CN207971207U - Mill intermediate calender rolls system axial direction positioning device - Google Patents

Mill intermediate calender rolls system axial direction positioning device Download PDF

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Publication number
CN207971207U
CN207971207U CN201721863433.5U CN201721863433U CN207971207U CN 207971207 U CN207971207 U CN 207971207U CN 201721863433 U CN201721863433 U CN 201721863433U CN 207971207 U CN207971207 U CN 207971207U
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roller
layer
bearing
calender rolls
rolling bearing
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CN201721863433.5U
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薛念辉
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Zhongzhong Science and Technology Tianjin Co Ltd
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Tianjin Zhongzhong Science Technology and Engineering Co Ltd
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Abstract

The utility model provides a kind of mill intermediate calender rolls system axial direction positioning device, including rack, transmission side roll shifting cylinder, fore side roll shifting cylinder, front door, back door, roller system and axial rolling bearing, roller system includes working roll and intermediate calender rolls system, the front door and back door are separately mounted to the both sides of rack, the outside installation operation side roll shifting cylinder at front door, the outside at back door is installed by transmission side roll shifting cylinder, the both ends of intermediate calender rolls system are equipped with axial rolling bearing, the wherein axial rolling bearing attended operation side roll shifting cylinder of one end, the axial rolling bearing of the other end connects transmission side roll shifting cylinder.Mill intermediate calender rolls described in the utility model system axial direction positioning device has the advantage that:Intermediate calender rolls system is convenient to be directly ground, and is not had to dismounting roller system, is simplified the structure of roller system, shaft strength is more efficient, bears to load with larger Impact direction, enhances the service life of bearing.

