Ice maker with spiral scraping blade

Abstract

The utility model discloses an ice maker with a spiral scraper, which comprises a shell, an upper end cover, a lower end cover, a rotating shaft and the spiral scraper, two ends of the shell are respectively connected with the upper end cover and the lower end cover, and the rotating shaft and the spiral scraper are arranged in the shell; the shell comprises an outer cylinder body, a middle cylinder body and an inner cylinder body which are sequentially arranged in the radial direction, and an inner cavity of the inner cylinder body forms an ice making cavity; the scraper blade is characterized in that through holes are formed in the spiral scraper blade, a plurality of through holes are formed in the spiral blade surface of the spiral scraper blade within a screw pitch range of the spiral scraper blade, and the through holes are respectively communicated with the upper surface and the lower surface of the spiral scraper blade. According to the ice-making device, the temperature distribution uniformity of an ice-water mixture in the ice-making cavity can be improved, and the temperature difference is reduced, so that the ice-making efficiency can be improved, and the production efficiency of ice slurry / smoothie can be improved.

Description

Technical Field

[0001] The utility model relates to the technical field of ice making machines, in particular to an ice making machine with a spiral scraper. Background Art

[0002] Existing ice machines, for example, the prior art CN108645085A discloses a scraper assembly for an ice machine evaporator and an ice machine evaporator, and CN108332465A discloses a turbulent vortex type fluid ice machine. However, the spiral scraper of the existing ice machine still has the problem of poor control effect on the temperature uniformity of the ice-water mixture in the ice making chamber and large temperature difference, which needs to be further improved. Utility Model Content

[0003] The purpose of the utility model is to overcome the deficiencies in the prior art and provide an ice maker with a spiral scraper, which has one or more through holes on the spiral blade surface of the spiral scraper, and the through holes are respectively connected to the upper and lower surfaces of the spiral scraper, so that water in the ice-water mixture can leak from the through holes, thereby enhancing the turbulence in the ice-making chamber, and the temperature distribution of the ice-water mixture in the ice-making chamber is more uniform or the temperature distribution uniformity is improved, and the temperature difference is reduced, thereby improving the ice-making efficiency, thereby improving the production efficiency of fluid ice / ice smoothie. Through the design of the first through hole, the second through hole, and the protrusion, the protrusion is used to block ice particles and facilitate water to leak from the through hole, which can further improve the temperature distribution uniformity of the ice-water mixture in the ice-making chamber, reduce the temperature difference, thereby improving the ice-making efficiency, thereby improving the production efficiency of fluid ice / ice smoothie.

[0004] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0005] An ice maker with a spiral scraper comprises a shell (1), an upper end cover (2), a lower end cover (3), a rotating shaft (4), and a spiral scraper (5), wherein the two ends of the shell are respectively connected to the upper end cover and the lower end cover, the rotating shaft and the spiral scraper are installed in the shell, the spiral scraper is fixedly connected to the outer peripheral wall of the rotating shaft and spirally extends along the axial direction of the rotating shaft, and the two ends of the rotating shaft are respectively rotatably connected to the shell through bearings; the shell comprises an outer cylinder (11), a middle cylinder (12), and an inner cylinder (13) which are sequentially arranged in a radial direction, a heat insulation cavity is formed between the outer cylinder and the middle cylinder, a refrigeration cavity is formed between the middle cylinder and the inner cylinder, the inner cavity of the inner cylinder forms an ice making cavity, and a spiral guide plate (8) is arranged in the refrigeration cavity; the characteristic is that a through hole (51) is opened on the spiral scraper (5), and a plurality of through holes are opened on the spiral blade surface of the spiral scraper within a pitch range of the spiral scraper, and the through holes are respectively connected to the upper and lower surfaces of the spiral scraper.

[0006] Furthermore, within a pitch range of the spiral scraper (5), the plurality of through holes (51) include a plurality of first through holes (52) and a plurality of second through holes (53), the first through holes being arranged radially outward of the second through holes, and in an expanded view of the spiral scraper, the plurality of first through holes are distributed circumferentially, the plurality of second through holes are distributed circumferentially, and the aperture of the first through holes is greater than the aperture of the second through holes.

