CN103272893A - Cantilever type straightening machine - Google Patents
Cantilever type straightening machine Download PDFInfo
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- CN103272893A CN103272893A CN2013102128429A CN201310212842A CN103272893A CN 103272893 A CN103272893 A CN 103272893A CN 2013102128429 A CN2013102128429 A CN 2013102128429A CN 201310212842 A CN201310212842 A CN 201310212842A CN 103272893 A CN103272893 A CN 103272893A
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- cambered surface
- worm gear
- bearing block
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- lower roller
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Abstract
The invention discloses a cantilever type straightening machine, and relates to equipment for straightening section steel. The cantilever type straightening machine is mainly designed to solve the problem of twisting when an existing cantilever type straightening machine is used for straightening section steel with an asymmetric cross section. The cantilever type straightening machine comprises a framework, lower roll shafts, lower rolls, worm gear cases, a motor reducer, upper roll shafts, front bearing blocks, rear bearing blocks and upper rolls; positioning plates are fixed onto the framework; limiting pressure plates are arranged at two ends of each positioning plate; pressure plates are arranged at both the upper end and the lower end of each lining plate with a cambered surface, a straight surface of each lining plate with the corresponding cambered surface is opposite to the corresponding limiting pressure plate, the cambered surface of each lining plate is opposite to the corresponding front bearing block or the corresponding rear bearing block, a small gap is reserved between the cambered surface of each lining plate and the corresponding front bearing block or the corresponding rear bearing block, and surfaces, which are opposite to the lining plates with the cambered surfaces, of the front bearing blocks and the rear bearing blocks are cambered; and half clamp rings are arranged on tops of the bearing blocks, lead screws are arranged on the half clamp rings, spherical connectors at bottoms of the lead screws are arranged in inner cambered surfaces of the half clamp rings, the lead screws are arranged in nuts of worm gears, a hand wheel is arranged at one end of each worm gear, and the other end of each worm gear is connected with a corresponding power output shaft of the motor reducer. The cantilever type straightening machine has the advantage that twisting is prevented when the cantilever type straightening machine is used for straightening section steel with an asymmetric cross section.
Description
Technical field:
The present invention relates to the equipment for straightening that a kind of steel rolling industry is used, employed equipment when aligning to shaped steel specifically.
Background technology:
Existing cantilevered straightener comprises some to bearing block, every pair of bearing block all comprises a front-end bearing pedestal and a rear bearing block, also have roll shaft and several motor reducers on several, roll shaft is contained in the bearing of pair of bearing on each, on each front-end bearing pedestal and each rear bearing block leading screw is arranged fixedly, two leading screws are contained in the screw on the worm gear separately, worm screw on two worm gears is connected with the power output shaft of same motor reducer on being fixed on frame, in that being done, depresses when adjusting top roll, each motor reducer work on the frame, drive on roll shaft carries out on each, following mobile, thus the distance between adjustment top roll and the lower roll.Because pair of bearing is adjusted by same motor reducer when adjusting, be that same front-end bearing pedestal and the rear bearing block of going up the roll shaft connection all is interlock, so when the asymmetric shaped steel of its aligning cross section, can produce torsion phenomenon, because roll shaft is uniform to the pressure distribution of product cross section on each, and the product cross section is anisopleual, when especially the both sides difference in height is big, the drafts that a high side surpasses elastic limit to be needed is lower than a low side, that is to say when being subjected to equal pressure, the side that the amount of plastic deformation of a high side is long-range and low, and the shaped steel of aligning out will be to the big sideway swivel of plastic deformation, straight product can not be aligned out, the needs of high accuracy product can't be guaranteed.
Summary of the invention:
Technical problem to be solved by this invention provides and a kind ofly can not produce torsion phenomenon when aligning cross section asymmetric shaped steel, can align out the cantilevered straightener of straight product.
