CN202239244U - Annular special cambered surface section welding fixture - Google Patents
Annular special cambered surface section welding fixture Download PDFInfo
- Publication number
- CN202239244U CN202239244U CN2011203291570U CN201120329157U CN202239244U CN 202239244 U CN202239244 U CN 202239244U CN 2011203291570 U CN2011203291570 U CN 2011203291570U CN 201120329157 U CN201120329157 U CN 201120329157U CN 202239244 U CN202239244 U CN 202239244U
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- China
- Prior art keywords
- cambered surface
- fixture
- tire location
- gusset
- tire
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- 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.)
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Abstract
The utility model relates to the field of die forming, in particular to an annular special cambered surface section welding fixture, which comprises an upper fixture and a lower fixture, wherein the upper fixture and the lower fixture correspond to a 45-degree special cambered surface. The fixture is characterized in that: the upper fixture comprises an upper cover plate, an upper pressing cambered surface coaming and upper fixture positioning rib plates; more than four upper fixture positioning rib plates are uniformly arranged between the upper cover plate and the upper pressing cambered surface coaming along the radial direction of the special cambered surface; the lower fixture comprises a lower cover plate, a lower pressing cambered surface coaming and lower fixture positioning rib plates; and the lower fixture positioning rib plates are uniformly arranged between the lower cover plate and the lower pressing cambered surface coaming along the radial direction of the special cambered surface. Compared with the prior art, the utility model has the advantages that: the welding fixture saves a large number of materials and a great deal of finish machining cost compared with a cast fixture; and the fixture manufacturing precision is strictly controlled and a three-dimensional sample plate is adopted for checking, so that the forming precision of the special cambered surface is ensured, the special cambered surface is pressed at one time to be qualified in 100 percent, the alignment tolerance of a longitudinal beam assembly between sections is less than or equal to 2mm, and the machining allowance after welding is controlled to be +/-5mm.
Description
Technical field
The utility model relates to the mould molding field, relates in particular to a kind of ring-type abnormity cambered surface section welding positioner.
Background technology
Ring-type abnormity cambered surface section is applied in the multiple frame for movement; Wherein the water power outer gate barrel is the important component part of bulb through-flow turbine water distributor; See accompanying drawing 4; Similar frustum structure, body are the 55mm steel plate, are that bus centers on a certain central shaft and revolves the revolving body that three-sixth turn forms with the curve of the tangent formation of two incorgruous arcs.Mostly the moulding of this in the past special-shaped cambered surface section is to adopt casting numerical control finishing mold to divide 8 lobes hot-forming; Be welded after hot-forming; Consider that welding deformation and postwelding guarantee an amount of allowance and do not allow attenuate, very strict to the formed precision requirement of this type of special-shaped cambered surface section.The casting mold is big, and it is many to consume material and heavy, heavily about 40 tons of the every cover of mold after accurate machine adds, and the fine finishining of die mould face must be adopted three-dimension numerical controlled lathe in addition, and processing charges is high, and Production Time is long.
Summary of the invention
The purpose of the utility model provides a kind of ring-type abnormity cambered surface section welding positioner, makes the hot pressing mold with the method for welding, when satisfying outer gate barrel abnormity cambered surface section formed precision, reduces production costs, and enhances productivity.
For solving the problems of the technologies described above, the technical scheme of the utility model is:
A kind of ring-type abnormity cambered surface section welding positioner; Comprise tire and following tire; Corresponding 45 ° of special-shaped cambered surfaces, said go up tire comprise upper cover plate, end plate one, end plate two, on press the cambered surface coaming plate and go up tire location gusset, radially evenly be arranged on upper cover plate and go up between the pressure cambered surface coaming plate along special-shaped cambered surface more than four last tire location gussets; The adjacent tire location gusset ultimate range that goes up is not more than 200mm, and the two ends of last tire location gusset are respectively equipped with end plate one and end plate two; Said tire down comprises lower cover, end plate three, end plate four, presses down cambered surface coaming plate and following tire location gusset; Following tire location gusset radially evenly is arranged on lower cover and presses down between the cambered surface coaming plate along special-shaped cambered surface, and the two ends of following tire location gusset are respectively equipped with end plate three and end plate four.
The said tire location gusset of going up is no less than 48 ° with the angle that following tire location gusset distributes, and quantity is identical and the position is corresponding one by one.
The said tire location gusset of going up is located the steam vent that is respectively equipped with 2~3 diameter phi 60~90mm on the gusset with following tire.
The said tire location gusset of going up is 60~100mm with the narrowest place of gusset, following tire location width.
Compared with prior art, the beneficial effect of the utility model is: welding positioner has been practiced thrift lot of materials and fine finishining expense than casting mold, and through strict control internal model making precision; The inspection of employing three-dimensional template; Guaranteed the formed precision of special-shaped cambered surface well, 100% once presses shape qualified, makes longitudinal joint group between lobe and the lobe to unfitness of butt joint≤2mm; Postwelding allowance is controlled at ± 5mm within, satisfied drawing and correlation technique quality requirement well.
Description of drawings
Fig. 1 is the utility model example structure sketch map;
Fig. 2 is the A-A cutaway view among Fig. 1;
Fig. 3 is the utility model three-dimensional template structural representation;
Fig. 4 is a water power outer gate barrel abnormity cambered surface busbar cross-section sketch map.
Among the figure: 1-upper cover plate 2-end plate one 3-end plate two 4-upward press cambered surface coaming plate 5-to go up tire location gusset 6-lower cover 7-end plate three 8-end plates four 9-and press down tire location gusset 11-steam vent 12-boundary curve model 13-steel pipe 14-die mould motherboard under the cambered surface coaming plate 10-
The specific embodiment
Be described further below in conjunction with the specific embodiment of accompanying drawing the utility model:
See Fig. 1; It is a kind of ring-type abnormity of the utility model cambered surface section welding positioner example structure sketch map; Comprise tire and play tire, corresponding to 45 ° of special-shaped cambered surfaces, last tire comprise upper cover plate 1, end plate 1, end plate 23, on press cambered surface coaming plate 4 and on tire locate gusset 5; Radially evenly be arranged on upper cover plate 1 and go up and press between the cambered surface coaming plate 4 along special-shaped cambered surfaces more than 4 last tire location gussets 5, the two ends of last tire location gusset 5 are respectively equipped with end plate 1 and end plate 23; Following tire comprises lower cover 6, end plate 37, end plate 48, presses down cambered surface coaming plate 9 and following tire location gusset 10; The special-shaped cambered surface in gusset 10 edges, following tire location radially evenly is arranged on lower cover 6 and presses down between the cambered surface coaming plate 9, and the two ends of following tire location gusset 10 are respectively equipped with end plate 37 and end plate 48.
The preparation method of the special-shaped cambered surface section welding positioner of water power outer gate barrel comprises the steps:
1) going up tire location gusset calculates with following tire positioning bar board size:
Last tire location gusset 5 is confirmed based on required hot-forming outer gate barrel abnormity cambered surface segmental arc size with following tire location gusset 10; For guaranteeing the die mould precision; Last tire location gusset 5 stays 60~90mm surplus with the short transverse two ends of following tire location gusset 10, and 360 ° of circumference of outer gate barrel abnormity cambered surface section divide 8 lobes molded, 45 ° of every lobes; Last tire location gusset 5 guarantees greater than 48 ° with following tire location gusset 10 distributions; Adjacent tire location gusset 5 and the following tire location gusset 10 spacings≤200mm of going up, last tire location gusset 5 is confirmed as each 15 with the quantity of following tire location gusset 10, and last tire location gusset 5 is identical with following tire location gusset 10 quantity and the position is corresponding one by one;
Last tire location gusset 5 is narrow as far as possible with following tire location gusset 10 width, and promptly the mold height is as far as possible little, and last tire location gusset 5 is 60~100mm with following tire location gusset 10 the narrowest place width; Make mold that enough integral rigidities and stability arranged; Last tire location gusset 5 is located the steam vent 11 that is respectively equipped with 2~3 diameter phi 60~90mm on the gusset 10 with following tire, helps heat like this and in time evacuates, when avoiding the die mould time long; Assemble heat in the mold and cause the mold distortion; Influence the die mould precision, can die mould motherboard 14 be included in the mold during die mould, it is not enough to avoid motherboard to expose mold outside left die mould precision.
