A continuous two-way feeding device for a melting furnace

Abstract

The present invention provides a continuous two-way feeding device for a melting furnace. The feeding device is used simultaneously with several melting furnaces arranged in parallel. The feeding device comprises a first conveyor and a second conveyor. A supporting platform is arranged at the bottom of the second conveyor. A movable adjusting mechanism is arranged between the supporting platform and the second conveyor. The second conveyor comprises a two-way transmission mechanism and a scale conveyor belt. A weighing mechanism located below the scale conveyor belt is also arranged inside the second conveyor. The technical principle of the invention is as follows: the first conveyor and the second conveyor are arranged vertically and used in coordination, wherein the first conveyor transports the material to the second conveyor and then into the melting furnace, thereby realizing continuous feeding. The second conveyor is correspondingly arranged between the two melting furnaces. By adjusting the transmission direction of the second melting furnace, the two melting furnaces can be fed separately, thereby saving feeding equipment and reducing the equipment footprint.

Description

Technical Field

[0001] The invention relates to the technical field of melting furnace smelting, and in particular to a continuous two-way feeding device for a melting furnace. Background Art

[0002] A melting furnace is a kind of equipment widely used in the fields of steel production, precious metal processing, scrap metal recycling, etc. Its purpose is to use high temperature to melt the metal and purify and separate it, and finally obtain a metal ingot of a specific shape. The melting furnace equipment generally includes a furnace body and a matching feeding and discharging device. The traditional feeding method of the melting furnace is to set tracks and a feeding trolley on the furnace mouth platform. The suction cup is manually driven by the crane to feed the feeding trolley multiple times. After it is full, it drives along the track to the corresponding position of the furnace mouth under the action of the drive. The feeding trolley has a flipping mechanism, and the material is delivered to the furnace as the feeding trolley rotates. Alternatively, a larger steel hopper is filled with materials and then brought to the top of the furnace mouth by the crane for unloading.

[0003] Obviously, there are many inconveniences in the existing feeding equipment for melting furnaces: first, feeding through a trolley or a hopper is non-continuous feeding, and the raw materials added cannot be kept linear, which causes the materials inside the melting furnace to be always in an uneven state, which is not conducive to the stability of the smelting process; second, the current feeding equipment can only be used for one melting furnace, so each melting furnace must be equipped with a set of feeding equipment, resulting in high costs and excessive space; in addition, there are also problems such as inability to bear weight and measurement, and difficulty in moving and adjusting the position after installation. Summary of the invention

[0004] In view of the deficiencies in the prior art, the present invention provides a continuous two-way feeding device for a melting furnace, which solves the problems in the prior art of discontinuous feeding, being unfavorable to the stability of the smelting process, and the large equipment footprint and high cost.

[0005] According to an embodiment of the present invention, a continuous bidirectional feeding device for a melting furnace is provided, wherein the feeding device is used simultaneously with a plurality of melting furnaces arranged in parallel, and the feeding device comprises a first conveyor and a second conveyor, wherein the second conveyor is arranged between two adjacent melting furnaces, and the second conveyor is located on a line connecting the feeding ports at the tops of the two melting furnaces, and the conveying direction of the first conveyor is perpendicular to that of the second conveyor, so that the tail end of the first conveyor is located above the middle of the second conveyor;

[0006] A supporting platform is provided at the bottom of the second conveyor so that its height is above the feed port of the melting furnace. A movable adjustment mechanism is provided between the supporting platform and the second conveyor so that the two ends of the second conveyor can be respectively moved to the center position of the feed port at the top of different melting furnaces. The second conveyor includes a bidirectional transmission mechanism and a scale conveyor belt. The bidirectional transmission mechanism drives the scale conveyor belt to rotate in different directions. A weighing mechanism is also provided inside the second conveyor below the scale conveyor belt.

[0007] Furthermore, the first conveyor includes a horizontal section and an inclined section, wherein the horizontal section is buried and fixed in an area below the ground, and the inclined section is supported and inclined by a bracket so that one end is connected to the horizontal section and the other end extends above the second conveyor.

[0008] Furthermore, the support platform is arranged between two adjacent melting furnaces, and the height of the top of the support platform is parallel to the top of the melting furnace, so that the movable adjustment mechanism and the second conveyor installed on the movable adjustment mechanism are both higher than the melting furnace.

[0009] Furthermore, the movable adjustment mechanism includes several pairs of support rollers, and tracks are provided on both sides of the bottom of the second conveyor. The support rollers are arranged in pairs corresponding to the tracks on both sides, and a pile of support rollers located in the middle is also connected to a motor to drive the support rollers to rotate, thereby driving the tracks and the second conveyor to move.

[0010] Furthermore, the bidirectional transmission mechanism includes a reduction motor, a transmission shaft and rotating shafts respectively arranged at both ends of the transmission shaft, the rotating shafts are correspondingly arranged at both ends of the second conveyor, the scale plate conveyor belt is wound around the rotating shaft and driven by it, the transmission shaft is arranged inside the second conveyor perpendicular to the rotating shaft, wherein the reduction motor drives the transmission shaft to rotate, and then the transmission shaft drives the two rotating shafts to rotate at the same time, thereby driving the scale plate conveyor belt forward.

[0011] Furthermore, the output shaft of the reduction motor is perpendicular to the transmission shaft and is driven by a worm gear. A first bevel gear is provided at both ends of the transmission rod, and a second bevel gear is provided at a position corresponding to the bevel gear on the rotating shaft, and the first bevel gear and the second bevel gear at the same end are meshed, thereby realizing bevel gear transmission.

[0012] Furthermore, the weighing mechanism includes a gravity sensor, the scale conveyor belt includes a ring-shaped scale and a pulley for supporting the scale, the gravity sensor is located in the middle of the scale conveyor belt in the second conveyor, and several pulleys corresponding to the position above the gravity sensor are fixedly installed on the gravity sensor, so that the scale passing through this position is supported by the gravity sensor.

[0013] Furthermore, first baffles are provided on both sides of the first conveyor, and a second baffle is provided on a side of the second conveyor opposite to the first conveyor.

[0014] Furthermore, an inclined fence is provided around the starting end of the horizontal section of the first conveyor, and the fence is wrapped around the upper surface of the first conveyor to form a pit-like structure with one end open.

[0015] Furthermore, heat protection plates are provided at both ends of the second conveyor.

[0016] The technical principle of the present invention is: by vertically arranging the first conveyor and the second conveyor for use in conjunction with each other, the first conveyor transports the material to the second conveyor and then into the melting furnace, thereby realizing continuous feeding; and the second conveyor is correspondingly arranged between the two melting furnaces, and by adjusting the transmission direction of the second melting furnace, the two melting furnaces can be fed separately, thereby saving feeding equipment and reducing the equipment footprint.

[0017] Compared with the prior art, the present invention has the following beneficial effects:

[0018] 1. The present invention arranges the first conveyor and the second conveyor vertically for use, wherein the first conveyor transports the material to the second conveyor and then enters the melting furnace, thereby realizing continuous feeding, which can ensure that the material inside the melting furnace is in a stable state for a period of time, making the smelting process more stable and improving the effects of smelting and impurity separation;

[0019] 2. In the present invention, the second conveyor is correspondingly arranged between the two melting furnaces. By adjusting the transmission direction of the second melting furnace, the two melting furnaces can be fed separately, thereby saving feeding equipment, reducing the equipment footprint, and reducing production costs in terms of equipment and plant space;

[0020] 3. The second conveyor of the present invention also includes a bidirectional transmission mechanism, which is adjusted and arranged inside the scale plate conveyor belt of the second conveyor so that it will not be close to the melting furnace to avoid being damaged by high temperature, thereby improving the heat resistance and correspondingly reducing the maintenance cost and time;

[0021] 4. In the present invention, a movable adjustment mechanism is provided between the second conveyor and the support platform. The movable adjustment mechanism allows the second conveyor to move between two adjacent melting furnaces, thereby adjusting the position of the melting furnace corresponding to one end of the second conveyor. The second conveyor can not only be matched with melting furnaces of different sizes by adjusting the position to improve the scope of application, but also allow the end of the second conveyor to leave the feed port of the other melting furnace when feeding into one of the melting furnaces, so that one end of the second conveyor can be away from the high-temperature feeding area while feeding, thereby avoiding the end of the second conveyor being damaged by high temperature after long-term use and improving its service life.

[0022] 5. The first conveyor of the present invention includes a horizontal section and an inclined section, wherein the horizontal section is buried and fixed in an area below the ground, and the inclined section is inclined by a bracket so that one end of the inclined section is connected to the horizontal section and the other end extends to above the second conveyor, wherein an inclined fence is also provided around the starting end of the horizontal section, and the fence is covered on the upper surface of the first conveyor to form a pit-like structure with one end open, so that when feeding, the truck transporting the raw materials can directly dump the raw materials at the pit-like structure, and then the raw materials are automatically gathered on the horizontal section of the first conveyor under the obstruction of the fence, thereby realizing automatic unloading and improving the unloading work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a front schematic diagram of the overall structure of the present invention.

[0024] Figure 2 It is a schematic top view of the overall structure of the present invention.

[0025] Figure 3 It is a right side schematic diagram of the overall structure of the present invention.

[0026] Figure 4 It is a structural diagram of the second conveyor belt in the present invention.

[0027] Figure 5 It is a schematic diagram of the scale plate conveyor belt on the second conveyor belt in the present invention.

[0028] Figure 6 It is a schematic diagram of the bidirectional transmission mechanism of the second conveyor belt in the present invention.

[0029] In the above drawings: 1. first conveyor; 2. second conveyor; 3. support platform; 4. support roller; 11. horizontal section; 12. inclined section; 21. scale plate conveyor belt; 22. two-way transmission mechanism; 23. gravity sensor; 24. second baffle; 25. guide rail; 31. support rod; 32. flat plate; 111. fence; 121. bracket; 122. first baffle; 221. transmission shaft; 222. reduction motor; 223. rotating shaft; 2211. first bevel gear; 2231. second bevel gear. DETAILED DESCRIPTION

[0030] The technical solution of the present invention is further described below in conjunction with the accompanying drawings and embodiments.

[0031] like Figure 1 , Figure 2As shown, the embodiment of the present invention proposes a continuous bidirectional feeding device for a melting furnace, the feeding device is used simultaneously with a plurality of melting furnaces arranged in parallel, the feeding device comprises a first conveyor 1 and a second conveyor 2, wherein the second conveyor 2 is arranged between two adjacent melting furnaces, and the second conveyor 2 is located on the line connecting the top feeding ports of the two melting furnaces, the conveying direction of the first conveyor 1 is perpendicular to the second conveyor 2, so that the tail end of the first conveyor 1 is located above the middle of the second conveyor 2. In this way, a complete feeding structure is formed by connecting the first conveyor 1 and the second conveyor 2.

[0032] It should be noted that both the first conveyor 1 and the second conveyor 2 include a frame-type support shell and a scale conveyor belt 21, wherein the first conveyor 1 includes a horizontal section 11 and an inclined section 12, wherein the horizontal section 11 is buried and fixed in an area below the ground, and the inclined section 12 is supported by a bracket 121 to be inclined, so that one end is connected to the horizontal section 11 and the other end extends above the second conveyor 2. Both ends of the scale conveyor belt 21 of the first conveyor 1 are driven by a motor to realize transmission from the bottom to the top.

[0033] In the preferred solution, an inclined fence 111 is provided around the beginning of the horizontal section 11 of the first conveyor 1, and the fence 111 covers the upper surface of the first conveyor 1 to form a pit-like structure with one end open. Since the horizontal section 11 itself is buried in the area below the ground, and then the fence 111 covers the position near its beginning, an integral pit-like structure below the ground is formed, and the bottom of the pit-like structure is exactly the upper surface of the horizontal section 11 of the first conveyor belt, and the only opening of the pit-like structure is the transportation direction of the horizontal section 11. When feeding, the truck transporting the raw materials can directly dump the raw materials at the pit-like structure, and then the raw materials are automatically gathered on the horizontal section 11 of the first conveyor 1 under the obstruction of the fence 111, thereby realizing automatic unloading and improving the unloading work efficiency.

[0034] like Figure 3 As shown, correspondingly, a support platform 3 is provided at the bottom of the second conveyor 2, and the support platform 3 is provided between two adjacent melting furnaces so that its height is located above the feed port of the melting furnace. The support platform 3 includes a vertical support rod 31 and a flat plate 32 located on the top of the support rod 31. The height of the upper surface of the flat plate 32 is parallel to or higher than the top of the melting furnace, so that the second conveyor 2 can be higher than the melting furnace when it is located on the flat plate 32, thereby extending outward to the top of the feed port at the top of the melting furnace to realize the feeding operation. In the preferred solution, heat protection plates are provided at both ends of the second conveyor 2, so that when it extends to the top of the feed port at the top of the melting furnace, the internal parts are not easily damaged by high temperature.

[0035] Because the first conveyor 1 and the second conveyor 2 are arranged vertically and used together, the first conveyor 1 transports the material to the second conveyor 2, and then enters the melting furnace, thereby realizing continuous feeding. In this embodiment, preferably, the inclined section 12 of the first conveyor 1 is provided with a first baffle 122 on both sides, and the second conveyor 2 is provided with a second baffle 24 on the side opposite to the first conveyor 1, wherein the first baffle 122 on the first conveyor 1 is to prevent the material from sliding down from both sides during the ascending process, and the second baffle 24 on the second conveyor 2 is to prevent the material from popping out of the surface of the second conveyor 2 when it falls from the first conveyor 1.

[0036] like Figure 4 , Figure 5 As shown, in a further solution, a movable adjustment mechanism is provided between the flat plate 32 and the second conveyor 2, so that the two ends of the second conveyor 2 are respectively moved to the center position of the top feed port of different melting furnaces, and then the raw materials are fed into the melting furnace for smelting. By adjusting the transmission direction of the second melting furnace, the two melting furnaces can be fed separately, thereby saving feeding equipment, reducing the equipment footprint, and reducing production costs in terms of equipment and plant space.

[0037] In this embodiment, the movable adjustment mechanism includes a plurality of pairs of support rollers 4, and tracks are provided on both sides of the bottom of the second conveyor 2. The support rollers 4 are arranged in pairs corresponding to the tracks on both sides, and a pile of support rollers 4 located in the middle is also connected to a motor, so as to drive the support rollers 4 to rotate, thereby driving the track and the second conveyor 2 to move. Specifically, the track is a T-shaped track similar to a train track, and the support rollers 4 are clamped on the track, so that it is not easy to deflect during the sliding process. In addition, even if part of the second conveyor 2 extends out of the flat plate 32, it can be fixed by the support rollers 4 and the track to prevent the second conveyor 2 from tipping over outside the support platform 3 due to gravity.

[0038] In the specific scheme of this embodiment, the second conveyor 2 includes a bidirectional transmission mechanism 22 and a scale plate conveyor belt 21, and the bidirectional transmission mechanism 22 drives the scale plate conveyor belt 21 to rotate in different directions. The bidirectional transmission mechanism 22 includes a reduction motor 222, a transmission shaft 221, and a rotating shaft 223 disposed at both ends of the transmission shaft 221, and the rotating shaft 223 is correspondingly disposed at both ends of the second conveyor 2, and the scale plate conveyor belt 21 is wound around the rotating shaft 223 and driven by it, and the transmission shaft 221 is disposed inside the second conveyor 2 perpendicular to the rotating shaft 223, wherein the reduction motor 222 drives the transmission shaft 221 to rotate, and then the transmission shaft 221 simultaneously drives the two rotating shafts 223 to rotate, thereby driving the scale plate conveyor belt 21 forward.

[0039] The driving motor of the conventional scale conveyor belt 21 is arranged outside the rotating shaft 223 at both ends, and the rotating shaft 223 is directly driven to rotate by the driving motor. However, since the end of the scale conveyor belt 21 needs to extend above the melting furnace for feeding, the motor is prone to failure under high temperature baking. In this embodiment, the motor is located in the middle position inside the scale conveyor belt 21, so it can be far away from the feeding port of the melting furnace, so it is not affected by the high temperature, and the overall high temperature resistance of the equipment is improved.

[0040] like Figure 6 As shown, in the preferred solution of this embodiment, the output shaft of the reduction motor 222 is perpendicular to the transmission shaft 221 and is driven by a worm gear. First bevel gears 2211 are provided at both ends of the transmission rod, and second bevel gears 2231 are provided at positions corresponding to the bevel gears on the rotating shaft 223. The first bevel gear 2211 and the second bevel gear 2231 at the same end are meshed with each other, thereby realizing bevel gear transmission.

[0041] In a further solution, a weighing mechanism located below the scale conveyor belt 21 is further provided inside the second conveyor 2. The weighing mechanism includes a gravity sensor 23, and the scale conveyor belt 21 includes an annular scale and a pulley for supporting the scale. The gravity sensor 23 is located in the middle of the scale conveyor belt 21 in the second conveyor 2, and a number of pulleys corresponding to the position above the gravity sensor 23 are fixedly installed on the gravity sensor 23, so that the scale passing there is supported by the gravity sensor 23, so that when the scale carrying the material passes above the gravity sensor 23, the weight of the part of the material can be detected by the gravity sensor 23. Among them, the gravity sensor 23 can also be connected to a computer, so that the collected data can be sent to the computer for processing and real-time monitoring, and the real-time feed amount can be calculated according to the material weight and the conveyor belt speed, and then the feed amount can be adjusted according to the working conditions of the melting furnace to better carry out production work.

[0042] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention rather than to limit it. Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solution of the present invention can be modified or replaced by equivalents without departing from the purpose and scope of the technical solution of the present invention, which should be included in the scope of the claims of the present invention.

Claims

1. A continuous bidirectional feeding device for a melting furnace, the feeding device being used simultaneously with a plurality of melting furnaces arranged in parallel, characterized in that: The feeding device comprises a first conveyor and a second conveyor, wherein the second conveyor is arranged between two adjacent melting furnaces, and the second conveyor is located on the line connecting the feeding ports at the tops of the two melting furnaces, and the conveying direction of the first conveyor is perpendicular to that of the second conveyor, so that the tail end of the first conveyor is located above the middle of the second conveyor; A support platform is provided at the bottom of the second conveyor so that its height is located above the feed port of the melting furnace. A movable adjustment mechanism is provided between the support platform and the second conveyor so that the two ends of the second conveyor are respectively moved to the center position of the feed port at the top of different melting furnaces. The second conveyor includes a bidirectional transmission mechanism and a scale conveyor belt. The bidirectional transmission mechanism drives the scale conveyor belt to rotate in different directions respectively. A weighing mechanism is also provided inside the second conveyor and is located below the scale conveyor belt. The first conveyor includes a horizontal section and an inclined section, wherein the horizontal section is buried and fixed in an area below the ground, and the inclined section is supported and inclined by a bracket, so that one end of the inclined section is connected to the horizontal section and the other end extends above the second conveyor; The support platform is arranged between two adjacent melting furnaces, and the height of the top of the support platform is parallel to the top of the melting furnace, so that the movable adjustment mechanism and the second conveyor installed on the movable adjustment mechanism are both higher than the melting furnace; The movable adjustment mechanism includes a plurality of pairs of support rollers. Tracks are provided on both sides of the bottom of the second conveyor. The support rollers are arranged in pairs corresponding to the tracks on both sides. A motor is also connected to a pile of support rollers in the middle to drive the support rollers to rotate, thereby driving the tracks and the second conveyor to move. The bidirectional transmission mechanism includes a reduction motor, a transmission shaft and rotating shafts respectively arranged at both ends of the transmission shaft, the rotating shafts are correspondingly arranged at both ends of the second conveyor, the scale plate conveyor belt is wound around the rotating shafts and driven by the rotating shafts, the transmission shaft is perpendicular to the rotating shaft and arranged inside the second conveyor, wherein the reduction motor drives the transmission shaft to rotate, and then the transmission shaft drives the two rotating shafts to rotate at the same time, thereby driving the scale plate conveyor belt forward; The output shaft of the reduction motor is perpendicular to the transmission shaft and is driven by a worm gear. First bevel gears are provided at both ends of the transmission shaft, and second bevel gears are provided at positions corresponding to the bevel gears on the rotating shaft. The first bevel gear and the second bevel gear at the same end are meshed, thereby realizing bevel gear transmission.

2. A continuous bidirectional feeding device for a melting furnace according to claim 1, characterized in that: The weighing mechanism includes a gravity sensor, the scale conveyor belt includes a ring-shaped scale and a pulley for supporting the scale. The gravity sensor is located in the middle of the scale conveyor belt in the second conveyor, and several pulleys corresponding to the position above the gravity sensor are fixedly installed on the gravity sensor, so that the scale passing through the position above the gravity sensor is supported by the gravity sensor.

3. A continuous bidirectional feeding device for a melting furnace according to claim 1, characterized in that: The first conveyor is provided with first baffles on both sides, and the second conveyor is provided with a second baffle on a side opposite to the first conveyor.

4. A continuous bidirectional feeding device for a melting furnace according to claim 1, characterized in that: An inclined fence is provided around the starting end of the horizontal section of the first conveyor, and the fence is wrapped around the upper surface of the first conveyor to form a pit-like structure with one end open.

5. A continuous bidirectional feeding device for a melting furnace according to claim 1, characterized in that: Heat protection plates are provided at both ends of the second conveyor.

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