Ultrasonic cleaning device for printed circuit board

By designing an ultrasonic cleaning device for printed circuit boards, ultrasonic vibration is used to remove impurities from the circuit boards, and the cleaning fluid is recovered through a filtration system. This solves the problem of impurity accumulation in the cleaning fluid and achieves efficient cleaning of the circuit boards and reuse of the cleaning fluid.

CN224101377UActive Publication Date: 2026-04-10JIANGXI ZHENGHONG ELECTRONICS CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-21
Publication Date
2026-04-10

AI Technical Summary

Technical Problem

In the prior art, the cleaning fluid for printed circuit boards accumulates impurities during use, which reduces the cleaning ability, affects the cleanliness and electrical performance of the circuit board, and the cleaning fluid cannot be effectively recycled and reused.

Method used

An ultrasonic cleaning device for printed circuit boards was designed, comprising a housing, a cleaning tank, a storage tank, a filter assembly, and a spraying assembly. It removes impurities through ultrasonic vibration and recovers and reuses the cleaning solution through a filtration system to prevent impurity accumulation.

Benefits of technology

It effectively removes tiny particles from the surface of circuit boards, ensuring cleanliness and electrical performance, while also enabling the recycling of cleaning fluid, reducing waste and costs.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of circuit board cleaning, and particularly discloses a printed circuit board ultrasonic cleaning device which comprises a box body, supporting columns are fixedly connected to the four corners of the bottom of the box body, a cleaning pool is installed in the box body, a plurality of ultrasonic operators are fixedly connected to the bottom of the cleaning pool, and a containing assembly is slidably connected to the interior of the cleaning pool. A liquid storage tank is fixedly connected to the exterior of the box body, a rotating cover is installed on the top of the liquid storage tank, a water pump is fixedly connected to the exterior of the liquid storage tank, a conveying pipe is fixedly connected to the output end of the water pump, a spraying assembly is fixedly connected to the exterior of the conveying pipe, and a collecting assembly is fixedly connected to the interior of the cleaning pool. When the circuit board cleaning device is used, the circuit board is placed in the placing assembly and the cleaning pool, through hanging of the hanging lugs, by means of the ultrasonic wave operation device at the bottom of the cleaning pool and impact force generated by breakage of tiny bubbles generated by high-frequency vibration, tiny particles on the surface and in gaps of the circuit board can be effectively removed, and cleanliness and electrical performance of the circuit board are guaranteed.
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Description

TECHNICAL FIELD

[0001] The utility model relates to circuit board cleaning technical field, concretely is printed circuit board ultrasonic cleaning device. BACKGROUND

[0002] Printed circuit board, simply called printed board, is one of important components of electronic industry, almost every kind of electronic equipment, small to electronic watch, calculator, large to computer, communication electronic equipment, military weapon system, as long as having integrated circuit and other electronic components, in order to make the electrical interconnection between various components, all want to use printed board;

[0003] In prior art, in the manufacturing process of printed circuit board, the surface will be left with various small particles, such as dust, metal chips, cinder etc., these particles can affect the electrical performance of circuit board, and even cause short circuit problem, which needs ultrasonic cleaning to generate countless micro-bubbles in cleaning liquid by high-frequency vibration, and the bubbles can generate strong impact force when breaking, which can effectively remove these small particles from the surface and crevice of circuit board, and ensure the cleanliness of circuit board, but the impurities cleaned at this time remain in cleaning liquid, which can reduce the purity and cleaning ability of cleaning liquid, and with the increase of impurity concentration, the dissolving and cleaning effect of cleaning liquid on residual pollutants on circuit board will be weakened, resulting in that the subsequent cleaned circuit board is not completely cleaned, and the surface can still remain particles and other impurities, which affect the quality of circuit board, therefore, we propose printed circuit board ultrasonic cleaning device. SUMMARY

[0004] The utility model discloses a printed circuit board ultrasonic cleaning device, which solves the problems in the background art.

[0005] To achieve the above object, the utility model provides the following technical scheme: printed circuit board ultrasonic cleaning device, including the box, the bottom four corners of box are all fixedly connected with support column, install the cleaning pool in the box, the bottom of cleaning pool is fixedly connected with a plurality of ultrasonic wave operators, the inside sliding connection of cleaning pool has the placement subassembly, the outside fixed connection of box has the liquid storage tank, the top of liquid storage tank is installed with the rotary lid, the outside fixed connection of liquid storage tank has the water pump, the output of water pump is fixedly connected with the delivery pipe, the outside fixed connection of delivery pipe has the spray subassembly, the inside fixed connection of cleaning pool has the collection subassembly, the outside fixed connection of liquid storage tank has the filter component, the outside fixed connection of filter component has the filter cartridge, the inside sliding connection of filter cartridge has the external ring, install the filter plate in the inside of external ring, the top of external ring is fixedly connected with the installation handle, the inside of filter cartridge is opened and is equipped with the limiting groove, the inside fixed connection of limiting groove has the telescopic link, the outside of telescopic link is equipped with the spring, the outside fixed connection of two telescopic links has the limiting block, the outside of filter cartridge is equipped with the sealing sleeve.

[0006] The two hanging ears are fixedly connected with the pulling handle at the top.

[0007] The spraying assembly is fixedly connected outside the box body, and the spraying assembly is hollow inside.

[0008] The spraying assembly is fixedly connected outside the box body, and the spraying assembly is hollow inside.

[0009] The collecting assembly is internally provided with a collecting groove, the collecting groove is externally fixedly connected with a valve, and the valve is externally fixedly connected with a transmission pipe.

[0010] The spring is fixedly connected to the inside of the filter cartridge on one side, and the other side of the spring is fixedly connected to the outside of the limiting block.

[0011] The sealing sleeve is made of rubber material, and the external ring is slidingly connected inside the limiting groove.

[0012] The utility model at least has following beneficial effects:

[0013] When the circuit board is cleaned, it is placed in the placing assembly and put into the cleaning pool, is hung through the hanging ear, utilizes the ultrasonic wave runner at the bottom of the cleaning pool, and the impact force of the tiny air bubble breakage generated by high frequency vibration can effectively remove the tiny particles on the surface and in the gap of the circuit board, guarantee the cleanliness and electrical performance of the circuit board, reduce the short circuit risk, improve the quality, after cleaning, in order to realize the recycling of cleaning liquid and the impurity cleaning inside the box body, first, the cleaning liquid is added to the liquid storage tank, the valve is opened to make the cleaning liquid with impurities in the cleaning pool enter the filter cartridge through the collecting groove and the transmission pipe, and after being filtered by the filter plate, the cleaning liquid enters the liquid storage tank, and then the water pump is started to flush the impurities inside the box body to the collecting groove through the spraying assembly and is filtered again, so that the cleaning liquid is prevented from reducing the purity and cleaning ability due to impurity accumulation, waste is reduced, cost is reduced, and the subsequent cleaning effect is guaranteed. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a structural schematic diagram of the utility model;

[0015] Figure 2 It is an internal structure schematic diagram of the utility model;

[0016] Figure 3 It is a placing assembly structure schematic diagram of the utility model;

[0017] Figure 4 It is a filter cartridge structure schematic diagram of the utility model;

[0018] Figure 5 It is aFigure 4 Enlarged view of the middle A;

[0019] Figure 6 Schematic diagram of external ring structure of the utility model;

[0020] In the figure: 1, box; 101, support column; 2, cleaning pool; 201, ultrasonic wave operator; 3, placing assembly; 301, ear; 302, pull handle; 4, liquid storage tank; 401, rotating cover; 402, water pump; 403, conveying pipe; 5, spraying assembly; 501, L-shaped pipe one; 502, L-shaped pipe two; 503, L-shaped pipe three; 504, spray head; 6, collecting assembly; 601, collecting groove; 602, valve; 603, transmission pipe; 7, filtering assembly; 701, filter cartridge; 702, external ring; 703, filter plate; 704, mounting handle; 705, telescopic rod; 706, spring; 707, limiting block; 708, sealing sleeve; 709, limiting groove. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0022] Embodiment one

