CN117069041A

CN117069041A - Liquid cup filling mechanism

Info

Publication number: CN117069041A
Application number: CN202311148645.5A
Authority: CN
Inventors: 罗邦毅
Original assignee: Hangzhou Youngsun Intelligent Equipment Co Ltd
Current assignee: Hangzhou Youngsun Intelligent Equipment Co Ltd
Priority date: 2023-09-06
Filing date: 2023-09-06
Publication date: 2023-11-17

Abstract

The invention relates to the technical field of liquid discharging, and discloses a liquid cup filling mechanism which comprises a mounting seat and a pressing plate, wherein a lifting power assembly for controlling the lifting of the pressing plate is arranged on the mounting seat; a limit cylinder is arranged on the mounting seat and positioned at the lower side of the pressing plate, a liquid storage bottle with a downward opening is arranged in the limit cylinder, the liquid storage bottle is configured to be axially extruded and deformed when being subjected to axial pressure, and a unidirectional liquid outlet component is arranged at the opening end of the liquid storage bottle; the lower side of the limiting cylinder is provided with a cup stand assembly for positioning and weighing the cup body; when the lifting power assembly drives the pressing plate to descend and squeeze the upper end of the liquid storage bottle, the bottle body of the liquid storage bottle axially extrudes and deforms so that liquid in the liquid storage bottle flows out from the unidirectional liquid outlet assembly; when the weight of the cup body reaches a preset value, the lifting power assembly drives the pressing plate to ascend and reset. The invention has the advantages of more convenient and sanitary use, no cleaning and accurate metering.

Description

Liquid cup filling mechanism

Technical Field

The invention relates to the technical field of liquid discharging, in particular to a liquid filling mechanism.

Background

In some beverage machines, coffee machines, beverage extractors, it is necessary to dose a liquid beverage, and then take the beverage through a cup, so as to brew a metered amount of beverage. At present, a pump body is arranged in a suction pipe and a suction material in a manner of inserting barreled liquid into the suction pipe, and the liquid in the barrel is quantitatively sucked out through the pump body and flows into a cup body, so that quantitative material taking is realized. The suction mode adopts the pump body and the suction pipe to match the suction, bacteria are easy to breed in the suction pipe, and cleaning is more troublesome; moreover, the cup body metering is controlled by controlling the material sucking time of the pump body, and the cup body metering is inaccurate due to the fact that liquid is easy to remain in a pipeline.

Disclosure of Invention

The invention aims to solve the problems in the prior art, and provides the liquid cup filling mechanism which is more convenient and sanitary to use, free from cleaning and accurate in metering.

In order to achieve the above purpose, the present invention adopts the following technical scheme:

the liquid cup filling mechanism comprises a mounting seat and a pressing plate, wherein a lifting power component for controlling the pressing plate to lift is arranged on the mounting seat; a limit cylinder is arranged on the mounting seat and positioned at the lower side of the pressing plate, a liquid storage bottle with a downward opening is arranged in the limit cylinder, the liquid storage bottle is configured to be axially extruded and deformed when being subjected to axial pressure, and a unidirectional liquid outlet component is arranged at the opening end of the liquid storage bottle; the lower side of the limiting cylinder is provided with a cup stand assembly for positioning and weighing the cup body; when the lifting power assembly drives the pressing plate to descend and squeeze the upper end of the liquid storage bottle, the bottle body of the liquid storage bottle axially extrudes and deforms so that liquid in the liquid storage bottle flows out from the unidirectional liquid outlet assembly; when the weight of the cup body reaches a preset value, the lifting power assembly drives the pressing plate to ascend and reset.

The cup body is placed in the cup stand assembly, the pressing plate is controlled to descend to squeeze the liquid storage bottle, liquid in the liquid storage bottle directly flows into the cup body from the bottle mouth at the lower end, and when the weight of the cup body (and the liquid) reaches a preset value, the pressing plate stops descending and resets to an initial state, so that quantitative liquid is obtained; the liquid cup filling mechanism omits a pump body, a liquid outlet pipeline and the like, and liquid directly flows out from the lower end of the liquid storage bottle, so that the liquid cup filling mechanism is more convenient to use and free from cleaning, and the liquid metering in the cup body is very accurate.

