Automatic extraction coffee machine with quantitative powder falling function

Abstract

The utility model relates to an automatic extraction coffee machine with a quantitative powder falling function, which comprises a bean grinding structure, a powder outlet is arranged at the output end of the bean grinding structure, a movable powder receiving structure is arranged at the output end of the powder outlet, a downward-pressing extraction structure is correspondingly arranged above the powder receiving structure, the powder outlet is not sealed, and the powder outlet is provided with an opening. A touch switch is arranged at the front end of the powder receiving structure, and the powder receiving structure stops after moving to the powder outlet to touch the touch switch, so that the powder outlet automatically and quantitatively falls powder; by means of linkage matching of the powder outlet and the powder receiving device, automatic quantitative powder falling is achieved on the basis of time, it is guaranteed that the quality of coffee made every time is stable, and therefore consistent fragrance and taste are provided.

Description

TECHNICAL FIELD

[0001] The utility model relates to coffee machine technical field especially, it relates to a kind of automatic extraction coffee machine with quantitative powder falling function. BACKGROUND

[0002] Coffee machine makes coffee process, after coffee bean is ground, the quantitative coffee powder needs to be sent into extraction spoon, then powder is pressed and brewed.But existing coffee machine has following defects: 1, the accuracy of powder outlet weight is insufficient, structure is complex, and the problem of inconvenient operation;2, powder receiver is fixed or needs to be manually moved, so after powder is discharged, coffee powder cannot accurately fall into powder receiver, affect the aroma, taste of coffee powder. INVENTION CONTENTS

[0003] The utility model aims at the shortcomings of prior art, provide a kind of automatic extraction coffee machine with quantitative powder falling function, its powder outlet is not sealed, the linkage cooperation of powder outlet and powder receiver is carried out with time as benchmark to automatically quantitative powder falling, ensure the quality of coffee made each time is stable, to provide consistent aroma and taste.

[0004] By setting baffle between the powder outlet and the extraction structure of pressing down, prevent water vapor from entering the powder outlet and powder bin, so as to avoid the influence of coffee powder by water vapor.

[0005] To achieve the purpose, the technical scheme adopted by the utility model is:

[0006] A kind of automatic extraction coffee machine with quantitative powder falling function, including bean grinding structure, the output end of the bean grinding structure is equipped with powder outlet, the output end of the powder outlet is equipped with mobile powder receiving structure, the upper portion of the powder receiving structure is equipped with the extraction structure of pressing down, the powder outlet is not sealed, the front end of the powder receiving structure is equipped with touch switch, after the powder receiving structure moves to the powder outlet and triggers touch switch, stop, so that the powder outlet automatically quantitative powder falling.

[0007] As further optimization to the above technical scheme: the powder receiving structure includes powder receiving frame, the powder receiving frame is equipped with powder receiving funnel in cooperation, the rear end of the powder receiving funnel is connected with handle, the outer side of the powder receiving frame is equipped with rack, the rack is engaged with gear in cooperation, the gear is connected with mobile powder receiving motor.

[0008] As further optimization to the above technical scheme: the touch switch is microswitch or hall switch arranged at the front end of the powder receiving funnel.

[0009] As further optimization to the above technical scheme: baffle is arranged between the extraction structure of pressing down and the powder outlet.

[0010] As a further optimization of the above technical solutions: the lower extraction structure includes a shell, the lower extraction part is arranged in the shell, an extraction drive assembly is arranged between the shell and the lower extraction part, at least two guide grooves for guiding the movement of the lower extraction part are arranged on the inner wall of the shell along the height direction of the shell, a guide column is arranged on the outer edge of the lower extraction part and cooperates with the guide groove, and the guide column is arranged in the guide groove and driven to move along the guide groove by the extraction drive assembly.

[0011] As a further optimization of the above technical solutions: the extraction drive assembly includes an extraction motor arranged on the shell, a first transmission shaft is connected to the output end of the extraction motor and inserted into the shell, a second transmission shaft is inserted into the shell near the bottom of the lower extraction part, a rotating rod is fixedly sleeved on the first transmission shaft, a pin shaft is inserted into the other end of the rotating rod, linkage plates are connected to the two ends of the pin shaft, and the other ends of the two linkage plates are fixedly sleeved on the second transmission shaft.

[0012] As a further optimization of the above technical solutions: a rotating limiting piece is fixedly sleeved on the end of the first transmission shaft away from the extraction motor, the first transmission shaft drives the rotating limiting piece to rotate synchronously, first and second limiting switches are arranged on the two sides of the rotating limiting piece, the first and second limiting switches are fixed on the shell, and the first and second limiting switches are electrically connected with the extraction motor.

[0013] As a further optimization of the above technical solutions: the bean grinding structure includes a bean grinding bin and a control unit connected to the bottom of the bean grinding bin, and the powder outlet is arranged at the bottom of the bean grinding bin.

[0014] Compared with the prior art, the utility model discloses a bean grinding structure, the output end of bean grinding structure is equipped with the powder outlet, the output end of powder outlet is equipped with the mobile powder receiving structure, the upper side of powder receiving structure is equipped with the lower extraction structure, the powder outlet is not sealed, the front end of powder receiving structure is equipped with the touch switch, and the powder receiving structure moves to the powder outlet and stops after triggering the touch switch, so that the powder outlet automatically quantifies and falls. BRIEF DESCRIPTION OF DRAWINGS

[0015] Fig. 1 It is the structure schematic diagram of the utility model.

[0016] Fig. 2 It is the structure schematic diagram of another angle of the utility model.

[0017] Fig. 3 It is the structure schematic diagram of the lower extraction structure of the utility model. DETAILED DESCRIPTION

[0018] The utility model is further described below in combination with the drawings and specific embodiments.

[0019] As Figs. 1-3 shown, an automatic extraction coffee machine with a quantitative powder falling function, comprising a bean grinding structure 1, the output end of the bean grinding structure 1 is provided with a powder outlet 2, the output end of the powder outlet 2 is provided with a moving powder receiving structure 3, the upper side of the powder receiving structure 3 is correspondingly provided with a downward pressing extraction structure 4, the powder outlet 2 is not sealed, the front end of the powder receiving structure 3 is provided with a touch switch, and the powder receiving structure 3 stops after moving to the powder outlet 2 and triggering the touch switch, so that the powder outlet 2 automatically falls powder quantitatively; the powder outlet 2 and the powder receiving device are linked and matched to automatically fall powder quantitatively based on time, so that the quality of coffee produced each time is stable, thereby providing consistent aroma and taste.

[0020] In this embodiment, the powder receiving structure 3 comprises a powder receiving frame 31, a powder receiving funnel 32 is matched and arranged on the powder receiving frame 31, a handle 33 is connected to the rear end of the powder receiving funnel 32, a rack 34 is arranged on the outer side of the powder receiving frame 31, a gear 35 is matched and engaged with the rack 34, a moving powder receiving motor 36 is connected to the gear 35, the touch switch is a microswitch or a Hall switch arranged at the front end of the powder receiving funnel 32, when receiving powder, the moving powder receiving motor 36 drives the gear 35 to rotate, drives the rack 34 to move, and simultaneously makes the powder receiving frame 31 and the powder receiving funnel 32 translate forward as a whole, so that the powder receiving funnel 32 translates to the powder outlet 2, and stops after touching the microswitch / Hall switch, the powder bin rotates to fall powder, the powder is quantitatively discharged according to the program setting time, after the powder receiving funnel 32 receives powder, the moving powder receiving motor 36 drives the gear 35 and the rack 34 to make the powder receiving frame 31 and the powder receiving funnel 32 translate backward as a whole, so that the powder receiving funnel 32 translates to the lower side of the downward pressing extraction piece 43.

[0021] In this embodiment, a baffle 42 is arranged between the downward pressing extraction structure 4 and the powder outlet 2, the baffle 42 prevents water vapor from entering the bean grinding bin 11, effectively avoids the influence of water vapor on coffee powder, and further improves the aroma and taste of coffee.

[0022] In the embodiment, the lower pressure extraction structure 4 comprises a shell 41, the lower pressure extraction piece 43 is arranged in the shell 41, the extraction driving assembly 46 is arranged between the shell 41 and the lower pressure extraction piece 43, at least two guide grooves 44 for guiding the movement of the lower pressure extraction piece 43 are arranged on the inner wall of the shell 41 along the height direction of the shell 41, the lower pressure extraction piece 43 is provided with a guide column 45 arranged along the outer edge and matched with the guide groove 44, the guide column 45 is arranged in the guide groove 44 and driven by the extraction driving assembly 46 to move along the guide groove 44, the lower end of the lower pressure extraction piece 43 is provided with a sealing ring, the extraction driving assembly 46 comprises an extraction motor 461 arranged on the shell 41, a first transmission shaft 462 is connected to the output end of the extraction motor 461 and inserted through the shell 41, a second transmission shaft 463 is inserted through the lower pressure extraction piece 43 close to the bottom, a rotating rod 464 is fixedly sleeved on the first transmission shaft 462, a pin shaft 465 is arranged at the other end of the rotating rod 464, the two ends of the pin shaft 465 are connected with linkage plates 466, the other ends of the two linkage plates 466 are fixedly sleeved on the second transmission shaft 463, when the coffee is extracted, the extraction motor 461 drives the first transmission shaft 462 to rotate, drives the rotating rod 464 and the linkage plates 466, and makes the lower pressure extraction piece 43 press downward to the powder collecting funnel 32.

[0023] In the embodiment, the one end of the first transmission shaft 462 away from the extraction motor 461 is fixedly sleeved with a rotating limiting piece 47, the first transmission shaft 462 drives the rotating limiting piece 47 to rotate synchronously, the rotating limiting piece 47 is arranged with a first limiting switch 48 and a second limiting switch 49 on the two sides respectively, the first limiting switch 48 and the second limiting switch 49 are fixed on the shell 41, the first limiting switch 48 and the second limiting switch 49 are electrically inductively connected with the extraction motor 461, when the rotating limiting piece 47 touches the first limiting switch 48, the lower pressure extraction piece 43 is pressed downward to the powder collecting funnel 32 for extraction, when the rotating limiting piece 47 touches the second limiting switch 49, the lower pressure extraction piece 43 is lifted to the position.

[0024] In the embodiment, the bean grinding structure 1 comprises a bean grinding bin 11 and a control unit 12 connected to the bottom of the bean grinding bin 11, the powder outlet 2 is arranged at the bottom of the bean grinding bin 11, when the coffee beans are ground, the coffee beans are ground into powder by the control unit 12 controlling the mutual extrusion, cutting and grinding of the grinding knives, after the powder collecting funnel 32 touches the micro switch or the Hall switch, the powder outlet 2 is opened, the coffee powder falls from the bean grinding bin 11 through the powder outlet 2, the specific structure is the same as the prior art, and will not be described here.

[0025] The working principle of the utility model is: the mobile powder receiving motor 36 drives the gear 35 to rotate, drives the rack 34 to move at the same time, makes the powder receiving frame 31, the powder receiving funnel 32 and the filter piece translate as a whole, makes the powder receiving funnel 32 translate to the powder outlet 2, stops after touching the micro switch / hall switch, the powder bin rotates to discharge powder, controls the quantitative powder discharge according to the program setting time, after the powder receiving funnel 32 finishes receiving powder, the mobile powder receiving motor 36 drives the gear 35 and the rack 34 to make the powder receiving frame 31, the powder receiving funnel 32 and the filter piece translate as a whole and retreat, makes the powder receiving funnel 32 translate to below the pressing extraction piece 43; then the extraction motor 461 drives the first transmission shaft 462 to rotate downwards, drives the rotating rod 464 to rotate downwards, pushes the linkage plate 466 to push the pressing extraction piece 43 downwards along the guide column 45 and the guide groove 44, until the bottom surface of the pressing extraction piece 43 and the coffee powder in the powder receiving funnel 32 contact and press flat, at this time, the rotating limiting piece 47 outer wall and the first limit switch 48 touch, the extraction motor 461 pauses, the water pump opens, the water passes through the bottom surface of the pressing extraction piece 43 and enters the powder receiving funnel 32, extracts the coffee powder in the powder receiving funnel 32, after the pressing extraction, the extraction motor 461 drives the first transmission shaft 462 to rotate upwards, drives the rotating rod 464 to rotate upwards, pulls the linkage plate 466 to pull the pressing extraction piece 43 upwards along the guide column 45 and the guide groove 44, until the bottom surface of the pressing extraction piece 43 separates from the powder receiving funnel 32, until the rotating limiting piece 47 outer wall and the second limit switch 49 touch, the extraction motor 461 pauses, until the pressing extraction piece 43 rises to the original state, this can take out the coffee in the powder receiving funnel 32 and process the extracted coffee residue in the powder receiving funnel 32 through the handle 33. Prepare for the next coffee making process according to the working principle.

[0026] The above detailed the preferred embodiment of the utility model. It should be understood that ordinary skilled in the art can make many modifications and changes according to the conception of the utility model without creative labor. Therefore, any technical scheme that the skilled in the art can obtain through logical analysis, reasoning or limited experiment on the basis of the prior art according to the conception of the utility model should fall within the protection scope of the utility model.

Claims

1. An automatic coffee extraction machine with a metered coffee powder dispensing function, characterized in that, The grinder structure is provided with an output powder outlet, the output end of the powder outlet is provided with a movable powder receiving structure, the upper side of the powder receiving structure is provided with a downward pressing extraction structure, the powder outlet is not sealed, the front end of the powder receiving structure is provided with a touch switch, and the powder receiving structure stops after moving to the powder outlet and triggering the touch switch, so that the powder outlet automatically and quantitatively falls powder.

2. The automatic coffee machine with the function of quantitatively dropping powder according to claim 1, characterized in that: The powder receiving structure comprises a powder receiving frame, a powder receiving funnel is matched and arranged on the powder receiving frame, a handle is connected to the rear end of the powder receiving funnel, a rack is arranged on the outer side of the powder receiving frame, a gear is matched and engaged with the rack, and a movable powder receiving motor is connected to the gear.

3. The automatic coffee machine with the function of quantitatively dropping powder according to claim 2, characterized in that: The touch switch is a microswitch or a Hall switch arranged at the front end of the powder receiving funnel.

4. The automatic coffee machine with the function of quantitatively dropping powder according to claim 1, characterized in that: A baffle is arranged between the downward pressing extraction structure and the powder outlet.

5. The automatic coffee machine with the function of quantitatively dropping powder according to claim 1, characterized in that: The downward pressing extraction structure comprises a shell, a downward pressing extraction piece is arranged in the shell, an extraction driving assembly is arranged between the shell and the downward pressing extraction piece, at least two guide grooves for guiding the movement of the downward pressing extraction piece are arranged on the inner wall of the shell along the height direction of the shell, a guide column is arranged on the outer edge of the downward pressing extraction piece and matched with the guide grooves, the guide column is arranged in the guide groove and driven to move along the guide groove by the extraction driving assembly.

6. The automatic coffee machine with the function of quantitatively dropping powder according to claim 5, characterized in that: The extraction driving assembly comprises an extraction motor arranged on the shell, a first transmission shaft is arranged in the shell and connected to the output end of the extraction motor, a second transmission shaft is arranged in the shell and connected to the downward pressing extraction piece, a rotating rod is fixedly sleeved on the first transmission shaft, a pin shaft is arranged at the other end of the rotating rod, the two ends of the pin shaft are both connected with linkage plates, and the other ends of the two linkage plates are fixedly sleeved on the second transmission shaft.

7. The automatic coffee machine with the function of quantitatively dropping powder according to claim 6, characterized in that: The other end of the first transmission shaft away from the extraction motor is fixedly sleeved with a rotating limiting piece, the first transmission shaft drives the rotating limiting piece to synchronously rotate, the rotating limiting piece is arranged with a first limiting switch and a second limiting switch on the two sides, the first limiting switch and the second limiting switch are both fixed on the shell, and the first limiting switch and the second limiting switch are both electrically connected with the extraction motor.

8. The automatic coffee machine with the function of quantitatively dropping powder according to claim 1, characterized in that: The grinder structure comprises a grinder bin and a control unit connected to the bottom of the grinder bin, and the powder outlet is arranged at the bottom of the grinder bin.

Images