CN220075421U

CN220075421U - Mold insert gate structure for injection mold

Info

Publication number: CN220075421U
Application number: CN202321277463.3U
Authority: CN
Inventors: 蒋灵怀; 刘常安
Original assignee: Kunshan Zhunda Hot Runner Co ltd
Current assignee: Kunshan Zhunda Hot Runner Co ltd
Priority date: 2023-05-24
Filing date: 2023-05-24
Publication date: 2023-11-24
Anticipated expiration: 2033-05-24

Abstract

The utility model discloses a mold insert gate structure for an injection mold, which comprises a gate arranged on a mold insert, wherein the gate comprises a central area and an extension area, the central area is arranged corresponding to a dispensing opening of a glue injection nozzle, and the extension area is outwards arranged by taking the central area as an origin; according to the mold insert gate structure for the injection mold, which is designed by the scheme, the gate center area aligned with the glue dispensing opening of the glue dispensing nozzle extends outwards, so that the glue dispensing pressure is reduced, the situation that glue liquid blocks the gate when passing through the gate is avoided, the situation that the glue liquid is drawn due to the fact that the glue liquid is blocked and the temperature of the glue dispensing nozzle needs to be improved is effectively avoided, and the quality of injection products can be effectively guaranteed.

Description

Mold insert gate structure for injection mold

Technical Field

The utility model relates to the technical field of injection molds, in particular to a mold insert gate structure for an injection mold.

Background

The pouring gate is arranged on the mold insert of the injection molding module, the pouring gate corresponds to the conical glue injection nozzle of the mold, the glue dispensing opening of the conical glue injection nozzle directly passes through the pouring gate after glue is discharged, the traditional pouring gate is generally in a round hole shape, the caliber of the round hole pouring gate is generally small in order to ensure the overall attractive degree of the mold, but due to the small channel of the round hole pouring gate, glue solution is easily solidified rapidly and blocked by the pouring gate due to cooling water in the glue injection process, the glue dispensing opening of the glue injection nozzle after the pouring gate is blocked cannot discharge glue, the temperature of the glue injection nozzle needs to be increased, so that smooth glue injection is ensured, but the condition of glue solution wiredrawing is easily caused due to overhigh temperature, and the quality of products is affected.

It should be noted that the foregoing description of the background art is only for the purpose of providing a clear and complete description of the technical solution of the present utility model and is presented for the convenience of understanding by those skilled in the art. The above-described solutions are not considered to be known to the person skilled in the art simply because they are set forth in the background of the utility model section.

Disclosure of Invention

In order to overcome the above-mentioned drawbacks, an object of the present utility model is to provide a mold insert gate structure for an injection mold, so as to effectively solve the above-mentioned technical problems.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a mould benevolence mold insert runner structure for injection mold, is including seting up the runner on mould benevolence mold insert, the runner includes the central region that corresponds the point gum mouth that sets up with the injecting glue mouth and uses the central region to set up outward extension area as the origin.

Further, the gate comprises a first extending area, a second extending area and a first central area, wherein the first extending area and the second extending area are respectively positioned at the left side and the right side of the first central area, and the formed gate is in an overall shape of a rectangular strip.

Further, the gate comprises a third extending area, a fourth extending area, a fifth extending area and a second center area, the three extending areas are distributed in a triangular mode, an included angle between two adjacent extending areas is 120 degrees, and the overall shape of the formed gate is in a three-star shape.

Further, the gate comprises a sixth extending area, a seventh extending area, an eighth extending area, a ninth extending area and a third central area, the four extending areas are respectively located above, below, left and right in the third central area, and the overall shape of the formed gate is a cross shape.

Further, a groove is formed in the die core insert, and the pouring gate is formed in the bottom of the groove.

Further, the widths of the central region and the extension region are equal; the central region and the extension region are linearly distributed, so that the widths of the central region and the extension region are equal.

Further, the end part of the extension area is in a circular arc shape; the shape of the end part of the extension area is designed into an arc shape, so that the overall aesthetic degree of the mold gate can be improved, and the length of the extension area is further prolonged.

The beneficial effects of the utility model are as follows: according to the mold insert gate structure for the injection mold, which is designed by the scheme, the gate center area aligned with the glue dispensing opening of the glue dispensing nozzle extends outwards, so that the glue dispensing pressure is reduced, the situation that glue liquid blocks the gate when passing through the gate is avoided, the situation that the glue liquid is drawn due to the fact that the glue liquid is blocked and the temperature of the glue dispensing nozzle needs to be improved is effectively avoided, and the quality of injection products can be effectively guaranteed.

Drawings

Fig. 1 is a schematic view of a gate structure according to a first embodiment of the present utility model.

Fig. 2 is a schematic diagram of a gate structure according to a second embodiment of the present utility model.

Fig. 3 is a schematic view of a gate structure according to a third embodiment of the present utility model.

