CN220503100U - Scrap steel blanking device for converter feeding system - Google Patents
Scrap steel blanking device for converter feeding system Download PDFInfo
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- CN220503100U CN220503100U CN202322281570.XU CN202322281570U CN220503100U CN 220503100 U CN220503100 U CN 220503100U CN 202322281570 U CN202322281570 U CN 202322281570U CN 220503100 U CN220503100 U CN 220503100U
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- hopper
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 58
- 239000010959 steel Substances 0.000 title claims abstract description 58
- 230000007246 mechanism Effects 0.000 claims abstract description 46
- 239000000463 material Substances 0.000 claims abstract description 33
- 238000007599 discharging Methods 0.000 claims abstract description 17
- 230000005540 biological transmission Effects 0.000 claims abstract description 14
- 238000011144 upstream manufacturing Methods 0.000 claims abstract description 5
- 230000001360 synchronised effect Effects 0.000 claims description 2
- 230000008859 change Effects 0.000 abstract description 5
- 238000006748 scratching Methods 0.000 abstract 1
- 230000002393 scratching effect Effects 0.000 abstract 1
- 230000009471 action Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000009628 steelmaking Methods 0.000 description 2
- 238000003723 Smelting Methods 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Manufacture And Refinement Of Metals (AREA)
Abstract
The utility model provides a scrap steel blanking device for a converter feeding system, which comprises a blanking hopper, a pressure abutting mechanism, a material guiding mechanism and a PLC control mechanism, wherein the blanking hopper is connected with the pressure abutting mechanism; the discharging hopper is a rectangular cone hopper with a large upper part and a small lower part, and comprises three fixed side plates and a movable side plate, and the top of the movable side plate is movably connected with the fixed side plates on two sides through hinge shafts; the pressure abutting mechanism comprises an abutting motor, an abutting screw rod and a pressure sensor, the tail end of the abutting screw rod is in transmission connection with the power output end of the abutting motor, and the pressure sensor is arranged at the front end of the abutting screw rod; and a material guide mechanism is further arranged on the upstream side of the discharging hopper. The utility model solves the problems of easy blockage and unsmooth blanking of the existing scrap steel blanking, changes the blanking hopper into one side which is open, adjusts the opening and closing angle according to pressure change, and guides the scrap steel through the guide mechanism during blanking, so that the scrap steel can smoothly and stably fall onto the conveying belt, and the scrap steel sharp angle and the sharp edge are prevented from scratching the belt.
Description
Technical Field
The utility model relates to the technical field of steelmaking, in particular to a scrap steel blanking device for a converter feeding system.
Background
Scrap steel is one of raw materials for steelmaking, unqualified steel produced subsequently in a steel plant is collected uniformly and returned to a rotary furnace for re-smelting, the scrap steel is collected to a scrap steel bin, and the scrap steel is conveyed to a belt conveyor through a blanking hopper and then conveyed to the top of a converter through a conveying belt during feeding. The types of scrap steel are various, such as strip steel, H-steel, steel ingot, steel column, steel bar, etc.; the shapes of the scrap steels are different and the lengths are different, and the longer and larger scrap steels can block the discharging hopper when discharging, so that smooth discharging cannot be realized, and manual assistance is needed for dredging; moreover, the steel cutting process can generate sharp angles and sharp edges, the sharp angles and the sharp edges are extremely easy to scratch the belt after contacting the belt, the belt can only be stopped for replacing after being damaged, the time consumption is long, and the feeding speed of the scrap steel is severely restricted.
Disclosure of Invention
In order to solve the problems in the prior art, the utility model aims to provide a scrap steel blanking device for a converter feeding system.
