CN211324423U

CN211324423U - Milk lid machine with self-cleaning function

Info

Publication number: CN211324423U
Application number: CN201921615442.1U
Authority: CN
Inventors: 侯旭敏; 王旭明
Original assignee: Guangzhou Zheng Bao Precision Machinery Hardware Co ltd
Current assignee: Guangzhou Zheng Bao Precision Machinery Hardware Co ltd
Priority date: 2019-09-26
Filing date: 2019-09-26
Publication date: 2020-08-25
Anticipated expiration: 2029-09-26

Abstract

The utility model discloses a milk lid machine with self-cleaning function, including shell, cylinder body, including a motor, an end cap, the milk pump, the milk container, the milk conveyer pipe, go out milk pipe, compressor and refrigeration mechanism, aluminum pipe and controller, it includes filter core, sleeve and tap to go out milk pipe, be equipped with a through-hole on going out milk pipe's the aluminum pipe lateral wall, install proximity inductive switch in the through-hole, proximity inductive switch's induction end is close to but not contact the sleeve of going out milk pipe, proximity inductive switch's output is connected with the controller, proximity inductive switch sets up to normally open state, carry out by controller control from milk container to milk conveyer pipe and then go out the washing of milk pipe; residual milk caps are effectively removed, the cleaning effect is ensured by multiple times of cleaning, and the sanitary requirement is met; count and timing mode combine to indicate the operator to wash the milk lid machine, make the operator form good clean custom, stop the food and drink potential safety hazard, the utility model discloses milk lid machine simple structure, convenient operation, degree of automation is high.

Description

Milk lid machine with self-cleaning function

Technical Field

The utility model relates to a drink preparation facilities field indicates a milk lid machine with self-cleaning function especially.

Background

The milk cover is usually used for covering on drinks such as tea, coffee and the like, so that the drinks are provided with strong milk fragrance and are deeply favored by people, for this reason, the inventor takes the milk cover making machine as a research and development target, the inventor once developed and applied a Chinese utility model patent in 2018, see a full-automatic milk cover machine disclosed by the publication with the authorization number of CN109480626A, however, in the use process of the milk cover machine, a small amount of milk covers are easily attached to the parts such as a filter element, a sleeve and a faucet of a milk outlet pipe, if the milk cover machine is not thoroughly cleaned after use, the residual milk cover can breed bacteria, the potential safety hazard of diet exists, and aiming at the problem, the inventor improves the original milk cover machine.

Disclosure of Invention

In order to solve the problem, the utility model provides a milk lid machine with cleaning function which is convenient to use and simple in operation.

In order to achieve the above object, the utility model adopts the following technical scheme: a milk cover machine with an automatic cleaning function comprises a shell, a cylinder body, a motor, a top cover, a milk pump, a milk container, a milk conveying pipe, a milk outlet pipe, a compressor, a refrigerating mechanism, an aluminum pipe and a controller; the milk pump and the milk container are arranged in the cylinder body, the milk pump is connected with the motor, and the motor, the compressor and the refrigerating mechanism are electrically connected with the controller; one end of the milk conveying pipe is connected with the milk pump, and the other end of the milk conveying pipe extends into the milk container; the aluminum pipe is fixed on the shell, and the interior of the aluminum pipe is connected with the compressor and the refrigerating mechanism; the milk outlet pipe comprises a filter element, a sleeve and a faucet, the filter element comprises a fixed rod and a plurality of discs, the centers of the discs are provided with through holes, and the discs are provided with a plurality of flow guide holes; during assembly, a plurality of discs are sleeved outside the fixed rod, gaps are reserved between the flow guide holes of adjacent discs, and the flow guide holes of the adjacent discs are arranged in a staggered manner to form a plurality of flow-path-long and curved flow guide grooves; the two ends of the fixed rod fix the disk through the fixing mechanism; the filter element is made of metal material; the filter element is arranged in the sleeve, a plurality of flow-guiding channels which are long in flow path and are bent are formed between the filter element and the inner wall of the sleeve, and one end of the sleeve penetrates through the aluminum pipe and is fixed on the milk pump; the faucet is connected with the other end of the sleeve and fixed on the sleeve;

the top cap outside is equipped with agitator motor, the inboard is equipped with agitator fan blade, agitator motor output shaft is connected with agitator fan blade top, it rotates the stirring to drive agitator fan blade by agitator motor, agitator motor is connected with the controller electricity, agitator fan blade's bottom is equipped with electrode liquid level switch, electrode liquid level switch is connected with the controller electricity, two electrodes of electrode liquid level switch set up respectively in agitator fan blade bottom both sides, close the lid during operation, electrode liquid level switch's electrode contacts the liquid in the milk liquid container, electrode liquid level switch switches on, liquid in the milk liquid container drops to a certain position, liquid level contact can not reach electrode liquid level switch's electrode, electrode liquid level switch disconnection, controller control motor, milk liquid pump and compressor and refrigeration mechanism stop work, the characters of lacking material warning scintillation suggestion can appear on the control panel screen.

A through hole is formed in the side wall of the aluminum pipe of the milk outlet pipe, a proximity inductive switch is installed in the through hole, the sensing end of the proximity inductive switch is close to but not in contact with the sleeve of the milk outlet pipe, the output end of the proximity inductive switch is electrically connected with the controller, and the proximity inductive switch is set to be in a normally open state;

when cleaning, the controller controls and executes the cleaning from the milk container to the milk conveying pipe and then to the milk outlet pipe; adding water or a cleaning agent into the milk container, closing the top cover, switching on an electrode liquid level switch at the bottom of the stirring fan blade, pumping the water or the cleaning agent placed in the milk container into a milk conveying pipe by using the controller to control the motor and the milk pump, pumping the water or the cleaning agent into the milk conveying pipe, then pumping the water or the cleaning agent into the milk conveying pipe, flushing a filter element, a sleeve and a faucet of the milk pipe, discharging the water or the cleaning agent through the faucet, when the milk pump pumps the liquid in the milk container, switching off the electrode liquid level switch, stopping the motor and the milk pump by using the controller, then detaching the milk pipe, and not sensing the milk pipe by using the proximity sensing switch, sending a sensing signal to the controller, namely cleaning the milk container.

Furthermore, the controller is a PLC controller and also comprises a control panel, and the control panel adopts an LED touch control display screen; the control panel is provided with a cleaning function key.

Further, the proximity sensing switch is an inductive proximity sensing switch or a capacitive proximity sensing switch or a hall proximity switch.

Furthermore, the controller is provided with a timer for setting a cleaning period, the milk cover machine is prompted to be cleaned after running for a certain time, and the timer is recovered to the set time after cleaning is finished and starts counting down again; the controller is provided with a counter for recording the using times of the milk cover machine, after the milk cover machine is used for a certain number of times, the milk cover machine is prompted to be cleaned, and the counter returns to zero after cleaning is completed to restart counting the using times of the milk cover machine.

The cleaning steps of the milk cap machine of the utility model generally comprise 4 times of cleaning:

a. firstly, cleaning a milk container by using warm water, then putting the warm water into the milk container, closing a top cover, switching on an electrode liquid level switch at the bottom of a stirring fan blade, controlling a motor and a milk pump by a controller to pump water or a cleaning agent in the milk container into a milk conveying pipe, pumping the water or the cleaning agent into a milk outlet pipe, flushing a filter element, a sleeve and a faucet of the milk outlet pipe, discharging the water or the cleaning agent through the faucet, switching off the electrode liquid level switch when the milk pump finishes pumping the liquid in the milk container, and controlling the motor and the milk pump to stop working by the controller; characters for prompting the material shortage alarm and the flicker can appear on the screen of the control panel.

b. Mixing the powerful oil removing agent according to the proportion, putting the mixed solution into a milk container, and repeating the step a to automatically clean for the second time;

c. mixing the disinfectant according to the proportion, putting the disinfectant into a milk container, and repeating the step a to clean the container for the third time;

d. b, putting warm water into the milk container, and repeating the step a to clean the milk container for the fourth time;

e. the milk outlet pipe is detached and taken down, the proximity inductive switch does not sense the milk outlet pipe, and an inductive signal is sent to the controller, namely the cleaning is completed.

Sensing the position of the milk outlet pipe by adopting a proximity inductive switch, detaching the milk outlet pipe after cleaning, transmitting a triggering sensing signal to a controller when the proximity inductive switch does not sense the milk outlet pipe, and identifying the controller as finishing one-time cleaning; a timer is adopted to set a cleaning period, after the milk cap machine runs for a period of time (the timer expires) or the milk cap machine is used for a certain number of times (the counter reaches the set number of times), an operator is prompted to clean, if the milk cap machine is not cleaned according to the steps, the controller does not receive a sensing signal sent by the proximity sensing switch, the milk cap machine is locked by the controller, and the milk cap beating function cannot be used.

