Full-automatic coffee machine

Abstract

The utility model discloses a full-automatic coffee machine which comprises a main machine body, a brewing device and a discharging device, and a brewing chamber and a discharging chamber which are used for installing the brewing device and the discharging device respectively are arranged in the main machine body. The discharging device comprises a grinding cavity and at least two guide hoppers, wherein a grinding device is arranged in the grinding cavity, and the guide hoppers are used for supplying grinding raw materials to the grinding cavity. A feeding mechanism is arranged in the guide hopper; the brewing device comprises an inner container and a heating device used for heating the inner container. The grinding cavity is provided with a material guiding channel used for sending out grinding powder, a discharging opening used for communicating the material guiding channel with the inner container is formed between the brewing chamber and the discharging chamber, and a valve device is arranged at the position of the discharging opening so as to control opening and closing of the discharging opening. According to the utility model, a plurality of brewing raw materials can be pre-stored and can be brewed in a combined manner as required, and the pre-stored raw materials can be prevented from being influenced by steam.

Description

Technical Field

[0001] The utility model relates to the technical field of beverage equipment, in particular to a fully automatic coffee machine. Background Art

[0002] At present, the common method of making coffee is to grind coffee beans into powder and then boil and brew them. For consumers who want to prepare coffee with different concentrations according to their own tastes, they often need to grind the required amount of coffee powder in advance by themselves and then boil and brew all of them. As a result, consumers have more preparatory work in the early stage, affecting the convenient drinking effect for consumers.

[0003] Moreover, for coffee that needs to be mixed and prepared, such as Arabian coffee, in addition to regular coffee bean powder, it generally also contains cinnamon powder, cardamom powder, etc. The brewing steps of coffee are more complicated. In terms of the taste adjustment of different people, the existing coffee machines for single coffee powder brewing are difficult to meet the above-mentioned convenient use requirements. Summary of the Utility Model

[0004] The technical problem to be solved by the embodiments of the utility model is to provide a fully automatic coffee machine, which can pre-store multiple brewing raw materials, combine and brew them as needed, and can prevent the pre-stored raw materials from being affected by steam.

[0005] To solve the above technical problem, the embodiments of the utility model provide a fully automatic coffee machine, which includes a main body, a brewing device arranged on the main body, and a feeding device for conveying materials to the brewing device. A brewing chamber and a feeding chamber for respectively installing the brewing device and the feeding device are arranged in the main body;

[0006] Wherein, the feeding device includes a grinding cavity with a grinding device arranged therein and a material guiding hopper for supplying grinding raw materials to the grinding cavity. At least two material guiding hoppers are provided; a feeding mechanism for controlling the grinding raw materials to enter the grinding cavity is arranged in the material guiding hopper;

[0007] The brewing device includes an inner container for cooking coffee and a heating device for heating the inner container;

[0008] The grinding cavity is provided with a material guiding channel for sending out the ground powder. A feeding port for communicating the material guiding channel and the inner container is arranged between the brewing chamber and the feeding chamber. A valve device is arranged at the feeding port to control the opening and closing of the feeding port.

[0009] As an improvement of the above solution, the main body is provided with an exhaust pipe communicated with the inner container, and an exhaust fan is arranged in the exhaust pipe.

[0010] As an improvement to the above solution, the material guiding hopper includes a hopper body for putting materials and a lower housing for installing the feeding mechanism. The lower housing is communicated with the bottom opening of the hopper body, and a discharge port communicated with the grinding cavity is arranged on the side wall of the lower housing, so as to transfer the materials at the bottom opening to the discharge port through the feeding mechanism.

[0011] As an improvement to the above solution, at least one feeding mechanism provided in the material guiding hopper is a fine material feeding mechanism;

[0012] The fine material feeding mechanism includes a spiral blade adapted to the bottom opening, a fine material sweeping disk for sweeping materials towards the discharge port, and a fine material feeding shaft for driving the spiral blade and the fine material sweeping disk to rotate. The fine material sweeping disk is arranged corresponding to the discharge port, and the fine material sweeping disk is provided with sweeping bars for sweeping materials, so as to sweep the materials conveyed by the spiral blade out of the discharge port.

