US20090223269A1 - Method and apparatus for continuously manufacturing metal sheets - Google Patents
Method and apparatus for continuously manufacturing metal sheets Download PDFInfo
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- US20090223269A1 US20090223269A1 US12/043,987 US4398708A US2009223269A1 US 20090223269 A1 US20090223269 A1 US 20090223269A1 US 4398708 A US4398708 A US 4398708A US 2009223269 A1 US2009223269 A1 US 2009223269A1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B15/00—Arrangements for performing additional metal-working operations specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
- B21B15/0085—Joining ends of material to continuous strip, bar or sheet
Definitions
- the present invention relates to a method and an apparatus for continuously manufacturing metal sheets, and more particularly to a method and an apparatus for continuously manufacturing metal sheets by rolling.
- FIG. 1 shows a schematic view of a conventional apparatus for continuously manufacturing metal sheets.
- the conventional continuously manufacturing apparatus 1 includes an unwinder 11 , a welding device 12 , a piler 13 , a main processing device 14 , and a winder 15 .
- the unwinder 11 is used for unwinding a metal coil 16 (for example, a steel coil).
- the main processing device 14 is used for processing the metal coil 16 passing through it, and the processing method is cold rolling, acid pickling, annealing, zinc-plating, balking varnish, finishing, tempering, leveling, punching, or roll forming.
- the winder 15 is used for continuously winding the metal coil 16 passing through the main processing device 14 .
- the two metal coils 16 are joined as follows: the ends of the two metal coils 16 are first abutted, and then welded together by the welding device 12 .
- the piler 13 includes a plurality of rollers 131 .
- the rollers 131 are capable of moving upward and downward, so as to adjust the total length of the metal coil 16 in the piler 13 , thus achieving the purpose of article piling.
- the conventional continuously manufacturing apparatus 1 has the following defects. First the alignment of the two ends of the two metal coils 16 needs to be highly accurate. That is, the ends of the two metal coils 16 must be perfectly aligned with each other in order not to affect the subsequent process, and this results in an increase of the manufacturing cost. Secondly, after welding, a protruding welding seam 161 is left at the ends of the two metal coils 16 , as shown in FIG. 2 , and thus a device for leveling the welding seam 161 must be added. Thirdly, the piler 13 is not only expensive, but also occupies a large space.
- the present invention is mainly directed to a method for continuously manufacturing metal sheets, which includes the following steps: (a) providing a first metal coil having a first end and a second end; (b) continuously driving the first end of the first metal coil to move forward; (c) providing a second metal coil having a first end and a second end; and (d) lapping and rolling the first end of the second metal coil and the second end of the first metal coil, so that the second metal coil moves forward following the first metal coil.
- the present invention is further directed to an apparatus for continuously manufacturing metal sheets which includes a first unwinder, a second unwinder, a rolling device, and a conveyor device.
- the first unwinder is used for unwinding a first metal coil.
- the second unwinder is used for unwinding a second metal coil.
- the rolling device is used for rolling one end of the first metal coil and one end of the second metal coil.
- the conveyor device is used for continuously driving the first metal coil and the second metal coil joined to the first metal coil.
- the first end of the second metal coil overlaps the second end of the first metal coil, so the alignment does not need to be highly accurate as in the conventional continuously manufacturing apparatus. Moreover, as the upper and lower surfaces of the rolled portion are even, the device for leveling the welding seam as in the conventional continuously manufacturing apparatus is unnecessary. Further, the present invention only makes a delay of less than 3 seconds in rolling, so a small piler is needed, thus reducing the space of the production line and saving the facility cost.
- FIG. 1 is a schematic view of a conventional apparatus for continuously manufacturing metal sheets
- FIG. 2 is a schematic view of a welding seam left after welding according to a conventional joining manner
- FIG. 3 is a schematic view of an apparatus for continuously manufacturing metal sheets according to the present invention.
- FIG. 4 is a schematic view of a rolling device in the apparatus for continuously manufacturing metal sheets according to the present invention.
- FIG. 5 shows a rolled portion after rolling according to a joining manner of the present invention.
- FIG. 6 is a flow chart of a method for continuously manufacturing metal sheets according to the present invention.
- FIG. 3 shows a schematic view of an apparatus for continuously manufacturing metal sheets according to the present invention.
- the continuously manufacturing apparatus 3 includes a first unwinder 31 , a second unwinder 32 , a preprocessing device 33 , a rolling device 34 , a post-processing device 35 , a main processing device 36 , a conveyor device (for example, a plurality of pulleys 41 ), and a winder 37 .
- the first unwinder 31 is used for unwinding a first metal coil 38 .
- the first metal coil 38 has a first end (front end) and a second end 381 (rear end).
- the unwound first metal coil 38 is a flat sheet, and is driven by the conveyor device to enter the main processing device 36 .
- the main processing device 36 is used for processing the first metal coil 38 passing through it, and the processing method is cold rolling, acid pickling, annealing, zinc-plating, baking varnish, finishing, tempering, leveling, punching, or roll forming.
- the first metal coil 38 passing through the main processing device 36 is wound by the winder 37 or directly reprocessed (for example, by punching shear).
- the first end of the first metal coil 38 is wound by the winder 37 .
- the second unwinder 32 is used for unwinding a second metal coil 39 .
- the second metal coil 39 has a first end (front end) 391 and a second end (rear end).
- the unwound second metal coil 39 is a flat sheet, and is driven by the conveyor device.
- the second metal coil 39 and the first metal coil 38 may be of the same material or of different materials.
- the preprocessing device 33 is used for preprocessing the first end 391 of the second metal coil 39 and the second end 381 of the first metal coil 38 .
- the preprocessing device 33 includes a surface treatment device (not shown), for treating surfaces to be joined.
- the surfaces to be joined include a lower surface of the first end 391 of the second metal coil 39 and an upper surface of the second end 381 of the first metal coil 38 .
- the method of surface treatment is selected from among mechanical polishing, mechanical sand-blasting, stamping, and plasma spraying, or combinations thereof.
- Surface treatment is employed to remove an oxide layer or oil film on the surfaces to be joined, so as to expose the metal substances on the lower surface of the first end 391 of the second metal coil 39 and the upper surface of the second end 381 of the first metal coil 38 , thereby achieving an effect of joining by rolling.
- the materials of the second metal coil 39 and the first metal coil 38 are both steel, mechanical polishing and mechanical sand-blasting are adopted in sequence. If the material of the second metal coil 39 or the first metal coil 38 is aluminum, only mechanical polishing is adopted, and mechanical sand-blasting is unnecessary.
- the preprocessing device 33 further includes a heating device (not shown), for heating the first end 391 of the second metal coil 39 and the second end 381 of the first metal coil 38 .
- FIG. 4 shows a schematic view of a rolling device in the apparatus for continuously manufacturing metal sheets according to the present invention.
- the rolling device 34 is used for rolling the second end 381 of the first metal coil 38 and the first end 391 of the second metal coil 39 .
- the rolling device 34 includes two rollers 341 . When the first end 391 of the second metal coil 39 overlaps the second end 381 of the first metal coil 38 , the rollers 341 contact and roll the first end 391 of the second metal coil 39 and the second end 381 of the first metal coil 38 , so as to form a rolled portion 40 ( FIG. 5 ).
- the post-processing device 35 is used for post-processing the rolled portion 40 between the first end 391 of the second metal coil 39 and the second end 381 of the first metal coil 38 .
- the post-processing device 35 includes at trimming device (not shown), for trimming off protruding portions at both sides of the rolled portion 40 .
- the post-processing device 35 includes a marking device (not shown), for forming a mark on the rolled portion 40 .
- the conveyor device continuously drives the first metal coil 38 and the second metal coil 39 joined to the first metal coil 38 to enter the main processing device 36 .
- the main processing device 36 processes the second metal coil 39 passing through it.
- the processing method is cold rolling, acid pickling, annealing, zinc-plating, baking varnish, finishing, tempering, leveling, punching, or roll forming.
- the second metal coil 39 passing through the main processing device 36 is wound by the winder 37 or directly reprocessed (for example, by punching shear).
- the second metal coil 39 is continuously wound by the winder 37 after the first metal coil 38 .
- the present invention has the following advantages. Firstly, the first end 391 of the second metal coil 39 overlaps the second end 381 of the first metal coil 38 , so the alignment does not need to be highly accurate as in the conventional continuously manufacturing apparatus 1 . Secondly, as the upper and lower surfaces of the rolled portion 40 are even, the device for leveling the welding seam 161 as in the conventional continuously manufacturing apparatus 1 is unnecessary. Thirdly, the present invention only causes a delay of less than 3 seconds in rolling, so a small piler is needed, thus reducing the space of the production line and saving the facility cost.
- FIG. 6 shows a flow chart of a method for continuously manufacturing metal sheets according to the present invention.
- the method for continuously manufacturing metal sheets according to the present invention includes the following steps.
- Step S 601 a first metal coil 38 having a first end and a second end 381 is provided.
- Step S 602 the first metal coil 38 is mainly processed by cold rolling, acid pickling, annealing, zinc-plating, baking varnish, finishing, tempering, leveling, punching, or roll forming.
- Step S 603 the first end of the first metal coil 38 is continuously driven to move forward, so that the first end of the first metal coil 38 is continuously wound or the first metal coil 38 is directly reprocessed (for example, by punching shear). In this embodiment, the first end of the first metal coil 38 is continuously wound by the winder 37 .
- Step S 604 a second metal coil 39 having a first end 391 and a second end is provided.
- Step S 605 the surfaces to be joined at the first end 391 of the second metal coil 39 and the second end 381 of the first metal coil 38 are preprocessed.
- the surfaces to be joined include the lower surface of the first end 391 of the second metal coil 39 and the upper surface of the second end 381 of the first metal coil 38 .
- the method of surface treatment is selected from among mechanical polishing, mechanical sand-blasting, stamping, and plasma spraying, or combinations thereof. Surface treatment is employed to remove an oxide layer or oil film on the surfaces to be joined, so as to expose the metal substances on the lower surface of the first end 391 of the second metal coil 39 and the upper surface of the second end 381 of the first metal coil 38 , thereby enhancing the joining effect.
- the preprocessing step is heating, so as to heat up the first end 391 of the second metal coil 39 and the second end 381 of the first metal coil 38 .
- Step S 606 the first end 391 of the second metal coil 39 and the second end 381 of the first metal coil 38 overlap each other and are rolled to form a rolled portion 40 , so that the second metal coil 39 moves forward following the first metal coil 38 .
- Step S 607 the rolled portion 40 between the first end 391 of the second metal coil 39 and the second end 381 of the first metal coil 38 is post-processed.
- the post-processing step is trimming off protruding portions at both sides of the rolled portion 40 .
- the post-processing step is forming a mark on the rolled portion 40 .
- Step S 608 the second metal coil 39 is mainly processed.
- the processing method is cold rolling, acid pickling, annealing, zinc-plating, baking varnish, finishing, tempering, leveling, punching, or roll forming.
- the second metal coil 39 is wound or directly reprocessed (for example, by punching shear)
- the second metal coil 39 is continuously wound after the first metal coil 38 . It is understood that, when the second metal coil 39 is completely unwound, if necessary, another metal coil is unwound and the front end of the metal coil must be joined to the second end of the second metal coil 39 , in order not to interrupt the production line.
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Abstract
The present invention relates to a method and an apparatus for continuously manufacturing metal sheets. The method includes: (a) providing a first metal coil having a first end and a second end; (b) continuously driving the first end of the first metal coil to move forward; (c) providing a second metal coil having a first end and a second end; and (d) lapping and rolling the first end of the second metal coil and the second end of the first metal coil, so that the second metal coil moves forward following the first metal coil. In this way, the present invention only causes a few seconds' delay in rolling, so a small piler is needed, thus reducing the space of the production line and saving the facility cost.
Description
- 1. Field of the Invention
- The present invention relates to a method and an apparatus for continuously manufacturing metal sheets, and more particularly to a method and an apparatus for continuously manufacturing metal sheets by rolling.
