CN1050045A - 弹簧坯料加热的工艺及装置 - Google Patents

弹簧坯料加热的工艺及装置 Download PDF

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CN1050045A
CN1050045A CN90107897A CN90107897A CN1050045A CN 1050045 A CN1050045 A CN 1050045A CN 90107897 A CN90107897 A CN 90107897A CN 90107897 A CN90107897 A CN 90107897A CN 1050045 A CN1050045 A CN 1050045A
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spring
medium frequency
frequency induction
heating
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CN1030334C (zh
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李家骥
王海东
刘复元
谭子渝
晋华钧
郭居孝
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South Huiton Co Ltd
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GUIYANG ROLLING STOCK PLANT MI
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Abstract

本发明提供了一种弹簧坯料加热的工艺及装置, 它是利用多组中频感应加热器对弹簧坯料进行运动 式连续加热,使弹簧坯料一般能在20-35秒左右达 到卷制所需温度,本工艺的装置特别适用于加工 16mm-30mm的弹簧坯料,具有耗能低,加工速度 快、质量好的特点,同时能满足批量生产的需要改善 了生产环境。

Description

本发明属于热加工技术,是一种采用中频感应技术制造弹簧的工艺及装置。
目前的弹簧制造特别是对直径大,长度长的弹簧制造一般是采用火焰加热或是电炉、电接触加热的方式对坯料加热后卷制而成的,但这类技术加工时间长,耗能大且加工时易产生氧化皮等,产品质量不易稳定。
本发明的目的在于利用中频感应技术来设制一种加热工艺及装置,从而使坯料加热的质量稳定,提高加热速度,降低耗能指标。
本发明是这样构成的:利用多组中频感应加热器对弹簧坯料进行连续加热,将弹簧坯料从加热装置的入口端送入,在传送机构的传送下,坯料向出口端运动,运动过程中坯料要穿过二组以上(含二组)的中频感应加热器,每穿过一组中频感应加热器则坯料温度就被升高直至从最后一组中频感应加热器出来之后坯料的温度可以达到能被卷制所需的温度,每组中频感应加热器的线圈可以独立也可以互相并联工作,其目的是改变加热的温度和加热的速度。为了实现该工艺,本发明还设计了一种装置,这种装置有二组以上(含二组)的中频感应加热器<1>,传送机构<2>,中频感应加热器<1>和传送机构<2>被一一分别安装在机体<3>上,中频感应加热器<1>连接电热电容器<4>和中频接触器<5>及变频机<6>,便于控制操作,传送机构<2>有无级调速电机<7>,托轮<8>及传送链<9>,传送链<9>连接了托轮<8>和无级调速电机<7>,在本发明中中频感应加热器<1>可采用常规制作方法制作,该装置适合于加工直径为16mm-30mm的弹簧坯料,在加工此类尺寸的弹簧坯料时,该装置的电流频率为8000Hz,以在机体<3>上顺序安装5-7组中频感应加热器<1>为最佳,中频感应加热器<1>中的衬料<11>可采用碳化硅管,每组中频感应加热器<1>的线圈有一组交叉触点<10>。
附图1为本发明的工艺装置示意图。
本发明的实施例:将五组感应加热器安装在机体上,从机体入口端到出口端五组感应加热器的线圈匝数分别为20匝、20匝、26匝、20匝、20匝,线圈为14×12×1.5异型方紫铜管绕制而成。加热器由变频机组控制,在机体上,安置好无级调速电机,托轮和传送链。使用时,将一根直径为26毫米,长为2.7米的坯料放置在机体的入口端。托轮上,在传送链传送下,坯料向感应加热器运动,并穿过感应加热器,通过五组感应加热器的温度分别为300℃、600℃最后达到900℃,这时立即送入卷制机卷制,这样就完成了卷制弹簧的工艺,完成该工艺前后只需20-30秒。
本发明加工的弹簧受热均匀、质量好、而且加工速度快、耗能小。

Claims (4)

1、一种弹簧坯料加热的工艺、其特征在于:利用多组中频感应加热器对弹簧坯料进行连续加热,即:将弹簧坯料从加热装置的入口端送入,在传送机构的传送下,坯料向出口端运动,运动过程中坯料至少要穿过二组以上(含二组)的中频感应加热器进行加热;
2、按照权利要求1所述的弹簧坯料加热的工艺,其特征在于:每组中频感应加热器的线圈可以独立也可以互相并联工作。
3、一种弹簧坯料加热的装置,其特征在于它有二组以上(含二组)的中频感应加热器<1>,传送机构<2>;中频感应加热器<1>和传送机构<2>一一分别安装在机体<3>上,中频感应加热器<1>连接在电热电容器<4>和中频接触器<5>及变频机<6>上,传送机构<2>有无级调速电机<7>、托轮<8>及传送链<9>,传送链<9>连接了托轮<9>和无级调速电机<7>;
4、按照权利要求3所述的弹簧坯料加热的装置,其特征在于:中频感应加热器<1>中的衬料<11>可选用碳化硅管,每组中频感应加热器<1>的线圈有一组交叉触点<10>。
CN90107897A 1990-09-18 1990-09-18 弹簧坯料加热的装置 Expired - Lifetime CN1030334C (zh)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103649346A (zh) * 2011-07-28 2014-03-19 杰富意钢铁株式会社 钢板的加热方法以及加热装置
CN104694732A (zh) * 2015-03-20 2015-06-10 江苏金基特钢有限公司 钢丝感应加热装置

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103649346A (zh) * 2011-07-28 2014-03-19 杰富意钢铁株式会社 钢板的加热方法以及加热装置
CN103649346B (zh) * 2011-07-28 2016-08-17 杰富意钢铁株式会社 钢板的加热方法以及加热装置
CN104694732A (zh) * 2015-03-20 2015-06-10 江苏金基特钢有限公司 钢丝感应加热装置

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