CN102036806B - 头部焊接装置 - Google Patents

头部焊接装置 Download PDF

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CN102036806B
CN102036806B CN200980118893.7A CN200980118893A CN102036806B CN 102036806 B CN102036806 B CN 102036806B CN 200980118893 A CN200980118893 A CN 200980118893A CN 102036806 B CN102036806 B CN 102036806B
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CN102036806A (zh
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M·I·欣科夫
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STS Pack Holding Ltd
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STS Pack Holding Ltd
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B13/00—Conditioning or physical treatment of the material to be shaped
    • B29B13/02—Conditioning or physical treatment of the material to be shaped by heating
    • B29B13/023—Half-products, e.g. films, plates
    • B29B13/024—Hollow bodies, e.g. tubes or profiles
    • B29B13/025—Tube ends
    • 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
    • B29C65/10—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
    • 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
    • B29C65/56—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using mechanical means or mechanical connections, e.g. form-fits
    • B29C65/567—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using mechanical means or mechanical connections, e.g. form-fits using a tamping or a swaging operation, i.e. at least partially deforming the edge or the rim of a first part to be joined to clamp a second part to be joined
    • B29C65/568—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using mechanical means or mechanical connections, e.g. form-fits using a tamping or a swaging operation, i.e. at least partially deforming the edge or the rim of a first part to be joined to clamp a second part to be joined using a swaging operation, i.e. totally deforming the edge or the rim of a first part to be joined to clamp a second part 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
    • B29C66/01—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
    • B29C66/12—Joint cross-sections combining only two joint-segments; Tongue and groove joints; Tenon and mortise joints; Stepped joint cross-sections
    • B29C66/122—Joint cross-sections combining only two joint-segments, i.e. one of the parts to be joined comprising only two joint-segments in the joint cross-section
    • B29C66/1222—Joint cross-sections combining only two joint-segments, i.e. one of the parts to be joined comprising only two joint-segments in the joint cross-section comprising at least a lapped joint-segment
    • 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
    • B29C66/12—Joint cross-sections combining only two joint-segments; Tongue and groove joints; Tenon and mortise joints; Stepped joint cross-sections
    • B29C66/122—Joint cross-sections combining only two joint-segments, i.e. one of the parts to be joined comprising only two joint-segments in the joint cross-section
    • B29C66/1226—Joint cross-sections combining only two joint-segments, i.e. one of the parts to be joined comprising only two joint-segments in the joint cross-section comprising at least one bevelled joint-segment
    • 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
    • B29C66/13—Single flanged joints; Fin-type joints; Single hem joints; Edge joints; Interpenetrating fingered joints; Other specific particular designs of joint cross-sections not provided for in groups B29C66/11 - B29C66/12
    • B29C66/131—Single flanged joints, i.e. one of the parts to be joined being rigid and flanged in the joint area
    • B29C66/1312—Single flange to flange joints, the parts to be joined being rigid
    • 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
    • B29C66/348—Avoiding melting or weakening of the zone directly next to the joint area, e.g. by cooling
    • 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
    • B29C66/50—General aspects of joining tubular articles; General aspects of joining long products, i.e. bars or profiled elements; General aspects of joining single elements to tubular articles, hollow articles or bars; General aspects of joining several hollow-preforms to form hollow or tubular articles
    • B29C66/51—Joining tubular articles, profiled elements or bars; Joining single elements to tubular articles, hollow articles or bars; Joining several hollow-preforms to form hollow or tubular articles
    • B29C66/53—Joining single elements to tubular articles, hollow articles or bars
    • B29C66/534—Joining single elements to open ends of tubular or hollow articles or to the ends of bars
    • B29C66/5344—Joining single elements to open ends of tubular or hollow articles or to the ends of bars said single elements being substantially annular, i.e. of finite length, e.g. joining flanges to tube ends
    • 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
    • B29C66/50—General aspects of joining tubular articles; General aspects of joining long products, i.e. bars or profiled elements; General aspects of joining single elements to tubular articles, hollow articles or bars; General aspects of joining several hollow-preforms to form hollow or tubular articles
    • B29C66/61—Joining from or joining on the inside
    • B29C66/612—Making circumferential 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
    • B29C66/50—General aspects of joining tubular articles; General aspects of joining long products, i.e. bars or profiled elements; General aspects of joining single elements to tubular articles, hollow articles or bars; General aspects of joining several hollow-preforms to form hollow or tubular articles
    • B29C66/63—Internally supporting the 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
    • B29C66/80—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
    • B29C66/818—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 cooling constructional aspects, or by the thermal or electrical insulating or conducting constructional aspects of the welding jaws or of the clamps ; comprising means for compensating for the thermal expansion of the welding jaws or of the clamps
    • B29C66/8182—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 cooling constructional aspects, or by the thermal or electrical insulating or conducting constructional aspects of the welding jaws or of the clamps ; comprising means for compensating for the thermal expansion of the welding jaws or of the clamps characterised by the thermal insulating constructional aspects
    • B29C66/81821—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 cooling constructional aspects, or by the thermal or electrical insulating or conducting constructional aspects of the welding jaws or of the clamps ; comprising means for compensating for the thermal expansion of the welding jaws or of the clamps characterised by the thermal insulating constructional aspects of the welding 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
    • B29C66/83—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
    • B29C57/00—Shaping of tube ends, e.g. flanging, belling or closing; Apparatus therefor, e.g. collapsible mandrels
    • 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

