CN220658534U

CN220658534U - PCBA cleaning system

Info

Publication number: CN220658534U
Application number: CN202322182310.7U
Authority: CN
Inventors: 谢国华
Original assignee: Beijing Jangho Chuangzhi Technology Co ltd
Current assignee: Beijing Jangho Chuangzhi Technology Co ltd
Priority date: 2023-08-14
Filing date: 2023-08-14
Publication date: 2024-03-26
Anticipated expiration: 2033-08-14

Abstract

The utility model discloses a PCBA cleaning system, which comprises a first box body, a first heating component, a second box body, a second heating component and a cleaning box, wherein the first box body is used for mixing cleaning agent and water into cleaning agent, the first heating component is arranged in the first box body, so that the first heating component heats the cleaning agent in the first box body to a preset temperature, the second heating component is arranged in the second box body, so that the second heating component heats cleaning water in the second box body to the preset temperature, the cleaning box is provided with a cleaning chamber, the cleaning chamber is suitable for storing a circuit board, the PCBA cleaning system is provided with a cleaning state and a rinsing state, in the cleaning state, the first box body is communicated with the cleaning box, so that the cleaning agent in the first box body flows into the cleaning box to clean the circuit board, and in the rinsing state, the second box body is communicated with the cleaning box, so that the cleaning water in the second box body flows into the cleaning box to rinse the circuit board. The PCBA cleaning system has the advantages of simple structure, high cleaning efficiency and the like.

Description

PCBA cleaning system

Technical Field

The utility model relates to the field of circuit board cleaning, in particular to a PCBA cleaning system.

Background

PCBA boards are a number of residues that are created during the manufacturing process (e.g., residues created by the flux) resulting in a PCBA board that has a short life or is unusable.

In the related art, the PCBA cleaning machine is not thorough in cleaning and rinsing, and the cleaning and rinsing effects are poor.

Disclosure of Invention

The present utility model has been made based on the findings and knowledge of the inventors regarding the following facts and problems:

in the related art, the PCBA cleaning machine adopts a cleaning > rinsing > drying process, but the pipeline systems in the cleaning process link and the rinsing process link are shared, and the temperature and the emission cannot be controlled independently. In the cleaning process link, the temperature of the cleaning chamber does not reach the optimal performance temperature required by the cleaning agent, so that the cleaning effect is not exerted, and the object to be cleaned is not cleaned cleanly and thoroughly. In the rinsing stage, the temperature does not meet the expected requirement, so that rinsing is not thorough.

The present utility model aims to solve at least one of the technical problems in the related art to some extent.

Therefore, the embodiment of the utility model provides a PCBA cleaning system which is thoroughly cleaned and rinsed and has the standard cleaning and rinsing temperatures.

A PCBA cleaning system according to an embodiment of the utility model comprises: the cleaning device comprises a first box body and a first heating component, wherein the first box body is used for mixing cleaning agent and water into cleaning agent, and the first heating component is arranged in the first box body so that the first heating component heats the cleaning agent in the first box body to a preset temperature; the second heating assembly is arranged in the second box body, so that the second heating assembly heats the cleaning water in the second box body to a preset temperature; the PCBA cleaning system comprises a cleaning box, wherein the cleaning box is provided with a cleaning chamber, the cleaning chamber is suitable for storing a circuit board, the PCBA cleaning system is provided with a cleaning state and a rinsing state, the cleaning state is that the first box body is communicated with the cleaning box so that cleaning liquid in the first box body flows into the cleaning box to clean the circuit board, and the rinsing state is that the second box body is communicated with the cleaning box so that cleaning water in the second box body flows into the cleaning box to rinse the circuit board.

According to the PCBA cleaning system provided by the embodiment of the utility model, the first box body, the second box body, the first heating component, the second heating component and the cleaning box are arranged, so that the two cleaning process links of the circuit board are mutually isolated, mutual interference is avoided, cleaning liquid and cleaning water can be respectively heated, the rinsing efficiency is improved, and the circuit board is cleaned and rinsed thoroughly.

In some embodiments, the PCBA cleaning system further comprises a first monitoring assembly in communication with the first housing, the first monitoring assembly for monitoring the concentration of the cleaning fluid.

