CN102582071A - Resin matrix composite truss tubular component forming mould - Google Patents
Resin matrix composite truss tubular component forming mould Download PDFInfo
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- CN102582071A CN102582071A CN2012100379733A CN201210037973A CN102582071A CN 102582071 A CN102582071 A CN 102582071A CN 2012100379733 A CN2012100379733 A CN 2012100379733A CN 201210037973 A CN201210037973 A CN 201210037973A CN 102582071 A CN102582071 A CN 102582071A
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- end plate
- brace summer
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- 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 make, specifically, relate to a kind of polymer matrix composites truss tubular element mould.Belong to technological equipment structural design and manufacturing technology field.
Background technology
Polymer matrix composites truss tubular element is the three-dimensional truss structure, sees that on the whole member is a cage shape tubular type trellis, is made up of the spiral folding mast unit that twines around axis and the straight line pole unit at syndeton two ends.This structural member adopts the manufacturing of polymer matrix composites winding process, has high specific stiffness and high specific strength, has applied to civilian commodity fields such as mountain bike vehicle frame, basketball stands.Because such structural member outline is uneven, demoulding space is narrow and small, the key that is designed to such structural member manufacturing of mould structure.Such structural member is representational to be configured as the nineties in last century, by the truss tubular element of a kind of IsoTruss by name of inventions such as U.S. Brigham Young University professor David Jensen.
David Jensen professor discloses a kind of mould that is used to make this class A of geometric unitA in the U.S. Pat 20050115186A1 that sets forth the IsoTruss design feature (the Chinese patent ZL01814980.4 of application is an iso-truss structure simultaneously).This mould is main shaft with the hollow circular-tube; On pipe, bore the rounding hole, supporting pin is inserted circular hole as the support termination of twining fiber, and in hollow circular-tube, clog the column tube core; Abut on the tube core after making supporting pin pass circular hole, move along circular hole with the restriction supporting pin.In this mould structure; The spacing of the circular hole on the pipe and the height of supporting pin have determined the spacing of support node on the polymer matrix composites column trussmember and the diameter of member, when the member designs parameter change; Need mfg. moulding die again, the mould recycling rate of waterused is low.In addition, hollow circular-tube is not enough to the restriction of supporting pin, and in the fiber winding process, supporting pin is loosening easily.
Summary of the invention
For fear of the deficiency that prior art exists, overcome the problem that the mould recycling rate of waterused is low, the member demoulding is difficult, the present invention proposes a kind of polymer matrix composites truss tubular element mould.This mould adopts winding shaping process to make polymer matrix composites truss tubular element, and the assembling of each parts adopts screw fastening, and assembling, dismounting are easy, is convenient to the stripping operation behind the molding component; Can produce the member of different parameters through the end plate of changing different-diameter and the spacing of adjusting the fiber support head, not need to change fully 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,
Said main shaft provides support for other each parts, is convenient in manufacture process to support the entire die structure, the length of main shaft than the truss tubular element that will make long.
Said end plate is two disks that coaxial radius does not wait, the whole machine-shapings of two disks, and the end plate center is provided with circular hole, and end plate is fixedly mounted on the two ends of main shaft through circular hole, and cooperates with gap of main reinforcement; The end plate roundel circumferentially is provided with tapped through hole and the end plate center hole connects; The end plate big disk circumferentially is provided with some rectangular recess; There is a tapped blind hole at each groove center; End plate roundel tapped through hole center line misplaces 90 ° mutually with big disk tapped blind hole center line, and the tapped through hole quantity that the 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.
Said turning in the circumferential tapped through hole that screw is installed in the end plate roundel turns to screw to screw in tapped through hole chucking main shaft; Turn to screw in the fiber winding process, to can be used as the steering spindle of fiber and the termination that fiber is tied up bundle.
Said brace summer is the cuboid straight-bar, along rectangular chute is arranged on the brace summer axis, is provided with the gap less than chute length along the chute axis, and respectively there is a circular hole at brace summer axis two ends, and brace summer is fixedly mounted in the 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 the chute width; Brace summer and end plate grooves matched in clearance.
Said fiber support head is L shaped, and center is provided with a circular hole, has the U-shaped mouth in the middle of the side plate top; The fiber support head is fixedly mounted in the brace summer chute through securing member along the brace summer axial distribution; The base of fiber support head is with brace summer chute matched in clearance, and the rotation and the slip of restriction fiber support head., along in the mold axis winding process fiber is played a supportive role at fiber.
Said brace summer circumferentially distributes along mold and is at least three; A fiber support head should be arranged on the brace summer at least.
Polymer matrix composites truss tubular element mould assembling process of the present invention:
(1) at first main shaft is passed the end plate center hole, and two ends end plate roundel end face is outside on the main shaft, the distance of adjustment two ends end plate guarantees that two ends end plate grooves tapped blind hole centre distance equals brace summer two ends circular hole centre distance;
(2) use turns in the tapped through hole of screw precession two end plates roundel, and main shaft is tightened;
(3) through securing member the fiber support head is fixedly mounted in the brace summer chute;
(4) will be fixed with the brace summer of fiber support head, be fixed to through securing member in the groove of mould both sides end plate., along in the mold axis winding process fiber is played a supportive role at fiber.
Beneficial effect
Polymer matrix composites truss tubular element mould of the present invention adopts winding shaping process to make polymer matrix composites truss tubular element.Screw fastener is adopted in the assembling of each parts of mould, and assembly and disassembly are convenient, and are convenient to the stripping operation behind the molding component; Can adjust the spacing of fiber support head through changing the end plate of different-diameter, make the member of different parameters, not need to change fully a whole set of mould.Forming die structure is simple, uses easy to operate.
Description of drawings
Below in conjunction with accompanying drawing and embodiment polymer matrix composites truss tubular element mould of the present invention is done further explain.
Fig. 1 is the structural representation of mould of the present invention.
Fig. 2 is the end plate sketch map of mould of the present invention.
Fig. 3 is the brace summer sketch map of mould of the present invention.
Fig. 4 is a fiber support sketch map of mould of the present invention.
Among the figure:
1. main shaft 2. end plates 3. end plate center holes 4. end plate roundel tapped through holes 5. end plate grooves 6. end plate grooves tapped blind holes 7. turn to screw 8. brace summers 9. brace summer chutes 10. brace summer chute gap 11. brace summer termination circular hole 12. fiber support 13. fiber support center circular hole 14. fiber support U-shaped mouth 15. securing member
The specific embodiment
Present embodiment is a kind of polymer matrix composites truss tubular element mould, and the assembling of these each parts of mould adopts screw fastening, and assembling, convenient disassembly are convenient to the stripping operation behind the 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 center circular hole 13, a fiber support U-shaped mouth 14, securing member 15.
Polymer matrix composites truss tubular element mould of the present invention is made the mould structure of polymer matrix composites truss tubular element for adopting winding process.To have 8 circumferential equally distributed moulds of brace summer is that example describes.
Referring to Fig. 1.Fig. 2, Fig. 3, Fig. 4, the assembling of each parts of mould adopts screw fastening, and assembly and disassembly are convenient, and are convenient to the stripping operation behind the molding component.Change the spacing of end plate with the adjustment fiber support head of different-diameter, can make the member of different structure parameter.
The mould building block:
(1) main shaft provides support for other each parts, is convenient in manufacture process to support the entire die structure, and the truss tubular element that the length of main shaft 1 will be made than institute is length slightly; Main shaft 1 is positioned on the axis of mould, and a mold has only a main shaft, main shaft 1 and end plate center hole 3 matched in clearance, and turn to screw 7 with main shaft 1 fixing chucking through what install on the end plate 2, slide relatively along end plate center hole 3 with restriction main shaft 1.As shown in Figure 1.
(2) end plate is the positioning element of brace summer, is installed in the two ends of mold.End plate 2 is two disks that coaxial radius does not wait, and two disk integral body process.The end plate center is provided with circular hole 3, and end plate 2 is fixedly mounted on the two ends of main shaft 1 through circular hole, and with main shaft 1 matched in clearance; The end plate roundel circumferentially is provided with 8 tapped through holes and end plate center hole 3 connects; The end plate big disk circumferentially is provided with 8 rectangular recess 5; There is a tapped blind hole 6 at each groove center; End plate roundel tapped through hole 4 center lines misplace 90 ° mutually with big disk tapped blind hole 6 center lines, and the tapped through hole quantity that the 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.Be separately fixed in the groove of two ends end plate through the fastening two ends of screw, with of the relative motion of restriction brace summer 8 with end plate 2 with brace summer 8.
(3) turn to screw to be installed in the end plate roundel tapped through hole 4, turn to the quantity of screw 7 to equate with the quantity of brace summer 8.In the set of molds process of assembling, turn to screw 7 to screw in chucking main shaft 1 in the end plate roundel tapped through hole 4; Turn to screw 7 in the fiber winding 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 along mold and is at least three.Brace summer 8 is the straight-bar of square-section; Be provided with the strip chute along brace summer 8 axis; Brace summer chute 9 is provided with the gap less than chute length, and the length of brace summer chute 9 is less than the length of brace summer 8, and 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 the end plate grooves 5, brace summer 8 and end plate grooves 5 matched in clearance.The distance of circular hole center, the brace summer termination 11 brace summer end face to the same side and end plate grooves tapped blind hole 6 centers are equal to the distance near the recess edge of end plate roundel one side.
(5) the fiber support head distributes along brace summer for twining the support component of fiber, has a fiber support 12 on the brace summer 8 at least.The profile of fiber support 12 is L shaped, and a fiber support center is provided with a circular hole, has the U-shaped mouth in the middle of the side plate top, and is as shown in Figure 4.The base width of fiber support head is identical with the width of chute, and center has a circular hole 13, and fiber support 12 is fixedly mounted on the fiber support head in the brace summer chute through securing member 15 along brace summer 8 axial distribution.The base of fiber support 12 is with brace summer chute 9 matched in clearance, and the rotation and the slip of restriction fiber support 12., along in the mold axis winding process fiber is played a supportive role at fiber.
The mould assembling process:
(1) main shaft 1 passes the center hole 3 of two end plates, and two ends end plate roundel end face outwardly, and the distance of adjustment 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) through turning in the screw 7 precession two ends end plate roundel tapped through holes 4, main shaft is tightened;
(3) use securing member 15 that fiber support 12 is fixedly mounted in the brace summer chute 9;
(4) will be fixed with the brace summer 8 of fiber support 12, be fixed in the mold both sides end plate grooves 5 through screw.
The member knockout course:
(1) screw 7 unloadings that turn on the end plate 2 is unscrewed, itself and main shaft 1 are broken away from;
(2) securing member 15 of outwarding winding and being used for fixing brace summer, and the end plate of both sides 2 taken out;
(3) take out the brace summer 8 be fixed with fiber support 12 at component inside successively;
(4) demoulding is accomplished.
Claims (2)
1. polymer matrix composites truss tubular element mould is characterized in that: comprises main shaft, end plate, brace summer, fiber support head, turns to screw, securing member,
Said main shaft provides support for other each parts;
Said end plate is the whole machine-shaping of disk that two coaxial radiuses do not wait; There is circular hole at the end plate center; End plate is fixedly mounted on the two ends of main shaft; The end plate roundel circumferentially is provided with some tapped through holes and the end plate center hole connects, and the end plate big disk circumferentially is provided with some rectangular recess, and 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 the 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 said screw that turns to is installed in the circumferential tapped through hole of end plate roundel, turns to screw to screw in tapped through hole chucking main shaft;
Said brace summer is the cuboid straight-bar, and respectively there is a circular hole at two ends, and rectangular chute is arranged on the brace summer, is provided with the gap less than chute length along the chute axis, and brace summer is fixedly mounted in the two end plates groove;
Said fiber support head is L shaped, and center is provided with a circular hole, has the U-shaped mouth in the middle of the side plate top, and the fiber support head is fixedly mounted in the brace summer chute through securing member.
2. polymer matrix composites truss tubular element mould according to claim 1 is characterized in that: described brace summer circumferentially distributes along mold and is at least three; Has a fiber support head on the brace summer 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 |
Applications Claiming Priority (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 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102582071A true CN102582071A (en) | 2012-07-18 |
| CN102582071B CN102582071B (en) | 2014-04-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| 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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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103283396A (en) * | 2013-06-07 | 2013-09-11 | 浙江大学 | Whole-detachable row-type leaf smashing wheel for harvesting sugarcanes |
| CN115592931A (en) * | 2022-10-27 | 2023-01-13 | 新创碳谷集团有限公司（Cn） | 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 |
-
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 |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103283396A (en) * | 2013-06-07 | 2013-09-11 | 浙江大学 | Whole-detachable row-type leaf smashing wheel for harvesting sugarcanes |
| 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 |
| CN115592931A (en) * | 2022-10-27 | 2023-01-13 | 新创碳谷集团有限公司（Cn） | Manufacturing die and manufacturing method for van-type girder of wind power blade made of composite material |
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| CN102582071B (en) | 2014-04-16 |
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Granted publication date: 20140416 Termination date: 20160220 |