CN103383044A - 一种热塑性塑料管材电磁加热熔接方法 - Google Patents

一种热塑性塑料管材电磁加热熔接方法 Download PDF

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CN103383044A
CN103383044A CN2013103407725A CN201310340772A CN103383044A CN 103383044 A CN103383044 A CN 103383044A CN 2013103407725 A CN2013103407725 A CN 2013103407725A CN 201310340772 A CN201310340772 A CN 201310340772A CN 103383044 A CN103383044 A CN 103383044A
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plastic
fastening
steel
heating
plastic fastening
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夏成文
梁增红
赵满超
韩英民
吴晓芬
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JUNXING PIPE INDUSTRY Co Ltd
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JUNXING PIPE INDUSTRY Co Ltd
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/50—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
    • B29C66/52—Joining tubular articles, bars or profiled elements
    • B29C66/522—Joining tubular articles
    • B29C66/5221—Joining tubular articles for forming coaxial connections, i.e. the tubular articles to be joined forming a zero angle relative to each other
    • 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
    • B29C65/364—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 woven or non-woven fabric or being a mesh
    • 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
    • B29C65/3644—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 ribbon, band or strip
    • B29C65/3648—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 ribbon, band or strip said strip being perforated
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
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    • 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
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    • 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
    • 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
    • B29C65/78—Means for handling the parts to be joined, e.g. for making containers or hollow articles, e.g. means for handling sheets, plates, web-like materials, tubular articles, hollow articles or elements to be joined therewith; Means for discharging the joined articles from the joining apparatus
    • B29C65/7802—Positioning the parts to be joined, e.g. aligning, indexing or centring
    • B29C65/782—Positioning the parts to be joined, e.g. aligning, indexing or centring by setting the gap between the parts to be joined
    • B29C65/7823—Positioning the parts to be joined, e.g. aligning, indexing or centring by setting the gap between the parts to be joined by using distance pieces, i.e. by using spacers positioned between the parts to be joined and forming a part of the joint
    • B29C65/7829—Positioning the parts to be joined, e.g. aligning, indexing or centring by setting the gap between the parts to be joined by using distance pieces, i.e. by using spacers positioned between the parts to be joined and forming a part of the joint said distance pieces being integral 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
    • B29C65/78—Means for handling the parts to be joined, e.g. for making containers or hollow articles, e.g. means for handling sheets, plates, web-like materials, tubular articles, hollow articles or elements to be joined therewith; Means for discharging the joined articles from the joining apparatus
    • B29C65/7802—Positioning the parts to be joined, e.g. aligning, indexing or centring
    • B29C65/7832—Positioning the parts to be joined, e.g. aligning, indexing or centring by setting the overlap between the parts to be joined, e.g. the overlap between sheets, plates or web-like materials
    • 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
    • B29C65/78—Means for handling the parts to be joined, e.g. for making containers or hollow articles, e.g. means for handling sheets, plates, web-like materials, tubular articles, hollow articles or elements to be joined therewith; Means for discharging the joined articles from the joining apparatus
    • B29C65/7802—Positioning the parts to be joined, e.g. aligning, indexing or centring
    • B29C65/7835—Positioning the parts to be joined, e.g. aligning, indexing or centring by using stops
    • 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
    • B29C66/01—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
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    • 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
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    • 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
    • B29C66/1224—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 butt joint-segment
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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    • B29C66/01—General aspects dealing with the joint area or with the area to be joined
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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    • 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
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    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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    • 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
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    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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    • 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

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  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)

Abstract

本发明涉及一种热塑性塑料管材加热熔接方法，包括以下步骤：步骤1、在塑料连接件（10）内壁上形成一金属网孔层（12）；步骤2、将两根热塑性塑料管材与塑料连接件进行插接，并通过塑料连接件中的定位销（14）进行对中和定位；步骤3、将电磁感应加热线圈套在塑料连接件（10）上，通电加热；步骤4、加热至两根热塑性塑料管材与塑料连接件充分熔接后断电；步骤5、冷却定型。本发明由于将热塑性塑料管材之间或钢塑复合管材之间先行通过塑料连接件进行连接，再通过电磁加热热熔固定，改变了传统先加热后插接的模式，提高了连接的效率，同时降低了人工成本。

Description

一种热塑性塑料管材电磁加热熔接方法
技术领域
本发明涉及一种塑料管材加热熔接方法，尤其是涉及一种热塑性塑料管材或钢塑复合管材电磁加热熔接方法。
背景技术
热塑性塑料管材是高科技复合而成的化学建材，而化学建材是继钢材、木材、水泥之后，当代新兴的第四大类新型建筑材料。化学建材在我国取得了长足进步迅猛发展，尤其是新型环保塑料管材的广泛使用，掀起了一声替代传统建材的革命。塑料管材因具有水流损失小、节能、节材、保护生态、竣工便捷等优点，广泛应用于建筑给排水、城镇给排水以及燃气管等领域，成为新世纪城建管网的主力军。
现有热塑性塑料管材之间的连接方式是通过将管材连接端进行加热后进行人工插接。
现有的连接方式存在以下技术缺陷：
（1）现有连接分为两个步骤：先进行管材加热和再进行管材插接，并且插接是通过人工进行。管材加热完成的速度远远快于管材插接完成的速度，加热后的管材不能长时间暴露在空气中，所以使得需要更多的人工支出。
（2）管材加热后由于是直接暴露在空气中，容易发生氧化现象，生成氧化层容易使得管材连接处硬度下降，无法保持管材连接具有足够的强度。
发明内容
本发明设计了一种热塑性塑料管材电磁加热熔接方法，其解决的技术问题是：（1）管材加热完成的速度远远快于管材插接完成的速度，加热后的管材不能长时间暴露在空气中，所以使得需要更多的人工支出。（2）管材加热后由于是直接暴露在空气中，容易发生氧化现象，生成氧化层容易使得管材连接处硬度下降，无法保持管材连接具有足够的强度。
为了解决上述存在的技术问题，本发明采用了以下方案：
一种热塑性塑料管材加热熔接方法，包括以下步骤：步骤1、在塑料连接件（10）内壁上形成一金属网孔层（12）；步骤2、将两根热塑性塑料管材与塑料连接件进行插接，并通过塑料连接件中的定位销（14）进行对中和定位；步骤3、将电磁感应加热线圈套在塑料连接件（10）上，通电加热；步骤4、加热至两根热塑性塑料管材与塑料连接件充分熔接后断电；步骤5、冷却定型。
一种钢塑复合管材加热熔接方法，包括以下步骤：步骤1、选择带有金属层的钢塑复合管材（2、3）；步骤2、制作塑料连接件（4），所述塑料连接件（4）为一柱状体结构，其包括空腔（43）和外壁（44），所述塑料连接件（4）的一端设有左环形卡槽（41），一根钢塑复合管材（3）卡接在所述左环形卡槽（41）中；所述塑料连接件（4）的另一端设有右环形卡槽（42），另一根钢塑复合管材（2）卡接在所述右环形卡槽（42）中；步骤3、将电磁感应加热线圈套在塑料连接件（4）上，通电加热；步骤4、加热至钢塑复合管材（2、3）与塑料连接件（4）充分熔接后断电；步骤5、冷却定型。
该热塑性塑料管材或钢塑复合管材加热熔接方法与传统热塑性塑料管材或钢塑复合管材加热熔接方法相比，具有以下有益效果：
（1）本发明由于将热塑性塑料管材之间或钢塑复合管材之间先行通过塑料连接件进行连接，再通过电磁加热热熔固定，改变了传统先加热后插接的模式，提高了连接的效率，同时降低了人工成本。
（2）本发明采用先连接再加热的模式，也避免了管材的加热连接处直接暴露在空气中，减少氧化的发生，保持管材连接处的强度。
（3）本发明由于采用金属网孔层，金属网孔层发热并使得热熔后的管材会穿过金属网孔层与塑料连接件进行熔接，两根管材则通过带有金属网孔层的塑料连接件使之连接。
附图说明
图1：本发明第一种实施例中塑料连接件结构示意图；
图2：本发明第一种实施例中热塑性塑料管材之间的连接示意图；
图3：本发明第一种实施例中金属网孔层的结构示意图；
图4：本发明第二种实施例中钢塑复合管材结构示意图；
图5：本发明中第二种实施例中塑料连接件的结构示意图；
图6：本发明第二种实施例钢塑复合管材之间的连接示意图。
附图标记说明：
10—塑料连接件；11—热塑性塑料管材A；12—金属网孔层；121—网孔；13—热塑性塑料管材B；14—定位销；2—钢塑复合管材；21—外塑料层；22—第一胶合层；23—金属层；24—第二胶合层；25—内塑料层；3—钢塑复合管材；4—塑料连接件；41—左环形卡槽；42—右环形卡槽；43—空腔；44—外壁。
具体实施方式
下面结合图1至图6，对本发明做进一步说明：
实施例1：
如图1所示，在塑料连接件10的内壁上设有环形金属网孔层12，该金属网孔层12将电磁能转换为热能并使得两根热塑性塑料管材的连接处进行热熔。
如图2所示，两根热塑性塑料管材分别为热塑性塑料管材A11和热塑性塑料管材B13，热塑性塑料管材B13和热塑性塑料管材A11分别插入塑料连接件10两端，金属网孔层12固定在塑料连接件10内壁上。
塑料连接件10内壁还设有定位销14对热塑性塑料管材B13和热塑性塑料管材A11插入位置进行限定。
如图3所示，金属网孔层12上设有很多网孔121，金属网孔层12发热并使得热熔后的管材会穿过网孔121与另外一根管材进行熔接，使得两根管材可以进行充分的连接。
其工作方法如下：步骤1、在塑料连接件10内壁上形成一金属网孔层12；步骤2、将两根热塑性塑料管材与塑料连接件进行插接，并通过塑料连接件中的定位销14进行对中和定位；步骤3、将电磁感应加热线圈套在塑料连接件10上，通电加热；步骤4、加热至两根热塑性塑料管材与塑料连接件充分熔接后断电；步骤5、冷却定型。
实施例2：
如图4所示，钢塑复合管材2从外至内分别为外塑料层21、第一胶合层22、金属层23、第二胶合层24以及内塑料层25。本发明利用该钢塑复合管材2现有结构中的金属层23，通过该金属层22将电磁能转换为热能并使得两根钢塑复合管材2的连接处进行热熔。
如图5和图6所示，两根钢塑复合管材2之间需要塑料连接件4进行连接，塑料连接件4为一柱状体结构，其包括空腔43和外壁44，空腔43将两根钢塑复合管材2进行连通，外壁44连接电磁加热器。
塑料连接件4的一端设有左环形卡槽41，一根钢塑复合管材3卡接在左环形卡槽41中；塑料连接件4的另一端设有右环形卡槽42，另一根钢塑复合管材2卡接在右环形卡槽42中。
金属层22发热后将两根钢塑复合管材2、3的连接处以及塑料连接件4进行热熔，并逐渐使得一根钢塑复合管材2的外塑料层21与右环形卡槽42的外壁进行连接，内塑料层25与右环形卡槽42的内壁进行连接。同理，另外一根钢塑复合管材3的外塑料层与左环形卡槽41的外壁进行连接，内塑料层与左环形卡槽41的内壁进行连接。最终，使得两根钢塑复合管材2、3与塑料连接件4形成一牢固的一体件。
其工作方法如下：步骤1、选择带有金属层的钢塑复合管材2、3；步骤2、制作塑料连接件4，塑料连接件4为一柱状体结构，其包括空腔43和外壁44，塑料连接件4的一端设有左环形卡槽41，一根钢塑复合管材3卡接在左环形卡槽41中；塑料连接件4的另一端设有右环形卡槽42，另一根钢塑复合管材2卡接在右环形卡槽42中；步骤3、将电磁感应加热线圈套在塑料连接件4上，通电加热；步骤4、加热至钢塑复合管材2、3与塑料连接件4充分熔接后断电；步骤5、冷却定型。
该热塑性塑料管材或钢塑复合管材加热熔接方法与传统热塑性塑料管材或钢塑复合管材加热熔接方法相比，具有以下有益效果：
（1）本发明由于将热塑性塑料管材之间或钢塑复合管材之间先行通过塑料连接件进行连接，再通过电磁加热热熔固定，改变了传统先加热后插接的模式，提高了连接的效率，同时降低了人工成本。
（2）本发明采用先连接再加热的模式，也避免了管材的加热连接处直接暴露在空气中，减少氧化的发生，保持管材连接处的强度。
（3）本发明由于采用金属网孔层，金属网孔层发热并使得热熔后的管材会穿过金属网孔层与塑料连接件进行熔接，两根管材则通过带有金属网孔层的塑料连接件使之连接。
上面结合附图对本发明进行了示例性的描述，显然本发明的实现并不受上述方式的限制，只要采用了本发明的方法构思和技术方案进行的各种改进，或未经改进将本发明的构思和技术方案直接应用于其它场合的，均在本发明的保护范围内。

Claims (2)

1.一种热塑性塑料管材电磁加热熔接方法，包括以下步骤：步骤1、在塑料连接件（10）内壁上形成一金属网孔层（12）；步骤2、将两根热塑性塑料管材与塑料连接件（10）进行插接，并通过塑料连接件（10）中的定位销（14）进行对中和定位；步骤3、将电磁感应加热线圈套在塑料连接件（10）上，通电加热；步骤4、加热至两根热塑性塑料管材与塑料连接件充分熔接后断电；步骤5、冷却定型。
2.一种钢塑复合管材电磁加热熔接方法，包括以下步骤：步骤1、选择带有金属层的钢塑复合管材（2、3）；步骤2、制作塑料连接件（4），所述塑料连接件（4）为一柱状体结构，其包括空腔（43）和外壁（44），所述塑料连接件（4）的一端设有左环形卡槽（41），一根钢塑复合管材（3）卡接在所述左环形卡槽（41）中；所述塑料连接件（4）的另一端设有右环形卡槽（42），另一根钢塑复合管材（2）卡接在所述右环形卡槽（42）中；步骤3、将电磁感应加热线圈套在塑料连接件（4）上，通电加热；步骤4、加热至钢塑复合管材（2、3）与塑料连接件（4）充分熔接后断电；步骤5、冷却定型。
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Application publication date: 20131106