CN111922123A - Device for improving transverse fold defect of straightening strip steel for acid leveling machine set - Google Patents
Device for improving transverse fold defect of straightening strip steel for acid leveling machine set Download PDFInfo
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- CN111922123A CN111922123A CN202010893056.XA CN202010893056A CN111922123A CN 111922123 A CN111922123 A CN 111922123A CN 202010893056 A CN202010893056 A CN 202010893056A CN 111922123 A CN111922123 A CN 111922123A
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- upper roller
- swinging frame
- straightening
- steel
- strip steel
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 51
- 239000010959 steel Substances 0.000 title claims abstract description 51
- 230000007547 defect Effects 0.000 title claims abstract description 18
- 239000002253 acid Substances 0.000 title abstract description 7
- 230000007246 mechanism Effects 0.000 claims abstract description 18
- 238000001514 detection method Methods 0.000 claims abstract description 11
- 238000005452 bending Methods 0.000 claims abstract description 9
- 238000010079 rubber tapping Methods 0.000 claims abstract description 4
- 238000005299 abrasion Methods 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 239000002994 raw material Substances 0.000 description 4
- 238000005096 rolling process Methods 0.000 description 3
- 230000008602 contraction Effects 0.000 description 2
- 238000005098 hot rolling Methods 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 230000037303 wrinkles Effects 0.000 description 1
Images
Classifications
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C51/00—Measuring, gauging, indicating, counting, or marking devices specially adapted for use in the production or manipulation of material in accordance with subclasses B21B - B21F
-
- 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
- B21D43/00—Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
- B21D43/02—Advancing work in relation to the stroke of the die or tool
- B21D43/021—Control or correction devices in association with moving strips
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Straightening Metal Sheet-Like Bodies (AREA)
Abstract
The invention discloses a device for improving transverse fold line defects of a straightening strip steel for an acid leveling unit, which belongs to the field of strip steel production and comprises a deviation correcting mechanism and a strip steel bending and straightening mechanism; the deviation correcting mechanism comprises a base, a swinging frame and a strip steel detecting device, wherein the base and the swinging frame are connected through a telescopic hydraulic cylinder; the steel strip detection device is positioned in the steel tapping direction of the swinging frame and comprises a frame and a center line deviation detection device; the strip steel bending and straightening mechanism comprises a lower roller, an upper roller, a lifting hydraulic cylinder and an upper roller bracket; the two lower rollers are horizontally arranged on the swinging frame, and the upper roller is arranged in the middle position above the two lower rollers to form a triangular shape; the upper roller is fixed at the front end of the upper roller support, and the other end of the upper roller support is hinged with one end of the swinging frame. Compared with the prior art, the invention can improve the defect of transverse fold, reduce the abrasion of the roller system in the subsequent process and prolong the service life of the roller.
Description
Technical Field
The invention relates to a device for producing strip steel, in particular to a device which is arranged in an acid leveling unit and is used for straightening the shape of the strip steel so as to improve the defect of transverse wrinkles.
Background
With the progress of steel rolling technology and the development of hot rolling production lines, hot rolling of thin products is possible, and the thickness specification of a hot rolled plate is expanded to 0.7-4.0 mm. However, the thickness is decreased to cause a defect that the plate shape is poor.
In the prior art, a straightening plate-shaped device is not arranged at the front section of the straightening machine set, the shape of a raw material strip steel plate is poor after strip steel is welded, the abrasion to a subsequent process roller system is serious, and the service cycle of a roller is short. In addition, even if the plate shape is serious, the plate shape cannot be completely eliminated after passing through a scale breaker and a withdrawal and straightening machine, so that the defect of the plate shape is caused. Meanwhile, the thin strip steel raw material with poor plate shape is easy to generate transverse fold line defects.
Disclosure of Invention
The technical task of the invention is to provide a device for straightening strip steel to improve the transverse fold defect for an acid leveling unit, which aims at overcoming the defects of the prior art, reduces the abrasion of a process roller system and further improves the shape of a raw material plate.