[0007] Furthermore, the aperture of the first through hole (52) is 1.1-2.2 times the aperture of the second through hole (53).

[0008] Furthermore, the number of the first through holes (52) is smaller than the number of the second through holes (53).

[0009] Furthermore, the number of the first through holes (52) is 0.2-0.9 times the number of the second through holes (53).

[0010] Furthermore, the inner peripheral wall of the first through hole (52) is provided with a protrusion (54), and a plurality of protrusions are distributed along the circumference, and the protrusions are used to block ice particles and facilitate water to leak from the through hole.

[0011] Furthermore, the inner peripheral wall of the second through hole (53) is also provided with a protrusion (54), and a plurality of protrusions are distributed along the circumference, and the protrusions are used to block ice particles and facilitate water to leak from the through hole.

[0012] Furthermore, the protrusion (54) is in the shape of a triangle.

[0013] The utility model discloses an ice-making machine with a spiral scraper, which has one or more through holes on the spiral blade surface of the spiral scraper, and the through holes are respectively connected to the upper and lower surfaces of the spiral scraper, so that water in the ice-water mixture can leak from the through holes, thereby enhancing the turbulence in the ice-making chamber, making the temperature distribution of the ice-water mixture in the ice-making chamber more uniform or improving the uniformity of the temperature distribution, reducing the temperature difference, thereby improving the ice-making efficiency, thereby improving the production efficiency of fluid ice / ice smoothie. Through the design of the first through hole, the second through hole, and the protrusion, the protrusion is used to block ice particles and facilitate water to leak from the through hole, which can further improve the uniformity of the temperature distribution of the ice-water mixture in the ice-making chamber, reduce the temperature difference, thereby improving the ice-making efficiency, thereby improving the production efficiency of fluid ice / ice smoothie. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the structure of an ice maker with a spiral scraper according to the utility model;

[0015] Figure 2 It is a partial structural schematic diagram of an ice maker with a spiral scraper according to the utility model;

[0016] Figure 3This is a schematic diagram of the unfolded structure of a spiral scraper according to an embodiment of the utility model;

[0017] Figure 4 This is a schematic diagram of the unfolded structure of a spiral scraper according to another embodiment of the utility model.

[0018] In the figure: shell 1, upper end cover 2, lower end cover 3, rotating shaft 4, spiral scraper 5, transmission 6, motor 7, spiral guide plate 8, spoiler 9, outer cylinder 11, middle cylinder 12, inner cylinder 13, water inlet pipe 14, ice outlet pipe 15, refrigerant inlet pipe 16, refrigerant outlet pipe 17; through hole 51, first through hole 52, second through hole 53, protrusion 54. DETAILED DESCRIPTION

[0019] In order to make the technical solution and advantages of the utility model clearer, the technical solution of the utility model will be further described in detail in detail with reference to the accompanying drawings. It can be understood that the specific embodiments described here are only partial embodiments of the utility model, which are only used to explain the utility model, not to limit the utility model. It should be noted that for the convenience of description, only the parts / structures related to the utility model are shown in the accompanying drawings, and other related parts can refer to the general design. In the absence of conflict, the embodiments of the utility model and the technical features in the embodiments can be combined with each other to obtain new embodiments.

[0020] Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention. In addition, unless otherwise defined, the technical terms or scientific terms used in the description of the present invention should be the common meanings understood by ordinary technicians in the field to which the present invention belongs.

[0021] The utility model is further described in detail below in conjunction with the accompanying drawings.

