CN112120534A

CN112120534A - Full-automatic coffee bean grinder

Info

Publication number: CN112120534A
Application number: CN202011001240.5A
Authority: CN
Inventors: 李昆娟
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-09-22
Filing date: 2020-09-22
Publication date: 2020-12-25

Abstract

The invention discloses a full-automatic coffee bean grinder, which belongs to the technical field of small household appliances and comprises a shell, wherein a grinding component, a brewing component, a filtering part, a cleaning component, an air pump and a water tank are arranged in the shell; the water tank can supply water to the brewing assembly and the cleaning assembly; the filtering part comprises a filtering cup; the cleaning component comprises a cleaning shell, a water spraying plate, a dirt containing drawer and a cleaning wheel; the rotating shaft of the cleaning wheel is parallel to the rotating shaft of the filter cup and is positioned on the same longitudinal plane; the coffee bean storage device has a coffee bean storage function, and a low-pressure and low-oxygen environment can be formed in the charging barrel; the automatic feeding device has an automatic feeding function, and can automatically add coffee beans into the grinding hopper according to the coffee demand; possess the clean function of filter bowl, can self-cleaning filter bowl. The invention mostly adopts an automatic process, and the functions of grinding coffee, making coffee, cleaning and the like are automatically completed through the selection function of the touch panel.

Description

Full-automatic coffee bean grinder

Technical Field

The invention relates to the technical field of small household appliances, in particular to a full-automatic coffee bean grinder.

Background

Chinese patent document No. CN104586257B discloses a coffee machine, which includes a housing 1, a grinding device 2, a brewing device 3, a constant temperature coffee storage tank 4, a water storage heating tank 5, a rotating device 6, a finished coffee outlet 7, a water inlet 8, a coffee bean inlet 9, wherein the water inlet 8 is respectively communicated with the brewing device 3 and the water storage heating tank 5, the coffee bean inlet 9 is communicated with the grinding device 2, the outlet of the grinding device 2 is communicated with the brewing device 3, the outlet of the brewing device 3 is communicated with the constant temperature coffee storage tank 4, the constant temperature coffee storage tank 4 is communicated with the finished coffee outlet 7, and the rotating device 6 drives the grinding device 2 to rotate. The coffee machine provided by the invention is composed of heavy components, the brewing device, the grinding device and the cup warmer which are assembled by detachable components, and the connection structure among the components is simple, so that the coffee machine can be detached independently and cleaned. The grinding device is a multi-layer blade which can grind coffee beans more thoroughly. The brewing device adopts double-layer filtering, so that the coffee powder can be brewed more fully.

Although above-mentioned patent can dash coffee, the filter screen is located inside the product, and the filter screen often can filter more insoluble impurity moreover, and unclean the filter screen, impurity can influence the filter effect of filter screen, and is long-term, still can arouse inside mouldy or rotten, but cleaning process need dismantle the filter screen, and the step is complicated, and the operation is inconvenient.

Disclosure of Invention

The technical problem to be solved by the invention is as follows: aiming at the defects in the prior art, the coffee machine with the functions of automatically cleaning the filter screen and the filter cup is provided.

In order to realize the purpose of the invention, the following technical scheme is adopted for realizing the purpose: a full-automatic coffee bean grinder comprises a shell, wherein a grinding assembly is arranged in the shell; a brewing assembly is arranged in the shell and positioned at the lower part of the grinding assembly; a filtering part is arranged in the shell and is positioned right below the brewing component; a cleaning component for cleaning the filtering part is arranged in the shell and is positioned right below the filtering part; a water tank is fixedly connected with the rear part of the cleaning component in the shell; an air pump capable of supplying water to the outside from the water tank is fixedly connected in the shell. The filtering part comprises a filtering cup which is rotatably connected in the shell and is positioned in the rotating shaft under the brewing component and is horizontally arranged. The cleaning assembly comprises a cleaning shell longitudinally connected in the shell in a sliding manner, a water spraying plate fixedly connected in the cleaning shell and used for cleaning the filter cup, a dirt containing drawer transversely connected in the cleaning shell in a sliding manner, and two cleaning wheels which are horizontally arranged on a rotating shaft rotatably connected in the dirt containing drawer and driven by the water spraying plate; the rotating shaft of the cleaning wheel is parallel to the rotating shaft of the filter cup and is positioned on the same longitudinal plane; when the cleaning shell is located at the upper limit position, the cleaning wheel and the filter cup are coaxial and are clamped with each other.

As a preferable scheme: two clamping blocks are symmetrically formed in the middle of the side wall of the filtering cup; the two clamping blocks and the filter cup are in the same rotating shaft; the filter part also comprises two stop plates which are longitudinally connected in the shell in a sliding way; and a clamping stop groove which can be clamped with the corresponding clamping block is formed at the lower end of each stop plate. One side of each cleaning wheel, which faces the center of the cleaning shell, is respectively provided with an upward pushing block which can enable the stop plate to move upwards; each the push-up piece orientation one side at clean shell center respectively the shaping have can with correspond the joint drive groove of joint piece joint. When the cleaning shell is located at the lower end limit position, the clamping blocks are respectively only clamped with the corresponding clamping stop grooves, and the filter cup cannot rotate. When clean shell is located the upper end extreme position, the joint piece with joint locking groove separation, each the joint piece only with correspond respectively joint drive groove joint, clean wheel can drive the filter bowl rotates. The cleaning assembly further comprises a cleaning motor fixedly connected in the shell and capable of driving the cleaning shell to slide longitudinally.

As a preferable scheme: each cleaning wheel is longitudinally and slidably connected in the dirt containing drawer, and a clamping groove is formed in one side, away from the center of the cleaning shell, of each cleaning wheel; the dirt containing drawer is provided with clamping grooves which are clamped with the clamping grooves to prevent the cleaning wheels from rotating. The center of one side of the clamping block, which is far away from the filter cup, is fixedly connected with a permanent magnet a; and a permanent magnet b capable of being magnetically attracted with the permanent magnet a is fixedly connected to the center in the clamping driving groove. When the cleaning shell is located at the lower end limit position, the clamping heads are respectively clamped with the clamping grooves, and the cleaning wheel cannot rotate; when the cleaning shell is located at the upper end limit position, the permanent magnets a respectively magnetically attract the permanent magnets b, the clamping heads are respectively separated from the clamping grooves, and the cleaning wheel and the filter cup can coaxially rotate.

As a preferable scheme: the cleaning assembly also comprises two cleaning baffles which are transversely connected in a sliding manner in the cleaning shell and are positioned right above the dirt containing drawer; the upper end of the cleaning shell is positioned under the filter cup, and a water falling port which can be communicated with the dirt containing drawer is formed. When the cleaning shell is located at the lower end limit position, the cleaning baffle abuts against the cleaning shell to enable the water falling port to be closed. Two guide grooves which are horizontally arranged are formed in one side, facing the shell, of the cleaning shell; two symmetrically arranged guide rails are formed on one side, facing the cleaning shell, of the shell; the distance between the upper ends of the two guide rails is larger than that between the lower ends of the two guide rails; and sliding columns which are simultaneously connected with the sliding grooves and the guide rails in a sliding mode are formed on the cleaning baffle plates respectively. When the cleaning shell slides upwards to the upper end limit position, the sliding column slides along the guide groove and the guide rail simultaneously, so that the cleaning baffle moves back to back, and the water falling port is opened.

As a preferable scheme: a feeding assembly for feeding the grinding assembly is arranged in the shell; the feeding assembly comprises a charging barrel fixedly connected with the rear part of the grinding assembly in the shell, a material bearing plate in the charging barrel in a sealing threaded connection mode, a material discharging cover in the upper end of the charging barrel in a sealing and rotating connection mode, and an inserting pipe in the central position in the charging barrel and used for driving the material bearing plate and the material discharging cover to rotate. An upper air exhaust opening communicated with the insertion pipe is formed in the charging barrel on the outer wall of the insertion pipe close to the upper end of the insertion pipe; the insertion pipe is communicated with an air inlet of the air pump. When the air pump is working, a coffee bean storage environment of low pressure and low oxygen can be formed in the cartridge.

