KR100279689B1 - Beverage extraction device - Google Patents

Abstract

Providing a beverage extraction device that keeps the entire cylinder clean and can always extract beverages with good flavor without maintenance.

The cleaning liquid disposing means for guiding the cleaning liquid that overflows to the waste part is provided in the upper chamber, and the cleaning liquid is supplied to the upper chamber in which communication with the extraction chamber is blocked by the blockage of the valve during the cleaning.

Description

Beverage extraction device

The present invention relates to a beverage extraction device applied to a cup-type vending machine for extracting coffee, black tea, oolong tea, green tea, etc. from a beverage raw material, and sells cups, and in particular, it is possible to keep the entire cylinder clean, and does not require management. The present invention relates to a beverage extraction device capable of extracting a beverage with good flavor.

As a conventional beverage extraction apparatus, there is one shown in Fig. 17, for example. The beverage extraction device is supported by a guide rail (not shown) so as to be movable up and down, and is disposed below the cylinder 20 and the cylinder 20 for agitating and discharging the mixture of powder raw material and hot water supplied from the upper side downward. The paper filter 21 which filters the mixture in the cylinder 20, and the beverage container 22 which accommodates the beverage extracted by the filtration of the paper filter 21 are provided.

The cylinder 20 discharges from the mixing chamber 20b which accommodates the powder raw material and hot water supplied from the supply port 20a installed in the upper side, and the discharge port 20c which installed the mixture of powder raw material and hot water in the lower side. It has an extraction chamber 20d through which the extraction process of a drink is performed, and the communication port 20e which communicated the mixing chamber 20b and the extraction chamber 20d.

The communication port 20e is opened and closed by a valve 23 that is rotatably connected to the tip of the lever 32 by a pin 32a.

The extraction chamber 20d has an introduction port 20f for introducing pressurized air from an air pump (not shown) through the air pipe 52.

The paper filter 21 is set in roll shape, and is comprised so that it may be sent to the left direction in drawing after completion | finish of extraction.

The beverage container 22 has the opening 22a which accommodates the beverage extracted by the filtration of the paper filter 21, the beverage supply pipe 22C which supplies the drink which the opening 22a accommodated to the cup side, and the opening 22a. ) Has a waste pipe 22D for disposing of the beverage stored therein, and a beverage supply solenoid valve 53 is provided in the beverage supply pipe 22C.

The opening 22a is adapted to supply pressurized air from an air pump (not shown) at the time of the stirring process or the cleaning process from the air pipe 52.

The waste pipe 22D rotates the press cam 48 and rotates the press plate 46 which consists of leaf springs, etc., and is press-closed between the fixed plates 47. As shown in FIG.

In the beverage extracting device configured as described above, when there is a sales request, the press cam 48 is first rotated, and the press pipe 46 is pressed by the protrusion to press the waste pipe 22D to the press plate 46 and the fixed plate 47. Occlusion in between. Next, the cylinder 20 and the valve 23 are lowered from the illustrated standby position to press-fit the lower end of the cylinder 20 to the beverage container 22, and the communication port 20e is opened. Thereafter, the beverage raw material and the hot water are supplied from the supply port 20a, the beverage supply solenoid valve 53 is closed in accordance with this supply, and the pressurized air is supplied from the air pump via the air pipe 52 to the beverage container 22. Send to). This pressurized air passes through the paper filter 21 and flows into the extraction chamber 20d, and when this pressurized air passes through the mixture in the extraction chamber 20d, the bubble flow acts to agitate the mixture. This facilitates the dissolution of the beverage ingredient into hot water. When the predetermined stirring time has elapsed, the valve 23 is raised to close the communication port 20e and the pressurized air from the air pump is supplied from the inlet port 20f above the extraction chamber 20d via the air pipe 52. do. The mixture in the extraction chamber 20d is pressurized downward by the supplied pressurized air and filtered through the paper filter 21, and is supplied to the cup via the beverage container 22 and the beverage supply pipe 22C as a beverage. When the predetermined extraction time has elapsed, the cylinder 20 and the valve 23 are raised to take out the paper filter 21 and disposed together with the remaining paper filter 21 remaining on the paper filter 21, The drawn new cotton is set on the beverage container 22.

On the other hand, in the said beverage extracting apparatus, the cylinder 20 is wash | cleaned at the time of night etc. with few sales frequency. The washing method is performed as follows, for example.

First, the pressing cam 48 is rotated, and the waste pipe 22D is closed between the pressing plate 46 and the fixed plate 47 by pressing the pressing plate 46 with the protrusion. Next, the cylinder 20 and the valve 23 are lowered from the standby position, the lower end of the cylinder 20 is pressed against the beverage container 22, and the communication port 20e is opened. Thereafter, hot water is supplied from the supply port 20a, the beverage supply solenoid valve 53 is closed in accordance with this supply, and pressurized air is sent from the air pump to the beverage container 22 via the air pipe 52. The inside of the extraction chamber 20d is stirred and washed by flowing into the extraction chamber 20d.

