CN113829010A - Cold rolling production process of high-silicon steel - Google Patents
Cold rolling production process of high-silicon steel Download PDFInfo
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- CN113829010A CN113829010A CN202111131965.0A CN202111131965A CN113829010A CN 113829010 A CN113829010 A CN 113829010A CN 202111131965 A CN202111131965 A CN 202111131965A CN 113829010 A CN113829010 A CN 113829010A
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- 238000005097 cold rolling Methods 0.000 title claims abstract description 59
- 229910000976 Electrical steel Inorganic materials 0.000 title claims abstract description 47
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 40
- 238000000034 method Methods 0.000 claims abstract description 161
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 120
- 239000010959 steel Substances 0.000 claims abstract description 120
- 238000010438 heat treatment Methods 0.000 claims abstract description 44
- 230000005674 electromagnetic induction Effects 0.000 claims abstract description 9
- 230000008569 process Effects 0.000 claims description 114
- 238000003466 welding Methods 0.000 claims description 62
- 239000002994 raw material Substances 0.000 claims description 20
- 238000005520 cutting process Methods 0.000 claims description 13
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 8
- 238000002360 preparation method Methods 0.000 claims description 8
- 229910052710 silicon Inorganic materials 0.000 claims description 8
- 239000010703 silicon Substances 0.000 claims description 8
- 229910000975 Carbon steel Inorganic materials 0.000 claims description 4
- 239000010962 carbon steel Substances 0.000 claims description 4
- 230000006698 induction Effects 0.000 claims description 4
- 238000009966 trimming Methods 0.000 claims description 3
- 238000005098 hot rolling Methods 0.000 claims description 2
- 230000001965 increasing effect Effects 0.000 abstract description 9
- 239000000463 material Substances 0.000 description 4
- 238000004321 preservation Methods 0.000 description 4
- 239000002699 waste material Substances 0.000 description 4
- 230000007704 transition Effects 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000003912 environmental pollution Methods 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000010330 laser marking Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012858 packaging process Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000005493 welding type Methods 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
Abstract
The invention discloses a cold rolling production process of high-silicon steel. The production process belongs to the technical field of machine manufacturing, wherein the heating procedure of the treatment procedure is heated by an electromagnetic induction heating device, the speed of the steel to be treated passing through the heating procedure is 30-200mpm, and the heating temperature of the heating procedure is 70-120 ℃. The invention has the characteristics of high production efficiency and high production quality, and particularly, the steel to be treated is heated by adopting the electromagnetic induction heating device in the heating process, so that the temperature can be quickly and effectively increased, the requirements of the cold rolling production process of high-silicon steel are met, the belt breakage accident is reduced, and the invention has good practicability and innovation.
Description
Technical Field
The invention belongs to the technical field of machine manufacturing, and particularly relates to a cold rolling production process of high-silicon steel.
Background
The magnetic induction intensity of the high silicon steel can be effectively improved and the iron loss can be reduced by improving the silicon content of the high silicon steel, but along with the improvement of the silicon content of the high silicon steel, the deformation resistance of the high silicon steel is increased, the brittle transition temperature of the high silicon steel is obviously improved and can reach 40-50 ℃, when the high silicon steel is subjected to cold rolling at room temperature, the high silicon steel can not be rolled to the required thickness during the cold rolling, in addition, the high silicon steel is easy to have belt breakage accidents such as brittle fracture, edge fracture and tearing during coiling, the production efficiency and the yield are reduced, and the problem is particularly prominent in winter. At present, although various measures are taken in the aspect of increasing the temperature of a steel strip before rolling, such as heat preservation by wrapping, heat preservation pit radiation heating, water bath heating and the like, the temperature increasing effect is not ideal, the water bath heating can increase the temperature of high-silicon steel, the heat preservation time is long, the efficiency is low, and steam generated in the cold rolling process interferes with signals of production equipment, so that the problems of irregular coiling, uncontrolled plate shape and the like are caused.
Disclosure of Invention
The invention aims to solve the technical problem that the production quality and efficiency are influenced because the temperature of the silicon steel cannot be quickly and effectively increased in the existing cold rolling production process of the high-silicon steel at least to a certain extent. Therefore, the invention provides a cold rolling production process of high-silicon steel.
The technical scheme of the invention is as follows:
the invention provides a cold rolling production process of high-silicon steel, which comprises the following steps:
processing a leading strip steel coil to form a first leading strip, and controlling the rear end of the first leading strip to stay in a welding machine, wherein the width of the leading strip steel coil is 900-1180 mm;
processing a raw material steel coil to form a steel band, and controlling the rear end of the steel band to stay in a welding machine after a first welding procedure is carried out on the front end of the steel band and the rear end of the first leading band in the welding machine, wherein the width of the raw material steel coil is 980 and 1260mm, the welding power in the first welding procedure is 4kW, the welding line angle is 3 degrees, and the width of the raw material steel coil-the width of the leading band steel coil is more than or equal to 80 mm;
the leading steel coil is processed again to form a second leading belt, and after a second welding procedure is carried out on the front end of the second leading belt and the rear end of the steel belt in the welding machine, the steel to be treated is formed, wherein the width of the leading steel coil is 900-1180mm, the welding power in the second welding procedure is 4kW, the welding line angle is 3 degrees, and the width of the raw material steel coil is larger than or equal to 80 mm;
the steel to be treated forms finished steel after being subjected to a treatment process, the treatment process comprises a heating process, the heating process is carried out by an electromagnetic induction heater, the speed of the steel to be treated after being subjected to the heating process is 30-200mpm, and the heating temperature of the heating process is 70-120 ℃.
Further, processing the steel coil of the lead strip to form a first lead strip, and controlling the rear end of the first lead strip to stay in a welding machine (14), the method specifically comprises the following steps: the method comprises the following steps of uncoiling, primary guiding, primary centering and deviation rectifying, primary correcting, guiding, cutting, secondary guiding, secondary centering and deviation rectifying, secondary correcting and clamping.
Further, processing raw material coil of strip forms the steel band, the front end of steel band with the rear end of first leading the area is in welding machine internal welding back, control the rear end of steel band stops at the welding machine, specifically includes: the welding device comprises an uncoiling process, a guiding process, a centering and deviation correcting process, a clamping and conveying process and a cutting process, wherein the first welding process is arranged after the cutting process.
Further, reprocess the lead belted steel coil forms the second and leads the area, the front end that the second led the area with the rear end of steel band forms pending steel after the welding in the welding machine, specifically includes: the welding device comprises an uncoiling process, a primary guiding process, a primary centering and deviation rectifying process, a primary correcting process, a guiding process, a cutting process, a secondary guiding process, a secondary centering and deviation rectifying process, a secondary correcting process and a clamping and conveying process, wherein the second welding process is arranged after the clamping and conveying process.
Further, the treatment process further includes: the hot rolling device comprises a trimming process, a primary tensioning process, a secondary tensioning process, a clamping and conveying process, a cutting process, a centering and deviation rectifying process, a guiding process, a coiling process, an uncoiling process and a cold rolling process, wherein the heating process is positioned between the primary tensioning process and the secondary tensioning process.
Further, the raw material steel coil is high-magnetic induction oriented silicon steel with 3.12% of silicon content, the heating temperature is 70-120 ℃, the time interval between the coiling procedure and the uncoiling procedure is 2-30min, and the time of the preparation procedure before cold rolling in the cold rolling procedure is 5-60 min.
Further, the raw material steel coil is high-grade non-oriented silicon steel with 3.12% of silicon content, the heating temperature is 70-120 ℃, the time interval between the coiling process and the uncoiling process is 2-30min, and the time of the preparation process before cold rolling in the cold rolling process is 5-30 min.
Further, the steel coil of the leading strip is carbon steel.
The embodiment of the invention at least has the following beneficial effects:
according to the cold rolling production process of the high-silicon steel, the steel to be treated is heated by the electromagnetic induction heater in the production process, so that the temperature can be quickly and effectively increased, the requirements of the cold rolling production process of the high-silicon steel are met, the belt breakage accident is reduced, the production quality and efficiency are improved, and the cold rolling production process has good practicability.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a partial structural schematic view of a cold rolling production process of high silicon steel according to an embodiment of the present invention.
Reference numerals:
1-a first unwinder; 2-a first turning roll; 3-a first centering correction device; 4-a first straight-head machine; 5, mechanical side guiding; 6-first entry shears; 7-a second unwinder; 8-a second turning roll; 9-a second centering correction device; 10-a second straight-head machine; 11-a first pinch roll; 12-second entry shears; 13-a waste plate hopper; 14-a welding machine; 15-crescent scissors; 16-a first tension roll; 17-an electromagnetic induction heating device; 18-a second tension roller; 19-a second pinch roll; 20-export scissors; 21-a third centering correction device; 22-a third turning roll; 23-first coiler.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Furthermore, the present invention may repeat reference numerals and/or letters in the various examples, such repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed. In addition, the present invention provides examples of various specific processes and materials, but one of ordinary skill in the art may recognize applications of other processes and/or uses of other materials.
The invention is described below with reference to specific embodiments in conjunction with the following drawings:
fig. 1 is a partial structure of a cold rolling process for high silicon steel according to an embodiment of the present invention, and referring to fig. 1, the process includes the following steps:
s1: a first processing procedure of the steel guiding strip coil, namely, arranging the steel guiding strip coil on a first uncoiler 1, performing an uncoiling procedure on the steel guiding strip coil by the first uncoiler 1, leading the front end of the steel guiding strip coil to sequentially pass through a primary guiding procedure of a first steering roller 2, a primary centering and deviation rectifying procedure of a first centering and deviation rectifying device 3, a primary correcting procedure of a first straight-end machine 4 and a primary guiding procedure of a mechanical side guide 5 by the first uncoiler 1, stopping after passing through a first inlet shear 6, performing a cutting procedure on the part of the steel guiding strip coil passing through the first inlet shear 6 to form a first guiding strip, sequentially passing through a secondary guiding procedure of a second steering roller 8, a secondary centering and deviation rectifying procedure of a second centering and deviation rectifying device 9, a secondary correcting procedure of a second straight-end machine 10 and a clamping and conveying procedure of a first clamping and conveying roller 11, and then sequentially passing through a second inlet shear 12 and a welding machine 14 to stop moving, the rear end of the first lead remains in the welder 14;
s2: a raw steel coil processing procedure, namely, the raw steel coil is arranged on a second uncoiler 7, the second uncoiler 7 uncoils the raw steel coil, so that the strip head of the raw steel coil sequentially passes through a guide procedure of a second steering roller 8, a centering and deviation-correcting procedure of a second centering and deviation-correcting device 9, a correcting procedure of a second straight-head machine 10 and a clamping and conveying procedure of a first clamping and conveying roller 11 by the second uncoiler 7, and stops after passing through a second inlet shear 12, and the second inlet shear 12 cuts the part of the raw steel coil passing through the second inlet shear to form a steel strip;
s3: in the first welding procedure, the steel strip continues to move towards the welding machine 14, the front end of the steel strip stays in the welding machine 14, the front end of the steel strip and the rear end of the first leading belt are welded together through the welding machine 14, the steel strip welded with the first leading belt continues to move along the running direction of the production process and stops after passing through the welding machine 14, and the rear end of the steel strip stays in the welding machine 14;
s4: a second processing procedure of the steel guiding strip coil, wherein the first uncoiler 1 uncoils the steel guiding strip coil again, so that the front end of the steel guiding strip coil sequentially passes through a primary guiding procedure of the first steering roller 2, a primary centering and deviation rectifying procedure of the first centering and deviation rectifying device 3, a primary correcting procedure of the first straight head machine 4 and a primary guiding procedure of the mechanical side guide 5 by the first uncoiler 1, the first leading strip passes through the first inlet shears 6 and then stops moving, the first inlet shears 6 perform a cutting process on the part of the leading strip steel coil passing through the first inlet shears to form a second leading strip, the second leading strip sequentially passes through a secondary guiding process of a second steering roller 8, a secondary centering and deviation correcting process of a second centering and deviation correcting device 9, a secondary correcting process of a second straight-head machine 10 and a pinching process of a first pinch roller 11, then sequentially passes through a second inlet shears 12 and a welding machine 14 and then stops moving, and the front end of the second leading strip stays in the welding machine 14;
s5: a second welding procedure, wherein the front end of the second leading belt and the rear end of the steel belt are welded together through a welding machine 14 to form steel to be treated;
s6: the steel to be processed continuously moves along the running direction of the production process, and sequentially passes through a trimming process of a crescent shear 15, a primary tensioning process of a first tension roller 16, a heating process of an electromagnetic induction heating device 17, a secondary tensioning process of a second tension roller 18, a clamping and conveying process of a second clamping and conveying roller 19, an outlet shear 20 for cutting a first leading strip and a second leading strip, a centering and deviation correcting process of a third centering and deviation correcting device 21 and a guiding process of a third steering roller 22, wherein the front end of the first leading strip and the rear end of the second leading strip are respectively connected with a first coiling machine 23 and are coiled by the first coiling machine 23, the steel to be processed after coiling is arranged on a second coiling machine, so that the front end of the first leading strip and the rear end of the second leading strip are respectively connected with the second coiling machine, then an uncoiling process is carried out, and the steel strip enters a rolling mill from the second coiling machine for carrying out a cold rolling process, forming finished steel, thereby completing a process cycle.
In the embodiment of the invention, the strip guiding steel coil is made of carbon steel so as to improve the cold rolling quality of the high-silicon steel and ensure the yield of the high-silicon steel.
In the embodiment of the invention, an uncoiling process, a laser marking process, a packaging process and a transferring process are further included between the coiling process and the uncoiling process, the preparation process before cold rolling in the cold rolling process comprises an coiling process, a centering and correcting process, an uncoiling process and a strip threading process, and the interval time between the coiling process and the uncoiling process in the treatment process and the time of the preparation process before cold rolling in the cold rolling process need to ensure that the temperature of the steel to be treated can meet the processing requirement of the cold rolling process.
In the step S6 of the embodiment of the present invention, the electromagnetic induction heating device 17 is used to heat the steel to be processed in the heating step, the speed of the steel to be processed in the heating step is 30-200mpm, and the heating temperature in the heating step is 70-120 ℃, so that the temperature can be rapidly and effectively raised to meet the requirements of the cold rolling production process of high silicon steel.
In the embodiment of the invention, the heating temperature in the heating process is 70-120 ℃, the brittle transition temperature interval of the high-silicon steel is 40-50 ℃, if the temperature of the steel to be treated is lower than the brittle transition temperature interval, brittle fracture is easy to occur during cold rolling, production accidents are caused, and the production efficiency is reduced, so the temperature of the steel to be treated is required to be increased to more than 40-50 ℃, the temperature of the steel to be treated is reduced due to the fact that the heated steel to be treated can radiate heat to the air in the transportation and waiting processing processes, therefore, the minimum heating temperature of the steel to be treated is controlled to be more than 70 ℃, a redundancy range for reducing the temperature is reserved, the temperature of the steel to be treated is ensured to be more than 40-50 ℃ during cold rolling, but the higher the temperature of the steel to be treated is better, and the higher the temperature is, the elongation rate, the lower the elongation rate and the like of the steel to be treated, The larger the fluctuation of mechanical properties such as deformation resistance and the like, the more unstable the cold rolling process can be caused, and production accidents such as strip breakage can also occur, and the higher the heating temperature is, the larger the energy consumption is, and further, the production cost is increased.
In the embodiment of the present application, the welding machine 14 is a laser welding machine, and of course, the welding machine 14 may also be other types of welding machines, which is not limited in the embodiment of the present application.
In the embodiment of the invention, the width of the leading steel coil is 900-1180mm, the width of the raw steel coil is 980-1260mm, and the procedures S3 and S5 can set the welding power of the first welding procedure and the second welding procedure to be 4kW, the welding line angle to be 3 degrees and the width of the raw steel coil-the width of the leading steel coil to be more than or equal to 80mm in order to ensure the welding effect, so as to ensure the smoothness of the threading procedure of the steel to be processed in the cold rolling procedure, and avoid the steel strip clamping accident caused by the fact that the leading width exceeds the tolerance range or the steel strip width.
In the embodiment of the invention, the width of the raw material steel coil and the width of the guiding strip steel coil are more than or equal to 80mm, that is, the width of the raw material steel coil is more than the width of the guiding strip steel coil, and the difference between the width of the raw material steel coil and the width of the guiding strip steel coil is at least more than 80mm, for example: when the width of setting up the raw materials coil of strip is 1000mm, then can set up the width of drawing the belted steel coil and be 900mm, the two difference is 100mm, satisfies the requirement that the width difference is greater than 80mm at least.
In the embodiment of the present invention, the steps S1, S2, and S4 may start sequentially or simultaneously, and only the sequence of the first welding step and the second welding step needs to be satisfied, which is not limited in this embodiment of the present invention.
In step S6 of the embodiment of the present invention, the first lead strip cut by the exit shears 20 includes a first strip body and a second strip body, the first strip body is a front end of the first lead strip, the second strip body is a rear end of the first lead strip, the front end of the first strip body is welded to a rear end of the steel strip of the previous process cycle, the rear end of the first strip body is connected to the first coiler 23 of the previous process cycle, the front end of the second strip body is connected to the first coiler 23, the rear end of the second strip body is welded to a front end of the steel strip, the second lead strip cut by the exit shears 20 includes a third strip body and a fourth strip body, the third strip body is a front end of the second lead strip, the second strip body is a rear end of the second lead strip, the front end of the third strip body is welded to a rear end of the steel strip, the rear end of the third strip body is connected to the first coiler 23, the front end of the fourth strip body is welded to a front end of the steel strip of the previous process cycle, the rear end of the fourth strip body is connected to the first coiler 23 of the previous process cycle, so as to realize the continuous operation of the production process and improve the production efficiency.
In the step S6 of the embodiment of the present invention, the crescent shears 15 trim the edge cracks at the two ends of the weld of the steel to be processed, so as to ensure that the steel to be processed is not torn due to the edge cracks at the two ends of the weld when being cold rolled, which results in a tape breakage accident.
Referring to fig. 1, the production process further includes a scrap hopper 13 disposed between the second entry shears 12 and the welding machine 14 to collect scrap generated when the second entry shears 12 cut the steel strip, so as to prevent the scrap from scattering in the factory and causing environmental pollution and safety risk.
Further, a waste board hopper 13 can be arranged between the first inlet shears 6 and the second steering roller 8 and between the outlet shears 20 and the third centering deviation-correcting device 21 so as to collect waste boards generated when the first inlet shears 6 and the outlet shears 20 perform shearing, and avoid the waste boards from scattering in a factory to cause environmental pollution and safety risks.
In the embodiment of the present invention, the loading and unloading of the leading steel coil on the first uncoiler 1, the loading and unloading of the raw steel coil on the second uncoiler 7, and the loading and unloading of the steel to be processed on the first coiler 23 and the second coiler can be achieved by using the cross-over trolley, and of course, the loading and unloading can be performed by other manners, which is not limited in this embodiment of the present invention.
Further, a transport vehicle with a heat preservation function can be adopted between the coiling process and the uncoiling process to preserve heat and transport the steel to be treated, so that the steel to be treated is transported to the second coiling machine from the first coiling machine 23, and the cold rolling temperature of the steel to be treated is ensured.
Example 1:
in the cold rolling process for high silicon steel described in example 1, the raw material coil may be high magnetic induction grain-oriented silicon steel having a silicon content of 3.12%, the heating temperature in the heating step in the treatment step is 70 to 120 ℃, the time interval between the winding step and the unwinding step in the treatment step is 2 to 30min, and the time of the preparation step before the cold rolling in the cold rolling step is 5 to 60 min.
Example 2:
in the cold rolling process for high-silicon steel described in example 2, the raw material coil may be high-grade non-oriented silicon steel with a silicon content of 3.12%, the heating temperature in the heating step of the treatment step may be 70 to 120 ℃, the time interval between the winding step and the unwinding step in the treatment step is 2 to 30min, and the time of the preparation step before the cold rolling in the cold rolling step is 5 to 30 min.
In summary, the cold rolling production process of high silicon steel disclosed by the invention has the characteristics of high production efficiency and high production quality, particularly, the cold rolling yield of the high silicon steel is effectively improved by adopting the carbon steel leading belt, and the steel to be treated is heated by adopting the electromagnetic induction heating device in the heating process of the treatment process, so that the temperature can be quickly and effectively increased, the requirements of the cold rolling production process of the high silicon steel are met, the belt breakage accident is reduced, and the cold rolling production process has good practicability and innovation.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be considered as limiting the present invention.
It should be noted that all the directional indications in the embodiments of the present invention are only used to explain the relative position relationship, the motion situation, and the like between the components in a certain posture, and if the certain posture is changed, the directional indication is changed accordingly.
In the present invention, unless otherwise expressly stated or limited, the terms "connected," "secured," and the like are to be construed broadly, and for example, "secured" may be a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In addition, the descriptions related to "first", "second", etc. in the present invention are only for descriptive purposes and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples described in this specification can be combined and combined by those skilled in the art.
In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (10)
1. A cold rolling production process of high silicon steel is characterized by comprising the following steps:
processing a lead strip steel coil to form a first lead strip, and controlling the rear end of the first lead strip to stay in a welding machine (14), wherein the width of the lead strip steel coil is 900-1180 mm;
processing a raw material steel coil to form a steel strip, and controlling the rear end of the steel strip to stay in a welding machine (14) after a first welding procedure is carried out on the front end of the steel strip and the rear end of a first leading belt in the welding machine (14), wherein the width of the raw material steel coil is 980 and 1260mm, the welding power in the first welding procedure is 4kW, the welding line angle is 3 degrees, and the width of the raw material steel coil-the width of the leading belt steel coil is more than or equal to 80 mm;
the leading steel coil is processed again to form a second leading belt, and after a second welding procedure is carried out on the front end of the second leading belt and the rear end of the steel belt in the welding machine (14), steel to be treated is formed, wherein the width of the leading steel coil is 900 and 1180mm, the welding power in the second welding procedure is 4kW, the welding line angle is 3 degrees, and the width of the raw material steel coil-the width of the leading steel coil is more than or equal to 80 mm;
the steel to be treated forms finished steel after being subjected to a treatment process, the treatment process comprises a heating process, the heating process is carried out by an electromagnetic induction heater (17), the speed of the steel to be treated after being subjected to the heating process is 30-200mpm, and the heating temperature of the heating process is 70-120 ℃.
2. The cold rolling production process of high silicon steel as set forth in claim 1, wherein the processing of the coil of leader strip to form the first leader strip and the controlling of the rear end of the first leader strip to stay in the welder (14) specifically include: the method comprises the following steps of uncoiling, primary guiding, primary centering and deviation rectifying, primary correcting, guiding, cutting, secondary guiding, secondary centering and deviation rectifying, secondary correcting and clamping.
3. The cold rolling production process of high silicon steel, as set forth in claim 1, wherein the processing of the raw material coil to form the steel strip, the controlling of the rear end of the steel strip to stay in the welder (14) after the front end of the steel strip and the rear end of the first lead strip are welded in the welder (14), specifically comprises: the welding device comprises an uncoiling process, a guiding process, a centering and deviation correcting process, a clamping and conveying process and a cutting process, wherein the first welding process is arranged after the cutting process.
4. The cold rolling process for high silicon steel as set forth in claim 1, wherein the re-processing of the coil of leader strip to form a second leader strip, the welding of the front end of the second leader strip and the rear end of the strip in the welder (14) to form the steel to be treated, comprises: the welding device comprises an uncoiling process, a primary guiding process, a primary centering and deviation rectifying process, a primary correcting process, a guiding process, a cutting process, a secondary guiding process, a secondary centering and deviation rectifying process, a secondary correcting process and a clamping and conveying process, wherein the second welding process is arranged after the clamping and conveying process.
5. The cold rolling process for high silicon steel as set forth in claim 1, wherein the treatment process further comprises: the hot rolling device comprises a trimming process, a primary tensioning process, a secondary tensioning process, a clamping and conveying process, a cutting process, a centering and deviation rectifying process, a guiding process, a coiling process, an uncoiling process and a cold rolling process, wherein the heating process is positioned between the primary tensioning process and the secondary tensioning process.
6. The cold rolling process of high silicon steel as claimed in claim 5, wherein the raw material coil is high magnetic induction grain-oriented silicon steel with 3.12% silicon content, and the heating temperature is 70-120 ℃.
7. The cold rolling process for high silicon steel as claimed in claim 6, wherein the time interval between the coiling step and the uncoiling step is 2-30min, and the time of the preparation step before the cold rolling in the cold rolling step is 5-60 min.
8. The cold rolling process of high silicon steel as claimed in claim 5, wherein the raw material coil is high grade non-oriented silicon steel with 3.12% silicon content, and the heating temperature is 70-120 ℃.
9. The cold rolling process for high silicon steel as claimed in claim 8, wherein the time interval between the coiling step and the uncoiling step is 2-30min, and the time of the preparation step before the cold rolling in the cold rolling step is 5-30 min.
10. The cold rolling process for high silicon steel as claimed in any one of claims 1 to 9, wherein the coil of leader steel is carbon steel.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115555401A (en) * | 2022-11-01 | 2023-01-03 | 海安华诚新材料有限公司 | One-step cold rolling equipment for oriented silicon steel with high cold rolling efficiency |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06299243A (en) * | 1993-04-15 | 1994-10-25 | Nippon Steel Corp | Manufacture of strip state extra high silicon steel sheet |
| JPH0810805A (en) * | 1994-06-22 | 1996-01-16 | Nippon Steel Corp | Method for rolling high silicon steel sheet |
| CN102632388A (en) * | 2012-04-28 | 2012-08-15 | 宝山钢铁股份有限公司 | Leading tape welding production line applicable to single rack rolling mill and method |
| CN102806423A (en) * | 2011-05-30 | 2012-12-05 | 宝山钢铁股份有限公司 | Welding wire filling laser welding method utilizing non-oriented silicon steel |
| CN105710128A (en) * | 2016-04-01 | 2016-06-29 | 唐山钢铁集团有限责任公司 | Method for improving yield of reciprocating rolled plate |
| CN208744155U (en) * | 2018-07-16 | 2019-04-16 | 中冶南方工程技术有限公司 | A kind of cold rolled silicon steel weldering leader tape heating welding procedure unit |
-
2021
- 2021-09-26 CN CN202111131965.0A patent/CN113829010A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06299243A (en) * | 1993-04-15 | 1994-10-25 | Nippon Steel Corp | Manufacture of strip state extra high silicon steel sheet |
| JPH0810805A (en) * | 1994-06-22 | 1996-01-16 | Nippon Steel Corp | Method for rolling high silicon steel sheet |
| CN102806423A (en) * | 2011-05-30 | 2012-12-05 | 宝山钢铁股份有限公司 | Welding wire filling laser welding method utilizing non-oriented silicon steel |
| CN102632388A (en) * | 2012-04-28 | 2012-08-15 | 宝山钢铁股份有限公司 | Leading tape welding production line applicable to single rack rolling mill and method |
| CN105710128A (en) * | 2016-04-01 | 2016-06-29 | 唐山钢铁集团有限责任公司 | Method for improving yield of reciprocating rolled plate |
| CN208744155U (en) * | 2018-07-16 | 2019-04-16 | 中冶南方工程技术有限公司 | A kind of cold rolled silicon steel weldering leader tape heating welding procedure unit |
Non-Patent Citations (1)
| Title |
|---|
| 夏翠丽等: "《冷轧带钢生产》", pages: 58 - 59 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115555401A (en) * | 2022-11-01 | 2023-01-03 | 海安华诚新材料有限公司 | One-step cold rolling equipment for oriented silicon steel with high cold rolling efficiency |
| CN115555401B (en) * | 2022-11-01 | 2023-10-13 | 海安华诚新材料有限公司 | Oriented silicon steel primary cold rolling equipment with high cold rolling efficiency |
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