Excess material recovery device for waste tire rubber powder production

The utility model discloses an excess material recovery device for waste tire rubber powder production, and relates to the technical field of waste tire recovery equipment. The crusher comprises a main body, and a first-stage crushing mechanism and a second crushing mechanism are arranged in the main body; the second crushing mechanism is a progressive crushing mechanism, and by arranging the first-stage crushing mechanism and the second crushing mechanism, progressive crushing of the waste tires is facilitated, and the crushing effect and the crushing efficiency are improved; the primary crushing mechanism comprises two crushing rollers which are matched with each other and rotate in opposite directions in a differential manner; the two crushing rollers rotate in the differential manner,so that the waste tires can be conveniently pulled during crushing, and the crushing effect is improved; a material guide assembly is arranged at the bottom of the second crushing mechanism and enables the crushed tires to fa