CN106624651A - Variable-thickness proximate matter production method and production line - Google Patents
Variable-thickness proximate matter production method and production line Download PDFInfo
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- CN106624651A CN106624651A CN201611222712.3A CN201611222712A CN106624651A CN 106624651 A CN106624651 A CN 106624651A CN 201611222712 A CN201611222712 A CN 201611222712A CN 106624651 A CN106624651 A CN 106624651A
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- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
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Abstract
The invention relates to a variable-thickness proximate matter production method and production line. Variable-thickness strip steel is adopted as a raw material, all processes from uncoiling to annealing to molding to shearing and the like are completed on line, production processes including uncoiling, welding, degreasing, online heat treatment, surface cladding, flattening, roll molding, proximate matter welding, shearing, stacking and the like are integrated, and the production method and production line are used for full-continuous automatic production of variable-thickness proximate matter. By means of the production method, the production processes including online heat treatment, surface cladding, molding, accurate shearing and the like of the variable-thickness proximate matter can be achieved, the defects that existing variable-thickness proximate matter cannot be continuously produced, the shearing accuracy is low, the labor intensity is high, and the production cost is high are overcome, the production efficiency of the variable-thickness proximate matter is greatly improved, and the good economic benefit is obtained. By means of the variable-thickness proximate matter production method and production line, the single production process of the variable-thickness proximate matter in the prior art can be replaced, the production process of the variable-thickness proximate matter can be simplified, and continuous and uninterrupted production of the variable-thickness proximate matter is achieved.
Description
Technical field
The present invention relates to shape extrusion technology, the production method and production line of more particularly to a kind of Varying-thickness section bar.
Background technology
For the target of automobile lightweight, current automobile industry is being promoted the use of a kind of by rolling vertical
To thickness continually varying band --- thickening plate, as shown in Figure 1.Thickening plate forms the type of Varying-thickness after processing and forming
Material, some parts on the alternative automobile of Varying-thickness section bar mitigate the weight of automobile, finally realize the energy-saving and emission-reduction of automobile.
At present, both at home and abroad existing technology carries out the production of thickening plate and thickening degree type using single production process mostly
The processing of material.In prior art, the technique productions such as equal thickness coil of strip Jing uncoilings, singlestandmill rolling, curling go out Varying-thickness steel
Volume；The production processes such as Varying-thickness coil of strip Jing uncoilings, degreasing, curling, entire volume bell-type annealing carry out the degreasing and annealing of thickening coil of strip；
The operations such as Varying-thickness coil of strip Jing uncoilings, leveling, shearing, stacking after annealing produce thickening plate；Thickening plate Jing cold roll formings add
The operation such as work and welding produces Varying-thickness section bar.
The production technology low production efficiency of existing Varying-thickness section bar, production cost is high, high labor intensive, and can not be continuous
Production.Even if some technologies can realize that the long-time of Varying-thickness section bar multiple operation is continuously produced, but still can not realize full-range
Continuous production.As China Patent Publication No. 102513806A discloses a kind of " longitudinal variable-thickness cold-bent section bars in continuous rolling manner shaping
Method and its device ", the patent with equal thickness coiled material as raw material, after uncoiling Jing after leveling, pickling enter Varying-thickness rolling system
Carry out Varying-thickness rolling, then Jing degreasing, become after in line tempering and be longitudinally continuous Varying-thickness sheet material, enter after skin pass rolling, slitting
Roll forming device simultaneously shapes final section bar, into discharge pedestal；The patent can realize the rolling of longitudinal variable-thickness section bar, clod wash into
Type is carried out simultaneously in same production unit, with the not uncoiling with welding machine in certain advance, but the disclosure patent
The device of section and storage strip, is only capable of realizing the continuous production of monovolume equal thickness coiled material, it is impossible to realize the complete of Varying-thickness section bar
Continuous uninterrupted production；Without section bar infeed set-up in the patent, more without the precise control device that section bar is crosscutting, it is impossible to ensure section bar
The length thickness required precision of product, product percent defective is higher.
