Device for preventing meniscus of upper lip from being oxidized in aluminum alloy cast rolling
The problem of oxidation of the upper lip bend liquid surface in aluminum alloy casting and rolling was solved by using an argon gas injection system driven by a nozzle and a motor, thus improving the quality of aluminum alloy castings.
Patent Information
- Application Number
- CN202520446039.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-14
- Publication Date
- 2026-02-27
- Estimated Expiration
- 2035-03-14
AI Technical Summary
During the aluminum alloy casting and rolling process, the upper lip bend of the liquid surface is prone to oxidation, which leads to a decrease in the mechanical properties of the casting and the generation of casting defects.
The nozzle, motor, linkage rod and guide rail work together to drive the nozzle to move back and forth in the upper lip area, spraying argon gas to cover the entire area and reduce the oxygen content.
It effectively reduces oxidation of the liquid surface at the upper lip, improving the quality of aluminum alloy casting and rolling.
Smart Images
Figure CN223946766U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of aluminum alloy casting and rolling, in particular to a device for preventing oxidation of the upper lip bending liquid surface in aluminum alloy casting and rolling. BACKGROUND
[0002] The upper lip bending liquid surface in aluminum alloy casting and rolling refers to the bending liquid surface formed at the outlet of the casting nozzle due to the surface tension of the aluminum alloy melt during the casting and rolling process. The shape and stability of the bending liquid surface have an important influence on the casting and rolling process and product quality.
[0003] When the aluminum alloy liquid flows out through the casting nozzle, it will come into extensive contact with the air in the external environment. In this case, the upper lip area of the casting nozzle is prone to bending liquid surface oxidation. The existence of this oxidation phenomenon not only leads to a significant decrease in the mechanical properties of the casting, but also may induce a series of casting defects such as pores and small shrinkage holes, thereby further negatively affecting the strength and toughness of the casting. SUMMARY
[0004] The purpose of the utility model is to provide a device for preventing oxidation of the upper lip bending liquid surface in aluminum alloy casting and rolling to solve the problems raised in the background.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a device for preventing oxidation of the upper lip bending liquid surface in aluminum alloy casting and rolling, comprising a casting nozzle, the top end of the casting nozzle is fixedly connected with an isolation base, the isolation base is fixedly connected with a moving frame through a support rod, the top wall of the moving frame is provided with a first sliding groove, and the side wall of the moving frame is provided with a second sliding groove;
[0006] A spraying mechanism is arranged in the moving frame, the spraying mechanism comprises a nozzle, the top end of the nozzle is fixedly connected with a conveying pipe, one side of the nozzle is fixedly connected with a mounting block, and one side of the mounting block is fixedly connected with a guide rail frame.
[0007] A transmission mechanism is arranged at the top end of the isolation base, the transmission mechanism comprises a motor, and the output end of the motor is fixedly connected with a crankshaft.
[0008] Preferably, the conveying pipe is slidingly connected in the first sliding groove, and the mounting block is slidingly connected in the second sliding groove.
[0009] Preferably, one side of the mounting block slidingly penetrates the second sliding groove and is fixedly connected with the guide rail frame, and the nozzle is slidingly connected inside the moving frame.
[0010] Preferably, one end of the top part of the crankshaft is located inside the sliding groove on the guide rail frame.
[0011] Preferably, the motor is fixedly installed at the top end of the isolation base.
[0012] Compared with the prior art, the beneficial effects of this utility model are: through the coordinated work of the nozzle, motor, linkage rod and guide rail frame, the nozzle can be flexibly driven to move back and forth in the upper lip area, ensuring that the argon gas ejected by the nozzle can evenly cover the entire range of the upper lip, effectively reducing the oxygen content in this area, thereby reducing the oxidation effect of oxygen on the liquid surface of the upper lip, and significantly improving the overall quality of aluminum alloy casting and rolling. Attached Figure Description
[0013] Fig. 1 This is a schematic diagram of the main structure of this utility model;
[0014] Fig. 2 This is a schematic diagram of the bottom structure of this utility model;
[0015] Fig. 3 This is a side view of the structure of this utility model.
[0016] In the figure: 1. Casting nozzle; 2. Isolation base; 3. Moving frame; 4. First chute; 5. Second chute; 6. Spraying mechanism; 61. Nozzle; 62. Conveying pipe; 63. Mounting block; 64. Guide rail frame; 7. Transmission mechanism; 71. Motor; 72. Crankshaft. Detailed Implementation
[0017] 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.
[0018] Please see Figs. 1-3 The present invention provides the following technical solution:
[0019] Example 1: A device for preventing oxidation of the upper lip bend liquid surface during aluminum alloy casting and rolling, including a casting nozzle 1, an isolation base 2 fixedly connected to the top of the casting nozzle 1, a movable frame 3 fixedly connected to the isolation base 2 by a support rod, a first sliding groove 4 opened on the top wall of the movable frame 3, and a second sliding groove 5 opened on the side wall of the movable frame 3.
[0020] When in use, the aluminum alloy liquid flows out from the inside of the casting nozzle 1 to the outside, forming a curved liquid surface shape. The isolation base 2 can isolate the heat conducted from the inside of the casting nozzle 1.
[0021] In the embodiment, the movable frame 3 is provided with a spouting mechanism 6, the spouting mechanism 6 comprises a nozzle 61, the top end of the nozzle 61 is fixedly connected with a conveying pipe 62, one side of the nozzle 61 is fixedly connected with a mounting block 63, one side of the mounting block 63 is fixedly connected with a guide rail frame 64, the conveying pipe 62 is slidably connected in the first sliding groove 4, the mounting block 63 is slidably connected in the second sliding groove 5, one side of the mounting block 63 is slidably connected with the guide rail frame 64, and the nozzle 61 is slidably connected inside the movable frame 3.
[0022] The top end of the isolation base 2 is provided with a transmission mechanism 7, the transmission mechanism 7 comprises a motor 71, the output end of the motor 71 is fixedly connected with a crankshaft 72, one end of the top of the crankshaft 72 is located in the sliding groove inside the guide rail frame 64, and the motor 71 is fixedly installed at the top end of the isolation base 2.
[0023] In use, the conveying pipe 62 can be connected with an external argon conveying source, the argon conveying source can spout argon through the conveying pipe 62 and the nozzle 61, at this time, the motor 71 is started, the motor 71 drives the crankshaft 72 to rotate, the top of the crankshaft 72 is extruded against the inner wall of the sliding groove of the guide rail frame 64, so that the guide rail frame 64 moves in the rotating direction of the crankshaft 72, the guide rail frame 64 drives the mounting block 63 to move in the second sliding groove 5, the mounting block 63 drives the nozzle 61 to move inside the movable frame 3, and the nozzle 61 also drives the conveying pipe 62 to move in the first sliding groove 4, at this time, the nozzle 61 spouts argon to the top lip of the casting nozzle 1 in the moving process, the crankshaft 72 is continuously rotated in 360 degrees, so that the guide rail frame 64 drives the mounting block 63 and the nozzle 61 to move back and forth, so that the nozzle 61 uniformly spouts argon to the meniscus of the top lip of the aluminum alloy casting roll, the oxygen content around the top lip of the casting nozzle 1 is reduced, so that the damage of oxygen to the meniscus of the top lip is reduced, and the quality of the aluminum alloy casting is improved.
[0024] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.
Claims
1. A device for preventing oxidation of the upper lip bend liquid surface during aluminum alloy casting and rolling, comprising a casting nozzle (1), wherein an isolation base (2) is fixedly connected to the top of the casting nozzle (1), and a movable frame (3) is fixedly connected to the isolation base (2) by a support rod, wherein a first sliding groove (4) is provided on the top wall of the movable frame (3), and a second sliding groove (5) is provided on the side wall of the movable frame (3). Its features are: The movable frame (3) is provided with a spraying mechanism (6), which includes a nozzle (61), a conveying pipe (62) is fixedly connected to the top of the nozzle (61), a mounting block (63) is fixedly connected to one side of the nozzle (61), and a guide rail frame (64) is fixedly connected to one side of the mounting block (63). The top of the isolation base (2) is provided with a transmission mechanism (7), which includes a motor (71) and a crankshaft (72) is fixedly connected to the output end of the motor (71).
2. The device for preventing oxidation of the upper lip bend liquid surface during aluminum alloy casting and rolling according to claim 1, characterized in that: The delivery pipe (62) is slidably connected in the first groove (4), and the mounting block (63) is slidably connected in the second groove (5).
3. The device for preventing oxidation of the upper lip bend liquid surface during aluminum alloy casting and rolling according to claim 1, characterized in that: The second sliding groove (5) on one side of the mounting block (63) is fixedly connected to the guide rail frame (64), and the nozzle (61) is slidably connected inside the movable frame (3).
4. The device for preventing oxidation of the upper lip bend liquid surface during aluminum alloy casting and rolling according to claim 1, characterized in that: The top end of the crankshaft (72) is located inside the sliding groove on the guide rail frame (64).
5. The device for preventing oxidation of the upper lip bend liquid surface during aluminum alloy casting and rolling according to claim 1, characterized in that: The motor (71) is fixedly installed on the top of the isolation base (2).