CN111229835A - Wrap angle adjustable stretch bending straightening machine - Google Patents

Wrap angle adjustable stretch bending straightening machine Download PDF

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Publication number
CN111229835A
CN111229835A CN202010044954.8A CN202010044954A CN111229835A CN 111229835 A CN111229835 A CN 111229835A CN 202010044954 A CN202010044954 A CN 202010044954A CN 111229835 A CN111229835 A CN 111229835A
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CN
China
Prior art keywords
roll
bending
roller
straightening
moving mechanism
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Granted
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CN202010044954.8A
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Chinese (zh)
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CN111229835B (en
Inventor
陈兵
唐晓垒
于铭洋
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Beijing University of Technology
University of Science and Technology Beijing USTB
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University of Science and Technology Beijing USTB
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Application filed by University of Science and Technology Beijing USTB filed Critical University of Science and Technology Beijing USTB
Priority to CN202010044954.8A priority Critical patent/CN111229835B/en
Publication of CN111229835A publication Critical patent/CN111229835A/en
Application granted granted Critical
Publication of CN111229835B publication Critical patent/CN111229835B/en
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21BROLLING OF METAL
    • B21B15/00Arrangements for performing additional metal-working operations specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21BROLLING OF METAL
    • B21B31/00Rolling stand structures; Mounting, adjusting, or interchanging rolls, roll mountings, or stand frames
    • B21B31/16Adjusting or positioning rolls
    • B21B31/20Adjusting or positioning rolls by moving rolls perpendicularly to roll axis
    • B21B31/22Adjusting or positioning rolls by moving rolls perpendicularly to roll axis mechanically, e.g. by thrust blocks, inserts for removal
    • B21B31/24Adjusting or positioning rolls by moving rolls perpendicularly to roll axis mechanically, e.g. by thrust blocks, inserts for removal by screws
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21BROLLING OF METAL
    • B21B45/00Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
    • B21B45/04Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills for de-scaling, e.g. by brushing
    • B21B45/06Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills for de-scaling, e.g. by brushing of strip material

Abstract

The invention provides a wrap angle adjustable stretch bending straightener, and belongs to the technical field of straighteners. The straightener comprises a steering roller, an inlet tensioning roller set, a roller spacing dividing ruler, a roller spacing moving lead screw cover, a lower roller spacing moving mechanism, a protective cover, an outlet tensioning roller set, a lower roller spacing moving mechanism, an upper roller spacing moving mechanism, a roller spacing indicating needle, a wedge block, a central connecting upright post, a rack, a lifter motor and a lifting synchronous connecting rod. The turning roll, the inlet tensioning roll set, the first bending roll, the middle bending roll, the straightening roll and the outlet tensioning roll set are sequentially arranged according to the running direction of the strip steel, the roll spacing moving screw rod cover and the roll spacing dividing ruler are arranged at the lower parts of the first bending roll, the middle bending roll and the straightening roll, and the roll spacing indicating needle is arranged at the upper part of the first bending roll, the middle bending roll and the straightening roll. The straightening machine can improve the scale breaking effect and the plate shape quality of the strip steel when the strip steel welding line of each specification passes through the straightening machine continuously, reduce the acid consumption of the pickling process, improve the operation efficiency of the pickling process and increase the economic benefit of enterprises.

