Novel automotive interior door panel assembly

Abstract

The utility model belongs to the field of automobile interior door panels, and particularly relates to a novel automobile interior door panel assembly which comprises a back structure, a fibrilia layer and a surface layer, the fibrilia layer is located between the back structure and the surface layer, and the back structure, the fibrilia layer and the surface layer are placed in integrated forming equipment to form the door panel assembly at a time. Reinforcing ribs, an installation structure and a welding structure are arranged on the back structure, the reinforcing ribs on the back structure are made of plastic materials, natural fiber reinforced polypropylene materials are added into the plastic materials, the fibrilia layer is made of fibrilia plate materials, the surface layer is arranged to be skin, and a door plate body is arranged on the door plate assembly. An upper decorative plate is arranged on the upper portion of the door plate body, a middle decorative plate and a handrail are arranged in the middle of the door plate body, and a map pocket is arranged on the lower portion of the door plate body. The number of dies of the door plate assembly can be reduced, the forming process is reduced, and the overall production efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of automotive interior door panel, concretely relates to a novel automotive interior door panel assembly. BACKGROUND

[0002] Automotive interior door panel assembly is an indispensable part of automotive interior parts, and is an important part of automotive interior. The conventional interior door panel can be divided into upper decorative plate, middle decorative plate, armrest, map pocket and door body at present. In order to carry atmosphere lamp, loudspeaker, handle and foot lamp, the main part is generally split. Taking a set of four door panels as an example, at least 7 sets of molds are needed to develop, and the skeleton substrate of the parts is formed. When it needs to be coated, it also needs to be processed and formed in the subsequent process. It needs more links and more labor, and the production cost is high. UTILITARY MODEL

[0003] In order to solve the above problems in the prior art, the utility model provides a novel automotive interior door panel assembly, which can reduce the number of molds of the door panel assembly, reduce the forming process and improve the overall production efficiency.

[0004] In order to achieve the above purpose, the utility model provides the following technical scheme: a novel automotive interior door panel assembly, comprising a back structure, a hemp fiber layer and a surface layer, the hemp fiber layer is located between the back structure and the surface layer, the back structure, the hemp fiber layer and the surface layer are placed in an integrated forming equipment to form the door panel assembly at one time, the back structure is provided with a reinforcing rib, a mounting structure and a welding structure, the reinforcing rib on the back structure is made of plastic material and natural fiber reinforced polypropylene material is added therein, the hemp fiber layer is made of hemp fiber plate material, and the surface layer is provided as a skin.

[0005] Further, the door panel assembly is provided with a door body, the upper part of the door body is provided with an upper decorative plate, the middle part is provided with a middle decorative plate and an armrest, and the lower part is provided with a map pocket. The middle decorative plate is located above the armrest.

[0006] Compared with the prior art, the utility model has the advantages of:

[0007] 1. The utility model can reduce the number of mold development, reduce the cost of mold development, taking and storage during forming;

[0008] 2. The utility model can reduce the production rhythm of the door body parts and improve the efficiency;

[0009] 3. The utility model can realize integrated production to avoid multiple processes and reduce the investment of production site;

[0010] 4. The utility model reduces the space required for part assembly and improves the utilization rate of the factory.

[0011] 5、 The utility model provides more flexible assembly selection;

[0012] 6、 The utility model discloses natural fiber material is selected, improves the regeneration utilization rate of door plate body and reduces the carbon emission of spare part. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is single part composition schematic drawing of the utility model;

[0014] Figure 2 It is front structure schematic drawing of the utility model;

[0015] Figure 3 It is back structure schematic drawing of the utility model;

[0016] Figure 4 It is explosion schematic drawing of the utility model;

[0017] Figure 5 It is back structure schematic drawing of the utility model;

[0018] Figure 6 It is the forming flow chart of the utility model. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the utility model will be described clearly and completely below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0020] Please refer to Figures 1-6 The utility model provides the following technical scheme: a novel automobile interior door panel assembly, including back structure 1, hemp fiber layer 2 and surface layer 3, hemp fiber layer 2 is located between back structure 1 and surface layer 3, when processing, back structure 1, hemp fiber layer 2 and surface layer 3 are placed in integrated forming equipment one-time forming door panel assembly, after forming, the door panel assembly is provided with door plate body 4, the upper portion of door plate body 4 is provided with upper decorative plate 5, the middle portion is provided with middle decorative plate 6 and handrail 7, and the lower portion is provided with map pocket 8, middle decorative plate 6 is located above handrail 7, the forming process can reduce the forming process, improve production efficiency, avoid multiple processes, and reduce the investment of production site;

