CN103171170B - 用在塑料制袋机上同时形成两个菱形翻角的机构及方法 - Google Patents

用在塑料制袋机上同时形成两个菱形翻角的机构及方法 Download PDF

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CN103171170B
CN103171170B CN201310122199.0A CN201310122199A CN103171170B CN 103171170 B CN103171170 B CN 103171170B CN 201310122199 A CN201310122199 A CN 201310122199A CN 103171170 B CN103171170 B CN 103171170B
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范为祎
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Zhejiang Shuchuang Intelligent Equipment Co.,Ltd.
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SHANGHAI SUNBRIGHT BAG MAKING MACHINE CO Ltd
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B31MAKING 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
    • B31BMAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B70/00Making flexible containers, e.g. envelopes or bags
    • B31B70/26Folding sheets, blanks or webs
    • B31B70/262Folding sheets, blanks or webs involving longitudinally folding, i.e. along a line parallel to the direction of movement
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B31MAKING 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
    • B31BMAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B70/00Making flexible containers, e.g. envelopes or bags
    • B31B70/14Cutting, e.g. perforating, punching, slitting or trimming
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B31MAKING 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
    • B31BMAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B70/00Making flexible containers, e.g. envelopes or bags
    • B31B70/14Cutting, e.g. perforating, punching, slitting or trimming
    • B31B70/16Cutting webs
    • B31B70/18Cutting webs longitudinally
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B31MAKING 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
    • B31BMAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B70/00Making flexible containers, e.g. envelopes or bags
    • B31B70/26Folding sheets, blanks or webs
    • B31B70/262Folding sheets, blanks or webs involving longitudinally folding, i.e. along a line parallel to the direction of movement
    • B31B70/266Folding sheets, blanks or webs involving longitudinally folding, i.e. along a line parallel to the direction of movement involving gusset-forming
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B31MAKING 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
    • B31BMAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B70/00Making flexible containers, e.g. envelopes or bags
    • B31B70/60Uniting opposed surfaces or edges; Taping
    • B31B70/64Uniting opposed surfaces or edges; Taping by applying heat or pressure
    • B31B70/644Making seals parallel to the direction of movement, i.e. longitudinal sealing
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B31MAKING 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
    • B31BMAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B70/00Making flexible containers, e.g. envelopes or bags
    • B31B70/60Uniting opposed surfaces or edges; Taping
    • B31B70/64Uniting opposed surfaces or edges; Taping by applying heat or pressure
    • B31B70/645Making seals transversally to the direction of movement
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B31MAKING 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
    • B31BMAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B2155/00Flexible containers made from webs
    • B31B2155/002Flexible containers made from webs by joining superimposed webs, e.g. with separate bottom webs
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B31MAKING 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
    • B31BMAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B2160/00Shape of flexible containers
    • B31B2160/20Shape of flexible containers with structural provision for thickness of contents

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Abstract

本发明涉及一种用在塑料制袋机上同时形成两个菱形翻角的机构及方法。以往塑料制袋机,多圈塑料薄膜都是同向间歇运动,限制了塑料制袋机生产出的袋型变化。本发明包括前置的导辊对、分切刀片、翻角装置和点焊单元。分切刀片设置在前置的导辊对上方,在前置的导辊对与翻角装置之间设置有点焊单元;所述的翻角装置包括一对导辊、一对模板、一对胶辊、上导辊和后导辊,一对导辊与来料方向垂直,该对导辊与上导辊所在的平面与来料方向呈设定角度,在该对导辊与上导辊之间设置有所述的一对模板和一对胶辊,胶辊设置在模板上方。本发明能在塑料薄膜行走过程中同时形成两个菱形翻角,结构简单,便于操作,同时提高了塑料制袋机的生产效率。

