Electroplating additive comparative testing apparatus

Abstract

This utility model discloses a comparative testing device for electroplating additives, including a main storage tank, a test chamber, and a multi-channel electrode control system. A three-way pipe is provided between the main storage tank and the test chamber, and an electrolyte filtration structure is installed at the outlet end of the main storage tank. This utility model ensures consistent electrolyte composition by connecting the test tanks to the main storage tank via the three-way pipe. Multiple test tanks improve testing efficiency. A stirring shaft and a stirring paddle are installed in the test tanks to ensure uniform mixing of the additives and electrolyte. The electrolyte filtration structure installed at the outlet end of the main storage tank allows for pretreatment of the electrolyte before it enters the test tank, preventing contaminants from entering and improving the accuracy of test data. A filter screen is used to intercept large particulate impurities, and a filter cloth is used to filter fine suspended matter. The filter is connected to a slot via a plug for easy disassembly and cleaning.

Description

Technical Field

[0001] This utility model relates to the technical field of electroplating process testing equipment, specifically to an electroplating additive comparison testing device. Background Technology

[0002] The electroplating additive comparative testing equipment is an instrument that uses cyclic voltammetry (CVS) to analyze additives. It is mainly used to detect the concentration and reaction potential of brighteners, leveling agents and other additives in electroplating solutions.

[0003] Traditional testing methods involve batch testing, requiring the electrolyte to be reconstituted for each test, resulting in low testing efficiency. For example, testing three additives requires at least three independent experiments, which is time-consuming. Utility Model Content

[0004] The purpose of this invention is to provide a comparative testing device for electroplating additives to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: an electroplating additive comparative testing device, comprising a main storage tank, a test chamber and a multi-channel electrode control system, wherein a three-way pipe is provided between the main storage tank and the test chamber, and an electrolyte filter structure is installed at the outlet end of the main storage tank.

[0006] The electrolyte filtration structure includes an installation frame. Limiting plates are fixedly connected to both ends of the inner wall of the installation frame near the outlet of the main storage tank. A sealing groove is provided at the front end of the installation frame. A filter screen is snapped into the sealing groove. A sealing gasket is fitted on the outer surface of the filter screen. The sealing gasket is pressed against the inner wall of the sealing groove. Insertion holes are provided at the upper and lower ends of both sides of the filter screen and the sealing groove. An insertion groove is provided on the side wall of the installation frame and extends through the upper end of the installation frame. A second sealing groove is provided on the outer side of the upper end of the insertion groove. An insertion plate is inserted into the inner wall of the insertion groove. A filter cloth is provided on the inner side of the insertion plate. A top plate is provided on the top side of the insertion plate. A second sealing gasket is provided at the bottom edge of the top plate and is embedded in the second sealing groove.

[0007] In the above technical solution, an electrolyte filter structure is installed at the outlet of the main storage tank, which can pre-treat the electrolyte before it enters the test tank, preventing contaminants from entering the test tank and thus improving the accuracy of the test data.

[0008] The test chamber has test slots inside via partitions, and multiple test slots are provided. A support plate is snapped onto the top of the test chamber, and a gear set is installed on the support plate. Each gear set located at the upper end of the test slot is equipped with a stirring shaft, and stirring paddles are arranged on the stirring shafts. Multiple sets of stirring paddles are arranged vertically.

[0009] In the above technical solution, the test tank is connected to the main storage tank through a three-way pipe to ensure that the electrolyte composition is consistent. Multiple test tanks are set up to improve the testing efficiency. The test tank is equipped with a stirring shaft and a stirring paddle to mix the additives and electrolyte evenly.

[0010] As a further preferred embodiment of this technical solution, limiting grooves are provided on both sides of the inner wall of the main liquid storage tank near the liquid outlet, and a retaining groove is provided at the bottom of the main liquid storage tank near the liquid outlet. The inner wall of the limiting groove is inserted into the outer wall of the limiting plate, and the bottom of the mounting frame is embedded in the retaining groove.