18 shows the state of stirring and washing of the extraction chamber 20d, pressurized air sent to the beverage container 22 flows through the paper filter 21 into the extraction chamber 20d, and pressurized air is introduced into the extraction chamber. When passing hot water in 20d, the bubble flow is stirring hot water. For this reason, the debris adhering to the inner wall of the extraction chamber 20d is removed and washed.

When the stirring cleaning is performed for a predetermined time, the pressing cam 48 is rotated, and the waste pipe 22D is opened by releasing the pressing of the pressing plate 46 by the protrusion. Next, the communication port 20e is closed by raising the valve 23, and pressurized air from the air pump is supplied from the inlet port 20f above the extraction chamber 20d via the air pipe 52. The hot water in the extraction chamber 20d is pressurized downward by the supplied pressurized air, and is discarded via the beverage container 22 and the waste pipe 22D. Then, when a predetermined time elapses, the cylinder 20 is lifted up, the paper filter 21 is sent out, and the waste due to the stirring and washing remaining on the paper filter 21 is discarded together with the paper filter 21, and a roll The new cotton withdrawn from is set on the beverage container 22.

However, according to the conventional beverage extracting apparatus, since only the cleaning of the extraction chamber is performed, a beverage raw material or the like remains on the inner wall of the mixing chamber, and there is a problem that the cleanliness of the mixing chamber is lowered. If the cleanliness of the mixing chamber decreases, the flavor of the beverage to be sold will be affected, so cleaning management must be carried out regularly.

Accordingly, it is an object of the present invention to provide a beverage extraction apparatus capable of keeping the entire cylinder clean and extracting a beverage with good flavor at all times without management.

The present invention allows the entire cylinder to be kept clean in view of the above problems, so that a beverage with good flavor can always be extracted even without maintenance, so that when the upper chamber is cleaned, the overflow occurs when the upper chamber is cleaned. It is to provide a beverage extraction apparatus having cleaning liquid disposal means for guiding the cleaning liquid to the waste part.

The cleaning solution disposing means includes a trough provided around the outside of the upper opening of the upper chamber, and a drain pipe communicating with the trough and the waste part, wherein the upper chamber is configured such that the cleaning liquid is supplied in a state where communication with the extraction chamber is blocked by a blockage of the valve. Is preferably.

It is preferable that the said extraction chamber is a structure by which the washing | cleaning liquid is supplied from the upper chamber and the washing | cleaning is performed by communicating with the upper chamber via the communication port by opening of a valve after cleaning of the upper chamber.

The extraction chamber has a valve for releasing internal pressure to the atmosphere, and the valve is preferably configured to open when the cleaning liquid is supplied from the upper chamber to the extraction chamber via a communication port.

The extraction chamber is supplied with a cleaning liquid from the upper chamber via a communication port by opening the valve before cleaning the upper chamber, and the upper chamber is in a state in which communication with the extraction chamber is blocked by the closing of the valve after supply of the cleaning liquid to the extraction chamber. The cleaning liquid is supplied, and the extraction chamber and the upper chamber are preferably cleaned at the same time after the upper chamber is filled with the cleaning liquid by the supply of the cleaning liquid to the upper chamber.

BRIEF DESCRIPTION OF THE DRAWINGS Explanatory drawing which shows the beverage extraction apparatus which concerns on 1st Embodiment of this invention.

2 is a cross-sectional view taken along line A-A of FIG.

3 is a perspective view of a process detection mechanism according to the first embodiment.

4 is a perspective view of principal parts of a waste disposal unit according to the first embodiment;

5 is a block diagram showing a control system according to the first embodiment;

FIG. 6 is an explanatory diagram showing output signals of the first, second, and third process detection sensors according to the second embodiment; FIG.

7 is an explanatory diagram showing a standby state according to the first embodiment;

8 is an explanatory diagram showing a closed state of a waste pipe according to the first embodiment;

9 is an explanatory diagram showing a stirring step according to the first embodiment.

10 is an explanatory diagram showing an extraction step according to the first embodiment;

FIG. 11 is an explanatory diagram showing a waste disposal process according to the first embodiment; FIG.

FIG. 12 is an explanatory diagram showing an end state of the waste disposal process according to the first embodiment; FIG.

Fig. 13 is an explanatory diagram showing a washing state of the mixing chamber according to the first embodiment.

FIG. 14 is an explanatory diagram showing a transition state from washing of the mixing chamber to washing of the extraction chamber according to the first embodiment; FIG.

15 is an explanatory diagram showing a washing state of the extraction chamber according to the first embodiment.

Fig. 16 is an explanatory diagram showing a second embodiment of the present invention.

17 is an explanatory diagram showing a conventional beverage extraction device.

18 is an explanatory diagram showing a state at the time of washing according to the conventional beverage extraction apparatus.

