Tightening machine

The utility model provides a tightening machine which comprises a fixed disc, a plurality of gear discs and a radial sliding plate, each gear disc is rotatably installed on one side of the fixed disc, and each gear disc is provided with an eccentrically-arranged tightening shaft installation hole. The radial sliding plates are located between every two adjacent gear discs in the multiple gear discs, the radial sliding plates are movably installed on the fixed disc in the radial direction of the fixed disc, and tightening shaft installation holes are formed in the radial sliding plates; the tightening shaft mounting holes in the multiple gear discs and the tightening shaft mounting holes in the radial sliding plate are concyclic. The device is simple in structure, convenient to operate and capable of improving the production takt and reducing the number of devices. 本实用新型提供的一种拧紧机，包括：固定盘、多个齿轮盘和径向滑板，每个所述齿轮盘可转动的安装在所述固定盘一侧，每个所述齿轮盘上均开设有偏心布置的拧紧轴安装孔；径向滑板位于多个所述齿轮盘中的相邻两个齿轮盘之间，所述径向滑板沿所述固定盘的径向可移动的安装在所述固定盘上，所述径向滑板上开设有拧紧轴安装