A cold-rolled strip steel uncoiler centering control device

Abstract

The application relates to a cold-rolled strip steel uncoiler centering control device, belonging to the technical field of uncoiler equipment, which comprises a machine body, a hollow shaft arranged on the machine body, a top plate movably arranged on the hollow shaft, a receiving roller arranged on the hollow shaft and used for receiving the cold-rolled steel strip, a receiving rod arranged at the center line of the receiving roller and located on the side of the receiving roller away from the ground, a receiving plate hinged to the receiving rod and used for receiving the cold-rolled steel strip, a hinge position of the receiving plate and the receiving rod being located at the center line of the receiving plate, and an adjusting device arranged on the receiving plate and used for adjusting the cold-rolled steel strip to the center line of the receiving plate so that the receiving plate is in a balanced state. The application has the effect of reducing the labor intensity of the operator.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of uncoiler equipment, in particular to a cold-rolled strip uncoiler centering control device. BACKGROUND

[0002] The uncoiler is a special equipment for leveling metal plates, which can be used for leveling steel plates and uneven plates, and can be configured to form an uncoiling, leveling and shearing production line and other plate product production lines. It is suitable for mechanical, vehicle, metal product household appliance, steel structure, decoration and other industries. The uncoiler is one of the important equipment in the welded pipe production line, which has two functions: one is to support the cold-rolled strip by expanding the inner hole of the cold-rolled strip; the other is to send the head of the steel strip into the straightening machine through rotation in cooperation with the straightening machine.

[0003] At present, the patent file with the authorization announcement number CN206997398U discloses an automatic uncoiler, which comprises a machine body base, a hydraulic cylinder, a side baffle, a supporting rod, a top plate and an uncoiling clamping device. The hydraulic cylinder is connected with the middle hollow shaft, the inner cavity diameter of the middle hollow shaft should be greater than the hydraulic rod diameter of the hydraulic cylinder, and the hydraulic cylinder can freely stretch and retract in the middle hollow shaft. The outer wall of the middle hollow shaft is uniformly provided with three long circular holes, the length of the long circular hole is greater than the stroke distance of the hydraulic cylinder. The outer upper side of the middle hollow shaft is provided with a connecting block, the thickness of the connecting block is less than the diameter of the long circular hole, and the connecting block is connected with the hydraulic cylinder rod through a connecting shaft. The supporting rod is connected with the connecting block through a supporting rod shaft. The surface of the top plate is pasted with hard rubber. The uncoiling clamping device is installed on the front side of the machine body. When the cold-rolled strip is uncoiled, the cold-rolled strip is sleeved on the center hollow shaft, and then the cold-rolled strip is lifted and fixed by the top plate, and then the center hollow shaft is driven to rotate by the stepping motor, so as to uncoil the cold-rolled strip, which is simple and convenient to operate.

[0004] According to the related technology in the above, the inventors believe that there are the following defects: after the cold-rolled strip is sleeved on the center hollow shaft, the operator needs to adjust the position of the cold-rolled strip, so that the cold-rolled strip is located in the middle of the center hollow shaft, so as to reduce the possibility of the side end face of the cold-rolled strip touching the subsequent equipment, which results in a large labor amount of the workers. SUMMARY

[0005] In order to reduce the labor intensity of the operator, the present application provides a cold-rolled strip uncoiler centering control device.

[0006] The cold-rolled strip uncoiler centering control device provided by the present application adopts the following technical scheme:

[0007] The application discloses a cold-rolled strip steel unwinding machine centering control device, which comprises a machine body, a hollow shaft arranged on the machine body, a top plate movably arranged on the hollow shaft, a receiving roller arranged on the hollow shaft and used for receiving the cold-rolled steel strip, a receiving rod arranged at the center line of the receiving roller and located on the side of the receiving roller away from the ground, a receiving plate hinged to the receiving rod and used for receiving the cold-rolled steel strip, wherein the hinge of the receiving plate and the receiving rod is located at the center line of the receiving plate, the rotating axis of the receiving plate is perpendicular to the length direction of the receiving roller, and the receiving plate is provided with an adjusting device used for adjusting the cold-rolled steel strip to the center line of the receiving plate so that the receiving plate is in a balanced state; an accommodating groove for accommodating the receiving plate is formed in the outer wall of the receiving roller; and an arc-shaped plate used for abutting against the inner circle of the cold-rolled steel strip is slidably arranged on the receiving roller.

[0008] When the cold-rolled steel strip is unwound, the cold-rolled steel strip is sleeved on the receiving roller, and the top plate is slid to abut against the inner wall of the receiving roller to fix the receiving roller; then the receiving rod is slid to lift the receiving plate, so that the bottom of the inner circle of the cold-rolled steel strip is close to the receiving roller, the cold-rolled steel strip is in an inclined state, and the receiving plate is also in the same inclined state; then the position of the cold-rolled steel strip is adjusted by the adjusting device, the state of the position adjustment process of the cold-rolled steel strip is fed back by the inclined state of the receiving plate, when the receiving plate is parallel to the length direction of the receiving roller, the cold-rolled steel strip is located in the middle of the receiving plate, the above-mentioned adjusting process reduces the labor of workers, and the accuracy of the centering of the cold-rolled steel strip is improved; when the cold-rolled steel strip is in the centering state, the receiving rod is slid to accommodate the receiving plate on the receiving roller and in the accommodating groove, then the arc-shaped plate is slid to abut against the inner circle of the cold-rolled steel strip, and the cold-rolled steel strip is fixed on the receiving roller, so as to facilitate the unwinding operation of the cold-rolled steel strip; after the receiving plate is accommodated in the accommodating groove, the weight distribution of the receiving plate to the receiving roller is re-adjusted, so that the possibility of the jumping of the receiving roller in the rotating process is reduced, and the unwinding efficiency of the unwinding machine is improved.

[0009] Optionally, the adjusting device comprises rollers rotatably arranged on the receiving plate, the rollers are arranged in two and symmetrically distributed on the receiving plate, the cold-rolled steel strip is received on the outer wall of the rollers, the rotating axis of the rollers is perpendicular to the length direction of the receiving plate, and the receiving plate is further provided with first motors respectively used for driving the rollers to rotate; the adjusting device further comprises an adjusting part used for starting the first motor located below to drive the rollers to rotate and drive the cold-rolled steel strip to slide towards the first motor located above when the receiving plate is inclined.

[0010] By adopting the technical scheme, when the position of the cold-rolled strip is adjusted, the receiving plate is in an inclined state, at this time, under the action of the adjusting piece, the first motor on the inclined side of the receiving plate is started, the first motor is started to drive the roller to rotate, the roller rotation drives the cold-rolled strip to slide towards the side where the receiving plate is upturned, when the center line of the cold-rolled strip passes through the center line of the receiving plate, the first motor is started again through the adjusting piece, and the position of the cold-rolled strip is adjusted by repeating the above steps, which is simple and convenient to operate.

[0011] Optionally, the adjusting piece comprises a first pressing switch arranged on the surface of the receiving plate close to the receiving roller, the first pressing switch is arranged in pairs and corresponds to the first motor one by one, the first pressing switch is electrically connected with the first motor, when the first pressing switch abuts against the receiving roller, the first motor is powered on to start, and when the first pressing switch is separated from the receiving roller, the first motor is powered off to stop.

[0012] By adopting the technical scheme, when the receiving plate drives the cold-rolled strip to slide, under the action of the gravity of the cold-rolled strip, the receiving plate rotates towards one side, the receiving plate is pressed on the first pressing switch to start the first motor corresponding thereto, and then the roller is driven to rotate to adjust the position of the cold-rolled strip, which is simple and convenient to operate; under the action of the pressing switch, the position of the cold-rolled strip is adjusted, a relatively automatic process is realized, and the labor of the workers is reduced.

[0013] Optionally, a plurality of balls are rotationally arranged on the surface of the receiving plate.

[0014] By adopting the technical scheme, the balls receive the cold-rolled strip, the roller drives the cold-rolled strip to slide along the receiving plate, and then the position of the cold-rolled strip is adjusted.

[0015] Optionally, a hinge shaft is rotationally arranged on the surface of the receiving plate close to the receiving roller, the receiving rod is rotationally connected with the hinge shaft, the receiving rod comprises two rotating rods rotationally arranged relative to the hinge shaft, the end portions of the two rotating rods away from the hinge shaft are slidingly arranged on the receiving roller, a driving block is slidingly arranged on the receiving roller, the driving block is arranged in two, the end portions of the two rotating rods abut against the driving block, and the receiving roller is further provided with a first driving piece for driving the driving block to slide to drive the rotating rod to rotate.

[0016] By adopting the technical scheme, when the receiving rod is driven to slide to drive the receiving plate to slide, the first driving member drives the driving block to slide, the driving block drives the end of the rotating rod to slide along the receiving roller, when the ends of the two rotating rods approach each other, the receiving plate slides towards the direction away from the receiving roller, when the ends of the two rotating rods are away from each other, the receiving plate slides towards the direction of the receiving roller, and the operation is simple and convenient; meanwhile, the two rotating rods receive the receiving plate, so that the receiving plate is more stable during the sliding process, the possibility of the receiving plate being inclined during the sliding process is reduced, and the centering effect of the cold-rolled steel strip is ensured.

[0017] Optionally, a mounting plate is slidably arranged in the receiving plate, the ball is rotatably arranged on the mounting plate, and a through hole for the rotation of the ball is formed in the receiving plate; the control device further comprises a second driving member for driving the mounting plate to slide when the receiving plate slides towards the receiving roller, so that the ball is separated from the cold-rolled steel strip.

[0018] By adopting the technical scheme, when the receiving plate slides towards the receiving roller, the second driving member drives the mounting plate to slide, the mounting plate drives the ball to slide, so that the ball is separated from the cold-rolled steel strip, the friction between the cold-rolled steel strip and the receiving roller is increased, the possibility of the cold-rolled steel strip sliding by accident when the receiving plate slides is reduced, and the centering effect of the cold-rolled steel strip is further ensured.

[0019] Optionally, the second driving member comprises a second motor arranged in the receiving plate, a screw rod is arranged on an output shaft of the second motor, and the mounting plate is threadedly connected to the screw rod; the second driving member further comprises a second press switch arranged in the receiving plate, the second press switch is connected to the second motor, a press block is slidably arranged in the receiving plate, when the press block slides and abuts against the second press switch, the second motor drives the screw rod to rotate, so that the mounting plate slides towards the direction away from the cold-rolled steel strip, and a pressing member for driving the press block to slide to press the second press switch is further arranged in the receiving plate.

[0020] By adopting the technical scheme, when the receiving plate slides towards the receiving roller, the press block is driven by the pressing member to slide towards the second press switch and press the second press switch, then the second motor is started, the second motor drives the screw rod to rotate, the screw rod drives the mounting plate to slide towards the direction away from the cold-rolled steel strip, so that the ball is separated from the cold-rolled steel strip, and the operation is simple and convenient; meanwhile, the mounting plate is fixed to the required position under the action of the screw rod.

[0021] Optionally, the pressing member comprises a driving wheel rotatably arranged at the end of the rotating rod, the driving wheel abuts against the receiving roller, the rotation axis of the driving wheel is perpendicular to the length direction of the receiving roller, the driving wheel is wound with a connecting rope, the connecting rope is fixedly connected to the pressing block through the receiving plate, when the driving wheel slides towards the two sides of the receiving plate, the pressing block is driven to slide towards the second pressing switch by the winding of the connecting rope; the pressing member further comprises an elastic member for driving the pressing block to separate from the second pressing switch when the driving wheel rotates to unwind the connecting rope.

[0022] By adopting the above technical scheme, after the limitation of the driving block to the end of the rotating rod is removed, the rotating rod is driven to rotate under the gravity of the cold-rolled strip, and then the driving wheel is driven to rotate, the connecting rope is wound by the driving wheel, and then the pressing block is driven to rotate towards the second pressing switch to press the second pressing switch, which is simple and convenient to operate; when the driving block drives the rotating rods to approach each other, the driving wheel unwinds the connecting rope to remove the pulling action on the pressing block, and under the action of the elastic member, the pressing block is driven to slide away from the second pressing switch, and at the same time, the connecting rope is in a taut state to facilitate the unwinding of the connecting rope by the driving wheel.

[0023] Optionally, the elastic member comprises a spring arranged in the receiving plate, one end of the spring is fixedly arranged on the receiving plate, and the other end is fixedly arranged on the pressing block.

[0024] By adopting the above technical scheme, when the connecting rope drives the pressing block to slide, the spring is pulled up and accumulates a certain potential energy, and the spring has the advantages of simple structure and convenient acquisition.

[0025] In summary, the present application has at least one of the following beneficial technical effects:

[0026] 1. When the cold-rolled strip is unwound, the cold-rolled strip is sleeved on the receiving roller, and then the top plate is slid to abut against the inner wall of the receiving roller to fix the receiving roller; then the receiving rod is slid to lift the receiving plate, so that the bottom of the inner circle of the cold-rolled strip approaches the receiving roller, the cold-rolled strip is in an inclined state, and the receiving plate is also in the same inclined state, then the position of the cold-rolled strip is adjusted by the adjusting device, the state of the position adjustment process of the cold-rolled strip is fed back by the inclined state of the receiving plate, when the receiving plate is parallel to the length direction of the receiving roller, the cold-rolled strip is in the middle of the receiving plate, the above adjustment process reduces the labor of the workers; at the same time, the accuracy of the centering of the cold-rolled strip is improved;

[0027] 2. When the cold-rolled strip is in the centering state, the sliding receiving rod is slid so that the receiving plate is received on the receiving roller and enters the accommodating groove, then the arc-shaped plate is slid so that the arc-shaped plate abuts against the inner ring of the cold-rolled strip, and the cold-rolled strip is fixed on the receiving roller, so as to facilitate the uncoiling operation of the cold-rolled strip; after the receiving plate is received in the accommodating groove, the weight distribution of the receiving plate on the receiving roller is re-adjusted, so that the possibility of the receiving roller jumping in the rotating process is reduced, and the uncoiling efficiency of the uncoiler is improved. BRIEF DESCRIPTION OF DRAWINGS

[0028] Figure 1 is a whole structure schematic diagram of a centering control device of a cold-rolled strip uncoiler according to an embodiment of the present application;

[0029] Figure 2 is an exploded view of a machine body and a receiving roller in a centering control device of a cold-rolled strip uncoiler according to an embodiment of the present application;

[0030] Figure 3 is a sectional view of a receiving roller in a centering control device of a cold-rolled strip uncoiler according to an embodiment of the present application;

[0031] Figure 4 is Figure 3 is an enlarged schematic diagram of part A in FIG. 6;

[0032] Figure 5 is Figure 3 is an enlarged schematic diagram of part B in FIG. 6;

[0033] Figure 6 is a sectional view of a receiving roller in a centering control device of a cold-rolled strip uncoiler according to an embodiment of the present application;

[0034] Figure 7 is Figure 6 is an enlarged schematic diagram of part C in FIG. 6.

[0035] Reference signs: 1, machine body; 2, hollow shaft; 3, top plate; 4, receiving roller;

[0036] 5, receiving rod; 51, rotating rod; 6, receiving plate; 7, adjusting device; 71, roller; 72, first pressing switch;

[0037] 8, accommodating groove; 9, arc-shaped plate; 10, hydraulic cylinder; 11, ball; 12, driving block; 13, driving motor; 14, bidirectional screw; 15, mounting plate; 16, through hole; 17, second motor; 18, screw rod; 19, second pressing switch; 20, pressing block; 21, driving wheel; 22, connecting rope; 23, spring. DETAILED DESCRIPTION

[0038] The application will be further described below in conjunction with the accompanying drawings. Figures 1-7 The application will be further described below in conjunction with the accompanying drawings.

[0039] The embodiment of the present application discloses a cold-rolled strip steel unwinding machine centering control device. Figure 1 and Figure 2 The cold-rolled strip steel unwinding machine centering control device comprises a machine body 1, a hollow shaft 2 arranged on the machine body 1, the hollow shaft 2 being rotationally arranged on the machine body 1, the rotation axis of the hollow shaft 2 being parallel to the ground, and a top plate 3 movably arranged on the hollow shaft 2, the top plate 3 being arc-shaped so as to be matched with the inner circle of the cold-rolled strip steel.

[0040] Referring to Figure 2 and Figure 3 In the embodiment of the present application, a receiving roller 4 for receiving the cold-rolled steel strip is arranged on the hollow shaft 2, the receiving roller 4 is coaxially arranged with the hollow shaft 2, further, the axis of the receiving roller 4 is collinear with the center line of the hollow shaft 2, a receiving rod 5 is arranged at the center line of the receiving roller 4, the receiving rod 5 is located at the side of the receiving roller 4 away from the ground, a receiving plate 6 for receiving the cold-rolled strip steel is hingedly arranged on the receiving rod 5, in the embodiment of the present application, the receiving plate 6 is arc-shaped and is convenient for supporting the cold-rolled strip steel, and the length of the receiving plate 6 is greater than the width of the cold-rolled strip steel, so that the receiving plate 6 is convenient for receiving the cold-rolled strip steel, the hinge of the receiving plate 6 and the receiving rod 5 is located at the center line of the receiving plate 6, the rotation axis of the receiving plate 6 is perpendicular to the length direction of the receiving roller 4, and an adjusting device 7 for adjusting the cold-rolled strip steel to the center line of the receiving plate 6 so that the receiving plate 6 is in a balanced state is arranged on the receiving plate 6, in the embodiment of the present application, the adjusting device 7 is used for transversely adjusting the position of the cold-rolled strip steel, so that the transverse center line of the cold-rolled strip steel is collinear with the center line of the receiving plate 6.

[0041] After the cold-rolled strip steel is sleeved on the receiving roller 4, the receiving rod 5 is slid so that the receiving rod 5 drives the receiving plate 6 to slide towards the direction away from the receiving roller 4, so as to jacking up the cold-rolled strip steel, when the receiving plate 6 is jacked up to a certain height, the transverse position of the cold-rolled strip steel on the receiving plate 6 is adjusted by the adjusting device 7, so that the transverse center line of the cold-rolled strip steel is collinear with the center line of the receiving plate 6, at this time, the state of the receiving plate 6 is that the receiving plate 6 is located in parallel to the hollow shaft 2, and then the cold-rolled strip steel is in a centered state, and the operation is simple and convenient.

[0042] Referring to Figure 2 and Figure 3 The outer wall of the receiving roller 4 is provided with a receiving groove 8 for accommodating the receiving plate 6, after the cold-rolled strip steel is adjusted to the centered state, the receiving rod 5 is slid to accommodate the receiving plate 6 in the receiving groove 8, and the cold-rolled strip steel is received on the receiving roller 4, further, in order to fix the cold-rolled strip steel on the receiving roller 4, an arc-shaped plate 9 for abutting against the inner circle of the cold-rolled strip steel is slidably arranged on the receiving roller 4, in the embodiment of the present application, the sliding direction of the arc-shaped plate 9 is parallel to the radius direction of the receiving roller 4, further, three arc-shaped plates 9 are uniformly and interval arranged on the peripheral wall of the receiving roller 4, so as to fix the cold-rolled strip steel on the axis of the receiving rod 5.

[0043] With reference to Figure 2 And Figure 3 In the embodiment of the present application, three hydraulic cylinders 10 are arranged on the receiving roller 4, the bodies of the three hydraulic cylinders 10 are located in the receiving roller 4, and the included angle between the three hydraulic cylinders 10 is 120°, further, the hydraulic cylinder 10 piston rod penetrates out of the receiving roller 4, the arc-shaped plate 9 is fixedly arranged on the hydraulic cylinder 10 piston rod, further, after the receiving roller 4 is sleeved on the hollow shaft 2, the hydraulic cylinder 10 is located between the adjacent top plates 3; the hydraulic cylinder 10 is started, the hydraulic cylinder 10 piston rod drives the arc-shaped plate 9 to slide, the arc-shaped plate 9 slides and abuts against the inner circle of the cold-rolled strip, and then the cold-rolled strip is fixed on the receiving roller 4, which is simple and convenient to operate.

[0044] With reference to Figure 3 And Figure 4 The adjusting device 7 comprises a roller 71 rotatably arranged on the receiving plate 6, the roller 71 is located on the surface of the receiving plate 6 away from the ground, the roller 71 is provided with two, the two rollers 71 are symmetrically distributed on the receiving plate 6, the cold-rolled strip is received on the outer wall of the roller 71, and the rotation axis of the roller 71 is perpendicular to the length direction of the receiving plate 6, and the receiving plate 6 is further provided with a first motor for driving the roller 71 to rotate;

[0045] With reference to Figure 3 And Figure 4 The adjusting device 7 further comprises an adjusting member for starting the first motor located below to drive the roller 71 to rotate and drive the cold-rolled strip to slide towards the first motor located above when the receiving plate 6 is inclined, the adjusting member comprises a first pressing switch 72 arranged on the surface of the receiving plate 6 close to the receiving roller 4, the first pressing switch 72 is provided with two and corresponds to the first motor one by one, the first pressing switch 72 is electrically connected with the first motor, the first pressing switch 72 is in abutment with the receiving roller 4, the first motor is powered on to start, and the first pressing switch 72 is separated from the receiving roller 4, the first motor is powered off to start and stop.

[0046] After the cold-rolled strip is sleeved on the receiving roller 4, the receiving plate 6 drives the cold-rolled strip to slide, at this time, the receiving plate 6 has the possibility of being inclined, the receiving plate 6 is pressed on the first pressing switch 72 when being inclined, and then the corresponding first motor is started, the first motor drives the roller 71 to rotate, the roller 71 rotates and drives the cold-rolled strip to slide towards the side that is upturned, and the above process is repeatedly operated to adjust the cold-rolled strip to the centered position, which is simple and convenient to operate.

[0047] With reference to Figure 4 In order to facilitate the sliding of the cold-rolled strip on the receiving plate 6, a plurality of ball bearings 11 are rotatably arranged on the surface of the receiving plate 6, and the plurality of ball bearings 11 are uniformly arranged on the receiving plate 6; further, the ball bearings 11 are located on both sides of the roller 71.

[0048] With reference to Figure 4In the embodiment of the present application, the receiving plate 6 is rotatably provided with a hinge shaft on the surface close to the receiving roller 4, the rotation axis of the hinge shaft is perpendicular to the length direction of the receiving plate 6, the receiving rod 5 is rotatably connected with the hinge shaft, the receiving rod 5 includes two rotating rods 51 rotatable relative to the hinge shaft, the ends of the two rotating rods 51 away from the hinge shaft are slidably arranged on the receiving roller 4, the cross section of the rotating rod 51 is rectangular, so that the end of the rotating rod 51 is received on the receiving roller 4, thereby reducing the possibility of the rotating rod 51 falling down, the driving blocks 12 are slidably arranged on the receiving roller 4, the two driving blocks 12 are arranged, the ends of the two rotating rods 51 abut against the driving blocks 12, and the first driving member for driving the driving blocks 12 to slide and drive the rotating rod 51 to rotate is further arranged on the receiving roller 4;

[0049] With reference to Figure 3 and Figure 4 , the first driving member includes the driving motor 13 arranged on the receiving roller 4, the length direction of the output shaft of the driving motor 13 is parallel to the length direction of the receiving roller 4, the bidirectional screw rod 14 is coaxially arranged on the output shaft of the driving motor 13, and the two driving blocks 12 are threadedly connected to the threaded portion of the bidirectional screw rod 14; the driving motor 13 is started, the driving motor 13 drives the bidirectional screw rod 14 to rotate, the bidirectional screw rod 14 drives the two driving blocks 12 to slide towards each other or away from each other, thereby driving the ends of the rotating rods 51 to slide, so as to drive the receiving plate 6 to slide, and the operation is simple and convenient.

[0050] With reference to Figure 3 and Figure 5 , in order to reduce the possibility that the cold-rolled steel strip is inadvertently slid during the sliding process of the receiving plate 6, the mounting plate 15 is slidably arranged in the receiving plate 6, the mounting plate 15 slides towards the bottom of the receiving plate 6, the ball 11 is rotatably arranged on the mounting plate 15, the through hole 16 for the rotation of the ball 11 is arranged on the receiving plate 6, and the control device further includes the second driving member for driving the mounting plate 15 to slide when the receiving plate 6 slides towards the receiving roller 4, so that the ball 11 is separated from the cold-rolled steel strip;

[0051] With reference to Figure 3 and Figure 5 , the second driving member includes the second motor 17 arranged in the receiving plate 6, the length direction of the output shaft of the second motor 17 is parallel to the sliding direction of the mounting plate 15, the screw rod 18 is arranged on the output shaft of the second motor 17, and the mounting plate 15 is threadedly connected to the screw rod 18;

[0052] In combination with Figure 6 and Figure 7The second driving member further comprises a second press switch 19 arranged in the receiving plate 6, the second press switch 19 is connected with the second motor 17, a press block 20 is slidingly arranged in the receiving plate 6, the sliding direction of the press block 20 is parallel to the length direction of the output shaft of the second motor 17, when the press block 20 slides and abuts against the second press switch 19, the second motor 17 drives the screw rod 18 to rotate, so that the mounting plate 15 slides towards the direction away from the cold-rolled strip, the receiving plate 6 further comprises a pressing member for driving the press block 20 to slide to press the second press switch 19;

[0053] In combination Figure 6 And Figure 7 The pressing member comprises a driving wheel 21 rotatably arranged at the end of the rotating rod 51, the driving wheel 21 abuts against the receiving roller 4, a notch for the mounting seat of the driving wheel 21 to abut against is arranged on the driving block 12, the rotating axis of the driving wheel 21 is perpendicular to the length direction of the receiving roller 4, further, the driving wheel 21 is wound with a connecting rope 22, the connecting rope 22 is fixedly connected with the press block 20 through the receiving plate 6, when the driving wheel 21 slides towards the two sides of the receiving plate 6, the connecting rope 22 is wound to drive the press block 20 to slide towards the second press switch 19.

[0054] When the receiving plate 6 slides towards the receiving roller 4, the rotating rod 51 drives the driving wheel 21 to rotate, the driving wheel 21 rotates to wind the connecting rope 22, the connecting rope 22 drives the press block 20 to slide towards the second press switch 19 and press the second press switch 19, so as to start the second motor 17, the second motor 17 drives the screw rod 18 to rotate, the screw rod 18 rotates to drive the mounting plate 15 to slide, and then the ball 11 is separated from the cold-rolled strip, so that the possibility of the cold-rolled strip sliding by accident is reduced.

[0055] In combination Figure 6 And Figure 7 In order to reduce the influence of the connecting rope 22 on the driving wheel 21, the pressing member further comprises an elastic member for driving the press block 20 to separate from the second press switch 19 when the driving wheel 21 rotates to unwind the connecting rope 22, the elastic member comprises a spring 23 arranged in the receiving plate 6, one end of the spring 23 is fixedly arranged on the receiving plate 6, and the other end is fixedly arranged on the press block 20; when the rotating rod 51 drives the receiving plate 6 to slide away from the receiving roller 4, the driving wheel 21 unwinds the connecting rope 22, at the same time, the spring 23 is in the process of restoring the original length, and then drives the press block 20 to tighten the connecting rope, so that the influence of the connecting rope 22 on the driving wheel 21 is reduced.

[0056] The implementation principle of the centering control device of the cold-rolled strip unwinding machine is as follows:

[0057] After the receiving roller 4 is sleeved on the hollow shaft 2, the cold-rolled strip is sleeved on the receiving roller 4;

[0058] The driving motor 13 is started again, the driving motor 13 drives the bidirectional screw rod 14 to rotate, the bidirectional screw rod 14 drives the two driving blocks 12 to move towards each other, and then drives the end portions of the rotating rods 51 to move towards each other, and then drives the receiving plate 6 to slide towards the direction away from the receiving roller 4, so as to lift the cold-rolled steel strip;

[0059] At this time, the receiving plate 6 is in an inclined state, the end portion of the receiving plate 6 which inclines downward presses the first pressing switch 72, so as to start the first motor, drive the roller 71 to rotate, and drive the cold-rolled steel strip to slide towards the direction of being upturned;

[0060] When the cold-rolled steel strip is in the centered state, the driving motor 13 is started to drive the driving blocks 12 to move away from each other, drive the receiving plate 6 to slide towards the receiving roller 4; at the same time, the rotating rod 51 drives the driving wheel 21 to rotate, the driving wheel 21 rotates to wind the connecting rope 22, the connecting rope 22 drives the pressing block 20 to slide towards the second pressing switch 19 and press the second pressing switch 19, so as to start the second motor 17, the second motor 17 drives the screw rod 18 to rotate, the screw rod 18 rotates to drive the mounting plate 15 to slide, and then the ball 11 is separated from the cold-rolled steel strip, so as to reduce the possibility that the cold-rolled steel strip is slid inadvertently;

[0061] When the receiving plate 6 is accommodated in the accommodating groove 8, the hydraulic cylinder 10 is started, the piston rod of the hydraulic cylinder 10 drives the arc-shaped plate 9 to slide and abut against the inner ring of the cold-rolled steel strip, so as to complete the fixation of the cold-rolled steel strip.

[0062] The above are the preferred embodiments of the present application, and are not used to limit the protection scope of the present application, so that: any equivalent changes made according to the structure, shape, principle of the present application should be covered in the protection scope of the present application.

