CN112754285A - Full-automatic coffee machine with novel water injection, grinding function - Google Patents
Full-automatic coffee machine with novel water injection, grinding function Download PDFInfo
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- CN112754285A CN112754285A CN202110288337.7A CN202110288337A CN112754285A CN 112754285 A CN112754285 A CN 112754285A CN 202110288337 A CN202110288337 A CN 202110288337A CN 112754285 A CN112754285 A CN 112754285A
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- water injection
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- disc
- coffee
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 204
- 238000002347 injection Methods 0.000 title claims abstract description 126
- 239000007924 injection Substances 0.000 title claims abstract description 126
- 238000000227 grinding Methods 0.000 title claims abstract description 85
- 235000016213 coffee Nutrition 0.000 title claims abstract description 61
- 235000013353 coffee beverage Nutrition 0.000 title claims abstract description 61
- 241000533293 Sesbania emerus Species 0.000 claims abstract description 17
- 238000010438 heat treatment Methods 0.000 claims abstract description 16
- 230000005540 biological transmission Effects 0.000 claims abstract description 15
- 230000004907 flux Effects 0.000 claims abstract description 14
- 238000003860 storage Methods 0.000 claims abstract description 13
- 244000046052 Phaseolus vulgaris Species 0.000 claims abstract description 12
- 235000010627 Phaseolus vulgaris Nutrition 0.000 claims abstract description 12
- 239000000919 ceramic Substances 0.000 claims abstract description 9
- 239000007788 liquid Substances 0.000 claims description 29
- 238000004321 preservation Methods 0.000 claims description 12
- 239000000843 powder Substances 0.000 claims description 11
- 235000019640 taste Nutrition 0.000 claims description 11
- 230000033001 locomotion Effects 0.000 claims description 8
- 238000004140 cleaning Methods 0.000 claims description 4
- 230000000694 effects Effects 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 230000009467 reduction Effects 0.000 claims description 2
- 238000005516 engineering process Methods 0.000 abstract description 4
- 240000007154 Coffea arabica Species 0.000 description 48
- 238000013124 brewing process Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 235000013361 beverage Nutrition 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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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
- A47J31/18—Apparatus in which ground coffee or tea-leaves are immersed in the hot liquid in the beverage container
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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
Abstract
A full-automatic coffee machine with novel water injection and grinding functions comprises a water storage device, a water injection device, a bean bin device, a grinding device, a filter cup conveying device and a control device. The water storage device comprises a kettle, a limiting frame, a water baffle, a PTC ceramic heating sheet, a temperature sensor, a push rod and a magnetic flux push-pull valve; the water injection device comprises a water receiving container, a flowmeter, a water injection motor gear, a water injection stepping motor, a water inlet, an inner water injection disc, an outer water injection gear ring and a water outlet; the grinding device comprises a grinding motor gear, a grinding stepping motor, a transmission cover, a grinding outer gear ring, a shell seat, a central shaft, a limiting spring, an outer cutter head, a conical cutter head and an adjusting nut; the filter cup conveying device comprises a stepping motor, a belt wheel, a V-shaped belt, a screw rod, a sliding block, a tray fixing frame, a filter cup and a limiting sensor; the invention adopts the technology of eccentric matching of the inner and outer circular discs to artificially adjust the water injection track; the grinding degree of coffee beans is adjusted by adopting a structure that the conical cutter disc is matched with the outer cutter disc.
Description
Technical Field
The invention relates to a full-automatic coffee machine with novel water injection and grinding functions, belonging to the technical field of coffee machines.
Background
Coffee is one of the most popular beverages in the human society, and the requirements on the quality of coffee are gradually improved along with the improvement of the life quality of people.
At present, most coffee machines on the market mainly have two problems in the coffee brewing process, and the first problem is that: the coffee machine has no grinding function, most of the coffee machines brew with ground coffee powder, but aroma substances of coffee volatilize very quickly after coffee beans are ground into powder, so the ground coffee powder cannot ensure the quality and the taste of the coffee; the second problem is: the taste and quality of coffee are guaranteed, the water injection brewing process is very important, most coffee machines on the market adopt drip filtration type water injection, water outlet of a water injection port is unstable, and powder layer state is easily damaged during water injection, so that the coffee extraction efficiency is damaged, and the taste of coffee is influenced.
