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Soaking pit furnace for spring production

A soaking furnace and body technology, which is applied in the field of soaking furnaces for spring production, can solve the problems of uneven temperature, strength and unstable temperature of soaking furnaces, and achieve stable operation process, uniform temperature inside the furnace body, and simple structure. Effect

Pending Publication Date: 2021-12-10
四川西南工业炉有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is: in order to solve the problem that the strength of the spring in the prior art is unstable after quenching due to uneven temperature before quenching and the temperature of the soaking furnace itself is unstable, the present invention designs a soaking furnace for spring production. furnace

Method used

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  • Soaking pit furnace for spring production
  • Soaking pit furnace for spring production
  • Soaking pit furnace for spring production

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] like Figure 1 to Figure 4 As shown, a soaking furnace for spring production includes a soaking furnace body 1 and a feed port 101 and a discharge port 102 arranged on the soaking furnace, and the feed port 101 and the discharge port 102 are Both are provided with doors, and the feed inlet 101 and the discharge outlet 102 are arranged on both sides of the soaking furnace body 1, and the lower surface of the soaking furnace body 1 is provided with a stepping structure 9, and the stepping structure 9 includes static beams 901 and moving beams 902 arranged in a staggered manner. The moving beam 902 is provided with a through hole that is longer than the length of the moving beam 902 in the horizontal direction. The bottom of the moving beam 902 is connected with a hydraulic drive device. The hydraulic drive device It includes a fixed plate and a sliding plate placed on the fixed plate and can move horizontally along the fixed plate. The moving beam 902 is connected with th...

Embodiment 2

[0031] like figure 1 As shown, in order to enable the present invention to be fed into the soaking furnace better and more smoothly, this embodiment has made further improvements on the basis of Embodiment 1, specifically, the material plate 301 is provided with 0.2 - 0.5 cm high baffle plate 302 , slide rails are provided at the bottom of the soaking furnace body 1 , a slide block 404 matching with the slide rails is provided at the bottom of the support frame 401 , and the slide block 404 is connected with the cylinder 402 .

Embodiment 3

[0033] like figure 1As shown, in order to make the heat loss of the present invention less and better controlled, this embodiment has made further improvements on the basis of embodiment 2, specifically, the soaking furnace body 1 is provided with a heat insulation layer, so The heat insulation layer is a fiber blanket, the moving beam 902 is provided with a sealing plate, the sealing plate is connected with the moving beam 902, the sealing plate can follow the moving beam 902 to move, and the soaking furnace body 1 is provided with A control panel, the control panel is electrically connected to the PLC, and the PLC control is electrically connected to the hydraulic drive device, the cylinder 402, the door 8 and the feeding device 3.

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Abstract

The invention discloses a soaking pit furnace for spring production, and relates to the technical field of spring production and machining. The soaking pit furnace for spring production comprises a soaking pit furnace body, a feeding port and a discharging port, and the feeding port and the discharging port are formed in the soaking pit furnace and are formed at the two sides of the soaking pit furnace body; and cylinder doors are arranged at the feeding port and the discharging port, feeding devices are symmetrically arranged at the feeding port and the discharging port, each feeding device comprises a material plate, a moving device is arranged at the bottom of each material plate, each moving device comprises a supporting frame connected with the corresponding material plate, the bottom of each supporting frame is connected with an air cylinder, the material plates are hinged to the supporting frames, and second air cylinders are arranged at the hinge positions. The soaking pit furnace has the advantages that the structure is simple, and the problems that in the prior art, due to the fact that the temperature of a spring is not uniform before quenching, the strength of the spring is not uniform after quenching, and the temperature of the soaking pit furnace is not stable are solved.

Description

technical field [0001] The invention relates to the technical field of spring production and processing, in particular to a soaking furnace for spring production. Background technique [0002] The surface quality and material strength of the hot-rolled coil spring determine the fatigue life of the spring, and the coiling and heating quality of the spring in the manufacturing process is the key process for whether the above two quality characteristic indicators can meet the requirements. [0003] On the one hand, since the hot coil spring needs to be heated and coiled at high temperature and heat treated, the oxidation of the material at high temperature is very easy to form surface decarburization. If there is decarburization on the surface, the fatigue life of the spring will be significantly reduced, but during heat treatment, it is easy to cause a temperature difference in the spring as a whole when the spring is out of the coiling machine, and the effect of temperature d...

Claims

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Application Information

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IPC IPC(8): C21D9/02
CPCC21D9/02C21D9/0018C21D9/0006
Inventor 杜超
Owner 四川西南工业炉有限公司