[0011] In the above technical solution, the limiting plate can be inserted into the limiting groove, thereby facilitating the assembly and disassembly of the electrolyte filter structure.

[0012] As a further preferred embodiment of this technical solution, each of the sockets is connected to a plug rod, and a connecting plate is fixedly connected between the upper and lower plug rods.

[0013] In the above technical solution, the inserted rod further improves the fixing effect of the filter screen.

[0014] As a further preferred embodiment of this technical solution, a stirring motor is installed at the drive end of the gear set in the middle, and the stirring motor is mounted on the support plate via a bracket.

[0015] As a further preferred embodiment of this technical solution, a pump body is installed at one end of the three-way pipe near the main storage tank, and a flow valve is provided at each of the three-way pipes corresponding to the test tank.

[0016] As a further preferred embodiment of this technical solution, each of the test tanks is provided with an overflow pipe at its rear end, and the overflow pipe is connected to the main storage tank.

[0017] As a further preferred embodiment of this technical solution, the multi-channel electrode control system includes a DC power supply, a cathode module, and an anode module.

[0018] This invention provides a comparative testing device for electroplating additives, which has the following beneficial effects:

[0019] (1) The test tank of this utility model is connected to the main storage tank through a three-way pipe to ensure that the electrolyte composition is consistent. Multiple test tanks are set up to improve the testing efficiency. A stirring shaft and a stirring paddle are set in the test tank to mix the additives and electrolyte evenly.

[0020] (2) By installing an electrolyte filter structure at the outlet of the main storage tank, the present invention can pre-treat the electrolyte before it enters the test tank, prevent contaminants from entering the test tank, thereby improving the accuracy of the test data. The filter screen is used to intercept large particulate impurities, and the filter screen is squeezed and set in the sealing groove and fixed by the plug rod, which is convenient for disassembly and cleaning. The filter cloth is used to filter fine suspended matter and is connected to the plug groove by the plug, which is convenient for disassembly and cleaning. Attached Figure Description

[0021] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0022] Figure 2 This is a partial cross-sectional view of the present invention;

[0023] Figure 3 This is a schematic diagram of the internal structure of the main liquid storage tank of this utility model;

[0024] Figure 4 This is an enlarged view of Figure A of this utility model;

[0025] In the diagram: 1. Main storage tank; 11. Limiting groove; 12. Slot; 2. Electrolyte filtration structure; 21. Mounting frame; 22. Limiting plate; 23. Sealing groove one; 24. Filter screen; 25. Sealing gasket one; 26. Insertion hole; 27. Insertion rod; 28. Connecting plate; 29. ​​Insertion plate; 291. Filter cloth; 292. Top plate; 293. Sealing gasket two; 211. Insertion groove; 212. Sealing groove two; 3. Test chamber; 31. Test groove; 33. Support plate; 34. Gear set; 35. Stirring motor; 36. Stirring shaft; 37. Stirring paddle; 4. T-shaped pipe; 41. Flow valve; 5. Pump body; 6. Overflow pipe. Detailed Implementation

[0026] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention.

[0027] This utility model provides a technical solution: such as Figure 1 As shown in this embodiment, an electroplating additive comparison testing device includes a main storage tank 1, a test chamber 3, and a multi-channel electrode control system. The multi-channel electrode control system includes a DC power supply, a cathode module, and an anode module. A three-way pipe 4 is provided between the main storage tank 1 and the test chamber 3. A pump body 5 is installed at one end of the three-way pipe 4 near the main storage tank 1. A flow valve 41 is provided at each of the three-way pipe 4 corresponding to the test tank 31. An overflow pipe 6 is provided at the rear end of each test tank 31. The overflow pipe 6 is connected to the main storage tank 1. The test tanks 31 are connected to the main storage tank 1 through the three-way pipe 4 to ensure that the electrolyte composition is consistent. Setting up multiple test tanks 31 improves the testing efficiency.

