JP2003010050A - Beverage extractor - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a beverage extractor for which the turning guiding mechanism of a guiding member guiding an extraction material to an extraction cylinder is miniaturized and a manufacturing cost is reduced. SOLUTION: A powder chute 6 is constituted of a gutter member 26 and the guiding member 27 rotatably attached to the lower end part of the gutter member 26 and guiding coffee powder guided by the gutter member 26 to a cylinder part 38. Also, an extraction unit 4 is constituted of a cylinder unit 30 attached to a base member 3 by screwing or the like, a piston unit 31 in an almost frame body shape vertically movably attached to the cylinder unit 30, and a removal unit 32 attached to the left side face part of the cylinder unit 30. Then, the guiding member 27 is rotated accompanying the vertical movement of the piston unit 31 through a guide member 63 attached to the front surface side of the piston unit 31 of the extraction unit 4.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a beverage brewing machine for introducing a brewing substance into a brewing cylinder by an introducing member and compressing it by a compressing means to brew a beverage, and particularly to a vertical guide member constituting the compressing means. By adopting a mechanism configuration in which the guide member constituting the introduction member is rotationally guided through the positioning member to be combined, the mechanism configuration for rotationally guiding the guide member can be simplified, and the rotation guide mechanism of the guide member The present invention relates to a beverage extractor that can be downsized and manufacturing costs can be reduced.

[0002]

2. Description of the Related Art Conventionally, various types of beverage extractors have been proposed in which coffee powder or the like is put into an extraction cylinder, which is compressed by a piston or the like, and then a beverage is extracted by pressurizing and extracting hot water. For example, a brewing device for a coffee machine and a processor for manufacturing coffee described in Japanese Patent Publication No. HEI 5-506389 include a brewing cylinder having a cylindrical hollow portion provided with two pistons, thereby providing a cylindrical hollow. The part can be closed to form a brewing chamber, the brewing cylinder and the piston are relatively displaceable along the axis of the brewing cylinder, the brewing cylinder is arranged vertically, one upper piston supports the brewing device Non-displaceably arranged in a frame for storing, the upper piston at least far enough from the upper end of the brewing cylinder in the filling position so that coffee powder can be introduced into the hollow by a rotatable hopper, the other lower part The piston is freely displaceable along the hollow part of the brewing cylinder and It is prevented by a stop installed in the part from coming out of the hollow part and being used as an introduction means, the lower piston has a hollow cylindrical shaft facing away from the brewing cylinder, and the brewing cylinder has moved downwards. Sometimes the cylindrical shaft is guided on a cylindrical connector located opposite the upper piston and connected to the frame, the shaft and / or the connector providing relative movement of the lower piston with respect to the extraction cylinder. There are blocking means to temporarily block,
A brewing device for coffee making is constructed by having a removing device for removing the coffee remaining on the lower piston as soon as the upper end of the brewing cylinder is substantially level with the upper end face of the lower piston. Has been done. As a result, the capacity of the extraction chamber can be adjusted to the amount of coffee powder to be processed at each extraction, and the structure can be simplified.

[0003]

However, in the coffee machine brewing apparatus and the coffee manufacturing processor described in the above-mentioned Japanese Patent Publication No. 5-506389, the cylinder 9 for brewing a predetermined amount of coffee powder is used.
In the hopper 12 introduced into the hopper 12, the brewing cylinder 9 moving upward reaches the inclined bottom of the hopper 12, and then the hopper 12 rotates outward as the brewing cylinder 9 moves and hits the outer surface of the brewing cylinder 9. Since they are in contact with each other, there is a problem that abrasion powder generated by friction between the hopper 12 and the brewing cylinder 9 may enter the brewing cylinder 9 and impair the quality of the brewed beverage. Also,
Since the hopper 12 is worn by the friction with the extraction cylinder 9, there is a problem that the usable period is short and the running cost is increased.

Therefore, the present invention has been made to solve the above-mentioned problems, and the guide member constituting the introducing member is rotationally guided through the positioning member which is combined with the vertical guide member constituting the compressing means. By adopting the above-described mechanism configuration, a beverage brewing machine that can simplify the mechanism configuration for rotationally guiding the guide member, and can reduce the size of the rotational guide mechanism of the guide member and the manufacturing cost can be achieved. The purpose is to provide. Further, since the guide member is rotationally guided through the positioning member that is combined with the upper and lower guide members without friction with other members, it is possible to improve the quality of the extracted beverage without generating abrasion powder and the like, It is an object of the present invention to provide a beverage extractor that can reduce running costs.

[0005]

In order to achieve the above object, a beverage brewing machine according to a first aspect of the present invention is a beverage brewing machine which introduces a brewing substance into a brewing cylinder, and a compression which compresses the brewing substance in the brewing cylinder. In the beverage brewing machine including means, the introducing member has a guide member, the compression means has a vertical guide member for guiding the vertical movement of the compression means, the guide member, When the compression means is located above the upper opening of the extraction cylinder by a predetermined height and has a positioning member to be combined with the vertical guide member, the guide member works in cooperation with the vertical guide member and the positioning member. When the extraction means is pivotally guided to a position where it can be introduced into the extraction cylinder and the compression means enters the extraction cylinder, the guide member compresses by the cooperation of the vertical guide member and the positioning member. Stage characterized in that it is guided movement times two movable position downward.

A beverage extractor according to a second aspect is the beverage extractor according to the first aspect, wherein the compression means is moved above the predetermined height, and the extraction substance in the extraction cylinder is moved upward. When the compression means is located above the predetermined height, the guide member is provided with a vertical guide when the compression means is positioned above the predetermined height, and the extrusion means pushes out to the opening and the discharge means that discharges the extraction substance pushed out by the extrusion means. The discharge means is pivotally guided to a movable position by the cooperation of the member and the positioning member.

A beverage extractor according to a third aspect is the beverage extractor according to the second aspect, wherein the discharging means moves the substance to be extracted along the upper end surface portion of the extraction cylinder, and the extraction cylinder. The extracted substance is dropped outward from a predetermined edge of the discharge cylinder and discharged, the guide member is provided at a position facing the predetermined edge of the extraction cylinder, and the compression means enters the extraction cylinder. in case of,
It is characterized in that the extraction substance is pivotally guided to a retracted position capable of guiding the extraction substance downward by the cooperation of the vertical guide member and the positioning member.

A beverage brewing machine according to a fourth aspect is the beverage brewing machine according to the third aspect, wherein the predetermined edge portion of the brewing cylinder has an inclined surface portion formed to be inclined obliquely downward and outward. The guide member is characterized in that a tip end portion of the guide member comes into contact with the slope portion when being guided to rotate to the retracted position.

Further, the beverage extractor according to claim 5 is the beverage extractor according to claim 3 or 4, further comprising a recovery container for recovering the discharged extraction substance, wherein the recovery container is an upper portion. It is characterized in that it has an opening portion open to the bottom and is arranged below a predetermined edge portion of the extraction cylinder.

[0010]

BEST MODE FOR CARRYING OUT THE INVENTION First to fourth embodiments in which the beverage extractor according to the present invention is embodied as an espresso coffee extractor will be described in detail below with reference to the drawings. First, a schematic configuration of the espresso coffee extractor according to the first embodiment will be described with reference to FIGS. 1 and 2. FIG. 1 is a front view showing a schematic configuration of an espresso coffee extractor according to the first embodiment. FIG. 2 is a side view showing a schematic configuration of the espresso coffee extractor according to the first embodiment.

