CN100577313C

CN100577313C - Quick decomposing roll changing rolling mill

Info

Publication number: CN100577313C
Application number: CN200810010951A
Authority: CN
Inventors: 高国武
Original assignee: Individual
Current assignee: Individual
Priority date: 2008-04-08
Filing date: 2008-04-08
Publication date: 2010-01-06
Anticipated expiration: 2028-04-08
Also published as: CN101249513A

Abstract

The invention relates to a rolling mill capable of rapidly split-type changing rollers, which is characterized in that independent upper and lower crossbeams and two pillar parts are arranged on a pedestal and are embedded-type matched and connected with each other to form a split-type combined frame; a supporting roller bearing device is arranged on the top of the pillars; an upper and a lower roller lifting adjusting devices are arranged in the upper and the lower crossbeams; the upper crossbeam is connected with an upper slider through a connector; a power-driven pillar upward opening device is arranged on the top of the pillars; a power-driven pillar downward opening device is arranged on the pedestal; chutes are formed on the opposite side surfaces of the two pillars and are formed on the side surfaces of the upper and the lower sliders corresponding thereto; a door frame capable of sliding along the chutes is arranged in the chutes; and a door frame travel mechanism is arranged on the bottom of the door frame corresponding to the bottom surface of the lower slider in a lower shaft system. The rolling mill has the advantages of reasonable design, compact structure, lowered labor intensity, shortened frame disassembly time such as roller changing time, automatic control, rapid and simple roller changing operation, safe and reliable operation, convenient maintenance, etc.

Description

The milling train of quick decomposing roll changing

Technical field

The invention belongs to the roller mill equipment that comprises the pipe profile milling train, particularly a kind of milling train of quick decomposing roll changing.

Background technology

At present, roller mill has been widely used in the metallurgical industry, in order to enhance productivity, often adopts many milling trains to be combined into production line of rolling mill; And the structure of every bench roller formula milling train is by support, installs on support and makes the whole frame that is connected as a single entity by two columns and upper and lower crossbeam, in frame, be equiped with lower shaft system, side roller, side roller elevating adjusting device, on axle be.In production line of rolling mill, raw material enters from the first road milling train, and is rolling or be formed into finished product and come out from last one milling train through some roads.When specification changes, when roll reconditioning or maintenance, milling train all needs to carry out dismounting, the length of dismounting time and automaticity height directly influence the start production time of production line and the production cost of enterprise.Roller replacing mode commonly used has:

One, the pull-type roll change of single frame side; It is that the memorial archway of gantry operation side is pulled out together with bearing block, changes the roll on its roll shaft, and its operating process is: 1, unload the lower roller shaft locking nut, unclamp the pull bar and the fore side memorial archway set bolt that connect the both sides memorial archway.2, be pulled outwardly out the fore side memorial archway with artificial or employing specific purpose tool.3, pull out plug-in type edger roll roller box.4, roll is unloaded from roll shaft, and load onto the roll that to change, by opposite order frame is installed then.Though its spare part cost is lower, need online roll change, holding time is longer, maintain and replace inconveniences such as fixation side slipper bearing.

Two, drawer type roll change on the single frame roll shaft.It is that the loam cake of frame is opened, and up and down roll shaft is all pulled out on the frame together with its roll and bearing block and carried out roll change, and its operating process is: 1, unclamp the fixture of the inclined wedge type or the stay-bolt unscrewing type of memorial archway loam cake, hang away the memorial archway loam cake.2, adopt crane or roll change specific purpose tool will comprise roll one by one, bearing block is transported to the roll change district in interior axle system.3, carry out roll change or maintenance activity in the roll change district.It must will comprise roll one by one, and bearing block is transported to the roll change district in interior axle system, hangs out and return dress above memorial archway, though can online outer carry out roll change and maintenance work, be difficult for realizing automation, labour intensity is big, and holding time is longer.

Summary of the invention

The present invention is intended to the shortcoming and defect part that exists in above-mentioned technology, and provide not only reasonable in design, compact conformation, both reduced labour intensity, shorten the time of dismounting frames such as roll change again, realize control and fast roll changing automatically, and it is simple to have a roller replacing operation, safe and reliable, the milling train of a kind of quick decomposing roll changing easy to maintenance.

The objective of the invention is to adopt following technical scheme to realize: the milling train of described quick decomposing roll changing, comprise support, frame on support, lower shaft system on frame, the side roller, side roller elevating adjusting device and last axle are, it is characterized in that: the combined rack of installing split-type on support, the combined rack of described split-type is by entablature, the top roll elevating adjusting device, sill, the column of lower roll elevating adjusting device and both sides is formed, its entablature, the column of sill and both sides is all made separately independently part, between the column of described both sides, be assembled into the combined rack of split-type with embedded cooperation connection entablature and sill, the idler stand device is all installed at the column top of the described both sides that join with the entablature two ends, installing top roll elevating adjusting device in the entablature, by connector the top shoe in entablature and the last axle system is connected, in sill, installs the lower roll elevating adjusting device; The installing of the column top of described both sides by electronic or hydraulically powered column on closing device, in the side of the column of described both sides, in installing on the support by power-actuated column under closing device; Make the column of described both sides realize that it removes and close up by closing device under closing device on the column and the column; On the relative side of the column of described both sides, have chute, corresponding with this runner position, all have chute on the sliding block side in the upper and lower axle system of top shoe side in last axle is, in chute, put the door frame that can in chute, slide, the corresponding door frame bottom installing of the sliding block bottom surface in lower shaft system door frame walking mechanism.

Described top roll elevating adjusting device and lower roll elevating adjusting device, its each elevating adjusting device serve as reasons manual, electronic or hydraulic motor as power-actuated worm and gear elevating mechanism.

Described each idler stand device is made up of connecting plate and carrying roller, and carrying roller is made up of roller, bearing and axle, and the axle two ends ride on the connecting plate, and connecting plate is connected in the both sides of the column of described both sides.When entablature and column disengaging, entablature is dropped on the carrying roller of idler stand device.

Closing device is made up of power source and track under the described power-actuated column, and is corresponding with the column bottom position of described both sides, and the electronic or hydraulic pressure of installing is power source on support, is used for driving the column motion in orbit of described both sides.

Described door frame walking mechanism is made up of running roller groove, running roller and I# track, is distributed with the running roller groove in the door frame bottom surface, and is corresponding with running roller groove position, the parallel I# track of installing on support, and the running roller groove is built-in with running roller.

Principle of the present invention and operating process are in being described below: in order to realize fast roll changing, that changes as required rolls the rod requirement, and make a standby door frame in advance, and on standby door frame, install the axle system of corresponding qualified roll and slide block, and it is seated on the track that enters frame; Because the frame among the present invention is to adopt the combined rack of detachable; Each splits action and can finish with electronic, hydraulic-driven, can hand push button control, but also procedure auto-control; The column for the treatment of both sides is after open both sides, and all axle systems in door frame are whole to the unit operation side shifting, in moving process, and axle system and screwdown gear, main drive breaks away from.Can will comprise that the milling train axle system of all rolls shifts out outside the production line, is transported to the roll change district then and carries out roll change or maintenance this moment by dragging Transport Machinery.Meanwhile, just the standby door frame of having made in advance can be pushed and is contained in the frame of milling train, when entering frame, axle system and screwdown gear, drive unit connects, and column closes up and locks then.Be example with the Roll for HF welded Steel Pipe Mill below, describe roller replacing operation step of the present invention:

1, adjusts the lower roll elevating adjusting device, lower shaft system is fallen on the door frame, continue down the general who has surrendered and sill is lifted sill is lifted, thereby open being connected of sill and frame.

2, adjust side roller elevating adjusting device, make the side roller reduce to level altitude.

3, discharge entablature, make on the carrying roller of entablature landing idler stand device, adjust the top roll elevating adjusting device on the entablature, make axle system reduce to level altitude.

4, opening upper and lower column closing device throws off door and column.

5, door frame, shifts out to fore side along door frame walking mechanism track together with axle system.Move to the roll change district then and carry out roll change.Install the axle system of corresponding qualified roll and slide block on the standby door frame, be installed in advance in the other door frame, to reinstall all with above-mentioned opposite step, all roll change work is finished.

That described operating means can adopt is manual, electronic, hydraulic pressure is power, can adopt control methods such as numerical control, digital display, machinery to control.Combine the above technical measures of being taked, realize purpose of the present invention.

Compared with prior art, the present invention is not only reasonable in design, and compact conformation had both reduced labour intensity, shortened the time of dismounting frames such as roll change again, realizes control and fast roll changing automatically, and advantage such as it is simple, safe and reliable to have a roller replacing operation, easy to maintenance.

Description of drawings

The present invention has three width of cloth accompanying drawings.Wherein:

Accompanying drawing 1 is the main TV structure schematic diagram of the duty of specific embodiments of the invention;

Accompanying drawing 2 is side views of Fig. 1;

Accompanying drawing 3 is main TV structure schematic diagrames of the roll change state of specific embodiments of the invention.

Among the figure: 1, support, 2, sill, 3, sliding block, 4, the side roller, 5, top shoe, 6, entablature, 7, closing device on the column, 8, the idler stand device, 9, connected body, 10, side roller elevating adjusting device, 11, door frame, 12, closing device under the column, 13, I# track, 14, column, 15, steel pipe, 16, the running roller groove, 17, running roller, 18, chute, 19, track, 20, connecting plate, 21, carrying roller, 22, the worm and gear elevating mechanism.

