CN106624651B - A kind of production method of Varying-thickness profile - Google Patents
A kind of production method of Varying-thickness profile Download PDFInfo
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- CN106624651B CN106624651B CN201611222712.3A CN201611222712A CN106624651B CN 106624651 B CN106624651 B CN 106624651B CN 201611222712 A CN201611222712 A CN 201611222712A CN 106624651 B CN106624651 B CN 106624651B
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- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
Abstract
A kind of production method of Varying-thickness profile, it is using Varying-thickness strip as raw material, strip is completed to all processes such as molding and shearing online again from uncoiling to annealing, integrate the production processes such as uncoiling, welding, degreasing, burning optimization on line, overlay coating, leveling, roll-forming, profile welding, shearing, stacking, the full continuous automatic for Varying-thickness profile produces.Production method of the present invention can be realized the production processes such as burning optimization on line, overlay coating, molding and the accurate shearing of Varying-thickness profile, the shortcomings that overcoming existing Varying-thickness profile to be unable to low continuous production, shear precision, large labor intensity, high production cost, the production efficiency for greatly improving Varying-thickness profile obtains good economic benefit.The present invention can substitute the individual production process of Varying-thickness profile in the prior art, simplify the production process of Varying-thickness profile, realize the continuous uninterrupted production of Varying-thickness profile.
Description
Technical field
The present invention relates to shape extrusion technology, in particular to a kind of production method of Varying-thickness profile.
Background technique
For the target of automobile lightweight, automobile industry is being promoted the use of a kind of by rolling vertical at present
To the band of thickness consecutive variations --- thickening plate, as shown in Figure 1.Thickening plate forms the type of Varying-thickness after processing and forming
Material, some components on the alternative automobile of Varying-thickness profile, mitigates the weight of automobile, the final energy-saving and emission-reduction for realizing automobile.
Currently, existing technology mostly uses greatly individual production process to carry out the production of thickening plate and the degree type that thickens both at home and abroad
The processing of material.In the prior art, equal thickness coil of strip produces Varying-thickness steel through techniques such as uncoiling, singlestandmill rolling, curlings
Volume；Varying-thickness coil of strip thicken the degreasing and annealing of coil of strip through production processes such as uncoiling, degreasing, curling, entire volume bell-type annealings；
Varying-thickness coil of strip after annealing produces thickening plate through processes such as uncoiling, leveling, shearing, stackings；Thickening plate adds through cold roll forming
The processes such as work and welding produce Varying-thickness profile.
The production technology production efficiency of existing Varying-thickness profile is low, high production cost, large labor intensity, and cannot be continuous
Production.Even if some technologies are able to achieve the long-time continuous production of Varying-thickness profile multi-process, but still can not achieve 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 forming
Method and device thereof ", the patent enter Varying-thickness rolling system using equal thickness coiled material as raw material after leveling, pickling after uncoiling
Carry out Varying-thickness rolling, then through degreasing, line tempering after become be longitudinally continuous Varying-thickness plate, enter after skin pass rolling, slitting
Roll forming device simultaneously shapes final profile, into discharging platform；The patent be able to achieve the rolling of longitudinal variable-thickness profile, clod wash at
Type carries out simultaneously in same production unit, has certain advance, but does not have the uncoiling with welding machine in the disclosure patent
The device of section and storage strip, is only able to achieve the continuous production of monovolume equal thickness coiled material, can not achieve the complete of Varying-thickness profile
Continuous uninterrupted production；Without profile infeed set-up in the patent, there are no the crosscutting precise control devices of profile, not can guarantee profile
The length thickness required precision of product, product rejection rate are relatively high.
Summary of the invention
The object of the present invention is to provide a kind of production methods of Varying-thickness profile, can be realized the online heat of Varying-thickness profile
The production processes such as processing, overlay coating, molding and accurate shearing overcome existing Varying-thickness profile to be unable to continuous production, shearing essence
The shortcomings that spending low, large labor intensity, high production cost greatly improves the production efficiency of Varying-thickness profile, obtains good economy
Benefit.The present invention can substitute the individual production process of Varying-thickness profile in the prior art, simplify the production of Varying-thickness profile
Journey realizes the continuous uninterrupted production of Varying-thickness profile.
