WO2010001996A1 - Machine de fabrication de glace de type à tarière - Google Patents

Machine de fabrication de glace de type à tarière Download PDF

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Publication number
WO2010001996A1
WO2010001996A1 PCT/JP2009/062208 JP2009062208W WO2010001996A1 WO 2010001996 A1 WO2010001996 A1 WO 2010001996A1 JP 2009062208 W JP2009062208 W JP 2009062208W WO 2010001996 A1 WO2010001996 A1 WO 2010001996A1
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WO
WIPO (PCT)
Prior art keywords
auger
ice making
ice
refrigeration casing
peripheral surface
Prior art date
Application number
PCT/JP2009/062208
Other languages
English (en)
Japanese (ja)
Inventor
直志 近藤
明彦 平野
保起 水谷
泰光 渡辺
Original Assignee
ホシザキ電機株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by ホシザキ電機株式会社 filed Critical ホシザキ電機株式会社
Publication of WO2010001996A1 publication Critical patent/WO2010001996A1/fr

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25C—PRODUCING, WORKING OR HANDLING ICE
    • F25C1/00—Producing ice
    • F25C1/12—Producing ice by freezing water on cooled surfaces, e.g. to form slabs
    • F25C1/14—Producing ice by freezing water on cooled surfaces, e.g. to form slabs to form thin sheets which are removed by scraping or wedging, e.g. in the form of flakes
    • F25C1/145—Producing ice by freezing water on cooled surfaces, e.g. to form slabs to form thin sheets which are removed by scraping or wedging, e.g. in the form of flakes from the inner walls of cooled bodies
    • F25C1/147—Producing ice by freezing water on cooled surfaces, e.g. to form slabs to form thin sheets which are removed by scraping or wedging, e.g. in the form of flakes from the inner walls of cooled bodies by using augers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25C—PRODUCING, WORKING OR HANDLING ICE
    • F25C2500/00—Problems to be solved
    • F25C2500/02—Geometry problems
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D1/00—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators
    • F28D1/06—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with the heat-exchange conduits forming part of, or being attached to, the tank containing the body of fluid
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F19/00—Preventing the formation of deposits or corrosion, e.g. by using filters or scrapers
    • F28F19/008—Preventing the formation of deposits or corrosion, e.g. by using filters or scrapers by using scrapers

Definitions

  • the present invention relates to an auger type ice making machine provided with an ice making mechanism having a refrigeration casing provided with an ice making surface to be cooled and an auger provided with a peeling blade facing the ice making surface.
  • an auger type ice making machine capable of producing a large amount of ice such as chip ice or flake ice is known (for example, see Patent Document 1).
  • the ice making mechanism 10 of the auger type ice making machine is arranged on the base 11 side by side in the lateral direction of the driving means 12 such as a geared motor.
  • the ice making mechanism 10 includes a cylindrical refrigeration casing 14 coaxially disposed on an upper portion of a cylindrical housing 13 and an auger 16 accommodated inside the refrigeration casing 14.
  • the auger 16 has a lower shaft portion 16 a housed in the housing 13 and supported by a lower bearing 18 provided in the housing 13, and an upper shaft portion 16 b provided in the upper portion of the refrigeration casing 14.
  • the lower shaft portion 16a of the auger 16 is arranged so as to protrude to the side of the driving means 12 in the base 11, and is against a metal output shaft that is rotated by the driving means 12 via a transmission means such as a gear. Are connected via a metal coupling (both not shown) and are driven to rotate by the drive means 12.
  • the auger 16 includes a peeling blade 17 that is entirely made of a metal material such as stainless steel and is spirally provided on the outer peripheral surface of the cylindrical main body.
  • the cutting edge of the peeling blade 17 is the inner circumference of the refrigeration casing 14. It faces the ice making surface 14a constituted by a surface in a non-contact state.
  • the refrigeration casing 14 is made of a metal material such as stainless steel, and a cooling pipe 20 that constitutes an evaporator of a refrigeration circuit (not shown) is spirally wound around the outer peripheral surface, and heat exchange with a refrigerant flowing through the cooling pipe 20 is performed.
  • the refrigeration casing 14 is cooled.
  • a water supply pipe 22 communicating with the ice making water tank 21 is connected to the lower part of the freezing casing 14 so that the ice making water supplied from the ice making water tank 21 is filled inside the freezing casing 14.
  • the ice making mechanism 10 supplies ice making water in the ice making water tank 21 to the inside of the refrigeration casing 14 through the water supply pipe 22 and then cools the refrigeration casing 14 by the cooling pipe 20, so that the ice making surface 14 a has ice. Is generated.
  • the auger 16 is rotated by driving the driving means 12, the peeling blade 17 peels off the ice generated on the ice making surface 14 a of the refrigeration casing 14, and this ice is separated from the outer peripheral surface of the auger 16 and the ice making surface 14 a. It conveys upward with the peeling blade 17 through the clearance gap between.
  • the peeling blade 17 has a cutting edge that has a cutting edge facing the ice making surface 14a of the refrigeration casing 14 at the tip, and a cutting edge surface 17a extending at a required cutting edge angle ⁇ with respect to the ice making surface 14a. It is formed in a face plate shape.
  • the upper and lower plate surfaces 17b and 17b facing each other across the blade edge surface 17a linearly intersect the outer peripheral surface of the columnar body, and the columnar body and the base portion of each plate surface 17b are connected to each other. A corner is formed between the two.
  • the auger 16 is subjected to a thrust load in the axial direction of the auger 16 and a radial load in the radial direction of the auger 16 when the ice is peeled off and transported by the peeling blade 17. Since the auger 16 has a shape in which the peeling blade 17 and the cylindrical main body have corners, stress due to a thrust load or a radial load is concentrated on the root portion of the peeling blade 17, so that the peeling blade 17 is damaged. There was a fear. In addition, since the peeling blade 17 having a cross-sectional plate shape is configured such that the load is supported by the cylindrical body at the root portion, the load from the blade tip to the root portion is received with rigidity derived from the material of the peeling blade 17. Therefore, it is pointed out that the peeling blade 17 is deformed and the ice cannot be peeled stably.
  • the present invention has been proposed in order to suitably solve these problems inherent in the auger type ice making machine according to the prior art, and includes an auger provided with a peeling blade excellent in allowable stress.
  • An object is to provide an auger type ice making machine.
  • the auger type ice making machine of the present invention comprises: An ice making mechanism comprising: a cylindrical refrigeration casing having an ice making surface to be cooled provided on a peripheral surface; and an auger having an axis extending vertically to be rotatable with respect to the refrigeration casing.
  • an auger type ice making machine that supplies ice making water to generate ice on the ice making surface, peels off the ice with a peeling blade of an auger that is rotationally driven by a driving means, and conveys it
  • the auger is disposed with respect to the refrigeration casing such that an ice transport space is defined between the first peripheral surface facing the ice making surface of the refrigeration casing and the ice making surface, and the first peripheral surface
  • a cylindrical auger body provided with a spirally protruding peeling blade,
  • support surfaces that are vertically opposed to each other with a blade edge facing the ice making surface are separated from each other toward the first circumferential surface from the blade edge and are connected to the first circumferential surface in a curved manner.
  • Each said support surface is formed so that it may extend along the ice-making surface side or the said line from the line which passes along the said blade edge with the blade edge angle which the blade edge surface of the said peeling blade and the said ice-making surface make.
  • FIG. 1 is a longitudinal sectional view showing an ice making mechanism and a water supply mechanism of an auger type ice making machine according to a preferred embodiment of the present invention. It is a perspective view which shows the ice making mechanism of an Example. It is a perspective view which decomposes
  • FIG. 1 It is a perspective view which shows the 2nd modification of a power transmission part, Comprising: (a) shows the state which decomposed
  • FIG. 1 It is a perspective view which shows the 5th example of a power transmission part, Comprising: (a) shows the state which decomposed
  • the auger type ice making machine includes an ice making mechanism 30 that generates ice, and a water supply mechanism 80 that supplies ice making water supplied from a water supply means W connected to an external water source to the ice making mechanism 30. And a refrigeration mechanism (not shown) that constitutes a refrigeration circuit that cools the refrigeration casing 64 of the ice making mechanism 30.
  • the ice making mechanism 30 is disposed above an ice storage chamber (not shown) defined in the ice making machine body, and ice falling from the ice making mechanism 30 is stored in the ice storage chamber.
  • the ice making mechanism 30 is disposed on a base 32 fixed inside the ice making machine main body (see FIG. 1 or FIG. 2). As shown in FIG. 3, the ice making mechanism 30 includes a water supply part 34 that receives the ice making water supplied from the water supply mechanism 80, a bearing portion 44 that is placed and fixed on the water supply part 34, and an axis line on the bearing portion 44.
  • the auger 50 is arranged so as to be rotatable with respect to the refrigeration casing 64, the cylindrical refrigeration casing 64 is disposed outside the auger 50, and a guide member that covers the upper portion of the refrigeration casing 64. 74 and the main body portion are basically configured.
  • the auger 50 is rotatably accommodated in the accommodating space 65 defined in the cylindrical refrigeration casing 64, and the outer peripheral surface (first peripheral surface) 52a of the auger 50 is accommodated. Faces the ice making surface (inner peripheral surface of the freezing casing 64) 64a that defines the housing space 65 in the freezing casing 64 (see FIG. 5 or FIG. 6). Further, the ice making mechanism 30 includes driving means 76 such as a geared motor that rotationally drives the auger 50, and the auger 50 is rotated in the accommodation space 65 of the refrigeration casing 64 by the driving means 76.
  • driving means 76 such as a geared motor that rotationally drives the auger 50, and the auger 50 is rotated in the accommodation space 65 of the refrigeration casing 64 by the driving means 76.
  • the ice making water supplied from the water supply mechanism 80 freezes on the ice making surface 64 a of the refrigeration casing 64 cooled by the refrigeration mechanism, and the ice making surface is formed by the peeling blade 54 of the auger 50 rotated by the driving means 76. Configured to peel 64a ice.
  • the ice making mechanism 30 pushes up the transported space 57 between the ice making surface 64 a and the outer peripheral surface 52 a of the auger 50 upward by the peeling blade 54 while the auger 50 rotates, and the freezing casing 64, the guide member 74, In the ice collecting section S provided between the two, the guide member 74 guides the ice to the rotation center side and discharges the ice into the ice storage chamber through the ice discharge path 35a provided to open to the rotation center of the auger 50. (See FIG. 6).
  • the ice making mechanism 30 covers the outer peripheral surface of the refrigeration casing 64 with a heat insulating material (not shown) such as polyurethane foam, and suppresses heat in and out of the refrigeration casing 64.
  • the base 32 is formed in a trapezoidal shape with legs 32b and 32b hanging from both side edges of the installation part 32a where the ice making mechanism 30 is installed, and the legs 32b and 32b are fixed inside the ice making machine main body. It is arranged at the upper part of the ice storage room.
  • a passage port 32c penetrating vertically is provided in the central portion of the installation portion 32a in the base 32, and ice discharged from the ice discharge path 35a of the ice making mechanism 30 falls into the ice storage chamber via the passage port 32c. It is like that.
  • the base 32 of the embodiment is formed by bending a metal plate material.
  • the water supply part 34 is a molded product of synthetic resin and functions as an introduction part of ice making water from the water supply mechanism 80, and the auger 50 and the freezing casing 64 are placed via the bearing part 44 and the bearing part 44. It also functions as a basic part (see FIG. 1). As shown in FIG. 3, the water supply part 34 includes a hollow cylindrical main body 35 whose upper and lower end surfaces are open, and a flange portion 36 that extends outward in the radial direction of the cylindrical main body 35 at the lower end of the cylindrical main body 35. Provided.
  • the water supply part 34 is erected with the lower opening of the cylindrical main body 35 aligned with the passage port 32c of the base 32, and the flange portion 36 placed on the installation portion 32a of the base 32 is fixed to the installation portion 32a.
  • the water supply part 34 has an ice discharge path 35a for guiding the ice peeled off by the auger 50 and pushed up above the refrigeration casing 64 from the ice collecting section S to the ice storage chamber by a hollow portion penetrating up and down of the cylindrical main body 35. Is formed.
  • the flange portion 36 is formed with a dam portion 37 that is formed to rise over the entire outer periphery of the flange portion 36, and is formed to be spaced apart from the inside of the dam portion 37.
  • a positioning protrusion 38 is provided.
  • the weir portion 37 is formed higher than the positioning protrusion 38, and the bottom surface of the drain groove 36 a formed between the weir 37 and the positioning protrusion 38 has a bearing portion 44 provided in the inner region of the positioning protrusion 38. It is lower than the placement surface 36b to be placed.
  • the positioning protrusion 38 is aligned with the outer peripheral surface of the refrigeration casing 64 placed on the bearing portion 44 placed on the placement surface 36b of the flange portion 36, and restricts the movement of the refrigeration casing 64 in the radial direction. It is configured as follows. Further, a sealing groove 36 c that accommodates a sealing material 39 such as an O-ring or a square ring is recessed on the mounting surface 36 b of the flange portion 36 so as to surround the cylindrical main body 35.
  • a water supply recess 36d that is recessed below the placement surface 36b is formed inside the seal groove 36c in contact with the entire lower end of the cylindrical body 35.
  • tube 83 connected to the ice making water tank 81 of the water supply mechanism 80 is connected is provided in the bottom part of the flange part 36, and the water supply opening 40a of this water supply part 40 opens to the water supply recessed part 36d.
  • a drainage portion 41 communicating with a drainage groove 36 a between the weir portion 37 and the positioning protrusion 38 is formed on the dam portion 37 of the flange portion 36 so as to protrude outward.
  • a drain pipe (not shown) is connected.
  • the water supply part 40 and the drainage part 41 are arranged in a symmetrical positional relationship with the cylindrical main body 35 interposed therebetween (see FIG. 1).
  • the installation part 32a of the base 32 is provided with notches 32d and 32d corresponding to the water supply part 40 and the drainage part 41 of the water supply part 34, and the connection of the water supply pipe 83 to the water supply part 40 and the drainage pipe to the drainage part 41. Is easy to connect.
  • the bearing portion 44 is a rigid member that rotatably supports the auger 50, and is formed of a metal material such as stainless steel in the embodiment. As shown in FIG. 5, the bearing portion 44 is provided at a hollow cylindrical shaft portion 45 whose upper and lower end faces are open, and a lower end of the shaft portion 45, and is lowered as it goes from the radially inner side to the outer side of the shaft portion 45.
  • the taper part 46 which inclines, and the mounting part 47 extended and formed in the radial direction outer side at the inclination lower end of this taper part 46 are provided.
  • a plurality of water supply holes 48 penetrating in the inner and outer directions of the shaft portion 45 are provided in the lower portion of the shaft portion 45 so as to be spaced apart in the circumferential direction of the shaft portion 45 (in the embodiment, four locations at intervals of 90 °). ing.
  • the bearing portion 44 covers the shaft portion 45 so as to cover the outer peripheral surface of the cylindrical main body 35 of the water supply part 34, and the mounting portion 47 mounted on the mounting surface 36 b of the flange portion 36 is attached to the flange portion 36. By fixing to the water supply part 34, it is attached coaxially.
  • the bearing portion 44 when the bearing portion 44 is attached to the water supply part 34, the water supply hole 48 and the water supply recess are provided between the outer peripheral surface of the cylindrical body 35 in the water supply part 34 and the inner peripheral surface of the shaft portion 45 in the bearing portion 44.
  • a return space 42 communicating with 36d is defined (see FIG. 6).
  • the ice making water introduced from the water supply part 40 of the water supply part 34 is comprised so that it may distribute
  • the space between the mounting portion 47 of the bearing portion 44 and the mounting surface 36b of the flange portion 36 is sealed with a sealing material 39 accommodated in the seal groove 36c.
  • the bearing portion 44 is configured such that, when attached to the water supply part 34, the upper end of the shaft portion 45 is substantially the same height as the upper end of the cylindrical body 35 in the water supply part 34.
  • the auger 50 has a peeling blade 54 on an outer peripheral surface (first peripheral surface) 52 a facing the ice making surface 64 a of the refrigeration casing 64, and is rotatably held by the bearing portion 44.
  • the auger body 52 is provided, and a power transmission unit 58 provided on the upper portion of the auger body 52 and serving as a connection portion with the driving means 76.
  • an auger main body 52 and a power transmission portion 58 excluding a blade edge portion 56 described later of the peeling blade 54 are integrally formed from a synthetic resin.
  • the auger main body 52 has a shape based on a hollow cylindrical shape that opens up and down, and has an axial space 52c that penetrates in the axial direction of the cylindrical shape on the inside, and an outer peripheral surface.
  • a peeling blade 54 is spirally provided on 52a.
  • the shaft space 52 c of the auger body 52 is set to a size that matches the outer diameter of the shaft portion 45 of the bearing portion 44, and the auger 50 is coaxial with the bearing portion 44 by fitting the shaft space 52 c to the shaft portion 45. Attached.
  • a mounting piece 52d extending radially outward is provided on the outer periphery of the lower end of the auger main body 52 over the entire periphery.
  • the mounting piece 52d is mounted on the bearing portion. 44 is placed on the placement portion 47. Furthermore, an inclined portion 52e formed obliquely so as to incline downward from the inner side in the radial direction to the outer side is provided on the inner periphery of the lower end of the auger body 52 (lower opening edge of the axial space 52c). When attached to the portion 44, the inclined portion 52 e overlaps the upper side of the tapered portion 46 of the bearing portion 44.
  • the auger 50 is configured to be mounted on the mounting portion 47 of the bearing portion 44, and the rotating shaft or the like does not protrude downward through the water supply part 34.
  • a flange-like piece 52f extending radially inward is provided on the inner periphery of the upper end of the auger body 52 over the entire circumference, and when the auger 50 is attached to the bearing portion 44, the shaft of the bearing portion 44 is provided.
  • the upper portion of the portion 45 is covered with a hook-shaped piece 52f.
  • the upper opening edge of the shaft space 52 c defined by the inner peripheral edge of the bowl-shaped piece 52 f is directly above the return space 42 provided between the shaft portion 45 of the bearing portion 44 and the cylindrical body 35 of the water supply part 34. (Refer to FIG. 6). Thereby, melted ice water or the like dripping from the inner peripheral edge of the bowl-shaped piece 52f is received in the return space 42, and dripping into the ice storage chamber can be prevented.