The technical scheme for solving the technical problem is as follows: the utility model provides a sour flat-bed machine group is with device that straightening belted steel improves horizontal fold line defect which characterized in that: comprises a deviation correcting mechanism and a strip steel bending and straightening mechanism; the deviation correcting mechanism comprises a base, a swinging frame and a strip steel detecting device, wherein the base and the swinging frame are connected through a telescopic hydraulic cylinder; the steel strip detection device is positioned in the steel tapping direction of the swinging frame and comprises a frame and a center line deviation detection device; the strip steel bending and straightening mechanism comprises a lower roller, an upper roller, a lifting hydraulic cylinder and an upper roller bracket; the two lower rollers are horizontally arranged on the swinging frame, and the upper roller is arranged in the middle position above the two lower rollers to form a triangular shape; the upper roller is fixed at the front end of the upper roller support, and the other end of the upper roller support is hinged with one end of the swinging frame.
In the optimization scheme, a plurality of rollers and a connecting rod are arranged between the swinging frame and the base, and two ends of the connecting rod are hinged with the swinging frame and the base.
The roll diameters of the two lower rolls were 400 mm.
The upper roller support is a T-shaped arm, the T-shaped arm comprises a straight arm and a cross arm, the bottom end of the straight arm is hinged with one end of the swinging frame, the lower part of the front end of the cross arm is provided with an upper roller, and the rear end of the cross arm is hinged with one end of the swinging frame through a telescopic hydraulic cylinder.
The diameter of the working roll of the upper roll contacting with the strip steel is 80 mm.
Compared with the prior art, the invention has the following outstanding beneficial effects:
1. on the basis of having the deviation rectifying function, the invention also has the strip steel straightening function, thereby reducing the abrasion of the process roller system, further improving the shape of the raw material and reducing the judging rate of the shape defect by 0.3 percent;
2. the transverse fold defect is improved by adjusting the rolling reduction of the straightening roll;
3. reduce the abrasion of the roller system in the subsequent process and prolong the service life of the roller.
Drawings
Fig. 1 is a schematic view of an assembly relationship in embodiment 1 of the present invention.
Fig. 2 is a schematic structural view of embodiment 1 of the present invention.
FIG. 3 is a schematic view of the structure of an upper roller holder in embodiment 2 of the present invention.
Fig. 4 is a schematic view of the structure of the upper roll of the present invention.
Detailed Description
The invention is further described with reference to the drawings and the detailed description. According to the advancing direction of the strip steel, the inlet is front, and the outlet is back (the left side is front and the right side is back in the drawing).
Generally, the leveler group includes an uncoiler, an inlet shear, a welder, an inlet loop, a phosphorus breaker, an acid washing section, a rinsing section, a leveler, a withdrawal and straightening machine, an outlet loop, an outlet shear, and a coiler connected in series.
As shown in figure 1, the invention is arranged behind a welding machine of an acid leveling unit and before an inlet loop, wherein a circle is positioned. In the specific embodiment, a welding machine, a roller guide plate table, a pinch roll, the invention and a tension roll in front of an inlet loop are sequentially connected. The tail part of the head of the two-tape steel is welded by a laser welder, and then enters the tension roller and the roller guide plate table after passing through the pinch roller.
As shown in FIG. 2, the present invention comprises a deviation correcting mechanism and a strip bending and straightening mechanism.
The deviation correcting mechanism comprises a base 1, a swinging frame 3 and a strip steel detecting device 8, wherein the base 1 and the swinging frame are connected through a telescopic hydraulic cylinder 2.
The steel strip detection device comprises a fixed base 1, a swinging frame 3 and a strip steel detection device 8, wherein the fixed base 1 is horizontally arranged, the swinging frame 3 is arranged on the base 1, and the strip steel detection device 8 is positioned in the steel tapping direction of the swinging frame 3 and comprises a frame and a center line deviation detection device.
The deviation correcting mechanism is common equipment in the field, the deviation condition of the center line of the strip steel 9 is obtained through the strip steel detecting device 8, the deviation of the center line of the swing frame 3 and the center line of the system is corrected through the telescopic hydraulic cylinder 2, the implementation scheme is various, and the core is that the strip steel 9 has the tendency of returning to the center line of the system through a piston rod of the hydraulic cylinder 2, so that the deviation correcting purpose is achieved. The structure and the detection method are common structures of existing deviation rectifying mechanisms (such as three-roller deviation rectifying devices), and this embodiment only describes one implementation manner, but is not limited to this implementation manner.
In this embodiment, a plurality of rollers are disposed between the swing frame 3 and the base 1 to support the swing frame 3. A connecting rod is arranged between the swing frame 3 and the base 1, and two ends of the connecting rod are hinged with the swing frame 3 and the base 1.
And two ends of the telescopic hydraulic cylinder 2 are respectively hinged with the base 1 and the swinging frame 3. When the strip steel 9 deviates, the swing frame 3 deviates to a certain direction, and the center line of the swing frame 3 deviates from the system center line. The swinging frame 3 is controlled to swing towards the opposite direction of the deviation of the strip steel by extending or retracting a piston rod of the hydraulic cylinder, and the strip steel 9 has the tendency of returning to the central line of the system under the clamping state of the upper roller 6 and the lower roller 4, so that the deviation rectification purpose is achieved.
The strip steel bending and straightening mechanism comprises a lower roller 4, an upper roller 6, a lifting hydraulic cylinder 5 and an upper roller bracket 7.
The two lower rollers 4 are horizontally arranged on the swing frame 3, and the upper roller 6 is arranged in the middle above the two lower rollers 4 to form a triangular shape. The diameter of the two lower rollers 4 is 400 mm.
The upper roller 6 is fixed at the front end of an upper roller support 7, and the other end of the upper roller support 7 is hinged with one end of the swinging frame 3.
As shown in fig. 2, in embodiment 1, the upper roller support 7 is a T-shaped arm, the T-shaped arm includes a straight arm and a cross arm, the bottom end of the straight arm is hinged to one end of the swing frame 3, the lower part of the front end of the cross arm is provided with the upper roller 6, and the rear end of the cross arm is hinged to one end of the swing frame 3 through a telescopic hydraulic cylinder. The lifting and pressing of the upper roller 6 is realized by the extension and contraction of the telescopic hydraulic cylinder.
As shown in fig. 3, in embodiment 2, the upper roller support 7 is an L-shaped arm, the L-shaped arm includes a straight arm and a cross arm, the bottom end of the straight arm is hinged to one end of the swing frame 3, the lower part of the front end of the cross arm is provided with the upper roller 6, and the front end of the cross arm is hinged to one end of the swing frame 3 through a telescopic hydraulic cylinder. The lifting and pressing of the upper roller 6 is realized by the extension and contraction of the telescopic hydraulic cylinder.
The upper roller 6 adopts two groups of segmental supporting modes for increasing the rigidity of the roller, and specifically comprises a rigid frame 61, two supporting rollers 62 and a working roller 63 as shown in fig. 4. The rigid frame 61 is fixed to the swing frame 3. The roller shafts of two support rollers 62 and one work roller 63 are rotatably connected to the rigid frame 61. In order to enhance the bending action on the strip steel, the diameter of the working roll 63 in contact with the strip steel 9 is phi 80mm, so that the rolling reduction is increased, and the basic function of straightening is realized besides the original deviation rectifying function.
It should be noted that while the invention has been described in detail with respect to specific embodiments thereof, it will be apparent to those skilled in the art that various obvious changes can be made therein without departing from the spirit and scope of the invention.
Claims (5)
1. The utility model provides a sour flat-bed machine group is with device that straightening belted steel improves horizontal fold line defect which characterized in that: comprises a deviation correcting mechanism and a strip steel bending and straightening mechanism; the deviation correcting mechanism comprises a base, a swinging frame and a strip steel detecting device, wherein the base and the swinging frame are connected through a telescopic hydraulic cylinder; the steel strip detection device is positioned in the steel tapping direction of the swinging frame and comprises a frame and a center line deviation detection device; the strip steel bending and straightening mechanism comprises a lower roller, an upper roller, a lifting hydraulic cylinder and an upper roller bracket; the two lower rollers are horizontally arranged on the swinging frame, and the upper roller is arranged in the middle position above the two lower rollers to form a triangular shape; the upper roller is fixed at the front end of the upper roller support, and the other end of the upper roller support is hinged with one end of the swinging frame.
2. The apparatus of claim 1 for straightening steel strip to improve cross-fold defects in a leveler train, wherein: a plurality of rollers and a connecting rod are arranged between the swinging frame and the base, and two ends of the connecting rod are hinged with the swinging frame and the base.
3. The apparatus of claim 1 for straightening steel strip to improve cross-fold defects in a leveler train, wherein: the roll diameters of the two lower rollers are 400 mm.
4. The apparatus of claim 1 for straightening steel strip to improve cross-fold defects in a leveler train, wherein: the upper roller support is a T-shaped arm, the T-shaped arm comprises a straight arm and a cross arm, the bottom end of the straight arm is hinged with one end of the swinging frame, the lower part of the front end of the cross arm is provided with an upper roller, and the rear end of the cross arm is hinged with one end of the swinging frame through a telescopic hydraulic cylinder.