As a preferable scheme: a discharge hole communicated with the interior of the charging barrel is formed in the outer wall of the discharge cover; an elastic separation blade capable of sealing the discharge hole is fixedly connected to the outer wall of the discharge cover; in an initial state; the elastic baffle plate enables the discharge hole to be sealed. A spiral driving sheet is formed at the lower end of the discharging cover; when the insertion pipe rotates, the coffee beans which are abutted against the spiral driving sheet can be extruded out of the discharge port under the rotating guide of the spiral driving sheet, and meanwhile, the material bearing plate moves upwards along the charging barrel under the screw thread guide effect. An annular blanking slope is formed at the upper part of the outer wall of the charging barrel; when coffee beans are extruded from the discharge port, the coffee beans can fall along the blanking slope into the grinding assembly. The feeding assembly further comprises a feeding motor which is fixedly connected in the shell and can drive the insertion pipe to rotate.

As a preferable scheme: a pressure release valve communicated with the charging barrel in a one-way mode is arranged at the upper end of the discharging cover; the water tank is communicated with the air outlet of the air pump. When the air pump starts to work, the air in the charging barrel is pumped into the water tank, so that the water tank supplies water to the flushing head. When the air pressure in the material cylinder is lower than a set value, external air enters the material cylinder through the pressure release valve.

As a preferable scheme: a material distribution conical head is formed at the central position of the bottom in the filter cup and is positioned under the grinding assembly; the grinding assembly falls into the coffee powder of the filter cup and is uniformly dispersed to the bottom in the filter cup under the guiding action of the material distributing conical head.

As a preferable scheme: the brewing component comprises a mixing frame fixedly connected with the shell and a water wheel longitudinally arranged on a rotating shaft rotatably connected in the mixing frame; a water wheel bin which is in sealed rotary connection with the water wheel is formed in the mixing frame; and a flushing channel which can be communicated with the water tank is formed in the water wheel bin. A plurality of driving blades are uniformly formed at the upper end of the water wheel along the circumferential direction; the water flushed from the flushing channel can drive the driving blade to enable the water wheel to rotate; and an eccentrically arranged flushing head for adding water to the filter cup is formed at the lower end of the impeller.

As a preferable scheme: the grinding assembly includes an annular electronic scale fixedly attached within the housing for weighing coffee beans entering the grinding assembly.

Compared with the prior art, the invention has the beneficial effects that: according to the coffee bean storage device, the elastic blocking piece is arranged, when coffee beans are stored, the elastic blocking piece is tightly abutted with the outer wall of the discharging cover in a sealing manner, so that the discharging hole is sealed, air in the charging barrel can be pumped out, a low-pressure and low-oxygen environment is formed in the charging barrel, and the storage of the coffee beans is facilitated; when coffee is brewed, the coffee beans in the material cylinder can move outwards under the driving of the spiral driving piece, then the elastic blocking piece is extruded, the elastic blocking piece is elastically deformed, and the coffee beans are extruded out from the discharge hole, so that the purpose of automatic feeding is achieved.

According to the invention, the water wheel is arranged, water flowing into the water wheel bin can downwards wash the filter screen or brew coffee through the water flushing head, meanwhile, the water flowing into the water wheel bin can drive the water wheel to rotate through the driving blade, so that the eccentrically arranged water flushing head circumferentially rotates right above the filter screen, the filter screen is uniformly washed or coffee powder is completely brewed and uniformly mixed, the coffee powder cannot be agglomerated due to the rotating water, and the dispersed coffee powder can be brewed with hot water.

According to the coffee brewing and filtering cup, the clamping block is arranged, so that when the clamping block is clamped with the clamping stop groove, the filtering cup is relatively fixed, and coffee can be brewed and filtered; when joint piece and joint drive groove joint, the rotation of cleaning wheel can drive the filter cup and rotate, can clean the filter cup.

The air pump can pump out the air in the cylinder, so that the cylinder is kept in a low-pressure and low-oxygen state, and the storage time of the coffee beans can be prolonged; meanwhile, the air pump can inflate the water tank, so that water in the water tank flows out of the water outlet pipe and is used for making coffee and cleaning the filter cup.

According to the coffee bean discharging device, the feeding motor is controlled to rotate, so that the inserting pipe drives the discharging cover to rotate, coffee beans are extruded out of the discharging hole, meanwhile, the inserting pipe can drive the material bearing plate to gradually move upwards, the space between the material bearing plate and the discharging cover is reduced, and the volume of air extracted each time can be reduced.

The coffee bean storage device has the coffee bean storage function, and a low-pressure and low-oxygen environment can be formed in the charging barrel, so that the storage time of coffee beans is prolonged; the automatic feeding device has an automatic feeding function, and can automatically add coffee beans into the grinding hopper according to the coffee demand; the coffee cup cleaning device has the function of cleaning the filter cup, and can automatically clean the filter cup, so that coffee powder or undissolved solid attached to the inner wall and the outer wall of the filter cup or a filter screen is washed away by water, and the filter screen can filter smoothly all the time. The invention mostly adopts an automatic process, and the functions of grinding coffee, making coffee, cleaning and the like are automatically completed through the selection function of the touch panel.

Drawings

Fig. 1 is a schematic structural view of the present invention.

Fig. 2 is a schematic cross-sectional structure of the present invention.

Fig. 3 is a schematic exploded view of the present invention.

Fig. 4 is a schematic structural view of the housing of the present invention.

Fig. 5 is a sectional structural view of the housing of the present invention.

Fig. 6 is a schematic sectional structure view of the filter unit of the present invention.

Fig. 7 is a schematic structural view of the water spray plate of the present invention.

Figure 8 is an exploded view of the cleaning assembly of the present invention.

Fig. 9 is a schematic view of an exploded structure of the feed assembly of the present invention.

Fig. 10 is a schematic structural view of the discharge cover of the present invention.

Fig. 11 is a schematic structural view of the mixing rack of the present invention.

Figure 12 is an exploded view of the abrasive assembly of the present invention.

Figure 13 is an exploded view of the brewing assembly of the present invention.

Fig. 14 is a schematic view of the coffee brewing operation of the present invention.

FIG. 15 is a schematic structural view showing the operation state of the clean filter cup according to the present invention.

FIG. 16 is a schematic view of the structure of storing and feeding coffee beans according to the present invention.

