Automatic powder and water discharging method of gouache machine

Abstract

The invention relates to the technical field of a gouache machine and discloses an automatic powder and water discharge method for a gouache machine, comprising the following steps: 1) the gouache machine comprises a machine body, the machine body comprises a powder bin and a water outlet pipe for discharging hot water, a rotating quantitative turntable is provided in the powder bin, and a powder outlet connected to the powder bin and discharging powder is provided on the machine body; an inverted powder tank is placed on the machine body, the powder tank is connected to the powder bin; the gouache machine is started, and powder discharge parameters and water outlet parameters are set; 2) according to the powder discharge parameters, the quantitative turntable rotates, and the powder in the powder bin is quantitatively discharged through the powder outlet; according to the water outlet parameters, the water outlet pipe discharges a quantitative amount of water; the powder tank is arranged in an inverted shape on the machine body, which is convenient for discharging powder, and there is no need to suck the powder in the powder tank, and the powder can be discharged by falling into the powder bin by itself, so the structure is simple and the powder is discharged smoothly.

Description

Technical Field

[0001] The invention relates to the technical field of gouache machines, and more specifically, to a method for automatically discharging gouache and water from gouache machines. Background Art

[0002] Milk powder is a powder made by removing water from animal milk. It is generally made from fresh cow's milk or goat's milk. Almost all the water in the milk is removed by freezing or heating, and then it is dried and then an appropriate amount of vitamins, minerals, etc. are added to make it into a ready-to-eat food.

[0003] Of course, milk powder is not the only common nutritional supplement, there are also various other nutritional powders in life. Powders are all installed in powder tanks. When they need to be eaten, the powder tank is opened, and the powder is placed in a container and mixed with water to form a powder liquid for consumption.

[0004] In the prior art, in order to facilitate the taking of powder and mixing it with water, some auxiliary machines, such as gouache machines, are used to automatically take out the powder and mix it with water. However, in the current gouache machines, the powder tanks are all placed forward, and the powder in the powder tanks is taken out by extraction, which not only has a complex structure but also makes the taking of the powder not smooth. Summary of the Invention

[0005] The purpose of the present invention is to provide a method for automatically discharging powder and water from a gouache machine, aiming to solve the problem in the prior art that a powder tank in a gouache machine is placed in a forward direction.

[0006] The present invention is achieved in that the method for automatically discharging powder and water from a gouache machine comprises the following steps:

[0007] 1) The gouache machine comprises a body, which includes a powder bin and a water outlet pipe for discharging hot water. The powder bin is provided with a rotating quantitative turntable. The body is provided with a powder outlet connected to the powder bin and discharging powder. An inverted powder tank is placed on the body, which is connected to the powder bin. The gouache machine is started and powder discharge parameters and water outlet parameters are set.

[0008] 2) According to the powder discharge parameters, the quantitative turntable rotates to discharge the powder in the powder bin through the powder outlet in a quantitative manner; according to the water discharge parameters, the water outlet pipe discharges a quantitative amount of water.

[0009] Furthermore, a controller is provided in the machine body, and a control area is provided on the machine body; in the step 1), the powder discharge parameters and the water discharge parameters are set through the control area.

[0010] Furthermore, the machine body has an operating area for placing containers, the water outlet pipe has an outlet for discharging water, and the powder outlet and the water outlet are respectively located above the operating area; in step 2), the powder discharged from the powder outlet and the water discharged from the water outlet respectively enter the container in the operating area.

[0011] Furthermore, a water tank is provided on the machine body, one end of the water outlet pipe is connected to the water tank, the other end of the water outlet pipe forms the water outlet, and the middle portion of the water outlet pipe passes through the heating structure;

[0012] In step 2), when the water in the water tank flows toward the water outlet through the water outlet pipe, the heating structure heats the water in the water outlet pipe to a set temperature according to the water outlet parameters, and the water heated to the set temperature is discharged through the water outlet.

