PCB washing machine

By designing a PCB board washing machine that includes an ultrasonic mechanism, spraying components, and brushes, the problem of low efficiency in traditional cleaning equipment has been solved, enabling rapid cleaning and drying of both sides of the PCB board, thus meeting the needs of high-efficiency production.

CN223946367UActive Publication Date: 2026-02-27四川易创芯电子科技有限公司
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Patent Information

Application Number
CN202520139738.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-21
Publication Date
2026-02-27
Estimated Expiration
2035-01-21

AI Technical Summary

Technical Problem

Traditional PCB cleaning equipment can only clean one side, which is inefficient. After cleaning, the boards need to be manually flipped over, which cannot meet the needs of high-efficiency production. In addition, the PCB boards need to be dried for a long time after cleaning.

Method used

Design a PCB board washing machine, including an ultrasonic mechanism, a spraying component, a stirring device, and a brush, which can quickly clean both sides of the PCB board and then quickly dry it through a drying device after cleaning.

Benefits of technology

It enables rapid and effective cleaning and drying of both sides of the PCB board, meeting the needs of high-efficiency production and improving production efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a PCB washing machine, and relates to the technical field of PCB washing. Comprising a mounting frame and a cleaning container mounted on the mounting frame, an ultrasonic mechanism, a spraying assembly, a stirring device and a brush are arranged in the cleaning container, the stirring device is arranged in the axial direction of the cleaning container, the brush and the spraying assembly are arranged in the circumferential direction of the stirring device, a water outlet of the spraying assembly faces the interior of the cleaning container, and the ultrasonic mechanism is arranged on the inner side wall of the cleaning container; a guide rod is arranged on the side edge of the cleaning container and movably provided with a moving device, and one end of the stirring device is connected with the moving device. A water outlet is formed in the bottom of the cleaning container, a feeding port and a cover plate used in cooperation with the feeding port are arranged on one side of the cleaning container, and the cover plate is provided with drying equipment and an air outlet. By the adoption of the PCB cleaning and washing device, in the PCB production process, the two faces of a PCB can be rapidly and effectively cleaned and washed, meanwhile, the PCB can be rapidly aired after being cleaned, and therefore the follow-up machining link can be rapidly carried out.
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Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of PCB cleaning, in particular to a PCB cleaning machine. BACKGROUND

[0002] PCB is an important electronic component, is the support of electronic components, is the carrier of electronic components electrical connection, printed board from single-layer to double-sided, multilayer and flexible, and still maintains the respective development trend, constantly to high precision, high density and high reliability. In the production process of PCB, almost every process will cause a certain degree of pollution to PCB, such as the oxidation of PCB and electronic components caused by the patch stage, the pollution of the operator's fingerprint oil or the residual flux pollution in the welding stage, the pollution of dust or tin ash in the repair stage. The existence of these pollutants not only affects the appearance of PCB, but also has a negative impact on the performance of PCB. Therefore, the cleaning of PCB is very important.

[0003] In the Chinese patent document, the authorized announcement number of the utility model patent is CN205726704U, which discloses a "PCB cleaning machine", and specifically discloses an ultrasonic cleaning container; the ultrasonic cleaning container comprises a tank body and a tank cover, the tank body is provided with an ultrasonic mechanism, the tank cover is connected with the tank body through a lifting mechanism, one side of the tank cover close to the tank body is provided with a plurality of brush mechanisms, the brush mechanism comprises a rotating disc provided on the tank cover and connected with a motor, a brush disc provided on one side of the rotating disc close to the tank body, and a brush provided on the brush disc. The PCB cleaning machine can completely remove the stains on the PCB.

[0004] However, the traditional cleaning equipment can only clean one side of the PCB, and the other side needs to be manually turned over for washing. Such cleaning efficiency is low and cannot meet the high production demand of PCB. Moreover, after cleaning, a large amount of water remains on the PCB, which needs a long time to dry the PCB, resulting in low production efficiency. Utility model content

[0005] The main purpose of the present application is to provide a PCB cleaning machine, which can quickly and effectively clean both sides of the PCB during the production process of the PCB, and can quickly dry the PCB after cleaning, so as to quickly proceed to the next processing link.

[0006] In order to solve the foregoing technical problems, the application provides a PCB plate washing machine, which comprises a mounting frame and a cleaning container mounted on the mounting frame, wherein an ultrasonic mechanism, a spraying assembly, a stirring device and a brush are arranged in the cleaning container, the stirring device is arranged in the axial direction of the cleaning container, the brush and the spraying assembly are both arranged in the circumferential direction of the stirring device, the water outlet of the spraying assembly faces the inside of the cleaning container, and the ultrasonic mechanism is arranged on the inner side wall of the cleaning container.

[0007] A guide rod is arranged on the side of the cleaning container, the guide rod is movably provided with a moving device, and one end of the stirring device is connected with the moving device.

[0008] The bottom of the cleaning container is provided with a water outlet, one side of the cleaning container is provided with an inlet and a cover plate matched with the inlet, and the cover plate is provided with a drying device and an air outlet.

[0009] Optionally, in some embodiments of the application, the stirring device comprises a driving motor, a driving shaft, stirring blades and a plurality of fixing assemblies arranged on the outer side of the stirring blades, the driving motor is arranged on the side of the cleaning container away from the cover plate, the driving motor and the driving shaft are in transmission connection, and the plurality of stirring blades are arranged in the circumferential direction of the driving shaft.

[0010] Optionally, in some embodiments of the application, the fixing assembly comprises a clamping plate and an elastic piece, one side of the stirring blade is provided with a groove, the clamping plate is arranged in the groove, and the side away from the groove is provided with a limiting groove, and the two ends of the elastic piece are connected with the clamping plate and the inner side wall of the groove respectively.

[0011] Optionally, in some embodiments of the application, the side of the stirring blade away from the driving shaft is provided with an opening and a stop block used for closing the opening, and the stop block is detachably connected with the stirring blade.

[0012] Optionally, in some embodiments of the application, the inside of the cleaning container is in a cylindrical structure, and the plurality of brushes are arranged on the inner side wall of the cleaning container.

[0013] Optionally, in some embodiments of the application, the brush and the cleaning container are detachably connected through a buckle structure.

[0014] Optionally, in some embodiments of the application, the spraying assembly comprises a water tank, a water guide pipe and a plurality of spray heads, the water tank is arranged on the outer side of the cleaning container, one end of the water guide pipe is connected with the water tank, the other end of the water guide pipe extends into the cleaning container and is provided with the spray heads.

[0015] Optionally, in some embodiments of the application, the number of the spray heads is four, the spray heads are arranged in pairs and symmetrically upwards and downwards in the cleaning container, and are arranged symmetrically along the geometric center of the cleaning container.

[0016] Optionally, in some embodiments of the utility model, the above-mentioned drying equipment includes a hot air machine, a wind pipe and a plurality of air guide covers, the hot air machine is arranged outside the cleaning container, the air guide covers are arranged on the cover plate, one end of the wind pipe is connected with the air outlet of the hot air machine, and the other end of the wind pipe is connected with the plurality of air guide covers.

[0017] Optionally, in some embodiments of the utility model, the number of the guide rods is two, and the two guide rods are arranged on the two sides of the cleaning container, a fixing plate is arranged between the two guide rods, the moving device is an electric telescopic rod, one end of the electric telescopic rod is connected with the fixing plate, and the other end of the electric telescopic rod is connected with the stirring device.

[0018] The beneficial effects that can be achieved by the application are as follows:

[0019] The PCB cleaning machine provided by the embodiment of the application comprises a mounting frame and a cleaning container mounted on the mounting frame, an ultrasonic mechanism, a spraying assembly, a stirring device and a brush are arranged in the cleaning container, the stirring device is arranged in the axial direction of the cleaning container, the brush and the spraying assembly are both arranged in the circumferential direction of the stirring device, the water outlet of the spraying assembly faces the inside of the cleaning container, and the ultrasonic mechanism is arranged on the inner wall of the cleaning container.

[0020] The ultrasonic mechanism can use an ultrasonic generator, the ultrasonic generator adopts digital control technology, can adjust the frequency and power of the vibration wave according to needs, and meanwhile, the frequency and power of the ultrasonic generator should be adjusted according to the material of the PCB and the type of stains.

[0021] The spraying assembly can be used to flush the PCB to be cleaned with water, and meanwhile, cleaning liquid can be added into the spraying assembly to further improve the cleaning efficiency.

[0022] The stirring device is used for fixing the PCB and can make the PCB rotate in the cleaning container, so that the cleaning purpose is achieved.

[0023] The brush can be used to further clean the PCB, and meanwhile, the reverse rotation of the stirring device can be used to clean both sides of the PCB, so that the two sides of the PCB can be quickly and effectively cleaned and flushed.

