Coffee dosing device

Abstract

The application discloses a coffee quantifying device, which comprises a tubular powder bin, a powder blocking structure arranged at the lower end of the powder bin, a powder outlet arranged at the lower end of the powder bin, a first baffle and a second baffle respectively arranged at the two opposite sides of the powder outlet through a first rotating shaft and a second rotating shaft, and free ends of the first baffle and the second baffle being capable of closing at the center of the powder outlet to prevent the coffee powder from falling, first gear and second gear being respectively arranged on the first rotating shaft and the second rotating shaft and being capable of intermeshing, and a powder blocking driving mechanism being drivingly connected with the first rotating shaft or the second rotating shaft to control the first baffle and the second baffle to rotate around the first rotating shaft and the second rotating shaft respectively. The application can avoid the situation that the coffee powder is adhered to the wall of the powder bin, and the accuracy of the powder weight is improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of coffee preparation, in particular to a coffee quantifying device. BACKGROUND

[0002] Coffee is one of the three major beverages in the world. With the development of China's economy, coffee has gradually become a necessity of life for people, and people's requirements for the quality of coffee are getting higher and higher. In the process of making coffee, after the coffee beans are ground, the coffee powder needs to be sent into the extraction spoon through the quantifying device. The existing coffee quantifying device contains a tubular powder bin. After the coffee powder is weighed, it falls into the extraction spoon from the powder bin. Since the powder bin is in a tubular structure, part of the coffee powder is easily adhered to the wall of the powder bin, resulting in insufficient accuracy of the weight of the coffee powder, which cannot meet the pursuit of customers for precise control of the weight. SUMMARY

[0003] The present application provides a coffee quantifying device to improve the problem of coffee powder adhering to the wall of the powder bin and improve the accuracy of the weight of the coffee powder.

[0004] To achieve the above-mentioned purpose, the present application adopts the following technical solutions:

[0005] A coffee quantifying device includes a tubular powder bin, the lower end of the powder bin is provided with a powder blocking structure, the powder blocking structure includes a first baffle, a second baffle and a powder blocking driving mechanism, the lower end of the powder bin is provided with a powder outlet, the first baffle and the second baffle are respectively installed on the two opposite sides of the powder outlet through a first rotating shaft and a second rotating shaft, and the free ends of the first baffle and the second baffle can be closed at the center of the powder outlet to prevent the coffee powder from falling, the first rotating shaft and the second rotating shaft are respectively provided with a first gear and a second gear that are engaged with each other, and the powder blocking driving mechanism is drivingly connected with the first rotating shaft or the second rotating shaft to control the first baffle and the second baffle to rotate around the first rotating shaft and the second rotating shaft, respectively. By setting the first baffle and the second baffle that are controlled by the powder blocking driving mechanism to rotate around the first rotating shaft and the second rotating shaft, respectively, at the powder outlet of the powder bin, the coffee powder in the powder bin can fall from the middle of the powder outlet, avoiding the situation that the coffee powder is adhered to the wall of the powder bin, and improving the accuracy of the weight of the coffee powder. By respectively providing the first rotating shaft and the second rotating shaft with the first gear and the second gear that are engaged with each other, the synchronous opening and closing of the first baffle and the second baffle are realized, the control accuracy is improved, and the situation that the coffee powder is accumulated on one side is avoided.

[0006] As a preferred technical solution, the powder blocking driving mechanism is a servo motor, the output end of the servo motor is provided with a driving wheel, the first rotating shaft or the second rotating shaft is provided with a transmission wheel corresponding to the driving wheel, and the driving wheel and the transmission wheel are drivingly connected through a transmission belt.

[0007] As a preferred technical scheme, the lower end of the powder bin is fixedly provided with a cover plate, the upper end of the powder outlet cylinder is fixedly connected with the cover plate through screws or bolts, and the cover plate blocks the upper side opening of the positioning groove.

[0008] As a preferred technical scheme, the lower end of the powder bin is fixedly provided with a cover plate, the upper end of the powder outlet cylinder is fixedly connected with the cover plate through screws or bolts, and the cover plate blocks the upper side opening of the positioning groove.

[0009] As a preferred technical scheme, one side of the powder outlet cylinder is provided with a servo motor mounting groove, and the servo motor is arranged in the servo motor mounting groove.

[0010] As a preferred technical scheme, the lower end of the powder bin is fixedly provided with a cover plate, the upper end of the powder outlet cylinder is fixedly connected with the cover plate through screws or bolts, and the cover plate blocks the upper side opening of the positioning groove.

[0011] As a preferred technical scheme, the servo motor mounting groove and the vibrator mounting groove have openings located on the same side, and the powder outlet cylinder is provided with a cover, which blocks the openings of the servo motor mounting groove and the vibrator mounting groove. By arranging the cover, the powder or dust can be prevented from entering the servo motor mounting groove and the vibrator mounting groove, thereby prolonging the service life of the servo motor and the vibrator.

[0012] As a preferred technical scheme, the servo motor mounting groove and the vibrator mounting groove are integrally connected with the powder outlet cylinder.

[0013] As a preferred technical scheme, the first gear and the second gear are both sector gears.

[0014] As a preferred technical scheme, the first gear and the second gear are respectively fixedly connected with the first shaft and the second shaft through screws or bolts.

[0015] Compared with the prior art, the present application has obvious advantages and beneficial effects. Specifically, by arranging the first baffle and the second baffle controlled by the powder blocking driving mechanism to be transported around the first shaft and the second shaft respectively at the powder outlet of the powder bin, the coffee powder in the powder bin can fall from the middle of the powder outlet, avoiding the situation that the coffee powder adheres to the wall of the powder bin, and improving the accuracy of the powder weight. By arranging the first gear and the second gear meshing with each other on the first shaft and the second shaft, the synchronous opening and closing of the first baffle and the second baffle is realized, the control accuracy is improved, and the situation that the coffee powder accumulates on one side is avoided. By arranging the vibrator, the coffee powder adhering to the wall of the powder bin can be made to fall by the vibration of the vibrator, further improving the accuracy of the powder weight.

[0016] In order to clarify the structural features, technical means and the specific purposes and functions achieved by the present application, the present application will be further described in detail below in conjunction with the accompanying drawings and specific embodiments: BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 is an assembled structural diagram of an embodiment of the present application;

[0018] Figure 2 is an exploded structural diagram of an embodiment of the present application;

[0019] Figure 3 is a bottom structural diagram of a powder bin of an embodiment of the present application;

[0020] Figure 4 is an internal structural diagram of a baffle of an embodiment of the present application;

[0021] BRIEF DESCRIPTION OF DRAWINGS

[0022] 10, powder bin 11, powder inlet 20, powder outlet cylinder

[0023] 21, positioning groove 22, cover plate 23, servo motor mounting groove

[0024] 24, vibrator mounting groove 25, cover 30, first baffle

[0025] 31, first rotating shaft 32, first gear 33, first arc-shaped recess

[0026] 40, second baffle 41, second rotating shaft 42, second gear

[0027] 43, second arc-shaped recess 50, servo motor 51, drive wheel

[0028] 52, transmission belt 53, transmission wheel 60, vibrator DETAILED DESCRIPTION

[0029] In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the application and simplifying the description, and do not indicate or imply that the indicated position or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0030] In the description of the present application, it should be noted that unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connection" should be understood in a broad sense, for example, can be fixed connection, can also be detachable connection, or integrally connected; can be mechanical connection, can also be electrical connection; can be directly connected, can also be indirectly connected through an intermediate medium, can be the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0031] As shown in Figures 1-4 A coffee dosing device of the present application comprises a tubular powder bin 10 and a powder outlet cylinder 20 arranged at the lower end of the powder bin 10, the lower end of the powder bin 10 is provided with a powder blocking structure, the powder blocking structure comprises a first baffle 30, a second baffle 40 and a powder blocking driving mechanism, the upper end of the powder bin 10 is provided with a powder inlet 11, and the lower end is provided with a powder outlet (not shown), the first baffle 30 and the second baffle 40 are respectively installed on the two sides opposite to the powder outlet through a first rotating shaft 31 and a second rotating shaft 41, and the free ends of the first baffle 30 and the second baffle 40 can be closed at the center of the powder outlet to prevent the coffee powder from falling, the first rotating shaft 31 and the second rotating shaft 41 are respectively provided with a first gear 32 and a second gear 42 which are engaged with each other, and the powder blocking driving mechanism is drivingly connected with the first rotating shaft 31 or the second rotating shaft 41 to control the first baffle 30 and the second baffle 40 to rotate around the first rotating shaft 31 and the second rotating shaft 41 respectively.

[0032] Specifically, the upper end of the powder outlet cylinder 20 is provided with a positioning groove 21 corresponding to the first rotating shaft 31 and the second rotating shaft 41 respectively, the first rotating shaft 31 and the second rotating shaft 41 are rotatably installed in the corresponding positioning groove 21, the lower end of the powder bin 10 is fixedly provided with a cover plate 22, the cover plate 22 is fixedly connected with the upper end of the powder outlet cylinder 20 by screws or bolts, and is blocked at the upper side opening of the positioning groove 21, and the cover plate 22 is integrally connected with the powder bin 10.

[0033] Specifically, the powder blocking driving mechanism is a servo motor 50, the output end of the servo motor 50 is provided with a driving wheel 51, the first rotating shaft 31 or the second rotating shaft 41 is provided with a transmission wheel 53 corresponding to the driving wheel 51, and the driving wheel 51 and the transmission wheel 53 are drivingly connected through a transmission belt 52. It should be understood that the powder blocking driving mechanism can also be replaced by a cylinder or a linear motor in actual use.

[0034] The vibrator 60 is arranged on one side of the powder outlet tube 20, and the vibrator 60 is arranged in the vibrator mounting groove 24.

