Feeding device of smelting furnace

Abstract

The utility model discloses a feeding device of a smelting furnace, belongs to the technical field of feeding of the smelting furnace, and aims to solve the problems that in the prior art, a weighing assembly in a weighing funnel of the feeding device is generally fixedly mounted at the middle lower end of the interior of the funnel, and ore raw materials are accumulated above a weighing plate after being fed into the funnel by a distributing bin, so that the feeding device is inconvenient to use. When the weight reaches a preset value, the purpose of blanking is achieved, but the ore raw materials possibly form dispersed blanking in the process of feeding the materials into the funnel, so that part of the raw materials can be directly blanked in advance from the periphery without reaching the upper part of the weighing plate; alternatively, the same problem is formed due to inertia when the weighing plate is in contact with the plate surface of the weighing plate. Comprising a material distributing bin, a sequential material guiding mechanism is installed below the material distributing bin, the sequential material guiding mechanism comprises a first rotating sleeve, a bearing hopper is fixedly arranged on the inner side of the first rotating sleeve, a funnel is arranged below the bearing hopper, and a material buffering and weighing mechanism is installed in the funnel.

Description

TECHNICAL FIELD

[0001] The utility model belongs to smelting furnace feeding technology field, concretely relates to a smelting furnace's feeding device. BACKGROUND

[0002] Smelting furnace refers to the smelting furnace of melting iron ore, and before smelting furnace iron ore, the feeding device of iron ore raw material needs to be used.

[0003] The existing feeding device adopts multiple component hoppers, weighing hoppers, corresponding conveying belts and a total conveying belt to realize the proportioning of various ore raw materials, so as to ensure that the final total conveying belt can send the proportioned raw materials into the smelting furnace.

[0004] For the existing feeding device, the weighing assembly in its own weighing hopper is generally fixedly installed in the middle and lower end of the hopper, when the ore raw material is fed into the hopper by the component hopper, it will be accumulated above the weighing plate, when the weight reaches the preset value, it will reach the purpose of discharging, however, the ore raw material may form scattered discharging during feeding into the hopper, thus part of the raw material may directly discharge from the surrounding before reaching the weighing plate, or contact the weighing plate surface and form the above-mentioned problem due to inertia problem. SUMMARY

[0005] (1) Technical problem to be solved

[0006] In view of the defects of the prior art, the purpose of the utility model is to provide a smelting furnace feeding device, which aims to solve the problem that the weighing assembly in the own weighing hopper of the prior art is generally fixedly installed in the middle and lower end of the hopper, when the ore raw material is fed into the hopper by the component hopper, it will be accumulated above the weighing plate, when the weight reaches the preset value, it will reach the purpose of discharging, however, the ore raw material may form scattered discharging during feeding into the hopper, thus part of the raw material may directly discharge from the surrounding before reaching the weighing plate, or contact the weighing plate surface and form the above-mentioned problem due to inertia problem.

[0007] (2) Technical scheme

[0008] In order to solve the above technical problems, the utility model provides a kind of feeding device of smelting furnace, including distributing bin, the distributing bin lower installation has sequential material guiding mechanism, the sequential material guiding mechanism includes first rotating sleeve, and the inboard of first rotating sleeve is fixed with bearing bucket, the lower portion of bearing bucket is provided with hopper, and the inside of hopper is installed with slow material weighing mechanism, the bottom both sides of hopper are fixed with baffle plate, and the lower portion of hopper is provided with conveying belt, the slow material limiting plate of slow material weighing mechanism, and the inside of hopper is divided, the side of multiple slow material limiting plate is fixed with fixed rod, the inside one side of hopper is installed with anti -spreading component, the anti -spreading component includes second rotating sleeve, and the upper portion of second rotating sleeve is installed with weighing part.

[0009] Further, the anti -spreading component includes connecting frame, and connecting frame is fixed to the inside one side of hopper, the middle part of connecting frame is fixed with second rotating rod, and the periphery of second rotating rod is equipped with second rotating sleeve, the upper portion one side of weighing part is fixed with leakage plate, the side of weighing part both sides is fixed with fixed block, and the upper portion of two fixed blocks is installed with second cylinder, the side of the extension of second cylinder is fixed with toothed plate, the end both sides of one of slow material limiting plate is installed with rotating shaft, and the periphery of one of rotating shaft is fixed with gear, and the other side of rotating shaft is connected with baffle.

