CN106077983B - High precision large-sized welding machine frame process - Google Patents
High precision large-sized welding machine frame process Download PDFInfo
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- CN106077983B CN106077983B CN201610490865.XA CN201610490865A CN106077983B CN 106077983 B CN106077983 B CN 106077983B CN 201610490865 A CN201610490865 A CN 201610490865A CN 106077983 B CN106077983 B CN 106077983B
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- welding
- machine frame
- high precision
- carries out
- size
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- 238000003466 welding Methods 0.000 title claims abstract description 94
- 238000000034 method Methods 0.000 title claims abstract description 35
- 238000005516 engineering process Methods 0.000 claims abstract description 31
- 238000010586 diagram Methods 0.000 claims abstract description 12
- 238000011282 treatment Methods 0.000 claims abstract description 9
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 12
- 230000035882 stress Effects 0.000 claims description 12
- 238000004513 sizing Methods 0.000 claims description 11
- 230000003014 reinforcing effect Effects 0.000 claims description 9
- 238000012545 processing Methods 0.000 claims description 8
- 229910052742 iron Inorganic materials 0.000 claims description 6
- 230000032683 aging Effects 0.000 claims description 5
- 229910000679 solder Inorganic materials 0.000 claims description 4
- 238000012790 confirmation Methods 0.000 claims description 3
- 238000012797 qualification Methods 0.000 claims description 3
- 238000005259 measurement Methods 0.000 claims 1
- 238000010276 construction Methods 0.000 abstract description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000003908 quality control method Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000007592 spray painting technique Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
Classifications
-
- 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
- B23K31/00—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups
- B23K31/02—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups relating to soldering or welding
-
- 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
Abstract
The invention discloses high precision large-sized welding machine frame processes, include the following steps: the first step, technology is carried out to each welding of complete machine welding position or assembled step and explains schematic diagram, the weld seam size of each pad of marked position and the pad, weld size requirement in schematic diagram, and welding tooling is cooperated to carry out operation, guarantee that weld job orderly carries out, while industrial operations method can be unified；Second step clamps heavy duty mill housing using several C-type clamps；Third step, adjustment positioning；4th step, laser detecting apparatus positioning；5th step carries out vibration stress relief treatment.High precision large-sized welding machine frame process of the invention, the welding procedure for improving heavy duty mill housing is horizontal, eliminate generated internal stress after welding, and then realize its welding deformation of reduction, and shortens life cycle of the product, guarantee plus post-construction deformation is in range, guarantee the quality of product, its welding efficiency is improved simultaneously, so that it does not influence its period when assembling and using.
Description
Technical field
The present invention relates to heavy duty mill housing welding technique technical fields, more particularly to high precision large-sized welding machine frame work
Process.
Background technique
Heavy duty mill housing in the welding process, even if operator welds heavy duty mill housing according to the process chart made
It connects, still will appear welding maloperation, either part indicates indefinite or not specific causes operation error.In addition, mainframe
Frame directly carries out the processing steps such as other heat treatments, surface treatment or spray painting processing after the completion of welding, can generate biggish
Deformation, so that heavy duty mill housing can generate very big error during installation, is difficult to position, causes rack-mounted various accessories
It needs to readjust or scrap, cost of idleness, and has elongated the manufacturing process of large scale equipment.
Summary of the invention
In order to overcome the above-mentioned deficiencies of the prior art, the present invention provides high precision large-sized welding machine frame process,
Purpose is that the welding procedure for improving heavy duty mill housing is horizontal, eliminates generated internal stress after welding, and then realization reduces its weldering
Deformation is connect, and shortens life cycle of the product, guarantees plus post-construction deformation guarantees the quality of product in range, while improving it
Welding efficiency, so that it does not influence its period when assembling and using.
The technical scheme adopted by the invention is that: high precision large-sized welding machine frame process includes the following steps:
The first step carries out technology to each welding of complete machine welding position or assembled step when designing welding procedure
Schematic diagram is explained, the weld seam size of each pad of marked position and the pad, weld size requirement in schematic diagram, and
Cooperate welding tooling to carry out operation, guarantees that weld job orderly carries out, while industrial operations method can be unified；
Heavy duty mill housing is placed on the support frame placed on horizontal plane by second step, and large-scale using the clamping of several C-type clamps
Rack；
Third step, adjustment positioning first carry out just successive step using slide calliper rule and determine welding position, then use infrared positioning again
Device is accurately positioned, and positioning is welded after completing；
4th step, laser detecting apparatus positioning, after welding is completed, after measuring welding using laser detecting apparatus on the support frame
Size guarantees every product qualification whether in the margin of tolerance；
5th step carries out vibration stress relief treatment, after above-mentioned steps are completed, on the rack by the connection of oscillating aging equipment,
Vibration stress relief treatment is carried out, generated internal stress after welding is eliminated.
