阅读说明：本技术 带钢粗轧区紧凑式可逆轧制工装 (Compact type reversible rolling tool for rough rolling area of strip steel ) 是由 吴明达 于 2019-11-13 设计创作，主要内容包括：本发明创造提供了带钢粗轧区紧凑式可逆轧制工装,包括粗轧制立辊轧机、粗轧制平辊轧机；所述粗轧制立辊轧机的立辊地脚板通过螺栓固定在粗轧制平辊轧机的平辊地脚板上,所述粗轧制立辊轧机的立辊平台与粗轧制平辊轧机的平辊平台固定安装,用于缩小粗轧机的沿制扎线的长度及占地面积；所述粗轧制平辊轧机包括机架辊、轧辊、平辊轧机机架；所述轧辊两端设有轴承座,所述轴承座通过螺栓固定在平辊轧机机架上,所述机架辊通过楔键固定在平辊轧机机架上,所述机架辊位于轧辊两侧,所述轧辊可逆旋转。本发明创造所述的立辊地脚板固定在平辊地脚板上,缩小了粗轧机的占地面积,使粗轧线长度缩短减少了开坯的时间,提高了轧制效率。(The invention provides a compact reversible rolling tool for a rough rolling area of strip steel, which comprises a rough rolling vertical roller mill and a rough rolling flat roller mill; the vertical roll footing plate of the rough rolling vertical roll mill is fixed on the flat roll footing plate of the rough rolling flat roll mill through bolts, and the vertical roll platform of the rough rolling vertical roll mill and the flat roll platform of the rough rolling flat roll mill are fixedly arranged and used for reducing the length and the occupied area of the rough rolling mill along the binding line; the rough rolling flat roller mill comprises a frame roller, a roller and a flat roller mill frame; the roll is characterized in that bearing blocks are arranged at two ends of the roll, the bearing blocks are fixed on a flat roll mill frame through bolts, the frame roll is fixed on the flat roll mill frame through wedge keys, the frame rolls are located on two sides of the roll, and the roll can rotate reversibly. The vertical roll floor foot plate is fixed on the flat roll floor foot plate, so that the floor area of a roughing mill is reduced, the length of a roughing line is shortened, the cogging time is reduced, and the rolling efficiency is improved.)

1. Reversible rolling frock of belted steel rough rolling district compact, its characterized in that: comprises a rough rolling vertical roller mill (1) and a rough rolling flat roller mill (2);

the vertical roll footing plate (12) of the rough rolling vertical roll mill (1) is fixed on a flat roll footing plate (25) of the rough rolling flat roll mill (2) through bolts, and a vertical roll platform (13) of the rough rolling vertical roll mill (1) and a flat roll platform (24) of the rough rolling flat roll mill (2) are fixedly installed and used for reducing the length of the rough rolling mill along a binding line and the occupied area;

the rough rolling flat rolling mill (1) comprises a frame roller (21), a rolling roller (22) and a flat rolling mill frame (23);

the rolling mill is characterized in that bearing blocks are arranged at two ends of the roller (22), the bearing blocks are fixed on a flat rolling mill frame (23) through bolts, the frame roller (21) is fixed on the flat rolling mill frame (23) through a wedge key (211), the frame roller (21) is located on two sides of the roller (22), and the roller (22) can rotate reversibly.

2. The compact reversible rolling tool in the rough rolling area of strip steel according to claim 1, characterized in that: the flat roller mill frame (21) is of a hollow structure, two groups of mounting arms are symmetrically arranged on the flat roller mill frame (21), a plurality of screw holes are formed in the mounting arms, the roller (22) is mounted in the hollow structure, bearing blocks at two ends of the roller (22) are fixed on the mounting arms through bolts, and the diameter of each bearing block corresponds to the diameter between every two mounting arms.

3. The compact reversible rolling tool in the rough rolling area of strip steel according to claim 1, characterized in that: the two frame rollers (21) are located on two sides of the roller (22), two ends of each frame roller (21) are provided with second bearing seats (212), bosses are arranged at the bottoms of the second bearing seats (212), through holes corresponding to the wedge keys (211) are formed in two ends of each second bearing seat (212), grooves corresponding to the bosses of the second bearing seats (212) are formed in the flat roll mill frame (23), mounting blocks (231) are arranged inside the flat roll mill frame (23), wedge key grooves corresponding to the wedge keys (211) are formed in the mounting blocks (231), the wedge key grooves correspond to the through holes, and the frame rollers (21) are fixed inside the flat roll mill frame (23) through the wedge keys (211).

