Production process of carbon fiber cushion

Abstract

The invention discloses a production process of a carbon fiber cushion. The production process comprises the following steps of manufacturing a carbon fiber sheet: preparing materials, cutting yarns, paving layers, supplementing the yarns, winding the yarns, performing, forming by a hot-pressing die, polishing, cleaning, spraying paint, baking, marking with water, detecting a finished product, weighing, testing the rigidity of the finished product and the like. The damping plate made of the silica gel material is arranged between the cushion plate and the bow frame, so that the carbon fiber cushion has a good damping and buffering effect, the situation that the comfort and damping performance are insufficient during long-time riding is effectively solved, and the situation that when a user passes through a bumpy road surface, the user feels comfortable can be avoided. The shock-absorbing cushion has the advantages that shock-absorbing and protecting effects are achieved under the condition that impact force generated by bumping back and forth causes internal injury to the body, and the upper end of the cushion is structurally improved, so that a user cannot feel the condition that the buttocks are pressed during long-time riding, local stress is reduced, and pains and numbness of the buttocks are relieved.

Description

Technical Field

[0001] The invention relates to the technical field of seat cushion processing, in particular to a production process of a carbon fiber seat cushion. Background Art

[0002] With the development of cycling, carbon fiber materials are widely used in seat cushion manufacturing due to their lightweight and high-strength characteristics. Traditional carbon fiber seat cushions achieve extreme weight reduction through an integrated molding process to meet the power transmission efficiency requirements of competitive cycling. However, the structural design of existing carbon fiber seat cushions has significant defects, especially in terms of comfort and shock absorption performance during long-term riding. When cyclists pass through bumpy roads, they will be subjected to strong impact forces, causing chronic damage to the body. In addition, long-term cycling can easily cause excessive pressure on the buttocks, causing compression on the body, and easily causing pain and numbness.

[0003] Therefore, it is necessary to study a new technical solution to solve the above problems. Summary of the invention

[0004] In view of this, the present invention aims at the deficiencies in the prior art, and its main purpose is to provide a production process for a carbon fiber seat cushion.

[0005] To achieve the above purpose, the present invention adopts the following technical solutions:

[0006] A production process of a carbon fiber seat cushion includes the following processing steps:

[0007] S1: preparing materials, preparing soaked carbon fiber sheets;

[0008] S2: Yarn cutting: the rolled carbon fiber sheets are cut and separated by a cutting machine, and cut and divided according to the size and required quantity;

[0009] S3: pre-stacking the yarns, placing and assembling the divided carbon fiber sheets according to the preset yarn angles;

[0010] S4: Laying, stacking carbon fiber sheets at different angles in sequence, so that the thickness of the laid carbon fiber sheets can meet the requirements of the drawings, and the yarns at different angles can meet the strength and stiffness required by the product;

[0011] S5: Yarn mending: judge whether there is any problem based on the appearance of the product, and strengthen the yarn according to the actual situation, and strengthen the yarn at the problematic parts;

[0012] S6: Winding, the laid carbon fiber sheets are subjected to a winding process to preform them into the shape of a bow frame, and a gradual arrangement is adopted so that the carbon fiber sheets can be rolled into a solid rod during the winding process;

[0013] S7: Preform the seat plate and bow frame,

[0014] The seat cushion plate is preformed and laminated in the order of the angles of the carbon fiber sheets, and the air in each layer is squeezed out to make each layer fit better.

[0015] The bow frame is preformed by bending the solid rod and adding carbon yarn at both ends of the solid rod to cover and fix it, so as to improve the connection stability. U-shaped carbon yarn is also added at the bending part of the solid rod to improve the connection performance.

[0016] S8: hot pressing mold forming, placing the preformed bow frame and seat cushion plate into the hot pressing mold, and then hot pressing the hot pressing mold through a hot press machine to further expel the air between each layer and increase the adhesion of each layer;

[0017] S9: demoulding, taking out the heat-pressed bow frame and seat cushion plate;

[0018] S10: Grinding: Grind the edges of the bow frame and seat cushion plate with a grinder to remove excess carbon yarn and epoxy resin to improve the appearance of the product;

[0019] S11: Putting soil, by checking the appearance of the bow frame and the seat cushion, if cracks or gaps are found, they need to be repaired with putty glue;