In some embodiments, the PCBA cleaning system further includes a drying assembly, one end of the drying assembly is in communication with one end of the cleaning tank so that the drying assembly heats and dries air flowing out of the cleaning tank, and the other end of the drying assembly is in communication with the other end of the cleaning tank so that the air heated and dried by the drying assembly flows into the cleaning tank.

In some embodiments, one end of the first tank is communicated with one end of the cleaning tank so that the cleaning liquid in the first tank flows into the cleaning tank, and the other end of the first tank is communicated with the other end of the cleaning tank so that the first tank recovers the cleaning liquid in the cleaning tank.

In some embodiments, the PCBA cleaning system further comprises a flush conduit in communication with the cleaning tank such that the flush conduit flushes the circuit board within the cleaning tank.

In some embodiments, the PCBA cleaning system further includes a drain pipe in communication with a bottom of the cleaning tank to open the drain pipe to drain the cleaning liquid or the cleaning water in the cleaning tank in the cleaning state or the rinsing state.

In some embodiments, the PCBA cleaning system further comprises a second monitoring assembly disposed within the second tank, the second monitoring assembly configured to monitor a level of cleaning water within the second tank.

In some embodiments, the PCBA cleaning system further includes a first pump and a second pump, both ends of the first pump are respectively communicated with the first tank and the cleaning tank so that cleaning liquid in the first tank flows into the cleaning tank through the first pump, and both ends of the second pump are respectively communicated with the second tank and the cleaning tank so that cleaning water in the second tank flows into the cleaning tank through the second pump.

In some embodiments, the PCBA cleaning system further includes a communicating member, two ends of the communicating member are respectively connected to the cleaning tank and the second tank, so that after the circuit board is rinsed, the communicating member communicates the cleaning tank and the second tank, and cleaning water in the cleaning tank flows into the second tank through the communicating member.

In some embodiments, the PCBA cleaning system further comprises a stirring assembly disposed within the first housing such that the stirring assembly stirs the cleaning solution within the first housing.

Drawings

Fig. 1 is a schematic diagram of a PCBA cleaning system according to an embodiment of the present utility model.

PCBA cleaning system 100;

a first casing 1; a first heating assembly 2; a second casing 3; a second heating assembly 4; a cleaning tank 5; flushing the pipeline 6; a drying assembly 7; a drain pipe 8; a first pump 9; a second pump 10; a communication member 11; a stirring assembly 12; a solenoid valve 13; a first monitoring assembly 14.

Detailed Description

Reference will now be made in detail to embodiments of the present utility model, examples of which are illustrated in the accompanying drawings. The embodiments described below by referring to the drawings are illustrative and intended to explain the present utility model and should not be construed as limiting the utility model.

A PCBA cleaning system according to an embodiment of the present utility model is described below with reference to the accompanying drawings.

As shown in fig. 1, a PCBA cleaning system 100 according to an embodiment of the present utility model includes a first housing 1, a first heating assembly 2, a second housing 3, a second heating assembly 4, and a cleaning housing 5.

The first tank 1 is used for mixing cleaning agent and water into cleaning agent, and the first heating component 2 is arranged in the first tank 1, so that the first heating component 2 heats the cleaning agent in the first tank 1 to a preset temperature. Specifically, as shown in fig. 1, the first heating component 2 may be a thermal resistance wire, the first heating component 2 may be installed in the first box 1 and located at the bottom of the first box 1, and water and a cleaning agent are introduced into the first box 1, so that the cleaning agent and the water are fully mixed in the first box 1, and at the same time, the first heating component 2 is turned on to heat the cleaning agent in the first box 1, so that the cleaning agent has the optimal performance temperature required by the cleaning agent, and the cleaning efficiency of the cleaning agent is improved.

The second tank 3 is adapted to be supplied with cleaning water, and the second heating member 4 is provided in the second tank 3 so that the second heating member 4 heats the cleaning water in the second tank 3 to a preset temperature. Specifically, as shown in fig. 1, the second tank 3 is a water storage tank and can be filled with clean water to rinse the circuit board, the second heating component 4 can be a thermal resistance wire, the second heating component 4 can be installed in the second tank 3 and located at the bottom of the second tank 3, and the clean water in the second tank 3 is heated to a preset temperature through the second heating component 4, so that the rinsing efficiency of the circuit board is improved.

