Brewing device of large-dose coffee machine

Abstract

The utility model relates to a brewing device of a large-dose coffee machine, which is designed for solving the technical problems that the brewing device of the existing similar coffee machine product is not good enough in structural design, so that the production and the assembly are more inconvenient, the liquid pressing one-way powder pressing is less adopted, the volume of a brewing cavity is smaller, and the coffee brewing mode is more single. The brewing device is characterized in that a hydraulic combination of the brewing device is fixedly arranged in a screw rod, an external thread of the outer diameter of the screw rod is meshed with an internal thread of the inner diameter of a bevel gear, and at least one side of the outer diameter of the bevel gear extends out of an outer gear ring of the hydraulic combination to be meshed with a small gear at a motor shaft of a second motor; a hydraulic connecting hole is formed in the top of the liquid outlet channel of the sealing seat; a residue ejecting push rod is arranged in an end corner groove of a main body below the brewing cavity, a push rod head at one end of the residue ejecting push rod extends into the powder pressing combination and is inserted into a rod hole in the tail end of a rod part at one end of a brewing cavity push rod extending out of the bottom of the brewing cavity connected into the powder pressing combination, and the push rod spring is arranged on the outer diameter of the rod part at the end.

Description

Technical Field

[0001] The utility model relates to a brewer for a coffee machine, in particular to a large-dose coffee machine brewer. Background Art

[0002] A coffee machine is a household appliance or commercial appliance that automatically makes coffee, integrating the entire process of brewing coffee, such as grinding, pressing, filling, brewing, and removing residues. There are some existing bean grinding pressure coffee machines with brewing brewer components. The core component of such coffee machines with brewing is the brewing structure of the brewing machine for receiving powder, pressing, brewing, and removing residues, such as the application number 202020831309.6 disclosed in the Chinese patent document, the authorization announcement date is 2021.04.23, and the utility model name is "a brewing system for a coffee machine"; another example is the application number 202211054805.5 disclosed in the Chinese patent document, the application publication date is 2022.11.22, and the invention name is "coffee machine brewing unit and brewing method"; and the application number 202310090180.6 disclosed in the Chinese patent document, the application publication date is 2023.04.14, and the invention name is "coffee machine powder pressing method and brewing unit". However, the above-mentioned products and similar automatic coffee machines lack a bracket structure design at the bottom of the brewer in the shell, and the gear meshing and gear motor installation positions are relatively fixed, making production and assembly inconvenient; the maximum dosage of such products is the input weight of 14-16 grams, which only allows small-volume beverages, and it is difficult to provide a larger volume of beverages through continuous multiple brewing, and thus it is difficult to provide a larger volume of beverages in one brewing cycle; it is difficult to have both American coffee and Italian coffee. At the same time, such products are generally pushed in both directions by the push rod and the pressed powder in the brewing chamber, and the outer fan-shaped gears meshing with each other, resulting in a small capacity of coffee powder in the brewing chamber, and rarely use a one-way hydraulic method at one end of the pressed powder to push the pressed powder. Summary of the invention

[0003] In order to overcome the above shortcomings, the purpose of the utility model is to provide a large-dose coffee machine brewer in the art, so as to solve the technical problems of the existing similar coffee machine products, such as the poor brewer structure design, the inconvenience of production and assembly, the seldom use of liquid pressure one-way powder pressing, the small brewing chamber capacity, and the relatively single coffee brewing method. The purpose is achieved through the following technical solutions.

