CN214488344U - Roller gap wedge adjusting device of straightening machine and multi-roller straightening machine - Google Patents

Roller gap wedge adjusting device of straightening machine and multi-roller straightening machine Download PDF

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Publication number
CN214488344U
CN214488344U CN202120436276.XU CN202120436276U CN214488344U CN 214488344 U CN214488344 U CN 214488344U CN 202120436276 U CN202120436276 U CN 202120436276U CN 214488344 U CN214488344 U CN 214488344U
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China
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roll
wedge
wedge block
straightening
adjusting
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CN202120436276.XU
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Inventor
刘蕴豫
钟海涛
王虎成
孔令龙
张博
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SMS Engineering China Ltd
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Ximake Technology Beijing Co ltd
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Abstract

The utility model discloses a straightener roll gap slide wedge adjusting device and multi-roll straightener, this adjusting device includes upper roll box, lower roll box, a plurality of upper straightening rollers installed on the upper roll box and a plurality of lower straightening rollers installed on the lower roll box, wherein the lower surface of the upper roll box is provided with a plurality of first position adjusting mechanisms for adjusting the upper and lower positions of the upper straightening rollers, the upper surface of the lower roll box is provided with a plurality of second position adjusting mechanisms for adjusting the upper and lower positions of the lower straightening rollers; the multi-roll straightener comprises the straightener roll gap wedge adjusting device. The utility model discloses structural design is simple ingenious, can carry out the accuracy to the roll gap that respectively corresponds upper and lower leveling roller according to supplied materials strip characteristic and adjust to the aligning obtains good board type.

