CN222096860U - High-precision injection mold - Google Patents

Abstract

The utility model relates to the technical field of injection molds, and specifically discloses a high-precision injection mold, including a base, a bearing platform slidably connected to the base, a lower mold installed on the bearing platform, an upper mold slidably connected to the lower mold; an injection space is formed between the upper mold and the lower mold, a mold core is installed inside the injection space to injection-mold a workpiece; an ejector assembly is arranged between the base and the lower mold. Therefore, when the injection mold is in use, the upper mold and the lower mold are closed, and the raw material is injected into the injection space, and the workpiece is obtained after cooling and molding, thereby improving the accuracy of the workpiece after injection molding. After cooling and molding, the lower mold is driven downward to slide downward, and the workpiece is ejected from the injection space by the ejector assembly during the sliding stroke of the lower mold to realize the demoulding operation of the workpiece, which can not only improve the accuracy of the injection mold during injection molding, but also facilitate the demoulding operation of the injection mold to meet the work needs.

Description

High-precision injection mold

Technical Field

The utility model relates to the technical field of injection molds, in particular to a high-precision injection mold.

Background

Injection molding, also known as injection molding, is a method of injection and molding. The injection molding method has the advantages of high production speed, high efficiency, automatic operation and various designs and colors. The injection molding product is a product which is formed by heating, plasticizing and melting plastic by an injection molding machine, injecting the plastic into a cavity of a molding die for molding, cooling, solidifying the melt, demolding and injecting by the injection molding machine. Injection molds have become a common apparatus for forming workpieces.

As is known, after injection molding, a workpiece is usually used together with other parts, so that the precision requirement on the parts is very high, otherwise, the workpiece cannot be normally used. However, in the existing injection mold, the shape inside the workpiece is difficult to mold, and after the injection molding of the mold is realized by adopting a complex structure, the mold is difficult to rapidly release, so that certain defects exist.

Disclosure of utility model

The utility model aims to provide a high-precision injection mold so as to solve the problems in the prior art.

The high-precision injection mold comprises a base, wherein a bearing table is connected to the base in a sliding mode, a lower mold is installed on the bearing table, an upper mold is connected to the lower mold in a sliding mode, an injection molding space is formed between the upper mold and the lower mold, a mold core is installed in the injection molding space to form a workpiece in an injection molding mode, and an ejection assembly is arranged between the base and the lower mold to eject the workpiece after injection molding from the injection molding space.

The ejection assembly comprises a base, a plurality of groups of ejector pins fixedly connected to the base, the ejector pins are connected with the injection molding space in a sliding mode through ejection openings, a driving piece for driving the bearing table to slide is arranged on the base, the driving piece drives the bearing table to drive the lower die to slide, and the ejector pins eject a workpiece.

Further, a plurality of groups of limiting components are arranged between the bearing table and the base.

Further, the limiting piece comprises a limiting rod fixedly connected to the base, a limiting groove matched with the limiting rod is formed in the bearing table, and the limiting rod is in sliding connection with the bearing table through the limiting groove.

Further, two lower dies are installed on the bearing table, and an upper die is arranged on each lower die.

Compared with the prior art, the high-precision injection mold has the beneficial effects that through the matching among the base, the bearing table, the upper mold, the lower mold, the ejection assembly and the like, when the injection mold is used, the upper mold and the lower mold are closed, raw materials are injected into an injection space, a workpiece is obtained after cooling molding, the precision of the workpiece after injection molding is improved, the lower mold is driven to slide downwards after cooling molding, the workpiece is ejected out of the injection space through the ejection assembly in the sliding stroke of the lower mold, so that the demolding operation of the workpiece is realized, the precision of the injection mold during injection molding can be improved, the demolding operation of the injection mold is convenient, the working requirement is met, and the practicability of the injection mold is improved.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings required for the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments described in the present utility model, and other drawings may be obtained according to these drawings for a person having ordinary skill in the art.

FIG. 1 is a schematic diagram of an overall structure according to an embodiment of the present utility model;

Fig. 2 is a schematic structural diagram of a lower mold mounting manner according to an embodiment of the present utility model;

FIG. 3 is a schematic view of an injection molding space opening position structure according to an embodiment of the present utility model;

FIG. 4 is a schematic diagram of a mold insert mounting position according to an embodiment of the present utility model;

FIG. 5 is a schematic view of a workpiece structure according to an embodiment of the present utility model;

Fig. 6 is a schematic diagram of a structure of a carrying platform according to an embodiment of the present utility model.

The reference numerals indicate that 1, a base, 2, a bearing table, 3, an upper die, 4, a lower die, 5, an injection molding space, 6, a die core, 7, a workpiece, 8, an ejection port, 9 and a limiting piece.

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.

Referring to fig. 1-6, the utility model provides a technical scheme that the high-precision injection mold comprises a base 1, wherein a bearing table 2 is slidably connected to the base 1, a lower mold 4 is mounted on the bearing table 2, an upper mold 3 is slidably connected to the lower mold 4, an injection molding space 5 is formed between the upper mold 3 and the lower mold 4, a mold core 6 is mounted in the injection molding space 5 to injection mold a workpiece 7, an ejection assembly is arranged between the base 1 and the lower mold 4, and the injection molded workpiece 7 is ejected from the injection molding space 5.

Specifically, the high-precision injection mold comprises a base 1, wherein a bearing table 2 is connected to the base 1 in a sliding manner, a lower mold 4 is arranged on the bearing table 2, and an upper mold 3 is connected to the lower mold 4 in a sliding manner. Specifically, the mold frame is further included, wherein the upper mold 3 is mounted on the mold frame. Wherein an injection molding space 5 is formed between the upper mold 3 and the lower mold 4 for completing the injection molding industry. Wherein the mould core 6 is installed in the injection molding space 5, specifically, the shape of the mould core 6 is designed according to the requirement of the working environment so as to injection mold the workpiece 7, thereby meeting the working requirement, and an ejection assembly is arranged between the base 1 and the lower mould 4 so as to eject the injection molded workpiece 7 from the injection molding space 5. Specifically, a driving member for driving the carrying table 2 to slide is arranged on the base 1 so as to realize demoulding operation of the workpiece 7. Therefore, when the injection mold is used, the upper mold 3 and the lower mold 4 are closed, the injection molding raw materials are injected into the injection molding space 5, the workpiece 7 is obtained after cooling molding, the accuracy of the injection molding of the workpiece 7 is improved, the lower mold 4 is driven to slide downwards after cooling molding, the workpiece 7 is ejected out of the injection molding space 5 through the ejection assembly in the sliding stroke of the lower mold 4, so that the demolding operation of the workpiece 7 is realized, the accuracy of the injection molding of the injection mold can be improved, meanwhile, the demolding operation of the injection mold is facilitated, the working requirement is met, and the practicability of the injection mold is improved.

In the embodiment provided by the utility model, the ejection assembly comprises a plurality of groups of ejector pins fixedly connected to the base 1, the ejector pins are in sliding connection with the injection molding space 5 through the ejection openings 8, the base 1 is provided with a driving piece for driving the bearing table 2 to slide, the driving piece drives the bearing table 2 to drive the lower die 4 to slide, the ejector pins eject the workpiece 7, so that the workpiece 7 is convenient to eject, and the ejected workpiece 7 is taken out by an external mechanical arm and the like, so that the use effect is good.

In the embodiment provided by the utility model, a plurality of groups of limiting pieces 9 are arranged between the bearing table 2 and the base 1, the limiting pieces 9 comprise limiting rods fixedly connected to the base 1, limiting grooves matched with the limiting rods are formed in the bearing table 2, and the limiting rods are in sliding connection with the bearing table 2 through the limiting grooves, so that the stability of the bearing table 2 during sliding can be further improved, and the use effect is good.

In the embodiment provided by the utility model, the two lower dies 4 are arranged on the bearing table 2, and each lower die 4 is provided with the upper die 3, so that the working efficiency of the injection mold can be improved.

It should be noted that the electric equipment and the external power supply related to the application can be powered by the storage battery.

In the description of the present utility model, unless explicitly stated or limited otherwise, the terms "mounted," "configured to," "connected," and the like are to be construed broadly as, for example, "connected" may be fixedly connected, may be detachably connected, or integrally connected, may be mechanically connected or electrically connected, may be directly connected or indirectly connected through an intermediate medium, and may be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. A high-precision injection mold, comprising a base (1), characterized in that: A bearing platform (2) is slidably connected to the base (1), a lower mold (4) is mounted on the bearing platform (2), and an upper mold (3) is slidably connected to the lower mold (4); An injection molding space (5) is formed between the upper mold (3) and the lower mold (4), and a mold core (6) is installed inside the injection molding space (5) to injection mold a workpiece (7); An ejection assembly is provided between the base (1) and the lower mold (4) to eject the injection-molded workpiece (7) from the injection molding space (5). 2. A high-precision injection mold according to claim 1, characterized in that: the ejector assembly comprises a plurality of groups of ejector pins fixedly connected to the base (1), and the plurality of groups of ejector pins are slidably connected to the injection space (5) through an ejector outlet (8); The base (1) is provided with a driving member for driving the bearing platform (2) to slide. The driving member drives the bearing platform (2) to drive the lower mold (4) to slide, and the ejector pin ejects the workpiece (7). 3. A high-precision injection mold according to claim 1, characterized in that a plurality of groups of limiting members (9) are arranged between the supporting platform (2) and the base (1). 4. A high-precision injection mold according to claim 3, characterized in that: the limiting member (9) includes a limiting rod fixedly connected to the base (1), and a limiting groove adapted to the limiting rod is opened on the supporting platform (2), and the limiting rod is slidably connected to the supporting platform (2) through the limiting groove. 5. A high-precision injection mold according to claim 1, characterized in that two lower molds (4) are installed on the supporting platform (2), and an upper mold (3) is arranged on each lower mold (4).