The content of the invention
It is an object of the invention to provide the production method and production line of a kind of Varying-thickness section bar, can realize Varying-thickness section bar
The production process such as burning optimization on line, overlay coating, shaping and accurate shearing, overcome existing Varying-thickness section bar continuously to give birth to
The high shortcoming of product, low shear precision, high labor intensive, production cost, greatly improves the production efficiency of Varying-thickness section bar, obtains good
Good economic benefit.The present invention can substitute the single production process of Varying-thickness section bar in prior art, simplify Varying-thickness section bar
Production process, realize the continuous uninterrupted production of Varying-thickness section bar.
To reach above-mentioned purpose, the technical scheme is that：
A kind of production method of Varying-thickness section bar, it is comprised the following steps：
A) Varying-thickness strip Jing uncoiler uncoilings, cut off first the magnetic tape trailer of upper a roll Varying-thickness strip, and then crop end is cut
Cut off taking the lead for the Varying-thickness strip after uncoiling；
B) will be welded together with steel taping head and upper a roll of Varying-thickness steel end by welding machine becomes continous way Varying-thickness
Strip, and entry loop is entered, store strip；
C) continuous variable thickness strip carries out degreasing into degreasing section；
D) continuous variable thickness strip carries out burning optimization on line into burning optimization on line section；
E) continuous variable thickness strip carries out leveling into withdrawal straightening machine；Continuous variable thickness strip after leveling enters inlet/outlet work
Set；
F) continuous variable thickness strip enters device for rolling and molding, is continuous variable thickness by continuous variable thickness strip roll-forming
Section bar；
G) continuous variable thickness section bar carries out thickness measuring and tests the speed through calibrator, speed measuring device；
H) continuous variable thickness section bar Jing angle shears requires to carry out cutting according to the length thickness of finished product Varying-thickness section bar,
It is cut to single Varying-thickness section bar；
I) single Varying-thickness section bar carries out the stacking of Varying-thickness section bar in stacking section.
Further, after step d) continuous variable thickness strip burning optimization on line plated surface interval is introduced into continuous variable thickness band
Steel surface carries out metal cladding, then withdrawal straightening machine carries out leveling.
Preferably, the plated surface interval by the way of plating or hot dip Varying-thickness belt steel surface is zinc-plated, tin, chromium,
One or more metals in magnesium and aluminium, or aluminize silicon cladding in Varying-thickness belt steel surface.
The Varying-thickness strip comes from Varying-thickness milling train, and the alternative condition of Varying-thickness strip is the length of Varying-thickness strip
Finished product Varying-thickness profile length and thickness requirement are substantially met with thickness.
The uncoiler is used for Varying-thickness coil of strip uncoiling, after a roll of Varying-thickness coil of strip uncoiling terminates, another volume Varying-thickness
Coil of strip upper quickly must be rolled up to ensure the smooth production of Varying-thickness section bar.
The crop end is cut for cutting off newly upper Varying-thickness steel coil strip head and upper Varying-thickness coil of strip magnetic tape trailer；
The welding machine is used to weld together new upper Varying-thickness band steel taping head with upper Varying-thickness steel end, the company of being formed
Continuous Varying-thickness strip.
The entry loop is used to store continuous variable thickness strip, and in the case of the not upper volume of the normal uncoiling of uncoiler, entrance is lived
Set keeps higher set amount；When volume, uncoiling, welder on uncoiler, entry loop release set amount, it is ensured that Varying-thickness section bar
Continuous production.
The degreasing section is used to remove the impurity such as iron powder, ROLLING OIL, the emulsion of continuous variable thickness belt steel surface, is lower road
Operation burning optimization on line is prepared.
The burning optimization on line section is used for the heat treatment such as continuous variable thickness strip is annealed, is tempered, continuous to ensure
Varying-thickness strip meets performance requirement.
The plated surface interval by the way of plating or hot dip Varying-thickness belt steel surface plate the zinc of desired thickness, tin,
The coating and aluminium silicon cladding of species or coating or more the metallic combination form such as chromium, magnesium, aluminium.
The required operation of the non-Varying-thickness section bar of the plated surface interval, required according to finished product Varying-thickness Surface of profile coating and
Coating species is choosing whether to enable the coating species of plated surface interval and production.
The withdrawal straightening machine is used for the leveling of continuous variable thickness strip.
The outlet looping is used to store continuous variable thickness strip, and set amount is with Varying-thickness section bar production process real-time change；
Jing device for rolling and molding shaping after continuous variable thickness section bar cutting when outlet section can reduction of speed, now outlet looping be used for storage roller
The continuous variable thickness strip of pressing molding device porch, set amount increases, outlet section raising speed after cutting, set amount release, so as to ensure
The continuous production of Varying-thickness section bar.
The device for rolling and molding includes multipair shaping roller group, and roller group can be carried out more according to Varying-thickness section bar finished form
Change, so as to by continuous variable thickness strip roll-forming be continuous variable thickness section bar.
The required operation of the non-Varying-thickness section bar production of the section bar welding machine, it is used for the continuous variable thickness type that will need to weld
Material is welded as intactly continuous variable thickness section bar, needs the continuous variable thickness section bar such as section bar such as Varying-thickness steel pipe of welding.
The calibrator is used to determine the thickness of continuous variable thickness section bar before angle shears, and thickness value is fed back into type
Material cutter control system.The speed measuring device is used to determining the speed of continuous variable thickness section bar before angle shears, and by speed
Angle value feeds back to angle shears control system.
Preferably, calibrator of the present invention can be exchanged with speed measuring device position.
Operating continuous variable thickness section bar is cut to single Varying-thickness section bar, section bar by angle shears of the present invention
The speed of the continuous variable thickness section bar that the control system of cutter can be determined according to speed measuring device calculates continuous variable thickness section bar
Each section of length value, angle shears according to the length thickness of finished product Varying-thickness section bar require with reference to said determination length value and
The thickness value of the continuous variable thickness section bar that calibrator is determined is sheared, and continuous variable thickness section bar is cut into single thickening degree type
Material.
Stacking section of the present invention includes two Stacking units, i.e. Varying-thickness section bar finished product Stacking units and Varying-thickness section bar
Waste product Stacking units；The entrance Varying-thickness section bar waste product Stacking units of finished product length thickness specification are unsatisfactory for, waste material stacking is carried out,
Focus on；Meet the entrance Varying-thickness section bar finished product Stacking units of finished product length thickness specification, carry out stacking packing process, it is complete
Into the continuous production of Varying-thickness section bar.
Beneficial effects of the present invention：
The production method of traditional Varying-thickness section bar is the degreasing of continuous variable thickness steel plate elder generation, then is heat-treated, then clipped
Unit is cut to monolithic Varying Thickness Plates, and monolithic Varying Thickness Plates carry out shaping and are welded as monolithic Varying-thickness section bar, then, then by monolithic
Varying-thickness section bar carries out plating metal on surface layer becomes Varying-thickness section bar finished product.
The operation that the present invention is adopted is that continuous variable thickness steel plate directly carries out plating metal on surface layer work Jing after degreasing, heat treatment
Sequence, then carry out shaping and be welded as continuous variable thickness section bar, single Varying-thickness section bar finished product is then cut into again.
The present invention can realize the continuous production of Varying-thickness section bar and accurate shearing, overcome existing Varying-thickness section bar production effect
Rate is low, production cost is high, high labor intensive, be unable to quantity-produced shortcoming, greatly improves the production efficiency of Varying-thickness section bar.
The present invention can substitute the single production process of Varying-thickness section bar in prior art, simplify Varying-thickness section bar production work
Sequence, realizes the continuous production of Varying-thickness section bar.
Description of the drawings
Fig. 1 is thickening rolling schematic diagram.
Fig. 2 is the schematic diagram of the embodiment of the present invention one.
Fig. 3 is the schematic diagram of the embodiment of the present invention two.
Fig. 4 is the schematic diagram of the embodiment of the present invention three.
Fig. 5 is the Varying-thickness section bar technological process of production schematic diagram of the present invention.
Fig. 6 is existing equal thickness section bar shears technique control device arrangement schematic diagram.
Fig. 7 is the Varying-thickness section bar shears technique control device arrangement schematic diagram of the present invention.