[0024] The cleaning container is provided with guide rods, the guide rods are movably provided with moving devices, and one end of the stirring device is connected with the moving devices; so that the moving devices and the stirring device can be used to realize multiple moving modes of the PCB in the cleaning container, and the cleaning effect is improved.

[0025] The cleaning container is provided with a water outlet, one side of the cleaning container is provided with a feeding port and a cover plate used in cooperation with the feeding port, the cover plate is provided with a drying equipment and an air outlet.

[0026] By setting the water outlet, the liquid in the cleaning container can be discharged in time. BRIEF DESCRIPTION OF DRAWINGS

[0027] Fig. 1 A structure schematic diagram of a PCB plate washing machine is provided in the embodiment of the present application.

[0028] Fig. 2 A side view of the PCB plate washing machine is provided in the embodiment of the present application.

[0029] Icon: 1, mounting frame; 2, cleaning container; 21, water outlet; 22, feeding port; 23, cover plate; 231, air outlet; 24, drying device; 241, hot air blower; 242, air pipe; 243, air guide cover; 3, ultrasonic mechanism; 4, spraying assembly; 41, water tank; 42, water guide pipe; 43, spray head; 5, stirring device; 51, driving motor; 52, driving shaft; 53, stirring blade; 531, groove; 532, stop block; 54, fixing assembly; 541, clamping plate; 542, elastic member; 6, brush; 7, guide rod; 8, moving device; 9, fixed plate.

[0030] The implementation, functional features and advantages of the present application will be further described with reference to the embodiments and the accompanying drawings. DETAILED DESCRIPTION

[0031] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative work fall within the scope of protection of the present application.

[0032] It should be noted that all the directionality indications (such as up, down, left, right, front, back, etc.) in the embodiments of the present application are only used to explain the relative positional relationship, movement condition, etc. between the components in a certain specific posture (as shown in the drawings). If the specific posture changes, the directionality indications also change accordingly.

[0033] In the utility model, unless another definite provision and limitation, the terms "connect", "fix" and the like should be understood broadly, for example, "fix" can be fixed connection, also can be detachable connection, or be integrated, can be mechanical connection, also can be electrical connection, can be directly connected, also can be indirectly connected through intermediate medium, can be the communication of two elements or the interaction of two elements, unless another definite limitation, for the ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to specific circumstances.

[0034] In addition, if the description of "first", "second" and the like is involved in the embodiments of the utility model, the description of "first", "second" and the like is only for the purpose of description, and cannot be understood as indicating or implying the relative importance of the indicated technical features or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second" can explicitly or implicitly include at least one of the features. In addition, the meaning of "and / or" appearing throughout the text includes three parallel schemes, for example, "A and / or B" includes A scheme, or B scheme, or A and B simultaneously satisfy the scheme. In addition, the technical solutions of each embodiment can be combined with each other, but it must be based on that the ordinary skilled in the art can realize, when the combination of technical solutions appears contradictory or unachievable, it should be considered that the combination of technical solutions does not exist, and is not within the protection scope required by the utility model.

[0035] The utility model will be further explained in detail in combination with the drawings, so that the person skilled in the art can implement according to the description.

[0036] In order to realize the above-mentioned purpose,

[0037] Referring to Figs. 1-2 The embodiment of the application provides a PCB plate washing machine, which comprises a mounting frame 1 and a cleaning container 2 mounted on the mounting frame 1,

[0038] The cleaning container 2 is provided with an ultrasonic mechanism 3, a spraying assembly 4, a stirring device 5 and a brush 6. The stirring device 5 is arranged in the axial direction of the cleaning container 2. The brush 6 and the spraying assembly 4 are both arranged in the circumferential direction of the stirring device 5. The water outlet 21 of the spraying assembly 4 faces the inside of the cleaning container 2. The ultrasonic mechanism 3 is arranged on the inner wall of the cleaning container 2. High-frequency vibration waves are generated by the ultrasonic mechanism 3, so that the stains on the PCB plate are cleaned.

[0039] The ultrasonic mechanism 3 can use an ultrasonic generator. The ultrasonic generator adopts digital control technology and can adjust the frequency and power of the vibration waves according to needs. Meanwhile, the frequency and power of the ultrasonic generator should be adjusted according to the material of the PCB plate and the type of stains.

[0040] The spraying assembly 4 can be used to wash the PCB to be cleaned by water, and the cleaning efficiency can be further improved by adding cleaning liquid in the spraying assembly 4.

