Spiral driving mechanism and fully-automatic coffee machine having spiral water dispensing function

Abstract

A spiral driving mechanism (40) and a fully-automatic coffee machine having a spiral water dispensing function, relating to the technical field of coffee machines, solving the technical problem in the prior art of low extraction efficiency due to the inability to achieve uniform coffee extraction from ground coffee, and capable of increasing the contact area between water and the ground coffee, thereby improving the brewing effect. The spiral driving mechanism (40) comprises a water outlet pipe (30), a first rotating mechanism (41), and a first raising / lowering mechanism (42); the first rotating mechanism (41) comprises a mounting frame (411), a rotating base (412), a rotating table (413), a rotating wheel (414), and a rotation driving assembly (415); the water outlet pipe (30) is swingably arranged on the rotating base (412); the rotating base (412), the rotating table (413), and the rotating wheel (414) are arranged in parallel; the rotating base (412) and the rotating wheel (414) are connected by means of a rotation driving rod (416); the rotating table (413) is slidably arranged on the rotation driving rod (416); the rotation driving assembly (415) is transmittingly connected to the rotating base (412) or the rotating wheel (414); a connecting rod (417) is arranged between the water outlet pipe (30) and the rotating table (413); and the first raising / lowering mechanism (42) is connected to the rotating table (413).

Description

A spiral drive mechanism and a spiral watering fully automatic coffee machine Technical Field

[0001] The present invention relates to the technical field of coffee machines, in particular to a spiral drive mechanism and a fully automatic spiral watering coffee machine. Background Art

[0002] A coffee machine is a general term for a coffee brewing machine. With the continuous improvement of people's living standards, they have an increasingly higher pursuit for homemade coffee and coffee taste.

[0003] In existing coffee machines, liquid flows directly onto the coffee grounds during brewing. This creates a circular or dotted mark on the horizontal surface of the coffee cup, resulting in a small contact area between the water and the coffee grounds. This prevents the grounds from being fully soaked, preventing uniform extraction and lowering extraction efficiency, making it difficult to brew high-quality coffee. Consequently, traditional coffee machines are no longer able to meet the growing demand for higher-quality coffee from consumers.

[0004] In addition, during the process of brewing coffee, the hot water in the water tank reacts violently and produces a lot of bubbles. Therefore, when watering, the water outflow from the water outlet pipe is unstable and not concentrated enough, resulting in unsatisfactory brewing effect.

[0005] The applicant has found that the existing technology has at least the following technical problems: when the coffee machine is brewing, the contact area between water and coffee powder is small, the powder layer is not completely soaked, the coffee powder cannot be evenly extracted from the coffee, the extraction efficiency is low, and it is difficult to brew high-quality coffee. Summary of the Invention

[0006] The purpose of the present invention is to provide a spiral drive mechanism and a spiral watering fully automatic coffee machine to solve the technical problems existing in the prior art in that when brewing coffee, the contact area between water and coffee powder is small, the powder layer is not completely soaked, the coffee powder cannot be evenly extracted from the coffee, the extraction efficiency is low, and it is difficult to brew high-quality coffee. 。 The various technical effects that can be produced by the preferred technical solutions among the various technical solutions provided by the present invention are described in detail below.

[0007] To achieve the above objectives, the present invention provides the following technical solutions:

[0008] The spiral drive mechanism provided by the present invention includes a water outlet pipe, a first rotating mechanism and a first lifting mechanism; wherein:

[0009] The first rotating mechanism includes a mounting bracket, a rotating base, a rotating platform, a rotating wheel and a rotating drive assembly, wherein the rotating base is rotatably arranged on the mounting bracket, and the water outlet pipe is swingably arranged on the rotating base;

[0010] The rotating base, the rotating platform and the rotating wheel are arranged in parallel, and the rotating base and the rotating wheel are connected by a rotating drive rod, the rotating platform is slidably arranged on the rotating drive rod, and the rotating drive assembly is in driving connection with the rotating base or the rotating wheel;

[0011] A connecting rod is provided between the water outlet pipe and the rotating platform. The first lifting mechanism is connected to the rotating platform to drive the rotating platform to move up and down, thereby driving the water outlet pipe to swing.