[0013] Furthermore, the top of the machine body has a concave cavity for inserting a powder supply bin, and the powder bin includes a bin body, and the bin body has a bin cavity for accommodating powder falling from the powder tank, the bin cavity passes through the top of the bin body to form a top opening, and the bottom of the bin body is provided with the powder outlet;

[0014] The quantitative turntable is provided with a plurality of quantitative grooves which pass through the quantitative turntable and accommodate quantitative powder. The plurality of quantitative grooves are arranged at intervals along the circumference of the quantitative turntable, and a shielding portion for covering the powder outlet is provided between adjacent quantitative grooves;

[0015] In the step 1), when the powder tank is inverted on the machine body, the powder tank is connected to the chamber through the top opening;

[0016] In step 2), during the rotation of the quantitative turntable, when the quantitative groove is connected to the powder outlet, the quantitative powder in the quantitative groove is discharged through the powder outlet. When the quantitative groove and the powder outlet are offset, the shielding portion covers the powder outlet.

[0017] Furthermore, a fixed stator brush is provided on the quantitative turntable, and a powder scraping brush is provided at the end of the stator brush. The powder scraping brush abuts against the quantitative turntable and is located above the powder outlet.

[0018] In the step 2), during the rotation of the quantitative turntable, when the quantitative groove and the scraping brush overlap each other, as the scraping brush and the positioning groove rotate relative to each other, the scraping brush scrapes off the powder above the quantitative groove, so that the powder discharged through the powder outlet is the quantitative powder in the quantitative groove; when the quantitative groove passes over the powder outlet and is offset from the powder outlet and the scraping brush, the powder in the chamber is filled in the quantitative groove.

[0019] Furthermore, two powder scraping brushes are provided at the end of the stator brush. The two powder scraping brushes are arranged at intervals along the rotation direction of the quantitative rotary disk. The two powder scraping brushes are respectively located on both sides of the powder outlet; a spacing area is provided between the two powder scraping brushes, and the spacing area is larger than the width of the quantitative groove;

[0020] In the step 2), during the rotation of the quantitative rotary disk, when the quantitative groove is vertically aligned with the powder outlet, the quantitative groove is located in the spacing area.

[0021] Furthermore, a rotating stirring disc is provided in the middle of the chamber, and a plurality of hollow areas extending vertically therethrough are provided in the stirring disc, and the plurality of hollow areas are arranged at intervals along the circumference of the stirring disc;

[0022] In the step 2), when the quantitative turntable rotates, the stirring turntable rotates synchronously, and the stirring turntable stirs the powder in the chamber.

[0023] Furthermore, a door frame is provided in the chamber, and two powder outlets are provided in the door frame, and a crossbeam is provided between the two powder outlets; a swing plate for closing or opening the powder outlet is connected to the door frame, the inner end of the swing plate is hinged to the crossbeam, and the outer end of the swing plate is freely arranged; a limit strip extends downward from the outer periphery of the door frame, and a limit block is provided on the limit strip to limit the swing plate from swinging downward to the extreme position;

[0024] In the step 1), when the powder tank is inverted on the powder silo, the outer end of the swing plate swings downward away from the silo door frame to the limit block, the powder dropout port is opened, and the powder in the powder tank enters the silo cavity through the powder dropout port; when the powder silo is separated from the machine body and when the powder silo is placed in the forward direction, the outer end of the swing plate swings toward the silo door frame and abuts against the silo door frame, and the swing plate closes the powder dropout port, thereby limiting the powder in the silo cavity from being discharged from the powder dropout port in the reverse direction.

[0025] Furthermore, the swing plate has an upwardly facing top surface, on which a plurality of flexible membrane strips arranged in strips are provided, the flexible membrane strips extending from the inner end to the outer end of the swing plate, and the flexible membrane strips and the top surface enclose a closed strip-shaped cavity;

[0026] A sheet-shaped elastic strip is provided in the strip-shaped cavity, and the elastic strip extends along the length direction of the strip-shaped cavity; the outer end of the elastic strip is fixedly connected to the top surface of the swing plate, and the inner end of the elastic strip is connected to the flexible membrane strip, and along the direction from the outer end to the inner end of the strip-shaped cavity, the elastic strip is tilted upward and away from the top surface of the swing plate; an elastic block is provided on the limit block;

[0027] In step 2), the outer end of the swinging piece swings downward and abuts against the elastic block. In the process of the powder in the powder tank passing through the powder drop port and falling downward into the chamber along the top surface of the swinging piece, as the pressure on the swinging piece changes, the elastic block drives the swinging piece to swing up and down, and the elastic strip elastically deforms up and down relative to the top surface of the swinging piece, driving the flexible membrane strip to fluctuate up and down.

