CN101072709A - 包装机和包装方法 - Google Patents

包装机和包装方法 Download PDF

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Publication number
CN101072709A
CN101072709A CNA2005800421071A CN200580042107A CN101072709A CN 101072709 A CN101072709 A CN 101072709A CN A2005800421071 A CNA2005800421071 A CN A2005800421071A CN 200580042107 A CN200580042107 A CN 200580042107A CN 101072709 A CN101072709 A CN 101072709A
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CN
China
Prior art keywords
packing
cutter
conductive material
sealing
induction heater
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Pending
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CNA2005800421071A
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English (en)
Inventor
近野秀俊
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Tetra Laval Holdings and Finance SA
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Tetra Laval Holdings and Finance SA
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Publication of CN101072709A publication Critical patent/CN101072709A/zh
Pending legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D7/22—Safety devices specially adapted for cutting machines
    • 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
    • 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
    • B29C65/34—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement"
    • B29C65/36—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement" heated by induction
    • B29C65/3604—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement" heated by induction characterised by the type of elements heated by induction which remain in the joint
    • B29C65/3656—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement" heated by induction characterised by the type of elements heated by induction which remain in the joint being a layer of a multilayer part to be joined, e.g. for joining plastic-metal laminates
    • 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
    • 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
    • B29C65/34—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement"
    • B29C65/36—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement" heated by induction
    • B29C65/3672—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement" heated by induction characterised by the composition of the elements heated by induction which remain in the joint
    • B29C65/3676—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement" heated by induction characterised by the composition of the elements heated by induction which remain in the joint being metallic
    • B29C65/368—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement" heated by induction characterised by the composition of the elements heated by induction which remain in the joint being metallic with a polymer coating
    • 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
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/74—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by welding and severing, or by joining and severing, the severing being performed in the area to be joined, next to the area to be joined, in the joint area or next to the joint area
    • B29C65/745—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by welding and severing, or by joining and severing, the severing being performed in the area to be joined, next to the area to be joined, in the joint area or next to the joint area using a single unit having both a severing tool and a welding tool
    • B29C65/7451—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by welding and severing, or by joining and severing, the severing being performed in the area to be joined, next to the area to be joined, in the joint area or next to the joint area using a single unit having both a severing tool and a welding tool the severing tool and the welding tool being movable with respect to one-another
    • 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
    • B29C66/01—General aspects dealing with the joint area or with the area to be joined
    • B29C66/05—Particular design of joint configurations
    • B29C66/10—Particular design of joint configurations particular design of the joint cross-sections
    • B29C66/11—Joint cross-sections comprising a single joint-segment, i.e. one of the parts to be joined comprising a single joint-segment in the joint cross-section
    • B29C66/112—Single lapped joints
    • B29C66/1122—Single lap to lap joints, i.e. overlap joints
    • 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
    • B29C66/40—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
    • B29C66/4312—Joining the articles to themselves for making flat seams in tubular or hollow articles, e.g. transversal seams
    • 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
    • B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/72—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined
    • B29C66/723—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined being multi-layered
    • B29C66/7232—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined being multi-layered comprising a non-plastics layer
    • B29C66/72321—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined being multi-layered comprising a non-plastics layer consisting of metals or their alloys
    • 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
    • B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/72—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined
    • B29C66/723—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined being multi-layered
    • B29C66/7232—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined being multi-layered comprising a non-plastics layer
    • B29C66/72327—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined being multi-layered comprising a non-plastics layer consisting of natural products or their composites, not provided for in B29C66/72321 - B29C66/72324
    • B29C66/72328—Paper
    • 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
    • B29C66/81—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps
    • B29C66/814—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps
    • B29C66/8141—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined
    • B29C66/81427—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined comprising a single ridge, e.g. for making a weakening line; comprising a single tooth
    • 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
    • B29C66/81—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps
    • B29C66/814—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps
    • B29C66/8145—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the constructional aspects of the pressing elements, e.g. of the welding jaws or clamps
    • B29C66/81457—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the constructional aspects of the pressing elements, e.g. of the welding jaws or clamps comprising a block or layer of deformable material, e.g. sponge, foam, rubber
    • 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
    • B29C66/834—General aspects of machine operations or constructions and parts thereof characterised by the movement of the joining or pressing tools moving with the parts to be joined
    • B29C66/8351—Jaws mounted on rollers, cylinders, drums, bands, belts or chains; Flying jaws
    • B29C66/83541—Jaws mounted on rollers, cylinders, drums, bands, belts or chains; Flying jaws flying jaws, e.g. jaws mounted on crank mechanisms or following a hand over hand movement
    • B29C66/83543—Jaws mounted on rollers, cylinders, drums, bands, belts or chains; Flying jaws flying jaws, e.g. jaws mounted on crank mechanisms or following a hand over hand movement cooperating flying jaws
    • 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
    • B29C66/849—Packaging machines
    • 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
    • B29C66/90—Measuring or controlling the joining process
    • B29C66/91—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux
    • B29C66/914—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by controlling or regulating the temperature, the heat or the thermal flux
    • B29C66/9161—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by controlling or regulating the temperature, the heat or the thermal flux by controlling or regulating the heat or the thermal flux, i.e. the heat flux
    • B29C66/91651—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by controlling or regulating the temperature, the heat or the thermal flux by controlling or regulating the heat or the thermal flux, i.e. the heat flux by controlling or regulating the heat generated by Joule heating or induction heating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B51/00—Devices for, or methods of, sealing or securing package folds or closures; Devices for gathering or twisting wrappers, or necks of bags
    • B65B51/10—Applying or generating heat or pressure or combinations thereof
    • B65B51/22—Applying or generating heat or pressure or combinations thereof by friction or ultrasonic or high-frequency electrical means, i.e. by friction or ultrasonic or induction welding
    • B65B51/227—Applying or generating heat or pressure or combinations thereof by friction or ultrasonic or high-frequency electrical means, i.e. by friction or ultrasonic or induction welding by induction welding
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B51/00—Devices for, or methods of, sealing or securing package folds or closures; Devices for gathering or twisting wrappers, or necks of bags
    • B65B51/10—Applying or generating heat or pressure or combinations thereof
    • B65B51/26—Devices specially adapted for producing transverse or longitudinal seams in webs or tubes
    • B65B51/30—Devices, e.g. jaws, for applying pressure and heat, e.g. for subdividing filled tubes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B61/00—Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages
    • B65B61/04—Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages for severing webs, or for separating joined packages
    • B65B61/06—Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages for severing webs, or for separating joined packages by cutting
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D1/00—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor
    • B26D1/01—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work
    • B26D1/04—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a linearly-movable cutting member
    • B26D1/06—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a linearly-movable cutting member wherein the cutting member reciprocates
    • B26D1/065—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a linearly-movable cutting member wherein the cutting member reciprocates for thin material, e.g. for sheets, strips or the like
    • 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
    • B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/71—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the composition of the plastics material of the parts to be joined
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2009/00—Layered products
    • B29L2009/003—Layered products comprising a metal layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/712—Containers; Packaging elements or accessories, Packages
    • B29L2031/7162—Boxes, cartons, cases
    • B29L2031/7166—Cartons of the fruit juice or milk type, i.e. containers of polygonal cross sections formed by folding blanks into a tubular body with end-closing or contents-supporting elements, e.g. gable type containers

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Composite Materials (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Package Closures (AREA)
  • Containers And Plastic Fillers For Packaging (AREA)

Abstract

[问题]一种包装机和包装方法，其可以防止切割器中的刀具在感应加热时具有不利影响，并且可以通过监控该刀具的故障和由于该故障所致的内含物的泄漏，来控制包装机/填充机。[解决问题的手段]该包装机包括用于使包装材料彼此密封的热封机和用于借助导电刀具来切割该包装材料的切割器，该包装机进一步设有检测装置和刀具监控器，该检测装置用于检测作为受监控相角的来自感应加热器的输出，该感应加热器产生施加给导电材料层的高频电流，该刀具监控器用于基于该测得的相角数据来监控切割器。

Description

包装机和包装方法
发明领域
本发明涉及用于由包装材料来制备纸容器的包装机，以及将诸如果汁和牛奶等流质食品包装和填充在纸容器中的包装方法。
发明背景
如图3和图4中所示，用于获得带有流质食品的纸容器的包装/填充设备制备卷材状包装材料1，该包装材料1具有热塑性材料密封层(诸如低密度聚乙烯)、导电材料(诸如铝箔)和纤维材料的支承材料(诸如层压纸)；使该包装材料1形成圆柱形，用以将流质食品填充在其内；用互相平行的两个密封夹钳2、2和互相平行的两个配对夹钳3、3从外侧夹持圆柱形包装材料，以便使之相互重合；通过将由感应加热器供给的高频电流从密封夹钳施加给导电材料，来加热和熔合热塑性材料密封层，同时下拉包装材料并且保持密封夹钳和配对夹钳；以预定的间隔使包装材料彼此密封，并且用刀具4以预定的间隔切割被密封的包装材料，以便将密封夹钳和配对夹钳与包装材料相分离，从而如图4中所示的那样分别向上返回；以及，然后获得向下坠落的容器5，并且折叠容器的翼片，以使容器形成最终的形状。
感应加热器包括高频电源和匹配器；例如，高频电源一次性将诸如三相200V的AC电源转换为DC电源，并且然后用元件(诸如电子管、闸流晶体管、MOSEFET和IGBT)产生具有100Hz到若干MHz频率范围的高频能量；而匹配器使高频电源中产生的高频能量匹配于感应加热线圈所需的电压和电流。在上述填充设备中，密封夹钳对应于感应加热器的线圈。
当通过使高频电流流入的线圈的密封夹钳中而产生的磁通量穿过卷材状包装材料层的非铝箔导电材料层的导电层时，在该导电层中感应出高频环流电流(涡电流)，该涡电流在该导电层内流动，以产生与其电阻成比例的热量。
已提出一种获得了成功密封带的装置，其中获得了优选的密封带，以便通过在上述密封装置的密封夹钳中提供凸起来切割该密封带。(参考专利文献1)
用于切割以预定间隔密封好的包装材料的切割器利用密封夹钳和配对夹钳热封且同时夹持该材料，并且然后通过线性移动或转动刀具来切割该包装材料(如图4中的箭头所示)。
专利文献1：日本专利公开HEI No.07-164523
待由本发明解决的问题
该现有技术如此构造，致配置成使得使切割器和感应加热器为了进行它们的操作而彼此关联。也就是说，在通过加热和冷却完成对材料的密封之后，立即用刀具进行切割。然而，当用由金属制成的导电刀具(此时该刀具靠近待密封的包装材料的导电材料层)进行感应加热时，由密封夹钳中产生的磁通量穿过导电刀具，因此干扰了感应加热的状态。从而，可能不能获得正确的密封。
并且，通过刀具推动器使刀具突出而保持在切割模式。随着刀具的突出，所产生的磁通量穿过刀具，这干扰了感应加热的输出，并且因此而可能提供有缺陷的密封。通过用突出的刀具切割包装材料，内含物可能从有缺陷的密封部位泄漏出。
本发明旨在提供这样的包装机和包装方法，其预先防止了切割器中的刀具所致的对感应加热器的不利影响，并且还监控了刀具的故障以及因故障所致的内含物泄漏，以控制包装/填充设备。
解决问题的手段
用于解决上述问题的本包装机包括热封机和切割器，其中，该热封机用于铺设长的包装材料(其中热塑性材料密封层、导电材料层和纤维材料支承层均层压在另一包装材料上面)，并且用于通过将高频电流从密封夹钳施加给导电材料层来加热和熔合热塑性材料密封层，而使包装材料以预定的间隔彼此密封；该切割器用于用刀具以预定的间隔切割被密封的包装材料；其中切割器的刀具是导电刀具，用于切割包装材料的被密封部分，而该刀具包括相角检测装置和刀具监控器，该相角检测装置用于检测作为受监控相角的来自感应加热器的输出，该感应加热器用于产生待施加给导电材料层的高频电流；该刀具监控器用于基于测得的相角数据来监控切割器。
本发明的包装方法包括步骤：铺设长的包装材料(其中热塑性材料密封层、导电材料层和纤维材料支承层均层压在另一包装材料上面)；通过从密封夹钳施加高频电流给导电材料层，来加热和熔合热塑性材料密封层，以便用热封机以预定的间隔使包装材料彼此密封；以及以预定的间隔使包装材料彼此密封，并且用切割器的刀具以预定的间隔切割包装材料；该方法此外还包括步骤：用切割器的导电刀具切割包装材料的被密封部分；检测作为受监控相角的来自感应加热器的输出，该感应加热器用于产生待施加给导电材料层的高频电流；以及用刀具监控器基于测得的相角数据来监控切割器。
发明效果
本发明因为如下所述的动作和操作而提供了有利的效果。
制备卷材状包装材料，其中，将例如聚乙烯、聚丙烯和聚酯那样的材料制成的热塑性材料密封层、由铝箔等制成的导电材料层、由如纸那样的材料制成的纤维材料支承层以及优选还有热塑性外层层压在一起。该包装材料被加工成管形，其中流质食品被填充在该管内，而管状包装材料彼此叠置，用密封夹钳和配对夹钳从外侧夹持该管状包装材料。然后，用密封夹钳和配对夹钳夹持该包装材料，下拉该包装材料。
当通过使感应加热器的高频电流流到线圈状密封夹钳而产生的磁通量穿过由卷材状包装材料中的铝箔制成的导电材料层时，就感应出高频涡电流，从而与导电材料的电阻成比例地产生了热量。当导电材料层被加热时，热塑性材料密封层被加热且熔合。在该加热步骤中，来自用于产生待施加给导电材料层的高频电流的感应加热器的输出，被作为由相角检测装置监控的相角来受到检测。
输出(诸如来自感应加热器的输出功率和输出电流)作为被监控的数据不会出现较大波动，而且不出现刀具的位置故障。出乎意料地，当从密封夹钳产生的磁通量穿过导电刀具时，相角响应于在感应加热中的变化而显著地变化。
在本发明中，切割器通过刀具监控器基于测得的相角的数据进行监控。也就是说，当相角数据异常时，可以暂时停止包装机的操作，并且警告操作者产生了异常状况。
当相角数据不是异常的时，包装材料以预定的间隔彼此密封，而切割器用刀具以预定的间隔切割密封的包装材料，以提供容器，并且容器的翼片部分被折叠起来，以将容器加工成最终形状。
实施本发明的最佳模式
以下参考相关附图详细介绍本发明的实施例。
图3是包装和填充系统的一般简图，其中可以使用根据本发明的包装机和包装方法。
在该实施例中，卷材状包装材料1从卷材状材料的卷盘1a供应出来，该卷材状材料加工成管形，而诸如流质食品的内含物从填充管31填充到该管状包装材料1b内。
用密封夹钳2和配对夹钳3(未示出)从外侧夹持包装材料，并且包装材料1的两个边缘被彼此叠置，并用感应加热器通过加热和熔合热塑性材料密封层而以预定的间隔彼此密封。然后，用刀具4切割管状包装材料1，以获得容器5，并且如有必要，对容器的平直部分进行折叠，以将容器加工成最终形状。
图1是概括性截面图，其显示了包装和填充系统的一个实施例中的感应加热器和切割器，其中可以使用根据本发明的包装机和包装方法。
在该实施例中，管状包装材料1的两个边缘由两个平行的密封夹钳2、2和两个平行的配对夹钳3、3夹持，并且彼此叠置。然后，高频的磁通量由密封夹钳产生，以加热包装材料1中的导电材料层，从而加热和熔合热塑性材料密封层。然后，用刀具4沿着两个已密封段来切割包装材料1。
图2是概括性截面图，其显示了包装和填充系统的一个实施例中的感应加热器和切割器的操作，其中，可以使用本发明的包装机和包装方法。
在该实施例中，用各自设置成彼此平行的密封夹钳2、2和配对夹钳3、3从外侧夹持管状包装材料，而将管状包装材料1的两个边缘彼此叠置起来。然后，由感应加热器21从密封夹钳2、2产生高频磁场20a、20b，以加热包装材料1的导电材料层，热塑性材料密封层因此被加热和熔合。
在图2中，刀具4在上半部的位置不同于在下半部的位置。图2的上半部显示了其中刀具4处于正常位置的状况，也就是其中在进行感应加热时刀具被收回并且不在靠近包装材料的位置处的状况。另一方面，该图的下半部显示了其中刀具处于异常位置的状况，也就是其中在进行感应加热时、由于刀具驱动器的故障或某些其它原因而使刀具仍保持在用于切割包装材料的位置的状况。
参考图2的上半部和下半部中显示的操作状况，来更具体地介绍本发明。
在图2的上半部中显示的状况下，感应加热器21施加高频能量给具有线圈形状的密封夹钳2a。然后高频电流流入密封夹钳2a，而产生了磁场20a。该磁场20a穿过卷材状包装材料中的铝箔导电层，以感应出涡电流，而该涡电流产生了热量。
相反，在图2的下半部中显示的状况下，感应加热器21施加高频能量给具有线圈形状的密封夹钳2b。然后，高频电流流入密封夹钳2b，而产生了磁场20b。然而，因为导电刀具4处于包装材料附近，磁场也覆盖了刀具4，因此磁场的分布、强度和其它参数均不同于正常状况下的那些参数。应注意的是，图2的上半部和下半部中所分别显示的磁场20a和20b是以简化形式进行显示的，并且该显示的形式不同于实际形式。
在整个感应加热期间，刀具4的存在于关闭位置的影响显著地表现为来自感应加热器21和高频电流的高频能量的相角的波动。该波动由相角检测器22检测，并且作为相角受到监控。
在该实施例中，基于测得的相角数据对刀具是否处于正常位置进行测定，而由刀具监控器(未示出)来监控切割器。也就是说，当相角数据异常时，可以采取例如暂时停止包装机的操作或将异常状况报警给操作者这样的动作。
如以上所述，本发明使以下情形成为可能：在整个感应加热期间，防止了切割器的刀具的负面影响，并且还通过监控刀具的任何故障或由于该故障所致的内含物的泄漏，来精确地控制包装和填充机。
本发明不限于以上介绍的实施例，并且可能引入在本发明要点内的各种变型和变更。也就是说，这些变型和变更均属于本发明的范围内。
产业用途的适用性
根据本发明的包装机和包装方法可以用于通过包装材料来制备纸容器，并且将诸如果汁或牛奶等流质食品填充在该纸容器中。
附图简介
图1是本发明可适用于其中的包装和填充系统的一个实施例中的感应加热器和切割器的示意性截面图；
图2是示意性截面图，其显示了本发明可适用于其中的包装和填充系统的实施例中的感应加热器和切割器的操作；
图3是本发明可适用于其中的包装和填充系统的实施例的示意图；以及
图4是包装和填充系统的实施例中的感应加热器和切割器的示意性截面图。
标号说明
1：包装材料
2：密封夹钳
3：配对夹钳
4：刀具

Claims (2)

1.一种包装机，包括：
热封机，其用于铺设长的包装材料，其中，热塑性材料密封层、导电材料层和纤维材料支承层被层压在另一包装材料上面，并且用于通过将高频电流从密封夹钳施加给所述导电材料层来加热和熔合所述热塑性材料密封层，从而使所述包装材料以预定的间隔彼此密封；以及
切割器，其用于用刀具以所述预定的间隔来切割所述被密封的包装材料；
其中，所述切割器的所述刀具是用于切割所述包装材料的被密封部分的导电刀具，并且所述刀具包括：
相角检测装置，其用于检测作为受监控相角的来自感应加热器的输出，所述感应加热器用于产生待施加给所述导电材料层的高频电流；和
刀具监控器，其用于基于所述测得的相角数据来监控所述切割器。
2.一种包装方法，包括步骤：
铺设长的包装材料，其中，热塑性材料密封层、导电材料层和纤维材料支承层被层压在另一包装材料上面；
通过从密封夹钳施加高频电流给所述导电材料层来加热和熔合所述热塑性材料密封层，以便以预定的间隔使所述包装材料彼此密封；以及
用切割器的刀具以所述预定的间隔来切割所述被密封的包装材料；
所述方法此外还包括步骤：
用所述切割器的导电刀具来切割所述包装材料的被密封部分；
检测作为受监控相角的来自感应加热器的输出，所述感应加热器用于产生待施加给所述导电材料层的高频电流；以及
用刀具监控器基于所述测得的相角数据来监控所述切割器。
CNA2005800421071A 2004-12-10 2005-09-27 包装机和包装方法 Pending CN101072709A (zh)

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JP3599418B2 (ja) * 1995-04-18 2004-12-08 株式会社常盤産業 帯状包装体の製造装置
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US6167681B1 (en) * 1996-01-30 2001-01-02 Tetra Laval Holdings & Finance S.A. Sealing apparatus
JP2921509B2 (ja) * 1996-09-30 1999-07-19 日本精機株式会社 充填包装袋の自動切断装置
DK0887269T3 (da) * 1997-06-27 2004-02-16 Tetra Laval Holdings & Finance Emballeringsenhed til kontinuerlig fremstilling af forseglede emballager, der indeholder hældbare fødevarer, og en fremgangsmåde til overvågning af en forseglingsfunktion udført på emballeringsenheden
ATE255035T1 (de) * 1998-04-15 2003-12-15 Tetra Laval Holdings & Finance Verfahren zum überwachen der querschweissungen in einer verpackungseinheit zum kontinuierlichen formen von verpackungen mit flüssigen nahrungsmitteln sowie verpackungseinheit
JP2000309312A (ja) * 1999-02-22 2000-11-07 Tsutsumi Yotaro 包装品
ITTO20030238A1 (it) * 2003-03-28 2004-09-29 Tetra Laval Holdings & Finance Dispositivo e metodo di saldatura ad induzione utilizzabile

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102963566A (zh) * 2012-11-22 2013-03-13 金红叶纸业集团有限公司 包装机及其横封装置和横封方法
CN102963566B (zh) * 2012-11-22 2014-12-17 金红叶纸业集团有限公司 包装机及其横封装置和横封方法

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EP1820732A1 (en) 2007-08-22
JPWO2006061939A1 (ja) 2008-06-05
EP1820732A4 (en) 2008-12-03
US20080092492A1 (en) 2008-04-24
BRPI0518514A2 (pt) 2008-11-25
WO2006061939A1 (ja) 2006-06-15

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