As shown in FIGS. 1 and 2, an extraction unit 4 for extracting espresso coffee is arranged on a base member 3 in a substantially box-shaped exterior case 2 constituting the exterior of the espresso coffee extractor 1. A pair of coffee mills 5 and 5 arranged above the extraction unit 4, a powder shooter 6 for introducing the coffee powder ground by the coffee mills 5 and 5 into the extraction unit 4 from the front side, and each coffee mill A pair of bean hoppers 7, 7 disposed on the upper side of the coffee mills 5 and 5 for introducing coffee beans, and a pair of mills disposed behind the coffee mills 5, 5 and driving the coffee mills 5, 5. Drive motors 8, 8 are arranged. Further, on the right side of the brewing unit 4, a receiving box 10 into which the espresso coffee-extracted cake-like coffee powder removed from the brewing unit 4 is put is arranged so as to be taken out from the outside. Further, a boiler tank 11 is provided on the back side of the receiving box 10, and espresso coffee extraction is supplied to a spirally-shaped copper heating pipe (not shown) arranged in the boiler tank 11. The water is heated to a predetermined temperature. Also, this boiler tank 11
On the left side of the pressurizing pump 12, a pressurizing pump 12 for pumping the espresso coffee extracted water at a predetermined pressure (in the first embodiment, about 600 kPa to 1 MPa) is arranged in a heating pipe arranged in the boiler tank 11. ing. As a result, the pressurized hot water is supplied to the extraction unit 4 via the pressure pump 12 and the heating pipe in the boiler tank 11.

A front cover 14 bulging forward is attached to the front surface of the outer case 2, and eight operation buttons 15 are arranged in two columns in a vertical direction at a substantially central portion of the front surface of the front cover 14. Four of each are arranged. A circuit board 16 on which a control circuit for controlling the drive of the espresso coffee brewing machine 1 is formed is arranged in the front cover 14. Further, a coffee pouring nozzle 17 for pouring the extracted espresso coffee is drawn out in a substantially central portion of the lower end surface of the front cover 14. Also,
A steam pouring handle 19 is arranged on the front side of the lower left corner of the front cover 14, and steam is spouted from a steam pouring nozzle 20 that is drawn downward by operating the steam pouring handle 19. .

The lower front portion of the front cover 14 has a
A drain plate 21 on which the slats are placed is attached to the upper side. The leg members 23, 23, 23, 23 are fixedly installed at four locations on the lower surface of the base member 3, and the espresso coffee brewing machine 1 has these leg members 23, 2
It is arranged on a table or the like via 3, 23, 23.

Next, a schematic structure of the extraction unit 4 and the powder shooter 6 for extracting espresso coffee will be described with reference to FIGS. 3 to 7. FIG. 3 is a perspective view showing a schematic configuration of the extraction unit 4 and the powder shooter 6 of the espresso coffee extractor 1 according to the first embodiment. FIG. 4 is a view showing a guide member of the powder shooter 6 of the espresso coffee extractor 1 according to the first embodiment, (A) is a side view, and (B) is a view.
Is a plan view. FIG. 5 is a perspective view showing a schematic configuration of the extraction unit 4 of the espresso coffee extractor 1 according to the first embodiment. FIG. 6 is a right side view showing a schematic configuration of the extraction unit 4 of the espresso coffee extractor 1 according to the first embodiment. 7: is a figure which shows the guide member attached to the extraction unit 4 of the espresso coffee extractor 1 which concerns on 1st Embodiment, (A) is a side view, (B) is a rear view.

As shown in FIG. 3, the powder shooter 6 is provided with a gutter member 26 fixed to a beam member 25 horizontally extending in the outer case 2 by screws or the like, and the gutter member 26.
6 is rotatably attached to the lower end of the cylinder, and the coffee powder guided by the gutter member 26 is transferred to the cylinder tubular portion 38 (FIG.
And a guide member 27 that guides the user to (see).
The gutter member 26 is provided with coffee powder supplied from the coffee mills 5 and 5, and has a powder introduction part 26A having a generally upward triangular shape with a wide upper part and a narrower lower part, and a welded part to the lower end part of the powder introducing part 26A. And a tubular portion 26B having a substantially quadrangular horizontal cross section that is fixed by.

Further, as shown in FIG. 4, a guide member 27
Is a substantially trapezoidal flat plate portion 27A and the flat plate portion 27A.
The left and right edge portions (upper and lower edge edges in FIG. 4 (B)) of the respective side surface portions 27B and 27C extending substantially at right angles in the upper direction. Approximately half the front side (rightward in FIG. 4) of each of the side surface portions 27B and 27C is formed to have a width dimension of about half the height, and the front half of the front side portion is covered with the lid portion 27.
Covered by D. In addition, each side surface portion 27B, 27
Through holes 28A, 28B are formed at the rear end corners of C, and are rotatably attached to the end edges of the tubular portion 26B via the through holes 28A, 28B. In addition, the guide member 2
When 7 rotates to the side of the tubular portion 26B, the end face portion of the tubular portion 26B is inserted between the side surface portions 27B and 27C, and
It is configured to face the flat plate portion 27A. Also,
An insertion shaft 29 is erected in the outer direction at a substantially central portion of the side surface portion 27B. As will be described later, the guide member 27 is rotated at the end edge portion of the tubular portion 26B via the insertion shaft 29 (see FIGS. 8 to 10).

As shown in FIGS. 5 and 6, the extraction unit 4 has a cylinder unit 30 attached to the base member 3 by screwing or the like, and a substantially frame attached to the cylinder unit 30 so as to be vertically movable. It is composed of a body-shaped piston unit 31 and a removal unit 32 attached to the left side surface of the cylinder unit 30.

Further, the cylinder unit 30 includes a front cylinder mounting member 34 having a crank shape in a vertical cross section which is erected on the front end edge of the base member 3 by screwing or the like, and a rear cylinder mounting member 34 facing the front cylinder mounting member 34. A rear cylinder mounting member 35 having a crank shape in a vertical cross section, which is erected on the side by screwing, and a cylinder mounted on the front cylinder mounting member 34 and the rear cylinder mounting member 35 and fixed by screwing or the like. And a member 36.

The front and rear direction of the cylinder member 36 (see FIG. 6)
A guide bearing 37, which has a through hole that vertically penetrates and which guides the shaft in the vertical direction, is attached to the inside in a substantially central portion in the middle (left-right direction). Further, on the front side of the guide bearing 37, the cylinder tube portion 3 having a horizontal cross-section with a predetermined depth is circular.
8 is formed, and a through hole 39 is formed at the center of the bottom surface of the cylinder tubular portion 38. In addition, a pouring through hole 40 for pouring hot water pressurized in a substantially rightward and outward direction is formed in a substantially central portion in the vertical direction of the through hole 39, and an outer end face portion is not shown. The pipe fitting of is attached. Further, a horizontal circular extrusion member 41 having a substantially T-shaped vertical cross section is inserted into the cylinder tubular portion 38 from the upper opening to substantially cover the bottom surface portion of the cylinder tubular portion 38 and from the pouring through hole 40. It is configured to supply the poured hot water into the cylinder tubular portion 38. Further, the pushing member 41 is urged downward by the spring 42,
Normally, the bottom surface of the cylinder tubular portion 38 is pressed to seal the bottom surface of the cylinder tubular portion 38.
Further, a through hole that vertically penetrates is formed on the rear side of the guide bearing 37. Then, a screw member 45 formed by penetrating a female screw portion from the upper side to the central portion is fitted into the through hole, and is attached by the screws 46, 46, 46, 46. Incidentally, a through hole having a predetermined diameter is bored at a position of the rear cylinder mounting member 35 facing the female screw portion of the screw member 45 so that a lead screw screw 54, which will be described later, can be inserted therethrough.

