CA1072431A - Strip-coiling apparatus - Google Patents
Strip-coiling apparatusInfo
- Publication number
- CA1072431A CA1072431A CA270,258A CA270258A CA1072431A CA 1072431 A CA1072431 A CA 1072431A CA 270258 A CA270258 A CA 270258A CA 1072431 A CA1072431 A CA 1072431A
- Authority
- CA
- Canada
- Prior art keywords
- strip
- roller
- carriage
- bending roller
- severing
- 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
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
- B22D11/12—Accessories for subsequent treating or working cast stock in situ
- B22D11/128—Accessories for subsequent treating or working cast stock in situ for removing
- B22D11/1284—Horizontal removing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
- B22D11/06—Continuous casting of metals, i.e. casting in indefinite lengths into moulds with travelling walls, e.g. with rolls, plates, belts, caterpillars
- B22D11/0637—Accessories therefor
- B22D11/0694—Accessories therefor for peeling-off or removing the cast product
Abstract
ABSTRACT OF THE DISCLOSURE.
In a strip-coiling apparatus a bending roller for deflecting the strip and a severing device for cutting the strip after formation of a coil are arranged to move alternately into a working position immediately downstream of a feed roller so that the leading end of the severed strip can be given the necessary curvature by the bending roller.
In a strip-coiling apparatus a bending roller for deflecting the strip and a severing device for cutting the strip after formation of a coil are arranged to move alternately into a working position immediately downstream of a feed roller so that the leading end of the severed strip can be given the necessary curvature by the bending roller.
Description
~7'~x3~
rnhe invcntion x~la-t~s to an a.pparatus for batch~wise dra~Jing~off of a cast b æ or strip from -the die Oe a horizontal bar casting installation and for rollix~g up the utrip lnto a coil, the app~ratus having a-t leas-t one conveying device~ preferably a conveyor roller, and a preæsure roller co-operating wi-th it, for ~rit}ldrawal o~ the strip ~rom the die~ a bendlng roller directl~ behind coming in-to engagement with the s-trip and adjustable transversely thereto for the rolling up of the strip into a coil9 as well as a severing device for separating the strip into lengths.
Xitherto -there ~rere used for the withdrawal of the s-trip from -the die on the one hand and for the rolling up of -the strip on the other hand sep æ ate con~eying devices, ~hich i~ ac¢ordance with their function in the casting line were placed one behind the other.
For the severing of the ætrip a severing device travelling with the cast strip were provided between the two conveying devices me first conveying device in this arrangement had the purpose of drawing the strip from the die with that rhythm which ensured an optimum quali-ky and quantity of productionO ~he second conveying device served for rolling of the strip into a coil ~he purpose underlying the in~ention is to simplify thereb~
cheapen the cons-truction of the known dra~off and roll-up devices.
As was explained above, previously two conveying devices) especially ~JO
convayor rollers each co-operating with a respective pressure roller, were provided. ~ne severing device for the separating of the cast strip into lengths was arranged between the first and the second pair of rollers. After the cutting off of the strip the first pair of rollers in the direction of advance of the strip served to draw the following strip end out of the die, whereas the second pair of rollers served to advance, especiall~ to roll Up7 the leading s~rip end. ~he transversely -displaceable bending roller ser~ing for the rolling up or coiling of the
rnhe invcntion x~la-t~s to an a.pparatus for batch~wise dra~Jing~off of a cast b æ or strip from -the die Oe a horizontal bar casting installation and for rollix~g up the utrip lnto a coil, the app~ratus having a-t leas-t one conveying device~ preferably a conveyor roller, and a preæsure roller co-operating wi-th it, for ~rit}ldrawal o~ the strip ~rom the die~ a bendlng roller directl~ behind coming in-to engagement with the s-trip and adjustable transversely thereto for the rolling up of the strip into a coil9 as well as a severing device for separating the strip into lengths.
Xitherto -there ~rere used for the withdrawal of the s-trip from -the die on the one hand and for the rolling up of -the strip on the other hand sep æ ate con~eying devices, ~hich i~ ac¢ordance with their function in the casting line were placed one behind the other.
