A conveyor for sand -blast treating

The utility model provides a conveyor for sand -blast treating, include conveyer trough, running roller mechanism, be fixed in the protective cover of conveyer trough top and install the stop gear onthe protective cover that conveyer trough lateral wall middle part is equipped with the breach, conveyer trough lateral wall inboard is equipped with first baffle, and breach department is equipped with the second baffle, running roller mechanism includes a plurality of installation poles and installs two roller group spares on the installation pole respectively that roller group spare includes the supporter, passes the pivot of supporter and fix double synchronizing wheel and the running roller at the pivot both ends respectively, still through leading the borehole jack on the installation pole on the supporter, connect through two hold -in ranges between two adjacent running roller mechanisms, stop gear including the center be equipped with the shoulder hole the barrel, install spring onthe slide bar of slide ba