CN114434825A - Forming device and forming method for carbon fiber frame - Google Patents
Forming device and forming method for carbon fiber frame Download PDFInfo
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- CN114434825A CN114434825A CN202210020252.5A CN202210020252A CN114434825A CN 114434825 A CN114434825 A CN 114434825A CN 202210020252 A CN202210020252 A CN 202210020252A CN 114434825 A CN114434825 A CN 114434825A
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- 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
- B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
- B29C70/28—Shaping operations therefor
- B29C70/30—Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or core; Shaping by spray-up, i.e. spraying of fibres on a mould, former or core
- B29C70/34—Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or core; Shaping by spray-up, i.e. spraying of fibres on a mould, former or core and shaping or impregnating by compression, i.e. combined with compressing after the lay-up operation
- B29C70/342—Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or core; Shaping by spray-up, i.e. spraying of fibres on a mould, former or core and shaping or impregnating by compression, i.e. combined with compressing after the lay-up operation using isostatic pressure
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- 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
- B29C33/00—Moulds or cores; Details thereof or accessories therefor
- B29C33/38—Moulds or cores; Details thereof or accessories therefor characterised by the material or the manufacturing process
- B29C33/3842—Manufacturing moulds, e.g. shaping the mould surface by machining
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/30—Vehicles, e.g. ships or aircraft, or body parts thereof
- B29L2031/3091—Bicycles
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Composite Materials (AREA)
- Moulding By Coating Moulds (AREA)
Abstract
The invention discloses a forming and processing device and a forming and processing method of a carbon fiber frame, wherein the forming and processing device of the carbon fiber frame comprises a mold and a combined model; the mold comprises a mold cover and a bottom mold, the mold cover is hinged with the bottom mold, and the mold cover covers the bottom mold; the bottom die is provided with a die cavity; a movable block is also arranged between the die cover and the bottom die; when the mold cover is close to the bottom mold, the movable block is pushed, and a positioning hole is formed in the movable block; the combined model comprises a motor cavity and an inner core model, and the motor cavity model is sleeved on the outer surface of the inner core model; the combined model is positioned in the cavity; the combined model is used for rolling the carbon fiber cloth; an air bag is arranged in the inner core model and used for supporting the inner core model. A forming processing method of a carbon fiber frame comprises the following processing steps: cutting the carbon fiber cloth; 3D printing motor die cavity: the motor cavity is combined with the inner core model; rolling the carbon fiber cloth; preforming; and (5) molding. The technical scheme of the invention reduces the probability of the product having the problems of influencing strength and quality.
Description
Technical Field
The invention relates to the field of carbon fiber production and forming, in particular to a forming and processing device and a forming and processing method for a carbon fiber frame.
Background
The material of bicycle is not only chromium molybdenum steel which is used in the past, but also iron, aluminum, titanium, carbon fiber, magnesium and the like, which are new materials, namely carbon fiber. Carbon fibers not only have the intrinsic properties of carbon materials, but also have the soft processability of textile fibers. It has a specific gravity lower than 1/4 for steel, but very strong strength. And the corrosion resistance of the fiber is similar and extracted, and the fiber is a new generation of reinforced fiber and has the characteristics of light material, high strength, high performance and oxidation resistance. When the carbon fiber cloth is used for producing the electric bicycle, the structure of a motor part is complex, and the shape is different; the part is the core strength part of the frame and bears the whole weight of the electric bicycle, so that the required strength of the motor part is high and the performance is good; the existing forming technology of the motor part adopts a PU film as an inner core of a mould, and carbon fiber coiling is carried out on the outer surface of the PU film; then, adopting an iron movable block to extrude and form during molding; because the PU film needs to penetrate into the air bag in the shaping process, the air bag is supported in the PU film after being inflated, the PU film is easy to deform in the heating and shaping process, so that carbon fiber cloth attached to the surface is not smooth, and finally the problems of yarn clamping, inward folding, shape missing and extremely unstable strength are generated after the product is shaped; if the number of layers of the coil stock is increased, the cost of the product material is inevitably increased, and the weight of the product is increased, so that the special characteristics of the carbon fiber material are lost.
Disclosure of Invention
The invention mainly aims to provide a forming device and a forming method for a carbon fiber frame, aiming at reducing the conditions of yarn clamping, inward folding and shape missing after a product is formed and ensuring the strength and the performance of the frame.
In order to achieve the above object, the present invention provides a forming device for carbon fiber frames, comprising:
the die comprises a die cover and a bottom die, wherein the die cover is hinged with the bottom die, and the die cover covers the bottom die; the bottom die is provided with a die cavity; a movable block is also arranged between the die cover and the bottom die; when the mold cover is close to the bottom mold, the movable block is pushed, and a positioning hole is formed in the movable block;
the combined model comprises a motor cavity and an inner core model, and the motor cavity model is sleeved on the outer surface of the inner core model; the combined model is positioned in the cavity; the combined model is used for rolling the carbon fiber cloth; an air bag is arranged in the inner core model and is used for supporting the inner core model;
and the three-dimensional printer is used for printing the motor cavity.
Preferably, the motor cavity is a plastic solid shell; the motor cavity is internally provided with a cavity, the shape of the cavity is the same as that of the motor part of the inner core model, and the motor part of the inner core model is clamped into the cavity.
Preferably, the inner core model is made of a plastic film.
Preferably, the carbon fiber frame forming processing device is adopted; the method comprises the following steps:
cutting the carbon fiber cloth;
printing a three-dimensional cavity model with a fixed form by using a three-dimensional printer according to the motor part structure of a design drawing to obtain a motor cavity;
sleeving the motor cavity model on an inner core model of the whole frame, and attaching the motor cavity model to a motor part of the inner core model to obtain a combined model;
rolling the cut carbon fiber carbon material on the outer surface of the combined model layer by layer, and rolling the carbon fiber cloth at the position of the motor on the outer surface of the cavity of the motor;
penetrating an air bag into the rolled combined model, and placing the air bag into a mold cavity of a mold;
closing the mold and connecting the air bag with an inflating device; setting the setting environmental parameters of the interior of the mold; and obtaining the carbon fiber frame after molding.
Preferably, the step of cutting the carbon fiber cloth comprises:
and cutting the carbon fiber cloth into a plurality of flaky carbon fiber cloths in different shapes by using laser equipment according to a design drawing.
Preferably, after the step of rolling the cut carbon fiber carbon material layer by layer on the outer surface of the combined model and the step of rolling the carbon fiber cloth at the motor part on the outer surface of the motor cavity, the method further comprises the following steps of: the rolled combined model needs to be subjected to outer diameter measurement and pound weight, and outer diameter and weight recording are carried out.
Preferably, after the steps of measuring the outer diameter and the pound weight and recording the outer diameter and the weight, the rolled combined model further comprises the following steps: when the rolled combined model is placed into a mold, parts which need to be connected with the motor part into a whole are placed into the mold and well spliced, and the mold is closed after the parts are glued at the splicing part.
Preferably, after the step of rolling the cut carbon fiber carbon material layer by layer on the outer surface of the combined model and the step of rolling the carbon fiber cloth at the motor part on the outer surface of the motor cavity, the method further comprises the following steps of: before the rolled combined model is placed into a mold, a mold release agent needs to be brushed in a mold cavity; and then putting the rolled combined model into a mould for high-temperature compaction molding.
Preferably, the step of closing the mold comprises: the mold cover is close to the bottom mold to cover the bottom mold, and the movable block in the mold moves to be close to the combined model; and closing the mold when the movable block abuts against the motor part of the inner core model, and inflating the air bag after fixing the movable block by using the bolt.
Preferably, the mold is closed, and the air bag is connected with an inflating device; setting the setting environmental parameters in the mold; the step of obtaining the carbon fiber frame after molding comprises the following steps: the end part of the air bag is provided with an air nozzle which is connected with external inflating equipment; before heating and shaping, external inflation equipment inflates the air bag to inflate the air bag, and the air bag is drawn out until the carbon fiber frame is formed.
According to the technical scheme, the motor cavity is printed by the three-dimensional printer, the motor cavity is sleeved outside the inner core model, and carbon fiber cloth is rolled in the combined model, so that the problems that the carbon fiber cloth is unsmooth in material in the shaping process, and the yarn clamping, the yarn sliding, the inward folding, the shape missing and the like are caused after the product is shaped are avoided; the motor cavity printed by the three-dimensional printer has a fixed shape, so that the deformation is not easy to occur in the shaping and heat preservation processes, and the carbon fiber cloth is tightly attached to the outer surface of the motor cavity from the rolling to the shaping; meanwhile, the inner core model is opened when the air bag is expanded, and the shape of the inner core model is further fixed, so that the inner core model is more closely attached to the motor cavity, and the condition that the connection part is internally folded or is not smoothly connected is avoided; therefore, the problems of yarn clamping, yarn sliding, inward folding, shape missing and the like of the produced finished product can be avoided to the greatest extent only by controlling the shape of the carbon fiber cloth in the rolling process.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
Fig. 1 is a schematic structural view of an embodiment of a forming device for a carbon fiber frame according to the present invention.
Fig. 2 is a schematic structural view of a combined model of the forming device for carbon fiber vehicle frames according to the present invention.
Fig. 3 is a schematic structural view of a motor cavity of the carbon fiber frame forming device.
Fig. 4 is a schematic structural view of a carbon fiber frame of the forming device for a carbon fiber frame of the present invention.
Fig. 5 is a processing flow diagram of the forming processing method of the carbon fiber frame of the invention.
The reference numbers illustrate:
| reference numerals | Name (R) | Reference numerals | Name (R) |
| 1 | Die set | 21 | |
| 11 | Bottom die | 22 | |
| 12 | |
100 | |
| 2 | Combined model |
The implementation, functional features and advantages of the objects of the present invention will be further described with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that if directional indications (such as up, down, left, right, front, and back … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative positional relationship between the components, the motion situation, and the like in a specific posture, and if the specific posture is changed, the directional indications are changed accordingly.
In addition, if there is a description of "first", "second", etc. in an embodiment 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 relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the feature. In addition, if the meaning of "and/or" and/or "appears throughout, the meaning includes three parallel schemes, for example," A and/or B "includes scheme A, or scheme B, or a scheme satisfying both schemes A and B. In addition, technical solutions between the embodiments may be combined with each other, but must be based on the realization of the technical solutions by a person skilled in the art, and when the technical solutions are contradictory to each other or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
The invention provides a forming device and a forming method for a carbon fiber frame.
Referring to fig. 1 to 4, in an embodiment of the present invention, a forming device for a carbon fiber frame 100 includes:
the die 1 comprises a die cover and a bottom die 11, the die cover is hinged with the bottom die 11, and the die cover covers the bottom die 11; the bottom die 11 is provided with a die cavity; a movable block 12 is also arranged between the die cover and the bottom die 11; when the mold cover is close to the bottom mold 11, the movable block 12 is pushed, and a positioning hole is formed in the movable block 12;
the combined model 2 comprises a motor cavity 21 and an inner core model 22, wherein the motor cavity 21 is sleeved on the outer surface of the inner core model 22; the combined model 2 is positioned in the cavity; the combined model 2 is used for rolling carbon fiber cloth; an air bag is arranged in the inner core model 22 and is used for supporting the inner core model 22;
and the three-dimensional printer is used for printing the motor cavity 21.
By adopting a three-dimensional printer to print the motor cavity 21 and sleeving the motor cavity 21 outside the inner core model 22, and by rolling the carbon fiber cloth on the combined model 2, the adverse phenomena of yarn clamping, yarn sliding, inward folding, shape missing and the like caused by unsmooth materials of the carbon fiber cloth in the shaping process are avoided; the motor cavity 21 printed by the three-dimensional printer has a fixed shape, deformation is not easy to occur in the shaping and heat preservation processes, and the carbon fiber cloth is tightly attached to the outer surface of the motor cavity 21 from rolling to shaping; meanwhile, the inner core model 22 is unfolded when the air bag is expanded, and the shape of the inner core model 22 is further fixed, so that the inner core model 22 is more closely attached to the motor cavity 21, and the condition that the connection part is internally folded or is not smoothly connected is avoided; therefore, the problems of yarn clamping, yarn sliding, inward folding, shape missing and the like of the produced carbon fiber frame 100 can be avoided to the greatest extent only by controlling the shape of the carbon fiber cloth in the rolling process.
Preferably, the motor cavity 21 is a solid shell printed with a plastic material; the motor cavity 21 is internally provided with a cavity, the shape of the cavity is the same as that of the motor part of the inner core model 22, and the motor part of the inner core model 22 is clamped into the cavity.
Three-dimensional printing technology (3D stereoscopic printing technology) is one of the rapid prototyping technologies, also known as additive manufacturing, and is a technology for constructing an object by using an adhesive material such as powdered metal or plastic and the like in a layer-by-layer printing manner on the basis of a digital model file; modeling is carried out through computer modeling software, and the built three-dimensional model is partitioned into sections layer by layer, namely slices, so as to guide a printer to print layer by layer; the motor part has a complex structure and different shapes, and a more accurate motor cavity 21 can be produced by a 3D printing technology, so that a foundation is laid for subsequent carbon fiber cloth rolling and shaping. Preferably, the motor cavity 21 is made of hard polyurethane plastic, has the characteristics of light weight, sound insulation, excellent heat insulation performance, chemical resistance and the like, plays a supporting role in the heat insulation and pressure maintaining shaping process, and is not easy to deform.
Preferably, the core mold 22 is made of a plastic film. The film core model 22 is made of soft polyurethane, mainly has a thermoplastic linear structure, and has better stability, chemical resistance, resilience and mechanical property than PVC foam materials. In the shaping and supporting process, the concave or convex part of the complex structure part at the motor part is not easy to be expanded and supported out by the air bag, so that the carbon fiber cloth on the surface is easy to have the bad conditions of yarn clamping, yarn sliding, inward folding, shape missing and the like; but the ductility of the carbon fiber cloth at the position of the motor is ensured by matching with the motor type cavity 21 for 3D printing, so that the problems of poor quality and the like of a finished carbon fiber frame 100 can be avoided.
Preferably, a forming processing device of the carbon fiber frame 100 is adopted; the method comprises the following steps:
s100: cutting the carbon fiber cloth;
s200: printing a three-dimensional cavity model with a fixed form by using a three-dimensional printer according to the motor part structure of a design drawing to obtain a motor cavity 21;
s300: sleeving the motor cavity 21 model on the integral inner core model 22 of the frame, and attaching the motor cavity 21 to the motor part of the inner core model 22 to obtain a combined model 2;
s400: the cut carbon fiber carbon materials are rolled on the outer surface of the combined model 2 layer by layer, and carbon fiber cloth at the position of the motor is rolled on the outer surface of a motor cavity 21;
s500: penetrating an air bag into the rolled combined model 2, and placing the air bag into a mould cavity of the mould 1;
s600: closing the mould 1 and connecting the air bag with an inflating device; setting the setting environmental parameters of the interior of the mold 1; after molding, the carbon fiber frame 100 is obtained.
Preferably, the step of cutting the carbon fiber cloth comprises: and cutting the carbon fiber cloth into a plurality of flaky carbon fiber cloths with different shapes by adopting laser equipment according to a design drawing. The carbon fiber cloth is woven into carbon fiber yarns through a yarn weaving process, the carbon fiber yarns are cut according to a design drawing after the carbon cloth is soaked in a resin solution, and each piece of flaky carbon fiber cloth is labeled in detail; the large carbon fiber cloth is cut into pieces which are easy to operate and then spliced.
Preferably, the carbon fiber cloth is tightly attached to each other and has no bubbles when being rolled; the carbon fiber cloth rolled on the motor cavity 21 avoids yarn clamping. When the carbon fiber cloth is rolled and wound, adjacent carbon fiber cloth strips are wound in a staggered manner, so that the layers are tightly combined; meanwhile, the complex structure of the motor part needs to be careful to avoid the condition of folding or lacking the shape, and the carbon fiber cloth can be completely covered on the surface of the combined model 2.
Preferably, after the step of rolling the cut carbon fiber carbon material layer by layer on the outer surface of the combined model 2 and the step of rolling the carbon fiber cloth at the motor part on the outer surface of the motor cavity 21, the method further comprises the following steps: the rolled combined model 2 needs to be subjected to outer diameter measurement and pound weight, and outer diameter and weight recording are carried out.
One of the important characteristics of carbon fiber cloth is light weight; increase then must make product material cost increase when the volume material number of piles increases, still can make the product weight overweight simultaneously, lose the special light characteristic of matter of carbon fiber material, consequently need record the model external diameter and weight after the system of book is accomplished, avoid consequently rolling the in-process, carbon fiber portion cloth winding situation is not good, and leads to the volume material number of piles to increase for the external diameter and the quality of the combination model 2 after rolling up all exceed design standard.