In order to achieve the above objectives, the technical scheme is that
A kind of production method of Varying-thickness profile comprising following steps:
A) Varying-thickness strip is through uncoiler uncoiling, the first magnetic tape trailer of the upper a roll of Varying-thickness strip of excision, and then crop end is cut
Varying-thickness strip after excision uncoiling is taken the lead；
B) will be welded together with steel taping head, with upper a roll of Varying-thickness steel end as continous way Varying-thickness by welding machine
Strip, and enter entry loop, store strip；
C) continuous variable thickness strip enters the progress degreasing of degreasing section；
D) continuous variable thickness strip enters burning optimization on line section progress burning optimization on line；
E) continuous variable thickness strip enters withdrawal straightening machine progress leveling；Continuous variable thickness strip after leveling enters outlet and lives
Set；
F) continuous variable thickness strip enters device for rolling and molding, is continuous variable thickness by continuous variable thickness strip roll-forming
Profile；
G) continuous variable thickness profile carries out thickness measuring by calibrator, speed measuring device and tests the speed；
H) continuous variable thickness profile requires to be cut through angle shears according to the length thickness of finished product Varying-thickness profile,
It is cut to single Varying-thickness profile；
I) single Varying-thickness profile carries out the stacking of Varying-thickness profile in stacking section.
Further, overlay coating section is introduced into continuous variable thickness band after step d) continuous variable thickness strip burning optimization on line
Steel surface carries out metal cladding, then withdrawal straightening machine carries out leveling.
Preferably, the overlay coating section by the way of plating or hot dip Varying-thickness belt steel surface is zinc-plated, tin, chromium,
One or more kinds of metals in magnesium and aluminium, or aluminize silicon cladding in Varying-thickness belt steel surface.
For the Varying-thickness strip from Varying-thickness milling train, 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 the uncoiling of Varying-thickness coil of strip, after a roll of Varying-thickness coil of strip uncoiling, another volume Varying-thickness
Coil of strip must the smooth production rolled up to guarantee Varying-thickness profile upper quickly.
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 for storing continuous variable thickness strip, and in the case of the normal uncoiling of uncoiler is not rolled up above, entrance is living
Set keeps higher set amount；When volume, uncoiling, welder on uncoiler, entry loop discharges set amount, guarantees Varying-thickness profile
Continuous production.
The degreasing section is for removing the impurity such as iron powder, ROLLING OIL, the emulsion of continuous variable thickness belt steel surface, for lower road
Process burning optimization on line is prepared.
The burning optimization on line section is used for the heat treatment such as annealed, be tempered to continuous variable thickness strip, continuous to guarantee
Varying-thickness strip meets performance requirement.
The overlay coating section by the way of plating or hot dip the Varying-thickness belt steel surface plating zinc of required thickness, tin,
The coating and aluminium silicon cladding of the types such as chromium, magnesium, aluminium or coating or the above metallic combination form.
The required process of the non-Varying-thickness profile of overlay coating section, according to finished product Varying-thickness Surface of profile coating require and
Coating type chooses whether to enable the coating type of overlay coating section and production.
The withdrawal straightening machine is used for the leveling of continuous variable thickness strip.
The outlet looping is for storing continuous variable thickness strip, and set amount is with Varying-thickness profile production process real-time change；
Outlet section meeting reduction of speed when cutting through device for rolling and molding continuous variable thickness profile after molding, outlet looping is used for storage roller at this time
The continuous variable thickness strip of pressing molding device inlet, set amount increase, outlet section raising speed after cutting, set amount release, to guarantee
The continuous production of Varying-thickness profile.
The device for rolling and molding includes multipair molding roller group, and roller group can carry out more according to Varying-thickness profile finished form
It changes, to be continuous variable thickness profile by continuous variable thickness strip roll-forming.
The required process of the non-Varying-thickness profile production of profile welding machine, the continuous variable thickness type for being used to need to weld
Material is welded as completely continuous variable thickness profile, the profiles such as continuous variable thickness profile such as Varying-thickness steel pipe for needing to weld.
The calibrator is used to measure the thickness of continuous variable thickness profile before angle shears, and thickness value is fed back to type
Material shears machine control system.The speed measuring device is used to measure the speed of continuous variable thickness profile before angle shears, and will be fast
Angle value feeds back to angle shears control system.
