WO2017063138A1 - 淋膜机及其淋膜方法 - Google Patents

淋膜机及其淋膜方法 Download PDF

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Publication number
WO2017063138A1
WO2017063138A1 PCT/CN2015/091837 CN2015091837W WO2017063138A1 WO 2017063138 A1 WO2017063138 A1 WO 2017063138A1 CN 2015091837 W CN2015091837 W CN 2015091837W WO 2017063138 A1 WO2017063138 A1 WO 2017063138A1
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WIPO (PCT)
Prior art keywords
conveying
paperboard
cardboard
wax
waxing
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PCT/CN2015/091837
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English (en)
French (fr)
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Priority to PCT/CN2015/091837 priority Critical patent/WO2017063138A1/zh
Priority to US15/752,512 priority patent/US20180237994A1/en
Priority to EP15906023.5A priority patent/EP3363948A4/en
Priority to CN201580080468.9A priority patent/CN107636229A/zh
Publication of WO2017063138A1 publication Critical patent/WO2017063138A1/zh

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    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H23/00—Processes or apparatus for adding material to the pulp or to the paper
    • D21H23/02—Processes or apparatus for adding material to the pulp or to the paper characterised by the manner in which substances are added
    • D21H23/22—Addition to the formed paper
    • D21H23/52—Addition to the formed paper by contacting paper with a device carrying the material
    • D21H23/56—Rolls
    • D21H23/58—Details thereof, e.g. surface characteristics, peripheral speed
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H23/00—Processes or apparatus for adding material to the pulp or to the paper
    • D21H23/02—Processes or apparatus for adding material to the pulp or to the paper characterised by the manner in which substances are added
    • D21H23/22—Addition to the formed paper
    • D21H23/52—Addition to the formed paper by contacting paper with a device carrying the material
    • D21H23/56—Rolls
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H19/00—Coated paper; Coating material
    • D21H19/10—Coatings without pigments
    • D21H19/14—Coatings without pigments applied in a form other than the aqueous solution defined in group D21H19/12
    • D21H19/18—Coatings without pigments applied in a form other than the aqueous solution defined in group D21H19/12 comprising waxes
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
    • D21H21/14—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties characterised by function or properties in or on the paper
    • D21H21/16—Sizing or water-repelling agents

Definitions

  • the invention relates to a laminating machine and a laminating method thereof, in particular to a laminating machine for laminating wax film of an insulating cardboard in a field of carton processing and a laminating method thereof.
  • the existing carton is coated with a layer of wax liquid on each cardboard of the carton, and the liquid liquid and the cardboard which isolate the outer surface of the sea product are obtained by the wax liquid.
  • the existing waxing device can only complete the requirement of applying wax liquid on the surface of the cardboard, and the edge of the cardboard usually cannot effectively apply the wax liquid, and the carton storing the seafood has the defects of water seepage and cracking.
  • the object of the present invention is to provide a laminating machine which can perform a wax coating operation on the surface of the paperboard and the edge of the paperboard, thereby ensuring the overall water-blocking effect of the paperboard, and has a simple structure and a high degree of automation.
  • Another object of the present invention is to provide a laminating method which can perform a wax coating operation on the surface of the paperboard and the edge of the paperboard to ensure the overall water-blocking effect of the paperboard, and has a simple structure and a high degree of automation.
  • the invention provides a laminating machine, the laminating machine comprising:
  • a cardboard conveying mechanism having a conveying front end and a conveying end, the conveying front end having a height lower than a height of the conveying end;
  • a waxing head is disposed above the conveying end, and a waxing roller is respectively disposed on both sides of the waxing head.
  • the waxing roller comprises:
  • roller body having a hollow inner cavity connected to the waxing head through a connecting tube, the roller body is provided with a plurality of through holes, and the plurality of through holes are connected to the hollow inner cavity through;
  • a felt roller is sleeved on the roller body.
  • the cardboard transport mechanism comprises:
  • a conveying body having a front end conveying wheel and an end conveying wheel, the front end conveying wheel and the end conveying a conveyor belt is connected between the wheels, and the cardboard to be coated is placed on the conveyor belt;
  • the laminator further includes a wax tank located below the shower head and the two waxing rolls.
  • the conveying front end of the paperboard conveying mechanism is provided with a paper discharge tray having an inclined paper loading table.
  • the conveying end of the cardboard conveying mechanism is provided with a conveying mechanism including a front end conveying wheel, a middle conveying wheel and a rear end conveying wheel, the height of the front end conveying wheel, the rear end
  • the height of the transfer wheel is lower than the height of the middle transfer wheel
  • a first conveyor belt is connected between the front end transfer wheel and the middle transfer wheel
  • a connection between the middle transfer wheel and the rear transfer wheel is Second conveyor belt.
  • the height of the rear end transfer wheel is lower than the height of the front end transfer wheel.
  • a delivery bin is provided at the rear end transfer wheel.
  • the laminating machine further comprises a wax bath in which a wax bath is placed, the wax pool being connected to the wax head by a pump, the wax pool being located below the wax tank.
  • the invention also provides a laminating method of a laminating machine as described above, the laminating method comprising the following steps:
  • the waxing rollers located on both sides of the waxing head apply wax to both sides of the cardboard membrane.
  • the paperboard is an insulation paperboard
  • the thermal insulation paperboard comprises a cardboard body and a heat insulating cotton sheet adhered to each other, and the wax film is applied to an outer surface of the paperboard body and a side of the thermal insulation cardboard. The edge and the front edge of the insulating cardboard.
  • the cardboard body has a thickness of from 0.3 mm to 9 mm.
  • the insulating cotton sheet has a thickness of from 1 mm to 6 mm.
  • the waxing head of the invention can uniformly wax on the upper surface of the cardboard and the front edge of the cardboard, and simultaneously pass two waxing rolls on the two of the cardboard
  • the waxing operation is carried out on the side to effectively ensure the overall water-blocking effect of the paperboard.
  • the invention can perform the overall waxing operation on the paperboard, and has a simple structure and a high degree of automation.
  • Figure 1 is a schematic view showing the structure of a laminating machine of the present invention.
  • FIG. 2 is a schematic view showing the structure of a waxing roller of the laminating machine of the present invention.
  • the present invention provides a laminating machine comprising a cardboard conveying mechanism 1 and a waxing head 2, wherein: the cardboard conveying mechanism 1 has a conveying front end 11 and a conveying end 12, the conveying front end 11 having a low height At the height of the conveying end 12, the waxing head 2 is disposed above the conveying end 12, and the waxing roller 3 is respectively disposed on both sides of the waxing head 2.
  • the cardboard conveying mechanism 1 includes a conveying main body 4 and a plurality of pressing rollers 5, and the conveying main body 4 has a front end conveying wheel 41 and an end conveying wheel 42, and a conveying belt 43 is connected between the front end conveying wheel 41 and the end conveying wheel 42, and the conveying is carried out.
  • a paperboard 10 to be coated is placed on the belt 43.
  • the paperboard 10 may be a single-layer cardboard or a multi-layer cardboard composite paperboard of 0.3 mm to 9 mm, which is not limited herein; a plurality of pressure rollers 5 are disposed above the conveying body 4.
  • the cardboard 10 is interposed between the conveyor belt 43 and the plurality of pressure rollers 5.
  • the waxing head 2 is located above the conveying end 12 of the cardboard conveying mechanism 1, and the wax outlet 21 is located above the end conveying wheel 42 of the cardboard conveying mechanism 1, and the wax outlet 21 of the waxing head 2 is elongated, and the outlet is The length of the wax opening 21 corresponds to the width of the paperboard 10, and when the paperboard 10 is conveyed to the end conveying wheel 42, that is, the front end edge of the paperboard 10 is opposed to the wax outlet 21 of the waxing head 2, at this time, the opening is turned on.
  • the wax head 2 sprays the wax liquid in the wax head 2 from the wax outlet 21 onto the cardboard 10.
  • the waxing head 2 is connected to a wax bath 7 containing a wax liquid by a pump 6, and the wax liquid in the wax pool 7 is pumped into the wax head 2 by a pump 6.