[0004] A large-dose coffee machine brewer, wherein a powder pressing assembly is arranged in a housing of the brewer, which is reciprocally rotated by a first motor on one side of the outer diameter of the housing, and a brewing chamber push rod is arranged in a brewing chamber in the main body of the powder pressing assembly, which reciprocates up and down; when the top cavity opening of the brewing chamber of the powder pressing assembly rotates to a vertical powder receiving opening on one side of the top of the housing, coffee powder falls into the brewing chamber of the powder pressing assembly; when the top cavity opening of the brewing chamber of the powder pressing assembly rotates to an inclined hydraulic assembly on the other side of the top of the housing, the coffee powder in the brewing chamber of the powder pressing assembly is pushed by the hydraulic assembly to be pressed in the brewing chamber While the coffee powder cake is being made, the hot water from the boiler passes through the brewing chamber of the shell powder pressing assembly and enters the powder pressing assembly and flows out; a slag discharge hole is provided on one side of the shell below the hydraulic assembly, and during the process of the powder pressing assembly being reset to the side of the powder receiving port, the hydraulic assembly is separated from the brewing chamber of the powder pressing assembly, and the brewing chamber is reset by the push rod spring, and the coffee powder cake is pushed by the brewing chamber push rod and falls out of the inspection hole of the shell; it is characterized in that the hydraulic assembly is fixedly arranged in the screw, the external thread of the outer diameter of the screw is meshed with the internal thread of the inner diameter of the helical gear, and the outer diameter of at least one side of the helical gear extends out of the hydraulic assembly The outer gear ring of the combination is meshed with the pinion gear at the motor shaft of the second motor, the sealing seat in the hydraulic combination is provided with a liquid outlet channel, and the top of the liquid outlet channel of the sealing seat is provided with a hydraulic connection hole; raised swing shaft columns are symmetrically provided on both sides of the outer diameter of the main body below the brewing chamber of the pressed powder combination, and the swing shaft columns are buckled and fixed to the shaft buckle grooves on both sides of one end of the brewing bracket at the bottom of the pressed powder combination in the shell, the swing shaft of the first motor is connected with the shaft hole on one side of the shaft buckle groove of the brewing bracket through the shell, and the inner side of the other end of the brewing bracket is symmetrically provided with raised shaft pins, and the shaft pins of the brewing bracket are respectively inserted into the pressed powder combination There are symmetrical pin holes on both sides of the outer diameter of the lower part of the brewing chamber of the pressed powder assembly, and the powder pressing assembly is connected as a whole with the brewing bracket and rotates back and forth in a directional manner through the swing shaft of the first motor; a slag-pushing push rod is provided in the end angle groove at the main body of the brewing chamber of the pressed powder assembly on one side of the shaft pin, and the shaft of the slag-pushing push rod is buckled and fixed in the end angle groove of the pressed powder assembly for swinging, and the push rod head at one end of the slag-pushing push rod extends into the pressed powder assembly and is inserted into the rod hole at the end of the rod part of one end of the brewing chamber push rod extending from the bottom of the brewing chamber in the pressed powder assembly, and the push rod spring is provided on the outer diameter of the rod part at the bottom of the brewing chamber push rod in the brewing chamber. The above is a specific embodiment of the powder pressing combination structure. The powder pressing head in the powder pressing combination can also be equipped with a sealed powder pressing plug and a built-in spring. The liquid outlet channel is arranged in the sealed powder pressing plug, so that the liquid can pass through while pressing the powder; the above-mentioned brewing bracket and the powder pressing combination can also be integrally formed and provided with a swing shaft, so that the first motor can drive the powder pressing combination to rotate back and forth in a directional manner in the shell; the slag pushing rod can push the brewing chamber push rod up and down when the powder pressing combination rotates back and forth in a directional manner to realize powder pressing to make a powder cake, and push out the powder cake to realize slag discharge; the axial hole of the brewing bracket is a spline hole or a flat key hole.

[0005] The brewing chamber of the pressed powder assembly has an inner diameter of 52.0 mm, a maximum load of 39.0 g of coffee powder, a free height of 62.0 mm, a minimum height after compression of 25.0 mm, a maximum height after compression of 46.0 mm, and a rod height of the top slag push rod of 13.5 mm. Thus, the inner diameter of the brewing chamber is increased from the existing 39 mm to 52 mm. According to Pascal's F=P×S theorem, the larger the cross-sectional area, the greater the force it bears, which further tests the structural reliability of the entire mechanism.

