CN221289025U - Cooling liquid collecting device, cooling liquid assembly and roughing mill - Google Patents

Abstract

The application discloses a cooling liquid collecting device, a cooling liquid assembly and a roughing mill. The water collecting piece in the cooling liquid collecting device is connected with the stand of the rolling mill, and plays a role in fixation. The drainage piece lower extreme that the slope set up is located the water catch bowl upper end and stretches out the water catch bowl, and the drainage surface that the drainage piece upper end set up and roll perisporium contact and extend to the water catch bowl can play the effect of drainage. The cooling liquid on the peripheral wall of the roller is contacted with the diversion surface in the flowing process, and the diversion surface is used for diversion to the water collecting tank so as to enter the water collecting tank where the lower end of the diversion piece is positioned. The cooling liquid is split, and the cooling liquid falling to the metal billet from the peripheral wall of the roller is reduced, so that the influence of the cooling liquid on the metal billet is reduced, the possibility of warping caused by different temperatures of the upper surface and the lower surface of the metal billet is reduced, and the quality of the metal billet is improved to improve the quality of the finally obtained strip steel.

Description

Cooling liquid collecting device, cooling liquid assembly and roughing mill

Technical Field

The application belongs to the technical field of strip steel rolling, and particularly relates to a cooling liquid collecting device, a cooling liquid assembly and a roughing mill.

Background

Rolls are the main working components and tools on rolling mills that produce continuous plastic deformation of sheet metal blanks. Friction heat is generated when the peripheral wall of the roller is continuously in rolling contact with the metal plate blank in the working process, and the metal plate blank with temperature can also conduct heat to the surface of the roller. The too high temperature of the peripheral wall of the roller may damage the surface of the roller, affecting the service life of the roller.

In the prior art, the rolling mill is provided with cooling liquid equipment for cooling the peripheral wall of the roller, and the cooling liquid flows on the peripheral wall of the roller to take away the heat on the surface of the roller so as to reduce the temperature of the surface of the roller and prolong the service life of the roller. However, the cooling liquid on the roller can fall to the upper surface of the metal plate blank contacted with the roller under the action of gravity, the temperature of the cooling liquid is different from that of the metal plate blank, and the cooling liquid falling to the upper surface of the metal plate blank can possibly cause the condition that the temperature difference between the upper surface and the lower surface of the metal plate blank is large and the head warping occurs, so that the quality of strip steel obtained by rolling the metal plate blank is affected.

Disclosure of Invention

The application aims to solve the problem that the quality of the obtained strip steel is affected due to the fact that cooling liquid falls onto the surface of a metal plate blank at least to a certain extent. To this end, the application provides a coolant collection device and a coolant assembly.

The embodiment of the application provides a cooling liquid collecting device for collecting cooling liquid of a roller of a rolling mill, which comprises:

the water collecting piece is connected with the stand of the rolling mill and is provided with a water collecting tank;

The drainage piece, the slope sets up, the lower extreme of drainage piece is located in the water catch bowl, the upper end of drainage piece stretch out in the water catch bowl, the upper end of drainage piece have be used for with the perisporium contact of roll and to the water catch bowl extends the water conservancy diversion surface.

Optionally, the drainage member comprises:

The movable plate is arranged in the water collecting tank and provided with a connecting end extending out of the water collecting tank;

And the guide plate is connected with the connecting end, and the upper surface of the guide plate is the guide surface.

Optionally, the guide plate is a hard rubber plate.

Optionally, the drainage piece is movably arranged on the water collecting tank,

The coolant collection device further includes:

And one end of the position adjusting rod is in threaded connection with the water collecting piece, the other end of the position adjusting rod is propped against the drainage piece, and the position adjusting rod rotates relative to the water collecting piece so that the drainage piece is close to the roller.

Optionally, the cooling liquid collecting device further includes:

the pushing plate is connected to the other end of the position adjusting rod, and the plate surface of the pushing plate abuts against the drainage piece.

Optionally, the cooling liquid collecting device further includes:

the guide piece is connected with the water collecting piece, and a guide hole in interference fit with the drainage piece is formed between the guide piece and the bottom surface of the water collecting tank.

Optionally, the depth of the water collection sump increases in a direction parallel to the horizontal plane and away from the roll.

Optionally, the cooling liquid collecting device further includes:

one end of the flow guide pipe is communicated with the water collecting tank, and the other end of the flow guide pipe is a cooling liquid leading-out end.

The present application provides a coolant assembly comprising a coolant assembly and a coolant collection device as described above,

The cooling liquid component comprises a liquid supply container and a spray head, wherein the liquid supply container is connected with a stand of the rolling mill, a liquid supply end of the liquid supply container is connected with the spray head, an opening of the spray head faces the roller, and the spray head is positioned above the diversion surface.

The application provides a roughing mill, which comprises a body and a cooling liquid collecting device, wherein the cooling liquid collecting device is connected to the rolling mill of the body.

The embodiment of the application has at least the following beneficial effects:

The cooling liquid collecting device is applied to collect cooling liquid of the roller. The water collecting piece in the cooling liquid collecting device is connected with the stand of the rolling mill, so that the fixing function can be achieved, and the cooling liquid can be collected by the water collecting groove formed in the water collecting piece. The drainage piece lower extreme that the slope set up is located the water catch bowl upper end and stretches out the water catch bowl, and the drainage surface that the drainage piece upper end set up and roll perisporium contact and extend to the water catch bowl can play the effect of drainage. After the cooling liquid for cooling is applied on the peripheral wall of the roller, the cooling liquid can be contacted with the diversion surface in the flowing down process, and the diversion surface is diverted to the water collecting tank so as to enter the water collecting tank where the lower end of the diversion piece is positioned. The total amount of the cooling liquid applied to the peripheral wall of the roller is unchanged, the cooling liquid flowing from the peripheral wall of the roller to the metal billet is partially split into the water collecting tank, the cooling liquid falling from the peripheral wall of the roller to the metal billet is reduced, the influence of the cooling liquid on the metal billet is reduced, the possibility of warping caused by different temperatures of the upper surface and the lower surface of the metal billet is reduced, and the quality of the metal billet is improved to improve the quality of the finally obtained strip steel.

Drawings

Fig. 1 is a schematic structural diagram of a cooling liquid collecting device provided by the application.

Fig. 2 is a plan view of the cooling liquid collecting device provided by the application.

Fig. 3 is a schematic structural view of a water collecting member provided by the application.

Fig. 4 is a schematic view of a partial structure of a roughing mill according to the present application.

Reference numerals illustrate: 1. a water collecting member; 11. a water collection tank; 12. a bottom plate; 13. surrounding plates; 2. a drainage member; 21. a flow guiding surface; 22. a moving plate; 23. a deflector; 3. a position adjustment lever; 4. a push plate; 5. a guide member; 6. a guide hole; 7. a flow guiding pipe; 10. a cooling fluid assembly; 101. a liquid supply container; 102. a spray head; 100. a rolling mill; 1001. and (5) rolling.

Detailed Description

In order to make the present application more clearly understood by those skilled in the art, the following detailed description of the technical scheme of the present application will be given by way of specific examples with reference to the accompanying drawings.

Fig. 1 is a schematic structural diagram of a coolant collecting apparatus according to the present application, and referring to fig. 1, it can be seen that the coolant collecting apparatus according to the embodiment of the present application is used for collecting coolant of a roll 1001 of a rolling mill 100, and the coolant collecting apparatus includes:

a water collecting member 1 connected to a frame of the rolling mill 100 and provided with a water collecting tank 11;

The drainage member 2 is arranged obliquely, the lower end of the drainage member 2 is arranged in the water collecting tank 11, the upper end of the drainage member 2 extends out of the water collecting tank 11, and the upper end of the drainage member 2 is provided with a diversion surface 21 which is used for contacting with the peripheral wall of the roller 1001 and extends to the water collecting tank 11.

The coolant collection device is applied to collect the coolant of the roll 1001. The water collecting piece 1 in the cooling liquid collecting device is connected with the stand of the rolling mill 100, can play a role in fixing, and the water collecting tank 11 arranged on the water collecting piece 1 can collect cooling liquid. The lower end of the inclined drainage piece 2 is positioned at the inner upper end of the water collecting tank 11 and extends out of the water collecting tank 11, and the guide surface 21 which is arranged at the upper end of the drainage piece 2, contacts with the peripheral wall of the roller 1001 and extends to the water collecting tank 11 can play a role in drainage. After the cooling liquid for cooling is applied to the peripheral wall of the roll 1001, the cooling liquid may be brought into contact with the diversion surface 21 during the downstream of the cooling liquid, and the diverted surface may be diverted toward the water collection tank 11 so as to enter the water collection tank 11 where the lower end of the diversion member 2 is located. The total amount of the cooling liquid applied to the peripheral wall of the roll 1001 is not changed, and the cooling liquid flowing from the peripheral wall of the roll 1001 to the metal billet is partially split into the water collection tank 11, so that the influence of the cooling liquid on the metal billet is reduced when the cooling liquid falling from the peripheral wall of the roll 1001 to the metal billet is reduced, the possibility of occurrence of warping due to the difference of the upper and lower surface temperatures of the metal billet is reduced, and the quality of the metal billet is advantageously improved to improve the quality of the finally obtained strip steel. The drainage piece 2 can also play a role in collecting oxide scales on the surface of the roller 1001, so that the rolling effect of the roller 1001 is improved.

In some embodiments provided by the present application, the edge of the guide surface 21 is in contact with the peripheral wall of the roll 1001, and the edge of the guide surface 21 extends from one end of the roll 1001 to the other end of the roll 1001. All the portions of the roll 1001 where the coolant may flow down can be covered, and the coolant that eventually falls onto the metal slab can be greatly reduced.

In some embodiments provided by the present application, the angle formed between the flow guiding surface 21 and the roll 1001 may be 15 °. The effect of collecting the cooling liquid is good.

In some embodiments provided by the present application, the edge of the flow guiding surface 21 may have a length in the axial direction of the roll 1001 of more than 150mm and the maximum thickness of the flow guiding plate 23 may be not less than 12mm. The effect of collecting the cooling liquid is better.

In certain embodiments provided by the present application, the minimum distance between the coolant collection device and the metal billet may be greater than 600mm. The safety of the cooling liquid is higher when collecting.

Referring to fig. 1, in some embodiments of the present application, a drainage member 2 includes:

The movable plate 22 is provided in the water collection tank 11 and has a connection end protruding from the water collection tank 11. And the guide plate 23 is connected with the connecting end, and the upper surface of the guide plate 23 is a guide surface 21.

The drainage member 2 is arranged to comprise a moving plate 22 in the water collecting tank 11, the connecting end of the moving plate 22 extending out of the water collecting tank 11 is connected with a guide plate 23, and the upper surface of the guide plate 23 is a guide surface 21. In the event of severe wear of the flow guide 2 in contact with the roller 1001, the flow guide plate 23 outside the water collection sump 11 is easier to replace and less costly to maintain.

In some embodiments of the present application, the connection between the moving plate 22 and the baffle 23 may be made by a plurality of fasteners. The application is not limited in this regard.

In some embodiments of the present application, the baffle 23 is a hard plastic plate.

The material of the guide plate 23 is a hard plastic plate, so that the contact tightness between the guide surface 21 of the guide plate 23 and the roller 1001 can be increased.

In some embodiments of the present application, the drainage member 2 may be an integrally formed structure. The application is not limited in this regard.

In some embodiments of the application, the drainage member 2 is movably arranged in the water collection sump 11. The coolant collection device further includes:

and one end of the position adjusting rod 3 is in threaded connection with the water collecting piece 1, the other end of the position adjusting rod is propped against the drainage piece 2, and the position adjusting rod 3 rotates relative to the water collecting piece 1 so that the drainage piece 2 is close to the roller 1001.

One end of the position adjusting rod 3 is in threaded connection with the water collecting piece 1, the other end of the position adjusting rod abuts against the drainage piece 2, the position adjusting rod 3 with one end limited on the water collecting piece 1 can axially move when rotating, and the drainage piece 2 can be pushed to be close to the roller 1001 by the axially moving. The flow guide 2 can be pushed against the roller 1001 to ensure the flow guiding effect of the flow guiding surface 21 when wear occurs between the flow guide 2 and the roller 1001.

In some embodiments provided by the present application, the position adjustment rod 3 may be located between the drainage member 2 and the side wall of the water collection tank 11, and the position adjustment rod 3 may be connected to the side wall of the water collection tank 11, and the axial direction of the position adjustment rod 3 may be perpendicular to the axial direction of the roll 1001. The drainage member 2 can be effectively pushed closer to the roll 1001.

In some embodiments of the present application, the coolant collection device further comprises:

The push plate 4, the push plate 4 is connected with the other end of the position adjusting rod 3, and the plate surface of the push plate 4 is propped against the drainage piece 2.

The push plate 4 can increase the acting force on the drainage member 2 so as to push the drainage member 2 to approach the roller 1001.

