Roller stand with improved product collection performance

The invention relates to a roll stand (1) comprising: a product inlet (2); a grinding chamber having grinding rollers (3, 4), into which bulk material to be ground can enter from a product inlet (2); and a product outlet unit (P) which is arranged below the grinding chamber and into which the product from the grinding chamber can enter, the product outlet unit (P) comprising a hopper (5) which has a conveying worm (10) in the lower region thereof facing away from the grinding chamber, the conveying worm (10) having two parts (10a, 10b), the conveying worm (10) having two parts (10a, 10b), the two parts are conveyed in opposite directions in order to convey the product from the lower region of the hopper (5) to an outlet opening (7) in the bottom region of the hopper (5). 本发明涉及辊架(1)，该辊架包括：产物入口(2)；研磨室，该研磨室具有研磨辊(3,4)，待研磨散装材料能够从产物入口(2)进入该研磨室；和产物出口单元(P)，该产物出口单元布置在研磨室下方，并且来自研磨室的产物能够进入该产物出口单元，其中产物出口单元(P)包括料斗(5)，该料斗在其远离研磨室的下部区域中具有输送蜗杆(10)，其中输送蜗杆(10)具有两个部分(10a,10b)，这两个部分沿相反方向进行输送，以便将产物从料斗(5)的下部区域输送到料斗(5)的底部区域中的出口开口(7)