Pill production system and pill making method and cleaning method thereof

Abstract

The present invention discloses a pill production system, including a drip tray and a condensation mechanism arranged up and down, a mounting frame is arranged between the drip tray and the condensation mechanism, a material receiver capable of horizontal movement and a driving mechanism for driving the material receiver to move are arranged on the mounting frame, a first liquid level sensor is arranged on the drip tray, and the first liquid level sensor and the driving mechanism are connected by signal. Also disclosed is a pill making method of the pill production system, including the following steps: head material processing; pill making; tail material processing. Also disclosed is a pill production system cleaning method, including: first cleaning of a liquid storage container; second cleaning of the liquid storage container; and drip tray flushing. The pill production system and the pill making method thereof have the advantages of being a pill production system capable of improving the production yield and reducing the production cost, and the pill production system cleaning method has the advantages of good cleaning effect, being able to save water, and preventing the cleaning liquid from dripping into the condensation mechanism, and the like.

Description

Technical Field

[0001] The invention relates to the technical field of food and medicine packaging machinery and equipment, and in particular to a pill production system and a pill making method and a cleaning method thereof. Background Art

[0002] In Chinese medicine dripping pills, the dripping pill machine is a device for dripping Chinese medicine, providing a place for Chinese medicine to be formed from liquid medicine into solid pills. The dripping pill machine includes a dripping plate and a condensing mechanism. The dripping plate drips the liquid Chinese medicine into the condensing mechanism to form solid pills in the condensing mechanism. At the beginning and end of the dripping of Chinese medicine (i.e., the head and tail materials), the height of the medicine in the dripping plate cannot reach the height required by the normal dripping process. At this time, the weight of the dripped medicine drops does not meet the standard, causing the weight of the subsequent solidified pills to not meet the standard and need to be discarded, which reduces the production yield and increases the production cost.

[0003] The Chinese medicine dripping process is driven by gravity and the pressure in the dripping pan to drip. After dripping, it falls into the condensation mechanism and cools naturally to form pills. The whole process is manually monitored and depends on the experience of the operator. It has a low degree of automation and high operation intensity.

[0004] In addition, the cleaning of the dripping pill equipment also requires manual cleaning. Some equipment needs to be disassembled and cleaned separately. For example, the drip tray and liquid storage container are generally cleaned in place, but they need to be manually cleaned. If you are not careful, water can easily fall into the condensation mechanism, causing the condensation mechanism to be contaminated. Therefore, the risk of manual cleaning is relatively large and the degree of automation is low. Summary of the invention

[0005] The technical problem to be solved by the present invention is to overcome the deficiencies of the prior art and provide a pill production system capable of improving the production yield and reducing the production cost;

[0006] Also provided is a pill making method of a pill production system capable of improving the production yield and reducing the production cost;

[0007] Also provided is a cleaning method for a pill production system which has good cleaning effect, can save water and prevent the cleaning liquid from dripping into a condensation mechanism.

[0008] In order to solve the above technical problems, the present invention adopts the following technical solutions:

[0009] A pill production system comprises a drip tray and a condensation mechanism arranged up and down, a mounting frame is arranged between the drip tray and the condensation mechanism, a material receiver capable of horizontal movement and a driving mechanism for driving the material receiver to move are arranged on the mounting frame, a first liquid level sensor is arranged on the drip tray, and a signal of the first liquid level sensor is connected to the driving mechanism.

[0010] As a further improvement of the above technical solution:

[0011] A discharge pipe is arranged on one side of the material receiver.

[0012] A liquid storage container is arranged above the drip tray, a liquid outlet is arranged at the bottom of the liquid storage container, an electric valve mechanism is arranged at the liquid outlet, and the electric valve mechanism is connected with a liquid level sensor signal.

[0013] The electric valve mechanism includes a lifting valve stem, a valve core and a lifting drive motor. The lifting valve stem is arranged on the liquid storage container and connected to the lifting drive motor. The valve core is fixed to the bottom end of the lifting valve stem and is arranged corresponding to the liquid outlet. The lifting drive motor is connected to the liquid level sensor signal.

[0014] The bottom of the liquid storage container does not have a liquid discharge port, a liquid discharge valve is provided at the liquid discharge port, and a vibrator and a stirrer are provided in the liquid storage container.

[0015] The liquid storage container is divided into a plurality of liquid storage areas, the bottom wall of each of the liquid storage areas is a downwardly concave conical wall, and a liquid outlet is arranged at the center of the conical wall.

