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CN109890604A - 用于封闭软管体的开口端的装置和方法 - Google Patents

用于封闭软管体的开口端的装置和方法 Download PDF

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CN109890604A
CN109890604A CN201780063552.9A CN201780063552A CN109890604A CN 109890604 A CN109890604 A CN 109890604A CN 201780063552 A CN201780063552 A CN 201780063552A CN 109890604 A CN109890604 A CN 109890604A
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hose body
open end
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CN109890604B (zh
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赫伯特·菲尔斯特
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Starlinger and Co GmbH
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    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B70/00—Making flexible containers, e.g. envelopes or bags
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    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D29/00—Sacks or like containers made of fabrics; Flexible containers of open-work, e.g. net-like construction
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B29C65/10—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using hot gases (e.g. combustion gases) or flames coming in contact with at least one of the parts to be joined
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
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    • B29C65/5042—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding using adhesive tape, e.g. thermoplastic tape; using threads or the like covering both elements to be joined
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    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/78—Means for handling the parts to be joined, e.g. for making containers or hollow articles, e.g. means for handling sheets, plates, web-like materials, tubular articles, hollow articles or elements to be joined therewith; Means for discharging the joined articles from the joining apparatus
    • B29C65/7858—Means for handling the parts to be joined, e.g. for making containers or hollow articles, e.g. means for handling sheets, plates, web-like materials, tubular articles, hollow articles or elements to be joined therewith; Means for discharging the joined articles from the joining apparatus characterised by the feeding movement of the parts to be joined
    • B29C65/7861—In-line machines, i.e. feeding, joining and discharging are in one production line
    • B29C65/787—In-line machines, i.e. feeding, joining and discharging are in one production line using conveyor belts or conveyor chains
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    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/01—General aspects dealing with the joint area or with the area to be joined
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    • B29C66/40—General aspects of joining substantially flat articles, e.g. plates, sheets or web-like materials; Making flat seams in tubular or hollow articles; Joining single elements to substantially flat surfaces
    • B29C66/41—Joining substantially flat articles ; Making flat seams in tubular or hollow articles
    • B29C66/43—Joining a relatively small portion of the surface of said articles
    • B29C66/431—Joining the articles to themselves
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/83—General aspects of machine operations or constructions and parts thereof characterised by the movement of the joining or pressing tools
    • B29C66/832—Reciprocating joining or pressing tools
    • B29C66/8322—Joining or pressing tools reciprocating along one axis
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/84—Specific machine types or machines suitable for specific applications
    • B29C66/851—Bag or container making machines
    • B29C66/8511—Bag making machines
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D33/00—Details of, or accessories for, sacks or bags
    • B65D33/16—End- or aperture-closing arrangements or devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D33/00—Details of, or accessories for, sacks or bags
    • B65D33/16—End- or aperture-closing arrangements or devices
    • B65D33/1658—Elements for flattening or folding the mouth portion
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D33/00—Details of, or accessories for, sacks or bags
    • B65D33/16—End- or aperture-closing arrangements or devices
    • B65D33/1691—End- or aperture-closing arrangements or devices using adhesive applied to attached closure elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B29C65/18—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated tools
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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Manufacturing & Machinery (AREA)
  • Making Paper Articles (AREA)
  • Shaping Of Tube Ends By Bending Or Straightening (AREA)
  • Bag Frames (AREA)
  • Treatment Of Fiber Materials (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)

Abstract

用于封闭软管体(3)的开口端(2)的装置(1)和方法，该软管体扁平地利用横向输送器(5)在横向于所述软管体(3)的纵向(7)的横向输送方向(6)上输送。所述装置(1)包括覆设单元(8)，该覆设单元(8)被构造用于给所述软管体(3)的开口端(2)包覆V形或U形折叠的材料带(10)，并且使得所述开口端与所述软管体(3)搭叠地连接，从而所述材料带(10)在所述开口端(2)包夹所述软管体(3)，并封闭所述软管体(3)的开口端(2)。所述软管体(3)在两侧沿纵向(7)在所述软管体(3)的主要区段(4)之间具有带折叠边壁(19)的折叠边(11)。所述装置(1)还具有连接单元(9)，该连接单元沿横向输送方向(6)布置在所述覆设单元(8)之前并且在所述开口端(2)的区域中使得每个折叠边壁(19)与所述软管体(3)的主要区段(4)连接。

