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首頁 >> 新聞中心

大型電機模具導柱拆卸改進

來源:www.mzlzsj.com 發布時間:2018年10月18日

大型電機模具每沖裁5萬片時需要對模具上、下模刃口用平面磨床進行刃磨,以保持模具刃口鋒利,進而保證沖片質量。在刃磨下模刃口時,由于導柱高于下模刃口面,必須將導柱拆卸后再刃磨。本改進對導柱拆卸方法進行了改進,可節約拆卸導柱時間92%,模具刃磨時間僅為原來15%。在節約時間的同時,操作安全性也大幅提高。

1.改進前結構

通常在拆卸導柱時,先用內六角扳手將導柱壓緊螺釘拆卸、取出導柱壓板,然后用銅棒敲擊導柱下平面,使導柱與襯套分離,取出導柱(見圖1~圖4)。



2.改進前缺點

(1)拆卸導柱用銅棒敲擊導柱下平面時,為便于操作,須先將電機模具下模座底面與地面呈90°夾角。

(2)模具較大時需用天車配合,所以操作費時繁瑣。

(3)用銅棒敲擊導柱底面時,容易敲上襯套,使襯套磕傷。

(4)敲擊時容易使操作者手部受傷。

3.改進后的結構與拆卸原理

改進后,在下模座導柱孔上增加了帶缺口(頂板通過缺口放入環形槽)的環形槽,并加工出頂板(見圖5)。

在拆卸導柱時,將頂板從模座導柱孔下方的缺口放入模座的環形槽里,旋轉90°卡在環形槽里,再將內六角扳手通過頂板中心的圓孔將導柱壓緊螺釘擰出(逆時針)。當導柱壓緊螺釘與頂板接觸后,繼續旋轉導柱壓緊螺釘,此時導柱在螺釘的旋轉力作用下,使導柱和襯套分離,導柱拆卸完成,如圖6所示。

4.改進的優點及效益

改進后拆卸導柱時,通過反向旋轉導柱,壓緊螺釘就可使導柱和襯套分離,不用對電機模具進行翻轉,并且省略了傳統拆卸時通過敲擊使導柱和襯套分離,從而避免了敲擊導致的對導柱、襯套的磕碰,也避免了敲擊帶來的對操作者安全隱患(見圖7)。通過統計核算,該項改進在大型電機模具模具的全壽命周期內,可節約成本5萬元。每年可為公司創造效益約50余萬元。

通過改進,模具刃磨、修理拆卸導柱用時僅5min,人身傷害事故由以前敲擊拆卸時每年平均4起降低為0,導向系統傷害由每年7起降低為0。

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国产黑料吃瓜51吃瓜免费观看_上课时突然将跳D遥控器开到最大_4ayy私人影院_草莓丝瓜向日葵黄瓜榴莲IOS_灌牛奶CAO哭男男腐纯肉打屁股_色戒无删减版重映引关注_五十路熟妇专区_清宫性史之名妓风流_乐可全文免费阅读在线笔趣阁_久久婷五月丁香色啪网_久章草在线视频免费观看

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