WO2017121086A1

WO2017121086A1 - Powder discharge device

Info

Publication number: WO2017121086A1
Application number: PCT/CN2016/090207
Authority: WO
Inventors: 陈清华; 陈超; 曲建泉
Original assignee: 陈清华
Priority date: 2016-01-12
Filing date: 2016-07-15
Publication date: 2017-07-20
Also published as: CN105476489A; CN105476489B

Abstract

A powder discharge device, comprising: a container (100) for containing powder, the bottom of the container (100) being provided with a powder discharge port (110); a scraper, the scraper comprising an inner wall scraping piece (210) provided against the inner wall of the powder discharge port (110); a driving element connected to the scraper, the driving element driving the scraper to move and the inner wall scraping piece (210) moving over the whole inner wall of the powder discharge port (110) in a close abutment state on the inner wall of the powder discharge port (110). Compared with the prior art, the powder discharge device of the present invention solves the technical problem of the powder discharge of the power discharge device being affected as the power discharge port (110) of the power discharge device is blocked.

Description

Powder discharging device

The present application claims the priority of the Chinese Patent Application, which is filed on Jan. 12, 2016, the entire disclosure of which is hereby incorporated by reference.

Technical field

The invention relates to the field of brewing, and in particular to a powder discharging device.

Background technique

The powder discharging device has a wide range of applications, such as a coffee machine for brewing coffee, a milking machine for brewing formulas, and the like. The powder discharging device includes a barrel for accommodating the powder, and the bottom of the barrel is provided with a powder discharging port, and the powder in the barrel is discharged from the powder discharging port. Due to the viscosity of the static electricity or the powder itself, the powder may stick to the inner wall of the powder outlet, causing the powder outlet to be blocked and affecting the powder output of the powder outlet. In addition, the powder adhered to the powder outlet may be deteriorated when exposed to the air for a long time. Affect the safety of the finished product.

Summary of the invention

The invention provides a powder discharging device, which solves the technical problem that the powder discharging port of the powder discharging device is blocked and affects the powder discharging device of the powder discharging device, compared with the prior art.

In order to achieve the above object, the present invention provides the following technical solutions:

A powder discharging device comprising:

a bucket for containing powder, the bottom of the bucket being provided with a powder outlet;

a scraper comprising an inner wall scraper disposed on an inner wall of the powder outlet;

a driving element coupled to the scraper, the driving element driving the scraper to move and the inner wall scraping member to move against the inner wall of the powder outlet through the entire inner wall of the powder outlet.

Preferably, the powder outlet is cylindrical;

The inner wall scraper is flush with the two nozzles of the cylindrical powder outlet; the inner wall scraper is closely attached to the cylindrical powder outlet with the axis of the cylindrical powder outlet as a rotating shaft The inner wall rotates.

Preferably, the scraper further includes a bent portion fixed at an end of the inner wall scraping member and the outlet of the powder discharging cylinder, the bent portion being bent in a direction away from an axis of the cylindrical powder discharging port And close to the powder discharge port; wherein the powder discharge port is the cylindrical mouth of the cylindrical powder outlet for discharging powder;

The driving element drives the scraper to move and the bent portion rotates against the outlet of the powder discharging cylinder with the axis of the cylindrical powder discharging port as a rotating shaft.

Preferably, the scraper further includes a fixing portion fixed at an end of the bent portion away from the inner wall scraping member, the fixing portion extending toward an outer bottom portion of the drum;

The driving element is a swivel and the end surface of the rotating ring is provided with a card slot, and the scraper and the rotating ring are fixed together by the fixing portion and the card slot;

The rotating ring and the cylindrical powder outlet are coaxially sleeved on an outer surface of the cylindrical powder outlet.

Preferably, the scraper is an integrated structure.

Preferably, the inner wall scraping member is a rod-shaped inner wall scraping member.

Preferably, the bent portion is a rod-shaped bent portion.

Preferably, the outer bottom surface of the barrel is fixed with a magnet around the cylindrical powder outlet;

The rotating ring and the magnet are mutually adsorbed; the rotating ring is adsorbed and mounted on an outer bottom surface of the barrel by the magnet.

