follows: As shown in FIG. 4, the single-faced corrugated cardboard 2 is first dried by two heating rolls 13 and then enters the lower conveying device 17, and then bonded to the pre-printed paper 6, The single-faced corrugated cardboard 2 can be dried to improve the adhesion of the double-faced corrugated cardboard 9.
  • Embodiment 1 As shown in FIG. 5, the same structural principle is used to bond two layers of single-faced corrugated cardboard 2 with preprinted paper 6 to produce double-layer corrugated cardboard. 14.
  • the glue coating device is composed of two tangential rollers, and the glue is stored in a triangular area above the tangential line, and the two rollers are rotated inwardly in the opposite direction. The glue amount of the glue can be adjusted by adjusting the gap between the two rollers.
  • the single-faced corrugated cardboard 1 passes under the gumming device 7, the lower edge of the roller contacts the peak of the single-faced corrugated cardboard 1, so that a suitable amount of glue is applied to the peak of the single-faced corrugated cardboard 1.
  • the pressing roller 8 is composed of a pair of rollers arranged one above the other, the gap between the two rollers can be adjusted according to the thickness of the corrugated cardboard, and the two rollers rotate in opposite directions when the single-sided corrugated cardboard 2 and the pre-printed paper 6 pass together.
  • the upper and lower press rolls are pressed, they are bonded together under the pressing of the upper and lower press rolls.
