Blanking method and blanking device
A cutting and unloading tube technology, used in filament forming processing, textile and papermaking, fiber processing, etc., can solve the problems of product quality fluctuation, local poor feeding, frequent pressure fluctuations at the entrance of the screw extruder, etc. , to achieve the effect of stable inlet pressure, novel concept and good thermal insulation effect
Active Publication Date: 2012-11-07
FUJIAN JINJIANG TECH
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Problems solved by technology
[0003] The purpose of the present invention is to provide a blanking method and its device, especially to provide a nylon spinning blanking method and its device, the invention solves the problem of the screw extruder caused by the fluctuation of the flow velocity of the raw material during the blanking process. The problem of frequent pressure fluctuations at the inlet, which eventually causes product quality fluctuations, makes up for the shortcomings of the prior art pipelines that are easy to form bridges and make local material supply unsmooth
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Embodiment １
[0029] The buffer tank is made of SUS304 stainless steel plate. The thickness of the steel plate is 2mm. The surface is polished to form a 4-sided inverted pyramid shape. The height of the top and bottom surfaces of the buffer tank is about 500mm. There are two types of buffer tank tops, namely: Square and rectangular, which are convenient for different screw extruders 10 to use different buffer tanks. The center of the top surface of the buffer tank is connected with the nozzle 2. The length of the nozzle 2 is about 250mm and the diameter is 100mm. The connection method is welded on the nozzle 2. Lan 1 is used for docking with the feeding pipe 8 of the spinning silo 6, and the materials of the tank nozzle 2 and the connecting flange 1 are all SUS304 stainless steel. The outlet part of the tank is fixed with an outlet flange 5, which is connected to the inlet of the screw extruder, without a nozzle, and a window 4 is provided on the tank body 3, and the size of the window 4 is ...
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Abstract
The invention aims to provide a blanking method and a blanking device, in particular provides a blanking method and a blanking device for nylon spinning. The blanking method comprises the step that a spinning raw material is fed to a screw extruder from a spinning feed bin through a blanking pipe under the action of gravity, and is characterized in that after passing through the blanking pipe, the spinning raw material enters an obconical buffer tank; the lower part of the buffer tank is necked gradually and is used for fixing a discharge flange, and the discharge flange is matched with an inlet of the screw extruder; and the spinning raw material enters the screw extruder through the discharge flange below the buffer tank. The blanking method and the device thereof solve the problem of quality fluctuation of products caused by frequent pressure fluctuation at the inlet of the screw extruder due to the flow velocity fluctuation of the raw material in the blanking process, and make up the defects of easy bridging and unsmooth local feeding in pipelines of the prior art.
Description
technical field [0001] The invention relates to a material blanking method and its device, in particular to a nylon spinning material blanking method and its device. Background technique [0002] The spinning raw materials are directly fed into the screw extruder from the spinning silo through the feeding pipe under the action of gravity. The main disadvantages of the conventional connection method are two points. When feeding), the pressure generated by the spinning raw material due to gravity is directly applied to the screw extruder, so that the pressure at the inlet of the screw extruder fluctuates frequently, which eventually causes fluctuations in the quality of the product. Secondly, it is easy to form a bridge in the pipeline. The factors of static electricity make the local material supply insufficient, resulting in unsmooth feeding, and in severe cases, it will cause a car jumping accident. Contents of the invention [0003] The purpose of the present invention ...
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IPC IPC(8): D01D1/00
Inventor 吴道斌
Owner FUJIAN JINJIANG TECH