CN219233518U

CN219233518U - Online thickness regulating device of rolling mill

Info

Publication number: CN219233518U
Application number: CN202321010312.1U
Authority: CN
Inventors: 刘龙辉; 张建法; 李�瑞; 贾伟; 刘蛟龙; 王聪
Original assignee: Baoding Golden Sunlight Power Equipment Technology Co ltd
Current assignee: Baoding Golden Sunlight Power Equipment Technology Co ltd
Priority date: 2023-04-28
Filing date: 2023-04-28
Publication date: 2023-06-23
Anticipated expiration: 2033-04-28

Abstract

The utility model discloses an online thickness regulating device of a rolling mill, wherein an upper slideway and a lower slideway are respectively fixed on the upper end of a roller mounting seat and an upper roller bearing seat; the upper slide way sliding surface is a horizontal plane, and the lower slide way sliding surface is an inclined plane which is close to the side of the servo motor and is high on the other side; a movable slide block mechanism comprising a slide block, an upper and a lower rollaway nest body and rollers is slidably arranged between the upper and the lower slideways; the upper roller path body is uniformly provided with a plurality of rings of roller path grooves I, and the lower roller path body is provided with a plurality of rings of inclined roller path grooves II with the same inclination angle as that of the upper sliding surface of the lower sliding path; the upper end surface of the roller in the raceway groove I is contacted with the upper sliding surface of the upper slide way, and the lower end surface of the roller in the raceway groove II is contacted with the upper sliding surface of the lower slide way; the sliding block is fixed between the upper and lower rollaway nest bodies, and the nut is embedded and fixed at one end of the sliding block. The utility model has the advantages of small friction resistance among the mutually moving parts, flexible and free movement, long service life of the parts, uniform thickness of the lead belt, low rejection rate and high production efficiency.

Description

Online thickness regulating device of rolling mill

Technical Field

The utility model belongs to the technical field of lead strip rolling mill manufacturing, and relates to an online thickness adjusting device of a rolling mill.

Background

The rolling system is a main component of the lead strip rolling mill, the gap between the upper roller and the lower roller is the thickness of the rolled lead strip, and the online thickness adjusting device can meet the thickness requirement of the rolled lead strip by adjusting the gap between the upper roller and the lower roller. An adjusting slide block backing plate of the existing online thickness adjusting device is fixed on a lower roll bearing block supporting frame, and a lower adjusting slide block is fixed on an upper roll bearing block. The self-made screw driven by the servo motor drives the upper adjusting slide block to move left and right along the lower adjusting slide block so as to squeeze the upper roller bearing seat to move up and down, thereby adjusting the gap between the upper roller and the lower roller and achieving the purpose of adjusting the thickness of the rolled lead belt. In the actual operation process, the structure has the following problems: 1. for processing reasons, the gap between the screw and the upper adjustment slide cannot be eliminated. The screw rod can produce the phenomenon that lead tape thickness does not change when the reverse fine setting of first time owing to the existence of clearance when reverse motion, and the lead tape thickness of continuous reverse fine setting changes suddenly, also can produce foretell phenomenon when the screw rod is finely set to same direction sometimes, causes the finished product lead tape to take place the skew owing to the both sides uneven thickness, leads to production line putty shut down and produces a large amount of waste products, and production efficiency is low. 2. The upper and lower adjusting slide blocks are in sliding fit, the adjusting slide block base plate is in sliding fit with the upper adjusting slide block, the friction resistance is relatively high, the parts are rapidly worn, the service life is short, and the energy consumption is high.

Disclosure of Invention

The utility model aims to solve the problems in the prior art and provide an online thickness adjusting device for a rolling mill, which has the advantages of small friction resistance among parts which move mutually in the thickness adjusting process, more flexible and free movement, long service life of the parts, low energy consumption, uniform thickness of lead strips, low rejection rate and high production efficiency.

In order to achieve the above object, the technical solution of the present utility model is: an online thickness regulating device of a rolling mill comprises an upper slideway, a lower slideway, a movable sliding block mechanism, a screw rod, a screw nut matched with the screw rod for use and a servo motor with a speed reducer; the upper end of the upper slideway is fixed at the upper end of the roller mounting seat, and the lower end of the lower slideway is fixed on the upper roller bearing seat; the lower sliding surface of the upper slide way is a horizontal plane, and the upper sliding surface of the lower slide way is an inclined plane with one side higher and the other side lower close to the servo motor with the speed reducer; the movable slide block mechanism is slidably arranged between the upper slide way and the lower slide way;

the movable sliding block mechanism comprises a sliding block, an upper rolling path body, a lower rolling path body and a roller; the upper roller path body is uniformly provided with a plurality of rings of roller path grooves I, and the lower roller path body is provided with a plurality of rings of inclined roller path grooves II with the same inclination angle as that of the upper sliding surface of the lower sliding path; the roller way groove I and the roller way groove II are filled with rollers; the upper end surface of the roller in the roller way groove I is flush with the lower sliding surface of the upper slide way and is contacted with the lower sliding surface of the upper slide way, and the upper end surface of the upper roller way body is not contacted with the lower sliding surface of the upper slide way; the lower end surface of the roller in the raceway groove II is flush, the inclined angle of the plane is the same as the inclined angle of the upper sliding surface of the glide slope, and the roller contacts with the upper sliding surface of the glide slope; the lower end surface of the lower raceway body is not contacted with the upper sliding surface of the lower slideway; the sliding block is fixed between the upper and lower roller path bodies, the screw nut is embedded and fixed at one end of the sliding block, and the screw rod is rigidly connected with the servo motor with the speed reducer.

Further preferably, the screw is a ball screw to which a preload force is applied.

Further preferably, the inclination angle of the plane of the upper sliding surface of the glide slope and the lower end surface of the roller in the raceway groove II relative to the horizontal plane is 1.5-2.5 degrees. Preferably the angle of inclination is 2.

When the rolling mill works, the two sets of rolling mill on-line thickness adjusting devices are symmetrically arranged in two roller mounting seats of the rolling mill. The upper end of the upper slideway of each set of device is fixed at the upper end of the roller mounting seat, and the lower end of the lower slideway is fixed on the upper roller bearing seat. The servo motor with the speed reducer drives the screw rod to rotate and drives the movable sliding block mechanism to move left and right, so that the upper roller bearing seat is extruded to move up and down, the gap between the upper roller and the lower roller is adjusted, and the purpose of adjusting the thickness of the lead belt is achieved. The gap between the upper roller bearing seat and the lower roller bearing seat is reduced by adjusting the moving slide block mechanism to move towards the side of the servo motor with the speed reducer, so that the upper roller bearing seat moves downwards to compress the spring between the upper roller bearing seat and the lower roller bearing seat; the gap between the upper roller and the lower roller is increased by adjusting the moving slide block mechanism to move to the side of the servo motor far away from the belt speed reducer, so that the spring rebounds to support the upper roller bearing seat.

Compared with the prior art, the utility model has the following beneficial effects: 1. the roller is arranged between the movable slide block mechanism and the upper slide way and between the movable slide block mechanism and the lower slide way, sliding friction is changed into rolling friction, friction resistance is greatly reduced, the movable slide block mechanism moves more flexibly and freely, the service lives of the movable slide block mechanism, the upper slide way, the lower slide way and other parts are prolonged, and energy consumption is reduced. 2. The slider is connected with the servo motor of taking the speed reducer through adopting lead screw and nut, has especially adopted ball screw and the nut connection of having applyed pretightning force, has eliminated the gap between lead screw and the nut, servo motor action, ball screw follows the rotation, and the nut is then in time followed along rectilinear movement, has avoided leading to the nut response hysteresis that the gap between lead screw and the nut leads to, makes lead tape both sides uneven thickness and take place the skew, leads to the production line putty to shut down and produces the emergence of the phenomenon of a large amount of waste products, and lead tape thickness is even, and the rejection rate is low, and production efficiency is high. The utility model is also suitable for the online thickness adjusting device of rolling devices of other metals such as aluminum and the like, and has wide application range.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a cross-sectional view of AA of FIG. 1;

FIG. 3 is a cross-sectional view of BB of FIG. 1;

FIG. 4 is a schematic perspective view of the upper track body of the present utility model;

FIG. 5 is a schematic perspective view of the body of the upper raceway body of the present utility model;

FIG. 6 is a schematic perspective view of the left or right block of the upper raceway body in the present utility model;

FIG. 7 is a schematic perspective view of a slider according to the present utility model;

FIG. 8 is a schematic perspective view of the installation of the present utility model on a rolling mill;

fig. 9 is a front view of the installation of the present utility model on a rolling mill.

Detailed Description

The utility model is further described below with reference to the drawings and specific embodiments.

As shown in fig. 1 to 9, the present embodiment includes an upper slide 2, a lower slide 8, a moving slide mechanism, a screw, a nut 9 used in cooperation with the screw, and a servo motor 1 with a speed reducer. Preferably, the ball screw 10 with the pretightening force is adopted as the ball screw 10, the gap between the ball screw 10 and the screw 9 is eliminated, the servo motor 1 acts, the ball screw 10 rotates along with the rotation, the screw 9 moves along the straight line in time, and the phenomenon that the thickness of two sides of the lead belt is uneven and is deviated due to the response lag of the screw caused by the gap between the screw and the screw, so that the production line is stopped and a large amount of waste products are generated is avoided. The upper end of the upper slideway 2 is fixed at the upper end of the roller mounting seat 20 through a screw, and the lower end of the lower slideway 8 is fixed on the upper roller bearing seat 12 through a screw. A plurality of springs 13 are installed between the upper roll chock 12 and the lower roll chock 19. The sliding surface of the upper slide way 2 is a horizontal plane, the sliding surface of the lower slide way 8 is an inclined plane with one side higher and the other side lower near the servo motor 1 with a speed reducer, and the movable slide block mechanism is slidably arranged between the upper slide way 2 and the lower slide way 8. In this way, when the moving slide block mechanism moves, the lower slideway 8 is extruded to move, so that the upper roll chock 12 is driven to move downwards or is supported under the action of the spring 13.

The movable slide block mechanism comprises a slide block 5, an upper raceway body 4, a lower raceway body 7 and rollers 3. The upper raceway body 4 is evenly provided with 3 circles (2 circles, 4 circles and the like can be arranged according to the requirement), the lower raceway body 7 is provided with 3 circles (2 circles, 4 circles and the like can be arranged according to the requirement) of inclined raceway grooves II 18 with the same inclination angle as the inclination angle of the upper sliding surface of the lower sliding rail 8. The upper end surface of the roller 3 in the raceway groove I17 is flush and contacts with the sliding surface of the upper slideway 2, and the upper end surface of the upper raceway body 4 does not contact with the sliding surface of the upper slideway 2. The lower end surface of the roller 3 in the raceway groove ii 18 is flush and the inclined angle of the plane is the same as the inclined angle of the upper slide surface of the lower slide 8, and contacts with the upper slide surface of the lower slide 8. The lower end surface of the lower raceway body 7 is not in contact with the upper slide surface of the lower slide way 8. The sliding block 5 is fixed between the upper raceway body 4 and the lower raceway body 7 through screws, a mounting hole is formed in the side of the servo motor 1 with the speed reducer, a nut 9 is embedded into the mounting hole of the sliding block 5 and is fixed in the mounting hole through screws, and a ball screw 10 with pretightening force is rigidly connected with the servo motor 1 with the speed reducer. For convenience of manufacture, the upper raceway body 4 is divided into a body 41, a left block 42, a right block 43 and four bar blocks 44; the two ends of the body 41 are in semicircular transition, and the upper end face and the lower end face are respectively provided with four mounting slots 411; the upper and lower end surfaces of the slide block 5 are respectively and uniformly provided with an upper strip-shaped groove 51 and a lower strip-shaped groove 52 which correspond to each other; the lower ends of the four bar blocks 44 are inserted into the mounting slots 411 at the upper end of the body 41 and fixed by screws; the upper end of the sliding block 5 is inserted into the mounting slot 411 at the lower end of the body 41 and is fixed by a screw; the opposite surfaces of the left block 42 and the right block 43 are respectively provided with a mounting semicircular groove 421 and three roller grooves 422 of the body 41; the left block 42 and the right block 43 are fastened and fixed on the left and right ends of the body 41 by screws; the left end of the bar block 44 and the upper end of the left end of the slide block 5 are propped against the left block 42, and the right end of the bar block 44 and the upper end of the right end of the slide block 5 are propped against the right block 43; the upper ends of the left block 42, the right block 43, the body 41, the four bar blocks 44, and the slider 5 enclose a raceway groove i 17. The lower raceway body 7 is divided into a body I, a left block I, a right block I and four strip blocks I; two ends of the body I are in semicircular transition, and four mounting grooves I are respectively formed in the upper end face and the lower end face; the upper ends of the four bar blocks I are inserted into the mounting groove I at the lower end of the body I and are fixed by screws; the lower end of the sliding block 5 is inserted into a mounting groove I at the upper end of the body I and is fixed by a screw; the opposite surfaces of the left block I and the right block I are respectively provided with a mounting semicircular groove I and three roller grooves I of the body I; the left block I and the right block I are buckled and fixed on the left end and the right end of the body I by screws; the left end of the strip block I and the lower end of the left end of the sliding block 5 are propped against the left block I, and the right end of the strip block I and the lower end of the right end of the sliding block 5 are propped against the right block I; the lower ends of the left block I, the right block I, the body I, the four bar blocks I and the sliding block 5 enclose a raceway groove II 18. Preferably, the upper sliding surface of the glide slope 8 and the plane of the lower end surface of the roller 3 in the raceway groove ii 18 are inclined at an angle of 1.5 to 2.5 ° with respect to the horizontal plane. Preferably the angle of inclination is 2.

