Cooling machine for ice cream

Abstract

The utility model provides a cooling machine for ice cream. The cooling machine comprises an inner cylinder, an outer cylinder, a top plate, a bottom plate and a cylinder wall scraping device, the inner cylinder is used for containing ice cream raw materials and sleeved with the outer cylinder, a cooling cavity filled with refrigerant media is formed between the inner cylinder and the outer cylinder, and the raw materials are rapidly and evenly cooled. The cylinder wall scraping device comprises an upper rotating block, a lower rotating block and a scraper on a spiral connecting rod, and is driven by a driving assembly to rotate, materials attached to the inner cylinder wall are effectively scraped, caking is prevented, and the heat transfer efficiency is improved. The discharge port is connected with a discharge pipe and is provided with a stop valve, so that discharge is convenient to control. The equipment is reasonable in structure and high in cooling efficiency, raw material waste can be prevented, and the product quality and the production automation degree are improved.

Description

Technical Field

[0001] This utility model relates to the technical field of ice cream production equipment, and in particular to a cooling machine for ice cream. Background Technology

[0002] Ice cream coolers are indispensable equipment in the ice cream production process, their main function being to rapidly and evenly cool ice cream ingredients. Traditional cooling methods include using ice-water baths or direct freezing, but these methods suffer from uneven cooling, low efficiency, and difficulty in control. As the ice cream market demands higher product quality and production efficiency, modern ice cream coolers employ more advanced designs, such as a double-layer cylinder structure (forming a cooling chamber between the inner and outer cylinders), utilizing a cooling medium for indirect cooling to achieve a more efficient and uniform cooling effect.

[0003] However, in practice, ice cream ingredients tend to adhere to the inner drum wall during the cooling process, leading to localized overcooling or even freezing. This not only affects cooling efficiency but may also cause a decline in the quality of the finished product. Therefore, effectively removing ice cream material from the drum wall has become one of the key points for improving the performance of ice cream coolers. Utility Model Content

[0004] In view of the shortcomings of the prior art described above, the purpose of this utility model is to provide a cooling machine for ice cream, which solves the problem that ice cream ingredients tend to stick to the inner wall of the cylinder during the cooling process.

[0005] To achieve the above and other related objectives, this utility model provides the following technical solution:

[0006] An ice cream cooler includes a cylinder body, comprising an inner cylinder for containing ice cream ingredients and an outer cylinder disposed around the outer periphery of the inner cylinder; a cooling chamber for placing a cooling medium is formed between the inner cylinder and the outer cylinder; a top plate is provided at the top of the inner cylinder and the outer cylinder, and a bottom plate is provided at the bottom of the inner cylinder and the outer cylinder; an inlet is provided on the top plate communicating with the inner cylinder, and an outlet is provided on the bottom plate for leading the ice cream from the inner cylinder to the outside; a cylinder wall scraping device is provided in the inner cylinder.

[0007] To achieve the above technical solution, ice cream ingredients enter the inner cylinder through the inlet on the top plate. An outer cylinder surrounds the inner cylinder, and a cooling medium is placed in the cooling chamber between the inner and outer cylinders. The cooling medium absorbs heat from the ice cream ingredients in the inner cylinder through heat exchange, thereby lowering the temperature of the ingredients and promoting gradual cooling. A scraping device installed in the inner cylinder then begins to operate. During the cooling process, some ingredients freeze and adhere to the inner cylinder wall. The scraping device scrapes off this adhered ingredient, allowing it to return to the inner cylinder to participate in the overall cooling and mixing process. This not only ensures uniform cooling of the ingredients within the inner cylinder and prevents over-cooling or freezing at the cylinder wall, but also improves ingredient utilization and prevents waste.

[0008] In one embodiment of the present invention, the cylinder wall scraping device includes an upper rotating block rotatably disposed on the top plate, a lower rotating block rotatably disposed on the bottom plate, a scraping assembly connected between the upper rotating block and the lower rotating block, and a driving assembly for driving the lower rotating block to rotate.

[0009] To achieve the above technical solution, during operation, the drive component drives the lower rotating block to rotate. The lower rotating block transmits power to the upper rotating block through the scraping component, causing both to rotate synchronously. The scraping component moves in a circular motion along with the rotation of the upper and lower rotating blocks on the inner cylinder wall, scraping off the frozen material adhering to the cylinder wall, keeping the cylinder wall clean and promoting uniform cooling of the material. The scraped material is then mixed back into the main material of the inner cylinder, where it undergoes uniform cooling through the continuous action of the refrigerant, and finally discharged from the outlet.

[0010] In one embodiment of the present invention, the scraping assembly includes a connecting rod spirally disposed between the upper rotating block and the lower rotating block, and a plurality of scrapers pinned to the connecting rod and attached to the inner wall of the inner cylinder.

[0011] To achieve the above technical solution, the connecting rod is spirally positioned between the upper and lower rotating blocks. As the rotating blocks rotate, the connecting rod also performs a circular motion. The scraper mounted on the connecting rod, due to the movement of the connecting rod, adheres to the inner wall of the inner cylinder and performs a circular scraping motion. The scraper can scrape off the attached raw materials, preventing the raw materials from over-cooling or forming a thick ice layer on the inner cylinder wall.

[0012] In one embodiment of the present invention, the drive assembly includes a drive motor, a drive pulley disposed on the output shaft of the drive motor, a rotating shaft connected to the lower rotating block, a driven pulley disposed at the other end of the rotating shaft, and a belt sleeved between the drive pulley and the driven pulley.

[0013] To achieve the above technical solution, after the drive motor starts, the output shaft drives the active pulley to rotate. The active pulley transmits power to the driven pulley through the belt. The driven pulley drives the rotating shaft connected to it to rotate, which in turn drives the lower rotating block to rotate, ultimately causing the scraper assembly to make a circular motion on the inner cylinder wall.

[0014] In one embodiment of the present invention, a protective sleeve is provided on the outside of the rotating shaft, and a plurality of supporting ribs are provided between the protective sleeve and the base plate.

[0015] To achieve the above technical solution, a protective sleeve is fitted over the rotating shaft to prevent external impurities, such as dust and ice cream ingredient splashes, from contacting the shaft, thus ensuring smooth rotation and reducing wear caused by friction from impurities. Support ribs are distributed between the protective sleeve and the base plate, providing stable support for the protective sleeve. During equipment operation, the high-speed rotation of the shaft generates vibrations; the support ribs effectively disperse these vibrations, thereby enhancing overall stability.

[0016] In one embodiment of the present invention, the scraping assembly is provided in two sets, and the two sets of scraping assemblies are arranged in a double spiral.

[0017] To achieve the above technical solution, the double-helix arrangement greatly expands the scraping range. Compared with a single scraping assembly, the two scraping assemblies are arranged in a double helix, which can cover the inner wall of the inner cylinder more quickly and comprehensively, reduce the scraping blind area, and ensure that the inner cylinder wall is always in a relatively clean state, thus providing a guarantee for efficient cooling.

[0018] In one embodiment of this utility model, a discharge pipe is connected to the discharge port, and a shut-off valve is provided on the discharge pipe.

[0019] To achieve the above technical solution, the discharge pipe is directly connected to the discharge port on the base plate, guiding the cooled and processed ice cream to flow smoothly out of the inner drum. A shut-off valve installed on the discharge pipe controls its opening and closing. By adjusting the shut-off valve, operators can precisely control the ice cream's discharge time and flow rate.

[0020] As described above, the ice cream cooler of this utility model has the following beneficial effects: the design of setting a cooling chamber between the inner and outer cylinders and filling it with a refrigerant can quickly absorb the heat of the ice cream ingredients in the inner cylinder and accelerate the cooling of the ingredients; the cylinder wall scraping device can completely scrape off the frozen material attached to the inner cylinder wall, avoiding the material from being over-cooled on the cylinder wall, and the two sets of scraping components are arranged in a double spiral to reduce the scraping blind area, promote the full mixing of the material in the inner cylinder, ensure that the material in each part is uniformly cooled by the refrigerant, and ensure that the finished ice cream has a consistent delicate texture and good taste. Attached Figure Description

[0021] Figure 1The diagram shown is a structural schematic of this utility model.

[0022] Figure 2 The diagram shown is an internal schematic of this utility model.

[0023] Figure 3 The diagram shows the internal structure of the cylinder.

