Ultrasonic cleaning machine

Abstract

The utility model provides an ultrasonic cleaning machine which comprises an ultrasonic generator, a transducer and an ultrasonic cleaning tank, the ultrasonic generator is arranged outside the ultrasonic cleaning tank and used for converting alternating current into ultrasonic frequency electric oscillation signals and transmitting the ultrasonic frequency electric oscillation signals to the transducer through a cable, and the transducer is arranged below the ultrasonic cleaning tank and used for transmitting the ultrasonic frequency electric oscillation signals to the ultrasonic cleaning tank. The ultrasonic cleaning tank is used for converting ultrasonic frequency electric energy generated by the ultrasonic generator into vibration mechanical energy, and the ultrasonic cleaning tank is used for containing cleaning liquid and cleaned parts; a hanging basket is arranged in the ultrasonic cleaning tank, a water outlet and a valve are fixedly connected to the bottom end of one side of the ultrasonic cleaning tank, the water outlet is connected with a filtering system, a spraying device is further arranged above one side of the ultrasonic cleaning tank, and the ultrasonic cleaning device further comprises a control system and a control panel which are arranged outside the ultrasonic cleaning tank. The device is labor-saving, time-saving, low in pollution and high in automation degree.

Description

Technical Field

[0001] The utility model belongs to the technical field of automatic cleaning, in particular to an ultrasonic cleaning machine. Background Art

[0002] At the end of the repair process of mechanical equipment such as automobiles, it is often necessary to clean mechanical parts, such as small and medium-sized bearings, gears, etc. However, most of the parts are cleaned by traditional cleaning methods, such as organic solvent cleaning and manual cleaning, with a cleaning efficiency of only 60%-70%. It requires heavy physical labor in a dirty environment and requires a long time of manual cleaning. The labor intensity is high, it is easy to cause damage to the workpiece, and the cleaning time is long, causing serious pollution. Summary of the invention

[0003] In view of this, the utility model aims to overcome the shortcomings of the above-mentioned problems in the prior art and proposes an ultrasonic cleaning machine which is automatically controlled, saves labor, time and has less pollution.

[0004] In order to achieve the above object, the technical solution of the utility model is implemented as follows:

[0005] An ultrasonic cleaning machine comprises an ultrasonic generator, a transducer, and an ultrasonic cleaning tank. The ultrasonic generator is arranged outside the ultrasonic cleaning tank and is used to convert alternating current into an ultrasonic frequency electrical oscillation signal and transmit it to the transducer through a cable. The transducer is arranged below the ultrasonic cleaning tank and is used to convert the ultrasonic frequency electrical energy generated by the ultrasonic generator into vibration mechanical energy. The ultrasonic cleaning tank is used to hold cleaning liquid and parts to be cleaned. A hanging basket is arranged in the ultrasonic cleaning tank. A drain port and a valve are fixedly connected to the bottom end of one side of the ultrasonic cleaning tank. The drain port is connected to a filtering system and is used to filter pollutants after cleaning. A spray device is also arranged above one side of the ultrasonic cleaning tank. The ultrasonic cleaning tank also comprises a control system and a control panel arranged outside the ultrasonic cleaning tank. The control system is connected to the control panel. The control system is electrically connected to the spray device and the filtering system. The spray device and the filtering system are controlled to work through the control panel.

[0006] Furthermore, the ultrasonic generator includes an input circuit, a high-frequency transformer, and a matching network connected in sequence. The input protection circuit is also connected to 220V / 50HZ AC power, and the matching network is also connected to the transducer. The 220V / 50HZ AC power is converted into high-frequency AC power through the input circuit, and the high-frequency transformer converts it into the voltage required for work. Finally, it is tuned by the matching network to form the output power and frequency of the ultrasonic transducer.

[0007] Furthermore, the input circuit includes an input protection circuit, a rectifier and filter circuit, and a full-bridge inverter circuit.

[0008] Furthermore, the spraying device includes a plurality of spray nozzles.

[0009] Furthermore, the filtration system includes a pipeline, on which a pump, a filter, a one-way valve, and a pressure gauge are sequentially arranged.

[0010] Furthermore, the control system includes a processor, a memory, an AD converter, and a comparator, and the memory, the AD converter, and the comparator are all electrically connected to the processor.

[0011] Furthermore, a heating device is provided inside the ultrasonic cleaning tank, the heating device is electrically connected to the control system, and the heating device includes a temperature sensor and a heater.

[0012] Furthermore, the processor includes a single chip microcomputer.

[0013] Furthermore, a liquid level meter is provided in the ultrasonic cleaning tank, and the liquid level meter is electrically connected to the control system.

[0014] Furthermore, a universal wheel is provided at the bottom of the ultrasonic cleaning tank.