For the severing of the ætrip a severing device travelling with the cast strip were provided between the two conveying devices me first conveying device in this arrangement had the purpose of drawing the strip from the die with that rhythm which ensured an optimum quali-ky and quantity of productionO ~he second conveying device served for rolling of the strip into a coil ~he purpose underlying the in~ention is to simplify thereb~
cheapen the cons-truction of the known dra~off and roll-up devices.
As was explained above, previously two conveying devices) especially ~JO
convayor rollers each co-operating with a respective pressure roller, were provided. ~ne severing device for the separating of the cast strip into lengths was arranged between the first and the second pair of rollers. After the cutting off of the strip the first pair of rollers in the direction of advance of the strip served to draw the following strip end out of the die, whereas the second pair of rollers served to advance, especiall~ to roll Up7 the leading s~rip end. ~he transversely -displaceable bending roller ser~ing for the rolling up or coiling of the
2 ~
107'h~31 ~trip i~ arr~n~ed at n ~rnall distc~ce behind the seco~d pair of roller~.
~hereby the strlp, ~hortl~ after it has lcft the second pair of rollers, c~n be given the curvatu~e required ~or rolling it up into a coil. An arrangement of -the bending roller at a greater distance from the second pair of rollers i~ on this account not pos~ible, since then the lead~ing part of the strip over the len~th of the spacing of the bending roller from the second pair of rollers ca~not be curved but remains s-traight, as a result of ~rhich re~ular rolling up into a coil would no longer be possible, since for this purpose a uniformly curved leading piece is necessary.
If, for simplification of the installation, one seeks to arrange only one pair o~ rollers, the aevering device comes after the bending roller and severs the strip after the bending roller has fallen behind the latter, so that the withdrawal of the strip from the die is then possible, it is true, but the disadvantage arises that after severing of the strip a straight piece of strip remains between the pair of rollers and the severing device, ~rhich upon renewed engagement of ~he bending roller can no longer be curved and thereb~Y also hinders orderly rolling up of the stxip. ~he bringing of -the severing device between the pair of rollers and the bending roller is not possible on this account9 since then a greater ~pacing is reql~red~ which~ a~ wa~ set out above~ must be a~oided.
~aving regæ d to the foregoing explanation the requirements arise that while only a single pair of rollers should strict~Y be necessary, on the one hand the bending roller should be arranged at the smallest possible separation after the pair of rollers and on the other hand the severing of the strip should be possible l~kewise at the smallest possible separation after the pair of rollers.
~n accordance with the invention the problem of col~letely meeting both the above-stated requirements in an apparatus of the .: , . . . .
'' ' ~ . ' :
.
, , : ' ' ~iD7'~9~3~
type stated in the introd~lction is solved by using the circumstance that the bending roller and the severing device have to come into operation not simultaneously but one a~ter the other.
The solution of the problem consists in accordance with the invention in that the bending roller is shiftable ~ut of the region directly behind the conveying device and that the severing device, which is displaceable in a known manner, is shiftable into this region.
Preferably, in order to achieve this, the bending roller and the severing device are mounted on a slide which, for example by means of a hydraulic cylinder, is displaceable in the strip di-rection into that position in which the severing device is direc-tly behind the conveying device, so that the s-trip can be separa-ted directly behind the latter.
According to further preferred characteristics the con-veying device consists of a driven conveyor roller and a pressure roller engaging the other side of the strip in the region of the conveyor roller and the pressure roller is also mounted on the slide, while the displacement path of the slide is approximately equal to the separation of the bending roller from the conveying roller. Further, the slide can be provided in a known manner with at least one pair of clamps, whose clamps, for example hy-draulically, can be brought into engagement with points on the cast strip which lie opposite one another, whereby the slide can be coupled with the cast strip and the severing device follows the drawing-off movement of the cast strip during the severing.
