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Deformed steel bar quenching process and quenching equipment

A technology of quenching equipment and rebar, applied in quenching equipment, heat treatment equipment, manufacturing tools, etc., can solve the problems of rising coolant temperature, decreasing quenching efficiency of forgings, slowing down cooling rate of forgings, etc., to achieve the effect of uniform contact surface

Active Publication Date: 2021-03-30
JIANGSU BINXIN STEEL GRP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In the prior art, the quenching of forgings is generally to put the forgings into the quenching pool filled with cooling liquid to realize the quenching of the forgings. As the soaking time increases, heat exchange occurs between the forgings and the cooling liquid, so that the cooling liquid around the forgings As the temperature rises, the cooling rate of the forgings slows down, resulting in a decrease in the quenching efficiency of the forgings

Method used

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  • Deformed steel bar quenching process and quenching equipment
  • Deformed steel bar quenching process and quenching equipment
  • Deformed steel bar quenching process and quenching equipment

Examples

Experimental program
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Effect test

Embodiment 1

[0061] Such as figure 1 As shown, a threaded steel quenching device according to an embodiment of the present invention includes: a frame 1, a quenching inlet 3, a quenching outlet 4, a transmission device 5, a bottom plate 6, a liquid collection tank 7, a filtering device 8 and a supporting device 9 ;

[0062] Among them, such as Figure 1-2 As shown, the frame 1 includes a rectangular frame 101, a pair of rectangular support frames 102 are vertically connected along the width direction between the rectangular frames 101, a top plate 103 is fixedly connected between the upper ends of a pair of rectangular support frames 102, and a guide rail is fixedly installed between the lower ends of the pair of rectangular support frames 102. The bottom plate 104 and the back are fixedly installed with a back plate 105, each rectangular support frame 102 is welded with a U-shaped outer sealing plate 106, and the four corners of the lower surface of the rectangular frame 101 are vertical...

Embodiment 2

[0077] Such as figure 1 As shown, the difference between this embodiment and Embodiment 1 is that a drive motor 203 is fixedly installed on the bottom frame 2 , and a drive sprocket 204 is coaxially sleeved on the output end of the drive motor 203 .

[0078] By adopting the above technical solution, the drive motor 203 is provided as the power output of the transmission device 5, so that the transmission device 5 drives the forging to move forward.

Embodiment 3

[0080] Such as Figure 4 As shown, the difference between this embodiment and Embodiment 2 is that the transmission device 5 also includes a driving roller 502 and a driven roller 503, and the driving roller 502 and the driven roller 503 are all rotatably connected in each group of rotating shaft seats 501, and the driving Roller 502 and driven roller 503 are coaxially provided with a pair of driving pulleys 504, and a conveyor belt 505 is connected to rotate between the pair of driving pulleys 504. One side of driving roller 502 is coaxially sleeved with driven sprocket 506. The driving sprocket 506 is connected to the driving sprocket 204 through a motor chain 507 .

[0081] By adopting the above-mentioned technical scheme, start the driving motor 203, the output end of the driving motor 203 drives the driving sprocket 204 to rotate, because the driving sprocket 204 is connected with the driven sprocket 506 through the motor chain 507, so that the driven sprocket 506 drives ...

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Abstract

The invention discloses a deformed steel bar quenching process. The deformed steel bar quenching process is characterized by comprising the following steps that S1, a deformed steel bar forge piece isheated to 700-900 DEG C, and the temperature is kept for 50-100 minutes; S2, the time for transferring the deformed steel bar forge piece to any deformed steel bar quenching equipment in the claim 2-9 for rapid cooling is not longer than 45 s; and S3, the temperature of a liquid storage tank (7) is not higher than 45 DEG C.

Description

technical field [0001] The invention relates to the technical field of construction engineering materials, in particular to a threaded steel quenching process and quenching equipment. Background technique [0002] Rebar is a steel bar with ribs on the surface, also known as ribbed steel bar, usually with 2 longitudinal ribs and transverse ribs evenly distributed along the length direction. The shape of the transverse rib is spiral, herringbone and crescent. Due to the effect of the ribs, the ribbed steel bar has a greater bonding capacity with the concrete, so it can better withstand the action of external forces. Rebar is widely used in civil engineering construction such as houses, bridges and roads. Rebar is an indispensable structural material for highways, railways, bridges, culverts, tunnels, flood control, dams and other public facilities, as small as the foundation, beams, columns, walls, and panels of house construction. With the continuous deepening of China's u...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C21D1/62C21D1/18C21D6/00C21D9/52
CPCC21D1/18C21D1/62C21D6/00C21D9/525
Inventor 林金良陈禹陈诗达刘刚刘增应
Owner JIANGSU BINXIN STEEL GRP
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