TW202108055A - Structure and method of automatic hand brewing coffee machine wherein traditional manpower is replaced with a humanoid driving mechanism having first and second driving components, a driving arm, a reciprocating rotation component, and a gripping component - Google Patents

Abstract

The present invention relates to a structure and method of an automatic hand brewing coffee machine. The main structure includes a weight measuring component, a boiling component placed on the weight measuring component, a water supply component arranged on the side of the boiling component, a grinding component arranged on the side of the weight measuring component, a brewing filter arranged on the side of the grinding component, a brewing receiving component arranged on the side of the brewing filter, and a humanoid driving mechanism arranged on the side of the grinding component side to separately drive the boiling component, the brewing filter, and the brewing receiving component to move, and a cleaning assembly arranged on the side of the grinding component. The humanoid driving mechanism includes a first driving component, a driving arm, a second driving component, a reciprocating rotation component, and a gripping component, whereby the humanoid driving mechanism can be used to replace the traditional manpower while the brewed coffee still has the taste of hand brewed coffee.

Description

Structure and method of automatic hand brewing coffee machine

The present invention is to provide a structure and method of an automatic hand brewing coffee machine, in particular to a structure and method of an automatic hand brewing coffee machine capable of brewing the taste of manual coffee.

Press, coffee is a beverage made from coffee beans that have been roasted. Coffee is one of the most popular beverages in human society and an important cash crop. Its trade volume accounts for the second highest volume of global futures trade. And coffee is divided into many different types according to different origin, raw materials, manufacturing methods, and brewing methods.

Among them, the different brewing methods will cause considerable differences in the same type of coffee powder. Even in the eyes of many professionals, some small changes in movement may produce great taste differences. Therefore, the use of hand-made coffee Coffee and mechanically manufactured coffee will also have quite different tastes for many people who drink coffee from time to time. Therefore, how to achieve the taste of hand-made coffee by mechanical means is a problem that needs to be solved. problem.

Therefore, how to solve the above-mentioned conventional problems and deficiencies is the direction that the applicant of the present invention and the related manufacturers engaged in this industry urgently want to study and improve.

Therefore, in view of the above-mentioned deficiencies, the inventor of the present invention collected relevant information, evaluated and considered in many ways, and based on years of experience in this industry, through continuous trials and modifications, he designed this kind of manual coffee brewing. The invention patent of the structure and method of the automatic hand brewing coffee machine with flavor.

The main purpose of the present invention is to achieve the anthropomorphic hand-punching effect through the anthropomorphic driving mechanism, so that the coffee has the flavor of artificial hand-pushed coffee.

In order to achieve the above objective, the main structure of the present invention includes: a weight measuring element, A boiling element is placed on the measuring element, a water supply element is arranged on the side of the boiling element, a grinding element is arranged on the side of the weight measuring element, and a brewing filter and a anthropomorphic driving mechanism are arranged on the side of the grinding element. , And a cleaning component, the side of the brewing filter is provided with a brewing container, wherein the anthropomorphic driving mechanism includes a first driving component, a driving arm arranged on the first driving component, and a driving arm connected to the driving The reciprocating rotation component on the arm, a second driving component connected to the reciprocating rotation component, and a clamping component connected to the second driving component.

With the above structure, the user can use the water supply element to inject water into the boiling element, and measure the amount of water in the boiling element through the weight measuring element. When the water volume reaches the set value, the water supply element will stop the water supply action. , And the boiling element will begin to raise the temperature to boil the water in it.

At the same time, the anthropomorphic driving mechanism will drive the driving arm to move through the first driving component, and use the clamping component to clamp the brewing filter and move it under the grinding element. The grinding element grinds the coffee beans into coffee powder and then installs it. Into the brewing filter, the anthropomorphic driving mechanism will then clamp the brewing filter containing coffee powder through the clamping component, and cooperate with the first driving component and the driving arm to move the brewing filter to the brewing container. Above.

When the water in the boiling element is boiled, the anthropomorphic driving mechanism will clamp the boiling element through the clamping assembly to move to the top of the brewing filter, and rotate the clamping assembly through the second driving assembly to remove the boiling element Pour the water in the brewing filter into the brewing filter, and while pouring in, the reciprocating rotating assembly controls the gripping assembly to perform reciprocating rotation, which can drive the boiling water element to reciprocate and rotate above the brewing filter. Like manual brewing, pour water from various angles above the brewing filter to achieve the effect of turbulence and stirring, and pour the water from the boiling element into the brewing filter for multiple times. In order to achieve the action of steaming and extraction respectively, in this way, the skill of manual coffee brewing can be achieved, so that the brewed coffee has the flavor and taste of manual coffee.

After the water passes through the brewing filter element to form coffee, it will flow into the brewing container below, and then the personification driving mechanism will pick up the brewing container to pour the coffee into a drinking cup, and the user can pass it through Taste this coffee with a cup.

Finally, the anthropomorphic driving mechanism will separately clamp the brewing filter and the brewing container to the cleaning assembly for cleaning, so that it can be used directly in the next brewing.

With the above technology, a breakthrough can be made to solve the problem that the mechanical coffee machine cannot achieve the flavor and taste of manual coffee brewing, and the practical advancement of the above advantages can be achieved.

1‧‧‧Weight measuring components

2‧‧‧Boiling water element

3. 3a‧‧‧Water supply element

4‧‧‧Grinding element

5‧‧‧Brewing filter

51‧‧‧Hole

6‧‧‧Brewing container

7‧‧‧Anthropomorphic driving agency

71‧‧‧The first driving component

711‧‧‧Vertical drive

712‧‧‧Horizontal drive

72‧‧‧Drive arm

73‧‧‧Reciprocating rotating assembly

731‧‧‧Power Components

732‧‧‧Adapter component

733‧‧‧The first drive shaft

734‧‧‧Second drive shaft

74‧‧‧Second drive assembly

75‧‧‧Clamping components

751‧‧‧Clamping and driving part

752‧‧‧Gripper

8‧‧‧Cup setting element

81‧‧‧Drinking Cup

9, 9a‧‧‧Cleaning components

91, 91a‧‧‧Cleaning tank

92, 92a‧‧‧Pressurized flushing head

93‧‧‧Water retaining parts

94a‧‧‧Sewage water storage bucket

95a‧‧‧Clean water storage bucket

951a‧‧‧Pump

96a‧‧‧Water volume detection element

The first figure is a perspective view of a preferred embodiment of the present invention.

The second figure is a schematic diagram (1) of the anthropomorphic driving mechanism of the preferred embodiment of the present invention.

The third figure is a schematic diagram (2) of the anthropomorphic driving mechanism of the preferred embodiment of the present invention.

The fourth figure is a schematic diagram (3) of the anthropomorphic driving mechanism of the preferred embodiment of the present invention.

The fifth figure is a schematic diagram (4) of the anthropomorphic driving mechanism of the preferred embodiment of the present invention.

The sixth figure is a flowchart of the steps of the preferred embodiment of the present invention.

The seventh figure is a schematic diagram of the water supply of the preferred embodiment of the present invention.

The eighth figure is a schematic diagram of polishing in a preferred embodiment of the present invention.

The ninth figure is a schematic diagram of the placement of the preferred embodiment of the present invention.

The tenth figure is a schematic diagram (1) of brewing according to a preferred embodiment of the present invention.

The eleventh figure is a schematic diagram (2) of brewing in a preferred embodiment of the present invention.

Figure 12 is a schematic diagram of the reciprocating rotation of the preferred embodiment of the present invention.

Figure 13 is a schematic diagram of the cup taking out of the preferred embodiment of the present invention.

Figure 14 is a schematic diagram of the installation of the preferred embodiment of the present invention.

Figure 15 is a schematic diagram (1) of cleaning of a preferred embodiment of the present invention.

Figure 16 is a schematic diagram (2) of cleaning of a preferred embodiment of the present invention.

Figure 17 is a side view of the preferred embodiment of the present invention.

In order to achieve the above-mentioned purposes and effects, the technical means and structure adopted by the present invention are illustrated below in detail to illustrate the characteristics and functions of the preferred embodiments of the present invention, so as to fully understand.

