CN213530240U - 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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- CN213530240U CN213530240U CN202021853091.0U CN202021853091U CN213530240U CN 213530240 U CN213530240 U CN 213530240U CN 202021853091 U CN202021853091 U CN 202021853091U CN 213530240 U CN213530240 U CN 213530240U
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- upper roller
- swinging frame
- straightening
- steel
- strip steel
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Abstract
The utility model discloses a device for improving the transverse fold defect 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 utility model discloses can improve horizontal fold line defect, reduce follow-up technology roller system wearing and tearing, increase roller life.
Description
Technical Field
The utility model relates to a device is used in the strip steel production, especially a configuration is sour flat unit in, possesses the device of aligning belted steel plate-type in order to improve horizontal fold line defect.
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.
SUMMERY OF THE UTILITY MODEL
The technical task of the utility model is to provide a sour leveling unit is with straightening belted steel improves device of horizontal fold line defect to the not enough of above prior art, alleviates technology roller and is wearing and tearing, further improves the raw materials plate-type.
The technical proposal of the utility model for solving the technical problem is that: 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 utility model discloses following outstanding beneficial effect has:
1. the utility model has the function of strip steel straightening on the basis of having the function of deviation rectification, reduces the abrasion of the process roller system, further improves the shape of the raw material, and reduces the rate of judging 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 diagram of embodiment 1 of the present invention.
Fig. 3 is a schematic structural view of an upper roller support according to embodiment 2 of the present invention.
Fig. 4 is a schematic structural view of the upper roller 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 utility model is arranged behind a welding machine of the acid leveling unit and before an inlet loop, and the circle is positioned in the figure. In the concrete embodiment, a welding machine, a roller guide plate table, a pinch roll and the inlet loop front tension roll are connected in sequence. The two winding steel head and tail parts are welded by a laser welder and then enter the tension roller after passing through the roller guide plate table and the pinch roller.
As shown in figure 2, the utility model comprises a deviation rectifying mechanism and a strip steel 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 connecting rods are arranged between the swinging frame and the base, and two ends of each 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 |
|---|---|---|---|
| CN202021853091.0U CN213530240U (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 |
|---|---|---|---|
| CN202021853091.0U CN213530240U (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 |
|---|---|
| CN213530240U true CN213530240U (en) | 2021-06-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021853091.0U Expired - Fee Related CN213530240U (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) | CN213530240U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116713347A (en) * | 2023-08-10 | 2023-09-08 | 太原科技大学 | Variable wrap angle compaction device for metal ultrathin strip used for stretching, bending and straightening process |
-
2020
- 2020-08-31 CN CN202021853091.0U patent/CN213530240U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116713347A (en) * | 2023-08-10 | 2023-09-08 | 太原科技大学 | Variable wrap angle compaction device for metal ultrathin strip used for stretching, bending and straightening process |
| CN116713347B (en) * | 2023-08-10 | 2023-11-03 | 太原科技大学 | Variable wrap angle compaction device for metal ultrathin strip used for stretching, bending and straightening process |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210625 |