Drug residue detection device

Abstract

The invention discloses a drug residue detection device, and relates to the technical field of drug detection. According to the drug residue detection device, through cooperation of the liquid discharging pipe and the liquid mixing box, liquid mixing and conveying operation of a to-be-detected solution can be completed, through arrangement of a conical filter screen, the to-be-detected solution can be filtered once when entering the liquid discharging pipe, and precipitation can be completed when the to-be-detected solution enters the liquid discharging pipe; and therefore, impurities can be further prevented from entering the detection box through the liquid guide pipe, the detection accuracy of the equipment is improved, compared with a traditional cleaning mode, the cleaning is more convenient, residues in the liquid mixing box and filtered substances in the conical filter screen can be conveniently cleaned, the cleaning effect on the equipment is effectively improved, and the practicability is high. And the influence on the subsequent detection accuracy caused by drug residues is avoided.

Description

Technical Field

[0001] The invention relates to the technical field of drug detection, in particular to a drug residue detection device. Background Art

[0002] Drug residue detection refers to the process of qualitative and quantitative analysis of drug precursors, metabolites or related chemical substances in samples such as organisms, foods, and environments. Referring to the Chinese patent, the announcement number is "CN216525457U" "A food drug residue detection device", which points out that the existing detection equipment cannot effectively mix water and food evenly, and there is a large detection error, which needs to be improved; however, the equipment is still inconvenient to clean and maintain, resulting in the residual drugs inside the equipment easily affecting the detection effect. In this regard, we propose a drug residue detection device to solve the above problems. Summary of the invention

[0003] In view of the deficiencies of the prior art, the present invention provides a drug residue detection device, which solves the problems raised in the above background technology.

[0004] To achieve the above objectives, the present invention is implemented through the following technical solutions: a drug residue detection device, comprising a body, an upper cover is fixedly installed on the top surface of the body, a feed pipe and a liquid inlet pipe are connected inside the upper cover, and a mixing box is installed inside the body, and the mixing box is used to mix the solution to be detected; A detection box is installed inside the body, and the installation position of the detection box is located directly below the mixing box. A drainage pipe is connected to the bottom of the mixing box, and a plugging head is fixedly installed at the end of the drainage pipe. A liquid guide tube is connected to the outside of the drainage pipe, and the liquid guide tube is used to transport the solution to be detected to the inside of the detection box; A conical filter is fixedly installed inside the drainage pipe to filter out impurities in the solution, an elastic ring is fixedly installed at the end of the conical filter, and a plurality of sealing sheets are fixedly installed inside the elastic ring; A negative pressure device is fixedly installed inside the machine body, a connecting pipe is connected between the negative pressure device and the discharge pipe, and a one-way valve is fixedly installed inside the connecting pipe.

[0005] Preferably, an elastic tube is fixedly mounted on the end of the liquid guiding tube, and the end of the elastic tube extends into the interior of the detection box.

[0006] Preferably, a shunt tube is fixedly installed on the outside of the liquid inlet tube, the shunt tube and the liquid inlet tube are connected to each other, a rectangular shunt frame is fixedly installed on the inner top of the detection box, and one end of the shunt tube away from the liquid inlet tube is fixedly connected to the rectangular shunt frame.

[0007] Preferably, the diverter tube and the rectangular diverter frame are interconnected, and the diverter tube is used to transport the cleaning water to the inside of the detection box through the rectangular diverter frame.

[0008] Preferably, a control valve is fixedly installed at the end of the diverter pipe.

[0009] Preferably, a control panel is fixedly mounted on the outer side of the machine body, and a pull plate is fixedly mounted on the outer side of the detection box for pulling out the detection box.

[0010] Preferably, a vibration motor is fixedly installed on the outside of the liquid mixing box to drive the liquid inside the liquid mixing box to vibrate and realize the liquid mixing operation.

[0011] Preferably, two bottom base plates are fixedly installed inside the machine body, and a plurality of supporting springs are fixedly installed between the bottom base plates and both sides of the bottom of the mixing liquid box.

