CN117982010A - Automatic extraction brewing type brewing device of large-dose coffee machine - Google Patents
Automatic extraction brewing type brewing device of large-dose coffee machine Download PDFInfo
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- CN117982010A CN117982010A CN202410298852.7A CN202410298852A CN117982010A CN 117982010 A CN117982010 A CN 117982010A CN 202410298852 A CN202410298852 A CN 202410298852A CN 117982010 A CN117982010 A CN 117982010A
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- 238000000605 extraction Methods 0.000 title claims abstract description 19
- 239000000843 powder Substances 0.000 claims abstract description 234
- 238000003825 pressing Methods 0.000 claims abstract description 109
- 239000002893 slag Substances 0.000 claims abstract description 34
- 238000007789 sealing Methods 0.000 claims abstract description 19
- 239000007788 liquid Substances 0.000 claims abstract description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 36
- 238000007790 scraping Methods 0.000 claims description 28
- 230000006835 compression Effects 0.000 claims description 6
- 238000007906 compression Methods 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 6
- 238000007599 discharging Methods 0.000 claims description 5
- 238000011068 loading method Methods 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 235000013361 beverage Nutrition 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000000227 grinding Methods 0.000 description 2
- 235000010627 Phaseolus vulgaris Nutrition 0.000 description 1
- 244000046052 Phaseolus vulgaris Species 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
Classifications
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J31/00—Apparatus for making beverages
- A47J31/44—Parts or details or accessories of beverage-making apparatus
- A47J31/4403—Constructional details
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- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Apparatus For Making Beverages (AREA)
Abstract
The invention relates to an automatic extraction brewing type 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 products is poor in structural design, the production and assembly are inconvenient, the liquid pressing unidirectional pressed powder is less adopted, the brewing cavity capacity is smaller, and the coffee brewing mode is single. The 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, an external gear ring of which at least one side of the outer diameter extends out of the hydraulic combination is meshed with a pinion at the motor shaft of a second motor, a 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 pressure joint hole; the device is characterized in that a slag pushing push rod is arranged in an end angle groove at the main body below the brewing cavity, a push rod head at one end of the slag pushing push rod extends into the powder pressing combination and is inserted into a rod hole at the tail end of a rod part at one end of the brewing cavity push rod extending out of the bottom of the brewing cavity in the powder pressing combination, and the outer diameter of the rod part at the end is provided with the push rod spring.
Description
Technical Field
The invention relates to a brewer of a coffee machine, in particular to an automatic extraction brewing type brewer of a large-dose coffee machine.
Background
The coffee machine is a household or commercial appliance for automatically making coffee in the whole process of brewing coffee by collecting powder grinding, powder pressing, powder filling, brewing, residue removing and the like. Some existing bean grinding pressure coffee machines are provided with brewing brewer assemblies, wherein the core component of the coffee machines with brewing is a brewing structure of the brewing machine for receiving powder, pressing powder, brewing and discharging slag, such as application number 202020831309.6 disclosed in Chinese patent literature, authorized publication date 2021.04.23, and the utility model name of a brewing system for the coffee machines; further, as disclosed in the Chinese patent literature, application number 202211054805.5, application publication date 2022.11.22, the utility model name "coffee machine brewing unit and brewing method"; and application number 202310090180.6 and application publication day 2023.04.14 as disclosed in the Chinese patent literature, the utility model name is "coffee machine powder pressing method and brewing unit". However, the bottom of the brewer in the shell of the product and the similar automatic coffee machine lacks of a support structure design, the gear engagement and gear motor mounting positions are relatively fixed, and the production and assembly are relatively inconvenient; the maximum dose of such products is an input weight of 14-16 grams, allowing only small volumes of beverage, making it more difficult to provide larger volumes of beverage by successive multiple brews, and thus more difficult to provide larger volumes of beverage in one brew cycle; it is difficult to have both American and Italian coffee modes of manufacture. Meanwhile, the product is generally pushed in two directions together by a push rod and pressed powder in the brewing cavity and a mode of mutually meshed and linked outer sector gears, so that the capacity of coffee powder in the brewing cavity is smaller, and the pressed powder is pushed in a one-way hydraulic mode at one end of the pressed powder.
