CN202123108U

CN202123108U - Axial regulating device of mill and roller

Info

Publication number: CN202123108U
Application number: CN 201120159264
Authority: CN
Inventors: 娄霆; 熊化平
Original assignee: Hefei Baisheng Science and Technology Development Co Ltd
Current assignee: Hefei Baisheng Science and Technology Development Co Ltd
Priority date: 2011-05-18
Filing date: 2011-05-18
Publication date: 2012-01-25
Anticipated expiration: 2021-05-18

Abstract

The utility model discloses an axial regulating device of a mill and a roller, which is used for steel rolling equipment. A main bearing pedestal of the roller is arranged into a guide rail which is opened on an upper edge of a vertical post of the mill along the length direction of the vertical post; a main shaft neck part of the roller is matched with a main bearing and is positioned in the main bearing pedestal; a secondary bearing is arranged at a secondary shaft neck part on the roller and positioned at the outer end of the main shaft neck; an outer ring of the secondary bearing is positioned in a cavity of an axial regulating sleeve; the outer ring of the axial regulating sleeve is provided with teeth and a worm to form a turbine worm mechanism; outer screw threads are arranged at the side of the teeth on the outer ring of the axial regulating sleeve; the outer screw threads and inner screw threads arranged on the inner ring of the regulating positioning ring form feed screw nut fit; the regulating positioning ring is fixedly connected with the main bearing pedestal; the outer end of the worm extends to the outside of the regulating positioning ring and is connected with an output shaft of a hydraulic motor or a servo motor; and a controller is used for outputting a control signal to drive the hydraulic motor or the servo motor to rotate. The device is convenient to achieve online real-time regulation; moreover, the regulating quantity is exact and reliable.

Description

A kind of axial-adjustment unit of rolling mill roll

Technical field

The utility model relates to steel rolling equipment, specifically is exactly the axial adjustment of rolling mill roll.

Background technology

The existing bibliographical information that relates to the axial adjustment aspect of rolling mill roll in the prior art; Wherein to be called " built-in roll axial-adjustment unit " Chinese patent document (CN2452636Y) be exactly a kind of concrete scheme of this area to name; External screw thread body 9,10 wherein in the screw thread pair and the gear 3 in the worm tooth wheel set also outer ring of clamping thrust bearing 4 that is connected as a single entity; The inner ring of thrust bearing 4 links to each other with the axle journal of roll 5, and the worm screw in the worm tooth wheel set is provided with exposes joint 13, during adjusting; Artificial rotation exposes joint 13; External screw thread body 9,10 rotations in the front and back screw thread pair that rotation of worm tooth wheel set and drive and gear 3 fuse, because internal and external threads body the 6, the 8th is fixed, the outer ring that also moves axially and promote thrust bearing 4 during 9,1 rotation of external screw thread body produces equidirectional moving axially; Move axially thereby drive roll 5, realize that the axial displacement of roll is regulated.It is that manual work exposes joint 13 realizations through rotation that technique scheme is implemented to regulate, so adjusting must be carried out under the milling train stopped status usually, can't realize online adjusting; When whether the size of regulated quantity suitably need start shooting ordinary production again rolling stock is measured, can be verified that afterwards whether regulated quantity is suitable, so just had a strong impact on adjusting efficient and accuracy.

The utility model content

The purpose of the utility model provides a kind of online real-time regulated and regulated quantity axial-adjustment unit of rolling mill roll accurately and reliably of being convenient to realize.

