CN221133580U - Steel strip rolling mill - Google Patents

Abstract

The utility model provides a steel strip rolling mill, which comprises uncoiling straightening equipment, rolling equipment and cutting equipment, wherein the uncoiling straightening equipment comprises a rolling mill body; the rolling equipment comprises a frame provided with a compression roller track and a working roller part arranged in the compression roller track, wherein the working roller part comprises an upper working roller and a lower working roller which can rotate relative to the frame; the uncoiling and straightening device comprises an uncoiling device and a straightening device, wherein the uncoiling device is arranged at the inlet of the rolling channel, the uncoiling device is used for rolling and uncoiling the steel strip coil, and the straightening device is used for straightening the uncoiled steel strip; the cutting equipment is arranged at the outlet of the rolling channel and is used for cutting the rolled steel strip. Through setting up uncoiling device and straightener in roll-in passageway entrance, roll-in expansion of steel band reel through uncoiling device, straightener will the steel band after the expansion straighten to be the horizontality when making the steel band get into the rolling space, the steel band is located the tangent position of last work roll and lower work roll when receiving the rolling force in fact, guarantees the quality that the steel band is rolled.

Description

Steel strip rolling mill

Technical Field

The utility model relates to the technical field of steel strip production, in particular to a steel strip rolling mill.

Background

The steel strip rolling mill is equipment for realizing the steel strip rolling process, generally refers to equipment for completing the whole process of rolled material production, and can be divided into two rolls, four rolls, six rolls, eight rolls, twelve rolls, eighteen rolls and the like according to the number of rolls, and can be further divided into an L type, a T type, an F type, a Z type and an S type according to the arrangement mode of the rolls.

The Chinese invention patent with the publication number of CN101549354B discloses a six-roller mill. The axial locking device is connected with the supporting roller and is arranged on the operation sides of the upper part and the lower part of the housing; the supporting roll balancing device is connected with the upper supporting roll; the hydraulic pressure upper fine adjustment device is arranged at the bottom of the housing and directly drops the lower supporting roller at the top of the hydraulic pressure upper fine adjustment device; the axial moving device is arranged outside the transmission side of the housing and is connected with the middle roller through the axial moving device; the axial movement locking device is arranged on a roller bending block at the transmission side, and the roller system compensation device is arranged at the upper part of the housing.

However, the above-mentioned steel strip rolling mill does not consider the state when the steel strip enters the rolling space, and the steel strip is in a curved state due to the fact that the steel strip is just uncoiled when entering the rolling space, and the rolling contact surface is unstable when the curved steel strip is attached to the rolling roller, and the rolling force is dispersed when the curved steel strip is actually subjected to the rolling force, so that the rolling quality of the steel strip is reduced.

Disclosure of utility model

Based on the above, in order to solve the problem that the rolling force is dispersed when the bending steel strip is actually subjected to the rolling force due to the fact that the state of the steel strip entering the rolling space is not considered in the steel strip rolling mill, the utility model provides a steel strip rolling mill, which has the following specific technical scheme:

A steel strip rolling mill comprises uncoiling straightening equipment, rolling equipment and cutting equipment; the rolling equipment comprises a frame provided with a compression roller track and a working roller part arranged in the compression roller track, wherein the working roller part comprises an upper working roller and a lower working roller which can rotate relative to the frame, and a rolling channel is formed between the upper working roller and the lower working roller; the uncoiling and straightening device comprises an uncoiling device and a straightening device, wherein the uncoiling device is arranged at the inlet of the rolling channel and is used for rolling and uncoiling the steel strip coil, and the straightening device is used for straightening the uncoiled steel strip; the cutting equipment is arranged at the outlet of the rolling channel and is used for cutting the rolled steel strip.

According to the steel strip rolling mill, the uncoiling device and the straightening device are arranged at the inlet of the rolling channel, the uncoiling device is used for rolling and uncoiling the steel strip coil, and the straightening device is used for straightening the uncoiled steel strip, so that the steel strip is in a flat state when entering a rolling space, the tangent position of the upper working roll and the lower working roll when the steel strip is actually subjected to rolling force is ensured, and the rolling quality of the steel strip is ensured.

Further, the rolling device also comprises a pressure regulating roller assembly arranged on the stand; the pressure regulating roller assembly comprises a first pressure regulating roller arranged above the upper working roller, and the roller surface of the first pressure regulating roller is tangential to the working roller surface of the upper working roller.

Further, the rolling equipment also comprises a roll changing component, wherein the roll changing component comprises a wedge block component and a push component which are arranged at the bottom of the lower working roll; the wedge block assembly comprises a first wedge block and a second wedge block which are mutually matched, and the upper top surface of the first wedge block is a horizontal pushing surface in contact connection with the lower working roller; the pushing assembly is used for pushing the first wedge block and the second wedge block to move towards the center of the frame respectively.

Further, the ejection assembly comprises a first oil cylinder and a second oil cylinder which are arranged on two sides of the frame; the piston rod of the first oil cylinder is hinged with the first wedge block and pushes the first wedge block; and a piston rod of the second oil cylinder is hinged with the second wedge block and pushes the second wedge block.

Further, the cutting device comprises a mounting frame, a conveyor belt component and a cutting component, wherein the conveyor belt component and the cutting component are arranged on the mounting frame; the conveying belt component is used for conveying the rolled steel belt to the cutting component; the cutting part is used for cutting the rolled steel strip into a steel sheet.

Further, the conveying belt component comprises a driving motor, a conveying belt and a conveying roller assembly, wherein the conveying roller assembly comprises conveying rollers arranged on two sides of the mounting frame, and the driving motor drives the conveying rollers to rotate so as to drive the conveying belt to carry out conveying action; the cutting part comprises a hydraulic component and a cutting component driven by the hydraulic component, the cutting component comprises a cutting knife and a cutting limiting block arranged on the cutting knife in a matched mode, and a cutting channel is formed between the cutting knife and the cutting limiting block.

Further, the device also comprises a stacking device arranged at the cutting outlet of the cutting device, wherein the stacking device comprises a portal frame, a movable trolley arranged on the portal frame and a manipulator arranged on the movable trolley, and the manipulator can perform lifting movement relative to the movable trolley; the mobile trolley comprises a first trolley body and a second trolley body, and the manipulator is arranged on the second trolley body; the first vehicle body is provided with a first movable wheel unit, and the second vehicle body is provided with a second movable wheel unit; the portal frame is provided with a first track, and the first vehicle body is provided with a second track; the first vehicle body moves along the first track by a first moving wheel unit, and the second vehicle body moves along the second track by a second moving wheel unit.

Further, the uncoiling device comprises an uncoiling host, a winding drum assembly and a first compression roller assembly, wherein the winding drum assembly is rotatably installed on the uncoiling host, the first compression roller assembly is hinged on the uncoiling host, the winding drum assembly is used for fixing a steel strip coil, and the first compression roller assembly is used for rolling the steel strip coil on the winding drum assembly; the straightening device comprises a first straightening part and a second straightening part, the first straightening part comprises a straightening host machine and a second rolling assembly hinged to the straightening host machine, the straightening host machine is provided with a straightening inlet and a straightening outlet, and the second rolling assembly is used for adjusting the angle of a steel strip coil entering the straightening inlet; the second straightening part is arranged at the straightening outlet of the first straightening part.

Further, the second straightening component comprises a straightening support, a lower straightening assembly and an upper straightening assembly which are arranged on the straightening support; the upper straightening assembly can be close to or far away from the lower straightening assembly, and a straightening space is formed between the upper straightening assembly and the lower straightening assembly; the second straightening part further comprises a lifting unit arranged on the straightening support, the lifting unit comprises a power assembly and a hydraulic cylinder assembly driven by the power assembly, and the hydraulic cylinder assembly is used for driving the upper straightening assembly to move up and down.

Further, the uncoiling straightening device further comprises a conveying device, the conveying device comprises a conveying guide rail and an uncoiling trolley which is arranged on the conveying guide rail and moves, and the steel strip coil is conveyed to the winding drum assembly by the uncoiling trolley through placing the steel strip coil on the uncoiling trolley.

Drawings

The utility model will be further understood from the following description taken in conjunction with the accompanying drawings. The components in the figures are not necessarily to scale, emphasis instead being placed upon illustrating the principles of the embodiments. Like reference numerals designate corresponding parts throughout the different views.

FIG. 1 is a schematic view showing a structure of a steel strip rolling mill according to an embodiment of the present utility model;

fig. 2 is a schematic view showing the construction of a rolling apparatus according to an embodiment of the present utility model;

Figure 3 is a sectional view of the structure of a rolling apparatus according to an embodiment of the present utility model;

FIG. 4 is a schematic view of a cutting apparatus according to an embodiment of the present utility model;

FIG. 5 is a schematic view of the structure of the uncoiling and straightening device according to an embodiment of the utility model;

FIG. 6 is a schematic view showing the structure of the unwinding device and the first straightening component according to an embodiment of the utility model;

FIG. 7 is a schematic view showing the structure of the second straightening part according to an embodiment of the present utility model.

Reference numerals illustrate:

1. uncoiling straightening equipment; 2. a rolling device; 3. a cropping device; 4. stacking equipment;

11. an uncoiling device; 12. A straightening device; 13. A transport device;

101. a first straightening part; 102. A second straightening part;

111. Uncoiling a host; 112. A spool assembly; 113. A first press roll assembly;

121. Straightening a host; 122. a second roll-in assembly; 123. straightening the bracket; 124. a lower straightening assembly;

125. An upper straightening assembly; 126. a lifting unit; 127. a power assembly; 128. a hydraulic cylinder assembly;

131. A transport rail; 132. uncoiling the trolley;

21. A frame; 22. a work roll member; 23. a roll changing member; 24. a pressure regulating roller assembly;

221. an upper work roll; 222. a lower work roll;

231. A wedge assembly; 232. a push assembly; 233. a first wedge; 234. a second wedge;

235. a first cylinder; 236. a second cylinder;

241. a first pressure regulating roller;

31. a mounting frame; 32. a conveyor belt component; 33. a cutting member;

321. A driving motor; 322. a conveyor belt; 323. a conveyor roller assembly; 324. a conveying roller;

331. A hydraulic assembly; 332. a cutting assembly; 333. a cutting knife; 334. cutting out a limiting block;

41. a portal frame; 42. a moving trolley;

421. a first vehicle body; 422. and a second vehicle body.

Detailed Description

The present utility model will be described in further detail with reference to the following examples thereof in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the detailed description and specific examples are intended for purposes of illustration only and are not intended to limit the scope of the utility model.

It will be understood that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only and are not meant to be the only embodiment.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

The terms "first" and "second" in this specification do not denote a particular quantity or order, but rather are used for distinguishing between similar or identical items.

As shown in fig. 1, 2 and 5, a steel strip rolling mill according to an embodiment of the present utility model includes an uncoiling straightening device 1, a rolling device 2 and a cutting device 3; the rolling apparatus 2 includes a frame 21 provided with a press roller rail, and a work roller part 22 provided in the press roller rail, the work roller part 22 including an upper work roller 221 and a lower work roller 222 rotatable with respect to the frame 21, a rolling passage being formed between the upper work roller 221 and the lower work roller 222; the uncoiling and straightening device 1 comprises an uncoiling device 11 and a straightening device 12, wherein the uncoiling device 11 is arranged at the inlet of the rolling channel, the uncoiling device 11 is used for rolling and uncoiling a steel strip coil, and the straightening device 12 is used for straightening the uncoiled steel strip; the cutting device 3 is arranged at the outlet of the rolling passage and is used for cutting the rolled steel strip.

According to the steel strip rolling mill, the uncoiling device 11 and the straightening device 12 are arranged at the entrance of the rolling channel, the uncoiling device 11 is used for rolling and uncoiling the steel strip coil, and the straightening device 12 is used for straightening the uncoiled steel strip, so that the steel strip is in a flat state when entering a rolling space, the tangent positions of the upper working roll 221 and the lower working roll 222 when the steel strip is actually subjected to rolling force are ensured, and the rolling quality of the steel strip is ensured.

As shown in fig. 2 and 3, in one of the embodiments, the rolling apparatus 2 further comprises a pressure regulating roller assembly 24 provided on the stand 21; the pressure regulating roller assembly 24 includes a first pressure regulating roller 241 disposed above the upper work roller 221, with a roller surface of the first pressure regulating roller 241 disposed tangentially to the work roller surface of the upper work roller 221. In this way, the rolling pressure distribution on the upper working roll 221 is adjusted by the first pressure adjusting roll 241, so that the tangential position of the upper working roll 221 and the lower working roll 222 when the steel strip is actually subjected to the rolling force is adjusted.

In one embodiment, the rolling apparatus 2 further comprises a roll changing member 23, the roll changing member 23 comprising a wedge assembly 231 and a push assembly 232 disposed at the bottom of the lower work roll 222; the wedge block assembly 231 comprises a first wedge block 233 and a second wedge block 234 which are mutually matched, and the upper top surface of the first wedge block 233 is a horizontal pushing surface in contact connection with the lower working roller 222; the ejector assembly 232 is used for pushing the first wedge 233 and the second wedge 234 to move toward the center of the frame 21, respectively. In this way, by the inclined contact between the first wedge 233 and the second wedge 234, when the first wedge 233 and the second wedge 234 are far away from each other, the horizontal pushing surface of the wedge assembly 231 in contact with the lower working roller 222 moves downward, so that the operator can replace the lower working roller 222 moving downward along with the horizontal pushing surface.

In one embodiment, the ejector assembly 232 includes a first cylinder 235 and a second cylinder 236 disposed on opposite sides of the frame 21; the piston rod of the first oil cylinder 235 is hinged with the first wedge 233 and pushes the first wedge 233; the piston rod of the second cylinder 236 is hinged to the second wedge 234 and pushes the second wedge 234. In this way, the hydraulic thrust forces of the first cylinder 235 and the second cylinder 236 are used to ensure that the first wedge 233 and the second wedge 234 have sufficient thrust forces to move toward the center of the frame 21.

As shown in fig. 4, in one embodiment, the cutting device 3 includes a mounting frame 31, and a conveyor member 32 and a cutting member 33 provided on the mounting frame 31; a conveyor section 32 for conveying the rolled steel strip to a cutter section 33; the cutting member 33 is used to cut the rolled steel strip into steel sheets. In this manner, the rolled steel strip is conveyed to the cutting member 33 by the conveying belt member 32, and then cut into steel sheets by the cutting member 33.

In one embodiment, the conveyor belt component 32 includes a driving motor 321, a conveyor belt 322 and a conveying roller assembly 323, the conveying roller assembly 323 includes conveying rollers 324 disposed at two sides of the mounting frame 31, and the driving motor 321 drives the conveying rollers 324 to rotate, so as to drive the conveyor belt 322 to perform conveying action; the trimming member 33 includes a hydraulic component 331 and a trimming component 332 driven by the hydraulic component 331, and the trimming component 332 includes a trimming blade 333 and a trimming stopper 334 disposed to fit the trimming blade 333, and a trimming passage is formed between the trimming blade 333 and the trimming stopper 334. Specifically, the conveyor belt 322 is an elastic steel belt. In this way, the rolled steel strip is driven by the conveyor belt 322 to pass through the cutting channel, and then the cutting knife 333 is driven by the hydraulic component 331 to approach the cutting limiting block 334 to complete cutting action.

