CN112474885A - Leveler based on double-speed adjustment rolling reduction - Google Patents
Leveler based on double-speed adjustment rolling reduction Download PDFInfo
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- CN112474885A CN112474885A CN202011334737.9A CN202011334737A CN112474885A CN 112474885 A CN112474885 A CN 112474885A CN 202011334737 A CN202011334737 A CN 202011334737A CN 112474885 A CN112474885 A CN 112474885A
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- worm
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- leveling
- speed
- pull rod
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D1/00—Straightening, restoring form or removing local distortions of sheet metal or specific articles made therefrom; Stretching sheet metal combined with rolling
- B21D1/02—Straightening, restoring form or removing local distortions of sheet metal or specific articles made therefrom; Stretching sheet metal combined with rolling by rollers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C51/00—Measuring, gauging, indicating, counting, or marking devices specially adapted for use in the production or manipulation of material in accordance with subclasses B21B - B21F
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- Straightening Metal Sheet-Like Bodies (AREA)
Abstract
The invention discloses a leveling machine based on double-speed adjustment of screw-down amount, which comprises a fixed lower beam and a movable upper beam connected to the four-corner end of the top of the fixed lower beam through four pull rods, wherein an upper row of leveling rollers and a lower row of leveling rollers which are matched are respectively arranged between the movable upper beam and the fixed lower beam; the worm gear and worm transmission pressure regulating device comprises a worm gear, a worm and a double-speed reducer; the double-speed reducer is provided with a high-speed gear and a low-speed gear, and the double-speed reducer is driven by the alternating current motor to rotate so as to raise the worm wheel or lower the position of the worm wheel relative to the worm, and further adjust the vertical distance H between the upper leveling roller and the lower leveling roller. The leveling machine based on the double-speed adjustment of the rolling reduction has the advantages of good adjustment stability, accurate distance adjustment, high efficiency and short debugging time, and can give an alarm in real time during debugging, thereby achieving the technical purpose of improving the efficiency and the precision of the pull rod for adjusting the height and the speed.
Description
Technical Field
The invention relates to the technical field of a leveling machine, in particular to a leveling machine capable of adjusting the rolling reduction based on double speed.
Background
In the existing roller leveler, leveling rollers and roller systems of a supporting mechanism (including a middle roller) are respectively arranged on a movable upper beam and a fixed lower beam, stand columns are respectively arranged at four corners of two ends of the movable upper beam and the fixed lower beam, end beams are designed among the stand columns, and the four stand columns bear all leveling pressure. In order to make up for the lack of rigidity of the upright column, a large-scale roller leveler generally arranges a longitudinal connecting beam above the movable upper beam and between the beams at two ends, and then adds a stud connecting end beam and a fixed lower beam in the upright column to strengthen the rigidity. And a pressing power mechanism of the movable upper beam and the upper leveling roll system is arranged in the middle of the end beam. Usually, a worm gear drives a screw rod to lift, and the screw rod lifts to drive a movable upper beam to lift on the inner side of an upright post. The existing technical problems are as follows: when the leveling machine does not adjust the pressing amount in the leveling state, the high-strength plate cannot be bitten, the corrected pressure received by the corrected plate in the leveling process is small, the stress of the plate is not fully released, and one-time leveling cannot be realized.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides a double-speed reducer of a worm gear and worm transmission pressure regulating device, which is used for carrying out variable speed regulation on a worm to regulate the relative distance between a worm gear and the worm, wherein the double-speed reducer is provided with a high-speed gear and a low-speed gear, and when the distance between an upper leveling roller and a lower leveling roller of a leveling machine is not suitable, so that a plate passing through the two rollers does not obtain enough pressing force or the pressing force between the upper leveling roller and the lower leveling roller is too large, the double-speed reducer can be used for carrying out exemplified regulation on the two rollers by using the high gear and the low-speed gear so as to press the leveling machine which is used for leveling the plate and is arranged.
The technical scheme adopted by the invention is as follows: the leveler based on double-speed adjustment of the rolling reduction comprises a fixed lower beam and a movable upper beam connected with the four-corner end of the top of the fixed lower beam through four pull rods, wherein an upper row of leveling rollers and a lower row of leveling rollers are respectively arranged between the movable upper beam and the fixed lower beam in a matched manner,
the top of each pull rod is connected with the movable upper beam, and the bottom of each pull rod is fixed with a worm gear transmission pressure regulating device;
the worm and gear transmission pressure regulating device comprises a worm gear, a worm and a double-speed reducer, wherein the worm gear is connected to the bottom of the pull rod in a threaded fit manner, the worm is in meshing transmission with the worm gear, and the double-speed reducer is used for driving the worm to perform variable speed transmission;
the double-speed reducer is provided with a high-speed gear and a low-speed gear, and is driven to rotate by the alternating current motor so as to raise a worm wheel or lower the position of the worm wheel relative to a worm, further adjust the vertical distance of the movable upper beam relative to the fixed lower beam, and finally adjust the vertical distance H between the upper row of leveling rollers and the lower row of leveling rollers.
Preferably, each two-speed reducer of the leveling machine is connected with two worms through a three-way shaft, so that one two-speed reducer is used for driving the two worms to simultaneously adjust the heights of the upper leveling roller and the lower leveling roller on the same side.
Preferably, the worm gear and worm transmission pressure regulating device of the leveling machine further comprises a worm gear transmission box used for packaging the connection part of the worm gear and the worm, and meanwhile, the pull rod corresponding to the worm gear is also inserted into the worm gear box.
Preferably, each worm gear box is of a closed structure, and the interior thereof is immersed in lubricating oil to soak the bottom of the tie rod, the worm and the worm wheel.
Preferably, at least one grating ruler and/or resistance ruler is/are arranged in the vertical distance H direction between the upper leveling roller and the lower leveling roller of the leveling machine and used for measuring the ascending or descending stroke of the movable upper beam;
and the grating ruler and/or the resistance ruler are respectively connected with the double-speed reducer by a PLC control device and are used for realizing the accurate measurement of the vertical distance H between the upper row of leveling rollers and the lower row of leveling rollers.
Preferably, the PLC control device of the leveler is further connected to a display device, a storage device, and an input device, wherein:
the input device is used for inputting the stroke of the pull rod to be adjusted downwards and the plate thickness parameter corresponding to the adjusted stroke;
the display device is used for displaying the information input by the input device and the distance information detected by the grating ruler and/or the resistance ruler in real time;
and the storage device is used for storing the stroke of the pull rod required to be adjusted downwards and the plate thickness parameter corresponding to the adjusted stroke.
Preferably, the PLC control device of the leveler is also connected with an alarm device, and the alarm devices are respectively connected to the highest stroke position and the lowest stroke position of the pull rod and used for realizing alarm when the pull rod is at the highest stroke position and the lowest stroke position.
Preferably, the PLC control device of the leveling machine is also connected with a timer for recording the specific value of the vertical distance H between the upper leveling roller and the lower leveling roller of the plate with the common thickness.
Compared with the prior art, the invention has the beneficial effects that: the invention relates to a leveler based on double-speed adjustment of rolling reduction, which comprises the following components:
1. the adjustment stability is good, the height of the pull rod is adjusted by the worm gear transmission pressure adjusting device, and the matching is accurate;
2. the distance adjustment is accurate, the efficiency is high, the double-speed reducer is provided with a high-speed gear and a low-speed gear, the long-distance high-speed gear is adjusted, and the short-distance low-speed gear is adjusted;
3. the debugging time is short, the history of adjusting the vertical distance H between the upper leveling roller and the lower leveling roller is intelligently recorded, and self-feedback double-speed reduction adjustment is used for real-time adjustment.
In conclusion, the leveler based on the double-speed adjustment of the rolling reduction has the advantages of good adjustment stability, accurate distance adjustment, high efficiency and short debugging time, and can alarm in real time during debugging, thereby achieving the technical purpose of improving the efficiency and the precision of the pull rod for adjusting the speed.
Drawings
FIG. 1 is a front view of a leveler that adjusts the reduction based on two speeds;
FIG. 2 is a side view of FIG. 1;
FIG. 3 is a connecting structure diagram of a pull rod and a worm and gear transmission pressure regulating device of a leveler;
FIG. 4 is a schematic diagram of a leveler control based on two-speed adjustment of reduction with a PLC control device.
Detailed Description
For the purpose of enhancing the understanding of the present invention, the present invention will be further explained with reference to the accompanying drawings and examples, which are only for the purpose of explaining the present invention and do not limit the scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the combination or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, are not to be construed as limiting the present invention. In addition, in the description process of the embodiment of the present invention, the positional relationships of the devices such as "upper", "lower", "front", "rear", "left", "right", and the like in all the drawings are based on fig. 1.
As shown in figure 1, the leveler for adjusting the rolling reduction based on the double speed comprises a fixed lower beam 4 and a movable upper beam 1 connected with the four corner ends of the top of the fixed lower beam through four pull rods 5, an upper row of leveling rollers 2 and a lower row of leveling rollers 3 which are matched are respectively arranged between the movable upper beam 1 and the fixed lower beam 4,
as shown in fig. 2 and 3, the top of each pull rod 5 is connected with the movable upper beam 1, and the bottom of each pull rod is fixed with a worm gear transmission pressure regulating device 10;
the worm and gear transmission pressure regulating device 10 comprises a worm wheel 8 connected to the bottom of the pull rod through thread fit, a worm 9 in meshing transmission with the worm wheel, and a double-speed reducer 7 for driving the worm to transmit at variable speed;
a two-speed reducer 7 with a high gear and a low gear, which is driven to rotate by the alternating current motor 6 to raise the worm wheel or lower the position of the worm wheel relative to the worm, further adjusting the vertical distance of the movable upper beam relative to the fixed lower beam, and finally adjusting the vertical distance H between the upper row of leveling rollers and the lower row of leveling rollers, thereby adapting to the winding requirements of plates with different thicknesses, compared with the leveling machine in the prior art, the leveling machine has the advantages that the double-speed reducer of the worm gear and worm transmission pressure regulating device is used for carrying out variable speed regulation on the worm to regulate the relative distance between the worm gear and the worm, namely the double-speed reducer has a high-speed gear and a low-speed gear, when the distance between the upper leveling roller and the lower leveling roller of the leveling machine is not proper, so that the plate passing through the two rollers does not obtain enough pressing force, or the pressing force between the two is too large, the vertical distance H therebetween needs to be adjusted. That is to say, the worm wheel and the worm drive the pull rod to adjust the radial clearance (the clearance between the front inlet and the rear inlet) of the upper leveling roller and the lower leveling roller, and according to the load condition of the machine, the system automatically selects the transmission speed ratio of the double-speed reducer to realize quick lifting, pressing and normal-speed working.
As shown in fig. 1, each of the two-speed reducers of the leveler is connected with two worms through a three-way shaft 15, so that one two-speed reducer is used for driving the two worms to simultaneously adjust the heights of the upper leveling roll and the lower leveling roll on the same side; the advantage of this design is, can improve the regulation speed on the one hand, and on the other hand saves the cost of double speed reducer, can also save to raise or reduce energy consumption, improves the efficiency of raising or reducing.
The worm gear and worm transmission pressure regulating device of the leveling machine further comprises a worm gear transmission box 14 used for packaging the connection part of the worm gear and the worm, and meanwhile, the pull rod 5 corresponding to the worm gear is also inserted into the worm gear box 14, so that a high transmission effect can be kept, and a good dustproof effect can be achieved.
Each worm gear box 14 of the leveler is of a closed structure, and the interior of the worm gear box is immersed in lubricating oil to soak the bottom of the pull rod, the worm and the worm gear, so that the wear resistance of the bottom of the pull rod, the worm and the worm gear is improved, and the service life of the leveler is further ensured.
As shown in fig. 4, at least one grating ruler 16 and/or a resistance ruler 17 is/are arranged in the vertical distance H direction between the upper leveling roller and the lower leveling roller of the leveling machine, and is used for measuring the ascending or descending stroke of the movable upper beam;
grating chi and/or resistance ruler, with the double speed reducer be connected a PLC controlling means 18 respectively for realize going up the vertical distance H between the leveling roller and the lower leveling roller of arranging accurate measurement, its aim at to the panel of same thickness, no matter whether need change panel thickness, all can remember the vertical distance H between the leveling roller of arranging and the lower leveling roller of arranging, when processing the panel of same thickness next time, only need input predetermined value can, need not all debug at every turn alone, debug time has been saved.
The PLC control device of the leveler is also connected to a display device 19, a storage device 20 and an input device 21, wherein:
the input device is used for inputting the stroke of the pull rod to be adjusted downwards and the plate thickness parameter corresponding to the adjusted stroke, so that the winding adjustment information of the plate is recorded, and the information is convenient to adjust at the later stage;
the display device is used for displaying the information input by the input device and the distance information detected by the grating ruler and/or the resistance ruler in real time;
and the storage device is used for storing the stroke of the pull rod required to be adjusted downwards and the plate thickness parameter corresponding to the adjusted stroke, so that the later-stage adjustment information is taken as a reference, and the later-stage adjustment rate is improved.
The PLC control device of the leveler is also connected with an alarm device 22, the alarm devices are respectively connected at the highest stroke position and the lowest stroke position of the pull rod and used for realizing alarm when the pull rod is at the highest stroke position and the lowest stroke position, the design can improve the intellectualization of the leveler adjustment and prevent the problem of circular adjustment but difficult accurate positioning, in addition, when the vertical distance H between the upper leveling roller and the lower leveling roller is adjusted, the upper gear and the support of the double-speed reducer are respectively used for alternate speed adjustment, a speed adjusting stroke can also be set, the speed adjusting stroke is lower than the speed adjusting stroke, the speed adjusting is carried out by using the low gear of the double-speed reducer, and when the pull rod stroke is higher than the speed adjusting stroke, the speed adjusting is carried out by using the high gear of the double-speed reducer, so that the technical purpose of improving the speed.
The PLC control device 18 of the leveler is also connected with a timer 23 and is used for recording the specific numerical value of the vertical distance H between the upper leveling roller and the lower leveling roller of the plate with the common thickness so as to be directly positioned and convenient and quick during later use.
The embodiments of the present invention are disclosed as the preferred embodiments, but not limited thereto, and those skilled in the art can easily understand the spirit of the present invention and make various extensions and changes without departing from the spirit of the present invention.
Claims (8)
1. Leveler based on double speed regulation decrement, including fixed underbeam and connect in the activity entablature of its top quadrangle end through four pull rods, set up the complex between activity entablature and the fixed underbeam respectively and go up to arrange the leveling roller and arrange the leveling roller, its characterized in that down:
the top of each pull rod is connected with the movable upper beam, and the bottom of each pull rod is fixed with a worm gear transmission pressure regulating device;
the worm and gear transmission pressure regulating device comprises a worm gear, a worm and a double-speed reducer, wherein the worm gear is connected to the bottom of the pull rod in a threaded fit manner, the worm is in meshing transmission with the worm gear, and the double-speed reducer is used for driving the worm to perform variable speed transmission;
the double-speed reducer is provided with a high-speed gear and a low-speed gear, and is driven to rotate by the alternating current motor so as to raise a worm wheel or lower the position of the worm wheel relative to a worm, further adjust the vertical distance of the movable upper beam relative to the fixed lower beam, and finally adjust the vertical distance H between the upper row of leveling rollers and the lower row of leveling rollers.
2. The leveler of claim 1, wherein: each double-speed reducer is connected with two worms through a three-way shaft, so that one double-speed reducer is used for driving the two worms to simultaneously adjust the heights of the upper leveling roller and the lower leveling roller on the same side.
3. The leveler of claim 2, wherein: the worm and gear transmission pressure regulating device also comprises a worm gear transmission box used for packaging the connection part of the worm and the gear, and a pull rod corresponding to the worm gear is also inserted into the worm gear box.
4. The leveler of claim 3, wherein: each worm gear box is of a closed structure, and the interior of each worm gear box is immersed in lubricating oil so as to soak the bottom of the pull rod, the worm and the worm gear.
5. The leveler according to any one of claims 1-4, wherein: at least one grating ruler and/or resistance ruler is arranged in the direction of the vertical distance H between the upper row of leveling rollers and the lower row of leveling rollers and is used for measuring the ascending or descending stroke of the movable upper beam;
and the grating ruler and/or the resistance ruler are respectively connected with the double-speed reducer by a PLC control device and are used for realizing the accurate measurement of the vertical distance H between the upper row of leveling rollers and the lower row of leveling rollers.
6. The leveler of claim 5, wherein: the PLC control device is also connected with a display device, a storage device and an input device, wherein:
the input device is used for inputting the stroke of the pull rod to be adjusted downwards and the plate thickness parameter corresponding to the adjusted stroke;
the display device is used for displaying the information input by the input device and the distance information detected by the grating ruler and/or the resistance ruler in real time;
and the storage device is used for storing the stroke of the pull rod required to be adjusted downwards and the plate thickness parameter corresponding to the adjusted stroke.
7. The leveler of claim 6, wherein: the PLC control device is also connected with an alarm device, and the alarm device is respectively connected at the highest stroke position and the lowest stroke position of the pull rod and used for realizing alarm when the pull rod is at the highest stroke position and the lowest stroke position.
8. The leveler of claim 7, wherein: the PLC control device is also connected with a timer and is used for recording the specific numerical value of the vertical distance H between the upper leveling roller and the lower leveling roller of the plate with the common thickness.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011334737.9A CN112474885A (en) | 2020-11-25 | 2020-11-25 | Leveler based on double-speed adjustment rolling reduction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011334737.9A CN112474885A (en) | 2020-11-25 | 2020-11-25 | Leveler based on double-speed adjustment rolling reduction |
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| Publication Number | Publication Date |
|---|---|
| CN112474885A true CN112474885A (en) | 2021-03-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011334737.9A Pending CN112474885A (en) | 2020-11-25 | 2020-11-25 | Leveler based on double-speed adjustment rolling reduction |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117531873A (en) * | 2023-11-30 | 2024-02-09 | 山东大明协好金属科技有限公司 | Roll gap adjusting device of steel plate leveling machine |
-
2020
- 2020-11-25 CN CN202011334737.9A patent/CN112474885A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117531873A (en) * | 2023-11-30 | 2024-02-09 | 山东大明协好金属科技有限公司 | Roll gap adjusting device of steel plate leveling machine |
| CN117531873B (en) * | 2023-11-30 | 2024-05-24 | 山东大明协好金属科技有限公司 | Roll gap adjusting device of steel plate leveling machine |
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Effective date of registration: 20210528 Address after: 226600 No.18 Donghai Avenue (East), Chengdong Town, Hai'an City, Nantong City, Jiangsu Province Applicant after: Nantong Haixun Zhizao Technology Co.,Ltd. Address before: 226600 No.88, group 5, Kaiping village, Chengdong Town, Hai'an City, Nantong City, Jiangsu Province Applicant before: Jiangsu Haixun Hengding Machinery Technology Co.,Ltd. |