JP6119249B2 - Beverage extractor - Google Patents

Description

  The present invention relates to a beverage extraction apparatus that is incorporated in a cup-type vending machine, a beverage dispenser, and the like and extracts coffee, tea-based beverages, and the like using raw materials such as ground coffee beans and ground tea leaves and hot water.

  Conventionally, as this type of beverage extraction device, for example, the one disclosed in Patent Document 1 already filed by the present applicant is known. This beverage extraction device is applied to a cup-type vending machine and uses a predetermined raw material and hot water to extract a beverage such as coffee. A cylindrical cylinder having an open upper surface and a lower surface, and a beverage on the upper surface. It has a filter for filtering, and is provided with a filter block provided below the cylinder so as to be able to move up and down, and a scraper for discharging the extracted residue that is a raw material remaining on the filter after the beverage is extracted.

  In this beverage extraction device, when a beverage is extracted, first, the filter block is raised to seal the lower surface of the cylinder. Next, raw materials and hot water are supplied to the cylinder, and the beverage is extracted in the cylinder. The extracted beverage passes through the inside of the filter block and is carried out to the outside while being filtered by the filter of the filter block. Next, when the filter block is lowered, the lower surface of the cylinder is opened, and the extraction soot remains on the filter of the filter block. Thereafter, the scraper moves on the filter block to scrape and discard the extracted soot on the filter.

JP 2008-168113 A

  In the beverage extraction device described above, the extracted straw after the beverage extraction is mechanically scraped off and forcedly removed by moving the scraper on the filter block. Thus, since it is necessary to provide a scraper having a structure that can be moved mechanically in order to remove the extraction basket after beverage extraction, the manufacturing cost of the beverage extraction device is increased and the reliability is reduced. It was also a factor. In addition, since the filter block only moves up and down, it is necessary to increase the vertical movement of the extraction koji according to the amount of the raw material, which is a factor of increasing the size of the beverage extraction device.

  Furthermore, since the filter block is only held in a horizontal state, a structure such as a solenoid valve for processing the extraction residual liquid is required, so this is also a device such as a cup-type vending machine or a beverage dispenser. As a result, the manufacturing cost is increased, the equipment is increased in size, and the equipment is reduced in size. In the market where devices such as cup-type vending machines and beverage dispensers are used, further miniaturization of these devices is demanded, and in particular, beverage dispensers such as coffee servers are strongly demanded to miniaturize devices.

  The present invention has been made to solve the above-described problems, and an object thereof is to provide a beverage extraction device that is small in size, low in cost, and easy to maintain.

In order to achieve the above object, a beverage extraction apparatus according to claim 1 of the present invention is a beverage extraction apparatus for extracting a beverage using raw materials and water, the lower surface is opened, and the raw materials and water are An extraction container for extracting a beverage supplied inside, and a filter that is repeatedly used on the upper surface; a sealing position that seals the lower surface of the extraction container below the extraction container; and The beverage is extracted from the extraction container when it is located at the sealing position, and the beverage to be carried out of the extraction container is when passing, the beverage filtration unit for residual extraction lees by filtering the beverage by the filter, the beverage filtration section wherein the sealing position and the open position and the beverage filtration unit variable to be displaced Means for controlling the beverage filtration part displacement means, and after the beverage has been carried out from the extraction container via the beverage filtration part, the beverage filtration part displacement means is controlled by the control means. The beverage filtration unit is held in a horizontal state when being positioned at the seal position, and is displaced into an obliquely inclined state in such a manner as to slide down the extraction basket remaining on the beverage filtration unit when being positioned at the open position. In the beverage extraction device to be held , the filter is provided with a plurality of dimples that form a water film on the upper surface on which the extract remains .

