CN105583278A - Method for forming horn-mouth-shaped flanged hole in top cap of carrier rocket storage tank - Google Patents
Method for forming horn-mouth-shaped flanged hole in top cap of carrier rocket storage tank Download PDFInfo
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- CN105583278A CN105583278A CN201410571698.2A CN201410571698A CN105583278A CN 105583278 A CN105583278 A CN 105583278A CN 201410571698 A CN201410571698 A CN 201410571698A CN 105583278 A CN105583278 A CN 105583278A
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Abstract
The invention relates to a method for forming a horn-mouth-shaped flanged hole part on a top cap of a carrier rocket storage tank. The method is characterized by comprising the steps of (1) carrying out deep drawing forming on a part; (2) machining a pre-manufactured hole, specifically, drawing a circle at the center of the pretreated part, machining the pre-manufactured hole in the position of the circle, and obtaining a pre-manufactured hole part; (3) estimating a deformation region, comparing the shape of the horn-mouth-shaped flanged hole part to be obtained and the shape of the pre-manufactured hole part, dividing the region to be deformed into a plurality of sub-regions, and carrying out multiple stages of coil winding on a coil support according to the areas of the sub-regions; and (4) carrying out forming process, specifically, carrying out coil fixation stage by stage and magnetic impulse forming. The method has the beneficial effects that product development can be completed within a short period of time without a complex die, and accordingly the product development cost is reduced.
Description
Technical field
The present invention relates to carrier rocket manufacturing technology field, be specifically related at the bottom of carrier rocket tank case on loudspeakerMouth flanging bore part forming method.
Background technology
Carrier rocket tank comprises oxidant and fuel tank, all adopts aluminium alloy manufacture. On at the bottom of caseThere is a kind of flanging bore to be toroidal. General this flanging bore adopts large hydraulic press and large mold conventionallyProcessing.
But the processing method of this routine has following shortcoming:
(1) conventional method process complexity, the design cycle is long, the manufacturing cycle is long;
(2), there is the risk of reprocessing or scrapping in conventional method process complexity;
(3) rely on conventional method to process this part and cannot ensure the carrier rocket lead time;
Therefore, urgently at the bottom of a kind of new carrier rocket tank case on horn mouth flanging bore forming technology, with gramTake the defect of prior art.
Summary of the invention
The technical problem that will solve of the present invention is to provide one and uses simple mould to exist based on magnetic pulse technologyIn the very short time, complete the manufacturing process of horn mouth flanging bore part at the bottom of carrier rocket tank case.
In order to solve the problems of the technologies described above, technical scheme of the present invention is, at the bottom of a kind of carrier rocket tank caseUpper horn mouth flanging bore part forming method, specifically comprises the following steps:
Step 1, part drawing are shaped
Adopt large hydraulic press, by large-scale Drawing Die, original part carried out to drawing and form pretreatment part,Described pretreatment part is disk-like structure, and its outer surface is elliposoidal or spherical;
Step 2, processing pre-manufactured hole
Circle is drawn at the center of described pretreatment part, processes pre-manufactured hole in described round position, thereby obtainsPre-manufactured hole part;
Step 3, estimation deformed region
The horn mouth flanging bore part that contrast will be obtained and the shape of described pre-manufactured hole part, described in obtainingThe region that pre-manufactured hole part need to be out of shape, and the described region that needs distortion is divided into several regions, pointSafety pin carries out some grades of coil windings on coil brace to the area in these several regions;
Step 4, forming technology
From the first order, the coil brace that winds coil is positioned on backing plate, secondly by described pre-Drilling part is placed on coil brace, again mould is placed on part, finally uses screw bolt and nutMould, part and lower bolster are fixed together from top to bottom;
The two ends of described first order coil are connected with the output of magnetic field impulse equipment, after shaping, pineOpen bolt, nut, take apart a die, take out one-level formation of parts;
After this, rear one-level is on the basis of previous stage forming part, according to the technique mistake same with previous stageCheng Jinhang next stage forming technology; The formation of parts that afterbody obtains is for the horn mouth that will obtain turns overLateral opening part.