- 2. Description of the Related Art
-
FIG. 1 shows a schematic view of a conventional apparatus for continuously manufacturing metal sheets. The conventional continuously manufacturingapparatus 1 includes anunwinder 11, awelding device 12, apiler 13, amain processing device 14, and awinder 15. Theunwinder 11 is used for unwinding a metal coil 16 (for example, a steel coil). Themain processing device 14 is used for processing themetal coil 16 passing through it, and the processing method is cold rolling, acid pickling, annealing, zinc-plating, balking varnish, finishing, tempering, leveling, punching, or roll forming. Thewinder 15 is used for continuously winding themetal coil 16 passing through themain processing device 14. - When the
unwinder 11 finishes unwinding themetal coil 16, as themain processing device 14 and the winder 15 must keep running, anothermetal coil 16 should be fitted onto theunwinder 11 and its front end must be joined to the rear end of theprevious metal coil 16, in order not to interrupt the production line. In the conventional continuously manufacturingapparatus 1, the twometal coils 16 are joined as follows: the ends of the twometal coils 16 are first abutted, and then welded together by thewelding device 12. - It takes about 20-30 seconds for the
welding device 12 to weld the ends of the twometal coils 16. During welding, themain processing device 14 and the winder 15 still keep running, so thepiler 13 is needed for piling articles. Thepiler 13 includes a plurality ofrollers 131. Therollers 131 are capable of moving upward and downward, so as to adjust the total length of themetal coil 16 in thepiler 13, thus achieving the purpose of article piling. - The conventional continuously manufacturing
apparatus 1 has the following defects. First the alignment of the two ends of the twometal coils 16 needs to be highly accurate. That is, the ends of the twometal coils 16 must be perfectly aligned with each other in order not to affect the subsequent process, and this results in an increase of the manufacturing cost. Secondly, after welding, a protrudingwelding seam 161 is left at the ends of the twometal coils 16, as shown inFIG. 2 , and thus a device for leveling thewelding seam 161 must be added. Thirdly, thepiler 13 is not only expensive, but also occupies a large space. - Therefore, an innovative and advanced method and apparatus for continuously manufacturing metal sheets are needed to solve the above problems.
- The present invention is mainly directed to a method for continuously manufacturing metal sheets, which includes the following steps: (a) providing a first metal coil having a first end and a second end; (b) continuously driving the first end of the first metal coil to move forward; (c) providing a second metal coil having a first end and a second end; and (d) lapping and rolling the first end of the second metal coil and the second end of the first metal coil, so that the second metal coil moves forward following the first metal coil.
- The present invention is further directed to an apparatus for continuously manufacturing metal sheets which includes a first unwinder, a second unwinder, a rolling device, and a conveyor device. The first unwinder is used for unwinding a first metal coil. The second unwinder is used for unwinding a second metal coil. The rolling device is used for rolling one end of the first metal coil and one end of the second metal coil. The conveyor device is used for continuously driving the first metal coil and the second metal coil joined to the first metal coil.
- The first end of the second metal coil overlaps the second end of the first metal coil, so the alignment does not need to be highly accurate as in the conventional continuously manufacturing apparatus. Moreover, as the upper and lower surfaces of the rolled portion are even, the device for leveling the welding seam as in the conventional continuously manufacturing apparatus is unnecessary. Further, the present invention only makes a delay of less than 3 seconds in rolling, so a small piler is needed, thus reducing the space of the production line and saving the facility cost.
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FIG. 1 is a schematic view of a conventional apparatus for continuously manufacturing metal sheets; -
FIG. 2 is a schematic view of a welding seam left after welding according to a conventional joining manner; -
FIG. 3 is a schematic view of an apparatus for continuously manufacturing metal sheets according to the present invention; -
FIG. 4 is a schematic view of a rolling device in the apparatus for continuously manufacturing metal sheets according to the present invention; -
FIG. 5 shows a rolled portion after rolling according to a joining manner of the present invention; and -
FIG. 6 is a flow chart of a method for continuously manufacturing metal sheets according to the present invention. -
FIG. 3 shows a schematic view of an apparatus for continuously manufacturing metal sheets according to the present invention. The continuously manufacturingapparatus 3 includes afirst unwinder 31, asecond unwinder 32, a preprocessingdevice 33, arolling device 34, apost-processing device 35, amain processing device 36, a conveyor device (for example, a plurality of pulleys 41), and awinder 37. Thefirst unwinder 31 is used for unwinding afirst metal coil 38. Thefirst metal coil 38 has a first end (front end) and a second end 381 (rear end). The unwoundfirst metal coil 38 is a flat sheet, and is driven by the conveyor device to enter themain processing device 36. Themain processing device 36 is used for processing thefirst metal coil 38 passing through it, and the processing method is cold rolling, acid pickling, annealing, zinc-plating, baking varnish, finishing, tempering, leveling, punching, or roll forming. - Afterward, the
first metal coil 38 passing through themain processing device 36 is wound by thewinder 37 or directly reprocessed (for example, by punching shear). In this embodiment, the first end of thefirst metal coil 38 is wound by thewinder 37. - The
second unwinder 32 is used for unwinding asecond metal coil 39. Thesecond metal coil 39 has a first end (front end) 391 and a second end (rear end). The unwoundsecond metal coil 39 is a flat sheet, and is driven by the conveyor device. Thesecond metal coil 39 and thefirst metal coil 38 may be of the same material or of different materials. When thefirst unwinder 31 finishes unwinding thefirst metal coil 38, as themain processing device 36 and the winder 37 must keep running, thesecond metal coil 39 should be fitted onto thesecond unwinder 32 to be unwound and thefirst end 391 of thesecond metal coil 39 must be joined to thesecond end 381 of thefirst metal coil 38, in order not to interrupt the production line. - The preprocessing
device 33 is used for preprocessing thefirst end 391 of thesecond metal coil 39 and thesecond end 381 of thefirst metal coil 38. In this embodiment, thepreprocessing device 33 includes a surface treatment device (not shown), for treating surfaces to be joined. The surfaces to be joined include a lower surface of thefirst end 391 of thesecond metal coil 39 and an upper surface of thesecond end 381 of thefirst metal coil 38. The method of surface treatment is selected from among mechanical polishing, mechanical sand-blasting, stamping, and plasma spraying, or combinations thereof. Surface treatment is employed to remove an oxide layer or oil film on the surfaces to be joined, so as to expose the metal substances on the lower surface of thefirst end 391 of thesecond metal coil 39 and the upper surface of thesecond end 381 of thefirst metal coil 38, thereby achieving an effect of joining by rolling. For example, if the materials of thesecond metal coil 39 and thefirst metal coil 38 are both steel, mechanical polishing and mechanical sand-blasting are adopted in sequence. If the material of thesecond metal coil 39 or thefirst metal coil 38 is aluminum, only mechanical polishing is adopted, and mechanical sand-blasting is unnecessary. - In other applications, the
preprocessing device 33 further includes a heating device (not shown), for heating thefirst end 391 of thesecond metal coil 39 and thesecond end 381 of thefirst metal coil 38. -
FIG. 4 shows a schematic view of a rolling device in the apparatus for continuously manufacturing metal sheets according to the present invention. Therolling device 34 is used for rolling thesecond end 381 of thefirst metal coil 38 and thefirst end 391 of thesecond metal coil 39. In this embodiment, therolling device 34 includes tworollers 341. When thefirst end 391 of thesecond metal coil 39 overlaps thesecond end 381 of thefirst metal coil 38, therollers 341 contact and roll thefirst end 391 of thesecond metal coil 39 and thesecond end 381 of thefirst metal coil 38, so as to form a rolled portion 40 (FIG. 5 ). - Again referring to
FIG. 3 , thepost-processing device 35 is used for post-processing the rolledportion 40 between thefirst end 391 of thesecond metal coil 39 and thesecond end 381 of thefirst metal coil 38. In this embodiment thepost-processing device 35 includes at trimming device (not shown), for trimming off protruding portions at both sides of the rolledportion 40. In other applications, thepost-processing device 35 includes a marking device (not shown), for forming a mark on the rolledportion 40. - Afterward, the conveyor device continuously drives the
first metal coil 38 and thesecond metal coil 39 joined to thefirst metal coil 38 to enter themain processing device 36. Then, themain processing device 36 processes thesecond metal coil 39 passing through it. Again, the processing method is cold rolling, acid pickling, annealing, zinc-plating, baking varnish, finishing, tempering, leveling, punching, or roll forming. - Afterward, the
second metal coil 39 passing through themain processing device 36 is wound by thewinder 37 or directly reprocessed (for example, by punching shear). In this embodiment, thesecond metal coil 39 is continuously wound by thewinder 37 after thefirst metal coil 38. - It is understood that when the
second unwinder 32 finishes unwinding thesecond metal coil 39, if necessary, another metal coil is fitted onto thefirst unwinder 31 to be unwound and the front end of the metal coil must be joined to the second end of thesecond metal coil 39, in order not to interrupt the production line. - The present invention has the following advantages. Firstly, the
first end 391 of thesecond metal coil 39 overlaps thesecond end 381 of thefirst metal coil 38, so the alignment does not need to be highly accurate as in the conventional continuously manufacturingapparatus 1. Secondly, as the upper and lower surfaces of the rolledportion 40 are even, the device for leveling thewelding seam 161 as in the conventional continuously manufacturingapparatus 1 is unnecessary. Thirdly, the present invention only causes a delay of less than 3 seconds in rolling, so a small piler is needed, thus reducing the space of the production line and saving the facility cost. -
FIG. 6 shows a flow chart of a method for continuously manufacturing metal sheets according to the present invention. Referring toFIG. 3 , the method for continuously manufacturing metal sheets according to the present invention includes the following steps. In Step S601, afirst metal coil 38 having a first end and asecond end 381 is provided. In Step S602, thefirst metal coil 38 is mainly processed by cold rolling, acid pickling, annealing, zinc-plating, baking varnish, finishing, tempering, leveling, punching, or roll forming. In Step S603, the first end of thefirst metal coil 38 is continuously driven to move forward, so that the first end of thefirst metal coil 38 is continuously wound or thefirst metal coil 38 is directly reprocessed (for example, by punching shear). In this embodiment, the first end of thefirst metal coil 38 is continuously wound by thewinder 37. - In Step S604, a
second metal coil 39 having afirst end 391 and a second end is provided. - In Step S605, the surfaces to be joined at the
first end 391 of thesecond metal coil 39 and thesecond end 381 of thefirst metal coil 38 are preprocessed. The surfaces to be joined include the lower surface of thefirst end 391 of thesecond metal coil 39 and the upper surface of thesecond end 381 of thefirst metal coil 38. In this embodiment, the method of surface treatment is selected from among mechanical polishing, mechanical sand-blasting, stamping, and plasma spraying, or combinations thereof. Surface treatment is employed to remove an oxide layer or oil film on the surfaces to be joined, so as to expose the metal substances on the lower surface of thefirst end 391 of thesecond metal coil 39 and the upper surface of thesecond end 381 of thefirst metal coil 38, thereby enhancing the joining effect. For example, if the materials of thesecond metal coil 39 and thefirst metal coil 38 are both steel, mechanical polishing and mechanical sand-blasting are adopted in sequence. If the material of thesecond metal coil 39 or thefirst metal coil 38 is aluminum, only mechanical polishing is adopted, and mechanical sand-blasting is unnecessary. In other applications, the preprocessing step is heating, so as to heat up thefirst end 391 of thesecond metal coil 39 and thesecond end 381 of thefirst metal coil 38. - In Step S606, the
first end 391 of thesecond metal coil 39 and thesecond end 381 of thefirst metal coil 38 overlap each other and are rolled to form a rolledportion 40, so that thesecond metal coil 39 moves forward following thefirst metal coil 38. - In Step S607, the rolled
portion 40 between thefirst end 391 of thesecond metal coil 39 and thesecond end 381 of thefirst metal coil 38 is post-processed. In this embodiment, the post-processing step is trimming off protruding portions at both sides of the rolledportion 40. In other applications, the post-processing step is forming a mark on the rolledportion 40. - In Step S608, the
second metal coil 39 is mainly processed. After thefirst metal coil 38 is mainly processed, thesecond metal coil 39 joined to thefirst metal coil 38 is then mainly processed. Again, the processing method is cold rolling, acid pickling, annealing, zinc-plating, baking varnish, finishing, tempering, leveling, punching, or roll forming. - Afterward, the
second metal coil 39 is wound or directly reprocessed (for example, by punching shear) In this embodiment, thesecond metal coil 39 is continuously wound after thefirst metal coil 38. It is understood that, when thesecond metal coil 39 is completely unwound, if necessary, another metal coil is unwound and the front end of the metal coil must be joined to the second end of thesecond metal coil 39, in order not to interrupt the production line. - While several embodiments of the present invention have been illustrated and described, various modifications and improvements can be made by those skilled in the art. The embodiments of the present invention are therefore described in an illustrative but not restrictive sense. It is intended that the present invention should not be limited to the particular forms as illustrated, and that all modifications which maintain the spirit and scope of the present invention are within the scope defined in the appended claims.
Claims (25)
1. A method for continuously manufacturing metal sheets, comprising:
(a) providing a first metal coil having a first end and a second end;
(b) continuously driving the first end of the first metal coil to move forward;
(c) providing a second metal coil having a first end and a second end;
(d) lapping and rolling the first end of the second metal coil and the second end of the first metal coil, so that the second metal coil moves forward following the first metal coil.
2. The continuously manufacturing method as claimed in claim 1 , further comprising a step of mainly processing the first metal coil after Step (a).
3. The continuously manufacturing method as claimed in claim 2 , wherein the mainly processing method is selected from among cold rolling, acid pickling, annealing, zinc-plating, baking varnish, finishing, tempering, leveling, punching, and roll forming.
4. The continuously manufacturing method as claimed in claim 1 , further comprising a step of preprocessing the first end of the second metal coil and the second end of the first metal coil after Step (c).
5. The continuously manufacturing method as claimed in claim 4 , wherein the preprocessing step comprises surface treatment, so as to expose the metal substances at the first end of the second metal coil and the second end of the first metal coil.
6. The continuously manufacturing method as claimed in claim 5 , wherein the method of surface treatment is selected from among mechanical polishing, mechanical sand-blasting, stamping, and plasma spraying.
7. The continuously manufacturing method as claimed in claim 4 , wherein the preprocessing step comprises heating, so as to heat up the first end of the second metal coil and the second end of the first metal coil.
8. The continuously manufacturing method as claimed in claim 1 , further comprising a step of post-processing a rolled portion between the first end of the second metal coil and the second end of the first metal coil after Step (d).
9. The continuously manufacturing method as claimed in claim 8 , wherein the post-processing step comprises trimming off protruding portions at both sides of the rolled portion.
10. The continuously manufacturing method as claimed in claim 8 , wherein the post-processing step comprises forming a mark on the rolled portion.
11. The continuously manufacturing method as claimed in claim 1 , further comprising a step of mainly processing the second metal coil after Step (d).
12. The continuously manufacturing method as claimed in claim 11 , wherein the mainly processing method is selected from among cold rolling, acid pickling, annealing, zinc-plating, baking varnish, finishing, tempering, leveling, punching, and roll forming.
13. An apparatus for continuously manufacturing metal sheets, comprising:
a first unwinder, for unwinding a first metal coil;
a second unwinder, for unwinding a second metal coil;
a rolling device, for rolling one end of the first metal coil and one end of the second metal coil; and
a conveyor device, for continuously driving the first metal coil and the second metal coil joined to the first metal coil.
14. The continuously manufacturing apparatus as claimed in claim 13 , further comprising a main processing device, for processing metal coils passing through it.
15. The continuously manufacturing method as claimed in claim 14 , wherein the processing method of the main processing device is selected from among cold rolling, acid pickling, annealing, zinc-plating, baking varnish, finishing, tempering, leveling, punching, and roll forming.
16. The continuously manufacturing apparatus as claimed in claim 13 , further comprising a preprocessing device, for preprocessing the end of the second metal coil and the end of the first metal coil.
17. The continuously manufacturing apparatus as claimed in claim 16 , wherein the preprocessing device comprises a surface treatment device, for exposing the metal substances at the end of the second metal coil and the end of the first metal coil.
18. The continuously manufacturing apparatus as claimed in claim 16 , wherein the preprocessing device comprises a heating device, for heating up the end of the second metal coil and the end of the first metal coil.
