CN101205759B - 用于密封地板缝的热焊嘴 - Google Patents

用于密封地板缝的热焊嘴 Download PDF

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CN101205759B
CN101205759B CN2007100018791A CN200710001879A CN101205759B CN 101205759 B CN101205759 B CN 101205759B CN 2007100018791 A CN2007100018791 A CN 2007100018791A CN 200710001879 A CN200710001879 A CN 200710001879A CN 101205759 B CN101205759 B CN 101205759B
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里奥·马丁内兹
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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    • B29C66/00General aspects of processes or apparatus for joining preformed parts
    • B29C66/01General aspects dealing with the joint area or with the area to be joined
    • B29C66/02Preparation of the material, in the area to be joined, prior to joining or welding
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    • B29C66/0242Heating, or preheating, e.g. drying
    • BPERFORMING OPERATIONS; TRANSPORTING
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    • B29C65/00Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B29C65/10Joining 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
    • B29C65/12Joining 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 and welding bar
    • BPERFORMING OPERATIONS; TRANSPORTING
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    • B29C66/816General 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 mounting of the pressing elements, e.g. of the welding jaws or clamps
    • B29C66/8167Quick change joining tools or surfaces
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    • B29C66/836Moving relative to and tangentially to the parts to be joined, e.g. transversely to the displacement of the parts to be joined, e.g. using a X-Y table
    • BPERFORMING OPERATIONS; TRANSPORTING
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    • B29C66/84Specific machine types or machines suitable for specific applications
    • B29C66/865Independently movable welding apparatus, e.g. on wheels
    • B29C66/8652Independently movable welding apparatus, e.g. on wheels being pushed by hand or being self-propelling
    • B29C66/86531Independently movable welding apparatus, e.g. on wheels being pushed by hand or being self-propelling being guided
    • B29C66/86535Independently movable welding apparatus, e.g. on wheels being pushed by hand or being self-propelling being guided by the edge of one of the parts to be joined or by a groove between the parts to be joined, e.g. using a roller