[0012] As a further improvement of the present invention, the rotary drive assembly includes a first rotary motor and a driving gear, the driving gear is connected to the first rotary motor, and transmission teeth are provided on the rotating wheel or the rotating base, and the transmission teeth are engaged with the driving gear.

[0013] As a further improvement of the present invention, the first lifting mechanism includes a lifting motor, a lifting gear, a rack and a bracket, the bracket is provided with a rotating groove adapted to the rotating table, the bracket is connected to the rotating table, and the lifting motor drives the bracket to move up and down through the lifting gear and the rack.

[0014] As a further improvement of the present invention, the first lifting mechanism includes a screw module and a lifting adapter block, the rotating table is rotatably arranged in the lifting adapter block, and the screw module is connected to the lifting adapter block;

[0015] The screw module includes a screw positioning frame and a second screw motor, a second screw and a second guide rail are provided on the screw positioning frame, a second slide is slidably provided on the second guide rail, and the second slide is threadedly connected to the second screw, and the second screw motor is transmission-connected to the second screw.

[0016] A fully automatic coffee machine with spiral watering comprises a water tank and the spiral drive mechanism as described above, wherein the water outlet pipe is connected to the water tank via a connecting pipe.

[0017] As a further improvement of the present invention, it also includes an exhaust mechanism, which includes an exhaust member, an exhaust fan and an exhaust channel. The exhaust member is connected to the water tank through the exhaust channel, and the exhaust fan is arranged on the exhaust member.

[0018] As a further improvement of the present invention, the exhaust member is provided with an air inlet, an exhaust outlet and a fan connection port, the air inlet is connected to the outlet of the exhaust channel, and the exhaust fan is installed on the fan connection port.

[0019] As a further improvement of the present invention, the exhaust member is arranged on one side of the water outlet pipe, the exhaust port of the exhaust member faces the side of the water outlet pipe, and the exhaust port of the exhaust member is located on the lower side of the exhaust member.

[0020] As a further improvement of the present invention, it further comprises a grinding mechanism and a reciprocating mechanism, wherein the reciprocating mechanism drives the coffee capsule to reciprocate between the powder outlet of the grinding mechanism and below the water outlet pipe.

[0021] The beneficial effects of the present invention are as follows: the spiral drive mechanism and the spiral watering fully automatic coffee machine provided by the present invention include a water outlet pipe, a first rotating mechanism and a first lifting mechanism. The first rotating mechanism includes a mounting bracket, a rotating base, a rotating table, a rotating wheel and a rotating drive assembly. The rotating drive assembly can drive the rotating base, the rotating table and the rotating wheel to rotate. The rotating table is connected to the water outlet pipe rotatably arranged on the rotating base through a connecting rod. The first lifting mechanism can drive the rotating table to move up and down, thereby ensuring that the water outlet pipe swings along the rotating axis of the water outlet pipe. With the cooperation of the first rotating mechanism and the first lifting mechanism, the water outlet of the water outlet pipe can be moved in various shapes such as circular, vortex, and straight lines to increase the contact area between water and coffee powder, so that the powder layer can be completely infiltrated, the extraction efficiency of the coffee powder is improved, and high-quality coffee is brewed. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0023] FIG1 is a schematic structural diagram of the present invention;

[0024] FIG2 is a schematic diagram of a portion of the structure of the first embodiment of the present invention (I);

[0025] FIG3 is a schematic diagram of a portion of the structure of the first embodiment of the present invention (II);

[0026] FIG4 is a schematic diagram of a portion of the structure of the first embodiment of the present invention (III);

[0027] 5 is a schematic diagram of a portion of the structure of the exhaust mechanism according to the first embodiment of the present invention;

[0028] FIG6 is a cross-sectional view of a first embodiment of the present invention;

