CN106623414A - Method of forming high-precision bright flat steel by carrying out cold rolling on wire - Google Patents
Method of forming high-precision bright flat steel by carrying out cold rolling on wire Download PDFInfo
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- CN106623414A CN106623414A CN201611007054.6A CN201611007054A CN106623414A CN 106623414 A CN106623414 A CN 106623414A CN 201611007054 A CN201611007054 A CN 201611007054A CN 106623414 A CN106623414 A CN 106623414A
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- steel
- roll
- band steel
- slide block
- oilstone
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
- B21B1/08—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling structural sections, i.e. work of special cross-section, e.g. angle steel
- B21B1/0805—Flat bars, i.e. having a substantially rectangular cross-section
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B15/00—Arrangements for performing additional metal-working operations specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B28/00—Maintaining rolls or rolling equipment in effective condition
- B21B28/02—Maintaining rolls in effective condition, e.g. reconditioning
- B21B28/04—Maintaining rolls in effective condition, e.g. reconditioning while in use, e.g. polishing or grinding while the rolls are in their stands
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B37/00—Control devices or methods specially adapted for metal-rolling mills or the work produced thereby
- B21B37/16—Control of thickness, width, diameter or other transverse dimensions
- B21B37/22—Lateral spread control; Width control, e.g. by edge rolling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B45/00—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
- B21B45/02—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills for lubricating, cooling, or cleaning
- B21B45/0269—Cleaning
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
- C23G3/00—Apparatus for cleaning or pickling metallic material
- C23G3/02—Apparatus for cleaning or pickling metallic material for cleaning wires, strips, filaments continuously
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B15/00—Arrangements for performing additional metal-working operations specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
- B21B2015/0057—Coiling the rolled product
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B15/00—Arrangements for performing additional metal-working operations specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
- B21B2015/0064—Uncoiling the rolled product
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Metal Rolling (AREA)
Abstract
The invention discloses a method of forming high-precision bright flat steel by carrying out cold rolling on a wire. The method is characterized in that the method sequentially comprises the following steps: selection of wire coiling steel is carried out; the wire coiling steel is subjected to acid cleaning with a hydrochloric acid solution; alkaline liquor is used for neutralizing; high pressure water is used for flushing, presetting and cleaning are carried out; a first five-stand tandem rolling mill, a second five-stand tandem rolling mill, a third five-stand tandem rolling mill, a fourth five-stand tandem rolling mill and a fifth five-stand tandem rolling mill are used for primary rolling; a polished rod reciprocating winding displacement and winding machine is used for winding displacement and winding; a first three-stand tandem finishing mill, a second three-stand tandem finishing mill and a third three-stand tandem finishing mill are used to roll semifinished flat steel, and the finished flat steel with the width tolerance being less than 0.08mm, the thickness tolerance being less than 0.05mm and the surface smoothness Ra being 0.08-0.13 is formed, wherein width control mechanisms are arranged at inlets of the first three-stand tandem finishing mill, the second three-stand tandem finishing mill and the third three-stand tandem finishing mill and on-line grinding roll devices are arranged on rolls of the first three-stand tandem finishing mill, the second three-stand tandem finishing mill and the third three-stand tandem finishing mill. With the adoption of the method, the width tolerance of the rolled flat steel can be reduced, the surface smoothness of the rolled flat steel can be improved, the equipment investment can be reduced and the production efficiency can be improved.
Description
Technical field
The present invention relates to a kind of band steel milling method.Specifically, it is using the high accuracy light band steel of wire rod cold rolling
Method.
Background technology
Both know about in band steel production industry, band steel mainly there are a two methods, and one be with wider strip steel sub-cut
Into, another kind be using first flat hot rolled bar bar again the method for cold-drawn and obtain.It is thick although former can reach surface-brightening
Degree can not be limited, if thickness empress dowager just cannot sub-cut.Not only width tolerance is larger for band steel after sub-cut（Up to 0.2mm）, can also
Sub-cut burr is produced on its longitudinal both sides.Eliminate sub-cut burr, also need be equipped with eliminate burr equipment so that equipment investment compared with
It is many.Latter can ensure thickness deviation requirement, but there is poor surface smoothness（Only 1.0）, drawing head waste it is big, cannot coil
Etc. defect.Due to coiling, automatization just cannot be realized in later process so that production efficiency is relatively low.
The content of the invention
The problem to be solved in the present invention is to provide a kind of use wire rod cold rolling into the method for the bright band steel of high accuracy.Using this
Method, it is possible to decrease by the width tolerance of draw down steel, improves by the mass color cleanliness of draw down steel, and can reduce equipment investment, improves life
Produce efficiency.
