PCB soldering flux cleaning mechanism

Abstract

The utility model relates to the technical field of PCB (Printed Circuit Board) soldering flux cleaning, in particular to a PCB soldering flux cleaning mechanism, which improves the quality and the efficiency of cleaning soldering flux on a PCB and is convenient for adjusting the flow speed and the pressure of a cleaning agent. Comprising a transportation mechanism; the PCB conveying device comprises a conveying mechanism and further comprises a cleaning mechanism, a heating mechanism, an alarm mechanism, an adjusting mechanism and a driving mechanism, the cleaning mechanism is installed on the conveying mechanism, the heating mechanism is installed in the cleaning mechanism, the alarm mechanism is installed on the outer wall of the cleaning mechanism, the adjusting mechanism is installed on the cleaning mechanism, and the driving mechanism is installed on the adjusting mechanism. The cleaning mechanism sprays a cleaning agent on a PCB, the heating mechanism heats the cleaning agent in the cleaning mechanism, the alarm mechanism detects the liquid level of the cleaning agent, and the driving mechanism drives the adjusting mechanism to adjust the spraying pressure and flow speed.

Description

Technical Field

[0001] The utility model relates to the technical field of cleaning soldering flux of a PCB board, in particular to a soldering flux cleaning mechanism of a PCB board. Background Art

[0002] PCB, full name Printed Circuit Board, is an indispensable basic component in modern electronic devices. PCB is a plate-like component based on conductive materials, insulating materials and other auxiliary materials, which connects electronic components into a specific circuit through a specific manufacturing process. It is usually composed of conductive lines, insulating substrates and electronic components, and is formed by laminating the wires, electronic components and other structures together through printing technology.

[0003] In the existing PCB board flux cleaning technology, for example, the prior art with application number CN201921649420.7, it includes a cleaning table, a transmission motor, a conveyor belt, a spray device, a nozzle, a water tank, a support rod, a baffle, a triangular inclined plate, a loading cart, a filter device and a leakage hole. When the PCB board is placed on the conveyor belt for transmission, the baffle can prevent the PCB board from falling out of the device, thereby reducing extra working time and improving work efficiency; the PCB board is conveyed to the cleaning table on the conveyor belt, with four angles and a full range of spray positions.

[0004] However, the prior art is not convenient for adjusting the pressure of the cleaning agent spraying, and the cleaning effect of the prior art is poor. Utility Model Content

[0005] In order to solve the above technical problems, the utility model provides a PCB board solder flux cleaning mechanism which improves the quality and efficiency of solder flux cleaning on the PCB board and is convenient for adjusting the flow rate and pressure of the cleaning agent.

[0006] The utility model discloses a solder flux cleaning mechanism for a PCB board, comprising a transport mechanism; a cleaning mechanism, a heating mechanism, an alarm mechanism, an adjusting mechanism and a driving mechanism, wherein the cleaning mechanism is installed on the transport mechanism, the heating mechanism is installed in the cleaning mechanism, the alarm mechanism is installed on the outer wall of the cleaning mechanism, the adjusting mechanism is installed on the cleaning mechanism, and the driving mechanism is installed on the adjusting mechanism; the PCB board is transported by the transport mechanism, the cleaning mechanism sprays the cleaning agent on the PCB board, the heating mechanism heats the cleaning agent in the cleaning mechanism, the alarm mechanism detects the liquid level of the cleaning agent, and the driving mechanism drives the adjusting mechanism to adjust the pressure and flow rate of the spraying; the PCB board is transported by the transport mechanism, the cleaning mechanism sprays the cleaning agent on the PCB board, the solder flux on the PCB board is cleaned, the heating mechanism heats the cleaning agent in the cleaning mechanism, and the cleaning efficiency and quality are improved; the alarm mechanism detects the liquid level of the cleaning agent to remind the operator to supplement the technology, and the driving mechanism drives the adjusting mechanism to adjust the pressure and flow rate of the spraying, thereby improving the practicality.