[0016] An electric heating film is arranged on the side wall of the liquid storage container.

[0017] A pill making method of the above-mentioned pill production system comprises the following steps:

[0018] S1: Head material processing: The material receiver is moved to the bottom of the drip tray, and the liquid medicine is added to the drip tray. The unqualified liquid medicine produced by the drip tray drips into the material receiver;

[0019] S2: Pill making: When the first liquid level sensor detects that the liquid level in the drip tray reaches the qualified liquid level, the driving mechanism starts, and the material receiver is moved away from under the drip tray. The liquid medicine in the drip tray drips into the condensation mechanism, and pills are formed in the condensation mechanism;

[0020] S3: Tail material processing: When the first liquid level sensor detects that the liquid level in the drip tray is lower than the qualified liquid level, the driving mechanism starts to move the material receiver to the bottom of the drip tray, and the liquid medicine in the drip tray drips into the material receiver.

[0021] A method for cleaning the above-mentioned pill production system comprises the following steps:

[0022] S1: First cleaning of the liquid storage container: close the electric valve mechanism and the drain valve, inject the first clean water into the liquid storage container, vibrate the liquid storage container with the vibrator and stir it with the agitator for a specified time, and then open the drain valve to discharge the first cleaning liquid;

[0023] S2: Second cleaning of the liquid storage container: close the electric valve mechanism and the drain valve, inject a second stream of clean water into the liquid storage container, vibrate the liquid storage container with the vibrator, stir the liquid storage container with the stirrer for a specified time, move the material receiver to the bottom of the drip tray, and open the electric valve mechanism to discharge the second cleaning liquid;

[0024] S3: Drip tray flushing: The second cleaning liquid falls on the drip tray to flush the drip tray and is discharged from the material receiver.

[0025] As a further improvement of the above technical solution:

[0026] In step S2, the liquid storage container is heated during the cleaning process.

[0027] Compared with the prior art, the advantages of the present invention are:

[0028] The pill making process of the pill production system of the present invention is as follows: first, a material receiver is moved to the bottom of a drip tray, and medicine liquid is added into the drip tray, and unqualified medicine liquid produced by the drip tray drips into the material receiver; when a first liquid level sensor detects that the liquid level in the drip tray reaches a qualified liquid level, a driving mechanism is started to move the material receiver away from under the drip tray, and the medicine liquid in the drip tray drips into a condensing mechanism to form pills in the condensing mechanism; when the first liquid level sensor detects that the liquid level in the drip tray is lower than a qualified liquid level, the driving mechanism is started to move the material receiver to the bottom of the drip tray, and the medicine liquid in the drip tray drips into the material receiver. The driving mechanism is used to drive the material receiver to move horizontally on the mounting frame. When processing the head and tail materials, the material receiver is moved to the bottom of the drip tray to catch unqualified (weight not up to standard) medicine drops, thereby preventing unqualified medicine drops from falling into the condensation mechanism to form unqualified pills, thereby improving the yield rate of pills produced by the condensation mechanism and reducing the subsequent screening cost of unqualified pills. In addition, the driving mechanism is connected to the liquid level sensor signal in the drip tray. The liquid level sensor detects the liquid level signal in the drip tray and controls the opening and closing of the driving mechanism, thereby controlling the position of the material receiver and improving the degree of automation and reliability. The pill production system can improve the yield rate of production and reduce production costs.

[0029] The pill making method of the pill production system of the present invention moves the material catcher to the right below the drip tray during the processing of the head material and tail material to catch the unqualified (weight not up to standard) medicine drops, thereby preventing the unqualified medicine drops from falling into the condensation mechanism to form unqualified pills, thereby improving the yield rate of the pills produced by the condensation mechanism and reducing the subsequent screening cost of unqualified pills. In addition, the driving mechanism controls the movement of the material catcher through the signal feedback of the liquid level sensor in the drip tray, thereby improving the degree of automation and reliability. The pill making method of the pill production system of the present invention can improve the yield rate of production and reduce production costs.

[0030] The cleaning method of the pill production system of the present invention cleans the liquid storage container twice, thereby improving the cleaning effect, and uses the second cleaning water to rinse the drip tray again, thereby saving water; and through the water receiving function of the material receiver, the cleaning liquid is prevented from dripping into the condensation mechanism. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] Figure 1 It is a three-dimensional structural schematic diagram of the pill production system of the present invention.

[0032] Figure 2 It is a side structural schematic diagram of the pill production system of the present invention.

[0033] Figure 3 It is a schematic diagram of the main structure of the liquid storage container of the pill production system of the present invention.

[0034] Figure 4 It is a side structural schematic diagram of the liquid storage container of the pill production system of the present invention.

[0035] Figure 5 yes Figure 3 Enlarged view of point A in the middle.

[0036] Figure 6 It is a structural schematic diagram of a material receiver of a liquid storage container of a pill production system of the present invention.

[0037] The symbols in the figure represent:

[0038] 1. Drip tray; 11. Liquid level sensor; 2. Condensation mechanism; 3. Feeder; 31. Discharge pipe; 4. Drive mechanism; 41. Servo motor; 42. Transmission assembly; 5. Liquid storage container; 51. Liquid outlet; 52. Discharge outlet; 53. Discharge valve; 54. Liquid storage area; 55. Conical wall; 56. Electric heating film; 6. Electric valve mechanism; 61. Lifting valve stem; 62. Valve core; 63. Lifting drive motor; 7. Vibrator; 8. Agitator; 9. Mounting bracket; 91. Belt transmission mechanism. DETAILED DESCRIPTION

[0039] The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.

[0040] Embodiment 1:

[0041] Figures 1 to 6An embodiment of the pill production system of the present invention is shown, which includes a drip tray 1 and a condensation mechanism 2 arranged up and down, a mounting frame 9 is provided between the drip tray 1 and the condensation mechanism 2, a material receiver 3 capable of horizontal movement and a driving mechanism 4 for driving the material receiver 3 to move are provided on the mounting frame 9, a first liquid level sensor 11 is provided on the drip tray 1, and the first liquid level sensor 11 and the driving mechanism 4 are signal-connected. The pill making method of the pill production system is as follows: first, the material receiver 3 is moved to the bottom of the drip tray 1, and the medicine liquid is added into the drip tray 1, and the unqualified medicine liquid produced by the drip tray 1 drips into the material receiver 3; when the first liquid level sensor 11 detects that the liquid level in the drip tray 1 reaches the qualified liquid level, the drive mechanism 4 is started, and the material receiver 3 is moved away from under the drip tray 1, and the medicine liquid in the drip tray 1 drips into the condensation mechanism 2, and pills are formed in the condensation mechanism 2; when the first liquid level sensor 11 detects that the liquid level in the drip tray 1 is lower than the qualified liquid level, the drive mechanism 4 is started, and the material receiver 3 is moved to the bottom of the drip tray 1, and the medicine liquid in the drip tray 1 drips into the material receiver 3. The driving mechanism 4 is used to drive the material receiver 3 to move horizontally on the mounting frame 9. When processing the head and tail materials, the material receiver 3 is moved to the bottom of the drip tray 1 to catch the unqualified (weight does not meet the standard) medicine drops, thereby preventing the unqualified medicine drops from falling into the condensation mechanism 2 to form unqualified pills, thereby improving the yield rate of pills produced by the condensation mechanism 2 and reducing the subsequent screening cost of unqualified pills. In addition, the driving mechanism 4 is connected to the signal of the liquid level sensor 11 in the drip tray 1. The liquid level sensor 11 detects the liquid level signal in the drip tray 1 and controls the opening and closing of the driving mechanism 4, thereby controlling the position of the material receiver 3 and improving the degree of automation and reliability. The pill production system can improve the yield rate of production and reduce production costs.

[0042] The reason why the head and tail materials need to be processed is that the liquid level height of drip tray 1 does not meet the standard, the pressure at the drip nozzle is small, and the formed drop pellet particles are unqualified.

[0043] Specifically, Figure 6 As shown, the mounting frame 9 is a U-shaped frame, and belt transmission mechanisms 91 are provided on both side walls of the U-shaped frame. The two ends of the material receiver 3 are respectively slidably arranged on the two side walls of the U-shaped frame and are respectively fixedly connected to the two belt transmission mechanisms 91. The driving mechanism 4 includes a servo motor 41 and a transmission assembly 42. The servo motor 41 is arranged on the sealing wall of the U-shaped frame and is linked to the two belt transmission mechanisms 91 through the transmission assembly 42. The middle notch of the U-shaped frame is directly opposite to the bottom of the drip tray 1 and the top of the condensation mechanism 2.