According to invention of Claim 1, it is a drink extraction apparatus for extracting a drink using a raw material and water, Comprising: The lower surface is open | released, The raw material and water are supplied, The extraction for performing the extraction of a drink inside A container and a filter that is repeatedly used on the upper surface; a sealing position that seals the lower surface of the extraction container below the extraction container; and an opening that is lower than the sealing position and opens the lower surface of the extraction container When the beverage is extracted from the extraction container when the beverage is transported from the extraction container, the beverage is filtered by the filter. controlling a beverage filtration unit for residual extraction lees by a beverage filtration unit displacement means for displacing the beverage filtration section in said open position and said sealing position, said beverage filtration unit displacement means And after the beverage is carried out from the extraction container via the beverage filtration unit, the beverage filtration unit displacing unit brings the beverage filtration unit to the seal position by the control by the control unit. In the beverage extraction device that holds the brewing apparatus in a state where it is held in a horizontal state when it is positioned, and is displaced in an obliquely inclined state in a manner that slides the extraction jar remaining on the beverage filtration unit when it is positioned in the open position, the filter comprises: By having a plurality of dimples that form a water film on the upper surface where the extract remains, it has a mechanically moving structure for removing the extract remaining as a raw material remaining on the filter after the beverage is extracted Since it is not necessary to provide a scraper or the like, it is possible to prevent an increase in manufacturing cost and a decrease in reliability of the beverage extraction device. Moreover, it is not necessary to increase the size of the beverage extraction device in accordance with the discharge amount (raw material amount) of the extract. In addition, because the extraction residual liquid is discharged obliquely downward, there is no need for a structure such as a solenoid valve for processing the extraction residual liquid, so the manufacturing cost of equipment such as cup-type vending machines and beverage dispensers As a result, the device does not increase and the device does not increase in size, and the device can be reduced in size. In this way, it is possible to provide a beverage extraction device that is small, low cost, and easy to maintain.

According to the first aspect of the present invention, the filter includes a plurality of dimples that form a water film on the upper surface on which the extraction trough remains, and the dimple is configured to form a water curtain so that the extraction trough is opened. The sliding resistance of the extraction basket, which is a raw material remaining on the filter after the beverage has been extracted, by being discharged obliquely downward from the filter held in an obliquely inclined position toward the operation front of the beverage extraction device. By halving the amount, it is possible to reliably discharge and discard the extracted soot without providing a scraper having a mechanically moved structure for removing the extracted soot after beverage extraction. Thus, it is possible to provide a beverage extraction device that is easy to maintain.

It is a figure which shows typically the internal structure of the drink dispenser provided with the drink extracting device which is embodiment of this invention. It is a control block diagram of the drink dispenser provided with the drink extraction apparatus shown in FIG. It is a diagonal side view which shows the state which has located the drink filtration part of the drink extracting device which is embodiment of this invention in the seal position. It is a cross-sectional perspective view of the beverage extraction apparatus shown in FIG. It is a side view of the extraction unit and drive unit of the beverage extraction apparatus shown in FIG. FIG. 6 is an oblique rear view of the extraction unit and the drive unit shown in FIG. 5. It is a diagonal side view which shows the state which located the drink filtration part of the drink extracting device shown in FIG. 3 in the open position. It is a cross-sectional perspective view which shows the state which located the drink filtration part of the drink extraction apparatus shown in FIG. 4 in the open position. It is a side view of the extraction unit which shows the state which has located the drink filtration part of the drink extraction apparatus shown in FIG. 5 in the open position. FIG. 7 is an oblique rear view of the extraction unit showing a state in which the beverage filtration unit of the beverage extraction device shown in FIG. 6 is located at the open position. It is the elements on larger scale which show the dimple shape of the filtration hole of a mesh filter. It is a figure which shows the drink extraction process of the drink extracting device which is embodiment of this invention.

Hereinafter, preferred embodiments of a beverage extraction device according to the present invention will be described in detail with reference to the drawings. Note that the present invention is not limited to the embodiments.
The beverage extraction device of this embodiment is incorporated in a cup-type vending machine, beverage dispenser, etc., and extracts coffee, tea-based beverages, etc. using raw materials such as ground coffee beans and ground tea leaves and hot water. .

  FIG. 1 schematically shows an internal structure of a beverage dispenser provided with a beverage extraction device according to an embodiment of the present invention. As shown in the figure, a beverage dispenser 1 extracts coffee using ground coffee beans and hot water (water) by a coffee extraction device 2 (beverage extraction device) and provides it to a user.

  The beverage dispenser 1 includes a coffee extraction device 2, a raw material supply device 3 for supplying a predetermined amount of ground coffee beans and hot water to the coffee extraction device 2, a hot water supply device 4, and a gear pump for air delivery and extraction liquid suction. 5 is provided. Moreover, these are controlled by the control part (control means) 90, as shown in FIG.

  The raw material supply device 3 includes a raw material canister 3a that stores coffee beans, and a mill 3b that grinds the coffee beans supplied from the raw material canister 3a into ground coffee beans. At the time of coffee extraction, the coffee beans supplied from the raw material canister 3 a to the mill 3 b are ground into a powder by the mill 3 b, and the ground coffee beans (hereinafter also referred to as “raw material”) are supplied to the coffee extraction device 2.

  The hot water supply device 4 is provided with a hot water tank 4a for storing heated hot water and a hot water valve 4b composed of an electromagnetic valve. When extracting coffee, the hot water valve 4b is opened to remove the hot water tank 4a from the hot water tank 4a. A certain amount of hot water is supplied to the coffee extraction device 2 via the hot water supply pipe 4c.

  When the pump 5a is rotated in one direction, the gear pump 5 takes in air from the pipe line 5b, sends the taken-in air from the pipe line 5c to the coffee pipe line 27 of the coffee brewing device 2, and is rotated in the other direction. And the coffee sucked from the coffee pipe 27 through the pipe 5c and discharged from the pipe 5b and supplied to a beverage container such as a cup. When the pump 5a is rotated in one direction, the air taken in from the pipe 5b by the pump 5a is supplied into the cylinder 22 from the filter block 23 of the coffee brewing device 2 through the pipe 5c and the coffee pipe 27. The coffee grounds and hot water raw material mixture charged in the cylinder 22 are stirred to extract coffee. When the pump 5a is rotated in the other direction, the coffee extracted in the cylinder 22 is filtered by the mesh filter 24 of the filter block 23 and passes through the inside of the filter block 23 (see FIG. 4 above). It is sucked by the gear pump 5 and is taken out through the coffee pipe 27, the pipe 5c, and the pipe 5b, poured into a beverage container such as a cup, and provided to the user of the beverage dispenser 1.

  FIG. 2 is a block diagram showing the control of the beverage dispenser 1 provided with the coffee brewing device 2, and a control unit (control means) 90 for controlling the beverage extraction and the like in the beverage dispenser 1 is a CPU 91 as a central processing unit. A ROM (Read Only Memory) 92 for storing a control program for the CPU 91, and a RAM (Random Access Memory, for example, the raw material canister 3a for storing coffee beans for storing various programs and data necessary for the control of the CPU 91. (The time for supplying and the time for opening the hot water valve 4b are stored) 93, a timer 94 for counting clocks generated by a reference clock generator (not shown) and measuring various times, and the beverage dispenser 1 are provided. It is comprised from the electricity supply part 95 which has a power circuit which supplies electricity to each apparatus.

  Further, the controller 90 inputs various setting data of the beverage dispenser 1 (for example, the time when the raw material canister 3a supplies the coffee beans and the time when the hot water valve 4b is opened) and the rotor 35 (see FIG. 6). ) And the like are connected.

  Then, based on the information stored in the RAM 93 and the information output from the rotor angle sensor 97, the control unit 90 supplies the material canister 3a, the mill 3b, the hot water valve 4b, the gear pump 5, the rotor drive motor 98, and the like. Energization control is performed.

  Next, the coffee extraction device 2 will be described in detail. FIG. 3 is an oblique side view showing a state in which the filter block (beverage filtration unit) 23 of the coffee extraction device 2 according to the embodiment of the present invention is positioned at the seal position, and FIG. 4 is a coffee extraction shown in FIG. FIG. 5 is a cross-sectional perspective view of the device 2, FIG. 5 is a side view of the extraction unit 20 and the drive unit (beverage filtration unit displacing means) 30 of the coffee extraction device 2 shown in FIG. 3, and FIG. 6 is shown in FIG. 2 is an oblique rear view of an extraction unit 20 and a drive unit 30 of the coffee extraction device 2. FIG.

  7 is an oblique side view showing a state in which the filter block 23 of the coffee brewing apparatus 2 shown in FIG. 3 is located at the open position, and FIGS. 8 to 10 are also shown in FIGS. It is a figure which shows the state which has located the filter block 23 of the coffee extraction apparatus 2 in the open position.

  As shown in the figure, the coffee extraction device 2 includes an extraction unit 20 for extracting coffee, a drive unit 30 that drives a premixing device 21 and a filter block 23 (to be described later) of the extraction unit 20, an extraction unit 20, and It is comprised with the unit main body 40 to which the drive unit 30 is attached. The unit main body 40 is fixed and attached in the beverage dispenser 1.

  The extraction unit 20 premixes the supplied raw materials (coffee beans ground coffee beans, crushed tea leaves, etc.) and hot water, and discharges them as a raw material mixture in which the raw materials and hot water are mixed. A cylinder (extraction container) 22 that extracts coffee from the raw material mixture in which the raw material and hot water supplied from the device 21 are mixed, and a filter block 23 that carries the coffee in the cylinder 22 to the outside while filtering the coffee. It consists of and.

  The premixing device 21 has a cylindrical main body 21a which is formed in a cylindrical shape and is open at one end, a raw material loading / unloading opening 21b which is an opening for loading / unloading raw materials into / from the cylindrical main body 21a, and an open end of the cylindrical main body 21a is closed. The hot water supplied from the hot water tank 4a through the hot water supply line 4c is ejected by opening the cylindrical lid 21c, the gear 21d formed coaxially with the cylindrical main body 21a, and the hot water valve 4b. And the hot water nozzle 21e.

  The cylinder 22 is made of plastic, and is formed in a cylindrical shape that extends in the vertical direction and has an upper surface and a lower surface that are open. A guide portion 22 a that is used when the cylinder 22 is attached to and detached from the unit main body 40 is provided on the outer peripheral surface of the cylinder 22.

  The filter block 23 is a circular mesh filter 24 for filtering coffee, a wide ring packing 25 provided so as to surround the mesh filter 24, and coffee that receives coffee filtered by the mesh filter 24. It is comprised with the receiving part 26. FIG. And the coffee pipe part 27 for discharging | emitting the coffee filtered with the mesh filter 24 is connected to the coffee receiving part 26, coffee is sucked out from the coffee receiving part 26 by the gear pump 5, and drinks, such as a cup. Provided by pouring into a container.

  The mesh filter 24 is made of a thin metal plate that is slightly smaller than the inner diameter of the cylinder 22, and the filtration hole 24 a for filtering the beverage is formed of a large number of pores having a predetermined diameter (for example, 20 μm). A dimple 24b having a diameter of about 100 μm and a depth of 5 to 10 μm is formed above the filtration hole 24a (see FIG. 11).

  The filter block 23 configured as described above opens a seal position (see FIGS. 3 to 6) for sealing the lower surface of the cylinder 22 by the drive unit 30 and a lower position below the seal position and the lower surface of the cylinder 22. It is driven so as to be displaced between the open positions (see FIGS. 7 to 10).

  The drive unit 30 includes a link mechanism 31 that moves the filter block 23 up and down and a cam mechanism 34. When the filter block 23 is positioned at the seal position, the upper surface of the packing 25 is the periphery of the lower surface of the cylinder 22. It is held in a horizontal state in a state of being in contact with the part and sealed. As the seal position is lowered to the open position, the horizontal position is changed to the inclined state, and the upper side of the mesh filter 24 is directed to the operation side front of the coffee brewing apparatus 2 in this state.

  The link mechanism 31 includes a slider 32 that slides up and down, and a link piece 33 that rotates clockwise and counterclockwise as the slider 32 moves up and down. One end of the link piece 33 is rotatably supported on the unit main body 40 by a shaft 33a, and the other end is rotatably supported on the other end of the slider 32 and both ends of the coffee receiving portion 26 of the filter block 23. One end of the slider 32 is pivotally supported by the slider body 36.

  The cam mechanism 34 includes a rotor 35 that is rotated by driving a rotor drive motor 98 (see FIG. 2), a cam 37 that is in contact with an outer peripheral edge 35b of a disk portion 35a of the rotating rotor 35, and a premixing device 21. And a slider body 36 integrally having a rack 38 for rotating the.

  When the rotor 35 is rotationally driven by the rotor drive motor 98, the outer peripheral edge 35b of the disk portion 35a rotates in contact with the inner peripheral edge 37a of the cam 37, and this disk portion 35a is inwardly connected to the inner peripheral edge 37a of the cam 37. The slider main body 36 is also raised by rotating in contact and rising, and the slider main body 36 is also lowered by rotating and lowering the disk portion 35 a in contact with the inner peripheral edge 37 a of the cam 37. When the slider main body 36 moves up and down in this way, the slider 32 supported by the shaft also moves up and down, and the link piece 33 rotates clockwise and counterclockwise about the shaft 33a.

  When the slider body 36 is raised (see FIGS. 3 to 6), the slider 32 pivotally supported by the slider body 36 is also raised, and the link piece 33 is rotated in the clockwise direction (as viewed from the left side in FIGS. 5 and 6). ), The filter block 23 is positioned at the sealing position, and the packing 25 is held in the horizontal state in a state where the upper surface of the packing 25 is in contact with the peripheral surface of the lower surface of the cylinder 22 for sealing.

  When the slider body 36 is lowered (see FIGS. 7 to 10), the slider 32 supported by the slider body 36 is also lowered, and the link piece 33 is rotated counterclockwise (as viewed from the left side in FIGS. 5 and 6). And the filter block 23 is lowered from the seal position to the open position, and is displaced from holding the horizontal state to holding the inclined state.

  Next, the premixing device 21 that rotates as the slider body 36 moves up and down will be described. A rack 38 provided in the slider main body 36 meshes with a pinion 39 connected coaxially with a gear 39a, and a gear 21d provided coaxially with the premixing device 21 meshes with the gear 39a.

  When the slider main body 36 is raised (see FIGS. 3 to 6), the rack 38 provided in the slider main body 36 is also raised, and the pinion 39, the gear 39a, and the gear 21d are rotated as the rack 38 is raised. Thus, the premixing device 21 stops at the position where the raw material loading / unloading opening 21b shown in FIG. 4 is opened downward.

  When the slider body 36 is lowered (see FIGS. 7 to 10), the rack 38 provided on the slider body 36 is also lowered, and the pinion 39, the gear 39a, and the gear 21d are rotated as the rack 38 is lowered. Thus, the premixing device 21 stops at the position where the raw material loading / unloading opening 21b shown in FIG.

  The unit main body 40 includes a right panel 41 to which the extraction unit 20 and the drive unit 30 are attached, a left panel 42, and a panel connecting portion 43. In the right panel 41 and the left panel 42, one end of the link piece 33 is rotatably supported by a shaft 33a, shaft support portions 41a and 42a, guide slits 41b and 42b for guiding the lifting and lowering of the slider body 36, and the slider 32. A slider main body 36 pivotally supported by the shaft, slide holes 41c, 42c through which the link piece 33 slides in the vertical direction, guide ribs 41d into which guide portions 22a used when the cylinder 22 is attached to and detached from the unit main body 40 are fitted, 42d is provided. The panel connecting portion 43 is provided with a raw material chute 43 a for supplying raw materials to the premixing device 21.

  The process of extracting coffee in the beverage dispenser 1 equipped with the coffee extraction device 2 described above will be described in detail with reference to the process diagram of FIG. First, at the standby position shown in FIG. 12A, when a coffee extraction signal is output from the CPU 91 of the controller 90 and the rotor drive motor 98 is energized, as shown in FIG. Is rotated, and the slider 35 a descends when the disk portion 35 a rotating in contact with the inner peripheral edge 37 a of the cam 37 is lowered, and the raw material loading / unloading opening 21 b of the premixing device 21 is opened upward. While rotating and stopping, the link mechanism 31 lowers the filter block 23 from the seal position to the open position, and displaces it from holding the horizontal state to holding the inclined state. Then, when the raw material canister 3a and the mill 3b are energized, ground coffee beans are supplied from the raw material chute 43a into the premixing device 21 via the raw material carry-in / out opening 21b.

  Then, after the ground coffee beans are supplied into the pre-mixing device 21, as shown in FIG. 12 (c), a predetermined amount of hot water is supplied from the hot water tank 4a through the hot water supply line 4c by opening the hot water valve 4b. A disk portion that is supplied from the hot water nozzle 21e and premixes the ground coffee beans and hot water, and rotates in contact with the inner peripheral edge 37a of the cam 37 when the rotor drive motor 98 is energized to rotate the rotor 35. When the slider body 36 is raised, the slider main body 36 is raised, the raw material loading / unloading opening 21b of the premixing device 21 is rotated to a position opened downward, and stopped, and the filter mechanism 23 is moved from the open position by the link mechanism 31. It is positioned at the sealing position, and the packing 25 is held and sealed in a horizontal state in a state where the upper surface of the packing 25 is in contact with the lower peripheral edge of the cylinder 22. Then, the ground coffee and hot water raw material mixture premixed in the premixing device 21 is unloaded from the raw material loading / unloading opening 21 b and flows down into the cylinder 22 and accumulates on the mesh filter 24 of the filter block 23.

  When the ground coffee beans and hot water raw material mixture accumulates on the mesh filter 24 of the filter block 23, the gear pump 5 is energized to rotate the pump 5a in one direction to take in air from the pipe 5b, and the taken-in air is piped. It is sent out from the path 5c to the coffee pipe line 27, supplied from the coffee receiving portion 26 of the filter block 23 into the cylinder 22 through the mesh filter 24, and the raw coffee coffee beans and hot water mixture put into the cylinder 22 is supplied. Stir to extract coffee.

  When the ground coffee beans and hot water raw material mixture is stirred for a predetermined time to extract coffee, the pump 5a is rotated in the other direction and sucked from the pipe 5c, and the coffee extracted in the cylinder 22 is meshed with the filter block 23. It is filtered by passing through the filter 24, the coffee pipe 27 and the pipe 5 c are passed from the coffee receiving portion 26, and the coffee sucked by the gear pump 5 is carried out from the pipe 5 b to the outside to be a beverage container such as a cup. To the user of the beverage dispenser 1. In this way, when coffee is sucked from the ground coffee beans and hot water raw material mixture by the gear pump 5, the extracted residue, which is the raw material remaining on the mesh filter 24 after the coffee is extracted, remains.

  Then, when the extracted coffee is sucked and filtered by the gear pump 5 and provided to the user of the beverage dispenser 1, the rotor drive motor 98 is energized, and as shown in FIG. Is rotated, and the slider 35 a descends when the disk portion 35 a rotating in contact with the inner peripheral edge 37 a of the cam 37 is lowered, and the raw material loading / unloading opening 21 b of the premixing device 21 is opened upward. While rotating and stopping, the link mechanism 31 lowers the filter block 23 from the seal position to the open position, and displaces it from holding the horizontal state to holding the inclined state.

  When the filter block 23 descends to the open position and is displaced to maintain the inclined state, it is made of a thin metal plate and has a diameter of about 100 μm and a depth of 5 to 10 μm on the upper side of the filtration hole 24a for filtering the beverage. The extracted soot remaining on the mesh filter 24 in which the dimples (bumps) 24b are formed has a water curtain on the dimple 24b, so that the sliding resistance of the extract soot is reduced by half, so that a scraper, etc. It is possible to slide down the mesh filter 24 without using any mechanical structure, and to reliably discharge and discard the extracted soot.

Although the state shown in FIG. 12A is the standby position, the state after the extraction basket shown in FIG. 12D is discharged and discarded may be used as the standby position.
As described above, according to the present invention, it is a coffee extraction device 2 for extracting beverages using raw materials and water, the lower surface is opened, raw materials and water are supplied, and beverages are extracted inside. And a mesh filter 24 that is repeatedly used on the upper surface, a seal position that seals the lower surface of the cylinder 22 below the cylinder 22, and a lower position that is lower than the seal position and that opens the lower surface of the cylinder 22 The beverage is extracted in the cylinder 22 when it is located at the sealing position, and when the beverage discharged from the cylinder 22 passes, the beverage is filtered by the mesh filter 24. a filter block 23 allowed to remain extracted grounds and, driving units for displacing the filter block 23 in the sealing position and an open position 30 and a control unit 90 that controls the drive unit 30, and after the beverage is carried out from the cylinder 22 through the filter block 23, the drive unit 30 controls the filter block 23 by the control by the control unit 90. In the beverage extractor , which is held in a horizontal state when being positioned at the seal position, and is displaced and held in an obliquely inclined state in a manner to slide down the extraction basket remaining on the filter block 23 when being positioned in the open position, the mesh The filter 24 is provided with a plurality of dimples 24b that form a water film on the upper surface on which the extracted residue remains, thereby removing the extracted residue that is a raw material remaining on the mesh filter 24 after the beverage is extracted. Since there is no need to provide a scraper having a structure to be moved to It is possible to prevent the second manufacturing cost increase and reliability deterioration. In addition, it is not necessary to increase the size of the coffee extraction device 2 in accordance with the discharge amount (raw material amount) of the extract. In addition, because the extraction residual liquid is discharged obliquely downward, there is no need for a structure such as a solenoid valve for processing the extraction residual liquid, so the manufacturing cost of equipment such as cup-type vending machines and beverage dispensers As a result, the device does not increase and the device does not increase in size, and the device can be reduced in size. Thus, it is possible to provide a coffee brewing device 2 that is small, low-cost, and easy to maintain.

  The drive unit 30 is constituted by a link mechanism 31 that moves the filter block 23 up and down and rotates. As the filter block 23 is lowered from the seal position to the open position, the drive unit 30 is displaced from holding the horizontal state to holding the inclined state. By doing so, there is no need to provide a scraper having a mechanically moving structure for removing the extracted soot that is a raw material remaining on the mesh filter 24 after the beverage is extracted. Moreover, since the extraction residual liquid is discharged obliquely downward, a structure such as an electromagnetic valve for processing the extraction residual liquid is not required, and thus the apparatus can be miniaturized. Thus, it is possible to provide a coffee brewing device 2 that is small, low-cost, and easy to maintain.

  In addition, the filter block 23 held in an obliquely inclined state at the open position provides the coffee extraction device 2 with easy cleaning maintenance when the upper side of the mesh filter 24 faces the operation side front of the coffee extraction device 2. Is possible.

  In addition, the extraction culm that is the raw material after extraction remaining on the upper side of the mesh filter 24 is obliquely downward from the mesh filter 24 held in an obliquely inclined state at the open position toward the front side of the coffee extraction device 2 on the operation side. By discharging at an inclination, it is possible to provide a coffee brewing device 2 in which the brewing cake can be easily discarded.

  Further, the mesh filter 24 has a dimple 24b shape on the upper side of the filtration hole 24a for filtering the beverage, and a water curtain is formed on the dimple 24b so that the extraction basket is held in an obliquely inclined state at the open position. By draining from the filter 24 obliquely downward toward the operation front of the coffee brewing apparatus 2, the sliding resistance of the extraction mash, which is a raw material remaining on the filter after the beverage has been extracted, is reduced by half. A small, low-cost, easy-to-maintain coffee extraction device that can reliably discharge and discard the extracted soot without providing a scraper having a mechanically moving structure for removing the later extracted soot 2 can be provided.

1 Beverage Dispenser 2 Coffee Extraction Device (Beverage Extraction Device)
22 Cylinder (extraction container)
23 Filter block (beverage filtration part)
24 mesh filter (filter)
30 Drive unit (displacement means for beverage filtration part)
31 Link mechanism 90 Control unit (control means)

Claims (1)

A beverage extraction apparatus for extracting a beverage using raw materials and water, comprising an extraction container for extracting a beverage inside thereof, the bottom surface of which is opened, the raw materials and water are supplied, and a filter used repeatedly It is provided on the upper surface, and is provided below the extraction container so as to be displaceable between a sealing position that seals the lower surface of the extraction container and an open position that is lower than the sealing position and opens the lower surface of the extraction container. Beverage is extracted in the extraction container when positioned at the sealing position, and when the beverage transported from the extraction container passes, the beverage is filtered by the filter to leave the extraction basket A beverage filtering part displacing means for displacing the beverage filtering part to the sealing position and the open position, and a control means for controlling the beverage filtering part displacing means, After the beverage is carried out from the extraction container through the beverage filtration unit, the beverage filtration unit displacing unit holds the beverage filtration unit in a horizontal state when the beverage filtration unit is positioned at the seal position by the control of the control unit. In the beverage extraction device that holds the extracted scum remaining on the beverage filtration part while sliding it in an obliquely inclined state when being placed in the open position, the filter has water on the upper surface where the extracted scum remains. A beverage extraction apparatus comprising a plurality of dimples forming a film .