Please refer to the first to sixteenth figures, which are the three-dimensional view of the preferred embodiment of the present invention to the cleaning schematic (2). It can be clearly seen from the figures that the present invention includes: a weight measuring element 1, weight The measuring element 1 takes an electronic scale as an example in this embodiment; a boiling element 2 placed on the weight measuring element 1, an electronic quick boiling pot is taken as an example in this embodiment; one is set in the boiling element Water supply unit on 2 sides and linked to weight measurement unit 1 information 3. The water supply element 3 takes a water outlet pipe that can supply tap water as an example; a grinding element 4 at the side of the weight measuring element 1 and a coffee bean grinder as an example for the grinding element 4; one at the side of the grinding element 4 The brewing filter element 5, the brewing filter element 5 is a filter mesh that can hold coffee powder; a brewing container 6 arranged at the side of the brewing filter element 5, the brewing container 6 is a brewing pot containing coffee As an example; an anthropomorphic driving mechanism 7 located on the side of the grinding element 4, the anthropomorphic driving mechanism 7 includes a first driving component 71, a driving arm 72 provided on the first driving component 71, and a driving arm connected to the driving arm 72 on the reciprocating rotation component 73, a second driving component 74 connected to the reciprocating rotation component 73, and a gripping component 75 connected to the second driving component 74; one is provided at the side of the brewing container 6 The cup setting element 8 in this embodiment is a cup holder with a plurality of paper cups, but it is not limited. If the cup setting element 8 is not provided, the user can prepare the drinking cup 81 by himself ; And a cleaning assembly 9 provided at the side of the grinding element 4, the cleaning assembly 9 in this embodiment has a cleaning tank 91, a pressurized flushing head 92 connected to the cleaning tank 91, and a cleaning tank 91 provided Water retaining piece 93 at the side.

Among them, the reciprocating rotating assembly 73 has a power element 731, a plurality of adapting elements 732, a plurality of first driving shafts 733, and at least one second driving shaft 734. The power element 731 is a servo motor provided on the driving arm 72, and the adapting element 732 is a pivot pivotally connected to the driving arm 72. In this embodiment, the power element 731 and the adapter element 732 are connected to each other by a belt, but it is not limited, and can also be connected by gears. One end of the first driving shaft 733 will be connected to each adapter element 732, and the end away from the adapter element 732 will be pivotally connected to the second driving shaft 734 on the same side at the same time, and the second driving shaft 734 will be connected to the second driving shaft 734 on the same side. Connected to the second driving assembly 74. In this embodiment, the upper and lower sides of the driving arm 72 each have a set of adapter elements 732, a first driving shaft 733, and a second driving shaft 734, which are connected to the same power. The element 731 is used to enhance the stability of the reciprocating rotation assembly 73 during reciprocating rotation.

The first driving component 71 has a vertical driving member 711 arranged at the side of the grinding element 4, and a plurality of horizontal driving members 712 connected to the vertical driving member 711. The vertical driving member 711 is capable of being moved vertically by a servo motor. Sleeve, and the horizontal driving member 712 is a warp The rotating arm is driven to rotate by a servo motor, and when the horizontal driving members 712 are plural, the horizontal driving members 712 are connected to each other to enhance the efficiency of rotation and the range of horizontal rotation.

The second driving assembly 74 is a rotating motor connected to the reciprocating rotation assembly 73.

The clamping assembly 75 has a plurality of clamping driving members 751 connected to the second driving assembly 74 and a plurality of clamping jaws 752 respectively connected to the clamping driving member 751, and the clamping driving member 751 uses a pneumatic valve as an example.

According to the above description, the structure of this technology can be understood, and according to the corresponding cooperation of this structure, the coffee with the flavor of artificial hand brewed coffee can be brewed through the mechanical structure, and the detailed explanation will be explained in the following.

The method of using the automatic hand brewing coffee machine of the present invention includes the following steps: (a) placing a boiling element on a weight measuring element, and injecting water into the boiling element through a water supply element to pass the weight measurement The element senses the amount of water in the boiling element, and then uses the boiling element to raise the temperature of the water; (b) Use a gripping component in an anthropomorphic drive mechanism to clamp a brewing filter element, and cooperate with one set in the anthropomorphic The first driving component and the driving arm in the chemical driving mechanism move the brewing container to a grinding element; (c) The grinding element grinds coffee beans into coffee powder and puts it in the brewing filter, anthropomorphizing the driving mechanism Then move the brewing filter element containing coffee powder to the top of a brewing container; (d) the personification driving mechanism moves the boiling element to the top of the grinding element, and is driven by a second in the personification driving mechanism The assembly rotates and clamps the assembly to pour the water in the boiling element into the brewing filter. At the same time, a reciprocating rotating assembly in the anthropomorphic driving mechanism is used to reciprocate the boiling element above the brewing filter. (E) When the water is formed into coffee by the brewing action of the brewing filter, it flows into the brewing container below, and the personification drive mechanism then clamps the brewing container to pour the coffee inside to a drink In the cup; and (f) the brewing container and the brewing filter are cleaned through a cleaning assembly through the anthropomorphic driving mechanism.

From the above steps, the user can first place the boiling element 2 on the weight measuring element 1 as shown in the seventh figure, and inject water into the boiling element 2 through the water supply element 3, and use the weight at the same time. The measuring element 1 measures the weight of the water boiling element 2, thereby knowing the amount of water in the water boiling element 2, when When the amount of water reaches a predetermined set value, the water supply element 3 will stop supplying water, and the water boiling element 2 will perform a heating action to boil the water in the water boiling element 2. (Step (a))

At the same time, in conjunction with the eighth and ninth figures, the first driving component 71 in the anthropomorphic driving mechanism 7 will move the driving arm 72 through the movement effects of the vertical driving member 711 and the horizontal driving member 712, and cooperate with the gripping assembly The piece 75 clamps the brewing filter element 5, and the clamping method is to move the clamping jaw 752 through the clamping driving member 751 to use the clamping jaw 752 to clamp the brewing filter element 5, and then cooperate with the first driving component 71 and the clamping component 75 Move the brewing filter element 5 to the grinding element 4, and the grinding element 4 will start the grinding action to grind the coffee beans into coffee powder and put it into the brewing filter element 5. When the brewing filter element 5 is installed After enough coffee powder, the personification driving mechanism 7 will move the brewing filter 5 to the top of the brewing container 6. In this embodiment, the brewing container 6 will be placed in a ㄇ-shaped rack. Below the body, a hole 51 is drilled on the frame, and then the brewing container 6 is placed and aligned at the hole 51, so that the brewing filter 5 is placed and aligned above the brewing container 6 Place. (Step (b) and Step (c))

The above contents are the contents of step (a), step (b) and step (c) of this case, but the order is not limited, and step (a), step (b) and step (c) can be carried out in sequence , Or at the same time.

When the brewing filter element 5 is filled with coffee powder and placed above the brewing container 6, and the water in the water boiling element 2 reaches the set temperature, it can be used as shown in the tenth to twelfth figure, the clamping group The element 75 will grip the boiling element 2 and move the boiling element 2 to the top of the brewing filter element 5 through the first driving assembly 71, and then rotate the clamping assembly through the second driving assembly 74 in an axial rotation manner. The piece 75 is used to rotate the water boiling element 2 and pour the water in the water boiling element 2 into the brewing filter 5 to brew coffee powder to form coffee, and then flow into the brewing container 6 below, and at the same time The reciprocating rotating assembly 73 will act, so that the clamping assembly 75 drives the boiling element 2 to perform a reciprocating rotation above the brewing filter element 5. The action mode is: the power element 731 in the reciprocating rotating assembly 73 will drive The adapter element 732 rotates, and the first driving shaft 733 connected to the adapter element 732 is centered on the adapter element 732 and performs a 360-degree rotation like a clock hand, and because the second driving shaft 734 is connected There are a plurality of second driving shafts 734, so the center point of each adapter element 732 is used as the center to perform a reciprocating rotation operation, thereby driving the boiling element 2 to reciprocate through the second driving component 74 and the clamping component 75 Type of rotary actuation.

Through the above-mentioned reciprocating rotation, the water can be moved along the side of the brewing filter 5 The rim rotates and flows into the brewing filter element 5 to achieve the effect of agitation and turbulence in the manual coffee brewing, and the anthropomorphic driving mechanism 7 does not pour all the water into the brewing filter element 5 all at once. In order to achieve the effects of steaming and extraction respectively, in this way, the anthropomorphic driving mechanism 7 can achieve the manual coffee brewing method, so that the brewed coffee has artificial The flavor and taste of hand brewed coffee, and in this case, the actions from grinding coffee beans, boiling water, and injecting water are all under strict and precise control. Therefore, each cup of coffee can reach the same level, which greatly improves the uniformity of use. Sex and convenience. (Step (d))

When the brewing is completed, as shown in Figures 13 to 16, the personification driving mechanism 7 will move to the cup setting element 8 and take out a paper cup placed in the cup setting element 8 as a drinking cup 81. Then take the brewing container 6 to pour the coffee in it into the drinking cup 81. The user can take the drinking cup 81 to drink coffee, but there is no limit. The user can prepare and place the drinking cup 81 by himself. At the position of the cup setting element 8, the personification driving mechanism 7 is allowed to pour the coffee in the brewing container 6 into the drinking cup 81 prepared by itself. (Step (e))

Finally, when the coffee in the brewing container 6 is poured into the drinking cup 81, the personification driving mechanism 7 will then drive the brewing container 6 to move to the cleaning assembly 9 and align it with the position of the pressurized flushing head 92, It can be used with the pressurized water column flushed by the pressurized flushing head 92 to clean the brewing container 6, and the cleaned water will flow into the washing tank 91 below, and cooperate with the blocking effect of the water stop 93 to prevent water splashing. In a splashing situation, when the brewing container 6 is cleaned, the brewing filter 5 will be clamped into the cleaning assembly 9 for cleaning. The cleaning method is the same as that of the brewing container 6, and the anthropomorphic drive mechanism 7 is used. Cooperate with the pressurized flushing head 92 to perform the cleaning action, so that the brewing filter 5 and the brewing container 6 can be cleaned, so as to increase the sanitary effect in use and facilitate the user's next use efficiency. (Step (f))

Please also refer to Fig. 17, which is a side view of another preferred embodiment of the present invention. It can be clearly seen from the figure that this embodiment is similar to the above-mentioned embodiment, and only differs from the cleaning component 9a. There is a sewage storage bucket 94a connected to the cleaning tank 91a, a plurality of clean water storage buckets 95a connected to the pressurized flushing head 92a and the water supply element 3a respectively, and a plurality of water volume detections in the sewage storage bucket 94a and the clean water storage bucket 95a. The element 96a, whereby after the user uses the cleaning assembly 9a to clean, the sewage will flow into the sewage storage bucket 94a for storage, so as to prevent the sewage from flowing into other water pipes and causing blockage, and the pressurized flushing head 92a and 92a of this embodiment The water supply elements 3a are respectively connected to the clean water storage buckets 95a, and the clean water storage buckets are respectively connected through a pump 951a The water in 95a is injected into the water supply element 3a and the pressurized flushing head 92a to cooperate with the brewing and cleaning actions, so that users can not only use tap water as a source of cleaning or brewing, but can choose according to their needs. Healthy bottled water for washing action or coffee, can increase the diversity of use.

And when the water level in the sewage storage bucket 94a is too high or the water level in the clean water storage bucket 95a is too low, the water quantity detecting element 96a will detect this situation and notify the user to perform the replacement action. In this embodiment Among them, the detection method of the water quantity detecting element 96a is not limited, and can be optical detection or weight detection, but it is not limited, thereby again increasing the convenience of use.

However, the above description is only the preferred embodiments of the present invention, which does not limit the patent scope of the present invention. Therefore, all simple modifications and equivalent structural changes made by using the description and drawings of the present invention should be the same. It is included in the scope of the patent of the present invention, and is hereby stated.

In summary, the structure and method of the automatic hand brewing coffee machine of the present invention can indeed achieve its effects and purposes when used. Therefore, the present invention is an invention with excellent practicability and meets the requirements of an invention patent application. , Yan filed an application in accordance with the law, and I hope that the review committee will approve the invention as soon as possible to protect the inventor’s hard work. If the review committee has any doubts, please send me instructions. The inventor will do his best to cooperate and feel good.

1‧‧‧Weight measuring components

2‧‧‧Boiling water element

3‧‧‧Water supply element

4‧‧‧Grinding element

5‧‧‧Brewing filter

6‧‧‧Brewing container

7‧‧‧Anthropomorphic driving agency

8‧‧‧Cup setting element

81‧‧‧Drinking Cup

9‧‧‧Cleaning components

91‧‧‧Cleaning tank

92‧‧‧Pressurized flushing head

93‧‧‧Water retaining parts

Claims (10)

