CN105414176A - Hot-rolled steel bar production line - Google Patents

Hot-rolled steel bar production line Download PDF

Info

Publication number
CN105414176A
CN105414176A CN201510958321.7A CN201510958321A CN105414176A CN 105414176 A CN105414176 A CN 105414176A CN 201510958321 A CN201510958321 A CN 201510958321A CN 105414176 A CN105414176 A CN 105414176A
Authority
CN
China
Prior art keywords
hot
unit
production line
bar production
reinforced bar
Prior art date
Application number
CN201510958321.7A
Other languages
Chinese (zh)
Inventor
唐辉
Original Assignee
重庆麦拓科技有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 重庆麦拓科技有限公司 filed Critical 重庆麦拓科技有限公司
Priority to CN201510958321.7A priority Critical patent/CN105414176A/en
Publication of CN105414176A publication Critical patent/CN105414176A/en

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21BROLLING OF METAL
    • B21B1/00Metal-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
    • B21B1/16Metal-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
    • B21B1/163Rolling or cold-forming of concrete reinforcement bars or wire ; Rolls therefor
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21BROLLING OF METAL
    • B21B15/00Arrangements for performing additional metal-working operations specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
    • B21B15/0007Cutting or shearing the product

Abstract

The invention discloses a hot-rolled steel bar production line. The hot-rolled steel bar production line comprises a paying-off unit, a heating unit, a rolling unit, a shearing unit and a collecting unit arranged in sequence, wherein descaling equipment for descaling a hot-rolled coil is arranged between the paying-off unit and the heating unit. The production line uses a ready-made hot-rolled bar as a raw material; the hot-rolled coil is fed to the heating unit from the paying-off unit via the scaling equipment for heating so as to enable the hot-rolled coil to reach a hot state; then, the steel bar in the hot state is fed to the rolling unit for molding through extruding; finally, the steel bar is cut according to a specified length through the shearing unit, so that the collecting and bundling operations of the collecting unit are facilitated; the hot-rolled steel bar production line is simple in structure, low in equipment investment, small in floor area, convenient for equipment installation, simple in operation, capable of realizing multi-specification and small-batch workshop type processing and capable of flexibly adapting to various customer requirements; and meanwhile, because of few devices, the power consumption in production is reduced, and the operation cost and the maintenance cost can be reduced.

