CN211587970U - Self-balancing flexible roller shifting device - Google Patents

Abstract

The utility model provides a self-balancing flexible roller shifting device, wherein a roller shifting cylinder is connected with a support through a pin shaft and a joint bearing, and the roller shifting cylinders on the two sides of an inlet and an outlet drive a middle roller system and a roller shifting beam to move axially relative to a rolling mill frame, so that the axial shifting of a middle roller is realized; the roll shifting cylinder is flexibly connected with the frame and the connecting plate by adopting spherical hinge ear rings; displacement sensors are respectively arranged at the tail parts of the two roller shifting cylinders, and the displacement sensor at one side participates in program control; the other side is followed; the original hydraulic pipeline is additionally provided with a shutter and a throttle valve, the hydraulic pipeline is additionally arranged to connect rod cavities of the roll shifting cylinders on two sides together, and the two roll shifting cylinders are controlled by a single-side servo valve and one servo valve. The utility model discloses can solve shut down and the equipment trouble that the roller device both sides displacement out of tolerance caused scurrying, avoid scurrying the damage of roller jar, extension equipment life improves production efficiency and lumber recovery.

Description

Self-balancing flexible roller shifting device

Technical Field

The utility model belongs to steel rolling mechanical equipment field especially relates to a flexible drunkenness roller device of self-balancing.

Background

A certain cold rolling plant combined unit 1 and 5 is provided with a six-roller mill, and an intermediate roller can axially move so as to improve the plate shape of a steel plate. Due to the fact that the roll shifting device is unreasonable in design structure, the phenomenon that the displacement values of the roll shifting cylinders on the two sides are out of tolerance and alarm frequently occurs, machine set shutdown, deformation of a roll shifting frame and damage faults of the roll shifting cylinders are caused, machine set shutdown faults and shutdown waste products are caused, and improvement of the machine set yield and the operation rate is restricted.

Disclosure of Invention

The utility model provides a can solve the shut down and the equipment trouble that current drunkenness device both sides displacement out of tolerance caused, improve the flexible drunkenness roller device of self-balancing of production efficiency and lumber recovery.

Therefore, the utility model discloses the technical solution who takes does:

a self-balancing flexible roller shifting device comprises a roller shifting cylinder, a middle roller system, supports, a rolling mill frame, a connecting plate, a clamping device, a cross beam, a roller shifting beam, a hydraulic pipeline and a servo valve, wherein the two supports with U-shaped plates are fixed on the rolling mill frame through bolts; the clamping device fixes the intermediate roll system, the roll shifting device and the roll shifting beam together, and the roll shifting cylinders on the two sides of the inlet and the outlet extend out or retract simultaneously to drive the intermediate roll system and the roll shifting beam to move axially relative to the rolling mill frame so as to realize the axial shifting of the intermediate roll; the support is rigidly fixed on the frame, and the support and the roller shifting cylinder plug are flexibly connected with the support through a joint bearing and a penetrating pin; the waist shaft of the roller shifting cylinder is flexibly connected with the connecting plate through the base and the bushing; displacement sensors are respectively arranged at the tail parts of the two roll shifting cylinders, and the displacement sensor at one side detects the axial shifting amount of the middle roll to participate in program control; the other side is followed, so that the displacement out-of-tolerance alarm shutdown caused by the participation of the displacement sensors on the two sides in control is avoided;

the original hydraulic pipeline is additionally provided with a shutter and a throttle valve, the hydraulic pipeline is added to connect rod cavities of the roll shifting cylinders at two sides together, and the rod cavities are controlled by a single-side servo valve, and the other side is reserved; two roll shifting cylinders are controlled by a servo valve, and the synchronization of the roll shifting cylinders on two sides is achieved through load balance.

The utility model has the advantages that:

the utility model discloses fundamentally has solved the shut down and the equipment trouble that current drunkenness device both sides displacement out of tolerance caused, has effectively avoided the damage of drunkenness roller frame deformation and drunkenness roller jar, extension equipment life has reduced accident loss and maintenance work load, improves production efficiency and lumber recovery.

Drawings

FIG. 1 is a schematic structural view of a self-balancing flexible roll shifting device;

fig. 2 is a sectional view a-a of fig. 1.

In the figure: the roll shifting device comprises a roll shifting beam 1, an intermediate roll system 2, a rolling mill stand 3, a roll shifting cylinder 4, a displacement sensor 5, a connecting plate 6, a cross beam 7, a clamping device 8, a base 9, a roll shifting cylinder waist shaft 10, a bush 11, a support 12, a joint bearing 13, a through pin 14, a clamping plate 15 and a roll shifting cylinder plug 16.