4. The compact reversible rolling tool in the rough rolling area of strip steel according to claim 1, characterized in that: flat roll baseboard (25) is bilayer structure, flat roll baseboard (25) top layer is equipped with a plurality of bolt holes, flat roll mill frame (23) pass through the bolt fastening at the top layer of flat roll baseboard (25), edger baseboard (12) both ends are equipped with protruding edge, protruding edge is last to be equipped with the bolt hole corresponding with flat roll baseboard (25) bolt hole, edger baseboard (12) are fixed with flat roll baseboard (25) through the bolt, be equipped with adjustment pad (6) between flat roll baseboard (25) and edger baseboard (12), protruding edge is last still to install locking cylinder (4), install edger mill frame (11) on edger baseboard (12), locking cylinder (4) are used for locking edger mill frame (11).

5. The compact reversible rolling tool in the rough rolling area of strip steel according to claim 4, characterized in that: the vertical roll platform (13) is located at the top of a vertical roll mill stand (11), the vertical roll platform (13) is fixedly installed on a stand column (14), one end of the vertical roll platform (13) is attached to a plain roll platform (24), one end, close to the plain roll platform (24), of the vertical roll platform (13) is fixed on the plain roll mill stand (23) through bolts, the plain roll platform (24) is located above a roller (22), and the plain roll platform (24) is fixedly installed above the plain roll mill stand (23).

6. The compact reversible rolling tool in the rough rolling area of strip steel according to claim 3, characterized in that: two frame rollers (21) are equipped with cab apron (210) respectively, it outwards extends respectively to cross cab apron (210), it is equipped with first screw hole to cross cab apron (210) both ends, be equipped with the second screw corresponding with first screw hole on the bearing frame at frame roller (21) both ends, cross cab apron (210) and pass through the bolt fastening on frame roller (21) bearing frame, one of them crosses cab apron (210) and is equipped with the gear structure edge, flat roll binding machine frame (23) outer end installation organic back work roll table (5) that are equipped with the gear structure edge, the cab apron (210) of crossing that are equipped with the gear structure edge carry out the joint with quick-witted back work roll table (5), it is used for supporting the direction to the steel billet to cross cab apron (210).

7. The compact reversible rolling tool in the rough rolling area of strip steel according to claim 4, characterized in that: a vertical roll system (112) is installed in the vertical roll mill stand (11), the vertical roll system (112) is installed in the vertical roll mill stand (11) in a sliding mode, one end of the vertical roll mill stand (11) is hinged with a roll changing hydraulic cylinder (110), and a roll changing slide way (113) is installed at the upper end of a vertical roll base plate (12); the vertical roll mill stand (11) is slidably mounted on a roll changing slideway (113), and when a cylinder rod of a roll changing hydraulic cylinder (110) extends out, the vertical roll mill stand (11) is pushed out of the outer side of a vertical roll platform (13) for rapidly replacing a vertical roll system (112).

Technical Field

The invention belongs to the technical field of hot-rolled strip steel production lines, and particularly relates to a compact reversible rolling tool in a strip steel rough rolling area.

Background

The hot-rolled strip steel production line is rapidly improved along with the economic development of China in recent years, the consumption level demand of people is continuously improved, and the industries such as civil buildings, automobiles and the like are vigorously developed. The method also puts forward new requirements on the yield and the product precision of the hot rolled strip steel, and enterprises actively seek product transformation and equipment upgrading in response to market demands. Usually, the rough rolling areas of the narrow strip steel are arranged independently one on another, the bases of the rolling mills are mutually independent, and an organic transition roller way is arranged between the two rolling mills. When the rolling mill is applied to medium-width strip rolling, the size of the rolling mill is greatly increased due to the increase of the rolling capacity, the width of the rolling mill along a rolling line is greatly increased, the length of equipment in a rough rolling area along the rolling line is very long, and the occupied area is increased. Meanwhile, the rolling time is increased, so that the surface temperature of the billet is reduced to be high, and the rolling rhythm is slowed down.

Disclosure of Invention

In view of the above, the invention aims to provide a compact reversible rolling tool in a rough rolling area of a strip steel, so as to solve the problems that a large distance exists between a flat rolling mill and a vertical rolling mill, the occupied area is large, the rolling time is increased, the surface temperature of a billet is reduced, and the rolling pace is slow.

In order to achieve the purpose, the technical scheme of the invention is realized as follows:

the compact reversible rolling tool for the rough rolling area of the strip steel comprises a rough rolling vertical roller mill and a rough rolling flat roller mill;

the vertical roll footing plate of the rough rolling vertical roll mill is fixed on the flat roll footing plate of the rough rolling flat roll mill through bolts, and the vertical roll platform of the rough rolling vertical roll mill and the flat roll platform of the rough rolling flat roll mill are fixedly arranged and used for reducing the length and the occupied area of the rough rolling mill along the binding line;

the rough rolling flat roller mill comprises a frame roller, a roller and a flat roller mill frame;

the roll is characterized in that bearing blocks are arranged at two ends of the roll, the bearing blocks are fixed on a flat roll mill frame through bolts, the frame roll is fixed on the flat roll mill frame through wedge keys, the frame rolls are located on two sides of the roll, and the roll can rotate reversibly.

Further, the flat roller mill frame is of a hollow structure, two groups of mounting arms are symmetrically arranged on the flat roller mill frame, a plurality of screw holes are formed in the mounting arms, the roller is mounted in the hollow structure, bearing blocks at two ends of the roller are fixed on the mounting arms through bolts, and the diameter of each bearing block corresponds to the diameter between every two mounting arms.

Furthermore, the two frame rolls are positioned on two sides of the roll, the two ends of each frame roll are provided with second bearing seats, bosses are arranged at the bottoms of the second bearing seats, through holes corresponding to wedge keys are formed in the two ends of each second bearing seat, grooves corresponding to the bosses of the second bearing seats are formed in the flat roll mill frame, mounting blocks are arranged in the flat roll mill frame, wedge key grooves corresponding to the wedge keys are formed in the mounting blocks, the wedge key grooves correspond to the through holes, and the frame rolls are fixed in the flat roll mill frame through the wedge keys.

Further, the plain-barreled roll footing plate is bilayer structure, the plain-barreled roll footing plate top layer is equipped with a plurality of bolt holes, the top layer at the plain-barreled roll footing plate is passed through the bolt fastening to the plain-barreled roll rolling mill frame, edger roll footing plate both ends are equipped with protruding edge, protruding edge is last to be equipped with the bolt hole corresponding with plain-barreled roll footing plate bolt hole, edger roll footing plate passes through the bolt and fixes with the plain-barreled roll footing plate, be equipped with the adjustment pad between plain-barreled roll footing plate and the edger roll footing plate, protruding edge is last still to install the locking jar, install the edger mill frame on the edger roll footing plate, the locking jar is used for locking the.

Furthermore, the vertical roll platform is positioned at the top of the stand roll mill frame, the vertical roll platform is fixedly installed on the stand column, one end of the vertical roll platform is attached to the flat roll platform, one end of the vertical roll platform, which is close to the flat roll platform, is fixed on the flat roll mill frame through bolts, the flat roll platform is positioned above the roll, and the flat roll platform is fixedly installed above the flat roll mill frame.

Further, two frame rollers are respectively provided with a transition plate, the transition plates respectively extend outwards, first threaded holes are formed in two ends of each transition plate, second threads corresponding to the first threaded holes are formed in bearing seats at two ends of each frame roller, the transition plates are fixed on bearing seats of the frame rollers through bolts, one of the transition plates is provided with a gear structure edge, a rear working roller table is arranged at the outer end of the frame of the flat roller binding machine provided with the gear structure edge, the transition plates provided with the gear structure edge are connected with the rear working roller table in a clamped mode, and the transition plates are used for supporting and guiding steel billets.

Furthermore, a vertical roll system is installed in the vertical roll mill stand, the vertical roll system is installed in the vertical roll mill stand in a sliding mode, a roll changing hydraulic cylinder is hinged to one end of the vertical roll mill stand, and a roll changing slide way is installed at the upper end of a vertical roll base plate; the vertical roll mill frame is slidably mounted on the roll changing slideway, and when the cylinder rod of the roll changing hydraulic cylinder extends out, the vertical roll mill frame is pushed out of the outer side of the vertical roll platform to quickly replace the vertical roll system.

Compared with the prior art, the compact reversible rolling tool for the rough rolling area of the strip steel has the following advantages:

(1) the invention replaces the original transition roller way with the frame roller, and the vertical roller mill is arranged on the footing plate of the flat roller mill, thereby greatly shortening the distance between the flat roller and the vertical roller mill, further reducing the floor area, shortening the length of the rolling line, reducing the cogging time and improving the rolling efficiency.

(2) The invention creates the roller which is matched with the rear working roller way of the machine, and can carry out forward and backward five-pass rolling on the billet, so that the rolling thickness of the hot billet is thinner.

(3) The vertical roll system is slidably mounted in the vertical roll mill frame, the hydraulic cylinder is hinged with the vertical roll mill frame, and when a cylinder rod of the hydraulic cylinder extends out, the vertical roll mill frame is pushed out to the outer side of the vertical roll platform, so that the roll system is replaced, and the roll system is convenient to detach quickly.

Drawings

The accompanying drawings, which 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 without limitation. In the drawings:

FIG. 1 is a structural diagram of a compact reversible rolling tool in a rough rolling area of strip steel according to an embodiment of the invention;

FIG. 2 is a structural diagram of an adsorption installation part of a vertical roller floor plate and a flat roller floor plate according to the inventive embodiment of the present invention;

FIG. 3 is a sectional view of a flat rolling mill according to an embodiment of the present invention;

FIG. 4 is a left side view of a mounting structure for a rack stick according to an embodiment of the present invention;

FIG. 5 is a left side view of a vertical rolling mill configuration according to an embodiment of the present invention;

fig. 6 is a top view of a vertical rolling mill structure according to an embodiment of the present invention.

Description of reference numerals:

1-rough rolling vertical roller mill; 11-a vertical roll mill stand; 110-roll changing hydraulic cylinder; 112-vertical roll system; 113-roll change ramps; 12-vertical roll footing plate; 13-vertical roll platforms; 14-upright post; 2, roughly rolling a flat roller mill; 21-a frame roller; 210-a transition plate; 211-wedge bond; 212-second chock 22-roll; 23-a flat roll mill stand; 24-a flat roll platform; 25-flat roll footing plate; 3-a front working roller bed; 4-locking the cylinder; 5-a rear working roller way; 6-adjusting the cushion.

Detailed Description

It should be noted that the embodiments and features of the embodiments of the present invention may be combined with each other without conflict.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings, which are merely for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be construed as limiting the invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the invention, the meaning of "a plurality" is two or more unless otherwise specified.

In the description of the invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "connected" and "connected" are to be construed broadly, e.g. as being fixed or detachable or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the creation of the present invention can be understood by those of ordinary skill in the art through specific situations.

The invention will be described in detail with reference to the following embodiments with reference to the attached drawings.

As shown in fig. 1, the compact reversible rolling tool for the rough rolling area of the strip steel comprises a rough rolling vertical roller mill 1 and a rough rolling flat roller mill 2;

the vertical roll footing plate 12 of the rough rolling vertical roll mill 1 is fixed on the flat roll footing plate 25 of the rough rolling flat roll mill 2 through bolts, and the vertical roll platform 13 of the rough rolling vertical roll mill 1 and the flat roll platform 24 of the rough rolling flat roll mill 2 are fixedly arranged and used for reducing the length and the occupied area of the rough rolling mill along the binding line;

the rough rolling flat roller mill 1 comprises a frame roller 21, a roller 22 and a flat roller mill frame 23;

the two ends of the roller 22 are provided with bearing blocks which are fixed on a flat roller mill frame 23 through bolts, the frame roller 21 is fixed on the flat roller mill frame 23 through a wedge key 211, the frame rollers 21 are positioned on the two sides of the roller 22, and the roller 22 can rotate reversibly.

