CN220280371U

CN220280371U - Hot runner flow dividing plate

Info

Publication number: CN220280371U
Application number: CN202321690408.7U
Authority: CN
Inventors: 方海军
Original assignee: Barnes Injection Molding Industry Jiangsu Co ltd
Current assignee: Barnes Injection Molding Industry Jiangsu Co ltd
Priority date: 2023-06-30
Filing date: 2023-06-30
Publication date: 2024-01-02
Anticipated expiration: 2033-06-30

Abstract

The utility model discloses a hot runner flow dividing plate in the technical field of flow dividing plates, which comprises a flow dividing plate body, wherein a main pouring nozzle is arranged outside the flow dividing plate body; a main runner communicated with the main filling nozzle is arranged in the split plate body; the inside of flow distribution plate body is used the sprue divides to be equipped with a plurality of sub-runners as the intercommunication center, every the sub-runner all is provided with out the liquid chamber, every go out the liquid chamber all is provided with the hot mouth. The utility model solves the problem that the flow channel and the structural design of the flow distribution plate are complicated in order to realize the non-natural balance glue distribution balance in the prior art, the special-shaped glue distribution space of the hot runner flow distribution plate adopts a single gate to realize the uniform glue distribution, the processing is simple, the hot nozzle is uniformly distributed, the distribution of the heating element is facilitated, the rationality of the distribution of each pouring point is ensured, and the stable glue distribution effect can be provided.

Description

Hot runner flow dividing plate

Technical Field

The utility model relates to a hot runner flow dividing plate, and belongs to the technical field of flow dividing plates.

Background

The manifold, also called a hot runner manifold, is the central component of the hot runner system in a multi-cavity mold and distributes the plastic melt delivered from the main runner nozzle through the runner to each injection point nozzle. The flow dividing plate can enable the cavity of the die to be uniformly filled, plastics flow in a balanced mode, and the heat of the system is balanced. In the injection molding process of the splitter plate, the distances between the runners and each glue outlet point are always required to be ensured to be the same as much as possible so as to prevent the influence caused by poor glue outlet effect, in general, the space structure of the splitter plate of the hot runner and the rationality of external uniform heating are considered, the design of the hot runner is the simplest and most uniform in arrangement, but the arrangement mode is not only troublesome in design and use, but also the glue outlet performance of each glue outlet position of the pouring gate is required to be ensured, and the glue outlet uniformity cannot be ensured, so that the special-shaped structural design is difficult to be practically applied.

Disclosure of Invention

The utility model aims to overcome the defects in the prior art, provides a hot runner flow distribution plate, and solves the problem that the flow channel and the structural design of the flow distribution plate are complicated because the flow distribution plate is balanced by non-natural balance glue running in the prior art.

In order to achieve the above purpose/solve the above technical problems, the present utility model is realized by adopting the following technical scheme:

the utility model provides a hot runner flow dividing plate which comprises a flow dividing plate body, wherein a main pouring nozzle is arranged outside the flow dividing plate body; a main runner communicated with the main filling nozzle is arranged in the split plate body; the inside of flow distribution plate body is used the sprue divides to be equipped with a plurality of sub-runners as the intercommunication center, every the sub-runner all is provided with out the liquid chamber, every go out the liquid chamber all is provided with the hot mouth.

Further, the flow dividing channels comprise a first flow dividing channel, a second flow dividing channel and a third flow dividing channel, and each flow dividing channel is provided with a plurality of flow directions.

Furthermore, the communicating position of the main runner and each sub runner is provided with a communicating runner, and each communicating runner is provided with a straight hole.

Further, a mounting sink groove is formed at the joint of the flow distribution plate body and the main filling nozzle, and the main filling nozzle is mounted in the mounting sink groove; the installation sink is perpendicular to the main runner but is not in contact with the first and second sub runners.

Further, the main filling nozzle is arranged at the center end of the main flow channel.

Further, the aperture of the main runner is 10mm, and the apertures of the first sub runner, the second sub runner and the third sub runner are all 5mm.

Compared with the prior art, the utility model has the beneficial effects that:

the utility model provides a hot runner flow dividing plate which comprises a flow dividing plate body, wherein a main pouring nozzle is arranged outside the flow dividing plate body; a main runner communicated with the main filling nozzle is arranged in the split plate body; the inside of flow distribution plate body is used the sprue divides to be equipped with a plurality of sub-runners as the intercommunication center, every the sub-runner all is provided with out the liquid chamber, every go out the liquid chamber all is provided with the hot mouth. According to the hot runner flow distribution plate, the main runner and the plurality of sub runners are arranged in the hot runner flow distribution plate, so that molten colloid firstly passes through the main runner and then flows into the plurality of sub runners, and after the middle part of the third flow distribution runner is filled, the molten colloid can flow out of the plurality of communication runners at the same time, so that the molten colloid can reach the supply nodes of the different-shaped runners at the same time, and good effects of simplicity in processing, uniformity in hot nozzle arrangement, uniformity in heating effect and uniformity in glue running are achieved.

Drawings

FIG. 1 is a schematic view of an internal structure of a hot runner manifold according to a first embodiment of the present utility model;

FIG. 2 is a schematic view of the overall structure of a hot runner manifold according to a first embodiment of the present utility model;

FIG. 3 is a schematic top view of a hot runner manifold according to a first embodiment of the present utility model;

FIG. 4 is a schematic view of the structure at section B-B in FIG. 3;

FIG. 5 is a schematic view of a flow channel in a hot runner manifold according to an embodiment of the present utility model;

in the figure: 1. a splitter plate body; 2. a main flow passage; 3. a first sub-flow path; 4. a second shunt; 5. a third sub-flow path; 6. a main filling nozzle; 7. installing a sinking groove; 8. a hot nozzle; 9. a liquid outlet cavity; 10. and the flow channels are communicated.

Detailed Description

The utility model is further described below with reference to the accompanying drawings. The following examples are only for more clearly illustrating the technical aspects of the present utility model, and are not intended to limit the scope of the present utility model.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include one or more such feature. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art in a specific case.

Embodiment one:

as shown in fig. 1 to 5, the utility model provides a hot runner manifold, which comprises a manifold body 1, wherein a main filling nozzle 6 is arranged outside the manifold body 1; a main runner 2 communicated with the main filling nozzle 6 is arranged in the flow dividing plate body 1; the main filling nozzle 6 is arranged at the center end of the main flow channel 2. The inside of the flow distribution plate body 1 takes the main runner 2 as a communication center to be provided with a plurality of flow distribution channels, and the flow distribution channels are positioned below the main runner 2. Each sub-runner is provided with a liquid outlet cavity 9, and each liquid outlet cavity 9 is provided with a hot nozzle 8. In this embodiment, the number of liquid outlet cavities 9 and hot nozzles 8 is eight.

The flow dividing channels comprise a first flow dividing channel 3, a second flow dividing channel 4 and a third flow dividing channel 5, each flow dividing channel is provided with a plurality of flow directions, and the main flow channel 2 and the flow dividing channels are in special-shaped structural design. The main runner 2 and the first sub-runner 3 are coincident in the vertical direction. Each flow passage is a straight flow passage which is mutually perpendicular.

The aperture of the main runner 2 is 10mm, and the apertures of the first sub runner 3, the second sub runner 4 and the third sub runner 5 are all 5mm.

The communication position department of sprue 2 and every subchannel all is equipped with intercommunication runner 10, every the intercommunication point of intercommunication runner 10 and sprue 2 all is located the node position department of dysmorphism structure, every intercommunication runner 10 all sets up to the straight hole.

A mounting sink 7 is arranged at the joint of the splitter plate body 1 and the main filling nozzle 6, and the main filling nozzle 6 is mounted in the mounting sink 7; the installation sink 7 is perpendicular to the main runner 2 but is not in contact with the first and second sub runners 3 and 4.

Working principle: when the automatic glue feeding device is used, the pouring gate is directly communicated with the main runner 2, so that molten glue passes through the main runner 2 at first, and can flow out from the plurality of communication runners 10 simultaneously after the middle part of the third sub-runner 5 is filled, and the molten glue reaches the supply nodes of the different-shaped runners simultaneously, thereby realizing the good effects of simple processing, uniform arrangement of the hot nozzle 8, uniform heating effect and uniform glue running.

According to the hot runner flow distribution plate for precision die injection, provided by the utility model, the two ways of flow channels are arranged in the hot runner flow distribution plate, the characteristic of uniform glue distribution is realized by adopting a single gate in the special-shaped glue distribution space of the hot runner flow distribution plate, the hot nozzle 8 is simple to process, uniform in arrangement and uniform in heating effect, the arrangement rationality of each pouring point can be ensured while the arrangement of heating elements is facilitated, and meanwhile, the stable glue distribution effect can be provided.

The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that modifications and variations could be made by those skilled in the art without departing from the technical principles of the present utility model, and such modifications and variations should also be regarded as being within the scope of the utility model.

Claims

1. The hot runner flow dividing plate is characterized by comprising a flow dividing plate body (1), wherein a main pouring nozzle (6) is arranged outside the flow dividing plate body (1); a main runner (2) communicated with the main filling nozzle (6) is arranged in the flow distribution plate body (1); the inside of flow distribution plate body (1) with sprue (2) divide to be equipped with a plurality of subchannel as the intercommunication center, every the subchannel all is provided with out liquid chamber (9), every go out liquid chamber (9) all is provided with hot mouth (8).

2. The hot runner manifold as claimed in claim 1 wherein the manifold comprises a first manifold (3), a second manifold (4) and a third manifold (5), each manifold being provided with a plurality of flow directions.

3. The hot runner manifold as claimed in claim 2, wherein a communication channel (10) is provided at the communication location of the main channel (2) and each of the sub-channels, each of the communication channels (10) being provided as a straight bore.

4. The hot runner manifold as claimed in claim 2, wherein a mounting sink (7) is provided at the junction of the manifold body (1) and the main nozzle (6), the main nozzle (6) being mounted inside the mounting sink (7); the installation sink (7) is perpendicular to the main runner (2) but is not in contact with the first sub-runner (3) and the second sub-runner (4).

5. The hot runner manifold as described in claim 4 wherein the main nozzle (6) is mounted to the central end of the main runner (2).

6. The hot runner manifold as claimed in claim 2 wherein the primary runner (2) has a bore diameter of 10mm and the first (3), second (4) and third (5) sub-runners each have a bore diameter of 5mm.