2) thickness of slab correcting process:
See Fig. 2; Last tire location gusset 5 and following tire location gusset 10 width are got its beeline between adjacent with it cover plate and pressure cambered surface coaming plate; Promptly play tire location gusset width to lean on the centerline side size to be as the criterion with thickness of slab; Last tire location gusset width with thickness of slab dorsad the centerline side size be as the criterion, like this group to process on tire location gusset 5 and upper cover plate 1, tire location gusset 10 and lower cover 6 contact jaws will form the natural groove of different angles down, to guarantee weldquality and mold precision;
3) welding:
Earlier angle and set of locations install on request with upper cover plate 1 and end plate 23; On upper cover plate 1 and end plate 23, make the mark of the exact position of tire location gusset 5 on each; And organize successively tire location gusset 5 on each to both sides by the centre; Organize then end plate 1, adopt from the centre welding sequence to carry out symmetrical welding, note the control welding deformation to both sides;
Angle and set of locations install on request with lower cover 6 and end plate 37; On lower cover 6 and end plate 37, make the mark of the exact position of each time tire location gusset 10; And organize successively each time tire location gusset 10 to both sides by the centre; Organize then end plate 48, adopt from the centre welding sequence to carry out symmetrical welding, note the control welding deformation to both sides;
4) on/press down the assembling of cambered surface coaming plate:
After the step 3) welding finishes; Getting two blocks of 15~20mm steel plates that conform to die mould motherboard 14 appearance and sizes is clipped in the middle die mould motherboard 14 fixing and welds solid; Putting into heating furnace heats; It is middle molded with following tire to put into tire after being heated to 1100~1150 ℃ together; Press cambered surface coaming plate 4 and last tire location gusset 5 in the inspection, press down after cambered surface coaming plate 9 fits closely with play tire location gusset 10, will go up respectively press cambered surface coaming plate 4 with last tire location gusset 5, press down cambered surface coaming plate 9 and locate gusset 10 firm welding with play tire, binding face employing plug welding is fixed;
5) make three-dimensional template, the control formed precision:
See Fig. 3, adopt the clean cut edge of the different directions sweep gauge 12 after the moulding of 5mm steel plate Numerical control cutting motherboard, and assembling is fixing on the die mould motherboard, is welded into three-dimensional template through steel pipe 13, be used for accuracy checking and clean material cutting benchmark behind the formal die mould.
Claims (4)
1. ring-type abnormity cambered surface section welding positioner; Comprise tire and following tire, corresponding 45 ° of special-shaped cambered surfaces is characterized in that; Said go up tire comprise upper cover plate, end plate one, end plate two, on press the cambered surface coaming plate and go up tire location gusset; Radially evenly be arranged on upper cover plate and go up and press between the cambered surface coaming plate along special-shaped cambered surface more than four last tire location gussets, the adjacent tire location gusset ultimate range that goes up is not more than 200mm, and the two ends of last tire location gusset are respectively equipped with end plate one and end plate two; Said tire down comprises lower cover, end plate three, end plate four, presses down cambered surface coaming plate and following tire location gusset; Following tire location gusset radially evenly is arranged on lower cover and presses down between the cambered surface coaming plate along special-shaped cambered surface, and the two ends of following tire location gusset are respectively equipped with end plate three and end plate four.
2. a kind of ring-type abnormity cambered surface section welding positioner according to claim 1 is characterized in that, the said tire location gusset of going up is no less than 48 ° with the angle that following tire location gusset distributes, and quantity is identical and the position is corresponding one by one.
3. a kind of ring-type abnormity cambered surface section welding positioner according to claim 1 and 2 is characterized in that the said tire location gusset of going up is located the steam vent that is respectively equipped with 2~3 diameter phi 60~90mm on the gusset with following tire.
4. a kind of ring-type abnormity cambered surface section welding positioner according to claim 3 is characterized in that, the said tire location gusset of going up is 60~100mm with the narrowest place of gusset, following tire location width.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2011203291570U CN202239244U (en) | 2011-09-03 | 2011-09-03 | Annular special cambered surface section welding fixture |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN2011203291570U CN202239244U (en) | 2011-09-03 | 2011-09-03 | Annular special cambered surface section welding fixture |
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CN202239244U true CN202239244U (en) | 2012-05-30 |
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CN2011203291570U Expired - Fee Related CN202239244U (en) | 2011-09-03 | 2011-09-03 | Annular special cambered surface section welding fixture |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102974687A (en) * | 2011-09-03 | 2013-03-20 | 鞍钢重型机械有限责任公司 | Annular special-shaped cambered surface section welded mold and manufacturing method thereof |
CN114769437A (en) * | 2022-06-21 | 2022-07-22 | 二十二冶集团装备制造有限公司 | Special-shaped shell single tile pressing mould and manufacturing method thereof |
-
2011
- 2011-09-03 CN CN2011203291570U patent/CN202239244U/en not_active Expired - Fee Related
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102974687A (en) * | 2011-09-03 | 2013-03-20 | 鞍钢重型机械有限责任公司 | Annular special-shaped cambered surface section welded mold and manufacturing method thereof |
CN102974687B (en) * | 2011-09-03 | 2016-03-02 | 鞍钢重型机械有限责任公司 | A kind of annular special cambered surface section welding fixture and preparation method thereof |
CN114769437A (en) * | 2022-06-21 | 2022-07-22 | 二十二冶集团装备制造有限公司 | Special-shaped shell single tile pressing mould and manufacturing method thereof |
CN114769437B (en) * | 2022-06-21 | 2022-09-09 | 二十二冶集团装备制造有限公司 | Special-shaped shell single tile pressing mould and manufacturing method thereof |
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Legal Events
Date | Code | Title | Description |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120530 Termination date: 20150903 |
|
EXPY | Termination of patent right or utility model |