[0010] Further, the two ends of second cylinder are connected with fixed block and the lower end of one of slow material limiting plate respectively.

[0011] Further, the gear between toothed plate and the periphery of one of rotating shaft is engaged transmission connection.

[0012] Further, the slow material limiting plate is distributed along the inside of hopper in equidistant staggered mode.

[0013] Further, the sequential material guiding mechanism includes fixed frame, and fixed frame is fixed to the both ends of one side of distributing bin, the inside of two fixed frames is installed with first rotating rod, and the periphery of first rotating rod is equipped with first rotating sleeve, the front end of bearing bucket is provided with discharge port, the upper portion of one end of bearing bucket is installed with first cylinder, and the upper end of both sides of bearing bucket and the both sides of one side of distributing bin are fixed with fixed ring, the middle part of two pairs of fixed ring is installed with telescopic rod, and the top of the extension end of telescopic rod is connected with connecting plate, the inside end between connecting plate and the end of telescopic rod is installed with return spring, and the top of the end of telescopic rod and connecting plate is fixed with lifting hook.

[0014] Further, the two lifting hooks fixed to the top of the end of telescopic rod and connecting plate are hung on the fixed ring of the upper end of both sides of bearing bucket and the both sides of one side of distributing bin respectively.

[0015] (3) Advantageous effects

[0016] Compared with the prior art, the utility model has the beneficial effects that:

[0017] The raw material enters the hopper, and is successively subjected to slow-feeding and guiding by several slow-feeding limiting plates, which can avoid the raw material from directly falling on the weighing part, and can slow down the raw material feeding speed to avoid splashing, the constrained raw material falls on the weighing part and is stacked, when the weighing part detects that the weight of the stacked raw material above it reaches the required smelting proportion, personnel can start the extension of the extension end of the second cylinder to press the two side fixing blocks of the weighing part, under the guiding movement of the second rotating rod and the second rotating sleeve on the other side of the weighing part, the weighing part can achieve the feeding angle, at the same time, the toothed plate fixed on one side of the extension end of the two second cylinders can synchronously rotate with the toothed plates on the two sides of the slow-feeding limiting plate and the middle rotating shaft, thus the baffle synchronously connected with the two rotating shafts can be angularly rotated, so that the originally closed area becomes a feeding opening, and the purpose of feeding all the raw materials can be achieved in this state.

[0018] The personnel pre-throw the ore raw material to be smelted by the furnace into the distributing bin, part of the raw material directly falls on the bearing hopper, when it is needed to throw the raw material into the hopper to perform the weighing operation, the personnel can start the first cylinder, at this moment, the extension end of the first cylinder can press one end above the bearing hopper, under the cooperation and guidance of the first rotating rod and the first rotating sleeve on the other end, the feeding angle of the bearing hopper can be adjusted, when the raw material in the hopper is far from reaching the weighing threshold, the feeding angle can be large, if the raw material in the hopper is close to reaching the weighing threshold, the feeding angle can be small, thus the subsequent weighing accuracy can be improved, the influence of too much or too little raw material on the subsequent smelting can be avoided, when the subsequent raw material is not needed to be thrown, the first cylinder is retracted, under the reset elasticity of the extension rod, the connecting plate, the reset spring and the hook, the pulling force of the first cylinder on the bearing hopper under normal circumstances can be reduced. BRIEF DESCRIPTION OF DRAWINGS

[0019] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or the prior art description. Obviously, the drawings in the following description only show some embodiments of the present application, and other drawings can also be obtained by those skilled in the art without any creative effort.

[0020] Figure 1 It is a three-dimensional structure schematic view of the utility model;

[0021] Figure 2 It is Figure 1 It is a structure schematic view of A in the middle;

[0022] Figure 3 It is a schematic view of the internal structure of the hopper;

[0023] Figure 4 For Figure 3 The structural schematic view of the middle B.

