CN109175903A - The production method of continuous rolling production line roller bed frame blank - Google Patents
The production method of continuous rolling production line roller bed frame blank Download PDFInfo
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- CN109175903A CN109175903A CN201811130430.XA CN201811130430A CN109175903A CN 109175903 A CN109175903 A CN 109175903A CN 201811130430 A CN201811130430 A CN 201811130430A CN 109175903 A CN109175903 A CN 109175903A
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- bed frame
- roller bed
- cutting
- side roller
- slab
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
Abstract
The present invention provides a kind of production method of continuous rolling production line roller bed frame blank, including following process characteristic: 1) slab component blanking, using the cutting mode of " chimeric jacking " to roller bed frame；2) the group weldering of each component, is carried out after transmission side roller bed frame and the back-to-back fixation of fore side roller bed frame bottom plate again, transmission side roller bed frame and the welding simultaneously of the symmetrical weld seam of fore side roller bed frame when group weldering, and construct simultaneously from two roller bed frame both ends to centre；3), transmission side roller bed frame and fore side roller bed frame group are soldered complete integrally annealed.The production method of continuous rolling production line roller bed frame blank provided by the invention can effectively reduce or avoid the deformation of roller bed frame blank, while utilization rate of raw materials can also be greatly improved, to reduce tandem mill roller bed frame blank cost of manufacture.
Description
Technical field
The invention belongs to technical field of metallurgical machinery, are related to the production method of continuous rolling production line roller bed frame blank.
Background technique
In the major steel plant in the whole nation, the roller bed frame structure of continuous rolling production line roller-way equipment is roughly the same, by slab, vertical plate,
Bottom plate and gusset group are welded.Its blank making method are as follows: the steel plate blank material of each component, rivet welding are produced according to drawing setting-out
Work is welded after combining, and postwelding carries out stress relief annealing, checks size, orthopedic elimination or reduction blank deformation.This system
There is apparent shortcoming as method, slab single-piece numerically-controlled machine tool cutting stock, stock utilization is low, and manufacturing cost is high,
Product profit is very low；On the other hand, slab after numerically-controlled machine tool cutting stock with vertical plate welding and vertical plate and bottom plate through welding
In the process, due to the effect of welding stress, blank can generate very big bending deformation after completing, and be transferred to machining processes
Afterwards, it is uneven to will lead to machining processes surplus, be easy to cause part machined surface can't process and comes, can only reprocess or scrap.Cause
This urgent need finds a kind of method that can be improved roller bed frame blank production quality and stock utilization, reduce roller bed frame production cost.
Summary of the invention
In order to change, blank brought by roller bed frame blank classical production process is easily-deformable of poor quality and raw material utilize
The low drawback of rate, the present invention provides a kind of production method of continuous rolling production line roller bed frame blank, this method can effectively avoid roller
The deformation of road frame blank, while utilization rate of raw materials can also be greatly improved.
The present invention is to solve above-mentioned technical problem by the following technical programs, provides continuous rolling production line roller bed frame blank
Production method, including following process characteristic: 1) slab component blanking, using the cutting mode of " chimeric jacking " to roller bed frame,
First retain several tie points between blank material during cutting stock, cuts open tie point again after blank material is cooling；2), transmission side
The group weldering of each component, transmission side roller bed frame and behaviour when group is welded are carried out after roller bed frame and the back-to-back fixation of fore side roller bed frame bottom plate again
Make the welding simultaneously of the symmetrical weld seam of side roller bed frame, and constructs simultaneously from two roller bed frame both ends to centre；3), transmission side roller-way
Frame and fore side roller bed frame group are soldered and finish the integrally annealed in the case where not splitting.
Jacking in machining, when referring to workpiece blanking, the bad row of some places or vacancy in discharge are
Very big waste is avoided, can inside extract some small powders of different shapes again, i.e., in limited raw material area
It is as much as possible to be produced using material, stock utilization is improved, a kind of method of waste material is reduced.
" chimeric jacking " of the present invention refers to the jacking blanking that the interlaced wedging of multiple thick member is entrenched togather
Mode.
The procedure of processing of production method based on above-mentioned continuous rolling production line roller bed frame blank, including following technical process:
1) slab blanking, and including following sub- process: a, uses and " be fitted into according to the size of slab and the size of sheet stock
The cutting mode of jacking " utilizes the cutting line of the multiple slabs of computer design；B, cutting line is drawn, the cutting line of computer design is drawn in
In sheet stock；C, according to cutting line drawing drill hole line, simultaneously hole is cut in drilling；D, input cutting process is cut into thickness with numerically-controlled machine tool
Plate blank；
2) vertical plate, bottom plate, gusset, utilize numerically-controlled machine tool cutting stock；
3) planishing respectively to dress face by slab and vertical plate；
4) each component welds dress group, is fixed together in pairs by the bottom plate of transmission side roller bed frame and fore side roller bed frame is back-to-back,
Then other each components are assembled and is welded again, transmission side roller bed frame and the symmetrical weld seam of fore side roller bed frame are applied simultaneously when group is welded
Weldering, and construct simultaneously from two roller bed frame both ends to centre；
5) after the completion of stress relief annealing, transmission side roller bed frame and the back-to-back assembly welding of fore side roller bed frame, whole advance and retreat stove
Annealing；
6) transmission side roller bed frame and fore side roller bed frame are split, reconditioning forming.
Further, the picture cutting line link of slab technology for blanking process will reserve enough cutting lines between each workpiece
Gap size, cutting line gap will not only can guarantee slab blank dimension and but also can make cutting that can implement.
Further, slab technology for blanking process according to cutting line drawing drill hole line and drilling cut hole link, drilling hole amount
It should ensure that after having cut a continuous cutting lines, hole should be distributed in new continuous cutting lines starting point.
Further, in the technical process of each component groups weldering, the bottom plate of transmission side roller bed frame and fore side roller bed frame back to
Back is fixed in pairs, is by fixing in two bottom panel side welding baffle spot welding.
Further, the numerically-controlled machine tool of slab blanking selects NC flame cutting machine or plasma cutting machine.
Further, further include H profile steel component and bottom plate welding procedure, which comes technical process 6)
After reconditioning molding and all machining processes of roller bed frame, that is, H profile steel component is in entire roller bed frame blank manufacturing process,
It does not weld first, row welding again after being completed to roller bed frame machining processes.
Beneficial effects of the present invention:
Roller bed frame blank manufacturing method compared with the existing technology, the production of continuous rolling production line roller bed frame blank provided by the invention
Method can effectively reduce or avoid the deformation of roller bed frame blank, eliminate blank and reprocess or scrap situation, while can also greatly mention
High utilization rate of raw materials, to reduce tandem mill roller bed frame blank cost of manufacture.
Detailed description of the invention
Fig. 1 is transmission side roller bed frame schematic diagram；
The top view of Fig. 2 Fig. 1；
Fig. 3 is fore side roller bed frame schematic diagram；
The top view of Fig. 4 Fig. 3；
Fig. 5 is the chimeric jacking and drill drawing of roller bed frame thick member processing；
Fig. 6 is transmission side roller bed frame and fore side roller bed frame is back-to-back is fixedly welded figure；
Fig. 7 is the fabrication processing figure of roller bed frame blank；
In figure: 1, slab, 2, vertical plate, 3, gusset, 4, bottom plate, 5, H profile steel, 6, sheet stock, 7, cutting line, 8, drill hole line,
9, tie point, 10, baffle.
Specific embodiment
The present invention will be further explained below with reference to the attached drawings and specific examples:
1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7 are inquired, roller bed frame is divided into transmission side roller bed frame and fore side roller bed frame, roller bed frame
Design feature are as follows: elongated rivet welding structure, transmission side roller bed frame and fore side roller bed frame structure are essentially identical, for bilateral symmetry tie
Configuration formula；The size of common continuous caster roller way frame slab 1 is 300mm(width) X412mm(height) X5550(length).No matter pass
Dynamic side or fore side roller bed frame, need to all be cut into several grooves on slab, so the key of stock utilization height is just
In the production method of thick member 1.The manufacturing process of roller bed frame blank is as follows:
1), 1 blanking of slab:
A, more using computer design with the cutting mode of " chimeric jacking " according to the size of the size of slab 1 and sheet stock 6
The cutting line 7 of a slab 1, the specification of sheet stock 6, can be realized on one whole steel plate currently on the market, make 8 thickness
Plate 1 designs the cutting line 7 of thick member 1 according to the sized computers typesetting of whole plate size and thick member 1, between each thick member 1
Reserve enough cutting gap sizes.
Jacking in machining, when referring to workpiece blanking, the bad row of some places or vacancy in discharge are
Very big waste is avoided, can inside extract some small powders of different shapes again, i.e., in limited raw material area
It is as much as possible to be produced using material, stock utilization is improved, a kind of method of waste material is reduced.
" chimeric jacking " described in the embodiment of the present invention refers to the set that the interlaced wedging of multiple thick member 1 is entrenched togather
Expect cutting mode.
B, cutting line 7 is drawn, the cutting line 7 of computer design is drawn in sheet stock 6.
C, drill hole line 8 and drilling are drawn according to cutting line 7 and cuts hole, because steel plate thickness is big, directly cut impermeable, cut with cutting torch
Before cutting, answers subdrilling to cut hole, i.e., start the chain-dotted line drilling of cutting in cutting torch, drilling hole amount, which should ensure that, has cut a company
After continuous cutting line, hole should be distributed in new continuous cutting lines starting point.After the completion of scribing line, drilled using drilling machine.
D, input cutting process is cut into slab blank with NC flame cutting machine bed, and when cutting retains several places and is connected
Tie point 9 the reason of not cutting off, not cutting off it is as follows: during cutting slab, a large amount of heat can be distributed, caused
The part cut open generates buckling deformation, and cutting torch will wander off when cutting subsequent cutting line, it is therefore necessary to ensure a few places are connected
The tie point 9 connect is not cut open, when cutting completion, after workpiece is cooling, then cuts open each tie point 9.
2) vertical plate 2, gusset 3, bottom plate 4, utilize NC flame cutting machine bed cutting stock.
3) planishing respectively to dress face by slab 1 and vertical plate 2；By the favourable turn processing workshop of thick member 1, with planer planing slab 1
With 3 pairs of dress faces of vertical plate, this process is that dress is used in next procedure for convenience, is guaranteed by processing straight to dress face.
4) each component welds dress group, 1 turn of rivet welding workshop of slab, with the other steel plates of roller bed frame to dress, welding.This procedure is
One of welding deformation critical process is controlled, in order to avoid welding deformation, by the bottom plate 4 of transmission side roller bed frame and fore side roller bed frame
It is back-to-back to be fixed together in pairs, it can be by being fixed in two bottom plates, 4 side welding baffle spot welding, then again by other each component groups
It fills and welds.H profile steel 5 is not welded first, connects completion to welding equipment to roller bed frame, and complete to weld again after various processes by machining
It connects.Group weldering when transmission side roller bed frame and the symmetrical weld seam of fore side roller bed frame simultaneously welding, and from two roller bed frame both ends to
Centre is constructed simultaneously, and such transmission side roller bed frame and fore side roller bed frame respectively arrange two welder's weldings.
5) whole to retreat after the completion of stress relief annealing, transmission side roller bed frame and the back-to-back assembly welding of fore side roller bed frame
Stove annealing.Since the internal stress that welding is formed will lead to roller bed frame deformation, so must be provided with stress relief annealing process, and
The methods of stress relief annealing are very crucial to preventing from deforming.Roller bed frame transmission side and fore side is back-to-back connects completion to welding equipment
Afterwards, it does not still split, whole into anneal, such annealing way can greatly reduce roller bed frame in annealing process
Deformation caused by middle stress release, guarantees the production quality of roller bed frame blank.
