CN210474990U

CN210474990U - Multifunctional pinch roll

Info

Publication number: CN210474990U
Application number: CN201920856698.5U
Authority: CN
Inventors: 郭利华; 范志超; 徐时栋
Original assignee: Johnson Electric SA
Current assignee: Johnson Electric SA; Wisdri Engineering and Research Incorporation Ltd
Priority date: 2019-06-06
Filing date: 2019-06-06
Publication date: 2020-05-08
Anticipated expiration: 2029-06-06

Abstract

The utility model discloses a multifunctional pinch roll, include the mount and install the first steering roll on the mount, the second steering roll, first compression roller, second compression roller and preceding compression roller, wherein, the mount is formed with the belted steel passageway that is used for supplying belted steel to pass through, first steering roll and second steering roll are located belted steel passageway below, first compression roller, second compression roller and preceding compression roller all are located belted steel passageway top, first compression roller, second compression roller and preceding compression roller all can reciprocate in belted steel passageway top, preceding compression roller is used for pressing the bending tape head to the baffle on be convenient for the tape head get into the coiling machine and keep silent. The utility model provides a multi-functional pinch roll can have simultaneously concurrently and press from both sides to send, the aligning and supplementary threading function.

Description

Multifunctional pinch roll

Technical Field

The utility model relates to a metallurgical equipment technical field especially relates to a multi-functional pinch roll.

Background

On a single-stand reversible mill production line, a set of pinch roll is respectively arranged at the front and the rear of a stand and used for assisting in threading. The power is insufficient before the strip steel is threaded to the frame, and pinch rolls are needed to assist the strip steel to enter a rolling mill; in addition, after the last rolling is finished, when the strip tail is reversely threaded to the jaw of the coiling machine, the bent strip steel needs to be leveled, and for the upwarping strip tail, a compression roller auxiliary guide plate needs to enter the jaw.

At present, most of the traditional pinch rolls have single functions, only have the pinch function, and cannot meet the pinch, straightening and auxiliary strip threading functions required by the pinch rolls.

SUMMERY OF THE UTILITY MODEL

A primary object of the present invention is to provide a multi-functional pinch roll, which is capable of simultaneously performing pinch, straightening and auxiliary threading.

In order to achieve the above purpose, the utility model provides a multifunctional pinch roll, which comprises a fixed frame, a first steering roll, a second steering roll, a first press roll, a second press roll and a front press roll which are arranged on the fixed frame, wherein,

the fixing frame is provided with a strip steel channel for strip steel to pass through, the first steering roller and the second steering roller are located below the strip steel channel, the first pressing roller, the second pressing roller and the front pressing roller are located above the strip steel channel, the first pressing roller, the second pressing roller and the front pressing roller can move up and down above the strip steel channel, and the front pressing roller is used for pressing a bent strip head onto the guide plate so that the strip head can enter the jaw of the coiling machine.

Preferably, the strip steel channel is sequentially provided with a second compression roller, a first compression roller and a front compression roller along the direction from the inlet to the outlet of the strip steel channel, the first compression roller and the front compression roller are respectively falling rollers, and the second compression roller is a driving roller which is connected with a driving mechanism.

Preferably, the driving mechanism comprises a motor and a universal coupling fixedly connected with an output shaft of the motor, and one end of the universal coupling, which is far away from the motor, is connected with the second pressing roller so as to drive the second pressing roller to rotate.

Preferably, the first steering roller and the second steering roller are mounted on the fixing frame through bolts, the two rollers are drop rollers, and the tension meter is mounted below the bearing seat of the first steering roller and can measure the tension of the strip steel during rolling.

Preferably, the first compression roller is connected with a hydraulic cylinder, the hydraulic cylinder is installed on the fixed frame, a guide key is arranged between the first compression roller and the fixed frame and can move relatively, and the hydraulic cylinder drives the first compression roller to move up and down along the vertical direction.

Preferably, the second press roll is installed on the swing frame, one end of the swing hydraulic cylinder is installed on the fixed frame, the other end of the swing hydraulic cylinder is connected with the swing frame, and the swing frame and the second press roll are driven to swing around the fixed hinge point through the swing hydraulic cylinder.

Preferably, a movable hydraulic cylinder is installed on the swing frame, a guide key is arranged between the second press roller and the swing frame, and the movable hydraulic cylinder drives the second press roller to move up and down along the direction of the guide key of the swing frame.

Preferably, the fixed hinge point of the front pressing roller is arranged on the fixed frame and is driven to swing around the fixed hinge point by a swing hydraulic cylinder.

The utility model provides a multi-functional pinch roll, it takes up an area of the space few, satisfies the reversible rolling mill front and back equipment layout requirement of single frame. Meanwhile, the multifunctional pinch roll has light weight of the whole equipment, can meet the functions of pinch, straightening and auxiliary threading required by the pinch roll, and saves investment. The multifunctional pinch roll also has the advantages of simple structure, reliable work and easy realization.

Drawings

Fig. 1 is a schematic front view of the multifunctional pinch roll of the present invention;

FIG. 2 is a schematic side view of the multi-functional pinch roll of the present invention;

FIG. 3 is a roller state diagram of the multi-functional pinch roller of the present invention when straightening strip steel;

FIG. 4 is a roller state diagram when the multifunctional pinch roller of the utility model pinch the strip steel;

fig. 5 is a roller state diagram of the multifunctional pinch roller of the present invention during rolling.

In the figure, 1-a fixed frame, 2-a first steering roller, 3-a second steering roller, 4-a first press roller, 5-a second press roller, 6-a rotating shaft, 7-a front press roller, 8-a universal coupling, 9-a motor and 10-a swing frame.

The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.

Detailed Description

It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

It should be noted that, in the description of the present invention, the terms "lateral", "longitudinal", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for the convenience of description and simplification of description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Referring to fig. 1 and 2; in the preferred embodiment, the multifunctional pinch roll comprises a fixed frame 1, and a first steering roll 2, a second steering roll 3, a first pressing roll 4, a second pressing roll 5 and a front pressing roll 7 which are arranged on the fixed frame 1, wherein,

the fixing frame 1 is provided with a strip steel channel for strip steel to pass through, the first steering roller 2 and the second steering roller 3 are positioned below the strip steel channel, the first pressing roller 4, the second pressing roller 5 and the front pressing roller 7 are all positioned above the strip steel channel, the first pressing roller 4, the second pressing roller 5 and the front pressing roller 7 can move up and down on the strip steel channel, and the front pressing roller 7 is used for pressing a bent strip head onto a guide plate so that the strip head can enter a jaw of a coiling machine. The two steering rollers are mainly used for supporting the strip steel and providing the strip steel for steering.

Preferably, the strip steel channel is sequentially provided with a second compression roller 5, a first compression roller 4 and a front compression roller 7 along the direction from the inlet to the outlet of the strip steel channel, the first compression roller 4 and the front compression roller 7 are drop rollers (namely, the strip steel is driven to rotate by the rotation of the strip steel, and the first compression roller 4 and the front compression roller 7 are not connected with a driving mechanism to drive the strip steel to rotate), and the second compression roller 5 is a driving roller which is connected with a driving mechanism to drive the strip steel to rotate. The first press roll 4 and the second press roll 5 are vertically pressed down and form a four-roll straightener with two steering rolls, and the strip steel is straightened.

The driving mechanism comprises a motor 9 and a universal coupling 8 fixedly connected with an output shaft of the motor 9, and one end, deviating from the motor 9, of the universal coupling 8 is connected with the second pressing roller 5 to drive the universal coupling to rotate.

The first steering roll 2 and the second steering roll 3 are mounted on the fixing frame 1 through bolts, the two rolls are drop rolls, the tension meter is mounted below the bearing seat of the first steering roll 2, and the tension of the strip steel can be measured during rolling.

First compression roller 4 is connected with the pneumatic cylinder, and the pneumatic cylinder is installed on mount 1, but first compression roller 4 and mount 1 within a definite time have the direction key relative motion, reciprocate along the vertical direction through first compression roller 4 of pneumatic cylinder drive.

The second press roll 5 is installed on the swing frame 10, one end of the swing hydraulic cylinder is installed on the fixed frame 1, the other end of the swing hydraulic cylinder is connected with the swing frame 10, and the swing frame 10 and the second press roll 5 are driven to swing around the fixed hinge point through the swing hydraulic cylinder.

The swing frame 10 is provided with a movable hydraulic cylinder, a guide key is arranged between the second press roller 5 and the swing frame 10, and the movable hydraulic cylinder drives the second press roller 5 to move up and down along the direction of the guide key of the swing frame 10.

The first pressure roller 4 is movable up and down on the holder 1 with respect to the vertical direction. In this embodiment, the first pressing roller 4 is connected with a hydraulic cylinder, the hydraulic cylinder is installed on the fixing frame 1, and the hydraulic cylinder drives the first pressing roller 4 to move up and down along the vertical direction.

The fixed hinge point of the front pressing roller 7 is arranged on the fixed frame 1 and is driven to swing around the fixed hinge point by a swing hydraulic cylinder. The second press roller 5 is pressed down in the vertical direction to straighten the strip steel, the strip steel can be pressed onto the first steering roller 2 by pressing down after the second press roller 5 swings, and the strip steel can be pinch-fed by the transmission of the motor 9.

Referring to fig. 3, in straightening a strip: the first press roll 4 is pressed down, the second press roll 5 is pressed down vertically, and the two press rolls and the two turning rolls form a four-roll straightener to straighten the strip steel.

Referring to fig. 4, when the strip steel is pinch-fed: the first compression roller 4 is lifted upwards to an initial position, the second compression roller 5 rotates around the rotating shaft 6 and then compresses the strip steel to the steering roller, the motor 9 drives the second compression roller 5 to rotate to drive the strip steel to be fed forwards, and the front compression roller 7 presses down the tilting strip head so that the strip head can enter a jaw of the coiling machine conveniently.

Referring to fig. 5, in strip rolling: the first press roll 4 is lifted up to an initial position, the second press roll 5 is lifted up to an initial position, and the front press roll 7 is lifted up to an initial position. The first steering roll 2 and the second steering roll 3 provide support and steering for the strip steel, and the first steering roll 2 measures the tension of the strip steel.

The multifunctional pinch roll provided by the embodiment occupies less space, and meets the arrangement requirement of front and rear equipment of the single-stand reversible rolling mill. Meanwhile, the multifunctional pinch roll has light weight of the whole equipment, can meet the functions of pinch, straightening and auxiliary threading required by the pinch roll, and saves investment. The multifunctional pinch roll also has the advantages of simple structure, reliable work and easy realization.

The above is only the preferred embodiment of the present invention, and not the scope of the present invention, all the equivalent structural changes made by the contents of the specification and the drawings, or the direct or indirect application in other related technical fields are included in the patent protection scope of the present invention.

Claims

1. A multifunctional pinch roll is characterized by comprising a fixed frame, a first steering roll, a second steering roll, a first press roll, a second press roll and a front press roll which are arranged on the fixed frame, wherein,

2. The multi-functional pinch roll of claim 1, wherein the strip steel channel is sequentially provided with a second compression roll, a first compression roll and a front compression roll along the direction from the inlet to the outlet, the first compression roll and the front compression roll are both drop rolls, and the second compression roll is a driving roll which is connected with a driving mechanism.

3. The multi-functional pinch roll of claim 2, wherein the drive mechanism comprises a motor and a universal joint fixedly connected to an output shaft of the motor, and an end of the universal joint facing away from the motor is connected to the second pressure roll to drive the second pressure roll to rotate.

4. The multi-functional pinch roll of claim 3, wherein the first and second deflection rolls are bolted to the fixture, the first and second deflection rolls are hollow rolls, and a tension gauge is installed below the bearing seat of the first deflection roll to measure the tension of the strip steel during rolling.

5. The multi-functional pinch roll of claim 4, wherein the first pressure roll is connected to a hydraulic cylinder, the hydraulic cylinder is mounted on the fixed frame, and the first pressure roll is driven by the hydraulic cylinder to move up and down in the vertical direction by a guide key between the first pressure roll and the fixed frame.

6. The multi-functional pinch roll of claim 4, wherein the second pressure roll is mounted on a swing frame, and a swing cylinder is mounted on the fixed frame at one end and connected to the swing frame at the other end, and the swing frame and the second pressure roll are driven to swing around a fixed hinge point by the swing cylinder.

7. The multi-functional pinch roll of claim 6, wherein the swing frame is provided with a movable hydraulic cylinder, a guide key is arranged between the second pressure roll and the swing frame, and the movable hydraulic cylinder drives the second pressure roll to move up and down along the direction of the guide key of the swing frame.

8. The multi-functional pinch roll of any one of claims 1 to 7, wherein the fixed hinge point of the front pressure roll is mounted on a fixed frame and is driven to swing about the fixed hinge point by a swing hydraulic cylinder.