[0024] The signs in the drawings are: 1, a distribution bin; 2, a sequential material guiding mechanism; 21, a fixed frame; 22, a first rotating rod; 23, a first rotating sleeve; 24, a discharging port; 25, a first air cylinder; 26, a fixed ring; 27, a telescopic rod; 28, a connecting plate; 29, a reset spring; 210, a lifting hook; 3, a bearing hopper; 4, a hopper; 5, a slow feeding and weighing mechanism; 51, a slow feeding limiting plate; 52, a fixed rod; 53, an anti-spreading assembly; 531, a connecting frame; 532, a second rotating rod; 533, a second rotating sleeve; 534, an anti-leakage plate; 535, a fixed block; 536, a second air cylinder; 537, a toothed plate; 538, a rotating shaft; 539, a gear; 5310, a baffle; 54, a weighing part; 6, a baffle plate; 7, a conveying belt. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0026] The present detailed description is a feeding device of a smelting furnace, and a structural schematic view thereof is as shown in Figures 1 to 4As shown, including the distribution warehouse 1, the lower distribution warehouse 1 is provided with a sequence of material guide mechanism 2, the sequence of material guide mechanism 2 includes a first rotating sleeve 23, and the inner side of the first rotating sleeve 23 is fixedly provided with a bearing bucket 3, the lower side of the bearing bucket 3 is provided with a hopper 4, and the inside of the hopper 4 is provided with a slow material weighing mechanism 5, the bottom of the hopper 4 is provided with a baffle plate 6, and the lower side of the hopper 4 is provided with a conveying belt 7, the sequence of material guide mechanism 2 includes a fixed frame 21, and the fixed frame 21 is fixedly provided on one side of the distribution warehouse 1 Two ends, the inner side of the two fixed frames 21 is provided with a first rotating rod 22, and the first rotating rod 22 is provided with a first rotating sleeve 23, the front end of the bearing bucket 3 is provided with a discharge port 24, the upper end of one end of the bearing bucket 3 is provided with a first cylinder 25, and the upper end of the two sides of the bearing bucket 3 and the two sides of the distribution warehouse 1 are fixedly provided with a fixed ring 26, the middle of the two pairs of fixed rings 26 is provided with an extension rod 27, and the top of the extension rod 27 is connected with a connecting plate 28, a reset spring 29 is arranged between the inner end of the connecting plate 28 and the end of the extension rod 27, and the top of the extension rod 27 and the connecting plate 28 is provided with a hook 210, the top of the extension rod 27 and the connecting plate 28 is provided with two hooks 210, which are hung on the fixed ring 26 on the upper end of the two sides of the bearing bucket 3 and the two sides of the distribution warehouse 1, respectively, The personnel will put the ore raw materials to be smelted in the distribution warehouse 1, part of the raw materials will directly fall into the bearing bucket 3, when the raw materials need to be put into the hopper 4 for weighing operation, the personnel can start the first cylinder 25, at this moment, the extension end of the first cylinder 25 will press the upper end of the bearing bucket 3, under the cooperation of the first rotating rod 22 and the first rotating sleeve 23 on the other end, the discharge angle of the bearing bucket 3 can be adjusted, when the raw materials in the hopper 4 are far from reaching the weighing threshold, the discharge angle can be larger, if the raw materials in the hopper 4 reach the weighing threshold, the discharge angle can be smaller, thereby improving the accuracy of subsequent weighing, avoiding too much or too little raw materials affecting subsequent smelting, and the first cylinder 25 is retracted when subsequent feeding is not required, under the reset elasticity of the extension rod 27, the connecting plate 28, the reset spring 29 and the hook 210, the tension of the first cylinder 25 on the bearing bucket 3 under normal circumstances can be reduced.