19. The continuously manufacturing apparatus as claimed in claim 13 , further comprising a post-processing device, for post-processing a rolled portion between the end of the second metal coil and the end of the first metal coil.
20. The continuously manufacturing apparatus as claimed in claim 19 , wherein the post-processing device comprises a trimming device, for trimming off protruding portions at both sides of the rolled portion.
21. The continuously manufacturing apparatus as claimed in claim 19 , wherein the post-processing device comprises a marking device, for forming a mark on the rolled portion.
22. The continuously manufacturing apparatus as claimed in claim 13 , wherein the first metal coil and the second metal coil are of the same material.
23. The continuously manufacturing apparatus as claimed in claim 13 , wherein the first metal coil and the second metal coil are of different materials.
24. The continuously manufacturing apparatus as claimed in claim 13 , wherein the rolling device comprises two rollers, for contacting the end of the first metal coil and the end of the second metal coil.
25. The continuously manufacturing apparatus as claimed in claim 13 , further comprising a winder, for continuously winding the first metal coil and the second metal coil joined to the first metal coil.
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US12/043,987 US20090223269A1 (en) | 2008-03-07 | 2008-03-07 | Method and apparatus for continuously manufacturing metal sheets |
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US12/043,987 Abandoned US20090223269A1 (en) | 2008-03-07 | 2008-03-07 | Method and apparatus for continuously manufacturing metal sheets |
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US (1) | US20090223269A1 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20090225269A1 (en) * | 2008-03-07 | 2009-09-10 | Chunghwa Picture Tubes, Ltd. | Active device array mother substrate |
CN102837158A (en) * | 2011-06-21 | 2012-12-26 | 祁成 | Manufacturing technique of front fork steel tube of electrombile |
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US3858428A (en) * | 1972-08-21 | 1975-01-07 | Osborn Steels Limited | Rolling of metal |
US4132342A (en) * | 1976-09-18 | 1979-01-02 | Nippon Steel Corporation | Method for producing a steel strip by hot rolling |
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US2318320A (en) * | 1939-07-08 | 1943-05-04 | Aluminum Co Of America | Method of treating strip material |
US2434558A (en) * | 1943-05-20 | 1948-01-13 | American Rolling Mill Co | Rolling of thin gauged material |
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US3119289A (en) * | 1960-07-01 | 1964-01-28 | Nat Electric Welding Machines | Method for planishing a pair of seam-joined metal sheets |
US3284873A (en) * | 1964-02-24 | 1966-11-15 | Pennsalt Chemicals Corp | Web joiner |
US3279050A (en) * | 1964-09-23 | 1966-10-18 | Interlake Iron Corp | Mash seam weld method |
US3641960A (en) * | 1968-12-30 | 1972-02-15 | Secor Ab | Apparatus for joining sheet metal bands |
US3794805A (en) * | 1971-07-02 | 1974-02-26 | W Rudd | Magnetic pulse welding using spaced proximity conductor |
US3754976A (en) * | 1971-12-06 | 1973-08-28 | Nasa | Peen plating |
US3858428A (en) * | 1972-08-21 | 1975-01-07 | Osborn Steels Limited | Rolling of metal |
US3837559A (en) * | 1973-03-22 | 1974-09-24 | Wean United Inc | Strip joining apparatus for rolling mills and the like |
US3852988A (en) * | 1973-06-05 | 1974-12-10 | D Singhal | Machine for marking identification marks on billets, blooms and slags |
US4132342A (en) * | 1976-09-18 | 1979-01-02 | Nippon Steel Corporation | Method for producing a steel strip by hot rolling |
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Publication number | Priority date | Publication date | Assignee | Title |
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US20090225269A1 (en) * | 2008-03-07 | 2009-09-10 | Chunghwa Picture Tubes, Ltd. | Active device array mother substrate |
US7872726B2 (en) * | 2008-03-07 | 2011-01-18 | Chunghwa Picture Tubes, Ltd. | Active device array mother substrate |
CN102837158A (en) * | 2011-06-21 | 2012-12-26 | 祁成 | Manufacturing technique of front fork steel tube of electrombile |
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