[0006] The hydraulic assembly is square, and the bevel gears extend out of the four end faces of the hydraulic assembly respectively. Thus, the second motor and the corresponding pinion gear can be installed according to the space design requirements of the coffee machine, which is more flexible and convenient.

[0007] The shell includes a first shell and a second shell on both sides of the pressed powder assembly, a hydraulic shell of the outer diameter of the hydraulic assembly, a powder receiving cover at the powder receiving port, the powder receiving port is arranged on the powder receiving cover, and the powder receiving cover of the outer diameter of the powder receiving port is buckled and fixed to the first shell and the second shell on one side above the top cavity opening of the brewing chamber of the pressed powder assembly in a vertical state; when the first shell, the second shell and the powder receiving cover are put into the brewer slot on one side of the coffee machine as a whole, the top T-shaped head of the oblique protruding port of the first shell and the second shell is embedded and fixed in the T-shaped hole of the bottom shell opening of the hydraulic shell in the coffee machine, and the hydraulic assembly, the helical gear and the screw are arranged in the hydraulic shell; or, the first shell, the second shell, the powder receiving cover and the hydraulic shell are connected as a whole to form a shell, and the shell is put into the brewer slot on one side of the coffee machine as a whole. Thus, when the shell is put into the brewer slot on one side of the coffee machine as a whole, the liquid outlet channel in the pressurized liquid assembly is docked and the helical gear is meshed.

[0008] A powder scraping plate is provided at the bottom cover opening of the powder receiving cover above the top cavity opening of the brewing chamber in the powder pressing assembly, and the plate hole of the powder scraping plate is aligned with the powder receiving hole of the powder receiving cover. A raised powder scraping edge is provided at the bottom of the powder scraping plate on one side of the rotation direction of the powder pressing assembly, and the powder scraping edge of the powder scraping plate is higher than the bottom cover opening of the powder receiving cover, and the powder scraping edge of the powder scraping plate is against the cavity opening of the top of the brewing chamber in the powder pressing assembly. The above structure facilitates the scraping of coffee powder higher than the brewing chamber by the powder scraping plate.

[0009] The outer diameter of the brewing chamber of the pressed powder assembly is provided with an obliquely raised residue pouring plate below the scraping edge of the scraping plate. The above structure facilitates the extraction, brewing and brewing of the coffee powder cake pushed out of the brewing chamber as coffee residue, which falls out of the brewer through the residue pouring plate or is collected in the residue collecting box.

[0010] The outer diameter of the shell is provided with an extended American coffee water inlet and an Italian coffee water inlet on both sides, and the American coffee water inlet and the Italian coffee water inlet are respectively connected to the main body brewing chamber of the pressed powder combination in the shell, and the double liquid outlet channels in the hydraulic combination. A protruding brewing chamber water inlet is provided on one side of the bottom of the brewing chamber in the pressed powder combination, and the hot water of the boiler is connected to the brewing chamber water inlet through the American coffee water inlet and the Italian coffee water inlet, and the pressure-bearing hose in the shell. The corresponding water inlets are statically sealed and connected through corresponding pressure-bearing pipes, which reduces the risk of wastewater discharge and water leakage in the brewing chamber compared to the existing quick-connect method.

[0011] The other end of the top residue push rod protrudes outward and is provided with a limit shaft, and a limit column is provided in the shell above the limit shaft; when the coffee powder in the brewing chamber of the powder pressing assembly is pressed into a coffee powder cake by the hydraulic combination, the limit shaft of the top residue push rod is against the limit column in the shell.

[0012] The two ends of the slag push rod and the end angle groove of the main body are respectively provided with swing rods that fit the outer diameter of the brewing bracket, and the swing rod corresponds to the outer shell of the main body with an arc-shaped adjustment hole. The above structure is convenient for inserting the tool through the adjustment hole, manually adjusting the slag push rod by the swing rod to reset the brewer stuck in the powder pressing state, and manually adjusting part of the internal structure.

[0013] The outer diameter of the shell on the outside of the pressed powder assembly is provided with a loading and unloading button, and the shell is buckled and fixed in the brewer groove on one side of the coffee machine through the loading and unloading button. Therefore, it is convenient to disassemble and clean the brewer through the loading and unloading button, and it is buckled and installed in the coffee machine after automatically resetting through the loading and unloading button.

[0014] The utility model has a reasonable structural design, a large coffee powder capacity in the brewing chamber, is easy to produce, disassemble and clean, has good stability after the machine body is installed, is convenient for water pipe connection, and is convenient for making American coffee and Italian coffee; the utility model is suitable for use as a large-dose coffee machine brewer and a further improvement of similar products. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of a partially exploded structure of an embodiment of the utility model, in which the first motor is omitted.

[0016] Figure 2 yes Figure 1 Schematic diagram of the three-dimensional structure after assembly.

[0017] Figure 3 yes Figure 2 Schematic diagram of the internal structure, in which the dotted line represents part of the internal structure.

[0018] Figure 4 yes Figure 2 A schematic cross-sectional structure diagram of the present invention, wherein the dotted line in the figure represents the state of pressing powder to make coffee powder cakes, and the filling material is coffee powder cakes.

[0019] Figure 5 yes Figure 2 A schematic diagram of the three-dimensional structure on the other side is shown, in which the second motor and the pinion are omitted.

[0020] Serial number and name of the accompanying drawings: 1. Bevel gear, 2. Screw, 3. Hydraulic shell, 301. T-hole, 4. Hydraulic assembly, 5. Powder receiving cover, 6. First shell, 601. Limit column, 602. Adjustment hole, 7. Powder pressing assembly, 701. Main body, 7011. Swing shaft column, 7012. American coffee water inlet, 7013. Brewing chamber water inlet, 702. Top slag push rod, 7021. Limit shaft, 7022. Swing rod, 7023. Push rod head, 703. Brewing chamber push rod, 704. Push rod spring, 8. Pressure hose, 9. Brewing bracket, 901. Shaft hole, 902. Shaft pin, 10. Second shell, 11. Loading and unloading button, 12. Powder scraper. Implementation

