Large gear flame surface quenching machine

Abstract

The invention discloses a large gear flame surface quenching machine and aims to provide mechanical equipment in the field of machine manufacturing. By means of the large gear flame surface quenching machine, automatic flame surface quenching treatment can be conducted on tooth surfaces of large gears and tooth surfaces of large module gears. The large gear flame surface quenching machine is provided with a base assembly, a speed change device, a quenching device and an indexing rotary workbench. According to the technical scheme of the large gear flame surface quenching machine, the indexing rotary workbench and the quenching device adopt a separated structure, so that the size range of machined workpieces is wide; the quenching device is provided with a flame spray head and a cooling water spray head, and the flame spray head and the cooling water spray head move synchronously, work in the sequence from bottom to top and work in the mode of spirally climb along tooth profiles line by line. According to the large gear flame surface quenching machine, two cams are adopted to control the motion trails of the flame spray head and the cooling water spray head in a linkage mode, and a gear hanging mechanism is adopted to precisely adjust the quenching trail; and the large gear flame surface quenching machine is easy to control, suitable for batch production, small in equipment investment, simple in structure and convenient to maintain.

Description

technical field [0001] The invention relates to mechanical equipment in the field of heat treatment of metal materials, in particular to a large gear flame surface quenching machine capable of automatically performing flame surface quenching treatment on the tooth surfaces of large gears or large modulus gears. Background technique [0002] The tooth surface quenching treatment of large gears often uses oxygen-acetylene flame as the heating method, and water is used as the coolant, and the entire quenching work is completed by manual operation. The labor intensity of the operators is high, and the quenching quality is completely determined by the technical level of the workers. , Since the consistency of the heating time and cooling time of the tooth surface cannot be well guaranteed, it is difficult to ensure the uniformity of the quenching hardness of the tooth surface and the consistency of the depth of the hardened layer. At present, there are gear quenching numerical co...

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Problems solved by technology

[0003] What the present invention is to solve is the existing gear quenching numerical control machine tool, which has a large investment and is mainly used for quenching small gears, which is not suitable for large gears. Large-scale gear flame surface quenching machine for quenching treatment, the invention can realize the spiral upward movement of the flame nozzle and the cooling water nozzle along the tooth shape, so that the heating is uniform and the quenching quality is good

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