The piston unit 31 has a guide shaft 50 fitted into a guide bearing 37 of a cylinder member 36, and a guide shaft 50 having a predetermined length. An upper frame member 51 and a lower frame member 52, each of which has a predetermined thickness and is provided to face each other, and each frame member 5
The front frame member 53 attached to the front end face portions of the first and second cylinders 52 and facing the front face portion of the front cylinder attachment member 34, and the screw member 45 of the cylinder member 36 are screwed together, and the rear sides of the respective frame members 51 and 52. The lead screw screw 54 of a predetermined length is rotatably supported on the edge portion, and has a substantially frame shape. Further, the upper end portion of the lead screw screw 54 is provided so as to project from the upper surface of the upper frame member 51,
It is connected via a sleeve 57 to the motor shaft of a piston drive motor 56 which is a geared motor or the like attached to the upper surface of the upper frame member 51. Thus, the piston drive motor 56 is rotationally controlled to control the movement of the piston unit 31 in the vertical direction.

Further, the cylinder tube portion 3 of the cylinder member 36
8 is formed on the lower end surface of the upper frame member 51 that has an outer diameter substantially equal to the inner diameter of the cylinder tubular portion 38.
8 is fixed by screws 59, 59. An O-ring 60 is attached to the lower end edge of the piston 58, and has a liquid-tight structure when it enters the cylinder portion 38. Further, an extraction hole 58A having a substantially L-shaped vertical cross section is bored along the central axis of the piston 58, and a pipe joint 61 is attached to the outer peripheral surface side end of the extraction hole 58A.
It is connected to the coffee pouring nozzle 17.

Further, on the front surface of the front frame member 53, along the right side surface of the gutter member 26 and the guide member 27, a substantially flat guide member is formed so as not to project from the front end faces of the gutter member 26 and the guide member 27. 63 is attached by screwing. As shown in FIG. 7, this guide member 63
Is a substantially vertically long quadrangular flat plate portion 65, and extends from the upper and lower ends of the rear end portion of the flat plate portion 65 at a predetermined width dimension in a substantially right angle outward direction (rightward direction in FIG. 7B) by a predetermined length. An upper mounting portion 66 and a lower mounting portion 67 are formed. Further, the upper mounting portion 66 and the lower mounting portion 67 have respective through holes 68, 68 into which screws for mounting to the front surface of the front frame member 53 are inserted.
68 is drilled. Further, a vertical groove 70 having a groove width dimension substantially equal to the outer diameter dimension of the insertion shaft 29 is formed in a predetermined length vertically downward from a position near the upper edge of the flat plate portion 65, and the guide member 27 is a cylinder of the gutter member 26. The insertion shaft 2 of the guide member 27 when the guide member 27 is rotated in a substantially straight line with respect to the portion 26B.
9 is slidably guided in the vertical groove 70 (see FIG. 9). Further, from the lower end of the vertical groove 70, the rearward oblique downward direction (in FIG. 7 (A), the lower left lateral direction of about 30 degrees).
An oblique groove 71 with the same groove width dimension cut out to the rear end face
Are formed.

The guide member 27 slides in the slanted groove 71, and the end portion of the guide member 27 on the outlet side is in the cylinder portion 38.
When the guide member 27 is positioned vertically upward of the front end edge of the guide member (when the guide member 27 faces downward about 50 degrees with respect to the axis of the cylinder portion 38 in FIG. 6), the guide member 27 is inserted. From the lower end surface of the oblique groove 71 facing the shaft 29, the direction obliquely downward from the oblique groove 71 (the direction of the lower left side of about 70 degrees in FIG. 7A).
A first cutout portion 72 is formed by cutting out a predetermined length. A second cutout portion 73 is formed by cutting a predetermined length vertically downward from the lower end portion of the first cutout portion 72, and then cutting the cutout portion by a predetermined length substantially parallel to the first cutout portion 72. . Further, a third cutout portion 74 is formed by cutting out from the lower end portion of the second cutout portion 73 in a vertically downward direction by a predetermined length, and then cut out to the rear end face substantially parallel to the first cutout portion 72. There is.

As a result, when the insertion shaft 29 of the guide member 27 is inserted in the vertical groove 70, the guide member 27 is inserted.
Is rotated in a substantially straight line with respect to the tubular portion 26B of the gutter member 26. Further, when the insertion shaft 29 of the guide member 27 is inserted so as to face the lower end edge portion of the oblique groove 71, the outlet side end portion of the guide member 27 is the cylinder tubular portion 3.
8 is rotated so as to be positioned vertically upward of the front end edge portion of No. 8. In addition, the insertion shaft 29 of the guide member 27 has the third cutout portion 74.
When the guide member 27 is inserted so that the guide member 27 faces each other, the guide member 27 is rotated so as to be positioned above a scraper 81 (see FIG. 6) described later.

Here, the cylinder tubular portion 38 and the pushing member 41
Constitutes an extraction cylinder. Also, powder shooter 6
Functions as an introducing member. Further, the piston unit 31 including the piston drive motor 56, the lead screw 54, the guide shaft 50, the frame members 51, 52, 53 and the like functions as a compression unit. The guide member 63 also functions as a vertical guide member. Further, the insertion shaft 29 of the guide member 27 functions as a positioning member. Further, the pushing member 41 functions as a pushing means.
In addition, the removal unit 32 including a scraper 81, a rack gear 82, a scraper drive motor 83, and the like.
Constitutes the discharging means.

Further, as shown in FIGS. 5 and 6, the removing unit 32 attached to the left side surface of the cylinder unit 30 includes a scraper attachment base 80 having an inverted L-shaped side surface.
The scraper 8 having a horizontal L-shaped cross section, which is mounted on the scraper mount 80 and is slidably mounted on the upper end surface of the cylinder member 36 in the left-right direction (perpendicular to the paper surface in FIG. 6).
1 and the traveling direction of the front side surface of the scraper 81 (see FIG. 5).
The rack gear 82 is mounted over almost the entire length in the middle and left / right directions, and a scraper drive motor 83 for rotating and driving a pinion gear meshing with the rack gear 82 via a belt gear or the like. As a result, the scraper 81 is slidably controlled in the left-right direction over the opening of the cylinder tubular portion 38 of the cylinder member 36 by controlling the rotation of the scraper drive motor 83.

Next, the mechanical operation of the brewing unit 4 constructed as described above at the time of introducing the coffee powder, compressing the coffee powder and extracting the coffee, and discharging the extracted coffee powder will be described with reference to FIGS. 8 to 10. To do. FIG. 8 is a schematic side view showing a state when the coffee powder is introduced into the extraction unit 4 of the espresso coffee extractor 1 according to the first embodiment. FIG. 9 is a schematic side view showing a state during coffee powder compression and coffee extraction of the extraction unit 4 of the espresso coffee extractor 1 according to the first embodiment. FIG. 10 is a schematic side view showing the state of the extraction unit 4 of the espresso coffee extractor 1 according to the first embodiment when the extracted coffee grounds are discharged.