Further, the explanation of technology described in first step schematic diagram includes at least the exploded view of following processing step:
A. supervisor's connection gear technology explanation figure, including following content: lower supervisor's hole location confirmation, connection gear press sizing
And spot-welding technology requirement, it checks diagonal-size and confirms verticality with angle square, control diagonal-size error within 2mm；
B. connection gear is by sizing and spot welding position technology explanation figure；
C. confirm four columns specifications and models and hole location direction technology explanation figure, it is ensured that stud is accurate, up and down direction
Accurately；
D. two upper supervisor's spot-welding technology explanation figures；
E. iron plate spot-welding technology explanation figure；
F reinforcing rib welding position, sequential technologies explanation figure；
G. rack is inverted, pays attention to the Hoisting Position of reversion process, column, crosspiece and iron plate all carry out long weldering and expire
Weldering, it is ensured that integral solder quality controls integral planar degree within the scope of 2mm, controls side verticality within the scope of 1.5mm；And
And removal reinforcing rib, it is ensured that reinforcing rib weld polishes smooth nothing left mark.
Further, and then C-type clamp placement slide calliper rule, pass through slide calliper rule when clamping heavy duty mill housing using C-type clamp in second step
Obtain the length size of the heavy duty mill housing near C-type clamp.
Further, and then the slide calliper rule that C-type clamp is placed are fixed on the rack using clamping device, to welding machine frame
Complete and then remove clamping device and slide calliper rule.
Further, in second step using C-type clamp clamping heavy duty mill housing when, the head of C-type clamp towards ground direction, and its
Sky is partially toward with fixing bolt.
Compared with prior art, it the beneficial effects of the present invention are: guaranteeing welding machine frame required precision, improves service life,
Accurate positioning carries out signal diagram technology explanation to each module in complete machine welding position, and cooperate welding when designing welding procedure
Tooling carries out operation, guarantees that weld job orderly carries out, and protects to produce and guarantee the quality.
Ageing treatment after the completion of detection eliminates generated internal stress after welding, shortens life cycle of the product, guarantees processing
After deform in range, do not influence to assemble.It welds whole process and carries out operation according to job instruction, welding personnel only needs profession
Complete machine welding can be completed in technical ability, first carries out laser detection after the completion of welding, then carries out vibration ageing treatment, guarantees that complete machine is every
A link is controllable, guarantees quality while guaranteeing the output value.
By the above welding process, and complete machine processing is carried out on lathe, reached by size quality every after laser scanning
To the requirement of client's drawing.
Detailed description of the invention
Fig. 1 is that supervisor's connection gear technology of the high precision large-sized welding machine frame process first step explains an implementation of figure
The process chart figure of example；
Fig. 2 is the connection gear of the embodiment of Fig. 1 by sizing and spot welding position technology explanation figure；
Fig. 3 is two upper supervisor's spot-welding technology explanation figures of the embodiment of Fig. 1.
Specific embodiment
In order to deepen the understanding of the present invention, present invention will be further explained below with reference to the attached drawings and examples, the implementation
Example for explaining only the invention, does not constitute protection scope of the present invention and limits.
High precision large-sized welding machine frame process, includes the following steps:
The first step carries out technology to each welding of complete machine welding position or assembled step when designing welding procedure
Schematic diagram is explained, the weld seam size of each pad of marked position and the pad, weld size requirement in schematic diagram, and
Cooperate welding tooling to carry out operation, guarantees that weld job orderly carries out, while industrial operations method can be unified；
Heavy duty mill housing is placed on the support frame placed on horizontal plane by second step, and large-scale using the clamping of several C-type clamps
Rack；
Third step, adjustment positioning first carry out just successive step using slide calliper rule and determine welding position, then use infrared positioning again
Device is accurately positioned, and positioning is welded after completing；
4th step, laser detecting apparatus positioning, after welding is completed, after measuring welding using laser detecting apparatus on the support frame
Size guarantees every product qualification whether in the margin of tolerance；
5th step carries out vibration stress relief treatment, after above-mentioned steps are completed, on the rack by the connection of oscillating aging equipment,
Vibration stress relief treatment is carried out, generated internal stress after welding is eliminated.
In the above-described embodiments, the explanation of technology described in first step schematic diagram includes at least the decomposition of following processing step
Figure:
A. supervisor's connection gear technology explanation figure, as shown in Figure 1, including following content: being responsible for hole location confirmation, end under 24#
Alignment, tubing sealing wire are surveyed inside；
25# connection gear is by sizing and spot welding, it is ensured that 24# pipe outside and plane perpendicular；
28# connection gear is by sizing and spot welding, it is ensured that 24# pipe outside and plane perpendicular；
It checks diagonal-size and confirms verticality with angle square, control diagonal-size error within 2mm；Furthermore A, F in figure
Place is designated as welding position, sizeBoth ends spacing between lower supervisor, 850 connection gear distances.
B. connection gear is by sizing and spot welding position technology explanation figure；As shown in Fig. 2, 28# connection gear presses sizing
And spot welding, it is ensured that plane is consistent with the upper plane of lower supervisor on channel steel；25# connection gear is by sizing and spot welding, it is ensured that pipe side
Face and plane perpendicular, upper plane are consistent with the upper plane of lower supervisor；56# connection gear is by sizing and spot welding, it is ensured that puts down on angle bar
Face is consistent with the upper plane of lower supervisor；A connection gear and spot welding are placed by size, is played a supporting role to welding deformation, integral solder
It removes after the completion；Long weldering is carried out to each connection gear vertical angle, among after first two, the principle of symmetrical chiasma is welded；
Vertical angle not weld at 25# connection gear F, and the distance 30,160,273,2170,805 for illustrating expression is respectively to connect gear
Each location dimension, A, F indicate position, 25-1,56-0, and 28-0 indicates the piece mark or cast number of column.
C. confirm four columns specifications and models and hole location direction technology explanation figure, it is ensured that stud is accurate, up and down direction
Accurately.
D. two upper supervisor's spot-welding technology explanation figures；It is responsible on supervisor and 04# on 03# as shown in figure 3, being placed by size
And spot welding, it is ensured that the verticality of supervisor and column up and down；Bis- connection gears of 25# and 28# and spot welding are placed by size, it is ensured that column
Verticality and each size it is accurate；
Emphasis ensures to be responsible for planar smoothness and plane total height 2mm and the alignment of tube end angle square, strict control
The flatness of upper supervisor existsWithin, control diagonal-size error within 2mm, each road size of strict control 125,50,
786、,.Furthermore its 25-1,04-0,03-0, No. 28-0 are managed.
E. iron plate and spot-welding technology explanation figure.
F. reinforcing rib welding position, sequential technologies explanation figure.
G. rack is inverted, pays attention to the Hoisting Position of reversion process, column, crosspiece and iron plate all carry out long weldering and expire
Weldering, it is ensured that integral solder quality controls integral planar degree within the scope of 2mm, controls side verticality within the scope of 1.5mm；And
And five reinforcing ribs of removal, it is ensured that reinforcing rib weld polishes smooth nothing left mark.Wherein, it is pressed from both sides in second step using C-type clamp
, and then C-type clamp placement slide calliper rule, pass through the length ruler for the heavy duty mill housing that slide calliper rule obtain near C-type clamp when holding heavy duty mill housing
It is very little.The slide calliper rule placed next to C-type clamp are fixed on the rack using clamping device, are completed and then are torn open to welding machine frame
Except clamping device and slide calliper rule.When in second step using C-type clamp clamping heavy duty mill housing, the head of C-type clamp is towards ground direction, and its band
Fixing bolt is partially toward sky.
High precision large-sized welding machine frame process of the invention, the welding procedure for improving heavy duty mill housing is horizontal, eliminates
Generated internal stress after welding, and then realize and reduce its welding deformation, and shorten life cycle of the product, after guaranteeing processing
Deformation guarantees the quality of product, while improving its welding efficiency in range, so that it does not influence its week when assembling and using
Phase.
What the embodiment of the present invention was announced is preferred embodiment, and however, it is not limited to this, the ordinary skill people of this field
Member, easily according to above-described embodiment, understands spirit of the invention, and make different amplification and variation, but as long as not departing from this
The spirit of invention, all within the scope of the present invention.
Claims (4)
1. high precision large-sized welding machine frame process, characterized by the following steps:
The first step carries out technology explanation to each welding of complete machine welding position or assembled step when designing welding procedure
Schematic diagram, the weld seam size of each pad of marked position and the pad, weld size requirement in schematic diagram, and cooperate
Welding tooling carries out operation, guarantees that weld job orderly carries out, while can unify industrial operations method；
Heavy duty mill housing is placed on the support frame placed on horizontal plane by second step, and clamps mainframe using several C-type clamps
Frame；
Third step, adjustment positioning first carry out just successive step using slide calliper rule and determine welding position, then use infrared positioning apparatus again
It is accurately positioned, positioning is welded after completing；
4th step, laser detecting apparatus positioning, after welding is completed, on the support frame using size after laser detecting apparatus measurement welding
Whether in the margin of tolerance, guarantee every product qualification；
5th step carries out vibration stress relief treatment, after above-mentioned steps are completed, on the rack by the connection of oscillating aging equipment, carries out
Vibration stress relief treatment eliminates generated internal stress after welding；
Wherein: technology described in the first step explains the exploded view that schematic diagram includes at least following processing step:
A. supervisor's connection gear technology explanation figure, including following content: lower supervisor's hole location confirmation, connection gear press sizing and point
Welding technology requirement checks diagonal-size and confirms verticality with angle square, controls diagonal-size error within 2mm；
B. connection gear is by sizing and spot welding position technology explanation figure；
C. confirm four columns specifications and models and hole location direction technology explanation figure, it is ensured that stud is accurate, and up and down direction is accurate；
D. two upper supervisor's spot-welding technology explanation figures；
E. iron plate spot-welding technology explanation figure；
F. reinforcing rib welding position, sequential technologies explanation figure；
G. rack is inverted, pays attention to the Hoisting Position of reversion process, column, crosspiece and iron plate all carry out long weldering and be fully welded, really
Integral solder quality is protected, controls integral planar degree within the scope of 2mm, controls side verticality within the scope of 1.5mm；And it removes
Reinforcing rib, it is ensured that reinforcing rib weld polishes smooth nothing left mark.
2. high precision large-sized welding machine frame process according to claim 1, it is characterised in that: use C in second step
Type folder clamping heavy duty mill housing when, and then C-type clamp place slide calliper rule, by slide calliper rule obtain C-type clamp near heavy duty mill housing length,
Wide, high size.
3. high precision large-sized welding machine frame process according to claim 1 or 2, it is characterised in that: be located next to C-type clamp
The slide calliper rule of placement are fixed on the rack using clamping device, and clamping device and card are completed and then removed to welding machine frame
Ruler.
4. high precision large-sized welding machine frame process according to claim 2, it is characterised in that: use C in second step
When type folder clamping heavy duty mill housing, the head of C-type clamp is towards ground direction, and it is partially toward sky with fixing bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610490865.XA CN106077983B (en) | 2016-06-29 | 2016-06-29 | High precision large-sized welding machine frame process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610490865.XA CN106077983B (en) | 2016-06-29 | 2016-06-29 | High precision large-sized welding machine frame process |
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| Publication Number | Publication Date |
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| CN106077983A CN106077983A (en) | 2016-11-09 |
| CN106077983B true CN106077983B (en) | 2019-08-02 |
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| CN201610490865.XA Active CN106077983B (en) | 2016-06-29 | 2016-06-29 | High precision large-sized welding machine frame process |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109877583B (en) * | 2019-03-21 | 2020-11-06 | 江苏申阳电梯部件有限公司 | Intelligent manufacturing system and method for escalator driving main shaft |
| CN110666272A (en) * | 2019-10-29 | 2020-01-10 | 苏州工业园区德研福机械设备有限公司 | Large-size high-precision aluminum alloy welding process |
| CN110802530B (en) * | 2019-11-11 | 2023-08-11 | 长沙星沙机床有限公司 | Welding deformation detection tool for crane arm and adjustment method thereof |
| CN115502594A (en) * | 2022-11-24 | 2022-12-23 | 四川科新机电股份有限公司 | Anti-deformation assembly welding method |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202170848U (en) * | 2011-05-27 | 2012-03-21 | 南车株洲电力机车研究所有限公司 | Rear frame of wind power generation unit |
| CN105414785A (en) * | 2015-12-09 | 2016-03-23 | 江苏科技大学 | Manufacturing method for rack of marine low-speed diesel engine |
-
2016
- 2016-06-29 CN CN201610490865.XA patent/CN106077983B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202170848U (en) * | 2011-05-27 | 2012-03-21 | 南车株洲电力机车研究所有限公司 | Rear frame of wind power generation unit |
| CN105414785A (en) * | 2015-12-09 | 2016-03-23 | 江苏科技大学 | Manufacturing method for rack of marine low-speed diesel engine |
Non-Patent Citations (2)
| Title |
|---|
| 利用振动时效技术消除链条抽油机机架焊接残余应力;李新华等;《钻采工艺》;20000630;第23卷(第3期);第62-65页 |
| 振动时效工艺在大型轧机辊道机架上的应用;杨华等;《装备制造技术》;20060930(第3期);第84-86页 |
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Denomination of invention: Welding technology of high precision large frame Effective date of registration: 20220715 Granted publication date: 20190802 Pledgee: Industrial and Commercial Bank of China Limited Guangde sub branch Pledgor: ANHUI YONGCHENG MACHINERY Co.,Ltd. Registration number: Y2022980010523 |
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Date of cancellation: 20230920 Granted publication date: 20190802 Pledgee: Industrial and Commercial Bank of China Limited Guangde sub branch Pledgor: ANHUI YONGCHENG MACHINERY Co.,Ltd. Registration number: Y2022980010523 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Welding process method for high-precision large frame Effective date of registration: 20231101 Granted publication date: 20190802 Pledgee: Industrial and Commercial Bank of China Limited Guangde sub branch Pledgor: ANHUI YONGCHENG MACHINERY Co.,Ltd. Registration number: Y2023980063611 |