JPH09269168A - Auger ice machine - Google Patents

Abstract

(57) [Abstract] [PROBLEMS] To prevent the failure of an auger ice making machine as much as possible. A cooling cylinder (15) having a cooler (2) pressure-fed from a refrigeration-type compressor (4) on an outer surface thereof, and an ice crusher that rotates inside the cooling cylinder (15) and is supported by bearings (17, 18) An auger 16, an auger motor 45 for driving the auger 16 for ice cutting, and an accumulating means for accumulating energization time to the auger motor 45 are provided.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an auger-type ice making machine for continuously producing ice chips (chip ice).

[0002]

2. Description of the Related Art Conventionally, an auger type ice making machine of this type has an auger inserted in a cooling cylinder having an evaporating pipe of a cooling device attached to the outer periphery thereof as disclosed in, for example, Japanese Patent Laid-Open No. 3-95374 (F25C1 / 14). Then, the ice grown on the inner wall of the cooling cylinder is scraped by the rotation of this auger and sent upward (raised), compressed by the upper bearing for ice compression molding attached to the upper part of the cooling cylinder, and ice pieces ( Chip ice) is produced continuously.

[0003]

The upper bearing is usually 2
It is necessary to replace it after about 0000 hours of operation. This has a problem that if the upper bearing is worn and continued to be used, the auger comes into contact with the inner wall of the cooling cylinder to cause a failure. The present invention has been made in order to solve the conventional technical problems, and provides an auger type ice making machine aiming to prevent the failure of the auger ice making machine as much as possible.

[0004]

According to the present invention, there is provided an auger type ice making machine having a cooling cylinder equipped with a cooler on the outer surface thereof, the cooling cylinder being pressure-fed from a compressor of a refrigeration system, and rotating inside the cooling cylinder. Provided is an auger type ice making machine including an ice crushing auger supported by bearings, an auger motor driving the ice crushing auger, and integrating means for integrating the energization time to the auger motor.

Therefore, it is possible to prevent contact of the ice-breaking auger with the cooling cylinder due to wear of the bearing. Further, the auger type ice making machine according to a second aspect of the present invention provides the auger type ice making machine according to the first aspect, further comprising alarm means for issuing an alarm when the accumulated energizing time to the auger motor exceeds a predetermined time. .

Therefore, it is possible to prevent the ice auger from coming into contact with the cooling cylinder as much as possible due to the wear of the bearing, and it is possible to show the user a limit of the service life. Further, the auger type ice making machine according to the invention of claim 3 is provided with a bearing for supporting the auger for ice cutting, and the auger type ice making machine according to claim 1 or 2 which clears the accumulated time of the accumulating means after the bearing is exchanged. I will provide a.

Therefore, it is possible to prevent the ice auger from coming into contact with the cooling cylinder as much as possible due to the wear of the bearing, and it is possible to show the user the limit of the service life. Further, since the accumulated time is cleared after the bearing is replaced, it is possible to know the time when the consumable should be replaced no matter how many times it is replaced. The auger type ice making machine according to the invention of claim 4 is
An auger type ice making machine according to claim 1, 2 or 3 for displaying a difference between a predetermined time and an integrated time.

Therefore, it is possible to prevent the ice auger from coming into contact with the cooling cylinder as much as possible due to the wear of the bearing, and it is possible to show the user a limit of the service life. Further, it is possible to know when the bearing should be replaced. Further, in the auger type ice making machine according to the invention of claim 5, the time display is a negative display when a predetermined time has passed.
Provided is the described auger type ice making machine.

Therefore, it is possible to prevent the ice auger from coming into contact with the cooling cylinder as much as possible due to the wear of the bearing, and it is possible to show the user the limit of the service life. Further, it is possible to know when the bearing should be replaced. In addition, it is possible to grasp how many hours have elapsed even after the time when the bearings should be replaced.