  • the glue used in the glue application device 7 uses a glue such as corn starch glue or white latex, which does not require high temperature curing, can effectively shorten the bonding time, and can ensure the bonding effect under the premise that the drying temperature is lowered. Further reduce the damage of high temperature on the color printing paper.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Machines For Manufacturing Corrugated Board In Mechanical Paper-Making Processes (AREA)
  • Laminated Bodies (AREA)

Description

预印面纸瓦楞纸板生产方法及生产线 技术领域
本发明属于瓦楞纸板生产的技术领域， 涉及一种在瓦楞纸板生产过程中单 面瓦楞纸板的输送、 单面瓦楞纸板涂胶、 与面纸粘合、 双面瓦楞纸板烘干的新 型结构形式， 具体地说是一种在瓦楞纸板生产过程中保证单面瓦楞纸板与预印 面纸有效粘合和烘干并避免预印彩色面纸损伤的技术领域。
背景技术
现有预印面纸瓦楞纸板的生产过程如图 1所示： 在图 1单面瓦楞机中，卷 筒原纸 1-2经过预热后通过瓦楞辊 1-5压制成瓦楞形状， 并通过涂胶装置 1-9 涂胶后再与瓦楞原纸 1-2贴合形成单面瓦楞纸板 1-6 , 单面瓦楞纸板 1-6呈波 浪状堆积在输纸过桥 1-3上同时慢速向前输送； 经输纸过桥 1-3输出的单面瓦 楞纸板 1-3经预调器 1-10后再通过涂胶装置 1-11涂胶， 并与面纸 2-1粘合形 成双面瓦楞纸板进入烘干装置 3 , 双面瓦楞纸板在传送带的驱动下向前输送， 在输送过程中双面瓦楞纸板的面纸会与加热板 3-1接触， 加热烘干的目的是为 了使瓦楞上的胶粘剂熟化粘合， 特别是为了使胶粘剂中所含的水分蒸发而形成 平直的瓦楞纸板， 经烘干装置 3输出的双面瓦楞纸板经过分纸压线机 4和横切 机 5被裁切成预定尺寸的单张双面瓦楞纸板， 再经堆码机 6堆积成纸垛 7。
在上述生产流程中， 瓦楞纸板的生产过程通常是先将原纸压制成瓦楞， 与 底纸粘接在一起形成单面瓦楞纸板， 再经过在瓦楞上涂胶后与面纸粘贴在一起 形成双面瓦楞纸板， 然后瓦楞纸板经过烘干后被裁切成预定尺寸的单张双面瓦 楞纸板， 最后经过堆码将单张瓦楞纸板堆积成纸垛。 其中单面瓦楞纸板和面纸 的相对位置通常是釆用面纸在下、 单面瓦楞纸板在上的贴合方式， 即双面瓦楞 纸板在烘干过程中面纸始终处于瓦楞纸板的底面， 因此面纸会与烘干部的高温 热板直接接触， 会造成面纸变色、 表面产生划痕等缺陷， 此缺陷在面纸使用黄 板纸或无印刷图案的普通白板纸时不明显， 但在面纸使用经过预印后带有图案 的白板纸或涂布白板纸时， 此缺陷非常明显， 不但纸板的颜色会产生改变， 印 刷图案的色调也会产生失真现象且彩面易产生划痕， 若是彩面覆有光油则会损 伤上光效果， 若是彩面覆有塑料膜则塑料膜会热熔变形， 因此釆用面纸在下、 单面瓦楞纸板在上贴合方式的瓦楞纸板生产线无法适应预印彩面瓦楞纸板的生 产。
发明内容
本发明提供了一种预印面纸瓦楞纸板生产方法及生产线，它可以解决现有 瓦楞纸板生产线和工艺无法适应预印彩面瓦楞纸板的生产的问题。
