An ultrasonic cleaning machine

Abstract

This application discloses an ultrasonic cleaner, which includes an ultrasonic cleaning component, a water collection tank, and a return component. The ultrasonic cleaning component discharges cleaning fluid into the water collection tank; the return component returns the cleaning fluid from the water collection tank to the ultrasonic cleaning component. The ultrasonic cleaning component includes an ultrasonic tank, which comprises a tank body and transducers. The sidewalls of the tank body are layered into N sidewall units, where N is an integer and greater than 1. Multiple transducers are arranged circumferentially on the outer surface of each sidewall unit. The diameter of the sidewall units is larger at the top and smaller at the bottom. The sidewall units of the next layer are inclined relative to the sidewall units of the previous layer, and the included angle between two adjacent layers of sidewall units is A, satisfying: 135° < A < 180°. This allows the ultrasonic waves from the transducers of each layer of sidewall units to converge at the center point of the top of the tank body, enhancing ultrasonic energy, improving cleaning efficiency, and aiding in cleaning the holes of cleavers. This application can be widely applied in the field of cleaver cleaning technology.

Description

Technical Field

[0001] This application relates to the field of blade cleaning technology, and in particular to an ultrasonic cleaning machine. Background Technology

[0002] Ultrasonic cleaning machines clean materials using ultrasonic waves. Due to their cavitation effect, they can quickly remove adhering substances from the surface of objects, making them widely used in the cleaning of components in manufacturing, medical, and service industries. During the production and processing of cleavers, the cleavers and related equipment parts inevitably become contaminated with grinding paste, chips, and other impurities, which are difficult to remove using conventional cleaning methods. Ultrasonic cleaning machines are commonly used in production to clean the cleavers and achieve the desired cleanliness.

[0003] However, commonly used ultrasonic cleaning machines on the market currently have the following problems: 1. The cleaver holes are very small, and ordinary cleaning machines have low cleaning power, resulting in incomplete cleaning of impurities inside the holes during batch cleaning. 2. The single vibration frequency makes it difficult to clean various mixed deposits. 3. During large-scale cleaning, the cleaning fluid contains impurities and is turbid, which can easily cause secondary contamination to the cleaver and related equipment parts. These problems will affect the processing and use of the cleaver in subsequent processes. Summary of the Invention

[0004] To solve at least one of the above-mentioned technical problems, this application provides an ultrasonic cleaning machine, and the technical solution adopted is as follows.

[0005] The ultrasonic cleaning machine provided in this application includes an ultrasonic cleaning assembly, a water collection tank, and a return assembly. The ultrasonic cleaning assembly discharges cleaning fluid into the water collection tank; the return assembly returns the cleaning fluid from the water collection tank to the ultrasonic cleaning assembly. The ultrasonic cleaning assembly includes an ultrasonic tank, which comprises a tank body and transducers. The sidewalls of the tank body are layered into N sidewall units, where N is an integer and greater than 1. Multiple transducers are arranged circumferentially on the outer surface of each sidewall unit. The diameter of each sidewall unit is larger at the top and smaller at the bottom. The sidewall units of the next layer are inclined relative to the sidewall units of the previous layer, and the included angle between two adjacent layers of sidewall units is A, satisfying: 135° < A < 180°.

[0006] In some embodiments of this application, the distance between the upper and lower ends of the sidewall unit is taken as the width L. From top to bottom, the width of the sidewall unit from the first layer to the (N-1)th layer is L1, and the width of the sidewall unit in the Nth layer is L2, satisfying: L1 < L2 < 2 * L1.

[0007] In some embodiments of this application, the distance between the upper and lower ends of the sidewall unit is taken as the width L, and the diameter of the transducer is taken as D, satisfying: L≥1.5*D.

[0008] In some embodiments of this application, on the sidewall of the barrel body, the first layer of sidewall units at the top and the Nth layer of sidewall units at the bottom are perpendicular to each other.

[0009] In some embodiments of this application, the frequencies of adjacent transducers on the outer side wall of the barrel body are different from top to bottom.

[0010] In some embodiments of this application, on the outer sidewall of the barrel body, two adjacent transducers on the same layer of the sidewall unit have different frequencies.

[0011] In some embodiments of this application, on the outer side wall of the barrel body, the included angle between the transducers of the same frequency in each transducer of the same layer of the side wall unit does not exceed 20°.

[0012] In some embodiments of this application, the water collection tank includes a first filter structure, which is disposed at the inlet of the water collection tank, and the cleaning fluid discharged by the ultrasonic cleaning assembly enters the water collection tank after passing through the first filter structure.

[0013] In some embodiments of this application, the water collection tank includes a first tank and a second tank, the first filter structure is disposed in the first tank, the first tank is connected to the second tank, the second tank is provided with a second filter structure, and the inlet of the return pipe is located in the second tank.

[0014] In some embodiments of this application, the reflux assembly includes a spray assembly and a reflux pipe, the spray assembly is hinged to the reflux pipe, the spray assembly includes a circular water outlet chamber, and the bottom of the water outlet chamber is provided with a plurality of water outlet holes.

[0015] This application has at least the following beneficial effects: During operation, the ultrasonic cleaning unit cleans the cleaver using ultrasonic waves. The cleaning fluid in the ultrasonic tank is discharged into a collection tank, and the return component returns the cleaning fluid from the collection tank back into the ultrasonic tank. The side walls of the ultrasonic tank gradually slope, forming a shape that is wider at the top and narrower at the bottom. Adjacent side wall units are designed with an included angle A, allowing the ultrasonic waves from the transducers of each side wall unit to converge at the center point at the top of the tank, enhancing ultrasonic energy, improving cleaning efficiency, and aiding in cleaning the holes in the cleaver. This application can be widely applied in the field of cleaver cleaning technology.

[0016] Additional aspects and advantages of this application will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of this application. Attached Figure Description

[0017] The present application will be further illustrated below with reference to the accompanying drawings and embodiments. It should be noted that the embodiments illustrated in the following drawings are exemplary and are only used to explain the present application, and should not be construed as limiting the present application.

[0018] Figure 1 This is a structural diagram of the ultrasonic cleaning assembly, water collection tank, and reflux assembly.

[0019] Figure 2 This is a structural diagram of the ultrasonic cleaning assembly.

[0020] Figure 3 This is a cross-sectional view of the ultrasonic tank.

[0021] Figure 4 This is a cross-sectional view of the ultrasonic tank.

[0022] Figure 5 This is a structural diagram of the water collection tank.

[0023] Figure 6 This is a cross-sectional view of the water collection tank.

[0024] Figure 7 This is a structural diagram of the reflow assembly.

[0025] Reference numerals: Ultrasonic cleaning assembly 1000; Barrel body 1100; Side wall unit 1101; Transducer 1200; Cylindrical barrel 1300; Overflow pipe 1401; Water collection tank 2000; First filter structure 2101; Second filter structure 2102; First housing 2201; Second housing 2202; Partition 2300; Return assembly 3000; Return pipe 3100; Water outlet chamber 3201; Connecting pipe 3202. Detailed Implementation

[0026] The following is combined Figures 1 to 7 The embodiments of this application are described in detail below, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain this application, and should not be construed as limiting this application.

[0027] In the description of this application, it should be understood that the terms "center", "middle", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", etc., indicating the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, 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.

[0028] In the description of this application, "several" means one or more, "multiple" means two or more, "greater than," "less than," and "exceeding" are understood to exclude the stated number, while "above," "below," and "within" are understood to include the stated number. The use of "first" and "second" in the description is merely for distinguishing technical features and should not be construed as indicating or implying relative importance, or implicitly indicating the number of indicated technical features, or implicitly indicating the order of the indicated technical features.

[0029] In the description of this application, unless otherwise expressly specified and limited, the terms "set up," "install," "connect," and "link" 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 of two components. Those skilled in the art can understand the specific meaning of the above terms in this application based on the specific circumstances.

[0030] In the description of this application, the use of terms such as "one embodiment," "some embodiments," "an example," "some instances," "some embodiments," "illustrative embodiment," "example," "specific example," and "some examples" indicates that the specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of this application. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0031] This application relates to an ultrasonic cleaner, which includes an ultrasonic cleaning assembly 1000 containing a cleaning fluid and cleaning materials using ultrasonic waves.