[0028] like Figure 2-4 As shown, an electrolyte filter structure 2 is installed at the outlet end of the main storage tank 1. The electrolyte filter structure 2 includes a mounting frame 21. Limiting plates 22 are fixedly connected to both ends of the inner wall of the mounting frame 21 near the outlet of the main storage tank 1. A sealing groove 23 is opened at the front end of the mounting frame 21. A filter screen 24 is snapped into the sealing groove 23. A sealing gasket 25 is fitted on the outer surface of the filter screen 24. The sealing gasket 25 is pressed against the inner wall of the sealing groove 23. Insertion holes 26 are opened at the upper and lower ends of both sides of the filter screen 24 and the sealing groove 23. Insertion rods 27 are inserted between the insertion holes 26. The insertion rods 27 further improve the fixing effect of the filter screen 24. A connecting plate 28 is fixedly connected between the upper and lower insertion rods 27. An insertion groove 211 is opened on the side wall of the middle side of the mounting frame 21 and extends through the upper end of the mounting frame 21. The upper end of the insertion groove 211... The outer side of each part is provided with a sealing groove 212. An insertion plate 29 is inserted into the inner wall of the insertion groove 211. A filter cloth 291 is provided on the inner side of the insertion plate 29. A top plate 292 is provided on the top side of the insertion plate 29. A sealing gasket 293 is provided at the bottom edge of the top plate 292. The sealing gasket 293 is embedded in the sealing groove 212. By installing the electrolyte filter structure 2 at the outlet end of the main liquid storage tank 1, pretreatment can be performed before the electrolyte enters the test tank 31 to prevent contaminants from entering the test tank 31, thereby improving the accuracy of the test data. The filter screen 24 is used to intercept large particulate impurities. The filter screen 24 is squeezed and set in the sealing groove 23 and fixed by the insertion rod 27 for easy disassembly and cleaning. The filter cloth 291 is used to filter fine suspended matter. It is connected to the insertion groove 211 by insertion for easy disassembly and cleaning.

[0029] like Figure 2 As shown, the test chamber 3 has multiple test slots 31 inside the test chamber 3 via a partition. A support plate 33 is snapped onto the top of the test chamber 3. A gear set 34 is mounted on the support plate 33. A stirring motor 35 is mounted on the drive end of the gear set 34 in the middle. The stirring motor 35 is mounted on the support plate 33 via a bracket. Each gear set 34 located at the upper end of the test slot 31 is equipped with a stirring shaft 36. Stirring paddles 37 are arranged on the stirring shaft 36. Multiple sets of stirring paddles 37 are arranged vertically. The test slot 31 is equipped with stirring shafts 36 and stirring paddles 37, which can mix the additives and electrolyte evenly.

[0030] like Figure 2 As shown, the main liquid storage tank 1 has limit grooves 11 on both sides of the inner wall near the liquid outlet, and a slot 12 is provided at the bottom of the main liquid storage tank 1 near the liquid outlet. The inner wall of the limit groove 11 is inserted into the outer wall of the limit plate 22, and the bottom of the mounting frame 21 is embedded in the slot 12. The limit plate 22 can be inserted into the limit groove 11, which facilitates the disassembly and assembly of the electrolyte filter structure 2.

[0031] This utility model provides a comparative testing device for electroplating additives. The specific working principle is as follows: Electrolyte (such as nickel plating solution) is injected into the main storage tank 1, the pump body 5 is started, the flow rate and temperature are set, and after running for a few minutes, the electrode liquid passes through the filter screen 24 and filter cloth 291 in sequence and is evenly injected into the test tank 31; different additives are added to each test tank 31 respectively, and the stirring motor 35 is started to drive the gear set 34 to rotate, thereby causing the stirring shaft 36 and stirring paddle 37 set in the test tank 31 to rotate, ensuring that the electrolyte and additives are mixed evenly;

[0032] Install the pretreated cathode (such as a copper sheet), then connect the anode, start the multi-channel motor control system, and power each tank synchronously. Record the voltage and current fluctuations of each tank in real time through the data acquisition module. After the test, remove the cathode and observe its surface, measure its gloss, etc., and generate a comparison report.

[0033] After the test, drain the electrolyte, remove the electrolyte filter structure 2, remove the inserts 27 at both ends, pry out the filter screen 24, and pull out the filter cloth 291. Clean the filter screen 24 and the filter cloth 291.

[0034] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A comparative testing device for electroplating additives, comprising a main storage tank (1), a testing chamber (3), and a multi-channel electrode control system, characterized in that: A three-way pipe (4) is provided between the main liquid storage tank (1) and the test box (3), and an electrolyte filter structure (2) is installed at the liquid outlet of the main liquid storage tank (1); The electrolyte filtration structure (2) includes a mounting frame (21). Limiting plates (22) are fixedly connected to both ends of the mounting frame (21) near the inner wall of the main storage tank (1) outlet. A sealing groove (23) is provided at the front end of the mounting frame (21). A filter screen (24) is fitted inside the sealing groove (23). A sealing gasket (25) is fitted onto the outer surface of the filter screen (24). The sealing gasket (25) is pressed against the inner wall of the sealing groove (23). Insertion holes (2) are provided at the upper and lower ends of both sides of the filter screen (24) and the sealing groove (23). 6) The side wall of the mounting frame (21) is provided with a plug groove (211) and extends through the upper end of the mounting frame (21). The outer side of the upper end of the plug groove (211) is provided with a sealing groove (212). A plug plate (29) is inserted into the inner wall of the plug groove (211). A filter cloth (291) is provided on the inner side of the plug plate (29). A top plate (292) is provided on the top side of the plug plate (29). A sealing gasket (293) is provided at the bottom edge of the top plate (292). The sealing gasket (293) is embedded in the sealing groove (212). The test box (3) has a test slot (31) inside through a partition. Multiple test slots (31) are provided. A support plate (33) is snapped onto the top of the test box (3). A gear set (34) is installed on the support plate (33). Each gear set (34) located at the upper end of the test slot (31) is provided with a stirring shaft (36). Stirring paddles (37) are arranged on the stirring shaft (36). Multiple sets of stirring paddles (37) are arranged vertically.

2. The electroplating additive comparative testing device according to claim 1, characterized in that: The main liquid storage tank (1) has limit grooves (11) on both sides of the inner wall near the liquid outlet. The main liquid storage tank (1) has a card slot (12) at the bottom near the liquid outlet. The inner wall of the limit groove (11) is inserted into the outer wall of the limit plate (22). The bottom of the mounting frame (21) is embedded in the card slot (12).

3. The electroplating additive comparative testing device according to claim 1, characterized in that: Each of the insertion holes (26) is connected to a rod (27), and a connecting plate (28) is fixedly connected between the upper and lower rods (27).

4. The electroplating additive comparative testing device according to claim 1, characterized in that: A stirring motor (35) is installed at the drive end of the gear set (34) in the middle section. The stirring motor (35) is mounted on the support plate (33) by a bracket.

5. The electroplating additive comparative testing device according to claim 1, characterized in that: A pump body (5) is installed at one end of the three-way pipe (4) near the main liquid storage tank (1), and a flow valve (41) is provided at each of the three-way pipes (4) corresponding to the test tank (31).

6. The electroplating additive comparative testing device according to claim 1, characterized in that: Each of the test tanks (31) is equipped with an overflow pipe (6) at its rear end, and the overflow pipe (6) is connected to the main storage tank (1).

7. The electroplating additive comparative testing device according to claim 1, characterized in that: The multi-channel electrode control system includes a DC power supply, a cathode module, and an anode module.

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