In order to solve the technical problems, the utility model adopts the following technical scheme:
a steel scrap discharging device for a converter feeding system comprises a discharging hopper, a pressure abutting mechanism, a material guiding mechanism and a PLC control mechanism; the discharging hopper is a rectangular cone hopper with a large upper part and a small lower part and comprises three fixed side plates and a movable side plate which are fixedly welded, and the top of the movable side plate is movably connected with the fixed side plates on two sides through hinge shafts; the pressure abutting mechanism comprises an abutting motor, an abutting screw rod and a pressure sensor, the tail end of the abutting screw rod is in transmission connection with the power output end of the abutting motor, the pressure sensor is arranged at the front end of the abutting screw rod, and the pressure sensor monitors the bearing pressure of the movable side plate in real time; the upper stream side of hopper still is provided with guide mechanism, and guide mechanism includes guide swash plate, guide motor and power gear, guide swash plate inclines towards conveyor's advancing direction, and its top surface is the smooth surface that is used for the guide, and its bottom surface is provided with the rack, and power gear is connected with guide motor transmission, and meshes with the rack mutually, and guide swash plate straight line march under power gear's drive.
The utility model further improves that: the fixed side plate positioned at the outer side of the hinge shaft is also provided with a limiting arc groove, two ends of the hinge shaft are connected with a limiting slide block through a connecting rod, and the limiting slide block slides in the limiting arc groove.
The utility model further improves that: the pressure abutting mechanism and the material guiding mechanism are both fixed on a vertical plate at the rear side of the discharging hopper.
The utility model further improves that: the vertical plate is provided with a vertical support extending to the movable side plate, the middle part of the vertical support is fixedly provided with a spiral seat with a horizontal internal thread through hole formed inside, and the internal thread through hole of the spiral seat is in threaded fit with the abutting screw rod.
The utility model further improves that: two sides of the bottom surface of the material guiding inclined plate are respectively provided with one tooth, and the two racks are respectively meshed with the two power gears for transmission; the two power gears are arranged at two ends of a linkage shaft to realize synchronous rotation, and the linkage shaft is in transmission connection with a power output shaft of the material guide motor.
The utility model further improves that: and a group of limiting rollers for limiting the position of the guide inclined plate are respectively arranged at the upstream and downstream of the power gear.
The utility model further improves that: the pressure sensor is in transmission connection with the PLC control mechanism, and the abutting motor and the material guiding motor are in control connection with the PLC control mechanism.
By adopting the technical scheme, the utility model has the following technical progress:
the utility model discloses a scrap steel blanking device for a converter feeding system, which solves the problems that the existing scrap steel blanking is easy to block and is unsmooth, changes a blanking hopper from a conventional closed type into an open type with a hinged side plate, and supports a movable side plate by adopting a pressure abutting mechanism; the movable side plate changes the opening and closing angle according to the pressure change received in the movable side plate, and the guide mechanism is used for guiding materials during discharging, so that the scrap steel can smoothly and stably fall onto the conveying belt, the belt is prevented from being scratched by sharp corners and edges of the scrap steel, the service life of the conveying belt is prolonged, the overhaul frequency and the overhaul time of the belt conveyor are remarkably reduced, and the stable supply of the scrap steel is ensured.
Drawings
FIG. 1 is a schematic view of the overall structure of the present utility model, with arrows indicating the direction of travel of the conveyor belt;
FIG. 2 is an enlarged schematic view of a portion A of FIG. 1;
FIG. 3 is a schematic top view of a connection structure between a movable side plate and a fixed side plate;
FIG. 4 is a schematic view in partial cross-section of an abutment screw;
in the figure, 1, a blanking hopper, 1-1, a fixed side plate, 1-2, a movable side plate, 1-3, an ear plate, 2, an abutting motor, 3, an abutting screw, 4, a pressure sensor, 5, a limiting arc groove, 6, a limiting sliding block, 7, a connecting rod, 8, a vertical plate, 9, a vertical support, 10, a spiral seat, 11, a material guiding motor, 12, a power gear, 13, a material guiding inclined plate, 14, a rack, 15, a hinge shaft, 16, a limiting roller, 17 and a conveying belt.
Description of the embodiments
The present utility model will be described in detail below with reference to the accompanying drawings.
A scrap steel blanking device for a converter feeding system is shown in fig. 1, and comprises a blanking hopper 1, a pressure abutting mechanism, a material guiding mechanism and a PLC control mechanism. The blanking hopper 1 is a rectangular cone hopper with a large upper part and a small lower part, the upper opening of the blanking hopper 1 corresponds to a scrap steel bin or a scrap steel transport vehicle, and the bottom opening of the blanking hopper 1 corresponds to a conveying belt 17 of the belt conveyor. The blanking hopper 1 comprises three fixed side plates 1-1 and a movable side plate 1-2, wherein the three fixed side plates 1-1 are welded in a U shape, and the top of the movable side plate 1-2 is movably connected with the fixed side plates 1-1 at two sides through a hinge shaft 15; the movable side plates 1-2 are supported by the pressure abutting mechanism positioned at the outer side and are surrounded with the three fixed side plates 1-1 to form a complete discharging hopper 1.
The pressure abutting mechanism comprises an abutting motor 2, an abutting screw 3 and a pressure sensor 4. The tail end of the abutting screw rod 3 is in transmission connection with the power output shaft of the abutting motor 2, the front end of the abutting screw rod 3 is provided with a groove, the pressure sensor 4 is embedded into the groove to be fixed (as shown in fig. 4), the pressure probe of the pressure sensor 4 is exposed and abuts against the outer wall of the movable side plate 1-2, the movable side plate 1-2 is given supporting force, and the pressure of the movable side plate 1-2 is received in real time.
As shown in fig. 1-3, in order to limit the turning angle of the movable side plate 1-2 and ensure that the scrap steel accurately falls into the conveying belt 17, the width of the movable side plate 1-2 is slightly larger than the width of the opening between the fixed side plates 1-1 at two sides of the movable side plate, so that the movable side plate 1-2 can completely block the opening; the top of the movable side plate 1-2 is provided with an ear plate 1-3 vertical to the plate surface, and the movable side plate 1-2 is hinged with the fixed side plates 1-1 at two sides through the ear plate 1-3. In addition, a limiting arc groove 5 is further formed in the fixed side plate 1-1 located on the outer side of the hinge shaft 15, two ends of the hinge shaft 15 are connected with a limiting sliding block 6 with a groove in the middle through a connecting rod 7, and the limiting sliding block 6 is in sliding fit in the limiting arc groove 5, so that the rotation angle of the hinge shaft 15 is limited, and the situation that the opening of the movable side plate 1-2 is oversized is avoided.
The pressure abutting mechanism is mounted on a vertical plate 8 at the rear side of the blanking hopper 1. The vertical plate 8 is provided with a vertical support 9 extending towards the movable side plate 1-2, the middle part of the vertical support 9 is fixedly provided with a spiral seat 10, a horizontal internal thread through hole is formed in the spiral seat 10, and the abutting screw 3 horizontally penetrates through the spiral seat 10 and then extends forwards to abut against the outer wall of the movable side plate 1-2. The screw seat 10 is screwed with the abutment screw 3 to ensure the level of the advancing and retreating process of the abutment screw 3.
And a guide mechanism is further arranged on the vertical plate 8. The guide mechanism is arranged on the upstream side of the discharging hopper 1 and is used for buffering the rapidly-falling scrap steel so that the scrap steel stably falls onto the conveying belt 17. The material guiding mechanism comprises a material guiding motor 11, a power gear 12 and a material guiding inclined plate 13. The tail of the guide motor 11 is fixed on the vertical plate 8, a power output shaft of the guide motor 11 extends forwards and is in transmission connection with a linkage shaft, two ends of the linkage shaft are respectively connected with a power gear 12, and the two power gears 12 synchronously rotate. The guide inclined plate 13 is inclined towards the travelling direction of the conveying belt 17, and the included angle between the guide inclined plate 13 and the travelling direction of the conveying belt 17 is an obtuse angle, preferably 150-170 degrees. Racks 14 are arranged on two sides of the bottom surface of the material guiding inclined plate 13, the two racks 14 are respectively meshed with the two power gears 12 for transmission, and the material guiding inclined plate 13 is driven by the power gears 12 to move linearly; the top surface of the material guiding inclined plate 13 is a smooth surface, and steel materials can smoothly slide onto the conveying belt 17 along the smooth surface of the material guiding inclined plate 13.
In order to avoid that the scrap steel protrudes to both sides of the guide inclined plate 13 beyond the width of the conveyor belt 17, side guide plates (not shown) may be further provided to both left and right sides of the guide inclined plate 13 so that the falling width of the falling steel is not greater than the width of the conveyor belt. The side guide plate can be integrally formed with the material guiding inclined plate 13, and can be fixed through welding or threaded connection.
A set of limiting rollers 16 for controlling the position of the guide inclined plate 13 are respectively arranged at the upstream and downstream of the power gear 12, so as to limit the positions of the upper surface and the lower surface of the guide inclined plate 13. Through the combined action of the two groups of limit rollers 16 and the power gear 12, the stability of the inclination angle of the plate surface during the displacement of the material guiding inclined plate 13 is ensured. In order to increase the clamping stability of the limit roller 16 to the guide inclined plate 13, the limit roller 16 positioned on the bottom surface of the guide inclined plate 13 is positioned at a smooth part between the two racks 14.
The pressure sensor 4, the abutting motor 2 and the material guiding motor 11 are in control connection with the PLC control mechanism, pressure signals of the movable side plates 1-2 received by the pressure sensor 4 are transmitted to the PLC control mechanism in real time, and the PLC control mechanism controls the abutting motor 2 and the material guiding motor 11 to start and stop. The PLC control mechanism is an existing programmable control system, can be directly outsourced and is not the utility model point of the utility model.
The working process of the utility model is as follows:
and pouring scrap steel from a scrap steel bin or a scrap steel transport vehicle into the blanking hopper, abutting the outer wall of the movable side plate by the pressure abutting mechanism to enable the blanking hopper to enclose, and monitoring the pressure of the movable side plate in real time. When the blanking opening is blocked and the subsequent scrap steel cannot smoothly fall, the pressure born by the movable side plate is gradually increased along with the increase of the stacking weight of the scrap steel; when the PLC control system judges that the pressure of the movable side plate is over-pressure, the PLC control mechanism automatically drives the abutting motor and the material guide motor to be opened, the abutting motor drives the abutting screw rod to retract, the movable side plate turns outwards under the combined action of self gravity and internal scrap steel pressure, the area of the feed opening is increased, and accumulated scrap steel can fall down rapidly. Meanwhile, the guide motor drives the power gear to rotate, the guide inclined plate descends until the guide inclined plate is close to the conveying belt, and rapidly fallen scrap steel is buffered by the guide inclined plate and then is stably conveyed into the conveying belt for conveying.
Along with the continuous falling of accumulated scrap steel, the pressure bearing of the movable side plate is gradually reduced; the PLC control mechanism drives the abutting motor and the material guiding motor to rotate reversely according to the received pressure value, and continuously adjusts the rotating speed of the abutting motor and the material guiding motor, so that the movable side plate and the material guiding inclined plate are gradually reset until the movable side plate is closed, the discharging opening of the discharging hopper is completely exposed, and the discharging of the scrap steel is continued.
The pressure abutting mechanism is not in a stable supporting state with the movable side plate, the abutting screw stretches and contracts at any time to change the length along with the change of the pressure bearing pressure of the movable side plate, and the opening and closing angle of the movable side plate also changes along with the change of the pressure bearing pressure of the movable side plate, so that scrap steel can be smoothly discharged.
The foregoing description is only of the preferred embodiments of the utility model, and all changes and modifications that come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Claims (7)
1. A steel scrap unloader for converter feeding system, its characterized in that: comprises a discharging hopper (1), a pressure abutting mechanism, a material guiding mechanism and a PLC control mechanism; the blanking hopper (1) is a rectangular cone hopper with a large upper part and a small lower part and comprises three fixed side plates (1-1) and a movable side plate (1-2) which are fixedly welded, and the top of the movable side plate (1-2) is movably connected with the fixed side plates (1-1) on two sides through a hinge shaft (15); the pressure abutting mechanism comprises an abutting motor (2), an abutting screw rod (3) and a pressure sensor (4), wherein the tail end of the abutting screw rod (3) is in transmission connection with the power output end of the abutting motor (2), the pressure sensor (4) is arranged at the front end of the abutting screw rod (3), and the pressure sensor (4) monitors the bearing pressure of the movable side plate (1-2) in real time; the upper stream side of lower hopper (1) still is provided with guide mechanism, and guide mechanism includes guide swash plate (13), guide motor (11) and power gear (12), guide swash plate (13) slope towards the advancing direction of conveyer belt (17), and its top surface is the smooth surface that is used for the guide, and its bottom surface is provided with rack (14), and power gear (12) are connected with guide motor (11) transmission, and mesh with rack (14), and guide swash plate (13) are straight line under the drive of power gear (12).
2. A scrap steel blanking device for a converter feed system in accordance with claim 1 wherein: a limiting arc groove (5) is further formed in the fixed side plate (1-1) located on the outer side of the hinge shaft (15), two ends of the hinge shaft (15) are connected with a limiting sliding block (6) through a connecting rod (7), and the limiting sliding block (6) slides in the limiting arc groove (5).
3. A scrap steel blanking device for a converter feed system in accordance with claim 1 wherein: the pressure abutting mechanism and the material guiding mechanism are both fixed on a vertical plate (8) at the rear side of the discharging hopper (1).
4. A scrap steel blanking device for a feeding system of a converter according to claim 3, characterized in that: a vertical support (9) extending towards the movable side plate (1-2) is arranged on the vertical plate (8), a spiral seat (10) with a horizontal internal thread through hole formed in the middle of the vertical support (9) is fixedly arranged, and the internal thread through hole of the spiral seat (10) is in threaded fit with the abutting screw rod (3).
5. A scrap steel blanking device for a converter feed system in accordance with claim 1 wherein: two sides of the bottom surface of the material guiding inclined plate (13) are respectively provided with a rack (14), and the two racks (14) are respectively meshed with the two power gears (12) for transmission; the two power gears (12) are arranged at two ends of a linkage shaft to realize synchronous rotation, and the linkage shaft is in transmission connection with a power output shaft of the material guiding motor (11).
6. A scrap steel blanking device for a converter feed system in accordance with claim 1 wherein: and a group of limiting rollers (16) for limiting the position of the material guiding inclined plate (13) are respectively arranged at the upstream and downstream of the power gear (12).
7. A scrap steel blanking device for a converter feed system in accordance with claim 1 wherein: the pressure sensor (4) is in transmission connection with the PLC control mechanism, and the abutting motor (2) and the material guiding motor (11) are in control connection with the PLC control mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322281570.XU CN220503100U (en) | 2023-08-24 | 2023-08-24 | Scrap steel blanking device for converter feeding system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322281570.XU CN220503100U (en) | 2023-08-24 | 2023-08-24 | Scrap steel blanking device for converter feeding system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220503100U true CN220503100U (en) | 2024-02-20 |
Family
ID=89870590
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322281570.XU Active CN220503100U (en) | 2023-08-24 | 2023-08-24 | Scrap steel blanking device for converter feeding system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220503100U (en) |
-
2023
- 2023-08-24 CN CN202322281570.XU patent/CN220503100U/en active Active
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