6) transmission side roller bed frame and fore side roller bed frame are split, reconditioning forming.Cut open each welding gear of two bottom plates, 4 side
Plate 10, and to burr and steel slag reconditioning.
7) bottom plate 4 and H profile steel are welded after machining；H profile steel component 5 and 4 welding procedure of bottom plate, technical process row
Technical process 6) reconditioning molding and all machining processes of roller bed frame after, that is, H profile steel component is in entire roller bed frame
Blank manufacturing process is not welded first, row welding again after completing to other machining processes of roller bed frame.Roller-way after welded H section steel 5
Frame blank completes.
The advantages of production method of the tandem rolling machine production line roller bed frame blank of the embodiment of the present invention: it can effectively reduce or avoid
The deformation of roller bed frame blank reduces blank and reprocesses or scrap situation, while utilization rate of raw materials can also be greatly improved, to drop
Low tandem mill roller bed frame blank cost of manufacture, present invention method are simple and easy convenient for popularization.
Above embodiments and attached drawing are only used to illustrate the technical scheme of the present invention, and are not limitation of the present invention, reference
Preferred embodiment describes the invention in detail, those skilled in the art should understand that, the art
The variations, modifications, additions or substitutions made within the essential scope of the present invention of those of ordinary skill without departure from the present invention
Objective, also should belong to claims of the invention.
It is state of the art that the present invention, which does not specifically describe place,.
Claims (8)
1. a kind of production method of continuous rolling production line roller bed frame blank, it is characterised in that: including following process characteristic: 1) using
Slab component blanking of the cutting mode of " chimeric jacking " to roller bed frame first retains during cutting stock several between blank material
Tie point cuts open tie point after blank material is cooling again；2) transmission side roller bed frame and the back-to-back fixation of fore side roller bed frame bottom plate
The group weldering for carrying out each component again afterwards, transmission side roller bed frame and the welding simultaneously of the symmetrical weld seam of fore side roller bed frame when group is welded, and
It constructs simultaneously from two roller bed frame both ends to centre；3) transmission side roller bed frame and fore side roller bed frame group are soldered to finish and not split
In the case of integrally annealed.
2. the production method of continuous rolling production line roller bed frame blank according to claim 1, it is characterised in that: including following work
Skill process, 1) slab blanking；2) vertical plate, bottom plate, gusset, utilize numerically-controlled machine tool cutting stock；3) by slab and vertical plate to dress
It planishes respectively in face；4) each component welds dress group, by the back-to-back pairs of fixation of the bottom plate of transmission side roller bed frame and fore side roller bed frame
Together, then other each components are assembled and is welded again；5) stress relief annealing；6) transmission side roller bed frame and fore side roller bed frame
It splits, reconditioning forming.
3. the production method of continuous rolling production line roller bed frame blank according to claim 2, it is characterised in that: under the slab
Expect technical process, including the following steps: " chimeric jacking " a, is used according to the size of slab and the size of sheet stock
Cutting mode utilizes the cutting line of the multiple slabs of computer design；B, cutting line is drawn, the cutting line of computer design is drawn in raw material
On steel plate；C, according to cutting line drawing drill hole line, simultaneously hole is cut in drilling；D, input cutting process is cut into slab blank with numerically-controlled machine tool.
4. the production method of continuous rolling production line roller bed frame blank according to claim 3, it is characterised in that: slab blankers
The picture cutting line link of skill process will reserve enough cutting line gap sizes between each workpiece, and cutting line gap wants to protect
It demonstrate,proves slab blank dimension and cutting can again can implement.
5. the production method of continuous rolling production line roller bed frame blank according to claim 3, it is characterised in that: slab blankers
Skill process according to cutting line drawing drill hole line and drilling cut hole link, drilling hole amount, which should ensure that, has cut a continuous cutting lines
Afterwards, hole should be distributed in new continuous cutting lines starting point.
6. the production method of continuous rolling production line roller bed frame blank according to claim 2, it is characterised in that: in each component groups
The back-to-back pairs of fixation of the bottom plate of the technical process of weldering, transmission side roller bed frame and fore side roller bed frame is by two bottom plate sides
Face welding baffle spot welding is fixed.
7. the production method of continuous rolling production line roller bed frame blank according to claim 2, it is characterised in that: slab blanking is used
Numerically-controlled machine tool select NC flame cutting machine or plasma cutting machine.
8. the production method of continuous rolling production line roller bed frame blank according to claim 2, it is characterised in that: further include H-type
Steel member and bottom plate welding procedure, the technical process come technical process 6) reconditioning molding and roller bed frame institute it is organic plus
After work process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811130430.XA CN109175903B (en) | 2018-09-27 | 2018-09-27 | Method for manufacturing roller bed frame blank of continuous rolling production line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811130430.XA CN109175903B (en) | 2018-09-27 | 2018-09-27 | Method for manufacturing roller bed frame blank of continuous rolling production line |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109175903A true CN109175903A (en) | 2019-01-11 |
| CN109175903B CN109175903B (en) | 2019-12-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811130430.XA Expired - Fee Related CN109175903B (en) | 2018-09-27 | 2018-09-27 | Method for manufacturing roller bed frame blank of continuous rolling production line |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05220578A (en) * | 1992-02-10 | 1993-08-31 | Toyo Seikan Kaisha Ltd | Guide bar for manufacturing welded can |
| CN1927534A (en) * | 2006-09-28 | 2007-03-14 | 哈尔滨工业大学 | Forming processing method for large-scale loop-forming element |
| KR100819850B1 (en) * | 2006-10-09 | 2008-04-07 | 신한다이아몬드공업 주식회사 | Diamond tools |
| CN101334659A (en) * | 2008-06-20 | 2008-12-31 | 郭向阳 | Numerical control cutting machine optimized nesting method |
| CN103785998A (en) * | 2014-02-20 | 2014-05-14 | 成军 | Manufacturing method of inclined electroslag welding component shaped like Chinese character 'ri' |
| CN105149726A (en) * | 2015-09-28 | 2015-12-16 | 中船黄埔文冲船舶有限公司 | Numerical-control nesting method for aluminum alloy sheet with ribs |
| CN105750687A (en) * | 2016-04-28 | 2016-07-13 | 中船黄埔文冲船舶有限公司 | Numerical control batch nesting method for small parts |
-
2018
- 2018-09-27 CN CN201811130430.XA patent/CN109175903B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05220578A (en) * | 1992-02-10 | 1993-08-31 | Toyo Seikan Kaisha Ltd | Guide bar for manufacturing welded can |
| CN1927534A (en) * | 2006-09-28 | 2007-03-14 | 哈尔滨工业大学 | Forming processing method for large-scale loop-forming element |
| KR100819850B1 (en) * | 2006-10-09 | 2008-04-07 | 신한다이아몬드공업 주식회사 | Diamond tools |
| CN101334659A (en) * | 2008-06-20 | 2008-12-31 | 郭向阳 | Numerical control cutting machine optimized nesting method |
| CN103785998A (en) * | 2014-02-20 | 2014-05-14 | 成军 | Manufacturing method of inclined electroslag welding component shaped like Chinese character 'ri' |
| CN105149726A (en) * | 2015-09-28 | 2015-12-16 | 中船黄埔文冲船舶有限公司 | Numerical-control nesting method for aluminum alloy sheet with ribs |
| CN105750687A (en) * | 2016-04-28 | 2016-07-13 | 中船黄埔文冲船舶有限公司 | Numerical control batch nesting method for small parts |
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| CN109175903B (en) | 2019-12-13 |
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