A printed circuit board cleaning and drying apparatus

Abstract

The utility model belongs to the technical field of cleaning and drying device, especially relate to a printed circuit board cleaning and drying device, including the casing, the inside of casing is provided with working cavity, the inner wall fixed mounting of working cavity has track no.

Description

Technical Field

[0001] This utility model belongs to the technical field of cleaning and drying devices, and particularly relates to a cleaning and drying device for printed circuit boards. Background Technology

[0002] Printed circuit boards (PCBs) are the core carriers of electronic devices. Based on an insulating substrate, conductive copper foil is etched on the surface to form circuit patterns. With vias, signals and current can be transmitted between different layers, which can greatly improve the integration of devices and is widely used in mobile phones, computers, home appliances, automotive electronics and other fields.

[0003] During the production and processing of printed circuit boards, the circuit boards need to be cleaned. During cleaning, a tray containing the circuit boards is placed inside the working chamber. Cleaning agent is sprayed onto the outer surface of the circuit boards using nozzles that can move on both sides inside, which can dissolve and remove dirt. Then, the circuit boards are dried by heating or blowing air. However, this cleaning method, which relies solely on the movement of nozzles on both sides, is difficult to thoroughly clean the circuit boards that are hidden inside. In order to increase the rinsing effect on the internal circuit boards, the rinsing time needs to be extended, which adds to the overall cleaning time.

[0004] In view of this, we propose a printed circuit board cleaning and drying device. Utility Model Content

[0005] The purpose of this invention is to provide a printed circuit board cleaning and drying device to solve the problems mentioned in the background art.

[0006] In view of this, the present invention provides a printed circuit board cleaning and drying device, including a housing, a working chamber provided inside the housing, a track fixedly installed on the inner wall of the working chamber, a bracket slidably connected inside the track, a support frame installed outside the support frame, and a bracket placed inside the support frame. The inner wall of the working chamber is fixedly installed with a second track, the inside of the second track is rotatably connected with a threaded rod, the outer surface of the threaded rod is threadedly connected with a support plate, the lower surface of the support plate is fixedly installed with a mounting bracket, and the outside of the mounting bracket is installed with a first nozzle. A fixing frame is fixedly installed on the outer surface of the mounting bracket, a support mechanism is provided inside the fixing frame, and a second nozzle is installed on the outside of the support mechanism.

[0007] In this technical solution, the circuit board is placed outside the bracket, and then the bracket and support frame are pushed into the working chamber. At this time, the external sealing door is closed, and the mounting frame is moved horizontally by the threaded rod and the external drive motor. The cleaning fluid is sprayed onto the outside of the circuit board through the pipe via nozzle one. The circuit board is rinsed by the cross spray of nozzle one. At the same time, another part of the cleaning fluid is sprayed out above the circuit board via nozzle two. The position of nozzle two can be adjusted by the support mechanism to move nozzle two left and right, so as to dynamically rinse the circuit board.

[0008] In the above technical solution, the support frame is a U-shaped stainless steel structure, and the support frame is provided with upper and lower layers and multiple sets of brackets.

[0009] In this technical solution, the support frame is hollow inside and has a base plate to support the bracket. The rollers inside the support frame can control the bracket to move in and out of the shell.

[0010] In the above technical solution, both the first nozzle and the second nozzle are connected by external hoses, the adjacent first nozzles have different orientations, and the first nozzles and the mounting bracket are distributed front and back on the outside of the support frame.

[0011] In this technical solution, adjacent nozzles are arranged at an angle, and the circuit board can be rinsed from both the left and right positions using two sets of mutually movable mounting brackets.

[0012] In the above technical solution, a recovery chamber is provided at the bottom of the working chamber, and a drying fan is provided at the top of the working chamber and controlled by an external controller.

[0013] In this technical solution, a collection bucket, a filter assembly, and a circulation assembly are installed at the bottom of the recovery chamber, which can process and reuse the recovered cleaning liquid. After rinsing, a drying fan can be used to dry the internal circuit board.