Description

Roller gap wedge adjusting device of straightening machine and multi-roller straightening machine
Technical Field
The utility model relates to a metallurgical equipment technical field especially relates to a straightener roll gap slide wedge adjusting device and multi-roll straightener.
Background
The steel sheet may form a flatness problem of the strip after hot rolling, heat treatment and cooling. Straightening is an important link for eliminating residual stress and improving plate shape, and the process technology of straightening has important influence on the product quality. Wherein a reasonable roll gap control has a critical influence on the straightening quality.
At present, a multi-roll straightener shown in fig. 1 is widely used in the market, and comprises an upper roll box 1 'and a lower roll box 2', wherein the upper roll box 1 'is provided with an upper straightening roll 3', and the lower roll box 2 'is provided with a lower straightening roll 4'. The operating side and the driving side of the upper roller box 1' close to the inlet and the outlet are respectively provided with four screwdown devices for adjusting the roller gap.
When the straightening machine is used, the lower roll box 2 'is kept intact, and the roll gap between the upper straightening roll 3' and the corresponding lower straightening roll 4 'is adjusted in a mode of integrally pressing down the upper roll box 1'. However, in this type of leveler, once the roll gap between the upper straightening roll 3 'and the lower straightening roll 4' at the outlet and the inlet is determined, the roll gap between each upper straightening roll 3 'and the corresponding lower straightening roll 4' in the middle cannot be adjusted. If incoming strips of the same thickness but different flatness exceed a fixed plate shape straightening range, a good straightening effect cannot be obtained.
Therefore, the present inventors have made extensive studies on how to design a roll gap wedge adjusting device for a leveler and a multi-roll leveler which can solve the above problems.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a straightener roll gap slide wedge adjusting device and multi-roll straightener, its structural design is simple ingenious, can carry out the accuracy to the roll gap that respectively corresponds upper and lower straightening roller according to supplied materials strip characteristics and adjust to the aligning obtains good board type.
In order to realize the above-mentioned purpose, the utility model provides a straightener roll gap slide wedge adjusting device, including last roller box, lower roller box, install a plurality of last straightener rolls on going up the roller box and install a plurality of lower straightener rolls on the lower roller box, wherein the lower surface of going up the roller box is equipped with a plurality of regulations that are used for go up the first position adjustment mechanism of straightener roll upper and lower position, the upper surface of lower roller box is equipped with a plurality of regulations that are used for the second position adjustment mechanism of straightener roll upper and lower position down.
Preferably, the first position adjusting mechanism includes a first wedge block disposed on a lower surface of the upper roller box and a second wedge block attached to a lower surface of the first wedge block, a contact surface of the first wedge block and the second wedge block is an inclined surface inclined upward to one side, one side of the first wedge block is connected with a power mechanism, each upper straightening roller is disposed below the corresponding second wedge block, and the power mechanism drives the first wedge block to move in a horizontal direction, so that the second wedge block is changed in position in an up-down direction, thereby adjusting an up-down position of the upper straightening roller.
Preferably, a plurality of first backing bearings are respectively arranged between each second wedge block and the corresponding upper straightening roll, the plurality of first backing bearings are arranged in a staggered manner, the plurality of first backing bearings are mounted on the plurality of first mounting seats, the bottom plates of the plurality of first mounting seats are connected into a whole, and each second wedge block and the bottom plate of the plurality of first mounting seats are connected together in an up-and-down manner.
Preferably, the second position adjusting mechanism includes a third wedge block disposed on the upper surface of the lower roll box and a fourth wedge block attached to the upper surface of the third wedge block, a contact surface of the third wedge block and the fourth wedge block is an inclined surface inclined upward to one side, one side of the third wedge block is connected with a power mechanism, each lower straightening roll is disposed on the corresponding fourth wedge block, and the power mechanism drives the third wedge block to move in the horizontal direction, so that the fourth wedge block is changed in position in the vertical direction, and the vertical position of the lower straightening roll is adjusted.
