Industrial robot

An industrial robot, comprising:

• a base unit;
• a first arm having opposite end portions, one end portion is attached to said base unit to be rotatable about a first axis;
• a second arm having opposite end portions, one end portion is attached to the other end portion of said first arm to be rotatable about a second axis;
• a third arm which is attached to the other end portion of said second arm to be vertically movable along a third axis and to be rotatable about the third axis, and to a lower end of which hand means for holding parts is detachably attached;
• driving means for driving said first to third arms;
• control means for controlling said driving means;
• and
• wiring and piping means for supplying a control signal from said control means to said driving means, and for supplying a control signal and a working fluid from said control means to said hand means,
• said wiring and piping means including:
• a first fixing jig extending to a position above said first arm and above the first axis;
• a second fixing jig arranged on said second arm and on the second axis;
• a third fixing jig arranged on an upper end of said third arm and on the third axis;
• a first pipe, one end of which is connected on the first axis on said first fixing jig, the other end of which is connected to a position near the second axis on said second fixing jig, and through which a bundle of wiring and piping lines is inserted;
• and
• a second pipe, one end of which is connected to a position near the second axis on said second fixing jig, the other end of which is connected on the third axis on said third fixing jig, and through which the bundle of wiring and piping lines is inserted.