WO2021208547A1

WO2021208547A1 - Powder discharging mechanism

Info

Publication number: WO2021208547A1
Application number: PCT/CN2021/072401
Authority: WO
Inventors: 章岳通; 郑伟胜
Original assignee: 付军
Priority date: 2020-04-16
Filing date: 2021-01-18
Publication date: 2021-10-21
Also published as: CN111358297A

Abstract

Disclosed is a powder discharging mechanism, comprising a powder bin (10), a material pushing member (21) and a material pushing power member (23). The material pushing member (21) is arranged in the powder bin (10); an output end of the material pushing power member (23) is connected to the material pushing member (21); an input end of the material pushing power member (23) is electrically connected to a control panel or a cloud end; the material pushing member (21) completes a linear motion along the axis of the powder bin (10) under the action of the material pushing power member (23); and the material pushing member (21) pushes powder arranged on the material pushing member (21) from bottom to top. The powder discharging structure uses an upward pushing type discharging manner, and has the advantages of being controllable in terms of precision and stable in terms of pushing process.

Description

Powder discharging mechanism

Technical field

The utility model relates to the field of discharging structures, in particular to a powder discharging mechanism.

Background technique

Powder brewing equipment is a kind of equipment that can self-configure powder and liquid to form beverages. Its working principle is to mix and mix a set dose of powder and liquid. Common powder brewing equipment includes soymilk, coffee Machines, instant juice machines, etc. However, the current powder brewing equipment has certain problems in practical applications.

The specific performance is as follows: At present, the powder brewing equipment mostly adopts the method of falling discharge, that is, a push screw is set at the discharge end of the powder silo. When the powder discharge needs to be controlled, the thread recess of the push screw is directed toward Before conveying the powder, the powder at the end of the screw falls into a specific container under its own weight, and the container is filled with water for stirring and mixing, and then enters the beverage container through the pipe. However, in this way, the powder silo is prone to damp and agglomerated, the powder is becoming more and more solid due to the small vibration of the equipment during operation, the end of the screw is prone to moisture, which causes the powder to deteriorate and breed bacteria, and the discharge accuracy cannot be accurate. Control and other related defects, in other words, the existing powder material discharging technology, the powder silo is damp and agglomerated, which leads to many discharging function failures, serious powder waste, complicated cleaning of the powder silo, and falling powder can easily lead to the silo The door opening is contaminated. Once the precision of the powder output is not accurate, it will affect the flavor of the brewed beverage, and the contaminated powder silo will also cause inconvenience to the cleaning of the powder brewing equipment, which will affect the service life and food safety of the powder brewing equipment. .

Utility model content

The purpose of the utility model is to provide a powder material discharging mechanism. The powder material discharging structure adopts a push-up discharging method, which has controllable precision, stable pushing process, and the powder bin will not be damp and agglomerate. The advantage of cleanliness.

In order to achieve the above objectives, this technical solution provides a powder discharging mechanism, which at least includes a powder silo, a pusher and a pusher power part; wherein the pusher is placed in the powder silo, and the output end of the pusher power part Connect the pusher, the input end of the pusher is electrically connected to the control board or the cloud, the pusher moves linearly along the axis of the powder silo under the action of the pusher, and the pusher pushes from bottom to top Powder placed on the powder silo.

Compared with the prior art, this technical solution has the following characteristics and beneficial effects:

1. Set the stepping motor to accurately control the advance stroke of the pusher, and the pusher pushes the material upwards, to overcome the influence of the powder's own gravity and the micro-vibration during the operation on the discharge of the powder, ensuring that each powder The discharging amount of the discharging mechanism is consistent, so as to control the flavor of the powder brewed beverage.

2. The outer side wall of the pusher is equipped with clip strips, card points, limit points, and limiters, and they are matched with the inner wall of the powder silo to correct linear movement relative to the powder silo to avoid tilting of the pusher during the linear movement. The skirt or the soft sealing ring can not achieve sealing and lead to material leakage. In addition, by reducing the waste of powder, it can also ensure that the output of the powder discharging mechanism is consistent every time.

3. The pusher middle piece is set between the pusher and the pusher power part. The pusher middle part connects the pusher and the pusher power part through the movable joint to further modify the long stroke of the pusher in the powder silo. The cumulative linear deviation in operation and the processing error in the assembly process ensure that the pusher can accurately reciprocate in the powder silo. In addition, the pusher middleware is directly or indirectly assembled on the frame, appearance, and powder silo. , The power part, through the limit consistent with the linear running direction of the pushing part, the linear movement of the pushing part is precisely controlled. In addition, the pushing middle part is connected with the screw of the motor output shaft through a nut to move the pushing power part in a circular motion. Converted to linear motion, so as to realize the reciprocating stroke of the pusher by controlling the power part, and ensure that the discharge amount of the powder discharging mechanism is consistent every time.

Description of the drawings

Fig. 1 is an overall schematic diagram of a powder discharging mechanism according to an embodiment of the present invention.

Fig. 2 is an exploded schematic diagram of a powder discharging mechanism according to an embodiment of the present invention.

Fig. 3 is a partial exploded schematic diagram of a powder discharging mechanism according to an embodiment of the present invention.

Fig. 4 is a partial exploded schematic diagram of a powder discharging mechanism according to an embodiment of the present invention.

Fig. 5 is a partial structural diagram of a powder discharging mechanism according to an embodiment of the present invention.

In the picture: 10-powder silo, 21- pusher, 211-limiting clip, 212-circumferential skirt, 22-moving joint, 221-first universal joint, 222-second universal joint, 223-Bearing connecting rod, 23-Pushing power part, 231-Motor, 232-Pushing screw, 241-First fixing part, 242-Second fixing part, 25-Pushing middle part, 31-Limiting protrusion Bar, 311-nut, 32-limiting aid, 321-limiting card slot.

Detailed ways

The following will clearly and completely describe the technical solutions in the embodiments of the present utility model with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, not all implementations. example. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art belong to the scope of protection of the present utility model.

Those skilled in the art should understand that, in the disclosure of the present utility model, the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", The orientation or positional relationship indicated by "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. are based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the utility The new and simplified description does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, so the above terms should not be understood as a limitation of the present invention.

It can be understood that the term "a" should be understood as "at least one" or "one or more", that is, in one embodiment, the number of an element may be one, and in another embodiment, the number of the element The number can be multiple, and the term "one" cannot be understood as a restriction on the number.

As shown in the figure, the present invention provides a powder discharging mechanism, which can be set in the powder brewing equipment for pushing out powder, and the powder discharging mechanism has pushing precision The advantage of precise control.

Specifically, the powder discharging mechanism at least includes: a powder silo (10), a pushing member (21), and a pushing power member (23); wherein the pushing member (21) is placed in the powder silo (10) , The output end of the pusher power part (23) is connected to the pusher (21), the input end of the pusher power part (23) is electrically connected to the control board or the cloud, and the pusher (21) is connected to the pusher power part ( Under the action of 23), it moves linearly along the axis of the powder silo (10), and the pushing member (21) pushes the powder placed on the powder silo (10) from bottom to top.

It is particularly worth mentioning that the powder discharging mechanism in this scheme adopts a push-up method to reduce the weight of the powder, and the impact of the powder solidification on the output caused by the micro-vibration during operation. At this time, the pushing member (21) is placed at the bottom side of the powder silo (10), and the pushing power member (23) is connected to the bottom of the pushing member (21). When the powder discharging mechanism needs to go out When pushing, the pushing member (21) moves linearly from bottom to top along the powder silo (10) under the action of the pushing power member (23).

The powder silo (10) is a hollow structure with a powder chamber. The powder is placed in the powder chamber and pushed out by the pusher (21). In this solution, the powder silo (10) can be Hollow tubular body. Moreover, the cross-sectional area of the pusher (21) matches the cross-sectional area of the powder chamber in the powder silo (10). When the powder silo is a hollow tubular body, the cross-sectional area of the pusher (21) The diameter is not larger than the cross-sectional area of the powder chamber, and the skirt or soft sealing ring is larger than the cross-sectional area of the powder chamber. That is, it is preferable to control the pushing member (21) to block the bottom of the powder silo (10) to prevent the powder from flowing out of the gap.