[0029] 7 is a perspective view of a screw drive mechanism according to a second embodiment of the present invention;

[0030] Figure 8 is an exploded view of the screw drive mechanism of the second embodiment of the present invention. In the figure, 100, coffee machine body; 200, grinding mechanism; 300, reciprocating mechanism; 10, water tank; 20. Connecting pipe; 30. Water outlet pipe; 40. Screw drive mechanism; 50. Exhaust mechanism; 11. Pipe; 41. First rotating mechanism; 42. First lifting mechanism; 51. Exhaust member; 52. Exhaust fan; 53. Exhaust duct; 411. Mounting bracket; 412. Rotating base; 413. Rotating table; 414. Rotating wheel; 415. Rotating drive assembly; 416. Rotating drive rod; 417. Connecting rod; 421. Lifting motor; 422. Lifting gear; 423. Rack; 424. Bracket; 425. Lifting adapter block; 426. Screw positioning frame; 427. Second screw; 428. Second guide rail; 429. Second slide; 420. Second screw motor; 511. Air inlet; 512. Exhaust port; 513. Fan connection port; 531. Internal channel. DETAILED DESCRIPTION

[0031] The following can refer to the accompanying drawings Figures 1 to 8 and the text content to understand the content of the present invention and the differences between the present invention and the prior art. The following is a further detailed description of the technical solutions (including preferred technical solutions) of the present invention by means of the accompanying drawings and by listing some optional embodiments of the present invention. It should be noted that any technical feature or any technical solution in this embodiment is one or more of a variety of optional technical features or optional technical solutions. For the sake of brevity, it is impossible to list all the alternative technical features and alternative technical solutions of the present invention in this document, nor is it convenient to emphasize that the implementation of each technical feature is one of a variety of optional implementations. Therefore, those skilled in the art should know that any technical means provided by the present invention can be replaced or any two or more technical means or technical features provided by the present invention can be combined with each other to obtain a new technical solution. Any technical feature and any technical solution in this embodiment do not limit the scope of protection of the present invention. The scope of protection of the present invention should include any alternative technical solutions that can be thought of by those skilled in the art without creative work and new technical solutions obtained by those skilled in the art by combining any two or more technical means or technical features provided by the present invention.

[0032] In the description of the present invention, it should be noted that, unless otherwise specified, "plurality" means two or more; the terms "upper," "lower," "left," "right," "inner," "outer," "front end," "rear end," "head," "tail," etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings and are intended only to facilitate the description of the present invention and simplify the description. They do not indicate or imply that the devices or components referred to must have a specific direction, be constructed, or operate in a specific direction, and therefore should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0033] It should also be noted that, in the description of the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" should be understood broadly. For example, they may refer to fixed, detachable, or integral connections; mechanical or electrical connections; and direct or indirect connections through an intermediary. Those skilled in the art will understand the specific meanings of the above terms in the present invention depending on the specific circumstances.

[0034] The present invention provides a spiral driving mechanism and a spiral watering fully automatic coffee machine which increase the contact area between water and coffee powder and improve the brewing effect.

[0035] The technical solution provided by the present invention will be described in more detail below with reference to FIG. 1 to FIG. 8 .

[0036] The present invention provides a spiral drive mechanism, comprising a water outlet pipe, a first rotating mechanism and a first lifting mechanism; wherein:

[0037] The first rotating mechanism includes a mounting bracket, a rotating base, a rotating platform, a rotating wheel and a rotating drive assembly, wherein the rotating base is rotatably arranged on the mounting bracket, and the water outlet pipe is swingably arranged on the rotating base;

[0038] The rotating base, the rotating platform and the rotating wheel are arranged in parallel, and the rotating base and the rotating wheel are connected by a rotating drive rod, the rotating platform is slidably arranged on the rotating drive rod, and the rotating drive assembly is in driving connection with the rotating base or the rotating wheel;

[0039] A connecting rod is provided between the water outlet pipe and the rotating platform. The first lifting mechanism is connected to the rotating platform to drive the rotating platform to move up and down, thereby driving the water outlet pipe to swing.

