Automatic feeding device for a furnace

Abstract

The utility model discloses an automatic feeding device for smelting furnace relates to the technical field of metallurgical equipment, including turnover mechanism and load mechanism, and turnover mechanism includes support frame, guide slide rail, first slide bar, second slide bar, turnover frame and lifting assembly, and guide slide rail is fixedly connected with support frame, and guide slide rail includes vertical section, arc section and horizontal section, and first slide bar and second slide bar are respectively rotationally arranged at the top and bottom of turnover frame, and first slide bar is slidably connected with guide slide rail, and lifting assembly is used for driving second slide bar to move up and down along vertical direction, and load mechanism includes load frame and vibration assembly, and load frame is connected with turnover frame. Through the combination structure of turnover mechanism and load mechanism, the problems of easy jamming, skidding and accumulation in the granular and blocky material conveying are avoided, the conveying speed is stable and controllable, the smelting furnace heating rhythm is matched, the situation that the furnace temperature is too high or the material in the furnace is accumulated due to the feeding lag or too fast is avoided, and the production continuity is ensured.

Description

Technical Field

[0001] This utility model relates to the technical field of metallurgical equipment, specifically to an automatic feeding device for a furnace. Background Technology

[0002] In the production processes of industries such as metallurgy, casting, and chemicals, the furnace is the core heating equipment for metal smelting and raw material reaction. The operating status of its feeding process directly determines the stability of the production chain. Insufficient feeding efficiency will lead to the interruption of raw material supply in the furnace, causing a sudden rise in furnace temperature and affecting the uniformity of product composition. Deviation in feeding accuracy may cause material accumulation in the furnace, increasing energy consumption and potentially causing safety hazards such as furnace overheating. Therefore, ensuring that the feeding process is precisely matched with the furnace heating rhythm is a key requirement in industry production.

[0003] Currently, traditional furnace feeding methods mostly rely on two main types of equipment: screw conveyors and belt conveyors. Both are widely used in industrial settings due to their simple structure and low cost. Screw conveyors use the rotation of blades to propel material along the conveying pipe, making them suitable for conveying granular and small block materials. Belt conveyors, on the other hand, rely on the friction of the belt to move material horizontally, making them suitable for larger block materials and allowing for longer conveying distances.

[0004] However, in actual production, for granular materials, the gap between the blades of a screw conveyor and the inner wall of the conveying pipe is small. When impurities or uneven particle sizes are mixed in the material, they are easily stuck between the blades and the pipe wall, causing the blades to jam or even stop rotating. When a belt conveyor is conveying granular materials, if the belt tension is insufficient or the surface is worn, belt slippage is likely to occur, causing a sharp drop in the material conveying speed. For lumpy materials, the blades of a screw conveyor are prone to rigid collisions with the lumpy materials during the pushing process, which not only accelerates blade wear but may also cause material to accumulate in the conveying pipe due to uneven force, forming a blockage. Belt conveyors, on the other hand, are prone to material deviation, accumulation, or even damage to the belt at belt start-stop or turning points due to the large weight of the lumpy materials themselves. Utility Model Content

[0005] This utility model provides an automatic feeding device for furnaces, which can solve the problems in the prior art where the blades of screw conveyors are prone to jamming with granular or lumpy materials, and belt conveyors suffer from belt slippage and material accumulation, resulting in unstable conveying speed and inability to synchronize with the heating rhythm of the furnace. This often leads to situations where feeding is delayed, causing the furnace temperature to be too high, or feeding is too fast, causing material accumulation in the furnace, thus affecting the continuity of production.

[0006] An automatic feeding device for a furnace includes a tilting mechanism and a loading mechanism. The tilting mechanism includes a support frame, a guide rail, a first slide rod, a second slide rod, a tilting frame, and a lifting assembly. The guide rail is fixedly connected to the support frame and includes a vertical section, an arc section, and a horizontal section. One end of the arc section is connected to the vertical section, and the other end of the arc section is connected to one end of the horizontal section. The other end of the horizontal section is located above the furnace opening. The first slide rod and the second slide rod are rotatably mounted on the top and bottom of the tilting frame, respectively. The first slide rod is slidably connected to the guide rail. The lifting assembly drives the second slide rod to move up and down vertically. The loading mechanism includes a loading frame and a vibration assembly. The loading frame is connected to the tilting frame, and the vibration assembly generates vibration at the bottom of the loading frame.

[0007] According to one embodiment of the present invention, the lifting assembly includes a driving sprocket, a driven sprocket, a chain, and a connecting seat. The driving sprocket and the driven sprocket are rotatably connected to the bottom and top of the support frame, respectively, and the driven sprocket is located directly above the driving sprocket. The connecting seat is fixedly connected to the chain, and the second slide rod is fixedly connected to the connecting seat.

[0008] According to one embodiment of the present invention, the lifting assembly includes a first motor, which is fixedly connected to a support frame, and the output end of the first motor is fixedly connected to a drive sprocket on the same axis.

[0009] According to one embodiment of the present invention, the flipping mechanism further includes guide rods, and a plurality of guide rods are arranged in a rectangular array and fixedly disposed at the bottom of the flipping frame. The side of the material frame is provided with guide holes that are slidably connected to the guide rods.

[0010] According to one embodiment of the present invention, the flipping mechanism further includes a limiting plate, which is fixedly disposed horizontally on the top of the guide rod.

[0011] According to one embodiment of the present invention, the flipping mechanism further includes a spring, wherein a plurality of springs are provided and are respectively wound around the outside of the corresponding guide rod, one end of the spring abuts against the limiting plate, and the other end of the spring abuts against the port of the guide hole.

[0012] According to one embodiment of the present invention, the vibration assembly includes a rotating shaft and a cam. The rotating shaft is rotatably connected to the bottom of the tilting frame, the cam is fixedly connected to the rotating shaft, and the side of the cam abuts against the bottom of the loading frame.

[0013] According to one embodiment of the present invention, the vibration assembly further includes a second motor, which is fixedly connected to the bottom of the tilting frame, and the output end of the second motor is fixedly connected to the rotating shaft coaxially.

[0014] According to one embodiment of the present invention, the flipping mechanism further includes a guide plate, which is in the shape of an inverted funnel and fixedly connected to the top of the flipping frame, and the guide plate is located above the loading frame.

[0015] According to one embodiment of the present invention, the flipping mechanism further includes an electric guide rail and a sliding seat. One end of the electric guide rail is located on one side of the furnace, the sliding seat is slidably connected to the electric guide rail, and the sliding seat is fixedly connected to the support frame.

[0016] The advantages of this utility model compared to the prior art are: 1. By combining the tilting mechanism and the material-carrying mechanism, the traditional screw conveyor blade drive and belt conveyor friction drive are eliminated, fundamentally solving the problems of jamming, slippage and accumulation in the conveying of granular and blocky materials. This ensures that the conveying speed is stable and controllable, can accurately match the furnace heating rhythm, avoids the situation of excessive furnace temperature due to delayed feeding or material accumulation in the furnace due to excessive feeding, and ensures production continuity.

[0017] 2. The vibration component of the material loading mechanism can generate high-frequency vibration during feeding, breaking the adhesion between the material and the inner wall of the loading frame, reducing the material residue rate, improving the utilization rate of raw materials, and avoiding the impact of residual materials on the purity of subsequent production, thus reducing equipment cleaning costs. In addition, the volume of the loading frame can be customized, and the guide rail can be adjusted according to the furnace specifications, which can be adapted to various materials and furnaces of different shapes and sizes, reducing repeated investment by enterprises and improving the versatility of equipment. It is especially suitable for small and medium-sized metallurgical, casting, and chemical enterprises that produce multiple furnace types and multiple materials.

[0018] Additional aspects and advantages of this invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. Attached Figure Description

[0019] The above and / or additional aspects and advantages of this utility model will become apparent and readily understood from the description of the embodiments taken in conjunction with the following drawings, in which: Figure 1 This is a three-dimensional structural diagram of an automatic feeding device for a furnace.

[0020] Figure 2 yes Figure 1 A magnified schematic diagram of the local structure at point A.

[0021] Figure 3 This is a three-dimensional structural diagram of the flipping mechanism in this utility model.

[0022] Figure 4 This is a three-dimensional structural cross-sectional view of the material-carrying mechanism in this utility model.

[0023] Figure 5 yes Figure 4 A magnified view of the local structure at point B.

[0024] Figure 6 yes Figure 4 A magnified schematic diagram of the local structure at point C.

[0025] The reference numerals in the figures include: 1. Tilting mechanism; 2. Material loading mechanism; 3. Support frame; 4. Guide rail; 5. First slide rod; 6. Second slide rod; 7. Tilting frame; 8. Lifting assembly; 9. Vertical section; 10. Arc section; 11. Horizontal section; 12. Material loading frame; 13. Vibration assembly; 14. Drive sprocket; 15. Driven sprocket; 16. Chain; 17. Connecting seat; 18. Guide rod; 19. Limiting plate; 20. Spring; 21. Cam; 22. Guide plate; 23. Electric guide rail; 24. Sliding seat. Detailed Implementation

[0026] The specific embodiments of this utility model are described in detail below, but it should be understood that the protection scope of this utility model is not limited to the specific embodiments.

[0027] like Figures 1 to 6 As shown, an automatic feeding device for a furnace includes a tilting mechanism 1 and a loading mechanism 2. The tilting mechanism 1 includes a support frame 3, a guide rail 4, a first slide rod 5, a second slide rod 6, a tilting frame 7, and a lifting assembly 8. The guide rail 4 is fixedly connected to the support frame 3. The guide rail 4 includes a vertical section 9, an arc-shaped section 10, and a horizontal section 11. One end of the arc-shaped section 10 is connected to the vertical section 9, and the other end of the arc-shaped section 10 is connected to one end of the horizontal section 11. The other end of the horizontal section 11 is located above the furnace opening. The first slide rod 5 and the second slide rod 6 are rotatably disposed at the top and bottom of the tilting frame 7, respectively. The first slide rod 5 is slidably connected to the guide rail 4. The lifting assembly 8 is used to drive the second slide rod 6 to move up and down in the vertical direction. The loading mechanism 2 includes a loading frame 12 and a vibration assembly 13. The loading frame 12 is connected to the tilting frame 7, and the vibration assembly 13 is used to generate vibration at the bottom of the loading frame 12.

[0028] Initially, the tilting frame 7 is below the vertical section 9. After the material is loaded into the loading frame 12, the lifting assembly 8 is activated and drives the second slide rod 6 to move upward in the vertical direction. Due to the sliding engagement between the first slide rod 5 and the guide rail 4, and the rotatable connection between the second slide rod 6 and the tilting frame 7, the upward force of the second slide rod 6 will cause the tilting frame 7 to rotate around the first slide rod 5. At the same time, the first slide rod 5 slides upward along the vertical section 9 of the guide rail 4, causing the tilting frame 7 to gradually move away from the initial vertical state. When the first slide rod 5 slides to the connection between the vertical section 9 and the arc section 10, the rotation direction of the tilting frame 7 changes with the trajectory of the arc section 10, changing from vertical upward to arc-shaped tilting. As the lifting assembly 8 continues to apply force, the first slide rod 5 continues to slide along the arc section 10, and the tilting frame 7 drives the loading frame 12 to complete the tilting. At this time, the opening of the loading frame 12 faces downward, preparing for subsequent material feeding. When the first slide bar 5 enters the horizontal section 11, the tilting frame 7 maintains the horizontal posture after tilting, and the first slide bar 5 slides along the horizontal section 11 to the top of the furnace opening to complete the positioning of the feeding position.

