Self-testing lubrication device for roll shaft of paper machine

Abstract

The invention relates to the technical field of paper machine lubrication, and discloses a self-testing lubrication device for a roll shaft of a paper machine. The self-test lubrication device comprises a shaft seat, a lantern ring is movably connected to the inner wall of the middle of the shaft seat, an oil guide pipe is fixedly connected to the inner side of the lantern ring, an oil cavity is formed in the middle of the shaft seat, an airbag ring is movably connected to the inner wall of the oil cavity, an elastic sheet is fixedly connected to the airbag ring, and the inner wall of the middle of the shaft seat is movably connected with an outer shaft of which the inner wall is movably connected with balls. According to the self-testing lubrication device for the roll shaft of the papermachine, a rotating shaft drives a heat conducting piece to operate, the heat conducting piece drives a thermistor to operate, and then a piezoresistor and a sliding block are used in cooperation, sothat the effect of automatically pouring lubricating oil is achieved, and the resistance of the thermistor is reduced along with the temperature rise; when a voltage of the thermistor reaches the working voltage, an electromagnet is powered on to generate a magnetic field, mutual repulsive force is generated due to the fact that the magnetic poles of the electromagnet repel those of a magnetic block, and lubricating oil in the oil cavity is extruded and injected into the oil guide pipe due to expansion of the airbag ring under the action of pressure.

Description

technical field [0001] The invention relates to the technical field of paper machine lubrication, in particular to a self-test lubricating device for paper machine rolls. Background technique [0002] The press roll in the press device of the paper machine in the prior art is composed of a roll body and roller shafts arranged at both ends of the roll body. The roll body is usually made of materials that are easy to peel off from the paper, and mostly marble and steel rolls are used to make the roll body. , Because the press roll is in operation, the speed is too fast or the load is too large, which will cause overheating of the roll shaft. Since the roll shaft is in operation for a long time, the lubricating oil inside the roll shaft is lost quickly, and it is necessary to add lubricating oil manually. [0003] At present, the detection and addition of lubricating oil inside the roller are all manually operated, especially for paper mills, due to the large number of paper ma...

AI Technical Summary

Problems solved by technology

[0006] Aiming at the deficiencies of the prior art, the present invention provides a self-test lubrication device for paper machine rolls, which has the advantage of automatic detection of lubrication, and solves the problems of failing to detect the exhaustion of lubricating oil in time and the wear of rolls

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