[0044] In this embodiment, Figure 2 As shown, a discharge pipe 31 is provided on one side of the material receiver 3. Specifically, the material receiver 3 is a receiving tray, and the discharge pipe 31 is provided on a side of the receiving tray away from the condensing mechanism 2 to prevent the discharge pipe 31 from hindering the receiving tray from moving between the drip tray 1 and the condensing mechanism 2. The receiving tray moves between the drip tray 1 and the condensing mechanism 2 to prevent unqualified medicine drops from falling into the condensing mechanism 2.

[0045] In this embodiment, a liquid storage container 5 is provided above the drip tray 1, a liquid outlet 51 is provided at the bottom of the liquid storage container 5, an electric valve mechanism 6 is provided at the liquid outlet 51, and the electric valve mechanism 6 is connected to the liquid level sensor 11 by signal. The liquid storage container 5 is used to store liquid medicine, and the liquid outlet 51 of the liquid storage container 5 is located directly above the drip tray 1 to provide liquid medicine to the drip tray 1. The electric valve mechanism 6 is connected to the liquid level sensor 11 by signal, and the liquid level sensor 11 can detect the qualified liquid level and the high liquid level in the drip tray 1. When the liquid level in the drip tray 1 is lower than the qualified liquid level, the electric valve mechanism 6 opens to open the liquid outlet 51, and the liquid medicine is added to the drip tray 1. When the liquid level in the drip tray 1 reaches the high liquid level, the electric valve mechanism 6 closes to close the liquid outlet 51, and stops adding liquid medicine to the drip tray 1, thereby ensuring that the liquid medicine in the drip tray 1 is within the qualified range.

[0046] In this embodiment, Figure 5 As shown, the electric valve mechanism 6 includes a lifting valve stem 61, a valve core 62 and a lifting drive motor 63. The lifting valve stem 61 is arranged on the liquid storage container 5 and connected to the lifting drive motor 63. The valve core 62 is fixed to the bottom end of the lifting valve stem 61 and is arranged corresponding to the liquid outlet 51. The lifting drive motor 63 is connected to the liquid level sensor 11 by signal. Specifically, the lifting valve stem 61 is slidably arranged on the top wall of the liquid storage container 5 and is arranged vertically. The lifting drive motor 63 can be connected to the lifting valve stem 61 through a screw rod to drive the lifting valve stem 61 to rise and fall. The valve core 62 is located directly above the liquid outlet 51. The valve core 62 rises and falls with the lifting of the lifting valve stem 61 to open or block the liquid outlet 51.

[0047] In this embodiment, Figure 3 As shown, there is no drain port 52 at the bottom of the liquid storage container 5, and a drain valve 53 is provided at the drain port 52. A vibrator 7 and a stirrer 8 are provided in the liquid storage container 5 to facilitate the cleaning of the liquid storage container 5. Cleaning process: first close the electric valve mechanism 6 and the drain valve 53, inject the first stream of clean water into the liquid storage container 5, and clean the liquid storage container 5 for the first time by vibrating with the vibrator 7 and stirring with the stirrer 8. After cleaning for a specified time, open the drain valve 53 to discharge the first cleaning liquid; then, close the drain valve 53, inject the second stream of clean water into the liquid storage container 5, and clean the liquid storage container 5 for the second time by vibrating with the vibrator 7 and stirring with the stirrer 8. After cleaning for a specified time, move the material receiver 3 to the bottom of the drip tray 1, open the electric valve mechanism 6 to discharge the second cleaning liquid; the second cleaning liquid falls on the drip tray 1 to rinse the drip tray 1, and is discharged from the discharge pipe 31 of the material receiver 3.

[0048] In this embodiment, Figure 3 As shown, the liquid storage container 5 is divided into a plurality of liquid storage areas 54 . The bottom wall of each liquid storage area 54 is a downwardly concave conical wall 55 , and a liquid outlet 51 is disposed at the center of the conical wall 55 .

[0049] The liquid storage container 5 is long and actually 2 to 4 meters long. The temperature of each part may be different, so the liquid storage area 54 is divided into multiple liquid storage areas 54. Each liquid storage area 54 is temperature-controlled separately. The bottom wall of each liquid storage area 54 is a downwardly concave conical wall 55 so that all the liquid medicine can be discharged.