In order to solve the problems, the invention adopts a water injection technology of matching a gear ring and an inner circular disc and an outer circular disc in an eccentric matching way, the inner circular disc can rotate relative to the outer circular disc in an artificial adjustment way so as to realize water injection with different tracks in a certain range, the mechanical structure is smaller, the tracks are controllable, the phenomena of the water taking condition of coffee powder and the construction of a water flow channel in the brewing process are solved, the quality and the characteristics of coffee are better kept, and the stability of coffee products is improved; the grinding technology that the conical cutter disc and the outer cutter disc are matched with each other is adopted, the grinding space is changed by rotating the adjusting nut so as to adjust the grinding thickness of coffee beans, the coffee with different tastes is made, the adjusting nut can be screwed out downwards from the central shaft, the central shaft and the conical cutter disc are convenient to disassemble, and the cleaning is convenient.
Disclosure of Invention
The invention overcomes the defects of the prior art, and aims to provide a full-automatic coffee machine with novel water injection and grinding functions.
A full-automatic coffee machine with novel water injection and grinding functions comprises a water storage device, a water injection device, a bean bin device, a grinding device, a filter cup conveying device and a control device.
The water storage device is characterized by comprising a kettle, a limiting frame, a water baffle, a PTC ceramic heating sheet, a temperature sensor, a push rod and a magnetic flux push-pull valve; the limiting frame and the water baffle are located at the bottom of the kettle, the limiting frame is fixedly mounted above the water baffle to limit the movement range of a push rod of the magnetic flux push-pull valve, the water baffle is made of rubber, the water baffle is fixedly connected with the push rod of the magnetic flux push-pull valve, the PTC ceramic heating plate is fixedly mounted on the side face of the kettle to heat liquid in the kettle, the temperature sensor detects the temperature of the liquid, the temperature of the liquid reaches a set temperature, the push rod of the magnetic flux push-pull valve pushes the water baffle to move upwards to enable the water baffle to move upwards to the bottom position of the limiting frame, the sealing effect of rubber disappears, and the liquid flows out from a gap between the water baffle and the bottom of the kettle and flows into the water injection device.
The water injection device is characterized by comprising a water receiving container, a flowmeter, a water injection motor gear, a water injection stepping motor, a water inlet, an inner water injection disc, an outer water injection gear ring and a water outlet; the water receiving container is positioned under the water kettle, the flowmeter is installed on the side face of the water receiving container, the water injection motor gear is in key connection with the water injection stepping motor and is meshed with the water injection outer gear ring, the water injection outer disc is in threaded connection with the water injection outer gear ring, the inner water injection disc is a container with a water outlet at the bottom and is in eccentric fit with the water injection outer disc, the water injection stepping motor drives the water injection outer gear ring, the water injection outer disc and the inner water injection disc to rotate through the water injection motor gear, liquid flowing into the inner water injection disc from the water inlet flows into the filter cup through the water outlet according to a certain track, and the inner water injection disc can rotate relative to the outer water injection disc in a manual adjustment mode to achieve water injection with different tracks in a certain.
The coffee bean grinding device is characterized in that the bean cabin device is used for storing coffee beans and is positioned right above the grinding device.
The grinding device is characterized by comprising a grinding motor gear, a grinding stepping motor, a transmission cover, a grinding outer gear ring, a shell seat, a central shaft, a limiting spring, an outer cutter head, a conical cutter head and an adjusting nut; the grinding motor gear is in key connection with a grinding stepping motor shaft and is meshed with the grinding outer gear ring, the top of the transmission cover is just opposite to an outlet of the bean bin device, the lower end of the transmission cover is fixedly connected with the grinding outer gear ring, the upper end of the central shaft is fixedly connected with the transmission cover, the middle of the central shaft is in key connection with the conical cutter head, the lower end of the central shaft is in threaded connection with the adjusting nut, the conical cutter head is of a conical structure and forms a grinding space with the outer cutter head, the outer cutter head is fixedly connected with the bottom of the shell seat, the shell seat is fixedly connected with the back plate, the limiting spring is installed between the shell seat and the conical cutter head, and the pre-tightening force of the adjusting nut acts on the conical cutter head, so that the limiting spring is tightly pressed to limit the longitudinal movement of the conical cutter head, and meanwhile, the grinding space size can, and the adjusting nut can be screwed out from the central shaft downwards, so that the central shaft and the conical cutter head are detached, and the cleaning is convenient.