[0041] The stirring device 5 is used to fix the PCB, and the PCB can rotate in the cleaning container 2, so as to achieve the cleaning purpose.

[0042] The brush 6 can further clean the PCB, and the brush 6 can clean both sides of the PCB by the reverse rotation of the stirring device 5, so that the both sides of the PCB can be quickly and effectively cleaned.

[0043] The cleaning container 2 is provided with a guide rod 7, the guide rod 7 is movably provided with a moving device 8, and one end of the stirring device 5 is connected with the moving device 8; so that the moving device 8 cooperates with the stirring device 5 to realize multiple moving modes of the PCB in the cleaning container 2, so as to improve the cleaning effect.

[0044] The cleaning container 2 is provided with a water outlet 21, one side of the cleaning container 2 is provided with a feeding port 22 and a cover plate 23 matched with the feeding port 22, the cover plate 23 is provided with a drying device 24 and an air outlet 231.

[0045] The water outlet 21 is arranged to timely discharge the liquid in the cleaning container 2. The drying device 24 and the air outlet 231 arranged on the cover plate 23 can quickly dry the PCB after cleaning, so that the downstream processing link can be quickly performed.

[0046] As an optional embodiment, the stirring device 5 of the embodiment comprises a driving motor 51, a driving shaft 52, stirring blades 53 and a plurality of fixing assemblies 54 arranged outside the stirring blades 53, the driving motor 51 is arranged on the side of the cleaning container 2 away from the cover plate 23, the driving motor 51 and the driving shaft 52 are in transmission connection, and the plurality of stirring blades 53 are arranged along the circumference of the driving shaft 52.

[0047] The PCB is fixed on the stirring blades 53 by the fixing assemblies 54, so that the stirring blades 53 and the PCB are rotated together by the driving motor 51, so that a plurality of PCBs are rotated to achieve the cleaning purpose.

[0048] Further, the fixing assembly 54 of the embodiment comprises a clamping plate 541 and an elastic member 542, one side of the stirring blade 53 is provided with a groove 531, the clamping plate 541 is arranged in the groove 531, and the side away from the groove 531 is provided with a limiting groove, and the elastic member 542 is connected to the clamping plate 541 and the inner side wall of the groove 531 at both ends.

[0049] It should be noted that the fixing assembly 54 of the embodiment includes the clamping plate 541 and the elastic member 542, which is only an optional implementation of the embodiment, and a buckle or a threaded structure can also be used to fix the PCB in other embodiments.

[0050] Optionally, the elastic member 542 of the embodiment can use a spring, the number of the clamping plate 541 is two, and the clamping plate 541 is uniformly arranged on both sides of the groove 531. The number of the elastic member 542 corresponds to the number of the clamping plate 541.

[0051] Meanwhile, the stirring blade 53 of the embodiment is provided with an opening and a stop block 532 for closing the opening on the side away from the driving shaft 52. The stop block 532 is detachably connected with the stirring blade 53.

[0052] The opening is used to facilitate the PCB to enter the groove 531 for fixation.

[0053] As an optional implementation, the cleaning container 2 of the embodiment is in a cylindrical structure to facilitate the stirring of the stirring device 5. The plurality of brushes 6 are installed on the inner side wall of the cleaning container 2.

[0054] Further, the brush 6 of the embodiment is detachably connected with the cleaning container 2 through a buckle structure. Thus, the brush 6 of appropriate size can be selected for cleaning according to the size of the PCB.

[0055] As an optional implementation, the spraying assembly 4 of the embodiment includes a water tank 41, a water guide pipe 42, and a plurality of spray heads 43. The water tank 41 is arranged outside the cleaning container 2. One end of the water guide pipe 42 is connected with the water tank 41, and the other end extends into the cleaning container 2 and is provided with the spray head 43.

[0056] Optionally, the water tank 41 of the embodiment can be additionally provided with a charging port for adding cleaning liquid. Meanwhile, a mixing device and a heating device can be arranged in the water tank 41 for mixing and heating the cleaning liquid and water, so as to improve the cleaning effect of the cleaning liquid.

[0057] Further, the number of the spray head 43 of the embodiment is four. The spray heads 43 are symmetrically arranged in pairs on the cleaning container 2, and are symmetrically arranged along the geometric center of the cleaning container 2.

