CN102120229A - Belt winding aid and method for aiding in cold steel strip winding by using same - Google Patents
Belt winding aid and method for aiding in cold steel strip winding by using same Download PDFInfo
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- CN102120229A CN102120229A CN 201010587576 CN201010587576A CN102120229A CN 102120229 A CN102120229 A CN 102120229A CN 201010587576 CN201010587576 CN 201010587576 CN 201010587576 A CN201010587576 A CN 201010587576A CN 102120229 A CN102120229 A CN 102120229A
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Abstract
The invention relates to a belt winding aid and a method for aiding in cold steel strip winding by using same. The trolley of the belt winding aid is connected with a first hydraulic cylinder and slides horizontally along a base under the push of the first hydraulic cylinder, and a turning arm, of which the initial positions are below, is arranged on the two sides of the end part of the trolley parallelly and connected with a second hydraulic cylinder movably and can rotate upward under the push of the second hydraulic cylinder; a guide plate is arranged above the turning arm and keeps a fixed distance from a winding drum; a belt is tensioned or loosened by a third hydraulic cylinder, and the turning arm drives the belt to be wound on or released from the winding drum through a belt wheel arranged on the turning arm; and the upper end of the turning arm is provided with a rocker which can rock up and down, and a roller is arranged on the end part of the rocker. When the device and the method are adopted, an aid is provided for the winding of a thick steel strip, the steel strip can effectively wind on the winding drum, and the edge of a steel coil is ordered; and the device and the method are applicable to various planishers and the thickness range of cold steel strips to be wound with aid is enlarged considerably.
Description
Technical field
The invention belongs to strip coiling supporting technology field, be specifically related to a kind of strap rolling-assisting device and utilize it to help the method for volume cold belt steel.
Background technology
Rolling cold belt steel taping head needs could the tensioning strip coiling after around 3～5 circles on the coiling machine, clamps with the jaw of coiling machine usually and takes the lead or use strap rolling-assisting device to help volume.Different with milling train, because the cold belt steel becomes the finished product coil of strip after planisher is smooth, need to adopt the coiling machine that does not have jaw, no matter this moment, band steel thickness all need help volume by strap rolling-assisting device.
Conventional last coiling type strap rolling-assisting device as shown in Figure 1.Dolly 3 is sliding in base 1 under the promotion of first hydraulic cylinder 2 to coiler mandrel 7 places, a plurality of belt pulleys 5 are housed on the dolly 3, be wound with endless-belt 6 on the belt pulley 5, both sides, dolly 3 end be equipped with initial position below pivoted arm 9, pivoted arm 9 also is equipped with a belt pulley 5, pivoted arm 9 rotates under the promotion of second hydraulic cylinder 10 upward after dolly 3 arrives the reel position, makes belt 6 embrace coiler mandrel 7.Belt 6 is by 4 tensionings of the 3rd hydraulic cylinder, and the band steel is nipped under the clamping of belt 6, takes the lead to be adjacent to coiler mandrel 7, takes up on coiler mandrel 7 with the rotation of coiler mandrel 7.After taking the lead to walk out the belt contact scope, lost the chucking power of belt, so elastic recovery is unclamped from coiler mandrel 7, the band steel bomb reply volume that thin band steel bomb reply volume is thick greatly and is little.Take the lead to move ahead and arrive guide plate 8 places that are maintained fixed distance with coiler mandrel 7, be generally 3～5 layers of belt steel thickness and made allowance, the strip steel receives guide plate 8 compactings greatly because of the elastic recovery amount, thick band steel is not suppressed, take the lead then to continue to move ahead until being imported by the first astragal steel and sticking coiler mandrel 7,3～5 circles of being reeled are subsequently finished and are helped volume.
