A device for preventing the deformation of the side hole and hook structure of a deep cavity injection mold

Abstract

The invention discloses a device for preventing a side surface hole hook structure of a product from being deformed through a deep-cavity injection mold. The device comprises a transverse sliding block (1), a spring (2), a bolt (3), pressing strips (4) and a ram (5), wherein the transverse sliding block is provided with a sliding rail; the transverse sliding block and the sliding rail are connected to a position above a movable mold insertion slot in a liftable moving manner through the pressing strips; the ram presses against the lower surface of the transverse sliding block in a sliding manner; the ram is connected to an insertion slot through the bolt sleeved with the spring in an elastic lifting manner; a flange head of the bolt is positioned in a flange boss slot of the ram; the depth of the flange boss slot is greater than the height of the flange head, and a difference between the depth of the flange boss slot and the height of the flange head is a lifting clearance; during working, when the product actively moves in the longitudinal direction, the spring works, and the ram presses against the transverse sliding block to synchronously rise together with the product; after the transverse sliding block runs by the lifting clearance, the transverse sliding block stops rising and then is driven by an inclined guide column to be pulled out transversely; due to the technical scheme that the side surface hole hook structure of the product is prevented from being pulled to be deformed according to the upward movement of the transverse sliding block along with the product, a deep-barrel type injection molded product can fulfill the aims of eliminating pulling deformation and poor fit.

Description

technical field [0001] The invention relates to an injection mold, in particular to a deep cavity injection mold used to prevent the holes, ribs and hook structures on the side of the product from being strained and deformed due to the side core pulling of the horizontal slider when the deep cavity injection mold is opened. A device for preventing the deformation of the side hole and hook structure of the product. Background technique [0002] Deep barrel injection molding products, referred to as deep barrel products, are injection molded by deep cavity injection molds, such as the inner barrel products of wave wheel washing machines; when the deep cavity injection mold is opened, the horizontal slider synchronously presses the holes, ribs, The hook structure is used to pull the core laterally. At the beginning of the mold opening of the fixed mold, due to the covering force of the deep groove-shaped cavity of the fixed mold and the centripetal contraction force of the prod...

AI Technical Summary

Problems solved by technology

[0002] Deep barrel injection molding products, referred to as deep barrel products, are injection molded by deep cavity injection molds, such as the inner barrel products of wave wheel washing machines; when the deep cavity injection mold is opened, the horizontal slider synchronously presses the holes, ribs, The hook structure is used to pull the core laterally. At the beginning of the mold opening of the fixed mold, due to the covering force of the deep groove-shaped cavity of the fixed mold and the centripetal contraction force of the product itself, the deep barrel product will actively separate from the core of the movable mold. Longitudinal movement, because the active longitudinal movement occurs when the profile of the transverse slider has not drawn out the holes, ribs, and hook structures on the side of the product, which will cause the core-pulling surface of the transverse slider to strain and deform these structures; for this phenomenon , the existing technology adopts the modification of the hole, rib and hook structure of the product, in order to reduce the degree of strain deformation by increasing the stripping slope of the above structure 05, see Figure 7 However, the modification of the product cannot fundamentally solve the strain deformation of the above structure, and the deep barrel product after the modification of the above structure will also have the disadvantage of poor application fit; therefore, it is difficult to avoid strain deformation and poor fit in the prior art problems and deficiencies

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