CN116460135A - Steel rolling production system - Google Patents
Steel rolling production system Download PDFInfo
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- CN116460135A CN116460135A CN202310505822.4A CN202310505822A CN116460135A CN 116460135 A CN116460135 A CN 116460135A CN 202310505822 A CN202310505822 A CN 202310505822A CN 116460135 A CN116460135 A CN 116460135A
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 124
- 238000005096 rolling process Methods 0.000 title claims abstract description 109
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 80
- 239000010959 steel Substances 0.000 title claims abstract description 80
- 230000007704 transition Effects 0.000 claims description 70
- 238000004891 communication Methods 0.000 claims description 20
- 230000009977 dual effect Effects 0.000 claims description 17
- 230000000712 assembly Effects 0.000 claims description 8
- 238000000429 assembly Methods 0.000 claims description 8
- 238000010276 construction Methods 0.000 abstract description 6
- 239000000047 product Substances 0.000 description 46
- 238000000034 method Methods 0.000 description 7
- 238000001816 cooling Methods 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 230000004075 alteration Effects 0.000 description 2
- 230000011218 segmentation Effects 0.000 description 2
- 101100366060 Caenorhabditis elegans snap-29 gene Proteins 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 206010000496 acne Diseases 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 238000009440 infrastructure construction Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
- B21B1/16—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling wire rods, bars, merchant bars, rounds wire or material of like small cross-section
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B39/00—Arrangements for moving, supporting, or positioning work, or controlling its movement, combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
- B21B39/02—Feeding or supporting work; Braking or tensioning arrangements, e.g. threading arrangements
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Metal Rolling (AREA)
Abstract
The invention relates to the technical field of metallurgical steel rolling, in particular to a steel rolling production system. The system comprises the following components in sequence: rough intermediate rolling and pre-finish rolling sections; the finish rolling section comprises a finish rolling part, the finish rolling part comprises a double high rod production line and a common rod production line, and rolled pieces after being cut can enter the double high rod production line or the common rod production line selectively; the steel feeding section is used for feeding steel to the rolled piece after finish rolling and comprises a steel feeding device, the steel feeding device comprises a main body and a rotating hub rotatably arranged on the main body, a first feeding groove and a second feeding groove are arranged on the rotating hub at intervals, and when a double high rod product is produced, the rotating hub rotates to enable the rolled piece to pass through the first feeding groove for feeding steel; when producing a bar product, the hub rotates to pass the product through the second feed channel. Therefore, the steel rolling production system can simultaneously meet the steel feeding requirements of double high rod products and common rod products, and when products with the diameter of more than 25 are required to be produced, a new common rod production line is not required, so that the construction investment is greatly reduced.
Description
Technical Field
The invention relates to the technical field of metallurgical steel rolling, in particular to a steel rolling production system.
Background
The apparent consumption of coarse steel in 2019 is close to 10 hundred million tons in China, the steel bar consumption for construction is huge due to the rapid promotion of domestic infrastructure construction, the hour yield is improved mainly by adopting a splitting process for domestic bar production meeting market demands, the precision control of rolled pieces after splitting by the traditional multi-line splitting process is unstable, production faults are multiple, operation and maintenance are difficult, and in addition, the method for improving the product strength by strong water penetration after rolling after implementing a new national standard is not feasible.
In recent years, the double high rod production process is developed rapidly, a plurality of double high rod production lines are on line at present in China, the defect of unstable precision control after the common rod is subjected to multi-line cutting is overcome, the components can be reduced and the product performance can be ensured by combining a hot engine rolling technology after medium rolling, meanwhile, the steel feeding speed of part of specifications can reach 45m/s, and the higher hour yield is ensured. However, the product specification of the dual high bar process isInability to produce->The bar with larger specification has narrow coverage range, and when the bar is required to be produced +.>When the product is used, a new common bar production line is needed, so that the construction investment is increased.
Disclosure of Invention
The application provides a steel rolling production system, which solves the technical problem that in the related art, when products with the diameter of more than 25 are required to be produced, a new common rod production line is required to be built, so that the construction investment is increased.
The application provides a steel rolling production system, including setting gradually:
the rough rolling, middle rolling and pre-finish rolling section is used for performing rough rolling, middle rolling and pre-finish rolling on the rolled piece;
the finish rolling section is used for finish rolling the rolled piece after finish rolling in advance, and comprises a finish rolling part, wherein the finish rolling part comprises a double high rod production line and a common rod production line, and the rolled piece after finish rolling in advance can optionally enter the double high rod production line or the common rod production line;
the steel feeding section is used for feeding steel to the rolled piece after finish rolling and comprises a steel feeding device, the steel feeding device comprises a main body and a rotating hub rotatably arranged on the main body, a first feeding groove and a second feeding groove are arranged on the rotating hub at intervals, and when a double high rod product is produced, the rotating hub rotates to enable the rolled piece to pass through the first feeding groove for feeding steel; when producing a bar product, the hub rotates to pass the product through the second feed channel.
In some embodiments, the hub is provided with more than one first feed chute and one second feed chute, and the first feed chute and the second feed chute are staggered and arranged at intervals.
In some embodiments, the hub is provided with more than one group of first feeding groups and second feeding groups, the first feeding groups comprise two first feeding grooves which are oppositely arranged along the radial direction of the hub, and the second feeding groups comprise two second feeding grooves which are oppositely arranged along the radial direction of the hub.
In some embodiments, the dual high bar production line comprises a first production line and a second production line, the first production line, the second production line, and the common bar production line being disposed side-by-side;
the steel feeding section comprises a transition part arranged between the finish rolling section and the steel feeding device, the transition part comprises a first transition section and a second transition section which are arranged in parallel, when a double high rod product is produced, the first production line is communicated with the first transition section, and the second production line is communicated with the second transition section; the common bar production line is selectively in communication with either the first transition section or the second transition section when producing a common bar product.
In some embodiments, the common bar production line is disposed between the first production line and the second production line.
In some embodiments, the steel feeding device comprises two sets of rotating hub assemblies arranged in parallel, each set of rotating hub assemblies comprises two rotating hubs, and the two sets of rotating hub assemblies correspond to the first transition section and the second transition section respectively.
In some embodiments, the finishing section includes a communication device movably disposed between the finishing section and the upper section, the communication device including a first passageway, a second passageway, and a third passageway disposed in series side-by-side relationship;
when the double high-rod product is produced, one end of the first passage is communicated with the first production line, the other end of the first passage is communicated with the first transition section, one end of the third passage is communicated with the second production line, and the other end of the third passage is communicated with the second transition section; when the common bar product is produced, one end of the second passage is communicated with the common bar production line, and the other end of the second passage is selectively communicated with the first transition section or the second transition section.
In some embodiments, the finish rolling section further includes a fifth pass and a sixth pass, one ends of the fifth pass and the sixth pass being connected to the bar production line, the other ends of the fifth pass and the sixth pass being provided separately, one end of the second pass being selectively communicated with the fifth pass or the sixth pass when producing a bar product.
In some embodiments, the finishing section further comprises a guiding device, the guiding device comprises two sliding rails and a plurality of pulleys, the two sliding rails are oppositely arranged, the sliding rails are arranged below the moving device, the pulleys corresponding to the two sliding rails are arranged on two sides of the first passage, the second passage and the third passage, and the pulleys are slidably arranged in the corresponding sliding rails.
In some embodiments, the finishing section further comprises a drive device, the drive end of which is connected to the first passageway or the third passageway to drive the movement arrangement.
The beneficial effects of the application are as follows:
according to the steel rolling production system, as the finish rolling section comprises the double high rod production line and the common rod production line, rolled pieces after being cut can enter the double high rod production line or the common rod production line selectively, and therefore the steel rolling production system can be used for producing double high rod products and common rod products; because the steel feeding device comprises a main body and a rotating hub which is rotatably arranged on the main body, a first feeding groove and a second feeding groove are arranged on the rotating hub at intervals, when the double high rod product is produced, the rotating hub can rotate to enable a rolled piece to be fed with steel through the first feeding groove; when the product with the diameter of 25 or more is required to be produced, a new production line for the common rod is not needed, and the construction investment is greatly reduced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the description below are only some embodiments of the present invention.
Fig. 1 is a process flow chart of a steel rolling production system provided in this embodiment;
fig. 2 is a schematic structural view of the steel rolling production system according to the present embodiment;
FIG. 3 is a schematic view of the steel feeding device of FIG. 2;
fig. 4 is a partial enlarged view at a in fig. 2.
Reference numerals illustrate:
100-rough middle rolling and pre-finish rolling sections, 110-rough rolling units, 120-middle rolling units, 130-pre-finish rolling units, 200-finish rolling sections, 210-finish rolling sections, 211-double high rod production lines, 2111-first production lines, 2112-second production lines, 2113-module finish rolling groups, 2114-module finish rolling groups, 2115-water cooling temperature control devices, 212-common rod production lines, 213-flying shears, 214-multiple shears, 215-short stress line finishing mills, 220-communication devices, 221-first passages, 222-second passages, 223-third passages, 224-fifth passages, 225-sixth passages, 230-guiding devices, 231-slide rails, 240-driving devices, 300-upper steel sections, 310-upper steel devices, 311-main bodies, 312-rotating hubs, 3121-first feed tanks, 3122-second feed tanks, 320-transition sections, 321-first transition sections, 322-second transition sections, 330-high speed tail clamping devices and 340-brake devices.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-3, a steel rolling production system is provided according to an embodiment of the present application, which includes a rough intermediate rolling and pre-finish rolling section 100, a finish rolling section 200, and a steel loading section 300, which are sequentially arranged. The rough, medium and pre-finish rolling section 100 is used for rough rolling, medium rolling and pre-finish rolling of rolled pieces, the finish rolling section 200 is used for finish rolling of the rolled pieces after the pre-finish rolling, the steel feeding section 300 is used for feeding steel to the rolled pieces after the finish rolling, and the production of the final product is completed.
The finish rolling section 200 includes a finish rolling section 210, the finish rolling section 210 includes a dual high rod production line 211 and a common rod production line 212, the dual high rod production line 211 is used for producing dual high rod products from phi 10 to phi 25, the common rod production line 212 is used for producing common rod products from phi 28 to phi 40, and rolled pieces after finish rolling optionally enter the dual high rod production line 211 or the common rod production line 212, it should be noted that when producing dual high rod products, the rolled pieces need to be cut in the rough intermediate rolling and finish rolling section 100. The steel feeding section 300 includes a steel feeding device 310, the steel feeding device 310 includes a main body 311 and a rotating hub 312 rotatably provided on the main body 311, the rotating hub 312 is rotatably driven by a motor, a first feeding groove 3121 and a second feeding groove 3122 are provided on the rotating hub 312 at intervals, and when a dual high rod product is produced, the rotating hub 312 is rotated to feed a rolled piece through the first feeding groove 3121; when producing a bar product, the hub 312 is rotated to pass the product through the second feed channel 3122 and steel, of course, the first feed channel 3121 is sized larger than the second feed channel 3122.
Specifically, when dual high bar products are produced, hub 312 is rotated to position first feed channel 3121 in a steel loading position such that dual high bar products are steel loaded through first feed channel 3121; when producing the stick product, the rotating hub 312 is rotated to place the second feed channel 3122 in the steel loading position so that the stick product is loaded through the second feed channel 3122.
According to the steel rolling production system, since the finish rolling section 200 comprises the double high rod production line 211 and the common rod production line 212, rolled pieces after finish rolling can optionally enter the double high rod production line 211 or the common rod production line 212, and therefore, the steel rolling production system can be used for producing double high rod products and common rod products; since the steel feeding apparatus 310 includes a main body 311 and a rotating hub 312 rotatably provided on the main body 311, a first feed channel 3121 and a second feed channel 3122 are provided on the rotating hub 312 at intervals, and when a dual high rod product is produced, the rotating hub 312 can be rotated to feed a rolled piece through the first feed channel 3121; when the product with phi 25 or more is required to be produced, the new common rod production line 212 is not needed, and the construction investment is greatly reduced.
Further, the rough and medium rolling and pre-finishing section 100 comprises a rough rolling unit 110, a medium rolling unit 120 and a pre-finishing unit 130 which are sequentially arranged, and after the rolled piece exits the pre-finishing unit 130, a corresponding channel is selected to enter the finishing section 200 according to the process requirement. The dual high rod line 211 includes a first line 2111 and a second line 2112, the first line 2111, the second line 2112, and the common rod line 212 are disposed side-by-side, and the common rod line 212 may be disposed between the first line 2111 and the second line 2112. When a dual high-rod product is produced, the rolled piece enters a first production line 2111 and a second production line 2112 after being cut; when a cane product is produced, the rolled stock enters the cane production line 212. The three-channel arrangement of the double high rod and common rod composite production line provided by the embodiment can be flexibly switched and arranged according to the product requirement. When the field space or plant length is limited, the process segment length can be increased by the form of the girth disk.
In particular, the rolled pieces can enter the corresponding production line through guide guards. In this embodiment, when the running direction of the rolled piece is "front", a dual-channel guide is set at the front end of the pre-finishing mill 130 during the production of the dual-high-rod product, so that the rolled piece after finishing the pre-finishing mill enters into two channels of the guide respectively, and enters into the first production line 2111 and the second production line 2112 respectively; when the common rod product is produced, a single-channel guide is arranged at the front end of the pre-finishing mill group 130, and rolled pieces after finish finishing can pass through the guide Wei Jinru common rod production line 212.
Further, the bar production line 212 includes a short stress line finishing mill, the first production line 2111 and the second production line 2112 include a group 2113 of finish rolling modules and a group 2114 of finish rolling modules which are sequentially arranged, the finishing mills of the two finishing mill groups are separately driven or driven, and the arrangement forms of the rolling mills are 4+2 or 2+4. The front and rear of the two groups 2114 of the module finish rolling are respectively provided with a water-cooling temperature control device 2115, and the temperature is controlled by the water-cooling temperature control devices 2115, so that a heat engine rolling process can be realized during the production of double high bars, and the aim of reducing alloy components and improving strength is fulfilled. Similarly, water cooling temperature control devices 2115 are respectively arranged at the front and the rear of the short stress line finishing mill, so that the hot engine rolling is realized during the production of the common rod.
Flying shears 213 are arranged at the rear sides of the first group 2113 of module finish rolling, the second group 2114 of module finish rolling and the short stress line finishing mill 215 to cut off black heads generated after passing water of rolled pieces and improve the service life of the finishing mill rolls, and double-length shears 214 are arranged at the front side of the short stress line finishing mill 215 to carry out double-length segmentation on common bar rolled pieces.
Further, the upper steel section 300 includes a transition portion 320 provided between the finish rolling section 200 and the upper steel device 310, the transition portion 320 includes a first transition portion 321 and a second transition portion 322 provided in parallel, when the dual high bar product is produced, the first production line 2111 is connected to the first transition portion 321, and the second production line 2112 is connected to the second transition portion 322, so that the rolled piece enters the first transition portion 321 and the second transition portion 322, and enters the upper steel device 310 to finish the upper steel; when producing a bar product, the bar line 212 is selectively connected to either the first transition section 321 or the second transition section 322 such that the product enters one of the first transition section 321 or the second transition section 322 and enters the steel loading apparatus 310 to complete the loading.
The initial ends of the first transition section 321 and the second transition section 322 are respectively provided with a high-speed double-length shear 330, when the double-high-rod product is produced, rolled pieces are subjected to double-length segmentation at the high-speed double-length shear 330, tail clamping braking devices 340 are arranged at the tail ends of the first transition section 321 and the second transition section 322, and the rolled pieces enter the steel feeding device 310 after being braked and decelerated by the tail clamping braking devices 340.
Further, the hub is provided with more than one first feeding groove 3121 and more than one second feeding groove 3122, the first feeding groove 3121 and the second feeding groove 3122 are staggered and arranged at intervals, and the rotating hub 312 can enable any one of the first feeding groove 3121 or the second feeding groove 3122 to be in a steel feeding position by rotating, so that the situation that one first feeding groove 3121 and one second feeding groove 3122 are repeatedly used for a plurality of times is avoided, and the abrasion is faster.
Specifically, the hub is provided with more than one group of first feeding groups and second feeding groups, the first feeding groups comprise two first feeding grooves 3121 which are oppositely arranged along the radial direction of the hub, and the second feeding groups comprise two second feeding grooves 3122 which are oppositely arranged along the radial direction of the hub, so that the specification of the hub is more standard, and the rotating hub 312 is convenient to rotate so that the first feeding grooves 3121 or the second feeding grooves 3122 are in the steel feeding position.
The steel feeding device 310 includes two sets of hub assemblies disposed on the main body 311 in parallel, and the two sets of hub assemblies correspond to the first transition section 321 and the second transition section 322, respectively, so as to finish steel feeding for rolled pieces on the first transition section 321 and the second transition section 322. Because of the relatively high speed of operation of the product, each hub assembly in this embodiment includes two hubs 312 to maintain the rolling cadence.
Referring to fig. 4, the finishing section 200 includes a communication device 220 movably disposed between the finishing section 210 and the upper section 300, the communication device 220 including a first passage 221, a second passage 222, and a third passage 223 disposed in parallel in this order, and the communication device 220 being movable to switch the communication between the twin high rod line and the common rod line with the transition section 320. When the dual high rod product is produced, one end of the first passage 221 is communicated with the first production line 2111, the other end is communicated with the first transition section 321, so that the first production line 2111 is communicated with the first transition section 321, a rolled piece on the first production line 2111 can enter the first transition section 321, one end of the third passage 223 is communicated with the second production line 2112, the other end is communicated with the second transition section 322, so that the second production line 2112 is communicated with the second transition section 322, and a rolled piece on the second production line 2112 can enter the second transition section 322. When producing a cane product, one end of the second passageway 222 is in communication with the cane production line 212 and the other end is selectively in communication with either the first transition 321 or the second transition 322, such that the cane production line 212 is in communication with either the first transition 321 or the second transition 322 and a product on the cane production line 212 may enter either the first transition 321 or the second transition 322.
Further, the finishing section 210 further includes a fifth passageway 224 and a sixth passageway 225, one ends of the fifth passageway 224 and the sixth passageway 225 are connected to the bar production line 212, and the other ends of the fifth passageway 224 and the sixth passageway 225 are separately provided, and when the bar product is produced, one end of the second passageway 222 is selectively communicated with the fifth passageway 224 or the sixth passageway 225, thereby selectively communicating the bar production line 212 with the first transition section 321 or the second transition section 322, so that the rolled product on the bar production line 212 enters the steel feeding device 310 to finish the steel feeding.
Specifically, when one end of the second passage 222 communicates with the fifth passage 224, the other end of the second passage 222 communicates with the first transition section 321, so that the common rod production line 212 communicates with the first transition section 321; when one end of the second passageway 222 communicates with the fifth passageway 224, the other end of the second passageway 222 communicates with the second transition section 322, such that the common rod production line 212 communicates with the second transition section 322.
Further, in order to make the communication device 220 move smoothly and accurately, the finishing section 200 in this embodiment further includes a guiding device 230, where the guiding device 230 includes two sliding rails 231 and a plurality of pulleys that are disposed oppositely, the sliding rails 231 are disposed below the moving device, two sides of the first passage 221, the second passage 222 and the third passage 223 are respectively provided with pulleys corresponding to the two sliding rails 231, and the pulleys are slidably disposed in the corresponding sliding rails 231. The pulleys slide in the corresponding sliding rails 231, so as to drive the communication device 220 to move, so that the communication device 220 switches the communication between the dual high rod production line and the common rod production line and the transition part 320 by moving.
The finishing section 200 further includes a driving device 240, where the driving device 240 is used to drive the communication device 220 to move. Specifically, the driving end of the driving device 240 is connected to the first passage 221 or the third passage 223 to drive the communication device 220 to move, and the driving device 240 may be a motor, a cylinder, or the like, which is not limited in this embodiment.
It should be noted that, the solution of this embodiment may be implemented by programming in a logic programming controller PLC, where the motor driving the hub 312 and the driving device 240 are connected to the controller, so as to implement automation.
While preferred embodiments of the present invention have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. It is therefore intended that the following claims be interpreted as including the preferred embodiments and all such alterations and modifications as fall within the scope of the invention.
It will be apparent to those skilled in the art that various modifications and variations can be made to the present invention without departing from the spirit or scope of the invention. Thus, it is intended that the present invention also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.
Claims (10)
1. A steel rolling production system, characterized by comprising the following components in turn:
the rough rolling, middle rolling and pre-finish rolling section is used for performing rough rolling, middle rolling and pre-finish rolling on the rolled piece;
the finish rolling section is used for finish rolling the rolled piece after the finish rolling section, and comprises a finish rolling part, wherein the finish rolling part comprises a double high rod production line and a common rod production line, and the rolled piece after being cut can optionally enter the double high rod production line or the common rod production line;
the steel feeding section is used for feeding steel to the rolled piece after finish rolling and comprises a steel feeding device, the steel feeding device comprises a main body and a rotating hub rotatably arranged on the main body, a first feeding groove and a second feeding groove are arranged on the rotating hub at intervals, and when a double high rod product is produced, the rotating hub rotates to enable the rolled piece to pass through the first feeding groove for feeding steel; when producing a bar product, the hub rotates to pass the product through the second feed channel.
2. The steel rolling production system of claim 1, wherein more than one of the first feed channel and the second feed channel are provided on the hub, and the first feed channel and the second feed channel are staggered and spaced apart.
3. The steel rolling production system according to claim 2, wherein more than one set of first feed groups and second feed groups are provided on the hub, the first feed groups comprising two of the first feed grooves disposed radially opposite to each other along the hub, and the second feed groups comprising two of the second feed grooves disposed radially opposite to each other along the hub.
4. The steel rolling production system of claim 1, wherein the dual high bar production line comprises a first line and a second line, the first line, the second line, and the common bar production line being disposed side-by-side;
the steel feeding section comprises a transition part arranged between the finish rolling section and the steel feeding device, the transition part comprises a first transition section and a second transition section which are arranged in parallel, when a double high rod product is produced, the first production line is communicated with the first transition section, and the second production line is communicated with the second transition section; the common bar production line is selectively in communication with either the first transition section or the second transition section when producing a common bar product.
5. The steel rolling production system of claim 4, wherein the common bar production line is disposed between the first production line and the second production line.
6. The steel rolling production system of claim 4, wherein the steel loading device comprises two sets of hub assemblies arranged in parallel, each set of hub assemblies comprising two hubs, the two sets of hub assemblies corresponding to the first transition section and the second transition section, respectively.
7. The steel rolling production system according to claim 5, wherein the finish rolling section includes a communication device movably provided between the finish rolling section and the upper steel section, the communication device including a first passage, a second passage, and a third passage provided in parallel in this order;
when the double high-rod product is produced, one end of the first passage is communicated with the first production line, the other end of the first passage is communicated with the first transition section, one end of the third passage is communicated with the second production line, and the other end of the third passage is communicated with the second transition section; when the common bar product is produced, one end of the second passage is communicated with the common bar production line, and the other end of the second passage is selectively communicated with the first transition section or the second transition section.
8. The steel rolling production system according to claim 7, wherein the finish rolling section further comprises a fifth passage and a sixth passage, one ends of the fifth passage and the sixth passage being connected to the bar production line, the other ends of the fifth passage and the sixth passage being provided separately, one end of the second passage being selectively communicated with the fifth passage or the sixth passage when a bar product is produced.
9. The steel rolling production system according to claim 7, wherein the finish rolling section further comprises a guide device, the guide device comprises two sliding rails and a plurality of pulleys, the two sliding rails are arranged oppositely, the sliding rails are arranged below the moving device, the pulleys corresponding to the two sliding rails are arranged on two sides of the first passage, the second passage and the third passage, and the pulleys are arranged in the corresponding sliding rails in a sliding manner.
10. The steel rolling production system of claim 7 wherein the finishing section further comprises a drive means, the drive end of which is connected to the first passageway or third passageway to drive the movement arrangement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310505822.4A CN116460135A (en) | 2023-05-08 | 2023-05-08 | Steel rolling production system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310505822.4A CN116460135A (en) | 2023-05-08 | 2023-05-08 | Steel rolling production system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116460135A true CN116460135A (en) | 2023-07-21 |
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ID=87173525
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310505822.4A Pending CN116460135A (en) | 2023-05-08 | 2023-05-08 | Steel rolling production system |
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| Country | Link |
|---|---|
| CN (1) | CN116460135A (en) |
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2023
- 2023-05-08 CN CN202310505822.4A patent/CN116460135A/en active Pending
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