Supporting and winding roller device capable of preventing strip steel from wrinkling

Abstract

The invention belongs to the technical field of auxiliary equipment of steel rolling machinery, discloses a supporting and winding roller device for preventing strip steel from wrinkling, and aims at solving the problems proposed in the background technology, the following scheme is proposed: the supporting and winding roller device comprises a fixed base plate, and an adjusting sliding rail is fixedly mounted at the center of the top of the fixed base plate in the length direction; adjusting sliding blocks are slidably inserted into the inner walls of the adjusting sliding rails, and lead screws are in threaded connection with the middles of the adjusting sliding blocks. The technical problem that a series of synchronization differences exist in synchronous control is effectively solved by adopting an active and follow-up control mode, and the active and follow-up operation mode is adopted in the uncoiling or coiling process, so that strip steel is in a tensioning state in the uncoiling or coiling process, and the strip steel is not prone to being damaged. The problems that the strip steel is wrinkled in the uncoiling process, the surface of the strip steel is scratched due to the synchronization difference and the like are effectively solved, meanwhile, the problems that the strip steel is wrinkled and scratched in the coiling process and a steel coil is loosened are solved, and the product quality and the appearance quality are effectively improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of rolling mill auxiliary equipment, and particularly relates to a coiled strip folding-preventing coiled strip supporting roller device. BACKGROUND

[0002] In a hot-rolled strip production line, finished coiled strips need to be uncoiled for inspection or sampling according to process requirements. A traditional coiled strip supporting roller device usually adopts a synchronous hydraulic motor driving form, and realizes synchronous control of two hydraulic motors through a hydraulic proportional valve. However, in practical application, due to factors such as unbalanced load, different frictional resistance, different hydraulic motor leakage, and manufacturing error of the hydraulic proportional valve, the synchronism of the two hydraulic motors is seriously affected. Therefore, in the process of use, the control is difficult, and the control precision is always unsatisfactory, and the problem of poor synchronism of the two hydraulic motors often occurs, which causes speed difference between the two coiled strip supporting rollers, and causes phenomena such as folding, scratching and loose coiling during uncoiling or coiling of the coiled strips, so that defects appear on the surface of the coiled strips or the coiled strips are loose, which seriously affects the product quality and appearance quality, and even affects the yield. SUMMARY

[0003] The present application relates to the technical field of rolling mill auxiliary equipment, and particularly relates to a coiled strip folding-preventing coiled strip supporting roller device.

[0004] In order to achieve the above-mentioned purpose, the present application adopts the following technical scheme:

[0005] A coiled strip folding-preventing coiled strip supporting roller device, comprising a fixed base plate, an adjusting slide rail is fixedly installed at the top center of the fixed base plate along the length direction, an adjusting slide block is slidably inserted into the inner wall of the adjusting slide rail, a lead screw is screwed at the middle part of the adjusting slide block, a first servo motor is connected to one end of the lead screw through a shaft coupling, a coiled strip supporting roller support is fixed to the top of the adjusting slide block through bolts, and a bearing seat is fixed to the top of the coiled strip supporting roller support and the middle part of the fixed base plate through bolts, a plummer block bearing is embedded in the inner wall of each of the four bearing seats, and a first coiled strip supporting roller and a second coiled strip supporting roller are rotatably installed in the inner wall of the plummer block bearing, respectively.

[0006] The end part of the first coiled strip supporting roller and the second coiled strip supporting roller is connected with an inner spline sleeve through bolts, an outer spline shaft is connected to the end part of the inner spline sleeve away from the first coiled strip supporting roller and the second coiled strip supporting roller, one end of the outer spline shaft is connected with the inner spline of a hydraulic motor, the hydraulic motor is fixed with the bearing seat through a flange sleeve, and a safety baffle is fixed to the top side of the coiled strip supporting roller support through bolts.

[0007] The fixed base plate top is provided with an electric sliding rail parallel to the length direction, and the inner wall of the electric sliding rail is slidably connected with a sliding seat, the top of the sliding seat is fixed with a mounting bracket through bolts, and the top of the mounting bracket is slidably inserted with a T-shaped fixing plate, the top of the T-shaped fixing plate is connected with a hydraulic telescopic rod, and a rectangular frame is welded between the two T-shaped fixing plates.

[0008] Preferably, the second winding roller is provided with an encoder support at one side bearing block end, and an encoder is installed on the encoder support through screws.