为了达到解决上述技术问题的目的， 本发明的技术方案是， 一种预印面纸 瓦楞纸板生产方法， 所述方法的生产线包括瓦楞机、 多个瓦楞纸导纸辊、 至少 一个面纸导纸辊、 原纸支架、 卷筒面纸、 涂胶装置及压合辊， 多个瓦楞纸导纸 辊组成瓦楞纸板输送装置，其特征在于：由瓦楞机输出并由瓦楞纸板输送装置输 送并经涂胶装置单面涂胶的瓦楞纸板， 与由卷筒面纸输出并由面纸导纸辊输送 的预印面纸在压合辊处汇合， 所述预印面纸在上所述瓦楞纸板在下， 进入压合 辊两者粘合形成预印面纸瓦楞纸板。
进一步地， 所述预印面纸瓦楞纸板从压合辊输出进入烘干装置， 烘干装置 中的加热板处于所述预印面纸瓦楞纸板的底面。
又进一步地， 所述预印面纸瓦楞纸板从压合辊输出进入裁切装置， 通过裁 切装置中的裁切刀将所述预印面纸瓦楞纸板裁切成预定尺寸的预印面纸瓦楞纸 板。
再进一步地， 所述瓦楞纸板先经过加热辊烘干后再与预印面纸粘合。 更进一步地， 瓦楞纸板为两层单面瓦楞纸板， 下层单面瓦楞纸板的上表面 和上层单面瓦楞纸板的上表面分别由涂胶装置涂胶， 上、 下层单面瓦楞纸板在 压合辊处与预印面纸汇合， 预印面纸在上， 上层单面瓦楞纸板在下， 经压合辊 使上、 下层单面瓦楞纸板及上层单面瓦楞纸板与预印面纸粘合在一起， 形成双 层预印面纸瓦楞纸板。 可选的， 所述的瓦楞纸板为单面瓦楞纸板， 所述的瓦楞机为单面瓦楞机， 所述涂胶装置所使用的胶水釆用熟胶类胶水，所述熟胶类胶水为玉米淀粉胶或 白乳胶。
一种预印面纸瓦楞纸板生产线， 包括瓦楞机、 多个瓦楞纸导纸辊、 至少一 个面纸导纸辊、 原纸支架、 卷筒面纸、 涂胶装置及压合装置， 由多个瓦楞纸导 纸辊组成的瓦楞纸板输送装置， 所述瓦楞纸板输送装置具有一段下输送装置， 所述下输送装置处于所述原纸支架的下方。
进一步地， 所述瓦楞机为单面瓦楞机， 所述涂胶装置由相切的两 个辊子组成， 在切线上方的区域为储存胶水区。
又进一步地， 所述压合装置为一对上下设置的压合辊。
再一步地， 所述下输送装置设在所述原纸支架下面的地下通道内。 本发明的目的在于针对现有的瓦楞纸板生产线在适应经过预印后带有图案 的面纸方面存在的缺陷， 提供一种单面瓦楞纸板输送、 单面瓦楞涂胶、 与面纸 粘合、 双面瓦楞纸板烘干的新型结构形式， 釆用面纸在上、 单面瓦楞纸板在下 的贴合方式， 可以避免彩印面纸与烘干部的高温热板直接接触， 从而有效防止 对彩印面纸的材质、 图案、 光油及塑料膜的损伤， 这种新型结构的瓦楞纸板生 产线在不增加成本的前提下， 可以有效适应预印彩色面纸的使用要求。
本发明与现有技术相比有如下优点和积极效果：
本发明釆用面纸在上、 单面瓦楞纸板在下的方式， 可以避免彩印面纸与烘 干部的高温热板直接接触， 从而有效防止对彩印面纸的材质、 图案、 光油及塑 料膜的损伤。
本发明在单面瓦楞纸板与面纸粘合时釆用玉米淀粉胶或白乳胶等熟胶类胶 水， 无须高温糊化， 可以有效缩短粘合时间， 在烘干温度降低的前提下甚至在 不经过烘干处理的情况下仍可保证粘合效果， 从而进一步降低高温对彩印面纸 的损伤。
本发明在单面瓦楞纸板与面纸粘合时釆用玉米淀粉胶或白乳胶等熟胶类胶 水， 面纸和单面瓦楞纸板在粘合前一般无需预热也可保证粘合效果， 因此可以 节约与预热相关的结构成本； 即使使用生胶类胶水， 面纸和单面瓦楞纸板在粘 合前进行预热处理， 由于面纸彩面在上， 面纸彩面不会与预热辊面接触， 也可 避免对彩面图案、 光油的损伤。
附图说明
图 1是现有预印面纸瓦楞纸板的生产过程图；
1、 单面瓦楞机； 1-1、 原纸支架； 1-2、 卷筒原纸； 1-3、 输纸过桥； 1-4、 导纸辊； 1-5、 瓦楞辊； 1-6、 单面瓦楞纸板； 1-7、 压力辊； 1-8、 预热辊； 1-9、 涂胶装置； 1-10、 单面瓦楞纸板预调器； 1-11、 涂胶装置； 2-1、 面纸； 2-2、 面纸导纸辊； 2-3、 面纸预调器； 2-4、 面纸原纸支架； 3、 烘干装置； 3-1、 加 热板； 3-2、 传送带； 4、 分纸压线机； 5、 横切机； 6、 堆码机； 7、 瓦楞纸垛。
图 1是本发明预印面纸瓦楞纸板生产方法及生产线的实施例之一示意图； 图 3是本发明预印面纸瓦楞纸板生产方法及生产线的实施例之二示意图； 图 4是本发明预印面纸瓦楞纸板生产方法及生产线的实施例之三示意图； 图 5是本发明预印面纸瓦楞纸板生产方法及生产线的实施例之四示意图； 1、 单面瓦楞机； 2、 单面瓦楞纸板； 3、 瓦楞纸导纸辊； 4、 原纸支架； 5、 卷筒面纸； 6、 预印面纸； 7、 涂胶装置； 8、 压合辊； 9、 双面瓦楞纸板； 10、 加热板； 1 1、 裁切装置； 12、 裁切刀； 1 3、 加热辊； 14、 双层瓦楞纸板； 15、 烘干装置； 16、 面纸导纸辊； 17、 下输送装置； 18、 地下通道。
具体实施方式
下面结合附图和实施例对本发明进行详细地描述。
实施例 1
参见图 2 , —种预印面纸瓦楞纸板生产线， 包括单面瓦楞机 1、 4个瓦楞纸 导纸辊 3、 一个面纸导纸辊 16、 原纸支架 4、 卷筒面纸 5、 涂胶装置 7及压合装 置 8 , 4个瓦楞纸导纸辊组成的瓦楞纸板输送装置，以实现从单机瓦楞机 1向压 合装置 8输送单面瓦楞纸板 2。 在瓦楞纸板输送装置具有一段下输送装置 17 , 所述下输送装置 17处于所述原纸支架 4的下方。
就具体技术方案而言， 在原纸支架 4下面挖一个地下通道 18 , 下输送装置 17设在该地下通道 18内， 单面瓦楞纸板 2在地下通道 18中穿过。 所述下输送 装置 17和地下通道 18所跨越的长度要大于原纸支架 4上支撑的两卷筒面纸 5 外径之间的距离。
工作时，从单面瓦楞机 1生产的单面瓦楞纸板 2 , 经过瓦楞纸导纸辊 3 , 从 原纸支架 4的下面的地下通道 18中引导出来，再经过涂胶装置 7在瓦楞纸板上 涂上胶水， 同时卷筒面纸 5在原纸支架 4的支撑下进行放卷成为连续的预印面 纸 6 ,预印面纸 6在压合辊 8之间与涂完胶的单面瓦楞纸板 1粘合，预印面纸 6 在上单面瓦楞纸板 2在下， 从而形成具有预印面纸瓦楞纸板， 即双面瓦楞纸板 9 , 该双面瓦楞纸板 9并进入烘干装置 15烘干。 烘干装置 15中的多个加热板 10处于所述双面瓦楞纸板 9的底面。 从上述结构的生产方法中可以看出， 双面 瓦楞纸板 9的上面的预印面纸 6不与加热板 10直接接触，完全可以有效防止对 预印面纸 6的材质、 图案、 光油及塑料膜的损伤。
实施例 2
对上述技术方案的另一种变化型式： 如图 3所示， 双面瓦楞纸板 9可以不 经过烘干装置 15进行烘干， 而是直接进入裁切装置 1 1 , 通过裁切刀 12将连续 的双面瓦楞纸板 9裁切成预定尺寸的单张双面瓦楞纸板， 可以完全避免高温对 瓦楞纸板预印面纸的影响。
实施例 3
对实施例 1技术方案的再一种变化型式： 如图 4所示， 单面瓦楞纸板 2先 经过两个加热辊 1 3烘干后进入下输送装置 17 , 再与预印面纸 6粘合， 单面瓦 楞纸板 2经过烘干处理可以提高双面瓦楞纸板 9的粘合效果。
实施例 4
对实施例 1技术方案的又一种变化型式： 如图 5所示， 釆用同样的结构原 理，将两层单面瓦楞纸板 2与预印面纸 6粘合在一起，生产出双层瓦楞纸板 14。 所述涂胶装置 Ί由相切的两个辊子组成，在切线上方的三角区域储存胶水， 两个辊子均向内反向旋转， 通过调整两个辊子的间隙可以调整胶水的涂胶量， 当单面瓦楞纸板 1从涂胶装置 7下面通过时， 辊子的下沿与单面瓦楞纸板 1的 楞峰接触， 从而在单面瓦楞纸板 1的楞峰涂上了适量的胶水。
所述压合辊 8由一对上下布置的辊子组成， 两个辊子的间隙可以根据瓦楞 纸板的厚度来调整， 两个辊子相向反向旋转， 当单面瓦楞纸板 2和预印面纸 6 一起通过上下压合辊时， 在上下压合辊的挤压下粘合在一起。
涂胶装置 7所使用的胶水釆用熟胶类胶水如玉米淀粉胶、 白乳胶等， 无须 高温熟化， 可以有效缩短粘合时间， 在烘干温度降低的前提下仍可保证粘合效 果， 从而进一步降低高温对彩印面纸的损伤。
以上所述， 仅是本发明的较佳实施例而已， 并非是对本发明作其它形式的 限制， 任何熟悉本专业的技术人员可能利用上述揭示的技术内容加以变更或改 型为等同变化的等效实施例。 但是凡是未脱离本发明技术方案内容， 依据本发 明的技术实质对以上实施例所作的任何简单修改、 等同变化与改型， 仍属于本 发明技术方案的保护范围。

Claims

权 利 要 求 书
1、一种预印面纸瓦楞纸板生产方法， 所述方法的生产线包括瓦楞机、 多个 瓦楞纸导纸辊、 至少一个面纸导纸辊、 原纸支架、 卷筒面纸、 涂胶装置及压合 辊，多个瓦楞纸导纸辊组成瓦楞纸板输送装置，其特征在于： 由瓦楞机输出并由 瓦楞纸板输送装置输送并经涂胶装置单面涂胶的瓦楞纸板， 与由卷筒面纸输出 并由面纸导纸辊输送的预印面纸在压合辊处汇合， 所述预印面纸在上所述瓦楞 纸板在下， 进入压合辊两者粘合形成预印面纸瓦楞纸板。
2、根据权利要求 1所述的方法， 其特征在于： 所述预印面纸瓦楞纸板从压 合辊输出进入烘干装置， 烘干装置中的加热板处于所述预印面纸瓦楞纸板的底 面。
3、根据权利要求 1所述的方法， 其特征在于： 所述预印面纸瓦楞纸板从压 合辊输出进入裁切装置， 通过裁切装置中的裁切刀将所述预印面纸瓦楞纸板裁 切成预定尺寸的预印面纸瓦楞纸板。
4、根据权利要求 1所述的方法， 其特征在于： 所述瓦楞纸板先经过加热辊 烘干后再与预印面纸粘合。
5、根据权利要求 1所述的方法， 其特征在于： 瓦楞纸板为两层单面瓦楞纸 板， 下层单面瓦楞纸板的上表面和上层单面瓦楞纸板的上表面分别由涂胶装置 涂胶， 上、 下层单面瓦楞纸板在压合辊处与预印面纸汇合， 预印面纸在上， 上 层单面瓦楞纸板在下， 经压合辊使上、 下层单面瓦楞纸板及上层单面瓦楞纸板 与预印面纸粘合在一起， 形成双层预印面纸瓦楞纸板。
6、根据权利要求 1至 4中任意一项权利要求所述的方法， 其特征在于： 所 述的瓦楞纸板为单面瓦楞纸板， 所述的瓦楞机为单面瓦楞机， 所述涂胶装置所 使用的胶水釆用熟胶类胶水，所述熟胶类胶水为玉米淀粉胶或白乳胶。
7、 一种预印面纸瓦楞纸板生产线， 包括瓦楞机、 多个瓦楞纸导纸辊、 至少 一个面纸导纸辊、 原纸支架、 卷筒面纸、 涂胶装置及压合装置， 由多个瓦楞纸 导纸辊组成的瓦楞纸板输送装置， 其特征在于： 所述瓦楞纸板输送装置具有一 段下输送装置， 所述下输送装置处于所述原纸支架的下方。
8、 根据权利要求 7 所述的一种预印面纸瓦楞纸板生产线， 其特征在于： 所述瓦楞机为单面瓦楞机， 所述涂胶装置由相切的两个辊子组成， 在 切线上方的区域为储存胶水区。
9、根据权利要求 8所述的一种预印面纸瓦楞纸板生产线， 其特征在于： 所 述压合装置为一对上下设置的压合辊。
10、 根据权利要求 7至 9中任意一项权利要求所述的一种预印面纸瓦楞纸 板生产线， 其特征在于： 所述下输送装置设在所述原纸支架下面的地下通 道内。
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