10. A housing; 101. a liquid outlet area; 1011. a liquid outlet; 1012. water passing holes a; 1013. a through groove; 1014. a guide rail; 102. a water tank area; 103. a feeding zone; 1031. a material passing notch; 104. grinding the brewing area; 105. a touch screen; 106. mounting a plate; 1061. a sliding groove; 1062. rotating the hole; 11. an upper cover; 12. a mounting frame; 2. a supply assembly; 21. a charging barrel; 211. an internal thread; 212. a blanking slope; 22. a material bearing plate; 221. an external thread; 222. a slide through hole; 23. a discharging cover; 231. a plug bush; 232. a discharge port; 233. a vent; 234. a screw driving piece; 24. inserting a pipe; 241. a feeding gear a; 242. an upper air extraction opening; 25. an elastic baffle plate; 26. a pressure relief valve; 27. sealing the rotating seat; 271. a lower air extraction opening; 272. sealing the rotating tube; 28. a feeding motor; 281. a feeding gear b; 3. a brewing assembly; 31. a mixing frame; 311. a water wheel bin; 312. a flushing channel; 313. grinding the motor mounting rack; 314. a material passing filling plate; 32. a sealing cover; 33. a water wheel; 331. a driving blade; 332. a water flushing head; 4. a grinding assembly; 41. a grinding hopper; 411. a coffee powder dropping pipe; 42. a grinding head; 43. an annular electronic scale; 44. grinding the motor; 5. a filtering part; 51. a filter cup; 511. a filter screen; 512. a material-distributing conical head; 513. a rotating seat; 5131. a clamping block; 5132. a permanent magnet a; 52. a stopper plate; 521. a sliding head; 522. clamping the stop groove; 6. a cleaning assembly; 61. cleaning the shell; 611. a water falling port; 612. a guide groove; 613. a screw rod rotating seat; 62. a dirt holding drawer; 621. a rotating groove; 622. clamping a head; 623. a handle; 63. cleaning the baffle; 631. a sliding post; 64. a cleaning wheel; 641. rotating the column; 6411. a card slot; 642. pushing up the block; 6421. clamping the driving groove; 6422. a permanent magnet b; 643. a flushing plate; 65. a water spray plate; 651. water passing holes b; 652. cleaning the spray head; 653. driving the spray head; 66. a screw rod; 661. a synchronizing wheel; 662. cleaning the gear a; 67. cleaning the motor; 671. cleaning the gear b; 68. a synchronous belt; 70. a water tank; 701. a pressurizing port; 71. a water injection rubber plug; 72. a water outlet pipe; 81. an air pump; 82. a three-way electromagnetic valve; 83. namely a hot water heater.

Detailed Description

Referring to fig. 1 to 16, the fully automatic coffee bean grinder of the present embodiment includes a housing 10, a grinding assembly 4 is installed in the housing 10; a brewing assembly 3 is arranged in the shell 10 and positioned at the lower part of the grinding assembly 4; a filtering part 5 is arranged in the shell 10 and is positioned right below the brewing component 3; a cleaning component 6 for cleaning the filter part 5 is arranged in the shell 10 and is positioned right below the filter part 5; a water tank 70 is fixedly connected to the rear part of the cleaning assembly 6 in the shell 10; the water tank 70 is able to supply water to the brewing assembly 3 for brewing coffee; the water tank 70 is capable of supplying water to the cleaning assembly 6 for cleaning the filter portion 5; an air pump 81 capable of supplying water from the water tank 70 to the outside is fixedly connected to the inside of the housing 10. The filtering part 5 comprises a filtering cup 51 which is rotatably connected with a rotating shaft in the shell 10 and is positioned right below the brewing component 3 and is horizontally arranged.

The cleaning assembly 6 comprises a cleaning shell 61 longitudinally connected in the housing 10 in a sliding manner, a water spraying plate 65 fixedly connected in the cleaning shell 61 and used for cleaning the filter cup 51, a dirt containing drawer 62 transversely connected in the cleaning shell 61 in a sliding manner, and two cleaning wheels 64 which are rotatably connected in the dirt containing drawer 62 and are horizontally arranged and driven by the water spraying plate; the rotating shaft of the cleaning wheel is parallel to the rotating shaft of the filter cup and is positioned on the same longitudinal plane; a handle 623 convenient for pulling out the dirt containing drawer 62 is formed on the dirt containing drawer 62; the dirt holding drawer 62 slides in the front-rear direction. When the cleaning shell 61 is in the upper limit position, the cleaning wheel 64 is coaxial with the filter cup 51 and is clamped with the filter cup. The water from the water spray plate 65 can rotate the cleaning wheel 64 to rotate the filter cup 51 and can flush the filter cup 51.

A grinding and conditioning area 104 with an upper end opening for installing the grinding assembly 4 is formed at the upper part in the shell 10; a liquid outlet area 101 with an opening at the front end for receiving coffee is formed at the lower part of the shell 10 below the grinding and brewing area 104; a water tank area 102 for installing a rear end opening of the water tank 70 is formed in the shell 10 behind the liquid outlet area 101; an installation frame 12 for installing the air pump 81 is fixedly connected to the upper portion of the water tank 70 in the water tank area 102. A touch screen 105 is arranged on the outer wall of the shell 10 above the liquid outlet area 101; a control module is fixedly connected in the shell 10; the air pump 81 and the touch screen 105 are electrically connected with the control module.

Two clamping blocks 5131 are symmetrically formed in the middle of the side wall of the filter cup 51; the two clamping blocks 5131 and the filter cup 51 rotate together; the filter part 5 further comprises two stop plates 52 longitudinally slidably connected in the housing 10; a clamping stop groove 522 capable of being clamped with the corresponding clamping block 5131 is formed at the lower end of each stop plate 52. Two rotating seats 513 are symmetrically formed in the middle of the side wall of the filter cup 51; the two rotating seats 513 and the filter cup 51 rotate together; the clamping blocks 5131 are respectively formed on the corresponding rotating bases 513; the top of the liquid outlet area 101 is respectively provided with a mounting plate 106 which is rotatably connected with the rotating base 513; a rotating hole 1062 rotatably connected with the rotating seat 513 is formed at the lower part of one side of the mounting plate 106 facing the filter cup 51.

A sliding groove 1061 is formed in the upper part of one side of the mounting plate 106 facing the filter cup 51; sliding head groups are respectively formed on one side of the stop plate 52 facing the filter cup 51; the sliding head group comprises two sliding heads 521 which are respectively connected in a sliding way in the sliding groove 1061; the sliding head set enables the stopper plate 52 to slide only longitudinally.

A push-up block 642 capable of moving the stopper plate 52 upward is formed on one side of each cleaning wheel 64 facing the center of the cleaning case 61; and a clamping driving groove 6421 which can be clamped with the corresponding clamping block 5131 is formed on one side of each push-up block 642 facing the center of the cleaning shell 61. When the cleaning shell 61 is located at the lower end limit position, each clamping block 5131 is only clamped with the corresponding clamping stop groove 522, and the filter cup 51 cannot rotate. When clean shell 61 is located upper end extreme position, joint piece 5131 with joint locking groove 522 separation, each joint piece 5131 only with correspond respectively joint drive groove 6421 joint, clean wheel 64 can drive filter cup 51 rotates. A driving nozzle 653 and a plurality of cleaning nozzles 652 which are uniformly arranged and used for washing the filter cup 51 are formed on one side of the water spraying plate 65 facing the filter cup 51 and respectively drive each cleaning wheel 64 to rotate; a plurality of flushing plates 643 which can be opposite to the driving spray head 653 are uniformly formed on the outer wall of the cleaning wheel 64; the water sprayed from the driving nozzle 653 drives the flushing plate 643 to move, so that the cleaning wheel 64 rotates; the water spray plate 65 can communicate with the water tank 70.

Two water through holes b651 are formed in one side, away from the filter cup 51, of the water spraying plate 65; a water passing hole a1012 capable of being in sealed communication with the water passing hole b651 is formed in one side, close to the cleaning shell 61, of the liquid outlet area 101; when the cleaning shell 61 is positioned at the lower end limit position, the water passing hole b651 is not communicated with the water passing hole a 1012; when the cleaning case 61 is located at the upper end limit position, the water through hole b651 is in sealed communication with the water through hole a 1012.

