CN114074135B - Straightening machine and straightening process thereof - Google Patents
Straightening machine and straightening process thereof Download PDFInfo
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- CN114074135B CN114074135B CN202111200023.3A CN202111200023A CN114074135B CN 114074135 B CN114074135 B CN 114074135B CN 202111200023 A CN202111200023 A CN 202111200023A CN 114074135 B CN114074135 B CN 114074135B
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- 238000000034 method Methods 0.000 title claims abstract description 14
- 230000008569 process Effects 0.000 title claims abstract description 11
- 230000007246 mechanism Effects 0.000 claims abstract description 73
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 55
- 239000010959 steel Substances 0.000 claims abstract description 55
- 230000008859 change Effects 0.000 claims abstract description 8
- 230000000712 assembly Effects 0.000 claims description 9
- 238000000429 assembly Methods 0.000 claims description 9
- 238000005096 rolling process Methods 0.000 claims description 8
- 230000000149 penetrating effect Effects 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 238000011084 recovery Methods 0.000 abstract description 4
- 230000033764 rhythmic process Effects 0.000 abstract description 2
- 230000006872 improvement Effects 0.000 description 8
- 238000005452 bending Methods 0.000 description 3
- 239000003638 chemical reducing agent Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D1/00—Straightening, restoring form or removing local distortions of sheet metal or specific articles made therefrom; Stretching sheet metal combined with rolling
- B21D1/02—Straightening, restoring form or removing local distortions of sheet metal or specific articles made therefrom; Stretching sheet metal combined with rolling by rollers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/04—Movable or exchangeable mountings for tools
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- Mechanical Engineering (AREA)
- Straightening Metal Sheet-Like Bodies (AREA)
Abstract
The invention relates to a straightener, which comprises a lower roller mechanism and an upper roller mechanism which is arranged on the upper part of the lower roller mechanism and can slide relative to the lower roller mechanism, wherein the lower roller mechanism comprises a plurality of lower supporting rollers and lower straightening rollers which are correspondingly arranged on each lower supporting roller, the upper roller mechanism comprises a plurality of upper supporting rollers and upper straightening rollers which are correspondingly arranged under each upper supporting roller, the upper straightening rollers and the lower straightening rollers are arranged in a staggered way, wherein the upper parts of the two upper supporting rollers on two sides are correspondingly provided with jacking components, and the jacking components drive the positions of the upper supporting rollers on two sides to change so as to change the positions of the corresponding upper straightening rollers, thereby adjusting the straightening gap formed between an inlet and an outlet of the straightener. The invention also relates to a process for independently straightening the steel plate by the edge rollers at the two ends of the straightener and a straightening process for independently straightening the head or tail of the steel plate. The straightening machine improves the yield and the recovery rate of the steel plate, straightens the head of the steel plate, improves the production efficiency and ensures the production rhythm.
Description
Technical Field
The invention relates to the technical field of straightener, in particular to a straightener and a straightening process thereof.
Background
The upper roller system of the traditional medium plate straightener equipment in China at present can be adjusted only through integral pressing, and the heights among the upper straightening rollers are the same.
In addition, the rolling reduction of the straightening machine is regulated by the up-and-down action of the upper roller system, the situation that the head of the steel plate is tilted and buckled before the steel plate reaches the straightening machine after finish rolling and quick cooling is very common, if the steel plate is thinner, the tilted head is too high to collide with an inlet guide and guard, head superposition can be caused when serious, and finally, only online cutting is realized, thus the processing is labor-consuming and time-consuming and very inconvenient; if the steel plate is thicker, the warping is too high, the situation that the steel plate cannot be bitten in possibly occurs, and certain impact damage is caused to the straightener.
In order to improve the plate shape quality, the method generally uses the way of adjusting the roller gap of an inlet and outlet and increasing the pressure by integrally tilting an upper roller system to eliminate possible plate shape defects of the steel plate, and then carries out conventional straightening.
Disclosure of Invention
The invention aims to provide a straightener, which is used for improving the quality and the production efficiency of a straightening plate type.