For realizing above-mentioned utility model purpose; The utility model has adopted following technical scheme: a kind of axial-adjustment unit of rolling mill roll; It is characterized in that: the main bearing seat of roll is arranged in the guide rail of offering along the strut length direction on the upright column of rolling mill; The trunnion position of roll cooperates with base bearing and is positioned at main bearing seat; The countershaft neck place that is positioned at the trunnion outer end on the roll is provided with supplementary bearing, and the outer ring of supplementary bearing is arranged in the mantle cavity of axial adjustment cover, and axial adjustment cover outer ring is provided with tooth and worm screw constitutes turbine and worm mechanism; The internal thread that is provided with on the side of the tooth on the axial adjustment cover outer ring is provided with external screw thread and regulates the locating ring inner ring constitutes the feed screw nut and cooperates; Regulate locating ring and main bearing seat and be connected, the outer end of worm screw extends to the outside of adjusting locating ring and links to each other with the output shaft of hydraulic motor or servomotor, and controller output control signal drives hydraulic motor or servomotor rotates.

Adopt technique scheme; Be exactly that the power source that will realize the axial adjustment of rolling mill roll adopts hydraulic motor or servomotor; Owing to adopted hydraulic motor or servomotor that power is provided; Angle and rotating speed that hydraulic motor or servomotor rotate all can be realized accurate control, and the axial adjustment displacement of rolling mill roll can realize accurate control like this, and the meaning of this axial adjustment is; Just can implement the axial adjustment of roll in the mill milling process, and could implement to regulate after need not to wait for shutdown.

Description of drawings

Fig. 1 is the structural representation of the utility model;

Fig. 2 is the left view of Fig. 1;

Fig. 3 is the A-A cutaway view among Fig. 1;

Fig. 4 is the partial enlarged drawing among Fig. 1.

The specific embodiment

The line bar adds man-hour; The notch of offering on the rolling mill roll that dependence is fitted to each other that cooperatively interacts; If notch misplaces in other words each other notch position each other not fully over against, quality problems such as cross sectional shape and dimensional discrepancy will appear in institute's rolled products, will roll out waste product when serious.In view of this, need carry out a pair roller that is fitted to each other axial adjustment with the notch that cooperatively interacts guaranteeing to offer on the roll each other over against.Usually a roll is carried out axial restraint, another roll carries out axial adjustment, and this is a kind of axial adjustment scheme comparatively simple, that realize easily.

Fig. 1,2 has provided the structural representation of the axial-adjustment unit of rolling mill roll; Wherein the main bearing seat 20 of roll 10 is arranged at and is provided with on the upright column of rolling mill 30 in the guide rail of offering along column 30 length directions; Main bearing seat 20 can move in the guide rail that column 30 length directions are offered like this; This is for the adjusting of the axle core spacing of the axial basic fixed position of the main bearing seat 20 that guarantees roll 10 and the roll shop building that is fitted to each other and fixing; The trunnion position of roll 10 cooperates with base bearing 40 and is positioned at main bearing seat 20; To realize the basic support of roll 10; The countershaft neck place that is positioned at the trunnion outer end on the roll 10 is provided with supplementary bearing 50, and the outer ring of supplementary bearing 50 is arranged in the mantle cavity of axial adjustment cover 60, and axial adjustment is overlapped tooth 61 and worm screw 70 formation worm-and-wheel gears are set on 60 outer rings; The side that axial adjustment is overlapped the tooth 61 of 60 outer rings is provided with external screw thread and regulates the internal thread that is provided with on locating ring 80 inner rings and constitutes the feed screw nut and cooperate; Regulate locating ring 80 and be connected with main bearing seat 20, the outer end of worm screw 70 extends to the outside of adjusting locating ring 80 and links to each other with the output shaft of hydraulic motor or servomotor 110, and controller output control signal drives hydraulic motor or servomotor 110 rotates.

Adopt hydraulic motor or servomotor 110 to be that as the effect of actuating unit the source that drives signal can be provided by controller; As long as having exported, controller drives the adjustment signal; Hydraulic motor or servomotor 110 will be in time, response accurately, and especially the accuracy of its adjustment and reliability all can be guaranteed, owing to steel its periphery in the operation of rolling is a prohibited security zone; Operating personnel can't realize online adjustment in the operation of rolling; The scheme that the utility model provides is to be implemented in bobbin to the possibility that provides of regulating, and has significantly improved the control and the rolling accuracy of steel rolling equipment, and the reduction that is not merely percent defective provides assembling to ensure; And can find in time that product is whether overproof and can entangle the difference adjustment rapidly, practice thrift the plenty of time in addition and alleviated working strength of workers.

