Smoke and dust removal special mechanical arm

A mechanical arm special for smoke and dust removal relates to the technical field of welding assistance, and is characterized in that a mechanical arm is arranged on a rotating block, a hydraulic cylinder and a ceiling are arranged on the mechanical arm, the ceiling is turned over through the hydraulic cylinder and the mechanical arm, a smoke pipe is arranged on the mechanical arm, one end of thesmoke pipe is connected with the rotating block, and the other end of the smoke pipe is connected with the ceiling; the metal dust filtering device is simple in structure and high in practicability,a large amount of metal dust can be filtered in the working process, the danger that workers are injured is reduced, the ceiling can be rapidly turned over, great convenience is brought to daily work,and the working efficiency is improved. 一种除烟除尘专用机械臂，涉及焊接辅助技术领域，在旋转块上设有机械臂，机械臂上设有液压缸和顶棚，顶棚通过液压缸和机械臂进行翻转，在机械臂上设有烟管，烟管一端与旋转块相连接，烟管另一端与顶棚相连接，顶棚上设有鼓风机；本实用新型结构简单、实用性强，不但可以在工作中过滤大量的金属粉尘，减少了工作人员受伤害的危险，而且可以快速的对顶棚进快速的翻转，极大的方便了日常的工作，提高了工