[0007] Preferably, the transport mechanism includes a base plate, a drive frame and transport rollers, the drive frame is mounted on the base plate, the transport rollers are rotatably mounted on the drive frame, and a motor and a chain are arranged in the drive frame; the PCB board is transported by turning on the transmission of the motor and chain in the drive frame to drive the transport rollers to rotate.

[0008] Preferably, the cleaning mechanism includes a storage box, a cleaning box, a water pump, a pipe, a water distribution pipe, a nozzle and a filter plate. The storage box is installed on the bottom plate, the storage box is located at the top of the transport roller, the cleaning box is installed on the outer wall of the drive frame, the water pump is installed on the outer wall of the storage box, the pipe connects the water pump and the cleaning box, the water distribution pipe is installed on the inner wall of the cleaning box, the water distribution pipe is connected to the pipe, the nozzle is installed on the water distribution pipe, and the filter plate is installed on the inner wall of the storage box; first, the cleaning agent is added to the storage box, the cleaning agent is added to the water distribution pipe through the pipe by turning on the water pump, the cleaning agent is sprayed on the PCB board through the nozzle, and then the PCB board is cleaned, and the refluxed cleaning agent is filtered through the filter plate.

[0009] Preferably, the heating mechanism includes an insulation box and a heating wire, the insulation box is installed on the side wall of the storage box, the heating wire is installed in the insulation box, and a temperature sensor is arranged in the storage box; the cleaning agent in the bottom plate is heated by turning on the heating wire to improve the quality and efficiency of PCB board cleaning, and the temperature of the cleaning agent is detected by the temperature sensor in the storage box.

[0010] Preferably, the alarm mechanism includes a sliding cylinder, a filter, a buoyancy sliding plate, a proximity switch and a buzzer, the sliding cylinder is installed on the inner wall of the storage box, the filter is installed on the side wall of the sliding cylinder, the buoyancy sliding plate is installed in the sliding cylinder by buoyancy sliding, the proximity switch is installed at the bottom end of the sliding cylinder, and the buzzer is installed on the outer wall of the storage box; when the cleaning agent in the storage box is reduced, the buoyancy sliding plate slides in the sliding cylinder through buoyancy, and then the buoyancy sliding plate approaches the proximity switch, and the proximity switch sends an electrical signal to control the buzzer alarm, reminding the operator to come for replenishment.

[0011] Preferably, the adjusting mechanism includes an adjusting cylinder, a fixed feed plate, a rotating feed plate, a bevel gear ring and a bevel gear. The adjusting cylinder is installed on the pipeline, the fixed feed plate is installed on the inner wall of the adjusting cylinder, the rotating feed plate is rotatably installed on the inner wall of the adjusting cylinder, the fixed feed plate and the rotating feed plate are provided with feed holes, the bevel gear ring is installed on the top of the rotating feed plate, the bevel gear is rotatably installed on the side wall of the adjusting cylinder through a rotating shaft, and the bevel gear ring is meshed with the bevel gear; the bevel gear is driven to rotate by opening the driving mechanism, and then the rotating feed plate is driven to rotate through the meshing relationship, and the flow rate and pressure of the cleaning agent are adjusted by the overlap of the feed holes of the fixed feed plate and the rotating feed plate.

[0012] Preferably, the driving mechanism includes a driving box, a turbine and a worm gear, the driving box is mounted on the outer wall of the adjusting cylinder, the turbine is mounted on the rotating shaft of the bevel gear, the worm gear is rotatably mounted on the inner wall of the driving box, and the worm gear is meshed with the turbine; by rotating the worm gear, the bevel gear is driven to rotate due to the meshing relationship, and then the rotating feed plate is driven to rotate through the meshing relationship, and the flow rate and pressure of the cleaning agent are adjusted by the overlap size of the feed holes of the fixed feed plate and the rotating feed plate.

