Tool device with protection function for elbow machining

The utility model discloses a tool device with a protection function for elbow machining. The device comprises a workbench, two air cylinders are fixedly arranged on the upper surface of the workbenchand communicate with an external air compressor through pipelines, movable rods of the air cylinders are fixedly connected with one side face of a fixing block, and a bearing is connected to the upper surface of the fixing block in a clamped mode; pROTECTION HOUSING, therefore, when the elbow is machined on the workbench; generated paint liquid or chippings are blocked by the protective shell; the water is left in the protective shell; therefore, the working environment of operators is improved; the box door b is opened through the handle, the electric push rod is started, so that the protective shell can move under the action of the limiting sliding block and the limiting sliding groove, the workbench is exposed, an operator can conveniently conduct cleaning work after machining, and theworkbench has the advanta