In order to achieve the above purpose, the technical scheme of the invention is as follows: the utility model provides a straightener, includes lower roller mechanism and arranges in lower roller mechanism upper portion and can relative lower roller mechanism gliding last roller mechanism, lower roller mechanism includes a plurality of lower backing roll and arranges the lower leveling roller on each lower backing roll correspondingly, go up roller mechanism and arrange the upper leveling roller under each upper backing roll correspondingly including a plurality of upper backing rolls, go up leveling roller with lower leveling roller staggered arrangement, wherein two upper backing roll upper portions on both sides are provided with the top respectively and hold the subassembly, drive the upper backing roll position change on both sides through the top and hold the subassembly, and then change the position of the upper leveling roller that corresponds to adjust the leveling clearance that forms between straightener entry and the export.
As a further improvement, in the middle plurality of lower straightening rollers, the distance between every two adjacent lower straightening rollers is equal and preset to be L1, the distance between the two lower straightening rollers on two sides and the corresponding adjacent lower straightening rollers is larger than L1, in the middle plurality of upper straightening rollers, the distance between every two adjacent upper straightening rollers is equal and preset to be L1, and the distance between the two upper straightening rollers on two sides and the corresponding adjacent upper straightening rollers is larger than L1.
As a further improvement, the jacking components are correspondingly arranged at the two ends of the top wall of the upper roller mechanism, each jacking component comprises an upper wedge, a lower wedge propped against the upper wedge and a hydraulic cylinder driving the upper wedge to drive the lower wedge to move, and the hydraulic cylinder is fixedly arranged on the top wall.
As a further improvement, one plane of the upper wedge is propped against the top wall, the other plane of the upper wedge is connected with the hydraulic cylinder, the inclined plane of the upper wedge is propped against the inclined plane of the lower wedge, the bottom plane of the lower wedge is propped against the corresponding upper supporting roller, the piston rod of the hydraulic cylinder stretches out to push the upper wedge to move along the top wall so as to drive the lower wedge to move downwards, drive the upper supporting roller to move downwards, and adjust the position of the corresponding upper straightening roller.
As a further improvement, the upper roller mechanism comprises an upper roller box and an upper roller assembly which is arranged in the upper roller box and can rotate relative to the upper roller box, the upper roller box comprises a top wall and retaining walls formed at two ends of the top wall, an upper accommodating cavity is formed between the top wall and the two retaining walls, the upper roller assembly is arranged in the upper accommodating cavity, and the upper roller assembly comprises a plurality of upper supporting rollers and upper straightening rollers correspondingly arranged under each upper supporting roller.
As a further improvement, the lower roller mechanism comprises a lower roller box and a lower roller assembly which is arranged in the lower roller box and can rotate relative to the lower roller box, the lower roller box comprises a bottom wall and side walls formed at two ends of the bottom wall, a lower accommodating cavity is formed between the bottom wall and the two side walls, the lower roller assembly is arranged in the lower accommodating cavity, and the lower roller assembly comprises a plurality of lower supporting rollers and lower straightening rollers correspondingly arranged on each lower supporting roller.
As a further improvement, each lower supporting roller is provided with a rolling bearing, the lower straightening roller is arranged on the roller ring of the lower supporting roller, each upper supporting roller is provided with a rolling bearing, and the upper straightening roller is arranged on the roller ring of the upper supporting roller.
The invention also discloses a process for independently straightening the steel plate by the two end edge rollers of the straightener, which comprises the following steps:
step one: the upper roller mechanism is driven to slide downwards through the hydraulic driving system, and a considerable distance is reserved between the upper roller mechanism and the lower roller mechanism for penetrating the steel plate;
step two: penetrating the steel plate along a gap between one group of upper straightening rollers and one group of lower straightening rollers, and adjusting the positions of two jacking assemblies in the upper roller mechanism to correspondingly adjust the straightening gaps between the upper straightening rollers and the lower straightening rollers at the two ends;
step three: after the steel plate is correspondingly straightened by matching one group of upper straightening rollers and lower straightening rollers, the steel plate passes through a gap between the other group of upper straightening rollers and lower straightening rollers, and simultaneously, the steel plate is correspondingly straightened.
As a further improvement, piston rods of the hydraulic cylinders in the two jacking assemblies in the second step extend out to push the upper wedge to move along the top wall so as to drive the lower wedge to move downwards and drive the upper supporting roller in the upper roller mechanism to move downwards, so that positions of the upper straightening rollers at the corresponding two ends are changed to adjust a straightening gap formed between the inlet and the outlet of the straightener.
The invention also discloses a straightening process of the straightener, which is used for realizing independent straightening of the head or tail of the steel plate and comprises the following steps of:
step one: the upper roller mechanism is driven to tilt by a hydraulic driving system, and a considerable distance is reserved between the upper roller mechanism and the lower roller mechanism for the steel plate to enter;
step two: when the head or tail of the steel plate is straightened independently, the positions of the two jacking components in the upper roller mechanism are adjusted to correspondingly adjust the straightening gaps between the upper straightening rollers and the lower straightening rollers at the two ends;
step three: wherein the upper straightening roller at one end is matched with the lower straightening roller to straighten the head or tail of the steel plate independently.
The technical scheme of the invention has the following beneficial effects: according to the straightening machine, the straightening gaps between the upper straightening rollers and the lower straightening rollers at the two ends are correspondingly adjusted through the jacking components, so that the lower straightening rollers and the upper straightening rollers at the two ends are mutually matched and independently straighten the steel plate, the flatness of the steel plate is ensured, and the yield and the recovery rate of the steel plate are improved; through the tilting of the upper roller mechanism, the straightening rollers at the two ends and the corresponding lower straightening rollers can respectively single-straighten the head or the tail of the plate, so that the function of single-roller straightening on the chilled bending of the head or the tail of the plate is increased, the production efficiency is improved, and the production rhythm is ensured.
Drawings
FIG. 1 is a schematic view showing the structure of a leveler according to the present invention.
FIG. 2 is a schematic view showing the construction of a holding assembly in the leveler of the present invention.
FIG. 3 is a schematic view showing the structure of the leveler for leveling or counter-leveling a steel sheet according to the present invention.
FIG. 4 is a schematic view showing the structure of the leveler of the present invention for individually leveling the head or tail of a steel sheet.
Figure number and name: 1. lower roller mechanism, 11, lower roller box, 111, diapire, 112, lateral wall, 12, lower roller assembly, 121, lower backing roll, 122, lower straightening roller, 2, upper roller mechanism, 21, upper roller box, 211, roof, 212, retaining wall, 22, upper roller assembly, 221, upper backing roll, 222, upper straightening roller, 23, holding assembly, 231, upper wedge, 232, lower wedge, 233, hydraulic cylinder, 100, mount pad.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings and examples.
Referring to fig. 1 to 4, a straightening machine according to the present embodiment includes a lower roll mechanism 1, an upper roll mechanism 2 disposed at an upper portion of the lower roll mechanism 1 and capable of lifting relative to the lower roll mechanism 1, and a hydraulic driving system (not shown) for driving the upper roll mechanism 2 to lift relative to the lower roll mechanism 1 so as to straighten a steel sheet by the cooperation of the lower roll mechanism 1 and the upper roll mechanism 2.
The lower roller mechanism 1 is arranged on the mounting seat 100, and the lower roller mechanism 1 comprises a lower roller box 11 and a lower roller assembly 12 which is arranged in the lower roller box 11 and can rotate relative to the lower roller box 11. The lower roller box 11 includes a bottom wall 111 and side walls 112 formed at both ends of the bottom wall, a lower accommodating cavity is formed between the bottom wall 111 and the side walls 112 for mounting the lower roller assembly 12, and the bottom wall 111 is fixed on the mounting base 100.
The lower roll assembly 12 is disposed in the lower receiving chamber of the lower roll cassette 11, and specifically, the lower roll assembly 12 includes a plurality of lower support rolls 121 and lower straightening rolls 122 correspondingly disposed on each lower support roll 121, the lower straightening rolls 122 are driving rolls, the lower support rolls 121 are driven rolls by a motor and a speed reducer through universal joints, and the movement of the lower support rolls 121 is driven by the lower straightening rolls 122 so as to be moved up and down by the lower straightening rolls 122, thereby facilitating adjustment of a straightening gap ±delta formed by the lower straightening rolls 122 between an inlet and an outlet of the straightener.
Each lower support roller 121 is provided with a rolling bearing, and the lower straightening rollers 122 are arranged on the rollers of the lower support roller 121 to rotate relative to the lower roller box 11, wherein the distance between every two adjacent lower straightening rollers 122 in the middle of the plurality of lower straightening rollers 122 is equal, in this example, the distance between every two adjacent lower straightening rollers 122 is preset to be L1, and the distance between two lower straightening rollers 122 close to the two side walls 112 and the corresponding adjacent lower straightening rollers 122 is larger than L1.