[0013] As an improvement to the above solution, at least one feeding mechanism provided in the material guiding hopper is a miscellaneous material feeding mechanism for crushing long or thick materials;

[0014] The miscellaneous material feeding mechanism includes a miscellaneous material grinding ring fixed at the bottom opening, a miscellaneous material grinding seat corresponding to the miscellaneous material grinding ring, a miscellaneous material sweeping disk for sweeping materials towards the discharge port, and a miscellaneous material feeding shaft for driving the miscellaneous material grinding seat and the miscellaneous material sweeping disk to rotate. After the materials are ground and crushed between the miscellaneous material grinding ring and the miscellaneous material grinding seat, they fall onto the miscellaneous material sweeping disk, and the miscellaneous material sweeping disk is provided with sweeping bars for sweeping materials, so as to sweep the materials out of the discharge port.

[0015] As an improvement to the above solution, the grinding device includes a main grinding ring fixed in the grinding cavity, a main grinding seat corresponding to the main grinding ring, a main sweeping disk for sweeping materials towards the material guiding channel, and a main driving shaft for driving the main grinding seat and the main sweeping disk to rotate;

[0016] After the materials are ground and crushed between the main grinding ring and the main grinding seat, they fall onto the main sweeping disk, and the main sweeping disk is provided with sweeping bars for sweeping materials, so as to sweep the materials to the material guiding channel.

[0017] As an improvement to the above solution, the valve device includes a baffle for blocking the material discharging opening, a guiding groove body for guiding the baffle to move towards the material discharging opening, and a baffle driving mechanism for driving the baffle to move along the guiding groove body.

[0018] As an improvement to the above solution, the main body is provided with a liquid supply mechanism for supplying water to the brewing device and outputting the brewed liquid. The liquid supply mechanism includes a water tank, a water pump, and a liquid outlet pump. The water pump and / or the liquid outlet pump are equipped with a flow meter for controlling the conveying volume.

[0019] The bottom of the water tank is provided with a water outlet end. An inlet is provided in the main body and is communicated with the inner container. The water outlet end is communicated with the inlet through the water pump to pump the water in the water tank into the inner container.

[0020] The bottom of the inner container is provided with an inner container liquid outlet pipe. The main body is provided with a coffee liquid outlet pipe for outputting coffee liquid. The inner container liquid outlet pipe is communicated with the coffee liquid outlet pipe through the liquid outlet pump to pump the brewed coffee in the inner container to the coffee liquid outlet pipe.

[0021] As an improvement to the above solution, it further includes a movable box. The brewing chamber is provided with a box slot for inserting the movable box. The brewing device is arranged in the movable box. The movable box is provided with a power connection slot for connecting electricity. The heating device is electrically connected to the power connection slot. The main body is provided with a power supply plug corresponding to the power connection slot for electrically connecting to the power connection slot.

[0022] As an improvement to the above solution, the main body is provided with a heating base for external heating. The coffee liquid outlet pipe is located above the heating base. A containing space for placing the object to be heated is left between the coffee liquid outlet pipe and the heating base.

[0023] Implementing the present utility model has the following beneficial effects:

[0024] An embodiment of the present utility model discloses a fully automatic coffee machine, including a main body, a brewing device, and a feeding device. A brewing chamber and a feeding chamber for respectively installing the brewing device and the feeding device are arranged in the main body.

[0025] The feeding device includes a grinding cavity internally provided with a grinding device and a feeding hopper for supplying grinding raw materials to the grinding cavity. The brewing device includes an inner container for cooking coffee and a heating device for heating the inner container.

[0026] There are at least 2 feeding hoppers; a feeding mechanism for controlling the grinding raw materials to enter the grinding cavity is arranged in the feeding hopper. Therefore, the user can combine the raw materials in the required proportion by controlling the feeding mechanisms of the respective feeding hoppers and perform grinding and mixing through the grinding device.

[0027] Moreover, the grinding cavity is provided with a material guiding channel for sending out grinding powder, and a material discharging port for communicating between the material guiding channel and the inner container is arranged between the brewing chamber and the material discharging chamber. A valve device is arranged at the material discharging port to control the opening and closing of the material discharging port. During the process of brewing coffee in the inner container, a large amount of water vapor will be generated. Therefore, the valve device can prevent the water vapor from emitting from the material discharging port to each material guiding hopper, thus affecting the quality of the raw materials. At the same time, it can also prevent the powder remaining in the grinding cavity and the material guiding channel from caking. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 is a schematic three-dimensional structure diagram of the fully automatic coffee machine of the present invention;

[0029] Figure 2 is a schematic cross-sectional structure diagram of the fully automatic coffee machine of the present invention;

[0030] Figure 3 is a schematic cross-sectional structure diagram of the fully automatic coffee machine of the present invention from another angle;

[0031] Figure 4 is a schematic cross-sectional structure diagram of the valve device of the present invention;

[0032] Figure 5 is a schematic cross-sectional structure diagram of the water tank of the present invention. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0033] To make the objectives, technical solutions and advantages of the present invention clearer, the present invention will be further described in detail below with reference to the accompanying drawings.

[0034] See Figure 1 、 2 , an embodiment of the present invention provides a fully automatic coffee machine, including a main body 1, a brewing device 2 arranged on the main body 1, and a material discharging device 3 for conveying materials to the brewing device 2. A brewing chamber 11 and a material discharging chamber 12 for respectively installing the brewing device 2 and the material discharging device 3 are arranged in the main body 1;

[0035] Among them, the material discharging device 3 includes a grinding cavity 32 with a grinding device 31 arranged therein and a material guiding hopper 33 for supplying grinding raw materials to the grinding cavity 32. At least two material guiding hoppers 33 are provided; a feeding mechanism for controlling the grinding raw materials to enter the grinding cavity 32 is arranged in the material guiding hopper 33;

[0036] The brewing device 2 includes an inner container 21 for brewing coffee and a heating device 22 for heating the inner container 21;

[0037] The grinding cavity 32 is provided with a material guiding channel 321 for sending out grinding powder. A material discharging port 13 for communicating between the material guiding channel 321 and the inner container 21 is provided between the brewing chamber 11 and the material feeding chamber 12. A valve device 4 is provided at the material discharging port 13 to control the opening and closing of the material discharging port 13.

[0038] Specifically, referring to Figure 3 , the material guiding hopper 33 includes a hopper body 331 for putting materials and a lower housing 332 for installing the material feeding mechanism. The lower housing 332 is communicated with the bottom opening of the hopper body 331. A material discharging port 333 communicated with the grinding cavity 32 is provided on the side wall of the lower housing 332, so as to transfer the materials at the bottom opening to the material discharging port 333 through the material feeding mechanism. Correspondingly, the hopper body 331 is provided with a cover body 334 to store and cache the materials in the hopper body 331.

[0039] Referring to Figure 4 , the valve device 4 includes a material blocking piece 41 for blocking the material discharging port 13, a guiding groove body 42 for guiding the material blocking piece 41 to move towards the material discharging port 13, and a material blocking driving mechanism for driving the material blocking piece 41 to move along the guiding groove body 42. The material blocking driving mechanism can be an electric push rod in the prior art. More preferably, the material blocking driving mechanism includes a swing arm 43 and a motor 44 for driving the swing arm 43 to swing. The material blocking piece 41 is provided with a linkage column 411, and the swing arm 43 is provided with a stroke hole 431 for driving the linkage column 411, so as to convert the swing of the swing arm 43 into a driving force for driving the material blocking piece 41 to move along the guiding groove body 42.

[0040] In order to adapt to brewing various types of coffee, at least one of the material guiding hoppers 33 is provided with a fine material feeding mechanism 34 as the material feeding mechanism;

[0041] The fine material feeding mechanism 34 includes a spiral blade 341 adapted to the bottom opening, a fine material sweeping plate 342 for sweeping the materials towards the material discharging port 333, and a fine material feeding shaft 343 for driving the spiral blade 341 and the fine material sweeping plate 342 to rotate. The fine material sweeping plate 342 is arranged corresponding to the material discharging port 333. The fine material sweeping plate 342 is provided with sweeping bars for sweeping the materials, so as to sweep the materials conveyed by the spiral blade 341 out of the material discharging port 333.

[0042] Therefore, for regular coffee beans, under the rotation of the spiral blade 341, the coffee beans in the hopper body 331 can be transferred to the fine material sweeping plate 342, and under the driving of the sweeping bar, they are sent out of the discharge port 333, so that the coffee beans are ground by the grinding device 31 in the grinding cavity 32, and finally fall into the inner container 21 through the material guiding channel 321 for boiling and brewing. The transmission of the spiral blade 341 can be finely distributed by controlling the rotation of the fine material feeding shaft 343.

[0043] Correspondingly, for granular raw materials with different particle sizes, the material guiding hopper 33 can be added and spiral blades 341 with corresponding pitches can be configured to adapt to the transmission of raw materials of different sizes.

[0044] Furthermore, in order to adapt to the brewing requirements of special coffee, such as Arabian coffee, long strip materials such as cinnamon need to be added. At least one of the feeding mechanisms provided in the material guiding hopper 33 is a miscellaneous material feeding mechanism 35 for crushing long strip or thick materials;

[0045] The miscellaneous material feeding mechanism 35 includes a miscellaneous material grinding ring 351 fixed at the bottom opening, a miscellaneous material grinding seat 352 corresponding to the miscellaneous material grinding ring 351, a miscellaneous material sweeping plate 353 for sweeping the material towards the discharge port 333, and a miscellaneous material feeding shaft 354 for driving the miscellaneous material grinding seat 352 and the miscellaneous material sweeping plate 353 to rotate. After the material is ground and crushed between the miscellaneous material grinding ring 351 and the miscellaneous material grinding seat 352, it falls onto the miscellaneous material sweeping plate 353. The miscellaneous material sweeping plate 353 is provided with a sweeping bar for sweeping the material to sweep the material out of the discharge port 333. Therefore, for long strip materials, they will be preliminarily crushed, so that the miscellaneous material sweeping plate 353 can easily sweep them out of the discharge port 333 and fall into the grinding cavity 32. Preferably, both the fine material sweeping plate 342 and the miscellaneous material sweeping plate 353 are conical in shape to facilitate the inclined sliding of the powder out of the discharge port 333.

[0046] The grinding device 31 includes a main grinding ring 311 fixed in the grinding cavity 32, a main grinding seat 312 corresponding to the main grinding ring 311, a main sweeping plate 313 for sweeping the material towards the material guiding channel 321, and a main driving shaft 314 for driving the main grinding seat 312 and the main sweeping plate 313 to rotate;

[0047] After the material is ground and crushed between the main grinding ring 311 and the main grinding seat 312, it falls onto the main sweeping disc 313, which is provided with sweeping bars for sweeping the material to sweep the material to the material guide channel. In detail, the main grinding ring 311 and the main grinding seat 312 are provided with corresponding toothed surfaces for grinding the material. Correspondingly, the miscellaneous material grinding ring 351 and the miscellaneous material grinding seat 352 are provided with corresponding toothed surfaces for grinding the material.

[0048] For the supply of liquid for brewing coffee, see Figure 5 The main body 1 is provided with a liquid supply mechanism for supplying water to the brewing device 2 and outputting brewing liquid, and the liquid supply mechanism includes a water tank 5, a water pump 6 and a liquid outlet pump 7, and the water pump 6 and / or the liquid outlet pump 7 are equipped with a flow meter 8 for controlling the delivery amount; preferably, the water pump 6 and the liquid outlet pump 7 are equipped with a flow meter 8 for controlling the delivery amount, so as to facilitate controlling the operation of the water pump 6 and the liquid outlet pump 7.

[0049] The water tank 5 is provided with a water outlet 51 at the bottom thereof, and the main body 1 is provided with a water inlet 14 connected to the inner tank 21. The water outlet 51 is connected to the water inlet 14 through the water pump 6 to pump the water in the water tank 5 into the inner tank 21.