  • the ice making mechanism 30 has a sliding bearing structure in which the auger 50 slides with respect to the bearing portion 44. That is, the auger 50 is subjected to a radial load applied radially inward from the peeling blade 54 that peels ice formed on the ice making surface of the refrigeration casing 64 to the auger body 52 during the ice making operation of the ice making mechanism 30.
  • the auger body 52 is supported by the shaft portion 45 of the bearing portion 44 that is in sliding contact with the inner peripheral surface (second peripheral surface) 52b that defines the shaft space 52c.
  • the shaft portion 45 of the bearing portion 44 is configured to extend over the inner peripheral surface 52b of the auger main body 52, and is loaded from the peeling blade 54 on the outer peripheral surface 52a side of the auger main body 52. However, it is appropriately received by the shaft portion 45 that extends on the inner peripheral surface 52b side across the auger body 52 so as to intersect the radial load input direction. That is, during the ice making operation, the ice on the ice making surface 64a can be suitably peeled off by the peeling blade 54 without the auger body 52 being deformed. Further, by adopting a configuration in which the radial load applied to the auger main body 52 is supported by the shaft portion 45, the rigidity required for the auger main body 52 itself can be reduced.
  • the auger body 52 and the bearing portion 44 are in sliding contact with each other and the mutual contact area can be increased, the surface pressure can be reduced and the mutual wear can be suppressed. Therefore, even if the auger main body 52 is formed of a synthetic resin, it can be fully used. Further, the auger 50 is peeled off via a conveyance space 57 defined between the outer peripheral surface 52a of the auger body 52 and the ice making surface 64a of the refrigeration casing 64 during the ice making operation of the ice making mechanism 30 and the auger 50 itself. A thrust load applied in the axial direction when the ice is pushed upward by the blade 54 is supported by the mounting portion 47 on which the mounting piece 52d is mounted.
  • the auger 50 is configured such that the inclined portion 52e of the auger body 52 is supported by the tapered portion 46 that inclines toward the bottom from the top, so that the radial movement and the downward movement of the inclined portion 52e are as follows. Is regulated by the tapered portion 46 (see FIG. 5). That is, the auger 50 is configured such that both the thrust load and the radial load described above are supported by the tapered portion 46 of the bearing portion 44. In the auger 50, even if the sliding contact portion between the inner peripheral surface 52b of the auger main body 52 and the shaft portion 45 of the bearing portion 44 is worn and a gap is generated between them, the inclined portion 52e of the auger main body 52 is the tapered portion 46.
  • the rotation center of the auger main body 52 can be displaced so as to be the same as the axis center of the bearing portion 44.
  • the axial shift of the auger 50 with respect to the bearing portion 44 hardly occurs, and problems such as interference between the ice making surface 64a of the refrigeration casing 64 and the peeling blade 54 due to the axial shift of the auger 50 are avoided.
  • the sliding bearing structure of the embodiment can easily align the shafts of the auger 50 and the bearing portion 44 by fitting the shaft space 52c to the shaft portion 45 of the bearing portion 44, and is excellent in assembling workability. .
  • the portion of the auger body 52 that comes into sliding contact with the bearing portion 44 is formed of a self-lubricating material. Accordingly, the auger 50 is configured such that the auger body 52 is directly supported by the bearing portion 44 and slides on the bearing portion 44 during the ice making operation, but the sliding load between the auger body 52 and the bearing portion 44 is reduced. Thus, heat generation and wear of both can be suppressed, and the driving load on the driving means 76 can be reduced.
  • the auger main body 52 of the embodiment is formed of a synthetic resin material having self-lubricating properties as a whole except for the cutting edge portion 56 of the peeling blade 54.
  • synthetic resin materials for example, POM (polyacetal), PA (polyamide), PC (polycarbonate), PTFE (polytetrafluoroethylene), PPS (polyphenylene sulfide), PBT (polybutylene terephthalate), PEEK (polyether) Etherketone) or PE (polyethylene) is used, and the auger body 52 of the embodiment uses PPS.
  • POM polyacetal
  • PA polyamide
  • PC polycarbonate
  • PTFE polytetrafluoroethylene
  • PPS polyphenylene sulfide
  • PBT polybutylene terephthalate
  • PEEK polyether
  • PE polyethylene
  • a supply recess 52g is provided over the entire circumference by denting the inner peripheral surface 52b at a position overlapping the water supply hole 48 of the bearing portion 44 in the lower portion of the inner peripheral surface 52b. (See FIG. 6).
  • the auger body 52 is provided with a plurality of supply holes 53 penetrating in the inner and outer directions of the auger body 52 so as to open at positions corresponding to the supply recesses 52g and spaced in the circumferential direction.
  • the supply holes 53 are arranged at six positions spaced apart by 60 ° in the circumferential direction of the auger main body 52, and each of the supply holes 53 is out of the extending position of the peeling blade 54. (See FIG. 7).
  • the water supply hole 48 of the bearing portion 44 and the supply recess 52g communicate with each other, and the supply recess 52g and the supply hole 53 communicate with each other, so that the ice making water is formed on the outer peripheral surface 52a of the auger body 52 and the ice casing 64. Supplied between the surface 64a.
  • the auger body 52 is provided with a plurality of (two in the embodiment) peeling blades 54, 54 on the outer peripheral surface 52a facing the ice making surface 64a of the refrigeration casing 64.
  • the auger body 52 has an outer diameter set to be smaller than the inner diameter of the storage space 65 in the refrigeration casing 64 in consideration of the ice transfer space 57, and the outer peripheral surface excluding the ice making surface 64a of the refrigeration casing 64 and the peeling blade 54 in the auger body 52.
  • a conveyance space 57 is defined between the two and 52a (see FIG. 5).
  • each peeling blade 54 is provided so as to protrude from the outer peripheral surface 52 a of the auger main body 52, and when the auger 50 is assembled to the bearing portion 44, the cutting edge 56 a and the refrigeration casing 64 that become the ice peeling position in the peeling blade 54.
  • the ice making surface 64a is opposed to the ice making surface 64a with a slight clearance.
  • Each of the peeling blades 54 is provided in a spiral shape with an appropriate lead angle ⁇ so as to wind from the front side to the rear side in the rotational direction of the auger 50 as it goes from top to bottom on the outer peripheral surface 52a of the auger body 52. (See FIG. 7).
  • the peeling blade 54 of an Example is formed in the outer peripheral surface 52a of the auger main body 52 over substantially half circumference (about 180 degrees) (refer FIG. 8).
  • the two peeling blades 54, 54 are arranged so as to be 180 ° out of phase, and the upper end of each peeling blade 54 will be described later on the upper end surface of the auger body 52.
  • the ice making mechanism 30 peels the ice on the ice making surface 64a of the refrigeration casing 64 by the peeling blade 54 of the auger 50, and also causes the spiral peeling blade 54 to pass ice through the transport space 57 as the auger 50 rotates. Are transported upward. Accordingly, the amount of ice to be conveyed increases in the upper part of the auger body 52, and a load is applied to the peeling blade 54 as compared with the lower part of the auger body 52.
  • each peeling blade 54 is arranged in the vicinity of the front side in the rotational direction of the portion to which the spoke portion 59 of the power transmission portion 58 of the auger body 52 is connected, and the power corresponding to the upper portion where the load on the peeling blade 54 is applied. By transmitting, the ice can be appropriately peeled and transported.
  • the lead angle ⁇ is an angle formed by an extension line of the cutting edge 56a and a horizontal line in the peeling blade 54 spirally connected to the auger body 52, and is used for transporting ice peeled by the peeling blade 54.
  • Related parameters see FIG. 7). That is, when the lead angle ⁇ of the peeling blade 54 increases (the peeling blade 54 stands in the vertical direction), the thrust load applied to the peeling blade 54 decreases, but the rotation required to transport ice upward. Deterrence increases. On the other hand, when the lead angle ⁇ of the peeling blade 54 is small (the peeling blade 54 is tilted in the lateral direction), the thrust load applied to the peeling blade 54 increases, but it is necessary for conveying ice upward. Rotation deterrence force is reduced.
  • the lead angle ⁇ of the peeling blade 54 is preferably set in the range of 23 ° to 68 °, and is set to 45 ° in the embodiment.
  • the rotation deterring force is a force that acts to prevent the ice from co-rotating in the circumferential direction with the rotation of the auger 50, and the ice is moved upward through the transport space 57 as the auger 50 rotates. Necessary for transportation.
  • the rotation deterring force is applied to the ice by the irregularities described later provided on the ice making surface 64a of the refrigeration casing 64.
  • the peeling blade 54 is formed in a cross-sectional chevron shape that is tapered so as to protrude radially outward from the outer peripheral surface 52 a of the auger body 52, and sandwiches a ridge line that becomes the blade edge 56 a
  • the skirts of the opposing support surfaces 55 a and 55 b are formed so as to be smoothly connected to the outer peripheral surface 52 a of the auger body 52.
  • the peeling blade 54 is separated from each other as the support surfaces 55a, 55b facing vertically with the blade edge 56a facing the ice making surface 64 are spaced from the blade edge 56a toward the outer peripheral surface 52a of the auger body 52.
  • 52a is configured to be continuous with the curve.
  • each support surface 55a is formed so that it may extend along the ice-making surface 64a side or the said line from the line which passes along the blade edge 56a with the blade edge angle (beta) which the blade edge surface of the peeling blade 54 and the ice-making surface 64a make.
  • a cutting edge 56 a is configured by a base portion 55 that is continuous with the auger body 52 and a separate cutting edge portion 56.
  • an installation concave portion is provided over a ridge line on a part of the upper support surface 55a of the base portion 55, and the blade edge portion 56 is fitted into the installation concave portion so that screws, insert molding, adhesion, caulking, or these It is fixed by an appropriate means by combination.
  • the blade edge portion 56 is a plate-like body made of metal such as stainless steel, and the lower edge of the blade edge portion 56 is a ridge line formed by the upper support surface 55a and the lower support surface 55b.
  • a corner portion facing the ice making surface 64a at the lower edge of the blade edge portion 56 is the blade edge 56a. That is, in the peeling blade 54, the portion including the cutting edge 56a for peeling the ice on the ice making surface 64a is made of a metal material having excellent wear resistance, while the base portion 55 and the auger body 52 are formed of a synthetic resin. The life of the peeling blade 54 can be improved, and the auger body 52 as a whole can be reduced in weight. In addition, since only the blade edge portion 56 can be replaced, the maintenance cost can be reduced, and the reliability of the blade edge 56a can be appropriately maintained.
  • the peeling blade 54 includes an ice making surface 64 a of the refrigeration casing 64 extending in the vertical direction, a cutting edge surface (the cutting edge 56 a, and the extreme oblique side close to the cutting edge 56 a on the upper oblique side of the base portion 55.
  • the blade edge angle ⁇ formed by the surface connecting the points and the upper surface of the blade edge portion 56 in the embodiment is set at an appropriate angle so that the ice formed on the ice making surface 64a can be peeled stably.
  • the cutting edge angle ⁇ is set to an acute angle, and is about 15 ° in the embodiment.
  • the peeling blade 54 is configured such that the angle formed between the support surfaces 55a and 55b of the base portion 55 and the ice making surface 64a of the refrigeration casing 64 is the same as or smaller than the blade edge angle ⁇ (see FIG. 10). That is, each support surface 55a, 55b of the base portion 55 is formed to be the same as a line passing through the blade edge 56a at the blade edge angle ⁇ with respect to the ice making surface 64a or to be extended to the ice making surface 64a side with respect to the line.
  • the peeling blade 54 of an Example is formed so that the upper and lower support surfaces 55a and 55b may be extended in a symmetrical relationship across the blade edge 56a.
  • the extending lines of the support surfaces 55a and 55b of the base portion 55 are formed so that there is no stress concentration portion corresponding to the blade edge angle ⁇ , so that the peeling blade 54 makes ice.
  • a moment load is not applied, and the base portion 55 extends to a position intersecting the direction of the stress applied to the peeling blade 54, and the stress is appropriately applied as a compressive load at the base portion 55. Can be supported.
  • each support surface 55a, 55b of the base portion 55 does not have a portion such as a corner shape or a concave shape where stress applied to the peeling blade 54 is concentrated when the ice on the ice making surface 64a is peeled off by the peeling blade 54. Therefore, the rigidity of the peeling blade 54 can be ensured even if the base portion 55 is formed of a synthetic resin.
  • the blade edge portion 56 of the embodiment is formed by pressing.
  • the peeling blade 54 is formed so as to wind the outer peripheral surface 52a over about a half circumference from the upper end to the lower end of the auger body 52.
  • the cutting edge portion 56 is press-molded by setting the winding angle ⁇ , which is the angle at which the peeling blade 54 extends to the outer peripheral surface of the auger body 52 in a plan view of the auger body 52, to 180 ° or less.
  • the press die can be simplified (see FIG. 8).
  • the winding angle ⁇ of the peeling blade 54 exceeds 180 °
  • the blade edge portion 56 is press-molded, the press die is complicated to be divided, resulting in a costly problem.
  • the winding angle ⁇ of the peeling blade 54 is related to the lead angle ⁇ of the peeling blade 54, the outer diameter d between the blade edges 56 a and 56 a of the peeling blade 54 in the auger body 52, and the vertical dimension h of the auger body 52.
  • a condition for setting the angle ⁇ to 180 ° or less can be expressed as the following Expression 1.
  • tan ⁇ > 2h / ⁇ d Equation 1 ⁇ : Lead angle h: Vertical dimension of the auger body 52
  • ⁇ Circumferential ratio
  • d Outer diameter between the blade edges 56 a and 56 a of the peeling blade 54 in the auger body 52
  • the power transmission part 58 includes a spoke part 59 provided at the upper end of the auger body 52 and a connection boss provided on the spoke part 59 and serving as a connection part to the output shaft 77 of the drive means 76.
  • Part 60 The spoke portions 59 are provided at the central connecting piece 59a extending in the radial direction of the auger body 52 through the axial center of the auger main body 52, and at both ends of the central connecting piece 59a.
  • the auger 50 is formed in a bent shape including a pair of side connection pieces 59b and 59b that extend at different angles in the rotation direction and connect to the upper end surface of the auger body 52 (see FIG. 8).
  • each side connecting piece 59b is biased toward the front side in the rotational direction of the auger 50 as it goes from the radially inner side to the outer side with respect to the extending direction of the central connecting piece 59a.
  • the connecting pieces 59b and 59b are in a positional relationship in which the phases are shifted from each other by 180 °.
  • the spoke portion 59 is provided with an inclined surface portion 59c in which the upper corner portion on the radially outer side of each side connecting piece 59b is cut obliquely.
  • both-side connecting pieces 59b and 59b of the spoke part 59 are configured to extend at an angle with respect to the radial line passing through the rotation center of the auger 50, so that the ice as the auger 50 rotates. Can be smoothly guided radially inward.
  • connection boss part 60 is provided on the upper part of the central connecting piece 59a in the spoke part 59, and is arranged at the axial center of the auger body 52 (see FIG. 7).
  • the connection boss part 60 is formed in a circular shape, and is provided with a shaft groove 60a that opens upward in the center, and a key groove 60b that is recessed radially outward from the inner peripheral surface of the shaft groove 60a. It is provided over the upper and lower sides.
  • a partition wall 60c is erected over the entire outer periphery of the connection boss 60 to partition the fluid such as water flowing down through the output shaft 77 of the drive means 76 inserted into the shaft groove 60a. The fluid is prevented from falling into the ice storage chamber through the ice discharge passage 35a provided in the center of the auger body 52, received by the wall 60c (see FIG. 9).
  • the power transmission portion 58 is inclined inward in the radial direction from the top to the bottom at the connecting boss portion 60 extending radially outward from the central coupling piece 59a and connected to the side surface of the central coupling piece 59a.
  • a guide surface 61 is provided.
  • the power transmission portion 58 is provided between the guide member 74 above the auger main body 52 via the conveyance space 57 with both side connecting portions 59b, 59b of the spoke portion 59 rotated by the driving means 76 during the ice making operation.
  • the ice transported to the ice collecting section S is guided radially inward (rotation center side).
  • the central connecting piece 59a and the guide surface 61 of the spoke part 59 are rotated by the driving means 76, and the ice moved by the two side connecting parts 59b and 59b is converted into an ice making position by the peeling blade 54. It guides downward toward an ice discharge port (upper side opening of the cylindrical main body 35 in the water supply part 34) 35b of an ice discharge path 35a provided to be biased toward the rotation center side of the auger 50 with respect to the surface. .
  • the power transmission unit 58 not only has a function of easily connecting to the drive unit 76 but also the ice guided through the conveying space 57 by the peeling blade 54 of the auger body 52 through the ice discharge port 35b. It also functions as an ice guide that guides you towards
  • the power transmission unit 58 of the auger 50 moves the driving means 76 from the lock of the auger 50 when an excessive load is applied to the rotation of the auger main body 52 due to some reason such as the peeling blade 54 being caught on the ice making surface 64a. It is also configured to function as a protection means for protecting. For example, in the auger 50, when an overload is applied to the auger body 52, the spoke part 59, the connection part between the auger body 52 and the spoke part 59, or the connection part between the spoke part 59 and the connection boss part 60 are broken. Is set.
  • the auger 50 may be configured such that a weak portion is provided in advance in the spoke portion 59 or the connecting portion described above by a notch or the like, and the auger 50 is broken when the auger 50 is locked.
  • the power transmission unit 58 of the auger 50 is configured to function as protection means, so that overload of the driving means 76 is avoided, and the driving means 76 and the refrigeration casing 64 that are more expensive than the auger 50 are used. Can be prevented.
  • the auger 50 integrally forms the auger body 52 and the power transmission unit 58 from a synthetic resin having a lower thermal conductivity than metal, the output shaft 77 of the drive means 76 and the power transmission unit 58 are directly connected. Even if connected, heat conduction between the output shaft 77 and the power transmission unit 58 can be suppressed. That is, since the temperature rise of the auger 50 due to the heat of the driving means 76 can be avoided, the ice making efficiency in the ice making mechanism 30 can be improved without hindering the generation of ice on the ice making surface 64a of the refrigeration casing 64.
  • the auger 50 is light, easy to process, and can reduce costs by integrally forming the auger body 52 and the power transmission unit 58 from synthetic resin. Furthermore, by forming the auger main body 52 from a synthetic resin, heat that enters the ice making surface 64a side of the refrigeration casing 64 from the ice discharge path 35a side can be suppressed.
  • the refrigeration casing 64 is a cylindrical body having an accommodation space 65 that opens up and down.
  • the auger 50 is accommodated in the accommodation space 65 and placed on the placement surface 36 b of the flange portion 36 in the water supply part 34. It mounts on the mounting part 47 of the bearing part 44 (refer FIG. 1).
  • the restricting piece 66 b that protrudes from the outer peripheral edge of the lower end surface of the peripheral wall 66 of the refrigeration casing 64 is formed on the placement portion 47 of the bearing portion 44.
  • the outer periphery is fitted so that the shaft is aligned with the bearing 44 and the auger 50 held by the bearing 44.
  • the clearance between the ice making surface 64 a of the refrigeration casing 64 and the cutting edge 56 a of the peeling blade 54 in the auger 50 is kept constant.
  • the ice making mechanism 30 of an Example screws the flange part 36 of the water supply part 34, the mounting part 47 of the bearing part 44, and the lower end of the freezing casing 64 from the lower side of the base 32 with a screw (not shown). Are fixed to each other.
  • the positioning projection piece 38 of the water supply part 34 comes into contact with the outer peripheral surface, the movement of the refrigeration casing 64 in the radial direction is restricted, and the restriction piece 66b is coaxial with the refrigeration casing 64.
  • the shaft portion 45 of the bearing portion 44 and the cylindrical main body 35 of the water supply part 34 are aligned with each other.
  • the return space 42 between the outer peripheral surface of the cylindrical main body 35 in the water supply part 34 and the inner peripheral surface of the shaft portion 45 in the bearing portion 44 is provided with a certain clearance.
  • the refrigeration casing 64 is provided with a sealing material 63 such as an O-ring or a square ring in a seal recess 64b provided on the entire inner periphery of the lower end of the refrigeration casing 64, so that the refrigeration casing 64 and the mounting portion are disposed. 47 is sealed with water.
  • the refrigeration casing 64 is configured to be mounted on the water supply part 34 made of a synthetic resin having a lower thermal conductivity than that of metal, heat conduction with the base 32 can be suppressed. That is, it is possible to prevent the ice making efficiency from deteriorating due to the heat of the base 32 being transmitted to the refrigeration casing 64 and the dew condensation on the base 32 due to the base 32 being cooled. Furthermore, the dew condensation water or the like flowing down along the outer peripheral surface of the refrigeration casing 64 is collected by the drain groove 36 a of the water supply part 34 and discharged outside through a drain pipe connected to the drain part 41. In this way, in the ice making mechanism 30, the water supply part 34 functions as a drain pan that receives the dew condensation water flowing down the refrigeration casing 64 and also functions as a heat insulating member between the refrigeration casing 64 and the base 32.
  • a refrigerant channel 67 is provided inside a peripheral wall 66 that defines an accommodation space 65, and an introduction part 68 and a lead-out part 69 communicating with the refrigerant channel 67 are provided on the outer peripheral surface of the refrigeration casing 64. Protrusively provided.
  • an introduction part 68 is provided at the lower part of the peripheral wall 66
  • a lead-out part 69 is provided at the upper part of the peripheral wall 66
  • the lead-in part 68 and the lead-out part 69 communicate with each other via the refrigerant channel 67. (See FIG. 1 or FIG. 5).
  • leading-out part 69 are arrange
  • a refrigerant pipe (not shown) connected to the refrigeration mechanism is connected to the introduction part 68 and the lead-out part 69, and a refrigerant circulation type constituted by decompression means such as a compressor, a condenser and an expansion valve of the refrigeration mechanism. It functions as an evaporator in the refrigeration circuit.
  • the ice making surface 64a is cooled by heat exchange with the refrigerant in the process in which the refrigerant supplied from the refrigeration mechanism flows through the refrigerant flow path 67, and ice is generated on the ice making surface 64a.
  • the refrigeration casing 64 is made of a metal material having excellent thermal conductivity, and aluminum is adopted in the embodiment. As shown in FIG. 11, the refrigeration casing 64 includes a main body block 70, a lower block 71 assembled to the lower portion of the main body block 70, and an upper block 72 assembled to the upper portion of the main body block 70.
  • the main body block 70 constitutes a large part of the refrigeration casing 64 including the ice making surface 64 a, and an accommodation space 65 that penetrates linearly along the axial direction is provided inside the cylindrical shape, thereby defining the accommodation space 65.
  • the ice making surface 64a is constituted only by the inner peripheral surface of the main body block 70.
  • the main body block 70 is formed such that the outer diameter of the upper part and the lower part is smaller than the intermediate part constituting the outer peripheral surface of the refrigeration casing 64, and is inserted into the upper outer peripheral edge and the lower outer peripheral edge in a stepped manner. Portions 70a and 70b are provided. Further, the main body block 70 is provided with a plurality of straight pipe portions 67a of the refrigerant flow passage 67 penetrating vertically in the middle portion between the upper and lower insertion portions 70a and 70b, spaced apart at a constant interval in the circumferential direction. Each straight pipe portion 67a is disposed on the outer side in the radial direction from the outer peripheral surfaces of the insertion portions 70a and 70b in the intermediate portion of the main body block 70. Each straight pipe portion 67a is provided so as to vertically penetrate an intermediate portion of the main body block 70, and opens in a step portion formed by the upper and lower insertion portions 70a and 70b in the main body block 70.
  • the lower block 71 is a ring-shaped member, and the inner diameter is set to be substantially the same as the outer diameter of the lower insertion portion 70 a in the main body block 70, and the outer diameter is the outer diameter of the intermediate portion in the main body block 70. Are set to be approximately the same.
  • the lower block 71 is assembled so as to cover the outside of the insertion portion 70a by inserting the lower insertion portion 70a in the main body block 70 inside, and the outer peripheral surface of the lower block 71 is the outer periphery of the intermediate portion in the main body block 70. It aligns with the surface and constitutes the lower outer peripheral surface of the refrigeration casing 64.
  • the lower block 71 has a distribution recess 71a formed over the entire circumference of the upper inner periphery, and when assembled to the main body block 70, the main body block 70 is interposed between the distribution recess 71a and the lower insertion portion 70a.
  • a distribution portion 67b communicating with the straight pipe portion 67a is defined.
  • the introduction part 68 is provided in the lower block 71 so as to communicate with the distribution recess 71a (distribution part 67b).
  • the upper block 72 is a ring-shaped member, and the inner diameter is set to be substantially the same as the outer diameter of the upper insertion portion 70 b in the main body block 70, and the outer diameter is the same as the outer diameter of the intermediate portion in the main body block 70. It is set almost the same.
  • the upper block 72 is assembled so as to cover the outer side of the insertion portion 70b by inserting the upper insertion portion 70b in the main body block 70 inside, and the outer peripheral surface of the upper block 72 is the outer peripheral surface of the intermediate portion in the main body block 70.
  • the upper outer peripheral surface of the refrigeration casing 64 is configured.
  • the upper block 72 has a recovery recess 72a formed over the entire inner periphery of the lower portion, and when the upper block 72 is assembled to the main body block 70, the main block 70 is located between the recovery recess 72a and the upper insertion portion 70b.
  • a recovery part 67c communicating with the straight pipe part 67a is defined.
  • leading-out part 69 is provided in the upper block 72 so that it may connect with the collection
  • the refrigeration casing 64 has the lower block 71 and the upper block 72 assembled to the main body block 70, so that the distribution portion 67b and the collection portion 67c communicate with the straight pipe portion 67a.
  • a refrigerant passage 67 through which the refrigerant flows is formed in 69 (see FIG. 5). That is, by forming the refrigeration casing 64 into three blocks 70, 71, 72 according to the refrigerant flow path 67, the blocks 70, 71, 72 can be formed by extrusion molding. Therefore, the manufacturing cost of the refrigeration casing 64 can be reduced.
  • the refrigeration casing 64 is composed of three blocks 70, 71, 72, but the inner peripheral surface of the main body block 70 has a structure in which the upper and lower blocks 71, 72 are attached to the outside of the main body block 70 and assembled. Only the ice making surface 64a is formed. That is, in the refrigeration casing 64, the seam between the main body block 70 and the upper and lower blocks 71 and 72 appears on the upper and lower end surfaces and the outer peripheral surface of the refrigeration casing 64, but does not appear on the ice making surface 64a.
  • the dimensional accuracy of the ice making surface 64 a in the refrigeration casing 64 is not affected by the assembling accuracy of the three blocks 70, 71, 72, and the space between the ice making surface 64 a and the cutting edge 56 a of the peeling blade 54 in the auger 50. Clearance can be set appropriately.
  • an unevenness is formed on the ice making surface 64a in order to impart a rotation suppressing force to the ice peeled off by the peeling blade 54 of the auger 50.
  • the unevenness is set finer than ice obtained by peeling with the peeling blade 54.
  • a plurality of narrow grooves (not shown) extending in the axial direction of the main body block 70 and spaced apart from each other in the circumferential direction are formed on the inner peripheral surface of the main body block 70,
  • the ice making surface 64 a formed by the inner peripheral surface of the main body block 70 is provided with irregularities.
  • a plurality of fine grooves can be formed simultaneously with the extrusion molding of the main body block 70, and the unevenness is not formed in a separate process after the main body block 70 is molded, so that the manufacturing process can be simplified.
  • the manufacturing process can be simplified.
  • the hardness and the like of the ice can be adjusted, and the surface of the ice generated on the ice making surface 64a is made irregular so that the ice by the peeling blade 54 of the auger 50 can be obtained. Can be smoothly peeled off.
  • the unevenness of the ice making surface 64a or the unevenness of the ice generated on the ice making surface 64a becomes resistance to the ice moving in the rotation direction of the auger 50, and the movement of the ice in the circumferential direction of the auger body 52 is suppressed.
  • the ice can be efficiently conveyed upward by being pushed up by the peeling blade 54 extending spirally on the outer peripheral surface of the auger body 52.
  • the guide member 74 is a disk-shaped member that covers the upper part of the refrigeration casing 64, and has an outer diameter dimension substantially the same as the outer diameter of the refrigeration casing 64 (see FIG. 2 or FIG. 3).
  • the guide member 74 has an outer peripheral portion attached to the upper end surface of the peripheral wall 66 of the refrigeration casing 64, and a portion covering the upper portion of the accommodation space 65 is provided with an insertion hole 74a through which the connection boss 60 of the power transmission unit 58 is inserted. It is formed in a truncated conical shape that bulges upward from an outer peripheral portion composed of a flat portion and an inclined portion connecting the flat portion and the outer peripheral portion.
  • the guide member 74 when the guide member 74 is attached to the refrigeration casing 64 with screws or the like so as to cover the upper portion of the spoke portion 59, the planar portion extends in parallel to the upper end surface of the spoke portion 59, and the inclined portion has the spoke portion 59. It is comprised so that it may extend in parallel with respect to the slope part 59c. Note that the guide member 74 of the embodiment is configured such that its position in the radial direction is restricted by a holding piece 66a erected on the outer peripheral edge of the peripheral wall 66 of the refrigeration casing 64.
  • connection boss portion 60 protrudes from the upper surface of the guide member 74 through the insertion hole 74 a, and the lower surface of the guide member 74 is iced against the upper surface of the spoke portion 69.
  • the spoke portions 59 are configured to move along the lower surface of the guide member 74 as the auger 50 rotates and face each other at a smaller interval.
  • the ice making mechanism 30 is provided with an ice collecting portion S between the refrigeration casing 64 and the guide member 74, and the conveyance space 57 between the ice making surface 64 a of the refrigeration casing 64 and the outer peripheral surface 52 a of the auger body 52 is iced. It communicates with the outer peripheral part of the collecting unit S.
  • the ice discharge port 35 b of the ice discharge path 35 a defined by the cylindrical body 35 of the water supply part 34 disposed in the center of the accommodation space 65 is opened at the center of the ice collecting unit S. It has become.
  • the ice that has been conveyed above the refrigeration casing 64 by the rotation of the auger 50 and arrived at the ice collecting section S is prevented from moving upward by the guide member 74, and is radially inward by the inclined portion of the guide member 74 ( Guided to turn to the center of rotation).
  • the ice is also guided inward in the radial direction by the spokes 59 and falls into the ice storage chamber via an ice discharge path 35 a provided vertically through the rotation center of the auger 50.
  • the driving means 76 is attached via a mount 78 fixed to the upper part of the refrigeration casing 64, and the load of the driving means 76 is supported by the refrigeration casing 64.
  • the gantry 78 is formed in a trapezoid shape including a flat pedestal portion 78a on which the driving means 76 is placed and fixed, and support leg portions 78b and 78b hanging from both side edges of the pedestal portion 78a. Further, the gantry 78 is placed on the outer peripheral portion of the guide member 74 attached to the upper end surface of the peripheral wall 66 of the refrigeration casing 64 with the lower ends of the support legs 78b and 78b, and with respect to the peripheral wall 66 across the guide member 74. It is fixed with screws.
  • a hole 78c through which the connection boss 60 protruding upward from the insertion hole 74a of the guide member 74 is provided at the center of the base 78a of the gantry 78.
  • the hole 78c is set to have substantially the same size as the outer diameter of the connection boss 60, and is configured to align with the connection boss 60 inserted through the hole 78c without a gap.
  • the drive means 76 is configured such that the output shaft 77 protrudes downward, and a key (not shown) protruding radially outward is provided at the lower end of the output shaft 77.
  • the drive unit 76 connects the output shaft 77 and the power transmission unit 58 of the auger 50 by fitting the output shaft 77 into the shaft groove 60a from above with the key aligned with the key groove 60b of the connection boss 60. .
  • the ice making mechanism 30 is configured to press the auger 50 from above by the output shaft 77 of the driving means 76.
  • the shaft groove 60a and the key groove 60b of the connection boss 60 are not formed with dimensions that completely match the outer shape of the output shaft 77 and the key, but the shaft groove 60a and the key groove 60b are output. It is formed in a similar shape slightly larger than the outer shape of the shaft 77 and the key.
  • the connection structure between the output shaft 77 of the drive means 76 and the power transmission portion 58 of the auger 50 is configured to allow play and absorb the displacement of the output shaft 77.
  • the ice making mechanism 30 has a configuration in which the auger body 52 is held by the bearing portion 44 and the rotation center of the auger 50 is aligned, so that the rotation drive of the drive means 76 can be transmitted.
  • the thrust load and the radial load applied to the auger 50 are supported by the bearing portion 44, so that the load from the auger 50 on the driving means 76 can be reduced. That is, since the frame 78 that supports the driving unit 76 and the connection structure between the output shaft 77 and the power transmission unit 58 require less strength, the cost can be reduced by adopting a simple structure.
  • the load applied to the auger body 52 and the refrigeration casing 64 is gradually accumulated when the peeled ice is transported upward in the transport space 57, so that it becomes the largest at the upper end of the transport space 57, and the lower becomes smaller.
  • the ice making mechanism 30 is provided with a driving means 76 above the auger 50 and transmits a rotational driving force via a power transmission unit 58 connected to the upper side of the auger body 52 having the highest rotational load. That is, the ice making mechanism 30 can smoothly rotate the auger 50 from the side where the rotational load of the auger body 52 is large by the driving means 76, and the load (particularly moment load) applied to the auger body 52 and the refrigeration casing 64 is large.
  • the auger body 52 can be formed of a synthetic resin having a lower allowable stress than that of metal.
  • the refrigeration casing 64 aluminum having a lower allowable stress than stainless steel is adopted, and the thickness of the peripheral wall 66 can be reduced according to the applied load. Therefore, in the refrigeration casing 64, by setting the peripheral wall 66 thin, the thermal conductivity from the refrigerant to the ice making surface 64a can be improved, and the auger 50 can be lightened to reduce the load on the driving means 76. The auger 50 is smoothly rotated. As a result, the ice making mechanism 30 improves the ice making efficiency.
  • the water supply mechanism 80 includes an ice making water tank 81 for storing ice making water, and a water level detecting means 82 for detecting the water level of the ice making water stored in the ice making water tank 81.
  • a water supply port of a water supply means W connected to an external water source such as a water supply faces the upper part of the ice making water tank 81, and by opening a water supply valve WV that can open and close a pipe line provided in the water supply means W, ice making Water is supplied to the ice making water tank 81.
  • the ice making water tank 81 is disposed on the side of the ice making mechanism 30 and connects the water supply pipe 83 connected to the outlet 81 a provided at the bottom to the water supply 40 provided at the bottom of the ice making mechanism 30, thereby making the ice making mechanism 30. It is comprised so that it may communicate with the ice-making water storage space provided in the inside.
  • the water level detection means 82 of the embodiment employs a float type in which the float moves up and down in accordance with the fluctuation of the water level of the ice making water stored in the ice making water tank 81, and the water supply valve of the water supply means W by the water level detection signal of the water level detection means 82. WV is controlled to open and close.
  • the water supply valve WV is opened and ice making water is supplied from the water supplying means W to the ice making water tank 81.
  • the water supply valve WV is closed and the supply of ice making water is stopped.
  • an ice making water storage space is defined between the water supply part 34 and the refrigeration casing 64 placed on the flange portion 36 of the water supply part 34, and the ice making water stored in the ice making water storage space is defined.
  • the auger body 52 of the auger 50 is disposed in a state of being immersed in the water.
  • the ice making mechanism 30 is arranged beside the ice making water tank 81, and the bottom of the ice making water tank 81 and the bottom of the ice making water storage space are connected by a water supply pipe 83 so that the water level of the ice making water tank 81 and the ice making water are The water level in the storage space is the same.
  • the ice making mechanism 30 is configured to immerse the auger body 52 of the auger 50 in an ice making water storage space between the refrigeration casing 64 and the water supply part 34, and a rotating shaft for rotating the auger 50 has ice making water. Since it does not penetrate the storage space, no mechanical seal is required. Moreover, there is little possibility of water leaking from the ice making water storage space. Since the upper part of the ice-making water storage space is open to the atmosphere, air is not caught, and ice-making water can be stably supplied from the water supply mechanism 80 to the ice-making water storage space.
  • the ice making water since ice making water exists on the sliding surfaces of the auger body 52 and the bearing portion 44, the ice making water functions as a lubricant to suppress wear of the sliding surfaces, and to remove foreign matter between the sliding surfaces. Can be discharged. And since the ice making mechanism 30 is supplying ice making water to the ice making water storage space via the water supply part 40 provided in the water supply part 34 which functions also as a heat insulation member, freezing of ice making water other than the ice making surface 64a is carried out. It can prevent and supply stably.
