CN102728616A - Y-shaped rolling mill with multi-roller system - Google Patents
Y-shaped rolling mill with multi-roller system Download PDFInfo
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- CN102728616A CN102728616A CN201210193545XA CN201210193545A CN102728616A CN 102728616 A CN102728616 A CN 102728616A CN 201210193545X A CN201210193545X A CN 201210193545XA CN 201210193545 A CN201210193545 A CN 201210193545A CN 102728616 A CN102728616 A CN 102728616A
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Abstract
The invention discloses a Y-shaped rolling mill with a multi-roller system, which is used for rolling metal tubes or bar wire materials. The Y-shaped rolling mill comprises a main machine frame and a driving device, wherein three supporting roller devices are symmetrically arranged in the main machine frame; the driving device is used for driving the supporting roller devices; at least one of an inlet and an outlet of the main machine frame is provided with a roller seat; each supporting roller device structurally comprises a supporting roller shaft which is provided with a supporting roller and is movably supported in the main machine frame; three roller shafts respectively provided with rollers are movably supported on each roller seat; each roller is contacted and matched with each supporting roller and driven through the supporting roller; the three rollers on each roller seat are pairwise arranged in a Y shape and with an included angle of 120 degrees; and an adjusting device for adjusting contact pressure between the supporting rollers and the rollers is also arranged in the main machine frame. The Y-shaped rolling mill has the advantages of being capable of conveniently adjusting or replacing the rollers and reducing the rolling force of the rollers while providing large torsion.
Description
Technical field
The invention belongs to the rolling technical field of metal tube or excellent wire rod, be specifically related to be used for the y-type rolling mill of rolled metal pipe or excellent wire rod.
Background technology
At present, the y-type rolling mill that is used for rolled metal pipe or excellent wire rod is three-roller Y shaped milling train, and its structure comprises: the mainframe of opposite opened, be symmetrically arranged with three roll devices in the mainframe, and drive the drive unit of roll device in addition; Each roll device comprises a roll shaft and is installed on the roll on the roll shaft, and in mainframe, three rolls are mutually 120 ° and become the Y types to arrange and as the rolling tool enforcement operation of rolling roll shaft in twos through pair of bearings and bearing block support; Drive unit can adopt three motors to drive three roll shafts respectively, also can adopt roll shaft of separate unit motor-driven and is delivered on other two roll shafts through the moment of torsion of two pairs of bevel gears with this roll shaft.There is following shortcoming in the three-roller type y-type rolling mill of said structure: 1, the adjustment of roll and replacing are very difficult, and changing roll need disintegrate whole rolling, time-consuming; 2, because the restriction of its drive mechanism for guaranteeing rolling torsion and pass size, can only be used the major diameter roll, cause roll-force to increase, increased equipment load; 3, after dimension of roller increases, maintenance difficult not only, and increased the production cost of enterprise.
Summary of the invention
The purpose of this invention is to provide and a kind ofly can adjust and change roll easily and quickly, when high pulling torque is provided, can not increase the y-type rolling mill of the multiple roller of having of roll roll-force system.
Be to realize above-mentioned purpose, the present invention has adopted following technical scheme: described y-type rolling mill with multiple roller system comprises: mainframe, be symmetrically arranged with three backing roll devices in the mainframe, and drive the drive unit of backing roll device in addition; Wherein: described mainframe is a tower structure, and the position, at least one place in the porch of mainframe and the exit is provided with detachable roller base; The structure of described each backing roll device comprises: supporting roller be installed on the backing roll on the supporting roller, supporting roller is installed in the mainframe through a pair of block bearing and supporting shaft holder; Three backing rolls are mutually 120 ° in twos and become Y shape to arrange; Expansion bearing has three roll mandrels on each roller base; A roll is installed on the every roll mandrel; Each roll and a backing roll match and contact and by the backing roll transmission, and three rolls on each roller base are mutually 120 ° in twos and become Y shapes to arrange and implement the operation of rolling as rolling tool; In mainframe, also be provided with in order to regulate the adjusting device of contact pressure between backing roll and the roll.
Further, aforesaid y-type rolling mill with multiple roller system, wherein: the concrete structure of described adjusting device is: in the mainframe in each supporting shaft holder outside, be provided with hold-down bolt, hold-down bolt is pressed on the supporting shaft holder.
Further, aforesaid y-type rolling mill with multiple roller system, wherein: porch and exit at mainframe are respectively arranged with a roller base through attachment bolt, also are provided with the adjusting pad between each roller base and the mainframe.
Further; Aforesaid y-type rolling mill with multiple roller system; Wherein: the described roll contacting structure form that matches with backing roll is: the roll surface shape of cross section of backing roll is a concave shape, that is: middle for the flat segments of indent, both sides be outward-dipping inclined plane; The roll surface shape of cross section of roll is a convex shape, that is: the centre is the inclined plane of chamfer shape for the flat segments of evagination, both sides; Roll and backing roll are in contact with one another transmission through inclined plane separately.
Further; Aforesaid y-type rolling mill with multiple roller system; Wherein: the structure of described drive unit is: wherein a supporting roller is directly driven by power set, and this root supporting roller passes to two supporting rollers in addition through bevel-gear sett with moment of torsion respectively.
Through the enforcement of technique scheme, the present invention just can adjust or change roll easily and quickly under the condition that milling train does not disintegrate; Under the situation that guarantees moment of torsion, can adopt small diameter roller, reduced the roll roll-force; Not only reduced the equipment load requirement; And, can produce the metal tube or the metal rod wire of different size and shape through the adjustment roll, improved the shared property of milling train; Make milling train satisfy the production requirement of high efficiency, many kinds, high-quality, low-cost production metal tube or excellent wire rod.
Description of drawings
The structural representation that Fig. 1 is a y-type rolling mill for multiple roller of the present invention.
Fig. 2 is the structural representation of the A-A section shown in Fig. 1.
Fig. 3 concerns sketch map for the position of work shown in Fig. 1 rolling and back up roll.
The specific embodiment
Below in conjunction with accompanying drawing and specific embodiment the present invention is described further.
Like Fig. 1, Fig. 2, shown in Figure 3, described y-type rolling mill with multiple roller system comprises: be the mainframe 1 of tower structure, in mainframe 1, be symmetrically arranged with three backing roll devices, drive the drive unit of backing roll device in addition; In the present embodiment; The structure of described backing roll device is all identical; Be that example specifies with the structure of one of them backing roll device only below: the structure of described backing roll device comprises: supporting roller 2 be installed on the backing roll 3 on the supporting roller 2; Said supporting roller 2 is bearing in 4, two supporting shaft holders 4 of two supporting shaft holders through a pair of block bearing that is arranged in its both sides and is arranged in the mainframe 1; Three backing rolls 3 in above-mentioned three backing roll devices are mutually 120 ° in twos and become the Y type to arrange; Be provided with detachable roller base 5 in the porch of mainframe 1 and at least one place in the exit; In the present embodiment; In order to improve the rolling quality of metal tube or excellent wire rod; Porch and exit at mainframe 1 are equipped with detachable roller base 5 through attachment bolt respectively, through the mounting means of attachment bolt roller base 5 easy for removal and installation, also facilitate the maintenance or the replacing of breaker roll 7; Wherein equal expansion bearing has three roll mandrels 6 on each roller base 5; A roll 7 is installed on every roll mandrel 6; Three rolls 7 on above-mentioned each roller base 5 are mutually 120 ° in twos and become the Y types to arrange, every roll 7 and a backing roll 3 cooperatively interact and contact and by backing roll 3 transmissions, three rolls 7 surround rolling mouth metal tube or excellent wire rod are rolled; In mainframe, also be provided with in order to regulate the adjusting device of contact pressure between backing roll 3 and the roll 7; In the present embodiment, the structure of described adjusting device is: in the mainframe 1 in each supporting shaft holder 4 outside, be provided with hold-down bolt 11, hold-down bolt 11 is pressed on the supporting shaft holder 4; Like this can be through adjustment hold-down bolt 11; Make roll 7 and backing roll 3 keep certain thrust, guarantee that can drive roll 7 synchronously after backing roll 3 rotates rotates, prevent to skid between both contact-making surfaces of roll 7 and backing roll 3; In the present embodiment; The roll surface shape of cross section of said backing roll 3 is a spill roll surface shape; Concrete structure is: middle the roll surface shape of cross section of described roll 7 is a convex roll surface shape for the flat segments of indent, both sides are outward-dipping inclined plane 13, and concrete structure is: the centre is the inclined plane 14 of chamfer shape for the flat segments of evagination, both sides; Said backing roll 3 compresses through the inclined plane 14 on inclined plane 13 and the roll 7 each other, leans on frictional force between the two to drive roll 7 rotations.In practical application; Can roll out metal tube or excellent wire rod through different rolling hole shapes is set on the flat segments of evagination on the roll 7 with varying cross-section shape; Promptly when needing rounded metal tube of rolling cross section or excellent wire rod; Can on the flat segments of evagination on the roll 7, offer arc-shaped hole, the rolling hole that such three rolls 7 are crowded around back formation is exactly a circle hole shape.In the present embodiment; The structure that drives the driving mechanism of three backing roll devices is: comprise power set---drive motors 8; The output shaft of said drive motors 8 and a supporting roller 2 link; The both sides of said supporting roller 2 are respectively arranged with a drive bevel gear 9; One end of said other two supporting rollers 2 be respectively arranged with one be meshed with said drive bevel gear 9 by dynamic bevel gear 10, said drive bevel gear 9 drives synchronously by dynamic bevel gear 10 and rotates, thereby realizes the transmission to other two supporting rollers 2 and backing roll 3; Simultaneously, in the present embodiment, be provided with between each roller base 5 and the mainframe 1 and regulate pad 12, can adjust roll 7 through the thickness that changes adjusting pad 12 and stretch into the distance in the mainframe 1.Through the enforcement of technique scheme, the present invention just can adjust or change roll easily and quickly under the condition that milling train does not disintegrate; Under the situation that guarantees moment of torsion, can adopt small diameter roller, reduced the roll roll-force; Not only reduced the equipment load requirement; And, can produce the metal tube and the metal rod wire of different size and shape through the adjustment roll, improved the shared property of milling train; Milling train had satisfy the production requirement of high efficiency, many kinds, high-quality, low-cost production metal tube and metal rod wire.
Claims (6)
1. have the y-type rolling mill that multiple roller is, comprising: mainframe, be symmetrically arranged with three backing roll devices in the mainframe, drive the drive unit of backing roll device in addition; It is characterized in that: described mainframe is a tower structure, and the position, at least one place in the porch of mainframe and the exit is provided with detachable roller base; The structure of described each backing roll device comprises: supporting roller be installed on the backing roll on the supporting roller, supporting roller is installed in the mainframe through a pair of block bearing and supporting shaft holder; Three backing rolls are mutually 120 ° in twos and become Y shape to arrange; Expansion bearing has three roll mandrels on each roller base; A roll is installed on the every roll mandrel; Each roll and a backing roll match and contact and by the backing roll transmission, and three rolls on each roller base are mutually 120 ° in twos and become Y shapes to arrange and implement the operation of rolling as rolling tool; In mainframe, also be provided with in order to regulate the adjusting device of contact pressure between backing roll and the roll.
2. the y-type rolling mill with multiple roller system according to claim 1, it is characterized in that: the concrete structure of described adjusting device is: in the mainframe in each supporting shaft holder outside, be provided with hold-down bolt, hold-down bolt is pressed on the supporting shaft holder.
3. the y-type rolling mill with multiple roller system according to claim 1, it is characterized in that: porch and exit at mainframe are respectively arranged with a roller base through attachment bolt, also are provided with the adjusting pad between each roller base and the mainframe.
4. according to claim 1 or 2 or 3 described y-type rolling mills with multiple roller system; It is characterized in that: the described roll contacting structure form that matches with backing roll is: the roll surface shape of cross section of backing roll is a concave shape, that is: middle for the flat segments of indent, both sides be outward-dipping inclined plane; The roll surface shape of cross section of roll is a convex shape, that is: the centre is the inclined plane of chamfer shape for the flat segments of evagination, both sides; Roll and backing roll are in contact with one another transmission through inclined plane separately.
5. according to claim 1 or 2 or 3 described y-type rolling mills with multiple roller system; It is characterized in that: the structure of described drive unit is: wherein a supporting roller is directly driven by power set, and this root supporting roller passes to two supporting rollers in addition through bevel-gear sett with moment of torsion respectively.
6. the y-type rolling mill with multiple roller system according to claim 4; It is characterized in that: the structure of described drive unit is: wherein a supporting roller is directly driven by power set, and this root supporting roller passes to two supporting rollers in addition through bevel-gear sett with moment of torsion respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210193545XA CN102728616A (en) | 2012-06-13 | 2012-06-13 | Y-shaped rolling mill with multi-roller system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210193545XA CN102728616A (en) | 2012-06-13 | 2012-06-13 | Y-shaped rolling mill with multi-roller system |
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| CN102728616A true CN102728616A (en) | 2012-10-17 |
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| CN201210193545XA Pending CN102728616A (en) | 2012-06-13 | 2012-06-13 | Y-shaped rolling mill with multi-roller system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103084390A (en) * | 2013-01-18 | 2013-05-08 | 秦建平 | Metal pipe and rod and wire mill |
| CN103846283A (en) * | 2014-03-18 | 2014-06-11 | 中冶赛迪工程技术股份有限公司 | Laminated driving compact type multi-roll mill |
| CN105764621A (en) * | 2013-11-08 | 2016-07-13 | 丹尼尔和科菲森梅克尼齐有限公司 | Three-roll rolling mill stand with side change with respect to the rolling line |
Citations (8)
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|---|---|---|---|---|
| JPS57118806A (en) * | 1981-01-14 | 1982-07-23 | Nippon Steel Corp | Rolling mill |
| EP0903186A2 (en) * | 1997-09-19 | 1999-03-24 | Plant Engineering Yoshida Kinen Co.,ltd. | Wire rolling apparatus |
| CN1270086A (en) * | 1999-01-17 | 2000-10-18 | 张少渊 | Adjustable three-roller (120-deg Y-type) rolling mill with single input drive axle |
| CN1167522C (en) * | 1995-11-29 | 2004-09-22 | Demag意大利工厂股份公司 | Unit for rolling pipes on a mandrel |
| CN1775392A (en) * | 2005-12-22 | 2006-05-24 | 中冶集团北京冶金设备研究设计总院 | Single-driven input shaft draft-adjustable three-roll mill |
| CN101249505A (en) * | 2008-04-05 | 2008-08-27 | 无锡五冶金属压延有限公司 | Roller device of cold calender |
| CN101433908A (en) * | 2008-12-15 | 2009-05-20 | 秦建平 | Equipment used in tandem rolling production line for rolling metallic rod wire |
| CN202752314U (en) * | 2012-06-13 | 2013-02-27 | 张家港长力机械有限公司 | Y-shaped rolling mill with multiple roll systems |
-
2012
- 2012-06-13 CN CN201210193545XA patent/CN102728616A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57118806A (en) * | 1981-01-14 | 1982-07-23 | Nippon Steel Corp | Rolling mill |
| CN1167522C (en) * | 1995-11-29 | 2004-09-22 | Demag意大利工厂股份公司 | Unit for rolling pipes on a mandrel |
| EP0903186A2 (en) * | 1997-09-19 | 1999-03-24 | Plant Engineering Yoshida Kinen Co.,ltd. | Wire rolling apparatus |
| CN1270086A (en) * | 1999-01-17 | 2000-10-18 | 张少渊 | Adjustable three-roller (120-deg Y-type) rolling mill with single input drive axle |
| CN1775392A (en) * | 2005-12-22 | 2006-05-24 | 中冶集团北京冶金设备研究设计总院 | Single-driven input shaft draft-adjustable three-roll mill |
| CN101249505A (en) * | 2008-04-05 | 2008-08-27 | 无锡五冶金属压延有限公司 | Roller device of cold calender |
| CN101433908A (en) * | 2008-12-15 | 2009-05-20 | 秦建平 | Equipment used in tandem rolling production line for rolling metallic rod wire |
| CN202752314U (en) * | 2012-06-13 | 2013-02-27 | 张家港长力机械有限公司 | Y-shaped rolling mill with multiple roll systems |
Non-Patent Citations (2)
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| 胡新等: "《金属塑性加工生产技术》", 28 February 2011, article "轧辊调整装置", pages: 141 * |
| 马鞍山钢铁设计学院等: "《中小型轧钢机械设计与计算》", 31 December 1979, article "导卫装置", pages: 234 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103084390A (en) * | 2013-01-18 | 2013-05-08 | 秦建平 | Metal pipe and rod and wire mill |
| CN105764621A (en) * | 2013-11-08 | 2016-07-13 | 丹尼尔和科菲森梅克尼齐有限公司 | Three-roll rolling mill stand with side change with respect to the rolling line |
| CN103846283A (en) * | 2014-03-18 | 2014-06-11 | 中冶赛迪工程技术股份有限公司 | Laminated driving compact type multi-roll mill |
| WO2015139552A1 (en) * | 2014-03-18 | 2015-09-24 | 中冶赛迪工程技术股份有限公司 | Stacked drive compact multi-roller rolling mill |
| CN103846283B (en) * | 2014-03-18 | 2016-04-06 | 中冶赛迪工程技术股份有限公司 | Lamination transmission close-coupled multi-roll mill |
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Application publication date: 20121017 |