Description

用于封闭软管体的开口端的装置和方法
本发明涉及用于封闭由聚合物织物或无纺布聚合物构成的软管体的开口端的装置和方法，该软管体扁平地利用横向输送器在横向于软管体纵向的横向输送方向上输送，该装置带有覆设单元，该覆设单元被构造用于给软管体的开口端包覆V形或U形折叠的材料带，并且使得所述开口端与软管体搭叠地连接，从而材料带在开口端包夹软管体，并封闭软管体的开口端。
作为纸袋和塑料膜袋的替代品，已研发出由聚合物织物制成的袋包，其由于强度高并且耐受外部影响比如天气而受到欢迎。作为用来制造这种聚合物织物袋的基础，通常考虑采用软管体，该软管体在扁平状态下具有两个基本上相互平行的主要区段，这些主要区段在相对侧通过纵向折叠而相互连接。为了制造聚合物织物袋，软管体的两个开口端之一在开口端区域内翻折，并将翻折的区域借助缝纫机与主要区段缝接。但在此已表明不利的是，由于缝接而使得织物在接缝区域内出现局部弱化或受损。由于织物弱化或受损，产生了袋包撕裂的风险，致使这种袋包的密封性无法在其寿命期间得到保证。另外，在缝接袋包时已表明不利的是，会出现纱线断裂，由此造成停产。此外，缝纫机的维护强度大，并且引起噪音水平高。
上述缺点可以采用根据欧洲专利文献EP 2 683 617 B1的袋包封闭方法予以消除。就由欧洲专利文献EP 2 683 617 B1已知的袋包封闭方法而言，袋包所基于的软管体的开口端借助V形或U形折叠的材料带而封闭。为此，该装置包括一些机构，利用这些机构把材料带牵拉到软管体的开口端上面，同时通过引入热能和挤压将材料带固定在软管体上，由此封闭软管体的开口端并形成袋包。该袋包封闭方法能实现密封地封闭聚合物织物袋，而无需缝纫机。然而，EP 2 683 617 B1的袋包封闭方法只适合于可靠地封闭无折叠的软管体。
本发明的目的是，提出无需使用缝纫机就能应付并且适合于带纵向折叠的袋包体的方法和装置。
根据本发明，该目的的实现方式为，软管体在两侧沿纵向在软管体的主要区段之间具有带折叠边壁的折叠边，该装置具有连接单元，该连接单元沿横向输送方向布置在覆设单元之前，并且在开口端区域中使得每个折叠边壁与软管体的主要区段连接。
若把根据EP 2 683 617 B1的袋包封闭方法应用到带折叠边的软管体上，材料带就会与主要区段连接，并且仅仅很少地与折叠边的折叠边壁连接，甚至无法连接。如果给这种袋包装填填料，折叠边就会向外翻转，这样一来，一方面会使得填料从如此形成的袋包中出来，另一方面会有有害物或污物进入到袋包内部。
根据本发明，该装置具有连接单元，该连接单元在横向输送方向上布置在覆设单元之前。该连接单元被构造用于在开口端区域中使得每个折叠边壁与软管体的主要区段连接。在利用覆设单元把V形或U形材料带牵拉到软管体的开口端区域上面并与软管体连接之前，在开口端区域中使得折叠边壁与主要区段连接，由此得到了如下优点：防止折叠边向外翻转，并且即使在软管体设有折叠边情况下也能产生密封的袋包封闭。因而能够可靠地防止填料从如此封闭的边折叠袋包中出来，并防止污物或有害物进入到如此封闭的边折叠袋包中。
优选地，通过连接单元也使得各折叠边的折叠边壁在软管体的开口端区域中相互连接。由此得到如下优点：边折叠袋包的采用该袋包封闭方法形成的封闭更加耐用。
在此还要注意，聚合物织物或无纺布聚合物(非织造)可以涂层或者不涂层，和/或可以层压地配备有可印刷的膜。软管件可以要么由形成软管的扁平的原材料构成，由此该原材料具有纵向接缝，要么由圆形的原材料构成。
本发明的装置和本发明的方法的其它优点将在下面借助附图予以详述。
图1以示意图示出本发明的用于封闭软管体的开口端的装置的一种变型设计；
图2以示意图示出具有本发明的根据图1的装置的系统的一种变型设计；
图3以示意图示出边折叠袋包的利用本发明的装置封闭的开口端的一种实施方式；
图4以示意性的侧视图示出扁平的带有折叠边的软管体。
