CN205042878U - High -speed wire rod subtracts sizing mill apparatus for producing - Google Patents
High -speed wire rod subtracts sizing mill apparatus for producing Download PDFInfo
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- CN205042878U CN205042878U CN201520770950.2U CN201520770950U CN205042878U CN 205042878 U CN205042878 U CN 205042878U CN 201520770950 U CN201520770950 U CN 201520770950U CN 205042878 U CN205042878 U CN 205042878U
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Abstract
The utility model provides a high -speed wire rod subtracts sizing mill apparatus for producing comprises 1# reducing mill, 2# reducing mill, sizing mill, gearbox, AC motor, 1# reducing mill, 2# reducing mill are by interconnect's reducing mill awl case, reducing mill protection casing, reducing mill roller system, reducing mill guiding mechanism, reducing mill base are constituteed separately, the sizing mill comprises interconnect's sizing mill awl case, sizing mill protection casing, sizing mill roller system, sizing mill guiding mechanism, sizing mill base, characterized by: 1# reducing mill and 2# reducing mill are respectively by respective gearbox, AC motor individual drive, the sizing mill is two sizing mill combinations and forms and concentrate the transmission by a AC motor and a gearbox, its advantage is: transmission system is simple, and the gearbox velocity ratio reduces, and investment cost is low, rate of equipment utilization is high, use the maintenance convenient. Size precision is high, the product scope is wide.
Description
Technical field:
The utility model relates to Rolling-mill Auxiliary Facilities technical field, particularly relates to a kind of high-speed rod reducing sizing mill process units.
Background technology:
In the prior art, high-speed rod reducing-sizing mill mainly contains central driving type, two driving type and driven separately type.The cantilever rolling mill that central driving type reducing-sizing mill is arranged by 4 frame V-types forms, front 2 framves are reducing mill, and rear 2 framves are sizing mill, and 4 frames overlap the transmission of built-up gear case by 1 motor by 1, built-up gear case is provided with 9 clutches, may be combined with out the speed ratio meeting different process requirement.This unit adopts ellipse-circle-circle-circular hole system.There is the shortcomings such as the speed ratio gear of reductor gearbox is many, utilization rate is lower in this type unit; Two driving type reducing-sizing mill is divided into 2 module milling trains, and each module 2 passage, respectively by 1 motor-driven.2 gearboxes are driven respectively by 2 motors, drive 2 module milling trains by gearbox again, gearbox is single input axle double output shaft, at power shaft with wherein, 1 output shaft is equipped with 3 clutches, multiple speed ratio can be obtained by clutch operating, meet the mill speed needed for different product.Adopt electric interlock between 2 module milling trains, realize mill speed coupling.This unit adopts ellipse-circle-ellipse-circular hole system.There is gearbox structure relative complex in this type unit, pass schedule and roller diameter such as can not to adjust flexibly at the shortcoming; Driven separately type reducing-sizing mill passes through 4 gearbox driven separately by 4 motors, each gearbox meets the velocity interval that corresponding frame is arranged, eliminate for changing the reductor depressing ratio between frame, and adopt photoelectrons slow machine to make the mutual regulable control of motor, realize control between frame and mate.The spacing that this type unit exists sizing mill is large, causes rolled piece to reverse and causes Product Precision to decline, can not ensure the shortcoming of finished size precision.
Utility model content:
The purpose of this utility model overcomes the deficiencies in the prior art, and provide a kind of structure simple, easy to adjust, utilization rate of equipment and installations is high, cost of investment is low, the high-speed rod reducing sizing mill process units that range of product size is wide, dimensional accuracy is high.
The technical scheme that the utility model adopts for its problem of solution is: provide a kind of high-speed rod reducing sizing mill process units, be made up of 1# reducing mill, 2# reducing mill, sizing mill, gearbox, alternating current generator; 1# reducing mill is made up of interconnective 1# reducing mill cone case, 1# reducing mill protective cover, 1# reducing mill roller system, 1# reducing mill guiding mechanism, 1# reducing mill base; 2# reducing mill is made up of interconnective 2# reducing mill cone case, 2# reducing mill protective cover, 2# reducing mill roller system, 2# reducing mill guiding mechanism, 2# reducing mill base; Sizing mill is made up of interconnective sizing mill cone case, sizing mill protective cover, sizing mill roller system, sizing mill guiding mechanism, sizing mill base; It is characterized in that: 1# reducing mill and 2# reducing mill are respectively by respective gearbox, alternating current generator driven separately; Sizing mill is that two frame sizing mills combine and by an alternating current generator and a gearbox central driving; Electric-control system adopts prompt drop to compensate, reduces the control mode of prompt drop recovery time, electric interlock; 1# reducing mill, 2# reducing mill, sizing mill adopt the pass schedule of oval-circle-circle-circle; The working roll of each frame of reducing mill, sizing mill becomes topcross 45 ° layout; The mutual layout in 90 ° of adjacent rack; Be further characterized in that: the roll collars of 1# reducing mill, 2# reducing mill, sizing mill roller system adopts Hardmetal materials to make.
The beneficial effects of the utility model are: a. is owing to adopting 3 motor-drivens, and wherein 2 frame reducing mill driven separately, 2 frame sizing mill central driving, make transmission system simple, gearbox speed ratio reduces, and cost of investment is low, utilization rate of equipment and installations is high, working service is convenient.B. owing to being compensated by prompt drop, reducing prompt drop recovery time, electric interlock method, realize mill speed coupling, avoid the generation of piling steel situation, ensure product size precision.C. due to tube reducing unit driven separately, pass schedule, roller diameter all can adjust neatly, do not limit by speed ratio, and product scope is wide.D. because tube reducing unit interstand tension can adjusting and optimizing flexibly, roll frictional force is reduced, and roll working life significantly improves.E. because reducing mill has larger reduction ratio, rolled piece section can adjust neatly in right amount, thus enormously simplify roughing, in roll, the pass schedule of pre-finish rolling and mm finishing mill unit; F. due to sizing unit central driving, the spacing of two frame sizing mills reduces, and when avoiding driven separately, the large rolled piece of frame spacing produces and reverses, and reduces accident rate, improves Product Precision.
Accompanying drawing illustrates:
Fig. 1 is a kind of high-speed rod reducing sizing mill of the utility model embodiment process units unit layout drawing;
Fig. 2 is the utility model embodiment 1# reducing mill front view;
Fig. 3 is the utility model embodiment 1# reducing mill left view;
Fig. 4 is the utility model embodiment 1# reducing mill top view;
Fig. 5 is the utility model embodiment 2# reducing mill front view;
Fig. 6 is the utility model embodiment 2# reducing mill left view;
Fig. 7 is the utility model embodiment 2# reducing mill top view;
Fig. 8 is the utility model embodiment sizing mill front view;
Fig. 9 is the utility model embodiment sizing mill left view;
Figure 10 is the utility model embodiment sizing mill top view.
In accompanying drawing: 1.1# reducing mill; 2.2# reducing mill; 3. sizing mill; 4. gearbox; 5. alternating current generator; 6.1# reducing mill cone case; 7.1# reducing mill protective cover; 8.1# reducing mill roller system; 9.1# reducing mill guiding mechanism; 10.1# reducing mill base; 11.2# reducing mill cone case; 12.2# reducing mill protective cover; 13.2# reducing mill roller system; 14.2# reducing mill guiding mechanism; 15.2# reducing mill base; 16. sizing mill cone casees; 17. sizing mill protective covers; 18. sizing mill roller systems.19. sizing mill guiding mechanisms; 20. sizing mill bases.
