CN219924097U - Finishing mill throw-in roller - Google Patents

Abstract

The utility model discloses a finishing mill drop roll, which comprises a workbench, wherein supporting tables are arranged on two sides of the upper surface of the workbench, a roll bending set is arranged above the workbench, the roll bending set is arranged on the supporting table, a control console is arranged on one side of the upper end of the workbench, an electromagnetic overflow valve is arranged on the control console, an electromagnetic reversing valve is arranged on one side of the electromagnetic overflow valve, and an electrohydraulic servo valve is arranged on one side of the electromagnetic reversing valve. The utility model has the advantages that the proportion control is changed into the servo control, the pressure conversion response speed of the roll gap of the downward movement of the input bending roll is high, the equipment abrasion is reduced, the service life of the equipment is prolonged, the bending roll rolling can be realized in full pass, the same plate difference is reduced, and the talent rate is improved.

Description

Finishing mill throw-in roller

Technical Field

The utility model relates to the technical field of steel plate processing equipment, in particular to a finishing mill input roller.

Background

The bending roller of the finishing mill is used for adjusting the actual convexity and the actual deflection of the roller to meet the requirement of a certain transverse thickness difference, and is mainly used for improving the plate shape and reducing the transverse thickness difference, and a hydraulic bending roller is often used for applying additional bending force to a working roller or a supporting roller by using a hydraulic cylinder.

In the prior art, the bending roller of the finishing mill is generally controlled by a proportional valve, the corresponding speed of pressure conversion of the bending roller proportional control during rolling cannot be kept up, and the bending roller force is carried during downward roll gap movement, so that the load of a pressing motor is large, and the screw nut of a worm screw of a pressing turbine wheel is seriously worn.

The foregoing is not necessarily a prior art, and falls within the technical scope of the inventors.

Disclosure of Invention

The utility model aims to solve the problems, and designs a finishing mill input roller.

The technical scheme of the utility model for achieving the purpose is that the finishing mill throw-in roller comprises a workbench, wherein supporting tables are arranged on two sides of the upper surface of the workbench, a roller bending group is arranged above the workbench, the roller bending group is arranged on the supporting table, a control table is arranged on one side of the upper end of the workbench, an electromagnetic overflow valve is arranged on the control table, an electromagnetic reversing valve is arranged on one side of the electromagnetic overflow valve, and an electrohydraulic servo valve is arranged on one side of the electromagnetic reversing valve.

Further, the bending roller group comprises a rotating roller positioned above the workbench, two ends of the rotating roller are rotatably arranged on the inner side surface of the supporting table, a lower pressing roller is arranged above the rotating roller, a hydraulic cylinder is arranged at one end of the supporting table, two ends of the lower pressing roller are rotatably connected with the lower end of the hydraulic cylinder, and a plurality of limiting frames are arranged on the inner side of the supporting table.

Further, the limiting frame comprises a movable table positioned on the inner side of the supporting table, a first guide hole is formed in the movable table, a guide rod is arranged in the first guide hole, one end of the guide rod is arranged on the inner side surface of the supporting table, and a limiting roller is arranged on the movable table.

Further, the movable table is provided with a pushing table on one side, the pushing table is connected with the movable table through a plurality of telescopic springs, a plurality of second guide holes are formed in the pushing table, the second guide holes are sleeved on the outer side of the guide rod, the surface of one side of the pushing table is an inclined surface, and the lower end of the telescopic end of the hydraulic cylinder is provided with a pulley.

Further, the limiting roller comprises a fixed rod positioned on one side of the mobile station, the upper end of the fixed rod is arranged on the mobile station through a connecting rod, a plurality of circular ring rotating blocks are sleeved on the outer side of the fixed rod, and the lower end of the fixed rod is provided with an interceptor.

Further, the interceptor is including installing the screw sleeve at the mobile station lower extreme, the dead lever lower extreme is opened there is the connecting hole, screw sleeve one side is equipped with connecting bolt, connecting bolt one end passes the connecting hole and passes through threaded connection with the screw sleeve, the ring gasket is equipped with to dead lever lower extreme cover, limiting plate is installed to ring gasket lower extreme one side, the limiting plate lower extreme is opened there is the U-shaped groove, the U-shaped groove suit is on connecting bolt.