Disclosure of Invention
In order to overcome the defects, the invention aims to provide the automatic extraction brewing type brewing device of the large-dose coffee machine for solving the technical problems that the prior brewing device of the coffee machine products of the same type is poor in structural design, so that the production and assembly are inconvenient, the liquid pressing unidirectional pressed powder is less adopted, the brewing cavity capacity is smaller, and the coffee brewing mode is single. The aim is achieved by the following technical scheme.
An automatic extraction brewing type brewing device of a large-dose coffee machine is characterized in that a powder pressing combination which directionally and reciprocally rotates through a first motor at one side of the outer diameter of a shell is arranged in the shell of the brewing device, and a brewing cavity push rod which reciprocally moves up and down is arranged in a brewing cavity in a main body of the powder pressing combination; when the top cavity opening of the brewing cavity of the powder pressing combination rotates to the powder receiving opening which is vertical to one side of the top of the shell, coffee powder falls into the brewing cavity of the powder pressing combination; when the top cavity opening of the brewing cavity of the powder pressing combination rotates to the oblique hydraulic combination at the other side of the top of the shell, the coffee powder in the brewing cavity of the powder pressing combination is pushed by the hydraulic combination to be pressed into a coffee powder cake in the brewing cavity, and meanwhile, hot water of the boiler passes through the brewing cavity of the shell powder pressing combination and enters the powder pressing combination to flow out; one side of the shell below the hydraulic combination is provided with a slag discharging hole, the hydraulic combination is separated from a brewing cavity of the powder pressing combination in the process of resetting the powder pressing combination to one side of the powder receiving port, the brewing cavity is reset through a push rod spring, and a coffee powder cake is pushed by a push rod of the brewing cavity and falls out of the checking hole of the shell; the hydraulic combination is characterized in that the hydraulic combination 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, an external gear ring of which at least one side of the outer diameter extends out of the hydraulic combination is meshed with a pinion at the motor shaft of a second motor, a 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 pressure joint hole; the two sides of the outer diameter of the main body below the powder pressing combination are symmetrically provided with raised swing shaft posts, the swing shaft posts are buckled and fixed in shaft buckling grooves on two sides of one end of a brewing support at the bottom of the powder pressing combination in the shell, a swing shaft of a first motor is connected with a shaft hole on one side of the shaft buckling groove of the brewing support through the shell, the inner side of the other end of the brewing support is symmetrically provided with raised shaft pins, the shaft pins of the brewing support are respectively inserted into pin holes which are symmetrical on two sides of the outer diameter below the powder pressing combination, and the powder pressing combination and the brewing support are connected into a whole and directionally and reciprocally rotate through the swing shaft of the first motor; a slag pushing rod is arranged in an end angle groove at the main body of the lower part of the brewing cavity of the pressing powder combination at one side of the shaft pin, a shaft part of the slag pushing rod is buckled and fixed at the end angle groove of the pressing powder combination to swing, a pushing rod head at one end of the slag pushing rod stretches into the pressing powder combination and is inserted into a rod hole at the tail end of a rod part of the brewing cavity pushing rod stretching out of the bottom of the brewing cavity in the pressing powder combination, and the outer diameter of the rod part of the bottom of the brewing cavity pushing rod in the brewing cavity is provided with the pushing rod spring. The above is a specific embodiment of a powder pressing combination structure, the powder pressing head in the powder pressing combination can also be matched with the sealing powder pressing plug and the built-in spring, and the liquid outlet channel is arranged in the sealing powder pressing plug, so that the powder pressing can be performed and liquid can be introduced at the same time; the brewing bracket and the powder pressing combination can be integrally formed and provided with a swinging shaft, so that the first motor drives the powder pressing combination to directionally and reciprocally rotate in the shell; when the dreg pushing push rod meets the requirement of directional reciprocating rotation of the powder pressing combination, the push rod of the brewing cavity is pushed to move up and down to realize powder pressing to manufacture powder cakes, and the powder cakes are pushed out to realize dreg discharge; the shaft hole of the brewing bracket is a spline hole or a flat key hole.
The inner diameter of the brewing cavity of the pressed powder combination is 52.0mm, 39.0 g of coffee powder is loaded maximally, the free height is 62.0mm, the minimum height after compression is 25.0mm, the maximum height after compression is 46.0mm, and the height of the stem part of the top slag push rod is 13.5mm. The inner diameter of the brewing cavity is increased to 52mm from 39mm, and the larger the sectional area is, the larger the bearing force is, so that the structural reliability of the whole mechanism is more tested according to the Pascal F=P×S theorem.
The hydraulic combination is square, and the helical gear stretches out four terminal surfaces of hydraulic combination respectively. Therefore, the second motor and the corresponding pinion are installed according to the space design requirement in the coffee machine, and the coffee machine is more flexible and convenient.
The shell comprises a first shell and a second shell at two sides of the powder pressing combination, and a hydraulic shell with the outer diameter of the hydraulic combination, wherein the powder receiving cover is arranged at the powder receiving opening, the powder receiving opening is arranged at the powder receiving cover, and the powder receiving cover with the outer diameter of the powder receiving opening is buckled and fixed on the first shell and the second shell at one side above the top cavity opening of the brewing cavity under the vertical state of the powder pressing combination; when the first shell, the second shell and the powder receiving cover are integrally placed in a brewer groove at one side of the coffee machine, the T-shaped heads at the top parts of the oblique convex ports of the first shell and the second shell are embedded into and fixed in the T-shaped holes at the bottom shell opening of a hydraulic shell in the coffee machine, and the hydraulic combination, the bevel 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 into a whole to form a shell, and the shell is integrally placed into a brewer groove at one side of the coffee machine. Therefore, the butt joint of the liquid outlet channel in the liquid pressing combination and the meshing of the bevel gears can be met when the shell is integrally put in.
The powder collecting cover bottom cover opening above the top cavity opening of the brewing cavity in the powder pressing combination is provided with a powder scraping plate, a plate hole of the powder scraping plate is aligned with the powder collecting hole of the powder collecting cover, the bottom of the powder scraping plate on one side of the rotation direction of the powder pressing combination is provided with a raised powder scraping edge, and the powder scraping edge of the powder scraping plate is propped against the cavity opening at the top of the brewing cavity in the powder pressing assembly while the powder scraping edge of the powder scraping plate is higher than the powder collecting cover bottom cover opening. The structure is convenient for the coffee powder higher than the brewing cavity to be scraped through the powder scraping plate.
The outer diameter of a brewing cavity of the powder pressing combination below one side of the powder scraping edge of the powder scraping plate is provided with an inclined raised slag pouring plate. The structure is convenient for extracting, brewing and pushing out coffee powder cakes in the brewing cavity as coffee grounds, and the coffee powder cakes fall out of the brewer or are concentrated in the residue collecting box through the residue pouring plate.
The two sides of the outer diameter of the shell are respectively provided with an extended American coffee water inlet and an Italian coffee water inlet, the American coffee water inlet and the Italian coffee water inlet are respectively communicated with a main body inner brewing cavity of the shell inner pressure powder combination and a double-liquid-outlet channel of the hydraulic combination, one side of the bottom of the brewing cavity of the pressure powder combination is provided with an extended brewing cavity water inlet nozzle, hot water of the boiler is connected with the brewing cavity water inlet nozzle through the American coffee water inlet and the Italian coffee water inlet, and a pressure-bearing hose in the shell. The corresponding water inlet is static sealed, and is communicated through the corresponding pressure-bearing pipe, so that the risks of waste water discharge and water leakage of the brewing cavity are reduced compared with the existing quick-connection mode.
The other end of the slag pushing rod is outwards protruded and provided with a limiting shaft, and a limiting column is arranged in a shell above the limiting shaft; when coffee powder in the brewing cavity of the powder pressing combination presses a coffee powder cake through the hydraulic combination, the limiting shaft of the slag pushing rod is propped against the limiting column in the shell.
The two ends of the buckling part of the slag pushing rod and the end angle groove of the main body are respectively provided with a swinging rod attached to the outer diameter of the brewing bracket, and the shell of the swinging rod corresponding to the outer side of the main body is provided with an arc-shaped adjusting hole. The structure is convenient for the brewer to reset after the tool is inserted into the adjusting hole by manually adjusting the slag pushing rod by the swing rod, and the brewer is in a clamping position under the pressed powder state, and the manual adjustment of part of the internal structure.
The outer diameter of the assembling and disassembling side of the shell outside the powder pressing combination is provided with an assembling and disassembling button, and the shell is buckled and fixed in a brewer groove at one side of the coffee machine through the assembling and disassembling button. Thereby being convenient for disassembling and cleaning the brewer through the assembling and disassembling button and being buckled and installed in the coffee machine after the assembling and disassembling button is automatically reset.
The invention has reasonable structural design, large capacity of coffee powder in the brewing cavity, convenient production, disassembly and cleaning, good stability after the machine body is installed, convenient waterway connection pipe and convenient American coffee and Italian coffee manufacture; the automatic extraction brewing type brewing device is suitable for being used as an automatic extraction brewing type brewing device of a large-dose coffee machine and further improves similar products.
Drawings
Fig. 1 is a schematic view of a partially exploded construction of an embodiment of the present invention, in which a first motor is omitted.
Fig. 2 is a schematic perspective view of the assembled structure of fig. 1.
Fig. 3 is a schematic view of the internal structure of fig. 2, wherein broken lines are part of the internal structure.
Fig. 4 is a schematic cross-sectional view of fig. 2, in which broken lines are a state in which a pressed powder is used to make a coffee pad, and a filler is used to make the coffee pad.
Fig. 5 is a schematic view of another side perspective of fig. 2, omitting the second motor and pinion.
Figure number and name: 1. helical gear, 2, screw rod, 3, hydraulic shell, 301, T-shaped hole, 4, hydraulic combination, 5, powder receiving cover, 6, first casing, 601, spacing post, 602, adjusting hole, 7, powder pressing combination, 701, main body, 7011, pendulum shaft post, 7012, american coffee water inlet, 7013, brewing cavity water inlet, 702, slag pushing rod, 7021, spacing shaft, 7022, pendulum rod, 7023, push rod head, 703, brewing cavity pushing rod, 704, push rod spring, 8, pressure-bearing hose, 9, brewing bracket, 901, shaft hole, 902, shaft pin, 10, second casing, 11, loading and unloading button, 12, and powder scraping plate.
Description of the embodiments
The construction and use of the present invention will now be further described with reference to the accompanying drawings. As shown in fig. 1-5, a powder pressing combination 7 which directionally and reciprocally rotates by a first motor at one side of the outer diameter of the shell is arranged in the shell of the brewer, and a brewing cavity push rod 703 which reciprocally moves up and down is arranged in a brewing cavity in a main body 701 of the powder pressing combination; when the top cavity opening of the brewing cavity of the powder pressing combination rotates to the powder receiving opening which is vertical to one side of the top of the shell, coffee powder falls into the brewing cavity of the powder pressing combination; when the top cavity opening of the brewing cavity of the powder pressing combination rotates to the hydraulic combination 4 inclined at the other side of the top of the shell, the coffee powder in the brewing cavity of the powder pressing combination is pushed by the hydraulic combination to be pressed into a coffee powder cake in the brewing cavity, and meanwhile, hot water of the boiler passes through the brewing cavity of the shell powder pressing combination and enters the powder pressing combination to flow out; one side of the shell below the hydraulic combination is provided with a slag discharging hole, the hydraulic combination is separated from a brewing cavity of the powder pressing combination in the process of resetting the powder pressing combination to one side of the powder receiving port, the brewing cavity is reset through a push rod spring 704, and the coffee powder cake is pushed by a push rod of the brewing cavity and falls out of the checking hole of the shell. The hydraulic combination is fixedly arranged in the screw rod 2, an external thread of the outer diameter of the screw rod is meshed with an internal thread of the inner diameter of the helical gear, an external gear ring of which one side outer diameter extends out of the hydraulic combination is meshed with a pinion gear at the motor shaft of the second motor, a sealing seat in the hydraulic combination is provided with a liquid outlet channel, a hydraulic pressure joint hole is arranged at the top of the liquid outlet channel of the sealing seat, a built-in spring is arranged between the sealing seat and a sealing powder pressing plug, sealing sleeves are arranged on the outer diameters of the sealing powder pressing plug and the sealing seat, and a sealing ring for sealing and sleeving the sealing powder pressing combination is arranged on the outer diameter of one end of the bottom of the sealing powder pressing plug; the hydraulic combination is square, and the helical gear stretches out four terminal surfaces of hydraulic combination respectively. The two sides of the outer diameter of the main body below the powder pressing combination are symmetrically provided with raised swing shaft posts 7011, the swing shaft posts are buckled and fixed in shaft buckling grooves at two sides of one end of a brewing support 9 at the bottom of the powder pressing combination in the shell, a swing shaft of a first motor is connected with a shaft hole 901 at one side of the shaft buckling groove of the brewing support through the shell, the inner side of the other end of the brewing support is symmetrically provided with raised shaft pins 902, the shaft pins of the brewing support are respectively inserted into pin holes which are symmetrical at two sides of the outer diameter below the powder pressing combination, the powder pressing combination and the brewing support are connected into a whole and directionally reciprocate through the swing shaft of the first motor, and the brewing support is triangular; a slag pushing rod 702 is arranged in an end angle groove at the main body of the lower part of the brewing cavity of the pressing powder combination at one side of the shaft pin, a shaft part of the slag pushing rod is buckled and fixed at the end angle groove of the pressing powder combination to swing, a push rod head 7023 at one end of the slag pushing rod extends into the pressing powder combination and is inserted into a rod hole at the tail end of a rod part of the brewing cavity pushing rod extending out of the bottom of the brewing cavity in the pressing powder combination, and the outer diameter of the rod part of the bottom of the brewing cavity pushing rod in the brewing cavity is provided with the push rod spring.
The inner diameter of the brewing cavity of the powder pressing combination is 52.0mm, 39.0 g of coffee powder is loaded maximally, the free height is 62.0mm, the minimum height after compression is 25.0mm, the maximum height after compression is 46.0mm, and the height of the stem part of the slag pushing rod is 13.5mm. The shell comprises a first shell 6 and a second shell 10 on two sides of the powder pressing combination, and a hydraulic shell 3 with the outer diameter of the hydraulic combination, a powder receiving cover 5 at a powder receiving opening, wherein the powder receiving opening is arranged on the powder receiving cover, and the powder receiving cover with the outer diameter of the powder receiving opening is buckled and fixed on the first shell and the second shell on one side above a top cavity opening of the brewing cavity under the vertical state of the powder pressing combination; when the first shell, the second shell and the powder receiving cover are integrally placed in a brewer groove at one side of the coffee machine, the T-shaped heads at the top parts of the oblique convex ports of the first shell and the second shell are embedded into and fixed in the T-shaped holes 301 at the bottom shell opening of a hydraulic shell in the coffee machine, and the hydraulic combination, the bevel gear and the screw are arranged in the hydraulic shell; . The powder scraping plate 12 is arranged at the bottom cover opening of the powder receiving cover above the top cavity opening of the brewing cavity in the powder pressing combination, the plate holes of the powder scraping plate are aligned with the powder receiving holes of the powder receiving cover, the bottom of the powder scraping plate is provided with a convex powder scraping edge at one side of the rotation direction of the powder pressing combination, and the powder scraping edge of the powder scraping plate is propped against the cavity opening at the top of the brewing cavity in the powder pressing assembly while being higher than the bottom cover opening of the powder receiving cover; the outer diameter of the brewing cavity of the powder pressing combination below one side of the powder scraping edge of the powder scraping plate is provided with an inclined convex slag pouring plate.
The two sides of the outer diameter of the shell are symmetrically provided with an extending American coffee water inlet 7012 and an Italian coffee water inlet respectively, the American coffee water inlet and the Italian coffee water inlet are communicated with a main body inner brewing cavity of the shell inner pressure powder combination and a double liquid outlet channel of the hydraulic combination respectively, one side of the bottom of the brewing cavity of the pressure powder combination is provided with an extending brewing cavity water inlet 7013, hot water of the boiler passes through the American coffee water inlet and the Italian coffee water inlet, and a pressure-bearing hose 8 in the shell is connected with the brewing cavity water inlet. A limiting shaft 7021 is arranged at the other end of the slag pushing rod in an outward protruding mode, and a limiting column 601 is arranged in a shell above the limiting shaft; when coffee powder in the brewing cavity of the powder pressing combination presses a coffee powder cake through the hydraulic combination, the limiting shaft of the slag pushing rod is propped against the limiting column in the shell. Two ends of the buckling part of the slag pushing rod and the end angle groove of the main body are respectively provided with a swinging rod 7022 which is attached to the outer diameter of the brewing bracket, and an arc-shaped adjusting hole 602 is arranged on the shell of the swinging rod corresponding to the outer side of the main body. The outer diameter of the outer side of the shell of the powder pressing combination, which is assembled and disassembled, is provided with an assembling and disassembling button 11, and the shell is buckled and fixed in a brewer groove at one side of the coffee machine through the assembling and disassembling button.
The specific operation of the powder receiving state, the powder pressing brewing state and the slag discharging state of the brewer is as follows: in a powder receiving state, the first motor drives the powder pressing combination to return to the original point after being electrified, and enables the cavity opening of the brewing cavity to be vertically upwards; meanwhile, a brewing cavity push rod in the brewing cavity drives the brewing cavity push rod to move downwards through the slag pushing push rod, so that an open type containing cavity is formed in the brewing cavity, powder receiving is waited for, and the powder receiving action is completed at the moment. In a powder pressing brewing state, the first motor drives the powder pressing combination to rotate to one side of the hydraulic combination under the condition of electrifying, the hydraulic combination is aligned with a brewing cavity of a push rod of the brewing cavity, and the second motor drives the screw rod to move downwards to be sleeved; at this time, the liquid injected into the hydraulic combination is converted into pressure, the coffee powder is pushed into the brewing cavity under the extrusion of the hydraulic combination, the push rod of the brewing cavity in the brewing cavity is forced to move downwards, and a powder cake is made in the brewing cavity; then, the hot water in the boiler from the coffee machine is waited for coffee extraction brewing, at this time, the powder pressing brewing operation is completed, and the hot water is discharged from the liquid outlet channel of the hydraulic combination. And in the deslagging state, the second motor drives the screw rod and the hydraulic combination to reset, and the first motor drives the brewing cavity push rod in the brewing cavity to push out the coffee powder cake in the process that the pressed powder combination returns to the original point, and the pushed coffee powder cake is blocked by the powder receiving cover and falls out of the shell by the deslagging plate, so that deslagging action is completed.
In summary, the peripheral dimensions of the brewer: 270X 90X 307mm, has two-channel coffee inlet and outlet, is suitable for extracting American coffee and Italian coffee, and the brewing chamber automatically adjusts the stroke according to the powder amount by a screw and hydraulic pressure, and has a minimum 12g (Italian coffee) and a maximum powder amount of 39g (American coffee); the detachable brewing combination is convenient to clean; the quality of each cup of coffee is ensured by the hydraulic self-adaptive compaction of the powder cake; the coffee grounds are scraped automatically, so that the pouring of the coffee grounds is convenient; pressing into powder cake after being pressed, and reducing the height to 45mm; and the two groups of motors are used for transmission, so that the speed and the efficiency are higher.
Claims (10)
1. An automatic extraction brewing type brewing device of a large-dose coffee machine, wherein a powder pressing combination (7) which directionally and reciprocally rotates through a first motor at one side of the outer diameter of the shell is arranged in the shell of the brewing device, and a brewing cavity push rod (703) which reciprocally moves up and down is arranged in a brewing cavity in a main body (701) of the powder pressing combination; when the top cavity opening of the brewing cavity of the powder pressing combination rotates to the powder receiving opening which is vertical to one side of the top of the shell, coffee powder falls into the brewing cavity of the powder pressing combination; when the top cavity opening of the brewing cavity of the powder pressing combination rotates to the hydraulic combination (4) inclined at the other side of the top of the shell, the coffee powder in the brewing cavity of the powder pressing combination is pushed by the hydraulic combination to be pressed into a coffee powder cake in the brewing cavity, and meanwhile, hot water of the boiler passes through the brewing cavity of the shell powder pressing combination and enters the powder pressing combination to flow out; one side of the shell below the hydraulic combination is provided with a slag discharging hole, the hydraulic combination is separated from a brewing cavity of the powder pressing combination in the process of resetting the powder pressing combination to one side of the powder receiving port, the brewing cavity is reset through a push rod spring (704), and a coffee powder cake is pushed by a push rod of the brewing cavity and falls out of the checking hole of the shell; the hydraulic assembly (4) is fixedly arranged in the screw (2), external threads of the outer diameter of the screw are meshed with internal threads of the inner diameter of the bevel gear (1), an external gear ring of which at least one side of the outer diameter extends out of the hydraulic assembly is meshed with a pinion at the motor shaft of the second motor, a 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 pressure connecting hole; the two sides of the outer diameter of the main body (701) below the brewing cavity of the powder pressing combination (7) are symmetrically provided with raised swing shaft columns (7011), the swing shaft columns are buckled and fixed in shaft buckling grooves on two sides of one end of a brewing support (9) at the bottom of the powder pressing combination in the shell, a swing shaft of a first motor is connected with a shaft hole (901) on one side of the shaft buckling groove of the brewing support through the shell, the inner side of the other end of the brewing support is symmetrically provided with raised shaft pins (902), the shaft pins of the brewing support are respectively inserted into pin holes which are symmetrical on two sides of the outer diameter below the brewing cavity of the powder pressing combination, and the powder pressing combination and the brewing support are connected into a whole and directionally and reciprocally rotate through the swing shaft of the first motor; a slag pushing rod (702) is arranged in an end angle groove at the main body of the lower part of the brewing cavity of the pressing powder combination on one side of the shaft pin, a shaft part of the slag pushing rod is buckled and fixed at the end angle groove of the pressing powder combination to swing, a push rod head (7023) at one end of the slag pushing rod extends into the pressing powder combination and is inserted into a rod hole at the tail end of a rod part of the brewing cavity pushing rod (703) extending out of the bottom of the brewing cavity in the pressing powder combination, and the outer diameter of the rod part at the bottom of the brewing cavity pushing rod in the brewing cavity is provided with the push rod spring (704).
2. The automatic extraction brewing device of a high-dose coffee machine according to claim 1, characterized in that the brewing cavity of the powder pressing combination (7) has an inner diameter of 52.0mm, a maximum loading of 39.0 grams of coffee powder, a free height of 62.0mm, a minimum height of 25.0mm after compression, a maximum height of 46.0mm after compression, and a stem height of 13.5mm of the top slag pushing rod.
3. The automatic extraction brewing device of a large-dose coffee machine according to claim 1, characterized in that the hydraulic assembly (4) is square, and the bevel gears (1) extend out of the four end faces of the hydraulic assembly, respectively.