The device is characterized in that the filter bowl conveying device comprises a stepping motor, a belt wheel, a V-shaped belt, a screw, a sliding block, a tray fixing frame, a filter bowl, a left limit sensor and a right limit sensor; the V-shaped belt is matched with the belt wheel, the input end of the V-shaped belt is in key connection with the stepping motor, the output end of the V-shaped belt is connected with the screw rod through the bearing, the slider is installed on the screw rod, the screw rod rotates, the slider moves horizontally, one end of the tray fixing frame is fixed on the slider, the other end of the tray fixing frame is connected with the tray through the bolt, the tray carries the filter cup to reciprocate along with the slider, the water injection and powder injection work is completed, and the left limiting sensor and the right limiting sensor are installed on the back plate and used for limiting the movement range.
The control device is characterized by comprising a heat preservation plate, a single chip microcomputer, a touch screen, a start button, a stop button, an automatic button and a manual button; the heat preservation plate is arranged on the bottom plate, heat preservation of the cup body is achieved, the coffee liquid is prevented from being cooled to affect taste, the touch screen is used for setting parameters such as brewing time and liquid heating time, the starting button and the automatic button are combined to achieve an automatic operation mode, the single chip microcomputer receives signals input by the touch screen, the liquid heating time and the coffee brewing time are calculated, the stopping button is pressed to finish brewing of coffee, the starting button is combined with the manual button to achieve single-step operation, and the single-step coffee brewing function is achieved by pressing the manual button once.
Considering that the number of revolutions and the time taken for grinding coffee beans of different particle sizes and different roasting depths are different, the rotation speed of the grinding stepping motor is 60r/min, the number of teeth of the grinding outer gear ring is 56, and the number of teeth of the grinding motor gear is 20.
Considering the stability and the uniformity of the water injection process, the rotating speed of the water injection stepping motor is 20 r/min.
The external dimension of the coffee maker is 360mm multiplied by 300mm multiplied by 510mm in length multiplied by width multiplied by height, the volume of the kettle is 2L, and the quantity of the coffee brewed at one time is 400 ml.
Compared with the prior art, the invention has the beneficial effects that: the invention adopts the water injection technology of matching the gear and the gear ring and eccentrically matching the inner disk and the outer disk, the inner disk can rotate relative to the outer disk in a manual adjustment mode so as to realize water injection with different tracks in a certain range, the mechanical structure is smaller, the tracks are controllable, the problems of the water taking condition of coffee powder and the phenomenon of constructing a water flow channel in the brewing process are solved, the quality and the characteristics of coffee are better kept, and the stability of coffee products is improved; adopt the grinder that has adjusting nut, can change the thickness of grinding space size in order to adjust the coffee beans grinding through rotatory adjusting nut, realize the preparation of different taste coffees, and adjusting nut can follow the central axis and unscrew downwards, makes things convenient for well core rod and conical cutter dish to dismantle, is convenient for wash.
Drawings
FIG. 1 is an overall structural view of a fully automatic coffee machine of the present invention;
FIG. 2 is a cross-sectional view of a water storage device of the present invention;
FIG. 3 is a block diagram of the water outlet of the water storage device of the present invention;
FIG. 4 is a cross-sectional view of the water injection means of the present invention;
FIG. 5 is a cross-sectional view of the polishing apparatus of the present invention;
FIG. 6 is an enlarged fragmentary view of the cone deck of the present invention;
FIG. 7 is a block diagram of the bowl transfer unit of the present invention;
fig. 8 is a structural diagram of the control device of the present invention.
Wherein: 1. a water storage device, 2, a water injection device, 3, a bean bin device, 4, a grinding device, 5, a filter cup conveying device, 6, a back plate, 7, a control device, 8, a kettle, 9, a limiting frame, 10, a water baffle, 11, a temperature sensor, 12, a PTC ceramic heating plate, 13, a push rod, 14, a magnetic flux push-pull valve, 15, a water receiving container, 16, a flow meter, 17, a water injection motor gear, 18, a water injection stepping motor, 19, an inner water injection disc, 20, a water inlet, 21, an outer water injection disc, 22, an outer water injection gear ring, 23, a water outlet, 24, a grinding motor gear, 25, a grinding stepping motor, 26, a transmission cover, 27, a central shaft, 28, an outer grinding gear ring, 29, a shell base, 30, a limiting spring, 31, an outer cutter disc, 32, a cone cutter disc, 33, an adjusting nut, 34, a tray, 35, a screw, 36, a left limiting sensor, 37 and, 38. the device comprises a right limit sensor 39, a stepping motor 40, a V-shaped belt 41, a belt wheel 42, a sliding block 43, a filter cup 44, a heat preservation disc 45, a start button 46, a single chip microcomputer 47, a stop button 48, an automatic button 49, a manual button 50, a touch screen 51 and a bottom plate.
Detailed Description
As shown in fig. 1-8, a fully automatic coffee machine with novel water injection and grinding functions comprises a water storage device 1, a water injection device 2, a bean bin device 3, a grinding device 4, a filter cup conveying device 5 and a control device 7.
The water storage device 1 is characterized by comprising a kettle 8, a limiting frame 9, a water baffle 10, a PTC ceramic heating piece 12, a temperature sensor 11, a push rod 13 and a magnetic flux push-pull valve 14; the limiting frame 9 and the water baffle 10 are located at the bottom of the kettle 8, the limiting frame 9 is fixedly installed above the water baffle 10 to limit the movement range of a push rod 13 of the magnetic flux push-pull valve 14, the water baffle 10 is made of rubber, the water baffle 10 is fixedly connected with the push rod 13 of the magnetic flux push-pull valve 14, the PTC ceramic heating plate 12 is fixedly installed on the side face of the kettle 8 to heat liquid in the kettle 8, the temperature sensor 11 detects the temperature of the liquid, the temperature of the liquid reaches a set temperature, the push rod 13 of the magnetic flux push-pull valve 14 pushes the water baffle 10 to move upwards, the water baffle 10 moves upwards to the bottom of the limiting frame 9, the sealing effect of the rubber disappears, and the liquid flows out from a gap between the water baffle 10 and the bottom of the kettle 8 and flows into the water injection device 2 through the water receiving container.
The water injection device 2 is characterized by comprising a water receiving container 15, a flowmeter 16, a water injection motor gear 17, a water injection stepping motor 18, a water inlet 20, an inner water injection disc 19, an outer water injection disc 21, an outer water injection gear ring 22 and a water outlet 23; the water receiving container 15 is positioned under the kettle 8, the flowmeter 16 is installed on the side surface of the water receiving container 15, the water injection motor gear 17 is in key connection with the water injection stepping motor 18 and is meshed with the water injection outer gear ring 22, the water injection outer disc 21 is in threaded connection with the water injection outer gear ring 22, the water injection inner disc 19 is a container with a water outlet 23 at the bottom and is in eccentric fit with the water injection outer disc 21, the water injection stepping motor 18 drives the water injection outer gear ring 22, the water injection outer disc 21 and the water injection inner disc 19 to rotate through the water injection motor gear 17, liquid flowing into the water injection inner disc 19 from the water inlet 20 flows into the filter cup 43 through the water outlet 23 according to a certain track, and the water injection inner disc 19 can rotate relative to the water injection outer disc 21 in an artificial adjustment mode to realize water injection with different tracks in a certain range.
Characterized in that the bean silo device 3 is used for storing coffee beans and is positioned right above the grinding device 4.
The grinding device 4 is characterized by comprising a grinding motor gear 24, a grinding stepping motor 25, a transmission cover 26, a grinding outer gear ring 28, a shell seat 29, a central shaft 27, a limiting spring 30, an outer cutter head 31, a conical cutter head 32 and an adjusting nut 33; grinding motor gear 24 passes through the key-type connection with grinding step motor 25 axle, and with grind outer ring gear 28 meshing, the top of transmission lid 26 is just to the export of beans storehouse device 3, its lower extreme and the outer ring gear 28 fixed connection of grinding, center pin 27 upper end and transmission lid 26 fixed connection, middle and awl cutter head 32 pass through the key-type connection, and the lower extreme passes through threaded connection with adjusting nut 33, awl cutter head 32 is the toper structure, forms the grinding space with outer cutter head 31, outer cutter head 31 and 29 bottom fixed connection of shell base, shell base 29 and 6 fixed connection of backplate, spacing spring 30 is installed between shell base 29 and awl cutter head 32, adjusting nut 33's pretightning force acts on awl cutter head 32 to make spacing spring 30 compress tightly, restricted awl cutter head 32's longitudinal movement, simultaneously, can change the coarse fineness of grinding space size in order to adjust coffee beans grinding through rotatory adjusting nut 33, the coffee with different tastes is made, and the adjusting nut 33 can be screwed out from the central shaft 27, so that the central shaft 27 and the conical cutter head 32 are detached for cleaning.