Detailed description of the invention:
Below in conjunction with accompanying drawing, the utility model embodiment is described in further detail: a kind of high-speed rod reducing sizing mill process units as shown in Figure 1: comprise respectively by 1# reducing mill 1 and 2# reducing mill 2 that the diameter of alternating current generator 5, gearbox 4 driven separately is Φ 230mm, and the sizing mill 3 being Φ 150mm by two frame diameters of a set of alternating current generator 5, gearbox 4 central driving forms; As shown in Figure 2 to 4,1# reducing mill 1 is made up of interconnective 1# reducing mill cone case 6,1# reducing mill protective cover 7,1# reducing mill roller system 8,1# reducing mill guiding mechanism 9,1# reducing mill base 10; As shown in Fig. 5 ~ Fig. 7,2# reducing mill 2 is made up of interconnective 2# reducing mill cone case 11,2# reducing mill protective cover 12,2# reducing mill roller system 13,2# reducing mill guiding mechanism 14,2# reducing mill base 15; As shown in Fig. 8 ~ Figure 10, sizing mill 3 is made up of interconnective sizing mill cone case 16, sizing mill protective cover 17, sizing mill roller system 18, sizing mill guiding mechanism 19, sizing mill base 20; The frame of this reducing sizing mill by boring case, protective cover, roller system, guiding mechanism, base form.Cone case and base, protective cover, guiding mechanism are threaded connection, and cone case and roller system pass through Bevel Gear Transmission.Whole reducing-sizing mill is made up of four frame V-type cantilever rolling mills, and the working roll of each frame adopts topcross 45 ° layout, and 1# reducing mill, 2# reducing mill, sizing mill pass schedule are oval-circle-circle-circle.Two frame Φ 150mm sizing mills are below ultrahigh speed frame, ensure that mill speed can reach 110m/s.The mutual layout in 90 ° of adjacent rack, achieves no twist rolling.Reducing mill and sizing mill can shift out from rolling line separately, realize quick-replaceable frame, roll off-line assembles, significantly reduce downtime, improve milling train hourly output by roll change buggy.The guiding mechanism of this reducing-sizing mill is all arranged on fore side, is convenient to adjustment.Electric-control system adopts prompt drop to compensate, reduces the control mode of prompt drop recovery time, electric interlock; The roll collars of reducing mill, sizing mill roller system adopts Hardmetal materials to make.Rolling mill practice of the present utility model is: the rolling percentage elongation of the first rolling pass frame is 1.0 ~ 1.4, the rolling percentage elongation of described second rolling pass frame is 1.0 ~ 1.4, the rolling percentage elongation of described 3rd rolling pass frame is 1.0 ~ 1.2, the rolling percentage elongation of described 4th rolling pass frame is 1.0 ~ 1.2, and total rolling percentage elongation of four rolling passes is 1.0 ~ 1.8.Zerolling is carried out at 750 ~ 800 DEG C, to meet the controlled rolling requirement of γ+α two-phase section, can effective refining grain size, improve wire product performance.Product specification is Φ 5mm-Φ 25mm, and the product of all specifications all shuts out through reducing-sizing mill, and Product Precision is high, and dimensional tolerance guarantee value is ± 0.1mm, and out-of-roundness is 60%.Adopt carbide roll ring, the pass life-span is long, dimensional accuracy is high.Operation principle of the present utility model is: the rolled piece shut out from finishing mill rolls out qualified finished product through 1# reducing mill 1,2# reducing mill 2 and sizing mill 3 successively.The rotating speed that in the course of work, alternating current generator 5 exports passes through gearbox 4 by power transmission on reducing-sizing mill.Pass schedule is oval-circle-circle-circle.This unit adopts 3 alternating-current variable frequency motor transmissions, and wherein tube reducing unit respectively drives a gearbox by a motor, then drives a frame reducing mill by gearbox.And sizing unit drives a gearbox by a motor, then drive two frame sizing mills by gearbox.Reducing-sizing mill adopts electrical interlocks to realize mill speed coupling.Sizing mill gearbox is single input axle double output shaft, at power shaft with wherein, an output shaft is equipped with clutch, converts two different operating positions, obtain different gearratios, meet the mill speed needed for different product by clutch lever.Gearbox double output shaft is directly connected with the power shaft of cone case by shaft coupling.The spacing of reducing mill frame is 1500mm, and the spacing of sizing mill frame is 150mm.The power of 3 motors is respectively 1450kw, 1200kw and 1200kw.
Claims (2)
1. a high-speed rod reducing sizing mill process units, is made up of 1# reducing mill (1), 2# reducing mill (2), sizing mill (3), gearbox (4), alternating current generator (5); 1# reducing mill (1) is made up of interconnective 1# reducing mill cone case (6), 1# reducing mill protective cover (7), 1# reducing mill roller system (8), 1# reducing mill guiding mechanism (9), 1# reducing mill base (10); 2# reducing mill (2) is made up of interconnective 2# reducing mill cone case (11), 2# reducing mill protective cover (12), 2# reducing mill roller system (13), 2# reducing mill guiding mechanism (14), 2# reducing mill base (15); Sizing mill (3) is made up of interconnective sizing mill cone case (16), sizing mill protective cover (17), sizing mill roller system (18), sizing mill guiding mechanism (19), sizing mill base (20); It is characterized in that: 1# reducing mill (1) and 2# reducing mill (2) are respectively by respective gearbox (4), alternating current generator (5) driven separately; Sizing mill (3) is that two frame sizing mills combine and by an alternating current generator (5) and gearbox (4) central driving; Electric-control system adopts prompt drop to compensate, reduces the control mode of prompt drop recovery time, electric interlock; 1# reducing mill (1), 2# reducing mill (2), sizing mill (3) adopt the pass schedule of oval-circle-circle-circle; The working roll of each frame of reducing mill, sizing mill becomes topcross 45 ° layout; The mutual layout in 90 ° of adjacent rack.
2. a kind of high-speed rod reducing sizing mill process units according to claim 1, is characterized in that: the roll collars of 1# reducing mill (1), 2# reducing mill (2), sizing mill (3) roller system adopts Hardmetal materials to make.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520770950.2U CN205042878U (en) | 2015-09-30 | 2015-09-30 | High -speed wire rod subtracts sizing mill apparatus for producing |
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| CN201520770950.2U CN205042878U (en) | 2015-09-30 | 2015-09-30 | High -speed wire rod subtracts sizing mill apparatus for producing |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106694562A (en) * | 2017-03-23 | 2017-05-24 | 中冶赛迪工程技术股份有限公司 | Independent transmission rolling mill and unit thereof |
| CN107321798A (en) * | 2017-08-24 | 2017-11-07 | 北京京诚之星科技开发有限公司 | Corner gear box for single-frame transmission steel pipe stretch reducer |
| CN110052494A (en) * | 2019-04-29 | 2019-07-26 | 北京勤泽鸿翔冶金科技有限公司 | A method of control wire rod rolling dimensional accuracy |
| CN110076202A (en) * | 2019-06-04 | 2019-08-02 | 重庆诺林工程技术有限公司 | A kind of steel production system and technique |
-
2015
- 2015-09-30 CN CN201520770950.2U patent/CN205042878U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106694562A (en) * | 2017-03-23 | 2017-05-24 | 中冶赛迪工程技术股份有限公司 | Independent transmission rolling mill and unit thereof |
| CN107321798A (en) * | 2017-08-24 | 2017-11-07 | 北京京诚之星科技开发有限公司 | Corner gear box for single-frame transmission steel pipe stretch reducer |
| CN107321798B (en) * | 2017-08-24 | 2023-10-24 | 北京京诚瑞信长材工程技术有限公司 | Corner gear box for single-frame transmission steel pipe tension reducing machine |
| CN110052494A (en) * | 2019-04-29 | 2019-07-26 | 北京勤泽鸿翔冶金科技有限公司 | A method of control wire rod rolling dimensional accuracy |
| CN110076202A (en) * | 2019-06-04 | 2019-08-02 | 重庆诺林工程技术有限公司 | A kind of steel production system and technique |
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