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
- Publication number
- 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
- Authority
- CN
- China
- Prior art keywords
- upper roller
- swinging frame
- straightening
- steel
- strip steel
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
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
Landscapes
- 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 |
Family
ID=73309957
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 |
Country Status (1)
| Country | Link |
|---|---|
| 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 |
-
2020
- 2020-08-31 CN CN202010893056.XA patent/CN111922123A/en active Pending
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 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101712052B (en) | Transverse straightener | |
| CN109332387B (en) | Temper mill for preventing middle wave shape, production system and production method | |
| CN213530240U (en) | Device for improving transverse fold defect of straightening strip steel for acid leveling machine set | |
| CN111922123A (en) | Device for improving transverse fold defect of straightening strip steel for acid leveling machine set | |
| CN201201018Y (en) | Roller way used for steel plate to enter into flattening machine | |
| CN219985811U (en) | Channel steel rolled piece straightener | |
| CN209035189U (en) | Gap can adjust automatically four-roller furling plate round machine | |
| CN212469290U (en) | Plate leveler | |
| CN111185481A (en) | Combined cold rolling stretching bending straightener | |
| CN211304292U (en) | Five-roller straightener with floating pinch roller upper roller | |
| CN109047403A (en) | Gap can adjust automatically four-roller furling plate round machine | |
| CN202316636U (en) | Auxiliary strip threading device of pickling line winding machine | |
| CN212857201U (en) | Hydraulic straightening machine for strip-shaped welding workpiece | |
| CN111229835B (en) | Wrap angle adjustable stretch bending straightening machine | |
| CN203635637U (en) | Loop between pinch roll and finishing mill | |
| CN114789205A (en) | Leveling and correcting device for steel coil winding | |
| CN204564811U (en) | A kind of steel pipe tubing system | |
| CN219899648U (en) | Multipurpose belt winding aid | |
| CN112845675A (en) | Method for straightening low-grade non-oriented silicon steel by withdrawal straightening machine | |
| CN219026619U (en) | Steel pipe profiling device | |
| CN214235587U (en) | Coiling steering roller system for controlling crease mark on head of hot-rolled strip steel | |
| CN207026182U (en) | Produce the coil machine straightening device of guide rail bracket of elevator | |
| CN216325777U (en) | Fixed spot projection welding machine for metal welding | |
| CN116586445A (en) | Multipurpose belt winding aid for one machine and use method thereof | |
| CN214516848U (en) | Cold-rolled sheet uncoiling and coiling assisting device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |