Powder grinding and pressing mechanism and extraction machine

Abstract

The utility model discloses a powder grinding and pressing mechanism and an extraction machine. The powder grinding and pressing mechanism comprises a main machine, an extraction hopper, a powder grinding assembly, a powder pressing head and a lifting driving assembly, the host is provided with a bearing position; the extraction hopper is detachably arranged in the bearing position; the grinding assembly is installed in the main machine, the grinding assembly is used for grinding coffee beans or tea leaves, the grinding assembly is provided with a powder outlet, and powder enters the extraction hopper through the powder outlet; the powder pressing head is installed above the bearing position, a water inlet is formed in the powder pressing head and used for introducing brewing water into the powder pressing head, and a water outlet hole is formed in the bottom end of the powder pressing head; the lifting driving assembly is connected with the powder pressing head, the lifting driving assembly is used for lifting and rotating the powder pressing head, the lifting driving assembly descends the powder pressing head, the powder pressing head is pressed into the extraction hopper, coffee powder or tea powder in the extraction hopper is flattened, and automatic powder pressing of the coffee powder is achieved; meanwhile, brewing water in the powder pressing head flows into the extraction hopper through a water outlet hole; the flour mill has the advantages of simplicity in operation and convenience in use.

Description

Technical Field

[0001] The utility model relates to the field of extraction machines, in particular to a powder grinding and pressing mechanism and an extraction machine. Background Art

[0002] When extracting coffee and tea, coffee powder or tea powder needs to be loaded into the extraction hopper and compacted by a hammer, and then the extraction hopper is connected to the brewing head. The water in the water tank is heated by a heater, and the heated hot water is pumped through the brewing head into the extraction hopper for extraction. For this purpose, a grinder that can automatically compact the coffee or tea powder in the extraction hopper is available on the market. The powder compacting mechanism compacts the coffee or tea powder in the extraction hopper. However, since the powder compacting mechanism usually occupies the space above the extraction hopper, the existing grinder cannot provide the functions of automatic grinding and adding powder, resulting in a low degree of automation of the existing coffee. Utility Model Content

[0003] The present invention aims to solve at least one of the technical problems existing in the prior art. To this end, a first embodiment of the present invention provides a grinding and compacting mechanism, comprising a main unit, an extraction hopper, a grinding assembly, a tamping head, a powder outlet channel, and a movable channel; the main unit is provided with a supporting position; the extraction hopper is removable and mountable in the supporting position; the grinding assembly is mounted in the main unit, the grinding assembly is used to grind coffee beans or tea leaves, and the grinding assembly has a powder outlet; the tamping head is mounted above the supporting position, the tamping head is used to descend and compact the coffee or tea powder in the extraction hopper; one end of the powder outlet channel is fixed to the powder outlet, and the other end of the powder outlet channel is rotatably mounted with a movable channel, the movable channel having a powder lowering end; the movable channel has a first working position and a second working position. When the movable channel moves to the first working position, the powder lowering end is located above the extraction hopper, allowing coffee powder to slide into the extraction hopper. When the movable channel moves to the second working position, the powder lowering end is away from the extraction hopper to prevent the tamping head from descending.

[0004] The utility model has at least the following beneficial effects:

[0005] When the grinder is in the grinding stage, the movable channel is in working position one, and the coffee powder ground by the grinding assembly slides into the extraction bucket through the powder outlet channel and the movable channel in sequence; when the grinder enters the powder compacting stage, the movable channel moves from working position one to working position two, so that the lower powder end deviates from the extraction bucket to avoid the tamping head from descending, so that the grinder can realize automatic powder adding and powder compacting at the same time.

[0006] According to some embodiments of the present invention, it also includes a first drive motor, a rotating shaft is installed between the powder outlet channel and the movable channel, a driven column is provided on the movable channel, a drive rod is connected to the motor shaft of the first drive motor, an opening position is provided at the end of the drive rod, and the opening position is sleeved on the driven column. The first drive motor drives the drive rod to rotate, and the drive rod drives the movable channel to rotate around the rotating shaft through the driven column.

[0007] According to some embodiments of the present invention, a rotating shaft is installed between the powder outlet channel and the movable channel, and the rotating shaft is connected to a second drive motor. The second drive motor is used to drive the rotating shaft to rotate, and the movable channel rotates around the rotating shaft, so that the movable channel swings back and forth between working position one and working position two.

[0008] According to some embodiments of the present invention, the movable channel is connected to an electromagnet, and the electromagnet is used to swing the movable channel back and forth between the first working position and the second working position.

[0009] According to some embodiments of the present invention, a rotating shaft is installed between the powder outlet channel and the movable channel, and an elastic member is installed on the rotating shaft. When the powder pressing head is lowered, it can drive the movable channel to overcome the elastic force of the elastic member and move from working position one to working position two. When the powder pressing head rises, the elastic member is used to reset the movable channel located at working position two back to working position one.

[0010] According to some embodiments of the present invention, the powder pressing head is connected to a lifting drive assembly, which includes a sleeve screw and a nut. The powder pressing head is arranged inside the sleeve screw, and the nut is sleeved on the sleeve screw, and the nut is transmission-connected to the second drive motor.

[0011] The second aspect of the present invention provides an extraction machine, comprising the above-mentioned grinding and pressing mechanism, wherein a water inlet is provided in the pressing head, and the water inlet is used to introduce brewing water into the pressing head. A water outlet is provided at the bottom end of the pressing head, and the brewing water in the pressing head flows into the extraction bucket through the water outlet.

[0012] According to some embodiments of the present invention, a shower piece is installed at the bottom end of the powder pressing head, and a plurality of water outlet holes are opened on the shower piece.

[0013] According to some embodiments of the present invention, a sealing member is installed at the bottom end of the powder pressing head, and the sealing member cooperates with the upper end of the extraction bucket to form a seal.

[0014] According to some embodiments of the present invention, the main unit is equipped with a sensor, the sensor is facing the carrying position, and the sensor is used to sense whether the extraction bucket is loaded into the carrying position.

[0015] According to some embodiments of the present invention, bearing chutes are symmetrically provided in the bearing position, and bearing slide bars are symmetrically provided on the outer wall of the extraction hopper, and the bearing slide bars are slidably inserted into the bearing chutes.

[0016] The utility model has at least the following beneficial effects:

[0017] The lifting drive assembly lowers the powder pressing head, presses the powder pressing head into the extraction bucket, flattens the coffee powder or tea powder in the extraction bucket, realizes automatic powder pressing of the coffee powder, and at the same time seals the inner cavity of the extraction bucket through the powder pressing head, realizes automatic sealing installation of the extraction bucket; at the same time, the brewing water in the powder pressing head flows into the extraction bucket through the water outlet hole to extract the coffee, which makes the grinder have the advantages of simple operation and easy use.

[0018] Additional aspects and advantages of the present invention will be given in part in the following description and will become apparent from the following description or learned through practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The above and / or additional aspects and advantages of the present invention will become apparent and readily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0020] Figure 1 This is a schematic cross-sectional view of an embodiment of the present invention. Figure 1 ;

[0021] Figure 2 It is an overall schematic diagram of an embodiment of the utility model;

[0022] Figure 3 This is a schematic diagram of the movable channel in the working position according to an embodiment of the present utility model;

[0023] Figure 4 This is a schematic diagram of the movable channel in the second working position according to an embodiment of the present utility model;

[0024] Figure 5 This is a schematic cross-sectional view of an embodiment of the present invention. Figure 2 ;

[0025] Figure 6 for Figure 5 A is an enlarged schematic diagram;

[0026] Figure 7 A schematic diagram of a driving method for an active channel according to an embodiment of the present invention Figure 1 ;

[0027] Figure 8 A schematic diagram of a driving method for an active channel according to an embodiment of the present invention Figure 2 ;

[0028] Figure 9 This is a schematic diagram of a second driving method of the active channel according to an embodiment of the present utility model;

[0029] Figure 10 This is a third schematic diagram of the active channel driving method of an embodiment of the present utility model;

[0030] Figure 11 Schematic diagram of the fourth embodiment of the active channel driving method of the present invention. DETAILED DESCRIPTION

[0031] The following describes in detail embodiments of the present invention. Examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended only to explain the present invention and are not to be construed as limiting the present invention.

[0032] Reference Figures 1 to 4 , a grinding and pressing mechanism, comprising a main unit 100, an extraction hopper 200, a grinding assembly 300, a powder pressing head 400, a powder outlet channel 600, and a movable channel 700. The main unit 100 is provided with a carrying position 101; the extraction hopper 200 can be disassembled and assembled in the carrying position 101; the grinding assembly 300 is installed in the main unit 100, and the grinding assembly 300 is used to grind coffee beans or tea leaves, and the grinding assembly 300 is provided with a powder outlet 301; the powder pressing head 400 is installed above the carrying position 101, and the powder pressing head 400 is used to descend and press the coffee powder or tea powder in the extraction hopper 200; one end of the powder outlet channel 600 is fixed at the powder outlet 301, and the other end of the powder outlet channel 600 is rotatably provided with a movable channel 700, and the movable channel 700 is provided with a powder lowering end 710; one end of the powder outlet channel 600 is installed at the powder outlet 301, and the other end of the powder outlet channel 600 is rotatably equipped with a rotating shaft 610, and the rotating shaft 610 is connected to the movable channel 700, and the movable channel 700 is provided with a powder lowering end 710; the movable channel 700 has working position one and working position two. When the movable channel 700 moves to working position one, the powder lowering end 710 is located above the extraction bucket 200, which facilitates the entry of coffee powder into the extraction bucket 200, and when the movable channel 700 moves to working position two, the powder lowering end 710 deviates from the extraction bucket 200, and the powder lowering end 710 deviates from the extraction bucket to avoid the tamping head from descending, so that the grinder can simultaneously realize automatic powder adding and tamping.

[0033] At the same time, when the movable channel 700 moves to the second working position, the powder lower end 710 deviates from the extraction bucket 200, reducing the steam from entering the grinding assembly 300 through the powder outlet channel 600 and affecting the operation of the grinding assembly 300.

[0034] The active channel 700 adopts three driving modes:

[0035] Reference Figure 7 As shown, driving mode 1: a rotating shaft 610 is installed between the powder outlet channel 600 and the movable channel 700, and an elastic member 640 is installed on the rotating shaft 610. When the powder pressing head 400 is lowered, it can drive the movable channel 700 to overcome the elastic force of the elastic member 640 and move from working position 1 to working position 2. When the powder pressing head 400 rises, the elastic member 640 is used to reset the movable channel 700 located at working position 2 to working position 1.

[0036] Reference Figure 8 、 9 As shown, driving mode 2: a rotating shaft 610 is installed between the powder outlet channel 600 and the movable channel 700, a driven column 720 is provided on the movable channel 700, a driving rod 621 is connected to the motor shaft of the first driving motor 620, an opening position 622 is provided at the end of the driving rod 621, and the opening position 622 is sleeved on the driven column 720. The first driving motor 620 drives the driving rod 621 to rotate, and the driving rod 621 drives the movable channel 700 to rotate around the rotating shaft 610 through the driven column 720, so that the movable channel 700 moves back and forth between working position 1 and working position 2.

[0037] Reference Figure 10 As shown, driving mode three: the movable channel 700 is connected to the electromagnet 630. Before the powder pressing head 400 descends through the lifting drive assembly 500, the electromagnet 630 magnetically attracts the movable channel 700, so that the movable channel 700 moves to the working position two, so that the movable channel 700 avoids the descending path of the powder pressing head 400; when the powder pressing head 400 rises through the lifting drive assembly 500, the electromagnet 630 releases the magnetic attraction to the movable channel 700, and resets the movable channel 700 to the working position one.

[0038] Reference Figure 11 As shown, driving mode four: a rotating shaft 610 is installed between the powder outlet channel 600 and the movable channel 700, and the rotating shaft 610 is connected to the second driving motor 650. The second driving motor 650 is used to drive the rotating shaft 610 to rotate, and the movable channel 700 rotates around the rotating shaft 610, so that the movable channel 700 swings back and forth between working position 1 and working position 2.

[0039] Reference Figure 5As shown, the lifting drive assembly 500 includes a sleeve screw 510 and a nut 520. The sleeve screw 510 is provided with a powder pressing head 400. The nut 520 is mounted on the sleeve screw 510. The nut 520 is engaged with a first gear 530. The first gear 530 is engaged with a second gear 540. The second gear 540 is mounted on a third drive motor 550. The third drive motor 550 drives the second gear 540. The second gear 540 drives the first gear 530. The first gear 530 drives the nut 520 to rotate. The sleeve screw 510 moves downward or upward according to the rotation direction of the nut 520, thereby realizing the lifting and rotating of the powder pressing head 400.

[0040] Reference Figure 6 As shown, the second embodiment of the present invention provides an extraction machine, including the above-mentioned grinding and pressing mechanism, including the above-mentioned extraction machine, including the above-mentioned grinding and pressing mechanism, wherein a shower piece 410 is installed at the bottom end of the tamping head 400, and a plurality of water outlet holes 402 are opened on the shower piece 410 to ensure that the high-pressure hot water is evenly distributed in the extraction bucket 200, thereby improving the extraction effect of coffee.

[0041] In order to further improve the sealing performance, a sealing member 420 is installed at the bottom end of the powder pressing head 400, and the sealing member 420 cooperates with the upper end of the extraction bucket 200 to form a seal.

[0042] Reference Figure 1 As shown, a sensor 102 is installed on the main body 100 , and the sensor 102 faces the supporting position 101 . The sensor 102 is used to sense whether an extraction funnel 200 is provided in the supporting position 101 .

[0043] Reference Figure 1 As shown, a carrying chute 110 is symmetrically provided in the carrying position 101 , and a carrying slide 210 is symmetrically provided on the outer wall of the extraction bucket 200 . The carrying slide 210 is slidably inserted into the carrying chute 110 to enable the extraction bucket 200 to be installed in the carrying position 101 .

