Sealing and transmission device of roller kiln

Abstract

Disclosed is a sealing and transmission device of a roller kiln. The sealing and transmission device comprises a furnace body and a plurality of conveying rollers which are installed on the furnace body at intervals in the material conveying direction. The active end of each conveying roller is connected with a transmission shaft connected with a driving mechanism. All the conveying rollers are divided into more than one set of roller group. Each roller group contains more than two conveying rollers which are adjacent to each other sequentially. An active end sealing cover is mounted at the position, corresponding to each roller group, of the outer wall of the furnace body. The active ends of all the conveying rollers of each roller group penetrate through the furnace body and extend intothe corresponding active end sealing cover. Each transmission shaft is installed in a sealed bearing seat in a penetrating mode. Each sealed bearing seat is fixedly mounted on the corresponding activeend sealing cover and in sealed connection with the corresponding active end sealing cover. The driving mechanism is located at the exteriors of the active end sealing covers. One ends of the transmission shafts penetrate through the active end sealing covers and are connected with the conveying rollers, and the other ends of the transmission shafts are connected with the driving mechanism. The sealing and transmission device has the advantages of being good in sealing, easy to manufacture and mount and conducive to guarantee the smoothness of conveying.

Description

technical field [0001] The invention relates to the technical field of kiln equipment, in particular to a sealing transmission device of a roller kiln. Background technique [0002] In the roller kiln, the position where the conveying roller sticks out of the furnace body is required to have a high degree of sealing. The sealing of the existing roller kiln at the conveying roller is all through the sealing cover to seal the end of the conveying roller extending outside the furnace body, and the transmission shaft is used to pass through the installation through hole on the sealing cover to connect the conveying roller and the driving mechanism. The shaft is fixedly installed on the bracket fixed on the roller kiln body through the bearing seat, and a sealing ring is installed in the installation through hole on the sealing cover to seal the gap between the inner wall of the installation through hole and the transmission shaft. This kind of transmission sealing structure req...

AI Technical Summary

Problems solved by technology

In actual operation, a driving motor often drives a driving spindle to drive multiple rollers (70~80) to rotate, and the torque output of the driving spindle is very large, which makes the drive chain to drive the spindle downward in the chain direction. The pulling force is also large, especially the instantaneous pulling force of starting is very large, which will easily cause the failure of the connection between the main shaft support and the side of the furnace body, which will lead to shutdown and affect production

Moreover, in order to ensure the rigidity of the transmission system, the bearing seat of the drive spindle and the drive motor are directly fixed and installed, which is not conducive to the subsequent commissioning of the transmission system.

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