Description

Wrap angle adjustable stretch bending straightening machine
Technical Field
The invention relates to the technical field of straightening machines, in particular to a wrap angle adjustable stretch bending straightening machine.
Background
In the cold rolling production process, a withdrawal and straightening machine plays a role in mechanical scale breaking and plate shape improvement, however, in the actual production, as the withdrawal and straightening machine produces complicated and various types of strip steel, the bearing capacity of a working roll is challenged, and particularly, when high-strength steel is produced, the tension of the strip steel is too high, so that the abrasion intensity of the working roll is increased, the roll changing of the working roll is frequent, and meanwhile, a supporting roll bearing is damaged to a certain extent; in addition, considering that the welding quality at the weld is unstable, if the straightening bending curvature is too large at the time of straightening, the weld may be broken. Therefore, in the use process of the withdrawal and straightening unit, the scale breaking effect and the capability of improving the plate shape are ensured, and the production cost such as the roller consumption of the working roller, the service life of the bearing and the like is concerned.
The arrangement form of the existing tension leveler is fixed, the scale breaking effect of the strip steel is determined only by the insertion depth of each roller system of the tension leveler equipment, and for various complicated steel types, the scale breaking effect and the plate shape improvement are realized only by the change of the insertion depth, and the tension leveler effect is not reasonable. At present, when the existing withdrawal and straightening machine equipment is used for producing complicated and diversified steel grades, the main problems are as follows: 1. the straightening and descaling capability and the plate shape improving capability are obviously different due to factors such as the plate shape, the strength and the like of the strip steel; 2. the adaptability to various complicated specifications of strip steel is poor, and the fixed roller spacing ensures that the scale breaking capacity of the withdrawal and straightening machine only meets the setting of process parameters; 3. when the withdrawal and straightening unit with fixed roller spacing is used for producing high-strength steel, the problems of serious roller system abrasion, bearing failure and the like can occur.
Disclosure of Invention
The technical problem to be solved by the invention is to provide the wrap angle adjustable stretch bending straightener which is suitable for complex strip steel specifications, improves the scale breaking effect, improves the plate shape quality, improves the pickling efficiency, reduces the abrasion of a roller system, reduces the failure probability of the service life of a bearing, improves the safety of equipment, reduces the production cost and increases the economic benefit of enterprises.
The stretch bending straightener comprises a steering roller, an inlet tensioning roller set, a roller distance dividing ruler, a roller distance moving lead screw cover, a lower roller distance moving mechanism, a protective cover, an outlet tensioning roller set, an upper roller distance moving mechanism, a roller distance indicating needle, a wedge block, a central connecting upright post, a rack, a lifter and a lifting synchronous connecting rod, wherein the steering roller, the inlet tensioning roller set, a first bending roller, a middle bending roller, a straightening roller and the outlet tensioning roller set are sequentially arranged according to the running direction of strip steel, and the distance between the roller distances can be timely adjusted according to the specification and the model of the strip steel. First bending roll, middle bending roll and straightening roll set up in the frame, the lower roll spacing moving mechanism is all connected to the lower roll box of first bending roll, middle bending roll and straightening roll, the last roll spacing moving mechanism is all connected to the last roll box of first bending roll, middle bending roll and straightening roll, the last roll spacing pointer of first bending roll and straightening roll upper portion sets up, last roll upper portion of middle bending roll is central connection stand, central connection stand top sets up the voussoir, the lift links to each other with the frame. The wedge block is controlled by a hydraulic system. When the secondary system adjusts the roll spacing according to the operation specification of the strip steel, the secondary system adopts the hydraulic wedge block for locking, thereby ensuring the precision and stability of each device and avoiding deviation.
The central connecting upright post is arranged in the middle of the frame. The central connecting upright post is used as a boundary, the left side is used as a first bending roller group, the right side is used as a straightening roller group, the distance is respectively moved to the two sides according to system setting parameters, the roller distance is adjusted, the adjusting time is shortened, and the working efficiency is improved.
Wherein, the lower parts of the lower rolls of the first bending roll, the middle bending roll and the straightening roll are provided with a roll spacing movable lead screw cover and a roll spacing dividing ruler.
The lower part of the lower roll of the first bending roll is provided with a first bending roll lower roll box, the lower part of the lower roll of the middle bending roll is provided with a middle bending roll lower roll box, and the lower part of the lower roll of the straightening roll is provided with a straightening roll lower roll box.
