Importance

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Abstract

The invention relates to a drive device of a preparation machine (1) for producing lap rolls (W), comprising a double-shaft motor (M), the first output shaft (W1) of which extends into a gearbox (G), which is connected via drive means (G1, G2) to a winding unit (WA) and to calender rolls (A1-A4) installed upstream of the winding unit, and the second output shaft (W2) of the double-shaft motor (M) is connected via at least a first belt drive (B1), which is provided with a drive belt (E1) guided via pulleys (R1, R2), to an intermediate shaft of a feed table (T), which is connected via further drive means (G3) to at least one delivery roller (20) of a drafting system (SW), which delivery roller is installed with parallel spacing from the intermediate shaft. In order to achieve a low-cost drive solution, it is proposed that at least one further drive means (B2) is provided between the second output shaft (W2) of the double-shaft motor (M) and a first pulley (R1) of the first belt drive (B1), which pulley is fastened on a shaft (17) rotatably mounted with parallel spacing from the second output shaft (B2), which drive means reverses the direction of rotation of the second output shaft (W2) to the first pulley (R1), and the gearbox (G) has an even number of gear stages (SG).

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First Claim