CN214866110U - Flexible cold-rolled steel bar production line - Google Patents
Flexible cold-rolled steel bar production line Download PDFInfo
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- CN214866110U CN214866110U CN202023305027.1U CN202023305027U CN214866110U CN 214866110 U CN214866110 U CN 214866110U CN 202023305027 U CN202023305027 U CN 202023305027U CN 214866110 U CN214866110 U CN 214866110U
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Abstract
A flexible cold-rolled steel bar production line comprises a feeding device, a phosphorus removal device, a rolling mill and heat treatment equipment from front to back, wherein the rolling mill comprises a reducing rolling mill and a forming rolling mill, a pinch roll device is installed behind the heat treatment equipment, a numerical control flying shear is installed behind the pinch roll device, a point switch is installed behind the numerical control flying shear, a spiral shell collecting system and a straight steel bar collecting system are arranged behind the point switch in parallel, and a vertical coiling machine is adopted as the spiral shell collecting system. The production line has the production of the fixed-length straight steel bars and the spiral shells, reduces the production equipment cost, and effectively promotes the overall economic benefit of the cold-rolled ribbed steel bars.
Description
Technical Field
The utility model relates to a cold rolling reinforcing bar production line, in particular to can have the production line of production wire rod spiral shell and straight bar reinforcing bar concurrently belongs to reinforcing bar production technical field.
Background
The production technology of the high-ductility cold-rolled ribbed steel bar takes a Q235 common carbon disc round steel bar as a raw material, and produces the high-strength steel bar with the tensile strength of more than 600 MPa under the condition of not adding Ti, Nb, V and other microalloy materials; and the large-scale production of the high-ductility cold-rolled ribbed steel bar is realized by developing a complete set of automatic equipment. The production technology of the high-ductility cold-rolled ribbed steel bar realizes the reduction application of the steel bar, and achieves the economic benefit and social effect of material saving, energy saving and environmental protection. Meanwhile, compared with the hot rolled steel bar with the same strength level, the high-ductility cold-rolled ribbed steel bar saves micro-alloy materials and comprehensive energy consumption, accords with the industrial policy of the city and countryside construction department of housing and the industrial informatization department for jointly popularizing the high-strength steel bar for buildings to realize reduction of steel consumption, accords with the supply-side reform and the green development trend of the building industry in China, and has wide popularization and application and industrialization prospects. At present, the mainstream high-ductility cold-rolled ribbed steel bar in the market generally adopts vertical feeding, a reducing mill, a forming mill, intermediate frequency heat treatment, a wire laying machine, a conveying roller way, a coil collecting and a ground roller line/P/F line, however, the production line is generally formed by arranging three or four lines in parallel, the equipment cost is higher, and meanwhile, a straight fixed-length steel bar cannot be produced. With the increasing demand of the building market for the large scale of the high-ductility cold-rolled ribbed steel bar, the urgent need for developing new production equipment of the high-ductility cold-rolled ribbed steel bar is promoted: the production of the coiled steel bar and the fixed-length straight steel bar is considered, and meanwhile, the production equipment investment is less, and the high-ductility cold-rolled ribbed steel bar production line is better in economical efficiency.
Disclosure of Invention
An object of the utility model is to overcome the not good problem of present cold rolled steel bar production line compatibility, provide a flexible cold rolled steel bar production line.
In order to realize the purpose of the utility model, the following technical proposal is adopted: a flexible cold-rolled steel bar production line comprises a feeding device, a phosphorus removal device, a rolling mill and heat treatment equipment from front to back, wherein the rolling mill comprises a reducing rolling mill and a forming rolling mill, a pinch roll device is installed behind the heat treatment equipment, a numerical control flying shear is installed behind the pinch roll device, a point switch is installed behind the numerical control flying shear, a spiral shell collecting system and a straight steel bar collecting system are arranged behind the point switch in parallel, and a vertical coiling machine is adopted as the spiral shell collecting system.
Further, the method comprises the following steps of; the vertical recoiling machine adopts two parallel recoiling machines, and the switch has three outlets, wherein two outlets are respectively corresponding to one vertical recoiling machine, and the other outlet is corresponding to the straight reinforcing steel bar collecting system.
Further, the method comprises the following steps of; the heat treatment equipment adopts an intermediate frequency heating furnace, and a steel stacking emergency stop device is arranged between the forming rolling mill and the heat treatment equipment.
Further, the method comprises the following steps of; the rolling mill is a 45-degree cantilever rolling mill or a short stress path rolling mill or a housing mill, the reducing rolling mill adopts two passes, and the forming rolling mill adopts one pass.
Further, the method comprises the following steps of; the feeding device adopts a vertical feeding system.
The utility model discloses an actively beneficial technological effect lies in: the production line has the production of the fixed-length straight steel bars and the spiral shells, reduces the production equipment cost, and effectively promotes the overall economic benefit of the cold-rolled ribbed steel bars. Compared with the existing spiral coils, the spiral coil winding machine has the advantages that equipment such as a wire laying machine, a coil collecting station and a conveying roller way are omitted, the wire laying machine is omitted, a steel pouring device is not needed any more, the floor area of a production line is obviously reduced, a straight steel bar collecting system is provided, unqualified products rolled in the initial stage can be collected through the straight steel bar collecting system, a scrap steel collecting system on the traditional spiral coil production line is also omitted, the production line is not a simple mechanical fusion of two sets of production systems, and the effect that one is added and one is larger than two is achieved.
Drawings
FIG. 1 is an overall plan view of the present production line.
Fig. 2 is an enlarged view of the latter half of fig. 1.
Detailed Description
In order to explain the utility model more fully, the utility model provides an implementation example. These examples are merely illustrative of the present invention and do not limit the scope of the present invention.
The invention is explained in further detail with reference to the drawings, in which the reference symbols are: 1: a vertical feeding system; 2: reducing rolling mill; 3: a forming rolling mill; 4: a steel piling emergency stop device; 5: an intermediate frequency heating furnace; 6: a pinch roll device; 7: numerical control flying shears; 8: a switch; 9: a vertical coiler A; 10: a vertical coiler B; 11: straight reinforcing bar collection system.
As shown in the attached drawings, the flexible cold-rolled steel bar production line comprises a feeding device, a rolling mill and heat treatment equipment from front to back, wherein the feeding device adopts a vertical feeding system 1, the vertical feeding system can adopt the scheme of a patent number ZL201410092198.0 and a wire rod vertical feeding system, the rolling mill comprises a reducing rolling mill 2 and a forming rolling mill 3, the rolling mill is a 45-degree cantilever rolling mill or a short stress line rolling mill or a housing mill, the reducing rolling mill adopts two rolling mills, and the forming rolling mill is one rolling mill. As in the conventional production line, a phosphorus removal device, which is not shown in the figure, may be installed between the loading device and the rolling mill.
The heat treatment equipment adopts an intermediate frequency heating furnace, and a steel stacking emergency stop device 4 is arranged between the forming rolling mill and the heat treatment equipment.
A pinch roll device 6 is installed behind the heat treatment equipment, a numerical control flying shear 7 is installed behind the pinch roll device, a switch 8 is installed behind the numerical control flying shear, a coiled snail collecting system and a straight steel bar collecting system are arranged behind the switch in parallel, a vertical coiling machine is adopted as the coiled snail collecting system, two parallel vertical coiling machines are adopted as the vertical coiling machines, and a vertical coiling machine A shown in 9 and a vertical coiling machine B shown in 10 in the figure are two parallel vertical coiling machines; the switch 8 has three outlets, two of which correspond to a vertical coiler and the other to the collection system 11 of the bars. The vertical recoiling machine is the existing equipment at present and can be obtained by purchasing.
Can adopt manual packing rack packing behind vertical coiling machine, can adopt manual packing dolly behind the straight reinforcing bar collection system.
The straight steel bar collecting system in the application can adopt a steel turnover machine, can adopt the technical scheme in Chinese patent No. ZL201110114856.8, can also adopt the technical scheme disclosed in CN201721248621.7 (steel turnover machine with a scrap steel removing device), can also adopt a steel bar collecting system in CN201621077488.9, and can also adopt a steel bar collecting system in CN 201610847643.9.
During production of the production line, the coiled raw materials enter an intermediate frequency induction heating furnace for on-line annealing heat treatment after vertical feeding, two-pass diameter reduction and one-pass forming rolling. Then passing through a pinch roll and a flying shear, and then passing through a switch, arranging a production line in a herringbone manner, dividing the production line into two parts, collecting materials by a split-disk screw and collecting materials by a fixed-length straight strip; the coiled screw material receiving device comprises two vertical material receiving and coiling machines and a manual packing rack; the fixed-length straight strip receiving device comprises a steel turnover machine and a manual packing trolley. The switch can guide the rolled steel bars into the coil screw receiving channel groove or the straight strip receiving channel groove. When the spiral shell is produced, the spiral shell is conveyed by a pinch roll in a pinching mode, and a vertical coiling machine finishes coiling a coil material; the flying shears cut off the reinforcing steel bars, and the switch sends the reinforcing steel bars into the channel groove on the other side and enters the other vertical coiling machine for material collection. Meanwhile, the coils finished by receiving the materials are lifted to a manual packing rack for packing, and the next steel bar is waited to be coiled and received
After the embodiments of the present invention have been described in detail, those skilled in the art can clearly understand that various changes and modifications can be made without departing from the scope and spirit of the above claims, and any simple modification, equivalent change and modification made to the above embodiments according to the technical spirit of the present invention all fall within the scope of the technical solution of the present invention, and the present invention is not limited to the embodiments of the examples given in the specification.
Claims (5)
1. A flexible cold-rolled reinforcing steel bar production line comprises a feeding device, a rolling mill and heat treatment equipment from front to back, wherein the rolling mill comprises a reducing rolling mill and a forming rolling mill, and is characterized in that: the device is characterized in that a pinch roll device is installed behind the heat treatment equipment, a numerical control flying shear is installed behind the pinch roll device, a point switch is installed behind the numerical control flying shear, a coiled snail collecting system and a straight steel bar collecting system are arranged behind the point switch in parallel, and the coiled snail collecting system adopts a vertical coiling machine.
2. A flexible cold-rolled reinforcing bar production line according to claim 1, characterized in that: the vertical recoiling machine adopts two parallel recoiling machines, and the switch has three outlets, wherein two outlets are respectively corresponding to one vertical recoiling machine, and the other outlet is corresponding to the straight reinforcing steel bar collecting system.
3. A flexible cold-rolled reinforcing bar production line according to claim 1, characterized in that: the heat treatment equipment adopts an intermediate frequency heating furnace, and a steel stacking emergency stop device is arranged between the forming rolling mill and the heat treatment equipment.
4. A flexible cold-rolled reinforcing bar production line according to claim 1, characterized in that: the rolling mill is a 45-degree cantilever rolling mill or a short stress path rolling mill or a housing mill, the reducing rolling mill adopts two passes, and the forming rolling mill adopts one pass.
5. A flexible cold-rolled reinforcing bar production line according to claim 1, characterized in that: the feeding device adopts a vertical feeding system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023305027.1U CN214866110U (en) | 2020-12-31 | 2020-12-31 | Flexible cold-rolled steel bar production line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023305027.1U CN214866110U (en) | 2020-12-31 | 2020-12-31 | Flexible cold-rolled steel bar production line |
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| Publication Number | Publication Date |
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| CN214866110U true CN214866110U (en) | 2021-11-26 |
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| CN202023305027.1U Active CN214866110U (en) | 2020-12-31 | 2020-12-31 | Flexible cold-rolled steel bar production line |
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