Above-mentioned purpose is achieved in that it comprises frame, several lower roller shafts all are contained on the frame by bearing, the front end of each lower roller shaft stretches out from frame, and extension is equipped with lower roll, and a worm gear case is fixedly arranged on the frame of each lower roller shaft rear end, the rear end of each lower roller shaft is connected with bearing with the interior axle sleeve of the worm gear case that is adjacent, axle sleeve is connected with push rod, and push rod is connected with worm gear, and worm gear rotates, push rod drives lower roller shaft and axially moves, thereby adjusts the axial location of lower roll; Also has motor reducer, motor reducer has the power output shaft identical with the lower roller shaft number, the direction of rotation of each power output shaft of motor reducer is all identical, and revolution is also all identical, and each lower roller shaft all passes through each power output shaft of Hooks coupling universal coupling and motor reducer and is connected;
Also comprise the last roll shaft identical with lower roller shaft quantity, wherein go up roll shaft and be positioned at the top of lower roller shaft, on several roll shaft all place front-end bearing pedestal and the bearing in the rear bearing block on the frame by separately be contained on the frame, the front end of roll shaft stretches out from frame on each, extension is equipped with top roll, a worm gear case is fixedly arranged on each rear bearing block, on each on the rear end of roll shaft and its rear bearing block the axle sleeve in the fixing worm gear case be connected with bearing, axle sleeve is connected with push rod, push rod is connected with worm gear, worm gear rotates, and the push rod drive is gone up roll shaft and axially moved, thereby adjusts the axial location of top roll; It is characterized in that: also be provided with several location-plates on the frame, the front end of each location-plate is fixed on two frames between the front-end bearing pedestal, and the rear end of each location-plate is fixed on two frames between the rear bearing block; Fixedly there is spacing pressing plate the front-end and back-end of each location-plate, spacing pressing plate can block front-end bearing pedestal and the rear bearing block of location-plate both sides, prevent the displacement of bearing block, also have several cambered surface liner plates, all fixedly there is pressing plate the top and bottom of cambered surface liner plate, pressure board is on the outer of location-plate and spacing pressing plate, to prevent on the cambered surface liner plate, lower slider, facing directly of cambered surface liner plate is inboard relative with spacing pressing plate, the relative gap of also staying slightly with front-end bearing pedestal or rear bearing block of the cambered surface of cambered surface liner plate, the face that front-end bearing pedestal is relative with the cambered surface liner plate with rear bearing block all is arc, and the radian of the radian of this arc and cambered surface liner plate cambered surface adapts;
Half snap ring that has intrados is arranged at the top of each front-end bearing pedestal, each half snap ring top is to there being a leading screw, spherical joint is arranged at the bottom of each leading screw, each spherical joint is contained in the intrados of half snap ring corresponding with it, spherical joint can rotate in the intrados of half snap ring, each leading screw is contained in the screw of worm gear separately, the end of each worm screw is equipped with handwheel, and the other end of each worm screw is connected with the power output shaft of the motor reducer that is fixed on upper rack separately.
Half snap ring that has intrados is also arranged at the top of each rear bearing block, each ring top of applying for card is to there being a leading screw, spherical joint is arranged at the bottom of each leading screw, each spherical joint is contained in the intrados of half snap ring corresponding with it, spherical joint can rotate in the intrados of half snap ring, each leading screw is contained in the screw of worm gear separately, the end of each worm screw is equipped with handwheel, and the other end of each worm screw is connected with the power output shaft of the motor reducer that is fixed on upper rack separately.
Advantage of the present invention is: on last roll shaft is carried out, under when adjusting, because front-end bearing pedestal and the leading screw on the rear bearing block of roll shaft are controlled by motor reducer separately separately on each, and spherical joint is arranged at the bottom of each leading screw, each spherical joint is contained in the intrados of half snap ring corresponding with it, so the distance between each front-end bearing pedestal and rear bearing block and the lower roller shaft can be adjusted respectively, when last roll shaft tilts, because facing directly of cambered surface liner plate is inboard relative with spacing pressing plate, the relative gap of also staying slightly with bearing block of the cambered surface of cambered surface liner plate, the face that bearing block is relative with the cambered surface liner plate is arc, the radian of the radian of this arc and cambered surface liner plate cambered surface adapts, so adjust easily, can guarantee the machining accuracy of equipment, can arbitrarily change the force value on the steel cross section, can not produce torsion phenomenon, thereby obtain the identical amount of plastic deformation in profiled cross-section both sides, guarantee the needs of high accuracy product.
Description of drawings:
Fig. 1 is main TV structure schematic diagram of the present invention;
Fig. 2 is side-looking structural representation of the present invention;
Fig. 3 is plan structure schematic diagram of the present invention;
Fig. 4 is the A place structure for amplifying schematic diagram of Fig. 3;
Fig. 5 is the B place structure for amplifying schematic diagram of Fig. 3;
Fig. 6 is the C place structure for amplifying schematic diagram of Fig. 2.
The specific embodiment:
With reference to Fig. 1-5, it comprises frame 1, and several lower roller shafts 2 all are contained on the frame by bearing, and the front end of each lower roller shaft stretches out from frame, extension is equipped with lower roll 3, a worm gear case 4 is fixedly arranged on the frame of each lower roller shaft rear end, and the rear end of each lower roller shaft is connected with bearing with the interior axle sleeve of the worm gear case that is adjacent, and axle sleeve is connected with push rod, push rod is connected with worm gear, worm gear rotates, and push rod drives lower roller shaft and axially moves, thereby adjusts the axial location of lower roll; Also has motor reducer 5, motor reducer has the power output shaft identical with the lower roller shaft number, the direction of rotation of each power output shaft of motor reducer is all identical, and revolution is also all identical, and each lower roller shaft all passes through each power output shaft of Hooks coupling universal coupling and motor reducer and is connected.
Also comprise the last roll shaft 7 identical with lower roller shaft quantity, wherein go up roll shaft and be positioned at the top of lower roller shaft, on several roll shaft all the bearings in front-end bearing pedestal 8 on the frame and the rear bearing block 9 that place by separately be contained on the frame, the front end of roll shaft stretches out from frame on each, extension is equipped with top roll 10, a worm gear case 4 is fixedly arranged on each rear bearing block, on each on the rear end of roll shaft and its rear bearing block the axle sleeve in the fixing worm gear case be connected with bearing, axle sleeve is connected with push rod, and push rod is connected with worm gear; It is characterized in that: also be provided with several location-plates 12 on the frame, the front end of each location-plate is fixed on two frames between the front-end bearing pedestal, and the rear end of each location-plate is fixed on two frames between the rear bearing block; Fixedly there is spacing pressing plate 13 front-end and back-end of each location-plate, spacing pressing plate can block front-end bearing pedestal and the rear bearing block of location-plate both sides, prevent the displacement of bearing block, also have several cambered surface liner plates 14, all fixedly there is pressing plate 15 top and bottom of cambered surface liner plate, pressure board is on the outer of location-plate and spacing pressing plate, facing directly of cambered surface liner plate is inboard relative with spacing pressing plate, the relative gap of also staying slightly with front-end bearing pedestal or rear bearing block of the cambered surface of cambered surface liner plate, the face that front-end bearing pedestal is relative with the cambered surface liner plate with rear bearing block all is arc, and the radian of the radian of this arc and cambered surface liner plate cambered surface adapts.
Half snap ring that has intrados is also arranged at the top of each rear bearing block, each ring top of applying for card is to there being a leading screw, spherical joint is arranged at the bottom of each leading screw, each spherical joint is contained in the intrados of half snap ring corresponding with it, spherical joint can rotate in the intrados of half snap ring, each leading screw is contained in the screw of worm gear separately, the end of each worm screw is equipped with handwheel, and the other end of each worm screw is connected with the power output shaft of the motor reducer that is fixed on upper rack separately.
Claims (1)
1. cantilevered straightener, comprise frame (1), several lower roller shafts (2) all are contained on the frame by bearing, the front end of each lower roller shaft stretches out from frame, extension is equipped with lower roll (3), and a worm gear case (4) is fixedly arranged on the frame of each lower roller shaft rear end, and the rear end of each lower roller shaft is connected with bearing with the interior axle sleeve of the worm gear case that is adjacent, axle sleeve is connected with push rod, and push rod is connected with worm gear; Also have motor reducer (5), motor reducer has the power output shaft identical with the lower roller shaft number, and each lower roller shaft all passes through each power output shaft of Hooks coupling universal coupling and motor reducer and is connected;
Also comprise the last roll shaft (7) identical with lower roller shaft quantity, wherein go up roll shaft and be positioned at the top of lower roller shaft, on several roll shaft all the bearing in front-end bearing pedestal (8) on the frame and the rear bearing block (9) that places by separately be contained on the frame, the front end of roll shaft stretches out from frame on each, extension is equipped with top roll (10), a worm gear case (4) is fixedly arranged on each rear bearing block, on each on the rear end of roll shaft and its rear bearing block the axle sleeve in the fixing worm gear case be connected with bearing, axle sleeve is connected with push rod, and push rod is connected with worm gear; It is characterized in that: also be provided with several location-plates (12) on the frame, the front end of each location-plate is fixed on two frames between the front-end bearing pedestal, and the rear end of each location-plate is fixed on two frames between the rear bearing block; Fixedly there is spacing pressing plate (13) front-end and back-end of each location-plate, also have several cambered surface liner plates (14), all fixedly there is pressing plate (15) top and bottom of cambered surface liner plate, pressure board is on the outer of location-plate and spacing pressing plate, facing directly of cambered surface liner plate is inboard relative with spacing pressing plate, the relative gap of also staying slightly with front-end bearing pedestal or rear bearing block of the cambered surface of cambered surface liner plate, the face that front-end bearing pedestal is relative with the cambered surface liner plate with rear bearing block all is arc, and the radian of the radian of this arc and cambered surface liner plate cambered surface adapts;
Half snap ring (16) that has intrados is arranged at the top of each front-end bearing pedestal, each half snap ring top is to there being a leading screw (11), spherical joint (6) is arranged at the bottom of each leading screw, each spherical joint is contained in the intrados of half snap ring corresponding with it, spherical joint can rotate in the intrados of half snap ring, each leading screw is contained in the screw of worm gear separately, the end of each worm screw is equipped with handwheel (18), and the other end of each worm screw is connected with the power output shaft of the motor reducer that is fixed on upper rack separately (17);
Half snap ring that has intrados is also arranged at the top of each rear bearing block, each ring top of applying for card is to there being a leading screw, spherical joint is arranged at the bottom of each leading screw, each spherical joint is contained in the intrados of half snap ring corresponding with it, spherical joint can rotate in the intrados of half snap ring, each leading screw is contained in the screw of worm gear separately, the end of each worm screw is equipped with handwheel, and the other end of each worm screw is connected with the power output shaft of the motor reducer that is fixed on upper rack separately.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310212842.9A CN103272893B (en) | 2013-06-02 | 2013-06-02 | A kind of overhung type straightening machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310212842.9A CN103272893B (en) | 2013-06-02 | 2013-06-02 | A kind of overhung type straightening machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103272893A true CN103272893A (en) | 2013-09-04 |
| CN103272893B CN103272893B (en) | 2016-05-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310212842.9A Active CN103272893B (en) | 2013-06-02 | 2013-06-02 | A kind of overhung type straightening machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103272893B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI667085B (en) * | 2017-04-06 | 2019-08-01 | 何柏霖 | Round rod two roll straightening machine |
| CN111926158A (en) * | 2020-09-16 | 2020-11-13 | 辽宁宏昌重工股份有限公司 | Asymmetric section product thermal treatment pressure quenching anti-bending device |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5060498A (en) * | 1990-08-28 | 1991-10-29 | Kawasaki Steel Corporation | Section steel straightener with adjustable roller width |
| EP0689884A1 (en) * | 1994-06-30 | 1996-01-03 | Sms Schloemann-Siemag Aktiengesellschaft | Roller straightening machine for the straightening of profiles |
| JPH10258316A (en) * | 1997-03-17 | 1998-09-29 | Hitachi Ltd | Roller straightener for shape having variable pitch type drive unit |
| CN201030393Y (en) * | 2007-03-26 | 2008-03-05 | 新疆八一钢铁股份有限公司 | Modified straightening machine |
| CN101491817A (en) * | 2009-01-20 | 2009-07-29 | 李军廷 | Formed steel straightener |
| CN202591301U (en) * | 2012-06-07 | 2012-12-12 | 中冶赛迪工程技术股份有限公司 | Straightening machine |
| CN203304339U (en) * | 2013-06-02 | 2013-11-27 | 辽宁宏昌重工股份有限公司 | Cantilever type straightening machine |
-
2013
- 2013-06-02 CN CN201310212842.9A patent/CN103272893B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5060498A (en) * | 1990-08-28 | 1991-10-29 | Kawasaki Steel Corporation | Section steel straightener with adjustable roller width |
| EP0689884A1 (en) * | 1994-06-30 | 1996-01-03 | Sms Schloemann-Siemag Aktiengesellschaft | Roller straightening machine for the straightening of profiles |
| JPH10258316A (en) * | 1997-03-17 | 1998-09-29 | Hitachi Ltd | Roller straightener for shape having variable pitch type drive unit |
| CN201030393Y (en) * | 2007-03-26 | 2008-03-05 | 新疆八一钢铁股份有限公司 | Modified straightening machine |
| CN101491817A (en) * | 2009-01-20 | 2009-07-29 | 李军廷 | Formed steel straightener |
| CN202591301U (en) * | 2012-06-07 | 2012-12-12 | 中冶赛迪工程技术股份有限公司 | Straightening machine |
| CN203304339U (en) * | 2013-06-02 | 2013-11-27 | 辽宁宏昌重工股份有限公司 | Cantilever type straightening machine |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI667085B (en) * | 2017-04-06 | 2019-08-01 | 何柏霖 | Round rod two roll straightening machine |
| CN111926158A (en) * | 2020-09-16 | 2020-11-13 | 辽宁宏昌重工股份有限公司 | Asymmetric section product thermal treatment pressure quenching anti-bending device |
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| Publication number | Publication date |
|---|---|
| CN103272893B (en) | 2016-05-11 |
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