[0050] An inner tank liquid outlet pipe 211 is provided at the bottom of the inner tank 21, and the main body 1 is provided with a coffee liquid outlet pipe 15 for outputting coffee liquid. The inner tank liquid outlet pipe 211 is connected to the coffee liquid outlet pipe 15 through the liquid outlet pump 7 to pump the brewed coffee in the inner tank 21 to the coffee liquid outlet pipe 15.

[0051] In order to prevent the brewed coffee liquid from being mixed with coffee powder and other particles after being output to the coffee liquid outlet pipe, a filter net bag 212 is provided in the inner tank 21.

[0052] For the convenience of cleaning and daily maintenance of the inner container 21, the fully automatic coffee machine further includes a movable box 16. The brewing chamber 11 is provided with a box body slot 111 for inserting the movable box. The brewing device 2 is arranged in the movable box 16. The movable box 16 is provided with a power connection slot 161 for connecting electricity. The heating device 22 is electrically connected to the power connection slot 161. The main body 1 is provided with a power supply plug corresponding to the power connection slot 161 for electrically connecting to the power connection slot 161. When cleaning is required, the movable box 16 can be pulled out, so that the filter basket 212 in the inner container 21 can be directly taken out. At the same time, the residues remaining on the inner container 21 can be directly cleaned. On the other hand, when the movable box is pulled out, the power connection slot 161 and the power supply plug are separated to disconnect the circuit, so as to ensure the safety of personnel during the cleaning process of the inner container 21. Correspondingly, when the movable box 16 is inserted back into the box body slot 111, the power connection slot and the power supply plug are re-docked and inserted to restore the power supply to the heating device 22. Correspondingly, the box body slot 111 is provided with a docking pipe 1111 for plugging and communicating with the coffee liquid outlet pipe 15.

[0053] The main body 1 is provided with a heating base 17 for external heating. The coffee liquid outlet pipe 15 is located above the heating base 17. A receiving space for placing the object to be heated is left between the coffee liquid outlet pipe 15 and the heating base 17. Therefore, the user can place the container for receiving coffee liquid on the heating base 17 to receive the brewed coffee liquid. Moreover, when it is not necessary to drink temporarily and heat preservation is required, heating can be carried out by using the heating base. Preferably, the heating base includes a panel 171 for heat conduction and a heating device 172 for heating the panel. The panel is preferably a microcrystalline glass or a metal plate. The heating device and the heating device 22 are preferably heating tubes in the prior art.

[0054] On the other hand, in order to prevent the inner container 21 from generating excessive air pressure during the brewing process, the main body 1 is provided with an exhaust pipe 9 communicating with the inner container 21. An exhaust fan 91 is arranged in the exhaust pipe 9. In order to improve the boiling efficiency of the inner container 21, a temperature sensing element for controlling the operation of the exhaust fan 91 is arranged in the exhaust pipe 9, so as to start the exhaust fan 91 after the temperature in the exhaust pipe reaches a preset temperature.

[0055] The above is the preferred embodiment of the present invention. It should be noted that for those of ordinary skill in the art, without departing from the principle of the present invention, several improvements and refinements can be made, and these improvements and refinements are also regarded as the protection scope of the present invention.

Claims

1. A fully automatic coffee machine, characterized in that, It includes a main body, a brewing device provided on the main body, and a feeding device for delivering materials to the brewing device. A brewing chamber and a feeding chamber for respectively installing the brewing device and the feeding device are provided inside the main body; Among them, the feeding device includes a grinding cavity with a grinding device inside and a feeding hopper for supplying grinding raw materials to the grinding cavity. There are at least 2 feeding hoppers; a feeding mechanism for controlling the grinding raw materials to enter the grinding cavity is provided inside the feeding hopper; The brewing device includes an inner container for brewing coffee and a heating device for heating the inner container; The grinding cavity is provided with a feeding channel for sending out ground powder. A feeding port for communicating between the feeding channel and the inner container is provided between the brewing chamber and the feeding chamber. A valve device is provided at the feeding port to control the opening and closing of the feeding port.

2. The fully automatic coffee machine according to claim 1, characterized in that, The main body is provided with an exhaust pipe communicated with the inner container, and an exhaust fan is provided inside the exhaust pipe.