[0024] Component designation explanation

[0025] 1. Inner cylinder; 2. Outer cylinder; 3. Cooling chamber; 4. Top plate; 5. Bottom plate; 6. Feed inlet; 7. Discharge outlet; 8. Upper rotating block; 9. Lower rotating block; 10. Connecting rod; 11. Scraper; 12. Drive motor; 13. Drive pulley; 14. Rotating shaft; 15. Driven pulley; 16. Belt; 17. Protective sleeve; 18. Support rib; 19. Discharge pipe; 20. Shut-off valve. Detailed Implementation

[0026] The following specific embodiments illustrate the implementation of this utility model. Those skilled in the art can easily understand other advantages and effects of this utility model from the content disclosed in this specification. It should be noted that, unless otherwise specified, the following embodiments and features can be combined with each other.

[0027] Please see Figures 1 to 3 This utility model provides a cooling machine for ice cream, including a cylinder body. The cylinder body includes: an inner cylinder 1 for containing ice cream ingredients; an outer cylinder 2 disposed on the outer periphery of the inner cylinder 1; a cooling chamber 3 for placing a cooling medium is formed between the inner cylinder 1 and the outer cylinder 2; a top plate 4 is provided at the top of the inner cylinder 1 and the outer cylinder 2, and a bottom plate 5 is provided at the bottom of the inner cylinder 1 and the outer cylinder 2; an inlet 6 communicating with the inner cylinder 1 is provided on the top plate 4, and an outlet 7 for leading the ice cream in the inner cylinder 1 to the outside is provided on the bottom plate 5; and a cylinder wall scraping device is provided in the inner cylinder 1.

[0028] Ice cream ingredients enter the inner cylinder 1 through the inlet 6 on the top plate 4. The outer cylinder 2 surrounds the inner cylinder 1, and a cooling medium is placed in the cooling chamber 3 between the inner cylinder 1 and the outer cylinder 2. The cooling medium absorbs heat from the ice cream ingredients in the inner cylinder 1 through heat exchange, thereby lowering the temperature of the ingredients and promoting their gradual cooling. The cylinder wall scraping device installed in the inner cylinder 1 starts working. During the cooling process of the ice cream ingredients, some ingredients freeze and adhere to the cylinder wall of the inner cylinder 1. The cylinder wall scraping device can scrape off these ingredients adhering to the cylinder wall, allowing them to return to the inner cylinder 1 to participate in the overall cooling and mixing process. This not only ensures the uniformity of cooling of the ingredients in the inner cylinder 1 and avoids over-cooling or freezing of the ingredients on the cylinder wall, but also improves the utilization rate of the ingredients and prevents waste.

[0029] The cylinder wall scraping device includes an upper rotating block 8 rotatably mounted on the top plate 4, a lower rotating block 9 rotatably mounted on the bottom plate 5, a scraping assembly connecting the upper rotating block 8 and the lower rotating block 9, and a driving assembly for driving the lower rotating block 9 to rotate.

[0030] During operation, the drive assembly rotates the lower rotating block 9, which transmits power to the upper rotating block 8 via the scraping assembly, causing them to rotate synchronously. The scraping assembly moves in a circular motion along with the rotation of the upper and lower rotating blocks 9, scraping off the frozen material adhering to the cylinder wall, keeping the cylinder wall clean and promoting uniform cooling of the material. The scraped material is then mixed back into the main material of the inner cylinder 1, where it undergoes uniform cooling through the continuous action of the refrigerant, and finally discharged from the outlet 7.

[0031] The scraping assembly includes a connecting rod 10 spirally arranged between the upper rotating block 8 and the lower rotating block 9, and a plurality of scrapers 11 pinned to the connecting rod 10 and attached to the inner wall of the inner cylinder 1. The connecting rod 10 is spirally arranged between the upper rotating block 8 and the lower rotating block 9, and the connecting rod 10 also moves in a circular motion as the rotating blocks rotate. The scrapers 11 mounted on the connecting rod 10 move in a circular motion against the inner wall of the inner cylinder 1 due to the movement of the connecting rod 10, and the scrapers 11 can scrape off the attached raw materials, preventing the raw materials from being over-cooled or forming a thick ice layer on the inner wall of the inner cylinder 1.

[0032] The drive assembly includes a drive motor 12, a drive pulley 13 mounted on the output shaft of the drive motor 12, a rotating shaft 14 connected to the lower rotating block 9, a driven pulley 15 mounted at the other end of the rotating shaft 14, and a belt 16 sleeved between the drive pulley 13 and the driven pulley 15.

[0033] After the drive motor 12 starts, the output shaft drives the drive pulley 13 to rotate. The drive pulley 13 transmits power to the driven pulley 15 through the belt 16. The driven pulley 15 drives the rotating shaft 14 connected to it to rotate, which in turn drives the lower rotating block 9 to rotate, ultimately causing the scraper assembly to make a circular motion on the inner cylinder 1 wall.