[0044] The embodiments of the present invention are described in detail above with reference to the accompanying drawings. However, the present invention is not limited to the above embodiments. Various changes can be made within the knowledge of ordinary technicians in the technical field without departing from the purpose of the present invention.

Claims

1. A powder grinding and pressing mechanism, characterized in that: include: A host (100), wherein the host (100) is provided with a bearing position (101); An extraction bucket (200), the extraction bucket (200) being detachable and installable in the carrying position (101); a grinding assembly (300), the grinding assembly (300) being installed in the main machine (100), the grinding assembly (300) being used for grinding coffee beans or tea leaves, and the grinding assembly (300) being provided with a powder outlet (301); a powder pressing head (400), the powder pressing head (400) being installed above the bearing position (101), the powder pressing head (400) being used to descend and press the coffee powder or tea powder in the extraction hopper (200), the powder pressing head (400) being connected to a lifting drive assembly (500); A powder outlet channel (600), one end of the powder outlet channel (600) is fixed to the powder outlet (301), and the other end of the powder outlet channel (600) is rotatably provided with a movable channel (700), and the movable channel (700) is provided with a powder lowering end (710); The movable channel (700) has a first working position and a second working position. When the movable channel (700) moves to the first working position, the powder lowering end (710) is located above the extraction bucket (200), allowing coffee powder or tea powder to slide into the extraction bucket (200). When the movable channel (700) moves to the second working position, the powder lowering end (710) deviates from the extraction bucket (200) to avoid the tamping head (400) from descending.

2. A powder grinding and pressing mechanism according to claim 1, characterized in that: The invention also includes a first driving motor (620), a rotating shaft (610) is installed between the powder outlet channel (600) and the movable channel (700), a driven column (720) is provided on the movable channel (700), a driving rod (621) is connected to the motor shaft of the first driving motor (620), an opening position (622) is provided at the end of the driving rod (621), and the opening position (622) is sleeved on the driven column (720), the first driving motor (620) drives the driving rod (621) to rotate, and the driving rod (621) drives the movable channel (700) to rotate around the rotating shaft (610) through the driven column (720).

3. A powder grinding and pressing mechanism according to claim 1, characterized in that: A rotating shaft (610) is installed between the powder outlet channel (600) and the movable channel (700), and the rotating shaft (610) is connected to a second drive motor (650). The second drive motor (650) is used to drive the rotating shaft (610) to rotate, and the movable channel (700) rotates around the rotating shaft (610), so that the movable channel (700) swings back and forth between the first working position and the second working position.

4. A powder grinding and pressing mechanism according to claim 1, characterized in that: The movable channel (700) is connected to an electromagnet (630), and the electromagnet (630) is used to magnetically attract the movable channel (700). The electromagnet (630) magnetically attracts the movable channel (700), so that the movable channel (700) moves to the second working position to avoid the descending path of the powder pressing head (400).

5. A powder grinding and pressing mechanism according to claim 1, characterized in that: A rotating shaft (610) is installed between the powder outlet channel (600) and the movable channel (700), and an elastic member (640) is installed on the rotating shaft (610). When the powder pressing head (400) is lowered, it can drive the movable channel (700) to overcome the elastic force of the elastic member (640) and move from working position one to working position two. When the powder pressing head (400) is raised, the elastic member (640) is used to reset the movable channel (700) located at working position two back to working position one.

6. A powder grinding and pressing mechanism according to any one of claims 1 to 5, characterized in that: The lifting drive assembly (500) comprises a sleeve screw (510), a nut (520), and a third drive motor (550); the powder pressing head (400) is provided in the sleeve screw (510); the nut (520) is sleeved on the sleeve screw (510); and the nut (520) is in driving connection with the third drive motor (550).

7. An extraction machine, characterized in that: The invention comprises a powder grinding and powder pressing mechanism according to any one of claims 1 to 5, wherein a water inlet (401) is provided in the powder pressing head (400), and the water inlet (401) is used to introduce brewing water into the powder pressing head (400); a water outlet (402) is provided at the bottom end of the powder pressing head (400), and the brewing water in the powder pressing head (400) flows into the extraction bucket (200) through the water outlet (402).

8. An extraction machine according to claim 7, characterized in that: A shower piece (410) is installed at the bottom end of the powder pressing head (400), and a plurality of water outlet holes (402) are opened on the shower piece (410).

9. An extraction machine according to claim 7, characterized in that: The bottom end of the powder pressing head (400) is provided with a sealing member (420), and the sealing member (420) cooperates with the upper end of the extraction hopper (200) to seal.

10. An extraction machine according to claim 7, characterized in that: The host (100) is equipped with a sensor (102), the sensor (102) faces the carrying position (101), and the sensor (102) is used to sense whether the extraction bucket (200) is loaded into the carrying position (101).

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