The invention solves the problems that the problems referred to above by technical scheme below realize：
The present invention into the method characteristic of the bright band steel of high accuracy is to comprise the following steps successively with wire rod cold rolling：
The Wire coils steel of 6.5 ~ ∮ of ∮ 40 is first chosen, it is stand-by；
Then, it is that the hydrochloric acid solution that 15% ~ 30%, temperature is 10 ~ 30 DEG C carries out 15 ~ 20 points of pickling to Wire coils steel with concentration
Clock；
Afterwards, it is to neutralize 3 ~ 5 in the alkali liquor that 20 ~ 30%, temperature is 10 ~ 30 DEG C by concentration is immersed in through the Wire coils steel of pickling
Minute；
Afterwards, the Wire coils steel through neutralization is rinsed 3 ~ 5 minutes with giant；
Afterwards, flushed Wire coils steel is placed on unwinding rack, and is successively sent one end of Wire coils steel with conveying roller
Enter pre- school machine and cleaning machine, the residual impurity on Wire coils steel is washed away behind pre- school；
Afterwards, breaking down is carried out to the Wire coils steel through pre- school and remove impurity with the first ~ five five tandem mills, is rolled into thickness
For 1.1 ~ 1.3 times of finished product thickness, width for 1.02 ~ 1.1 times of finished width semi-finished product band steel, and with the winding of polished rod reciprocal winding displacement
Machine carries out winding displacement winding.Wherein, the width tolerance of semi-finished product band steel is controlled using rolling on edge mode in 0.2mm by the 4th milling train
Within, the thickness and width of semi-finished product band steel is controlled by the 5th milling train and semi-finished product band steel longitudinal direction both sides during rolling on edge are eliminated
Produced I-shaped side；
Afterwards, semi-finished product band steel is provided on unreeling machine, it is online equipped with being furnished with width control system mechanism and roll with entrance
It is little less than 0.08mm, thickness deviation that semi-finished product band steel is rolled into width tolerance by the company's finishing mill of the first of grinding roll device ~ three three
In 0.05mm, the finished product band steel that surface smoothness Ra is 0.08 ~ 0.13.
Wherein, the width control system mechanism includes die holder, there is what is be mutually perpendicular to and coordinate in decussation in the middle of die holder
Two conduits, the infall of two conduits has the two sides and an institute for being easy to the flat nib and flat nib passed through by draw down steel
The longitudinal direction for stating conduit is parallel so that two conduits are connected with flat nib.That conduit corresponding with flat nib two ends
There are roller and the first slide block, described two conduit two ends in two sections of that conduit answered in two sections and with flat nib mesophase
Die holder on have the screw connected with corresponding conduit, be rotary with bolt in the outer end of the screw, the bolt inner end with
Corresponding first slide block offsets, the cylindrical side of the roller with offset on the inside of corresponding first slide block, two on same plane
The cylindrical opposite side of individual roller respectively with offseted by the two sides of draw down steel, the cylindrical opposite side of the another two roller on same plane
Respectively with offseted by longitudinal both sides of draw down steel.
The die holder is discoid.
The online grinding roll device includes base plate and the second slide block, have on base plate with by the parallel longitudinal direction in the axial direction of mill roll
Through hole.There is longitudinally disposed therealong two axis hole on second slide block, the second slide block is in by two screw rods and two axis holes
Slip shape is placed on base plate.There is a supporting plate slide block one end, and supporting plate is rectangle, longitudinal one end phase of its one end and the second slide block
It is connected, between having between the roll surface of the other end and roll.The perpendicular of the plate face of supporting plate and the second slide block, supporting plate is adjacent to the
There is gripper shoe the side of two slide blocks, and there are respectively the first key seat and the second key seat in the two ends below gripper shoe, on first and second key seat
There is guide rod.One end of two guide rods is fixed on supporting plate, and the other end is stretched out outside corresponding key seat, and that of adjacent rollers
There are the first spring and stopper on the external part of guide rod successively from inside to outside.It is fixed on that guide rod between the second key seat and supporting plate
There is bevel wheel, the bevel wheel contacts for cylindrical with roll.Oilstone box is fixed with the gripper shoe of adjacent rollers, oilstone box is neighbouring
One end of roll has in opening, oilstone box successively from inside to outside second spring and oilstone block, in the oilstone block and oilstone box
It is in be slidably matched and offseted with the roll surface of roll by opening between wall.
Further improvement of the present invention scheme is fixed respectively on the gripper shoe one end and oilstone box rear wall away from roll
There are the first sliding sleeve and the second sliding sleeve, same push rod is installed between the first sliding sleeve and the second sliding sleeve, between the first sliding sleeve and the second sliding sleeve
Push rod on be cased with the 3rd spring.There is radial direction boss the push rod inner end and stretches in oilstone box, and the second spring is enclosed within footpath
To on that section of push rod between boss and oilstone box rear wall, the radial direction boss withstands the oilstone block.
Further improvement of the present invention scheme is that the gripper shoe has kink upwards away from one end of roll, is bent up
There is through hole on folding part, first sliding sleeve is fixed in the through hole.
Further improvement of the present invention scheme is that the lateral surface of the oilstone block is the radian and quilt of cancave cambered surface and cancave cambered surface
The cylindrical radian of mill roll is adapted.
Further improvement of the present invention scheme is that the slide block and supporting plate are structure as a whole, and they are with approximate 7 font
Steel plate bending form.
By above scheme as can be seen that due to the Wire coils steel using 6.5 ~ ∮ of ∮ 40, Jing pickling, flushing, pre- school, five
The continuous breaking down of blooming mill, the continuous finish rolling of three finishing mills, and by the 4th milling train in five blooming mills using rolling on edge mode come
The width tolerance of control semi-finished product band steel controls the thickness of semi-finished product band steel so that thickness within 0.2mm by the 5th milling train
Tolerance is can be controlled within ± 0.05mm, so as to reduce the width tolerance and thickness deviation of band steel, improves the processing of product
Quality.
Again due to the thickness and width by the 5th milling train control semi-finished product band steel, not only thickness deviation is less（Only ±
Within 0.05mm）, the I shape side produced by the both sides of semi-finished product band steel longitudinal direction during rolling on edge is also eliminated, substantially increase product
Quality.
Because the entrance for connecting finishing mill at the first ~ three three is provided with width control system mechanism so that what is rolled out is flat
Steel width tolerance is less, less than 0.08mm.
Due to being furnished with online grinding roll device on the roll for connecting finishing mill at the first ~ three three, roll surface is greatly improved
Fineness, make band steel surface smoothness Ra after finish rolling there was only 0.08 ~ 0.13, so as to substantially increase the bright and clean of band steel surface
Degree.
In addition, the band steel rolled out using the present invention, can be vertical bar, it is also possible to around discoid.And the plate-like that is coiled into is flat
Steel is up to 2.3 tons/disk.Because the present invention is using cold rolling, compared with the hot rolling in background technology, without drawing head, it is to avoid wave is pulled out
The waste of head.
Because the present invention is formed using Wire coils steel is cold rolling, length is longer, can coil, and is capable of achieving certainly in later process
Dynamicization, so as to can production efficiency.
Description of the drawings
Fig. 1 is the width control system mechanism structure schematic diagram in the present invention；
Fig. 2 is the online grinding roll device structural representation in the present invention.
Specific embodiment
The present invention is described in further details with reference to embodiments.
Embodiment one
The Q195 Wire coils steel of ∮ 8 is first chosen, it is stand-by.
Then, it is hydrochloric acid solution that 15%, temperature is 10 DEG C to Wire coils steel pickling 15 minutes with concentration.
Afterwards, it is that 3 points are neutralized in the alkali liquor that 20%, temperature is 10 DEG C by concentration is immersed in through the Wire coils steel of pickling
Clock.
Afterwards, the Wire coils steel through neutralization is rinsed 3 minutes with giant.
Afterwards, flushed Wire coils steel is placed on unwinding rack, and with conveying roller by one end of Wire coils steel according to
It is secondary to send into pre- school machine and cleaning machine, the residual impurity on Wire coils steel is washed away behind pre- school.
Afterwards, breaking down is carried out to the Wire coils steel through pre- school and remove impurity with the tandem mill of First ~ five five, is rolled
It is 1.2 times of finished product thickness into thickness（Thickness rolls into 4.8 ± 0.05mm）, width be 1.05 times of finished width（10.5±0.1mm）
Semi-finished product band steel, and while be wound into band steel volume.Wherein：Semi-finished product band steel is controlled using rolling on edge mode by the 4th milling train
Width tolerance within 0.2mm, controlled the thickness and width of semi-finished product band steel by the 5th milling train and eliminated during rolling on edge
I shape side produced by the both sides of semi-finished product band steel longitudinal direction.
Afterwards, semi-finished product band steel is provided on unreeling machine, is equipped with width control system mechanism and roll with entrance and is furnished with
First ~ three three of online grinding roll device connects finishing mill and semi-finished product band steel is rolled into into width tolerance for 0.06mm, thickness public affairs
The finished product band steel that difference is 0.035mm, surface smoothness Ra is 0.08 ± 0.01.The width of the finished product band steel is 10mm, thickness is
4mm.
As shown in figure 1, the width control system mechanism includes die holder 2, the die holder 2 is discoid, and it passes through in the mounted state
Support is arranged on every finishing mill entrance that First ~ three three connects in finishing mill.
