CN1257000A - 紧固和熔融粘结带子的工具 - Google Patents

紧固和熔融粘结带子的工具 Download PDF

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CN1257000A
CN1257000A CN99124778A CN99124778A CN1257000A CN 1257000 A CN1257000 A CN 1257000A CN 99124778 A CN99124778 A CN 99124778A CN 99124778 A CN99124778 A CN 99124778A CN 1257000 A CN1257000 A CN 1257000A
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fluid
fastening
fluid pressure
pressure
instrument
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CN1188267C (zh
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原田弘
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STEEL PLATE INDUSTRY Co Ltd
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STEEL PLATE INDUSTRY Co Ltd
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B43/00—Operations specially adapted for layered products and not otherwise provided for, e.g. repairing; Apparatus therefor
    • 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
    • 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
    • B29C65/06—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using friction, e.g. spin welding
    • 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
    • B29C66/432—Joining a relatively small portion of the surface of said articles for making tubular articles or closed loops, e.g. by joining several sheets ; for making hollow articles or hollow preforms
    • B29C66/4322—Joining a relatively small portion of the surface of said articles for making tubular articles or closed loops, e.g. by joining several sheets ; for making hollow articles or hollow preforms by joining a single sheet to itself
    • 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
    • B29C66/432—Joining a relatively small portion of the surface of said articles for making tubular articles or closed loops, e.g. by joining several sheets ; for making hollow articles or hollow preforms
    • B29C66/4324—Joining a relatively small portion of the surface of said articles for making tubular articles or closed loops, e.g. by joining several sheets ; for making hollow articles or hollow preforms for making closed loops, e.g. belts
    • 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
