CN217700691U

CN217700691U - Air purging device on outlet side of rolling mill

Info

Publication number: CN217700691U
Application number: CN202221668689.1U
Authority: CN
Inventors: 张永旺; 陈海静; 惠月波
Original assignee: North China Heavy Machinery Design Co ltd
Current assignee: North China Heavy Machinery Design Co ltd
Priority date: 2022-06-29
Filing date: 2022-06-29
Publication date: 2022-11-01
Anticipated expiration: 2032-06-29

Abstract

The utility model discloses a rolling mill outlet side air sweeps device, include: the oil receiving plate is obliquely arranged in a way that the front part of the oil receiving plate is low and the back part of the oil receiving plate is high, and the two sides of the oil receiving plate are connected into the sliding groove of the sliding channel seat in a guiding and sliding way through the sliding seat; the lower end of the oil receiving plate is provided with a lower step oil receiving plate folded downwards, and the bottom end of the lower step oil receiving plate is provided with an upper air injection assembly facing a roll gap between the working roll and the supporting roll; the middle part of the acting cylinder I is connected to a cylinder support through a middle pin shaft, the cylinder support is arranged below the middle part of the cross beam, and two ends of the cross beam are fixedly connected to the rack through flange plates; the lower end of the lower step oil receiving plate is hinged with a swing oil receiving plate, a lower air injection assembly facing the upper surface of the rolled metal plate is arranged at the bottom of the swing oil receiving plate, an acting cylinder II is arranged at the back of the swing oil receiving plate, and a scraper is installed at the front end of the swing oil receiving plate. The utility model discloses an air sweeps blockade roll gap and reduces to the backing roll mass of getting rid of, and the cooperation has the scraper blade to clear up rolling oil on the working roll simultaneously.

Description

Air purging device on outlet side of rolling mill

Technical Field

The utility model relates to a metal strip rolling production technical field especially relates to a rolling mill outlet side air sweeps device.

Background

In the rolling process of strips such as aluminum strips, aluminum foils and the like, aluminum or aluminum alloy blanks are processed into the aluminum strips or the aluminum foils through working rolls, and rolling oil is required to be sprayed onto the working rolls in the rolling process for cooling and lubricating. If the surface of the rolled aluminum strip is provided with rolling oil, the appearance quality is affected, and the rolling oil is wasted. The outlet side of the existing rolling mill is also provided with some simple oil receiving plates and a blowing device, so that the splashing of rolling oil cannot be well eliminated, and the effect is not ideal.

Therefore, there is a need to develop a rolling mill outlet side air purge device to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a rolling mill outlet side air sweeps device adopts the air to sweep the blockade roll gap and reduces and get rid of the oil mass to the backing roll, and the cooperation has the scraper blade to clear up rolling oil on the working roll simultaneously and prevents that it upwards outwards throws away, seals oily effectual.

In order to solve the technical problem, the utility model adopts the following technical scheme:

the utility model relates to a rolling mill outlet side air sweeps device sets up the rear that just is located top working roll and backing roll in the rolling mill frame, include:

the oil receiving plate is obliquely arranged in a way that the front part is low and the back part is high, two sides of the oil receiving plate are connected into sliding grooves of sliding channel seats in a guiding and sliding way through sliding seats, and the two sliding channel seats are symmetrically arranged on the inner walls of vertical plates at the driving side and the operating side of the rack 18; the lower end of the oil receiving plate is provided with a lower step oil receiving plate folded downwards, the bottom end of the lower step oil receiving plate is provided with an upper air injection assembly facing a roll gap between the working roll and the supporting roll, and a first pin shaft seat is arranged at the middle position on the lower step oil receiving plate;

the first pin shaft seat is connected with the end of a piston rod of the first acting cylinder through a pin shaft, the middle part of the first acting cylinder is connected onto a cylinder support through a middle pin shaft, the cylinder support is arranged below the middle part of the cross beam, and two ends of the cross beam are fixedly connected onto the rack 18 through flange plates;

the lower end of the lower step oil receiving plate is hinged with a swing oil receiving plate, the bottom of the swing oil receiving plate is provided with a lower air injection assembly facing the upper surface of the rolled metal plate, the back of the swing oil receiving plate is connected with the end of a piston rod of an action cylinder II through a pin shaft seat II, and the bottom of the action cylinder II is connected to a support at the bottom of the lower step oil receiving plate through a pin shaft; and a scraper capable of contacting the outer surface of the working roll is installed at the front end of the swinging oil receiving plate.