[0014] In the above technical solution, the second nozzle is further arranged vertically outside the fixed frame, and multiple sets of second nozzles are distributed above each set of brackets.

[0015] In this technical solution, the second nozzle is positioned above the circuit board and moves with the mounting bracket, enabling the circuit board to be rinsed from above.

[0016] In the above technical solution, the support mechanism further includes a positioning rod, the outer surface of which is slidably connected to the interior of the fixed frame, a movable plate is fixedly installed at one end of the positioning rod, and the second nozzle is installed on the outside of the movable plate.

[0017] In this technical solution, the positioning rod can support one end of the moving plate to ensure the stable operation of the second nozzle.

[0018] In the above technical solution, furthermore, an electric push rod is installed inside the fixed frame, and the output end of the electric push rod is fixedly installed to one end of the moving plate.

[0019] In this technical solution, the reciprocating movement of the output end of the electric push rod can control the moving plate to move left and right, and the moving plate can control multiple sets of nozzles to move left and right.

[0020] The beneficial effects of this utility model are: 1. This printed circuit board cleaning and drying device, through the cooperation between the support mechanism, nozzle one and nozzle two, allows nozzle one to spray cleaning onto the circuit board on the bracket from both sides. At the same time, nozzle two can move with the mounting frame to rinse the printed circuit board from above. Under the control of the support mechanism, multiple sets of nozzle two can move left and right to change their positions, thereby changing the spray position and realizing the function of multi-angle dynamic cleaning of the printed circuit board, which helps to reduce the overall cleaning time.

[0021] 2. This printed circuit board cleaning and drying device, by setting up components such as electric push rods and positioning rods, allows the positioning rods to support one end of the moving plate, and the output end of the electric push rods to stably support the moving plate. At this time, the reciprocating movement of the output end of the electric push rods can control the movement of the second nozzle, enabling rapid adjustment and control of the position of the second nozzle. Attached Figure Description

[0022] Figure 1 This is a schematic diagram of the overall structure of this utility model; Figure 2 This is a schematic diagram of the support frame structure in this utility model; Figure 3 This is a schematic diagram of the mounting bracket structure in this utility model; Figure 4 In this utility model Figure 3 A magnified view of a portion of the image; Figure 5 This is a schematic diagram of the support mechanism structure in this utility model.

[0023] The markings in the diagram are as follows: 1. Shell; 2. Working chamber; 3. Track 1; 4. Bracket; 5. Support frame; 6. Bracket; 7. Track 2; 8. Threaded rod; 9. Support plate; 10. Mounting bracket; 11. Nozzle 1; 12. Fixing frame; 13. Support mechanism; 1301. Positioning rod; 1302. Moving plate; 1303. Electric push rod; 14. Nozzle 2; 15. Recovery chamber; 16. Drying fan. Detailed Implementation

[0024] The following is in conjunction with the appendix Figures 1-5This application will be described in further detail.

[0025] In this application, the terms "upper," "lower," "left," "right," "front," "rear," "top," "bottom," "inner," "outer," "middle," "vertical," and "horizontal," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. These terms are primarily for the purpose of better describing this application and its embodiments, and are not intended to limit the indicated device, element, or component to having a specific orientation, or to be constructed and operated in a specific orientation.

[0026] Example 1: This example provides a printed circuit board cleaning and drying device, including a housing 1, a working chamber 2 inside the housing 1, a track 3 fixedly installed on the inner wall of the working chamber 2, a bracket 4 slidably connected inside the track 3, a support frame 5 installed outside the support frame 4, and a bracket 6 placed inside the support frame 5. The inner wall of the working chamber 2 is fixedly installed with a second track 7. The inside of the second track 7 is rotatably connected with a threaded rod 8. The outer surface of the threaded rod 8 is threadedly connected with a support plate 9. The lower surface of the support plate 9 is fixedly installed with a mounting bracket 10. The outside of the mounting bracket 10 is installed with a nozzle 11. A mounting bracket 12 is fixedly installed on the outer surface of the mounting bracket 10. A support mechanism 13 is provided inside the mounting bracket 12, and a nozzle 14 is installed on the outside of the support mechanism 13.

[0027] The circuit board is placed outside the bracket 6, and then the bracket 4 and support frame 5 are pushed into the working chamber 2. At this time, the external sealing door is closed, and the mounting frame 10 is moved horizontally by the threaded rod 8 and the external drive motor. The cleaning fluid is sprayed onto the outside of the circuit board through the pipe via the nozzle 11. The circuit board is rinsed by the cross spray of the nozzle 11. At this time, another part of the cleaning fluid is sprayed out above the circuit board through the nozzle 2 14. The position of the nozzle 2 14 can be adjusted by the support mechanism 13 to move the nozzle 2 14 left and right, so as to dynamically rinse the circuit board.

[0028] Example 2: This example provides a printed circuit board cleaning and drying device. In addition to the technical solutions of the above examples, it also has the following technical features: the support frame 5 is a U-shaped stainless steel structure, and the support frame 5 is provided with upper and lower layers and multiple sets of brackets 6 are placed on it.

[0029] The support frame 5 is hollow inside and has a base plate to support the bracket 6. The bracket 6 bracket 4 is installed inside the support frame 5. Multiple sets of flexible hoses are installed on the outside of the bracket 6 to separate and position the circuit board. The rollers inside the bracket 4 can control the bracket 6 to move in and out of the housing 1.

[0030] Example 3: This example provides a printed circuit board cleaning and drying device. In addition to the technical solutions of the above examples, it also has the following technical features: both nozzle 11 and nozzle 2 14 are connected by external hoses, the adjacent nozzles 11 have different orientations, and the nozzles 11 and the mounting bracket 10 are distributed in front and behind outside the support frame 5.

[0031] The adjacent nozzles 11 are arranged at an angle, so the cleaning liquid sprayed from the nozzles 11 can be sprayed onto the outside of the circuit board at different angles, resulting in a better cleaning effect. The circuit board can be rinsed from both the left and right positions by using two sets of mutually movable mounting brackets 10.

[0032] Example 4: This example provides a printed circuit board cleaning and drying device. In addition to the technical solutions of the above examples, it also has the following technical features: a recovery chamber 15 is provided at the bottom of the working chamber 2, and a drying fan 16 is provided at the top of the working chamber 2 and controlled by an external controller.

[0033] The bottom of the recovery chamber 15 is equipped with a collection bucket, a filter assembly, and a circulation assembly, which can process and reuse the recovered cleaning fluid. After rinsing, the internal circuit board can be dried using the drying fan 16.

[0034] Example 5: This example provides a printed circuit board cleaning and drying device. In addition to the technical solutions of the above examples, it also has the following technical features: the nozzles 2 14 are vertically arranged outside the fixed frame 12, and multiple sets of nozzles 2 14 are distributed above each set of brackets 6.

[0035] The second nozzle 14 is positioned above the circuit board and moves with the mounting bracket 10, enabling it to rinse the circuit board from above, resulting in a better rinsing effect compared to rinsing from a single location.

[0036] Example 6: This example provides a printed circuit board cleaning and drying device. In addition to the technical solutions of the above examples, it also has the following technical features: the support mechanism 13 includes a positioning rod 1301. The outer surface of the positioning rod 1301 is slidably connected to the inside of the fixed frame 12. A movable plate 1302 is fixedly installed at one end of the positioning rod 1301. The nozzle 2 14 is installed on the outside of the movable plate 1302.

[0037] The positioning rod 1301 can support one end of the moving plate 1302, and the other end of the positioning rod 1301 is provided with a locking plate, which can limit one end of the positioning rod 1301. With the support of one end of the positioning rod 1301, the moving plate 1302 can move stably inside the fixed frame 12, ensuring the stable operation of the nozzle 14.

[0038] Example 7: This example provides a printed circuit board cleaning and drying device. In addition to the technical solutions of the above examples, it also has the following technical features: an electric push rod 1303 is installed inside the fixed frame 12, and the output end of the electric push rod 1303 is fixedly installed with one end of the moving plate 1302.