  • the paperboard 10 is moved from the conveying front end 11 of the paperboard conveying mechanism 1 to the conveying end 12 by the conveying belt 43, since the height of the conveying front end 11 is lower than the height of the conveying end 12, that is, the conveying belt 43 is disposed at a certain inclination so that the cardboard 10 During the conveying process, the conveying is carried out in an oblique upward direction.
  • the wax curtain in the wax head 2 at the conveying end 12 can be poured onto the front edge of the cardboard 10 while passing the uniform speed of the cardboard 10 on the cardboard conveying mechanism 1.
  • the wax liquid in the wax head 2 can also be sprayed onto the entire upper surface of the paperboard 10, thereby achieving the purpose of uniformly covering the wax liquid on the upper surface of the paperboard 10 and the front edge of the paperboard 10.
  • the pressure roller 5 is pressed against the conveyor belt 43 to prevent the paperboard 10 from slipping off the conveyor belt 43 during transportation.
  • the waxing roller 3 includes a roller body 31 and a felt roller 32.
  • the roller body 31 has a hollow inner cavity, and the hollow inner cavity is connected to the waxing head 2 through a connecting pipe 33, and the roller body 31
  • a plurality of through holes 311 are provided, and the plurality of through holes 311 are in communication with the hollow inner cavity; the felt roller 32 is sleeved and connected to the roller body 31.
  • the waxing roller 3 has a fixing bracket 34, and the roller body 31 is rotatably coupled to the fixing bracket 34 by bearings connected at both ends thereof.
  • the roller body 31 has a substantially cylindrical shape, and the upper end thereof is connected to the wax by the connecting pipe 33.
  • the head 2 is connected such that the wax liquid in the wax head 2 flows from the connecting pipe 33 into the hollow inner cavity of the roller body 31; the peripheral wall of the roller body 31 is provided with a plurality of through holes 311, and the through holes 311 and the hollow inner portion The cavity is in communication, and the wax liquid flowing into the hollow inner cavity of the roller body 31 can flow from the through holes 311 to the outer wall surface of the roller body 31.
  • the felt roller 32 has a substantially cylindrical shape, the inner diameter of which is slightly larger than the outer diameter of the roller body 31, the felt roller 32 is sleeved on the outer surface of the roller body 31, and the felt roller 32 rotates together with the roller body 31, and the felt roller 32 During the rotation of the roller body 31, it can be in contact with the outer wall of the roller body 31 and the side edge of the cardboard 10, so that the felt roller 32 can adhere the wax liquid on the outer wall surface of the roller body 31 to the side edge of the cardboard 10 to reach The purpose of waxing the side edges of the paperboard 10 is carried out.
  • the laminating machine further comprises a wax tank 8 located below the waxing head 2 and the two waxing rollers 3 for collecting excess wax liquid flowing from the waxing head 2 and the waxing roller 3,
  • the wax tank 8 is located above the wax pool 7, and the wax liquid in the wax tank 8 flows into the wax pool 7 through the outlet at the bottom thereof.
  • the conveying front end 11 of the cardboard conveying mechanism 1 is provided with a paper discharge tray 13 having an inclined paper loading surface 131 for placing the paperboard to be waxed. 10, in order to allow the paperboard 10 to enter the cardboard conveying mechanism 1 to form an angle of the same inclination angle as the conveyor belt 43, to facilitate the transportation of the cardboard 10.
  • the conveying end 12 of the cardboard conveying mechanism 1 is provided with a conveying mechanism 9 including a front end conveying wheel 91, a middle conveying wheel 92 and a rear end conveying wheel 93, a height of the front end conveying wheel 91, and a rear end conveying wheel
  • the height of 93 is lower than the height 92 of the middle transfer wheel, and the front transfer wheel 91 and the middle transfer wheel 92 are connected to each other.
  • a conveyor belt 94 is connected to the second conveyor belt 95 between the intermediate transfer wheel 92 and the rear end transfer wheel 93.
  • the height of the rear end transfer wheel 93 is lower than the height of the front end transfer wheel 91.