In conjunction with Fig. 1,3,4; The countershaft neck place of described roll 10 is provided with the bearing gland 90 of shell-like, and the inner end of bearing gland 90 is pressed on the outside end face of base bearing 40 inner rings, and the inner end of described adjusting locating ring 80 protrudes out on the outside end face of base bearing 40 outer rings; In conjunction with Fig. 1; In the outside of base bearing 40 is to be positioned at the left side among Fig. 1, implements the location by regulating 80 pairs of base bearings of locating ring 40, and its inboard is that the right side is located by end ring or ring-type end cap among Fig. 1.

The outer wall of bearing gland 90 cooperates with the inner ring of supplementary bearing 50 is sheathed; The outer end of supplementary bearing 50 and bearing gland 90 is provided with roller end gland 100; Flange mortgage on the roller end gland 100 is on the inner ring of supplementary bearing 50; The inner ring boss 62 of axial adjustment cover 60 is pressed on the outer ring inner side end of supplementary bearing 50 it is implemented the location, and the outer end of axial adjustment cover 60 is connected with location end cap 63, and location end cap 63 is pressed on the outside end face of outer ring of supplementary bearing 50 it is implemented the location; The outer ring that has so just guaranteed supplementary bearing 50 moves axially with axial adjustment cover 60, with the axial adjustment of realization supplementary bearing 50 and then the axial adjustment of drive and realization roll.

In conjunction with Fig. 1,2; The main bearing seat that has a roll 10 at least 20 in a pair roller that corresponds to each other is defined in the channled rail offered on the upright column of rolling mill 30 31 and moves adjustablely along the direction that channled rail 31 limits, and it is vertical with the length direction of roll 10 that channled rail 31 limits directions.In order to realize the axial adjustment of roll; Need carry out axial restraint in the main bearing seat 20 at least one; Can certainly implement fixing to the main bearing seat 20 at same roll two ends simultaneously; This is the basis and the datum mark of axial adjustment, will be fixedly mounted on this main bearing seat 20 as the hydraulic motor or the servomotor of power source simultaneously; In addition, being provided with of channled rail 31 can satisfy main bearing seat 20 perpendicular to roll mandrel to direction regulate, and then realize two rolls roll between the adjusting of distance.

Described axial-adjustment unit also comprises the displacement transducer that is used to detect roll 10 axial locations, and the displacement signal of displacement transducer collection is delivered to controller.The sensor here can be the relevant caliper of the applicant in first to file; Promptly measure the equipment of the size and dimension of relevant line bar; It also can be the measuring instrument that is used for side amount roll location that the roll place is provided with; The scale error of line bar that so just can be through measuring mill milling need to confirm the axial adjustment amount of adjusting; Or the position deviation of directly measuring the resulting roll of roll location confirms that the axial adjustment amount of need regulating, controller receive to handle it and send control signal after the information of relevant roll location and drives hydraulic motor or servomotor action, and then drives and realize the axial adjustment of roll.

Described adjusting locating ring 80 comprises inboard location internal end cover 81, the worm screw locating ring 82 at middle part and the location outer end cap 83 in the outside; For the ease of assembling and reasonable Arrangement parts; Regulate locating ring 80 and be designed to syllogic; Regulate locating ring 80 in other words and be designed to the assembly type that three parts constitute, in addition, outer section of described bearing gland 90 be cannula-like and with the countershaft neck socket of roll 10; Section be horn-like and cooperates with the trunnion of roll 10 and the taper transition face between the countershaft neck in the described bearing gland 90, the outer face applying of the inner end of roller end gland 100 and described bearing gland 90.Roller end gland 100 just is connected as a whole with bearing gland 90 and roll 10 like this; Simultaneously owing to have step to have roller end gland 100 spacing on the middle part outer wall on the bearing gland 90 as the limiting section of the inboard end face of supplementary bearing 50 inner rings and the outside end face of supplementary bearing 50 inner rings; Like this; Roller end gland 100, bearing gland 90, roll 10 and supplementary bearing 50 inner rings axially just are being linked as one, when supplementary bearing 50 outer rings receive the axial thrust of axial adjustment cover 60, simultaneously because supplementary bearing 50 is selected thrust bearing for use; Then axial thrust is delivered on the roll 10 via supplementary bearing 50, bearing gland 90 again; Because the horn-like conical surface of section cooperates with the trunnion of roll 10 and the taper transition face between the countershaft neck in the bearing gland 90, and reliable and uniform axial adjustment thrust is provided, realize the axial adjustment of roll 10.

Claims

1. the axial-adjustment unit of a rolling mill roll; It is characterized in that: in the guide rail that the upper edge that the main bearing seat (20) of roll (10) is arranged at upright column of rolling mill (30) is offered along column (30) length direction; The trunnion position of roll (10) cooperates with base bearing (40) and is positioned at main bearing seat (20); The countershaft neck place that is positioned at the trunnion outer end on the roll (10) is provided with supplementary bearing (50); The outer ring of supplementary bearing (50) is arranged in the mantle cavity of axial adjustment cover (60); Axial adjustment cover (60) outer ring is provided with tooth (61) and constitutes turbine and worm mechanism with worm screw (70), and the internal thread that is provided with on the side of the tooth (61) on axial adjustment cover (60) outer ring is provided with external screw thread and regulates locating ring (80) inner ring constitutes the feed screw nut and cooperates, and regulates locating ring (80) and is connected with main bearing seat (20); The outer end of worm screw (70) extends to be regulated the outside of locating ring (80) and links to each other controller output control signal driving hydraulic motor or servomotor rotation with the output shaft of hydraulic motor or servomotor.

2. the axial-adjustment unit of rolling mill roll according to claim 1; It is characterized in that: the countershaft neck place of described roll (10) is provided with the bearing gland (90) of shell-like; The inner end of bearing gland (90) is pressed on the outside end face of base bearing (40) inner ring, and the inner end of described adjusting locating ring (80) protrudes out on the outside end face of base bearing (40) outer ring; The sheathed cooperation of outer ring of the outer wall of bearing gland (90) and supplementary bearing (50); The outer end of supplementary bearing (50) and bearing gland (90) is provided with roller end gland (100); Flange mortgage on the roller end gland (100) is on the inner ring of supplementary bearing (50), and the inner ring boss (62) of axial adjustment cover (60) is pressed on the outer ring of supplementary bearing (50).

3. the axial-adjustment unit of rolling mill roll according to claim 1; It is characterized in that: the main bearing seat (20) that has a roll (10) at least in a pair roller that corresponds to each other is defined in the channled rail (31) offered on the upright column of rolling mill (30) and moves adjustablely along the direction that channled rail (31) limits, and it is vertical with the length direction of roll (10) that channled rail (31) limits direction.

4. the axial-adjustment unit of rolling mill roll according to claim 1, it is characterized in that: described axial-adjustment unit also comprises the displacement transducer that is used to detect roll (10) axial location, and the displacement signal of displacement transducer collection is delivered to controller.

5. the axial-adjustment unit of rolling mill roll according to claim 2; It is characterized in that: described adjusting locating ring (80) comprises inboard location internal end cover (81), the worm screw locating ring (82) at middle part and the location outer end cap (83) in the outside; Outer section of described bearing gland (90) be cannula-like and with the countershaft neck socket of roll (10); Section be horn-like and cooperates with the trunnion of roll (10) and the taper transition face between the countershaft neck in the described bearing gland (90), the outer face applying of the inner end of roller end gland (100) and described bearing gland (90).