Preferably, a plurality of second backing bearings are respectively arranged between each fourth wedge block and the corresponding lower straightening roller, the plurality of second backing bearings are arranged in a staggered manner, the plurality of second backing bearings are mounted on a plurality of second mounting seats, bottom plates of the plurality of second mounting seats are connected into a whole, and each fourth wedge block and the bottom plate of the plurality of second mounting seats are connected together in an up-and-down manner.
Preferably, the power mechanism adopts a hydraulic cylinder with a position sensor.
Preferably, the lower surface of the upper roller box is provided with a plurality of first guide grooves, the first position adjusting mechanisms are respectively arranged in the first guide grooves, the upper surface of the lower roller box is provided with a plurality of second guide grooves, and the second position adjusting mechanisms are respectively arranged in the second guide grooves.
Preferably, the number of the first position adjustment mechanisms corresponds to the number of the upper straightening rollers, and the number of the second position adjustment mechanisms corresponds to the number of the lower straightening rollers.
Preferably, each of the upper straightening rollers is mounted to the upper roller box by an elastic coupling assembly, and each of the lower straightening rollers is mounted to the lower roller box by an elastic coupling assembly.
Preferably, bearings are respectively mounted on roll necks at two ends of each upper straightening roll and each lower straightening roll, the bearings are respectively mounted on bearing seats, the elastic connection assembly comprises a connection part mounted on the bearing seats, the connection part penetrates through the upper roll box or the lower roll box and then is connected with the stopping part, and a spring is mounted on a part, located between the upper roll box or the lower roll box and the stopping part, of the connection part.
A multi-roll straightener comprises the straightener roll gap wedge adjusting device.
After the scheme is adopted, the roller gap wedge adjusting device and the multi-roller straightener of the straightener are provided with a set of independent first position adjusting mechanism through each upper straightening roller in the upper roller box, each lower straightening roller in the lower roller box is provided with a set of independent second position adjusting mechanism, the upper straightening roller is pushed to move up and down through the first position adjusting mechanism, the lower straightening roller is pushed to move up and down through the second position adjusting mechanism, the immersion amount adjustment of a single straightening roller (the upper straightening roller or the lower straightening roller) can be realized, further, the roller gap is controlled independently, the control mode can enable the 2# or 3# straightening roller at the inlet side to generate larger pressing amount, the plate can obtain larger plastic deformation rate, the initial state of the supplied material is redefined, the necessary reverse bending rate can be obtained through accurately controlling the immersion amount of the subsequent straightening rollers, and better plate shape can be obtained by fewer straightening rollers, the device and the part of the multi-roll straightener have simple and ingenious structural design.
Drawings
FIG. 1 is a schematic structural view of a roll gap adjusting device of a conventional straightener;
FIG. 2 is a schematic view of the operation principle of the roll gap wedge adjusting device of the straightening machine of the present invention;
FIG. 3 is a schematic view of the lower front view structure of the roll gap wedge adjusting device of the straightening machine of the present invention;
FIG. 4 is a schematic view of the side view of the lower part of the roll gap wedge adjusting device of the straightening machine of the present invention;
FIG. 5 is a top view of the lower part of the back balance bearing of the leveler of the present invention;
fig. 6 is an exploded schematic view of the embodiment of the multi-roll straightener of the present invention.
Detailed Description
The invention will be elucidated below on the basis of an embodiment shown in the drawing. The embodiments disclosed herein are to be considered in all respects as illustrative and not restrictive. The scope of the present invention is not limited by the following description of the embodiments, but is defined only by the scope of the claims, and includes all modifications that have the same meaning as the scope of the claims and are within the scope of the claims.
The structure of the roll gap wedge adjusting device of the straightening machine of the present invention will be described with reference to the following embodiments.
