CN220532654U - Precise multi-roller straightener for hot rolled plates - Google Patents
Precise multi-roller straightener for hot rolled plates Download PDFInfo
- Publication number
- CN220532654U CN220532654U CN202322149349.9U CN202322149349U CN220532654U CN 220532654 U CN220532654 U CN 220532654U CN 202322149349 U CN202322149349 U CN 202322149349U CN 220532654 U CN220532654 U CN 220532654U
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- Prior art keywords
- frame
- roller
- dust
- roll
- hot rolled
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- 239000000428 dust Substances 0.000 claims abstract description 66
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 32
- 238000007789 sealing Methods 0.000 claims abstract description 25
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 claims abstract description 19
- 229910052742 iron Inorganic materials 0.000 claims abstract description 15
- 230000007246 mechanism Effects 0.000 claims abstract description 14
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 12
- 239000010959 steel Substances 0.000 claims abstract description 12
- 239000000843 powder Substances 0.000 claims abstract description 7
- 238000007599 discharging Methods 0.000 claims abstract description 4
- 239000011521 glass Substances 0.000 claims description 3
- 238000009825 accumulation Methods 0.000 abstract description 3
- 230000007613 environmental effect Effects 0.000 abstract 1
- 238000005098 hot rolling Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 5
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 230000036541 health Effects 0.000 description 2
- 210000001503 joint Anatomy 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- NDLPOXTZKUMGOV-UHFFFAOYSA-N oxo(oxoferriooxy)iron hydrate Chemical compound O.O=[Fe]O[Fe]=O NDLPOXTZKUMGOV-UHFFFAOYSA-N 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Abstract
A precise multi-roller straightener for hot rolled plates comprises a frame, an upper working roller and a lower working roller, wherein the upper working roller and the lower working roller are arranged on the frame and used for straightening steel plates; the upper working roll is connected with the frame through an upper swing frame; the lower working roll is connected with the frame through a lower roll frame; the upper swing frame is connected with the frame through a lifting mechanism; an upper supporting roller is arranged on the upper swinging frame; a lower support roller is arranged on the lower roller frame; a supporting roller adjusting mechanism is arranged below the upper swing frame; the lower roller frame is provided with a plurality of dust discharge hoppers for collecting iron oxide powder falling off from the steel plate; the lower opening of the dust discharge hopper is connected with a dust removal pipeline for leading dust out of the frame; the two ends of the frame along the feeding and discharging direction are respectively provided with a first sealing door. The utility model improves the framework of the supporting roller adjusting mechanism, the lower roller frame is provided with the dust discharge hopper, and the dust discharge hopper is combined with the dust removal pipeline at the bottom of the frame, so that the problems of equipment blockage and equipment damage caused by accumulation of iron scales generated in hot rolling plate straightening and environmental protection caused by dust emission are effectively solved, and the sealing door arranged on the frame can effectively prevent dust from overflowing and reduce noise.
Description
Technical Field
The utility model belongs to the field of hot-rolled metal sheet straightening, and particularly relates to a precise multi-roller straightener for a hot-rolled sheet.
Background
Along with the increasing demands of the market on the flatness of the plate, the traditional hot rolled plate straightening process adopts a straight-head machine and a finishing machine, and the demands of customers cannot be met. Taking a hot rolled plate with the length of 2-5 mm1500mm as an example, the flatness of the plate can be straightened to 20I by adopting a conventional straightening process. At present, the requirement reaches 5I, a precise multi-roller straightener is added behind the finishing machine, and the flatness can be ensured to reach the requirement after the precise multi-roller straightener is added. However, the conventional precision multi-roll leveler (shown in FIG. 1) has the following problems for use on hot rolled sheet: the surface of the hot rolled plate is provided with oxide skin, after straightening, part of the hot rolled plate is peeled off and accumulated on a lower roller system to affect the use of equipment, and part of the hot rolled plate can fly out of the equipment to cause dust to diffuse and pollute the environment and harm the health of workers. Therefore, it is necessary to develop a precise multi-roll leveler for hot rolled sheet.
Disclosure of Invention
The utility model aims to overcome the defects in the prior art, and provides a precise multi-roller straightener for hot rolled plates, which solves the problems that in the process of straightening hot rolled plates by a common straightener, oxide skin on the surface is partly peeled off, equipment use is affected due to the fact that part of oxide skin is accumulated on a lower roller system, and dust can fly out of the equipment to cause diffuse pollution to the environment and harm to the health of workers.
