Bamboo hat-type tool magazine tool changer and control method thereof

The invention discloses a bamboo hat-type tool magazine tool changer and a control method thereof and relates to a tool changer and a control method thereof. The tool changer comprises a cutter head, a cutter head rotating drive device and a plurality of tool posts, wherein the cutter head rotating drive device comprises a ratchet wheel and a ratchet wheel pushing and locking mechanism; the ratchet wheel is connected with the cutter head through a cutter head hub; the ratchet wheel pushing and locking mechanism comprises a drive cylinder, a piston connecting rod, a ratchet wheel pushing mechanism and a ratchet wheel locking mechanism; the piston connecting rod is connected with the ratchet wheel pushing mechanism and the ratchet wheel locking mechanism separately; and the ratchet wheel pushing mechanism and the ratchet wheel locking mechanism are connected with the ratchet wheel separately. According to the method, a PLC controls a drive cylinder piston to continuously expand and contract through an electroma