[0021] The back structure 1 is formed by injection molding, and the injection molding material can be selected from different kinds of thermoplastics according to requirements, the back structure 1 is provided with the reinforcing ribs and mounting structures of the door panel body 4, the reinforcing ribs and mounting structures of the upper decorative plate 5, the reinforcing ribs and mounting structures of the middle decorative plate 6, the reinforcing ribs and mounting structures of the handrail 7 and the reinforcing ribs and mounting structures of the map pocket 8, respectively, the back structure 1 is also provided with welding structures required in a subsequent forming process, the reinforcing ribs on the back structure 1 are made of plastic material and are added with natural fiber reinforced polypropylene material, the strength of the door panel assembly is improved while the carbon emission of the automobile is reduced, and the back structure 1 is formed in a set of molds, so that only four sets or two sets of molds are required for the development of a whole vehicle, the development cost and period of the molds are greatly reduced, and the cost of mold taking and storage is reduced;

[0022] The hemp fiber layer 2 is made of hemp fiber plate material and is a main skeleton part of the door panel assembly and is made by mold pressing, the hemp fiber layer 2 greatly increases the application of natural fibers in automobile parts and greatly reduces the carbon emission of the automobile;

[0023] The surface layer 3 is provided as a skin, the appearance effect of the door panel assembly is selected according to customer requirements, different skins can be selected to achieve different coating effects, the effect of the surface layer 3 is realized at the same time when mold pressing, in addition, polypropylene film can be selected to realize the texture of normal plastic parts or hemp fiber silk woven fabric to further reduce the carbon emission value, but the surface layer 3 needs to be separately treated on the surface according to customer requirements after the part is completed.

[0024] The equipment used in the production of the utility model includes: integrated forming equipment: including a 1000-ton press, a mold pressing forming mold and a heating unit. The press mainly provides pressure during forming, so that the hemp fiber material can be fully compressed in the cavity to reach the design state of the part; the mold pressing forming mold is divided into upper and lower two layers, the upper mold is installed with the upper layer of the press, and the lower mold is installed with the lower layer of the press, the part is formed by pressing the mold during forming, the mold pressing forming mold needs to be designed according to actual requirements, mainly to meet the appearance requirements and processing requirements of the customer's parts; the main purpose of the heating unit is to melt the back structure 1 and heat the skin or adhesive that may need to be heated;

[0025] The oven type heating equipment includes a track for transporting hemp fiber plate material, a heating lamp and a heat preservation and insulation box, and the main purpose is to heat the hemp fiber plate material so that the hemp fiber plate material can be fully expanded during forming and filled into the cavity;

[0026] The integrated transmission equipment includes a skin clamping mechanism and a transmission equipment, when two or more than two skins are involved, the skins can be combined together by sewing and the like, and then the transmission equipment is used for transmitting the skins.

[0027] The utility model discloses a process flow is: first, back structure 1 is injected in injection mold, then back structure 1 is placed into the lower mould, then heating unit heats back structure 1, and the oven -type heating equipment transports over and heats the hemp fiber board material, and the skin is transported to the position in corresponding mould and heats, then the press is pressed, and the mould is combined, and the hemp fiber board material realizes the bonding with back structure 1 and the skin, and the hemp fiber board material itself is formed according to the mould, finally, the press is opened, and the part is taken out, and the production process ends.

[0028] Finally, it should be noted that: the above is only the preferred embodiment of the utility model, and is not used to limit the utility model, although the utility model is described in detail with reference to the foregoing embodiments, for the person skilled in the art, still can modify the technical scheme recorded in the foregoing each embodiment, or equivalent replacement to part of technical features. Any modification, equivalent replacement, improvement etc. that is made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A new type of automotive interior door panel assembly characterized in that, Include back structure (1), hemp fiber layer (2) and surface layer (3), the hemp fiber layer (2) is located between back structure (1) and surface layer (3), the back structure (1), hemp fiber layer (2) and surface layer (3) are placed in integrated forming equipment once forming door panel assembly, the back structure (1) is provided with reinforcing rib, mounting structure and welding structure, the reinforcing rib on the back structure (1) adopts plastic material and wherein adds natural fiber reinforced polypropylene material, the hemp fiber layer (2) adopts hemp fiber plate material, the surface layer (3) is provided as skin.

2. A new type of automotive interior door panel assembly as claimed in claim 1, wherein, The door panel assembly is provided with door panel body (4), the upper portion of the door panel body (4) is provided with upper decorative plate (5), the middle portion is provided with middle decorative plate (6) and handrail (7), and the lower portion is provided with map bag (8), the middle decorative plate (6) is located above the handrail (7).

Images