CN101264482B - Series changing multi-stage rolling machine - Google Patents
Series changing multi-stage rolling machine Download PDFInfo
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- CN101264482B CN101264482B CN2008100835890A CN200810083589A CN101264482B CN 101264482 B CN101264482 B CN 101264482B CN 2008100835890 A CN2008100835890 A CN 2008100835890A CN 200810083589 A CN200810083589 A CN 200810083589A CN 101264482 B CN101264482 B CN 101264482B
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- working roll
- roll
- backing
- intermediate calender
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B13/00—Metal-rolling stands, i.e. an assembly composed of a stand frame, rolls, and accessories
- B21B13/02—Metal-rolling stands, i.e. an assembly composed of a stand frame, rolls, and accessories with axes of rolls arranged horizontally
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B13/00—Metal-rolling stands, i.e. an assembly composed of a stand frame, rolls, and accessories
- B21B13/02—Metal-rolling stands, i.e. an assembly composed of a stand frame, rolls, and accessories with axes of rolls arranged horizontally
- B21B13/04—Three-high arrangement
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B27/00—Rolls, roll alloys or roll fabrication; Lubricating, cooling or heating rolls while in use
- B21B27/06—Lubricating, cooling or heating rolls
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B27/00—Rolls, roll alloys or roll fabrication; Lubricating, cooling or heating rolls while in use
- B21B27/06—Lubricating, cooling or heating rolls
- B21B27/10—Lubricating, cooling or heating rolls externally
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B31/00—Rolling stand structures; Mounting, adjusting, or interchanging rolls, roll mountings, or stand frames
- B21B31/07—Adaptation of roll neck bearings
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B31/00—Rolling stand structures; Mounting, adjusting, or interchanging rolls, roll mountings, or stand frames
- B21B31/08—Interchanging rolls, roll mountings, or stand frames, e.g. using C-hooks; Replacing roll chocks on roll shafts
Abstract
The invention relates to a series handover multistage rolling machine, including a first working roller, a second working roller, a first support roller group, a second support roller group and two roller-type bearings. The first working roller is configured at one surface side of a supplied workpiece to contact with a surface of the workpiece. The second working roller is configured at another surface side of the workpiece in a way of being parallel to the first working roller to contact with another surface of the workpiece. The first support roller group is configured at one surface side of the workpiece in a mutually parallel way and formed by being driven by a plurality of support rollers of the first working roller directly or indirectly. The second support roller group is configured at another surface side of the workpiece in a mutually parallel way and formed by being driven by a plurality of support rollers of the second working roller directly or indirectly. The two roller-type bearings are respectively configured at two ends of the first working roller and the second working roller and contacted with two end surfaces of the first working roller and the second working roller separately, and the two roller-type bearings are permitted to rotate in the mutually opposite directions of each working roller and support each working roller in a pushing direction.
Description
Technical field
The present invention relates to series changing multi-stage rolling machine.
The Japanese patent application that the present invention is based on application on March 14th, 2007 is advocated priority 2007-64689 number, has quoted its content here.
Background technology
In order to improve the shape control and the rolling rate of rolled material, the various multi-stage rolling machines (X type grinding machine) that working roll is up and down supported with two backing rolls have respectively been proposed.
In multi-stage rolling machine, the diameter of working roll is more little, progression is many more, can obtain high rolling rate more and for the high rolling load of hard material, but the outward appearance (shape and surface roughness) that the stability of rolling, rolling speed and rolling form descends.Otherwise and the diameter of working roll is big more, progression is few more, can realize the outward appearance of good rolling stability, rolling speed and rolled material more, but high rolling difficulty, and rolling load diminishes.
Therefore, expect to have a kind of multi-stage rolling machine, use same roller mill, can satisfy following whole requirements, the stability of promptly high rolling rate and high rolling load, rolling, high speed rolling, high-quality outward appearance.
For such expectation, a kind of series changing multi-stage rolling machine has been proposed, in same roller mill, can carry out the assembling of working roll in the short time easily replaces, and be transformed to the progression of the diameter that is suitable for working roll simultaneously, can satisfy following whole requirement thus, the stability of promptly high rolling rate and high rolling load, rolling, high speed rolling, high-quality outward appearance (opening flat 10-175002 communique) with reference to the spy.
But, in patent documentation 1 in the disclosed technology, under the situation that diameter at working roll is little, progression is many, need in the space of being limited (framework), dispose the axle box of support works roller and the axle box of support intermediate calender rolls respectively, so the axle box of support works roller (bearing) diminishes.Thus, can not increase rolling load (thrust load) and bending load, the problem that the plate shape control ability when therefore rolling being arranged reduces.
And, when changing working roll and intermediate calender rolls,, the problem that becomes complicated structure is arranged for the axle box that does not make them interferes with each other.And, also must be under the situation of only changing working roll with the problem of dismountings such as intermediate calender rolls even exist.
Summary of the invention
The present invention proposes in view of the above-mentioned problems, and its purpose is to provide a kind of series changing multi-stage rolling machine, even under the many situations of progression, also can apply big thrust load and bending load on working roll.
And its purpose is to provide a kind of series changing multi-stage rolling machine, and is simple in structure, the easy switching of progression, and can only carry out the replacing of working roll.
Series changing multi-stage rolling machine of the present invention has the 1st working roll, the 2nd working roll, the 1st backing roll group, the 2nd backing roll group and two roll shape bearings.Above-mentioned the 1st working roll is configured in a face side of the workpiece that is supplied to along predetermined path, contacts with a surface of above-mentioned workpiece.Above-mentioned the 2nd working roll disposes in the mode parallel with above-mentioned the 1st working roll in another face side of above-mentioned workpiece, and contacts with another surface of above-mentioned workpiece.Above-mentioned the 1st backing roll group disposes in the mode that is parallel to each other in a face side of above-mentioned workpiece, is made of a plurality of backing rolls that are driven in above-mentioned the 1st working roll directly or indirectly.Above-mentioned the 2nd backing roll group disposes in the mode that is parallel to each other in another face side of above-mentioned workpiece, is made of a plurality of backing rolls that are driven in above-mentioned the 2nd working roll directly or indirectly.Above-mentioned two roll shape bearings are configured in the two ends of above-mentioned the 1st working roll and above-mentioned the 2nd working roll respectively, both ends of the surface with above-mentioned the 1st, the 2nd working roll contact respectively, allow the rotation to mutually opposite direction of above-mentioned the 1st, the 2nd working roll, and limit the moving towards thrust direction of above-mentioned the 1st, the 2nd working roll.