Description

Mill intermediate calender rolls system axial direction positioning device
Technical field
The utility model belongs to metallurgical mechanical equipment of steel rolling field, more particularly, to a kind of mill intermediate calender rolls system axis To positioning device.
Background technology
The production level of steel is to weigh the important symbol of a modernization of the country level.China's Iron & Steel Development quickly, Cold-strip steel occupies always important ratio in iron and steel output, is widely used in the fields such as civilian, industrial, building, subway, table Reveal excellent mechanical property.With economic rapid development, product yield demand is growing day by day, and product quality is more high-precision, Higher is required to production equipment, is highly desirable to improve equipment performance and production efficiency, therefore the structure function of milling train need to be reinforced With saving activity duration and roller system take-down time.
If cold rolling mill used at present has Sendzimir entirety memorial archway formula, tetra- columns of Sen Dewei and not insults Three kinds of mills such as traditional machine posture.For rolling the material of the high performance such as carbon steel, stainless steel, hard alloy, to roll Thin strip processed or ultra-thin strip.These types of mill has an intermediate calender rolls symmetrical above and below system and two intermediate calender rolls system groups respectively At two intermediate calender rolls are divided into two intermediate transmission rollers and two middle idler rollers.For using the roller system of push-push structure roll shifting among one, one Intermediate calender rolls both ends have bearing and bearing block to realize axially position, the thrust block pad CONTACT WITH FRICTION with roll shifting cylinder head.Among two Live-roller roller system, transmission side are connect with shaft coupling, and fore side one end has bearing and bearing block to realize in axially position, with front door Thrust block pad CONTACT WITH FRICTION.For two middle idler roller systems, both ends have bearing and bearing block to realize axially position, with roll shifting cylinder head Thrust block pad CONTACT WITH FRICTION.The center line of all bearings of roller system and one or two intermediate calender rolls center lines are to overlap, and are in same center On line, and it is connected to roll end, forms independent rollers system.
The utility model is broken the normal procedure mechanism, changes existing bearing and bearing block is fixed on roll, and by bearing and Bearing block is put on the roll shifting hydraulic cylinder brake pad on front/rear door and front/rear door, roller central line and the perpendicular shape of bearing axis State, the end of roll and the outer ring of bearing are in rolling friction state.In this case, one, two intermediate calender rolls are as working roll, In a kind of naked roll state, convenient directly grinding does not have to dismounting roller system, simplifies the structure of roller system.In addition from shaft strength From the point of view of, it bears to load with larger Impact direction, enhances the service life of bearing.
Invention content
In view of this, the utility model is directed to a kind of mill intermediate calender rolls system axial direction positioning device, can solve Above-mentioned technical problem.
In order to achieve the above objectives, the technical solution of the utility model is realized in:
A kind of mill intermediate calender rolls system axial direction positioning device, including rack, transmission side roll shifting cylinder, fore side roll shifting Cylinder, front door, back door, roller system and axial rolling bearing, roller system include working roll and intermediate calender rolls system, and the front door and back door are pacified respectively Outside mounted in the both sides of rack, the outside installation operation side roll shifting cylinder at front door, back door is installed by transmission side roll shifting cylinder, intermediate calender rolls system Both ends be equipped with axial rolling bearing, wherein the axial rolling bearing attended operation side roll shifting cylinder of one end, the thrust of the other end Bearing arrangement connects transmission side roll shifting cylinder.
Intermediate calender rolls system includes first intermediate roll, second layer middle idler roller, second layer intermediate transmission roller, and second layer centre is lazy Roller and second layer intermediate transmission roller are set to the outer layer of first intermediate roll, and for working roll in innermost layer, axial rolling bearing includes the Among one layer of intermediate axial rolling bearing, the second layer among axial rolling bearing, working roll axial rolling bearing and transmission side two Idler roller axial rolling bearing, the both ends setting first layer centre axial rolling bearing of first intermediate roll, second layer middle idler roller Fore side, second layer intermediate transmission roller fore side setting the second layer among axial rolling bearing, second layer middle idler roller Two middle idler roller axial rolling bearing of transmission side is arranged in transmission side, and the both ends of working roll are equipped with working roll axial rolling bearing.
Further, among the second layer axial rolling bearing include first bearing seat, axis pin, roller bearing, spacer and Baffle, first bearing seat are fixed on front door, and by axis pin through being fixed in first bearing seat, two are rolled two roller bearings Wheel bearing is in rolling contact with second layer intermediate transmission roll end and second layer middle idler roller end respectively, second layer intermediate transmission roller Center line and second layer middle idler roller center line with roller bearing center line in vertical state, between two roller bearings Equipped with spacer.
Further, the axis pin bottom is equipped with slot, is inserted into baffle in slot, baffle wedge is in first bearing seat lower end to pin Axis limits.
Further, two middle idler roller axial rolling bearing of the transmission side includes roller bearing, the first mandrel, nut and Two bearing bracket, second bearing seat are fixed on back door, and a roller bearing is fixed on second bearing by the first mandrel and nut On seat, the transmission side end of roller bearing and second layer middle idler roller is in rolling contact, the center line of second layer middle idler roller and rolling Wheel bearing center line is in vertical state.
Further, axial rolling bearing includes roller bearing, the second mandrel, bolt and 3rd bearing among the first layer The cylinder rod end of seat, transmission side roll shifting cylinder and fore side roll shifting cylinder is respectively and fixedly provided with thrust block pad, and 3rd bearing seat is fixed on thrust block pad On, two roller bearings are applied on the second mandrel, and the upper and lower ends of the second mandrel are bolted on 3rd bearing seat, In vertical state with roller bearing center line, the ends of two first intermediate rolls is respectively with two for the center line of first intermediate roll The outer ring of a roller bearing is in rolling contact.
Further, the axial line of the bolt and the center line of the second mandrel are mutually perpendicular to.
Further, the outer layer of the intermediate calender rolls system is equipped with one layer of backing roller.
Further, the roller system includes upper and lower two groups roller system arranged symmetrically units, and each roller system unit includes four backings Roller, two second layer intermediate transmission rollers, a second layer middle idler roller, two first intermediate rolls and a working roll, four Backing roller is located at outermost layer, and working roll is located at innermost layer, and two first intermediate rolls are in direct contact working roll, and second layer centre is lazy Roller is located between two first intermediate rolls.
Compared with the existing technology, mill intermediate calender rolls described in the utility model system axial direction positioning device has following Advantage:Intermediate calender rolls system is convenient to be directly ground, and is not had to dismantle roller system, is simplified the structure of roller system, and shaft strength is more efficient, with compared with Big Impact direction bears to load, and enhances the service life of bearing.
Description of the drawings
The attached drawing for constituting the part of the utility model is used to provide a further understanding of the present invention, this practicality is new The illustrative embodiments and their description of type are not constituted improper limits to the present invention for explaining the utility model. In attached drawing:
Fig. 1 is that the utility model applies the structural schematic diagram on milling train;
Fig. 2 is the right side structural representation at front door in Fig. 1;
Fig. 3 is the left view structural representation at back door in Fig. 1;
Fig. 4 is the schematic diagram (same letter expression same parts) of roller system arrangement;
Fig. 5 is the faces A-A sectional view in Fig. 2;
Fig. 6 is the faces B-B sectional view in Fig. 2;
Fig. 7 is the faces C-C sectional view in Fig. 3;
Reference sign:
1- transmission side roll shifting cylinders;The back doors 2-;3- second layer middle idler rollers;4- first intermediate rolls;5- working rolls;6- machines Frame;The front doors 7-;8- fore side roll shifting cylinders;Axial rolling bearing among 9- first layers;Axial rolling bearing among the 10- second layers; 11- working roll axial rolling bearings;Two middle idler roller axial rolling bearing of 12- transmission sides;13- backing rollers;Among the 14- second layers Live-roller;15- axis pins;16- roller bearings;17- spacers;18- first bearing seats;19- baffles;20- bolts;The second cores of 21- Axis;22- 3rd bearing seats;23- thrust block pads;24- nuts;The first mandrels of 25-;26- second bearing seats.
Specific implementation mode
It should be noted that in the absence of conflict, the feature in the embodiments of the present invention and embodiment can To be combined with each other.
In the description of the present invention, it should be understood that term "center", " longitudinal direction ", " transverse direction ", "upper", "lower", The orientation or positional relationship of the instructions such as "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of describing the present invention and simplifying the description, rather than indicate Or imply that signified device or element must have a particular orientation, with specific azimuth configuration and operation, therefore cannot understand For limitations of the present invention.In addition, term " first ", " second " etc. are used for description purposes only, and should not be understood as indicating Or it implies relative importance or implicitly indicates the quantity of indicated technical characteristic." first ", " second " etc. are defined as a result, Feature can explicitly or implicitly include one or more this feature.It is in the description of the present invention, unless another It is described, the meaning of " plurality " is two or more.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally Connection;It can be mechanical connection, can also be electrical connection;Can be directly connected, can also indirectly connected through an intermediary, It can be the connection inside two elements.For the ordinary skill in the art, on being understood by concrete condition State the concrete meaning of term in the present invention.
The utility model will be described in detail below with reference to the accompanying drawings and embodiments.
As shown in figs. 1-7, a kind of mill intermediate calender rolls system axial direction positioning device, including rack 6, transmission side roll shifting cylinder 1, fore side roll shifting cylinder 8, front door 7, back door 2, roller system and axial rolling bearing, roller system are mounted on bearing block, and roller system includes work Make roller 5 and intermediate calender rolls system, the front door 7 and back door 2 are separately mounted to the both sides of rack 6, the outside installation operation side at front door 7 Roll shifting cylinder 8, the outside installation transmission side roll shifting cylinder 1 at back door 2, the both ends of intermediate calender rolls system are equipped with axial rolling bearing, wherein one The axial rolling bearing attended operation side roll shifting cylinder 8 at end, the axial rolling bearing connection transmission side roll shifting cylinder 1 of the other end.
Intermediate calender rolls system includes first intermediate roll 4, second layer middle idler roller 3, second layer intermediate transmission roller 14, the second layer Middle idler roller 3 and second layer intermediate transmission roller 14 are set to the outer layer of first intermediate roll 4, and working roll 5 is in innermost layer, thrust bearing Device includes axial rolling bearing 9 among first layer, axial rolling bearing 10, working roll axial rolling bearing 11 among the second layer It is installed with the both ends setting first layer centre thrust shaft of two middle idler roller axial rolling bearing 12 of transmission side, first intermediate roll 4 9 are set, the fore side of second layer middle idler roller 3, the fore side setting second layer centre thrust bearing of second layer intermediate transmission roller 14 Device 10, the transmission side setting two middle idler roller axial rolling bearing 12 of transmission side of second layer middle idler roller 3, the two of working roll 5 End is equipped with working roll axial rolling bearing 11.
Axial rolling bearing 10 includes first bearing seat, axis pin, roller bearing, spacer and baffle among the second layer, First bearing seat 18 can be bolted on front door 7, and two roller bearings 16 are run through by axis pin 15 is fixed on first axle In bearing 18, two roller bearings 16 are rolled with 14 end of second layer intermediate transmission roller and 3 end of second layer middle idler roller respectively Contact, the center line of second layer intermediate transmission roller 14 and the center line of second layer middle idler roller 3 with 16 center line of roller bearing In vertical state, spacer 17 is equipped between two roller bearings 16.
15 bottom of the axis pin is equipped with slot, is inserted into baffle 19 in slot, baffle 19 is stuck in 18 lower end pair of first bearing seat Axis pin 15 limits.
Two middle idler roller axial rolling bearing 12 of the transmission side includes roller bearing 16, the first mandrel 25,24 and of nut Second bearing seat 26, second bearing seat 26 can be bolted on back door 2, and a roller bearing 16 passes through the first mandrel 25 It is fixed in second bearing seat 26 with nut 24, the transmission side end of roller bearing 16 and second layer middle idler roller 3, which rolls, to be connect It touches, the center line and 16 center line of roller bearing of second layer middle idler roller 3 are in vertical state.
Axial rolling bearing 9 includes roller bearing 16, the second mandrel 21, bolt 20 and third axis among the first layer The cylinder rod end of bearing 22, transmission side roll shifting cylinder 1 and fore side roll shifting cylinder 8 is respectively and fixedly provided with thrust block pad 23, and 3rd bearing seat 22 is solid It is scheduled on thrust block pad 23, two roller bearings 16 are applied on the second mandrel 21, and the upper and lower ends of the second mandrel 21 pass through bolt 20 are fixed on 3rd bearing seat 22, the center line of first intermediate roll 4 with 16 center line of roller bearing in vertical state, two Outer ring of the end of a first intermediate roll 4 respectively with two roller bearings 16 is in rolling contact.
The axial line of the bolt 20 and the center line of the second mandrel 21 are mutually perpendicular to.
The outer layer of the intermediate calender rolls system is equipped with one layer of backing roller 13.
The roller system includes upper and lower two groups and is symmetrical arranged roller system unit, and each roller system unit includes four backing rollers 13, two 14, one, a second layer intermediate transmission roller first intermediate roll 4 of second layer middle idler roller 3, two and a working roll 5, four Backing roller 13 is located at outermost layer, and working roll 5 is located at innermost layer, and two first intermediate rolls 4 are in direct contact working roll 5, the second layer Middle idler roller 3 is located between two first intermediate rolls 4.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model Protection domain within.

Claims (8)

1. a kind of mill intermediate calender rolls system axial direction positioning device, it is characterised in that:Including rack (6), transmission side roll shifting cylinder (1), fore side roll shifting cylinder (8), front door (7), back door (2), roller system and axial rolling bearing, roller system include working roll (5) and in Between roller system, the front door (7) and back door (2) are separately mounted to the both sides of rack (6), and the outside installation operation side of front door (7) is altered Roller cylinder (8), the outside installation transmission side roll shifting cylinder (1) of back door (2), the both ends of intermediate calender rolls system are equipped with axial rolling bearing, The axial rolling bearing of the axial rolling bearing attended operation side roll shifting cylinder (8) of middle one end, the other end connects transmission side roll shifting cylinder (1);
Intermediate calender rolls system includes first intermediate roll (4), second layer middle idler roller (3), second layer intermediate transmission roller (14), the second layer Middle idler roller (3) and second layer intermediate transmission roller (14) are set to the outer layer of first intermediate roll (4), working roll (5) in innermost layer, Axial rolling bearing includes axial rolling bearing (9) among first layer, axial rolling bearing (10), working roll stop among the second layer Two middle idler roller axial rolling bearing (12) of push shaft bearing apparatus (11) and transmission side, the both ends setting the of first intermediate roll (4) One layer of intermediate axial rolling bearing (9), the operation of the fore side, second layer intermediate transmission roller (14) of second layer middle idler roller (3) Axial rolling bearing (10) among the second layer is arranged in side, and two centres of transmission side setting transmission side of second layer middle idler roller (3) are lazy The both ends of roller axial rolling bearing (12), working roll (5) are equipped with working roll axial rolling bearing (11).
2. mill intermediate calender rolls according to claim 1 system axial direction positioning device, it is characterised in that:The second layer Intermediate axial rolling bearing (10) includes first bearing seat, axis pin, roller bearing, spacer and baffle, and first bearing seat (18) is solid It is scheduled on front door (7), two roller bearings (16) are run through by axis pin (15) to be fixed in first bearing seat (18), two idler wheels Bearing (16) is in rolling contact with second layer intermediate transmission roller (14) end and second layer middle idler roller (3) end respectively, the second layer The center line of intermediate transmission roller (14) and the center line of second layer middle idler roller (3) are perpendicular with roller bearing (16) center line State is equipped with spacer (17) between two roller bearings (16).
3. mill intermediate calender rolls according to claim 2 system axial direction positioning device, it is characterised in that:The axis pin (15) bottom is equipped with slot, is inserted into baffle (19) in slot, baffle (19) is stuck in first bearing seat (18) lower end to axis pin (15) Limit.
4. mill intermediate calender rolls according to claim 1 system axial direction positioning device, it is characterised in that:The transmission side Two middle idler roller axial rolling bearings (12) include roller bearing (16), the first mandrel (25), nut (24) and second bearing seat (26), second bearing seat (26) is fixed on back door (2), and a roller bearing (16) passes through the first mandrel (25) and nut (24) It being fixed in second bearing seat (26), roller bearing (16) and the transmission side end of second layer middle idler roller (3) are in rolling contact, the The center line and roller bearing (16) center line of two layers of middle idler roller (3) are in vertical state.
5. mill intermediate calender rolls according to claim 1 system axial direction positioning device, it is characterised in that:The first layer Intermediate axial rolling bearing (9) includes roller bearing (16), the second mandrel (21), bolt (20) and 3rd bearing seat (22), is passed The cylinder rod end of dynamic side roll shifting cylinder (1) and fore side roll shifting cylinder (8) is respectively and fixedly provided with thrust block pad (23), and 3rd bearing seat (22) is fixed On thrust block pad (23), two roller bearings (16) are applied on the second mandrel (21), and the upper and lower ends of the second mandrel (21) are logical It crosses bolt (20) to be fixed on 3rd bearing seat (22), center line and roller bearing (16) center line of first intermediate roll (4) In vertical state, outer ring of the end of two first intermediate rolls (4) respectively with two roller bearings (16) is in rolling contact.
6. mill intermediate calender rolls according to claim 5 system axial direction positioning device, it is characterised in that:The bolt (20) axial line and the center line of the second mandrel (21) are mutually perpendicular to.
7. mill intermediate calender rolls according to claim 1 system axial direction positioning device, it is characterised in that:The intermediate calender rolls The outer layer of system is equipped with one layer of backing roller (13).
8. mill intermediate calender rolls according to claim 1 system axial direction positioning device, it is characterised in that:The roller system packet It includes and is symmetrical arranged roller system unit for two groups up and down, each roller system unit includes four backing rollers (13), two second layer intermediate transmissions Roller (14), a second layer middle idler roller (3), two first intermediate rolls (4) and a working roll (5), four backing rollers (13) it is located at outermost layer, working roll (5) is located at innermost layer, and two first intermediate rolls (4) are in direct contact working roll (5), and second Layer middle idler roller (3) is located between two first intermediate rolls (4).
CN201721863433.5U 2017-12-27 2017-12-27 Mill intermediate calender rolls system axial direction positioning device Active CN207971207U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201721863433.5U CN207971207U (en) 2017-12-27 2017-12-27 Mill intermediate calender rolls system axial direction positioning device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201721863433.5U CN207971207U (en) 2017-12-27 2017-12-27 Mill intermediate calender rolls system axial direction positioning device

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108015110A (en) * 2017-12-27 2018-05-11 天津市中重科技工程有限公司 Mill intermediate calender rolls system axial direction positioning device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108015110A (en) * 2017-12-27 2018-05-11 天津市中重科技工程有限公司 Mill intermediate calender rolls system axial direction positioning device
CN108015110B (en) * 2017-12-27 2024-04-09 中重科技(天津)股份有限公司 Axial positioning device for intermediate roll system of twenty-high rolling mill

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Address after: No.16, Jingxiang Road, Science Park, Beichen District, Tianjin, 300409

Patentee after: Zhongzhong Technology (Tianjin) Co.,Ltd.

Address before: No.16, Jingxiang Road, Science Park, Beichen District, Tianjin, 300409

Patentee before: TIANJIN ZHONGZHONG SCIENCE TECHNOLOGY & ENGINEERING Co.,Ltd.

CP01 Change in the name or title of a patent holder