CN2595471Y - Device for rolling wire rod - Google Patents
Device for rolling wire rod Download PDFInfo
- Publication number
- CN2595471Y CN2595471Y CN 02264747 CN02264747U CN2595471Y CN 2595471 Y CN2595471 Y CN 2595471Y CN 02264747 CN02264747 CN 02264747 CN 02264747 U CN02264747 U CN 02264747U CN 2595471 Y CN2595471 Y CN 2595471Y
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- rolling
- mill
- finishing mill
- guide groove
- track switch
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Abstract
The utility model discloses a device for rolling a wire rod. The utility model has the structure that a heating furnace, a roughing mill, a middle mill, a pre-finishing mill, a finishing mill and a spinning machine are sequentially connected by a guide slot to form a rolling main channel; the main channel can also be provided with a reducing and sizing mill between the finishing mill and the spinning machine; more than one group of rolling sub channels which are respectively composed of a plurality of water tanks and guide slots are additionally arranged between the pre-finishing mill and the reducing and sizing mill or the spinning machine; the front and the tail ends of each sub channel are provided with two shorting bending guide slots which are respectively connected with the rolling main channel through rail switches of the guide slots. The utility model makes the existing high-speed device for rolling a wire rod realize low temperature rolling technology, and the existing high-speed device for rolling a wire rod can only carry out common conventional rolling technology; in addition, the wire rod can be conveniently rolled according to different technology conditions. The utility model has the advantages of low price and field saving and is particularly suitable for the improvement of the existing high-speed device for rolling a wire rod.
Description
Technical field
The claimed technical scheme of the utility model relates to the technical field of steel wire rod rolling equipment.
Background technology
It is rolling rolling with normalizing that present widely used steel wire rod rolling equipment generally can only carry out normal conventional, and promptly rolled piece all designs more than 850 ℃ in the rolling temperature of finishing mill and reducing sizing mill, and wire rod is controlled at Ar
3Above austenite non-recrystallization district or recrystallization zone carry out finish rolling, rolled piece after the finish rolling is through the water-cooled section, the volume cooling supply line that looses carries out water-cooled and air-cooled or insulation processing, obtain the tissue of the normalized condition of corresponding steel grade, as fine pearlite, ferrite+pearlite or the like, the above technology capital equipment and the technological process of production are: heating furnace → roughing mill → middle milling train → pre-finishing mill → finishing mill → (reducing sizing mill) → pinch roll, Laying head → the volume supply line looses, collection volume station, from the blooming mill to the Laying head, be to connect with guide groove to carry rolled piece between each equipment, between pre-finishing mill and the finishing mill, be provided with water tank between finishing mill and the reducing sizing mill, be used to cool off rolled piece.Because the final rolling temperature of setting is more than 850 ℃, the distance between pre-finishing mill and the finishing mill, between finishing mill and the reducing sizing mill is generally about 30 meters.
To being used for the wire rod of cold-working processing, essential process spheroidizing makes pearlite add ferrite or the cementite structural transformation becomes spherodized structure, just can carry out further deep processing, but the power consumption of spheroidizing operation is consuming time, increases metal loss, contaminated environment.Therefore, laboratory research both at home and abroad finds that under low-temperature deformation (two-phase region distortion) condition, sample can obtain the fine grained texture that lamellar pearlite is degenerated, and material is softened widely, and hardness is near the hardness of spheroidizing.This zerolling technology thermal mechanical rolling that is otherwise known as, but on the existing rod-rolling mill device, because the distance between pre-finishing mill and the finishing mill, between finishing mill and the reducing sizing mill is short, rolled piece can't be cooled to therefore the wire rod zerolling is achieved on existing rod-rolling mill device as advancing finishing mill under 750 ℃ the cryogenic conditions or reducing sizing mill is rolled equably.
Summary of the invention
Making the existing wire rod rolling device that can only realize normal conventional and normalizing rolling mill practice can be easily carry out processes such as thermal mechanical rolling and normal conventional, normalizing be rolling by the difference requirement, to carry out wire rod rolling be technical problem to be solved in the utility model.
The scheme of the utility model technical solution problem is: a kind of device of rolled wire, by guide groove with heating furnace, roughing mill, middle milling train, pre-finishing mill, finishing mill, Laying head connects to form rolling passage, guide groove is with heating furnace, roughing mill, middle milling train, pre-finishing mill, finishing mill, Laying head is linked in sequence and constitutes rolling main channel, the main channel can also be provided with reducing sizing mill between finishing mill and Laying head, increase the rolling subaisle of being made up of several water tanks and guide groove more than a group to reducing sizing mill or the Laying head at pre-finishing mill, subaisle two ends from beginning to end has two short circuit bend guide grooves respectively by being connected on guide groove track switch and the rolling main channel.Said apparatus makes between pre-finishing mill and the mm finishing mill unit between distance and pre-finishing mill and reducing sizing mill or the Laying head apart from changeable by technological requirement by guide groove track switch, make distance lengthening between mm finishing mill unit and the reducing sizing mill simultaneously, when the technological requirement zerolling, because distance strengthens between the milling train, make rolled piece can have the sufficient time to be arrived enough low temperature by water-cooled, and in guide groove,, realize two-phase region (Ar by recovering that the rolled piece surface and the temperature of heart portion are tending towards evenly
1-Ar
3) zerolling, the instant heating machine is rolling.When technological requirement normal temperature is rolling, can switch to short route easily, the rolled piece surface and the temperature of heart portion are tending towards evenly, can reduce temperature again and fall, satisfy technological requirement
Rolling main channel is bending or crossings on different level shape by the transition of bend guide groove, so not only can make rolling main channel can save building yard as far as possible, satisfy the rolling passage of different technology conditions but also can form with rolling subaisle flexibly and easily, and can shorten the length of rolling subaisle.
Technical solutions of the utility model are on the rolling device basis by the design of existing normal conventional rolling mill practice, from the steel temperature control is that the most basic process conditions are started with, change the rolling mill practice condition by the length that changes water tank quantity and guide groove, because being aided with some basic attemperating units with sufficiently long guide groove, some water tanks can make the later rolled piece temperature of pre-finish rolling system guarantee that by different controlled conditions rolled piece total length temperature is even, and the surface is even to the whole section temperature of heart portion, makes all sites of rolled piece all rolling by the temperature of technological design.Rolling in addition main channel can be arranged to multiple sleeve type channel designs such as bending intersects according to place and technological requirement with subaisle, can not only between multiple rolling mill practice, switch easily and flexibly, and can save space, with pull into straight line and compare, can save the long factory building investment of 70-80 rice, moreover can also make subaisle can utilize the guide groove of rolling main channel, so utilize existing wire rod rolling equipment to change a social system very convenient and less investment as far as possible.
Description of drawings
Fig. 1 is the structural representation of an optimal way of the utility model.
Fig. 2, Fig. 3, Fig. 4, Fig. 5 are each embodiment schematic diagrames that rolling main channel and the rolling subaisle of structure shown in Figure 1 is combined into different rolling passages.
The specific embodiment
Among Fig. 1, guide groove is linked in sequence heating furnace, roughing mill, middle milling train, pre-finishing mill 1, finishing mill 2, reducing sizing mill 8, Laying head 9, air-cooled transporter 10 and constitutes rolling main channel, as shown in Figure 2; Pre-finishing mill 1 to the passage crossings on different level between the reducing sizing mill 8 becomes ring set shape, infall is provided with three-dimensional guide groove track switch 6, this solid guide groove track switch 6 ring set passage that rolled piece can be led, promptly constitute rolling main channel shown in Figure 2, on the beeline channel 11 that the reducing sizing mill 8 that also rolled piece directly can be led is positioned at, promptly constitute another kind of rolling passage as shown in Figure 5, finishing mill 2 is positioned on the ring set passage.
There is guide groove track switch 3 rolled piece can be imported bend 12 from the rolling passage of master of pre-finishing mill 1 outlet, bend 12 directly is connected on the inlet ring set passage before of guide groove track switch 3 and finishing mill 2 as a rolling subaisle, constitutes rolling passage as shown in Figure 4.Ring set passage before the inlet of finishing mill 2 is provided with a guide groove track switch 5, bend 13 is connected on the rolling passage after the outlet of guide groove track switch 5 and finishing mill as a rolling subaisle, thereby rolled piece directly can be led to reducing sizing mill 8 without finish rolling, constitute rolling passage as shown in Figure 3.
Among Fig. 1, distributing the on every side guide groove of several water tanks 7, the bend 12,13 that track switch 3,5,6 has reached the short circuit effect formed multiple cover lane device, this installs rolling main channel is that short circuit bend guide groove is connected by track switch with rolling subaisle, constitute four rolling passages, according to the different process requirement, rolled piece imports different passages, through varying number water tank water-cooled and different length guide groove recovery temperature, satisfies the temperature control requirement of different process.When rolled piece importing long-channel is rolling, by being arranged in several the water tank water-cooleds on the passage by computer controlled automatic, arranged the rational guide groove of a segment length behind each water tank, through the low and heart portion temperature height of the rolled piece surface temperature of water-cooled, by one section guide groove thereafter, temperature is restored evenly, through water-cooled, recovery several times, rolled piece is dropped to the low-temperature space of technological design equably, and the rolled piece section temperature is even.When product requirement normal temperature was rolling, rolled piece imported jitty, and by less water tank, computer is controlled water tank as required and given a certain amount of water-cooled or non-water-cooled, satisfies higher rolling temperature requirement.
Shown in Fig. 2 is rolling main channel, rolled piece arises from pre-finishing mill 1, do not turn round in straight-line pass track switch 3 places, import the ring set passage by crossings on different level track switch 6, import finishing mill, directly lead to reducing sizing mill from the finishing mill outlet again,, be suitable for Φ 5.0-10mm dimension wire thermal mechanical rolling until the air-cooled supply line of volume that looses.
Passage 2 shown in Figure 3 arises from pre-finishing mill, imports ring set passage 1 by crossings on different level track switch 6, and track switch 5 imports rolled piece by bend 13, and straight line leads to reducing sizing mill, until the air-cooled supply line 7 of volume that looses, is suitable for Φ 11.5-25mm dimension wire thermal mechanical rolling.
The passage of Fig. 4 arises from pre-finishing mill, imports outer curve 12 by track switch 3, to finishing mill 2, is exported to reducing sizing mill 8 from finishing mill through the ring set passage again, and until the air-cooled supply line of volume that looses, it is rolling to be suitable for Φ 5.0-10mm dimension wire pair rolling and normalizing.
The rolling passage of Fig. 5 arises from pre-finishing mill, directly imports line channel 11 from crossings on different level track switch 2 without ring set, and it is rolling directly to enter reducing sizing mill, and until the air-cooled supply line of volume that looses, it is rolling to be suitable for Φ 11.5-25mm dimension wire pair rolling and normalizing.
No matter rolled piece is by that passage, all will be by several water tanks, the cooling capacity of these waterbox design can satisfy the maximum capacity of technological requirement, computer-controlled water tank can be according to the technological requirement of concrete description, automatic regulating pondage, to guarantee that from the rolled piece of pre-finishing mill outlet rolling temperature realizes that fully by technological requirement control low temperature or normal temperature are rolling.
Claims (5)
1, a kind of device of rolled wire, by guide groove with heating furnace, roughing mill, middle milling train, pre-finishing mill (1), finishing mill (2), Laying head (9) connects to form, it is characterized in that: guide groove is with heating furnace, roughing mill, middle milling train, pre-finishing mill (1), finishing mill (2), Laying head (9) is linked in sequence and constitutes rolling main channel, the main channel can also be provided with reducing sizing mill (8) between finishing mill (2) and Laying head (9), at the rolling subaisle that pre-finishing mill (1) to reducing sizing mill (8) or the preceding increase of Laying head (9) is made up of several water tanks (7) and guide groove more than a group, there are two short circuit bend guide grooves at subaisle head and the tail two ends respectively by being connected on guide groove track switch and the rolling main channel.
2, the device of a kind of rolled wire according to claim 1 is characterized in that:
Rolling main channel is bending or crossings on different level shape by the transition of bend guide groove.
3, the device of a kind of rolled wire according to claim 2 is characterized in that:
Pre-finishing mill (1) to crossings on different level between the reducing sizing mill (8) becomes ring set shape, infall is provided with three-dimensional guide groove track switch (6), this solid guide groove track switch (6) ring set passage that rolled piece can be led, on the beeline channel (11) that the reducing sizing mill (8) that also rolled piece directly can be led is positioned at, finishing mill (2) is positioned on the ring set passage.
4, the device of a kind of rolled wire according to claim 3 is characterized in that:
Have track switch (3) rolled piece can be imported bend (12) from the rolling passage of master of pre-finishing mill (1) outlet, bend (12) is connected on the inlet ring set passage before of track switch (3) and finishing mill (2).
5, the device of a kind of rolled wire according to claim 3 is characterized in that:
Ring set passage before the inlet of finishing mill (2) is provided with a track switch (5), and bend (13) is connected on the rolling passage after track switch (5) and finishing mill (2) export.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02264747 CN2595471Y (en) | 2002-09-30 | 2002-09-30 | Device for rolling wire rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02264747 CN2595471Y (en) | 2002-09-30 | 2002-09-30 | Device for rolling wire rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2595471Y true CN2595471Y (en) | 2003-12-31 |
Family
ID=33730894
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02264747 Expired - Fee Related CN2595471Y (en) | 2002-09-30 | 2002-09-30 | Device for rolling wire rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2595471Y (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100453194C (en) * | 2005-12-07 | 2009-01-21 | 首钢总公司 | Control cooling method of resolving self-break while producing high-carbon wire rod |
| CN101507970B (en) * | 2009-03-20 | 2011-06-01 | 湖南华菱湘潭钢铁有限公司 | High-speed wire multi-channel S-shaped large-repeater production line and rolling technique thereof |
| CN103447316A (en) * | 2013-09-09 | 2013-12-18 | 中冶赛迪工程技术股份有限公司 | Temperature-controlling and cold-controlling method and process layout for final molding rolling of high-speed wire rods |
| CN104070063A (en) * | 2013-03-31 | 2014-10-01 | 汉威广园(广州)机械设备有限公司 | High-speed wire production process equipment |
| CN104646426A (en) * | 2015-02-06 | 2015-05-27 | 内蒙古包钢钢联股份有限公司 | Rolled piece rolling unit mechanism, rolling curve lead steel wire and application method |
| CN106944475A (en) * | 2017-03-17 | 2017-07-14 | 唐山钢铁集团有限责任公司 | High line exempts from the milling method of pickling steel for welding wire |
| CN111229830A (en) * | 2020-01-15 | 2020-06-05 | 无锡瑞进智能工程有限公司 | Equipment for producing wire or bar by using 180-degree uniform-temperature large loop rolled by real heat engine |
-
2002
- 2002-09-30 CN CN 02264747 patent/CN2595471Y/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100453194C (en) * | 2005-12-07 | 2009-01-21 | 首钢总公司 | Control cooling method of resolving self-break while producing high-carbon wire rod |
| CN101507970B (en) * | 2009-03-20 | 2011-06-01 | 湖南华菱湘潭钢铁有限公司 | High-speed wire multi-channel S-shaped large-repeater production line and rolling technique thereof |
| CN104070063A (en) * | 2013-03-31 | 2014-10-01 | 汉威广园(广州)机械设备有限公司 | High-speed wire production process equipment |
| CN103447316A (en) * | 2013-09-09 | 2013-12-18 | 中冶赛迪工程技术股份有限公司 | Temperature-controlling and cold-controlling method and process layout for final molding rolling of high-speed wire rods |
| CN103447316B (en) * | 2013-09-09 | 2015-08-12 | 中冶赛迪工程技术股份有限公司 | The temperature control controlled cooling method of high-speed rod final shaping unit rolling and production line |
| CN104646426A (en) * | 2015-02-06 | 2015-05-27 | 内蒙古包钢钢联股份有限公司 | Rolled piece rolling unit mechanism, rolling curve lead steel wire and application method |
| CN106944475A (en) * | 2017-03-17 | 2017-07-14 | 唐山钢铁集团有限责任公司 | High line exempts from the milling method of pickling steel for welding wire |
| CN111229830A (en) * | 2020-01-15 | 2020-06-05 | 无锡瑞进智能工程有限公司 | Equipment for producing wire or bar by using 180-degree uniform-temperature large loop rolled by real heat engine |
| CN111229830B (en) * | 2020-01-15 | 2021-12-07 | 无锡瑞进智能工程有限公司 | Equipment for producing wire or bar by using 180-degree uniform-temperature large loop rolled by real heat engine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20031231 Termination date: 20100930 |