As shown in FIG. 8, the piston drive motor 56 is activated at the time of starting or when the coffee powder is introduced into the brewing unit 4.
Is rotationally driven, and the piston unit 31 is moved to the origin position in the vertical direction via the lead screw screw 54. At this time, the insertion shaft 29 of the guide member 27 attached to the lower end portion of the gutter member 26 is located at a position facing the lower end portion of the oblique groove 71 of the guide member 63 attached to the front surface portion of the front frame member 53 of the piston unit 31. Since it is inserted, the outlet end edge portion of the guide member 27 is located above the front end edge portion of the cylinder tubular portion 38 and is located below the piston 58. Then, a predetermined amount of coffee powder is supplied from the coffee mill 5 and is guided in the gutter member 26 in the downward direction (arrow 85 direction). Then, the supplied coffee powder is
From the outlet end edge of the gutter member 26, it is guided in the guide member 27, jumps obliquely downward (in the direction of arrow 86) and is introduced into the cylinder tubular portion 38, and onto the pushing member 41 in the cylinder tubular portion 38. A predetermined amount of coffee grounds 87 is deposited.

Subsequently, as shown in FIG. 9, in the case of extracting coffee after compressing the coffee powder 87 in the cylinder tube portion 38 of the brewing unit 4, first, the piston drive motor 56.
Is rotatively driven, and the piston unit 31 is moved to the lowest end position (direction of arrow 88) corresponding to the supply amount of the coffee grounds 87 via the lead screw screw 54. The data of the lowermost position corresponding to each supply amount of the coffee grounds 87 is stored in advance in the ROM of the control circuit unit. Further, since the guide member 63 attached to the front surface portion of the front frame member 53 of the piston unit 31 also moves downward at the same time, the insertion shaft 29 of the guide member 27 attached to the lower end portion of the gutter member 26 has a guide member 63 of the guide member 63. The lower end of the oblique groove 71 is slidably guided into the vertical groove 70. As a result, the guide member 27 is rotated so as to be substantially in a straight line with respect to the tubular portion 26B of the gutter member 26 (in the direction of a dashed arrow 89), and is rotated so as to be located outside the piston unit 31. On the other hand, the piston 58 attached to the upper frame member 51 of the piston unit 31 descends into the cylinder tubular portion 38 and compression-molds the coffee powder 87 in the cylinder tubular portion 38 into a cylindrical shape having a predetermined volume.

Then, the hot water heated to a predetermined temperature is passed through the pouring through hole 40 formed in the cylinder member 36 to a predetermined pressure (in the first embodiment, about 600 kPa to 1 MPa).
Is. ), It is supplied into the coffee powder 87 that has been compression-molded, and is pressure-fed to the coffee pouring nozzle 17 through the extraction hole 58A in the piston 58, the pipe joint 61, and the like. As a result, espresso coffee is extracted.

Subsequently, as shown in FIG. 10, when the extracted coffee grounds 87 in the cylinder tube portion 38 of the brewing unit 4 is to be discharged, first, the piston drive motor 56 is driven to rotate and the lead screw 54 is pulled. Through the piston unit 31 to the preset uppermost position (arrow 9
Moved in the 0 direction). And the piston unit 31
The piston 58 attached to the upper frame member 51 rises from the inside of the cylinder tubular portion 38 as the piston unit 31 rises, and is positioned above the upper end portion of the scraper 81. Further, since the guide member 63 attached to the front surface portion of the front frame member 53 of the piston unit 31 also moves upward at the same time, the insertion shaft 29 of the guide member 27 attached to the lower end portion of the gutter member 26 has the same shape as the guide member 63. The slidable groove 71, the first cutout portion 72, and the second cutout portion 73 are slid from inside the vertical groove 70, and are slidably guided to a position facing the third cutout portion 74. As a result, the guide member 27 is positioned above the upper end of the scraper 81 and is rotated below the piston 58 (in the direction of arrow 91). On the other hand, the pushing member 41 pressed against the bottom of the cylinder tubular portion 38 by the spring 42 moves upward (arrow 9) against the spring 42 due to the lowering of the lower frame member 52 of the piston unit 31.
It is lifted up (in two directions), and the upper end surface of the pushing member 41 is lifted to a height that is flush with the upper end surface of the cylinder member 36. As a result, the cake-shaped extracted coffee powder 87 is located on the same plane as the upper end surface of the cylinder member 36.

Then, the scraper drive motor 83 is rotationally driven to slide the scraper 81 along the upper end surface of the cylinder member 36 to the right end surface of the cylinder member 36 in the right direction (the upper direction in the drawing of FIG. 10). By moving, the extracted coffee powder 87 on the extruding member 41 is pushed out. As a result, the extracted coffee grounds 87 fall into the receiving box 10 (see FIG. 1) from the right end surface of the cylinder member 36 and are removed. After that, the scraper drive motor 83 is again driven to rotate in the reverse direction, and the scraper 81 is slid to the origin position. After that, when extracting the espresso coffee again, as shown in FIG. 8, the piston drive motor 56 is rotationally driven, the piston unit 31 is lowered to the origin position, and the guide member 27 is positioned above the cylinder tubular portion 38. Is located.

As described in detail above, the espresso coffee brewing machine 1 according to the first embodiment is provided with a brewing unit 4 for brewing espresso coffee, which is arranged on a base member 3 in an outer case 2 having a substantially box shape. A pair of coffee mills 5, 5 arranged above the extraction unit 4, a powder shooter 6 for introducing the coffee powder ground by each coffee mill 5, 5 into the extraction unit 4 from the front side, each coffee mill 5, 5, a pair of bean hoppers 7, 7 arranged on the upper side of the coffee mill for charging coffee beans, and a pair of mill drive motors arranged behind the coffee mills 5, 5 for driving the coffee mills 5, 5. 8 and 8 are arranged. Further, on the right side of the brewing unit 4, a receiving box 10 into which the espresso coffee-extracted cake-like coffee powder removed from the brewing unit 4 is put is arranged so as to be taken out from the outside. Further, a boiler tank 11 is provided on the inner side of the receiving box 10, and the espresso coffee extract water supplied to a spirally-shaped copper heating tube arranged in the boiler tank 11 has a predetermined temperature. To be heated. Also, on the left side of this boiler tank 11,
Pressurizing pump 1 for sending espresso coffee extracted water at a predetermined pressure to a heating pipe provided in the boiler tank 11.
2 is arranged, and pressurized hot water is supplied to the extraction unit 4 via the pressure pump 12 and the heating pipe in the boiler tank 11. In addition, the powder shooter 6 is rotatably attached to a gutter member 26 fixed to a beam member 25 horizontally extending in the outer case 2 by a screw or the like, and a lower end portion of the gutter member 26. And a guide member 27 for guiding the coffee grounds guided by the gutter member 26 to the cylinder tubular portion 38. In addition, the extraction unit 4
Is attached to the base member 3 by screwing or the like, a cylinder unit 30 which is attached to the cylinder unit 30 so as to be vertically movable, and a left side surface portion of the cylinder unit 30. And a removal unit 32. The guide member 27 of the gutter member 26 is configured to rotate with the vertical movement of the piston unit 31 via the guide member 63 attached to the front surface side of the piston unit 31 of the extraction unit 4. .

