CN223266163U

CN223266163U - Two-section top inclined ejection injection mold

Info

Publication number: CN223266163U
Application number: CN202422623123.2U
Authority: CN
Inventors: 高士军; 张荣聪
Original assignee: Xiamen Duowei Precision Mould Co ltd
Current assignee: Xiamen Duowei Precision Mould Co ltd
Priority date: 2024-10-29
Filing date: 2024-10-29
Publication date: 2025-08-26
Anticipated expiration: 2034-10-29

Abstract

The utility model relates to the technical field of inclined top injection molds, and discloses a two-stage inclined top injection mold, including an inclined top injection mold body, the inclined top injection mold body is mainly composed of an upper template, a lower template, an ejector plate, a male template, and a female template, and a two-stage top inclined top assembly is built in between the male template and the female template. By setting the two-stage top inclined top assembly, the ejection and return of the product during the injection molding process can be effectively achieved, and the production efficiency is significantly improved. The design of the inclined insert not only improves the precision inside the product, but also strengthens the overall structural stability of the mold. In the molding process of the product, the inclined insert is used for the inner side of the product to be buckled, and can also reduce the deformation rate of the product. The pull rod plays the role of applying tension and thrust to the inclined insert. The design of the guide block is aimed at accurately positioning the guide pull rod. This component structure is simple and safe to operate, compact in structure, and occupies little space. It is suitable for products with complex internal structures.

Description

Two-section top inclined ejection injection mold

Technical Field

The utility model relates to the technical field of oblique ejection injection molds, in particular to a two-section ejection oblique ejection injection mold.

Background

The mould is usually demoulded by adopting a straight ejection mode, the inclined ejection and the inner drawing are usually adopted when the inner shape of the product is provided with a buckling position, a boss or a concave surface, the outer drawing is usually adopted when the outer side surface of the product is provided with a surface which is required to be loosed, for example, the outer surface is provided with a convex surface and a concave surface or a hole site, the outer drawing distance is relatively short, the inclined guide pillar mode is usually adopted, the outer drawing distance is relatively long, the core is usually adopted by adopting a hydraulic or mechanical mode, and the inclined ejection, the sliding block, the row position and the stop lock are commonly referred to as the inclined ejection hereinafter as mould parts.

The outer side of the existing product is used as a sliding block, but the inside is also provided with a back-off which needs to be demolded, the conventional method is to perform inclined ejection and demolding, so that the conventional inclined ejection is not easy to drop after ejection, and the product is easy to clamp. Therefore, a two-stage ejection oblique ejection injection mold is developed.

Disclosure of utility model

The utility model aims to provide a two-stage ejection inclined ejection injection mold so as to solve the problems in the background technology.

The technical scheme is that the two-section ejection oblique ejection injection mold comprises an oblique ejection injection mold main body, wherein the oblique ejection injection mold main body mainly comprises an upper mold plate, a lower mold plate, an ejector pin plate, a male mold plate and a female mold plate, and two-section ejection oblique ejection assemblies are arranged between the male mold plate and the female mold plate.

Preferably, the two-section top oblique top assembly comprises two outer sliding blocks, a product is arranged between the two outer sliding blocks, the product is in a convex square shape, the outer side of the upper end of the product is provided with an outer back-off, and the two sides of the inner wall of the lower end of the product are provided with inner back-off.

Preferably, two inclined inserts are arranged in the product, the outer wall of the top end of each inclined insert is matched with the inner wall of the product, and the bottom end of each inclined insert is provided with an integrally extending pin convex body.

Preferably, the two-section top oblique top assembly further comprises a pull rod and a guide block arranged on the outer wall of the pull rod in a sliding manner.

Preferably, a notch matched with the integrally extending pin boss is formed in one side of the top end of the pull rod, and a pull rod screw is arranged at the bottom end of the pull rod.

The utility model provides a two-stage ejection oblique ejection injection mold. The beneficial effects are as follows:

(1) According to the utility model, the product is designed into a convex square shape, the outer side of the upper end of the product is externally and reversely buckled, and the two sides of the inner wall of the lower end of the product are internally and reversely buckled, so that the smooth sliding of the outer sliding block can be ensured, the problem of product clamping stagnation caused by internally and reversely buckling can be effectively avoided in the demolding process of the product, and the efficient and stable demolding process is realized.

(2) The utility model can effectively realize the ejection and return of products in the injection molding process by arranging the two-section ejection oblique ejection assembly, and the production efficiency is obviously improved, the design of the oblique insert not only improves the internal precision of the products, but also strengthens the integral structural stability of the die, and in the molding process of the products, the oblique insert is used for the back-off of the inner side of the products, and can also reduce the deformation rate of the products, the pull rod plays a role of exerting the pulling force and the pushing force on the oblique insert, and the guide block is designed, so that the assembly has the advantages of simple and safe structural action, compact structure and small occupied space and is suitable for products with complex internal structures.

