CN203209429U

CN203209429U - Cold rolling mill

Info

Publication number: CN203209429U
Application number: CN 201320173433
Authority: CN
Inventors: 吴玮; 顾斌
Original assignee: FUJIAN DAZHONG METAL Co Ltd
Current assignee: FUJIAN DAZHONG METAL Co Ltd
Priority date: 2013-04-09
Filing date: 2013-04-09
Publication date: 2013-09-25
Anticipated expiration: 2023-04-09

Abstract

The utility model discloses a cold rolling mill. The cold rolling mill comprises an upper supporting roll, an upper working roll, a lower working roll, a lower supporting roll, an upper intermediate roll and a lower intermediate roll, wherein the upper supporting roll, the upper working roll, the lower working roll and the lower supporting roll are located in the same vertical plane. A bending roll hydraulic cylinder and a bending roll cylinder block are arranged between the upper working roll and the lower working roll, and the bending roll cylinder block is fixed on a machine frame. The upper intermediate roll and the lower intermediate roll are fixed in another vertical plane in a direction opposite to a rolling cycle advancing direction of a strip and are arranged in an offset mode relative to the upper supporting roll, the upper working roll, the lower working roll and the lower supporting roll, a conveying table is arranged in a rolling direction of the upper working roll and the lower working roll, and a transmission chain is arranged on the conveying table. When the cold rolling mill is in cold rolling, a plate which is to be subjected to cold rolling is placed on a chain of a transmission device, the transmission chain is controlled through a console so as to drive the plate which is to be subjected to cold rolling to enter between the upper working roll and the lower working roll to be rolled, surface smoothness of the rolled plate is improved, and rolling thickness is uniform.

Description

Cold-rolling mill

Technical field

The utility model belongs to the cold-rolling mill equipment technical field, relates in particular to a kind of cold-rolling mill.

Background technology

Cold rolling is to be rolling raw material with the blank that hot rolling provides, behind the pickling scale removal, carry out cold continuous rolling etc., products characteristics through cold rolling process mainly is any surface finish, dimensional accuracy height, metal material after cold deformation, there is the phenomenon of work hardening in metal inside, intensity, hardness rising, the tough index of moulding of rolled piece are descended, therefore cold-rolled products should be through heat treatment, to eliminate historrhexis and the plasticity reduction phenomenon that cold rolling processing causes, punching performance will worsen, and can only be used for the part of simple deformation.

The milling train of the existing cold rolling usefulness of metallurgical processing industry does not generally possess the function of hot rolling, so the milling train that also needs an other cover hot rolling to use in the middle of the process that is rolled has so just increased the cost of making.

The utility model content

At the deficiencies in the prior art, the utility model provides a kind of and both can carry out cold rollingly, also can carry out hot rolling, thereby saves the cold-rolling mill of manufacturing cost.

In order to solve the problems of the technologies described above, the utility model adopts following technical scheme, a kind of cold-rolling mill is provided, comprise top backing up roll, top working roll, bottom working roll, lower support roller, go up intermediate calender rolls, following intermediate calender rolls, described top backing up roll, top working roll, bottom working roll, lower support roller are positioned at same vertical plane; Roller hydraulic cylinder and bending cylinder block are set between top working roll and the bottom working roll, and bending cylinder block is fixed on the frame; Last intermediate calender rolls and following intermediate calender rolls are fixed in rightabout another vertical plane of the band first rolling process direction of advance; Last intermediate calender rolls and following intermediate calender rolls are with respect to top backing up roll, top working roll, bottom working roll and lower support roller arranged offset; The rolling direction of described top working roll, bottom working roll is provided with transfer station, and transfer station is provided with driving-chain.

Wherein, described top working roll, bottom working roll are connected with console, power distribution cabinet in turn by control line, and described console also is connected with transfer station by control line.

Wherein, the described intermediate calender rolls of going up is 2-5mm with following intermediate calender rolls with respect to the distance that top backing up roll, top working roll, bottom working roll and lower support roller are offset.

Wherein, the roll surface diameter of described top working roll, bottom working roll and roll surface length ratio are 1/5～1/6.

The beneficial effects of the utility model are: described cold-rolling mill is when cold rolling; to treat that cold rolling plate is placed on the chain of transmission device; thereby drive by console control driving chain and to treat that cold rolling plate enters between described top working roll and the bottom working roll and be rolled; under certain roll-force effect, obtain satisfied rolled products; reduce required power; the rolled plate surface smoothness is improved; roll that to prolong thickness even; in lubricated; effective cooling and lubricated combination have been realized; can take away the rolling heat that produces in the cold-rolled process rapidly, protection roll and rolled piece.When hot rolling, only need remove top working roll and bottom working roll just can be finished diverse two procedures, thereby save manufacturing cost.

Description of drawings

Shown in Figure 1 is the structural representation of cold-rolling mill of the present utility model.

Label declaration:

Intermediate calender rolls 2 power distribution cabinets 3 top working rolls 4 consoles 5 on the top backing up roll 1

6 times intermediate calender rolls of bottom working roll, 7 lower support rollers, 8 transfer stations 9

The specific embodiment

By describing technology contents of the present utility model, structural feature in detail, realized purpose and effect, give explanation below in conjunction with embodiment and conjunction with figs. are detailed.

See also Fig. 1, a kind of cold-rolling mill that present embodiment provides, comprise top backing up roll 1, top working roll 4, bottom working roll 6, lower support roller 8, go up intermediate calender rolls 2, following intermediate calender rolls 7, described top backing up roll 1, top working roll 4, bottom working roll 6, lower support roller 8 are positioned at same vertical plane; Between top working roll 4 and the bottom working roll 6 roller hydraulic cylinder and bending cylinder block are set, bending cylinder block is fixed on the frame; Last intermediate calender rolls 2 and following intermediate calender rolls 7 are fixed in rightabout another vertical plane of the band first rolling process direction of advance; Last intermediate calender rolls 2 and following intermediate calender rolls 7 are with respect to top backing up roll 1, top working roll 4, bottom working roll 6 and lower support roller 8 arranged offset; The rolling direction of described top working roll 4, bottom working roll 6 is provided with transfer station 9, and transfer station 9 is provided with driving-chain.

Said apparatus is simple in structure, compact, reasonable, because last intermediate calender rolls 2, following intermediate calender rolls 7 do not move axially, easily manufactured, the reliability of milling train can be improved, owing to last intermediate calender rolls 2,7 assemblings of following intermediate calender rolls are assembled arranged offset with respect to working roll, the stability of milling train can be improved, adopt the intermediate calender rolls transmission, the diameter of working roll can be reduced, under the constant situation of roll-force, band as thin as a wafer can be rolled out.Described cold-rolling mill also disposes transfer station 9, transfer station 9 is provided with conveyer chain, in an improved embodiment, described top working roll 4, bottom working roll 6 are connected with console 5, power distribution cabinet 3 in turn by control line, and described console also is connected with transfer station 9 by control line.

Described cold-rolling mill in use, concrete process is, when cold rolling, to treat that cold rolling plate is placed on the driving-chain, by console control driving-chain, treat that cold rolling plate enters between described top working roll 4 and the bottom working roll 6 and be rolled thereby drive, power distribution cabinet 3 provides power for console and transfer station 9, working roll, under corresponding roll-force effect, can obtain the rolled products of being satisfied with, make product surface highly polished, roll that to prolong product thickness even.When hot rolling, only need take out described top working roll 4 and bottom working roll 6, change hot roll, thereby can finish the operation that originally on two machines, just can finish on the machine, greatly reduce the manufacturing expense of factory.Described cold-rolling mill can roll out dimensional accuracy in ± 0.03mm-0.2mm scope, has improved the operating rate of high speed panel production line, has reduced the specific yield production cost, has improved the business economic benefit.

In one embodiment, in order to improve the stability of milling train, the described intermediate calender rolls 2 of going up is 2-5mm with following intermediate calender rolls 7 with respect to the distance that top backing up roll 1, top working roll 4, bottom working roll 6 and lower support roller 8 are offset.In further improved embodiment, the roll surface diameter of described top working roll 4, bottom working roll 6 and roll surface length ratio are 1/5～1/6.Change working roll and backing roll contact stress state by the way, overcome harmful contact, the roll-bending device of cooperating roller, can roll out fabulous template, described cold-rolling mill adopts the intermediate calender rolls transmission, thereby the diameter of working roll can do smallerly, under the constant situation of roll-force and other conditions, can roll out ultra-thin strip.

The above only is embodiment of the present utility model; be not so limit claim of the present utility model; every equivalent structure or equivalent flow process conversion that utilizes the utility model specification and accompanying drawing content to do; or directly or indirectly be used in other relevant technical fields, all in like manner be included in the scope of patent protection of the present utility model.

Claims

1. cold-rolling mill is characterized in that: comprise top backing up roll, top working roll, bottom working roll, lower support roller, go up intermediate calender rolls, intermediate calender rolls down that described top backing up roll, top working roll, bottom working roll, lower support roller are positioned at same vertical plane;

Roller hydraulic cylinder and bending cylinder block are set between top working roll and the bottom working roll, and bending cylinder block is fixed on the frame;

Last intermediate calender rolls and following intermediate calender rolls are fixed in rightabout another vertical plane of the band first rolling process direction of advance; Last intermediate calender rolls and following intermediate calender rolls are with respect to top backing up roll, top working roll, bottom working roll and lower support roller arranged offset;

The rolling direction of described top working roll, bottom working roll is provided with transfer station, and transfer station is provided with driving-chain, and described top working roll, bottom working roll are connected with console, power distribution cabinet in turn by control line, and described console also is connected with transfer station by control line.

2. cold-rolling mill according to claim 1 is characterized in that: describedly go up intermediate calender rolls and following intermediate calender rolls is 2-5mm with respect to the distance that top backing up roll, top working roll, bottom working roll and lower support roller are offset.

3. cold-rolling mill according to claim 1, it is characterized in that: the roll surface diameter of described top working roll, bottom working roll and roll surface length ratio are 1/5～1/6.