Polishing wheel expansion assembly for lathe

一种车床用抛光砂轮扩展组件

Abstract

The invention relates to a polishing wheel expansion assembly for a lathe. The polishing wheel expansion assembly comprises a clamping block, a connecting support, a polishing wheel and a driving mechanism. The clamping block is installed on a tool rest of the lathe. The connecting support comprises a rotating support and a pressing support, a rotating rod is arranged on one side of the rotating support, the rotating support is connected with the clamping block in a rotating mode through the rotating rod, the pressing support is fixed to the rotating support and comprises two floating assemblies, each floating assembly comprises a guide rail frame, a sliding block is arranged in each guide rail frame, and one side of each sliding block is elastically connected with the axial end of the corresponding guide rail frame. The two sides of the polishing wheel are connected with the sliding blocks in a rotating mode. The driving mechanism comprises a power source, an adapter block is arranged on a rotating shaft of the polishing wheel, a closed annular gear rack is coaxially arranged on the polishing wheel, a power input shaft is connected to the adapter block in a rotating mode, a gear meshed with the annular gear rack is arranged on the power input shaft, and the power source is connected with the power input shaft through a universal flexible shaft.
本发明涉及一种车床用抛光砂轮扩展组件,包括装夹块、连接支架、抛光砂轮和驱动机构,装夹块安装在车床的刀架上;连接支架包括转动支架和压紧支架,转动一侧设置有一个转动杆,转动支架通过转动杆与装夹块转动连接,压紧支架固定在转动支架上,压紧支架包括两个浮动组件,浮动组件包括导轨框,在导轨框内设置有一个滑动块,滑动块一侧与导轨框的轴向端部弹性连接;抛光砂轮的两侧与滑动块转动连接;驱动机构包括一个动力源,在抛光砂轮的转动轴上设置有一个转接块,抛光砂轮上同轴设置有封闭的环形齿条,在转接块上转动连接有一个动力输入轴,在动力输入轴上设置有一个与环形齿条啮合的齿轮,动力源与动力输入轴之间通过万向软轴连接。

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