Quenching lift for bearing ring

Abstract

The invention discloses a quenching lift for a bearing ring. The quenching lift comprises a motor, a frame, a workbench, a crank connecting rod mechanism and a power transmission mechanism. A transmission shaft of the power transmission mechanism is supported on the frame through bearings on two ends, and a first spindle and a second spindle are respectively arranged on two sides of the transmission shaft. A motor belt pulley is connected to a big belt pulley through a belt, a drive chain wheel on the big belt pulley shaft is connected to a driven chain wheel through a chain, the driven chain wheel drives an intermediate chain wheel, the intermediate chain wheel is connected to a large driven chain wheel on the transmission shaft through the chain, and two same drive chain wheels on the transmission shaft are respectively connected to a first spindle chain wheel and a second spindle chain wheel through the chain. Cranks of the crank connecting mechanism are respectively arranged on two ends of the first spindle and the second spindle, a cylinder sleeve and the frame are fixed through a support plate, and a piston in the cylinder sleeve is connected to the workbench through a vertical shaft of the workbench. According to the quenching lift for the bearing ring, the quenching hardness uniformity is improved by 2-3 HRC, the problems of uneven hardness and soft spots during quenching of the bearing ring are completely solved, the quenching efficiency is high, and the product quality is stable.

Description

technical field [0001] The invention relates to a heat treatment device, in particular to a bearing ring quenching cooling elevator. Background technique [0002] The large-scale bearing steel and carburized steel bearing rings manufactured in the bearing industry must be quenched in order to achieve comprehensive mechanical properties. Most of the current methods adopt the heat treatment method that the quenched parts are heated and put into a large oil pool for cooling. In order to cool evenly, the quenched parts must reciprocate up and down in the oil pool. In the past, the reciprocating movement of the quenched parts up and down in the oil pool was carried out by a crane. However, due to the frequent positive and negative rotation of the hoisting motor of the crane, the damage to the motor is great, and the motor is often burned. At the same time, due to the slow reciprocating speed of the crane, the relative movement between the bearing ring and the quenching oil is r...

AI Technical Summary

Problems solved by technology

[0003] The technical problem to be solved by the present invention is to provide a bearing sleeve with improved uniformity of hardness of the quenched product, which can completely solve the problem of uneven hardness and soft spots of the bearing ring during quenching, improve production efficiency, fully meet the needs of quenching production, and have stable quality. Ring Quenching Cooling Lift

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