[0032] The ultrasonic cleaning assembly 1000 includes an ultrasonic tank, which comprises a tank body 1100 and transducers 1200. The bottom of the tank body 1100 is capable of drainage. Multiple transducers 1200 are disposed on the outer side wall of the tank body 1100. The side wall of the tank body 1100 is circular, and its diameter gradually decreases from top to bottom. The side wall of the tank body 1100 is wider at the top and narrower at the bottom, forming a shape that is open at the top and gradually tapers at the bottom.

[0033] Furthermore, the sidewall of the barrel body 1100 is divided into N sidewall units 1101, where N is an integer and greater than 1. There is an included angle between two adjacent sidewall units 1101, the diameter of the sidewall unit 1101 is larger at the top and smaller at the bottom, and the sidewall unit 1101 of the next layer is inclined relative to the sidewall unit 1101 of the previous layer.

[0034] Specifically, from top to bottom, the sidewall units 1101 gradually incline towards the central axis of the barrel body 1100, thereby forming a cylindrical sidewall with a gradually decreasing diameter. It can be understood that multiple transducers 1200 are arranged on the outer surface of the sidewall units 1101, and the transducers 1200 are arranged circumferentially.

[0035] The included angle between two adjacent sidewall units 1101 is A, satisfying 135° < A < 180°. The centerlines of the transducers 1200 of each sidewall unit 1101 converge at the center point of the top of the barrel body 1100, so that the ultrasonic waves from each transducer 1200 can be concentrated at the center point of the top of the barrel body 1100, thereby concentrating the energy of the ultrasonic waves. The barrel body 1100 generates denser micro-vacuum bubbles in the center point region than ordinary ultrasonic cleaners. The instantaneous shock waves and instantaneous high pressure generated when the bubbles burst clean the material surface, thereby improving cleaning efficiency.

[0036] It should be noted that, in order to ensure that the ultrasonic waves from the transducers 1200 of each layer of sidewall units 1101 can converge at the center point of the top of the barrel body 1100, the included angle A between adjacent layers of sidewall units 1101 can be the same or different. It is understandable that the barrel body 1100 is designed with a gradually decreasing diameter to ensure that the ultrasonic waves from the transducers 1200 of each layer can converge at the center point.

[0037] On the other hand, the range of the included angle A can control the size of the ultrasonic tank. If A is less than 135°, the size of the ultrasonic tank will be too small to meet the usage requirements.

[0038] In some embodiments, on the sidewall of the barrel body 1100, the first layer sidewall unit 1101 at the top and the Nth layer sidewall unit 1101 at the bottom are perpendicular to each other.

[0039] As the second to N-1th layer side wall units 1101 in the middle tilt layer by layer, the side wall of the barrel body 1100 gradually changes from the vertical wall of the first layer side wall unit 1101 to the horizontal wall of the Nth layer side wall unit 1101.

[0040] The sidewalls of the barrel body are made perpendicular to each other by gradually changing the tilt angle. This has at least the following advantages: it ensures that the ultrasonic waves of the transducers on each sidewall unit 1101 are concentrated at the top center point, thereby enhancing the ultrasonic energy; it ensures that dirt is collected at the bottom of the ultrasonic barrel; and it facilitates water control and structural manufacturing.

[0041] Understandably, if it can be ensured that the ultrasonic energy is focused at one point and that dirt is collected at the bottom and discharged, the first layer sidewall unit 1101 and the Nth layer sidewall unit 1101 can also be set to be non-perpendicular, but rather at an angle. The angle B between the first layer sidewall unit 1101 and the Nth layer sidewall unit 1101 ranges from 90° to 180°.

[0042] In some examples, the cross-section of the sidewall unit 1101 is a straight profile, and the inclined sidewall unit 1101 in the barrel body 1100 is formed as a tapered sidewall. In this case, the cone angle of the tapered sidewall of the sidewall unit 1101 in the next layer is smaller than the cone angle of the tapered sidewall of the sidewall unit 1101 in the previous layer.

[0043] It should be noted that when the first layer sidewall unit 1101 is a vertical wall and the Nth layer sidewall unit 1101 is a horizontal wall, the middle second to N-1 layer sidewall units 1101 are formed as conical sidewalls.

[0044] In some examples, the cross-section of the sidewall unit 1101 is an arc-shaped profile, and the sidewall unit 1101 of the barrel body 1100 is formed as a C-shaped wall.

[0045] In this case, the top of the wall surface of the first layer sidewall unit 1101 has a vertical tangent. From top to bottom, the tangent at the top of the wall surface of each layer sidewall unit 1101 gradually slopes, thus forming a barrel body 1100 that is larger at the top and smaller at the bottom. It should be noted that the included angle between the tangents of two adjacent layers of sidewall units 1101 is regarded as the included angle A between the two adjacent layers of sidewall units 1101.

[0046] In some examples, the sidewalls of the barrel body 1100 are spherical. Further, the barrel body 1100 is configured as a hemispherical shape.

[0047] It should be noted that the first layer sidewall unit 1101 in the barrel body 1100 can also be designed as an inclined wall instead of a vertical wall. Furthermore, the Nth layer sidewall unit 1101 in the barrel body 1100 can also be designed as an inclined wall instead of a horizontal wall.

[0048] In some implementations, the distance between the top and bottom ends of the sidewall unit 1101 is taken as the width L. From top to bottom, the width of the sidewall units 1101 from the first layer to the (N-1)th layer is L1, and the width of the sidewall unit 1101 of the Nth layer is L2. The following condition is satisfied: L1 < L2 < 2 * L1.

[0049] If L2 is too large, it will cause a significant shift in the center point of the ultrasonic wave. On the other hand, an excessively large L2 will also cause the energy range of the transducer's emitted sound waves to exceed the range. If L2 is too small, the transducer will interfere with the drainage at the bottom of the tank body 1100, and an excessively small L2 will also prevent the transducer from being installed.

[0050] It is understandable that, in order to ensure that the ultrasonic waves of the transducers 1200 in each layer can be concentrated at the center point, the width L1 of the side wall units 1101 from the first layer to the (N-1)th layer can be the same or different.

[0051] In some implementations, the diameter of the transducer 1200 is D, which satisfies: L≥1.5*D.

[0052] Specifically, if L1 ≥ 1.5 * D, then correspondingly, L2 ≥ 1.5 * D. This avoids interference between transducers installed on adjacent sidewall units. On the other hand, if L is too small, the cleaning tank will be too small, which is not conducive to product placement.

[0053] In some implementations, adjacent transducers 1200 have different frequencies along the outer wall of the barrel body 1100 from top to bottom. Arranging transducers with staggered frequencies allows transducers of different frequencies to clean different types of dirt, avoiding energy waste and frequency overlap.

[0054] It should be noted that if adjacent transducers operate at the same frequency, their cleaning effects will overlap, resulting in energy waste. Furthermore, the superposition of energy from transducers at the same frequency can lead to excessive ultrasonic energy, potentially damaging the product. However, operating only one of the two adjacent transducers would result in wasted space.

[0055] In some embodiments, on the outer wall of the barrel body 1100, two adjacent transducers 1200 on the same layer of sidewall unit 1101 have different frequencies. Arranging transducers with staggered frequencies allows transducers of different frequencies to clean different types of dirt, avoiding energy waste and frequency superposition.

[0056] In some embodiments, among the transducers 1200 of the first layer sidewall unit 1101, the included angle between the distribution intervals of transducers 1200 of the same frequency does not exceed 20°.

[0057] It is understandable that the ultrasonic energy radiation range of transducer 1200 is 22.5° from the center of the transducer outwards. Therefore, if the angle between the distribution intervals of transducers 1200 of the same frequency is greater than 20°, it is very likely to cause the ultrasonic energy to weaken and reduce the cleaning effect.

[0058] In some embodiments, the ultrasonic barrel includes a cylindrical barrel body 1300, which is connected to the top of the barrel body 1100. The cylindrical barrel body 1300 and the barrel body 1100 are arranged along the same central axis, and the diameter of the cylindrical barrel body 1300 is the same as the diameter of the top of the first layer sidewall unit 1101.

