Nozzle cleaning apparatus

A nozzle cleaning apparatus comprising:

• a cleaning tank;
• a first cleaning liquid outlet having a connection portion to which a nozzle to be cleaned can be attached;
• a cleaning liquid supply means which supplies a cleaning liquid to the first cleaning liquid outlet;
• a second cleaning liquid outlet to which a cleaning liquid is supplied by the cleaning liquid supply means;
• and
• a cleaning attachment connected to the second cleaning liquid outlet,
• wherein the cleaning attachment comprises:
• a nozzle holding portion in which a distal end portion of the nozzle attached to the first cleaning liquid outlet is inserted;
• an outer cleaning liquid ejection port which faces the distal end portion of the nozzle inserted in the nozzle holding portion and ejects the cleaning liquid supplied to the second cleaning liquid outlet toward the distal end portion of the nozzle;
• a cleaning chamber in which the cleaning liquid ejected in a first direction from the nozzle and the cleaning liquid ejected in a second direction from the outer cleaning liquid ejection port collide with each other in a state where the distal end portion of the nozzle is inserted in the nozzle holding portion;
• and
• a cleaning liquid discharge hole which discharges the cleaning liquid which flows into the cleaning chamber.