[0013] Compared with the prior art, the utility model has the following beneficial effects: the PCB board is transported by the transport mechanism, the cleaning mechanism sprays the cleaning agent on the PCB board to clean the solder flux on the PCB board, the heating mechanism heats the cleaning agent in the cleaning mechanism to improve the cleaning efficiency and quality, the alarm mechanism detects the liquid level of the cleaning agent to remind the operator to supplement the technology, and the driving mechanism drives the regulating mechanism to adjust the spraying pressure and flow rate, thereby improving the practicality. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0015] Figure 2 It is a second axonometric structural schematic diagram of the utility model;

[0016] Figure 3 It is a front-view cross-sectional axonometric structural schematic diagram of the utility model;

[0017] Figure 4It is a front cross-sectional structural schematic diagram of the utility model;

[0018] Figure 5 It is a first side cross-sectional structural schematic diagram of the utility model;

[0019] Figure 6 It is a second side cross-sectional structural schematic diagram of the utility model;

[0020] Figure 7 It is a schematic diagram of the axonometric structure of the utility model when viewed from above;

[0021] Figure 8 The utility model Figure 3 A schematic diagram of the enlarged structure at A in the middle;

[0022] Markings in the attached drawings: 01, transport mechanism; 11, bottom plate; 12, drive frame; 13, transport roller; 02, cleaning mechanism; 21, storage box; 22, cleaning box; 23, water pump; 24, pipeline; 25, water distribution pipe; 26, nozzle; 27, filter plate; 03, heating mechanism; 31, insulation box; 32, heating wire; 04, alarm mechanism; 41, sliding cylinder; 42, filter net; 43, buoyancy sliding plate; 44, proximity switch; 45, buzzer; 05, adjustment mechanism; 51, adjustment cylinder; 52, fixed feeding plate; 53, rotating feeding plate; 54, bevel gear ring; 55, bevel gear; 06, drive mechanism; 61, drive box; 62, turbine; 63, worm rod. DETAILED DESCRIPTION

[0023] In order to facilitate the understanding of the utility model, the utility model will be described more comprehensively below with reference to the relevant drawings. The utility model can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the utility model more thorough and comprehensive.

[0024] Example 1

[0025] like Figures 1 to 7 As shown, a PCB board solder flux cleaning mechanism includes a transport mechanism 01, a cleaning mechanism 02, a heating mechanism 03, an alarm mechanism 04, an adjustment mechanism 05 and a driving mechanism 06, wherein the cleaning mechanism 02 is installed on the transport mechanism 01, the heating mechanism 03 is installed in the cleaning mechanism 02, the alarm mechanism 04 is installed on the outer wall of the cleaning mechanism 02, the adjustment mechanism 05 is installed on the cleaning mechanism 02, and the driving mechanism 06 is installed on the adjustment mechanism 05;

[0026] The PCB board is transported by the transport mechanism 01, the cleaning mechanism 02 sprays the cleaning agent on the PCB board, the heating mechanism 03 heats the cleaning agent in the cleaning mechanism 02, the alarm mechanism 04 detects the liquid level of the cleaning agent, and the driving mechanism 06 drives the regulating mechanism 05 to adjust the spraying pressure and flow rate;

[0027] The transport mechanism 01 includes a base plate 11, a driving frame 12 and a transport roller 13. The driving frame 12 is mounted on the base plate 11. The transport roller 13 is rotatably mounted on the driving frame 12. A motor and a chain are arranged inside the driving frame 12.

