CN101149121A - Three-way pipe winding forming method - Google Patents
Three-way pipe winding forming method Download PDFInfo
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- CN101149121A CN101149121A CNA2007101445962A CN200710144596A CN101149121A CN 101149121 A CN101149121 A CN 101149121A CN A2007101445962 A CNA2007101445962 A CN A2007101445962A CN 200710144596 A CN200710144596 A CN 200710144596A CN 101149121 A CN101149121 A CN 101149121A
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Abstract
The three-way pipe winding formation process includes the following steps: 1. establishing one mold; 2. forming surface grid; 3. managing grid node data with SQLSever database; 4. compiling winding software based on areal winding theory; 5. judging stability through selecting grid node and determining winding locus profile, and entering to 6. if yes or backing to 4. if no; 6. post grid treatment; 7. simulation judging rationality, and entering to 8 in irrationality or to 9. in rationality; 8. judging whether to be locus problem, and backing to 4. if yes or backing to 6. if no; 9. creating winding codes; and 10. judging successful winding, and backing to 6. if no or ending if yes. The present invention can winding one complete three-way pipe.
Description
Technical field
The fiber that the present invention relates to a kind of three-way pipe structure twines the method for distribution moulding.
Background technique
Extensive use along with composite material, military, civilian industry is also increasing to the demand that various composite materials twine members, requirement to its technology content is also more and more higher, and some profiled pieces are as the Wrapping formed problem demanding prompt solution that becomes gradually of three-way pipe.Three-way pipe is a kind of of pipeline, its feature is that three-way pipe can solve problems such as the transition of pipeline, connection, three-way pipe twines member to be compared the metal threeway in a lot of fields its special advantages is all arranged, such as light weight, corrosion-resistant, pollution-free, life-span that the large-scale production cost is low, longer etc.Civilian aspect: generally be used for the conveying of liquid such as underground water, domestic garbage, oil, also can be used for the conveying of rock gas and some other gases.Military aspect: twine the characteristics that threeway also has light weight, it is used for the conveying of aerospace flight vehicle with liquid fuel or gaseous fuel so, for the quality that alleviates aircraft important meaning is arranged.For three-way pipe Wrapping formed with and the research that is covered with just begin recent years to carry out in China, the researcher who has has successfully realized the winding of primary branch in the three-way pipe winding process and the non-geodesic curve transition between them, but the transition portion of three-way pipe does not realize being covered with winding; Also have the researcher to the moulding of three-way pipe with twine machinery and done some researchs,, but but do not relate to for the winding path of three-way pipe for the winding core design of three-way pipe provides a thinking.Because three-way pipe is asymmetric abnormally-structured, utilize traditional winding method can't realize the winding of three-way pipe and be covered with.
Summary of the invention
Its transition portion the invention solves existing three-way pipe because can't be expressed with equation, traditional winding method that carries out the line style design by the core equation can't be realized Wrapping formed problem of being covered with of three-way pipe, and the winding, molding method of a kind of three-way pipe that proposes.
Step of the present invention is as follows:
Step 1: modeling: at first the parameter of the person in charge, a length of tube and the knuckle radius by the three-way pipe that will design is set up core;
Step 2: gridding: mandrel surface is carried out gridding;
Step 3: data management: come the three-way pipe surface node data that managerial grid formats by SQL Sever database;
Step 4: search and doff a little: twine theoretical editor according to dough sheet and twine software, choose by software make the fiber stable winding a series of grid nodes for doffing a little;
Step 5: stablize line style and judge: the winding path line style of a little coming design stability by doffing; Can design stable winding pattern, enter step 6; Can not design stable winding pattern, return step 4, search again and doff a little;
Step 6: grid is rearmounted to be handled: by winding pattern, choose the locus of point constraint equation that doffs, carry out the speed of wrap smoothing processing;
Step 7: judge the line style rationality: with the form simulation winding process of three-dimensional animation, the rationality of check winding pattern; Unreasonable, enter step 8; Rationally, enter step 9;
Step 8: judge whether it is trajectory problem: in that the situation that occurs wedge angle on tangible abnormity point or the track is arranged on the fiber winding path, be trajectory problem, return step 4; Not trajectory problem, return step 6;
Step 9: generate and twine code:, generate the numerical control code that twines according to winding pattern;
Step 10: Wrapping formed whether success: the numerical control code that twines is input in the numerical control winding machine, carries out Wrapping formedly, in carrying out winding process, take place to disturb or other reasons causes twining unsuccessful, return step 6; Twine successfully, finish Wrapping formed.
The present invention adopts and seeks the dough sheet winding method that doffs a little at the dense grid node of gridding mandrel surface, can successfully solve the problem that is covered with of three-way pipe.This invention has been expanded more wide space for China at aspects such as composite material application, processing, the three-way pipe composite material twines member can be able to extensive use in civilian military domain, such as the laying of under ground piping, the installation that Aero-Space are used the high-strength light pipeline etc.; The successful winding of three-way pipe will make high-performance composite materials be able to extensive use in every field.
Description of drawings
Fig. 1 is the flow chart of the inventive method; Fig. 2 is that the transition region of three-way pipe is divided into A, B and three area distribution schematic representation of C; Fig. 3 is the winding path line style schematic representation in A district; Fig. 4 is the winding path line style schematic representation in B district; Fig. 5 is the winding path line style schematic representation in C district; Fig. 6 is the actual winding structure schematic representation in A district; Fig. 7 is the actual winding structure schematic representation in A district and B district; Fig. 8 is the structural representation that the actual winding in A district, B district and C district is finished; Fig. 9 is a structural representation of finishing Wrapping formed three-way pipe.
Embodiment
Embodiment one: in conjunction with Fig. 1 present embodiment is described, the step of present embodiment is as follows:
Step 1: modeling: at first the parameter of the person in charge, a length of tube and the knuckle radius by the three-way pipe that will design is set up core;
Step 2: gridding: mandrel surface is carried out gridding;
Step 3: data management: come the three-way pipe surface node data that managerial grid formats by SQL Sever database;
Step 4: search and doff a little: twine theoretical editor according to dough sheet and twine software, choose by software make the fiber stable winding a series of grid nodes for doffing a little;
Step 5: stablize line style and judge: the winding path line style of a little coming design stability by doffing; Can design stable winding pattern, enter step 6; Can not design stable winding pattern, return step 4, search again and doff a little;
Step 6: grid is rearmounted to be handled: by winding pattern, choose the locus of point constraint equation that doffs, carry out the speed of wrap smoothing processing;
Step 7: judge the line style rationality: with the form simulation winding process of three-dimensional animation, the rationality of check winding pattern; Unreasonable, enter step 8; Rationally, enter step 9;
Step 8: judge whether it is trajectory problem: in that the situation that occurs wedge angle on tangible abnormity point or the track is arranged on the fiber winding path, be trajectory problem, return step 4; Not trajectory problem, return step 6;
Step 9: generate and twine code:, generate the numerical control code that twines according to winding pattern;
Step 10: Wrapping formed whether success: the numerical control code that twines is input in the numerical control winding machine, carries out Wrapping formedly, in carrying out winding process, take place to disturb or other reasons causes twining unsuccessful, return step 6; Twine successfully, finish Wrapping formed.
Embodiment two: present embodiment and embodiment one difference are that the gridding in the step 2 adopts ANSYS finite element grid method that UG is carried out secondary development and realize gridding.Other composition is identical with embodiment one with Placement.
Embodiment three: present embodiment is described in conjunction with Fig. 2, Fig. 6, Fig. 7, Fig. 8 and Fig. 9, present embodiment and embodiment one difference are the winding path line style of the design stability of step 5, be to be divided into A, B and three zones of C, design line style respectively by transition region with three-way pipe; The A district is responsible for and the planar section of arm jointing place and the part of the linearity covering of making somebody a mere figurehead; The B district is the person in charge and arm direct transformation part except that the A district, and the line style in B district can also effectively be eliminated the built on stilts of A district except the blank of filling up the direct transformation zone; The C district for being responsible for the relative part of the transition zone that is connected with arm, designs trizonal line style respectively on being responsible for, thereby realizes being covered with and stablizing of whole transition region.Other composition is identical with embodiment one with Placement.
Embodiment four: in conjunction with Fig. 2～Fig. 9 present embodiment is described, three-way pipe is responsible for long 430mm in the present embodiment, and Zhi Guanchang 220mm is responsible for and the arm radius is 54mm, primary branch transition portion radius 10mm; Select 10mm for twining bandwidth.
Determining of the winding path line style in A district, core is responsible for and the arm radius is 54mm, for the fibre cover that makes changeover portion can be connected with a tubular portion fully, each 7 linear winding that are covered with of finishing this part of fiber about choosing, uppermost linear surpassing is responsible for upper edge 10mm, the lower edge has 6mm to be in below the central shaft, the left side the 1st, the 2nd linear trend as shown in Figure 3, all the other 5 linear parallel with it once down arrangements, 7 on the right side is linear linear about medium line symmetry among the figure with the left side, thereby finish the design that is covered with to the A district, the difficult point that its winding is covered with is that a tube transitions twines and the winding of arm root.In Fig. 3, only shown that A obtains front half part, the linear distribution of its latter half part and front half part symmetry, the linear transition in front and back can realize by Fig. 3 mode so.The A district twine linear need transition on arm, and person in charge's clamping of core is on main shaft, therefore in the process of linear transition on arm, machine tool chief axis has the counter-rotating situation, because the transitional fibre major part is twined at a tube end, the positive and negative amplitude of oscillation of arm is bigger when twining, bump easily and the loosening situation of fiber, therefore can consider when twining arm, make the arm horizontal stationary motionless, finish the winding transition of line style on arm by the yarn mouth around the winding that rotates in a circumferential direction of arm, as shown in Figure 2.When fiber was wound into arm, arm remained horizontal position, came coordinated movement of various economic factors control yarn mouth to twine around the arm revolution by coordinate X, Y and Z, controlled outstanding yarn vector sum by yarn coordinate A and realized fiber exhibition yarn.In the wide fiber of 7 10mm in A district topmost that fiber be on the arm in the arm axial location, in order well to be covered with, the fiber of arm root must can not surpass 10mm near being responsible for the upper edge, otherwise just can not realize being covered with so.Because lathe yarn mouth length is that 150mm is shorter than Zhi Guanchang, under keeping static situation, can't realize arm winding to the arm root, therefore just must finish the winding of arm root in this case by the positive and negative revolution of arm, as shown in Figure 2.
Determining of the winding path line style in B district, the arc length of core in B district is 15.7mm (radius is 10mm), B district be covered with linear about respectively four linear, two is directly to carry out transition in the B district, two is transition on the person in charge.Linear interval is no more than 10mm, and is responsible for last the linear of transition and can realizes and be responsible for self linear overlap joint, thereby realizes being covered with.The B district adopts the winding angle of 48 degree, greater than 42 linear degree winding angles of A district, otherwise the slip phenomenon will occur, can not guarantee being covered with of B district.Just the minimum place of the radius in B district can be covered with in that two of B district transition are linear, two other is linear to extend to connect the transition portion and the person in charge toward being responsible for to go up.Outstanding yarn length is 200mm, and the length of arm is 220mm, arm can move interference with the yarn mouth when twining person in charge's root if do not take measures, here can take outstanding yarn length is adjusted to 250mm, twined and be responsible for root and will hang yarn length again and transfer to 200mm, can effectively avoid collision not influence line style again.The B district winding effect of three-way pipe is seen Fig. 4.
Determining of the winding path line style in C district, the movement locus and the arm that are covered with linear splicing in the main consideration left and right sides and lathe in C district do not interfere.Nethermost linearly arrange successively along the B district, the key that fiber track the is arranged point coordinates that doffs sees Table 1, because the arc length that the C district need arrange is 1/4th circumferences, be 84.823mm, explanation can be finished being covered with of C district when K equals 86mm, K is in being responsible for middle vertical plane, counts the distance of linear key point to the C district from being responsible for the outer side center line.
Table 1C district key point
| K | 36 | 46 | 56 | 66 | 76 | 86 |
| Z | 38.1 | 43.9 | 50.3 | 57.03 | 64.3 | 72.18 |
| Y | 9.3 | 6.4 | 3.9 | 1.97 | 0.63 | 0.02 |
Table 2C district's first linear collision is doffed a little
| X | 200.194 | -00.153 | 200.030 | 199.824 | 199.535 | 199.163 | 198.707 | 197.541 |
| Y | 39.488 | 36.127 | 32.491 | 28.604 | 24.295 | 20.194 | 15.731 | 6.451 |
| Z | 36.833 | 40.135 | 43.132 | 45.802 | 48.125 | 50.082 | 51.658 | 53.613 |
| X | 196.029 | 194.162 | 191.929 | 189.313 | 186.299 | 30.894 | 178.990 | |
| Y | -3.074 | -12.561 | -21.718 | -30.250 | -37.866 | -44.290 | -49.260 | |
| Z | 53.912 | 52.519 | 49.440 | 44.732 | 38.498 | 182.866 | 22.123 |
As can be seen from Table 1, each need be arranged 6 and linearly just core C district can be covered with about.Winding angle 48 degree from table 2 and the employing of C district, calculate and adopt the outstanding yarn length of 200mm, the yarn leaving point of fiber falls after rise in arm inside, and promptly lathe yarn mouth can bump against with arm when fiber track is returned, this problem will be hanged yarn length and be adjusted 60mm and can solve, and C district winding effect figure sees Fig. 5.
Claims (3)
1. the winding, molding method of three-way pipe is characterized in that its step is as follows:
Step 1: modeling: at first the parameter of the person in charge, a length of tube and the knuckle radius by the three-way pipe that will design is set up core;
Step 2: gridding: mandrel surface is carried out gridding;
Step 3: data management: come the three-way pipe surface node data that managerial grid formats by SQL Sever database;
Step 4: search and doff a little: twine theoretical editor according to dough sheet and twine software, choose by software make the fiber stable winding a series of grid nodes for doffing a little;
Step 5: stablize line style and judge: the winding path line style of a little coming design stability by doffing; Can design stable winding pattern, enter step 6; Can not design stable winding pattern, return step 4, search again and doff a little;
Step 6: grid is rearmounted to be handled: by winding pattern, choose the locus of point constraint equation that doffs, carry out the speed of wrap smoothing processing;
Step 7: judge the line style rationality: with the form simulation winding process of three-dimensional animation, the rationality of check winding pattern; Unreasonable, enter step 8; Rationally, enter step 9;
Step 8: judge whether it is trajectory problem: in that the situation that occurs wedge angle on tangible abnormity point or the track is arranged on the fiber winding path, be trajectory problem, return step 4; Not trajectory problem, return step 6;
Step 9: generate and twine code:, generate the numerical control code that twines according to winding pattern;
Step 10: Wrapping formed whether success: the numerical control code that twines is input in the numerical control winding machine, carries out Wrapping formedly, in carrying out winding process, take place to disturb or other reasons causes twining unsuccessful, return step 6; Twine successfully, finish Wrapping formed.
2. the winding, molding method of three-way pipe according to claim 1 is characterized in that the gridding in the step 2 adopts ANSYS finite element grid method that UG is carried out secondary development realization gridding.
3. the winding, molding method of three-way pipe according to claim 1 is characterized in that the winding path line style of the design stability of step 5, is to be divided into A, B and three zones of C by the transition region with three-way pipe, designs line style respectively; The A district is responsible for and the planar section of arm jointing place and the part of the linearity covering of making somebody a mere figurehead; The B district is the person in charge and arm direct transformation part except that the A district; The C district for being responsible for the relative part of the transition zone that is connected with arm, designs trizonal line style respectively on being responsible for.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007101445962A CN100498032C (en) | 2007-11-14 | 2007-11-14 | Three-way pipe winding forming method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007101445962A CN100498032C (en) | 2007-11-14 | 2007-11-14 | Three-way pipe winding forming method |
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| Publication Number | Publication Date |
|---|---|
| CN101149121A true CN101149121A (en) | 2008-03-26 |
| CN100498032C CN100498032C (en) | 2009-06-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNB2007101445962A Expired - Fee Related CN100498032C (en) | 2007-11-14 | 2007-11-14 | Three-way pipe winding forming method |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103831389A (en) * | 2013-12-31 | 2014-06-04 | 宁波威瑞泰默赛多相流仪器设备有限公司 | Method for manufacturing special beveling tee-joint forge piece for GLCC separator |
| CN104165049A (en) * | 2014-08-07 | 2014-11-26 | 吴亚民 | High-strength composite pressure-bearing shell for petroleum logging instrument and preparation method of the high-strength composite pressure-bearing shell |
| CN105082523A (en) * | 2015-08-21 | 2015-11-25 | 上海万格复合材料技术有限责任公司 | Post-processing method for computer-controlled winding forming of elbows and containers |
| CN112140579A (en) * | 2020-09-21 | 2020-12-29 | 哈尔滨工业大学 | Fiber winding head device |
-
2007
- 2007-11-14 CN CNB2007101445962A patent/CN100498032C/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103831389A (en) * | 2013-12-31 | 2014-06-04 | 宁波威瑞泰默赛多相流仪器设备有限公司 | Method for manufacturing special beveling tee-joint forge piece for GLCC separator |
| CN104165049A (en) * | 2014-08-07 | 2014-11-26 | 吴亚民 | High-strength composite pressure-bearing shell for petroleum logging instrument and preparation method of the high-strength composite pressure-bearing shell |
| CN105082523A (en) * | 2015-08-21 | 2015-11-25 | 上海万格复合材料技术有限责任公司 | Post-processing method for computer-controlled winding forming of elbows and containers |
| CN105082523B (en) * | 2015-08-21 | 2019-05-10 | 上海万格复合材料技术有限责任公司 | A kind of computer control bend pipe and the Wrapping formed postpositive disposal method of container |
| CN112140579A (en) * | 2020-09-21 | 2020-12-29 | 哈尔滨工业大学 | Fiber winding head device |
| CN112140579B (en) * | 2020-09-21 | 2022-04-22 | 哈尔滨工业大学 | Fiber winding head device |
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| Publication number | Publication date |
|---|---|
| CN100498032C (en) | 2009-06-10 |
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Granted publication date: 20090610 Termination date: 20101114 |