WO2020237891A1

WO2020237891A1 - Impellent metered powder dispensing apparatus and milk powder brewing machine

Info

Publication number: WO2020237891A1
Application number: PCT/CN2019/104166
Authority: WO
Inventors: 陈志刚
Original assignee: 深圳太多电器科技有限公司
Priority date: 2019-05-28
Filing date: 2019-09-03
Publication date: 2020-12-03
Also published as: CN110150989A

Abstract

An impellent metered powder dispensing apparatus (100) and a milk powder brewing machine, wherein the metered powder dispensing apparatus (100) comprises a powder box (1), a powder mixing chamber (2), a spiral-type impeller (3), a disk-type powder mixer (4), and a driver (5). The bottom of the powder box (1) is provided thereon with a powder outlet and a rotating shaft mounting hole; a rotating shaft (51) of the driver (5) extends out from the rotating shaft mounting hole, and is in transmission connection with the disk-type powder mixer (4); the driver (5) is provided thereon with a driving bevel gear (52), one end of the spiral-type impeller (3) is provided with a driven bevel gear (31); the driven bevel gear (31) extends out of the powder mixing chamber (2) to be in cooperative meshing transmission with the driving bevel gear (52); the powder mixing chamber (2) is provided with a powder inlet and a powder outlet, the powder inlet of the powder mixing chamber (2) communicates with the powder outlet of the powder box (1); the powder outlet of the powder mixing chamber (2) is located at a terminal in the advancing direction of the spiral-type impeller (3). By means of providing the spiral-type impeller (3) and thereby accurately controlling the rotation angle and speed thereof, the objectives of accurate metering ingredients and preventing powder from agglomerating are met, and existing mixers and powder scraping plates are prevented from jamming and thus being unable to rotate during rotation.

Description

Propelling type powder material quantitative distribution device and milk powder preparation machine

Technical field

The invention relates to the field of milk preparation machines, and more specifically, to a propulsion type powder quantitative dispensing device and a milk powder preparation machine.

Background technique

With the improvement of people's consumption level, more and more automated machines appear instead of manual labor. At present, beverage preparation machines and milk powder preparation machines sold on the market are produced instead of manual preparation of beverage powder and milk powder. This type of preparation device will be equipped with a powder distribution device with similar functions, which can be configured with a quantitative powder according to people's needs; while the existing powder distribution device uses a disc mixer and a scraper to distribute the powder, and There are no powder tanks on the market that have a sealed moisture-proof system structure, and the powder outlet is set at the bottom of the powder distribution device. When the powder is distributed, the rotation of the disc mixer and the scraper is easy to be damp and jammed. , And the discontinuity of the powder material, resulting in uneven powder distribution and easy to form a lump.

In addition, the quantitative powder is then sent to the brewing chamber for water mixing and brewing. Because the powder outlet of the existing powder dispensing device is directly connected to the brewing chamber, the water vapor in the brewing chamber will be mixed into the powder dispensing device , Make the beverage powder and milk powder damp and reduce the quality of the powder.

Summary of the invention

The technical problem to be solved by the present invention is to provide a push-type powder quantitative dispensing device, a milk powder preparation machine and a milk powder preparation machine in view of the above-mentioned defects of the prior art. By setting the disc mixer and the screw propeller to combine the powder to replace the original single disc agitating powder, the screw type can be accurately controlled by controlling the number of teeth of the driving bevel gear and the driven bevel gear in the drive. The rotation angle and speed of the propeller achieve the purpose of accurate quantitative batching, and avoid the rotation of the existing agitator and scraper which is easy to jam and cannot rotate.

The technical solution adopted by the present invention to solve its technical problem is to provide a propulsion type powder quantitative distribution device, which includes a powder box for containing powder, a powder mixing chamber for pre-mixed powder, and a quantitative distribution of powder The screw propeller, the disc mixer for stirring and pushing the powder in the powder box into the powder mixing chamber, the drive for driving the screw propeller and the disc mixer to rotate; the powder box The bottom of the box is provided with a powder outlet and a rotating shaft mounting hole; the rotating shaft of the driver extends from the rotating shaft mounting hole and is in transmission connection with the disc mixer installed in the powder box; the driver is provided with an active cone The spiral propeller is provided with a driven bevel gear at one end; the spiral propeller is arranged in the powder distribution chamber, and the driven bevel gear extends out of the powder distribution chamber to mesh with the driving bevel gear; The powder mixing chamber is provided with a powder inlet and a powder outlet, and the powder inlet of the powder mixing chamber is connected with the powder outlet of the powder box; the powder outlet of the powder mixing chamber is located at the end of the forward direction of the screw propeller.

The propelled powder dosing device of the present invention, wherein the propelled powder dosing device further includes a sealing device for preventing the powder of the entire powder tank system from being damp and preventing powder from caking; the sealing device It includes a sealing sheet for sealing the powder outlet of the powder mixing chamber, a bracket for installing the sealing sheet, and a driving device for driving the sealing sheet forward or backward.

In the propelling powder quantitative dispensing device of the present invention, a sealing ring accommodating groove is provided on the rotating shaft, and a sealing ring is installed in the sealing ring accommodating groove; A ring accommodating groove, the sealing ring accommodating groove is equipped with a sealing ring; the powder box is provided with a box body and an upper cover on the box body, and a sealing ring is arranged between the box body and the upper cover A groove, a sealing ring is installed in the sealing ring accommodating groove.

The push-type powder quantitative distribution device of the present invention, wherein the push-type powder quantitative distribution device further includes a vacuum device, the top or side of the powder box is provided with an air suction pipe, and the vacuum device is connected with the suction pipe.

The invention also provides a milk powder preparation machine, which comprises the above-mentioned propelling powder quantitative distribution device.

The milk powder brewing machine of the present invention further includes a heating device and a water tank assembly, and the heating device is in communication with the water tank assembly for heating the water flowing into the heating device from the water tank assembly.

The milk powder brewing machine of the present invention further comprises a brewing device, which comprises a mixing and brewing chamber for mixing powder and water and a stirring and brewing chamber for mixing powder and water; The mixing and brewing chamber is arranged at the bottom of the mixing and brewing chamber; the powder outlet of the powder mixing chamber is connected with the mixing and brewing chamber, and the mixing and brewing chamber is provided with a direct drinking water pipe.

The milk powder brewing machine of the present invention, wherein a stirring paddle and a motor connected to the stirring paddle are provided in the stirring and brewing chamber.

The milk powder brewing machine of the present invention, wherein the bottom part of the brewing device is provided with a direct drinking water outlet and a powdered water outlet.

The milk powder brewing machine of the present invention further includes a monitor for monitoring the amount of powder output and a control device for controlling the amount of powder output. The monitor is electrically connected to the control device; the monitor includes a gear set and an optocoupler. Inductor and motor, the output end of the gear set vertically penetrates the bottom of the powder box and is fixedly connected to the rotating shaft of the driver; the gear set has at least two gaps arranged at intervals, and the gap is connected to the agitator The powder distribution hole corresponds; the photocoupler sensor is used for sensing the gap; the motor is electrically connected with the control device, and the output end of the motor is drivingly connected with the input end of the gear set.

The push-type powder quantitative dispensing device and milk powder preparation machine implementing the present invention have the following

Benefits:

(1) By setting the disc mixer and the screw propeller to combine the powder to replace the original single disc mixing powder, the number of teeth of the driving bevel gear and the driven bevel gear in the drive is controlled to be precise The rotation angle and speed of the screw propeller are controlled to achieve the purpose of accurately quantifying the ingredients, and to avoid the rotation of the existing agitator and the scraper which is easy to jam and cannot rotate.

(2) In addition, by setting the powder distribution chamber, the powder outlet is kept away from the powder box, reducing water vapor entering the powder box, preventing the powder from being damp, and improving the powder quality preservation effect.

(3) The push-type powder quantitative dosing device also includes a sealing device for preventing the powder of the entire powder tank system from being damp and preventing the powder from agglomerating. A sealing sheet is set at the powder outlet of the powder mixing chamber. When the time, the driving device drives the sealing sheet back to complete the process of powder entering the brewing device to complete the blanking; when the blanking is completed, the driving device drives the sealing sheet forward to seal the powder outlet of the powder mixing chamber to prevent the milk powder from getting wet. Improve the quality of milk powder.

(4) The setting of the vacuum device can improve the shelf life of the powder.

Description of the drawings

The present invention will be further described below in conjunction with the accompanying drawings and embodiments. In the accompanying drawings:

Figure 1 is a schematic structural diagram of a push-type powder quantitative dispensing device according to a preferred embodiment of the present invention;

Figure 2 is a schematic cross-sectional view of a push-type powder dosing device according to a preferred embodiment of the present invention;

Fig. 3 is a schematic structural diagram of a milk powder preparation machine according to a preferred embodiment of the present invention;

4 is a schematic diagram of the internal structure of a milk powder preparation machine according to a preferred embodiment of the present invention;

5 is a schematic cross-sectional view of the internal structure of the milk powder brewing machine according to the preferred embodiment of the present invention;

Fig. 6 is an enlarged schematic diagram of area A in Fig. 5;

Fig. 7 is a structural diagram of a brewing device according to a preferred embodiment of the present invention.

Among them, 100. Propelled powder quantitative distribution device; 1. Powder box; 11. Air suction pipe; 2. Powder distribution chamber; 3. Screw propeller; 31. Driven bevel gear; 4. Disc mixer 5. Drive; 51. Rotation shaft; 52. Active bevel gear; 6. Seal sheet; 7. Support; 8. Drive device; 9. Vacuum device; 10. Seal ring accommodating groove; 200. Heating device; 300. Water tank components; 400. Preparation device; 401. Mixing and preparation room; 402. Stirring and preparation room; 403. Direct drinking water pipe; 404. Motor; 405. Direct drinking water outlet; 406. Preparation powder water outlet; 500. Monitor; 501, gear set; 502, optocoupler sensor; 503, motor; 504, gap; 600, control device.

Detailed ways

Hereinafter, the present invention will be further described with reference to the drawings and specific implementations:

Embodiment 1 A push-type powder quantitative distribution device

As shown in Figure 1-2, a push-type powder dosing device 100 includes a powder box for containing powder, a powder mixing chamber for pre-dispensing powder, and a screw type for quantitative powder distribution. Propeller 3, a disc mixer 4 for stirring and pushing the powder in the powder box into the powder mixing chamber 4, a driver 5 for driving the spiral propeller and the disc mixer to rotate; the powder box The bottom of the box is provided with a powder outlet and a rotating shaft mounting hole; the rotating shaft 51 of the driver protrudes from the rotating shaft mounting hole and is in transmission connection with the disc mixer installed in the powder box; the driver is provided with a drive Conical gear 52, one end of the screw propeller is provided with a driven bevel gear 31; the screw propeller is arranged in the powder distribution chamber, and the driven bevel gear extends out of the powder distribution chamber and engages with the driving bevel gear for transmission The powder mixing chamber is provided with a powder inlet and a powder outlet, the powder inlet of the powder mixing chamber communicates with the powder outlet of the powder box; the powder outlet of the powder mixing chamber is located at the end of the forward direction of the screw propeller.

By setting the screw propeller to replace the original mixing powder, by controlling the number of teeth of the driving bevel gear and the driven bevel gear in the drive, the rotation angle and speed of the screw propeller can be precisely controlled to achieve precision. The purpose of quantitative batching, and avoids that the rotation of the existing mixer and the scraper is easy to jam and cannot rotate. In addition, by setting the powder distribution chamber, the powder outlet is far away from the powder box, reducing water vapor entering the powder box, preventing the powder from being damp, and improving the powder quality preservation effect.

As a further preferred solution, the push-type powder dosing device further includes a sealing device for preventing the powder of the entire powder tank system from being damp and preventing the powder from agglomerating. The entire powder box system includes a powder box and a powder mixing room, which are used for powder loading and distribution. The powder box system of this application is a sealed or vacuum system, which is one of the core points of this product, and its purpose is to prevent the powder from damp-proof by vacuum and to prevent the powder from caking.

Specifically, the sealing device includes a sealing sheet 6 for sealing the powder outlet of the powder mixing chamber, a bracket 7 for installing the sealing sheet, and a driving device 8 for driving the sealing sheet forward or backward. The sealing sheet is installed on the bracket, and the driving device drives the sealing sheet to advance or retreat to seal or open the powder outlet of the powder distribution chamber. When the powder needs to be pushed in, the driving device drives the sealing sheet back to complete the powder entering and flushing. The process of adjusting the device completes the blanking; when the blanking is completed, the driving device drives the sealing sheet forward to seal the powder outlet of the powder mixing chamber to prevent the milk powder from getting wet and improve the quality of the milk powder.

As a further preferred solution, a sealing ring accommodating groove 10 is provided on the rotating shaft, and a sealing ring is installed in the sealing ring accommodating groove; a sealing ring accommodating groove 10 is provided on the spiral propeller, and the sealing ring A sealing ring is installed in the accommodating groove; the powder box is composed of a box body and an upper cover that covers the box body. A sealing ring accommodating groove 10 is provided between the box body and the upper cover, and the sealing ring accommodates A sealing ring is installed in the groove. By setting three sealing rings, the air tightness of the entire powder tank system is improved, and together with the sealing device, it forms a sealing and moisture-proof function.

As a further preferred solution, the push-type powder quantitative dispensing device further includes a vacuuming device 9, a suction pipe 11 is provided on the top or side of the powder box, and the vacuuming device is in communication with the suction pipe. The setting of the vacuum device can improve the shelf life of the powder.

Example 2 A milk powder preparation machine

As shown in Figs. 3-6, the milk powder preparation machine includes the propellant powder dosing device 100 as described in Embodiment 1. See the propellant powder dosing device 100 in Embodiment 1.

As a further preferred solution, the milk powder brewing machine further includes a heating device 200 and a water tank assembly 300, and the heating device is in communication with the water tank assembly for heating the water flowing into the heating device from the water tank assembly. The hot water heated by the heating device can flow out through the hot water outlet provided on the heating device, and flow into the three-way solenoid valve through the first port of the three-way solenoid valve connected with the hot water outlet. The hot water in the three-way solenoid valve can flow out through the second port of the three-way solenoid valve, and flow into the brewing device through the straight drinking water pipe provided on the side of the brewing device, and the hot water located at the bottom of the brewing device The direct drinking water outlet can be used to provide direct drinking water; the hot water in the three-way solenoid valve can also flow out through the third port of the three-way solenoid valve, and through the third port connected with the third port on the side of the brewing device. The water inlet flows into the brewing device and is mixed with the powder in the brewing device for blending, and the powdered water outlet at the bottom of the brewing device can be used to provide water for powder.

As a further preferred solution, as shown in Figure 7, the milk powder brewing machine further includes a brewing device 400, which includes a mixing and brewing chamber 401 for mixing powder and water, and a mixing chamber 401 for mixing powder and water. The brewing chamber 402; the stirring and brewing chamber is arranged at the bottom of the mixing and brewing chamber; the powder outlet of the powder mixing chamber is connected with the mixing and brewing chamber, and the powder used for brewing in the brewing device is prepared by The powder chamber is discharged. A direct drinking water pipe 403 is provided on the mixing and brewing chamber. The purpose of setting up the stirring and brewing chamber is to stir the powder and water in the brewing device so that the brewing does not build up. Specifically, a stirring paddle (not shown in the figure) and a motor 404 connected to the stirring paddle are provided in the stirring and brewing chamber.

The bottom part of the brewing device is provided with a direct drinking water outlet 405 and a brewing powder water outlet 406. The direct drinking water pipe 403 and the direct drinking water pipe connected to the direct drinking water outlet 405 are two independent pipes. The direct drinking water outlet 405 is used to directly supply warm water, and the direct drinking water pipe connected to the direct drinking water outlet 405 is used to add direct water to the preparation room. Drink water to mix and stir.

The milk powder preparation machine also includes a monitor 500 for monitoring the powder output and a control device 600 for controlling the powder output, and the monitor is electrically connected to the control device. The monitor monitors the powder output from the powder outlet. When the powder output reaches the specified amount, the monitor will feed back the powder output information to the control device electrically connected to the monitor. The control device is connected to the water tank assembly, The heating device is electrically connected. Therefore, the simple and conventional control program built into the control device can stop the water supply to the water tank assembly, stop the powder discharging device and stop heating the water for the heating device after receiving the signal from the monitor. Precisely control the mixing ratio of water and powder.

The monitor can use the existing conventional infrared monitoring, grating sensor and other devices that can be used to feedback the amount of powder, and the simple and conventional control program of the control device can realize the water supply or stop of the water tank component. As a preferred solution, the monitor includes a gear set 501, an optocoupler sensor 502, and a motor 503. The output end of the gear set is vertically pierced at the bottom of the powder box and is fixedly connected to the rotating shaft of the driver. The gear set has two or more gaps 504 arranged at intervals, and the gaps correspond to the powder holes on the agitator one-to-one; the optocoupler sensor is used to sense the gaps; the motor and the control device are electrically connected, and the output of the motor The end is drivingly connected with the input end of the gear set. In this way, the rotation of the gear set can simultaneously drive the agitator to rotate synchronously, and the powder distribution hole on the agitator and the notch provided on the gear set also rotate correspondingly. With the rotation of the notch, the intensity of the fixed light emitted by the optocoupler sensor and incident on the gear set will change due to the occlusion of the notch. The optocoupler sensor can monitor the amount of powder output by monitoring the change in light intensity , And the optocoupler sensor will feedback the powder output information to the control device. When the powder output reaches the specified amount, the built-in simple program of the control device can act on the motor that is electrically connected to the control device to stop the motor, so that the gear set connected to the output terminal of the motor stops rotating and stops the powder output to achieve precision Control the powder output.

For those skilled in the art, various other corresponding changes and deformations can be made as in the technical solutions and concepts described above, and all these changes and deformations should fall within the protection scope of the claims of the present invention.

Claims

A propelling powder quantitative distribution device, which is characterized in that it comprises a powder box for containing powder, a powder mixing chamber for pre-mixing powder, a screw propeller for quantitative powder distribution, and a powder The powder in the box is stirred and pushed into the disc mixer in the powder mixing chamber, and a driver for driving the screw propeller and the disc mixer to rotate; the bottom of the powder box is provided with a powder outlet and rotation Shaft mounting hole; the rotating shaft of the driver protrudes from the rotating shaft mounting hole and is connected in transmission with a disc mixer installed in the powder box; the driver is provided with an active bevel gear, and one end of the screw propeller is provided There is a driven bevel gear; the spiral propeller is arranged in the powder mixing chamber, and the driven bevel gear extends out of the powder mixing chamber to mesh with the driving bevel gear; the powder mixing chamber is provided with a powder inlet and an outlet Powder port, the powder inlet of the powder mixing chamber is connected with the powder outlet of the powder box; the powder outlet of the powder mixing chamber is located at the terminal of the forward direction of the screw propeller.
The propelling powder dosing device according to claim 1, wherein the propelling powder dosing device further comprises a sealing device for preventing the powder of the entire powder tank system from being damp and preventing the powder from caking; The sealing device includes a sealing sheet for sealing the powder outlet of the powder mixing chamber, a bracket for installing the sealing sheet, and a driving device for driving the sealing sheet forward or backward.
The push-type powder quantitative dispensing device of claim 2, wherein the rotating shaft is provided with a sealing ring accommodating groove, and a sealing ring is installed in the sealing ring accommodating groove; the screw propeller A sealing ring accommodating groove is provided on the sealing ring accommodating groove, and a sealing ring is installed in the sealing ring accommodating groove; the powder box is provided with a box body and an upper cover on the box body, between the box body and the upper cover A sealing ring accommodating groove, and a sealing ring is installed in the sealing ring accommodating groove.
The propelled powder dosing device according to claim 1, characterized in that the propelled powder dosing device further comprises a vacuum device, and the top or side of the powder box is provided with an exhaust pipe, and the vacuum device and The exhaust pipe is connected.
A milk powder preparation machine, characterized by comprising the propelling powder quantitative dispensing device according to any one of claims 1-4.
5. The milk powder brewing machine according to claim 5, further comprising a heating device and a water tank assembly, and the heating device is in communication with the water tank assembly for heating the water flowing into the heating device from the water tank assembly.
The milk powder brewing machine of claim 5, further comprising a brewing device, the brewing device comprising a mixing and brewing chamber for mixing powder and water and a stirring and brewing chamber for mixing powder and water The mixing and brewing chamber is arranged at the bottom of the mixing and brewing chamber; the powder outlet of the powder mixing chamber is connected to the mixing and brewing chamber, and the mixing and brewing chamber is provided with a direct drinking water pipe.
8. The milk powder brewing machine according to claim 7, wherein the stirring and brewing chamber is provided with a stirring paddle and a motor drivingly connected with the stirring paddle.
7. The milk powder brewing machine according to claim 7, wherein the bottom part of the brewing device is provided with a direct drinking water outlet and a powdered water outlet.
The milk powder preparation machine of claim 5, further comprising a monitor for monitoring the amount of powder output and a control device for controlling the amount of powder output, the monitor is electrically connected to the control device; the monitor includes a gear The output end of the gear set vertically penetrates the bottom of the powder box, and is fixedly connected to the rotating shaft of the driver; the gear set has at least two gaps arranged at intervals, and the gap is connected to the The powder distributing hole on the stirrer corresponds; the optocoupler sensor is used for sensing the gap; the motor is electrically connected with the control device, and the output end of the motor is drivingly connected with the input end of the gear set.