[0034] A protective sleeve 17 is fitted over the rotating shaft 14, and several support ribs 18 are provided between the protective sleeve 17 and the base plate 5. The protective sleeve 17, fitted over the rotating shaft 14, prevents external impurities, such as dust or ice cream ingredient splatter, from contacting the rotating shaft 14, thereby ensuring smooth rotation of the rotating shaft 14 and reducing wear caused by friction from impurities. The support ribs 18 are distributed between the protective sleeve 17 and the base plate 5, providing stable support for the protective sleeve 17. During equipment operation, the high-speed rotation of the rotating shaft 14 will generate some vibration; the support ribs 18 can effectively disperse these vibrations, thus ensuring overall stability.

[0035] The scraping assembly is provided in two sets, and the two sets of scraping assemblies are arranged in a double helix. The double helix arrangement greatly expands the scraping range. Compared with a single set of scraping assemblies, the two sets of scraping assemblies are distributed in a double helix, which can cover the inner wall of the inner cylinder 1 more quickly and comprehensively, reduce the scraping blind area, and ensure that the inner wall of the inner cylinder 1 is always in a relatively clean state, thus providing a guarantee for efficient cooling.

[0036] A discharge pipe 19 is connected to the discharge port 7, and a shut-off valve 20 is installed on the discharge pipe 19. The discharge pipe 19 is directly connected to the discharge port 7 on the base plate 5, and is used to guide the cooled and processed ice cream to flow smoothly out of the inner cylinder 1. The shut-off valve 20 installed on the discharge pipe 19 can control the opening and closing of the discharge pipe 19. By adjusting the shut-off valve 20, the operator can precisely control the discharge time and flow rate of the ice cream.

[0037] The above embodiments are merely illustrative of the principles and effects of this utility model and are not intended to limit this utility model. All equivalent modifications or alterations made by those skilled in the art without departing from the spirit and technical concept disclosed in this utility model should still be covered by the claims of this utility model.

Claims

1. A cooling machine for ice cream, comprising a drum, characterized in that, The cylindrical body includes: Inner cylinder (1), used to hold ice cream ingredients; The outer cylinder (2) is disposed on the outer periphery of the inner cylinder (1); A cooling chamber (3) for placing a cooling medium is formed between the inner cylinder (1) and the outer cylinder (2); The inner cylinder (1) and the outer cylinder (2) are provided with a top plate (4) at the top and a bottom plate (5) at the bottom; The top plate (4) is provided with a feed inlet (6) that connects to the inner cylinder (1), and the bottom plate (5) is provided with a discharge outlet (7) that leads the ice cream in the inner cylinder (1) to the outside. The inner cylinder (1) is equipped with a cylinder wall scraping device.

2. The ice cream cooler according to claim 1, characterized in that, The cylinder wall scraping device includes an upper rotating block (8) rotatably mounted on the top plate (4), a lower rotating block (9) rotatably mounted on the bottom plate (5), a scraping assembly connecting the upper rotating block (8) and the lower rotating block (9), and a driving assembly for driving the lower rotating block (9) to rotate.

3. The ice cream cooler according to claim 2, characterized in that: The scraping assembly includes a connecting rod (10) spirally arranged between the upper rotating block (8) and the lower rotating block (9), and a plurality of scrapers (11) pinned to the connecting rod (10) and attached to the inner wall of the inner cylinder (1).

4. The ice cream cooler according to claim 2, characterized in that: The drive assembly includes a drive motor (12), a drive pulley (13) disposed on the output shaft of the drive motor (12), a rotating shaft (14) connected to the lower rotating block (9), a driven pulley (15) disposed at the other end of the rotating shaft (14), and a belt (16) sleeved between the drive pulley (13) and the driven pulley (15).

5. A cooling machine for ice cream according to claim 4, characterized in that: The rotating shaft (14) is fitted with a protective sleeve (17), and a number of support ribs (18) are provided between the protective sleeve (17) and the base plate (5).

6. A cooling machine for ice cream according to claim 3, characterized in that: The scraping assembly is provided in two sets, and the two sets of scraping assemblies are arranged in a double spiral.

7. The ice cream cooler according to claim 1, characterized in that: The discharge port (7) is connected to a discharge pipe (19), and the discharge pipe (19) is equipped with a shut-off valve (20).

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