In order to ensure that the pushing member (21) can slide smoothly and stably in the powder silo (10), the pushing member (21) is a structural member with a certain thickness, and the outer side wall of the pushing member (21) is provided with a limited position The clamping strips (211), the limiting clamping strips (211) are arranged at intervals along the axial direction of the pushing member (21), and the cross-sectional shape surrounded by the limiting clamping strips (211) matches the cross-section of the powder chamber Inner shape. Specifically, the limiting clip (211) of the pushing member (21) is implemented as a rib on the side of the pushing member (21). When the pushing member (21) moves in the powder silo (10), the limit The bit strip (211) slides along the inner wall of the powder silo (10). The setting of the limit clip (211) can restrict the pushing member (21) from shaking left and right or tilting during the pushing process.

In addition, in some embodiments, the pushing surface of the pushing element (21) is provided with a circumferential skirt (212) or a soft sealing ring in the circumferential direction. The area is larger than the cross-sectional area of the powder chamber, and the circumferential skirt (212) is made of deformable material. The circumferential skirt (212) protrudes upwards and outwards to enclose the The effect of powder. At this time, the circumferential skirt (212) can further prevent the powder from falling, and the circumferential skirt (212) also functions as a seal during the entire pushing stroke of the material pushing member (21). Of course, in other embodiments, the pushing surface of the pushing member (21) is axially provided with a soft sealing ring, and the structure and use characteristics of the soft sealing ring are the same as those of the circumferential skirt (212).

The pushing power piece (23) is connected to the pushing piece (21) through the movable joint (22). At this time, the pushing force of the pushing power piece (23) is corrected by the movable joint to correct the thrust of the offset axis. Due to the inevitable processing errors in the processing and technological process of the powder discharging mechanism, the processing errors make the thrust of the pusher (23) given to the pusher (21) and the axis of the powder silo (10) not in the same vertical line. Above, this solution uses the movable joint (22) to correct this part of the thrust. The movable joint (22) is limited to the bottom end of the pusher (21), and the forces in all directions are corrected to axial thrust.

Specifically, the movable joint (22) is a multi-directional movable part, which can be a ball joint, a universal joint with at least two movable points, at least a biaxial connector, a flexible connector, a coupling, a concave-convex clip, and an airbag At least one of them.

In some embodiments, the output end of the pushing power part (23) directly or indirectly pushes the pushing material through at least one of a reduction box, gears, pulleys, screws, cams, screw sleeves, crankshafts, ejector rods, airbags, and guide rails. Pieces (21).

In some other embodiments, the pushing power member (23) directly or indirectly drives the powder silo (10) to make a linear reciprocating motion relative to the pushing member (21) placed in the powder silo (10). The silo (10) is connected to the pushing power part (23) through at least one of racks, gears, ejector rods, threads, flexible friction, levers, pull rods, belts, and crankshafts. At this time, the pushing power parts (23) Acts directly on the pusher (21).

In addition, the powder discharging mechanism of this solution further includes a pusher middle part (25), wherein the pusher middle part (25) is connected to the pusher (21) through the movable joint (22), and the pusher power part (23) is connected to the pusher (21). The pushing screw (232) is placed in the pushing middle piece (25).

Specifically, the pusher middle part (25) is connected with the output shaft screw of the motor (323) through the nut (311) to convert the circular motion of the pusher power part (23) into linear motion, so as to realize the pusher by controlling the power part The reciprocating movement of the parts ensures that the discharge volume of the powder discharging mechanism is consistent each time.

Specifically, in this solution, at least one of the first universal joint (221), the second universal joint (222), and the bearing connecting rod (223) is a movable joint (22), wherein the first universal joint (221) Connect the pusher (21), the bearing connecting rod (223) connects the first universal joint (221) and the second universal joint (222), and the second universal joint (222) connects the intermediate pusher ( 25), or install and connect the pushing middle piece (25) through the second fixing piece (242).

The first universal joint (221) is clamped in the first fixing member (241), the bottom surface of the pushing member (21) forms a fixing groove matching the first fixing member (241), and the first fixing member (241) is placed in the Fix in the fixing groove. In the same way, the movable joint (22) and the pushing middle piece (25) are connected and fixed by the second fixing piece (242). Specifically, the second universal joint (222) is clamped in the second fixing member (242), and the top surface of the pushing middle member (25) forms a fixing groove that matches the second fixing member (242), and the second fixing member (242) It is fixed in the fixing groove.

In other words, a fixing groove is formed at the bottom of the pushing member (21), the first universal joint (221) is clamped in the first fixing member (241) and placed in the fixing groove, the first fixing member (241) and the fixing groove It is limited that the first universal joint (221) can only apply thrust to the pushing member (21) along the axial direction of the powder silo (10).

In this solution, the pushing power part (23) includes a stepping motor (232). The stepping motor (232) is connected to the pushing screw (231), and the stroke of the pushing screw (231) is controlled step by step through the stepping motor. In order to control the discharge amount of the powder discharging mechanism, the pushing screw (231) is placed in the pushing middle piece (25). In addition, in implementation, the stepping motor can be implemented as an ordinary brushed motor or a brushless motor , One of the linear motors.

The outer side of the pushing middle piece (25) is provided with a limiting component, wherein the limiting component is fixed and kept stationary. Specifically, the limit component at least includes a limit protrusion strip (31) arranged on the outer side wall of the pusher middle part (25), wherein the limit component always maintains a straight line direction during the rotation of the pusher screw (231) still.

The limit component is directly or indirectly assembled and fixed with at least one of the pushing power part (23), the limit auxiliary part (32), the frame part, the appearance part, and the powder silo (10).

For example, in an embodiment of this solution, the limit component includes a limit auxiliary piece (32), wherein the limit auxiliary piece (32) is sleeved on one end of the pushing middle piece (25), and the pushing middle piece (25) ) Is fixed to the limiting aid (32). Specifically, a limiting through hole is formed on the limiting auxiliary member (32), a limiting card slot (321) is formed on the inner side of the limiting through hole, and a limiting protrusion strip is formed on the outer side wall of the pushing middle piece (25) (31), the pushing middle piece (25) passes through the limit through hole, and at the same time, the limit protrusion strip (31) is clamped in the limit slot (321) to play a fixed role. At this time, the lower fixing member (242) is clamped in the groove formed on the top side of the limiting member (31), and the pushing middle member (25) is connected with the movable joint (22).

The limit component is limited by at least one of the guide rails, grooves, convex grooves, linear bearings, rollers, limit posts, and limit beads, and at least one of the pusher (21) and the pusher middle (25). The positional relationship: the position-limiting auxiliary member (32) forms a position-limiting relationship with the pushing screw (232) through at least one of guide rails, grooves, convex grooves, linear bearings, rollers, limit posts, and limit beads.

Of course, in other embodiments, the limiting component and the limiting auxiliary member (32) can be directly or indirectly fixed to the powder silo, frame member or appearance member.

In addition, it can directly or indirectly be the powder silo (10), pusher (21), pusher middle part (25), pusher power part (23), or drive powder silo (10), pusher (21) At least one of the rack, gear, ejector rod, thread, flexible friction, lever, pull rod, belt, and crankshaft that the material pushing middle part (25) moves is provided with a position sensor. By setting the position sensor and cooperating with the upper device, the position of the device element can be intelligently sensed, and then it can be controlled. The present utility model is not limited to the above-mentioned best embodiment. Anyone can obtain other products in various forms under the enlightenment of the present utility model, but regardless of any changes in its shape or structure, all products with the same Or similar technical solutions fall within the protection scope of the utility model.