Preferably, the method further includes:

a rotating electrical machine disposed below the drum;

a powder feeding rotor disposed at an inner bottom of the drum and fixed to an output shaft of the rotating electrical machine, wherein an output shaft of the rotating electrical machine drives the powder feeding rotor to rotate;

a transmission gear fixed to an output shaft of the rotating electrical machine, the transmission gear driving the rotating ring to rotate synchronously.

Preferably, a gear is disposed on an outer side of the rotating ring;

Between the gear on the outer side of the swivel and the transmission gear is a gear transmission or a synchronous belt transmission.

The powder discharging device provided by the present invention comprises a bucket, a scraper and a driving component connected to the scraper, wherein the bottom of the bucket is provided with a powder outlet, and the scraper comprises an inner wall which is closely disposed on the inner wall of the powder outlet. Scraper. Thus, under the driving of the driving element, the scraper moves and the inner wall scraper abuts The inner wall of the powder outlet moves through the entire inner wall of the powder outlet, that is, the inner wall scraper scrapes through the entire inner wall of the powder outlet. Thus, if any position of the inner wall of the powder outlet is adhered to the powder, the inner wall scraping member scrapes the entire inner wall of the powder outlet to clean the powder adhering to the inner wall of the powder outlet to prevent clogging of the powder outlet. Compared with the prior art, the technical problem of affecting the powder discharge of the powder discharging device caused by the clogging of the powder discharging port of the powder discharging device is solved.

DRAWINGS

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, a brief description of the drawings used in the embodiments or the prior art description will be briefly described below. Obviously, the drawings in the following description It is a certain embodiment of the present invention, and other drawings can be obtained from those skilled in the art without any creative work.

Figure 1 is a partial schematic view of the powder discharging device of the present invention;

Figure 2 is a partially exploded perspective view of the powder discharging device shown in Figure 1;

Figure 3 is a cross-sectional view showing a portion of the powder discharging device shown in Figure 1;

Fig. 4 is another partial schematic view of the powder discharging device of the present invention.

The main components are marked with instructions:

100 barrels, 110 powder outlets, 210 inner wall scrapers, 220 bends, 230 fixed parts, 300 swivels,

400 magnets, 500 powder feeding rotors, 600 transmission gears.

detailed description

The technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the drawings in the embodiments of the present invention. It is a partial embodiment of the invention, and not all of the embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without creative efforts are within the scope of the present invention.

The powder discharging device of one embodiment of the present invention, as shown in FIG. 1, FIG. 2, FIG. 3 and FIG. 4, includes:

a bucket 100 for containing powder, the bottom of the bucket is provided with a powder outlet 110;

a scraper, the scraper includes an inner wall scraper 210 disposed adjacent to an inner wall of the powder outlet;

a driving member coupled to the scraper, the driving member driving the scraper to move and the inner wall scraping member 210 moving against the inner wall of the powder outlet 110 to move through all of the inner walls of the powder outlet 110.

The powder discharging device of the embodiment includes a drum, a scraper and a driving component connected to the scraper, wherein the bottom of the bucket is provided with a powder outlet, and the scraper comprises an inner wall closely disposed on the inner wall of the powder outlet Scraper. In this way, under the driving of the driving component, the scraper moves and the inner wall scraping member moves closer to the inner wall of the powder discharging port through the entire inner wall of the powder discharging port, that is, the inner wall scraping member scrapes all the powder discharging ports. Inner wall. Thus, if any position of the inner wall of the powder outlet is adhered to the powder, the inner wall scraping member scrapes the entire inner wall of the powder outlet to clean the powder adhering to the inner wall of the powder outlet to prevent clogging of the powder outlet. Compared with the prior art, the technical problem of affecting the powder discharge of the powder discharging device caused by the clogging of the powder discharging port of the powder discharging device is solved.

Specifically, the scraper and the bucket are scrapers and buckets made of plastic material, and the plastic material of the scraper and the bucket is a food grade plastic material.

In order to realize that the inner wall scraping member is moved against the inner wall of the powder discharging port and moves through the entire inner wall of the powder discharging port, as a preferred manner, the powder discharging port may be as shown in FIG. 1 , FIG. 2 and FIG. 3 . Cylindrical

The inner wall scraper 210 is flush with the two nozzles of the cylindrical powder outlet; the inner wall scraper 210 is in close contact with the cylindrical shape with the axis of the cylindrical powder outlet 110 as a rotation axis The inner wall of the powder outlet rotates.

