CN216579045U

CN216579045U - Rotary cover die of large garbage can convenient for demoulding

Info

Publication number: CN216579045U
Application number: CN202122755227.5U
Authority: CN
Inventors: 徐辉
Original assignee: Wuhan Ruimeijia Plastic Industry Co ltd
Current assignee: Wuhan Ruimeijia Plastic Industry Co ltd
Priority date: 2021-11-11
Filing date: 2021-11-11
Publication date: 2022-05-24
Anticipated expiration: 2031-11-11

Abstract

The utility model discloses a rotary cover die of a large garbage can convenient for realizing demoulding, and particularly relates to the technical field of dies, which comprises a lower die, wherein the top end of the lower die is provided with a die cavity, the outside of the die cavity is provided with a cooling groove, an installation support plate is arranged inside the cooling groove, and a cooling mechanism is arranged below the installation support plate; the cooling mechanism comprises three cooling guide pipes arranged below the installation support plate. By arranging the cooling mechanism, cooling water can enter the first collecting pipe through the cooling inlet pipe, is distributed into the three cooling guide pipes from the first collecting pipe, enters the bottom surrounding pipe along the injection pipe and then enters the output pipe, and can be used for fitting and cooling the bottom wall and the peripheral surface of the cooling tank, so that the forming is quicker, the deformation of the rotary cover during taking out is avoided, the cooling efficiency is greatly improved, and the product damage rate is reduced.

Description

Rotary cover die of large garbage can convenient for demoulding

Technical Field

The utility model relates to the technical field of dies, in particular to a rotary cover die of a large garbage can, which is convenient for demoulding.

Background

A trash can, also known as a waste bin or dustbin, refers to a container that holds trash. Most of the garbage bags are made of metal or plastic, and when the garbage bags are used, the garbage bags can be pricked up and discarded. The garbage bin is the container of "hiding dirty dirt" in people's life, need put large-scale garbage bin in the community, and the garbage bin top need be covered with the rotating cover to need use professional mould to mould plastics the integration and form in the rotating cover processing production process, then install on the garbage bin.

In the actual use process, the upper die and the lower die are vertically attached under the action of an injection molding machine, then injection molding operation is carried out on a space formed between the upper die and the lower die, cooling water is required to be filled into a cooling pipeline for edge cooling operation after injection molding is finished, and then the cover is rotated for injection molding, but the following defects are caused;

in the cooling process, after the mold is molded, the cooling cannot achieve multi-surface cooling, so that the molding is slow and soft, the rotating cover is easy to deform when being taken out, and the cooling efficiency is reduced.

SUMMERY OF THE UTILITY MODEL

In order to overcome the above defects in the prior art, embodiments of the present invention provide a mold for a rotating cover of a large trash can, which is convenient for demoulding, and a cooling mechanism is provided to perform fitting cooling on a bottom wall and a peripheral surface of a cooling tank, so that the forming is faster, and the rotating cover is not deformed when being taken out, thereby greatly improving the cooling efficiency, reducing the product damage rate, and solving the problems in the background art.

In order to achieve the purpose, the utility model provides the following technical scheme: a rotary cover die of a large garbage can convenient for demoulding comprises a lower die, wherein a die cavity is formed in the top end of the lower die, a cooling groove is formed outside the die cavity, an installation support plate is arranged inside the cooling groove, and a cooling mechanism is arranged below the installation support plate;

the cooling mechanism comprises three cooling guide pipes arranged below the mounting support plate, one end of each cooling guide pipe is connected with a first collecting pipe, one end of each first collecting pipe is connected with a cooling leading-in pipe, the other end of each cooling guide pipe is connected with a second collecting pipe, one end of each second collecting pipe is connected with a cooling leading-out pipe, a bottom surrounding pipe is embedded and mounted at the bottom end of the lower die, one end of each bottom surrounding pipe is connected with an injection pipe, and the other end of each bottom surrounding pipe is connected with an output pipe communicated with the second collecting pipe.

In a preferred embodiment, three cooling guide pipes are vertically arranged in an equidistant manner from top to bottom, and two ends of the first collecting pipe are respectively communicated with the cooling guide pipes and the cooling leading-in pipes in pairs.

In a preferred embodiment, an injection molding pipe is connected to one side of the lower mold, and the injection molding pipe and the lower mold are welded and fixed.

In a preferred embodiment, the guide bar is all installed on the bed die top and near four corner positions, the outside bed die top cover that just is located of guide bar is equipped with the mould, the guide bar top pot head is equipped with the stopper, it is connected with the mounting panel to go up the mould top, fixed connection between mounting panel and the last mould.

In a preferred embodiment, an ejection groove is formed in the bottom end of the inner wall of the cooling groove, an ejector pin is arranged on the inner wall of the ejection groove, an ejection disc is connected to the top end of the ejector pin, four ejection plates are arranged outside the ejection disc, an upper ejection cylinder is mounted at the bottom end of the ejector pin, a support base is mounted outside the upper ejection cylinder, and the support base is connected with the upper ejection cylinder through a bolt.

The utility model has the technical effects and advantages that:

1. by arranging the cooling mechanism, cooling water can enter the first collecting pipe through the cooling inlet pipe, is distributed into the three cooling guide pipes by the first collecting pipe, enters the bottom surrounding pipe along the injection pipe and then enters the output pipe, and can be used for fitting and cooling the bottom wall and the peripheral surface of the cooling tank, so that the forming is quicker, the deformation of the rotary cover when the rotary cover is taken out can not be caused, the cooling efficiency is greatly improved, and the product damage rate is reduced;

2. after the cooling tank is internally provided with the formed rotating cover, the jacking cylinder drives the ejector pins to move upwards, the jacking plate drives the four jacking plates to move upwards, the jacking plates can be attached to the bottom surface of the rotating cover to support at multiple angles, cross support is formed, the rotating cover of the garbage can is guaranteed to be stably ejected, and quick demolding operation is realized.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

FIG. 2 is a schematic cross-sectional view of a lower mold according to the present invention.

Fig. 3 is a schematic view of a disassembled structure of the mounting support plate and the lower mold of the utility model.

FIG. 4 is a schematic view of a bottom surround tube configuration of the present invention.

The reference signs are: 1. a lower die; 2. a die cavity; 3. a cooling tank; 4. mounting a support plate; 5. cooling the guide pipe; 6. a first header; 7. a cooling lead-in pipe; 8. a second header; 9. cooling the delivery pipe; 10. An injection pipe; 11. an output pipe; 12. a bottom surrounding the tube; 13. a support base; 14. injection molding a tube; 15. A guide bar; 16. an upper die; 17. a limiting block; 18. mounting a plate; 19. ejecting the groove; 20. a thimble; 21. ejecting the disc; 22. jacking up the plate; 23. and (6) pushing the cylinder upwards.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The rotary cover die for the large garbage can convenient for demoulding as shown in the attached figures 1-4 comprises a lower die 1, wherein a die cavity 2 is formed at the top end of the lower die 1, a cooling groove 3 is formed outside the die cavity 2, an installation support plate 4 is arranged inside the cooling groove 3, and a cooling mechanism is arranged below the installation support plate 4;

the cooling mechanism comprises three cooling guide pipes 5 arranged below the installation support plate 4, one ends of the cooling guide pipes 5 are connected with a first collecting pipe 6, one end of the first collecting pipe 6 is connected with a cooling lead-in pipe 7, the other ends of the cooling guide pipes 5 are connected with a second collecting pipe 8, one end of the second collecting pipe 8 is connected with a cooling lead-out pipe 9, a bottom surrounding pipe 12 is embedded and installed at the bottom end of the lower die 1, one end of the bottom surrounding pipe 12 is connected with an injection pipe 10, and the other end of the bottom surrounding pipe 12 is connected with an output pipe 11 communicated with the second collecting pipe 8.

As shown in fig. 3, three cooling guide pipes 5 are vertically arranged from top to bottom in sequence at equal intervals, so that the three cooling guide pipes 5 can simultaneously perform vertical covering cooling in the cooling tank 3, and thus, the three cooling guide pipes can be attached to the cooling tank to achieve a better cooling effect, two ends of the first collecting pipe 6 are respectively communicated with the cooling guide pipes 5 and the cooling guide pipes 7, so that cooling water can enter the first collecting pipe 6 through the cooling guide pipes 7 and enter the three cooling guide pipes 5 along the first collecting pipe 6 to be distributed, and the time cooling effect is achieved.

As shown in the attached figure 1, one side of the lower die 1 is connected with an injection pipe 14, and the injection pipe 14 is welded and fixed with the lower die 1 so as to be connected with injection equipment of an injection molding machine through the injection pipe 14, so that molten plastic can be filled into the die under the action of the injection molding machine.

As shown in the attached

drawing

1, 1 top of lower mould just is close to four corner positions and all installs guide bar 15, guide bar 15 outside just is located 1 top cover of lower mould and is equipped with

mould

16, 15 top covers of guide bar are equipped with stopper 17, so that can make guide bar 15 move down through last mould 16, thereby it laminates with lower mould 1 perpendicularly downwards to go up mould 16, it is connected with mounting panel 18 to go up the mould 16 top, fixed connection between mounting panel 18 and the last mould 16, so that mounting panel 18 can be installed on the hoist mechanism of the machine of moulding plastics, carry out the compound die and divide the mould like this, conveniently carry out the operation of moulding plastics.

As shown in fig. 2-4, the bottom end of the inner wall of the cooling tank 3 is provided with an ejection slot 19, the inner wall of the ejection slot 19 is provided with an ejector pin 20, the top end of the ejector pin 20 is connected with an ejection disc 21, the outer part of the ejection disc 21 is provided with four ejection plates 22, the bottom end of the ejector pin 20 is provided with an upper ejection cylinder 23, so that after the rotary cover is molded in the cooling tank 3, the ejector cylinder 23 can be started, the ejector cylinder 23 drives the ejector pin 20 to move upwards, the ejector pin 20 drives the ejector plate 21 to move upwards, the ejector plate 21 drives the four ejector plates 22 to move upwards, thus, the four jacking plates 22 can be attached to the bottom surface of the rotary cover for multi-angle support, stable mold removal operation is realized, the supporting base 13 is arranged outside the upper jacking cylinder 23, the supporting base 13 is connected with the upper jacking cylinder 23 through bolts, so that the supporting base 13 can support the upward jacking cylinder 23, and the upward jacking cylinder 23 can be stably used.

The working principle of the utility model is as follows: when in use, the lower die 1 and the upper die 16 are closed, melted plastics are filled into the injection molding pipe 14 through an injection molding machine and are filled into the die cavity 2 through the injection molding pipe 14 for molding, then cooling water is pressurized, a pump is arranged in a factory to realize water circulation conveying, the water can enter the first collecting pipe 6 through the cooling leading-in pipe 7, is divided into three cooling guide pipes 5 through the first collecting pipe 6, meanwhile, the other part of the cooling water is filled into the injection pipe 10, enters the bottom surrounding pipe 12 along the injection pipe 10, enters the output pipe 11 along the bottom surrounding pipe 12, enters the second collecting pipe 8 after heat exchange through the cooling guide pipes 5, enters the cooling leading-out pipe 9 along the second collecting pipe 8 to form outflow, so that the bottom wall and the peripheral surface of the cooling groove 3 can be attached and cooled, and the molding operation of the rotary cover of the garbage can be quickly realized, the production efficiency is improved.

The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;

secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the utility model, only the structures related to the disclosed embodiments are referred to, other structures can refer to common designs, and the same embodiment and different embodiments of the utility model can be combined with each other without conflict;

and finally: the above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that are within the spirit and principle of the present invention are intended to be included in the scope of the present invention.

Claims

1. The utility model provides a rotatory lid mould of large-scale garbage bin convenient to realize demoulding, includes bed die (1), its characterized in that: a die cavity (2) is formed in the top end of the lower die (1), a cooling groove (3) is formed in the outer portion of the die cavity (2), an installation support plate (4) is arranged in the cooling groove (3), and a cooling mechanism is arranged below the installation support plate (4);

the cooling mechanism comprises three cooling guide pipes (5) arranged below a mounting support plate (4), one ends of the cooling guide pipes (5) are connected with a first collecting pipe (6), one ends of the first collecting pipes (6) are connected with cooling lead-in pipes (7), the other ends of the cooling guide pipes (5) are connected with a second collecting pipe (8), one ends of the second collecting pipes (8) are connected with cooling lead-out pipes (9), a bottom surrounding pipe (12) is embedded and mounted at the bottom end of the lower die (1), one end of the bottom surrounding pipe (12) is connected with an injection pipe (10), and the other end of the bottom surrounding pipe (12) is connected with an output pipe (11) communicated with the second collecting pipe (8).

2. The rotating cover die of the large trash can convenient for realizing demoulding according to claim 1, wherein: the three cooling guide pipes (5) are vertically arranged from top to bottom in sequence at equal intervals.

3. The rotating cover die of the large trash can convenient for realizing demoulding according to claim 1, wherein: and two ends of the first collecting pipe (6) are respectively communicated with the cooling guide pipe (5) and the cooling leading-in pipe (7) pairwise.

4. The rotating cover die of the large trash can convenient for realizing demoulding according to claim 1, wherein: one side of the lower die (1) is connected with an injection molding pipe (14), and the injection molding pipe (14) is fixedly welded with the lower die (1).

5. The rotating cover die of the large trash can convenient for realizing demoulding according to claim 1, wherein: the die is characterized in that guide rods (15) are installed on the top end of the lower die (1) and close to four corner positions, an upper die (16) is sleeved outside the guide rods (15) and located above the lower die (1), and limit blocks (17) are sleeved on the top ends of the guide rods (15).

6. The rotating cover die of the large garbage can convenient for realizing demoulding according to claim 5, wherein: go up mould (16) top and be connected with mounting panel (18), fixed connection between mounting panel (18) and last mould (16).

7. The rotating cover die of the large trash can convenient for realizing demoulding according to claim 1, wherein: ejecting groove (19) have been seted up to cooling bath (3) inner wall bottom, ejecting groove (19) inner wall is provided with thimble (20), thimble (20) top is connected with ejection dish (21), ejection dish (21) outside is provided with four liftout plates (22), push up cylinder (23) are installed to thimble (20) bottom.

8. The rotating cover die of the large trash can convenient for realizing demoulding according to claim 7, wherein: go up top cylinder (23) externally mounted have support base (13), support base (13) and go up to be connected through the bolt between top cylinder (23).