Die for producing spray valve large button

The utility model discloses a die for producing a spray valve large button. The die comprises a front die and a back die. The die is characterized in that a front die cavity is formed in the front die; a hot runner system capable of injecting plastic in a molten state into the front die cavity is ar...

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1. Verfasser: DAI YUHUI
Format: Patent
Sprache:eng
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Zusammenfassung:The utility model discloses a die for producing a spray valve large button. The die comprises a front die and a back die. The die is characterized in that a front die cavity is formed in the front die; a hot runner system capable of injecting plastic in a molten state into the front die cavity is arranged at the upper part of the front die; a slide is arranged on the back die on one side of the front die cavity; a wedge is arranged on the outer side of the slide and connected with the back die through an insert and a pressing block; a sliding block insert for positioning a nozzle of the spray valve large button is connected onto the slide; a push plate insert matched with the front die cavity is arranged on the back die; a positioning pin for positioning a channel in the spray valve large button is arranged on the push plate insert; a sprue puller is arranged between the front die and the back die. The die for producing the spray valve large button aims to overcome defects in the prior art and is simple in structure and capable of effectively avoiding abrasions caused by popping of the front die to a hot nozzle.