Planisher generally is furnished with vertical jockey pulley in the exit, the passage that the band steel imports coiling machine has upper and lower two, and lower channel is walked the strip steel, generally in 1.0～1.2mm, and thick band steel and thick band steel during upper channel is walked.For abdicating passage, belt contact is restricted, and is generally 220～230 °.Band ladle angle is greater than belt contact, and Fig. 2 has illustrated the cornerite and the force analysis of different-thickness band steel: the strip steel is because of walking lower channel, and suppressed by guide plate to make the point of contact of itself and reel to extend cornerite E maximum forward; In thick band steel walk upper channel, suppressed by guide plate, cornerite F is placed in the middle; Thick band steel is walked upper channel and not suppressed by guide plate, cornerite G minimum.Be also shown in by Fig. 2, because the rigidity of band steel increases from the point of contact to the supplied materials direction gradually in its reel place radius of curvature of nipping, tangent slope diminishes gradually, normal direction changes thereupon, and the normal direction that the band steel of different-thickness imports the some place is also different, and belt steel thickness is big more unfavorable more to helping volume.By mechanical analysis as can be known, make band steel rolling-in reliably, import the some place and take the lead the direction of pressure, its direction is similar to normal direction, should be not more than 90 ° with the angle of place, point of contact reel radial direction.The strip steel can satisfy above-mentioned requirements, in thick band steel also passable reluctantly, and thick band steel can not.Experience shows, for low-carbon steel material commonly used, the thickness of 1.5～1.6mm is one and faces Jie's point, and because the effect of band steel deadweight, batch down than on batch more unfavorable.The band steel can not pack tightly reel will make the coiling tension fluctuation, cause the steel flanging part uneven, influence end product quality.
Summary of the invention
Technical problem to be solved by this invention is the deficiency at above-mentioned strap rolling-assisting device, and provides a kind of and can be applicable to the multiple product specification, helps volume cold belt steel thickness by being thinned to the thick strap rolling-assisting device that is used for planisher.
Further, the technical problem to be solved in the present invention provides a kind of cold-strip steel maximum ga(u)ge that can be applicable to above the cold rolling levelling machine of 2mm and the strap rolling-assisting device of the heat-cold smoothing machine that the hot-strip maximum ga(u)ge reaches 4.5mm.
In addition, the present invention also provides a kind of method of utilizing strap rolling-assisting device to help volume cold belt steel.
The present invention solves the problems of the technologies described above the technical scheme that is adopted to be:
A kind of strap rolling-assisting device mainly comprises dolly, base, belt, pivoted arm, first hydraulic cylinder, second hydraulic cylinder, the 3rd hydraulic cylinder, guide plate, and wherein, dolly connects first hydraulic cylinder and can slide in the horizontal direction at the promotion lower edge of first hydraulic cylinder base; Both sides, dolly end are parallel be equipped with initial position below pivoted arm, the pivoted arm and second hydraulic cylinder flexibly connect and can rotate upward under the promotion of second hydraulic cylinder; Guide plate is arranged on the pivoted arm top and is maintained fixed distance with coiler mandrel; Belt is by the 3rd hydraulic cylinder tensioning or loosen, and pivoted arm drives belt obvolvent coiler mandrel by a configuration belt pulley thereon or unclamps from coiler mandrel; It is characterized in that: described pivoted arm upper end is provided with a rocker actuator that can fluctuate, and the end of described rocker actuator is provided with roller.
Press such scheme, described rocker actuator comprises roller, crossbeam and two rocking bars: the parallel to each other and end each rocking bar of two rocking bars is movably connected in respectively on the swivel arm; The fixedly connected respectively described crossbeam of the other end of two rocking bars also wherein becomes one the crossbeam clamping; The described roller of installing on the crossbeam.
Press such scheme, described rocker actuator also comprises two the 4th hydraulic cylinders, and each rocking bar flexibly connects with the piston rod of one the 4th hydraulic cylinder respectively, afterbody of each the 4th hydraulic cylinder and the flexible connection of each swivel arm.
Press such scheme, the diameter of described roller is 60～100mm.
Press such scheme, described roller is a plurality of rollers, and mutual spacing is 200～400mm.
Press such scheme, described roller is a rolling bearing.
Press such scheme, the pressure of pair of rollers band steel taping head is 2kN～4kN.
Press such scheme, must be able to allow that piston rod retreats when the rodless cavity operating pressure of the 4th hydraulic cylinder surpasses setting value.
Press such scheme, the fixed range that described guide plate and reel keep is: 3～5 layers of belt steel thickness also stay surplus slightly.
A kind of method of utilizing above-mentioned strap rolling-assisting device to help volume cold belt steel is characterized in that: when help the winding steel be thick band steel/in during thick band steel, rocker actuator is laid out and is made roller push down the band steel, rocker actuator is accommodated after successfully helping volume again; Rocking bar is accommodated to abdicate band steel passage when helping the winding steel to be the strip steel.