The technical scheme of the utility model is as follows: a precise multi-roller straightener for hot rolled plates is characterized in that: comprises a frame, an upper working roll and a lower working roll which are arranged on the frame and used for straightening the steel plate; the upper working roll is connected to the frame through an upper swing frame; the lower working roll is connected to the frame through a lower roll frame; the upper swing frame is connected with the frame through a lifting mechanism; an upper supporting roller is arranged on the upper swing frame; a lower support roller is arranged on the lower roller frame; a supporting roller adjusting mechanism is arranged below the upper swing frame; the lower roll frame is provided with a plurality of dust discharge hoppers for collecting iron oxide powder falling off from the steel plate; the lower opening of the dust discharge hopper is connected with a dust removal pipeline for leading dust out of the frame; the two ends of the frame along the feeding and discharging direction are respectively provided with a first sealing door.
A plurality of dust receiving hoppers are arranged between the first sealing door and the frame; the discharge hole at the lower end of the dust receiving hopper is connected with a dust removing pipeline.
The first sealing doors are arranged on the left side and the right side of the frame respectively; the sealing door I is provided with a long hole in the middle position, so that the strip steel can enter the straightener conveniently.
The two sealing doors are respectively arranged at the front side and the rear side of the frame; and the middle part of the sealing door II is provided with organic glass so as to be convenient for observing the running condition of the equipment.
The lifting mechanism comprises four worm wheel lifters arranged on the frame and connected with the upper swing frame, and two gear motors for driving the worm wheel lifters; each gear motor is connected with two worm wheel lifters through a coupling in a transmission way.
The upper swing frame comprises a lower cross beam connected with the worm gear lifter and an upper roller frame bottom plate connected with the lower cross beam.
The upper working roll is connected to the bottom plate of the upper roll frame through an upper working roll bearing seat; the upper supporting roller is connected to the bottom plate of the upper roller frame through an upper supporting roller seat; the upper supporting roller seat is pulled below the upper roller frame bottom plate through a screw and a folding spring, and a supporting roller adjusting mechanism is arranged between the upper supporting roller seat and the upper roller frame bottom plate.
The supporting roller adjusting mechanism comprises an upper oblique iron and a lower oblique iron matched with the upper oblique iron. The screw rod can push the upper inclined iron to move left and right and drive the lower inclined iron to move up and down, so that the function of fine-adjusting the upper supporting height is achieved.
The lower working roll is connected to the lower roll frame through a lower working roll bearing seat; the lower supporting roller is connected to the lower roller frame through a lower supporting roller seat.
The lower roller frame top plate is provided with a plurality of dust inlets, and the lower roller frame bottom plate is provided with a plurality of dust outlets connected with the dust removing pipeline; the upper opening of the dust discharge hopper is connected with the dust inlet, and the lower opening of the dust discharge hopper is connected with the dust outlet.
Compared with the traditional multi-roller straightener, the precise multi-roller straightener for the hot rolled plate improves the framework of a supporting roller adjusting mechanism, improves the structure of an upper roller system and a lower roller system, the upper supporting roller is used for adjusting the height of the supporting roller, the lower supporting roller is not used for adjusting, the lower roller is provided with a dust discharge hopper, and the dust discharge hopper is combined with a dust removal pipeline arranged at the bottom of a rack, so that the problems that equipment is blocked and damaged due to iron oxide sheet accumulation and the environment-friendly problem caused by dust are effectively solved in the straightening process of the hot rolled plate, and the sealing doors are arranged at the front, the back and the left sides, so that the dust is effectively prevented from overflowing and the noise is reduced.
Drawings
Fig. 1 is a schematic diagram of a prior art structure.
Fig. 2 is a schematic structural view (front view) of the present utility model.
Fig. 3 is a schematic structural view (left side view) of the present utility model.
In the figure: 1. a frame; 2. a worm gear lifter; 3. a coupling; 4. a speed reducing motor; 5. pressing down the cross beam; 6. a pin shaft; 7. an upper roller frame bottom plate; 8, feeding an oblique iron; 9. a lower oblique iron; 10. a screw rod; 11. an upper support roller seat; 12. an upper support roller; 13. an upper work roll; 14. an upper working roll bearing block; 15. a lower work roll; 16. a lower working roll bearing block; 17. a lower support roller; 18. a lower supporting roller seat; 19. a lower roll frame; 20. a dust removal pipeline; 21. sealing a door I; 22. sealing a second door; 23. strip steel; 24. iron oxide powder; 25. a dust discharge hopper; 26. a dust receiving bucket; 27. a screw; 28. and (5) stacking springs.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. The following description of at least one exemplary embodiment is merely exemplary in nature and is in no way intended to limit the utility model, its application, or uses. All other embodiments, which can be made by one of ordinary skill in the art without undue burden on the person of ordinary skill in the art based on embodiments of the present utility model, are within the scope of the present utility model.
Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail, but are intended to be part of the specification where appropriate.
As shown in fig. 2 and 3, the worm gear lifter 2 is mounted on the frame 1; two gear motors 4 are arranged on the frame 1; four worm gear lifters 2 are driven by the couplings 3, respectively. The lower cross beam 5 is connected with the worm wheel lifter 2 through a pin shaft 6 and is arranged in the frame 1. When the two gear motors 4 are driven simultaneously, the lower cross beam 5 can be driven to move up and down in the frame 1; when the two gear motors 4 are respectively driven, the lower cross beam 5 can be driven to swing left and right in the frame 1; an upper roller frame bottom plate 7 is arranged below the lower cross beam 5.
The upper support roller 12 is mounted on the upper support roller seat 11. The upper supporting roller seat 11 is pulled below the upper roller frame bottom plate 7 by a screw 27 and a stacking spring 28, an upper oblique iron 8 and a lower oblique iron 9 are arranged between the upper supporting roller seat and the lower roller frame bottom plate, the upper oblique iron 8 can be pushed to move left and right by a screw rod 10, and the lower oblique iron 9 is driven to move up and down, so that the height function of the fine-tuning upper supporting roller 12 is achieved.
The upper working roll 13 is mounted on an upper working roll bearing block 14, and the upper working roll bearing block 14 is mounted on the upper roll frame bottom plate 7. Three groups of upper supporting rollers 12 are arranged in the middle of the upper working roller 13 and are in contact support, and the convexity of the upper working roller 13 can be finely adjusted by adjusting the height of the upper supporting rollers 12.
The lower working roll 15 is arranged on a lower working roll bearing seat 16; the lower working roll bearing block 16 is mounted on the lower roll frame 19; the lower roller frame 19 is arranged on the frame 1; three sets of lower support rollers 17 are arranged in the middle of the lower working roller 15 to support and increase rigidity. The lower supporting roller 17 is arranged on the lower supporting roller seat 18; the lower supporting roller seat 18 is arranged on the lower roller frame 19; the lower roll frame 19 is provided with a plurality of funnel-shaped dust discharge hoppers 25 for collecting iron oxide powder falling off from the steel plate. Each dust discharge hopper 25 is formed by welding four inclined plates to the lower roll frame 19. The top plate of the lower roll frame 19 is provided with a plurality of dust inlets, and the bottom plate of the lower roll frame 19 is correspondingly provided with a plurality of dust outlets connected with the dust removing pipeline 20. The upper opening of each dust discharge hopper 25 is connected with a dust inlet, and the lower opening is connected with a dust outlet corresponding to the dust inlet.
The first sealing door 21 is provided with two sealing doors which are respectively arranged at the left side and the right side of the frame 1; the sealing door I21 is provided with a long hole in the middle position so that the strip steel 23 can enter the equipment conveniently; two sealing doors 22 are respectively arranged on the front side and the rear side of the frame 1; the organic glass is arranged in the middle of the second sealing door 22, so that the running condition of the equipment can be observed conveniently. A plurality of dust receiving hoppers 26 are arranged between the first sealing door 21 and the frame 1; the lower discharge port of the dust receiving hopper 26 is connected with the dust removing pipeline 20.
The dust removing pipeline 20 is arranged at the bottom of the frame; the interior is in butt joint with a dust outlet on the bottom plate of the lower roller frame 19, and the exterior is in butt joint with a dust removing system pipeline of the bus.
In the straightening process of the strip steel 23, iron oxide powder 24 is generated by the repeated bending of the upper working roller 13 and the lower working roller 15 and the iron oxide scale on the surface falls off, and the iron oxide scale 24 falls into the dust removing pipeline 20 through the dust inlet of the lower roller frame 19, the dust discharging hopper 25 and the dust outlet under the action of gravity and is sucked away by external environment-friendly equipment; avoiding accumulation on the lower roller frame 19 from affecting the use of the equipment. The sealing door I21 and the sealing door II 22 are respectively arranged at the front, the back, the left and the right of the frame 1, so that the overflow of ferric oxide powder 24 can be effectively prevented, and the noise is reduced.
The foregoing description of the exemplary embodiments of the utility model is not intended to limit the utility model to the particular embodiments disclosed, but on the contrary, the intention is to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the utility model.
Claims (10)
1. A precise multi-roller straightener for hot rolled plates is characterized in that: comprises a frame (1), an upper working roller (13) and a lower working roller (15) which are arranged on the frame (1) and used for straightening the steel plate; the upper working roller (13) is connected with the frame (1) through an upper swing frame; the lower working roll (15) is connected to the frame (1) through a lower roll frame (19); the upper swing frame is connected with the frame (1) through a lifting mechanism;
an upper supporting roller (12) is arranged on the upper swing frame; a lower supporting roller (17) is arranged on the lower roller frame; a supporting roller adjusting mechanism is arranged below the upper swing frame; a plurality of dust discharge hoppers (25) for collecting iron oxide powder falling off from the steel plate are arranged on the lower roller frame (19); the lower opening of the dust discharge hopper (25) is connected with a dust removal pipeline (20) for leading dust out of the frame (1); the two ends of the frame (1) along the feeding and discharging direction are respectively provided with a first sealing door (21).
2. The precise multi-roll leveler for hot rolled sheet according to claim 1, wherein: a plurality of dust receiving hoppers (26) are arranged between the first sealing door (21) and the frame (1); the lower end discharge port of the dust receiving hopper (26) is connected with the dust removing pipeline (20).
3. The precise multi-roll leveler for hot rolled sheet according to claim 1, wherein: the sealing doors I (21) are respectively arranged at the left side and the right side of the frame (1); the sealing door I (21) is provided with a long hole in the middle position, so that the strip steel (23) can enter the straightener conveniently.
4. The precise multi-roll leveler for hot rolled sheet according to claim 1, wherein: the two sealing doors (22) are respectively arranged at the front side and the rear side of the frame (1); and the middle part of the second sealing door (22) is provided with organic glass so as to be convenient for observing the running condition of the equipment.
5. The precise multi-roll leveler for hot rolled sheet according to claim 1, wherein: the lifting mechanism comprises four worm wheel lifters (2) arranged on the frame (1) and connected with the upper swing frame, and two gear motors (4) for driving the worm wheel lifters (2).
6. The precise multi-roll leveler for hot rolled sheet according to claim 5, wherein: the upper swing frame comprises a lower cross beam (5) connected with the worm wheel lifter (2) and an upper roller frame bottom plate (7) connected with the lower cross beam (5).
7. The precise multi-roll leveler for hot rolled sheet according to claim 1, wherein: the upper working roll (13) is connected to the upper roll frame bottom plate (7) through an upper working roll bearing seat (14); the upper supporting roller (12) is connected to the upper roller frame bottom plate (7) through an upper supporting roller seat (11); the upper supporting roller seat (11) is pulled below the upper roller frame bottom plate (7) through a screw (27) and a stacking spring (28), and a supporting roller adjusting mechanism is arranged between the upper supporting roller seat (11) and the upper roller frame bottom plate (7).
8. The precise multi-roll leveler for hot rolled sheet according to claim 1 or 7, wherein: the supporting roller adjusting mechanism comprises an upper oblique iron (8) and a lower oblique iron (9) matched with the upper oblique iron.
9. The precise multi-roll leveler for hot rolled sheet according to claim 1, wherein: the lower working roll (15) is connected to a lower roll frame (19) through a lower working roll bearing seat (16); the lower supporting roller (17) is connected with the lower roller frame (19) through a lower supporting roller seat (18).
10. The precise multi-roll leveler for hot rolled sheet according to claim 1, wherein: a plurality of dust inlets are formed in the top plate of the lower roll frame (19), and a plurality of dust outlets connected with the dust removing pipeline (20) are formed in the bottom plate of the lower roll frame (19); the upper opening of the dust discharge hopper (25) is connected with the dust inlet, and the lower opening of the dust discharge hopper (25) is connected with the dust outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322149349.9U CN220532654U (en) | 2023-08-10 | 2023-08-10 | Precise multi-roller straightener for hot rolled plates |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322149349.9U CN220532654U (en) | 2023-08-10 | 2023-08-10 | Precise multi-roller straightener for hot rolled plates |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220532654U true CN220532654U (en) | 2024-02-27 |
Family
ID=89965884
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322149349.9U Active CN220532654U (en) | 2023-08-10 | 2023-08-10 | Precise multi-roller straightener for hot rolled plates |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220532654U (en) |
-
2023
- 2023-08-10 CN CN202322149349.9U patent/CN220532654U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |