An intelligent liquid discharge system

Abstract

The invention discloses an intelligent liquid discharge system, including a guide cylinder and a liquid storage cylinder, a liquid suction hose for absorbing liquid is provided below the liquid storage cylinder, a liquid inlet control valve is provided at the bottom of the liquid storage cylinder; a piston is provided in the liquid storage cylinder, a sliding rod is provided in the guide cylinder, a liquid discharge nozzle extending from the side of the guide cylinder is provided on one side of the sliding rod, a rack is provided on the other side of the sliding rod, a stepper motor is provided on the guide cylinder, a gear is provided on the output shaft of the stepper motor, the gear extends into the guide cylinder and meshes with the rack; the lower end of the sliding rod passes through the piston, a spring seat is provided at the bottom of the sliding rod, a liquid outlet is provided on the side wall of the sliding rod above the spring seat, and the liquid outlet is connected to the liquid outlet. The arbitrary discharge amount of liquid condiments can be controlled by controlling the rotation of the stepper motor, and the discharge amount of liquid condiments can be set to different discharge amounts according to different dishes, and the designated discharge is realized by the stepper motor, so that there is no need to manually add condiments when cooking, which helps to improve the automation of the automatic cooking machine.

Description

Technical Field

[0001] The present invention relates to the technical field of liquid quantity control, and in particular to an intelligent liquid discharging system. Background Art

[0002] As the scope of application of intelligent control technology becomes more and more extensive, intelligence has entered our lives. For example, automatic cooking machines have been launched and gradually become popular. However, the existing automatic cooking machines or cooking robots can only realize the actions of automatic cooking and flipping. Because the amount of the main dish and the taste requirements are different, the condiments can only be added manually, which cannot fully realize the full intelligence and automation of cooking. Summary of the invention

[0003] In view of the above problems, condiments usually include solid granular condiments and liquid condiments. Liquid condiments include edible oil, soy sauce, cooking wine, etc. The present invention provides an intelligent liquid discharge system, which has the advantage of quantitatively dispensing liquid condiments, thereby facilitating the quantitative dispensing of liquid condiments on automatic cooking machines, and helping to improve the automation of automatic cooking machines.

[0004] The above-mentioned object of the present invention is achieved through the following technical scheme: an intelligent liquid discharge system, comprising a guide cylinder and a liquid storage cylinder arranged in parallel up and down, a liquid suction hose for sucking liquid is provided at the bottom of the liquid storage cylinder, and a liquid inlet control valve for controlling the liquid in the liquid storage cylinder to prevent it from flowing out of the liquid suction hose is provided at the bottom of the liquid storage cylinder; a piston that can slide up and down in the liquid storage cylinder is provided in the liquid storage cylinder, a sliding rod that can slide up and down in the guide cylinder is provided in the guide cylinder, a liquid outlet nozzle extending from the side of the guide cylinder is provided on one side of the sliding rod, a sliding groove for the liquid outlet nozzle to slide up and down is provided on the side of the guide cylinder, and the other side of the sliding rod is provided with a guide groove for the liquid outlet nozzle to slide up and down. A rack is provided on one side, a stepper motor is provided on the guide cylinder, a gear is provided on the output shaft of the stepper motor, the gear extends into the guide cylinder and meshes with the rack; the lower end of the slide rod passes through the piston, a spring seat with a diameter larger than the diameter of the slide rod is provided at the bottom of the slide rod, a liquid outlet is provided on the side wall of the slide rod above the spring seat, the liquid outlet is connected with the liquid outlet nozzle, a push plate for pushing the piston to move downward is provided on the slide rod at the upper position of the piston, a groove for the push plate to move is provided on the piston, and when the piston contacts the spring seat, the piston can completely block the liquid outlet, and when the piston contacts the push plate, the liquid outlet is exposed from under the piston.