A structure of an automatic hand brewing coffee machine, which mainly includes: a weight measuring element; a boiling element, the boiling element is placed on the weight measuring element; a water feeding element, the water feeding element is arranged on the boiling element The side of the weight measurement element is connected to the information of the weight measurement element for injecting water into the boiling element; a grinding element, the grinding element is arranged at the side of the weight measurement element; a brewing filter element, the brewing element The bubble filter is arranged at the side of the grinding element; a brewing container is arranged at the side of the brewing filter; an anthropomorphic driving mechanism is arranged on the grinding element At the side, it is used to drive the boiling element, the brewing filter, and the brewing container to move, and the personification driving mechanism includes a first driving component, a driving arm, a second driving component, A reciprocating rotation component and a clamping component, the driving arm is arranged on the first driving component, the reciprocating rotation component is connected to the driving arm, and the second driving component is connected to the reciprocating rotation component, the The clamping component is connected to the second driving component; and a cleaning component, the cleaning component is arranged at the side of the grinding element. The structure of the automatic hand brewing coffee machine described in item 1 of the scope of patent application, wherein the reciprocating rotating assembly has a power element, a plurality of adapter elements, a plurality of first driving shafts, at least one second driving shaft, the power element and The adapter elements are all arranged on the driving arm, the power element is respectively connected to the adapter elements to drive the adapter elements to rotate, and one end of each of the first driving shafts is connected to each of the adapter elements, An end of each of the first driving shafts away from the adapter element is pivotally connected to the second driving shaft, and the second driving component is connected to the second driving shaft. According to the structure of the automatic hand brewing coffee machine described in item 1 of the scope of patent application, the first driving component has a vertical driving member and at least one horizontal driving member connected to the vertical driving member. As for the structure of the automatic hand brewing coffee machine described in item 1 of the scope of patent application, the cleaning assembly has a cleaning tank provided on the side of the grinding element, a pressurized flushing head provided on the cleaning tank, and a A water-retaining piece arranged at the side of the washing tank. For example, the structure of the automatic hand brewing coffee machine described in item 4 of the scope of patent application, wherein a sewage storage bucket connected to the cleaning tank is provided on the side of the cleaning component, and a plurality of clean water storage tanks connected to the pressurized flushing head and the water supply element The water bucket and the plural amount of water respectively installed in the sewage storage bucket and the clean water storage buckets Detection components. A method of using an automatic hand brewing coffee machine, the steps include: (a) placing a boiling element on a weight measuring element, and injecting water into the boiling element through a water supply element to pass the weight measuring element Sensing the amount of water in the boiling element, and then heating the water through the boiling element; (b) Use a gripping component in an anthropomorphic driving mechanism to clamp a brewing filter element, and cooperate with one set in the anthropomorphic The first driving component and the driving arm in the driving mechanism move a brewing container to a grinding element; (c) The grinding element grinds coffee beans into coffee powder and puts it into the brewing filter, anthropomorphizing the driving mechanism Then move the brewing filter element containing coffee powder to the top of a brewing container; (d) the personification driving mechanism moves the boiling element to the top of the grinding element, and is driven by a second in the personification driving mechanism The assembly rotates and clamps the assembly to pour the water in the boiling element into the brewing filter. At the same time, a reciprocating rotating assembly in the anthropomorphic driving mechanism is used to reciprocate the boiling element above the brewing filter. (E) When the water is formed into coffee by the brewing action of the brewing filter, it flows into the brewing container, and then the personification driving mechanism clamps the brewing container to pour the coffee inside into a drinking cup In; and (f) through a anthropomorphic driving mechanism, the brewing container and the brewing filter are cleaned by a cleaning assembly. The method for using an automated hand brewing coffee machine described in item 6 of the scope of patent application, wherein the reciprocating rotating assembly has a power element, a plurality of adapter elements, a plurality of first driving shafts, and at least one second driving shaft, and the power element And the adapter elements are all arranged on the driving arm, the power element is respectively connected to the adapter elements to drive the adapter elements to rotate, and one end of each of the first driving shafts is connected to each of the adapter elements , And each of the first driving shafts is pivotally connected to the second driving shaft at one end away from the adapter element, and the second driving component is connected to the second driving shaft. According to the method of using the automatic hand brewing coffee machine described in item 6 of the scope of patent application, the first driving component has a vertical driving member and at least one horizontal driving member connected to the vertical driving member. According to the method of using the automatic hand brewing coffee machine described in item 6 of the scope of patent application, the cleaning assembly has a cleaning tank provided on the side of the grinding element, a pressurized flushing head provided on the cleaning tank, and A water retaining piece arranged at the side of the washing tank. The structure of the automatic hand coffee machine described in item 9 of the scope of patent application, wherein the cleaning group There is a sewage storage bucket connected to the cleaning tank, a plurality of clean water storage buckets respectively connected to the pressurized flushing head and the water supply element, and a plurality of water volume detections respectively installed in the sewage storage bucket and the clean water storage buckets element.

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