The cleaning assembly 6 further comprises a cleaning motor 67 fixedly connected in the housing 10 and capable of driving the cleaning shell 61 to slide longitudinally. The cleaning assembly 6 further comprises two screw rods 66 which are rotatably connected in the shell 10 and are longitudinally arranged on rotating shafts respectively in threaded connection with the cleaning shell 61; screw rod rotating seats 613 which can be in transmission connection with the corresponding screw rods 66 are respectively formed on one side of the cleaning shell 61 facing the two screw rods 66; the lower ends of the two screw rods 66 are respectively and fixedly connected with a synchronizing wheel 661; the two synchronizing wheels 661 are in transmission connection by a synchronous belt 68 to enable the two screw rods 66 to rotate synchronously; a cleaning gear a662 is fixedly connected to the lower end of one screw rod 66; a cleaning gear b671 in transmission connection with the cleaning gear a662 is fixedly connected to an output shaft of the cleaning motor 67; the cleaning motor 67 is electrically connected to the control module. Each cleaning wheel 64 is longitudinally and slidably connected in the dirt containing drawer 62, and a clamping groove 6411 is formed on one side, away from the center of the cleaning shell 61, of each cleaning wheel 64; and clamping heads 622 which can be clamped with the clamping grooves 6411 to further prevent the cleaning wheels 64 from rotating are respectively formed on the dirt containing drawer 62 and are positioned under the rotating shafts of the cleaning wheels 64. A rotating column 641 is formed on one side of the cleaning wheel 64 far away from the filter cup 51; two inner walls of the dirt containing drawer 62 close to the rotating column 641 are respectively formed with a rotating groove 621 longitudinally slidably connected with the rotating column 641; the rotating column 641 penetrates out of the dirt containing drawer 62; the clamp 622 is located outside the dirt holding drawer 62. A permanent magnet a5132 is fixedly connected to the center of one side of the clamping block 5131 far away from the filter cup 51; a permanent magnet b6422 capable of being magnetically attracted with the permanent magnet a5132 is fixedly connected to the center in the clamping driving groove 6421.

When the cleaning shell 61 is located at the lower end limit position, the clamping heads 622 are respectively clamped with the clamping grooves 6411, and the cleaning wheels 64 cannot rotate; the stop plate 52 enables the opening of the filter cup 51 to face upwards and cannot rotate, the position of the clamping block 5131 is relatively fixed, and when the cleaning shell 61 moves upwards, the clamping block 5131 is convenient to clamp with the clamping driving groove 6421.

When the cleaning shell 61 is located at the upper end limit position, the permanent magnets a5132 respectively magnetically attract the permanent magnets b6422, the chucks 622 are respectively separated from the clamping slots 6411, and the cleaning wheel 64 and the filter cup 51 can coaxially rotate.

The cleaning assembly 6 further comprises two cleaning baffles 63 which are transversely connected in a sliding manner in the cleaning shell 61 and are positioned right above the dirt containing drawer 62; a water falling port 611 which can be communicated with the dirt containing drawer 62 is formed at the upper end of the cleaning shell 61 and is positioned under the filter cup 51.

When the cleaning shell 61 is located at the lower extreme position, the cleaning baffles 63 abut against each other to close the water falling port 611. Two horizontally arranged guide grooves 612 are formed on one side of the cleaning shell 61 facing the shell 10; two symmetrically arranged guide rails 1014 are formed on one side of the housing 10 facing the cleaning shell 61; the distance between the upper ends of the two guide rails 1014 is larger than that between the lower ends; two through grooves 1013 for passing the screw rod rotation seat 613 are symmetrically formed on the side of the housing 10 facing the cleaning shell 61; the cleaning barrier 62 is formed with a sliding post 631 slidably coupled to the sliding groove 612 and the guide rail 1014, respectively.

During the process that the cleaning shell 61 slides upwards to the upper end limit position, the sliding post 631 slides along the guiding groove 612 and the guiding rail 1014 at the same time, so that the cleaning baffle 62 moves back and forth, and the water falling port 611 is opened. The filter cup 51 can penetrate through the water falling port 611 to enter the dirt containing drawer 62, and water cannot be splashed to the outside of a product when flushing and water spraying are carried out.

When the filter cup 51 is automatically cleaned, the control module controls the cleaning motor 67 to rotate in the forward direction, so that the cleaning gear b671 drives the cleaning gear a662 to rotate, and the two screw rods 66 rotate synchronously under the transmission connection of the synchronous belt 68. The two sets of screw rod rotating seats 613 move upward along the screw rod 66 under the rotation of the screw rod 66, and further drive the cleaning shell 61 to slide upward. As the cleaning case 61 slides upward, the sliding post 631 slides along the guide rails 1014, and the distance between the upper ends of the two guide rails 1014 increases, so that the sliding post 631 moves towards both ends along the guide groove 612 under the guiding action of the guide rails 1014, and the water falling port 611 is opened. The cleaning shell 61 continues to move upwards, the push-up block 642 abuts against the stop plate 52 and enables the stop plate 52 to move upwards synchronously with the cleaning shell 61, and then the clamping block 5131 gradually slides out of the clamping stop groove 522 and simultaneously slides into the clamping driving groove 6421. When the cleaning shell 61 moves upwards to the limit position, the filter cup 51 passes through the water falling port 611 and enters the cleaning shell 61, meanwhile, the water passing hole a1012 is in sealed communication with the water passing hole b651, and the permanent magnet a5132 magnetically attracts the permanent magnet b6422, so that the cleaning wheel 64 moves upwards along the rotating groove 621 until the chuck 622 and the clamping groove 6411 are completely separated, and at this time, the clamping block 5131 completely slides out of the clamping stopping groove 522 and slides into the clamping driving groove 6421.

Then the control module controls the water outlet of the three-way solenoid valve B to be opened, and then the control module controls the air pump 81 to pressurize the water tank 70, and the water in the water tank 70 sequentially enters the water spraying plate 65 through the water outlet pipe 72, the three-way solenoid valve 82, the water passing hole a1012 and the water passing hole B651. The water sprayed by the driving nozzle 653 drives the flushing plate 643 to move, so that the cleaning wheel 64 rotates, the clamping driving groove 6421 drives the clamping block 5131 to move, and the filter cup 51 horizontally rotates under the driving of the water. The water sprayed from the cleaning nozzle 652 will flush the filter cup 51, and along with the horizontal rotation of the filter cup 51, the inner and outer walls of the filter cup 51 and the filter screen 511 will be flushed clean, and the flushed sewage will fall down into the drain drawer 62.

After the washing is finished, the control module controls the air pump 81 to stop working, meanwhile, the water outlet B of the three-way electromagnetic valve 82 is closed, the gravity center of the filter cup 51 is located at the position of the filter screen 511, and the gravity center of the filter cup 51 moves to the lower side under the action of gravity, namely, the filter screen 511 moves to the lower side. Then, the cleaning motor 67 rotates reversely, the cleaning shell 61 moves downward, the rotating groove 621 drives the cleaning wheel 64 to move downward synchronously, and then the permanent magnet a5132 is separated from the permanent magnet b6422, the cleaning wheel 64 moves downward under the action of gravity to the clamping groove 6411 to be clamped with the clamping head 622 again, and the stop plate 52 moves downward under the action of gravity to the clamping stop groove 522 to be clamped with the clamping block 5131 again. When the cleaning shell 61 moves downward to the initial position, the cleaning baffles 62 move toward each other to close the water falling port 611 again.

A feeding assembly 2 for feeding the grinding assembly 4 is arranged in the shell 10; the feeding component 2 comprises a charging barrel 21 fixedly connected to the rear of the grinding component 4 in the shell 10, a material bearing plate 22 in the charging barrel 21 in a sealing threaded connection mode, a material discharging cover 23 in the charging barrel 21 in a sealing rotary connection mode, and an inserting pipe 24 which is connected to the central position in the charging barrel 21 in a rotary connection mode and used for driving the material bearing plate 22 and the material discharging cover 23 to rotate.

A feeding area 103 with an upper end opening for installing the feeding assembly 2 is formed at the upper part of the shell 10 behind the grinding and brewing area 104; an upper cover 11 for closing the grinding heating zone 104 and the feeding zone 103 is detachably attached to the upper end of the housing 10.

The outer wall of the insertion pipe 24 is of a non-circular structure; a sliding through hole 222 penetrating through the material bearing plate 22 is formed in the center of the upper end of the material bearing plate 22; the sliding through hole 222 is slidably inserted into the insertion tube 24.

