Patent ID: 7635293

Claim:
A grinding machine with a length-adjustable dust collecting structure, comprising a control portion and a driving axle, and an axis of the driving axle being horizontally disposed on a side of the control portion, and the grinding machine having a dust collecting structure, characterized in that: the dust collecting structure includes a dust collecting pipe and a moving element, and the dust collecting pipe is installed on a side of the grinding machine and has a front end and a rear end, and the moving element is installed at the front end of the dust collecting pipe, and the moving element is configured to slide on the dust collecting pipe, wherein the moving element includes a slide cover installed at the front end of the dust collecting pipe, wherein the slide cover includes a positioning pillar disposed separately on internal edges on both a first side and a second side of the slide cover, and the dust collecting pipe includes a slide groove disposed separately on internal edges on both sides of the dust collecting pipe and corresponding to the slide cover for inserting each of the positioning pillars.