CN202779212U - Active airflow field control type five-rack cold rolling tandem rolling board cleaning device - Google Patents
Active airflow field control type five-rack cold rolling tandem rolling board cleaning device Download PDFInfo
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- CN202779212U CN202779212U CN 201220197033 CN201220197033U CN202779212U CN 202779212 U CN202779212 U CN 202779212U CN 201220197033 CN201220197033 CN 201220197033 CN 201220197033 U CN201220197033 U CN 201220197033U CN 202779212 U CN202779212 U CN 202779212U
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Abstract
The utility model relates to an active airflow field control type five-rack cold rolling tandem rolling board cleaning device. The active airflow field control type five-rack cold rolling tandem rolling board cleaning device is arranged above strip steel on the position of a roll system outlet of the last rack and above strip steel on the position of a roll system outlet of a rack which needs to be isolated from emulsified liquid; the active airflow field control type five-rack cold rolling tandem rolling board cleaning device mainly comprises a strip steel emulsified liquid blowing device, a dynamic sealing device and a negative pressure sucking-off device; in a rolling process, the strip steel emulsified liquid blowing device is used as an airflow generation source to aim at the direction of a roll gap; the strip steel emulsified liquid blowing device sprays compressed air to an inlet side of the rack and enables emulsified liquid cumulating on the position of the roll gap of an inlet to be blocked on an inlet side of the roll system inside the rack; and the negative pressure sucking-off device achieves control of airflow direction in a closed area by means of adjustment of strength of negative pressure and the position of a guide plate, reduces airflow backward spray and turbulent flow, enhances blowing effects, enables the emulsified liquid to be blocked on the inlet side of the roll system inside the rack, and simultaneously can avoid the shortcomings of splashing spray.
Description
Technical field
The utility model belongs to the cold rolling technology field, is specifically related to a kind of cold-rolling production process that promotes the cold-rolled products surface quality, is applied to various five frame cold continuous mill groups.
Background technology
Five frame cold continuous mill groups in process of production owing to need to be lubricated, make the operation of rolling roll to keep cooling and other reasons can use a large amount of emulsions, but emulsion residue need to be avoided in the finished strip surface; Also can in different frames, spray owing to the requirement of rolling mill practice the emulsion of variable concentrations, for guaranteeing the stable of each frame internal emulsification liquid concentration, needing the isolation concentration of emulsion used and stop the emulsion between different frames to flow, namely is to avoid the belt steel surface between these two frames that emulsion residue is arranged.Therefore the way that usually adopts is between the frame that needs isolation emulsion flows and arranges band steel blow device after last frame, adopts large flow compressed air that the finished strip surface is purged.In purge, when compressed air purging pressure was low, the shutoff emulsion caused emulsion residue serious fully; When compressed air purges pressure when excessive, can produce stronger air-flow reflection, because frame outlet space structure is complicated, the reflected gas stream direction is mixed and disorderly, very easily produces because air-flow reflects the emulsion that the causes residual defects that splashes.The method that adopts compressed air to purge removes in the operation of rolling that emulsion residue is very difficult, and the emulsion in each frame is easy to flow in the next frame by belt steel surface, and it is rolling stable to disturb its concentration of emulsion used to destroy; Also can be in the end the too much emulsion of finished strip remained on surface after frame, be difficult to reach the product quality requirement.
For addressing the above problem, also there is the mode that adopts the negative pressure Smoking regime to replace the compressed air purging to process the emulsion remained of belt steel surface.Yet, adopt the mode of negative pressure suction very high to the airtight requirement of suction hood, frame inner space complex apparatus is various and also have the sports equipments such as roll, roller bending block to be difficult for sealing, therefore as solving the airtight of suction hood, then adopt the method for negative pressure suction can not remove the residual emulsion of belt steel surface fully.And because in the operation of rolling, strip width alters a great deal, and also is difficult to avoid with the vibration in the steel running, remove emulsion all for the negative pressure suction method and bring very large difficulty.Therefore, the negative pressure suction method also is difficult to solve rolled band steel surfactant emulsion liquid residue problem.Emulsion residue problem in the cold rolling tandem rolling production process of five frames perplexs modern cold rolling production all the time.
The utility model content
The technical problems to be solved in the utility model is: for purging or aspirate the technical barrier that all can't thoroughly solve emulsion residue in the cold rolling continuous rolling process of five frames, the cold rolling tandem rolling plate of a kind of active flow field control formula five frames face cleaning device is provided, can be with the emulsion shutoff in the finite region of frame, and can avoid owing to defectives such as emulsion that the air-flow reflection causes splashes, residual, drippages.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is:
The cold rolling tandem rolling plate of active flow field control formula five frames face cleaning device is characterized in that: the described plate face cleaning device of configuration above the roller of the frame of needs isolation emulsion and last frame is exit band steel; Described plate face cleaning device mainly comprises coolant emulsion liquid blowing remover, negative suction system and roll dynamic seal (packing) plate; Coolant emulsion liquid blowing remover jet-impingement direction is over against the roll gap direction; Roll dynamic seal (packing) plate be installed on the negative pressure cavity of negative suction system and with the sealing of top working roll dynamic Contact, negative pressure cavity and roll dynamic seal (packing) plate all can advance along with the variation in roller footpath or retreat; Negative pressure cavity is the adjustable air flow passage that has internal cavities and can form the negative pressure cavity steering current, and a port of passage is aimed at roll gap direction and parallel with band steel upper surface, and the other end and negative pressure line interface connect and finally leads to negative pressure generating device; Negative suction system and roll dynamic seal (packing) plate, with the gas collection space that forms all the time a base closed between steel, the top working roll.
By technique scheme, negative suction system mainly comprises the negative pressure cavity in its main body, lateral adjustments plate and the telescopic flow guiding plate of both sides; The telescopic flow guiding plate that can change negative pressure cavity gas channel extended position is set on the bottom surface, exit of negative pressure cavity, and the telescopic flow guiding plate can stretch out with respect to the negative pressure cavity slip on the bottom surface; The both sides, exit of negative pressure cavity arrange respectively the lateral adjustments plate, and the lateral adjustments plate is equipped with drive unit and can separates or close up along the strip width direction under the effect of this device; Negative suction system forms sealing by dynamic seal (packing) plate and top working roll; The external part of telescopic flow guiding plate and the relative position of coolant emulsion liquid blowing remover is constant and do not affect the direction that purges air-flow; Negative suction system, roll dynamic sealing, with the gas collection space that forms all the time a base closed between steel, the working roll, this gas collection space and sweep gas flow field are complementary and form smooth gas channel.
By technique scheme, be provided with the hydraulic cylinder consistent with the incline direction of negative pressure cavity on the negative suction system, roll dynamic sealing, lateral adjustments plate, telescopic flow guiding plate are installed on the negative pressure cavity, and can advance along with the variation in roller footpath under the effect of hydraulic cylinder or retreat; Negative suction system is connected with negative pressure line by the negative pressure cavity interface, and the negative pressure cavity interface is plane parallel with the negative suction system direction of motion and that can dock with negative pressure line when negative suction system reaches the operating position; Negative pressure line one end connects negative suction system, and the other end connects negative pressure generating device, and negative pressure adjusting device is housed.
By technique scheme, the metal slice head is equipped with in the position that negative pressure cavity upper plate and top working roll approach, and the shovel head can be controlled by hydraulic cylinder extension with the spacing of working roll; Negative suction system is positioned at the band steel top near working roll, is arranged in the frame in the five frame cold continuous mill groups.
By technique scheme, band steel coolant emulsion liquid blowing remover mainly is comprised of purging beam, nozzle, control valve, pipeline, many pipelines are arranged on the purging beam with the form of branch, be provided with the control valve of adjustable nozzles flow and pressure on each pipeline, nozzle is disposed in groups in alignmently and purges on the beam, and the injector spacing in same group is less than on the same group nozzle sets spacing not; Nozzle setting and unlatching quantity are according to the width setting with steel.
By technique scheme, roll dynamic seal (packing) plate is rubber blanket.
