A bottle bottom cooling device

Abstract

This utility model belongs to the field of plastic bottle cooling technology, specifically a bottle bottom cooling device, including a turntable machine. Several mounting plates are fixedly installed on the top of the turntable machine, arranged in a circular array. Lifting cylinders are fixedly installed on each of the mounting plates, and clamping cylinders are fixedly connected to the output shafts of each lifting cylinder. Each clamping cylinder holds a plastic bottle. This utility model uses multiple sets of atomizing nozzles arranged in a circular array to evenly cover the bottle bottom with water mist, avoiding localized overcooling caused by traditional unidirectional cooling. Simultaneously, the atomizing cooling component and the drying component work together, first rapidly cooling the bottle with water mist, then accelerating evaporation with high-speed airflow, significantly shortening the cooling time and reducing residual moisture at the bottle bottom. Furthermore, the cooling waste liquid is filtered and recycled to a transparent water tank through a reflux component, achieving water resource recycling and reducing water consumption and waste liquid discharge.

Description

Technical Field

[0001] This utility model relates to the field of plastic bottle cooling technology, specifically a bottle bottom cooling device. Background Technology

[0002] The process of blowing PET bottles involves first heating the preform to a certain temperature using a heater to soften it, then placing it into a blow molding die where it is stretched and blown into shape using high-pressure air. After the preform is blown into a bottle, the bottom of the bottle is cooled and shaped inside the blow molding die. The effectiveness of the bottom cooling determines the quality of the bottle, and the processing time required for bottom cooling is a significant factor limiting the production capacity of the blow molding machine. Generally, the bottom of the bottle retains some residual heat after exiting the mold. Before filling carbonated beverages, the bottom needs to be sprayed with cold water to cool it down, ensuring better performance for filling.

[0003] Existing bottle bottom cooling devices typically use a single-direction spray of cooling medium, which is difficult to cover the entire bottom area of ​​the bottle, resulting in uneven local temperature, which can easily cause bottle bottom deformation or stress cracks. In addition, the recycling rate of coolant is low, and the coolant is directly discharged after use, resulting in resource waste. To address this, we propose a bottle bottom cooling device. Utility Model Content

[0004] To address the shortcomings of existing technologies, this invention provides a bottle bottom cooling device. Multiple atomizing nozzles arranged in a ring array evenly cover the bottle bottom with water mist. Simultaneously, the atomizing cooling component and the air-drying component work together, first rapidly cooling the bottle with water mist, then accelerating evaporation with high-speed airflow. This significantly shortens the cooling time and reduces residual moisture at the bottle bottom. The waste cooling liquid is filtered and recycled to a transparent water tank via a reflux component, achieving water resource recycling and solving the problems mentioned earlier.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a bottle bottom cooling device, comprising a rotary table, wherein a plurality of mounting plates are fixedly installed on the top of the rotary table, and the plurality of mounting plates are arranged in a circular array on the top of the rotary table; a lifting cylinder is fixedly installed on each of the plurality of mounting plates; a clamping cylinder is fixedly connected to the output shaft end of each of the plurality of lifting cylinders; a plastic bottle is clamped at the clamping end of each of the plurality of clamping cylinders; a cooling box is provided on the left side of the rotary table; a cooling barrel is fixedly installed on the top of the cooling box; and the plastic bottle located on the far left is positioned directly above the cooling barrel; a transparent water tank is provided on the bottom inner side of the cooling box; an atomizing cooling component and a reflux component are installed on the bottom inner side of the cooling barrel; and a drying component is installed on the top inner side of the cooling barrel.

[0006] Preferably, the atomizing cooling assembly includes a first annular water pipe and a second annular water pipe. Both the first and second annular water pipes are located on the bottom inside the cooling tank. Several connecting pipes are fixedly connected between the first and second annular water pipes. Several atomizing nozzles are installed on the top sides of both the first and second annular water pipes. The bottom side of the first annular water pipe is also fixedly connected to a connecting pipe. A high-pressure water pump is fixedly installed on the bottom inside the cooling tank. The input end of the high-pressure water pump is fixedly connected to a transparent water tank through a pipe. The output end of the high-pressure water pump is fixedly connected to an inlet pipe. The output end of the inlet pipe extends movably into the interior of the cooling tank, and a fixing sleeve is fixedly connected to the output end of the inlet pipe. The bottom end of the second connecting pipe is inserted into the fixing sleeve. A fixing mechanism is installed between the first annular water pipe and the cooling tank.