4. The automatic extraction brewing device of a large-dose coffee machine according to claim 1, wherein the shell comprises a first shell (6) and a second shell (10) which are arranged on two sides of a powder pressing combination (7), and a hydraulic shell (3) with the outer diameter of a hydraulic combination (4), a powder receiving cover (5) at a powder receiving port, the powder receiving port is arranged on the powder receiving cover, and the powder receiving cover with the outer diameter of the powder receiving port is buckled and fixed on the first shell and the second shell on one side above a top cavity opening of a brewing cavity under the vertical state of the powder pressing combination; when the first shell, the second shell and the powder receiving cover are integrally placed in a brewer groove at one side of the coffee machine, the T-shaped heads at the top parts of the oblique convex ports of the first shell and the second shell are embedded into and fixed in the T-shaped holes (301) at the bottom shell opening of a hydraulic shell in the coffee machine, and the hydraulic combination, 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 connected into a whole to form a shell, and the shell is integrally placed into a brewer groove at one side of the coffee machine.
5. The automatic extraction brewing type brewer of a large-dose coffee machine according to claim 1, wherein a powder scraping plate (12) is arranged at a bottom cover opening of a powder receiving cover (5) above a top cavity opening of a brewing cavity in the powder pressing combination (7), a plate hole of the powder scraping plate is aligned with a powder receiving hole of the powder receiving cover, a raised powder scraping edge is arranged at the bottom of the powder scraping plate at one side of the rotation direction of the powder pressing combination, and the powder scraping edge of the powder scraping plate is propped against the cavity opening of the brewing cavity in the powder pressing assembly while being higher than the bottom cover opening of the powder receiving cover.
6. The automatic extraction brewing type brewer of a large-dose coffee machine according to claim 1, wherein the outer diameter of the brewing cavity of the powder pressing combination (7) below the side of the powder scraping edge of the powder scraping plate (12) is provided with a slag pouring plate protruding obliquely.
7. The automatic extraction brewing device of a large-dose coffee machine according to claim 1, wherein two sides of the outer diameter of the shell are respectively provided with an extended American coffee water inlet (7012) and an Italian coffee water inlet, the American coffee water inlet and the Italian coffee water inlet are respectively communicated with a brewing cavity in a main body (701) of a shell internal pressure powder combination (7) and a double liquid outlet channel in a hydraulic combination (4), one side of the bottom of the brewing cavity in the powder combination is provided with an extended brewing cavity water inlet (7013), hot water of a boiler passes through the American coffee water inlet and the Italian coffee water inlet, and a pressure-bearing hose (8) in the shell is connected with the brewing cavity water inlet.
8. The automatic extraction brewing device of the large-dose coffee machine according to claim 1, which is characterized in that a limiting shaft (7021) is arranged at the other end of the slag pushing rod (702) in an outward protruding way, and a limiting column (601) is arranged in a shell above the limiting shaft; when coffee powder in a brewing cavity of the powder pressing combination (7) presses a coffee powder cake through the hydraulic combination (4), a limiting shaft of the slag pushing rod is propped against a limiting column in the shell.
9. The automatic extraction brewing device of a large-dose coffee machine according to claim 1, wherein two ends of the buckling part of the top slag push rod (702) and the end corner groove of the main body (701) are respectively provided with a swinging rod (7022) attached to the outer diameter of the brewing bracket (9), and the shell of the swinging rod corresponding to the outer side of the main body is provided with an arc-shaped adjusting hole (602).
10. The automatic extraction brewing type brewer of a large dose coffee machine according to claim 1, wherein a loading and unloading button (11) is arranged on the outer diameter of the outer side of the shell of the powder pressing combination (7), and the shell is buckled and fixed in a brewer groove on one side of the coffee machine through the loading and unloading button.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410298852.7A CN117982010A (en) | 2024-03-15 | 2024-03-15 | Automatic extraction brewing type brewing device of large-dose coffee machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410298852.7A CN117982010A (en) | 2024-03-15 | 2024-03-15 | Automatic extraction brewing type brewing device of large-dose coffee machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117982010A true CN117982010A (en) | 2024-05-07 |
Family
ID=90888972
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202410298852.7A Pending CN117982010A (en) | 2024-03-15 | 2024-03-15 | Automatic extraction brewing type brewing device of large-dose coffee machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117982010A (en) |
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2024
- 2024-03-15 CN CN202410298852.7A patent/CN117982010A/en active Pending
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