[0040] The spiral drive mechanism provided by the present invention includes a water outlet pipe, a first rotating mechanism and a first lifting mechanism. The first rotating mechanism includes a mounting bracket, a rotating base, a rotating table, a rotating wheel and a rotating drive assembly. The rotating drive assembly can drive the rotating base, the rotating table and the rotating wheel to rotate. The rotating table is connected to the water outlet pipe rotatably arranged on the rotating base through a connecting rod. The first lifting mechanism can drive the rotating table to move up and down, thereby ensuring that the water outlet pipe swings along the rotating axis of the water outlet pipe. With the cooperation of the first rotating mechanism and the first lifting mechanism, the water outlet of the water outlet pipe can move in various shapes such as circular, vortex, and straight lines, so as to increase the contact area between water and coffee powder, improve the extraction efficiency of coffee powder, and brew high-quality coffee.

[0041] As a further improvement of the present invention, the rotary drive assembly includes a first rotary motor and a driving gear, the driving gear is connected to the first rotary motor, and transmission teeth are provided on the rotating wheel or the rotating base, and the transmission teeth are engaged with the driving gear.

[0042] In this further improvement, the rotary drive assembly consists of a first rotary motor and a driving gear, and transmission teeth are provided on the rotating wheel or the rotating base. Through the engagement of the driving gear and the transmission teeth, the first rotary motor can drive the rotating base, the rotating table and the rotating wheel to rotate. The gear transmission has high precision, ensuring that the water outlet pipe moves precisely along the predetermined trajectory.

[0043] As a further improvement of the present invention, the first lifting mechanism includes a lifting motor, a lifting gear, a rack and a bracket, the bracket is provided with a rotating groove adapted to the rotating table, the bracket is connected to the rotating table, and the lifting motor drives the bracket to move up and down through the lifting gear and the rack.

[0044] In this further improvement, the first lifting mechanism comprises a lifting motor, a lifting gear, a rack, and a bracket. The lifting gear and rack cooperate to achieve high-precision adjustment of the rotating platform, ensuring that the water outlet pipe moves precisely along a predetermined trajectory. The bracket is provided with a rotating slot adapted to the rotating platform, ensuring unconstrained rotation of the rotating platform, enabling the water outlet pipe to simultaneously rotate and swing, and allowing the water outlet pipe to move along a predetermined trajectory.

[0045] As a further improvement of the present invention, the first lifting mechanism includes a screw module and a lifting adapter block, the rotating table is rotatably arranged in the lifting adapter block, and the screw module is connected to the lifting adapter block;

[0046] The screw module includes a screw positioning frame and a second screw motor, a second screw and a second guide rail are provided on the screw positioning frame, a second slide is slidably provided on the second guide rail, and the second slide is threadedly connected to the second screw, and the second screw motor is transmission-connected to the second screw.

[0047] In this further improvement, the first lifting mechanism includes a screw module and a lifting adapter block. The lifting adapter block is connected to the rotating table. The screw module is used to drive the lifting adapter block to move up and down, thereby achieving high-precision adjustment of the rotating table and ensuring that the water outlet pipe moves accurately along the predetermined trajectory.

[0048] A fully automatic coffee machine with spiral watering comprises a water tank and the spiral drive mechanism as described above, wherein the water outlet pipe is connected to the water tank via a connecting pipe.

[0049] As a further improvement of the present invention, it also includes an exhaust mechanism, which includes an exhaust member, an exhaust fan and an exhaust channel. The exhaust member is connected to the water tank through the exhaust channel, and the exhaust fan is arranged on the exhaust member.

[0050] In this further improvement, an exhaust mechanism is provided in the coffee machine. The exhaust mechanism is provided with an exhaust part, an exhaust fan and an exhaust channel. The exhaust fan discharges the gas that reacts violently in the water tank during watering to the outside of the coffee machine through the exhaust channel and the exhaust part, so that the hot water in the water tank is stable and the water out of the water outlet pipe is ensured to be stable and concentrated. At the same time, it solves the problem in the prior art that an exhaust port is provided on the top of the coffee machine, which causes exhaust above the coffee machine during watering, resulting in an unsightly appearance and poor user experience.

