CN206838769U - Acid washing rolled steel pretreating device - Google Patents

Abstract

The utility model discloses a kind of acid washing rolled steel pretreating device, the acid washing rolled steel pretreating device includes frame, the frame along steel feedstock direction be sequentially provided with for convey steel entrance pinch roll mechanism, for make steel produce flexural deformation bending mechanism, steel surface is loosened scale breading mechanism, steel surface residue is collected dust exhaust apparatus, for flattening steel and steel being delivered to the flattening mechanism of acid dip pickle, with remove steel surface residue, the advantages of economizing on resources.

Description

Acid washing rolled steel pretreating device

Technical field

A kind of acid washing rolled steel equipment is the utility model is related to, more particularly to a kind of acid washing rolled steel pretreating device.

Background technology

Acid washing rolled steel refers to, strip is had clean and active surface, to ensure the surface of produced steel Quality, in order to obtain such surface, to remove the iron scale on surface.

The hot-strip coiled sheet of hot rolling mill production, rolls and batches, what belt steel surface generated under the conditions of corresponding The defects of iron scale, being covered in securely on the surface of strip very much, and covering belt steel surface.Come from the angle of steel rolling Say, go rolling to bring many problems if these strips with iron scale are directly sent into cold-rolling mill：First, under a large amount of Rolled under conditions of pressure, iron scale can be pressed into the matrix of strip, influence the surface quality and processing characteristics of cold-reduced sheet, Even cause waste product；Second, recycle unit can be damaged by entering the emulsion system of cooling and lubricating roll after iron scale is broken, contract The service life of short emulsion；Third, having damaged, surface smoothness and machining accuracy be all very high and expensive cold roll. Therefore, strip is before cold rolling, it is necessary to its scale on surface is removed, to ensure the surface quality of produced cold-strip steel.

Coil steel enters before pickling, needs first uncoiling then to be loosened to steel surface iron scale, makes its steel Acid solution can carry out chemical assingnment, by steel surface well into steel with iron scale after into acid dip pickle Iron scale removes.

It is in place of the deficiencies in the prior art, typically by bending steel or steel surface being scratched, so that will Steel surface iron scale ruptures, and so does the general rust bits residue that has and remains in steel surface, continues into acid dip pickle In, chemically reacted with acid solution, cause acid solution to waste.

Utility model content

The purpose of this utility model is to provide a kind of acid washing rolled steel pretreating device, has and removes steel surface residue, section About resource the advantages of.

Above-mentioned technical purpose of the present utility model technical scheme is that：

A kind of acid washing rolled steel pretreating device, including frame, the frame are sequentially provided with for defeated along steel feedstock direction Send pinch roll mechanism that steel enter, for making steel produce the bending mechanism of flexural deformation, steel surface being loosened Scale breading mechanism, the dust exhaust apparatus being collected to steel surface residue, for flattening steel and steel being delivered into acid dip pickle Flattening mechanism.

Using said structure, steel are entered in bending mechanism under the driving of pinch roll mechanism, pass through bending mechanism pair Steel surface carries out flexural deformation, ruptures the iron scale of its steel surface, increases hole crack between iron scale, and then Iron scale is loosened by scale breading mechanism, further increases hole crack between iron scale, and then fill by dust suction Put and the iron scale after rupture is residued in the residue of steel surface collected, avoid residue enter in acid dip pickle with acid Solution is chemically reacted；It is transported to after and through flattening mechanism in acid dip pickle and carries out pickling, makes acid solution in its acid dip pickle Fully incorporate in iron scale, produce chemical reaction with iron scale, more thoroughly iron scale is cleared up, makes its steel Surface is cleaner；Steel surface flattening mechanism will be bent through simultaneously after flattens, and its steel is more easily entered Cleaned into acid dip pickle.

More preferably：The dust exhaust apparatus includes being used for the dust suction for collecting steel surface residue above steel Chamber, the dust suction pump in frame, both ends respectively with the top of vacuum chamber and the dust sucting pipeline that connects of dust suction pump and positioned at steel The collecting box of lower section, the dust catcher air outlet are connected by dust outlet tube road with collecting box.

Using said structure, it is arranged on by collecting box below steel, makes the residue of its steel lower surface in Action of Gravity Field Under drop in collecting box；Meanwhile dust suction pump startup, the residue of steel upper surface is absorbed by vacuum chamber, and then through going out dirt Pipeline is imported in collecting box, and residue is uniformly collected and handled.

