Air valve steel surface heat treatment process method easy to operate
A technology of surface heat treatment and valve steel, applied in heat treatment furnaces, heat treatment equipment, manufacturing tools, etc., can solve problems such as quick replacement, blockage of sprinklers, inconvenient transmission devices, etc., to avoid internal blockage, rapid cooling, and convenient disassembly cleaning effect
Pending Publication Date: 2022-03-11
TAIZHOU LONGRUI METAL PROD
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Problems solved by technology
[0003] However, the currently used gas valve steel heat treatment device does not have straightening and calibration measures before the steel bar heat treatment, which will lead to greater bending of the steel bar after heat treatment, increasing the difficulty of subsequent straightening and calibration measures, and it is not convenient to adjust according to the steel bar. The caliber of the rod can quickly replace the transmission device. In addition, the spray head in the rapid cooling equipment is not easy to disassemble and clean. Long-term use will cause the internal blockage of the spray head and affect the cooling water flow.
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[0027] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0028] see Figure 1-4 , the present invention provides a technical solution for the surface heat treatment process of valve steel with simple operation:
[0029] A valve steel surface heat treatment device with simple operation, including a base 1 and a heat treatment box 10, one end of the surface of the base 1 is provided with a straightening calibration box 2, and the surface of the straightening calibration box 2 is connected with a controller 3 by screws...
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The air valve steel surface heat treatment device easy to operate comprises a base and a heat treatment box, a straightening calibration box is arranged at one end of the surface of the base, a controller is connected to the surface of the straightening calibration box through screws, pressure calibration wheels are arranged at the bottom end of a lifting table, and the heat treatment box is installed at one end of the straightening calibration box. When the steel bar straightening and calibrating device is used, a steel bar is stuffed into the straightening and calibrating cabin formed in the inner wall of the straightening and calibrating box, the fixed calibrating wheel and the air cylinder drive the lifting platform to drive the pressure calibrating wheel to press downwards, the steel bar is straightened and calibrated while being conveyed, the straightened and calibrated steel bar enters the heat treatment cabin, and heat treatment is conducted on the surface of the steel bar through high-temperature heating. And the steel bar subjected to heat treatment is conveyed into the cooling box through the conveying rollers, and the surface of the steel bar is rapidly cooled through cooling water sprayed by the spraying heads, so that the air valve steel surface heat treatment which is simple to operate is completed.
Description
technical field [0001] The invention relates to the related technical field of gas valve steel, in particular to a process method for surface heat treatment of gas valve steel with simple operation. Background technique [0002] Valve steel refers to the steel suitable for manufacturing various valves, also known as valve steel. Valve steel has good processability and weldability. According to the type of organization, valve steel is divided into martensite and austenite. It is a necessary material for the manufacture of intake and exhaust valves of gasoline engines and diesel engines, and is also a key material in the entire engine. [0003] However, the currently used gas valve steel heat treatment device does not have straightening and calibration measures before the steel bar heat treatment, which will lead to greater bending of the steel bar after heat treatment, increasing the difficulty of subsequent straightening and calibration measures, and it is not convenient to ...
Claims
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Login to View More IPC IPC(8): C21D1/52C21D1/667C21D9/00B21D3/05B21D43/08
CPCC21D1/52C21D9/0075C21D9/0062C21D1/667B21D3/05B21D43/08
Inventor 刘国华
Owner TAIZHOU LONGRUI METAL PROD