[0051] As a further improvement of the present invention, the exhaust member is provided with an air inlet, an exhaust outlet and a fan connection port, the air inlet is connected to the outlet of the exhaust channel, and the exhaust fan is installed on the fan connection port.

[0052] In this further improvement, the air inlet on the exhaust member is connected to the exhaust duct, the fan connection port is used to connect to the exhaust fan, and the exhaust fan is used to extract the violently reactive gas in the water tank. The exhaust port is used to discharge gas or liquid. It is understood that the exhaust duct can be located outside or inside the coffee machine housing. Placing the exhaust duct inside the coffee machine housing can effectively enhance the product's aesthetics and make the coffee machine more concise.

[0053] As a further improvement of the present invention, the exhaust member is arranged on one side of the water outlet pipe, the exhaust port of the exhaust member faces one side of the water outlet pipe, and the exhaust port of the exhaust member is located on the lower side of the exhaust member.

[0054] In this further improvement, the exhaust port of the exhaust component is directed toward the side of the water outlet pipe, and the exhaust port of the exhaust component is located on the lower side of the exhaust component. The exhaust fan can blow away the steam at the water outlet pipe while exhausting the air and discharging the condensed water, thereby preventing the hot steam from staying on the coffee machine casing and condensing into water droplets.

[0055] As a further improvement of the present invention, it further comprises a grinding mechanism and a reciprocating mechanism, wherein the reciprocating mechanism drives the coffee capsule to reciprocate between the powder outlet of the grinding mechanism and below the water outlet pipe.

[0056] In this further improvement, a reciprocating mechanism is provided below the water outlet pipe and the powder outlet of the grinding mechanism. The reciprocating mechanism can drive the coffee capsule to move back and forth between the water outlet pipe and the powder outlet, thereby realizing powder collection and coffee extraction, ensuring fully automatic completion of coffee extraction and brewing.

[0057] Specifically, the reciprocating mechanism can adopt any reciprocating drive device such as a screw assembly, a guide rail slider combination or a screw assembly in the prior art to achieve the reciprocating movement of the coffee capsule.

[0058] Embodiment 1:

[0059] The present invention provides a fully automatic spiral watering coffee machine, comprising a coffee machine body 100, a grinding mechanism 200, and a reciprocating mechanism 300. The coffee machine body 100 is provided with a water tank 10, a connecting pipe 20, a water outlet pipe 30, and a spiral drive mechanism 40. The water outlet pipe 30 is disposed on the spiral drive mechanism 40 and connected to the water tank 10 via the connecting pipe 20. The spiral drive mechanism 40 is used to drive the water outlet of the water outlet pipe 30 to move along a predetermined trajectory. The reciprocating mechanism 300 drives the coffee capsule to reciprocate between the powder outlet of the grinding mechanism 200 and below the water outlet pipe 30.

[0060] Specifically, the screw drive mechanism 40 includes a first rotating mechanism 41 and a first lifting mechanism 42;

[0061] The first rotating mechanism 41 includes a mounting bracket 411, a rotating base 412, a rotating platform 413, a rotating wheel 414, and a rotating drive assembly 415. The rotating base 412 is rotatably mounted on the mounting bracket 411, and the water outlet pipe 30 is rotatably mounted on the rotating base 412.

[0062] The rotating base 412, the rotating platform 413, and the rotating wheel 414 are arranged in parallel, and the rotating base 412 and the rotating wheel 414 are connected by a rotating drive rod 416. The rotating platform 413 is slidably arranged on the rotating drive rod 416. The rotating drive assembly 415 is in transmission connection with the rotating wheel 414, and the rotating drive assembly 415 drives the rotating wheel 414 to rotate;

[0063] A connecting rod 417 is provided between the water outlet pipe 30 and the rotating platform 413 . The first lifting mechanism 42 is connected to the rotating platform 413 to drive the rotating platform 413 to move up and down, thereby driving the water outlet pipe 30 to rotate.

[0064] More specifically, the rotary drive assembly 415 includes a first rotary motor and a driving gear, the driving gear is connected to the first rotary motor, and a transmission tooth is provided on the rotary wheel 414, and the transmission tooth is engaged with the driving gear.

[0065] The first lifting mechanism 42 includes a lifting motor 421 , a lifting gear 422 , a rack 423 , and a bracket 424 . The bracket 424 is connected to the rotating platform 413 . The lifting motor 421 drives the bracket 424 to move up and down through the lifting gear 422 and the rack 423 .

[0066] It is understood that the connecting pipe 20 is rotatably sealed to the water tank 10, specifically by means of a bearing and a sealing ring. The first rotating mechanism 41 and the first lifting mechanism 42 are configured to allow the water outlet pipe 30 to swing on the rotating base 412 driven by the first lifting mechanism 42 and the connecting rod 417. The first rotating mechanism 41 can drive the rotating base 412 to rotate, thereby driving the water outlet pipe 30 to rotate, thereby causing the water outlet of the water outlet pipe 30 to move along a predetermined trajectory.

[0067] Specifically, by disposing the first rotating mechanism 41 and the first lifting mechanism 42 , the water outlet of the water outlet pipe 30 can be moved in a spiral, spiral, circular or other trajectory.

[0068] Furthermore, the spiral watering fully automatic coffee machine provided by the present invention further includes an exhaust mechanism 50 disposed in the coffee machine body 100. The exhaust mechanism 50 includes an exhaust member 51, an exhaust fan 52, and an exhaust channel 53. The exhaust member 51 is connected to the water tank 10 through the exhaust channel 53.

[0069] The exhaust member 51 is arranged on the rear side of the water outlet pipe 30 , the exhaust port 512 of the exhaust member 51 faces one side of the water outlet pipe 30 , and the exhaust port 512 of the exhaust member 51 is located on the lower side of the exhaust member 51 , and the exhaust fan 52 is arranged on the exhaust member 51 .

[0070] Specifically, the exhaust passage 53 includes a pipe 11 connected to the water tank 10 and an internal passage 531 provided in the mounting bracket 411 . The pipe 11 is connected to the water tank 10 and the mounting bracket 411 , and the exhaust member 51 is connected to the outlet of the internal passage 531 .

[0071] The exhaust member 51 is provided with an air inlet 511 , an exhaust port 512 and a fan connection port 513 . The air inlet 511 is connected to the outlet of the internal channel 531 , and the exhaust fan 52 is installed on the fan connection port 513 .

[0072] Example 2:

[0073] The difference between this embodiment 2 and embodiment 1 is that the first rotating mechanism 41 includes a mounting bracket 411, a rotating base 412, a rotating platform 413, a rotating wheel 414 and a rotating drive assembly 415. The rotating base 412 is rotatably mounted on the mounting bracket 411, and the water outlet pipe 30 is rotatably mounted on the rotating base 412.

[0074] The rotating base 412, the rotating platform 413, and the rotating wheel 414 are arranged in parallel, and the rotating base 412 and the rotating wheel 414 are connected by a rotating drive rod 416. The rotating platform 413 is slidably arranged on the rotating drive rod 416. The rotating drive assembly 415 is in transmission connection with the rotating base 412, and the rotating drive assembly 415 drives the rotating base 412 to rotate;

[0075] A connecting rod 417 is provided between the water outlet pipe 30 and the rotating platform 413 . The first lifting mechanism 42 is connected to the rotating platform 413 to drive the rotating platform 413 to move up and down, thereby driving the water outlet pipe 30 to rotate.

[0076] The first lifting mechanism 42 includes a screw module and a lifting adapter block 425. The rotating platform 413 is disposed in the lifting adapter block 425. The screw module is connected to the lifting adapter block 425.

[0077] The screw module includes a screw positioning frame 426 and a second screw motor 420, a second screw 427 and a second guide rail 428 are arranged on the screw positioning frame 426, a second slide 429 is slidably set on the second guide rail 428, and the second slide 429 is threadedly connected to the second screw 427, and the second screw motor 420 is transmission-connected to the second screw 427.

[0078] The above description is merely a specific embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any modifications or substitutions that can be easily conceived by a person skilled in the art within the technical scope disclosed in the present invention should be included in the scope of protection of the present invention. Therefore, the scope of protection of the present invention should be based on the scope of protection of the claims.

Claims

1. A screw drive mechanism, characterized in that: It includes a water outlet pipe, a first rotating mechanism and a first lifting mechanism; wherein: The first rotating mechanism includes a mounting bracket, a rotating base, a rotating platform, a rotating wheel and a rotating drive assembly, wherein the rotating base is rotatably arranged on the mounting bracket, and the water outlet pipe is swingably arranged on the rotating base; The rotating base, the rotating platform and the rotating wheel are arranged in parallel, and the rotating base and the rotating wheel are connected by a rotating drive rod, the rotating platform is slidably arranged on the rotating drive rod, and the rotating drive assembly is in driving connection with the rotating base or the rotating wheel; A connecting rod is provided between the water outlet pipe and the rotating platform. The first lifting mechanism is connected to the rotating platform to drive the rotating platform to move up and down, thereby driving the water outlet pipe to swing.

2. The screw drive mechanism according to claim 1, characterized in that: The rotary drive assembly includes a first rotary motor and a driving gear, wherein the driving gear is connected to the first rotary motor, and transmission teeth are provided on the rotary wheel or the rotary base, and the transmission teeth are meshed with the driving gear.

3. The screw drive mechanism according to claim 1, characterized in that: The first lifting mechanism includes a lifting motor, a lifting gear, a rack and a bracket. The bracket is provided with a rotating slot adapted to the rotating table. The bracket is connected to the rotating table. The lifting motor drives the bracket to move up and down through the lifting gear and the rack.

4. The screw drive mechanism according to claim 1, characterized in that: The first lifting mechanism includes a screw module and a lifting adapter block, the rotating platform is rotatably arranged in the lifting adapter block, and the screw module is connected to the lifting adapter block; The screw module includes a screw positioning frame and a second screw motor, a second screw and a second guide rail are provided on the screw positioning frame, a second slide is slidably provided on the second guide rail, and the second slide is threadedly connected to the second screw, and the second screw motor is transmission-connected to the second screw.

5. A fully automatic coffee machine with spiral watering, characterized in that: It comprises a water tank and a spiral drive mechanism as described in any one of claims 1 to 4, wherein the water outlet pipe is connected to the water tank through a connecting pipe.

6. The spiral watering fully automatic coffee machine according to claim 5, characterized in that: It also includes an exhaust mechanism, which includes an exhaust member, an exhaust fan and an exhaust channel. The exhaust member is connected to the water tank through the exhaust channel, and the exhaust fan is arranged on the exhaust member.

7. The fully automatic spiral watering coffee machine according to claim 6, characterized in that: The exhaust component is provided with an air inlet, an exhaust outlet and a fan connection port. The air inlet is connected to the outlet of the exhaust channel, and the exhaust fan is installed on the fan connection port.

8. The fully automatic spiral watering coffee machine according to claim 7, characterized in that: The exhaust member is arranged on one side of the water outlet pipe, the exhaust port of the exhaust member faces one side of the water outlet pipe, and the exhaust port of the exhaust member is located on the lower side of the exhaust member.

9. The fully automatic spiral watering coffee machine according to claim 5, characterized in that: The coffee capsule further comprises a grinding mechanism and a reciprocating mechanism, wherein the reciprocating mechanism drives the coffee capsule to reciprocate between the powder outlet of the grinding mechanism and below the water outlet pipe.

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