Description

用在塑料制袋机上同时形成两个菱形翻角的机构及方法
技术领域
本发明属于食品包装机械技术领域,尤其是一种用在塑料制袋机上同时形成两个菱形翻角的机构及方法。
背景技术
以往塑料制袋机,多圈塑料薄膜都是同向间歇运动,限制了塑料制袋机生产出的袋型变化,满足不了现在市场的需求。如果用机械式抓取,来同时形成两个菱形翻角,其机构又太复杂,并效率很低,这样浪费了很多时间,使塑料制袋机的生产效率大大降低。
发明内容
本发明针对现有技术的不足,提供了一种全新的用在塑料制袋机上的,在薄膜行走过程中同时形成两个菱形翻角的机构及其方法,使不同方向的塑料薄膜同时形成两个菱形翻角,这样既能提高生产效率又能在塑料制袋机上生产出更多的袋型。
本发明所述的机构包括前置的导辊对、分切刀片、翻角装置和点焊单元,其特征在于:分切刀片设置在前置的导辊对上方,在前置的导辊对与翻角装置之间设置有点焊单元;所述的翻角装置包括一对导辊、一对模板、一对胶辊、上导辊和后导辊,一对导辊与来料方向垂直,该对导辊与上导辊所在的平面与来料方向呈设定角度,在该对导辊与上导辊之间设置有所述的一对模板和一对胶辊,胶辊设置在模板上方。
本发明所述的方法是:
首先,上片主料经分切刀片分割成左上片主料和右上片主料,上片主料、右上片主料、对折后并且中间断开的衬料、下片主料在导辊对处汇合,其中分切刀片分切后的位置与衬料断开位置重叠。
其次,左上片主料,右上片主料,下片主料和衬料完成间歇运动后用电加热方式进行点焊,使左上片主料,右上片主料分别与衬料的上面料焊接,下片主料与衬料的下面料焊接。
最后,左上片主料,右上片主料,下片主料和衬料依次通过翻角装置中的一对导辊、一对胶辊、上导辊和后导辊;一对胶辊分别使左上片主料,右上片主料拉动点焊后的衬料向外展开,形成各自的菱角翻角。
本发明的有益效果:本发明用在塑料制袋机上,在塑料薄膜行走过程中同时形成两个菱形翻角,结构简单,便于操作,同时提高了塑料制袋机的生产效率。
附图说明
图1是本发明机构示意图;
图2是本发明菱角翻角原理图;
图3是本发明中胶辊结构示意图;
图4是本发明中衬料结构图;
图5是料材结合示意图。
具体实施方式
以下结合附图进一步说明本发明。
图1表示的是本次发明的同时形成两个菱形翻角的机构,包括前置的导辊对7、分切刀片4、翻角装置和点焊单元。分切刀片设置在前置的导辊对上方,在前置的导辊对与翻角装置之间设置有点焊单元;翻角装置包括一对导辊9、10、一对模板11、12、一对胶辊14、15、上导辊17和后导辊18,一对导辊与来料方向垂直,该对导辊与上导辊所在的平面与来料方向呈设定的a角(一般情况下选在120°-150°),在该对导辊与上导辊之间设置有所述的一对模板和一对胶辊,胶辊设置在模板上方。
利用上述机构进行翻角的方法:
上片主料1,下片主料2和对折后并且中间断开的衬料3(见图4),同时通过导辊对7,一对导辊9、10,上导辊17和后导辊18沿着走料方向做间歇运动,见图1,同时上片主料1被分切刀片4分成右上片主料5和左上片主料6,分切位置与衬料3断开位置重叠。
右上片主料,左上片主料,下片主料和衬料完成间歇运动后用电加热方式进行点焊8,见图5,使右上片主料,左上片主料与衬料的上面料焊接,下片主料与衬料的下面料焊接。
右上片主料,左上片主料,下片主料和衬料点焊8结束后通过一对导辊9、10,向上形成夹角a,再通过上导辊17,做间歇运动,利用一对模板的内侧,利用带锥度的被动转动胶辊(见图3),带锥度的被动转动胶辊使分切后的右上片主料、分切后的左上片主料拉动点焊后的衬料向外展开,形成两个菱角翻角(见图2)。
见图1。导辊9、10和模板11、12可同时沿着走料方向垂直的方向移动,来满足同时形成两个菱形翻角距离,即一对导辊之间距离可调,一对模板之间距离可调。
见图2,带锥度的被动转动胶辊14,轴13与行走的主料形成一定的角度,在由弹簧19压下,使带锥度的被动转动胶辊14压到分切后的右上片主料5对折后的上面,见图2,同样带锥度的被动转动胶辊15,轴16与行走的主料形成一定的角度,再由弹簧20压下,使带锥度的被动转动胶辊15压到分切后的左上片主料6对折后的上面。
带锥度的被动转动胶辊14,轴13,带锥度的被动转动胶辊15,轴16由弹簧压下,因其与主料形成一定的角度,在主料运动时胶辊14,胶辊15被动的转动,同时向外有个分解的力,使分切后的右上片主料5,分切后的左上片主料6拉动点焊后的对折后并且衬料13沿着模板11,模板12的内侧向外展开。

Claims (4)

1.用在塑料制袋机上同时形成两个菱形翻角的机构,包括前置的导辊对、分切刀片、翻角装置和点焊单元,其特征在于:分切刀片设置在前置的导辊对上方,在前置的导辊对与翻角装置之间设置有点焊单元;所述的翻角装置包括一对导辊、一对模板、一对胶辊、上导辊和后导辊,一对导辊与来料方向垂直,该对导辊与上导辊所在的平面与来料方向呈设定角度,在该对导辊与上导辊之间设置有所述的一对模板和一对胶辊,胶辊设置在模板上方;
所述的一对胶辊为带锥度的被动转动胶辊,该对胶辊在弹簧作用下与对应的模板成压紧状态;
所述的翻角装置中的一对导辊之间的导辊间距可调;
所述的翻角装置中的一对模板之间的模板间距可调。
2.根据权利要求1所述的用在塑料制袋机上同时形成两个菱形翻角的机构,其特征在于:点焊单元采用电加热方式。
3.根据权利要求1所述的用在塑料制袋机上同时形成两个菱形翻角的机构,其特征在于:胶辊轴线方向与行走的来料成设定的角度。
4.一种在塑料制袋机上同时形成两个菱形翻角的方法,其特征在于该方法具体是:
首先,上片主料经分切刀片分割成左上片主料和右上片主料,左上片主料、右上片主料、对折后并且中间断开的衬料、下片主料在导辊对处汇合,其中分切刀片分切后的位置与衬料断开位置重叠;
其次,左上片主料,右上片主料,下片主料和衬料完成间歇运动后用电加热方式进行点焊,使左上片主料,右上片主料分别与衬料的上面料焊接,下片主料与衬料的下面料焊接;
最后,左上片主料,右上片主料,下片主料和衬料依次通过翻角装置中的一对导辊、一对胶辊、上导辊和后导辊;一对胶辊分别使左上片主料,右上片主料拉动点焊后的衬料向外展开,形成各自的菱角翻角。
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