Preferably, calibrator of the present invention can be interchanged with speed measuring device position.
Running continuous variable thickness profile is cut to single Varying-thickness profile, profile by angle shears of the present invention
The speed for the continuous variable thickness profile that the control system of cutter can be measured according to speed measuring device calculates continuous variable thickness profile
Each section of length value, angle shears according to the length thickness of finished product Varying-thickness profile require combine said determination length value and
The thickness value of the continuous variable thickness profile of calibrator measurement is sheared, and continuous variable thickness profile is cut to the degree type that individually thickens
Material.
Stacking section of the present invention includes two Stacking units, i.e. Varying-thickness profile finished product Stacking units and Varying-thickness profile
Waste product Stacking units；Be unsatisfactory for finished product length thickness specification enters Varying-thickness profile waste product Stacking units, carries out waste material stacking,
Centralized processing；Meet finished product length thickness specification enters Varying-thickness profile finished product Stacking units, carries out stacking packing processing, complete
At the continuous production of Varying-thickness profile.
Beneficial effects of the present invention:
The production method of traditional Varying-thickness profile 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 molding and are welded as monolithic Varying-thickness profile, then, then by monolithic
Varying-thickness profile, which carries out plating metal on surface layer, becomes Varying-thickness profile finished product.
The process that the present invention uses is that continuous variable thickness steel plate directly carries out plating metal on surface layer work after degreasing, heat treatment
Sequence, then carry out molding and be welded as continuous variable thickness profile, it is then cut into single Varying-thickness profile finished product again.
The present invention can be realized the continuous production and accurate shearing of Varying-thickness profile, overcome existing Varying-thickness profile production effect
Rate is low, high production cost, large labor intensity, is unable to the shortcomings that continuous production, greatly improves the production efficiency of Varying-thickness profile.
The present invention can substitute the individual production process of Varying-thickness profile in the prior art, simplify Varying-thickness profile and produce work
Sequence realizes the continuous production of Varying-thickness profile.
Detailed description of the invention
Fig. 1 is to thicken to roll 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 Varying-thickness profile technological process of production schematic diagram of the invention.
Fig. 6 is existing equal thickness profile shearing process control equipment arrangement schematic diagram.
Fig. 7 is Varying-thickness profile shearing process control equipment arrangement schematic diagram of the invention.
Specific embodiment
Technical solution of the present invention is further illustrated with reference to the accompanying drawings and examples.
Embodiment one
Referring to fig. 2, in embodiment, Varying-thickness profile is Varying-thickness steel pipe (referred to as thicken pipe), the Varying-thickness steel pipe
Production method, comprising the following steps:
1) length of pipe thickend according to finished product and thickness specification to select Varying-thickness coil of strip appropriate be raw material, upper volume uses
Uncoiler 7 carries out uncoiling, and entry loop 10 discharges set amount at this time, and set amount gradually decreases；
2) crop end cuts 8 and cuts off upper a roll of Varying-thickness coil of strip magnetic tape trailer first, and then crop end cuts 8 for the Varying-thickness after uncoiling
Strip 1 takes the lead to cut off；
3) excision band end to end after Varying-thickness strip welded together by welding machine 9 as continous way Varying-thickness strip 2,
To 3) entry loop 10 discharges always set amount in the process, set amount gradually decreases step 1)；
4) the continuous variable thickness strip 2 after welding enters entry loop 10, and entry loop 10 starts to store strip, set at this time
Amount gradually increase, set amount increase to it is a certain amount of after keep the set amount；
5) continuous variable thickness strip 2 enters the progress degreasing of degreasing section 11 through entry loop, removes 2 table of continuous variable thickness strip
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 furnace 12；
7) the continuous variable thickness strip 2 after annealing enters hot galvanizing section 13, is continuously being become by the way of hot galvanizing
2 surface of thickness strip, which plates, requires the zinc layers of thickness to become zinc-plated continuous variable thickness strip 3；
8) the zinc-plated continuous variable thickness strip 3 after hot 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 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,
Zinc-plated continuous variable thickness strip 3 is gradually curved molding as the zinc-plated continuous variable thickness of only one weld seam of reservation under the roll-in of roller group
