An ejector device for an injection mold
An ejector device and injection mold technology, applied in the field of injection molds, can solve the problems of extremely inconvenient adjustment, unfavorable adjustment of ejector stroke, etc.
Inactive Publication Date: 2020-06-16
佛山市顺德区匡工精密模具有限公司
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Problems solved by technology
[0003] Invention application patent (application publication number: CN 106891492A) discloses an ejector device for a micro-injection molding machine, which does not require an independent driving force, and uses the relative movement of the non-moving part and the moving part during the mold opening process to push the thimble to make the product Ejection falls off; the ejection stroke of the thimble is completed by adjusting the length of the first bolt screwed to the front end of the ball screw, but because the first bolt is located inside, it is extremely inconvenient to adjust, which is not conducive to the ejection of the thimble stroke adjustment
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[0014] Such as figure 1 , figure 2 As shown, an ejector device of an injection mold includes a frame 10, a movable mold 20 and an ejector device 30; the frame 10 is arranged on the left side of the movable mold 20 and the movable mold 20 can translate left and right relative to the frame 10; The mold 20 is provided with a plurality of cylindrical ejection passage holes 200 penetrating left and right; the ejection passage hole 200 is elastically provided with a right ejector pin 21; cavity; the right end surface of the frame 10 is formed with an ejection adjustment support seat 11; the ejection device 30 includes a number of synchronous left and right adjustments that are arranged on the frame 10 and the ejection adjustment support seat 11 on the left ejector rod 14; the left ejector rod 14 The right end of the can be inserted into the ejection passage hole 200.
[0015] Such as figure 1 , figure 2 As shown, the cylindrical surface of the left part of the left push rod 14...
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The invention discloses an ejection device for an injection mold. The ejection device comprises a rack, a movable mold and an ejection device body. The rack is arranged at the left side of the movablemold, and the movable mold can achieve leftward and rightward translation relative to the rack. The movable mold is provided with multiple ejection passing holes, wherein the multiple ejection passing holes are through in the left-right direction and each internally provided with a right ejection rod in an elastic manner. An ejection adjustment support seat is formed on the right end face of therack. The ejection device body comprises multiple left ejection rods, wherein the multiple left ejection rods are arranged on the rack and the ejection adjustment support seat in a manner that the left ejection rods are synchronously adjusted in the left-right direction. The right ends of the left ejection rods can be arranged in the ejection passing holes in an inserted manner. By means of the ejection device, the ejection strokes of the right ejection rods can be controlled by adjusting the left-right positions of the left ejection rods, and thus, the right ejection rods can be prevented from being ejected into an inner chamber of a stationary mold; and meanwhile, the ejection position of each workpiece can be adjusted, and the subsequent procedures can be implemented conveniently.
Description
technical field [0001] The invention relates to the technical field of injection molds, in particular to an ejection device for injection molds. Background technique [0002] Injection mold is a tool for producing plastic products; it is also a tool for giving plastic products complete structure and precise dimensions. Injection molding is a processing method used in the mass production of certain complex-shaped parts. Specifically, it refers to injecting the heated and melted plastic into the mold cavity under high pressure from the injection molding machine, and after cooling and solidifying, a molded product is obtained. [0003] Invention application patent (application publication number: CN 106891492A) discloses an ejector device for a micro-injection molding machine, which does not require an independent driving force, and uses the relative movement of the non-moving part and the moving part during the mold opening process to push the thimble to make the product Eje...
Claims
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IPC IPC(8): B29C45/40
CPCB29C45/4005B29C2045/4036
Inventor 杨勇
Owner 佛山市顺德区匡工精密模具有限公司