In one embodiment, the device further comprises a stacking device 4 arranged at the cutting outlet of the cutting device 3, wherein the stacking device 4 comprises a portal frame 41, a movable trolley 42 arranged on the portal frame 41, and a manipulator (not shown in the figure) arranged on the movable trolley 42, and the manipulator can perform lifting movement relative to the movable trolley 42; the moving trolley 42 includes a first vehicle body 421 and a second vehicle body 422, and a manipulator is provided on the second vehicle body 422; the first vehicle 421 is provided with a first moving wheel unit, and the second vehicle 422 is provided with a second moving wheel unit; the portal frame 41 is provided with a first track, and the first vehicle body 421 is provided with a second track; the first vehicle body 421 moves along a first track by a first moving wheel unit, and the second vehicle body 422 moves along a second track by a second moving wheel unit. In this way, the robot can perform the conveying operation in six directions, i.e., up, down, left, right, and front and rear with respect to the gantry 41.

As shown in fig. 5, 6 and 7, in one embodiment, the uncoiling device 11 includes an uncoiling host 111, a reel assembly 112 and a first press roller assembly 113, the reel assembly 112 is rotatably mounted on the uncoiling host 111, the first press roller assembly 113 is hinged on the uncoiling host 111, the reel assembly 112 is used for fixing a steel strip coil, and the first press roller assembly 113 is used for rolling the steel strip coil on the reel assembly 112; straightening device 12 comprises a first straightening part 101 and a second straightening part 102, wherein first straightening part 101 comprises a straightening host 121 and a second rolling assembly 122 hinged on straightening host 121, straightening host 121 is provided with a straightening inlet and a straightening outlet, and second rolling assembly 122 is used for adjusting the angle of a steel strip coil entering the straightening inlet; the second straightening part 102 is arranged at the straightening outlet of the first straightening part 101. In this way, after the first straightening part 101 is straightened for the first time, the second straightening part 102 is utilized to straighten the steel strip for the second time, so that the straightening flatness of the steel strip is ensured, and the rolling quality of the rolled steel strip by the subsequent rolling equipment 2 is improved.

In one embodiment, second straightening assembly 102 includes a straightening support 123, a lower straightening assembly 124 and an upper straightening assembly 125 disposed on straightening support 123; upper straightening assembly 125 may be either near or far from lower straightening assembly 124, forming a straightening space between upper straightening assembly 125 and lower straightening assembly 124; second straightening part 102 further comprises a lifting unit 126 arranged on straightening support 123, lifting unit 126 comprising a power assembly 127 and a hydraulic cylinder assembly 128 driven by power assembly 127, hydraulic cylinder assembly 128 being arranged to drive upper straightening assembly 125 to move up and down. In this manner, hydraulic cylinder assembly 128 is powered to facilitate driving upper straightener 125 up and down.

In one embodiment, the uncoiling straightening device 1 further comprises a transporting device 13, the transporting device 13 comprises a transporting guide rail 131 and an uncoiling trolley 132 arranged to move on the transporting guide rail 131, and the uncoiling trolley 132 is used for transporting the steel strip coil onto the reel assembly 112 by placing the steel strip coil onto the uncoiling trolley 132. Thus, by placing the steel strip coil onto the unwind trolley 132, the steel strip coil is transported to the reel assembly 112 using the unwind trolley 132, which is time-saving and labor-saving.

The technical features of the above embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.

The foregoing examples illustrate only a few embodiments of the utility model, which are described in detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.

Claims (10)

1. The steel strip rolling mill is characterized by comprising uncoiling straightening equipment, rolling equipment and cutting equipment;

The rolling equipment comprises a frame provided with a compression roller track and a working roller part arranged in the compression roller track, wherein the working roller part comprises an upper working roller and a lower working roller which can rotate relative to the frame, and a rolling channel is formed between the upper working roller and the lower working roller;

The uncoiling and straightening device comprises an uncoiling device and a straightening device, wherein the uncoiling device is arranged at the inlet of the rolling channel and is used for rolling and uncoiling the steel strip coil, and the straightening device is used for straightening the uncoiled steel strip;

the cutting equipment is arranged at the outlet of the rolling channel and is used for cutting the rolled steel strip.

2. The steel strip rolling mill of claim 1 wherein the rolling apparatus further comprises a pressure regulating roll assembly disposed on the housing;

the pressure regulating roller assembly comprises a first pressure regulating roller arranged above the upper working roller, and the roller surface of the first pressure regulating roller is tangential to the working roller surface of the upper working roller.

3. The steel strip rolling mill of claim 2 wherein the rolling apparatus further comprises a roll changing assembly including a wedge assembly and a push assembly disposed at the bottom of the lower work rolls;

the wedge block assembly comprises a first wedge block and a second wedge block which are mutually matched, and the upper top surface of the first wedge block is a horizontal pushing surface in contact connection with the lower working roller;

The pushing assembly is used for pushing the first wedge block and the second wedge block to move towards the center of the frame respectively.

4. A steel strip rolling mill according to claim 3, wherein the ejector assembly comprises a first cylinder and a second cylinder disposed on opposite sides of the housing;

the piston rod of the first oil cylinder is hinged with the first wedge block and pushes the first wedge block;

and a piston rod of the second oil cylinder is hinged with the second wedge block and pushes the second wedge block.

5. The strip rolling mill of claim 1 wherein the cutting apparatus includes a mounting frame, and a conveyor belt assembly and a cutting assembly disposed on the mounting frame;

the conveying belt component is used for conveying the rolled steel belt to the cutting component;

The cutting part is used for cutting the rolled steel strip into a steel sheet.

6. The steel strip rolling mill according to claim 5, wherein the conveyor belt part comprises a driving motor, a conveyor belt and a conveying roller assembly, the conveying roller assembly comprises conveying rollers arranged on two sides of the mounting frame, and the driving motor drives the conveying rollers to rotate so as to drive the conveyor belt to perform conveying action;

The cutting part comprises a hydraulic component and a cutting component driven by the hydraulic component, the cutting component comprises a cutting knife and a cutting limiting block arranged on the cutting knife in a matched mode, and a cutting channel is formed between the cutting knife and the cutting limiting block.

7. The strip rolling mill of claim 5 further comprising a stacking apparatus disposed at the cutting exit of the cutting apparatus, the stacking apparatus comprising a gantry, a traveling carriage disposed on the gantry, and a manipulator disposed on the traveling carriage, the manipulator being movable up and down relative to the traveling carriage;

The mobile trolley comprises a first trolley body and a second trolley body, and the manipulator is arranged on the second trolley body;

the first vehicle body is provided with a first movable wheel unit, and the second vehicle body is provided with a second movable wheel unit;

the portal frame is provided with a first track, and the first vehicle body is provided with a second track;

The first vehicle body moves along the first track by a first moving wheel unit, and the second vehicle body moves along the second track by a second moving wheel unit.

8. The steel strip rolling mill of claim 1, wherein the uncoiling device comprises an uncoiling host, a reel assembly and a first press roller assembly, wherein the reel assembly is rotatably installed on the uncoiling host, the first press roller assembly is hinged on the uncoiling host, the reel assembly is used for fixing a steel strip coil, and the first press roller assembly is used for rolling the steel strip coil on the reel assembly;

The straightening device comprises a first straightening part and a second straightening part, the first straightening part comprises a straightening host machine and a second rolling assembly hinged to the straightening host machine, the straightening host machine is provided with a straightening inlet and a straightening outlet, and the second rolling assembly is used for adjusting the angle of a steel strip coil entering the straightening inlet;

the second straightening part is arranged at the straightening outlet of the first straightening part.

9. The steel strip rolling mill of claim 8 wherein the second straightening component includes a straightening support, and a lower straightening assembly and an upper straightening assembly disposed on the straightening support;

The upper straightening assembly can be close to or far away from the lower straightening assembly, and a straightening space is formed between the upper straightening assembly and the lower straightening assembly;

The second straightening part further comprises a lifting unit arranged on the straightening support, the lifting unit comprises a power assembly and a hydraulic cylinder assembly driven by the power assembly, and the hydraulic cylinder assembly is used for driving the upper straightening assembly to move up and down.

10. The steel strip rolling mill of claim 8, wherein the uncoiling straightening device further comprises a transport device, the transport device comprising a transport rail and an uncoiling trolley disposed to move on the transport rail, the uncoiling trolley being used to transport the steel strip coil onto the reel assembly by placing the steel strip coil onto the uncoiling trolley.