Narrow slit effect quenching clamper

Abstract

The invention which belongs to the field of metallic material heat-treatment technique provides a narrow slit effect quenching clamper, including a barrel, a suspending board, a drainage mouth and several location plates, wherein: the suspending board is fixed on the top of the barrel, the plane surface of the suspending board is perpendicular to the horizontal plane, and the location plate is fixed inside or outside the barrel, and the plane surface of the location plate is perpendicular to the horizontal plane and is perpendicular to the surface of the barrel, and the drainage mouth is fixed at the bottom of the barrel, and the suspending board is hanged on the upper end-face of the workpiece or is hanged on the end-face of step with maximum diameter on the stepped shaft workpiece, and the drainage mouth is downward and is dipped into the quenching trough together with the workpiece. The invention can improve mobility speed of quenching medium around the quenching part surface without changing the original quenching tank and stirring system structure thereof and adding power of the agitator, thereby achieving the purpose of improving cooling velocity.

Description

technical field [0001] The invention relates to a fixture in the technical field of heat treatment of metal materials, in particular to a slit effect quenching fixture. Background technique [0002] Quenching of steel is a heat treatment process in which the workpiece is heated to the austenitizing temperature and then rapidly cooled to increase the hardness and strength of steel parts. Commonly used quenching cooling media include water, aqueous solution and oil, etc. The cooling capacity of the quenching medium can be determined by quenching Intensity (H) or surface heat transfer coefficient indicates that, as can be seen from Table 1, the greater the flow rate of the quenching cooling medium, the greater its cooling capacity. [0003] Table 1 [0004] [0005] Find through document retrieval to prior art, prior art is to obtain larger and more uniform flow velocity by disposing stirring system in quenching tank, as existing document (Su Xingwu, Yan Ruping, Gu Min, Che...

AI Technical Summary

Problems solved by technology

The disadvantage of the prior art is that after the design and manufacture of the quenching tank is completed and put into use, its structure, size and stirring system are fixed, and the maximum flow rate that may be achieved is also certain. When some parts need a higher cooling rate to be hardened, so Existing quenching tanks are not enough when higher medium flow rates around the workpiece are required

However, it takes a lot of time and money to redesign and manufacture the quenching tank and its stirring system, and it is difficult to adapt to the needs of production development and product diversity.

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