CN115283446A - Mounting tool and mounting method for eighteen-roller mill core component - Google Patents

Mounting tool and mounting method for eighteen-roller mill core component Download PDF

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Publication number
CN115283446A
CN115283446A CN202210991700.6A CN202210991700A CN115283446A CN 115283446 A CN115283446 A CN 115283446A CN 202210991700 A CN202210991700 A CN 202210991700A CN 115283446 A CN115283446 A CN 115283446A
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CN
China
Prior art keywords
mounting
moving block
block
eighteen
gap
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CN202210991700.6A
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Chinese (zh)
Inventor
李振兴
刘桐柱
户智军
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Yizhong Group Heilongjiang Heavy Industry Co ltd
China First Heavy Industries Co Ltd
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Yizhong Group Heilongjiang Heavy Industry Co ltd
China First Heavy Industries Co Ltd
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Priority to CN202210991700.6A priority Critical patent/CN115283446A/en
Publication of CN115283446A publication Critical patent/CN115283446A/en
Pending legal-status Critical Current

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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
    • B21B31/02—Rolling stand frames or housings; Roll mountings ; Roll chocks
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B38/00—Methods or devices for measuring, detecting or monitoring specially adapted for metal-rolling mills, e.g. position detection, inspection of the product
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B11/00—Measuring arrangements characterised by the use of optical techniques
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
    • G01B5/14—Measuring arrangements characterised by the use of mechanical techniques for measuring distance or clearance between spaced objects or spaced apertures
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
    • G01B5/28—Measuring arrangements characterised by the use of mechanical techniques for measuring roughness or irregularity of surfaces

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • A Measuring Device Byusing Mechanical Method (AREA)

Abstract

The invention provides a mounting tool and a mounting method for core components of an eighteen-roller rolling mill, wherein the mounting tool comprises at least two mounting bases, each mounting base comprises a mounting frame and a base, the mounting frames are fixedly mounted on the bases, the mounting frames are in square column shapes, each mounting frame comprises a reference surface, a first side surface and a top surface, each base comprises a bottom surface, a first mounting hole is formed in the reference surface, and a second mounting hole is formed in the first side surface; the whole plane degree of bottom surface is less than 0.05mm, and the whole plane degree of reference surface is less than 0.05mm, and the straightness that hangs down of reference surface and bottom surface is less than 0.05mm, and the whole plane degree of top surface is less than 0.05mm, and the depth of parallelism of top surface and bottom surface to and, all be less than 0.05mm with the straightness that hangs down of reference surface, first side is adjacent with the reference surface, and the first side of two installation bases sets up relatively. The mounting tool for the core components of the eighteen-roller rolling mill can replace a large rolling mill frame, so that key resources are prevented from being occupied for a long time, the assembly cost is reduced, and the assembly period is saved.

Description

Mounting tool and mounting method for eighteen-roller mill core component
Technical Field
The invention relates to the technical field of metallurgical equipment, in particular to an installation tool and an installation method for core components of an eighteen-high rolling mill.
Background
The cold rolling mill is a key device for producing cold-rolled strip steel, and the eighteen-roller mill is one of the commonly used cold rolling mills. The eighteen-roller rolling mill has higher requirement on installation precision, and the later installation and inspection processes are very complicated. In the prior art, a common installation scheme includes: after the rolling mill is vertically installed, the installation and the inspection are carried out layer by layer, but the scheme has serious occupation on key resources such as a large assembly site, a heavy crown block and the like, and the production rhythm of a manufacturing workshop is easily influenced; the other method is to manufacture a foundation square box, install core components such as a cylinder block, an edge support and the like on a foundation layer by layer, and monitor the precision by using a machine tool, but the scheme has long occupied time for a large-scale numerical control boring machine and high installation cost.
Disclosure of Invention
The invention solves the problem of how to provide the mounting tool which ensures the mounting quality of core components of an eighteen-roller mill, is convenient to reduce the mounting cost and reduces the mounting period.
In order to solve at least one of the above problems, the invention provides an installation tool for a core component of an eighteen-roller mill, which comprises at least two installation bases, wherein each installation base comprises an installation frame and a base, the installation frame is fixedly installed on the base, the installation frame is in a square column shape, the installation frame comprises a reference surface, a first side surface and a top surface, the base comprises a bottom surface, a first installation hole is formed in the reference surface, the first installation hole is used for installing a fixed block of the eighteen-roller mill, a second installation hole is formed in the first side surface, and the second installation hole is used for installing a fixed plate of the eighteen-roller mill;
wherein, the whole plane degree of bottom surface is less than 0.05mm, the whole plane degree of reference surface is less than 0.05mm, just the reference surface with the straightness that hangs down of bottom surface is less than 0.05mm, the whole plane degree of top surface is less than 0.05mm, just the top surface with the depth of parallelism of bottom surface is less than 0.05mm, the top surface with the straightness that hangs down of reference surface is less than 0.05mm, first side with the reference surface is adjacent, and two the installation basis first side sets up relatively.
Preferably, the mounting tool for the eighteen-high rolling mill core component further comprises a measuring flat rule, wherein the measuring flat rule comprises a main body and end blocks positioned at two ends of the main body.
The invention can conveniently finish the fixing, the precision detection and the precision adjustment of parts in the core part assembling process of the eighteen-roller mill by ensuring that the datum plane of the mounting foundation has good planeness and the datum plane has good verticality with the top surface and the bottom surface; the mounting tool for the eighteen-roller core component can replace a large-scale rolling mill frame, can ensure the precision of the mounting process of the eighteen-roller core component, avoids occupying key resources for a long time, reduces the assembly cost and saves the assembly period.
In another aspect, the present invention provides a method for installing a core component of an eighteen-high rolling mill, comprising the steps of:
s1, placing the mounting bases of the mounting tools of the eighteen-roller rolling mill core component in parallel, enabling the datum planes and the top faces of the two mounting bases to be coplanar respectively, enabling the first side faces of the two mounting bases to be arranged oppositely, and adjusting the distance between the two mounting bases;
s2, respectively installing a first fixed block and a second fixed block on the reference surfaces of the two installation bases, and adjusting the installation accuracy of the first fixed block and the second fixed block;
step S3, sequentially mounting a first lower moving block and a first upper moving block on the first fixed block, sequentially mounting a second lower moving block and a second upper moving block on the second fixed block, and mounting a lower fixed arm on the first lower moving block and the second lower moving block;
s4, mounting a fixed plate, the fixed beam and the transverse moving beam on the first side surfaces of the two mounting bases;
step S5, adjusting the heights of the first lower moving block, the second lower moving block, the first upper moving block and the second upper moving block, and adjusting the parallelism of a track surface provided with a middle roller bearing seat;
s6, mounting fixed arms on the first upper fixed block and the second upper fixed block, respectively connecting an upper edge supporting roller system and a lower edge supporting roller system with the upper fixed arms and the lower fixed arms, and adjusting the mounting accuracy of the upper edge supporting roller system and the lower edge supporting roller system;
and S7, repeating the steps S1-S6 to complete the installation of the other side of the eighteen-roller core component, and then assembling the two sides to complete the installation of the eighteen-roller core component.
Preferably, in the step S1, making the reference surface and the top surface of the two mounting bases coplanar respectively includes:
and detecting the coplanarity condition between the reference surfaces of the two mounting bases, detecting the coplanarity condition between the top surfaces of the two mounting bases, and adjusting the relative positions of the two mounting bases according to the detection condition until the coplanarity between the reference surfaces and the coplanarity between the top surfaces are both less than 0.05mm.
Preferably, in step S2, the adjusting of the mounting accuracy of the first fixed block and the second fixed block includes:
adjusting the relative positions of the first fixed block and the second fixed block with the corresponding mounting bases until the first gaps between the first fixed block and the second fixed block and the corresponding mounting bases are smaller than 0.05mm, and the coplanarity of the track surfaces in the first fixed block and the second fixed block is smaller than 0.05mm.
Preferably, the step S3 includes:
the first fixed block is sequentially provided with a first lower moving block and a first upper moving block, the second fixed block is sequentially provided with a second lower moving block and a second upper moving block, the lower portions of the first lower moving block and the second lower moving block are supported by jacks, the distance between the first lower moving block and the first upper moving block and the distance between the second lower moving block and the second upper moving block are adjusted by cushion blocks, and the first lower moving block and the second lower moving block are provided with lower fixed arms.
Preferably, after the step S4 and before the step S5, the method further includes:
and adjusting the installation precision of the traverse beam.
Preferably, the adjusting of the mounting accuracy of the traverse beam includes:
combining a measuring flat rule with a sliding plate surface of the cross sliding beam, measuring a second gap between the measuring flat rule and the sliding plate surface, measuring a third gap between an end block in the measuring flat rule and the first fixed block and measuring a fourth gap between another end block in the measuring flat rule and the second fixed block when the cross sliding beam is in a pushed-out state and the cross sliding beam is in a tightly-pushing state, obtaining a difference value of the third gap and the fourth gap, and adjusting the installation precision of the cross sliding beam according to the second gap, the difference value of the third gap and the fourth gap.
Preferably, the step S5 includes:
adjusting the heights of the first lower moving block, the second lower moving block, the first upper moving block and the second upper moving block to enable the lower end surfaces of the first upper moving block and the second upper moving block to be coplanar, the upper end surfaces of the first upper moving block and the second upper moving block to be parallel to each other, and enable the upper end surfaces of the first lower moving block and the second lower moving block to be coplanar and the lower end surfaces of the first lower moving block and the second lower moving block to be parallel to each other.
Preferably, the adjusting of the installation accuracy of the upper edge support roller system and the lower edge support roller system in step S6 includes:
the feeler gauge detects a fifth gap between an arc plate of a swing arm in the upper edge supporting roller system and each lining plate in the transverse moving beam, detects a sixth gap between the upper edge supporting roller system and the lower edge supporting roller system and a track surface of the first fixed block respectively, detects a seventh gap between the upper edge supporting roller system and the lower edge supporting roller system and a track surface of the second fixed block respectively, obtains a difference value of the sixth gap and the seventh gap, and adjusts the installation accuracy of the upper edge supporting roller system and the lower edge supporting roller system according to the fifth gap, the difference value of the sixth gap and the seventh gap.
The installation of the core components of the eighteen-roller mill is carried out through the installation bases, the installation quality of the core components of the eighteen-roller mill can be guaranteed, meanwhile, the occupation of installation resources is saved, the installation cost is saved, the installation period is shortened, in addition, the installation of parts such as the fixed block, the upper movable block, the lower movable block, the fixed plate, the fixed beam, the transverse moving beam, the edge supporting roller system and the like in the core components of the eighteen-roller mill is sequentially completed after the relative positions of the two installation bases are adjusted, the installation accuracy of the core components of the eighteen-roller mill is guaranteed, the installation of one of the inlet side or the outlet side of the eighteen-roller mill can be rapidly realized, the installation of the other side can be completed by repeating the process, high-altitude operation is not needed, the safety is better, the installation efficiency is high, and the operation is more convenient.
Drawings
FIG. 1 is a first schematic structural diagram of a core component of an eighteen-high rolling mill in an embodiment of the invention;
FIG. 2 is a second schematic structural diagram of a core component of an eighteen-high rolling mill in the embodiment of the invention;
FIG. 3 is a front view of an installation base in an embodiment of the present invention;
FIG. 4 is a side view of a mounting base in an embodiment of the present invention;
FIG. 5 is a top view of an installation base in an embodiment of the present invention;
FIG. 6 is a schematic structural view of a measuring ruler in an embodiment of the present invention;
FIG. 7 is a schematic diagram of the embodiment of the invention in which a leveling rod is used to detect the mounting accuracy of a traverse beam;
fig. 8 isbase:Sub>A cross-sectional view atbase:Sub>A-base:Sub>A in fig. 7.
Description of reference numerals:
110. a first fixed block; 120. a second fixed block; 130. a third fixed block; 140. a fourth fixed block; 210. a fixing plate; 220. fixing the beam; 230. traversing the beam; 231. a side pushing mechanism; 232. a coupling; 240. an upper fixing arm; 250. a lower fixed arm; 260. swinging arms; 400. measuring a leveling ruler; 410. a main body; 420. a first end block; 430. a second end block; 500. installing a foundation; 511. a reference plane; 512. a first side; 513. a top surface; 520, and a base.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below.
It should be noted that the features in the embodiments of the present invention may be combined with each other without conflict. Also, it is noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in sequences other than those illustrated or described herein.
As shown in fig. 1 and 2, the eighteen-high rolling mill core includes a first fixed block 110, a second fixed block 120, a third fixed block 130, and a fourth fixed block 140, each fixed block having an upper moving block and a lower moving block, for example, the first fixed block 110 having a first upper moving block 111 and a first lower moving block 112, and the second fixed block 120 having a second upper moving block 121 and a second lower moving block 122. The eighteen-roller core part includes an inlet side and an outlet side, for example, the side where the first fixing block 110 and the second fixing block 120 are located is the inlet side, and correspondingly, the side where the third fixing block 130 and the fourth fixing block 140 are located is the outlet side.
Between the first fixing block 110 and the second fixing block 120, and between the third fixing block 130 and the fourth fixing block 140, there are further included a fixing plate 210, a fixing beam 220, a traverse beam 230, an upper fixing arm 240, a lower fixing arm 250, and a swing arm 260, wherein the upper fixing arm 240 is respectively connected to the two upper moving blocks, the lower fixing arm 250 is connected to the two lower fixing arms, and the traverse beam 230 further includes a side push mechanism 231 and a coupler 232.
As shown in fig. 3 to 5, an embodiment of the present invention provides an installation tool for a core component of an eighteen-high rolling mill, including at least two installation bases 500, where the installation bases 500 include a mounting frame and a base 520, the mounting frame is fixedly installed on the base 520, the mounting frame is in a square column shape, the mounting frame includes a reference surface 511, a first side surface 512 and a top surface 513, the base 520 includes a bottom surface (not shown in the drawings), the reference surface 511 is provided with a first installation hole, the first installation hole is used for installing a fixing block of the eighteen-high rolling mill, the first side surface 512 is provided with a second installation hole, and the second installation hole is used for installing a fixing plate of the eighteen-high rolling mill;
the whole planeness of the bottom surface is less than 0.05mm, the whole planeness of the reference surface 511 is less than 0.05mm, the verticality of the reference surface 511 and the bottom surface is less than 0.05mm, the whole planeness of the top surface 513 is less than 0.05mm, the parallelism of the top surface 513 and the bottom surface is less than 0.05mm, the verticality of the top surface 513 and the reference surface 511 is less than 0.05mm, the first side surface 512 is adjacent to the reference surface 511, and the two first side surfaces 512 of the installation foundation 500 are oppositely arranged.
The datum plane 511 of the installation foundation 500 has good flatness, and the datum plane 511 has good verticality with the top surface 513 and the bottom surface, so that the fixing of parts in the assembly process of the eighteen-roller mill core component, the detection of precision and the adjustment of precision can be conveniently completed, the datum plane 511 and the first side surface 512 which are adjacently arranged are used, the datum plane 511 and the first side surface 512 are respectively provided with a fixing block and a fixing plate installation hole, the fixing block and the fixing plate 210 are respectively installed, after the precision is detected and adjusted, the installation of other parts is completed on the basis of the fixing block and the fixing plate 210, and therefore the whole installation process of the eighteen-roller mill core component is realized.
The mounting tool for the eighteen-high rolling mill core component further comprises a measuring flat 400, wherein the measuring flat 400 comprises a main body 410 and end blocks positioned at two ends of the main body 410. The leveling rule 400 can be used to measure the mounting accuracy of the traverser 230.
As shown in FIG. 6, the measuring ruler 400 comprises a main body 410, and a first end block 420 and a second end block 430 which are arranged on the main body, wherein the main body 410, the first end block 420 and the second end block 430 are arranged on the same straight line
The embodiment of the invention also provides an installation method of the eighteen-roller mill core component, which comprises the following steps:
step S1, placing the installation bases 500 of the installation tools of the eighteen-roller rolling mill core components in parallel, enabling the reference surfaces 511 and the top surfaces 513 of the two installation bases 500 to be coplanar respectively, enabling the first side surfaces of the two installation bases 500 to be arranged oppositely, and adjusting the distance between the two installation bases 500;
step S2, respectively installing a first fixed block 110 and a second fixed block 120 on the reference surfaces 511 of the two installation bases 500, and adjusting the installation accuracy of the first fixed block 110 and the second fixed block 120;
step S3 of sequentially mounting a first lower moving block 112 and a first upper moving block 111 on the first fixed block 110, sequentially mounting a second lower moving block 122 and a second upper moving block 121 on the second fixed block 120, and mounting a lower fixed arm 250 on the first lower moving block 112 and the second lower moving block 122;
s4, mounting a fixed plate 210, the fixed beam 220 and a traverse beam 230 on the first side 512 of the two mounting bases 500;
step S5 of adjusting the heights of the first lower moving block 112, the second lower moving block 122, the first upper moving block 111, and the second upper moving block 121, and adjusting the parallelism of the raceway surfaces on which the intermediate roller bearing blocks are mounted;
step S6 of mounting the upper fixed arm 240 on the first upper moving block 111 and the second upper moving block 121, and connecting an upper edge support roller system and a lower edge support roller system to the upper fixed arm 240 and the lower fixed arm 250, respectively, to adjust mounting accuracy of the upper edge support roller system and the lower edge support roller system;
and S7, repeating the steps S1-S6 to complete the installation of the other side of the eighteen-roller core component, and then assembling the two sides to complete the installation of the eighteen-roller core component.
Eighteen-high rolling mill core components include an inlet side and an outlet side, one of which is installed first, the other side is installed, and then both sides are assembled in an embodiment of the present invention.
In step S1, placing two installation bases 500 in parallel, so that the reference surfaces 511 and the top surfaces 513 of the two installation bases 500 are coplanar respectively, and the first side surfaces of the two installation bases 500 are oppositely disposed, and adjusting the distance between the two installation bases 500, wherein the step of making the reference surfaces 511 and the top surfaces 513 of the two installation bases 500 coplanar respectively includes:
the coplanarity condition between the reference surfaces 511 of the two installation bases 500 is detected, the coplanarity condition between the top surfaces 513 of the two installation bases 500 is detected, and the relative positions of the two installation bases 500 are adjusted according to the detection condition until the coplanarity between the reference surfaces 511 and the coplanarity between the top surfaces 513 are less than 0.05mm.
