Ultrasonic plasticizing forming system and forming method

Abstract

The invention provides an ultrasonic plasticizing forming system comprising a mold cavity template, a plasticizing distributing template, a plasticizing assembly and a needle valve assembly. The moldcavity template is provided with a mold cavity. The plasticizing distributing template comprises a body, a plasticizing cavity and at least one distributing channel. The plasticizing assembly comprises an ultrasonic amplitude-change pole and a plasticizing power source. The needle valve assembly comprises at least one needle valve single part comprising a valve needle and a valve needle power source. The application of the ultrasonic plasticizing forming system has the effects that the whole structure is simple; the ultrasonic amplitude-change pole can be inserted into the plasticizing cavity,ultrasonic plasticizing of particles can be achieved, and the particles are completely plasticized into melt; combined design of the plasticizing assembly, the plasticizing cavity in the plasticizingdistributing template and the needle valve single part in the needle valve assembly can be achieved, plasticizing time and plasticizing quality of the particles can be controlled effectively, the effect that a high-quality workpiece is obtained is ensured, raw materials are saved, and cost is lowered. The invention further discloses a forming method particularly adopting the ultrasonic plasticizing forming system to conduct forming, the process is simple, and product quality is good.

Description

technical field [0001] The invention relates to the technical field of molding, in particular to an ultrasonic plasticizing molding system and molding method. Background technique [0002] Compared with other micro-nano manufacturing technologies, micro-injection molding has the advantages of low production cost, high molding precision and easy batch automation. It has gradually become one of the key technologies of micro-nano manufacturing technology and the most widely used method for preparing MEMS components. Methods. [0003] At present, new requirements are put forward for the manufacturing technology of fine micro-nano structural parts, specifically: First, the conventional micro-injection molding screw plasticization method has serious material waste problems, especially in mass production and the molding of some special material micro-parts Second, the molding cycle and processing efficiency of micro-parts are low; finally, there are defects such as insufficient fi...

AI Technical Summary

Problems solved by technology

Since the plasticizing cavity is not closed, the polymer may be pressed into the cavity before it is fully plasticized (that is, it can only be filled while plasticizing), resulting in a decline in plasticizing quality, and there are problems that cannot effectively control the plasticizing time and plasticizing time of the polymer. Due to the problem of plasticization quality, ultrasonic plasticization molding products can not meet the quality requirements of practical applications.

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