[0007] Preferably, the fixing mechanism includes a fixing plate one, which is fixedly connected to the inner wall of the cooling tank. A plurality of threaded rods are fixedly connected to the top side of the fixing plate one, and a plurality of fixing plates two are fixedly connected to the side of the annular water pipe one. Each of the fixing plates two has a through hole, and the threaded rods pass through the through holes. A threaded sleeve is threadedly fitted to the top of the threaded rod, and the bottom side of the threaded sleeve abuts against the top side of the fixing plate two.

[0008] Preferably, the reflux assembly includes a filter disc, a pull rod is fixedly connected to the top of the filter disc, a water collection hopper is provided on the bottom side of the cooling tank, the filter disc is located on the top side of the water collection hopper, a plurality of limiting rods are fixedly connected to the inner bottom side of the cooling tank, a plurality of limiting grooves are provided on the side of the filter disc, the limiting rods are slidably connected to the limiting grooves, a reflux pipe is fixedly connected to the bottom output end of the water collection hopper, and the bottom output end of the reflux pipe is fixedly connected to a transparent water tank.

[0009] Preferably, the air-drying assembly includes a fan, which is fixedly installed inside the bottom side of the cooling box. The output end of the fan is fixedly connected to an air inlet pipe. The inner wall of the top side of the cooling box has several installation ports, and gas nozzles are installed inside each of the several installation ports. An annular air duct is provided on the outer surface of the top side of the cooling box. The input ends of the several gas nozzles are fixedly connected to the annular air duct, and the input end of the annular air duct is fixedly connected to the output end of the air inlet pipe.

[0010] Preferably, a water inlet is provided in the middle of the rear side of the cooling box, and the output end of the water inlet is fixedly connected to a water inlet pipe, and the bottom output end of the water inlet pipe is fixedly connected to a transparent water tank.

[0011] Preferably, a transparent observation port is provided at the bottom rear side of the cooling box, and a scale is also provided at the bottom rear side of the cooling box.

[0012] Preferably, a controller is installed on the right side of the cooling box, and a temperature sensor and a semiconductor refrigeration chip are installed on the front side of the interior of the transparent water tank.

[0013] Preferably, the bottom front side of the cooling box has several ventilation holes.

[0014] Preferably, brakeable casters are installed at the four corners of the bottom of the cooling box.

[0015] This invention provides a bottle bottom cooling device. Compared with the prior art, it has the following advantages:

[0016] 1. This bottle bottom cooling device uses multiple sets of atomizing nozzles arranged in a ring array to evenly cover the bottle bottom with water mist, avoiding the problem of local overcooling or undercooling caused by traditional unidirectional cooling. At the same time, the atomizing cooling component and the air drying component work together to first quickly cool down the bottle with water mist, and then use high-speed airflow to accelerate evaporation, which significantly shortens the cooling time and reduces the residual moisture at the bottom of the bottle. In addition, the combination of temperature sensor and semiconductor cooling chip can automatically adjust the cooling intensity, further improving the cooling uniformity and stability.

[0017] 2. This bottle bottom cooling device filters the cooling waste liquid through a reflux component and recovers it to a transparent water tank, realizing water resource recycling and reducing water consumption and waste liquid discharge. In addition, the transparent observation port and scale make it easy to monitor the liquid level of the transparent water tank in real time and to add water to the transparent water tank in a timely manner. Attached Figure Description

[0018] Figure 1 This is a front view structural diagram of the main body of this utility model;

[0019] Figure 2 This is a front view schematic diagram of the cooling box structure of this utility model;

[0020] Figure 3 This is a rear view schematic diagram of the cooling box structure of this utility model;

[0021] Figure 4 This is a schematic diagram of the cross-sectional structure of the cooling box of this utility model;

[0022] Figure 5 This is a schematic diagram of the cross-sectional structure of the cooling tank of this utility model;

[0023] Figure 6 This is a schematic diagram of the internal structure of the transparent water tank of this utility model;

[0024] Figure 7 This is a partial structural diagram of the atomizing cooling component of this utility model;

[0025] Figure 8 This utility model Figure 1Enlarged schematic diagram of the structure at point A in the middle.

[0026] In the diagram: 1. Turntable machine; 2. Mounting plate; 3. Lifting cylinder; 4. Plastic bottle; 5. Cooling box; 6. Cooling tank; 7. Controller; 8. Brake-operated casters; 9. Ventilation hole; 10. Water inlet; 11. Transparent observation port; 12. Scale; 13. High-pressure water pump; 14. Fan; 15. Water inlet pipe; 16. Air inlet pipe; 17. Water inlet pipe; 18. Return pipe; 19. Circular air duct; 20. Mounting port; 21. Gas nozzle; 22. 23. Fixed plate 1; 24. Threaded rod; 25. Threaded sleeve; 26. Fixed plate 2; 27. Insertion hole; 28. Water collection hopper; 29. ​​Filter disc; 30. Limiting rod; 31. Limiting groove; 32. Pull rod; 33. Transparent water tank; 34. Temperature sensor; 35. Semiconductor cooling chip; 36. Annular water pipe 1; 37. Annular water pipe 2; 38. Connecting pipe 1; 39. Atomizing nozzle; 40. Connecting pipe 2; 41. Fixed sleeve; 42. Clamping cylinder. Detailed Implementation

[0027] 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.

[0028] Please see Figure 1-8 This utility model provides a technical solution: a bottle bottom cooling device, including a turntable 1, a plurality of mounting plates 2 are fixedly installed on the top of the turntable 1, and the plurality of mounting plates 2 are arranged in a circular array on the top of the turntable 1. Lifting cylinders 3 are fixedly installed on each of the plurality of mounting plates 2, and clamping cylinders 41 are fixedly connected to the output shaft ends of the plurality of lifting cylinders 3. The clamping ends of the plurality of clamping cylinders 41 clamp plastic bottles 4. A cooling box 5 is arranged on the left side of the turntable 1, and a cooling barrel 6 is fixedly installed on the top of the cooling box 5. The plastic bottle 4 located on the far left is positioned directly above the cooling barrel 6. A transparent water tank 32 is arranged on the bottom side inside the cooling box 5. An atomizing cooling component and a reflux component are installed on the bottom side inside the cooling barrel 6. A drying component is installed on the top side inside the cooling barrel 6.

[0029] The bottle bottom cooling device uses a turntable machine 1 to drive several mounting plates 2 to rotate. The mounting plates 2 are arranged in a circular array to ensure that the plastic bottles 4 enter the cooling station in sequence. When the leftmost plastic bottle 4 moves to the top of the cooling tank 6, the lifting cylinder 3 drives the clamping cylinder 41 to descend. The clamping cylinder 41 fixes the plastic bottle 4 and aligns its bottom with the cooling tank 6. The atomizing cooling component inside the cooling tank 6 atomizes the coolant in the transparent water tank 32 and sprays it evenly onto the bottom surface of the bottle to achieve rapid cooling. The cooling waste liquid is recycled back to the transparent water tank 32 for reuse through the return component. Subsequently, the drying component is activated to accelerate the evaporation of residual moisture at the bottom of the bottle as the plastic rises, completing the cooling and drying process.

[0030] The atomizing cooling assembly includes a first annular water pipe 35 and a second annular water pipe 36. Both the first annular water pipe 35 and the second annular water pipe 36 are located on the bottom side inside the cooling tank 6. Several connecting pipes 37 are fixedly connected between the first annular water pipe 35 and the second annular water pipe 36. Several atomizing nozzles 38 are installed on the top side of both the first annular water pipe 35 and the second annular water pipe 36. The bottom side of the first annular water pipe 35 is also fixedly connected to the second connecting pipe 39. A high-pressure water pump 13 is fixedly installed on the bottom side inside the cooling tank 5. The input end of the high-pressure water pump 13 is fixedly connected to the transparent water tank 32 through a pipe. The output end of the high-pressure water pump 13 is fixedly connected to the inlet pipe 15. The output end of the inlet pipe 15 extends movably into the interior of the cooling tank 6. A fixing sleeve 40 is fixedly connected to the output end of the inlet pipe 15. The bottom end of the second connecting pipe 39 is inserted into the fixing sleeve 40. A fixing mechanism is installed between the first annular water pipe 35 and the cooling tank 6.

[0031] The fixing mechanism includes a fixing plate 22, which is fixedly connected to the inner wall of the cooling tank 6. Several threaded rods 23 are fixedly connected to the top side of the fixing plate 22. Several fixing plates 25 are fixedly connected to the side of the annular water pipe 35. Each fixing plate 25 has a through hole 26. The threaded rods 23 pass through the through hole 26. The top of the threaded rod 23 is threadedly sleeved with a threaded sleeve 24. The bottom side of the threaded sleeve 24 abuts against the top side of the fixing plate 25.

[0032] When the atomizing cooling component is working, the high-pressure water pump 13 delivers the coolant in the transparent water tank 32 to the fixed sleeve 40 through the inlet pipe 15. The coolant enters the annular water pipe 35 through the connecting pipe 2 39. The annular water pipe 35 and the annular water pipe 2 36 are connected by several connecting pipes 37 to form a circulating water path. The coolant is evenly distributed in the two annular water pipes and sprayed onto the bottom surface of the plastic bottle 4 through several atomizing nozzles 38 installed on the top, achieving rapid cooling. The fixing mechanism is fixed to the inner wall of the cooling tank 6 by the fixing plate 1 22. The threaded rod 23 passes through the insertion hole 26 of the fixing plate 2 25 and abuts against the top side of the fixing plate 2 25 through the threaded sleeve 24, ensuring the stable installation of the annular water pipe 1 35 in the cooling tank 6, preventing displacement during operation, and ensuring the stability of coolant delivery and the uniformity of spray.

[0033] The reflux assembly includes a filter disc 28, with a pull rod 31 fixedly connected to the top of the filter disc 28. A water collection hopper 27 is provided on the bottom side of the cooling tank 6, and the filter disc 28 is located on the top side of the water collection hopper 27. Several limiting rods 29 are fixedly connected to the bottom inside the cooling tank 6, and several limiting grooves 30 are provided on the side of the filter disc 28. The limiting rods 29 are slidably connected to the limiting grooves 30. A reflux pipe 18 is fixedly connected to the bottom output end of the water collection hopper 27, and the bottom output end of the reflux pipe 18 is fixedly connected to the transparent water tank 32.

[0034] When the reflux assembly is working, the cooling waste liquid is filtered through the filter plate 28. The pull rod 31 connected to the top of the filter plate 28 makes it easy to remove and clean manually. After the waste liquid is collected by the water collection hopper 27 on the bottom side of the cooling tank 6, the liquid is transported to the transparent water tank 32 through the reflux pipe 18. The limiting rod 29 on the inner wall of the cooling tank 6 is slidably connected to the limiting groove 30 on the side of the filter plate 28 to ensure the stable installation of the filter plate 28 on the top side of the water collection hopper 27 and prevent displacement during operation. The filtered coolant is circulated to the transparent water tank 32 through the reflux pipe 18 to realize the reuse of water resources.

[0035] The air-drying assembly includes a fan 14, which is fixedly installed on the bottom side of the inside of the cooling box 5. The output end of the fan 14 is fixedly connected to an air inlet pipe 16. Several mounting ports 20 are opened on the inner wall of the top side of the cooling barrel 6. Gas nozzles 21 are installed inside each of the mounting ports 20. An annular air duct 19 is provided on the outer surface of the top side of the cooling barrel 6. The input ends of the several gas nozzles 21 are fixedly connected to the annular air duct 19. The input end of the annular air duct 19 is fixedly connected to the output end of the air inlet pipe 16.

[0036] When the air drying assembly is working, the fan 14 draws air from the front of the cooling box 5 and delivers it through the air inlet pipe 16 to the annular air duct 19 on the top side of the cooling barrel 6. The annular air duct 19 sprays high-speed air evenly onto the bottom surface of the plastic bottle 4 through several gas nozzles 21, accelerating the evaporation of residual moisture after atomization and cooling. The gas nozzles 21 are installed in the mounting port 20 on the inner wall of the top side of the cooling barrel 6.

[0037] A water inlet 10 is provided in the middle of the rear side of the cooling tank 5. The output end of the water inlet 10 is fixedly connected to a water inlet pipe 17. The bottom output end of the water inlet pipe 17 is fixedly connected to the transparent water tank 32. The water inlet 10 in the middle of the rear side of the cooling tank 5 is connected to the transparent water tank 32 through the water inlet pipe 17, which facilitates the replenishment of coolant.

[0038] A transparent observation port 11 is provided at the bottom rear side of the cooling tank 5, and a scale 12 is also provided at the bottom rear side of the cooling tank 5. The transparent observation port 11 and the scale 12 are provided at the bottom rear side of the cooling tank 5 to monitor the liquid level of the transparent water tank 32 in real time.

[0039] A controller 7 is installed on the right side of the cooling tank 5. A temperature sensor 33 and a semiconductor cooling chip 34 are installed on the front side of the inside of the transparent water tank 32. The controller 7 is installed on the right side of the cooling tank 5. The temperature sensor 33 collects the temperature of the coolant in the transparent water tank 32 and controls the semiconductor cooling chip 34 to adjust the water temperature to ensure stable cooling effect.

[0040] Several ventilation holes 9 are provided through the bottom front side of the cooling box 5 for heat dissipation.

[0041] The cooling box 5 is equipped with braked casters 8 at the four corners of its bottom for easy movement and fixation of the equipment.

[0042] Working principle: The bottle bottom cooling device rotates several mounting plates 2 via a turntable machine 1. The mounting plates 2 are arranged in a circular array to ensure that the plastic bottles 4 enter the cooling station in sequence. When the leftmost plastic bottle 4 moves directly above the cooling tank 6, the lifting cylinder 3 drives the clamping cylinder 41 to descend. The clamping cylinder 41 fixes the plastic bottle 4 and aligns its bottom with the cooling tank 6. Then, the high-pressure water pump 13 delivers the coolant from the transparent water tank 32 to the fixing sleeve 40 through the inlet pipe 15. The coolant enters the annular water pipe 35 through the connecting pipe 2 39. The annular water pipe 35 connects with the ring... The two annular water pipes 36 are connected by several connecting pipes 37 to form a circulating water circuit. The coolant is evenly distributed in the two annular water pipes and sprayed onto the bottom surface of the plastic bottle 4 through several atomizing nozzles 38 installed at the top, so as to achieve rapid cooling. The fixing plate 22 is fixed to the inner wall of the cooling tank 6. The threaded rod 23 passes through the insertion hole 26 of the fixing plate 25 and abuts against the top side of the fixing plate 25 through the threaded sleeve 24, so as to ensure the stable installation of the annular water pipe 35 in the cooling tank 6, prevent displacement during operation, and ensure the stability of coolant delivery and spray uniformity.

[0043] After atomization cooling, the waste cooling liquid is filtered through the filter plate 28. The pull rod 31 connected to the top of the filter plate 28 makes it easy to remove and clean manually. The waste liquid is collected by the water collection hopper 27 on the bottom side of the cooling tank 6 and then transported to the transparent water tank 32 through the return pipe 18. The limiting rod 29 on the inner wall of the cooling tank 6 is slidably connected to the limiting groove 30 on the side of the filter plate 28 to ensure the stable installation of the filter plate 28 on the top side of the water collection hopper 27 and prevent displacement during operation. The filtered coolant is circulated to the transparent water tank 32 through the return pipe 18 to realize the reuse of water resources.

[0044] Subsequently, the airflow is drawn in from the front of the cooling box 5 by the fan 14 and delivered to the annular air duct 19 on the top side of the cooling barrel 6 through the air inlet pipe 16. The annular air duct 19 sprays high-speed airflow evenly onto the bottom surface of the plastic bottle 4 through several gas nozzles 21, accelerating the evaporation of residual moisture after atomization cooling. The gas nozzles 21 are installed in the mounting port 20 on the inner wall of the top side of the cooling barrel 6 to complete the cooling and drying process.

[0045] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0046] Although embodiments of the present invention 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 to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A bottle bottom cooling device, comprising a rotary table (1), characterized in that: The top of the turntable (1) is fixedly equipped with several mounting plates (2), and the mounting plates (2) are arranged in a ring array on the top of the turntable (1). Each of the mounting plates (2) is fixedly equipped with a lifting cylinder (3), and the output shaft end of each of the lifting cylinders (3) is fixedly connected with a clamping cylinder (41). The clamping end of each of the clamping cylinders (41) clamps a plastic bottle (4). A cooling box (5) is provided on the left side of the turntable (1). A cooling barrel (6) is fixedly installed on the top of the cooling box (5), and the plastic bottle (4) located on the far left is positioned directly above the cooling barrel (6). A transparent water tank (32) is provided on the bottom inside of the cooling box (5). An atomizing cooling component and a reflux component are installed on the bottom inside of the cooling barrel (6). A drying component is installed on the top inside of the cooling barrel (6).