[0029] When the loading frame 12 moves above the furnace opening with the tilting frame 7, the vibration component 13 generates high-frequency vibration at the bottom of the loading frame 12. The vibration breaks the adhesion between the material and the inner wall of the loading frame 12, ensuring that the material in the loading frame 12 falls into the furnace quickly and evenly, avoiding material residue. After feeding is completed, the lifting component 8 drives the second slide bar 6 to move downward, causing the tilting frame 7 to rotate in the opposite direction. The first slide bar 5 returns to its initial position along the guide rail 4, and the loading frame 12 returns to its initial upward opening state, entering the next feeding cycle.

[0030] By combining the tilting mechanism 1 and the loading mechanism 2, the traditional blade drive of screw conveyors and friction drive of belt conveyors are eliminated, fundamentally solving the problems of jamming, slippage, and accumulation in the conveying of granular and lumpy materials. This ensures stable and controllable conveying speed, accurately matches the furnace heating rhythm, and avoids excessive furnace temperature due to delayed feeding or material accumulation in the furnace due to excessive feeding, thus ensuring production continuity. The vibration component 13 of the loading mechanism 2 can generate high-frequency vibration during feeding, breaking the adhesion between the material and the inner wall of the loading frame 12, reducing the material residue rate, improving raw material utilization, and preventing residual material from affecting the purity of subsequent production, thus reducing equipment cleaning costs. In addition, the volume of the loading frame 12 can be customized, and the guide rail 4 can be adjusted according to the furnace specifications, making it suitable for various materials and furnaces of different shapes and sizes. This reduces repeated investment by enterprises, improves equipment versatility, and is especially suitable for small and medium-sized metallurgical, casting, and chemical enterprises that produce multiple furnace types and multiple materials.

[0031] According to one embodiment of the present invention, the lifting assembly 8 includes a drive sprocket 14, a driven sprocket 15, a chain 16, and a connecting seat 17. The drive sprocket 14 and the driven sprocket 15 are rotatably connected to the bottom and top of the support frame 3, respectively, with the driven sprocket 15 located directly above the drive sprocket 14. The connecting seat 17 is fixedly connected to the chain 16, and the second slide rod 6 is fixedly connected to the connecting seat 17. The lifting assembly 8 includes a first motor, which is fixedly connected to the support frame 3, and the output end of the first motor is coaxially fixedly connected to the drive sprocket 14.

[0032] When the first motor is started, its output shaft drives the drive sprocket 14 to rotate. Through the meshing transmission between the chain 16 and the drive sprocket 14, the driven sprocket 15 rotates synchronously. At the same time, the chain 16 drives the connecting seat 17 to move up and down vertically, thereby pulling the second slide bar 6 to rise and fall synchronously with the connecting seat 17. Finally, it drives the tilting frame 7 to complete the sliding and tilting action along the guide rail 4. When the first motor rotates forward, the connecting seat 17 rises, driving the tilting frame 7 to move upward to realize material conveying; when the first motor rotates in reverse, the connecting seat 17 falls, driving the tilting frame 7 to reset.

[0033] According to one embodiment of the present invention, the flipping mechanism 1 further includes guide rods 18. Several guide rods 18 are provided and are arranged in a rectangular array and fixedly disposed at the bottom of the flipping frame 7. The side of the material frame 12 is provided with guide holes that are slidably connected to the guide rods 18.

[0034] During the installation of the loading frame 12, align the guide hole on the side of the loading frame 12 with the guide rod 18 and insert it, so that the loading frame 12 slides along the guide rod 18 to the preset position at the bottom of the tilting frame 7, thus completing the rapid assembly of the loading frame 12 and the tilting frame 7. During the operation of the equipment, the guide rod 18 always restricts the displacement direction of the loading frame 12, ensuring that the loading frame 12 will not shift laterally or shake when it is tilted and moved with the tilting frame 7. When it is necessary to replace the loading frame 12 with a different volume, simply pull out the old loading frame 12 along the guide rod 18 and insert the new loading frame 12, without disassembling other parts of the tilting frame 7.

[0035] According to one embodiment of this utility model, the flipping mechanism 1 further includes a limiting plate 19, which is horizontally fixedly disposed on the top of the guide rod 18. The limiting plate 19 can effectively prevent the material frame 12 from detaching from the guide rod 18 during vibration or flipping, protecting the structural integrity of the material frame 12 and the flipping frame 7. It is especially suitable for scenarios where the vibration component 13 operates at high frequency, further improving the safety of equipment operation.

[0036] According to one embodiment of the present invention, the flipping mechanism 1 further includes a spring 20. Several springs 20 are provided and are respectively wound around the outside of the corresponding guide rod 18. One end of the spring 20 abuts against the limiting plate 19, and the other end of the spring 20 abuts against the port of the guide hole.

[0037] When the loading frame 12 is installed on the guide rod 18, the spring 20 is in a slightly compressed state, generating downward elastic pressure on the loading frame 12, so that the loading frame 12 is stably attached to the bottom of the tilting frame 7. When the vibration component 13 is working, the bottom of the loading frame 12 is vibrated, and the spring 20 will extend and retract synchronously with the vibration. On the one hand, the vibration amplitude of the loading frame 12 is amplified through elastic deformation, which enhances the destructive effect on the adhesion of the material. On the other hand, the spring 20 can buffer the vibration transmission between the loading frame 12 and the tilting frame 7, reducing the impact of vibration on the tilting frame 7, guide rail 4 and other structures.

[0038] According to one embodiment of this utility model, the vibration assembly 13 includes a rotating shaft and a cam 21. The rotating shaft is rotatably connected to the bottom of the tilting frame 7, and the cam 21 is fixedly connected to the rotating shaft. The side of the cam 21 abuts against the bottom of the material loading frame 12. The vibration assembly 13 also includes a second motor, which is fixedly connected to the bottom of the tilting frame 7. The output end of the second motor is coaxially fixedly connected to the rotating shaft. When the second motor is started, it drives the rotating shaft to rotate at high speed. The cam 21 rotates synchronously with the rotating shaft. Because the outer periphery of the cam 21 has an eccentric structure, it will periodically impact the bottom of the material loading frame 12 during rotation, pushing the material loading frame 12 to jump up and down along the guide rod 18, thus generating vibration. By adjusting the speed of the second motor, the impact frequency of the cam 21 can be changed, thereby adjusting the vibration intensity of the material loading frame 12 to adapt to the cleaning needs of different viscous materials.

[0039] According to one embodiment of this utility model, the flipping mechanism 1 further includes a guide plate 22, which is in the shape of an inverted funnel and fixedly connected to the top of the flipping frame 7, and the guide plate 22 is located above the material loading frame 12. When the material loading frame 12 is tilted with the flipping frame 7, the inverted funnel structure guides the material to gather towards the center through the tilted inner wall, so that the material falls accurately into the furnace below, avoiding the material from spilling outside the furnace.

[0040] According to one embodiment of this utility model, the tilting mechanism 1 further includes an electric guide rail 23 and a sliding seat 24. One end of the electric guide rail 23 is located on one side of the furnace, and the sliding seat 24 is slidably connected to the electric guide rail 23. The sliding seat 24 is fixedly connected to the support frame 3. When materials need to be conveyed, the electric guide rail 23 drives the sliding seat 24 to slide along the guide rail, thereby moving the support frame 3 and the entire tilting and loading mechanism 2 from the material storage area to the feeding station corresponding to the furnace opening. After feeding is completed, the sliding seat 24 drives the mechanism to return to the storage area along the guide rail for the next round of material loading, without the need for manual adjustment of the equipment position.

[0041] The above-disclosed embodiments are only a few specific examples of the present utility model. However, the embodiments of the present utility model are not limited thereto. Any changes that can be conceived by those skilled in the art should fall within the protection scope of the present utility model.

Claims

1. An automatic feeding device for a furnace, characterized in that, The system includes a tilting mechanism (1) and a loading mechanism (2). The tilting mechanism (1) includes a support frame (3), a guide rail (4), a first slide rod (5), a second slide rod (6), a tilting frame (7), and a lifting assembly (8). The guide rail (4) is fixedly connected to the support frame (3). The guide rail (4) includes a vertical section (9), an arc section (10), and a horizontal section (11). One end of the arc section (10) is connected to the vertical section (9), and the other end of the arc section (10) is connected to one end of the horizontal section (11). The other end of segment (11) is located above the furnace opening. The first slide rod (5) and the second slide rod (6) are respectively rotatably set at the top and bottom of the tilting frame (7). The first slide rod (5) is slidably connected to the guide rail (4). The lifting component (8) is used to drive the second slide rod (6) to move up and down in the vertical direction. The material loading mechanism (2) includes a material loading frame (12) and a vibration component (13). The material loading frame (12) is connected to the tilting frame (7). The vibration component (13) is used to generate vibration at the bottom of the material loading frame (12).

2. The automatic feeding device for a furnace as described in claim 1, characterized in that, The lifting assembly (8) includes a drive sprocket (14), a driven sprocket (15), a chain (16), and a connecting seat (17). The drive sprocket (14) and the driven sprocket (15) are rotatably connected to the bottom and top of the support frame (3), respectively. The driven sprocket (15) is located directly above the drive sprocket (14). The connecting seat (17) is fixedly connected to the chain (16), and the second slide rod (6) is fixedly connected to the connecting seat (17).

3. The automatic feeding device for a furnace as described in claim 2, characterized in that, The lifting assembly (8) includes a first motor, which is fixedly connected to the support frame (3), and the output end of the first motor is fixedly connected to the drive sprocket (14) on the same axis.

4. The automatic feeding device for a furnace as described in claim 1, characterized in that, The flipping mechanism (1) also includes guide rods (18). Several guide rods (18) are arranged in a rectangular array and fixedly installed at the bottom of the flipping frame (7). The side of the material frame (12) is provided with guide holes that are slidably connected to the guide rods (18).

5. An automatic feeding device for a furnace as described in claim 4, characterized in that, The flipping mechanism (1) also includes a limiting plate (19), which is fixedly mounted horizontally on the top of the guide rod (18).

6. The automatic feeding device for a furnace as described in claim 5, characterized in that, The flipping mechanism (1) also includes a spring (20), which is provided in several parts and is respectively wrapped around the outside of the corresponding guide rod (18). One end of the spring (20) abuts against the limiting plate (19), and the other end of the spring (20) abuts against the port of the guide hole.

7. The automatic feeding device for a furnace as described in claim 1, characterized in that, The vibration assembly (13) includes a rotating shaft and a cam (21). The rotating shaft is rotatably connected to the bottom of the tilting frame (7), and the cam (21) is fixedly connected to the rotating shaft. The side of the cam (21) abuts against the bottom of the loading frame (12).

8. An automatic feeding device for a furnace as described in claim 7, characterized in that, The vibration assembly (13) also includes a second motor, which is fixedly connected to the bottom of the tilting frame (7), and the output end of the second motor is fixedly connected to the rotating shaft coaxially.

9. An automatic feeding device for a furnace as described in claim 1, characterized in that, The flipping mechanism (1) also includes a guide plate (22), which is in the shape of an inverted funnel and is fixedly connected to the top of the flipping frame (7), and the guide plate (22) is located above the loading frame (12).

10. An automatic feeding device for a furnace as described in claim 1, characterized in that, The flipping mechanism (1) also includes an electric guide rail (23) and a sliding seat (24). One end of the electric guide rail (23) is located on one side of the furnace. The sliding seat (24) is slidably connected to the electric guide rail (23). The sliding seat (24) is fixedly connected to the support frame (3).

Images