CN221136715U

CN221136715U - High-performance PET injection molding sheet injection mold

Info

Publication number: CN221136715U
Application number: CN202322760465.4U
Authority: CN
Inventors: 季国强
Original assignee: Suzhou Delia New Material Technology Co ltd
Current assignee: Suzhou Delia New Material Technology Co ltd
Priority date: 2023-10-14
Filing date: 2023-10-14
Publication date: 2024-06-14
Anticipated expiration: 2033-10-14

Abstract

The utility model provides a high-performance PET injection molding sheet injection mold, which comprises a main body assembly, wherein the bottom of the main body assembly is provided with a cooling assembly, and the cooling assembly comprises a water tank, a radiating fin, a water inlet pipe, a water pump, a drain pipe and a controller; an ejection assembly is arranged at the top of the main body assembly. According to the utility model, the water tank and the water in the cavity are replaced by the water pump, when the PET injection molding sheet is cooled, cold water is fed into the cavity to accelerate sheet cooling, when the sheet starts to be injected, the heated water is used for preserving heat of the injection molding material, the molding speed is slowed down, the water in the cavity is replaced again after injection molding is finished, so that the cold water and hot water are recycled, the production efficiency is improved, the product quality is improved, air is fed by the air pump, the sheet is pre-ejected by the air, the contact area between the sheet and the mold is reduced, and the sheet is completely ejected by the ejector rod, so that damage caused by overlarge stress of the sheet is avoided.

Description

High-performance PET injection molding sheet injection mold

Technical Field

The utility model relates to an injection mold, in particular to a high-performance PET injection molding sheet injection mold, and belongs to the technical field of PET injection molding sheet production.

Background

Injection molding, also known as injection molding, is a method of injection and molding. The injection molding method has the advantages of high production speed, high efficiency, automation in operation, multiple patterns, various shapes, large size, accurate product size, easy updating of the product, and capability of forming parts with complex shapes, and is suitable for the field of mass production, products with complex shapes and other molding processing.

In the use process of the existing PET injection molding film injection mold, the thickness of the produced sheet is thinner, so that partial region cooling speed is higher in the injection molding process, the sheet is formed unevenly, and meanwhile, the formed sheet is thinner and has larger contact area with the mold, so that the sheet is easily damaged due to the fact that the sheet is taken out in a direct ejection mode, and therefore, the high-performance PET injection molding film injection mold is provided.

Disclosure of utility model

In view of the above, the present utility model provides a high performance PET injection molding sheet injection mold to solve or alleviate the technical problems existing in the prior art, and at least provides a beneficial choice.

The technical scheme of the embodiment of the utility model is realized as follows: the high-performance PET injection molding sheet injection mold comprises a main body assembly, wherein a cooling assembly is arranged at the bottom of the main body assembly, and comprises a water tank, radiating fins, a water inlet pipe, a water pump, a drain pipe and a controller;

The lower surface of the water tank is uniformly and fixedly connected with radiating fins, one side of the water tank is communicated with a water inlet pipe, one side of the water tank, which is far away from the water inlet pipe, is communicated with a water outlet pipe, and the front surface of the water tank is provided with a controller;

the top of the main body assembly is provided with an ejection assembly, and the ejection assembly comprises a bracket, an electric telescopic rod, a connecting plate, a push rod, an air pump, an air inlet main pipe and an air inlet branch pipe;

The air outlet of the air pump is communicated with the air inlet main pipe, and the bottom of the air inlet main pipe is uniformly communicated with the air inlet branch pipes.

Further preferred is: the main body assembly comprises an upper die plate, a lower die plate, a cavity, supporting legs, an injection molding charging barrel and a feeding pipe;

The inside wall sliding connection of cope match-plate pattern has the lower bolster, water tank fixed connection is in the bottom of lower bolster, the air pump is installed in the top of cope match-plate pattern.

Further preferred is: the inside of lower bolster is provided with the cavity, cavity and inlet tube and drain pipe intercommunication, air inlet branch fixed connection is in the top of cope match-plate pattern.

Further preferred is: and a cavity is arranged between the upper die plate and the lower die plate.

Further preferred is: four supporting legs are symmetrically and fixedly connected to the lower surface of the lower template.

Further preferred is: the top of cope match-plate pattern fixed mounting has a plastic injection section of thick bamboo, the lateral wall intercommunication of plastic injection section of thick bamboo has the inlet pipe.

Further preferred is: the top fixedly connected with support of cope match-plate pattern, the top symmetry fixedly connected with two electric telescopic handle of support.

Further preferred is: the bottom fixedly connected with connecting plate of electric telescopic handle, the bottom symmetry fixedly connected with two ejector pins of connecting plate, ejector pin sliding connection is in the inside wall of cope match-plate pattern.

By adopting the technical scheme, the embodiment of the utility model has the following advantages:

1. According to the utility model, the water tank and the water in the cavity are replaced by the water pump, when the PET injection molding sheet is cooled, cold water is fed into the cavity to accelerate sheet cooling, when the sheet starts to be injected, the heated water is used for preserving heat of the injection molding material, the molding speed is slowed down, and after injection molding is finished, the water in the cavity is replaced again, so that the recycling of cold and hot water is utilized, the production efficiency is improved, and the product quality is improved.

2. According to the utility model, air is fed through the air pump, the air is utilized to pre-eject the sheet, the contact area between the sheet and the die is reduced, and then the sheet is completely ejected through the ejector rod, so that damage caused by overlarge stress of the sheet is avoided.

The foregoing summary is for the purpose of the specification only and is not intended to be limiting in any way. In addition to the illustrative aspects, embodiments, and features described above, further aspects, embodiments, and features of the present utility model will become apparent by reference to the drawings and the following detailed description.

Drawings

In order to more clearly illustrate the embodiments of the application or the technical solutions in the prior art, the drawings that are necessary for the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the application and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a block diagram of the present utility model;

FIG. 2 is a view showing the construction of the utility model after the bracket is removed;

FIG. 3 is a block diagram of a cooling assembly of the present utility model;

fig. 4 is a diagram of the structure of the cavity of the present utility model.

Reference numerals: 10. a body assembly; 11. an upper template; 12. a lower template; 13. a cavity; 14. a cavity; 15. support legs; 16. a plastic injection cylinder; 17. a feed pipe; 20. a cooling assembly; 21. a water tank; 22. a heat radiation fin; 23. a water inlet pipe; 24. a water pump; 25. a drain pipe; 26. a controller; 30. an ejection assembly; 31. a bracket; 32. an electric telescopic rod; 33. a connecting plate; 34. a push rod; 35. an air pump; 36. an intake manifold; 37. an air inlet branch pipe.

Detailed Description

Hereinafter, only certain exemplary embodiments are briefly described. As will be recognized by those of skill in the pertinent art, the described embodiments may be modified in various different ways without departing from the spirit or scope of the present utility model. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive.

Embodiments of the present utility model will be described in detail below with reference to the accompanying drawings.

As shown in fig. 1 to 4, the embodiment of the utility model provides a high-performance PET injection molding sheet injection mold, which comprises a main body assembly 10, wherein a cooling assembly 20 is arranged at the bottom of the main body assembly 10, and the cooling assembly 20 comprises a water tank 21, a radiating fin 22, a water inlet pipe 23, a water pump 24, a water outlet pipe 25 and a controller 26;

The lower surface of the water tank 21 is uniformly and fixedly connected with radiating fins 22, one side of the water tank 21 is communicated with a water inlet pipe 23, one side of the water tank 21 far away from the water inlet pipe 23 is communicated with a water outlet pipe 25, and the front surface of the water tank 21 is provided with a controller 26;

The top of the main body assembly 10 is provided with an ejection assembly 30, and the ejection assembly 30 comprises a bracket 31, an electric telescopic rod 32, a connecting plate 33, an ejector rod 34, an air pump 35, an air inlet manifold 36 and an air inlet branch pipe 37;

The air outlet of the air pump 35 is communicated with an air inlet manifold 36, and the bottom of the air inlet manifold 36 is uniformly communicated with an air inlet branch pipe 37.

In this embodiment, specific: the main body assembly 10 comprises an upper die plate 11, a lower die plate 12, a cavity 13, a cavity 14, supporting legs 15, an injection molding charging barrel 16 and a charging pipe 17;

The inside wall sliding connection of cope match-plate pattern 11 has lower bolster 12, and water tank 21 fixed connection is in the bottom of lower bolster 12, and air pump 35 installs in the top of cope match-plate pattern 11.

In this embodiment, specific: the lower die plate 12 is internally provided with a cavity 13, the cavity 13 is communicated with the water inlet pipe 23 and the water outlet pipe 25, an air inlet branch pipe 37 is fixedly connected to the top of the upper die plate 11, and air is injected between the sheet and the upper die plate 11 through the air inlet branch pipe 37.

In this embodiment, specific: a cavity 14 is provided between the upper die plate 11 and the lower die plate 12, and the cavity 14 is used for injection molding of the sheet.

In this embodiment, specific: four supporting legs 15 are symmetrically and fixedly connected to the lower surface of the lower template 12.

In this embodiment, specific: the top fixed mounting of cope match-plate pattern 11 has a plastic injection section of thick bamboo 16, and the lateral wall intercommunication of plastic injection section of thick bamboo 16 has inlet pipe 17, pours into the PET raw materials into plastic injection section of thick bamboo 16 through inlet pipe 17, and plastic injection section of thick bamboo 16 is provided with the heater for the heat preservation of raw materials.

In this embodiment, specific: the top fixedly connected with support 31 of cope match-plate pattern 11, the top symmetry fixedly connected with of support 31 two electric telescopic handle 32.

In this embodiment, specific: the bottom fixedly connected with connecting plate 33 of electric telescopic handle 32, the bottom symmetry fixedly connected with two ejector pins 34 of connecting plate 33, ejector pin 34 sliding connection is in the inside wall of cope match-plate pattern 11, and electric telescopic handle 32 is used for driving connecting plate 33 and ejector pin 34 motion.

The utility model works when in work: PET material is poured into die cavity 14 from injection molding feed cylinder 16, when PET injection molding thin slice cools off, send into cold water through water pump 24 in to cavity 13 and accelerate thin slice cooling, after the thin slice shaping, open cope match-plate pattern 11 and lower bolster 12, aerify to between thin slice and the cope match-plate pattern 11 through air pump 35, reduce the area of contact between thin slice and the cope match-plate pattern 11, the rethread electric telescopic handle 32 drives ejector pin 34 and ejects the thin slice totally, thereby avoid the thin slice atress too big damage that leads to, when the thin slice begins the material of annotating, utilize the water after the intensification to keep warm the injection molding material, slow down shaping speed, after the injection molding is accomplished, change the water in the cavity 13 again through water pump 24, hot water gets into water tank 21, cool off through radiating fin 22, cold water gets into cavity 13 heat absorption intensification, thereby through the circulation of cold and hot water use, improve product quality when improving production efficiency.

The foregoing is merely illustrative of the present utility model, and the present utility model is not limited thereto, and any person skilled in the art will readily recognize that various changes and substitutions are possible within the scope of the present utility model. Therefore, the protection scope of the present utility model shall be subject to the protection scope of the claims.

Claims

1. High performance PET injection molding sheet injection mold, including main part subassembly (10), its characterized in that: the bottom of the main body assembly (10) is provided with a cooling assembly (20), and the cooling assembly (20) comprises a water tank (21), radiating fins (22), a water inlet pipe (23), a water pump (24), a water drain pipe (25) and a controller (26);

The heat dissipation device is characterized in that the lower surface of the water tank (21) is uniformly and fixedly connected with a heat dissipation fin (22), one side of the water tank (21) is communicated with a water inlet pipe (23), one side of the water tank (21) away from the water inlet pipe (23) is communicated with a water outlet pipe (25), and the front surface of the water tank (21) is provided with a controller (26);

The top of the main body assembly (10) is provided with an ejection assembly (30), and the ejection assembly (30) comprises a bracket (31), an electric telescopic rod (32), a connecting plate (33), a push rod (34), an air pump (35), an air inlet manifold (36) and an air inlet branch pipe (37);

The air outlet of the air pump (35) is communicated with the air inlet main pipe (36), and the bottom of the air inlet main pipe (36) is uniformly communicated with an air inlet branch pipe (37).

2. The high performance PET injection molding sheet injection mold of claim 1, wherein: the main body assembly (10) comprises an upper die plate (11), a lower die plate (12), a cavity (13), a cavity (14), supporting legs (15), an injection molding charging barrel (16) and a charging pipe (17);

The inner side wall sliding connection of cope match-plate pattern (11) has lower bolster (12), water tank (21) fixed connection is in the bottom of lower bolster (12), air pump (35) are installed at the top of cope match-plate pattern (11).

3. The high performance PET injection molding sheet injection mold of claim 2, wherein: the inside of lower bolster (12) is provided with cavity (13), cavity (13) are connected with inlet tube (23) and drain pipe (25), air inlet branch pipe (37) fixed connection is in the top of cope match-plate pattern (11).

4. A high performance PET injection sheet injection mold as claimed in claim 3, wherein: a cavity (14) is arranged between the upper die plate (11) and the lower die plate (12).

5. The high performance PET injection molding sheet injection mold of claim 4, wherein: four supporting legs (15) are symmetrically and fixedly connected to the lower surface of the lower die plate (12).

6. The high performance PET injection molding sheet injection mold of claim 4, wherein: the top of the upper template (11) is fixedly provided with an injection molding cylinder (16), and the outer side wall of the injection molding cylinder (16) is communicated with a feeding pipe (17).

7. The high performance PET injection molding sheet injection mold of claim 6, wherein: the top of cope match-plate pattern (11) fixedly connected with support (31), the top symmetry fixedly connected with of support (31) two electric telescopic handle (32).

8. The high performance PET injection molding sheet injection mold of claim 7, wherein: the bottom fixedly connected with connecting plate (33) of electric telescopic handle (32), the bottom symmetry fixedly connected with of connecting plate (33) two ejector pins (34), ejector pin (34) sliding connection is in the inside wall of cope match-plate pattern (11).