Furthermore, the both sides that connect the oiled-plate all superpose and install the reinforcing sideboard, the inner of reinforcing sideboard is provided with upright baffle, the sliding seat is installed on the reinforcing sideboard.

Furthermore, the bottom surface of the sliding seat is installed on the reinforcing side plate through bolts, idler wheels are arranged on the outer vertical surface of the sliding seat, the idler wheels roll in the C-shaped open grooves of the sliding seat, and the oil receiving plate slides in an integral guiding manner.

Furthermore, an adjusting push plate is arranged on the bottom surface of the sliding seat, and the adjusting push plate extends out of the via hole at the edge of the reinforcing side plate and the oil receiving plate; the bottom surface of the edge of the oil receiving plate is provided with a supporting plate and an adjusting bolt in threaded connection with the supporting plate, and the adjusting bolt abuts against the adjusting push plate.

The positioning block is characterized by further comprising a positioning block, a guide plate is fixedly connected with a connecting block bolt at the top of the positioning block, the guide plate is matched with and guides the oil receiving plate side folded edge, positioning pin shaft holes are formed in the oil receiving plate side folded edge and the guide plate, and positioning pins penetrating through the positioning pin shaft holes are placed on the positioning block.

Furthermore, go up jet-propelled subassembly and include jet-propelled pipe and supporting seat, the jet-propelled pipe passes through both ends the supporting seat support is established on the lower step connects the oiled-plate, a plurality of nozzles of regularly arranging are installed in jet-propelled pipe the place ahead intercommunication one, still be provided with the admission line joint of intercommunication air supply on the jet-propelled pipe.

Furthermore, the number of the air inlet pipe joints is a plurality of, and the air inlet pipe joints are arranged along the axis of the air injection pipe, and inner plugging heads for isolation are arranged between the adjacent air inlet pipe joints.

The oil injection pipe further comprises a pull rod, one end of the pull rod is in threaded connection with the threaded hole in the end part of the air injection pipe, the other end of the pull rod is provided with a rod cap and penetrates through a pin shaft at the front end of a pin shaft support, and the bottom of the pin shaft support is fixedly connected to the rear end vertical wall of the lower step oil receiving plate.

Furthermore, the two ends of the air injection pipe are also provided with air suction pipes, the pipe orifices of the air suction pipes face to the roll gaps between the working rolls and the supporting rolls, and the air suction pipes are communicated to the negative pressure extraction device.

Furthermore, a flexible connecting plate is connected between the lower step oil receiving plate and the swinging oil receiving plate.

Compared with the prior art, the utility model discloses a beneficial technological effect:

the utility model discloses rolling mill outlet side air sweeps device connects two slide ways seat direction slides that the oiled-plate set up along the slope through an effect jar drive, can adapt to the change adjustment of working roll specification and connect the position of oiled-plate, guarantees the best position that connects oil. Through the setting of lower step oil receiving plate, can form great installation space at the front end, be convenient for install jet-propelled subassembly and round pin axle seat one. Through connect the articulated swing of oiled plate lower extreme to connect the oiled plate and be equipped with and act on jar two at the lower step, can adjust the swing and connect oiled plate swing angle, guarantee that scraper blade contact work roll surface will roll the oil and scratch off, avoid appearing upwards getting rid of the big condition of oil volume. The air blowing device at the outlet side of the rolling mill adopts air blowing to seal the roll gap and reduce the oil throwing amount to the supporting roll, meanwhile, the scraper is matched to clean the rolling oil on the working roller to prevent the rolling oil from being thrown upwards and outwards, and the oil sealing effect is good.

In addition, the oil plates can be supported in an auxiliary mode through the arrangement of the reinforcing side plates, so that the strength is increased, and meanwhile, the arrangement of the vertical side plates can prevent received rolling oil from flowing to two sides; the arrangement of the roller and the rail open slot reduces the guide sliding resistance; through the setting of adjusting bolt and adjustment push pedal, can adjust the distance between the both sides sliding seat, better match two distance between the open slot. Through the first nozzles regularly distributed on the gas injection pipe, a sector air seal shield can be formed at the roll gap between the working roll and the supporting roll, and the upward throwing amount of rolling oil is reduced; through setting up a plurality ofly at the interval in the jet-propelled pipe interior shutoff head can form independent air supply chamber, every the air supply chamber is provided with the clean compressed air supply of admission pipe joint intercommunication, can guarantee the pressure of giving vent to anger of nozzle one, avoids appearing the not enough condition of air seal shielding strength. Through the setting of pull rod, can lock the circumference degree of freedom of jet-propelled pipe, avoid appearing the rotation condition in the working process. The suction pipes are arranged at the two ends of the air injection pipe, so that oil mist overflowing from the two sides can be extracted, and the loss situation is avoided. By the arrangement of the flexible connecting plate, rolling oil is prevented from flowing backwards and outwards from a gap between the lower step oil receiving plate and the swinging oil receiving plate; through the setting of angle steel that dams, be convenient for to both sides the oil-out is derived rolling oil. Through the arrangement of the second nozzle, the upper surface of the conveyed rolled metal plate can be purged for oil removal.

Drawings

The present invention will be further explained with reference to the following description of the drawings.

Fig. 1 is a schematic structural view of the outlet side air purging device of the rolling mill of the present invention;

FIG. 2 isbase:Sub>A schematic sectional view of the portion A-A in FIG. 1;

FIG. 3 is a schematic view of a portion I in FIG. 2;

FIG. 4 is a view taken along direction K in FIG. 1;

FIG. 5 is a schematic cross-sectional view of the portion B-B in FIG. 4;

FIG. 6 is a view from the direction N of FIG. 1;

fig. 7 is a view from direction S of fig. 1.

Description of reference numerals: 1. an oil receiving plate; 101. a reinforcing sideboard; 102. the lower step oil receiving plate; 103. a first pin shaft seat; 104. intercepting angle steel I; 105. a pin shaft support; 2. a sliding seat; 201. a roller; 202. adjusting the push plate; 3. a slideway seat; 4. an acting cylinder I; 401. a middle pin shaft; 5. a cross beam; 501. a cylinder support; 502. A flange plate; 6. positioning blocks; 601. positioning pins; 602. connecting blocks; 7. a gas ejector tube; 701. a first nozzle; 702. an air inlet pipe joint; 8. an air suction pipe; 9. a pull rod; 901. a flat table; 10. swinging the oil receiving plate; 1001. a second pin shaft seat; 1002. a third pin shaft seat; 1003. a second intercepting angle steel; 11. a nozzle holder; 1101. an air inlet; 1102. a second nozzle; 12. a squeegee; 13. a second acting cylinder; 14. adjusting the bolt; 15. a flexible connection plate; 16. a work roll; 17. a support roller; 18. a frame; 19. and rolling the metal plate.

Detailed Description

The core of the utility model is to provide a rolling mill outlet side air sweeps device, adopts the air to sweep the blockade roll gap and reduces and get rid of the oil mass to the backing roll, and the cooperation has the scraper blade to roll oil on the working roll to clear up simultaneously and prevents that it upwards outwards throws away, seals oily effectual.

In the following, the technical solutions in the embodiments of the present invention will be clearly and completely described with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to the drawings, fig. 1 is a schematic structural view of the outlet side air purging device of the rolling mill of the present invention;

FIG. 2 isbase:Sub>A schematic sectional view of the portion A-A in FIG. 1; FIG. 3 is a schematic view of a portion I in FIG. 2; FIG. 4 is a view taken along direction K in FIG. 1; FIG. 5 is a schematic cross-sectional view of the portion B-B in FIG. 4; FIG. 6 is a view from the N direction in FIG. 1; fig. 7 is a view from direction S of fig. 1.

In one embodiment, as shown in fig. 1-7, a mill outlet side air purge device, disposed on a mill stand 18 rearward of an upper work roll 16 and a back-up roll 17, comprises:

the oil receiving plate 1 is arranged in a manner that the front part of the oil receiving plate 1 is low and the rear part of the oil receiving plate 1 is high, namely the inclined direction faces the working roll 16. The two sides of the oil receiving plate 1 are connected to the sliding grooves of the sliding channel seats 3 in a guiding and sliding mode through the sliding seats 2, the two sliding channel seats 3 are symmetrically arranged on the inner walls of the vertical plates on the driving side and the operating side of the rack 18, and the sliding grooves of the sliding channel seats 3 are arranged in a mode that the front part is low and the rear part is high in inclination. The lower end of the oil receiving plate 1 is provided with a lower step oil receiving plate 102 folded downwards, the bottom end of the lower step oil receiving plate 102 is provided with an upper air injection assembly facing a roll gap between the working roll 16 and the supporting roll 17, and a first pin shaft seat 103 is arranged at the middle position on the lower step oil receiving plate 102.

