Robot device for transporting used treatment tools to disinfection room

1 . A robot for transporting used treatment tools to a disinfection room, the robot autonomously traveling along a traveling detection line, receiving a treatment tool discharged from a treatment room, and transporting the treatment tool to the disinfection room, in a place where the traveling detection line connecting the treatment room to the disinfection room is disposed on a floor, the robot comprising:

a traveling bogie comprising a bogie body including a driving wheel and a driven wheel, a battery built in the bogie body and supplying power, a control unit outputting a control signal, a tracking sensor for sensing the traveling detection line, and a front sensor and a rear sensor for sensing obstacles in front of and at rear of the bogie body in a traveling direction;

a housing installed on a top of the traveling bogie and providing support;

an elevating plate installed inside the housing to be capable of elevation;

height adjusting assembly adjusting the height of the elevating plate while being supported by the housing;

a tray provided on a top of the elevating plate to be position-adjustable and accommodating a treatment tool to be transported; and

a tray mover configured to advance the tray toward the front of the housing, allow a tiltedly-accommodated treatment tool to slide down and pour down by gravity, and pull the tray back to an original position after the treatment tool is discharged,

wherein a curved rail configured to support the tray to be movable in forward and backward directions, the curved rail having a traveling surface portion formed on an upper surface of the curved rail and a rack gear portion provided on a lower surface of the curved rail, and inclined downward toward the front, and a supporter configured to lift the curved rail from an upper surface of the elevating plate to provide a rail lower space under the curved rail are further installed on the upper surface of the elevating plate, and

the tray mover comprises:

a support bracket fixed to a lower surface of the tray;

a wheel bearing supported by the support bracket and capable of traveling along the traveling surface portion while being seated on the traveling surface portion;

a pinion gear located in the rail lower space and meshing with the rack gear portion; and

a tray transfer motor that is supported by the support bracket and rotates the pinion gear.

2 . The robot of claim 1 , wherein

a sink having a disinfection tank is installed in the disinfection room,

a height display unit informing the height of the disinfection tank is fixed to a front surface of an upper portion of the sink,

the elevating plate takes a form of a plate and has female screw holes at both ends, and a front sensor configured to sense the height display unit and transmit a detection signal to the control unit when the elevating plate moves up and down and is located at the same height as the height display unit is installed in front of the elevating plate, and

the height adjusting assembly comprises:

vertical lead screws screwed into the female screw holes, extending vertically, and supported by the housing to be axially rotatable; and

a height control motor operated by the control unit and adjusting the height of the elevating plate by axially rotating the vertical lead screw.

3 . The robot of claim 1 , wherein

the traveling surface portion comprises a horizontal traveling path that is horizontal at the top of the elevating plate, and a curved downward traveling path that increases in inclination toward the front,

the tray comprises:

a bottom plate fixed to the support bracket; and

side walls fixed vertically to both ends and a rear end of the bottom plate, and a door connected to the side walls by a torsion hinge, closed by an action of the torsion hinge when the tray is in a horizontal state, and opened by being pushed by a weight of the treatment tool sliding down when the tray is tilted forwards is installed in front of the bottom plate.