[0020] S12: bonding, bonding the bow frame and the cushion plate so that the two ends and the bending part of the bow frame are bonded and fixed to the lower end surface of the cushion plate, and glue is applied at their connection so that the two can be firmly bonded together and not easy to fall off, thereby assembling the cushion;

[0021] S13: cleaning, cleaning the outer surface of the seat cushion with a cleaning agent, cleaning the stains attached to the outer surface, so that the outer surface of the seat cushion has a good cleanliness;

[0022] S14: spray painting, spraying paint on the seat cushion so that the outer surface of the seat cushion can adhere to protective paint;

[0023] S15: Baking: The painted cushion is baked so that the paint can be firmly adsorbed on the outer surface of the cushion to avoid falling off;

[0024] S16: Watermark, by transferring and fixing the pattern on the outer surface of the cushion, it has a delicate pattern texture;

[0025] S17: Ruler, measure the size and pattern of the cushion to see if it meets the design requirements;

[0026] S18: Finished product inspection, by checking the appearance and quality of the cushions to avoid the outflow of defective products and ensure product stability and quality requirements;

[0027] S19: Weighing: by testing the weight of the cushion, ensure that the weight of the processed cushion meets the specified weight to avoid overweight;

[0028] S20: Install the fixing screws. By installing the screws on the seat cushion, it can be quickly assembled and used later, saving assembly efficiency;

[0029] S21: Rigidity test: by testing the finished cushion, check whether the quality of the cushion meets the requirements and ensure the reliability and safety of the cushion;

[0030] S22: Packing: pack the cushions that have passed the test into boxes.

[0031] As a preferred embodiment, the carbon fiber sheets are soaked in epoxy resin, and the epoxy resin is filled in the gaps between the carbon fiber sheets to enhance the connection strength.

[0032] Preferably, the cutting machine in S2 includes a water jet cutting machine, an ultrasonic cutting machine and a manual cutting machine, which cuts and classifies the carbon fiber sheets according to size, required quantity and yarn direction, thereby cutting and processing carbon fiber sheets with different yarn directions.

[0033] As a preferred embodiment, in the ply laying in S4, the cut carbon fiber sheets are stacked in sequence, wherein the ply laying of the seat cushion plate is sequentially arranged from bottom to top in the directions of 0°, 45°, -45°, 0°, 90°, 0°, 30°, -30°, 45°, -45°, 90°, and 0°;

[0034] In the ply setting of the bow frame, the carbon fiber sheets are arranged and stacked at 90°, 30°, -30°, 90°, and 90° from bottom to top, so that the rolled-up solid rod has good rigidity.

[0035] Preferably, in the carbon fiber sheet ply arrangement of the seat cushion plate, reinforcing patches are further arranged between 0° and 90°, and between 90° and 0°.

[0036] As a preferred embodiment, the S7 preformed cushion plate is prepared by placing the carbon fiber sheets stacked in sequence in a close relationship and manually arranging them so that the upper and lower adjacent layers can fit closely together and the internal air can be discharged to the outside.

[0037] As a preferred embodiment, in the S8 hot pressing molding, the hot pressing machine is preheated to 100° and the pressure value of the machine is set to 40KG, the hot pressing mold is placed on the machine for hot pressing, and the hot pressing machine is kept at a constant temperature and pressure state for 15 minutes, thereby completing the pre-curing of the hot pressing mold.

[0038] As a preferred embodiment, in S9-S12, the seat cushion plate and bow frame formed by hot pressing are demoulded, and their outer edges are polished to remove excess burrs and excess charcoal yarn and epoxy resin, and the cracks are repaired with putty to maintain good aesthetics, and the bow frame and the seat cushion plate are bonded and assembled together to form a complete seat cushion.

[0039] Preferably, a shock-absorbing plate is provided between the lower end surface of the seat cushion plate and the upper end portion of the bow frame, the upper end surface of the shock-absorbing plate is bonded and fixed to the lower end surface of the seat cushion plate, and the lower end surface of the shock-absorbing plate is bonded and fixed to the upper end portion of the bow frame, so that the three can be firmly fixed together, so that the seat cushion has a good shock-absorbing and buffering effect, and the shock-absorbing plate is made of silicone material.

[0040] As a preferred embodiment, in S13-S21, the bonded and assembled cushion is cleaned to remove dust attached to the outer surface, and paint is sprayed on the outer surface to make it have good color, and then it is baked by baking equipment so that the paint can firmly adhere to the outer surface of the cushion to provide good protection and wear resistance. Different patterns are transferred to the cushion by water marking to enhance the ornamental and uniqueness of the cushion. Then, the cushion after water marking is measured and recorded to ensure that the size of the cushion meets the design requirements, and then the cushion that meets the size requirements is tested as a finished product to select cushions that meet the appearance requirements and quality requirements, and then the cushion that meets the requirements is weighed to ensure that the weight is within the specified numerical range, and then the cushion is fixed with screws, and finally the cushion is subjected to a rigidity test, and finally the cushion that meets the test requirements is selected for packaging and cutting.

[0041] Compared with the prior art, the present invention has obvious advantages and beneficial effects. Specifically, it can be seen from the above technical solution that:

[0042] The present invention provides a shock-absorbing plate made of silicone material between the seat cushion plate and the bow frame, so that the carbon fiber seat cushion has a good shock-absorbing and buffering effect, effectively solves the problem of insufficient comfort and shock-absorbing performance during long-term riding, can prevent the user from causing internal damage to the body due to the impact force generated by the back-and-forth bumps when passing through bumpy roads, and has a shock-absorbing and protective effect. In addition, by improving the structure of the upper end of the seat cushion, the user will not feel the pressure on the buttocks during long-term riding, thereby reducing the phenomenon of local stress and alleviating the pain and numbness of the buttocks. BRIEF DESCRIPTION OF THE DRAWINGS

[0043] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0044] Figure 1 It is a schematic diagram of the laminated structure of the seat cushion plate of the present invention.

[0045] Figure 2 It is a schematic diagram of the stacked structure of the bow frame of the present invention.

[0046] Figure 3 It is a schematic diagram of the bow frame preforming structure of the present invention.

[0047] Figure 4 It is a schematic diagram of the molding structure of the seat cushion plate of the present invention.

[0048] Figure 5 The invention is to repair the bow frame by using putty glue.

[0049] Figure 6 It is a schematic diagram of the finished structure of the seat cushion of the present invention. DETAILED DESCRIPTION

[0050] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present application more clearly understood, the present application is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application and are not used to limit the present application.

[0051] It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it can be directly on the other element or indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element.

[0052] It should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present application.

[0053] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features. In the description of this application, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0054] In order to make the purpose, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments.

[0055] Reference Figure 1-6 As shown: A production process of a carbon fiber seat cushion includes the following processing and production steps:

[0056] S1: Prepare the carbon fiber sheets soaked in epoxy resin, make the epoxy resin fully penetrate into the gaps between the carbon fiber sheets, and wait for them to dry before rolling them up;

[0057] S2: Yarn cutting: the rolled carbon fiber sheets are cut and separated by a cutting machine, and cut and divided according to the size and required quantity.

[0058] S3: Pre-stacking the yarns, placing and combining the divided carbon fiber sheets according to the preset yarn angles, and classifying the carbon fiber sheets with different yarn direction angles for subsequent use.

[0059] S4: Laying, stacking carbon fiber sheets at different angles in sequence, so that the thickness of the laid carbon fiber sheets can meet the requirements of the drawings, and the yarns at different angles can meet the strength and stiffness required by the product.

[0060] S5: Yarn mending. Determine whether there is a problem based on the appearance of the product, and perform yarn mending according to the actual situation to strengthen the stability of the connection. Reinforce the yarn at the problematic parts to avoid unstable connections in the carbon fiber sheets.

[0061] S6: Winding: The laid carbon fiber sheets are wound up to preform the carbon fiber sheets into the shape of a bow frame, and a gradual arrangement is adopted so that the carbon fiber sheets can be wound up into a solid rod during the winding process.

[0062] S7: Preform the seat plate and bow frame,

[0063] The seat cushion plate is preformed and laminated in the order of the angles of the carbon fiber sheets, and the air in each layer is squeezed out to make each layer fit better.

[0064] The bow frame is preformed by bending the solid rod and adding carbon yarn to both ends of the solid rod for covering and fixing to improve the connection stability. U-shaped carbon yarn is also added at the bending part of the solid rod to improve the connection performance.

[0065] S8: Hot pressing mold forming, putting the preformed bow frame and seat cushion plate into the hot pressing mold, and then hot pressing the hot pressing mold through a hot press machine to further expel the air between each layer and increase the adhesion of each layer.

[0066] S9: Demoulding, taking out the heat-pressed bow frame and seat cushion.

[0067] S10: Grinding: Use a grinder to grind the edges of the bow frame and seat cushion to remove excess carbon yarn and epoxy resin to improve the appearance of the product.

[0068] S11: Puttying. Check the appearance of the bow frame and seat cushion. If cracks or gaps are found, they need to be repaired with putty glue.

[0069] S12: bonding, bonding the bow frame and the cushion plate so that the two ends and the bending part of the bow frame are bonded and fixed to the lower end surface of the cushion plate, and glue is applied at their connection so that the two can be firmly bonded together and not easy to fall off, thereby assembling the cushion.

[0070] S13: Cleaning: Cleaning the outer surface of the seat cushion with a cleaning agent to clean the stains attached to the outer surface, so that the outer surface of the seat cushion has a good cleanliness.

[0071] S14: Painting. By spraying the seat cushion with paint, the outer surface of the seat cushion can adhere to the protective paint, enhancing the wear resistance and scratch resistance.

[0072] S15: Baking: The painted cushion is baked so that the paint can be firmly adsorbed on the outer surface of the cushion to avoid falling off.

[0073] S16: Watermark, by transferring and fixing the pattern on the outer surface of the cushion, it has a delicate pattern texture;

[0074] S17: Ruler, measure the size and pattern of the cushion to see if it meets the design requirements;

[0075] S18: Finished product inspection, by checking the appearance and quality of the cushions to avoid the outflow of defective products and ensure product stability and quality requirements;

[0076] S19: Weighing: by testing the weight of the cushion, ensure that the weight of the processed cushion meets the specified weight to avoid overweight;

[0077] S20: Install the fixing screws. By installing the screws on the seat cushion, it can be quickly assembled and used later, saving assembly efficiency;

[0078] S21: Rigidity test: by testing the finished cushion, check whether the quality of the cushion meets the requirements and ensure the reliability and safety of the cushion;

[0079] S22: Packing: pack the cushions that have passed the test into boxes.

[0080] In this embodiment, the carbon fiber sheets are soaked in epoxy resin, and the epoxy resin is filled in the gaps between the carbon fiber sheets to enhance the connection strength.

[0081] In this embodiment, the cutting machine in S2 includes a water jet cutting machine, an ultrasonic cutting machine and a manual cutting machine, which cut and classify the carbon fiber sheets according to the size, required quantity and yarn direction, thereby cutting and processing carbon fiber sheets with different yarn directions.

[0082] In this embodiment, the ply laying in S4 stacks the cut carbon fiber sheets in sequence, wherein the ply laying of the seat cushion plate is sequentially arranged in the directions of 0°, 45°, -45°, 0°, 90°, 0°, 30°, -30°, 45°, -45°, 90°, and 0° from bottom to top, so that the semi-finished product has good rigidity and toughness.

[0083] Specifically, in the ply arrangement of the bow frame, the carbon fiber sheets are arranged and stacked in order of 90°, 30°, -30°, 90°, and 90° from bottom to top, so that the rolled-up solid rod has good rigidity.

[0084] In this embodiment, in the carbon fiber sheet ply arrangement of the seat cushion plate, reinforcement patches are further arranged between 0° and 90°, and between 90° and 0°.

[0085] In this embodiment, the S7 preformed cushion plate is formed by placing the carbon fiber sheets stacked in sequence in a close relationship and manually arranging them so that the upper and lower adjacent layers can fit closely together and the internal air can be discharged to the outside.

[0086] In this embodiment, in the S8 hot pressing molding, the hot pressing machine is preheated to 100° and the pressure value of the machine is set to 40KG. The hot pressing mold is then placed on the machine for hot pressing. The hot pressing machine is maintained at a constant temperature and pressure for 15 minutes, thereby completing the pre-curing of the hot pressing mold.

[0087] In this embodiment, in S9-S12, the seat cushion plate and bow frame formed by hot pressing are demolded, and their outer edges are polished to remove excess burrs and excess charcoal yarn and epoxy resin. The cracks are repaired with putty to maintain good aesthetics. The bow frame and the seat cushion plate are bonded and assembled together to form a complete seat cushion.

[0088] In actual use, a shock-absorbing plate is provided between the lower end surface of the seat cushion plate and the upper end portion of the bow frame. The upper end surface of the shock-absorbing plate is bonded and fixed to the lower end surface of the seat cushion plate, and the lower end surface of the shock-absorbing plate is bonded and fixed to the upper end portion of the bow frame, so that the three can be firmly fixed together, so that the seat cushion has a good shock-absorbing and buffering effect. The shock-absorbing plate is made of silicone material.

