Double-flow eye control structure of aluminum melting furnace

Abstract

The utility model discloses a kind of double-flow eye control structures of aluminium melting furnace, including furnace body, the bottom of furnace body is equipped with first flow eye and second flow eye, and the opening of first flow eye and second flow eye is equipped with flow eye nozzle, the outer wall surface of furnace body is built with flow channel, and flow channel is located at the outside of two flow eye nozzles, arc slot is arranged in the inner side of flow eye nozzle, and two vertical guide rods are welded in arc slot. Advantage: compared with traditional aluminium melting furnace, the double-flow eye control structure is designed by double-flow eye, when one of flow eye appears to be blocked or blockage structure fails, another flow eye can be quickly enabled to continue production, avoid shutdown maintenance, significantly improve production efficiency. Arc-shaped block cooperates vertical guide rod, gear rack transmission mechanism, can accurately control the degree of flow eye opening and closing, and then realize fine adjustment to aluminium liquid flow, solve the problem that aluminium liquid flow rate is too fast to control caused by traditional blockage plug blockage.

Description

Technical Field

[0001] This utility model relates to the field of aluminum melting furnace technology, and in particular to a dual-flow control structure for an aluminum melting furnace. Background Technology

[0002] Melting furnaces are mainly used for melting and heating precious metals (such as gold, platinum, silver, copper, iron, stainless steel, aluminum alloys, aluminum, etc.). They are ideal equipment for university laboratories, research institutes, jewelry processing, and precision casting. Semi-continuous casting of aluminum alloys is a non-continuous production process, meaning that after one batch of melted metals is produced, the furnace needs to be remelted to produce the next batch. At this time, plugging rods are needed, and the plugs on the plugging rods are used to block the flow holes of the melting furnace to ensure normal melting and heat preservation inside the melting furnace.

[0003] In existing technologies, the flow port of aluminum melting furnaces is usually sealed by plugs on plugging rods. This flow port sealing structure causes the aluminum liquid to flow too fast after the plugging rod is removed, making it difficult to control the aluminum liquid flow rate. Secondly, aluminum melting furnaces on the market are usually single flow port structures. When the flow port is blocked or the sealing structure fails, the aluminum melting furnace needs to be shut down for maintenance, which affects the production efficiency of the aluminum melting furnace.

[0004] To address this, a dual-flow-hole control structure for an aluminum melting furnace is proposed, which combines the advantages of aluminum melt flow control and dual-flow-hole coordinated flow guidance, thereby solving the problems mentioned in the background technology. Utility Model Content

[0005] The purpose of this invention is to address the shortcomings of existing technologies by proposing a dual-flow control structure for aluminum melting furnaces.

[0006] To achieve the above objectives, the present invention adopts the following technical solution: a dual-flow-hole control structure for an aluminum melting furnace, comprising a furnace body, wherein a first flow-hole and a second flow-hole are provided at the bottom of the furnace body, and flow-hole nozzles are installed at the openings of both the first and second flow-holes; a flow channel is constructed on the outer wall of the furnace body, and the flow channel is located outside the two flow-hole nozzles; an arc-shaped groove is provided on the inner side of the flow-hole nozzle, and two vertical guide rods are welded in the arc-shaped groove; an arc-shaped blocking block is fitted on the surface of the two vertical guide rods, and the arc-shaped blocking block is sealed to the opening of the first or second flow-hole; a rack is embedded in the upper surface of the arc-shaped blocking block; an installation plate is welded to the top of the flow channel, and a servo motor is fixed to the top surface of the installation plate by bolts; a gear is fixedly connected to the output end of the servo motor, and the gear meshes with the rack.

[0007] Furthermore, the flow channel is composed of a flared portion and a constricted portion, and the flared portion of the flow channel is connected to the outer wall of the furnace body.

[0008] Furthermore, the top surface of the arc-shaped block has a circular hole, and the inner diameter of the circular hole is adapted to the diameter of the vertical guide rod.

[0009] Furthermore, the lower end of the rack is interference-fitted with the arc-shaped convex surface of the arc-shaped block, and the tooth surface of the rack is oriented towards the gear.

[0010] Furthermore, the flow nozzle is located inside the flared portion of the flow channel, and the cross-section of the flow nozzle has a U-shaped structure.

[0011] Furthermore, the concave surface of the arc-shaped block is in close contact with the outer wall of the furnace body, and the lower part of the arc-shaped block is inserted into the arc-shaped groove of the flow nozzle.

