CN211360059U

CN211360059U - Hydraulic pressing rolling mill

Info

Publication number: CN211360059U
Application number: CN201921731390.4U
Authority: CN
Inventors: 韩志勇; 江东海; 常铁柱; 尹海元
Original assignee: Capital Engineering & Research Inc Ltd; CERI Technology Co Ltd
Current assignee: Capital Engineering & Research Inc Ltd; CERI Technology Co Ltd
Priority date: 2019-10-16
Filing date: 2019-10-16
Publication date: 2020-08-28
Anticipated expiration: 2029-10-16

Abstract

The utility model discloses a hydraulic pressure goes up rolling mill, including rolling mill housing (1) and pneumatic cylinder (2), pneumatic cylinder (2) set up in the lower part of the window of rolling mill housing (1), and the outside of pneumatic cylinder (2) is connected with hydraulic pressure valves (16), and hydraulic pressure valves (16) contain automatically controlled valve (7), sensor (8) and seal cover (10), and automatically controlled valve (7) and sensor (8) are located seal cover (10). The hydraulic pressing rolling mill arranges the hydraulic valve group at the outer side of the hydraulic cylinder, and the hydraulic valve group is additionally provided with the sealing cover, so that components in the hydraulic valve group are prevented from being polluted by rolling liquid and humid gas, and the service life of the hydraulic pressing rolling mill is prolonged.

Description

Hydraulic pressing rolling mill

Technical Field

The utility model relates to a metal processing equipment field, specificly a hydraulic pressure upper rolling mill.

Background

The rolling mill is widely used in steel rolling production, the modern rolling mill mostly adopts a hydraulic cylinder to perform rolling control, the hydraulic cylinder is arranged at the lower part of a mill housing window and is called a hydraulic pressing rolling mill, the hydraulic cylinder is arranged at the upper part of the mill housing window and is called a hydraulic pressing rolling mill, and the hydraulic pressing rolling mill have advantages respectively.

The hydraulic pressing rolling mill is widely used due to simple structure, a servo valve, a pressure sensor, an electromagnetic valve and the like of the hydraulic pressing rolling mill are often installed on the outer side surface of a hydraulic cylinder body nearby, the area is also a rolling liquid falling area, and electrical components are easily polluted by liquid and steam and are easily damaged.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem that the hydraulic valve group of the existing hydraulic pressure pressing rolling mill is easy to damage, the utility model provides a hydraulic pressure pressing rolling mill, this hydraulic pressure pressing rolling mill set up the hydraulic valve group in the outside of pneumatic cylinder, and the hydraulic valve group has still increased the sealed cowling simultaneously to components and parts in making the hydraulic valve group avoid rolling liquid and humid gas's pollution, have also prolonged the life of this hydraulic pressure pressing rolling mill.

The utility model provides a technical scheme that its technical problem adopted is: a hydraulic pressing rolling mill comprises a rolling mill housing and a hydraulic cylinder, wherein the hydraulic cylinder is arranged at the lower part of a window of the rolling mill housing, and the outer side of the hydraulic cylinder is connected with a hydraulic valve group; the hydraulic valve group comprises an electric control valve, a sensor and a sealing cover, wherein the electric control valve and the sensor are positioned in the sealing cover.

The hydraulic valve group also comprises a valve block, a sealing cover is hermetically connected with the valve block from top to bottom, and the electric control valve and the sensor are fixed on the valve block.

The hydraulic valve group is connected with an exhaust pipeline capable of exhausting air in the sealing cover, and is also connected with an air inlet pipeline capable of inputting air into the sealing cover, and the air inlet pipeline can be led into the underground chamber of the rolling mill.

The upper portion of sealed cowling is equipped with the exhaust hole, and the entry end of exhaust pipe is connected with the exhaust hole of sealed cowling.

And an air inlet through hole is formed in the valve block, the outlet end of the air inlet through hole is communicated with the inside of the sealing cover, and the inlet end of the air inlet through hole is connected with an air inlet pipeline.

The lower part of the sealing cover is provided with a lead interface, and a sleeve for leading out a cable is connected outside the lead interface.

The hydraulic cylinder comprises a hydraulic cylinder barrel and a piston rod, wherein side grooves are formed in two opposite sides of the hydraulic cylinder barrel, openings of the side grooves face the rolling mill housing, side convex edges are arranged in corresponding positions of the lower portion of a window of the rolling mill housing, and the side convex edges are inserted into the side grooves.

The bottom end of the hydraulic cylinder barrel is provided with a bottom groove, the opening of the bottom groove faces downwards, and the lower end of the window of the rolling mill housing is inserted into the bottom groove.

And a vertical lining plate is arranged between the side surface of the side groove and the side surface of the side convex edge, and a horizontal lining plate is arranged between the side surface of the bottom groove and the side surface of the lower end of the window of the mill housing.

The vertical lining plate and the horizontal lining plate are both in a strip-shaped structure.

The utility model has the advantages that: the hydraulic pressing rolling mill arranges the hydraulic valve group at the outer side of the hydraulic cylinder, and the hydraulic valve group is additionally provided with the sealing cover, so that components in the hydraulic valve group are prevented from being polluted by rolling liquid and humid gas, and the service life of the hydraulic pressing rolling mill is prolonged.

Drawings

The accompanying drawings, which form a part of the present application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention.

Fig. 1 is the overall schematic diagram of the hydraulic pressing rolling mill of the present invention.

Fig. 2 is an enlarged schematic view of a portion C in fig. 1.

FIG. 3 is a schematic view of the assembly of the mill housing with the hydraulic cylinder.

Fig. 4 is a sectional view taken along a-a in fig. 3.

Fig. 5 is a schematic view in the direction B in fig. 1.

1. A rolling mill housing; 2. a hydraulic cylinder; 3. a vertical lining plate; 4. a horizontal liner plate; 5. a support roller; 6. an upper pass line adjustment device; 7. an electrically controlled valve; 8. a sensor; 9. a valve block; 10. a sealing cover; 11. an air intake line; 12. an exhaust line; 13. a sleeve; 14. an intermediate roll; 15. a work roll; 16. a hydraulic valve block;

101. a lateral rib;

201. a side groove; 202. a bottom groove.

Detailed Description

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

The utility model provides a hydraulic pressure goes up rolling mill, includes rolling mill housing 1 and pneumatic cylinder 2, and pneumatic cylinder 2 sets up the lower part at the window of rolling mill housing 1, and the outside of pneumatic cylinder 2 is connected with hydraulic valve group 16, and hydraulic valve group 16 can control the work of pneumatic cylinder 2, and hydraulic valve group 16 contains automatically controlled valve 7, sensor 8 and seal cover 10, and automatically controlled valve 7 and sensor 8 are located seal cover 10, as shown in fig. 1-5.

This rolling mill is pressed in to hydraulic pressure has set up hydraulic valve group 16 in the outside of pneumatic cylinder 2, and hydraulic valve group 16 has still increased sealed cowling 10 simultaneously, and sealed cowling 10 can play the guard action to make the components and parts in the hydraulic valve group 16 avoid the pollution of rolling fluid and humid gas, also prolonged the rolling mill's in this hydraulic pressure life.

The rolling mill can be 4 rolling mills on the hydraulic pressure also can be 6 rolling mills, will use 6 rolling mills as an example below, right the rolling mill further explains on the hydraulic pressure. Namely, the hydraulic pressing rolling mill comprises a supporting roll 5, a middle roll 14 and a working roll 15, the supporting roll 5, the middle roll 14 and the working roll 15 are arranged in the rolling mill housing 1 in an up-and-down symmetrical manner, and an upper rolling line adjusting device 6 is further arranged in the rolling mill housing 1, as shown in fig. 1.

The hydraulic pressing rolling mill comprises two hydraulic cylinders 2, and the two hydraulic cylinders 2 are respectively positioned on the left side and the right side in the figure 1. In fig. 1, the left side of the left hydraulic cylinder 2 is the outside of the hydraulic cylinder 2, and the right side of the left hydraulic cylinder 2 is the inside of the hydraulic cylinder 2. In fig. 1, the right side of the right hydraulic cylinder 2 is the outside of the hydraulic cylinder 2, and the left side of the right hydraulic cylinder 2 is the inside of the hydraulic cylinder 2.

In this embodiment, the hydraulic valve set 16 further includes a valve block 9, and the sealing cover 10 is connected to the valve block 9 in a sealing manner. The valve block 9 can be a metal block, the sealing cover 10 can be a metal box, a cavity is arranged in the sealing cover 10, the lower end of the sealing cover 10 is an opening, the lower end of the sealing cover 10 is connected with the upper surface of the valve block 9, and a sealing gasket or sealant is arranged or coated at the joint to ensure that the sealing inside the sealing cover 10 is closed.

In the present embodiment, in order to ensure the sealing of the electrical components inside the sealing cover 10 and also ensure the heat dissipation of the electrical components, an exhaust pipeline 12 capable of exhausting the air inside the sealing cover 10 is connected to the hydraulic valve group 16, and an intake pipeline 11 capable of inputting the air into the sealing cover 10 is also connected to the hydraulic valve group 16, as shown in fig. 5. The air inlet line 11 can lead into the mill basement.

Specifically, the hydraulic valve group 16 comprises an electric control valve 7, a sensor 8, a valve block 9 and a sealing cover 10, wherein the electric control valve 7, the sensor 8 and the valve block 9 are all existing devices, an exhaust hole is formed in the upper portion of the sealing cover 10, and the inlet end of the exhaust pipeline 12 is connected with the exhaust hole of the sealing cover 10. The valve block 9 is provided with an air inlet through hole which is in an upright state, the outlet end of the air inlet through hole is communicated with the inside of the sealing cover 10, and the inlet end of the air inlet through hole is connected with an air inlet pipeline 11.

This is designed to ensure that the outlet end of the intake through-hole is at the lowest position within the sealed housing 10. The exhaust hole is located at the upper portion of the sealing cap 10. Air inlet pipe 11 can lead to rolling mill basement or other lower part air drying's position, and exhaust pipe 12 can lead to the rolling mill top, because electrical apparatus original paper during operation generates heat in the sealed cowling 10, and hot air can upwards flow in the sealed cowling 10, forms the natural ventilation, for the inside electrical apparatus original paper cooling of sealed cowling, has realized simultaneously that electrical apparatus original papers such as automatically controlled valve 7 and sensor 8 and the inside rolling liquid of rolling mill and steam environment are isolated.

In this embodiment, the hydraulic valve set 16 further includes a sensor 8, and the electronic control valve 7 and the sensor 8 are fixed on the upper surface of the valve block 9. The lower part of the sealing cover 10 is provided with a lead interface, and a sleeve 13 for leading out a cable is connected outside the lead interface. The connection cables of the electrically controlled valve 7 and the sensor 8 can be connected to an external control unit through a sleeve 13, and the sleeve 13 can protect the cables and prevent moisture from entering the sealing cover 10.

In this embodiment, the hydraulic cylinder 2 includes a hydraulic cylinder barrel and a piston rod, side grooves 201 are respectively disposed on the front side and the rear side of the hydraulic cylinder barrel, the opening direction of the side grooves 201 is a vertical direction, the opening of the side grooves 201 faces the rolling mill housing 1, side ribs 101 are disposed in corresponding positions on the lower portion of the window of the rolling mill housing 1, and the side ribs 101 are inserted into the side grooves 201, as shown in fig. 4. The bottom end of the hydraulic cylinder barrel is provided with a bottom groove 202, the opening of the bottom groove 202 faces downwards, the opening direction of the bottom groove 202 is the same as the rolling direction of the hydraulic pressing rolling mill, and the lower end of the window of the rolling mill housing 1 is inserted into the bottom groove 202, as shown in fig. 2.

In the working process, due to the fact that the rollers (the supporting roller 5, the middle roller 14 and the working roller 15) shift and bend, the hydraulic cylinder 2 can bear some lateral forces, the lateral forces are along the length direction of the rollers, the side face and the bottom end of a hydraulic cylinder barrel of the hydraulic cylinder 2 are in convex-concave fit with the mill housing 1, and the position stability of the hydraulic cylinder during rolling is guaranteed.

Because the hydraulic cylinder 2 is in contact with the mill housing 1 and is stressed greatly, the long strip-shaped vertical lining plate 3 is arranged between the side surface of the side groove 201 and the side surface of the side convex edge 101, and the long strip-shaped horizontal lining plate 4 is arranged between the side surface of the bottom groove 202 and the lower end side surface of the window of the mill housing 1, as shown in fig. 2 and 4. The purpose of setting up upright welt 3 and horizontal welt 4 is that equipment dismouting damages or can change after long-term use wearing and tearing, avoids the pneumatic cylinder looseness volume too big.

The side surface and the bottom end of the hydraulic cylinder barrel of the hydraulic cylinder 2 are in convex-concave fit with the rolling mill housing 1, so that the rolling mill housing 1 can be conveniently processed, and an allowable gap is reserved between the contact surface of the hydraulic cylinder 2 and the rolling mill housing 1. The side groove 201 and the side convex edge 101 are both in an upright state, and when the rolling mill is installed, the hydraulic cylinder 2 falls from the upper part to the bottom and then is in place, other connections are not needed, the hydraulic cylinder can be ensured not to be inclined and moved when the rolling mill works, and when maintenance is needed, the hydraulic cylinder is lifted to be placed on a trolley or a sliding seat to be moved out, and is convenient to take out.

All electric control valves 7 and sensors 8 in the hydraulic valve group are installed on the upper surface of the valve block 9, the sealing cover 10 is also arranged on the upper surface of the valve block 9, and other non-electric valves, original pieces and pipeline interfaces of the hydraulic valve group are arranged on other surfaces of the valve block and are kept away from the upper surface of the valve block. In addition, all the electronic control valves 7, the sensors 8 and the sealing cover 10 can be arranged on one side surface of the valve block 9 in a variable arrangement mode, and other non-electric valves and original components and pipeline interfaces are arranged on the other side surface of the valve block.

For the convenience of understanding and description, the present invention adopts the absolute position relationship for expression, wherein the directional word "front" is the direction pointing vertically to the inner side of the paper surface of fig. 1, the "rear" is the direction pointing vertically to the outer side of the paper surface of fig. 1, and the rolling direction of the hydraulic press rolling mill is the direction perpendicular to the paper surface of fig. 1. The present invention has been described with reference to the viewing angle of the user, but the above words cannot be understood or interpreted as limitations to the scope of the present invention.

The above description is only for the specific embodiments of the present invention, and the scope of the present invention can not be limited by the embodiments, so that the replacement of the equivalent components or the equivalent changes and modifications made according to the protection scope of the present invention should still belong to the scope covered by the present patent. In addition, the utility model provides an between technical feature and the technical feature, between technical feature and technical scheme, technical scheme and the technical scheme all can the independent assortment use.

Claims

1. The hydraulic pressing rolling mill is characterized by comprising a rolling mill housing (1) and a hydraulic cylinder (2), wherein the hydraulic cylinder (2) is arranged at the lower part of a window of the rolling mill housing (1), and the outer side of the hydraulic cylinder (2) is connected with a hydraulic valve group (16);

the hydraulic valve group (16) comprises an electric control valve (7), a sensor (8) and a sealing cover (10), and the electric control valve (7) and the sensor (8) are positioned in the sealing cover (10).

2. The hydraulic pressing-up rolling mill according to claim 1, wherein the hydraulic valve group (16) further comprises a valve block (9), the sealing cover (10) is connected with the valve block (9) in a sealing manner from top to bottom, and the electric control valve (7) and the sensor (8) are fixed on the valve block (9).

3. Hydraulic pressing-on rolling mill according to claim 2, characterised in that the hydraulic valve block (16) is connected with an exhaust line (12) capable of exhausting the air inside the containment (10), the hydraulic valve block (16) being further connected with an intake line (11) capable of feeding air inside the containment (10), the intake line (11) being capable of opening into the rolling mill basement.

4. Hydraulic rolling mill according to claim 3, characterised in that the upper part of the sealing mantle (10) is provided with a venting hole, the inlet end of the venting line (12) being connected to the venting hole of the sealing mantle (10).

5. Hydraulic press-on rolling mill according to claim 3, characterised in that the valve block (9) is provided with an inlet through-hole, the outlet end of which communicates with the interior of the sealing mantle (10), and the inlet end of which is connected to an inlet line (11).

6. Hydraulic rolling mill according to claim 1, characterised in that the lower part of the sealing cap (10) is provided with a lead-through connection to which a bushing (13) for cable extraction is externally connected.

7. The hydraulic pressing-on rolling mill according to claim 1, wherein the hydraulic cylinder (2) comprises a hydraulic cylinder barrel and a piston rod, the hydraulic cylinder barrel is provided with side grooves (201) on two opposite sides, the openings of the side grooves (201) face the rolling mill housing (1), the lower part of the window of the rolling mill housing (1) is provided with side ribs (101) in corresponding positions, and the side ribs (101) are inserted into the side grooves (201).

8. The hydraulic pressing-on rolling mill according to claim 7, wherein the bottom end of the hydraulic cylinder barrel is provided with a bottom groove (202), the opening of the bottom groove (202) faces downwards, and the lower end of the window of the rolling mill housing (1) is inserted into the bottom groove (202).

9. Hydraulic press-on rolling mill according to claim 8, characterised in that between the side of the lateral groove (201) and the side of the lateral bead (101) there is provided an upright lining plate (3), and between the side of the bottom groove (202) and the lower end side of the window of the mill housing (1) there is provided a horizontal lining plate (4).

10. Hydraulic press-on rolling mill according to claim 9, characterised in that the vertical (3) and horizontal (4) liners are both of elongated configuration.