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)
  • Arc Welding In General (AREA)
  • Pressure Welding/Diffusion-Bonding (AREA)

Abstract

本装置应用在管、瓶、盒的生产。其特征在于，能够提高焊缝质量并降低废弃比率。该装置包括芯轴(1)、冷却元件和喷嘴D，在芯轴上以典型的方式放置头部(3)和管体(2)，冷却元件与芯轴(1)同轴，喷嘴D与芯轴(1)同轴。所述的喷嘴包含两部件-内部喷嘴(7)和外部喷嘴(8)-并形成用于输送加热气体(HG)的通道(9)。该装置只包括一个工作站。冷却元件也是成型元件OFE，由位于成型金属环(6)中的冷却金属环(4)构成。在成型金属环和所述的冷却金属环(4)之间有绝热环(5)。在加热位置只，所述的绝热环(5)围绕管体(2)的末端放置。该绝热环(5)为固态材料或具有低的热传导的气体。

Description

头部焊接装置
技术领域
本装置用于由具有一层或多层的箔片制成的部件的头部焊接机，该头部焊接机尤其用于管、瓶、盒等的制造。
背景技术
已知的头部焊接装置[1]具有第一工作站FWS，该第一工作站包括芯轴以及冷却元件CE，在芯轴上以典型的方式放置头部和管体，冷却元件CE与芯轴同轴，所述冷却元件中具有用于输送加热气体HG的通道和冷却区。冷却元件CE在一个位置上停止，从而形成了开放的加热室，并且通过对其冷却形成两个区而在管体末端提供不同的热量，其中一个区为冷却到低于箔片熔点的温度的内部区，另一个区为几乎不冷却且温度略高于箔片熔点的末端区。同时，头部在焊接区被加热到温度略高于制成所述头部的材料的熔点。在拉出冷却元件CE之后，沿着加热头部-管体将芯轴移动到第二工作站SWS，在第二工作站成型元件被压到加热的头部-管体上并保持在该位置，直到头部和管体被冷却。然后，将成型元件从工作区拉出，并移除管体。这个过程在两个工作站以相同的顺序被连续地重复。
事实上，这种装置存在的缺点是获得的焊缝质量差，这是因为为了弥补不期望的加热焊接部件的冷却，必须在第一工作站对所述部件进行过度加热。这就导致了在超过所需距离的地方存在对管体的不期望的加热，在第二工作站SWS的随后焊接过程中，会引起不期望的变形，这导致了不良的焊接外观，甚至经常导致废品产生。
本发明的目的在于发明一种头部焊接装置，从而提高焊缝质量，并同时降低废弃比率。
发明内容
该头部焊接装置包括芯轴、冷却元件CE和喷嘴D，在芯轴上以典型的方式放置头部和管体，冷却元件CE与芯轴同轴，喷嘴D与芯轴同轴。所述的喷嘴包含两部件，内部喷嘴和外部喷嘴8，喷嘴形成用于输送加热气体HG的通道。该装置只包括一个工作站。冷却元件也是成型元件，并且由位于成型金属环中的冷却金属环构成。在成型金属环和所述的冷却金属环之间设有绝热环。在加热位置中，所述的绝热环围绕管体的末端设置。
在头部焊接装置中，绝热环是固态材料或具有低的热传导的气体。
实际上，头部焊接装置的优点在于，它的特征在于可以提高焊缝质量和确保低的废弃率。
附图说明
本发明通过参照焊接机(图中未示出)中头部焊接装置的示例实施例进行更详细的解释，其中：
图1是所述装置在初始位置的纵向剖面图；
图2是所述装置在加热位置的纵向剖面图；
图3是所述装置在成型位置的纵向剖面图；
图4是所述装置在终点位置的纵向剖面图。
具体实施方式
图中的头部焊接装置包括芯轴1、冷却元件和喷嘴D，在芯轴上以典型的方式放置头部3和管体2，冷却元件与芯轴1同轴，喷嘴D与芯轴1同轴。所述的喷嘴包含两部件——内部喷嘴7和外部喷嘴8——并且形成用于输送加热气体HG的通道9。该装置只包括一个工作站。冷却元件也是成型元件——OFE——并且其由位于成型金属环6中的冷却金属环4构成。在成型金属环和所述的冷却金属环4之间设有绝热环5。在加热位置，所述的绝热环5围绕管体2的末端放置。
在该头部焊接装置中，绝热环5是固态材料或具有低的热传导的气体。
本发明的功能
头部焊接装置功能如下所述。将头部3和管体2放置在芯轴1上之后，沿着喷嘴D，元件OFE朝向焊接区移动。与此同时，加热气体HG也被输送进来。元件OFE和喷嘴D停止在一个位置，开放的加热室10在该位置形成，并且通过对其冷却形成两个区而向管体2的末端提供不同的热量，其中一个区为冷却到低于箔片熔点的温度(通过冷却金属环4)的内部区11，另一个区为几乎不冷却且温度略高于箔片熔点(由于绝热环5)的末端区12，同时，头部3在焊接区被加热到温度略高于制成所述头部的材料的熔点。在此之后，焊缝形成(通过元件OFE)，并且喷嘴D返回到其初始位置，结果，向焊接区输送加热气体HG被终止。焊缝被冷却之后，元件OFE也被拉出到其初始位置，将获得的部件从芯轴1移走，并且头部3和管体2再次被放置在芯轴1上。然后，重复该过程。这样，由于加热后立即进行成型，因而没有必要过度加热管体2。获得的焊缝具有高的质量，废弃率最小。
参考文献：
1、用于制造层压管的机器操作手册(Manual for Operating a Machine forManufacturing Laminate Tubes)″5501″，Mehatronika AD，Gabrovo，2005。

Claims (2)

1.一种头部焊接装置，包括芯轴(1)、冷却元件和喷嘴(D)，在所述芯轴上以典型的方式放置有头部(3)和管体(2)，所述冷却元件与所述芯轴(1)同轴，所述喷嘴(D)与所述芯轴(1)同轴，所述喷嘴包含两个部件——内部喷嘴(7)和外部喷嘴(8)——所述内部喷嘴和所述外部喷嘴形成用于输送加热气体(HG)至所述管体(2)的通道(9)，其特征在于，所述头部焊接装置只包括一个工作站，所述冷却元件也是成型元件，并且所述冷却元件由位于一成型金属环(6)中的冷却金属环(4)构成，在所述成型金属环(6)和所述冷却金属环(4)之间设有绝热环(5)，其中在加热位置，所述绝热环(5)围绕所述管体(2)的末端设置，并且在所述加热位置，所述成型元件与所述喷嘴(D)停在形成开放的加热室(10)的位置处，并且通过在所述管体(2)上形成内部区和末端区来对所述管体(2)的末端提供不同的热量，其中所述内部区为通过所述冷却金属环(4)冷却到低于所述管体(2)的材料的温度，而所述末端区由于所述绝热环(5)而不冷却且温度略高于所述管体(2)的材料的温度。
2.根据权利要求1所述的头部焊接装置，其特征在于，所述绝热环(5)是具有低的热传导的气体或固态材料。
CN200980118893.7A 2008-05-23 2009-04-24 头部焊接装置 Expired - Fee Related CN102036806B (zh)

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BG110143 2008-05-23
BG11014308A BG110143A (en) 2008-05-23 2008-05-23 WINDOW FOR WELDING WELDING
PCT/BG2009/000005 WO2009140744A1 (en) 2008-05-23 2009-04-24 An assembly for head welding

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CN102036806A CN102036806A (zh) 2011-04-27
CN102036806B true CN102036806B (zh) 2014-03-05

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CN103723311B (zh) * 2014-01-09 2016-03-23 湖南千山制药机械股份有限公司 塑料瓶热熔封装置
CN104002478B (zh) * 2014-05-21 2016-09-07 深圳大学 一种pe燃气阀门阀上座热熔焊接设备和焊接方法
US10040264B2 (en) 2015-04-01 2018-08-07 Dart Container Corporation Container bottom heater

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US20110049220A1 (en) 2011-03-03
CN102036806A (zh) 2011-04-27
US8459528B2 (en) 2013-06-11
EP2279072A1 (en) 2011-02-02

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