[0012] Preferably, a mixing rod is rotatably mounted in the middle of the top surface of the mixing box, a mixing rack is fixedly mounted on the outer side of the mixing rod, and an arc-shaped mixing plate is fixedly mounted on the end of the mixing rack, elastic scrapers are fixedly mounted on both ends of the side of the arc-shaped mixing plate, a plurality of limiting shafts are fixedly mounted in the middle of the side of the arc-shaped mixing plate, and the ends of the limiting shafts are rotatably connected to rolling wheels.

[0013] Preferably, a servo motor is fixedly mounted on the outer side of the liquid mixing box, and the output end of the servo motor is connected to the end of the mixing rod via a coupling.

[0014] The present invention provides a drug residue detection device. Compared with the prior art, it has the following beneficial effects: (1) The drug residue detection device can complete the mixing and conveying operations of the solution to be detected through the cooperation of the drainage pipe and the mixing box, and through the setting of the conical filter net, it can complete a filtering operation when the solution to be detected enters the drainage pipe, and the precipitation can be completed when the solution to be detected enters the drainage pipe, thereby further preventing impurities from entering the detection box through the liquid guide tube, thereby improving the detection accuracy of the equipment. Compared with the traditional cleaning method, it is more convenient and can facilitate the cleaning of the residues in the mixing box and the filtered materials in the conical filter net, effectively improving the cleaning effect of the equipment and preventing drug residues from affecting the subsequent detection accuracy.

[0015] (2) The drug residue detection device, through the setting of the mixing box, can ensure the mixing effect inside the mixing box through the setting of the vibration motor and the support spring. At the same time, through the cooperation of the elastic scraper and the rolling wheel, on the one hand, the object to be tested can be rolled during the mixing process so that the medicine inside it can be evenly mixed with water. At the same time, the elastic scraper can improve the cleaning effect of the inside of the mixing box to avoid the residue of drugs and impurities, thereby improving the use effect of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the present invention; Figure 2 It is a schematic diagram of the cross-sectional structure of the machine body of the present invention; Figure 3 For the present invention Figure 2 Look at the structural diagram; Figure 4 It is a schematic diagram of the structure of the liquid mixing box of the present invention; Figure 5 It is a cross-sectional structural schematic diagram of the liquid mixing box of the present invention; Figure 6 For the present invention Figure 5 The enlarged structural diagram at A in the middle; Figure 7 It is a schematic diagram of the cross-sectional structure of the liquid discharge pipe of the present invention; Figure 8 For the present invention Figure 7 Enlarged structural diagram at B in the middle.

[0017] In the figure: 1. body; 2. upper cover; 3. control panel; 4. detection box; 5. pull plate; 6. feed pipe; 7. liquid inlet pipe; 701. diverter pipe; 702. control valve; 8. mixing box; 801. mixing rod; 8011. mixing rack; 8012. arc mixing plate; 8013. elastic scraper; 8014. limit shaft rod; 8015. rolling wheel; 802. servo motor; 9. vibration motor; 10. bottom base plate; 1001. support spring; 11. negative pressure device; 1101. connecting pipe; 1102. one-way valve; 12. drain pipe; 1201. plugging head; 1202. conical filter; 1203. elastic beam ring; 1204. sealing sheet; 13. liquid guide tube; 1301. elastic tube; 14. rectangular diverter rack. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0019] See also Figure 1-Figure 8 The present invention provides two technical solutions, which specifically include the following embodiments: Embodiment 1:

[0020] In an embodiment of the present invention, a drug residue detection device includes a body 1, an upper cover 2 is fixedly installed on the top surface of the body 1, a feed pipe 6 and a liquid inlet pipe 7 are respectively connected inside the upper cover 2, and a mixing box 8 is installed inside the body 1, and the mixing box 8 is used to mix the solution to be detected; In the embodiment of the present invention, specifically, during the detection, the object to be detected is introduced into the mixing liquid box 8 through the feed pipe 6, and then a certain amount of water is added into the mixing liquid box 8 through the liquid inlet pipe 7 to mix the residual drug in the object to be detected and the water, and then the drug components in the water are detected; In the embodiment of the present invention, specifically, a detection box 4 is installed inside the body 1, and the installation position of the detection box 4 is located directly below the mixing box 8. A drainage pipe 12 is connected to the bottom of the mixing box 8, and a plugging head 1201 is fixedly installed at the end of the drainage pipe 12. A liquid guide tube 13 is connected to the outside of the drainage pipe 12, and the liquid guide tube 13 is used to transport the solution to be detected to the inside of the detection box 4; Specifically, a valve is installed inside the drain pipe 12 to control the water inside the mixing tank 8 to enter the drain pipe 12; In the embodiment of the present invention, when the residual drug inside the object to be tested is mixed with water, the solution to be tested inside the mixing box 8 enters the inside of the drainage pipe 12 by opening the valve, and as the water level inside the drainage pipe 12 rises, the solution to be tested enters the inside of the detection box 4 through the liquid guide tube 13 to realize the detection operation; In the embodiment of the present invention, specifically, the detection box 4 is an existing device, and a detection test paper is placed inside it for performing a detection operation on the solution to be detected, which will not be described in detail here; In the embodiment of the present invention, a conical filter 1202 is fixedly installed inside the drain pipe 12 for filtering out impurities in the solution, an elastic ring 1203 is fixedly installed at the end of the conical filter 1202, and a plurality of sealing sheets 1204 are fixedly installed inside the elastic ring 1203; In the embodiment of the present invention, by setting the conical filter 1202, the solution to be detected can complete a filtering operation when entering the drainage pipe 12, and the solution to be detected can complete precipitation when entering the drainage pipe 12, thereby further preventing impurities from entering the detection box 4 through the liquid guide tube 13, thereby improving the detection accuracy of the device; In the embodiment of the present invention, a negative pressure device 11 is fixedly installed inside the machine body 1, a connecting pipe 1101 is connected between the negative pressure device 11 and the discharge pipe 12, and a one-way valve 1102 is fixedly installed inside the connecting pipe 1101; In the embodiment of the present invention, after the equipment completes a detection operation, the impurities and solution in the discharge pipe 12 and the mixing liquid box 8 can be extracted through the operation of the negative pressure device 11 to achieve the cleaning operation. In the cleaning process, the conical filter screen 1202 can be forced to open with the operation of the negative pressure device 11 to complete the automatic cleaning operation of the filtered object. In the cleaning process, the cleaning water is introduced into the mixing liquid box 8 through the liquid inlet pipe 7 to complete the flushing process. In the embodiment of the present invention, compared with the traditional cleaning method, it is more convenient and can effectively improve the cleaning effect of the equipment, avoiding drug residues that affect the subsequent detection accuracy; In the embodiment of the present invention, an elastic tube 1301 is fixedly installed at the end of the liquid guiding tube 13, and the end of the elastic tube 1301 extends to the inside of the detection box 4; In the embodiment of the present invention, a shunt pipe 701 is fixedly installed on the outside of the liquid inlet pipe 7, and the shunt pipe 701 and the liquid inlet pipe 7 are connected to each other. A rectangular shunt frame 14 is fixedly installed on the top of the inner side of the detection box 4, and one end of the shunt pipe 701 away from the liquid inlet pipe 7 is fixedly connected to the rectangular shunt frame 14; In the embodiment of the present invention, the shunt pipe 701 is used to transport the cleaning water to the inside of the detection box 4. When the equipment is cleaned after the detection is completed, the control valve 702 can be opened to allow the cleaning water to enter the inside of the detection box 4 through the shunt pipe 701. Then, the negative pressure device 11 can be operated to generate negative pressure inside the drainage pipe 12 and the liquid guide pipe 13, so that the solution inside the detection box 4 is extracted to achieve the cleaning process; In the embodiment of the present invention, specifically, a plurality of leakage holes are symmetrically opened at the bottom of the rectangular diverter frame 14, so as to allow the cleaning water to flow downward along the inner wall of the detection box 4 to ensure the cleaning effect; In the embodiment of the present invention, the flow dividing tube 701 is connected to the rectangular flow dividing frame 14, and the flow dividing tube 701 is used to transport the cleaning water to the inside of the detection box 4 through the rectangular flow dividing frame 14; In the embodiment of the present invention, the shunt tube 701 and the elastic tube 1301 are both retractable tubes, and the elastic tube 1301 cooperates to avoid affecting the pulling out of the detection box 4; In the embodiment of the present invention, a control valve 702 is fixedly installed at the end of the shunt pipe 701. The control valve 702 is an existing device and will not be described in detail here. In the embodiment of the present invention, a control panel 3 is fixedly installed on the outer side of the machine body 1, and a pull plate 5 is fixedly installed on the outer side of the detection box 4 for pulling out the detection box 4. The control panel 3 realizes control based on the existing PLC control module; In the embodiment of the present invention, further, a vibration motor 9 is fixedly installed on the outside of the mixing box 8 to drive the liquid inside the mixing box 8 to vibrate and achieve the mixing operation. The vibration motor 9 is an existing device and will not be described in detail here. Embodiment 2:

[0021] Based on the first embodiment, a drug residue detection device includes a body 1, an upper cover 2 is fixedly installed on the top surface of the body 1, a feed pipe 6 and a liquid inlet pipe 7 are respectively connected inside the upper cover 2, and a mixing box 8 is installed inside the body 1, and the mixing box 8 is used to mix the solution to be detected; In the embodiment of the present invention, specifically, during the detection, the object to be detected is introduced into the mixing liquid box 8 through the feed pipe 6, and then a certain amount of water is added into the mixing liquid box 8 through the liquid inlet pipe 7 to mix the residual drug in the object to be detected and the water, and then the drug components in the water are detected; In the embodiment of the present invention, specifically, a detection box 4 is installed inside the body 1, and the installation position of the detection box 4 is located directly below the mixing box 8. A drainage pipe 12 is connected to the bottom of the mixing box 8, and a plugging head 1201 is fixedly installed at the end of the drainage pipe 12. A liquid guide tube 13 is connected to the outside of the drainage pipe 12, and the liquid guide tube 13 is used to transport the solution to be detected to the inside of the detection box 4; In the embodiment of the present invention, specifically, a valve is installed inside the drain pipe 12 to control the water inside the mixing tank 8 to enter the drain pipe 12; In the embodiment of the present invention, when the residual drug inside the object to be tested is mixed with water, the solution to be tested inside the mixing box 8 enters the inside of the drainage pipe 12 by opening the valve, and as the water level inside the drainage pipe 12 rises, the solution to be tested enters the inside of the detection box 4 through the liquid guide tube 13 to realize the detection operation; In the embodiment of the present invention, specifically, the detection box 4 is an existing device, and a detection test paper is placed inside it for performing a detection operation on the solution to be detected, which will not be described in detail here; In the embodiment of the present invention, a conical filter 1202 is fixedly installed inside the drain pipe 12 for filtering out impurities in the solution, an elastic ring 1203 is fixedly installed at the end of the conical filter 1202, and a plurality of sealing sheets 1204 are fixedly installed inside the elastic ring 1203; In the embodiment of the present invention, by setting the conical filter 1202, the solution to be detected can complete a filtering operation when entering the drainage pipe 12, and the solution to be detected can complete precipitation when entering the drainage pipe 12, thereby further preventing impurities from entering the detection box 4 through the liquid guide tube 13, thereby improving the detection accuracy of the device; In the embodiment of the present invention, a negative pressure device 11 is fixedly installed inside the machine body 1, a connecting pipe 1101 is connected between the negative pressure device 11 and the discharge pipe 12, and a one-way valve 1102 is fixedly installed inside the connecting pipe 1101; In the embodiment of the present invention, after the equipment completes a detection operation, the impurities and solution in the discharge pipe 12 and the mixing liquid box 8 can be extracted through the operation of the negative pressure device 11 to achieve the cleaning operation. In the cleaning process, the conical filter screen 1202 can be forced to open with the operation of the negative pressure device 11 to complete the automatic cleaning operation of the filtered object. In the cleaning process, the cleaning water is introduced into the mixing liquid box 8 through the liquid inlet pipe 7 to complete the flushing process. In the embodiment of the present invention, compared with the traditional cleaning method, it is more convenient and can effectively improve the cleaning effect of the equipment, avoiding drug residues that affect the subsequent detection accuracy; In the embodiment of the present invention, an elastic tube 1301 is fixedly installed at the end of the liquid guiding tube 13, and the end of the elastic tube 1301 extends to the inside of the detection box 4; In the embodiment of the present invention, a shunt pipe 701 is fixedly installed on the outside of the liquid inlet pipe 7, and the shunt pipe 701 and the liquid inlet pipe 7 are connected to each other. A rectangular shunt frame 14 is fixedly installed on the top of the inner side of the detection box 4, and one end of the shunt pipe 701 away from the liquid inlet pipe 7 is fixedly connected to the rectangular shunt frame 14; In the embodiment of the present invention, the shunt pipe 701 is used to transport the cleaning water to the inside of the detection box 4. When the equipment is cleaned after the detection is completed, the control valve 702 can be opened to allow the cleaning water to enter the inside of the detection box 4 through the shunt pipe 701. Then, the negative pressure device 11 can be operated to generate negative pressure inside the drainage pipe 12 and the liquid guide pipe 13, so that the solution inside the detection box 4 is extracted to achieve the cleaning process; In the embodiment of the present invention, specifically, a plurality of leakage holes are symmetrically opened at the bottom of the rectangular diverter frame 14, so as to allow the cleaning water to flow downward along the inner wall of the detection box 4 to ensure the cleaning effect; In the embodiment of the present invention, the flow dividing tube 701 is connected to the rectangular flow dividing frame 14, and the flow dividing tube 701 is used to transport the cleaning water to the inside of the detection box 4 through the rectangular flow dividing frame 14; In the embodiment of the present invention, the shunt tube 701 and the elastic tube 1301 are both retractable tubes, and the elastic tube 1301 cooperates to avoid affecting the pulling out of the detection box 4; In the embodiment of the present invention, a control valve 702 is fixedly installed at the end of the shunt pipe 701. The control valve 702 is an existing device and will not be described in detail here. In the embodiment of the present invention, a control panel 3 is fixedly installed on the outer side of the machine body 1, and a pull plate 5 is fixedly installed on the outer side of the detection box 4 for pulling out the detection box 4. The control panel 3 realizes control based on the existing PLC control module; In the embodiment of the present invention, further, a vibration motor 9 is fixedly installed on the outside of the mixing box 8, which is used to drive the liquid inside the mixing box 8 to vibrate and achieve the mixing operation. The vibration motor 9 is an existing device and will not be described in detail here; In the embodiment of the present invention, two bottom substrates 10 are fixedly installed inside the body 1, and multiple support springs 1001 are fixedly installed between the bottom sides of the mixing box 8 and the bottom substrate 10. Through the cooperation of the support springs 1001, the mixing effect of the solution inside the mixing box 8 can be further ensured; In the embodiment of the present invention, a mixing rod 801 is rotatably mounted on the middle of the top surface of the mixing box 8, a mixing rack 8011 is fixedly mounted on the outer side of the mixing rod 801, and an arc-shaped mixing plate 8012 is fixedly mounted on the end of the mixing rack 8011, and elastic scrapers 8013 are fixedly mounted on both ends of the side of the arc-shaped mixing plate 8012, and a plurality of limiting shaft rods 8014 are fixedly mounted on the middle of the side of the arc-shaped mixing plate 8012, and the ends of the limiting shaft rods 8014 are rotatably connected to rolling wheels 8015; In the embodiment of the present invention, a servo motor 802 is fixedly installed on the outside of the mixing box 8, and the output end of the servo motor 802 is connected to the end of the mixing rod 801 through a coupling; In the embodiment of the present invention, when the solution in the mixing box 8 is mixed, the servo motor 802 is operated to drive the mixing rod 801 and the mixing rack 8011 to reciprocate in the mixing box 8, and the elastic scraper 8013 cooperates with the rolling wheel 8015 to roll the object to be tested during the mixing process so that the medicine inside the object can be evenly mixed with water. At the same time, the elastic scraper 8013 can improve the cleaning effect of the inside of the mixing box 8, avoid the residue of medicine and impurities, and improve the use effect of the equipment. In the embodiment of the present invention, specifically, the servo motor 802 is an existing forward and reverse motor, which is used to drive the mixing rod 801 to reciprocate inside the mixing box 8; In the embodiment of the present invention, specifically, a plurality of elastic scrapers 8013 are staggeredly installed to scrape off the object to be tested and clean the interior of the mixing liquid box 8 .

