CN111805941A - Forming method of steering wheel framework, steering wheel framework and vehicle - Google Patents
Forming method of steering wheel framework, steering wheel framework and vehicle Download PDFInfo
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- CN111805941A CN111805941A CN202010560345.8A CN202010560345A CN111805941A CN 111805941 A CN111805941 A CN 111805941A CN 202010560345 A CN202010560345 A CN 202010560345A CN 111805941 A CN111805941 A CN 111805941A
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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
- B29C70/40—Shaping or impregnating by compression not applied
- B29C70/42—Shaping or impregnating by compression not applied for producing articles of definite length, i.e. discrete articles
- B29C70/46—Shaping or impregnating by compression not applied for producing articles of definite length, i.e. discrete articles using matched moulds, e.g. for deforming sheet moulding compounds [SMC] or prepregs
- B29C70/48—Shaping or impregnating by compression not applied for producing articles of definite length, i.e. discrete articles using matched moulds, e.g. for deforming sheet moulding compounds [SMC] or prepregs and impregnating the reinforcements in the closed mould, e.g. resin transfer moulding [RTM], e.g. by vacuum
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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
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/48—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding
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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
- B29C70/54—Component parts, details or accessories; Auxiliary operations, e.g. feeding or storage of prepregs or SMC after impregnation or during ageing
- B29C70/545—Perforating, cutting or machining during or after moulding
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D1/00—Steering controls, i.e. means for initiating a change of direction of the vehicle
- B62D1/02—Steering controls, i.e. means for initiating a change of direction of the vehicle vehicle-mounted
- B62D1/04—Hand wheels
- B62D1/06—Rims, e.g. with heating means; Rim covers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D1/00—Steering controls, i.e. means for initiating a change of direction of the vehicle
- B62D1/02—Steering controls, i.e. means for initiating a change of direction of the vehicle vehicle-mounted
- B62D1/04—Hand wheels
- B62D1/08—Spokes, e.g. resilient
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D1/00—Steering controls, i.e. means for initiating a change of direction of the vehicle
- B62D1/02—Steering controls, i.e. means for initiating a change of direction of the vehicle vehicle-mounted
- B62D1/04—Hand wheels
- B62D1/10—Hubs; Connecting hubs to steering columns, e.g. adjustable
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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
- B29L2031/3047—Steering wheels
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Composite Materials (AREA)
- Steering Controls (AREA)
Abstract
The invention belongs to the field of processing and manufacturing of interior and exterior trims of a whole vehicle, and discloses a forming method of a steering wheel framework, the steering wheel framework and the vehicle. The forming method of the steering wheel framework at least comprises the following steps: the method comprises the following steps of firstly, completing simulation analysis according to design conditions of a spoke framework, simultaneously selecting a composite material and carrying out layering design on the composite material to obtain a plurality of composite material unidirectional layer data; finishing the weaving of each composite material unidirectional layer according to the composite material unidirectional layer data and moving the composite material unidirectional layer to an automatic cutting machine so that each composite material unidirectional layer has the shape of the outer contour of the spoke framework; and step three, pressing the composite material unidirectional layer stacks into a laminated plate with the outer contour of the spoke framework, and finally obtaining the spoke framework meeting the design conditions in the step one by a resin transfer molding method. The forming method of the steering wheel framework can reduce the weight of the steering wheel framework and improve the operation experience of a driver.
Description
Technical Field
The invention belongs to the field of processing and manufacturing of interior and exterior trims of a whole vehicle, and particularly relates to a forming method of a steering wheel framework, the steering wheel framework and the vehicle.
Background
The steering wheel is a wheel-shaped device for steering the driving direction of an automobile, a ship, an airplane and the like, and has the function of converting the force applied to the edge of the steering wheel by a driver into torque and transmitting the torque to a steering shaft. The simplest steering wheels typically include a steering wheel armature and foam. Certainly, with the continuous development of society, more and more devices are installed on the steering wheel, for example, some steering wheels require the outward appearance to sew up the skin, all have installation buckle or screw hole with main driving airbag corresponds on the steering wheel, require on some steering wheels to have the loudspeaker contact, and the simpler mode is just to press the loudspeaker contact into the skeleton, and the steering wheel not only need provide the installation buckle, still need provide the pencil interface, etc..
The steering wheel frame in the prior art is generally made of zinc alloy or aluminum alloy through die casting. The processing method can be summarized as follows: and injecting the hot-melt liquid aluminum-magnesium alloy into the cavity of the mold through an injection molding process, and drawing out the molten aluminum-magnesium alloy from the mold after the molten aluminum-magnesium alloy is cooled and solidified to form the steering wheel framework. Thereafter, subsequent processing is performed to form the final steering wheel. Because the material of steering wheel skeleton is metal material usually for the weight of steering wheel skeleton is heavier, and this to the driver, heavier steering wheel is unfavorable to driver's steering operation, and most of its effort all offsets with the weight of steering wheel, thereby has reduced driver's manipulation experience and has felt.
Disclosure of Invention
In order to solve all or part of the problems, the invention aims to provide a method for molding a steering wheel framework, so as to reduce the weight of the steering wheel framework and improve the operation experience of a driver.
The forming method of the steering wheel framework comprises the following steps: the method comprises the following steps of firstly, completing simulation analysis according to design conditions of a spoke framework, simultaneously selecting a composite material and carrying out layering design on the composite material to obtain a plurality of composite material unidirectional layer data; finishing the weaving of each composite material unidirectional layer according to the composite material unidirectional layer data and moving the composite material unidirectional layer to an automatic cutting machine so that each composite material unidirectional layer has the shape of the outer contour of the spoke framework; and step three, pressing the composite material unidirectional layer stacks into a laminated plate with the outer contour of the spoke framework, and finally obtaining the spoke framework meeting the design conditions in the step one by a resin transfer molding method.
Further, the forming method of the steering wheel framework further comprises the following steps: and step four, transferring the spoke framework meeting the design conditions of the step one to a machining procedure so as to form various mounting holes on the spoke framework.
Further, the ply design is configured as: the layering direction and the laminating sequence of each composite unidirectional layer are 0 degree/90 degrees/0 degrees.
Further, the annular rim skeleton includes left side rim skeleton and right side rim skeleton, and the forming method of steering wheel skeleton still includes: step five, completing simulation analysis according to the design conditions of the left rim framework and the right rim framework; step six, weaving the composite material into a left rim framework and a right rim framework which meet the design conditions of the step five through a three-dimensional weaving process; and step seven, using an adhesive to respectively bond and fix the left rim framework and the right rim framework with the spoke framework and carrying out normal-temperature curing to obtain the steering wheel framework.
Further, step five further comprises: and (3) carrying out sectional type design on the left side rim framework and the right side rim framework to form a plurality of left side rim framework sections and right side rim framework sections with preset lengths.
Further, the forming method of the steering wheel framework further comprises the following steps: and E, spraying a resin film on the surface of the steering wheel framework obtained in the step seven, and then performing paint spraying treatment.
Further, before the painting process, the method for forming the steering wheel frame further includes: and spraying a resin transition layer on the surface of the steering wheel framework sprayed with the resin film.
Further, the painting process includes spraying a primer and spraying a topcoat.
The invention also provides a steering wheel framework. The steering wheel framework comprises an annular rim framework and a spoke framework which is used for connecting the annular rim framework and a hub. The annular rim framework and/or the spoke framework are processed according to the forming method of the steering wheel framework.
The invention also provides a vehicle. The vehicle comprises the steering wheel framework.
