CN106624701B - A kind of blade of large-sized water turbine group core tooling and its core assembly method - Google Patents
A kind of blade of large-sized water turbine group core tooling and its core assembly method Download PDFInfo
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- CN106624701B CN106624701B CN201611080153.7A CN201611080153A CN106624701B CN 106624701 B CN106624701 B CN 106624701B CN 201611080153 A CN201611080153 A CN 201611080153A CN 106624701 B CN106624701 B CN 106624701B
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- support platform
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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
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
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- Molds, Cores, And Manufacturing Methods Thereof (AREA)
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Abstract
The present invention relates to a kind of blade of large-sized water turbine group core tooling and its core assembly method,Wherein,Blade of large-sized water turbine group core tooling,Including support baseboard,One end of support baseboard length direction is equipped with fixed support platform,The other end is equipped with hydraulic pressure fixing end,It is equipped with two or more parallel supporting guide between fixed support platform and hydraulic pressure fixing end,Cooperation is equipped with the level mobile support platform of supporting surface with fixed support platform on supporting guide,Movement support platform bottom side direction corresponding with each supporting guide is equipped with two or more directive wheels with supporting guide cooperation,Mobile support platform corresponds to hydraulic cylinder of the side equipped with two synchronization actions of hydraulic pressure fixing end,The piston rod external part of hydraulic cylinder is connect with the corresponding end of mobile support platform,The cylinder bottom of hydraulic cylinder is connect with hydraulic pressure fixing end,Support baseboard length direction it is lateral be equipped with convenient for when sand core installation against positioning substrate,The height for positioning substrate is higher than the supporting surface height of fixed support platform.
Description
Technical field
The present invention relates to the sand core manufacturing technology field of large-scale steel-casting, more particularly to a kind of blade of large-sized water turbine group core
Use tooling.
Background technology
As shown in Figure 1, traditional casting and molding method is all to make casting mold by entity apperance, but due to the hydraulic turbine
Blade roughcast has the characteristics that deep camber, common formative method are cored-up mould, and entity apperance is not made in this modeling process,
Core box only being made, by conjunction will be formed casting mold using screw rod after sand core head-on collision combination, not only having ensured the molded line size of blade, but also drop
Low moulding difficulty.
Traditional group core process, mainly by 2 handling of overhead traveling crane, operating personnel command overhead traveling crane by the mobile sand core 1 of side
The slowly fixation sand core 3 of the close other side, with screw rod conjunction after the completion of docking.This group of core process there are the drawbacks of, it is main to show
A large amount of overhead traveling crane resources are occupied for a group core operation, causes remaining crane operation to suspend, influences manufacturing schedule；Overhead traveling crane handling group core operates
Difficulty is not easy to accurately control sand core position, is easy to cause a group core process sand core and collides during handling, and it is existing damage occur
As.When simultaneously using overhead traveling crane handling group core, difficulty is adjusted for small-scale precision in operating process, it is small that there are merging precisions
Deficiency, group core efficiency are also low.
Invention content
The shortcomings that present invention is for blade of large-sized water turbine core assembly method in the prior art, provides a kind of large-scale water turbine leaf
Piece group core tooling is reduced operation difficulty and is effectively avoided sand core damaged in collision in an assembling process with raising group sand efficiency.
The object of the present invention is achieved like this, a kind of blade of large-sized water turbine group core tooling, including horizontally disposed
One end of support baseboard, the support baseboard length direction is equipped with fixed support platform, and the other end is equipped with hydraulic pressure fixing end, described
It is equipped with two or more parallel supporting guide between fixed support platform and hydraulic pressure fixing end, matches on the supporting guide
Close the level mobile support platform of supporting surface being equipped with fixed support platform, the mobile support platform bottom side and each support
The corresponding direction of guide rail is equipped with two or more directive wheels with supporting guide cooperation, and the mobile support platform corresponds to
The side of hydraulic pressure fixing end is equipped with the hydraulic cylinder of two synchronization actions, and the piston rod external part of the hydraulic cylinder and mobile support are flat
The corresponding end of platform connects, and the cylinder bottom of the hydraulic cylinder is connect with hydraulic pressure fixing end, and the lateral of the support baseboard length direction sets
Have convenient for when sand core installation against positioning substrate, the supporting surface that the height of the positioning substrate is higher than fixed support platform is high
Degree.
