Circulation structure of injection molding machine
A technology of injection molding machine and barrel, applied in the field of circulation structure of injection molding machine, can solve problems such as production difficulties, and achieve the effect of preventing long-term heat discoloration
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[0011] The present invention will be described in further detail below in conjunction with accompanying drawing and specific embodiment: see Figure 1 to Figure 2 , a circulation structure of an injection molding machine, comprising a front barrel 1 and a barrel 2, the front barrel 1 is provided with a feeding channel 11, the barrel 2 is provided with a plunger channel 21, and the plunger The channel 21 is connected with the feed channel 11, the plunger channel 21 is provided with a plunger 3, the side of the barrel 2 is provided with a feed port 22, and the top of the plunger 3 is provided with a diameter smaller than the inlet port. The boss 31 of the material channel 11, the plunger 3 and the boss 31 are provided with two openings located at the top of the boss 31 and a number of first passages 32 on the side walls of the plunger 3; when the boss When the head 31 fully extends into the feed channel 11 , the opening of the side wall of the plunger 3 communicates with the fee...
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