[0028] The cleaning mechanism 02 includes a storage box 21, a cleaning box 22, a water pump 23, a pipeline 24, a water distribution pipe 25, a nozzle 26 and a filter plate 27. The storage box 21 is installed on the bottom plate 11, and the storage box 21 is located at the top of the transport roller 13. The cleaning box 22 is installed on the outer wall of the driving frame 12, the water pump 23 is installed on the outer wall of the storage box 21, the pipeline 24 connects the water pump 23 and the cleaning box 22, the water distribution pipe 25 is installed on the inner wall of the cleaning box 22, the water distribution pipe 25 is connected to the pipeline 24, the nozzle 26 is installed on the water distribution pipe 25, and the filter plate 27 is installed on the inner wall of the storage box 21;

[0029] The heating mechanism 03 includes a heat preservation box 31 and a heating wire 32. The heat preservation box 31 is installed on the side wall of the material storage box 21. The heating wire 32 is installed in the heat preservation box 31. A temperature sensor is arranged in the material storage box 21.

[0030] The alarm mechanism 04 includes a sliding cylinder 41, a filter screen 42, a buoyancy sliding plate 43, a proximity switch 44 and a buzzer 45. The sliding cylinder 41 is installed on the inner wall of the storage box 21, the filter screen 42 is installed on the side wall of the sliding cylinder 41, the buoyancy sliding plate 43 is installed in the sliding cylinder 41 by buoyancy sliding, the proximity switch 44 is installed at the bottom end of the sliding cylinder 41, and the buzzer 45 is installed on the outer wall of the storage box 21;

[0031] The PCB board is transported by turning on the motor and chain in the driving frame 12 to drive the transport roller 13 to rotate. First, the cleaning agent is added into the storage box 21. The cleaning agent is added into the water distribution pipe 25 through the pipeline 24 by turning on the water pump 23. The cleaning agent is sprayed on the PCB board through the nozzle 26 to complete the cleaning of the PCB board. The refluxed cleaning agent is filtered by the filter plate 27. The cleaning agent in the bottom plate 11 is heated by turning on the heating wire 32 to improve the quality and efficiency of PCB board cleaning. The temperature of the cleaning agent is detected by the temperature sensor in the storage box 21. When the cleaning agent in the storage box 21 is reduced, the buoyancy sliding plate 43 slides in the sliding cylinder 41 through buoyancy, and then the buoyancy sliding plate 43 approaches the proximity switch 44. The proximity switch 44 sends an electrical signal to control the buzzer 45 to alarm, reminding the operator to come for replenishment. The driving mechanism 06 drives the regulating mechanism 05 to adjust the pressure and flow rate of the spraying, thereby improving practicality.

[0032] Example 2

[0033] like Figure 6 and Figure 8 As shown, a PCB board solder flux cleaning mechanism includes a transport mechanism 01, a cleaning mechanism 02, a heating mechanism 03, an alarm mechanism 04, an adjustment mechanism 05 and a driving mechanism 06, wherein the cleaning mechanism 02 is installed on the transport mechanism 01, the heating mechanism 03 is installed in the cleaning mechanism 02, the alarm mechanism 04 is installed on the outer wall of the cleaning mechanism 02, the adjustment mechanism 05 is installed on the cleaning mechanism 02, and the driving mechanism 06 is installed on the adjustment mechanism 05;

[0034] The PCB board is transported by the transport mechanism 01, the cleaning mechanism 02 sprays the cleaning agent on the PCB board, the heating mechanism 03 heats the cleaning agent in the cleaning mechanism 02, the alarm mechanism 04 detects the liquid level of the cleaning agent, and the driving mechanism 06 drives the regulating mechanism 05 to adjust the spraying pressure and flow rate;

[0035] The adjusting mechanism 05 comprises an adjusting cylinder 51, a fixed feeding plate 52, a rotating feeding plate 53, a bevel gear ring 54 and a bevel gear 55. The adjusting cylinder 51 is mounted on the pipe 24, the fixed feeding plate 52 is mounted on the inner wall of the adjusting cylinder 51, the rotating feeding plate 53 is rotatably mounted on the inner wall of the adjusting cylinder 51, the fixed feeding plate 52 and the rotating feeding plate 53 are provided with feeding holes, the bevel gear ring 54 is mounted on the top of the rotating feeding plate 53, the bevel gear 55 is rotatably mounted on the side wall of the adjusting cylinder 51 through a rotating shaft, and the bevel gear ring 54 is meshed with the bevel gear 55;