[0021] Now, in conjunction with the accompanying drawings, the structure and use of the utility model are further described. Figure 1-Figure 5As shown, a powder pressing assembly 7 is provided in the housing of the brewer, which is reciprocatingly rotated by a first motor on one side of the outer diameter of the housing, and a brewing chamber push rod 703 is provided in the brewing chamber in the main body 701 of the powder pressing assembly, which reciprocates up and down; when the top cavity opening of the brewing chamber of the powder pressing assembly rotates to the vertical powder receiving port on one side of the top of the housing, the coffee powder falls into the brewing chamber of the powder pressing assembly; when the top cavity opening of the brewing chamber of the powder pressing assembly rotates to the hydraulic assembly 4 obliquely on the other side of the top of the housing, the coffee powder in the brewing chamber of the powder pressing assembly is pushed by the hydraulic assembly to be pressed into a coffee powder cake in the brewing chamber, while the hot water from the boiler passes through the brewing chamber of the shell powder pressing assembly and enters the powder pressing assembly to flow out; a slag discharge hole is provided on one side of the housing below the hydraulic assembly, and when the powder pressing assembly is reset to the side of the powder receiving port, the hydraulic assembly is separated from the brewing chamber of the powder pressing assembly, the brewing chamber is reset by the push rod spring 704, and the coffee powder cake is pushed by the brewing chamber push rod and falls out of the inspection hole of the housing. The above-mentioned hydraulic combination is fixedly arranged in the screw 2, the external thread on the outer diameter of the screw is meshed with the internal thread on the inner diameter of the bevel gear, the outer diameter of one side of the bevel gear extends out of the hydraulic combination and the outer gear ring is meshed with the pinion at the motor shaft of the second motor, the sealing seat in the hydraulic combination is provided with a liquid outlet channel, the top of the liquid outlet channel of the sealing seat is provided with a hydraulic connection hole, an internal spring is provided between the sealing seat and the sealing powder plug, the outer diameters of the sealing powder plug and the sealing seat are provided with sealing sleeves, and the outer diameter of the bottom end of the sealing powder plug is provided with a sealing sleeve for inserting a sealing ring of the powder compression combination; the hydraulic combination is square, and the bevel gears extend out of the four end faces of the hydraulic combination respectively. Protruding swing shaft columns 7011 are symmetrically provided on both sides of the outer diameter of the main body below the brewing chamber of the pressed powder combination. The swing shaft columns are buckled and fixed to the shaft buckle grooves on both sides of one end of the brewing bracket 9 at the bottom of the pressed powder combination in the shell. The swing shaft of the first motor is connected to the shaft hole 901 on one side of the shaft buckle groove of the brewing bracket through the shell. Protruding shaft pins 902 are symmetrically provided on the inner side of the other end of the brewing bracket. The shaft pins of the brewing bracket are respectively inserted into the pin holes symmetrically on both sides of the outer diameter below the brewing chamber of the pressed powder combination. The pressed powder combination and the brewing bracket are connected as a whole. The brewing bracket is triangular in shape and is directed to reciprocate by the swing shaft of the first motor; a slag-removing push rod 702 is provided in the end angle groove of the main body at the bottom of the brewing chamber of the pressed powder combination on one side of the axle pin, and the shaft of the slag-removing push rod is buckled and fixed in the end angle groove of the pressed powder combination for swinging, and a push rod head 7023 at one end of the slag-removing push rod extends into the pressed powder combination, and is inserted into the rod hole at the end of the rod part of one end of the brewing chamber push rod extending from the bottom of the brewing chamber in the pressed powder combination, and the push rod spring is provided on the outer diameter of the rod part at the bottom of the brewing chamber push rod in the brewing chamber.

[0022] The brewing chamber of the above-mentioned pressed powder assembly has an inner diameter of 52.0 mm, a maximum load of 39.0 g of coffee powder, a free height of 62.0 mm, a minimum height after compression of 25.0 mm, a maximum height after compression of 46.0 mm, and a rod height of the top slag push rod of 13.5 mm. The housing includes a first housing 6 and a second housing 10 on both sides of the pressed powder assembly, and a hydraulic housing 3 of the outer diameter of the hydraulic assembly, a powder receiving cover 5 at the powder receiving port, the powder receiving port is arranged on the powder receiving cover, and the powder receiving cover of the outer diameter of the powder receiving port is buckled and fixed to the first housing and the second housing on one side above the top cavity opening of the brewing chamber of the pressed powder assembly in a vertical state; when the first housing, the second housing and the powder receiving cover are integrally placed in the brewer slot on one side of the coffee machine, the top T-shaped heads of the oblique protruding ports of the first housing and the second housing are embedded and fixed in the T-shaped hole 301 of the bottom shell opening of the hydraulic housing in the coffee machine, and the hydraulic assembly, the bevel gear and the screw are arranged in the hydraulic housing. A powder scraper plate 12 is provided at the bottom cover opening of the powder receiving cover above the top cavity opening of the brewing chamber in the powder pressing assembly. The plate holes of the powder scraper plate are aligned with the powder receiving holes of the powder receiving cover. A raised powder scraping edge is provided at the bottom of the powder scraper plate on one side of the rotation direction of the powder pressing assembly. The powder scraping edge of the powder scraper plate is higher than the bottom cover opening of the powder receiving cover, and at the same time, the powder scraping edge of the powder scraper plate is against the cavity opening at the top of the brewing chamber in the powder pressing assembly; an obliquely raised slag pouring plate is provided on the outer diameter of the brewing chamber of the powder pressing assembly below the powder scraping edge of the powder scraper plate.

[0023] The two sides of the outer diameter of the shell are symmetrically provided with extended American coffee water inlet 7012 and Italian coffee water inlet, respectively. The American coffee water inlet and the Italian coffee water inlet are communicated with the main body brewing chamber of the pressed powder assembly in the shell, and the double liquid outlet channels in the hydraulic assembly, respectively. A protruding brewing chamber water inlet nozzle 7013 is provided on one side of the bottom of the brewing chamber in the pressed powder assembly, and the hot water of the boiler is connected to the brewing chamber water inlet nozzle through the American coffee water inlet and the Italian coffee water inlet, and the pressure-bearing hose 8 in the shell. The other end of the top residue push rod is protruding outward and provided with a limit shaft 7021, and a limit column 601 is provided in the shell above the limit shaft; when the coffee powder in the brewing chamber of the pressed powder assembly is pressed into a coffee powder cake by the hydraulic assembly, the limit shaft of the top residue push rod is against the limit column in the shell. The top residue push rod and the main body are buckled at both ends of the end angle groove. The swing rod is fitted with the outer diameter of the brewing bracket, and the shell corresponding to the swing rod is provided with an arc-shaped adjustment hole 602. A loading and unloading button 11 is provided on the outer diameter of the shell on the loading and unloading side of the outer side of the pressed powder assembly, and the shell is fastened and fixed in the brewer groove on one side of the coffee machine through the loading and unloading button.

[0024] The specific operations of the powder receiving state, powder pressing brewing state and slag discharge state of the brewer are as follows: In the powder receiving state, the first motor drives the powder pressing assembly back to the origin after being powered on, and makes the cavity opening of the brewing chamber face vertically upward; at the same time, the brewing chamber push rod in the brewing chamber is driven downward by the slag push rod, so that an open-type cavity is generated in the brewing chamber, waiting for powder receiving, and the powder receiving action is completed at this time. In the powder pressing brewing state, the first motor drives the powder pressing assembly to rotate to one side of the hydraulic assembly under power on, and the hydraulic assembly is aligned with the brewing chamber of the brewing chamber push rod and driven by the second motor to move the screw downward to fit; at this time, the liquid injected into the hydraulic assembly is converted into pressure, and the coffee powder is pushed into the brewing chamber under the extrusion of the hydraulic assembly, and the brewing chamber push rod in the brewing chamber is forced to move downward and form a powder cake in the brewing chamber; then, wait for the hot water from the boiler of the coffee machine to extract and brew coffee, and the powder pressing brewing action is completed at this time, and is discharged from the liquid outlet channel of the hydraulic assembly. In the slag discharge state, the second motor drives the screw and the hydraulic combination to reset. At the same time, while the first motor drives the powder pressing combination to return to the origin, the brewing chamber push rod in the brewing chamber pushes the coffee powder cake out and is blocked by the powder receiving cover. The pushed coffee powder cake falls out of the shell by the slag pouring plate, completing the slag discharge action.

[0025] In summary, the specific embodiment of the brewer has an outer dimension of 270×90×307mm, and has a dual-channel coffee inlet and outlet, suitable for extracting American coffee and Italian coffee. The brewing chamber automatically adjusts the stroke through the screw and hydraulics according to the amount of powder, with a minimum of 12g (Italian coffee) and a maximum of 39g (American coffee). The detachable brewing combination is easy to clean; it has hydraulic adaptive compaction of the powder cake to ensure the quality of every cup of coffee; it has automatic scraping of coffee grounds for easy dumping; it is pressed into a powder cake after being compressed, and the height is reduced to 45mm; it uses two sets of motors for transmission, which is faster and more efficient.

