CN114147074A - Multifunctional threading guide plate table for cold rolling mill - Google Patents
Multifunctional threading guide plate table for cold rolling mill Download PDFInfo
- Publication number
- CN114147074A CN114147074A CN202210006699.7A CN202210006699A CN114147074A CN 114147074 A CN114147074 A CN 114147074A CN 202210006699 A CN202210006699 A CN 202210006699A CN 114147074 A CN114147074 A CN 114147074A
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- ball screw
- frame body
- gear
- swing
- centering
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- 238000005097 cold rolling Methods 0.000 title claims abstract description 18
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 19
- 239000010959 steel Substances 0.000 claims abstract description 19
- 238000006073 displacement reaction Methods 0.000 claims abstract description 10
- 230000005540 biological transmission Effects 0.000 claims abstract description 9
- 229920002635 polyurethane Polymers 0.000 claims description 12
- 239000004814 polyurethane Substances 0.000 claims description 12
- 229920001971 elastomer Polymers 0.000 claims description 11
- 229920000915 polyvinyl chloride Polymers 0.000 claims description 8
- 239000004800 polyvinyl chloride Substances 0.000 claims description 8
- 238000004804 winding Methods 0.000 claims description 8
- 238000009434 installation Methods 0.000 claims description 4
- 230000003287 optical effect Effects 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000012423 maintenance Methods 0.000 abstract description 2
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B39/00—Arrangements for moving, supporting, or positioning work, or controlling its movement, combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
- B21B39/14—Guiding, positioning or aligning work
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Registering, Tensioning, Guiding Webs, And Rollers Therefor (AREA)
Abstract
The multifunctional threading guide plate table for the cold rolling mill comprises a swing frame body, a swing hydraulic cylinder, a displacement sensor, a base, a centering guide roller mechanism, a hydraulic motor, a gear transmission mechanism and a ball screw mechanism, wherein the base is fixed on a foundation, the swing hydraulic cylinder is fixed on the base, the swing frame body is hinged with the head of a piston rod of the swing hydraulic cylinder, the displacement sensor is installed on the swing hydraulic cylinder, the ball screw mechanism is a nut ball screw pair, and two ends of a ball screw are installed on the left side surface and the right side surface of the swing frame body and are positioned at the middle front part of the swing frame body; two gears of the gear transmission mechanism are respectively arranged on the hydraulic motor and the ball screw, and the centering guide roller mechanism is connected with a nut of the ball screw mechanism. The beneficial effects are that: the length of the unit is reduced, the yield of the unit is improved, the maintenance is simple and convenient, the distance between the centering guide rollers is adjustable, the adjustment is carried out according to the width of the strip steel, the strip steel is kept in the middle position of the unit, and the centering performance is good; the surface of the strip steel can be effectively prevented from being scratched; the application range is wide.
Description
Technical Field
The invention belongs to the technical field of metallurgy, and particularly relates to a cold rolling mill assembly centering device and a threading guide plate table technology in the field of steel rolling.
Background
In the cold rolling mill train of the prior art, the centering device and the threading shoe table are arranged separately, and both the centering device and the threading shoe table are independent parts in the composition of the cold rolling mill train. The defects of the prior art are as follows: the length of the unit arrangement is long, and the surface of the guide plate table is easy to scratch the surface of the strip steel.
Disclosure of Invention
The invention aims to provide a multifunctional threading guide plate table for a cold rolling mill, which can reduce the length of a unit, improve the yield of the unit and solve the problem that the surface of a strip is easy to scratch while ensuring the quick threading and centering of the unit.