The filter cup conveying device is characterized in that the filter cup conveying device 5 comprises a stepping motor 39, a belt wheel 41, a V-shaped belt 40, a screw rod 35, a sliding block 42, a tray 34, a tray fixing frame 37, a filter cup 43, a left limit sensor 36 and a right limit sensor 38, the V-shaped belt 40 is matched with the belt wheel 41, the input end of the V-shaped belt 40 is connected with the stepping motor 39 through a key, the output end of the V-shaped belt 40 is connected with the screw rod 35 through a bearing, the sliding block 42 is installed on the screw rod 35, the screw rod 35 rotates, the sliding block 42 moves horizontally, one end of the tray fixing frame 37 is fixed on the sliding block 42, the other end of the tray fixing frame 37 is connected with the tray 34 through a bolt, the tray 34 carries the filter cup 43 to reciprocate along with the sliding block 42, the water injection and powder injection work.
The coffee brewing device is characterized in that the control device 7 comprises a heat preservation disc 44, a single chip microcomputer 46, a touch screen 50, a starting button 45, a stopping button 47, an automatic button 48 and a manual button 49, the heat preservation disc 44 is mounted on a bottom plate 51 to realize heat preservation of a cup body and avoid influence of coffee liquid temperature reduction on taste, the touch screen 50 is used for setting parameters such as brewing time and liquid heating time, the starting button 45 is combined with the automatic button 48 to realize an automatic operation mode, the single chip microcomputer 46 receives signals input by the touch screen 50, calculates the liquid heating time and the coffee brewing time, presses the stopping button 47 to finish coffee brewing, the starting button 45 is combined with the manual button 49 to realize single-step operation, and the coffee brewing function is finished by pressing the manual button 49 once.
Considering the different rotation numbers and the different time periods required for grinding coffee beans of different particle sizes and different roasting depths, the rotation speed of the grinding stepper motor 25 is 60r/min, the number of teeth 56 of the grinding external gear ring 28 and the number of teeth 20 of the grinding motor gear 24.
In consideration of the stability and uniformity of the water injection process, the rotating speed of the water injection stepping motor 18 is 20 r/min.
The full-automatic coffee machine with the novel water injection and grinding functions has the appearance dimensions of 360mm, 300mm and 510mm in length, width and height, the volume of the water kettle is 2L, and the quantity of coffee brewed once is 400 ml.
When the coffee bean grinder is used, firstly, the liquid heating temperature and the grinding time are set on the touch screen 50, and then the grinding space is adjusted by rotating the adjusting nut according to the required grinding thickness of coffee beans; after the setting is finished, a starting button 45 and an automatic button 48 are pressed, PTC ceramic heating sheets in a water storage device start to heat liquid, a stepping motor in a conveying device rotates forwards, a screw rod rotates forwards, coffee beans fall into a grinding device from a bean bin device after a right limit sensor detects that a filter cup reaches a right limit, the coffee beans fall into a cone cutter from the upper part of a transmission cover, the grinding stepping motor is matched with a grinding outer gear ring through a grinding motor gear to drive the transmission cover to rotate, the transmission cover transmits power to the cone cutter through a central shaft to drive the cone cutter to rotate, the cone cutter and the outer cutter generate relative motion, the coffee beans are ground, and coffee powder falls into the filter cup; when the grinding time is up, the stepping motor rotates reversely, the screw rotates reversely, the left limit sensor detects that the filter bowl reaches the left limit and the temperature of the liquid in the water storage device reaches the set temperature, the water injection stepping motor 18 starts to work, the water injection motor gear 17 drives the water injection outer gear ring 22, the water injection outer disc 21 and the water injection inner disc 19 to rotate, the water injection outer disc 21 and the water injection inner disc 19 are eccentrically matched, liquid flowing into the water injection inner disc 19 from the water inlet 20 flows into the filter cup 43 through the water outlet 23 to be brewed with coffee powder, brewed coffee products flow into a cup placed on the bottom plate through the filter cup, the heat preservation disc on the bottom plate realizes heat preservation of the cup body, the coffee liquid is prevented from being cooled to influence taste, the stop button is pressed to finish the whole work, the start button and the manual button are pressed to realize single-step operation, and the manual button 49 is pressed once to finish the coffee brewing function.
Claims (5)
1. A full-automatic coffee machine with novel water injection and grinding functions comprises a water storage device (1), a water injection device (2), a bean bin device (3), a grinding device (4), a filter cup conveying device (5) and a control device (7);
the water storage device (1) comprises a kettle (8), a limiting frame (9), a water baffle (10), a temperature sensor (11), a PTC ceramic heating sheet (12), a push rod (13) and a magnetic flux push-pull valve (14); the limiting frame (9) and the water baffle (10) are positioned at the bottom of the kettle (8), the limiting frame (9) is fixedly arranged above the water baffle (10) to limit the movement range of a push rod (13) of the magnetic flux push-pull valve (14), the water baffle (10) is made of rubber, the water baffle (10) is fixedly connected with the push rod (13) of the magnetic flux push-pull valve (14), the PTC ceramic heating sheet (12) is fixedly arranged on the side surface of the kettle (8) to heat liquid in the kettle (8), the temperature sensor (11) detects the temperature of the liquid, the temperature of the liquid reaches a set temperature, the push rod (13) of the magnetic flux push-pull valve (14) pushes the water baffle (10) to move upwards, so that the water baffle (10) moves upwards to the bottom position of the limiting frame (9), the sealing effect of the rubber disappears, and the liquid flows out from a gap between the water baffle (10) and the bottom of the kettle (8), flows into the water injection device (2) through the water receiving container (15);
the water injection device (2) comprises a water receiving container (15), a flowmeter (16), a water injection motor gear (17), a water injection stepping motor (18), an inner water injection disc (19), a water inlet (20), an outer water injection disc (21), an outer water injection gear ring (22) and a water outlet (23); the water receiving container (15) is positioned under the kettle (8), the flowmeter (16) is installed on the side surface of the water receiving container (15), the water injection motor gear (17) is in key connection with the water injection stepping motor (18) and is meshed with the water injection outer gear ring (22), the water injection outer disc (21) is in threaded connection with the water injection outer gear ring (22), and the water injection inner disc (19) is a container with a water outlet (23) at the bottom;
the bean bin device (3) is used for storing coffee beans and is positioned right above the grinding device (4);
the grinding device (4) comprises a grinding motor gear (24), a grinding stepping motor (25), a transmission cover (26), a central shaft (27), a grinding outer gear ring (28), a shell seat (29), a limiting spring (30), an outer cutter head (31), a cone cutter head (32) and an adjusting nut (33); grinding motor gear (24) and grinding step motor (25) axle pass through the key-type connection, and with grind outer ring gear (28) meshing, the top of transmission lid (26) is just to the export of beans storehouse device (3), its lower extreme and grinding outer ring gear (28) fixed connection, center pin (27) upper end and transmission lid (26) fixed connection, the centre passes through the key-type connection with awl blade disc (32), and the lower extreme passes through threaded connection with adjusting nut (33), awl blade disc (32) are the toper structure, form the grinding space with outer blade disc (31), outer blade disc (31) and shell base (29) bottom fixed connection, shell base (29) and backplate (6) fixed connection, limit spring (30) are installed between shell base (29) and awl blade disc (32), the pretightning force of adjusting nut (33) acts on awl blade disc (32) to make limit spring (30) compress tightly, the longitudinal movement of the conical cutter head (32) is limited, meanwhile, the grinding space can be changed by rotating the adjusting nut (33) to adjust the grinding thickness of coffee beans, so that coffee with different tastes can be made, the adjusting nut (33) can be screwed out from the central shaft (27) downwards, the central shaft (27) and the conical cutter head (32) are detached, and the cleaning is convenient;
the filter cup conveying device (5) comprises a stepping motor (39), a V-shaped belt (40), a belt wheel (41), a screw rod (35), a sliding block (42), a tray (34), a tray fixing frame (37), a filter cup (43), a left limit sensor (36) and a right limit sensor (38); the V-shaped belt (40) is matched with a belt wheel (41), the input end of the V-shaped belt is connected with a stepping motor (39) through a key, the output end of the V-shaped belt is connected with a screw rod (35) through a bearing, a sliding block (42) is installed on the screw rod (35), the screw rod (35) rotates, the sliding block (42) moves in the horizontal direction, one end of a tray fixing frame (37) is fixed on the sliding block (42), the other end of the tray fixing frame is connected with a tray (34) through a bolt, the tray (34) carries a filter cup (43) to reciprocate along with the sliding block (42) to complete the work of water injection and powder injection, and a left limit sensor (36) and a right limit sensor (38) are installed on a back plate (6) and used;
the control device (7) comprises a heat preservation plate (44), a single chip microcomputer (46), a touch screen (50), a starting button (45), a stopping button (47), an automatic button (48) and a manual button (49); the heat preservation plate (44) is arranged on the bottom plate (51) to realize heat preservation of the cup body and avoid influence on taste due to temperature reduction of coffee liquid, the touch screen (50) is used for setting parameters such as brewing time and liquid heating time, the starting button (45) is combined with the automatic button (48) to realize an automatic operation mode, the single chip microcomputer (46) receives signals input by the touch screen (50), calculates the liquid heating time and the coffee brewing time, presses the stopping button (47) to finish brewing of coffee, the starting button (45) is combined with the manual button (49) to realize single-step operation, and the manual button (49) is pressed once to finish a coffee brewing function.
2. The coffee machine with water injection and grinding functions as claimed in claim 1, wherein the inner water injection disc (19) is eccentrically engaged with the outer water injection disc (21), the water injection stepper motor (18) drives the outer water injection gear ring (22), the outer water injection disc (21) and the inner water injection disc (19) to rotate through the water injection motor gear (17), the liquid flowing into the inner water injection disc (19) from the water inlet (20) flows into the filter cup (43) through the water outlet (23) according to a certain track, and the inner water injection disc (19) can rotate relative to the outer water injection disc (21) in a manually adjustable manner to realize water injection with different tracks within a certain range.
3. The fully automatic coffee machine with novel water injection and grinding functions as claimed in claim 1, characterized in that the grinding stepper motor (25) has a rotation speed of 60r/min, the grinding external gear ring (28) has a number of teeth of 56, and the grinding motor gear (24) has a number of teeth of 20.
4. The fully automatic coffee machine with novel water injection and grinding functions as claimed in claim 1, characterized in that the water injection stepping motor (18) has a rotation speed of 20 r/min.
5. The full-automatic coffee machine with novel water injection and grinding functions as claimed in claim 1, is characterized in that the dimension of the appearance is 360mm x 300mm x 510mm in length x width x height, the volume of the kettle (8) is 2L, and the quantity of the coffee brewed at one time is 400 ml.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110288337.7A CN112754285A (en) | 2021-03-18 | 2021-03-18 | Full-automatic coffee machine with novel water injection, grinding function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110288337.7A CN112754285A (en) | 2021-03-18 | 2021-03-18 | Full-automatic coffee machine with novel water injection, grinding function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112754285A true CN112754285A (en) | 2021-05-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110288337.7A Pending CN112754285A (en) | 2021-03-18 | 2021-03-18 | Full-automatic coffee machine with novel water injection, grinding function |
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| CN (1) | CN112754285A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113531189A (en) * | 2021-08-03 | 2021-10-22 | 丹顶鹤智能科技(江苏)有限公司 | Needle valve water route with automatically regulated discharge size |
| CN114052502A (en) * | 2021-12-22 | 2022-02-18 | 云南云磐科技有限公司 | Full-automatic intelligent device for manually making coffee and working method thereof |
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2021
- 2021-03-18 CN CN202110288337.7A patent/CN112754285A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113531189A (en) * | 2021-08-03 | 2021-10-22 | 丹顶鹤智能科技(江苏)有限公司 | Needle valve water route with automatically regulated discharge size |
| CN114052502A (en) * | 2021-12-22 | 2022-02-18 | 云南云磐科技有限公司 | Full-automatic intelligent device for manually making coffee and working method thereof |
| CN114052502B (en) * | 2021-12-22 | 2023-11-24 | 云南云磐科技有限公司 | Full-automatic intelligent device for manually brewing coffee and working method thereof |
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