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    • B29C66/022Mechanical pre-treatments, e.g. reshaping
    • B29C66/0224Mechanical pre-treatments, e.g. reshaping with removal of material
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    • B29C66/41Joining substantially flat articles ; Making flat seams in tubular or hollow articles
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    • B29C66/435Making large sheets by joining smaller ones or strips together
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    • B29C66/71General 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
    • BPERFORMING OPERATIONS; TRANSPORTING
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    • B29C66/73General 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
    • B29C66/739General 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 material of the parts to be joined being a thermoplastic or a thermoset
    • B29C66/7392General 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 material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of at least one of the parts being a thermoplastic
    • B29C66/73921General 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 material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of at least one of the parts being a thermoplastic characterised by the materials of both parts being thermoplastics
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    • B29C66/812General 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 composition, by the structure, by the intensive physical properties or by the optical properties of the material constituting the pressing elements, e.g. constituting the welding jaws or clamps
    • B29C66/8122General 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 composition, by the structure, by the intensive physical properties or by the optical properties of the material constituting the pressing elements, e.g. constituting the welding jaws or clamps characterised by the composition of the material constituting the pressing elements, e.g. constituting the welding jaws or clamps
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    • B29C66/81General 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
    • B29C66/812General 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 composition, by the structure, by the intensive physical properties or by the optical properties of the material constituting the pressing elements, e.g. constituting the welding jaws or clamps