图1以示意图示出本发明的装置1的一种变型设计。该装置1被构造用于封闭软管体3的开口端2。这些软管体3扁平地利用构造成输送带5的横向输送器沿着横向于软管体3的纵向7的横向输送方向6输送。这些软管体3分别具有两个主要区段4，这些主要区段在相对的边缘平行于纵向7与软管体3的折叠边11邻接。这些折叠边11又分别由两个折叠边壁19构成。为此参见图4。装置1包括覆设单元8和连接单元9，其中，连接单元9沿横向输送方向6布置在覆设单元8之前。连接单元9由超声焊接设备构成，且具有未示出的滚压超声震荡单元和未示出的滚压垫模。覆设单元8被构造用于给软管体3的开口端2包覆U形折叠的材料带10，并使得该材料带10与软管体5在主要区段4通过焊接而连接，其中，材料带10在开口端包夹软管体3，并封闭软管体3的开口端2。
在装置1的工作中，软管体3在输送带5上沿横向输送方向6输送，由此使得软管体3的开口端2在经过连接单元9时在滚压超声震荡单元和滚压垫模之间移动穿过。连接单元9使得折叠边11的折叠边壁19相互焊接，并在软管体3的开口端2的区域内仅在区段12中与软管体3的主要区段4焊接。折叠边壁19和主要区段4在此可以平面地或者至少线形地横向于纵向7焊接。接下来，软管体3的开口端2借助覆设单元8用U形折叠的材料带10包覆，其中，材料带10被压紧在每个软管体3上，并且，开口端2搭叠地借助热空气在主要区段4上与软管体3焊接。在此，U形的材料带10包夹软管体3的开口端2，并且使得软管体3的开口端2封闭，于是形成了边折叠袋包13。为此参见图3。材料带10利用覆设单元8在两个相继的软管体3之间断开，其中，多余的材料带10在未示出的后续加工步骤中与边折叠袋包13断开。
在另一变型设计中，材料带10被V形地折叠。
在另一变型设计中，覆设单元8和连接单元9在一个单元中构造。
在另一变型设计中，连接单元9由粘接剂涂覆单元构成，其中，在软管体3被输送经过连接单元9时，折叠边11的各折叠边壁19相互粘接，并与软管体3的主要区段4粘接。
在另一变型设计中，连接单元9由热风枪构成，并且，折叠边11的各折叠边壁19的相互焊接及与软管体3的主要区段4的焊接通过热空气进行。也存在如下可行性：连接单元9由脉冲焊接装置或至少一个加热部件构成。
图2以示意图示出系统14的一种变型设计，其用于把软管体3与软管形的原材料18截断，并利用本发明的根据图1的装置1使得被截断的软管体3的开口端2封闭。该系统14包括：构造成输送带5的横向输送器，该横向输送器使得软管体3沿着横向于软管体3的纵向7的横向输送方向6输送；纵向输送器15，该纵向输送器使得软管体3或软管形的原材料18在平行于软管体3的纵向7的纵向输送方向17上输送；和设置在纵向输送器15的区域中的截断单元16。该截断单元16被构造用于把软管形的原材料18截断成各软管体3。纵向输送器15有利地也由输送带或辊式输送器构成，并且横向于输送带5布置，其中，纵向输送器15沿纵向输送方向17把软管形的原材料18供应给输送带5。截断的各软管体3彼此间隔开地连续地放置在输送带5上。对于系统14，连接单元9在纵向输送器15的区域中沿纵向输送方向17布置在截断单元16之前。由此，仍在软管形的原材料18上，并且在软管形的原材料18截断成各软管体3之前，各折叠边壁19相互连接，并与主要区段4连接，其中，仅仅在区段12中各折叠边壁19相互连接，并与主要区段4彼此连接，这些区段在软管形的原材料18截断成各软管体3之后位于软管体3的开口端2的区域中。有利地，对于系统14，连接单元9由超声焊接设备、脉冲焊接装置或至少一个加热部件构成。
在另一变型设计中，截断单元16和连接单元9在一个单元中构造。
图3以示意图示出利用本发明的装置1形成的边折叠袋包13。
图4以示意图示出带有折叠边11的软管体3，其中，软管体3扁平地放置在未示出的基底上。

Claims (9)

1.一种用于封闭由聚合物织物或无纺布聚合物构成的软管体(3)的开口端(2)的装置(1)，该软管体(3)扁平地利用横向输送器(5)在横向于所述软管体(3)的纵向(7)的横向输送方向(6)上输送，该装置带有覆设单元(8)，该覆设单元(8)被构造用于给所述软管体(3)的开口端(2)包覆V形或U形折叠的材料带(10)，并且使得所述开口端与所述软管体(3)搭叠地连接，从而所述材料带(10)在所述开口端(2)包夹所述软管体(3)，并封闭所述软管体(3)的开口端(2)，其特征在于，所述软管体(3)在两侧沿纵向(7)在所述软管体(3)的主要区段(4)之间具有带折叠边壁(19)的折叠边(11)，所述装置(1)具有连接单元(9)，该连接单元沿横向输送方向(6)布置在所述覆设单元(8)之前并且在所述开口端(2)的区域中使得每个折叠边壁(19)与所述软管体(3)的主要区段(4)连接。
2.如权利要求1所述的装置(1)，其特征在于，所述连接单元(9)在所述开口端(2)的区域中使得各折叠边(11)的折叠边壁(19)相互连接。
3.如权利要求1或2所述的装置(1)，其特征在于，所述连接单元(9)由超声焊接单元或热风枪构成。
4.如权利要求1或2所述的装置(1)，其特征在于，所述连接单元(9)由脉冲焊接装置或至少一个加热部件构成。
5.如权利要求1或2所述的装置(1)，其特征在于，所述连接单元(9)由粘接剂涂覆单元构成。
6.一种系统(14)，用于从软管形的原材料(18)截断软管体(3)，并利用根据权利要求1～5中任一项所述的装置(1)使得被截断的软管体(3)的开口端(2)封闭，该系统包括：
横向输送器(5)，该横向输送器使得所述软管体(3)沿着横向于所述软管体(3)的纵向(7)的横向输送方向(6)输送；
纵向输送器(15)，该纵向输送器横向于所述横向输送器(5)布置，并使得所述软管形的原材料(18)在平行于所述纵向(7)的纵向输送方向(17)上供应给所述横向输送器(5)；和
设置在所述纵向输送器(15)的区域中的截断单元(16)，该截断单元把所述软管形的原材料(18)截断成各软管体(3)，其中，所述纵向输送器(15)把截断的各软管体(3)传送至所述横向输送器(5)，其中，连接单元(9)在所述纵向输送器(15)的区域中沿纵向输送方向(17)布置在所述截断单元(16)之前。
7.如权利要求6所述的系统(14)，其特征在于，所述连接单元(9)和所述截断单元(16)组装在一个单元中。
8.一种用于封闭由聚合物织物构成的软管体(3)的开口端(2)的方法，该软管体(3)扁平地利用横向输送器(5)在横向于所述软管体(3)的纵向(7)的横向输送方向(6)上输送，其中，利用覆设单元(8)把V形或U形折叠的材料带(10)牵拉到所述开口端(2)上面并与所述软管体(3)连接，从而V形或U形的所述材料带(10)在所述开口端(2)的区域中包夹并封闭所述软管体(3)，其特征在于，所述软管体(3)在两侧沿纵向(7)在所述软管体(3)的主要区段(4)之间具有带折叠边壁(19)的折叠边(11)，其中，在利用所述覆设单元(8)把V形或U形的所述材料带(10)牵拉到所述软管体(3)的开口端(2)的区域上面并与所述软管体(3)连接之前，在所述开口端(2)的区域中利用连接单元(9)使得每个折叠边壁(19)与主要区段(4)连接。
9.如权利要求8所述的方法，其特征在于，在所述开口端(2)的区域中利用连接单元(9)使得各折叠边壁(19)相互连接。
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