CN103406358A - Rapid supporting roller changing mechanism for plate strip rolling mill - Google Patents
Rapid supporting roller changing mechanism for plate strip rolling mill Download PDFInfo
- Publication number
- CN103406358A CN103406358A CN2013103262887A CN201310326288A CN103406358A CN 103406358 A CN103406358 A CN 103406358A CN 2013103262887 A CN2013103262887 A CN 2013103262887A CN 201310326288 A CN201310326288 A CN 201310326288A CN 103406358 A CN103406358 A CN 103406358A
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- connecting axle
- changing mechanism
- backing roll
- strip
- roll
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Abstract
The invention relates to a rapid supporting roller changing mechanism for a plate strip rolling mill. The rapid supporting roller changing mechanism comprises a supporting roller hook (3) and a connecting shaft (8) and is driven by an oil cylinder (6). The rapid supporting roller changing mechanism is characterized in that the connecting shaft (8) is fixed on the supporting roller hook (3) through a bearing and a bearing gland (14), the cross section of the middle of the connecting shaft (8) is in a flat shape with two symmetrically-scraped sides, a shaft hole (18) and an opening both corresponding to the connecting shaft (8) are formed at one end of an oil cylinder connector (9), the diameter of the shaft hole (18) is not less than the section diameter of the connecting shaft (8), a gap at the opening of the end portion of the shaft hole (18) is larger than the distance between two symmetric planes of the connecting shaft (8) and smaller than the section diameter of connecting shaft (8), the piston rod (19) of the oil cylinder (6) is detachably connected at one end of the oil cylinder connector (9), and the oil cylinder connector (9) is fixed on a frame (4) with wheels (5). The rapid supporting roller changing mechanism has the advantages that convenience in operation and maintenance is realized, roller changing time is saved, and auxiliary rolling time is reduced.
Description
Technical field
The present invention relates to a kind of metallurgy strip steel rolling equipment, particularly a kind of quick roll changing mechanism of backing roll for strip-mill strip.
Background technology
For saving roll changing time, improve band productivity ratio, the extensive use on strip-mill strip of backing roll Quick roll-changing device.The backing roll Quick roll-changing device is by hydraulic oil cylinder driving, backing roll to be pulled out or advanced, and the hook of oil cylinder head is connected with the hook on backing roll by connecting axle.While advancing roller, first backing roll is lifted on changing track for roll, then oil cylinder is stretched out allow the half slot of oil cylinder head hook with connecting axle is loaded onto backing roll is pushed to memorial archway after the half slot of backing roll hook is aimed at.Go out roller opposite with it, after backing roll is pulled out from memorial archway, connecting axle is taken out, allow oil cylinder and backing roll throw off, oil cylinder after retracting fully hangs away backing roll.In actual use, the mounting or dismounting of connecting axle are not to be easy to.Because two half slots are the same with the size of connecting axle, so the half slot on two reverse hooks is wanted to align and load onto connecting key by the oil cylinder crawl to need back and forth to adjust for several times oil cylinder head hook position.For save the roll changing time operative employee generally can be chosen in the half slot position near the time with hammer by connecting axle from half slot, pounding into or pounding out.This roller replacing mode not only can increase roll changing time, and easily makes connecting member deformation impaired, directly has influence on productivity ratio.
Summary of the invention
The object of the invention is to overcome the above-mentioned technical problem of above-mentioned prior art, propose a kind of quick roll changing mechanism of backing roll for strip-mill strip of not dismounting connecting axle.
Technical scheme of the present invention is: a kind of quick roll changing mechanism of backing roll for strip-mill strip, this changing rig comprises backing roll hook and connecting axle, and by hydraulic oil cylinder driving, connecting axle is fixed on the backing roll hook by bearing and bearing gland, the cross section at described connecting axle middle part is the flat pattern that bilateral symmetry is scabbled, one end of described connecting axle is equipped with handle, cylinder connector one end has the axis hole corresponding with connecting axle and opening, shaft hole diameter is not less than the connecting axle diameter of section, the opening part spacing of axis hole end is greater than the distance between connecting axle two symmetrical planes, be less than the diameter of section of connecting axle, the cylinder connector other end and cylinder piston rod removably connect, described cylinder connector is fixed on the support body with wheel.
