Plate and strip rolling process oriented efficient and stable current applying manipulator and method thereof

Abstract

A plate and strip rolling process oriented efficient and stable current applying manipulator is provided, which aims to effectively avoid potential safety hazards caused integral electrifying of the rack during normal current applying, can improve the defects that current loss is caused by a normal current applying way and the service life of the roller is shortened, and the difficulty in applying pulse current to plate strips while rolling plate strips with limited length dimensions at a higher temperature, and can realize stable loading of pulse current with limited dimension, and effectively act pulse current within a rolling region.

What is claimed is: 
     
         1 . A plate and strip rolling process oriented current applying manipulator, comprising: a rolling mill ( 1 ), a first rack ( 2 ) arranged at a charge side of the rolling mill ( 1 ), and a second rack ( 3 ) arranged at a discharge side of the rolling mill ( 1 ),
 wherein a plurality of ceramic rollers ( 4 ) for feeding are separately arranged on the first rack ( 2 ) and the second rack ( 3 ), and pulse current applying assemblies are arranged at two sides of each of the ceramic rollers ( 4 ); and   wherein a material thickness detecting mechanism is arranged above the ceramic rollers ( 4 ) on the first rack ( 2 ), and a pressing mechanism for flattening plates is arranged between the discharge side of the rolling mill ( 1 ) and the ceramic rollers ( 4 ).   
     
     
         2 . The plate and strip rolling process oriented current applying manipulator according to  claim 1 , wherein the pulse current applying assembly comprises flexible baffle plates ( 5 ) which are symmetrically arranged above the ceramic rollers ( 4 ), rollers ( 501 ) are rotatably connected on opposite side surfaces of two of the flexible baffle plates ( 5 ), pulse power sources are externally connected to the rollers ( 501 ), and bottoms of the flexible baffle plates ( 5 ) are connected to aligning clamping parts. 
     
     
         3 . The plate and strip rolling process oriented current applying manipulator according to  claim 2 , wherein each of the aligning clamping parts comprises first brackets ( 7 ) symmetrically arranged outside of end parts of the ceramic rollers ( 4 ), at least two slide supporting rods ( 703 ) are fixedly connected between two of the first brackets ( 7 ), first slide blocks ( 713 ) are slidably arranged on the slide supporting rods ( 703 , and the first slide locks ( 713 ) are fixedly connected to follow-up baffle plates ( 708 );
 wherein a first lead screw ( 701 ) and a second lead screw ( 702 ) are rotatably connected between the two first brackets ( 7 ), two lead screw caps are ( 707 ) separately arranged on the first lead screw ( 701 ) and the second lead screw ( 702 ); and the lead screw caps ( 707 ) and the slide blocks ( 713 ) are fixedly connected onto the follow-up baffle plates  708 );   wherein movable slide rails ( 711 ) are fixedly arranged above the slide blocks ( 713 ), second slide blocks ( 712 ) which are matched with the movable slide rails ( 711 ) are slidably arranged above the movable slide rails ( 711 ), and the flexible baffle plates ( 5 ) are fixedly connected to the second slide blocks ( 712 );   wherein driven plates ( 709 ) are arranged on upper parts of the follow-up baffle plates ( 708 ), and springs ( 710 ) are fixedly connected between the driven plates ( 709 ) and the flexible baffle plates ( 5 );   wherein end parts of the first lead screw ( 701 ) are coupled with first belt wheels ( 705 ), end parts of the second lead screw ( 702 ) are coupled with second belt wheels ( 706 ); and the first belt wheels ( 705 ) and the second belt wheels ( 706 ) are in transmission connection to first servo motors ( 704 ) through synchronous tooth-shaped belts.   
     
     
         4 . The plate and strip rolling process oriented current applying manipulator according to  claim 1 , wherein the material thickness detecting mechanism comprises a second bracket ( 6 ) fixedly arranged above the first rack ( 2 ) and a grid thickness gauge ( 601 ) which is fixedly connected to a middle part of the second bracket ( 6 ), and the grid thickness gauge is positioned above the ceramic rollers ( 4 ). 
     
     
         5 . The plate and strip rolling process oriented current applying manipulator according to  claim 1 , wherein the pressing mechanism comprises a third bracket ( 8 ) fixedly connected above the second rack ( 3 ), a middle part of the third bracket ( 8 ) is fixedly connected to a third servo motor ( 801 ); an output shaft of the third servo motor ( 801 ) is fixedly connected to a lead screw assembly; a lead screw of the lead screw assembly is fixedly connected to the output shaft of the third servo motor ( 801 ); a nut of the lead screw assembly is fixedly connected to a slide plate ( 808 ); guide rods ( 802 ) are fixedly connected above two ends of the slide plate ( 808 ); a pressure plate ( 804 ) is movably arranged below the slide plate ( 808 ); two ends of the pressure plate ( 804 ) are fixedly connected to slide rods ( 807 ); compensation springs ( 805 ) are arranged outside the slide rods ( 807 ); middle parts of the pressure plates ( 804 ) are rotatably connected to pressing wheels ( 806 ); a guide sleeve matched with the guide rod ( 802 ) is fixedly connected on the third bracket ( 8 ); and slide sleeves ( 803 ) matched with the slide rods ( 807 ) are fixedly connected on the slide plate ( 808 ). 
     
     
         6 . The plate and strip rolling process oriented current applying manipulator according to  claim 1 , wherein mounting plates ( 402 ) is fixedly connected above the first rack ( 2 ) and the second rack ( 3 ), and two ends of each of the ceramic rollers ( 4 ) are rotatably connected on the mounting plates ( 402 ); the two ends of each of the ceramic rollers ( 4 ) are coupled with synchronous belt wheels ( 403 ); a second servo motor ( 401 ) is fixedly connected above the first rack ( 2 ) and the second rack ( 3 ); and the second servo motor ( 401 ) is configured to drive the ceramic rollers ( 4 ) through synchronous tooth-shaped belts and the synchronous belt wheels ( 403 ). 
     
     
         7 . A using method of the plate and strip rolling process oriented current applying manipulator according to  claim 1 , comprising: applying pulse currents to the pulse current applying assemblies on the first rack ( 2 ) and the second rack ( 3 ). 
     
     
         8 . The using method of the plate and strip rolling process oriented current applying manipulator according to  claim 7 , wherein a positive pulse current is applied to two of the pulse current applying assemblies on any one of the first rack ( 2 ) and the second rack ( 3 ), and a negative pulse current is applied to two of the pulse current assemblies on the first rack ( 2 ) and the second rack ( 3 ) which are not applied with the positive pulse current. 
     
     
         9 . The using method of the plate and strip rolling process oriented current applying manipulator according to  claim 7 , wherein a positive pulse current is applied to the pulse current assemblies on the same sides of the first rack ( 2 ) and the second rack ( 3 ); and a negative pulse current is applied to the pulse current assemblies on the other same sides of the first rack ( 2 ) and the second rack ( 3 ). 
     
     
         10 . The using method of the plate and strip rolling process oriented current applying manipulator according to  claim 7 , wherein a positive pulse current is applied to the pulse current assembly on one side of the first rack ( 2 ), and a negative pulse current is applied to the pulse current assemblies respectively at different sides of the first rack ( 2 ) and the second rack ( 3 ).