CN219309680U

CN219309680U - Rolling mill roll changing device

Info

Publication number: CN219309680U
Application number: CN202320151326.9U
Authority: CN
Inventors: 王正双
Original assignee: Tangshan Fengrun Ruixing Steel Co ltd
Current assignee: Tangshan Fengrun Ruixing Steel Co ltd
Priority date: 2023-02-06
Filing date: 2023-02-06
Publication date: 2023-07-07
Anticipated expiration: 2033-02-06

Abstract

The application relates to a rolling mill roll-changing device relates to steel processing equipment technical field, and it sets up in the rolling mill bottom, has seted up the standing groove in the rolling mill bottom, roll-changing device sets up in the standing groove, including placing the board, place the board and be located rolling mill work roll under, one side that the work roll was kept away from to the board of placing is provided with a plurality of pulleys, be provided with the drive on the board of placing place the driving piece that the board removed. The method has the effect of improving the roll changing efficiency of the rolling mill.

Description

Rolling mill roll changing device

Technical Field

The application relates to the technical field of steel processing equipment, in particular to a roller replacing device of a rolling mill.

Background

In the process of processing steel for a long time, uneven wear is generated on the surfaces of the upper support roller, the upper working roller and the lower working roller, and even pits are generated, so that the processed steel is influenced, the processing quality of the steel is reduced, and the upper working roller and the lower working roller on the rolling mill are required to be replaced.

In the related art, when the upper working roll and the lower working roll are replaced, the upper working roll and the lower working roll are generally detached from the rolling mill and then are placed on the conveying device for transportation, and then a new working roll is installed on the rolling mill.

Disclosure of Invention

In order to improve the roll changing efficiency of a rolling mill, the application provides a roll changing device of the rolling mill.

The application provides a rolling mill roll-changing device adopts following technical scheme:

the utility model provides a rolling mill roll-changing device, sets up in the rolling mill bottom, has seted up the standing groove in the rolling mill bottom, roll-changing device sets up in the standing groove, including placing the board, place the board and be located rolling mill work roll under, one side that the work roll was kept away from to the board is provided with a plurality of pulleys, be provided with the drive on the board of placing place the board the driving piece that the board removed

Through adopting above-mentioned technical scheme, when changing the work roll, dismantle the work roll from the rolling mill at first, then the work roll is placed on placing the board, starts the driving piece, and the driving piece drives and places the board and remove towards the direction of keeping away from the driving piece to very big reduction the time of rolling mill roll change, improved the efficiency of rolling mill roll change.

Optionally, the driving piece is the pneumatic cylinder, the pneumatic cylinder is located place the lateral wall position of board, just the piston end of pneumatic cylinder with place the board looks butt.

Through adopting above-mentioned technical scheme, when needs change the work roll, start the pneumatic cylinder, the pneumatic cylinder is to placing the board and apply a power of keeping away from the pneumatic cylinder for place the board and remove under the promotion effect of pneumatic cylinder, adopt the pneumatic cylinder as the driving piece, because the pneumatic cylinder has stable transmission power and the structure is comparatively simple when.

Optionally, a sliding rail is arranged under the pulley of the placing plate, the sliding rail is arranged along the length direction of the placing groove, and the pulley can slide along the length direction of the sliding rail.

Through adopting above-mentioned technical scheme, place board gliding in-process, the slide rail can play certain guide effect to the pulley, increases the stability of placing the board in the removal in-process.

Optionally, the both sides of placing the board all are provided with the baffle, just the baffle with place the board mutually perpendicular.

Through adopting above-mentioned technical scheme, the baffle can play certain blocking effect to the work roll, when placing the board and driving the work roll and remove, the baffle reducible work roll from placing the possibility that drops on the board, increases the stability of work roll in the transportation process.

Optionally, a shielding plate is arranged at the top of the placing groove, and the area of the shielding plate is larger than that of the placing groove.

Through adopting above-mentioned technical scheme, the sunshade can play certain guard action to the device in the standing groove when rolling mill normally works, increases roll change device's life.

Optionally, telescopic components are arranged on the two baffles.