<Explanation of symbols for main parts of the drawings>

1: beverage extraction device

2: extracting unit

3: air pump

4: disposal unit

5: air pump

6: control unit

20: cylinder

20a: supply port

20b: mixing chamber

20c: outlet

20d: extraction chamber

20e: communication port

20f: inlet

20g: barrel

20h: drain

20i: drain pipe

21: paper filter

21A: Axis

21B: Filter Detection Lever

21C: Filter Remaining Detection Sensor

22: beverage container

22A: Rubber Packing

22B: Roller

22C: Beverage Supply Line

22D: Waste Tube

22a: opening

23: valve

24: extraction motor

25: reducer

25a, 25b: output shaft

25c: key

26: support plate

26a: bearing

27A: Cylinder Cam

27B: Valve Cam

28A: Cylinder Drive Plate

28B: Valve Drive Plate

28a, 28b: locking member

29A: Cylinder Cam Follower

29B: Valve Cam Follower

30: tension coil spring

31A, 31B, 31C: connecting member

32: lever

32a, 32b: pin

33: connecting member

34: tension coil spring

40: waste disposal motor

41a: output shaft

35A: first process detection plate

35B: second process detection plate

35C: third process detection plate

35a: protrusion

36A: first process detection sensor

36B: second process detection sensor

36C: third process detection sensor

40: waste disposal motor

41: reducer

41a: output shaft

42A: Waste tube open detection plate

42B: Waste Tube Closure Detection Plate

42a: protrusion

43A: Waste Tube Open Detection Sensor

43B: Waste Tube Closure Detection Sensor

44: filter feed roller

45: guide roller

46: pressure plate

46a: support shaft

47: fixed plate

48: compression cam

48a: protrusion

50: upper air solenoid valve

51: lower air solenoid valve

52: air pipe

53: Beverage Supply Electronic Valve

54 T branch

55: air solenoid valve for atmospheric opening

Hereinafter, the beverage extraction apparatus of the present invention will be described in detail with reference to the accompanying drawings.

1 shows a beverage extraction apparatus according to a first embodiment of the present invention. The beverage extracting apparatus 1 includes an extracting section 2 for extracting a beverage from a mixture of powdered raw materials such as coffee powder and hot water, a waste disposal section 4 for discarding waste and the like, and each part of the apparatus 1. It is comprised with the air pump 5 which sends pressurized air.

The extraction part 2 is supported by the guide rail which is not shown in figure so that it can move up and down, The cylinder 20 which agitates and discharges the mixture of powder raw material and hot water supplied from the upper side to the lower side, and the lower side of the cylinder 20 is carried out. The paper filter 21 which arrange | positions and filters the mixture discharged | emitted from the cylinder 20, and the beverage container 22 which accommodates the beverage extracted by the filtration of the paper filter 21 are provided.

The cylinder 20 discharges from the mixing chamber 20b which accommodates the powder raw material and hot water supplied from the supply port 20a installed in the upper side, and the discharge port 20c which installed the mixture of powder raw material and hot water in the lower side. It has the extraction chamber 20d in which the extraction process of a drink is performed, The mixing chamber 20b and the extraction chamber 20d are communicated with the communication port 20e, and are formed. The communication port 20e is opened and closed by the valve 23, and the extraction chamber 20d is provided with an introduction port 20f for introducing pressurized air from the air pump 5.

The mixing chamber 20b is connected to a trough 20g formed around the outside of the supply port 20a, a drain port 20h formed at a predetermined position on the bottom surface of the trough 20g, and a drain port 20h. It has the drain pipe 20i introduce | transduced in the drain container which is not made.

The paper filter 21 is set in a roll shape on the rotatable shaft 21A and is configured to be drawn out in the left direction in FIG. 1 by driving the waste disposal motor 40 of the waste disposal unit 4 described later. The remaining amount detection of the paper filter 21 is carried out so that the proximal end is rotatably supported and the middle part or the front end is always in contact with the roll-shaped paper filter 21 and the remaining amount of the paper filter 21. Of the filter switch lever 21B rotates and switches, and outputs a detection signal indicating that the paper filter 21 has disappeared to the control unit 6 to be described later to detect a filter residual amount such as a micro switch which is helpful for an alarm output or the like. It is performed by the sensor 21C.

The beverage container 22 is provided with the opening 22a in the upper part, and when the cylinder 20 (outlet 20c) abuts around the opening 22a, the rubber packing 22A is provided in order to prevent a mixture from getting wet. It is equipped with a roller 22B for guiding the running of the paper filter 21 at the end, and has a beverage supply part 22C for supplying a beverage to the cup at the lower end and a waste pipe 22D for disposing of the beverage. Moreover, the beverage supply solenoid valve 53 is provided in 22 C of beverage supply pipes.

The extraction part 2 has the extraction motor 24 and the output shafts 25a and 25b protruding from both sides, respectively, and the reducer 25 which decelerates the rotation speed of the extraction motor 24 to predetermined rotation speed, The holding plate 26 which supported one end of the output shaft 25a by the bearing 26a, the cylinder cam 27A and the valve cam 27B fixed to the one output shaft 25a, and the cylinder 20 A cylinder drive plate 28A for driving the valve, a valve drive plate 28B for driving the valve 23, a cylinder cam follower 29B attached to the cylinder drive plate 28A, and a valve drive plate 28B. Both ends are engaged with the valve cam follower 29B attached to the valve member, the locking member 28a attached to the cylinder drive plate 28A, and the locking member 28b attached to the valve drive plate 28B, respectively. Tension pulling the cylinder drive plate 28A and the valve drive plate 28B to each other to bring the cylinder cam follower 29A and the valve cam follower 29B into contact with the cylinder cam 27A and the valve cam 27B, respectively. nose The spring 30, the plurality of connecting members 31A, 31B, 31C connecting the cylinder 20 and the cylinder drive plate 28A, and the valve 23 are rotatably connected to the pins 32a at the front end. One lever 32, a connecting member 33 attached to the valve driving plate 28B and rotatably connecting the lever 32 with a pin 32b, a rear end of the lever 32, and a valve driving plate ( A tension coil spring 34 having both ends engaged with the locking member 28c attached to 28B is provided. The extraction section 2 is configured such that the output shafts 25a and 25b and the output shaft 41a each rotate once to complete a series of processes of the stirring process, the extraction process, and the waste disposal process.

