Cleaning device for PCB production

By designing a combined device of flushing, water absorption and drying components, the problem of water droplets remaining after flushing the PCB board is solved, efficient cleaning and drying effects are achieved, and production efficiency is improved.

CN223452177UActive Publication Date: 2025-10-17SICHUAN ZHENMAI INTELLIGENT TECH CO LTD
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Patent Information

Application Number
CN202422899895.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-27
Publication Date
2025-10-17
Estimated Expiration
2034-11-27

AI Technical Summary

Technical Problem

After washing, water droplets remain on the surface of existing PCB boards, and the air drying efficiency is low.

Method used

A cleaning device consisting of a flushing part, a water absorption part and a drying part is designed. A roller conveyor and a nozzle are used to flush the PCB board, a water absorption cylinder absorbs water, and an air dryer dries the PCB board, thereby achieving simultaneous cleaning of the upper and lower surfaces.

Benefits of technology

Improves the cleaning efficiency of PCB boards, ensures that the upper and lower surfaces are dried at the same time, avoids cleaning dead corners, and recycles water after absorbing water.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN223452177U_ABST
    Figure CN223452177U_ABST
Patent Text Reader

Abstract

The utility model discloses a cleaning device for PCB (printed circuit board) production, which comprises a washing part, a water absorption part and a drying part, the washing part comprises a roller conveyor and a washing pipeline, the washing pipeline is arranged in the middle of the roller conveyor, and a spray head is arranged on the washing pipeline; the water absorption part comprises a first water absorption cylinder, a second water absorption cylinder and a support, the first water absorption cylinder is rotationally arranged at the output end of the roller conveyor, the top side of the first water absorption cylinder is flush with the top side of a roller of the roller conveyor, driving equipment is arranged on the side wall of the roller conveyor, and the support is arranged on the roller conveyor and corresponds to the top of the first water absorption cylinder; the second water absorption cylinder is rotationally arranged on the bracket; water absorption layers are arranged on the outer sides of the first water absorption cylinder and the second water absorption cylinder; the drying part comprises a double-rail connection table and an air dryer, and the air dryer faces the position between rails of the double-rail connection table. According to the cleaning device for PCB production, moisture can be conveniently absorbed after a PCB is washed, then air drying operation is carried out, and the cleaning efficiency is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the field of PCB board production, in particular to a cleaning device for PCB board production. BACKGROUND

[0002] The existing PCB board surface cleaning machine adopts the mode of flushing to clean the PCB board, and then uses the air dryer to dry after flushing, but the PCB board surface after flushing is easy to have more water droplets, and the direct drying efficiency is low. UTILITY MODEL CONTENTS

[0003] In view of the above problems, the utility model provides a cleaning device for PCB board production, which is convenient for sucking water after flushing the PCB board, then drying, and improving the cleaning efficiency.

[0004] The technical scheme of the utility model is as follows:

[0005] A cleaning device for PCB board production, comprising:

[0006] The flushing part comprises a roller conveyor and a flushing pipeline, the flushing pipeline is arranged in the middle part of the roller conveyor, a spray head is arranged on the flushing pipeline, and the tail end of the spray head is aligned with the two rollers of the roller conveyor; the bottom of the roller conveyor is provided with a water outlet;

[0007] The water suction part comprises a first water suction cylinder, a second water suction cylinder and a support, the first water suction cylinder is rotatably arranged at the output end of the roller conveyor, the top side of the first water suction cylinder is flush with the top side of the roller of the roller conveyor, a driving device for driving the first water suction cylinder to rotate is arranged on the side wall of the roller conveyor, the support is arranged at the top of the first water suction cylinder corresponding to the roller conveyor, the second water suction cylinder is rotatably arranged on the support and is parallel to the first water suction cylinder; the outer sides of the first water suction cylinder and the second water suction cylinder are provided with water suction layers;

[0008] The drying part comprises a double-track connecting table and an air dryer, the air dryer is arranged in the middle part of the double-track connecting table, and the air outlet direction faces between the tracks of the double-track connecting table.

[0009] In a further technical scheme, the flushing pipeline comprises a main pipe, a first branch pipe and a second branch pipe, the spray heads are arranged on the first branch pipe and the second branch pipe respectively, one end of the main pipe is connected with a water source, the other end is communicated with the first branch pipe and the second branch pipe, a pipe rack is arranged on the top side of the middle part of the roller conveyor, the first branch pipe is horizontally arranged on the pipe rack, and the second branch pipe is horizontally arranged on the bottom of the roller of the roller conveyor.

[0010] In a further technical scheme, the air dryer comprises two, which are arranged on the top and bottom of the track of the double-track connecting table respectively.

[0011] In a further technical solution, the spray head comprises at least four, which are uniformly spaced on the first branch pipe and the second branch pipe.

[0012] In a further technical solution, the water absorption layer is a sponge material.

[0013] In a further technical solution, the support comprises a lifting frame and a mounting frame, the lifting frame is provided with an electric telescopic rod, the mounting frame is arranged at the bottom end of the electric telescopic rod, and the second water absorption cylinder is rotatably arranged on the mounting frame.

