CN201636870U - 钢坯火焰切割嘴 - Google Patents

钢坯火焰切割嘴 Download PDF

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CN201636870U
CN201636870U CN2010201836408U CN201020183640U CN201636870U CN 201636870 U CN201636870 U CN 201636870U CN 2010201836408 U CN2010201836408 U CN 2010201836408U CN 201020183640 U CN201020183640 U CN 201020183640U CN 201636870 U CN201636870 U CN 201636870U
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cutting
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oxygen
cutting nozzle
core
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王华英
王爱英
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HEBEI YUJIAN ENERGY-SAVING TECHNOLOGY Co Ltd
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Abstract

本实用新型公开一种钢坯火焰切割嘴,用于钢铁厂的钢坯切割分段,属切割工具类。其组成是在切割嘴套上装配切割嘴芯,其中切割嘴套上有配装孔,外表面是对接螺纹,一端是螺头;切割嘴芯上有切割氧进孔,外表面有预热氧孔和一端的预热氧槽。解决了目前钢铁厂切割钢坯,所用传统切割工具进氧孔分布面积大、火焰喷射分散的问题。它具有进氧布孔集中、火焰喷射面小的特点,提高了切割温度、切割速度和氧气利用率,切割缝隙窄、节约钢材。

Description

钢坯火焰切割嘴
技术领域    本实用新型设计一种钢坯火焰切割嘴,用于钢铁厂生产钢坯切割分段,属切割工具类。
背景技术    目前,钢铁厂钢坯切割所用工具,是传统的圆柱带螺头于一体,沿其横向中心是切割氧进孔,外围即是预热氧孔。它虽在钢坯的切割中发挥了较大的作用,但往往由于上述两孔在其体身分布面积大而散,再说氧气是直通出入无缓冲空间,因此火焰喷射分散,造成切割温度低,切割速度慢,费气氧气利用率低。同时钢坯切割缝隙宽,浪费钢材。
实用新型内容  本实用新型的目的就是为人们提供一种钢坯火焰切割嘴,它能使切割钢坯时火焰集中、切割缝小,是理想的火焰切割工具。
本实用新型的目的通过以下技术措施来实现:
包括切割嘴套、切割氧进孔、预热氧孔组成,是在切割嘴套上的嘴芯配装孔内装配切割嘴芯,其中在切割嘴套上沿其横向有嘴芯配装孔,并围其外表面有对接螺纹,一端是螺头,在切割嘴芯上沿其横向有切割氧进孔,围外表面有凸台,凸台上有预热氧孔,一端开有预热氧槽与预热氧孔同向。
所述凸台是直径前小后大的圆柱形,围其圆预热氧孔均匀分布。
所述预热氧槽围切割嘴芯外围均匀分布呈圆台形状。
所述嘴芯配装孔呈圆柱连圆台形状。
本实用新型的优点,是由切割嘴芯装在切割嘴套内两部分组成,而嘴芯上切割氧进孔、预热氧孔和预热氧槽与切割嘴套组合后布孔面小,当氧气进入孔内时有缓冲空间,使火焰集中喷射面小,提高了切割温度、切割速度和氧气利用率,切割缝隙窄,节约钢材。
附图说明    以下将结合附图对本实用新型作详细说明:
图1是本实用新型切割嘴套与嘴芯组装示意图。
图2是本实用新型图1右视示意图。
图3是本实用新型图1A-A向示意图。
图4是本实用新型图1左视示意图。
具体实施方式
由图1-4所示,包括切割嘴套3、切割氧进孔8、预热氧孔7组成,其是在切割嘴套3上嘴芯配装孔4内装配切割嘴芯5,其中在切割嘴套3上沿其横向有嘴芯配装孔4,该孔呈圆柱连圆台形状,围切割嘴套3外表面有对接螺纹2,一端是螺头1;在切割嘴芯5上沿其横向有切割氧进孔8,外表面有直径前小后大的圆柱形凸台9,围其圆有预热氧孔7均匀分布,一端开有预热氧槽6,围切割嘴芯5外圆均匀分布呈圆台形状,该槽6与预热氧孔7同方向设置。

Claims (4)

1.一种钢坯火焰切割嘴,包括切割嘴套(3)、切割氧进孔(8)、预热氧孔(7)组成,其特征是在切割嘴套(3)上的嘴芯配装孔(4)内装配切割嘴芯(5),其中在切割嘴套(3)上沿其横向有嘴芯配装孔(4),并围外表面有对接螺纹(2),一端是螺头(1),在切割嘴芯(5)上沿其横向有切割氧进孔(8),围外表面有凸台(9),凸台(9)上有预热氧孔(7),一端开有预热氧槽(6)与预热氧孔(7)同向。
2.根据权利要求1所述的钢坯火焰切割嘴,其特征是凸台(9)是直径前小后大的圆柱形,围其圆预热氧孔(7)均匀分布。
3.根据权利要求1所述的钢坯火焰切割嘴,其特征是预热氧槽(6)围切割嘴芯(5)外围均匀分布呈圆台形状。
4.根据权利要求1所述的钢坯火焰切割嘴,其特征是嘴芯配装孔(4)呈圆柱连圆台形状。
CN2010201836408U 2010-05-05 2010-05-05 钢坯火焰切割嘴 Expired - Fee Related CN201636870U (zh)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102335732A (zh) * 2011-07-12 2012-02-01 陈寅明 一种连铸割嘴
CN103712214A (zh) * 2012-10-05 2014-04-09 青岛国胜焊割设备有限公司 一种套式割嘴

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102335732A (zh) * 2011-07-12 2012-02-01 陈寅明 一种连铸割嘴
CN103712214A (zh) * 2012-10-05 2014-04-09 青岛国胜焊割设备有限公司 一种套式割嘴

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Address before: 056038 29-2-11, Hebei University of Engineering, Guangming South Street, Hebei, Handan

Co-patentee before: Wang Aiying

Patentee before: Wang Huaying

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Granted publication date: 20101117

Termination date: 20190505