CN1325788A - 温度自控式热熔熔接装置 - Google Patents

温度自控式热熔熔接装置 Download PDF

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CN1325788A
CN1325788A CN 00115858 CN00115858A CN1325788A CN 1325788 A CN1325788 A CN 1325788A CN 00115858 CN00115858 CN 00115858 CN 00115858 A CN00115858 A CN 00115858A CN 1325788 A CN1325788 A CN 1325788A
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heat
conducting plate
heating element
thermoweld
right sides
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吴佳林
刘维德
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Weian New Building Material Co Ltd Shanghai
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Weian New Building Material Co Ltd Shanghai
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Priority to CN 00115858 priority Critical patent/CN1325788A/zh
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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
    • 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
    • B29C65/18—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated tools
    • B29C65/20—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated tools with direct contact, e.g. using "mirror"
    • 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
    • B29C66/1224—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
    • 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
    • B29C66/5223—Joining tubular articles for forming corner connections or elbows, e.g. for making V-shaped pieces
    • B29C66/52231—Joining tubular articles for forming corner connections or elbows, e.g. for making V-shaped pieces with a right angle, e.g. for making L-shaped pieces
    • 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
    • B29C66/5229—Joining tubular articles involving the use of a socket
    • B29C66/52291—Joining tubular articles involving the use of a socket said socket comprising a stop
    • B29C66/52292—Joining tubular articles involving the use of a socket said socket comprising a stop said stop being internal
    • 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
    • B29C66/816—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 mounting of the pressing elements, e.g. of the welding jaws or clamps
    • B29C66/8167—Quick change joining tools or surfaces
    • 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
    • B29L2031/24—Pipe joints or couplings
    • B29L2031/243—Elbows

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Resistance Heating (AREA)

Abstract

本发明公开了一种温度自控式热熔熔接装置,包括发热器件、左右导热板、管熔接头、配件熔接头、支架,发热器件置于左右导热板之间,管熔接头和配件熔接头分别固定于左右导热板两侧,支架固定在左右导热板两侧,发热器件采用PTC陶瓷发热体;左右导热板材料采用金属铜。该装置不需用温度控制部分来调节温度,不会造成导热板因温度过高被击穿的现象,整个装置的结构也大为简化。

Description

温度自控式热熔熔接装置
本发明涉及热熔焊接的手动工具，更具体的是指一种用于聚丙烯PP-R管与管配件之间连接、安装的温度自控式热熔熔接装置。
用聚丙烯材料制作成民用冷热水管已十分普遍，现有用于聚丙烯PP-R管与管配件之间的连接、安装的热熔装置主要包括发热器件、导热板、管熔接头、配件熔接头、温度控制部分，发热器件置于导热板之间，管熔接头和配件熔接头分别置于导热板两侧，温度控制部分与发热器件相接，以控制其温度，上述这些零部件装配在一起后成为热熔熔接装置。这种熔接装置虽然一直延用至今。但不可避免地存在着如下缺点，这就是，由于发热器件采用铜制的镍铬丝发热管，导热板是由铝合金浇铸而成且将发热管置于其内，发热管发热并传导至导热板，温度控制部分由半导体电路所构成，当发热管加热到一定温度后，温度控制部分工作，控制发热管的温度上升。这种熔接装置在长时间使用后，会造成导热板因温度过高被击穿及温度控制部分因其内的半导体电路受热老化损坏，使用寿命短、返修率高；另外，该装置由于温度控制部分的存在，显得整个装置较为复杂。
本发明的目的是针对上述传统热熔熔接装置存在的缺点，提出一种温度恒定、结构简单的温度自控式热熔熔接装置。
为了实现上述目的，本发明采用如下技术方案：该温度自控式热熔熔接装置包括发热器件、左右导热板、管熔接头、配件熔接头、支架，发热器件置于左右导热板之间，管熔接头和配件熔接头分别固定于左右导热板两侧，支架固定在左右导热板的两端，支架内穿设有与发热器件相连接的电源线，其特征在于：所述的发热器件采用PTC陶瓷发热体；所述的左右导热板材料采用金属铜。
由于本发明的熔接装置采用了PTC陶瓷发热体作为发热器件以及将左右导热板的材料采了为金属铜，而PTC陶瓷发热体升到一定的温度后就保持恒温，因此不需用再采用温度控制部分来调节温度，同时也不会造成导热板因温度过高被击穿的现象，并使得整个装置的结构也大为简化。
下面结合附图和实施例，对本发明作一详细地说明：
图1为本发明的熔接装置原理结构示意图。
图2为本发明的熔接装置结构示意图。
图3为本发明熔接装置的PTC陶瓷发热体结构示意图。
请参阅图1并配合图2、图3所示，该温度自控式热熔熔接装置包括发热器件10、左右导热板11、12、管熔接头13、配件熔接头14、支架15，发热器件10置于左右导热板11、12之间，管熔接头13和配件熔接头14分别固定于左右导热板11、12两侧，支架15固定在左右导热板11、12的两端，支架15内穿设有与发热器件10相连接的电源线。在本发明的实施例中，所述的发热器件10采用PTC陶瓷发热体。所述的左右导热板11、12的材料采用金属铜。
所述的PTC陶瓷发热体形状为片状体，PTC陶瓷发热体与导热板11、12之间设有绝缘层18、19,PTC陶瓷发热体的侧面积101与发热温度之比为大于20mm2∶1℃。也就是说(见图3)，若要使PTC陶瓷发热体的温度要达到300℃，那么，PTC陶瓷发热体的侧面积101为6000mm2以上。
请再参阅图3所示，在本发明的实施例中，所述的PTC陶瓷发热体采用六块小片状体拼接而成。六块小片状体的形状不同，但其侧面积取值大致相等。
在实际应用中，将管熔接头13、配件熔接头14分别对准管20、配件21(见图1)进行加热，并本发明的热熔装置从管20和配件21之间抽出，使管20和配件21热熔对接。

Claims (4)

1、一种温度自控式热熔熔接装置，该装置主要包括发热器件、左右导热板、管熔接头、配件熔接头、支架，发热器件置于左右导热板之间，管熔接头和配件熔接头分别固定于左右导热板两侧，支架固定在左右导热板的两端，支架内穿设有与发热器件相连接的电源线，其特征在于：所述的发热器件采用PTC陶瓷发热体；所述的左右导热板材料采用金属铜。
2、如权利要求1所述的温度自控式热熔熔接装置，其特征在于：所述的PTC陶瓷发热体形状为片状体，PTC陶瓷发热体与导热板之间设有绝缘层，PTC陶瓷发热体的侧面积与发热温度之比为大于20mm2∶1℃。
3、如权利要求2所述的温度自控式热熔熔接装置，其特征在于：所述的PTC陶瓷发热体采用六块小片状体拼接而成。
4、如权利要求3所述的温度自控式热熔熔接装置，其特征在于：所述的六块小片状体侧面积取值大致相等。
CN 00115858 2000-05-25 2000-05-25 温度自控式热熔熔接装置 Pending CN1325788A (zh)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113352520A (zh) * 2021-06-09 2021-09-07 张家港市得道电子有限公司 一种尿素管加热装置及其生产方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113352520A (zh) * 2021-06-09 2021-09-07 张家港市得道电子有限公司 一种尿素管加热装置及其生产方法

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