The first pin shaft seat 103 is connected with the end of a piston rod of the first action cylinder 4 through a pin shaft, the middle part of the first action cylinder 4 is connected to a cylinder support 501 through a middle pin shaft 401, the cylinder support 501 is arranged below the middle part of the cross beam 5, and two ends of the cross beam 5 are fixedly connected to the rack 18 through flange plates 502.

The lower end of the lower step oil receiving plate 102 is hinged with a second pin shaft seat 1002 of the swinging oil receiving plate 10, a lower air injection assembly facing the upper surface of the rolled metal plate 19 is arranged at the bottom of the swinging oil receiving plate 10, the back of the swinging oil receiving plate 10 is connected with the end of a piston rod of a second action cylinder 13 through a second pin shaft seat 1001, and a pin shaft at the bottom of the second action cylinder 13 is connected to a support at the bottom of the lower step oil receiving plate 102. The front end of the swing oil receiving plate 10 is provided with a scraper 12 capable of contacting the outer surface of a working roll 16. Scraper 12 cleans and removes rolling oil from the surface of work roll 16.

Specifically, the first operating cylinder 4 is a hydraulic cylinder, and the second operating cylinder 13 is an air cylinder.

The oil receiving plate 1 is driven by the first acting cylinder 4 to slide along the two obliquely arranged slide way seats 3 in a guiding manner, so that the position of the oil receiving plate 1 can be adjusted to adapt to the specification change of the working roll, and the optimal oil receiving position is ensured. Through the arrangement of the lower step oil receiving plate 102, a larger installation space can be formed at the front end, and the air injection assembly and the first pin shaft seat 103 are convenient to install. Through connect the articulated swing of oiled plate 10 and be equipped with and act on jar two 13 at lower step oiled plate 102 lower extreme, can adjust the swing and connect the oiled plate 10 swing angle, guarantee that scraper blade 12 contacts 16 surfaces of working roll and rubs rolling oil, avoid appearing upwards getting rid of the big condition of oil quantity. The utility model discloses rolling mill outlet side air sweeps device, adopts the air to sweep blockade roll gap and reduces to the backing roll mass of getting rid of, and the cooperation has the scraper blade to clear up rolling oil on the working roll simultaneously and prevents that it upwards outwards throws away, seals oily effectual.

In a specific embodiment, as shown in fig. 2 and 3, a reinforcing side plate 101 is stacked and mounted on both sides of the oil receiving plate 1, an upright baffle is disposed at an inner end of the reinforcing side plate 101, and the sliding seat 2 is mounted on the reinforcing side plate 101.

Specifically, as shown in fig. 2 and 3, the bottom surface of the sliding seat 2 is bolted to the reinforcing side plate 101, the roller 201 is bolted to the outer vertical surface of the sliding seat 2 via a mandrel, the roller 201 rolls in the C-shaped opening groove of the chute seat 3, and the oil receiving plate 1 is guided to slide as a whole.

Specifically, as shown in fig. 2 and 3, an adjusting push plate 202 is disposed on the bottom surface of the sliding seat 2, and the adjusting push plate 202 protrudes through the through hole at the edge of the reinforcing side plate 101 and the oil receiving plate 1. The bottom surface of the edge of the oil receiving plate 1 is provided with a supporting plate. The support plate is in threaded connection with an adjusting bolt 14, and the adjusting bolt 14 abuts against the adjusting push plate 202.

The oil plate 1 can be supported in an auxiliary manner by arranging the reinforcing side plate 101, so that the strength is increased, and meanwhile, the received rolling oil can be prevented from flowing to two sides by arranging the vertical side plates; the arrangement of the roller and the rail open slot reduces the guide sliding resistance; through the setting of adjusting bolt 14 and adjustment push pedal 202, can adjust the distance between the both sides sliding seat 2, better match two the distance between the open slot.

In a specific embodiment, as shown in fig. 1-3, the utility model discloses rolling mill outlet side air sweeps device still includes locating

piece

6, 6 top connecting blocks of locating piece 602 bolt fixedly connected with deflector, the deflector cooperation direction connects 1 side hem of oiled plate, connect 1 side hem of oiled plate with the locating pin shaft hole has been seted up on the deflector, has placed the cross-under on the locating piece 6 the locating pin 601 in locating pin shaft hole.

