Automatic trade sleeve mechanism's work or material rest device

The utility model discloses an automatic trade sleeve mechanism's work or material rest device, including the work or material rest board, still including being located the sleeve cup of the tubbinessof work or material rest board top, be located the big gasket and the general of work or material rest board below sleeve cup, work or material rest board and big gasket compress tightly the couplingassembling of connection, the work or material rest board on be equipped with the movable span, coupling assembling including passing the sleeve cup and peg graft in connector in the movable span onthe work or material rest board and passing big gasket and connect soon in locking bolt on the connector. The utility model provides a compact structure's automatic trade sleeve mechanism's work or material rest device is convenient for install and remove telescopic, and can finely tune the sleeve that appears the deviation on the new clothes or in the use, guarantees to have improved greatly andmoved telescopic success rat