By means of such an apparatus it is therefore possible, with a single, motor-driven conveying device, to effect both the drawing-off of the cast strip from the die and also the rolling up of the drawn-off strip into a coil, without thereby obtaining undesirable long, straight leading parts of the cast strips.
The invention is particularly directed toward an appa~
~r ~
7~3~
ratus ~or coil.ing strip material comprising advancing means ~or the strip, a bending roller to ds-flect the strip advanced by th0 advancing means and thereby cause it ~o roll up into a coil, the bending roller being shi~'table transversely to the plane o~ the strip, and a severing device for separating the strip after -for-mation of a coil. The bending roller is movable between a work-ing position immediately downs-tream of the advancing means and an idle position and the severing device is movable into the working position when the bending roller is removed.
, - 4a -1~7'~
~n embodiment of -the inve~tion is f~rther expl~ln~d ln ~,hat follows ~rith reference to the clra~rin6rs~ in ~7hloh Fig, 1. is a schematic side elevation of an apparatus in accordance with the inventlon.
Fig. 2. is a similar side eleva-tion in another operating position.
Fig. 3. is a detail, in ~ide eleration, enlarged, and Fig. 4. is an elevation and partiallg a section on the line A-A of Fig.2.
Qn a machine frame 1 there are arranged above t,he oast s-trip 20 two hydraulically or pneumatic~lly drivable conveyor rollers 2, 3 and below the strip two non-driven pressure rollere 4, 5, the rollers 2 and
107'h~31 ~trip i~ arr~n~ed at n ~rnall distc~ce behind the seco~d pair of roller~.
~hereby the strlp, ~hortl~ after it has lcft the second pair of rollers, c~n be given the curvatu~e required ~or rolling it up into a coil. An arrangement of -the bending roller at a greater distance from the second pair of rollers i~ on this account not pos~ible, since then the lead~ing part of the strip over the len~th of the spacing of the bending roller from the second pair of rollers ca~not be curved but remains s-traight, as a result of ~rhich re~ular rolling up into a coil would no longer be possible, since for this purpose a uniformly curved leading piece is necessary.
If, for simplification of the installation, one seeks to arrange only one pair o~ rollers, the aevering device comes after the bending roller and severs the strip after the bending roller has fallen behind the latter, so that the withdrawal of the strip from the die is then possible, it is true, but the disadvantage arises that after severing of the strip a straight piece of strip remains between the pair of rollers and the severing device, ~rhich upon renewed engagement of ~he bending roller can no longer be curved and thereb~Y also hinders orderly rolling up of the stxip. ~he bringing of -the severing device between the pair of rollers and the bending roller is not possible on this account9 since then a greater ~pacing is reql~red~ which~ a~ wa~ set out above~ must be a~oided.
~aving regæ d to the foregoing explanation the requirements arise that while only a single pair of rollers should strict~Y be necessary, on the one hand the bending roller should be arranged at the smallest possible separation after the pair of rollers and on the other hand the severing of the strip should be possible l~kewise at the smallest possible separation after the pair of rollers.
~n accordance with the invention the problem of col~letely meeting both the above-stated requirements in an apparatus of the .: , . . . .
'' ' ~ . ' :
.
, , : ' ' ~iD7'~9~3~
type stated in the introd~lction is solved by using the circumstance that the bending roller and the severing device have to come into operation not simultaneously but one a~ter the other.
The solution of the problem consists in accordance with the invention in that the bending roller is shiftable ~ut of the region directly behind the conveying device and that the severing device, which is displaceable in a known manner, is shiftable into this region.
Preferably, in order to achieve this, the bending roller and the severing device are mounted on a slide which, for example by means of a hydraulic cylinder, is displaceable in the strip di-rection into that position in which the severing device is direc-tly behind the conveying device, so that the s-trip can be separa-ted directly behind the latter.
According to further preferred characteristics the con-veying device consists of a driven conveyor roller and a pressure roller engaging the other side of the strip in the region of the conveyor roller and the pressure roller is also mounted on the slide, while the displacement path of the slide is approximately equal to the separation of the bending roller from the conveying roller. Further, the slide can be provided in a known manner with at least one pair of clamps, whose clamps, for example hy-draulically, can be brought into engagement with points on the cast strip which lie opposite one another, whereby the slide can be coupled with the cast strip and the severing device follows the drawing-off movement of the cast strip during the severing.
By means of such an apparatus it is therefore possible, with a single, motor-driven conveying device, to effect both the drawing-off of the cast strip from the die and also the rolling up of the drawn-off strip into a coil, without thereby obtaining undesirable long, straight leading parts of the cast strips.
The invention is particularly directed toward an appa~
~r ~
7~3~
ratus ~or coil.ing strip material comprising advancing means ~or the strip, a bending roller to ds-flect the strip advanced by th0 advancing means and thereby cause it ~o roll up into a coil, the bending roller being shi~'table transversely to the plane o~ the strip, and a severing device for separating the strip after -for-mation of a coil. The bending roller is movable between a work-ing position immediately downs-tream of the advancing means and an idle position and the severing device is movable into the working position when the bending roller is removed.
, - 4a -1~7'~
~n embodiment of -the inve~tion is f~rther expl~ln~d ln ~,hat follows ~rith reference to the clra~rin6rs~ in ~7hloh Fig, 1. is a schematic side elevation of an apparatus in accordance with the inventlon.
Fig. 2. is a similar side eleva-tion in another operating position.
Fig. 3. is a detail, in ~ide eleration, enlarged, and Fig. 4. is an elevation and partiallg a section on the line A-A of Fig.2.
Qn a machine frame 1 there are arranged above t,he oast s-trip 20 two hydraulically or pneumatic~lly drivable conveyor rollers 2, 3 and below the strip two non-driven pressure rollere 4, 5, the rollers 2 and
3 co-operating t~th tha rollers 4 and 5, respectively. ~krther there is arranged under the strip 20 a hydraulically or pneumatically vertically shiftable bending roller 6. Addi-tionally there is provided on the ~rame 1 a longitudinal slide or carriage 8 which i8 displaceable in the direction of the strip by means of a hydraulic cylinder 7, which carries the pressure roller 5 and the bending roller 6 and fuxthermore is equipped ~Tith a transverse slide 9 on ~lhich a severing tool, for example a saw disc 11, together with a drive motor~ is provided. ~he transverse slide 9 can be displaced across the stxip bg an associated hydraulically - operable advan¢e and retract cyl~nder 10. Further there are provided on the sl~de 8 a clamping device 16 (Figs 3 and 4) for ~i~m connection with the cast strip 20 of the longitudinal slîde 8 ~hich carxie~the severing device 11 and on the frame 1 t~o rollers 12 ~or the support of the rolled-up coil, as well as feed rollers 13 and 14 lging against the sides o~ the latter and a roller track 15 connected to -the app æ atus ~or -the reception o severed coils.
~y arranging the bendlng roller 6 and the severing devioe 11 on the longitudinal c æriage 8 the possibilit~ is obtai~ed of effecting .
." ' :
3~
the engagement of the bending roller 6 and also the ~evering of the s-trip directly behind the conveying roller 37 ~hereby the ~tr~l~ht end ~tub o~ -the strip ce~ be k~p-t very short in the manner re~uired for the rolling up of a ~resh coil.
me working procedure i9 as ~ollous:
At the commencement of cas-ting the slide 8 is in the marking position sho~ in Fig. 1, but the bending roller 6 remains in the lowered position until a leading edge of the cast s-trip 20 has left the pair of rollers 3 2nd 5, so -tha-t the ca~t band i9 gripped by this conveying device. ~8 aoon as this is the case9 the leading edge is removed and the bending roller 6 is positioned by rai~ing it so that the rollinb~ - up begins.
After reaching the desired coil weight ~thich for example is reached with five to ten turns of the cast strip, the bending roller 6 is again lowered to the level of the pressure roller 5, whereupon the ooil rolls out onto the roll track 15. After the lowering of the bending roller 6 the longitudinal slide 8 is driven by the hydraulic ¢ylinder 7 into the severing position of ~ig.2, whereby the severing device 11 come~ to lie dire¢tly behind the conveyor roller 3 and the bendlng roller 6 come~ to lie generally opposite the conveyor roller ~. qhe dra~ng-off of the strip continues thereby unaltered. As soon as the desired length of the straight end piece is rea¢hed, tha longitudinal carriage is automatically by means o~ an end switch or by means of light barrîers a-ttached forcibl~ to the ca~t strip 20 through the clamping devices 16 (visible in ~igs 3 and 4), the severing device 11 is set in operation by energising it3 drive motor, and the transverse sliae is put in motion by loading the associated hydraulic advance cylinder 1 O. mus the ~trip is severed4 mr~ugh the clamping o~ the longitudinal ~lide 8 to the cast strip~ the severing device 11 follows the intermittent movement of the cast strip during the cutting operation. Qs ~oon as the cast strip .
. .
.
.
~(~7Z~3~
ha~ b~en ae~ered., -the MOtor o:~ -th~ se~ering de~ice i8 F~titohed off, -~he -tr~n~versc slide 9 .~ rctracted, -the clc~mpin~ devices 16 c~re opened, and the coil ~rith it~ ~tral~ht s-trip end 1~ a.dvanced by a roller drive tô the end positlon o~ the roller track 15 sho~ in Flg. 1. at the right. At the ~me time the longitudinal slide 8 is returned by means of the hydraulic cylinder 7 to its starting position according to Fig.1. Thereupon the renewed rolling-up of the s~rip in the descrlbed mc~nner oan be begun.
For clarification it is remarked that ~he pair of rollers 2 7
~y arranging the bendlng roller 6 and the severing devioe 11 on the longitudinal c æriage 8 the possibilit~ is obtai~ed of effecting .
." ' :
3~
the engagement of the bending roller 6 and also the ~evering of the s-trip directly behind the conveying roller 37 ~hereby the ~tr~l~ht end ~tub o~ -the strip ce~ be k~p-t very short in the manner re~uired for the rolling up of a ~resh coil.
me working procedure i9 as ~ollous:
At the commencement of cas-ting the slide 8 is in the marking position sho~ in Fig. 1, but the bending roller 6 remains in the lowered position until a leading edge of the cast s-trip 20 has left the pair of rollers 3 2nd 5, so -tha-t the ca~t band i9 gripped by this conveying device. ~8 aoon as this is the case9 the leading edge is removed and the bending roller 6 is positioned by rai~ing it so that the rollinb~ - up begins.
After reaching the desired coil weight ~thich for example is reached with five to ten turns of the cast strip, the bending roller 6 is again lowered to the level of the pressure roller 5, whereupon the ooil rolls out onto the roll track 15. After the lowering of the bending roller 6 the longitudinal slide 8 is driven by the hydraulic ¢ylinder 7 into the severing position of ~ig.2, whereby the severing device 11 come~ to lie dire¢tly behind the conveyor roller 3 and the bendlng roller 6 come~ to lie generally opposite the conveyor roller ~. qhe dra~ng-off of the strip continues thereby unaltered. As soon as the desired length of the straight end piece is rea¢hed, tha longitudinal carriage is automatically by means o~ an end switch or by means of light barrîers a-ttached forcibl~ to the ca~t strip 20 through the clamping devices 16 (visible in ~igs 3 and 4), the severing device 11 is set in operation by energising it3 drive motor, and the transverse sliae is put in motion by loading the associated hydraulic advance cylinder 1 O. mus the ~trip is severed4 mr~ugh the clamping o~ the longitudinal ~lide 8 to the cast strip~ the severing device 11 follows the intermittent movement of the cast strip during the cutting operation. Qs ~oon as the cast strip .
. .
.
.
~(~7Z~3~
ha~ b~en ae~ered., -the MOtor o:~ -th~ se~ering de~ice i8 F~titohed off, -~he -tr~n~versc slide 9 .~ rctracted, -the clc~mpin~ devices 16 c~re opened, and the coil ~rith it~ ~tral~ht s-trip end 1~ a.dvanced by a roller drive tô the end positlon o~ the roller track 15 sho~ in Flg. 1. at the right. At the ~me time the longitudinal slide 8 is returned by means of the hydraulic cylinder 7 to its starting position according to Fig.1. Thereupon the renewed rolling-up of the s~rip in the descrlbed mc~nner oan be begun.
For clarification it is remarked that ~he pair of rollers 2 7
4, whioh is coupled direct~ with the pair of roller~ ~, 5 only serves to assi~-t the pair of rollers ~,5~ cand ~undamentally i8 not nece~sary.
'' ' ' ' . ' :
'' ' ' ' . ' :
Claims (6)
1. Apparatus for coiling strip material comprising advancing means for said strip, a bending roller to deflect the strip advanced by said advancing means and thereby cause it to roll up into a coil, the bending roller being shiftable transversely to the plane of the strip, and a severing device for separating the strip after formation of a coil, wherein the bending roller is movable between a working position immediately downstream of the advancing means and an idle position and the severing device is movable into the working position when the bending roller is removed.
2. Apparatus as claimed in claim 1 in which said advancing means comprise a conveyor roller and a pressure roller co-operating therewith.
3. Apparatus as claimed in claim 1 comprising a carriage displaceable in the direction of travel of the strip, said bending roller and severing means being mounted on the carriage for movement into and out of the working position by the carriage.
4. Apparatus as claimed in claim 3 including a hydraulic ram for displacement of said carriage.
5. Apparatus as claimed in claim 3 wherein said advancing means comprises a pressure roller mounted on the carriage and a driven conveyor roller engaging the side of the strip opposite to the pressure roller, the range of displacement of the carriage being approximately equal to the separation of the bending roller from the pressure roller and the severing means being downstream of the bending roller.
6. Apparatus as claimed in claim 3 having clamping means on the carriage for attachment of the carriage to the strip during the severing operation.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AT44676A AT352923B (en) | 1976-01-23 | 1976-01-23 | DEVICE FOR THORNLESS WINDING OF A STRIP-SHAPED CAST RAND |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1072431A true CA1072431A (en) | 1980-02-26 |
Family
ID=3490825
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA270,258A Expired CA1072431A (en) | 1976-01-23 | 1977-01-21 | Strip-coiling apparatus |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JPS5290450A (en) |
| AT (1) | AT352923B (en) |
| CA (1) | CA1072431A (en) |
| DE (1) | DE2702134C2 (en) |
| GB (1) | GB1561924A (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4768364A (en) * | 1986-11-04 | 1988-09-06 | Wyrepak Industries, Inc. | Continuous coiling machine for rod and strip stock |
| DE19831111A1 (en) * | 1998-07-11 | 2000-01-13 | Km Europa Metal Ag | Process for producing a metal strip that can be wound into a coil and horizontal strip casting installation for carrying out the process |
| CN107138554A (en) * | 2017-06-29 | 2017-09-08 | 广东含元工业技术有限公司 | A kind of metal plates and strips winder |
-
1976
- 1976-01-23 AT AT44676A patent/AT352923B/en not_active IP Right Cessation
-
1977
- 1977-01-20 DE DE19772702134 patent/DE2702134C2/en not_active Expired
- 1977-01-20 GB GB237377A patent/GB1561924A/en not_active Expired
- 1977-01-21 CA CA270,258A patent/CA1072431A/en not_active Expired
- 1977-01-21 JP JP504677A patent/JPS5290450A/en active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5290450A (en) | 1977-07-29 |
| DE2702134C2 (en) | 1984-08-02 |
| DE2702134A1 (en) | 1977-07-28 |
| GB1561924A (en) | 1980-03-05 |
| ATA44676A (en) | 1979-03-15 |
| AT352923B (en) | 1979-10-10 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |