CN103302873B - Method for manufacturing composite material rim - Google Patents
Method for manufacturing composite material rim Download PDFInfo
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- CN103302873B CN103302873B CN201310158598.2A CN201310158598A CN103302873B CN 103302873 B CN103302873 B CN 103302873B CN 201310158598 A CN201310158598 A CN 201310158598A CN 103302873 B CN103302873 B CN 103302873B
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- composite material
- mould heart
- material rim
- mould
- external mold
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Abstract
The invention provides a die of a composite material rim, a method for manufacturing the composite material rim through the die, and the composite material rim manufactured through the manufacture method. The composite material rim is provided with a bottom surface and two sides respectively arranged on two opposite sides of the bottom surface, the composite material rim is in a U shape approximately, and a frame lip extends out of one end of each side, which is far from the bottom surface, to the other side. The die comprises an outer die and a die core, wherein the component of the die core comprises water soluble resin; two concave grooves are formed in two opposite side surfaces of the die core; outlines of the two concave grooves correspond to the frame lips of the composite material rim; the composite material rim can be formed between a containing space encircled by the outer die and the die core; the die core can be dissolved and removed after the composite material rim is formed, so that a manufacture process can be simplified, and the composite material rim with a smooth and unfaulted surface can be provided.
Description
Technical field
The present invention relates to composite material rim technical field, particularly a kind of composite material rim, manufacture the mould of this composite material rim and use the manufacture method of this this composite material rim of Making mold.
Background technology
The tire with tire lip of bicycle must be bonded to the wheel rim with frame lip usually, by the fastening each other of tire lip and frame lip, tire is combined really with wheel rim.
Generally speaking, the manufacture of composite material rim is fitted to each other with an outer mold and a mould heart usually, composite wood is arranged repeatedly in outer mold inner surface, make composite wood by outer mold and the clamping of the mould heart, composite material rim is made again through Composition, and the wheel rim with frame lip extends towards inner bending because of frame lip, if use simple monolithic mould heart manufacture, obstruction by frame lip cannot be removed by the mould heart, therefore, the existing wheel rim with frame lip uses the mould heart of three-member type usually, as TaiWan, China patent M358068, United States Patent (USP) 7, 651, 654, United States Patent (USP) 7, 258, 402, the U.S. disclose 2012/0006470 and the U.S. person of taking off in 2010/0013119 is disclosed, the mould pericardium of this three-member type is containing a main die body and two side form bodies, the profile of these two side form bodies corresponds to two side and its frame lip of wheel rim for molding, during manufacture, first these two side form bodies are inserted in composite wood the both sides that are placed in respectively to be close to, again main die body is filled between these two side form bodies, make composite wood fully by outer mold and the clamping of the mould heart, and shaping complete after, after first main die body must being taken out, these two side form bodies sequentially could be taken out respectively in wheel rim.
But above-mentioned mould has shortcomings with wheel circle manufacturing method: first, the mould heart operation of three-member type not easily, quite bothers when especially the mould heart is taken out in the demoulding, more expends man-hour; Moreover, because the mould heart is three-member type, will inevitably gap be produced between main die body and this two side form bodies and section is poor, and easily cause the easily section of having difference and the out-of-flatness of shaping wheel rim surface, not only affect outward appearance, more may affect structural strength; In addition, because the mould heart is formed by three component combinations, the overall size of combination affects by the bonding tightness of three parts certainly, even, compared to the mould heart of one, the size of the mould heart of three-member type is subject to the impact of three parts, and considerably increase the chance of error, further, if comparatively closely filled in by main die body between these two side form bodies, the demoulding is by relative difficulty, otherwise, if support not tightr between main die body and this two side form bodies, though the demoulding is comparatively easy, have impact on dimensional accuracy and wheel rim surface smoothness widely.
Summary of the invention
The object of this invention is to provide a kind of composite material rim, manufacture the mould of this composite material rim and use the manufacture method of this this composite material rim of Making mold, quality of finished can be improved, more the mould heart can be reclaimed and make again, save the mould heart that cost also can be made as different size again.
For achieving the above object, the present invention takes following technical scheme:
The invention provides a kind of mould of composite material rim, in order to manufacture a composite material rim, wherein this composite material rim has the dual-side of both sides relative to being located at this bottom surface respectively, a bottom surface, respectively this side is extruded with the frame lip of a ribbed towards another side away from one end of this bottom surface, this mould comprises an external mold and a solid mould heart, this external mold comprises two die bodys corresponded to each other, and forms an accommodation space between these two die bodys; The composition of this mould heart comprises water-soluble resin, and the relative two sides of this mould heart on one width form a recessed chase respectively, and the profile of these two chases is corresponding with the frame lip of this composite material rim; Wherein, when this mould heart is placed in the accommodation space of this external mold, forms a gap between this mould heart and this external mold and can supply this composite material rim shaping.
The composition of the described mould heart more comprises sand.
The described mould heart is by fully mixing water-soluble resin with sand and separately forming so that mould is shaping.
The present invention more provides a kind of manufacture method using the composite material rim of above-mentioned mould, comprises following steps:
I. row's repeatedly composite wood: by inner for the wherein die body that a composite wood row is repeatedly attached at described external mold;
II. the mould heart is inserted: be placed on described composite wood by the mould heart of described mould and make this composite wood folded by described die body and the described mould heart;
III. matched moulds: closed each other by two die bodys of this external mold, makes this composite wood and this mould heart be closed in described accommodation space;
IV. shaping: to make the gap of this composite wood between this mould heart and this external mold be shaped to a composite material rim to this external mold heating pressurization, wherein this composite material rim has the dual-side of both sides relative to being located at this bottom surface respectively, a bottom surface and generally in U-shaped, respectively this side is extruded with the frame lip of a ribbed towards another side away from one end of this bottom surface;
V. the demoulding: remove this external mold, and with water this mould heart dissolved and make it to flow out.
Described composite wood is carbon cloth.
Mat said method, the present invention can provide a kind of composite material rim, has the dual-side of both sides relative to being located at this bottom surface respectively, a bottom surface and generally in U-shaped, respectively this side is extruded with the frame lip of a ribbed towards another side away from one end of this bottom surface.
The invention has the beneficial effects as follows: the mould heart provided by the present invention can be recovered and make, comparatively environmental protection more can be made as the mould heart of different size again, and made composite material rim Internal periphery not the section of having difference produce be born with level and smooth profile, dimensional accuracy is also higher.
Accompanying drawing explanation
Fig. 1 is the schematic perspective view of the mould of composite material rim of the present invention.
Fig. 2 is the schematic diagram of the manufacture method of composite material rim of the present invention.
Fig. 3 to 6 is the step schematic diagram of the manufacture method of composite material rim of the present invention.
Fig. 7 is the partial perspective view of composite material rim of the present invention.
Fig. 8 is the schematic diagram of another embodiment of the present invention.
11,12,11', 12' drawing reference numeral:: die body; 2,2': the mould heart; 21: chase; 3: composite wood; 4: composite material rim; 41: frame lip.
Detailed description of the invention
Below only with embodiment, the enforcement aspect that the present invention is possible is described, so and be not used to limit the category of the present invention institute for protection, conjunction is first chatted bright.
Please refer to Fig. 1, the invention provides a kind of mould of composite material rim, in order to manufacture a composite material rim 4 as shown in Figure 7, wherein this composite material rim 4 has the side of both sides relative to being located at this bottom surface respectively, a bottom surface and is generally U-shaped, respectively this side is extruded with the frame lip 41 of a ribbed towards another side away from one end of this bottom surface, and this mould comprises an external mold and a solid mould heart 2.
This external mold comprises two die bodys 11,12 corresponded to each other, an accommodation space is formed between these two die bodys 11,12, the composition of this mould heart 2 comprises water-soluble resin, this mould heart 2 relative two sides on one width form a recessed chase 21 respectively, the profile of these two chases 21 is corresponding with the frame lip of this composite material rim, wherein, when this mould heart 2 is placed in the accommodation space of this external mold, forms a gap between this mould heart 2 and this external mold and can supply this composite material rim shaping.In main embodiment of the present invention, the composition of this mould heart 2 more comprises sand, and to strengthen the structural strength of this mould heart 2, in practice, this mould heart 2 is by fully mixing water-soluble resin with sand and separately forming so that mould is shaping.In addition, in main embodiment of the present invention, these two die bodys 11,12 lay respectively at inner ring and outer ring and correspond to each other with radial direction, as shown in Figure 2, but these two die bodys 11', 12' also can lay respectively at the both sides in radial direction and correspond to each other with axial direction, as shown in Figure 8.
Please refer to Fig. 1 to Fig. 7, the present invention more provides a kind of manufacture method of composite material rim, uses the mould of above-mentioned composite material rim, and this manufacture method comprises following steps:
I. row's repeatedly composite wood a: composite wood 3 is arranged the wherein die body 11 being repeatedly attached at this external mold inner, more particularly, be that the in-profile attaching row of this composite wood 3 along this die body 11 is changed, as shown in Figure 3, in main embodiment of the present invention, this composite wood is carbon cloth.
II. the mould heart is inserted: the mould heart 2 of this mould is placed in this composite wood 3 and makes this composite wood 3 folded by this die body and this mould heart 2, as shown in Figure 3, wherein, the outline of this mould heart 2 correspond to this die body Internal periphery and make to produce between it preliminary dimension gap to hold and this composite wood 3 sandwiched.
III. matched moulds: two die bodys 11,12 of this external mold are closed each other, this composite wood 3 is made to be closed in this accommodation space with this mould heart 2, as shown in Figure 4, wherein the Internal periphery of another die body 12 of this external mold also corresponds to the outline of this mould heart 2, by this, this mould heart 2 can be located with this composite wood 3 clamping by two die bodys 11,12 jointly.
IV. shaping: to make the gap of this composite wood 3 between this mould heart 2 and this external mold be shaped to a composite material rim 4 as shown in Figure 7 to this external mold, this mould heart 2 and this composite wood 3 heating pressurization, wherein this composite material rim 4 has the dual-side of both sides relative to being located at this bottom surface respectively, a bottom surface and is generally U-shaped, respectively this side is extruded with the frame lip 41 of a ribbed towards another side away from one end of this bottom surface, and this frame lip 41 can complete the location of tire for a tire fastens with one tire lip.
V. the demoulding: these two die bodys 11,12 removing this external mold, as shown in Figure 5, and to be dissolved by this mould heart 2 with water or the aqueous solution and make it to flow out, as shown in Figure 6, this composite material rim just can optionally proceed other procedures.And the mould heart 2' being dissolved in the water and flowing out can be filtered easily and is separated into sand and water-soluble resin solution, and the mould heart of solid core can be made as further again, for carrying out new wheel rim fabrication schedule.
Pass through said method, owing to eliminating the mould heart of three-member type, composite material rim made by the present invention can have very level and smooth surface, avoids the intersection of the three-member type mould heart to have drop and causes wheel rim finished surface to have high low head and unsmooth, also avoiding affecting structural strength; Moreover the mould heart of the present invention can, for reclaiming and making, more also can utilize the mould of different size to be shaped to the mould heart of different size or specification time processed, for the wheel rim manufacturing different Internal periphery, save cost and comparatively environmental protection; The more important thing is, because existing three-member type mould pericardium is containing three kinds of parts, overall size after its combination is subject to the impact of three parts and easily has larger error, combination tight ness rating between three parts also have impact on the precision of size, review the mould heart provided by the present invention, shaping composite material rim Internal periphery can be made level and smooth poor without section, have more preferably dimensional accuracy, effect of real tool progress.
Claims (4)
1. the manufacture method of a composite material rim, it is characterized in that, use a Making mold, wherein this composite material rim has the dual-side of both sides relative to being located at this bottom surface respectively, a bottom surface, respectively this side is extruded with the frame lip of a ribbed towards another side away from one end of this bottom surface, this mould comprises an external mold and a solid mould heart, this external mold comprises two die bodys corresponded to each other, an accommodation space is formed between these two die bodys, the composition of this mould heart comprises water-soluble resin, the relative two sides of this mould heart on one width form a recessed chase respectively, the profile of these two chases is corresponding with the frame lip of this composite material rim, when this mould heart is placed in the accommodation space of this external mold, form a gap between this mould heart and this external mold and can supply this composite material rim shaping, the manufacture method of this composite material rim comprises following steps:
I. row's repeatedly composite wood: by inner for the wherein die body that a composite wood row is repeatedly attached at described external mold;
II. the mould heart is inserted: be placed on described composite wood by the mould heart of described mould and make this composite wood folded by described die body and the described mould heart;
III. matched moulds: closed each other by two die bodys of this external mold, makes this composite wood and this mould heart be closed in described accommodation space;
IV. shaping: to make the gap of this composite wood between this mould heart and this external mold be shaped to a composite material rim to this external mold heating pressurization, wherein this composite material rim has the dual-side of both sides relative to being located at this bottom surface respectively, a bottom surface and generally in U-shaped, respectively this side is extruded with the frame lip of a ribbed towards another side away from one end of this bottom surface;
V. the demoulding: remove this external mold, and with water this mould heart dissolved and make it to flow out;
VI. the mould heart reclaims and makes: reclaimed, be separated and be made as the new mould heart again by the mould heart dissolving outflow.
2. the manufacture method of composite material rim as claimed in claim 1, it is characterized in that, described composite wood is carbon cloth.
3. the manufacture method of composite material rim as claimed in claim 1, it is characterized in that, the composition of the described mould heart more comprises sand.
4. the manufacture method of composite material rim as claimed in claim 2, is characterized in that, the described mould heart is by fully mixing water-soluble resin with sand and separately forming so that mould is shaping.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310158598.2A CN103302873B (en) | 2013-05-02 | 2013-05-02 | Method for manufacturing composite material rim |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310158598.2A CN103302873B (en) | 2013-05-02 | 2013-05-02 | Method for manufacturing composite material rim |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103302873A CN103302873A (en) | 2013-09-18 |
| CN103302873B true CN103302873B (en) | 2015-07-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310158598.2A Expired - Fee Related CN103302873B (en) | 2013-05-02 | 2013-05-02 | Method for manufacturing composite material rim |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103963194A (en) * | 2014-05-05 | 2014-08-06 | 王明 | Forming mould and method of carbon fiber rim |
| CN108724766A (en) * | 2017-04-25 | 2018-11-02 | 翁庆隆 | The application method of carbon fibre rim and molding die and molding die |
| JP6719495B2 (en) * | 2018-03-06 | 2020-07-08 | 株式会社Ｓｕｂａｒｕ | Preform shaping method, composite material molding method and composite material |
| US11897282B2 (en) * | 2018-05-09 | 2024-02-13 | Sram, Llc | Bicycle rim and wheel |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6347839B1 (en) * | 2000-09-25 | 2002-02-19 | Polymeric Corporation The | Composite rim |
| CN102010149B (en) * | 2010-10-15 | 2013-02-13 | 航天材料及工艺研究所 | Water-soluble mould and preparation method thereof and method for forming composite material |
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| CN103302873A (en) | 2013-09-18 |
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Granted publication date: 20150708 Termination date: 20170502 |