The utility model relates to the technical field of
grinding machines, in particular to a lathe
bed structure of a vertical and horizontal
grinding machine, which comprises a lathe body, a reinforcing component is mounted on the inner side of the lathe body, two groups of guide rail components are mounted on the lathe body, a
carriage is jointly mounted on the two groups of guide rail components, and a workpiece table component is mounted on the
carriage. The guide rail
assembly comprises a guide rail installed on the
bed body, a sliding seat is connected to the guide rail in a sliding mode, protective sleeves arranged on the outer side of the guide rail in a sleeving mode are arranged on the two sides of the sliding seat, a fixing plate fixedly connected with one end of each protective sleeve is fixedly arranged on the side wall of the
bed body, and the other end of each protective sleeve is fixedly connected with one end of the sliding seat. According to the lathe bed structure of the vertical and horizontal
grinding machine, the guide rail
assembly is arranged, the protective sleeve is arranged on the guide rail, the protective sleeve is used for blocking chippings and preventing the chippings from falling on the guide rail, the protective sleeve can stretch out and draw back along with movement of the sliding base, the guide rail can be better protected against abrasion, the operation precision of the guide rail on the lathe bed is improved, and the service life of the guide rail on the lathe bed is prolonged.