CN202715610U

CN202715610U - Plate rolling device

Info

Publication number: CN202715610U
Application number: CN 201220333687
Authority: CN
Inventors: 李明哲; 刘志卫; 韩奇钢; 邓玉山; 闫雪萍; 李湘吉
Original assignee: Jilin University
Current assignee: Jilin University
Priority date: 2012-02-05
Filing date: 2012-07-11
Publication date: 2013-02-06
Anticipated expiration: 2022-07-11
Also published as: CN102744253A; CN102581005A

Abstract

The utility model provides a plate rolling device, which comprises a working roll, a supporting body and a driving mechanism, wherein the supporting body is used for supporting and limiting the working roll, and the driving mechanism is used for driving the working roll. The supporting body (1) and the working roll (2) are in surface contact and are matched with each other in a sliding mode, and the contact length is not smaller than the width of a rolled plate (3), and the stiffness of the supporting body (1) is larger than the stiffness of the working roll (2). The plate rolling device has the advantages of simple structure, small size and low manufacture cost and is suitable for rolling thin plates, thin strips, thin films or wide plates.

Description

Plate rolling device

Technical field

The utility model relates to a kind of plate rolling device, in particular to a kind of thin plate, strip, film or wide plate rolling device, belongs to mechanical engineering field.

Background technology

General plate rolling adopts large diameter two rollers or four-high mill more.And for thin plate rolling, because the elastic flattening of roll is directly proportional with roller diameter, if adopt major diameter two-roller mill rolled sheet metal, often the sheet material drafts than rolling is also large for the elastic flattening value that roll itself occurs.Therefore, when roll material one timing, reduce the elastic flattening value of roll, just must dwindle the roller footpath.On the other hand, when roller footpath was larger, the contact area of roll and sheet material was large, and the required roll-force of rolled plate also just greatly; Therefore to reduce roll-force, also need to reduce roller diameter.And the reducing of roll diameter of roller, the inadequate problem of roll rigidity appears in corresponding meeting, and the roll neck that transmits simultaneously roll torque also diminishes; Therefore need a plurality of backing rolls in a plurality of directions the minor diameter working roll to be supported respectively, and by backing roll the minor diameter working roll is driven.Although this multi-roll mill can satisfy the requirement of working roll minor diameter and high rigidity, increased the complexity of its structure, manufacturing cost is high.

Summary of the invention

The purpose of this utility model be to provide a kind of simple in structure, volume is little, the thin plate of low cost of manufacture, strip, film or wide used for rolling board plate rolling device.

Above-mentioned effect of the present utility model is achieved through the following technical solutions, and accompanying drawings is as follows:

The utility model provides a kind of plate rolling device, it comprises for the working roll 2 that sheet material is rolled, is used for to the supporter 1 of 2 supports of described working roll and position-limiting action with for the driving mechanism that drives described working roll 2, and described working roll 2 comprises upside working roll and downside working roll; Described supporter 1 contacts with 2 of described working rolls and is slidingly matched, and its contact length is not less than the width that is rolled sheet material 3, and the rigidity of described supporter 1 is greater than the rigidity of described working roll 2.

By adopting described constituted mode, because the rigidity of the ratio of rigidity working roll of supporter is large, and supporter contacts with the downside working roll face of being respectively with the upside working roll, therefore backing roll can support in a plurality of directions upside working roll and downside working roll, take the supporting role that substitutes a plurality of backing rolls in the multiroll rolling (between its backing roll and the working roll contact for line), so that the minor diameter working roll has enough strength and stiffness when rolled sheet metal, strip, film or wide plate; In addition, upside working roll and downside working roll support with a supporter respectively, can the simplification device structure, reduce manufacturing cost.

In addition, the bus of described upside working roll and downside working roll is straight line or camber line, or the bus of one of them is camber line.

By adopting described constituted mode, sheet material is carried out non-homogeneous depressing at width, make the metal on its width produce different elongations, thereby realize curve generating.

In addition, plate rolling device provided by the utility model, described driving mechanism by shaft coupling directly to described upside working roll or/and the one or both ends of downside working roll apply torque.

By adopting described constituted mode, upside working roll and downside working roll are applied torque, assurance sheet material is constantly advanced along with the rotation of described working roll 2 under the effect of frictional force and is rolled.

In addition, described driving mechanism can comprise at least one driven roller 4, and between described supporter 1 and described working roll 2, described supporter 1 contacts with 4 of described driven rollers and is slidingly matched, the cooperation that contacts and roll of described driven roller 4 and described working roll 2 lines.

By adopting described constituted mode, described driven roller 4 can apply torque to the body of roll position of described working roll 2, therefore can not make its torque not enough because of the restriction in roller footpath for long described working roll 2, thereby the transmission of torque of roll neck be less than the phenomenon of described working roll 2 middle parts when avoiding applying torque at described working roll 2 two ends.

In addition, in described supporter 1, for the contact-making surface that supports described working roll 2 or described driven roller 4 oil groove is set, and at described supporter 1 one or more oil circuits that lead to contact-making surface from the outside is set.

By adopting described constituted mode, at described supporter 1 internal placement oil groove and oil circuit, principle by sliding bearing or hydrodynamic bearing makes fluid lubricant can constantly enter contact-making surface between described supporter 1 and described working roll 2 or the described driven roller 4, and produce oil film separating described supporter 1 and described working roll 2 or described driven roller 4 at contact-making surface, thereby reduce the friction between described supporter 1 and described working roll 2 or the described driven roller 4.

In addition, through in the process that being formed at the roll gap between described upside working roll and the downside working roll and being rolled at described sheet material 3, adjust in real time gap values between rollers by the height of adjusting described supporter 1.

By adopting described constituted mode, in traveling process of sheet material, 1 pair of gap values between rollers of described supporter is adjusted in real time, and the sheet metal thickness that makes the exit changes with the variation of gap values between rollers, thereby realizes the rolling of board of variable section.

As mentioned above, the utility model provides a kind of plate rolling device, comprise for the working roll 2 that sheet material 3 is rolled, be used for to the supporter 1 of 2 supports of described working roll and position-limiting action with for the driving mechanism that drives working roll, described working roll 2 comprises upside working roll and downside working roll; Wherein, the rigidity of described supporter 1 is greater than the rigidity of described working roll 2, and the contact length of described supporter 1 and described working roll 2 is not less than the width of described sheet material 3.

Technique effect of the present utility model: adopt described constituted mode, because the rigidity of the ratio of rigidity working roll of supporter is large, and contact with the downside working roll face of being respectively with the upside working roll, therefore supporter can support in a plurality of directions upside working roll and downside working roll, so that the minor diameter working roll has enough strength and stiffness when rolled plate; In addition, upside working roll and downside working roll only support with a supporter respectively, can the simplification device structure, the reduction manufacturing cost.

Description of drawings

Fig. 1 is the schematic diagram of the related plate rolling device 10 of an embodiment of the present utility model.

Fig. 2 is the schematic diagram of the related plate rolling device 20 of another embodiment of the present utility model.

Fig. 3 is the schematic diagram of the related plate rolling device 30 of another embodiment of the present utility model.

Among the figure: 1. supporter 2. working rolls 3. sheet materials 4. driven rollers 10. plate rolling devices 10 20. plate rolling devices 20 30. plate rolling devices 30

The specific embodiment

Further the related plate rolling device of the utility model is described below in conjunction with accompanying drawing.

Plate rolling device 10 comprises for the working roll 2 that sheet material 3 is rolled, is used for to the supporter 1 of 2 supports of working roll and position-limiting action with for the driving mechanism (not shown) that drives working roll, and working roll 2 comprises upside working roll and downside working roll; Wherein, the rigidity of supporter 1 equals more than 10 times of working roll 2 rigidity, and the contact length of supporter 1 and working roll 2 is greater than the width of sheet material 3.

In plate rolling device 10, the cross section of the working roll 2 that adopts is less, and the cross section of the supporter 1 that adopts is much larger than the cross section of working roll 2, and therefore, its rigidity is much larger than the rigidity of working roll 2.1 pair of working roll 2 of supporter with high rigidity supports in a plurality of directions, and contact length is greater than rolling width, thereby so that the Rigidity and strength of working roll 2 in the operation of rolling significantly increased.Plate rolling device is 10 simple in structure, volume is little, low cost of manufacture, can realize being rolled for thin plate, strip, film or wide plate with minor diameter working roll 2.In addition, in this plate rolling device 10, also following situation can be arranged, but be not limited to this.The contact-making surface that is used for support works roller 2 in supporter 1 arranges oil groove, and at supporter 1 one or more oil circuits that lead to contact-making surface from the outside is set, and reduces friction between working roll 2 and the supporter 1 by sliding bearing or hydrodynamic bearing principle.In the operation of rolling, can adjust in real time roll gap by supporter 1 and realize the rolling of board of variable section.

In this plate rolling device 10, by driving mechanism the two ends of two minor diameter working rolls 2 are applied torque, and two minor diameter working rolls 2 are supported by the integral support body 1 with high rigidity respectively, the strength and stiffness of working roll 2 are able to remarkable increase, thereby can with simple in structure, volume is little, the plate rolling device of low cost of manufacture 10, use diameter significantly less than the minor diameter working roll 2 of conventional operation roller, realize the rolling of thin plate, strip, film or wide plate.

Fig. 2 is the schematic diagram of plate rolling device 20 related in another embodiment of the present utility model.

For simplicity explanation below only describes plate rolling device 20 difference with plate rolling device 10.In plate rolling device 20, it is the minor diameter working roll 2 of camber line that upside working roll and downside working roll adopt bus.Certainly, also can only have the bus of a working roll in upside working roll and the downside working roll is camber line.By sheet material 3 is carried out non-homogeneous depressing at width, make the metal of its width different elongations occur and become curved surface, thus, plate rolling device 20 can be realized the curve generating of sheet material 3.

Fig. 3 is the schematic diagram of plate rolling device 30 related in another embodiment of the present utility model.

For simplicity explanation below only describes plate rolling device 30 difference with plate rolling device 10.In plate rolling device 30, upside working roll and downside working roll are provided with respectively two driven rollers 4 (certainly, also a plurality of driven rollers can be set respectively), contact with two working rolls 2 respectively.The body of roll by 4 pairs of working rolls 2 of driven roller applies torque, can enlarge markedly the driving torque of working roll 2.In addition, also can in the operation of rolling, adjust in real time roll gap by supporter 1 and realize that board of variable section is rolling.

Claims

1. plate rolling device comprises working roll, described working roll is risen support and the supporter of position-limiting action and be used for driving the driving mechanism of working roll, and described working roll comprises upside working roll and downside working roll; It is characterized in that: described supporter (1) contacts with described working roll (2) face and is slidingly matched, its contact length 〉=be rolled the width of sheet material (3), and the rigidity of described supporter (1) is greater than the rigidity of described working roll (2).

2. plate rolling device according to claim 1, it is characterized in that: the bus of described upside working roll and downside working roll is straight line or camber line, or the bus of one of them is camber line.

3. plate rolling device according to claim 1 is characterized in that: described driving mechanism to described upside working roll or/and the one or both ends of downside working roll apply torque.

4. plate rolling device according to claim 1, it is characterized in that: described driving mechanism comprises at least one driven roller (4), described driven roller (4) is positioned between described supporter (1) and the described working roll (2), described supporter (1) contacts with described driven roller (4) face and is slidingly matched, the cooperation that contacts and roll of described driven roller (4) and described working roll (2) line.

5. the described plate rolling device of arbitrary claim in 4 according to claim 1, it is characterized in that: in described supporter (1), for the contact-making surface that supports described working roll (2) or described driving rod (4) oil groove is set, and at described supporter (1) one or more oil circuits that lead to contact-making surface from the outside is set.

6. the described plate rolling device of arbitrary claim in 4 according to claim 1, it is characterized in that: described sheet material (3) is adjusted gap values between rollers in real time by the height of adjusting supporter (1) in through the process that is formed at the roll gap between described upside working roll and the downside working roll and is rolled.