Preferably, the lifting power assembly comprises a guide rod, a lifting seat in sliding connection with the guide rod, and a screw rod which is parallel to the guide rod and in threaded connection with the lifting seat, wherein one end of the screw rod is connected with first power for driving the screw rod to rotate, and the pressing plate is fixedly connected with the lifting seat; and an abdication groove is formed in the side face of the limiting cylinder.

Preferably, a first sensor is arranged at the upper end position of the guide rod on the mounting seat, a first sensing piece for triggering the first sensor is arranged on the lifting seat, and when the first sensing piece triggers the first sensor, the lifting seat is lifted to an initial position.

Preferably, a turntable is arranged at the lower end of the mounting seat, the center of the turntable is rotationally connected with the mounting seat through a rotating seat, a plurality of limiting cylinders are arranged, and each limiting cylinder is circumferentially arranged on the turntable; the mounting seat is provided with second power for driving the turntable to rotate, and under the action of the second power, each limiting cylinder on the turntable can rotate to the position right below the pressing plate according to a preset sequence.

Preferably, a gear ring is arranged on the circumferential surface of the turntable, and a driving gear meshed with the gear ring is arranged at the output end of the second power.

Preferably, the rotary table is uniformly provided with second sensing parts which are in one-to-one correspondence with the limiting cylinders, and the mounting seat is provided with second sensors for detecting the second sensing parts; when the second sensor detects the second sensing piece, the rotary table stops rotating, and the limiting cylinder corresponding to the second sensing piece is positioned under the pressing plate.

Preferably, the liquid storage bottle comprises a bottle body and a bottle cap, wherein at least part of the bottle body is of a corrugated structure, a liquid outlet is formed in the center of the bottle cap, and the unidirectional liquid outlet assembly is arranged at the liquid outlet.

Preferably, the unidirectional liquid outlet component comprises a connecting sleeve and a plurality of membrane flaps which are arranged at the upper end of the connecting sleeve and seal the upper end of the connecting sleeve; when the bottle body is in a natural state, the edges of the adjacent membrane flaps are attached to seal the liquid outlet; when the bottle body is pressed and deformed, the membrane flaps are pressed and deformed to enable liquid to pass through the unidirectional liquid outlet component and then be discharged from the liquid outlet; when the pressure of the bottle body is relieved and the bottle body is restored to a natural state, the bottle body is in a negative pressure state, and external air enters the bottle body from the gap between the adjacent membrane flaps. The bottle body is in a natural state, namely an initial state of non-pressed deformation, at the moment, the liquid pressure can not overcome the self strength of the membrane flap, and the liquid can not flow out; when the bottle body is extruded, the liquid pressure is increased to deform the membrane flaps, and the liquid flows out from between the membrane flaps; when the pressure is released, the bottle body automatically resets to the initial state, and the bottle body is convenient for the next extrusion use.

Preferably, a protecting sleeve is arranged on the upper side of the unidirectional liquid outlet component, a pressure stabilizing cavity is formed between the protecting sleeve and the liquid outlet component, and a plurality of diversion holes communicated with the pressure stabilizing cavity are formed in the top surface of the protecting sleeve. The pressure stabilizing cavity enables the hydraulic pressure of the upper side area of the membrane flap to be relatively stable, and liquid is prevented from leaking accidentally due to shaking, vibration and other reasons of the bottle body.

Preferably, a limiting convex ring is arranged at the inner wall of the lower end of the liquid outlet of the bottle cap, a connecting ring is arranged at the lower end of the connecting sleeve, a clamping convex ring for being clamped with the bottle cap is arranged at the outer side of the lower end of the protecting sleeve, and a clamping groove matched with the clamping convex ring is formed in the inner wall of the bottle cap; when the clamping convex ring on the protective sleeve is matched with the clamping groove on the bottle cover in a clamping way, the connecting ring is clamped between the protective sleeve and the limiting convex ring.

Preferably, the cup holder assembly comprises a cup holder body and a weighing sensor arranged at the bottom of the cup holder body.

Therefore, the invention has the advantages of more convenient and sanitary use, no cleaning and accurate metering.

Drawings

Fig. 1 is a schematic structural view of the present invention.

Fig. 2 is a schematic structural view of the lifting power assembly.

Fig. 3 is a schematic diagram of connection between the liquid storage bottle and the limiting cylinder.

Fig. 4 is a schematic diagram of connection of the limiting cylinder and the turntable.

Fig. 5 is a schematic structural view of the cup holder assembly.

Fig. 6 is an exploded view of the reservoir.

Fig. 7 is a schematic structural diagram of the unidirectional liquid outlet assembly and the protective sleeve.

FIG. 8 is a schematic diagram of the connection of the one-way liquid outlet assembly, the protective sleeve and the bottle cap.

Fig. 9 is an enlarged partial schematic view at a in fig. 8.

Fig. 10 is a schematic view of another structure of the body.

Detailed Description

In order to make the technical problems, technical solutions and advantageous technical effects to be solved by the present invention more apparent, the present invention will be further described in detail with reference to the accompanying drawings and a plurality of exemplary embodiments. It should be understood that the detailed description and specific examples are intended for purposes of illustration only and are not intended to limit the scope of the invention.

It should be appreciated that the expressions "first", "second", etc. are used herein for descriptive purposes only and are not to be construed as indicating or implying relative importance or as implying any particular order of number of technical features indicated. Features defining "first", "second" or "first" may be expressed or implied as including at least one such feature.

The liquid cup filling mechanism as shown in fig. 1-4 comprises a mounting seat 1 and a pressing plate 2, wherein a lifting power component 3 for controlling the pressing plate to lift is arranged on the mounting seat 1; the mounting seat 1 is provided with a limiting cylinder 4 at the lower side of the pressing plate, a liquid storage bottle 5 with a downward opening is arranged in the limiting cylinder 4, the liquid storage bottle 5 can be axially extruded and deformed when being subjected to axial pressure, the opening end of the liquid storage bottle 5 is provided with a one-way liquid outlet component 6, and the side surface of the limiting cylinder 4 is provided with a yielding groove 40; the lower side of the limiting cylinder 4 is provided with a cup stand assembly 15 for positioning and weighing the cup body; when the lifting power assembly 3 drives the pressing plate 2 to descend and squeeze the upper end of the liquid storage bottle, the bottle body of the liquid storage bottle 5 is axially squeezed and deformed, so that liquid in the liquid storage bottle flows out of the unidirectional liquid outlet assembly 6; when the weight of the cup body reaches a preset value, the lifting power assembly 3 drives the pressing plate 2 to ascend and reset.

The lifting power assembly 3 comprises a guide rod 30, a lifting seat 31 which is in sliding connection with the guide rod, a screw rod 32 which is parallel to the guide rod and in threaded connection with the lifting seat, a first power 33 which drives the screw rod to rotate is connected to one end of the screw rod 32, and the pressing plate 2 is fixedly connected with the lifting seat 31; the upper end position of the guide rod on the mounting seat 1 is provided with a first sensor 7, the lifting seat 31 is provided with a first sensor 8 for triggering the first sensor, and when the first sensor 8 triggers the first sensor 7, the lifting seat 31 is lifted to an initial position. The first power in this embodiment is an electric motor.

In some embodiments, to increase the liquid storage or to allow the cup to be filled with different liquids, the following structure may be used: the lower end of the mounting seat 1 is provided with a turntable 9, the center of the turntable is rotationally connected with the mounting seat through a rotating seat 90, a plurality of limiting cylinders 4 are arranged, and each limiting cylinder 4 is uniformly arranged on the turntable 9 along the circumferential direction; the mounting seat 1 is provided with a second power 10 for driving the turntable to rotate, and under the action of the second power 10, each limiting cylinder on the turntable can rotate to the position right below the pressing plate 2 according to a preset sequence; the rotary disk 9 has a ring gear 91 on its circumferential surface, and the output end of the second power 10 has a driving gear 11 engaged with the ring gear 91. The second power in this embodiment is an electric motor.

Each liquid storage bottle is filled with the same liquid, so that the liquid storage amount of the liquid is effectively improved, and after the liquid in one liquid storage bottle is used, the motor, the driving gear and the gear ring drive the turntable to rotate, so that the other liquid storage bottle rotates to the position right below the pressing plate; different liquids such as milk, fructose, fruit juice and the like can be stored in each liquid storage bottle, a user can select corresponding liquids according to requirements, the motor drives the rotary table to rotate the liquid storage bottle storing corresponding liquids to the lower part of the pressing plate, and then the pressing plate extrudes the liquid storage bottle, so that the corresponding liquids can be received in the cup body.

The turntable 9 is uniformly provided with second sensing pieces 12 which are in one-to-one correspondence with the limiting cylinders, and the mounting seat 1 is provided with a second sensor 13 for detecting the second sensing pieces; when the second sensor 13 detects the second sensing piece 12, the rotary disk 9 stops rotating, and the limiting cylinder corresponding to the second sensing piece 12 is positioned right below the pressing plate.

As shown in fig. 5, the cup holder assembly 15 includes a cup holder body 150, and a load cell 151 provided at the bottom of the cup holder body. The weighing sensor can accurately detect the total weight of the cup body and the liquid. In some embodiments, the cup holder assembly is further arranged on the translation mechanism, and the translation of the cup holder assembly is realized through the translation mechanism, so that on one hand, the cup can be conveniently placed and taken out, and on the other hand, the cup body can be moved to different positions to take out materials. As shown in the figure, the translation mechanism specifically comprises a track 153 and a sliding block 152 arranged on the track in a sliding manner, wherein a weighing sensor is arranged on the sliding block, one side of the sliding block is provided with a driving belt 154 which is driven to rotate by third power 155, one side of the sliding block 152 is fixedly connected with the driving belt 154, the third power adopts a motor, the motor drives the driving belt to rotate, and the sliding block reciprocates and translates along the track under the power action of the driving belt.

As shown in fig. 6-8, the liquid storage bottle 5 includes a bottle body 50 and a bottle cap 51, the bottle body 51 is at least partially in a bellows structure, a liquid outlet 510 is provided in the center of the bottle cap 51, and the unidirectional liquid outlet component 6 is disposed at the liquid outlet.

The bottle body 50 can be in a corrugated structure, as shown in fig. 6, and the single squeeze amount of the bottle body is larger; the structure shown in fig. 10 can also be adopted, the part of one end of the bottle body far away from the bottle mouth adopts a corrugated pipe structure, and the other parts are cylindrical, so that the integral strength of the bottle body is higher, and the requirement can be met as long as the single extrusion quantity meets the maximum capacity of single liquid taking although the single extrusion quantity is reduced.

The unidirectional liquid outlet assembly 6 comprises a connecting sleeve 60 and a plurality of membrane flaps 61 which are arranged at the upper end of the connecting sleeve and seal the upper end of the connecting sleeve; when the bottle body 50 is in a natural state, the edges of the adjacent membrane flaps 61 are attached to seal the liquid outlet; when the bottle body 50 is pressed and deformed, the membrane flaps 61 are pressed and deformed, so that liquid is discharged from the liquid outlet after passing through the unidirectional liquid outlet assembly; when the pressure of the bottle body 50 is released and returns to the natural state, the interior of the bottle body is in a negative pressure state, and the external air enters the interior of the bottle body from the gap between the adjacent flaps 61. The membrane petals in the embodiment are divided into four uniform petals, cross-shaped gaps are formed among the membrane petals, when the bottle body is in a natural state (namely in an unpressurized state), the pressure of liquid in the pressure stabilizing cavity is insufficient to overcome the self strength of the membrane petals, and the membrane petals cannot deform, so that the liquid cannot leak; when the bottle body is extruded, the pressure of the liquid in the pressure stabilizing cavity is increased to enable the valve to be pressed and deformed, and the liquid flows out from the valve.

The upper side of the unidirectional liquid outlet component 6 is provided with a protective sleeve 14, a pressure stabilizing cavity 140 is formed between the protective sleeve 14 and the liquid outlet component, and the top surface of the protective sleeve 14 is provided with a plurality of flow guide holes 141 communicated with the pressure stabilizing cavity 140; a limiting convex ring 511 is arranged at the inner wall of the lower end of the liquid outlet of the bottle cap 51, a connecting ring 62 is arranged at the lower end of the connecting sleeve 60, a clamping convex ring 142 for being clamped with the bottle cap is arranged at the outer side of the lower end of the protective sleeve 14, and a clamping groove 512 matched with the clamping convex ring is arranged at the inner wall of the bottle cap 51; when the clamping convex ring 142 on the protecting sleeve 14 is matched with the clamping groove 512 on the bottle cover in a clamping way, the connecting ring 62 is clamped between the protecting sleeve 14 and the limiting convex ring 511.

In some embodiments, the annular groove formed between the protective sleeve and the limiting convex ring is configured as an annular dovetail groove, the cross section of the connecting ring 62 is matched with the annular dovetail groove, the bottom of the annular dovetail groove is wide, the opening is narrow, the outer ring of the connecting ring 62 is thick, the inner ring is thin, and the connecting ring is positioned more stably after being clamped by the annular dovetail groove, so that the connecting ring is effectively prevented from falling out of the annular dovetail groove.

The principle of the invention is as follows, in combination with the accompanying drawings: the cup body is placed in the cup stand assembly, different liquids such as milk, fructose and fruit juice are stored in each liquid storage bottle, a user places the cup body in the cup stand assembly, a corresponding beverage is selected, the motor drives the rotary table to rotate the liquid storage bottle storing the corresponding liquid to the position right below the pressing plate, the pressing plate descends to squeeze the bottle body, the liquid in the bottle body flows into the cup body from the liquid outlet, and after the detection value of the weighing sensor reaches a preset value, the pressing plate stops descending and resets to an initial state. The liquid cup filling mechanism omits a pump body, a liquid outlet pipeline and the like, liquid directly flows out from the lower end of the liquid storage bottle, the liquid in each liquid storage bottle is not interfered with each other, the use is more convenient, the cleaning is avoided, and the liquid metering in the cup body is also very accurate.

In the description of the present invention, it should be understood that the directions or positional relationships indicated by the upper, lower, left, right, inner, outer, one end, the other end, etc. are based on the orientations or positional relationships shown in the drawings, and are merely for the purpose of more clearly describing the technical solution of the present invention, and are not meant to indicate or imply that the device or element to be referred to must be provided with a specific direction, be configured and operated in a specific orientation, and should not be construed as limiting the present invention.

Although specific embodiments of the invention have been described in detail herein, they are presented for purposes of illustration only and are not to be construed as limiting the scope of the invention. Various substitutions, alterations, and modifications can be made without departing from the spirit and scope of the invention.

Claims

1. The liquid cup filling mechanism is characterized by comprising a mounting seat (1) and a pressing plate (2), wherein a lifting power assembly (3) for controlling the pressing plate to lift is arranged on the mounting seat (1);

a limit cylinder (4) is arranged on the lower side of the pressing plate on the mounting seat (1), a liquid storage bottle (5) with a downward opening is arranged in the limit cylinder (4), the liquid storage bottle (5) can be axially extruded and deformed when being subjected to axial pressure, and a unidirectional liquid outlet component (6) is arranged at the opening end of the liquid storage bottle (5);

the lower side of the limiting cylinder (4) is provided with a cup stand assembly (15) for positioning and weighing the cup body;

when the lifting power assembly (3) drives the pressing plate (2) to descend and squeeze the upper end of the liquid storage bottle, the bottle body of the liquid storage bottle (5) is axially squeezed and deformed, so that liquid in the liquid storage bottle flows out from the unidirectional liquid outlet assembly (6); when the weight of the cup body reaches a preset value, the lifting power assembly (3) drives the pressing plate (2) to ascend and reset.

2. The liquid cup filling mechanism according to claim 1, wherein the lifting power assembly (3) comprises a guide rod (30), a lifting seat (31) which is in sliding connection with the guide rod, and a screw rod (32) which is parallel to the guide rod and in threaded connection with the lifting seat, one end of the screw rod (32) is connected with a first power (33) for driving the screw rod to rotate, and the pressing plate (2) is fixedly connected with the lifting seat (31); and a yielding groove (40) is formed in the side surface of the limiting cylinder (4).