[0036] The driving mechanism 06 includes a driving box 61, a turbine 62 and a worm 63. The driving box 61 is mounted on the outer wall of the adjusting cylinder 51, the turbine 62 is mounted on the rotating shaft of the bevel gear 55, and the worm 63 is rotatably mounted on the inner wall of the driving box 61, and the worm 63 is meshed with the turbine 62.

[0037] The PCB board is transported by the transport mechanism 01, the cleaning mechanism 02 sprays the cleaning agent on the PCB board to clean the flux on the PCB board, the heating mechanism 03 heats the cleaning agent in the cleaning mechanism 02 to improve the efficiency and quality of cleaning, the alarm mechanism 04 detects the liquid level of the cleaning agent to remind the operator to supplement the technology, and the worm 63 is rotated to drive the bevel gear 55 to rotate due to the meshing relationship, and then the rotating feed plate 53 is driven to rotate through the meshing relationship, and the flow rate and pressure of the cleaning agent are adjusted by the overlap of the feed holes of the fixed feed plate 52 and the rotating feed plate 53.

[0038] like Figures 1 to 8 As shown, a PCB solder flux cleaning mechanism of the utility model, when working, drives the transport roller 13 to rotate and transport the PCB by turning on the motor and chain in the driving frame 12, firstly, adds the cleaning agent into the storage box 21, turns on the water pump 23 to add the cleaning agent into the water distribution pipe 25 through the pipeline 24, sprays the cleaning agent on the PCB through the nozzle 26, and then completes the cleaning of the PCB, filters the refluxed cleaning agent through the filter plate 27, and heats the cleaning agent in the bottom plate 11 by turning on the heating wire 32, so as to improve the quality and efficiency of PCB cleaning, The temperature of the cleaning agent is detected by the temperature sensor in the storage box 21. When the cleaning agent in the storage box 21 decreases, the buoyancy sliding plate 43 slides in the sliding cylinder 41 through buoyancy, and then the buoyancy sliding plate 43 approaches the proximity switch 44. The proximity switch 44 sends an electrical signal to control the buzzer 45 to alarm, reminding the operator to come for replenishment. By rotating the worm 63, the bevel gear 55 is driven to rotate due to the meshing relationship, and then the rotating feed plate 53 is driven to rotate through the meshing relationship. The flow rate and pressure of the cleaning agent are adjusted by the overlap of the feed holes of the fixed feed plate 52 and the rotating feed plate 53.

[0039] The drive frame 12, water pump 23, proximity switch 44, buzzer 45 and heating wire 32 of the utility model are purchased on the market, and technicians in the industry only need to install and operate them according to the accompanying instruction manual, without the need for creative work by technicians in this field.

[0040] The main functions achieved by the utility model are: in the process of cleaning the solder flux on the PCB board, the quality and efficiency of cleaning the solder flux on the PCB board are improved, and the flow rate and pressure of the cleaning agent are adjusted conveniently.

[0041] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. A PCB solder flux cleaning mechanism, comprising a transport mechanism (01); characterized in that: It also includes a cleaning mechanism (02), a heating mechanism (03), an alarm mechanism (04), an adjustment mechanism (05) and a driving mechanism (06), wherein the cleaning mechanism (02) is mounted on the transport mechanism (01), the heating mechanism (03) is mounted in the cleaning mechanism (02), the alarm mechanism (04) is mounted on the outer wall of the cleaning mechanism (02), the adjustment mechanism (05) is mounted on the cleaning mechanism (02), and the driving mechanism (06) is mounted on the adjustment mechanism (05); The transport mechanism (01) transports the PCB board, the cleaning mechanism (02) sprays the cleaning agent on the PCB board, the heating mechanism (03) heats the cleaning agent in the cleaning mechanism (02), the alarm mechanism (04) detects the liquid level of the cleaning agent, and the driving mechanism (06) drives the regulating mechanism (05) to regulate the spraying pressure and flow rate.

2. A PCB board solder flux cleaning mechanism as claimed in claim 1, characterized in that: The transport mechanism (01) comprises a base plate (11), a driving frame (12) and a transport roller (13); the driving frame (12) is mounted on the base plate (11); the transport roller (13) is rotatably mounted on the driving frame (12); and a motor and a chain are arranged inside the driving frame (12).

3. A PCB board solder flux cleaning mechanism as claimed in claim 2, characterized in that: The cleaning mechanism (02) comprises a material storage box (21), a cleaning box (22), a water pump (23), a pipeline (24), a water distribution pipe (25), a nozzle (26) and a filter plate (27). The material storage box (21) is mounted on the bottom plate (11), the material storage box (21) is located at the top of the transport roller (13), the cleaning box (22) is mounted on the outer wall of the driving frame (12), the water pump (23) is mounted on the outer wall of the material storage box (21), the pipeline (24) connects the water pump (23) and the cleaning box (22), the water distribution pipe (25) is mounted on the inner wall of the cleaning box (22), the water distribution pipe (25) is communicated with the pipeline (24), the nozzle (26) is mounted on the water distribution pipe (25), and the filter plate (27) is mounted on the inner wall of the material storage box (21).

4. A PCB board solder flux cleaning mechanism as claimed in claim 3, characterized in that: The heating mechanism (03) comprises a heat preservation box (31) and a heating wire (32); the heat preservation box (31) is installed on the side wall of the material storage box (21); the heating wire (32) is installed in the heat preservation box (31); and a temperature sensor is arranged in the material storage box (21).

5. A PCB board solder flux cleaning mechanism as claimed in claim 3, characterized in that: The alarm mechanism (04) comprises a sliding cylinder (41), a filter screen (42), a buoyancy sliding plate (43), a proximity switch (44) and a buzzer (45), wherein the sliding cylinder (41) is mounted on the inner wall of the material storage box (21), the filter screen (42) is mounted on the side wall of the sliding cylinder (41), the buoyancy sliding plate (43) is mounted in the sliding cylinder (41) by buoyancy sliding, the proximity switch (44) is mounted on the inner bottom end of the sliding cylinder (41), and the buzzer (45) is mounted on the outer wall of the material storage box (21).

6. A PCB board solder flux cleaning mechanism as claimed in claim 3, characterized in that: The adjusting mechanism (05) comprises an adjusting cylinder (51), a fixed feeding plate (52), a rotating feeding plate (53), a bevel gear ring (54) and a bevel gear (55). The adjusting cylinder (51) is mounted on the pipe (24), the fixed feeding plate (52) is mounted on the inner wall of the adjusting cylinder (51), the rotating feeding plate (53) is rotatably mounted on the inner wall of the adjusting cylinder (51), the fixed feeding plate (52) and the rotating feeding plate (53) are provided with feeding holes, the bevel gear ring (54) is mounted on the top of the rotating feeding plate (53), the bevel gear (55) is rotatably mounted on the side wall of the adjusting cylinder (51) through a rotating shaft, and the bevel gear ring (54) is meshed with the bevel gear (55).

7. A PCB board solder flux cleaning mechanism as claimed in claim 6, characterized in that: The driving mechanism (06) comprises a driving box (61), a turbine (62) and a worm gear (63). The driving box (61) is mounted on the outer wall of the regulating cylinder (51), the turbine (62) is mounted on the rotating shaft of the bevel gear (55), the worm gear (63) is rotatably mounted on the inner wall of the driving box (61), and the worm gear (63) is meshed with the turbine (62).

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