[0050] In this embodiment, an electric heating film 56 is provided on the side wall of the liquid storage container 5. The electric heating film 56 is used to heat the liquid storage container 5 to prevent the liquid medicine in the liquid storage container 5 from solidifying and improve the fluidity of the liquid medicine in the liquid storage container 5. In addition, when cleaning the liquid storage container 5, the cleaning water in the electric heating film 56 can be heated by the electric heating film 56 to improve the cleaning effect.

[0051] A liquid level sensor 11 may also be provided in the liquid storage container 5. The remaining amount of the liquid is monitored in real time by the liquid level sensor 11, and the opening and closing of the feed valve (the feed valve is provided at the top of the liquid storage container 5) is feedback controlled. The liquid storage container 5 and the drip tray 1 are respectively monitored by their own temperature sensors, and the heating efficiency of the electric heating film 56 is feedback controlled, thereby achieving real-time monitoring of key parameters, and real-time self-adjustment to achieve dynamic balance.

[0052] Embodiment 2:

[0053] A pill making method of a pill production system comprises the following steps:

[0054] S1: Head material processing: the material receiver 3 is moved to the bottom of the drip tray 1, and the medicine liquid is added into the drip tray 1. The unqualified medicine liquid produced by the drip tray 1 drips into the material receiver 3;

[0055] S2: Pill making: When the first liquid level sensor 11 detects that the liquid level in the drip tray 1 reaches the qualified liquid level, the driving mechanism 4 is started to move the material receiver 3 away from under the drip tray 1, and the liquid medicine in the drip tray 1 drips into the condensation mechanism 2 to form pills in the condensation mechanism 2;

[0056] S3: Tail material processing: When the first liquid level sensor 11 detects that the liquid level in the drip tray 1 is lower than the qualified liquid level, the driving mechanism 4 is started to move the material receiver 3 to the bottom of the drip tray 1, and the medicine liquid in the drip tray 1 drips into the material receiver 3.

[0057] The pill making method of the pill production system moves the material receiver 3 to the right below the drip tray 1 when processing the head and tail materials, and catches the unqualified (weight does not meet the standard) medicine drops, thereby preventing the unqualified medicine drops from falling into the condensation mechanism 2 to form unqualified pills, thereby improving the yield rate of the pills produced by the condensation mechanism 2 and reducing the subsequent screening cost of unqualified pills. In addition, the driving mechanism 4 controls the movement of the material receiver 3 through the signal feedback of the liquid level sensor 11 in the drip tray 1, thereby improving the degree of automation and reliability. The pill making method of the pill production system of the present invention can improve the yield rate of production and reduce production costs.

[0058] Embodiment three:

[0059] A method for cleaning a pill production system comprises the following steps:

[0060] S1: First cleaning of the liquid storage container 5: close the electric valve mechanism 6 and the drain valve 53, inject the first clean water into the liquid storage container 5, vibrate the liquid storage container 5 with the vibrator 7 and stir the liquid storage container 5 with the stirrer 8 for a specified time, and then open the drain valve 53 to discharge the first cleaning liquid;

[0061] S2: Second cleaning of the liquid storage container 5: close the electric valve mechanism 6 and the drain valve 53, inject a second stream of clean water into the liquid storage container 5, vibrate the liquid storage container 5 with the vibrator 7 and stir the liquid storage container 5 with the stirrer 8 for a specified time (it is also possible to vibrate and clean the liquid storage container 5 for a period of time and then start the stirrer 8 for stirring and cleaning), move the material receiver 3 to the bottom of the drip tray 1, and open the electric valve mechanism 6 to discharge the second cleaning liquid;

[0062] S3: Flushing the drip tray 1: The second cleaning liquid falls on the drip tray 1 to flush the drip tray 1, and is discharged from the material receiver 3.

[0063] The cleaning method of the pill production system cleans the liquid storage container 5 twice, thereby improving the cleaning effect, and uses the second cleaning water to rinse the drip tray 1 again, thereby saving water; and the water receiving function of the material receiver 3 prevents the cleaning liquid from dripping into the condensation mechanism.

[0064] In this embodiment, in step S2, the liquid storage container 5 is heated during the cleaning process to improve the cleaning effect.

[0065] Although the present invention has been disclosed as above with preferred embodiments, it is not intended to limit the present invention. Any technician familiar with the art can make many possible changes and modifications to the technical solution of the present invention by using the technical content disclosed above without departing from the scope of the technical solution of the present invention, or modify it into an equivalent embodiment of equivalent changes. Therefore, any simple modification, equivalent change and modification made to the above embodiments according to the technical essence of the present invention without departing from the content of the technical solution of the present invention should fall within the scope of protection of the technical solution of the present invention.

