A variable-section differential movable type die for preparing micro-nano structures
A technology of micro-nano structure and variable cross-section, which is applied in the field of extrusion molding of plastic products, can solve the problems of reducing production efficiency, consuming manpower and material resources, and unable to realize the continuous change of cross-sectional shape of plastic products, so as to achieve stable quality and convenient and reliable cross-sectional shape. tune effect
Active Publication Date: 2020-07-03
ZHEJIANG UNIV
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Problems solved by technology
In traditional extrusion molding, changing the cross-sectional shape of plastic products requires changing the die, which consumes manpower and material resources, reduces production efficiency, and cannot achieve continuous changes in the cross-sectional shape of plastic products
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[0025] The present invention will be described in detail below according to the accompanying drawings and preferred embodiments, and the purpose and effect of the present invention will become clearer. The present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.
[0026] Such as Figure 1-2 As shown, it is a variable cross-section differential movable type die for preparing micro-nano structure, including a die body 1 with one side open, a strip metal block 2, an elastic part 3, a support plate 4, a linear moving device, a metal Block drive system; a plurality of strip-shaped metal blocks 2 are closely arranged at the opening of the die body 1, and the strip-shaped metal blocks 2 and the die body 1 form a complete die; both ends of the support plate 4 are fixed ...
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Abstract
The invention discloses a variable-section micronization movable type mouth model for preparing a micro-nano structure. The mouth model comprises a mouth model of which one surface is opened, stripy metal blocks, an elastic part, a supporting plate, a linear moving device and metal block driving systems, wherein a plurality of stripy metal blocks are closely arranged at the opening of the mouth model body and form a complete mouth model with the mouth die body; two ends of the supporting plate are fixed to the linear moving device; one end of the elastic part is fixedly connected to the supporting plate, and the other end of the elastic part is fixedly connected to the stripy metal block; and one end of each stripy metal block is connected to one stripy metal block driving system. According to the variable-section micronization movable type mouth model for preparing the micro-nano structure, one surface or a plurality of surfaces of the mouth model body are composed of the plurality of stripy metal blocks; the stripy metal blocks and the mouth model body form a mouth model mold cavity with variable section, and a micro-nano structure containing plastic product with dynamically variable section shape can be further extruded, and moreover, the section shape is convenient to adjust; and the quality of the extruded plastic product is stable.
Description
technical field [0001] The invention relates to an extrusion molding technology for plastic products, in particular to a variable cross-section micro-differentiation movable type die for preparing micro-nano structures. Background technique [0002] Variable cross-section cross-scale micro-nano structural plastic products refer to special structures with variable cross-sectional shapes that have a macro-scale in one dimension and micro-nano scale in the other two dimensions. Although there are many common micro-nano structure molding methods, the bottleneck of efficient intelligent processing technology that can prepare cross-scale micro-nano structure plastic products and reach commercial application scale has not yet been broken through. Among the micro-nano structure processing technologies, micro-injection molding, micro-hot pressing and LIGA technology have realized the precision machining of general micro-nano structures. However, its processing efficiency and capacit...
Claims
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IPC IPC(8): B29C48/30
CPCB29C48/302
Inventor 许忠斌刘君峰黄兴郑素霞赵健翔
Owner ZHEJIANG UNIV