The specific embodiment

Be specific embodiments of the invention shown in Fig. 1,2,3, it is the milling train of the quick decomposing roll changing installed in the Roll for HF welded Steel Pipe Mill production line; Its structure comprises support 1, frame on support 1, lower shaft system on frame, side roller 4, side roller elevating adjusting device 10 and last axle are, it is characterized in that: the combined rack of installing split-type on support 1, the combined rack of described split-type is by entablature 6, the top roll elevating adjusting device, sill 2, the column 14 of lower roll elevating adjusting device and both sides is formed, its entablature 6, the column 14 of sill 2 and described both sides is all made separately independently part, between the column 14 of described both sides, be assembled into the combined rack of split-type with embedded cooperation connection entablature 6 and sill 2, all install the idler stand device of forming by connecting plate 20 and carrying roller 21 8 with column 14 tops that the entablature two ends join, the top roll elevating adjusting device that installing is made up of motor and worm and gear elevating mechanism 22 in the entablature 6, by connector 9 top shoe 5 in entablature 6 and the last axle system is connected, in sill 2, installs the lower roll elevating adjusting device of forming by motor and worm and gear elevating mechanism 22; The installing of column 14 tops of described both sides by hydraulically powered column on closing device 7, in the outside of the column 14 of described both sides, in installing on the support 1 by hydraulically powered column under closing device 12; Make the column 14 of described both sides realize that it removes and close up by closing device 12 under closing device on the column 7 and the column; On the relative side of the column 14 of described both sides, have chute 18, corresponding with these chute 18 positions, all have chute 18 on sliding block 3 sides in the upper and lower axle system of top shoe 5 sides in last axle is, storing can make it along the door frame 11 that slides in chute 18, the door frame walking mechanism that corresponding door frame 11 bottoms, the sliding block 3 bottom surfaces installing in lower shaft system is made up of running roller groove 16, running roller 17 and I# track 13.

The above; it only is the preferable specific embodiment of the present invention; but protection scope of the present invention is not limited thereto; all are familiar with those skilled in the art in technical scope disclosed by the invention, are equal to replacement or change and all should be encompassed within protection scope of the present invention according to technical scheme of the present invention and design of the present invention thereof.

Claims

1, a kind of milling train of quick decomposing roll changing, comprise support (1), frame on support (1), lower shaft system on frame, side roller (4), side roller elevating adjusting device (10) and last axle are, it is characterized in that: the combined rack of going up the installing split-type at support (1), the combined rack of described split-type is by entablature (6), the top roll elevating adjusting device, sill (2), the column of lower roll elevating adjusting device and both sides (14) is formed, its entablature (6), the column (14) of sill (2) and described both sides is all made separately independently part, between the column (14) of described both sides, be assembled into the combined rack of split-type with embedded cooperation connection entablature (6) and sill (2), all install idler stand device (8) with column (14) top that entablature (6) two ends join, installing top roll elevating adjusting device in the entablature (6), by connector (9) top shoe (5) in entablature (6) and the last axle system is connected, in sill (2), installs the lower roll elevating adjusting device; The installing of column (14) top of described both sides by electronic or hydraulically powered column on closing device (7), in the side of the column (14) of described both sides, in support (1) go up installing by power-actuated column under closing device (12); Make the column (14) of described both sides realize that it removes and close up by closing device (12) under closing device on the column (7) and the column; On the relative side of the column (14) of described both sides, have chute (18), corresponding with this chute (18) position, all have chute (18) on sliding block (3) side in the upper and lower axle system of top shoe (5) side in last axle is, in chute (18), put the door frame (11) that makes it along sliding, the corresponding door frame in sliding block (3) bottom surface (11) the bottom installing door frame walking mechanism in lower shaft system.

2, press the milling train of the described quick decomposing roll changing of claim 1, it is characterized in that: described top roll elevating adjusting device and lower roll elevating adjusting device, its each elevating adjusting device serve as reasons manual, electronic or hydraulic motor as power-actuated worm and gear elevating mechanism (22).

3, press the milling train of the described quick decomposing roll changing of claim 1, it is characterized in that: described each idler stand device (8), form by connecting plate (20) and carrying roller (21), carrying roller (21) is made up of roller, bearing and axle, the axle two ends ride on the connecting plate (20), and connecting plate (20) is connected in the both sides of the column (14) of described both sides.

4, press the milling train of the described quick decomposing roll changing of claim 1, it is characterized in that: closing device (12) is made up of power source and track (19) under the described power-actuated column, corresponding with column (14) bottom position of described both sides, go up the electronic or hydraulic power supply of installing at support (1), be used for driving the motion of column (14) on track (19) of described both sides.

5, press the milling train of the described quick decomposing roll changing of claim 1, it is characterized in that: described door frame walking mechanism is made up of running roller groove (16), running roller (17) and I# track (13), be distributed with running roller groove (16) in door frame (11) bottom surface, corresponding with running roller groove (16) position, go up the parallel I# track (13) of installing in support (1), running roller groove (16) is built-in with running roller (17).