摘要：

A bell wire expander includes a plurality of shoes for engaging the inside surface of a cage wire reinforcing mesh to form the bell end thereof by moving outwardly. The shoes are mounted on quarter tables provided with a plurality of pairs of mounting holes so that shoes sized to expand cage mesh bodies of different diameters may be mounted thereon. A centering guide includes a plurality of guide plates which are adjustably mounted to accommodate cage mesh bodies of different diameters. The shoes are driven outwardly by a pair of hydraulic cylinders which rotate a motor plate. The motor plate has arcuate cam slots cooperating with cam followers depending from linkage bars mounted on the quarter tables. A top plate has radial guide slots for guiding the linkage bars.

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