Handle anti-loosening device for cutting machine

The utility model relates to a handle anti-loosening device for a cutting machine, which can effectively prevent a handle and a carriage device from loosening during use, and comprises a handle and a carriage, the handle is hinged with the carriage through a bolt, the front end of the handle is provided with a threaded hole communicated with a bolt hole, and a wear-resistant plastic part is arranged in the threaded hole. The damping screw abuts against the wear-resistant plastic part through a threaded hole in the front end of the handle, and the wear-resistant plastic part is in damping fit with the bolt. The anti-loosening handle has the advantages that the anti-loosening device is designed on the handle, and the defects that in the prior art, a sliding frame set is prone to deformation when screws are locked, and the handle and a sliding frame are prone to loosening in the using process are overcome. 本实用新型涉及一种能够有效防止手柄与滑架装置在使用过程中产生松动的切割机用手柄防松装置，包括手柄和滑架，手柄和滑架通过螺栓铰接，手柄前端开有与螺栓孔相通的螺纹孔且螺纹孔内置有耐磨塑料件，阻尼螺丝通过手柄前端螺纹孔顶