CN204220636U

CN204220636U - Multi-functional ruler device on hot rolling line

Info

Publication number: CN204220636U
Application number: CN201420563249.9U
Authority: CN
Inventors: 高磊; 冯蕊
Original assignee: INNER MONGOLIA ZHONGTUO ALUMINIUM Co Ltd
Current assignee: INNER MONGOLIA ZHONGTUO ALUMINIUM Co Ltd
Priority date: 2014-09-28
Filing date: 2014-09-28
Publication date: 2015-03-25
Anticipated expiration: 2024-09-28

Abstract

The utility model is the multi-functional ruler device on a kind of hot rolling line, relates to the ruler device on metal plate and belt hot rolling line, particularly a kind ofly collects rolled piece centering, auxiliary to nip, edging surveys the device that the function such as wide concentrates in together.Mainly comprise two bases (1) and the slide unit on base (2) of the both sides being symmetricly set on rolled strip on roller-way, slide unit (2) is provided with some vertical rods (9) near the inner side of band one end, at least 1 vertical rod connects motor or hydraulic motor, make at least one vertical rod by power drive, take milling train as reference position, from closely to far, prick limit roller center line increasing to the distance of rolling centerline.The utility model advantage: 1) the utility model collection rolled piece centering, auxiliary to nip, edging surveys the function such as wide and concentrates on an equipment and realize, and while improve production efficiency and product quality, also reduces equipment cost; 2) by computer automatic control system, can realize automatically setting edging amount according to thickness of strip, both quantitatively also can determine power edging by edging.

Description

Multi-functional ruler device on hot rolling line

Technical field

The utility model relates to the ruler device on metal plate and belt hot rolling line, particularly a kind ofly collects rolled piece centering, auxiliary to nip, edging surveys the device that the function such as wide concentrates in together.

Technical background

Ruler device is arranged on before and after main mill, and realizing the centering of band, auxiliary to nip, prick the functions such as limit fixed width, is the auxiliary equipment of essential key on hot rolling production line.On November 28th, 2007, Chinese patent literature discloses the utility model patent that a kind of name is called " a kind of roll line jig being convenient to automatic Calibration ", publication number is CN200981079Y, respectively by two baffle plates be parallel to each other being positioned at active side and fore side hydraulic cylinder and controlling before the jig of such roll line is included in frame, it is characterized in that, near the withdrawal limit of each hydraulic cylinder, two limit switches are installed.Adopt baffle plate to carry out slip correcting in this device, the friction between itself and rolled piece is large, easily causes damage and poor stability to the edge of rolled piece.For another example, on 07 4th, 2012, Chinese patent literature discloses a kind of name and is called " a kind of ruler device of band hot mill ", Authorization Notice No. CN 202290786 U, such ruler device comprises support, be symmetrical set in roller-way upper left jig group and right jig group, left jig group and right jig group are made up of translation jig and swing jig respectively, each translation jig be respectively equipped with the synchronous hydraulic cylinder promoting the movement of translation jig between support, left guide rod and right guide rod is provided with in individual oil hydraulic cylinder both sides, left guide rod, one end of right guide rod is connected with translation jig, guide rod lazy-tongs are provided with between the guide rod that left and right jig group is corresponding.Adopting in this device is the guide-localization mechanism of guide rod as jig, and its frictional resistance is large, and installation difficulty is high, high to the driving force demand of equipment, reduces the mechanical high-speed operation demand of this jig; Product in the operation of rolling be one by thick production process thinning gradually, this device does not control the lateral compression power of jig, same pressure is all used to the product of the Different periods on hot rolling line, distortion is caused to the thinner product side in later stage.Band hot rolling several leading passage is by the restriction of plate ingot and roll shop building frictional force, if drafts is excessive, band is nipped naturally can be very difficult, general adopt the method that reduces single pass drafts or nip under external force is assisted solve nature and to nip the problem of difficulty.This have impact on production efficiency greatly, reduces the finishing temperature of hot-rolled band.Band hot rolling can produce larger spreading, and some material also can form crackle in edge, and this brings difficulty not only to follow-up Rolling Production, also reduces final yield rate, adds the production cost of band.Usually can arrange independent edging mill for addressing this problem or arrange independently edger roll in hot rolling frame porch, equipment investment increases greatly.

Utility model content

For the problems referred to above existing for the structural drawback in above-mentioned prior art existing for hot rolling line jig and limitation functionally and production process, the a set of brand-new ruler device of the utility model design, on the basis ensureing band alignment function, what realize band auxiliaryly nips and edging fixed width function, that is: jig, push away ingot, edging integration.

