CN204107988U - A kind of foreplate of Work Roll of Strip Rolling Mill band chip removal gathering sill - Google Patents
A kind of foreplate of Work Roll of Strip Rolling Mill band chip removal gathering sill Download PDFInfo
- Publication number
- CN204107988U CN204107988U CN201420496242.XU CN201420496242U CN204107988U CN 204107988 U CN204107988 U CN 204107988U CN 201420496242 U CN201420496242 U CN 201420496242U CN 204107988 U CN204107988 U CN 204107988U
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- China
- Prior art keywords
- chip removal
- gathering sill
- foreplate
- rear portion
- anterior
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Abstract
The utility model is a kind of foreplate of Work Roll of Strip Rolling Mill band chip removal gathering sill, relate to rolling mill guides, solve the problem of existing foreplate not easily chip removal, this foreplate is provided with anterior chip removal gathering sill, slab guiding rib and rear portion chip removal gathering sill, wherein: anterior chip removal gathering sill is arranged on the forward position that foreplate presses close to operation roll of mill, it is provided with anterior chip removal guide angle; Rear portion chip removal gathering sill is arranged on the rear positions that foreplate presses close to enter milling train place steel billet, and it is provided with first, second rear portion chip removal guide angle; Slab guiding rib, is arranged on the end of foreplate, the rolling center line parallel of itself and milling train; Anterior chip removal gathering sill and rear portion chip removal gathering sill are same axis arranged, and and described slab guiding rib be that interval is arranged.This foreplate has the function of guiding and chip removal, is conducive to improving finished product hot rolled plate surface quality.
Description
Technical field
The utility model relates to strip-mill strip foreplate, refers in particular to a kind of foreplate of Work Roll of Strip Rolling Mill band chip removal gathering sill.
Background technology
The alloy sheet strip steekle mill production line of specialty metal is a kind of based on the strip production line of titanium or titanium alloy, high temperature alloy, abros, Precise Alloy, special stainless steel, mould steel, abrasion-resistant stee, heat resisting steel, low magnetic steel and common stainless steel, adopts 2800mm+2000mm Stand Mill to arrange.Wherein, 2800mm is a 4-high reversing roughing mill, is provided with four rolls in framework memorial archway, and middle two is upper working rolls and lower working rolls, through electric-motor drive, two working rolls is relatively rotated.Secondly, the pressure of 4-high reversing roughing mill and bascule lifting top roll working roll, lower roll working roll is seated on lower roll elevation adjusting device, jointly forms the opening degree required for rolling.The work roll table that 4-high reversing roughing mill is imported and exported and frame roller way, be rolled between responsible roll gap steel billet being sent into upper working rolls and lower working rolls in relative rotation, the motor of the reversible speed change of low speed ensures that steel billet can between upper working rolls and lower working rolls, carry out the rolling of reciprocal multi-pass, billet rolling is become to meet the finished product hot rolled plate that product quality requires.
Alloy sheet strip steekle mill production line is at the operation initial stage, and to debug the production technology of all kinds of steel grade, specification, output is relatively low.As shown in Fig. 1 a-Fig. 1 c, in process of production, a large amount of hammer scales of generation are deposited in the surface of the foreplate 11 of Work Roll of Strip Rolling Mill 12 (comprising top roll 121 and lower roll 122) to steel billet 3.Foreplate 11 is one of rolled piece crucial control pieces entering and derive milling train groove, and its surface is provided with several rhone 111.For avoid steel billet 13 nip milling train time, the hammer scale on foreplate 1 surface is brought into milling train by steel billet lower surface, cause surface of steel plate large area pit pitted skin, make use of the production interval between steel billet and steel billet, adopt the method for water under high pressure artificial flushing, rinse the hammer scale being deposited in Work Roll of Strip Rolling Mill foreplate surface, the rhone 111 through foreplate 11 surface is got rid of, and ensure that the quality of production of hot rolled plate.But along with the increase of output, and part easily produces the production of hammer scale steel grade, continues the method adopting artificial high pressure water washing, will cause to produce and pause and production efficiency low.If reduce the flushing of artificial water under high pressure, the hammer scale of steel billet 13 lower surface is pressed into the situation of steel billet all the more significantly, causes part finished product hot rolled plate surface to occur pit, reduces lumber recovery.
Produce hot rolled plate surface occur the main cause of pit be due to work on hand roller import and export foreplate 11 with between steel billet 13 for face contacts, the a large amount of hammer scales produced in steel billet 13 rolling are deposited in foreplate 11 surface, when being stacked into a certain amount of, just have partial oxidation iron filings and brought into working roll 12 by steel billet 13, cause finished product hot rolled plate surface to occur pit.Here it is, and existing Work Roll of Strip Rolling Mill imports and exports the weak point of foreplate.
Utility model content
The purpose of this utility model is to solve prior art Problems existing, a kind of foreplate of Work Roll of Strip Rolling Mill band chip removal gathering sill is provided, can ensure that the guide function of former foreplate is constant, can ensure steel billet in process of production again, a large amount of hammer scales of generation are automatically derived and are not deposited in the surface of foreplate.
The purpose of this utility model is achieved through the following technical solutions:
A foreplate for Work Roll of Strip Rolling Mill band chip removal gathering sill, is characterized in that described foreplate is provided with anterior chip removal gathering sill, slab guiding rib and rear portion chip removal gathering sill, wherein:
Described anterior chip removal gathering sill is Baltimore groove, it is arranged on the forward position that foreplate presses close to operation roll of mill, anterior chip removal gathering sill is provided with anterior chip removal guide angle R1, and described anterior chip removal guide angle R1 is the angle that the baseplane of anterior chip removal gathering sill and the rolling centerline of milling train are formed;
Described rear portion chip removal gathering sill is Baltimore groove, it is arranged on the rear positions that foreplate presses close to enter milling train place steel billet, rear portion chip removal gathering sill is provided with the first rear portion chip removal guide angle R2 and the second rear portion chip removal guide angle R3, described first rear portion chip removal guide angle R2 is the angle of the formation of the rolling centerline of the first rear portion chip removal gathering sill and milling train, and described second rear portion chip removal guide angle R3 is the angle that the rolling centerline of the second rear portion chip removal gathering sill and milling train is formed;
Slab guiding rib, is arranged on the end of foreplate, the rolling center line parallel of itself and milling train;
Anterior chip removal gathering sill and rear portion chip removal gathering sill are same axis arranged, and and described slab guiding rib be that interval is arranged.
Described anterior chip removal guide angle R1 is 10 ° ~ 30 °.
Described first rear portion chip removal guide angle R2 is 10 ° ~ 30 °, and described second rear portion chip removal guide angle R3 is 45 ° ~ 60 °.
Between described anterior chip removal gathering sill and rear portion chip removal gathering sill the end height of joint face and slab guiding rib height contour.
Described anterior chip removal gathering sill and rear portion chip removal gathering sill adopt circular arc radian R4 transition to be connected with the junction of slab guiding rib respectively.
Described circular arc radian R4 is diameter is the circular arc radian that 40 ~ 60mm justifies.
Width L=40 ~ the 100mm of described slab guiding rib.
The beneficial effects of the utility model:
The foreplate of Work Roll of Strip Rolling Mill band chip removal gathering sill of the present utility model, owing to foreplate devising front and rear portions chip removal gathering sill, to reduce or the hammer scale that produces between steel billet and foreplate in having stopped to produce is piled up.This foreplate had both met the needs of steel billet guide function in Work Roll of Strip Rolling Mill production process, also solved the problem of the hammer scale accumulation produced between steel billet and foreplate in production.Therefore, this foreplate has the function of guiding and chip removal, is conducive to improving finished product hot rolled plate surface quality.This foreplate structure is simple, easy to process.
For further illustrating above-mentioned purpose of the present utility model, design feature and effect, below with reference to accompanying drawing, the utility model is described in detail.
Accompanying drawing explanation
Fig. 1 a is existing Work Roll of Strip Rolling Mill foreplate structural representation; Fig. 1 b is the A-A view of Fig. 1 a; Fig. 1 c is the operating diagram of Fig. 1 a foreplate;
Fig. 2 a is the foreplate structural representation of the utility model Work Roll of Strip Rolling Mill band chip removal gathering sill; Fig. 2 b be Fig. 2 a top view; Fig. 2 c is the B-B view of Fig. 2 a;
Fig. 3 a is the foreplate structure distribution schematic diagram of the utility model Work Roll of Strip Rolling Mill band chip removal gathering sill; Fig. 3 b is the C-C view of Fig. 3 a;
Fig. 4 a is the guide angle schematic diagram of the utility model Work Roll of Strip Rolling Mill band chip removal gathering sill; Fig. 4 b is the D-D view of Fig. 4 a;
Fig. 5 a is the employing circular arc wise manner transition connection diagram of the utility model Work Roll of Strip Rolling Mill band chip removal gathering sill; Fig. 5 b is the enlarged diagram at P position in Fig. 5 a.
