CN106270398B - A kind of welding positioning method of turbine blade arbor holder - Google Patents
A kind of welding positioning method of turbine blade arbor holder Download PDFInfo
- Publication number
- CN106270398B CN106270398B CN201610759434.9A CN201610759434A CN106270398B CN 106270398 B CN106270398 B CN 106270398B CN 201610759434 A CN201610759434 A CN 201610759434A CN 106270398 B CN106270398 B CN 106270398B
- Authority
- CN
- China
- Prior art keywords
- pipe fitting
- sand core
- arbor
- conjunction
- conjunction pipe
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/10—Cores; Manufacture or installation of cores
- B22C9/108—Installation of cores
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/10—Cores; Manufacture or installation of cores
- B22C9/103—Multipart cores
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/22—Moulds for peculiarly-shaped castings
Abstract
The present invention relates to a kind of welding positioning methods of turbine blade arbor holder in casting technology field, prepare one block of steel plate before welding as jig, sand core is vertically arranged conjunction pipe fitting with steel plate, each upright projection position on the steel plate conjunction pipe fitting is marked on the steel plate in advance, and one is welded and fixed for vertical socket the convex block of conjunction pipe fitting, each sand core is respectively worked out the corresponding boss of conjunction pipe fitting and is identically numbered with each sand core；Then, each arbor holder is welded one by one, when welding first vertically fixes each conjunction pipe fitting of the sand core on platform, then by welding other of arbor holder on the basis of conjunction pipe fitting；After core welds, the relative position of each component of arbor holder is corrected, and ensures conjunction pipe fitting is vertical with steel plate, the then fixed position of sealing-off arbor holder and steel plate.This welding positioning method, can demonstrate,prove that protect each corresponding sand core coaxially opposite component, reduce reclamation work amount.
Description
Technical field
The present invention relates to the technical field of manufacturing process of casting sand core, more particularly to a kind of turbine blade arbor holder
Welding positioning method.
Background technology
Large-scale mixed turbine blade is the sculptured surface structure of complexity, as shown in Figure 1, being divided into facade 1, facade
22, outlet edge 3 and into waterside 4, by taking certain turbine blade as an example, the projection size specification along facade direction is 5251mm
The angularity of × 3970mm, facade are 1700mm.In the prior art, the common sculpting method of this kind of casting is cored-up mould, i.e.,
Make core box, quicksand moulding, sand core docking combination, quicksand moulding, cast.Also, using the moulding that lies low, the side uprightly poured into a mould
Formula.Two pieces of sand cores dock vertically when due to cast, cannot rely on sand core its own gravity and compress die joint, there are molten steel from die joint
The risk of spilling, thus need to shift to an earlier date welded in the corresponding sand core rod of sand core two it is corresponding conjunction pipe fitting, it is logical with one
Long bolt is passed through from pipe fitting center, by two pieces of corresponding sand cores conjunction, the intensity of cavity when enhancing casting pouring.
Above-mentioned turbine blade casting vertical height is close to 6000mm, as shown in Fig. 2, sand core at least needs in design when being arranged
In lower 3 pairs conjunction sand core, each pair of sand core height about 2000mm, after each pair of sand core docking size be 5000mm × 2500mm ×
2500mm needs to be arranged in the corresponding arbor of each pair of sand core several to being coaxial docking that seaming element is strong to increase sand core docking
It spends, is run through component to tense two corresponding sand cores with screw rod before core assembly pouring.When cored-up mould since bottom sand core
It screw rod is crossed in conjunction square steel, is fastened with gasket and nut, surrounding places sandbox, and the support tops such as sand core and sandbox side chill are arranged
It applies, prevents from pouring into a mould the case that rises, quicksand repeats above step and places upper two layers of sand core, and moulding is completed.
In actual production, Shortcomings in this process program, this core assembling technology requires to weld in advance when welding arbor
It is good each conjunction square steel, and when quicksand docks component is docked after dimensional discrepancy can be sent out no more than certain range, otherwise docking
Raw dislocation, causes screw rod that can not penetrate through.And repair amount of doing over again is big, need to manually smash the sand conjunction pipe fitting position to pieces, cutting
Fall and deviate arbor, welds again, conjunction.This workload repaired increases, and is delayed the production cycle, and strong position is closed after repairing
Degree reduces, and when cast rises case increased risk.
Invention content
The problem of component is easy dislocation by arbor when the present invention is for turbine blade cored-up mould in the prior art, provides
A kind of welding positioning method of turbine blade arbor holder, in order to since the arbor holder production phase by sand core component
Opposite arbor holder is accurately positioned, and component is misplaced when preventing group core conjunction.
The object of the present invention is achieved like this, a kind of welding positioning method of turbine blade arbor holder, the water
For the casting of turbine blade by the way of uprightly pouring into a mould, preceding sand core and rear sand is respectively set along facade both sides in the sand mold of the casting
Core, if the preceding sand core and rear sand core are along the short transverse layering setting dried layer uprightly poured into a mould, the preceding sand core and rear sand of identical layer
Several arbors through corresponding sand core are respectively set between core conjunction pipe fitting, the arbor of same layer coaxially corresponds to conjunction pipe fitting and passes through
The arbor of conjunction tie-rod, each sand core is welded positioning by the following method：
Each sand core of casting is distinguished serial number by the first step；
Second step prepares one block of steel plate and makes the platform welded with arbor for sand core type, described conjunction when arbor welds
Pipe fitting is vertically arranged with steel plate, each conjunction pipe according to conjunction pipe fitting along the lateral distributing position of sand core, is marked on the steel plate in advance
The upright projection position of part, and it is welded and fixed the convex block for vertically socket conjunction pipe fitting that thickness is 15-20mm, it is described convex
The appearance and size of block and the internal chamber wall matching size conjunction pipe fitting, each sand core is respectively worked out the corresponding boss of conjunction pipe fitting
It is identically numbered with the sand core of step 1；
Third walks, and by sand core number order, welds the arbor holder of each sand core one by one, when welding each arbor holder, first
Be welded and fixed it is corresponding with the number sand core each conjunction pipe fitting, and ensure conjunction pipe fitting is vertical with plate platform, then with close
Other pipe fittings of arbor holder are welded on the basis of pipe fitting；
4th step, arbor holder welding terminates, correct each component of arbor holder relative position, and ensure conjunction pipe fitting with
Steel plate is in plumbness, then each welding position for conjunction pipe fitting being corresponded to on steel plate convex block of sealing-off, to dismantle the core welded
Bone holder.
5th step repeats step 3 and step 4, directly welds the arbor holder of each number sand core and completes.
The arbor holder welding positioning method of the present invention, using sand core side as positioning reference plane, and it is good using flatness
Reference platform of the steel plate as welding welds the stage in arbor bracket assembled, for fixed direction and position component, marks in advance
Know the projected position component in reference plane, is arranged on the projected position component and is used for the fixed boss component, with
Ensure the positional precision in component welding process.In addition, in the present invention, pass through the conjunction of each sand core of number-mark on platform
The position of part, the welding for completing all sand core rods in a casting with identical platform with realization position.
It is not needed in same plane to adapt to sand core side elevation, in the step 3, when outside the corresponding sand core of arbor holder
When side is non-same plane, described one end the opposite sand core lateral surface of conjunction pipe fitting, which is fixedly connected with secondary segment, to be made conjunction pipe fitting
Outer end face is in the same plane, and when welding conjunction pipe fitting, this pipe fitting is corresponding with surface of steel plate convex by secondary segment end
Platform is welded and fixed；After dismantling the arbor holder welded in the step 4, cut off accordingly the secondary segment of conjunction pipe fitting.
As a preference of the present invention, the steel plate thickness in the step 2 is more than 5mm, flatness is less than 2mm.
As a preference of the present invention, it is described conjunction pipe fitting be square steel tube or round steel pipe.