The cleaning tank 5 has a cleaning chamber adapted to store a circuit board, and the PCBA cleaning system 100 has a cleaning state in which the first tank 1 communicates with the cleaning tank 5 so that cleaning liquid in the first tank 1 flows into the cleaning tank 5 to clean the circuit board, and a rinsing state in which the second tank 3 communicates with the cleaning tank 5 so that cleaning water in the second tank 3 flows into the cleaning tank 5 to rinse the circuit board. Specifically, as shown in fig. 1, when the circuit board needs to be cleaned, the circuit board is placed in the cleaning chamber, and the PCBA cleaning system 100 is in a cleaning state, the first case 1 provides the cleaning solution to the cleaning case 5, so that the circuit board is cleaned in the cleaning case 5, after the circuit board is cleaned, the first case 1 is disconnected from the cleaning case 5, and the PCBA cleaning system 100 is in a rinsing state, and the second case 3 provides the cleaning solution to the cleaning case 5, so that the circuit board in the cleaning case 5 is rinsed to remove the cleaning solution on the circuit board.

According to the PCBA cleaning system 100 disclosed by the embodiment of the utility model, the first box body 1, the second box body 3 and the cleaning box 5 are arranged, so that the two cleaning process links of cleaning and rinsing of a circuit board are mutually isolated and cannot interfere with each other, the first heating component 2 is arranged to heat the cleaning liquid, the optimal performance temperature required by the cleaning agent in the cleaning liquid is realized, the cleaning effect is effectively exerted, the circuit board is cleaned more cleanly and thoroughly, the second heating component is arranged to heat the cleaning water, the temperature of the cleaning water reaches the expected requirement, the rinsing efficiency is improved, and the circuit board is rinsed more thoroughly.

In some embodiments, the PCBA cleaning system 100 further comprises a first monitoring assembly 14, the first monitoring assembly 14 being in communication with the first tank 1, the first monitoring assembly 14 being for monitoring the concentration of the cleaning fluid. Specifically, as shown in fig. 1, the first monitoring component 14 is a concentration monitor, the first monitoring component 14 is disposed on one side of the first tank 1, and the monitoring end of the first monitoring component 14 extends into the first tank 1, so as to monitor the concentration of the cleaning solution, so as to remind an operator whether the concentration of the cleaning solution reaches the standard.

In some embodiments, in the cleaning state, one end of the first tank 1 communicates with one end of the cleaning tank 5 so that the cleaning liquid in the first tank 1 flows into the cleaning tank 5, and the other end of the first tank 1 communicates with the other end of the cleaning tank 5 so that the first tank 1 recovers the cleaning liquid in the cleaning tank 5. Specifically, as shown in fig. 1, the outlet of the first tank 1 is communicated with the liquid inlet of the cleaning tank 5, so that the cleaning liquid in the first tank 1 flows into the cleaning tank 5 to clean the circuit board in the cleaning tank 5, and at the same time, the inlet of the first tank 1 is communicated with the liquid outlet of the cleaning tank 5, so that the cleaning liquid in the cleaning tank 5 is recovered through the first tank 1, so that the cleaning liquid is reused, and the utilization rate of the cleaning liquid is improved.

In some embodiments, PCBA cleaning system 100 further comprises a flush conduit 6, flush conduit 6 in communication with cleaning tank 5, such that flush conduit 6 flushes the circuit board within cleaning tank 5. Specifically, as shown in fig. 1, the inlet of the flushing pipe 6 is communicated with an external water pipe, the outlet of the flushing pipe 6 is communicated with the liquid inlet of the cleaning box 5, and when the circuit board is rinsed, the flushing pipe 6 starts to work, so that cleaning water of the external water pipe flows into the cleaning box 5 through the flushing pipe 6 to flush the circuit board, and the cleanliness of the circuit board is improved.

In some embodiments, PCBA cleaning system 100 further comprises a drying assembly 7, one end of drying assembly 7 being in communication with one end of cleaning tank 5 such that drying assembly 7 heats air exiting drying cleaning tank 5, and the other end of drying assembly 7 being in communication with the other end of cleaning tank 5 such that air heated and dried by drying assembly 7 flows into cleaning tank 5. Specifically, as shown in fig. 1, an inlet of the drying assembly 7 is communicated with an air outlet of the cleaning box 5, an outlet of the drying assembly 7 is communicated with an air inlet of the cleaning box 5, after the circuit board is washed, the drying assembly 7 is opened, so that low-temperature wet air in the cleaning box 5 is pumped into the drying assembly 7, the low-temperature wet air is heated to be high-temperature dry air, and then the high-temperature dry air is discharged into the cleaning box 5, so that the circuit board in the cleaning box 5 is dried.

