CN1026174C - Winding drum of strip steel coiling machine - Google Patents
Winding drum of strip steel coiling machine Download PDFInfo
- Publication number
- CN1026174C CN1026174C CN 93100904 CN93100904A CN1026174C CN 1026174 C CN1026174 C CN 1026174C CN 93100904 CN93100904 CN 93100904 CN 93100904 A CN93100904 A CN 93100904A CN 1026174 C CN1026174 C CN 1026174C
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- China
- Prior art keywords
- point
- make
- reel
- radius
- jaw
- Prior art date
- 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.)
- Expired - Lifetime
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- 229910000831 Steel Inorganic materials 0.000 title abstract description 10
- 239000010959 steel Substances 0.000 title abstract description 10
- 238000004804 winding Methods 0.000 title abstract 3
- 230000007704 transition Effects 0.000 claims abstract description 9
- 239000002994 raw material Substances 0.000 claims description 2
- 239000002184 metal Substances 0.000 abstract description 3
- 238000000034 method Methods 0.000 abstract 1
- 238000011084 recovery Methods 0.000 description 3
- 230000007812 deficiency Effects 0.000 description 2
- 229910001374 Invar Inorganic materials 0.000 description 1
- 208000001705 Mouth breathing Diseases 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000029058 respiratory gaseous exchange Effects 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
A winding drum of a strip steel coiler belongs to a winding device of a metal strip and mainly comprises a fan-shaped block (1), a quadrangular pyramid shaft (2), a large jaw (3), a small jaw (4), an arc transition curve (5), an arc groove (6) and the like. The coiler drum. The steel coil collapse is obviously eliminated, the product percent of pass is greatly improved, and auxiliary equipment is not required to be additionally arranged, so that the method is extremely easy to implement.
Description
The present invention relates to a kind of metal coil tape around coiling machine, particularly relate to the coiler mandrel that hightension batches metal tape.
In existing power reel, the coil of strip volume accident of collapsing often appears, influence strip quality, cause the rate of steel products produced to steel ingots and operating rate to reduce, in order to prevent the coil of strip volume that collapses, people take all measures, and commonly used have following several form;
First kind of form be adopt can not breathing solid reel, set up a cover and rewind unit, rewind on another coiling machine with small tension receiving coil and unload volume, the deficiency that adopts this kind form is to increase the equipment of rewinding, and increases workload, investment is expensive, complicated operation.
Second kind of form is not adopt jaw, but adopts the closed reel of wedged seal, the configuration wrapper, and this kind mode not only will be set up wrapper, and can only be used for the coiling machine of small tension receiving coil, because tension force is little, thickness deviation is big, the corresponding reduction of lumber recovery.
The third form is to adopting the reel of the reversible mill that hightension batches, coiler mandrel as sendzimir mill, be provided with jaw breathing mechanism, for preventing to collapse volume at the jaw place, adopt pad corrugated paper or thickened wall sleeve, or inferior measure is rewinded in increase, this form, same owing to will fill up the corrugated paper increase amount of labour, also to consume corrugated block, perhaps owing to want upper bush, increased wrapper, caused inner ring to cut off part band steel, like this coil of strip, not only increase labour intensity but also cause waste, lumber recovery is reduced.
The objective of the invention is at above-mentioned deficiency, providing a kind of not only need not increase auxiliary equipment but also can effectively solve the device that coil of strip collapses and rolls up.
The objective of the invention is to realize by following measure.The steel coil strip coiler mandrel is mainly by secter pat, compositions such as rectangular pyramid axle, mouth of tongs, small forceps mouth, in order to prevent the coil of strip volume that collapses, to be 0 ° from slit vertical axis between mouth of tongs and the little jaw and be processed into the arc transition curve, axial some arc grooves of processing on the secter pat surface to 45 ° of the secter pats.
Slit vertical axis between mouth of tongs and the little jaw rise be 0 ° as follows to the arc transition curve between 45 ° of the secter pats:
(1) angle of stable alpha 1 between 10～30 ° is the center of circle with the axle center 0 of rectangular pyramid axle, is that radius is made circular arc AB with R2=R1-h, and in the formula, R1 is the radius of reel, and h is the mean value of raw material thickness of slab.
(2) between 20～45 °, determine the angle of α 2, and come to determine the position of C point on the circular arc that with R1 is radius thus;
(3) cross the B point and make tangent line, cross the C point and make tangent line, make these 2 two tangent lines intersect at the D point;
(4) cross the bisector DP of ∠ BDC, and make this bisector intersect at the P point of OC line;
(5) connect E point and P point, and make it EP ⊥ BD.
(6) being the center of circle with the P point, is that radius is made EC with PE.
The present invention is processed into the arc transition curve at little jaw and close secter pat place, to reduce with steel not unison in the jaw district, and,, improve the critical pressure of the anti-volume that collapses of coil of strip to reduce jaw district steel band length by dwindling the clearance distance between mouth of tongs and the little jaw; Be provided with arc groove on the secter pat surface, reduced the auto-necking of invar volume and tangential stress the concentrating of causing in the jaw district.Owing to take above measure, thereby the coil of strip volume problem of collapsing is resolved, has increased operating rate of rolling mill, improved lumber recovery, simplified operation sequence, alleviate labor intensity of operating personnel.
Description of drawings:
Fig. 1 is a power reel reel sectional drawing.
Fig. 2 is a power reel reel jaw district schematic diagram.
The invention will be further described below in conjunction with accompanying drawing.
The power reel reel mainly is made up of secter pat (1), rectangular pyramid axle (2), mouth of tongs (3), little jaw (4) etc.In order to prevent the volume that collapses, the one, in secter pat (1) Surface Machining 16 arc grooves (6), the 2nd, from mouth of tongs (3), the slit vertical axis between the little jaw (4) rises and is 0 ° and is processed into arc transition curve (5) between (1) 45 ° of the secter pat.Its arc transition curve (5) is as follows.
(1) getting α 1=25 ° of definite B point is the center of circle with the axle center 0 of rectangular pyramid axle (2), is radius with R2=R1-h, gets R1=255mm, h=2mm in the formula, is the A point with little jaw (4), crosses the A point and makes AB;
(2) get α 2=40 °, and determine C point position with this, the C point is on the R1 circular arc;
(3) cross the B point and make tangent line, cross the C point and make tangent line, and make these two tangent lines prolongations intersect at the D point;
(4) the bisector DP of mistake ∠ BDC makes DP intersect at OC line and P point;
(5) the E point is linked to each other with the P point, and make EP ⊥ BD.
(6) being the center of circle with the P point, is that radius is made EC with PE.
Claims (2)
1, a kind of power reel reel, mainly form by secter pat (1), rectangular pyramid axle (2), mouth of tongs (3), little jaw (4) etc., it is characterized in that the secter pat (1) that little jaw (4) is close with it locates to be processed into arc transition curve (5), secter pat (1) surface is axially arranged with some arc grooves (6).
2, power reel reel according to claim 1, the length that it is characterized in that arc transition curve (5) from slit vertical axis between mouth of tongs (3) and the little jaw (4) be 0 ° to radially 45 ° of secter pat (1).Its arc transition curve (5) is as follows:
(1) angle of stable alpha 1 between 10～30 ° is the center of circle with the axle center 0 of rectangular pyramid axle (2), is radius with R2=R1-h, makes circular arc AB, and R1 is the reel radius in the formula, and h is the mean value of raw material thickness of slab.
(2) between 20～45 °, determine the angle of α 2, and determine that with this C point is being on the circular arc of radius with R1.
(3) cross the B point and make tangent line.Cross the C point and make tangent line, make these two tangent lines intersect at the D point.
(4) make the bisector DP of ∠ BDC and make this bisector intersect at the P point of OC line.
(5) connect E point and P point, and make it EP ⊥ BD.
(6) be the center of circle with the P point, make EC with the PE radius.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 93100904 CN1026174C (en) | 1993-01-17 | 1993-01-17 | Winding drum of strip steel coiling machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 93100904 CN1026174C (en) | 1993-01-17 | 1993-01-17 | Winding drum of strip steel coiling machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1076667A CN1076667A (en) | 1993-09-29 |
| CN1026174C true CN1026174C (en) | 1994-10-12 |
Family
ID=4983303
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 93100904 Expired - Lifetime CN1026174C (en) | 1993-01-17 | 1993-01-17 | Winding drum of strip steel coiling machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1026174C (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10258539A1 (en) * | 2002-12-14 | 2004-06-24 | Sms Demag Ag | Coiler for rolled strip, has trough-roller with elastically-deformable sleeve ring for applying even pressure to coil |
| US7814772B2 (en) * | 2007-11-29 | 2010-10-19 | Metso Minerals, Inc. | Method for manufacturing a coiler drum and a coiler drum |
| CN101905254B (en) * | 2010-07-16 | 2012-06-27 | 宝钢苏冶重工有限公司 | Blanking method of sector plate blanks |
| CN102059274B (en) * | 2010-12-30 | 2012-11-28 | 中色科技股份有限公司 | Sleeve convenient for clamping belt material head |
-
1993
- 1993-01-17 CN CN 93100904 patent/CN1026174C/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| CN1076667A (en) | 1993-09-29 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C06 | Publication | ||
| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20130117 Granted publication date: 19941012 |