More preferably：The vacuum chamber both ends are slided up and down by actuator five with respect to frame, the dust sucting pipeline Using flexible pipe.

Using said structure, drive vacuum chamber to be slided up and down with respect to frame by actuator five, adjust vacuum chamber and steel The distance between, make it that different-thickness steel are applied with the suction of equal size, strengthen the collecting effect to residue.

More preferably：The bending mechanism includes being arranged above and below some fixing rollers in frame and relative frame Some movable rolls slided and shifted to install with fixing roller.

Using said structure, steel are played a supporting role by some fixing rollers, and then by movable roll with respect to frame Slide up and down, steel are extruded, deform its steel bending, rupture the iron scale of steel surface.

More preferably：The scale breading mechanism is respectively arranged at steel upper/lower terminal including two and steel surface is entered The steel wire roller that row loosens.

Using said structure, by being arranged on the steel wire roller of steel upper and lower surface, the surface of steel two is loosened, enters one Space crack on the iron scale of step increase steel surface, after its steel is entered acid dip pickle, pickling obtains more abundant.

More preferably：The movable roll is slided up and down by spindle gear with respect to frame, and movable roll both ends turn It is dynamic to be connected with mounting seat, offered in frame and be only capable of the chute that slides up and down for mounting seat, the spindle gear includes two Both sides mounting seat is passed vertically through respectively and the screw mandrel coordinated with mounting seat screw thread, screw mandrel one end are connected with gantry rotation, the other end It is connected with motor.

Using said structure, when need to adjust the differently curved degree of steel, start motor and drive screw mandrel to rotate, pacifying Under the screw thread matching relationship for filling seat and screw mandrel, drive installation seat drives movable roll to be slided up and down with respect to frame, adjust movable roll and Vertical distance between fixing roller, so as to adjust the differently curved degree of steel, the rupture effect of enhancing steel surface iron scale Fruit.

More preferably：One end of two screw mandrels is extended outside frame and one end outside frame is respectively equipped with one Drive, two drives are connected by a transmission belt, and two wire rod threads are in opposite direction.

Using said structure, two drives are connected by transmission belt, only need a motor to drive wherein one Root screw mandrel rotates, you can two screw mandrel synchronous axial systems is driven, so as to drive movable roll to be slided up and down with respect to frame.

More preferably：The pinch roll mechanism includes bottom pinch roll and top pinch roll, bottom pinch roll and gantry rotation Connection and one end are connected with rotary electric machine, and top pinch roll drives relative frame to slide up and down by actuator one.

Using said structure, drive top pinch roll to be slided up and down with respect to frame by actuator one, regulation top pinch roll with The distance between bottom pinch roll, so as to which the steel adapted to different-thickness convey.

More preferably：The flattening mechanism includes some lower nip rolls being correspondingly arranged and upper nip rolls, lower flattening Roller is connected with gantry rotation and one end is connected with electric rotating machine, and upper nip rolls is driven by actuator two and glided in relative frame It is dynamic.

Using said structure, drive upper nip rolls to be slided up and down with respect to frame by actuator two, in regulation nip rolls and The distance between lower nip rolls, so as to which the steel adapted to different-thickness carry out flattening conveying.

More preferably：The steel wire roller in top drives relative frame to slide up and down by actuator three, separately The rotation connection not movable with respect to frame of the one steel wire roller.

Using said structure, using said structure, by steel wire roller of the driving of actuator three in top with respect in frame The distance between lower slider, two steel wire rollers of regulation, so as to which the steel adapted to different-thickness scratch.

In summary, the utility model has the advantages that：

1st, multiple rupture is carried out to steel surface iron scale by bending mechanism and scale breading mechanism, enters its steel Chemical reaction more fully can be produced with acid solution in acid dip pickle, steel surface is cleaned out, strengthens the quality of steel；

2nd, the residue of steel surface is collected in importing collecting box by starting dust suction pump, reduces residue and continue into acid Chemical reaction is produced in cleaning device, reaches the effect to economize on resources；

3rd, slided up and down by movable roll with respect to frame, adjust the vertical distance between movable roll and fixing roller, change steel The degree of crook of material, reach more preferable iron scale breaking effect.

Brief description of the drawings

Fig. 1 is the structural representation of embodiment one, shows overall structure；

Fig. 2 is the front view of embodiment one；

Fig. 3 is the partial structural diagram of embodiment one, shows the attachment structure of dust exhaust apparatus；

Fig. 4 is the partial structural diagram of embodiment two, shows the attachment structure between the screw mandrel of both sides.

In figure, 1, frame；2nd, pinch roll mechanism；21st, top pinch roll；22nd, bottom pinch roll；3rd, bending mechanism；31st, it is fixed Roller；32nd, movable roll；4th, scale breading mechanism；41st, steel wire roller；5th, flattening mechanism；51st, upper nip rolls；52nd, lower nip rolls；6th, screw mandrel passes Dynamic device；61st, screw mandrel；62nd, motor；63rd, transmission belt；64th, drive；7th, dust exhaust apparatus；71st, vacuum chamber；72nd, dust suction Pump；73rd, dust sucting pipeline；74th, dust outlet tube road；75th, collecting box；8th, bearing block six；9th, guiding mechanism；91st, upper guide roller；92nd, under Guide roller；10th, actuator one；11st, bearing block one；12nd, actuator two；13rd, bearing block two；14th, actuator three；15th, bearing block Three；16th, actuator four；17th, bearing block four；18th, bearing block five；19th, mounting seat；20th, chute；23rd, actuator five.

Embodiment

The utility model is described in further detail below in conjunction with accompanying drawing.

Embodiment 1：A kind of acid washing rolled steel pretreating device, as illustrated in fig. 1 and 2, including frame 1, set gradually in frame 1 There are pinch roll mechanism 2, bending mechanism 3, scale breading mechanism 4, dust exhaust apparatus 7, flattening mechanism 5, steel are driven by pinch roll mechanism 2 The rupture that scale on surface is carried out in bending mechanism 3, scale breading mechanism 4 is sequentially entered, and then dust exhaust apparatus 7 is by steel surface Residue is collected, and steel surface flattening is facilitated access for into pickling in acid dip pickle by flattening mechanism 5 afterwards.

With reference to Fig. 1 and 2, above-mentioned pinch roll mechanism 2 includes top pinch roll 21 and bottom pinch roll 22, top pinch roll 21 and under Pinch roll 22 is rotatablely connected by bearing block 1 and frame 1 respectively, is fixed with frame 1 for promoting top pinch roll 21 relative The actuator 1 that frame 1 slides up and down, frame 1 are further fixed on rotary electric machine in the width direction on side（Not shown in figure）, Rotary electric machine output shaft is connected driving bottom pinch roll 22 with bottom pinch roll 22 and rotated, so as in the folder with top pinch roll 21 to steel Hold under effect, promote steel to convey forward；Wherein, actuator 1 uses hydraulic cylinder, hydraulic cylinder piston rod and top pinch roll 21 Bearing block 1 connect.

With reference to Fig. 1 and 2, above-mentioned bending mechanism 3 includes some fixing rollers 31 and movable roll 32, fixing roller 31 and movable roll 32 It is rotatablely connected respectively by bearing block 2 13 and mounting seat 19 with respect to frame 1, offers and be only capable of in mounting seat 19 in frame 1 The chute 20 of lower slider, slided up and down by the drive installation seat 19 of a spindle gear 6, so as to drive movable roll 32 with respect to machine Frame 1 slides up and down.

With reference to Fig. 1 and 2, spindle gear 6 includes screw mandrel 61 and motor 62, and screw mandrel 61 passes vertically through mounting seat 19 And coordinate with the screw thread of mounting seat 19, the output shaft of motor 62 is connected with the one end of screw mandrel 61, and the other end of screw mandrel 61 passes through bearing（Figure Not shown in）It is rotatablely connected with frame 1, motor 62 drives screw mandrel 61 to rotate, and drives mounting seat 19 with respect to screw mandrel about 61 Slide, so as to adjust the vertical distance between movable roll 32 and fixing roller 31, it is changed the degree of crook of steel.

With reference to Fig. 1 and 2, above-mentioned scale breading mechanism 4 includes two steel wire rollers 41, and steel wire roller 41 is relative by bearing block 3 15 respectively Frame 1 is rotatablely connected and is located at the both sides up and down of steel respectively, and steel upper and lower surface is scratched.

With reference to Fig. 1 and 2, wherein, the steel wire roller 41 above steel in the relative frame 1 of actuator 3 14 by gliding Dynamic, actuator 3 14 uses hydraulic cylinder, and hydraulic cylinder piston rod is connected with the bearing block 3 15 in top steel wire roller 41.

Reference picture 1 and 3, above-mentioned dust exhaust apparatus 7 include vacuum chamber 71, collecting box 75 and dust suction pump 72, collecting box 75 with Frame 1 is fixed and below the steel, vacuum chamber 71 towards steel one end open and openend it is parallel with steel surface, vacuum chamber 71 both sides are connected by bearing block 68 with frame 1, and the inlet scoop of dust suction pump 72 is connected by dust sucting pipeline 73 and the top of vacuum chamber 71 Logical, air outlet is connected by dust outlet tube road 74 with collecting box 75；When handling steel residue, start dust suction pump 72, pass through Steel upper surface residue is absorbed and be transported to simultaneously by dust outlet tube road 74 in collecting box 75 by vacuum chamber 71 to be carried out at concentration Reason.

Actuator 5 23 is additionally provided with frame 1, by being glided in 5 23 drive shaft bearing of actuator, 68 relative frame 1 It is dynamic, so as to drive vacuum chamber 71 to be slided up and down with respect to frame 1, the distance between vacuum chamber 71 and steel are adjusted, is strengthened to steel The assimilation effect of surface residual debris；Wherein, actuator 5 23 uses hydraulic cylinder, and dust sucting pipeline 73 is arranged to metal hose.

With reference to Fig. 1 and 2, above-mentioned flattening mechanism 5 includes some upper nip rolls 51 being correspondingly arranged and lower nip rolls 52, upper exhibition Plain-barreled roll 51 and lower nip rolls 52 are rotatablely connected by bearing block 4 17 and frame 1 respectively, are fixed with frame 1 for promoting Nip rolls 51 is further fixed on electric rotating machine on two sides in the width direction with respect to the actuator 2 12 that frame 1 slides up and down, frame 1 （Not shown in figure）, electric rotating machine output shaft is connected the lower nip rolls 52 of driving with lower nip rolls 52 and rotates, so as to upper flattening Roller 51 flattens steel surface under the clamping action of steel, promoting steel to convey forward, its steel is facilitated access for acid Pickling is carried out in cleaning device；Wherein, actuator 2 12 uses hydraulic cylinder, the bearing block four of hydraulic cylinder piston rod and upper nip rolls 51 17 connections.

With reference to Fig. 1 and 2, guiding mechanism 9 is additionally provided between above-mentioned scale breading mechanism 4 and bending mechanism 3, guiding mechanism 9 wraps Guide roller 91 and lower steering roll 92 are included, upper guide roller 91 and lower steering roll 92 are rotated by bearing block 5 18 and frame 1 respectively Connect, be fixed with frame 1 for promoting upper guide roller 91 to pass through upper guiding with respect to the actuator 4 16 that frame 1 slides up and down Steel are kept facing directly entering in scale breading mechanism 4 by roller 91 with lower steering roll 92, are easy to scale breading mechanism 4 to scrape steel surface Rub；Wherein, actuator 4 16 uses hydraulic cylinder, and hydraulic cylinder piston rod is connected with the bearing block 5 18 of upper guide roller 91.

The operation principle of embodiment 1：Before carrying out pickling to steel, steel are clamped by pinch roll first and are sent to bending In mechanism 3, steel coiling is entered in scale breading mechanism 4 in fixing roller 31, movable roll 32, and steel wire roller 41 is to steel table Face is scratched, and further expands the crack between iron scale, and then dust suction pump 72 starts, by vacuum chamber 71 by steel Residue is collected, by the way that residue is transported in collecting box 75 through dust outlet tube road 74, and then steel enter in flattening mechanism 5, pass through The driving and pressing of upper nip rolls 51 and lower nip rolls 52, steel surface flattening is transported in acid dip pickle and cleaned.

According to steel different-thickness, actuator 1, actuator 2 12, actuator 3 14,4 16 points of actuator can be passed through Not Qu Dong top pinch roll 21, upper nip rolls 51, steel wire roller 41 and upper guide roller 91 slide up and down with respect to frame 1 above steel, The distance between bottom pinch roll 22, lower nip rolls 52, lower wire roller 41 and lower steering roll 92 are regulated, to adapt to not Stack pile steel are handled.

According to different demands, by spindle gear 6 movable roll 32 can be driven to be slided up and down with respect to frame 1, adjust steel The bending degree of material.

According to demand, by actuator 5 23 vacuum chamber 71 can be driven to slide up and down with respect to frame 1, regulation vacuum chamber 71 with The distance between steel, make its vacuum chamber 71 to the more preferable assimilation effect of steel surface residue.

