Patent ID: 6380514
Filing Date: 2002-04-30
Classification: B23K,B23P

Abstract:
An automatic welding system for cylinder block recycling, the system welding a cylinder head seating part, an upper cylinder liner assembly part, a lower cylinder liner assembly part and a main bearing assembly part, to enable a cylinder block of an engine to be recycled, the system comprising:a supporting section for rotatably supporting the cylinder block; a driving section installed on the supporting section for rotating the cylinder block; a welding section for welding the cylinder head seating part, the upper cylinder liner assembly part, the lower cylinder liner assembly part and the main bearing assembly part of the cylinder block; a moving section for moving the welding section along a lengthwise direction of the cylinder block to a welding execution position; and a central controlling section for controlling the driving section, welding section and the moving section; wherein the supporting section comprises: a base installed on the ground or a bottom; a plurality of supporting rollers rotatably installed on the base and arranged in a manner such that they define multiple pairs of supporting rollers along the lengthwise direction of the cylinder block; a first fixing roller fastened to one end of the cylinder block and rotatably engaged with one pair of supporting rollers among the multiple pairs of supporting rollers; and a second fixing roller fastened to the other end of the cylinder block and rotatably engaged with another pair of supporting rollers among the multiple pairs of supporting rollers; wherein a plurality of fixing holes are formed into one of the first and second fixing rollers; and wherein a fixing section is installed on the base, the fixing section having a fixing pin which is inserted into one of the plurality of fixing holes in a manner such that it can be selectively removed therefrom, the fixing pin fixing the one of the first and second fixing rollers thereby to fixedly maintain the cylinder block in a predetermined welding position.