[0009] Preferably, the two sides of the adjusting sliding rail are fixed with guide sliding rails in parallel direction, and two groups of guide rollers are fixedly installed on the bottom of the winding roller support, and the guide rollers are rollingly connected in the inner wall of the guide sliding rail.

[0010] Preferably, the bottom of the rectangular frame is rotatably provided with a first adjusting pressure roller and a second adjusting pressure roller on both sides, respectively, and the rotating direction and rotating speed of the first adjusting pressure roller and the second adjusting pressure roller are the same.

[0011] Preferably, the first adjusting pressure roller and the second adjusting pressure roller are provided with a first synchronous pulley on the same side outer wall, and the outer wall of the first synchronous pulley is engaged with a synchronous belt, the inner wall of the synchronous belt is engaged with a second synchronous pulley, and the outer wall of one side of the second synchronous pulley is connected with a second servo motor at the shaft center.

[0012] Preferably, the opposite side outer wall of the two mounting brackets is provided with an electric telescopic rod penetratingly, and the piston rod of the electric telescopic rod is fixed with a C-shaped mounting seat, the inner wall of the C-shaped mounting seat is rotatably provided with an alignment top roller, the outer wall of the alignment top roller is provided with an antiskid rubber pad, and the length size of the alignment top roller is matched with the radius size of the strip steel roll.

[0013] Preferably, the two sides of the C-shaped mounting seat are welded with a limiting guide column, and one side of the mounting bracket is provided with two limiting insertion holes penetratingly, the inner wall size of the limiting insertion hole is matched with the size of the limiting guide column, and the limiting insertion hole and the limiting guide column are formed in plug-in cooperation.

[0014] Preferably, the first adjusting pressure roller and the second adjusting pressure roller are located above the first winding roller and the second winding roller, and the length distance between the first adjusting pressure roller and the second winding roller is the same as the length distance between the second adjusting pressure roller and the first winding roller.

[0015] The beneficial effects of the present application are:

[0016] 1. The design of the anti-belt steel folding roll device, through the adoption of "active + follow-up" control mode, effectively solves some synchronization difference technical problems existing in "synchronous control", adopts "active + follow-up" operation mode in the process of uncoiling or winding, so that the belt steel is in tension state in the process of uncoiling or winding, effectively solves the problems of belt steel folding in the process of uncoiling and the scratches on the surface of the belt steel caused by synchronization difference, and solves the problems of belt steel folding, scratches and loose coil in the process of winding, effectively improves the product quality and appearance quality;

[0017] 2. The anti-belt steel folding roll device of the design, in the process of belt steel winding or uncoiling, the bottom utilizes the first servo motor to drive the screw rod to rotate, so as to adjust the distance between the top first roll device and the second roll device, so as to adapt to the self-adaptive adjustment of the belt steel coil with changing size in the process of uncoiling or winding, avoid the risk of belt steel falling off caused by the diameter of the steel coil being too large, and effectively improve the safety of the device in use;

[0018] 3. The anti-belt steel folding roll device of the design, in the process of belt steel winding or uncoiling, the bottom adopts "active + follow-up" control mode, cooperates with friction torque to realize that the belt steel is in tension state, and sets up auxiliary pressure roller at the top for further protection treatment, which can further tension and roll the belt steel. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 The whole three-dimensional structure front view of the anti-belt steel folding roll device is provided for the present application;

[0020] Figure 2 The whole three-dimensional structure schematic diagram of the anti-belt steel folding roll device is provided for the present application;

[0021] Figure 3 The whole three-dimensional structure side view of the anti-belt steel folding roll device is provided for the present application;

[0022] Figure 4 The partial structure schematic diagram of the anti-belt steel folding roll device is provided for the present application;

[0023] Figure 5 The first roll device three-dimensional structure schematic diagram of the anti-belt steel folding roll device is provided for the present application;

[0024] Figure 6 The internal structure sectional view of the anti-belt steel folding roll device is provided for the present application;

[0025] Figure 7 The encoder installation structure diagram of the anti-belt steel folding roll device is provided for the present application.