Through connect 1 side hem of oiled plate with set up the locating pin shaft hole on the deflector to be equipped with locating pin 601, can be in maintaining the clearance the utility model discloses during rolling mill outlet side air sweeps the device, will the side hem with the deflector locks, when avoiding appearing dismantlement effect jar 4, connects the condition that oiled plate 1 directly deviate from.

In a specific embodiment, as shown in fig. 1, 4 and 5, the upper air injection assembly includes an air injection pipe 7 and a support seat, the air injection pipe 7 is erected on the lower step oil receiving plate 102 through the support seats at two ends, a plurality of first nozzles 701 which are regularly arranged are installed in front of the air injection pipe 7 in a communicating manner, the first nozzles 701 can form a sector-shaped locking air seal towards a roll gap between the working roll 16 and the support roll 17, so as to reduce rolling oil from being thrown upwards, and an air inlet pipe joint 702 which is communicated with an air source is further arranged on the air injection pipe 7.

Specifically, as shown in fig. 4, the number of the inlet pipe joints 702 is multiple and is arranged along the axis of the gas lance 7, and an inner plugging head for isolation is arranged between adjacent inlet pipe joints 702.

Particularly, as shown in fig. 5, the utility model discloses rolling mill outlet side air sweeps device still includes pull

rod

9, and 9 one end threaded connection of pull rod is in the screw hole of jet-propelled pipe 7 tip, and the pull rod 9 other end has the pole cap and passes the round pin axle of round pin axle support 105 front end, and round pin axle support 105 bottom fixed connection connects on the rear end founds the wall of oiled plate 102 at the lower step.

Specifically, as shown in fig. 4, two ends of the air injection pipe 7 are further provided with air suction pipes 8, the pipe openings of the air suction pipes 8 face the roll gap between the working roll 16 and the supporting roll 17, and the air suction pipes 8 are communicated with the negative pressure extraction device.

Through a plurality of first nozzles 701 regularly distributed on the gas injection pipe 7, a sector air seal shield can be formed at a roll gap between the working roll 16 and the supporting roll 17, and the upward throwing amount of rolling oil is reduced; through setting up a plurality ofly at the interval in jet-propelled pipe 7 interior shutoff head can form independent air feed cavity, every the air feed cavity is provided with the clean compressed air supply of intake pipe joint 702 intercommunication, can guarantee the pressure of giving vent to anger of nozzle 701, avoids appearing the not enough condition of atmoseal shielding strength. Through the setting of pull rod 9, can lock the circumference degree of freedom of jet pipe 7, avoid appearing the rotation condition in the course of the work. Through set up aspiration channel 8 at the both ends of jet-propelled pipe 7, can extract the oil gas fog that both sides overflowed, avoid appearing the loss condition.

In one embodiment, as shown in fig. 1, a flexible connecting plate 15 is connected between the lower step oil receiving plate 102 and the swing oil receiving plate 10. The flexible connecting plate 15 is made of an oil-resistant rubber plate.

Specifically, as shown in fig. 4 and 6, a first interception angle steel 104 is arranged on the lower step oil receiving plate 102, a second interception angle steel 1003 is welded on the swing oil receiving plate 10, the interception angle steel is arranged along the width direction of the oil receiving plate, and oil outlets for guiding rolling oil are arranged at two ends of the interception angle steel.

Specifically, as shown in fig. 6 and 7, the lower gas injection assembly includes a nozzle holder 11, a plurality of nozzles are installed at the rear of the swing oil receiving plate 10, a second nozzle 1102 is provided at the lower portion of the nozzle holder 11, and the gas outlet direction of the second nozzles 1102 faces the rolled metal plate 19 conveyed thereto. The upper part of the nozzle holder 11 is provided with a plurality of air inlets 1101, and the air inlets 1101 are communicated with an air source.

By the arrangement of the flexible connecting plate 15, rolling oil is prevented from flowing backwards and outwards from a gap between the lower step oil receiving plate 102 and the swinging oil receiving plate 10; through the setting of angle steel that dams, be convenient for to both sides the oil-out is derived rolling oil. By providing the second nozzle 1102, the upper surface of the rolled metal sheet 19 that has been conveyed can be purged to remove oil.

The utility model discloses rolling mill outlet side air sweeps the operation process of device in a specific embodiment: when the specification of the working roll changes, the first action cylinder 4 acts to drive the oil receiving plate 1 to slide along the two inclined slide way seats 3 in a guiding manner, the height position of a first nozzle 701 of the gas injection pipe 7 is adjusted, and the gas outlet direction is ensured to face the roll gap between the working roll 16 and the supporting roll 17. And the action cylinder II 13 acts to adjust the swing angle of the swing oil receiving plate 10, so that the scraping plate 12 is ensured to contact the surface of the working roll 16 to scrape the rolling oil, and meanwhile, the lower nozzle II 1102 sweeps the upper surface of the rolling metal plate 19.

The utility model discloses rolling mill outlet side air sweeps device connects two slideway bases 3 direction slides that oil board 1 set up along the slope through 4 drives of acting cylinder, can adapt to the change adjustment of working roll specification and connect the position of oil board 1, guarantees the best oil position that connects. Through the arrangement of the lower step oil receiving plate 102, a larger installation space can be formed at the front end, and the air injection assembly and the first pin shaft seat 103 are convenient to install. Through connect the articulated swing of oiled plate 102 lower extreme at the lower step and connect oiled plate 10 and be equipped with and act on jar two 13, can adjust the swing and connect oiled plate 10 swing angle, guarantee that scraper blade 12 contacts 16 surfaces of working roll and scratch the rolling oil down, avoid appearing upwards getting rid of the big condition of oil mass. The utility model discloses rolling mill outlet side air sweeps the device, adopts the air to sweep blockade roll gap and reduces and get rid of the oil mass to the backing roll, and the cooperation has the scraper blade to clear up rolling oil on the working roll simultaneously and prevents that it upwards outwards throws away, seals oily effectual. In addition, the oil plate 1 can be supported in an auxiliary manner by the arrangement of the reinforcing side plate 101, so that the strength is increased, and meanwhile, the received rolling oil can be prevented from flowing to two sides by the arrangement of the vertical side plate; the arrangement of the roller and the rail open slot reduces the guide sliding resistance; through the setting of adjusting bolt 14 and adjustment push pedal 202, can adjust the distance between both sides sliding seat 2, better match two the distance between the open slot. Through a plurality of first nozzles 701 regularly distributed on the gas injection pipe 7, a sector air seal shield can be formed at a roll gap between the working roll 16 and the supporting roll 17, and the upward throwing amount of rolling oil is reduced; through setting up a plurality ofly at the interval in jet-propelled pipe 7 interior shutoff head can form independent air feed cavity, every the air feed cavity is provided with the clean compressed air supply of intake pipe joint 702 intercommunication, can guarantee the pressure of giving vent to anger of nozzle 701, avoids appearing the not enough condition of atmoseal shielding strength. Through the setting of pull rod 9, can lock the circumference degree of freedom of jet pipe 7, avoid appearing the rotation condition in the course of the work. Through set up aspiration channel 8 at the both ends of jet-propelled pipe 7, can extract the oil gas fog that both sides overflowed, avoid appearing the loss condition. By the arrangement of the flexible connecting plate 15, rolling oil is prevented from flowing backwards and outwards from a gap between the lower step oil receiving plate 102 and the swinging oil receiving plate 10; through the setting of angle steel that dams, be convenient for to both sides the oil-out is derived rolling oil. By providing the second nozzle 1102, the upper surface of the rolled metal sheet 19 that has been conveyed can be purged to remove oil.

The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The device disclosed by the embodiment corresponds to the method disclosed by the embodiment, so that the description is simple, and the relevant points can be referred to the method part for description.

The above-mentioned embodiments are only intended to describe the preferred embodiments of the present invention, but not to limit the scope of the present invention, and various modifications and improvements made by those skilled in the art without departing from the design spirit of the present invention should fall into the protection scope defined by the claims of the present invention.

Claims

1. A rolling mill outlet side air purge device is arranged on a rolling mill stand (18) and is positioned behind an upper working roll (16) and a supporting roll (17), and is characterized by comprising the following components:

the oil receiving plate (1) is obliquely arranged in a low front and high back mode, two sides of the oil receiving plate (1) are connected into sliding grooves of sliding channel seats (3) in a guiding and sliding mode through sliding seats (2), and the two sliding channel seats (3) are symmetrically arranged on the inner wall of a vertical plate on the driving side and the operating side of the rack (18); the lower end of the oil receiving plate (1) is provided with a lower step oil receiving plate (102) folding downwards, the bottom end of the lower step oil receiving plate (102) is provided with an upper air injection assembly facing a roll gap between the working roll (16) and the supporting roll (17), and a first pin shaft seat (103) is arranged in the middle of the lower step oil receiving plate (102);

