Grinding door structure for dial grinder

The utility model discloses a milling door structure for a dial mill, which belongs to the technical field of micro-powder equipment and comprises a shell, a door hole is formed in the shell, a milling door is mounted in the door hole in an openable manner, and the milling door is connected with the shell through a conical sealing structure; one side of the grinding door is mounted on the shell through an opening and closing assembly; the device is characterized in that the opening and closing assembly comprises a connecting arm assembly, the connecting arm assembly is of an L-shaped structure, one end of the grinding door is hinged to one end of the connecting arm assembly through a first pin shaft, and the shell is hinged to the other end of the connecting arm assembly through a second pin shaft; the rotating flexibility of the grinding door can be improved, the angle fine adjustment of the assembly surface is realized, and the sealing performance of the assembly surface is improved. 本实用新型公开了一种用于针盘磨的磨门结构，属于