[0026] In the figure: 1, fixed base plate; 2, adjusting slide rail; 3, adjusting sliding block; 4, screw rod; 5, first servo motor; 6, roll holder support; 7, bearing seat; 8, self-aligning roller bearing; 9, first roll holder; 10, second roll holder; 11, inner spline sleeve; 12, outer spline shaft; 13, hydraulic motor; 14, flange sleeve; 15, encoder support; 16, encoder; 17, guide slide rail; 18, guide roller; 19, safety baffle; 20, electric slide rail; 21, slide base; 22, mounting bracket; 23, T-shaped fixing plate; 24, hydraulic telescopic rod; 25, rectangular frame; 26, first adjusting compression roller; 27, second adjusting compression roller; 28, first synchronous pulley; 29, synchronous belt; 30, second synchronous pulley; 31, second servo motor; 32, electric telescopic rod; 33, C-shaped mounting seat; 34, alignment top roller; 35, limiting jack; 36, limiting guide column. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, not all.

[0028] Embodiment 1, refer to Figures 1-7 A roll holder device for preventing strip steel from folding, comprising a fixed base plate 1, an adjusting slide rail 2 is fixedly installed at the top center of the fixed base plate 1 along the length direction, an adjusting sliding block 3 is slidingly inserted into the inner wall of the adjusting slide rail 2, a screw rod 4 is screwed at the middle part of the adjusting sliding block 3, a first servo motor 5 is connected to one end of the screw rod 4 through a shaft coupling, a roll holder support 6 is fixedly connected to the top of the adjusting sliding block 3 through bolts, bearing seats 7 are fixedly connected to the middle part of the fixed base plate 1 and the top of the roll holder support 6 through bolts, self-aligning roller bearings 8 are embedded in the inner walls of the four bearing seats 7, and first roll holders 9 and second roll holders 10 are rotatably installed in the inner walls of the self-aligning roller bearings 8, respectively;

[0029] The ends of the first roll holders 9 and the second roll holders 10 are connected with inner spline sleeves 11 through bolts, the ends of the inner spline sleeves 11 away from the first roll holders 9 and the second roll holders 10 are connected with outer spline shafts 12, one end of the outer spline shaft 12 is connected with the inner spline of a hydraulic motor 13, the hydraulic motor 13 is fixed with the bearing seat 7 through a flange sleeve 14, and a safety baffle 19 is fixedly connected to the top side of the roll holder support 6 through bolts;

[0030] The top of the fixed base plate 1 is provided with an electric sliding rail 20 in parallel along the length direction, and the inner wall of the electric sliding rail 20 is slidably connected with a sliding seat 21, the top of the sliding seat 21 is fixed with a mounting bracket 22 through bolts, and the top of the mounting bracket 22 is slidably inserted with a T-shaped fixing plate 23, the top of the T-shaped fixing plate 23 is connected with a hydraulic telescopic rod 24, and the two T-shaped fixing plates 23 are welded with a rectangular frame 25.

[0031] By adopting the control mode of "active + follow-up", the technical problems of synchronization difference existing in the synchronous control are effectively solved. In the process of unwinding or winding, the strip steel is in a tension state, effectively solving the problems of wrinkling of the strip steel in the unwinding process and scratches on the surface of the strip steel caused by synchronization difference. At the same time, the problems of wrinkling, scratches and loose coil of the strip steel in the winding process are solved, effectively improving the product quality and appearance quality.

[0032] The one side bearing seat 7 end of the second coil supporting roller 10 is provided with an encoder bracket 15, and the encoder bracket 15 is provided with an encoder 16 through screws.

[0033] The two sides of the adjusting sliding rail 2 are fixed with guide sliding rails 17 in parallel, and two groups of guide rollers 18 are fixedly installed on the bottom of the two sides of the coil supporting roller support 6, and the guide rollers 18 are rollingly connected in the inner wall of the guide sliding rail 17.

[0034] The same side outer wall of the first adjusting pressure roller 26 and the second adjusting pressure roller 27 is provided with a first synchronous pulley 28, and the outer wall of the first synchronous pulley 28 is engaged with a synchronous belt 29, the inner wall of the synchronous belt 29 is engaged with a second synchronous pulley 30, and the outer wall of one side of the second synchronous pulley 30 is connected with a second servo motor 31.

[0035] In the process of winding or unwinding the strip steel, the first servo motor 5 drives the screw rod 4 to rotate at the bottom, so as to adjust the distance between the first coil supporting roller 9 and the second coil supporting roller 10 at the top, so as to adaptively adjust the size of the strip steel coil changing in the process of unwinding or winding, avoid the risk of strip steel falling due to the diameter of the coil being too large, and effectively improve the safety of the device in use.

