CN102582071B - Resin matrix composite truss tubular component forming mould - Google Patents
Resin matrix composite truss tubular component forming mould Download PDFInfo
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- CN102582071B CN102582071B CN201210037973.3A CN201210037973A CN102582071B CN 102582071 B CN102582071 B CN 102582071B CN 201210037973 A CN201210037973 A CN 201210037973A CN 102582071 B CN102582071 B CN 102582071B
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- end plate
- brace summer
- hole
- tapped
- fiber support
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Abstract
The invention discloses a resin matrix composite truss tubular component forming mould. The mould is adopted to manufacture a resin matrix composite truss tubular component by a winding forming technology; and the mould comprises a spindle, end plates, a support beam, fiber support heads, steering screws and fasteners. The spindle supports other components; end plates are mounted at the two ends of the spindle; a thread through hole and a groove are arranged on each disc-shaped end plate; the steering screws are screwed into the thread through holes on the end plates to clamp the spindle; the support beam are fixed in the grooves of the end plates at the two ends through the fasteners; the fiber support heads are fixedly mounted in a sliding chute on the support beam; the assembly of the components is realized through screw fastening, the assembly and disassembly are convenient, and the demoulding operation after the component formation is facilitated; space between the fiber support heads can be adjusted by replacing the end plates with different diameters, so that the components with different parameters are manufactured without replacing the whole mould. The forming mould has a simple structure and is convenient to use and operate.
Description
Technical field
The present invention relates to a kind of mould that adopts winding process to manufacture, specifically, relate to a kind of resin matrix composite truss tubular component forming mould.Belong to technological equipment structural design and manufacturing technology field.
Background technology
Resin matrix composite truss tubular component is three-dimensional truss structure, sees that on the whole member is a cage shape tubular type trellis, is comprised of the straight line pole unit at the spiral folding mast unit being wound around around axis and syndeton two ends.This structural member adopts the manufacture of polymer matrix composites winding process, has high specific stiffness and high specific strength, has applied to the civilian commodity fields such as mountain bike vehicle frame, basketball stands.Because such structural member outline is uneven, demoulding narrow space, the design of mould structure becomes the key that such structural member is manufactured.The representational nineties in last century, the truss tubular component of a kind of IsoTruss by name being invented by U.S. Brigham Young University professor David Jensen etc. of being configured as of such structural member.
David Jensen professor, set forth in the U.S. Pat 20050115186A1 of IsoTruss design feature (the Chinese patent ZL01814980.4 of application is iso-truss structure) simultaneously, discloses a kind of mould for the manufacture of this class A of geometric unitA.This mould is take hollow circular-tube as main shaft, on pipe, drill circular hole, supporting pin is inserted to circular hole as the support termination that is wound around fiber, and in hollow circular-tube, clog column tube core, after making supporting pin pass circular hole, abut on tube core, to limit supporting pin, along circular hole, move.In this mould structure, the spacing of the circular hole on pipe and the height of supporting pin, determined the spacing of support node and the diameter of member on polymer matrix composites column trussmember, when member designs parameter change, need mfg. moulding die again, mould recycling rate of waterused is low.In addition, the restriction deficiency of hollow circular-tube to supporting pin, in Filament-wound Machine process, supporting pin is easily loosening.
Summary of the invention
The deficiency existing for fear of prior art, overcomes that mould recycling rate of waterused is low, the problem of member demoulding difficulty, and the present invention proposes a kind of resin matrix composite truss tubular component forming mould.This mould adopts winding shaping process to manufacture resin matrix composite truss tubular component, and the assembling of each parts adopts screw fastening, assembles, dismantles easy, is convenient to the stripping operation after molding component; Can, by changing the end plate and the spacing of adjusting fiber support head of different-diameter, produce the member of different parameters, not need to change completely a whole set of mould.
The technical solution adopted for the present invention to solve the technical problems is: mould comprises main shaft, end plate, brace summer, fiber support head, turns to screw, securing member,
Described main shaft provides support for other each parts, is convenient to support whole mould structure in manufacture process, and the truss tubular component that the Length Ratio of main shaft will be manufactured is long.
Described end plate is the disk that two coaxial radiuses do not wait, the machine-shaping of two disk entirety, and end plate center is provided with circular hole, and end plate is fixedly mounted on the two ends of main shaft by circular hole, and coordinates with gap of main reinforcement; End plate roundel is circumferentially provided with tapped through hole and end plate center hole connects, end plate big disk is circumferentially provided with some rectangular recess, there is a tapped blind hole at each groove center, 90 ° of end plate roundel tapped through hole center line and big disk tapped blind hole center line sequences, the tapped through hole quantity that end plate roundel circumferentially distributes is identical with the tapped blind hole number that big disk circumferentially distributes; The degree of depth of end plate grooves is identical with brace summer thickness, poor for end plate big disk and roundel radius.
Described turning in the circumferential tapped through hole that screw is arranged on end plate roundel, turns to screw to screw in tapped through hole clamping main shaft; Turn to screw in Filament-wound Machine process, to can be used as the steering spindle of fiber and the termination that fiber is tied up bundle.
Described brace summer is cuboid straight-bar, along there being rectangular chute on brace summer axis, is provided with the gap that is less than chute length along chute axis, and respectively there is a circular hole at brace summer axis two ends, and brace summer is fixedly mounted in two end plates groove; The length of brace summer chute is less than the length of brace summer, and the width of brace summer chute is identical with the width of a fiber support base, and the degree of depth of brace summer chute is more than or equal to the thickness of a fiber support base, and chute gap width is less than chute width; Brace summer and end plate grooves matched in clearance.
Described fiber support head is L shaped, and base center is provided with a circular hole, has U-shaped mouth in the middle of side plate top; Fiber support head, along brace summer axial distribution, is fixedly mounted in brace summer chute by securing member; The base of fiber support head is with brace summer chute matched in clearance, and limits rotation and the slip of fiber support head.At fiber, along in mold axis winding process, fiber is played a supportive role.
Described brace summer circumferentially distributes and is at least three along mold; On a brace summer, at least should there is a fiber support head.
Resin matrix composite truss tubular component forming mould assembling process of the present invention:
(1) first main shaft is passed to end plate center hole, and on main shaft, two ends end plate roundel end face is outside, adjusts the distance of two ends end plate, guarantee that two ends end plate grooves tapped blind hole centre distance equals brace summer two ends circular hole centre distance;
(2) use and turn in the tapped through hole of screw precession two end plates roundel, and main shaft is clamped;
(3) by securing member, fiber support head is fixedly mounted in brace summer chute;
(4) by being fixed with the brace summer of fiber support head, by securing member, be fixed in the groove of mould both sides end plate.At fiber, along in mold axis winding process, fiber is played a supportive role.
Beneficial effect
Resin matrix composite truss tubular component forming mould of the present invention, adopts winding shaping process to manufacture resin matrix composite truss tubular component.The assembling of the each parts of mould adopts screw fastener, and assembly and disassembly are convenient, and are convenient to the stripping operation after molding component; Can, by changing the end plate of different-diameter, adjust the spacing of fiber support head, manufacture the member of different parameters, not need to change completely a whole set of mould.Forming die structure is simple, uses easy to operate.
Accompanying drawing explanation
Below in conjunction with drawings and embodiments, resin matrix composite truss tubular component forming mould of the present invention is described in further detail.
Fig. 1 is the structural representation of mould of the present invention.
Fig. 2 is the end plate schematic diagram of mould of the present invention.
Fig. 3 is the brace summer schematic diagram of mould of the present invention.
Fig. 4 is a fiber support schematic diagram of mould of the present invention.
In figure:
1. main shaft 2. end plate 3. end plate center hole 4. end plate roundel tapped through hole 5. end plate grooves 6. end plate grooves tapped blind holes 7. turn to screw 8. brace summer 9. brace summer chute 10. brace summer chute gap 11. brace summer termination circular hole 12. fiber support 13. fiber support base center hole 14. fiber support U-shaped mouth 15. securing member
The specific embodiment
The present embodiment is a kind of resin matrix composite truss tubular component forming mould, and the assembling of the each parts of this mould adopts screw fastening, and assembling, convenient disassembly, be convenient to the stripping operation after molding component; It comprises main shaft 1, end plate 2, end plate center hole 3, end plate roundel tapped through hole 4, end plate grooves 5, end plate grooves tapped blind hole 6, turn to screw 7, brace summer 8, brace summer chute 9, brace summer chute gap 10, brace summer termination circular hole 11, fiber support 12, a fiber support base center hole 13, a fiber support U-shaped mouth 14, securing member 15.
Resin matrix composite truss tubular component forming mould of the present invention, for adopting winding process to manufacture the mould structure of resin matrix composite truss tubular component.To there are 8 circumferential equally distributed moulds of brace summer, describe as example.
Referring to Fig. 1.Fig. 2, Fig. 3, Fig. 4, the assembling of the each parts of mould adopts screw fastening, and assembly and disassembly are convenient, and are convenient to the stripping operation after molding component.Change the spacing of end plate and the adjustment fiber support head of different-diameter, can manufacture the member of Different structural parameters.
Mould building block:
(1) main shaft provides support for other each parts, is convenient to support whole mould structure in manufacture process, and the truss tubular component that the Length Ratio of main shaft 1 will be manufactured is slightly long; Main shaft 1 is positioned on the axis of mould, and a mold only has a main shaft, main shaft 1 and end plate center hole 3 matched in clearance, and turn to screw 7 by fixing main shaft 1 clamping, to limit main shaft 1 along end plate center hole 3 relative slidings by what install on end plate 2.As shown in Figure 1.
(2) end plate is the positioning element of brace summer, is arranged on the two ends of mold.End plate 2 is the disk that two coaxial radiuses do not wait, and two disk entirety process.End plate center is provided with circular hole 3, and end plate 2 is fixedly mounted on the two ends of main shaft 1 by circular hole, and with main shaft 1 matched in clearance; End plate roundel is circumferentially provided with 8 tapped through holes and end plate center hole 3 connects, end plate big disk is circumferentially provided with 8 rectangular recess 5, there is a tapped blind hole 6 at each groove center, 90 ° of end plate roundel tapped through hole 4 center lines and big disk tapped blind hole 6 center line sequences, the tapped through hole quantity that end plate roundel circumferentially distributes is identical with the tapped blind hole number that big disk circumferentially distributes; The degree of depth of end plate grooves 5 is identical with brace summer 8 thickness, poor for end plate 2 big disk radiuses and roundel radius; Brace summer 8 and end plate grooves 5 matched in clearance.By screw fastening, the two ends of brace summer 8 are separately fixed in the groove of two ends end plate, to limit the relative motion of brace summer 8 with end plate 2.
(3) turn to screw to be arranged in end plate roundel tapped through hole 4, turn to the quantity of screw 7 to equate with the quantity of brace summer 8.In set of molds process of assembling, turn to screw 7 to screw in end plate roundel tapped through hole 4 and clamp main shaft 1; Turn to screw 7 in Filament-wound Machine process, to can be used as the steering spindle of fiber and the termination that fiber is tied up bundle.
(4) brace summer 8 is the support component of fiber support 12, be distributed in mold circumferentially, brace summer 8 circumferentially distributes and is at least three along mold.The straight-bar that brace summer 8 is square-section, along being provided with strip chute on brace summer 8 axis, on brace summer chute 9, be provided with the gap that is less than chute length, the length of brace summer chute 9 is less than the length of brace summer 8, the width of brace summer chute 9 is identical with the width of fiber support 12 base, the degree of depth of brace summer chute 9 is more than or equal to the thickness of fiber support 12 base, and the width of chute gap 10 is less than the width of chute.Brace summer 8 axis two ends have circular hole 11, referring to Fig. 3; Brace summer 8 is fixedly mounted in end plate grooves 5, brace summer 8 and end plate grooves 5 matched in clearance.Brace summer termination center of circular hole 11 is equal to the distance of the recess edge near end plate roundel one side to distance and end plate grooves tapped blind hole 6 centers of the same side brace summer end face.
(5) fiber support head is to be wound around the support component of fiber, along brace summer, distributes, and has a fiber support 12 on a brace summer 8 at least.The profile of fiber support 12 is L shaped, and a fiber support base center is provided with a circular hole, has U-shaped mouth, as shown in Figure 4 in the middle of side plate top.The base width of fiber support head is identical with the width of chute, and there is a circular hole 13 at base center, and fiber support 12, along brace summer 8 axial distribution, is fixedly mounted on fiber support head in brace summer chute by securing member 15.The base of fiber support 12 is with brace summer chute 9 matched in clearance, and limits rotation and the slip of fiber support 12.At fiber, along in mold axis winding process, fiber is played a supportive role.
Die assembly process:
(1) main shaft 1 passes the center hole 3 of two end plates, and two ends end plate roundel end face outwardly, adjusts the distance of two ends end plate, guarantees that two ends end plate grooves tapped blind hole 6 centre distances equal brace summer two ends circular hole centre distance;
(2) by turning in screw 7 precession two ends end plate roundel tapped through holes 4, main shaft is clamped;
(3) use securing member 15 that fiber support 12 is fixedly mounted in brace summer chute 9;
(4) by being fixed with the brace summer 8 of fiber support 12, be fixed by screws in mold both sides end plate grooves 5.
Member knockout course:
(1) screw 7 unloadings that turn on end plate 2 are unscrewed, itself and main shaft 1 are departed from;
(2) outward winding for the securing member 15 of fixed support beam, and the end plate of both sides 2 is taken out;
(3) at component inside, take out the brace summer 8 that is fixed with fiber support 12 successively;
(4) demoulding completes.
Claims (2)
1. a resin matrix composite truss tubular component forming mould, is characterized in that: comprises main shaft, end plate, brace summer, fiber support head, turns to screw, securing member,
Described main shaft provides support for other each parts;
Described end plate is the disk entirety machine-shaping that two coaxial radiuses do not wait, there is circular hole at end plate center, end plate is fixedly mounted on the two ends of main shaft, end plate roundel is circumferentially provided with some tapped through holes and end plate center hole connects, end plate big disk is circumferentially provided with some rectangular recess, there is a tapped blind hole at each groove center, 90 ° of end plate roundel tapped through hole and the dislocation of big disk tapped blind hole, the tapped through hole quantity that end plate roundel circumferentially distributes is identical with the tapped blind hole quantity that big disk circumferentially distributes; The degree of depth of end plate grooves is the poor of end plate big disk and roundel radius;
The described screw that turns to is arranged in the circumferential tapped through hole of end plate roundel, turns to screw to screw in tapped through hole clamping main shaft;
Described brace summer is cuboid straight-bar, and respectively there is a circular hole at two ends, has rectangular chute on brace summer, is provided with the gap that is less than chute length along chute axis, and brace summer is fixedly mounted in two end plates groove;
Described fiber support head is L shaped, and base center is provided with a circular hole, in the middle of side plate top, has U-shaped mouth, and fiber support head is fixedly mounted in brace summer chute by securing member.
2. resin matrix composite truss tubular component forming mould according to claim 1, is characterized in that: described brace summer circumferentially distributes and is at least three along mold; On a brace summer, has a fiber support head at least.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210037973.3A CN102582071B (en) | 2012-02-20 | 2012-02-20 | Resin matrix composite truss tubular component forming mould |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210037973.3A CN102582071B (en) | 2012-02-20 | 2012-02-20 | Resin matrix composite truss tubular component forming mould |
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| Publication Number | Publication Date |
|---|---|
| CN102582071A CN102582071A (en) | 2012-07-18 |
| CN102582071B true CN102582071B (en) | 2014-04-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210037973.3A Expired - Fee Related CN102582071B (en) | 2012-02-20 | 2012-02-20 | Resin matrix composite truss tubular component forming mould |
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| CN103283396B (en) * | 2013-06-07 | 2015-12-16 | 浙江大学 | A kind of leaf cutting wheel for harvesting sugarcane with overall dismantled and assembled row's formula |
| CN115592931B (en) * | 2022-10-27 | 2023-03-21 | 新创碳谷集团有限公司 | Manufacturing die and manufacturing method for van-type girder of wind power blade made of composite material |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1464934A (en) * | 2000-07-28 | 2003-12-31 | 布莱阿姆青年大学 | Iso-truss structure |
| CN202448348U (en) * | 2012-02-20 | 2012-09-26 | 西北工业大学 | Molding die of truss tubular construction member made of resin matrix composite materials |
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2012
- 2012-02-20 CN CN201210037973.3A patent/CN102582071B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1464934A (en) * | 2000-07-28 | 2003-12-31 | 布莱阿姆青年大学 | Iso-truss structure |
| CN202448348U (en) * | 2012-02-20 | 2012-09-26 | 西北工业大学 | Molding die of truss tubular construction member made of resin matrix composite materials |
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| CN102582071A (en) | 2012-07-18 |
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Granted publication date: 20140416 Termination date: 20160220 |