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Large gear flame surface quenching machine

A technology of surface quenching and large-scale gears, applied in the direction of quenching device, furnace type, heat treatment equipment, etc., can solve the problems of inappropriate large-scale gears and large investment, and achieve the effects of simple control, accurate indexing and high efficiency

Inactive Publication Date: 2017-05-17
KUNMING UNIV
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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

Method used

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Embodiment Construction

[0025] see figure 1 , 2 As shown, the present invention is composed of a base assembly 1, a transmission device 2, a quenching device 3, and an indexing rotary table 4; the base assembly 1, the transmission device 2 and the quenching device 3 form a combination, and the combination The high-degree rotary table 4 adopts a split structure; the transmission device 2 is arranged on the base assembly 1, and the quenching device 3 is arranged on the transmission device 2.

[0026] see figure 1 , image 3 As shown, the base assembly 1 is provided with a hand wheel 11, two bearing housings 12, a horizontal screw 13, and a base 14; two inner rectangular guide rails 141 are arranged on the inner side of the upper part of the base 14, and a rectangular guide rail 141 is arranged in the middle of the upper part. Groove 142; two bearing seats 12 are arranged on the journals at both ends of the horizontal lead screw 13, and the two bearing seats 12 are placed and fixedly connected in the...

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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...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C21D1/08C21D9/32C21D1/667
CPCC21D1/08C21D1/667C21D9/0062C21D9/32
Inventor 胡运林
Owner KUNMING UNIV
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