CN210552700U

CN210552700U - Forming die of large garbage can body

Info

Publication number: CN210552700U
Application number: CN201921013527.2U
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: 2020-05-19
Anticipated expiration: 2029-06-29

Abstract

The utility model discloses a forming die of a large garbage can body, which comprises a die core cover plate, a die core upper plate, a die core lower plate, a core piece, a can opening forming part and a can bottom 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 protruding outwards 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 mold core upper plate is provided with a convex part which protrudes outwards on one surface facing the mold core lower plate, the mold core upper plate is provided with a through forming inner hole, the forming convex block and the mold core piece are positioned in the forming inner hole of the mold core upper plate, and forming cavities are formed between the inner wall of the forming inner hole and the mold core piece and between the inner wall of the forming inner hole and the forming convex block; the utility model has the advantages that: the connecting part used for being connected with the roller is formed at the bottom of the injection-molded garbage can, so that the reasonability and the thickness of the connecting part are increased, and the service life of the garbage can is prolonged.

Description

Forming die of large garbage can body

Technical Field

The utility model relates to the technical field of mold, more specifically the utility model relates to a forming die of large-scale garbage bin staving.

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 prior art, a large garbage can needs to contain more garbage, and rollers are generally mounted at the bottom of the garbage can for moving the garbage can. However, the thickness of the joint between the bottom of the large trash can and the roller in the prior art is small, and after the trash can is used for a long time, the joint between the roller and the trash can is broken and broken, so that the service life of the trash can is short.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model provides a forming die of large garbage bin staving, this forming die passes through the structural design of barrel head shaping part, forms the connection position that is used for being connected with the gyro wheel at injection moulding's garbage bin bottom, has increased this connection position's rationality and thickness, has improved 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 large-scale garbage bin staving, its improvement lies in: the barrel mouth forming device comprises a mold core cover plate, a mold core upper plate, a mold core lower plate, a core piece, a barrel mouth forming part and a barrel bottom 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 covers 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;

the barrel bottom forming part is positioned in a forming inner hole of the mold core upper plate and fixed on the lower surface of the mold core cover plate, and is used for forming a through hole in the bottom of the garbage can body and installing a roller in the through hole.

In the structure, the middle part of the barrel bottom forming component is provided with a convex part protruding towards the center of the forming inner hole, and two sides of the convex part are respectively provided with an arc-shaped surface.

In the structure, the top of the arc-shaped surface is provided with at least two notch grooves, and the barrel bottom forming component is provided with a through hole penetrating through the notch grooves.

In the structure, the bung hole forming part is composed of a first annular part and a second annular part, and the bung hole of the dustbin body is formed in the first annular part and the second annular part through injection molding.

In the structure, the forming die of the large garbage can body 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: through the structural design of breach groove, at the bottom of the barrel shaping play relative platelike spare, because the existence of arcwall face makes the bottom of the barrel have the position of keeping away the sky, has increased the rationality and the thickness that platelike spare and gyro wheel are connected, has improved the life of garbage bin.

Drawings

Fig. 1 is the utility model discloses a three-dimensional structure schematic diagram of forming die of large-scale garbage bin staving.

Fig. 2 is a first exploded schematic view of a forming mold of a large garbage can body of the utility model.

Fig. 3 is a second decomposition schematic diagram of the forming mold of the large garbage can body of the utility model.

Fig. 4 is the structural schematic diagram of the bottom forming part of the forming die of the large garbage can body of the utility model.

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 forming mold for a large trash can body, specifically, the forming mold comprises a mold core cover plate 10, a mold core upper plate 20, a mold core lower plate 30, a mold core 40, a can opening forming part 50 and a can bottom forming part 60; the upper mold core plate 20 covers the lower mold core plate 30, an inner concave cavity 301 is arranged on the lower mold core plate 30, a forming convex block 302 which protrudes outwards is arranged in the inner concave cavity 301, the core piece 40 is fixed at the top of the forming convex block 302, the barrel opening forming part 50 is annular, and the barrel opening forming part 50 is sleeved on the forming convex block 302 and is positioned in the inner concave cavity 301 of the lower mold core plate 30; the surface of the upper mold core plate 20 facing the lower mold core plate 30 is provided with a bulge 201 protruding outwards, the bulge 201 is inserted into an inner concave cavity 301 of the lower mold core plate 30, the upper mold core plate 20 is provided with a through forming inner hole 202, the forming convex block 302 and the mold core piece 40 are positioned in the forming inner hole 202 of the upper mold core plate 20, and forming cavities are 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 mold core cover plate 10 covers the top of the mold core upper plate 20, and a glue injection runner communicated with the molding cavity is arranged on the mold core cover plate 10; the barrel bottom forming part 60 is located in the forming inner hole 202 of the mold core upper plate 20 and fixed on the lower surface of the mold core cover plate 10, and the barrel bottom forming part 60 is used for forming a through hole in the bottom of the garbage can body 100, and the through hole is used for installing a roller.

As shown in fig. 3 and 4, the middle of the barrel bottom forming part 60 is provided with a convex part 601 protruding towards the center of the forming inner hole 202, and two sides of the convex part 601 are respectively provided with an arc surface 602, so that, during injection molding, the middle of the barrel bottom of the trash can is recessed inwards, and two sides of the barrel bottom are provided with smooth surfaces; furthermore, two notch grooves 602 are formed in the top of the arc-shaped surface 602, a through hole 604 penetrating through the notch grooves 602 is formed in the barrel bottom forming part 60, two outward protruding plate-shaped parts are formed at the barrel bottom in the injection molding process, the tops of the two plate-shaped parts are connected to improve the strength, in addition, in the injection molding process, a columnar part matched with the through hole is plugged into the through hole 604, after the mold is opened, the columnar part is pulled out of the through hole, a through hole penetrating through the plate-shaped part relatively is formed, and the roller is installed in the through hole of the plate-shaped part. In this embodiment, through the structural design of breach groove 602, at the bottom of the bucket shaping relative platelike spare, because the existence of arcwall face 602, make the bottom of the bucket have the position of keeping away the sky, increased platelike spare and the roller connection's rationality and thickness, improved the life of garbage bin.

In the above embodiment, as shown in fig. 3, the bung forming part 50 is composed of a first ring member 501 and a second ring member 502, and the bung of the trash can body is injection molded in the first ring member 501 and the second ring member 502. In addition, as shown in fig. 1 and fig. 2, the forming mold of the large trash can body further includes an upper fixing plate 70 and a lower fixing plate 80, the upper fixing plate 70 is fixedly arranged on the mold core cover plate 10, and the upper fixing plate 70 is provided with a glue injection port communicated with the glue injection flow channel; the lower fixing plate 80 is fixedly disposed below the core lower plate 30.

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 large-scale garbage bin staving which characterized in that: the barrel mouth forming device comprises a mold core cover plate, a mold core upper plate, a mold core lower plate, a core piece, a barrel mouth forming part and a barrel bottom forming part;

2. The forming die of the large garbage can body as claimed in claim 1, wherein: the middle part of the barrel bottom forming component is provided with a convex part which is convex towards the center of the forming inner hole, and two sides of the convex part are respectively provided with an arc surface.

3. The forming die of the large garbage can body as claimed in claim 2, wherein: the top of the arc-shaped surface is provided with at least two notch grooves, and the barrel bottom forming part is provided with a through hole penetrating through the notch grooves.

4. The forming die of the large garbage can body as claimed in claim 1, wherein: the bin opening forming part is composed of a first annular piece and a second annular piece, and the bin opening of the bin body of the garbage bin is formed in the first annular piece and the second annular piece in an injection molding mode.

5. The forming die of the large garbage can body as claimed in claim 1, wherein: the forming die of the large garbage can body 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.