Ice extruding machine

Abstract

The invention belongs to the technical field of ice making devices, and particularly discloses an ice extruding machine which comprises a rack, a discharging barrel and a compressor are installed on one side of the rack, an evaporator is arranged at the bottom of the discharging barrel, a first discharging motor is installed at the bottom end of the evaporator, and an output shaft of the first discharging motor is connected with a first discharging shaft. A first spiral blade is mounted on the first discharging shaft; a spiral groove is formed in the side wall of the evaporator, a capillary tube connector is arranged at one end of the spiral groove, an air return tube connector is arranged at the other end of the spiral groove, and the tail ends of the capillary tube connector and the air return tube connector are connected with the compressor. The spiral groove is directly formed in the side wall of the evaporator, heat is absorbed through the side wall of the evaporator, and the heat transfer efficiency is high.

Description

Technical Field

[0001] The present invention relates to the technical field of ice making devices, in particular to an extruded ice machine. Background Art

[0002] The evaporator cylinder of an existing extruded ice machine consists of an inner cylinder, copper tubes, and thermal paste. The copper tubes are spirally wound around the inner cylinder, with the gaps between the tubes filled with fiber solder to secure them to the inner cylinder. As the refrigerant flows through the copper tubes, it evaporates and absorbs heat. The heat is then absorbed by the thermal paste and the inner cylinder walls, achieving a cooling effect. Heat is then transferred through the copper tubes and fiber solder before reaching the evaporator's inner cylinder, resulting in poor heat transfer efficiency. Summary of the Invention

[0003] In view of the above problems, the present invention proposes an extruded ice machine, which solves the defect that the existing evaporator transfers heat through the copper tube and the fiber solder before transferring it to the inner cylinder of the evaporator, resulting in poor heat transfer efficiency.

[0004] The technical solution adopted by the present invention is as follows: An extruded ice machine includes: a frame, a discharge barrel and a compressor are installed on one side of the frame, an evaporator is provided at the bottom of the discharge barrel, a first discharge motor is installed at the bottom of the evaporator, the output shaft of the first discharge motor is connected to the first discharge shaft, and the first discharge shaft is equipped with a first spiral blade; a spiral groove is opened inside the side wall of the evaporator, a capillary tube connection port is provided at one end of the spiral groove, and a return air pipe connection port is provided at the other end, the capillary tube connection port is connected to the compressor via a capillary tube, and the return air pipe connection port is connected to the compressor via a return air pipe.

[0005] The present invention directly opens the spiral groove inside the side wall of the evaporator, absorbs heat through the side wall of the evaporator, and has high heat transfer efficiency.

[0006] Optionally, the portion of the first discharging shaft extending into the discharging barrel is equipped with a plurality of L-shaped folded stirring tubes, with ends of some of the L-shaped folded stirring tubes pointing vertically upward and ends of other parts of the L-shaped folded stirring tubes pointing vertically downward.

[0007] Optionally, an extrusion assembly is installed on one side of the discharge barrel, and the extrusion assembly includes a discharge pipe connected to the discharge barrel. A second discharge motor is installed at the end of the discharge pipe. The output shaft of the second discharge motor is connected to the second discharge shaft through a gear assembly, and the second discharge shaft is equipped with a second spiral blade.

[0008] Optionally, a collecting groove is provided at the top of one end of the discharge pipe entering the discharge barrel.

[0009] Optionally, a discharge chute is provided at the bottom of one end of the discharge pipe entering the discharge barrel.

[0010] Optionally, a hollow movable float is provided in the spiral groove, an electromagnet assembly is provided on the outer side wall of the spiral groove facing the movable float, a fixing plate that is adsorbed with the electromagnet assembly is provided on the side of the movable float away from the electromagnet assembly, and a plurality of groups of perforations that pass through the internal cavity are provided inside the movable float.

[0011] Optionally, the movable float is made of elastic material.

[0012] Optionally, the cross-section of the movable float is elliptical.

[0013] Optionally, the fixing plate is made of a permanent magnet (neodymium iron boron (NdFeB)) or an iron material.

[0014] Optionally, a vertically arranged strip hole is provided on a side of the movable float away from the electromagnet assembly.

[0015] The beneficial effects of the present invention include at least: 1. The present invention directly opens a spiral groove inside the side wall of the evaporator, and absorbs heat through the side wall of the evaporator, so the heat transfer efficiency is high.

[0016] 2. In this invention, the movable float regulates the refrigerant flow rate. Furthermore, the electromagnet assembly, when periodically energized, generates magnetism that periodically attracts the ferrous fixed plate. The periodic contraction of the movable float drives bubbles and refrigerant located on the inner wall of the spiral groove to the outer wall of the spiral groove, accelerating heat exchange between the refrigerants inside and outside the spiral groove. The contraction of the movable float squeezes out gas adsorbed on the perforations and is carried away with the higher-velocity refrigerant on the outer side of the spiral groove. More gas enters the strip-shaped holes, accelerating gas diffusion.

[0017] 3. The perforations and strip-shaped holes provided on the movable float of the present invention also improve the deformation performance of the movable float.

[0018] 4. The present invention uses a permanent magnet, which has a greater adsorption force with the electromagnet assembly, and thus the permanent magnet can be made thinner, making the side wall of the movable float thinner and more elastic. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 is a three-dimensional structural diagram of an extruded ice machine according to embodiment 1 of the present invention; Figure 2 is a top view of the extruded ice machine according to embodiment 1 of the present invention; Figure 3 is a partial cross-sectional view of an extruded ice machine according to embodiment 1 of the present invention; Figure 4 This is a diagram showing the internal structure of an evaporator of an extruded ice machine according to a second embodiment of the present invention.

[0020] The reference numerals in the figures are: 1. Frame, 2. Discharge barrel, 3. Compressor, 4. Evaporator, 5. Return air pipe connection, 6. First discharge motor, 7. First discharge shaft, 8. First spiral blade, 9. Spiral groove, 10. Capillary connection, 11. Water inlet pipe, 12. L-shaped stirring folded tube, 13. Extrusion assembly, 14. Discharge pipe, 15. Second discharge motor, 16. Second discharge shaft, 17. Second spiral blade, 18. Collecting trough, 19. Discharge chute, 20. Gear assembly, 21. Electromagnet assembly, 22. Fixed plate, 23. Perforation, 24. Strip hole, 25. Return air pipe, 26. Condenser. DETAILED DESCRIPTION

[0021] The following examples are used to illustrate the present invention but are not intended to limit the scope of the present invention.

[0022] In the description of the present invention, unless otherwise specified, the meaning of "multiple" is two or more; the orientations or positional relationships indicated by the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail", etc. are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", "third", etc. are only used for descriptive purposes and cannot be understood as indicating or implying relative importance. In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "connected" and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection, a direct connection, or an indirect connection through an intermediate medium. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0023] Example 1 The technical solution adopted by the present invention is as follows: like Figure 1 、 Figure 2 and Figure 3 As shown, the present invention discloses an extruded ice machine, comprising a frame 1, on which is mounted a refrigeration system and a water storage and delivery system. The refrigeration system includes an evaporator, a condenser, a filter, a compressor, a capillary tube, and a return air pipe 25. A discharge barrel 2 and a compressor 3 are mounted on one side of the frame. An evaporator 4 is located at the bottom of the discharge barrel, and a water inlet pipe 11 is connected to the lower portion of the evaporator. The water storage and delivery system of this embodiment is used to deliver water to the evaporator.

[0024] A first discharge motor 6 is mounted at the bottom end of the evaporator. The output shaft of the first discharge motor is connected to a first discharge shaft 7, which is equipped with a first spiral blade 8. A spiral groove 9 is formed within the sidewall of the evaporator. A capillary tube connection port 10 is provided at one end of the spiral groove, and a return air pipe connection port 5 is provided at the other end. The capillary tube connection port is connected to the compressor via a capillary tube, and the return air pipe connection port is connected to the compressor via a return air pipe. Both the capillary tube and the return air pipe extend into the condenser 26. A filter is mounted on the capillary tube.

[0025] The portion of the first discharging shaft extending into the discharging barrel is equipped with a plurality of L-shaped folded stirring tubes 12, with ends of some of the L-shaped folded stirring tubes pointing vertically upward, and ends of the other portion of the L-shaped folded stirring tubes pointing vertically downward.

[0026] An extrusion assembly 13 is mounted on one side of the discharge barrel. The extrusion assembly includes a discharge pipe 14 connected to the discharge barrel. A second discharge motor 15 is mounted at the end of the discharge pipe. The output shaft of the second discharge motor is connected to a second discharge shaft 16 via a gear assembly 20. The second discharge shaft is equipped with a second spiral blade 17. A collection trough 18 is defined at the top of the discharge pipe where it enters the discharge barrel. A discharge trough 19 is defined at the bottom of the discharge pipe where it enters the discharge barrel.

[0027] In this embodiment, a drain port is provided at the bottom of the collecting tank.

[0028] In this embodiment, the gear assembly includes two sets of gears meshing with each other.

[0029] When this embodiment is implemented, the refrigerant flowing out of the compressor flows into the spiral groove of the evaporator through the capillary tube connection port, spirally flows into the return pipe connection port through the spiral groove, and finally flows back to the compressor.

[0030] Example 2 like Figure 4 As shown, the difference between this embodiment 2 and embodiment 1 is that a hollow movable float 20 is provided in the spiral groove and extends from front to back. An electromagnet assembly 21 is provided on the outer wall of the spiral groove facing the movable float. A fixing plate 22 is provided on the side of the movable float away from the electromagnet assembly, which is attracted to the electromagnet assembly. The movable float is provided with multiple groups of through-holes 23 extending through the internal cavity. The movable float is made of elastic material.

[0031] The elastic material of this embodiment is made of a low-temperature-resistant plastic material, such as ultra-high molecular weight polyethylene (UHMWPE) or a modified polytetrafluoroethylene (PTFE) material.

[0032] In another embodiment, the elastic material is a metal sheet.

[0033] In this embodiment, one side of the movable float is adhered to the outer wall of the spiral groove. When the electromagnet assembly is not energized, the other side of the movable float extends and approaches the inner wall of the spiral groove.

[0034] In this embodiment, the cross section of the movable float is elliptical. The fixing piece is made of iron material.

[0035] When energized, the electromagnet assembly generates magnetism to attract the ferrous fixed plate. A vertically arranged strip hole 24 is defined on the side of the movable float facing away from the electromagnet assembly. The refrigerant in the spiral groove of this embodiment absorbs heat and evaporates, initially generating bubbles near the inner wall of the spiral groove. Simultaneously, the refrigerant spirals outward within the spiral groove. Centrifugal force increases the flow rate near the outer side of the spiral groove, making it difficult for the bubbles generated by the refrigerant on the inner side to diffuse to the outer side, ultimately hindering the gas-liquid exchange between the inner and outer sides of the spiral groove.

[0036] During implementation of this embodiment, the movable float regulates the refrigerant flow rate. Furthermore, the electromagnet assembly, when periodically energized, generates magnetism that periodically attracts the ferrous fixed plate, causing the movable float to periodically contract. This drives bubbles and refrigerant located on the inner wall of the spiral groove to move to the outer wall of the spiral groove, accelerating heat exchange between the refrigerants inside and outside the spiral groove. The contraction of the movable float squeezes out gas adsorbed on the perforations and is carried away with the higher-velocity refrigerant on the outer side of the spiral groove. This allows more gas to enter the strip-shaped holes directly, accelerating gas diffusion.

[0037] Example 3 The difference between this embodiment 3 and embodiment 2 is that the fixing plate is made of a permanent magnet, specifically neodymium iron boron (NdFeB).

[0038] In this embodiment, the magnetism generated by the electromagnet assembly when it is energized is opposite to the magnetism of the permanent magnet facing the electromagnet assembly, so that the electromagnet assembly generates magnetic attraction to the permanent magnet when it is energized.

[0039] The above description is only a preferred embodiment of the present invention and does not limit the scope of patent protection of the present invention. Any equivalent structural transformation made by using the contents of the description and drawings of the present invention, directly or indirectly applied to other related technical fields, is also included in the scope of protection of the present invention.

Claims

1. An extruded ice machine, characterized in that: include: A frame, a discharge barrel and a compressor are installed on one side of the frame, an evaporator is provided at the bottom of the discharge barrel, a first discharge motor is installed at the bottom of the evaporator, the output shaft of the first discharge motor is connected to the first discharge shaft, and the first discharge shaft is provided with a first spiral blade; a spiral groove is opened inside the side wall of the evaporator, a capillary connection port is provided at one end of the spiral groove, and a return air pipe connection port is provided at the other end, the capillary tube connection port is connected to the compressor through a capillary tube, and the return air pipe connection port is connected to the compressor through a return air pipe.

2. The extruded ice machine according to claim 1, characterized in that: The portion of the first discharging shaft extending into the discharging barrel is equipped with a plurality of L-shaped folded stirring tubes, the ends of some of the L-shaped folded stirring tubes are vertically upward, and the ends of the other part of the L-shaped folded stirring tubes are vertically downward.

3. The extruded ice machine according to claim 1, wherein: An extrusion assembly is installed on one side of the discharge barrel, and the extrusion assembly includes a discharge pipe connected to the discharge barrel. A second discharge motor is installed at the end of the discharge pipe. The output shaft of the second discharge motor is connected to the second discharge shaft through a gear assembly, and the second discharge shaft is equipped with a second spiral blade.

4. The extruded ice machine according to claim 1, wherein: A collecting groove is provided on the top of one end of the discharge pipe entering the discharge barrel.

5. The extruded ice machine according to claim 4, characterized in that: A discharge trough is provided at the bottom of one end of the discharge pipe entering the discharge barrel.

6. An extruded ice machine according to claim 1, 2, 3, 4 or 5, characterized in that: A hollow movable float is provided in the spiral groove, and an electromagnet assembly is provided on the outer side wall of the spiral groove facing the movable float. A fixing plate that is attracted to the electromagnet assembly is provided on the side of the movable float away from the electromagnet assembly, and a plurality of groups of through-holes that pass through the internal cavity are provided inside the movable float.

7. The extruded ice machine according to claim 6, characterized in that: The movable float is made of elastic material.

8. The extruded ice machine according to claim 6, wherein: The cross section of the movable float is elliptical.

9. The extruded ice machine according to claim 6, wherein: The fixing piece is made of permanent magnet or iron material.

10. The extruded ice machine according to claim 6, characterized in that: A vertically arranged strip hole is provided on a side of the movable float away from the electromagnet assembly.

Images