Description

A kind of hot-rolled reinforced bar production line
Technical field
The present invention relates to steel rolling equipment technical field, particularly a kind of hot-rolled reinforced bar production line.
Background technology
Hot-rolled reinforced bar, owing to having good tensile strength, plasticity, toughness, solderability and the adhesive property between reinforcing bar and concrete, therefore, is widely used in the civil engineering construction such as house, bridge, road.
In prior art, the hot-rolled reinforced bar production line hot-rolled reinforced bar that to the last output is shaping from steel billet material, this production line has that equipment investment is many, floor space is large, operating cost is high, power consumption is large, production chains is poor, be difficult to the shortcomings such as the Production requirement meeting client's many specifications small lot, cause dropping in advance and the production cost in later stage all higher.
Therefore, how to provide a kind of hot-rolled reinforced bar production line, the production cost in input and later stage in advance can be reduced, improve production chains to meet the different demand of client, become the important technological problems that those skilled in the art are urgently to be resolved hurrily.
Summary of the invention
In view of this, the invention provides a kind of hot-rolled reinforced bar production line, to reach the production cost that can reduce input and later stage in advance, improve production chains to meet the object of the different demand of client.
For achieving the above object, the invention provides following technical scheme:
A kind of hot-rolled reinforced bar production line, comprises the pay-off unit, heating unit, rolling unit, cut cells and the collector unit that set gradually, wherein, is provided with for coiling the scale removal equipment of carrying out de-scaling to hot rolling between described pay-off unit and described heating unit.
Preferably, described pay-off unit comprises horizontal actinobacillus device and reason wire frame, and described reason wire frame is horn-like, and the osculum end of described reason wire frame is fixed on the charging aperture of described descaling device, and big opening end is towards described horizontal actinobacillus device.
Preferably, described pay-off unit also comprises opposite soldering device, and described opposite soldering device is arranged at described horizontal actinobacillus device one end away from described reason wire frame.
Preferably, described rolling unit comprises the short stress path rolling mill that 2 ~ 6 framves are alternately arranged.
Preferably, looper is provided with before short stress path rolling mill described in every frame.
Preferably, described heating unit is induction heater, and the porch of described induction heater is also provided with into stove conveying device, and exit is provided with conveying device of coming out of the stove.
Preferably, described collector unit comprises and is set in turn in the cold bed after described cut cells, traversing stand and collecting frame.
Preferably, straightener is provided with between described descaling device and described heating unit and between described cold bed and described traversing stand.
Preferably, pinch roll is provided with between adjacent on described hot-rolled reinforced bar production line machining cell.
Preferably, the side of described hot-rolled reinforced bar production line is provided with the Full-automatic variable-frequency switch board for controlling each equipment on described hot-rolled reinforced bar production line.
As can be seen from technique scheme, the invention provides a kind of hot-rolled reinforced bar production line, comprise the pay-off unit, heating unit, rolling unit, cut cells and the collector unit that set gradually, wherein, be provided with between pay-off unit and heating unit for coiling the scale removal equipment of carrying out de-scaling to hot rolling, in process of production, ready-made hot rolling wire or bar is used to coil as raw material, above-mentioned hot rolling is coiled and carries out heating so that make hot rolling coil reach red-hot state by pay-off unit through descaling device feeding heating unit, subsequently the reinforcing bar of red-hot state is sent into rolling unit extruded, scale is carried out finally by shear, so that the collection of collector unit is tied up, as can be seen here, hot-rolled reinforced bar production line structure provided by the invention is simple, equipment investment is few, floor space is little, equipment is easy for installation, simple to operate, reduce the requirement for initial investment, the workshop-based processing of many specifications small lot can be realized, simultaneously because equipment is few, power consumption in production reduces, contribute to the decline of operating cost and maintenance cost, ensure that the reduction of rear production cost for the period, and this production line can flexible adaptation various requirement, to produce according to the specific demand of different client.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
The structural representation of the hot-rolled reinforced bar production line that Fig. 1 provides for the embodiment of the present invention.
Detailed description of the invention
The invention provides a kind of hot-rolled reinforced bar production line, to reach the production cost that can reduce input and later stage in advance, improve production chains to meet the object of the different demand of client.
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Refer to Fig. 1, the structural representation of the hot-rolled reinforced bar production line that Fig. 1 provides for the embodiment of the present invention.
Embodiments provide a kind of hot-rolled reinforced bar production line, comprise the pay-off unit 1, heating unit 5, rolling unit 7, cut cells 8 and the collector unit 9 that set gradually, wherein, be provided with between pay-off unit 1 and heating unit 5 for coiling the scale removal equipment 2 of carrying out de-scaling to hot rolling.
Compared with prior art, the hot-rolled reinforced bar production line that the embodiment of the present invention provides, can adapt to specification is that the various hot rollings of 5.5 to 20mm are coiled, in process of production, the ready-made hot rolling wire of above-mentioned specification or bar is used to coil as raw material, above-mentioned hot rolling is coiled and carries out heating so that make hot rolling coil reach red-hot state by pay-off unit 1 through descaling device feeding heating unit 5, subsequently the reinforcing bar of red-hot state is sent into rolling unit 7 extruded, scale is carried out, so that the collection of collector unit 9 is tied up finally by shear.
As can be seen here, hot-rolled reinforced bar production line structure provided by the invention is simple, equipment investment is few, floor space is little, equipment is easy for installation, simple to operate, reduce the requirement for initial investment, can realize the workshop-based processing of many specifications small lot, simultaneously because equipment is few, the power consumption in production reduces, contribute to the decline of operating cost and maintenance cost, ensure that the reduction of rear production cost for the period, and this production line can flexible adaptation various requirement, to produce according to the specific demand of different client.
Ready-made hot rolling is coiled owing to being in coiled state for a long time, deform, therefore when being launched to send into rolling unit 7, easy generation wrapping phenomena, normally carrying out of influence of rolled, therefore, in order to avoid gren rod is wound around, rolling unit 7 can be entered smoothly, in embodiments of the present invention, pay-off unit 1 comprises horizontal actinobacillus device 12 and reason wire frame 13, reason wire frame 13 is in horn-like, the osculum end of reason wire frame 13 is fixed on the charging aperture of descaling device, big opening end is towards horizontal actinobacillus device 12, with reason by horizontal actinobacillus device 12 coordinating of wire frame 13 gren rod can be launched and combing is carried out to it, be rolled so that it to be imported smoothly rolling unit 7, avoid the generation of wrapping phenomena.
Because hot-rolled reinforced bar production line provided by the invention adopts ready-made hot rolling to coil as raw material, its length is all limited, in order to ensure the continuous seepage of production line, improve automated production level, simplify the operation step, realize endless rolling, in embodiments of the present invention, pay-off unit 1 also comprises opposite soldering device 11, opposite soldering device 11 is arranged at horizontal actinobacillus device 12 one end away from reason wire frame 13, the end that two sections of hot rollings are coiled can be welded by arranging opposite soldering device 11, it is made to be connected so that carrying out continuously of producing, reduce workman to reload, the operations such as continuous material, improve automated production level.
In order to optimize technique scheme further, ensureing to carry out sufficient rolling to hot-rolled reinforced bar, improving rolling quality, in embodiments of the present invention, rolling unit 7 comprises the short stress path rolling mill that 2 ~ 6 framves are alternately arranged.
On hot-rolled reinforced bar production line, the mill speed of each milling train can not be completely the same, this will cause reinforcing bar in the operation of rolling, produce extra tension force, overtension will make the reinforcing bar of rolling produce defect, Quality Down, therefore, in embodiments of the present invention, looper 6 is provided with before every frame short stress path rolling mill.
Heating unit 5 can adopt multiple device to realize, in embodiments of the present invention, heating unit 5 is induction heater, and the porch of induction heater is also provided with into stove conveying device, exit is provided with conveying device of coming out of the stove, by setting into stove conveying device and conveying device of coming out of the stove can improve the automaticity of hot-rolled reinforced bar production line, simplify the operation.Further, in order to make reinforcing bar reach red-hot state, so that keep the inconvenience of original crystal structure in the operation of rolling, in embodiments of the present invention, Hot Line bar is heated to 700 DEG C to 1000 DEG C by induction heater.
Reinforcing bar after rolling still has very high temperature, therefore, in embodiments of the present invention, collector unit 9 comprises the cold bed 91, traversing stand 92 and the collecting frame 93 that are set in turn in after cut cells 8, after rolling completes, first sheared by cut cells 8 pairs of steel bar fixed lengths, then sent into cold bed 91 and make it to be cooled to room temperature, move to collecting frame 93 finally by traversing stand 92 and carry out bundling.
Uniform rolling is obtained in order to enable Hot Line bar, further raising rolling quality, make it easy to collection tie up simultaneously, in embodiments of the present invention, straightener 4 is provided with between descaling device and heating unit 5 and between cold bed 91 and traversing stand 92, aligned before heating rolling by the 4 pairs of Hot Line bars of the straightener before heating unit 5, can be smooth-going enter milling train, ensure that Hot Line bar can obtain uniform rolling, promote rolling quality, and the straightener 4 be arranged at after cold bed 91 can be aligned the reinforcing bar machined, enable reinforcing bar neat be collected on collecting frame 93, so that the tying up of reinforcing bar.
In order to optimize technique scheme further, in embodiments of the present invention, pinch roll 3 is provided with between adjacent on hot-rolled reinforced bar production line machining cell.
In embodiments of the present invention, the side of hot-rolled reinforced bar production line is also provided with the Full-automatic variable-frequency switch board 10 for controlling each equipment on hot-rolled reinforced bar production line, in process of production, controlled by each equipment on Full-automatic variable-frequency switch board 10 pairs of production lines, production line can be made more energy-conservation, safer, more efficient, greatly enhance productivity.
In this description, each embodiment adopts the mode of going forward one by one to describe, and what each embodiment stressed is the difference with other embodiments, between each embodiment identical similar portion mutually see.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the present invention.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein can without departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.