Therefore, with respect to the vertical movement of the piston unit 31, the vertical groove 70 formed in the substantially flat guide member 63 attached to the front surface side of the piston unit 31,
An oblique groove 71, a first cutout portion 72, a second cutout portion 73, and a third cutout portion 74, and an insertion shaft 29 that is erected on the side surface of the guide member 27 and is slidably guided by the vertical groove 70 and the like. Since the guide member 27 can be rotated by the cooperation of 1., the structure of the mechanism for rotating the guide member 27 can be simplified, and the rotation mechanism of the guide member 27 can be downsized and the manufacturing cost can be reduced. You can Further, when discharging the extracted coffee grounds 87 in the cylinder tube portion 38, the piston 58 is moved to the uppermost position and the guide member 27 is moved.
The insertion shaft 29 slides in the vertical groove 70 of the guide member 63 through the oblique groove 71, the first cutout portion 72, and the second cutout portion 73,
The guide member 27 is slidably guided to a position facing the third cutout portion 74, and the guide member 27 is rotated so as to be located above the upper end portion of the scraper 81.
It is possible to simplify the rotation guide mechanism of the guide member 27 at the time of discharging, and further reduce the size of the rotation guide mechanism of the guide member 27 and reduce the manufacturing cost. In addition, the guide member 27 does not rub against other members, and the guide member 63
The guide member 27 is rotated and guided as it moves up and down.
It is possible to improve the quality of the espresso coffee that is extracted without generating abrasion powder and the like, and it is possible to reduce the running cost of the extraction unit 4. Furthermore, the piston unit 31 has a guide shaft of a predetermined length. Fifty
An upper frame member 51, a lower frame member 52, and a front frame member 53.
Since the coffee powder 87 is compressed by the downward movement of the piston 58 and the espresso coffee is extracted by high-pressure hot water, the piston 58 is formed into a strong substantially frame shape by the lead screw screw 54 and the lead screw screw 54. It is possible to reliably prevent the vertical movement and inclination of the espresso and to extract high-quality espresso coffee.

Next, an espresso coffee extractor according to the second embodiment will be described with reference to FIGS. 11 and 12. In the following description, the same reference numerals as those of the espresso coffee extractor 1 according to the first embodiment shown in FIGS. 1 to 10 are the same as or equivalent to those of the espresso coffee extractor 1 according to the first embodiment. Is shown. FIG. 11: is a figure which shows the guide member attached to the extraction unit 4 of the espresso coffee extractor which concerns on 2nd Embodiment, (A) is a side view, (B) is a rear view. FIG. 12 is a schematic side view showing a state at the start of coffee powder compression after the introduction of coffee powder in the extraction unit 4 of the espresso coffee extractor according to the second embodiment. The schematic configuration of the espresso coffee extractor according to the second embodiment is almost the same as that of the espresso coffee extractor 1 according to the first embodiment. However, in the espresso coffee extractor according to the second embodiment, as described later, the guide member 63
Is different from that of the guide member 63 of the espresso coffee extractor 1 according to the first embodiment.

Here, as shown in FIG. 11, at the lower end portion of the oblique groove 71 of the guide member 63 according to the second embodiment, the coffee powder is introduced vertically into the cylinder tube portion 38 from the position where the insertion shaft 29 abuts. A protrusion 71A having a predetermined height is provided near the groove 70. As a result,
As shown in FIG. 2, after the coffee powder is introduced into the cylinder tubular portion 38 via the gutter member 26 and the guide member 27, the piston drive motor 56 is rotationally driven and the lead screw 5
When the piston unit 31 descends via 4 (in the direction of arrow 101), the insertion shaft 29 of the guide member 27 is inserted into the protrusion 71A formed at the lower end of the oblique groove 71 of the guide member 63. Guide member 27 for riding
The tip portion of oscillates in the vertical direction (direction of arrow 102), and the coffee powder remaining in the guide member 27 falls into the cylinder tubular portion 38. Therefore, it is possible to prevent the coffee powder supplied through the coffee mill 5 from remaining on the guide member 27, and to reliably supply a predetermined amount of the coffee powder for extraction into the cylinder tubular portion 38, and at the same time, to guide the member 27. It is possible to prevent the coffee grounds from being scattered on the base member 3 below.

Further, when the piston drive motor 56 is driven to discharge the extracted coffee grounds 87 after the espresso coffee is extracted (see FIG. 9), the insertion shaft 29 of the guide member 27 is set to the vertical direction of the guide member 63. In order to descend in the groove 70 and slide in the oblique groove 71 in the downward direction and ride on the protrusion 71A formed in the vicinity of the lower end of the oblique groove 71, the tip end portion of the guide member 27 moves in the vertical direction ( The coffee powder remaining in the guide member 27 vibrates in the direction of the arrow 102) and falls into the cylinder tubular portion 38. Therefore, the coffee powder remaining on the guide member 27 can be removed together with the cake-like extracted coffee powder 87 into the receiving box 10, and the cylinder barrel 38 is newly supplied from the coffee mill 5. Only coffee powder for extraction can be reliably supplied.

Next, an espresso coffee extractor according to the third embodiment will be described with reference to FIGS. 13 to 20. In the following description, the same reference numerals as those of the espresso coffee extractor 1 according to the first embodiment shown in FIGS. 1 to 10 are the same as or equivalent to those of the espresso coffee extractor 1 according to the first embodiment. Is shown. The schematic configuration of the espresso coffee extractor according to the third embodiment is almost the same as that of the espresso coffee extractor 1 according to the first embodiment. However, in the espresso coffee extractor according to the third embodiment, the configuration of the extraction unit is different from the configuration of the extraction unit 4 of the espresso coffee extractor 1 according to the first embodiment, as described below.

First, the schematic structure of the extraction unit of the espresso coffee extractor according to the third embodiment is shown in FIG.
And it demonstrates based on FIG. FIG. 13: is a front view which shows schematic structure of the extraction unit of the espresso coffee extractor which concerns on 3rd Embodiment. FIG. 14 is a left side view showing the schematic configuration of the extraction unit of the espresso coffee extractor according to the third embodiment.

As shown in FIGS. 13 and 14, the extraction unit 110 of the espresso coffee extractor according to the third embodiment has almost the same structure as the extraction unit 4 according to the first embodiment, but the removal unit 32 is The cylinder unit 3 of the extraction unit 4 is provided on the right side surface of the extraction unit 4 at a position facing the cylinder tubular portion 38.
0 is arranged on the base member 3 such that the left side surface of the 0 is on the front side of the espresso coffee extractor. Also,
The front surface upper end edge portion of the cylinder member 36 facing the cylinder tubular portion 38 has a slope portion 111 inclined obliquely downward and outward.
Are formed. In addition, a guide member 63 is arranged at a position facing the front left end portion of the slope portion 111 of the piston unit 31. Then, the insertion shaft 112 of the guide member 27 is provided with the vertical groove 70 and the oblique groove 7 of the guide member 63.
1. The notches 72, 73, 74 are slidably extended outward in the left direction. Further, the tip end of the scraper 113 is formed in a substantially arc shape, and is formed so as to abut the rear peripheral surface portion of the substantially cake-shaped extracted coffee powder. The receiving box 10 is arranged from the front side on the front portion of the cylinder member 36 that faces the cylinder tubular portion 38.

Next, the mechanical operation of the brewing unit 110 constructed as described above at the time of introducing the coffee grounds, compressing the coffee grounds and extracting the coffee, and discharging the extracted coffee grounds will be described with reference to FIGS. 15 to 20. To do. Figure 15
FIG. 8 is a schematic right-side sectional view showing a state of the brewing unit 110 of the espresso coffee brewing machine according to the third embodiment when coffee powder is introduced. FIG. 16 is a schematic right side sectional view showing a state during coffee powder compression and coffee extraction of the brewing unit 110 of the espresso coffee brewing machine according to the third embodiment. FIG. 17 is a schematic right side sectional view showing a state in which the extracted coffee grounds of the extraction unit 110 of the espresso coffee extractor according to the third embodiment are pushed out to the upper end of the cylinder tubular portion 38. FIG. 18 is a schematic right side sectional view showing a state when the extracted coffee grounds of the extraction unit 110 of the espresso coffee extractor according to the third embodiment are discharged. FIG. 19 is a schematic right side sectional view showing a state in which the scraper 81 at the time of discharging the extracted coffee grounds of the extraction unit 110 of the espresso coffee extractor according to the third embodiment has returned to the origin position. FIG. 20 is a schematic right side cross-sectional view showing a state when a new coffee powder is introduced into the brewing unit 110 of the espresso coffee brewing machine according to the third embodiment.

