JP2000105041A - Ice making machine - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent a flat plate type ice from breakage by receiving the flat plate type ice released from respective ice making chambers of an ice making machine by fusing with a downwardly moving ice pan without giving any big shock, in a cell type ice making machine. SOLUTION: The downward movement of a water pan 22 in an ice making machine is constituted of a first stage parallel movement moving the water pan 22 in parallel to an ice making vessel 21 downward under horizontal condition, and a second stage of slanting motion pivoting the fore end side of the water pan 22 downward about the supporting point at the rear end side of the water pan 22. In this case, the ice 11 is received by the water pan 22 under the horizontal condition (the first stage) to mitigate a shock, while the received ice 11 is transferred by gliding the same on the surface of the water pan 22 through the slanting motion (the second stage) of the water pan 22.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an ice maker, and more particularly to an ice maker for producing flat ice having a plurality of ice cubes integrated in a thin plate-like connecting portion, a so-called cell type ice maker. About.

[0002]

2. Description of the Related Art As one type of ice making machine, for example, as disclosed in Japanese Utility Model Publication No. 60-38122 and Japanese Utility Model Publication No. 5-37175, an ice making machine having a plurality of ice making chambers opening downward is disclosed. A water tray which has a plurality of ejection holes for supplying ice-making water to each ice making chamber, is arranged movably up and down below the ice maker, and closes a lower end opening of each ice making chamber; There is an ice maker of a type provided with driving means for opening each ice maker.

In the ice maker of this type, an ice making operation is performed while ice making water is supplied to each ice making chamber from each ejection hole of the water tray in a state where each ice making room is closed with a water tray. While melting the ice formed between each ice making room and the water tray of the ice maker, the water tray is moved down by the operation of the driving means and peeled off from the ice maker, and the flat ice which is melted and separated from the ice maker is removed. De-icing operation to be received on the peeled water dish,
The plate-shaped ice received on the water tray is conveyed to the bag filling process by sliding the surface of the water tray in an inclined state.

[0004]

However, the ice produced by the ice maker of this type is transported to a bag-packing process while being kept in a flat shape, and is packed in a bag. Have been. For this reason, when ice is received on a water tray in the deicing operation of the ice maker of this type or when the ice received on the water tray is conveyed, flat ice is separated into many ice cubes. Must be avoided.

[0005] However, in the ice making machine disclosed in the above-mentioned publication, plate-like ice melted from the ice making machine and separated from each ice making room is dropped on a tilted water tray, and the momentum is generated. When the ice falls on the water tray, the flat ice is broken by a lot of ice cubes.

On the other hand, the ice maker disclosed in the latter publication addresses such a problem, and is provided with an ice receiving plate for buffering falling of flat ice onto a water tray. The purpose is to lower the flat ice while supporting it with the ice tray and a part of the water tray, and to make a soft landing on the water tray without giving an impact. According to this means, the flat ice is not destroyed, but a driving means for controlling the rotation of the ice receiving plate in conjunction with the tilting of the water tray separately from the rotation control means of the water tray. And control means, which increases the cost of the ice maker.

Further, in the ice making machine, if the flat ice is in a supercooled state, it may be broken while being supported by the ice tray and a part of the water tray. Furthermore, the ice received on the water tray is transported by sliding on the surface of the water tray in a natural fall state according to the inclination of the water tray, and when the flat ice does not slide smoothly, May be destroyed by a large number of ice cubes.

SUMMARY OF THE INVENTION Accordingly, an object of the present invention is to provide an ice machine of the type described above, in which a plate-like ice melted and released from each ice making chamber of the ice machine is subjected to a large impact on a downward moving water tray. Another object of the present invention is to prevent the destruction of the flat ice by receiving the flat ice, and to transport the flat ice received on the water tray by smoothly sliding the surface of the water tray.

