| 摘要 |
An inner burr cutting and inner surface cleaning apparatus comprises a base, a carriage mounted on the base and reciprocable along a long pressure-welded pipe of medium and small diameters, a supporting tube supported at one end thereof by the carriage and insertable into the pipe having an inner burr produced on an inner surface thereof, a first motor mounted on the carriage, a rotary shaft coaxially inserted into the supporting tube, having one end protruding from the other end of the supporting tube and rotated at the other end by the first motor, an inner burr cutting device fixedly mounted on the rotary shaft for cutting off the inner burr, sets of rollers, each set thereof being arranged circumferentially on an outer periphery of the supporting tube for contacting the inner surface of the pipe, a centering device disposed at the other end of the supporting tube for centering the cutting device in the pipe, a second motor mounted on the centering device and having a drive shaft coaxial with the rotary shaft, a spatter crushing device driven by the drive shaft, an electomagnet device provided at either the forward end of rear end of the spatter crushing device, and a spattering prevention device disposed between the burr cutting device and the carriage. |
