Plastic cup forming mold

Abstract

The utility model discloses a plastic cup forming die, which relates to the technical field of forming dies and comprises a plurality of support legs, a lower die holder and a lower die. The lower die base is arranged on the upper portions of the supporting legs. An injection molding assembly is arranged in the lower mold, the lower mold is arranged at the upper end of a lower mold base, the lower end of the lower mold is fixedly connected with the upper end of the lower mold base, an upper mold is arranged at the upper end of the lower mold, an injection molding cavity is formed between the upper mold and the lower mold, a second cooling mechanism is arranged in the upper mold, and a first cooling mechanism is arranged in the lower mold; the plastic cup forming device is designed aiming at the defects in the prior art, and the effect of accelerating plastic cup forming is achieved through the two cooling mechanisms arranged in the upper mold and the lower mold; through the push rod arranged in the middle core of the upper mold, the effect of conveniently taking the molded plastic cup is achieved, and the practicability is high.

Description

Technical Field

[0001] The utility model relates to the technical field of forming molds, in particular to a plastic cup forming mold. Background Art

[0002] Plastic cup molding molds are mainly used to produce plastic cups. There are mainly injection molding, blow molding, extrusion, die casting and other methods to get the required products. In short, it is a tool used to shape objects.

[0003] As plastic cups become more and more popular among people, the demand for plastic cups has skyrocketed. Companies will extend the working time of machines to produce more plastic cups. To make plastic cups, hot plastic raw materials are placed into the cavity of a mold, and plastic cups are obtained by pressurizing and cooling. Generally, the cooling time is too long, and it is inconvenient to take the plastic cups, which makes it impossible to quickly form and take the plastic cups. Utility Model Content

[0004] The purpose of the utility model is to provide a plastic cup forming mold to solve the problems raised in the above background technology.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A plastic cup forming mold, comprising:

[0007] Support legs, wherein the support legs are provided in a plurality;

[0008] A lower die base, the lower die base being arranged on the upper part of the supporting leg;

[0009] A lower mold, wherein an injection molding component is provided in the lower mold, the lower mold is arranged at the upper end of a lower mold base, the lower end of the lower mold is fixedly connected to the upper end of the lower mold base, an upper mold is provided at the upper end of the lower mold, an injection molding cavity is formed between the upper mold and the lower mold, a second cooling mechanism is provided in the upper mold, and a first cooling mechanism is provided in the lower mold.

[0010] As a further solution of the utility model: the injection molding component includes a nozzle, the nozzle is arranged in the middle of the lower mold base, the lower end of the nozzle is fixedly connected to a nozzle fixing plate, and the nozzle fixing plate is fixedly connected to the lower end of the lower mold base.

[0011] As a further solution of the utility model: the first cooling mechanism includes a cooling cavity, a first water inlet, and a first water outlet. The cooling cavity is arranged inside the lower mold, the first water inlet is located on the upper left side of the outer part of the lower mold, and the first water outlet is located on the lower right side of the outer part of the lower mold.

[0012] As a further solution of the utility model: the second cooling mechanism includes an annular water pipe, a second water inlet, and a second water outlet, the annular water pipe is arranged inside the upper mold, the second water inlet is located on the left side of the upper mold, the second water outlet is located on the right side of the upper mold, a push plate horizontal cavity is provided at the upper end of the upper mold, a push plate vertical cavity is provided at the center of the upper mold, and a stretch rod assembly is provided in the push plate vertical cavity for ejecting the injection-molded plastic cup.

[0013] As a further solution of the utility model: the extension rod assembly includes a push plate, a plurality of push plate springs are arranged between the lower end of the push plate and the upper end of the upper mold base, the lower end of the push plate is fixedly connected to a push rod, the push rod is located at the inner center of the upper mold (15), and the lower end of the push rod is provided with a push rod sealing port.

[0014] As a further solution of the utility model: an anti-scalding pad is provided on the upper surface of the push plate.

[0015] As a further solution of the utility model: the upper end of the positioning rod is provided with a chamfer.

[0016] As a further solution of the utility model: a plurality of positioning rods are evenly arranged on the outer portion of the upper end of the lower die seat, and the upper ends of the positioning rods are slidably connected to the positioning holes on the upper die seat.

[0017] Compared with the prior art, the beneficial effects of the utility model are:

[0018] 1. The utility model achieves the effect of accelerating the molding of the plastic cup by arranging two cooling mechanisms in the upper mold and the lower mold.

[0019] 2. The utility model achieves the effect of facilitating taking out the formed plastic cup by means of the push rod arranged in the center of the upper mold.

[0020] 3. The utility model achieves the effect of preventing scalding when pushing the push plate by arranging the anti-scalding pad on the upper surface of the push plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a structural schematic diagram of a cross section of a plastic cup forming mold.

[0022] Figure 2 It is a structural schematic diagram of the upper section of a plastic cup forming mold.

[0023] Figure 3 It is a structural schematic diagram of the lower section of a plastic cup forming mold.

[0024] Figure 4 It is a schematic diagram of the three-dimensional structure of the upper part of a plastic cup forming mold.

[0025] Figure 5It is a schematic diagram of the three-dimensional structure of the lower part of a plastic cup forming mold.

[0026] Figure 6 It is a three-dimensional structural schematic diagram of a plastic cup molding mold.

[0027] Among them: 1. Support leg; 2. Lower mold base; 3. Push rod sealing port; 4. Lower mold; 5. First water outlet; 6. Positioning rod; 7. Cooling cavity; 8. Push rod; 9. Second water outlet; 10. Upper mold base; 11. Push plate spring; 12. Push plate; 13. Second water inlet; 14. First water inlet; 15. Upper mold; 16. Annular water pipe; 17. Injection cavity; 18. Nozzle; 19. Nozzle fixing plate; 20. Push plate horizontal cavity; 21. Push plate vertical cavity; DETAILED DESCRIPTION

[0028] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0029] See also Figure 1-Figure 6 In the embodiment of the utility model, a plastic cup forming mold comprises a supporting leg 1, a lower mold base 2 and a lower mold 4, wherein the supporting leg 1 is provided with a plurality of pieces; the lower mold base 2 is arranged on the upper part of the supporting leg 1;

[0030] The lower mold 4 is provided with an injection molding component, and the injection molding component includes a nozzle 18, and the nozzle 18 is arranged in the middle of the lower mold base 2. The lower end of the nozzle 18 is fixedly connected with a nozzle fixing plate 19, and the nozzle fixing plate 19 is fixedly connected to the lower end of the lower mold base 2. After the plastic raw material is melted at high temperature, the molten plastic raw material is injected into the injection molding cavity through the nozzle to be extruded into a model. The lower mold 4 is arranged at the upper end of the lower mold base 2, and the lower end of the lower mold 4 is fixedly connected to the upper end of the lower mold base 2. The upper end of the lower mold 4 is provided with an upper mold 15, and an injection molding cavity 17 is formed between the upper mold 15 and the lower mold 4. The upper mold 15 is provided with a second cooling mechanism, and the lower mold 4 is provided with a first cooling mechanism. When in use, the first cooling mechanism and the second cooling mechanism cool the model in the injection molding cavity, thereby accelerating the molding of the plastic cup.

[0031] The first cooling mechanism includes a cooling chamber 7, a first water inlet 14, and a first water outlet 5. The cooling chamber 7 is arranged inside the lower mold 4, the first water inlet 14 is located on the upper left side of the outside of the lower mold 4, and the first water outlet 5 is located on the lower right side of the outside of the lower mold 4. When in use, cooling water is added into the cooling chamber 7 from the first water inlet 14 to absorb the heat outside the lower mold 4, and then flows out from the first water outlet 5 to cool the plastic cup squeezed outside the lower mold 4.

[0032] The second cooling mechanism includes an annular water pipe 16, a second water inlet 13, and a second water outlet 9. The annular water pipe 16 is arranged inside the upper mold 15, the second water inlet 13 is located on the left side outside the upper mold 15, and the second water outlet 9 is located on the right side outside the upper mold 15. A push plate horizontal cavity 20 is provided at the upper end of the upper mold 15, and a push plate vertical cavity 21 is provided at the center of the upper mold 15. A stretch rod assembly is provided in the push plate vertical cavity 21. When in use, cooling water is added into the annular water pipe 16 from the second water inlet 13 to absorb the heat from the outside of the upper mold 15, and then flows out from the second water outlet 9 to cool the plastic cup squeezed from the outside of the upper mold 15.

[0033] The extension rod assembly includes a push plate 12, and a plurality of push plate springs 11 are provided between the lower end of the push plate 12 and the upper end of the upper mold base 10. A push rod 8 is fixedly connected to the lower end of the push plate 12. The push rod 8 is located at the inner center of the upper mold 15. A push rod sealing port 3 is provided at the lower end of the push rod 8. When in use, the push plate 12 is pressed to drive the fixedly connected push rod 8, so that the push plate 12 and the push rod 8 move downward along the push plate horizontal cavity 20 and the push plate vertical cavity 21 respectively, so that the push rod 8 extends from the push rod sealing port 3 to eject the injection-molded plastic cup.

[0034] Working principle: When in use, the upper mold 15 and the lower mold 4 are closed to form an injection cavity 17, and then the injection molding machine injects the melted plastic raw material into the injection cavity 17 from the nozzle 18, and the cooling cavity 7 in the lower mold 4 and the annular water pipe 16 in the upper mold 15 simultaneously add cooling water from the water inlet to cool the plastic raw material in the injection cavity 17, so that the plastic cup is quickly formed, and then the upper mold 15 drives the plastic cup to move upward, presses the push plate 12, and moves the push plate 12 downward along the push plate horizontal cavity 20 and the push plate vertical cavity 21, driving the fixedly connected push rod 8, and the push rod 8 pushes the plastic cup out from the push rod sealing port 3, so that the plastic cup is easy to take, which is convenient for the use of the molding mold.

[0035] It is obvious to those skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and that the present invention can be implemented in other specific forms without departing from the spirit or basic features of the present invention. Although the present specification is described in accordance with the implementation modes, not every implementation mode includes only one technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment can also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A plastic cup forming mold, comprising: A supporting leg (1), wherein the supporting leg (1) is provided in a plurality; A lower die base (2), wherein the lower die base (2) is arranged on the upper part of the supporting leg (1); The invention is characterized in that: it also includes a lower mold (4), an injection molding component is provided in the lower mold (4), the lower mold (4) is arranged at the upper end of the lower mold base (2), the lower end of the lower mold (4) is fixedly connected to the upper end of the lower mold base (2), a plurality of positioning rods (6) are evenly provided at the upper outer end of the lower mold base (2), an upper mold (15) is provided at the upper end of the lower mold (4), an injection molding cavity (17) is formed between the upper mold (15) and the lower mold (4), a second cooling mechanism is provided in the upper mold (15), and a first cooling mechanism is provided in the lower mold (4).

2. A plastic cup forming mold according to claim 1, characterized in that: The injection molding component comprises a nozzle (18), the nozzle (18) is arranged in the middle of the lower mold base (2), the lower end of the nozzle (18) is fixedly connected to a nozzle fixing plate (19), and the nozzle fixing plate (19) is fixedly connected to the lower end of the lower mold base (2).

3. A plastic cup forming mold according to claim 1, characterized in that: The first cooling mechanism comprises a cooling cavity (7), a first water inlet (14), and a first water outlet (5); the cooling cavity (7) is arranged inside the lower mold (4); the first water inlet (14) is located on the upper left side of the outside of the lower mold (4); and the first water outlet (5) is located on the lower right side of the outside of the lower mold (4).

4. A plastic cup forming mold according to claim 1, characterized in that: The second cooling mechanism comprises an annular water pipe (16), a second water inlet (13), and a second water outlet (9); the annular water pipe (16) is arranged inside the upper mold (15); the second water inlet (13) is located on the left side outside the upper mold (15); the second water outlet (9) is located on the right side outside the upper mold (15); a push plate transverse cavity (20) is provided at the upper end of the upper mold (15); a push plate vertical cavity (21) is provided at the center of the upper mold (15); a stretching rod assembly is provided in the push plate vertical cavity (21) for ejecting the injected plastic cup.

5. A plastic cup forming mold according to claim 4, characterized in that: The extension rod assembly includes a push plate (12), a plurality of push plate springs (11) are provided between the lower end of the push plate (12) and the upper end of the upper mold base (10), a push rod (8) is fixedly connected to the lower end of the push plate (12), the push rod (8) is located at the inner center of the upper mold (15), and a push rod sealing port (3) is provided at the lower end of the push rod (8).

6. A plastic cup forming mold according to claim 5, characterized in that: The upper surface of the push plate (12) is provided with an anti-scalding pad.

7. A plastic cup forming mold according to claim 1, characterized in that: The upper end of the positioning rod (6) is provided with a chamfer.

8. The plastic cup forming mold according to claim 1, characterized in that: A plurality of positioning rods (6) are evenly arranged on the outside of the upper end of the lower die seat (2), and the upper ends of the positioning rods (6) are slidably connected to the positioning holes on the upper die seat (10).

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