CN104125871B - The manufacture method of roll bending hollow cylinder, roll bending hollow cylinder and steel plate manufacturing process device - Google Patents
The manufacture method of roll bending hollow cylinder, roll bending hollow cylinder and steel plate manufacturing process device Download PDFInfo
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- CN104125871B CN104125871B CN201480000371.8A CN201480000371A CN104125871B CN 104125871 B CN104125871 B CN 104125871B CN 201480000371 A CN201480000371 A CN 201480000371A CN 104125871 B CN104125871 B CN 104125871B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K33/00—Specially-profiled edge portions of workpieces for making soldering or welding connections; Filling the seams formed thereby
- B23K33/004—Filling of continuous seams
- B23K33/006—Filling of continuous seams for cylindrical workpieces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C37/00—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
- B21C37/06—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of tubes or metal hoses; Combined procedures for making tubes, e.g. for making multi-wall tubes
- B21C37/08—Making tubes with welded or soldered seams
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/08—Devices involving relative movement between laser beam and workpiece
- B23K26/0869—Devices involving movement of the laser head in at least one axial direction
- B23K26/0876—Devices involving movement of the laser head in at least one axial direction in at least two axial directions
- B23K26/0884—Devices involving movement of the laser head in at least one axial direction in at least two axial directions in at least in three axial directions, e.g. manipulators, robots
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/08—Devices involving relative movement between laser beam and workpiece
- B23K26/10—Devices involving relative movement between laser beam and workpiece using a fixed support, i.e. involving moving the laser beam
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/20—Bonding
- B23K26/21—Bonding by welding
- B23K26/24—Seam welding
- B23K26/26—Seam welding of rectilinear seams
- B23K26/262—Seam welding of rectilinear seams of longitudinal seams of tubes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/20—Bonding
- B23K26/32—Bonding taking account of the properties of the material involved
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/02—Carriages for supporting the welding or cutting element
- B23K37/0211—Carriages for supporting the welding or cutting element travelling on a guide member, e.g. rail, track
- B23K37/0229—Carriages for supporting the welding or cutting element travelling on a guide member, e.g. rail, track the guide member being situated alongside the workpiece
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/053—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work aligning cylindrical work; Clamping devices therefor
- B23K37/0533—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work aligning cylindrical work; Clamping devices therefor external pipe alignment clamps
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K2101/00—Articles made by soldering, welding or cutting
- B23K2101/04—Tubular or hollow articles
- B23K2101/06—Tubes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K2103/00—Materials to be soldered, welded or cut
- B23K2103/02—Iron or ferrous alloys
- B23K2103/04—Steel or steel alloys
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K2103/00—Materials to be soldered, welded or cut
- B23K2103/50—Inorganic material, e.g. metals, not provided for in B23K2103/02 – B23K2103/26
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Mechanical Engineering (AREA)
- Plasma & Fusion (AREA)
- Robotics (AREA)
- Laser Beam Processing (AREA)
- Rolls And Other Rotary Bodies (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
Abstract
Carry out bending to metallic plate the rolling machining of cylindrical shape.Then, the side in docking section (1) is implemented means of spot welds etc. and the docking left side (2a) of metallic plate (12) and docking right side (2b) is carried out interim fixing weld.Then, the inner circumferential side at the both ends of docking arranges groove.Then, docking section (1) is implemented involutory processing and be formed uniformly the interval of both ends of the surface.Then, by the urges bolt being equipped on c-type stationary fixture (7), the outer peripheral face of the metallic plate (12) after involutory processing is pushed, keep the state of space loss.Then, by laser soldering device (6a), docking section (1) is carried out laser welding.And, make docking section (1) engage, so that the metallic plate (12) bending to cylindrical shape is formed as drum by using welding material to carry out high heat input welding.Thereby, it is possible to manufacture roll bending hollow cylinder in high efficiency and low cost, this roll bending hollow cylinder, when having given full play to the production capacity of equipment, eliminates the transfer to the steel plate of conveyance of the cylinder surface shape, it is possible to carry out the conveyance of the steel plate of high surface quality.
Description
Technical field
The present invention relates to the manufacture method of roll bending hollow cylinder, roll bending hollow cylinder and steel plate manufacture
Process unit, it is possible to the steel plate in steel plate manufacturing process transports in operation higher to maintain steel plate
The state of surface quality transports, and can cut down the manufacturing cost of this hollow cylinder.
Background technology
In steel plate manufacturing process, employ substantial amounts of conveyance cylinder to transport steel plate.
Wherein for the cylinder that diameter is relatively large, for the purpose of cost cutting, more it is suitable for
Hollow cylinder rather than solid roll, wherein, hollow cylinder is by plate benging and welds and forms circle
Barrel shape.
Along with the High Level demand to surface of steel plate quality, must be with higher in manufacturing process
Ground maintains the state of surface of steel plate quality to transport.
In the past, owing to causing cylinder from load such as the continuous of the steel plate of conveyance or frictions
Surface configuration changes, and there is surface-treated layer and produces be full of cracks or situation about peeling off, thus should
Shape is transferred on steel plate cause the surface quality of the steel plate of conveyance to reduce.Accordingly, it would be desirable to
The case hardness improving hollow cylinder alleviates the change of surface configuration.
Therefore, take such as the following countermeasure: use such as carbon equivalent be 0.45% with first-class relatively
Hard high-carbon steel, but also improve case hardness by applying the heat treatments such as quenching.
But, the cylinder mother metal of such high-carbon steel is being used weldering on the basis of rolling machining
Connect material end face is welded and in the case of forming hollow cylinder, owing to existing because of this welding
And cause the probability of the defects such as thermally influenced part cracks, so need to carry out pre-
Heat treatment or after-baking etc..
Thus, usually, for preventing the purpose of weld crack, and in order to suppress quenching hardening
Property, welding material is to there was added low-alloy composition and the composition of deoxidation composition.Therefore, employ
There is the tendency lower than cylinder mother metal in the hardness of the weld part of welding material, is manufacturing conveyance rolling
Roughness required for Tong gives in technique, it is difficult to give cylinder surface roughness equably.
Such as, if using welding material, then give in the surface roughness carried out based on compressed air shotblasting machine
In operation, shot-peening is trapped in sealing wire portion deeper, creates bigger roughness.This weldering
The most coarse cylinder surface roughness of wire connecting portion may be transferred on steel plate.Especially, exist
Implementing zinc-plated etc. fine surface to process in steel plate, this transfer shows significantly, also becomes
For the underproof reason of product.
And, in order to avoid the transfer of this sealing wire, exist and the tension force of steel plate is set to relatively low
Tendency, the most also become steel plate and crawl or the reason of sliding.That is, it is impossible to fully
The production capacity of performance equipment, creates the problem that yield rate reduces.
Therefore, in the past, it is provided that a kind of case hardness homogenization for seeking roll bending hollow cylinder
Manufacture method, such as, patent documentation 1 to 4 discloses the method.
In the method described in patent documentation 1, do not use welding material, but pass through electronics
Bundles etc. carry out melted joint to make cylinder to cylinder mother metal self.
It addition, in the method described in patent documentation 2, make rolling by diffusion bonding method
Cylinder mother metal end joined makes cylinder.
It addition, in the method described in patent documentation 3, use welding material, female at cylinder
After the joint of material end face, the boundary line part of cylinder mother metal Yu welding material is all cut as groove
Shape, then, fills again by this groove cut.
And, in the method described in patent documentation 4, first pass through the contour heat of submerged-arc welding defeated
Enter welding to engage, then, in order to eliminate the hot shadow produced based on high heat input welding
Sound portion, is excavated by gouge etc. in the outer peripheral face side of weld part and its periphery, then passes through
The low_input_power welding such as plasma arc welding (PAW) fill again.
Prior art literature
Patent documentation
Patent documentation 1: Japanese Unexamined Patent Publication 3-169412 publication
Patent documentation 2: Japanese Unexamined Patent Publication 9-300084 publication
Patent documentation 3: Japanese Unexamined Patent Publication 2003-145207 publication
Patent documentation 4: Japanese Unexamined Patent Publication 2000-140912 publication
Summary of the invention
In the method described in above-mentioned patent documentation 1, need after welding by flat pattern portion
Again correct into positive round, need extra time and cost.
It addition, in order to carry out electron beam welding, need to enter in large-scale ultrahigh vacuum equipment
, there is high cost and the most poor problem of workability in row operation.
And, although want to make not bend near the both ends of plate in formation and remain flat
Flat pattern state under make jointing end face dock abreast, but, simultaneously such as patent documentation
Illustrated by 4 like that, even if there is problems in that and welded based on laser beam, at this
Also be difficult under the formation state of the endface position that sample obtains for perpendicularity, linearity and end face that
This depth of parallelism guarantees the high-precision mated condition of solder side.In addition, it is necessary to solve above-mentioned
The problem again correcting into positive round.
Further it is assumed that the feelings of machining of the rolling machining advance row metal end face at metallic plate
Under condition, also due to during rolling machining produce strain and cause the docking of the docking section of metallic plate
Precision reduces, and the guaranteeing of the merging precision required for laser welding becomes extremely difficult, based on swashing
Photocoagulation and the welding that carries out becomes difficulty.
It addition, the method described in patent documentation 2 embeds material by sandwiched between docking end face
Material carries out diffusion bonding.But, this joint method is difficult to control to defect, and in order to anti-
The formation of the field trashes such as block compound and need to tackle control and the quilt engaging atmosphere highly difficultly
Cleaning of composition surface.And, the homogenization of insert material and the tissue of cylinder mother metal is not allowed
Easily realize, material structure upon engagement remains discontinuity.
And, method described in patent documentation 3 uses welding material to engage, will be
Cylinder mother metal is cut into becoming with the precipitate such as first analysis ferrite produced on the boundary line of welding material
Channel-shaped, and weld metal by low_input_power and backfill.But, in the method,
After joining process, also need to grinding operation and heavily bury the operations such as operation, depositing when needing in the mill
Between, shortcoming that cost is high.
And, in the method described in patent documentation 4, with the side described in patent documentation 3
Method similarly, uses welding material to engage, the analysis that will occur on the outer surface of cylinder
Go out thing part and heat affected zone all cut into, and weld metal again by low_input_power
To cut and backfill into portion.Accordingly, there exist following shortcoming: than grinding, the backfill model of patent documentation 3
Enclosing bigger, need more operation and time, cost is higher.
The present invention is used for solving above-mentioned technical task, its object is to provide a kind of roll bending hollow rolling
Manufacture method, roll bending hollow cylinder and the steel plate manufacturing process device of cylinder, this manufacture method is used for
Manufacturing roll bending hollow cylinder in high efficiency and low cost, this roll bending hollow cylinder sets having given full play to
Under the state of standby production capacity, eliminate the transfer to the steel plate of conveyance of the cylinder surface shape,
The conveyance of the steel plate of high surface quality can be carried out.
It addition, in the case of applicable laser welding, the merging precision of its interface is critically important,
Especially in the case of slab, need to spend one in order to ensure the merging precision of whole of interface
A little time.Present invention addresses this technical task.
To achieve these goals, the 1st invention is the manufacture method of a kind of roll bending hollow cylinder,
It is characterized in that, implement the metallic plate of rectangle is bent to cylindrical shape rolling machining it
After, make the end face bending to the both ends of the metallic plate of above-mentioned cylindrical shape become mated condition；?
Under this state, retaining wall on slope is implemented in the inner circumferential side at the both ends of this docking and forms retaining wall on slope
Portion；The end face of the outer circumferential side at the both ends of above-mentioned docking is implemented machining and makes above-mentioned end face
Smoothened；Then, from outer circumferential side, the metallic plate bending to above-mentioned cylindrical shape is applied pushing force,
Become the state of space loss between the end face making above-mentioned both ends；In this condition, not upper
With stating sandwiched welding material between the end face at both ends by above-mentioned to above-mentioned metallic plate of laser beam
Both ends are welded；Then, use welding material real to the retaining wall on slope portion of above-mentioned inner circumferential side
Welding connects, and makes the metallic plate bending to above-mentioned cylindrical shape be formed as drum.
It addition, the 2nd invention is, in the 1st invention, outside the both ends to above-mentioned docking
The end face of all sides is implemented, in the operation of machining, to be formed with end between the end face at above-mentioned both ends
Parallel interval, whole of face.
It addition, the 3rd invention is, in the 1st invention, outside the both ends to above-mentioned docking
Week, the end face of side implemented in the operation of machining, to make to be formed at above-mentioned both ends becoming
During the state of the space loss between end face, whole parallel mode of the end face at above-mentioned both ends, make
The end face at the both ends of above-mentioned docking is formed as the taper that outer circumferential side is open.
It addition, the 4th invention is, in the arbitrary invention in the 1st～the 3rd invention, use arm type
Robot carries out welding based on above-mentioned laser beam and uses the welding of above-mentioned welding material.
It addition, the 5th invention is, in the arbitrary invention in the 1st～the 3rd invention, using weldering
Connect in the operation that the retaining wall on slope portion of above-mentioned inner circumferential side is implemented welding by material, add at above-mentioned groove
Carry out low_input_power welding in the Ministry of worker and form the 1st weld layer, logical on above-mentioned 1st weld layer
The high heat input welding crossing heat input compared with the welding of above-mentioned low_input_power big forms the 2nd weldering
Connect layer, thus, above-mentioned retaining wall on slope portion forms the weld part of double-layer structural.
It addition, the 6th invention is, applying to push away to the metallic plate bending to cylindrical shape from outer circumferential side
Pressure and become in the operation of the state of the space loss between the end face making above-mentioned both ends, use
The metallic plate bending to above-mentioned cylindrical shape is entered by the stationary fixture with biasing member from outer circumferential side
Row pushes, thus the state of the space loss between becoming the end face making above-mentioned both ends.
And, the 7th invention is to utilize the arbitrary invention in the 1st～the 6th invention and the roll bending made
Hollow cylinder.
The arbitrary invention in the 1st～the 6th invention is utilized to make it addition, the 8th invention is the use of
The steel plate manufacturing process device of roll bending hollow cylinder.
Invention effect
The 1st invention according to the present invention, by carrying out machinery to its both ends of the surface after rolling machining
Processing, it is to avoid positive round correction process as existing method, and can right in welding end surface
Dock with very high degree of precision when connecing.Thereby, it is possible to fetch realization by high-precision Laser Welding
Conventional difficult, welding material that is that need not the reason as difference of hardness, between cylinder mother metal
Directly welding.
It addition, the inner surface side in docking section reserves the degree that outer surface will not be thermally influenced
Retaining wall on slope is implemented in both ends by the height in laser beam butt welding portion on this basis in advance, and right
This retaining wall on slope portion is suitable for the general high heat input welding employing welding material, thus, with
Only weld, by low_input_power, the method carrying out engaging to compare, it is possible to when being significantly reduced welding
Between.Such as, as low_input_power weld, welded by MIG or MAG weld to groove
In the case of processing department carries out built-up welding welding, need to carry out about at the built-up welding in retaining wall on slope portion
The welding of 30 times, in contrast, in the case of the submerged arc welding method of high heat input welding, welding
Number of times is of about the built-up welding that just can complete retaining wall on slope portion 10 times, executes therefore, it is possible to shorten
Between man-hour, it is possible to seek cost cutting therewith together simultaneously.And, real by retaining wall on slope
Show advantages below: on whole interface, high merging precision can be guaranteed on thickness of slab direction,
It is easier to be suitable for laser welding.
Therefore, there is no need to as above-mentioned prior art, need due to the impact of case hardness difference
The cutting process to welding portion wanted and this part heavily buried operation etc., and can not press from both sides
If welding material ground is realized by laser welding, high-precision mother metal is melted to be engaged, thereby, it is possible to
Manufacturing roll bending hollow cylinder in high efficiency and low cost, this roll bending hollow cylinder will not generate final table
Face process after the uneven part of roughness, eliminate cylinder surface shape turning to steel plate
Print, when having given full play to the production capacity of equipment, it is possible to maintaining steel plate higher
Surface quality state under transport.
It addition, according to the 2nd invention of the present invention, obtain the effect identical with above-mentioned 1st invention.
It addition, according to the 3rd invention of the present invention, outside being formed as when the machining of docking section
The taper that all sides are open, thus the parastate of very high degree of precision is become when pushing, accordingly, it is capable to
Enough fluid-tight engagement degree of two end faces during raising space loss, it is possible to make the docking of welding end surface
Precision improves further.
And, according to the 4th invention of the present invention, by using arm type machine in laser welding
People, it is possible to automatically carry out the material according to plate, thickness of slab, rotary drum radial etc. and need to adjust at any time
With the distance of cylinder surface, the incident angle of Laser Welding head, feed speed, laser intensity etc.
Variation of parameter, it is possible to seek shorten the operation high efficiency brought based on the time and accompany therewith
The reduction of manufacturing expense.
It addition, according to the 5th invention of the present invention, in order to further mitigate outer surface of cylinder
Heat affecting etc., to this inner peripheral surface side in the welding in retaining wall on slope portion, as constructed as below
And form welding, first sandwich the 1st layer of low_input_power welding, arrange thereon based on high heat
The 2nd layer of input welding, thereby, it is possible to alleviate further due to high heat input welding rolling
The heat affecting of cylinder outer peripheral face, it is possible to realize the further reduction of cylinder surface difference of hardness.
And, according to the 6th invention of the present invention, it is possible to guarantee gold during laser welding higher
Belong to the merging precision of the docking end face of plate.
It addition, according to the invention described above, it is possible to manufacture roll bending hollow cylinder in high efficiency and low cost,
This roll bending hollow cylinder eliminates the existence of the sealing wire owing to being folded with welding material and causes
The cylinder surface shape of the uneven part of roughness to the transfer of steel plate, it is possible to tieing up higher
Transport under the state of the surface quality holding steel plate.
Thus, transfer is not worried, it is possible to give sufficient production line tension force, at fine surface
Process the operation operating being capable of having given full play to equipment capacity in steel plate, and can
Expect the raising of finished product rate.
Therefore, according to the 7th invention and the 8th invention of the present invention, it is possible to cut down the system at steel plate
Make the manufacturing cost of nonexpondable conveyance cylinder and the maintenance cost needed when changing in technique
Deng, and can higher maintain the surface quality of the steel plate produced, therefore, it is possible to valuably
It is used in Iron industry etc..
Accompanying drawing explanation
Fig. 1 is the docking section in the embodiment 1 of the manufacture method of the roll bending hollow cylinder of the present invention
The explanatory diagram of inner circumferential side retaining wall on slope operation.
Fig. 2 is the docking section in the embodiment 1 of the manufacture method of the roll bending hollow cylinder of the present invention
The explanatory diagram of machining operation.
Fig. 3 be in the embodiment 1 of the manufacture method of the roll bending hollow cylinder of the present invention based on C
The explanatory diagram of the laser welding operation that type stationary fixture is carried out.
Fig. 4 is the groove part in the embodiment 1 of the manufacture method of the roll bending hollow cylinder of the present invention
The explanatory diagram of welding sequence.
Fig. 5 be in embodiment 1 grade of the manufacture method of the roll bending hollow cylinder of the present invention based on
The explanatory diagram of the laser welding operation that ring-like stationary fixture is carried out.
Fig. 6 is the taper in the embodiment 2 of the manufacture method of the roll bending hollow cylinder of the present invention
The explanatory diagram of machining operation.
Fig. 7 is the coning angle in the embodiment 2 of the manufacture method of the roll bending hollow cylinder of the present invention
The explanatory diagram of datum mark.
Fig. 8 be in the embodiment 3 of the manufacture method of the roll bending hollow cylinder of the present invention based on arm
The explanatory diagram of the laser welding operation that humanoid robot is carried out.
Fig. 9 be in the embodiment 4 of the manufacture method of the roll bending hollow cylinder of the present invention based on ring
The explanatory diagram of the double-layer structural welding sequence that type stationary fixture is carried out.
Figure 10 is the roll bending in the embodiment 4 of the manufacture method of the roll bending hollow cylinder of the present invention
The amplification general profile chart of the dual-layer welding structure of the inner circumferential side of hollow cylinder.
Figure 11 is the steel plate manufacturing process device of the roll bending hollow cylinder representing and being suitable for the present invention
The figure of an example.
Detailed description of the invention
Hereinafter, use accompanying drawing, in the manufacture method of roll bending hollow cylinder of the present invention, roll bending
The embodiment of empty cylinder and steel plate manufacturing process device illustrates.
＜ the 1st embodiment ＞
Use the Fig. 1 to Fig. 5 the 1st enforcement to the manufacture method of the roll bending hollow cylinder of the present invention
Example illustrates.
First, carry out bending to the metallic plate of rectangle the rolling machining of cylindrical shape.
Beyond this metallic plate de-carbon steel, additionally it is possible to use rustless steel, hardenability or wearability are entered
The chromium steel of strengthening or chrome-molybdenum steel etc. are gone.
As long as it addition, the known method of the method for rolling machining.
Then, the docking left side of the cylindric metallic plate 12 of this rolling machining will be implemented
2a and docking right side 2b is on the docking section 1 of metallic plate 12, preferably in the side of docking section 1
Face is implemented spot welding etc. and is carried out interim fixing welding, thus becomes mated condition.
Then, as it is shown in figure 1, the machinery of inner surface retaining wall on slope by having slotting cutter
Processing unit (plant) 3c etc. are to the docking left side 2a after interim fixing welding and docking right side 2b
Inner peripheral surface side carry out retaining wall on slope, thus form retaining wall on slope portion, inner circumferential side 9.
The shape in the retaining wall on slope portion, inner circumferential side 9 formed in this retaining wall on slope is not limited to Fig. 1
As shown in the bevel shape of V word, it is also possible to be other similar shapes such as U-shaped.
Additionally, figure 1 illustrates the explanatory diagram of retaining wall on slope operation.
Then, under this mated condition, relative to from docking section 1 towards the line of centre of the drum
On vertical face, carry out cutting in the range of axial whole of cylindric metallic plate 12
Eliminate location processing (datum level) cutting of the minimal thickness of outer surface.
Then, as in figure 2 it is shown, the machining of slotting cutter 3a1 by having rectilinear form
Device 3a, implements involutory processing from outer peripheral face side to the docking section 1 after the processing of inner circumferential side slope mouth,
Form interval and be about the uniform gap of 10mm.Additionally, Fig. 2 is the machinery of docking section 1
The explanatory diagram of manufacturing procedure.
Additionally, based on this machinery processing apparatus the docking section 1 of metallic plate 12 is carried out involutory
Processing is not limited to machining based on slotting cutter.In addition to slotting cutter, such as, can arrange
Lift based on cylindric emery wheel, docking left side 2a and docking right side 2b is carried out, two ends
The method such as grinding while face.
It addition, in the present invention, involutory processing refers to the docking section 1 forming metallic plate 12
Docking left side 2a and docking right side 2b carry out the processing work of machining processes simultaneously
Sequence.
And, this machining operation is preferably based on what above-mentioned docking section 1 was carried out by slotting cutter
Involutory processing, but such as, it is also possible to keeping the state that makes the both ends of the surface of metallic plate 12 dock
Under successively each end face is carried out machining by slotting cutter etc..
Then, c-type stationary fixture 7 is prepared.
This c-type stationary fixture 7 upwards has the framework 5e of multiple c-type shape at drum shaft,
The framework 5e of this c-type shape have as shown in Figure 3 with cutting threaded piece of 5d spiral
The urges bolt of engaging (the two couples of top urges bolt 5a, two counter-lateral quadrents urges bolt 5b, two
To bottom urges bolt 5c).
Then, the plurality of framework 5e is configured at carries out in machining operation before
Axial multiple positions of the metallic plate 12 after involutory processing, by the pushing of each framework 5e
The outer peripheral face side of bolt 5a, 5b, 5c metallic plate 12 to bending to cylindrical shape pushes,
Thus, docking left side 2a and docking right side 2b is made to dock and form docking section by pushing
1, and keep the state of space loss.
The gap making docking section 1 based on this pushing is below 0.8mm, is more preferably contracted in gap
It is too narrow to the state of below 0.5mm, is adjusted thus is as closely as possible to 0.
Additionally, subsequent processing i.e. laser when Fig. 3 is to be fixed by c-type stationary fixture 7
The explanatory diagram of welding sequence.
Then, by six urges bolt of above-mentioned c-type stationary fixture 7 (5a, 5b,
5c) apply to push and carry out under the state kept, by laser soldering device 6a to docking section 1
Carry out laser welding, so that docking section 1 engages.
Then, as shown in Figure 4, consolidate applying to push by above-mentioned c-type stationary fixture 7
Spin upside down under the state reserved, welding head 10 is imported to the retaining wall on slope of inner circumferential side
In portion 9, use the General welding connection of welding material from inner circumferential side at groove by submerged arc welding method etc.
Form groove part weld part 11 in processing department 9 and engage, so that bending to cylindrical shape
Metallic plate 12 be formed as drum.
Then, after welding terminates, c-type stationary fixture 7 is pulled down.
Additionally, be six altogether to urges bolt 5a, 5b, the 5c in c-type stationary fixture 7
Situation be illustrated, but the quantity of urges bolt is not limited to six, can be can be from
Any number that metallic plate 12 after involutory processing is pushed by outer peripheral face side equably.
It addition, be upwards multiple situations to the framework 5e of c-type stationary fixture 7 at drum shaft
It is illustrated, but framework 5e can be upwards single at drum shaft.
Here, the stationary fixture used to keep metallic plate 12 is not limited to shown in Fig. 3 that
The c-type stationary fixture 7 of sample, it is also possible to be ring-like stationary fixture 4 as shown in Figure 5.As
Shown in Fig. 5, this ring-like stationary fixture 4 upwards has the framework 5f of multiple annular at drum shaft,
The framework 5f of this annular has urges bolt, and (two pairs of top urges bolt 5a, two counter-lateral quadrentses push away
Pressure bolt 5b, two couples of bottom urges bolt 5c).Additionally, Fig. 5 is by ring-like fixation clamp
The explanatory diagram of laser welding operation when tool 4 is fixed.
In the case of Gai, to the inner surface of the metallic plate 12 that docking section 1 has been carried out machining
Side imports the Laser Welding head 6b of laser soldering device 6, by laser beam from inner surface side to right
Meet portion 1 to weld.
It addition, be downward welding direction in Figure 5 but it also may upwards.
Urges bolt 5a, 5b, 5c in this ring-like stationary fixture 4 are also not limited to Fig. 5
Shown six, can be can be uniform to the metallic plate 12 after involutory processing from outer peripheral face side
Ground carries out any number pushed.
It addition, be upwards multiple situations to the framework 5f of ring-like stationary fixture 4 at drum shaft
It is illustrated, but framework 5f can be upwards single at drum shaft.
Then, the metallic plate 13 of drum after welding is arbitrarily carried out so that material is quenched be
Heat treatment of purpose.This heat treatment is so that the carbon etc. of hardening element uniformly spreads and releases
For the purpose of putting internal residual stresses, such as can enumerate normalizing, anneal, anneal-be tempered or
Eliminate strain annealing etc..
Then, outer surface roughing and/or the rolling of the metallic plate 13 to drum are arbitrarily carried out
The coarse regulation of barrel dliameter.
Then, Surface hardened layer heat treatment is implemented.This Surface hardened layer heat treatment carries out so-called mostly
High-frequency quenching, is tempered after quenching, it is possible to obtain the cementation zone with toughness.
Then, side plate and axle are installed in the two sides at the metallic plate 13 of drum.Additionally,
The installation of this side plate and axle also was able to before Surface hardened layer heat treatment carry out.
Then, the rotary drum radial polish of the metallic plate 13 of drum is implemented.
Finally, the outermost roughness of cylinder surface through the metallic plate 13 of drum is adjusted
The whole construction with hard chrome plating etc., completes the roll bending hollow cylinder as final products.
1st embodiment of the manufacture method of the roll bending hollow cylinder according to the above-mentioned present invention,
After rolling machining, the inner surface side in docking section implements the retaining wall on slope for both ends in advance,
And by machining, docking section is carried out involutory processing.Thus, even if such as using slab,
It also is able to make end face to be welded dock with very high degree of precision, therefore, it is possible to realization difficulty in the past,
The joint carried out based on high-precision laser welding.
It is capable of welding as follows based on the directly welding between the cylinder mother metal that this laser beam is carried out
Connecing: sealing wire will not become the layer of heterogeneity, due to high-energy-density welding, heat affected zone is also
Less, and the hardness on surface is uniform.Further, since the heat affected zone of sealing wire is less, so
It also is able to the deformation of the drum after generally eliminating welding.Although on this sealing wire temporarily
Being found that hardened layer, but can be removed simply by the heat treatment of subsequent handling, cylinder is female
Material and sealing wire become identical component, have obtained same rigidity in the final product.
Further, since need not as the method described in patent documentation 1, by metallic plate
By by punch forming etc. by both ends near keep smooth in the way of form special pancake
Under the state of shape, jointing end face is welded fetching abreast, therefore, have following excellent
Point: need not again correct into flat pattern portion the additional process of positive round after welding.And,
Realize following advantage: need not as electron beam welding in large-scale ultrahigh vacuum equipment
Carry out operation, also will not produce high cost and the poor problem of workability.
Further it is assumed that the feelings of machining of the rolling machining advance row metal end face at metallic plate
Under condition, also due to during rolling machining produce strain and cause the docking of the docking section of metallic plate
Precision reduces, and the guaranteeing of the merging precision required for laser welding becomes extremely difficult, based on swashing
Photocoagulation and the welding that carries out becomes difficulty.In contrast, at the roll bending hollow cylinder of the present invention
Manufacture method the 1st embodiment in, by carrying out machining after roll bending, it can be ensured that
Merging precision required for laser welding, it is possible to keep making by applying pushing force from outer circumferential side
The state of the space loss between the end face at both ends and implement laser welding.
It addition, in docking section inner surface side, groove is implemented at both ends before laser welding and adds
Work, this retaining wall on slope leaves the laser butt welding portion making degree that outer surface will not be thermally influenced
Height, this retaining wall on slope portion is suitable for high heat input and engages, thus, and only
Weld, by low_input_power, the method carrying out engaging to compare, it is possible to when being significantly reduced welding
Between.Such as, as low_input_power weld, welded by MIG or MAG weld to groove
In the case of processing department carries out built-up welding welding, need to carry out about at the built-up welding in retaining wall on slope portion
The welding of 30 times, in contrast, in the case of the submerged arc welding method of high heat input welding, welding
Number of times is of about the built-up welding that just can complete retaining wall on slope portion 10 times, executes therefore, it is possible to shorten
Between man-hour, it is possible to seek cost cutting therewith together simultaneously.
Therefore, it is suppressed that the deformation in time of the cylinder surface near weld part, it is possible to form rolling
Cylinder surface does not has roughness difference of hardness, impartial, and can give full play to equipment
Transport under the state of production capacity.Thereby, it is possible to manufacture in high efficiency and low cost in roll bending
Empty cylinder, this roll bending hollow cylinder can take place without cylinder surface shape to the steel plate of conveyance
Transfer, the conveyance of fine surface process steel plate.
Additionally, above-mentioned involutory adding, employs the fixing of the interim fixing metallic plate 12 welded man-hour
Method is one of the method that can apply, as long as to the metallic plate 12 implementing rolling machining
The method that is fixed of end position be then not limited to the method.
As other fixing means, such as, it is also possible in the situation not implementing interim fixing welding
The c-type stationary fixture 7 that lower installation is above-mentioned, makes the docking left side 2a of metallic plate 12 and right
Under the state connecing right side 2b docking, docking section 1 is carried out machining.In the case of Gai, the phase
Hope and the most also apply to push by mechanisms such as hydraulic jack from inner surface and carry out solid
Fixed.
＜ the 2nd embodiment ＞
Use Fig. 6 and Fig. 7 the 2nd enforcement to the manufacture method of the roll bending hollow cylinder of the present invention
Example illustrates.
First, similarly to Example 1, carry out the metallic plate of rectangle bends to cylindrical shape
Rolling machining.And, on the docking section 1 of cylindric metallic plate 12, preferably in docking
The side in portion 1 is implemented spot welding etc. and is carried out interim fixing welding, thus becomes mated condition.
Then, as it is shown in figure 1, by the machinery processing apparatus 3c with slotting cutter etc. to facing
Time fix welding after the inner peripheral surface side of docking section 1 carry out retaining wall on slope.
Then, the machining using the slotting cutter 3b1 with taper as shown in Figure 6 fills
Put 3b, involutory processing is implemented in the docking section 1 of metallic plate 12, thus forms interval and be about
The gap of the taper of 10mm.
Here, such as it is shown in fig. 7, the angle, θ of taper using will point 8 as benchmark towards
On the basis of angle when the both ends of the surface (2a, 2b) of metallic plate 12 open radially, wherein,
Point 8 is the both ends of the surface (2a, 2b) of the metallic plate 12 relative to the interval separating about 10mm
Intermediate point and metallic plate 12 part of opposition side that is positioned on circumferencial direction, thickness direction
The point of central part.
It addition, the taper of the present invention is following shape: make outer peripheral face side compared with inner peripheral surface side more
For opening, thus relative to the central shaft of cylindric metallic plate 12 when vertical direction is observed,
When becoming the state of the space loss making both ends of the surface (2a, 2b), both ends of the surface (2a, 2b)
Whole parallel.
Additionally, Fig. 6 is the explanatory diagram of the machining operation of taper, Fig. 7 is the base of coning angle
Explanatory diagram on schedule.
Then, similarly to Example 1, the c-type being equipped in as shown in Figure 3 is used to fix
Urges bolt (5a, 5b, 5c) on fixture 7, the metallic plate 12 after rolling machining
Outer peripheral face pushes, and makes the docking section 1 having carried out involutory processing become gap by pushing and contracts
Narrow state.And, it is being fixed by above-mentioned c-type stationary fixture 7 and is applying to push
And carry out under the state kept, make docking section 1 engage by laser soldering device 6.
