Slider pin drawing mechanism and injection mold

Abstract

The invention discloses a slider pin drawing mechanism and an injection mold. The slider drawn needle mechanism comprises a slider, a pin, a slide seat and a guide block, wherein a slide cavity matched with the slider is formed in the slide seat, one end of the slider is inserted into the slide cavity, and the other end of the slider is connected with the pin which is parallel to the slider; a via hole communicated with the slide cavity is formed in one side, corresponding to the guide block, of the slider, and one end of the guide block is inserted into the slide cavity through the via hole; one end, inserted into the slide cavity, of the slider is in guide fit with one end, inserted into the slide cavity, of the guide block; the slider retracts towards the inner side of the slide cavity under the guide action of the guide block when the end, inserted into the slide cavity, of the guide block is drawn outwards from the via hole; the slider extends towards the outer side of the slide cavity under the guide action of the guide block when the guide block is inserted into the slide cavity through the via hole. According to the technical scheme, the material cost of the injection mold is reduced, the processing amount is reduced, the molding cycle is shortened, and the mold strength is enhanced.

Description

technical field [0001] The invention relates to the technical field of injection molds, in particular to a slider needle-drawing mechanism and an injection mold. Background technique [0002] In the existing injection mold design, it is often encountered that there are many bump holes on the side of the product and they are relatively close to each other. In this case, when designing the mold, if it is designed to make a separate oil cylinder for each bump hole, the oil cylinder will take up a lot of space, which will not be realized due to insufficient space; in order to realize the injection molding production of products with multiple bump holes, injection molding The mold is designed as an integral oil cylinder to draw needles, but this will lead to a large volume of the slider or oil cylinder, resulting in increased material costs, increased processing volume, and longer molding cycle. Moreover, most of the mold space is occupied by the oil cylinder. The strength of the...

AI Technical Summary

Problems solved by technology

In this case, when designing the mold, if it is designed to make a separate cylinder for each bump hole, the oil cylinder will take up a lot of space, and it will not be possible due to insufficient space; in order to realize the injection molding production of products with multiple bump holes, injection molding The mold is designed as an integral oil cylinder to draw needles, but this will lead to a large volume of the slider or oil cylinder, resulting in increased material costs, increased processing volume, and longer molding cycle. Moreover, most of the mold space is occupied by the oil cylinder. The strength of the mold also get weaker

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