[0023] Please refer to Figures 1 to 6The utility model provides a technical scheme: printed circuit board ultrasonic cleaning device, including box body 1, the bottom four corners of box body 1 are all fixedly connected with support column 101, and the inside installation of box body 1 has the cleaning pool 2, and the bottom fixedly connected with a plurality of ultrasonic wave operators 201 of cleaning pool 2, and the inside slidingly connected of cleaning pool 2 has the placement subassembly 3, and the outside fixedly connected of box body 1 has the liquid storage tank 4, and the top installation of liquid storage tank 4 has rotary cover 401, and the outside fixedly connected of liquid storage tank 4 has water pump 402, and the output fixedly connected of water pump 402 has the conveying pipe 403, and the outside fixedly connected of conveying pipe 403 has the spray subassembly 5, and the inside fixedly connected of cleaning pool 2 has the collection subassembly 6, and the outside fixedly connected of liquid storage tank 4 has the filter element 7, and the outside fixedly connected of filter element 7 has filter cartridge 701, and the inside slidingly connected of filter cartridge 701 has external ring 702, and the inside installation of external ring 702 has filter plate 703, and the top fixedly connected of external ring 702 has installation handle 704, and the inside of filter cartridge 701 is provided with limiting groove 709, and the inside fixedly connected of limiting groove 709 has telescopic rod 705, and the outside of telescopic rod 705 is equipped with spring 706, and one side fixedly connected in filter cartridge 701 of spring 706, and the other side fixedly connected in limiting block 707 outside of spring 706, and the outside fixedly connected of two telescopic rods 705 has limiting block 707, and the outside of filter cartridge 701 is equipped with sealing sleeve 708, and the material of sealing sleeve 708 is rubber material, and the outside slidingly connected in limiting groove 709 of external ring 702;After filter plate 703 is used for a long time, its filtering effect can drop, need to replace, at this moment, sealing sleeve 708 is turned to one side, exposes limiting groove 709, then pushes limiting block 707, makes limiting block 707 overcome the elastic force of spring 706, from inside sliding of installation handle 704, then holds installation handle 704 and pulls, and installation handle 704 drives external ring 702 to slide in limiting groove 709, so that filter plate 703 slides from filter cartridge 701, after taking out old filter plate 703, install new filter plate 703 in external ring 702, then slide external ring 702 into limiting groove 709 of filter cartridge 701, loosen limiting block 707, under the action of spring 706, limiting block 707 is clamped into inside installation handle 704, and the new filter plate 703 is positioned and fixed, and the replacement of filter plate 703 is completed.

[0024] The outside of placement subassembly 3 is fixedly connected with two hanging ears 301, and the top of hanging ear 301 is fixedly connected with pull handle 302;The operator holds pull handle 302, places placement subassembly 3 into cleaning pool 2 through hanging ear 301, and makes hanging ear 301 hang outside box body 1, so that placement subassembly 3 is stably located in cleaning pool 2.

[0025] The L-shaped pipe one 501, the L-shaped pipe two 502 and the L-shaped pipe three 503 are fixedly connected inside the spraying assembly 5, and the spraying assembly 5 is fixedly connected outside the box body 1 and is hollow inside; then the water pump 402 is started, the cleaning liquid inside the liquid storage tank 4 is pumped out, is transported to the spraying assembly 5 through the conveying pipe 403, and the cleaning liquid is sprayed out from the nozzle 504 through the L-shaped pipe one 501, the L-shaped pipe two 502 and the L-shaped pipe three 503 inside the spraying assembly 5.

[0026] The collecting assembly 6 is internally provided with a collecting groove 601, the collecting groove 601 is externally fixedly connected with a valve 602, the valve 602 is externally fixedly connected with a conveying pipe 603; the nozzle 504 sprays, the inside of the box body 1 and the cleaning pool 2 are flushed, impurities on the bottom side inside the cleaning pool 2 are flushed into the inside of the collecting groove 601, the cleaning liquid and the impurities in the collecting groove 601 are transported into the filter cartridge 701 through the conveying pipe 603 again, after being filtered through the filter plate 703, the clean cleaning liquid enters the liquid storage tank 4 again, so that the recycling of the cleaning liquid and the cleaning of the impurities are realized.

[0027] The working principle of the utility model is as follows: when it is needed to clean the circuit board, first, the cleaning liquid is poured into the cleaning pool 2, then the circuit board to be cleaned is placed in the inside of the placing assembly 3, then the placing assembly 3 is placed into the inside of the cleaning pool 2 by holding the hanging ear 301 and cooperating with the placing assembly 3, then the placing assembly 3 is hung outside the box body 1 through the hanging ear 301, at this time, the ultrasonic wave operator 201 at the bottom of the cleaning pool 2 is started, the circuit board can be cleaned, then after cleaning, the placing assembly 3 and the circuit board can be taken out.

[0028] Then in order to clean the impurities inside the box body 1 and recycle the cleaning liquid, at this time, only the rotating cover 401 is opened to add a little cleaning liquid into the inside of the liquid storage tank 4, the valve 602 is opened, the cleaning liquid inside the cleaning pool 2 is transported into the inside of the filter cartridge 701 through the collecting groove 601, the valve 602 and the conveying pipe 603, then the cleaning liquid with impurities is filtered through the filter plate 703, is transported into the inside of the liquid storage tank 4, then the water pump 402 is started, the water pump 402 pumps out the cleaning liquid inside the liquid storage tank 4 and transports it through the conveying pipe 403 and the spraying assembly 5, then the spraying assembly 5 sprays through the L-shaped pipe one 501, the L-shaped pipe two 502 and the L-shaped pipe three 503 and the nozzle 504, so that the impurities on the bottom side inside the cleaning pool 2 are flushed into the inside of the collecting groove 601, finally, the impurities are filtered through the filter plate 703, so that the resources are reused.

[0029] Embodiment two

[0030] Please refer to Figures 4 to 5 In the second embodiment, other structures are unchanged, and different from the first embodiment is that when the filter plate 703 needs to be replaced after long time use, only need to turn the sealing sleeve 708 to one side, then make the limiting groove 709 exposed, at this time push the limiting block 707, make the limiting block 707 slide out from the inside of the installation handle 704, then hold the limiting block 707 to pull, make the installation handle 704 cooperate with the external ring 702 to drive the filter plate 703 to slide out, then the filter plate 703 can be replaced.

[0031] It should be noted that in this document, the terms such as first and second are used only to distinguish one entity or operation from another, and do not necessarily require or imply that there is any such actual relationship or order between these entities or operations. Moreover, the terms "include", "contain" or any other variants thereof are intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or equipment.

[0032] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. An ultrasonic cleaning device for printed circuit boards, comprising a housing (1), characterized in that: The box (1) bottom four corners are fixedly connected with support columns (101), the box (1) is internally installed with a cleaning pool (2), the cleaning pool (2) bottom is fixedly connected with a plurality of ultrasonic wave operators (201), the cleaning pool (2) is internally slidably connected with a placing assembly (3), the box (1) is externally fixedly connected with a liquid storage tank (4), the liquid storage tank (4) top is installed with a rotating cover (401), the liquid storage tank (4) is externally fixedly connected with a water pump (402), the water pump (402) output end is fixedly connected with a conveying pipe (403), the conveying pipe (403) is externally fixedly connected with a spraying assembly (5), the cleaning pool (2) is internally fixedly connected with a collecting assembly (6), the liquid storage tank (4) is externally fixedly connected with a filtering assembly (7), the filtering assembly (7) is externally fixedly connected with a filter cartridge (701), the filter cartridge (701) is internally slidably connected with an external ring (702), the external ring (702) is internally installed with a filter plate (703), the external ring (702) top is fixedly connected with a mounting handle (704), the filter cartridge (701) is internally provided with a limiting groove (709), the limiting groove (709) is internally fixedly connected with a telescopic rod (705), the telescopic rod (705) is externally sleeved with a spring (706), two telescopic rods (705) are externally fixedly connected with a limiting block (707), the filter cartridge (701) is externally sleeved with a sealing sleeve (708).

2. The printed circuit board ultrasonic cleaning apparatus of claim 1, wherein: The placing assembly (3) is externally fixedly connected with two hanging ears (301), and the hanging ears (301) top are fixedly connected with pulling handles (302).

3. The printed circuit board ultrasonic cleaning apparatus of claim 1, wherein: The spraying assembly (5) is externally fixedly connected with L-shaped pipe one (501), the spraying assembly (5) is externally fixedly connected with L-shaped pipe two (502), the spraying assembly (5) is externally fixedly connected with L-shaped pipe three (503), and the L-shaped pipe one (501), the L-shaped pipe two (502) and the L-shaped pipe three (503) are internally fixedly connected with spray heads (504).

4. The printed circuit board ultrasonic cleaning apparatus of claim 1, wherein: The spraying assembly (5) is externally fixedly connected outside the box (1), and the spraying assembly (5) is internally hollow.

5. The printed circuit board ultrasonic cleaning apparatus of claim 1, wherein: The collecting assembly (6) is internally provided with a collecting groove (601), and the collecting groove (601) is externally fixedly connected with a valve (602), and the valve (602) is externally fixedly connected with a transmission pipe (603).

6. The printed circuit board ultrasonic cleaning apparatus of claim 1, wherein: One side of the spring (706) is fixedly connected inside the filter cartridge (701), and the other side of the spring (706) is fixedly connected outside the limiting block (707).

7. The printed circuit board ultrasonic cleaning apparatus of claim 1, wherein: The sealing sleeve (708) is made of rubber material, and the external ring (702) is slidably connected inside the limiting groove (709).