Negative plate detection device

Abstract

The utility model provides a cathode plate detection device, which is characterized in that infrared detection sensors are arranged on two sides of the plate surface of a cathode plate at a cathode plate detection station, the detection directions of the infrared detection sensors point to the plate surface of the cathode plate, and detection points of the infrared detection sensors are uniformly distributed in a matrix form; and a camera detector and a background light projector are further arranged on the two sides of the plate surface of the negative plate, the positions and postures of the edge covering strips are detected through cooperation of the camera detector and the background light projector, it is guaranteed that the negative plate meets the operation standard, and the qualified rate of the negative plate return groove electrolysis production starting plate is indirectly increased.

Description

Technical Field

[0001] The utility model relates to the technical field of electrolytic copper, in particular to a cathode plate detection device. Background Art

[0002] Currently, the domestic copper electrolysis process mostly uses molten copper refined in an anode furnace to cast an anode plate as the anode. A titanium seed plate is used as the cathode in the seed plate tank for electrolysis. Copper ions dissolve from the anode and enter the electrolyte, precipitating on the cathode titanium plate. When the copper skin on the cathode plate reaches a thickness of 0.5-0.7mm, it can be removed from the tank. The middle layer of the assembly plate removed from the tank is the cathode titanium plate. The copper skin formed on both sides of the cathode titanium plate is called the seed plate or starting plate. After processing, the seed plate can continue to be used as the cathode in the electrolytic cell for producing finished copper.

[0003] During the copper electrolysis process, the two side edges and the lower edge of the cathode plate are covered with slender edging strips. The continuous edging strips can ensure that the seed plates generated by the cathode plate during electrolysis in the seed plate electrolytic cell are separated from each other, so that two independent seed plates are finally generated on both sides of the cathode plate surface, rather than a whole copper plate connected to each other. The integrity of the edging strip coating and the accuracy of its position are very important. For example, the technical solution disclosed in the patent "A edging device for electrolytic refining cathode seed plates" (CN207483873U) uses edging strips that are generally made of plastic. The problem to be solved by the above technical solution is that the edging of the cathode plate is easy to fall off. In addition, when the cathode plate is bumped or worn during stripping or other transportation processes, it will also lead to insufficient flatness of the plate surface, and the quality of the seed plate generated by the side plate surface will not meet the standards. Therefore, in order to ensure the amount of copper electrolyte, it is necessary to inspect the plate surface and edging strips before the cathode plate returns to the cell for electrolysis. Utility Model Content

[0004] The utility model aims to provide a cathode plate detection device for detecting the position and posture of the cathode plate edge strip and the flatness of the cathode plate surface.

[0005] In order to achieve the above-mentioned purpose, the technical solution adopted by the utility model is as follows: a cathode plate detection device, a cathode plate with a vertical plate surface is suspended on a conveying line, a seed plate is attached to the plate surfaces on both sides of the cathode plate, the two side edges and the lower edge of the cathode plate are covered with slender edging strips, the lower ends of the edging strips at the two side edges of the cathode plate are respectively connected with the two ends of the edging strips at the lower edge of the cathode plate, the cathode plate detection station is provided with infrared detection sensors on both sides of the plate surface of the cathode plate, the detection direction of the infrared detection sensor points to the plate surface of the cathode plate and its detection points are evenly arranged in a matrix;

[0006] The cathode plate detection station is further provided with a camera detector and a background light projector on both sides of the cathode plate surface, and the lens of the camera detector and the light source of the background light projector are respectively facing the plate surface of the cathode plate.

[0007] The utility model mainly arranges infrared detection sensors on both sides of the cathode plate surface to measure the distance between them and the cathode plate surface, so as to detect the flatness of the cathode plate surface; a camera detector and a background light projector are arranged on both sides of the cathode plate surface, and the position and posture of the edge strip are detected through the cooperation of the two, so as to ensure that the cathode plate meets the operating standards, and indirectly improve the qualified rate of the cathode plate return tank electrolysis production seed plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0008] Figure 1 is a front view of the cathode plate;

[0009] Figure 2 、 3 These are side views of the cathode plate detection device with a brush and a brush roller. DETAILED DESCRIPTION

[0010] See also Figures 1 to 3 In the cathode plate detection device shown, a cathode plate B with a vertical plate surface is suspended on the conveying line, and a seed plate A is attached to the plate surfaces of both sides of the cathode plate B. The side edges and lower edge of the cathode plate B are covered with slender edging strips B10, and the lower ends of the edging strips B10 at the side edges of the cathode plate B are respectively connected with the two ends of the edging strips B10 at the lower edge of the cathode plate B. The cathode plate detection station is provided with infrared detection sensors 10 on both sides of the plate surface of the cathode plate B. The detection direction of the infrared detection sensor 10 points to the plate surface of the cathode plate B, and its detection points are evenly arranged in a matrix.

[0011] The cathode plate inspection station is further provided with a camera detector 20 and a background light projector 30 on both sides of the plate surface of the cathode plate B. The lens of the camera detector 20 and the light source of the background light projector 30 are respectively facing the plate surface of the cathode plate B.

[0012] In the above scheme, the infrared detection sensor 10 measures the distance between itself and the surface of the cathode plate B through light waves to detect the flatness of the surface of the cathode plate B. The infrared detection sensor 10 projects the detection points on the surface of the cathode plate B in a matrix-like and uniform arrangement to improve the measurement accuracy as much as possible. If the cathode plate B is bumped or worn during the peeling or other transportation process, resulting in insufficient flatness of the plate surface, the quality of the seed plate A generated by the side plate surface will not meet the standards. Therefore, the cathode plate B needs to be tested before it is transported to the seed plate electrolysis workshop. The light source of the background light projector 30 provides background light for the video detector 20 to avoid insufficient or uneven brightness of the light in the workshop affecting the measurement of the video detector 20. The imaging range of the video detector 20 and the illumination range of the light source of the background light projector 30 need to cover all the edging strips B10.

[0013] In order to ensure measurement accuracy, the number of infrared detection sensors 10 is at least 9.

[0014] To improve the detection accuracy of the edging strip B10, brushes 40 are symmetrically arranged on both sides of the surface of the cathode plate B at the cathode plate detection station, with the soft surface of the brush 40 in contact with the surface of the cathode plate B. When the cathode plate B is moved by the chain, the surface of the cathode plate B will shake, causing the lens of the camera detector 20 to be unable to accurately focus, seriously affecting the detection accuracy. The soft surface of the brush 40 placed in contact with the surface of the cathode plate B at the cathode plate detection station 20 can support the cathode plate B and prevent it from shaking violently, ensuring the camera detector's imaging accuracy and thus improving its recognition accuracy.

[0015] Preferably, the contact area between the cathode plate B at the cathode plate inspection station and the brush 40 is located at the lower portion of the surface of the cathode plate B. Since the cathode plate B is transported on the conveyor line by chain drive hoisting, the cathode plate B mainly swings around the conductive rod B' on which it is suspended. The arrangement of the brush 40 at the lower portion of the surface of the cathode plate B is more conducive to the stability of the cathode plate B. That is, the longer the force arm between the portion where the brush 40 contacts the surface of the cathode plate B and the conductive rod B', the smaller the pressure that the brush 40 needs to apply to the cathode plate B, and the better the limiting effect of the brush 40 on the cathode plate B.

[0016] In order to ensure the stability of the brush 40 when it first contacts the surface of the cathode plate B, the soft surface of the brush 40 is arc-shaped, with the center of curvature of the arc-shaped surface facing away from the surface of the cathode plate B.

[0017] A more preferred solution is to have brush rollers 41 symmetrically arranged on both sides of the surface of the cathode plate B at the cathode plate inspection station, with the roller surface of the brush roller 41 in contact with the surface of the cathode plate B, and the wheel core of the brush roller 41 being parallel to the surface of the cathode plate B and perpendicular to the displacement and conveying direction of the cathode plate B. The contact area between the cathode plate B at the cathode plate inspection station and the brush roller 41 is located at the lower part of the surface of the cathode plate B. Compared to the solution of providing a brush 40, rolling friction rather than sliding friction is generated between the brush roller 41 and the cathode plate B, significantly reducing friction and improving the stability of the conveying of the cathode plate B.

Claims

1. A cathode plate detection device, characterized in that: A cathode plate (B) with a vertical plate surface is suspended on the conveying line, and seed plates are attached to the plate surfaces on both sides of the cathode plate (B). The two side edges and the lower edge of the cathode plate (B) are covered with slender edge strips (B10), and the lower ends of the edge strips (B10) at the two side edges of the cathode plate (B) are respectively connected with the two ends of the edge strips (B10) at the lower edge of the cathode plate (B). The cathode plate detection station is provided with infrared detection sensors (10) on both sides of the plate surface of the cathode plate (B), and the detection direction of the infrared detection sensor (10) points to the plate surface of the cathode plate (B), and its detection points are evenly arranged in a matrix. The cathode plate detection station is further provided with a camera detector (20) and a background light projector (30) on both sides of the plate surface of the cathode plate (B), and the lens of the camera detector (20) and the light source of the background light projector (30) are respectively directed towards the plate surface of the cathode plate (B).

2. The cathode plate detection device according to claim 1, characterized in that: Brushes (40) are symmetrically arranged on both sides of the plate surface of the cathode plate (B) at the cathode plate detection station, and the soft surfaces of the brushes (40) are in contact with the plate surface of the cathode plate (B).

3. The cathode plate detection device according to claim 2, characterized in that: The contact portion between the cathode plate (B) and the brush (40) at the cathode plate detection station is located at the lower portion of the cathode plate (B) surface.

4. The cathode plate detection device according to claim 1, characterized in that: The number of the infrared detection sensors (10) is at least 9.

5. The cathode plate detection device according to claim 2 or 3, characterized in that: The soft surface of the brush (40) is arc-shaped, and the center of curvature of the arc-shaped surface faces away from the plate surface of the cathode plate (B).

6. The cathode plate detection device according to claim 1, characterized in that: Brush rollers (41) are symmetrically arranged on both sides of the plate surface of the cathode plate (B) at the cathode plate detection station, the roller surface of the brush roller (41) is in contact with the plate surface of the cathode plate (B), and the wheel core of the brush roller (41) is parallel to the plate surface of the cathode plate (B) and perpendicular to the displacement and conveying direction of the cathode plate (B).

7. The cathode plate detection device according to claim 6, characterized in that: The contacting portion between the cathode plate (B) and the brush roller (41) at the cathode plate detection station is located at the lower portion of the cathode plate (B) surface.

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