The inner wall of the charging barrel 21 is formed with an internal thread 211; and the side wall of the material bearing plate 22 is formed with an external thread 221 in threaded connection with the internal thread 211. An insertion sleeve 231 capable of being in sealed insertion connection with the insertion pipe 24 is formed in the center of the lower end of the discharging cover 23; the discharging cover 23 is detachably connected to the upper end of the charging barrel 21. An upper air suction opening 242 communicated with the insertion pipe 24 is formed in the charging barrel 21 close to the upper end of the outer wall of the insertion pipe 24; the insertion pipe 24 is communicated with an air inlet of the air pump 81.

When the air pump 81 is operated, a low-pressure and low-oxygen coffee bean storage environment can be formed in the cartridge 21.

When coffee beans are stored, the corresponding touch buttons on the touch screen 105 are clicked, the control module controls the air pump 81 to pump air, so that air in the material cylinder 21 sequentially passes through the upper pumping hole 242 and the insertion pipe 24 to be pumped out, a low-pressure and low-oxygen environment is formed in the material cylinder 21, oxygen and water vapor which can cause coffee beans to generate deterioration in the material cylinder 21 are reduced, and the storage time of the coffee beans is prolonged.

A discharge hole 232 communicated with the interior of the charging barrel 21 is formed in the outer wall of the discharge cover 23; the outer wall of the discharging cover 23 is fixedly connected with an elastic baffle 25 capable of sealing the discharging hole 232; in an initial state; the elastic baffle 25 seals the discharge port 232. A spiral driving sheet 234 is formed at the lower end of the discharging cover 23; when the inserting pipe 24 rotates, the coffee beans against the spiral driving piece 234 can be extruded out of the discharge port 232 under the rotating guide of the spiral driving piece 234, and meanwhile, the material bearing plate 22 moves upwards along the charging barrel 21 under the screw thread guide effect.

A sealing rotating seat 27 is fixedly connected to the upper end of the mounting rack 12 under the insertion pipe 24; a sealing rotating pipe 272 which is in sealing and rotating connection with the inserting pipe 24 is formed at the upper end of the sealing rotating seat 27; a lower air suction opening 271 communicated with the inside of the inserting pipe 24 is formed at the lower part of the sealing rotating seat 27; the air inlet of the air pump 81 is communicated with the lower air suction port 271. An annular blanking slope 212 is formed at the upper part of the outer wall of the charging barrel 21; as the coffee beans are extruded from the exit port 232, the coffee beans are able to fall along the drop ramp 212 into the grinding assembly 4. A material passing notch 1031 which can be communicated with the grinding and brewing area 104 is formed at the upper part of the inner wall of the material supply area 103; the blanking slope 212 has only one lowest point, and the lowest point is located at the material passing gap 1031; coffee beans sliding off the falling ramp 212 will enter the grinding assembly 4 through the passing notch 1031.

The feeding assembly 2 further comprises a feeding motor 28 fixedly connected in the housing 10 and capable of driving the insertion tube 24 to rotate. The feed motor 28 is electrically connected with the control module; the feeding motor 28 is fixedly connected to the upper end of the mounting frame 12; a feeding gear b281 is fixedly connected to an output shaft of the feeding motor 28; a feeding gear a241 which is in transmission connection with the feeding gear b281 is fixedly connected to the outer wall of the inserting pipe 24 close to the lower end.

The control module controls the rotation of the feeding motor 28, so that the feeding gear b281 drives the feeding gear a241 to rotate synchronously, and the insertion pipe 24 rotates. The insertion pipe 24 drives the material bearing plate 22 to rotate forward, and the external thread 221 of the material bearing plate 22 slides upwards along the insertion pipe 24 under the guidance of the internal thread 211 of the cartridge 21, so that the coffee beans on the material bearing plate 22 move upwards. During the rotation of the insertion tube 24, the insertion tube 24 will also drive the insertion sleeve 231 to rotate, so that the discharging cover 23 rotates in the forward direction. When the coffee beans on the material bearing plate 22 move upwards to abut against the discharging cover 23, along with the forward rotation of the discharging cover 23, the spiral driving piece 234 stirs the coffee beans to move towards the edge of the discharging hole 232, and then the coffee beans close to the elastic blocking piece 25 elastically deform the elastic blocking piece 25, so that the coffee beans are extruded from the discharging hole 232. And then falls onto the blanking ramp 212 and rolls along the blanking ramp 212 to the material passing notch 1031 under the action of gravity, and then enters the grinding assembly 4.

A pressure release valve 26 communicated with the charging barrel 21 in a one-way mode is arranged at the upper end of the discharging cover 23; a vent 233 which penetrates through the discharging cover 23 and is used for installing the pressure relief valve 26 is formed at the top end of the discharging cover 23; the water tank 70 is communicated with the air outlet of the air pump 81. A water injection rubber plug 71 is detachably and hermetically connected to one side of the water tank 70 facing the outside; the water injection plug 71 is pulled out and water is injected into the water tank 70.

A pressurizing port 701 communicated with the air outlet of the air pump 81 is formed at the upper end of the water tank 70; a water outlet pipe 72 for adding water to the filter cup 51 is fixedly connected to the water tank 70 in a sealing manner; the end of the water outlet pipe 72 positioned in the water tank 70 is close to the bottom of the water tank 70; the water outlet pipe 72 is communicated with the water inlet of the three-way electromagnetic valve 82.

When the air pump 81 starts to operate, the air in the cartridge 21 is drawn into the water tank 70, so that the water tank 70 supplies water to the flushing head 332. When the air pressure in the material cylinder 21 is lower than a set value, external air enters the material cylinder 21 through the pressure relief valve 26. The external air passes through the cartridge 21 and then inflates the water tank 70, forming a low-pressure and low-oxygen storage environment in the cartridge 21 while the pressure is relatively constant and the water tank 70 can supply water to the outside.

A material-separating conical head 512 is formed at the central position of the bottom in the filter cup 51 and is positioned right below the grinding component 4; the coffee powder falling into the filter cup 51 by the grinding assembly 4 is uniformly dispersed to the inner bottom of the filter cup 51 under the guiding action of the material separating conical head 512. A filter screen 511 is arranged at the bottom in the filter cup 51 and below the material separating conical head 512; the filter screen 511 allows the filter cup 51 to only allow liquid to pass through, and undissolved solids will remain on the upper end of the filter screen 511.

The grinding assembly 4 comprises a grinding bucket 41 fixedly connected in the housing 10, a grinding head 42 rotatably connected in the grinding bucket 41 and used for grinding coffee beans, and a grinding motor 44 positioned above the grinding head 42 and used for driving the grinding head 42 to rotate; an output shaft of the grinding motor 44 is fixedly connected with the grinding head 42; the grind motor 44 is electrically connected to the control module. A coffee powder dropping pipe 411 communicated with the interior of the grinding hopper 41 is formed at the lower end of the grinding hopper 41; the coffee powder dropping pipe 411 is positioned right above the material distributing conical head 512; the coffee powder falls from the coffee powder falling pipe 411 and is further uniformly dispersed to the inner bottom of the filter cup 51 under the guiding action of the conical surface of the material separating conical head 512.

The brewing component 3 comprises a mixing frame 31 fixedly connected with the shell 10 and a water wheel 33 longitudinally arranged on a rotating shaft rotatably connected in the mixing frame 31; a water wheel bin 311 which is connected with the water wheel 33 in a sealing and rotating way is formed in the mixing frame 31; a flushing channel 312 which can be communicated with the water tank 70 is formed in the water wheel bin 311. A three-way electromagnetic valve 82 is fixedly connected to the upper end of the mounting frame 12 in the housing 10; the water inlet of the three-way electromagnetic valve 82 is communicated with the water tank 70; the three-way electromagnetic valve 82 is provided with a water outlet A and a water outlet B, and the water outlet B is communicated with the water through hole a 1012; the three-way electromagnetic valve 82 is a three-position three-way electromagnetic valve, and in an initial state, two water outlets of the three-way electromagnetic valve 82 are both closed; the three-way solenoid 82 is electrically connected with the control module.

