阅读说明：本技术 一种压合座椅背板及其制作方法 (pressing seat back plate and manufacturing method thereof ) 是由 杨劲松 于 2019-09-05 设计创作，主要内容包括：本发明属于座椅背板生产技术领域,尤其为一种压合座椅背板及其制作方法,包括复合纤维背板主体,所述复合纤维背板主体由如下重量份的原料组成：10-50重量份的椰棕纤维、2-20重量份的阻燃纤维、5-20重量份的增强纤维、2-10重量份的麻纤维；采用椰棕纤维、阻燃纤维、增强纤维以及麻纤维混合制成复合纤维材料,用来制作座椅背板,椰棕纤维具有很好的不续燃性,阻燃纤维在低温条件下具有很好的阻燃性,在高温情况下能熔融粘合椰棕纤维、增强纤维和麻纤维,增强纤维在复合中起到增强复合材料强度的作用,使得最后制得的材料强度更高、质量更轻,麻纤维具有较好的结构强度和抗冲击强度,能够满足座椅背板的抗冲击和使用强度的需求。(The invention belongs to the technical field of production of seat back plates, and particularly relates to a press-fit seat back plate and a manufacturing method thereof, wherein the press-fit seat back plate comprises a composite fiber back plate main body, and the composite fiber back plate main body is composed of the following raw materials in parts by weight: 10-50 parts of coconut fiber, 2-20 parts of flame-retardant fiber, 5-20 parts of reinforcing fiber and 2-10 parts of fibrilia; adopt the coconut palm fibre, fire-retardant fiber, composite fiber material is made in reinforcing fiber and fibrilia mixture, be used for making the seat backplate, the coconut palm fibre has fine incombustibility, fire-retardant fiber has fine fire resistance under the low temperature condition, can melt bonding coconut palm fibre under the high temperature condition, reinforcing fiber and fibrilia, reinforcing fiber plays the effect of reinforcing composite strength in compounding, make the material intensity that makes at last higher, the quality is lighter, fibrilia has better structural strength and impact strength, can satisfy the demand of seat backplate's shock resistance and service strength.)

1. A kind of pressing fit seat back, characterized by: the composite fiber backboard comprises a composite fiber backboard main body (1), wherein the composite fiber backboard main body (1) is composed of the following raw materials in parts by weight: 10-50 parts of coconut fiber, 2-20 parts of flame retardant fiber, 5-20 parts of reinforcing fiber and 2-10 parts of fibrilia, wherein the decorative layer (2) is glued on the outer surface of the composite fiber backboard main body (1), and the composite fiber backboard main body (1) and the decorative layer (2) are bonded and fixed.

2. a press-fit seat back panel according to claim 1, wherein: the content of the coconut fiber, the content of the flame retardant fiber, the content of the reinforcing fiber and the content of the hemp fiber are different, wherein the content of the coconut fiber is larger than the content of the other three fibers.

3. A press-fit seat back panel according to claim 1, wherein: the decorative layer (2) is made of non-woven fabrics, PVC or TPO materials.

4. a press-fit seat back panel according to claim 1, wherein: the composite fiber backboard main body (1) and the decoration layer (2) are bonded and fixed by hot melt adhesive or composite adhesive.

5. A manufacturing method of a press-fit seat back plate is characterized by comprising the following steps: the method comprises the following steps:

S1, stirring and mixing the coconut fibers, the flame-retardant fibers, the reinforcing fibers and the fibrilia by an external container for 5min, standing for reacting for 20-30min after stirring and mixing, and stirring at a constant speed for 10min again to obtain composite fibers;

S2, putting the composite fiber obtained by mixing in the S1 into external hot forming equipment for hot forming, wherein the heating temperature is 180-200 ℃, and the heating time is 25-30S, so as to form a blank;

S3, cutting the edge of the prepared blank by adopting an external cutting tool;

s4, laying the decoration layer (2) on the blank, and sending the cut blank into a hot-pressing die for hot pressing again, wherein the hot-pressing temperature is 180-220 ℃, and the hot-pressing time is 20-30S;

and S5, demolding, and taking out the press-fit seat back plate.

6. the method for manufacturing a press-fit seat back plate according to claim 5, wherein: and the external hot-pressing equipment is a hot-forming machine or a hot-pressing forming machine, the composite fibers obtained by mixing are subjected to hot-pressing forming, and the hot pressing is stopped when the water content of the blank is 12-14%, so that the blank is formed.

7. The method for manufacturing a press-fit seat back plate according to claim 5, wherein: in S4, the cut blank is hot pressed by a heat setting machine or a hot press forming machine.

Technical Field

the invention belongs to the technical field of seat back plate production, and particularly relates to a press-fit seat back plate and a manufacturing method thereof.

Background

The car seat is the seat of taking when the seat, can provide the operation of being convenient for the driver and passenger, comfortable safe driving, the position of taking, it is the key of technique in the car of present stage to improve the car interior travelling comfort, especially, can obviously promote the travelling comfort to the transformation of car seat, the seat around the car seat divides, the travelling comfort is taken in order to guarantee to the front and back seat, generally all can add and be equipped with the seat backplate, present seat backplate adopts hot briquetting's mode pressfitting to make mostly, along with people's environmental protection, the energy saving, the continuous reinforcing of consciousness such as price/performance ratio, requirement is higher and higher to the quality and the environmental protection of seat backplate, and the seat backplate that adopts hot briquetting not only uses in the automobile field, all aspects at life and production have the application, application range.

the traditional seat back plate still has some insufficiencies after the finished production is made, and the current seat back plate and the decorative layer are generally connected by adopting a gluing mode, so that the phenomenon that the decorative layer falls off due to the aging of a gluing surface is easy to occur, the service life is short, and when the hot press molding is carried out, a large amount of toxic gas is released by the high-temperature reaction of plastics, and the health of workers is damaged.

disclosure of Invention

To solve the problems set forth in the background art described above. The invention provides a press-fit seat back plate and a manufacturing method thereof, and the press-fit seat back plate has the characteristics of simple and reasonable structure, safety and stability in use, high production efficiency and long service life.

in order to achieve the purpose, the invention provides the following technical scheme: the press-fit seat back plate comprises a composite fiber back plate main body, wherein the composite fiber back plate main body is composed of the following raw materials in parts by weight: 10-50 parts of coconut fiber, 2-20 parts of flame retardant fiber, 5-20 parts of reinforcing fiber and 2-10 parts of fibrilia, wherein a decorative layer is glued on the outer surface of the composite fiber backboard main body, and the composite fiber backboard main body and the decorative layer are fixedly bonded.

Preferably, the content of the coconut fiber, the flame retardant fiber, the reinforcing fiber and the hemp fiber is different, wherein the content of the coconut fiber is larger than that of the other three fibers.

Preferably, the decorative layer is made of non-woven fabrics, PVC or TPO materials.

preferably, the composite fiber backboard main body and the decoration layer are bonded and fixed by hot melt adhesive or composite adhesive.

The manufacturing method of the press-fit seat back plate comprises the following steps:

S1, stirring and mixing the coconut fibers, the flame-retardant fibers, the reinforcing fibers and the fibrilia by an external container for 5min, standing for reacting for 20-30min after stirring and mixing, and stirring at a constant speed for 10min again to obtain composite fibers;

s2, putting the composite fiber obtained by mixing in the S1 into external hot forming equipment for hot forming, wherein the heating temperature is 180-200 ℃, and the heating time is 25-30S, so as to form a blank;

S3, cutting the edge of the prepared blank by adopting an external cutting tool;

S4, laying the decoration layer on the blank, and sending the cut blank into a hot-pressing die for hot pressing again, wherein the hot-pressing temperature is 180-;

And S5, demolding, and taking out the press-fit seat back plate.

Preferably, the external hot-pressing equipment is a heat setting machine or a hot-pressing forming machine, the composite fibers obtained by mixing are subjected to hot-pressing setting, and the hot pressing is stopped when the water content of the blank is 12% -14%, so that the blank is formed.

preferably, in S4, the cut blank is hot-pressed by a heat setting machine or a hot press forming machine.

Compared with the prior art, the invention has the beneficial effects that:

1. the pressed seat back plate and the manufacturing method thereof adopt the coconut fiber, the flame retardant fiber, the reinforced fiber and the fibrilia to mix and prepare the composite fiber material which is used for manufacturing the seat back plate, the coconut fiber has good non-continuous flame retardancy, the flame retardant fiber has good flame retardancy under the condition of low temperature, the coconut fiber, the reinforced fiber and the fibrilia can be fused and bonded under the condition of high temperature, the reinforced fiber plays a role of reinforcing the strength of the composite material in the compounding process, so that the finally manufactured material has higher strength and lighter weight, the fibrilia has better structural strength and impact strength, the requirements of the impact resistance and use strength of the seat back plate can be met, the seat back plate is manufactured by utilizing the composite fiber material, the composite fiber does not contain formaldehyde, therefore, the composite fiber can not burn or burn again under the condition of high temperature and hot pressing, and toxic gas can not be generated after high temperature and hot pressing, the harm to the human body is reduced, and the processing process is safe and stable;

2. In addition, after the seat back plate is formed into a blank, the decorative layer is adhered to the composite fiber back plate, and after the decorative layer and the composite fiber back plate are adhered, the final secondary hot pressing process is performed, so that after the seat back plate is pressed and molded, the decorative layer does not need to be additionally arranged again, the production processes are reduced, the decorative layer and the seat back plate are pressed and molded, the connection is firm, the decorative layer is not easy to fall off, and the service life is long.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:

FIG. 1 is a rear view of the present invention;

Fig. 2 is a schematic front view of the present invention.

In the figure: 1. a composite fiber back panel body; 2. and (7) a decorative layer.

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.