Compared with the prior art, the steering wheel framework processed by the molding method of the steering wheel framework has an obvious weight reduction effect compared with a metal steering wheel framework in the prior art, so that for a driver, a lighter steering wheel operating system can be operated and used by the driver to the maximum extent, and the operation experience of the driver during driving can be greatly improved. In addition, the unique texture of the woven fabric of the fiber composite material further improves the quality of the integral interior system of the vehicle and improves the aesthetic property.
Drawings
Fig. 1 is a flowchart of a method of forming a steering wheel frame according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a steering wheel skeleton according to an embodiment of the present invention.
Detailed Description
For better understanding of the objects, structure and functions of the present invention, a method for forming a steering wheel frame according to the present invention will be described in detail with reference to the accompanying drawings.
Fig. 1 shows a flow chart of a method 100 for forming a steering wheel armature according to an embodiment of the present invention. Fig. 2 is a steering wheel frame 200 manufactured by applying the molding method 100 of the steering wheel frame shown in fig. 1. As shown in fig. 2, the steering wheel frame 200 includes an annular rim frame 202 and a spoke frame 201 connecting the annular rim frame 202 and the hub, and with reference to fig. 1, the forming method 100 of the steering wheel frame at least includes:
step one, S01, completing simulation analysis (such as CAE simulation analysis) according to the design conditions of the spoke framework 201, and simultaneously selecting a composite material and performing a layer laying design on the composite material to obtain a plurality of unidirectional layer data of the composite material.
Specifically, the method comprises the following steps: in this step, the design conditions of the spoke framework 201 may include performance requirements for the structure of the spoke framework 201, load conditions, environmental conditions and process conditions for use, and the like. Further, the load condition can be understood as the load property borne by the structure of the spoke framework 201, such as static load or dynamic load. The composite material selected may be a carbon fiber composite material. The simulation analysis and the layer laying design comprise: determination of the structural form of the spoke framework 201, design of structural elements of the spoke framework 201, and the like; and to stress, strain analysis and failure judgment, among others. So as to ensure that the structure meets the requirements of specified strength and rigidity and ensure the integrity of the structure.
And step two S02, finishing the weaving of the composite material unidirectional layers according to the composite material unidirectional layer data and moving the composite material unidirectional layers to an automatic cutting machine so that the composite material unidirectional layers have the shape of the outer contour of the spoke framework.
Specifically, the method comprises the following steps: in this step, after the worker performs the analysis of S01, the worker uses a knitting machine to complete the knitting of each composite unidirectional layer by combining the data results, that is, the production of each composite unidirectional layer is realized.
Step three S03, pressing the composite unidirectional layer stacks into a laminated plate having the outer contour of the spoke framework 201, and performing resin transfer molding to obtain the spoke framework 201 satisfying the design conditions of step one.
Specifically, the method comprises the following steps: in this step, each composite unidirectional layer having the outer contour shape of the spoke framework 201 is first formed into a preform, i.e., a laminated sheet after stacking, by knitting, sewing, gluing, or the like, according to the structural requirements of the spoke framework 201 and the requirements of the ply design. The resin transfer molding method is the RTM process. The RTM process is to form a pre-formed laminate from the unidirectional layers of composite material according to the spoke skeleton, then place the pre-formed laminate in a mold with the periphery tightly sealed, and inject resin so that the resin flows in the mold cavity and impregnates the pre-formed laminate, and then cure the resin to form the structure of the spoke skeleton 201 of composite material. The introduction of the resin can be achieved by a resin injection method, a resin reactive injection method, a resin powder dispersion method, or the like.
Through the above-mentioned step, can make the part of spoke skeleton 201 of steering wheel skeleton 200 replace the part of the spoke skeleton of original metal steering wheel skeleton with carbon-fibre composite at least, and through the concrete analysis and the design of above-mentioned step, make the spoke skeleton 201 of replacing the spoke skeleton of original metal can play obvious weight reduction effect through carbon-fibre composite under the prerequisite that guarantees original intensity unchangeable, this to the driver, lighter steering wheel operating system, it uses in driver's operation more easily, thereby can greatly promote the manipulation experience when driver drives and feel.
Preferably, as shown in fig. 1, the method for forming the steering wheel frame may further include: step four S04, the spoke framework 201 satisfying the design conditions of step one is transferred to a machining process so that various mounting openings are formed thereon. Through this step S04, a variety of mounting openings are formed in the spoke framework 201 for mounting, fixing, and the like. For example, the mounting apertures may be screw holes, horn contact mounting holes, or wire harness interfaces, among others. These steps can be completed by the processing step of step S04 without damaging the overall structural strength and the use effect of the spoke frame 201, so that the functionality of the spoke frame 201 processed by the method 100 for molding a steering wheel frame according to the embodiment of the present invention is more complete. Preferably, a fastener or the like may be bonded to the spoke framework 201 by means of an adhesive or the like, for example, three metal fasteners for mounting an airbag may be bonded to the surface of the carbon fiber composite material by means of acrylic. Therefore, the spoke framework 201 processed by the molding method of the steering wheel framework of the embodiment of the invention is more convenient to use and mount, and can be mounted and used only by adhesive if necessary.
In a preferred embodiment, the ply design may be configured as: the layering direction and the laminating sequence of each composite unidirectional layer are 0 degree/90 degrees/0 degrees. According to the invention, the plies are directional, the direction of the plies being indicated by the angle of the minor direction of the fibres. Wherein, the auxiliary angle is the included angle between the longitudinal direction of the stacking layer and the X axis of the reference coordinate of the laminated plate. In the embodiment of the invention, the design structure of the paving layer is as follows: the ply direction and the lamination sequence of the unidirectional layers of the composite material are 0 °/90 °/0 °/90 °/0 °, wherein 0 ° and 90 ° respectively denote the ply direction of the unidirectional layer of each layer of the composite material, and the sequence of 0 °/90 °/0 °/90 °/0 ° denotes the lamination sequence (or ply sequence) of the laminate, i.e. the first layer is 0 °, and so on. In the embodiment of the present invention, the fabric-laid laminate obtained in step S02 is a laminate in which 5 layers are orthogonally laid.
Preferably, as shown in fig. 1, the annular rim skeleton 202 may include a left rim skeleton 202a and a right rim skeleton 202b, and the method 100 for forming a steering wheel skeleton may further include:
step five S05, a simulation analysis is completed according to the design conditions of left rim skeleton 202a and right rim skeleton 202 b.
Specifically, the method comprises the following steps: as can be appreciated from the above description, the design conditions may include performance requirements for the structure of left and right rim skeletons 202a and 202b, load conditions, environmental conditions and process conditions of use, and the like.
Step six S06, the composite material is woven into the left rim skeleton 202a and the right rim skeleton 202b satisfying the design conditions of step five by a three-dimensional weaving process.
Specifically, the method comprises the following steps: the composite material may also be a carbon fiber composite material. In this step, since the cross section of the annular rim skeleton 202 is circular, the method 100 for forming a steering wheel skeleton according to the embodiment of the present invention selects a three-dimensional weaving process when the annular rim skeleton 202 is formed, which may be understood as weaving carbon fiber bundles in the warp direction, the weft direction, and the normal direction into an integral structure of the left rim skeleton 202a and the right rim skeleton 202b, that is, a pre-formed structural member of the left rim skeleton 202a and the right rim skeleton 202b, by using a weaving technique, and then performing resin impregnation and curing on the pre-formed structural member, thereby forming the left rim skeleton 202a and the right rim skeleton 202b having a composite material structure.
Step seven S07, the left rim skeleton 202a and the right rim skeleton 202b are respectively bonded and fixed to the spoke skeleton 201 by using an adhesive and are cured at normal temperature to obtain the steering wheel skeleton 200.
Specifically, the method comprises the following steps: the adhesive can be PU adhesive. In this step, PU glue is applied to the bonding surfaces of the left rim skeleton 202a and the right rim skeleton 202b which are separately formed, and after the PU glue is bonded and fixed to the spoke skeleton 201, the PU glue is placed in a dry air environment by using a positioning tool to be cured at normal temperature, so that the connection of the components of the steering wheel skeleton 200 is completed. When the left rim frame 202a and the right rim frame 202b are bonded, fixing members such as screws can be used for reinforcement to ensure that all the parts are firmly bonded.
Through the above-mentioned step, can make steering wheel skeleton 200's overall structure be carbon-fibre composite, thereby replace original metal steering wheel skeleton, through the concrete analysis and the design of above-mentioned step, make the steering wheel skeleton 200 who replaces original metal steering wheel skeleton can further play obvious heavy effect of subtracting through carbon-fibre composite under the prerequisite that guarantees original intensity unchangeable, this is to the driver, lighter steering wheel operating system can easily driver's operation use by maximize, thereby can greatly promote the manipulation experience sense when driver drives. Compared with the metal steering wheel frame in the prior art, the steering wheel frame 200 processed by the steering wheel frame forming method 100 in the embodiment of the invention has an obvious weight reduction effect, and specific data analysis shows that the steering wheel frame forming method 100 in the embodiment of the invention can obviously reduce the weight of the steering wheel frame 200 by about 3 kilograms on the premise of ensuring that the original strength is not changed.
In a preferred embodiment, the step five S05 may further include: the left and right rim skeletons 202a and 202b are each designed in a segmented manner to form a plurality of left and right rim skeleton sections having a predetermined length. Since the current three-dimensional knitting technology can only temporarily satisfy the straight-type cylindrical structure, and the left and right rim skeletons 202a and 202b are each configured as a semicircular structure, implementation of this step can facilitate processing of the left and right rim skeletons 202a and 202b by the three-dimensional knitting technology. After each of the left and right rim skeleton sections is finished, the left and right rim skeleton sections may be fixed by bonding using an adhesive in combination with the above description.
Preferably, as shown in fig. 1, the method 100 for forming a steering wheel frame may further include: the surface of the steering wheel frame 200 obtained in step seven S07 is sprayed with a resin film and then subjected to paint spraying treatment. This step can effectively change the appearance of the steering wheel frame 200, and the smooth contact surface can also improve the steering experience of the driver. In addition, the unique texture of the woven fabric of the fiber composite material further improves the quality of the integral interior system of the vehicle and improves the aesthetic property. Preferably, the resin film may be a film made of polyvinyl chloride, polyethylene, polypropylene, polystyrene, or the like.
In a preferred embodiment, the method 100 for forming a steering wheel frame may further include, before the painting process: and spraying a resin transition layer on the surface of the steering wheel frame 200 after the resin film is sprayed. The compatibility of the paint layer of the paint spraying and the resin film can be effectively improved through the step, so that the problems of separation of the paint layer and the like are avoided. Preferably, the resin transition layer can be selected from: epoxy system resins or polyurethanes.
Preferably, the painting process may include spraying a primer and spraying a topcoat. Thus, the appearance effect of being bright and transparent and containing regular textures can be realized according to the requirements of customers.
Fig. 2 illustrates a steering wheel armature 200 according to an embodiment of the present invention. As shown in fig. 2, the steering wheel frame 200 includes an annular rim frame 202 and a spoke frame 201 connecting the annular rim frame 202 and the hub. The annular rim framework 202 and/or the spoke framework 201 can be processed by applying the molding method 100 of the steering wheel framework. As can be seen from the above description, the steering wheel frame 200 processed by the method 100 for forming a steering wheel frame according to the embodiment of the present invention has a significant weight reduction effect compared to a metal steering wheel frame in the prior art, and for a driver, a lighter steering wheel operating system can be maximally easy for the driver to operate and use, so that the steering experience of the driver during driving can be greatly improved. In addition, the unique texture of the woven fabric of the fiber composite material further improves the quality of the integral interior system of the vehicle and improves the aesthetic property.
The invention also provides a vehicle. The vehicle comprises the steering wheel framework.
It is to be noted that, unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which the invention pertains.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention, and they should be construed as being included in the following claims and description. In particular, the technical features mentioned in the embodiments can be combined in any way as long as there is no structural conflict. It is intended that the invention not be limited to the particular embodiments disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.
Claims (10)
1. A forming method of a steering wheel framework comprises an annular rim framework and a spoke framework which is used for connecting the annular rim framework and a hub, and is characterized by at least comprising the following steps:
the method comprises the following steps of firstly, completing simulation analysis according to design conditions of a spoke framework, simultaneously selecting a composite material and carrying out layering design on the composite material to obtain a plurality of composite material unidirectional layer data;
finishing the weaving of each composite material unidirectional layer according to the data of each composite material unidirectional layer and moving the composite material unidirectional layer to an automatic cutting machine so that each composite material unidirectional layer has the shape of the outer contour of the spoke framework;
and step three, pressing the composite material unidirectional layer stacks into a laminated plate with the outer contour of the spoke framework, and finally obtaining the spoke framework meeting the design condition of the step one through a resin transfer molding method.
2. The method of molding a steering wheel frame according to claim 1, further comprising:
and step four, transferring the spoke framework meeting the design conditions of the step one to a machining process so as to form various mounting holes on the spoke framework.
3. The method of molding a steering wheel armature according to claim 1 or 2, wherein the ply design is configured to: the ply direction and the lamination sequence of each unidirectional layer of the composite material are 0 degree/90 degrees/0 degrees.
4. The method of claim 2, wherein the annular rim armature includes a left rim armature and a right rim armature, and wherein the method of forming the steering wheel armature further comprises:
step five, completing simulation analysis according to the design conditions of the left rim framework and the right rim framework;
step six, weaving the composite material into a left rim framework and a right rim framework which meet the design conditions of the step five through a three-dimensional weaving process;
and seventhly, using an adhesive to bond and fix the left rim framework and the right rim framework with the spoke framework respectively and carrying out normal-temperature curing to obtain the steering wheel framework.
5. The method for molding a steering wheel frame according to claim 4, wherein the step five further comprises:
and carrying out sectional type design on the left side rim framework and the right side rim framework to form a plurality of left side rim framework sections and right side rim framework sections with preset lengths.
6. The molding method of a steering wheel frame according to claim 4 or 5, characterized in that the molding method of a steering wheel frame further comprises:
and C, spraying a resin film on the surface of the steering wheel framework obtained in the step seven, and then performing paint spraying treatment.
7. The method of molding a steering wheel frame according to claim 6, further comprising, before the painting process: and spraying a resin transition layer on the surface of the steering wheel framework after the resin film is sprayed.
8. The method for molding a steering wheel skeleton according to claim 6, wherein the painting process includes spraying a primer and spraying a topcoat.
9. A steering wheel skeleton, characterized by comprising an annular rim skeleton and a spoke skeleton for connecting the annular rim skeleton and a hub, wherein the annular rim skeleton is processed by the molding method of the steering wheel skeleton according to any one of claims 4 to 8, and/or the spoke skeleton is processed by the molding method of the steering wheel skeleton according to any one of claims 1 to 8.
10. A vehicle characterized by comprising the steering wheel frame according to claim 9.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010560345.8A CN111805941A (en) | 2020-06-18 | 2020-06-18 | Forming method of steering wheel framework, steering wheel framework and vehicle |
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| CN202010560345.8A CN111805941A (en) | 2020-06-18 | 2020-06-18 | Forming method of steering wheel framework, steering wheel framework and vehicle |
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| CN111805941A true CN111805941A (en) | 2020-10-23 |
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