KR101742312B1 - Cooling Drum for ice machine - Google Patents

Cooling Drum for ice machine Download PDF

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Publication number
KR101742312B1
KR101742312B1 KR1020160000723A KR20160000723A KR101742312B1 KR 101742312 B1 KR101742312 B1 KR 101742312B1 KR 1020160000723 A KR1020160000723 A KR 1020160000723A KR 20160000723 A KR20160000723 A KR 20160000723A KR 101742312 B1 KR101742312 B1 KR 101742312B1
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KR
South Korea
Prior art keywords
cooling oil
cylindrical body
cooling
passage
inner body
Prior art date
Application number
KR1020160000723A
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Korean (ko)
Inventor
송화종
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송화종
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Priority to KR1020160000723A priority Critical patent/KR101742312B1/en
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Publication of KR101742312B1 publication Critical patent/KR101742312B1/en

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    • 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
    • F25C1/10—Producing ice by using rotating or otherwise moving moulds
    • 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
    • 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
    • F25C1/142—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 outer walls of cooled bodies

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)

Abstract

The present invention relates to a cooling drum for an ice maker. The cooling drum for an ice maker is mounted on an ice maker which produces ice in the form of flour or granules and rotates by being connected to right and left rotary shafts having a flow path through which cooling oil flows. The cooling drum for an ice maker comprises: a cylindrical body; an inner body; an inflow disk; and an outflow disk. The cylindrical body rotates by being connected to one side of a rotary shaft. The inner body is spaced apart from the inner circumferential surface of the cylindrical body and forms a passage through which cooling oil flows along the inner circumferential surface of the cylindrical body. The inflow disk divides the cooling oil flowing into an inlet of the rotary shaft and makes the cooling oil flow into the passage between the inner body and the cylindrical body. The outflow disk receives the cooling oil discharged through the passage and guides the cooling oil to an outlet formed on the other side of the rotary shaft. The present invention efficiently cools the cooling drum even when a small amount of cooling oil is circulated.

Description

[0001] The present invention relates to a cooling drum for an ice-

The present invention relates to a cooling drum for an ice maker to be mounted on an ice maker for producing ice in the form of powder or small pellets.

The ice maker that produces the powdered ice generates water by sprinkling water on the surface of the cooling drum which is kept at a low temperature by passing the cooling oil through the inside, or making the lower part of the cooling drum soak in the water tank, After that, it works by rotating the cooling drum and scraping the generated ice on the surface with a blade to collect ice powder or grains.

In the prior art, the cooling drum is configured to rotate in a nested state, and the interior of the cooling drum is formed as an empty space so that the cooling oil introduced through the hollow rotation shaft in the transverse direction stays on the bottom of the cooling drum, And to exit through the formed outlet. Since the cooling drum rotates, the cooling oil staying on the bottom of the cooling drum exerts the effect of cooling the entire cooling drum.

Korean Patent No. 10-1552613 (2015.09.07) Korean Utility Model No. 20-1999-0022144 (June 25, 1999)

The present invention aims at efficiently cooling the cooling drum even when a small amount of cooling oil is circulated. It is also intended to improve the processing convenience of such a cooling drum, thereby reducing manufacturing costs.

Other objects and advantages of the present invention will become apparent to those skilled in the art from the following detailed description.

According to an embodiment of the present invention, there is provided a cooling drum that rotates in conjunction with left and right rotary shafts on which a flow path for cooling oil flows, comprising: a cylindrical body connected to and rotated by one rotary shaft; An inner body for forming a passage through which cooling oil flows along the inner circumferential surface of the cylindrical body, an inlet disk for branching the cooling oil introduced into the inlet of the rotary shaft and introducing the cooling oil into the passage between the inner body and the cylindrical body, And an outflow disc for guiding cooling oil discharged through the passage to an outlet formed in the other rotary shaft.

At this time, the passage may be radially divided by a plurality of partition walls formed between the inner body and the gap of the cylindrical body.

Further, the inner body or the cylindrical body may be provided with a plurality of walls forming a zigzag flow path along the longitudinal direction of the cylindrical body.

Furthermore, the edge of the outflow disc is provided with a cutout portion through which cooling oil flows in correspondence with the end of the zigzag flow passage. On one surface of the outflow disc contacting with the inner surface, And a converging groove for collecting the cooling oil introduced through the cutout portion may be formed on the other surface of the outflow disc.

According to the embodiment of the present invention, since the outer circumferential surface of the cooling drum can be maintained at an even low temperature, the cooling efficiency is increased. Particularly, even when the cooling drum slowly rotates, the problem that only the bottom portion of the cooling drum is cooled is solved. The convenience of manufacturing is improved, and the production cost can be reduced.

The effects of the present invention will be clearly understood and understood by those skilled in the art, either through the specific details described below, or during the course of practicing the present invention.

1 is a front view of a cooling drum for an ice maker according to an embodiment of the present invention;
FIG. 2 is a perspective view of the main part separately employed in the embodiment shown in FIG. 1; FIG.
Fig. 3 is a perspective view showing the use state of the inner body employed in the embodiment shown in Fig. 1. Fig.
FIG. 4 is a perspective view of an outflow disc employed in the embodiment shown in FIG. 1; FIG.
5 is a perspective view showing the operation of the main part of the embodiment shown in Fig.

DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, the structure, function, and operation of a cooling drum for an ice maker according to the present invention will be described with reference to the accompanying drawings. It should be noted, however, that the same reference numerals are used for the same or similar components throughout the drawings.

BRIEF DESCRIPTION OF THE DRAWINGS The accompanying drawings, which are incorporated in and constitute a part of the specification, illustrate embodiments of the invention and, therefore, are not to be construed as limiting the technical spirit of the invention. It is to be understood that the invention is not to be limited by any of the details of the description to those skilled in the art from the standpoint of a person skilled in the art that any or all of the drawings shown in the drawings are not necessarily the shape,

1 shows a cooling drum according to an embodiment of the present invention, and a main configuration for cooling oil supply to a cooling drum and rotation of the cooling drum.

The outer shape of the cooling drum 100 is used to cool water sprayed on the outer circumferential surface in a substantially cylindrical shape, and a blade (not shown) is provided adjacent to the outer circumferential surface of the cooling drum to generate powder or granular ice The ice maker can be constructed.

1, the rotation shaft 200 is coupled to the left and right sides of the cooling drum 100. As is well known, the rotary shaft 200 includes a plurality of bearings and a sealing member, and a flow passage 210 through which cooling oil flows is formed at the center of the rotary shaft 200.

In the drawing, cooling oil is supplied to the oil passage 210 formed in the left rotary shaft 200. After passing through the cooling drum 100, the cooling oil is discharged through the oil passage 210 formed in the rotary shaft 200 on the other side . This cooling oil can be supplied to the cooling drum at a certain temperature level through a cooling cycle means not shown.

The left and right rotating shafts 200 are fixed to the cooling drum 100 and the pulleys 220 and the like are coupled to the rotating shaft 200 on the other side so that the cooling drum is rotated .

Fig. 2 shows a main structure of the cooling drum.

A cooling drum 100 according to an embodiment of the present invention includes a cylindrical body 10, an inner body 20, an inlet disk 30, and an outlet disk 40. And may further include a finishing cap 60 before and after finishing the inflow disc 30 and the outflow disc 40.

The cylindrical body 10 is provided with a cylinder of a thin thickness, and the outer circumferential surface of the cylindrical body 10 is used to condense the sprayed water. The cylindrical body 10 is connected to the rotary shaft 200 through the finishing cap 60, the outflow disc 40 and the inflow disc 30.

The outer diameter of the inner body 20 is smaller than that of the cylindrical body 10 and is disposed concentrically inside the cylindrical body 10. [ Positioning of the inner body 20 with respect to the cylindrical body 10 is carried out through the inflow disc 30 and the outflow disc 40 which are joined to the inner body 20 by welding or the like before and after the inner body 20.

A space is formed between the outer circumferential surface of the inner body 20 and the inner circumferential surface of the cylindrical body 10, and this space serves as a passage through which the introduced cooling oil flows. Thus, the internal body 20 occupies a certain volume in the cylindrical body, so that the introduced cooling oil flows along the inner peripheral surface of the cylindrical body 10, so that the cooled cooling oil is preferably as large as the inner peripheral surface of the cylindrical body 10 . As a result, heat exchange between the cylindrical body and the cooling oil can be achieved over a wider area. Also, even if a small amount of cooling oil is used, the cooling efficiency with respect to the inner circumferential surface of the cylindrical body can be increased.

The inflow disc 30 and the outflow disc 40 are coupled before and after the inner body 20. The inner body 20 may be made of a hollow tube to lighten the weight of the inner body 20 by closing the front and rear of the hollow hole of the inner body 20 To prevent the cooling oil from flowing into the heat exchanger.

In addition, a heat insulating material may be provided in the hollow inner space at the center of the inner body 20. [ The heat insulating material blocks the cooling heat transfer to the inner space of the inner body, thereby concentrating the cooling heat between the inner body and the cylindrical body, thereby minimizing the cooling heat loss of the cooling oil.

The inflow disc 30 branches the cooling oil supplied from the rotary shaft 200 and introduces the cooling oil into the passage between the inner body 20 and the cylindrical body 10. To this end, a central groove 31 communicating with the end of the flow path of the rotary shaft is formed in the inflow disc 30, and branch grooves 32 communicating with the central groove 31 and branched radially from the center are formed. An injection hole 33 is formed at an end of the branch groove 32 to allow the cooling oil to pass through the inlet disk 30 and into the passage between the internal body 20 and the cylindrical body 10.

The central groove 31 and the branch grooves 32 are formed in the inflow disc 30 and the finishing cap 60 is covered in front of the inflow disc to make the center groove 31 and the branch grooves 32 communicate with each other. . Alternatively, in the case of a three-dimensional printer or the like, the inflow disc having the shape of the central groove and the branch groove and the finishing cap covering the inflow disc may be integrally formed.

On the other hand, the outflow disc 40 collects the cooling oil passing through the passage between the inner body 20 and the cylindrical body 10 and functions to guide the cooling oil to the flow path of the rotating shaft located on the other side. For this purpose, a flow path for collecting cooling oil is formed in the outflow disc 40. This flow path may be constituted by radial grooves formed in the outflow disc 40 and a finishing cap 60 in contact with the backside of the outflow disc and, as with the inflow disc described above, Can be integrally manufactured. The flow path shape of the outflow disk for converging the cooling oil will be described later in detail.

With reference to Figures 2 and 3, further optional features of the inner body are described.

The passage between the inner body 20 and the cylindrical body 10 is partitioned into several spaces in a radial direction of the circular cross section by a plurality of partition walls 21 formed between the inner body 20 and the cylindrical body 10 . The partition 21 protrudes from the outer circumferential surface of the inner body 20 or may protrude from the inner circumferential surface of the cylindrical body toward the inner body.

The partition 21 is formed in accordance with the longitudinal direction of the passage (longitudinal direction of the divided cylindrical body, the transverse direction in FIG. 1). In the illustrated embodiment, the partition 21 protrudes from the inner body 20 Respectively.

A plurality of partition walls 21 are arranged radially from the center of the inner body 20, and the cylindrical passage through which the cooling oil passes by the partition walls 21 is divided into several sections. The partition wall 21 corresponds to the length of the passage, and both end portions in the longitudinal direction reach the front end and the rear end of the inner body 20.

In Fig. 3, three partition walls 21 are erected, thereby showing that the passage of the donut-shaped cross section is divided into three spaces. In FIG. 3, a part indicated by shaded means one space S partitioned.

The partition 21 formed between the inner body 20 and the cylindrical body 10 divides the cylindrical passage into several spaces so that the cooling oil introduced into one of the divided spaces moves to another divided space prevent. The cooling oil branched through the inlet disk 30 and flowing into the partitioned spaces is discharged to the rear after staying in the space.

This allows cooling oil to stay for each divided space, so that cooling effect by cooling oil is made for each divided space.

If there is no partition, the cooling oil that is branched off from the inflow disc flows immediately along the surface of the cylindrical inner body and stays on the bottom of the cylindrical body. Therefore, the cooling effect of the cylindrical body due to cooling oil is concentrated on the bottom of the cooling drum. Particularly when the cooling drum rotates slowly, the bottom concentration of the cooling effect becomes more conspicuous. As the water for ice is sprayed from the top of the cooling drum, the place where the cooling is largely required is the upper part of the cooling drum. Therefore, rapid ice formation can not be expected without the partition wall.

In the present invention, since the partition 21 is formed, the cooling oil can stay at a position equal to or higher than the center of rotation of the cooling drum 100. [ Therefore, even if the cooling drum rotates slowly, sufficient cooling performance (condensation effect) can be maintained even at a high position.

On the other hand, the cylindrical body 10, the inner body 20, and the partition 21 can be integrally manufactured using a casting production method or a three-dimensional printer production method. In this case, the partitioning of the passages by the partition walls is more reliably achieved. Further, the cylindrical body 10, the inner body 20, the partition 21, and the wall may be integrally formed, further including a wall described later.

Furthermore, a plurality of walls 22 may be further provided in the passage between the inner body 20 and the cylindrical body 10. [ The plurality of walls 22 form a flow path for flowing the introduced cooling oil in a zigzag manner along the longitudinal direction of the cylindrical body 10 in the space S defined by the partition walls 21. [

The wall body 22 may be formed so as to protrude from the outer circumferential surface of the inner body 20, or may protrude from the inner circumferential surface of the cylindrical body toward the inner body. In the figure, the wall body 22 is shown protruding from the outer circumferential surface of the inner body 20.

The wall 22 is formed to be shorter than the partition 21, and a plurality of the wall 22 are arranged radially from the center of the inner body 20. [ One of the walls 22 starts from the front end of the inner body 20 and the end thereof does not reach the rear end. The next wall 22 adjacent to the wall starts from the rear end of the inner body 20, The ends will not reach the front end. Through the alternate arrangement of the walls 22, a flow path is formed through which the cooling oil flows staggered.

3 shows four flow paths in which four walls 22 are arranged in a partitioned space S so that the traveling direction changes four times along the longitudinal direction of the cylindrical body 10. [ The number of such walls 22 may vary from embodiment to example.

The combination of the partition 21 and the wall 22 maximizes the cooling efficiency of the cooling oil passing through the cooling drum 100. While the cooling oil flows through the zigzag flow path, the cooling fluid can cool the cylindrical body 10 for a long period of time. Further, the cooling oil flows evenly through the inner peripheral surface of the cylindrical body 10, so that almost all the area of the cylindrical body 10 can be cooled.

The zigzag flow path in the space partitioned by the partition 21 and the space partitioned by the wall body 22 reduces the phenomenon that the cooling fluid that is branched and flows in the downward direction due to gravity. Thus, regardless of the speed of the cooling drum 100, the water sprayed on the surface of the cylindrical body quickly condenses to ice.

Meanwhile, the partition 21 and the wall 22 are elongated along the longitudinal direction of the cylindrical body 10, and the main flow of the cooling oil is a lateral flow along the lateral direction. This horizontal flow causes cooling oil to flow in a direction perpendicular to the direction of gravity (horizontal direction with respect to the paper surface), contributing to reducing the influence of gravity due to rotation of the cooling drum 100 as much as possible.

If the bulkhead is formed so as to form a main flow in the longitudinal direction (circumferential direction of the cylinder), the flow of cooling oil downward in the gravity direction in the flow path formed of the jig material is performed quickly, , The cooling oil can not flow normally in the flow path.

The partition wall 21 and the wall 22 formed along the longitudinal direction of the inner body 20 or the cylindrical body 10 facilitate the manufacture of the inner body 20 and the cylindrical body 10. That is, the inner body or the wall having the same cross-sectional area is formed long, and only a part of the wall is cut.

4 to 5 relate to a disc according to an embodiment of the present invention.

At the edge of the outflow disc 40, a cutout portion 41 through which the cooling oil passes is formed corresponding to the end of the zigzag-shaped flow path. In the illustrated embodiment, there are three partitioned spaces defined by the partition walls 21, and a zigzag-shaped flow path is formed in each space. Correspondingly, three cut-out portions 41 through which the cooling oil exiting the respective flow passages are formed at the edge of the outflow disc 40.

The outflow disc 40 comes into contact with the inner body 20 to close the front and rear passages, thereby completing the flow path. That is, the flow path forms the bottom and the ceiling of the inner body 20 and the cylindrical body 10, and the partition 21 or the wall 22 forms the left and right wall surfaces, The outflow disc 40 is closed to form a trapped space.

The recessed groove 42 is formed on one surface of the outflow disc 40 in contact with the rear end of the inner body 20 so as to enlarge the flow passage correspondingly to the position where the traveling direction of the cooling oil flows in a staggered manner.

In the illustrated embodiment, the recess 42 is formed corresponding to the wall 22 that does not extend to the rear end of the inner body 20, and the wall 22 and the bottom 421 of the recess 42 The open space allows the cooling oil to change direction. This makes it possible to smoothly change the direction of cooling oil.

On the other side of the outflow disc 40, there is formed a converging groove 43 for collecting the cooling oil passed through the cutout portion 41. The cooling oil collected at the center of the back surface of the outflow disc through the converging grooves 43 is recovered through the oil passage 210 of the other rotary shaft 200 shown in FIG.

The recessed groove 42 formed on one surface of the outflow disc 40 may be formed on the above-described inflow disc.

The cooling drum for an ice maker according to the present invention is characterized in that not only an ice maker in which water is sprayed on the surface of a cooling drum to generate ice but also water which is in contact with a part of the cooling drum in water contained in the water tank, It is also applicable to an ice-maker of a condensing type.

100: cooling drum
10: Cylindrical body
20: inner body 21: partition wall S: space 22: wall
30: inflow disc 31: central groove 32: branch groove 33: injection hole
40: outflow disc 41: incised section 42: depression groove 421: bottom 43: converging groove
60: Finishing cap
200: rotation shaft 210: passage 220: pulley

Claims (4)

A cooling drum connected to and rotated by right and left rotary shafts on which flow paths for cooling oil flow are formed,
A cylindrical body connected to one rotating shaft and rotating,
An inner body which is located apart from the inner peripheral surface of the cylindrical body and forms a passage through which cooling oil flows along the inner peripheral surface of the cylindrical body,
An inlet disk for branching the cooling oil introduced into the inlet of the rotary shaft and introducing the oil into the passage between the inner body and the cylindrical body;
And an outflow disk for guiding cooling oil discharged through the passage to an outlet formed in the other rotary shaft,
Wherein the passage is radially defined by a plurality of partition walls formed between the inner body and the gap of the cylindrical body,
In the inner body or the cylindrical body,
A plurality of walls for forming flow paths in a zigzag shape along the longitudinal direction of the cylindrical body,
Wherein an edge portion of the outflow disc is formed with a cutout portion through which cooling oil flows in correspondence to the end of the zigzag flow path,
A depressed groove is formed on one surface of the outflow disc in contact with the inner body so as to enlarge the flow path correspondingly to a position where the traveling direction of the cooling oil flows in a zigzag manner,
And a converging groove for collecting the cooling oil introduced through the cut-out portion is formed on the other surface of the outflow disc
Cooling drum for ice maker.
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KR1020160000723A 2016-01-05 2016-01-05 Cooling Drum for ice machine KR101742312B1 (en)

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KR1020160000723A KR101742312B1 (en) 2016-01-05 2016-01-05 Cooling Drum for ice machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020160000723A KR101742312B1 (en) 2016-01-05 2016-01-05 Cooling Drum for ice machine

Publications (1)

Publication Number Publication Date
KR101742312B1 true KR101742312B1 (en) 2017-05-31

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KR1020160000723A KR101742312B1 (en) 2016-01-05 2016-01-05 Cooling Drum for ice machine

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006008203A1 (en) 2004-07-16 2006-01-26 Brema Ice Makers Spa Cooling cylinder for ice-flake making apparatus
JP2008095999A (en) * 2006-10-06 2008-04-24 Hoshizaki Electric Co Ltd Ice making drum of drum type ice making machine
US20110023522A1 (en) * 2009-07-30 2011-02-03 Hoshizaki Denki Kabushiki Kaisha Evaporator for a drum type ice making machine and method for manufacturing the evaporator

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006008203A1 (en) 2004-07-16 2006-01-26 Brema Ice Makers Spa Cooling cylinder for ice-flake making apparatus
JP2008095999A (en) * 2006-10-06 2008-04-24 Hoshizaki Electric Co Ltd Ice making drum of drum type ice making machine
US20110023522A1 (en) * 2009-07-30 2011-02-03 Hoshizaki Denki Kabushiki Kaisha Evaporator for a drum type ice making machine and method for manufacturing the evaporator

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