A Spinning Rapid Prototyping Technology for Rotational Mold
A rotomolding mold and molding process technology, applied in the field of rotomolding, can solve the problems of inability to use aluminum molds, low melting point of aluminum molds, long processing cycles, etc., and achieve the effects of long service life, wide application range and low cost.
Active Publication Date: 2016-05-04
WENLING RISINGSUN ROTATIONAL MOLDING TECH
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Problems solved by technology
[0002] It is difficult to form spherical, oval, oblate, hemispherical, parabolic, hyperboloid and other rotomolding molds. At present, aluminum molds are generally used to form on CNC machining center machines, but the processing cycle is long and the processing cost is expensive. And There are many defects in the aluminum mold, and the surface smoothness is not easy to meet the technical requirements. Usually, it needs to be treated with Teflon before it can be used.
In addition, due to the low melting point of the aluminum mold (about 660.4°C), it begins to soften at about 450°C to 500°C, resulting in deformation of the plastic product. mold
There are also steel plate molds on the market, but they are usually shaped by hammering after artificial heating, it is difficult to polish and polish, and its smoothness is difficult to meet the requirements
Method used
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[0011] The following are specific embodiments of the present invention and in conjunction with the accompanying drawings, the technical solutions of the present invention are further described, but the present invention is not limited to these embodiments.
[0012] As shown in Figure 1, the detailed steps of the spinning rapid prototyping process of this rotomolding mold are as follows:
[0013] 1) Determining the number of dies: the rotational molding mold to be processed is designed to be assembled from several templates after being processed into dies with a cavity respectively. The rotational molding die to be processed in this embodiment is composed of two Assembled from modules;
[0014] 2), the first die processing and forming: one of the templates is placed in the mold forming tooling on the workbench of the spinning rapid prototyping machine, and one of the dies to be processed by the template is input to the spinning rapid prototyping machine. Each surface parameter...
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The invention provides a fast spin forming process for a rotomolding mould, belonging to the technical field of rotomolding and solving the problem that the rotomolding mould manufactured by using the traditional fast spin forming processes has inadequate accuracy and smoothness. The fast spin forming process for the rotomolding mould comprises the following steps of: (1) determining the number of mould plates; (2) processing and forming the mould plates; and (3) splicing. The fast spin forming process for the rotomolding mould has the advantages of high accuracy of the manufactured rotomolding mould, high smoothness, low cost, long service life and wide applicable range.
Description
technical field [0001] The invention belongs to the technical field of rotomolding, and relates to a spinning rapid prototyping process of a rotomolding mould. Background technique [0002] It is difficult to form spherical, oval, oblate, hemispherical, parabolic, hyperboloid and other rotomolding molds. At present, aluminum molds are generally used to form on CNC machining center machines, but the processing cycle is long and the processing cost is expensive. And The aluminum mold has many defects, and the surface smoothness is not easy to meet the technical requirements. Usually, it needs to be treated with Teflon before it can be used. In addition, due to the low melting point of the aluminum mold (about 660.4°C), it begins to soften at about 450°C to 500°C, resulting in deformation of the plastic product. mold. There are also steel plate molds on the market, but they are usually formed by hammering after artificial heating, which is difficult to polish and polish, and ...
Claims
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IPC IPC(8): B21D22/14
Inventor 朱国才江辉王昌荣李文磊周永剑陈银君
Owner WENLING RISINGSUN ROTATIONAL MOLDING TECH