Specifically, steel wires are hung on the side surfaces of two installation bases 500, then a photoelectric micrometer is used for detecting the coplanarity between the reference surfaces 511 of the two installation bases 500, and a level gauge is used for detecting the coplanarity between the top surfaces 513 of the two installation bases 500.
The reference surface 511 and the top surface 513 of the two installation bases 500 are coplanar respectively through precision detection and adjustment, the precision of the subsequent installation process can be ensured, the first side surfaces 512 of the two installation bases 500 are oppositely arranged, the distance between the two installation bases 500 is adjusted, and the fixing beam 220 can be conveniently installed between the two first side surfaces 512.
The accuracy requirements of coplanarity and height between the first fixing block 110 and the second fixing block 120 on one side (such as an inlet side) of the eighteen-roller core component are high, so that when the mounting bases are placed, the coplanarity of the reference surfaces 511 and the top surfaces 513 of the two mounting bases is ensured, and the mounting accuracy requirements of the fixing beams 220 between the first fixing block 110 and the second fixing block 120 in the eighteen-roller core component are relatively low, so that the assembly requirements can be met.
In step S2, the first fixed block 110 and the second fixed block 120 are respectively mounted on the two mounting bases 500, and the mounting accuracy of the first fixed block 110 and the second fixed block 120 is adjusted.
Wherein the adjusting of the installation accuracy of the first fixed block 110 and the second fixed block 120 includes:
adjusting the relative positions between the first fixed block 110 and the second fixed block 120 and the corresponding installation foundation 500 until the first gaps between the first fixed block 110 and the second fixed block 120 and the corresponding installation foundation 500 are both smaller than 0.05mm, and the coplanarity of the track surfaces in the first fixed block 110 and the second fixed block 120 is smaller than 0.05mm.
Specifically, a feeler gauge is used for detecting first gaps between the first fixed block 110 and the second fixed block 120 and the corresponding installation foundation 500, if the feeler gauge with the first gap of 0.05mm cannot enter, the requirement is met, if the feeler gauge can enter the first gap, further adjustment is needed, the coplanarity of the rail surfaces in the first fixed block 110 and the second fixed block 120 is detected in a steel wire hanging and photoelectric micrometer mode, if the coplanarity is below 0.05mm, the requirement is met, and if the coplanarity is above 0.05mm, further adjustment is needed until indexes are adjusted to meet the requirement.
After step S1, before step S2, the method further includes: and key sizes of the fixed blocks and the moving blocks in the eighteen-roller core component are paired, and the fixed blocks and the moving blocks with the same key sizes are marked as a group of marks, so that the eighteen-roller core component can be conveniently installed subsequently according to the grouping condition.
In step S3, the first lower moving block 112 and the first upper moving block 111 are sequentially mounted on the first fixed block 110, the second lower moving block 122 and the second upper moving block 121 are sequentially mounted on the second fixed block, and the lower fixed arm 250 is mounted on the first lower moving block 112 and the second lower moving block 122.
Specifically, a first lower moving block 112 and a first upper moving block 111 are sequentially mounted on the first fixed block 110, a second lower moving block 122 and a second upper moving block 121 are sequentially mounted on the second fixed block 120, the lower portions of the first lower moving block 112 and the second lower moving block 122 are supported by jacks, the distance between the first lower moving block 112 and the first upper moving block 111 and the distance between the second lower moving block 122 and the first upper moving block 121 are adjusted by spacers, and the lower fixed arm 250 is mounted on the first lower moving block 112 and the second lower moving block 122.
The first lower moving block 112 and the second lower moving block 122 are supported by the jack, and the first lower moving block 112 and the first upper moving block 111 are adjusted by using the spacers, and the distance between the second lower moving block 122 and the second upper moving block 121 is adjusted, so that other parts are conveniently mounted on the basis of the moving blocks.
It should be understood that the heights and the distances between the first upper moving block 111, the first lower moving block 112, the second upper moving block 121 and the second lower moving block 122 have less influence on the mounting accuracy of the eighteen rolling mill core components, and can be adjusted according to the operation comfort level of an operator in the subsequent mounting process.
In step S4, the fixing plate 210, the fixing beam 220 and the traverse beam 230 are mounted on the first sides 512 of the two mounting bases 500.
The fixing plates 210 are respectively arranged on the first side surfaces 512 of the two mounting bases 500, the fixing beams 220 are arranged on the basis of the fixing plates 210, the first side surfaces 512 of the two mounting bases 500 are oppositely arranged, the two mounting bases 500 are fixedly connected with the fixing beams 220 through the fixing plates 210, and then the cross travelling beams 230 are arranged.
After step S4, before step S5, the method further includes:
the mounting accuracy of the traverser 230 is adjusted.
Specifically, as shown in fig. 7 and 8, a measuring flat bar 400 is engaged with the shoe surface of the traverse beam 230, a second gap between the measuring flat bar 400 and the shoe surface is measured, a third gap between an end block in the measuring flat bar 400 and the first fixed block 110 is measured when the traverse beam 230 is in a pushed-out state and a fourth gap between another end block in the measuring flat bar 400 and the second fixed block 120 is measured when the traverse beam 230 is in a tightened state, a difference between the third gap and the fourth gap is obtained, and the mounting accuracy of the traverse beam is adjusted based on the second gap, the difference between the third gap and the fourth gap.
Further, the main body 410 of the measuring flat rule 400 is fitted with the sliding plate surface of the traverse beam 230, so that the main body 410 is tightly attached to the sliding plate surface of the traverse beam 230, a second gap is formed between the main body 410 and the sliding plate surface, a third gap is formed between the first end block 420 of the measuring flat rule 400 and the first fixed block 110, a fourth gap is formed between the second end block 430 and the second fixed block 120, a plug rule of 0.03mm in the length direction of 80% of the second gap is required to be not inserted, the traverse beam 230 is pushed out through the rotary coupler 232, the traverse beam 230 is in a push-out state, the difference between the third gap and the fourth gap is measured, the traverse beam 230 is in a push-tight state, the difference between the third gap and the fourth gap is re-measured, and the absolute value of the difference between the third gap and the fourth gap in both states is required to be less than 0.05mm. If the requirements are met, subsequent installation is carried out, if the requirements are not met, the coupler 232 on the side with the larger gap between the third gap and the fourth gap is disengaged, the cross beam 230 on the side with the smaller gap is rotated to adjust until the requirements are met, and then the coupler 232 is reconnected until the indexes are passed through after the re-inspection.
It should be noted that when the main body 410 of the measuring flat 400 is engaged with the shoe surface of the traverse beam 230, the main body cannot be engaged too tightly, and the straightness of the measuring flat 400 is not affected.
In step S5, the heights of the first lower moving block 112, the second lower moving block 122, the first upper moving block 111, and the first upper moving block 121 are adjusted, and the parallelism of the raceway surfaces on which the intermediate roller bearing blocks are mounted is adjusted.
Specifically, the heights of the first lower moving block 112, the second lower moving block 122, the first upper moving block 111, and the first upper moving block 121 are adjusted so that the lower end surfaces of the first upper moving block 111 and the second upper moving block 121 are coplanar, the upper end surfaces thereof are parallel to each other, the upper end surfaces of the first lower moving block 112 and the second lower moving block 122 are coplanar, the lower end surfaces thereof are parallel to each other, and the parallelism of the raceway surfaces on which the intermediate roller bearing seats are mounted is adjusted so that the parallelism of the raceway surfaces of the intermediate bearing seats is less than 0.05mm.
It should be noted that the heights of the upper moving block and the lower moving block can be adjusted according to the rolling center line of the eighteen-roller mill, and it is necessary to ensure that the arc-shaped plate at the back of the swing arm 260 in the installed eighteen-roller mill core component is in contact with the shoe plate surface of the traverse beam 230.
In step S6, the upper fixed arm 240 is attached to the first upper moving block 111 and the second upper moving block 121, and an upper side support roller system and a lower side support roller system are connected to the upper fixed arm 240 and the lower fixed arm 250, respectively, so that the attachment accuracy of the upper side support roller system and the lower side support roller system is adjusted.
Wherein, the adjustment of the installation accuracy of the upper edge supporting roller system and the lower edge supporting roller system includes:
the feeler gauge detects a fifth gap between the arc-shaped plate of the swing arm 260 in the upper edge support roller system and each lining plate in the traverse beam 230, detects a sixth gap between the upper edge support roller system and the lower edge support roller system and the first rail surface of the first fixed block 110, respectively, detects a seventh gap between the upper edge support roller system and the lower edge support roller system and the second rail surface of the second fixed block 120, respectively, obtains a difference value between the sixth gap and the seventh gap, and adjusts the mounting accuracy of the upper edge support roller system and the lower edge support roller system according to the difference values between the fifth gap, the sixth gap, and the seventh gap.
Specifically, in the two states of the maximum and minimum strokes of the hydraulic cylinder in the swing arm 260, the traverser 230 is screwed out, the difference between the sixth gap between the upper supporting roller system and the lower supporting roller system and the rail surface of the first fixed block 110 and the seventh gap between the upper supporting roller system and the rail surface of the second fixed block 120 are detected by using the measuring flat rule 400, the gap between the arc plate of the swing arm 260 and the slide plate surface in the traverser 230 is detected by using the feeler gauge, the levelness of the roller is detected by using the level gauge, the absolute value of the difference between the sixth gap and the seventh gap is required to be less than 0.05mm, the gap between the arc plate of the swing arm 260 and the slide plate surface in the traverser 230 is not less than 80% of the length and 0.05mm of the feeler gauge, and the levelness of the roller is less than 0.05mm/m.