In the figure: 1. a first extension region; 2. a second extension region; 3. a first central region; 4. a third extension region; 5. a fourth extension region; 6. a fifth extension region; 7. a second central region; 8. a sixth extension region; 9. a seventh extension region; 10. an eighth extension region; 11. a ninth extension region; 12. a third central region; 13. a groove.

Detailed Description

The preferred embodiments of the present utility model will be described in detail below with reference to the accompanying drawings so that the advantages and features of the present utility model can be more easily understood by those skilled in the art, thereby making clear and defining the scope of the present utility model.

Please refer to fig. 1-3. It should be noted that, in the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are directions or positional relationships based on those shown in the drawings, or directions or positional relationships in which the inventive product is conventionally put in use, are merely for convenience of describing the present utility model and for simplifying the description, and are not indicative or implying that the apparatus or element to be referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," "third," and the like are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance. The terms "horizontal," "vertical," "overhang," and the like do not denote that the component is required to be absolutely horizontal or overhang, but may be slightly inclined. As "horizontal" merely means that its direction is more horizontal than "vertical", and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, integrally connected, mechanically connected, electrically connected, directly connected, indirectly connected through an intermediary, or communicating 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.

The utility model discloses a pouring gate structure of a mold insert for an injection mold, which comprises a pouring gate arranged on the mold insert, wherein a groove 13 is arranged on the mold insert, and the pouring gate is arranged at the bottom of the groove 13; the pouring gate comprises a central area which is arranged corresponding to the dispensing opening of the glue injection nozzle and an extension area which is outwards opened by taking the central area as an origin; the central area and the extension area are linearly distributed, so that the widths of the central area and the extension area are equal;

according to the mold insert gate structure designed by the scheme, the gate center area aligned with the glue dispensing opening of the glue dispensing nozzle extends outwards, so that the glue dispensing pressure is reduced, the situation that glue liquid blocks the gate when passing through the gate is avoided, the situation that the glue liquid is drawn due to the fact that the glue liquid is blocked and the temperature of the glue dispensing nozzle needs to be increased is effectively avoided, and the quality of injection products can be effectively guaranteed.

On the basis, the scheme provides three embodiments, and the three embodiments are as follows:

embodiment one:

as shown in fig. 1, the gate includes a first extension area 1, a second extension area 2 and a first central area 3, where the first extension area 1 and the second extension area 2 are respectively located at the left and right sides of the first central area 3, and the overall shape of the formed gate is a rectangular strip shape.

Embodiment two:

as shown in fig. 2, the gate includes a third extension area 4, a fourth extension area 5, a fifth extension area 6 and a second central area 7, the three extension areas are distributed in a triangular shape, an included angle between two adjacent extension areas is 120 degrees, and the overall shape of the formed gate is in a three-star shape.

Embodiment III:

as shown in fig. 3, the gate includes a sixth extension region 8, a seventh extension region 9, an eighth extension region 10, a ninth extension region 11, and a third central region 12, and the four extension regions are respectively located above, below, left and right of the third central region 12, and the overall shape of the formed gate is a cross shape.

In addition, the shape of the end part of the extension area is designed into an arc shape, so that the overall aesthetic degree of the mold gate can be improved, and the length of the extension area is further prolonged.

The above embodiments are only for illustrating the technical concept and features of the present utility model, and are intended to enable those skilled in the art to understand the content of the present utility model and to implement the same, but are not intended to limit the scope of the present utility model, and all equivalent changes or modifications made according to the spirit of the present utility model should be included in the scope of the present utility model.

Claims

1. A mould benevolence mold insert runner structure for injection mold, its characterized in that: the plastic injection mold comprises a pouring gate arranged on a mold insert, wherein the pouring gate comprises a central area which is arranged corresponding to a dispensing opening of a plastic injection nozzle and an extension area which is outwards arranged by taking the central area as an origin.

2. The mold insert gate structure for an injection mold according to claim 1, wherein: the gate comprises a first extending area, a second extending area and a first central area, wherein the first extending area and the second extending area are respectively positioned at the left side and the right side of the first central area, and the formed gate is in an overall shape of a rectangular strip.

3. The mold insert gate structure for an injection mold according to claim 1, wherein: the gate comprises a third extending area, a fourth extending area, a fifth extending area and a second center area, wherein the three extending areas are distributed in a triangular mode, an included angle between two adjacent extending areas is 120 degrees, and the overall shape of the formed gate is in a three-star shape.

4. The mold insert gate structure for an injection mold according to claim 1, wherein: the gate comprises a sixth extending area, a seventh extending area, an eighth extending area, a ninth extending area and a third central area, wherein the four extending areas are respectively located above, below, left and right of the third central area, and the overall shape of the formed gate is a cross shape.

5. The mold insert gate structure for an injection mold according to claim 1, wherein: the mold insert is provided with a groove, and the pouring gate is arranged at the bottom of the groove.

6. The mold insert gate structure for an injection mold according to claim 1, wherein: the central region and the extension region have equal widths.

7. The mold insert gate structure for an injection mold according to claim 1, wherein: the end of the extension area is in an arc shape.