Injection molding method for multi-color products

Abstract

The invention discloses an injection molding method for multi-color products, based on a multi-color product injection molding machine, including a frame, a fixed template (1), a movable template (2), a tie rod (3), a mold transfer cylinder (4) and an injection unit , the fixed template (1) is set on one end of the tie rod (3), the movable template (2) is sleeved on the other end of the tie rod 3, and the mold transfer cylinder (4) is installed on the frame, The piston end of the mold oil cylinder (4) is connected with the movable template (2) to drive it to move; the middle plate (5) and the middle plate rotation mechanism (6) are set between the fixed template (1) and the movable template (2), so that The middle plate (5) is fixed to the middle plate rotation mechanism (6), and the middle plate (5) is driven to rotate by the middle plate rotation mechanism (6). Both sides of the middle plate (5) are used for installation mold. The invention adopts a plurality of injection stations, and the injection of two products can be realized by opening and closing the mold at one time, and at the same time, the middle plate can be rotated as required to realize multi-color injection.

Description

technical field [0001] The invention relates to the technical field of injection molding machines, in particular to an injection molding method for multi-color products, especially applicable to complex moulds. Background technique [0002] Paragraph In recent years, with the improvement of environmental protection awareness and supervision, the trend of replacing traditional raw materials with polymer recyclables has become greater. At the same time, the development of the material itself of new polymer materials has also led to more and more applications in the market. In particular, there is an increasing demand for large plastic components as well as multi-colored plastic components. [0003] For single-color molds, the existing mainstream production method is basically one injection molding machine and one pair of molds, and one product is produced by opening and closing the mold at a time. The machine and mold are relatively simple, and a single injection station can ...

AI Technical Summary

Problems solved by technology

When the vertical turntable hangs the mold, it will be subjected to an overturning moment of the mold. Although supports can be installed to counteract this force, there is a relatively large limit on the total weight of the mold. If the mold is too heavy, the vertical turntable cannot be used.

At the same time, the production efficiency of opening and closing the mold at most one product is insufficient, and it is difficult to meet people's needs for production efficiency and energy consumption reduction.

If the mold is more complicated, in order to realize multi-colored products on one side, the mold production will be extremely complicated, and the overall mold cost will increase geometrically. Ordinary injection molding machines cannot complete the production of medium and large molds. If production is required, a larger one needs to be purchased. the machine

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