[0059] Furthermore, an observation window is provided on the side wall of the cylindrical barrel 1300 so that the user can observe the internal condition of the ultrasonic barrel. The observation window is made of transparent material.

[0060] In some embodiments, the ultrasonic cleaner includes a water collection tank 2000. After cleaning, the ultrasonic cleaning assembly 1000 discharges cleaning fluid into the water collection tank 2000. A drain pipe is provided at the bottom of the ultrasonic tank body 1100, specifically, the drain pipe is located at the bottom of the tank body 1100 and extends to the water collection tank 2000.

[0061] Understandably, the ultrasonic tank discharges cleaning fluid into the collection tank 2000 via a drain pipe. Furthermore, the drain pipe is equipped with a valve to control the flow of water.

[0062] Furthermore, the water collection tank 2000 has a filtration function to recycle the cleaning fluid, and filtering impurities can also prevent the cleaning fluid from clogging the pipes.

[0063] Specifically, the water collection tank 2000 includes a first filter structure 2101, which is located at the inlet of the water collection tank 2000. The cleaning fluid discharged by the ultrasonic cleaning assembly 1000 enters the water collection tank 2000 after passing through the first filter structure 2101. The cleaning fluid is treated and recycled in the water collection tank 2000 for reuse.

[0064] In some examples, the inlet of the water collection tank 2000 is located at the top, and the first filter structure 2101 is located at the top of the water collection tank 2000. Further, the top of the water collection tank 2000 is open, and the lower end of the drain pipe extends to the top of the water collection tank 2000.

[0065] Specifically, the first filter structure 2101 is configured as a mesh frame, a filter screen, or a sponge.

[0066] In some examples, the first filter structure 2101 forms a mesh frame with multiple long rods, which create spaced intervals. Furthermore, the long rods are arranged in parallel or longitudinally and transversely.

[0067] In some examples, the water collection tank 2000 includes a first tank body 2201, the lower end of a drain pipe extending to the inlet of the first tank body 2201, and a first filter structure 2101 disposed on the first tank body 2201. Specifically, the top of the first tank body 2201 is open, and the first filter structure 2101 is laid flat on the top of the first tank body 2201.

[0068] In some examples, the water collection tank 2000 includes a second tank 2202, the first tank 2201 is connected to the second tank 2202, the treated cleaning fluid in the first tank 2201 flows into the second tank 2202, and the return assembly 3000 delivers the cleaning fluid in the second tank 2202 to the ultrasonic tank.

[0069] Furthermore, a second filter structure 2102 is provided in the second housing 2202, and the inlet of the return pipe 3100 is located in the second housing 2202. The second filter structure 2102 further purifies the cleaning fluid. Specifically, the second filter structure 2102 is configured as a filter screen.

[0070] In some examples, the second chamber 2202 is arranged side by side with the first chamber 2201. The cleaning solution is filtered in the first chamber 2201 and allowed to settle before entering the second chamber 2202.

[0071] Specifically, a partition 2300 is provided in the water collection tank 2000. The partition 2300 is vertically arranged and divides the chamber of the water collection tank 2000 into a first chamber 2201 and a second chamber 2202 arranged side by side. The cleaning fluid in the first chamber 2201 overflows from the top of the partition 2300 to the second chamber 2202. Further, a second filter structure 2102 is vertically arranged in the second chamber 2202, thereby dividing the chamber of the second chamber 2202 into two parts to filter the cleaning fluid entering the second chamber 2202.

[0072] Regarding the arrangement of the second filter structure 2102 and the partition 2300, at least one alternative design is that in the water collection tank 2000, the second tank 2202 is separated from the first tank 2201 by the second filter structure 2102.

[0073] Regarding the arrangement of the first housing 2201 and the second housing 2202, at least one alternative design is as follows: the first housing 2201 and the second housing 2202 are arranged in layers, the first housing 2201 is located on the upper side of the second housing 2202, and the second filter structure 2102 is laid flat and located between the second housing 2202 and the first housing 2201.