Description of the drawings
Fig. 1 is the structural schematic diagram of turbine blade.
Fig. 2 is the sand core group core schematic diagram of turbine blade.
Fig. 3 is plate platform schematic diagram.
Fig. 4 is the schematic diagram fixed in plate platform conjunction pipe fitting.
Fig. 5 is in plate platform to be with reference to the schematic diagram for continuing welding arbor holder conjunction pipe fitting.
Fig. 6 is the schematic diagram of the arbor holder of postwelding.
Specific implementation mode
The welding positioning method of 2-Fig. 6 turbine blade arbor holders that the present invention will be described in detail below in conjunction with the accompanying drawings, such as
Shown in Fig. 2, for the casting of turbine blade by the way of uprightly pouring into a mould, preceding sand is respectively set along facade both sides in the sand mold of the casting
Core and rear sand core, preceding sand core and rear sand core are set as upper layer sand core 5,6 and of middle level core sand along the short transverse layering uprightly poured into a mould
Lower layer's sand core 7, is respectively set several arbors through corresponding sand core conjunction pipe fitting 10 between the preceding sand core and rear sand core of identical layer,
The arbor of same layer coaxially corresponds to conjunction pipe fitting 10 and is determined by the way that the arbor of conjunction tie-rod, each sand core is welded by the following method
Position：
Each sand core of casting is distinguished serial number by the first step；
Second step prepares one block of steel plate 8 and makes the platform welded with arbor for sand core type, to ensure the smooth of platform
Degree, the steel plate thickness generally choose the carbon steel sheet more than 5mm, and the flatness of steel plate is less than 2mm；When arbor welds, it will be managed closing
Part 10 is vertically arranged with steel plate 8, and for convenience of drawing materials, square steel tube or round steel pipe may be used in conjunction pipe fitting；According to conjunction pipe fitting 10
The distributing position lateral along sand core marks each upright projection position conjunction pipe fitting 10 on steel plate 8, and is welded and fixed thickness in advance
Degree is 15-20mm for being vertically socketed the convex block 9 conjunction pipe fitting, the appearance and size of the convex block 9 and the inner cavity conjunction pipe fitting 10
Wall matching size bumping square or round bump respectively work out 10 corresponding boss 9 of conjunction pipe fitting each sand core and step
One sand core is identically numbered；
Third walks, and by sand core number order, welds the arbor holder of each sand core one by one, when welding each arbor holder, first
Be welded and fixed it is corresponding with the number sand core each conjunction pipe fitting 10, as shown in figure 4, and ensure conjunction pipe fitting 10 is vertical with steel plate 8,
Then with other pipe fittings that conjunction pipe fitting 10 is reference data welding arbor holder 11；To adapt to sand core side elevation（Refer to opposite pour
The outer side elevation of sand core when note state）The length of conjunction pipe fitting 10 cannot directly be extended not in same plane and be fixed on plate platform
On, one end conjunction pipe fitting 10 with respect to sand core lateral surface is fixedly connected with secondary segment 10A, and secondary segment 10A makes each conjunction pipe fitting
Outer end face is in the same plane to facilitate the positioning welding in plate platform in welding, should when welding conjunction pipe fitting 10
Pipe fitting is welded and fixed by secondary segment end boss corresponding with surface of steel plate；The arbor branch welded is dismantled in the step 4
After frame, cut off accordingly the secondary segment of conjunction pipe fitting；
4th step, the welding of arbor holder 11 terminate, the relative position of 11 each component of correction arbor holder, and conjunction is ensured to manage
Part 10 is in plumbness with steel plate 8, and then each welding position for conjunction pipe fitting being corresponded to on steel plate convex block of sealing-off, is snapped with unloading
Good arbor holder, then the secondary segment 10A conjunction pipe fitting is cut off, complete the welding of the arbor holder 11 of a sand core；
5th step repeats step 3 and step 4, directly welds the arbor holder of each number sand core and completes.