[0089] In this embodiment, in S13-S21, the bonded and assembled cushion is cleaned to remove dust attached to the outer surface, and paint is sprayed on the outer surface to make it have good color. It is then baked by baking equipment so that the paint can firmly adhere to the outer surface of the cushion to provide good protection and wear resistance. Different patterns are transferred to the cushion by water marking to enhance the ornamental and uniqueness of the cushion. The water-marked cushion is then measured and recorded to ensure that the size of the cushion meets the design requirements. The cushions that meet the size requirements are then tested as finished products to select cushions that meet the appearance and quality requirements. The cushions that meet the requirements are then weighed to ensure that the weight is within the specified range. The cushions are then fixed with screws. Finally, the cushions are tested for rigidity. Finally, the cushions that meet the test requirements are selected for packaging and unloading.

[0090] The above are only preferred embodiments of the present invention, and only specifically describe the technical principles of the present invention. These descriptions are only for explaining the principles of the present invention and cannot be interpreted as limiting the scope of protection of the present invention in any way. Based on the explanations here, any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention, and other specific implementations of the present invention that can be associated with by technicians in this field without creative labor, should be included in the scope of protection of the present invention.

Claims

1. A production process for a carbon fiber seat cushion, characterized in that: The production process includes the following steps: S1: preparing materials, preparing soaked carbon fiber sheets; S2: Yarn cutting: the rolled carbon fiber sheets are cut and separated by a cutting machine, and cut and divided according to the size and required quantity; S3: pre-stacking the yarns, placing and assembling the divided carbon fiber sheets according to the preset yarn angles; S4: Laying, stacking carbon fiber sheets at different angles in sequence, so that the thickness of the laid carbon fiber sheets can meet the requirements of the drawings, and the yarns at different angles can meet the strength and stiffness required by the product; S5: Yarn mending: judge whether there is any problem based on the appearance of the product, and strengthen the yarn according to the actual situation, and strengthen the yarn at the problematic parts; S6: Winding, the laid carbon fiber sheets are subjected to a winding process to preform them into the shape of a bow frame, and a gradual arrangement is adopted so that the carbon fiber sheets can be rolled into a solid rod during the winding process; S7: Preform the seat plate and bow frame, The seat cushion plate is preformed and laminated in the order of the angles of the carbon fiber sheets, and the air in each layer is squeezed out to make each layer fit better. The bow frame is preformed by bending the solid rod and adding carbon yarn at both ends of the solid rod to cover and fix it, so as to improve the connection stability. U-shaped carbon yarn is also added at the bending part of the solid rod to improve the connection performance. S8: hot pressing mold forming, placing the preformed bow frame and seat cushion plate into the hot pressing mold, and then hot pressing the hot pressing mold through a hot press machine to further expel the air between each layer and increase the adhesion of each layer; S9: demoulding, taking out the heat-pressed bow frame and seat cushion plate; S10: Grinding: Grind the edges of the bow frame and seat cushion plate with a grinder to remove excess carbon yarn and epoxy resin to improve the appearance of the product; S11: Putting soil, by checking the appearance of the bow frame and the seat cushion, if cracks or gaps are found, they need to be repaired with putty glue; S12: bonding, bonding the bow frame and the cushion plate so that the two ends and the bending part of the bow frame are bonded and fixed to the lower end surface of the cushion plate, and glue is applied at their connection so that the two can be firmly bonded together and not easy to fall off, thereby assembling the cushion; S13: cleaning, cleaning the outer surface of the seat cushion with a cleaning agent, cleaning the stains attached to the outer surface, so that the outer surface of the seat cushion has a good cleanliness; S14: spray painting, spraying paint on the seat cushion so that the outer surface of the seat cushion can adhere to protective paint; S15: Baking: The painted cushion is baked so that the paint can be firmly adsorbed on the outer surface of the cushion to avoid falling off; S16: Watermark, by transferring and fixing the pattern on the outer surface of the cushion, it has a delicate pattern texture; S17: Ruler, measure the size and pattern of the cushion to see if it meets the design requirements; S18: Finished product inspection, by checking the appearance and quality of the cushions to avoid the outflow of defective products and ensure product stability and quality requirements; S19: Weighing: by testing the weight of the cushion, ensure that the weight of the processed cushion meets the specified weight to avoid overweight; S20: Install the fixing screws. By installing the screws on the seat cushion, it can be quickly assembled and used later, saving assembly efficiency; S21: Rigidity test: by testing the finished cushion, check whether the quality of the cushion meets the requirements and ensure the reliability and safety of the cushion; S22: Packing: pack the cushions that have passed the test into boxes.

2. The production process of the carbon fiber seat cushion according to claim 1, characterized in that: The carbon fiber sheets are soaked in epoxy resin, and the epoxy resin is filled in the gaps between the carbon fiber sheets to enhance the connection strength.

3. The production process of the carbon fiber seat cushion according to claim 2, characterized in that: The cutting machine in S2 includes a water jet cutting machine, an ultrasonic cutting machine and a manual cutting machine, which cuts and classifies the carbon fiber sheets according to the size, the required quantity and the direction of the yarn, so as to cut and process carbon fiber sheets with different yarn directions.

4. The production process of the carbon fiber seat cushion according to claim 3, characterized in that: In the laying step S4, the cut carbon fiber sheets are stacked in sequence, wherein the laying of the seat cushion plate is sequentially arranged from bottom to top in the directions of 0°, 45°, -45°, 0°, 90°, 0°, 30°, -30°, 45°, -45°, 90°, and 0°; In the ply setting of the bow frame, the carbon fiber sheets are arranged and stacked in 90°, 30°, -30°, 90°, and 90° from bottom to top, so that the rolled-up solid rod has good rigidity.

5. The production process of the carbon fiber seat cushion according to claim 4, characterized in that: In the carbon fiber sheet ply arrangement of the seat cushion plate, reinforcement patches are also arranged between 0° and 90°, and between 90° and 0°.

6. The production process of the carbon fiber seat cushion according to claim 5, characterized in that: The S7 preformed seat cushion plate is prepared by placing the carbon fiber sheets stacked in sequence in a close relationship and manually arranging them so that the upper and lower adjacent layers can fit closely together and discharge the internal air to the outside.

7. The production process of the carbon fiber seat cushion according to claim 1, characterized in that: In the S8 hot pressing molding, the hot pressing machine is preheated to 100° and the pressure value of the machine is set to 40KG. The hot pressing mold is then placed on the machine for hot pressing. The hot pressing machine is kept at a constant temperature and pressure for 15 minutes to complete the pre-curing of the hot pressing mold.

8. The production process of the carbon fiber seat cushion according to claim 7, characterized in that: In S9-S12, the seat cushion plate and bow frame formed by hot pressing are demoulded, and their outer edges are polished to remove excess burrs and excess carbon yarn and epoxy resin. The cracks are repaired with putty to maintain good aesthetics. The bow frame and the seat cushion plate are bonded and assembled together to form a complete seat cushion.

9. The production process of the carbon fiber seat cushion according to claim 8, characterized in that: A shock-absorbing plate is also provided between the lower end surface of the seat cushion plate and the upper end portion of the bow frame. The upper end surface of the shock-absorbing plate is bonded and fixed to the lower end surface of the seat cushion plate, and the lower end surface of the shock-absorbing plate and the upper end portion of the bow frame are bonded and fixed together, so that the three can be firmly fixed together, so that the seat cushion has a good shock-absorbing and buffering effect. The shock-absorbing plate is made of silicone material.

10. The production process of the carbon fiber seat cushion according to claim 9, characterized in that: In the above-mentioned S13-S21, the bonded and assembled cushion is cleaned to remove dust attached to the outer surface, and paint is sprayed on the outer surface to make it have good color. Then, it is baked by baking equipment so that the paint can be firmly attached to the outer surface of the cushion to provide good protection and wear resistance. Different patterns are transferred to the cushion by water marking to enhance the ornamental and uniqueness of the cushion. Then, the cushion after water marking is measured and recorded to ensure that the size of the cushion meets the design requirements. Then, the cushion that meets the size requirements is tested as a finished product to select cushions that meet the appearance requirements and quality requirements. Then, the cushion that meets the requirements is weighed and tested to ensure that the weight is within the specified numerical range. Then, the cushion is fixed with screws. Finally, the cushion is subjected to a rigidity test. Finally, the cushion that meets the test requirements is selected for packaging and cutting.

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