In series changing multi-stage rolling machine of the present invention, above-mentioned two roll shape bearings can be supported on two backing roll axle boxes at the two ends of supporting above-mentioned a plurality of backing rolls that above-mentioned the 1st backing roll group comprised respectively or support on two backing roll axle boxes at two ends of above-mentioned a plurality of backing rolls that above-mentioned the 2nd backing roll group comprised.
In series changing multi-stage rolling machine of the present invention, one in above-mentioned two roll shape bearings can be supported on the above-mentioned backing roll axle box from the end face of the side above-mentioned the 1st, the 2nd working roll with leaving.
In series changing multi-stage rolling machine of the present invention, one in above-mentioned two roll shape bearings can be supported in the opening mechanism on the above-mentioned backing roll axle box in the mode with the end face of crossing over the side in above-mentioned the 1st, the 2nd working roll of being configured in.In this case, the above-mentioned opening mechanism end face that is preferably in the side from above-mentioned the 1st, the 2nd working roll under the state of opening leaves towards the axial direction that is different from above-mentioned the 1st, the 2nd working roll.
Series changing multi-stage rolling machine of the present invention can possess working roll and change chassis, and this working roll is changed the portion of travelling that chassis has the handle part of the end of controlling the side in above-mentioned the 1st, the 2nd working roll and supports above-mentioned handle part and can move on the direction of principal axis of above-mentioned the 1st, the 2nd working roll.
Series changing multi-stage rolling machine of the present invention can possess the 1st intermediate calender rolls group, the 2nd intermediate calender rolls group and increase (increase) uses crooked cylinder.Above-mentioned the 1st intermediate calender rolls group disposes in the mode that is parallel to each other in a face side of above-mentioned workpiece, is made of a plurality of intermediate calender rolls that are driven in above-mentioned the 1st working roll between the above-mentioned a plurality of backing rolls and above-mentioned the 1st working roll that are comprised between above-mentioned the 1st backing roll group, with above-mentioned a plurality of backing rolls.Above-mentioned the 2nd intermediate calender rolls group disposes in the mode that is parallel to each other at the another side of above-mentioned workpiece, is made of a plurality of intermediate calender rolls that are driven in above-mentioned the 2nd working roll between the above-mentioned a plurality of backing rolls and above-mentioned the 2nd working roll that are comprised between above-mentioned the 2nd backing roll group, with above-mentioned a plurality of backing rolls.Above-mentioned increase is separately positioned on two intermediate calender rolls axle boxes at the two ends of supporting the above-mentioned intermediate calender rolls that above-mentioned the 1st intermediate calender rolls group comprised with crooked cylinder or supports on two intermediate calender rolls axle boxes at two ends of the above-mentioned intermediate calender rolls that above-mentioned the 2nd intermediate calender rolls group comprised, and makes above-mentioned a plurality of intermediate calender rolls bending.
Series changing multi-stage rolling machine of the present invention can possess the 1st intermediate calender rolls group, the 2nd intermediate calender rolls group and reduce (decrease) and use crooked (amount of deflection) cylinder.Above-mentioned minimizing is separately positioned on the above-mentioned backing roll axle box with crooked cylinder, makes above-mentioned a plurality of intermediate calender rolls bendings (deflection).
Series changing multi-stage rolling machine of the present invention can possess respectively the injection portion towards above-mentioned the 1st, the 2nd working roll atomizing of liquids.In this case, above-mentioned injection portion preferably can adjust the injection direction of aforesaid liquid.
According to series changing multi-stage rolling machine of the present invention, be provided with two roll shape bearings that are configured in above-mentioned the 1st working roll and the two ends of above-mentioned the 2nd working roll, contact with the both ends of the surface of above-mentioned the 1st, the 2nd working roll respectively, therefore compare with the situation that working roll is supported on the axle box, can bear big thrust load.Simultaneously, also can bear big bending load.
Two roll shape bearings are supported on two backing roll axle boxes that support the 1st backing roll group respectively or support on two backing roll axle boxes of the 2nd backing roll group, can realize the simplification of the structure of roller mill thus.
The end face of the side of a side from above-mentioned the 1st, the 2nd working roll in two roll shape bearings is left, can carry out the replacing of the 1st, the 2nd working roll thus.
Side in two roll shape bearings the mode with the end face of crossing over the side in the 1st, the 2nd working roll of being configured in is supported in the opening mechanism on the side of backing roll axle box, opening mechanism is under the state of opening, above-mentioned roll shape bearing is left towards the axial direction that is different from working roll from a side's of working roll end face, therefore can carry out the replacing of the 1st, the 2nd working roll more easily.
Change chassis by possessing working roll, can realize the high efficiency of the replacing operation of the 1st, the 2nd working roll.
The increase of military order intermediate calender rolls bending is separately positioned on two intermediate calender rolls axle boxes at the two ends of supporting the above-mentioned intermediate calender rolls that above-mentioned the 1st intermediate calender rolls group comprised with crooked cylinder or supports on two intermediate calender rolls axle boxes at two ends of the above-mentioned intermediate calender rolls that above-mentioned the 2nd intermediate calender rolls group comprised, make the 1st, the 2nd working roll crooked indirectly thus, can carry out the thickness of slab control of rolled material.
And, will the minimizing of intermediate calender rolls bending be separately positioned on the backing roll axle box with crooked cylinder, also can control with the above-mentioned thickness of slab that similarly carries out rolled material.
Can adjust the injection direction of liquid respectively towards the injection portion of above-mentioned the 1st, the 2nd working roll atomizing of liquids, so under the situation that the diameter of the 1st, the 2nd working roll all changes owing to switch the progression of roller, also can make liquid reliably attached on each working roll.
Description of drawings
Fig. 1 is the side view that the state when series changing multi-stage rolling machine of the present invention constituted 10 grades roughly is shown.
Fig. 2 is the side view that the state when series changing multi-stage rolling machine of the present invention constituted 6 grades roughly is shown.
Fig. 3 is the three-dimensional cutaway view of the series changing multi-stage rolling machine when 10 level structures are shown.
Fig. 4 is the front view of the series changing multi-stage rolling machine when 10 level structures are shown.
Fig. 5 is the figure of the action of explanation working roll and perpendicular roller bearing.
Fig. 6 is the vertical view that the structure of perpendicular roller bearing is shown.
Fig. 7 is the front view that the structure of perpendicular roller bearing is shown.
Fig. 8 is the figure that employed working roll replacing chassis when making series changing multi-stage rolling machine switch progression is shown.
Fig. 9 is the figure of working roll that the roller mill when 10 grades constitute the is shown injection portion when spraying attached rolling lubricating oil.
Figure 10 is the figure of working roll that the roller mill when 6 grades constitute the is shown injection portion when spraying attached rolling lubricating oil.
The specific embodiment
Below, the embodiment of series changing multi-stage rolling machine of the present invention is described with reference to accompanying drawing.
Fig. 1 is the side view of the series changing multi-stage rolling machine 1 when 10 grades of formations roughly are shown.Fig. 2 is the side view of the series changing multi-stage rolling machine 1 when 6 grades of formations roughly are shown.Fig. 3 is the three-dimensional cutaway view of the series changing multi-stage rolling machine 1 when 10 grades of formations are shown.
Series changing multi-stage rolling machine 1 is that can to switch to the diameter of working roll 52,53 as required little and diameter progression is many (10 grades) structure (with reference to Fig. 1) and working roll 82,83 is big and the multi-stage rolling machine of the structure (with reference to Fig. 2) of progression few (6 grades).
As shown in Figure 1, series changing multi-stage rolling machine 1 possesses working roll (being equivalent to the 1st working roll of the present invention) 52 under the situation of 10 level structures, working roll (being equivalent to the 2nd working roll of the present invention) 53, by two backing rolls 12, the 13 backing roll groups (being equivalent to the 1st backing roll group of the present invention) 10 that constitute, by two backing rolls 22, the 23 backing roll groups (being equivalent to the 2nd backing roll group of the present invention) 20 that constitute, by two intermediate calender rolls 32, the 33 intermediate calender rolls groups (being equivalent to the 1st intermediate calender rolls group of the present invention) 30 that constitute, and by two intermediate calender rolls 42, the 43 intermediate calender rolls groups (being equivalent to the 2nd intermediate calender rolls group of the present invention) 40 that constitute.
Two backing rolls 12,13 that backing roll group 10 is comprised in the upper surface side of rolled material S to be parallel to each other and the mode parallel with working roll 52 disposes.The both ends of backing roll 12,13 can be supported on respectively on two axle boxes 14 at the place, two ends that is configured in this backing roll 12,13 respectively with rotating freely.Axle box 14 is supported for the inwall that is opposite to framework 5 and contacts, and can move up and down with respect to framework 5.Thus, backing roll 12,13 is supported for the relation ground, relative position that can keep both and moves up at upper and lower with respect to framework 5.
Two backing rolls 22,23 that backing roll group 20 is comprised in the lower face side of rolled material S to be parallel to each other and the mode parallel with working roll 53 disposes.The both ends of backing roll 22,23 can be supported on two axle boxes 24 at the two ends that are configured in this backing roll 22,23 respectively respectively with rotating freely.Axle box 24 is supported for the inwall that is opposite to framework 5 and contacts, and can move up and down with respect to framework 5.Thus, backing roll 22,23 is supported for the relation ground, relative position that can keep both and moves up at upper and lower with respect to framework 5.
Two intermediate calender rolls 32,33 that intermediate calender rolls group 30 is comprised in the upper surface side of rolled material S to be parallel to each other and the mode parallel with working roll 52 disposes.The both ends of intermediate calender rolls 32,33 can be supported on two axle boxes 34 at the two ends that are configured in this intermediate calender rolls 32,33 respectively respectively with rotating freely.Intermediate calender rolls 32 is between working roll 52 and backing roll 12, and intermediate calender rolls 33 is between working roll 52 and backing roll 13.Axle box 34 is entrenched in the recess of the lower surface that is formed on axle box 14.Thus, intermediate calender rolls 32,33 is supported for the relation ground, relative position that can keep both and moves up at upper and lower with respect to framework 5 with backing roll 12,13.
Two intermediate calender rolls 42,43 that intermediate calender rolls group 40 is comprised in the lower face side of rolled material S to be parallel to each other and the mode parallel with working roll 53 disposes.The both ends of intermediate calender rolls 42,43 can be supported on two axle boxes 44 at the two ends that are configured in this intermediate calender rolls 42,43 respectively respectively with rotating freely.Intermediate calender rolls 42 is between working roll 53 and backing roll 22, and intermediate calender rolls 43 is between working roll 53 and backing roll 23.Axle box 44 is entrenched in the recess of the upper surface that is formed on axle box 24.Thus, intermediate calender rolls 42,43 is supported for the relation ground, relative position that can keep both and moves up at upper and lower with respect to framework 5 with backing roll 22,23.
Working roll 52 is between the upper surface and intermediate calender rolls 32,33 of rolled material S, and three different around places contact respectively with intermediate calender rolls 32,33 with rolled material S, thus, rotatably are supported on definite position.On the other hand, working roll 53 is between the lower surface and intermediate calender rolls 42,43 of rolled material S, and three different places around contact respectively with intermediate calender rolls 42,43 with rolled material S, thus, rotatably are supported on definite position.Thus, working roll 52 is driven in the rolled material S that supplies with and to same direction rotation on predetermined direction, and working roll 53 is driven in rolled material S and to the direction rotation opposite with working roll 52.