Claims

1. A large-dose coffee machine brewer, wherein a powder pressing assembly (7) is provided in a housing of the brewer and is reciprocally rotated by a first motor on one side of the housing outer diameter, and a brewing chamber push rod (703) is provided in a main body (701) of the powder pressing assembly and is reciprocally movable up and down; when the top cavity opening of the brewing chamber of the powder pressing assembly rotates to a vertical powder receiving opening on one side of the housing top, coffee powder falls into the brewing chamber of the powder pressing assembly; when the top cavity opening of the brewing chamber of the powder pressing assembly rotates to a hydraulic assembly (4) inclined on the other side of the housing top, the coffee powder in the brewing chamber of the powder pressing assembly is pushed by the hydraulic assembly to be pressed into a coffee powder cake in the brewing chamber, while hot water from a boiler passes through the brewing chamber of the powder pressing assembly and enters the powder pressing assembly and flows out; a slag discharge hole is provided on one side of the housing below the hydraulic assembly, and when the powder pressing assembly is reset to the side of the powder receiving opening, the hydraulic assembly is separated from the brewing chamber of the powder pressing assembly, the brewing chamber is reset by the push rod spring (704), and the coffee powder cake is pushed by the brewing chamber push rod and falls out of the inspection hole of the housing; characterized in that The hydraulic assembly (4) is fixedly arranged in the screw (2), the external thread on the outer diameter of the screw meshes with the internal thread on the inner diameter of the bevel gear (1), the outer diameter of at least one side of the bevel gear extends out of the hydraulic assembly and meshes with the pinion on the motor shaft of the second motor, the sealing seat in the hydraulic assembly is provided with a liquid outlet channel, and the top of the liquid outlet channel of the sealing seat is provided with a hydraulic connection hole; the outer diameter of the main body (701) below the brewing chamber of the pressed powder assembly (7) is symmetrically provided with raised swing shaft columns (7011), the swing shaft columns are buckled and fixed to the shaft buckle grooves on both sides of one end of the brewing bracket (9) at the bottom of the pressed powder assembly in the shell, the swing shaft of the first motor is connected to the shaft hole (901) on one side of the shaft buckle groove of the brewing bracket through the shell, and the other side of the brewing bracket is connected to the shaft hole (901) on one side of the shaft buckle groove of the brewing bracket. A protruding axle pin (902) is symmetrically provided on the inner side of the end, and the axle pins of the brewing bracket are respectively inserted into the pin holes symmetrically provided on both sides of the outer diameter below the brewing chamber of the powder pressing assembly. The powder pressing assembly and the brewing bracket are connected as a whole and rotate reciprocatingly in a directional manner through the swing shaft of the first motor; a slag-removing push rod (702) is provided in the end angle groove at the main body below the brewing chamber of the powder pressing assembly on one side of the axle pin, and the shaft of the slag-removing push rod is buckled and fixed in the end angle groove of the powder pressing assembly for swinging, and a push rod head (7023) at one end of the slag-removing push rod extends into the powder pressing assembly and is inserted into the rod hole at the end of the rod of one end of the brewing chamber push rod (703) extending from the bottom of the brewing chamber in the powder pressing assembly, and the push rod spring (704) is provided on the outer diameter of the rod at the bottom of the brewing chamber push rod in the brewing chamber.

2. The large-dose coffee brewer according to claim 1, characterized in that The brewing cavity of the powder pressing assembly (7) has an inner diameter of 52.0 mm, a maximum loading of 39.0 g of coffee powder, a free height of 62.0 mm, a minimum height after compression of 25.0 mm, a maximum height after compression of 46.0 mm, and a rod height of the top residue push rod of 13.5 mm.

3. The large-dose coffee machine brewer according to claim 1, characterized in that The hydraulic assembly (4) is square in shape, and the bevel gears (1) extend out of four end faces of the hydraulic assembly respectively.