Described backing roll hook and supporting roller bearing seat removably connect.
The bearing of described fixed connection shaft is the high strength self-lubricating bearing, and its end is provided with fastener.
Described cylinder connector is fixed with gland and support body respectively by axial securing means for impeller up and down.
The end that described cylinder connector is connected with cylinder piston rod disposes radial fixing device.
Described wheel is symmetricly set on the support body both sides, and the matching track operation.
Described changing rig is arranged on the fore side of mill housing.
The present invention is pulled out backing roll or advance by hydraulic oil cylinder driving, realizes fast roll changing.During roll change, first backing roll is lifted on changing track for roll, then by plane one sideway swivel at connecting axle middle part to horizontal direction, drive oil cylinder, make connecting axle by opening part, be entered the axis hole of cylinder connector, now by the connecting axle 90-degree rotation, backing roll hook and cylinder connector successful connection, then drive oil cylinder, backing roll is pulled out or pushed memorial archway, realize fast roll changing.After roll change finishes, by connecting axle 90-degree rotation again, make plane one side at connecting axle middle part go to horizontal level, the retraction oil cylinder can disconnect being connected between axle and cylinder connector, backing roll is hung away and gets final product after waiting oil cylinder to retract fully.
The present invention does not need the dismounting connecting axle in the roll change process, have operating maintenance conveniently, saves roll changing time and reduces the rolling characteristics of non-cutting time.
The accompanying drawing explanation
Fig. 1 is the top view of structural principle of the present invention;
Fig. 2 is the A-A cutaway view of Fig. 1;
Fig. 3 is the B-B cutaway view of Fig. 1;
Fig. 4 is the front view of Fig. 1;
In figure, 1, packing ring; 2, screw; 3, backing roll hook; 4, support body; 5, wheel; 6, oil cylinder; 7, bearing; 8, connecting axle; 9, cylinder connector; 10, axial securing means for impeller; 11, gland; 12, track; 13, supporting roller bearing seat; 14, bearing gland; 15, handle; 16, fastener; 17, radial fixing device; 18, axis hole.
The specific embodiment
Below in conjunction with accompanying drawing, structural principle of the present invention and operation principle are described in detail.
In conjunction with Fig. 1, Fig. 3, Fig. 4, the invention provides a kind of quick roll changing mechanism of backing roll for strip-mill strip, this device comprises backing roll hook 3 and connecting axle 8, and is driven by oil cylinder 6.Described backing roll hook 3 removably connects with supporting roller bearing seat 13.Connecting axle 8 is fixed on backing roll hook 3 by bearing 7 and bearing gland 14, and described bearing 7 can be selected the high strength self-lubricating bearing, in its end, fastener 16 can be installed and be fixed, and prevents from coming off.The cross section at connecting axle 8 middle parts is the flat pattern that bilateral symmetry is scabbled, and is convenient to enter the axis hole 18 of cylinder connector 9.One end of connecting axle 8 is equipped with handle 15, can manual rotation connecting axle 8, change the position of facial planes one side in connecting axle 8, and realize and being connected and disconnection of cylinder connector 9.Consider that the roll change frequency is not high, manually more flexible, the cause such as cost is lower, manually comparatively suitable, other modes can make device complicated.Axis hole 18 corresponding matching of connecting axle 8 middle parts and cylinder connector 9 one ends, axis hole 18 diameters are not less than connecting axle 8 diameter of sections, and the opening part spacing of axis hole 18 ends is greater than the distance between connecting axle 8 middle part two symmetrical planes, is less than the diameter of section of connecting axle 8.
Cylinder connector 9 is fixed on the support body 4 with wheel 5, can Shang Xia 9, both sides be installed by axial securing means for impeller 10 at cylinder connector simultaneously, with gland 11 and support body 4, is fixed respectively, prevents cylinder connector 9 rotations.Support body 4 with wheel 5 can not only provide support for the long stroke of the piston rod of oil cylinder 6 stretches out, and also can guarantee that an end of cylinder connector 9 openings can precisely aim at the flat position at connecting axle 8 middle parts, and deviation position not.
Cylinder connector 9 other ends and oil cylinder 6 removably connect, and can with radial fixing device 17 restrictions, rotate simultaneously.Described wheel 5 is symmetricly set on support body 4 both sides, and matching track 12 operations.While driving oil cylinder 6, the wheel 5 on support body 4 is advanced along track 12.
This roll change mechanism is arranged on the fore side of mill housing, is convenient to control.
In conjunction with Fig. 1, Fig. 2, Fig. 4, connecting axle 8 has two positions, and one is connecting position, and one for disconnecting position.During roll change, by plane one sideway swivel at connecting axle 8 middle parts to horizontal direction, drive oil cylinder 6, make connecting axle 8 by opening part, be entered the axis hole 18 of cylinder connector 9, now by connecting axle 8 90-degree rotations, backing roll hook 3 and cylinder connector 9 successful connections, then drive oil cylinder 6, backing roll is pulled out or pushed memorial archway, realize fast roll changing.After roll change finishes, by connecting axle 8 90-degree rotation again, make plane one side at connecting axle 8 middle parts go to horizontal level, retraction oil cylinder 6 can disconnect being connected between axle 8 and cylinder connector 9, backing roll is hung away and gets final product after waiting oil cylinder 6 to retract fully.
In reality, described removably connecting can be passed through screw, nut, packing ring realization, and described fastener can be trip bolt, and described axial securing means for impeller can be key, and described radial fixing device can be pin.
Due to the present invention, do not need the dismounting connecting axle in the roll change process, this has just saved roll changing time greatly, also reduced rolling non-cutting time simultaneously, and this device has the easy to operate and little characteristics of maintenance and repair amount.
The parts that the present embodiment does not describe in detail and structure belong to well-known components and common structure or the conventional means of the industry, here not narration one by one.
Claims (7)
1. quick roll changing mechanism of the backing roll for strip-mill strip, this changing rig comprises backing roll hook (3) and connecting axle (8), and driven by oil cylinder (6), it is characterized in that, connecting axle (8) is fixed on backing roll hook (3) by bearing and bearing gland (14), the cross section at described connecting axle (8) middle part is the flat pattern that bilateral symmetry is scabbled, one end of described connecting axle (8) is equipped with handle (15), cylinder connector (9) one ends have axis hole (18) and the opening corresponding with connecting axle (8), axis hole (18) diameter is not less than connecting axle (8) diameter of section, the opening part spacing of axis hole (18) end is greater than the distance between connecting axle (8) two symmetrical planes, be less than the diameter of section of connecting axle (8), cylinder connector (9) other end and oil cylinder (6) removably connect, described cylinder connector (9) is fixed on the support body (4) with wheel (5).
2. the quick roll changing mechanism of the backing roll for strip-mill strip according to claim 1, is characterized in that, described backing roll hook (3) removably connects with supporting roller bearing seat (13).
3. the quick roll changing mechanism of the backing roll for strip-mill strip according to claim 1, is characterized in that, the bearing (7) of described fixed connection shaft (8) is the high strength self-lubricating bearing, and its end is provided with fastener (16).
4. the quick roll changing mechanism of the backing roll for strip-mill strip according to claim 1, is characterized in that, described cylinder connector (9) is fixed with gland (11) and support body (4) respectively by axial securing means for impeller (10) up and down.
5. the quick roll changing mechanism of the backing roll for strip-mill strip according to claim 1, is characterized in that, the end that described cylinder connector (9) is connected with oil cylinder (6) disposes radial fixing device (17).
6. the quick roll changing mechanism of the backing roll for strip-mill strip according to claim 1, is characterized in that, described wheel (5) is symmetricly set on support body (4) both sides, and matching track (12) operation.
7. the quick roll changing mechanism of the backing roll for strip-mill strip according to claim 1, is characterized in that, described changing rig is arranged on the fore side of mill housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310326288.7A CN103406358B (en) | 2013-07-31 | 2013-07-31 | Rapid supporting roller changing mechanism for plate strip rolling mill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310326288.7A CN103406358B (en) | 2013-07-31 | 2013-07-31 | Rapid supporting roller changing mechanism for plate strip rolling mill |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103406358A true CN103406358A (en) | 2013-11-27 |
| CN103406358B CN103406358B (en) | 2015-04-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310326288.7A Active CN103406358B (en) | 2013-07-31 | 2013-07-31 | Rapid supporting roller changing mechanism for plate strip rolling mill |
Country Status (1)
| Country | Link |
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| CN (1) | CN103406358B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105327939A (en) * | 2015-11-27 | 2016-02-17 | 山东钢铁集团日照有限公司 | Roller set with anti-wrinkling roller capable of being replaced rapidly |
| CN112547795A (en) * | 2020-11-16 | 2021-03-26 | 河钢股份有限公司承德分公司 | Method for disassembling and assembling rolling mill |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07223006A (en) * | 1994-02-15 | 1995-08-22 | Hitachi Cable Ltd | Rolling roll positioning device |
| CN101011708A (en) * | 2007-01-25 | 2007-08-08 | 鞍钢股份有限公司 | Quick replacing device and method for horizontal rolling mill transmission shaft of front-back-hanging vertical rolling mill |
| CN101780473A (en) * | 2009-11-12 | 2010-07-21 | 无锡五冶金属压延有限公司 | Device for drawing intermediate roll of eighteen-roll cold-rolling mill |
| CN203061564U (en) * | 2013-02-22 | 2013-07-17 | 新兴铸管股份有限公司 | Roller quick-change tool |
| CN203470477U (en) * | 2013-07-31 | 2014-03-12 | 中国重型机械研究院股份公司 | Quick back-up roll replacement device for strip rolling mill |
-
2013
- 2013-07-31 CN CN201310326288.7A patent/CN103406358B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07223006A (en) * | 1994-02-15 | 1995-08-22 | Hitachi Cable Ltd | Rolling roll positioning device |
| CN101011708A (en) * | 2007-01-25 | 2007-08-08 | 鞍钢股份有限公司 | Quick replacing device and method for horizontal rolling mill transmission shaft of front-back-hanging vertical rolling mill |
| CN101780473A (en) * | 2009-11-12 | 2010-07-21 | 无锡五冶金属压延有限公司 | Device for drawing intermediate roll of eighteen-roll cold-rolling mill |
| CN203061564U (en) * | 2013-02-22 | 2013-07-17 | 新兴铸管股份有限公司 | Roller quick-change tool |
| CN203470477U (en) * | 2013-07-31 | 2014-03-12 | 中国重型机械研究院股份公司 | Quick back-up roll replacement device for strip rolling mill |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105327939A (en) * | 2015-11-27 | 2016-02-17 | 山东钢铁集团日照有限公司 | Roller set with anti-wrinkling roller capable of being replaced rapidly |
| CN105327939B (en) * | 2015-11-27 | 2017-07-25 | 山东钢铁集团日照有限公司 | A kind of roller group of energy quick-replaceable anti-crease rollers |
| CN112547795A (en) * | 2020-11-16 | 2021-03-26 | 河钢股份有限公司承德分公司 | Method for disassembling and assembling rolling mill |
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| Publication number | Publication date |
|---|---|
| CN103406358B (en) | 2015-04-08 |
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