  • the front end conveying wheel 91, the middle conveying wheel 92 and the rear end conveying wheel 93 of the conveying mechanism 9 are activated, and under the action of the rotation of the three, the first conveying belt 94 receives the cardboard 10 which is sprayed with the wax liquid from the cardboard conveying mechanism 1.
  • the paperboard 10 is conveyed to a second conveyor belt 95 which conveys the paperboard 10 to a delivery bin 96 disposed at the rear end transfer wheel 93, thereby completing the retracting operation.
  • the laminating machine of the present invention can uniformly wax on the upper surface of the paperboard 10 and the front end edge of the paperboard 10 through the waxing head 2, and at the same time, the waxing operation is performed on both side edges of the paperboard 10 by the two waxing rollers 3, The overall water-blocking effect of the paperboard 10 is effectively ensured, and the laminating machine can perform the overall waxing operation on the paperboard 10, and the structure is simple and the degree of automation is high.
  • the present invention also provides a laminating method for a laminating machine, wherein the structure, working principle and beneficial effects of the laminating machine in the second embodiment are the same as those of the first embodiment, and Let me repeat.
  • the laminating method of the laminating machine comprises the following steps:
  • the cardboard conveying mechanism 1 is inclined at a certain inclination angle
  • the cardboard 10 placed thereon is also inclined at an angle.
  • the paperboard 10 When the front end transport wheel 41 and the rear end transport wheel 42 of the paperboard transport mechanism 1 are activated, the paperboard 10 is moved by the transport belt 43 from the transport front end 11 of the paperboard transport mechanism 1 to the transport end 12 by the rotation of the two.
  • the paperboard 10 is conveyed in an obliquely upward direction during transport.
  • the wax curtain in the wax head 2 at the delivery end 12 can be poured onto the front edge of the cardboard 10 while passing through the cardboard 10 on the cardboard transport mechanism 1.
  • the uniform movement of the wax liquid in the wax head 2 can also be sprayed onto the entire upper surface of the paperboard 10, so as to achieve uniform coverage of the wax liquid on the upper surface of the paperboard 10 and the front edge of the paperboard 10, on the other hand.
  • the paperboard 10 is an insulation paperboard
  • the thermal insulation paperboard comprises a cardboard body and a heat insulating cotton sheet adhered to each other, and a wax film coated from the showering head 2 is applied to the outer surface of the cardboard body and the thermal insulation cardboard.
  • the both side edges of the insulating cardboard are coated by a waxing roller 3 disposed on both sides of the waxing head 2.
  • the thickness of the cardboard body is from 0.3 mm to 9 mm; and the thickness of the heat insulating cotton sheet is from 1 mm to 6 mm.
  • the laminating method of the present invention can not only wax on the upper surface of the paperboard 10 and the front end edge of the paperboard 10, but also wax the both sides of the paperboard 10, thereby effectively ensuring the overall water-blocking effect of the paperboard 10.
  • the laminating method can perform the overall waxing operation on the paperboard 10, and has a simple structure and a high degree of automation.

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  • Coating Apparatus (AREA)

Abstract

一种淋膜机及其淋膜方法，该淋膜机包括：纸板输送机构(1)，其具有输送前端(11)和输送末端(12)，所述输送前端(11)的高度低于所述输送末端(12)的高度；淋蜡头(2)，其设置在所述输送末端(12)的上方，所述淋蜡头(2)的两侧分别设有淋蜡辊(3)。所述淋膜机及其淋膜方法可在纸板(10)的表面及纸板(10)的边缘进行涂蜡作业，保证了纸板(10)的整体隔水效果，其结构简单，自动化程度高。

Description

淋膜机及其淋膜方法 技术领域
本发明有关于一种淋膜机及其淋膜方法，尤其有关于一种纸箱加工领域中对保温纸板淋蜡膜的淋膜机及其淋膜方法。
背景技术
目前，海鲜等海产品通常通过纸箱进行运输输送，海鲜外表面不可避免地会存在一定的液体，这就要求存放海产品的纸箱具有一定的防水功能，以保障海产品的长途运输。
现有纸箱是在纸箱的各个纸板上涂覆一层蜡液，通过蜡液达到隔离海产品外表面的液体与纸板的作用。然而，现有的淋蜡装置仅能完成在纸板表面涂抹蜡液的要求，纸板边缘通常不能有效涂抹蜡液，导致存放海产品的纸箱存在渗水而破裂的缺陷。
因此，有必要提供一种新的淋膜机，来克服上述缺陷。
发明内容
本发明的目的是提供一种淋膜机，其可在纸板的表面及纸板的边缘进行涂蜡膜作业，保证了纸板的整体隔水效果，其结构简单，自动化程度高。
本发明的另一目的是提供一种淋膜方法，其可在纸板的表面及纸板的边缘进行涂蜡膜作业，保证了纸板的整体隔水效果，其结构简单，自动化程度高。
本发明的上述目的可采用下列技术方案来实现：
本发明提供一种淋膜机，所述淋膜机包括：
纸板输送机构，其具有输送前端和输送末端，所述输送前端的高度低于所述输送末端的高度；
淋蜡头，其设置在所述输送末端的上方，所述淋蜡头的两侧分别设有淋蜡辊。
在优选的实施方式中，所述淋蜡辊包括：
辊体，其具有中空内腔，所述中空内腔通过连接管与所述淋蜡头相连，所述辊体上设有多个通孔，多个所述通孔与所述中空内腔相连通；
毛毡辊筒，其套设连接在所述辊体上。
在优选的实施方式中，所述纸板输送机构包括：
输送主体，其具有前端输送轮和末端输送轮，所述前端输送轮与所述末端输送 轮之间连接有输送带，待淋膜的纸板放置在所述输送带上；
多个压辊，其设置在所述输送主体的上方，所述纸板夹设在所述输送带与多个所述压辊之间。
在优选的实施方式中，所述淋膜机还包括蜡槽，所述蜡槽位于所述淋蜡头与两个所述淋蜡辊的下方。
在优选的实施方式中，所述纸板输送机构的输送前端设有放纸架，所述放纸架具有倾斜放纸台面。
在优选的实施方式中，所述纸板输送机构的输送末端设有传送机构，所述传送机构包括前端传送轮、中部传送轮和后端传送轮，所述前端传送轮的高度、所述后端传送轮的高度分别低于所述中部传送轮的高度，所述前端传送轮与所述中部传送轮之间连接有第一传送带，所述中部传送轮与所述后端传送轮之间连接有第二传送带。
在优选的实施方式中，所述后端传送轮的高度低于与所述前端传送轮的高度。
在优选的实施方式中，所述后端传送轮处设置有收纸架。
在优选的实施方式中，所述淋膜机还包括放置有蜡液的蜡池，所述蜡池通过泵与所述淋蜡头相连，所述蜡池位于所述蜡槽的下方。
本发明还提供一种如上所述的淋膜机的淋膜方法，所述淋膜方法包括如下步骤：
a)在纸板输送机构上放置纸板，淋蜡头与所述纸板的前端边缘上下相对；
b)打开所述淋蜡头并启动所述纸板输送机构，所述淋蜡头对所述纸板的前端边缘及所述纸板的上表面淋蜡膜；
c)在所述纸板自所述纸板输送机构的输送前端移动至所述纸板输送机构的输送末端的状态下，位于所述淋蜡头两侧的淋蜡辊对所述纸板的两侧涂蜡膜。
在优选的实施方式中，所述纸板为保温纸板，所述保温纸板包括相互粘贴的纸板本体及保温棉片，所述蜡膜涂覆至所述纸板本体的外表面、所述保温纸板的侧边缘及所述保温纸板的前端边缘。
在优选的实施方式中，所述纸板本体的厚度为0.3mm～9mm。
在优选的实施方式中，所述保温棉片的厚度为1mm～6mm。
本发明的淋膜机及其淋膜方法的特点及优点是：本发明通过淋蜡头可在纸板的上表面及纸板的前端边缘进行均匀淋蜡，同时通过两个淋蜡辊在纸板的两侧边进行涂蜡作业，有效保证了纸板的整体隔水效果，本发明可对纸板进行整体淋蜡作业，其结构简单，自动化程度高。
附图说明
为了更清楚地说明本发明实施例中的技术方案，下面将对实施例描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本发明的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他的附图。
图1为本发明的淋膜机的结构示意图。
图2为本发明的淋膜机的淋蜡辊的结构示意图。
具体实施方式
下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本发明一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有作出创造性劳动前提下所获得的所有其他实施例，都属于本发明保护的范围。
实施方式一
如图1所示，本发明提供一种淋膜机，其包括纸板输送机构1和淋蜡头2，其中：纸板输送机构1具有输送前端11和输送末端12，所述输送前端11的高度低于所述输送末端12的高度；淋蜡头2设置在所述输送末端12的上方，所述淋蜡头2的两侧分别设有淋蜡辊3。
具体是，纸板输送机构1包括输送主体4和多个压辊5，输送主体4具有前端输送轮41和末端输送轮42，前端输送轮41与末端输送轮42之间连接有输送带43，输送带43上放置有待淋膜的纸板10，该纸板10可为0.3mm～9mm的单层纸板或多层纸板的复合纸板，在此不作限制；多个压辊5设置在输送主体4的上方，纸板10夹设在输送带43与多个压辊5之间。
淋蜡头2位于纸板输送机构1的输送末端12上方，其出蜡口21位于纸板输送机构1的末端输送轮42的上方处，淋蜡头2的出蜡口21呈长条状，该出蜡口21的长度与纸板10的宽度相对应，当纸板10被输送至末端输送轮42处时，也即纸板10的前端边缘与淋蜡头2的出蜡口21上下相对，此时打开淋蜡头2，将淋蜡头2内的蜡液自出蜡口21幕淋至纸板10上。在本发明中，该淋蜡头2通过泵6与一盛装蜡液的蜡池7相连，通过泵6将蜡池7中的蜡液泵入淋蜡头2内。
启动该纸板输送机构1的前端输送轮41与后端输送轮42，在二者的转动作用下， 纸板10通过输送带43自纸板输送机构1的输送前端11移动至输送末端12，由于输送前端11的高度低于输送末端12的高度，也即，输送带43呈一定的倾角设置，使得纸板10在输送过程中呈倾斜向上的方向输送，一方面，可使位于输送末端12的淋蜡头2内的蜡液幕淋至纸板10的前端边缘，同时通过纸板10在纸板输送机构1上的匀速移动，淋蜡头2内的蜡液也可幕淋至纸板10的整个上表面上，从而达到使蜡液均匀覆盖在纸板10上表面及纸板10前端边缘的目的，另一方面，通过多个压辊5抵压在输送带43上，可防止纸板10在输送过程中自输送带43上滑落。
两个淋蜡辊3设置在淋蜡头2的两侧，两个淋蜡辊3之间的宽度与纸板10的宽度相当，以使淋蜡辊3可与纸板10的两侧边缘相接触。在本发明中，如图2所示，淋蜡辊3包括辊体31和毛毡辊筒32，辊体31具有中空内腔，中空内腔通过连接管33与淋蜡头2相连，辊体31上设有多个通孔311，多个通孔311与中空内腔相连通；毛毡辊筒32套设连接在辊体31上。
具体是，淋蜡辊3具有固定支架34，辊体31通过连接在其两端的轴承可转动地连接在固定支架34上，辊体31大体呈圆柱筒形，其上端通过连接管33与淋蜡头2相连，从而使淋蜡头2内的蜡液自连接管33流入辊体31的中空内腔中；辊体31的周壁上设有多个通孔311，该些通孔311与中空内腔相连通，流入辊体31中空内腔内的蜡液可自该些通孔311流至辊体31的外壁面。
毛毡辊筒32大体呈圆柱筒形，其内径稍大于辊体31的外径，毛毡辊筒32套在辊体31的外表面，毛毡辊筒32与辊体31一同转动，该毛毡辊筒32在辊体31转动的过程中可与辊体31的外壁及纸板10的侧边缘相接触，从而毛毡辊筒32可将辊体31外壁面上的蜡液粘淋至纸板10的侧边缘，达到对纸板10侧边缘进行淋蜡的目的。
进一步的，该淋膜机还包括蜡槽8，蜡槽8位于淋蜡头2与两个淋蜡辊3的下方，以便收集自淋蜡头2及淋蜡辊3内流出的多余蜡液，该蜡槽8位于蜡池7的上方，蜡槽8内的蜡液通过其底部的出口流至蜡池7内。
在本发明的实施例中，该纸板输送机构1的输送前端11设有放纸架13，该放纸架13具有倾斜放纸台面131，该倾斜放纸台面131用于放置待淋蜡的纸板10，以使纸板10进入纸板输送机构1前形成与输送带43相同倾斜角度的角度，方便纸板10运输。
进一步的，该纸板输送机构1的输送末端12设有传送机构9，该传送机构9包括前端传送轮91、中部传送轮92和后端传送轮93，前端传送轮91的高度、后端传送轮93的高度分别低于中部传送轮的高度92，该前端传送轮91与中部传送轮92之间连接有第 一传送带94，该中部传送轮92与后端传送轮93之间连接有第二传送带95。在该实施例中，后端传送轮93的高度低于与前端传送轮91的高度。
启动传送机构9的前端传送轮91、中部传送轮92和后端传送轮93，在三者的转动作用下，第一传送带94承接自纸板输送机构1输送的幕淋有蜡液的纸板10，并将该纸板10传送至第二传送带95，该第二传送带95将纸板10传送至设置在后端传送轮93处的收纸架96内，从而完成的收放作业。
本发明的淋膜机，通过淋蜡头2可在纸板10的上表面及纸板10的前端边缘进行均匀淋蜡，同时通过两个淋蜡辊3在纸板10的两侧边缘进行涂蜡作业，有效保证了纸板10的整体隔水效果，该淋膜机可对纸板10进行整体淋蜡作业，其结构简单，自动化程度高。
实施方式二
如图1和图2所示，本发明还提供一种淋膜机的淋膜方法，其中，实施方式二中的淋膜机的结构、工作原理和有益效果与实施方式一相同，在此不再赘述。所述淋膜机的淋膜方法包括如下步骤：
a)在纸板输送机构1上放置纸板10，淋蜡头2与所述纸板10的前端边缘上下相对；
b)打开所述淋蜡头2并启动所述纸板输送机构1，所述淋蜡头2对所述纸板10的前端边缘及所述纸板10的上表面淋蜡膜；
c)在所述纸板10自所述纸板输送机构1的输送前端11移动至所述纸板输送机构1的输送末端12的状态下，位于所述淋蜡头2两侧的淋蜡辊3对所述纸板10的两侧边缘涂蜡膜。
具体是，由于纸板输送机构1呈一定倾角倾斜设置，因此放置在其上的纸板10也成一定角度倾斜设置。
当启动该纸板输送机构1的前端输送轮41与后端输送轮42后，在二者的转动作用下，纸板10通过输送带43自纸板输送机构1的输送前端11移动至输送末端12，由于纸板10在输送过程中呈倾斜向上的方向输送，一方面，可使位于输送末端12的淋蜡头2内的蜡液幕淋至纸板10的前端边缘，同时通过纸板10在纸板输送机构1上的匀速移动，淋蜡头2内的蜡液也可幕淋至纸板10的整个上表面上，从而达到使蜡液均匀覆盖在纸板10的上表面及纸板10的前端边缘的目的，另一方面，通过位于纸板输送机构1上方的多个压辊5抵压在输送带43上，可防止纸板10在输送过程中自输送带43上滑 落。