Detailed Description

It can be seen from the attached drawing, the utility model discloses flexible roller device of scurrying of self-balancing is at original roller beam 1 of scurrying, middle roll system 2, rolling mill frame 3, scurrying roller cylinder 4, displacement sensor 5, connecting plate 6, crossbeam 7, clamping device 8, base 9, scurrying roller cylinder waist axle 10, bush 11, support 12, joint bearing 13, wear round pin 14, cardboard 15, scurrying roller cylinder plug 16, on the basis of hydraulic pressure pipeline and servovalve, through connecting piece and connected mode and the hydraulic control mode that changes between each component part, in order to solve the shut down and the equipment trouble that current scurrying roller device both sides displacement discrepancy caused, avoid scurrying the damage of roller frame deformation and scurrying roller cylinder 4.

Two supports 12 with U-shaped plates are fixed on a rolling mill frame 3 through bolts, a roller shifting cylinder 4 is connected with a base 9 through a through pin 14 and a joint bearing 13, a bushing 11 is sleeved outside a roller shifting cylinder waist shaft 10, the bushing 11 is embedded on the base 9, the base 9 is connected with a connecting plate 6 through bolts, and the connecting plate 6 is connected with a clamping device and a cross beam 7 through bolts and is connected with a middle roller shifting beam 1 through a wedge key; the clamping device fixes the intermediate roll system 2, the roll shifting device and the roll shifting beam 1 together, and the roll shifting cylinders 4 at the two sides of the inlet and the outlet extend out or retract simultaneously to drive the intermediate roll system 2 and the roll shifting beam 1 to move axially relative to the rolling mill frame 3, so that the axial shifting of the intermediate roll is realized; the support 12 is rigidly fixed on the rolling mill frame 3, and the support 12 and the roller shifting cylinder plug 16 are flexibly connected with the support 12 through a joint bearing 13 and a penetrating pin 14; the roller shifting cylinder waist shaft 10 is flexibly connected with the connecting plate 6 through the base 9 and the bush 11, and the roller shifting device is allowed to deform and swing in actual work due to the flexible connection of the two parts. The tail parts of the two roll shifting cylinders 4 are respectively provided with a displacement sensor 5, and the displacement sensor 5 at one side detects the axial shifting amount of the middle roll to participate in program control; the other side is followed, and the displacement out-of-tolerance alarm shutdown caused by the participation of the displacement sensors 5 on the two sides in control is avoided.

Meanwhile, a shutter and a throttle valve are additionally arranged on an original hydraulic pipeline, a hydraulic pipeline is additionally arranged to connect rod cavities of the roll shifting cylinders on two sides together and is controlled by a single-side servo valve, and the other side is reserved; two roll shifting cylinders are controlled by a servo valve, and the synchronization of the roll shifting cylinders on two sides is achieved through load balance.

Claims (1)

1. A self-balancing flexible roll shifting device comprises roll shifting cylinders, a middle roll system, supports, a rolling mill frame, a connecting plate, a middle roll system, a clamping device, a cross beam, a roll shifting beam, a hydraulic pipeline and a servo valve, and is characterized in that the two supports with U-shaped plates are fixed on the rolling mill frame through bolts, the roll shifting cylinders are connected with the supports through pin shafts and joint bearings, the side surfaces of the roll shifting cylinders are connected with the connecting plate through bolts, the connecting plate is connected with the clamping device and the cross beam through bolts, and meanwhile, the connecting plate is connected with the middle roll shifting beam through a wedge key; the clamping device fixes the intermediate roll system, the roll shifting device and the roll shifting beam together, and the roll shifting cylinders on the two sides of the inlet and the outlet extend out or retract simultaneously to drive the intermediate roll system and the roll shifting beam to move axially relative to the rolling mill frame so as to realize the axial shifting of the intermediate roll; the roll shifting cylinder is flexibly connected with the frame and the connecting plate by adopting spherical hinge ear rings; displacement sensors are respectively arranged at the tail parts of the two roll shifting cylinders, and the displacement sensor at one side detects the axial shifting amount of the middle roll to participate in program control; the other side is followed, so that the displacement out-of-tolerance alarm shutdown caused by the participation of the displacement sensors on the two sides in control is avoided;

the original hydraulic pipeline is additionally provided with a shutter and a throttle valve, the hydraulic pipeline is added to connect rod cavities of the roll shifting cylinders at two sides together, and the rod cavities are controlled by a single-side servo valve, and the other side is reserved; two roll shifting cylinders are controlled by a servo valve, and the synchronization of the roll shifting cylinders on two sides is achieved through load balance.

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