Claims

A powder discharging mechanism, which is characterized in that it at least includes:

Powder silo (10), pusher (21) and pusher power (23); the pusher (21) is placed in the powder silo (10), and the output end of the pusher (23) is connected The pusher (21), the input end of the pusher power (23) is electrically connected to the control board or the cloud, and the pusher (21) runs along the powder silo (10) under the action of the pusher power (23). The axis of the shaft moves linearly, and the pushing member (21) pushes the powder placed in the powder silo (10) from bottom to top.
The powder discharging mechanism according to claim 1, characterized in that the pushing power part (23) is connected to the pushing part (21) through the movable joint (22), and the movable joint (22) is a multi-directional movable part. It is at least one of a ball joint, a universal joint with at least two moving points, at least a biaxial connector, a flexible connector, a coupling, a concave-convex clip, and an airbag.
The powder discharging mechanism according to any one of claims 1 and 2, characterized in that the output shaft of the pushing power part (23) passes through a reduction box, gears, pulleys, screws, cams, screw sleeves, crankshafts, and ejector rods. At least one of the airbag and the guide rail directly or indirectly pushes the pushing body (21).
The powder discharging mechanism according to any one of claims 1 and 2, characterized in that the pusher middle part (25) is connected to the pusher (21) through the movable joint (22), and the power of the pusher (23) The pushing screw (232) is placed in the pushing middle piece (25).
The powder discharging mechanism according to claim 4, wherein at least one of the first universal joint (221), the second universal joint (222), and the bearing connecting rod (223) is a movable joint ( 22), where the first universal joint (221) is connected to the pusher (21), the bearing connecting rod (223) is connected to the first universal joint (221) and the second universal joint (222), and the second universal joint (222) Connecting the material pushing middle part (25), or installing and connecting the material pushing middle part (25) through the second fixing part (242).
The powder material discharging mechanism according to claim 4, characterized in that the pushing middle part (25) is provided with a limit component, and the limit component is directly or indirectly connected with the pushing power part (23) and the limit auxiliary component ( 32). At least one of the frame part, the appearance part, and the powder silo (10) is directly or indirectly assembled and fixed.
The powder material discharging mechanism according to claim 6, characterized in that the limiting component includes a limiting auxiliary member (32) and a limiting raised strip (31) arranged on the outer side wall of the pushing middle member (25), The limiting auxiliary piece (32) is sleeved on one end of the pushing middle piece (25), a limiting through hole is formed on the limiting auxiliary piece (32), and a limiting card slot (321) is formed on the inner side of the limiting through hole. ), the pushing middle piece (25) passes through the limiting through hole, and at the same time, the limiting protrusion strip (31) is clamped in the limiting slot (321).
The powder discharging mechanism according to claim 7, characterized in that the limit component passes through at least one of guide rails, grooves, convex grooves, linear bearings, rollers, limit posts, limit beads, and push materials. At least one of the part (21) and the pushing middle part (25) forms a limit relationship, and the limit auxiliary part (32) passes through at least the guide rail, groove, convex groove, linear bearing, roller, limit post, and limit ball. One of the methods forms a limit relationship with the pusher screw (232).
The powder discharging mechanism according to claim 1, characterized in that the pushing power member (23) drives the powder silo (10) to move linearly with respect to the axis of the pushing member (21).
The powder discharging mechanism according to claim 9, characterized in that the powder silo (10) is connected by at least one of a rack, a gear, a top rod, a thread, a flexible friction, a lever, a tie rod, a belt, and a crankshaft In the pushing power piece (23), the pushing power piece (23) directly or indirectly drives the powder silo (10) to make a linear reciprocating motion relative to the pushing piece (21) placed in the powder silo (10).
The powder discharging mechanism according to claim 1, characterized in that the outer side wall of the pushing member (21) is provided with a limiting clip (211), and the limiting clip (211) runs along the pushing member (21). The cross-sectional shape enclosed by the limiting clip (211) matches the cross-sectional inner shape of the powder chamber.
The powder discharging mechanism according to claim 1, characterized in that the pushing surface of the pushing member (21) is provided with a circumferential skirt (212) or a soft sealing ring in the circumferential direction, wherein the circumferential skirt (212) or the cross-sectional area formed by the soft sealing ring is larger than the cross-sectional area of the powder chamber, and the circumferential skirt (212) is made of deformable material.
The powder discharging mechanism according to any one of claims 1 to 2, 5 to 12, characterized in that the direct and indirect ones are the powder silo (10), the pusher (21), and the pusher middle (25). ), the pusher power part (23), or the rack, gear, ejector rod, thread, flexible friction, lever, and At least one of the pull rod, belt, and crankshaft is provided with a position sensor.