As shown in fig. 6, the embodiment of the multi-roll straightener of the present invention is schematically illustrated in an exploded structure, and the roll box is not shown in the figure in order to express the tapered wedge installed in the roll box. The drawing includes a plurality of upper straightening rollers 3 mounted on an upper roller box 1 and a plurality of lower straightening rollers 4 mounted on a lower roller box 2, and as shown in fig. 2 to 5, a plurality of first position adjusting mechanisms are provided on a lower surface of the upper roller box 1, a plurality of second position adjusting mechanisms are provided on an upper surface of the lower roller box 2, the upper and lower positions of the upper straightening rollers 3 are adjustable by the first position adjusting mechanisms, and the upper and lower positions of the lower straightening rollers 4 are adjustable by the second position adjusting mechanisms. It is preferable in this embodiment that the number of the first position adjustment mechanisms corresponds to the number of the upper straightening rollers 3. The number of the second position adjusting mechanisms corresponds to the number of the lower straightening rollers 4.
Referring to fig. 2 and 6, the first position adjustment mechanism includes a first wedge 5 disposed on the lower surface of the upper roller box 1 and a second wedge 6 attached to the lower surface of the first wedge 5, the lower surface of the upper roller box 1 is provided with a plurality of first guide slots, each of the first guide slots is provided with a first position adjustment mechanism, the first wedge 5 of this embodiment is slidably disposed in the first guide slot disposed on the lower surface of the upper roller box 1, and the first wedge 5 can move horizontally in the first guide slot. The contact surface of the first wedge 5 and the second wedge 6 is an inclined surface inclined upwards to one side, and the contact surface of the first wedge 5 and the second wedge 6 is an inclined surface inclined upwards to the left side in the embodiment, so that the purpose of adjusting the ascending or descending of the upper straightening roll 3 and the roll gap is realized by the two wedges in the relative movement process of the contact surfaces. The right side of the first wedge 5 is connected to a power mechanism, which in this embodiment uses a hydraulic cylinder 19 with a position sensor. Each upper straightening roller 3 is disposed below the corresponding second wedge 6. A plurality of first backing bearings 7 are respectively arranged between each second wedge block 6 and the corresponding upper straightening roller 3, the plurality of first backing bearings 7 are arranged in a staggered mode, the plurality of first backing bearings 7 are installed on the plurality of first installation seats 8, the bottom plates of the plurality of first installation seats 8 are connected into a whole, and the plurality of first installation seats 8 are of a welded frame structure with a plurality of accommodating grooves capable of accommodating the plurality of first backing bearings 7 on the surface. Each second wedge 6 is connected to the bottom surface of the bottom plate of the welded frame structure up and down.
The second position adjusting mechanism has a structure substantially the same as that of the first position adjusting mechanism, and as shown in fig. 3 to 5, includes a third wedge 9 disposed on the upper surface of the lower roller box 2 and a fourth wedge 10 attached to the upper surface of the third wedge 9, the upper surface of the lower roller box 2 is provided with a plurality of second guide slots, each of the second guide slots is provided with a second position adjusting mechanism, in this embodiment, the third wedge 9 is slidably disposed in the second guide slot disposed on the upper surface of the lower roller box 2, and the third wedge 9 can move horizontally in the second guide slot in the left-right direction. The contact surface of the third wedge block 9 and the fourth wedge block 10 is an inclined surface inclined upwards to one side, the contact surface of the third wedge block 9 and the fourth wedge block 10 is an inclined surface inclined upwards to the right side in the embodiment, the arrangement is carried out in order to enable the two wedge blocks to ascend or descend the lower straightening roll 4 in the relative movement process of the contact surfaces so as to adjust the roll gap, the right side of the third wedge block 9 is connected with a power mechanism, and the power mechanism adopts a hydraulic cylinder 11 with a position sensor in the embodiment. Each lower straightening roller 4 is disposed above the corresponding fourth wedge 10. A plurality of second backing bearings 12 are respectively provided between each fourth wedge 10 and the corresponding lower straightening roll 4, as shown in fig. 5, the plurality of second backing bearings 12 are alternately provided, the plurality of second backing bearings 12 are mounted on a plurality of second mounting seats 13, the dotted lines in the figure are schematic lower straightening rolls, the bottom plates of the plurality of second mounting seats 13 are integrally connected, and the plurality of second mounting seats 13 are welded frame structures having a plurality of receiving grooves on the surfaces thereof, which can receive the plurality of second backing bearings 12. Each fourth wedge 10 is connected to the bottom surface of the bottom plate of the welded frame structure.
Each upper straightening roller 3 is arranged on the upper roller box 1 through an elastic connecting component, and each lower straightening roller 4 is arranged on the lower roller box 2 through an elastic connecting component. The shaft necks at the two ends of each upper straightening roll 3 and the roll necks at the two ends of each lower straightening roll 4 are respectively provided with a bearing 14, each bearing 14 is respectively arranged on a bearing seat 15, and the elastic connecting component comprises a connecting part arranged on the bearing seat 15.
Referring to fig. 3, the connecting portion installed on the bearing seat 15 of the lower straightening roll 4 is vertically disposed, the upper end of the connecting portion is connected to the bearing seat 15 of the lower straightening roll 4, the lower end of the connecting portion penetrates through the lower roll box 2 and then is connected to the stop portion, the connecting portion of the embodiment adopts a screw 16, the stop portion adopts a nut 17, the upper end of the screw 16 is fixed on the bearing seat 15, the lower end of the screw penetrates through the lower roll box 2 and then is fixed to the nut 17 in a threaded manner, and a spring 18 is installed between the lower roll box 2 and the nut 17.
Similarly, the upper end of the connecting part mounted on the bearing seat 15 of the upper straightening roll 3 passes through the upper roll box 1 and then is connected with the stop part, and a spring 18 is mounted between the upper roll box 1 and the nut 17.
In use, the roll gap can be adjusted by independently adjusting the rising or falling of the upper straightening roll 3 on the upper roll box 1, or by independently adjusting the rising or falling of the lower straightening roll 4 on the lower roll box 2, or by simultaneously adjusting the rising or falling of the upper straightening roll 3 on the upper roll box 1 and the lower straightening roll 4 on the lower roll box 2. Only the raising or lowering adjustment of the lower straightening roll 4 will be described here: when a piston rod of the hydraulic cylinder 11 extends, the third wedge block 9 is driven to horizontally move leftwards along the second guide groove, and the fourth wedge block 10 positioned on the third wedge block 9 is matched with the lifting motion to further push the second mounting seat 13 to move upwards, so that the second backing bearing 12 drives the lower straightening roll 4 to lift, and the roll gap is reduced; conversely, the piston rod of the hydraulic cylinder 11 contracts and the roll gap increases. The up-down position adjustment of the upper straightening roll 3 is the same, and is not described herein again.
The utility model discloses straightener roll gap slide wedge adjusting device and multiroller straightener all is equipped with an individual first position adjustment mechanism through each last straightener roll 3 in last roller box 1, each lower straightener roll 4 in lower roller box 2 all is equipped with an individual second position adjustment mechanism, promote upper straightener roll 3 up-and-down motion through first position adjustment mechanism, promote lower straightener roll 4 up-and-down motion through second position adjustment mechanism, can realize the immersion volume regulation of single straightener roll (upper straightener roll 3 or lower straightener roll 4), and then carry out the independent control to the roll gap, this kind of control mode can make 2# or 3# straightener roll of inlet side produce great amount of reduction, make panel obtain great plastic deformation rate, redefine the initial condition of supplied materials, the curvature that produces at 2# or 3# straightener roll is greater than the curvature of supplied materials, then supplied materials will be unified into unanimous curvature after passing through this straightener roll, so that the subsequent straightening rollers can straighten the strip according to the uniform rolling reduction (immersion). The necessary reverse bending rate is obtained by accurately controlling the immersion amount of the subsequent straightening rollers, a good plate shape can be obtained by using fewer straightening rollers, and the structural design of the part of the device and the multi-roller straightening machine is simple and ingenious.
Other embodiments of the invention will be apparent to those skilled in the art from consideration of the specification and practice of the invention disclosed herein. This application is intended to cover any variations, uses, or adaptations of the invention following, in general, the principles of the invention and including such departures from the present disclosure as come within known or customary practice within the art to which the invention pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the invention being indicated by the following claims.
It is to be understood that the present invention is not limited to the example methods, structures, and precise structures shown in the drawings, which have been described above, and that various modifications and changes may be made without departing from the scope thereof. The scope of the present invention is limited only by the appended claims.