As shown in FIG. 15, at the time of start-up or when coffee powder is introduced into the brewing unit 110, the piston drive motor 56 is rotationally driven, and the piston unit 31 is moved to the origin position in the vertical direction via the lead screw 54. It At this time, since the insertion shaft 112 of the guide member 27 attached to the lower end portion of the gutter member 26 is inserted into a position facing the lower end portion of the oblique groove 71 of the guide member 63 attached to the front portion of the piston unit 31, The outlet end edge portion of the guide member 27 is located above the front end edge portion of the cylinder tubular portion 38 and below the piston 58. Further, the scraper 113, which constitutes the discharging means,
It is moved to the origin position via the scraper drive motor 83, the rack gear 82, and the like. Further, the receiving box 10 is arranged so as to come into contact with the front portion of the cylinder unit 30 that faces the cylinder tubular portion 38 from the front side. Then, a predetermined amount of coffee powder is supplied from the coffee mill 5 and is guided in the gutter member 26 in the downward direction (arrow 114 direction). Then, the supplied coffee powder is supplied to the gutter member 2
6 is guided in the guide member 27 from the outlet end edge portion of 6 and protrudes obliquely downward (in the direction of arrow 115) to form the cylinder tubular portion 38.
A predetermined amount of coffee powder 117 is introduced into the inside of the cylinder tubular portion 38 and is deposited on the pushing member 41 in the cylinder tubular portion 38.

Subsequently, as shown in FIG. 16, when the coffee powder 117 in the cylinder tube portion 38 of the brewing unit 110 is compressed and then coffee is brewed, first, the piston drive motor 56 is rotationally driven and the lead screw screw is used. Through 54, the piston unit 31 is moved to the lowermost position (direction of arrow 119) corresponding to the amount of coffee grounds 117 supplied. The data of the lowermost end position corresponding to each supply amount of the coffee powder 117 is stored in advance in the ROM of the control circuit unit. Further, since the guide member 63 attached to the front portion of the piston unit 31 also moves downward at the same time, the insertion shaft 112 of the guide member 27 attached to the lower end portion of the gutter member 26 has a lower end of the oblique groove 71 of the guide member 63. It is slidably guided in the vertical groove 70 from the part. As a result, the guide member 27 is rotated so as to form a substantially straight line (in the direction of arrow 120) with respect to the tubular portion 26B of the gutter member 26, and is rotated so as to be positioned outside the front surface of the piston unit 31.
The lower end of the guide member 27 faces the opening of the receiving box 10 as a collection container, and the coffee powder remaining in the guiding member 27 falls into the receiving box 10. . On the other hand, the upper frame member 5 of the piston unit 31
1, the piston 58 attached to the cylinder 1 descends into the cylinder tubular portion 38 and the coffee powder 117 inside the cylinder tubular portion 38 is lowered.
Is compression molded into a cylindrical shape having a predetermined volume.

Then, the hot water heated to a predetermined temperature passes through a pouring through hole 40 formed in the cylinder member 36 at a predetermined pressure (in the third embodiment, about 600 kPa to 1 MPa).
Is. ) In the compression-molded coffee powder 117, and the extraction hole 58A and the pipe joint 61 in the piston 58 are supplied.
And so on to the coffee pouring nozzle 17. As a result, espresso coffee is extracted.

Subsequently, as shown in FIG. 17, the extracted coffee grounds 1 in the cylinder tube portion 38 of the brewing unit 110 is extracted.
When discharging 17, the piston drive motor 56
Is driven to rotate, and the piston unit 31 is moved to the preset uppermost end position (in the direction of arrow 122) via the lead screw 54. The piston 58 attached to the upper frame member 51 of the piston unit 31
Rises from the inside of the cylinder tubular portion 38 as the piston unit 31 rises, and is positioned above the upper end portion of the scraper 113. Further, since the guide member 63 attached to the front portion of the piston unit 31 also moves upward at the same time, the insertion shaft 112 of the guide member 27 attached to the lower end portion of the gutter member 26 is inserted into the vertical groove 70 of the guide member 63. The slid groove 71, the first cutout portion 72, and the second cutout portion 73 are slid and guided to a position facing the third cutout portion 74. As a result, the guide member 27 is moved to the scraper 113.
Is rotated (in the direction of arrow 123) so as to be located above the upper end of the piston and below the piston 58. On the other hand, the pushing member 41 pressed against the bottom of the cylinder tubular portion 38 by the spring 42 is lifted upward (in the direction of arrow 124) against the spring 42 due to the rise of the lower frame member 52 of the piston unit 31. , The extruding member 41
The upper end surface of the cylinder member 36 is lifted to a height that is flush with the upper end surface of the cylinder member 36. As a result, the cake-shaped extracted coffee powder 117 is located on the same plane as the upper end surface of the cylinder member 36.

Then, as shown in FIG. 18, the scraper drive motor 83 is rotated to drive the scraper 113.
Along the upper end surface of the cylinder member 36 to the front edge of the cylinder member 36 in the forward direction (leftward direction in FIG. 18), and the extracted coffee powder on the extruding member 41. Push out 117. As a result, the extracted coffee grounds 117 slide on the slope portion 111 from the front edge of the cylinder member 36, fall into the receiving box 10 as a collection container, and are removed.

After that, as shown in FIG. 19, the scraper drive motor 83 is again driven to rotate in the reverse direction, and the scraper 113 is slid on the cylinder member 36 to return to the original position. Then, as shown in FIG. 20, again,
When extracting espresso coffee, the piston drive motor 56 is driven to rotate, and the lead screw 5
The piston unit 31 descends to the origin position (in the direction of arrow 126) via 4 and is positioned slightly above the scraper 113. Further, since the guide member 63 attached to the front portion of the piston unit 31 also moves downward at the same time, the insertion shaft 112 of the guide member 27 attached to the lower end portion of the gutter member 26 has the third cutout portion 74 of the guide member 63. The second notch portion 73 and the first notch portion 72 are slid from a position opposite to and are slidably guided to the lower end portion of the oblique groove 71. As a result, the outlet end edge portion of the guide member 27 is located above the front end edge portion of the cylinder tubular portion 38, and the piston 5
It is located under 8 and returns to the origin position. Further, the pushing member 41 is pressed downward by the spring 42 by the lowering of the lower frame member 52 of the piston unit 31, and abuts against the bottom of the cylinder tubular portion 38.

As described in detail above, the brewing unit 100 of the espresso coffee brewing machine according to the third embodiment.
The removing unit 32 is arranged on the rear side of the cylinder unit 30, and the gutter member 26 and the guide member 27 are arranged on the front side of the cylinder unit 30 facing the removing unit 32. In addition, the extracted coffee grounds 117 discharged by the removing unit 32 are
It is configured so as to fall into the receiving box 10 arranged in the lower direction of 7. Therefore, the falling position of the extracted coffee grounds 117 discharged by the scraper 113 (see FIG.
8 and the like), and the coffee powder remaining on the guide member 27 when the guide member 27 is rotated so as to be positioned outside the front surface of the piston unit 31 so as to be substantially aligned with the gutter member 26. Since the position (see FIG. 16) is almost the same direction, the extracted coffee grounds 117 and the coffee grounds remaining in the guide member 27 can be collected in one place and can be easily stored in the receiving box 10. It can be collected and can be easily cleaned and kept clean.