After adopting said apparatus and method, not only can help the thick band steel of volume, make it effectively pack tightly reel, reduce the coiling tension fluctuation, guarantee that the steel flanging part is neat, and be applicable to and comprise that the cold-strip steel maximum ga(u)ge surpasses the cold rolling levelling machine of 2mm and the multiple planisher of the heat-cold smoothing machine that the hot-strip maximum ga(u)ge reaches 4.5mm, help volume cold belt steel thickness range significantly to increase.
Description of drawings
Fig. 1 is the structural representation of existing strap rolling-assisting device;
Force analysis when Fig. 2 helps the winding steel for strap rolling-assisting device and cornerite schematic diagram;
Fig. 3 is the structural representation of strap rolling-assisting device of the present invention;
Fig. 4 is that the L of rocker actuator of the present invention is to structural representation.
In the accompanying drawing, each Reference numeral correspondence is as follows:
A-strip steel imports the normal direction of point, B-strip steel imports point, C-is thin/in thick band steel point of contact, the thick band steel of D-point of contact, E-strip ladle angle, thick band ladle angle among the F-, the thick band ladle of G-angle, the thick band steel of H-imports the normal direction of point, thick band steel imports the normal direction of point among the K-, the thick band steel of M-imports point, thick band steel imports point among the N-, the 1-base, 2-first hydraulic cylinder, the 3-dolly, 4-the 3rd hydraulic cylinder, the 5-belt pulley, the 6-belt, the 7-coiler mandrel, the 8-guide plate, the 9-pivoted arm, 10-second hydraulic cylinder, 11-first bearing pin, the 12-rocking bar, 13-the 4th hydraulic cylinder, 14-second bearing pin, 15-the 3rd bearing pin, the 16-roller, the 17-crossbeam.
The specific embodiment
Further specify the present invention below in conjunction with accompanying drawing and each embodiment.
The structure of strap rolling-assisting device major part of the present invention as shown in Figure 3, the structure of clipped is identical with Fig. 1: mainly comprise dolly 3, base 1, endless-belt 6, pivoted arm 9, first hydraulic cylinder 2, second hydraulic cylinder 10, guide plate 8, the 3rd hydraulic cylinder 4, wherein, dolly 3 connects first hydraulic cylinder 2 and can slide into coiler mandrel 7 places in the horizontal direction at the promotion lower edge of first hydraulic cylinder 2 base 1, and a plurality of belt pulleys 5 are housed on the dolly 3; Both sides, dolly 3 end are parallel be equipped with initial position below pivoted arm 9, the pivoted arm 9 and second hydraulic cylinder 10 flexibly connect and can rotate upward under the promotion of second hydraulic cylinder 10; Guide plate 8 is arranged on pivoted arm 9 tops and is maintained fixed distance with coiler mandrel 7; Endless-belt 6 is by 4 tensionings of the 3rd hydraulic cylinder or loosen, and pivoted arm 9 drives belts 6 by a configuration belt pulley 5 thereon and embraces coiler mandrel 7 or unclamp from it; Pivoted arm 9 upper ends are provided with a rocker actuator that can fluctuate, and the rocker actuator end is provided with roller 16.
Described rocker actuator also comprises crossbeam 17 and two rocking bars 12: respectively process the pivot of a hole as rocker actuator in pivoted arm 9 outsides of both sides, the parallel to each other and end each rocking bar 12 of two rocking bars 12 is hinged on the swivel arm 9 by first bearing pin 11 respectively; The other end of two rocking bars 12 is fixedlyed connected described crossbeam 17 and crossbeam 17 clampings are wherein become one respectively by tongue and groove and bolt; The described roller 16 of installing on the crossbeam 17.Rocker actuator is promoted by two the 4th hydraulic cylinders 13 that are contained on two swivel arms, and the 4th hydraulic cylinder 13 afterbodys are hinged on the pivoted arm 9 by second bearing pin 14, and the piston rod end is hinged on each side rocking bar 12 by the 3rd bearing pin 15.
The spacing of roller is that 200～400mm is to guarantee to push down the band steel of various width specifications.
Roller diameter is got 60～100mm, gets higher value under the prerequisite that does not produce interference, so as to adopt that roller is depressed earlier, the easy operator scheme of batching behind the reel and don't produce jam.
To make in order reducing friction and to help volume more reliable, roller also can adopt rolling bearing.
Because after roller is pushed down the band steel, along with the coiling of being with steel will force roller to retreat, so the rodless cavity operating pressure of the 4th hydraulic cylinder 13 must limit, Design of Hydraulic System must guarantee can allow that piston rod retreats when the rodless cavity operating pressure of the 4th hydraulic cylinder 13 surpasses limit value.
As seen from Figure 3, after adopting the present invention, thick band steel point of contact D is near roller 16, by the direction deflection of the contact point place of roller 16 and coiler mandrel 7 to guide plate 8, deflection angle is about 4～7 °, thick band steel imports some M place and takes the lead the angle of the direction of pressure and D place, thick band steel point of contact reel radial direction much smaller than 90 °, thereby can effectively batch thick band steel; When setting pair of rollers band steel pressure, in order to prolong roller and to help and get less force value in service life of volume equipment as far as possible, though the pressure of a pair of rollers band steel hour band ladle angle also reduces, but Mechanics Calculation shows, no matter common material is with the steel thickness, when pair of rollers takes the lead to get less pressure such as 2kN～4kN, difference between the band ladle angle only is 4～7 °, suitable with above-mentioned deflection angle, the angle loss of band ladle is very little, less relatively to the adverse effect that helps volume, thereby the pressure of pair of rollers band steel can be got smaller value and not influence the tight reel of band ladle in this very big scope of 2kN～4kN.
This strap rolling-assisting device helps the method for volume cold belt steel to be: when the band steel walk upper channel also promptly help the winding steel be thick band steel/in during thick band steel, rocker actuator is laid out and is made roller push down the band steel, thereby significantly increases band ladle angle, rocker actuator is accommodated after successfully helping volume again; When the band steel was walked lower channel and also promptly helped the winding steel to be the strip steel, rocking bar was accommodated to abdicate band steel passage.
Claims (10)
1. a strap rolling-assisting device mainly comprises dolly, base, belt, pivoted arm, first hydraulic cylinder, second hydraulic cylinder, the 3rd hydraulic cylinder, guide plate, and wherein, dolly connects first hydraulic cylinder and can slide in the horizontal direction at the promotion lower edge of first hydraulic cylinder base; Both sides, dolly end are parallel be equipped with initial position below pivoted arm, the pivoted arm and second hydraulic cylinder flexibly connect and can rotate upward under the promotion of second hydraulic cylinder; Guide plate is arranged on the pivoted arm top and is maintained fixed distance with coiler mandrel; Belt is by the 3rd hydraulic cylinder tensioning or loosen, and pivoted arm drives belt by a configuration belt pulley thereon and embraces coiler mandrel or unclamp from coiler mandrel; It is characterized in that: described pivoted arm upper end is provided with a rocker actuator that can fluctuate, and described rocker actuator end is provided with roller.
2. strap rolling-assisting device according to claim 1 is characterized in that described rocker actuator also comprises crossbeam and two rocking bars; Parallel to each other and the end each rocking bar of two rocking bars is movably connected in respectively on the swivel arm; The fixedly connected respectively described crossbeam of the other end of two rocking bars also wherein becomes one the crossbeam clamping; The described roller of installing on the crossbeam.
3. strap rolling-assisting device according to claim 2 is characterized in that described rocker actuator also comprises two the 4th hydraulic cylinders, and each rocking bar flexibly connects with the piston rod of one the 4th hydraulic cylinder respectively, afterbody of each the 4th hydraulic cylinder and the flexible connection of each swivel arm.
4. according to claim 1 or 2 or 3 described strap rolling-assisting devices, the diameter that it is characterized in that described roller is 60～100mm.
5. according to claim 1 or 2 or 3 described strap rolling-assisting devices, it is characterized in that described roller is a plurality of, and mutual spacing is 200～400mm.
6. according to claim 1 or 2 or 3 described strap rolling-assisting devices, it is characterized in that described roller is a rolling bearing.
7. according to claim 1 or 2 or 3 described strap rolling-assisting devices, the pressure that it is characterized in that pair of rollers band steel taping head is 2kN～4kN.
8. according to claim 1 or 2 or 3 described strap rolling-assisting devices, it is characterized in that the fixed range that described guide plate and coiler mandrel keep is: the thickness of 3～5 layers of band steel also stays surplus slightly.
9. strap rolling-assisting device according to claim 3 can allow that piston rod retreats when the rodless cavity operating pressure that it is characterized in that the 4th hydraulic cylinder surpasses limit value.
10. method of utilizing the described strap rolling-assisting device of one of claim 1-9 to help volume cold belt steel is characterized in that: when help the winding steel be thick band steel/in during thick band steel, rocker actuator is laid out and is made roller push down the band steel, rocker actuator is accommodated after successfully helping volume again; Rocking bar is accommodated to abdicate band steel passage when helping the winding steel to be the strip steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010587576A CN102120229B (en) | 2010-12-15 | 2010-12-15 | Belt winding aid and method for aiding in cold steel strip winding by using same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010587576A CN102120229B (en) | 2010-12-15 | 2010-12-15 | Belt winding aid and method for aiding in cold steel strip winding by using same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102120229A true CN102120229A (en) | 2011-07-13 |
| CN102120229B CN102120229B (en) | 2012-09-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010587576A Active CN102120229B (en) | 2010-12-15 | 2010-12-15 | Belt winding aid and method for aiding in cold steel strip winding by using same |
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| CN (1) | CN102120229B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104384237A (en) * | 2014-11-26 | 2015-03-04 | 天津太钢天管不锈钢有限公司 | Auxiliary withdrawal straightening wire belt coiler |
| CN105081006A (en) * | 2015-09-29 | 2015-11-25 | 山东钢铁股份有限公司 | Gap adjustment device of winding assistor of cold mill |
| CN106944497A (en) * | 2017-05-08 | 2017-07-14 | 常州机电职业技术学院 | A kind of strap rolling-assisting device |
| CN109500139A (en) * | 2018-12-28 | 2019-03-22 | 中冶南方工程技术有限公司 | Cold rolling Deformation in thick strap rolling-assisting device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0824943A (en) * | 1994-07-18 | 1996-01-30 | Nisshin Steel Co Ltd | Device for coiling band metal |
| JP2005022783A (en) * | 2003-06-30 | 2005-01-27 | Ishikawajima Harima Heavy Ind Co Ltd | Belt wrapper and its operating method |
| CN200995916Y (en) * | 2006-12-31 | 2007-12-26 | 中冶南方工程技术有限公司 | Belt winding aid |
| CN201921907U (en) * | 2010-12-15 | 2011-08-10 | 中冶南方工程技术有限公司 | Belt wrapper |
-
2010
- 2010-12-15 CN CN201010587576A patent/CN102120229B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0824943A (en) * | 1994-07-18 | 1996-01-30 | Nisshin Steel Co Ltd | Device for coiling band metal |
| JP2005022783A (en) * | 2003-06-30 | 2005-01-27 | Ishikawajima Harima Heavy Ind Co Ltd | Belt wrapper and its operating method |
| CN200995916Y (en) * | 2006-12-31 | 2007-12-26 | 中冶南方工程技术有限公司 | Belt winding aid |
| CN201921907U (en) * | 2010-12-15 | 2011-08-10 | 中冶南方工程技术有限公司 | Belt wrapper |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104384237A (en) * | 2014-11-26 | 2015-03-04 | 天津太钢天管不锈钢有限公司 | Auxiliary withdrawal straightening wire belt coiler |
| CN104384237B (en) * | 2014-11-26 | 2017-03-22 | 天津太钢天管不锈钢有限公司 | Auxiliary withdrawal straightening wire belt coiler |
| CN105081006A (en) * | 2015-09-29 | 2015-11-25 | 山东钢铁股份有限公司 | Gap adjustment device of winding assistor of cold mill |
| CN106944497A (en) * | 2017-05-08 | 2017-07-14 | 常州机电职业技术学院 | A kind of strap rolling-assisting device |
| CN106944497B (en) * | 2017-05-08 | 2018-06-15 | 常州机电职业技术学院 | A kind of strap rolling-assisting device |
| CN109500139A (en) * | 2018-12-28 | 2019-03-22 | 中冶南方工程技术有限公司 | Cold rolling Deformation in thick strap rolling-assisting device |
| CN109500139B (en) * | 2018-12-28 | 2024-03-22 | 中冶南方工程技术有限公司 | Cold rolling thick strip steel belt winding aid |
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| CN102120229B (en) | 2012-09-05 |
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