Through adopting above-mentioned technical scheme, flexible subassembly steerable baffle rises or descends, when placing the board and being in the rolling mill bottom, descends the baffle through flexible subassembly for the baffle does not influence the normal work of rolling mill, when needs remove the work roll, rises the baffle through flexible subassembly, plays fine blocking effect to the work roll.

Optionally, the flexible subassembly includes two fixed sleeves, fixed sleeve sets up in the both sides of baffle, just fixed sleeve with place the board perpendicularly, it is provided with the slide bar to slide in the fixed sleeve, the baffle sets up two the slide bar is close to one side each other, fixed sleeve interpolation is equipped with fixing bolt, fixing bolt passes fixed sleeve and slide bar.

Through adopting above-mentioned technical scheme, when the rolling mill during operation, remove the slide bar towards being close to the direction of placing the board, when removing suitable position, utilize fixing bolt to fix the slide bar to reduce the influence of baffle to the rolling mill during operation, when needs roll-changing, remove the slide bar towards the direction of keeping away from the place board, when removing suitable position, utilize fixing bolt to fix the slide bar, thereby make the baffle to the better blocking of work roll.

Optionally, an inductor is arranged on one side of the placing plate far away from the pulley.

Through adopting above-mentioned technical scheme, the inductor can increase the holistic automation of device, when the work roll with place the board butt, work roll and inductor butt to send the signal to operating personnel, thereby make operating personnel respond rapidly.

In summary, the present application includes at least one of the following beneficial technical effects:

1. when the working rolls are replaced, the working rolls are detached from the rolling mill firstly, then the working rolls are placed on the placing plates, the driving parts are started, and the placing plates are driven by the driving parts to move in the direction away from the driving parts, so that the time for replacing the rolls of the rolling mill is greatly reduced, and the efficiency for replacing the rolls of the rolling mill is improved;

2. the baffle can play a certain role in blocking the working roller, when the placing plate drives the working roller to move, the baffle can reduce the possibility that the working roller falls off from the placing plate, and the stability of the working roller in the conveying process is improved;

3. the telescopic assembly can control the baffle to ascend or descend, when the placed plate is positioned at the bottom of the rolling mill, the baffle descends through the telescopic assembly, so that the baffle does not influence the normal work of the rolling mill, and when the working roll needs to be moved, the baffle ascends through the telescopic assembly, so that a good blocking effect is achieved on the working roll.

Drawings

FIG. 1 is a schematic view of the overall structure of embodiment 1 of the present application;

FIG. 2 is a schematic overall structure of embodiment 2 of the present application;

in the figure, 1, a placing groove; 2. placing a plate; 21. a pulley; 3. a baffle; 4. a hydraulic cylinder; 5. a rolling mill; 51. a work roll; 6. a slide rail; 7. a telescoping assembly; 71. a fixed sleeve; 711. a plug hole; 72. a slide bar; 73. and (5) fixing bolts.

Detailed Description

The present application is described in further detail below with reference to fig. 1-2.

Embodiment 1, a rolling mill 5 roll-changing device sets up in rolling mill 5 bottom, refer to fig. 1, standing groove 1 has been seted up in rolling mill 5 bottom, roll-changing device sets up in standing groove 1, it is including placing board 2 (place board 2 and work roll 51 looks butt under the normal condition) of placing in rolling mill 5 bottom, place board 2 is the rectangle, and place the area of board 2 and be greater than the area of rolling mill 5 work roll 51 and keep away from rolling mill 5 at place board 2 one side fixedly connected with pulley 21, pulley 21 fixedly connected with is at four corners of placing board 2, be close to both sides fixedly connected with baffle 3 at work roll 51 both ends at place board 2, baffle 3 and place board 2 mutually perpendicular, be provided with the driving piece in one of them baffle 3 one side of keeping away from work roll 51 (the driving piece is pneumatic cylinder 4 in this embodiment, can also be mechanical structures such as cylinder in other embodiments), wherein the one end and the baffle 3 mutual butt of the piston of pneumatic cylinder 4.

When the work rolls 51 need to be replaced, the work rolls 51 are first removed from the rolling mill 5, then the work rolls 51 are dropped from the rolling mill 5 onto the placement plate 2, then the hydraulic cylinders 4 are activated, the hydraulic cylinders 4 apply a force to the baffle 3 away from the hydraulic cylinders 4, so that the placement plate 2 moves away from the hydraulic cylinders 4, the placement plate 2 slides along the length direction of the placement groove 1 and away from the hydraulic cylinders 4 through the pulleys 21, when the placement plate 2 and the work rolls 51 are completely separated from the bottom of the rolling mill 5, the work rolls 51 are removed from the placement plate 2, then a new work roll 51 is replaced onto the placement plate 2, and the placement plate 2 is pushed to move the work rolls 51 to the bottom of the rolling mill 5, and then the work rolls 51 are reinstalled onto the rolling mill 5. Through the mutual cooperation of the hydraulic cylinder 4 and the placement plate 2, the time is saved when the working roll 51 is replaced, and the roll replacing efficiency of the rolling mill 5 is improved.

Referring to fig. 1, a shutter (not shown) is provided at the top of the placement groove 1, the shutter is placed at the top of the placement groove 1, and the shutter is located right above the placement plate 2, the area of the shutter is larger than the area of the placement plate 2, when the work roll 51 needs to be replaced, the shutter is taken down from the placement groove 1, then the work roll 51 is taken down from the rolling mill 5 to be replaced, when the work roll 51 does not need to be replaced, the shutter is placed on the placement groove 1 when the rolling mill 5 works, the possibility that dust and processing waste fall to the placement plate 2 or the hydraulic cylinder 4 can be reduced, and the service life of the whole device is prolonged.

Referring to fig. 1, a sliding rail 6 is fixedly connected in the placing groove 1 along the length direction of the placing groove 1, a pulley 21 at the bottom of the placing plate 2 is slidably connected on the sliding rail 6, after the hydraulic cylinder 4 exerts a force on the placing plate 2, the pulley 21 can slide along the sliding rail 6, so that the placing plate 2 is more stable in the moving process, the possibility that the placing plate 2 touches the side wall of the placing groove 1 in the moving process is reduced, and a certain protection effect is indirectly achieved on the placing plate 2 and the working roller 51.

The implementation principle of embodiment 1 of the present application is: when the work rolls 51 on the rolling mill 5 need to be replaced, the work rolls 51 are detached from the rolling mill 5, then the rolling mill 5 is placed on the placing plate 2, then the hydraulic cylinder 4 is started, the hydraulic cylinder 4 applies a force far away from the hydraulic cylinder 4 to the placing plate 2, then the hydraulic cylinder 4 moves in a direction far away from the hydraulic cylinder 4, when the placing plate 2 and the work rolls 51 completely leave the rolling mill 5, the work rolls 51 are removed from the placing plate 2, then new work rolls 51 are placed on the placing plate 2, then the placing plate 2 is moved to the bottom of the rolling mill 5, the new work rolls 51 are installed on the rolling mill 5, and the roll replacing efficiency of the rolling mill 5 is improved through the mutual matching of the hydraulic cylinder 4 and the placing plate 2.

Embodiment 2 differs from embodiment 1 in that, referring to fig. 2, the telescopic assemblies 7 are disposed on the two baffles 3, the telescopic assemblies 7 comprise two fixing sleeves 71, the fixing sleeves 71 are respectively located at two sides of the baffles 3, the fixing sleeves 71 are perpendicular to the placing plate 2, a plurality of inserting holes 711 are formed in the fixing sleeves 71 along the length direction of the fixing sleeves 71, sliding rods 72 are slidably disposed in the fixing sleeves 71, a plurality of clamping holes (not shown in the drawing) are formed in the length direction of the sliding rods 72, the baffles 3 are fixedly connected to one sides of the two sliding rods 72 close to each other, fixing bolts 73 are inserted into the inserting holes 711, and the fixing bolts 73 penetrate through the inserting holes 711 and the clamping holes.