3. The fully automatic coffee machine according to claim 1, wherein The feeding hopper includes a hopper body for putting materials and a lower housing for installing the feeding mechanism. The lower housing is communicated with the bottom opening of the hopper body. The side wall of the lower housing is provided with a discharge port communicated with the grinding cavity, so as to transfer the materials at the bottom opening to the discharge port through the feeding mechanism.

4. The fully automatic coffee machine according to claim 3, characterized in that, The feeding mechanism provided in at least one of the feeding hoppers is a fine material feeding mechanism; The fine material feeding mechanism includes a spiral blade adapted to the bottom opening, a fine material sweeping plate for sweeping materials towards the discharge port, and a fine material feeding shaft for driving the spiral blade and the fine material sweeping plate to rotate. The fine material sweeping plate is arranged corresponding to the discharge port. The fine material sweeping plate is provided with sweeping strips for sweeping materials to sweep the materials conveyed by the spiral blade out of the discharge port.

5. The fully automatic coffee machine according to claim 3 or 4, characterized in that, The feeding mechanism provided in at least one of the feeding hoppers is a miscellaneous material feeding mechanism for crushing long or thick materials; The miscellaneous material feeding mechanism includes a miscellaneous material grinding ring fixed at the bottom opening, a miscellaneous material grinding seat corresponding to the miscellaneous material grinding ring, a miscellaneous material sweeping plate for sweeping materials towards the discharge port, and a miscellaneous material feeding shaft for driving the miscellaneous material grinding seat and the miscellaneous material sweeping plate to rotate. After the materials are ground and crushed between the miscellaneous material grinding ring and the miscellaneous material grinding seat, they fall onto the miscellaneous material sweeping plate. The miscellaneous material sweeping plate is provided with sweeping strips for sweeping materials to sweep the materials out of the discharge port.

6. The fully automatic coffee machine according to claim 1, characterized in that, The grinding device includes a main grinding ring fixed inside the grinding cavity, a main grinding seat corresponding to the main grinding ring, a main sweeping plate for sweeping materials towards the feeding channel, and a main driving shaft for driving the main grinding seat and the main sweeping plate to rotate; After the materials are ground and crushed between the main grinding ring and the main grinding seat, they fall onto the main sweeping plate. The main sweeping plate is provided with sweeping strips for sweeping materials to sweep the materials to the feeding channel.

7. The fully automatic coffee machine according to claim 1, characterized in that The valve device includes a baffle plate for blocking the feeding port, a guiding groove body for guiding the baffle plate to move towards the feeding port, and a baffle driving mechanism for driving the baffle plate to move along the guiding groove body.

8. The fully automatic coffee machine according to claim 1, wherein The main body is provided with a liquid supply mechanism for supplying water to the brewing device and outputting the brewed liquid. The liquid supply mechanism includes a water tank, a water pump, and a liquid outlet pump. The water pump and / or the liquid outlet pump are equipped with a flow meter for controlling the delivery volume. The bottom of the water tank is provided with a water outlet end. An inlet is provided in the main body and is communicated with the inner tank. The water outlet end is communicated with the inlet through the water pump to pump the water in the water tank into the inner tank. The bottom of the inner tank is provided with an inner tank liquid outlet pipe. The main body is provided with a coffee liquid outlet pipe for outputting coffee liquid. The inner tank liquid outlet pipe is communicated with the coffee liquid outlet pipe through the liquid outlet pump to pump the brewed coffee in the inner tank to the coffee liquid outlet pipe.

9. The fully automatic coffee machine according to claim 8, characterized in that, It further includes a mobile box. The brewing chamber is provided with a box slot for inserting the mobile box. The brewing device is arranged in the mobile box. The mobile box is provided with a power connection slot for connecting electricity. The heating device is electrically connected to the power connection slot. The main body is provided with a power supply plug corresponding to the power connection slot for electrically connecting to the power connection slot.

10. The fully automatic coffee machine according to claim 8, characterized in that, The main body is provided with a heating base for external heating. The coffee liquid outlet pipe is located above the heating base. A receiving space for placing an object to be heated is left between the coffee liquid outlet pipe and the heating base.

Images