2. The bottle bottom cooling device according to claim 1, characterized in that: The atomizing cooling assembly includes a first annular water pipe (35) and a second annular water pipe (36). Both the first annular water pipe (35) and the second annular water pipe (36) are located on the bottom side inside the cooling tank (6). Several connecting pipes (37) are fixedly connected between the first annular water pipe (35) and the second annular water pipe (36). Several atomizing nozzles (38) are installed on the top side of both the first annular water pipe (35) and the second annular water pipe (36). A connecting pipe (39) is also fixedly connected to the bottom side of the first annular water pipe (35). The cooling tank (5) is located inside the cooling tank (6). A high-pressure water pump (13) is fixedly installed on the bottom side of the unit. The input end of the high-pressure water pump (13) is fixedly connected to the transparent water tank (32) through a pipe. The output end of the high-pressure water pump (13) is fixedly connected to the inlet pipe (15). The output end of the inlet pipe (15) extends movably into the interior of the cooling barrel (6). The output end of the inlet pipe (15) is fixedly connected to the fixing sleeve (40). The bottom end of the connecting pipe (2) (39) is inserted into the fixing sleeve (40). A fixing mechanism is installed between the annular water pipe (1) (35) and the cooling barrel (6).

3. The bottle bottom cooling device according to claim 2, characterized in that: The fixing mechanism includes a fixing plate 1 (22), which is fixedly connected to the inner wall of the cooling tank (6). Several threaded rods (23) are fixedly connected to the top side of the fixing plate 1 (22). Several fixing plates 2 (25) are fixedly connected to the side of the annular water pipe 1 (35). Each of the fixing plates 2 (25) has a through hole (26). The threaded rods (23) pass through the through holes (26). The top of the threaded rods (23) is threaded with a threaded sleeve (24). The bottom side of the threaded sleeve (24) abuts against the top side of the fixing plate 2 (25).

4. The bottle bottom cooling device according to claim 1, characterized in that: The reflux assembly includes a filter disc (28), a pull rod (31) is fixedly connected to the top of the filter disc (28), a water collection hopper (27) is provided on the bottom side of the cooling tank (6), the filter disc (28) is located on the top side of the water collection hopper (27), a number of limiting rods (29) are fixedly connected to the bottom inside the cooling tank (6), a number of limiting grooves (30) are provided on the side of the filter disc (28), the limiting rods (29) are slidably connected to the limiting grooves (30), the bottom output end of the water collection hopper (27) is fixedly connected to a reflux pipe (18), and the bottom output end of the reflux pipe (18) is fixedly connected to a transparent water tank (32).

5. The bottle bottom cooling device according to claim 1, characterized in that: The air-drying assembly includes a fan (14), which is fixedly installed on the bottom side of the inside of the cooling box (5). The output end of the fan (14) is fixedly connected to the air inlet pipe (16). The inner wall of the top side of the cooling barrel (6) is provided with several installation ports (20). Gas nozzles (21) are installed inside the several installation ports (20). The outer surface of the top side of the cooling barrel (6) is provided with an annular air duct (19). The input ends of the several gas nozzles (21) are fixedly connected to the annular air duct (19). The input end of the annular air duct (19) is fixedly connected to the output end of the air inlet pipe (16).

6. The bottle bottom cooling device according to claim 1, characterized in that: A water inlet (10) is provided in the middle of the rear side of the cooling box (5). The output end of the water inlet (10) is fixedly connected to a water inlet pipe (17). The bottom output end of the water inlet pipe (17) is fixedly connected to a transparent water tank (32).

7. The bottle bottom cooling device according to claim 1, characterized in that: A transparent observation port (11) is provided at the bottom rear side of the cooling box (5), and a scale (12) is also provided at the bottom rear side of the cooling box (5).

8. A bottle bottom cooling device according to claim 1, characterized in that: A controller (7) is installed on the right side of the cooling box (5), and a temperature sensor (33) and a semiconductor cooling chip (34) are installed on the front side of the inside of the transparent water tank (32).

9. A bottle bottom cooling device according to claim 1, characterized in that: The bottom front side of the cooling box (5) has several ventilation holes (9).

10. A bottle bottom cooling device according to claim 1, characterized in that: Brake casters (8) are installed at the four corners of the bottom of the cooling box (5).

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