Ultrasonic vibration micro-foaming injection moulding device and ultrasonic vibration micro-foaming injection moulding method for plastic inspection well
A technology of plastic inspection wells and ultrasonic vibration, applied in the coating and other directions, can solve the problems of high consumption of plastic raw materials, low foaming efficiency, low product strength, etc., and achieve the effects of improving mechanical strength, enhancing mechanical strength, and eliminating weld lines.
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[0037] Example 1: See attached figure 1 ~ Attached Figure 5 , A plastic inspection well ultrasonic vibration micro-foaming injection molding device, including a fixed template 5, a movable template 8, a mold core and a hot runner system, an ultrasonic vibration device 9, and a control system 10. The mold core includes a mold main core 6 , Side-drawn core 7, the mold core is located between the fixed template 5 and the movable template 8, the side-drawn core 7 is adjacent to the main mold core 6, and the mold core is located between the fixed template 5 and the movable template 8. The mold cavity 11, the hot runner system is set on the fixed mold plate 5, and the fixed mold plate 5 is provided with a through cavity 5-1. The hot runner system includes a sprue sleeve 1 embedded in the through cavity 5-1 of the fixed mold plate 5 The heater 2, the sprue 1-1, and the rotatable steering switch 3 provided on the sprue 1-1 are arranged on the outer edge of the sprue sleeve 1, and the ...
Example Embodiment
[0052] Example 2: See attached figure 1 ~ Attached Figure 5 , A plastic inspection well ultrasonic vibration micro-foaming injection molding device, in this embodiment, the matching gap between the arc-shaped protrusion 7-1 of the side-drawn core 7 and the arc-shaped groove 6-1 of the mold main core 6 is 0.05mm; The lower end of the main mold core 6 is clearance fit with the second through hole 8-1-2 of the stepped through hole 8-1 on the movable template 8 with a clearance of 0.03 mm; the steering switch 3 is a cylindrical valve. The rest of the structure is the same as in Example 1.
[0053] The injection molding method using a plastic inspection well ultrasonic vibration micro-foaming injection molding device includes two stages: injection molding and micro-foaming. The first is injection molding, which includes the following steps:
[0054] (1) First, prepare before injection and perform plasticization by the injection molding machine. According to the injection molding proce...
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