[0022] like Figure 1-4As shown, an ice maker with a spiral scraper of the utility model comprises a shell 1, an upper end cover 2, a lower end cover 3, a rotating shaft 4, and a spiral scraper 5. The upper end cover 2 and the lower end cover 3 are connected to the two ends of the shell 1 respectively. The rotating shaft 4 and the spiral scraper 5 are installed in the shell 1. The spiral scraper 5 is fixedly connected to the outer peripheral wall of the rotating shaft 4 and extends spirally along the axial direction of the rotating shaft 4. The two ends of the rotating shaft 4 are respectively rotatably connected to the shell 1 through bearings, and one end of the rotating shaft 4 is transmission-connected to the motor 7 through a transmission 6; the shell 1 comprises an outer cylinder 11, a middle cylinder 12, and an inner cylinder 13 which are sequentially arranged in a radial direction. A heat-insulating cavity is formed between the outer cylinder 11 and the middle cylinder 12. A refrigeration chamber is formed between the cylinder 12 and the inner cylinder 13, and the inner chamber of the inner cylinder 13 forms an ice-making chamber. A spiral guide plate 8 is arranged in the refrigeration chamber, and the spiral guide plate 8 extends spirally along the axial direction. A plurality of spoilers 9 are arranged in the refrigeration chamber, and the spoilers 9 are arranged on the outer peripheral wall of the inner cylinder 13 or the spiral blade surface of the spiral guide plate 8; a water inlet pipe 14 and a refrigerant inlet pipe 16 are connected to the lower end of the shell 1, the water inlet pipe 14 is connected to the ice-making chamber, and the refrigerant inlet pipe 16 is connected to the refrigeration chamber; an ice outlet pipe 15 and a refrigerant outlet pipe 17 are connected to the upper end of the shell 1, and the ice outlet pipe 15 is connected to the ice-making chamber, and the refrigerant outlet pipe 17 is connected to the refrigeration chamber.

[0023] like Figure 2 As shown, a through hole 51 is opened on the spiral scraper blade 5. Within a pitch range / pitch gap of the spiral scraper blade 5, a plurality of through holes 51 are opened on the spiral blade surface of the spiral scraper blade 5. The through holes 51 are connected to the upper and lower surfaces of the spiral scraper blade 5 respectively.

[0024] The utility model has one or more through holes 51 on the spiral blade surface of the spiral scraper 5, and the through holes 51 are connected to the upper and lower surfaces of the spiral scraper 5 respectively, so that water in the ice-water mixture can leak out from the through holes 51, thereby enhancing the turbulence in the ice-making chamber, making the temperature distribution of the ice-water mixture in the ice-making chamber more uniform or improving the uniformity of the temperature distribution, reducing the temperature difference, thereby improving the ice-making efficiency, and thus improving the production efficiency of liquid ice / smoothie.

[0025] like Figure 3 As shown, it is a schematic diagram of the unfolded spiral scraper. In one embodiment, within a pitch range / pitch gap of the spiral scraper 5, the multiple through holes 51 include a multiple first through holes 52 and a multiple second through holes 53. The first through holes 52 are arranged radially outward of the second through holes 53. In the unfolded diagram of the spiral scraper 5, the multiple first through holes 52 are distributed along the circumferential direction, the multiple second through holes 53 are distributed along the circumferential direction, and the aperture of the first through hole 52 is larger than the aperture of the second through hole 53.

[0026] The diameter of the first through hole 52 is 1.1-2 times, preferably 1.5-1.7 times, that of the second through hole 53 .

[0027] In one embodiment, the number of the first through holes 52 is less than the number of the second through holes 53 .

[0028] The number of the first through holes 52 is 0.3-0.9 times, preferably 0.5-0.7 times, the number of the second through holes 53 .

[0029] The utility model can further improve the temperature distribution uniformity of the ice-water mixture in the ice-making chamber and reduce the temperature difference through the design of the first through hole 52 and the second through hole 53, thereby improving the ice-making efficiency and thus improving the production efficiency of liquid ice / smoothie.

[0030] like Figure 4 As shown, in another embodiment, the inner peripheral wall of the first through hole 52 is provided with a protrusion 54, and a plurality of protrusions 54 are distributed along the circumference. The protrusions 54 are used to block ice particles and facilitate water to leak from the through hole.

[0031] The inner peripheral wall of the second through hole 53 is also provided with a protrusion 54 , and a plurality of protrusions 54 are distributed along the circumferential direction. The protrusions 54 are used to block ice particles and facilitate water to leak from the through hole.

[0032] The protrusion 54 is in a triangular shape, such as an isosceles triangle.

[0033] The utility model adopts the design of the protrusion 54, which is used to block ice particles and facilitate water to leak from the through hole, which can further improve the temperature distribution uniformity of the ice-water mixture in the ice-making chamber and reduce the temperature difference, thereby improving the ice-making efficiency and thus improving the production efficiency of liquid ice / smoothie.

[0034] The utility model is an ice-making machine with a spiral scraper, which has one or more through holes 51 on the spiral blade surface of the spiral scraper 5, and the through holes 51 are respectively connected to the upper and lower surfaces of the spiral scraper 5, so that water in the ice-water mixture can leak from the through holes 51, thereby enhancing the turbulence in the ice-making chamber, making the temperature distribution of the ice-water mixture in the ice-making chamber more uniform or improving the uniformity of the temperature distribution, reducing the temperature difference, thereby improving the ice-making efficiency, thereby improving the production efficiency of fluid ice / ice smoothie. Through the design of the first through hole 52, the second through hole 53, and the protrusion 54, the protrusion 54 is used to block ice particles and facilitate water to leak from the through hole, which can further improve the uniformity of the temperature distribution of the ice-water mixture in the ice-making chamber, reduce the temperature difference, thereby improving the ice-making efficiency, thereby improving the production efficiency of fluid ice / ice smoothie.

[0035] The above-mentioned implementation mode is an illustration of the present utility model, not a limitation of the present utility model. It can be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present utility model. The protection scope of the present utility model is limited by the attached claims and their equivalents.

Claims

1. An ice-making machine with a spiral scraper, comprising a shell (1), an upper end cover (2), a lower end cover (3), a rotating shaft (4), and a spiral scraper (5), wherein the upper end cover and the lower end cover are connected to the two ends of the shell respectively, the rotating shaft and the spiral scraper are installed in the shell, the spiral scraper is fixedly connected to the outer peripheral wall of the rotating shaft and spirally extends along the axial direction of the rotating shaft, and the two ends of the rotating shaft are rotatably connected to the shell through bearings respectively; the shell comprises an outer cylinder (11), a middle cylinder (12), and an inner cylinder (13) which are sequentially arranged in a radial direction, a heat-insulating cavity is formed between the outer cylinder and the middle cylinder, a refrigeration cavity is formed between the middle cylinder and the inner cylinder, the inner cavity of the inner cylinder forms an ice-making cavity, and a spiral guide plate (8) is arranged in the refrigeration cavity; the characteristics are: A through hole (51) is provided on the spiral scraper (5). Within a pitch range of the spiral scraper, a plurality of through holes are provided on the spiral blade surface of the spiral scraper. The through holes are respectively connected to the upper and lower surfaces of the spiral scraper.

2. An ice maker with a spiral scraper as claimed in claim 1, characterized in that: Within a pitch range of the spiral scraper (5), the plurality of through holes (51) include a plurality of first through holes (52) and a plurality of second through holes (53), the first through holes being arranged radially outside the second through holes, and in an expanded view of the spiral scraper, the plurality of first through holes are distributed circumferentially, the plurality of second through holes are distributed circumferentially, and the aperture of the first through holes is greater than the aperture of the second through holes.

3. An ice maker with a spiral scraper as claimed in claim 2, characterized in that: The diameter of the first through hole (52) is 1.1-2.2 times the diameter of the second through hole (53).

4. An ice maker with a spiral scraper as claimed in claim 3, characterized in that: The number of the first through holes (52) is smaller than the number of the second through holes (53).

5. An ice maker with a spiral scraper as claimed in claim 4, characterized in that: The number of the first through holes (52) is 0.2-0.9 times the number of the second through holes (53).

6. An ice maker with a spiral scraper as claimed in claim 5, characterized in that: The inner peripheral wall of the first through hole (52) is provided with a protrusion (54), and a plurality of protrusions are distributed along the circumference. The protrusions are used to block ice particles and facilitate water to leak from the through hole.

7. An ice maker with a spiral scraper as claimed in claim 6, characterized in that: The inner peripheral wall of the second through hole (53) is also provided with a protrusion (54), and a plurality of protrusions are distributed along the circumference. The protrusions are used to block ice particles and facilitate water to leak from the through hole.

8. An ice maker with a spiral scraper as claimed in claim 6 or 7, characterized in that: The protrusion (54) is in the shape of a triangle.

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