In some embodiments, the PCBA cleaning system 100 further includes a drain pipe 8, the drain pipe 8 communicating with the bottom of the cleaning tank 5, such that in a cleaning state or a rinsing state, the drain pipe 8 is opened to drain the cleaning liquid or the cleaning water in the cleaning tank 5. Specifically, as shown in fig. 1, the outlet of the drain pipe 8 is communicated with the liquid outlet at the bottom of the cleaning tank 5, in the cleaning state, the drain pipe 8 can be opened, so that the cleaning liquid after cleaning in the cleaning tank 5 is discharged through the drain pipe 8 while the cleaning liquid is supplied to the circuit board, or in the rinsing state, after the circuit board is rinsed, the cleaning water after rinsing is discharged through the drain pipe 8, thereby improving the cleaning efficiency of the PCBA cleaning system 100.

In some embodiments, the PCBA cleaning system 100 further comprises a second monitoring assembly (not shown) disposed within the second tank 3 for monitoring the level of cleaning water within the second tank 3. Specifically, the second monitoring component is a water level monitor and is arranged in the second box body 3, in a rinsing state, water is firstly supplied to the second box body 3, whether clean water in the second box body 3 reaches a preset value is monitored through the second monitoring component, and when the preset value is reached, water supply in the second box body 3 is stopped.

In some embodiments, PCBA cleaning system 100 further comprises a first pump 9 and a second pump 10, both ends of first pump 9 being in communication with first tank 1 and cleaning tank 5, respectively, such that cleaning liquid within first tank 1 flows into cleaning tank 5 via first pump 9, and both ends of second pump 10 being in communication with second tank 3 and cleaning tank 5, respectively, such that cleaning water within second tank 3 flows into cleaning tank 5 via second pump 10. Specifically, as shown in fig. 1, the first pump 9 and the second pump 10 are both water pumps, the inlet of the first pump 9 is communicated with the outlet of the first tank 1, the outlet of the first pump 9 is communicated with the liquid inlet of the cleaning tank 5, so that the cleaning liquid flows into the cleaning tank 5 through the first pump 9, the inlet of the second pump 10 is communicated with the outlet of the second tank 3, and the outlet of the second pump 10 is communicated with the liquid inlet of the cleaning tank 5, so that the cleaning water flows into the cleaning tank 5 through the second pump 10.

In some embodiments, the PCBA cleaning system 100 further includes a communication member 11, and both ends of the communication member 11 are connected to the cleaning tank 5 and the second tank 3, respectively, so that after the circuit board is rinsed, the communication member 11 communicates the cleaning tank 5 and the second tank 3, and the cleaning water in the cleaning tank 5 flows into the second tank 3 through the communication member 11. Specifically, as shown in fig. 1, the communicating member 11 may be a communicating pipe, an inlet of which communicates with a liquid outlet of the cleaning tank 5, an outlet of which communicates with an outlet of the second tank 3, and after the circuit board is rinsed, cleaning water flows into the second tank 3 through the communicating member 11, thereby recovering the cleaning water to reuse the cleaning water.

In some embodiments, PCBA cleaning system 100 further comprises a stirring assembly 12, stirring assembly 12 being disposed within first housing 1 such that stirring assembly 12 stirs the cleaning solution within first housing 1. Specifically, stirring subassembly 12 includes motor, pivot and stirring leaf, and the stirring leaf is established on the outer peripheral face of pivot and the one end of pivot links to each other with the motor, and the stirring leaf stretches into the bottom of first box 1 through the pivot to the motor drives the stirring leaf through the pivot and rotates, and then makes the washing liquid in the stirring leaf stirring first box 1, in order to accelerate cleaner and water mixing, has reduced the mixing time of cleaner.

In some embodiments, PCBA cleaning system 100 further comprises a plurality of solenoid valves 13, the plurality of solenoid valves 13 being disposed between first housing 1 and cleaning housing 5, between second housing 3 and cleaning housing 5, on flush conduit 6, on communication 11, etc., respectively. Thereby, the electromagnetic valve 13 controls the opening and closing of the first tank 1 and the cleaning tank 5, the second tank 3 and the cleaning tank 5, the flushing pipe 6, and the communicating member 11.