[0012] Furthermore, a bearing seat is fitted onto the output shaft of the servo motor, and the bottom of the bearing seat is fixedly connected to the top of the nozzle by bolts.

[0013] This utility model has the following beneficial effects:

[0014] Compared to traditional aluminum melting furnaces, this invention features a dual-flow-hole control structure. Through its dual-flow-hole design, if one flow-hole becomes blocked or the sealing structure fails, the other flow-hole can be quickly activated to continue production, avoiding downtime for maintenance and significantly improving production efficiency. The arc-shaped blocking block, combined with the vertical guide rod and gear and rack transmission mechanism, can precisely control the opening and closing degree of the flow-hole, thereby achieving fine-tuned adjustment of the aluminum flow rate. This solves the problem of uncontrollable excessively fast aluminum flow rate caused by traditional plugging and brazing techniques. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the overall structure of a dual-flow control structure for an aluminum melting furnace according to an embodiment of the present utility model;

[0016] Figure 2 yes Figure 1 Enlarged view of the A structure;

[0017] Figure 3 It is a cross-sectional view of a first-rate eye;

[0018] Figure 4 It is a 3D diagram of the arc-shaped blockage.

[0019] Legend:

[0020] 1. Furnace body; 2. First flow hole; 3. Second flow hole; 4. Flow channel; 5. Flow nozzle; 6. Mounting plate; 7. Servo motor; 8. Gear; 9. Arc-shaped block; 10. Rack; 11. Arc-shaped groove; 12. Vertical guide rod; 13. Shaft seat; 14. Round hole. Detailed Implementation

[0021] 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.

[0022] According to an embodiment of this utility model, a dual-flow control structure for an aluminum melting furnace is provided.

[0023] The present invention will now be further described in conjunction with the accompanying drawings and specific embodiments, such as... Figure 1-4 As shown, a dual-flow-hole control structure for an aluminum melting furnace according to an embodiment of the present invention includes a furnace body 1. A first flow-hole 2 and a second flow-hole 3 are provided at the bottom of the furnace body 1, and flow-hole nozzles 5 are installed at the openings of the first flow-hole 2 and the second flow-hole 3. A flow channel 4 is built on the outer wall of the furnace body 1, and the flow channel 4 is located outside the two flow-hole nozzles 5. An arc-shaped groove 11 is provided on the inner side of the flow-hole nozzle 5, and two vertical guide rods 12 are welded in the arc-shaped groove 11. Arc-shaped blocking blocks 9 are fitted on the surface of the two vertical guide rods 12, and the arc-shaped blocking blocks 9 are sealed to the opening of the first flow-hole 2 or the second flow-hole 3. A rack 10 is embedded in the upper surface of the arc-shaped blocking blocks 9. An installation plate 6 is welded to the top of the flow channel 4, and a servo motor 7 is fixed to the top surface of the installation plate 6 by bolts. A gear 8 is fixedly connected to the output end of the servo motor 7, and the gear 8 meshes with the rack 10. The first flow-hole 2 and the second flow-hole 3 are provided. This dual-flow-hole design breaks through the limitations of the traditional single-flow-hole design, allowing molten aluminum to be flexibly output through different flow-holes, greatly improving the controllability and flexibility of molten aluminum output and meeting diverse production needs. Flow-hole nozzles 5 are installed at both flow-hole openings. Flow-hole nozzles 5 not only protect the flow-holes and prevent molten aluminum from eroding them, but also regulate the direction of molten aluminum flow, ensuring a smooth and orderly flow. The servo motor 7 is equipped with a servo controller. In this patent, we only use it without modifying its structure or function. Its setting method, installation method, and electrical connection method are readily understood by those skilled in the art by following the instructions for use, and will not be elaborated here. The aluminum flow control method is as follows: the servo motor 7 at the corresponding flow-hole is started. The output shaft of the servo motor 7 drives the gear 8 to rotate. The gear 8 meshes with the rack 10, converting the rotational motion into the linear motion of the arc-shaped block 9 along the vertical guide rod 12, causing the arc-shaped block 9 to move away from the flow-hole opening, allowing the molten aluminum to flow out from the flow-hole nozzle 5. By controlling the speed and rotation angle of the servo motor 7, the moving distance of the arc-shaped block 9 can be precisely controlled, thereby adjusting the opening size of the flow port and achieving precise control of the molten aluminum flow rate.

