Multidirectional inclined ejection mechanism of injection mold

By designing a multi-directional inclined ejector mechanism for injection molds, and utilizing components such as trapezoidal grooves, inclined grooves, and guide grooves in conjunction with electric push rods, the automatic ejection of the upper mold is achieved, solving the problem of sticking to the inclined ejector and improving the quality of mold production.

CN224103453UActive Publication Date: 2026-04-10ZHAOQING QIANGHONG PLASTIC MOLD CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-05-12
Publication Date
2026-04-10

AI Technical Summary

Technical Problem

Existing multi-directional ejector mechanisms for injection molds are prone to ejector sticking, leading to a decline in mold production quality.

Method used

A multi-directional inclined ejector mechanism for injection molds was designed, including components such as trapezoidal groove, inclined groove, guide groove, trapezoidal slider, electric push rod, limit slide, inclined support rod and ejector block. The electric push rod drives the movement of the inclined support rod and ejector block to realize the automatic ejection of the upper mold and avoid sticking to the inclined ejector.

Benefits of technology

This effectively avoids the phenomenon of sticking to the inclined ejector and improves the quality of mold production.

✦ Generated by Eureka AI based on patent content.

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    Figure CN224103453U_ABST
Patent Text Reader

Abstract

The utility model discloses a multidirectional inclined ejection mechanism of an injection mold in the technical field of injection molds, which comprises a lower mold and an upper mold, a trapezoidal groove is arranged on the inner side of the lower mold, an inclined groove is arranged above the trapezoidal groove, a guide groove is arranged on one side of the inclined groove, a trapezoidal sliding block is arranged on the inner side of the trapezoidal groove, and the trapezoidal sliding block is arranged in the guide groove. An electric push rod is arranged on one side of the trapezoidal sliding block, a limiting sliding groove is formed in the surface of the trapezoidal sliding block, an inclined supporting rod is arranged above the limiting sliding groove, an ejection block is arranged at the top end of the inclined supporting rod, and a groove is formed in the inner side of the ejection block. And when the ejector block ejects the upper mold, the upper mold can be automatically ejected through the ejector rod, so that the phenomenon of sticking to an inclined ejector is avoided, and the production quality of the mold is improved.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to injection mold technical field, concretely relates to a kind of injection mold multidirectional inclined ejection mechanism. BACKGROUND

[0002] Injection mold is a kind of tool for plastic injection molding, it is composed of movable die and fixed die, by clamping so that plastic material is filled in mold cavity under high pressure, form the product shape required, at a certain temperature, by screw stirring completely molten material, injection into mold cavity, after cooling solidification, obtain the method of molding product, injection mold has become a kind of mold that is very common in industrial production process, and inclined ejection mechanism is used to make the structure of injection product, which is inconsistent with the opening direction, smoothly demould, for example, product barb etc.

[0003] The existing injection mold multidirectional inclined ejection mechanism still has some defects, most of the inclined ejection mechanism on the glue position is more, and the tightness is relatively large, which is easy to make the mold appear the phenomenon of sticking inclined ejection, thereby reducing the quality of mold production, for this purpose, we propose a kind of injection mold multidirectional inclined ejection mechanism. UTILITY MODEL CONTENT

[0004] The utility model is to provide a kind of injection mold multidirectional inclined ejection mechanism to solve the problems raised in the above background.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of injection mold multidirectional inclined ejection mechanism, including lower mould and upper mould, the inside of lower mould is equipped with trapezoidal groove, the top of trapezoidal groove is equipped with inclined groove, the side of inclined groove is equipped with guide slot, the inside of trapezoidal groove is equipped with trapezoidal slider, the side of trapezoidal slider is equipped with electric push rod, the surface of trapezoidal slider is equipped with limit sliding groove, the top of limit sliding groove is equipped with inclined strut, the top of inclined strut is equipped with top block, the inside of top block is equipped with recess, the side of recess is equipped with perforation, the inside of perforation is equipped with top rod, the one end of top rod is equipped with limit block, the surface of top rod is equipped with spring, the one end of top rod is equipped with connecting block, the side of connecting block is equipped with inclined surface.

[0006] Preferably, the top of trapezoidal groove is obliquely provided with inclined groove, the trapezoidal groove is communicated with the inclined groove, the side edge of the inclined groove is provided with guide slot, and the inside of the trapezoidal groove is horizontally slidably connected with the trapezoidal slider.

[0007] Preferably, the side of the trapezoidal slider is fixedly connected with the output end of the electric push rod, the top of the limit sliding groove is limitingly and slidably installed with the inclined strut, and the top of the inclined strut is slidably connected with the inside of the inclined groove.

[0008] Preferably, the top end of the inclined support rod is fixedly connected with a top block, the recess communicates with the through hole, and the inside of the through hole extends to the surface of the lower mold.

[0009] Preferably, the inside of the through hole is slidably provided with a top rod, one end of the top rod is fixedly provided with a limiting block, and the limiting block and the connecting block are arranged on the inside of the recess.

[0010] Preferably, one end of the spring is fixedly connected with the inner wall of the recess, the other end of the spring is fixedly connected with one side of the limiting block, and the inclined surface is arranged on the inner wall of the guide groove.

[0011] Compared with the prior art, the utility model has the advantages that:

[0012] When the top block is used for ejecting the upper mold, the top rod is used for automatically ejecting the upper mold, so that the phenomenon of sticking to the inclined top is avoided, and the quality of mold production is improved. BRIEF DESCRIPTION OF DRAWINGS

[0013] Fig. 1 It is a schematic view of a front section structure of the utility model;

[0014] Fig. 2 It is a schematic view of the internal structure of the trapezoidal groove of the utility model;

[0015] Fig. 3 It is a schematic view of the overall structure of the utility model.

[0016] In the drawing: 1, lower mold; 2, upper mold; 3, trapezoidal groove; 4, inclined groove; 5, guide groove; 6, trapezoidal sliding block; 7, electric push rod; 8, limiting sliding groove; 9, inclined support rod; 10, top block; 11, recess; 12, through hole; 13, top rod; 14, limiting block; 15, spring; 16, connecting block; 17, inclined surface. DETAILED DESCRIPTION

[0017] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings of the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0018] Please refer to Figs. 1-3The utility model provides a kind of technical scheme: a multi-directional inclined ejector mechanism of injection mold, including lower mould 1 and upper mould 2, the inside of lower mould 1 is equipped with trapezoidal groove 3, the top of trapezoidal groove 3 is equipped with chute 4, one side of chute 4 is equipped with guide slot 5, the inside of trapezoidal groove 3 is equipped with trapezoidal slider 6, one side of trapezoidal slider 6 is equipped with electric push rod 7, the surface of trapezoidal slider 6 is equipped with limit sliding groove 8, the top of limit sliding groove 8 is equipped with inclined strut 9, the top of inclined strut 9 is equipped with top block 10, the inside of top block 10 is equipped with recess 11, one side of recess 11 is equipped with perforation 12, the inside of perforation 12 is equipped with ejector rod 13, one end of ejector rod 13 is equipped with limit block 14, the surface of ejector rod 13 is equipped with spring 15, one end of ejector rod 13 is equipped with connecting block 16, one side of connecting block 16 is equipped with inclined surface 17.

[0019] Specifically, the top of trapezoidal groove 3 is obliquely provided with chute 4, trapezoidal groove 3 is communicated with chute 4, one side edge of chute 4 is provided with guide slot 5, the inside of trapezoidal groove 3 is transversely slidably connected with trapezoidal slider 6, one side of trapezoidal slider 6 is fixedly connected with the output end of electric push rod 7, the top of limit sliding groove 8 is limitingly and slidably installed with inclined strut 9, the top of inclined strut 9 is slidably connected to the inside of chute 4, the top of inclined strut 9 is fixedly connected with top block 10, recess 11 is communicated with perforation 12, the inside of perforation 12 extends to the surface of lower mould 1, the inside of perforation 12 is slidably provided with ejector rod 13, one end of ejector rod 13 is fixedly installed with limit block 14, limit block 14 and connecting block 16 are both arranged in the inside of recess 11, one end of spring 15 is fixedly connected with the inner wall of recess 11, the other end of spring 15 is fixedly connected with one side of limit block 14, inclined surface 17 is attached to the inner wall of guide slot 5.

[0020] In the embodiment, the operation of electric push rod 7 can drive trapezoidal slider 6 to move left in the inside of trapezoidal groove 3, the left movement of trapezoidal slider 6 can drive the bottom of inclined strut 9 to slide in the inside of limit sliding groove 8, so as to drive inclined strut 9 to move up in the inside of chute 4, the upward movement of inclined strut 9 can drive top block 10 to rise, and the upward movement of top block 10 can drive upper mould 2 to be lifted, thereby achieving the effect of mold separation. Fig. 2 The upward route of the left side wall of guide slot 5 is right-tilted, during the upward movement of top block 10, the inclined surface 17 on one side of connecting block 16 will gradually slide rightward along the edge of guide slot 5, and the pressure on spring 15 is gradually increased, so that ejector rod 13 gradually extends from the right end of perforation 12, thereby ejecting upper mould 2, and avoiding the situation of glue sticking.

[0021] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A multi-directional inclined ejector mechanism for injection moulds comprising a lower mould (1) and an upper mould (2), characterised in that: The inner side of the lower mold (1) is provided with a trapezoidal groove (3), the upper side of the trapezoidal groove (3) is provided with an inclined chute (4), one side of the inclined chute (4) is provided with a guide groove (5), the inner side of the trapezoidal groove (3) is provided with a trapezoidal slider (6), one side of the trapezoidal slider (6) is provided with an electric push rod (7), the surface of the trapezoidal slider (6) is provided with a limiting sliding groove (8), the upper side of the limiting sliding groove (8) is provided with an inclined support rod (9), the top end of the inclined support rod (9) is provided with a top block (10), the inner side of the top block (10) is provided with a groove (11), one side of the groove (11) is provided with a perforation (12), the inside of the perforation (12) is provided with a jacking rod (13), one end of the jacking rod (13) is provided with a limiting block (14), the surface of the jacking rod (13) is provided with a spring (15), one end of the jacking rod (13) is provided with a connecting block (16), one side of the connecting block (16) is provided with an inclined surface (17).

2. A multi-directional angled ejector mechanism for an injection mold according to claim 1, wherein: The upper side of the trapezoidal groove (3) is obliquely provided with an inclined chute (4), the trapezoidal groove (3) is communicated with the inclined chute (4), one side edge of the inclined chute (4) is provided with a guide groove (5), and the inner side of the trapezoidal groove (3) is transversely and slidably connected with a trapezoidal slider (6).

3. A multi-directional angled ejector mechanism for an injection mold according to claim 1, wherein: One side of the trapezoidal slider (6) is fixedly connected with the output end of the electric push rod (7), the upper side of the limiting sliding groove (8) is limitingly and slidably installed with an inclined support rod (9), and the upper side of the inclined support rod (9) is slidably connected to the inside of the inclined chute (4).

4. A multi-directional angled ejector mechanism for an injection mold in accordance with claim 1, wherein: The top end of the inclined support rod (9) is fixedly connected with a top block (10), the groove (11) is communicated with the perforation (12), and the inside of the perforation (12) extends to the surface of the lower mold (1).

5. A multi-directional angled ejector mechanism for an injection mold in accordance with claim 1, wherein: The inside of the perforation (12) is slidably provided with a jacking rod (13), one end of the jacking rod (13) is fixedly installed with a limiting block (14), and the limiting block (14) and the connecting block (16) are both arranged on the inner side of the groove (11).

6. A multi-directional angled ejector mechanism for an injection mold in accordance with claim 1, wherein: One end of the spring (15) is fixedly connected with the inner wall of the groove (11), the other end of the spring (15) is fixedly connected with one side of the limiting block (14), and the inclined surface (17) is arranged on the inner wall of the guide groove (5).