  • the ice making mechanism 30 is provided with an ice discharge passage 35 a penetrating vertically in the axial direction of the auger body 52 on the rotation center side of the auger 50, and the ice discharge passage 35 a is also used as the cylindrical body 35 of the water supply part 34. Therefore, the number of parts can be reduced, and the ice making mechanism 30 can be downsized. Further, the ice making mechanism 30 is configured such that the output shaft 77 is inserted into the shaft groove 60a of the power transmission unit 58 from above, and the connection between the output shaft 77 and the power transmission unit 58 can be established simply by pulling the drive means 76 upward. It can be easily released.
  • the ice making mechanism 30 can easily pull the auger 50 upward from the bearing portion 44 by removing the driving means 76, the gantry 78, and the guide member 74 from the refrigeration casing 64. Moreover, the ice making mechanism 30 can remove the auger 50 without draining the ice making water from the ice making water storage space. That is, the ice making mechanism 30 can easily perform maintenance work such as cleaning and replacement of the auger 50.
  • the ice making mechanism 30 of the embodiment has a configuration in which the auger 50 is disposed inside the refrigeration casing 64.
  • the outside of the refrigeration casing 91 has a hollow cylindrical shape.
  • the auger 92 may be disposed so as to be covered with the auger body 93, and the peeling blade 94 may be provided on the inner peripheral surface of the auger 92 so as to face the ice making surface 91 a formed by the outer peripheral surface of the refrigeration casing 91.
  • the ice making mechanism 90 of the modified example includes a hollow cylindrical bearing portion 95 provided with a mounting portion 95a protruding inward in the radial direction at the lower portion, and an auger 92 is disposed inside the bearing portion 95 to provide an outer periphery of the auger body 93. While supporting a surface, the lower end of the auger main body 93 is supported by the mounting part 95a. The refrigeration casing 91 is placed on the placement portion 95 a of the bearing portion 95.
  • the ice on the ice making surface 91a of the refrigeration casing 91 is peeled off by the peeling blade 94 of the auger 92 rotated by the driving means 76, and the ice making surface 91a and the inner peripheral surface of the auger body 93 are separated. Ice is transported upward between them. Then, the ice that has arrived at the ice collecting section S above the refrigeration casing 91 is guided radially inward (rotation center side), and an ice discharge path 35 a provided so as to penetrate vertically inside the refrigeration casing 91. To the ice storage room.
  • the tapered portion 46 is provided at the lower end of the shaft portion 45.
  • the bearing portion 96 of the first modified example shown in FIG. The structure which provides may be sufficient. If the auger body is arranged outside the shaft part in the bearing part, the taper part is formed obliquely so that the diameter decreases from the bottom to the top, whereas the auger body is formed inside the shaft part. If it is the structure which arrange
  • the shaft portion 45 is formed so that the diameter becomes narrower from the bottom to the top, and the inner periphery of the auger body 52 corresponding to the shaft portion 45.
  • the shaft portion 45 can have the function as the tapered portion 46 described in the embodiment.
  • the bearing portion 44 of the embodiment is provided with a placement portion 47 that supports the thrust load of the auger 50 at the lower portion, like the bearing portion 100 of the third modified example shown in FIG.
  • a mounting portion 47 may be provided in the unit, and the stepped portion 102 formed on the auger body 52 corresponding to the mounting portion 47 may be mounted on the mounting portion 47.
  • the shaft protruding downward from the auger 50 can be omitted, and the shaft portion 16a is formed on the lower side like the auger 16 described in the conventional example. Will not protrude.
  • a space communicating between the ice making surface 64a of the refrigeration casing 64 and the first peripheral surface 52a of the auger 50 can be provided between the lower end surface of the auger 50 and the bearing portion 100. It becomes easier to perform water supply from the auger 50 side.
  • the mounting portion 47 is provided at the upper end of the shaft portion 45, and the hook-shaped portion 52 f provided at the upper end of the auger body 52 is replaced with the mounting portion.
  • the structure mounted on 47 can also be adopted.
  • the shaft protruding downward from the auger 50 can be omitted, and the shaft portion 16a is formed on the lower side like the auger 16 described in the conventional example. Will not protrude.
  • a space communicating between the ice making surface 64a of the refrigeration casing 64 and the first peripheral surface 52a of the auger 50 can be provided between the lower end surface of the auger 50 and the bearing portion 101. It becomes easier to perform water supply from the auger 50 side.
  • the auger body 105 is basically made of synthetic resin, and the outer peripheral surface of the auger body 105 is made of a thin metal material 107 constituting the cutting edge of the peeling blade 106.
  • covers integrally may be sufficient. Thereby, the rigidity and durability of the auger main body 105 can be improved.
  • the auger body 111 may be constituted by the portion 113 and the synthetic resin portion 114 that covers the core material 112 and fills the space between the core material 112 and the blade edge portion 113. Thereby, the rigidity and durability of the auger main body 111 can be improved.
  • the ice making mechanism 30 of the embodiment is configured to supply ice making water from the water supply part 34 disposed inside the bearing portion 44 and store the ice making water between the inner peripheral surface of the refrigeration casing 64 and the water supply part 34.
  • omits water supply parts like the water supply structure shown in FIG. 19 may be sufficient.
  • the ice making mechanism 120 having the water supply structure of the modified example is provided with a water supply unit 40 below the peripheral wall 66 of the refrigeration casing 64, and the water supply pipe 83 of the water supply mechanism 80 is connected to the water supply unit 40.
  • ice making water is supplied from the water supply pipe 83 between the refrigeration casing 64 and the outer peripheral surface 52a of the auger body 52, and the ice making water is provided between the ice making surface 64a of the refrigeration casing 64 and the bearing portion 44.
  • the bearing portion 44 is also used as a member that defines the ice-making water storage space.
  • a flange member 121 having a shape obtained by removing the cylindrical main body 35 from the water supply part 34 of the embodiment is disposed between the refrigeration casing 64 and the base 32. It has the function as a heat insulating material and a drain pan like the flange part 36 of the water supply part 34 of an Example.
  • the driving means 76 is supported by the gantry 78 attached to the upper surface of the refrigeration casing 64.
  • the support legs 124 a and 124 b provided on both edges may be placed on the installation portion 32 a of the base 32 so that the load of the driving means 76 is not applied to the refrigeration casing 64.
  • the gantry 124 of the modified example since the load of the driving means 76 is supported by the base 32, the rigidity required for the refrigeration casing 64 is reduced, and the thickness of the refrigeration casing 64 can be further reduced.
  • a rotation restricting portion 127 that assists the smooth movement of ice in the radial direction may be provided on the lower surface of the guide member 126.
  • the guide member 126 of the modified example is provided with a plurality of rotation restricting portions 127 extending obliquely so as to intersect the radial direction on the lower surface of the flat surface portion and projecting downward, and in the modified example, the phase is shifted by 90 °.
  • Four rotation restricting portions 127 are provided while being shifted.
  • the rotation restricting portion 127 of the modified example is formed so as to extend from the front side in the rotational direction of the auger 50 to the rear side from the inner side in the radial direction toward the outer side.
  • the spoke portion 59 of the power transmission portion 58 may have a linear shape instead of a shape that is bent halfway.
  • the rotation restricting portion 127 and the spoke portion 59 of the power transmission portion 58 are configured not to interfere with each other.
  • the unevenness formed on the ice making surface of the refrigeration casing may be provided by a processing method such as cutting or shot peening.
  • the power transmission part of the auger is not limited to a structure formed entirely of synthetic resin, and may be appropriately reinforced with a metal material. That is, a configuration is adopted in which the outer surface of the connection boss part is covered with a metal material, or a metal material is disposed as a core material on the connection boss part and the spoke part. Thereby, durability of a power transmission part can be improved.
  • the synthetic resin portion and the metal material portion of the power transmission unit are joined by insert molding, screwing, adhesion, caulking, or the like, or a combination thereof.
  • the refrigerant flow path provided in the refrigeration casing has a single path in which adjacent straight pipe portions in the main body block are alternately communicated by the concave portions of the lower block and the upper block, and are folded at the concave portions to meander in the circumferential direction. It may be a continuous configuration.
  • a structure that supports the driving means is formed in a box shape that opens downward, and when the frame is attached to the upper part of the refrigeration casing, the upper side of the refrigeration casing is sealed by the frame so that foreign matter does not enter. Also good.
  • the power transmission unit is configured to connect the output shaft of the driving means and the auger body and to rotate the auger body by rotational driving of the output shaft, the power transmission of the first to fifth modified examples described later is performed. It is good also as a structure which absorbs the position shift of the radial direction between an output shaft and the rotation center of an auger like a part. As described above, the auger is positioned by aligning the rotation center with the bearing portion, and therefore it is not necessary to strictly align the output shaft of the driving means with the rotation center of the auger.
  • the power transmission unit is configured to absorb the positional deviation in the radial direction between the output shaft and the rotation center of the auger, so that the assembly of the output shaft and the power transmission unit is facilitated, and the drive means is assembled.
  • the accuracy and the dimensional accuracy of the power transmission unit can be set low.
  • the load on the driving means can be reduced.
  • the power transmission unit 130 of the first modification shown in FIG. 22 has side end portions in a pair of groove portions 129 and 129 provided with an axial space (opening) 52c opened at the upper end portion of the auger body 52.
  • Each of the spoke portions 131 includes an insertion groove 132b that is aligned with the spoke portion 131, and a connection boss portion 132 that is placed on the spoke portion 131 so that the insertion groove 132b is aligned therewith.