[0035] In the present application, the first gear 32 and the second gear 42 are both sector gears, and the first gear 32 and the second gear 42 are fixedly connected with the first rotating shaft 31 and the second rotating shaft 41 respectively by screws or bolts. In the present embodiment, the first gear 32 is arranged at one end of the first rotating shaft 31, the transmission wheel 53 is arranged at the other end of the first rotating shaft 31, and the first baffle 30 and the second baffle 40 are respectively provided with the first arc-shaped recess 33 and the second arc-shaped recess 43 on the opposite sides of the first baffle 30 and the second baffle 40. When the first baffle 30 and the second baffle 40 are closed, the first arc-shaped recess 33 and the second arc-shaped recess 43 form a concave surface which is matched with the shape of the powder outlet, so that the coffee powder can slide into the concave surface after entering the powder bin 10, and the coffee powder can slide down quickly after the first baffle 30 and the second baffle 40 are opened.

[0036] In summary, the present application sets the first baffle and the second baffle which are controlled by the powder blocking driving mechanism to rotate around the first rotating shaft and the second rotating shaft respectively at the powder outlet of the powder bin, so that the coffee powder in the powder bin can fall from the middle of the powder outlet, and the situation that the coffee powder adheres to the wall of the powder bin is avoided, and the accuracy of the powder weight is improved. The first gear and the second gear which are meshed with each other are arranged on the first rotating shaft and the second rotating shaft respectively, so that the synchronous opening and closing of the first baffle and the second baffle is realized, the control accuracy is improved, and the situation that the coffee powder is accumulated on one side is avoided. The vibrator is arranged, so that the coffee powder adhered to the wall of the powder bin can fall by the vibration of the vibrator, and the accuracy of the powder weight is further improved.

[0037] The above description is only the preferred embodiment of the present application, and does not limit the present application. Any modification, equivalent replacement, improvement, etc. made according to the technical spirit of the present application to the above embodiment still belongs to the scope of the technical solution of the present application.

Claims

1. A coffee dispensing device, comprising a tubular powder hopper, characterized in that, The lower end of the powder container is provided with a powder-blocking structure, which includes a first baffle, a second baffle, and a powder-blocking driving mechanism. The lower end of the powder container is provided with a powder outlet. The first baffle and the second baffle are respectively mounted on opposite sides of the powder outlet via a first rotating shaft and a second rotating shaft. The free ends of the first baffle and the second baffle can close at the center of the powder outlet to prevent coffee powder from falling. The first rotating shaft and the second rotating shaft are respectively provided with a first gear and a second gear that mesh with each other. The powder-blocking driving mechanism is driven by the first rotating shaft or the second rotating shaft to control the first baffle and the second baffle to rotate around the first rotating shaft and the second rotating shaft, respectively. The opposite sides of the first baffle and the second baffle are respectively provided with a first arc-shaped concave portion and a second arc-shaped concave portion. When the first baffle and the second baffle are closed, the first arc-shaped concave portion and the second arc-shaped concave portion form a concave surface that matches the shape of the powder outlet.

2. The coffee dispensing device according to claim 1, characterized in that, The powder blocking drive mechanism is a servo motor. The output end of the servo motor is provided with a drive wheel. The first or second rotating shaft is provided with a transmission wheel corresponding to the drive wheel. The drive wheel and the transmission wheel are connected by a transmission belt.

3. The coffee dispensing device according to claim 2, characterized in that, It also includes a powder outlet cylinder located at the lower end of the powder hopper. The upper end of the powder outlet cylinder is provided with positioning grooves corresponding to the first rotating shaft and the second rotating shaft, respectively. The first rotating shaft and the second rotating shaft are rotatably installed in the corresponding positioning grooves.

4. The coffee dispensing device according to claim 3, characterized in that, The lower end of the powder hopper is fixedly provided with a cover plate, which is fixedly connected to the upper end of the powder discharge cylinder by screws or bolts and blocks the upper opening of the positioning groove.

5. The coffee dispensing device according to claim 3, characterized in that, The powder discharge cylinder has a servo motor mounting slot on one side, and the servo motor is located in the servo motor mounting slot.

6. The coffee dispensing device according to claim 5, characterized in that, It also includes a vibrator, and a vibrator mounting slot is provided on the powder discharge cylinder and located next to the servo motor mounting slot, and the vibrator is located in the vibrator mounting slot.

7. The coffee dispensing device according to claim 6, characterized in that, The servo motor mounting slot and the vibrator mounting slot have openings on the same side, and the powder discharge cylinder is provided with a baffle cover, which blocks the openings of the servo motor mounting slot and the vibrator mounting slot.

8. The coffee dispensing device according to claim 5, characterized in that, The servo motor mounting slot and the vibrator mounting slot are both integrally formed and connected to the powder discharge cylinder.

9. The coffee dispensing device according to claim 1, characterized in that, Both the first gear and the second gear are sector gears.

10. The coffee dispensing device according to claim 1 or 9, characterized in that, The first gear and the second gear are fixedly connected to the first shaft and the second shaft respectively by screws or bolts.

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