Water supplementing stirrer for solution for circuit board production

Abstract

The utility model relates to the technical field of circuit board production, and provides a water replenishing stirrer for a solution for circuit board production, which comprises a stirring tank body, a water level sensor, an MCU (Microprogrammed Control Unit), an electromagnetic valve, a water replenishing pipe, a liquid pumping pump, a first liquid pumping pipe, a second liquid pumping pipe, a transparent taper pipe and a flow indicating block, the water level sensor is located in the stirring tank, the electromagnetic valve is installed on the water supplementing pipe, an outlet of the water supplementing pipe is located at the top of the stirring tank, an inlet of the first liquid pumping pipe is located at the bottom of the stirring tank, an outlet of the first liquid pumping pipe is connected with the lower end of the transparent taper pipe, and the upper end of the transparent taper pipe is connected with an inlet of the second liquid pumping pipe. And the flow indicating block is arranged in the transparent taper pipe. The technical scheme provided by the utility model has the beneficial effects or advantages that water is automatically supplemented to the stirring tank body, so that the water supplementing efficiency is improved; the condition that a solution in the stirring tank body is pumped away can be conveniently observed, and a worker can quickly know whether the solution in the stirring tank body is pumped out or not by means of the transparent taper pipe and the flow indicating block in the water supplementing and stirring process.

Description

Technical Field

[0001] This utility model relates to the field of circuit board manufacturing technology, and specifically to a water replenishment mixer for circuit board manufacturing solutions. Background Technology

[0002] Printed circuit boards (PCBs) are manufactured using various chemical solutions, including cleaning solutions, etching solutions, developing solutions, and electroplating solutions. For example, copper sulfate solution is a commonly used etching solution in PCB etching to remove excess copper from copper foil. Typically, these solutions are first prepared in a mixer, and then pumped to the appropriate PCB manufacturing equipment.

[0003] Traditional mixers consist of a mixing tank with a feeding window at the top. After the solution in the mixing tank reaches its limit, workers pour water into the feeding window using a bucket, open a bag containing powdered material, pour the powder into the feeding window, and then start the mixer to fully dissolve the powder in water to prepare the desired solution. Manually adding water is cumbersome and inefficient. Furthermore, during water replenishment and mixing, if the solution concentration is insufficient, the liquid in the mixing tank cannot be pumped to the corresponding circuit board production equipment. Workers need to check the control panel to ensure the pump is off to avoid accidental activation and to confirm that the liquid in the mixing tank has not been removed. After the solution is prepared, workers must restart the pump from the control panel and open the cover at the feeding window to observe and confirm that the solution in the mixing tank has been removed – a cumbersome process.

[0004] Therefore, how to automatically replenish water into the mixing tank and conveniently observe the situation of the solution being pumped out of the mixing tank is a technical problem that urgently needs to be solved in this field. Utility Model Content

[0005] The technical problem to be solved by this utility model is to provide a water replenishment mixer for circuit board production solutions, which automatically replenishes water into the mixing tank and allows for convenient observation of the solution being drawn out of the mixing tank.

[0006] This utility model is implemented as follows: a water-adding mixer for a solution used in circuit board production, comprising:

[0007] Mixing tank, water level sensor, MCU, solenoid valve, water supply pipe, liquid pump, first liquid pumping pipe, second liquid pumping pipe, transparent cone tube and flow indicator block;

[0008] The water level sensor is located inside the mixing tank. The solenoid valve is installed on the water supply pipe. The MCU is electrically connected to the solenoid valve and the water level sensor. The outlet of the water supply pipe is located at the top of the mixing tank. A feeding window is provided at the top of the mixing tank. The inlet of the first liquid extraction pipe is located at the bottom of the mixing tank. The outlet of the first liquid extraction pipe is connected to the lower end of the transparent conical tube. The upper end of the transparent conical tube is connected to the inlet of the second liquid extraction pipe. The outlet of the second liquid extraction pipe is connected to the inlet of the liquid extraction pump. The flow indicator block is built into the transparent conical tube. The flow indicator block is larger than the lower port diameter of the transparent conical tube and smaller than the upper port diameter of the transparent conical tube.

[0009] Furthermore, it also includes: an operation panel, which is electrically connected to the MCU and the liquid pump.

[0010] Furthermore, it also includes: a motor, a stirring shaft, and stirring blades. The motor is fixedly mounted on the top of the mixing tank. The output shaft of the motor is fixedly connected to the upper end of the stirring shaft. The stirring blades are fixedly connected to the lower end of the stirring shaft. The stirring blades are located inside the mixing tank. The operation panel is also electrically connected to the motor.

[0011] Furthermore, it also includes: an electric heating element located inside the mixing tank, and the control panel is also electrically connected to the electric heating element.

[0012] Furthermore, it also includes: a cover plate covering the feeding window, the cover plate having a handle.

[0013] Compared with the prior art, the beneficial effects or advantages of the present invention are as follows:

[0014] A water level sensor monitors the water level in the mixing tank in real time and sends a signal back to the MCU. The MCU controls the on / off state of the solenoid valve to automatically replenish water to the mixing tank, improving replenishment efficiency. A transparent cone tube and flow indicator are installed to easily observe the solution being pumped out of the mixing tank, indirectly providing feedback on the operating status of the pump. When the pump is running, the liquid in the mixing tank flows through the transparent cone tube, and the flow indicator is in the flowing liquid. When the flow indicator is swaying, the operator confirms that the solution in the mixing tank has been pumped out and that the pump is running. When the pump is off, no liquid has been pumped out, and the operator confirms that the pump is off when the flow indicator stops at the lower end of the transparent cone tube. During water replenishment and mixing, the operator can quickly determine whether the liquid in the mixing tank has been pumped out using the transparent cone tube and flow indicator. Attached Figure Description

[0015] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0016] Figure 1 This is a schematic diagram of the water replenishment and stirring machine for circuit board production according to this utility model.

[0017] Figure 2 This is a schematic diagram showing the state of the flow indicator block stopping at the lower end of the transparent cone tube in this utility model.

[0018] Figure 3 This is a schematic diagram of the state of the liquid upward flow indicator block in this utility model.

[0019] Reference numerals: 1. Mixing tank; 11. Feeding window; 2. Water level sensor; 3. MCU; 4. Solenoid valve; 41. Water supply pipe; 5. Liquid pump; 51. First liquid pumping pipe; 52. Second liquid pumping pipe; 53. Transparent cone pipe; 54. Flow indicator block; 6. Motor; 61. Mixing shaft; 62. Mixing blade; 7. Heating element; 8. Cover plate; 81. Handle. Detailed Implementation

[0020] This utility model embodiment provides a water replenishment mixer for a solution used in circuit board production. The overall technical concept is as follows:

[0021] A water level sensor continuously monitors the water level in the mixing tank and sends a signal back to the MCU. When the water level in the mixing tank is at a preset low level, the MCU opens the solenoid valve, allowing water from the water supply pipe to flow into the mixing tank. When the water level in the mixing tank is at a preset high level, the MCU closes the solenoid valve, stopping the water supply. After water replenishment, the operator adds the powdered material needed to prepare the corresponding solution into the mixing tank and then starts the mixer. During water replenishment and mixing, if the solution concentration is insufficient, the liquid in the mixing tank cannot be pumped to the corresponding circuit board production equipment. The operator can quickly determine whether the liquid in the mixing tank has been pumped out using a transparent cone tube and a flow indicator. When the flow indicator stops at the lower end of the transparent cone tube, it indicates that the pump is stopped and the solution in the mixing tank has not been pumped out. When the flow indicator is in flowing liquid, it indicates that the pump is running and the solution in the mixing tank has been pumped out. The color of the flow indicator is set to be clearly different from the color of the solution for easy observation by the operator.

[0022] During water replenishment and stirring, if the operator sees the flow indicator block in flowing liquid, they should quickly go to the control panel and turn off the pump control button. After the solution is prepared in the mixing tank, the operator should go to the control panel and turn on the pump control button. If the flow indicator block stops at the lower end of the transparent cone tube, it means that the solution in the mixing tank has not been pumped out, indicating a pump malfunction, and repair work should be arranged immediately.

[0023] To better understand the above technical solutions, the following will provide a detailed explanation of the technical solutions in conjunction with the accompanying drawings and specific implementation methods.

[0024] See Figures 1 to 3 The preferred embodiment of this utility model.

[0025] A water replenishment mixer for a solution used in circuit board manufacturing, comprising:

[0026] 1. Mixing tank; 2. Water level sensor; 3. MCU; 4. Solenoid valve; 4. Water supply pipe; 5. Liquid pump; 5. First liquid pumping pipe; 51. Second liquid pumping pipe; 52. Transparent cone pipe; 53. Flow indicator block; 54.

[0027] The water level sensor 2 is located inside the mixing tank 1. The solenoid valve 4 is installed on the water supply pipe 41. The MCU 3 is electrically connected to the solenoid valve 4 and the water level sensor 2. The outlet of the water supply pipe 41 is located at the top of the mixing tank 1. The top of the mixing tank 1 is provided with a feeding window 11. The inlet of the first liquid extraction pipe 51 is located at the bottom of the mixing tank 1. The outlet of the first liquid extraction pipe 51 is connected to the lower end of the transparent conical pipe 53. The upper end of the transparent conical pipe 53 is connected to the inlet of the second liquid extraction pipe 52. The outlet of the second liquid extraction pipe 52 is connected to the inlet of the liquid extraction pump 5. The flow indicator block 54 is built into the transparent conical pipe 53. The flow indicator block 54 is larger than the lower port diameter of the transparent conical pipe 53 and smaller than the upper port diameter of the transparent conical pipe 53.

[0028] The beneficial effects or advantages of this utility model's technical solution are as follows: The water level sensor 2 detects the water level in the mixing tank 1 in real time and sends a feedback signal to the MCU3. The MCU3 controls the on / off state of the solenoid valve 4 to automatically replenish water to the mixing tank 1, improving the water replenishment efficiency. A transparent cone tube 53 and a flow indicator block 54 are provided to conveniently observe the removal of solution from the mixing tank 1, indirectly providing feedback on the operating status of the pump 5. When the pump 5 is running, the liquid in the mixing tank 1 passes through the transparent cone tube 53, and the flow indicator block 54 is in the flowing liquid. When the flow indicator block 54 is swaying, the operator confirms that the solution in the mixing tank has been removed and that the pump 5 is running. When the pump 5 is stopped, the liquid in the mixing tank 1 has not been removed, and the operator confirms that the pump 5 is stopped when the flow indicator block 54 stops at the lower end of the transparent cone tube 53. During water replenishment and mixing, the operator can quickly determine whether the liquid in the mixing tank has been removed using the transparent cone tube 53 and the flow indicator block 54.

[0029] The flow indicator block 54 is colored in a way that contrasts sharply with the solution, making it easy for staff to observe. The density of the flow indicator block 54 is greater than that of the solution. The transparent conical tube 53 is vertically oriented. When the pump 5 is off, the flow indicator block 54 rests at the lower end of the transparent conical tube 53 due to its own weight. When the pump 5 is on, the liquid in the mixing tank 1 is drawn through the transparent conical tube 53, and the liquid in the first suction pipe 51 pushes the flow indicator block 54 upwards. The liquid then flows through the gap between the flow indicator block 54 and the upper end of the transparent conical tube 53 before entering the second suction pipe 52. The stronger the suction force of the pump 5, the higher the flow indicator block 54 is positioned within the transparent conical tube 53. The upper diameter of the transparent conical tube 53 is twice that of the flow indicator block 54. The flow indicator block can be either a cube or a sphere. The flow indicator block 54 is larger than the diameter of the second suction pipe 52 to prevent it from entering the second suction pipe 52. The transparent conical tube 53 is placed next to the mixing tank 1 for easy observation by staff.

[0030] Furthermore, it also includes: an operation panel (not shown), which is electrically connected to the MCU3 and the liquid pump 5.

[0031] The operator uses the control panel to control the operation of the liquid pump 5 and the on / off state of the solenoid valve 4.

[0032] Furthermore, it also includes: a motor 6, a stirring shaft 61, and stirring blades 62. The motor 6 is fixedly installed on the top of the stirring tank 1. The output shaft of the motor 6 is fixedly connected to the upper end of the stirring shaft 61. The stirring blades 62 are fixedly connected to the lower end of the stirring shaft 61. The stirring blades 62 are located inside the stirring tank 1. The operation panel is also electrically connected to the motor 6.

[0033] The operator uses the control panel to control the running status of motor 6 and start or stop the mixing function of the mixer.

[0034] Furthermore, it also includes: an electric heating element 7, which is located inside the stirring tank 1, and the operation panel is also electrically connected to the electric heating element 7.

[0035] The staff operates the control panel to control the heating function of the electric heating element 7, adjust the temperature of the liquid, and improve the stirring effect.

[0036] Furthermore, it also includes: a cover plate 8, which covers the feeding window 11, and the cover plate 8 has a handle 81.

[0037] The cover plate 8 prevents the material from splashing out of the feeding window 11 during the mixing process; the handle 81 makes it easy for workers to pick up the cover plate 8.

[0038] This invention features automatic water replenishment to the mixing tank 1 and automatic water replenishment stoppage, improving water replenishment efficiency and reducing the labor intensity of workers. A transparent conical tube 53 and a flow indicator block 54 are provided for convenient observation of the solution being pumped out of the mixing tank 1. Workers can visually see whether water has been pumped out of the mixing tank 1, allowing for timely switching on / off and maintenance of the pump 5. During water replenishment and mixing, the flow indicator block 54 is observed to be stopped at the lower end of the transparent conical tube 53, effectively preventing liquid from the mixing tank 1 from being pumped into the corresponding circuit board production equipment. After the solution preparation is completed in the mixing tank 1, the flow indicator block 54 is observed to be in flowing liquid, quickly confirming that the pump 5 is running and that the liquid in the mixing tank 1 has been pumped into the corresponding circuit board production equipment, improving production efficiency.

[0039] While specific embodiments of the present invention have been described above, those skilled in the art should understand that the specific embodiments described are merely illustrative and not intended to limit the scope of the present invention. Equivalent modifications and variations made by those skilled in the art in accordance with the spirit of the present invention should be covered within the scope of protection of the claims of the present invention.

Claims

1. A water-replenishing mixer for a solution used in circuit board production, characterized in that, include: Mixing tank, water level sensor, MCU, solenoid valve, water supply pipe, liquid pump, first liquid pumping pipe, second liquid pumping pipe, transparent cone tube and flow indicator block; The water level sensor is located inside the mixing tank. The solenoid valve is installed on the water supply pipe. The MCU is electrically connected to the solenoid valve and the water level sensor. The outlet of the water supply pipe is located at the top of the mixing tank. A feeding window is provided at the top of the mixing tank. The inlet of the first liquid extraction pipe is located at the bottom of the mixing tank. The outlet of the first liquid extraction pipe is connected to the lower end of the transparent conical tube. The upper end of the transparent conical tube is connected to the inlet of the second liquid extraction pipe. The outlet of the second liquid extraction pipe is connected to the inlet of the liquid extraction pump. The flow indicator block is built into the transparent conical tube. The flow indicator block is larger than the lower port diameter of the transparent conical tube and smaller than the upper port diameter of the transparent conical tube.

2. The solution replenishing and stirring machine for a circuit board production according to claim 1, wherein Also includes: The operation panel is electrically connected to the MCU and the liquid pump.

3. The solution replenishing and stirring machine for a circuit board production according to claim 2, wherein Also includes: The mixing tank includes a motor, a stirring shaft, and stirring blades. The motor is fixedly mounted on the top of the mixing tank. The output shaft of the motor is fixedly connected to the upper end of the stirring shaft. The stirring blades are fixedly connected to the lower end of the stirring shaft and are located inside the mixing tank. The control panel is also electrically connected to the motor.

4. The solution replenishing and stirring machine for manufacturing a circuit board according to claim 2, wherein Also includes: An electric heating element is located inside the mixing tank, and the control panel is also electrically connected to the electric heating element.

5. The solution replenishing and stirring machine for manufacturing a circuit board according to claim 1, wherein Also includes: A cover plate that covers the feeding window and has a handle.

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