[0028] Compared with the prior art, the automatic powder and water discharge method of the water powder machine provided by the present invention sets the powder parameters and water parameters, and the quantitative turntable rotates gradually to discharge the powder in the powder bin in a quantitative manner, and the water outlet pipe discharges the water, and the water is mixed with the powder to form a powder liquid; the powder tank is arranged in an inverted shape on the machine body, which is convenient for discharging the powder. There is no need to suck the powder in the powder tank, and the powder can be used to fall into the powder bin by itself. The structure is simple and the powder is discharged smoothly. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] Figure 1 It is a three-dimensional schematic diagram of the gouache machine provided by the present invention;

[0030] Figure 2 It is a cross-sectional schematic diagram of the gouache machine provided by the present invention;

[0031] Figure 3 This is an exploded perspective diagram of the powder bin provided by the present invention;

[0032] Figure 4 yes Figure 2 A is an enlarged schematic diagram;

[0033] Figure 5 It is a partial cross-sectional schematic diagram of the stator brush provided by the present invention;

[0034] Figure 6 It is a partial cross-sectional schematic diagram of the swing plate provided by the present invention. DETAILED DESCRIPTION

[0035] In order to make the purpose, technical solutions and advantages of the present invention more clearly understood, the present invention will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0036] The implementation of the present invention is described in detail below with reference to specific embodiments.

[0037] The same or similar numbers in the drawings of this embodiment correspond to the same or similar parts; in the description of the present invention, it should be understood that if the terms "upper", "lower", "left", "right", etc. indicate the orientation or position relationship, they are based on the orientation or position relationship shown in the drawings. This is only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation. Therefore, the terms describing the position relationship in the drawings are only used for illustrative purposes and cannot be understood as limiting this patent. For ordinary technicians in this field, the specific meanings of the above terms can be understood according to specific circumstances.

[0038] Reference Figure 1-6 The figure shows a preferred embodiment of the present invention.

[0039] The pudding machine in this embodiment is suitable for taking milk powder and various edible nutritional powders.

[0040] The method for automatically discharging powder and water from a gouache machine comprises the following steps:

[0041] 1) The gouache machine includes a body, a powder bin 300, and a water outlet pipe for discharging hot water. A rotating quantitative turntable 302 is provided in the powder bin 300. The body is provided with a powder outlet 3011 that is connected to the powder bin 300 and discharges the powder. An inverted powder tank is placed on the body and is connected to the powder bin 300. Start the gouache machine and set the powder discharge parameters and water outlet parameters.

[0042] 2) According to the powder discharge parameters, the quantitative turntable 302 rotates to discharge the powder in the powder bin 300 through the powder outlet 3011 in a quantitative manner; according to the water discharge parameters, the water outlet pipe discharges a quantitative amount of water.

[0043] The automatic powder and water discharge method of the water-based powder machine provided above sets the powder parameters and water parameters, and the quantitative turntable 302 rotates gradually to discharge the powder in the powder bin 300 in a quantitative manner, and the water outlet pipe discharges the water, and the water is mixed with the powder to form a powder liquid; the powder tank is arranged in an inverted shape on the machine body to facilitate the discharge of the powder, and there is no need to suck the powder in the powder tank. The powder can be used to fall into the powder bin 300 by itself. The structure is simple and the powder is discharged smoothly.

[0044] A controller is provided within the machine body, and a control area is provided on the machine body. In step 1), the powder discharge parameters and water discharge parameters are set via the control area. The control area may include a display screen, which may be a touch screen display that can be operated by touch and can also display water and powder parameters. Alternatively, the control area may include buttons, etc.

[0045] The machine body has an operating area for placing a container 200, the water outlet pipe has a water outlet for discharging water, and the powder outlet 3011 and the water outlet are respectively located above the operating area; in step 2), the powder discharged from the powder outlet 3011 and the water discharged from the water outlet respectively enter the container 200 in the operating area.

[0046] Containers 200 such as cups or milk powder cups can be placed in the operation area. The operation area is provided with a base, and a turntable is provided on the base. The turntable is provided with a groove for placing the container 200. The container 200 is placed in the groove of the turntable. When the machine body is in the process of discharging powder and water, the turntable can drive the container 200 to rotate, so that the powder and water entering the container 200 are mixed more evenly.

[0047] A water tank 101 is provided on the machine body, one end of a water outlet pipe is connected to the water tank 101, the other end of the water outlet pipe forms the water outlet, and the middle part of the water outlet pipe passes through the heating structure; in step 2), when the water in the water tank 101 flows toward the water outlet through the water outlet pipe, the heating structure heats the water in the water outlet pipe to a set temperature according to the parameters of the water outlet, and the water heated to the set temperature is discharged through the water outlet.

[0048] Alternatively, a heating structure may be provided on the water tank 101 to heat the water in the water tank 101, and the heated water is then discharged through the outlet pipe. The heating structure may be a heating plate, etc., as long as it can heat the water to a set temperature.

[0049] The top of the machine body has a concave cavity in which the powder supply bin 300 is inserted. The powder bin 300 includes a bin body 301. The bin body 301 has a bin cavity 3012 for accommodating powder dropped from the powder tank. The bin cavity 3012 passes through the top of the bin body 301 to form a top opening. The bottom of the bin body 301 is provided with the powder outlet 3011.

[0050] The quantitative turntable 302 is provided with a plurality of quantitative grooves 3021 that pass through the quantitative turntable 302 from top to bottom and accommodate a quantitative amount of powder. The plurality of quantitative grooves 3021 are arranged at intervals along the circumference of the quantitative turntable 302, and a shielding portion 3022 is provided between adjacent quantitative grooves 3021 to cover the powder outlet 3011; in step 1), when the powder tank is inverted on the machine body, the powder tank is connected to the storage cavity 3012 through the top opening.

[0051] In step 2), during the rotation of the quantitative turntable 302, when the quantitative groove 3021 is connected to the powder outlet 3011, the quantitative powder in the quantitative groove 3021 is discharged through the powder outlet 3011. When the quantitative groove 3021 and the powder outlet 3011 are offset, the shielding portion 3022 covers the powder outlet 3011.

[0052] Since the volume of the quantitative groove 3021 is fixed, the amount of powder formed in the quantitative groove 3021 is fixed. When the quantitative groove 3021 equipped with powder is rotated to be connected with the powder outlet 3011, the powder in the quantitative groove 3021 falls through the powder outlet 3011. When the quantitative groove 3021 and the powder outlet 3011 are misaligned and not connected, the powder outlet 3011 is covered by the shielding portion 3022. In this way, the powder discharged from the powder outlet 3011 can be quantitative.

[0053] A fixed stator brush 303 is provided on the quantitative turntable 302, and a powder scraping brush 3031 is provided at the end of the stator brush 303. The powder scraping brush 3031 abuts against the quantitative turntable 302 and is located above the powder outlet 3011; in step 2), during the rotation of the quantitative turntable 302, when the quantitative groove 3021 and the powder scraping brush 3031 overlap up and down, as the powder scraping brush 3031 and the positioning groove rotate relative to each other, the powder scraping brush 3031 scrapes off the powder above the quantitative groove 3021, so that the powder discharged through the powder outlet 3011 is the quantitative powder in the quantitative groove 3021; ​​when the quantitative groove 3021 passes over the powder outlet 3011 and is offset from the powder outlet 3011 and the powder scraping brush 3031, the powder in the chamber 3012 is filled in the quantitative groove 3021.

[0054] When the quantitative turntable 302 is rotating, the stator brush 303 is fixed, and the powder scraping brush 3031 will pass through the powder on the quantitative turntable 302. When the powder scraping brush 3031 is hanging on the top of the quantitative groove 3021, the powder above the quantitative groove 3021 will be brushed out, so that when the quantitative groove 3021 is connected to the powder outlet 3011, there is powder only in the quantitative groove 3021, and there is no powder on the quantitative groove 3021.

[0055] Two powder scraping brushes 3031 are provided at the end of the stator brush 303. The two powder scraping brushes 3031 are arranged at intervals along the rotation direction of the quantitative turntable 302. The two powder scraping brushes 3031 are respectively located on both sides of the powder outlet 3011; a spacing area 3032 is provided between the two powder scraping brushes 3031, and the spacing area 3032 is larger than the width of the quantitative groove 3021; ​​in step 2), during the rotation of the quantitative turntable 302, when the quantitative groove 3021 is aligned with the powder outlet 3011 up and down, the quantitative groove 3021 is located in the spacing area 3032.

[0056] In this way, when the metering groove 3021 is connected to the powder outlet 3011, under the restriction of the two powder scraping brushes 3031, the powder in the powder bin 300 will not enter the spacing area 3032, that is, it will not be discharged through the powder outlet 3011, ensuring that only the powder in the metering groove 3021 connected to the powder outlet 3011 can be discharged through the powder outlet 3011 each time, and ensuring the quantitative amount of the discharged powder.

[0057] In this embodiment, an elastic stirring block 3033 is provided on the stator brush 303, and the stirring block 3033 is arranged in the spacing area 3032, between the two powder scraping brushes 3031. The upper end of the stirring block 3033 is docked on the stator brush 303, and the lower end of the stirring block 3033 is extended downward. When the metering groove 3021 rotates to the spacing area 3032 and is connected with the powder outlet 3011, the stirring block 3033 enters the metering groove 3021 and breaks up the powder in the metering groove 3021 so that the powder in the metering groove 3021 falls into the powder outlet 3011.

[0058] A rotating stirring turntable 304 is provided in the middle of the chamber 3012, and a plurality of hollow areas 3041 extending vertically therethrough are provided in the stirring turntable 304, and the plurality of hollow areas 3041 are arranged at intervals along the circumference of the stirring turntable 304; in step 2), when the quantitative turntable 302 rotates, the stirring turntable 304 rotates synchronously, and the stirring turntable 304 stirs the powder in the chamber 3012.

[0059] The powder in the chamber 3012 is stirred by the stirring turntable 304 , so that the powder in the chamber 3012 is broken up and does not clump, thereby facilitating the flow of the powder in the chamber 3012 .

[0060] In this embodiment, a door frame 306 is provided in the chamber 3012, two powder dropout ports 3061 are provided in the door frame 306, and a crossbeam 3062 is provided between the two powder dropout ports 3061; a swinging piece 305 for sealing or opening the powder dropout port 3061 is connected to the door frame 306, the inner end of the swinging piece 305 is hinged to the crossbeam, and the outer end of the swinging piece 305 is freely arranged; a limit strip 307 is extended downward from the outer periphery of the door frame 306, and a limit block 3071 is provided on the limit strip 307 for limiting the swinging piece 305 from swinging downward to the extreme position.

[0061] In step 1), when the powder tank is inverted on the powder silo 300, the outer end of the swing plate 305 swings downward away from the silo door frame 306 to the limit block 3071, the powder dropout port 3061 opens, and the powder in the powder tank enters the silo cavity 3012 through the powder dropout port 3061; when the powder silo 300 is separated from the machine body and when the powder silo 300 is placed in the forward direction, the outer end of the swing plate 305 swings toward the silo door frame 306 and abuts against the silo door frame 306, the swing plate 305 closes the powder dropout port 3061, and restricts the powder in the silo cavity 3012 from being discharged from the powder dropout port 3061 in the reverse direction.

[0062] When the powder tank is placed on the powder bin 300, the outer end of the swing plate 305 swings downward away from the bin door frame 306 due to the weight of the swing plate 305. At this time, the powder outlet 3061 is opened, and the powder in the powder tank enters the bin cavity 3012. When the powder tank needs to be replaced, the powder bin 300 and the powder tank are removed from the machine body. At this time, the powder tank is placed upright and the powder bin 300 is inverted. Only then, under the action of the weight of the swing plate 305, the outer end of the swing plate 305 swings toward the bin door frame 306, thereby closing the powder outlet 3061. During the process of changing the powder tank, the powder in the bin cavity 3012 will not be discharged backward through the powder outlet 3061, thus preventing the powder in the bin cavity 3012 from being discharged during the process of changing the powder tank.

[0063] A mounting ring 308 is provided on the door frame 306, which encloses an annular area. The annular area is located above the silo cavity 3012. When the powder tank is placed on the silo body 301, the powder tank is connected to the mounting ring 308, thereby realizing the connection between the powder tank and the powder silo 300.

[0064] An annular groove 3081 is provided in the mounting ring 308 . When the powder tank is connected to the mounting ring 308 , the powder tank is embedded in the annular groove 3081 .

[0065] In this embodiment, the swing piece 305 has an upwardly facing top surface, on which a plurality of flexible membrane strips 500 arranged in strips are provided. The flexible membrane strips 500 extend from the inner end to the outer end of the swing piece 305, and a closed strip-shaped cavity 501 is formed between the flexible membrane strips 500 and the top surface.

[0066] A sheet-shaped elastic strip 502 is provided in the strip-shaped cavity 501 and extends along the length of the strip-shaped cavity 501. The outer end of the elastic strip 502 is fixedly connected to the top surface of the swinging piece 305, and the inner end of the elastic strip 502 is connected to the flexible membrane strip 500. The elastic strip 502 is arranged to be tilted upward and away from the top surface of the swinging piece 305 along the direction from the outer end to the inner end of the strip-shaped cavity 501. An elastic block is provided on the limit block 3071.

[0067] In step 2), the outer end of the swinging piece 305 swings downward and abuts against the elastic block. The powder in the powder tank passes through the powder drop port 3061 and falls downward into the chamber 3012 along the top surface of the swinging piece 305. As the pressure on the swinging piece 305 changes, the elastic block drives the swinging piece 305 to swing up and down, and the elastic strip 502 elastically deforms up and down relative to the top surface of the swinging piece 305, driving the flexible membrane strip 500 to fluctuate up and down.

[0068] By providing a flexible diaphragm and an elastic strip 502 in the strip-shaped cavity 501 enclosed by the flexible diaphragm, when the pressure of the powder falling on the swinging piece 305 changes, the flexible diaphragm fluctuates up and down under the drive of the elastic strip 502, which can better push the powder on the top surface of the swinging piece 305 to fall down, avoiding the formation of powder accumulation on the top surface.

[0069] By providing the elastic block, when the pressure of the powder on the top surface changes, the elastic block drives the swing piece 305 to swing up and down, thereby better shaking off the powder on the top surface.

[0070] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. The method for automatically discharging powder and water from a gouache machine is characterized in that: The following steps are involved: 1) The gouache machine comprises a body, which includes a powder bin and a water outlet pipe for discharging hot water. The powder bin is provided with a rotating quantitative turntable. The body is provided with a powder outlet connected to the powder bin and discharging powder. An inverted powder tank is placed on the body, which is connected to the powder bin. The gouache machine is started and powder discharge parameters and water outlet parameters are set. 2) According to the powder discharge parameters, the quantitative turntable rotates to discharge a quantitative amount of powder in the powder bin through the powder outlet; according to the water discharge parameters, the water outlet pipe discharges a quantitative amount of water; The top of the machine body has a concave cavity in which a powder supply bin is inserted. The powder bin includes a bin body, and the bin body has a bin cavity for accommodating powder dropped from the powder tank. The bin cavity passes through the top of the bin body to form a top opening, and the bottom of the bin body is provided with the powder outlet. The quantitative turntable is provided with a plurality of quantitative grooves which pass through the quantitative turntable and accommodate quantitative powder. The plurality of quantitative grooves are arranged at intervals along the circumference of the quantitative turntable, and a shielding portion for covering the powder outlet is provided between adjacent quantitative grooves; In step 1), when the powder tank is inverted on the machine body, the powder tank is connected to the chamber through the top opening; In step 2), during the rotation of the quantitative rotary disk, when the quantitative groove is connected to the powder outlet, the quantitative powder in the quantitative groove is discharged through the powder outlet, and when the quantitative groove and the powder outlet are offset, the shielding portion covers the powder outlet; A door frame is provided in the chamber, and two powder outlets are provided in the door frame, and a crossbeam is provided between the two powder outlets; a swing plate for closing or opening the powder outlet is connected to the door frame, the inner end of the swing plate is hinged to the crossbeam, and the outer end of the swing plate is freely arranged; a limit strip extends downward from the outer periphery of the door frame, and a limit block is provided on the limit strip for limiting the swing plate from swinging downward to the extreme position; In the step 1), when the powder tank is inverted on the powder silo, the outer end of the swing plate swings downward away from the silo door frame to the limit block, the powder dropout port is opened, and the powder in the powder tank enters the silo cavity through the powder dropout port; when the powder silo is separated from the machine body and when the powder silo is placed in the forward direction, the outer end of the swing plate swings toward the silo door frame and abuts against the silo door frame, and the swing plate closes the powder dropout port, thereby limiting the powder in the silo cavity from being discharged from the powder dropout port in the reverse direction.

