A hot rolling device for aluminum alloy strip

Abstract

The utility model belongs to hot rolling device technical field especially for a kind of hot rolling device for aluminium alloy strip, including support, the both sides of support are all set with guide slot, the inside of guide slot is all fixed with connecting block, two connecting blocks are rotatably connected with lower roller body by bearing between two connecting blocks, the inside of guide slot is all slidably connected with moving block, two moving blocks are rotatably connected with upper roller body by bearing between two moving blocks, the top of two moving blocks is fixed with U-shaped plate, the top of support is fixed with two hydraulic cylinders, the top of hydraulic cylinder is slidably penetrated through support and extends to its below and is fixedly connected with the top of U-shaped plate.The utility model is scraped component by being set on device, utilizes scraping component and can clean the debris generated on the surface of lower roller body and upper roller body due to extruding aluminium alloy strip in real time, to prevent adhered debris from being pressed into aluminium alloy strip surface when conveying, avoid the surface defects such as scratch, pit, inclusion etc. that aluminium alloy strip surface appears.

Description

Technical Field

[0001] This utility model relates to the technical field of hot rolling equipment, specifically a hot rolling equipment for aluminum alloy strip. Background Technology

[0002] Hot rolling mills utilize the rotation and pressure of rolls to force heated metal billets through the gaps between two or more rolls, causing them to undergo plastic deformation at high temperatures. This alters the shape, size, and properties of the metal material. During the rolling process, the metal billet is subjected to friction and pressure from the rolls, gradually becoming thinner and longer. Simultaneously, its internal structure changes, improving properties such as strength and toughness.

[0003] The existing patent publication number CN220804954U discloses a non-ferrous metal hot rolling mill, including a mounting frame, a limiting frame and a bearing plate. A first roller is rotatably mounted inside the mounting frame via a rotating shaft. A second roller is rotatably mounted inside the mounting frame at the top of the first roller. A linkage rod extending out of the mounting frame is fixedly mounted on the top of the second roller. A movable plate is fixedly mounted on the top of the linkage rod. A bearing plate is fixedly mounted on the inner side of the mounting frame. This invention, through the cooperation of a movable plate, a linkage rod, a limiting frame, and a fixed frame, allows the movable plate to move downwards via the pressure of the hydraulic cylinder output. The linkage rod then drives the second roller to press downwards, making the distance between the second and first rollers easily adjustable. This allows for convenient control of the extruded material thickness, increasing usability. However, this hot rolling mill only collects the debris falling from the first and second rollers during extrusion; it lacks the function of cleaning the first and second rollers. Consequently, debris generated during extrusion adheres to their surfaces, causing damage to the surface of non-ferrous metals during subsequent extrusion. Therefore, we propose a hot rolling device for aluminum alloy strips to solve the above problems. Utility Model Content

[0004] (a) Technical problems to be solved

[0005] To address the shortcomings of existing technologies, this utility model provides a hot rolling device for aluminum alloy strips, which solves the problems mentioned in the background art.

[0006] (II) Technical Solution

[0007] To achieve the above objectives, this utility model specifically adopts the following technical solution:

[0008] A hot rolling apparatus for aluminum alloy strip includes a support frame with guide grooves on both sides. A connecting block is fixed inside each guide groove. A lower roller is rotatably connected between two connecting blocks via bearings. A movable block is slidably connected inside each guide groove. An upper roller is rotatably connected between two movable blocks via bearings. A U-shaped plate is fixed to the top of the two movable blocks. Two hydraulic cylinders are fixed to the top of the support frame. The protruding ends of the hydraulic cylinders slidably extend through the support frame to its lower part and are fixedly connected to the top of the U-shaped plate. A scraping assembly for cleaning the surfaces of the lower and upper rollers is installed on the support frame.

[0009] Furthermore, the scraping assembly includes two guide blocks fixed to the inner wall of the support, and a lower scraper for cleaning the surface of the lower roller is fixed inside the two guide blocks. A mounting plate is fixed to one side wall of the U-shaped plate, and an upper scraper bucket for cleaning the surface of the upper roller is fixed to one side wall of the mounting plate. Two connecting pipes adapted to the guide blocks are fixed to the bottom of the upper scraper bucket, and the bottom ends of the connecting pipes are respectively inserted into the interior of the corresponding guide blocks. A collection bucket is provided below the upper scraper bucket and fixed between the inner walls of both sides of the support. A reciprocating mechanism for impacting the lower scraper and the upper scraper bucket is provided on one side wall of the collection bucket.

[0010] Furthermore, the reciprocating mechanism includes a rotating rod rotatably connected to the side wall of the collection hopper via a bearing. One end of the rotating rod is fixed with a rotating plate. One side wall of the rotating plate is movably connected to a reciprocating frame via a T-shaped shaft. Two limiting blocks adapted to the reciprocating frame are fixed to one side wall of the collection hopper. The reciprocating frame slides on the two limiting blocks. Two impact blocks are fixed to one side wall of both the lower scraper and the upper scraper hopper.

[0011] Furthermore, a guide pipe is fixedly connected to the bottom of the collection hopper, and a baffle is tightly inserted into a slot on one side of the guide pipe.

[0012] Furthermore, two support shafts are rotatably connected between the inner walls of both sides of the bracket via bearings, and support rollers are fixed on the surface of each support shaft.

[0013] Furthermore, each of the guide grooves has two guide rails fixed inside, and the two side walls of the two moving blocks are fixed with guide strips that are compatible with the guide rails.

[0014] (III) Beneficial Effects

[0015] Compared with the prior art, the present invention provides a hot rolling device for aluminum alloy strip, which has the following advantages:

[0016] This invention, by setting a scraping component on the device, can clean the debris generated on the surface of the lower and upper rollers due to the extrusion of the aluminum alloy strip in real time, thereby preventing the adhered debris from being pressed into the surface of the aluminum alloy strip during conveying, and avoiding surface defects such as scratches, pits, and inclusions on the surface of the aluminum alloy strip. Attached Figure Description

[0017] Figure 1 This is a first-view schematic diagram of the overall structure of this utility model;

[0018] Figure 2 This is a second-view schematic diagram of the overall structure of this utility model;

[0019] Figure 3 This is a schematic diagram of the U-shaped plate structure of this utility model;

[0020] Figure 4 This is a schematic diagram of the guide block structure of this utility model;

[0021] Figure 5 This is a schematic diagram of the collection bucket structure of this utility model;

[0022] Figure 6 This is a schematic diagram of the rotating plate structure of this utility model;

[0023] Figure 7 This is a schematic diagram of the support structure of this utility model.

[0024] In the diagram: 1. Support; 2. Guide groove; 3. Connecting block; 4. Lower roller body; 5. Moving block; 6. Upper roller body; 7. U-shaped plate; 8. Hydraulic cylinder; 9. Scraping assembly; 901. Guide block; 902. Lower scraper; 903. Mounting plate; 904. Upper scraper bucket; 905. Connecting pipe; 906. Collection bucket; 907. Reciprocating mechanism; 90701. Rotating rod; 90702. Rotating plate; 90703. Reciprocating frame; 90704. Limiting block; 90705. Impact block; 908. Guide pipe; 909. Baffle; 10. Support shaft; 11. Support roller; 12. Guide rail; 13. Guide strip. Detailed Implementation

[0025] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0026] Example

[0027] like Figure 1 , Figure 2, Figure 3 and Figure 7 As shown in the figure, an embodiment of the present invention discloses a hot rolling device for aluminum alloy strip, including a support 1. Two support shafts 10 are rotatably connected between the inner walls of both sides of the support 1 via bearings. Support rollers 11 are fixed on the surface of each support shaft 10, which can provide auxiliary support for conveying the aluminum alloy strip to be hot rolled. Guide grooves 2 are provided on both sides of the support 1. Connecting blocks 3 are fixed inside the guide grooves 2. A lower roller body 4 is rotatably connected between the two connecting blocks 3 via bearings. Moving blocks 5 are slidably connected inside the guide grooves 2. Two guide rails 12 are fixed inside the guide grooves 2. Guide strips 13 adapted to the guide rails 12 are fixed on both sides of the two moving blocks 5, which can provide auxiliary support and guidance for the moving blocks 5, so as to make them more stable during up and down movement. An upper roller body 6 is rotatably connected between the two moving blocks 5 via bearings. A U-shaped plate 7 is fixed on the top of the two moving blocks 5. Two hydraulic cylinders 8 are fixed at the top. The top ends of the hydraulic cylinders 8 slide through the bracket 1 and extend below it, and are fixedly connected to the top of the U-shaped plate 7. The bracket 1 is equipped with a scraping component 9 for cleaning the surfaces of the lower roller 4 and the upper roller 6. When using this aluminum alloy strip hot rolling device, a motor for driving the upper roller 6 to rotate is fixed on one of the moving blocks 5. The motor is not shown in the figure. By starting the two hydraulic cylinders 8, the U-shaped plate 7 can be moved down. After the U-shaped plate 7 moves down, it will drive the two moving blocks 5 to move down. After the two moving blocks 5 move down, they will drive the upper roller 6 to move down. At this time, the distance between the lower roller 4 and the upper roller 6 can be adjusted. When the lower roller 4 and the upper roller 6 work together to extrude the aluminum alloy strip, the scraping component 9 can clean the surfaces of both in real time and collect the debris that has been cleaned off the surfaces for subsequent processing.

[0028] like Figure 2 , Figure 4 and Figure 5As shown, in some embodiments, the scraping assembly 9 includes two guide blocks 901 fixed to the inner wall of the bracket 1. A lower scraper 902 for cleaning the surface of the lower roller 4 is fixed inside the two guide blocks 901. A mounting plate 903 is fixed to one side wall of the U-shaped plate 7. An upper scraper bucket 904 for cleaning the surface of the upper roller 6 is fixed to one side wall of the mounting plate 903. Two connecting pipes 905 adapted to the guide blocks 901 are fixedly connected to the bottom of the upper scraper bucket 904. The bottom ends of the connecting pipes 905 are respectively inserted into the interior of the corresponding guide blocks 901. A collection bucket 906 is fixed between the inner walls of both sides of the bracket 1 below the upper scraper bucket 904. A guide pipe 908 is fixedly connected to the bottom of the collection bucket 906. A baffle 909 is tightly inserted into a slot on one side of the guide pipe 908, allowing debris collected inside the collection bucket 906 to remain inside for easy cleaning later. During subsequent cleaning, simply separate the baffle 909 from the guide pipe 908, and the debris inside the collection hopper 906 can be discharged. One side wall of the collection hopper 906 is provided with a reciprocating mechanism 907 for impacting the lower scraper 902 and the upper scraper 904. In use, the lower scraper 902 is in contact with the surface of the lower roller 4, while the upper scraper 904 is in contact with the surface of the upper roller 6. When the upper roller 6 and the lower roller 4 rotate synchronously in opposite directions, the debris adhering to the surface of the upper roller 6 will fall into the interior of the upper scraper 904, and then fall into the interior of the collection hopper 906 through the connecting pipe 905. The debris adhering to the surface of the lower roller 4 can be directly scraped into the interior of the collection hopper 906 by the action of the lower scraper 902. The reciprocating mechanism 907 provided on the collection hopper 906 can reciprocate to strike the upper scraper 904 and the lower scraper 902, preventing the debris after cleaning from adhering to them.

[0029] like Figure 2 , Figure 5 and Figure 6As shown, in some embodiments, the reciprocating mechanism 907 includes a rotating rod 90701 rotatably connected to the side wall of the collecting hopper 906 via a bearing. One end of the rotating rod 90701 is fixed to a rotating plate 90702. One side wall of the rotating plate 90702 is movably connected to a reciprocating frame 90703 via a T-shaped shaft. Two limiting blocks 90704 adapted to the reciprocating frame 90703 are fixed to one side wall of the collecting hopper 906. The reciprocating frame 90703 slides on the two limiting blocks 90704. The lower scraper 902 and the upper scraper hopper 904 are also connected to the side wall of the collecting hopper 906. Each component has two fixed impact blocks 90705. In use, the motor is started to drive the rotating rod 90701 to rotate. After the rotating rod 90701 rotates, it will drive the rotating plate 90702 to rotate. Under the action of the two limit blocks 90704, when the rotating plate 90702 rotates, it can drive the reciprocating frame 90703 to move back and forth. After the reciprocating frame 90703 moves back and forth, it can reciprocate to impact the impact blocks 90705. Since the impact blocks 90705 are fixed on the lower scraper 902 and the upper scraper 904 respectively, the two can be reciprocated to impact each other.

[0030] Finally, it should be noted that the above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A hot rolling apparatus for aluminum alloy strip, comprising a support (1), characterized in that: The bracket (1) has guide grooves (2) on both sides. A connecting block (3) is fixed inside the guide groove (2). A lower roller (4) is rotatably connected between the two connecting blocks (3) through a bearing. A moving block (5) is slidably connected inside the guide groove (2). An upper roller (6) is rotatably connected between the two moving blocks (5) through a bearing. A U-shaped plate (7) is fixed on the top of the two moving blocks (5). Two hydraulic cylinders (8) are fixed on the top of the bracket (1). The top of the hydraulic cylinders (8) slides through the bracket (1) and extends below it and is fixedly connected to the top of the U-shaped plate (7). A scraping assembly (9) for cleaning the surfaces of the lower roller (4) and the upper roller (6) is installed on the bracket (1).

2. The hot rolling apparatus for aluminum alloy strip according to claim 1, characterized in that: The scraping assembly (9) includes two guide blocks (901) fixed to the inner wall of the bracket (1). The two guide blocks (901) are fixed with a lower scraper (902) for cleaning the surface of the lower roller (4). A mounting plate (903) is fixed to one side wall of the U-shaped plate (7). An upper scraper bucket (904) for cleaning the surface of the upper roller (6) is fixed to one side wall of the mounting plate (903). The bottom of the upper scraper bucket (904) is connected to two connecting pipes (905) adapted to the guide blocks (901). The bottom ends of the connecting pipes (905) are respectively inserted into the interior of the corresponding guide blocks (901). A collection bucket (906) is fixed between the inner walls of both sides of the bracket (1) below the upper scraper bucket (904). A reciprocating mechanism (907) for impacting the lower scraper (902) and the upper scraper bucket (904) is provided on one side wall of the collection bucket (906).

3. A hot rolling apparatus for aluminum alloy strip according to claim 2, characterized in that: The reciprocating mechanism (907) includes a rotating rod (90701) rotatably connected to the side wall of the collecting hopper (906) via a bearing. One end of the rotating rod (90701) is fixed with a rotating plate (90702). One side wall of the rotating plate (90702) is movably connected to a reciprocating frame (90703) via a T-shaped shaft. Two limiting blocks (90704) adapted to the reciprocating frame (90703) are fixed to one side wall of the collecting hopper (906). The reciprocating frame (90703) slides on the two limiting blocks (90704). Two impact blocks (90705) are fixed to one side wall of both the lower scraper (902) and the upper scraper (904).

4. A hot rolling apparatus for aluminum alloy strip according to claim 2, characterized in that: The bottom of the collection hopper (906) is connected to and fixed with a guide pipe (908), and a baffle (909) is tightly inserted into the slot opened on one side of the guide pipe (908).

5. A hot rolling apparatus for aluminum alloy strip according to claim 1, characterized in that: Two support shafts (10) are rotatably connected between the inner walls of the two sides of the bracket (1) via bearings, and support rollers (11) are fixed on the surface of each support shaft (10).

6. A hot rolling apparatus for aluminum alloy strip according to claim 1, characterized in that: The guide groove (2) has two guide rails (12) fixed inside, and the two side walls of the two moving blocks (5) are fixed with guide strips (13) that are compatible with the guide rails (12).

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