Next, an espresso coffee extractor according to the fourth embodiment will be described with reference to FIG. still,
In the following description, the same reference numerals as those of the espresso coffee extractor according to the third embodiment shown in FIGS. 13 to 20 indicate the same or corresponding parts as those of the espresso coffee extractor according to the third embodiment. is there. Figure 2
FIG. 1 is a diagram schematically showing an operation state of the guide member 27 during coffee extraction of the espresso coffee brewing machine according to the fourth embodiment. FIG. ) Is when the piston 58 descends into the cylinder tubular portion 38, (C) is when the coffee powder compression by the piston 58 is completed, (D) is after coffee extraction and when the piston unit 31 is up, and (E) is extracted coffee. Powder 11
It is a figure which shows the state at the time of discharge of 7 typically.

The schematic structure of the espresso coffee extractor according to the fourth embodiment is substantially the same as that of the espresso coffee extractor according to the third embodiment. However, in the espresso coffee brewing machine according to the fourth embodiment, the arrangement position of the guide member 27 is the brewing unit 100 of the espresso coffee brewing machine 1 according to the third embodiment as described later.
The configuration is different.

Here, as shown in FIGS. 21A to 21C, the guide member 27 of the extraction unit according to the fourth embodiment.
After the coffee powder has been introduced into the cylinder tubular portion 38, the piston unit 31 is moved downward and is rotated outward of the cylinder member 36. At this time, the guide member 2
The tip of 7 is in contact with the sloped portion 111 of the cylinder member 36, and the coffee powder adhering to the sloped portion 111 is swept in the direction of the receiving box 10. When the coffee powder 117 is compressed by the piston 58, the guide member 27 is aligned with the gutter member 26.
The coffee powder in 7 falls downward and is discharged into the receiving box 10. Further, as shown in FIGS. 21D to 21E,
After brewing coffee, when the piston unit 31 rises,
The guide member 27 is rotated toward the cylinder member 36. At this time, the tip end portion of the guide member 27 again contacts the inclined surface portion 111 of the cylinder member 36, scrapes off the coffee powder adhering to the inclined surface portion 111, and the inside of the cylinder tubular portion 38 or the upper end of the cylinder tubular portion 38. Drop it to the periphery. Then, the coffee powder that has fallen into the cylinder tubular portion 38 and the peripheral portion of the upper end of the cylinder tubular portion 38 is discharged into the receiving box 10 by the scraper 113 together with the extracted coffee powder 117. Therefore, the coffee powder adhering to the inclined surface portion 111 of the cylinder member 36 can be removed, cleaning can be performed more easily, and the cleaning can be kept clean.

The present invention is not limited to the first to fourth embodiments, and it goes without saying that various improvements and modifications can be made without departing from the gist of the present invention. . For example, a configuration is provided in which an espresso coffee brewing machine according to another embodiment is provided with a receiving box of discharged coffee grounds and a receiving box of coffee grounds remaining in the guide member and discharged downwards. 22 will be described. In addition, in the following description, FIGS.
The same symbols as the configuration of the espresso coffee extractor according to the third embodiment of the present invention indicate the same or corresponding portions as the configuration of the espresso coffee extractor according to the third embodiment. As shown in FIG. 22, a substantially plate-shaped guide member 131 extending outward from the upper end edge of the inclined surface portion 111 of the cylinder member 36 is provided. In addition, the guide member 2
When 7 is rotated outward in the front direction and aligned with the gutter member 26 in a substantially straight line, the through hole 13 having a predetermined shape is formed in the portion of the guide member 131 that faces directly below the guide member 27.
1A is drilled. Then, the coffee powder receiving box 132 is arranged below the through hole 131A, and the guide member 1
You may make it the structure which arrange | positions the receiving box 10 below the outer edge part of 31. As a result, the coffee powder falling downward from the guide member 27 (direction of arrow 134) and the extracted coffee powder 117 discharged outward from the guide member 131 (direction of arrow 133) by the respective receiving boxes 10 and 132.
And can be separated and collected.

[0053]

As described above, in the beverage brewing machine according to the first aspect, the brewing substance is introduced into the brewing cylinder through the introducing member composed of the guide member and the like. Further, the extraction substance in the extraction cylinder is compressed via a compression means composed of an up-and-down guide member and the like for guiding the vertical movement. Further, the guide member that constitutes the introduction member includes a positioning member that is combined with the vertical guide member that constitutes the compression means.
When the compression means is located above the upper opening of the extraction cylinder by a predetermined height, the guide member is located at a position where the extraction substance can be introduced into the extraction cylinder by the cooperation of the vertical guide member and the positioning member. On the other hand, when the compression means enters the extraction cylinder, the guide member is pivotally guided to a position where the compression means can be moved downward by the cooperation of the vertical guide member and the positioning member. It As a result, the guide member is pivotally guided by the cooperation of the vertical guide member and the positioning member with respect to the vertical movement of the compression means, so that the structure of the mechanism for pivotally guiding the guide member can be simplified. It is possible to provide a beverage brewing machine that can reduce the size of the rotation guide mechanism of the guide member and reduce the manufacturing cost. Further, since the guide member is rotationally guided through the positioning member that is combined with the upper and lower guide members without friction with other members, it is possible to improve the quality of the extracted beverage without generating abrasion powder and the like, A beverage extractor that can reduce running costs can be provided.

A beverage extractor according to a second aspect is the beverage extractor according to the first aspect, wherein the compression means is moved above the predetermined height via the extrusion means, and
When the extraction substance in the extraction cylinder is pushed out to the upper opening through the pushing means, the guide member is rotated to a position where the discharging means can be moved by the cooperation of the vertical guide member and the positioning member. The extraction substance pushed out by the extruding means is discharged through the discharging means by being guided. As a result, when the extracted substance is discharged, the compression means is moved above a predetermined height, and the guide member is rotated to a position where the discharge means can be moved by the cooperation of the vertical guide member and the positioning member. Since the beverage is guided, the rotation guide mechanism of the guide member at the time of discharging the extraction substance can be simplified, and the beverage extractor capable of further miniaturizing the rotation guide mechanism of the guide member and reducing the manufacturing cost can be provided. Can be provided.

A beverage extractor according to a third aspect is the beverage extractor according to the second aspect, wherein the guide member is provided at a position facing a predetermined end portion of the extraction cylinder from which the extraction substance is discharged by the discharging means. Is provided. When the compression means enters the extraction cylinder, the guide member is pivotally guided to the retracted position where the extraction substance can be guided downward by the cooperation of the vertical guide member and the positioning member.
As a result, the discharging direction of the extraction substances of the discharging means and the falling direction of the extraction substances remaining in the guide member that is pivotally guided to the retreat position are the same direction, so these extraction substances are collected in one place. It is possible to provide a beverage extractor that can be cleaned, can be easily cleaned, and can be kept clean.

A beverage extractor according to a fourth aspect is the beverage extractor according to the third aspect, wherein a predetermined end edge portion of the brewing cylinder is formed with an inclined surface portion which is inclined obliquely downward and outward. The tip portion of the guide member is configured to come into contact with this slope portion when being pivotally guided to the retracted position. As a result, when the guide member is rotationally guided to the retracted position, the extraction substance adhering to the slope is removed by the tip of the guide member, so that the extraction cylinder can always be kept clean. Machine can be provided.

