CN110030449B - 一体式接头管口不锈钢波纹软管的加工方法 - Google Patents

一体式接头管口不锈钢波纹软管的加工方法 Download PDF

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CN110030449B
CN110030449B CN201910354739.5A CN201910354739A CN110030449B CN 110030449 B CN110030449 B CN 110030449B CN 201910354739 A CN201910354739 A CN 201910354739A CN 110030449 B CN110030449 B CN 110030449B
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pipe body
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黄辉
许良坤
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Zhejiang Water Resources Technology Co ltd
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23PMETAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P15/00Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L19/00Joints in which sealing surfaces are pressed together by means of a member, e.g. a swivel nut, screwed on or into one of the joint parts
    • F16L19/02Pipe ends provided with collars or flanges, integral with the pipe or not, pressed together by a screwed member
    • F16L19/0212Pipe ends provided with collars or flanges, integral with the pipe or not, pressed together by a screwed member using specially adapted sealing means
    • F16L19/0218Pipe ends provided with collars or flanges, integral with the pipe or not, pressed together by a screwed member using specially adapted sealing means comprising only sealing rings
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L19/00Joints in which sealing surfaces are pressed together by means of a member, e.g. a swivel nut, screwed on or into one of the joint parts
    • F16L19/02Pipe ends provided with collars or flanges, integral with the pipe or not, pressed together by a screwed member
    • F16L19/025Pipe ends provided with collars or flanges, integral with the pipe or not, pressed together by a screwed member the pipe ends having integral collars or flanges
    • F16L19/028Pipe ends provided with collars or flanges, integral with the pipe or not, pressed together by a screwed member the pipe ends having integral collars or flanges the collars or flanges being obtained by deformation of the pipe wall
    • F16L19/0286Pipe ends provided with collars or flanges, integral with the pipe or not, pressed together by a screwed member the pipe ends having integral collars or flanges the collars or flanges being obtained by deformation of the pipe wall and being formed as a flange
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L33/00Arrangements for connecting hoses to rigid members; Rigid hose connectors, i.e. single members engaging both hoses
    • F16L33/18Arrangements for connecting hoses to rigid members; Rigid hose connectors, i.e. single members engaging both hoses characterised by the use of additional sealing means
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L33/00Arrangements for connecting hoses to rigid members; Rigid hose connectors, i.e. single members engaging both hoses
    • F16L33/26Arrangements for connecting hoses to rigid members; Rigid hose connectors, i.e. single members engaging both hoses specially adapted for hoses of metal

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Abstract

本发明公开了一体式接头管口不锈钢波纹软管的加工方法,包括管体,管体外包覆有PVC外套、并在管体两端设置有将PVC外套固定的钢套;管体的两端分别设置有一体的光管接口,光管接口的自由端设置有一体的安装翻边,光管接口通过安装翻边连接有接头组件,接头组件包括格林螺丝、橡胶圈和六角螺帽,格林螺丝套在光管接口处并与安装翻边抵接形成定位固定,六角螺帽与格林螺丝拧接,橡胶圈设置在六角螺帽内并与安装翻边抵接。本发明使不锈钢波纹软管两端的光管接口与其为一体结构,提高不锈钢波纹软管的使用寿命,提高生产效率、降低生产加工成本。

Description

一体式接头管口不锈钢波纹软管的加工方法
技术领域
本发明涉及不锈钢波纹软管技术领域,尤其涉及一种一体式接头管口不锈钢波纹软管的加工方法。
背景技术
不锈钢波纹软管具有柔性好、耐高温、耐腐蚀、承压较高的特点,因此在生活中各行业得到广泛运用。不锈钢波纹软管在使用的过程中需要在其两端安装活接接头,在安装活接接头这一段通常要设置为光管接口,现有市场上的不锈钢波纹软管是将不锈钢波纹软管裁切成市场上需要的不同长度规格,然后采用焊接的方式,在裁切后不同长度的不锈钢波纹软管两端后期焊接上安装活接接头的光管接口;然而采用焊接方式的过程中会产生大量的热,致使焊接部位的形状变化及热力集中,从而降低了产品连接的机械强度,导致不锈钢波纹软管的使用寿命短。
发明内容
本发明为解决以上缺陷提供一种一体式接头管口不锈钢波纹软管的加工方法,使不锈钢波纹软管两端的光管接口与其为一体结构,提高不锈钢波纹软管的使用寿命。
为解决上述技术问题,本发明的技术方案为:一体式接头管口不锈钢波纹软管的加工方法,包括管体,管体外包覆有PVC外套、并在管体两端设置有将PVC外套固定的钢套,所述管体的两端分别设置有一体的光管接口,所述光管接口的自由端设置有一体的安装翻边,光管接口通过安装翻边连接有接头组件,所述接头组件包括格林螺丝、橡胶圈和六角螺帽,格林螺丝套在光管接口处并与安装翻边抵接形成定位固定,六角螺帽与格林螺丝拧接,橡胶圈设置在六角螺帽内并与安装翻边抵接;
上述结构的加工方法包括以下步骤:
1、将管体端部前5个波放入高频机感应加热铜圈内,等高频机感应温度升到500摄氏度进行淬火处理,一头淬火后再换另一头重复进行;
2、淬火后的管体第1波和第6波放入机床拉伸夹具中定位固定进行第1道微拉平,接着重复进行另一头;
3、将管体第6、7、8波放入机床拉平夹具卡槽中进行固定,然后用机床上的拉平滚杆伸入管体内孔中;机床带动拉平夹具进行周向转动走位,从而通过拉平滚杆的拉平头部从管体第5波开始向第1波口部滚拉平,然后重复进行另一头;如图4所示为口部滚拉平的示意图;
4、由机床铣刀将管体两端口部切平;此时与管体一体的光管接口形成;
5、对管体切平后的两端进行固溶和亮化处理,此处完成管体两端部光管接口的加工;
6、在管体两端进行密封,其中一端可以进行进气,密封试验采用0.3MPa气压,持续30s,在试验持续时间内,其密封处最大允许泄漏量是0个气泡;
7、试压合格后将PVC外套套在管体上;
8、将钢套安装在PVC外套的两端部,然后放机床内进行两头钢套收紧;
9、将格林螺丝套入管体的光管接口上,然后一起放入机床压边夹具中且光管接口外留4mm长度,再用压边滚杆伸入管体内孔中;机床带动压边夹具中的管体周向转动,从而通过压边滚杆的压边头部在光管接口外留4mm处形成环形外凸环鼓;在环形外凸环鼓形成后机床带动压边滚杆继续伸入管体中,在伸入移动的过程中压边滚杆上的环形压边台阶对光管接口的端部施力顶压,光管接口的环形外凸环鼓受力被压扁形成安装翻边;然后重复进行另一头;
10、在光管接口处的安装翻边完成后再次进行步骤6密封试验;
11、在气密性测试完成后将橡胶圈安装到六角螺帽中、将六角螺帽与格林螺丝拧接。
本发明具有以下有益效果:
本发明使光管接口与不锈钢波纹软管为一体结构,替代传统焊接的方法,从而避免焊接结构使不锈钢波纹软管与光管接口连接处容易断裂、泄漏的弊端;增强了不锈钢波纹软管接头组件连接处在使用过程中所能承受的张力、以及不锈钢波纹软管整体的机械强度,进一步提高了不锈钢波纹软管的使用寿命。
本发明加工生产的各步骤可以分产线分步加工完成、机械化程度高,适合产线批量生产;与焊接结构加工操作相比,不仅可以显然提高生产效率、而且机械化生产质量可靠且成本低。
附图说明
图1是本发明加工步骤1的示意图;
图2是本发明加工步骤2的示意图;
图3是本发明加工步骤3的示意图;
图4是本发明加工步骤3的示意图;
图5是本发明加工步骤4的示意图;
图6是本发明加工步骤6的示意图;
图7是本发明加工步骤7的示意图;
图8是本发明加工步骤8的示意图;
图9是本发明加工步骤9的示意图;
图10是本发明加工步骤9的示意图;
图11是本发明加工步骤9的示意图;
图12是本发明加工步骤10的示意图;
图13是本发明加工步骤11的示意图(亦是本发明加工完成后的结构图)。
具体实施方式
结合附图对本发明作进一步的阐述。
请参阅图1至图13,本发明提供一体式接头管口不锈钢波纹软管的加工方法,包括管体1,管体1外包覆有PVC外套2、并在管体1两端设置有将PVC外套2固定的钢套3,所述管体1的两端分别设置有一体的光管接口4,所述光管接口4的自由端设置有一体的安装翻边5,光管接口4通过安装翻边5连接有接头组件,所述接头组件包括格林螺丝6、橡胶圈7和六角螺帽8,格林螺丝6套在光管接口4处并与安装翻边5抵接形成定位固定,六角螺帽8与格林螺丝6拧接,橡胶圈7设置在六角螺帽8内并与安装翻边5抵接;
上述结构的加工方法包括以下步骤:
1、如图1所示,将管体1端部前5个波放入高频机感应加热铜圈9内,等高频机感应温度升到500摄氏度进行淬火处理,一头淬火后再换另一头重复进行;
2、如图2所示,淬火后的管体1第1波和第6波放入机床拉伸夹具10中定位固定进行第1道微拉平,接着重复进行另一头;
3、如图3所示,将管体1第6、7、8波放入机床拉平夹具11卡槽中进行固定,然后用机床上的拉平滚杆12伸入管体1内孔中;机床带动拉平夹具11进行周向转动走位,从而通过拉平滚杆12的拉平头部12-1从管体1第5波开始向第1波口部滚拉平,然后重复进行另一头;如图4所示为口部滚拉平的示意图;
4、如5图所示,由机床铣刀将管体1两端口部切平;此时与管体一体的光管接口4形成;
5、对管体1切平后的两端进行固溶和亮化处理,此处完成管体1两端部光管接口4的加工;
6、如图6所示,在管体1两端进行密封,其中一端可以进行进气,密封试验采用0.3MPa气压,持续30s,在试验持续时间内,其密封处最大允许泄漏量是0个气泡;
7、如图7所示,试压合格后将PVC外套2套在管体1上;
8、如图8所示,将钢套3安装在PVC外套2的两端部,然后放机床内进行两头钢套3收紧;
9、如图9所示,将格林螺丝6套入管体1的光管接口4上,然后一起放入机床压边夹具13中且光管接口4外留4mm长度,再用压边滚杆14伸入管体1内孔中;如图10所示,机床带动压边夹具中的管体1周向转动,从而通过压边滚杆14的压边头部14-1在光管接口4外留4mm处形成环形外凸环鼓15;如图11所示,在环形外凸环鼓15形成后机床带动压边滚杆14继续伸入管体1中,在伸入移动的过程中压边滚杆14上的环形压边台阶14-2对光管接口4的端部施力顶压,光管接口4的环形外凸环鼓15受力被压扁形成安装翻边5;然后重复进行另一头;
10、如图12所示,在光管接口4处的安装翻边5完成后再次进行步骤6密封试验;
11、如图13所示,在气密性测试完成后将橡胶圈7安装到六角螺帽8中、将六角螺帽8与格林螺丝6拧接。
上述加工步骤中的拉伸夹具、拉平夹具以及压边夹具分别为对称的两块模具块对接组成的。
以上对本发明实施例所提供的一体式接头管口不锈钢波纹软管的加工方法进行了详细介绍,本文中应用了具体个例对本发明的原理及实施方式进行了阐述,以上实施例的说明只是用于帮助理解本发明所揭示的技术方案;同时,对于本领域的一般技术人员,依据本发明的思想,在具体实施方式及应用范围上均会有改变之处,综上所述,本说明书内容不应理解为本发明的限制。

Claims (1)

1.一体式接头管口不锈钢波纹软管的加工方法,包括管体,管体外包覆有PVC外套、并在管体两端设置有将PVC外套固定的钢套;所述管体的两端分别设置有一体的光管接口,所述光管接口的自由端设置有一体的安装翻边,光管接口通过安装翻边连接有接头组件,所述接头组件包括格林螺丝、橡胶圈和六角螺帽,格林螺丝套在光管接口处并与安装翻边抵接形成定位固定,六角螺帽与格林螺丝拧接,橡胶圈设置在六角螺帽内并与安装翻边抵接;其特征在于:加工方法包括以下步骤:
(1)、将管体端部前5个波放入高频机感应加热铜圈内,等高频机感应温度升到500摄氏度进行淬火处理,一头淬火后再换另一头重复进行;
(2)、淬火后的管体第1波和第6波放入机床拉伸夹具中定位固定进行第1道微拉平,接着重复进行另一头;
(3)、将管体第6、7、8波放入机床拉平夹具卡槽中进行固定,然后用机床上的拉平滚杆伸入管体内孔中;机床带动拉平夹具进行周向转动走位,从而通过拉平滚杆的拉平头部从管体第5波开始向第1波口部滚拉平,然后重复进行另一头;
(4)、由机床铣刀将管体两端口部切平;此时与管体一体的光管接口形成;
(5)、对管体切平后的两端进行固溶和亮化处理,此处完成管体两端部光管接口的加工;
(6)、在管体两端进行密封,其中一端可以进行进气,密封试验采用0.3MPa气压,持续30s,在试验持续时间内,其密封处最大允许泄漏量是0个气泡;
(7)、试压合格后将PVC外套套在管体上;
(8)、将钢套安装在PVC外套的两端部,然后放机床内进行两头钢套收紧;
(9)、将格林螺丝套入管体的光管接口上,然后一起放入机床压边夹具中且光管接口外留4mm长度,再用压边滚杆伸入管体内孔中;机床带动压边夹具中的管体周向转动,从而通过压边滚杆的压边头部在光管接口外留4mm处形成环形外凸环鼓;在环形外凸环鼓形成后机床带动压边滚杆继续伸入管体中,在伸入移动的过程中压边滚杆上的环形压边台阶对光管接口的端部施力顶压,光管接口的环形外凸环鼓受力被压扁形成安装翻边;然后重复进行另一头;
(10)、在光管接口处的安装翻边完成后再次进行步骤6密封试验;
(11)、在气密性测试完成后将橡胶圈安装到六角螺帽中、将六角螺帽与格林螺丝拧接。
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