| 摘要 |
The invention relates to a mixing tool comprising a mixing beater, which comprises two mixing rods that are substantially parallel to the rotational axis of the beater and located at a distance from one another and a conveyor spiral that is arranged on said rods. One end of the beater is connected to a drive motor and the other end is connected to the conveyor pump. The conveyor spiral is located in the vicinity of a conveyor funnel which tapers towards the conveyor pump and is located above a mixing zone, into which a conduit for introducing water opens. The aim of the invention is to configure a mixing tool of this type in such a way that a mixture devoid of lumps, which is as homogenous as possible, can be produced in a shorter time. To achieve this, an additional beater (6, 41) comprising mixing elements (9, 45), which are positioned in the space between the mixing rods (3, 30), is secured on the mixing beater (1, 31). The drive rod (8, 40) of said additional beater lies parallel or at an acute angle to the rotational axis (A) of the mixing beater (1, 31) and has a rotationally fixed drive wheel (10, 20, 21, 25, 43) that forms a gearing together with a gearing member (11.1, 16, 19, 23, 35), which is fixed or configured on the mixing device. Said drive wheel is caused to rotate during the rotational displacement of the mixing beater (1, 31).
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