The beneficial effects of the utility model reside in that: the controller controls the milk pump to pump water or a cleaning agent to flush components such as the milk outlet pipe and the like which directly contact the milk cover, so that residual milk covers are effectively removed, the cleaning effect is ensured by multiple cleaning, and the requirement on sanitation is met; count and timing mode combine to indicate the operator to wash the milk lid machine, make the operator form good clean custom, stop the food and drink potential safety hazard, the utility model discloses milk lid machine simple structure, convenient operation, degree of automation is high.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a top view angle partial sectional view of the present invention.

Fig. 3 is an enlarged schematic view of a part a of fig. 2 according to the present invention.

Fig. 4 is a schematic view of the structure of the milk outlet pipe of the present invention.

Fig. 5 is a schematic diagram of the filter element structure of the milk outlet pipe of the present invention.

Fig. 6 is a schematic diagram of the circuit principle of the present invention.

Detailed Description

Referring to fig. 1-6, the present invention relates to a milk cap machine with automatic cleaning function, which comprises a housing 1, a cylinder 2, a motor 3, a top cap 11, a milk pump 21, a milk container 23, a milk delivery pipe 22, a milk outlet pipe, a compressor and refrigeration mechanism 4, an aluminum pipe 6 and a controller 5; the milk pump 21 and the milk container 23 are arranged in the cylinder body 2, the milk pump 21 is connected with the motor 3, and the motor 3, the compressor and the refrigerating mechanism 4 are electrically connected with the controller 5; one end of the milk conveying pipe 22 is connected with the milk pump 21, and the other end extends into the milk container 23; an aluminum pipe 6 is fixed on the shell 1, and the interior of the aluminum pipe 6 is connected with the compressor and the refrigerating mechanism 4; the milk outlet pipe comprises a filter element 7, a sleeve 8 and a faucet 9, the filter element 7 comprises a fixed rod 71 and a plurality of discs 72, the centers of the discs 72 are provided with through holes, and the discs are provided with a plurality of guide holes 722; during assembly, the plurality of discs 72 are sleeved outside the fixed rod 71, gaps are reserved between the flow guide holes 722 of the adjacent discs 72, and the flow guide holes 722 of the adjacent discs 72 are arranged in a staggered manner to form a plurality of flow-path-long and curved flow guide grooves; the two ends of the fixed rod 71 fix the disk 72 through a fixing mechanism; the filter element 7 is made of metal material; the filter element 7 is arranged in the sleeve 8, a plurality of flow-guiding channels which are long in flow path and are bent are formed with the inner wall of the sleeve 8, and one end of the sleeve 8 penetrates through the aluminum pipe 6 and is fixed on the milk pump 21; the faucet 9 is connected with the other end of the sleeve 8 and fixed on the sleeve 8;

the outer side of the top cover 11 is provided with a stirring motor 12, the inner side is provided with a stirring fan blade 13, an output shaft of the stirring motor 12 is connected with the top of the stirring fan blade 13, the stirring motor 12 drives the stirring fan blade 13 to rotate and stir, the stirring motor is electrically connected with the controller 5, the bottom of the stirring fan blade 13 is provided with an electrode liquid level switch (not shown), the electrode liquid level switch is electrically connected with the controller 5, two electrodes of the electrode liquid level switch are respectively arranged at two sides of the bottom of the stirring fan blade 13, when the cover is closed to work, the electrode of the electrode liquid level switch is contacted with the liquid in the milk container 23, the electrode liquid level switch is conducted, when the liquid in the milk container 23 falls to a certain position, the liquid level is not contacted with the electrode of the electrode liquid level switch, the electrode liquid level switch is disconnected, the controller 5 controls the motor 3, the milk pump, informing the operator to charge the milk container 23;

a through hole is arranged on the side wall of the aluminum pipe 6 of the milk outlet pipe, a proximity inductive switch 15 is arranged in the through hole, the sensing end of the proximity inductive switch 15 is close to but not in contact with the sleeve 8 of the milk outlet pipe, the output end of the proximity inductive switch 15 is electrically connected with the controller 5, and the proximity inductive switch 15 is set to be in a normally open state;

when cleaning, the controller 5 controls and executes cleaning from the milk container 23 to the milk delivery pipe 22 and then to the milk outlet pipe; adding water or a cleaning agent into the milk container 23, closing the top cover, conducting an electrode liquid level switch at the bottom of the stirring fan blade 13, controlling the motor 3 and the milk pump 21 by the controller 5 to pump the water or the cleaning agent in the milk container 23 into the milk conveying pipe 22 and then to the milk outlet pipe, flushing the filter element 7, the sleeve 8 and the tap 9 of the milk outlet pipe, discharging the water or the cleaning agent through the tap 9, disconnecting the electrode liquid level switch when the milk pump 21 finishes pumping the liquid in the milk container 23, controlling the motor 3 and the milk pump 21 by the controller 5 to stop working, then detaching the milk outlet pipe, not sensing the milk outlet pipe by the proximity sensing switch 15, sending a sensing signal to the controller 5, namely completing the cleaning.

The controller 5 is a PLC controller, can adopt a PLC controller of JK-14MR-2TK model produced by Shenzhen Gongyuan science and technology Limited company, and the controller 5 also comprises a control panel, wherein the control panel adopts an LED touch control display screen, and can adopt a screen of T700S model of Kunlun Tongtai; the control panel is provided with a cleaning function key.

The proximity inductive switch 15 is an inductive proximity inductive switch, and can adopt a Soddylon SN08X-04DNA/2M type proximity inductive switch.

The proximity switch 15 may also be a capacitive proximity switch, a hall proximity switch, or other proximity switches capable of sensing the displacement of the milk tube.

The controller 5 is provided with a timer for setting a cleaning period, and after the milk cover machine runs for a certain time (usually set to 84 hours), the milk cover machine prompts that cleaning is needed; the controller 5 is provided with a counter for recording the using times of the milk cover machine, and after the milk cover machine is used for a certain number of times (generally set to be 4 times), the milk cover machine prompts that cleaning is needed.

The best cleaning step of the milk cover machine of the utility model generally comprises 4 times of cleaning:

The controller 5 controls the motor 3 and the milk pump 21 to pump warm water or cleaning fluid, and the milk outlet pipe is flushed under pressure, so that residual milk covers attached to the positions of the filter element 7, the sleeve 8, the faucet 9 and the like of the milk outlet pipe can be effectively removed, flushing is performed for multiple times, and the cleaning effect is good.

The position of the milk outlet pipe is sensed by adopting the proximity sensing switch 15, the milk outlet pipe is detached after cleaning is finished, after the milk outlet pipe is completely pulled out, the proximity sensing switch 15 cannot sense that the milk outlet pipe triggers a sensing signal to be transmitted to the controller 5, and the controller 5 recognizes that one-time cleaning is finished; in principle, the milk cap machine is cleaned after being used every time, after the milk cap machine is started for the second time without cleaning, the panel screen has an uncleaned alarm character prompt, in order to prevent an operator from using the milk cap machine for a long time or multiple times without cleaning, a timer is adopted to set a cleaning period, the milk cap machine is operated for a period of time (the timer expires) or a certain number of times (the counter reaches the set number of times), the operator is prompted to clean, if the milk cap machine is not cleaned according to the steps, the controller 5 does not receive a sensing signal sent by the proximity sensing switch 15, the milk cap machine is locked by the controller 5, the milk cap beating function cannot be used, the milk cap machine can be unlocked only by inputting a password, and the milk cap beating function can be normally used after the cleaning function is completed according to the steps, the cleaning function of the milk cap machine has the compulsory property, and aims to enable the operator to develop, avoiding the potential safety hazard of food.

The above embodiments are only for describing the preferred embodiments of the present invention, and are not intended to limit the scope of the present invention, and various modifications and improvements made by the technical solution of the present invention by those skilled in the art are all within the scope of the present invention as defined by the claims.

Claims

1. A milk cover machine with an automatic cleaning function comprises a shell (1), a cylinder body (2), a motor (3), a top cover (11), a milk pump (21), a milk container (23), a milk conveying pipe (22), a milk outlet pipe, a compressor and refrigerating mechanism (4), an aluminum pipe (6) and a controller (5); the milk pump (21) and the milk container (23) are arranged in the cylinder body (2), the milk pump (21) is connected with the motor (3), and the motor (3), the compressor and the refrigerating mechanism (4) are electrically connected with the controller (5); one end of the milk conveying pipe (22) is connected with the milk pump (21), and the other end extends into the milk container (23); the aluminum pipe (6) is fixed on the shell (1), and the interior of the aluminum pipe (6) is connected with the compressor and the refrigerating mechanism (4); the milk outlet pipe comprises a filter element (7), a sleeve (8) and a faucet (9), the filter element (7) comprises a fixed rod (71) and a plurality of discs (72), a through hole is formed in the center of each disc (72), and a plurality of flow guide holes (722) are formed in each disc; during assembly, a plurality of discs (72) are sleeved outside the fixed rod (71), gaps are reserved between the flow guide holes (722) of the adjacent discs (72), and the flow guide holes (722) of the adjacent discs (72) are arranged in a staggered manner to form a plurality of flow-path-long and curved flow guide grooves; two ends of the fixed rod (71) fix the disc (72) through a fixed mechanism; the filter element (7) is processed by metal materials; the filter element (7) is arranged in the sleeve (8) and forms a plurality of flow-guiding channels with long flow path and bending with the inner wall of the sleeve (8), and one end of the sleeve (8) passes through the aluminum pipe (6) and is fixed on the milk pump (21); the faucet (9) is connected with the other end of the sleeve (8) and fixed on the sleeve (8); the method is characterized in that:

the outer side of the top cover (11) is provided with a stirring motor (12), the inner side of the top cover is provided with stirring blades (13), the output shaft of the stirring motor (12) is connected with the tops of the stirring blades (13), the stirring motor (12) drives the stirring blades (13) to rotate and stir, the stirring motor is electrically connected with the controller (5), the bottom of the stirring fan blade (13) is provided with an electrode liquid level switch which is electrically connected with the controller (5), two electrodes of the electrode liquid level switch are respectively arranged at two sides of the bottom of the stirring fan blade (13), when the cover is closed to work, when the electrode of the electrode liquid level switch is contacted with the liquid in the milk container (23), the electrode liquid level switch is conducted, when the liquid in the milk container (23) falls to a certain position, the liquid level can not contact the electrode of the electrode liquid level switch, the electrode liquid level switch is disconnected, and the controller (5) controls the motor (3), the milk pump (21), the compressor and the refrigerating mechanism (4) to stop working;

a through hole is formed in the side wall of the aluminum pipe (6) of the milk outlet pipe, a proximity inductive switch (15) is installed in the through hole, the sensing end of the proximity inductive switch (15) is close to but not in contact with the sleeve (8) of the milk outlet pipe, the output end of the proximity inductive switch (15) is electrically connected with the controller (5), and the proximity inductive switch (15) is set to be in a normally open state;

when in cleaning, the controller (5) controls and executes the cleaning from the milk container (23) to the milk conveying pipe (22) and then to the milk outlet pipe; adding water or a cleaning agent into a milk container (23), closing a top cover, enabling an electrode liquid level switch at the bottom of a stirring fan blade (13) to be conducted, controlling a motor (3) and a milk pump (21) by a controller (5) to pump water or the cleaning agent in the milk container (23) into a milk conveying pipe (22) and then to a milk outlet pipe, flushing a filter element (7), a sleeve (8) and a faucet (9) of the milk outlet pipe, discharging the water or the cleaning agent through the faucet (9), disconnecting the electrode liquid level switch when the milk pump (21) finishes pumping the liquid in the milk container (23), controlling the motor (3) and the milk pump (21) to stop working by the controller (5), then detaching the milk outlet pipe and taking the milk outlet pipe down, and sending a sensing signal to the controller (5) when the milk outlet pipe is not sensed by a proximity sensing switch (15), namely, the cleaning is finished.

2. The automatic washing milk cover machine as claimed in claim 1, wherein: the controller (5) is a PLC controller, the controller (5) further comprises a control panel, and the control panel adopts an LED touch control display screen; and a cleaning function key is arranged on the control panel.

3. The automatic washing milk cover machine as claimed in claim 1, wherein: the proximity inductive switch (15) is an inductive proximity inductive switch or a capacitive proximity inductive switch or a Hall proximity switch.

4. The automatic washing milk lid machine according to claim 1 or 2, characterized in that: the controller (5) is provided with a timer and is used for setting a cleaning period and prompting that the milk cover machine needs to be cleaned after running for a certain time; the controller (5) is provided with a counter for recording the using times of the milk cover machine.