Ultrasonic cleaning method for sample needles based on ultrasonic cleaning device

Abstract

This invention relates to the field of ultrasonic cleaning, and more specifically to an ultrasonic cleaning method for sample needles based on an ultrasonic cleaning device. The method includes the following steps: inserting the sample needle into the ultrasonic cleaning device and cleaning it according to the needle's shape and contamination status; selecting different cleaning modes, including ultrasonic cleaning, spray cleaning, a combination of ultrasonic spray cleaning, and a combination of oscillation cleaning; storing liquid in the ultrasonic cleaning device and determining the liquid level, then performing ultrasonic cleaning by ultrasonic vibration along a 360° circumferential direction; and stabilizing the liquid level in the ultrasonic cleaning device by controlling the liquid circulation. The beneficial effects of this invention are that it solves the problems of limited cleaning modes, the inability to balance cleaning effect and cleaning tank depth, weaker cleaning effect with higher liquid levels, poor cleaning uniformity, and relatively weak cleaning and waste removal capabilities.

Description

Technical Field

[0001] This invention relates to the field of ultrasonic cleaning, and more specifically to an ultrasonic cleaning method for sample needles based on an ultrasonic cleaning device. Background Technology

[0002] Ultrasonic cleaning utilizes the cavitation, acceleration, and direct flow effects of ultrasound waves in liquids to directly and indirectly act on the liquid and contaminants, dispersing, emulsifying, and peeling off the contaminant layer to achieve the cleaning purpose. An ultrasonic cleaning machine mainly consists of two parts: an ultrasonic cleaning tank and an ultrasonic generator. The ultrasonic cleaning tank is made of high-quality stainless steel that is sturdy, elastic, and corrosion-resistant, with an ultrasonic transducer vibrator installed at the bottom. The ultrasonic generator produces high-frequency, high-voltage electricity, which is transmitted to the transducer through a cable connection. The transducer and the vibrating plate together generate high-frequency resonance, causing the solvent in the cleaning tank to be cleaned by the ultrasonic waves. Generally, the items being cleaned are placed vertically; sample needles cannot be placed horizontally or tilted during the cleaning process, mainly considering the depth of the cleaning tank. With water flowing continuously downwards, the upper part is easily not cleaned thoroughly. Traditional ultrasonic cleaning devices can only install the transducer at the bottom of the cleaning tank, leaving the sample needles in the upper part of the water level, making them difficult to clean and hindering the removal of contaminants.

[0003] For example, patent number CN202111556752.2 discloses an ultrasonic cleaning device, its control method, control apparatus, and cleaning system. This ultrasonic cleaning device includes an ultrasonic generator and an airbag device. The airbag device is used to adjust the ultrasonic generator's position at different depths in the liquid. The airbag device includes an airbag body that encloses at least a portion of the ultrasonic generator. Compared to existing technologies where the ultrasonic generator is fixed at the bottom for cleaning objects with varying buoyancy, resulting in poor cleaning of objects far from the ultrasonic generator, this ultrasonic cleaning device, by adjusting the ultrasonic generator's position at different depths in the liquid using the airbag device, ensures that the ultrasonic generator is closer to objects at different depths, thus guaranteeing better cleaning results for objects at different depths in the liquid.

[0004] Therefore, existing traditional cleaning and ultrasonic cleaning methods have drawbacks: the cleaning pattern is limited, the cleaning effect and the depth of the cleaning tank cannot be balanced, the higher the liquid level, the weaker the cleaning effect; the cleaning uniformity is poor; and the cleaning and sewage discharge capacity is relatively weak. Summary of the Invention

[0005] Therefore, the technical problem to be solved by the present invention is to overcome the problems in the prior art, such as the single cleaning pattern, the inability to balance the cleaning effect and the depth of the cleaning tank, the weaker the cleaning effect as the liquid level increases, poor cleaning uniformity, and relatively weak cleaning and sewage discharge capacity.