The powder outlet adopts a cylindrical powder outlet and the inner wall scraping member is flush with the two nozzles of the cylindrical powder outlet, so that the inner wall scraping member is closely attached to the axis of the cylindrical powder outlet. When the inner wall of the cylindrical powder outlet rotates one turn, the inner wall scraper achieves the entire inner wall of the cylindrical powder outlet. The cylindrical powder outlet and the corresponding inner wall scraper have a simple structure, and the entire inner wall of the cylindrical powder outlet can be cleaned by simple rotation.

In the actual use process, it is not only necessary to clean the inner wall of the powder outlet, but also to clean the powder outlet of the powder outlet. Therefore, as shown in FIG. 2 and FIG. 3, the scraper may further include solid. a bent portion 220 defined at an end of the inner wall scraping member and the outlet of the powder discharging cylinder, the bent portion 220 being bent in a direction away from the axis of the cylindrical powder discharging port and closely adhering to the powder discharging portion a mouth of the powder; wherein the outlet of the powder outlet is a mouth of the cylindrical powder outlet for discharging powder;

The driving element drives the scraper to move and the bending portion 220 rotates against the outlet of the powder discharging cylinder with the axis of the cylindrical powder discharging port as a rotating shaft.

In the scraper of such a structure, not only the inner wall scraper can clean the inner wall of the cylindrical powder outlet when the driving component drives the scraper to move, but also the bent portion can clean the powder outlet of the cylindrical powder outlet. .

Further, as shown in FIG. 3, the scraper further includes a fixing portion 230 fixed at an end of the bent portion away from the inner wall scraping member, and the fixing portion 230 extends to the outer bottom portion of the barrel;

The driving element is a rotating ring 300, and an end surface of the rotating ring is provided with a card slot, and the scraper and the rotating ring are fixed together by the fixing portion and the card slot;

The rotating ring 300 and the cylindrical powder outlet are coaxially sleeved on the outer surface of the cylindrical powder outlet 110.

Fixing the fixing portion of the scraper and the slot of the rotating ring realizes fixing of the scraper and the rotating ring, and the rotating ring and the cylindrical powder discharging opening are coaxially sleeved on the outer surface of the cylindrical powder discharging port, so that By rotating the swivel, the axis of the scraper with the cylindrical powder outlet is rotated, and the inner wall scraper is rotated against the inner wall of the cylindrical powder outlet, and the bent portion is close to the cylindrical shape. The powder outlet of the powder outlet rotates.

Preferably, the scraper may be an integrated structure. Thus, the structure is simple, and the assembly and manufacture of the powder discharging device are facilitated.

Further, as shown in FIG. 3, the inner wall scraping member 210 is a rod-shaped inner wall scraping member. The rod-shaped inner wall scraping member has a simple structure and is easy to manufacture, and the occupied space in the powder discharging port is small, and the influence on the powder is small.

Further, as shown in FIG. 3, the bent portion 220 is a rod-shaped bent portion. The rod-shaped bent portion has a simple structure and is easy to manufacture.

In order to achieve the installation of the swivel with the scraper fixed, as shown in Figure 2, the outer bottom surface of the drum is fixed around the cylindrical powder outlet with a magnet 400;

The rotating ring 300 and the magnet 400 are mutually adsorbed; the rotating ring 300 is adsorbed and mounted on the outer bottom surface of the drum 100 by the magnet 400.

The rotating ring is installed on the outer bottom surface of the communication by the adsorption method, and the structure is simple and the installation is convenient.

As a preferred way, the powder discharging of the powder discharging device and the cleaning of the powder discharging port are synchronously realized, which is a more practical way, in order to realize the powder discharging of the powder discharging device and the cleaning of the powder discharging port, as shown in FIG. 2 and FIG. 4 . As shown, the powder discharging device further comprises:

a rotating electrical machine disposed below the drum;

a powder feeding rotor 500 disposed at the bottom of the inner side of the drum, and the powder feeding rotor 500 is fixed to an output shaft of the rotating electrical machine, and an output shaft of the rotating electrical machine drives the powder feeding rotor 500 to rotate in the drum Powder is powdered from the powder outlet;

A transmission gear 600 fixed to an output shaft of the rotating electrical machine, the transmission gear 600 driving the rotating ring 300 to rotate synchronously.

The output shaft of the rotating electrical machine drives the powder feeding rotor to rotate, so that the powder in the drum is discharged from the powder discharging port, and at the same time, the driving gear fixed with the output shaft of the rotating electrical machine drives the rotating ring to rotate synchronously, and the rotating ring drives The scraper rotates synchronously, that is, the powder feeding rotor and the scraper are synchronized, and the powder discharging of the powder discharging device and the scraper synchronize the cleaning of the inner wall of the cylindrical powder discharging port and the powder discharging nozzle. Compared with the prior art, the deterioration of the inner wall of the powder outlet and the powder of the powder discharge nozzle in the air is avoided.

Specifically, the manner in which the transmission gear drives the rotating ring to rotate synchronously may be that a gear is disposed outside the rotating ring;

Between the gear on the outer side of the swivel and the transmission gear is a gear transmission or a timing belt transmission as shown in FIG.

It should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, and are not limited thereto; although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that The technical solutions described in the foregoing embodiments are modified, or the equivalents of the technical features are replaced. The modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

A powder discharging device, comprising:

a bucket for containing powder, the bottom of the bucket being provided with a powder outlet;

a scraper comprising an inner wall scraper disposed on an inner wall of the powder outlet;

a driving element coupled to the scraper, the driving element driving the scraper to move and the inner wall scraping member to move against the inner wall of the powder outlet through the entire inner wall of the powder outlet.
The powder discharging device according to claim 1, wherein the powder discharging port is cylindrical;

The inner wall scraper is flush with the two nozzles of the cylindrical powder outlet; the inner wall scraper is closely attached to the cylindrical powder outlet with the axis of the cylindrical powder outlet as a rotating shaft The inner wall rotates.
The powder discharging device according to claim 2, wherein the scraping device further comprises a bent portion fixed at an end of the inner wall scraping member and the outlet of the powder discharging cylinder, the bent portion being away from the The direction of the shaft of the cylindrical powder outlet is bent and closely abuts the outlet of the powder discharging nozzle; wherein the outlet of the powder discharging nozzle is a cylinder mouth for discharging the powder;

The driving element drives the scraper to move and the bent portion rotates against the outlet of the powder discharging cylinder with the axis of the cylindrical powder discharging port as a rotating shaft.
The powder discharging device according to claim 3, wherein the scraping device further comprises a fixing portion fixed to an end of the bent portion away from the inner wall scraping member, the fixing portion extending toward the barrel Outer bottom

The driving element is a swivel and the end surface of the rotating ring is provided with a card slot, and the scraper and the rotating ring are fixed together by the fixing portion and the card slot;

The rotating ring and the cylindrical powder outlet are coaxially sleeved on an outer surface of the cylindrical powder outlet.
The powder discharging device according to claim 4, wherein the scraper is an integrated structure.
The powder discharging device according to any one of claims 1 to 5, wherein the inner wall scraping member is a rod-shaped inner wall scraping member.
A powder discharging device according to claim 3 or 4, wherein the bent portion is a rod Shaped bends.
The powder discharging device according to claim 4, wherein the outer bottom surface of the drum is fixed with a magnet around the cylindrical powder outlet;

The rotating ring and the magnet are mutually adsorbed; the rotating ring is adsorbed and mounted on an outer bottom surface of the barrel by the magnet.
The powder discharging device according to claim 8, further comprising:

a rotating electrical machine disposed below the drum;

a powder feeding rotor disposed at an inner bottom of the drum and fixed to an output shaft of the rotating electrical machine, wherein an output shaft of the rotating electrical machine drives the powder feeding rotor to rotate;

a transmission gear fixed to an output shaft of the rotating electrical machine, the transmission gear driving the rotating ring to rotate synchronously.
The powder discharging device according to claim 9, wherein a gear is disposed outside the rotating ring;

Between the gear on the outer side of the swivel and the transmission gear is a gear transmission or a synchronous belt transmission.