When the placing plate 2 is placed at the bottom of the rolling mill 5, and the working roll 51 does not need to be moved, the sliding rod 72 is slid towards the direction close to the placing plate 2, so that the baffle 3 does not influence the normal operation of the rolling mill 5; when the working roll 51 needs to be moved, the sliding rod 72 is moved in a direction away from the placement plate 2, and when the sliding rod is moved to a proper position, the fixing bolt 73 penetrates through the clamping hole and the inserting hole 711, so that the sliding rod 72 is fixed, the baffle 3 is abutted against the working roll 51, a certain blocking effect is achieved on the working roll 51, the possibility that the working roll 51 falls off from the placement plate 2 is reduced, and the stability of the working roll 51 in the moving process is improved.

Referring to fig. 2, a sensor (not shown in the figure, the sensor in this embodiment is a common gravity sensor) is disposed at one end of the placement plate 2 far away from the pulley 21, and when the work roll 51 falls onto the placement plate 2, the sensor abuts against the work roll 51, and the sensor sends out a signal, so that an operator starts the hydraulic cylinder 4, the convenience of the device is increased, and the automation of the whole device is improved.

The implementation principle of embodiment 2 of the present application is: when the working roll 51 needs to be moved, the working roll 51 is detached from the rolling mill 5, when the working roll 51 falls onto the placing plate 2, the sensor sends a signal, so that an operator moves the sliding rod 72 in a direction away from the placing plate 2, when the working roll 51 moves to a proper position, the sliding rod 72 is fixed through the fixing bolt 73, the baffle 3 is abutted against the working roll 51, the hydraulic cylinder 4 is started to move the working roll 51, and when the working roll 51 does not need to be replaced, the sliding rod 72 is moved in a direction close to the placing plate 2, so that the baffle 3 and the sliding rod 72 do not influence the normal operation of the rolling mill 5.

The embodiments of this embodiment are all preferred embodiments of the present application, and are not intended to limit the scope of the present application, in which like parts are denoted by like reference numerals. Therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims

1. The utility model provides a rolling mill roll change device, sets up in rolling mill (5) bottom, has seted up standing groove (1) in rolling mill (5) bottom, roll change device sets up in standing groove (1), a serial communication port, including placing board (2), place board (2) and be located rolling mill (5) work roll (51) under, one side that work roll (51) was kept away from to place board (2) is provided with a plurality of pulleys (21), be provided with the drive on placing board (2) place the driving piece that board (2) removed.

2. A roll changing device for a rolling mill according to claim 1, characterized in that the driving member is a hydraulic cylinder (4), the hydraulic cylinder (4) is located at the side wall of the placing plate (2), and the piston end of the hydraulic cylinder (4) is abutted against the placing plate (2).

3. A roll changing device of a rolling mill according to claim 1, characterized in that a slide rail (6) is arranged under the pulley (21) of the placement plate (2), the slide rail (6) is arranged along the length direction of the placement groove (1), and the pulley (21) can slide along the length direction of the slide rail (6).

4. A roll changing device for rolling mill according to claim 1, characterized in that the two sides of the placement plate (2) are provided with baffles (3), and that the baffles (3) are mutually perpendicular to the placement plate (2).

5. A roll changing device for rolling mill according to claim 1, characterized in that the top of the placement groove (1) is provided with a cover plate, the area of which is larger than the area of the placement groove (1).

6. A rolling mill roll changing device according to claim 4, characterized in that both baffles (3) are provided with telescopic members (7).

7. The roll changing device of a rolling mill according to claim 6, characterized in that the telescopic assembly (7) comprises two fixing sleeves (71), the fixing sleeves (71) are arranged on two sides of the baffle plate (3), the fixing sleeves (71) are perpendicular to the placing plate (2), sliding rods (72) are slidably arranged in the fixing sleeves (71), the baffle plate (3) is arranged on one side, close to each other, of the two sliding rods (72), fixing bolts (73) are inserted into the fixing sleeves (71), and the fixing bolts (73) penetrate through the fixing sleeves (71) and the sliding rods (72).

8. A roll changing device for rolling mill according to claim 1, characterized in that the side of the placement plate (2) remote from the pulley (21) is provided with an inductor.