[0010]

Embodiments of the present invention will be described below in detail with reference to the drawings. FIG. 1 is a vertical sectional side view of an auger type ice making machine IM of the present invention, FIG. 2 is a circuit diagram of the auger type ice making machine IM of the present invention, and FIG. 3 is a flowchart of the present invention. The auger type ice making machine IM is provided with an ice storage configured in an insulated box and stores the ice made in this ice storage. It is used not only as an ice making machine but also in vending machines and the like. It

This auger type ice making machine IM has an ice making section 1 provided with a cooler 2 for making ice, and a cooler 2 of this ice making section 1.
In addition, the condenser 3, the compressor 4, the expansion valve 5, and the dehydrator 6 that constitute the refrigeration cycle are connected by a refrigerant pipe. Reference numeral 7 denotes a condenser cooling blower for cooling the condenser 3. Further, in order to supply water to the ice making unit 1, there is provided a cis-turn 9 which is connected to the water pipe 8 through a water supply valve WV2 and stores tap water. An overflow pipe 10 is connected to the cis-turn 9. At the same time, the full water level switch 22
And a low water level switch 23 are provided.

Further, the water stored in the cistern 9 is introduced into the ice making section 1 by the water supply pipe 12, and unnecessary water is drained by the drain pipe 13. The drain pipe 13 is connected to the overflow pipe 10 via a drain valve WV1. In the ice making unit 1, an auger 16 is concentrically inserted into a stainless steel cooling cylinder 15 whose inner wall has a smooth cylindrical inner surface, and a pipe-shaped cooler 2 is spirally formed on an outer wall of the cooling cylinder 15. It is configured by tightly winding around. Also,
Solder is injected into the gap between the cooling cylinder 15 and the cooler 2 for the purpose of coupling them and improving the heat transfer performance.

The lower part of the auger 16 is a lower bearing 17, and the upper part of the auger 16 is an upper bearing 1 which constitutes an ice compression path.
8 is pivotally supported. In addition, the ice compressed by the upper bearing 18 has the ice lead-out portion 1 provided on the upper portion thereof.
It is led out to the ice storage (not shown) from 9 (shooter).
Further, to the lower part of the cooling cylinder 15, a drive device 20 including an auger motor 45 for rotationally driving the auger 16 is connected via a speed reducer 21.

Next, a circuit diagram will be described below with reference to FIG. K is a control board to which a limit sensor 30, a condenser sensor 31 that detects the temperature of the condenser, a cooler sensor 32 that detects the temperature of the cooler, and an ice storage sensor 33 are connected. ing. In addition, the control board K includes sensors 30, 3
In addition to 1, 32, 33, an operation board 35, a display board 36, a high pressure switch 37, the full water level switch 22 and a low water level switch 23 are connected.

Reference numeral 38 denotes an operation switch, which is an auger type ice making machine I.
The operation of M is started. The operation switch 38 is connected in series with a compressor relay 40 for turning on and off the compressor motor 39 of the compressor 4, a starting capacitor 41 and an operating capacitor 42, a compressor motor starting relay 43, and a compressor motor overload relay 44. ing.

Further, the compressor motor starting relay 43
And the compressor motor overload relay 44 are connected to the control board K. Also,
On the control board K, a relay R4 connected to the auger motor 45 and the operating capacitor 46, a condensing fan motor 45, and a compressor relay RL.
A relay R3 connected to the drain valve WV1, a relay R2 connected to the drain valve WV1, and a relay R1 connected to the water supply valve WV2. The compressor relay RL is for turning the compressor relay 40 ON and OFF.
Reference numeral 7 is an overload relay of the auger motor 45.

Further, the control board K is provided with integrating means for measuring and integrating the energization time to the auger motor 45. Further, the operation board 35 is provided with a mode switch 48, a reset switch 49, a feed switch 50, a drain switch 51, and a drain lamp 52, respectively.

Further, the display board 36 is provided with an inspection lamp 53 and a stop lamp 54 as an alarm means, and has a structure capable of negative display, that is, negative display. The alarm means may be a buzzer or the like other than the inspection lamp 53.
In the above structure, the operation of the present invention will be described below with reference to the flowchart of FIG.

First, the count value accumulated by the accumulating means is displayed (step S1), and the presence or absence of an alarm flag is judged (step S2). When there is an alarm flag (Y), an alarm is issued by the alarm means 53 (step S3), and the auger is turned on.
If there is no alarm flag (N), the process proceeds to a determination (step S4) whether or not the auger is immediately ON (step S4).

In step S4, if the auger is not ON (N), the process returns to the start, and if the auger is ON (Y), the integrating means counts (step S5).
After this, the integration time of the integration means, that is, the count value is 18
It is determined whether it is 000 hours or more (step S6). 18
If it has not reached 000 hours (N), it returns to the start, and if it has passed 18000 hours or more (Y), it is judged whether or not the alarm flag is set (step S).
7).

If the warning flag is not set (N), after setting the warning flag (step S8),
It is determined whether the alarm reset is ON (step S9).
If the alarm flag is set (Y), the process directly proceeds to step S9. If the alarm reset is not selected in step S9 (N), the process returns to the start. If the alarm reset is ON (Y), the flag is reset (step S10), the count is cleared, and the process returns (step S11).

That is, according to the first aspect of the invention, the cooling cylinder 15 is provided with the cooler 2 pressure-fed from the compressor 4 of the refrigeration system on the outer surface, and the bearing 17 while rotating inside the cooling cylinder 15. 18 ice-supporting auger 16
And an auger motor 45 for driving the auger 16 for ice cutting
And an auger type ice making machine IM provided with an integrating means for integrating the energization time to the auger motor 45.

Therefore, it is possible to prevent contact of the ice cutting auger 16 with the cooling cylinder 16 due to wear of the bearings 17, 18. Further, the auger type ice making machine IM according to the invention of claim 2 is provided with an alarm means 53 for giving an alarm when the accumulated energizing time to the auger motor 45 is a predetermined time or more. I will provide a.

Therefore, it is possible to prevent contact of the ice-cutting auger 16 with the cooling cylinder 15 due to wear of the bearings 17 and 18 as much as possible, and it is possible to show the user the limit of the service life. Further, the auger type ice making machine IM of the third aspect of the present invention includes a bearing 17 that supports the auger 16 for ice cutting,
Provided is an auger type ice making machine IM according to claim 1 or claim 2, which is provided with 18, and which clears the accumulated time of the accumulating means after replacing the bearings 17, 18.

Therefore, it is possible to prevent contact of the ice-cutting auger 16 with the cooling cylinder 15 due to wear of the bearings 17 and 18 as much as possible, and it is possible to show a limit of the service life to the user. Further, since the accumulated time is cleared after the bearings 17 and 18 have been replaced, it is possible to know the time when the consumable parts should be replaced, no matter how many times they are replaced. Claim 4
The auger type ice making machine IM of the invention of claim 1 provides the auger type ice making machine IM according to claim 1, 2 or 3 for displaying the difference between the predetermined time and the accumulated time.

Therefore, it is possible to prevent contact of the ice-cutting auger 16 with the cooling cylinder 15 due to wear of the bearings 17 and 18 as much as possible, and it is possible to show the user the limit of the service life. Further, it is possible to know when the bearing should be replaced. Further, the auger type ice making machine IM of the fifth aspect of the present invention provides the auger type ice making machine IM of the fourth aspect in which the time display is a negative display when a predetermined time has passed.

Therefore, it is possible to prevent contact of the ice-cutting auger 16 with the cooling cylinder 15 due to wear of the bearings 17 and 18 as much as possible, and it is possible to show the user the limit of service life. Further, it is possible to know when the bearings 17, 18 should be replaced. Further, even if the time to replace the bearings 17 and 18 has elapsed, it is possible to grasp how many hours have elapsed.

[0028]

As described in detail above, according to the invention of claim 1, a cooling cylinder provided with a cooler pumped to the outer surface from a compressor of a refrigeration system, and rotating inside the cooling cylinder and bearings. Provided is an auger-type ice making machine including an ice-sharpening auger supported by, an auger motor that drives the ice-sharpening auger, and a summing unit that sums energization time to the auger motor.

Therefore, it is possible to prevent contact of the ice-sharpening auger with the cooling cylinder as much as possible due to wear of the bearing.
By periodically replacing the consumable parts, it is possible to use the ice maker for a long period of time. Further, the auger type ice making machine according to a second aspect of the present invention provides the auger type ice making machine according to the first aspect, further comprising alarm means for issuing an alarm when the accumulated energizing time to the auger motor exceeds a predetermined time. .

Therefore, it is possible to prevent contact of the ice cutting auger with the cooling cylinder due to wear of the bearing as much as possible, and it is possible to show the user a limit of service life. Therefore, by periodically replacing the consumable parts, it becomes possible to use the ice making machine for a long period of time. Claim 3
The auger type ice making machine according to the invention is provided with a bearing for supporting the auger for ice cutting, and the auger type ice making machine according to claim 1 or 2 is provided in which the accumulated time of the accumulating means is cleared after the bearing is exchanged.

Therefore, it is possible to prevent contact of the ice cutting auger with the cooling cylinder due to wear of the bearing as much as possible, and it is possible to show the user a limit of service life. Further, since the accumulated time is cleared after the bearing is replaced, it is possible to know the time when the consumable should be replaced no matter how many times it is replaced. Therefore, by periodically replacing the consumable parts, it becomes possible to use the ice making machine for a long period of time.

The auger-type ice making machine according to the invention of claim 4 provides the auger-type ice making machine according to claim 1, 2 or 3 for displaying the difference between the predetermined time and the accumulated time. Therefore, it is possible to prevent the ice auger from coming into contact with the cooling cylinder due to wear of the bearing as much as possible.
It is possible to indicate to the user the limit of the service life. Further, it is possible to know when the bearing should be replaced. Therefore, by periodically replacing the consumable parts, it becomes possible to use the ice making machine for a long period of time.

Further, the auger type ice making machine according to the fifth aspect of the present invention provides the auger type ice making machine according to the fourth aspect in which the time display is a negative display when a predetermined time has elapsed. Therefore,
It is possible to prevent contact of the ice-cutting auger with the cooling cylinder due to wear of the bearing as much as possible, and it is possible to show a limit of the service life to the user. Further, it is possible to know when the bearing should be replaced.

Further, even if the time to replace the bearing has passed, it is possible to grasp how many hours have passed. Therefore, when the service life is reached, the bearings can be checked, and from experience, it can be determined by the service personnel, etc. when it is time to replace consumable parts, by determining how long they can be used later, and the ice maker can be used for a long period of time. In addition to being able to be used across, it is possible to perform maintenance work at low cost, such as consumables can be used up to the end and replaced.

Further, in an auger type ice making machine, impurities contained in water adhere to the surface of the auger or the inner surface of the cooling cylinder, which may increase the load on the ice making section and cause a failure. In this case as well, according to the present invention, when the upper bearing is periodically replaced, it is possible to expect an effect that it can be used for a long period of time by inspecting and removing the water stain adhesion state.

[Brief description of drawings]

FIG. 1 is a vertical sectional side view of an auger type ice making machine of the present invention.

FIG. 2 is a circuit diagram of an auger type ice making machine IM of the present invention.

FIG. 3 is a flowchart for explaining the operation of the auger type ice making machine of the present invention.

[Explanation of symbols]

 IM auger type ice making machine 1 ice making part 2 cooler 4 compressor 15 cooling cylinder 16 auger 17 lower bearing 18 upper bearing 45 auger motor 53 alarm means

Claims (5)

[Claims] 1. A cooling cylinder provided with a cooler, which is pressure-fed from a refrigeration system compressor on an outer surface, an auger for ice-shaving that is supported by a bearing while rotating inside the cooling cylinder, and the ice-shaving. An auger type ice making machine comprising: an auger motor for driving an auger motor; and a summing means for summing the energization time to the auger motor. 2. The auger type ice maker according to claim 1, further comprising an alarm means for issuing an alarm when the accumulated energizing time to the auger motor exceeds a predetermined time. 3. A bearing for supporting an ice auger,
The auger type ice making machine according to claim 1 or 2, wherein the accumulated time of the accumulating means is cleared after the bearing is replaced. 4. The auger type ice making machine according to claim 1, 2 or 3, wherein a difference between the predetermined time and the accumulated time is displayed. 5. The auger type ice making machine according to claim 4, wherein when the predetermined time has elapsed, the time display is a negative display.