Fig. 2 is a top view of a coolant collection device according to the present application, and referring to fig. 2, in some implementations of the present application, the coolant collection device may include at least two position adjustment bars 3 spaced apart along an axial direction of a roll 1001. The drainage member 2 can be pushed more uniformly against the roller 1001.

In some embodiments of the present application, the coolant collection device further comprises:

The guide piece 5, the guide piece 5 links to each other with water collector 1, forms the guiding hole 6 with drainage piece 2 interference fit between the bottom surface of guide piece 5 and water catch bowl 11.

The guide piece 5 forms the guiding hole 6 with drainage piece 2 interference fit with the bottom surface of water catch bowl 11, can play certain direction and spacing effect to drainage piece 2, guarantees the steady movement of drainage piece 2.

In some embodiments provided by the application, the guide 5 may be in the form of a plate that spans the sump 11. The drainage piece 2 can be stably limited conveniently.

It should be noted that, in some embodiments provided in the present application, the guide member 5 may be rod-shaped or have another structure that may form the guide hole 6 with the bottom surface of the water collecting tank 11. The application is not limited in this regard.

The drainage member 2 provided by the application comprises a movable plate 22 and a guide plate 23, wherein the guide plate 23 is movably arranged in the water collecting tank 11, the movable plate 22 is movably arranged in the water collecting tank 11, the other end of the position adjusting rod 3 or the push plate 4 can be abutted against the movable plate 22, and the guide member 5 is in interference fit with the movable plate 22. Movement of the moving plate 22 and the baffle 23 can be facilitated.

In some embodiments provided by the application, the depth of the water collection sump 11 increases in a direction parallel to the horizontal plane and away from the roll 1001.

The depth of the water collection tank 11 increases in a direction parallel to the horizontal plane and away from the roll 1001, and the water collection capacity of the water collection tank 11 can be improved without frequent treatment of the coolant collected in the water collection tank 11.

In some embodiments of the present application, the coolant collection device further comprises:

One end of the flow guide pipe 7 is communicated with the water collecting tank 11, and the other end is a cooling liquid leading-out end. The flow guide pipe 7 can guide the cooling liquid in the water collecting tank 11, so that the cooling liquid collected in the water collecting tank 11 does not need to be treated. The work required by the manpower is reduced.

In some embodiments of the present application, the coolant collection device may include at least two flow guide pipes 7 in communication with the water collection sump 11. The flow guiding efficiency can be improved.

Fig. 3 is a schematic structural diagram of a water collecting member according to the present application, and referring to fig. 3, it can be seen that the water collecting member 1 may include a bottom plate 12 and a surrounding plate 13 semi-surrounding one plate surface of the bottom plate 12, and a water collecting tank 11 is formed between the bottom plate 12 and the surrounding plate 13. The drainage member 2 may be disposed at an opening of one plate surface of the bottom plate 12 which is not surrounded by the surrounding plate 13 and extends out of the bottom plate 12. The preparation of the water collecting member 1 can be facilitated.

In some embodiments of the present application, the position adjusting rod 3, the water collecting member 1 and the moving plate 22 may be made of Q235 steel. The application is not limited in this regard.

The present application may also provide a coolant assembly comprising a coolant assembly 10 and a coolant collection device as described above,

The cooling fluid assembly 10 comprises a fluid supply container 101 and a spray head 102, wherein the fluid supply container 101 is connected with a frame of the rolling mill 100, a fluid supply end of the fluid supply container 101 is connected with the spray head 102, an opening of the spray head 102 faces the roller 1001, and the spray head 102 is located above the guide surface 21.

The liquid supply container 101 transfers the cooling liquid to the spray head 102 and sprays the cooling liquid to the roller 1001 so as to cool the roller 1001, the spray head 102 is positioned on the guide surface 21, and after cooling the roller 1001, the cooling liquid sprayed by the spray head 102 can enter the water collecting tank 11 from the guide surface 21 so as to cool the roller 1001 and collect the cooling liquid. The coolant collection device is applied to collect the coolant of the roll 1001. The water collecting piece 1 in the cooling liquid collecting device is connected with the stand of the rolling mill 100, can play a role in fixing, and the water collecting tank 11 arranged on the water collecting piece 1 can collect cooling liquid. The lower end of the inclined drainage piece 2 is positioned at the inner upper end of the water collecting tank 11 and extends out of the water collecting tank 11, and the guide surface 21 which is arranged at the upper end of the drainage piece 2, contacts with the peripheral wall of the roller 1001 and extends to the water collecting tank 11 can play a role in drainage. After the cooling liquid for cooling is applied to the peripheral wall of the roll 1001, the cooling liquid may be brought into contact with the diversion surface 21 during the downstream of the cooling liquid, and the diverted surface may be diverted toward the water collection tank 11 so as to enter the water collection tank 11 where the lower end of the diversion member 2 is located. The total amount of the cooling liquid applied to the peripheral wall of the roll 1001 is not changed, and the cooling liquid flowing from the peripheral wall of the roll 1001 to the metal billet is partially split into the water collection tank 11, so that the influence of the cooling liquid on the metal billet is reduced when the cooling liquid falling from the peripheral wall of the roll 1001 to the metal billet is reduced, the possibility of occurrence of warping due to the difference of the upper and lower surface temperatures of the metal billet is reduced, and the quality of the metal billet is advantageously improved to improve the quality of the finally obtained strip steel.

The application provides a roughing mill comprising a body and a coolant collection device as described above, the coolant collection device being connected to the mill 100 of the body. The specific effects of the coolant collection device in the roughing mill can be seen from the foregoing, and will not be described again here, so as to facilitate cooling of the roll 1001 in the roughing mill.

The roughing mill body includes all the structures included in a conventional roughing mill.

Fig. 4 is a schematic view of a partial structure of a roughing mill according to the present application, and for convenience of understanding, the structure of a roll and a cooling fluid assembly in the roughing mill can be seen with reference to the schematic view of the roughing mill in fig. 4.

While preferred embodiments of the present application have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. It is therefore intended that the following claims be interpreted as including the preferred embodiments and all such alterations and modifications as fall within the scope of the application.

It will be apparent to those skilled in the art that various modifications and variations can be made to the present application without departing from the spirit or scope of the application. Thus, it is intended that the present application also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.

Claims (10)

1. A coolant collection device for collecting coolant of rolls of a rolling mill, characterized by comprising:

the water collecting piece is connected with the stand of the rolling mill and is provided with a water collecting tank;

The drainage piece, the slope sets up, the lower extreme of drainage piece is located in the water catch bowl, the upper end of drainage piece stretch out in the water catch bowl, the upper end of drainage piece have be used for with the perisporium contact of roll and to the water catch bowl extends the water conservancy diversion surface.

2. The coolant collection device of claim 1, wherein the flow guide comprises:

The movable plate is arranged in the water collecting tank and provided with a connecting end extending out of the water collecting tank;

And the guide plate is connected with the connecting end, and the upper surface of the guide plate is the guide surface.

3. The cooling fluid collection apparatus of claim 2, wherein the baffle is a hard plastic plate.

4. The cooling liquid collecting apparatus according to any one of claims 1 to 3, wherein the drainage member is movably provided in the water collecting tank,

The coolant collection device further includes:

And one end of the position adjusting rod is in threaded connection with the water collecting piece, the other end of the position adjusting rod is propped against the drainage piece, and the position adjusting rod rotates relative to the water collecting piece so that the drainage piece is close to the roller.

5. The coolant collection device of claim 4, further comprising:

the pushing plate is connected to the other end of the position adjusting rod, and the plate surface of the pushing plate abuts against the drainage piece.

6. The coolant collection device of claim 4, further comprising:

the guide piece is connected with the water collecting piece, and a guide hole in interference fit with the drainage piece is formed between the guide piece and the bottom surface of the water collecting tank.

7. A coolant collection device according to any one of claims 1 to 3, wherein the depth of the water collection sump increases in a direction parallel to the horizontal plane and away from the roll.

8. A coolant collection device according to any one of claims 1 to 3, further comprising:

one end of the flow guide pipe is communicated with the water collecting tank, and the other end of the flow guide pipe is a cooling liquid leading-out end.

9. A coolant assembly comprising a coolant assembly and the coolant collection device of any one of claims 1 to 8,

The cooling liquid component comprises a liquid supply container and a spray head, wherein the liquid supply container is connected with a stand of the rolling mill, a liquid supply end of the liquid supply container is connected with the spray head, an opening of the spray head faces the roller, and the spray head is positioned above the diversion surface.

10. A roughing mill comprising a body and the coolant collection device of any one of claims 1-8, said coolant collection device being attached to said body's mill.