On two axle boxes 14, dispose the minimizing that makes intermediate calender rolls 32,33 bendings respectively with crooked cylinder 16.And, on two axle boxes 24, dispose the minimizing that makes intermediate calender rolls 42,43 bendings respectively with crooked cylinder (not shown).Use to reduce and use crooked cylinder, on working roll 52, act on bending moment, on working roll 53, act on bending moment, thus, make working roll 52,53 bendings respectively, can carry out shape control rolled sheet S via intermediate calender rolls 42,43 via intermediate calender rolls 32,33.
On two axle boxes 34, dispose the increase that makes intermediate calender rolls 32,33 bendings respectively with crooked cylinder (not shown).And, on two axle boxes 44, dispose the increase that makes intermediate calender rolls 42,43 bendings respectively with crooked cylinder 46.
As mentioned above, working roll 52,53 disposes two perpendicular roller bearings 54,57 respectively across rolled sheet S level and configuration abreast at the two ends of working roll 52,53.Perpendicular roller bearing 54,57 contacts with the both ends of the surface of working roll 52,53 respectively, the moving towards thrust direction of restraint of labour roller 52,53.
Working roll 52 forms longer than intermediate calender rolls 32,33.More exactly, the length between both ends in the framework 5 of being housed in of working roll 52 forms shorter than backing roll 12,13, and longer than intermediate calender rolls 32,33.Similarly, working roll 53 forms longlyer than intermediate calender rolls 42,43.More exactly, the length between both ends in the framework 5 of being housed in of working roll 53 forms shorter than backing roll 22,23, and longer than intermediate calender rolls 42,43.Thus, the two ends of working roll 52 are all outstanding laterally than the axle box 34 that supports intermediate calender rolls 32,33, and are configured to be accommodated in the framework 5.And the two ends of working roll 53 are all outstanding laterally than the axle box 44 that supports intermediate calender rolls 42,43, and be configured to be accommodated in the framework 5 (with reference to Fig. 4 etc.).
Fig. 4 is the front view of the series changing multi-stage rolling machine 1 when 10 grades of formations are shown.Fig. 5 is the figure of the action of explanation working roll 52,53 and perpendicular roller bearing 54,57.Fig. 6 is the vertical view that the structure of perpendicular roller bearing 54,57 is shown.Fig. 7 is the front view that the structure of perpendicular roller bearing 54,57 is shown.
The support portion 59 that the support portion 56 that perpendicular roller bearing 54 has perpendicular roller 55 and can support perpendicular roller 55 around the rotating shaft vertical with rolled material S with rotating freely, perpendicular roller bearing 57 have perpendicular roller 58 and can support perpendicular roller 58 around the rotating shaft vertical with rolled material S with rotating freely.
As shown in Figure 4, perpendicular roller 55 is configured to contact simultaneously with a side's of a side's of working roll 52 end face 52s and working roll 53 end face 53s.And perpendicular roller 58 is configured to contact simultaneously with the opposing party's of working roll 52 end face 52s and the opposing party's of working roll 53 end face 53s.In more detail, perpendicular roller 55 is for the working roll 52 of the upside that is configured in rolled sheet S, contact with the zone than the axial rotary downside of working roll 52 among its end face 52s, for the working roll 53 of the downside that is configured in rolled sheet S, contact with the zone than the axial rotary upside of working roll 53 among its end face 53s.And, perpendicular roller 58 is for the working roll 52 of the upside that is configured in rolled sheet S, contact with the zone than the axial rotary downside of working roll 52 among its end face 52s, for the working roll 53 of the downside that is configured in rolled sheet S, contact with the zone than the axial rotary upside of working roll 53 among its end face 53s.
As shown in Figure 5, if supply with rolled sheet S between a pair of working roll 52,53, then working roll 52,53 rotates (vertical rotation) along with advancing of rolled sheet S.Working roll 53 is towards the direction rotation opposite with working roll 52.
The make progress zone of side of the ratio rotating shaft of the zone of perpendicular roller 55 and the downward side of ratio rotating shaft of a side's of working roll 52 end face 52s and a side's of working roll 53 end face 53s contact, and the make progress zone of side of the ratio rotating shaft that erects the zone of roller 58 and the downward side of ratio rotating shaft of the opposing party's of working roll 52 end face 52s and the opposing party's of working roll 53 end face 53s contacts.Thus, perpendicular roller 55,58 rotates (horizontal rotation) along with the rotation of working roll 52,53.
Like this, dispose perpendicular roller bearing 54,57 respectively by the two ends at a pair of working roll 52,53, rotatably the support works roller 52,53, and can retrain moving and the thrust load of support works roller 52,53 axially.
And as mentioned above, working roll 52 forms longer than intermediate calender rolls 32,33, and working roll 53 forms longer than intermediate calender rolls 42,43.And the two ends of working roll 52 are more outstanding laterally than the axle box 34 that supports intermediate calender rolls 32,33, and the two ends of working roll 53 are more outstanding laterally than the axle box 44 that supports intermediate calender rolls 42,43.A pair of perpendicular roller bearing 54,57 is configured in than in axle box 34,44 space in the outer part, therefore, does not interfere with axle box 34,44.Thus, the diameter of each perpendicular roller 55,58 can be set at size arbitrarily, can conveniently and support big thrust load reliably.
The support portion 56 of perpendicular roller bearing 54 links with the upper surface of a side's of a side's who supports backing roll 22 end axle box 24, and the support portion 59 of perpendicular roller bearing 57 links with the upper surface of the opposing party's of the opposing party's who supports backing roll 23 end axle box 24.Support portion 56 cross over a pair of working roll 52,53 a side end face 52s, 53s and be supported on a side the axle box 24, support portion 59 cross over a pair of working roll 52,53 the opposing party end face 52s, 53s and be supported on the opposing party's the axle box 24.
And perpendicular roller 55 can rotate freely the earth's axis and be supported on the support portion 56, and perpendicular roller 58 can be rotated freely the earth's axis and be supported on the support portion 59.
And as mentioned above, working roll 52 forms shorter than backing roll 12,13, and longer than intermediate calender rolls 32,33, working roll 53 forms shorter than backing roll 22,23, and longer than intermediate calender rolls 42,43, therefore, perpendicular roller bearing 54,57 is accommodated in respectively in the framework 5, and is not outstanding to the space in the outside of framework 5.
The two ends of the support portion 56 of perpendicular roller bearing 54 screw thread securely are fixed on the axle box 24, thereby can not be disassembled.
In the perpendicular roller bearing 57, a side's of support portion 59 end can be supported on a side the axle box 24 with rotating freely, and the opposing party's end is supported on the opposing party's the axle box 24 via locking mechanism 28.Thus, work as opening mechanism in the support portion 59 of perpendicular roller bearing 57.That is, be supported on via locking mechanism 28 in the end with the opposing party under the situation on the opposing party's the axle box 24, the two ends of support portion 59 are supported on the axle box 24 securely.Thus, can roller 58 end face 52s, the 53s butt with the opposing party of a pair of working roll 52,53 will be erected.On the other hand, under the situation of mechanism 28 that unlocks, make that support portion 59 is that the center is rotated with the end of one side, can make perpendicular roller 58 (perpendicular roller bearing 57) leave from the opposing party's of a pair of working roll 52,53 end face 52s, 53s.
As shown in Figure 6, rotate about 90 ° with respect to axle box 24, the perpendicular roller bearing 57 that comprises perpendicular roller 58 is kept out of the way from the opposing party's of a pair of working roll 52,53 end face 52s, the front of 53s by the support portion 59 that will erect roller bearing 57.
After perpendicular roller bearing 57 is kept out of the way, control and pull the opposing party's of a pair of working roll 52,53 end, then a pair of working roll 52,53 can be fetched into outside the framework 5 to the direction of principal axis (directions that perpendicular roller bearing 57 exists) of working roll 52,53.Otherwise, a pair of working roll 52,53 can be inserted into framework 5.
As shown in Figure 2, series changing multi-stage rolling machine 1 under the situation of 6 level structures, the backing roll group (being equivalent to the 1st backing roll group of the present invention) 60 that possesses working roll (being equivalent to the 1st working roll of the present invention) 82, working roll (being equivalent to the 2nd working roll of the present invention) 83, constitutes by two backing rolls 62,63, the backing roll group (being equivalent to the 2nd backing roll group of the present invention) 70 that constitutes by two backing rolls 62,63.
Under the situation of 6 level structures, there is not intermediate calender rolls, so the diameter of working roll 82,83 is bigger than the diameter of working roll 52,53.And, do not have the axle box that is used to support intermediate calender rolls, two axle boxes 85 at two axle boxes at the two ends that are provided with support works roller 82 of replacing and the two ends of support works roller 83.
Working roll 82 is configured in the upper surface side of rolled material S, and contacts with this upper surface.The both ends of working roll 82 can be supported on two axle boxes 84 at the two ends that are configured in working roll 82 respectively respectively with rotating freely.Axle box 84 is supported for the lower surface of axle box 64 and contacts, and contacts with the inwall that is opposite to framework 5, can move up and down with respect to framework 5 with axle box 64.
Working roll 83 disposes in the mode parallel with working roll 82 in the lower face side of rolled material S, and contacts with the lower surface of rolled material S.The both ends of working roll 83 can be supported on two axle boxes 85 at the two ends that are configured in working roll 83 respectively respectively with rotating freely.Axle box 85 is supported for the upper surface of axle box 74 and contacts, and contacts with the inwall that is opposite to framework 5, can move up and down with respect to framework 5 with axle box 74.
Two backing rolls 62,63 that backing roll group 60 is comprised in the upper surface side of rolled material S to be parallel to each other and the mode parallel with working roll 82 disposes.The both ends of backing roll 62,63 are supported on respectively on two axle boxes 64 at the two ends that are configured in this backing roll 62,63 respectively, and contact with working roll 82.Axle box 64 is supported for the inwall that is opposite to framework 5 and contacts, and can move up and down with respect to framework 5.Thus, backing roll 62,63 is supported for the relation ground, relative position that can keep both and moves up at upper and lower with respect to framework 5.
Two backing rolls 72,73 that backing roll group 70 is comprised in the lower face side of rolled material S to be parallel to each other and the mode parallel with working roll 83 disposes.The both ends of backing roll 72,73 are supported on respectively on two axle boxes 74 at the two ends that are configured in this backing roll 72,73 respectively, and contact with working roll 83.Axle box 74 also is supported for the inwall that is opposite to framework 5 and contacts, and can be with respect to framework 5 up or down.Thus, backing roll 72,73 is supported for the relation ground, relative position that can keep both and moves up at upper and lower with respect to framework 5.
Working roll 82 is driven in the rolled material S that supplies with and to same direction rotation on predetermined direction, working roll 83 is driven in rolled material S and to the direction rotation opposite with working roll 82.
Backing roll 62,63 is driven in working roll 82 respectively and to the direction rotation opposite with working roll 82, and backing roll 72,73 is driven in working roll 83 and to the direction rotation opposite with working roll 83.
Fig. 8 be the progression that is illustrated in series changing multi-stage rolling machine 1 when switching employed working roll change the figure of chassis 100.
Series changing multi-stage rolling machine 1 has the working roll that is used for being taken out to a pair of working roll 52,53 outside the framework 5 or inserts framework 5 when the stage of switches structure and changes chassis 100.