Claims (10)

1. a hot-rolled reinforced bar production line, it is characterized in that, comprise the pay-off unit (1), heating unit (5), rolling unit (7), cut cells (8) and the collector unit (9) that set gradually, wherein, be provided with between described pay-off unit (1) and described heating unit (5) for coiling the scale removal equipment (2) of carrying out de-scaling to hot rolling.
2. hot-rolled reinforced bar production line according to claim 1, it is characterized in that, described pay-off unit (1) comprises horizontal actinobacillus device (12) and reason wire frame (13), described reason wire frame (13) is in horn-like, the osculum end of described reason wire frame (13) is fixed on the charging aperture of described descaling device, and big opening end is towards described horizontal actinobacillus device (12).
3. hot-rolled reinforced bar production line according to claim 2, it is characterized in that, described pay-off unit (1) also comprises opposite soldering device (11), and described opposite soldering device (11) is arranged at described horizontal actinobacillus device (12) one end away from described reason wire frame (13).
4. hot-rolled reinforced bar production line according to claim 1, is characterized in that, described rolling unit (7) comprises the short stress path rolling mill that 2 ~ 6 framves are alternately arranged.
5. hot-rolled reinforced bar production line according to claim 4, is characterized in that, is provided with looper (6) before short stress path rolling mill described in every frame.
6. hot-rolled reinforced bar production line according to claim 1, is characterized in that, described heating unit (5) is induction heater, and the porch of described induction heater is also provided with into stove conveying device, and exit is provided with conveying device of coming out of the stove.
7. hot-rolled reinforced bar production line according to claim 1, it is characterized in that, described collector unit (9) comprises and is set in turn in the cold bed (91) after described cut cells (8), traversing stand (92) and collecting frame (93).
8. hot-rolled reinforced bar production line according to claim 7, it is characterized in that, between described descaling device and described heating unit (5) and between described cold bed (91) and described traversing stand (92), be provided with straightener (4).
9. the hot-rolled reinforced bar production line according to any one of claim 1-8, is characterized in that, is provided with pinch roll (3) between machining cell adjacent on described hot-rolled reinforced bar production line.
10. hot-rolled reinforced bar production line according to claim 1, is characterized in that, the side of described hot-rolled reinforced bar production line is provided with the Full-automatic variable-frequency switch board (10) for controlling each equipment on described hot-rolled reinforced bar production line.
CN201510958321.7A 2015-12-19 2015-12-19 Hot-rolled steel bar production line CN105414176A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510958321.7A CN105414176A (en) 2015-12-19 2015-12-19 Hot-rolled steel bar production line

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510958321.7A CN105414176A (en) 2015-12-19 2015-12-19 Hot-rolled steel bar production line

Publications (1)

Publication Number Publication Date
CN105414176A true CN105414176A (en) 2016-03-23

Family

ID=55492962

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201510958321.7A CN105414176A (en) 2015-12-19 2015-12-19 Hot-rolled steel bar production line

Country Status (1)

Country Link
CN (1) CN105414176A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106180183A (en) * 2016-09-26 2016-12-07 安阳合力创科冶金新技术股份有限公司 High speed cold rolling straight steel bar production system and production technology

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0976002A (en) * 1995-09-12 1997-03-25 Hitachi Metals Ltd Method for rolling wire rod
CN2743365Y (en) * 2004-11-05 2005-11-30 马鞍山钢铁股份有限公司 Longitudinal electric heating cold rolling reinforced bar strain ageing treatment device
CN1857807A (en) * 2006-05-30 2006-11-08 江阴博丰钢铁有限公司 Hot rolling process of wide flat bar steel
CN101670364A (en) * 2009-09-14 2010-03-17 中色科技股份有限公司 Novel hard alloy wire rod processing process
CN102061370A (en) * 2011-01-31 2011-05-18 中国钢研科技集团有限公司 Production process of rebar for concrete
CN102303043B (en) * 2011-09-14 2013-10-30 邵阳高华工贸实业有限公司 Cold-rolled ribbed steel bar production device and production method for same
CN103498036A (en) * 2013-09-25 2014-01-08 江苏天舜金属材料集团有限公司 Production technology of hot-rolled high-strength fine-diameter steel bar by adopting drawing wire
CN103611726A (en) * 2013-10-30 2014-03-05 黑龙江建龙钢铁有限公司 Rolling technology for thread steel of certain diameter
CN105382048A (en) * 2015-12-16 2016-03-09 重庆麦拓科技有限公司 Cold rolled reinforcing bar production line

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0976002A (en) * 1995-09-12 1997-03-25 Hitachi Metals Ltd Method for rolling wire rod
CN2743365Y (en) * 2004-11-05 2005-11-30 马鞍山钢铁股份有限公司 Longitudinal electric heating cold rolling reinforced bar strain ageing treatment device
CN1857807A (en) * 2006-05-30 2006-11-08 江阴博丰钢铁有限公司 Hot rolling process of wide flat bar steel
CN101670364A (en) * 2009-09-14 2010-03-17 中色科技股份有限公司 Novel hard alloy wire rod processing process
CN102061370A (en) * 2011-01-31 2011-05-18 中国钢研科技集团有限公司 Production process of rebar for concrete
CN102303043B (en) * 2011-09-14 2013-10-30 邵阳高华工贸实业有限公司 Cold-rolled ribbed steel bar production device and production method for same
CN103498036A (en) * 2013-09-25 2014-01-08 江苏天舜金属材料集团有限公司 Production technology of hot-rolled high-strength fine-diameter steel bar by adopting drawing wire
CN103611726A (en) * 2013-10-30 2014-03-05 黑龙江建龙钢铁有限公司 Rolling technology for thread steel of certain diameter
CN105382048A (en) * 2015-12-16 2016-03-09 重庆麦拓科技有限公司 Cold rolled reinforcing bar production line

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
李曼云等: "《高速轧机线材生产知识问答》", 31 January 2006, 冶金工业出版社 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106180183A (en) * 2016-09-26 2016-12-07 安阳合力创科冶金新技术股份有限公司 High speed cold rolling straight steel bar production system and production technology

Similar Documents

Publication Publication Date Title
EP2957359B1 (en) Plant for the production of flat rolled products
US8025092B2 (en) Process and related plant for producing steel strips with solution of continuity
US20020095764A1 (en) Hot-rolling mill
CN101121228B (en) Bimetallic composite wire rod high-efficient production line
RU2508171C2 (en) Method and device for making preset-length bars at steel foundry works
KR20070112879A (en) A continuous casting and rolling method for medium plate
AT506603A1 (en) Method and device for a cast ironing composite
JPH06116883A (en) Corrosion-resistant synthetic wire and preparation thereof
DE102008003222A1 (en) Compact flexible CSP system for continuous, semi-continuous and batch operation
CN203725524U (en) Ultra-high-speed roll steel bar production line
CN101745544B (en) Method for controlling transverse thickness difference of medium-low grade electrical steel
CA2141097A1 (en) Method and arrangement for manufacturing hot rolled steel strip from continuously cast input stock
CN101298084B (en) Technique for processing D type copper pipe with unequal-radius wall thickness or equal-radius wall thickness
US20030121304A1 (en) Apparatus for the production of stretched wire
US9126246B2 (en) Rolling method for flat products and relative rolling line
CN1483521A (en) Method for continuous casting, continuoccs rolling intermediate and thin sheet blanket
CN103537878B (en) Processing method for U-shaped double end bolt
CN102174671B (en) Thermal treatment production line of high-strength stirrup
CN202943191U (en) Numerical control hydraulic reinforcing steel bar hoop bending machine
BRPI0611392A2 (en) Method and production line for making copper wire or copper alloy tape
DD262602A5 (en) Method and apparatus for producing hot-rolled steel strip
CN105290106A (en) Low-temperature control rolling and splitting process method and device for ribbed steel bars
CN109226257B (en) Method for rolling plate by steckel mill and production line thereof
RU2310529C2 (en) Endless rolling method of steel billet produced at casting speed of billet and having cross section in the form of thin slab and continuous casting machine for performing the method
CN104550237A (en) Continuous casting-direct rolling device for producing rod wire and section bar and method

Legal Events

Date Code Title Description
PB01 Publication
C06 Publication
SE01 Entry into force of request for substantive examination
C10 Entry into substantive examination
RJ01 Rejection of invention patent application after publication

Application publication date: 20160323

RJ01 Rejection of invention patent application after publication