Ejection small cam for fastener machine

纽扣机用顶出小凸轮

Abstract

The invention relates to an ejection small cam for a fastener machine. The ejection small cam comprises a left platform, a right arc-shaped inclined surface as well as a left fixed hole and a right fixed hole which are respectively arranged on the left platform and the right arc-shaped inclined surface, wherein the right arc-shaped inclined surface and a thimble work together for butting and ejecting fasteners; and the left fixed hole and the right fixed hole are used for fixing the bottom surface of the small cam to an ejection central rod of a fastener machine. The invention has the beneficial effects that: the ejection small cam is in a semi-circle shape, and an arc-shaped surface is arranged at the centre, thus the thimble and parts of the whole machine are difficult to damage, the production efficiency is improved, and the enterprise benefit is improved. The small cam is only provided with a right arc-shaped inclined surface, and the right arc-shaped inclined surface and the thimble can work together in a coordinated way for butting and ejecting fasteners.
一种纽扣机用顶出小凸轮,包括:左平台;右弧形斜面,右弧形斜面与顶针相配合工作,用于对接纽扣和甩出纽扣;在左平台和右弧形斜面上分别设有左、右固定孔,用于将小凸轮的底面与纽扣机顶出中心杆固定。本发明的有益效果为,由于该顶出小凸轮为半圆状,在中心处设有弧面,从而不容易损坏顶针和整台机器的零部件,提高了生产效率,提高了企业效益。小凸轮仅设有一右弧形斜面,从而可与顶针协调工作,实现纽扣的对接和甩出。

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