Embodiment 2：As shown in figs. 1 and 4, the difference with embodiment 1 is, the one end of 32 both sides screw mandrel of movable roll 61 is prolonged Stretch out outside frame 1 and be respectively fixed with drive 64 on the side outside frame 1, pass through transmission belt 63 between two drives 64 Connection, the other end and the motor 62 of one screw mandrel 61 export axis connection, 61 turns of one screw mandrel are driven by motor 62 It is dynamic, under the annexation of transmission belt 63, the synchronous axial system of both sides screw mandrel 61 is driven, drive installation seat 19 slides up and down, so as to band Dynamic movable roll 32 slides up and down with respect to frame 1, adjusts the vertical distance between movable roll 32 and fixing roller 31；Wherein, two screw mandrel 61 hand of spiral is opposite.

This specific embodiment is only that it is not to limitation of the present utility model, ability to explanation of the present utility model Field technique personnel can make the modification of no creative contribution to the present embodiment as needed after this specification is read, but As long as all protected in the scope of protection of the utility model by Patent Law.

Claims (10)

1. a kind of acid washing rolled steel pretreating device, including frame (1), it is characterized in that：The frame (1) along steel feedstock direction according to It is secondary to be provided with the pinch roll mechanism (2) for being used to convey steel entrance, the bending mechanism (3), right for making steel produce flexural deformation Scale breading mechanism (4) that steel surface is loosened, the dust exhaust apparatus (7) being collected to steel surface residue, for flattening steel Material and the flattening mechanism (5) that steel are delivered to acid dip pickle.

2. acid washing rolled steel pretreating device according to claim 1, it is characterized in that：The dust exhaust apparatus (7) includes being located at Be used to above steel collecting the vacuum chamber (71), the dust suction pump (72) in frame (1), both ends of steel surface residue respectively with The dust sucting pipeline (73) and the collecting box (75) below steel connected at the top of vacuum chamber (71) with dust suction pump (72), it is described Dust catcher air outlet is connected by dust outlet tube road (74) with collecting box (75).

3. acid washing rolled steel pretreating device according to claim 2, it is characterized in that：Vacuum chamber (71) both ends pass through drive Moving part five (23) slides up and down with respect to frame (1), and the dust sucting pipeline (73) uses flexible pipe.

4. acid washing rolled steel pretreating device according to claim 1, it is characterized in that：The bending mechanism (3) includes setting Slide up and down in some fixing rollers (31) in frame (1) and relative frame (1) and with fixing roller (31) if shifting to install Dry movable roll (32).

5. acid washing rolled steel pretreating device according to claim 1, it is characterized in that：The scale breading mechanism (4) includes two points The steel wire roller (41) for not being arranged at steel upper/lower terminal and being loosened to steel surface.

6. acid washing rolled steel pretreating device according to claim 4, it is characterized in that：The movable roll (32) is passed by screw mandrel Dynamic device (6) slides up and down with respect to frame (1), and movable roll (32) both ends are rotatably connected to mounting seat (19), and frame opens up on (1) Have and supply mounting seat (19) to be only capable of the chute (20) slided up and down, the spindle gear (6) passes vertically through two respectively including two Side mounting seat (19) and the screw mandrel (61) coordinated with mounting seat (19) screw thread, screw mandrel (61) one end are rotatablely connected with frame (1), separately One end is connected with motor (62).

7. acid washing rolled steel pretreating device according to claim 6, it is characterized in that：One end extension of two screw mandrels (61) Go out frame (1) outside and be respectively equipped with a drive (64) in the one end of frame (1) outside, two drives (64) pass by one Dynamic band (63) connects, and two screw mandrel (61) hand of spirals are opposite.

8. acid washing rolled steel pretreating device according to claim 1, it is characterized in that：Under the pinch roll mechanism (2) includes Pinch roll (22) and top pinch roll (21), bottom pinch roll (22) is rotatablely connected with frame (1) and one end is connected with rotary electric machine, on Pinch roll (21) drives relative frame (1) to slide up and down by actuator one (10).

9. acid washing rolled steel pretreating device according to claim 1, it is characterized in that：The flattening mechanism (5) includes some The lower nip rolls (52) and upper nip rolls (51) being correspondingly arranged, lower nip rolls (52) is rotatablely connected with frame (1) and one end is connected There is electric rotating machine, upper nip rolls (51) drives relative frame (1) to slide up and down by actuator two (12).

10. acid washing rolled steel pretreating device according to claim 5, it is characterized in that：The steel wire roller in top (41) relative frame (1) is driven to slide up and down by actuator three (14), another steel wire roller (41) can not with respect to frame (1) The rotation connection of displacement.