CN112244647B

CN112244647B - Coffee machine

Info

Publication number: CN112244647B
Application number: CN202011064679.2A
Authority: CN
Inventors: 武立攀; 贾金会; 李世乐; 欧智华; 沈立伟; 烟兴兴
Original assignee: Hebei Huijin Group Co ltd
Current assignee: Hebei Huijin Group Co ltd
Priority date: 2020-09-30
Filing date: 2020-09-30
Publication date: 2022-07-26
Anticipated expiration: 2040-09-30
Also published as: CN112244647A

Abstract

The invention provides a coffee machine, which belongs to the technical field of beverage processing equipment and comprises a shell, a grinder, a brewing device, a liquid outlet assembly, a waste barrel, a drip tray and a control system, wherein the shell is provided with a water inlet and a water outlet; the shell is provided with a front opening door, and the top wall of the shell is provided with a charging hole; the grinder is arranged in the shell and used for grinding coffee beans into coffee powder; the brewing device is used for extruding the coffee powder into cakes and brewing to generate coffee liquid; the liquid outlet assembly is connected with the inside of the shell, penetrates through the front opening door and extends out of the shell, and is connected with a coffee outlet of the brewing device; the waste material barrel is connected to the inner bottom wall of the shell in a sliding way along the direction vertical to the front opening door and is used for receiving the slag cake discharged by the brewing device; a fixing frame is arranged on the end wall of the waste bucket facing the front opening door and is connected with the inner wall of the shell through an elastic clamping piece; the drip tray is inserted on the fixed frame; the control system is electrically connected with the grinder and the brewing device respectively. The coffee machine provided by the invention has the advantages of simple structure, convenience in cleaning and stability in operation.

Description

Coffee machine

Technical Field

The invention belongs to the technical field of beverage processing equipment, and particularly relates to a coffee machine.

Background

In recent years, the domestic intelligent selling industry has entered an explosive growth, wherein coffee selling is an important component in the intelligent selling field, and each large coffee selling manufacturer is focusing on the layout of unmanned and intelligent selling markets, so that the market demand of coffee machines is great, the coffee machines are used as equipment for processing direct drinks, the equipment is required to be kept sanitary, so that the frequent cleaning work of coffee cake and coffee waste liquid is required, and the drip tray and the waste barrel of the common coffee machine are mutually independent structures, wherein the drip tray is usually fixedly connected or directly inserted on a water tank fixing frame, the water tank fixing frame is fixed on a coffee machine shell in a magnet adsorption mode, the waste barrel is usually directly detachably connected with a coffee machine base, so that the situation that the drip tray needs to be detached to leave the dismounting space of the waste barrel when the waste barrel is cleaned is determined, the waste barrel can be detached for cleaning, the operation is very complicated, the connection reliability between the water dripping disc and the coffee machine main body is poor through a magnetic attraction fixing mode, the water dripping disc is easy to fall off due to collision when a user uses the coffee machine, and therefore the normal work of the coffee machine is influenced.

Disclosure of Invention

The invention aims to provide a coffee machine, and aims to solve the problems of complex structure, inconvenience in cleaning and poor operation stability of the coffee machine in the prior art.

In order to realize the purpose, the invention adopts the technical scheme that: there is provided a coffee maker comprising:

the shell is provided with a front opening door, and the top wall of the shell is provided with a charging hole;

the grinder is arranged in the shell, a coffee bean inlet of the grinder is vertically aligned with the feed inlet, and the grinder is used for grinding coffee beans into coffee powder;

the brewing device is arranged in the shell and is positioned below the grinder, a coffee powder inlet of the brewing device is vertically aligned with a coffee powder outlet of the grinder, and the brewing device is used for connecting a hot water pipeline and extruding coffee powder into cakes and brewing to generate coffee liquid;

the liquid outlet assembly is connected inside the shell and extends out of the shell through the front opening door, and the liquid outlet assembly is connected with a coffee liquid outlet of the brewing device;

the waste material barrel is connected to the inner bottom wall of the shell in a sliding manner along the direction vertical to the front opening door, is positioned right below the residue discharge port of the brewing device and is used for receiving residue cakes discharged by the brewing device; the end wall of the waste bucket facing the front opening door is provided with a fixing frame, the fixing frame extends to the outside of the shell below the front opening door and is connected with the inner wall of the shell through an elastic clamping piece;

the drip tray is inserted on the fixed frame, is positioned right below the liquid outlet assembly, is used for bearing the coffee cup and is also used for receiving the spilled coffee liquid or waste water;

and the control system is arranged on the front opening door and is electrically connected with the grinder and the brewing device respectively.

As another embodiment of the application, two sides of the fixed frame are respectively provided with a hiding box, and the side wall of the hiding box, facing the waste material barrel, is abutted against the outer wall of the shell, which is positioned below the front opening door; two inner side walls of the shell adjacent to the front opening door are respectively provided with a baffle, the two elastic clamping pieces are respectively arranged in the two hidden boxes and are respectively clamped with the two baffles.

As another embodiment of this application, be equipped with respectively on the relative lateral wall of two hidden boxes and dodge the opening, when the drip tray cartridge was on fixed frame, the opening sheltered from will be dodged to the both sides wall of drip tray, after taking off the drip tray by fixed frame, dodge the opening and expose for make operator's finger stretch into and press the elasticity fastener in hidden box, make the joint end and the baffle of elasticity fastener break away from, thereby make fixed frame and waste bucket roll-off in the lump by the casing.

As another embodiment of the application, the elastic clamping piece comprises a pin shaft, a swing rod and a first elastic piece; the hinge pin is arranged in the hidden box, one end of the hinge pin is connected with the top wall of the hidden box, and the other end of the hinge pin vertically extends downwards and is connected with the bottom wall of the hidden box; the middle part of the swing rod is rotatably sleeved on the pin shaft, one end of the swing rod extends to the outside of the hidden box and is provided with a clamping table, the clamping table is clamped with the baffle, and the other end of the swing rod is aligned with the avoidance opening; the first elastic piece is sleeved on the pin shaft, one end of the first elastic piece is clamped with the hidden box, the other end of the first elastic piece is clamped with the swing rod, and the first elastic piece is used for applying elastic force for clamping the clamping table and the baffle to the swing rod.

As another embodiment of the application, the brewing device comprises a slag scraping plate and a downward pressing brewing assembly which are arranged on the top wall of a shell, a transposition assembly which is connected to the inside of the shell in a sliding manner, a brewing tank and an upward pressing brewing assembly which are arranged on the transposition assembly, and a first driving mechanism and a second driving mechanism which are arranged on the transposition assembly; wherein the scum board is positioned between the coffee powder outlet of the grinder and the pressing brewing assembly, and the bottom end of the scum board is flush with the top end of the brewing tank; the transposition assembly is used for driving the brewing tank to be switched between the position under the pressing brewing assembly and the position under the coffee powder outlet of the grinder; the first driving mechanism is used for driving the pressing brewing assembly to extend into or withdraw from the top end of the brewing tank; the second driving mechanism is used for driving the upward pressing brewing assembly to slide up and down in the brewing tank.

As another embodiment of the application, a first slide rail horizontally extending along the height direction vertical to the slag scraping plate is arranged in the shell; the transposition assembly comprises a transposition frame, a third motor and a rack; the transposition frame is connected to the first sliding rail in a sliding mode along the axial direction of the first sliding rail and used for bearing the brewing tank, the upward pressing brewing assembly and the second driving mechanism; the third motor is connected to the transposition frame, and the output end of the third motor is provided with a first gear; the rack is fixedly connected to the inner wall of the shell along the extending direction of the first sliding rail, and the rack is meshed with the first gear.

As another embodiment of the present application, the first driving mechanism includes a first motor and a transmission wheel set fixedly connected to the top wall of the housing; wherein, the output end of the first motor is provided with a second gear, and the transmission wheel set is respectively meshed with the second gear and a power gear of the pressing brewing assembly; the second driving mechanism comprises a second motor and an intermediate gear which are fixedly connected to the transposition assembly; wherein, the output end of the second motor is provided with a third gear, and the intermediate gear is respectively meshed and connected with the third gear and the power gear of the upper pressure brewing assembly.

As another embodiment of the present application, a grinder comprises a grinding tank, a fixed grinding assembly, a movable grinding assembly, a power mechanism and an adjusting assembly; wherein the top end of the grinding tank is open, and the coffee powder outlet is arranged on the side wall of the grinding tank; the fixed grinding assembly is connected to the open end of the grinding tank in a sliding manner along the axial direction of the grinding tank, and a blanking hole is formed in the center of the fixed grinding assembly; the movable grinding assembly is rotatably connected in the grinding tank along the axial direction of the grinding tank, the top end of the movable grinding assembly corresponds to the bottom end of the fixed grinding assembly up and down to form a grinding cavity, a grinding gap is formed between the edge of the top end of the movable grinding assembly and the edge of the bottom end of the fixed grinding assembly, the grinding gap is aligned with the coffee powder outlet, and the grinding cavity is communicated with the coffee powder outlet; the power mechanism is fixedly connected with the grinding tank, the power output end is connected with the power input end of the movable grinding assembly and is used for driving the movable grinding assembly to rotate, so that the movable grinding assembly and the fixed grinding assembly are matched to grind coffee beans in the grinding cavity, and the coffee powder formed by grinding is thrown to a coffee powder outlet through a grinding gap by using the rotating centrifugal force of the movable grinding assembly and is discharged; the adjusting assembly is arranged on the grinding tank and connected with the fixed grinding assembly and used for driving the fixed grinding assembly to slide up and down, so that the distance between the fixed grinding assembly and the movable grinding assembly is adjusted, and the granularity of powder obtained by grinding is adjusted.

As another embodiment of the present application, a ring table is disposed on an inner wall of an open end of the grinding tank, a plurality of second elastic members are disposed between a top surface of the ring table and the fixed grinding assembly at intervals along a circumferential direction of the ring table, and the second elastic members are used for applying an upward elastic force to the fixed grinding assembly; the adjusting component comprises a pressing plate and a rotating piece; wherein, the pressing plate is horizontally hinged with the top end of the grinding tank, and the center of the pressing plate is provided with a material passing hole which is vertically aligned with the feed inlet; the lower plate surface of the pressing plate is provided with a downward extending top pillar, and the bottom end of the top pillar is abutted to the top surface of the fixed grinding assembly; one end of the screwing piece is provided with a knob, the bottom end of the knob is abutted to the upper plate surface of the pressing plate, and the other end of the screwing piece downwards penetrates through the pressing plate to be screwed with the side wall of the top end of the grinding tank.

Further, the liquid outlet assembly comprises a connecting seat and a liquid outlet box; the connecting seat is fixedly connected inside the shell and provided with a slideway extending along the vertical direction, and the connecting seat is provided with a permanent magnet; the liquid outlet box is provided with a second slide rail which is connected with the slide rail in an up-and-down sliding manner, the liquid outlet box penetrates through the front opening door and extends out of the shell, the liquid outlet box is provided with a ferromagnetic metal piece which extends up and down, the ferromagnetic metal piece and the permanent magnet are correspondingly adsorbed, the bottom end of the liquid outlet box is provided with a liquid outlet, and the liquid outlet is positioned above the drip tray and is connected with a coffee liquid outlet of the brewing device; wherein, in the slidable scope of play liquid box on the connecting seat, go out the liquid box and can stop the arbitrary height on the connecting seat under the adsorption affinity of permanent magnet and ferromagnetic metalwork.

The coffee machine provided by the invention has the beneficial effects that: compared with the prior art, according to the coffee machine, after coffee beans enter the grinder through the feeding port, the grinder is started through the control system to grind the coffee beans into coffee powder, then the coffee powder enters the brewing device through the coffee powder outlet of the grinder and the coffee powder inlet of the brewing device, then the control system controls the brewing device to start working, the coffee powder is pressed in the brewing device to form a powder cake, hot water is introduced into the brewing device through the hot water pipeline, the hot water is used for brewing the powder cake to form coffee liquid, the coffee liquid is discharged to the liquid outlet assembly through the coffee liquid outlet of the brewing device, the coffee cup is placed on the water dropping disc and aligned to the liquid outlet assembly to receive the coffee liquid, the structure is simple, and the operation is stable and reliable;

the residual cake brewed in the brewing device is discharged into the waste material barrel through the residue discharge port, the coffee liquid spilled in the liquid receiving process or the waste water in the coffee cup can directly fall into or pour into the drip tray, when the waste water is cleaned, the drip tray can be drawn down from the fixed frame to pour the waste liquid, when the waste material barrel needs to be cleaned, the front door can be opened, the fixed frame is separated from the inner wall of the shell by operating the elastic clamping piece, then the fixed frame is pulled, so that the waste material barrel is driven to slide on the bottom wall of the shell to the outside of the shell, the waste material barrel can be cleaned, the waste material barrel is pushed into the shell after the cleaning is finished, then the elastic clamping piece is clamped with the inner wall of the shell again, the cleaning processes of the drip tray and the waste material barrel are simple and convenient, the cleaning is thorough and clean, and the connection is stable and reliable due to the clamping mode that the fixed frame is clamped with the inner wall of the shell, the shaking of the waste material barrel and the drip tray caused by the falling of the connection between the fixed frame and the shell in the use process can be avoided, thereby cause sediment cake or waste liquid to leak, and then influence equipment health and job stabilization's problem, the joint structure makes things convenient for the dismouting to carry out cleaning moreover, can improve clean convenience.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed for the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a schematic perspective view of a coffee maker according to an embodiment of the present invention;

FIG. 2 is a schematic view of an internal structure of a coffee maker according to an embodiment of the present invention;

FIG. 3 is a schematic view of the connection structure of the waste bin, the drip tray and the liquid outlet assembly according to the embodiment of the present invention;

FIG. 4 is a schematic view of a connection structure of the waste bin, the fixing frame and the housing according to the embodiment of the present invention;

FIG. 5 is a schematic perspective view of an elastic clip according to an embodiment of the present invention;

FIG. 6 is a first schematic perspective view of a brewer used in an embodiment of the present invention;

FIG. 7 is a schematic perspective view of a second exemplary embodiment of a brewer;

FIG. 8 is a schematic view of the internal structure of a grinder according to an embodiment of the present invention;

fig. 9 is a schematic perspective view of a grinder according to an embodiment of the present invention;

fig. 10 is an exploded view of a liquid outlet assembly according to an embodiment of the present invention.

In the figure: 1. a housing; 10. a front door is opened; 11. a feed inlet; 12. a coffee bean cartridge; 13. a track; 14. a baffle plate; 15. a first slide rail; 2. a grinder; 20. a grinding chamber; 21. a grinding tank; 210. a coffee powder outlet; 211. a ring platform; 212. a second elastic member; 22. a fixed grinding component; 220. a cutter head is fixed; 221. a blanking hole; 23. a dynamic grinding assembly; 230. a movable cutter head; 231. a squeegee; 24. a power mechanism; 25. an adjustment assembly; 250. a material passing hole; 251. pressing a plate; 2511. a top pillar; 252. a screwing piece; 3. a brewing device; 31. a slag scraping plate; 310. a material blocking part; 32. pressing the brewing assembly; 33. a brewing tank; 34. an upward pressure brewing assembly; 35. a transposition assembly; 351. a transposition frame; 352. a third motor; 3521. a first gear; 353. a rack; 36. a first drive mechanism; 361. a first motor; 3611. a second gear; 362. a transmission wheel set; 37. a second drive mechanism; 371. a second motor; 3711. a third gear; 372. an intermediate gear; 4. a liquid outlet assembly; 41. a connecting seat; 410. a slideway; 411. a permanent magnet; 42. a liquid outlet box; 420. a second slide rail; 421. a ferromagnetic metal member; 422. a liquid outlet; 5. a waste bin; 50. a fixing frame; 501. a hidden box; 5011. avoiding the gap; 502. the elastic clamping piece; 5021. a swing rod; 5022. a pin shaft; 5023. a first elastic member; 5024. clamping a platform; 503. a positioning bead; 51. a chute; 6. a drip tray; 71. a human body induction sensor; 72. a touch operation screen; 73. a cup drop detection sensor; 8. a seasoning box; 9. and (6) stirring the tank.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1 to 5, a coffee maker according to the present invention will now be described. The coffee maker comprises a shell 1, a grinder 2, a brewing device 3, a liquid outlet assembly 4, a waste material barrel 5, a drip tray 6 and a control system; wherein, the shell 1 is provided with a front opening door 10, and the top wall is provided with a feed inlet 11; the grinder 2 is arranged in the shell 1, a coffee bean inlet of the grinder 2 is vertically aligned with the feed inlet 11, and the grinder 2 is used for grinding coffee beans into coffee powder; the brewing device 3 is arranged in the shell 1 and is positioned below the grinder 2, a coffee powder inlet of the brewing device 3 is vertically aligned with a coffee powder outlet 210 of the grinder 2, and the brewing device 3 is used for connecting a hot water pipeline and is used for extruding coffee powder into cakes and brewing to generate coffee liquid; the liquid outlet component 4 is connected inside the shell 1, passes through the front opening door 10 and extends out of the shell 1, and the liquid outlet component 4 is connected with a coffee outlet of the brewing device 3; the waste material barrel 5 is connected to the inner bottom wall of the shell 1 in a sliding way along the direction vertical to the front opening door 10, is positioned right below the residue discharge port of the brewing device 3 and is used for receiving residue cakes discharged by the brewing device 3; a fixing frame 50 is arranged on the end wall of the waste bucket 5 facing the front opening door 10, the fixing frame 50 extends to the outside of the shell 1 below the front opening door 10 and is connected with the inner wall of the shell 1 through an elastic clamping piece 502; the drip tray 6 is inserted on the fixed frame 50, is positioned right below the liquid outlet assembly 4, is used for bearing coffee cups and is also used for receiving spilled coffee liquid or waste water; the control system is arranged on the front opening door 10 and is respectively and electrically connected with the grinder 2 and the brewing device 3.

The working mode of the coffee machine provided by the invention is as follows: after coffee beans enter the grinder 2 through the feed inlet 11, the grinder 2 is started through the control system to grind the coffee beans into coffee powder, then the coffee powder enters the brewing device 3 through the coffee powder outlet 210 of the grinder 2 and the coffee powder inlet of the brewing device 3, then the control system controls the brewing device 3 to start working, the coffee powder is pressed in the brewing device 3 to form powder cakes, hot water is introduced into the brewing device 3 through the hot water pipeline, the hot water is used for brewing the powder cakes to form coffee liquid, the coffee liquid is discharged to the liquid outlet component 4 through the coffee liquid outlet of the brewing device 3, and the coffee cup is placed on the water dripping disc 6 and is aligned to the liquid outlet component 4 to receive the coffee liquid;

residual slag cakes brewed in the brewing device 3 are discharged into the waste material barrel 5 through a slag discharge port, coffee liquid spilled in the liquid receiving process or waste water in a coffee cup can directly fall or be poured into the water dropping disc 6, when the waste water is cleaned, the water dropping disc 6 can be used for sucking the downward-inclined waste liquid from the fixed frame 50, and the water dropping disc 6 is inserted into the fixed frame 50 again after the cleaning is finished; when clean waste barrel 5 of needs, can open preceding 10 that open the door, then make fixed

frame

50 and 1 inner wall of casing break away from through operation elasticity fastener 502, then the fixed frame 50 of pulling to drive waste barrel 5 and slide outside casing 1 on the diapire of casing 1, can carry out waste barrel 5's cleanness, inside pushing into casing 1 with waste barrel 5 after the cleanness is accomplished, then with

elasticity fastener

502 and 1 inner wall of casing joint again can.

Compared with the prior art, the coffee machine provided by the invention has the advantages that the working process is simple, the equipment structure is stable and reliable, the waste water barrel and the drip tray 6 are connected with the fixing frame 50, the fixing frame 50 is clamped with the inner wall of the shell 1 through the elastic clamping piece 502, the connection mode is stable and reliable, the problem that the drip tray 6 and the waste barrel 5 shake due to the fact that the fixing frame 50 is connected with the shell 1 in the using process and then falls off to cause leakage of slag cakes or waste liquid and further influence the equipment sanitation and the working stability can be avoided, the clamping structure is convenient to disassemble and assemble and then carries out cleaning work, and the cleaning convenience can be improved.

As a specific embodiment of the coffee maker according to the present invention, please refer to fig. 3 to 5, two sides of the fixing frame 50 are respectively provided with a hidden box 501, a side wall of the hidden box 501 facing the waste bin 5 is abutted to an outer wall of the housing 1 below the front opening door 10; two inner side walls of the shell 1 adjacent to the front opening door 10 are respectively provided with a baffle 14, two elastic clamping pieces 502 are provided, and the two elastic clamping pieces 502 are respectively arranged in the two hidden boxes 501 and are respectively clamped with the two baffles 14.

Through hiding box 501 and the outer wall butt of casing 1, then carry out the joint with the joint end of elasticity fastener 502 and baffle 14 to can restrict the slip degree of freedom of waste bin 5, form the fixed connection relation between messenger's fixed frame 50 and the casing 1, because elasticity fastener 502 is located and hides inside the box 501, consequently can avoid the mistake to touch elasticity fastener 502 and cause fixed frame 50 not hard up or drop, can also guarantee that the equipment outward appearance is neat, improve the equipment aesthetic property.

In this embodiment, please refer to fig. 3 and fig. 4, the opposite side walls of the two hidden boxes 501 are respectively provided with an avoiding gap 5011, when the drip tray 6 is inserted into the fixed frame 50, the two side walls of the drip tray 6 shield the avoiding gap 5011, after the drip tray 6 is taken down from the fixed frame 50, the avoiding gap 5011 is exposed, so that the fingers of the operator can extend into the hidden boxes 501 to press the elastic clamping pieces 502, and the clamping ends of the elastic clamping pieces 502 can be separated from the baffle 14, so that the fixed frame 50 and the waste barrel 5 can slide out from the housing 1.

After the drip tray 6 is detached, avoiding notches 5011 on opposite side walls of the two hidden boxes 501 can be exposed, an operator can release the clamping relationship between the clamping ends of the elastic clamping pieces 502 and the baffle 14 only by stretching fingers into the avoiding notches 5011 to press or buckle the elastic clamping pieces 502, so that the fixed frame 50 and the waste bucket 5 can slide to the outer side of the shell 1 together, the waste bucket 5 is pushed into the shell 1 again after the cleaning of the outer part of the shell 1 is completed, and then the elastic clamping pieces 502 are clamped with the baffle 14 again.

Specifically, referring to fig. 5, the elastic latch 502 includes a pin 5022, a swing link 5021 and a first elastic member 5023; the pin 5022 is arranged in the hidden box 501, one end of the pin is connected with the top wall of the hidden box 501, and the other end of the pin vertically extends downwards and is connected with the bottom wall of the hidden box 501; the middle part of the swing rod 5021 is rotatably sleeved on the pin 5022, one end of the swing rod 5021 extends to the outside of the hidden box 501 and is provided with a clamping table 5024, the clamping table 5024 is clamped with the baffle 14, and the other end of the swing rod 5021 is aligned with the avoiding gap 5011; the first elastic member 5023 is sleeved on the pin 5022, one end of the first elastic member 5023 is connected with the hidden box 501 in a clamping manner, the other end of the first elastic member 5023 is connected with the swing link 5021 in a clamping manner, and the first elastic member 5023 is used for applying an elastic force to the swing link 5021 to clamp the clamping table 5024 and the baffle 14.

When the waste bucket 5 needs to be cleaned, the drip tray 6 is drawn down to expose the avoiding notch 5011, then the swing rod 5021 is pressed to swing along the pin 5022, so that the clamping table 5024 at the clamping end of the swing rod 5021 is separated from the baffle 14, and then the waste bucket 5 is pulled out of the shell 1 through the front door 10 to be cleaned; when the waste barrel 5 is mounted after cleaning is completed, the waste barrel 5 is pushed inwards, the swing rod 5021 is pressed and the clamp 5024 completely passes through the baffle 14, and then the swing rod 5021 is loosened, the swing rod 5021 swings under the elastic acting force of the first elastic piece 5023 to the position where the clamp 5024 is hooked and clamped with the baffle 14, of course, the clamp 5024 is preferably of a wedge-shaped platform structure, when the waste barrel 5 is mounted, the swing rod 5021 does not need to be pressed, only the wedge-shaped surface of the wedge-shaped platform needs to be pressed against the baffle 14 when the fixed frame 50 is pushed, the swing rod 5021 automatically swings to enable the clamp 5024 to slide over the baffle 14, then the swing rod 5021 automatically swings under the action of the first elastic piece 5023, and the clamp 5024 is connected with the baffle 14 in a clamping mode, so that the cleaning process of the waste barrel 5 is simpler and more convenient.

Further, referring to fig. 4, positioning beads 503 are respectively embedded on opposite side walls of the two hidden boxes 501, and recessed spherical surfaces are respectively arranged on outer walls of two sides of the drip tray 6, and the recessed spherical surfaces are correspondingly embedded with the positioning beads 503. It should be noted that the positioning ball 503, also called a ball, a ball plunger or a spring plunger, is a component capable of providing pressure and accurate positioning. After the drip tray 6 is inserted between the two hidden boxes 501 to be in place, the positioning beads 503 can fall into the corresponding concave spherical surface, so that the drip tray 6 is prevented from slipping, the connection stability between the drip tray 6 and the fixed frame 50 is improved, the assembly and disassembly are simple and rapid, and the cleaning work of the drip tray 6 is facilitated.

In addition, referring to fig. 4, the bottom wall of the waste bin 5 is provided with a sliding chute 51 which is recessed upwards, the sliding chute 51 penetrates through two ends of the bottom wall of the waste bin 5, the inner bottom wall of the housing 1 is fixedly connected with a rail 13, and the rail 13 is connected with the sliding chute 51 in a sliding manner. Slide on track 13 through spout 51 to realize the removal of waste bin 5, because spout 51 is for lining up 5 both ends of waste bin, consequently, the slippage on track 13 can be followed completely to waste bin 5, thereby take off waste bin 5 completely when can conveniently cleaning the cake and empty the cleanness, convenient operation, clean of high quality, efficient.

As a specific implementation manner of the embodiment of the present invention, referring to fig. 6 to 7, the brewing device 3 includes a scum board 31 and a downward pressing brewing assembly 32 which are arranged on the top wall of the housing 1, a position changing assembly 35 which is slidably connected inside the housing 1, a brewing tank 33 and an upward pressing brewing assembly 34 which are arranged on the position changing assembly 35, and a first driving mechanism 36 and a second driving mechanism 37 which are arranged on the position changing assembly 35; wherein the scum board 31 is positioned between the ground coffee outlet 210 of the grinder 2 and the pressing brewing assembly 32, and the bottom end is flush with the top end of the brewing pot 33; the transposition assembly 35 is used for driving the brewing tank 33 to switch between the position right below the pressing brewing assembly 32 and the position right below the coffee powder outlet 210 of the grinder 2; the first driving mechanism 36 is used for driving the pressing brewing assembly 32 to extend into or withdraw from the top end of the brewing tank 33; the second driving mechanism 37 is used for driving the upper pressure brewing assembly 34 to slide up and down in the brewing tank 33.

The specific working mode of the brewing device 3 is as follows: in order to ensure that the interior of the brewing tank 33 is clean, the brewing tank 33 is positioned right below the downward pressing brewing assembly 32, and the downward pressing brewing assembly 32 is in an initial state of the brewing tank 33 when extending into the brewing tank 33, when brewing is performed, the downward pressing brewing assembly 32 is firstly driven by the first driving mechanism 36 to exit the brewing tank 33, then the transposition assembly 35 drives the brewing tank 33 to move right below the coffee powder outlet 210 of the grinder 2, powder is added into the brewing tank 33 through the coffee powder outlet 210, and then the brewing tank 33 is driven by the transposition assembly 35 to move right below the downward pressing brewing assembly 32; the first driving mechanism 36 drives the pressing brewing assembly 32 to extend downwards into the brewing tank 33, and the second driving mechanism 37 drives the pressing brewing assembly 34 to move upwards in the brewing tank 33 until the pressing brewing assembly 32 and the pressing brewing assembly 34 are matched to compress the powder into cakes; after the material cake is formed, hot water is filled into the brewing tank 33 (between the lower pressing brewing assembly 32 and the upper pressing brewing assembly 34) through a liquid filling channel in the upper pressing brewing assembly 34 to brew the material cake, and the hot water passes through the material cake under the pressure to form coffee liquid which is discharged through a liquid discharging channel in the lower pressing brewing assembly 32; after the coffee liquid is completely discharged, the downward pressing brewing assembly 32 is driven by the first driving mechanism 36 to upwards exit from the top end of the brewing tank 33, and meanwhile, the upward pressing brewing assembly 34 is driven by the second driving mechanism 37 to upwards move again until the residual cake after brewing is pushed out of the top end of the brewing tank 33; then the transposition assembly 35 drives the brewing tank 33 to move towards the right lower part of the coffee powder outlet 210 of the grinder 2, and the residue cake is scraped into the waste material barrel 5 of the coffee machine by the residue scraping plate 31 in the moving process; the upper-pressure brewing assembly 34 is driven by the second driving mechanism 37 to move to the bottom end of the brewing tank 33; the powder can be added into the feed inlet 11 again for the next brewing operation, and the brewing tank 33 is restored to the initial state after the brewing operation is finished.

It should be understood that the above working process is suitable for continuous brewing operation of multiple cups of coffee, if the operation is a single operation, that is, only one time or one cup of coffee is needed to brew, after the brewing completion upper pressing brewing assembly 34 exits from the brewing tank 33, the transposition assembly 35 first drives the brewing tank 33 to be transferred to the position right below the material inlet 11, then the second driving mechanism 37 drives the upper pressing brewing assembly 34 to push the cake out of the top end of the brewing tank 33, then the transposition assembly 35 drives the brewing tank 33 to move downwards right below the brewing assembly 32, meanwhile, the residue scraping plate 31 scrapes the cake into the waste barrel 5, after the brewing tank 33 moves right below the lower pressing brewing assembly 32, the cake scraping is completed, and the device 3 recovers to the initial state, thereby improving the brewing efficiency of single coffee.

Because the transposition assembly 35 can drive the brewing tank 33 to horizontally move in the shell 1, the residue cake which extends out of the top end of the brewing tank 33 under the pushing of the upper pressing brewing assembly 34 can be hung in the waste material barrel 5 by utilizing the residue scraping plate 31 which is parallel to the top end of the brewing tank 33, and the cake removing structure is simple; because the pressing brewing assembly 32 is independently driven by the first driving mechanism 36, and the pressing brewing assembly 34 is independently driven by the second driving mechanism 37, the position switching assembly 35 can drive the brewing tank 33 to switch positions, and the pressing brewing assembly, the pressing brewing assembly and the position switching assembly are independently driven and independently operated, so that the whole transmission structure is simplified, the control requirement on the operation precision is reduced, and the equipment manufacturing difficulty and the processing cost can be reduced.

As a specific implementation manner of the embodiment of the present invention, please refer to fig. 6, a first slide rail 15 horizontally extending in a direction perpendicular to a height direction of the slag scraping plate 31 is disposed in the housing 1; the transposition assembly 35 comprises a transposition frame 351, a third motor 352 and a rack 353; the transposition frame 351 is connected to the first slide rail 15 in a sliding manner along the axial direction of the first slide rail 15, and is used for bearing the brewing tank 33, the upward pressing brewing assembly 34 and the second driving mechanism 37; the third motor 352 is connected to the shifting frame 351, and the output end of the third motor is provided with a first gear 3521; the rack 353 is fixedly connected to the inner wall of the housing 1 along the extending direction of the first slide rail 15, and the rack 353 is engaged with the first gear 3521.

When the first gear 3521 at the output end of the third motor 352 rotates, the first gear 3521 is meshed with a rack 353 fixed on the inner wall of the housing 1 for transmission, and the rack 353 is fixed, so that the first gear 3521 rolls on the rack 353, and the shifting frame 351 is driven to linearly slide on the first slide rail 15 (the first slide rail 15 can be vertically arranged at intervals and slides through two slide bars of the shifting frame 351), and a slag cake is scraped off through the slag scraping plate 31 in the moving process.

As a specific implementation manner of the embodiment of the present invention, please refer to fig. 6 to fig. 7, the first driving mechanism 36 includes a first motor 361 and a transmission wheel set 362 fixedly connected to the top wall of the housing 1; wherein, the output end of the first motor 361 is provided with a second gear 3611, and the transmission wheel group 362 is respectively engaged with the second gear 3611 and the power gear of the pressing brewing component 32; the second driving mechanism 37 comprises a second motor 371 fixedly connected to the transposition assembly 35 and an intermediate gear 372; wherein, the output end of the second motor 371 is provided with a third gear 3711, and the intermediate gear 372 is respectively connected with the third gear 3711 and the power gear of the upward pressing brewing assembly 34 in a meshing manner.

The second gear 3611 of the output end of the first motor 361 drives the transmission wheel set 362 to rotate, and then drives the power gear which presses the brewing component 32 to rotate, the rotation of the first motor 361 is controlled, so that the action that the brewing component 32 extends into or exits the brewing tank 33 is realized, the third gear 3711 of the output end of the second motor 371 drives the intermediate gear 372 to rotate, and then the power gear which presses the brewing component 34 to rotate is driven, and the up-and-down movement of the brewing component 34 in the brewing tank 33 can be realized by controlling the rotation of the second motor 371.

In this embodiment, referring to fig. 6 or fig. 7, one end of the scraper 31 is provided with a material stopping portion 310 bending towards the periphery of the material inlet 11, and the material stopping portion 310 is used for guiding the powder material to fall into the brewing tank 33. The periphery of the top end of the brewing tank 33 is partitioned and blocked by arranging the material blocking part 310 on the slag scraping plate 31, so that powder is prevented from spilling and leaking to the outside of the brewing tank 33 when feeding is performed, the powder can be ensured to fall into the brewing tank 33 completely, waste is avoided, and cleanness of equipment is guaranteed.

As a specific implementation manner of the embodiment of the present invention, please refer to fig. 8 to 9, the grinder 2 includes a grinding tank 21, a fixed grinding assembly 22, a movable grinding assembly 23, a power mechanism 24, and an adjusting assembly 25; wherein, the top end of the grinding tank 21 is open, and the coffee powder outlet 210 is arranged on the side wall of the grinding tank 21; the fixed grinding component 22 is connected to the open end of the grinding tank 21 in a sliding manner along the axial direction of the grinding tank 21, and a blanking hole 221 is formed in the center; the movable grinding component 23 is connected in the grinding tank 21 in a rotating manner along the axial direction of the grinding tank 21, the top end of the movable grinding component 23 corresponds to the bottom end of the fixed grinding component 22 up and down to form a grinding cavity 20, a grinding gap is formed between the edge of the top end of the movable grinding component 23 and the edge of the bottom end of the fixed grinding component 22, the grinding gap is aligned with the coffee powder outlet 210, and the grinding cavity 20 is communicated with the coffee powder outlet 210; the power mechanism 24 is fixedly connected with the grinding tank 21, the power output end is connected with the power input end of the movable grinding assembly 23, and the power output end is used for driving the movable grinding assembly 23 to rotate, so that the movable grinding assembly 23 and the fixed grinding assembly 22 are matched for grinding coffee beans in the grinding cavity 20, and the coffee powder formed by grinding is thrown to the coffee powder outlet 210 through the grinding gap by using the rotating centrifugal force of the movable grinding assembly 23 and is discharged; the adjusting component 25 is arranged on the grinding tank 21, is connected with the fixed grinding component 22, and is used for driving the fixed grinding component 22 to slide up and down, so that the distance between the fixed grinding component 22 and the movable grinding component 23 is adjusted, and the granularity of the ground powder is adjusted.

The specific working mode of the grinder 2 is as follows: firstly, according to the granularity of powder to be ground, the fixed grinding component 22 is driven by the adjusting component 25 to slide up and down, so that the distance between the fixed grinding component 22 and the movable grinding component 23 is adjusted in place, then coffee beans are added into the grinding cavity 20 from the feed opening 11, the movable grinding component 23 is driven to rotate by the power mechanism 24, so that the movable grinding component 23 and the fixed grinding component 22 rotate relatively to grind the coffee beans, the ground coffee powder is thrown out of the grinding cavity 20 from the grinding gap by the rotating centrifugal force of the ground coffee powder driven by the grinding component 23 and enters the coffee powder outlet 210, and the coffee powder is discharged into the brewing device 3.

The adjustment of the grinding granularity is realized by driving the fixed grinding component 22 to slide up and down in the grinding tank 21 through the adjusting component 25 without adjusting the movable grinding component 23, so that the adjusting structure is stable and reliable, and the operation is convenient; the coffee powder utilizes the rotation centrifugal force of moving grinding subassembly 23 to throw away grinding chamber 20 and then get into coffee powder export 210 and discharge in infusing the ware 3 from the grinding clearance, compares in traditional mill 2 through the mode that driving medium (screw rod class structure) with coffee powder by casing 1 bottom discharge, can avoid the powder to adhere to on the driving medium and cause the phenomenon of arranging the material unclean, arranges the material totally, avoids the powder to remain.

As a specific implementation manner of the embodiment of the present invention, referring to fig. 8, an annular table 211 is disposed on an inner wall of an open end of the grinding pot 21, a plurality of second elastic members 212 are disposed between a top surface of the annular table 211 and the fixed grinding assembly 22 at intervals along a circumferential direction of the annular table 211, and the second elastic members 212 are used for applying an upward elastic force to the fixed grinding assembly 22; the adjusting assembly 25 comprises a pressure plate 251 and a rotary joint 252; wherein, the pressing plate 251 is horizontally hinged with the top end of the grinding tank 21, and the center is provided with a material passing hole 250 which is aligned with the feed inlet 11 up and down; a downward extending top column 2511 is arranged on the lower plate surface of the pressure plate 251, and the bottom end of the top column 2511 is abutted to the top surface of the fixed grinding assembly 22; one end of the screwing member 252 is provided with a knob, the bottom end of the knob is abutted against the upper plate surface of the pressing plate 251, and the other end of the screwing member 252 downwards penetrates through the pressing plate 251 to be screwed with the top side wall of the grinding tank 21.

Because the top of clamp plate 251 and grinding jar 21 adopts articulated mode to be connected, when needs wash grinding jar 21 inside, through unscrewing grinding jar 21 with the union piece 252 is complete, then overturn clamp plate 251 to grinding jar 21's side to can directly take out by grinding jar 21's open end and decide grinding component 22, both conveniently carry out inside cleanness, conveniently maintain again.

When powder with larger particle size needs to be ground, the knob is rotated to drive the rotary connecting piece 252 to be screwed out in the direction away from the grinding tank 21, and meanwhile, the second elastic piece 212 enables the pressing plate 251 to swing upwards through the elastic force transmitted to the pressing plate 251 by the fixed grinding assembly 22, so that the fixed grinding assembly 22 automatically slides upwards under the action of the elastic force, and the distance between the fixed grinding assembly 22 and the movable grinding assembly 23 is increased; when powder with smaller particle size needs to be ground, the knob is rotated reversely, so that the screw 252 is screwed downwards into the grinding tank 21, the bottom end of the knob applies pressure to the swinging end of the pressure plate 251, the top column 2511 at the bottom end of the pressure plate 251 applies downward pressure to the fixed grinding assembly 22, the fixed grinding assembly 22 slides downwards against the elastic force of the second elastic piece 212, and the distance between the fixed grinding assembly 22 and the movable grinding assembly 23 is reduced. Therefore, the grinding particle size can be adjusted only by rotating the manual operation knob, the operation is very convenient, and the structure is stable and reliable.

In addition, scale marks are arranged on the periphery of the knob on the pressing plate 251, the knob is provided with an indicating needle or an indicating point, and the indicating needle is aligned to the corresponding scale marks by rotating the knob, so that the corresponding grinding granularity is achieved, the structure is simple, and the granularity adjustment is visual and convenient.

In this embodiment, please refer to fig. 8, the bottom end of the fixed grinding component 22 is a fixed cutter disc 220, the top end of the movable grinding component 23 is a movable cutter disc 230, wherein the top surface of the movable cutter disc 230 is an inner conical surface, and a plurality of first grinding teeth are distributed on the top surface at intervals along the circumferential direction thereof, and the first grinding teeth extend along the radial direction of the movable cutter disc 230 in an inclined manner; the bottom surface of the fixed cutter disc 220 is an inner conical surface, and a plurality of second grinding teeth are respectively arranged on the bottom surface at intervals along the circumferential direction of the bottom surface, extend obliquely along the radial direction of the fixed cutter disc 220, and the oblique direction is opposite to that of the first grinding teeth.

The inner conical surface structure can form a grinding cavity 20 with thick middle and thin edge between the disk surface of the movable cutter disk 230 and the disk surface of the fixed cutter disk 220, coffee beans entering the grinding cavity 20 are thrown around from the center under the action of centrifugal force, the coffee beans are gradually ground by the first grinding teeth and the second grinding teeth which are staggered with each other until the coffee beans become powder, and the powder is thrown out from tooth gaps (namely grinding gaps) at the edges of the fixed cutter disk 220 and the movable cutter disk 230, so that the high granularity uniformity of the discharged powder can be ensured.

Specifically, referring to fig. 8, the peripheral wall of the movable grinding assembly 23 is provided with a plurality of scrapers 231 at intervals along the circumferential direction thereof, and the scrapers 231 are in sliding contact with both the inner bottom wall and the inner peripheral wall of the grinding tank 21. Get into between the inner wall that moves blade holder periphery wall and grinding jar 21 after the coffee powder is thrown away by the grinding clearance, move grinding subassembly 23 rotation in-process scraper blade 231 with whole coffee powder drive to coffee powder export 210 and discharge under the centrifugal force effect, arrange the material totally, can avoid coffee powder to remain.

As a specific implementation manner of the embodiment of the present invention, please refer to fig. 10, the liquid outlet assembly 4 includes a connecting seat 41 and a liquid outlet box 42; the connecting base 41 is fixedly connected inside the shell 1, and is provided with a slide 410 extending along the vertical direction, and the connecting base 41 is provided with a permanent magnet 411; a second slide rail 420 which is connected with the slide rail 410 in a vertical sliding manner is arranged on the liquid outlet box 42, the liquid outlet box 42 penetrates through the front opening door 10 and extends out of the shell 1, a ferromagnetic metal piece 421 which extends up and down is arranged on the liquid outlet box 42, the ferromagnetic metal piece 421 is correspondingly adsorbed by the permanent magnet 411, a liquid outlet 422 is arranged at the bottom end of the liquid outlet box 42, and the liquid outlet 422 is positioned above the drip tray 6 and is connected with a coffee liquid outlet of the brewing device 3; wherein, in the slidable scope that goes out liquid box 42 on connecting seat 41, go out liquid box 42 and can stay the arbitrary height on connecting seat 41 under the adsorption affinity of permanent magnet 411 and ferromagnetic metalwork 421.

Internal structure fixed connection through connecting seat 41 and casing 1, it is on slide 410 to go out liquid box 42 upper and lower sliding connection, utilize the magnetic adsorption power between permanent magnet 411 and the ferromagnetic metalwork 421, it adsorbs fixedly to go out the arbitrary high position of liquid box 42 in the slidable scope on connecting seat 41, thereby make the height of liquid outlet 422 can with the high matching of coffee rim of a cup, because the position of liquid outlet 422 is far away from the coffee rim of a cup and cause the phenomenon that coffee splashes and leaks when avoiding connecing to get coffee, thereby can reduce extravagantly, ensure that drip tray 6 of coffee machine is clean and tidy, improve customer's consumption and experience.

As a specific implementation manner of the embodiment of the present invention, please refer to fig. 1, a human body sensor 71 and a touch operation screen 72 are embedded in an outer wall of the front opening door 10, a cup falling detection sensor 73 is disposed on the outer wall of the housing 1 at a side of the liquid outlet assembly 4, and the human body sensor 71, the touch operation screen 72, and the cup falling detection sensor 73 are respectively electrically connected to the control system. The coffee machine sells equipment as by oneself, and human body induction sensor 71 can close the customer who connects the coffee machine with preceding opening door 10 of auto-induction, then touch operation screen 72 is automatic to be opened, and after the customer selected instruction such as taste, kind on touch operation screen 72, the coffee machine began to make corresponding coffee liquid, and simultaneously, cup detection sensor 73 that falls can detect whether place the coffee cup in place to avoid putting out liquid under the not in place condition at the coffee cup and cause coffee liquid to spill and leak extravagantly.

Referring to fig. 1, a coffee bean box 12 is disposed on the top of the housing 1 above the material inlet 11, and a material outlet switch is disposed at the bottom of the coffee bean box 12. Can store reserve coffee beans in the coffee bean box 12, when the coffee of freshly ground, can open discharge switch, make the coffee beans automatically fall into in the mill 2, it is convenient to use.

As a specific implementation manner of the embodiment of the present invention, please refer to fig. 2, a plurality of seasoning boxes 8 are further disposed inside the housing 1, a stirring tank 9 is received below the seasoning boxes 8, an electric switch connected to the control system is disposed on the stirring tank 9, and an outlet of the stirring tank 9 is connected to an inlet of the liquid outlet assembly 4. Milk, granulated sugar or other seasonings are respectively placed in the seasoning boxes 8, a customer selects one or more seasonings to leak into the stirring tank 9 according to taste requirements, and the seasonings are uniformly stirred in the stirring tank 9 and then are discharged into the coffee cup which receives coffee liquid through the liquid outlet assembly 4, so that the taste diversification of coffee is realized.

The above description is intended to be illustrative of the preferred embodiment of the present invention and should not be taken as limiting the invention, but rather, the intention is to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the invention.

Claims

1. A coffee machine, characterized in that it comprises:

the liquid outlet assembly is connected to the inside of the shell and extends out of the shell through the front opening door, and the liquid outlet assembly is connected with a coffee liquid outlet of the brewing device;

the waste material barrel is connected to the inner bottom wall of the shell in a sliding manner along the direction vertical to the front opening door, is positioned right below the residue discharge port of the brewing device and is used for receiving residue cakes discharged by the brewing device; a fixing frame is arranged on the end wall of the waste bucket facing the front opening door, extends to the outside of the shell below the front opening door and is connected with the inner wall of the shell through an elastic clamping piece;

the control system is arranged on the front opening door and is electrically connected with the grinder and the brewing device respectively;

two sides of the fixing frame are respectively provided with a hiding box, and the side wall of the hiding box facing the waste barrel is abutted against the outer wall of the shell at the position below the front opening door; two inner side walls of the shell, which are adjacent to the front opening door, are respectively provided with a baffle plate, and two elastic clamping pieces are arranged in the two hidden boxes respectively and are clamped with the two baffle plates respectively;

the two hidden boxes are provided with a plurality of protection openings on opposite side walls respectively, when the drip tray is inserted on the fixed frame, the protection openings are shielded by two side walls of the drip tray, and after the drip tray is taken down from the fixed frame, the protection openings are exposed and used for enabling fingers of an operator to extend into the hidden boxes to press the elastic clamping pieces so as to enable clamping ends of the elastic clamping pieces to be separated from the baffle plate, so that the fixed frame and the waste barrel can slide out from the shell;

the elastic clip comprises:

the pin shaft is arranged in the hiding box, one end of the pin shaft is connected with the top wall of the hiding box, and the other end of the pin shaft vertically extends downwards and is connected with the bottom wall of the hiding box;

the middle part of the swing rod is rotatably sleeved on the pin shaft, one end of the swing rod extends to the outside of the hidden box and is provided with a clamping table, the clamping table is clamped with the baffle, and the other end of the swing rod is aligned with the avoiding opening;

the first elastic piece is sleeved on the pin shaft, one end of the first elastic piece is connected with the hidden box in a clamped mode, the other end of the first elastic piece is connected with the swing rod in a clamped mode, and the first elastic piece is used for applying elastic force for enabling the clamping table and the baffle to be clamped to the swing rod.

2. The coffee machine as claimed in claim 1, wherein the brewing device comprises a scraping plate and a pressing brewing assembly arranged on the top wall of the shell, a transposition assembly connected inside the shell in a sliding manner, a brewing tank and a pressing brewing assembly arranged on the transposition assembly, and a first driving mechanism and a second driving mechanism arranged on the transposition assembly;

wherein the slag scraping plate is positioned between the coffee powder outlet of the grinder and the downward pressing brewing assembly, and the bottom end of the slag scraping plate is flush with the top end of the brewing tank; the transposition assembly is used for driving the brewing tank to be switched between the position under the pressing brewing assembly and the position under the coffee powder outlet of the grinder; the first driving mechanism is used for driving the pressing brewing assembly to extend into or withdraw from the top end of the brewing tank; the second driving mechanism is used for driving the upward pressing brewing assembly to slide up and down in the brewing tank.

3. A coffee machine as claimed in claim 2, characterized in that a first slide rail extending horizontally in a direction perpendicular to the height of said scraping plate is provided in said housing; the transposition subassembly includes:

the shifting frame is connected to the first sliding rail in a sliding manner along the axial direction of the first sliding rail and is used for bearing the brewing tank, the upper pressing brewing assembly and the second driving mechanism;

the third motor is connected to the transposition frame, and the output end of the third motor is provided with a first gear;

the rack is fixedly connected to the inner wall of the shell along the extending direction of the first sliding rail, and the rack is meshed with the first gear.

4. A coffee machine according to claim 2, characterized in that said first driving mechanism comprises a first motor and a set of driving wheels fixedly connected to said top wall of said housing; the output end of the first motor is provided with a second gear, and the transmission wheel set is respectively in meshed connection with the second gear and a power gear of the downward pressing brewing assembly;

the second driving mechanism comprises a second motor and an intermediate gear, and the second motor and the intermediate gear are fixedly connected to the transposition assembly; the output end of the second motor is provided with a third gear, and the intermediate gear is respectively in meshed connection with the third gear and the power gear of the upward pressing brewing assembly.

5. A coffee machine as claimed in claim 1, characterized in that said grinder comprises:

the top end of the grinding tank is open, and the coffee powder outlet is formed in the side wall of the grinding tank;

the fixed grinding assembly is connected to the open end of the grinding tank in a sliding manner along the axial direction of the grinding tank, and a blanking hole is formed in the center of the fixed grinding assembly;

the movable grinding component is rotatably connected into the grinding tank along the axial direction of the grinding tank, the top end of the movable grinding component and the bottom end of the fixed grinding component correspond up and down to form a grinding cavity, a grinding gap is formed between the edge of the top end of the movable grinding component and the edge of the bottom end of the fixed grinding component, the grinding gap is aligned with the coffee powder outlet, and the grinding cavity is communicated with the coffee powder outlet;

the power mechanism is fixedly connected with the grinding tank, and a power output end is connected with a power input end of the movable grinding assembly and used for driving the movable grinding assembly to rotate, so that the movable grinding assembly and the fixed grinding assembly are matched to grind coffee beans in the grinding cavity, and the ground coffee powder is thrown to the coffee powder outlet through the grinding gap by using the rotating centrifugal force of the movable grinding assembly and is discharged;

and the adjusting assembly is arranged on the grinding tank, is connected with the fixed grinding assembly and is used for driving the fixed grinding assembly to slide up and down, so that the distance between the fixed grinding assembly and the movable grinding assembly is adjusted, and the granularity of the powder obtained by grinding is adjusted.

6. A coffee machine according to claim 5, characterized in that the inner wall of the open end of the grinding pot is provided with a ring platform, a plurality of second elastic members are arranged between the top surface of the ring platform and the fixed grinding assembly along the circumferential interval of the ring platform, and the second elastic members are used for applying upward elastic force to the fixed grinding assembly;

the adjusting assembly comprises a pressing plate and a rotating piece; the pressing plate is horizontally hinged with the top end of the grinding tank, and a material passing hole vertically aligned with the feed inlet is formed in the center of the pressing plate; the lower plate surface of the pressing plate is provided with a downward extending top column, and the bottom end of the top column is abutted against the top surface of the fixed grinding assembly; one end of the screwing piece is provided with a knob, the bottom end of the knob is abutted to the upper plate surface of the pressing plate, and the other end of the screwing piece penetrates downwards the pressing plate to be screwed with the side wall of the top end of the grinding tank.

7. A coffee machine as claimed in claim 1, characterized in that said tapping assembly comprises:

the connecting seat is fixedly connected inside the shell and provided with a slide way extending along the vertical direction, and a permanent magnet is arranged on the connecting seat;

the liquid outlet box is provided with a second slide rail which is connected with the slide rail in an up-and-down sliding manner, the liquid outlet box penetrates through the front opening door and extends out of the shell, a ferromagnetic metal piece which extends up and down is arranged on the liquid outlet box, the ferromagnetic metal piece and the permanent magnet are correspondingly adsorbed, a liquid outlet is arranged at the bottom end of the liquid outlet box, and the liquid outlet is positioned above the drip tray and is connected with a coffee liquid outlet of the brewer;

when the liquid outlet box is positioned in the slidable range on the connecting seat, the liquid outlet box can stay at any height on the connecting seat under the action of the adsorption force of the permanent magnet and the ferromagnetic metal piece.