Fixed support platform and mobile support platform is arranged in the group core tooling of the present invention, and when organizing core, fixed support platform is used
In placing fixed sand core, mobile support platform is used for holding movable sand core, and moves support platform by Driven by Hydraulic Cylinder, realizes
Mobile sand core is docked with fixed sand core, can not only be improved docking efficiency, be shortened the usage time of suspender, and sand core combination is improved
To the precision of dress, and large-scale sand core docking impact damage sand core can be prevented.
Further, the fixed support platform includes grid-like made of several horizontal and vertical parallel shaped steel welding
Holder, the upper surface of the grid-like holder form support surface, and the bottom of the grid-like holder is by several with high branch
Dagger is fixed with support baseboard, and the outside of the fixed support platform is equipped with the positioning column convenient for mounting.
Further, the mobile support platform includes supporting steel plate, and the supporting steel plate bottom is corresponding with supporting guide
Position be fixed with square steel, the directive wheel is connected with square steel installation.
The minimum distance of support platform, the lattice of the fixed support platform are relatively fixed for ease of the mobile support platform of control
The side that palisade holder corresponds to mobile support platform sets that there are four external part, the stretchings along the direction parallel with supporting guide
End is the elongated end of the corresponding grid rod piece of grid-like holder outward, wherein the extension elongation of outermost two external part is big
In the length of two intermediate external parts, size and two length of the mobile support platform along the width direction vertical with supporting guide
The home record size of external part is identical, and mobile support platform is slidably to the inside between two long external parts, the mobile branch
The two short end external part positions for supportting the fixed support platform of platform correspondence coordinate the socket slot being equipped with convenient for the insertion of short external part, described
Socket slot is used to limit the extreme position that mobile support platform is moved to fixed support platform.
It is to be assembled the present invention also provides a kind of core assembly method for putting into row blade of large-sized water turbine using above-mentioned group of core recruitment
Blade of large-sized water turbine the fixed sand core of sand core point and mobile sand core, form water after the fixed sand core and mobile sand core docking
The cavity of turbine blade, the core assembly method include following processes：The first step by tooling horizontal on group core platform, and makes work
The mobile support platform of dress, which is in, to be supported according to the size of sand core to be assembled fixed with fixed support platform apart from maximum
Graticule of the scribing line calibration for putting fixed sand core position on platform, the graticule are flat in fixed support for root edge on the outside of sand core
The reference of placement position on platform, the positioning substrate positioning datum lateral as fixed sand core and mobile sand core；Second step, will
In fixed sand core handling to fixed support platform, and by the graticule of first step calibration, make fixed sand core bottom side outer rim and graticule pair
Together, it is corresponding laterally abut positioning substrate it is lateral；Third walks, will be in mobile sand core handling to mobile support platform, and makes pair
That answers laterally abuts in the lateral of positioning substrate；4th step opens Driven by Hydraulic Cylinder movement support platform and drives mobile sand core flat
It is quietly close to fixed sand core direction, until the socket slot of mobile support platform and the short external part of fixed support platform are inserted completely
It is connected to bottom, sand core is moved at this time and fixed sand core just docks in place；5th step, by corresponding reserved screw hole position between two sand cores
It sets to run through and sockets screw rod, and be locked by nut and gasket, complete the assembling of turbine blade sand core.
It is reserved with hangers on the outside of the fixed sand core, is set between the positioning column on the outside of the hangers and fixed support platform
There is length-adjustable screw arbor assembly, for preventing fixed sand core from toppling over after screw arbor assembly tenses.
Description of the drawings
Fig. 1 is the core assembly method schematic diagram of this blade of large-sized water turbine in the prior art.
Fig. 2 is the structural schematic diagram of the blade of large-sized water turbine group core tooling of the present invention.
Fig. 3 is the core assembly method schematic diagram of the present invention.