Further, in the beverage extractor according to claim 5, in the beverage extractor according to claim 3 or 4, the recovery container for recovering the discharged extraction substance is at a predetermined edge portion of the extraction cylinder. It is located below. Further, the recovery container is provided with an opening that opens upward. As a result, the extracted substance that falls from the predetermined edge of the extraction cylinder and the extracted substance that remains in the guide member that is pivotally guided to the retracted position can be recovered in the same recovery container, and cleaning is easier. It is possible to provide a beverage extractor that can be performed at any time and can be kept clean.

[Brief description of drawings]

FIG. 1 is a front view showing a schematic configuration of an espresso coffee extractor according to a first embodiment.

FIG. 2 is a side view showing a schematic configuration of an espresso coffee extractor according to the first embodiment.

FIG. 3 is a perspective view showing a schematic configuration of an extraction unit and a powder shooter of the espresso coffee extractor according to the first embodiment.

FIG. 4 is a view showing a guide member of a powder shooter of the espresso coffee extractor according to the first embodiment, (A) is a side view and (B) is a plan view.

FIG. 5 is a perspective view showing a schematic configuration of an extraction unit of the espresso coffee extractor according to the first embodiment.

FIG. 6 is a right side view showing a schematic configuration of an extraction unit of the espresso coffee extractor according to the first embodiment.

FIG. 7 is a view showing a guide member attached to the brewing unit of the espresso coffee brewing machine according to the first embodiment, (A) is a side view, and (B) is a rear view.

FIG. 8 is a schematic side view showing a state of the brewing unit of the espresso coffee brewing machine according to the first embodiment when the coffee powder is introduced.

FIG. 9 is a schematic side view showing a state during coffee powder compression and coffee extraction of the extraction unit of the espresso coffee extractor according to the first embodiment.

FIG. 10 is a schematic side view showing a state of the extraction unit of the espresso coffee extractor according to the first embodiment when the extracted coffee grounds are discharged.

FIG. 11 is a view showing a guide member attached to the brewing unit of the espresso coffee brewing machine according to the second embodiment, (A) is a side view, and (B) is a rear view.

FIG. 12 is a schematic side view showing a state at the start of coffee powder compression after the introduction of coffee powder in the extraction unit of the espresso coffee extractor according to the second embodiment.

FIG. 13 is a front view showing a schematic configuration of an extraction unit of an espresso coffee extractor according to a third embodiment.

FIG. 14 is a left side view showing a schematic configuration of an extraction unit of an espresso coffee extractor according to a third embodiment.

FIG. 15 is a schematic right side sectional view showing a state when coffee powder is introduced into the brewing unit of the espresso coffee brewing machine according to the third embodiment.

FIG. 16 is a schematic right side sectional view showing a state during coffee powder compression and coffee extraction of the extraction unit of the espresso coffee extractor according to the third embodiment.

FIG. 17 is a schematic right side cross-sectional view showing a state in which the extracted coffee grounds of the extraction unit of the espresso coffee extractor according to the third embodiment are pushed out to the upper end portion of the cylinder tubular portion.

FIG. 18 is a schematic right side sectional view showing a state at the time of discharging extracted coffee grounds of the extraction unit of the espresso coffee extractor according to the third embodiment.

FIG. 19 is a schematic right side sectional view showing a state where the scraper at the time of discharging the extracted coffee grounds of the extraction unit of the espresso coffee extractor according to the third embodiment has returned to the original position.

FIG. 20 is a schematic right side sectional view showing a state when a new coffee powder is introduced into the brewing unit of the espresso coffee brewing machine according to the third embodiment.

FIG. 21 is a diagram schematically showing the operating state of the guide member during coffee extraction by the espresso coffee extractor according to the fourth embodiment, (A) at the end of the introduction of coffee powder into the cylinder tube portion, and (B). Is the state when the piston is descending into the cylinder tube, (C) is the state when the coffee powder is completely compressed by the piston, (D) is the state after the coffee is extracted and the piston unit is up, and (E) is the state when the extracted coffee ground is discharged. It is a figure which shows typically.

FIG. 22 is a configuration in which an espresso coffee brewing machine according to another embodiment is provided with a receiving box for discharged coffee grounds and a receiving box for coffee grounds remaining in the guide member and discharged downward. FIG.

[Explanation of symbols]

1 Espresso coffee extractor 2 Exterior case 3 Base member 4, 110 Extraction unit 6 Powder shooter 10, 132 Catch box 11 Boiler tank 12 Pressurizing pump 17 Coffee pouring nozzle 26 Gutter member 27 Guide member 29, 112 Insert shaft 30 Cylinder unit 31 Piston Unit 32 Removal Unit 36 Cylinder Member 38 Cylinder Cylinder 41 Extrusion Member 50 Guide Shaft 51 Upper Frame Member 52 Lower Frame Member 53 Front Frame Member 54 Lead Screw Screw 58 Piston 63 Guide Member 70 Vertical Groove 71 Oblique Groove 71A Projection 72 1st notch 73 73 2nd notch 74 3rd notch 81,113 Scraper 87,117 Coffee powder 111 Slope

   ─────────────────────────────────────────────────── ─── Continued front page    (72) Inventor Takayoshi Kato             16 Hoshizaki, 3rd South Building, Sakaemachi, Toyoake City, Aichi Prefecture             Electric Co., Ltd.

Claims (5)

[Claims] 1. A beverage brewing machine comprising an introduction member for introducing an extraction substance into an extraction cylinder and a compression means for compressing the extraction substance in the extraction cylinder, wherein the introduction member has a guide member, The compressing means has a vertical guide member for guiding the vertical movement of the compressing means, the guide member has a positioning member to be combined with the vertical guide member, and the compressing means is located above the upper opening of the extraction cylinder. Also above a predetermined height, the guide member is rotatably guided by the cooperation of the vertical guide member and the positioning member to a position where the extraction substance can be introduced into the extraction cylinder, and the compression means is operated by the compression means. When entering the
A beverage brewing machine characterized in that the compression means is pivotally guided to a position where it can be moved downward by the cooperation of an up-down guide member and a positioning member. 2. Extruding means for moving the compressing means above the predetermined height and pushing out the extracted substance in the extraction cylinder to the upper opening, and discharging for discharging the extracted substance pushed out by the extruding means. And a guide member, the guide member pivotally guides to a position where the discharge device can move by cooperation of an up-and-down guide member and a positioning member when the compressing device is located above the predetermined height. The beverage extractor according to claim 1, wherein the beverage extractor is provided. 3. The discharging means moves the extraction substance along an upper end surface portion of the extraction cylinder, and drops the extraction substance outward from a predetermined edge portion of the extraction cylinder to discharge the extraction substance. The member is provided at a position facing a predetermined edge portion of the extraction cylinder, and when the compression means enters the extraction cylinder, the upper and lower guide members cooperate with the positioning member to move the extraction substance downward. The beverage brewing machine according to claim 2, wherein the beverage brewing machine is pivotally guided to a retracted position that can be guided to. 4. The predetermined end edge portion of the extraction cylinder has an inclined surface portion formed to incline obliquely downward and outward, and the guide member is rotated and guided to the retracted position,
The tip end portion is in contact with the inclined surface portion.
Beverage extractor according to. 5. A recovery container for recovering the discharged extraction substance is provided, wherein the recovery container has an opening opening upward, and is arranged below a predetermined edge portion of the extraction cylinder. The beverage extractor according to claim 3 or 4, which is characterized.