Transmission mechanism of open mill

Abstract

The invention relates to a novel transmission mechanism for an open mill. The novel transmission mechanism for the open mill comprises an open mill device (5), an open mill roller shaft (8), an open mill mounting base (9), a main variable frequency motor (1), a planetary transmission device (2), a moment balancing mechanism (3) and a floating base (6), wherein the main variable frequency motor (1) is connected with the planetary transmission device (2) by virtue of the floating base (6), and the moment balancing mechanism (3) comprises a moment arm (3.1), a moment arm supporting base (3.2) and a connecting rod (3.3). The novel transmission mechanism for the open mill can be used for reducing the volume and weight of the open mill to the utmost extent and improving the bearing capacity of the open mill, and the design and manufacturing costs of the open mill can be reduced.

Description

technical field [0001] The invention relates to a transmission mechanism for an open mill. It belongs to the technical field of mechanical structures. Background technique [0002] The transmission structure of the existing double-roller mill mostly adopts the gear structure with parallel shafts, which belongs to the reducer for low speed and heavy load, so its volume and weight are very large, especially the transmission of the existing double-roller mill. The volume occupied by the mechanism is about half of the whole mill, so the equipment manufacturing and investment costs are very high. [0003] Patent No. CN103660062A discloses a "New Mill", and the document "Rubber Technology and Equipment" 2016, Volume 42 "Application of a New Double-Drive Transmission Device on a Mill" also involves a separate drive The technical scheme of the front and rear rollers, but the installation of the two transmissions is to use a hollow shaft directly sleeved on the shaft of the roller,...

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Problems solved by technology

[0003] Patent No. CN103660062A discloses a "New Mill", and the document "Rubber Technology and Equipment" 2016, Volume 42 "Application of a New Double-Drive Transmission Device on a Mill" also involves a separate drive The technical scheme of the front and rear rollers, but the installation of the two transmissions is to use a hollow shaft directly sleeved on the shaft of the roller, and then the installation method is fixed with a connecting rod at the input end, because the reducer uses a pair of bevel gears The transmission structure of two pairs of parallel shaft gears results in a longer length of the reducer, which increases the overturning moment of the reducer and increases the unsafe factors in use.

On the other hand, the volume and weight of the transmission device still occupy a relatively large proportion in the open mill, and the carrying capacity per unit volume is not high, the weight is heavy, and the volume is large.

[0004] The 2006 master's degree thesis of Beijing University of Chemical Technology "Study on the Structure and Performance Advantages of Hydraulic Transmission Open Mill" recommended the use of hydraulic transmission to achieve double-roller dual-drive, but when using hydraulic transmission, the manufacturing precision of hydraulic components is high, assembly is difficult, and maintenance is difficult. Relatively strict; it is difficult to achieve fixed ratio transmission; easy to leak, oil is easy to pollute; it is difficult to check and troubleshoot when a fault occurs

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