  • Each groove portion 129 is formed to open upward and to communicate inward and outward from the inner peripheral surface 52b side to the outer peripheral surface 52a side of the auger body 52.
  • the spoke portion 131 can transmit the rotation of the output shaft 77 to the auger body 52 by restricting the movement in the circumferential direction by the groove portions 129 and 129 when both end portions are inserted into the groove portions 129 and 129, respectively. Radial movement is allowed.
  • the connection boss 132 is provided with a shaft groove 132a that opens upward, and an output shaft 77 is fitted into the shaft groove 132a so that the rotation of the output shaft 77 is transmitted. Further, the insertion groove 132b of the connection boss 132 is formed to communicate in the horizontal direction and open downward.
  • connection boss 132 When the connection boss 132 is placed with the insertion groove 132 b aligned with the spoke 131, the movement of the connection boss 132 in the circumferential direction is restricted by the spoke 131, and the output shaft 77 rotates on the spoke 131. While the connection boss 132 is allowed to move in the radial direction along the spoke 131.
  • the spoke portion 131 moves in the radial direction with respect to the auger body 52, and the connection boss portion 132 moves in the radial direction with respect to the spoke portion 131.
  • the position shift with respect to 52 is absorbed.
  • the power transmission unit 134 of the second modified example shown in FIG. 23 includes a spoke part 135 that is installed in an axial space (opening) 52c that opens at the upper end of the auger body 52 and is fixed to the auger body 52. It has an insertion groove 136b that aligns with the spoke part 135, and a connection boss part 136 that is placed on the spoke part 135 with the insertion groove 136b.
  • the connecting boss 136 is provided with a rectangular shaft groove 136a that is longer in the longitudinal direction than the rectangular output shaft 133 and opens upward, and the shaft of the output shaft 133 inserted into the shaft groove 136a.
  • the groove 136a is configured to be allowed to move in the longitudinal direction.
  • connection boss 136 is fitted to the output shaft 133 in the rotational direction of the output shaft 133 so that the rotation of the output shaft 133 is transmitted.
  • the insertion groove 136b of the connection boss portion 136 is formed to communicate with the horizontal direction and open downward.
  • the axial groove 136a is provided with play in the radial direction with respect to the output shaft 133, and the connection boss portion 136 moves in the radial direction with respect to the spoke portion 135.
  • the positional deviation between the output shaft 133 and the auger body 52 is absorbed.
  • the power transmission portion 138 of the third modification shown in FIG. 24 includes a spoke portion 135 that is installed in an axial space (opening) 52c that opens at the upper end portion of the auger body 52 and is fixed to the auger body 52. It has projecting pieces 140 b and 140 b that can come into contact with the side surface of the spoke part 135, and includes a connection boss part 140 placed on the spoke part 135.
  • the connection boss 140 is provided with a shaft groove 140a that opens upward, and an output shaft 77 is fitted into the shaft groove 140a so that the rotation of the output shaft 77 is transmitted.
  • connection boss 140 is provided with a pair of projecting pieces 140b and 140b that come into contact with the side surface of the spoke part 135 with the spoke part 135 interposed therebetween.
  • the pair of projecting pieces 140b and 140b are positioned symmetrically on the lower surface of the connecting boss 140 on the outer side in the radial direction from the center of rotation of the shaft groove 140a, and are disposed symmetrically with respect to the center of rotation so as to protrude downward. Is formed.
  • the power transmission unit 138 absorbs the positional deviation between the output shaft 77 and the auger body 52 when the connection boss 140 moves in the radial direction with respect to the spoke 135. ing.
  • the number of protrusions 140b is not limited to two, and may be one or three or more.
  • the power transmission unit 142 of the fourth modified example shown in FIG. 25 includes a spoke portion 135 that is installed in an axial space (opening) 52c that opens to the upper end portion of the auger body 52 and is fixed to the auger body 52. And a connecting boss portion 132 mounted on the spoke portion 135 with the insertion groove 132b.
  • the connection boss 132 is provided with a shaft groove 132a that opens upward, and an output shaft 77 is fitted into the shaft groove 132a so that the rotation of the output shaft 77 is transmitted. Further, the insertion groove 132b of the connection boss 132 is formed to communicate in the horizontal direction and open downward.
  • an adjustment unit 144 that allows displacement of the connection boss part 132 relative to the spoke part 135 is provided between the insertion groove 132 b of the connection boss part 132 and the spoke part 135.
  • the adjustment portion 144 is a member having a U-shaped cross section that opens downward, and is attached to cover the upper surface and both side surfaces of the spoke portion 135, and is connected by fitting the insertion groove 132b so as to cover the adjustment portion 144.
  • the boss part 132 is assembled to the spoke part 135.
  • the adjusting portion 144 is formed of a material having elasticity such as rubber or foam, and the adjusting portion 144 is deformed in the radial direction so as to absorb the positional deviation between the output shaft 77 and the auger body 52. It has become.
  • the power transmission unit 146 of the fifth modified example shown in FIG. 26 includes a spoke part 135 that is installed in an axial space (opening) 52c that opens at the upper end of the auger body 52 and is fixed to the auger body 52.
  • a connecting boss portion 148 mounted on the spoke portion 135 with the insertion groove 148b is provided.
  • the connecting boss 148 is provided with a shaft groove 148a that opens upward, and an output shaft 77 is fitted into the shaft groove 148a so that the rotation of the output shaft 77 is transmitted.
  • the insertion groove 148b of the connection boss 148 is formed so as to communicate with the horizontal direction and to open downward.
  • the connecting boss portion 148 is provided with an adjusting portion 148c that allows displacement of the connecting boss portion 148 relative to the spoke portion 135 on the shaft groove 148a side between the shaft groove 148a and the insertion groove 148b.
  • the adjusting portion 148c is configured to be displaceable in the radial direction by inserting a spring or having a bellows shape.
  • the adjusting portion 148c is deformed in the radial direction so that the output shaft 77, the auger body 52, It is designed to absorb misalignment.
  • the auger may be provided with a groove for discharging foreign matter from the sliding surface between the auger body and the bearing portion on the second peripheral surface and the lower end surface facing the bearing portion in the auger body.
  • the bearing portion may be provided with a groove for discharging foreign matter from the sliding surface between the auger body and the bearing portion on the surface of the shaft portion and the mounting portion facing the auger body.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Devices That Are Associated With Refrigeration Equipment (AREA)

Abstract

L'invention vise à accroître la contrainte admissible d'une lame de séparation. A cet effet, l'invention porte sur un mécanisme de fabrication de glace (30) qui comprend un boîtier de réfrigération de type tube circulaire (64) ayant, disposée sur sa surface périphérique interne, une surface de fabrication de glace (64a) refroidie par un mécanisme de réfrigération, et comporte également une tarière (50) ayant une lame de séparation (54) qui est disposée sur la surface périphérique externe (52a) de la tarière (50), laquelle surface périphérique externe est tournée vers la surface de fabrication de glace (64a), et montée sur le côté interne du boîtier (64) de façon à pouvoir tourner autour d'une ligne s'étendant verticalement. Le mécanisme de fabrication de glace (30) est conçu de telle sorte que la glace formée sur la surface de fabrication de glace (64a) est transportée après avoir été séparée par la lame de séparation (54) de la tarière (50) entraînée en rotation par un moyen d'entraînement (76). La lame de séparation (54) est configurée de telle sorte que des surfaces de support (55a, 55b), tournées verticalement l'une vers l'autre en travers d'une arête de lame (56a) tournée vers la surface de fabrication de glace (64a), sont séparées l'une de l'autre car elles s'étendent à partir de l'arête de lame (56a) vers la surface périphérique externe (52a) d'un corps de tarière (52) et sont reliées de façon incurvée à la surface périphérique externe (52a).
PCT/JP2009/062208 2008-07-04 2009-07-03 Machine de fabrication de glace de type à tarière WO2010001996A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2008176366A JP4994321B2 (ja) 2008-07-04 2008-07-04 オーガ式製氷機
JP2008-176366 2008-07-04

Publications (1)

Publication Number Publication Date
WO2010001996A1 true WO2010001996A1 (fr) 2010-01-07

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JP (1) JP4994321B2 (fr)
WO (1) WO2010001996A1 (fr)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102137625B1 (ko) * 2017-10-24 2020-07-24 윤석규 오거식 제빙기
KR102137622B1 (ko) * 2017-10-24 2020-07-24 윤석규 오거식 제빙기

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3869875A (en) * 1973-03-29 1975-03-11 Mile High Equip Ice chip or flake producing machine
WO1993006424A1 (fr) * 1990-07-13 1993-04-01 Alden Commercial Refrigeration Pty. Ltd. Appareil a fabriquer de la glace
JP2009074790A (ja) * 2007-08-31 2009-04-09 Hoshizaki Electric Co Ltd オーガ式製氷機

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3869875A (en) * 1973-03-29 1975-03-11 Mile High Equip Ice chip or flake producing machine
WO1993006424A1 (fr) * 1990-07-13 1993-04-01 Alden Commercial Refrigeration Pty. Ltd. Appareil a fabriquer de la glace
JP2009074790A (ja) * 2007-08-31 2009-04-09 Hoshizaki Electric Co Ltd オーガ式製氷機

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JP2010014371A (ja) 2010-01-21
JP4994321B2 (ja) 2012-08-08

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