And (5) completing the installation of one side of the eighteen-roller mill core component by the steps S1-S6, completing the installation of the other side by the same method, and assembling the two sides to complete the installation of the eighteen-roller mill core component.
It should be understood that, in the specific installation process, the inlet side of the eighteen-roller core component may be installed first, the outlet side of the eighteen-roller core component may be installed first, or both the inlet side and the outlet side may be installed simultaneously by using two sets of installation bases 500, which may be arranged according to the field situation and the time limit requirement, and the embodiment of the present invention is not limited thereto.
By the installation tool and the installation method provided by the embodiment of the invention, the eighteen-roller mill core component can be completed under the condition of reducing the occupation of key resources, and the installation precision can be adjusted in the installation process. Compared with the installation on the core component of the eighteen-roller rolling mill on the rolling mill, the installation method provided by the embodiment of the invention can reduce the assembly field occupation period of 10 days each time, and save the installation cost by about 2 ten thousand yuan. Compared with the installation precision test on a machine tool, the installation method provided by the embodiment of the invention can reduce the occupation period of the numerical control machine tool by about 14 days, and save the detection cost by about 10 ten thousand yuan.
Although the present disclosure has been described above, the scope of the present disclosure is not limited thereto. Various changes and modifications may be effected therein by one of ordinary skill in the pertinent art without departing from the spirit and scope of the present disclosure, and these changes and modifications are intended to be within the scope of the present disclosure.

Claims (10)

1. The mounting tool for the core component of the eighteen-roller mill is characterized by comprising at least two mounting bases (500), wherein each mounting base (500) comprises a mounting frame and a base (520), the mounting frame is fixedly mounted on the base (520), the mounting frame is of a square column structure and comprises a reference surface (511), a first side surface (512) and a top surface (513), the base (520) comprises a bottom surface, a first mounting hole is formed in the reference surface (511) and used for mounting a fixing block of the eighteen-roller mill, a second mounting hole is formed in the first side surface (512) and used for mounting a fixing plate (210) of the eighteen-roller mill;
the whole planeness of the bottom surface is less than 0.05mm, the whole planeness of the reference surface (511) is less than 0.05mm, the verticality of the reference surface (511) and the bottom surface is less than 0.05mm, the whole planeness of the top surface (513) is less than 0.05mm, the parallelism of the top surface (513) and the bottom surface is less than 0.05mm, the verticality of the top surface (513) and the reference surface (511) is less than 0.05mm, the first side surface (512) is adjacent to the reference surface (511), and the first side surfaces (512) of the installation foundation (500) are arranged oppositely.
2. The mounting tool of an eighteen mill core component according to claim 1, characterized by further comprising a measuring flat (400), the measuring flat (400) comprising a main body (410) and end blocks at both ends of the main body (410).
3. A method for installing a core component of an eighteen-roller mill is characterized by comprising the following steps of:
s1, arranging two mounting bases (500) of a mounting tool of an eighteen-high rolling mill core component as claimed in claim 1 or 2 in parallel, respectively making a reference surface (511) and a top surface (513) of the two mounting bases (500) coplanar, and making first side surfaces (512) of the two mounting bases (500) oppositely arranged, and adjusting the distance between the two mounting bases (500);
s2, respectively installing a first fixed block (110) and a second fixed block (120) on the reference surfaces (511) of the two installation foundations (500), and adjusting the installation accuracy of the first fixed block (110) and the second fixed block (120);
step S3, sequentially mounting a first lower moving block (112) and a first upper moving block (111) on the first fixed block (110), sequentially mounting a second lower moving block (122) and a second upper moving block (121) on the second fixed block (120), and mounting a lower fixed arm (250) on the first lower moving block (112) and the second lower moving block (122);
s4, mounting a fixing plate (210), the fixing beam (220) and the cross sliding beam (230) on first side surfaces (512) of the two mounting bases (500);
step S5, adjusting the heights of the first lower moving block (112), the second lower moving block (122), the first upper moving block (111), and the second upper moving block (121), and adjusting the parallelism of the raceway surface on which the intermediate roller bearing housing is mounted;
step S6 of mounting an upper fixed arm (240) on the first upper moving block (111) and the second upper moving block (121), and connecting an upper edge support roller system and a lower edge support roller system to the upper fixed arm (240) and the lower fixed arm (250), respectively, to adjust mounting accuracy of the upper edge support roller system and the lower edge support roller system;
and S7, repeating the steps S1 to S6 to finish the installation of the other side of the eighteen-roller core component, and then assembling the two sides to finish the installation of the eighteen-roller core component.
4. The method for mounting a core member of an eighteen high rolling mill according to claim 3, wherein in the step S1, the making the reference surface (511) and the top surface (513) of the two mounting bases (500) coplanar respectively comprises:
detecting coplanarity between the reference surfaces (511) of the two mounting bases (500), detecting coplanarity between the top surfaces (513) of the two mounting bases (500), and adjusting the relative positions of the two mounting bases (500) according to the detected coplanarity until the coplanarity between the reference surfaces (511) and the coplanarity between the top surfaces (513) are less than 0.05mm.
5. The method for mounting a core member of an eighteen-high rolling mill according to claim 3, wherein the step S2 of adjusting the mounting accuracy of the first fixing block (110) and the second fixing block (120) comprises:
adjusting the relative positions of the first fixed block (110) and the second fixed block (120) and the corresponding installation foundation (500) until the first gaps between the first fixed block (110) and the second fixed block (120) and the corresponding installation foundation (500) are smaller than 0.05mm, and the coplanarity of the rail surfaces in the first fixed block (110) and the second fixed block (120) is smaller than 0.05mm.
6. The method of installing eighteen high rolling mill core components of claim 3, wherein the step S3 includes:
a first lower moving block (112) and a first upper moving block (111) are sequentially mounted on the first fixed block (110), a second lower moving block (122) and a second upper moving block (121) are sequentially mounted on the second fixed block (120), the lower parts of the first lower moving block (112) and the second lower moving block (122) are supported by a jack, the distance between the first lower moving block (112) and the first upper moving block (111) and the distance between the second lower moving block (122) and the second upper moving block (121) are adjusted by a spacer, and the lower fixed arm (250) is mounted on the first lower moving block (112) and the second lower moving block (122).
7. The method of installing eighteen high rolling mill core components of claim 3, further comprising, after step S4 and before step S5:
adjusting the mounting accuracy of the traverser (230).
8. The method of installing eighteen mill core components of claim 7, wherein said adjusting the installation accuracy of said traverse beam (230) comprises:
the method comprises the steps of combining a measuring flat rule (400) with a sliding plate surface of the cross sliding beam (230), measuring a second gap between the measuring flat rule (400) and the sliding plate surface, measuring a third gap between an end block in the measuring flat rule (400) and the first fixed block (110) and measuring a fourth gap between another end block in the measuring flat rule (400) and the second fixed block (120) when the cross sliding beam (230) is in a pushed-out state and when the cross sliding beam (230) is in a tightly-pushing state, obtaining a difference value of the third gap and the fourth gap, and adjusting the installation accuracy of the cross sliding beam (230) according to the difference values of the second gap, the third gap and the fourth gap.
9. The method of installing eighteen high rolling mill core components of claim 3, wherein the step S5 includes:
and adjusting the heights of the first lower moving block (112), the second lower moving block (122), the first upper moving block (111) and the second upper moving block (121) to enable the lower end surfaces of the first upper moving block (111) and the second upper moving block (121) to be coplanar and the upper end surfaces to be parallel to each other, enable the upper end surfaces of the first lower moving block (112) and the second lower moving block (122) to be coplanar and the lower end surfaces to be parallel to each other.
10. The method of mounting core members for eighteen high rolling mills according to claim 3, wherein the step S6 of adjusting the mounting accuracy of the upper edge back-up roll system and the lower edge back-up roll system includes:
the feeler gauge detects a fifth gap between an arc-shaped plate of a swing arm (260) in the upper edge supporting roller system and each lining plate in the traverse beam (230), detects a sixth gap between the upper edge supporting roller system and the lower edge supporting roller system and a first track surface of a first fixed block (110), respectively, detects a seventh gap between the upper edge supporting roller system and the lower edge supporting roller system and a second track surface of a second fixed block (120), respectively, obtains a difference value of the sixth gap and the seventh gap, and adjusts the mounting accuracy of the upper edge supporting roller system and the lower edge supporting roller system according to the difference values of the fifth gap, the sixth gap and the seventh gap.
CN202210991700.6A 2022-08-16 2022-08-16 Mounting tool and mounting method for eighteen-roller mill core component Pending CN115283446A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210991700.6A CN115283446A (en) 2022-08-16 2022-08-16 Mounting tool and mounting method for eighteen-roller mill core component

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210991700.6A CN115283446A (en) 2022-08-16 2022-08-16 Mounting tool and mounting method for eighteen-roller mill core component

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Publication Number Publication Date
CN115283446A true CN115283446A (en) 2022-11-04

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Application Number Title Priority Date Filing Date
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