The technical scheme of the invention is as follows: a multi-functional threading guide plate platform for cold rolling mill, including swing support body 5, swing hydraulic cylinder, displacement sensor and base, the base is fixed on the basis, be equipped with the pivot frame of taking the pivot above the base, swing hydraulic cylinder's cylinder body is fixed on the base, swing hydraulic cylinder's tailpiece of the piston rod portion is equipped with the ball pivot earrings, the swing support body is square welding frame, the anterior tailpiece of the piston rod portion ball pivot earrings with swing hydraulic cylinder is articulated to be connected in the swing support body, the nearly reel end of swing support body is the front end, the front end of swing support body is equipped with the lining rubber roll, the far away reel end of swing support body is the rear end, the rear end of swing support body is equipped with the shaft hole, the shaft hole of swing support body rear end is installed in the pivot of base pivot frame, can revolute the hub rotation, the higher authority of swing support body is the belted steel glide plane, displacement sensor installs on swing hydraulic cylinder, its characterized in that: the swing frame body is further provided with a centering device, the centering device comprises a centering guide roller mechanism, a hydraulic motor, a gear transmission mechanism and a ball screw mechanism, the ball screw mechanism is a nut-ball screw pair and comprises a ball screw and a nut, the ball screw is a long shaft, the long shaft is divided into a plurality of sections, an end section, a thread section, a gear mounting section and a middle section are sequentially arranged from two axial center lines of the shaft, the shaft surface of the thread section is provided with threads, the end section, the gear mounting section and the middle section are optical axes, the ball screw is bilaterally symmetrical by taking the axial center line of the ball screw as a symmetrical axis, and the spiral directions of the threads on the thread sections on two sides of the symmetrical axis of the ball screw are opposite; the nut is screwed on the threaded section of the ball screw and moves in a rotating way along the threaded section; the end sections at the two ends of the ball screw are arranged on the left side surface and the right side surface of the swing frame body through bearings and are positioned at the middle front part of the swing frame body; the centering guide roller mechanism comprises a centering guide roller base, a centering guide roller and a mandrel, wherein the centering guide roller base is a square box body, the front wall and the rear wall of the square box body are provided with holes, the square box body is sleeved on a nut of a ball screw through the holes and is fixedly connected with the nut, the front surface of a top plate of the square box body extends out of the front wall of the box body, the top surface of the square box body is flush with the upper surface of the swinging frame body, two side walls of the square box body are provided with guide keys 1, the swinging frame body corresponding to the guide keys is provided with guide key grooves, and the guide keys on the box body are arranged in the guide key grooves and can slide along the key grooves; the mandrel is a round shaft, the lower end of the mandrel is vertically fixed in the middle of the part, extending out of the front wall of the box body, of the top plate of the square box body, the upper end of the mandrel is fixed on a cross beam of the guide roller bracket, and the centering guide roller is installed on the mandrel through a ball bearing; gear drive includes gear I and gear II, gear II passes through gear key I and installs on the gear installation section of ball axial centerline one side, gear I passes through gear key II and installs on hydraulic motor's output shaft, and gear I and gear II mesh mutually, hydraulic motor fixed mounting is located centering deflector roll base below on the swing support body.
The invention discloses a multifunctional threading guide plate table for a cold rolling mill, which is characterized in that: the steel strip sliding surface area on the swing frame body is laid with a polyvinyl chloride lining plate, the polyurethane lining plate I is laid on the front portion of the centering guide roller, the polyurethane lining plate II is laid on the rear portion of the centering guide roller, and the thickness of the polyurethane lining plate is 10-15 mm.
The invention discloses a multifunctional threading guide plate table for a cold rolling mill, which is characterized in that: the rubber lining roller at the front end of the swing frame body is a roller with the surface laid with polyvinyl chloride rubber lining, and the thickness of the polyvinyl chloride rubber lining is 10-15 mm.
The working principle of the invention is as follows: the centering guide roller device is integrated on the threading guide plate table, and has the functions of threading guide plates and centering. When the threading guide plate table works, the control system controls the swing hydraulic cylinder to swing according to signals calculated and output by the displacement sensor, the swing frame body is driven to rotate around a rotating shaft on the base, the guide plate table is enabled to swing to the jaw position of the winding drum rapidly, strip steel is aligned to the jaw of the winding drum, the strip steel smoothly enters the jaw, before the jaw of the winding drum is clamped, the centering device is driven by a hydraulic motor, the hydraulic motor drives a gear I to rotate, the gear I is meshed with a gear II, the gear I drives the gear II to rotate, the gear II is connected with a ball screw through a key, two ends of the ball screw are axially fixed on the swing frame body, the gear II rotates forwards and reversely, the ball screw is driven to rotate forwards and reversely around the axis of the gear II, the ball screw moves forwards and reversely, the nut moves transversely and leftwards and rightwards along the axial direction of the ball screw, the left and right movement of the nut drives the centering guide roller seat and the guide roller to move transversely, the screw directions of the screw thread sections on both sides of the symmetrical axis of the ball screw are opposite, so that the moving directions of the guide roller bases and the guide rollers on both sides are opposite, namely the guide rollers move towards the direction of the central line simultaneously or move towards both ends simultaneously, the actions are synchronous, the guide rollers on both sides are respectively in an open state or a closed state, and the centering guide rollers can be controlled to center the strip steel according to the width of the strip steel. Because the guide key is arranged on the centering guide roller seat, the guide roller seats on two sides can move smoothly without blockage under the guide action of the guide key and the guide groove when the centering guide roller seat moves.
The invention has the beneficial effects that:
1. the centering device is integrated on the threading guide plate table, so that the length of the unit is reduced, the yield of the unit is improved, and the maintenance is simple and convenient.
2. The centering device is arranged in the middle of the guide plate table and driven by a hydraulic motor, the gear transmission system is used for transmission, the ball screw synchronization system ensures that the centering guide rollers on two sides synchronously move inwards or outwards, the distance between the centering guide rollers on two sides can be adjusted according to the width of the strip steel, the strip steel is kept in the middle position of the unit after passing through the centering guide rollers, and the centering performance is good.
3. The rubber-lined rollers and the polyurethane lining plates are additionally arranged on the guide plate table, so that the rapid threading and rapid centering of a unit are ensured, and the surface scratch of the strip steel can be effectively avoided.
4. The method can be applied to a multi-roller cold rolling unit, can also be popularized and applied to a single-frame cold rolling unit, and has wide application range.
Drawings
FIG. 1 is a front view of the structure of the multi-functional threading guide plate table for the cold rolling mill of the present invention
FIG. 2 is a schematic sectional view A-A of FIG. 1
FIG. 3 is a schematic view of a ball screw
FIG. 4 is a partial schematic view of a gear transmission
FIG. 5 is a schematic sectional view of the centering roller mechanism
In the figure, 1-winding drum, 2-rubber-lined roller, 3-centering guide roller, 4-strip steel, 5-swing frame body, 6-steering roller, 7-hydraulic cylinder, 8-base, 9-displacement sensor, 10-hydraulic motor, 11-gear key I, 12-gear I, 13-gear II, 14-gear key II, 15-ball screw, 15-1-end section, 15-2-thread section, 15-3-gear installation section, 15-4-middle section, 16-nut, 17-centering guide roller seat, 18-guide key, 19-polyurethane lining plate I, 20-polyurethane lining plate II and 21-mandrel.
Detailed Description
The invention is further described below with reference to the following figures and specific examples.
A multifunctional threading guide plate table for a cold rolling mill comprises a swing frame body 5, a swing hydraulic cylinder 7, a displacement sensor 9, a base 8 and a centering device, wherein the base 8 is fixed on a foundation, a rotating shaft frame with a rotating shaft is arranged on the base 8, a cylinder body of the swing hydraulic cylinder 7 is fixed on the base 8, a piston rod end part of the swing hydraulic cylinder 7 is provided with a ball hinge lug ring, the swing frame body 5 is a square welding frame, the middle front part of the swing frame body 5 is hinged and connected with the ball hinge lug ring at the piston rod end part of the swing hydraulic cylinder 7, the end, close to a winding drum 1, of the swing frame body 5 is the front end, the front end of the swing frame body 5 is provided with a rubber lining roller 2, the surface of the rubber lining roller 2 is laid with polyvinyl chloride lining rubber with the thickness of 10-15 mm, the end, far from the winding drum 1, of the swing frame body 5 is the rear end, the rear end of the swing frame body 5 is provided with a shaft hole, the shaft hole at the rear end of the swing frame body 5 is arranged on the rotating shaft frame of the base 8, can rotate around a rotating shaft, a sliding surface of the strip steel 4 is arranged on the swing frame body 5, a displacement sensor 9 is arranged on a swing hydraulic cylinder 7, the centering device comprises a centering guide roller mechanism, a hydraulic motor 10, a gear transmission mechanism and a ball screw mechanism, the ball screw mechanism is a nut ball screw pair and comprises a ball screw 15 and a nut 16, the ball screw 15 is a long shaft, the long shaft is divided into a plurality of sections, an end section 15-1, a thread section 15-2, a gear mounting section 15-3 and a middle section 15-4 are sequentially arranged from the axial center lines of two ends of the shaft respectively, a thread is arranged on the axial surface of the thread section 15-2, the end section 15-1, the gear mounting section 15-3 and the middle section 15-4 are optical axes, the ball screw 15 is bilaterally symmetrical by taking the axial center line of the ball screw 15 as a symmetrical axis, and the screw directions of the threads on the thread section 15-2 on two sides of the symmetrical axis of the ball screw are opposite; the nut 16 is screwed on the thread section 15-2 of the ball screw and moves along the thread section in a rotating way; the end sections 15-1 at the two ends of the ball screw 15 are arranged on the left side surface and the right side surface of the swing frame body 5 through bearings and are positioned at the middle front part of the swing frame body 5; the centering guide roller mechanism comprises a centering guide roller base 17, a centering guide roller 3 and a mandrel 21, the centering guide roller base 17 is a square box body, holes are formed in the front wall and the rear wall of the square box body, a through hole of the square box body is sleeved on a nut 16 of a ball screw 15 and fixedly connected with the nut 16, the front surface of a top plate of the square box body extends out of the front wall of the box body, the top surface of the square box body is flush with the upper surface of the swing frame body 5, guide keys 18 are arranged on two side walls of the square box body, guide key grooves are formed in the swing frame body 5 corresponding to the positions of the guide keys, and the guide keys 18 on the box body are arranged in the guide key grooves and can slide along the key grooves; the mandrel 21 is a round shaft, the lower end of the mandrel 21 is vertically fixed in the middle of the part, extending out of the front wall of the box body, of the top plate of the square box body, the upper end of the mandrel 21 is fixed on a cross beam of the guide roller bracket, and the centering guide roller 3 is installed on the mandrel 21 through a ball bearing; the gear transmission mechanism comprises a gear I12 and a gear II 13, the gear II 13 is installed on a gear installation section 15-3 on one side of the axial center line of the ball screw through a gear key II 14, a gear I12 is installed on an output shaft of the hydraulic motor 9 through a gear key I11, the gear I12 is meshed with the gear II 13, and the hydraulic motor 9 is fixedly installed on the swing frame body 5 and located below the centering guide roller base 17. The sliding surface area of the strip steel 4 on the swing frame body 5 is laid with a polyvinyl chloride lining plate, the polyurethane lining plate I19 is laid at the front part of the centering guide roller 3, the polyurethane lining plate II20 is laid at the rear part of the centering guide roller 3, and the thickness of the polyurethane lining plate is 10-15 mm.
The examples were used in a twenty-high reversible cold rolling mill train.
Claims (3)
1. A multifunctional threading guide plate table for a cold rolling mill comprises a swinging frame body (5), a swinging hydraulic cylinder (7), a displacement sensor (9) and a base (8), wherein the base (8) is fixed on a basis, a rotating shaft frame with a rotating shaft is arranged on the base (8), a cylinder body of the swinging hydraulic cylinder (7) is fixed on the base (8), a piston rod end part of the swinging hydraulic cylinder (7) is provided with a spherical hinge lug ring, the swinging frame body (5) is a square welding frame, the middle front part of the swinging frame body (5) is hinged and connected with the spherical hinge lug ring at the piston rod end part of the swinging hydraulic cylinder (7), the end, close to a winding drum (1), of the swinging frame body (5) is the front end, the front end of the swinging frame body (5) is provided with a rubber lining roller (2), the end, the far winding drum (1) end of the swinging frame body (5) is the rear end, the rear end of the swinging frame body (5) is provided with a shaft hole, the shaft hole at the rear end of the swinging frame body (5) is arranged on the rotating shaft on the base (8), can revolute the rotation of axes, the higher authority of swing support body (5) is belted steel (4) glide plane, and displacement sensor (9) are installed on swing hydraulic cylinder (7), its characterized in that: the swing frame body (5) is also provided with a centering device, the centering device comprises a centering guide roller mechanism, a hydraulic motor (10), a gear transmission mechanism and a ball screw mechanism, the ball screw mechanism is a nut ball screw pair and comprises a ball screw (15) and a nut (16), the ball screw (15) is a long shaft which is divided into a plurality of sections, an end section (15-1), a thread section (15-2), a gear mounting section (15-3) and a middle section (15-4) are sequentially arranged from two ends of the shaft to the central line, the axial surface of the thread section (15-2) is provided with threads, the end section (15-1), the gear mounting section (15-3) and the middle section (15-4) are optical axes, the ball screw (15) is bilaterally symmetrical by taking the axial center line of the ball screw (15) as a symmetrical axis, and the thread directions of the threads on the thread section (15-2) on the two sides of the symmetrical axis of the ball screw are opposite; the nut (16) is screwed on the threaded section (15-2) of the ball screw and moves in a rotating way along the threaded section; end sections (15-1) at two ends of the ball screw (15) are arranged on the left side surface and the right side surface of the swing frame body (5) through bearings and are positioned in the middle front part of the swing frame body (5); the centering guide roller mechanism comprises a centering guide roller base (17), a centering guide roller (3) and a mandrel (21), the centering guide roller base (17) is a square box body, holes are formed in the front wall and the rear wall of the square box body, a square box body through hole is sleeved on a nut (16) of a ball screw (15) and fixedly connected with the nut (16), the front surface of a top plate of the square box body extends out of the front wall of the box body, the top surface of the square box body is flush with the upper surface of a swinging frame body (5), guide keys (18) are arranged on two side walls of the square box body, guide key grooves are formed in the swinging frame body (5) corresponding to the guide keys, and the guide keys (18) on the box body are arranged in the guide key grooves and can slide along the key grooves; the mandrel (21) is a round shaft, the lower end of the mandrel (21) is vertically fixed in the middle of the part, extending out of the front wall of the box body, of the top plate of the square box body, the upper end of the mandrel (21) is fixed on a cross beam of the guide roller bracket, and the centering guide roller (3) is installed on the mandrel (21) through a ball bearing; gear drive includes gear I (12) and gear II (13), gear II (13) are installed on gear installation section (15-3) of ball axial centerline one side through gear key II (14), gear I (12) are installed on the output shaft of hydraulic motor (9) through gear key I (11), and gear I (12) and gear II (13) mesh mutually, hydraulic motor (9) fixed mounting is on swing support body (5), is located centering deflector roll base (17) below.
2. The multi-functional threading shoe table for cold-rolling mills of claim 1, characterized in that: a polyvinyl chloride lining plate is laid on the sliding surface area of the strip steel (4) on the swing frame body (5), a polyurethane lining plate I (19) is laid on the front portion of the centering guide roller (3), a polyurethane lining plate II (20) is laid on the rear portion of the centering guide roller (3), and the thickness of the polyurethane lining plate is 10-15 mm.
3. The multi-functional threading shoe table for cold-rolling mills of claim 2, characterized in that: the rubber lining roller (2) at the front end of the swing frame body (5) is a roller with the surface laid with polyvinyl chloride lining rubber, and the thickness of the polyvinyl chloride lining rubber is 10-15 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210006699.7A CN114147074A (en) | 2022-01-05 | 2022-01-05 | Multifunctional threading guide plate table for cold rolling mill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210006699.7A CN114147074A (en) | 2022-01-05 | 2022-01-05 | Multifunctional threading guide plate table for cold rolling mill |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114147074A true CN114147074A (en) | 2022-03-08 |
Family
ID=80450136
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210006699.7A Pending CN114147074A (en) | 2022-01-05 | 2022-01-05 | Multifunctional threading guide plate table for cold rolling mill |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114147074A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10137846A (en) * | 1996-11-06 | 1998-05-26 | Mitsubishi Heavy Ind Ltd | Band steel coiler for hot rolling equipment |
| CN200960523Y (en) * | 2006-07-28 | 2007-10-17 | 中色科技股份有限公司 | Mobile oil shielding curtain device for aluminum strip rolling mill |
| CN101947562A (en) * | 2010-10-22 | 2011-01-19 | 天津津重重工机器设备制造有限公司 | Guiding equipment for rolling mill |
| CN102114494A (en) * | 2010-12-20 | 2011-07-06 | 河北文丰钢铁有限公司 | Movable guide |
| CN203221084U (en) * | 2013-03-28 | 2013-10-02 | 宁波宝新不锈钢有限公司 | Swinging type winding alignment device for band-steel winding machine |
| CN204638729U (en) * | 2015-04-27 | 2015-09-16 | 中国重型机械研究院股份公司 | The flexible guide and guards of the adaptive double speed of width of mill |
| CN206588424U (en) * | 2017-03-10 | 2017-10-27 | 中国重型机械研究院股份公司 | A kind of centering of strip steel device of driving |
| CN108906886A (en) * | 2018-08-28 | 2018-11-30 | 中国重型机械研究院股份公司 | It is a kind of can lateral conditioning strip material online centralising device and method |
-
2022
- 2022-01-05 CN CN202210006699.7A patent/CN114147074A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10137846A (en) * | 1996-11-06 | 1998-05-26 | Mitsubishi Heavy Ind Ltd | Band steel coiler for hot rolling equipment |
| CN200960523Y (en) * | 2006-07-28 | 2007-10-17 | 中色科技股份有限公司 | Mobile oil shielding curtain device for aluminum strip rolling mill |
| CN101947562A (en) * | 2010-10-22 | 2011-01-19 | 天津津重重工机器设备制造有限公司 | Guiding equipment for rolling mill |
| CN102114494A (en) * | 2010-12-20 | 2011-07-06 | 河北文丰钢铁有限公司 | Movable guide |
| CN203221084U (en) * | 2013-03-28 | 2013-10-02 | 宁波宝新不锈钢有限公司 | Swinging type winding alignment device for band-steel winding machine |
| CN204638729U (en) * | 2015-04-27 | 2015-09-16 | 中国重型机械研究院股份公司 | The flexible guide and guards of the adaptive double speed of width of mill |
| CN206588424U (en) * | 2017-03-10 | 2017-10-27 | 中国重型机械研究院股份公司 | A kind of centering of strip steel device of driving |
| CN108906886A (en) * | 2018-08-28 | 2018-11-30 | 中国重型机械研究院股份公司 | It is a kind of can lateral conditioning strip material online centralising device and method |
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Application publication date: 20220308 |