By technique scheme, lateral adjustments plate drive unit is connected with two lateral adjustments plates by feed screw nut's formula transmission device; Mounting nuts on the lateral adjustments plate.
The course of work of this device is: be tied to the cold rolling tandem rolling plate of the active flow field control formula five frames face cleaning device place that reaches the exit by roller with steel; Five frame cold rolling continuous milling trains carry out the emulsion injection by being arranged in its inside emulsified liquid injection gear everywhere, the mode that is complementary with air-flow generating source and the negative suction system of steel coolant emulsion liquid blowing remover is controlled the airflow field of each frame exit region, make airflow field flow smooth and easy and increase its action effect, entrance side with emulsion shutoff roller system in this frame, simultaneously, because the application of roll dynamic sealing and gas collector, utilize regional gas stream to move towards control, avoid splashing owing to purging the mixed and disorderly emulsion that causes of air-flow reflection direction, and then promote the surface quality of finished strip.
This device is the airflow field principle of utilizing with steel coolant emulsion liquid blowing remover and gas collector formation, be integrated as the purging air-flow with negative suction system and make loop, can also utilize the telescopic flow guiding plate to guide compressed-air actuated flow direction in this process, eliminate the frame exit owing to purge the compressed air turbulent flow phenomenon that causes, avoid emulsion residue on the surface with steel, and then promote the surface quality of finished strip; The control valve that arranges on the negative suction system can be used with the control valve with the steel coolant emulsion liquid blowing remover, regulate in real time the pressure of aspiration circuit with the surface quality of steel according to outlet, and the tolerance of blow device, can reduce compressed-air actuated consumption like this, reduce production costs, also can reduce noise simultaneously.
With respect to prior art, this device has stronger versatility, the stripper of arrangement form in the general five frame cold rolling continuous milling trains, and comprise the function that stripper has, can be widely used in all kinds of five frame cold continuous mill groups.
Description of drawings
Fig. 1: the cold rolling tandem rolling plate of the active flow field control formula five frames face cleaning device structural representation that the utility model adopts;
Fig. 2: coolant emulsion liquid blowing remover structural representation;
Fig. 3: negative suction system structural representation (front view);
Fig. 4: negative suction system Local map.
Description of reference numerals among each figure: 1. frame; 2. roller is; 3. emulsified liquid injection gear; 4. band steel; 5. negative pressure adjusting device; 6. negative-pressure pipeline; 7. negative suction system; 8. coolant emulsion liquid blowing remover; 9. roller bending block; 10. roll chock; 2-1. top working roll; 7-1. negative pressure cavity interface; 7-2. hydraulic cylinder; 7-3. track; 7-4. lateral adjustments plate; 7-5. drive unit; 7-6. leading screw; 7-7. dynamic seal (packing) plate; 7-8. telescopic flow guiding plate; 7-9. shovel head; 8-1. compressed-air atomizer; 8-2. air spray beam body; 8-3. pressure-regulating device; 8-4. compressed air line.
The specific embodiment:
The utility model is described in further detail below in conjunction with embodiment and accompanying drawing 1-4, but do not limit the utility model.
Referring to Fig. 1-4: press the cold rolling tandem rolling plate of the active flow field control formula five frames face cleaning device that the utility model is implemented, the cold rolling tandem rolling plate of configuration active flow field control formula five frames face cleaning device above the roller of the frame of needs isolation emulsion and last frame is exit band steel; Plate face cleaning device mainly comprises coolant emulsion liquid blowing remover 8, negative pressure adjusting device 5, negative-pressure pipeline 6, negative suction system 7.In the five frame cold rolling continuous milling train courses of work, coolant emulsion liquid blowing remover 8 sprays compressed air to the frame Way in, and the emulsion shutoff that entrance roll gap place is piled up is at the entrance side of frame; Negative suction system 7 connects negative pressure generating device by negative-pressure pipeline 6 and produces negative pressure, and by negative pressure adjusting device 5 adjusting negative pressure intensity, to realize that air-flow moves towards control in the gas collection space, strengthened the active force of coolant emulsion liquid blowing remover 8, with the entrance side of the effective shutoff of emulsion in frame, and avoid simultaneously splashing or residual defects owing to purging the mixed and disorderly emulsion that causes of air-flow reflection direction.
