Automatic milk making machine

Abstract

An automatic milk-making machine comprises a milk powder cup, a mixing bin and a water supply assembly, wherein the mixing bin is installed at the bottom of the milk powder cup, the water supply assembly is connected to the mixing bin, a driving component, a lifting component and a powder sweeping component are arranged in the milk powder cup, the lifting component comprises a rotating shaft and a lifting rod assembly, the driving component is connected to the rotating shaft by driving, the rotating shaft is movably connected to the lifting rod assembly, the powder sweeping component is sleeved on the outer periphery of the lifting rod assembly, a powder outlet is arranged at the bottom of the milk powder cup, the inside of the milk powder cup is connected to the inside of the mixing bin through the powder outlet, the bottom of the lifting rod assembly extends into the mixing bin after passing through the powder outlet, and a sealing ring is arranged at the bottom of the lifting rod assembly. The automatic milk-making machine of the present invention can realize the control of the amount of powder discharged, ensure that the accurate amount of milk powder enters the mixing bin, after milk-making, the sealing ring installed on the lower lifting rod is interference fit with the powder outlet of the milk powder cup, and the milk powder in the milk powder cup can be effectively sealed, and at the same time, a water pump can spray water to clean the powder outlet by atomization.

Description

Technical Field

[0001] The present invention relates to the technical field of maternal and infant products, and in particular to an automatic milk making machine. Background Art

[0002] Chinese patent document number CN110623547A disclosed a portable milk making machine on December 31, 2019, including a powder storage bottle and a heating base, the heating base is arranged at the lower end of the powder storage bottle, a powder storage chamber is formed inside the powder storage bottle, a quantitative powder discharge mechanism is arranged in the powder storage chamber, a powder outlet is arranged at the top of the powder storage bottle, the quantitative powder discharge mechanism includes a powder inlet baffle and a powder outlet baffle, a fixed powder amount area is rotatably arranged between the powder inlet baffle and the powder outlet baffle, the powder inlet baffle is provided with a first outlet, the powder outlet baffle is provided with a second outlet, a valve stem for driving the fixed powder amount area to rotate is arranged in the powder storage chamber, and a knob assembly for driving the valve stem to rotate is arranged at the bottom of the powder storage bottle. This milk making machine has inaccurate control of the amount of powder when making milk, and a small amount of milk powder remains at the powder outlet after making milk, which is difficult to clean and affects the powder discharge of the next milk making.

[0003] Therefore, further improvements are necessary. Summary of the invention

[0004] The purpose of the present invention is to provide an automatic milk making machine with simple structure, precise powder amount control, good sealing performance, easy to clean powder outlet and strong practicality, so as to overcome the shortcomings of the prior art.

[0005] An automatic milk making machine designed for this purpose includes a milk powder cup, characterized in that it also includes a mixing bin and a water supply component, the mixing bin is installed at the bottom of the milk powder cup, the water supply component is connected to the mixing bin, a driving component, a lifting component and a powder sweeping component are arranged in the milk powder cup, the lifting component includes a rotating shaft and a lifting rod component, the driving component is connected to the rotating shaft in a driving manner, the rotating shaft is movably connected to the lifting rod component, the powder sweeping component is sleeved on the outer periphery of the lifting rod component, a powder outlet is arranged at the bottom of the milk powder cup, the interior of the milk powder cup is connected to the interior of the mixing bin through the powder outlet, the bottom of the lifting rod component passes through the powder outlet and extends into the mixing bin, and a sealing ring is arranged at the bottom of the lifting rod component; automatic When the milk making machine is working, the driving component drives the rotating shaft to rotate at a constant speed, and the rotating shaft drives the lifting rod assembly to rise when rotating to open the powder outlet. When the lifting rod assembly rises to the maximum stroke, the rotating shaft drives the lifting rod assembly to rotate, and the powder sweeping component rotates with the rotation of the lifting rod assembly to stir the milk powder in the milk powder cup and make the milk powder fall into the mixing bin. At the same time, the water supply component transports hot water of a set temperature into the mixing bin, and the milk powder and water are mixed and stirred in the mixing bin to realize automatic milk making. After the milk making is completed, the driving component drives the rotating shaft to rotate in the opposite direction to make the lifting rod assembly descend. When the lifting rod assembly descends to the maximum stroke, the sealing ring is interference fit with the side wall of the powder outlet to close the powder outlet.

