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Isothermal hot pressing board

A hot pressing plate, isothermal technology, applied in the direction of presses, manufacturing tools, etc., to achieve the effect of isothermal

Inactive Publication Date: 2008-08-20
臧登志
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The disadvantage of these two schemes is that the heat pipe and the heating device are separated on the heating plate, and the heating device is in contact with the heating plate and directly heats it.

Method used

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Embodiment Construction

[0032] Such as figure 1 , 2 , 6, 1 is the body of the hot plate, 2 is the cavity, 3 is the heating device, 4 is the boundary line between gas phase and liquid phase of the working medium, the working medium above the boundary line is gas phase, and the working medium below the boundary line is liquid Mutually. Cavity 2 is a space formed by the inner surface of the hot platen body 1 and the outer surface of the heating device 3. There is a working medium and a heating device 3 in the cavity 2. The heating device 3 is in the working medium, that is, there is a cavity in the hot pressing plate. There is a working medium and a heating device immersed in the working medium in the cavity.

[0033]The working medium in the cavity 2 is in a state of gas-liquid two-phase saturation during operation, the liquid-phase working medium absorbs heat on the surface of the heating device 3 and boils to be vaporized, and the gas-phase working medium releases heat and condenses on the cavity w...

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Abstract

The invention discloses an isothermal hot pressboard, which is characterized in that a cavity is positioned in the hot pressboard and working medium and a heating device immersed in the working medium are arranged in the cavity; wherein, the working medium in the cavity is in two phase saturation state of gas and liquid; the liquid-phase working medium is gasified by absorbing the thermal energy of the heating device, while the gas-phase working medium is condensed by releasing thermal energy to the cavity wall, thus the working medium transfers the thermal energy released by the heating device to the cavity wall which is used as the body of the hot pressboard; because the thermal energy absorbed and released by the working medium is latent heat of phase change, the temperature in the cavity is equal, thus the isothermal hot pressboard is realized. The isothermal hot pressboard can be used as the hot pressboard of artificial board presses, copper clad laminate presses, decorative laminated sheet based on thermosetting resins presses, vacuum film laminating presses, positive-negative film laminating presses, flat vulcanizing machines, hot-press printing machines and other hot presses.

Description

technical field [0001] The invention relates to a hot pressing plate, in particular to an isothermal hot pressing plate. Background technique [0002] Chinese Patent Publication No. CN2079110, published on June 19, 1991, the name of the invention is a hot press plate for a vulcanizer. between programs. U.S. Patent Publication No. 6350114, published on February 26, 2002, the name of the invention is Isothermal coremolding platen, and the application discloses a scheme in which each heat pipe and the heating device are spaced apart from each other and arranged in parallel with each other in the heat pressing platen . The disadvantage of these two schemes is that the heat pipe is separated from the heating device on the heating plate, and the heating device is in contact with the heating plate and directly heats it. After the temperature difference is generated by the hot pressing plate, the heat pipes buried in the hot pressing plate play the role of temperature flattening ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B30B15/06B30B15/34B29C35/02B29C35/04
Inventor 臧登志
Owner 臧登志
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