In described step 3, some grades of coil windings are three grades of coil windings, and described step 4 comprises followingStep:
4.1 first order are shaped
First the coil brace that winds first order coil is placed on backing plate, secondly part is placed onOn coil brace, again mould is placed on part, finally with screw bolt and nut by mould, part andLower bolster is fixed together from top to bottom;
The two ends of described first order coil are connected with the output of magnetic field impulse equipment, after shaping, pineOpen bolt, nut, take apart a die, take out one-level formation of parts;
4.2 second level are shaped
First the coil brace that winds second level coil is placed on backing plate, secondly the first order is shapedPart after treatment is placed on coil brace, again mould is placed on part, finally use bolt andNut is fixed together mould, part and lower bolster from top to bottom;
The two ends of described second level coil are connected with the output of magnetic field impulse equipment, after shaping, pineOpen bolt, nut, take apart a die, take out secondary formation of parts;
4.3 third level are shaped
First the coil brace that winds tertiary coil is placed on backing plate, secondly step 7 is quenchedAfter part be placed on coil brace, again mould is placed on part, finally use screw bolt and nutMould, part and lower bolster are fixed together from top to bottom;
The two ends of described tertiary coil are connected with the output of magnetic field impulse equipment, after shaping, pineOpen bolt, nut, take apart a die, take out the horn mouth flanging bore part that will obtain.
Described three grades of coil windings are that first order coil winding, second level coil winding, tertiary coil twineAround;
Described first order coil winding adopts copper bar or the cable of 10～30 squares, the number of turn 15～20 itBetween;
Described second level coil winding adopts copper bar or the cable of 10～30 squares, the number of turn 12～16 itBetween;
Described tertiary coil is wound around the copper bar or the cable that adopt 10～30 squares, the number of turn 8～12 it.
Beneficial effect of the present invention: without adopting complicated die, complete at short notice product development, fallLow production development cost.
Brief description of the drawings
Fig. 1 is the part schematic diagram before the shaping of horn mouth flanging bore on carrier rocket tank top cover of the present invention;
Fig. 2 is first order shaping in horn mouth flanging bore forming process on carrier rocket tank top cover of the present inventionDevice schematic diagram;
Fig. 3 is second level shaping in horn mouth flanging bore forming process on carrier rocket tank top cover of the present inventionDevice schematic diagram;
Fig. 4 be at the bottom of carrier rocket tank case of the present invention in horn mouth flanging bore forming process the third level be shapedDevice schematic diagram.
Detailed description of the invention
Below in conjunction with embodiment, the present invention is described further.
Horn mouth flanging bore part forming method at the bottom of a kind of carrier rocket tank of the present invention case, adopts magnetic arteries and veinsRushing the scope of horn mouth flanging bore at the bottom of technology shaping carrier rocket tank case isWall thickness2～10mm, material is aluminium alloy; Specifically comprise the following steps:
Step 1, part drawing are shaped
At the bottom of tank case, part as shown in Figure 1. Adopt large hydraulic press, by large-scale Drawing Die to original partCarry out drawing and form pretreatment part, described pretreatment part shape, according to layout design, is generally plate-likeStructure, and its outer surface is elliposoidal or spherical;
Step 2, processing pre-manufactured hole
According to drawing requirement, at described pretreatment Central of the parts place, taking diameter asDrawCircle, adopts the instruments such as electric drill, sweep-saw, file, emery cloth to process pre-manufactured hole in described round position;
Step 3, estimation deformed region
According to part shape, protruding hole dimension, estimate that every grade of described part need to carry out the region of deformation processing.
According to estimated deformed region, be divided into 3 steps, and just respectively for this trizonalAmass and on coil brace, carry out three grades of coil windings; Be specially first order coil winding, second level coil twinesBe wound around around, tertiary coil;
Described first order coil winding adopts copper bar or the cable of 10～30 squares, the number of turn 15～20 itBetween;
Described second level coil winding adopts copper bar or the cable of 10～30 squares, the number of turn 12～16 itBetween;
Described tertiary coil is wound around the copper bar or the cable that adopt 10～30 squares, the number of turn 8～12 it.Step 4, forming technology
4.1 first order are shaped
As shown in Figure 2, erection sequence be coil below, part is in centre, mould in the above; FirstThe coil brace that winds first order coil is placed on backing plate, secondly part is placed on to coil braceUpper, again mould is placed on part, finally with screw bolt and nut by mould, part and lower bolster fromUpper and under be fixed together;
The two ends of described first order coil are connected with the output of magnetic field impulse equipment, turn on the power switch,Set discharge energy, start automatic inflatable eletric button, after shaping, unclamp bolt, nut, unloadMould, takes out part;
4.2 second level are shaped
As shown in Figure 3, erection sequence be coil below, part is in centre, mould in the above; FirstThe coil brace that winds second level coil is placed on backing plate, secondly the first order is shaped after treatmentPart is placed on coil brace, again mould is placed on part, finally with screw bolt and nut by mouldTool, part and lower bolster are fixed together from top to bottom;
The two ends of described second level coil are connected with the output of magnetic field impulse equipment, turn on the power switch,Set discharge energy, start automatic inflatable eletric button, after shaping, unclamp bolt, nut, unloadMould, takes out part;
4.3 third level are shaped
As shown in Figure 4, erection sequence be coil below, part is in centre, mould in the above; FirstThe coil brace that winds tertiary coil is placed on backing plate to the part after secondly step 7 being quenchedBe placed on coil brace, again mould be placed on part, finally with screw bolt and nut by mould,Part and lower bolster are fixed together from top to bottom;
The two ends of described tertiary coil are connected with the output of magnetic field impulse equipment, turn on the power switch,Set discharge energy, start automatic inflatable eletric button, after shaping, unclamp bolt, nut, unloadMould, takes out part.
Claims (3)
1. at the bottom of carrier rocket tank case, a horn mouth flanging bore part forming method, is characterized in that: toolBody comprises the following steps:
Step 1, part drawing are shaped
Adopt large hydraulic press, by large-scale Drawing Die, original part is carried out to drawing and form pretreatment part, instituteStating pretreatment part is disk-like structure, and its outer surface is elliposoidal or spherical;
Step 2, processing pre-manufactured hole
Circle is drawn at the center of described pretreatment part, processes pre-manufactured hole in described round position, thereby obtains pre-Drilling part;
Step 3, estimation deformed region
The horn mouth flanging bore part that contrast will be obtained and the shape of described pre-manufactured hole part, obtain described pre-The region that drilling part need to be out of shape, and the described region that needs distortion is divided into several regions, point safety pinThe area in these several regions is carried out on coil brace to some grades of coil windings;
Step 4, forming technology
From the first order, the coil brace that winds coil is positioned on backing plate, secondly by described prefabricatedHole part is placed on coil brace, again mould is placed on part, finally with screw bolt and nut by mouldTool, part and lower bolster are fixed together from top to bottom;
The two ends of described first order coil are connected with the output of magnetic field impulse equipment, after shaping, unclampBolt, nut, take apart a die, and takes out one-level formation of parts;
After this, rear one-level is on the basis of previous stage forming part, according to the technical process same with previous stageCarry out next stage forming technology; The horn mouth flanging bore for obtaining of formation of parts that afterbody obtainsPart.
2. according to horn mouth flanging bore part forming side at the bottom of carrier rocket tank case claimed in claim 1Method, is characterized in that: in described step 3, some grades of coil windings are three grades of coil windings, described stepFour comprise the following steps:
4.1 first order are shaped
First the coil brace that winds first order coil is placed on backing plate, secondly part is placed onlineOn coil support, again mould is placed on part, finally with screw bolt and nut by mould, part and underlayPlate is fixed together from top to bottom;
The two ends of described first order coil are connected with the output of magnetic field impulse equipment, after shaping, unclampBolt, nut, take apart a die, and takes out one-level formation of parts;
4.2 second level are shaped
First the coil brace that winds second level coil is placed on backing plate, secondly by first order shaping placePart after reason is placed on coil brace, again mould is placed on part, finally uses screw bolt and nutMould, part and lower bolster are fixed together from top to bottom;
The two ends of described second level coil are connected with the output of magnetic field impulse equipment, after shaping, unclampBolt, nut, take apart a die, and takes out secondary formation of parts;
4.3 third level are shaped
First the coil brace that winds tertiary coil is placed on backing plate, after secondly step 7 being quenchedPart be placed on coil brace, again mould is placed on part, finally with screw bolt and nut by mouldTool, part and lower bolster are fixed together from top to bottom;
The two ends of described tertiary coil are connected with the output of magnetic field impulse equipment, after shaping, unclampBolt, nut, take apart a die, and takes out the horn mouth flanging bore part that will obtain.
3. according to horn mouth flanging bore part forming side at the bottom of carrier rocket tank case claimed in claim 2Method, is characterized in that: described three grades of coil windings are first order coil winding, second level coil winding,Three grades of coil windings;
Described first order coil winding adopts copper bar or the cable of 10～30 squares, and the number of turn is between 15～20;
Described second level coil winding adopts copper bar or the cable of 10～30 squares, and the number of turn is between 12～16;
Described tertiary coil is wound around the copper bar or the cable that adopt 10～30 squares, the number of turn 8～12 it.
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| CN201410571698.2A CN105583278B (en) | 2014-10-23 | 2014-10-23 | Horn mouth flanging bore manufacturing process on carrier rocket tank top cover |
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| CN201410571698.2A CN105583278B (en) | 2014-10-23 | 2014-10-23 | Horn mouth flanging bore manufacturing process on carrier rocket tank top cover |
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| CN105583278A true CN105583278A (en) | 2016-05-18 |
| CN105583278B CN105583278B (en) | 2018-02-13 |
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Cited By (9)
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| CN106270104A (en) * | 2016-09-07 | 2017-01-04 | 哈尔滨工业大学 | A kind of magnetic field impulse hole flanging formation method of housing component |
| CN106964684A (en) * | 2017-03-31 | 2017-07-21 | 华中科技大学 | A kind of complex multi-step local plastic electromagnetic forming method suitable for sheet material workpiece |
| CN107116128A (en) * | 2017-06-05 | 2017-09-01 | 三峡大学 | The plate electromagnetism hemmer and method of a kind of axial-radial electromagnetic force timesharing loading |
| CN107138589A (en) * | 2017-06-19 | 2017-09-08 | 中南大学 | A kind of sheet material hole flanging building mortion and manufacturing process |
| CN107138591A (en) * | 2017-06-19 | 2017-09-08 | 中南大学 | A kind of electromagnetic forming device and manufacturing process of cylindrical member fillet |
| CN107138588A (en) * | 2017-06-09 | 2017-09-08 | 华中科技大学 | A kind of band pre-manufactured hole tubing electromagnetism side flanging device and method |
| CN107952860A (en) * | 2017-11-03 | 2018-04-24 | 首都航天机械公司 | It is a kind of to prevent the fracture of magnetic field impulse projecting apertures fillet and thinned method |
| CN108405699A (en) * | 2018-04-02 | 2018-08-17 | 三峡大学 | A kind of the plate electromagnetism hemmer and method of vertical repulsive force-radial direction suction timesharing load |
| CN109590373A (en) * | 2018-11-16 | 2019-04-09 | 首都航天机械有限公司 | Carrier rocket tank sinker thin-wall stainless steel cone-shaped component integral forming method |
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Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106270104A (en) * | 2016-09-07 | 2017-01-04 | 哈尔滨工业大学 | A kind of magnetic field impulse hole flanging formation method of housing component |
| CN106270104B (en) * | 2016-09-07 | 2019-09-17 | 哈尔滨工业大学 | A kind of magnetic field impulse hole flanging formation method of housing component |
| CN106964684A (en) * | 2017-03-31 | 2017-07-21 | 华中科技大学 | A kind of complex multi-step local plastic electromagnetic forming method suitable for sheet material workpiece |
| CN106964684B (en) * | 2017-03-31 | 2019-05-31 | 华中科技大学 | A kind of complex multi-step local plastic electromagnetic forming method suitable for sheet material workpiece |
| CN107116128B (en) * | 2017-06-05 | 2019-09-24 | 三峡大学 | A kind of the plate electromagnetism hemmer and method of axial direction-radial electromagnetic force timesharing load |
| CN107116128A (en) * | 2017-06-05 | 2017-09-01 | 三峡大学 | The plate electromagnetism hemmer and method of a kind of axial-radial electromagnetic force timesharing loading |
| CN107138588A (en) * | 2017-06-09 | 2017-09-08 | 华中科技大学 | A kind of band pre-manufactured hole tubing electromagnetism side flanging device and method |
| CN107138588B (en) * | 2017-06-09 | 2018-08-21 | 华中科技大学 | A kind of band pre-manufactured hole tubing electromagnetism side flanging device and method |
| CN107138589A (en) * | 2017-06-19 | 2017-09-08 | 中南大学 | A kind of sheet material hole flanging building mortion and manufacturing process |
| CN107138591A (en) * | 2017-06-19 | 2017-09-08 | 中南大学 | A kind of electromagnetic forming device and manufacturing process of cylindrical member fillet |
| CN107138589B (en) * | 2017-06-19 | 2021-04-23 | 中南大学 | Plate hole flanging forming device and forming method |
| CN107138591B (en) * | 2017-06-19 | 2020-01-10 | 中南大学 | Electromagnetic forming device and method for cylindrical part fillet |
| CN107952860A (en) * | 2017-11-03 | 2018-04-24 | 首都航天机械公司 | It is a kind of to prevent the fracture of magnetic field impulse projecting apertures fillet and thinned method |
| CN108405699A (en) * | 2018-04-02 | 2018-08-17 | 三峡大学 | A kind of the plate electromagnetism hemmer and method of vertical repulsive force-radial direction suction timesharing load |
| CN109590373A (en) * | 2018-11-16 | 2019-04-09 | 首都航天机械有限公司 | Carrier rocket tank sinker thin-wall stainless steel cone-shaped component integral forming method |
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