In operation, the two sets of rolling mill on-line thickness adjusting devices are symmetrically arranged in the two roller mounting seats 20 of the rolling mill. The upper end of the upper slideway 2 of each set of device is fixed at the upper end of the roller mounting seat 20, and the lower end of the lower slideway 8 is fixed on the upper roller bearing seat 12 through screws. The servo motor 1 with the speed reducer drives the ball screw 10 to rotate, and the nut 9 matched with the ball screw 10 moves left and right, so as to drive the movable slide block mechanism to move left and right. The moving slide mechanism moves toward the servo motor 1 side with a speed reducer, the moving slide mechanism presses the upper roll chock 12 to move downward, the distance between the upper roll chock 12 and the lower roll chock 19 becomes small (the lower roll chock 19 is stationary), the spring 13 is compressed, the gap between the upper roll 15 and the lower roll 16 becomes small, and the lead strip rolled between the upper roll 15 and the lower roll 16 becomes thin. The movable slider mechanism moves to the side of the servo motor 1 away from the belt speed reducer, the movable slider mechanism no longer applies pressure to the upper roll chock 12, the spring 13 rebounds to hold the upper roll chock 12, the distance between the upper roll chock 12 and the lower roll chock 19 becomes large, the spring 13 is relaxed, the gap between the upper and

lower rolls

15 and 16 becomes large, and the rolled lead belt between the upper roll 15 and the lower roll 16 becomes thick.

There are, of course, many other embodiments of the utility model that will be apparent to those skilled in the art from consideration of this disclosure without departing from the spirit and nature of the utility model, and that will fall within the scope of the claims.

Claims

1. An online thickness regulating device of a rolling mill is characterized in that: the device comprises an upper slideway, a lower slideway, a movable slide block mechanism, a screw rod, a screw nut matched with the screw rod for use and a servo motor with a speed reducer; the upper end of the upper slideway is fixed at the upper end of the roller mounting seat, and the lower end of the lower slideway is fixed on the upper roller bearing seat; the lower sliding surface of the upper slide way is a horizontal plane, and the upper sliding surface of the lower slide way is an inclined plane with one side higher and the other side lower close to the servo motor with the speed reducer; the movable slide block mechanism is slidably arranged between the upper slide way and the lower slide way;

2. The rolling mill on-line thickness regulating device according to claim 1, wherein: the inclination angle of the plane of the upper sliding surface of the lower sliding way and the lower end surface of the roller in the raceway groove II relative to the horizontal plane is 1.5-2.5 degrees.

3. The rolling mill on-line thickness regulating device according to claim 2, wherein: the inclination angle of the plane of the upper sliding surface of the lower sliding way and the lower end surface of the roller in the raceway groove II relative to the horizontal plane is 2 degrees.

4. A rolling mill on-line thickness regulating device according to claim 1 or 2 or 3, characterized in that: the screw is a ball screw with pretightening force applied.