A method for cooling a mold with nitrogen at room temperature in a nitrogen generator and cooling the mold
A nitrogen cooling and nitrogen making machine technology, applied in the direction of manufacturing tools, metal extrusion dies, metal processing, etc., can solve problems such as difficult and difficult to control, and achieve the effect of shortening and improving the service life
Active Publication Date: 2020-01-21
东莞市超美铝制品有限公司
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Problems solved by technology
Due to the irregular shape of the outlet of the front beam profile and the diversity of the shapes of the aluminum profiles, it is very difficult to realize this cooling scheme and it is not easy to control.
Method used
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[0025] The present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments, where the schematic embodiments and descriptions of the present invention are used to explain the present invention, but not to limit the present invention.
[0026] refer to Figure 1 to Figure 4 , the present invention provides a method for cooling the die with nitrogen at room temperature in a nitrogen generator. The method is used for spirally cooling the die body with liquid nitrogen during the extrusion process of aluminum profiles, and the vaporized nitrogen fills the extrusion cavity to cool the die. And the method of protecting aluminum profiles.
[0027] The method specifically includes the following steps:
[0028] Step 1) Initialization of the measurement and control device: the control device 1 initializes the communication device 11, starts the infrared temperature measurement device 123 and the nitrogen concentration sensor 126;...
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The invention provides a nitrogen making machine normal temperature nitrogen die cooling method and a cooling die. The nitrogen making machine normal temperature nitrogen die cooling method is used for conducting spiral cooling on a die body through liquid nitrogen in the aluminum profile extrusion process, an extrusion cavity is filled with gasified nitrogen, and the method is used for cooling the die and protecting aluminum profile. The invention further provides the cooling die which comprises a die body, the die body comprises a fixed end, a die mat and an extrusion die, the fixed end and a die base are fixed, the exterior of the extrusion die and a die sleeve are fixed, and the die mat is arranged between the fixed end and the extrusion die; and a spiral type extrusion cavity inner pipe is arranged in the die base, an annular extrusion die pipe is arranged in the extrusion die, a conveying pipe enters a die mat inner pipe through the annular extrusion die pipe from the spiral type extrusion cavity inner pipe. As the nitrogen is inert gas, a large amount of nitrogen is sprayed out from the proximate matter extrusion end, oxygen can be prevented from being in contact with the proximate matter surface, and the condition that proximate matter is oxidized, high hardness mass points are formed, and the die is scratched is avoided.
Description
technical field [0001] The invention relates to a nitrogen cooling mold technology, in particular to a method for cooling a mold of a nitrogen generator at normal temperature and the cooling mold. Background technique [0002] In the extrusion process of aluminum profiles, nitrogen cooling technology can effectively increase the life of the die and improve the surface quality of aluminum profiles. However, the current nitrogen cooling technology generally extends from the outlet of the front beam profile into the nitrogen pipeline to cool the mold profile. Due to the irregular shape of the outlet of the front beam profile and the diversity of the shapes of the aluminum profiles, it is very difficult to realize this cooling scheme and it is not easy to control. Contents of the invention [0003] In view of this, the main purpose of the present invention is to provide a method for cooling a mold of a nitrogen generator at room temperature with nitrogen and the cooling mold....
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IPC IPC(8): B21C25/02B21C29/04B21C51/00
CPCB21C25/02B21C29/04B21C51/00
Inventor 赵镇雄张清刚
Owner 东莞市超美铝制品有限公司