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Spinning heating device

A heating device and external heating technology, applied in lighting and heating equipment, metal processing equipment, combustion methods, etc., can solve problems such as uneven heating, low efficiency, and magnesium combustion, so as to reduce heat loss, save time and cost, and improve The effect of spinning performance

Active Publication Date: 2013-09-04
SHANGHAI JIAO TONG UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, two heating methods are mainly used in the hot spinning production process, one is internal resistance heating, but resistance heating has the disadvantages of slow heating speed and high energy consumption
Another method is external flame heating. This heating method also has many disadvantages, such as uneven heating, fast heat dissipation, low efficiency, etc., and causes certain pollution to the environment.
Moreover, for magnesium alloy products, open flames can easily cause the combustion of magnesium, which is relatively dangerous.

Method used

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Embodiment Construction

[0027] The following is a detailed description of the embodiments of the present invention: this embodiment is implemented on the premise of the technical solution of the present invention, and provides detailed implementation methods and specific operation processes. It should be noted that those skilled in the art can make several modifications and improvements without departing from the concept of the present invention, and these all belong to the protection scope of the present invention.

[0028] Please also see Figure 1 to Figure 3 .

[0029] This embodiment provides a spinning heating device, including an internal gas heating device and an external heating and heat preservation device, the internal gas heating device is arranged inside the spinning mold, and the external heating and heat preservation device is arranged outside the spinning blank; wherein :

[0030] The internal gas heating device includes a main shaft, a gas delivery pipe group and a three-leaf fire ...

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Abstract

The invention discloses a spinning heating device which comprises an internal gas heating device and an external heating heat preserving device. The internal gas heating device is arranged inside a spinning mold. The external heating heat preserving device is arranged outside a spinning blank. A main shaft is of a hollow structure. A gas delivery pipe penetrates through the middle of the main shaft to the inner portion of the spinning mold. A three-leaf fire spraying pipe sprays flames to heat the spinning mold so that the spinning blank can be evenly heated. The external heating heat preserving device is composed of an infrared gas heater and a heat preserving cover. According to the spinning heating device, the spinning mold is heated through flames so that temperature of the spinning blank rises, the external heating heat preserving device is used for heat preservation, and therefore spinning force is reduced. The spinning heating device has the advantages of being high in heating speed, capable of saving energy consumption and even in heating.

Description

technical field [0001] The invention relates to the technical field of metal material processing and forming, in particular to a spinning heating device. Background technique [0002] Spinning technology is a plastic forming method for processing metal rotating bodies, which has the characteristics of local continuous plastic deformation. The specific method is to fix the flat blank or preformed blank to the rotating mandrel, apply pressure to the blank with a rotary wheel, and the rotary wheel is simultaneously fed axially, and after one or more processing, various thin-walled hollow rotary Legacy. According to the deformation characteristics of metal, spinning can be divided into ordinary spinning and powerful spinning. Generally speaking, the cost of spinning processing is relatively high, and the investment in spinning equipment is large, and the price of imported spinning machines is very expensive. However, due to the advantages of material saving, high product prec...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B21D37/16B21D22/14F23D14/00
Inventor 曹振董杰章桢彦靳丽汤晓明
Owner SHANGHAI JIAO TONG UNIV
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