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1. 发明公开

EP2103370A1 Apparatus for shearing hollow cylindrical bodies 有权
标题翻译： Vorrichtung zum Abscheren von zylindrischenKörpern
公开(公告)号：EP2103370A1
公开(公告)日：2009-09-23
申请号：EP08425166.9
申请日：2008-03-17
申请人： Martinenghi S.r.l.
发明人： Messa, Giovanni, c/o Martinenghi S.r.l.
IPC分类号： B23D21/14
CPC分类号： B23D31/001
摘要： Apparatus for shearing hollow cylindrical bodies having a substantially circular section, of the type comprising a frame (1), at least one supporting cylinder (4) to bear a hollow cylindrical body, at least one blade (27) and one counter-blade (5) externally and internally associated, or vice versa, to said hollow cylindrical body, and wherein such a blade or counter-blade (5) is constrained to the afore said supporting cylinder, at least one annular swarf ejection assembly comprising at least one ejector (17) shiftable relatively to at least one supporting cylinder (4), as well as a device (3, 21) for rotationally operating, around the axis of said supporting cylinder (4), said at least one blade (27) relatively to said hollow cylindrical body, or vice versa, and a mechanism (12, 15, 16, 31) to shiftingly operate said at least one ejector (17) along a direction parallel to the axis of said at least one supporting cylinder (4). Advantageously the afore said ejection assembly comprises means (13, 14, 18, 19, 24, 25, 26, 33) to reversibly expand, along a direction substantially incident to the axis of the supporting cylinder (4), at least part of the engaging surface of said annular swarf in proximity of the blade or counter-blade constrained to said supporting cylinder (4).
摘要翻译：用于剪切具有基本上圆形截面的中空圆柱体的装置，其类型包括框架（1），至少一个支撑圆筒（4），以支撑中空圆柱体，至少一个叶片（27）和一个反叶片 5）外部和内部相关联或反之亦然地连接到所述中空圆柱形主体，并且其中这种叶片或反向叶片（5）被约束到上述支撑圆筒，至少一个环形切屑喷射组件包括至少一个喷射器（17）可相对于至少一个支撑筒（4）移位，以及用于围绕所述支撑筒（4）的轴线旋转地操作的装置（3,21），所述至少一个叶片（27）相对于所述中空圆柱体或反之亦然，以及沿着平行于所述至少一个支撑圆柱体（4）的轴线的方向移动地操作所述至少一个喷射器（17）的机构（12,15,16,31）。有利地，上述喷射组件包括沿基本上入射到支撑圆柱体（4）的轴线的方向可逆地扩展的装置（13,14,18,19,24,25,26,33），至少部分所述环形切屑的接合面靠近所述支撑圆筒（4）的叶片或反叶片。

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