The upper roller mechanism 2 is arranged at the upper part of the lower roller mechanism 1 in a lifting manner by a hydraulic driving system. The upper roller mechanism 2 includes an upper roller case 21, an upper roller assembly 22 provided in the upper roller case 21 and rotatable relative to the upper roller case 21, and a holding assembly 23.
The upper roller box 21 comprises a top wall 211 and retaining walls 212 formed at two ends of the top wall 211, an upper accommodating cavity is formed between the top wall 211 and the two retaining walls 212, the upper accommodating cavity is used for installing the upper roller assembly 22, and the two ends of the top wall 211 of the upper accommodating cavity are respectively provided with a jacking assembly 23 so as to drive the positions of the corresponding upper roller assembly 22 to move reversely, thereby changing the straightening gap delta formed between the inlet and the outlet of the straightener.
The upper roller assembly 22 comprises a plurality of upper supporting rollers 221 and upper straightening rollers 222 correspondingly arranged below each upper supporting roller 221, the upper straightening rollers 222 are driving rollers, the upper supporting rollers 221 are driven to rotate by a motor and a speed reducer through universal joints, the upper supporting rollers 221 are driven by the upper straightening rollers 222, the upper parts of the two upper supporting rollers 221 close to the two retaining walls 212 correspondingly abut against the supporting assemblies 23, and the supporting assemblies 23 drive the positions of the upper supporting rollers 221 on two sides to change, so that the positions of the corresponding upper straightening rollers 222 are changed, and the straightening gap is adjusted.
The upper roller assembly 22 in the upper roller mechanism 2 is staggered with the lower roller assembly 12 in the lower roller mechanism 1, specifically, the upper straightening roller 222 in the upper roller mechanism 2 is staggered with the lower straightening roller 122 in the lower roller mechanism 1, and the straightening gap between the upper straightening roller 222 and the lower straightening roller 122 is used for passing through the steel plate and straightening the steel plate through interaction of the upper straightening roller 222 and the lower straightening roller 122.
Each upper supporting roller 221 is provided with a rolling bearing, and the upper straightening rollers 222 are arranged on the roller rings of the upper supporting rollers 221 to rotate relative to the upper roller box 21, wherein the distance between every two adjacent upper straightening rollers 222 in the middle of the upper straightening rollers 222 is equal, in this example, the distance between every two adjacent upper straightening rollers 222 is preset to be L1, and the distance between two upper straightening rollers 222 close to the two retaining walls 212 and the corresponding adjacent upper straightening rollers 222 is larger than L1.
Referring to fig. 2, each jacking component 23 includes an upper wedge 231, a lower wedge 232 abutting against the upper wedge 231, and a hydraulic cylinder 233 driving the upper wedge 231 to drive the lower wedge 232 to move, one plane of the upper wedge 231 abuts against the top wall 211, the other plane of the upper wedge 231 is connected with the hydraulic cylinder 233, the inclined plane of the upper wedge 231 abuts against the inclined plane of the lower wedge 232, the bottom plane of the lower wedge 232 abuts against the corresponding upper supporting roller 221, the hydraulic cylinder 233 is fixedly installed on the top wall 211 of the upper accommodating cavity, the upper wedge 231 is pushed to move along the top wall 211 by extending out a piston rod of the hydraulic cylinder 233, so as to drive the lower wedge 232 to move downwards, and further change the position of the corresponding upper straightening roller 222, so as to adjust the opening degree formed between the inlet and the outlet of the straightener, realize that the lower straightening roller 122 and the upper straightening roller 222 at the two ends are mutually matched and independently straightened, and the finished product plate can be straightened or reversely straightened, and the yield of the plate can be improved; secondly, the roll gap of the straightening rolls at the two ends is enlarged, so that the thickness range of the straightening steel plate is widened; the straightening rollers at the two ends can respectively straighten the head or the tail of the plate by matching with the tilting function of the upper roller mechanism 2, so that the flatness of the steel plate is improved, and the function of carrying out single-roller straightening on the chilled bending of the head or the tail of the plate is added.
In operation, referring to fig. 3, the upper roller mechanism 2 is driven to slide downwards by a hydraulic driving system, a considerable distance is left between the upper roller mechanism 2 and the lower roller mechanism 1 for penetrating a steel plate, when the steel plate is straightened, the steel plate penetrates along a gap between one group of upper straightening rollers 222 and lower straightening rollers 122, positions of two supporting components 23 in the upper roller mechanism 2 are adjusted to correspondingly adjust straightening gaps between the upper straightening rollers 222 and the lower straightening rollers 122 at two ends, specifically, piston rods of hydraulic cylinders 233 in the two supporting components 23 extend out, upper wedge 231 is pushed to move along the top wall 211 to drive lower wedge 232 to move downwards, and upper supporting roller 221 in the upper roller mechanism 2 is driven to move downwards to change positions of the corresponding upper straightening rollers 222 at two ends so as to adjust straightening gaps formed between an inlet and an outlet of the straightener, and the steel plate penetrates out along a gap between the other group of upper straightening rollers 222 and the lower straightening rollers 122 after being straightened by matching the corresponding upper straightening rollers 222 and the lower straightening rollers 122; the steel plate is reversely corrected, and the process is the same as the positive correction, so that the description is omitted here; thereby improving the yield and the recovery rate of the steel plate. When it is required to straighten the head or tail of the steel sheet separately, please refer to fig. 4, the hydraulic driving system drives the upper roller mechanism 2 to tilt, and the positions of the two supporting assemblies 23 in the upper roller mechanism 2 are adjusted to correspondingly adjust the straightening gaps between the upper straightening rollers 222 and the lower straightening rollers 122 at the two ends, and the upper straightening rollers 222 at the two ends cooperate with the lower straightening rollers 122 to straighten the head or tail of the steel sheet separately, so that the flatness of the steel sheet is improved, and the function of straightening the chilled bends at the head or tail of the steel sheet by single roller is increased.
The straightening machine correspondingly adjusts the straightening gap between the upper straightening rollers 222 and the lower straightening rollers 122 at the two ends through the jacking component 23, so that the lower straightening rollers 122 and the upper straightening rollers 222 at the two ends are matched with each other to independently straighten or reversely straighten the steel plate, the heads of the steel plate are straightened, and the yield and the recovery rate of the steel plate are improved; secondly, the roll gap of the straightening rolls at the two ends is enlarged, so that the thickness range of the straightening steel plate is widened; by tilting the upper roller mechanism 2, the two end straightening rollers 222 and the corresponding lower straightening rollers 122 can respectively single-straighten the head or the tail of the plate, so that the flatness of the steel plate is improved, and the function of single-roller straightening of the chilled bending of the head or the tail of the plate is added.
The above examples are merely illustrative of the preferred embodiments of the present invention and are not intended to limit the scope of the present invention, and various modifications and improvements made by those skilled in the art to the technical solution of the present invention should fall within the scope of protection defined by the claims of the present invention without departing from the spirit of the present invention.
Claims (8)
1. The utility model provides a straightener, includes lower roller mechanism (1) and arranges in lower roller mechanism (1) upper portion and can go up roller mechanism (2) of relative lower roller mechanism (1) lift down, lower roller mechanism (1) include a plurality of lower backing roll (121) and arrange lower straightening roller (122) on every lower backing roll (121) correspondingly, its characterized in that: the upper roller mechanism (2) comprises a plurality of upper supporting rollers (221) and upper straightening rollers (222) correspondingly arranged below each upper supporting roller (221), the upper straightening rollers (222) and the lower straightening rollers (122) are arranged in a staggered mode, a jacking component (23) is correspondingly arranged at the upper parts of the two upper supporting rollers (221) on two sides, the positions of the upper supporting rollers (221) on the two sides are driven to change through the jacking component (23), and then the positions of the corresponding upper straightening rollers (222) are changed, so that straightening gaps formed by the upper supporting rollers (221) at the inlet and the outlet of the straightener are adjusted;
the lower straightening roll (122) moves up and down to adjust a straightening gap formed between an inlet and an outlet of the straightener by the lower straightening roll (122);
the straightening gap formed by the inlet and the outlet of the straightener is a straightening gap between an upper straightening roller (222) and a lower straightening roller (122) at two ends of the straightener;
when the head or tail of the steel plate is required to be straightened independently, the upper roller mechanism (2) is driven to tilt by a hydraulic driving system, and the positions of two jacking assemblies (23) in the upper roller mechanism (2) are adjusted so as to correspondingly adjust the straightening gaps between the upper straightening rollers (222) and the lower straightening rollers (122) at the two ends;
the jacking components (23) are correspondingly arranged at two ends of the top wall (211) of the upper roller mechanism (2), each jacking component (23) comprises an upper inclined wedge (231), a lower inclined wedge (232) abutted against the upper inclined wedge (231) and a hydraulic cylinder (233) for driving the upper inclined wedge (231) to drive the lower inclined wedge (232) to move, and the hydraulic cylinder (233) is fixedly arranged on the top wall (211);
one plane of the upper inclined wedge (231) is abutted against the top wall (211), the other plane of the upper inclined wedge (231) is connected with the hydraulic cylinder (233), the inclined plane of the upper inclined wedge (231) is abutted against the inclined plane of the lower inclined wedge (232), the bottom plane of the lower inclined wedge (232) is abutted against the corresponding upper supporting roller (221), and the piston rod of the hydraulic cylinder (233) stretches out to push the upper inclined wedge (231) to move along the top wall (211) so as to drive the lower inclined wedge (232) to move downwards, drive the upper supporting roller (221) to move downwards, and adjust the position of the corresponding upper straightening roller (222).
2. The leveler according to claim 1, wherein: in the middle of a plurality of lower straightening rollers (122), the distance between every two adjacent lower straightening rollers (122) is equal and preset to be L1, the distance between two lower straightening rollers (122) on two sides and the corresponding adjacent lower straightening rollers (122) is larger than L1, the distance between every two adjacent upper straightening rollers (222) in the middle of a plurality of upper straightening rollers (222) is equal and preset to be L1, and the distance between two upper straightening rollers (222) on two sides and the corresponding adjacent upper straightening rollers (222) is larger than L1.
3. The leveler according to claim 1, wherein: the upper roller mechanism (2) comprises an upper roller box (21), an upper roller assembly (22) which is arranged in the upper roller box (21) and can rotate relative to the upper roller box (21), the upper roller box (21) comprises a top wall (211) and retaining walls (212) formed at two ends of the top wall (211), an upper accommodating cavity is formed between the top wall (211) and the two retaining walls (212), the upper roller assembly (22) is arranged in the upper accommodating cavity, and the upper roller assembly (22) comprises a plurality of upper supporting rollers (221) and upper straightening rollers (222) which are correspondingly arranged under each upper supporting roller (221).
4. The leveler according to claim 1, wherein: lower roller mechanism (1) include lower roller box (11), set up in lower roller box (11) and can rotate relative lower roller box (11) lower roller assembly (12), lower roller box (11) include diapire (111) and form lateral wall (112) at diapire both ends, form down between diapire (111) and both sides wall (112) and hold the chamber, lower roller assembly (12) set up lower hold the intracavity, lower roller assembly (12) include a plurality of lower backing roll (121) and arrange correspondingly in lower straightening roll (122) on each lower backing roll (121).
5. The leveler according to claim 1, wherein: each lower supporting roller (121) is provided with a rolling bearing, the lower straightening roller (122) is arranged on the roller ring of the lower supporting roller (121), each upper supporting roller (221) is provided with a rolling bearing, and the upper straightening roller (222) is arranged on the roller ring of the upper supporting roller (221).
6. A straightening process of a straightener according to any one of claims 1 to 5 to achieve independent straightening of steel sheets with both edge rolls, characterized in that: the method comprises the following steps:
step one: the upper roller mechanism (2) is driven to slide downwards through the hydraulic driving system, and a considerable distance is reserved between the upper roller mechanism (2) and the lower roller mechanism (1) for penetrating a steel plate;
step two: penetrating the steel plate along a gap between one group of upper straightening rollers (222) and lower straightening rollers (122), and adjusting the positions of two jacking assemblies (23) in the upper roller mechanism (2) to correspondingly adjust the straightening gaps between the upper straightening rollers (222) and the lower straightening rollers (122) at two ends;
step three: after the steel plate is correspondingly straightened by matching one group of upper straightening rollers (222) and lower straightening rollers (122), the steel plate is correspondingly straightened along the clearance between the other group of upper straightening rollers (222) and lower straightening rollers (122).
7. A straightening process according to claim 6, characterized in that: and in the second step, piston rods of hydraulic cylinders (233) in the two jacking assemblies (23) extend to push the upper inclined wedges (231) to move along the top wall (211) so as to drive the lower inclined wedges (232) to move downwards and drive the upper supporting rollers (221) in the upper roller mechanism (2) to move downwards, so that positions of the upper straightening rollers (222) at the corresponding two ends are changed to adjust straightening gaps formed between the inlet and the outlet of the straightener.
8. A straightening process of a straightening machine according to any one of claims 1 to 5 to achieve individual straightening of the head or tail of a steel sheet, characterized in that: the method comprises the following steps:
step one: the upper roller mechanism (2) is driven to tilt by a hydraulic driving system, and a considerable distance is reserved between the upper roller mechanism (2) and the lower roller mechanism (1) for the steel plate to enter;
step two: when the head or tail of the steel plate is straightened independently, the positions of the two propping assemblies (23) in the upper roller mechanism (2) are adjusted to correspondingly adjust the straightening gaps between the upper straightening rollers (222) and the lower straightening rollers (122) at the two ends;
step three: the upper straightening roller (222) at one end is matched with the lower straightening roller (122) to straighten the head or tail of the steel plate independently.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111200023.3A CN114074135B (en) | 2021-10-14 | 2021-10-14 | Straightening machine and straightening process thereof |
| CN202311475534.5A CN117583423A (en) | 2021-10-14 | 2021-10-14 | Straightening machine and straightening process thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111200023.3A CN114074135B (en) | 2021-10-14 | 2021-10-14 | Straightening machine and straightening process thereof |
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| CN202311475534.5A Division CN117583423A (en) | 2021-10-14 | 2021-10-14 | Straightening machine and straightening process thereof |
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| Publication Number | Publication Date |
|---|---|
| CN114074135A CN114074135A (en) | 2022-02-22 |
| CN114074135B true CN114074135B (en) | 2023-11-14 |
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| CN202111200023.3A Active CN114074135B (en) | 2021-10-14 | 2021-10-14 | Straightening machine and straightening process thereof |
| CN202311475534.5A Pending CN117583423A (en) | 2021-10-14 | 2021-10-14 | Straightening machine and straightening process thereof |
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| CN202311475534.5A Pending CN117583423A (en) | 2021-10-14 | 2021-10-14 | Straightening machine and straightening process thereof |
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| CN115430728A (en) * | 2022-09-13 | 2022-12-06 | 广西广盛新材料科技有限公司 | Steel plate straightening method and straightening device |
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|---|---|---|---|---|
| CN2396905Y (en) * | 1999-07-02 | 2000-09-20 | 王岳云 | Variable roll spacing steel plate straightener |
| RU2456109C1 (en) * | 2010-12-16 | 2012-07-20 | Валерий Никитич Гринавцев | Strip straightening machine |
| CN105618519A (en) * | 2014-10-31 | 2016-06-01 | 朱振新 | Improved roller gap adjusting device of straightening machine |
| CN106238510A (en) * | 2016-08-31 | 2016-12-21 | 太原科技大学 | A kind of straightener roll gap pressure adjusting means |
| CN107774742A (en) * | 2017-12-07 | 2018-03-09 | 中国重型机械研究院股份公司 | A kind of new change roll spacing plate-straightening machine |
| CN210023310U (en) * | 2019-03-21 | 2020-02-07 | 首钢京唐钢铁联合有限责任公司 | Leveling and straightening machine |
-
2021
- 2021-10-14 CN CN202111200023.3A patent/CN114074135B/en active Active
- 2021-10-14 CN CN202311475534.5A patent/CN117583423A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2396905Y (en) * | 1999-07-02 | 2000-09-20 | 王岳云 | Variable roll spacing steel plate straightener |
| RU2456109C1 (en) * | 2010-12-16 | 2012-07-20 | Валерий Никитич Гринавцев | Strip straightening machine |
| CN105618519A (en) * | 2014-10-31 | 2016-06-01 | 朱振新 | Improved roller gap adjusting device of straightening machine |
| CN106238510A (en) * | 2016-08-31 | 2016-12-21 | 太原科技大学 | A kind of straightener roll gap pressure adjusting means |
| CN107774742A (en) * | 2017-12-07 | 2018-03-09 | 中国重型机械研究院股份公司 | A kind of new change roll spacing plate-straightening machine |
| CN210023310U (en) * | 2019-03-21 | 2020-02-07 | 首钢京唐钢铁联合有限责任公司 | Leveling and straightening machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114074135A (en) | 2022-02-22 |
| CN117583423A (en) | 2024-02-23 |
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