CN204448817U - Flexible two intermediate calender rolls of lantern ring type - Google Patents
Flexible two intermediate calender rolls of lantern ring type Download PDFInfo
- Publication number
- CN204448817U CN204448817U CN201520098078.1U CN201520098078U CN204448817U CN 204448817 U CN204448817 U CN 204448817U CN 201520098078 U CN201520098078 U CN 201520098078U CN 204448817 U CN204448817 U CN 204448817U
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- CN
- China
- Prior art keywords
- collar
- calender rolls
- intermediate calender
- flexible
- lantern ring
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The utility model discloses flexible two intermediate calender rolls of a kind of lantern ring type, be made up of at least one axial adjustment ring, at least two collars and a mandrel.Each collar hot charging is on described mandrel; Between adjacent two collars, an axial adjustment ring is set; Spacing between adjacent two collars is 0.01 ~ 1mm.This roller adopts hot charging collar design, and its assembly technology is simple, and production run is reliable.When concrete operations, because its good flexibility, the convexity that can effectively improve in the operation of rolling regulates and plate form control ability; Be particularly useful as the two non-drive intermediate calender rolls of applicable Sendzimir mill.
Description
Technical field
The utility model relates to the two non-drive intermediate calender rolls of multi-roll mill particularly Sendzimir mill, refers to flexible two intermediate calender rolls of a kind of lantern ring type particularly.
Background technology
Multi-roll mill is mainly used in flat cold-rolled sheet and the Thin Strip Steel Rolling Production of high strength steel and Precise Alloy.Common multi-roll mill has: y-type rolling mill, six rollers, inclined eight rollers (MKW milling train), 12 rollers and mill etc.; Wherein most typical multi-roll mill is mill, particularly Sendzimir mill.
Sendzimir mill is subject to extensive use, is that the deflection deformation that working roll causes because of roll-force is less, and roll-force can be distributed in frame equably because its roller system arranges special.Specifically, the roller system of Sendzimir mill is that turriform is arranged by 1-2-3-4, is symmetricly set in eight plum blossom holes of frame up and down: upper and lower two working rolls lean against on two intermediate calender rolls respectively; Upper and lower two right intermediate calender rolls are supported on again on three two intermediate calender rolls; Six two intermediate calender rolls are then supported on eight backing rolls that skin is fixed in plum blossom hole.
In six two intermediate calender rolls, four two intermediate calender rolls being positioned at Sendzimir mill center line both sides are live-roller, and they connect motor and pass through universal drive shaft transmission; Two two intermediate calender rolls be positioned on milling train center line are non-driven rollers, and they are subject to the effect being positioned at two middle backing rolls, regulate and plate form control for transmitting convexity.
Two non-drive intermediate calender rolls of now common Sendzimir mill mainly contain two kinds of forms: the conventional roller of the monoblock type shown in Fig. 1 and the segmented plain formula free roll shown in Fig. 2.In actual production process, the design of the conventional roller of original adoption monoblock type.But the conventional roller of this monoblock type is a solid roll, make and assembly technology simply, but its rigidity is larger.When regulating convexity, the conventional roller of monoblock type cannot meet the adjustment needs being positioned at two middle backing rolls, also accurately cannot control template.For the deficiency of the conventional roller of monoblock type, design again segmented plain formula free roll.This segmented plain formula free roll assembles roller by the mode of segmented plain, and assembling forms a kind of structure of flexible roller.When regulating convexity, segmented plain formula free roll can meet the adjustment needs being positioned at two middle backing rolls, significantly improves the effect that convexity regulates, and effectively solves the problem that the conventional roller of monoblock type is difficult to control template simultaneously.But the processing technology of this segmented plain formula free roll is more complicated, and matching requirements precision is very high, input cost is comparatively large, and grinding and adjustment difficulty, cannot promote the use of on a large scale again.
Summary of the invention
The purpose of this utility model is exactly will provide a kind of processing and assemble flexible two intermediate calender rolls of comparatively easy lantern ring type, ensures that it meets the adjustment needs of two middle backing rolls simultaneously, and accurately can control template.
For achieving the above object, flexible two intermediate calender rolls of the lantern ring type designed by the utility model, comprise a mandrel, at least two collars and at least one axial adjustment ring; Each collar hot charging is on described mandrel; Between adjacent two collars, an axial adjustment ring is set; Spacing between adjacent two collars is L3=0.01 ~ 1mm, and preferred spacing is L3=0.2 ~ 0.5mm.Multiple collar interference hot charging forms two intermediate calender rolls on mandrel, and ensure the gap between adjacent two collars, effectively enhance the flexibility of two intermediate calender rolls, improve its regulating power, the needs of the convexity adjustment being positioned at two middle backing rolls can be met completely, thus improve template ability of regulation and control.
In technique scheme, the collar centre bore of the described collar is the stepped ramp type perforation of aperture inside the macropore of outside, and described axial adjustment ring is embedded in the outside macropore of described collar centre bore.The axial depth of the axial length of described axial adjustment ring and the outside macropore of collar centre bore cooperatively interacts; To ensure the spacing L3=0.01 ~ 1mm between adjacent two collars, or preferred spacing L3=0.2 ~ 0.5mm; Thus guarantee the flexibility of whole two intermediate calender rolls.
In technique scheme, the design of the roller system length of the Sendzimir mill installed according to it, and the fabric width demand of cold rolling material, also consider practical set technique simultaneously, generally choose and be no more than 20 collars, the bus length L1=10 ~ 100mm of the collar selected.Bus length L1 according to the collar is larger, and corresponding collar outer face chamfering fenestra is larger, its radius R=2 ~ 50mm.When two intermediate calender rolls generation deformation bend, adjacent two collars can not be interfered mutually; Thus ensure that whole two intermediate calender rolls meet the convexity regulatory demand of corresponding working roll.
In technique scheme, the employing hot charging mode of the described collar is sleeved on mandrel: its hot charging interference fit length is the axial length of the collar and mandrel phase-contact surface, i.e. collar centre bore axial length L2=10 ~ 100mm; Its hot charging magnitude of interference L4 is the difference of the diameter D1 of mandrel and the diameter D2 of the collar: L4=0.02 ~ 0.05mm.The collar assembled according to this and mandrel combine closely each other, slippage or other unnecessary deformation operationally can not occur, taken into account the needs of the flexible deformation of two intermediate calender rolls simultaneously.
In sum, the utility model has the advantage of:
(1) flexible two intermediate calender rolls of the lantern ring type designed by have good flexibility, and the convexity that can effectively improve in the operation of rolling regulates and plate form control ability.
(2) adopt the mode of interference hot charging to carry out the collar to be arranged on flexible two intermediate calender rolls of obtained lantern ring type on mandrel, assembling mode is comparatively simple, and technique easily realizes.
(3) flexible two intermediate calender rolls of obtained lantern ring type reliable, production cost and cost of refacing lower.
(4) lantern ring type two intermediate calender rolls can be applicable to all Sendzimir mills, and the multi-roll mill of other type also has extensive promotional value.
Accompanying drawing explanation
Fig. 1 is the structural representation of the conventional roller of existing monoblock type.
Fig. 2 is the structural representation of existing segmented plain formula free roll.
Fig. 3 is the structural representation of flexible two intermediate calender rolls of the utility model lantern ring type.
Fig. 4 is the partial structurtes enlarged drawing of Fig. 3.
In figure: mandrel 1, the collar 2, axial adjustment ring 3, collar centre bore 4, collar outer face chamfering circle 5, collar bus length L1, collar centre bore axial length L2, cover ring spacing L3, hot charging magnitude of interference L4, collar outer face chamfering radius of a circle R.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
The structure of the conventional roller of existing monoblock type and segmented plain formula free roll, has done detailed introduction in the introduction, has repeated no more in this as shown in Figure 1, 2.
As shown in Figure 3,4, flexible two intermediate calender rolls of lantern ring type of the present utility model, are sleeved on a mandrel 1 by least one axial adjustment ring 3, at least two collars 2 and form.Each collar 2 adopts the mode of hot charging to be sleeved on described mandrel 1; Between adjacent two collars 2, an axial adjustment ring 3 is set.
For ensureing that the bending effect of whole two intermediate calender rolls reaches design requirement, if the spacing between adjacent two collars 2 is L3=0.01 ~ 1mm.When flexible deformation occurs this two intermediate calender rolls, adjacent two collars 2 can not be interfered mutually, meet work requirements completely.Spacing L3 between adjacent two collars 2 is: during L3=0.2 ~ 0.5mm, better effects if.
Roller system according to Sendzimir mill arranges needs, and the roller particularly required for corresponding cold rolling feeds fabric width is long; Two intermediate calender rolls generally select 2 ~ 20 collars 2 to form.The collar centre bore 5 at the collar 2 center is the stepped ramp type perforation of aperture inside the macropore of outside.Axial adjustment ring 3 suit is embedded in the outside macropore of collar centre bore 5.The axial depth of the axial length of described axial adjustment ring 3 and the outside macropore of collar centre bore 5 cooperatively interacts, to ensure that the spacing L3 of adjacent two collars 2 meets designing requirement.
The bus length of the described collar 2 is L1=10 ~ 100mm; Corresponding, the radius R=2 ~ 50mm of collar outer face chamfering circle 4; To meet the flexible deformation demand of two intermediate calender rolls.