[0022] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art.

[0023] The above is a detailed description of an embodiment of the present invention, but the content is only a preferred embodiment of the present invention and cannot be considered to limit the scope of implementation of the present invention. All equivalent changes and improvements made within the scope of the present invention should still fall within the scope of the present invention.

Claims

1. A drug residue detection device, comprising a body (1), characterized in that: An upper cover (2) is fixedly mounted on the top surface of the machine body (1), and a feed pipe (6) and a liquid inlet pipe (7) are respectively connected to the interior of the upper cover (2). A liquid mixing box (8) is mounted inside the machine body (1), and the liquid mixing box (8) is used to mix the solution to be tested; A detection box (4) is installed inside the body (1); the detection box (4) is installed directly below the liquid mixing box (8); a liquid discharge pipe (12) is connected to the bottom of the liquid mixing box (8); a plugging head (1201) is fixedly installed at the end of the liquid discharge pipe (12); a liquid guide pipe (13) is connected to the outside of the liquid discharge pipe (12); the liquid guide pipe (13) is used to transport the solution to be detected to the inside of the detection box (4); A conical filter screen (1202) is fixedly installed inside the liquid discharge pipe (12) for filtering out impurities in the solution, an elastic collar (1203) is fixedly installed at the end of the conical filter screen (1202), and a plurality of sealing sheets (1204) are fixedly installed inside the elastic collar (1203); A negative pressure device (11) is fixedly installed inside the machine body (1), a connecting pipe (1101) is connected between the negative pressure device (11) and the liquid discharge pipe (12), and a one-way valve (1102) is fixedly installed inside the connecting pipe (1101).

2. A drug residue detection device according to claim 1, characterized in that: An elastic tube (1301) is fixedly mounted on the end of the liquid guiding tube (13), and the end of the elastic tube (1301) extends into the interior of the detection box (4).

3. A drug residue detection device according to claim 1, characterized in that: A shunt pipe (701) is fixedly mounted on the outer side of the liquid inlet pipe (7), the shunt pipe (701) and the liquid inlet pipe (7) are in communication with each other, a rectangular shunt frame (14) is fixedly mounted on the inner top of the detection box (4), and one end of the shunt pipe (701) away from the liquid inlet pipe (7) is fixedly connected to the rectangular shunt frame (14).

4. A drug residue detection device according to claim 3, characterized in that: The diverter pipe (701) and the rectangular diverter frame (14) are in communication with each other, and the diverter pipe (701) is used to transport the cleaning water to the inside of the detection box (4) through the rectangular diverter frame (14).

5. A drug residue detection device according to claim 3, characterized in that: A control valve (702) is fixedly mounted on the end of the diversion pipe (701).

6. A drug residue detection device according to claim 1, characterized in that: A control panel (3) is fixedly mounted on the outer side of the machine body (1), and a pull plate (5) is fixedly mounted on the outer side of the detection box (4) for pulling out the detection box (4).

7. A drug residue detection device according to claim 1, characterized in that: A vibration motor (9) is fixedly mounted on the outside of the liquid mixing box (8) and is used to drive the liquid inside the liquid mixing box (8) to vibrate, thereby achieving a liquid mixing operation.

8. A drug residue detection device according to claim 7, characterized in that: Two bottom base plates (10) are fixedly installed inside the machine body (1), and a plurality of supporting springs (1001) are fixedly installed between the bottom sides of the mixing liquid box (8) and the bottom base plates (10).

9. A drug residue detection device according to claim 7, characterized in that: A mixing rod (801) is rotatably mounted in the middle of the top surface of the mixing liquid box (8), a mixing frame (8011) is fixedly mounted on the outer side of the mixing rod (801), and an arc-shaped mixing plate (8012) is fixedly mounted at the end of the mixing frame (8011), elastic scrapers (8013) are fixedly mounted at both ends of the side of the arc-shaped mixing plate (8012), a plurality of limiting shaft rods (8014) are fixedly mounted in the middle of the side of the arc-shaped mixing plate (8012), and the ends of the limiting shaft rods (8014) are rotatably connected to rolling wheels (8015).

10. A drug residue detection device according to claim 9, characterized in that: A servo motor (802) is fixedly mounted on the outside of the liquid mixing box (8), and an output end of the servo motor (802) is connected to an end of a mixing rod (801) via a coupling.

Images