CN210257043U

CN210257043U - Forming die of garbage bin with high strength

Info

Publication number: CN210257043U
Application number: CN201921013556.9U
Authority: CN
Inventors: 张斌
Original assignee: Guangdong Collins Molding Co Ltd
Current assignee: Shenzhen xiandawei Environmental Industry Co.,Ltd.
Priority date: 2019-06-29
Filing date: 2019-06-29
Publication date: 2020-04-07
Anticipated expiration: 2029-06-29

Abstract

The utility model discloses a forming die of a high-strength garbage can, which comprises a die core cover plate, a die core upper plate, a die core lower plate, a die core piece and a can opening forming part; the upper die core plate is covered above the lower die core plate, an inner concave cavity is arranged on the lower die core plate, a forming convex block is arranged in the inner concave cavity, a barrel opening forming part is annular, and the barrel opening forming part is sleeved on the forming convex block and is positioned in the inner concave cavity of the lower die core plate; the upper die core plate is provided with a bulge part which is inserted into an inner concave cavity of the lower die core plate, the upper die core plate is provided with a forming inner hole, the forming convex block and the die core piece are positioned in the forming inner hole of the upper die core plate, and forming cavities are formed between the inner wall of the forming inner hole and the die core piece and between the inner wall of the forming inner hole and the forming convex block; the utility model has the advantages that: this mould passes through the structural design of bulge, and a plurality of strengthening ribs of shaping have improved the intensity of garbage bin in the turn-ups of garbage bin.

Description

Forming die of garbage bin with high strength

Technical Field

The utility model relates to the technical field of mold, more specifically the utility model relates to a forming die of garbage bin with high strength.

Background

An injection mold is a tool for producing plastic products; can mass-produce some plastic parts with complex shapes. The injection mold is generally composed of a movable mold and a fixed mold, during production, the mold is installed in an injection molding machine, heated and melted plastic is injected into a mold cavity of the injection mold by the injection molding machine from high pressure, after cooling and solidification, the injection molding machine pulls the movable mold and the fixed mold to separate, and then an injection molded finished product is pushed out by an ejection mechanism, so that one-time injection molding is completed.

In the garbage can injection mold in the prior art, the opening of the produced garbage can is provided with a flanging to improve the strength of the garbage can, but the garbage can still breaks after being used for a long time; in addition, the handle on the garbage bin is generally cylindrical, and the hand feeling of a user is poor.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model provides a forming die of garbage bin with high strength, this mould passes through the structural design of bulge, and a plurality of strengthening ribs of shaping have improved the intensity of garbage bin in the turn-ups of garbage bin, have increased the life of garbage bin.

The utility model provides a technical scheme that its technical problem adopted is: the utility model provides a forming die of garbage bin with high strength, its improvement lies in: the device comprises a mold core cover plate, a mold core upper plate, a mold core lower plate, a mold core piece and a barrel mouth forming part;

the upper mold core plate is covered above the lower mold core plate, an inner concave cavity is arranged on the lower mold core plate, a forming convex block protruding outwards is arranged in the inner concave cavity, the mold core piece is fixed at the top of the forming convex block, the barrel opening forming part is annular, and the barrel opening forming part is sleeved on the forming convex block and is positioned in the inner concave cavity of the lower mold core plate;

the mold comprises a mold core upper plate, a mold core lower plate, a mold core upper plate and a mold core piece, wherein one surface of the mold core upper plate, which faces the mold core lower plate, is provided with a convex part protruding outwards, the convex part is inserted into an inner concave cavity of the mold core lower plate, the mold core upper plate is provided with a through molding inner hole, the molding convex block and the mold core piece are positioned in the molding inner hole of the mold core upper plate, and molding cavities are formed between the inner wall of the molding inner hole and the mold core piece;

the mold core cover plate is covered on the top of the mold core upper plate, and a glue injection flow channel communicated with the molding cavity is arranged on the mold core cover plate.

In the structure, the opening of the convex part of the mold core upper plate is provided with an annular bulge which protrudes outwards and is used for forming a flanging at the opening of the garbage can.

In the structure, the annular bulge is provided with a plurality of fracture openings for segmenting the annular bulge, and the fracture openings are used for forming the reinforcing ribs inside the flanging of the garbage can.

In the structure, a first notch is formed in the outer side of the bung hole forming part and on one surface facing the protruding part, a second notch is formed in the protruding part corresponding to the first notch, the first notch and the second notch form a forming cavity for forming a handle of the garbage can, and a plurality of dotted grooves are distributed on the inner wall of the forming cavity in an array mode.

In the structure, the forming die of the high-strength garbage can further comprises an upper fixing plate and a lower fixing plate, the upper fixing plate is fixedly arranged on the die core cover plate, and the upper fixing plate is provided with a glue injection port communicated with the glue injection runner; the lower fixing plate is fixedly arranged below the lower plate of the mold core.

The utility model has the advantages that: after the garbage can is subjected to injection molding, a plurality of reinforcing ribs which are sequentially arranged side by side are formed in the flanging, the strength of the whole garbage can is improved through the reinforcing ribs, and the service life of the garbage can is longer; because the punctiform recess of array exists, form the bump of array on the handle of garbage bin, promoted the frictional force of user when pulling the garbage bin, user's user experience is better.

Drawings

Fig. 1 is a schematic view of a three-dimensional structure of a forming mold of a high-strength trash can of the present invention.

Fig. 2 is the utility model discloses a forming die's decomposition structure schematic diagram of garbage bin with high strength.

Fig. 3 is a schematic perspective view of a bung hole forming part of a forming die of a high-strength trash can of the present invention.

Fig. 4 is the structural schematic diagram of the mold core upper plate of the forming mold of the high-strength trash can of the present invention.

Detailed Description

The present invention will be further explained with reference to the drawings and examples.

The conception, the specific structure, and the technical effects produced by the present invention will be clearly and completely described below in conjunction with the embodiments and the accompanying drawings to fully understand the objects, the features, and the effects of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and other embodiments obtained by those skilled in the art without inventive labor based on the embodiments of the present invention all belong to the protection scope of the present invention. In addition, all the connection/connection relations referred to in the patent do not mean that the components are directly connected, but mean that a better connection structure can be formed by adding or reducing connection auxiliary components according to specific implementation conditions. The utility model discloses each technical feature in the creation can the interactive combination under the prerequisite that does not contradict conflict each other.

Referring to fig. 1 to 4, the present invention discloses a mold for molding a garbage can with high strength, which is used for injection molding of a garbage can 80, and specifically, the mold comprises a mold core cover plate 10, a mold core upper plate 20, a mold core lower plate 30, a mold core 40 and a can opening molding part 50, wherein the mold core upper plate 20 covers the mold core lower plate 30, an inner cavity 301 is formed on the mold core lower plate 30, an outward convex molding lug 302 is arranged in the inner cavity 301, the mold core 40 is fixed on the top of the molding lug 302, the can opening molding part 50 is in a ring shape, and the can opening molding part 50 is sleeved on the molding lug 302 and is located in the inner cavity 301 of the mold core lower plate 30; further, one surface of the mold core upper plate 20 facing the mold core lower plate 30 is provided with a protruding portion 201 protruding outwards, the protruding portion 201 is inserted into an inner concave cavity 301 of the mold core lower plate 30, the mold core upper plate 20 is provided with a through forming inner hole 202, the forming convex block 302 and the mold core piece 40 are located in the forming inner hole 202 of the mold core upper plate 20, a forming cavity is formed between the inner wall of the forming inner hole 202 and the mold core piece 40 and between the inner wall of the forming inner hole 202 and the forming convex block 302, the garbage can is subjected to injection molding in the forming cavity, the mold core cover plate 10 covers the top of the mold core upper plate 20, and the mold core cover plate 10 is provided with a glue injection flow channel 101 communicated with the forming cavity.

In addition, the forming mold of the garbage can with high strength further comprises an upper fixing plate 60 and a lower fixing plate 70, wherein the upper fixing plate 60 is fixedly arranged on the mold core cover plate 10, and the upper fixing plate 60 is provided with a glue injection port 601 communicated with the glue injection runner 101; the lower fixing plate 70 is fixedly disposed below the core lower plate 30.

As shown in fig. 3 and 4, an annular protrusion 203 protruding outwards is arranged at the opening of the protruding part 201 of the mold core upper plate 20, and the annular protrusion 203 is used for forming a flanging at the opening of the trash can; moreover, a plurality of fracture openings 204 for segmenting the annular protrusion 203 are arranged on the annular protrusion 203, and the fracture openings 204 are used for forming reinforcing ribs inside the flanging of the garbage can; consequently, the garbage bin is then formed a plurality of strengthening ribs side by side in proper order in the turn-ups after injection moulding, through this strengthening rib, promotes the holistic intensity of garbage bin, and the life of garbage bin is more of a specified duration. Continuing to refer to fig. 3 and 4, a first notch is formed in a side, facing the protruding portion 201, of the outer side of the bung hole forming member 50, a second notch is formed in a position, corresponding to the first notch, of the protruding portion 201, a forming cavity for forming a handle of the trash can is formed by the first notch and the second notch, and a plurality of dot-shaped grooves 205 are distributed in an array on an inner wall of the forming cavity.

While the preferred embodiments of the present invention have been described, the present invention is not limited to the above embodiments, and those skilled in the art can make various equivalent modifications or substitutions without departing from the spirit of the present invention, and such equivalent modifications or substitutions are intended to be included within the scope of the present invention as defined by the appended claims.

Claims

1. The utility model provides a forming die of garbage bin with high strength which characterized in that: the device comprises a mold core cover plate, a mold core upper plate, a mold core lower plate, a mold core piece and a barrel mouth forming part;

2. The forming die of the trash can with high strength of claim 1, wherein: the opening of the convex part of the mold core upper plate is provided with an annular bulge which protrudes outwards and is used for forming a flanging at the opening of the garbage can.

3. The forming die of the trash can with high strength of claim 2, wherein: the annular bulge is provided with a plurality of fracture openings for segmenting the annular bulge, and the fracture openings are used for forming reinforcing ribs inside the flanging of the garbage can.

4. The forming die of the trash can with high strength of claim 2, wherein: the garbage can handle is characterized in that a first notch is formed in the outer side of the opening forming component and on one side facing the protruding portion, a second notch is formed in the protruding portion corresponding to the first notch, the first notch and the second notch form a forming cavity for forming a garbage can handle, and a plurality of point-like grooves are distributed on the inner wall of the forming cavity in an array mode.

5. The forming die of the trash can with high strength of claim 1, wherein: the forming die of the high-strength garbage can further comprises an upper fixing plate and a lower fixing plate, the upper fixing plate is fixedly arranged on the die core cover plate, and the upper fixing plate is provided with a glue injection port communicated with the glue injection runner; the lower fixing plate is fixedly arranged below the lower plate of the mold core.