4. The large-dose coffee brewer according to claim 1, characterized in that The shell comprises a first shell (6) and a second shell (10) on both sides of the powder pressing assembly (7), and a hydraulic shell (3) with an outer diameter of the hydraulic assembly (4), a powder receiving cover (5) at the powder receiving port, the powder receiving port being arranged on the powder receiving cover, and the powder receiving cover with an outer diameter of the powder receiving port being buckled and fixed to the first shell and the second shell on one side above the top cavity opening of the brewing chamber when the powder pressing assembly is in a vertical state; when the first shell, the second shell and the powder receiving cover are integrally placed in a brewer slot on one side of the coffee machine, the T-shaped heads at the top of the obliquely protruding ports of the first shell and the second shell are embedded in and fixed to the T-shaped holes (301) at the bottom shell opening of the hydraulic shell in the coffee machine, and the hydraulic assembly, the bevel gear (1) and the screw (2) are arranged in the hydraulic shell; or, the first shell (6), the second shell (10), the powder receiving cover (5) and the hydraulic shell (3) are integrally connected to form a shell, and the shell is integrally placed in the brewer slot on one side of the coffee machine.

5. The large-dose coffee machine brewer according to claim 1, characterized in that A powder scraping plate (12) is provided at the bottom cover opening of the powder receiving cover (5) above the top cavity opening of the brewing chamber in the powder pressing assembly (7). The plate hole of the powder scraping plate is aligned with the powder receiving hole of the powder receiving cover. A raised powder scraping edge is provided at the bottom of the powder scraping plate on one side of the rotation direction of the powder pressing assembly. The powder scraping edge of the powder scraping plate is higher than the bottom cover opening of the powder receiving cover, and at the same time, the powder scraping edge of the powder scraping plate abuts against the cavity opening at the top of the brewing chamber in the powder pressing assembly.

6. The large-dose coffee brewer according to claim 5, characterized in that An obliquely protruding slag pouring plate is provided on the outer diameter of the brewing chamber of the powder pressing assembly (7) below one side of the powder scraping edge of the powder scraping plate (12).

7. The large-dose coffee machine brewer according to claim 1, characterized in that Protruding American coffee water inlets (7012) and espresso coffee water inlets are respectively provided on both sides of the outer diameter of the shell. The American coffee water inlet and the espresso coffee water inlet are respectively connected to the brewing chamber in the main body (701) of the pressed powder assembly (7) in the shell, and the double liquid outlet channels in the hydraulic assembly (4). A protruding brewing chamber water inlet nozzle (7013) is provided on one side of the bottom of the brewing chamber in the pressed powder assembly. Hot water from the boiler is connected to the brewing chamber water inlet nozzle through the American coffee water inlet and the espresso coffee water inlet, and a pressure-bearing hose (8) in the shell.

8. The large-dose coffee brewer according to claim 1, characterized in that The other end of the top residue push rod (702) is protruding outward and is provided with a limit shaft (7021), and a limit column (601) is provided in the shell above the limit shaft; when the coffee powder in the brewing chamber of the powder pressing assembly (7) is pressed into a coffee powder cake by the hydraulic assembly (4), the limit shaft of the top residue push rod abuts against the limit column in the shell.

9. The large-dose coffee brewer according to claim 1, characterized in that The two ends of the corner grooves of the slag push rod (702) and the main body (701) are respectively provided with swing rods (7022) that fit the outer diameter of the brewing support (9), and the shell body outside the swing rod corresponding to the main body is provided with an arc-shaped adjustment hole (602).

10. The large-dose coffee brewer according to claim 1, characterized in that A loading and unloading button (11) is provided on the outer diameter of the shell on the loading and unloading side of the outer side of the pressed powder assembly (7), and the shell is fastened and fixed in the brewing device groove on one side of the coffee machine through the loading and unloading button.

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