Working roll is changed chassis 100 and is had: parallel with a pair of working roll 52,53, and same length and a pair of columnar part 102,103 that disposes with same intervals; Be formed on the working roll handle part 112 on a side the end face 102s of columnar part 102; Be formed on the working roll handle part 113 on the opposing party's the end face 103s of columnar part 103; Can adjust a plurality of pillars 105 that the position ground of the short transverse of columnar part 102,103 supports; And, support the lower end of a plurality of pillars 105 and the portion of travelling 120 that can move along the direction of principal axis of columnar part 102,103.
Working roll handle part 112 has the accepting hole 112a and the temporary fixed stop threaded portion 114 that is housed in the end of the working roll 52 among the accepting hole 112a of the end (perpendicular roller bearing 57 sides) of accommodating working roll 52.Working roll handle part 113 is made of the accepting hole 113a and the temporary fixed stop threaded portion 115 that is housed in the end of the working roll 53 among the accepting hole 113a of the end of accommodating working roll 53 (perpendicular roller bearing 57 sides).
When being taken out to a pair of working roll 52,53 outside the framework 5, as shown in Figure 8, perpendicular roller bearing 57 is kept out of the way.Then, make working roll change the framework 5 of chassis 100, thereby the height of adjustment columnar part 102,103 etc. make end face 112s, the 113s of columnar part 102,103 mutually opposed with end face 52s, the 53s of working roll 52,53 near series changing multi-stage rolling machine 1.
Make working roll change chassis 100, the end of working roll 52,53 is housed among accepting hole 112a, the 113a of working roll handle part 112,113 more near framework 5, temporary fixed by stop threaded portion 114,115.And, make working roll change chassis 100 and leave framework 5 at leisure, then working roll 52,53 is taken out to outside the framework 5.At this moment be roughly the same length because working roll is changed columnar part 102,103 and the working roll 52,53 of chassis 100, so can not destruction of balance control under the state of working roll 52,53 and leave from framework 5.
In addition, under the situation that a pair of working roll 52,53 is inserted in the framework 5, implement the operation opposite and get final product with the operation of taking out working roll 52,53.And, under the situation of the weight that working roll 52,53 can be carried with hand for the operator, also can must not use working roll to change chassis 100.
According to the series changing multi-stage rolling machine of the present invention 1 of above explanation, dispose perpendicular roller bearing 54,57 respectively at the two ends of a pair of working roll 52,53, therefore, and compare by the situation of axle box support works roller, can bear bigger thrust load.Simultaneously also can bear bigger bending load.
A side (erecting roller bearing 57 in the present embodiment) who makes perpendicular roller bearing 54,57 leaves from a side's of working roll 52,53 end face, can carry out the replacing of working roll 52,53 thus.
And,, change chassis 100 by using working roll, the operation of the replacing of implementation roller 52,53 efficiently according to the series changing multi-stage rolling machine 1 of present embodiment.
Supporting on the axle box 34 of intermediate calender rolls 32,33, the increase that configuration makes intermediate calender rolls 32,33 bendings is with crooked cylinder 36, and, on the axle box 44 that supports intermediate calender rolls 42,43, configuration makes the increase of intermediate calender rolls 42,43 bendings with crooked cylinder 46, thus, can make working roll 52,53 crooked indirectly.
And on axle box 14, the minimizing that configuration makes intermediate calender rolls 32,33 bendings is with crooked cylinder 16, and on axle box 24, configuration makes the minimizing of intermediate calender rolls 42,43 bendings with crooked cylinder 26, thus, can make working roll 52,53 bending indirectly.Its result is precision to carry out the thickness of slab control of rolled sheet S well.
Fig. 9 and Figure 10 are the figure that illustrates to the injection portion 150 of working roll 52,53 or the attached rolling lubricating oil L of working roll 82,83 sprays.
In series changing multi-stage rolling machine 1, rolling lubricating oil L (comprising the working roll cold oil) is fed on working roll 52,53 or the working roll 82,83.
Under the situation of any of 10 level structures or 6 level structures, supply with rolling lubricating oil L from the injection portion 150 of the front side that is configured in working roll or rear side.But under the situation of the situation of 10 level structures or 6 level structures, the diameter of working roll 52,53 is different with the diameter of working roll 82,83, and the situation in the space on every side of each working roll also changes.
Therefore, switch (adjustment) injection direction according to the situation of 10 level structures or the situation of 6 level structures from the rolling lubricating oil L of injection portion 150 injections.
As Fig. 9 and shown in Figure 10, injection portion 150 have towards working roll 52 spray the last side nozzle 152a of rolling lubricating oil L, towards the following side nozzle 152b of working roll 53 injection rolling lubricating oil L and can adjust spray angle guiding mechanism 160 synchronously from the injection direction of the rolling lubricating oil L of each nozzle 152a, 152b.
Spray angle guiding mechanism 160 comprises: upside swivel plate 162a, be formed with on the part of periphery gear 162w and on side nozzle 152a set towards radial direction foreign side; Upside worm gear (worm screw) 164a is with the gear 162w of upside swivel plate 162a engagement and upside swivel plate 162a is rotated in a circumferential direction; Downside swivel plate 162b is formed with gear 162w on the part of periphery and following side nozzle 152b sets towards radial direction foreign side; Downside worm gear 164b is with the gear 162w of downside swivel plate 162b engagement and downside swivel plate 162b is rotated in a circumferential direction; Rotating shaft 165, fixed upper worm gear 164a and downside worm gear 164b; And motor 166, with the end binding of rotating shaft 165.
The rotating shaft of each swivel plate 162a, 162b is towards horizontal direction.And, for example as shown in Figure 9, being configured to side nozzle 152a towards working roll 52, following side nozzle 152b is towards working roll 53.Upside worm gear 164a is engaged in last side nozzle 152a and is formed on gear 162w on the outer peripheral face of opposition side of upside swivel plate 162a across rotating shaft, and downside worm gear 164b is engaged in following side nozzle 152b and is formed on gear 162w on the outer peripheral face of opposition side of downside swivel plate 162b across rotating shaft.When making rotating shaft 165 rotations of supporting upside worm gear 164a and downside worm gear 164b, be separately positioned on nozzle 152a, 152b on swivel plate 162a, the 162b towards on above-below direction, changing.