Two conduits 5 are machined with the middle of die holder 2, wherein, in being vertically arranged, another conduit 5 is in horizontal cloth to a conduit 5
Put so that between two conduits 5 be in cross-shaped arrangement, their infall be machined be easy to by draw down steel 7 pass through it is transversal
Face is rectangular flat nib, and the upper and lower surface of flat nib is parallel with the longitudinal direction of that conduit 5 in lateral arrangement, and
Two conduits 5 are connected with flat nib.In 5 two sections of that conduit in lateral arrangement and in that conduit 5 being vertically arranged
The slide block 4 of roller 1 and first is mounted in two sections.The center of the roller 1 is connected with wheel shaft 6, and the two ends of wheel shaft 6 are in by bearing can
On contorted two cell walls installed in corresponding conduit 5 and make the roller 1 can be along the longitudinal sliding motion of corresponding conduit 5.
The screw connected with corresponding conduit 5 is machined with the die holder 2 at the two ends of described two conduits 5, outside the screw
Screwed bolt 3 in end, the inner end of the bolt 3 offsets with corresponding first slide block 4, the cylindrical side of the roller 1 with
The inner side of corresponding first slide block 4 offsets.Cylindrical opposite side in two rollers 1 in the conduit 5 being vertically arranged respectively with rolled
The top and bottom of band steel 7 offset, the cylindrical opposite side of two rollers 1 in the conduit 5 in lateral arrangement respectively with by draw down steel 7
Longitudinal both sides offset.
As shown in Fig. 2 the online grinding roll device includes the slide block 10 of base plate 27 and second, under installment state, the base plate 27
It is fixed in the frame of neighbouring milling train side.Be machined with base plate 27 with by the parallel longitudinal hole 8 in the axial direction of mill roll 22.
Longitudinally disposed therealong two axis hole is machined with second slide block 10, the second slide block 10 is by two screw rods 9 and two axles
Hole is placed on base plate 27 in slip shape.Second slide block 10 is rectangle, and its one end is connected with supporting plate 13.Second slide block 10 and support
Plate 13 is structure as a whole, and they are formed with the steel plate bending of approximate 7 font.The roll surface of the other end of the second slide block 10 and roll 22
Between leave spacing.The plate face of supporting plate 13 is perpendicular with the plate face of the second slide block 10, supporting plate 13 adjacent to the second slide block 10 one
Side is provided with gripper shoe 26, and the two ends below gripper shoe 26 are respectively welded the first key seat 25 and the second key seat 23, first and second pin
Guide rod 12 is provided with seat；One end of two guide rods 12 is each attached on supporting plate 13, and the other end is stretched out corresponding first and second
Outside key seat, and it is disposed with the first spring 20 and stopper on the external part of that guide rod 12 of adjacent rollers 22 from inside to outside
21.Bevel wheel 17, in the relative both sides of the bevel wheel, one are installed on that guide rod 12 between the second key seat 23 and supporting plate 13
While being thicker than another side.Cylindrical of the cylindrical and roll 22 of the bevel wheel 17 contacts.Weld in the gripper shoe 26 of adjacent rollers 22
Oilstone box 18 is connected to, one end of the adjacent rollers 22 of oilstone box 18 is machined with opening, oilstone box 18 and is disposed with from inside to outside
Second spring and oilstone block 19, are in be slidably matched and by opening and roll 22 between the oilstone block 19 and the inwall of oilstone box 18
Roll surface offsets.
The first sliding sleeve 14 and are respectively fixed with the one end of gripper shoe 26 away from roll 22 and the rear wall of oilstone box 18
Two sliding sleeves 16, are installed with same push rod 15, between the first sliding sleeve 14 and the second sliding sleeve 16 between the first sliding sleeve 14 and the second sliding sleeve 16
The 3rd spring 24 is cased with push rod 15.The inner end of the push rod 15 is machined with radial direction boss and stretches in oilstone box 18, radial direction boss
With second spring is cased with that section of push rod 15 between the rear wall of oilstone box 18, the radial direction boss withstands the oilstone block 19.
For ease of fixing the first sliding sleeve 7, it is machined with away from one end of roll 15 in the gripper shoe 19 and is bent up folding part 4,
It is bent up being machined with through hole on folding part 4, first sliding sleeve 7 is welded in the through hole.
To improve grinding roller efficiency, the lateral surface of the oilstone block 12 is processed into cancave cambered surface, and the radian of cancave cambered surface with ground
The cylindrical radian of roll 15 is adapted.
Embodiment two
The Q195 Wire coils steel of ∮ 16 is first chosen, it is stand-by.
Then, with the hydrochloric acid solution that concentration 23%, temperature is 18 DEG C to Wire coils steel pickling 17 minutes.
Afterwards, it is that 4 points are neutralized in the alkali liquor that 25%, temperature is 18 DEG C by concentration is immersed in through the Wire coils steel of pickling
Clock.
Afterwards, the Wire coils steel through neutralization is rushed 4 minutes with giant.
Afterwards, flushed Wire coils steel is placed on unwinding rack, and with conveying roller by one end of Wire coils steel according to
It is secondary to send into pre- school machine and cleaning machine, the residual impurity on Wire coils steel is washed away behind pre- school.
Afterwards, breaking down is carried out to the Wire coils steel through pre- school and remove impurity with the tandem mill of First ~ five five, is rolled
It is 1.25 times of finished product thickness into thickness（Thickness rolls into 6.25 ± 0.05mm）, width be 1.03 times of finished width（20.6±
0.1mm）Semi-finished product band steel, and while be wound into band steel volume.Wherein：By the 4th milling train controlled using rolling on edge mode half into
The width tolerance of product band steel controls the thickness and width of semi-finished product band steel and eliminates rolling on edge within 0.2mm by the 5th milling train
During semi-finished product band steel longitudinal direction both sides produced by I shape side.
Afterwards, semi-finished product band steel is provided on unreeling machine, is equipped with width control system mechanism and roll with entrance and is furnished with
First ~ three three of online grinding roll device connects finishing mill and semi-finished product band steel is rolled into into width tolerance for 0.07mm, thickness public affairs
The finished product band steel that difference is 0.04mm, surface smoothness Ra is 0.013 ± 0.01.The thickness of the finished product band steel is 5.0mm, width is
20mm。
As shown in figure 1, the width control system mechanism includes die holder 2, the die holder 2 is discoid, and it is in the mounted state
Every finishing mill entrance in the company of First ~ three three finishing mill is arranged on by support.
Two conduits 5 are machined with the middle of die holder 2, wherein, in being vertically arranged, another conduit 5 is in horizontal cloth to a conduit 5
Put so that between two conduits 5 be in cross-shaped arrangement, their infall be machined be easy to by draw down steel 7 pass through it is transversal
Face is rectangular flat nib, and the upper and lower surface of flat nib is parallel with the longitudinal direction of that conduit 5 in lateral arrangement, and
Two conduits 5 are connected with flat nib.In 5 two sections of that conduit in lateral arrangement and in that conduit 5 being vertically arranged
The slide block 4 of roller 1 and first is mounted in two sections.The center of the roller 1 is connected with wheel shaft 6, and the two ends of wheel shaft 6 are in by bearing can
On contorted two cell walls installed in corresponding conduit 5 and make the roller 1 can be along the longitudinal sliding motion of corresponding conduit 5.
The screw connected with corresponding conduit 5 is machined with the die holder 2 at the two ends of described two conduits 5, outside the screw
Screwed bolt 3 in end, the inner end of the bolt 3 offsets with corresponding first slide block 4, the cylindrical side of the roller 1 with
The inner side of corresponding first slide block 4 offsets.Cylindrical opposite side in two rollers 1 in the conduit 5 being vertically arranged respectively with rolled
The top and bottom of band steel 7 offset, the cylindrical opposite side of two rollers 1 in the conduit 5 in lateral arrangement respectively with by draw down steel 7
Longitudinal both sides offset.
As shown in Fig. 2 the online grinding roll device includes the slide block 10 of base plate 27 and second, under installment state, the base plate 27
It is fixed in the frame of neighbouring milling train side.Be machined with base plate 27 with by the parallel longitudinal hole 8 in the axial direction of mill roll 22.
Longitudinally disposed therealong two axis hole is machined with second slide block 10, the second slide block 10 is by two screw rods 9 and two axles
Hole is placed on base plate 27 in slip shape.Second slide block 10 is rectangle, and its one end is connected with supporting plate 13.Second slide block 10 and support
Plate 13 is structure as a whole, and they are formed with the steel plate bending of approximate 7 font.The roll surface of the other end of the second slide block 10 and roll 22
Between leave spacing.The plate face of supporting plate 13 is perpendicular with the plate face of the second slide block 10, supporting plate 13 adjacent to the second slide block 10 one
Side is provided with gripper shoe 26, and the two ends below gripper shoe 26 are respectively welded the first key seat 25 and the second key seat 23, first and second pin
Guide rod 12 is provided with seat；One end of two guide rods 12 is each attached on supporting plate 13, and the other end is stretched out corresponding first and second
Outside key seat, and it is disposed with the first spring 20 and stopper on the external part of that guide rod 12 of adjacent rollers 22 from inside to outside
21.Bevel wheel 17, in the relative both sides of the bevel wheel, one are installed on that guide rod 12 between the second key seat 23 and supporting plate 13
While being thicker than another side.Cylindrical of the cylindrical and roll 22 of the bevel wheel 17 contacts.Weld in the gripper shoe 26 of adjacent rollers 22
Oilstone box 18 is connected to, one end of the adjacent rollers 22 of oilstone box 18 is machined with opening, oilstone box 18 and is disposed with from inside to outside
Second spring and oilstone block 19, are in be slidably matched and by opening and roll 22 between the oilstone block 19 and the inwall of oilstone box 18
Roll surface offsets.
The first sliding sleeve 14 and are respectively fixed with the one end of gripper shoe 26 away from roll 22 and the rear wall of oilstone box 18
Two sliding sleeves 16, are installed with same push rod 15, between the first sliding sleeve 14 and the second sliding sleeve 16 between the first sliding sleeve 14 and the second sliding sleeve 16
The 3rd spring 24 is cased with push rod 15.The inner end of the push rod 15 is machined with radial direction boss and stretches in oilstone box 18, radial direction boss
With second spring is cased with that section of push rod 15 between the rear wall of oilstone box 18, the radial direction boss withstands the oilstone block 19.
For ease of fixing the first sliding sleeve 7, it is machined with away from one end of roll 15 in the gripper shoe 19 and is bent up folding part 4,
It is bent up being machined with through hole on folding part 4, first sliding sleeve 7 is welded in the through hole.
To improve grinding roller efficiency, the lateral surface of the oilstone block 12 is processed into cancave cambered surface, and the radian of cancave cambered surface with ground
The cylindrical radian of roll 15 is adapted.
Embodiment three
The Q195 Wire coils steel of ∮ 30 is first chosen, it is stand-by.
Then, it is hydrochloric acid solution that 30%, temperature is 30 DEG C to Wire coils steel pickling 20 minutes with concentration.
Afterwards, will be immersed in the alkali liquor that concentration 30%, temperature is 30 DEG C through the Wire coils steel of pickling and neutralize 5 minutes.
Afterwards, the Wire coils steel through neutralization is rinsed 5 minutes with giant.
Afterwards, flushed Wire coils steel is placed on unwinding rack, and with conveying roller by one end of Wire coils steel according to
It is secondary to send into pre- school machine and cleaning machine, the residual impurity on Wire coils steel is washed away behind pre- school.
Afterwards, breaking down is carried out to the Wire coils steel through pre- school and remove impurity with the tandem mill of First ~ five five, is rolled
It is 1.3 times of finished product thickness into thickness（Thickness rolls into 7.8 ± 0.05mm）, width be 1.03 times of finished width（41.2±0.1mm）
Semi-finished product band steel, and while be wound into band steel volume.Wherein：Semi-finished product band steel is controlled using rolling on edge mode by the 4th milling train
Width tolerance within 0.2mm, controlled the thickness and width of semi-finished product band steel by the 5th milling train and eliminated during rolling on edge
I shape side produced by the both sides of semi-finished product band steel longitudinal direction.
Afterwards, semi-finished product band steel is provided on unreeling machine, is equipped with width control system mechanism and roll with entrance and is furnished with
First ~ three three of online grinding roll device connects finishing mill and semi-finished product band steel is rolled into into width tolerance for 0.078mm, thickness public affairs
Difference is less than 0.045mm, the finished product band steel that surface smoothness Ra is 0.09 ± 0.01.The thickness of the finished product band steel is 6.0mm, width
For 40mm.
As shown in figure 1, the width control system mechanism includes die holder 2, the die holder 2 is discoid, and it is in the mounted state
Every finishing mill entrance in the company of First ~ three three finishing mill is arranged on by support.
Two conduits 5 are machined with the middle of die holder 2, wherein, in being vertically arranged, another conduit 5 is in horizontal cloth to a conduit 5
Put so that between two conduits 5 be in cross-shaped arrangement, their infall be machined be easy to by draw down steel 7 pass through it is transversal
Face is rectangular flat nib, and the upper and lower surface of flat nib is parallel with the longitudinal direction of that conduit 5 in lateral arrangement, and
Two conduits 5 are connected with flat nib.In 5 two sections of that conduit in lateral arrangement and in that conduit 5 being vertically arranged
The slide block 4 of roller 1 and first is mounted in two sections.The center of the roller 1 is connected with wheel shaft 6, and the two ends of wheel shaft 6 are in by bearing can
On contorted two cell walls installed in corresponding conduit 5 and make the roller 1 can be along the longitudinal sliding motion of corresponding conduit 5.
The screw connected with corresponding conduit 5 is machined with the die holder 2 at the two ends of described two conduits 5, outside the screw
Screwed bolt 3 in end, the inner end of the bolt 3 offsets with corresponding first slide block 4, the cylindrical side of the roller 1 with
The inner side of corresponding first slide block 4 offsets.Cylindrical opposite side in two rollers 1 in the conduit 5 being vertically arranged respectively with rolled
The top and bottom of band steel 7 offset, the cylindrical opposite side of two rollers 1 in the conduit 5 in lateral arrangement respectively with by draw down steel 7
Longitudinal both sides offset.
As shown in Fig. 2 the online grinding roll device includes the slide block 10 of base plate 27 and second, under installment state, the base plate 27
It is fixed in the frame of neighbouring milling train side.Be machined with base plate 27 with by the parallel longitudinal hole 8 in the axial direction of mill roll 22.
Longitudinally disposed therealong two axis hole is machined with second slide block 10, the second slide block 10 is by two screw rods 9 and two axles
Hole is placed on base plate 27 in slip shape.Second slide block 10 is rectangle, and its one end is connected with supporting plate 13.Second slide block 10 and support
Plate 13 is structure as a whole, and they are formed with the steel plate bending of approximate 7 font.The roll surface of the other end of the second slide block 10 and roll 22
Between leave spacing.The plate face of supporting plate 13 is perpendicular with the plate face of the second slide block 10, supporting plate 13 adjacent to the second slide block 10 one
Side is provided with gripper shoe 26, and the two ends below gripper shoe 26 are respectively welded the first key seat 25 and the second key seat 23, first and second pin
Guide rod 12 is provided with seat；One end of two guide rods 12 is each attached on supporting plate 13, and the other end is stretched out corresponding first and second
Outside key seat, and it is disposed with the first spring 20 and stopper on the external part of that guide rod 12 of adjacent rollers 22 from inside to outside
21.Bevel wheel 17, in the relative both sides of the bevel wheel, one are installed on that guide rod 12 between the second key seat 23 and supporting plate 13
While being thicker than another side.Cylindrical of the cylindrical and roll 22 of the bevel wheel 17 contacts.Weld in the gripper shoe 26 of adjacent rollers 22
Oilstone box 18 is connected to, one end of the adjacent rollers 22 of oilstone box 18 is machined with opening, oilstone box 18 and is disposed with from inside to outside
Second spring and oilstone block 19, are in be slidably matched and by opening and roll 22 between the oilstone block 19 and the inwall of oilstone box 18
Roll surface offsets.
The first sliding sleeve 14 and are respectively fixed with the one end of gripper shoe 26 away from roll 22 and the rear wall of oilstone box 18
Two sliding sleeves 16, are installed with same push rod 15, between the first sliding sleeve 14 and the second sliding sleeve 16 between the first sliding sleeve 14 and the second sliding sleeve 16
The 3rd spring 24 is cased with push rod 15.The inner end of the push rod 15 is machined with radial direction boss and stretches in oilstone box 18, radial direction boss
With second spring is cased with that section of push rod 15 between the rear wall of oilstone box 18, the radial direction boss withstands the oilstone block 19.
For ease of fixing the first sliding sleeve 7, it is machined with away from one end of roll 15 in the gripper shoe 19 and is bent up folding part 4,
It is bent up being machined with through hole on folding part 4, first sliding sleeve 7 is welded in the through hole.
To improve grinding roller efficiency, the lateral surface of the oilstone block 12 is processed into cancave cambered surface, and the radian of cancave cambered surface with ground
The cylindrical radian of roll 15 is adapted.
Claims (8)
1. wire rod cold rolling is used into the method for the bright band steel of high accuracy, it is characterised in that comprise the following steps successively：
The Wire coils steel of 6.5 ~ ∮ of ∮ 40 is first chosen, it is stand-by；
Then, it is that the hydrochloric acid solution that 15% ~ 30%, temperature is 10 ~ 30 DEG C carries out 15 ~ 20 points of pickling to Wire coils steel with concentration
Clock；
Afterwards, it is to neutralize 3 ~ 5 in the alkali liquor that 20 ~ 30%, temperature is 10 ~ 30 DEG C by concentration is immersed in through the Wire coils steel of pickling
Minute；
Afterwards, the Wire coils steel through neutralization is rinsed 3 ~ 5 minutes with giant；
Afterwards, flushed Wire coils steel is placed on unwinding rack, and is successively sent one end of Wire coils steel with conveying roller
Enter pre- school machine and cleaning machine, the residual impurity on Wire coils steel is washed away behind pre- school；
Afterwards, breaking down is carried out to the Wire coils steel through pre- school and remove impurity with the first ~ five five tandem mills, is rolled into thickness
For 1.1 ~ 1.3 times of finished product thickness, width for 1.02 ~ 1.1 times of finished width semi-finished product band steel, and with the winding of polished rod reciprocal winding displacement
Machine carries out winding displacement winding；Wherein, the width tolerance of semi-finished product band steel is controlled using rolling on edge mode in 0.2mm by the 4th milling train
Within, the thickness and width of semi-finished product band steel is controlled by the 5th milling train and semi-finished product band steel longitudinal direction both sides during rolling on edge are eliminated
Produced I-shaped side；
Afterwards, semi-finished product band steel is provided on unreeling machine, it is online equipped with being furnished with width control system mechanism and roll with entrance
It is little less than 0.08mm, thickness deviation that semi-finished product band steel is rolled into width tolerance by the company's finishing mill of the first of grinding roll device ~ three three
In 0.05mm, the finished product band steel that surface smoothness Ra is 0.08 ~ 0.13.
2. method of the use wire rod cold rolling according to claim 1 into the bright band steel of high accuracy, it is characterised in that the width
Controlling organization includes die holder, there is two conduits for being mutually perpendicular to and coordinating in decussation, the friendship of two conduits in the middle of die holder
Have at fork and be easy to the two sides of the flat nib and flat nib passed through by draw down steel parallel with the longitudinal direction of a conduit, make
Obtain two conduits to connect with flat nib；In two sections of that conduit corresponding with flat nib two ends and with flat nib in the middle of
There are roller and the first slide block in corresponding two sections of that conduit, have on the die holder at described two conduit two ends and corresponding conduit
The screw of connection, is rotary with bolt in the outer end of the screw, the bolt inner end offsets with corresponding first slide block, the rolling
The cylindrical side of wheel with offset on the inside of corresponding first slide block, the cylindrical opposite side of two on same plane roller respectively with
Offseted by the two sides of draw down steel, the cylindrical opposite side of the another two roller on same plane respectively with by longitudinal both sides of draw down steel
Offset.
3. method of the use wire rod cold rolling according to claim 2 into the bright band steel of high accuracy, it is characterised in that the die holder
For discoid.
4. method of the use wire rod cold rolling according to claim 1 into the bright band steel of high accuracy, it is characterised in that described online
Grinding roll device includes base plate and the second slide block, have on base plate with by the parallel longitudinal hole in the axial direction of mill roll；Described second slides
There is longitudinally disposed therealong two axis hole on block, the second slide block is placed in base plate by two screw rods and two axis holes in slip shape
On；There is supporting plate slide block one end, and supporting plate is rectangle, and its one end is fixedly connected with longitudinal one end of the second slide block, the other end with
There is spacing between the roll surface of roll；The perpendicular of the plate face of supporting plate and the second slide block, supporting plate adjacent to the second slide block one
There is gripper shoe side, and there are respectively the first key seat and the second key seat in the two ends below gripper shoe, there is guide rod on first and second key seat；Two
One end of guide rod is fixed on supporting plate, the other end is stretched out outside corresponding key seat, and that guide rod of adjacent rollers is stretched
Going out on end has successively from inside to outside the first spring and stopper；Inclined-plane is fixed with that guide rod between the second key seat and supporting plate
Wheel, the bevel wheel contacts for cylindrical with roll；Oilstone box is fixed with the gripper shoe of adjacent rollers, oilstone box adjacent rollers
One end has in opening, oilstone box and has second spring and oilstone block successively from inside to outside, is between the oilstone block and oilstone box inwall
It is slidably matched and is offseted with the roll surface of roll by opening.
5. method of the use wire rod cold rolling according to claim 4 into the bright band steel of high accuracy, it is characterised in that away from roll
Gripper shoe one end and oilstone box rear wall on be respectively fixed with the first sliding sleeve and the second sliding sleeve, between the first sliding sleeve and the second sliding sleeve
Same push rod is installed with, the 3rd spring is cased with the push rod between the first sliding sleeve and the second sliding sleeve；There is radial convex the push rod inner end
Platform is simultaneously stretched in oilstone box, and the second spring is enclosed within that section of push rod between radial direction boss and oilstone box rear wall, the footpath
The oilstone block is withstood to boss.
6. method of the use wire rod cold rolling according to claim 5 into the bright band steel of high accuracy, it is characterised in that the support
Plate has kink upwards away from one end of roll, is bent up having through hole on folding part, and first sliding sleeve is fixed in the through hole.
7. method of the use wire rod cold rolling according to claim 4 into the bright band steel of high accuracy, it is characterised in that the oilstone
The lateral surface of block is cancave cambered surface and the radian of cancave cambered surface and be adapted by the cylindrical radian of mill roll.
8. into the method for the bright band steel of high accuracy, its feature exists the use wire rod cold rolling according to any one of claim 4 ~ 7
It is structure as a whole in the slide block and supporting plate, they are formed with the steel plate bending of approximate 7 font.
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| CN201611007054.6A CN106623414B (en) | 2016-11-18 | 2016-11-18 | Method with wire rod cold rolling into the bright band steel of high accuracy |
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| CN201611007054.6A CN106623414B (en) | 2016-11-18 | 2016-11-18 | Method with wire rod cold rolling into the bright band steel of high accuracy |
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