An electrolytic polishing device for aluminum alloy in a laboratory

Abstract

The utility model discloses a laboratory is with aluminum alloy electrolytic polishing device relates to electrolytic polishing device technical field, include: electrolytic tank, its inside is equipped with mutually parallel arrangement's anode column and cathode column, install the board, fix in anode column bottom portion is used for clamping work piece, baffle, vertical fixed in the middle part of install the board, and one pair of flow guide curved surface is arranged to both sides symmetry, impeller subassembly, including the rotation impeller that symmetry is equipped with baffle both sides, the utility model discloses the flow guide curved surface of baffle both sides symmetry arrangement cooperates with symmetry's rotation impeller, and the electrolyte is swept when impeller rotates and is washed work piece through flow guide curved surface, makes the electrolyte can even function on work piece surface, realizes efficient polishing, the arc flow guide block that sets up can drain the electrolyte after washing, and the electrolyte more smoothly flows to electrolysis area under the guidance of guide plate, and the sinking type collection tank can collect the electrolyte after the drainage of arc flow guide block and the foreign matter generated in electrolytic process.

Description

Technical Field

[0001] This utility model relates to the technical field of electrolytic polishing devices, specifically a laboratory aluminum alloy electrolytic polishing device. Background Technology

[0002] In modern industrial production and scientific research, aluminum alloys are widely used in aerospace, automobile manufacturing, electronic equipment, and many other fields due to their excellent properties such as lightweight, high strength, and corrosion resistance. Electropolishing, as a key process for improving the surface quality of aluminum alloys, can effectively eliminate microscopic defects on the surface, improve surface smoothness and aesthetics, and enhance its surface properties.

[0003] However, traditional aluminum alloy electrolytic polishing equipment has many problems. In some devices, the electrolyte distribution is uneven, resulting in inconsistent polishing effects on the surface of aluminum alloy workpieces, affecting product quality. Foreign matter generated during the electrolysis process is difficult to separate effectively. Unfiltered or insufficiently filtered electrolyte is reused in the electrolysis, which not only contaminates the electrolyte but may also cause damage to the workpiece surface, affecting the polishing effect, and reducing the service life of the electrolyte and the stability of the equipment. Utility Model Content

[0004] To address the shortcomings of existing technologies, this utility model provides a laboratory aluminum alloy electrolytic polishing device.

[0005] To achieve the above objectives, the technical solution of this utility model is as follows:

[0006] A laboratory aluminum alloy electropolishing apparatus, comprising:

[0007] An electrolytic cell, which contains anode columns and cathode columns arranged in parallel to each other;

[0008] Mounting plate, fixed to the bottom of the anode column for clamping the workpiece;

[0009] A partition is vertically fixed to the middle of the mounting plate, and a pair of guide surfaces are symmetrically arranged on both sides of it;

[0010] The impeller assembly includes rotating impellers symmetrically arranged on both sides of the partition, wherein the plane of rotation of the impellers is tangent to the guide surface;

[0011] An arc-shaped flow guide block, with its concave surface facing the mounting plate, is disposed at the bottom of the electrolysis tank;

[0012] A sunken collection box is located below the convex side of the arc-shaped guide block;

[0013] A filter plate is disposed at the outlet end of the sunken collection box and fixed to the arc-shaped guide block;

[0014] The rotating impeller sweeps the electrolyte through the guide curved surface to flush the workpiece on the mounting plate. The flushed electrolyte is then guided by the arc-shaped guide block to a sinking collection box and filter plate to collect electrolytic foreign matter.

[0015] Preferably, it further includes an auxiliary guide plate disposed on the back of the impeller, wherein the curved extension direction of the auxiliary guide plate is opposite to the rotation direction of the impeller.

[0016] Preferably, it also includes a guide plate, which is fixed to one side of the arc-shaped guide block, and the distance from the near end of the arc-shaped guide block to the inner wall of the electrolysis tank gradually decreases.

[0017] Preferably, the ratio of the radius of curvature of the guide surface to the radius of rotation of the impeller is 1.2-1.5:1.

[0018] Preferably, the electrolyte flow path of the filter plate is provided with a gradually narrowing guide channel formed by a guide plate, and the cross-sectional area of ​​the gradually narrowing guide channel decreases along the electrolyte flow direction.

[0019] Preferably, the filter plate includes a coarse filter layer and a fine filter layer stacked on top of each other, wherein the pore size of the coarse filter layer is 0.5-1 mm and the pore size of the fine filter layer is 0.1-0.3 mm.

[0020] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0021] 1. By using the symmetrically arranged guide surfaces on both sides of the baffle plate in conjunction with the symmetrical rotating impeller, the electrolyte is swept by the guide surfaces and washed over the workpiece when the impeller rotates, so that the electrolyte can be evenly applied to the surface of the workpiece to achieve efficient polishing.

[0022] 2. The arc-shaped guide block can guide the electrolyte after flushing, and the guide plate makes the electrolyte flow more smoothly to the electrolysis area; the sinking collection box can collect the electrolyte after being guided by the arc-shaped guide block and foreign matter generated during the electrolysis process;

[0023] 3. The gradually narrowing guide channel on the electrolyte flow path of the filter plate can accelerate the electrolyte flow, improve the filtration efficiency, and make the electrolyte uniform, thereby improving the electrolysis performance to a certain extent.

[0024] 4. The impeller assembly drives the electrolyte flow, forming a directional scouring force, which promotes uniform dissolution of the metal on the workpiece surface and improves the polishing quality.

[0025] 5. The filtered clean electrolyte flows smoothly back into the electrolysis tank through the gradually narrowing guide channel, forming a circulation and continuously providing high-quality electrolyte for the electrolytic polishing process, maintaining the stable progress of the electrolytic reaction, and ensuring the polishing effect of the aluminum alloy workpiece. Attached Figure Description

[0026] The disclosure of this utility model is illustrated with reference to the accompanying drawings. It should be understood that the drawings are for illustrative purposes only and are not intended to limit the scope of protection of this utility model. In the drawings, the same reference numerals are used to refer to the same parts. Wherein:

[0027] Figure 1 This is a three-dimensional structural schematic diagram of the laboratory aluminum alloy electrolytic polishing device of this utility model;

[0028] Figure 2 This is a second-view three-dimensional structural diagram of the laboratory aluminum alloy electrolytic polishing device of this utility model.

[0029] Figure 3 This is a third-view structural diagram of the laboratory aluminum alloy electrolytic polishing device of this utility model;

[0030] Figure 4 This is a fourth-view structural schematic diagram of the laboratory aluminum alloy electrolytic polishing device of this utility model.

[0031] The diagram is labeled as follows: 1. Electrolysis tank; 2. Anode column; 3. Cathode column; 4. Arc-shaped guide block; 5. Impeller; 6. Baffle; 61. Guide surface; 62. Arc-shaped plate; 7. Filter plate; 8. Submerged collection box; 9. Guide plate. Detailed Implementation

[0032] It is readily understood that, based on the technical solution of this utility model, those skilled in the art can propose various interchangeable structural methods and implementations without altering the essential spirit of this utility model. Therefore, the following detailed embodiments and accompanying drawings are merely illustrative descriptions of the technical solution of this utility model and should not be considered as the entirety of this utility model or as limitations or restrictions on the technical solution of this utility model.

[0033] Example

[0034] like Figure 1-4 As shown, a laboratory aluminum alloy electropolishing apparatus includes:

[0035] Electrolysis tank 1: The main body of the device, containing parallel anode columns 2 and cathode columns 3, providing reaction space for electrolytic polishing. A mounting plate is fixed to the bottom of the anode column 2 to clamp the aluminum alloy workpiece, ensuring its stable placement during electrolysis.

[0036] Partition 6: Vertically fixed to the center of the mounting plate, with symmetrical guide surfaces 61 on both sides. The guide surfaces 61 cooperate with the rotating impellers 5 symmetrically arranged on both sides of the partition 6. When the impellers 5 rotate, the sweeping electrolyte flows through the guide surfaces 61 to flush the workpiece on the mounting plate, so that the electrolyte can act evenly on the surface of the workpiece and achieve efficient polishing.

[0037] Impeller assembly: Includes symmetrically arranged rotating impellers 5, driven by a motor. The rotation plane of the impellers 5 is tangent to the guide surface 61. When the impellers 5 rotate, they drive the electrolyte to flow, generating a scouring force. Simultaneously, an auxiliary guide plate 62 is provided on the back of the impellers 5, whose curved extension direction is opposite to the rotation direction of the impellers 5, further optimizing the flow path of the electrolyte and enhancing the scouring effect.

[0038] Arc-shaped guide block 4: The concave side faces the mounting plate and is set at the bottom of the electrolysis tank 1 to guide the electrolyte after flushing. The guide plate 9 is fixed to one side of the arc-shaped guide block 4, and the distance from the near end of the arc-shaped guide block 4 to the inner wall of the electrolysis tank 1 gradually decreases, so that the electrolyte can flow more smoothly to the electrolysis area.

[0039] Submerged collection box 8: Located below the convex side of the arc-shaped guide block 4, it is used to collect the electrolyte after it is guided by the arc-shaped guide block 4 and foreign matter generated during the electrolysis process.

[0040] Filter plate 7: Located at the outlet end of the submerged collection tank 8 and fixed to the arc-shaped guide block 4. Filter plate 7 includes a coarse filter layer and a fine filter layer stacked on top of each other. The pore size of the coarse filter layer is 0.5-1mm, and the pore size of the fine filter layer is 0.1-0.3mm. This allows for multi-stage filtration of the electrolyte, effectively separating foreign matter and ensuring the cleanliness of the electrolyte in the electrolysis reaction zone. Furthermore, a gradually narrowing guide channel is provided along the electrolyte flow path of filter plate 7. The cross-sectional area of ​​this channel decreases along the electrolyte flow direction, which accelerates electrolyte flow, improves filtration efficiency, and ensures good electrolyte uniformity, thereby improving electrolysis performance to a certain extent.

[0041] Electrolysis reaction start-up: The aluminum alloy workpiece is clamped on the mounting plate at the bottom of the anode column. After the anode column and cathode column are connected to the power supply, the electrolyte in the electrolysis tank undergoes an electrolysis reaction. The aluminum alloy workpiece acts as the anode, and the surface metal is oxidized and dissolved under the action of the electric field, thus starting the polishing process.

[0042] Electrolyte rinsing: The impeller assembly begins operation. The symmetrically arranged rotating impellers 5 rotate under the drive of the motor. Their rotation plane is tangent to the guide surfaces 61 on both sides of the baffle, driving the electrolyte to flow. The electrolyte sweeps through the guide surfaces 61, forming a directional rinsing force that acts evenly on the surface of the aluminum alloy workpiece on the mounting plate. This promotes the uniform dissolution of the metal on the workpiece surface and improves the polishing quality.

[0043] Guided flow and collection: The electrolyte after being rinsed on the surface of the workpiece flows to the inlet end of the sinking collection box 8 under the guidance of the arc-shaped guide block 4, and finally flows into the sinking collection box 8 located below the convex side of the arc-shaped guide block 4, while collecting foreign matter generated during the electrolysis process.

[0044] Filtration and Circulation: The electrolyte collected in the sinking collection tank 8 contains heavier electrolytic foreign matter, which concentrates in the sinking collection tank 8, while lighter electrolytic foreign matter flows with the electrolyte to the filter plate 7 at the outlet end. The filter plate 7 consists of a coarse filter layer and a fine filter layer stacked on top of each other. The coarse filter layer first intercepts larger particles, and the fine filter layer further filters smaller particles, achieving multi-stage filtration, effectively separating foreign matter, and ensuring the cleanliness of the electrolyte. After filtration, the clean electrolyte, because the guide plate 9 is fixed to one side of the arc-shaped guide block 4, and the distance from the near end of the arc-shaped guide block 4 to the inner wall of the electrolysis tank gradually decreases, forms a gradually narrowing guide channel. The electrolyte flows more smoothly into the electrolysis area within the channel and flows back into the electrolysis tank, forming a circulation. This continuously provides high-quality electrolyte for the electrolytic polishing process, maintains the stable progress of the electrolytic reaction, and ensures the polishing effect of the aluminum alloy workpiece.

[0045] The symmetrically arranged guide surfaces on both sides of the baffle plate cooperate with the symmetrical rotating impeller. When the impeller rotates, it sweeps the electrolyte through the guide surfaces to wash the workpiece, so that the electrolyte can act evenly on the surface of the workpiece and achieve efficient polishing.

[0046] The auxiliary guide plate on the back of the impeller extends in the opposite direction to the impeller's rotation direction, further optimizing the flow path of the electrolyte and enhancing the flushing effect.

[0047] The arc-shaped guide block can divert the electrolyte after flushing, and the guide plate makes the electrolyte flow more smoothly to the electrolysis area.

[0048] The submerged collection box can collect the electrolyte after it has been guided by the arc-shaped guide block, as well as foreign matter generated during the electrolysis process.

[0049] The filter plate consists of a coarse filter layer and a fine filter layer stacked on top of each other, which can perform multi-stage filtration of the electrolyte, effectively separate foreign matter, and ensure the cleanliness of the electrolyte in the electrolysis reaction area.

[0050] The gradually narrowing guide channel on the electrolyte flow path of the filter plate can accelerate the electrolyte flow, improve filtration efficiency, and make the electrolyte uniform, thereby improving the electrolysis performance to a certain extent.

[0051] The impeller assembly drives the electrolyte flow, forming a directional scouring force that promotes uniform dissolution of the metal on the workpiece surface, thereby improving the polishing quality.

[0052] Among them, the arc-shaped guide block, impeller, baffle, guide surface, arc plate, filter plate and guide plate are all made of corrosion-resistant plastic.

[0053] The filtered clean electrolyte flows smoothly back into the electrolysis tank through a gradually narrowing guide channel, forming a circulation that continuously provides high-quality electrolyte for the electrolytic polishing process, maintains the stable progress of the electrolytic reaction, and ensures the polishing effect of the aluminum alloy workpiece.

[0054] The technical scope of this utility model is not limited to the content described above. Those skilled in the art can make various modifications and variations to the above embodiments without departing from the technical concept of this utility model, and all such modifications and variations should fall within the protection scope of this utility model.

Claims

1. A laboratory aluminum alloy electropolishing device, characterized in that: include: An electrolytic cell (1) is provided with an anode column (2) and a cathode column (3) arranged in parallel to each other. Mounting plate, fixed to the bottom of the anode column (2) for clamping the workpiece; A partition (6) is vertically fixed to the middle of the mounting plate, and a pair of guide surfaces (61) are symmetrically arranged on both sides of it. The impeller assembly includes rotating impellers (5) symmetrically arranged on both sides of the partition (6), wherein the plane of rotation of the impellers (5) is tangent to the guide surface (61); An arc-shaped flow guide block (4) with its concave surface facing the mounting plate is disposed at the bottom of the electrolysis tank (1); A sunken collection box (8) is located below the convex side of the arc-shaped guide block (4); The filter plate (7) is located at the outlet end of the sunken collection box (8) and is fixed to the arc-shaped guide block (4); The rotating impeller (5) sweeps the electrolyte through the guide surface (61) to flush the workpiece on the mounting plate. The flushed electrolyte is then guided by the arc-shaped guide block (4) to the sinking collection box (8) and the filter plate (7) to collect electrolytic foreign matter.

2. The laboratory aluminum alloy electrolytic polishing device according to claim 1, characterized in that: It also includes an auxiliary guide plate (62) disposed on the back of the impeller (5), wherein the curved extension direction of the auxiliary guide plate (62) is opposite to the rotation direction of the impeller (5).

3. The laboratory aluminum alloy electropolishing device according to claim 2, characterized in that: It also includes a guide plate (9), which is fixed to one side of the arc-shaped guide block (4), and the distance from the near end to the far end of the arc-shaped guide block (4) to the inner wall of the electrolysis tank (1) gradually decreases.

4. The laboratory aluminum alloy electrolytic polishing device according to claim 3, characterized in that: The ratio of the radius of curvature of the guide surface (61) to the radius of rotation of the impeller (5) is 1.2-1.5:

1.

5. The laboratory aluminum alloy electropolishing device according to claim 4, characterized in that: The filter plate (7) has a gradually narrowing guide channel formed by the guide plate (9) on the electrolyte flow path, and the cross-sectional area of ​​the gradually narrowing guide channel decreases along the electrolyte flow direction.

6. The laboratory aluminum alloy electropolishing device according to claim 5, characterized in that: The filter plate (7) includes a coarse filter layer and a fine filter layer stacked on top of each other. The coarse filter layer has a pore size of 0.5-1 mm, and the fine filter layer has a pore size of 0.1-0.3 mm.

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