[0009]

SUMMARY OF THE INVENTION The present invention relates to an ice maker,
Particularly, the present invention is applied to an ice maker of the following type. That is, the present invention provides an ice maker having a plurality of ice making chambers opened downward, and a plurality of ejection holes for supplying ice making water to each of the ice making chambers, and is arranged to be vertically movable below the ice maker. A water tray that closes a lower end opening of each ice making chamber, and a driving unit that moves down the water tray to open each ice making chamber, wherein each ice making chamber is closed with the water tray. The ice making operation is performed while supplying ice-making water from the outlets of the water tray to the ice making chambers.After the ice making operation is completed, flat ice formed between the ice making chambers of the ice maker and the water tray is removed. While melting, the water tray is moved down by the operation of the driving means and peeled off from the ice maker, and flat ice which is melted and separated from the ice maker is received on the peeled water tray. The present invention is applied to an ice maker of a type that performs a deicing operation.

According to the present invention, there is provided an ice making machine of the type described above, wherein the downward movement of the water tray is carried out by moving the water tray horizontally downward with respect to the ice making machine in a first stage. It is characterized in that the operation is performed in two stages of an operation and a second-stage tilting operation in which the front end rotates downward with the support portion on the rear end of the water tray as a base point.

In the ice making machine according to the present invention, the driving means abuts against the water tray and pushes the water tray downward during rotation so as to peel off the ice tray from the ice making machine; A cam and the water tray are connected, the water tray is kept horizontal when the water tray is peeled off from the ice maker, and the water tray is tilted by the subsequent rotation of the pushing cam. A configuration including a plurality of connecting arms to be supported can be adopted.

Further, in the ice making machine according to the present invention, flat ice received on the water tray by operating in conjunction with the tilting operation of the water tray is provided at the rear end of the water tray. It is possible to adopt a configuration provided with a pushing means for pushing from the back.

In this case, the pushing means comprises a pushing rod located on the rear end of the water tray, which is located on the back of a plate-shaped ice received by the water tray, and a pushing rod which is attached to the water tray. A spring member connected to the rear end of the dish, and a tension wire connected to the pushing rod and engaged with the water dish during the tilting operation of the water tray to be pulled to pull the pushing rod forward. Can be provided.

Further, in the ice making machine according to the present invention, a plurality of ribs protruding upward in a triangular shape may be provided on the surface of the front end of the water tray in the left-right direction.

[0015]

According to the ice making machine of the present invention, the downward movement of the water tray is performed by a first-stage parallel movement of horizontally moving the water tray downward with respect to the ice making device. Since it is configured to perform in two stages of the second stage tilting operation in which the front end side rotates downward with the support portion on the rear end side of the water tray as a base point, it melts and separates from each ice making chamber of the ice maker. Plate-shaped ice can be received on the horizontal water tray in the first stage in parallel operation without a large impact. For this reason, the flat ice is received on the water dish without being destroyed.

The plate-like ice received on the water tray is slid on the surface of the water tray by the subsequent tilting operation of the second stage of the water tray to proceed to the bagging process without breaking the flat plate state. It is conveyed and bagged efficiently in the bagging process.

In the ice making machine according to the present invention, as means for lowering the water tray in the above-described two-stage manner, the driving means is brought into contact with the water tray to push the water tray downward during rotation. A push cam to be peeled off from the ice maker, the push cam and the water tray are connected to hold the water tray in a horizontal state when the water tray is peeled off from the ice maker, and by the subsequent rotation of the push cam, A configuration including a plurality of connecting arms that support the water tray in an inclined state can be provided.

According to this structure, apart from the water tray driving means, another special driving means for controlling the rotation in conjunction with the tilting operation of the water tray, such as a conventional ice maker of this type, is provided. No control means is required, and the cost of the ice making machine does not increase.

In the ice making machine according to the present invention, in addition to the above-described two-stage lowering operation, the water tray is operated at the rear end of the water tray in conjunction with the tilting operation of the water tray. Pushing means can be provided for pushing the flat ice received from the back from the back. According to this configuration, the pushing force of the pushing means is applied to the flat ice received on the water tray during transportation, and the ice slides smoothly and reliably on the surface of the water tray.

In this case, the pushing means is constituted by a pushing rod located on the rear end of the water tray, on the back of a flat ice plate received by the water tray, and a pushing rod attached to the rear end of the water tray. And a tension wire connected to the push rod and engaged with the water tray during the tilting operation of the water tray and pulled to pull the push rod forward. . According to this configuration, since the operating force at the time of tilting the water tray can be used as it is as the driving force for driving the pushing rod, no special driving means for driving the pushing rod is required. It is.

Further, in the ice making machine according to the present invention, in addition to the above-described two-stage lowering operation, a plurality of ribs protruding upward in a triangular shape are provided on the upper surface of the front end of the water tray in the left-right direction. It can be provided. According to such a configuration, the plate-shaped ice immediately rides on each rib when sliding on the surface of the water dish and forms a gap between the ice and the surface of the water dish,
When the surface of the water dish is slid, it is possible to prevent water droplets existing on the surface of the water dish from adsorbing to the surface of the water dish and from being caught by a large number of ice making water jet holes that are opened on the surface of the water dish. For this reason, the flat ice slides more smoothly on the surface of the water dish.

[0022]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below with reference to the drawings. FIG. 1 and FIG. 2 show a flat ice 11 packed in a bag. The flat ice 11 (hereinafter sometimes simply referred to as ice 11) is manufactured by an ice maker 20 constituting the ice manufacturing apparatus shown in FIG. It is packed by the filling device 30.

The ice 11 shown in FIGS. 1 and 2 has a thin plate-like connecting portion 11a and a number of ice cube portions 11 formed integrally on the connecting portion 11a and partitioned by a number of slits 11b.
c. The ice 11 is accommodated in a transparent bag 12 made of two upper and lower resin films 12a and 12b. In use, the ice 11 is taken out of the bag 12, and each ice cube portion 11c is cut along each slit 11b. Separate into individual ice cubes.

The ice making machine 20 constituting the ice making apparatus is
As shown in FIGS. 3 and 4, the ice making section 20a and the movable mechanism section 20b are disposed above the frame F1 of the machine.
And an ice making water tank 20c disposed at a corner at the bottom of the frame F1.

The ice making section 20a includes an ice maker 21 and a water tray 2
The ice making device 21 includes a rectangular box-shaped frame portion 21a having a top wall portion and opening downward, and a plurality of ice making portions located in the frame portion 21a. It is composed of a number of partition walls 21c partitioned into a chamber 21b and a cooling unit 21d arranged on the top wall of the frame 21a.
Is formed slightly shorter than the surrounding wall portion. Ice making room 2
1b has a shape corresponding to each ice cube portion 11c of the ice 11. The cooling part 21d is an evaporator formed by bending a pipe having good heat conductivity many times, and cools the inside of each ice making chamber 21b of the ice maker 21 with a cooling medium flowing inside during the ice making operation. During the deicing operation, the ice in each ice making chamber 21b of the ice making chamber 21 is melted by the hot gas supplied to the inside.

The water tray 22 is supported by a movable mechanism portion 20b, which will be described later, and is arranged below the ice making portion 20a. The water tray 22 has an upper dish portion 22a and a plurality of water trays arranged on the lower surface side of the upper dish portion 22a. The water supply passage 22b includes a funnel-shaped catching water portion 22c that guides water flowing down from the upper plate portion 22a to the lower ice making water tank 20c, and has an upper surface of the upper plate portion 22a and an upper surface of the water supply passage 22b. A spouting hole 22d facing the lower end opening of each ice making chamber 21b is formed.

The water supply passage 22b is provided with an ice making water tank 20c.
The ice making water stored in the ice making water tank 20c is connected to the water supply passage 22 by driving the water supply pump 23a.
b. The supplied ice making water is supplied to each ice making chamber 21b through each ejection hole 22d.

A plurality of ribs 22e are formed at the front end of the surface of the upper plate 22a. Each rib 22
“e” has a triangular mountain shape, and has a mountain shape protruding upward so that the front end side becomes gradually higher, and is juxtaposed with a predetermined interval in the left-right direction.

The water tray 22 is disposed with the surface of the upper plate 22a in contact with the lower end of the peripheral wall of the frame 21a of the ice maker 21, and the surface of the upper plate 22a and each partition wall are provided. A predetermined gap is secured between the lower end of 21c. The gap forms a connecting portion 11a of the flat ice 11, and each of the ice cube portions 11b formed in each of the ice making chambers 21b is integrally connected to the connecting portion 11a. The surface of the upper plate 22a is also supplied with water from a water supply source (not shown) through a water supply pipe 23c provided in the frame F1.

The movable mechanism 20b includes a pair of left and right drive arms 24, first, second, and third connecting arms 25a, 25b,
25c, a tension spring 26a, a tension wire 26b, a push rod 27 and a drive motor 28. The drive arm 24 includes a circular main body 24a,
The left and right drive arms 24 are connected to each other via a rotation shaft 24c. The rotation shaft 24c is connected to a portion of the circular main body 24a of the drive arm 24 that is offset from the center portion.
4b is protruded vertically upward, and the lower end edge of the outer periphery of the circular main body 24a is brought into contact with the left and right side edges of the water dish 22. Thus, the circular main body 24 a of the drive arm 24 functions as a push cam for pushing the water tray 22.

Of the connecting arms 25a, 25b, 25c, the first connecting arm 25a is
The upper end thereof is rotatably connected to the upper end of the arm portion 24b of the drive arm 24, and the lower end thereof is connected to the side of the collecting water portion 22c of the water tray 22. Have been. A long hole 25a1 extending in the longitudinal direction is formed at the lower end of the first connecting arm 25a.
The connecting pin 22c1 protruding from the front of the side of the c is a long hole 25a1.
The first connecting arm 25a and the water tray 22 are connected to each other so as to be movable.

The second connecting arm 25b is
And the third connection arm 25c, one end of which is rotatably connected to the circular body 24a of the drive arm 24, and the other end of which is rotatably supported by the frame F1. It is connected to one end of the third connection arm 25c. One end of the second connection arm 25b is connected to a portion of the circular body 24a of the drive arm 24 that is higher than the connection portion of the rotation shaft 24c. The other end of the second connecting arm 25b has an elongated hole 25b1 extending in the longitudinal direction.
Is formed, and a connecting pin 25 for rotatably connecting one end of the third connecting arm 25c to a side of the water collecting portion 22c.
The second connecting arm 25b is connected to the drive arm 24 and the third connecting pin 25c by movably fitting c1 into the long hole 25b1.

In the movable mechanism 20b, the drive arm 24, the first, second, and third connecting arms 25a, 25b, 2
5c, the water tray 22 is supported.
Is located below the ice maker 21 in FIG.

The pushing rod 27 is connected to the collecting water section 2 of the water tray 22.
2c is movably mounted on the left and right upper end portions.
A pair of left and right tension springs 26a hooked to the rear end wall portion 2c are hooked. The other end of the pulling wire 26b whose one end is hooked on the side of the frame F1 is connected to each end of the pushing rod 27. Tension wire 26
b is inclined downward from the end of the push rod 27,
It extends to the front end side by a predetermined amount below the engaging pin 22f projecting from the side of the second collecting water portion 22c.

The ice making machine 20 is controlled by a known control device (not shown) in four steps of an ice making operation, a water tray lowering operation, a de-icing operation, and a water tray raising operation. The part 20a and the movable mechanism part 20b are in the state shown in FIGS. 4 and 5A. In this state, the ice making chamber 21b of the ice maker 21 is closed by the upper plate portion 22a of the water tray 22, and during the ice making operation, a cooling medium is circulated and supplied from a known refrigerating device to the cooling section 21d to make the ice making chamber 21d. Is cooled. During this time, the water supply pump 23a is driven,
The ice making water in the ice making water tank 20c is supplied to the water supply passage 22b of the water tray 22, and the supplied ice making water is supplied to each ejection hole 2c.
It is jetted from 2d and supplied to each ice making chamber 21d. A part of the supplied ice making water is frozen in the ice making room 21b, and the rest is returned to the ice making water tank 20c through the collecting water part 22c.

When the ice making operation is performed for a predetermined time, the ice making chamber 21b is operated.
The plate-like ice 11 is formed between the upper plate portion 22a and the upper plate portion 22a, and the thermistor (not shown) provided in the ice maker 21 detects this,
An ice-making completion detection signal is output to the control device. As a result,
The control device switches the ice making machine 20 from the ice making operation to the de-icing operation and drives the movable mechanism 20b.

In the deicing operation, the cooling unit 21d of the ice maker 21
Hot gas is supplied from a known refrigeration apparatus, and the supply of ice making water from each ejection hole 22d is continued,
At the same time, ice making water is sprinkled from the water supply pipe 23c onto the upper plate portion 22a of the water plate 22. The ice making water supplied during this time is returned to the ice making water tank 20c via the collecting water part 22c. As a result, a state is formed in which the upper plate portion 22a of the water tray 22 is easily separated from the ice 11 formed in the ice making chamber 21b.

The supply of ice-making water from the ice-making water tank 20c and the supply from the water supply pipe 23c are timer-controlled by the control device and are stopped after a predetermined time has elapsed, and then the driving of the movable mechanism 20b is started. You. The drive of the movable mechanism 20b is started by the drive of the drive motor 28. The driving of the driving motor 28 causes the driving arm 24 to rotate clockwise in the drawing.

By the rotation of the drive arm 24, the cylindrical main body 24a functions as a push cam, and rotates to push down the water tray 22 as shown in FIG. Vessel 2
1 is separated from the ice 11 frozen. During this time, the first
The connecting arm 25a and the second connecting arm 25b try to move downward while rotating with the rotation of the drive arm 24, but until the water tray 22 is separated from the ice 11, the connecting arms 25a and 25b Slots 25a1, 25b1
The movement of the connecting arms 25a, 25b is restricted by the action of the connecting pins 22c1, 25c1.

When the water tray 22 peels off the ice 11, the first
The second connecting arms 25a and 25b rotate downward with the rotation of the drive arm 24 and move downward to
5c, the water tray 22 is connected to these connecting arms 25a.
-25c and gradually descends while maintaining a horizontal state. During this time, the projection 24d provided on the rotating shaft 24c of the drive arm 24 contacts the switch sw1, the switch sw1 operates to stop the drive motor 28, and
As shown in (c), the ice maker 21 is supported horizontally by a predetermined amount below the ice maker 21.

By the operation of the switch sw1, water is supplied from the water supply pipe 23c onto the upper plate portion 22a of the water tray 22 for a predetermined time, and the remaining ice frozen on the surface of the upper plate portion 22a is melted to melt the upper plate portion. Clean the surface of the part 22a. Water supply pipe 23
Is supplied to the ice making water tank 20c through the collecting water section 22c. Ice making room 2 of ice maker 21
The ice 11 frozen to 1b is separated from the ice making chamber 21b by the melting action of the hot gas supplied to the cooling section 21d and the melting action of each supply water, and the upper plate section 22a of the water tray 22
Slowly fall on the surface.

The falling of the ice 11 onto the surface of the upper plate portion 22a is detected by a thermistor (not shown) provided in the ice making device 21, the supply of hot gas to the cooling portion 21d is stopped, and the deicing operation is completed. The ice making machine 20 is switched to a state where the ice making operation can be started.

The drive of the drive motor 28 is resumed, and the drive arm 24 further rotates clockwise in the figure. Therefore, the first and second connecting arms 25a and 25b move downward while rotating further, and the first connecting arms 25a and 25b move downward.
In FIG. 5A, the front end of the water tray 22 is pushed downward to rotate the water tray 22, and as shown in FIG. 5D, the water tray 22 is inclined forward and downward.

When the water tray 22 rotates forward,
The pulling wire 26b is engaged with the engaging pin 22f provided on the water tray 22, and the pulling wire 26b is pulled downward by the engaging pin 22f. As a result, the pushing rod 27 connected to both the pulling wires 26b is moved by the tension spring 26.
5A, the pushing rod 27 is pulled forward in FIG.
As shown in (d), the ice 11 is moved forward by a predetermined amount while being pushed from the back. As a result, the ice 11 slides on the surface of the upper plate portion 22a of the water tray 22 and rides on the ribs 22e at the front edge in a flat state, and forms a gap with the upper surface of the upper plate portion 22a. Then, it smoothly moves forward in the non-contact state, and is conveyed to the bag filling device 30 disposed in the front.

At this point, the projection 24 of the drive arm 24
d contacts the switch sw2, operates the switch sw2 to temporarily stop the drive motor 28, and then drives the drive motor 28 in the reverse direction to rotate the drive arm 24 counterclockwise in the figure. When the drive arm 24 rotates counterclockwise in the drawing and the projection 24d contacts the switch sw3, the switch sw3 operates to stop the drive motor 28 and stop the rotation of the drive arm 24. Then, the water supply pump 23
a is driven to supply the ice making water to the ice making chamber 21b of the ice making device 21, and the ice making operation is restarted.

While the drive arm 24 is rotated back, the connecting arms 25a, 25b, 25c are rotated upward in the opposite direction to the downward movement of the water tray 22 with the rotation of the drive arm 24. Then, the water tray 22 is returned from the downwardly inclined state shown in FIG. 5D to the ice making operable state shown in FIG. 5A through the horizontal state shown in FIGS. 5C and 5B.

The ice 11 transported to the bagging device 30 side
Is pushed by the pushing mechanism 30a, and both resin films 12
a and 12b, the resin film 12a and 12b are sealed by the sealing mechanism 30b and packed in the bag, and the rear of the rear seal portion of the bag 12 is cut by the cutting mechanism 30c and is not shown. Conveyed to frozen stoker.

According to the ice making machine 20, the downward movement of the water tray 22 is performed by moving the water tray 22 horizontally downward with respect to the ice making machine 21 as shown in FIG. This is performed in two stages: a first-stage parallel operation to be performed, and a second-stage tilting operation in which the front end rotates downward with respect to the support portion at the rear end of the water tray 22 as shown in FIG. As a result, the flat plate-shaped ice 11 that melts and separates from each ice-making chamber 21b of the ice-making device 21 is placed on the upper plate portion 22a of the first parallel horizontal water tray 22 that operates in parallel. (Hereinafter referred to as the surface of the water tray 22) can be received without giving a large impact. For this reason, the flat ice 11 is received on the surface of the water tray 22 without being destroyed.

The plate-like ice 1 received on the surface of the water tray 22
1 is slid on the surface of the water tray 22 by the subsequent second-stage tilting operation of the water tray 22, and is conveyed to the bag filling device 30 without destroying the flat state. Will be packed.

In the ice making machine 20, the water tray 2
As a means for performing the two-stage downward movement described above, the movable mechanism 20b, which is a driving means of the water tray 22, is brought into contact with the water tray 22 and pushes the water tray downward during rotation to rotate the ice tray 21. A driving arm 24 having a function of a push cam for peeling off the water from the ice maker 2.
The first, second, and third connecting arms 25a, which hold the water tray 22 in a horizontal state when peeled from the first and support the water tray 22 in an inclined state by the subsequent rotation of the drive arm 24.
As a configuration including 25b and 25c, the configuration of the driving means for causing the water tray 22 to perform the two-stage downward movement described above is simplified.

In the ice making machine 20, in addition to the above-described two-stage lowering operation, the water tray 22 is operated at the rear end of the water tray 22 in conjunction with the tilting operation of the water tray 22. Pushing means for pushing the flat ice 11 received by the 22 from the back is provided, and the flat ice 11 received on the water tray 22 is provided with a pushing force by the pushing means during transport. Thus, the surface of the water tray 22 is slid smoothly and reliably.

As the pushing means, a pushing rod 27 located on the rear end of the water tray 22 at the back of the ice of the flat plate 11 received by the water tray 22 and a pushing rod 27 are provided. A tension spring 26a connected to the rear end of the plate 22; and a water spring 2 connected to the pushing rod 27 when the water plate 22 is tilted.
2 is engaged with the engaging pin 22f and is pulled and pushed.
7 is provided with a pulling wire 26b for pulling the wire 7 forward. This eliminates the need for a special drive unit for driving the push rod 27 by directly using the operating force of the water tray 22 during the tilting operation as the drive force for driving the push rod 27.

In the ice making machine 20, in addition to the above-described two-stage downward moving operation, a plurality of ribs 22 e projecting upward in a triangular shape are provided on the upper surface of the front end of the water tray 22.
Is provided so that when the plate-like ice 11 slides on the surface of the water tray 22, it immediately rides on the ribs 22e to form a gap with the surface of the water tray 22. Thereby, when the ice 11 slides on the surface of the water tray 22 in a flat plate shape,
2 is prevented from adsorbing to the surface of the water tray 22 by water droplets present on the surface of the water tray 2 and being caught by a large number of ejection holes 22d formed on the surface of the water tray 22. Is smoother.

[Brief description of the drawings]

FIG. 1 is a perspective view showing a state in which ice generated by applying a deicing operation according to the present invention is packed.

FIG. 2 is a vertical sectional view of the bag-packed ice.

FIG. 3 is a schematic configuration diagram of an ice making apparatus including an ice making machine to which the deicing operation is applied.

FIG. 4 is a schematic side view of the ice making machine.

FIG. 5 is side views (a) to (d) showing an operation of the ice making machine during a deicing operation.

[Explanation of symbols]

11 ... ice, 11a ... connection part, 11b ... slit, 11c
... ice cubes, 12 ... bags, 12a, 12b ... resin films,
20: ice machine, 20a: ice making section, 20b: movable mechanism section,
20c: ice making water tank, 21: ice making machine, 21a: frame part,
21b: ice making room, 21c: partition wall, 21d: cooling unit, 2
2 ... water tray, 22a ... upper plate part, 22b ... water supply passage, 22
c: collecting water part, 22c1: connecting pin, 22d: jet hole,
22e ... rib, 22f ... engagement pin, 23a ... water supply pump, 23b ... connection hose, 23c ... water supply pipe, 24 ... drive arm, 24a ... circular body, 24b ... arm part, 24
c: rotating shaft, 24d: projection, 25a: first connecting arm,
25a1 long hole, 25b second connection arm, 25b1 long hole, 25c third connection arm, 25c1 connection pin, 2
6a: tension spring, 26b: tension wire, 2
7 ... pushing rod, 28 ... drive motor, F1 ... frame,
sw1, sw2, sw3 ... switches.

Claims (5)

[Claims] An ice maker having a plurality of ice-making chambers opened downward, and a plurality of ejection holes for supplying ice-making water to each of the ice-making chambers, arranged so as to be vertically movable below the ice maker. A water tray for closing a lower end opening of each of the ice making chambers, and a driving means for moving down the water tray to open each of the ice making chambers, wherein each of the ice making chambers is closed with the water tray; The ice making operation is performed while supplying ice-making water from the outlets of the water tray to the ice making chambers.After the ice making operation is completed, the ice formed between the ice making chambers of the ice maker and the water tray is melted. A de-icing operation is performed in which the water tray is moved down by the operation of the driving means and peeled off from the ice maker, and the flat ice that is melted and separated from the ice maker is received on the peeled water tray. In the ice making machine, the downward movement of the water tray is performed by moving the water tray downward with respect to the ice And a second stage tilting operation in which the front end rotates downward with respect to the support at the rear end of the water tray. And an ice machine. 2. The ice making machine according to claim 1, wherein the driving means contacts the water tray, pushes the water tray downward when rotating, and peels off the ice tray from the ice maker. The pushing cam and the water tray are connected, the water tray is kept horizontal when the water tray is peeled off from the ice maker, and the water tray is rotated by the subsequent rotation of the pushing cam. An ice maker comprising a plurality of connecting arms for supporting in an inclined state. 3. The ice making machine according to claim 1, wherein a rear end of the water tray is provided with a flat plate-shaped plate which is operated in conjunction with the tilting operation of the water tray and received by the water tray. An ice making machine comprising a pushing means for pushing ice from a back. 4. The ice making machine according to claim 3, wherein said pushing means is provided on a rear end of said water tray and located on a back of a plate-shaped ice received by said water tray. A spring member for connecting the pushing rod to the rear end of the water tray; and a spring member connected to the pushing rod for engaging and pulling the water tray when the water tray is tilted. An ice making machine comprising a pulling wire for pulling a rod forward. 5. The ice making machine according to claim 1, wherein a plurality of ribs protruding upward in a triangular shape are provided on the surface of the front end of the water tray in the left-right direction. A unique ice machine.