[0006] Therefore, the technical solution adopted is the ultrasonic cleaning method for sample needles based on an ultrasonic cleaning device of the present invention, which includes the following steps:

[0007] Step 1: Insert the sample needle into the ultrasonic cleaning device and clean it according to the sample needle type and contamination status;

[0008] Step 2: Select different cleaning modes, including ultrasonic cleaning, spray cleaning, ultrasonic spray combination cleaning, oscillating combination cleaning, and temperature-controlled cleaning;

[0009] Step 3: After determining the liquid level in the ultrasonic cleaning device, ultrasonic cleaning is performed using ultrasonic cleaning with 360° circumferential vibration. The liquid level in the ultrasonic cleaning device is stabilized by controlling the liquid circulation, and combined with vertical flow spray cleaning and 360° circumferential ultrasonic cleaning to achieve combined cleaning. The nozzles on the ultrasonic cleaning device are controlled and adjusted to cooperate with the combined cleaning, performing oscillating combined cleaning. Temperature-controlled cleaning is achieved by heating the liquid in conjunction with the 360° circumferential ultrasonic cleaning.

[0010] Step 4: Determine the cleaning time in Step 3. After cleaning, remove the sample needle, drain the wastewater, and the cleaning is complete.

[0011] Preferably, the ultrasonic cleaning device includes a cleaning tank assembly, on which a piezoelectric ceramic component is fixed. A pin insertion port is fixed and connected to the upper end of the cleaning tank assembly. An inlet and an outlet are fixed and connected to the upper and lower ends of the cleaning tank assembly, respectively. The piezoelectric ceramic component is connected to an ultrasonic generator via a cable. A sample needle is inserted into the pin insertion port at the upper end of the cleaning tank assembly.

[0012] Preferably, the liquid inlet is connected to an adjusting nozzle via a sealing thread, and the adjusting nozzle is connected to and connected to a water pump assembly; the liquid outlet is connected to an electrically controlled valve via a sealing thread, and the electrically controlled valve is connected to and connected to a drain pump assembly; a water level detection sensor is installed inside the cleaning tank assembly; and a heater is fixedly installed and connected to the water pump assembly.

[0013] Preferably, during level control, if the liquid level has not reached the cleaning height, the drain pump unit is shut off via an electrically controlled valve;

[0014] When the liquid level is controlled, once the cleaning height is reached, the liquid flow rate added by the suction pump unit through the adjusting nozzle is the same as the discharge flow rate controlled by the drain pump unit through the electrically controlled valve.

[0015] Preferably, both the suction pump set and the drainage pump set are equipped with flow meters.

[0016] Preferably, when using ultrasonic cleaning, combined cleaning, and oscillating combined cleaning modes, the ultrasonic generator is in operation.

[0017] Preferably, the heater is equipped with a temperature sensor.

[0018] Preferably, the sprayed water on the sample needle flows in the direction of the needle, and the liquid flowing in the direction of the needle is perpendicular to the ultrasonic waves that vibrate 360° around the piezoelectric ceramic component.

[0019] Preferably, the adjusting nozzle includes an internal threaded tube, an internal connecting ball seat, an external connecting ball seat, an external threaded tube, an internal ball seat, a switching driver, and an adjusting swing driver. The internal threaded tube is connected to the inlet via a sealing thread. The internal connecting ball seat, the external connecting ball seat, and the external threaded tube are sequentially fixed and connected from the inside to the outside of the internal threaded tube. The two internal ball seats are respectively sealed and slidably connected within the internal and external connecting ball seats, and the switching driver is sealed and slidably connected between the two internal ball seats. The adjusting swing driver is fixed within the internal ball seat of the external connecting ball seat. The adjusting swing driver is fixed on the external threaded tube, and the external threaded tube is connected to the water pump assembly via a sealing thread.

[0020] Preferably, the inner connecting ball seat has a side slot at its side end, an inner longitudinal sealing groove at its inner wall, a through hole at its center, and an outer connecting ball seat fixed at its inner end. The structure and connection method of the outer connecting ball seat are the same as those of the inner connecting ball seat.

[0021] The outer end of the inner ball seat is fixed with an inner sealing arc-shaped slider. The inner ball seat slides longitudinally in the inner longitudinal sealing groove through the inner sealing arc-shaped slider. The inner wall of the inner ball seat is provided with an inner arc-shaped switching groove. The two inner ball seats are fixedly connected.

[0022] The switching driver includes a switching drive servo motor, a gear swing seat, a fixed rotating shaft, an arc-shaped sealing slide, an atomizing nozzle, a DC nozzle, and a wide-flow nozzle. The switching drive servo motor is fixed to the side ends of the two inner ball seats via a motor mount. The switching drive servo motor drives the gear swing seat through gear meshing. One end of the gear swing seat rotates on the fixed rotating shaft, which is fixed between the two inner ball seats. The other end of the swing seat is fixed to the arc-shaped sealing slide. The two ends of the arc-shaped sealing slide are respectively sealed and slid in the inner arc-shaped switching grooves of the two inner ball seats. The atomizing nozzle, the DC nozzle, and the wide-flow nozzle are uniformly fixed in the arc-shaped sealing slide to connect the two inner ball seats.