5. The apparatus of claim 1 for straightening steel strip to improve cross-fold defects in a leveler train, wherein: the diameter of the working roll of the upper roll in contact with the strip steel is 80 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010893056.XA CN111922123A (en) | 2020-08-31 | 2020-08-31 | Device for improving transverse fold defect of straightening strip steel for acid leveling machine set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010893056.XA CN111922123A (en) | 2020-08-31 | 2020-08-31 | Device for improving transverse fold defect of straightening strip steel for acid leveling machine set |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111922123A true CN111922123A (en) | 2020-11-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010893056.XA Pending CN111922123A (en) | 2020-08-31 | 2020-08-31 | Device for improving transverse fold defect of straightening strip steel for acid leveling machine set |
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| Country | Link |
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| CN (1) | CN111922123A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115161569A (en) * | 2022-05-26 | 2022-10-11 | 东北大学 | Strip clamping and conveying three-roller device and strip clamping and conveying method for cooling section of air cushion furnace |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201268718Y (en) * | 2008-10-17 | 2009-07-08 | 宝山钢铁股份有限公司 | Deviation rectifying roller adjusting apparatus |
| RU2008135198A (en) * | 2008-08-28 | 2010-03-10 | Открытое акционерное общество "Магнитогорский металлургичкий комбинат" (RU) | DEVICE FOR EDITING WIDE HOT-ROLLED BANDS AND METHOD FOR THEIR EDITING |
| CN102773257A (en) * | 2012-07-11 | 2012-11-14 | 中冶南方工程技术有限公司 | Hot-rolled austenitic stainless steel band steel annealing pickling line inlet device and annealing process thereof |
| CN203976926U (en) * | 2014-07-29 | 2014-12-03 | 浙江联鑫板材科技有限公司 | The deviation rectification roller assembly of pickling machine |
| CN205709070U (en) * | 2016-06-08 | 2016-11-23 | 武汉钢铁股份有限公司 | Horizontal loop band steel deviation correcting device |
| CN206168943U (en) * | 2016-09-21 | 2017-05-17 | 中冶南方工程技术有限公司 | Continuous production unit |
| CN206915445U (en) * | 2017-03-17 | 2018-01-23 | 山东宏旺实业有限公司 | A kind of three roll correction device on steel band transmission line |
| CN213530240U (en) * | 2020-08-31 | 2021-06-25 | 日照宝华新材料有限公司 | Device for improving transverse fold defect of straightening strip steel for acid leveling machine set |
-
2020
- 2020-08-31 CN CN202010893056.XA patent/CN111922123A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2008135198A (en) * | 2008-08-28 | 2010-03-10 | Открытое акционерное общество "Магнитогорский металлургичкий комбинат" (RU) | DEVICE FOR EDITING WIDE HOT-ROLLED BANDS AND METHOD FOR THEIR EDITING |
| CN201268718Y (en) * | 2008-10-17 | 2009-07-08 | 宝山钢铁股份有限公司 | Deviation rectifying roller adjusting apparatus |
| CN102773257A (en) * | 2012-07-11 | 2012-11-14 | 中冶南方工程技术有限公司 | Hot-rolled austenitic stainless steel band steel annealing pickling line inlet device and annealing process thereof |
| CN203976926U (en) * | 2014-07-29 | 2014-12-03 | 浙江联鑫板材科技有限公司 | The deviation rectification roller assembly of pickling machine |
| CN205709070U (en) * | 2016-06-08 | 2016-11-23 | 武汉钢铁股份有限公司 | Horizontal loop band steel deviation correcting device |
| CN206168943U (en) * | 2016-09-21 | 2017-05-17 | 中冶南方工程技术有限公司 | Continuous production unit |
| CN206915445U (en) * | 2017-03-17 | 2018-01-23 | 山东宏旺实业有限公司 | A kind of three roll correction device on steel band transmission line |
| CN213530240U (en) * | 2020-08-31 | 2021-06-25 | 日照宝华新材料有限公司 | Device for improving transverse fold defect of straightening strip steel for acid leveling machine set |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115161569A (en) * | 2022-05-26 | 2022-10-11 | 东北大学 | Strip clamping and conveying three-roller device and strip clamping and conveying method for cooling section of air cushion furnace |
| CN115161569B (en) * | 2022-05-26 | 2023-02-28 | 东北大学 | Strip clamping and conveying three-roller device and strip clamping and conveying method for cooling section of air cushion furnace |
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