[0074] In some embodiments, the ultrasonic cleaning assembly 1000 includes an overflow assembly disposed on the side wall of the ultrasonic tank, through which cleaning fluid in the ultrasonic tank can overflow to the water collection tank 2000.

[0075] Furthermore, the overflow assembly is disposed on the side wall of the cylindrical barrel 1300. Specifically, the overflow assembly includes an overflow pipe 1401, the upper end of which connects to the interior of the ultrasonic barrel, and the lower end of which extends to the water collection tank 2000. It can be understood that the upper end of the overflow pipe 1401 is disposed on the side wall of the cylindrical barrel 1300.

[0076] In some embodiments, the ultrasonic cleaner includes a reflux assembly 3000 for returning the cleaning fluid in the collection tank 2000 to the ultrasonic cleaning assembly 1000, thereby achieving the recycling of the cleaning fluid.

[0077] Specifically, the reflux assembly 3000 includes a reflux pipe 3100, which extends to the water collection tank 2000. The reflux assembly 3000 refluxes the purified cleaning fluid in the water collection tank 2000 back to the ultrasonic cleaning assembly 1000 through the reflux pipe 3100. Furthermore, the reflux pipe 3100 is arranged vertically, and its lower end extends to the second housing 2202.

[0078] Understandably, the reflux assembly 3000 includes a reflux pump connected to the reflux pipe 3100, which provides power for the reflux of the cleaning fluid.

[0079] In some examples, the reflux assembly 3000 includes a heater connected to the reflux pipe 3100. The heater is used to heat the refluxed cleaning fluid to a set temperature, thereby improving the cleaning fluid's ability to dissolve contaminants.

[0080] Furthermore, the heater is configured as an electric heater.

[0081] In some embodiments, the reflux assembly 3000 includes a spray assembly connected to the reflux pipe 3100. The spray assembly is located on the upper side of the ultrasonic tank, and the cleaning fluid is sprayed back into the ultrasonic tank.

[0082] In this case, the sprayed cleaning fluid can disrupt the static liquid surface in the ultrasonic tank, causing the nodes and amplitude of the ultrasonic waves to change with the change of the liquid surface. That is, the position of the strongest sound wave changes with the change of the liquid surface, thereby cleaning the material more evenly and avoiding the existence of cleaning dead corners.

[0083] In some examples, the spray assembly includes a water outlet chamber 3201, which is connected to a return pipe 3100, and the bottom of the water outlet chamber 3201 is provided with multiple water outlet holes.

[0084] Furthermore, the water outlet chamber 3201 is circular, and the diameter of the water outlet chamber 3201 is the same as the diameter of the opening at the top of the ultrasonic tank, or the diameter of the water outlet chamber 3201 is slightly smaller than the diameter of the opening at the top of the ultrasonic tank, so that the water outlet chamber 3201 can cover the inlet of the ultrasonic tank and avoid water splashing.

[0085] In some examples, the water outlet chamber 3201 is configured as a lotus-shaped shower head.

[0086] In some examples, the spray assembly is hinged to the return pipe 3100 to allow the outlet chamber 3201 to be moved away from the upper side of the ultrasonic tank, facilitating the user to add materials to the ultrasonic tank. Specifically, the spray assembly includes a connecting pipe 3202, one end of which communicates with the outlet chamber 3201, and the other end of which is hinged to the return pipe 3100.

[0087] In some embodiments, the ultrasonic cleaner includes a third filtration structure through which the cleaning fluid from the reflux assembly 3000 enters the ultrasonic cleaning assembly 1000.

[0088] Specifically, the third filtration structure is located between the ultrasonic tank and the spray assembly. Alternatively, the third filtration structure is located within the cylindrical tank 1300.

[0089] In some examples, the third filter structure is set as a screen.

[0090] In some embodiments, the ultrasonic cleaner includes a housing, with both the ultrasonic cleaning assembly 1000 and the reflux assembly 3000 housed within the housing. Further, a water collection tank 2000 is also housed within the housing.

[0091] The inner wall of the enclosure is equipped with a sound-insulating structure to reduce the noise of the ultrasonic cleaner. Specifically, the sound-insulating structure is made of sound-absorbing cotton.

[0092] It should be noted that ultrasonic cleaners have at least the following operating modes:

[0093] In the first scenario, the cleaning fluid inside the ultrasonic cleaner is in a state of continuous flow during the cleaning process. Water enters from the top of the ultrasonic cleaner and exits from the bottom to ensure that the cleaning fluid remains clean at all times. In this case, the ultrasonic cleaner may or may not be equipped with a water collection tank and a reflux assembly.

[0094] The second method involves the cleaning fluid in the ultrasonic tank circulating during the cleaning process. The cleaning fluid in the ultrasonic tank is discharged from the bottom to the water collection tank, and the return component returns the cleaning fluid from the water collection tank back to the ultrasonic tank. Cleaning and circulation are carried out simultaneously.

[0095] The third method involves draining the cleaning fluid from the ultrasonic cleaner into a collection tank after cleaning. In this case, the ultrasonic cleaner may or may not be equipped with a reflux assembly.

[0096] Fourthly, after cleaning, the cleaning fluid in the ultrasonic tank is discharged into the water collection tank, and the reflux component returns the cleaning fluid in the water collection tank back to the ultrasonic tank.

[0097] The embodiments of this application have been described in detail above with reference to the accompanying drawings. However, this application is not limited to the above embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the spirit of this application. Furthermore, unless otherwise specified, the embodiments and features in the embodiments of this application can be combined with each other.

Claims

1. An ultrasonic cleaning machine characterized by: include Ultrasonic cleaning components; Water collection tank, the ultrasonic cleaning component discharges cleaning fluid into the water collection tank; A reflux assembly that returns the cleaning fluid in the water collection tank to the ultrasonic cleaning assembly; The ultrasonic cleaning assembly includes an ultrasonic tank, which comprises a tank body and transducers. The sidewalls of the tank body are divided into N sidewall units, where N is an integer and greater than 1. Multiple transducers are arranged circumferentially on the outer surface of each sidewall unit. The diameter of each sidewall unit is larger at the top and smaller at the bottom. The sidewall units of the next layer are inclined relative to the sidewall units of the previous layer. The included angle between two adjacent layers of sidewall units is A, satisfying: 135° < A < 180°. On the side wall of the barrel body, the first layer of side wall units at the top and the Nth layer of side wall units at the bottom are perpendicular to each other; On the outer side wall of the barrel body, from top to bottom, adjacent transducers have different frequencies; On the outer side wall of the barrel body, two adjacent transducers on the same layer of the side wall unit have different frequencies.

2. The ultrasonic cleaning machine of claim 1, wherein: With the distance between the top and bottom ends of the sidewall unit as the width L, from top to bottom, the width of the sidewall unit from the first layer to the (N-1)th layer is L1, and the width of the sidewall unit in the Nth layer is L2, satisfying: L1 < L2 < 2 * L1.

3. The ultrasonic cleaner according to claim 1 or 2, characterized in that: The width L is defined as the distance between the upper and lower ends of the sidewall unit, and the diameter D of the transducer is defined as follows: L≥1.5*D.

4. The ultrasonic cleaner according to claim 1, characterized in that: On the outer side wall of the barrel body, among the transducers of the same frequency in the same layer of the side wall unit, the included angle between the distribution intervals of the transducers does not exceed 20°.

5. The ultrasonic cleaner according to claim 1, characterized in that: The water collection tank includes a first filter structure, which is located at the inlet of the water collection tank. The cleaning fluid discharged by the ultrasonic cleaning assembly enters the water collection tank after passing through the first filter structure.

6. The ultrasonic cleaner according to claim 5, characterized in that: The water collection tank includes a first tank and a second tank. The first filter structure is disposed in the first tank. The first tank and the second tank are connected. The second tank is provided with a second filter structure.

7. The ultrasonic cleaner according to claim 1, 5, or 6, characterized in that: The reflux assembly includes a spray assembly and a reflux pipe. The spray assembly is hinged to the reflux pipe. The spray assembly includes a circular water outlet chamber, and the bottom of the water outlet chamber is provided with multiple water outlet holes.

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