Detailed description of the invention
Accompanying drawing below in conjunction with embodiment is described in detail to detailed description of the invention of the present utility model.
See Fig. 2 a-Fig. 2 c, Work Roll of Strip Rolling Mill 22 of the present utility model is provided with foreplate, and this foreplate is the foreplate 21 of band chip removal gathering sill, it is provided with anterior chip removal gathering sill 211, slab guiding rib 213 and rear portion chip removal gathering sill 212, wherein:
Described anterior chip removal gathering sill 211 is Baltimore grooves, it is arranged on the forward position that foreplate 21 presses close to operation roll of mill 22, as shown in Figs. 4 a-b, anterior chip removal gathering sill 211 is provided with anterior chip removal guide angle R1, R1 is 10 ° ~ 30 °, and described anterior chip removal guide angle R1 is the angle that the baseplane of anterior chip removal gathering sill and the rolling centerline of milling train are formed.
Described rear portion chip removal gathering sill 212 is Baltimore grooves, it is arranged on the rear positions that foreplate 21 presses close to enter milling train place steel billet, as shown in Figs. 4 a-b, rear portion chip removal gathering sill 211 is provided with the first rear portion chip removal guide angle R2 and the second rear portion chip removal guide angle R3, wherein R2 is 10 ° ~ 30 °, R3 is 45 ° ~ 60 °, described first rear portion chip removal guide angle R2 is the angle of the formation of the rolling centerline of the first rear portion chip removal gathering sill and milling train, and described second rear portion chip removal guide angle R3 is the angle that the rolling centerline of the second rear portion chip removal gathering sill and milling train is formed).
Slab guiding rib 213, is arranged on the end of foreplate 21, the rolling center line parallel of itself and milling train.
As shown in Fig. 3 a-Fig. 3 b, anterior chip removal gathering sill 211 and rear portion chip removal gathering sill 212 in same axis arranged, and and slab guiding rib 213 arrange in interval; End height and the slab guiding rib 13 of the joint face 214 (shown in Fig. 2 b) between anterior chip removal gathering sill 211 and rear portion chip removal gathering sill are highly contour, and this structure is conducive to the bulk strength keeping foreplate.
See Fig. 5 a-Fig. 5 b, anterior chip removal gathering sill 211, rear portion chip removal gathering sill 212 adopts circular arc wise manner transition to be connected with slab guiding rib junction respectively.
As mentioned above, shown in Fig. 4 a-Fig. 4 b, the problem that the hammer scale produced when rolling for steel billet need be got rid of, anterior chip removal gathering sill 211 is designed with anterior chip removal guide angle R1, R1 is 10 ° ~ 30, the hammer scale produced during rolling, get rid of forward through anterior chip removal guide angle R1 place, the hammer scale produced when solving rolling is brought into the problem of operation roll of mill by steel billet, for steel billet when rolling, a large amount of hammer scale is deposited in the problem that foreplate surface need be got rid of, rear portion chip removal gathering sill 212 arranges the first rear portion chip removal guide angle R2 and the second rear portion chip removal guide angle R3, wherein R2 angle Selection is 10 ° ~ 30 ° scopes, R2 angle Selection is 45 ° ~ 60 ° scopes, steel billet can be solved when the joint face by the anterior chip removal gathering sill 211 of foreplate and rear portion chip removal gathering sill 212, because two chip removal guide angle R2 and R3 of fricative all kinds of foreign matter from rear portion get rid of backward, avoid the problem that steel billet bottom foreign matter enters operation roll of mill.
As shown in Figs. 4 a-b, for ensureing the rigid of foreplate 21 entirety and reducing the contact area of slab guiding rib 213 and steel billet bottom, width value L=40 ~ the 100mm of the slab guiding rib 213 that the present embodiment is selected, effectively can solve the intensity of foreplate 21 and reduce the scratch of foreplate 21 pairs of steel billet lower surfaces.
As shown in Fig. 3 a-Fig. 3 b, anterior chip removal gathering sill 211 and rear portion chip removal gathering sill 212 are in same axis arranged and anterior chip removal gathering sill 211, rear portion chip removal gathering sill 212 and slab guiding rib 213 are arranged in interval, are conducive to the raising 2 of the overall construction intensity of foreplate.
As shown in Fig. 5 a-Fig. 5 b, anterior chip removal gathering sill 211 adopts circular sliding slopes with the junction of slab guiding rib 213, and circular arc radian is R4.Rear portion chip removal gathering sill 212 adopts circular sliding slopes with the junction of slab guiding rib 13, and circular arc radian is also R4, and described circular arc radian R4 is diameter is the circular arc radian that 40 ~ 60mm justifies.
Those of ordinary skill in the art will be appreciated that, above embodiment is only used to the purpose of this utility model is described, and be not used as restriction of the present utility model, as long as in essential scope of the present utility model, the change of the above embodiment, modification all will be dropped in the scope of claim of the present utility model.
Claims (7)
1. a foreplate for Work Roll of Strip Rolling Mill band chip removal gathering sill, is characterized in that described foreplate is provided with anterior chip removal gathering sill, slab guiding rib and rear portion chip removal gathering sill, wherein:
Described anterior chip removal gathering sill is Baltimore groove, it is arranged on the forward position that foreplate presses close to operation roll of mill, anterior chip removal gathering sill is provided with anterior chip removal guide angle (R1), and described anterior chip removal guide angle (R1) is the angle that the baseplane of anterior chip removal gathering sill and the rolling centerline of milling train are formed;
Described rear portion chip removal gathering sill is Baltimore groove, it is arranged on the rear positions that foreplate presses close to enter milling train place steel billet, rear portion chip removal gathering sill is provided with the first rear portion chip removal guide angle (R2) and the second rear portion chip removal guide angle (R3), described first rear portion chip removal guide angle (R2) is the angle of the formation of the rolling centerline of the first rear portion chip removal gathering sill and milling train, and described second rear portion chip removal guide angle (R3) is the angle that the rolling centerline of the second rear portion chip removal gathering sill and milling train is formed;
Slab guiding rib, is arranged on the end of foreplate, the rolling center line parallel of itself and milling train;
Anterior chip removal gathering sill and rear portion chip removal gathering sill are same axis arranged, and and described slab guiding rib be that interval is arranged.
2. the foreplate of Work Roll of Strip Rolling Mill band chip removal gathering sill as claimed in claim 1, is characterized in that:
Described anterior chip removal guide angle (R1) is 10 ° ~ 30 °.
3. the foreplate of Work Roll of Strip Rolling Mill band chip removal gathering sill as claimed in claim 1, is characterized in that:
Described first rear portion chip removal guide angle (R2) is 10 ° ~ 30 °, and described second rear portion chip removal guide angle (R3) is 45 ° ~ 60 °.
4. the foreplate of Work Roll of Strip Rolling Mill band chip removal gathering sill as claimed in claim 1, is characterized in that:
Between described anterior chip removal gathering sill and rear portion chip removal gathering sill the end height of joint face and slab guiding rib height contour.
5. the foreplate of Work Roll of Strip Rolling Mill band chip removal gathering sill as claimed in claim 1, is characterized in that:
Described anterior chip removal gathering sill and rear portion chip removal gathering sill adopt circular arc radian (R4) transition to be connected with the junction of slab guiding rib respectively.
6. the foreplate of Work Roll of Strip Rolling Mill band chip removal gathering sill as claimed in claim 5, is characterized in that:
Described circular arc radian (R4) is diameter is the circular arc radian that 40 ~ 60mm justifies.
7. the foreplate of Work Roll of Strip Rolling Mill band chip removal gathering sill as claimed in claim 1, is characterized in that:
Width L=40 ~ the 100mm of described slab guiding rib.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420496242.XU CN204107988U (en) | 2014-08-29 | 2014-08-29 | A kind of foreplate of Work Roll of Strip Rolling Mill band chip removal gathering sill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420496242.XU CN204107988U (en) | 2014-08-29 | 2014-08-29 | A kind of foreplate of Work Roll of Strip Rolling Mill band chip removal gathering sill |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204107988U true CN204107988U (en) | 2015-01-21 |
Family
ID=52325347
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420496242.XU Expired - Fee Related CN204107988U (en) | 2014-08-29 | 2014-08-29 | A kind of foreplate of Work Roll of Strip Rolling Mill band chip removal gathering sill |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204107988U (en) |
-
2014
- 2014-08-29 CN CN201420496242.XU patent/CN204107988U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| 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: 20150121 Termination date: 20210829 |