Then, as shown in Figure 4, apply to push by c-type stationary fixture 7 in holding and fix
State under spin upside down, welding head 10 is imported to the retaining wall on slope portion 9 of inner circumferential side
Inner circumferential side, use the General welding connection of welding material in retaining wall on slope portion by submerged arc welding method etc.
Form groove part weld part 11 on 9 and engage.
After welding terminates, above-mentioned c-type stationary fixture 7 is pulled down.Stationary fixture can also
It is ring-like stationary fixture 4 similarly to Example 1.
It addition, similarly to Example 1, it is also possible to using hydraulic pressure from inner surface as required
C-type stationary fixture 7 or ring-like stationary fixture 4 are installed, not on the basis of the mechanisms such as jack
Implement interim fixing welding and make under the state that the both ends of the surface (2a, 2b) of metallic plate 12 are docked
Carry out the machining of docking section 1.
Then, the metallic plate 13 of the drum after welding is carried out for the purpose of material is quenched
An arbitrary heat treatment, arbitrary outer surface roughing, the coarse regulation of arbitrary rotary drum radial,
Then Surface hardened layer heat treatment is carried out.
Then, through the two sides of the metallic plate 13 to drum, side plate and axle, rolling are installed
The construction of barrel dliameter polish, the adjustment of cylinder surface outermost roughness and hard chrome plating etc., completes
Roll bending hollow cylinder as final products.
In the 2nd embodiment of the manufacture method of the roll bending hollow cylinder of the present invention, it is also possible to
To the effect roughly the same with the 1st embodiment of the manufacture method of above-mentioned roll bending hollow cylinder.
Further, by making the end face shape after the involutory processing at the both ends of the metallic plate 12 of docking
Become the taper that outer circumferential side is open, between becoming between the end face at the both ends making metallic plate 12
During the state of gap constriction, the whole end face at both ends is parallel, it is possible to make docking section 1 when pushing
Be formed as the parastate of very high degree of precision, it is possible to increase two of the metallic plate 12 during constriction gap
The fluid-tight engagement degree of end face, it is possible to seek the further raising of the merging precision of welding end surface.
Additionally, the datum mark of the angle, θ of taper is not limited to the point 8 of Fig. 7.In addition,
Can be the arbitrfary point being positioned at inner circumferential side than the outer surface of the metallic plate 12 shown in Fig. 7, more excellent
Choosing be, it is desirable to be the gold after intermediate point and the rolling machining of both ends of the surface by carrying out taper processing
On the line segment that the central link of genus plate 12 is got up, to consider metallic plate 12 thickness of slab and diameter
Arbitrfary point.
＜ the 3rd embodiment ＞
Use Fig. 8 that the 3rd embodiment of the manufacture method of the roll bending hollow cylinder of the present invention is carried out
Explanation.
Fig. 8 is the explanatory diagram of the laser welding operation carried out based on arm type robot.
First, in the same manner as embodiment 1 grade, carry out the metallic plate of rectangle is bent to cylindrical shape
Rolling machining.And, on the docking section 1 of cylindric metallic plate 12, preferably right
The side enforcement spot welding etc. meeting portion 1 carries out interim fixing welding, thus becomes mated condition.
Then, as it is shown in figure 1, by the machinery processing apparatus 3c with slotting cutter etc. to facing
Time fix welding after the inner peripheral surface side of docking section 1 carry out retaining wall on slope.
And, use has the slotting cutter 3a1 of rectilinear form or the machine of the slotting cutter 3b1 of taper
Tool processing unit (plant), implements involutory processing to the docking section 1 of metallic plate 12, thus forms interval
It is about the uniform of 10mm or the gap of taper.
Then, in the same manner as embodiment 1 grade, use the c-type being equipped in as shown in Figure 3 solid
Urges bolt on clamp tool 7 or ring-like stationary fixture 4 as shown in Figure 5 (5a, 5b,
5c), the outer peripheral face of the metallic plate 12 after rolling machining pushes, by pushing make into
Having gone the docking section 1 of involutory processing keeps the state of space loss.Make the shape of this space loss
Under state, docking section 1 is made to engage by laser soldering device 6.
Now, as shown in Figure 8, arm type robot 6 is used to carry out laser welding.
In the case of Gai, first, in the head end equipment of robot arms 6c of arm type robot 6
Laser Welding head 6a, with the various welding conditions of the metallic plate 12 as cylinder mother metal (plate
Material, thickness of slab, rotary drum radial etc.) the necessary setting value (example that the most in advance studies well
As with the distance of cylinder surface, the incident angle of Laser Welding head, feed speed, laser intensity
Deng) setting.Then, the arm of above-mentioned Laser Welding head 6a will be had to import in head end equipment
The outer surface side of metallic plate 12 or the inner surface side of metallic plate 12, carry out laser welding.
It is expected to when the outer surface of metallic plate 12 welds, uses the c-type shown in Fig. 3
Stationary fixture 7, when welding from the inner surface of metallic plate 12, uses the ring shown in Fig. 5
Type stationary fixture 4.
Then, as shown in Figure 4, apply to push by c-type stationary fixture 7 in holding and fix
State under spin upside down, in the retaining wall on slope portion 9 of inner circumferential side, pass through submerged arc welding method
On retaining wall on slope portion 9, groove part is formed from inner circumferential side Deng the General welding connection using welding material
Weld part 11 and engage.
After welding terminates, above-mentioned c-type stationary fixture 7 is pulled down.
Then, the metallic plate 13 to the drum after welding, carry out for the purpose of material is quenched
An arbitrary heat treatment, arbitrary outer surface roughing, the coarse regulation of arbitrary rotary drum radial,
Then Surface hardened layer heat treatment is carried out.
Then, through the two sides of the metallic plate 13 to drum, side plate and axle, rolling are installed
The construction of barrel dliameter polish, the adjustment of cylinder surface outermost roughness and hard chrome plating etc., completes
Roll bending hollow cylinder as final products.
In the 3rd embodiment of the manufacture method of the roll bending hollow cylinder of the present invention, it is also possible to
To the effect roughly the same with the 1st embodiment of the manufacture method of above-mentioned roll bending hollow cylinder.
Further, by using arm type robot in laser welding, it is possible to automatically carry out according to plate
Material, thickness of slab, rotary drum radial etc. and need that adjust at any time with cylinder surface distance, laser
The isoparametric change of the incident angle of welding head, feed speed, laser intensity, it is possible to seek to make
The high efficiency of industry, time shorten and the reduction of manufacturing expense together therewith.
＜ the 4th embodiment ＞
Use Fig. 9 and Figure 10 the 4th reality to the manufacture method of the roll bending hollow cylinder of the present invention
Execute example to illustrate.
First, similarly to Example 1, carry out the metallic plate of rectangle bends to cylindrical shape
Rolling machining.And, on the docking section 1 of cylindric metallic plate 12, preferably in docking
The side in portion 1 is implemented spot welding etc. and is carried out interim fixing welding, thus becomes mated condition.
Then, as it is shown in figure 1, by the machinery processing apparatus 3c with slotting cutter etc. to facing
Time fix welding after the inner peripheral surface side of docking section 1 carry out retaining wall on slope.
And, use has the slotting cutter 3a1 of rectilinear form or the machine of the slotting cutter 3b1 of taper
Tool processing unit (plant), implements involutory processing (between about 10mm to the docking section 1 of metallic plate 12
Every), form interval and be about the uniform of 10mm or the gap of taper.
Then, in the same manner as embodiment 1 grade, use the c-type being equipped in as shown in Figure 3 solid
Urges bolt on clamp tool 7 or ring-like stationary fixture 4 as shown in Figure 5 (5a, 5b,
5c), the outer peripheral face of the metallic plate 12 after rolling machining pushes, by pushing make into
Having gone the docking section 1 of involutory processing keeps the state of space loss.Make the shape of this space loss
Under state, docking section 1 is made to engage by laser soldering device 6.
Then, as it is shown in figure 9, apply to push by ring-like stationary fixture 4 in holding and fix
State under spin upside down, in retaining wall on slope portion 9 by use welding material low grade fever
Input welding (such as MAG welding, MIG welding, the electron beam welding of use welding material
Method, the use method of laser welding of welding material, plasma transferred arc built-up welding (plasma
Transferred arc welding) method etc.) built-up welding welding is carried out from inner circumferential side, thus form the 1st
Weld layer 11a.
In the built-up welding welding forming the 1st weld layer 11a, owing to employing quenching hardening
The welding material of less low carbon amounts, so in order to weld based on docking section 1 and low carbon amounts
The fusion of material and the dilution (diffusion) of carbon amounts that produces carries to the docking section 1 shown in Figure 10
The impact come is limited to Min., uses above-mentioned MAG to weld, the low grade fever such as MIG welding
Input welding.Here, the welding material of the 1st weld layer 11a is as mentioned above compared with mother metal
For low carbon amounts, when increase to mother metal and become hardened layer the fusion penetration of docking section 1 time, exist because of
The dilution (diffusion) that produces based on fusion and the probability that causes case depth to reduce, therefore,
Expecting to make welding condition is to there is not lack of fusion (internal lack suppressing into the fusion penetration of mother metal
Fall into) probability about 2mm condition (such as, based on low_input_power welding carry out 2～3
Secondary built-up welding is welded).
And, in the upside (inner circumferential of the metallic plate 13 of drum of the 1st weld layer 11a
Side), big by employing heat input compared with welding when forming the 1st weld layer 11a
Welding material high heat input welding (such as submerged arc welding method, carbon dioxide gas arc welding method,
Electroslag welding method etc.) carry out built-up welding welding, thus form the 2nd weld layer 11b.
In the built-up welding welding forming the 2nd weld layer 11b, with formation the 1st weld layer 11a
Built-up welding weld similarly, use the welding material of the quenching less low carbon amounts of hardening.At this
In the high heat input welding of the 2nd weld layer 11b, owing to the 1st weld layer 11a serves buffering
The effect of layer, even if so making the 2nd weld layer 11b and the 1st weld layer 11a melting welding, also can
Access the effect alleviating the impact brought to docking section 1.
So, retaining wall on slope portion 9 defines the 1st weld layer 11a as shown in Figure 10
With the 2nd weld layer 11b, wherein, the 1st weld layer 11a is by employing the low of welding material
Heat input is welded and is formed at the inner peripheral surface side of metallic plate 13, and the 2nd weld layer 11b is by making
Weld with the high heat input of welding material and formed.
Additionally, formed by the 1st weld layer 11a and the 2nd weld layer in this retaining wall on slope portion 9
The operation that the groove part weld part 11 and carrying out that 11b is constituted engages is as follows: hot by input
Extremely low welding forms the 1st weld layer 11a and is used as the 1st weld layer, then, the 1st
On weld layer 11a, (inner circumferential) side inputs by forming phase specific heat with the 1st weld layer 11a
Measure big general high heat input welding and form the 2nd weld layer 11b.
Such as, additionally it is possible to by with repeatedly or multiple method is implemented low_input_power welding and formed the
1 weld layer 11a, or by with repeatedly or multiple method implement high heat input welding formed
2nd weld layer 11b.
After welding terminates, above-mentioned c-type stationary fixture 7 is pulled down.
Then, the metallic plate 13 of the drum after welding is carried out for the purpose of material is quenched
An arbitrary heat treatment, arbitrary outer surface roughing, the coarse regulation of arbitrary rotary drum radial,
Then Surface hardened layer heat treatment is carried out.
Then, through the two sides of the metallic plate 13 to drum, side plate and axle, rolling are installed
The construction of barrel dliameter polish, the adjustment of cylinder surface outermost roughness and hard chrome plating etc., completes
Roll bending hollow cylinder as final products.
In the 4th embodiment of the manufacture method of the roll bending hollow cylinder of the present invention, it is also possible to
To the effect roughly the same with the 1st embodiment of the manufacture method of above-mentioned roll bending hollow cylinder.
Further, as the welding to the retaining wall on slope portion 9 of inner peripheral surface side, it is initially formed low grade fever defeated
Enter the 1st weld layer (the 1st weld layer 11a) of welding, by height on the 1st weld layer
Heat input welding forms the 2nd weld layer (the 2nd weld layer 11b), thereby, it is possible to more enter one
Step alleviates the heat affecting etc. to outer surface of cylinder, alleviates when high heat input welds external further
The heat affecting of side face, it is possible to realize the further reduction of cylinder surface difference of hardness.
＜ the 5th embodiment ＞
Use Figure 11, to as the roll bending hollow cylinder of the present invention and steel plate manufacturing process device
5th embodiment of embodiment illustrates.
Figure 11 is to represent the volume of the present invention by illustrating in above-mentioned 1st～the 4th embodiment
The manufacture method of plate hollow cylinder and the roll bending hollow cylinder that produces is applicable to steel plate and manufactures work
The figure of one example of process and equipment.
As shown in figure 11, in steel plate manufacturing process device, mainly in CAL (continuous annealing
Line: Continuous Annealing Line) or CGL (continuous hot-dipping line: Continuous
Galvanizing Line) etc. in transport device in, especially to diameter 400mm～1500mm
Hollow cylinder R use the present invention by illustrating in the 1st～the 4th above-mentioned embodiment
The manufacture method of roll bending hollow cylinder and the roll bending hollow cylinder that produces.
Additionally, the roll bending hollow of the present invention by illustrating in the 1st～the 4th above-mentioned embodiment
The manufacture method of cylinder and the use object of roll bending hollow cylinder that produces is not limited to figure
Steel plate manufacturing process device as shown in the of 11.
1st～the 4th embodiment of the manufacture method according to above-mentioned roll bending hollow cylinder, it is possible to high
Effect and at low cost manufacture roll bending hollow cylinder, this roll bending hollow cylinder eliminates owing to being folded with
The existence of the sealing wire of welding material and the uneven part of surface roughness that generates are to steel plate
Transfer, it is possible to transport when maintaining surface of steel plate quality higher.In this roll bending
Empty cylinder is very suitable in steel plate manufacturing process the hollow cylinder of the conveyance used.
Therefore, according to roll bending hollow cylinder and the 5th reality of steel plate manufacturing process device of the present invention
Execute example, it is not necessary to worry the transfer to steel plate, it is possible to give sufficient production line tension force, such as
The surface treated steel plate of advanced specification also is able to realize having given full play to equipment capacity
Operation operating.Therefore, it is possible to give full play to the production capacity of steel plate, and can be higher
Transport under the state of the surface quality of the steel plate that holding is produced.Further, since surface is hard
The reduction of degree difference and with the reduction of this weld part areal deformation together and realize transporting cylinder
Replacement frequency reductions etc., it is possible to expect the effect of obvious fee cut, and can cut down
In the manufacturing process of steel plate the manufacturing cost of nonexpondable conveyance cylinder and need change time
Maintenance cost etc..
Other ＞ of ＜
Additionally, the present invention is not limited to above-described embodiment, it is possible to carry out various deformation and application.
In the present invention, mated condition refers to docking left side 2a and the docking right side of metallic plate 12
End face 2b is with the state of space loss state relative to each other.
It addition, in the present invention, the state of space loss refers to: the docking of metallic plate 12 is left
The gap of end face 2a and docking right side 2b be below 0.8mm, more preferably 0.5mm with
Under narrow state, more preferably make docking left side 2a and dock between the 2b of right side
Gap is the state of 0, and the docking left side 2a of metallic plate 12 and the layer docking right side 2b
Difference is below 1.0mm, is more preferably below 0.5mm, the more preferably state of 0.
Description of reference numerals
1 ... docking section；
2a ... docking left side；
2b ... docking right side；
3a ... machinery processing apparatus；
3a1 ... the slotting cutter of rectilinear form；
3b ... machinery processing apparatus；
3b1 ... the slotting cutter of taper；
3c ... machinery processing apparatus；
4 ... ring-like stationary fixture；
5a ... top urges bolt；
5b ... sidepiece urges bolt；
5c ... bottom urges bolt；
5d ... block；
5e ... (c-type shape) framework；
5f ... (annular) framework；
6 ... arm type robot；
6a ... outer surface side Laser Welding head；
6a ... inner surface side Laser Welding head；
6c ... robot arms；
7 ... c-type stationary fixture；
8 ... coning angle datum mark；
9 ... retaining wall on slope portion, inner circumferential side (V-shape)；
10 ... welding head；
11 ... groove part weld part；
11a ... the 1st weld layer；
11b ... the 2nd weld layer；
12 ... cylindric metallic plate (before welding)；
13 ... cylindric metallic plate (after welding)；
R ... the roll bending hollow cylinder of the present invention.
Claims (8)
1. the manufacture method of a roll bending hollow cylinder, it is characterised in that
After implementing the rolling machining that the metallic plate of rectangle is bent to cylindrical shape, make bending
The end face becoming the both ends of the metallic plate of described cylindrical shape becomes mated condition；
In this condition, retaining wall on slope is implemented in the inner circumferential side at the both ends of this docking and form slope
Mouth processing department；
The end face of the outer circumferential side at the both ends of described docking is implemented machining and makes described end
Face is smoothened；
Then, from outer circumferential side, the metallic plate bending to described cylindrical shape is applied pushing force, become
Make the state of space loss between the end face at described both ends；
In this condition, between the end face at described both ends, do not pass through laser sandwiched welding material
Restraint the described both ends to described metallic plate to weld；
Then, use welding material that the retaining wall on slope portion of described inner circumferential side is implemented welding, make curved
The metallic plate of the described cylindrical shape of bent one-tenth is formed as drum.
The manufacture method of roll bending hollow cylinder the most according to claim 1, it is characterised in that
The end face of the outer circumferential side at the both ends to described docking is implemented in the operation of machining,
Whole parallel interval of end face it is formed with between the end face at described both ends.
The manufacture method of roll bending hollow cylinder the most according to claim 1, it is characterised in that
The end face of the outer circumferential side at the both ends to described docking is implemented in the operation of machining,
With when becoming the state of the space loss making to be formed between the end face at described both ends, institute
State whole the parallel mode of end face at both ends, make the end face at the both ends of described docking be formed as
The taper that outer circumferential side is open.
4. according to the manufacture method of the roll bending hollow cylinder according to any one of claims 1 to 3,
It is characterized in that,
Arm type robot is used to carry out welding based on described laser beam and use described welding
The welding of material.
5. according to the manufacture method of the roll bending hollow cylinder according to any one of claims 1 to 3,
It is characterized in that,
Welding material is being used to implement in the operation of welding to the retaining wall on slope portion of described inner circumferential side,
Described retaining wall on slope portion carries out low_input_power welding and forms the 1st weld layer；
Described 1st weld layer carries out heat input compared with the welding of described low_input_power big
High heat input welding forms the 2nd weld layer, thus, is formed double in described retaining wall on slope portion
The weld part of layer structure.
6. according to the manufacture method of the roll bending hollow cylinder according to any one of claims 1 to 3,
It is characterized in that,
From outer circumferential side to bend to described cylindrical shape metallic plate apply pushing force and become and make
In the operation of the state of the space loss between the end face at described both ends,
Use the stationary fixture with dipper crowding gear from outer circumferential side to bending to described cylindrical shape
Metallic plate pushes, thus the shape of the space loss between becoming the end face making described both ends
State.
7. a roll bending hollow cylinder, utilizes in the roll bending according to any one of claim 1～3
The manufacture method of empty cylinder and make.
8. a steel plate manufacturing process device, employs and utilizes institute any one of claim 1～3
The manufacture method of the roll bending hollow cylinder stated and the roll bending hollow cylinder made.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| PCT/JP2014/053386 WO2015121951A1 (en) | 2014-02-13 | 2014-02-13 | Production method for plate-bending hollow roll, plate-bending hollow roll, and device for steel plate production process |
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| CN104125871A CN104125871A (en) | 2014-10-29 |
| CN104125871B true CN104125871B (en) | 2016-09-28 |
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| JP (1) | JP5650358B1 (en) |
| CN (1) | CN104125871B (en) |
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| WO2016086250A2 (en) | 2014-12-01 | 2016-06-09 | Georg Michael Ickinger | Drying cylinder consisting of a coaxial double cylinder and an annular gap |
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| Publication number | Publication date |
|---|---|
| JP5650358B1 (en) | 2015-01-07 |
| WO2015121951A1 (en) | 2015-08-20 |
| JPWO2015121951A1 (en) | 2017-03-30 |
| CN104125871A (en) | 2014-10-29 |
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