CN220661617U - Injection mold runner structure - Google Patents

Abstract

The utility model discloses an injection mold runner structure, which comprises an upper mold, a lower mold, an injection mold cavity, a runner mechanism and a runner plug-in, wherein the runner mechanism comprises a main flow pipeline, a split flow pipeline, a buffer pipe, a connecting pipe and a discharging pipe, an anti-flushing part is further arranged in the runner mechanism, the anti-flushing part comprises an anti-flushing pipe, the anti-flushing pipe is of a bent pipeline structure, a buffer area for relieving impact of molten raw materials is arranged in the anti-flushing pipe, and the anti-flushing pipe is arranged between the connecting pipe and the discharging pipe. The beneficial effects are that: through setting up the anti-flushing pipe of buckling pipeline structure in the device, can pass through the anti-flushing pipe when the raw materials under the molten state flows to the discharging pipe through the connecting pipe, can reduce the impact that produces when the raw materials flows under the molten state under the buffer zone effect in the anti-flushing pipe, avoid the product to appear the flaw, can improve the velocity of flow of raw materials under the molten state under the effect of anti-flushing pipe simultaneously for prior art for the device is higher in efficiency when moulding plastics.

Description

Injection mold runner structure

Technical Field

The utility model belongs to the technical field of mold injection molding, and particularly relates to a runner structure of an injection mold.

Background

Through searching, the publication number is CN217454762U, the name is an injection mold runner structure, the device reduces the impact generated when the raw materials in a molten state enter the mold along the mold runner through arranging a first buffer plate and a second buffer plate in a discharge pipe and through the first buffer plate and the second buffer plate;

the prior art has following problem when using, though can reduce the impact when the raw materials of molten state flows into among the mould through first buffer board and second buffer board, but first buffer board and second buffer board all are arranged in the discharging pipe, can lead to the raw materials circulation speed under the molten state to descend this moment, thereby lead to the raw materials injection rate slower influence the shaping time of product, when mass production product, extravagant time can greatly increased, and it is very inconvenient to use, provides an injection mold runner structure for this and solves above-mentioned problem.

Disclosure of Invention

The utility model aims to solve the problems and provide a runner structure of an injection mold.

In order to achieve the technical purpose, the utility model provides the following technical scheme:

the utility model provides an injection mold runner structure, which comprises an upper mold, a lower mold, an injection molding cavity, a runner mechanism and a runner plug-in, wherein the runner mechanism comprises a main flow pipeline, a split flow pipeline, a buffer pipe, a connecting pipe and a discharging pipe, an anti-flushing part is further arranged in the runner mechanism, the anti-flushing part comprises an anti-flushing pipe, the anti-flushing pipe is of a bent pipeline structure, a buffer area for relieving impact of molten raw materials is arranged in the anti-flushing pipe, and the anti-flushing pipe is arranged between the connecting pipe and the discharging pipe.

Adopt above-mentioned injection mold runner structure, the device is through preventing the wash pipe in the use, can reduce the impact of flowing out the molten fuel through the connecting pipe under buffer zone's effect to make the molten fuel more steady when flowing out from the discharging pipe, and because prevent not setting up other buffer structure in the wash pipe, thereby make the raw materials under the molten state flow faster for prior art at the in-process velocity of flow that flows, make the device higher in the efficiency of injection molding in-process, and then can solve the technical problem that exists among the prior art.

Preferably, the anti-collision pipe has an n-type structure.

Preferably, the anti-impact pipe is horizontally arranged between the connecting pipe and the discharging pipe, and the axis of the discharging pipe coincides with the axis of the connecting pipe.

Preferably, the anti-flushing pipe is of an s-shaped structure, and the anti-flushing pipe is horizontally arranged between the connecting pipe and the discharging pipe.

Preferably, the length of the discharging pipe is 10-20mm.

Preferably, a discharge hole of the discharge pipe is communicated with the injection molding cavity.

The beneficial effects are that: through setting up the anti-flushing pipe of pipeline structure that buckles in the device, can pass through the anti-flushing pipe when the raw materials under the molten state flows to the discharging pipe through the connecting pipe, can reduce the impact that produces when the raw materials flows under the molten state under the buffer zone effect in the anti-flushing pipe, and then can avoid the product that produces to appear the flaw, can improve the velocity of flow of raw materials under the molten state under the effect of anti-flushing pipe simultaneously, for prior art, make the device efficiency higher when moulding plastics, and then can solve the technical problem that exists among the prior art.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a front view of the present utility model;

FIG. 2 is a schematic diagram of the structure of the present utility model;

FIG. 3 is a schematic view of the impact protection structure of the present utility model;

the reference numerals are explained as follows:

1. an upper die; 2. a lower die; 3. an injection molding cavity; 4. a flow channel mechanism; 401. a main flow duct; 402. a shunt pipeline; 403. a buffer tube; 404. a connecting pipe; 405. an anti-flushing pipe; 406. a discharge pipe; 5. a flow passage insert; a. impact area.

Detailed Description

In order to make the objects, technical solutions and advantages of the present utility model more apparent, the technical solutions of the present utility model will be described in detail below. It will be apparent that the described embodiments are only some, but not all, embodiments of the utility model. All other embodiments, based on the examples herein, which are within the scope of the utility model as defined by the claims, will be within the scope of the utility model as defined by the claims.

Referring to fig. 1-3, the present utility model provides an injection mold runner structure, which includes an upper mold 1, a lower mold 2, an injection molding cavity 3, a runner mechanism 4 and a runner insert 5, wherein the runner mechanism 4 includes a main flow pipe 401, a split flow pipe 402, a buffer pipe 403, a connecting pipe 404 and a discharging pipe 406, a discharging hole of the discharging pipe 406 is communicated with the injection molding cavity 3, and the above structures are all in the prior art, and the working principle of the structure is not repeated in the prior art: the injection mold runner structure is characterized in that the injection mold runner structure is disclosed by the publication number of CN217454762U, a flushing preventing piece is further arranged in the runner mechanism 4, the flushing preventing piece comprises a flushing preventing pipe 405, the flushing preventing pipe 405 is of a bent pipeline structure, a buffer area a for relieving the impact of molten raw materials is arranged in the flushing preventing pipe 405, and the flushing preventing pipe 405 is arranged between a connecting pipe 404 and a discharging pipe 406; the method comprises the steps of carrying out a first treatment on the surface of the

By adopting the above results, the device can reduce the impact of the molten fuel flowing out of the connecting pipe 404 under the action of the buffer area a through the anti-flushing pipe 405 in the use process, so that the molten fuel flows out of the discharging pipe 406 more stably, and other buffer structures are not arranged in the anti-flushing pipe 405, so that the flow speed of the raw materials in a molten state in the flowing process is faster than that in the prior art, the efficiency of the device in the injection molding process is higher, and the technical problem existing in the prior art can be solved.

Further, as an alternative embodiment, the anti-shock tube 405 is of n-type structure; the anti-flushing pipe 405 is horizontally arranged between the connecting pipe 404 and the discharging pipe 406, the axis of the discharging pipe 406 coincides with the axis of the connecting pipe 404, when the anti-flushing pipe 405 is used, the buffer area a of the anti-flushing pipe 405 is shown in the figure 3, raw materials flowing out of the connecting pipe 404 directly impact the inner wall of the buffer area a under the action of the buffer area a, at the moment, partial impact force of the raw materials is absorbed through the anti-flushing pipe 405, the impact force of the raw materials is reduced, the raw materials continuously flow into the discharging pipe 406 along the path of the anti-flushing pipe 405, then flow out of the discharging pipe 406 and flow into the injection molding cavity 6 for injection molding, the injection molding efficiency of the device can be improved under the action of the structure, the practicability is further improved, the anti-flushing pipe 405 is horizontally arranged, and the height drop of the raw materials in the flowing process can be avoided, so that the impact force of the raw materials flowing into the discharging pipe 406 is increased.

The anti-collision pipe 405 may also be implemented by the following structure:

the anti-flushing pipe 405 is of an s-shaped structure, and the anti-flushing pipe 405 is horizontally arranged between the connecting pipe 404 and the discharging pipe 406.

Further, the length of the discharging pipe 406 is 10-20mm, and the length of the discharging pipe 406 is preferably 10mm when the discharging pipe is used, so that the flow path of raw materials in the discharging pipe 406 can be reduced under the action of the structure, and the impact force of the raw materials flowing out of the discharging pipe 406 is prevented from rising due to the overlong path.

The present utility model is not limited to the above-mentioned embodiments, and any person skilled in the art, based on the technical solution of the present utility model and the inventive concept thereof, can be replaced or changed within the scope of the present utility model.

Claims (6)

1. The utility model provides an injection mold runner structure, includes mould (1), lower mould (2), injection molding die cavity (3), runner mechanism (4) and runner plug-in components (5), runner mechanism (4) are including mainstream pipeline (401), shunt tubes (402), buffer tube (403), connecting pipe (404) and discharging pipe (406), still be provided with the scour protection spare, its characterized in that in runner mechanism (4): the anti-flushing part comprises an anti-flushing pipe (405), the anti-flushing pipe (405) is of a bent pipeline structure, a buffer area (a) used for relieving impact of molten raw materials is arranged in the anti-flushing pipe (405), and the anti-flushing pipe (405) is arranged between a connecting pipe (404) and a discharging pipe (406).

2. An injection mold runner structure according to claim 1, characterized in that: the anti-collision pipe (405) is of an n-type structure.

3. An injection mold runner structure according to claim 2, characterized in that: the anti-collision pipe (405) is horizontally arranged between the connecting pipe (404) and the discharging pipe (406), and the axis of the discharging pipe (406) coincides with the axis of the connecting pipe (404).

4. An injection mold runner structure according to claim 1, characterized in that: the anti-flushing pipe (405) is of an s-shaped structure, and the anti-flushing pipe (405) is horizontally arranged between the connecting pipe (404) and the discharging pipe (406).

5. An injection mold runner structure according to claim 3 or 4, characterized in that: the length of the discharging pipe (406) is 10-20mm.

6. The injection mold runner structure of claim 5, wherein: and a discharge hole of the discharge pipe (406) is communicated with the injection molding cavity (3).