Fig. 4 is the schematic diagram of group core completion status.
Wherein, 1 sand core is fixed；2 overhead traveling cranes；3 move branch sand core；4 support baseboards；5 hydraulic pressure fixing ends；6 supporting guides；7 movements
Support platform；7A socket slots；8 fix support platform；8A long external parts；The short external parts of 8B；8C support columns；9 positioning datums；10 lead
To wheel；11 hydraulic cylinders；12 positioning columns；13 screw arbor assemblies.
Specific implementation mode
Embodiment 1
As shown in Fig. 2, for the blade of large-sized water turbine group core tooling of the present invention, including horizontally disposed support baseboard 4,
One end of 3 length direction of support baseboard is equipped with fixed support platform 8, and the other end is equipped with hydraulic pressure fixing end 5, fixed support platform 8
Two or more parallel supporting guide 6 is equipped between hydraulic pressure fixing end 5, on supporting guide 6 cooperation be equipped with and fixation
The level mobile support platform 7 of supporting surface of support platform 8,7 bottom side of mobile support platform side corresponding with each supporting guide 6
To equipped with two or more directive wheels 10 coordinated with supporting guide 6, mobile support platform corresponds to hydraulic pressure fixing end 5
Side is equipped with the hydraulic cylinder 11 of two synchronization actions, the corresponding end of the piston rod external part of hydraulic cylinder 11 and mobile support platform 7
Connection, the cylinder bottom of hydraulic cylinder 11 are connect with hydraulic pressure fixing end 5, and lateral be equipped with of 4 length direction of support baseboard is installed convenient for sand core
When against positioning substrate 9, the height of positioning substrate 9 is higher than the supporting surface height of fixed support platform 8, equally also above moving branch
Support the height in platform face.
The fixation support platform 8 of the present invention includes grid-like branch made of several horizontal and vertical parallel shaped steel welding
The isostructural shaped steel of the square steel for meeting support strength requirement, channel steel may be used as grid rod piece in frame；The grid-like holder
Upper surface forms support surface, and the bottom of grid-like holder is fixed by several with high support column 8C and support baseboard 4, fixed
The outside of support platform 8 is equipped with the positioning column 12 convenient for mounting.The positioning column 12 is used to mount next from fixed sand core joint face
Bolt assembly, for preventing fixed sand core from toppling over.
The mobile support platform of the present invention includes supporting steel plate, which is made of a steel plate, supporting steel plate
Bottom position corresponding with supporting guide 6 is fixed with the square steel of support, and directive wheel is connected with square steel installation.
The minimum distance of support platform 8, the lattice of fixed support platform 8 are relatively fixed for ease of control movement support platform 7
The side that palisade holder corresponds to mobile support platform 7 sets that there are four external part, external parts along the direction parallel with supporting guide 6
For the elongated end of the corresponding grid rod piece of grid-like holder outward, wherein the extension elongation of outermost two external part is more than
The length of two intermediate external parts, mobile support platform 7 are stretched out along the size of the width direction vertical with supporting guide 6 with two length
Hold the home record size of 8A identical, and mobile support platform 7, slidably to the inside between two long external part 8A, mobile support is flat
Two positions the short end external part 8B cooperation that platform 7 corresponds to fixed support platform is equipped with the socket slot 7A being inserted into convenient for short external part 8B,
Socket slot 7A is used to limit the extreme position that mobile support platform 7 is moved to fixed support platform 8, to prevent mobile sand core with
The distance between fixed sand core is excessively close and sand core joint unit of wounding.
Fixed support platform 8 and mobile support platform 7 is arranged in the group core tooling of the present invention, when organizing core, fixed support platform
8 for placing fixed sand core, and mobile support platform 7 is used for holding movable sand core, and drives mobile support flat by hydraulic cylinder 11
Docking for platform 7, the mobile sand core of realization and fixed sand core, can not only improve docking efficiency, shorten the usage time of crown block sling,
Precision of the sand core combination to dress is improved, and large-scale sand core docking impact damage sand core can be prevented.
Embodiment 2
The present embodiment is as shown in Figure 3 and Figure 4, to carry out blade of large-sized water turbine using the group core tooling of above-described embodiment
Core assembly method, the fixed sand core 3 of sand core point of blade of large-sized water turbine to be assembled and mobile sand core 1, fixed sand core 3 and mobile sand
Core 1 forms the cavity of turbine blade after docking, core assembly method includes following processes：The first step puts down tooling horizontal in a group core
On platform, and the mobile support platform 7 of tooling is made to be in fixed support platform 8 apart from maximum, is received at this point, hydraulic cylinder 11 is in
Contracting state, according to the size of sand core to be assembled, scribing line calibration is for putting 3 position of fixed sand core in fixed support platform 7
Graticule, reference of the graticule for the placement position in fixed support platform 8 of root edge on the outside of sand core, positioning substrate 9 is as fixation
The positioning datum lateral with mobile sand core 1 of sand core 3；Second step, will be in fixed 3 handling of sand core to fixed support platform 8, and by the
The graticule of one step calibration makes fixed 3 bottom side outer rim of sand core be aligned with graticule, corresponding to laterally abut in the lateral of positioning substrate 9；
To prevent fixed sand core 3 from toppling over, the outside of fixed sand core 3 is reserved with hangers, the positioning column of hangers and 8 outside of fixed support platform
Length-adjustable screw arbor assembly 13 is equipped between 12, for preventing fixed sand core from toppling over after screw arbor assembly 13 tenses.Third walks,
It will move in 1 handling of sand core to mobile support platform 7, and make corresponding laterally abut in the lateral of positioning substrate 9；4th step,
Opening the mobile support platform 7 of the driving of hydraulic cylinder 11 drives mobile sand core 1 smoothly close to 3 direction of fixed sand core, until mobile
The socket slot 7A of support platform 7 and the short external part 8B of fixation support platform 8 are plugged into bottom completely, move sand core 1 at this time and consolidate
Determine sand core 3 just to dock in place；Corresponding reserved screwhole position between two sand cores is run through and sockets screw rod, and passed through by the 5th step
Nut and gasket are locked, and complete the assembling of turbine blade sand core.
Above-mentioned core assembly method using the present invention, by presetting positioning datum, group core precision improves, and primary core of organizing arrives
Position, group sand efficiency also improves therewith, and is substantially reduced operation difficulty.
Claims (4)
1. a kind of blade of large-sized water turbine group core tooling, including horizontally disposed support baseboard, the support baseboard length side
To one end be equipped with fixed support platform, the other end is equipped with hydraulic pressure fixing end, the fixed support platform and hydraulic pressure fixing end it
Between be equipped with two or more parallel supporting guide, on the supporting guide cooperation be equipped with and the support of fixed support platform
The level mobile support platform in face, mobile support platform bottom side direction corresponding with each supporting guide set there are two or two
A above directive wheel with supporting guide cooperation, the side that the mobile support platform corresponds to hydraulic pressure fixing end are equipped with two together
The hydraulic cylinder of step action, the piston rod external part of the hydraulic cylinder are connect with the corresponding end of mobile support platform, the hydraulic cylinder
Cylinder bottom connect with hydraulic pressure fixing end, the support baseboard length direction it is lateral be equipped with convenient for when sand core installation against positioning
The height of substrate, the positioning substrate is higher than the supporting surface height of fixed support platform；The fixed support platform includes several
Grid-like holder made of horizontal and vertical parallel shaped steel welding, the upper surface of the grid-like holder form support surface,
The bottom of the grid-like holder is fixed with high support column with support baseboard by several, the outside of the fixed support platform
Equipped with the positioning column convenient for mounting, which is characterized in that the grid-like holder of the fixed support platform corresponds to mobile support platform
Side set there are four external part along the direction parallel with supporting guide, the external part is the corresponding grid of grid-like holder
The elongated end of rod piece outward, wherein the extension elongation of outermost two external part is more than the length of two intermediate external parts, institute
The size that mobile support platform is stated along the width direction vertical with supporting guide is identical as the home record size of two long external parts, and
For mobile support platform slidably to the inside between two long external parts, the mobile support platform corresponds to the two of fixed support platform
The cooperation of short end external part position is equipped with the socket slot being inserted into convenient for short external part, and the socket slot is for limiting mobile support platform
The extreme position moved to fixed support platform.
2. blade of large-sized water turbine group core tooling according to claim 1, which is characterized in that the mobile support platform
Including supporting steel plate, supporting steel plate bottom position corresponding with supporting guide is fixed with square steel, the directive wheel and square steel
Installation connection.
3. a kind of core assembly method carrying out blade of large-sized water turbine using tooling as claimed in claim 1 or 2, large size to be assembled
Hydraulic turbine leaf is formed after the fixed sand core of the sand core of turbine blade point and mobile sand core, the fixed sand core and mobile sand core docking
The cavity of piece, which is characterized in that the core assembly method includes following processes：The first step, by tooling horizontal on group core platform, and
The mobile support platform of tooling is set to be in fixed support platform apart from maximum, according to the size of sand core to be assembled, in fixation
Graticule of the scribing line calibration for putting fixed sand core position in support platform, the graticule is for root edge on the outside of sand core in fixed branch
Support the reference of placement position on platform, the positioning substrate positioning datum lateral as fixed sand core and mobile sand core；Second
Fixed sand core handling to the graticule fixed in support platform, and demarcated by the first step is made fixed sand core bottom side outer rim and marked by step
Line be aligned, it is corresponding laterally abut positioning substrate it is lateral；Third walks, and will move in sand core handling to mobile support platform, and
Make corresponding laterally abut in the lateral of positioning substrate；4th step opens Driven by Hydraulic Cylinder movement support platform and drives mobile sand
Core is smoothly close to fixed sand core direction, until the socket slot of mobile support platform and the short external part of fixed support platform are complete
It is plugged into bottom entirely, sand core is moved at this time and fixed sand core just docks in place；5th step, by corresponding reserved spiral shell between two sand cores
Hole site, which is run through, sockets screw rod, and is locked by nut and gasket, completes the assembling of turbine blade sand core.
4. core assembly method according to claim 3, which is characterized in that be reserved with hangers on the outside of the fixed sand core, institute
It states hangers and fixes between the positioning column on the outside of support platform equipped with length-adjustable screw arbor assembly, used after screw arbor assembly tension
Topple in preventing fixed sand core.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201611080153.7A CN106624701B (en) | 2016-11-30 | 2016-11-30 | A kind of blade of large-sized water turbine group core tooling and its core assembly method |
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| CN201611080153.7A CN106624701B (en) | 2016-11-30 | 2016-11-30 | A kind of blade of large-sized water turbine group core tooling and its core assembly method |
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| CN106624701A CN106624701A (en) | 2017-05-10 |
| CN106624701B true CN106624701B (en) | 2018-09-18 |
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| CN107243608A (en) * | 2017-05-27 | 2017-10-13 | 共享装备股份有限公司 | Smallclothes core group core the core of the card device and casting mold and casting method |
| CN110371090A (en) * | 2019-06-26 | 2019-10-25 | 四川嘉泰莅坤智能科技有限公司 | A kind of vehicle pose adjustment platform |
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| US5744177A (en) * | 1996-06-11 | 1998-04-28 | Lin; Rong-Teng | Injection molding assembly |
| CN204843421U (en) * | 2015-06-25 | 2015-12-09 | 佛冈鑫统仕汽车散热器有限公司 | Radiator core assembly device |
| CN204748005U (en) * | 2015-07-16 | 2015-11-11 | 唐山开尔热交换设备制造有限公司 | Closing device is used in plate heat exchanger equipment |
| CN205380826U (en) * | 2015-12-25 | 2016-07-13 | 宁波斗士油压有限公司 | Injection machine back roof displacement device |
| CN205618443U (en) * | 2016-03-30 | 2016-10-05 | 沈阳三科泵阀工业有限公司 | Large -scale water pump vane core assembly frock |
| CN105773046B (en) * | 2016-05-25 | 2017-05-24 | 大运汽车股份有限公司 | Assembling fixture for frame assembly |
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