Specific embodiment
Technical scheme is further illustrated with reference to the accompanying drawings and examples.
Embodiment one
Referring to Fig. 2, in embodiment, Varying-thickness section bar is Varying-thickness steel pipe (referred to as thickening pipe), the Varying-thickness steel pipe
Production method, comprise the following steps：
1) it is raw material to select appropriate Varying-thickness coil of strip according to the length and thickness specification of the thickening pipe of finished product, and upper volume is adopted
Uncoiler 7 carries out uncoiling, and the now release of entry loop 10 set amount, set amount is gradually decreased；
2) crop end cuts 8 and cuts off upper a roll Varying-thickness coil of strip magnetic tape trailer first, and then crop end cuts 8 by the Varying-thickness after uncoiling
Strip 1 take the lead excision；
3) the Varying-thickness strip after cutting off band end to end is welded together by welding machine 9 becomes continous way Varying-thickness strip 2,
Step 1) set amount is discharged always to entry loop 10 during 3), set amount is gradually decreased；
4) the continuous variable thickness strip 2 after welding enters entry loop 10, and now entry loop 10 starts to store strip, set
Amount gradually increase, set amount increase to it is a certain amount of after keep the set amount；
5) the Jing entry loops of continuous variable thickness strip 2 carry out degreasing into degreasing section 11, remove the table of continuous variable thickness strip 2
The dirts such as iron powder, the ROLLING OIL in face；
6) the continuous variable thickness strip 2 after degreasing is annealed into online annealing stove 12；
7) the continuous variable thickness strip 2 after annealing enters galvanizing section 13, is continuously being become by the way of galvanizing
The zinc layers of thickness are required on the plated surface of thickness strip 2 becomes zinc-plated continuous variable thickness strip 3；
8) the zinc-plated continuous variable thickness strip 3 after galvanizing enters withdrawal straightening machine 14, and withdrawal straightening machine 14 is according to presetting
Elongation percentage carries out leveling to zinc-plated continuous variable thickness strip 3；
9) the zinc-plated continuous variable thickness strip 3 Jing after leveling enters outlet looping 15, and outlet looping 15 keeps low set amount；
10) zinc-plated continuous variable thickness strip 3 enters device for rolling and molding 16, and device for rolling and molding 16 arranges multipair roller group,
It is the zinc-plated continuous variable thickness for only retaining a weld seam that zinc-plated continuous variable thickness strip 3 is gradually curved shaping under the roll-in of roller group
Steel pipe 4 (referred to as leaves the zinc-plated continuous thickening pipe of weld seam)；
11) the zinc-plated continuous thickening pipe 4 of weld seam that leaves Jing after the roll-forming of device for rolling and molding 16 passes through thickening pipe welding machine
17 weld position while welding to form complete zinc-plated continuous thickening pipe 5；
12) the zinc-plated continuous thickening pipe 5 after welding measures thickness, the measuring speed of speed measuring device 19 by calibrator 18, and
Measured value is fed back into the thickening control system of pipe cutter 20；
13) the thickening control system of pipe cutter 20 calculates each segment length of zinc-plated continuous thickening pipe 5 according to velocity measurement
Degree and position, the thickening control system of pipe cutter 20 requires to combine thickening according to the length thickness of each section of the single thickening pipe 6 of finished product
It is zinc-plated continuous thickening during the length of zinc-plated continuous thickening pipe 5, position and its thickness value that measures are to motion before pipe cutter 20
Pipe 5 is accurately sheared, and shearing becomes single thickening pipe；Shear history middle outlet section reduction of speed, 15 sets of amounts of outlet looping increase, and cut
After cutting, outlet section speed-raising, 15 sets of amount releases of outlet looping, set amount is reduced, so moved in circles；
14) the single zinc-plated Varying-thickness steel pipe 6 after clipped enters stacking section 21, is unsatisfactory for finished product length thickness specification
The roller transport of the Jing stackings section 21 of single zinc-plated Varying-thickness steel pipe 6 carries out stacking to waste product Stacking units, then focuses on；It is full
The roller transport of the Jing stackings section 21 of single zinc-plated Varying-thickness steel pipe 6 of sufficient finished product length thickness specification enters to finished product Stacking units
The packing of row stacking is processed, and is so moved in circles.So far, single Varying-thickness coating steel pipe finished product production is completed.
Embodiment two
Referring to Fig. 3, in embodiment, the production process of Varying-thickness section bar continuous variable thickness type few only than in embodiment one
The welding sequence of material -- welding machine 17, other operations are identical with embodiment one.
Embodiment three
Referring to Fig. 4, in embodiment, the production process of Varying-thickness section bar is compared to only device for rolling and molding in embodiment two
Front calibrator 18 and the location swap of speed measuring device 19, other operations are identical with embodiment two.
Example IV
Referring to Fig. 5, in embodiment, the production process of Varying-thickness section bar in embodiment two compared to having lacked overlay coating
Section -- galvanizing section 13, other operations are identical with embodiment two.
It is current equal thickness section bar shears technique control device arrangement schematic diagram shown in it referring to Fig. 6.Continuous uniform thickness degree type
Material enters cut cells Jing after the welding of section bar welding machine 17, and existing equal thickness section bar shearing equipment uses cut-to-length machine
20, speed measuring device 19 measures the actual speed of continuous equal thickness section bar and measured value is sent in control system 22；Control system
System 22 is integrated velocity measurement, calculates the length of the actual continuous equal thickness section bar by cut cells, and with into
Product equal thickness profile length setting value is compared, when the length value for calculating reaches preseting length value, control system 22 to
Section bar cut-to-length machine 20 sends shear signal, and section bar cut-to-length machine completes shear action, length computation in control system 22
Value recovers initial 0 value, then carries out next shear history, and the shearing of equal thickness section bar is realized in so circulation.
Fig. 7 is participated in, the present invention installed a measuring thickness device additional before above-mentioned equal thickness section bar cut cells speed measuring device --
Calibrator 18 is realizing the shearing of Varying-thickness section bar.The actual (real) thickness value of the tracking measurement continuous variable thickness section bar of calibrator 18, surveys
Speed variator 19 is measured to Varying-thickness section bar actual speed, and thickness value will be fed back in control system 22 with velocity amplitude, is controlled
System 22 is integrated velocity measurement, calculates actual by cut cells -- the continuous variable thickness section bar of cutter 20
Length, the length value for calculating gradually forms the TP of Varying-thickness section bar in combination with thickness measurements, by TP
It is compared with the setting value of Varying-thickness section bar profile, control system 22 is sheared to Varying-thickness section bar when reaching a profile cycle
Machine 20 sends shear signal, and Varying-thickness angle shears 20 completes shear action, and length computation value is recovered just in control system 22
Begin 0 value, then carries out the shear history of next part, and the shearing of Varying-thickness section bar is realized in so circulation.
The present invention using uncoiling, welding, degreasing, burning optimization on line, overlay coating, leveling, roll-forming, section bar weld,
The production processes such as shearing, stacking, realize the continuous production and accurate shearing of Varying-thickness section bar, substantially increase Varying-thickness section bar
Production efficiency；The present invention can substitute the single production process of Varying-thickness section bar in prior art, simplify the technological process of production,
Have broad application prospects.
Claims (11)
1. a kind of production method of Varying-thickness section bar, is characterized in that：Comprise the following steps：
A) Varying-thickness strip Jing uncoiler uncoilings, cut off first the magnetic tape trailer of upper a roll Varying-thickness strip, and then crop end shearing is removed
Varying-thickness strip after uncoiling is taken the lead；
B) will be welded together with steel taping head and upper a roll of Varying-thickness steel end by welding machine becomes continous way Varying-thickness band
Steel, and entry loop is entered, store strip；
C) continuous variable thickness strip carries out degreasing into degreasing section；
D) continuous variable thickness strip carries out burning optimization on line into burning optimization on line section；
E) continuous variable thickness strip carries out leveling into withdrawal straightening machine；Continuous variable thickness strip after leveling enters outlet looping；
F) continuous variable thickness strip enters device for rolling and molding, is continuous variable thickness type by continuous variable thickness strip roll-forming
Material；
G) continuous variable thickness section bar carries out thickness measuring and tests the speed through calibrator, speed measuring device；
H) continuous variable thickness section bar Jing angle shears requires to carry out cutting, cutting according to the length thickness of finished product Varying-thickness section bar
For single Varying-thickness section bar；
I) single Varying-thickness section bar carries out the stacking of Varying-thickness section bar in stacking section.