[0036] The bottom of the rectangular frame 25 is rotatably provided with a first adjusting pressure roller 26 and a second adjusting pressure roller 27 on both sides, and the rotating direction and rotating speed of the first adjusting pressure roller 26 and the second adjusting pressure roller 27 are the same.

[0037] When the anti-steel strip folding coil supporting roller device is used, first, the device is connected to an external power source for trial operation processing, and after normal operation, during the uncoiling process, according to the diameter of the steel coil to be uncoiled, the first servo motor 6 at the bottom drives the screw rod 4 to rotate, thereby adjusting the distance between the first coil supporting roller 9 and the second coil supporting roller 10 at the top, and when the appropriate size is adjusted, the steel coil is transported from the steel coil transport vehicle to the first coil supporting roller 9 and the second coil supporting roller 10, and during the uncoiling process, the first coil supporting roller 9 is the driving roller and the second coil supporting roller 10 is the driven roller, the steel coil rotates under the drive of the first coil supporting roller 9, and the second coil supporting roller 10 rotates under the drive of the steel coil, since the second coil supporting roller 10 bears the pressure of the steel coil, the second coil supporting roller 10 needs to overcome the friction torque at the bearing during the driven rotation, thereby forming tension on the steel strip between the first coil supporting roller 9 and the second coil supporting roller 10, so that the steel strip is in a tensioned state, and during the uncoiling process, the top uses the hydraulic telescopic rod 24 to drive the rectangular frame 25 to press down, and uses the first adjusting pressure roller 26 and the second adjusting pressure roller 27 to assist in pressing down the top of the steel coil, and uses the second servo motor 31 to drive the first adjusting pressure roller 26 and the second adjusting pressure roller 27 for auxiliary driving, and when the diameter of the steel coil becomes smaller during the uncoiling process, the first servo motor 5 is reversed to rotate, thereby reducing the distance between the first coil supporting roller 9 and the second coil supporting roller 10, so that the steel coil is always in a safe state.

[0038] Embodiment 2, refer to Figures 1-7 An anti-steel strip folding coil supporting roller device, comprising a fixed base plate 1, an adjusting slide rail 2 is fixedly installed on the top center of the fixed base plate 1 along the length direction, an adjusting slide block 3 is slidably inserted into the inner wall of the adjusting slide rail 2, a screw rod 4 is screwed on the middle part of the adjusting slide block 3, a first servo motor 5 is connected to one end of the screw rod 4 through a shaft coupling, a coil supporting roller support 6 is fixedly connected to the top of the adjusting slide block 3 through bolts, bearing seats 7 are fixedly connected to the middle part of the fixed base plate 1 and the top of the coil supporting roller support 6 through bolts, self-aligning roller bearings 8 are embedded in the inner walls of the four bearing seats 7, and first coil supporting rollers 9 and second coil supporting rollers 10 are rotatably installed in the inner walls of the self-aligning roller bearings 8, respectively;

[0039] The ends of the first coil supporting rollers 9 and the second coil supporting rollers 10 are connected to inner spline sleeves 11 through bolts, the ends of the inner spline sleeves 11 away from the first coil supporting rollers 9 and the second coil supporting rollers 10 are connected to outer spline shafts 12, one end of the outer spline shaft 12 is connected to the inner spline of a hydraulic motor 13, the hydraulic motor 13 is fixed between the bearing seat 7 through a flange sleeve 14, and a safety baffle 19 is fixedly connected to the top side of the coil supporting roller support 6 through bolts;

[0040] The top of the fixed base plate 1 is provided with an electric sliding rail 20 in parallel along the length direction, and the inner wall of the electric sliding rail 20 is slidably connected with a sliding seat 21, the top of the sliding seat 21 is fixed with a mounting bracket 22 through bolts, and the top of the mounting bracket 22 is slidably connected with a T-shaped fixing plate 23, the top of the T-shaped fixing plate 23 is connected with a hydraulic telescopic rod 24, and the two T-shaped fixing plates 23 are welded with a rectangular frame 25;

[0041] In the process of unwinding or winding the strip coil, the "active + follow-up" control mode is adopted at the bottom, and the friction torque is matched to realize that the strip is in a tension state, and an auxiliary press roller is arranged at the top for further protection treatment, so that the strip can be further tensioned and rolled;

[0042] The outer wall of the opposite side of the two mounting brackets 22 is provided with an electric telescopic rod 32, and the piston rod of the electric telescopic rod 32 is fixed with a C-shaped mounting seat 33, the inner wall of the C-shaped mounting seat 33 is rotatably installed with an alignment top roller 34, and the outer wall of the alignment top roller 34 is provided with a non-slip rubber pad, and the length size of the alignment top roller 34 is matched with the radius size of the strip coil;

[0043] The two sides of the C-shaped mounting seat 33 are welded with a limiting guide column 36, and the side of the mounting bracket 22 is provided with two limiting insertion holes 35, the limiting insertion hole 35 is matched with the limiting guide column 36 in size, and the limiting insertion hole 35 and the limiting guide column 36 are formed in plug-in cooperation;

[0044] The first adjusting press roller 26 and the second adjusting press roller 27 are located above the first coil supporting roller 9 and the second coil supporting roller 10, and the length distance between the first adjusting press roller 26 and the second coil supporting roller 10 is the same as the length distance between the second adjusting press roller 27 and the first coil supporting roller 9.

[0045] When the anti-steel strip folding coil supporting roller device is used, first, the device is connected to an external power source for trial operation processing, and after normal operation, during the uncoiling process, according to the diameter of the steel coil to be uncoiled, the first servo motor 6 at the bottom drives the screw rod 4 to rotate, thereby adjusting the distance between the first coil supporting roller 9 and the second coil supporting roller 10 at the top, and when the appropriate size is adjusted, the steel coil is transported from the steel coil transport vehicle to the first coil supporting roller 9 and the second coil supporting roller 10, and during the uncoiling process, the first coil supporting roller 9 is the driving roller and the second coil supporting roller 10 is the driven roller, the steel coil rotates under the drive of the first coil supporting roller 9, and the second coil supporting roller 10 rotates under the drive of the steel coil, since the second coil supporting roller 10 bears the pressure of the steel coil, the second coil supporting roller 10 needs to overcome the friction torque at the bearing during the driven rotation, thereby forming tension on the steel strip between the first coil supporting roller 9 and the second coil supporting roller 10, so that the steel strip is in a tensioned state, and during the uncoiling process, the hydraulic telescopic rod 24 at the top drives the rectangular frame 25 to press down, the first adjusting compression roller 26 and the second adjusting compression roller 27 assist in pressing down the top of the steel coil, and the first adjusting compression roller 26 and the second adjusting compression roller 27 are driven by the second servo motor 31, and when the diameter of the steel coil becomes smaller during the uncoiling process, the first servo motor 5 is reversed to rotate, thereby reducing the distance between the first coil supporting roller 9 and the second coil supporting roller 10, so that the steel coil is always in a safe state.

[0046] When the steel strip needs to be coiled, first, the first servo motor 6 at the bottom drives the screw rod 4 to rotate, thereby making the distance between the first coil supporting roller 9 and the second coil supporting roller 10 at the top reach the minimum state, and during the coiling process, the second coil supporting roller 10 is the driving roller and the first coil supporting roller 9 is the driven roller, the steel coil rotates under the drive of the second coil supporting roller 10, and the first coil supporting roller 9 rotates under the drive of the steel coil, since the first coil supporting roller 9 bears the pressure of the steel coil, the first coil supporting roller 9 needs to overcome the friction torque at the bearing during the driven rotation, thereby forming tension on the steel strip between the first coil supporting roller 9 and the second coil supporting roller 10, so that the steel strip is in a tensioned state, and during the coiling process, the hydraulic telescopic rod 24 at the top is adjusted to the maximum stroke, the first adjusting compression roller 26 and the second adjusting compression roller 27 press down the two sides of the top of the steel coil, and during the coiling process, as the diameter of the steel coil becomes larger, the hydraulic telescopic rod 24 gradually retracts to drive the first adjusting compression roller 26 and the second adjusting compression roller 27 to move upward, at the same time, the first servo motor 6 at the bottom drives the screw rod 4 to rotate, thereby increasing the distance between the first coil supporting roller 9 and the second coil supporting roller 10 and keeping a safe distance, which effectively solves the problems of folding, scratching and loose steel coil during the coiling process of the steel strip.

[0047] In the description of the present application, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0048] In addition, the terms "first", "second" are only for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined with "first", "second" can explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "multiple" is two or more, unless otherwise specifically limited.

[0049] The above description is only the preferred embodiment of the present application, but the protection scope of the present application is not limited thereto, and any person skilled in the art can make equivalent replacements or changes within the technical scope disclosed by the present application according to the technical solutions and inventive concepts of the present application, which should be covered within the protection scope of the present application.

