Injection mould opening device
An injection mold, a pair of technology, applied in the field of injection molds, can solve the problems of high cost of mold opening, poor control of force, complicated structure of control mechanism, etc., and achieve the effect of favorable molding quality and convenient removal.
Active Publication Date: 2018-01-05
青岛旭正精密注塑有限公司
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Problems solved by technology
[0003] For general injection molds, manual mold opening is often used. The manual mold opening process is not easy to control. Too fast or too slow mold opening speed will have an adverse effect on the mold. Although machine mold opening can effectively solve the problem of mold opening speed control, but The structure of the control mechanism is often complex, and the cost of mold opening is relatively high
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[0018] Such as Figure 1 ~ Figure 3 As shown, a mold opening device of an injection mold includes an upper mold 10, a lower mold 20 and a mold opening device; the upper end surface of the lower mold 20 is formed with several cylindrical guide posts 21; the guide posts 21 are inserted from bottom to top Set on the lower end surface of the upper mold 10; the lower part of the front and rear end surfaces of the upper mold 10 is formed with several cylindrical driving guide rods 11 and the driving guide rods 11 are evenly distributed in a horizontal line; the mold opening device includes several driving eccentric wheels 24; The eccentric wheels 24 are equally divided into two groups and are arranged on the front and rear end surfaces of the lower mold 20 respectively; the end surface of the driving eccentric wheel 24 facing the lower mold is formed with an annular driving groove 240 coaxial with the central axis of the driving eccentric wheel 24; The driving guide rod 11 is slidab...
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The invention discloses an injection mould opening device. The injection mould opening device comprises an upper mould, a lower mould and a mould opening device body. A plurality of cylindrical guidecolumns are formed on the upper end face of the lower mould, and the guide columns are inserted in the lower end face of the upper mould from bottom to top. A plurality of cylindrical drive guide rodsare formed on the lower portions of the front end face and the rear end face of the upper mould, and the drive guide rods are horizontally, linearly and evenly distributed. The mould opening device body comprises a plurality of drive eccentric wheels which are evenly divided into two sets and arranged on the front end face and the rear end face of the lower mould correspondingly. Circular-ring-shaped drive slots coaxial with center shafts of the drive eccentric wheels are formed in the end faces, facing the lower mould, of the drive eccentric wheels. The drive guide rods are slidably arrangedin the drive slots. The interval between the center shafts of the drive eccentric wheels and a rotating center shaft is adjustable. The upper mould and the lower mould are separated slowly in the mould opening process, the molding quality of workpieces is facilitated, the mould opening stroke can be adjusted, and the workpieces can be taken out conveniently.
Description
technical field [0001] The invention relates to the technical field of injection molds, in particular to a mold opening 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] For general injection molds, manual mold opening is often used. The manual mold opening process is not easy to control. Too fast or too slow mold opening speed will have an adverse effect on the mold. Although machine mold opening can effectively solve the problem of mold opening speed control, but The structure of the control mechanism is o...
Claims
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Inventor 杨勇
Owner 青岛旭正精密注塑有限公司