在本发明中，该纸板10为保温纸板，该保温纸板包括相互粘贴的纸板本体及保温棉片，自淋蜡头2幕淋的蜡膜涂覆至纸板本体的外表面及所述保温纸板的前端边缘，该保温纸板的两侧边缘通过设置在淋蜡头2两侧的淋蜡辊3涂覆。在本发明中，纸板本体的厚度为0.3mm～9mm；保温棉片的厚度为1mm～6mm。
本发明的淋膜方法，不仅可在纸板10的上表面及纸板10的前端边缘进行淋蜡，同时可对纸板10的两侧边缘也进行涂蜡，有效保证了纸板10的整体隔水效果，该淋膜方法可对纸板10进行整体淋蜡作业，其结构简单，自动化程度高。
以上所述仅为本发明的几个实施例，本领域的技术人员依据申请文件公开的内容可以对本发明实施例进行各种改动或变型而不脱离本发明的精神和范围。

Claims (13)

  1. 一种淋膜机，其特征在于，所述淋膜机包括：
    纸板输送机构，其具有输送前端和输送末端，所述输送前端的高度低于所述输送末端的高度；
    淋蜡头，其设置在所述输送末端的上方，所述淋蜡头的两侧分别设有淋蜡辊。
  2. 如权利要求1所述的淋膜机，其特征在于，所述淋蜡辊包括：
    辊体，其具有中空内腔，所述中空内腔通过连接管与所述淋蜡头相连，所述辊体上设有多个通孔，多个所述通孔与所述中空内腔相连通；
    毛毡辊筒，其套设连接在所述辊体上。
  3. 如权利要求1所述的淋膜机，其特征在于，所述纸板输送机构包括：
    输送主体，其具有前端输送轮和末端输送轮，所述前端输送轮与所述末端输送轮之间连接有输送带，待淋膜的纸板放置在所述输送带上；
    多个压辊，其设置在所述输送主体的上方，所述纸板夹设在所述输送带与多个所述压辊之间。
  4. 如权利要求1所述的淋膜机，其特征在于，所述淋膜机还包括蜡槽，所述蜡槽位于所述淋蜡头与两个所述淋蜡辊的下方。
  5. 如权利要求1所述的淋膜机，其特征在于，所述纸板输送机构的输送前端设有放纸架，所述放纸架具有倾斜放纸台面。
  6. 如权利要求1所述的淋膜机，其特征在于，所述纸板输送机构的输送末端设有传送机构，所述传送机构包括前端传送轮、中部传送轮和后端传送轮，所述前端传送轮的高度、所述后端传送轮的高度分别低于所述中部传送轮的高度，所述前端传送轮与所述中部传送轮之间连接有第一传送带，所述中部传送轮与所述后端传送轮之间连接有第二传送带。
  7. 如权利要求6所述的淋膜机，其特征在于，所述后端传送轮的高度低于与所述前端传送轮的高度。
  8. 如权利要求6所述的淋膜机，其特征在于，所述后端传送轮处设置有收纸架。
  9. 如权利要求4所述的淋膜机，其特征在于，所述淋膜机还包括放置有蜡液的蜡池，所述蜡池通过泵与所述淋蜡头相连，所述蜡池位于所述蜡槽的下方。
  10. 一种如权利要求1～9中任一项所述的淋膜机的淋膜方法，其特征在于，所述淋膜方法包括如下步骤：
    a)在纸板输送机构上放置纸板，淋蜡头与所述纸板的前端边缘上下相对；
    b)打开所述淋蜡头并启动所述纸板输送机构，所述淋蜡头对所述纸板的前端边缘及所述纸板的上表面淋蜡膜；
    c)在所述纸板自所述纸板输送机构的输送前端移动至所述纸板输送机构的输送末端的状态下，位于所述淋蜡头两侧的淋蜡辊对所述纸板的两侧涂蜡膜。
  11. 如权利要求10所述的淋膜方法，其特征在于，所述纸板为保温纸板，所述保温纸板包括相互粘贴的纸板本体及保温棉片，所述蜡膜涂覆至所述纸板本体的外表面、所述保温纸板的侧边缘及所述保温纸板的前端边缘。
  12. 如权利要求11所述的淋膜方法，其特征在于，所述纸板本体的厚度为0.3mm～9mm。
  13. 如权利要求11所述的淋膜方法，其特征在于，所述保温棉片的厚度为1mm～6mm。
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