Claims

1. A centering control device for a cold-rolled strip steel uncoiler, comprising a machine body (1), wherein a hollow shaft (2) is provided on the machine body (1), and a top plate (3) is movably provided on the hollow shaft (2), characterized in that: The hollow shaft (2) is provided with a receiving roller (4) for receiving the cold-rolled steel strip, the receiving roller (4) is located at the axis of the hollow shaft (2), a receiving rod (5) is arranged at the center line of the receiving roller (4), the receiving rod (5) is located on the side of the receiving roller (4) away from the ground, a receiving plate (6) for receiving the cold-rolled steel strip is hinged to the receiving rod (5), the hinge of the receiving plate (6) and the receiving rod (5) is located at the center line of the receiving plate (6), the rotating axis of the receiving plate (6) is perpendicular to the length direction of the receiving roller (4), an adjusting device (7) is arranged on the receiving plate (6) for adjusting the cold-rolled steel strip to the center line of the receiving plate (6) so that the receiving plate (6) is in a balanced state; a receiving groove (8) for accommodating the receiving plate (6) is formed in the outer wall of the receiving roller (4); an arc-shaped plate (9) for abutting the inner ring of the cold-rolled steel strip is slidingly arranged on the receiving roller (4). The adjusting device (7) comprises a roller (71) rotatably arranged on the receiving plate (6), the roller (71) is provided with two rollers (71) which are symmetrically distributed on the receiving plate (6), the cold-rolled steel strip is received on the outer wall of the roller (71), the rotating axis of the roller (71) is perpendicular to the length direction of the receiving plate (6), and a first motor is further arranged in the receiving plate (6) for driving the rotation of the roller (71); the adjusting device (7) further comprises an adjusting member for starting the first motor located below to drive the roller (71) to rotate and drive the cold-rolled steel strip to slide towards the first motor located above when the receiving plate (6) is inclined. The adjusting member comprises a first pressing switch (72) arranged on the surface of the receiving plate (6) close to the receiving roller (4), the first pressing switch (72) is provided with two first pressing switches (72) corresponding to the first motor, the first pressing switch (72) is electrically connected with the first motor, the first motor is powered on when the first pressing switch (72) abuts against the receiving roller (4), and the first motor is powered off when the first pressing switch (72) is separated from the receiving roller (4).

2. A strip mill unwinding centering control device according to claim 1, characterized in that: A plurality of rolling balls (11) are rotatably arranged on the surface of the receiving plate (6).

3. A strip mill unwinding centering control device according to claim 2, characterized in that: A hinge shaft is rotatably arranged on the surface of the receiving plate (6) close to the receiving roller (4), the receiving rod (5) is rotatably connected with the hinge shaft, the receiving rod (5) comprises two rotating rods (51) rotatable relative to the hinge shaft, the ends of the two rotating rods (51) away from the hinge shaft are slidingly arranged on the receiving roller (4), a driving block (12) is slidingly arranged on the receiving roller (4), the driving block (12) is provided with two driving blocks (12), the ends of the two rotating rods (51) abut against the driving block (12), and a first driving member is further arranged on the receiving roller (4) for driving the driving block (12) to slide and drive the rotating rod (51) to rotate.

4. A strip mill unwinding centering control device according to claim 3, characterized in that: The mounting plate (15) is slidably arranged in the receiving plate (6), the ball (11) is rotatably arranged on the mounting plate (15), a through hole (16) for the rotation of the ball (11) is arranged on the receiving plate (6), and the control device further comprises a second driving member for driving the mounting plate (15) to slide when the receiving plate (6) slides towards the receiving roller (4) so that the ball (11) is separated from the cold-rolled steel strip.

5. A strip mill unwinding centering control device according to claim 4, characterized in that: The second driving member comprises a second motor (17) arranged in the receiving plate (6), a screw rod (18) is arranged on the output shaft of the second motor (17), and the mounting plate (15) is threadedly connected to the screw rod (18); the second driving member further comprises a second press switch (19) arranged in the receiving plate (6), the second press switch (19) is connected to the second motor (17), a press block (20) is slidably arranged in the receiving plate (6), and when the press block (20) slides and abuts against the second press switch (19), the second motor (17) drives the screw rod (18) to rotate, so that the mounting plate (15) slides in a direction away from the cold-rolled steel strip, and a pressing member for driving the press block (20) to slide to press the second press switch (19) is further arranged in the receiving plate (6).

6. A strip mill unwinding centering control device according to claim 5, characterized in that: The pressing member comprises a driving wheel (21) rotatably arranged at the end of a rotating rod (51), the driving wheel (21) abuts against the receiving roller (4), the rotation axis of the driving wheel (21) is perpendicular to the length direction of the receiving roller (4), a connecting rope (22) is wound on the driving wheel (21), the connecting rope (22) passes through the receiving plate (6) and is fixedly connected to the press block (20), when the driving wheel (21) slides towards both sides of the receiving plate (6), the connecting rope (22) is wound to drive the press block (20) to slide towards the second press switch (19), and the pressing member further comprises an elastic member for driving the press block (20) to separate from the second press switch (19) when the driving wheel (21) rotates to unwind the connecting rope (22).

7. A strip mill unwinding centering control device according to claim 6, characterized in that: The elastic member comprises a spring (23) arranged in the receiving plate (6), one end of the spring (23) is fixedly arranged on the receiving plate (6), and the other end is fixedly arranged on the press block (20).

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