    • B29C66/49—Internally supporting the, e.g. tubular, article during joining
    • 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
    • B29C66/73—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 intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset
    • B29C66/731—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 intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the intensive physical properties of the material of the parts to be joined
    • B29C66/7316—Surface properties
    • B29C66/73161—Roughness or rugosity
    • 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
    • B29C66/81433—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 being toothed, i.e. comprising several teeth or pins, or being patterned
    • B29C66/81435—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 being toothed, i.e. comprising several teeth or pins, or being patterned comprising several parallel ridges, e.g. for crimping
    • 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
    • B29C66/82—Pressure application arrangements, e.g. transmission or actuating mechanisms for joining tools or clamps
    • B29C66/822—Transmission mechanisms
    • B29C66/8221—Scissor or lever mechanisms, i.e. involving a pivot point
    • 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
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B13/00—Bundling articles
    • B65B13/18—Details of, or auxiliary devices used in, bundling machines or bundling tools
    • B65B13/185—Details of tools
    • B65B13/187—Motor means
    • B65B13/188—Motor means pneumatic or hydraulic
    • 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
    • B65B13/00—Bundling articles
    • B65B13/18—Details of, or auxiliary devices used in, bundling machines or bundling tools
    • B65B13/24—Securing ends of binding material
    • B65B13/32—Securing ends of binding material by welding, soldering, or heat-sealing; by applying adhesive
    • B65B13/327—Hand tools
    • 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
    • B29C66/70—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
    • 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
    • B29C66/861—Hand-held tools
    • 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
    • B29L2031/727—Fastening elements
    • B29L2031/7276—Straps or the like

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Basic Packing Technique (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)
  • Pressure Welding/Diffusion-Bonding (AREA)

Abstract

一种紧固和熔融粘结带子的工具,重量轻,可用一只手完成一系列操作,即用动力(流体压力)替代手动操作紧固、加压和摩擦地熔融粘结带子,该工具能够在一宽的范围中高精度地方便地调节摩擦熔融粘结的时间,能够使工人保持高效率无疲劳地连续工作。紧固和熔融粘结带子的工具包括一具有一可逆马达的紧固辊的装置、对用于摩擦的振动器加压的一装置和一能够在一宽范围中精确地调节驱动振动器的时间的定时机构,它们完全设置成一整体结构。

Description

紧固和熔融粘结带子的工具
本发明涉及一种紧固和熔融粘结带子的工具。尤其涉及一种紧固和熔融粘结带子的工具，这种工具重量轻，由于省略了人工操作，显著提高了工作效率，这种工具配备有能方便地调节、以确定一预定的摩擦时间的定时结构，从而为带子建立合适的熔融粘结条件。
迄今为止，已提出了各种将由诸如聚丙烯(PP)、聚乙烯对苯二酸盐(PET)或聚酰胺树脂的热塑材料制成的带子缠绕在一包装物上的工具，由此形成一宽松的带子，然后用一滚花的滚筒紧固该带子，形成紧固带，该带的重叠部分在一压力作用下摩擦在一起，这些工具在市场上有售。在这些工具中，例如，由Signode公司申请的已审查的日本专利公开(kokoku)29644/1995(USP 5169480)已公开了最新的型号。为了减少重量，这种工具只有一个用于紧固宽松带子和驱动振动器以摩擦带子重叠部分的液压马达，通过用一手动杆、一凸轮和一离合器来机械改变液压马达。
但在这种工具中，用手操作手动杆将滚花滚筒或振动器的压力施加到带子重叠部分，并割断带子的多余部分。因此，工具要用两个手来操作，使工作效率下降，工人操作疲劳，难于继续延长工作时间。
上述的日本已审查的专利公开(Kokoku)29644/1995采用一流体(气动)型定时结构来限制公开在日本已审查专利公开(Kokoku)45360/1969和46880/1974以及由本申请的申请人以前申请的USP3654033中的摩擦时间，似乎已达到效果，但是，对应地具有诸如控制摩擦时间的范围狭窄和由于结构上的原因难以控制操作的诸等问题。
因此，为了改进这些问题，本发明者促进了有关加压紧固辊和使紧固辊前后转动的缸体的研制，在付出努力的同时，进一步专有地采用了一用于振动器的流体压力马达，改进了定时机构，这样不会增加重量，获得了一种本发明所期待的很容易操作的工具。
本发明的目的是提供一种紧固和熔融粘结带子的工具，这种工具重量轻，容易操作，使工人极少疲劳，在延长的工作时间中也能继续工作。
本发明的另一目的是提供一种紧固和熔融粘结带子的工具，这种工具在带子紧固之后能够切割带子的多余部分，并能够通过施加由流体压力操作而极少人工操作所产生的压力来摩擦地熔融粘结带子的重叠部分，还能够在带子紧固之后使工具容易与带子分离。
本发明的再一个目的是提供一种紧固和熔融粘结带子的工具，这种工具装有能够在一宽的范围中容易地调节带子重叠部分的摩擦时间的定时机构。
根据本发明，提供：
一紧固和熔融粘结带子的工具，有了这种工具，用放置在带子重叠部分的紧固辊紧固围绕在包装物周围的松弛带子，以形成一紧固带，用一切割装置割断和取下多余的带子，将一摩擦力施加到带子重叠部分，以熔融粘结带子，其中，提供一种加压紧固辊的气压缸，一使所示紧固辊正反转动的第一流体压力马达，对将摩擦力提供给带子重叠部分的振动器进行加压的一流体压力缸，和一驱动所述振动器的第二流体压力马达(权利要求1)；
一如权利要求1所述的紧固和熔融粘结带子的工具，其中，提供一种能够调节将加压流体送到第二流体压力马达的时间的定时机构(权利要求2)；
一如权利要求2所述的紧固和熔融粘结带子的工具，其中，定时机构根据流体压力工作(权利要求3)；
一如权利要求2或3所述的紧固和熔融粘结带子的工具，其中，流体压力定时机构是可变背压型的、可变容积型的、或以两个组合为基础的可变背压/容积型的流体压力定时机构(权利要求4)；
一如权利要求2至4中的任何一项所述的紧固和熔融粘结带子的工具，其中，流体压力定时机构是可变背压型的流体压力定时机构，其中从一主加压流体线路中分支的至少一个流体积聚腔有一个用于释放流体背压的可变背压阀，所述流体压力定时机构还装有一根据储存在流体积聚腔中的流体压力将流到第二流体压力马达的主加压流体线路截止的截止阀(权利要求5)；以及
一如权利要求2至5中的任何一项所述的紧固和熔融粘结带子的工具，其中，流体压力定时机构是可变容积型的流体压力定时机构，其中从主加压流体线路中分支的至少一个流体积聚腔是一由从外侧直接驱动的螺杆移动的活塞和一圆柱型流体积聚腔构成的可变容积型的，所述流体压力定时机构还装有一根据储存在流体积聚腔中的流体压力关闭流到第二流体压力马达的主加压流体线路的截止阀(权利要求6)。
图1是一示出实施例右侧的视图；
图2是一示出实施例的平面图；
图3是一示出实施例左侧的视图；
图4是一示出实施例的主视图；
图5是一示意性地示出紧固带子的视图；
图6是一示出驱动紧固辊的第一气动马达和机构的剖视图；
图7是一沿图6的线D-D截取的剖视图；
图8是一沿图3的线E-E截取的剖视图；
图9是一沿被压之前的图2的线A-A截取的剖视图；
图10是一沿被压之后的图2的线A-A截取的剖视图；
图11是一沿被压之前的图2的线B-B截取的剖视图；
图12是一沿被压之后的图2的线B-B截取的剖视图；
图13是一沿图2的线C-C截取的剖视图(实施例1)；
图14是图13的线路图(实施例1)；
图15是沿图2的线C-C截取的剖视图(实施例2)；
图16是图2的线路图(实施例2)；
图17是一沿图2的线C-C截取的剖视图(实施例3)；
图18是图17的线路图(实施例3)，以及
图19是本发明一实施例的总的基本线路的示意图。
下面通过实施例详细地描述本发明。
图1是一示出实施例右侧的视图，图2是一示出本发明所提出的实施例平面图，图3是一示出实施例的左侧的视图，图4是一示出实施例的主视图，图5是一示意性地示出紧固带子的视图，图6是一示出驱动紧固辊的第一气动马达和机构的剖视图，图7是一沿图6的线D-D截取的剖视图，图8是一沿图3的线E-E截取的剖视图，图9是一沿被压之前的图2的线A-A截取的剖视图，图10是一沿被压之后的图2的线A-A截取的剖视图，图11是一沿被压之前的图2的线B-B截取的剖视图，图12是一沿被压之后的图2的线B-B截取的剖视图，图13是一沿图2的线C-C截取的剖视图(实施例1)，图14是图13的线路图(实施例1)，图15是沿图2的线C-C截取的剖视图(实施例2)，图16是图2的线路图(实施例2)，图17是一沿图2的线C-C截取的剖视图(实施例3)，图18是图17的线路图(实施例3)，以及图19是本发明一实施例的总的基本线路的示意图。
在图1至19中，标号1表示一个实施例，标号2表示一紧固辊，标号2A表示一紧固辊驱动轴，标号2B表示一球轴承，标号2C表示一螺旋从动齿轮，标号3表示一正转和反转(用于紧固或释放带子)的第一气动马达，标号3A表示一转子，标号3B表示叶片，标号3C表示一有孔的缸体，3D表示一球轴承，3E表示一滚针轴承，3F表示一行星减速齿轮，3G表示一螺旋小齿轮，3H表示一小齿轮轴，4表示一振动器，4A表示一垂直细长孔，4B表示一水平细长孔，4C表示振动器的一滚花表面，5表示一第二气动马达(驱动振动器)，5A表示一转子，5B表示叶片，5C表示第二气动马达的一偏心输出轴，5D表示一球轴承，5E表示一排气口，6表示一外壳，7表示一基板(轴承架)，7A和7B表示台阶，8表示为振动器和切割装置加压的气缸，8A表示一活塞，8B表示一复位弹簧，8C表示一O形圈，9表示一振动阀，9A表示一振动阀杆，9B表示一尼龙球，9C表示一阀座，9D表示一螺旋弹簧，9E表示一空气输入口，9F表示一空气供应管A，9G表示一空气供应管B，9H表示一空气供应管C，9I表示气腔中的一空气管，9J表示空气通道，10表示加压紧固辊的气缸，10A表示一活塞，10B表示一活塞杆，10C表示一O形圈，11表示一用于紧固的阀，11A表示一用于紧固的阀杆，12表示一悬构件(hunger)(摆动臂)，12A表示一悬构件销，12C表示一螺旋弹簧，13表示一切割装置销，13A表示一切割装置，13B表示一球轴承，13C表示一固定的切割装置，14表示一枢销，14A表示一滚针轴承，15表示一齿轮箱，16表示一释放阀，16A表示一释放销，21表示一回动阀，21A表示一回动杆，22和23表示软管，22A和22B表示气流通道，24表示一排气通道，26表示一节流阀，30表示一把手，70表示一气压源，100表示一定时机构(可变背压型的)，101表示一小孔，101A表示一小孔螺钉，102表示一空气积聚腔，103表示一针阀，103A表示一排气口，104表示一驱动截止阀的气缸，105表示一复位弹簧，106表示一截止阀，106A表示一截止阀的阀座，200表示一定时装置(可变容积型的)，201表示一针阀(用于调节小孔)，202表示一空气积聚腔，203表示可变容积型的空气积聚腔，203A表示一螺纹拧入的活塞(用于改变容积)，204表示一驱动截止阀的缸体，205表示一复位弹簧，206表示一截止阀，206A表示一截止阀阀座，300表示一定时装置(可变背压/容积型的)，301表示一小孔，302表示一空气积聚腔，302A表示一排气针阀(用于改变背压)，302B表示一排气口，303表示一可变容积型的空气积聚腔，303A表示一螺纹拧入的活塞(用于改变容积)，304表示一驱动截止阀的缸体，305表示一复位弹簧，306表示一截止阀，306A表示一截止阀的阀座，以及500表示一包装。
首先参阅图1至4，实施例主要由一带子紧固/释放机构号1和一带子加压/熔融粘结机构号2所构成，它们靠一悬构件销12a可枢转，其横截面呈横躺的V形。机构号1主要由一第一气动马达3、减速齿轮3F和15以及一紧固辊2所构成。机构号2主要由一第二气动马达5、振动器4、一基板7、一气缸8、一定时机构100/200/300、一手柄30和多个通过外壳6连接在一起的阀所构成。
一螺旋弹簧12C安装于一悬构件销12A上，悬构件销12A是一沿宽度方向延伸的以可枢转地连接机构号1和号2的水平轴，由此，以悬构件销12A作为一轴线朝向增加角度的方向略为推动这两个机构。希望螺旋弹簧朝向从初始紧固的角度看降低角度的方向来产生一大的驱动力。但是，当一带子要被***时，手上需要一大的力抵抗推力来增加角度，使装配也困难。因此，就操作而言，希望产生一小的推力。所以，为了补偿这一点，设置一为紧固辊加压的气缸10(见图19)，以便根据第一气动马达的气压同时工作。
在与基板7端部的工作表面直角相交的垂直壁中，用一悬构件销12A作为中心打一为部分拱形的细长孔，以允许紧固辊2的驱动轴2A运动，由此允许紧固辊2与基板7之间可接近和分离。
借助由机构号1的重量产生的转动力矩来手动放大两机构号1和2的角度，由此将带子的重叠部分插在基板7与紧固辊2之间。当工人释放他的手时，上部带子ST由滚花紧固辊2在上表面上加压，使其接合。同时，下部带子SB由滚花台阶7A在下表面上加压，使其接合(见图5)。这里，带子ST与带子SB之间的摩擦系数小于带子于紧固辊2和台阶7A的滚花表面之间的摩擦系数。因此，用受压接合完成初始紧固。
紧固辊2和可枢转地支承紧固辊2的悬构件12形成一如图19左上部所示的楔形摆动臂。当悬构件12倾斜θ，直至一垂直位置，紧固辊2的反作用扭矩T与总压力W之间建立如下的关系，即T/W＝tanθ，或W＝T/tanθ。
下面描述机构号1。
空气从气压源70供应到输入口71，并导向至一紧固阀11和一振动阀。首先，紧固阀杆11A被压下开始工作，空气通过软管22和空气通道22A和22B供应到一第一马达3，使转子3A沿图7中所示的箭头T的方向(紧固方向，即顺时针方向)旋转。旋转力通过行星减速齿轮3F传递到一螺旋小齿轮3G，由此，沿图6中的方向T(逆时针方向)驱动一与之啮合的螺旋从动齿轮2C，使得压上部带子ST的紧固辊2如上所述沿方向T(见图5)被驱动。同时，来自于紧固阀11的空气通过空气通道被送到一缸体10中，以对紧固辊加压，由此如上所述补偿紧固辊2的加压力。供应到第一气动马达3的空气量通过节流阀26调整，由此增加或减少紧固力。第一气动马达3沿方向T旋转，以将所需的紧固力给予带子ST，然后停转。保持这种状态直到由下面将要描述的摩擦完成熔融粘结操作。
下面描述构件号2。
现在已经了解了切割带子和通过摩擦熔融粘结带子的机构。下面将结合图9至12描述本发明的一个实施例。
在本发明中，有一个特征是一振动器构件4通过一枢销14连接于振动器和气缸8，以对切割装置加压，割断带子ST的多余部分，用动力(压缩空气)替代迄今为止都是用手完成的移动一手柄，在最佳压力和摩擦时间的条件下，将带子ST、SB通过摩擦熔融粘结在一起。
首先，用多个螺栓将外壳6的下端紧固到基板7。气缸8设置在外壳6的上端，一定时机构与之相邻。一诸如振动器的振动机构设置在气缸8的下部，一用于振动的第二气动马达5设置在定时机构的下部。
当杆11A被压下时，紧固辊2仍然保持不动。然后，当杆9A保持下压时，空气驱动加压缸8和振动器的第二气动马达5，并进一步流到定时机构100/200/300中的空气积聚腔中，积聚在其中。图9和11示出了阀9被打开之前的状态，其中活塞8A和振动器4处在被一复位弹簧8B推到的顶部死心位置。
其次，图10和12示出了阀9被打开的状态，空气流入气缸8，从活塞8A的上侧对活塞8A加压，并克服复位弹簧8B的阻力朝下推动活塞8A。活塞8A往下降时，振动器4也下降，由此，与切割装置销13啮合的切割装置13A下降，切割装置销13插在振动器4的水平细长孔4B中。切割装置13A的刀片开始与已放置在一不动的切割装置13C上的带子ST接触由此切割带子ST。此外，振动器的一下部滚花表面4C朝下推被切割的带子的左侧部，使得它被重叠和压到已放置在台阶7B上的带子SB上。
一被割下的另外的带子ST(在图10的右侧)保持在固定切割装置13C上，而且很容易取下。第二气动马达5刚好在该位置之前转动，振动器4由于安装到振动器4的垂直细长孔4A和球轴承5F的第二气动马达的偏心轴5C而左右摆动。因此，带子ST沿在被台阶7B紧固的带子SB上的带子宽度方向高速振动，如图12所示的右和左方向的摩擦运动在由定时机构100/200/300确定的期间中在带子ST与SB之间继续进行。
下面将详细描述定时机构。
图13和14剖视图，它们分别示出了实施例1(可变背压(back pressure)类型)的定时机构100的主要部分，和其线路图。
在图13所示的实施例中，当一尼龙球9B随着杆9A的下压而下压时，一间隙相对于阀座9C而形成，由此，空气输入口9E中的气压经过空气供应管9F去推一截止阀106。通常，截止阀106被一弱复位弹簧105推向左侧而保持打开。因此，空气经过一空气供应管9H驱动第二驱动马达5并进入排气口5E。被供应的空气的一部分流过一小孔101并积聚在一空气积聚腔102中。当达到一预定压力时，空气经过空气通道9J流入截止阀106的相对侧去关闭截止阀。截止阀106由于空气压力通过小孔101连续提供而保持关闭，直到下一次操作开始。在这个过程中，经有一针阀103调节的排气口103A释放的部分背压来调节空气积聚腔102中的背压，以便最后调节驱动第二气动马达5的时间。即，定时机构100作为一调节带子ST、SB的摩擦/熔融粘结时间的机构工作。
图15是一剖视图，它示出了一实施例2的主要部分(可变容积型的)，图16是其线路图。在该实施例中，针阀201形成类似实施例1中的固定小孔。杆9A下压以打开线路，空气供应到第二气动马达5并积聚在平行设置的空气积聚腔202和203中，同时藉助摩擦的熔融粘结正对带子ST、SB起作用。此处，一个空气积聚腔203的左端由一螺纹拧入的活塞(螺旋闭合)所形成，使容积可变。
因此，这个实施例可以通过转动针阀201和/或从外侧螺纹拧入的活塞调节空气流入量或空气积聚量。这里，螺纹拧入活塞可由一螺杆和一装配到该螺杆并花键安装到缸体内壁的活塞构成。
下面描述实施例3(可变背压/容积型的)。
图17是一剖视图，它示出了实施例的主要部分，图18是其线路图。在图17和18所示的实施例中，可变背压型的空气积聚腔302和可变容积型的空气积聚腔303平行设置，并通过一空气管9I串联在一起。这样就可以在一较宽的范围中调节驱动第二马达5的时间。此外，当采用一为如同实施例2中的针阀作固定小孔301时，调节范围可增加到更宽。
图19是本发明一实施例的总的基本线路图。
第二气动马达5自动进入停止状态之后，再经过一段时间(1至3秒钟)之后，使得由于摩擦热量而熔融的带子完全粘结在一起，工人轻轻地抓住第一气动马达3的右端并用其小手指(图1)压下回动阀21的杆21A。然后，空气由一细长空气供应孔23B返回到图7中所示的第一气动马达3的有孔缸体3C中，第一气动马达3的转子3A反转(方向R)。同时，空气供应管24中没有空气进入，没有压力施加在为紧固辊加压的气缸10内的活塞10A上。
其结果，悬构件15沿图10的逆时针方向转动，一悬构件12倾斜和返回，使紧固辊2与基板7分离。当悬构件12上升时，向上推释放销16A，使得释放阀16打开。因此，振动器4在复位弹簧8B的驱使下上升，从而释放带子ST、SB。因此，熔融粘结的带子很容易取出。这样，一系列的操作结束。
上述的目的由本发明的实施例全部完成。
也就是说，提供了一紧固和熔融粘结带子的工具，这种工具能够在一宽的范围中调节摩擦地熔融粘结带子的时间，其精度高于已有技术，这种工具重量轻，从而用一只手就能进行高效操作，并能延长工作时间。

Claims (6)

1.一紧固和熔融粘结带子的工具，在这种工具中，用一放置在带子重叠部分的紧固辊紧固围绕在包装物周围的松弛带子，以形成一紧固带，用一切割装置割断和取下多余的带子，将一摩擦力施加到带子重叠部分，以熔融粘结带子，其中，提供一种对紧固辊加压的气压缸，一使所述紧固辊正反转动的第一流体压力马达，对将摩擦力提供给带子重叠部分的振动器加压的一流体压力缸，和一驱动所述振动器的第二流体压力马达。
2.一如权利要求1所述的紧固和熔融粘结带子的工具，其特征在于，提供一种能够调节将加压流体送到第二流体压力马达的时间的定时机构。
3.一如权利要求2所述的紧固和熔融粘结带子的工具，其特征在于，定时机构根据流体压力工作。
4.一如权利要求2或3所述的紧固和熔融粘结带子的工具，其特征在于，流体压力定时机构是可变背压型的、可变容积型的、或以两个组合为基础的可变背压/容积型的流体压力定时机构。
5.一如权利要求2至4中的任何一项所述的紧固和熔融粘结带子的工具，其特征在于，流体压力定时机构是可变背压型的流体压力定时机构，其中从一主加压流体线路中分支的至少一个流体积聚腔有一个用于释放流体背压的可变背压阀，所述流体压力定时机构还装有一根据储存在流体积聚腔中的流体压力将流到第二流体压力马达的主加压流体线路关闭的截止阀。
6.一如权利要求2至5中的任何一项所述的紧固和熔融粘结带子的工具，其特征在于，流体压力定时机构是可变容积型的流体压力定时机构，其中从主加压流体线路中分支的至少一个流体积聚腔是一从外侧直接驱动的螺杆所移动的活塞和一圆柱型流体积聚腔构成的可变容积型的，所述流体压力定时机构还装有一根据储存在流体积聚腔中的流体压力关闭流到第二流体压力马达的主加压流体线路的截止阀。
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KR100401689B1 (ko) 2003-10-17
KR20000048022A (ko) 2000-07-25
JP2000168720A (ja) 2000-06-20
JP3242081B2 (ja) 2001-12-25
TW438675B (en) 2001-06-07
EP1008520B1 (en) 2001-11-14
DE69900459T2 (de) 2002-05-23
US6338375B1 (en) 2002-01-15
EP1008520A1 (en) 2000-06-14

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