[0058] As an optional implementation, the drying device 24 of the embodiment comprises a hot air blower 241, an air pipe 242 and a plurality of air guide hoods 243, the hot air blower 241 is arranged outside the cleaning container 2, the air guide hoods 243 are arranged on the cover plate 23, one end of the air pipe 242 is connected with the air outlet 231 of the hot air blower 241, and the other end of the air pipe 242 is connected with the plurality of air guide hoods 243 respectively. In actual use, the circulation of the gas can be realized by opening the cover door without arranging the air outlet 231.

[0059] As an optional implementation, the number of the guide rods 7 of the embodiment is two, and the two guide rods 7 are arranged at two sides of the cleaning container 2 in a spaced manner, and the fixing plate 9 is arranged between the two guide rods 7, and the moving device 8 is an electric telescopic rod, one end of the electric telescopic rod is connected with the fixing plate 9, and the other end of the electric telescopic rod is connected with the stirring device 5.

[0060] Therefore, the PCB can be moved in a plurality of modes in the cleaning container 2 by driving the fixing plate 9 to move through the electric telescopic rod and cooperating with the stirring device 5, so that the cleaning effect is enhanced.

[0061] The above is only the preferred embodiment of the utility model, and is not used for limiting the utility model, and for those skilled in the art, apparently, the application is not limited to the details of the above exemplary embodiments, and the application can be realized in other specific forms without departing from the spirit or basic characteristics of the application.

Claims

1. A PCB board washer characterized by: The utility model provides a cleaning device, including the mounting frame and the cleaning container of installation in the mounting frame, be provided with ultrasonic mechanism, spray subassembly, stirring device and brush in the cleaning container, the stirring device is axially arranged along the cleaning container, the brush and the spray subassembly are circumferentially arranged around the stirring device, the spray subassembly water outlet faces the inside of the cleaning container, the ultrasonic mechanism is arranged in the inside wall of the cleaning container, The cleaning container side is provided with a guide rod, the guide rod is movably provided with a moving device, one end of the stirring device is connected with the moving device, The cleaning container bottom is equipped with water outlet, one side of the cleaning container is provided with feeding port and the cover plate used in cooperation with feeding port, the cover plate is equipped with drying equipment and air outlet.

2. The PCB board washer of claim 1, wherein: The stirring device includes a driving motor, a driving shaft, stirring blades, and a plurality of fixing assemblies arranged outside the stirring blades. The driving motor is arranged on the side of the cleaning container away from the cover plate. The driving motor and the driving shaft are in transmission connection. A plurality of stirring blades are arranged circumferentially along the driving shaft.

3. The PCB board washer of claim 2, wherein: The fixing assembly includes a clamping plate and an elastic member. One side of the stirring blade is provided with a groove. The clamping plate is arranged in the groove. The side away from the groove is provided with a limiting groove. The elastic member is connected to the clamping plate and the inner side wall of the groove at both ends.

4. The PCB board washer of claim 2, wherein: The side of the stirring blade away from the driving shaft is provided with an opening and a stop block for closing the opening. The stop block is detachably connected with the stirring blade.

5. The PCB board washer of claim 1, wherein: The inside of the cleaning container is in a cylindrical structure. A plurality of brushes are installed on the inner side wall of the cleaning container.

6. The PCB board washer of claim 5, wherein: The brush and the cleaning container are detachably connected through a buckle structure.

7. The PCB board washer of claim 1, wherein: The spray assembly includes a water tank, a water guide pipe, and a plurality of spray heads. The water tank is arranged outside the cleaning container. One end of the water guide pipe is connected with the water tank. The other end of the water guide pipe extends into the cleaning container and is installed with the spray heads.

8. The PCB board washer of claim 7, wherein: The number of spray heads is four. Two of the spray heads are symmetrically arranged above and below as a group in the cleaning container. The spray heads are symmetrically arranged along the geometric center of the cleaning container.

9. The PCB board washer of claim 1, wherein: The drying equipment includes a hot air blower, an air pipe, and a plurality of air guide hoods. The hot air blower is arranged outside the cleaning container. The air guide hoods are arranged on the cover plate. One end of the air pipe is connected with the air outlet of the hot air blower. The other end of the air pipe is connected with a plurality of air guide hoods.

10. The PCB board washer of claim 1, wherein: The number of guide rods is two, and they are arranged on both sides of the cleaning container. A fixing plate is arranged between the two guide rods. The moving device is an electric telescopic rod. One end of the electric telescopic rod is connected with the fixing plate. The other end of the electric telescopic rod is connected with the stirring device.

Citation Information

Patent Citations

  • PCB washes trigger

    CN205726704U