The part of the lower roll distance moving mechanism extending out of the machine frame is covered with a protective cover.
And a bending roll upper roll box is arranged above the upper roll of the first bending roll, and a straightening roll upper roll box is arranged above the upper roll of the straightening roll.
The elevator comprises an elevating screw rod, an elevator motor, a synchronous mechanism joint and an elevating base; the lifter is arranged on the lifting base, the lifter is connected with the joint of the synchronous mechanism, and the upper part of the motor of the lifter is connected with the lifting screw rod.
The lower roller spacing moving mechanism and the upper roller spacing moving mechanism are provided with displacement sensors, the lower roller spacing moving mechanism and the upper roller spacing moving mechanism are driven by a servo motor, and the encoder is connected with the roller spacing moving mechanism and is arranged on a roller box base. The distance-adjusting servo motor drives the lower roller distance moving mechanism and the upper roller distance moving mechanism connected with the screw rod nut to slide along the guide rail by driving the screw rod to rotate, the displacement sensor detects and feeds back the moving distance of the lifting base, and the feedback adjustment is carried out through the encoder, so that the distance adjustment between the roller systems is realized, and the device is suitable for strip steels with different specifications.
The lifter is connected to the guide rail of frame, and is fixed through hydraulic clamping device, and the lower roll below of first bending roll, middle bending roll and straightener roll respectively sets up a lift.
The first bending roll, the middle bending roll and the straightening roll are all connected to the rack in a sliding mode.
And a displacement sensor is arranged on the roller spacing indicating needle. And the roller spacing indicating needle and the roller spacing dividing ruler are used for measuring the moving distance of the roller spacing. When the technological parameters are changed, the displacement sensor detects the scales of the roll distance graduated scale, and then the corresponding parameters are changed.
The stretch bending straightener is combined with a roller spacing regulating and controlling system, the measuring and controlling system detects the specification of the strip steel, the running speed of the strip steel and the position of the welding seam of the strip steel in real time, and controls the roller system spacing regulating device to regulate when the welding seam is close to the equipment according to the position of the welding seam of the strip steel and the current running speed of the strip steel, so that the descaling effect of the strip steel is kept stable, and the quality of the welding seam cannot be damaged.
The beneficial effects of the technical scheme of the invention are as follows:
according to the scheme, the device can adapt to various strip steels with different specifications, and meanwhile, the roller system interval can be adjusted according to the position of the welding seam of the strip steel, so that damage to the welding seam quality due to overlarge insertion amount is avoided. The method has the advantages of stabilizing the scale breaking condition of the strip steel when passing through the tension leveler, improving the pickling efficiency, reducing the roller consumption of the working roller, reducing the abrasion of the bearing of the supporting roller, prolonging the service life of parts and reducing the production cost.
Drawings
FIG. 1 is a schematic structural view of a wrap angle adjustable stretch bending straightener of the present invention;
FIG. 2 is a schematic structural view of an elevator in the wrap angle adjustable stretch bending straightener of the present invention;
FIG. 3 is a schematic structural view of a lift base of the wrap angle adjustable stretch bending straightener of the present invention;
FIG. 4 is a schematic structural view of a connecting rod of an elevator of the wrap angle adjustable stretch bending leveler of the present invention.
Wherein: 1-a turning roll; 2-an inlet tensioning roller set; 3-a first bending roller lower roller box; 4-roll spacing scale; 5-bending the middle roller lower roller box; 6-moving a screw rod cover by a roller distance; 7-straightening roller lower roller box; 8-a lower roller spacing moving mechanism; 9-outlet tension roller set; 10-a protective cover; 11-an upper roll spacing moving mechanism; 12-straightening roller upper roller box; 13-a roll gap pointer; 14-a central coupling upright; 15-wedge block; 16-bending roller upper roller box; 17-a frame; 18-a lifting screw; 19-a lifter; 20-a synchronization mechanism connection; 21-elevator motor, 22-elevator base; 23-lifting synchronous connecting rod.
Detailed Description
In order to make the technical problems, technical solutions and advantages of the present invention more apparent, the following detailed description is given with reference to the accompanying drawings and specific embodiments.
The invention provides a wrap angle adjustable stretch bending straightener.
As shown in figure 1, the straightener comprises a turning roll 1, an inlet tensioning roll group 2, a roll spacing dividing ruler 4, a roll spacing moving screw rod cover 6, a lower roll spacing moving mechanism 8, a protective cover 10, an outlet tensioning roll group 9, an upper roll spacing moving mechanism 11, a roll spacing indicating needle 13, a wedge block 15, a central connecting upright post 14, a frame 17, a lifter motor 21 and a lifting synchronous connecting rod 23, wherein the turning roll 1, the inlet tensioning roll group 2, a first bending roll, a middle bending roll, a straightening roll and the outlet tensioning roll group 9 are sequentially arranged according to the running direction of strip steel, the first bending roll, the middle bending roll and the straightening roll are arranged on the frame 17, lower roll boxes of the first bending roll, the middle bending roll and the straightening roll are all connected with the lower roll spacing moving mechanism 8, upper roll boxes of the first bending roll, the middle bending roll and the straightening roll are all connected with the upper roll spacing moving mechanism 11, the upper parts of the first bending roll and the straightening roll are provided with the roll spacing indicating needle 13, the upper part of the middle bending roller is provided with a central connecting upright post 14, a wedge block 15 is arranged above the central connecting upright post 14, and as shown in figure 4, the lifter is connected with a frame 17.
Wherein, the lower parts of the lower rollers of the first bending roller, the middle bending roller and the straightening roller are provided with a roller spacing moving screw rod cover 6 and a roller spacing dividing ruler 4.
The lower part of the lower roll of the first bending roll is provided with a first bending roll lower roll box 3, the lower part of the lower roll of the middle bending roll is provided with a middle bending roll lower roll box 5, and the lower part of the lower roll of the straightening roll is provided with a straightening roll lower roll box 7.
The part of the lower roll distance moving mechanism 8 extending out of the machine frame 17 is covered with a protective cover 10.
A bending roll upper roll box 17 is arranged above the upper roll of the first bending roll, and a straightening roll upper roll box 12 is arranged above the upper roll of the straightening roll.
As shown in fig. 2 and 3, the elevator includes an elevator screw 18, an elevator motor 21, a synchronization mechanism joint 20, and an elevator base 22; the lifter 19 is arranged on the lifting base 22, the lifter 19 is connected with the synchronous mechanism joint 20, and the upper part of the lifter motor 21 is connected with the lifting screw 18.
In practical application, the upper roller system interval adjusting device comprises an upper roller interval moving mechanism, a bending roller upper roller box, a roller interval dividing ruler and a roller interval pointer. The displacement sensor is arranged on a bottom plate of the roll spacing moving mechanism; the distance adjusting servo motor drives the roller distance moving mechanism connected with the screw rod nut to slide along the guide rail by driving the screw rod to rotate, the displacement sensor detects and feeds back the moving distance of the elevator base, and the feedback adjustment is carried out through the encoder, so that the distance adjustment between roller systems is realized, and the device is suitable for strip steels of different specifications.
The steering roller is used for steering the vertically conveyed strip steel into horizontal conveying, so that the arrangement space of a production line is saved.
The inlet tension roller is adjusted according to the output power of the outlet tension roller and the set tension to provide a feedback type tension output.
The protective cover is used for protecting the roller spacing moving mechanism from dust, collision and the like, and improves the operation safety and the service life of the equipment.
The roller distance moving screw rod cover is used for ensuring good lubricating property of the screw rod during moving and preventing iron oxide powder from entering equipment to influence the use condition of the moving screw rod.
The upper roll spacing moving mechanism and the lower roll spacing moving mechanism can adjust the space between the rolls in time according to the specification and the model of the strip steel, and adapt to the production requirements of the strip steel with different specifications.
The stretch bending straightener is also provided with a detection and control device, the detection and control device is connected to a secondary system of a rolling production line, information such as the specification of strip steel of the production line, the running speed of the strip steel, the position of a welding seam and the like is acquired in real time, and a distance adjusting device between roller systems is controlled to adjust.
The lifter is connected with the guide rail and can be fixed through the hydraulic clamping device, when parameters in the secondary process system are transmitted to the servo motor, and the lifter moves for a set distance along the guide rail, the hydraulic locking device fixes the lifter base.
The upper roller system and the lower roller system of the bending roller are connected to the rack in a sliding manner, so that the convenience of maintenance, disassembly and assembly is ensured. The upper roller system and the lower roller system are matched with each other, the ejector block is located below the lower roller system, the lifting screw drives the ejector block to be ejected to the lower roller system, the lower roller system is driven to ascend, and each lower roller system is matched with one lifter.
The straightening systems (upper and lower) are connected with the bracket in a sliding way, and the bracket is arranged on the rack, so that the convenience of maintenance, disassembly and assembly is ensured. An upper roller system and a lower roller system of the straightening system are matched with each other to lift a lead screw to drive a lower roller system at the lower part of the straightening.
The roller distance indicating needle is provided with a displacement sensor, and when the pointer senses specified displacement on the roller distance dividing ruler, the movement of the pointer is stopped.
The roll gap dividing ruler is used for measuring the moving distance of the roll gap. When the technological parameters are changed, the displacement sensor stops moving after detecting the distance between the roller and the graduated scale.
The wedge block is controlled by a hydraulic system. When the secondary system indicates the roller spacing to adjust according to the operation specification of the strip steel, and after the roller spacing is adjusted, the secondary system is locked on the guide rail by adopting the hydraulic wedge block, so that the precision and stability of each device are ensured, and the deviation is avoided.
The central connecting upright post is arranged in the middle of the frame. The central connecting upright post is used as a boundary, the left side is used as a first bending roller group, the right side is used as a straightening roller group, the distance is respectively moved to the two sides according to system setting parameters, the roller distance is adjusted, the adjusting time is shortened, and the working efficiency is improved.
The frame is stably connected with each mechanism, so that the rigidity of each device is stable and the deviation is avoided when the strip steel runs.
The outlet tension roll provides output tension and power, and the smooth operation of the strip steel in the stretching and straightening is ensured.
The following description is given with reference to specific examples.
In the specific design, as shown in fig. 1, a lower roll spacing moving mechanism 8 is arranged at the bottom of a rack and can be adjusted according to the specification of strip steel so as to adapt to the strip steel with different specifications; the upper roll spacing moving mechanism 12 is arranged at the upper part of the frame and can be adjusted according to the specification of strip steel so as to adapt to the strip steel with different specifications; under the action of the lower roll spacing moving mechanism 8, the distances among the first bending roll lower roll box 3, the straightening roll lower roll box 7 and the middle bending roll lower roll box 5 are adjusted according to the specification of the strip steel; the roll spacing moving screw rod cover 6 can effectively prevent iron oxide scales on the surface of the strip steel from entering the roll spacing moving mechanism 8 of the lower roll to influence the moving precision and the moving safety; the secondary system properly adjusts each roll gap by detecting strip steel signals of different specifications, and the size of the adjustment can be detected by the roll gap dividing ruler 4 according to the roll gap indicating needle 14 and fed back to the process system.
The first bending roll and the middle bending roll form a bending roll group, and secondary parameters in a withdrawal and straightening system ensure the scale breaking effect when the strip steel passes through the withdrawal and straightening machine by indicating the insertion amount of the elevator changing bending roll group in the figure 2; the scale breaking effect of the strip steel can be improved after the strip steel is stretched and bent, and meanwhile, the surface quality of the strip steel can be improved through the straightening rollers.
And secondary parameters in the withdrawal and straightening system are transmitted to a distance adjusting servo motor through information to drive the roll distance moving mechanism to move so as to change the distance between the rolls, wherein the roll distance indicating needle 14 is used for detecting the size of the roll distance dividing ruler 4 to feed back the information to the secondary system, so that the purpose of changing the roll distance is achieved.
And the secondary system transmits withdrawal and straightening process parameter information to the elevator according to the specification of the produced strip steel, and instructs the elevator to change the insertion depth of the lower roller through the lifting screw rod.
The lifting base 22 is installed at the frame 17, and the other side of the lifting base is in contact with the lifter, so that the stability and the safety of the lifter during operation are ensured.
The lifting synchronous connecting rod 23 is connected to the synchronous connection part 20 of the lifter in fig. 2, so that the working conditions of the lifters on the two sides are kept consistent, and the lifting accuracy of the lifter is ensured.
The straightening machine can adapt to the scale breaking effect of the strip steel when the strip steel welding seams of various specifications continuously pass through the straightening machine, reduces the acid consumption of the pickling process, improves the operating efficiency of the pickling process, and increases the economic benefits of enterprises. The roller spacing can be changed according to the quality and the production speed of the welding seam, the belt breakage accident caused by the welding seam passing through the tension leveler is avoided, the operation safety of equipment is improved, the loss of parts such as a roller system and a bearing is reduced, and the production cost of an enterprise is reduced. Meanwhile, the roll spacing can be adjusted timely according to the quality of the strip shape of the strip steel, the quality of the strip shape is improved, the quality of finished products is improved, and the enterprise income is increased.
While the foregoing is directed to the preferred embodiment of the present invention, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention as defined in the appended claims.

Claims (10)

1. The utility model provides a stretch bending straightener with adjustable cornerite which characterized in that: comprises a steering roll (1), an inlet tensioning roll set (2), a roll distance dividing ruler (4), a roll distance moving lead screw cover (6), a lower roll distance moving mechanism (8), a protective cover (10), an outlet tensioning roll set (9), an upper roll distance moving mechanism (11), a roll distance indicating needle (13), a wedge block (15), a central connecting upright post (14), a rack (17), a lifter (19), a lifter motor (21) and a lifting synchronous connecting rod (23), wherein the steering roll (1), the inlet tensioning roll set (2), a first bending roll, a middle bending roll, a straightening roll and an outlet tensioning roll set (9) are sequentially arranged according to the running direction of strip steel, the first bending roll, the middle bending roll and the straightening roll are arranged on the rack (17), lower roll distance moving mechanisms (8) are respectively connected with lower rolls of the first bending roll, the middle bending roll and the straightening roll, and the first bending roll, The upper roll boxes of the middle bending roll and the straightening roll are connected with an upper roll pitch moving mechanism (11), the upper roll pitch indicating needles (13) are arranged on the upper portions of the upper rolls of the first bending roll and the straightening roll, a central connecting upright column (14) is arranged on the upper portion of the upper roll of the middle bending roll, wedge blocks (15) are arranged above the central connecting upright column (14), and a lifter (19) is connected with a rack (17).
2. The wrap angle adjustable stretch bending straightener of claim 1, characterized in that: and the lower parts of the lower rollers of the first bending roller, the middle bending roller and the straightening roller are provided with a roller spacing moving screw rod cover (6) and a roller spacing dividing ruler (4).
3. The wrap angle adjustable stretch bending straightener of claim 1, characterized in that: the lower part of the lower roll of the first bending roll is provided with a first bending roll lower roll box (3), the lower part of the lower roll of the middle bending roll is provided with a middle bending roll lower roll box (5), and the lower part of the lower roll of the straightening roll is provided with a straightening roll lower roll box (7).
4. The wrap angle adjustable stretch bending straightener of claim 1, characterized in that: the part of the lower roll distance moving mechanism (8) extending out of the machine frame (17) is covered with a protective cover (10).
5. The wrap angle adjustable stretch bending straightener of claim 1, characterized in that: and a bending roll upper roll box (16) is arranged above the upper roll of the first bending roll, and a straightening roll upper roll box (12) is arranged above the upper roll of the straightening roll.
6. The wrap angle adjustable stretch bending straightener of claim 1, characterized in that: the lifting machine (19) comprises a lifting screw rod (18), a lifting motor (21), a synchronous mechanism joint (20) and a lifting base (22), the lifting machine (19) is installed on the lifting base (22), the lifting machine (19) is connected with the synchronous mechanism joint (20), and the upper part of the lifting motor (21) is connected with the lifting screw rod (18).
7. The wrap angle adjustable stretch bending straightener of claim 1, characterized in that: the lower roll distance moving mechanism (8) and the upper roll distance moving mechanism (11) are provided with displacement sensors, the distance adjusting servo motor drives the lower roll distance moving mechanism (8) and the upper roll distance moving mechanism (11) which are connected with a screw nut to slide along the guide rail by driving a screw rod to rotate, the displacement sensors detect and feed back the moving distance of the lifting base, and the feedback adjustment is carried out through an encoder, so that the distance adjustment between roll systems is realized, and the device is suitable for strip steels with different specifications.
8. The wrap angle adjustable stretch bending straightener of claim 1, characterized in that: the lifter is connected to a guide rail of the rack (17) and fixed through a hydraulic clamping device, and the lifter is arranged below the lower rollers of the first bending roller, the middle bending roller and the straightening roller respectively.
9. The wrap angle adjustable stretch bending straightener of claim 1, characterized in that: the first bending roll, the middle bending roll and the straightening roll are all connected to the rack (17) in a sliding mode.
10. The wrap angle adjustable stretch bending straightener of claim 1, characterized in that: and the roller spacing indicating needle (13) is provided with a displacement sensor.
CN202010044954.8A 2020-01-15 2020-01-15 Wrap angle adjustable stretch bending straightening machine Active CN111229835B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010044954.8A CN111229835B (en) 2020-01-15 2020-01-15 Wrap angle adjustable stretch bending straightening machine

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Application Number Priority Date Filing Date Title
CN202010044954.8A CN111229835B (en) 2020-01-15 2020-01-15 Wrap angle adjustable stretch bending straightening machine

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CN111229835A true CN111229835A (en) 2020-06-05
CN111229835B CN111229835B (en) 2021-03-05

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Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4539830A (en) * 1982-09-15 1985-09-10 Bwg Bergwerk-Und Walzwerk-Maschinenbau Gmbh System for making thin metal strip
US5829287A (en) * 1995-03-14 1998-11-03 Bwg Bergwerk- Und Walzwerkmaschinenbau Gmbh Method for continuously leveling thin metal
US20030126903A1 (en) * 2001-12-27 2003-07-10 Helene Lagace Method for continuous tension leveling of aluminum strip
CN202570864U (en) * 2012-05-11 2012-12-05 浙江东南金属薄板有限公司 Withdrawal and straightening unit
CN103406354A (en) * 2013-09-02 2013-11-27 北京科技大学 Cold-rolled steel strip stretch bending straightening machine with simple roll shifting function
CN204735564U (en) * 2015-04-27 2015-11-04 杭州新永丰钢业有限公司 Wet -type stretching -bending straightener
CN105170666A (en) * 2015-10-30 2015-12-23 中冶赛迪工程技术股份有限公司 Tension-leveling and descaling machine
CN209550285U (en) * 2018-12-14 2019-10-29 杭州恒创机电有限公司 A kind of dry type scale breading withdrawal straightening machine

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4539830A (en) * 1982-09-15 1985-09-10 Bwg Bergwerk-Und Walzwerk-Maschinenbau Gmbh System for making thin metal strip
US5829287A (en) * 1995-03-14 1998-11-03 Bwg Bergwerk- Und Walzwerkmaschinenbau Gmbh Method for continuously leveling thin metal
US20030126903A1 (en) * 2001-12-27 2003-07-10 Helene Lagace Method for continuous tension leveling of aluminum strip
CN202570864U (en) * 2012-05-11 2012-12-05 浙江东南金属薄板有限公司 Withdrawal and straightening unit
CN103406354A (en) * 2013-09-02 2013-11-27 北京科技大学 Cold-rolled steel strip stretch bending straightening machine with simple roll shifting function
CN204735564U (en) * 2015-04-27 2015-11-04 杭州新永丰钢业有限公司 Wet -type stretching -bending straightener
CN105170666A (en) * 2015-10-30 2015-12-23 中冶赛迪工程技术股份有限公司 Tension-leveling and descaling machine
CN209550285U (en) * 2018-12-14 2019-10-29 杭州恒创机电有限公司 A kind of dry type scale breading withdrawal straightening machine

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