    • B29C66/8126General 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 composition, by the structure, by the intensive physical properties or by the optical properties of the material constituting the pressing elements, e.g. constituting the welding jaws or clamps characterised by the intensive physical properties or by the optical properties of the material constituting the pressing elements, e.g. constituting the welding jaws or clamps
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Abstract

一热和密封剂供应焊嘴构造成用于密封相邻地板块之间的接缝。本发明的焊嘴由分离的匹配密封剂馈送构件和热空气传导构件形成,它们配装和固定在一起。焊嘴的两个部分的结构在其间形成第一和第二封闭的增压腔室,其带有一系列管道和通道,它们预加热地板内待接纳熔化的密封剂的槽以及密封剂本身。此外,尽管管道、通道和形成的焊嘴内的内腔相当复杂,但由于焊嘴是两部分组成的结构,不需很困难地就可形成管道、通道和端口。而且,焊嘴构造成热空气不与内部熔化腔室内的密封剂混和,但相反,仅在密封剂离开焊嘴时才与熔化的密封剂接触。

Description

用于密封地板缝的热焊嘴
技术领域
本发明涉及一用于便携式手持的密封缝的焊枪的热焊嘴,其用来分配熔化的密封剂以将相邻的地板连接在一起。
背景技术
在铺设市场上出售的诸如油地毡之类的地板过程中,地板的相邻的板块并排地定位,并切成要求的形状。地板通过粘结剂化合物固定到地面上。为了将地板固定到地面上,化合物涂敷到地面上,并将切割成的地板块一块接一块地铺设就位。一旦铺设好一个地板块,就将下一相邻的地板块放到位置上并压靠在地面上,使相邻地板块的直线边缘搁置成彼此并排地邻接。
以此方式铺设地板的一个主要问题在于,地板块的底面和其下面的底层地板之间的粘结连接有时不充分。当底层地板和地板块之间的粘结连接由于老化、底层地板移动或安装不妥而变劣时,常常油地毡地板块的区域将趋于与底层地板分离。
地板块的区域与底层地板的分离特别表现在地板相邻块之间的接缝处。被认为牢固地彼此邻接地驻留的相邻地板块的边缘有时趋于稍许从底层地板拱起。因为在相邻地板块的边缘拱起时发生分离,这不仅呈现难看的外观,而且导致地板显著地变坏。当相邻地板块之间以此方式发生分离时,潮气、脏物和碎屑长驱直入地进入形成在地板块之间的裂缝内,由此,导致地板进一步损坏。
在地板安装行业中,使用可熔化的塑料在相邻的地板块的邻接边缘之间形成一密封的方法已经日益地获得大众认可。根据该技术,相邻地板块移动成邻接的关系,使用一开槽工具,在邻接的地板块相遇的地方切割出一面向上的细长槽。即,地板块的接缝切割出一槽,以使各地板的暴露的上表面覆盖的面积稍许小于其隐蔽的底面,因此,在毗邻的地板块之间提供形成一槽或通道的相邻的表面。这些相邻的表面可以使用从上面涂敷的熔化的热塑性塑料连接在一起。选择热塑性塑料的颜色与地板的颜色相匹配,以在相邻的地板块之间呈现大大地不可觉察的划分线。
在相当的某一时期中,便携式的手持的接缝焊枪已经在市场上面世,其熔化密封剂来密封地板接缝。传统的接缝焊枪通常是接电源的,借助于电热丝加热空气来熔化热塑性嵌条。该加热的空气朝向密封剂,使其在焊嘴内的熔化腔室内熔化,这样,熔化的密封剂流入槽内。
该类型的手持的接缝焊枪通常构造有一形成焊枪后部的大致圆柱形本体,以及一沿纵向轴线从本体向前突出的导热构件。传统的该类型便携式手持的接缝焊枪在欧洲由瑞士的CH-6060 Sarnen的Leister Process Technologies公司制造。其它类似的市场上出售的接缝焊枪诸如Zinser K-5的手持焊枪,其由德国的斯图加特市的Stuttgarter Strasse 145,73061的Zinser Schweisstechnik GmbH出品。
一适配器具有一热集中鼻,其通常由高传热金属形成,诸如铜或铜合金,该适配器安装在导热构件上,并包括一加热末端安装管。该加热末端安装管沿着本体的纵向轴线向前突出并具有一窄的管形结构。该类型的适配器通常在行业内称之为“笔端”适配器。加热末端安装管配装到中空的热焊嘴内。
一传统的便携式手持接缝焊枪的热焊嘴包括一配装在加热末端安装管上的中空的圆柱形套筒,以及另一管形结构,其容纳一细长长度的或棒形的热塑性塑料,它馈送到热焊嘴的内部并在其中熔化。
为了实现完全地密封接缝但又不损坏地板的光滑的焊缝,焊嘴结构极其重要。近年来,具有尿烷表面涂层的地板块获得普及。尽管颇为吸引人,但这样的地板比完全由诸如热塑性塑料的其它材料构造的地板更加敏感于热量。其结果,许多传统的热焊嘴因其烤焦或褪色而损坏地板表面。
目前使用多个不同的焊嘴来密封由温度敏感材料构造成的地板中的接缝。然而,当将密封剂熔化到相邻地板块之间的槽内时,用于该用途的传统焊嘴易于烤焦地板或褪色地板的边缘。一典型使用的焊嘴由位于德国的Ehnington市的JanserGmbH销售,其为超速焊嘴,以零件号No.224 800 007出售。该公司还销售零件号为No.224 700 300的Speed Weld Nozzle。位于Lyndonville,Vermont的LaramyProducts Co.,Inc.销售万用的高速末端,其有时用于焊接热敏感的地板块之间的接缝。Zinser公司还销售有时可用于同样用途的Super Rapid Nozzle。然而,所有这些传统的焊嘴产生普通的结果。它们在接缝焊接过程中都易于烤焦地板和/或褪色地板块的边缘。
发明内容
根据本发明,提供一具有非常独特设计的接缝焊嘴,其在对热敏感的地板块之间的接缝焊接中产生显著超级的结果。本发明的焊嘴具有独特的复杂阵列的内部增压腔室、通道和管道,它们熔化密封剂而不烤焦它,且其预热密封剂和相邻地板块的边缘而不褪色,褪色是传统焊嘴的特征。此外,尽管本发明的接缝焊嘴中内腔、管道、通道和槽等型式相当错综复杂,但由于焊嘴由两个部件部分构造成而不是多年来用于生产接缝焊嘴的单一零件模制的结构类型,所以其制造相当简单。
根据本发明,焊嘴包括一密封剂馈送构件和一热空气传导构件,它们最初是分离的部件部分。这两个构件可以单独地模制、铸造或冲压,当两个零件仍分离时,诸表面最初暴露并可容易地加工。然后,部件部分配装在一起,使匹配的平表面搁置成面对面接触。这些平表面起初在模制零件线上生产以分别地形成两个零件。所要求的内腔、通道和腔室通过压下模制过程中形成的平表面,并通过在零件组装在一起之前相当容易地实施的加工而形成。
在一广义的方面,本发明可认为是一用于密封相邻地板块之间接缝的热和密封剂供应焊嘴。该焊嘴由分离的匹配的密封剂馈送和热空气传导构件形成,它们配装和固定在一起,以封闭它们之间的第一和第二增压腔室。密封剂馈送构件和热空气传导构件形成多个热空气入口管道以便从一热空气源中接纳热空气。它们包括一从热空气源通向第一增压腔室的第一热空气入口管道,以及一从热空气源通向第二增压腔室的第二热空气入口管道。
热空气传导构件具有一线性的接缝预加热地板接触边缘,其具有前和后极端以及多个沿其长度布置的分离的热空气排出端口。所有这些热空气排出端口与第一增压腔室气流地连通。
密封剂馈送构件具有一由其结构形成的中空的密封剂馈送管并在其中形成一密封剂馈送通道,该通道具有直线的线性对齐。密封剂馈送通道与与热空气源连通的直接气流隔绝。密封剂馈送通道具有一位于第二增压腔室上方的密封剂入口开口,以及一邻近于热空气传导构件的地板接触边缘并在其前方形成的密封剂出口开口。
第二增压腔室直接邻近于密封剂馈送管定位,密封剂馈送管用作为一介于密封剂馈送通道和第二增压腔室之间的隔膜。一密封剂预热管形成在焊嘴结构内,该焊嘴从热空气源引导到一位于密封剂馈送管上方并直接邻近于其的密封剂预热端口。
较佳地,本发明的热和密封剂供应焊嘴的线性接缝预热地板接触边缘具有一狭窄的平边缘中心表面,该中心表面形成为一带,带宽不大于约50毫米,长度约在2和4厘米之间并位于第一增压腔室下方。热空气排出端口各具有一直径不大于约0.5毫米的圆孔,并形成在该狭窄的中心表面内。倾斜表面向上成坡度并远离狭窄的平的边缘中心表面。其结果,地板接触边缘具有一截头的V形表面结构,使分离的排出通道从第一增压腔室引向各个热空气排出端口。在横截面中,线性的接缝预加热接触边缘具有一截头的楔形结构。沿接缝预加热接触边缘的长度较佳地有线性对齐的至少10个热空气排出端口。
密封剂预热管具有一下游段,其沿与密封剂馈送通道的直线的线性对齐相交的一直线对齐地定向。因此,一热空气流从密封剂预热端口射出并引向在密封剂入口开口处进入密封剂馈送通道的密封剂。较佳地,密封剂预热管的下游段垂直于密封剂馈送通道的线性对齐直线定向。
密封剂馈送管形成一结构屏障,以隔绝密封剂馈送通道内的密封剂直接接触由热空气源射出的空气,直到密封剂离开密封剂出口开口为止。分离的上、下和中通道较佳地形成在从热空气源引出的热空气传导构件的结构内。下通道相交于第一增压腔室。第二增压腔室具有上、下和中部。上通道通向第二增压腔室的上部。中间通道通向热和密封剂供应嘴内的第二增压腔室的中间部分。下游通道邻近于并平行于密封剂馈送管形成。下游通道形成第二增压腔室的下部。
在另一广义方面,本发明可认为是一用于熔化密封剂和将密封剂供应到相邻地板块的暴露的顶表面之间的接缝内的热和密封剂供应焊嘴。该焊嘴由一密封剂加热构件和一热空气传导构件组成。密封剂加热构件形成一中空的直线密封剂馈送管,其线性对齐地定向并相对于地板块暴露的表面倾斜。密封剂馈送管具有一上密封剂入口开口和一下密封剂分配开口。热空气传导构件具有一连接到热空气源的热空气入口,以及一位于密封剂馈送管的密封剂分配开口后面的线性接缝预热接触边缘。多个接缝预热端口形成在热空气传导构件的接缝预热接触边缘内。接缝预热端口布置成直线,彼此对齐并与密封剂分配开口对齐。
密封剂馈送构件和热空气传导构件形成为分离的结构,它们以匹配的方式配装和固定在一起,以形成第一和第二内增压腔室的相对侧。第一增压腔室直接位于预热接触边缘上方。接缝预热端口位于第一增压腔室下游并与第一增压腔室热气流地连通。第一增压腔室位于热空气入口下游并与其热空气地连通。
第二增压腔室位于密封剂馈送管附近,其管壁在第二增压腔室和密封剂馈送管内的密封剂之间形成一屏障。一密封剂预热的热空气供应管道形成在热空气传导构件内,该热空气传导构件从热空气入口通向一密封剂预热端口,该端口位于密封剂入口开口上方并物理地与第一和第二增压腔室隔绝。
在还有另一方面,本发明可认为是一用于手持地板接缝密封装置的热焊嘴。该焊嘴由一密封剂加热构件和一热空气传导构件组成,它们起初形成为分离的结构。这两个构件具有平的匹配表面。诸构件中的至少一个的平的匹配表面构造成有增压内腔,内腔具有一从其平的匹配表面凹进的增压侧壁。密封剂加热构件和热空气传导构件固定在一起,以使平的匹配表面彼此面对面地接触。热空气传导构件和密封剂加热构件一起形成其间的第一和第二中空的增压腔室。
热空气传导构件具有一热空气入口并带有多个内部入口空气管道,它们包括一从热空气入口引导到第一增压腔室的第一入口管。热空气传导构件具有线性的细长的地板接触边缘,其带有位于热空气入口相对侧的前和后极端。形成多个内接缝预热通道,它们从第一增压腔室通向细长地板接触边缘内的空气排出端口。
密封剂加热构件具有一结构,其具有通过其间形成的一线性密封剂加热通道。密封剂加热通道与第一和第二增压腔室隔绝。密封剂加热通道终止在相对的密封剂入口和密封剂出口开口。密封剂加热构件内的密封剂出口开口位于热空气传导构件内的内部空气排出端口附近,并与热空气传导构件内的内部空气排出端口线性地对齐,并还与地板接触边缘的前极端线性地对齐。形成一第二空气入口管,其从热空气入口通向第二增压腔室。第二增压腔室通过密封剂加热构件的结构与密封剂预热管隔绝。
一密封剂预热管形成在热空气传导构件内。密封剂预热管从热空气入口引出,终止在密封剂馈送构件内的密封剂入口开口附近和其上方的密封剂预热端口处。
密封剂加热构件和热空气传导构件最好永久地固定在一起。或者,这些构件可以形成为可拆卸的部件。在此情形中,其中一个部件设置有一横向的内螺纹开口,而另一构件设置有一直径稍大的横向匹配的开口。一螺钉可通过较大直径的开口引入,并螺纹地啮合拧紧到另一构件内的内螺纹开口中。较佳地,焊嘴仅由密封剂馈送构件和热空气传导构件组成,这样,在焊嘴结构中只需两个分离的零件。
本发明可更清晰地尤其参照附图进行描述。
附图说明
图1是一侧视图,示出使用根据本发明的一利用热量的手持的接缝焊接工具以及密封剂供应嘴。
图2是图1的手持的接缝焊接工具的俯视平面图。
图3是详细示出图1所示的焊嘴的侧视截面图。
图4是图3所示焊嘴的仰视平面图。
图5是隔离法显示的图3中所示焊嘴的侧视详图。
图6是沿图3中线6-6截取的隔离的焊嘴的横向截面详图。
图7是隔离法显示的图3中标号7处所示的焊嘴部分的放大的侧视截面详图。
图8是一侧视图,隔离法示出密封剂馈送构件并示出其平的匹配表面。
图9是一侧视图,隔离法示出热空气传导构件并示出其平的匹配表面。
图10是一仰视立体图,示出安装在一适配器内的本发明的焊嘴。
图11是沿图5的线11-11截取的横向端视详图。
图12是沿图3的线12-12截取的横向截面详图。
图13是一横向端视图,示出带有一密封剂馈送管的焊嘴,该密封剂馈送管是对图11所示管的一替代的横截面结构。
具体实施方式
图1示出一手持的接缝焊接工具10,其用于密封尿烷油地毡相邻地板块之间的地板接缝,示于图2中的标号12和14处。尿烷油地毡地板块12和14利用传统的基底油地毡粘结剂层固定到一夹板或混凝土的底层地板上。如图2和12所示,相邻的地板块12和14以邻接的关系布置。在使用接缝焊接工具10之前,使用一传统的地板开槽工具,一面向上的细长槽20形成在地板块12和14的面向上的邻接边缘内。非常典型的是,形成的槽20具有一半圆形横截面,如图12所示。
图1和2中所示的接缝焊接工具10是一传统的Liester Triac型的便携式手持地板接缝焊枪22,其具有一大致圆柱形结构的本体24。这种和其它种的手持地板接缝焊枪描述在先前的美国专利No.5,656,126内,本文援引其全部内容以供参考。本体24形成一纵向轴线26。该焊枪22通过一电源线28由市售交流电供电。
在其前端处,接缝焊枪22具有一从本体24突出的圆柱形的导热构件30。导热构件30包含电阻盘丝,其通过一位于本体24内的真空电机可加热抽取到一位于本体24背端处的空气吸入门内的空气。当空气被电机泵送向前进入一适配器34内时,空气在导热构件30内加热,所述适配器34配装在导热构件30的直径减小的前端36上。适配器34承载一根据本发明构造的焊嘴40。
当焊嘴40安装在手持的地板接缝焊枪22上时,其设计成与一稳定的滚轮导向器66相连地使用。该滚轮导向器66具有一细长的向前和向上突出的臂或杆构件68以及一承载在一轴76中心处的盘形接缝随动件70,该轴76安装在一对支臂78和80之间。滚轮导向器66的结构和操作基本上与先前美国专利号5,656,126中所示和所描述的稳定导向器的结构和操作相同。当操作者沿向后方向,即,如图1和2所示从右到左的方向,移动接缝焊接工具10时,接缝的盘形随动件70跟随形成在相邻地板块12和14之间的槽20的中心。滚轮导向器66确保工具10精确地保持与地板块12和14之间的划线垂直地对齐,并还保持焊嘴40相对于地板块12和14的水平表面正确地定向。
加热和密封剂供应焊嘴40用来密封相邻地板块12和14之间的接缝。焊嘴40由两个初始分离的匹配部件元件形成,其包括一密封剂加热和馈送构件42和一热空气传导构件44,两者形成为模制和机加工的钢结构,在图8和9中分别以隔离法显示为彼此附连之前的情形。密封剂加热和馈送构件42和热空气传导构件44配装在一起,并最好永久地以匹配的方式用焊接方法彼此固定而形成完成的焊嘴40。
密封剂加热和馈送构件42和匹配的热空气传导构件44一起形成一第一增压腔室46和一第二增压腔室48,如图3和9所示。密封剂加热和馈送构件42和热空气传导构件44还形成多个热空气入口管道,包括一第一热空气入口管道50、一第二热空气入口管道52和一密封剂预加热管道54,以及一中间热空气入口管道56。所有的热空气入口管道50、52、54和56从热空气源接受热空气,热空气源是如图3所示的适配器34的中空热空气源封闭器58。热空气传导构件44具有一连接到热空气源封闭器58的热空气入口85。第一热空气入口管道50从热空气源封闭器58通向第一增压腔室46。第二热空气入口管道52从热空气源封闭器58通向第二增压腔室48。
热空气传导构件44具有一线性接缝预加热接触边缘80,如图3、6和10所示,其具有一向前的极端82和一向后的极端84。向前的极端82位于热空气传导构件44的热空气入口端85的相对处。接缝预加热接触边缘80较佳地约为三厘米长。多个分离的接缝预加热端口86形成在热空气传导构件44的接缝预加热接触边缘80内。接缝预加热端口86成直线沿接缝预加热接触边缘80的长度排列在向前的极端82和向后的极端84之间。
各个接缝预加热端口86的直径最好不大于约0.5mm。接缝预加热端口86较佳地沿线性的接缝预加热接触边缘80的长度中心对中心地彼此间隔开约1mm距离。所有的接缝预加热端口86与第一增压腔室46气流地连通,并通过分离的短的互相平行的预加热通道88连接到其上。较佳地,有十三个分离的接缝预加热端口86彼此呈直线对齐地布置在接缝预加热接触边缘80的向前的极端82和一向后的极端84之间。
如图4和6所示,线性的接缝预加热接触边缘80具有一狭窄的平边缘的中心表面90,接缝预加热端口86形成在其中。倾斜的表面92和94向上和向外地成坡度,沿离中心表面90的横向方向。平边缘中心表面90是一狭窄的矩形带,其宽度约为25毫米长度约为三厘米。在使用中,中心表面90平地压靠在地板块12和14的水平上表面上,骑跨在其中的槽20上。倾斜表面92和94相对于水平方向并相对于中心表面90向上倾斜,较佳地,如图6所示,成约为65度的角度。因此,接缝预加热接触边缘具有一截头的V形或楔形的横截面结构。
密封剂加热和馈送构件42具有一中空的密封剂馈送管104,如图11所示,其具有一大致正方形的外横截面结构。在该结构内,密封剂馈送管104形成一密封剂馈送通道100,如图11所示,该通道具有一圆形横截面。密封剂馈送通道100具有一直线的线性对齐轴线102。当密封剂加热和馈送构件42与热空气传导构件44组装(如图1所示)时,密封剂馈送通道100的线性对齐轴线102布置成倾斜,相对于接缝预加热接触边缘80成锐角。较佳地,密封剂馈送通道100的对齐轴线102相对于接缝预加热接触边缘80的平边缘中心表面90倾斜约成50度。
直线的密封剂馈送管104具有一密封剂入口开口103和一密封剂分配开口105。密封剂馈送通道100分别终止在相对的密封剂入口和密封剂出口开口103和105内。密封剂加热和馈送构件42内的密封剂出口开口105邻近地定位,并与热空气传导构件44内的接缝预加热端口86的直线线性地对齐,并还与接缝预加热接触边缘80的向前的极端82对齐。密封剂入口开口103位于第二增压腔室48上方。密封剂出口开口105邻近于密封剂加热和馈送构件42的接缝预加热接触边缘80并在其前面形成。
密封剂馈送管104的后内壁106在密封剂馈送管104内的第二增压腔室48和密封剂108之间形成一结构的屏障。后内壁106隔绝密封剂馈送通道100内的密封剂108与从热空气源封闭器58发出的热空气直接接触,直到密封剂108离开密封剂出口开口105之后为止。
形成在热空气传导构件44内的密封剂预加热管道54从热空气入口端85引出,终止在密封剂预加热端口97。密封剂预加热端口97邻近并高于密封剂加热和馈送构件42内的密封剂入口开口103,并实体地与第一和第二增压腔室46和48隔绝。
如图3所示,密封剂预加热管道54具有一沿直线98定向的下游段96。密封剂预加热管道54的下游段96垂直并相交于密封剂馈送通道100的直线的线性对齐轴线102。
第二增压腔室48直接邻近于密封剂馈送管104形成。密封剂馈送管104的后内壁106起作介于密封剂馈送通道100和第二增压腔室48之间的一隔膜并彼此隔绝。即,尽管进入第二增压腔室48的热空气通过后内壁106凭借热传导加热密封剂馈送管104内的密封剂108,但热空气不与密封剂108混和直到密封剂108完全地熔化和在重力作用下向下流入槽20内后为止。
第二增压腔室48具有一上部110、一中部112,以及一下部114。如图3和9所示,形成在热空气传导构件44的结构内的第二热空气入口管道52从热空气源封闭器58引导到第二增压腔室48的上部110。形成在热空气传导构件44的结构内的中间热空气入口管道56从热空气源封闭器58引导到第二增压腔室48的中部112。第二增压腔室48的下部114由形成在热空气传导构件44的结构内的下游通道所形成。
如图8和9所示,密封剂加热和馈送构件42和热空气传导构件44起初形成为分离的焊嘴部件结构,它们两者分别具有平的匹配表面122和124。热空气传导构件44的匹配表面124构造有增压腔室,其具有一增压侧壁118,该侧壁平行于平的匹配表面124并从其中凹进。较佳地,增压侧壁118从匹配表面124凹进的距离约为2毫米。密封剂加热和馈送构件42的相对的平匹配表面122形成为一从密封剂馈送管104的后内壁106突出的平的突缘。
在其下游端处,第二热空气入口管道52具有一急陡的弯头并净空到第二增压腔室48内。一上部槽116形成在第二增压腔室48的侧壁118内。同样地,一中间槽120形成在侧壁118内并从中间热空气入口管道56引向第二增压腔室48的中间部分112和第二增压腔室48的下部114之间的相交处。如图3所示,第一热空气入口管道50和中间热空气入口管道56之间有一横向连接的管道。从管道50和56到达的加热空气的一部分通过第一增压腔室46以预加热地板内的槽20,同时,从这些管道引出的另一部分的热空气被引导到第二增压腔室48的中间部分112和下部114内。
如图7所示,热气流从管道52和56进入到第二增压腔室48内,并通过上部110、中部112和下部114循环,以通过后内壁106的热传导加热密封剂馈送管104内的密封剂108。形成密封剂加热和馈送构件42和热空气传导构件44的金属具有高的热传导系数,这样,密封剂108可在密封剂馈送管104内快速地加热,但不将空气注入到密封剂馈送通道100内。密封剂馈送管104的后内壁106在第二增压腔室48和密封剂馈送管104内的密封剂108之间形成一屏障。
在将密封剂加热和馈送构件42和热空气传导构件44连接在一起之前,一直线上的线性的彼此平行的多个孔垂直于平边缘中心表面90钻孔以与第一增压腔室46相交。这些钻孔形成从第一增压腔室46引到细长的接缝预加热接触边缘80的直线的预加热通道88。各个接缝预加热通道88终止在多个分离的接缝预加热端口86中的单一个处,多个分离的接缝预加热端口86沿着细长的接缝预加热接触边缘80的长度位于一直线内。如图4和10所示,至少有10个较佳地13个形成在接缝预加热接触边缘80内的接缝预加热端口86。
为了组装焊嘴40,密封剂加热和馈送构件42从图8所示的定向翻过来,以使平的匹配表面122和124彼此直接接触,于是,平的匹配表面122的边缘126座落在从热空气传导构件44的外壁130凹进的一狭窄的突脊128上。密封剂加热和馈送构件42和热空气传导构件44然后固定在一起,较佳地通过焊接方法沿着平的匹配表面122和124的周缘的划分线处的大致梯形的交界面进行固定。
一旦密封剂加热和馈送构件42和热空气传导构件44组装在一起,如图4、5和10所示,平的匹配表面122和124面对面地彼此接触。热空气传导构件44和密封剂加热和馈送构件42一起在它们之间构成第一中空增压腔室46和第二中空增压腔室48。
尽管密封剂加热和馈送构件42和热空气传导构件44可释放地彼此偶联,最好它们永久地固定在一起。此外,焊嘴40较佳地仅由密封剂加热和馈送构件42和热空气传导构件44组成。通过从仅两个独立地形成的部分来制造焊嘴40,所有的钻孔、通道和最终封闭的内腔可毫无困难地形成在部件构件42和44内。
手持的接缝焊接工具10的操作和焊嘴40的功能示于图1、2、3和12中。如图所示,当工具沿着地板接缝槽20向后移动时,焊嘴40熔化和将密封剂108供应到相邻地板块12和14的暴露表面之间的槽20内。中空的直线的密封剂馈送管104较佳地相对于地板块12和14的暴露表面倾斜地定向成约50度。
热空气传导构件44的接缝预加热接触边缘80直接位于密封剂馈送管104的密封剂出口开口105后面。接缝预加热端口86彼此直线地线性对齐并与密封剂出口开口105对齐。
密封剂加热和馈送构件42和热空气传导构件44形成第一内增压腔室46和第二内增压腔室48两者的相对侧。第一增压腔室46直接位于接缝预加热接触边缘80上方。第一增压腔室46位于热空气入口85下游并与其热气流地连通。接缝预加热端口86位于第一增压腔室46下游并与其热气流地连通。
参照图1和2,地板安装者通过松弛调整固定螺母67来调整滚轮导向器66的杆68的角度,相对于焊枪22的对齐轴线26调整滚轮导向器的杆68的定向角度,然后,重新拧紧调整固定螺母67。焊枪22的温度调节到大约为250℃至275℃的合适温度。然后,一密封剂棒108馈送到密封剂馈送管104内,如图3所示。工具10然后沿向后方向移动,即,如图1和2所示地从右到左的方向。来自第一增压腔室46的热空气通过预加热通道88流出接缝预加热端口86,以预加热就在熔化的密封剂108后面的地板块12和14内的槽20部分。
同时地,来自密封剂预加热空气供应管道54的热空气通过其下游段96引导到进入中空密封剂馈送管104内的密封剂棒108。该预加热密封剂108随着其进入密封剂入口开口103而软化。当其下降密封剂馈送管104时,由于第二增压腔室48内的热空气沿第二增压腔室48的长度加热密封剂馈送通道100内的密封剂108,所以密封剂108进一步软化。当密封剂108在密封剂馈送通道100的下端处接近密封剂出口开口105时,通过密封剂馈送管104的后内壁106从密封剂预加热端口97传输到密封剂的热量在密封剂108从密封剂出口开口105出来时足以软化密封剂108。当接缝焊接工具10向后移动时软化的密封剂108顺畅地流入槽20内。
由于焊嘴40的独特的结构,地板块12和14沿槽20的边缘既不褪色也不烤焦。再者,软化的密封剂108既不褪色也不烤焦,甚至当地板块12和14由尿烷塑料形成时也复如是。因此,焊嘴40利用其管道和通道的独特型式能在相邻的尿烷地板块12和14之间形成的接缝优于使用上述传统型工具形成的接缝。
毫无疑问地,熟悉密封相邻地板块之间接缝的技术人员将会容易地明白本发明的许多变化和修改。例如,形成在密封剂馈送管104内的密封剂馈送通道100具有一如图11所示的圆形截面。该形状适于接纳圆形截面的密封剂棒108。某些密封剂棒制造成其它的形状,其中一种是半圆形形状。为了容纳一具有半圆形截面的密封剂棒,本发明的焊嘴较佳地具有一密封剂馈送管204,如图13所示,其形成一更呈三角形形状的密封剂馈送通道200。因此,本发明的范围不应认为局限于所示和所述的该具体的实施例,但相反,本发明的范围应由附后权利要求书予以定义。

Claims (19)

1.一用于密封相邻地板块之间接缝的热和密封剂供应焊嘴,该焊嘴由分离的匹配的密封剂加热和馈送构件以及热空气传导构件形成,它们配装和固定在一起,以封闭它们之间的第一和第二增压腔室,由此,所述密封剂加热和馈送构件和所述热空气传导构件一起形成多个热空气入口管道以便从一热空气源中接纳热空气,所述热空气入口管道包括一从所述热空气源通向所述第一增压腔室的第一热空气入口管道、一从所述热空气源通向所述第二增压腔室的第二热空气入口管道,所述热空气传导构件具有一线性接缝预加热地板接触边缘,所述地板接触边缘具有前和后极端以及多个沿其长度布置的分离的热空气排出端口,所有这些热空气排出端口与所述第一增压腔室气流地连通,所述密封剂加热和馈送构件具有一由其结构形成的中空的密封剂馈送管并在其中形成一密封剂馈送通道,该通道具有直线的线性对齐轴线,所述密封剂馈送通道与连通于所述热空气源的直接气流隔绝,所述密封剂馈送通道具有一位于所述第二增压腔室上方的密封剂入口开口、以及一邻近于所述热空气传导构件的所述地板接触边缘并在其前方形成的密封剂出口开口,所述第二增压腔室直接邻近于所述密封剂馈送管而定位,密封剂馈送管用作为一介于所述密封剂馈送通道和所述第二增压腔室之间的隔膜,一密封剂预热管形成为从所述热空气源引导到一位于所述密封剂馈送管上方并直接邻近于其的密封剂预热端口。
2.如权利要求1所述的热和密封剂供应焊嘴,其特征在于,所述线性接缝预热地板接触边缘具有:一狭窄的平边缘中心表面,所述诸热空气排出端口形成在其中;以及向上成坡度并远离所述狭窄的平边缘中心表面的多个倾斜表面;由此,所述地板接触边缘具有一截头的V形表面结构。
3.如权利要求2所述的热和密封剂供应焊嘴,其特征在于,所述密封剂预热管具有一下游段,所述下游段沿一与所述密封剂馈送通道的所述直线的线性对齐轴线相交的直线对齐地定向,由此,一热空气流从所述密封剂预热端口射出并引向进入所述密封剂馈送通道的密封剂。
4.如权利要求3所述的热和密封剂供应焊嘴,其特征在于,所述密封剂预热管的所述下游段垂直于所述密封剂馈送通道的所述直线的线性对齐轴线而定向。
5.如权利要求1所述的热和密封剂供应焊嘴,其特征在于,所述密封剂馈送管形成一结构屏障,该结构屏障隔绝所述密封剂馈送通道内的密封剂与从所述热空气源射出的空气之间的直接接触,直到所述密封剂离开所述密封剂出口开口为止。
6.如权利要求1所述的热和密封剂供应焊嘴,其特征在于,还包括形成在从所述热空气源引出的所述热空气传导构件结构内的分离的上、下和中间通道,所述下通道相交于所述第一增压腔室,所述第二增压腔室具有上、下和中间部分,所述上通道通向所述第二增压腔室的所述上部,所述中间通道通向所述第二增压腔室的所述中间部分。
7.如权利要求6所述的热和密封剂供应焊嘴,其特征在于,还包括一位于所述密封剂馈送管附近并与其平行的下游通道,而所述下游通道形成所述第二增压腔室的所述下部。
8.如权利要求1所述的热和密封剂供应焊嘴,其特征在于,所述线性接缝预加热地板接触边缘具有一截头的楔形横截面结构。
9.一用于熔化密封剂和将密封剂供应到相邻地板块的暴露的表面之间的接缝内的热和密封剂供应焊嘴,该焊嘴包括一密封剂加热和馈送构件和一热空气传导构件,密封剂加热和馈送构件形成一中空的直线密封剂馈送管,该密封剂馈送管线性对齐地定向并相对于所述地板块的所述暴露的表面倾斜,且该密封剂馈送管具有一密封剂入口开口和一密封剂分配开口,热空气传导构件具有一连接到热空气源的热空气入口、以及一位于所述密封剂馈送管的所述密封剂分配开口后面的线性接缝预热接触边缘,多个接缝预热端口形成在所述热空气传导构件的所述接缝预热接触边缘内,所述接缝预热端口被布置成直线、线性地彼此对齐并与所述密封剂分配开口对齐,所述密封剂加热和馈送构件和所述热空气传导构件形成为分离的结构,它们互相配合并以匹配的方式固定在一起,以形成第一和第二内增压腔室的相对侧,所述第一增压腔室直接位于所述预热接触边缘上方,所述接缝预热端口位于所述第一增压腔室下游并与第一增压腔室连通有热气流,所述第一增压腔室位于所述热空气入口下游并与其连通有热空气,所述第二增压腔室位于所述密封剂馈送管附近,所述密封剂馈送管在所述第二增压腔室和所述密封剂馈送管内的密封剂之间形成一屏障,一密封剂预热用热空气供应管道形成在所述热空气传导构件内,该热空气传导构件从所述热空气入口通向一密封剂预热端口,该端口位于所述密封剂入口开口上方并物理地与所述第一和第二增压腔室隔绝。
10.如权利要求9所述的热和密封剂供应焊嘴,其特征在于,所述线性接缝预热接触边缘具有一平行于所述相邻地板块的所述暴露表面的中心带,所述线性接缝预热接触边缘的宽度不大于50mm,所述预热接触边缘具有一截头的楔形横截面结构。
11.如权利要求10所述的热和密封剂供应焊嘴,其特征在于,各个所述接缝预热端口是一直径不大于0.5mm的圆孔,并且还包括至少10个所述接缝预热端口,所述预热接触边缘的长度在2厘米和4厘米之间。
12.如权利要求11所述的热和密封剂供应焊嘴,其特征在于,还包括13个所述接缝预热端口,所述预热接触边缘的长度为3厘米。
13.如权利要求9所述的热和密封剂供应焊嘴,其特征在于,所述密封剂预热管形成为一通道,该通道所具有的下游端沿所述密封剂预热端口处的直线的线性对齐轴线而定向,以相交所述密封剂入口开口上方的所述密封剂馈送管的所述线性对齐轴线。
14.如权利要求13所述的热和密封剂供应焊嘴,其特征在于,所述密封剂预热管的所述下游端垂直于所述密封剂馈送管的所述线性对齐轴线。
15.如权利要求13所述的热和密封剂供应焊嘴,其特征在于,还包括形成在所述热空气传导构件内并从所述热空气源引出的分离的上、下和中间通道,所述下通道相交于所述第一增压腔室,所述第二增压腔室具有上、下和中间部分,所述上通道通向所述第二增压腔室的所述上部,所述中间通道通向所述第二增压腔室的所述中间部分。
16.如权利要求15所述的热和密封剂供应焊嘴,其特征在于,所述密封剂预热用热空气供应管形成为一通道,该通道所具有的下游端沿所述密封剂预热端口处的直线的线性对齐轴线定向,该线性对齐轴线相交所述密封剂入口开口上方的所述密封剂馈送管的所述线性对齐轴线,所有所述管道和所述通道由钻入到所述热空气传导构件内的圆柱形钻孔形成。
17.一用于手持地板接缝密封装置的热焊嘴,该焊嘴包括:一密封剂加热和馈送构件和一热空气传导构件,它们起初形成为分离的结构,这两个构件都具有平的匹配表面,所述诸构件中的至少一个的所述平的匹配表面构造成有增压内腔,该增压内腔具有一从所述平的匹配表面凹进的增压侧壁,所述密封剂加热和馈送构件和所述热空气传导构件固定在一起,以使所述平的匹配表面彼此面对面地接触,由此,所述热空气传导构件和所述密封剂加热和馈送构件一起形成在它们之间的第一和第二中空的增压腔室,所述热空气传导构件具有一热空气入口端,该热空气入口端带有多个内部入口空气管道,所述内部入口空气管道包括一从所述热空气入口引导到所述第一增压腔室的第一入口管,所述热空气传导构件具有一线性细长的地板接触边缘,所述地板接触边缘带有位于所述热空气入口端相对侧的前和后极端,多个内接缝预热通道形成为从所述第一增压腔室通向所述细长的地板接触边缘,由此,所述接缝预加热通道终止在位于沿所述细长地板接触边缘长度的一直线内的多个分离的空气排出端口,所述密封剂加热和馈送构件具有一结构,所述结构具有通过其间形成的一线性密封剂馈送通道,密封剂馈送通道与所述第一和第二增压腔室隔绝,密封剂馈送通道终止在相对的密封剂入口和密封剂出口开口,所述密封剂加热和馈送构件内的所述密封剂出口开口位于所述热空气传导构件内的内部空气排出端口附近,并与热空气传导构件内的内部空气排出端口的所述直线线性地对齐,并还与所述地板接触边缘的所述前极端线性地对齐,一第二空气入口管形成为从所述热空气入口端通向所述第二增压腔室,所述第二增压腔室通过所述密封剂加热和馈送构件的所述结构与所述密封剂馈送通道隔绝,一密封剂预热管形成在所述热空气传导构件内,密封剂预热管从所述热空气入口引出,终止在所述密封剂加热和馈送构件内的所述密封剂入口开口附近和其上方的密封剂预热端口处。
18.如权利要求17所述的热焊嘴,其特征在于,所述密封剂加热和馈送构件和所述热空气传导构件永久地固定在一起。
19.如权利要求17所述的热焊嘴,其特征在于,该热焊嘴仅由所述密封剂加热和馈送构件和所述热空气传导构件构成。
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