The flushing channel 312 is communicated with the water outlet A of the three-way electromagnetic valve 82, and an instant water heater 83 for heating water is arranged on a pipeline of the three-way electromagnetic valve 82 communicated with the flushing channel 312; the instant water heater 83 makes the water entering the flushing channel 312 reach the temperature of the brewed coffee, and then flushes the filtering cup 51; the instant water heater 83 is electrically connected to the control module.

A plurality of driving blades 331 are uniformly formed at the upper end of the water wheel 33 along the circumferential direction; the water flushed from the flushing channel 312 can drive the driving vane 331 to rotate the water wheel 33; an eccentrically arranged water flushing head 332 for adding water to the filter cup 51 is formed at the lower end of the impeller 33.

The mixing frame 31 is fixedly connected to the bottom end of the grinding and brewing area 104; the upper end of the water wheel bin 311 is fixedly connected with a sealing cover 32 for sealing the upper end of the water wheel bin 311 in a sealing way; a grinding motor mounting frame 313 for mounting the grinding motor 54 is formed at the upper end of the mixing frame 31; a material passing filling plate 314 is formed at the upper end of the mixing frame 31 close to the material passing notch 1031; the overfill filling plate 314 enables the coffee beans to slide gently into the grinding hopper 51.

The grinding unit 4 comprises an electronic ring scale 43 fixedly attached within the housing 10 for weighing the coffee beans entering the grinding unit 4. The annular electronic scale 43 is positioned outside the grinding hopper 41; the ring-shaped electronic scale 43 is electrically connected with the control module. When the annular electronic scale 43 weighs the coffee beans falling into the grinding hopper 41 enough to grind a cup of coffee, the control module controls the grinding motor 44 to rotate, so that the grinding head 42 rotates, the coffee beans falling into the grinding hopper 41 are ground into coffee powder in the rotation process of the grinding head 42, then fall into the filter cup 51 through the coffee powder falling pipe 411, and the coffee powder is uniformly dispersed to the bottom of the filter cup 51 when falling onto the inclined surface of the material separating conical head 512 right below the coffee powder falling pipe 411.

When the electronic ring scale 43 detects that the weight of the coffee in the grinding hopper 41 is not changed, the control module then controls the water outlet a of the three-way solenoid valve 82 to open, then the control module then controls the air pump 81 and the instant water heater 83 to start working, the air pump 81 generates air to blow into the water tank 70 through the pressurizing port 701, so that the pressure in the water tank 70 is increased, the water in the water tank 70 is discharged outwards through the water outlet pipe 72, flows into the instant water heater 83 through the three-way solenoid valve 82 to be heated to the brewing temperature, then flows into the flushing channel 312 through the water pipe, is sprayed into the water wheel bin 311, drives the driving blade 331 to rotate the water wheel 33, and the hot water in the water wheel bin 331 falls downwards into the filter cup 51 through the eccentrically arranged flushing head 332, meanwhile, the water wheel 33 which rotates continuously enables the hot water flowing out of the water flushing head 332 to be uniformly sprinkled on the bottom of the filter cup 51 to be mixed with the coffee powder, and the fully dissolved coffee flows downwards to the coffee cup through the filter screen 511.

In an initial state, the material bearing plate 22 is located at the lowest end of the material barrel 21, the elastic blocking piece 25 is in sealing and abutting contact with the material discharging cover 23, the clamping stop groove 522 is clamped with the clamping block 5131, the cleaning shell 61 is located at the limit position of the lower end, and the clamping groove 6411 is clamped with the clamping head 622. The water inlet of the three-way electromagnetic valve is communicated with the water outlet pipe 72, the water outlet A is communicated with the mixing frame 31, and the water outlet B is communicated with the water spraying plate 65.

When the coffee bean packaging machine is used, the coffee bean packaging machine is placed on a horizontal plane, the upper cover 11 and the discharging cover 23 are taken down, a proper amount of coffee beans are poured into the material cylinder 21, the inserting sleeve 231 is inserted into the inserting pipe 24, and the discharging cover 23 and the upper cover 11 are covered. The water injection rubber plug 71 is pulled out, a proper amount of water is injected into the water tank 70, the water injection rubber plug 71 is covered again, and the product is electrified.

When the coffee bean storage function of the coffee bean storage device is used, the corresponding touch button on the touch screen 105 is clicked, and the control module controls the air pump 81 to pump air, so that air in the charging barrel 21 is pumped out sequentially through the upper pumping hole 242, the insertion pipe 24, the sealing rotating pipe 272 and the lower pumping hole 271. The low pressure, low oxygen environment formed in the cartridge 21 reduces the amount of oxygen and water vapor that can degrade the coffee beans in the cartridge 21, thereby extending the storage time of the coffee beans.

When the coffee brewing function of the coffee brewing machine is used, the coffee cup is placed under the filter cup 51, the corresponding touch button on the touch screen 105 is clicked according to the concentration and the capacity of the required coffee, the control module controls the feeding motor 28 to rotate, the feeding gear b281 drives the feeding gear a241 to synchronously rotate, and then the insertion pipe 24 rotates. The insertion tube 24 drives the material holding plate 22 to rotate forward, and the external thread 221 of the material holding plate 22 slides upwards along the insertion tube 24 under the guiding action of the internal thread 211 of the cartridge 21, so that the coffee beans on the material holding plate 22 move upwards. During the rotation of the insertion tube 24, the insertion tube 24 will also drive the insertion sleeve 231 to rotate, so that the discharge cover 23 rotates in the forward direction. When the coffee beans on the material bearing plate 22 move upwards to abut against the discharging cover 23, along with the forward rotation of the discharging cover 23, the spiral driving plate 234 stirs the coffee beans to move towards the edge discharging opening 232, and then the coffee beans close to the elastic blocking piece 25 elastically deform the elastic blocking piece 25, so that the coffee beans are extruded from the discharging opening 232. And then falls onto the blanking slope 212, rolls along the blanking slope 212 to the material passing gap 1031 under the action of gravity, passes through the material passing filling plate 314, and falls into the grinding hopper 41. The ring-shaped electronic scale 43 is capable of weighing the coffee beans that fall into the grinding hopper 41, and the control module controls the feed motor 28 to stop rotating when the coffee beans weigh enough to grind a cup of coffee. At this time, the coffee beans located in the discharge port 232 without being extruded will be returned to the cartridge 21 again by the elastic force of the elastic baffle 25, and the elastic baffle 25 seals the discharge port 232.

Then, the control module controls the grinding motor 44 to rotate, so that the grinding head 42 rotates, the coffee beans falling into the grinding hopper 41 are ground into coffee powder in the rotation process of the grinding head 42, and then fall into the filter cup 51 through the coffee powder falling pipe 411, and the coffee powder is uniformly dispersed to the bottom of the filter cup 51 when falling onto the inclined surface of the material separating conical head 512 right below the coffee powder falling pipe 411. When the electronic ring scale 43 detects that the weight of the coffee in the grinding hopper 41 is not changing, the coffee beans added in the grinding hopper 41 are substantially completely ground. The control module then controls the water outlet A of the three-way electromagnetic valve 82 to be opened, then the control module subsequently controls the air pump 81 and the instant water heater 83 to start working, air generated by the air pump 81 is blown into the water tank 70 through the pressurizing port 701, so that the pressure in the water tank 70 is increased, water in the water tank 70 is discharged outwards through the water outlet pipe 72, flows into the instant water heater 83 through the three-way electromagnetic valve 82 to be heated to the brewing temperature, then flows into the water flushing channel 312 through the water pipe, is sprayed into the water wheel bin 311 to drive the driving blades 331, so that the water wheel 33 rotates, hot water in the water wheel bin 331 falls downwards into the filter cup 51 through the eccentrically arranged water flushing head 332, meanwhile, the continuously rotating water wheel 33 enables the hot water flowing out of the water flushing head 332 to be uniformly sprinkled at the bottom of the filter cup 51 to be mixed with coffee powder, and fully dissolved coffee flows downwards through the. After the brewing is finished, the control module controls the air pump 81 and the instant water heater 83 to stop working, and simultaneously controls the water outlet A of the three-way electromagnetic valve 82 to be closed. The air outlet of the air pump 81 is communicated with the pressurizing port 701, the air inlet is communicated with the lower pumping port 271, and the air pump 81 pumps air in the charging barrel 21, so that a low-pressure and low-oxygen environment is formed in the charging barrel 21, and low-pressure and low-oxygen preservation is continuously performed on coffee beans. When the air pressure in the material cylinder 21 is lower than the set value, the pressure relief valve 26 is opened, the outside air enters the material cylinder 21 through the pressure relief valve 26 and continues to pressurize the water tank 70, the pressure in the material cylinder 21 is relatively unchanged, and the water tank 70 can supply water to the outside.

When the cleaning function of the product is used, the corresponding touch button on the touch screen 105 is clicked, the control module controls the cleaning motor 67 to rotate in the forward direction, so that the cleaning gear b671 drives the cleaning gear a662 to rotate, and further the screw rod 66 provided with the cleaning gear a662 rotates synchronously. Synchronizing wheels 661 are installed at the lower ends of the two lead screws 66, and the two synchronizing wheels 661 are connected through a synchronous belt 68 in a transmission mode to enable the two lead screws 66 to rotate synchronously, namely, the cleaning motor 67 drives the two lead screws 66 to rotate synchronously. The two sets of screw rod rotating seats 613 move upward along the screw rod 66 under the rotation of the screw rod 66, and further drive the cleaning shell 61 to slide upward. As the cleaning case 61 slides upward, the sliding post 631 slides along the guide rails 1014, and the distance between the upper ends of the two guide rails 1014 increases, so that the sliding post 631 moves to both ends along the guide groove 612 under the guiding action of the guide rails 1014, and the water falling port 611 is opened. When the cleaning shell 61 continues to move upwards, the push-up block 642 abuts against the stop plate 52 and causes the stop plate 52 to move upwards synchronously with the cleaning shell 61, so that the clamping block 5131 gradually slides out of the clamping stop groove 522 and simultaneously slides into the clamping drive groove 6421. When the cleaning shell 61 moves upwards to the limit position, the filter cup 51 passes through the water falling port 611 and enters the cleaning shell 61, meanwhile, the water passing hole a1012 is in sealed communication with the water passing hole b651, the permanent magnet a5132 magnetically attracts the permanent magnet b6422, so that the cleaning wheel 64 moves upwards along the rotating groove 621 until the chuck 622 and the clamping groove 6411 are completely separated, and at the moment, the clamping block 5131 completely slides out of the clamping stopping groove 522 and slides into the clamping driving groove 6421. Then the control module controls the water outlet of the three-way solenoid valve B to be opened, then the control module controls the air pump 81 to pressurize the water tank 70, and the water in the water tank 70 enters the water spraying plate 65 through the water outlet pipe 72, the three-way solenoid valve 82, the water passing hole a1012 and the water passing hole B651 in sequence. The water sprayed by the driving nozzle 653 drives the flushing plate 643 to move, so that the cleaning wheel 64 rotates, the clamping driving groove 6421 drives the clamping block 5131 to move, and the filter cup 51 horizontally rotates under the driving of the water. The water sprayed from the cleaning nozzle 652 will flush the filter cup 51, and along with the horizontal rotation of the filter cup 51, the inner and outer walls of the filter cup 51 and the filter screen 511 will be flushed clean, and the flushed sewage will fall down into the drain drawer 62. After the washing is finished, the control module controls the air pump 81 to stop working and the water outlet B of the three-way electromagnetic valve 82 to be closed, the gravity center of the filter cup 51 is located at the position of the filter screen 511, and the gravity center of the filter cup 51 moves to the lower side under the action of gravity, namely the filter screen 511 moves to the lower side. Then, the cleaning motor 67 rotates reversely, the cleaning shell 61 moves downwards, the rotating groove 621 drives the cleaning wheel 64 to move downwards synchronously, the permanent magnet a5132 is separated from the permanent magnet b6422, the cleaning wheel 64 moves downwards under the action of gravity until the clamping groove 6411 is clamped with the clamping head 622 again, and the stop plate 52 moves downwards under the action of gravity until the clamping stop groove 522 is clamped with the clamping block 5131 again. When the cleaning shell 61 is moved down to the initial position, the cleaning baffles 62 move toward each other to reclose the water drop port 611. The handle 623 is pulled outwards, the dirt containing drawer 62 is taken out, the sewage in the dirt containing drawer is poured out and is filled back into the dirt containing drawer 62 again, and then the pollution discharging and cleaning process is completed.

According to the coffee bean storage device, the elastic blocking piece 25 is arranged, when coffee beans are stored, the elastic blocking piece 25 is tightly abutted with the outer wall of the discharging cover 23 in a sealing manner, so that the discharging hole 232 is sealed, air in the charging barrel 21 can be pumped out, a low-pressure and low-oxygen environment is formed in the charging barrel, and the storage of the coffee beans is facilitated; when coffee is brewed, the coffee beans in the cylinder 21 can move outwards under the driving of the spiral driving sheet 234, and then the elastic blocking sheet 25 is extruded to be elastically deformed, so that the coffee beans are further extruded from the discharge hole 232, and the purpose of automatic feeding is achieved.

According to the invention, by arranging the water wheel 33, water flowing into the water wheel bin 331 can wash the filter screen 511 or brew coffee downwards through the water flushing head 332, meanwhile, the water flowing into the water wheel bin 331 can drive the water wheel 33 to rotate through the driving blades 331, so that the water flushing head 332 arranged eccentrically rotates on the periphery right above the filter screen 511, the filter screen 511 is uniformly washed or coffee powder is completely and uniformly brewed and mixed, the rotating water enables the coffee powder not to be agglomerated, and the dispersed coffee powder can be brewed with hot water.

According to the coffee brewing and filtering cup, the clamping block 5131 is arranged, so that when the clamping block 5131 is clamped with the clamping stop groove 522, the filter cup 51 is relatively fixed, and coffee can be brewed and filtered; when the clamping block 5131 is clamped with the clamping driving groove 6421, the cleaning wheel 64 rotates to drive the filter cup 51 to rotate, so that the filter cup 51 can be cleaned.

The air pump 81 of the present invention can pump out the air in the cartridge 21 to maintain the low-pressure and low-oxygen state in the cartridge 21, thereby prolonging the storage time of the coffee beans; at the same time, the air pump 81 can inflate the water tank 70 so that the water in the water tank 70 flows out of the outlet pipe 72 for brewing coffee and cleaning the filter cup 51.

According to the coffee bean extruding machine, the feed motor 28 is controlled to rotate, so that the inserting pipe 24 drives the discharging cover 23 to rotate, coffee beans are extruded out of the discharging hole 232, meanwhile, the inserting pipe 24 can drive the material bearing plate 22 to gradually move upwards, the space between the material bearing plate 22 and the discharging cover 23 is reduced, and the volume of air extracted each time can be reduced.

Claims

1. The utility model provides a full-automatic coffee grinds beans machine, including the casing, its characterized in that: a grinding assembly is mounted in the shell; a brewing assembly is arranged in the shell and positioned at the lower part of the grinding assembly; a filtering part is arranged in the shell and is positioned right below the brewing component; a cleaning component for cleaning the filtering part is arranged in the shell and is positioned right below the filtering part; a water tank is fixedly connected with the rear part of the cleaning component in the shell; an air pump capable of supplying water to the outside from the water tank is fixedly connected in the shell; the filtering part comprises a filtering cup which is rotatably connected in the shell and is positioned in the rotating shaft right below the brewing component and is horizontally arranged; the cleaning assembly comprises a cleaning shell longitudinally connected in the shell in a sliding manner, a water spraying plate fixedly connected in the cleaning shell and used for cleaning the filter cup, a dirt containing drawer transversely connected in the cleaning shell in a sliding manner, and two cleaning wheels which are horizontally arranged on a rotating shaft rotatably connected in the dirt containing drawer and driven by the water spraying plate; the rotating shaft of the cleaning wheel is parallel to the rotating shaft of the filter cup and is positioned on the same longitudinal plane; when the cleaning shell is located at the upper limit position, the cleaning wheel and the filter cup are coaxial and are clamped with each other.

2. A fully automatic coffee bean grinder as claimed in claim 1, wherein: two clamping blocks are symmetrically formed in the middle of the side wall of the filtering cup; the two clamping blocks and the filter cup are in the same rotating shaft; the filter part also comprises two stop plates which are longitudinally connected in the shell in a sliding way; a clamping stop groove capable of being clamped with the corresponding clamping block is formed at the lower end of each stop plate; one side of each cleaning wheel, which faces the center of the cleaning shell, is respectively provided with an upward pushing block which can enable the stop plate to move upwards; a clamping driving groove capable of being clamped with the corresponding clamping block is formed in one side, facing the center of the cleaning shell, of each upward pushing block; when the cleaning shell is located at the lower end limit position, each clamping block is only clamped with the corresponding clamping stop groove, and the filter cup cannot rotate; when the cleaning shell is located at the upper end limit position, the clamping blocks are separated from the clamping stop grooves, each clamping block is only clamped with the corresponding clamping driving groove, and the cleaning wheel can drive the filter cup to rotate; the cleaning assembly further comprises a cleaning motor fixedly connected in the shell and capable of driving the cleaning shell to slide longitudinally.

3. A fully automatic coffee bean grinder as claimed in claim 2, wherein: each cleaning wheel is longitudinally and slidably connected in the dirt containing drawer, and a clamping groove is formed in one side, away from the center of the cleaning shell, of each cleaning wheel; clamping heads which can be clamped with the clamping grooves to prevent the cleaning wheels from rotating are respectively formed on the dirt containing drawer under the rotating shaft of the cleaning wheels; the center of one side of the clamping block, which is far away from the filter cup, is fixedly connected with a permanent magnet a; a permanent magnet b capable of being magnetically attracted with the permanent magnet a is fixedly connected to the center in the clamping driving groove; when the cleaning shell is located at the lower end limit position, the clamping heads are respectively clamped with the clamping grooves, and the cleaning wheel cannot rotate; when the cleaning shell is located at the upper end limit position, the permanent magnets a respectively magnetically attract the permanent magnets b, the clamping heads are respectively separated from the clamping grooves, and the cleaning wheel and the filter cup can coaxially rotate.

4. A fully automatic coffee bean grinder as claimed in claim 2, wherein: the cleaning assembly also comprises two cleaning baffles which are transversely connected in a sliding manner in the cleaning shell and are positioned right above the dirt containing drawer; a water falling port which can be communicated with the dirt containing drawer is formed at the upper end of the cleaning shell and is positioned under the filter cup;

when the cleaning shell is positioned at the lower end limit position, the cleaning baffle abuts against the cleaning shell to enable the water falling port to be closed;

two guide grooves which are horizontally arranged are formed in one side, facing the shell, of the cleaning shell; two symmetrically arranged guide rails are formed on one side, facing the cleaning shell, of the shell; the distance between the upper ends of the two guide rails is larger than that between the lower ends of the two guide rails; sliding columns which are simultaneously connected with the sliding grooves and the guide rails in a sliding mode are formed on the cleaning baffle plates;

when the cleaning shell slides upwards to the upper end limit position, the sliding column slides along the guide groove and the guide rail simultaneously, so that the cleaning baffle moves back to back, and the water falling port is opened.

5. A fully automatic coffee bean grinder as claimed in claim 1, wherein: a feeding assembly for feeding the grinding assembly is arranged in the shell; the feeding assembly comprises a charging barrel fixedly connected with the rear part of the grinding assembly in the shell, a material bearing plate in the charging barrel in a sealing threaded connection mode, a material discharging cover in the upper end of the charging barrel in a sealing and rotating mode, and an inserting pipe in the center position in the charging barrel in a rotating mode and used for driving the material bearing plate and the material discharging cover to rotate; an upper air exhaust opening communicated with the insertion pipe is formed in the charging barrel on the outer wall of the insertion pipe close to the upper end of the insertion pipe; the insertion pipe is communicated with an air inlet of the air pump; when the air pump is working, a coffee bean storage environment of low pressure and low oxygen can be formed in the cartridge.

6. A fully automatic coffee bean grinder as claimed in claim 5, characterized in that: a discharge hole communicated with the interior of the charging barrel is formed in the outer wall of the discharge cover; an elastic separation blade capable of sealing the discharge hole is fixedly connected to the outer wall of the discharge cover; in an initial state; the elastic baffle plate enables the discharge hole to be sealed;

a spiral driving sheet is formed at the lower end of the discharging cover; when the insertion pipe rotates, the coffee beans which are abutted against the spiral driving sheet can be extruded from the discharge hole under the rotating guide of the spiral driving sheet, and meanwhile, the material bearing plate moves upwards along the charging barrel under the screw thread guide effect;

an annular blanking slope is formed at the upper part of the outer wall of the charging barrel; when coffee beans are extruded from the discharge port, the coffee beans can fall into the grinding assembly along the blanking slope;

the feeding assembly further comprises a feeding motor which is fixedly connected in the shell and can drive the insertion pipe to rotate.

7. A fully automatic coffee bean grinder as claimed in claim 5, characterized in that: a pressure release valve communicated with the charging barrel in a one-way mode is arranged at the upper end of the discharging cover; the water tank is communicated with an air outlet of the air pump;

when the air pump starts to work, air in the charging barrel is pumped into the water tank, so that the water tank supplies water to the flushing head; when the air pressure in the material cylinder is lower than a set value, external air enters the material cylinder through the pressure release valve.

8. A fully automatic coffee bean grinder as claimed in claim 1, wherein: a material distribution conical head is formed at the central position of the bottom in the filter cup and is positioned under the grinding assembly; the grinding assembly falls into the coffee powder of the filter cup and is uniformly dispersed to the bottom in the filter cup under the guiding action of the material distributing conical head.

9. A fully automatic coffee bean grinder as claimed in claim 1, wherein: the brewing component comprises a mixing frame fixedly connected with the shell and a water wheel longitudinally arranged on a rotating shaft rotatably connected in the mixing frame; a water wheel bin which is in sealed rotary connection with the water wheel is formed in the mixing frame; a flushing channel which can be communicated with the water tank is formed in the water wheel bin;

a plurality of driving blades are uniformly formed at the upper end of the water wheel along the circumferential direction; the water flushed from the flushing channel can drive the driving blade to enable the water wheel to rotate; and an eccentrically arranged flushing head for adding water to the filter cup is formed at the lower end of the impeller.

10. A fully automatic coffee bean grinder as claimed in claim 1, wherein: the grinding assembly includes an annular electronic scale fixedly attached within the housing for weighing coffee beans entering the grinding assembly.