the pin shaft seat I (103) is connected with the end of a piston rod of the acting cylinder I (4) through a pin shaft, the middle part of the acting cylinder I (4) is connected to a cylinder support (501) through a middle pin shaft (401), the cylinder support (501) is arranged below the middle part of the cross beam (5), and two ends of the cross beam (5) are fixedly connected to the rack (18) through flange plates (502);

the lower end of the lower step oil receiving plate (102) is hinged with a swinging oil receiving plate (10), the bottom of the swinging oil receiving plate (10) is provided with a lower air injection assembly facing the upper surface of a rolled metal plate (19), the back of the swinging oil receiving plate (10) is connected with the end of a piston rod of an action cylinder II (13) through a pin shaft seat II (1001), and the bottom of the action cylinder II (13) is connected with a support at the bottom of the lower step oil receiving plate (102) through a pin shaft; and a scraper (12) capable of contacting the outer surface of the working roll (16) is installed at the front end of the swinging oil receiving plate (10).

2. The mill outlet side air purge apparatus of claim 1, wherein: connect the both sides of oiled-plate (1) all the stack and install reinforcing sideboard (101), the inner of reinforcing sideboard (101) is provided with upright baffle, install sliding seat (2) on reinforcing sideboard (101).

3. The mill outlet side air purge apparatus of claim 2, wherein: the bottom surface of the sliding seat (2) is installed on the reinforced side plate (101) through bolts, rollers (201) are arranged on the outer vertical surface of the sliding seat (2), the rollers (201) roll in a C-shaped open slot of the slideway seat (3), and the oil receiving plate (1) slides in an integral guide mode.

4. The mill outlet side air purge apparatus of claim 3, wherein: an adjusting push plate (202) is arranged on the bottom surface of the sliding seat (2), and the adjusting push plate (202) extends out of a via hole at the edge of the reinforcing side plate (101) and the oil receiving plate (1); the bottom surface of the edge of the oil receiving plate (1) is provided with a support plate and an adjusting bolt (14) in threaded connection with the support plate, and the adjusting bolt (14) is pressed against the adjusting push plate (202).

5. The mill outlet side air purge apparatus of claim 1, wherein: the oil receiving plate is characterized by further comprising a positioning block (6), a top connecting block (602) of the positioning block (6) is fixedly connected with a guide plate through a bolt, the guide plate is matched and guided to form a side folding edge of the oil receiving plate (1), a positioning pin shaft hole is formed in the side folding edge of the oil receiving plate (1) and the guide plate, and a positioning pin (601) penetrating through the positioning pin shaft hole is placed on the positioning block (6).

6. The mill outlet side air purge apparatus of claim 1, wherein: go up jet-propelled subassembly including jet-propelled pipe (7) and supporting seat, jet-propelled pipe (7) are established through both ends the supporting seat support is established on lower step oil receiving plate (102), a plurality of nozzles (701) of arranging regularly are installed in jet-propelled pipe (7) the place ahead intercommunication, still be provided with air inlet pipe connector (702) of intercommunication air supply on jet-propelled pipe (7).

7. The mill outlet side air purge apparatus of claim 6, wherein: the number of the air inlet pipe joints (702) is multiple and is arranged along the axis of the air injection pipe (7), and inner plugging heads used for isolation are arranged between the adjacent air inlet pipe joints (702).

8. The rolling mill outlet side air purge device according to claim 6 or 7, wherein: still include pull rod (9), pull rod (9) one end threaded connection in the screw hole of jet-propelled pipe (7) tip, pull rod (9) other end has the pole cap and passes the round pin axle of round pin axle support (105) front end, round pin axle support (105) bottom fixed connection be in down the step connect on the rear end founds the wall of oiled plate (102).

9. The mill outlet side air purge apparatus of claim 8, wherein: the two ends of the air injection pipe (7) are also provided with air suction pipes (8), the pipe orifices of the air suction pipes (8) face to the roll gaps between the working rolls (16) and the supporting rolls (17), and the air suction pipes (8) are communicated to the negative pressure extraction device.

10. The mill outlet-side air purge apparatus of claim 1, wherein: and a flexible connecting plate (15) is connected between the lower step oil receiving plate (102) and the swinging oil receiving plate (10).