2. The method for automatically discharging powder and water from a gouache machine according to claim 1, wherein: A controller is provided in the machine body, and a control area is provided on the machine body; in the step 1), the powder discharge parameters and the water discharge parameters are set through the control area.

3. The automatic powder and water discharging method of a gouache machine as claimed in claim 1, characterized in that: The machine body has an operating area for placing containers, the water outlet pipe has an outlet for discharging water, and the powder outlet and the water outlet are respectively located above the operating area; in step 2), the powder discharged from the powder outlet and the water discharged from the water outlet respectively enter the container in the operating area.

4. The method for automatically discharging powder and water from a gouache machine as claimed in claim 3, wherein: A water tank is provided on the machine body, one end of the water outlet pipe is connected to the water tank, the other end of the water outlet pipe forms the water outlet, and the middle portion of the water outlet pipe passes through the heating structure; In step 2), when the water in the water tank flows toward the water outlet through the water outlet pipe, the heating structure heats the water in the water outlet pipe to a set temperature according to the water outlet parameters, and the water heated to the set temperature is discharged through the water outlet.

5. The method for automatically discharging powder and water from a gouache machine according to any one of claims 1 to 4, wherein: The quantitative turntable is provided with a fixed stator brush, the end of the stator brush is provided with a powder scraping brush, the powder scraping brush abuts against the quantitative turntable and is located above the powder outlet; In step 2), during the rotation of the quantitative rotary disk, when the quantitative groove and the powder scraping brush overlap each other, as the powder scraping brush and the positioning groove rotate relative to each other, the powder scraping brush scrapes off the powder above the quantitative groove, so that the powder discharged through the powder outlet is the quantitative powder in the quantitative groove; When the quantitative groove passes over the powder outlet and is offset from the powder outlet and the powder scraping brush, the powder in the chamber is filled in the quantitative groove.

6. The method for automatically discharging powder and water from a gouache machine according to claim 5, wherein: Two powder scraping brushes are provided at the end of the stator brush. The two powder scraping brushes are arranged at intervals along the rotation direction of the quantitative rotary disk. The two powder scraping brushes are respectively located on both sides of the powder outlet. A spacing area is provided between the two powder scraping brushes, and the spacing area is larger than the width of the quantitative groove. In the step 2), during the rotation of the quantitative rotary disk, when the quantitative groove is vertically aligned with the powder outlet, the quantitative groove is located in the spacing area.

7. The method for automatically discharging powder and water from a gouache machine according to any one of claims 1 to 4, characterized in that: A rotating stirring disc is provided in the middle of the chamber, and a plurality of hollow areas extending vertically therethrough are provided in the stirring disc, and the plurality of hollow areas are arranged at intervals along the circumference of the stirring disc; In the step 2), when the quantitative turntable rotates, the stirring turntable rotates synchronously, and the stirring turntable stirs the powder in the chamber.

8. The method for automatically discharging powder and water from a gouache machine according to any one of claims 1 to 4, characterized in that: The swing plate has an upwardly facing top surface, on which a plurality of flexible membrane strips arranged in strips are provided. The flexible membrane strips extend from the inner end to the outer end of the swing plate, and the flexible membrane strips and the top surface are enclosed to form a closed strip-shaped cavity. A sheet-shaped elastic strip is provided in the strip-shaped cavity, and the elastic strip extends along the length direction of the strip-shaped cavity; the outer end of the elastic strip is fixedly connected to the top surface of the swing plate, and the inner end of the elastic strip is connected to the flexible membrane strip, and along the direction from the outer end to the inner end of the strip-shaped cavity, the elastic strip is tilted upward and away from the top surface of the swing plate; an elastic block is provided on the limit block; In step 2), the outer end of the swinging piece swings downward and abuts against the elastic block. In the process of the powder in the powder tank passing through the powder drop port and falling downward into the chamber along the top surface of the swinging piece, as the pressure on the swinging piece changes, the elastic block drives the swinging piece to swing up and down, and the elastic strip elastically deforms up and down relative to the top surface of the swinging piece, driving the flexible membrane strip to fluctuate up and down.

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