Claims (11)

1. The device for adjusting the wedge of the roller gap of the straightening machine comprises an upper roller box, a lower roller box, a plurality of upper straightening rollers arranged on the upper roller box and a plurality of lower straightening rollers arranged on the lower roller box, and is characterized in that a plurality of first position adjusting mechanisms used for adjusting the upper and lower positions of the upper straightening rollers are arranged on the lower surface of the upper roller box, and a plurality of second position adjusting mechanisms used for adjusting the upper and lower positions of the lower straightening rollers are arranged on the upper surface of the lower roller box.
2. The device for adjusting the gap wedge of the straightener as claimed in claim 1, wherein the first position adjusting mechanism comprises a first wedge block disposed on the lower surface of the upper roll box and a second wedge block attached to the lower surface of the first wedge block, the contact surface of the first wedge block and the second wedge block is an inclined surface inclined upward to one side, one side of the first wedge block is connected with a power mechanism, each upper straightening roll is disposed below the corresponding second wedge block, and the power mechanism drives the first wedge block to move in the horizontal direction, so that the second wedge block is changed in position in the vertical direction, thereby adjusting the vertical position of the upper straightening roll.
3. The apparatus as claimed in claim 2, wherein a plurality of first back bearings are respectively disposed between each second wedge and the corresponding upper straightening roll, the plurality of first back bearings are alternately disposed, the plurality of first back bearings are mounted on a plurality of first mounting seats, bottom plates of the plurality of first mounting seats are integrally connected, and each second wedge is vertically connected to the bottom plates of the plurality of first mounting seats.
4. The device for adjusting the roll gap wedge of the straightener as claimed in claim 2, wherein the second position adjusting mechanism comprises a third wedge block disposed on the upper surface of the lower roll box and a fourth wedge block attached to the upper surface of the third wedge block, the contact surface of the third wedge block and the fourth wedge block is an inclined surface inclined upward to one side, one side of the third wedge block is connected with a power mechanism, each lower straightening roll is disposed on the corresponding fourth wedge block, and the power mechanism drives the third wedge block to move horizontally, so that the position of the fourth wedge block is changed in the vertical direction, thereby adjusting the vertical position of the lower straightening roll.
5. The apparatus as claimed in claim 4, wherein a plurality of second back bearings are respectively disposed between each of the fourth wedges and the corresponding lower straightening roll, the plurality of second back bearings are alternately disposed, the plurality of second back bearings are mounted on a plurality of second mounting seats, bottom plates of the plurality of second mounting seats are integrally connected, and each of the fourth wedges and the bottom plates of the plurality of second mounting seats are vertically connected.
6. The leveler roll gap wedge adjusting apparatus of claim 2 or 4, wherein the power mechanism employs a hydraulic cylinder with a position sensor.
7. The roll gap wedge adjusting device of the leveler according to claim 1,
the lower surface of the upper roller box is provided with a plurality of first guide grooves, the first position adjusting mechanisms are respectively arranged in the first guide grooves, the upper surface of the lower roller box is provided with a plurality of second guide grooves, and the second position adjusting mechanisms are respectively arranged in the second guide grooves.
8. The roll gap wedge adjusting device of the leveler according to claim 1,
the number of the first position adjusting mechanisms corresponds to the number of the upper straightening rollers, and the number of the second position adjusting mechanisms corresponds to the number of the lower straightening rollers.
9. The roll gap wedge adjusting apparatus of a leveler as set forth in claim 1, wherein each of the upper leveler rolls is mounted to the upper roll cassette by an elastic connecting assembly, and each of the lower leveler rolls is mounted to the lower roll cassette by an elastic connecting assembly.
10. The roll gap wedge adjusting device of a straightening machine as claimed in claim 9, wherein bearings are respectively mounted on roll necks at two ends of each upper straightening roll and each lower straightening roll, each bearing is respectively mounted on a bearing seat, the elastic connecting assembly comprises a connecting part mounted on the bearing seat, the connecting part penetrates through the upper roll box or the lower roll box and then is connected with the stopping part, and a spring is mounted on a part of the connecting part between the upper roll box or the lower roll box and the stopping part.
11. A multi-roll leveler comprising the leveler roll gap wedge adjusting apparatus of any one of claims 1 to 10.
CN202120436276.XU 2021-03-01 2021-03-01 Roller gap wedge adjusting device of straightening machine and multi-roller straightening machine Active CN214488344U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202120436276.XU CN214488344U (en) 2021-03-01 2021-03-01 Roller gap wedge adjusting device of straightening machine and multi-roller straightening machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202120436276.XU CN214488344U (en) 2021-03-01 2021-03-01 Roller gap wedge adjusting device of straightening machine and multi-roller straightening machine

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Publication Number Publication Date
CN214488344U true CN214488344U (en) 2021-10-26

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114472594A (en) * 2021-12-29 2022-05-13 泰安华鲁锻压机床有限公司 Integrated metal plate leveling machine

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114472594A (en) * 2021-12-29 2022-05-13 泰安华鲁锻压机床有限公司 Integrated metal plate leveling machine
CN114472594B (en) * 2021-12-29 2024-03-08 泰安华鲁锻压机床有限公司 Integral type sheet metal leveler

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Effective date of registration: 20230413

Address after: 2200 Lianhua South Road, Minhang District, Shanghai 201108

Patentee after: SMS ENGINEERING (CHINA) Co.,Ltd.

Address before: 100102 18 / F, block a, volume shitiandi building, No. 50-1, Wangjing West Road, Chaoyang District, Beijing

Patentee before: XIMAKE TECHNOLOGY (BEIJING) CO.,LTD.

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