The arbor holder welding positioning method of the present invention, using sand core side as positioning reference plane, and it is good using flatness
Steel plate is direction and position of the fixation component, in advance in the 11 assembly welding stage of arbor holder as the reference platform welded
The projected position component in reference plane is identified, is arranged on the projected position component for the fixed boss component,
To ensure the positional precision in component welding process.In addition, in the present invention, pass through the handle of each sand core of number-mark on platform
The position of component, the welding for completing all sand core rods in a casting with identical platform with realization position.
Claims (3)
1. a kind of welding positioning method of turbine blade arbor holder, the casting of the turbine blade is using uprightly pouring into a mould
Preceding sand core and rear sand core is respectively set along facade both sides in the sand mold of mode, the casting, and the preceding sand core and rear sand core are along upright
If the short transverse layering setting dried layer of cast, is respectively set several through corresponding sand between the preceding sand core and rear sand core of identical layer
The arbor of core coaxially corresponds to conjunction pipe fitting and conjunction pipe fitting, the arbor of same layer by conjunction tie-rod, which is characterized in that each sand
The arbor of core welds positioning by the following method：
Each sand core of casting is distinguished serial number by the first step；
Second step prepares platform of one block of steel plate for sand core moulding and arbor welding, described conjunction pipe fitting when arbor welds
It is vertically arranged with steel plate, it is each conjunction pipe fitting according to conjunction pipe fitting along the lateral distributing position of sand core, is marked on the steel plate in advance
Upright projection position, and it is welded and fixed the convex block for vertically socket conjunction pipe fitting that thickness is 15-20mm, the convex block
Each sand core is respectively worked out the corresponding boss of conjunction pipe fitting and is walked by appearance and size and the internal chamber wall matching size conjunction pipe fitting
Rapid one sand core is identically numbered；
Third walks, and by sand core number order, the arbor holder for welding each sand core one by one first welds when welding each arbor holder
Fixation it is corresponding with the number sand core each conjunction pipe fitting, and ensure conjunction pipe fitting is vertical with plate platform, then with conjunction pipe fitting
On the basis of weld arbor holder other pipe fittings；When the corresponding sand core lateral surface of arbor holder is non-same plane, described
Conjunction pipe fitting is fixedly connected with secondary segment with respect to one end of sand core lateral surface makes conjunction pipe fitting outer end face is in the same plane, welding
When conjunction pipe fitting, this conjunction pipe fitting is welded and fixed by secondary segment end boss corresponding with surface of steel plate；
4th step, the welding of arbor holder terminate, and correct the relative position of each component of arbor holder, and ensure conjunction pipe fitting and steel plate
In plumbness, then each welding position for conjunction pipe fitting being corresponded to on steel plate convex block of sealing-off, to dismantle the arbor branch welded
Frame, then cut off the secondary segment conjunction pipe fitting；
5th step repeats step 3 and step 4, is completed until the arbor holder of each number sand core is welded.
2. the welding positioning method of turbine blade arbor holder according to claim 1, which is characterized in that the step
Steel plate thickness in two is more than 5mm, and flatness is less than 2mm.
3. the welding positioning method of turbine blade arbor holder according to claim 1, which is characterized in that described conjunction
Pipe fitting is square steel tube or round steel pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610759434.9A CN106270398B (en) | 2016-08-30 | 2016-08-30 | A kind of welding positioning method of turbine blade arbor holder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610759434.9A CN106270398B (en) | 2016-08-30 | 2016-08-30 | A kind of welding positioning method of turbine blade arbor holder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106270398A CN106270398A (en) | 2017-01-04 |
| CN106270398B true CN106270398B (en) | 2018-11-06 |
Family
ID=57674908
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610759434.9A Active CN106270398B (en) | 2016-08-30 | 2016-08-30 | A kind of welding positioning method of turbine blade arbor holder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106270398B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107745080B (en) * | 2017-10-09 | 2019-03-05 | 铜陵安东铸钢有限责任公司 | A kind of laying method of running gate system |
| CN110142379A (en) * | 2019-04-18 | 2019-08-20 | 共享铸钢有限公司 | A kind of profile-followed arbor structure of the high intensity of blade of large-sized water turbine sand core |
| CN111922282A (en) * | 2020-07-31 | 2020-11-13 | 共享智能装备有限公司 | 3D printing combined sand mold |
| CN114603285B (en) * | 2022-04-24 | 2023-06-20 | 佛山市诺腾精密科技有限公司 | Automatic production equipment for automobile hydraulic torque converter and coupler parts |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE1011185A5 (en) * | 1997-05-29 | 1999-06-01 | Rebuild World Rbw Sa | Building frame. |
| DE29805771U1 (en) * | 1998-03-30 | 1998-05-28 | Karl Schmidt Fabrik Fuer Giese | Core clip with bracket |
| CN101716655B (en) * | 2009-12-16 | 2011-04-06 | 宁夏共享铸钢有限公司 | Casting method of large water turbine blade |
| CN104550757B (en) * | 2014-12-30 | 2017-03-15 | 宁夏共享装备有限公司 | A kind of chill arbor combination unit of electromotor cylinder casting core and manufacture method |
| CN104525868B (en) * | 2014-12-30 | 2016-11-23 | 宁夏共享装备有限公司 | A kind of moulding frock of outstanding mill formula Ore crushing part and preparation method thereof |
| CN104815965B (en) * | 2015-04-23 | 2016-08-24 | 辽宁福鞍重工股份有限公司 | A kind of annulus sand core rod bridge-type connects anti-deformation method and structure |
| CN205200482U (en) * | 2015-11-12 | 2016-05-04 | 本钢板材股份有限公司 | Cast tube bellmouth psammitolite arbor |
-
2016
- 2016-08-30 CN CN201610759434.9A patent/CN106270398B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN106270398A (en) | 2017-01-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106270398B (en) | A kind of welding positioning method of turbine blade arbor holder | |
| CN109989525B (en) | Y-shaped composite supporting structure and construction method thereof | |
| CN105538740B (en) | A kind of fixture for forming and method of composite box part | |
| KR101435353B1 (en) | Evaporative pattern for manufacturing a mold for press forming | |
| CN106285002A (en) | Cast-in-place walls difference of height tool-type hoisting die construction method | |
| CN109208799A (en) | The dedicated cast-in-place reserved plate hole internal model of early demoulding construction method in wafer board structure hole | |
| CN201024666Y (en) | Groove template for concrete casting for door window hole moulding | |
| CN104153386B (en) | Pile foundation support table periphery facade bed course tool-type punching block and construction method thereof | |
| CN206957201U (en) | Early form removal in clear-water concrete wafer board structure hole | |
| CN101905384B (en) | Welding and assembling method of compressor shell | |
| CN109629718A (en) | Vertical formwork production method | |
| CN106481065B (en) | Concrete cast-in-situ wall, dike composable mold and its concrete mold | |
| CN204023598U (en) | Pile foundation support table periphery facade bed course tool-type punching block | |
| CN211466817U (en) | Prefabricated superimposed sheet preparation mould | |
| CN103331413A (en) | Automatic mold stripping module of adjustment sheet | |
| CN202380734U (en) | Upright concave template structure | |
| CN218138860U (en) | Antifouling accuse high device of superimposed sheet truss muscle | |
| RU2769634C1 (en) | Device for making hollow concrete products, a method for making hollow concrete products and a hollow concrete structure | |
| CN203401110U (en) | Drilling mould | |
| CN213288579U (en) | Combined casting die | |
| CN209353676U (en) | A kind of readily removable left-hand thread device removed of armored concrete bed die | |
| CN208072771U (en) | Baogang's beams of concrete construction tool | |
| JP2011093287A (en) | Molding die for resin casting and method for manufacturing the same | |
| CN206971256U (en) | It is a kind of to pour the cushion cap rim of a cup punching block for smashing armored concrete | |
| CN107780660A (en) | Template construction method at a kind of piping lane top plate chamfering |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |