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What is the core pulling mechanism of injection mold?
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What is the core pulling mechanism of injection mold?

Views: 5     Author: Site Editor     Publish Time: 2023-03-31      Origin: Site

What is the core pulling mechanism of injection mold?

The core pulling of injection mold is to make the parts with side hole or side concave into movable core. When the plastic parts are demoulded, the movable core is extracted first, and then the plastic parts are pushed out from the mold to complete the movable core extraction and reset mechanism is called the core pulling mechanism. When the plastic parts have inner and outer holes or side pits in different directions from the opening of the mold, the plastic parts must be directly demoulded, and the inclined slide core pulling mechanism must be used.

The core pulling mechanism is divided according to the function, which is generally composed of five parts: forming component, moving component, transmission component, locking component and limiting component. There are two kinds of movement of the core pulling mechanism of the injection mold: first, the lateral core pulling is first completed when the mold is opened, and then the product is pushed out; Second, lateral core-pulling and parting are carried out at the same time.

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Injection mold molding components, mainly used to form products on the side of the hole, concave and convex steps or surfaces, including core, block, etc.; The moving component is mainly used to connect and move the core or block in the guide groove of the mold sleeve movement, including sliding block, inclined sliding block; The transmission component is mainly used to drive the moving component to pull the core and insert the core action, including the inclined guide column, rack, hydraulic core pulling mechanism, etc.; The locking component is mainly used to lock the moving component after closing the mold to prevent the displacement caused by reverse pressure during injection molding, including the wedge block, wedge block, etc.; The limiting component is mainly used to make the moving component stay in the required position after opening the mold to ensure that the transmission component works smoothly when closing the mold, including the limiting block, limiting nail, etc.

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When the product has a different direction with the opening of the inner hole, the outer hole or the concave side, in addition to very few cases can be forced to release, generally must be formed side hole or concave parts into a movable structure. The mission of Fanstar is to master the core technology of injection molding production, communicate and analyze the technology before mold production with customers from the production needs of finished products, so that the mold delivery time is short, the life is long, the mass production is fast and the finished product quality is excellent!

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