The blow device structural representation as shown in Figure 2.The coolant emulsion liquid blowing remover 8 that is positioned at frame outlet with over against the roll gap direction, sprays compressed air to the frame entrance side as the air-flow generating source, and the emulsion shutoff that entrance roll gap place is piled up is at the entrance side of frame; Form air cushion at belt steel surface simultaneously, avoid rolling impurity to drop on the finished strip surface.This device mainly is comprised of compressed-air atomizer 8-1, air spray beam body 8-2, pressure-regulating device 8-3, compressed air line 8-4, many compressed air line 8-4 are vertically set on air spray beam body 8-2 with the form of branch, be provided with pressure-regulating device 8-3 on each compressed air line 8-4, compressed-air atomizer 8-1 is disposed in alignmently on the air spray beam body 8-2 in groups, and the injector spacing in same group is less than on the same group injector spacing not.The quantity that compressed-air atomizer 8-1 opens can be selected arbitrarily according to the width with steel, the flow of each compressed-air atomizer 8-1 and pressure also can be regulated by pressure-regulating device 8-3, have not only satisfied the demand of shutoff emulsion but also can be complementary with negative suction system 7 when the flow of accomplishing all the time speed, product specification, emulsion when unit changes to go out the stable airflow field of interruption-forming airflow direction in frame.
The roll dynamic seal (packing) plate 7-7 of heat resistant and wear resistant and top working roll 2-1 dynamic Contact form sealing.Roll dynamic seal (packing) plate 7-7 adopts elastomeric material, to avoid losing working roll.Dynamic seal (packing) plate 7-7 with steel 4, negative suction system 7 top working roll 2-1 form the gas collection space of relative closure, be beneficial to the generation of airflow field, also can prevent this enclosure space that enters of top emulsion.
The installation site of negative suction system 7 is positioned at the position of common five frame cold rolling continuous milling train strippers, it need also can play the effect that prevents the broken belt curling round the roll, but it has again negative pressure function, not can as stripper hinder Air Flow, reduce and purge effect.A shovel 7-9 is housed in the position that negative suction system 7 contacts with roll, can makes it along the gap that track 7-3 moves to control a shovel 7-9 and top working roll 2-1 by the flexible of hydraulic cylinder 7-2, reach the effect that prevents the broken belt curling round the roll.The position of negative suction system 7 is also similar to general stripper; be positioned at the band steel top near working roll; the emulsion droplet that can prevent top is fallen belt steel surface; can replace the stripper in the common frame, be installed on neatly in the frame in the five frame cold continuous mill groups according to arts demand.
Negative suction system 7 primary structures are negative pressure cavities that rectangular duct forms, and a port of negative suction system 7 is aimed at roll gap direction and parallel with band steel upper surface, and dock with negative-pressure pipeline 6 another port, and negative-pressure pipeline 6 connects negative pressure generating device.The head of negative suction system 7 and roll dynamic seal (packing) plate 7-7, with the gas collection space that forms all the time a basic sealing between steel 4, the top working roll 2-1; The position that approaches with steel at negative suction system 7 is equipped with lateral adjustments plate 7-4, drive unit 7-5 can namely laterally move in the belt steel direction of motion adjustable plate 7-4 by the rotation that drives leading screw 7-6, the band steel that can adapt to like this different in width makes airflow field can keep best always.
After negative suction system 7 advances or retreats, but the length that manual adjustments telescopic flow guiding plate 7-8 stretches out remains it and coolant emulsion liquid blowing remover 8 between relative position constant and do not affect the state that purges the beam airflow field, keep purging system to have stable airflow field.This gas collection space can also be regulated negative suction system 7 interior negative pressure intensity and utilize telescopic flow guiding plate 7-8 to adjust airflow direction by the negative pressure adjusting device 5 on the negative-pressure pipeline 6, realize that the closed area air-flow moves towards control, avoid the emulsion residue defective that causes in a jumble owing to reflected gas stream, thereby reach the purpose of cleaning belt steel surface.
The flow process of this device is as shown in Figure 1: be 2 to arrive the cold rolling tandem rolling plate of the active flow fields control formula five frames face cleaning device place in exits by roller successively with steel 4; Emulsified liquid injection gear 3 in entrance or exit setting carries out the emulsion injection, air-flow generating source and negative suction system 7 purging that is complementary and the airflow direction that aspirates combination control frame exit region with steel coolant emulsion liquid blowing remover 8, in the exit with the entrance side of emulsion shutoff in frame, simultaneously, because the application of negative suction system 7 and roll dynamic sealing 7-7, avoid splashing owing to purging the mixed and disorderly emulsion that causes of air-flow reflection direction, and then promote the surface quality of finished strip.This device mainly is to utilize the airflow field flow principles, coolant emulsion liquid blowing remover 8 is integrated as with negative suction system 7 and purges air-flow manufacturing loop, can also utilize telescopic flow guiding plate 7-8 to guide compressed-air actuated direction, eliminate the frame exit owing to purge the compressed air turbulent flow phenomenon that forms, avoid emulsion residue on the surface with steel, and then promote the surface quality of finished strip.Be provided with negative pressure adjusting device 5 on the negative-pressure pipeline 6, this adjusting device can be used with the pressure-regulating device 8-3 of coolant emulsion liquid blowing remover, regulate in real time the pressure of aspiration circuit with the surface quality of steel according to outlet, and the tolerance of blow device, can reduce compressed-air actuated consumption like this, reduce production costs, also can reduce noise simultaneously.
Above disclosed only is preferred embodiment of the present utility model, certainly can not limit with this interest field of the utility model, and the equivalence of therefore doing according to the utility model claim changes, and still belongs to protection domain of the present utility model.
Claims (7)
1. the cold rolling tandem rolling plate of active flow field control formula five frames face cleaning device is characterized in that: the described plate face cleaning device of configuration above the roller of the frame of needs isolation emulsion and last frame is exit band steel; Described plate face cleaning device mainly comprises coolant emulsion liquid blowing remover, negative suction system and roll dynamic seal (packing) plate; Coolant emulsion liquid blowing remover jet-impingement direction is over against the roll gap direction; Roll dynamic seal (packing) plate be installed on the negative pressure cavity of negative suction system and with the sealing of top working roll dynamic Contact, negative pressure cavity and roll dynamic seal (packing) plate all can advance along with the variation in roller footpath or retreat; Negative pressure cavity is the adjustable air flow passage that has internal cavities and can form the negative pressure cavity steering current, and a port of passage is aimed at roll gap direction and parallel with band steel upper surface, and the other end and negative pressure line interface connect and finally leads to negative pressure generating device; Negative suction system and roll dynamic seal (packing) plate, with the gas collection space that forms all the time a sealing between steel, the top working roll.
2. plate face cleaning device according to claim 1 is characterized in that: negative suction system mainly comprises the negative pressure cavity in its main body, lateral adjustments plate and the telescopic flow guiding plate of both sides; The telescopic flow guiding plate that can change negative pressure cavity gas channel extended position is set on the bottom surface, exit of negative pressure cavity, and the telescopic flow guiding plate can stretch out with respect to the negative pressure cavity slip on the bottom surface; The both sides, exit of negative pressure cavity arrange respectively the lateral adjustments plate, and the lateral adjustments plate is equipped with drive unit and can separates or close up along the strip width direction under the effect of this device; Negative suction system forms sealing by dynamic seal (packing) plate and top working roll; The external part of telescopic flow guiding plate and the relative position of coolant emulsion liquid blowing remover is constant and do not affect the direction that purges air-flow; Negative suction system, roll dynamic sealing, with the gas collection space that forms all the time a sealing between steel, the working roll, this gas collection space and sweep gas flow field are complementary and form smooth gas channel.
3. plate face cleaning device according to claim 1 and 2, it is characterized in that: be provided with the hydraulic cylinder consistent with the incline direction of negative pressure cavity on the negative suction system, roll dynamic sealing, lateral adjustments plate, telescopic flow guiding plate are installed on the negative pressure cavity, and can advance along with the variation in roller footpath under the effect of hydraulic cylinder or retreat; Negative suction system is connected with negative pressure line by the negative pressure cavity interface, and the negative pressure cavity interface is plane parallel with the negative suction system direction of motion and that can dock with negative pressure line when negative suction system reaches the operating position; Negative pressure line one end connects negative suction system, and the other end connects negative pressure generating device, and negative pressure adjusting device is housed.
4. plate face cleaning device according to claim 1 and 2 is characterized in that: the metal slice head is equipped with in the position that negative pressure cavity upper plate and top working roll approach, and the shovel head can be controlled by hydraulic cylinder extension with the spacing of working roll; Negative suction system is positioned at the band steel top near working roll, is arranged in the frame in the five frame cold continuous mill groups.
5. plate face cleaning device according to claim 3, it is characterized in that: band steel coolant emulsion liquid blowing remover mainly is comprised of purging beam, nozzle, control valve, pipeline, many pipelines are arranged on the purging beam with the form of branch, be provided with the control valve of adjustable nozzles flow and pressure on each pipeline, nozzle is disposed in groups in alignmently and purges on the beam, and the injector spacing in same group is less than on the same group nozzle sets spacing not.
6. plate face cleaning device according to claim 4, it is characterized in that: roll dynamic seal (packing) plate is rubber blanket.
7. plate face cleaning device according to claim 6 is characterized in that: lateral adjustments plate drive unit is connected with two lateral adjustments plates by feed screw nut's formula transmission device; Mounting nuts on the lateral adjustments plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220197033 CN202779212U (en) | 2012-05-04 | 2012-05-04 | Active airflow field control type five-rack cold rolling tandem rolling board cleaning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220197033 CN202779212U (en) | 2012-05-04 | 2012-05-04 | Active airflow field control type five-rack cold rolling tandem rolling board cleaning device |
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| CN202779212U true CN202779212U (en) | 2013-03-13 |
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| CN 201220197033 Expired - Fee Related CN202779212U (en) | 2012-05-04 | 2012-05-04 | Active airflow field control type five-rack cold rolling tandem rolling board cleaning device |
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| CN (1) | CN202779212U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102671967A (en) * | 2012-05-04 | 2012-09-19 | 中冶南方工程技术有限公司 | Active air flow field control type five-rack cold rolling tandem rolling panel cleaning device |
| CN104209326A (en) * | 2014-09-10 | 2014-12-17 | 中冶南方工程技术有限公司 | Emulsion partitioning device used in leveling and cold rolling unit |
| CN105689418A (en) * | 2016-03-21 | 2016-06-22 | 安徽永杰铜业有限公司 | Copper strip rolling mill device with strip water control function |
| CN106763215A (en) * | 2017-01-03 | 2017-05-31 | 李华 | Cold-rolled steel sheet line bearing roll bearing seat waterproof method |
| CN109396199A (en) * | 2017-08-17 | 2019-03-01 | Posco公司 | Oxide skin discharger |
-
2012
- 2012-05-04 CN CN 201220197033 patent/CN202779212U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102671967A (en) * | 2012-05-04 | 2012-09-19 | 中冶南方工程技术有限公司 | Active air flow field control type five-rack cold rolling tandem rolling panel cleaning device |
| CN104209326A (en) * | 2014-09-10 | 2014-12-17 | 中冶南方工程技术有限公司 | Emulsion partitioning device used in leveling and cold rolling unit |
| CN104209326B (en) * | 2014-09-10 | 2016-09-21 | 中冶南方工程技术有限公司 | Emulsion partition apparatus in smooth double cold mill complex |
| CN105689418A (en) * | 2016-03-21 | 2016-06-22 | 安徽永杰铜业有限公司 | Copper strip rolling mill device with strip water control function |
| CN106763215A (en) * | 2017-01-03 | 2017-05-31 | 李华 | Cold-rolled steel sheet line bearing roll bearing seat waterproof method |
| CN109396199A (en) * | 2017-08-17 | 2019-03-01 | Posco公司 | Oxide skin discharger |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130313 Termination date: 20160504 |