[0005] When the piston is in the liquid storage cylinder, the sliding rod drives the piston to move upward and downward, and the sliding rod drives the piston to move downward. When the piston is subjected to the friction resistance of the inner wall of the liquid storage cylinder, the sliding rod and the piston move relative to each other, and the push plate enters the groove. When the push plate moves to be in full contact with the piston, the sliding rod drives the piston to move synchronously. At this time, the liquid outlet hole on the sliding rod is exposed from the bottom of the piston. Because the liquid inlet control valve controls the liquid in the liquid storage cylinder to prevent it from flowing out from the suction hose below, as the piston moves downward, the gas or liquid in the liquid storage cylinder enters the liquid outlet and is discharged from the liquid outlet nozzle; when the sliding rod moves upward, the sliding rod drives the piston to move upward. Also, due to the friction resistance between the piston and the inner wall of the liquid storage cylinder, Relative movement occurs between the piston and the sliding rod, and the piston moves downward relative to the sliding rod and blocks the liquid outlet. When the piston contacts the spring seat, since the diameter of the spring seat is larger than the diameter of the sliding rod, the sliding rod can drive the piston to move synchronously. At this time, the liquid outlet is blocked, and negative pressure is formed in the liquid storage cylinder. The liquid storage cylinder absorbs liquid through the liquid suction hose. Through this step, the function of the device to absorb liquid and then discharge the liquid can be realized. The amount of liquid discharged from the liquid outlet depends on the stroke of the piston, that is, depends on the stroke of the sliding rod. The stroke of the sliding rod is controlled by the stepper motor, and the rotation angle of the output shaft of the stepper motor can be accurately controlled by the input pulse. Therefore, the liquid output at the liquid outlet can be controlled according to the different input pulses of the stepper motor, thereby achieving the purpose of quantitative liquid dosing. When applied to a cooking machine, the amount of liquid seasoning added can be flexibly controlled, which helps to improve the automation of the automatic cooking machine.

[0006] The present invention is further configured such that the liquid inlet control valve includes a liquid inlet valve body arranged at the bottom of the liquid storage cylinder, the liquid inlet valve body is provided with a liquid inlet hole connecting the liquid storage cylinder and the liquid suction hose, and a liquid inlet control ball is provided above the liquid inlet hole for blocking the liquid inlet hole.

[0007] Through the above technical solution, when the liquid enters the liquid storage cylinder from the liquid suction hose, the liquid pushes the liquid inlet control ball, and the liquid can smoothly enter the liquid storage cylinder. On the contrary, when there is no force, the liquid inlet control ball falls into the liquid inlet hole due to its own gravity and blocks the liquid inlet hole. The liquid in the liquid storage cylinder cannot be discharged from the liquid suction hose, thereby realizing the function of the liquid inlet control valve controlling the one-way conduction of the liquid suction hose. The liquid can only enter the liquid storage cylinder from the liquid suction hose and cannot flow down from the liquid storage cylinder into the liquid suction hose.

[0008] The present invention is further configured such that the diameter ratio of the liquid inlet control ball to the liquid inlet hole is between 1.5-2.

[0009] Through the above technical scheme, when the liquid inlet control ball is too small, the liquid inlet control ball will fall into the liquid inlet hole and will not be easy to come out, affecting the one-way conduction effect of the liquid inlet control valve. When the liquid inlet control ball is too large, it is difficult for the liquid inlet control ball to partially fall into the liquid inlet hole to block the liquid inlet hole, which also affects the one-way conduction effect of the liquid inlet control valve. Setting the diameter ratio of the liquid inlet control ball to the liquid inlet hole between 1.5-2 can effectively ensure the one-way conduction ability of the liquid inlet control valve.

[0010] The present invention is further configured such that a return spring in a compressed state is arranged in the liquid storage cylinder, and upper and lower ends of the return spring respectively abut against the spring seat and the liquid inlet control ball.

[0011] Through the above technical solution, the return spring in the compressed state applies thrust to the liquid inlet controller, so that the position of the liquid inlet controller is stable and not easy to drift, thereby improving the reliability of the liquid inlet control valve.

[0012] The present invention is further configured such that a liquid outlet hose is connected to the liquid outlet nozzle.

[0013] Through the above technical solution, it is convenient to guide the liquid discharged from the liquid outlet to a suitable position.

[0014] To sum up, the beneficial effect of the present invention is that the arbitrary discharge amount of liquid condiments can be controlled by controlling the rotation of the stepper motor. When applied to an automatic cooking machine, the discharge amount of liquid condiments can be set according to different dishes, and the specified discharge can be achieved through the stepper motor. There is no need to manually add condiments when cooking, which helps to improve the automation of the automatic cooking machine. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 is a cross-sectional view of this embodiment;

[0016] Figure 2 It is a left side view of this embodiment;

[0017] Figure 3 It is a right side view of this embodiment.

[0018] In the figure, 1. guide cylinder; 2. liquid storage cylinder; 3. liquid suction hose; 4. liquid inlet control valve; 41. liquid inlet valve body; 411. liquid inlet hole; 42. liquid inlet control ball; 5. piston; 51. groove; 6. slide rod; 61. liquid outlet; 62. push plate; 7. liquid outlet nozzle; 8. slide groove; 9. rack; 10. stepping motor; 11. gear; 12. spring seat; 13. return spring; 14. liquid outlet hose. DETAILED DESCRIPTION

[0019] The specific implementation of the present invention will be described in detail below with reference to the accompanying drawings.

[0020] Example: Reference Figure 1-3, an intelligent liquid discharge system, comprising a guide cylinder 1 and a liquid storage cylinder 2 arranged in parallel up and down, a liquid suction hose 3 for sucking liquid is arranged below the liquid storage cylinder 2, and a liquid inlet control valve 4 for controlling the liquid in the liquid storage cylinder 2 to prevent the liquid from flowing out of the liquid suction hose 3 is arranged at the bottom of the liquid storage cylinder 2; a piston 5 that can slide up and down in the liquid storage cylinder 2 is arranged in the liquid storage cylinder 2, a slide rod 6 that can slide up and down in the guide cylinder 1 is arranged in the guide cylinder 1, a liquid discharge nozzle 7 extending from the side of the guide cylinder 1 is arranged on one side of the slide rod 6, a slide groove 8 for the liquid discharge nozzle 7 to slide up and down is arranged on the side of the guide cylinder 1, a rack 9 is arranged on the other side of the slide rod 6, and a stepping motor 10 is arranged on the guide cylinder 1 A gear 11 is provided on the output shaft of the stepping motor 10, and the gear 11 extends into the guide cylinder 1 and meshes with the rack 9; the lower end of the slide rod 6 passes through the piston 5, and the bottom of the slide rod 6 is provided with a spring seat 12 whose diameter is larger than that of the slide rod 6, and the side wall of the slide rod 6 located above the spring seat 12 is provided with a liquid outlet 61, and the liquid outlet 61 is communicated with the liquid outlet nozzle 7, and the slide rod 6 is located above the piston 5 and is provided with a push plate 62 for pushing the piston 5 to move downward, and the piston 5 is provided with a groove 51 for the push plate 62 to move, and when the piston 5 contacts the spring seat 12, the piston 5 can completely block the liquid outlet 61, and when the piston 5 contacts the push plate 62, the liquid outlet 61 is exposed from the bottom of the piston 5.

[0021] When in use, the device is placed in a container filled with liquid seasoning, the liquid suction hose 3 is extended into the liquid, the device is fixed to the container, and when the stepping motor 10 is working, the sliding rod 6 is driven by the rack 9 to move up and down in the guide cylinder 1. When the sliding rod 6 moves downward, the sliding rod 6 drives the piston 5 to move downward. Since the piston 5 is subjected to the friction resistance of the inner wall of the liquid storage cylinder 2, a relative movement occurs between the sliding rod 6 and the piston 5, and the push plate 62 enters the groove 51. When the push plate 62 moves to be in full contact with the piston 5, the sliding rod 6 drives the piston 5 to move synchronously. At this time, the liquid outlet hole on the sliding rod 6 is exposed from the bottom of the piston 5. Since the liquid inlet control valve 4 controls the liquid in the liquid storage cylinder 2 to prevent it from flowing out from the liquid suction hose 3 below, as the piston 5 moves downward, the gas or liquid in the liquid storage cylinder 2 enters the liquid outlet 61 and is discharged from the liquid outlet nozzle 7; when the sliding rod 6 moves upward, the sliding rod 6 drives the piston 5 to move upward. Similarly, due to the friction resistance between the piston 5 and the inner wall of the liquid storage cylinder 2, the active When the piston 5 contacts the spring seat 12, since the diameter of the spring seat 12 is larger than the diameter of the slide rod 6, the slide rod 6 can drive the piston 5 to move synchronously. At this time, the liquid outlet 61 is blocked, and a negative pressure is formed in the liquid storage cylinder 2. The liquid storage cylinder 2 absorbs liquid through the liquid suction hose 3. The function of the device to absorb liquid and discharge liquid can be realized through the following steps. The amount of liquid discharged from the liquid outlet nozzle 7 depends on the stroke of the piston 5, that is, depends on the stroke of the slide rod 6. The stroke of the slide rod 6 is controlled by the stepping motor 10. The rotation angle of the output shaft of the stepping motor 10 can be accurately controlled by the input pulse. Therefore, the amount of liquid discharged from the liquid outlet nozzle 7 can be controlled according to the different input pulses of the stepping motor 10, so as to achieve the purpose of quantitative liquid dosing. When applied to a cooking machine, the amount of liquid seasoning added can be flexibly controlled, which helps to improve the automation of the automatic cooking machine.

[0022] During installation, the liquid storage cylinder 2 and the guide cylinder 1 are bonded or riveted, and the slide rod 6 and the guide cylinder 1 are clearance-matched and ensure that the slide rod 6 and the guide cylinder 1 are not completely sealed, so as to ensure that air can enter the space above the piston 5 in the liquid storage cylinder 2. The piston 5 and the inner wall of the liquid storage cylinder 2 are slidably sealed.

[0023] The liquid inlet control valve 4 includes a liquid inlet valve body 41 disposed at the bottom of the liquid storage cylinder 2, a liquid inlet hole 411 connecting the liquid storage cylinder 2 and the liquid suction hose 3 is provided on the liquid inlet valve body 41, and a liquid inlet control ball 42 for blocking the liquid inlet hole 411 is provided above the liquid inlet hole 411. When the liquid enters the liquid storage cylinder 2 from the liquid suction hose 3, the liquid pushes the liquid inlet control ball 42 away, and the liquid can smoothly enter the liquid storage cylinder 2. On the contrary, in a state without force, the liquid inlet control ball 42 falls into the liquid inlet hole 411 due to its own gravity to block the liquid inlet hole 411, and the liquid in the liquid storage cylinder 2 cannot be discharged from the liquid suction hose 3, thereby realizing the function of the liquid inlet control valve 4 controlling the unidirectional conduction of the liquid suction hose 3, and the liquid can only enter the liquid storage cylinder 2 from the liquid suction hose 3 but cannot flow down from the liquid storage cylinder 2 into the liquid suction hose 3. The diameter ratio of the liquid inlet control ball 42 to the liquid inlet hole 411 is between 1.5 and 2. When the liquid inlet control ball 42 is too small, the liquid inlet control ball 42 will fall into the liquid inlet hole 411 and will not be easy to come out, which affects the unidirectional conduction effect of the liquid inlet control valve 4. When the liquid inlet control ball 42 is too large, it is difficult for the liquid inlet control ball 42 to partially fall into the liquid inlet hole 411 to block the liquid inlet hole 411, which also affects the unidirectional conduction effect of the liquid inlet control valve 4. Setting the diameter ratio of the liquid inlet control ball 42 to the liquid inlet hole 411 between 1.5 and 2 can effectively ensure the unidirectional conduction ability of the liquid inlet control valve 4.

[0024] A compressed return spring 13 is provided in the liquid storage cylinder 2, and the upper and lower ends of the return spring 13 respectively abut against the spring seat 12 and the liquid inlet control ball 42. The compressed return spring 13 applies thrust to the liquid inlet controller, thereby making the position of the liquid inlet controller stable and not easy to drift, thereby improving the reliability of the liquid inlet control valve 4.

[0025] The liquid outlet nozzle 7 is connected with a liquid outlet hose 14 to facilitate directing the liquid discharged from the liquid outlet nozzle 7 to a suitable position.

[0026] The above is only a preferred embodiment of the present invention. It should be pointed out that a person skilled in the art can make several modifications and improvements without departing from the inventive concept of the present invention, which all belong to the protection scope of the present invention.

Claims

1. An intelligent liquid discharging system, characterized in that: The invention comprises a guide cylinder (1) and a liquid storage cylinder (2) arranged in parallel up and down, a liquid suction hose (3) for sucking liquid is arranged below the liquid storage cylinder (2), and a liquid inlet control valve (4) for controlling the liquid in the liquid storage cylinder (2) to prevent the liquid from flowing out of the liquid suction hose (3) is arranged at the bottom of the liquid storage cylinder (2); a piston (5) which can slide up and down in the liquid storage cylinder (2) is arranged in the liquid storage cylinder (2), a slide rod (6) which can slide up and down in the guide cylinder (1) is arranged in the guide cylinder (1), a liquid outlet nozzle (7) extending from the side of the guide cylinder (1) is arranged on one side of the slide rod (6), a slide groove (8) for the liquid outlet nozzle (7) to slide up and down is arranged on the side of the guide cylinder (1), a rack (9) is arranged on the other side of the slide rod (6), and a stepping motor (10) is arranged on the guide cylinder (1), and the output of the stepping motor (10) is driven by the stepping motor (10). The output shaft is provided with a gear (11), which extends into the guide cylinder (1) and meshes with the rack (9); the lower end of the slide rod (6) passes through the piston (5), and the bottom of the slide rod (6) is provided with a spring seat (12) whose diameter is larger than that of the slide rod (6); the side wall of the slide rod (6) located above the spring seat (12) is provided with a liquid outlet (61), and the liquid outlet (61) is communicated with the liquid outlet nozzle (7); the slide rod (6) is provided with a push plate (62) for pushing the piston (5) to move downward at a position above the piston (5); the piston (5) is provided with a groove (51) for the push plate (62) to move; when the piston (5) contacts the spring seat (12), the piston (5) can completely block the liquid outlet (61); when the piston (5) contacts the push plate (62), the liquid outlet (61) is exposed from below the piston (5).

2. The intelligent liquid discharging system according to claim 1, characterized in that: The liquid inlet control valve (4) comprises a liquid inlet valve body (41) arranged at the bottom of the liquid storage cylinder (2), a liquid inlet hole (411) communicating with the liquid storage cylinder (2) and the liquid suction hose (3) is provided on the liquid inlet valve body (41), and a liquid inlet control ball (42) for blocking the liquid inlet hole (411) is provided above the liquid inlet hole (411).

3. The intelligent liquid discharging system according to claim 2, characterized in that: The diameter ratio of the liquid inlet control ball (42) to the liquid inlet hole (411) is between 1.5 and 2.

4. The intelligent liquid discharging system according to claim 3, characterized in that: A return spring (13) in a compressed state is arranged in the liquid storage cylinder (2), and the upper and lower ends of the return spring (13) respectively abut against the spring seat (12) and the liquid inlet control ball (42).

5. The intelligent liquid discharging system according to claim 4, characterized in that: The liquid outlet nozzle (7) is connected to a liquid outlet hose (14).

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