CN217869169U

CN217869169U - Adjustable aluminum alloy electrolytic polishing device

Info

Publication number: CN217869169U
Application number: CN202220821148.1U
Authority: CN
Inventors: 王玉莲; 田国建; 徐红轩; 刘航宇; 杨瑜
Original assignee: Jiangsu Dingsheng New Energy Material Co Ltd
Current assignee: Jiangsu Dingsheng New Energy Material Co Ltd
Priority date: 2022-04-11
Filing date: 2022-04-11
Publication date: 2022-11-22
Anticipated expiration: 2032-04-11

Abstract

An adjustable aluminum alloy electrolytic polishing device comprises a solution tank, a cathode, an anode rod and a direct-current stabilized power supply; a movable cross rod is arranged above the solution tank, grooves are formed in the left end and the right end of the cross rod, the grooves in the left end and the right end of the cross rod are connected with the two sides of the solution tank, scales are arranged on the notch of the solution tank, and a notch is formed in the notch of the solution tank; the utility model provides a pair of adjustable aluminum alloy electrolytic polishing and positive pole tectorial membrane device can be accurate while the position of visual fixed negative pole and positive pole through set up the scale at the solution tank notch to guarantee that the electric current is stable, obtain more excellent aluminum alloy crystalline grain observation effect, under the stable circumstances of assurance electric current, whole device will obtain higher security, high efficiency simultaneously.

Description

Adjustable aluminum alloy electrolytic polishing device

Technical Field

The utility model relates to an aluminum alloy electrolytic buffing device, more specifically relates to an adjustable aluminum alloy electrolytic buffing device.

Background

Electropolishing is a technique in which a metal workpiece is used as an anode and electrolysis is carried out in a suitable electrolyte to selectively remove the rough surface and improve the surface finish. For materials with soft texture, such as aluminum alloy, a high-quality metallographic sample is prepared by adopting mechanical polishing and electrolytic polishing in combination, meanwhile, an electrolytic polishing device can also carry out anode film coating treatment, and the large and thick aluminum alloy grains can influence the performance of products, such as the phenomena of product stamping cracking, soldering lug corrosion and the like. In order to prevent the outflow of coarse-grain products, confirm the quality of the products, provide the measurement and detection reports of the grain sizes for the products and also match with the improvement of the product quality of process departments, the aluminum processing products need to be subjected to anodic film coating microstructure observation.

At present, for the detection of an anode coating microstructure, electrolyte and coating liquid are filled in a beaker for simple electrolytic polishing and anode coating in a laboratory, a cathode is a stainless steel sheet and is connected with a cathode lead and a negative electrode of a direct current stabilized power supply, the position of an anode rod is not fixed during electrolytic polishing and anode coating tests, so that the depth of a sample entering the electrolyte and the coating liquid and the distance between the sample and the cathode are not fixed, the current is unstable, a thin or thick oxide film is attached to the surface of the sample, the observation effect of aluminum alloy crystal grains is poor finally, the size of the aluminum alloy crystal grains is difficult to measure, the size of the beaker is small, the sample is unstable, the contact of the anode and the cathode is easy to cause short circuit, and potential safety hazards occur.

At present, there are some technological improvements on the apparatus, including upgrading the apparatus into a lifting device, a holder, a container tank, a dc power supply and an electrode rod, where the holder is installed on the lifting device, the top of the holder with a locking member is connected to the anode of the dc power supply, the container tank is provided with a perforated partition board, the electrode rod is placed on one side of the perforated partition board, and the electrode rod is connected to the cathode of the current. The lifting device controls the depth of the sample extending into the solution according to the length of the retractable string, the fine line stability of the lifting device is affected by the environment, the position of the electrode rod is difficult to fix the anode and the cathode, the spacing is difficult to control, and therefore the stability of the anode film coating experiment is poor, and the electrode rod needs to be fixed by means of the porous partition plate.

SUMMERY OF THE UTILITY MODEL

In order to solve the unstable situation of electrolytic polishing and anodic film coating test current, an adjustable aluminum alloy electrolytic polishing device is provided.

An adjustable aluminum alloy electrolytic polishing device comprises a solution tank, a cathode, an anode rod and a direct-current stabilized power supply; a movable cross rod is arranged above the solution tank, buckles are arranged at the left end and the right end of the cross rod and are matched with the wall thickness of the solution tank, scales are arranged on the notch of the solution tank, and a notch is arranged at the notch of the solution tank; the direct current stabilized voltage power supply is respectively connected with a cathode rod and an anode rod in the solution tank through a cathode lead and an anode lead.

Preferably, the cross bar is fixedly connected with a hoop, the anode rod is connected with the cross bar through a bolt at the hoop, the upper end of the anode rod is connected with an anode lead, and the bottom end of the anode rod is fixed with the clamp.

Preferably, the cathode is in an "S" shape, one end of the cathode is positioned at the bottom of the solution tank, and the other end of the cathode is fixed at the notch of the solution tank and is connected with the cathode lead.

Preferably, the material of the cross rod is a non-conductive solid material, and the anode rod is a conductive material.

Preferably, the specific manner of the crossbar connection clip is riveting, welding or screwing.

Preferably, the solution tank is filled with any one of an electrolyte and a film coating liquid.

Preferably, the bottom end of the anode rod is fixed with the clamp through a bolt.

Has the advantages that:

(1) Compare with current aluminum alloy electrolytic polishing and positive pole tectorial membrane device, the utility model provides a pair of adjustable aluminum alloy electrolytic polishing device through set up the position that the scale can accurate while visually fix negative pole and positive pole at the solution tank notch to guarantee that the electric current is stable, obtain more excellent aluminum alloy crystalline grain observation effect, simultaneously under the stable circumstances of assurance electric current, whole device will obtain higher security, high efficiency.

(2) Compare with using fixing device fixed cathode, the utility model provides a pair of adjustable aluminum alloy electrolytic buffing device sets up the notch through the notch at the solution tank and fixes with the negative pole chucking, avoids using other fixing device, and easy operation improves test efficiency.

(3) The utility model provides a pair of adjustable aluminum alloy electrolytic buffing device, the simple low cost maneuverability is strong of component.

Drawings

FIG. 1 is a schematic structural diagram of an adjustable aluminum alloy electrolytic polishing device.

1. Clamping a hoop; 2. a cross bar; 3. a bolt; 4. an anode rod; 5. a clamp; 6. a sample; 7. A cathode; 8. an electrolyte or a coating solution; 9. a solution tank; 10. a DC stabilized power supply; 11. an anode lead; 12. and a cathode lead.

Detailed Description

In order to deepen the understanding of the present invention, the present invention will be further described in detail with reference to the following embodiments and the attached drawings, and the embodiments are only used for explaining the present invention, and do not constitute the limitation to the protection scope of the present invention.

Example (b):

as shown in FIG. 1, the adjustable aluminum alloy electrolytic polishing device has a cathode 7 in a solution tank 9 filled with electrolyte or membrane-coating solution 8, and an anode fixing device cross bar 2 above the cathode. The bottom end of a cathode 7 is arranged at the bottom of a solution tank 9, an upper end clamp is connected with a notch of the solution tank and a cathode lead 12, an anode rod 4 is fixed with a cross rod 2 on a dissolving tank through a clamp 1, an anode rod fixing device is fixed on the cross rod 2, the lower end of the anode rod 4 is provided with a clamp 5, the clamp 5 is fixed at the lower end of the anode rod 4 through a bolt, and an anode lead 11 is connected with the upper end of the anode rod 4.

When the electrolytic polishing device provided by the utility model is used, the anode wire 11 and the cathode 12 are connected with the anode and the cathode of the DC stabilized voltage power supply 10. The sample is clamped by a clamp 5, the anode rod adjusts the height of the sample 6 through a hoop, the sample 6 is placed in electrolyte or laminating liquid 8, and the distance between the sample and the cathode is adjusted through the cross rod 2 and the scale of the notch of the solution.

Specifically, the cross rod 2 is made of a non-conductive solid material, the anode rod 4 is made of a conductive material such as a lead plate and stainless steel, and the clamp 1 of the anode rod fixing device is made of a stainless steel material.

The specific process method of the anode coating comprises the following steps:

s1, roughly grinding an aluminum alloy sample by using four sand papers of 280#, 500#, 1200# and 2000# in sequence;

s2, mechanically polishing by using a manual polishing machine;

s3, placing the sample in electrolyte for electrolytic polishing;

s4, placing the sample in the membrane laminating solution for anode laminating;

and S5, placing the sample under a metallographic microscope to observe the grain microstructure.

To using the utility model discloses the aluminum alloy of equipment and conventional equipment tectorial membrane contrasts and observes, and specific technological parameter is as follows:

under the condition of adopting the same process parameters, the effect of current stabilization anode coating of the adjustable aluminum alloy electrolytic polishing device adopted by the embodiment is better.

As a further improvement, the above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalents, improvements, etc. made within the spirit and principles of the present invention should be included within the scope of the present invention.

Claims

1. An adjustable aluminum alloy electrolytic polishing device is characterized by comprising a solution tank, a cathode, an anode rod and a direct current stabilized power supply; a movable cross rod is arranged above the solution tank, buckles are arranged at the left end and the right end of the cross rod and are matched with the wall thickness of the solution tank, scales are arranged on the notch of the solution tank, and a notch is formed in the notch of the solution tank; the direct current stabilized voltage power supply is respectively connected with a cathode rod and an anode rod in the solution tank through a cathode lead and an anode lead.

2. The adjustable aluminum alloy electrolytic polishing device as recited in claim 1, wherein the cross bar is fixedly connected with a hoop, the anode rod is connected with the cross bar through a bolt at the hoop, the upper end of the anode rod is connected with an anode wire, and the bottom end of the anode rod is fixed with the clamp.

3. The adjustable aluminum alloy electrolytic polishing device as recited in claim 1, wherein the cathode is "S" shaped, one end of the cathode is located at the bottom of the solution tank, and the other end of the cathode is fixed to the notch of the solution tank and connected to the cathode lead.

4. The adjustable aluminum alloy electrolytic polishing device as recited in claim 1, wherein the cross bar is made of a non-conductive solid material, and the anode rod is made of a conductive material.

5. The adjustable aluminum alloy electrolytic polishing device as recited in claim 2, wherein the cross bar connecting clamp is riveted, welded or screwed.

6. The adjustable aluminum alloy electrolytic polishing device according to claim 1, wherein the solution tank is filled with any one of an electrolyte and a film-coating solution.

7. The adjustable aluminum alloy electrolytic polishing device as recited in claim 2, wherein the bottom end of the anode rod is fixed with the clamp through a bolt.