Steel pipe 4 (referred to as there are the zinc-plated pipes that continuously thickens of weld seam)；
11) after 16 roll-forming of device for rolling and molding there are the zinc-plated continuously pipes 4 that thickens of weld seam to pass through the pipe welding machine that thickens
17 weld position while welding to form the complete zinc-plated pipe 5 that continuously thickens；
12) the zinc-plated pipe 5 that continuously thickens after welding measures thickness, 19 measuring speed of speed measuring device by calibrator 18, and
Measured value is fed back to 20 control system of pipe cutter that thickens；
13) 20 control system of pipe cutter that thickens calculates each segment length of the zinc-plated pipe 5 that continuously thickens according to velocity measurement
Degree and position, 20 control system of pipe cutter that thickens individually thickend according to finished product 6 each sections of pipe length thickness requirement combine thicken
The zinc-plated length of pipe 5 of continuously thickeing before pipe cutter 20, position and its thickness value that measures continuously thicken to zinc-plated in movement
Pipe 5 is accurately sheared, and shearing becomes the pipe that individually thickens；Shear history middle outlet section reduction of speed, 15 sets of amounts of outlet looping increase, cut
After cutting, outlet section speed-raising, 15 sets of amounts of outlet looping discharge, and set amount is reduced, and loop back and forth like this；
14) the single zinc-plated Varying-thickness steel pipe 6 after clipped enters stacking section 21, is unsatisfactory for finished product length thickness specification
Single zinc-plated roller transport of the Varying-thickness steel pipe 6 through stacking section 21 to waste product Stacking units carry out stacking, then focus on；It is full
Single zinc-plated roller transport of the Varying-thickness steel pipe 6 through stacking section 21 of sufficient finished product length thickness specification to finished product Stacking units, into
Row stacking packing processing, loops back and forth like this.So far, single Varying-thickness coating steel pipe finished product production is completed.
Embodiment two
Referring to Fig. 3, in embodiment, only few than in the embodiment one continuous variable thickness type of the production process of Varying-thickness profile
The welding sequence of material -- welding machine 17, other processes are the same as example 1.
Embodiment three
Referring to fig. 4, in embodiment, the production process of Varying-thickness profile is compared to only device for rolling and molding in embodiment two
Preceding calibrator 18 and 19 location swap of speed measuring device, other processes are identical as embodiment two.
Example IV
Referring to Fig. 5, in embodiment, the production process of Varying-thickness profile is compared to having lacked overlay coating in embodiment two
Section -- hot galvanizing section 13, other processes are identical as embodiment two.
Referring to Fig. 6, shown in be current equal thickness profile shearing process control equipment arrangement schematic diagram.Continuous uniform thickness degree type
Material enters cut cells after the welding of profile welding machine 17, and existing equal thickness profile shearing equipment is using cut-to-length machine
20, speed measuring device 19 measures the actual speed of continuous equal thickness profile and measured value is transmitted in control system 22；Control system
System 22 integrates velocity measurement, calculates the length of the practical continuous equal thickness profile by cut cells, and at
Product equal thickness profile length setting value is compared, when calculated length value reach setting length value when, control system 22 to
Profile cut-to-length machine 20 issues shear signal, and profile cut-to-length machine completes shear action, length computation in control system 22
Value restores initial 0 value, then carries out next shear history, so the shearing of circulation realization equal thickness profile.
Fig. 7 is participated in, the present invention installs a measuring thickness device additional before above-mentioned equal thickness profile cut cells speed measuring device --
Calibrator 18 realizes the shearing of Varying-thickness profile.The actual (real) thickness value of 18 tracking measurement continuous variable thickness profile of calibrator is surveyed
Speed variator 19 measures Varying-thickness profile actual speed, and thickness value and velocity amplitude will be fed back in control system 22, controls
System 22 integrates velocity measurement, calculates and actually passes through cut cells -- the continuous variable thickness profile of cutter 20
Length, calculated length value combine the actual profile for gradually forming Varying-thickness profile with thickness measurements, by actual profile
It is compared with the setting value of Varying-thickness profile profile, control system 22 is sheared to Varying-thickness profile when reaching a profile period
Machine 20 issues shear signal, and Varying-thickness angle shears 20 completes shear action, and length computation value is restored just in control system 22
Begin 0 value, then carries out next shear history, so the shearing of circulation realization Varying-thickness profile.
The present invention using uncoiling, welding, degreasing, burning optimization on line, overlay coating, leveling, roll-forming, profile welding,
The production processes such as shearing, stacking realize the continuous production and accurate shearing of Varying-thickness profile, substantially increase Varying-thickness profile
Production efficiency；The present invention can substitute the individual production process of Varying-thickness profile in the prior art, simplify the technological process of production,
It has broad application prospects.
Claims (7)
1. a kind of production method of Varying-thickness profile, it is characterized in that: the following steps are included:
A) Varying-thickness strip is removed through uncoiler uncoiling, the first magnetic tape trailer of the upper a roll of Varying-thickness strip of excision, then crop end shearing
Varying-thickness strip after uncoiling is taken the lead；
B) will be welded together with steel taping head, with upper a roll of Varying-thickness steel end as continous way Varying-thickness band by welding machine
Steel, and enter entry loop, store strip；
C) continuous variable thickness strip enters the progress degreasing of degreasing section；
D) continuous variable thickness strip enters burning optimization on line section progress burning optimization on line；
E) continuous variable thickness strip enters withdrawal straightening machine progress leveling；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 profile carries out thickness measuring by calibrator, speed measuring device and tests the speed；Calibrator tracking measurement continuously thickens
The actual (real) thickness value of degree type material, speed measuring device measure Varying-thickness profile actual speed, and thickness value and velocity amplitude will be fed back
Into control system；
H) control system integrates velocity measurement, calculates the practical continuous variable thickness profile by angle shears
Length, calculated length value combine the actual profile for gradually forming Varying-thickness profile with thickness measurements, by actual profile
It is compared with the setting value of Varying-thickness profile profile, control system is to Varying-thickness angle shears when reaching a profile period
Issue shear signal, Varying-thickness angle shears complete shear action, by continuous variable thickness profile through angle shears according at
The length thickness of product Varying-thickness profile requires to be cut, and is cut to single Varying-thickness profile；
I) single Varying-thickness profile carries out the stacking of Varying-thickness profile in stacking section.
2. the production method of Varying-thickness profile as described in claim 1, it is characterized in that: step d) continuous variable thickness strip is online
It is introduced into overlay coating section after heat treatment, metal cladding is carried out to continuous variable thickness belt steel surface, then withdrawal straightening machine carries out leveling.
3. the production method of Varying-thickness profile as claimed in claim 2, it is characterized in that: the overlay coating section using plating or
The mode of hot dip is Varying-thickness belt steel surface is zinc-plated, one or more kinds of 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 profile as described in claim 1, it is characterized in that: step f) continuous variable thickness strip roll-in
Continuous variable thickness profile passes through profile welding machine after molding, welds, welds to the Varying-thickness profile that continuously thickens that needs weld
At completely continuous variable thickness profile.
5. the production method of Varying-thickness profile as described in claim 1, it is characterized in that: the device for rolling and molding includes multipair
Roller group is formed, roller group can be replaced according to Varying-thickness profile finished form, to be by continuous variable thickness strip roll-forming
Continuous variable thickness profile.
6. the production method of Varying-thickness profile as described in claim 1, it is characterized in that: the calibrator and speed measuring device position
It can be interchanged.
7. the production method of Varying-thickness profile as described in claim 1, it is characterized in that: the stacking section includes two stacking lists
Member, i.e. Varying-thickness profile finished product Stacking units and Varying-thickness profile waste product Stacking units；It is unsatisfactory for finished product length thickness specification
Into Varying-thickness profile waste product Stacking units, waste material stacking, centralized processing are carried out；Meet finished product length thickness specification enters change
Thickness profile finished product Stacking units carry out stacking packing processing, complete the continuous production of Varying-thickness profile.
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| CN102513806B (en) * | 2011-12-30 | 2014-01-01 | 北方工业大学 | Longitudinal variable-thickness cold-bent section bar continuous rolling and roll forming method and device thereof |
| CN104551538B (en) * | 2013-10-18 | 2017-02-01 | 沈阳东宝海星金属材料科技有限公司 | Differential thickness plate size-determined shearing manufacture method |
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