Claims

1. A pill production system, characterized in that: The invention comprises a drip tray (1) and a condensing mechanism (2) arranged in an upper and lower manner, a mounting frame (9) being arranged between the drip tray (1) and the condensing mechanism (2), a material receiver (3) capable of horizontal movement and a driving mechanism (4) for driving the material receiver (3) to move being arranged on the mounting frame (9), a first liquid level sensor (11) being arranged on the drip tray (1), and a signal of the first liquid level sensor (11) and the driving mechanism (4) being connected.

2. The pill production system according to claim 1, characterized in that: A discharge pipe (31) is provided on one side of the material receiver (3).

3. The pill production system according to claim 1 or 2, characterized in that: A liquid storage container (5) is provided above the drip tray (1), a liquid outlet (51) is provided at the bottom of the liquid storage container (5), an electric valve mechanism (6) is provided at the liquid outlet (51), and the electric valve mechanism (6) is connected to a liquid level sensor (11) by signal.

4. The pill production system according to claim 3, characterized in that: The electric valve mechanism (6) comprises a lifting valve stem (61), a valve core (62) and a lifting drive motor (63); the lifting valve stem (61) is arranged on the liquid storage container (5) and connected to the lifting drive motor (63); the valve core (62) is fixed to the bottom end of the lifting valve stem (61) and is arranged corresponding to the liquid outlet (51); and the lifting drive motor (63) is connected to the liquid level sensor (11) for signal communication.

5. The pill production system according to claim 3, characterized in that: The bottom of the liquid storage container (5) does not have a liquid discharge port (52), and a liquid discharge valve (53) is provided at the liquid discharge port (52). A vibrator (7) and a stirrer (8) are provided in the liquid storage container (5).

6. The pill production system according to claim 3, characterized in that: The liquid storage container (5) is divided into a plurality of liquid storage areas (54), the bottom wall of each of the liquid storage areas (54) is a downwardly concave conical wall (55), and a liquid outlet (51) is provided at the center of each of the conical walls (55).

7. The pill production system according to claim 3, characterized in that: An electric heating film (56) is provided on the side wall of the liquid storage container (5).

8. A pill making method of a pill production system according to any one of claims 1 to 7, characterized in that: The steps include: S1: Head material processing: the material receiver (3) is moved to the bottom of the drip tray (1), and the medicine liquid is added to the drip tray (1), and the unqualified medicine liquid produced by the drip tray (1) drips into the material receiver (3); S2: pill making: when the first liquid level sensor (11) detects that the liquid level in the drip tray (1) reaches a qualified liquid level, the driving mechanism (4) is started, and the material receiver (3) is moved away from under the drip tray (1), and the liquid medicine in the drip tray (1) drips into the condensation mechanism (2), and pills are formed in the condensation mechanism (2); S3: Tail material processing: When the first liquid level sensor (11) detects that the liquid level in the drip tray (1) is lower than the qualified liquid level, the driving mechanism (4) is started to move the material receiver (3) to the bottom of the drip tray (1), and the medicine liquid in the drip tray (1) drips into the material receiver (3).

9. A method for cleaning a pill production system according to any one of claims 5 to 7, characterized in that: The steps include: S1: First cleaning of the liquid storage container (5): close the electric valve mechanism (6) and the drain valve (53), inject the first stream of clean water into the liquid storage container (5), vibrate the liquid storage container (5) with the vibrator (7) and stir the liquid storage container (5) with the stirrer (8) for a specified time, and then open the drain valve (53) to discharge the first stream of cleaning liquid; S2: cleaning the liquid storage container (5) for the second time: close the electric valve mechanism (6) and the drain valve (53), inject a second stream of clean water into the liquid storage container (5), vibrate the liquid storage container (5) with the vibrator (7) and stir the liquid storage container (5) with the stirrer (8) for a specified time, move the material receiver (3) to the bottom of the drip tray (1), and open the electric valve mechanism (6) to discharge the second cleaning liquid; S3: Flushing the drip tray (1): The second cleaning liquid falls on the drip tray (1) to flush the drip tray (1), and is discharged from the material receiver (3).

10. The cleaning method of the pill production system according to claim 9, characterized in that: In the step S2, the liquid storage container (5) is heated during the cleaning process.

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