[0039] The reciprocating movement of the output end of the electric push rod 1303 can control the moving plate 1302 to move left and right. At this time, the moving plate 1302 can control multiple sets of nozzles 14 to move left and right. By changing the rinsing position of the rinsing liquid by moving multiple sets of nozzles 14, the rinsing of hard-to-reach internal areas can be rinsed without adding extra rinsing time, thus reducing the overall rinsing time.

[0040] Working principle: During rinsing, the circuit board is placed inside the bracket 6 and then inserted into the working chamber 2. The mounting frame 10 is controlled to move back and forth. At this time, the cross-arranged nozzles 11 can move and rinse the circuit board. The nozzles 14 above the circuit board can move back and forth for dynamic cleaning. During cleaning, the output end of the electric push rod 1303 moves back and forth, which can control the moving plate 1302 to move left and right inside the fixed frame 12, and can control the nozzles 14 to move left and right to change position, realizing multi-position dynamic rinsing of the circuit board. After rinsing, the drying component can be used for drying.

[0041] The embodiments of this application have been described above with reference to the accompanying drawings. Unless otherwise specified, the embodiments and features in the embodiments of this application can be combined with each other. This application is not limited to the specific embodiments described above. The specific embodiments described above are merely illustrative and not restrictive. Those skilled in the art can make many other forms under the guidance of this application without departing from the spirit and scope of the claims, and all of these forms are within the protection scope of this application.

Claims

1. A printed circuit board cleaning and drying device, comprising a housing (1), characterized in that, The housing (1) has a working cavity (2) inside. A track (3) is fixedly installed on the inner wall of the working cavity (2). A bracket (4) is slidably connected inside the track (3). A support frame (5) is installed on the outside of the support frame (4). A bracket (6) is placed inside the support frame (5). The inner wall of the working chamber (2) is fixedly installed with a second track (7), and a threaded rod (8) is rotatably connected inside the second track (7). A support plate (9) is threadedly connected to the outer surface of the threaded rod (8). A mounting bracket (10) is fixedly installed on the lower surface of the support plate (9), and a nozzle (11) is installed on the outside of the mounting bracket (10). A fixing frame (12) is fixedly installed on the outer surface of the mounting frame (10). A support mechanism (13) is provided inside the fixing frame (12). A nozzle (14) is installed on the outside of the support mechanism (13).

2. The printed circuit board cleaning and drying device according to claim 1, characterized in that, The support frame (5) is a U-shaped stainless steel structure, and the support frame (5) is provided with upper and lower layers and multiple sets of brackets (6) are placed there.

3. The printed circuit board cleaning and drying device according to claim 1, characterized in that, The first nozzle (11) and the second nozzle (14) are both connected by external hoses. The adjacent first nozzles (11) have different orientations. The first nozzles (11) and the mounting bracket (10) are distributed in front and behind outside the support frame (5).

4. The printed circuit board cleaning and drying device according to claim 1, characterized in that, The bottom of the working chamber (2) is provided with a recovery chamber (15), and the top of the working chamber (2) is provided with a drying fan (16) and controlled by an external controller.

5. A printed circuit board cleaning and drying device according to claim 1, characterized in that, The nozzles (14) are arranged vertically outside the fixed frame (12), and multiple sets of nozzles (14) are distributed above each set of brackets (6).

6. The printed circuit board cleaning and drying apparatus according to claim 1, characterized in that, The support mechanism (13) includes a positioning rod (1301), the outer surface of which is slidably connected to the inside of the fixed frame (12), and a movable plate (1302) is fixedly installed at one end of the positioning rod (1301). The second nozzle (14) is installed on the outside of the movable plate (1302).

7. A printed circuit board cleaning and drying apparatus according to claim 6, characterized in that, An electric push rod (1303) is installed inside the fixed frame (12), and the output end of the electric push rod (1303) is fixedly installed at one end of the moving plate (1302).

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