Plastic cup injection-blowing integrated device with high-efficiency cooling function

Abstract

The utility model discloses a plastic cup injection blow integrated device with high cooling function in the technical field of plastic cup injection blow processing, including the mould frame of plastic cup injection blow, the mould frame top is equipped with two mould grooves for the plastic cup forming, the mould frame inside is equipped with the cooling cavity for cooling to work piece, the cooling cavity one side is installed with the water inlet pipe, the mould frame other side is circumscribed with the cooling box for the water solution cooling circulation use, the cooling box inside is installed with the cooling piece for cooling to the water solution, and the low temperature cooling water is injected through the water inlet pipe in the cooling cavity, and the work piece is rapidly cooled using the cooling water wrapping mould groove, and the cooling piece in the cooling box can extract the circulating flow use of water solution, and the water solution is cooled and radiated through the cooling piece, avoids the temperature rise of water solution heat absorption and influences the rate of water solution cooling and cooling to work piece.

Description

Technical Field

[0001] This utility model relates to the field of plastic cup injection blow molding, specifically a plastic cup injection blow molding integrated device with efficient cooling function. Background Technology

[0002] In the mass production of plastic cups, the injection blow molding process is widely used to improve production efficiency because it enables continuous operation of injection molding of the cup preform and blow molding. In this process, after the plastic cup is blow molded in the mold chamber, the cooling rate directly determines the product's shaping quality and production cycle time. Insufficient cooling will lead to cup deformation and dimensional accuracy deviations, while excessive cooling time will significantly reduce the output per unit time. Currently, the industry commonly uses water cooling to accelerate the cooling of plastic cups. This involves installing cooling water channels within the mold chamber to absorb heat from the mold and the cup body by circulating cold water. However, existing water cooling systems have significant drawbacks: On the one hand, cooling water is mostly used only once or circulated locally (such as flowing only short distances within the mold), failing to form a closed-loop circulation system, resulting in serious waste of water resources and failing to meet the requirements of energy-saving and environmentally friendly production. On the other hand, the hot water after absorbing heat and heating up lacks an efficient heat dissipation mechanism. Some devices directly discharge the hot water, which not only wastes energy but also requires continuous replenishment of cold water to maintain the cooling effect, increasing production costs. Although some devices attempt to recycle hot water, they only cool it down by simply letting it stand still, resulting in extremely low heat dissipation efficiency. After the hot water is circulated back to the cooling system, it still maintains a high temperature, reducing the temperature difference between it and the plastic cup, significantly decreasing the heat absorption capacity, and slowing down the cooling rate, which seriously restricts the molding efficiency of the plastic cup. Furthermore, existing cooling systems often employ fixed water path designs, resulting in limited contact area with the cup body within the mold chamber. The water flow rate is also non-adjustable, making it difficult to adapt to the cooling requirements of plastic cups of varying thicknesses and sizes. When producing thin-walled cups, excessive cooling can cause shrinkage marks on the cup surface; conversely, insufficient cooling when producing thick-walled cups prolongs the setting time, further highlighting the limitations of existing cooling systems. As market demands for increased production efficiency and product quality in plastic cups continue to rise, the shortcomings of existing water-cooling systems in terms of water resource utilization, heat dissipation efficiency, and adaptability have become key bottlenecks restricting the performance upgrade of integrated injection blow molding machines. Therefore, developing an integrated injection blow molding machine for plastic cups that can achieve closed-loop cooling water circulation, efficient heat dissipation, and targeted improvement of cooling rate is of great significance for reducing production costs, improving production stability, and shortening production cycles. It represents an important direction for the technological upgrade of plastic molding equipment, thus requiring the design of an integrated injection blow molding machine for plastic cups with efficient cooling capabilities to address these issues. Utility Model Content

[0003] The purpose of this invention is to provide an integrated plastic cup injection and blowing device with efficient cooling function to solve the problems mentioned in the background art.

[0004] To achieve the above objectives, this utility model provides the following technical solution: a plastic cup injection blowing integrated device with high-efficiency cooling function, including a mold frame for plastic cup injection blowing, two mold slots for plastic cup molding are opened on the top of the mold frame, a cooling cavity for cooling the workpiece is opened on the inner side of the mold frame, a water inlet pipe is installed on one side of the cooling cavity, and a cooling box for circulating cooling of water solution is connected to the other side of the mold frame, a cooling component for cooling the aqueous solution is installed inside the cooling box, and a ventilation component is added to the top of the cooling box for dissipating heat after the cooling component absorbs heat.

[0005] Preferably, the cooling component includes a first water pipe communicating with one side of the cooling chamber and near the top, the other end of the first water pipe communicating with a second water pipe via a water pump, and a third water pipe installed on one side of the cooling chamber and near the bottom.

[0006] Preferably, the other end of the third water pipe is connected to the cooling unit, the other end of the cooling unit is connected to the circulation pipe, the other end of the circulation pipe is connected to the second water pipe, and multiple heat dissipation fins are placed inside the cooling box, with the circulation pipe and heat dissipation fins arranged alternately.

[0007] Preferably, the ventilation component includes a plurality of ventilation holes evenly arranged on one side of the cooling box and near the bottom, and a cooling fan is bolted to the top of the cooling box.

[0008] Preferably, the mold frame has a plurality of evenly arranged heat dissipation holes on its outer side and near the top.

[0009] Preferably, one side of the heat dissipation fins has a plurality of rectangularly arranged guide holes.

[0010] Preferably, the mold groove is provided with uniformly arranged guide grooves.

[0011] Compared with the prior art, the beneficial effects of this utility model are: 1. The mold groove is a plastic cup-shaped structure extending downwards into the cooling chamber. Low-temperature cooling water is injected into the cooling chamber through a water inlet pipe. The cooling water surrounds the mold groove to rapidly cool the workpiece. The cooling components inside the cooling box can pump the aqueous solution for circulation and use. The cooling components also cool and dissipate heat from the aqueous solution, preventing the temperature of the aqueous solution from rising due to heat absorption, which would affect the cooling rate of the workpiece. Furthermore, ventilation components can ventilate and dissipate heat from the cooling components, preventing heat accumulation that would cause the cooling components themselves to rise in temperature and affect the circulation of the aqueous solution.

[0012] 2. The cooling unit mainly includes equipment such as compressor, condenser, and evaporator: the compressor is the core power source driving the refrigeration cycle, and achieves refrigeration by compressing the refrigerant; the condenser cools the high-temperature refrigerant and releases heat, usually using water cooling or air cooling; the evaporator absorbs heat by evaporating the refrigerant to achieve a cooling effect; the circulation pipe is arranged in a serpentine pattern, and the water pump introduces the aqueous solution in the circulation pipe to the first water pipe through the second water pipe; the third water pipe at the bottom of the cooling chamber can allow the water solution that has absorbed heat to flow through the cooling unit to the circulation pipe, and then the circulation pipe injects the cooled water solution into the cooling chamber through the first water pipe; multiple heat dissipation fins can conduct and dissipate heat in the circulation pipe to accelerate the cooling rate of the aqueous solution. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the overall structure of the present invention. Figure 1 ; Figure 2 This is a schematic diagram of the overall structure of the present invention. Figure 2 ; Figure 3 This is a left-side sectional perspective view of the overall structure of this utility model; Figure 4 This is a schematic diagram of the structure of the first water pipe, water pump, second water pipe, and circulation pipe in the overall structure of this utility model.

[0014] In the diagram: 1. Mold frame; 2. Mold groove; 3. Cooling chamber; 4. Water inlet pipe; 5. Cooling box; 6. First water pipe; 7. Water pump; 8. Second water pipe; 9. Third water pipe; 10. Cooling unit; 11. Circulation pipe; 12. Heat dissipation fins; 13. Ventilation hole; 14. Cooling fan; 15. Heat dissipation hole; 16. Guide hole; 17. Guide groove. Detailed Implementation

[0015] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0016] Example 1

[0017] Please refer to Figure 1-4As shown, this utility model provides an integrated plastic cup injection blowing device with high-efficiency cooling function, including a mold frame 1 for plastic cup injection blowing, two mold slots 2 for plastic cup molding are opened on the top of the mold frame 1, a cooling cavity 3 for cooling the workpiece is opened on the inner side of the mold frame 1, a water inlet pipe 4 is installed on one side of the cooling cavity 3, and a cooling box 5 for cooling water solution circulation is connected to the other side of the mold frame 1. A cooling component for cooling the aqueous solution is installed inside the cooling box 5, and a ventilation component is added to the top of the cooling box 5 for dissipating heat after the cooling component absorbs heat.

[0018] It should be added that the mold groove 2 is a plastic cup-shaped structure extending downwards and placed in the cooling chamber 3. Low-temperature cooling water is injected into the cooling chamber 3 through the water inlet pipe 4. The cooling water surrounds the mold groove 2 to quickly cool the workpiece. The cooling components in the cooling box 5 can pump the aqueous solution for circulation and use. The cooling components also cool and dissipate heat from the aqueous solution, preventing the aqueous solution from absorbing heat and increasing its temperature, which would affect the cooling rate of the workpiece. Furthermore, the ventilation components can ventilate and dissipate heat from the cooling components, preventing heat accumulation that would cause the cooling components themselves to heat up and affect the circulation of the aqueous solution.

[0019] Specifically, the cooling components include a first water pipe 6 connected to one side and near the top of the cooling chamber 3, the other end of the first water pipe 6 being connected to a second water pipe 8 via a water pump 7, a third water pipe 9 installed on one side and near the bottom of the cooling chamber 3, the other end of the third water pipe 9 being connected to a cooling unit 10, the other end of the cooling unit 10 being connected to a circulation pipe 11, the other end of the circulation pipe 11 being connected to the second water pipe 8, a plurality of heat dissipation fins 12 placed inside the cooling box 5, the circulation pipe 11 and the heat dissipation fins 12 being arranged alternately, a plurality of uniformly arranged heat dissipation holes 15 being opened on the outer side and near the top of the mold frame 1, a plurality of rectangularly arranged guide holes 16 being opened on one side of the heat dissipation fins 12, and a uniformly arranged guide groove 17 being opened around the mold groove 2.

[0020] The cooling unit 10 mainly includes equipment such as a compressor, condenser, and evaporator. The compressor is the core power source that drives the refrigeration cycle and achieves refrigeration by compressing the refrigerant. The condenser cools the high-temperature refrigerant and releases heat, usually using water cooling or air cooling. The evaporator absorbs heat by evaporating the refrigerant to achieve a cooling effect. The circulation pipe 11 is arranged in a serpentine pattern. The water pump 7 introduces the aqueous solution in the circulation pipe 11 to the first water pipe 6 through the second water pipe 8. The third water pipe 9 at the bottom of the cooling chamber 3 can flow the heat-absorbing aqueous solution through the cooling unit 10 to the circulation pipe 11. Then, the circulation pipe 11 injects the cooled aqueous solution into the cooling chamber 3 through the first water pipe 6. Multiple heat dissipation fins 12 can conduct and dissipate heat in the circulation pipe 11 to accelerate the cooling rate of the aqueous solution.

[0021] Furthermore, the multiple guide holes 16 of the heat dissipation fins 12 facilitate the flow of air through the fins, accelerating the rate at which the airflow drives the cooling of the workpiece. The hot air generated by the contact between the aqueous solution and the heat is discharged through the multiple heat dissipation holes 15 around the mold frame 1, preventing the hot air from affecting the continuous entry and circulation of the aqueous solution in the cooling chamber 3. The multiple guide grooves 17 around the mold groove 2 can increase the contact area between the aqueous solution and the mold groove 2, improving the cooling rate of the workpiece.

[0022] More specifically, the ventilation components include multiple ventilation holes 13 evenly arranged on one side of the cooling box 5 and near the bottom, and a cooling fan 14 is bolted to the top of the cooling box 5.

[0023] Furthermore, multiple ventilation holes 13 facilitate the entry of outside air into the cooling box 5, and the cooling fan 14 on the top of the cooling box 5 can accelerate the airflow rate inside the cooling box 5, so that the air can carry the heat on the fins out for heat dissipation through the cooling fan 14.

[0024] Working principle: First, the water pump 7 is started, which introduces the aqueous solution in the circulation pipe 11 into the first water pipe 6 through the second water pipe 8. At this time, the third water pipe 9 at the bottom of the cooling chamber 3 flows the heat-absorbing aqueous solution through the cooling unit 10 into the circulation pipe 11. The cooling unit 10 can cool the aqueous solution. Then, the circulation pipe 11 injects the cooled aqueous solution into the cooling chamber 3 through the first water pipe 6. Multiple heat dissipation fins 12 conduct heat and dissipate heat in the circulation pipe 11. The aqueous solution in the cooling chamber 3 surrounds the outside of the mold groove 2. The aqueous solution absorbs heat and cools down, while the generated hot air is discharged from the cooling chamber 3 through the heat dissipation hole 15.

[0025] The contents not described in detail in this specification are existing technologies known to those skilled in the art.

[0026] Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A plastic cup injection-blowing integrated device with high-efficiency cooling function, comprising a mold frame (1) for plastic cup injection-blowing, characterized in that: The mold frame (1) has two mold slots (2) for molding plastic cups on the top. The mold frame (1) has a cooling chamber (3) for cooling the workpiece on the inner side. A water inlet pipe (4) is installed on one side of the cooling chamber (3). A cooling box (5) for cooling water solution is connected to the other side of the mold frame (1). A cooling component for cooling the aqueous solution is installed inside the cooling box (5). A ventilation component is added to the top of the cooling box (5) for dissipating heat after the cooling component absorbs heat.

2. The plastic cup injection-blowing integrated device with high-efficiency cooling function according to claim 1, characterized in that: The cooling component includes a first water pipe (6) connected to one side and near the top of the cooling chamber (3), the other end of the first water pipe (6) being connected to a second water pipe (8) via a water pump (7), and a third water pipe (9) installed on one side and near the bottom of the cooling chamber (3).

3. The plastic cup injection-blowing integrated device with high-efficiency cooling function according to claim 2, characterized in that: The other end of the third water pipe (9) is connected to the cooling unit (10), the other end of the cooling unit (10) is connected to the circulation pipe (11), the other end of the circulation pipe (11) is connected to the second water pipe (8), and multiple heat dissipation fins (12) are placed inside the cooling box (5). The circulation pipe (11) and the heat dissipation fins (12) are arranged alternately.

4. The plastic cup injection-blowing integrated device with high-efficiency cooling function according to claim 3, characterized in that: The ventilation components include a plurality of ventilation holes (13) evenly arranged on one side of the cooling box (5) and near the bottom, and a cooling fan (14) is bolted to the top of the cooling box (5).

5. The plastic cup injection-blowing integrated device with high-efficiency cooling function according to claim 2, characterized in that: The mold frame (1) has a plurality of evenly arranged heat dissipation holes (15) on its outer side and near the top.

6. The plastic cup injection-blowing integrated device with high-efficiency cooling function according to claim 4, characterized in that: The heat dissipation fins (12) have multiple rectangularly arranged guide holes (16) on one side.

7. The plastic cup injection-blowing integrated device with high-efficiency cooling function according to claim 2, characterized in that: The mold groove (2) is surrounded by uniformly arranged guide grooves (17).

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