[0023] The adjustable swing driver includes a swing drive servo motor, a swing drive rod, and a swing connecting shaft. The swing drive servo motor is fixed to the side end of the external threaded tube through a motor mount. The drive shaft of the swing drive servo motor is fixed to one end of the swing drive rod, and the other end of the swing drive rod is fixed to the swing connecting shaft. The swing connecting shaft is fixed to the side end of the inner ball seat of the outer connecting ball seat, and the swing connecting shaft slides inside the outer connecting ball seat.

[0024] Other features and advantages of the invention will be set forth in the following description, and will be apparent in part from the description, or may be learned by practicing the invention. The objects and other advantages of the invention may be realized and obtained by means of the structures particularly pointed out in the written description, claims, and drawings.

[0025] The technical solution of the present invention will be further described in detail below with reference to the accompanying drawings and embodiments. Attached Figure Description

[0026] The accompanying drawings are provided to further illustrate the invention and form part of the specification. They are used in conjunction with embodiments of the invention to explain the invention and do not constitute a limitation thereof. In the drawings:

[0027] Figure 1 This is a schematic diagram of the operation flow of the method of the present invention;

[0028] Figure 2 This is a cross-sectional structural schematic diagram of the ultrasonic cleaning device of the present invention;

[0029] Figure 3 This is a schematic diagram of the overall structure of the ultrasonic cleaning device of the present invention;

[0030] Figure 4 This is a schematic diagram of the connection structure of the adjusting nozzle of the present invention;

[0031] Figure 5 This is a partial structural diagram of the adjusting nozzle of the present invention. Figure 1 ;

[0032] Figure 6 This is a schematic diagram of the side end structure of the adjusting nozzle of the present invention;

[0033] Figure 7 This is a schematic diagram of the internal connecting ball seat of the present invention;

[0034] Figure 8 This is a partial structural diagram of the adjusting nozzle of the present invention. Figure 2 ;

[0035] Figure 9 This is a schematic diagram of the inner ball seat of the present invention;

[0036] Figure 10This is a schematic diagram of the switching driver of the present invention;

[0037] Figure 11 This is a schematic diagram of the structure of the adjustable swing driver of the present invention. Figure 1 ;

[0038] Figure 12 This is a schematic diagram of the structure of the adjustable swing driver of the present invention. Figure 2 .

[0039] In the diagram: 1. Cleaning tank assembly; 2. Piezoelectric ceramic component; 3. Liquid outlet; 4. Guide surface; 5. Liquid inlet; 6. Needle port; 7. Sample needle; 8. Internal threaded tube; 9. Internal connecting ball seat; 10. External connecting ball seat; 11. External threaded tube; 12. Internal ball seat; 13. Switching driver; 14. Adjusting swing driver; 15. Side slot; 16. Internal longitudinal sealing slide; 17. Connecting hole; 18. Internal sealing arc-shaped slider; 19. Internal arc-shaped switching slide; 20. Switching drive servo motor; 21. Gear swing seat; 22. Fixed rotating shaft; 23. Arc-shaped sealing slide; 24. Atomizing nozzle; 25. DC nozzle; 26. Wide flow nozzle; 27. Swing drive servo motor; 28. Swing drive rod; 29. ​​Swing connecting shaft. Detailed Implementation

[0040] To make the above-mentioned objects, features and advantages of the present invention more apparent and understandable, the present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.

[0041] In the description of this application, it should be understood that the terms "middle," "top," "bottom," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this application. The terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this application, "a plurality of" means two or more, unless otherwise explicitly specified.

[0042] Furthermore, unless otherwise explicitly specified and limited, the terms "installation," "connection," "linking," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection between two components. Those skilled in the art can understand the specific meaning of the above terms in this application based on the specific circumstances.

[0043] In this application, unless otherwise expressly specified and limited, "above" or "below" the second feature can include direct contact between the first and second features, or contact between the first and second features through another feature between them. Furthermore, "above," "over," and "on top" of the second feature includes the first feature being directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature includes the first feature being directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature. Specific implementation method one:

[0045] like Figure 1 and Figure 2 As shown, an ultrasonic cleaning method for sample needles based on an ultrasonic cleaning device includes the following steps:

[0046] Step 1: Insert the sample needle 7 into the ultrasonic cleaning device and clean it according to the shape and contamination status of the sample needle 7.

[0047] Step 2: Select different cleaning modes, including ultrasonic cleaning, spray cleaning, ultrasonic spray combination cleaning, oscillating combination cleaning, and temperature-controlled cleaning;

[0048] Step 3: After determining the liquid level in the ultrasonic cleaning device, ultrasonic cleaning is performed using ultrasonic cleaning with 360° circumferential vibration. The liquid level in the ultrasonic cleaning device is stabilized by controlling the liquid circulation, and combined with vertical flow spray cleaning and 360° circumferential ultrasonic cleaning to achieve combined cleaning. The nozzles on the ultrasonic cleaning device are controlled and adjusted to cooperate with the combined cleaning, performing oscillating combined cleaning. Temperature-controlled cleaning is achieved by heating the liquid in conjunction with the 360° circumferential ultrasonic cleaning.

[0049] Step 4: Determine the cleaning time in Step 3. After cleaning, remove sample needle 7, drain the wastewater, and the cleaning is complete.

[0050] The working principle and beneficial effects of this embodiment are as follows: By inserting the sample needle 7 into the needle port 6, different cleaning modes are automatically selected based on the corresponding length of the sample needle 7 and the characteristics of the residual impurities to be cleaned. These modes include ultrasonic cleaning, spray cleaning, combined cleaning, and oscillating combined cleaning. Ultrasonic cleaning involves sealing the added liquid and then performing ultrasonic vibration cleaning. Spray cleaning involves spraying the added liquid onto the sample needle 7. Combined cleaning combines spray cleaning and ultrasonic vibration cleaning with the addition of liquid, resulting in a more thorough cleaning. Oscillating combined cleaning and spray cleaning combined with spray oscillation and different spray forms can be combined with ultrasonic cleaning. When the cleaning mode is determined, liquid level control is also determined accordingly. Liquid level control is combined with the addition and discharge of liquid, and cleaning is performed by timing. The frequency converter controls the number of continuous cleaning cycles, which can be selected based on the cleaning time to calculate the number of cleaning cycles and perform automatic cyclic cleaning until the impurities containing liquid are discharged after cleaning is completed. Specific Implementation Method Two:

[0052] like Figure 2 and Figure 3 As shown, an ultrasonic cleaning method for sample needles based on an ultrasonic cleaning device is described. The ultrasonic cleaning device includes a cleaning tank assembly 1, on which a piezoelectric ceramic component 2 is fixed. A needle insertion port 6 is fixed and connected to the upper end of the cleaning tank assembly 1. An inlet 5 and an outlet 3 are fixed and connected to the upper and lower ends of the cleaning tank assembly 1, respectively. The piezoelectric ceramic component 2 is connected to an ultrasonic generator via a cable. The needle insertion port 6 is connected to the upper end of the cleaning tank assembly 1, and a sample needle 7 is inserted into the needle insertion port 6.

[0053] The working principle and beneficial effects of this embodiment are as follows: the piezoelectric ceramic component 2 is connected to the ultrasonic generator through a cable connection to conduct ultrasonic wave emission;

[0054] The piezoelectric ceramic component 2 can be circular, square, polygonal, etc., and its shape is not limited. In combination with the shape characteristics of the piezoelectric ceramic component 2, in order to ensure the circumferential vibration mode of the piezoelectric ceramic component 2, the ultrasound is emitted along the circumferential 360° and acts on the surface of the sample needle 7 in a nearly perpendicular manner. The cleaning tank assembly 1 can be selectively matched. The inner wall of the piezoelectric ceramic component 2 is circular. Depending on the actual situation, the cleaning tank assembly 1 can be selected to use a circular metal tube. If the inner wall of the piezoelectric ceramic component 2 is square or polygonal, the cleaning tank assembly 1 must be selected to use a circular metal tube for better results.

[0055] The core of this embodiment lies in the combined use of a circumferential piezoelectric ceramic component 2 and a tubular cleaning tank. It efficiently integrates traditional rinsing and ultrasonic cleaning, and optimizes the position and structure of the outlet. First, the circumferential vibration mode of the piezoelectric ceramic component 2 ensures that the ultrasonic vibration does not vary significantly with different liquid levels, guaranteeing a uniform sound field. After efficient coupling between the piezoelectric ceramic component 2 and the cleaning tank assembly 1, the ultrasound is emitted 360° circumferentially and acts on the surface of the sample needle 7 in a nearly perpendicular manner. This method is more effective for cleaning both the inner and outer walls of the sample needle 7. Second, the sample needle 7 is cleaned by allowing liquid to enter both the inner and outer walls of the cleaning tank assembly simultaneously (or by using only one method). The flow direction of the cleaning liquid is also nearly perpendicular to the ultrasonic direction. This method minimizes the impact of flow rate on the ultrasonic cleaning effect. Finally, the outlet 3 of the cleaning tank was optimized. The outlet is located directly below the cleaning tank, and a guide surface 4 was designed. The diameter of the tank opening is also large, so that the cleaning fluid and dirt can be discharged without dead corners, ensuring the cleanliness of the cleaning. This enables the use of circumferential ultrasonic cleaning of slender needle-like items. It adopts an effective combination of traditional ultrasonic cleaning and ultrasonic cleaning. The structural design of the guide surface 4 allows the cleaning fluid and dirt to be discharged without dead corners. At the same time, it can meet the cleaning needs of sample needles 7 of different lengths. The inner and outer walls of the sample needles 7 can be cleaned by rinsing and ultrasonic cleaning, resulting in better cleaning effect. Specific implementation method three:

[0057] like Figure 1 As shown in Figure 3, the ultrasonic cleaning method for sample needles based on an ultrasonic cleaning device includes an inlet 5 connected to an adjusting nozzle via a sealing thread, which is connected to a water pump group; an outlet 3 connected to an electrically controlled valve via a sealing thread, which is connected to a drain pump group; and a drain pump group shuts off the drain pump group when the liquid level is not at the cleaning height during liquid level control.

[0058] During liquid level control, when the cleaning height is reached, the liquid flow rate added by the suction pump group through the adjusting nozzle is the same as the discharge flow rate controlled by the drain pump group through the electrically controlled valve; both the suction pump group and the drain pump group are equipped with flow meters; when the cleaning mode adopts ultrasonic cleaning, combined cleaning and swing combined cleaning, the ultrasonic generator is in working state; the cleaning tank assembly 1 is equipped with a water level detection sensor.

[0059] The working principle and beneficial effects of this embodiment are as follows: The liquid inlet 5 is connected to the adjusting nozzle through a sealing thread. The adjusting nozzle is connected to the water suction pump group, which adds liquid. The adjusting nozzle facilitates switching of the cleaning mode. The liquid outlet 3 is connected to the electric control valve through a sealing thread. The electric control valve is connected to the drain pump group. The electric control valve is automatically controlled according to the liquid level, which facilitates liquid discharge and liquid level calculation. During liquid level control, if the liquid level does not reach the cleaning height, the drain pump group is closed through the electric control valve to store the liquid, which facilitates ultrasonic cleaning. The liquid level is automatically adjusted according to the cleaning length.

[0060] During liquid level control, once the cleaning height is reached, the liquid flow rate added by the suction pump group through the adjusted nozzle and the discharge flow rate controlled by the drain pump group through the electrically controlled valve are the same; while maintaining continuous spraying, the liquid level is stabilized. By adopting a method where liquid can enter from both the inner and outer walls simultaneously, the cleaning process can be precisely controlled to adapt to the rapid changes in load during ultrasonic vibration, ensuring the uniformity of the sound field. Through this method, dirt and impurities on the surface of the sample needle 7 can be effectively removed, improving the cleanliness and reliability of the sample needle 7.

[0061] Both the suction pump group and the drainage pump group are equipped with flow meters for easy flow monitoring. The flow meters are all existing products of testing equipment currently on the market. When the cleaning mode adopts ultrasonic cleaning, combined cleaning and swing combined cleaning, the ultrasonic generator is in working state. The cleaning tank assembly 1 is equipped with a water level detection sensor. The data transmitted by the water level detection sensor facilitates the switching of cleaning modes and the control of liquid addition and discharge. Specific implementation method four:

[0063] like Figure 1 As shown in Figure 3, in the ultrasonic cleaning method for sample needles based on an ultrasonic cleaning device, a heater is fixedly and connected to the water pump assembly; a temperature sensor is installed on the heater.

[0064] The working principle and beneficial effects of this embodiment are as follows: By controlling the liquid flow rate and temperature, and by controlling the ultrasonic frequency, the cleaning process can be precisely controlled by adopting a method in which liquid can enter both the inner and outer walls simultaneously. Combined with the characteristics of different impurities, the added liquid can be heated. The corresponding temperature data is transmitted to the control center through the temperature sensor. Based on the cleaning method, it is automatically selected whether to add liquids of different temperatures to raise the temperature of the spray water and the ultrasonic medium, thereby making it easier to dissolve insoluble impurities and promoting the cleaning effect. Specific implementation method five:

[0066] like Figure 1As shown in Figure 3, in the ultrasonic cleaning method for sample needles based on an ultrasonic cleaning device, the spray water on the sample needle 7 flows in the direction of the needle, and the liquid flowing in the direction of the needle is perpendicular to the ultrasonic waves that vibrate 360° in the circumferential direction emitted from the piezoelectric ceramic component 2.

[0067] The working principle and beneficial effects of this embodiment are as follows: By controlling the flow rate of the inlet 5 and outlet 3 within the ultrasonic cleaning device, the liquid level stored in the cleaning tank assembly 1 and the piezoelectric ceramic component 2 within the ultrasonic cleaning device is always kept in a relatively controllable state and is always kept flowing. The sample needle 7 is sprayed and cleaned through the spray outlet 3, with the spray water flowing in the direction of the needle. Combined with the vertical vibration of the 360° circumferential ultrasonic waves emitted from the piezoelectric ceramic component 2, the continuously flowing downward liquid is continuously subjected to ultrasonic vibration, thereby increasing the cleaning effect on the sample needle 7. At the same time, by controlling the corresponding spray flow rate and the emission frequency of the ultrasonic generator, combined with the automatic control of the frequency conversion program, the cleaning effect is increased while determining the most reasonable usage effect and maintaining maximum cleaning efficiency. This solves the technical problems of single cleaning pattern, inability to balance cleaning effect and cleaning tank depth, weaker cleaning effect with higher liquid level, poor cleaning uniformity, and relatively weak cleaning and sewage discharge capacity. Specific implementation method six:

[0069] like Figure 4 As shown in Figure 12, the ultrasonic cleaning method for sample needles based on an ultrasonic cleaning device includes an adjusting nozzle comprising an internal threaded tube 8, an internal connecting ball seat 9, an external connecting ball seat 10, an external threaded tube 11, an internal ball seat 12, a switching driver 13, and an adjusting swing driver 14. The internal threaded tube 8 is connected to the liquid inlet 5 via a sealing thread. The internal threaded tube 8 is sequentially fixed and connected to the internal connecting ball seat 9, the external connecting ball seat 10, and the external threaded tube 11 from the inside out. The two internal ball seats 12 are respectively sealed and slidably connected inside the internal connecting ball seat 9 and the external connecting ball seat 10, and the switching driver 13 is sealed and slidably connected between the two internal ball seats 12. The adjusting swing driver 14 is fixed to the internal ball seat 12 inside the external connecting ball seat 10. The adjusting swing driver 14 is fixed to the external threaded tube 11, and the external threaded tube 11 is connected to the water pump assembly via a sealing thread.

[0070] The working principle and beneficial effects of this embodiment are as follows: By combining the characteristics of the inner connecting ball seat 9, outer connecting ball seat 10, and inner ball seat 12 on the inner wall of the adjusting nozzle, it is convenient to seal the rotation and automatically swing the rinsing angle; the inner threaded pipe 8 and the outer threaded pipe 11 are connected to the liquid inlet 5 and the water pump group through a sealing thread to realize the automatic addition of liquid to the connecting pipe; the sealing switch of the spray pattern of the added nozzle is realized by the switching driver 13; and the inner ball seat 12 is driven by the swing driver 14 to realize the automatic up and down swing of the spray, thereby improving the cleaning efficiency. Specific implementation method seven:

[0072] like Figure 4 As shown in Figure 12, the ultrasonic cleaning method for sample needles based on an ultrasonic cleaning device includes a side slot 15 on the side end of the inner connecting ball seat 9, an inner longitudinal sealing groove 16 on the inner wall of the inner connecting ball seat 9, a through hole 17 in the center of the inner connecting ball seat 9, and an outer connecting ball seat 10 fixed to the inner end of the inner connecting ball seat 9. The structure and connection method of the outer connecting ball seat 10 are the same as those of the inner connecting ball seat 9.

[0073] The outer end of the inner ball seat 12 is fixed with an inner sealing arc-shaped slider 18. The inner ball seat 12 slides longitudinally in the inner longitudinal sealing groove 16 through the inner sealing arc-shaped slider 18. The inner wall of the inner ball seat 12 is provided with an inner arc-shaped switching groove 19. The two inner ball seats 12 are fixedly connected.

[0074] The switching driver 13 includes a switching drive servo motor 20, a gear swing seat 21, a fixed rotating shaft 22, an arc-shaped sealing slide 23, an atomizing nozzle 24, a DC nozzle 25, and a wide-flow nozzle 26. The switching drive servo motor 20 is fixed to the side ends of the two inner ball seats 12 by a motor mount. The switching drive servo motor 20 drives the gear swing seat 21 through gear meshing. One end of the gear swing seat 21 rotates on the fixed rotating shaft 22, which is fixed between the two inner ball seats 12. The other end of the swing seat 21 is fixed to the arc-shaped sealing slide 23. The two ends of the arc-shaped sealing slide 23 are respectively sealed and slid in the inner arc-shaped switching grooves 19 of the two inner ball seats 12. The atomizing nozzle 24, the DC nozzle 25, and the wide-flow nozzle 26 are uniformly fixed in the arc-shaped sealing slide 23 to connect the two inner ball seats 12.

[0075] The adjustable swing driver 14 includes a swing drive servo motor 27, a swing drive rod 28, and a swing connecting shaft 29. The swing drive servo motor 27 is fixed to the side end of the external threaded tube 11 through a motor mount. The drive shaft of the swing drive servo motor 27 is fixed to one end of the swing drive rod 28, and the other end of the swing drive rod 28 is fixed to the swing connecting shaft 29. The swing connecting shaft 29 is fixed to the side end of the inner ball seat 12 of the outer connecting ball seat 10, and the swing connecting shaft 29 slides inside the outer connecting ball seat 10.

[0076] The working principle and beneficial effects of this embodiment are as follows: The two inner ball seats 12 utilize the spherical structure characteristics within the inner connecting ball seat 9 and the outer connecting ball seat 10, and the inner ball seat 12 slides longitudinally within the inner longitudinal sealing groove 16 via the inner sealing arc-shaped slider 18, facilitating longitudinal sealing sliding. Simultaneously, the sealing sliding does not affect the sealing and addition of liquid to the water pump unit. The servo motor 20 drives the gear swing seat 21 through gear meshing, causing the gear swing seat 21 to rotate on the fixed rotating shaft 22. This causes the arc-shaped sealing slide 23 to slide between the two inner ball seats 12, carrying the atomizing nozzle 24, the direct current nozzle 25, and the wide-flow nozzle 26. The atomizing nozzle 24, the direct current nozzle 25, and the wide-flow nozzle 26 are all existing nozzle types. The product allows for switching between different nozzle types by connecting the atomizing nozzle 24, the direct current nozzle 25, and the wide-flow nozzle 26 to the central spray pipe. Depending on the type of impurity being removed, different atomizing nozzles 24, direct current nozzle 25, and wide-flow nozzle 26 can be selected. The atomizing nozzle 24 increases the cleaning range, the direct current nozzle 25 facilitates focused cleaning, and the wide-flow nozzle 26 increases the spray width. The reciprocating drive of the swing drive servo motor 27 on the swing driver 14 drives the inner ball seat 12 of the outer connecting ball seat 10 to swing via the swing drive rod 28 and the swing connecting shaft 29, thereby achieving the longitudinal reciprocating swing of the overall adjustable nozzle and automatic up-and-down reciprocating spraying, corresponding to the selected swing combination cleaning mode.

[0077] The above description is not intended to limit the present invention, nor is the present invention limited to the examples given above. Any changes, modifications, additions, or substitutions made by those skilled in the art within the scope of the present invention are also within the protection scope of the present invention.

Claims

1. An ultrasonic cleaning device for sample needles, characterized in that: The system includes a cleaning tank assembly (1), on which a piezoelectric ceramic component (2) is fixed. A pin insertion port (6) is fixed and connected to the upper end of the cleaning tank assembly (1). An inlet (5) and an outlet (3) are fixed and connected to the upper and lower ends of the cleaning tank assembly (1), respectively. The piezoelectric ceramic component (2) is connected to an ultrasonic generator via a cable connection line. A sample needle (7) is inserted into the pin insertion port (6). The liquid inlet (5) is connected to the adjusting nozzle through a sealing thread, and the adjusting nozzle is connected to the water suction pump group; the liquid outlet (3) is connected to the electric control valve through a sealing thread, and the electric control valve is connected to the drain pump group; a water level detection sensor is installed inside the cleaning tank assembly (1); a heater is fixed and connected to the water suction pump group; The adjusting nozzle includes an internal threaded tube (8), an internal connecting ball seat (9), an external connecting ball seat (10), an external threaded tube (11), an internal ball seat (12), a switching driver (13), and an adjusting swing driver (14). The internal threaded tube (8) is connected to the inlet (5) by a sealing thread. The internal threaded tube (8) is fixed and connected to the internal connecting ball seat (9), the external connecting ball seat (10), and the external threaded tube (11) in sequence from the inside to the outside. The two internal ball seats (9) and the external connecting ball seat (10) are respectively sealed and slidably connected to two internal ball seats (12). The switching driver (13) is sealed and slidably connected between the two internal ball seats (12). The adjusting swing driver (14) is fixed to the internal ball seat (12) in the external connecting ball seat (10). The adjusting swing driver (14) is fixed to the external threaded tube (11). The external threaded tube (11) is sealed and threadedly connected to the water pump group. The inner connecting ball seat (9) has a side slot (15) at its side end, an inner longitudinal sealing groove (16) on its inner wall, a through hole (17) in the center of its center, and an outer connecting ball seat (10) fixed to the inner end of its inner connecting ball seat (9). The structure and connection method of the outer connecting ball seat (10) are the same as those of the inner connecting ball seat (9). The inner ball seat (12) is fixed with an inner sealing arc-shaped slider (18) at its outer end. The inner ball seat (12) slides longitudinally in the inner longitudinal sealing groove (16) through the inner sealing arc-shaped slider (18). The inner wall of the inner ball seat (12) is provided with an inner arc-shaped switching groove (19). The two inner ball seats (12) are fixedly connected. The switching driver (13) includes a switching drive servo motor (20), a gear swing seat (21), a fixed rotating shaft (22), an arc-shaped sealed slide (23), an atomizing nozzle (24), a DC nozzle (25), and a wide-flow nozzle (26). The switching drive servo motor (20) is fixed to the side ends of two inner ball seats (12) by a motor mount. The switching drive servo motor (20) drives the gear swing seat (21) through gear meshing, and one end of the gear swing seat (21) rotates. On the fixed rotating shaft (22), the fixed rotating shaft (22) is fixed between two inner ball seats (12), and the other end of the gear swing seat (21) is fixed with an arc-shaped sealing slide (23). The two ends of the arc-shaped sealing slide (23) are respectively sealed and slid in the inner arc-shaped switching slide groove (19) of the two inner ball seats (12). The arc-shaped sealing slide (23) is uniformly fixed with an atomizing nozzle (24), a direct current nozzle (25) and a wide flow nozzle (26) to connect the two inner ball seats (12). The adjustable swing driver (14) includes a swing drive servo motor (27), a swing drive rod (28), and a swing connecting shaft (29). The swing drive servo motor (27) is fixed to the side end of the external threaded tube (11) by a motor seat. The drive shaft of the swing drive servo motor (27) is fixed to one end of the swing drive rod (28). The other end of the swing drive rod (28) is fixed to the swing connecting shaft (29). The swing connecting shaft (29) is fixed to the side end of the inner ball seat (12) of the outer connecting ball seat (10). The swing connecting shaft (29) slides inside the outer connecting ball seat (10). After the liquid level is determined by storing liquid in the ultrasonic cleaning device, ultrasonic cleaning is performed by ultrasonic vibration in a 360° circumferential direction. The liquid level in the ultrasonic cleaning device is stabilized by controlling the circulation of liquid, and combined with vertical flow spray cleaning and 360° circumferential ultrasonic cleaning, a combined cleaning is achieved. The combined cleaning is performed by controlling and adjusting the nozzles on the ultrasonic cleaning device to cooperate with the combined cleaning. Temperature-controlled cleaning is performed by heating the liquid in conjunction with ultrasonic vibration in a 360° circumferential direction.

2. The ultrasonic cleaning device for sample needles according to claim 1, characterized in that: When the liquid level is controlled, if the liquid level does not reach the cleaning height, the drain pump unit will be shut off via an electrically controlled valve. When the liquid level is controlled, once the cleaning height is reached, the liquid flow rate added by the suction pump unit through the adjusting nozzle is the same as the discharge flow rate controlled by the drain pump unit through the electrically controlled valve.

3. The apparatus of claim 2, wherein: Both the suction pump set and the drainage pump set are equipped with flow meters.

4. The apparatus of claim 1, wherein: The heater is equipped with a temperature sensor.

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