[0024] Please refer to Figure 1The flow channel 4 is composed of a flared section and a constricted section. The flared section of the flow channel 4 is connected to the outer wall of the furnace body 1. The special structural design of the flow channel 4 allows the flared section to receive the molten aluminum from the flow hole. By utilizing its larger space and reasonable angle, the molten aluminum can flow in smoothly, avoiding impact and splashing caused by sudden changes in flow rate. The constricted section gathers and guides the molten aluminum, allowing it to flow out at a suitable flow rate and shape, ensuring the continuity and stability of the molten aluminum transmission.

[0025] Please refer to Figure 3 and Figure 4 The top surface of the arc-shaped block 9 has a circular hole 14, the inner diameter of which matches the diameter of the vertical guide rod 12. This matching of the circular hole 14 on the top surface of the arc-shaped block 9 with the vertical guide rod 12 further enhances the stability and accuracy of the movement of the arc-shaped block 9. The circular hole 14 slides on the vertical guide rod 12, limiting the lateral displacement of the arc-shaped block 9 and ensuring that it always moves along the predetermined direction during the opening and closing of the flow port, thus improving the reliability of the flow port control.

[0026] Please refer to Figure 3 and Figure 4 The lower end of the rack 10 is interference-fitted with the arc-shaped convex surface of the arc-shaped plug 9, and the tooth surface of the rack 10 faces the gear 8. The shape and installation method of the arc-shaped plug 9 ensure its sealing performance and operational flexibility. The arc-shaped concave surface is in close contact with the outer wall of the furnace body 1, which can form a good seal when the flow port is closed to prevent molten aluminum leakage; the lower part is inserted into the arc-shaped groove 11 of the flow port 5 to ensure that the arc-shaped plug 9 has stable support and positioning during movement, while facilitating its rapid opening and closing of the flow port.

[0027] Please refer to Figure 1 The nozzle 5 is located inside the flared portion of the flow channel 4, and the cross-section of the nozzle 5 is U-shaped. The U-shaped cross-section of the nozzle 5 and its installation position in the flared portion of the flow channel 4 allow it to better fit with the flow channel 4 and guide the flow of molten aluminum. The U-shaped structure can accommodate more molten aluminum, reducing the risk of molten aluminum overflow, while also constraining the flow direction of the molten aluminum, ensuring that the molten aluminum maintains a stable flow within the flow channel 4.

[0028] Please refer to Figure 2 and Figure 3 The arc-shaped concave surface of the arc-shaped plug 9 is tightly attached to the outer wall of the furnace body 1, and the lower part of the arc-shaped plug 9 is inserted into the arc-shaped groove 11 of the flow nozzle 5. The connection method between the lower end of the rack 10 and the arc-shaped plug 9, as well as the design of the tooth surface orientation, ensures effective meshing and stable transmission between the gear 8 and the rack 10. The interference fit ensures that the rack 10 and the arc-shaped plug 9 are firmly connected, and there will be no loosening or displacement during transmission. The tooth surface orientation towards the gear 8 ensures the smoothness and accuracy of power transmission, providing a reliable guarantee for the precise control of the flow nozzle.

[0029] Please refer to Figure 2 and Figure 3 A bearing seat 13 is fitted onto the output shaft of the servo motor 7, and the bottom of the bearing seat 13 is fixedly connected to the top of the flow nozzle 5 by bolts. The bearing seat 13 fitted onto the output shaft of the servo motor 7 and fixedly connected to the top of the flow nozzle 5 by bolts provides a stable mounting support for the servo motor 7. The bearing seat 13 not only ensures the stability of the servo motor 7 during operation and reduces errors caused by vibration, but also forms a reliable connection between the servo motor 7 and the flow nozzle 5, ensuring that power can be accurately and stably transmitted to the arc-shaped block 9, and achieving precise control of the flow nozzle.