As shown in fig. 3, the flat rolling mill frame 21 is a hollow structure, two sets of mounting arms are symmetrically arranged on the flat rolling mill frame 21, a plurality of screw holes are formed in the mounting arms, the roller 22 is mounted in the hollow structure, bearing blocks at two ends of the roller 22 are fixed on the mounting arms through bolts, and the diameter of each bearing block corresponds to the diameter between each mounting arm.

As shown in fig. 3 to 4, two of the frame rolls 21 are located on two sides of the roll 22, two ends of the frame roll 21 are provided with second bearing seats 212, the bottoms of the second bearing seats 212 are provided with bosses, two ends of the second bearing seats 212 are provided with through holes corresponding to the wedge keys 211, the flat roll mill frame 23 is provided with grooves corresponding to the bosses of the second bearing seats 212, the flat roll mill frame 23 is internally provided with mounting blocks 231, the mounting blocks 231 are provided with wedge key grooves corresponding to the wedge keys 211, the wedge key grooves correspond to the through holes, the frame roll 21 is fixed inside the flat roll mill frame 23 through the wedge keys 211, the frame roll 21 replaces a transition roller way, and the rolling is more compact.

As shown in fig. 1 to 2 and 5, the flat roll footing plate 25 has a double-layer structure, the top layer of the flat roll footing plate 25 is provided with a plurality of bolt holes, the flat roll stand 23 is fixed on the top layer of a flat roll base plate 25 through bolts, two ends of the vertical roll base plate 12 are provided with convex edges, the convex edge is provided with bolt holes corresponding to the bolt holes of the flat roll base plate 25, the vertical roll base plate 12 is fixed with the flat roll base plate 25 through bolts, an adjusting pad 6 is arranged between the flat roll base plate 25 and the vertical roll base plate 12, a locking cylinder 4 is also arranged on the convex edge, the vertical roller stand 11 is arranged on the vertical roller footing plate 12, the locking cylinder 4 is used for locking the vertical roller stand 11, the rough rolling vertical roller 1 is positioned at the front end of the rough rolling flat roller 2, the width control device is used for controlling the width of a steel billet, rolling the edge of the steel billet and preventing the edge of strip steel from cracking in the rolling process.

As shown in fig. 5, the vertical roll platform 13 is located at the top of the vertical roll mill housing 11, the vertical roll platform 13 is fixedly mounted on the column 14, one end of the vertical roll platform 13 is attached to the flat roll platform 24, one end of the vertical roll platform 13 close to the flat roll platform 24 is fixed on the flat roll mill housing 23 through bolts, the flat roll platform 24 is located above the rolling roll 22, and the flat roll platform 24 is fixedly mounted above the flat roll mill housing 23.

As shown in fig. 3 to 4, the two frame rollers 21 are respectively provided with a transition plate 210, the transition plates 210 respectively extend outwards, two ends of the transition plates 210 are provided with first threaded holes, bearing seats at two ends of the frame rollers 21 are provided with second threads corresponding to the first threaded holes, the transition plates 210 are fixed on the bearing seats of the frame rollers 21 through bolts, one of the transition plates 210 is provided with a gear structure edge, the outer end of the flat roller binding machine frame 23 provided with the gear structure edge is provided with a rear working roller table 5, the transition plate 210 provided with the gear structure edge is clamped with the rear working roller table 5, and the transition plate 210 is used for supporting and guiding a billet.

As shown in fig. 5 to 6, a vertical roll system 112 is installed in the vertical roll mill stand 11, the vertical roll system 112 is installed in the vertical roll mill stand 11 in a sliding manner, a roll changing hydraulic cylinder 110 is hinged to one end of the vertical roll mill stand 11, and a roll changing slideway 113 is installed at the upper end of the vertical roll footing plate 12; the vertical roller mill stand 11 is slidably mounted on a roller changing slideway 113, and when the cylinder rod of the roller changing hydraulic cylinder 110 extends out, the vertical roller mill stand 11 is pushed out of the outer side of the vertical roller platform 13 to be used for quickly changing the vertical roller system 112.