[0015] Compared with the prior art, the ultrasonic cleaning machine described in the utility model has the following advantages:

[0016] The utility model utilizes a spray device to spray and clean the cleaned parts, thereby further washing away the parts;

[0017] The ultrasonic generator of the utility model is mainly composed of power devices such as power switch tubes, diodes, and capacitors, making the entire system reliable;

[0018] The utility model also utilizes a filtering system to filter the pollutants after cleaning, thereby facilitating the cleaning of the cleaning tank;

[0019] The utility model uses a temperature sensor to obtain a temperature signal to control the switch of the heater, so that the water temperature can be kept at a set temperature;

[0020] The utility model also uses a liquid level meter to sense the height of the water level and control the water level within a set range;

[0021] The utility model has high automation degree, less pollution, reduced labor cost, cleans cleanly and has high working efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] The accompanying drawings constituting a part of the present invention are used to provide a further understanding of the present invention. The illustrative embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention. In the accompanying drawings:

[0023] Figure 1This is a structural schematic diagram of an ultrasonic cleaning machine of the utility model;

[0024] Figure 2 This is a circuit block diagram of the ultrasonic generator of the utility model;

[0025] Figure 3 This is a circuit schematic diagram of the ultrasonic generator of the utility model;

[0026] Figure 4 It is the principle diagram of the rectifier circuit of the utility model;

[0027] Figure 5 This is a principle block diagram of the control system of the utility model.

[0028] Description of Reference Numerals

[0029] 1-ultrasonic generator; 2-transducer; 3-ultrasonic cleaning tank; 4-hanging basket; 5-cleaning liquid; 6-parts; 7-drain outlet; 8-valve; 9-pump; 10-filter; 11-check valve; 12-pressure gauge; 13-spraying device; 14-control system; 15-control panel. DETAILED DESCRIPTION

[0030] It should be noted that, in the absence of conflict, the embodiments of the present invention and the features in the embodiments can be combined with each other.

[0031] In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first", "second", etc. are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, features defined as "first", "second", etc. may explicitly or implicitly include one or more of the features. In the description of the present utility model, unless otherwise specified, "multiple" means two or more.

[0032] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood by specific circumstances.

[0033] The present invention will be described in detail below with reference to the accompanying drawings and in combination with embodiments.

[0034] like Figure 1 As shown, the utility model provides an ultrasonic cleaning machine, including an ultrasonic generator 1, a transducer 2, and an ultrasonic cleaning tank 3, wherein the ultrasonic generator 1 is arranged outside the ultrasonic cleaning tank 3, and is used to convert alternating current into an ultrasonic frequency electrical oscillation signal, and transmit it to the transducer 2 through a cable, and the transducer 2 is arranged below the ultrasonic cleaning tank 3, and is used to convert the ultrasonic frequency electrical energy generated by the ultrasonic generator 1 into vibration mechanical energy, and the ultrasonic cleaning tank 3 is used to hold a cleaning liquid 5 and a part to be cleaned 6; a hanging basket 4 is arranged in the ultrasonic cleaning tank 3, and a drain port 7 and a valve 8 are fixedly connected to the bottom end of one side of the ultrasonic cleaning tank 3, and the drain port 7 is connected to a filtering system for filtering pollutants after cleaning, and a spray device 13 is also arranged above one side of the ultrasonic cleaning tank 3, and also includes a control system 14 and a control panel 15 arranged outside the ultrasonic cleaning tank 3, and the control system 14 is connected to the control panel 15, and the control system 14 is electrically connected to the spray device 13 and the filtering system, and the spray device 13 and the filtering system are controlled to work through the control panel 15.

[0035] like Figure 2-3 As shown, the ultrasonic generator 1 of the utility model includes an input circuit, a high-frequency transformer, and a matching network connected in sequence. The input protection circuit is also connected to 220V / 50HZ AC power, and the matching network is also connected to the transducer. The 220V / 50HZ AC power is converted into high-frequency AC power through the input circuit, and the high-frequency transformer converts it into the voltage required for work. Finally, after tuning processing by the matching network, the output power and frequency of the ultrasonic transducer are formed. The input circuit includes an input protection circuit, a rectifier and filter circuit, and a full-bridge inverter circuit. The rectifier and filter circuit is as shown in FIG. Figure 4 As shown, a single-phase full-wave bridge rectifier circuit is used to convert 220V AC power into about 300V DC power for the full-bridge inverter circuit. The input protection circuit is used to achieve short-circuit protection, overvoltage protection, and anti-interference.

[0036] Specifically, the spray device 13 includes a plurality of spray nozzles, and the parts are sprayed with the spray nozzles to better clean the pollutants on the surface of the parts.

[0037] Specifically, the filtration system includes a pipeline, on which a pump 9, a filter 10, a one-way valve 11, and a pressure gauge 12 are sequentially arranged. By turning on the pump 9, the solution at the drain outlet passes through the filter 10 to remove impurities, and then passes through the one-way valve 11. The specific pressure in the pipeline is monitored by the pressure gauge 12.

[0038] like Figure 5 As shown, the control system 14 includes a processor, a memory, an AD converter, and a comparator.

[0039] Specifically, a heating device is further provided inside the ultrasonic cleaning tank 3 , and the heating device is electrically connected to the control system 14 , and the heating device includes a temperature sensor and a heater.

[0040] Specifically, the processor includes a single chip microcomputer.

[0041] Specifically, a liquid level meter is further provided in the ultrasonic cleaning tank 3 , and the liquid level meter is electrically connected to the control system 14 .

[0042] Specifically, a universal wheel is provided at the bottom of the ultrasonic cleaning tank 3, and the movement of the ultrasonic cleaning tank is achieved through the universal wheel.

[0043] When the utility model is working, the parts to be cleaned are put into the hanging basket, and then the ultrasonic cleaning tank is injected with clean water and a cleaning machine, the liquid level data in the cleaning tank is collected by a liquid level meter, and compared with the value set in the comparator in the control system, when the set water level is reached, the water injection is stopped, and the parts to be cleaned are immersed, the heating device is started, and the water temperature is collected by a temperature sensor, and compared with the value set in the comparator in the control system, when the water temperature reaches the set value, the heater stops heating, and the ultrasonic generator is started for cleaning, and the valve is opened after the cleaning is completed, and the sewage is discharged by the filtering system, and then the parts are sprayed and cleaned by the spray device to further wash away the pollutants on the surface of the parts and the cleaning agent adhering thereto.

[0044] All matters not mentioned above are prior art.

[0045] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. An ultrasonic cleaning machine, characterized in that: The ultrasonic cleaning tank (3) comprises an ultrasonic generator (1), a transducer (2), and an ultrasonic cleaning tank (3). The ultrasonic generator (1) is arranged outside the ultrasonic cleaning tank (3) and is used to convert alternating current into an ultrasonic frequency electric oscillation signal and transmit the signal to the transducer (2) via a cable. The transducer (2) is arranged below the ultrasonic cleaning tank (3) and is used to convert the ultrasonic frequency electric energy generated by the ultrasonic generator (1) into vibration mechanical energy. The ultrasonic cleaning tank (3) is used to contain a cleaning liquid (5) and parts to be cleaned (6). A hanging basket (4) is provided in the ultrasonic cleaning tank. A drain port (7) and a valve (8) are fixedly connected to the bottom end of one side of the tank (3); the drain port (7) is connected to a filtering system for filtering pollutants after cleaning; a spray device (13) is also provided above one side of the ultrasonic cleaning tank (3); and the ultrasonic cleaning tank (3) further comprises a control system (14) and a control panel (15) arranged outside the ultrasonic cleaning tank (3); the control system (14) is connected to the control panel (15); the control system (14) is electrically connected to the spray device (13) and the filtering system, and the spray device (13) and the filtering system are controlled to work via the control panel (15).

2. An ultrasonic cleaning machine according to claim 1, characterized in that: The ultrasonic generator (1) comprises an input circuit, a high-frequency transformer, and a matching network connected in sequence. The input circuit is also connected to 220V / 50HZ alternating current, and the matching network is also connected to a transducer. The 220V / 50HZ alternating current is converted into high-frequency alternating current by the input circuit, and the high-frequency transformer converts it into the voltage required for operation. Finally, after being tuned by the matching network, the output power and frequency of the ultrasonic transducer are formed.

3. An ultrasonic cleaning machine according to claim 2, characterized in that: The input circuit includes an input protection circuit, a rectification and filtering circuit, and a full-bridge inverter circuit.

4. An ultrasonic cleaning machine according to claim 1, characterized in that: The spraying device (13) comprises a plurality of spraying nozzles.

5. The ultrasonic cleaning machine according to claim 1, characterized in that: The filtering system comprises a pipeline, on which a pump (9), a filter (10), a one-way valve (11), and a pressure gauge (12) are sequentially arranged.

6. The ultrasonic cleaning machine according to claim 1, characterized in that: The control system (14) comprises a processor, a memory, an AD converter, and a comparator, and the memory, the AD converter, and the comparator are all connected to the processor.

7. The ultrasonic cleaning machine according to claim 1, characterized in that: A heating device is also provided inside the ultrasonic cleaning tank (3), the heating device is electrically connected to the control system (14), and the heating device comprises a temperature sensor and a heater.

8. An ultrasonic cleaning machine according to claim 6, characterized in that: The processor includes a single chip microcomputer.

9. The ultrasonic cleaning machine according to claim 1, characterized in that: A liquid level meter is also provided in the ultrasonic cleaning tank (3), and the liquid level meter is electrically connected to the control system (14).

10. The ultrasonic cleaning machine according to claim 1, characterized in that: The bottom of the ultrasonic cleaning tank (3) is also provided with universal wheels.

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