[0006] The milk powder cup comprises a cup body and an upper cover, wherein the upper cover covers the top opening of the cup body, the mixing bin is installed at the bottom of the cup body, the powder outlet is arranged at the bottom of the cup body, a fixing frame is installed in the cup body, a guide column is arranged at the bottom of the fixing frame, a convex rib is arranged in the cup body, the guide column is inserted into the convex rib, the bottom of the fixing frame is supported on the convex rib, a limiting edge is arranged on the circumferential side of the bottom of the upper cover, the limiting edge contacts the top of the fixing frame, and the rotating shaft passes through the fixing frame and is connected to the driving component.

[0007] The lifting rod assembly includes an upper lifting rod and a lower lifting rod. The rotating shaft is provided with an external thread, and the upper lifting rod is provided with an internal thread. The rotating shaft is relatively movably installed inside the upper lifting rod through the cooperation of the external thread and the internal thread. The shape of the upper lifting rod is waist-shaped, and a waist-shaped socket is provided on the top of the lower lifting rod, and the bottom of the upper lifting rod is inserted into the socket.

[0008] A first through hole is provided at the bottom of the upper lifting rod, a second through hole is provided at the top of the lower lifting rod corresponding to the first through hole, and a fastener passes through the first through hole and the second through hole at the same time to connect the upper lifting rod and the lower lifting rod.

[0009] The powder sweeping component is a powder sweeping shaft, and a powder scraping plate is arranged in a ring around the powder sweeping shaft, the powder scraping plate is close to the inner wall of the cup body, and a propeller is arranged at the bottom of the powder sweeping shaft, the edge of the propeller is close to the inner wall of the cup body, and the propeller is located below the powder scraping plate and close to the powder outlet.

[0010] The interior of the powder sweeping shaft is provided with a third through hole and a fourth through hole which are interconnected, and the third through hole and the fourth through hole form a stepped shape, a part of the upper lifting rod is arranged in the third through hole, and another part is arranged in the fourth through hole, and the upper lifting rod is movably arranged between the third through hole and the fourth through hole, and the lower lifting rod is movably arranged in the fourth through hole, and the shape of the third through hole is waist-shaped.

[0011] The fixing frame is located above the powder sweeping shaft, and the outer peripheral sleeve of the rotating shaft is provided with a first clamping ring, a second clamping ring and a gasket, the first clamping ring is arranged between the top wall of the upper lifting rod and the inner top wall of the third through hole, the gasket and the second clamping ring are arranged up and down, and the gasket and the second clamping ring are arranged between the bottom wall of the fixing frame and the top wall of the powder sweeping shaft.

[0012] The driving component is a motor, an upper connector is sleeved on the output shaft of the motor, a lower connector is installed on the bottom of the upper connector, the bottom of the lower connector is inserted into a fixed frame, the top of the rotating shaft passes through the fixed frame, the bottom of the lower connector is sleeved on the top periphery of the rotating shaft, and the lower connector is connected to the rotating shaft.

[0013] A motor cover is installed at the bottom of the upper cover, the motor is arranged in the space enclosed by the upper cover and the motor cover, the motor is fixed on the upper cover, the upper connector is located at the bottom of the motor and passes through the motor cover, and the lower connector is located below the motor cover; a sealing member is arranged between the upper cover and the cup body.

[0014] The water supply assembly comprises a water tank, a water pump and a heating plate. The water tank is connected to the water pump through a water pipe, the water pump is connected to the mixing bin through a water pipe, and the heating plate is arranged at the bottom of the water tank.

[0015] The automatic milk making machine of the present invention drives the rotating shaft to rotate at a constant speed through a motor, so that the lifting rod assembly rises and opens the powder outlet. When the lifting rod assembly rotates, it drives the powder sweeping shaft to rotate. The milk powder flows to the propeller position under its own gravity and the stirring action of the powder scraper plate. As the propeller rotates at a constant speed, the milk powder flows evenly into the mixing bin from the powder outlet. Since the powder sweeping shaft rotates at a constant speed, the speed at which the milk powder flows out is fixed. The amount of powder discharged can be controlled by controlling the rotation time of the motor to ensure that an accurate amount of milk powder enters the mixing bin. After the milk making is completed, the driving component drives the rotating shaft to rotate in the opposite direction to make the lifting rod assembly descend. When it descends to the maximum stroke, the sealing ring installed on the lower lifting rod is interference-fitted with the powder outlet of the milk powder cup, so that the milk powder in the milk powder cup can be effectively sealed. At the same time, the water pump can perform atomized water spraying cleaning on the mixing bin, and the milk powder remaining at the bottom of the lower lifting rod, the powder outlet and the inner wall of the mixing bin are washed away, so as to realize simple cleaning. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a cross-sectional view of the milk making machine in the powder adding state according to one embodiment of the present invention.

[0017] Figure 2 It is a cross-sectional view of the milk making machine in a sealed state according to one embodiment of the present invention.

[0018] Figure 3 The figure is an exploded view of a milk making machine according to an embodiment of the present invention.

[0019] Figure 4 2 is a cross-sectional view of a powder sweeping shaft in one embodiment of the present invention.

[0020] Figure 5 It is a front view of an upper lifting rod in one embodiment of the present invention.

[0021] Figure 6 The figure is a schematic diagram of the overall structure of the upper lifting rod in one embodiment of the present invention.

[0022] Figure 7 It is a front view of a rotating shaft in one embodiment of the present invention.

[0023] Figure 8 It is a front view of the lower lifting rod in one embodiment of the present invention.

[0024] Fig. 9 Schematic diagram of the overall structure of the lower lifting rod in one embodiment of the present invention.

[0025] Fig.10 FIG. 1 is a top view of a lower lifting rod in one embodiment of the present invention.

[0026] Fig.11 2 is a cross-sectional view of an upper lifting rod in one embodiment of the present invention.

[0027] Fig.12 2 is a cross-sectional view of a lower lifting rod in one embodiment of the present invention. DETAILED DESCRIPTION

[0028] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0029] See also Figure 1-Figure 12 The automatic milk making machine comprises a milk powder cup 1, a mixing bin 2 and a water supply assembly. The mixing bin 2 is installed at the bottom of the milk powder cup 1, and the water supply assembly is connected to the mixing bin 2. A driving component, a lifting component and a powder sweeping component are arranged in the milk powder cup 1. The lifting component comprises a rotating shaft 3 and a lifting rod assembly. The driving component is drivingly connected to the rotating shaft 3, and the rotating shaft 3 is movably connected to the lifting rod assembly. The powder sweeping component is sleeved on the outer periphery of the lifting rod assembly. A powder outlet 5.1 is arranged at the bottom of the milk powder cup 1. The interior 1 of the milk powder cup is connected with the interior of the mixing bin 2 through the powder outlet 5.1. The bottom of the lifting rod assembly passes through the powder outlet 5.1 and extends into the mixing bin 2. A sealing ring 4 is arranged at the bottom of the lifting rod assembly.

[0030] The milk powder cup 1 comprises a cup body 5 and an upper cover 6, the upper cover 6 covers the top opening of the cup body 5, the mixing bin 2 is mounted at the bottom of the cup body 5, the powder outlet 5.1 is arranged at the bottom of the cup body 5, a triangular fixing frame 7 is mounted in the cup body 5, a guide column 7.1 is arranged at the bottom of the fixing frame 7, a convex rib 5.2 is arranged in the cup body 5, the guide column 7.1 is inserted into the convex rib 5.2, the bottom of the fixing frame 7 is supported on the convex rib 5.2, a limiting edge 6.1 is arranged at the bottom circumference of the upper cover 6, the limiting edge 6.1 contacts the top of the fixing frame 7, the rotating shaft 3 passes through the fixing frame 7 and is connected to the driving component; the upper surface of the convex rib 5.2 can support the bottom of the fixing frame 7 and prevent the fixing frame 7 from moving downward, and the limiting edge 6.1 can prevent the fixing frame 7 from moving upward, so that the fixing frame 7 is firmly fixed in the cup body 5, and the fixing frame 7 is used to fix the lifting assembly and the powder sweeping component.

