CN219133027U

CN219133027U - Mould is used in preparation of disposable plastics cutlery box

Info

Publication number: CN219133027U
Application number: CN202222466579.3U
Authority: CN
Inventors: 刘敬忠; 刘泽鹏
Original assignee: Quzhou Xinli Industrial Co ltd
Current assignee: Quzhou Xinli Industrial Co ltd
Priority date: 2022-09-19
Filing date: 2022-09-19
Publication date: 2023-06-06
Anticipated expiration: 2032-09-19

Abstract

The utility model discloses a die for manufacturing a disposable plastic cutlery box, which comprises a lower die assembly, wherein the top of the lower die assembly is fixedly sleeved with a die sleeve assembly, the lower die assembly comprises a main die, a movable plate is movably sleeved in the main die, the top of the movable plate is fixedly connected with a first spring, the bottom end of the first spring is fixedly connected with the bottom of the inner wall of the main die, and a first hole penetrating into the inside is formed in the top of the main die.

Description

Mould is used in preparation of disposable plastics cutlery box

Technical Field

The utility model relates to a die, in particular to a die for manufacturing a disposable plastic cutlery box.

Background

The mould is a variety of moulds and tools used for injection moulding, blow moulding, extrusion, die casting or forging, smelting, stamping and other methods in industrial production to obtain the required products. In short, the mold is a tool for manufacturing a molded article, and in manufacturing a disposable plastic cutlery box, the mold is required to be used, and the molded article is manufactured by an injection molding mode.

The existing disposable plastic cutlery box mould has some defects:

firstly, after the disposable plastic cutlery box is injection molded in a mold, the disposable plastic cutlery box is usually required to be taken out by using a sucker or manually, and the disposable plastic cutlery box is usually relatively fastened after the injection molding in the mold is finished, so that the problem of difficult taking out exists;

secondly, when injection molding is carried out, the plastic solution is injected into a specific molding cavity of a mold for filling, and the manufacturing of the disposable plastic cutlery box is completed after cooling and shaping, however, a certain waiting time is needed in the cooling process of the plastic solution, and the production efficiency is reduced.

Disclosure of Invention

The utility model aims to provide a mold for manufacturing a disposable plastic cutlery box, which solves the problems that in the prior art, the disposable plastic cutlery box is relatively fastened in the mold and is difficult to take out in an injection molding mode, and a certain waiting cooling time is needed when the disposable plastic cutlery box is injected in the mold, so that the production efficiency is affected.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a mould is used in disposable plastics cutlery box preparation, includes the bed die subassembly, the fixed die sleeve subassembly that has cup jointed in top of bed die subassembly, the bed die subassembly is including the master die, the inside activity of master die has cup jointed the movable plate, the first spring of top fixedly connected with of movable plate, the bottom of first spring and the inner wall bottom fixed connection of master die, the hole No. one that runs through to inside has been seted up at the top of master die, and the push-and-pull rod subassembly has been cup jointed in its hole No. one activity, the bottom of push-and-pull rod subassembly and the top fixed connection of movable plate, the top of push-and-pull rod subassembly is located the top fixedly connected with pushing disc of master die, the top fixedly connected with two movable columns of movable plate, two the top of movable column runs through to the top of master die.

As a preferred technical scheme of the utility model, the die sleeve assembly comprises a main die sleeve, a cooling bin is arranged in the main die sleeve, a second hole is formed in one side of the main die sleeve, a vortex tube is fixedly connected to the inner wall of the second hole, an air inlet pipe is fixedly arranged on the air inlet hole of the vortex tube, a third hole is formed in the other side of the main die sleeve, an air outlet pipe is fixedly connected to the inner wall of the third hole, a pressure cylinder is fixedly connected to the other end of the air outlet pipe, an exhaust pipe is fixedly connected to the other end of the pressure cylinder, a sealing cover is movably sleeved in the pressure cylinder, the other side of the sealing cover is fixedly connected with the inner wall of the pressure cylinder through a second spring, a liquid inlet hole is formed in the top of the main die sleeve, and a liquid inlet pipe is fixedly connected to the inner wall of the liquid inlet hole.