3. The liquid cup filling mechanism according to claim 2, wherein the mounting base (1) is provided with a first sensor (7) at the upper end position of the guide rod, the lifting base (31) is provided with a first sensor (8) for triggering the first sensor, and when the first sensor (7) is triggered by the first sensor (8), the lifting base (31) is lifted to the initial position.

4. The liquid cup filling mechanism according to claim 1, wherein a turntable (9) is arranged at the lower end of the mounting seat (1), the center of the turntable is rotationally connected with the mounting seat through a rotating seat (90), the plurality of limiting cylinders (4) are configured, and each limiting cylinder (4) is circumferentially arranged on the turntable (9);

the mounting seat (1) is provided with second power (10) for driving the turntable to rotate, and under the action of the second power (10), each limiting cylinder on the turntable can rotate to the position right below the pressing plate (2) according to a preset sequence.

5. The liquid cup filling mechanism according to claim 4, wherein a gear ring (91) is provided on the circumferential surface of the turntable (9), and a driving gear (11) meshed with the gear ring (91) is provided at the output end of the second power (10).

6. The liquid cup filling mechanism according to claim 4 or 5, wherein second sensing parts (12) corresponding to the limiting cylinders one by one are uniformly arranged on the rotary table (9), and a second sensor (13) for detecting the second sensing parts is arranged on the mounting seat (1); when the second sensor (13) detects the second sensing piece (12), the rotary table (9) stops rotating, and the limiting cylinder corresponding to the second sensing piece (12) is positioned under the pressing plate.

7. The liquid cup filling mechanism according to claim 1, wherein the liquid storage bottle (5) comprises a bottle body (50) and a bottle cap (51), the bottle body (51) is at least partially of a corrugated structure, a liquid outlet (510) is formed in the center of the bottle cap (51), and the unidirectional liquid outlet component (6) is arranged at the liquid outlet.

8. The liquid cup filling mechanism according to claim 7, wherein the unidirectional liquid outlet assembly (6) comprises a connecting sleeve (60) and a plurality of membrane flaps (61) which are arranged at the upper end of the connecting sleeve and seal the upper end of the connecting sleeve;

when the bottle body (50) is in a natural state, the edges of the adjacent membrane flaps (61) are attached to seal the liquid outlet;

when the bottle body (50) is pressed and deformed, the membrane flap (61) is pressed and deformed to enable the liquid to pass through the unidirectional liquid outlet assembly and then be discharged from the liquid outlet;

when the pressure of the bottle body (50) is relieved and returns to a natural state, the interior of the bottle body is in a negative pressure state, and external air enters the interior of the bottle body from the gap between the adjacent membrane flaps (61).

9. The liquid cup filling mechanism according to claim 8, wherein a protecting sleeve (14) is arranged on the upper side of the unidirectional liquid outlet component (6), a pressure stabilizing cavity (140) is formed between the protecting sleeve (14) and the liquid outlet component, and a plurality of flow guide holes (141) communicated with the pressure stabilizing cavity (140) are formed in the top surface of the protecting sleeve (14).

10. The liquid cup filling mechanism according to claim 9, wherein a limiting convex ring (511) is arranged at the inner wall of the lower end of the liquid outlet of the bottle cap (51), a connecting ring (62) is arranged at the lower end of the connecting sleeve (60), a clamping convex ring (142) for being clamped with the bottle cap is arranged at the outer side of the lower end of the protecting sleeve (14), and a clamping groove (512) matched with the clamping convex ring is arranged at the inner wall of the bottle cap (51);

when the clamping convex ring (142) on the protective sleeve (14) is matched with the clamping groove (512) on the bottle cap in a clamping way, the connecting ring (62) is clamped between the protective sleeve (14) and the limiting convex ring (511).

11. A liquid filling mechanism according to claim 1, wherein the cup holder assembly (15) comprises a cup holder body (150) and a load cell (151) arranged at the bottom of the cup holder body.