Tooth surface quenching device for rack

A technology of quenching device and rack, applied in the direction of quenching device, heat treatment equipment, furnace, etc., can solve the problems of easy deformation of rack, difficult to observe, end upturning, etc., to ensure quality, improve effect, facilitate recycling and other problems. processing effect
CN111411200APending Publication Date: 2020-07-14台州莱德齿条有限公司
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
台州莱德齿条有限公司
Publication Date
2020-07-14

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Abstract

The invention provides a tooth surface quenching device for a rack, and belongs to the technical field of machines. The problem that an existing quenching device is poor in quenching effect is solved.The tooth surface quenching device for the rack comprises a machine frame, a quenching head, a quenching liquid nozzle, a quenching disc with a mounting cavity and a clamp used for clamping and positioning the rack, the quenching head and the quenching liquid nozzle are fixed to the machine frame, the quenching head and the quenching liquid nozzle are located above the clamp and are opposite to the clamp, the quenching disc is mounted on the machine frame and can slide back and forth in the horizontal direction relative to the machine frame, the clamp is mounted in the mounting cavity of thequenching disc, the bottom face of the clamp is a plane, the quenching disc is provided with a sucking part, the sucking part can suck the bottom of the rack to enable the rack to be tightly attachedto the bottom face of the clamp, the sucking part can generate sucking force to enable the bottom of the rack to be firmly sucked, in the quenching process, even if the rack is heated, deforming and upwarping cannot be generated, the tooth surface quenching effect is improved, and the product quality is ensured.
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Description

technical field

[0001] The invention belongs to the technical field of machinery and relates to a tooth surface quenching device of a rack. Background technique

[0002] The rack is a special gear with teeth distributed on the bar body, which is mainly divided into straight toothed racks and helical toothed racks. During the processing of the rack, it is often necessary to quench the tooth surface of the rack to transform the surface structure into martensite, thereby improving the hardness, wear resistance and fatigue strength of the tooth surface, and prolonging its wear life.

[0003] In the prior art, the quenching of the tooth surface of the rack is completed on a quenching machine tool. For example, a Chinese patent application (application number: 201310376016.8) discloses a workpiece quenching machine tool, including a bed body; a quenching system is arranged on the bed body; The body is equipped with a motion fixture system; the bed body is also equipped with a wat...

Claims

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