Blackboard eraser cleaner

A blackboard eraser cleaning device, comprising:

• an outer shell (1), wherein,
• a cover (2) is arranged at an upper portion of the outer shell (1), the outer shell (1) is arranged with an inner shell (3), a standing plate (11) is arranged inside the outer shell (1);
• a clamping mechanism (19) is arranged at an upper end of the inner shell (3), a cleaning station (8) is defined inside the clamping mechanism (19), a cylinder (9) is disposed around the clamping mechanism (19), a height adjustment mechanism (10) is arranged inside the outer shell (1), the height adjustment mechanism (10) comprises a steering engine (101) arranged on the standing plate (11), a first tray (102) is arranged at a projecting end of the steering engine (101), a first spool (103) is arranged inside the cylinder (9), an upper end of the first spool (103) is connected to the top of the outer shell (1), a second spool (104) is arranged at a lower end of the first spool (103) and connected to the first spool;
• the first spool (103) is arranged with a positioning block (105), a spring (106) sleeves the first spool (103), an end of the spring (106) is disposed inside the cylinder (9), the other end of the spring (106) is arranged on the positioning block (105), the first tray (102) and a second tray on one side are wound with fine lines (107);
• the standing plate (11) is arranged with a tapping mechanism (12), an output end of the tapping mechanism (12) is disposed inside the inner shell (3) and disposed at a position capable of cleaning a to-be-cleaned part of the blackboard eraser, a dust vacuum mechanism (13) is arranged at a bottom of the inner shell (3) and located below the tapping mechanism (12);
• the clamping mechanism (19) comprises a board eraser support (4) arranged at the upper end of the inner shell (3), a side plate of the board eraser support (4) defines a rotating recess (5), a hook fixed shaft (6) is rotatably arranged inside the rotating recess (5), the hook fixed shaft (6) is arranged with a hook plate (7) through a torsion spring, and the cleaning station is defined by a plurality of hook plates (7).