The utility model has the beneficial effects that: the proportion control is changed into servo control, the roll gap pressure conversion response speed of the downward movement of the input roll is high, the equipment abrasion is reduced, the service life of the equipment is prolonged, the roll bending rolling can be realized in full pass, the same plate difference is reduced, and the yield is improved;

and be equipped with mobilizable spacing in steel sheet both sides, can be convenient for carry out spacingly to the steel sheet, adopt a plurality of rotatable ring pivoted pieces on the spacing roller, friction when can reducing the steel sheet and remove to the ring pivoted piece can take out from the below, can be convenient for change when the wearing and tearing appear in the ring pivoted piece.

Drawings

FIG. 1 is a schematic view of a finishing mill input roll configuration according to the present utility model;

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

FIG. 3 is a schematic view of the structure of the spacing roller according to the present utility model;

FIG. 4 is a partial enlarged view at B in FIG. 3;

FIG. 5 is a schematic view of the positional relationship between the limiting plate and the connecting bolt according to the present utility model;

in the figure, 1, a workbench; 2. a support table; 3. a roll bending group; 4. a console; 5. an electromagnetic spill valve; 6. an electromagnetic reversing valve; 7. an electrohydraulic servo valve; 8. a rotating roller; 9. a lower press roll; 10. a hydraulic cylinder; 11. a limiting frame; 12. a mobile station; 13. a first guide hole; 14. a guide rod; 15. a limit roller; 16. a pushing table; 17. a telescopic spring; 18. a second guide hole; 19. a pulley; 20. a fixed rod; 21. a connecting rod; 22. a circular ring rotating block; 23. an interceptor; 24. a threaded sleeve; 25. a connection hole; 26. a connecting bolt; 27. a circular ring gasket; 28. a limiting plate; 29. a U-shaped groove.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model. Furthermore, in the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

The utility model provides a finishing mill input roll, as shown in figures 1-5, which comprises a workbench 1, wherein supporting tables 2 are arranged on two sides of the upper surface of the workbench 1, a roll bending group 3 is arranged above the workbench 1, the roll bending group 3 is arranged on the supporting table 2, a control table 4 is arranged on one side of the upper end of the workbench 1, an electromagnetic overflow valve 5 is arranged on the control table 4, an electromagnetic reversing valve 6 is arranged on one side of the electromagnetic overflow valve 5, and an electrohydraulic servo valve 7 is arranged on one side of the electromagnetic reversing valve 6;

the device processes the steel plate as follows: the electromagnetic overflow valve 5, the electromagnetic directional valve 6, the electrohydraulic servo valve 7, the roll bending set 3 and the hydraulic oil tank are connected through pipelines, a steel plate passes through the inner side of the roll bending set 3, the electrohydraulic flow and pressure can be controlled through the electrohydraulic servo valve 7, the roll bending set 3 can be further moved, the moving direction of the electrohydraulic can be controlled through the electromagnetic directional valve 6, the roll bending set 3 can be further controlled to move up and down, and when the roll bending set 3 moves to a limiting position, the electromagnetic overflow valve 5 can be enabled to discharge redundant electrohydraulic, and damage to equipment is prevented.

Referring to fig. 1 of the specification and fig. 2 of the specification, the bending roller set 3 comprises a rotating roller 8 positioned above the workbench 1, two ends of the rotating roller 8 are rotatably arranged on the inner side surface of the supporting table 2, a lower pressing roller 9 is arranged above the rotating roller 8, a hydraulic cylinder 10 is arranged at one end of the supporting table 2, two ends of the lower pressing roller 9 are rotatably connected with the lower end of the hydraulic cylinder 10, and a plurality of limiting frames 11 are arranged on the inner side of the supporting table 2;

the bending roll set 3 processes the steel plate as follows: the hydraulic cylinder 10 can be controlled to stretch through the electromagnetic overflow valve 5, the electromagnetic reversing valve 6 and the electrohydraulic servo valve 7, when the hydraulic cylinder 10 stretches, the lower press roll 9 can move downwards, the steel plate can be processed through the lower press roll 9 and the rotating roll 8, the limiting frame 11 can limit the two sides of the steel plate, and the processing precision of the steel plate can be guaranteed.

Referring to fig. 1, 2 and 3 of the specification, the limiting frame 11 comprises a moving table 12 positioned on the inner side of the supporting table 2, a first guide hole 13 is formed in the moving table 12, a guide rod 14 is arranged in the first guide hole 13, one end of the guide rod 14 is arranged on the inner side surface of the supporting table 2, and a limiting roller 15 is arranged on the moving table 12;

the limiting frame 11 limits the steel plate as follows: through the removal of mobile station 12, can drive spacing roller 15 and remove, and then accessible spacing roller 15 and steel sheet contact, and then can carry out spacing to the steel sheet, spacing roller 15 is rotatable, and then can reduce the frictional force when the steel sheet removes, and guide bar 14 and first guiding hole 13 can guarantee the direction of movement of mobile station 12.

Referring to fig. 1 and 2 of the specification, a pushing table 16 is arranged on one side of a moving table 12, the pushing table 16 is connected with the moving table 12 through a plurality of telescopic springs 17, a plurality of second guide holes 18 are formed in the pushing table 16, the second guide holes 18 are sleeved on the outer side of a guide rod 14, the surface of one side of the pushing table 16 is an inclined surface, and a pulley 19 is arranged at the lower end of a telescopic end of a hydraulic cylinder 10;

the process of moving the mobile station 12 is as follows: the proper moving table 12 and the telescopic spring 17 are selected according to the width of the steel plate and are arranged on the pushing table 16, when the hydraulic cylinder 10 stretches, the pulley 19 can be driven to move downwards, the pulley 19 is in contact with the inclined surface of the pushing table 16, the pushing table 16 can be further moved, the pushing table 16 can move towards the direction close to the moving table 12, the telescopic spring 17 is compressed, the moving table 12 can be moved under the elastic force of the telescopic spring 17, the limit roller 15 on the moving table 12 is further close to the steel plate, the steel plate can be limited, after the steel plate is processed, the hydraulic cylinder 10 is started to be shortened, the pulley 19 can be pulled downwards, at the moment, one end of the limit roller 15 is propped against the steel plate, the moving table 12 can not move, the pushing table 16 can be reversely pushed under the elastic force of the telescopic spring 17, and then the steel plate can be loosened by the moving table 12 and the limit roller 15.

Referring to fig. 1, fig. 2, fig. 3 and fig. 4 of the specification, the limit roller 15 includes a fixed rod 20 located at one side of the moving table 12, the upper end of the fixed rod 20 is mounted on the moving table 12 through a connecting rod 21, a plurality of ring rotating blocks 22 are sleeved outside the fixed rod 20, and an interceptor 23 is mounted at the lower end of the fixed rod 20;

the process of limiting the steel plate by the limiting roller 15 is as follows: the plurality of ring rotating blocks 22 are sleeved on the fixed rod 20, the lower end of the fixed rod 20 is intercepted through the interceptor 23, the ring rotating blocks 22 can be prevented from falling, the ring rotating blocks 22 at the lowest end on the fixed rod 20 limit the steel plate in a normal state, after a period of use, the ring rotating blocks 22 at the lowest end are worn, the interceptor 23 is opened by a worker, the ring rotating blocks 22 at the lowest end are taken down, then the interceptor 23 is installed, the steel plate is continuously limited through the second ring rotating blocks 22, and the use is more convenient.

Referring to fig. 1, fig. 2, fig. 3, fig. 4 and fig. 5 of the specification, the interceptor 23 comprises a threaded sleeve 24 installed at the lower end of the mobile station 12, a connecting hole 25 is formed at the lower end of the fixed rod 20, a connecting bolt 26 is arranged at one side of the threaded sleeve 24, one end of the connecting bolt 26 passes through the connecting hole 25 and is in threaded connection with the threaded sleeve 24, a ring gasket 27 is sleeved at the lower end of the fixed rod 20, a limiting plate 28 is installed at one side of the lower end of the ring gasket 27, a U-shaped groove 29 is formed at the lower end of the limiting plate 28, and the U-shaped groove 29 is sleeved on the connecting bolt 26;

the process of limiting the ring rotating block 22 by the interceptor 23 is as follows: the ring gasket 27 is sleeved on the fixed rod 20, the ring gasket 27 is positioned below the ring rotating block 22 at the lowest position, one end of the connecting bolt 26 passes through the connecting hole 25 to be connected with the threaded sleeve 24, the U-shaped groove 29 on the limiting plate 28 is sleeved on the connecting bolt 26, the limiting plate 28 can be limited, the limiting plate 28 can be in a horizontal state, the ring rotating block 22 can be further ensured to be in a horizontal state, when the ring rotating block 22 needs to be taken down, the connecting bolt 26 is screwed out from the threaded sleeve 24, and then the ring gasket 27 and the ring rotating block 22 at the lowest position can be taken down.

Although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.

Claims (6)

1. The utility model provides a finish rolling machine drops into curved roller, includes workstation (1), supporting bench (2) are installed to workstation (1) upper surface both sides, workstation (1) top is equipped with curved roller group (3), curved roller group (3) are installed on supporting bench (2), a serial communication port, control cabinet (4) are installed to workstation (1) upper end one side, install electromagnetic overflow valve (5) on control cabinet (4), electromagnetic overflow valve (6) are installed to electromagnetic overflow valve (5) one side, electrohydraulic servo valve (7) are installed to electromagnetic overflow valve (6) one side.

2. The finishing mill drop roll according to claim 1, wherein the roll bending set (3) comprises a rotating roll (8) located above the workbench (1), two ends of the rotating roll (8) are rotatably installed on the inner side surface of the supporting table (2), a lower pressing roll (9) is arranged above the rotating roll (8), a hydraulic cylinder (10) is installed at one end of the supporting table (2), two ends of the lower pressing roll (9) are rotatably connected with the lower end of the hydraulic cylinder (10), and a plurality of limiting frames (11) are installed on the inner side of the supporting table (2).

3. The finishing mill drop roll according to claim 2, wherein the limit frame (11) comprises a movable table (12) positioned on the inner side of the supporting table (2), a first guide hole (13) is formed in the movable table (12), a guide rod (14) is arranged in the first guide hole (13), one end of the guide rod (14) is arranged on the inner side surface of the supporting table (2), and a limit roll (15) is arranged on the movable table (12).

4. A finishing mill drop roll according to claim 3, characterized in that a pushing table (16) is arranged on one side of the moving table (12), the pushing table (16) and the moving table (12) are connected through a plurality of telescopic springs (17), a plurality of second guide holes (18) are formed in the pushing table (16), the second guide holes (18) are sleeved on the outer side of the guide rod (14), an inclined surface is arranged on one side surface of the pushing table (16), and pulleys (19) are arranged at the lower ends of telescopic ends of the hydraulic cylinders (10).

5. A finishing mill drop roll according to claim 3, characterized in that the limit roll (15) comprises a fixed rod (20) positioned at one side of the movable table (12), the upper end of the fixed rod (20) is arranged on the movable table (12) through a connecting rod (21), a plurality of circular ring rotating blocks (22) are sleeved outside the fixed rod (20), and an interceptor (23) is arranged at the lower end of the fixed rod (20).

6. The finishing mill drop roll according to claim 5, wherein the interceptor (23) comprises a threaded sleeve (24) arranged at the lower end of the movable table (12), a connecting hole (25) is formed in the lower end of the fixed rod (20), a connecting bolt (26) is arranged on one side of the threaded sleeve (24), one end of the connecting bolt (26) penetrates through the connecting hole (25) and is in threaded connection with the threaded sleeve (24), a circular ring gasket (27) is sleeved at the lower end of the fixed rod (20), a limiting plate (28) is arranged on one side of the lower end of the circular ring gasket (27), a U-shaped groove (29) is formed in the lower end of the limiting plate (28), and the U-shaped groove (29) is sleeved on the connecting bolt (26).