Drawings

FIG. 1 is a perspective view of the overall structure of the present utility model;

FIG. 2 is a schematic cross-sectional view of the overall structure of the present utility model;

FIG. 3 is a view of a two-stage roof tilt assembly of the present utility model;

FIG. 4 is a perspective view of the structure of the article of the present utility model;

FIG. 5 is a view of the present utility model in a return state;

Fig. 6 is an ejection state view of the present utility model.

In the drawing, an oblique ejection injection mold main body 1, an upper template 11, a lower template 12, an ejector plate 14, a male template 13, a female template 15, a two-stage ejection oblique ejection assembly 2, an outer sliding block 21, a product 22, an outer back-off 221, an inner back-off 222, an oblique insert 23, an integrally extending pin boss 231, a pull rod 24, a notch 241, a guide block 25 and a pull rod screw 26.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Examples of the embodiments are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements throughout or elements having like or similar functionality. The embodiments described below by referring to the drawings are illustrative and intended to explain the present utility model and should not be construed as limiting the utility model.

The preferred embodiment of the two-stage ejection injection mold provided by the utility model is shown in fig. 1-6, and comprises an ejection injection mold main body 1, wherein the ejection injection mold main body 1 mainly comprises an upper template 11, a lower template 12, an ejector plate 14, a male template 13 and a female template 15, a two-stage ejection assembly 2 is arranged between the male template 13 and the female template 15, the two-stage ejection assembly 2 comprises two outer sliding blocks 21, a product 22 is arranged between the two outer sliding blocks 21, the product 22 is in a convex square shape, the outer side of the upper end of the product 22 is provided with an outer inverted buckle 221, the inner side of the inner wall of the lower end of the product 22 is provided with an inner inverted buckle 222, two inclined inserts 23 are arranged in the product 22, the outer wall of the top end of the inclined inserts 23 is matched with the inner wall of the product 22, the bottom end of the inclined inserts 23 is provided with an integrally extending pin boss 231, the two-stage ejection assembly 2 further comprises a pull rod 24, a guide block 25 arranged on the outer wall of the pull rod 24 in a sliding manner, one side of the top end of the pull rod 24 is provided with a notch which is matched with the integrally extending pin boss 241, and a screw is arranged at the bottom end of the pull rod boss 24. By designing the pull rod screw 26, the function of fixing the pull rod 24 is achieved.

When the mold is used, the mold is precisely matched with the two-section ejection oblique ejection assembly 2, so that the product 22 is efficiently molded, in the injection molding process of the product 22, the smart design of the two-section ejection oblique ejection assembly 2 enables the demolding of the product to be smoother, the production efficiency is improved, the production cost is reduced, when the mold is opened, the slide block moves, the ejector plate starts to eject, the pull rod 24 is driven, the pull rod 24 ejects to drive the oblique insert 23, the oblique insert 23 stops moving after reaching a design stroke, the pull rod 24 and the ejector pin continue to eject, and finally the product is dropped.

It should be noted that the above-mentioned embodiments are merely preferred embodiments of the present utility model, and the present utility model is not limited thereto, but may be modified or substituted for some of the technical features thereof by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. The two-section ejection oblique ejection injection mold comprises an oblique ejection injection mold main body (1) and is characterized in that the oblique ejection injection mold main body (1) mainly comprises an upper mold plate (11), a lower mold plate (12), an ejector pin plate (14), a male mold plate (13) and a female mold plate (15), and a two-section ejection oblique ejection assembly (2) is arranged between the male mold plate (13) and the female mold plate (15).

2. The two-stage ejection and tilt-top injection mold according to claim 1, wherein the two-stage ejection and tilt-top assembly (2) comprises two outer sliding blocks (21), a product (22) is arranged between the two outer sliding blocks (21), the product (22) is in a convex square shape, the outer side of the upper end of the product (22) is provided with an outer back-off (221), and the two sides of the inner wall of the lower end of the product (22) are provided with inner back-off (222).

3. The two-stage ejection and ejection injection mold according to claim 2, wherein two inclined inserts (23) are arranged in the product (22), the top outer wall of each inclined insert (23) is matched with the inner wall of the product (22), and an integrally extending pin convex body (231) is arranged at the bottom end of each inclined insert (23).

4. The two-stage ejection and tilt-top injection mold according to claim 1, wherein the two-stage ejection and tilt-top assembly (2) further comprises a pull rod (24) and a guide block (25) slidably arranged on the outer wall of the pull rod (24).

5. The two-stage ejection oblique ejection injection mold of claim 4, wherein a notch (241) matched with the integrally-extending pin convex body (231) is formed on one side of the top end of the pull rod (24), and a pull rod screw (26) is arranged at the bottom end of the pull rod (24).