As a preferable technical scheme of the utility model, four holes penetrating through the moving plate are formed in four corners of the top of the moving plate, positioning columns are movably sleeved in the four holes, and the top ends and the bottom ends of the four positioning columns are fixedly connected with the inner wall of the main die.

As a preferable technical scheme of the utility model, the push-pull rod assembly is in clearance fit in a first hole at the top of the main die.

As a preferable technical scheme of the utility model, the push-pull rod assembly comprises a cylinder, an inner column is movably sleeved in the cylinder, and the bottom end of the inner column is fixedly connected with the inner wall of the cylinder through a tension spring.

As a preferable technical scheme of the utility model, the air outlet pipe comprises a main pipe barrel, the inner cavity of the main pipe barrel is fixedly connected with a fixing frame, the inner cavity of the fixing frame is movably sleeved with a balance column, and the other end of the balance column is fixedly connected with a sealing cover.

As a preferable technical scheme of the utility model, one end of the air outlet pipe, which faces the sealing cover, is provided with a rubber ring.

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

1. according to the utility model, after the lower die assembly is arranged and is in butt joint with the die sleeve assembly, an injection cavity is formed at the gap, and the liquid inlet pipe is used for injecting and molding into the cavity to finish the manufacture of the disposable plastic cutlery box, in the process, the die sleeve assembly is covered on the top of the lower die assembly, the movable column is pressed down to enable the push plate to be tightly attached to the top of the main die, when injection molding is finished, the disposable plastic cutlery box is sleeved on the top of the main die, when the die sleeve assembly is opened, the movable column is cancelled to be pressed, the push plate can be moved upwards through the elasticity of the first spring to push the disposable plastic cutlery box, so that an auxiliary effect is achieved when the disposable plastic cutlery box is taken, and the condition that the disposable plastic cutlery box is difficult to take out is avoided.

2. According to the utility model, the vortex tube is arranged to blow out cold air into the main die sleeve, and after injection molding is performed into the cavity of the die sleeve assembly through the liquid inlet tube, the main die sleeve can be rapidly cooled wholly under the influence of the cold air blown out by the vortex tube, so that the rapid cooling of injection molded plastic solution is achieved, the rapid cooling and shaping effects of injection molded disposable plastic cutlery boxes are achieved, and the generation efficiency of the disposable plastic cutlery boxes is improved.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic cross-sectional view of the lower mold assembly and the die sleeve assembly of FIG. 1 according to the present utility model;

FIG. 3 is a schematic illustration of the push-pull rod assembly of FIG. 2 according to the present utility model;

FIG. 4 is a schematic view of the structure of the outlet pipe in FIG. 2 according to the present utility model.

In the figure: 1. a lower die assembly; 2. a die sleeve assembly; 11. a main mold; 12. a moving plate; 13. positioning columns; 14. a moving column; 15. a first spring; 16. a push-pull rod assembly; 17. pushing the disc; 21. a main die sleeve; 22. a cooling bin; 23. a liquid inlet pipe; 24. a vortex tube; 25. an air inlet pipe; 26. an air outlet pipe; 27. sealing cover; 28. a pressure cylinder; 29. an exhaust pipe; 210. a second spring; 161. a cylinder column; 162. an inner column; 163. a tension spring; 261. a main tube; 262. a fixing frame; 263. balance column.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, the present utility model provides a technical scheme of a mold for manufacturing a disposable plastic cutlery box:

embodiment one:

according to the figures 1, 2 and 3, a mould for manufacturing a disposable plastic cutlery box comprises a lower mould component 1, wherein the top of the lower mould component 1 is fixedly sleeved with a mould sleeve component 2, the lower mould component 1 comprises a main mould 11, the inside of the main mould 11 is movably sleeved with a movable plate 12, the top of the movable plate 12 is fixedly connected with a first spring 15, the bottom end of the first spring 15 is fixedly connected with the bottom of the inner wall of the main mould 11, the top of the main mould 11 is provided with a first hole penetrating into the inside, a push-pull rod component 16 is movably sleeved in the first hole, the bottom end of the push-pull rod component 16 is fixedly connected with the top of the movable plate 12, the top end of the push-pull rod component 16 is fixedly connected with a push disc 17 at the top of the main mould 11, the top of the movable plate 12 is fixedly connected with two movable columns 14, the top ends of the two movable columns 14 penetrate into the top of the main mould 11, four holes penetrating through the moving plate 12 are formed in four corners of the top of the moving plate 12, positioning columns 13 are movably sleeved in the four holes, the top ends and the bottom ends of the four positioning columns 13 are fixedly connected with the inner wall of the main die 11, the situation that the moving plate 12 is inclined when moving can be avoided through the matching of the four positioning columns 13, the push-pull rod assembly 16 is in clearance fit in the first hole of the top of the main die 11, the push-pull rod assembly 16 can be prevented from having larger friction force in the first hole through the clearance fit of the push-pull rod assembly 16, the push-pull rod assembly 16 has overlarge resistance when moving, the push-pull rod assembly 16 comprises a cylinder 161, an inner column 162 is movably sleeved in the cylinder 161, the bottom end of the inner column 162 is fixedly connected with the inner wall of the cylinder 161 through a tension spring 163, the push-pull rod assembly 16 has certain extensibility, the push-pull rod assembly 16 is prevented from being moved down too far, resulting in excessive pushing down of the pushing plate 17 causing deformation of the top of the main mold 11.

When the mold for manufacturing the disposable plastic cutlery box is used, after the mold sleeve assembly 2 is covered on the top of the lower mold assembly 1 during operation, the mold sleeve assembly 2 presses the movable column 14, the movable column 14 moves towards the inside of the main mold 11 and pushes the movable plate 12 downwards, the movable plate 12 can drive the push-pull rod assembly 16 to move downwards, the push plate 17 is tightly attached to the top of the main mold 11, after the mold sleeve assembly 2 is opened after injection molding is completed, the disposable plastic cutlery box is sleeved on the top of the main mold 11, the movable column 14 loses pushing force, and under the influence of the elastic force of the first spring 15, the movable plate 12 can reset to drive the push-pull rod assembly 16 to move upwards, so that the push plate 17 pushes the disposable plastic cutlery to assist in taking.

Embodiment two:

on the basis of the first embodiment, as shown in fig. 2 and 4, the die sleeve assembly 2 comprises a main die sleeve 21, a cooling bin 22 is arranged in the main die sleeve 21, a second hole is formed in one side of the main die sleeve 21, a vortex tube 24 is fixedly connected to the inner wall of the second hole, an air inlet pipe 25 is fixedly arranged in an air inlet hole of the vortex tube 24, a third hole is formed in the other side of the main die sleeve 21, an air outlet pipe 26 is fixedly connected to the inner wall of the third hole, a pressure cylinder 28 is fixedly connected to the other end of the air outlet pipe 26, an exhaust pipe 29 is fixedly connected to the other end of the pressure cylinder 28, a sealing cover 27 is movably sleeved in the pressure cylinder 28, the other side of the sealing cover 27 is fixedly connected with the inner wall of the pressure cylinder 28 through a second spring 210, a liquid inlet hole is formed in the top of the main die sleeve 21, a liquid inlet pipe 23 is fixedly connected to the inner wall of the liquid inlet hole of the main die sleeve, the air outlet pipe 26 comprises a main tube 261, a fixing frame 262 is fixedly connected to the inner cavity of the main tube 261, a balance column 263 is movably sleeved in the inner cavity of the fixing frame 262, the other end of the balance column 263 is fixedly connected to the sealing cover 27, the sealing cover 263 is matched with the fixing frame 262, the sealing cover 27 is capable of preventing the sealing cover 27 from being moved towards the sealing cover 27, and sealing cover 27 is capable of sealing the sealing cover 27.

When the mold for manufacturing the disposable plastic cutlery box is used, when the plastic solution is waiting to be cooled, air is input into the vortex tube 24 through the air inlet pipe 25, cold air is output by the vortex tube 24 and injected into the cooling bin 22, when the cold air enters the cooling bin 22 and fully contacts with the inner wall of the cooling bin 22, the rapid cooling effect of the main die sleeve 21 is achieved, the plastic solution is assisted to be cooled, after the pressure in the cooling bin 22 is overlarge, the air passes through the air outlet pipe 26 to extrude the sealing cover 27, the sealing cover 27 is displaced and compresses the second spring 210, at the moment, the air in the cooling bin 22 passes through the air outlet pipe 26 and enters the pressure cylinder 28 and is discharged through the air outlet pipe 29, and when the pressure in the cooling bin 22 is normal, the sealing cover 27 is restored to the position through the elasticity of the second spring 210 to block the air outlet pipe 26 again.

In the description of the present utility model, it should be understood that the orientation or positional relationship indicated is based on the orientation or positional relationship shown in the drawings, and is merely for convenience in describing the present utility model and simplifying the description, and does not indicate or imply that the apparatus or element 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.

In the present utility model, unless explicitly specified and defined otherwise, for example, it may be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intermediaries, or in communication with each other or in interaction with each other, unless explicitly defined otherwise, the meaning of the terms described above in this application will be understood by those of ordinary skill in the art in view of the specific circumstances.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a mould is used in preparation of disposable plastics cutlery box, includes bed die subassembly (1), fixed die sleeve subassembly (2) that have cup jointed in top of bed die subassembly (1), its characterized in that: the lower die assembly (1) comprises a main die (11), a movable plate (12) is movably sleeved in the main die (11), a first spring (15) is fixedly connected to the top of the movable plate (12), the bottom of the first spring (15) is fixedly connected with the bottom of the inner wall of the main die (11), a first hole penetrating into the inside is formed in the top of the main die (11), a push-pull rod assembly (16) is movably sleeved in the first hole, the bottom of the push-pull rod assembly (16) is fixedly connected with the top of the movable plate (12), the top of the push-pull rod assembly (16) is fixedly connected with a pushing disc (17) at the top of the main die (11), two movable columns (14) are fixedly connected to the top of the movable plate (12), and the tops of the two movable columns (14) penetrate through the top of the main die (11).

2. The mold for manufacturing disposable plastic cutlery box according to claim 1, wherein: the utility model discloses a cooling device for a plastic injection molding machine, including mould cover subassembly (2), including main mould cover (21), cooling bin (22) have been seted up to the inside of main mould cover (21), no. two holes have been seted up to one side of main mould cover (21), its No. two hole inner wall fixedly connected with vortex tube (24), inlet port fixed mounting of vortex tube (24) has intake pipe (25), no. three holes have been seted up to the opposite side of main mould cover (21), no. three hole inner wall fixedly connected with outlet duct (26), the other end fixedly connected with pressure cylinder (28) of outlet duct (26), the other end fixedly connected with blast pipe (29) of pressure cylinder (28), sealed lid (27) have been cup jointed in the inside activity of pressure cylinder (28), the opposite side of sealed lid (27) is through second spring (210) and the inner wall fixedly connected with of pressure cylinder (28), the feed liquor hole has been seted up at the top of main mould cover (21), its feed liquor hole inner wall fixedly connected with feed liquor pipe (23).

3. The mold for manufacturing disposable plastic cutlery box according to claim 1, wherein: four holes penetrating through the movable plate (12) are formed in four corners of the top of the movable plate (12), positioning columns (13) are movably sleeved in the four holes, and the top ends and the bottom ends of the four positioning columns (13) are fixedly connected with the inner wall of the main die (11).

4. The mold for manufacturing disposable plastic cutlery box according to claim 1, wherein: the push-pull rod assembly (16) is in clearance fit in a first hole at the top of the main die (11).

5. The mold for manufacturing disposable plastic cutlery box according to claim 1, wherein: the push-pull rod assembly (16) comprises a barrel column (161), an inner column (162) is movably sleeved in the barrel column (161), and the bottom end of the inner column (162) is fixedly connected with the inner wall of the barrel column (161) through a tension spring (163).

6. The mold for manufacturing disposable plastic cutlery box according to claim 2, wherein: the air outlet pipe (26) comprises a main pipe barrel (261), a fixing frame (262) is fixedly connected to the inner cavity of the main pipe barrel (261), a balance column (263) is movably sleeved in the inner cavity of the fixing frame (262), and the other end of the balance column (263) is fixedly connected with a sealing cover (27).

7. The mold for manufacturing disposable plastic cutlery box according to claim 2, wherein: one end of the air outlet pipe (26) facing the sealing cover (27) is provided with a rubber ring.