Rolling mill roller table

FIELD: rolling equipment, namely transporting apparatuses, particularly roller table of rolling mill.

SUBSTANCE: roller table includes driven transporting rollers and lifting mechanism; lifting framework jointly mounted on struts and supporting transporting rollers; additional mechanism for lifting framework. Each mechanism for lifting framework is arranged in strut and it is in the form of sleeve, nut mounted inside said sleeve with possibility of motion and jointly connected through lug with framework; worm reduction gear joined with sleeve. In reduction gear and in sleeve there is opening in which screw is arranged. Said screw has cut splines in one end and in other end it has thread engaged with nut of sleeve. At least in one strut rotary crosspiece is jointly mounted. Lifting mechanism is mounted on said crosspiece.

EFFECT: enhanced operational efficiency of mill due to elimination of jamming movable links.

2 dwg

 

The invention relates to rolling production, and more specifically to devices for transporting and touches the roller rolling mill.

Known roller rolling mill described in the Federal Republic of Germany patent No. 3434420, CL 21 D 43/08, Appl. 19.09.84,, publ. 20.03.86,

It contains the transporting rollers, each of which is mounted on a separate support. These supports are connected to one another through a common frame. The rollers on the supports are height adjustable by hydraulic or pneumatic lifting mechanism.

The disadvantage of the roller mill is the difficulty fine tuning all of the rollers in a vertical plane that does not allow you to set the car strictly along the axis of rolling. This, in turn, may fail in the reliability of the rolling mill, as the product deviates from the axis of the car and not captured rolls of a rolling mill.

Another disadvantage of this roller conveyor is the complexity and high cost of adjusting the roller height using pneumatic or hydraulic cylinders. With the help of pneumatic cylinders simultaneously setting cannot be made. The pneumatic cylinders are only two positions - extreme. An intermediate position is excluded. And this is necessary when changing diameters of rolled products.

Known roller conveyors rolling mill the closest of tehnichecheskomu is robust, described in the ed. mon. The USSR №1330046, class B 65 G 13/12, Appl. 25.02.86,, publ. 15.08.87,

This conveyor includes established based on supports coorespondence the drive rollers. One of the pillars of each drive roller pivotally mounted on the base, and the other is installed with the possibility of vertical movement by means of the lifting mechanism.

A disadvantage of the known designs of roller mill is that the product deviates from the axis of the car and not captured rollers, and this may fail in the reliability of the rolling mill. This is due to the complexity of the exact configuration of all of the rollers in a vertical plane that does not allow you to set the car strictly along the axis of rolling.

Another disadvantage is that when changing the diameters of the car is lost, the axis of rolling, as it is necessary to lower the roller radius, and not the plane. Breaking the stability conditions gripping the workpiece rolls.

The present invention is to create a roller mill that can improve reliability, eliminating jamming of moving parts, and to ensure the supply of rental to the axis of rolling.

This object is achieved in that the roller rolling mill, containing driving the transporting rollers and the lifting mechanism, according to the invention with abien hinged to the uprights of the lifting frame, where the transporting rollers, and an additional lifting mechanism frame, and each lifting mechanism frame is rack and made in the form of glass inside it can move the nut pivotally connected through the eyelet to the frame, secured with a glass of worm gearbox, gearbox and the nozzle hole, which features a screw having at one end a slot cutting, and the other thread that interacts with a nut Cup, in addition, at least one of the racks hinged swivel beam on which is mounted a lifting mechanism.

This constructive design of roller mill will increase reliability, eliminating jamming of moving parts.

This is due to the fact that one of the drives hoist mounted on the rotary traverse, hinged, at least one of the racks, and also due to the swivel nut to the frame of the conveyor.

This solution will allow you to move in a vertical direction of a frame with rollers in the absence of complex synchronization of the two drives, lifts and eliminates the need to perfect the manufacturing of all the kinematic chains of mechanisms, which is practically not feasible.

To illustrate the invention the following is okrety example of carrying out the invention with reference to the accompanying drawings, on which:

1 shows a roller conveyor, General view;

figure 2 - the same, the section a-a in figure 1.

Roller mill consists of a lifting frame 1, the carrier transporting rollers 2 mounted on the uprights 3, 4 with possibility of vertical displacement and tilt, and mounted in these racks of the lifting mechanisms 5, 6, driven by the motor 7.

Each lifting mechanism 5, 6 made in the form of glass 8, located inside him with the ability to move the nut 9, is fixed with a glass 8 of the worm gear 10 and a screw 11 passing through the slot in the gearbox 10 and the glass 8.

The screw 11, fixed in the axial direction, has at one end a slot cutting, and the other thread that interacts with a nut 9 cups 8, pivotally connected through the eyelet 12 of the frame 1.

In addition, at least one of the racks 4 hinged swivel beam 13 on which is mounted a lifting mechanism 6.

To adjust the roller height when changing the diameter of the rolled products include actuators 7 lifting. Rotation through the worm gear 10 is transmitted fixed in the axial direction of the screws 11, which causes the nut 9 and pivotally related to the frame 1 of the conveyor to move vertically in its guide.

When possible ahead or Ottawan and one of the drives rise will be skewed.

This embodiment of the roller conveyor allows you to avoid typically the resulting jamming of moving parts due to the fact that one of the lifting mechanism 6 is mounted on the rotary beam 13, and through swivel nut 9 to the frame 1 of the conveyor. This ensures reliable operation of the conveyor.

The proposed roller mill compared with the known leads to increased reliability, eliminating jamming of moving parts, and ensure accurate filing rolled along the axis of rolling.

Roller mill drive containing the transporting rollers and the lifting mechanism, characterized in that it is equipped with a hinge mounted on the rack lifting frame, on which the transporting rollers, and an additional lifting mechanism frame, and each lifting mechanism frame is rack and made in the form of glass inside it can move the nut pivotally connected through the eyelet to the frame, secured with a glass of worm gearbox, gearbox and the nozzle hole, which features a screw having at one end a slot cut in the other thread that interacts with nut cups, in addition, at least one of the racks hinged rotary beam, on what toroi mounted lifting mechanism.



 

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