An intelligent aluminum liquid casting production line

Abstract

The present invention discloses an intelligent aluminum liquid casting production line, including aluminum liquid smelting equipment, casting equipment and a molten aluminum liquid peeling and slag removal system. The end of the robot arm of the molten aluminum liquid peeling and slag removal system is provided with a peeling and slag removal mechanism, and the peeling and slag removal mechanism includes a plate body, which can just be inserted into the notch of the aluminum ingot slot, and the lower wall of the plate body can completely cover the aluminum liquid surface in the aluminum ingot slot; the lower wall of the plate body is provided with a plurality of small holes arranged in an array to connect a negative pressure adsorption system; the processor of the control system implements the following steps when executing a program: when an aluminum liquid film layer is formed on the aluminum liquid surface in the aluminum ingot slot, the lower wall of the plate body is pressed against the aluminum liquid film layer in the aluminum ingot slot; the negative pressure adsorption system is controlled to be turned on so that the aluminum liquid film layer is adsorbed on the lower wall of the plate body; the plate body is moved to a specified position, and then the negative pressure adsorption system is closed. The present invention can smoothly and quickly complete the peeling and slag removal operation in the aluminum ingot slot, and can improve the one-time removal rate of the aluminum liquid film layer on the inner surface of the aluminum ingot slot during the production process.

Description

Technical Field

[0001] The invention belongs to the technical field of intelligent production lines for electrolytic aluminum, and specifically relates to an intelligent aluminum liquid melting and casting production line. Background Art

[0002] With the development and application of intelligent manufacturing, many electrolytic aluminum production lines have been transformed into intelligent production lines. In the production process of remelting aluminum ingots in electrolytic aluminum production, in order to ensure the surface quality of the obtained aluminum ingots, it is necessary to remove the scum layer (i.e., the aluminum liquid film layer) in the aluminum liquid. This operation process is also called peeling and slag removal.

[0003] At present, there are two mainstream technical routes for peeling and slag removal. One is to manually operate slag removal tools (usually using slag removal shovels) to remove the slag in the aluminum liquid and pour it out. The other is to use common aluminum liquid scraping (or scraping) robots to scrape and pour out the slag. However, it is not advisable to remove the aluminum liquid film layer on the inner surface of the aluminum ingot tank in multiple times, which will seriously affect the production efficiency. The above two solutions must use slag removal shovels to immerse in the aluminum liquid to scrape and pick up the aluminum liquid film layer. The main disadvantage is that the peeling and slag removal effect needs to be optimized, especially in the production process. The one-time removal rate of the aluminum liquid film layer on the inner surface of the aluminum ingot tank is only 60-80%. To further improve the one-time removal rate of the aluminum liquid film layer on the inner surface of the aluminum ingot tank has always been a technical difficulty faced by this field. Summary of the invention

[0004] In view of the technical problems mentioned in the background technology, the present invention aims to provide an intelligent aluminum liquid melting and casting production line.

[0005] The present invention adopts the following technical solution.

[0006] An intelligent aluminum liquid casting production line comprises aluminum liquid smelting equipment, casting equipment and a molten aluminum liquid peeling and slag removal system, wherein the molten aluminum liquid peeling and slag removal system comprises a robot, wherein a peeling and slag removal mechanism is arranged at the end of the robot's arm, and the peeling and slag removal mechanism comprises a plate body, wherein the plate body can just be inserted into the notch of an aluminum ingot groove, so that the lower wall of the plate body can completely cover the aluminum liquid surface in the aluminum ingot groove; a plurality of small holes arranged in an array are arranged on the lower wall of the plate body, and all the small holes are connected to a negative pressure adsorption system; and a control system is also included, wherein the processor of the control system implements the following steps when executing a program: S1, when an aluminum liquid film layer is formed on the aluminum liquid surface in the aluminum ingot groove, the robot is controlled to move the lower wall of the plate body against the aluminum liquid film layer in the aluminum ingot groove; S2, the negative pressure adsorption system is controlled to be turned on, so that the aluminum liquid film layer is adsorbed on the lower wall of the plate body; S3, the robot is controlled to move the plate body to a specified position, and then the negative pressure adsorption system is closed.

[0007] In the present invention, the diameter of the small hole is 5-10 mm, and the small hole is filled with compacted columnar carbon fiber material, and the spacing between adjacent small holes is no more than 5 mm. Furthermore, the lower end of the small hole has a retaining ring, the inner diameter of the retaining ring is 3-6 mm, and the inner diameter of the retaining ring is no greater than the diameter of the small hole.

[0008] In order to more smoothly perform peeling and slag removal, the plate body is provided with a plurality of partitions, through which the chamber above the small hole is divided into a plurality of independent chambers, and each independent chamber is correspondingly connected to a negative pressure adsorption pipeline.

[0009] In order to more smoothly perform the peeling, slag removal and slag removal, the lower end of the columnar carbon fiber material is flush with the lower wall of the plate body.

[0010] Beneficial effect: The scheme of the present invention can not only smoothly and quickly complete the peeling and slag removal operations in the aluminum ingot trough, but also can increase the one-time removal rate of the aluminum liquid film layer on the inner surface of the aluminum ingot trough to more than 98% during the production process without immersing the peeling and slag removal mechanism in the aluminum liquid. At the same time, it has the advantage of easy slag removal, solving the production technology problems that have plagued this field for many years. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 This is a schematic cross-sectional diagram of a plate body of a peeling and slag removal system of an intelligent aluminum liquid casting production line in Example 1;

[0012] Figure 2 It is a partial schematic diagram of the lower wall (bottom wall) of the plate body in Example 1;

[0013] Figure 3 for Figure 1 Enlarged view of area A in the middle. DETAILED DESCRIPTION

[0014] The technical solution of the present invention is described clearly and completely below in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0015] Example 1

[0016] Combination Figures 1 to 3As shown, an intelligent aluminum liquid casting production line includes aluminum liquid smelting equipment, casting equipment and a molten aluminum liquid peeling and slag removal system, the molten aluminum liquid peeling and slag removal system includes a robot, a peeling and slag removal mechanism is arranged at the end of the robot's arm, the peeling and slag removal mechanism includes a plate body 1, the plate body 1 can just be inserted into the notch of the aluminum ingot groove, so that the lower wall of the plate body 1 can completely cover the aluminum liquid surface in the aluminum ingot groove; a plurality of small holes 2 arranged in an array are arranged on the lower wall of the plate body 1, and all the small holes 2 are connected to a negative pressure adsorption system; and a control system is also included, and the processor of the control system implements the following steps when executing the program: S1, when an aluminum liquid film layer is formed on the aluminum liquid surface in the aluminum ingot groove, the robot is controlled to move the lower wall of the plate body 1 against the aluminum liquid film layer in the aluminum ingot groove (this point is one of the core technologies of this scheme); S2, the negative pressure adsorption system is controlled to be turned on, so that the aluminum liquid film layer is adsorbed on the lower wall of the plate body 1; S3, the robot is controlled to move the plate body 1 to a specified position, and then the negative pressure adsorption system is closed.

[0017] In this embodiment, the diameter of the small hole 2 is 8mm, and the small hole 2 is filled with a compacted columnar carbon fiber material 4 (the columnar carbon fiber material 4 is a columnar body compacted by fiber filaments, and only the side wall of the columnar body is brushed with adhesive), the lower end of the columnar carbon fiber material 4 is flush with the lower wall of the plate body 1, and the spacing between adjacent small holes 2 is 4mm (without considering the error). Among them, the lower end of the small hole 2 has a retaining ring 3, the inner diameter of the retaining ring 3 is 6mm, and the inner diameter of the retaining ring 3 is not greater than the diameter of the small hole 2, the wall thickness of the retaining ring 3 is 2mm, and the retaining ring 3 can prevent the columnar carbon fiber material 4 from moving downward.

[0018] In this embodiment, the plate body 1 has a plurality of partitions 5 , which divide the chamber above the small hole 2 into a plurality of independent chambers 7 , and each independent chamber 7 is connected to an independent negative pressure adsorption pipeline via a nozzle 6 .

[0019] Usage: Pour aluminum (raw materials) into aluminum liquid smelting equipment for smelting, introduce the smelted aluminum liquid into casting equipment and cast it into aluminum ingot trough, and when the aluminum ingot trough with aluminum liquid moves along the transmission line, a layer of aluminum liquid film (scum layer) will be formed on the surface of the aluminum liquid in the aluminum ingot trough. When the aluminum ingot trough moves to the vicinity of the robot of the robot peeling and slag removal system, first control the robot to make the lower wall of plate body 1 close to the aluminum liquid film layer in the aluminum ingot trough, then control the negative pressure adsorption system to start, so that the aluminum liquid film layer is adsorbed on the lower wall of plate body 1, then control the robot to move plate body 1 to the specified position, and then close the negative pressure adsorption system. At this time, the aluminum liquid film layer falls off due to the loss of adsorption force.

[0020] In the present solution, the columnar carbon fiber material 4 used is very critical. It is air permeable and has a large friction force at its bottom end. The specific plane structure formed by the bottom end of the columnar carbon fiber material 4 and the lower wall of the plate body 1 can adapt to the flexible characteristics of the aluminum liquid film layer, so that under the action of negative pressure, the aluminum liquid film layer can be smoothly adsorbed on the lower wall of the plate body 1 with the help of multiple array-arranged columnar carbon fiber materials 4. In addition, when the plate body 1 adsorbs the aluminum liquid film layer, there is no need to immerse the plate body 1 in the aluminum liquid, and there is almost no dead corner that cannot be adsorbed. Therefore, the one-time removal rate of the aluminum liquid film layer on the inner surface of the aluminum ingot slot can be quickly and smoothly increased to more than 98% during the production process, and almost no aluminum liquid is wasted. When using conventional slag shovels, the slag shovels must be immersed in the aluminum liquid. During the lifting process of the slag shovel, a large part of the aluminum liquid film on the slag shovel will fall from the slag shovel into the aluminum ingot trough. In addition, there are inevitably a large number of dead angles between the slag shovel and the inner wall of the aluminum ingot trough (areas that are inconvenient or even impossible to cover with the slag shovel), which results in a low one-time removal rate of the aluminum liquid film layer on the inner surface of the aluminum ingot trough, and some aluminum liquid will be wasted (brought out by the slag shovel).

[0021] By adopting the scheme of the present invention, not only can the peeling and slag removal operations in the aluminum ingot trough be completed smoothly and quickly, but also the one-time removal rate of the aluminum liquid film layer on the inner surface of the aluminum ingot trough can be increased to more than 98% during the production process without immersing the peeling and slag removal mechanism in the aluminum liquid. At the same time, it has the advantage of easy slag removal, solving the production technology problems that have plagued this field for many years.

Claims

1. An intelligent aluminum liquid casting production line, comprising aluminum liquid smelting equipment, casting equipment and a molten aluminum liquid peeling and slag removal system, wherein the molten aluminum liquid peeling and slag removal system comprises a robot, and a peeling and slag removal mechanism is arranged at the end of the robot's arm, characterized in that: The peeling and slag removal mechanism comprises a plate body (1), which can be just inserted into the notch of the aluminum ingot groove so that the lower wall of the plate body (1) can completely cover the surface of the aluminum liquid in the aluminum ingot groove; a plurality of small holes (2) arranged in an array are provided on the lower wall of the plate body (1), and all the small holes (2) are connected to a negative pressure adsorption system; the small holes (2) are filled with columnar carbon fiber materials (4) in a compacted state, and the lower ends of the columnar carbon fiber materials (4) are flush with the lower wall of the plate body (1); and also comprises a control system, and the processor of the control system implements the following steps when executing a program: S1, when an aluminum liquid film layer is formed on the surface of the aluminum liquid in the aluminum ingot groove, the robot is controlled to move the lower wall of the plate body (1) against the aluminum liquid film layer in the aluminum ingot groove; S2, the negative pressure adsorption system is controlled to be turned on, so that the aluminum liquid film layer is adsorbed on the lower wall of the plate body (1); S3, the robot is controlled to move the plate body (1) to a specified position, and then the negative pressure adsorption system is closed.

2. The intelligent aluminum liquid casting production line according to claim 1 is characterized in that: The diameter of the small holes (2) is 5 to 10 mm, and the distance between adjacent small holes (2) is no more than 5 mm.

3. The intelligent aluminum liquid casting production line according to claim 2 is characterized in that: The lower end of the small hole (2) is provided with a retaining ring (3), the inner diameter of the retaining ring (3) is 3-6 mm, and the inner diameter of the retaining ring (3) is not greater than the diameter of the small hole (2).

4. The intelligent aluminum liquid casting production line according to claim 3 is characterized in that: The plate body (1) is provided with a plurality of partitions (5), and the chamber above the small hole (2) is divided into a plurality of independent chambers by the partitions (5), and each independent chamber is connected to a corresponding negative pressure adsorption pipeline.

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