[0027] The material buffering and weighing mechanism 5 comprises a material buffering limiting plate 51, which is arranged in the interior of the hopper 4 and is distributed in an equidistant staggered manner along the interior of the hopper 4. One side of the material buffering limiting plate 51 is fixedly provided with a fixed rod 52. The interior of the hopper 4 is provided on one side with an anti-spreading assembly 53, which comprises a connecting frame 531 fixedly arranged on one side of the interior of the hopper 4. The middle part of the connecting frame 531 is fixedly provided with a second rotating rod 532, and the periphery of the second rotating rod 532 is sleeved with a second rotating sleeve 533. The upper side of the weighing part 54 is fixedly provided with an anti-leakage plate 534. The weighing part 54 is fixedly provided with a fixed block 535 on both sides. The upper part of the two fixed blocks 535 is provided with a second air cylinder 536. The two ends of the second air cylinder 536 are respectively connected with the lower end of the fixed block 535 and one of the material buffering limiting plates 51. The side of the extending part of the second air cylinder 536 is fixedly provided with a toothed plate 537. The end of one of the material buffering limiting plates 51 is provided with a rotating shaft 538 on both sides. One of the peripheries of the rotating shaft 538 is fixedly provided with a gear 539. The other side of the rotating shaft 538 is connected with a baffle 5310. The toothed plate 537 and the gear 539 arranged on one of the peripheries of the rotating shaft 538 are in meshing transmission connection. The upper part of the second rotating sleeve 533 is provided with the weighing part 54. When the raw material enters the hopper 4, it will be guided by several material buffering limiting plates 51 in succession. Firstly, it can avoid the raw material falling directly on the weighing part 54. Secondly, it can slow down the speed of the raw material to avoid splashing. The constrained raw material will fall on the weighing part 54 and perform stacking work. When the weighing part 54 detects that the weight of the raw material stacked above it reaches the required smelting proportion, the personnel can start the extension of the extending end of the second air cylinder 536 to press the fixed blocks 535 on both sides of the weighing part 54. Under the guidance of the second rotating rod 532 and the second rotating sleeve 533 on the other side of the weighing part 54, the weighing part 54 can achieve the discharging angle. At the same time, the toothed plate 537 fixedly arranged on the side of the extending end of the two second air cylinders 536 will synchronously rotate with the toothed plates 537 arranged on both sides of the material buffering limiting plate 51 and the rotating shaft 538 in the middle. Thus, the baffle 5310 connected with the two rotating shafts 538 synchronously will rotate at an angle, so that the originally closed area becomes a discharging port. In this state, the purpose of discharging all the raw materials can be achieved.

[0028] Working principle: personnel in advance to smelt the ore raw materials to be smelted into the distribution bin 1, part of the raw materials will directly fall into the accumulation on the bearing bucket 3, when the need to feed into the hopper 4 for weighing operation, personnel can start the first cylinder 25, at this moment the first cylinder 25 the extension end will top pressure bearing bucket 3 top, under the guidance of the first rotating rod 22, the first rotating sleeve 23 on the other end of the bearing bucket 3 can adjust the discharge angle, when the hopper 4 in the raw material far from the weighing threshold, the discharge angle can be big, if the hopper 4 in the raw material reaches the weighing threshold, the discharge angle can be small, thus can improve the accuracy of subsequent weighing, avoid too much or too little raw material to bring influence to subsequent smelting, subsequent without feeding, the first cylinder 25 retracts, under the reset elasticity of the telescopic rod 27, connecting plate 28, reset spring 29 and hook 210, can reduce the pulling force of the first cylinder 25 on the bearing bucket 3 under normal circumstances, secondly, the raw material into the hopper 4, will be connected to several slow material limiting plate 51 slow material guide, one can avoid the raw material directly fall on the weighing part 54, the second can slow down the speed of raw material to avoid splashing, the constrained raw material will fall on the weighing part 54 and carry out the accumulation work, when the weighing part 54 detects the weight of the raw material accumulated above it reaches the required smelting proportion, personnel can start the extension end of the second cylinder 536 to extend and press the two side fixed blocks 535 of the weighing part 54, under the guidance of the second rotating rod 532, the second rotating sleeve 533 on the other side of the weighing part 54, the weighing part 54 can achieve the discharge angle, at the same time, the toothed plate 537 on the side of the extension end of the two second cylinders 536 will rotate with the toothed plate 537 and the middle rotating shaft 538 on both sides of the slow material limiting plate 51, thus the baffle 5310 connected with the two rotating shafts 538 synchronously will rotate at an angle, so that the originally closed area becomes a discharge port, which can achieve the purpose of discharging all the raw materials.

[0029] All the technical features in the embodiment can be freely combined according to actual needs.

[0030] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and not for limiting the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, it still can modify the technical scheme recorded in the foregoing embodiments, or make equivalent replacement for part of the technical features, any modification, equivalent replacement, improvement, etc. within the spirit and principles of the present application, should be included in the protection scope of the present application.

Claims

1. A feeding device for a smelting furnace, comprising a material distribution bin (1), characterized in that, A sequential material guiding mechanism (2) is installed below the material distribution bin (1). The sequential material guiding mechanism (2) includes a first rotating sleeve (23), and a bearing hopper (3) is fixedly provided on the inner side of the first rotating sleeve (23). A funnel (4) is provided below the bearing hopper (3), and a slowing and weighing mechanism (5) is installed inside the funnel (4). Side plates (6) are fixedly provided on both sides of the bottom of the funnel (4), and a conveyor belt (7) is provided below the funnel (4). The slowing and weighing mechanism (5) includes a slowing limit plate (51), and the slowing limit plate (51) is disposed inside the funnel (4). A fixing rod (52) is fixedly provided on one side of the multiple slowing limit plates (51). An anti-spillage component (53) is installed on one side of the inside of the funnel (4). The anti-spillage component (53) includes a second rotating sleeve (533), and a weighing part (54) is installed above the second rotating sleeve (533).

2. The feeding device for a smelting furnace according to claim 1, characterized in that, The anti-spillage component (53) includes a connecting frame (531), which is fixed inside the funnel (4). A second rotating rod (532) is fixed in the middle of the connecting frame (531), and a second rotating sleeve (533) is sleeved around the second rotating rod (532). An anti-spill plate (534) is fixed on one side above the weighing part (54). Fixing blocks (535) are fixed on both sides of one side of the weighing part (54), and a second cylinder (536) is installed above the two fixing blocks (535). A toothed plate (537) is fixed on one side of the protrusion of the second cylinder (536). A rotating shaft (538) is installed on both sides of the end of one of the slowing limit plates (51), and a gear (539) is fixed around one section of the rotating shaft (538). A baffle (5310) is connected to the other side of the rotating shaft (538).

3. The feeding device for a smelting furnace according to claim 2, characterized in that, The two ends of the second cylinder (536) are respectively connected to the fixing block (535) and the lower end of one of the slowing limit plates (51).

4. The feeding device for a smelting furnace according to claim 2, characterized in that, The toothed plate (537) and the gear (539) arranged around a section of the rotating shaft (538) are connected by meshing transmission.

5. The feeding device for a smelting furnace according to claim 1, characterized in that, The slowing and limiting plates (51) are distributed in an equidistant, staggered pattern along the inside of the funnel (4).

6. The feeding device for a smelting furnace according to claim 1, characterized in that, The sequential feeding mechanism (2) includes a fixed frame (21), which is fixed at both ends of one side of the distribution bin (1). A first rotating rod (22) is installed on the inner side of the two fixed frames (21), and a first rotating sleeve (23) is sleeved around the periphery of the first rotating rod (22). A discharge port (24) is opened at the front end of the bearing hopper (3). A first cylinder (25) is installed above one end of the bearing hopper (3). Fixed rings (26) are fixed at the upper ends of both sides of the bearing hopper (3) and on both sides of one side of the distribution bin (1). A telescopic rod (27) is installed in the middle of the two pairs of fixed rings (26). A connecting plate (28) is connected to the top of the extended end of the telescopic rod (27). A return spring (29) is installed between the inner end of the connecting plate (28) and the end of the telescopic rod (27). A hook (210) is fixed at the end of the telescopic rod (27) and the top of the connecting plate (28).

7. The feeding device for a smelting furnace according to claim 6, characterized in that, The two hooks (210) fixed at the end of the telescopic rod (27) and the top of the connecting plate (28) are respectively hung on the upper sides of the bearing bucket (3) and the two fixed rings (26) on one side of the material distribution bin (1).

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