Claims

1. A coiled strip anti-wrinkling cradle roller device comprising a fixed base plate (1), characterized in that, The top center of the fixed base plate (1) is fixedly installed with an adjusting slide rail (2) along the length direction, and the inner wall of the adjusting slide rail (2) is slidingly inserted with an adjusting sliding block (3), the middle part of the adjusting sliding block (3) is screwed with a lead screw (4), one end of the lead screw (4) is connected with a first servo motor (5) through a shaft coupling, the top of the adjusting sliding block (3) is fixedly provided with a roll supporting seat (6) through bolts, and the top of the roll supporting seat (6) and the middle part of the fixed base plate (1) are fixedly provided with bearing seats (7) through bolts, the inner wall of the four bearing seats (7) is embedded with a self-aligning roller bearing (8), and the inner wall of the self-aligning roller bearing (8) is rotatably provided with a first roll (9) and a second roll (10), respectively; The end of the first roll (9) and the second roll (10) is connected with an inner spline sleeve (11) through a bolt, and the end of the inner spline sleeve (11) away from the first roll (9) and the second roll (10) is connected with an outer spline shaft (12), one end of the outer spline shaft (12) is connected with a hydraulic motor (13) through an inner spline, the hydraulic motor (13) and the bearing seat (7) are fixed through a flange sleeve (14), and the top side of the roll supporting seat (6) is fixedly provided with a safety baffle (19) through bolts; The top of the fixed base plate (1) is fixedly provided with an electric slide rail (20) along the length direction, and the inner wall of the electric slide rail (20) is slidingly connected with a sliding seat (21), the top of the sliding seat (21) is fixedly provided with a mounting bracket (22) through bolts, and the top of the mounting bracket (22) is slidingly inserted with a T-shaped fixed plate (23), the top of the T-shaped fixed plate (23) is connected with a hydraulic telescopic rod (24), and the two T-shaped fixed plates (23) are welded with a rectangular frame (25).

2. A coil support roller device according to claim 1, wherein The end of the second roll (10) is connected with an encoder support (15), and the encoder support (15) is connected with an encoder (16) through a screw, and the encoder (16) is connected with the second roll (10) through a special shaft coupling.

3. The coil support roller assembly of claim 1 wherein, The two sides of the adjusting slide rail (2) are fixedly provided with guide slide rails (17) in parallel, and the bottom of the roll supporting seat (6) is fixedly provided with two groups of guide rollers (18), and the guide rollers (18) are rollingly connected in the inner wall of the guide slide rails (17).

4. The coil support roll device of claim 1 wherein, The bottom of the rectangular frame (25) is rotatably provided with a first adjusting pressure roller (26) and a second adjusting pressure roller (27), and the rotating direction and rotating speed of the first adjusting pressure roller (26) and the second adjusting pressure roller (27) are the same.

5. A coil support roller device according to claim 4, wherein The outer wall of the same side of the first adjusting pressure roller (26) and the second adjusting pressure roller (27) is provided with a first synchronous pulley (28), the outer wall of the first synchronous pulley (28) is engaged with a synchronous belt (29), the inner wall of the synchronous belt (29) is engaged with a second synchronous pulley (30), and the outer wall of one side of the second synchronous pulley (30) is connected with a second servo motor (31).

6. The coil support roller assembly of claim 1 wherein, Two said installation supports (22) opposite sides of outer wall are provided with electric telescopic rod (32) penetratingly, and the piston rod of electric telescopic rod (32) is fixed with C-shaped mounting seat (33), the inner wall of C-shaped mounting seat (33) is rotatably installed with alignment top roller (34), and the outer wall of alignment top roller (34) is provided with antiskid rubber pad, the length size of alignment top roller (34) is adapted to the radius size of strip steel roll.

7. A coil support roller device according to claim 6, wherein The two sides of C-shaped mounting seat (33) are welded with limiting guide column (36), and one side of installation support (22) is provided with two limiting insertion hole (35) penetratingly, the inner wall size of limiting insertion hole (35) is adapted to the size of limiting guide column (36), and limiting insertion hole (35) and limiting guide column (36) form plug-in fit.

8. The coil support roll device of claim 5 wherein, The first adjusting pressure roller (26) and the second adjusting pressure roller (27) are located above the first roll (9) and the second roll (10), and the length distance between the first adjusting pressure roller (26) and the second roll (10) and the length distance between the second adjusting pressure roller (27) and the first roll (9) are the same.

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