The process detection mechanism which detects the progress of each process is provided in the output shaft 25b side of the other speed reducer 25. As shown in FIG. That is, the 1st, 2nd and 3rd process detection plates 35A, 35B, 35C are attached to the output shaft 25b of the other side of the reducer 25, and 35A of 1st, 2nd, and 3rd process detection plates are attached. , Second and third around the 35B, 35C, such as an optical sensor for detecting the rotational position of the first, second, and third process detection plates 35A, 35B, 35C (eg, by shading off). Third process detection sensors 36A, 36B, and 36C are disposed.

The air pump 5 is connected to the inlet 20f of the extraction chamber 20d and the beverage container 22 to the air pump 5, and the inlet 20f of the extraction chamber 20d is connected to the air pipe 52. The upper air solenoid valve 50 and the air solenoid valve 55 branching through the T-branch 54 in front of the (), and the lower air solenoid valve 51 in front of the beverage container 22 Each is installed.

2 is a cross-sectional view taken along the line A-A of FIG. The cylinder cam 27A and the valve cam 27B are fixed to one output shaft 25a by the key 25c, and the cam faces of the cylinder cam 27A and the valve cam 27B are formed as shown in FIG. have.

3 is a perspective view of a process detection mechanism. The projection 35a is formed in two places on the first process detection plate 35A over about 90 degrees, and the projection 35a is formed on the second process detection plate 35B over about 70 degrees. In the third process detection plate 35C, protrusions 35a are formed in one place over about 180 degrees.

4 is a perspective view of principal parts of the waste disposal unit 4. FIG. The waste disposal unit 4 includes a waste disposal motor 40, a reduction gear 41 for reducing the rotation speed of the waste processing motor 40 to a predetermined rotation speed, and a waste attached to the output shaft 41 a of the reduction gear 41. The open state of the waste pipe 22D by the light shielding (for example, off) by the engine opening detection plate 42A and the waste pipe closing detection plate 42B and the projection 42a of the waste pipe opening detection plate 42A ( The waste pipe opening detection sensor 43A, such as an optical sensor that outputs an off signal indicating a standby state, and light shielding (for example, off) by the projection 42a of the waste pipe closing detection plate 42B. 22D) is attached to the output shaft 41a with a closed pipe closing detection sensor 43B such as an optical sensor that outputs an off signal showing the closed state, and a cutout 44a on a circumference, and is a paper filter 21. ) And a pair of filter feed rollers 44 for sending a predetermined length of paper, and the paper filter 21 are not shown on the pair of filter feed rollers 44. With a pair of guide rollers 45 pressed against the springs and a leaf spring that is rotatably supported by the support shaft 46a to press-close the waste pipe 22D between the fixed plates (see FIG. 1) 47. And a pressing cam 48 having a projection 48a on a circumference which is attached to the pressing plate 46 and the output shaft 41a to rotate the pressing plate 46.

5 shows a control system of the present beverage extraction device 1. This beverage extraction apparatus 1 has the control part 6 which controls each part of this apparatus 1, The said control part 6 has the said waste pipe opening detection sensor 43A, and the waste pipe closing detection sensor 43B. , First, second and third process detection sensors 36A, 36B, 36C, filter residual amount detection sensor 21C, air pump 5, upper air solenoid valve 50, lower air solenoid valve 51, The main control unit 7 which connects the beverage supply solenoid valve 53, the air solenoid valve 55 for open air, the extraction motor 24, and the waste disposal motor 40, respectively, and manages the sales control of the extracted beverage. You are connected.

The main control unit 7 outputs a sales signal to the control unit 6 every time the beverage is sold, and the control unit 6 inputs the sales signal from the main control unit 7 to extract the extraction motor 24 and the waste disposal motor ( 40) and the air pump 5 are controlled to perform a series of processes of beverage extraction control, ie, stirring process, extraction process, and waste disposal process.

In addition, the main control unit 7 outputs a washing command signal to the control unit 6 when the cleaning time set in advance (for example, at a low sales frequency such as night or dawn) is reached, and the control unit 6 controls the main control unit 7. When the cleaning command signal is inputted from the control panel, the extraction motor 24, the waste disposal motor 40, and the air pump 5 are controlled to perform the cleaning control of the cylinder 20.

That is, the control part 6 supplies hot water more than the capacity | capacitance to the mixing chamber 20b in the state which closed the communication port 20e, and overflows hot water from the mixing chamber 20b, and wash | cleans the mixing chamber 20b. Overflow washing to carry out the washing, and hot water is introduced into the extraction chamber 20d while the lower end of the cylinder 20 is pressed against the beverage container 22, and stirred to wash the extraction chamber 20d by stirring it. Is executed in each part.

Next, the operation of the beverage extracting apparatus 1 will be described with reference to Figs. Fig. 6 is a diagram showing output signals of the first, second and third process detection sensors 36A, 36B and 36C. 7 to 13 show the operation of the apparatus 1, and FIG. 6A shows the positions of the main parts (cylinder 20, the valve 13, etc.), and FIG. b) shows the position of the waste pipe opening detection plate 42A and the waste pipe closing detection plate 42B, and the filter feed roller 44, and FIG. 6C shows the cylinder cam 27A and the valve cam. 6 (d) is a diagram showing the positions of the first, second and third process detection plates 35A, 35B and 35C.

(1) Standby state (see Figure 7)

In the standby state, the main part of the apparatus 1 is in the standby position P1 shown in FIG. 6 and is in the state shown in FIG. That is, the 1st, 2nd and 3rd process detection sensors 36A, 36B, and 36C are ON, the waste pipe opening detection sensor 43A is off, and the waste pipe closing detection sensor 43B is ON. The pressing plate 46 is in contact with the pressing cam 48 by the elastic force of the waste pipe 22D.

(2) stirring process (refer to FIG. 8, FIG. 9)

When the sales signal is input from the main control unit 8, the control unit 6, based on the on of the first and third process detection sensors 36A and 36C when the second process detection sensor 36B is on, the standby position ( The movement operation from P1) to the stirring position P2 is performed. That is, the control part 6 drives the waste disposal motor 40 to forward rotation drive (drive which the output shaft 41a rotates left in FIG. 8A). The drive torque of the waste disposal motor 40 is transmitted to the output shaft 41a via the speed reducer 41, and the output shaft 41a is rotated forward by about 60 degrees (left in FIG. As shown in a), when the protrusion part 48a of the press cam 48 presses the press plate 46, the waste pipe 22D is closed between the press plate 46 and the fixed plate 47. As shown in FIG. The waste pipe closing detection sensor 43B is shielded by the protrusion 42a of the waste pipe closing detection plate 42B, and outputs an off signal to the control unit 6. The control part 6 stops the drive of the waste-processing motor 40 based on the OFF signal from the waste-pipe closing detection sensor 43B.

Next, the control part 6 drives the extraction motor 24 to forward rotation drive (drive which the output shaft 25b rotates left in FIG. 9 (d)). The drive torque of the extraction motor 24 is transmitted to the output shafts 25a and 25b via the speed reducer 25, and the output shafts 25a and 25b rotate forward (left in Fig. 9 (d)) to show the As shown in c), when the cylinder cam 27A and the valve cam 27B rotate forward, the cylinder drive board 28A and the valve drive board 28B will descend | fall. When the cylinder drive plate 28A descends, the cylinder 20 descends via the plurality of connecting members 31A, 31B, and 31C, and the lower end of the extraction chamber 20d moves the paper filter 21 to the beverage container 22. Press in with On the other hand, when the valve drive plate 28B descends, the valve 32 also descends via the connecting member 33 and the lever 32. The first process detection sensor 36A is shielded by the first process detection plate 35A, and outputs an off signal to the control unit 6. Next, the second process detection sensor 36B outputs the on signal to the control unit 6. The control part 6 stops the drive of the extraction motor 24 based on the 1st process detection sensor 36A when the 2nd process detection sensor 36B is ON. The main part of this apparatus 1 reaches the stirring position P2 shown in FIG. 6, and will be in the state shown in FIG. In the state shown in FIG. 9, as shown in FIG. 9D, the 2nd, 3rd process detection sensors 36B and 36C are the projection part 35a of the 2nd, 3rd process detection plates 35B and 35C. Since the light is not shielded by), the on signals are output to the control unit 6, respectively.

The control part 6 performs a stirring process based on the 1st process detection sensor 36A off and the 3rd process detection sensor 36C when the 2nd process detection sensor 36B is ON. That is, the control part 6 outputs the supply request signal of powder raw material and hot water to the main control part 7. The powder raw material and hot water are supplied to the supply port 20a of the mixing chamber 20b by control of the main control part 7b. The control unit 6 closes the beverage supply solenoid valve 53 in accordance with the supply of the powder raw material and the hot water, and opens the lower air solenoid valve 51 to drive the air pump 5. The air pump 5 sends pressurized air to the beverage container 22 via the air pipe 52. This pressurized air passes through the paper filter 21 and flows into the extraction chamber 20d. When this pressurized air passes through the mixture in the extraction chamber 20d, the bubble flow acts to agitate the mixture. By supplying pressurized air from the lower side of the paper filter 21, elution of the powder raw material component into hot water is encouraged, and the beverage can be extracted in a short time.

(3) Extraction process (see FIG. 10)

The control part 6 drives the extraction motor 24 forward rotation, when the stirring time set by the timer passed. The drive torque of the extraction motor 24 is transmitted to the output shafts 25a and 25b via the reduction gear 25, and the cylinder cam 27A and the valve cam 27B rotate forward. As shown in Fig. 10 (c), since the cam radius of the cylinder cam 27A does not change, the cylinder 20 does not move up and down, but since the cam radius of the valve cam 27B increases, the valve 23 Ascending, the communication port 20e is closed as shown to Fig.10 (a). The third process detection sensor 36C is shielded by the third process detection plate 35C, and outputs an off signal to the control unit 6. Next, the second process detection sensor 36B outputs the on signal to the control unit 6. When the second process detection sensor 36B is on, the control unit 6 stops the driving of the extraction motor 24 based on the off of the third process detection sensor 36C. The main part of this apparatus 1 reaches the extraction position P3 shown in FIG. 6, and will be in the state shown in FIG. In the state shown in FIG. 10, as shown to FIG. 10 (d), the 1st, 2nd process detection sensors 36A and 36B turn on.

The control part 6 performs an extraction process based on the 1st process detection sensor 36A on, and the 3rd process detection sensor 36C off when the 2nd process detection sensor 36B is ON. That is, the control part 6 opens the said air solenoid valve 50, closes the lower air solenoid valve 51 and the atmospheric open air solenoid valve 55, opens the drink supply solenoid valve 53, and opens the air pump 5 ) And pressurized air from the air pump 5 is supplied from the inlet port 20f above the extraction chamber 20d via the air pipe 52. The mixture in the extraction chamber 20d is pressurized downward by the pressurized air from the air pump 5 and filtered by the paper filter 21. The beverage filtered by the paper filter 21 is supplied to the cup via the beverage container 22 and the beverage supply pipe 22C. By sending pressurized air to the extraction chamber 20d, the air pressure in the extraction chamber 20d is increased and the mixture is pushed toward the paper filter 21, so that the mixture can be separated into beverage and dregs in a short time and filtered efficiently.

(4) Waste disposal process (refer to FIG. 11, FIG. 12)

When the extraction time set by the timer elapses, the control part 6 drives the extraction motor 24 to forward rotation. Thereby, the drive torque of the extraction motor 24 is transmitted to the output shafts 25a and 25b via the reduction gear 25, and the cylinder cam 27A and the valve cam 27B rotate forward, and the cylinder drive plate 28A and The valve drive plate 28B rises, and the cylinder 20 and the valve 23 rise to the uppermost level. The 1st, 3rd process detection sensors 36A and 36C are shielded by the 1st, 3rd process detection plates 35A and 35C, and output an OFF signal to the control part 6. Next, the second process detection sensor 36B outputs the on signal to the control unit 6. The control part 6 stops the drive of the extraction motor 24 based on the OFF of the 1st, 3rd process detection sensors 36A and 36C when the 2nd process detection sensor 36B is ON. The main part of this apparatus 1 reaches the waste disposal position P4 shown in FIG. 6, and will be in the state shown in FIG. In the state shown in Fig. 11, the second process detection sensor 36B is turned on, and the residue 7 remains on the paper filter 21.

The control part 6 performs a waste disposal process based on the 1st, 3rd process detection sensors 36A and 36C off when the 2nd process detection sensor 36B is ON. That is, the control part 6 drives the waste disposal motor 40 to forward rotation. The drive torque of the waste disposal motor 40 is transmitted to the output shaft 41a via the speed reducer 41, the output shaft 41a rotates forward, and the filter feed roller 44 rotates to take out the paper filter 21. When the debris 7 on the paper filter 21 passes through the roller 22B, the debris 7 is folded and isolated from the paper filter 21 as indicated by the imaginary line in Fig. 12A, and the waste bucket ( Fall). The waste pipe opening detection sensor 43A is shielded by the waste pipe opening detection plate 42A, and outputs an off signal to the control unit 6. The control part 6 stops the drive of the waste disposal motor 40 based on the OFF signal from the waste pipe | tube open detection sensor 43A. The main part of this apparatus 1 will be in the state shown in FIG.

(5) Return to standby state

When the waste disposal process is completed, the control part 6 drives the extraction motor 24 and the waste disposal motor 40 to forward rotation. The main part of the apparatus 1 returns to the standby state shown in FIG. Thereafter, the operations of (1) to (5) are repeated each time a sales signal is input to the control unit 6.

On the other hand, when the cleaning time set in advance is reached, the cleaning command signal is output from the main control unit 7 to the control unit 6. When the control part 6 inputs the washing | cleaning command signal, the extraction motor 24, the waste disposal motor 40, and the air pump 5 are controlled, and the washing | cleaning control of the cylinder 20 is performed. Hereinafter, the cleaning procedure of the cylinder 20 will be described.

First, when the cleaning command signal is input from the main control unit 7, the control unit 6 is based on the first and third process detection sensors 36A and 36C when the second process detection sensor 36B is on. The movement operation from the standby position P1 to the overflow washing position (the same position as the extraction position P3) is performed. That is, the control part 6 drives the waste disposal motor 40 to forward rotation. The drive torque of the waste disposal motor 40 is transmitted to the output shaft 41a via the speed reducer 41, and the output shaft 41a is rotated forward by about 60 ° so that the protrusion 48a of the pressing cam 48 is pressed against the pressing plate 46. By pressing the waste pipe 22D, the waste pipe 22D is closed between the pressing plate 46 and the fixed plate 47. The waste pipe closing detection sensor 43B is shielded by the protrusion 42a of the waste pipe closing detection plate 42B, and outputs an off signal to the control unit 6. The control part 6 stops the drive of the waste-processing motor 40 based on the OFF signal from the waste-pipe closing detection sensor 43B.

Next, the control part 6 drives the extraction motor 24 to forward rotation. The drive torque of the extraction motor 24 is transmitted to the output shafts 25a and 25b via the speed reducer 25, the output shafts 25a and 25b rotate forward, and the cylinder cam 27A and the valve cam 27B rotate forward. The drive plate 28A and the valve drive plate 28B are lowered. When the cylinder drive plate 28A descends, the cylinder 20 descends via the plurality of connecting members 31A, 31B, and 31C, and the lower end of the extraction chamber 20d moves the paper filter 21 to the beverage container 22. Press contact with On the other hand, when the valve drive plate 28B descends, the valve 32 also descends via the connecting member 33 and the lever 32. And when forward rotation of the output shafts 25a and 25b advances, and forward rotation of the cylinder cam 27A and the valve cam 27B advances, the valve drive plate 28B raises. When the valve drive plate 28B is raised, the valve 23 is raised to close the communication port 20e. The third process detection sensor 36C is shielded by the third process detection plate 35C, and outputs an off signal to the control unit 6. Next, the second process detection sensor 36B outputs the on signal to the control unit 6. When the second process detection sensor 36B is on, the control unit 6 stops the driving of the extraction motor 24 based on the off of the third process detection sensor 36C.

Thereafter, the controller 6 outputs a hot water supply request signal to the main controller 7. Under the control of the main control unit 7, a larger amount of hot water is supplied to the supply port 20a of the mixing chamber 20b than the capacity of the mixing chamber 20b. The hot water in the mixing chamber 20b overflows with the debris attached to the inner wall of the mixing chamber 20b when the mixing chamber 20b is full, and passes through the drain pipe 20i from the outer periphery 20g to the waste bucket. Is discharged, and the overflow cleaning of the mixing chamber 20b is performed.

When overflow cleaning of the mixing chamber 20b is performed in this way, the control part 6 next performs the movement operation from the overflow cleaning position to the stirring cleaning position (the same position as the stirring position P2). That is, the control part 6 opens the atmospheric open air solenoid valve 55, closes the upper air solenoid valve 50 and the lower air solenoid valve 51, and drives the extraction motor 24 to reverse rotation. The drive torque of the extraction motor 24 is transmitted to the output shafts 25a and 25b via the speed reducer 25, and the output shafts 25a and 25b reversely rotate so that the cylinder cam 27A and the valve cam 27B reversely rotate. . At this time, since the cam radius of the cylinder cam 27A does not change, the position of the cylinder 20 does not change, but since the cam radius of the valve cam 27B becomes small, the valve 23 descends, and the communication port 20e To open. The second process detection sensor 36B outputs the on signal to the control unit 6. Subsequently, the first process detection sensor 36A is shielded by the first process detection plate 35A, the first process detection sensor 36A is shielded by the first process detection plate 35A, and the off signal is controlled. Output to (6). The control part 6 stops the drive of the extraction motor 24 based on the 1st process detection sensor 36A when the 2nd process detection sensor 36B is ON. When the communication port 20e is opened in this way, as shown in Fig. 14, hot water in the mixing chamber 20b is supplied into the extraction chamber 20d. At this time, since the atmospheric open air solenoid valve 55 is opened, the internal pressure of the extraction chamber 20d is increased so that the air in the extraction chamber 20d does not escape from the communication port 20e to the mixing chamber 20b and overflows. The cleaned mixing chamber 20b is not contaminated again. Thereafter, the controller 6 opens the lower air solenoid valve 51 in accordance with the supply of hot water into the extraction chamber 20 to drive the air pump 5. When the air pump 5 is driven, pressurized air is sent to the beverage container 22 via the air pipe 52, and flows through the paper filter 21 into the extraction chamber 20d, as shown in FIG. do. Then, when passing the hot water in the extraction chamber 20d, the bubble flow agitates the hot water, thereby removing the residue adhering to the inner wall of the extraction chamber 20d. Thereafter, the controller 6 outputs a hot water supply request signal to the main controller 7, and a predetermined amount of hot water is supplied to the supply port 20a of the mixing chamber 20b by the control of the main controller 7. Supplied. Thereby, the residue attached to the upper side rather than the hot water surface of the inner wall of the extraction chamber 20d and the residue attached to the valve 23 are washed off by stirring.

Finally, the control unit 6 performs a movement operation from the extraction chamber cleaning position to the washing water disposal position. That is, the control part 6 drives the waste disposal motor 40 to reverse rotation. When the waste disposal motor 40 reversely rotates, the press cam 48 reverses about 60 degrees, releases the pressurization of the waste pipe 22D by the press plate 46, and opens the waste pipe 22D. The waste pipe opening detection sensor 43A is shielded by the waste pipe opening detection plate 42A, and outputs an off signal to the control unit 6. The control part 6 stops the drive of the waste disposal motor 40 based on the OFF signal from the waste pipe | tube open detection sensor 43A.

Next, the control part 6 drives the extraction motor 24 to forward rotation. The drive torque of the extraction motor 24 is transmitted to the output shafts 25a and 25b via the speed reducer 25, and the output shafts 25a and 25b rotate forward to rotate the cylinder cam 27A and the valve cam 27B forward. At this time, since the cam radius of the cylinder cam 27A does not change, the position of the cylinder 20 does not change, but since the cam radius of the valve cam 27B increases, the valve 23 rises, and the communication port 20e To close it. The third process detection sensor 36C is shielded by the third process detection plate 35C, and outputs an off signal to the control unit 6. Next, the second process detection sensor 36B outputs the on signal to the control unit 6. When the second process detection sensor 36B is on, the control unit 6 stops the driving of the extraction motor 24 based on the off of the third process detection sensor 36C. Then, the control part 6 opens the upper air solenoid valve 50, drives the air pump 5, and sends pressurized air to the extraction chamber 20d. The hot water in the extraction chamber 20d is pressurized downward by the introduction of pressurized air into the extraction chamber 20d, passes through the paper filter 21, and is disposed of from the beverage container 22 through the waste pipe 22D. Transferred to the bucket. Then, when the predetermined time set by the timer has elapsed, the drive of the air pump 5 is stopped, the extraction motor 24 is forward-rotated, and the cylinder 20 is moved to the waste disposal position P4. At the same time, the waste disposal motor 40 is rotated forward to rotate the filter feed roller 44, and the paper filter 21 is sent out. Thereby, the residue by the washing | cleaning which remained on the paper filter 21 falls to the waste bucket.

Moreover, in the above embodiment, although the washing | cleaning of the extraction chamber 20d is performed with the hot water which remained by the overflow washing | cleaning, when it is insufficient only, you may replenish newly hot water from the supply port 20a.

According to the embodiment described above, the hot water is collected in the mixing chamber 20b and overflowed into the trough 20g to wash the mixing chamber 20b, and then the hot water remaining in the mixing chamber 20b is extracted. Since the extraction chamber 20d is washed by being introduced into the chamber 20d and stirred, the entire cylinder 20 can be kept clean, and beverages having good flavor can always be extracted even without management for washing. have. Moreover, since hot water used for washing the mixing chamber 20b is reused for washing the extraction chamber 20d, the hot water can be saved and the drainage can be reduced.

In addition, when it is desired to shorten the washing time rather than reducing the amount of hot water used, as shown in Fig. 16, once hot water is introduced into the extraction chamber 20d, the communication port 20e is connected to the valve 23. The water may be closed to supply hot water from the supply port 20a, and the stirring and washing of the extraction chamber 20d and the overflow and washing of the mixing chamber 20a may be performed at the same time. At this time, the lower air solenoid valve 51 and the air solenoid valve 55 for opening are opened, the upper air solenoid valve 50 is closed, and the pressure in the extraction chamber 20d is released from the air solenoid valve 55 for opening the atmosphere. Release to the atmosphere.

As described above, according to the beverage extracting apparatus of the present invention, the cleaning liquid disposing means for guiding the washing liquid that overflows to the waste portion is provided in the upper chamber, and the cleaning liquid is disposed in the upper chamber in which communication with the extraction chamber is blocked by the blockage of the valve during the cleaning. Since it is configured to supply and overflow, the upper chamber can be cleaned in addition to the cleaning of the extraction chamber, and as a result, the entire cylinder can be kept clean. For this reason, a beverage with good flavor can always be extracted even without management.

Claims (5)

A beverage having an upper chamber installed at an upper portion of the extraction chamber via a communication port opened and closed by a valve, and a beverage material and hot water supplied from the upper chamber to the extraction chamber via a communication port communicated by opening the valve. In the extraction device, And a washing liquid disposing means provided in the upper chamber and guiding the washing liquid overflowed to the waste portion when the upper chamber is cleaned. 2. The cleaning solution disposing means according to claim 1, wherein the cleaning liquid disposing means includes a trough provided around the outside of the upper opening of the upper chamber, and a drain pipe communicating with the trough and the waste part, The upper chamber is a beverage extraction apparatus, characterized in that the cleaning liquid is supplied in a state in which communication with the extraction chamber is blocked by the closing of the valve. The beverage according to claim 1, wherein after the cleaning of the upper chamber, the extraction chamber communicates with the upper chamber through the communication port by opening the valve, the cleaning liquid is supplied and cleaned from the upper chamber. Extraction device. According to claim 3, wherein the extraction chamber has a valve for releasing the pressure inside the atmosphere, And the valve is opened when the cleaning liquid is supplied from the upper chamber to the extraction chamber via the communication port. The cleaning chamber of claim 1, wherein the extraction chamber is supplied with the cleaning liquid from the upper chamber via the communication port by opening the valve before cleaning the upper chamber. After the supply of the cleaning liquid to the extraction chamber, the upper chamber is supplied with the cleaning liquid in a state in which communication with the extraction chamber is blocked by the closing of the valve, And said extracting chamber and said upper chamber are configured to be cleaned at the same time after said upper chamber is filled with said cleaning liquid by supply of said cleaning liquid to said upper chamber.