2. the production method of Varying-thickness section bar as claimed in claim 1, is characterized in that：Step d) continuous variable thickness strips are online
Plated surface interval is introduced into after heat treatment carries out metal cladding to continuous variable thickness belt steel surface, then withdrawal straightening machine carries out leveling.
3. the production method of Varying-thickness section bar as claimed in claim 2, is characterized in that：The plated surface interval using plating or
The mode of hot dip is Varying-thickness belt steel surface is zinc-plated, one or more metals in tin, chromium, magnesium and aluminium, or in Varying-thickness band
Steel surface is aluminized silicon cladding.
4. the production method of Varying-thickness section bar as claimed in claim 1, is characterized in that：Step f) continuous variable thickness strip roll-ins
Through section bar welding machine, the continuous thickening Varying-thickness section bar to needing welding is welded continuous variable thickness section bar, is welded after shaping
Into intactly continuous variable thickness section bar.
5. the production method of Varying-thickness section bar as claimed in claim 1, is characterized in that：The device for rolling and molding is comprising multipair
Shaping roller group, roller group can be changed according to Varying-thickness section bar finished form, so as to be by continuous variable thickness strip roll-forming
Continuous variable thickness section bar.
6. the production method of Varying-thickness section bar as claimed in claim 1, is characterized in that：The calibrator and speed measuring device position
Can exchange.
7. the production method of Varying-thickness section bar as claimed in claim 1, is characterized in that：The angle shears will be operating
Continuous variable thickness section bar is cut to single Varying-thickness section bar, and the control system of angle shears can be according to the company of speed measuring device measure
The speed of continuous Varying-thickness section bar calculates the length value of each section of continuous variable thickness section bar, and angle shears is according to the thickening degree type of finished product
The length thickness of material requires that the thickness value of the continuous variable thickness section bar determined with reference to the length value and calibrator of said determination is carried out
Shearing, by continuous variable thickness section bar single Varying-thickness section bar is cut to.
8. the production method of Varying-thickness section bar as claimed in claim 1, is characterized in that：The stacking section includes two stacking lists
Unit, i.e. Varying-thickness section bar finished product Stacking units and Varying-thickness section bar waste product Stacking units；It is unsatisfactory for finished product length thickness specification
Into Varying-thickness section bar waste product Stacking units, waste material stacking is carried out, focused on；Meet entering for finished product length thickness specification to become
Thickness section bar finished product Stacking units, carry out stacking packing process, complete the continuous production of Varying-thickness section bar.
9. a kind of production line of Varying-thickness section bar, is characterized in that：Cut including the uncoiler, crop end for setting gradually, welding machine, entrance
Kink, degreasing section, burning optimization on line section, plated surface interval, withdrawal straightening machine, outlet looping, device for rolling and molding, section bar welding machine, survey
Thick instrument, speed measuring device, angle shears, stacking section.
10. the production line of Varying-thickness section bar as claimed in claim 9, is characterized in that：The calibrator and speed measuring device position
Can exchange.
The production line of 11. Varying-thickness section bars as claimed in claim 9, is characterized in that：The stacking section includes two stacking lists
Unit, i.e. Varying-thickness section bar finished product Stacking units and Varying-thickness section bar waste product Stacking units.
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| CN112088052A (en) * | 2018-05-08 | 2020-12-15 | 穆尔和本德公司 | System and method for separating flexibly rolled strip material |
| CN112088052B (en) * | 2018-05-08 | 2023-03-10 | 穆尔和本德公司 | System and method for separating flexibly rolled strip material |
| CN111719131A (en) * | 2019-03-22 | 2020-09-29 | 宝山钢铁股份有限公司 | Production process of variable-thickness steel plate with coating |
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