CN117341244A - Frame forming method, carbon fiber frame and bicycle - Google Patents
Frame forming method, carbon fiber frame and bicycle Download PDFInfo
- Publication number
- CN117341244A CN117341244A CN202311154084.XA CN202311154084A CN117341244A CN 117341244 A CN117341244 A CN 117341244A CN 202311154084 A CN202311154084 A CN 202311154084A CN 117341244 A CN117341244 A CN 117341244A
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- China
- Prior art keywords
- glass fiber
- tube
- carbon fiber
- frame
- spool
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 229920000049 Carbon (fiber) Polymers 0.000 title claims abstract description 84
- 239000004917 carbon fiber Substances 0.000 title claims abstract description 84
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 title claims abstract description 83
- 238000000034 method Methods 0.000 title claims abstract description 55
- 239000003365 glass fiber Substances 0.000 claims abstract description 105
- 239000000463 material Substances 0.000 claims abstract description 40
- 238000004804 winding Methods 0.000 claims abstract description 9
- 238000010438 heat treatment Methods 0.000 claims abstract description 7
- 239000004836 Glue Stick Substances 0.000 claims description 27
- 238000000465 moulding Methods 0.000 claims description 18
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 8
- -1 polytetrafluoroethylene Polymers 0.000 claims description 7
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 7
- 238000001723 curing Methods 0.000 claims description 5
- 238000013007 heat curing Methods 0.000 claims description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 4
- 239000000741 silica gel Substances 0.000 claims description 4
- 229910002027 silica gel Inorganic materials 0.000 claims description 4
- 238000009941 weaving Methods 0.000 claims description 4
- 239000000835 fiber Substances 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000003825 pressing Methods 0.000 claims description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims 2
- 229910052799 carbon Inorganic materials 0.000 claims 2
- 230000008569 process Effects 0.000 abstract description 22
- 238000004026 adhesive bonding Methods 0.000 abstract description 12
- 238000004519 manufacturing process Methods 0.000 abstract description 9
- 230000010354 integration Effects 0.000 abstract description 3
- 238000003754 machining Methods 0.000 description 5
- 230000008859 change Effects 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 230000008093 supporting effect Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000000670 limiting effect Effects 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 229910000851 Alloy steel Inorganic materials 0.000 description 1
- 229910000861 Mg alloy Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 239000003575 carbonaceous material Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 239000000499 gel Substances 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62J—CYCLE SADDLES OR SEATS; AUXILIARY DEVICES OR ACCESSORIES SPECIALLY ADAPTED TO CYCLES AND NOT OTHERWISE PROVIDED FOR, e.g. ARTICLE CARRIERS OR CYCLE PROTECTORS
- B62J11/00—Supporting arrangements specially adapted for fastening specific devices to cycles, e.g. supports for attaching maps
- B62J11/10—Supporting arrangements specially adapted for fastening specific devices to cycles, e.g. supports for attaching maps for mechanical cables, hoses, pipes or electric wires, e.g. cable guides
- B62J11/13—Supporting arrangements specially adapted for fastening specific devices to cycles, e.g. supports for attaching maps for mechanical cables, hoses, pipes or electric wires, e.g. cable guides specially adapted for mechanical cables
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
- B29C70/68—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts by incorporating or moulding on preformed parts, e.g. inserts or layers, e.g. foam blocks
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
- B29C70/68—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts by incorporating or moulding on preformed parts, e.g. inserts or layers, e.g. foam blocks
- B29C70/681—Component parts, details or accessories; Auxiliary operations
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62K—CYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDE-CARS, FORECARS, OR THE LIKE
- B62K19/00—Cycle frames
- B62K19/02—Cycle frames characterised by material or cross-section of frame members
Abstract
The invention discloses a frame forming method, a carbon fiber frame and a bicycle, and relates to the technical field of carbon fiber bicycles, wherein the frame forming method comprises the following steps: the outer surface of the inner core mould is provided with a spool fixing groove; placing the glass fiber tube into a tube fixing groove; winding the outer surface of the inner core mold to form a carbon fiber material layer, and enabling the carbon fiber material layer to cover the glass fiber spool; performing a heating curing operation to fix the carbon fiber material layer with the glass fiber tube; and (3) extracting the inner core mould from the solidified carbon fiber material layer. Based on the method, the glass fiber tube can be formed with the frame once, compared with the mode of secondarily gluing the carbon fiber tube inside the frame after the frame is formed, the jig for fixing the tube during secondary gluing can be canceled, the process integration is simplified, the product processing time is shortened, the manufacturing cost is reduced, the connection is firmer, and the position accuracy of the glass fiber tube can be improved.
Description
Technical Field
The invention relates to the technical field of carbon fiber bicycles, in particular to a frame forming method, a carbon fiber frame and a bicycle.
Background
Besides traditional steel, aluminum and magnesium alloy, materials for manufacturing bicycles also comprise novel polymer materials represented by carbon fibers. The carbon fiber not only has the inherent intrinsic characteristics of the carbon material, but also has the soft processability of the textile fiber, and has the advantages of high strength, light weight, corrosion resistance, fatigue resistance, strong plasticity and the like.
The bicycle is provided with brake cable, speed-changing cable and other cable bodies, and in order to ensure the conciseness and beautiful appearance, a hidden inner wiring mode is generally adopted in which each cable body is arranged inside the bicycle frame. For the internal wiring process of the carbon fiber bicycle, the current industry adopts a mode of gluing the carbon fiber tube after the frame is molded, the process flow is long, the operation difficulty is high (the tube gluing can be completed by a special jig), and the processing cost is high.
Disclosure of Invention
The invention aims to provide a frame forming method, which aims to solve the technical problems that the processing cost is high due to long process flow and high operation difficulty in the mode of gluing a carbon fiber tube after frame forming is adopted in the prior internal wiring process of a carbon fiber bicycle.
The invention adopts the following technical scheme to achieve the aim of the invention:
a method of forming a vehicle frame, the method comprising the steps of:
the outer surface of the inner core mould is provided with a spool fixing groove;
placing a glass fiber tube into the tube fixing groove;
winding the outer surface of the inner core mold to form a carbon fiber material layer, and enabling the carbon fiber material layer to cover the glass fiber spool;
performing a heating curing operation to fix the carbon fiber material layer with the glass fiber tube;
and (3) extracting the inner core die from the cured carbon fiber material layer.
Further, the step of placing the glass fiber tube into the tube fixing groove includes:
sleeving the glass fiber tube on the cylindrical surface of the rubber rod;
and placing the glue stick sleeved with the glass fiber spool into the spool fixing groove.
Further, after the step of performing the heat curing operation to fix the carbon fiber material layer to the glass fiber tube, the method includes:
and pulling the rubber rod out of the glass fiber tube.
Further, after the step of placing the glue stick with the glass fiber tube fitted therein in the tube fixing groove, the method includes:
at least one end of the rubber rod extends outwards from the corresponding end part of the spool fixing groove.
Further, the glue stick is made of silica gel.
Further, the rubber rod is made of polytetrafluoroethylene.
Further, the step of sleeving the glass fiber tube on the cylindrical surface of the glue stick comprises the following steps:
forming the glass fiber spool by weaving glass fiber yarns;
and the rubber rod is arranged in the inner cavity of the glass fiber tube in a penetrating way.
Further, the spool fixing groove is integrally formed on the outer surface of the inner core die.
Further, after the step of placing the glass fiber tube in the tube fixing groove, the method comprises the steps of:
a reserved gap is formed between the spool fixing groove and a partial area of the glass fiber spool, wherein the reserved gap is 0.18-0.22 mm;
after the step of winding the carbon fiber material layer around the outer surface of the inner core mold to form the carbon fiber material layer and wrapping the glass fiber tube with the carbon fiber material layer, the method comprises the following steps:
and pressing the glass fiber spool into the spool fixing groove through the carbon fiber material layer.
Correspondingly, the invention also provides a carbon fiber frame, which is manufactured by adopting the frame molding method.
Correspondingly, the invention also provides a bicycle, which comprises the carbon fiber frame.
Compared with the prior art, the invention has the beneficial effects that:
according to the frame molding method provided by the invention, the glass fiber tube can be molded with the frame once, so that the traditional mode of independently molding the carbon fiber tube after the frame is molded and then secondarily gluing the tube inside the frame can be replaced, a special molding die designed for the independent molding process of the carbon fiber tube and a jig used for fixing the tube in the secondary gluing process can be omitted, the process integration is simplified, the product manufacturing process time is shortened, the manufacturing cost is reduced, the instability of the gluing mode can be avoided, and the connection between the glass fiber tube and the frame is firmer; in addition, because the glass fiber spool can be positioned through the spool fixing groove on the inner core mold in the forming process, the position accuracy of the glass fiber spool can be improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of an internal structure of a carbon fiber frame according to an embodiment of the present invention;
FIG. 2 is a schematic view of the overall structure of an embodiment of a carbon fiber frame according to the present invention;
FIG. 3 is a schematic view of the cross-sectional structure at A-A in FIG. 2;
FIG. 4 is a schematic flow chart of an embodiment of a method for forming a frame according to the present invention;
fig. 5 is a schematic flow chart of another embodiment of the frame forming method of the present invention.
Reference numerals illustrate:
| reference numerals | Name of the name | Reference numerals | Name of the name |
| 1 | Inner core mould | 4 | Glue stick |
| 2 | Glass fiber spool | 11 | Spool fixed slot |
| 3 | Carbon fiber material layer |
The achievement of the objects, functional features and advantages of the present invention will be further described with reference to the accompanying drawings, in conjunction with the embodiments.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
It should be noted that, if a directional indication (such as up, down, left, right, front, and rear … …) is involved in the embodiment of the present invention, the directional indication is merely used to explain the relative positional relationship, movement condition, etc. between the components in a specific posture, and if the specific posture is changed, the directional indication is correspondingly changed.
In addition, if there is a description of "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, if "and/or" and/or "are used throughout, the meaning includes three parallel schemes, for example," a and/or B "including a scheme, or B scheme, or a scheme where a and B are satisfied simultaneously. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present invention.
In the traditional internal wiring process of the carbon fiber bicycle, the carbon fiber frame and the carbon fiber wire tube are required to be respectively and independently molded, and then the molded carbon fiber wire tube is secondarily glued inside the molded carbon fiber frame; the independent forming process of the carbon fiber tube needs to design a special forming die, and the secondary gluing process of the carbon fiber tube needs to be completed by means of a tube fixing jig, so that the process is complex and tedious, and the manufacturing cost of the carbon fiber bicycle is high.
In order to solve the above-mentioned problems, an embodiment of the present invention correspondingly provides a method for forming a vehicle frame, referring to fig. 1 to 4, the method for forming a vehicle frame includes the following steps:
the outer surface of the inner core mould 1 is provided with a spool fixing groove 11;
placing the glass fiber tube 2 into the tube fixing groove 11;
winding the outer surface of the inner core mold 1 to form a carbon fiber material layer 3, and enabling the carbon fiber material layer 3 to cover the glass fiber tube 2;
performing a heat curing operation to fix the carbon fiber material layer 3 with the glass fiber tube 2;
the inner core mold 1 is pulled away from the cured carbon fiber material layer 3.
Specifically, the outline of the outer surface of the inner core mold 1 is set according to the shape of the bicycle frame, and the trend of the spool fixing groove 11 can be specifically set according to the preset wiring paths of the brake wire, the speed change wire and other wire bodies on the bicycle; the spool fixing groove 11 may be machined on the outer surface of the inner core mold 1 by machining or the like after the inner core mold 1 is molded, or may be integrally molded with the inner core mold 1, and may be flexibly selected according to specific machining conditions in the practical application process, which is not limited herein.
The inner cavity of the glass fiber tube 2 is used for laying a brake cable, a speed change cable and other wire bodies; the glass fiber tube 2 can be directly placed in the tube fixing groove 11, or can be placed in the tube fixing groove 11 by other positioning pieces and shaping pieces, and can be flexibly selected according to specific processing conditions in the practical application process, and the glass fiber tube is not limited herein.
As shown in fig. 4, after the carbon fiber material layer 3 is wound on the outer surface of the inner core mold 1, the carbon fiber material layer 3 is bonded to the outer pipe wall of the portion of the glass fiber strand 2 exposed to the strand fixing groove 11; an operator can put the inner core mould 1, the glass fiber spool 2 and the carbon fiber material layer 3 into high-temperature equipment together for heating operation, so that the carbon fiber and the resin layer on the surface of the glass fiber are solidified at high temperature, and the carbon fiber material layer 3 and the glass fiber spool 2 are mutually fixed and integrated; at this time, the cured carbon fiber material layer 3 forms a carbon fiber frame body, and the cured glass fiber tube 2 forms a tubular structure fixed on the inner wall of the carbon fiber frame body; the inner core mould 1 is denatured under the action of high temperature, so that an operator can conveniently withdraw the inner core mould 1 from any opening of the carbon fiber frame body after the heating and curing operation. In the subsequent vehicle assembly process, the wire bodies such as the brake wire, the speed change wire and the like can penetrate into the inner cavity of the glass fiber tube 2 so as to store the wire bodies in the frame, thereby avoiding influence on the appearance and riding of a user caused by exposure of excessive wire bodies and realizing hidden inner wiring of the carbon fiber frame.
Therefore, the frame molding method provided by the embodiment can mold the glass fiber tube 2 and the frame once, so that the traditional mode of independently molding the carbon fiber tube after molding the frame and secondarily gluing the carbon fiber tube inside the frame can be replaced, a special molding die designed for the independent molding process of the carbon fiber tube and a jig used for fixing the tube in the secondary gluing process can be omitted, the process integration is simplified, the product manufacturing time is shortened, the manufacturing cost is reduced, the instability of the gluing mode can be avoided, and the glass fiber tube 2 and the frame are more firmly connected; in addition, since the glass fiber strand 2 can be positioned by the strand fixing groove 11 on the inner core mold 1 during molding, the positional accuracy of the glass fiber strand 2 can be improved.
Optionally, referring to fig. 1 to 3, after the step of placing the glass fiber tube 2 in the tube fixing groove 11, it includes:
a reserved gap is arranged between the spool fixing groove 11 and a part of the area of the glass fiber spool 2, and the reserved gap is 0.18-0.22 mm;
after the step of winding the carbon fiber material layer 3 around the outer surface of the inner core mold 1 and wrapping the glass fiber tube 2 with the carbon fiber material layer 3, it includes:
the glass fiber spool 2 is pressed into the spool fixing groove 11 through the carbon fiber material layer 3.
Specifically, the diameter of the spool fixing groove 11 may be set to be slightly larger than the pipe diameter of the glass fiber spool 2 so that a gap of 0.18 to 0.22mm is provided between the spool fixing groove 11 and a partial area of the surface of the glass fiber spool 2 after the glass fiber spool 2 is put into the spool fixing groove 11; so can guarantee that spool fixed slot 11 forms effective positioning action to glass fiber spool 2 in, make glass fiber spool 2 have certain adjustable space relative to spool fixed slot 11 to more be convenient for carry out the position adjustment to the glass fiber spool 2 of placing in spool fixed slot 11, and can avoid spool fixed slot 11 to lead to the fact wearing and tearing to glass fiber spool 2. After the glass fiber spool 2 is adjusted, carbon fiber can be wound on the surface of the inner core mold 1, so that the glass fiber spool 2 is pressed in the spool fixing groove 11 through the carbon fiber material layer 3 formed by winding, and the relative fixation between the glass fiber spool 2 and the spool fixing groove 11 is realized.
Alternatively, referring to fig. 1, 2, 3 and 5, in another embodiment, the step of placing the glass fiber spool 2 into the spool fixation groove 11 includes:
sleeving the glass fiber tube 2 on the cylindrical surface of the glue stick 4;
the glue stick 4 fitted with the glass fiber tube 2 is placed in the tube fixing groove 11.
Optionally, referring to fig. 1, 2, 3 and 5, after the step of performing a heat curing operation to fix the carbon fiber material layer 3 to the glass fiber tube 2, it includes:
the glue stick 4 is pulled out of the glass fiber tube 2.
In the above embodiment, by providing the glue stick 4, the supporting effect of the glue stick 4 on the glass fiber tube 2 can be utilized, and the glass fiber tube 2 is prevented from being deformed by compression in the process of winding the carbon fiber material layer 3 on the outer surface of the inner core mold 1, so that the shape and size of the inner cavity of the glass fiber tube 2 can be maintained, and the subsequent operation of threading the wire body into the inner cavity of the glass fiber tube 2 can be ensured to be smoothly performed.
Alternatively, referring to fig. 1 to 3, after the step of placing the glue stick 4 fitted with the glass fiber tube 2 into the tube fixing groove 11, it includes:
at least one end of the glue stick 4 is made to protrude outwards from the corresponding end of the spool fixation groove 11.
Specifically, at least one end of the glue stick 4 may extend outwards from the corresponding end of the spool fixing groove 11 to the outside of the frame; in a preferred embodiment, both ends of the glue stick 4 extend beyond the frame, which makes it easier to pull the glue stick 4 out of the glass fiber tube 2 after the heat curing operation.
Alternatively, referring to fig. 1 to 3, in one embodiment, the glue stick 4 is made of silica gel; in particular, the silica gel has good high temperature stability, so that the gel rod 4 can still maintain basic flexibility, rebound resilience and other mechanical properties under the high temperature environment in the heating and curing process, thereby stably maintaining the supporting and limiting effects on the inner cavity of the glass fiber tube 2.
Alternatively, referring to fig. 1 to 3, in another embodiment, the glue stick 4 is made of polytetrafluoroethylene (teflon); specifically, polytetrafluoroethylene has good high-temperature stability, and even if the polytetrafluoroethylene is in a high-temperature state for a long time, the polytetrafluoroethylene does not fall off, crack and the like, so that the rubber rod 4 can stably maintain the supporting and limiting functions on the inner cavity of the glass fiber tube 2; the polytetrafluoroethylene has good anti-adhesion performance, and can avoid adhesion between the glue stick 4 and the glass fiber tube 2, so that the glue stick 4 is more convenient to pull out from the glass fiber tube 2 after the heating and curing operation; in addition, polytetrafluoroethylene has the advantage of lower production cost.
Alternatively, referring to fig. 1 to 3, the step of fitting the glass fiber tube 2 over the cylindrical surface of the glue stick 4 comprises:
forming a glass fiber spool 2 by weaving glass fiber yarns;
the glue stick 4 is arranged in the inner cavity of the glass fiber tube 2 in a penetrating way.
When the glass fiber tube 2 is made of glass fiber, the glass fiber tube 2 can be formed by weaving glass fiber wires into glass fiber tubes in advance, cutting the woven glass fiber tubes to a preset length and then coating resin; the glue stick 4 is then inserted into the inner cavity of the glass fiber tube 2, and the glass fiber tube 2 is placed in the tube fixing groove 11 by means of the glue stick 4. When the glass fiber tube 2 adopts glass fibers, the complicated coiling operation can be omitted, thereby reducing the workload and the processing cost.
Alternatively, referring to fig. 1 to 3, the spool fixing groove 11 is integrally formed to the outer surface of the core mold 1 by a corresponding forming mold; compared with the mode that the spool fixing groove 11 is machined on the surface of the inner core mould 1 through machining means after the inner core mould 1 is formed, the integral forming mode can better ensure the accuracy of the relative position between the spool fixing groove 11 and the inner core mould 1, and can improve the machining efficiency and reduce the machining cost during mass production.
Correspondingly, referring to fig. 1 to 3, the embodiment of the invention further provides a carbon fiber frame, which is manufactured by adopting the frame molding method in any one of the embodiments. Specifically, the carbon fiber material layer 3 after being heated and solidified by the frame molding method forms a carbon fiber frame body, and the glass fiber spool 2 forms a tubular structure fixed on the inner wall of the carbon fiber frame body; in the subsequent vehicle assembly process, the wire bodies such as the brake wire, the speed change wire and the like can penetrate into the inner cavity of the glass fiber tube 2 so as to store the wire bodies in the frame, thereby avoiding influence on the appearance and riding of a user caused by exposure of excessive wire bodies and realizing hidden inner wiring of the carbon fiber frame.
The carbon fiber frame provided in this embodiment adopts all the technical solutions of all the embodiments, so at least the carbon fiber frame has all the beneficial effects brought by the technical solutions of the embodiments, and will not be described in detail herein.
Correspondingly, the embodiment of the invention also provides a bicycle, which comprises the carbon fiber frame in any embodiment. The bicycle provided in this embodiment adopts all the technical solutions of all the embodiments, so at least the bicycle has all the beneficial effects brought by the technical solutions of the embodiments, and the technical solutions are not repeated here.
It should be noted that, the frame forming method, the carbon fiber frame and other contents of the bicycle disclosed by the invention can be referred to the prior art, and are not repeated here.
The foregoing is only an optional embodiment of the present invention, and is not limited to the scope of the patent application, and all equivalent structural changes made by the description of the present invention and the accompanying drawings or direct/indirect application in other related technical fields are included in the scope of the patent application.
Claims (10)
1. The frame forming method is characterized by comprising the following steps of:
the outer surface of the inner core mould is provided with a spool fixing groove;
placing a glass fiber tube into the tube fixing groove;
winding the outer surface of the inner core mold to form a carbon fiber material layer, and enabling the carbon fiber material layer to cover the glass fiber spool;
performing a heating curing operation to fix the carbon fiber material layer with the glass fiber tube;
and (3) extracting the inner core die from the cured carbon fiber material layer.
2. The frame molding method of claim 1, wherein the step of placing a glass fiber tube into the tube holding groove comprises:
sleeving the glass fiber tube on the cylindrical surface of the rubber rod;
and placing the glue stick sleeved with the glass fiber spool into the spool fixing groove.
3. The frame molding method according to claim 2, wherein after the step of performing a heat curing operation to fix the carbon fiber material layer to the glass fiber tube, comprising:
and pulling the rubber rod out of the glass fiber tube.
4. The frame molding method according to claim 2, wherein after the step of placing the glue stick fitted with the glass fiber tube into the tube fixing groove, comprising:
at least one end of the rubber rod extends outwards from the corresponding end part of the spool fixing groove.
5. The method of claim 2, wherein the glue stick is made of silica gel;
or the rubber rod is made of polytetrafluoroethylene.
6. The method of forming a vehicle frame of claim 2, wherein the step of fitting the glass fiber tube over the cylindrical surface of the glue stick comprises:
forming the glass fiber spool by weaving glass fiber yarns;
and the rubber rod is arranged in the inner cavity of the glass fiber tube in a penetrating way.
7. The frame molding method according to any one of claims 1 to 6, wherein the spool fixing groove is integrally molded to an outer surface of the inner core mold.
8. The frame molding method according to any one of claims 1 to 6, characterized by comprising, after the step of placing a glass fiber tube in the tube fixing groove:
a reserved gap is formed between the spool fixing groove and a partial area of the glass fiber spool, wherein the reserved gap is 0.18-0.22 mm;
after the step of winding the carbon fiber material layer around the outer surface of the inner core mold to form the carbon fiber material layer and wrapping the glass fiber tube with the carbon fiber material layer, the method comprises the following steps:
and pressing the glass fiber spool into the spool fixing groove through the carbon fiber material layer.
9. A carbon fibre frame, characterized in that the carbon fibre frame is manufactured by the frame forming method according to any one of claims 1 to 8.
10. A bicycle comprising the carbon fiber frame of claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311154084.XA CN117341244A (en) | 2023-09-07 | 2023-09-07 | Frame forming method, carbon fiber frame and bicycle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311154084.XA CN117341244A (en) | 2023-09-07 | 2023-09-07 | Frame forming method, carbon fiber frame and bicycle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117341244A true CN117341244A (en) | 2024-01-05 |
Family
ID=89368089
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311154084.XA Pending CN117341244A (en) | 2023-09-07 | 2023-09-07 | Frame forming method, carbon fiber frame and bicycle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117341244A (en) |
-
2023
- 2023-09-07 CN CN202311154084.XA patent/CN117341244A/en active Pending
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