According to the PCBA cleaning system 100 disclosed by the embodiment of the utility model, the first box body 1, the first heating component 2, the second box body 3, the second heating component, the flushing pipeline 6 and the drying component 7 are arranged, so that a circuit board adopts the processes of cleaning, rinsing, flushing and drying, the cleaning, rinsing and flushing respectively adopt independent pipeline systems and share one set of spray bars, the independent box bodies (the first box body 1 and the second box body 3) and the independent heating components (the first heating component 2 and the second heating component) are mutually isolated, the cleaning of the three links is mutually isolated, the mutual influence is avoided, the cross contamination is avoided, the independent heating temperature control systems are adopted in the processes, the temperature in the cleaning, rinsing and flushing stages can be set according to the process parameter requirements of customers, the constant process parameter requirements output temperature, water quantity and pressure can be kept, and the cleaning efficiency of the PCBA cleaning system 100 is improved.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

For purposes of this disclosure, the terms "one embodiment," "some embodiments," "example," "a particular example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.

While embodiments of the present utility model have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the utility model, and that variations, modifications, alternatives and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the utility model.

Claims

1. A PCBA cleaning system, comprising: the cleaning device comprises a first box body and a first heating component, wherein the first box body is used for mixing cleaning agent and water into cleaning agent, and the first heating component is arranged in the first box body so that the first heating component heats the cleaning agent in the first box body to a preset temperature; the second heating assembly is arranged in the second box body, so that the second heating assembly heats the cleaning water in the second box body to a preset temperature; the PCBA cleaning system comprises a cleaning box, wherein the cleaning box is provided with a cleaning chamber, the cleaning chamber is suitable for storing a circuit board, the PCBA cleaning system is provided with a cleaning state and a rinsing state, the cleaning state is that the first box body is communicated with the cleaning box so that cleaning liquid in the first box body flows into the cleaning box to clean the circuit board, and the rinsing state is that the second box body is communicated with the cleaning box so that cleaning water in the second box body flows into the cleaning box to rinse the circuit board.

2. The PCBA cleaning system of claim 1, further comprising a first monitoring assembly in communication with the first housing, the first monitoring assembly for monitoring a concentration of the cleaning fluid.

3. The PCBA cleaning system of claim 1, further comprising a drying assembly, wherein one end of the drying assembly is in communication with one end of the cleaning tank such that the drying assembly heats and dries air flowing out of the cleaning tank, and the other end of the drying assembly is in communication with the other end of the cleaning tank such that the air heated and dried by the drying assembly flows into the cleaning tank.

4. The PCBA cleaning system of claim 1, wherein in the cleaning state, one end of the first housing communicates with one end of the cleaning tank so that cleaning liquid in the first housing flows into the cleaning tank, and the other end of the first housing communicates with the other end of the cleaning tank so that the first housing recovers cleaning liquid in the cleaning tank.

5. The PCBA cleaning system of claim 1, further comprising a flush conduit in communication with the cleaning tank such that the flush conduit flushes a circuit board within the cleaning tank.

6. The PCBA cleaning system of claim 1, further comprising a drain pipe in communication with a bottom of the cleaning tank, such that in the cleaning state or the rinsing state, the drain pipe is opened to drain cleaning liquid or cleaning water in the cleaning tank.

7. The PCBA cleaning system of claim 1, further comprising a second monitoring assembly disposed within the second housing, the second monitoring assembly configured to monitor a level of cleaning water within the second housing.

8. The PCBA cleaning system of claim 1, further comprising a first pump and a second pump, wherein both ends of the first pump are respectively in communication with the first tank and the cleaning tank such that cleaning liquid in the first tank flows into the cleaning tank through the first pump, and both ends of the second pump are respectively in communication with the second tank and the cleaning tank such that cleaning water in the second tank flows into the cleaning tank through the second pump.

9. The PCBA cleaning system according to claim 1, further comprising a communication member, both ends of the communication member being connected to the cleaning tank and the second tank, respectively, so that after the circuit board is rinsed, the communication member communicates the cleaning tank and the second tank, and cleaning water in the cleaning tank flows into the second tank through the communication member.

10. The PCBA cleaning system of claim 1, further comprising a stirring assembly disposed within the first housing such that the stirring assembly stirs cleaning solution within the first housing.