To achieve these goals, the utility model is by the following technical solutions:

The utility model mainly comprises two bases 1 and the slide unit on base 2 of the both sides being symmetricly set on rolled strip on roller-way, slide unit is fixed with hydraulic cylinder 3, slide unit 2 is provided with some vertical rods 9 near the inner side of band one end, the centering body of two slide unit synchronous interactions, slide unit 2 is case structure, the linear slide rail assembly 7 making guide-localization is moved in parallel to vertical rolling centerline direction with slide unit respect thereto, at least 1 vertical rod connects motor or hydraulic motor, makes at least one vertical rod by power drive; Take milling train as reference position, from closely to far, two symmetrical edger roll spacing or claim opening degree increasing, adjacent two symmetrical edger roll pitch difference or title opening degree difference are the edging amount of single edger roll, further, adjacent two symmetrical edger roll pitch difference or the distribution in arithmetic progression of title opening degree difference; Described slide unit 2 is provided with some vertical rods 9 near the inner side of band one end, and the shape of vertical rod 9 is back taper; Described founds the tapering of rod 9 in 1-20o scope in back taper; Described slide unit 2 is case structure, and its section configuration is stepped, and the end face wherein divided near the thicker of roller-way installs vertical rod 9; Described slide block guide rail assembly 7 comprises slide block 71 and guide rail 72, and guide rail 72 is fixed on the bottom surface of slide unit 2 by position, both sides, and guide rail 72 rolls with slide block 71 and coordinates; Described centering body 8 comprises the interlock fixed support 81 fixing with a wherein slide unit bottom surface, tooth bar connecting rod 82, the pinion and rack be made up of upper rack 83, gear 84, lower tooth bar 85, gear is engaged mutually with upper and lower tooth bar, upper rack 83 is fixed on the bottom surface of another slide unit, and lower tooth bar 85 is connected with tooth bar connecting rod 82 one end, and the other end of tooth bar connecting rod is fixedly connected with interlock fixed support 81, when upper rack moves to a direction, moved round about by tooth bar under gear driven.

The utility model takes above technical scheme, it has the following advantages: 1) the utility model collection rolled piece centering, auxiliary to nip, edging surveys the function such as wide and concentrates on an equipment and realize, while improve production efficiency and product quality, also reduce equipment cost; 2) by computer automatic control system, can realize automatically setting edging amount according to thickness of strip, both quantitatively also can determine power edging by edging.

Accompanying drawing explanation

Fig. 1 is the general structure stereogram of the novel jig equipment on the utility model hot rolling line;

Fig. 2 is the front view of the novel jig equipment on the utility model hot rolling line;

Fig. 3 is the structural representation of centering body in Fig. 1, Fig. 2;

Fig. 4 is the structural representation that the utility model is placed on before and after main mill.

Detailed description of the invention

Below in conjunction with accompanying drawing, the utility model is described in more detail:

As accompanying drawing 1-4 illustrates, label in figure represents respectively: base 1, slide unit 2, hydraulic cylinder 3, Hydraulic Cylinder Pedestal Used 4, hydraulic cylinder body supporting seat 5, servomechanism 6, slide block guide rail assembly 7, slide block 71, guide rail 72, lazy-tongs 8, interlock fixed support 81, tooth bar connecting rod 82, upper rack 83, gear 84, lower tooth bar 85, edger roll 9, initiatively edger roll 91, driven edger roll 92, reducing motor 10, main mill 11.

As shown in Figure 1, the utility model comprises two bases 1, is symmetricly set on the both sides of rolled strip on roller-way; And two slide units 2 be arranged on base; And the drive unit 3 be fixed between base and slide unit, move forward and backward for driving slide unit; Also comprise the linear guiding mechanism 7 making slide unit respect thereto to vertical rolling centerline direction movement, it is between slide unit with base and be connected with them; Make the lazy-tongs 8 of two slide unit synchronous interactions; The edger roll 9 of vertical installation of more than at least 2 on usual each slide unit, be separately positioned on the inner side of slide unit near band one end, the roller of two side slid platforms is symmetrical relative to rolling centerline, wherein at least one edger roll is live roll, and realize live roll speed governing, between edger roll and band roll-force regulate, the hydraulic system of distance adjustment and electric control system between the roller of bundle limit, both sides; Linear slide rail, except accurately leading, is also wanted to bear band in rolling direction and is applied to the power of pricking on the roller of limit, can adopt rail plate, also can adopt rolling guide; Centering body comprises the link gear fixed with two side slid platforms, and object realizes two side slid platform centering course synchronization motions.Also mechanical type can be adopted synchronous, such as: rack-and-pinion lazy-tongs, chain or belt-type lazy-tongs etc.Also can pass through position analysis, the slide unit being realized both sides by control system is synchronized with the movement; Take milling train as reference position, from closely to far, two symmetrical edger roll spacing or claim opening degree increasing, adjacent two symmetrical edger roll pitch difference or title opening degree difference are the edging amount of single edger roll, further, adjacent two symmetrical edger roll pitch difference or the distribution in arithmetic progression of title opening degree difference; In addition, in the edger roll of every side, there are drive roll and driven voller, drive roll are provided with the drive unit driving it to rotate, motor or hydraulic motor can be adopted to drive through reductor, also can by motor or hydraulic motor Direct driver.After driven voller contact band, roller is pulled to rotate by the rectilinear movement of band; The drive unit driving slide unit movement can be linear motion driver, such as hydraulic cylinder, cylinder etc., can be also rotary motion driver, such as motor, hydraulic motor etc., through mechanical transmission mechanism, rotary motion is converted to rectilinear motion; Conventional switching mechanism has: rack pinion, screw nut driving, Chain conveyer, belt transmission, crank block crank rocker etc.; In addition, different drivers, adopts corresponding servo controller to control; Setting position checkout gear on slide unit, measures the displacement of slide unit, for Survey control strip width.Measurement mechanism can use linear displacement transducer, such as: grating scale, magnetic railings ruler, differential transformer etc., also rectilinear motion can be converted to rotary motion, corner is measured with measurement rotary angle transmitter, corner is converted into the displacement of rectilinear motion, conventional corner measuring apparatus has: rotary encoder, rotary transformer etc.

Fig. 1, Fig. 2 are novel jig equipment on hot rolling line of the present utility model, comprise two bases 1, are symmetricly set on the both sides of rolled strip on roller-way; And two slide units 2 be arranged on base; And the hydraulic cylinder 3 be fixed on slide unit, also comprise for slide unit 2 respect thereto 1 moves in parallel the linear slide rail assembly 7 making guide-localization to vertical rolling centerline direction, it is between slide unit 2 with base 1 and be connected with them; Make the centering body 8 of two slide unit synchronous interactions, it is between slide unit 2 with base 1 and two slide units 2 are connected; 2 groups of edger rolls 9 in back taper, are separately positioned on the inner side of slide unit near band one end, and symmetrical relative to rolling centerline; Base 1 is spill, the stepped type case structure of slide unit 2, and this structure can meet the utility model force request, and relative conservation; The cylinder body of described hydraulic cylinder 3 is fixed on slide unit 2 by hydraulic cylinder body supporting seat 5, and hydraulic cylinder 3 one end with piston rod is fixed by Hydraulic Cylinder Pedestal Used 4 and base 1; Slide block guide rail assembly 7 comprises slide block 71 and guide rail 72, and guide rail 72 is fixed on the bottom surface of slide unit 2 by position, both sides, and slide block 71 is fixed on the upper surface of base 1 by position, both sides, and guide rail 72 rolls with slide block 71 and coordinates.Slide block guide rail assembly is as the guide-localization mechanism of slide unit relative to base movement, and frictional force is little, and the high speed that can realize machinery runs; Fig. 3 is the centering body 8 failing to represent in the figure of Fig. 1 Fig. 2, and described centering body 8 comprises the interlock fixed support 81 fixing with a wherein slide unit bottom surface, tooth bar connecting rod 82, the pinion and rack be made up of upper rack 83, gear 84, lower tooth bar 85; Gear is engaged mutually with upper and lower tooth bar, and upper rack 83 is fixed on the bottom surface of another slide unit, and lower tooth bar 85 is connected with tooth bar connecting rod 82 one end, and the other end of tooth bar connecting rod is fixedly connected with interlock fixed support 81; When upper rack moves to a direction, moved round about by tooth bar under gear driven; The centering body 8 of this kind of structure in the utility model jig equipment, be do a restriction to the synchronous interaction of two slide units, it is a servo-actuated process completely, and frictional force is little, and the life-span is long.In addition, in the gear 84 of centering body, be provided with axle, axle is fixed by bearing mounting base, and this axle arranges an encoder, with gear 84 coaxial rotating.Encoder calculates the opening degree size of jig by the revolution of record gear; Often organize edger roll 9 and at least comprise 2 rollers, relatively away from main mill roller pivot to the distance of rolling centerline be greater than relatively near the pivot of main mill roller to the distance of rolling centerline; Often organize in edger roll and have drive roll and driven voller, drive roll is provided with the motor and speed reducer driving it to rotate, driven voller be one with the passive roller of the band Structure deformation of process; What design in the present embodiment is often organize edger roll to comprise two rods, and one is drive roll 91, which is provided with the motor 10 driving it to rotate, and relatively away from main mill; One is driven voller 92, its band Structure deformation with process and relative to main mill.Drive roll 91 pivot is greater than the distance of driven voller pivot to rolling centerline to the distance of rolling centerline; The tapering of back taper edger roll design is 2 degree, but it can push down band as wedge, edging is carried out to band, the warpage of product in the operation of rolling can also be overcome, according to said structure, during use when band is by edger roll, multi-pass can be carried out to band, there is good edging effect, easily can also realize the feeding to rolled strip; In addition, the outside of a base is provided with the servomechanism 6 regulating cylinder pressure wherein, realizes the adjustment of hydraulic cylinder to band lateral compression power.

Below operation principle of the present utility model and the course of work are further described:

Novel jig equipment on hot rolling line of the present utility model, two hydraulic cylinders 3 provide driving force for two slide units move back and forth to vertical roll line direction; Slide block guide rail assembly 7 is as the guide-localization mechanism of slide unit relative to base movement; The centering body 8 simultaneously arranged in jig equipment realizes the synchronism of two slide unit movements; After hydraulic cylinder 3 works, two slide units 1 do synchronous interaction campaign; When rolled strip near time, the edger roll 9 pairs of rolled strips arranged near the inner side of band one end at slide unit carry out correcting, feeding, multi-pass edging; Simultaneously servomechanism 6 carrys out edger roll when hydraulic control cylinder drives and, to the lateral compression power of band, prevents strip side portion from deforming; The encoder simultaneously arranged on the axle of centering body 8 middle gear, measures jig openings of sizes; As shown in Figure 4, jig equipment of the present utility model is arranged on the front and back of main mill 11, in the whole operation of rolling to the band of rolling on roller-way by set direction and state accurately, stable importing and derivation.

Although below done detailed explanation with reference to accompanying drawing to design of the present utility model; but the ordinary skill of this area can be recognized; under the prerequisite not departing from claim limited range; still can make various improvement and conversion to the utility model, and this improvement and conversion still should belong to protection domain of the present utility model.

Claims

1. the multi-functional ruler device on hot rolling line, mainly comprise two bases (1) and the slide unit on base (2) of the both sides being symmetricly set on rolled strip on roller-way, slide unit is fixed with hydraulic cylinder (3), slide unit (2) is provided with some vertical rods (9) near the inner side of band one end, the centering body of two slide unit synchronous interactions, it is characterized in that, slide unit (2) is case structure, the linear slide rail assembly (7) making guide-localization is moved in parallel to vertical rolling centerline direction with slide unit respect thereto, the motor of at least 1 vertical rod connection or hydraulic motor, make at least one vertical rod by power drive, take milling train as reference position, from closely to far, two symmetrical edger roll spacing or claim opening degree increasing, adjacent two symmetrical edger roll pitch difference or claim opening degree difference to be the edging amount of single edger roll.

2. the multi-functional ruler device on hot rolling line according to claim 1, is characterized in that: described slide unit (2) is provided with some vertical rods (9) near the inner side of band one end, and the shape of vertical rod (9) is back taper.

3. the multi-functional ruler device on hot rolling line according to claim 2, is characterized in that: described founds the tapering of rod (9) in 1-20o scope in back taper.

4. the multi-functional ruler device on hot rolling line according to claim 1, is characterized in that: described slide unit (2) is case structure, and its section configuration is stepped, and the end face that wherein thicker is divided installs vertical rod (9).

5. the multi-functional ruler device on hot rolling line according to claim 1, it is characterized in that: described slide block guide rail assembly (7) comprises slide block (71) and guide rail (72), the bottom surface that guide rail (72) is fixed on slide unit (2) is by position, both sides, and guide rail (72) rolls with slide block (71) and coordinates.

6. the multi-functional ruler device on hot rolling line according to claim 1, it is characterized in that: described centering body (8) comprises the interlock fixed support (81) fixing with a wherein slide unit bottom surface, tooth bar connecting rod (82), by upper rack (83), gear (84), the pinion and rack that lower tooth bar (85) forms, gear is engaged mutually with upper and lower tooth bar, upper rack (83) is fixed on the bottom surface of another slide unit, lower tooth bar (85) is connected with tooth bar connecting rod (82) one end, the other end of tooth bar connecting rod is fixedly connected with interlock fixed support (81), when upper rack moves to a direction, moved round about by tooth bar under gear driven.

7. the multi-functional ruler device on hot rolling line according to claim 1, it is characterized in that: the bundle limit roller on described every side slid platform, take milling train as reference position, from closely to far, two symmetrical edger roll spacing or claim opening degree increasing, adjacent two symmetrical edger roll pitch difference or title opening degree difference are the edging amount of single edger roll, and the distribution in arithmetic progression.