[0030] Working principle:

[0031] In use, before the aluminum melting furnace starts working, the initial state of the servo motor 7 is set through the control system according to production needs to ensure that the arc-shaped blocking block 9 is in the appropriate position and to close or open the corresponding flow port. At this time, the servo motor 7 is stationary, the gear 8 does not rotate, and the arc-shaped blocking block 9 is fixed on the vertical guide rod 12. The arc-shaped concave surface is in close contact with the outer wall of the furnace body 1, and the lower part is inserted into the arc-shaped groove 11 of the flow port 5 to achieve the sealing or opening preparation of the flow port. When it is necessary for molten aluminum to flow out from a certain flow port, the servo motor 7 at the corresponding flow port is started. The output shaft of the servo motor 7 drives the gear 8 to rotate. The gear 8 meshes with the rack 10 to transmit the rotational motion, which is converted into the linear motion of the arc-shaped blocking block 9 along the vertical guide rod 12, so that the arc-shaped blocking block 9 moves away from the flow port opening, and the molten aluminum can flow out from the flow port 5. By controlling the speed and rotation angle of the servo motor 7, the moving distance of the arc-shaped plug 9 can be precisely controlled, thereby adjusting the opening size of the flow port and achieving precise control of the molten aluminum flow rate. The molten aluminum flowing out of the flow port 5 first enters the flared section of the flow channel 4. Utilizing the larger space and reasonable angle of the flared section, it flows smoothly into the flow channel, reducing impact and splashing. Subsequently, in the constricted section of the flow channel 4, the molten aluminum is gathered and guided, flowing to the designated position at a suitable flow rate and shape, completing the molten aluminum transfer process. When the molten aluminum outflow operation is completed or when it is necessary to switch flow ports, the servo motor 7 is restarted to rotate in the opposite direction, driving the gear 8 to reverse. This pulls the arc-shaped plug 9 back through the rack 10, causing it to tightly fit the flow port opening again, thus closing the flow port and preventing molten aluminum leakage. If a flow port malfunctions, the servo motor 7 of the other flow port can be started immediately, and the other flow port can be opened according to the above procedure, ensuring continuous production of the aluminum melting furnace.

[0032] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present 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 the present utility model should be included within the protection scope of the present utility model.

Claims

1. A structure for controlling the double stream eyes of an aluminum melting furnace, comprising a furnace body (1), characterized in that, The bottom of the furnace body (1) is provided with a first flow hole (2) and a second flow hole (3), and each of the openings of the first flow hole (2) and the second flow hole (3) is equipped with a flow nozzle (5). The outer wall of the furnace body (1) is constructed with a flow channel (4), and the flow channel (4) is located outside the two flow nozzles (5). The inner side of the flow nozzle (5) is provided with an arc-shaped groove (11), and two vertical guide rods (12) are welded in the arc-shaped groove (11). The surfaces of the two vertical guide rods (12) are... An arc-shaped plug (9) is installed and sealed to the opening of the first flow hole (2) or the second flow hole (3). A rack (10) is embedded in the upper surface of the arc-shaped plug (9). An installation plate (6) is welded to the top of the flow channel (4). A servo motor (7) is fixed to the top surface of the installation plate (6) by bolts. A gear (8) is fixedly connected to the output end of the servo motor (7). The gear (8) meshes with the rack (10).

2. The double stream eye control structure of an aluminum melting furnace according to claim 1, wherein The flow channel (4) is composed of a flared part and a constricted part, and the flared part of the flow channel (4) is connected to the outer wall of the furnace body (1).

3. The double stream eye control structure of an aluminum melting furnace according to claim 1, wherein The top surface of the arc-shaped block (9) is provided with a circular hole (14), and the inner diameter of the circular hole (14) is adapted to the diameter of the vertical guide rod (12).

4. The twin stream eye control structure of an aluminum melting furnace according to claim 1, wherein The lower end of the rack (10) is interference-fitted to the arc-shaped convex surface of the arc-shaped block (9), and the tooth surface of the rack (10) is set facing the gear (8).

5. The twin stream eye control structure of an aluminum melting furnace according to claim 2, wherein The flow nozzle (5) is located inside the flared portion of the flow channel (4), and the cross-section of the flow nozzle (5) is U-shaped.

6. The twin stream eye control structure of an aluminum melting furnace according to claim 1, wherein The arc-shaped concave surface of the arc-shaped block (9) is in close contact with the outer wall of the furnace body (1), and the lower part of the arc-shaped block (9) is inserted into the arc-shaped groove (11) of the flow nozzle (5).

7. The twin stream eye control structure of an aluminum melting furnace according to claim 1, wherein A bearing seat (13) is mounted on the output shaft of the servo motor (7), and the bottom of the bearing seat (13) is fixedly connected to the top of the nozzle (5) by bolts.

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