Preferably, after the steps of measuring the outer diameter and the pound weight, and recording the outer diameter and the weight, the rolled combined model 2 further comprises the following steps: when the rolled combined model 2 is placed into the mold 1, parts which need to be connected with the motor part into a whole are placed into the mold 1 to be spliced, and the mold 1 is closed after gluing is carried out at the spliced part. In the forming process of the carbon fiber frame 100, embedded parts are arranged in the mold cavity of the mold 1; are connected into a whole in the forming process.
Preferably, after the step of rolling the cut carbon fiber carbon material layer by layer on the outer surface of the combined model 2 and the step of rolling the carbon fiber cloth at the motor part on the outer surface of the motor cavity 21, the method further comprises the following steps: before the rolled combined model 2 is placed into the mould 1, a mold release agent needs to be brushed in the mould cavity; and then the rolled combined model 2 is put into a mould 1 for high-temperature compaction forming. The release agent has the function of enabling the molded carbon fiber frame 100 to be easily released from the mold, and the carbon fiber frame 100 is easily damaged or deformed due to the fact that the carbon fiber frame 100 needs to be released from the mold by external force if the carbon fiber frame is not smoothly released from the mold.
Preferably, the step of closing the mould 1 comprises: the mold cover is close to the bottom mold 11 to cover the bottom mold 11, and the movable block 12 in the mold 1 moves to be close to the combined mold 2; when the movable block 12 abuts against the motor part of the inner core model 22, the mold 1 is closed, and the movable block 12 is fixed by the bolt, and then the air bag is inflated.
In the process of closing the mold cover of the mold 1, the movable block 12 is pushed to move the movable block 12 close to the motor part of the inner core mold 22, when the mold cover is completely closed, the movable block 12 abuts against the inner core mold 22, at this time, the position of the movable block 12 is fixed through a bolt, a guide pillar or a positioning pin, and meanwhile, the mold cover is fixed. The movable block 12 has the function of fixing and extruding the combined model 2, and is beneficial to later shaping.
Preferably, the closing of the mould 1 and the connection of the airbag to the inflation device; setting the setting environmental parameters of the interior of the mold 1; the step of obtaining the carbon fiber frame 100 after molding includes: the end part of the air bag is provided with an air tap, and the air tap is connected with external inflation equipment; before the heating and shaping, the external inflating equipment inflates the air bag to inflate the air bag, and the air bag is drawn out until the carbon fiber frame 100 is formed.
After the air nozzle is connected with external inflation equipment, ventilation inspection is needed to detect whether the air bag and the air nozzle are partially leaked, the inner core model 22 is not supported by the expanded air bag due to the surface leakage, and the carbon fiber cloth is deformed in the shaping process, so that the carbon fiber frame 100 finished product is deformed, clamped and slushed. The air bag is made of polyethylene plastic.
According to the technical scheme, the motor cavity 21 is printed by the three-dimensional printer, the motor cavity 21 is sleeved outside the inner core model 22, and carbon fiber cloth is rolled on the combined model 2, so that the adverse phenomena of yarn clamping, yarn sliding, inward folding, shape missing and the like caused by unsmooth materials of the carbon fiber cloth in the shaping process are avoided; the motor cavity 21 printed by the three-dimensional printer has a fixed shape, deformation is not easy to occur in the shaping and heat preservation processes, and the carbon fiber cloth is tightly attached to the outer surface of the motor cavity 21 from rolling to shaping; meanwhile, the inner core model 22 is unfolded when the air bag is expanded, and the shape of the inner core model 22 is further fixed, so that the inner core model 22 is more closely attached to the motor cavity 21, and the condition that the connection part is internally folded or is not smoothly connected is avoided; therefore, the problems of yarn clamping, yarn slipping, inward folding, shape missing and the like of the produced carbon fiber frame 100 can be avoided to the greatest extent only by controlling the shape of the carbon fiber cloth in the rolling process.
The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. The utility model provides a forming process device of carbon fiber frame which characterized in that includes:
the die comprises a die cover and a bottom die, wherein the die cover is hinged with the bottom die, and the die cover covers the bottom die; the bottom die is provided with a die cavity; a movable block is also arranged between the die cover and the bottom die; when the mold cover is close to the bottom mold, the movable block is pushed, and a positioning hole is formed in the movable block;
the combined model comprises a motor cavity and an inner core model, and the motor cavity model is sleeved on the outer surface of the inner core model; the combined model is positioned in the cavity; the combined model is used for rolling the carbon fiber cloth; an air bag is arranged in the inner core model and used for supporting the inner core model;
and the three-dimensional printer is used for printing the motor cavity.
2. The apparatus for forming and processing a carbon fiber frame as claimed in claim 1, wherein the motor cavity is a plastic solid shell; the motor cavity is internally provided with a cavity, the shape of the cavity is the same as that of the motor part of the inner core model, and the motor part of the inner core model is clamped into the cavity.
3. The apparatus for forming a carbon fiber frame as claimed in claim 2, wherein the inner core mold is made of a plastic film.
4. A forming method of a carbon fiber frame is characterized in that the forming device of the carbon fiber frame of any one of claims 1 to 3 is adopted; the method comprises the following steps:
cutting the carbon fiber cloth;
printing a three-dimensional cavity model with a fixed form by using a three-dimensional printer according to the motor part structure of a design drawing to obtain a motor cavity;
sleeving the motor cavity model on the integral inner core model of the frame, and attaching the motor cavity model to the motor part of the inner core model to obtain a combined model;
rolling the cut carbon fiber carbon material on the outer surface of the combined model layer by layer, and rolling the carbon fiber cloth at the motor part on the outer surface of the motor cavity;
penetrating an air bag into the rolled combined model, and placing the air bag into a mold cavity of a mold;
closing the mold and connecting the air bag with an inflating device; setting the setting environmental parameters of the interior of the mold; and obtaining the carbon fiber frame after molding.
5. The method for forming a carbon fiber frame as claimed in claim 4, wherein the step of cutting the carbon fiber cloth comprises:
and cutting the carbon fiber cloth into a plurality of flaky carbon fiber cloths in different shapes by using laser equipment according to a design drawing.
6. The method for forming and processing the carbon fiber frame as claimed in claim 4, wherein the step of rolling the cut carbon fiber-carbon material layer by layer on the outer surface of the combined model, and the step of rolling the carbon fiber cloth at the motor part on the outer surface of the motor cavity further comprises the following steps:
the rolled combined model needs to be subjected to outer diameter measurement and pound weight, and outer diameter and weight recording are carried out.
7. The method for forming a carbon fiber frame as claimed in claim 4, wherein the rolled combined model is subjected to outer diameter measurement and pound weight recording, and further comprises the following steps:
when the rolled combined model is placed into a mold, parts which need to be connected with the motor part into a whole are placed into the mold and well spliced, and the mold is closed after the parts are glued at the splicing part.
8. The method for forming and processing the carbon fiber frame as claimed in claim 4, wherein the step of rolling the cut carbon fiber-carbon material layer by layer on the outer surface of the combined model, and the step of rolling the carbon fiber cloth at the motor part on the outer surface of the motor cavity further comprises the following steps:
before the rolled combined model is placed into a mold, a mold release agent needs to be brushed in a mold cavity; and then putting the rolled combined model into a mould for high-temperature compaction molding.
9. The method for forming a carbon fiber vehicle frame according to any one of claims 4 to 8, wherein the step of closing the mold comprises:
the mold cover is close to the bottom mold to cover the bottom mold, and the movable block in the mold moves to be close to the combined model; and closing the mold when the movable block abuts against the motor part of the inner core model, and inflating the air bag after fixing the movable block by using the bolt.
10. The method for forming a carbon fiber frame according to any one of claims 4 to 8, wherein the mold is closed and an air bag is connected to an inflation device; setting the setting environmental parameters of the interior of the mold; the step of obtaining the carbon fiber frame after molding comprises the following steps:
the end part of the air bag is provided with an air tap, and the air tap is connected with external inflation equipment; before heating and shaping, external inflation equipment inflates the air bag to inflate the air bag, and the air bag is pulled out until the carbon fiber frame is formed.
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| CN202210020252.5A CN114434825B (en) | 2022-01-07 | 2022-01-07 | Forming device and forming method for carbon fiber frame |
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| CN202210020252.5A CN114434825B (en) | 2022-01-07 | 2022-01-07 | Forming device and forming method for carbon fiber frame |
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| CN114434825A true CN114434825A (en) | 2022-05-06 |
| CN114434825B CN114434825B (en) | 2023-08-04 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115042348A (en) * | 2022-07-28 | 2022-09-13 | 深圳市蓝光碳纤科技有限公司 | Carbon fiber bicycle frame mould |
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