During the described collar 2 hot charging, its hot charging interference fit length is the collar centre bore axial length L2=10 ~ 100m of collar centre bore 4; To ensure that the collar 2 can firmly be arranged on mandrel 1.The hot charging magnitude of interference L4 of the described collar 2 is the difference of the diameter D1 of mandrel 1 and the diameter D2 (i.e. the diameter of the inner side aperture of collar centre bore 4) of the collar 2:
L4＝D1-D2；
L4＝0.02～0.05mm。
Note, the diameter D1 plus tolerance of mandrel 1; The diameter D2 maximum allowance of the collar 2 is zero.
Flexible two intermediate calender rolls of lantern ring type designed by the utility model adopt hot-mounting process, can be arranged on mandrel 1 by fastening for the collar 2; Install between multiple collar 2 and adjacent two collars 2 simultaneously and be set with an axial adjustment ring 3, can ensure that the flexibility of whole two intermediate calender rolls is increased dramatically.It can overcome the deficiency of the conventional roller of existing monoblock type, the needs that the convexity meeting its corresponding backing roll completely regulates, and can control template better.Meanwhile, flexible two intermediate calender rolls of this lantern ring type are compared with segmented plain formula free roll, and packaging technology is easy, does not need higher precision, and install fastening stable, can be replaced.
Claims (8)
1. flexible two intermediate calender rolls of lantern ring type, comprise a mandrel (1), at least two collars (2) and at least one axial adjustment ring (3), it is characterized in that: each collar (2) hot charging is on described mandrel (1); Between adjacent two collars (2), an axial adjustment ring (3) is set; Spacing between adjacent two collars (2) is L3=0.01 ~ 1mm.
2. flexible two intermediate calender rolls of lantern ring type according to claim 1, is characterized in that: the spacing between described adjacent two collars (2) is L3=0.2 ~ 0.5mm.
3. flexible two intermediate calender rolls of lantern ring type according to claim 1 and 2, it is characterized in that: the stepped ramp type that the collar centre bore (4) of the described collar (2) is aperture inside the macropore of outside is bored a hole, and described axial adjustment ring (3) is embedded in the outside macropore of described collar centre bore (4).
4. flexible two intermediate calender rolls of lantern ring type according to claim 1 and 2, it is characterized in that: the hot charging magnitude of interference L4 of the described collar (2) is the difference of the diameter D1 of mandrel (1) and the diameter D2 of the collar (2), L4=0.02 ~ 0.05mm.
5. flexible two intermediate calender rolls of lantern ring type according to claim 1 and 2, is characterized in that: the hot charging interference fit length L2 of the described collar (2) is the axial length of collar centre bore (4), L2=10 ~ 100mm.
6. flexible two intermediate calender rolls of lantern ring type according to claim 1 and 2, is characterized in that: the bus length L1=10 ~ 100mm of the described collar (2).
7. flexible two intermediate calender rolls of lantern ring type according to claim 1 and 2, is characterized in that: described mandrel (1) is upper installs no more than 20 collars (2).
8. flexible two intermediate calender rolls of lantern ring type according to claim 1 and 2, is characterized in that: the radius R=2 ~ 50mm of collar outer face chamfering circle (5) of the described collar (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520098078.1U CN204448817U (en) | 2015-02-11 | 2015-02-11 | Flexible two intermediate calender rolls of lantern ring type |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520098078.1U CN204448817U (en) | 2015-02-11 | 2015-02-11 | Flexible two intermediate calender rolls of lantern ring type |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204448817U true CN204448817U (en) | 2015-07-08 |
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ID=53655765
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520098078.1U Expired - Fee Related CN204448817U (en) | 2015-02-11 | 2015-02-11 | Flexible two intermediate calender rolls of lantern ring type |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204448817U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106903170A (en) * | 2017-02-28 | 2017-06-30 | 武汉科技大学 | A kind of intermediate calender rolls of segmentation second for sendzimir mill |
| CN111318569A (en) * | 2020-03-24 | 2020-06-23 | 沈飞 | Steel plate cold rolling equipment |
-
2015
- 2015-02-11 CN CN201520098078.1U patent/CN204448817U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106903170A (en) * | 2017-02-28 | 2017-06-30 | 武汉科技大学 | A kind of intermediate calender rolls of segmentation second for sendzimir mill |
| CN106903170B (en) * | 2017-02-28 | 2018-07-24 | 武汉科技大学 | A kind of the second intermediate calender rolls of segmentation for sendzimir mill |
| CN111318569A (en) * | 2020-03-24 | 2020-06-23 | 沈飞 | Steel plate cold rolling equipment |
| CN111318569B (en) * | 2020-03-24 | 2021-08-24 | 河北东海特钢集团有限公司 | Steel plate cold rolling equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170731 Address after: 430083, Hubei Wuhan Qingshan District Factory No. 2 Gate joint stock company organs Patentee after: Wuhan iron and Steel Company Limited Address before: 430080, Hubei, Wuhan, Wuchang Friendship Road, Wuhan, No. 999, block A, 15 (Wuhan Science and technology innovation department) Patentee before: Wuhan Iron & Steel (Group) Corp. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150708 Termination date: 20190211 |