[0014] In a further technical solution, the bottom of the roller conveyor is funnel-shaped, and the water outlet is arranged in the middle of the bottom of the roller conveyor.

[0015] In a further technical solution, the bottom of the water outlet is provided with a water collecting tank, and the top of the water collecting tank is open.

[0016] The beneficial effects of the utility model are:

[0017] 1. The roller conveyor can convey the PCB, the spray head of the flushing pipeline can spray water between the two rollers during the conveying process, the passing PCB is washed, the driving device can continuously rotate the first water absorption cylinder, the washed PCB can pass between the first water absorption cylinder and the second water absorption cylinder, the water absorption layer absorbs the residual water on the surface of the PCB during passing, the PCB moves to the double-track connecting platform through the water absorption part, and the PCB can be dried by the air dryer, and the dried PCB after water absorption has high drying efficiency.

[0018] 2. The flushing pipeline can flush the upper and lower surfaces of the PCB through the first branch pipe and the second branch pipe, and the air dryer can dry the upper and lower surfaces of the PCB at the same time, so that the cleaning efficiency is further improved.

[0019] 3. The uniformly distributed spray head has a large cleaning range and is not easy to have a cleaning dead angle.

[0020] 4. The second water absorption cylinder can be lowered by the electric telescopic rod to form extrusion with the first water absorption cylinder, so that the excess water is extruded after the sponge material water absorption layer absorbs water, and the subsequent water absorption effect is ensured.

[0021] 5. The flushing water and the water extruded by the water absorption part can enter the water collecting tank through the water outlet for recycling. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 is a front view cross-sectional schematic view of the cleaning device for PCB production according to an embodiment of the utility model;

[0023] Figure 2 is a side view schematic view of the flushing part according to an embodiment of the utility model;

[0024] Figure 3 It is a structural schematic diagram of the second water suction cylinder and the bracket in an embodiment of the utility model.

[0025] Description of reference numerals:

[0026] 10. Roller conveyor; 11. Water outlet; 21. Main pipe; 22. First branch pipe; 23. Second branch pipe; 24. Nozzle; 25. Pipe rack; 31. First water suction cylinder; 32. Second water suction cylinder; 33. Water absorption layer; 34. Lifting frame; 35. Mounting frame; 36. Electric telescopic rod; 41. Double-track docking station; 42. Air dryer. DETAILED DESCRIPTION

[0027] The embodiments of the present invention will be further described below with reference to the accompanying drawings.

[0028] Example:

[0029] like Figures 1-3 As shown, a cleaning device for PCB board production includes a flushing part, a water absorption part and a drying part. The flushing part includes a roller conveyor 10 and a flushing pipe. The flushing pipe is arranged in the middle of the roller conveyor 10. A nozzle 24 is provided on the flushing pipe. The end of the nozzle 24 is aligned between the two rollers of the roller conveyor 10. The flushing pipe includes a main pipe 21, a first branch pipe 22 and a second branch pipe 23. The nozzles 24 are respectively arranged on the first branch pipe 22 and the second branch pipe 23. One end of the main pipe 21 is connected to a water source, and the other end can be connected to the first branch pipe 22 and the second branch pipe 23 through a three-way joint. A pipe rack 25 is arranged on the top side of the middle part of the roller conveyor 10. The first branch pipe 22 is horizontally arranged on the pipe rack 25, and the second branch pipe 23 is horizontally arranged at the bottom of the roller of the roller conveyor 10; a water outlet 11 is provided at the bottom of the roller conveyor 10; the water absorption part includes It includes a first water absorption cylinder 31, a second water absorption cylinder 32 and a bracket. The first water absorption cylinder 31 is rotatably arranged at the output end of the roller conveyor 10. The top side of the first water absorption cylinder 31 is flush with the top side of the roller of the roller conveyor 10. A driving device (not shown in the figure) for driving the first water absorption cylinder 31 to rotate is provided on the side wall of the roller conveyor 10. The driving device is a motor. The bracket is provided on the top of the roller conveyor 10 corresponding to the first water absorption cylinder 31. The second water absorption cylinder 32 is rotatably arranged on the bracket and is parallel to the first water absorption cylinder 31; a water absorption layer 33 is provided on the outside of the first water absorption cylinder 31 and the second water absorption cylinder 32; the drying section includes a double-track docking platform 41 and an air dryer 42. The air dryer 42 is provided in the middle of the double-track docking platform 41, and includes two, which are respectively provided at the top and bottom of the track of the double-track docking platform 41, and the air outlet direction is toward the track between the tracks of the double-track docking platform 41.

[0030] The working principle of the above technical solution is as follows:

[0031] After the PCB to be cleaned is input onto the roller conveyor 10, the main pipe 21 can be connected to a water source, water flows from the main pipe 21 into the first branch pipe 22 and the second branch pipe 23 respectively, and flows out from the spray head 24, the first branch pipe 22 on the pipe rack 25 can wash the top surface of the passing PCB, the roller conveyor 10 has a gap between the rollers, the second branch pipe 23 at the bottom of the roller can wash the bottom surface of the passing PCB through the gap; the driving device can continuously rotate the first water absorption cylinder 31, the washed PCB can pass between the first water absorption cylinder 31 and the second water absorption cylinder 32, the water absorption layer 33 absorbs the residual water on the surface of the PCB when the PCB passes, and the PCB moves to the double-track connection table 41 after passing the water absorption part, and the air dryer 42 can dry both surfaces of the PCB.

[0032] In another embodiment, as shown in Figure 2 the bottom side of the first branch pipe 22 and the top side of the second branch pipe 23 are each uniformly spaced with six spray heads 24.

[0033] The uniformly distributed spray heads 24 have a larger cleaning range and are less likely to have a cleaning dead angle.

[0034] In another embodiment, as shown in Figure 1 and Figure 3 the water absorption layer 33 is made of sponge material; the support includes a lifting frame 34 and a mounting frame 35, the lifting frame 34 is provided with an electric telescopic rod 36, the mounting frame 35 is arranged at the bottom end of the electric telescopic rod 36, and the second water absorption cylinder 32 is rotatably arranged on the mounting frame 35.

[0035] The second water absorption cylinder 32 can be lowered by the electric telescopic rod 36 to form extrusion with the first water absorption cylinder 31, so that the excess water can be squeezed out after the sponge material water absorption layer 33 absorbs water, thereby ensuring the subsequent water absorption effect.

[0036] In another embodiment, as shown in Figures 1-2 the bottom of the roller conveyor 10 is funnel-shaped, and the water outlet 11 is arranged at the middle of the bottom of the roller conveyor 10; the bottom of the water outlet 11 is provided with a water collecting tank, the top of the water collecting tank is open, and a drain pipe can be arranged at the bottom of the water collecting tank.

[0037] The funnel-shaped bottom can collect the washing water and the water squeezed out by the water absorption part from the water outlet 11 and into the water collecting tank.

[0038] The above-described embodiments only express the specific implementation of the present application, and the description is more specific and detailed, but it cannot be understood as a limitation on the scope of the present application. It should be noted that for ordinary skilled persons in the art, without departing from the concept of the present application, a number of modifications and improvements can be made, which are within the scope of protection of the present application.

Claims

1. A cleaning device for PCB production, characterized in that: include: The flushing part includes a roller conveyor and a flushing pipe. The flushing pipe is arranged in the middle of the roller conveyor. A nozzle is provided on the flushing pipe. The end of the nozzle is aligned between the two rollers of the roller conveyor. A water outlet is provided at the bottom of the roller conveyor. The water absorption part includes a first water absorption cylinder, a second water absorption cylinder and a bracket. The first water absorption cylinder is rotatably arranged at the output end of the roller conveyor. The top side of the first water absorption cylinder is flush with the top side of the roller of the roller conveyor. A driving device for driving the first water absorption cylinder to rotate is provided on the side wall of the roller conveyor. The bracket is provided on the roller conveyor corresponding to the top of the first water absorption cylinder. The second water absorption cylinder is rotatably arranged on the bracket and is parallel to the first water absorption cylinder. The outer sides of the first and second water absorption cylinders are provided with water absorption layers. The drying section includes a double-track docking platform and an air dryer. The air dryer is arranged in the middle of the double-track docking platform, and the air outlet direction is toward the space between the tracks of the double-track docking platform.

2. A PCB production cleaning device according to claim 1, characterized in that: The flushing pipe includes a main pipe, a first branch pipe and a second branch pipe, and the nozzles are respectively arranged on the first branch pipe and the second branch pipe. One end of the main pipe is connected to the water source, and the other end is connected to the first branch pipe and the second branch pipe. A pipe rack is provided on the top side of the middle part of the roller conveyor, the first branch pipe is horizontally arranged on the pipe rack, and the second branch pipe is horizontally arranged at the bottom of the roller of the roller conveyor.

3. A PCB production cleaning device according to claim 1, characterized in that: The air dryers include two, which are respectively arranged at the top and bottom of the track of the double-track docking platform.

4. A cleaning device for PCB production according to claim 2, characterized in that: The nozzles include at least four nozzles, which are evenly spaced and arranged on the first branch pipe and the second branch pipe respectively.

5. A PCB production cleaning device according to claim 1, characterized in that: The water absorbing layer is made of sponge material.

6. A cleaning device for PCB production according to claim 5, characterized in that: The bracket includes a lifting frame and a mounting frame. The lifting frame is provided with an electric telescopic rod. The mounting frame is arranged at the bottom end of the electric telescopic rod. The second water suction cylinder is rotatably arranged on the mounting frame.

7. A cleaning device for PCB production according to claim 1, characterized in that: The bottom of the roller conveyor is funnel-shaped, and the water outlet is arranged in the middle of the bottom of the roller conveyor.

8. A cleaning device for PCB production according to claim 7, characterized in that: A water collecting box is provided at the bottom of the water outlet, and the top of the water collecting box is open.