The spiral fluted of upside worm gear 164a towards with the spiral fluted of downside worm gear 164b towards opposite.For example, upside worm gear 164a is a right-hand screw, and downside worm gear 164b is a left-hand screw.Thus, when making rotating shaft 165 rotations, upside swivel plate 162a and downside swivel plate 162b rotate in the opposite direction, and the injection direction of each nozzle 152a, 152b also changes in the opposite direction.
As Fig. 9 and shown in Figure 10, when switching the level table structure of series changing multi-stage rolling machine 1, the motor 166 that one end of driving and rotating shaft 165 links, adjust the injection direction of each nozzle 152a, 152b, thus, can make rolling lubricating oil L attached on working roll 52,53 or the working roll 82,83 reliably.
Like this,, also can supply with rolling lubricating oil L to working roll reliably, therefore can carry out high-precision thickness of slab control even when switching the level table structure of series changing multi-stage rolling machine 1.
The embodiment of optimum of the present invention has been described above, and the present invention is not defined as above-mentioned embodiment.In the scope that does not break away from purport of the present invention, can carry out structure additional, omit, displacement and other variation.
For example, in the above-described embodiment, illustrated that series changing multi-stage rolling machine 1 switches to the situation of 10 level structures and 6 level structures, but be not limited thereto.For example, intermediate calender rolls 30,40 also can possess three or more intermediate calender rolls respectively.And corresponding to the number of intermediate calender rolls, backing roll group 10,20 also can possess three or more backing rolls respectively.
And, illustrated that at series changing multi-stage rolling machine 1 be under the situation of 10 level structures, dispose the situation of a pair of perpendicular roller bearing 54,57 at the two ends of two working rolls 52,53, but be not limited thereto.Under the situation of 6 level structures, also can substitute axle box 84,85 and dispose two perpendicular roller bearings at the two ends of two working rolls 82,83.
And, illustrated that series changing multi-stage rolling machine 1 is the situation of X type grinding machine (multiple roll type), but so long as the progression switch type, the roller mill of which type of form can both be applicable to the present invention.For example, being not limited only to the horizontal roller milling train, also can be perpendicular forming roll milling train.And, also can be universal roller mill.
Claims (8)
1. a series changing multi-stage rolling machine is characterized in that, comprising:
The 1st working roll is configured in along a face side of the workpiece of predetermined path supply, contacts with a surface of above-mentioned workpiece;
The 2nd working roll disposes in the mode parallel with above-mentioned the 1st working roll in another face side of above-mentioned workpiece, and contacts with another surface of above-mentioned workpiece;
The 1st backing roll group, a plurality of backing rolls that disposed and be driven in directly or indirectly above-mentioned the 1st working roll by the face side at above-mentioned workpiece in the mode that is parallel to each other constitute;
The 2nd backing roll group, a plurality of backing rolls that disposed and be driven in directly or indirectly above-mentioned the 2nd working roll by another face side at above-mentioned workpiece in the mode that is parallel to each other constitute; And,
Two roll shape bearings, be configured in the two ends of above-mentioned the 1st working roll and above-mentioned the 2nd working roll respectively, both ends of the surface with above-mentioned the 1st, the 2nd working roll contact respectively, allow the rotation to mutually opposite direction of above-mentioned the 1st, the 2nd working roll, and the direction of principal axis that retrains above-mentioned the 1st, the 2nd working roll moves, and supports the thrust load of above-mentioned the 1st, the 2nd working roll.
2. series changing multi-stage rolling machine as claimed in claim 1, it is characterized in that above-mentioned two roll shape bearings are supported on two backing roll axle boxes at the two ends of supporting above-mentioned a plurality of backing rolls that above-mentioned the 1st backing roll group comprised respectively or support on two backing roll axle boxes at two ends of above-mentioned a plurality of backing rolls that above-mentioned the 2nd backing roll group comprised.
3. series changing multi-stage rolling machine as claimed in claim 2 is characterized in that, one in above-mentioned two the roll shape bearings enough end face of the side from above-mentioned the 1st, the 2nd working roll are supported on the above-mentioned backing roll axle box with leaving.
4. series changing multi-stage rolling machine as claimed in claim 3, it is characterized in that, side in above-mentioned two roll shape bearings the mode with the end face of crossing over the side in above-mentioned the 1st, the 2nd working roll of being configured in is supported in the opening mechanism on the above-mentioned backing roll axle box
Above-mentioned opening mechanism is under the state of opening, and the end face of the side from above-mentioned the 1st, the 2nd working roll leaves towards the direction different with the direction of principal axis of above-mentioned the 1st, the 2nd working roll.
5. series changing multi-stage rolling machine as claimed in claim 3, it is characterized in that, possess working roll and change chassis, described working roll is changed the portion of travelling that chassis has the handle part of the end of controlling the side in above-mentioned the 1st, the 2nd working roll and supports above-mentioned handle part and can move on the direction of principal axis of above-mentioned the 1st, the 2nd working roll.
6. series changing multi-stage rolling machine as claimed in claim 1 is characterized in that, comprising:
The 1st intermediate calender rolls group is disposed in the mode that is parallel to each other, is constituted between above-mentioned a plurality of backing rolls that above-mentioned the 1st backing roll group is comprised and above-mentioned the 1st working roll and with a plurality of intermediate calender rolls that above-mentioned a plurality of backing rolls are driven in above-mentioned the 1st working roll by the face side at above-mentioned workpiece;
The 2nd intermediate calender rolls group is disposed in the mode that is parallel to each other, is constituted between above-mentioned a plurality of backing rolls that above-mentioned the 2nd backing roll group is comprised and above-mentioned the 2nd working roll and with a plurality of intermediate calender rolls that above-mentioned a plurality of backing rolls are driven in above-mentioned the 2nd working roll by another face side at above-mentioned workpiece; And,
Increase and use crooked cylinder, be set at two intermediate calender rolls axle boxes at the two ends of supporting the above-mentioned intermediate calender rolls that above-mentioned the 1st intermediate calender rolls group comprised respectively or support on two intermediate calender rolls axle boxes at two ends of the above-mentioned intermediate calender rolls that above-mentioned the 2nd intermediate calender rolls group comprised, make above-mentioned a plurality of intermediate calender rolls bending.
7. series changing multi-stage rolling machine as claimed in claim 2 is characterized in that, comprising:
The 1st intermediate calender rolls group is disposed in the mode that is parallel to each other, is constituted between above-mentioned a plurality of backing rolls that above-mentioned the 1st backing roll group is comprised and above-mentioned the 1st working roll and with a plurality of intermediate calender rolls that above-mentioned a plurality of backing rolls are driven in above-mentioned the 1st working roll by the face side at above-mentioned workpiece;
The 2nd intermediate calender rolls group is disposed in the mode that is parallel to each other, is constituted between above-mentioned a plurality of backing rolls that above-mentioned the 2nd backing roll group is comprised and above-mentioned the 2nd working roll and with a plurality of intermediate calender rolls that above-mentioned a plurality of backing rolls are driven in above-mentioned the 2nd working roll by another face side at above-mentioned workpiece; And,
Reduce and use crooked cylinder, be set at respectively on the above-mentioned backing roll axle box, make above-mentioned a plurality of intermediate calender rolls bending.
8. series changing multi-stage rolling machine as claimed in claim 1 is characterized in that, possesses respectively towards the injection portion of above-mentioned the 1st, the 2nd working roll atomizing of liquids, and above-mentioned injection portion can adjust the injection direction of aforesaid liquid.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2007064689A JP4964632B6 (en) | 2007-03-14 | Multi-stage rolling mill | |
| JP2007-064689 | 2007-03-14 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101264482A CN101264482A (en) | 2008-09-17 |
| CN101264482B true CN101264482B (en) | 2010-09-01 |
Family
ID=39840487
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008100835890A Active CN101264482B (en) | 2007-03-14 | 2008-03-12 | Series changing multi-stage rolling machine |
Country Status (3)
| Country | Link |
|---|---|
| KR (1) | KR100987527B1 (en) |
| CN (1) | CN101264482B (en) |
| TW (1) | TW200918195A (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6061775B2 (en) * | 2013-05-10 | 2017-01-18 | 株式会社神戸製鋼所 | Cluster type multi-high rolling mill |
| FR3008633B1 (en) * | 2013-07-22 | 2015-08-07 | Fives Dms | ROLLER EQUIPPED WITH AT LEAST ONE COOLING NOZZLE |
| EP3766595A1 (en) * | 2019-07-17 | 2021-01-20 | Primetals Technologies Austria GmbH | Cold rolling of rolled material |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2094685A (en) * | 1981-03-12 | 1982-09-22 | Sherwood William L | Rolling mill stand |
| US4719784A (en) * | 1985-04-03 | 1988-01-19 | Hitachi, Ltd. | Roll bending apparatus for rolling mill |
| CN2084397U (en) * | 1990-10-16 | 1991-09-11 | 青岛建筑工程学院 | Integral pressing cold rolling machine frame |
| CN1551807A (en) * | 2001-09-04 | 2004-12-01 | SMS�����ɷݹ�˾ | Device for applying lubricants on the peripheral surfaces of rollers in roll stands |
| CN2698479Y (en) * | 2003-11-12 | 2005-05-11 | 一重集团大连设计研究院 | Working roll bidirectional movement type four rolls cold rolling machine |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0626722B2 (en) * | 1985-04-05 | 1994-04-13 | 株式会社日立製作所 | Multi-stage rolling mill |
| DE4134599C1 (en) * | 1991-10-18 | 1993-02-25 | Thyssen Stahl Ag, 4100 Duisburg, De | |
| JP4206541B2 (en) * | 1999-01-27 | 2009-01-14 | 株式会社Ｉｈｉ | Multi-stage rolling mill |
-
2008
- 2008-03-10 KR KR1020080022146A patent/KR100987527B1/en active IP Right Grant
- 2008-03-12 CN CN2008100835890A patent/CN101264482B/en active Active
- 2008-03-12 TW TW097108617A patent/TW200918195A/en unknown
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2094685A (en) * | 1981-03-12 | 1982-09-22 | Sherwood William L | Rolling mill stand |
| US4719784A (en) * | 1985-04-03 | 1988-01-19 | Hitachi, Ltd. | Roll bending apparatus for rolling mill |
| CN2084397U (en) * | 1990-10-16 | 1991-09-11 | 青岛建筑工程学院 | Integral pressing cold rolling machine frame |
| CN1551807A (en) * | 2001-09-04 | 2004-12-01 | SMS�����ɷݹ�˾ | Device for applying lubricants on the peripheral surfaces of rollers in roll stands |
| CN2698479Y (en) * | 2003-11-12 | 2005-05-11 | 一重集团大连设计研究院 | Working roll bidirectional movement type four rolls cold rolling machine |
Also Published As
| Publication number | Publication date |
|---|---|
| JP4964632B2 (en) | 2012-07-04 |
| KR100987527B1 (en) | 2010-10-13 |
| KR20080084633A (en) | 2008-09-19 |
| TWI332864B (en) | 2010-11-11 |
| JP2008221291A (en) | 2008-09-25 |
| CN101264482A (en) | 2008-09-17 |
| TW200918195A (en) | 2009-05-01 |
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Owner name: KYOWA MACHINERY CO., LTD. IHI Free format text: FORMER OWNER: IHI METAL PRODUCTION EQUIPMENT TECHNIQUE CO., LTD. Effective date: 20131012 Free format text: FORMER OWNER: IHI CORP. Effective date: 20131012 |
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Effective date of registration: 20131012 Address after: Tokyo, Japan, Japan Patentee after: IHI Co., Ltd. Address before: Tokyo, Japan, Japan Patentee before: IHI Metal Production Equipment Technique Co., Ltd. Patentee before: IHI Corp. |