[0031] The lifting rod assembly comprises an upper lifting rod 8 and a lower lifting rod 9. The outer periphery of the bottom of the rotating shaft 3 is provided with an external thread 3.1, and the upper lifting rod 8 is provided with an internal thread 8.1. The pitch of the external thread 3.1 and the internal thread 8.1 are the same. The rotating shaft 3 is relatively movably installed inside the upper lifting rod 8 through the cooperation of the external thread 3.1 and the internal thread 8.1. The top of the external thread 3.1 is provided with an upper end face 3.4, and the bottom is provided with a lower end face 3.5. The top of the internal thread 8.1 is provided with an internal thread end face 8.3, and the top of the lower lifting rod 9 is provided with a retaining rib 9.3; according to the principle of spiral transmission, when the rotating shaft 3 rotates clockwise, the lifting rod assembly is driven to rise. When the lifting rod assembly rises to the highest point of the stroke, the lower end face 3.5 touches the retaining rib 9.3 to stop the movement of the lifting rod assembly. When the rotating shaft 3 rotates counterclockwise, the lifting rod assembly is driven to descend. When the lifting rod assembly descends to the lowest point of the stroke, the upper end face 3.4 touches the internal thread end face 8.3 to stop the movement of the lifting rod assembly, thus forming a lifting cycle.

[0032] The upper lifting rod 8 is waist-shaped, and a waist-shaped socket 9.1 is provided at the top of the lower lifting rod 9. The bottom of the upper lifting rod 8 is inserted into the socket 9.1. A first through hole 8.2 is provided at the bottom of the upper lifting rod 8. A second through hole 9.2 is provided at the top of the lower lifting rod 9 corresponding to the first through hole 8.2. The pin shaft 24 passes through the first through hole 8.2 and the second through hole 9.2 at the same time to connect the upper lifting rod 8 and the lower lifting rod 9.

[0033] The powder sweeping component is a powder sweeping shaft 10, and a powder scraping plate 10.1 is arranged in a ring shape around the powder sweeping shaft 10. The powder scraping plate 10.1 is close to the inner wall of the cup body 5. A propeller 10.2 is arranged at the bottom of the powder sweeping shaft 10. The edge of the propeller 10.2 is close to the inner wall of the cup body 5. The propeller 10.2 is located below the powder scraping plate 10.1 and close to the powder outlet 5.1. The powder scraping plate 10.1 and the propeller 10.2 are used to stir the milk powder in the cup body 5. A fixed powder storage space is formed between the propeller 10.2 and the inner wall of the cup body 5. As the propeller 10.2 rotates clockwise, the milk powder flows out of the powder outlet 5.1 evenly.

[0034] The interior of the powder sweeping shaft 10 is provided with a third through hole 10.3 and a fourth through hole 10.4 which are interconnected. The third through hole 10.3 and the fourth through hole 10.4 form a step shape. A part of the upper lifting rod 8 is arranged in the third through hole 10.3, and another part is arranged in the fourth through hole 10.4, and is movably arranged between the third through hole 10.3 and the fourth through hole 10.4. The lower lifting rod 9 is movably arranged in the fourth through hole 10.4. The shape of the third through hole 10.3 is waist-shaped. Since the shapes of the third through hole 10.3 and the upper lifting rod 8 are both waist-shaped, the powder sweeping shaft 10 can be driven to rotate when the upper lifting rod 8 rotates.

[0035] The fixing frame 7 is located above the powder sweeping shaft 10, a first snap ring 11 is sleeved on the lower groove 3.2 on the outer periphery of the rotating shaft 3, a second snap ring 12 is sleeved on the upper groove 3.3 on the outer periphery of the rotating shaft 3, a gasket 13 is sleeved on the outer periphery of the rotating shaft 3, the first snap ring 11 is arranged between the top wall of the upper lifting rod 8 and the inner top wall of the third through hole 10.3, the gasket 13 and the second snap ring 12 are arranged up and down, and the gasket 13 and the second snap ring 12 are arranged between the bottom wall of the fixing frame 7 and the top wall of the powder sweeping shaft 10; the first snap ring 11, the second snap ring 12 and the gasket 13 can prevent the rotating shaft 3 and the powder sweeping shaft 10 from axial movement.

[0036] The driving component is a forward and reverse motor 14, and an upper connector 15 is sleeved on the output shaft of the motor 14. The upper connector 15 is fixed to the output shaft of the motor 14 by screws. A lower connector 16 is installed at the bottom of the upper connector 15. The bottom of the lower connector 16 is inserted into the fixing frame 7. The top of the rotating shaft 3 passes through the fixing frame 7. The bottom of the lower connector 16 is sleeved on the top periphery of the rotating shaft 3, and the lower connector 16 is connected to the rotating shaft 3 by screws with screw caps 23.

[0037] A motor cover 17 is installed at the bottom of the upper cover 6, and the motor cover 17 is fixed to the upper cover 6 by screws. The motor 14 is arranged in the space enclosed by the upper cover 6 and the motor cover 17. The motor cover 17 is used to cover and protect the motor 14. The motor 14 is fixed to the screw column of the upper cover 6 by screws. The upper connector 15 is located at the bottom of the motor 14 and passes through the motor cover 17. The lower connector 16 is located below the motor cover 17; a seal 18 is arranged between the upper cover 6 and the cup body 5, and the seal 18 is a sealing ring.

[0038] The water supply assembly includes a water tank 19, a water pump 20 and a heating plate 21. The water tank 19 is connected to the water pump 20 through a water pipe 22, and the water pump 20 is connected to the mixing chamber 2 through the water pipe 22. The heating plate 21 is arranged at the bottom of the water tank 19. The heating plate 21 is used to heat the water in the water tank 19. The water pump 20 can pump the water in the water tank 19 into the mixing chamber 2.

[0039] Installation process of automatic milk making machine:

[0040] 1. First, insert the seal 18 into the groove of the upper cover 6, fix the motor 14 on the screw column of the upper cover 6 by screws, and then fix the motor cover 17 on the upper cover 6 by screwing to cover the motor 14, insert the upper connector 15 into the output shaft of the motor 14, and then fix it with screws;

[0041] 2. Use a hexagonal wrench to screw the shaft 3 from the bottom of the upper lifting rod 8, then put the shaft 3 and the upper lifting rod 8 into the lower lifting rod 9 as a whole, insert the pin 24, so that the shaft 3 and the lifting rod assembly become one part, then install the first clamping ring 11 into the lower groove 3.2 of the shaft 3 to limit the axial movement of the whole part, put the lifting assembly into the powder sweeping shaft 10, install the second clamping ring 12 and the gasket 13 in the upper groove 3.3 of the shaft 3, then pass through the fixing frame 7, put the lower connector 16 into the upper end of the shaft 3 and fix it with screws, at this time the lifting assembly, the powder sweeping shaft 10, the fixing frame 7, and the lower connector 16 become a whole;

[0042] 3. Place the fixing frame 7 into the cup body 5, pour the milk powder into the cup body 5, buckle the upper cover 6, connect the power supply of the motor 14, and the automatic milk making machine can start working.

[0043] Working process of automatic milk making machine:

[0044] When the motor 14 rotates clockwise at a constant speed, the upper connector 15 and the lower connector 16 drive the rotating shaft 3 to rotate clockwise, and the lifting rod assembly then moves upward. When it rises to the maximum stroke and the motor 14 continues to rotate clockwise at a constant speed, the rotating shaft 3 drives the lifting rod assembly to rotate. Since the powder sweeping shaft 10 and the upper lifting rod 8 are waist-shaped structures, the powder sweeping shaft 10 rotates clockwise at a constant speed with the rotation of the lifting rod assembly, and the powder scraper 10.1 on the powder sweeping shaft 10 begins to stir the milk powder in the cup body 5 in a clockwise direction. Due to its own gravity and the stirring of the powder scraper 10.1, the milk powder continues to flow to the position of the propeller 10.2 below the powder sweeping shaft 10 and fills the propeller 10.2. As the propeller 10.2 rotates clockwise at a constant speed, the milk powder flows into the mixing bin 2 at a constant speed from the powder outlet 5.1 at the bottom of the cup body 5 (the amount of powder discharged can be accurately controlled by controlling the clockwise rotation time of the motor 14). The flow direction of the milk powder is as follows: Figure 1 As shown by the solid arrow, while the milk powder flows out of the cup body 5 evenly, the water pump 20 will pump water from the water tank 19 and flush it into the mixing chamber 2 according to the milk powder concentration and water temperature requirements set by the user ( Figure 1 and Figure 2The direction of the dotted arrow is the direction of water flow, and the heating plate 21 heats the water in the water tank 19 according to the water temperature requirement set by the user), the milk powder and water are mixed together in the mixing bin 2, and flow out from the bottom of the mixing bin 2, thus completing the whole process of automatic milk making; when the milk making is completed, the motor 14 starts to rotate counterclockwise, and drives the rotating shaft 3 to rotate counterclockwise through the upper connector 15 and the lower connector 16, and the lifting rod assembly produces a downward movement accordingly, and the maximum downward stroke of the lifting rod assembly is that the bottom of the lower lifting rod 9 extends out of the cup The powder outlet 5.1 of the cup body 5 is 1 mm. At this time, the sealing ring 4 installed on the lower lifting rod 9 has an interference fit with the powder outlet 5.1, which can effectively seal the milk powder in the cup body 5; when the lifting rod assembly descends to the maximum stroke, the motor 14 stops rotating, and the water pump 20 sprays water to clean the bottom of the lower lifting rod 9, the powder outlet 5.1 and the mixing bin 2 by atomization, so as to wash away the residual milk powder at the bottom of the lower lifting rod 9, the powder outlet 5.1 and the mixing bin 2, thus forming a cyclic cycle of powder dropping, milk washing, sealing and cleaning.

[0045] The above is a preferred embodiment of the present invention, which shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments, and the above embodiments and descriptions are only for illustrating the principles of the present invention. The present invention may be subject to various changes and improvements without departing from the spirit and scope of the present invention, and these changes and improvements fall within the scope of the present invention to be protected. The scope of protection of the present invention is defined by the attached claims and their equivalents.

Claims

1. An automatic milk making machine, comprising a milk powder cup (1), characterized in that: The invention also comprises a mixing bin (2) and a water supply component. The mixing bin (2) is mounted at the bottom of the milk powder cup (1). The water supply component is connected to the mixing bin (2). A driving component, a lifting component and a powder sweeping component are arranged in the milk powder cup (1). The lifting component comprises a rotating shaft (3) and a lifting rod component. The driving component is drivingly connected to the rotating shaft (3). The rotating shaft (3) is movably connected to the lifting rod component. The powder sweeping component is sleeved on the outer periphery of the lifting rod component. A powder outlet (5.1) is arranged at the bottom of the milk powder cup (1). The interior of the milk powder cup (1) is connected to the interior of the mixing bin (2) through the powder outlet (5.1). The bottom of the lifting rod component passes through the powder outlet (5.1) and then extends into the mixing bin (2). A sealing ring (4) is arranged at the bottom of the lifting rod component. When the automatic milk making machine is working, The driving component drives the rotating shaft (3) to rotate at a constant speed. When the rotating shaft (3) rotates, the lifting rod assembly is driven to rise to open the powder outlet (5.1). When the lifting rod assembly rises to the maximum stroke, the rotating shaft (3) drives the lifting rod assembly to rotate. The powder sweeping component rotates along with the rotation of the lifting rod assembly to stir the milk powder in the milk powder cup (1) and make the milk powder fall into the mixing bin (2). At the same time, the water supply component delivers hot water of a set temperature into the mixing bin (2). The milk powder and water are mixed and stirred in the mixing bin to achieve automatic milk preparation. After the milk preparation is completed, the driving component drives the rotating shaft (3) to rotate in the opposite direction to make the lifting rod assembly descend. When the lifting rod assembly descends to the maximum stroke, the sealing ring (4) is interference-fitted with the side wall of the powder outlet (5.1) to close the powder outlet (5.1). The milk powder cup (1) comprises a cup body (5) and an upper cover (6), wherein the upper cover (6) covers the top opening of the cup body (5), the mixing chamber (2) is mounted at the bottom of the cup body (5), the powder outlet (5.1) is arranged at the bottom of the cup body (5), a fixing frame (7) is mounted in the cup body (5), a guide column (7.1) is arranged at the bottom of the fixing frame (7), a convex rib (5.2) is arranged in the cup body (5), the guide column (7.1) is inserted into the convex rib (5.2), the bottom of the fixing frame (7) is supported on the convex rib (5.2), a limiting edge (6.1) is arranged at the circumferential side of the bottom of the upper cover (6), the limiting edge (6.1) is in contact with the top of the fixing frame (7), and the rotating shaft (3) passes through the fixing frame (7) and is connected to the driving component; The lifting rod assembly comprises an upper lifting rod (8) and a lower lifting rod (9); an external thread (3.1) is provided on the rotating shaft (3); an internal thread (8.1) is provided on the upper lifting rod (8); the rotating shaft (3) is relatively movably mounted inside the upper lifting rod (8) through the cooperation of the external thread (3.1) and the internal thread (8.1); the upper lifting rod (8) is waist-shaped; a waist-shaped plug hole (9.1) is provided on the top of the lower lifting rod (9); and the bottom of the upper lifting rod (8) is inserted into the plug hole (9.1); The powder sweeping component is a powder sweeping shaft (10), a powder scraping plate (10.1) is provided in an annular shape around the powder sweeping shaft (10), the powder scraping plate (10.1) is close to the inner wall of the cup body (5), a propeller (10.2) is provided at the bottom of the powder sweeping shaft (10), the edge of the propeller (10.2) is close to the inner wall of the cup body (5), and the propeller (10.2) is located below the powder scraping plate (10.1) and close to the powder outlet (5.1).

2. The automatic milk making machine according to claim 1, characterized in that: A first through hole (8.2) is provided at the bottom of the upper lifting rod (8), a second through hole (9.2) is provided at the top of the lower lifting rod (9) at a position corresponding to the first through hole (8.2), and a fastener passes through the first through hole (8.2) and the second through hole (9.2) at the same time to connect the upper lifting rod (8) and the lower lifting rod (9).

3. The automatic milk making machine according to claim 2, characterized in that: The powder sweeping shaft (10) is provided with a third through hole (10.3) and a fourth through hole (10.4) which are connected to each other. The third through hole (10.3) and the fourth through hole (10.4) are formed in a stepped shape. A part of the upper lifting rod (8) is arranged in the third through hole (10.3), and another part is arranged in the fourth through hole (10.4). The upper lifting rod (8) is movably arranged between the third through hole (10.3) and the fourth through hole (10.4). The lower lifting rod (9) is movably arranged in the fourth through hole (10.4). The shape of the third through hole (10.3) is waist-shaped.

4. The automatic milk making machine according to claim 3, characterized in that: The fixing frame (7) is located above the powder sweeping shaft (10); the outer periphery of the rotating shaft (3) is sleeved with a first clamping ring (11), a second clamping ring (12) and a gasket (13); the first clamping ring (11) is arranged between the top wall of the upper lifting rod (8) and the inner top wall of the third through hole (10.3); the gasket (13) and the second clamping ring (12) are arranged up and down; the gasket (13) and the second clamping ring (12) are arranged between the bottom wall of the fixing frame (7) and the top wall of the powder sweeping shaft (10).

5. The automatic milk making machine according to claim 4, characterized in that: The driving component is a motor (14), an upper connector (15) is sleeved on the output shaft of the motor (14), a lower connector (16) is installed at the bottom of the upper connector (15), the bottom of the lower connector (16) is inserted into the fixing frame (7), the top of the rotating shaft (3) passes through the fixing frame (7), the bottom of the lower connector (16) is sleeved on the top periphery of the rotating shaft (3), and the lower connector (16) is connected to the rotating shaft (3).

6. The automatic milk making machine according to claim 5, characterized in that: A motor cover (17) is installed at the bottom of the upper cover (6); the motor (14) is arranged in a space enclosed by the upper cover (6) and the motor cover (17); the motor (14) is fixed on the upper cover (6); the upper connector (15) is located at the bottom of the motor (14) and passes through the motor cover (17); the lower connector (16) is located below the motor cover (17); and a sealing member (18) is arranged between the upper cover (6) and the cup body (5).

7. The automatic milk making machine according to any one of claims 1 to 6, characterized in that: The water supply assembly comprises a water tank (19), a water pump (20) and a heating plate (21); the water tank (19) is connected to the water pump (20) via a water pipe (22); the water pump (20) is connected to the mixing bin (2) via the water pipe (22); and the heating plate (21) is arranged at the bottom of the water tank (19).

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