Integrated cover cap and processing method thereof

Abstract

The invention discloses an integrated cover cap and a machining method thereof, and relates to the technical field of plate machining. According to the technical scheme, the composite board is characterized by comprising a board body, the two sides of the board body are bent downwards to form side boards, the board body comprises a composite board and an outer board arranged on the surface of the outer side of the composite board, the composite board comprises a cellular board layer formed by splicing a plurality of cellular boards, a first polyurethane layer is arranged on the surface, facing the outer board, of the cellular board layer, and a second polyurethane layer is arranged on the surface, facing the outer board, of the cellular board layer. A first polyurethane layer is arranged on the surface of one side of the honeycomb plate layer, a first reinforcing fiber layer is arranged on the surface of the first polyurethane layer, a second reinforcing fiber layer is arranged on the surface of the other side of the honeycomb plate layer, a second polyurethane layer is arranged on the surface of the second reinforcing fiber layer, and the peripheral side of the outer plate is bent inwards to form a wrapping part wrapping the edge of the composite plate. The invention aims to provide an integrated cover cap and a processing method thereof.

Description

Technical Field

[0001] The present invention relates to the technical field of plate processing, and more particularly to an integrated cover and a processing method thereof. Background Art

[0002] A cover is generally provided on the top of some vehicles for protection. The cover includes a plate body and two side panels. For the convenience of processing, the plate body and the side panels are generally produced and processed separately, and then fixed to the vehicle through subsequent assembly.

[0003] However, the production efficiency of separately processing the plate body and the side panels is low, which increases the production cost. After installation, there are hidden dangers such as unstable installation and water leakage between the plate body and the side panels. In addition, the existing cover is generally made of metal, its overall weight is large, and its own strength is low.

[0004] Therefore, a new technical solution is urgently needed to solve the above technical problems. Summary of the invention

[0005] In view of the deficiencies in the prior art, an object of the present invention is to provide an integrated cover and a processing method thereof.

[0006] The above technical objectives of the present invention are achieved through the following technical solutions: an integrated cover, comprising a plate body, both sides of the plate body are bent downward to form side panels, the plate body comprises a composite plate and an outer plate arranged on the outer surface of the composite plate, the composite plate comprises a honeycomb plate layer formed by splicing a plurality of honeycomb plates, a first polyurethane layer is arranged on the surface of the honeycomb plate layer facing the outer plate, a first reinforcing fiber layer is arranged on the surface of the first polyurethane layer, a second reinforcing fiber layer is arranged on the other side surface of the honeycomb plate layer, a second polyurethane layer is arranged on the surface of the second reinforcing fiber layer, and the peripheral side of the outer plate is bent inward to form a covering portion covering the edge of the composite plate.

[0007] By adopting the above technical solution, by arranging the first polyurethane layer and the second polyurethane layer on the two side surfaces of the honeycomb panel layer, the overall weight of the cover can be effectively reduced, and by arranging the first reinforcing fiber layer and the second reinforcing fiber layer inside, the overall structural strength of the cover can be effectively improved, thereby improving the performance of the cover.

[0008] The present invention is further configured such that: the peripheral side of the honeycomb panel layer is coated with a third reinforcing fiber layer.

[0009] The present invention is further configured as follows: the first reinforcing fiber layer, the second reinforcing fiber layer and the third reinforcing fiber layer are specifically glass fiber surface felt.

[0010] The present invention is further configured such that: a plurality of positioning pins are provided on the inner surface of the outer plate.

[0011] The present invention is further configured as follows: the honeycomb panel layer is made of paper honeycomb panel or aluminum honeycomb panel.

[0012] The present invention is further configured such that: the outer panel is made of SMC sheet material.

[0013] A method for processing an integrated cover comprises the following steps:

[0014] Step S1: Place the outer plate in the concave mold and evenly lay the first

[0015] a reinforcing fiber layer;

[0016] Step S2: spray the low-foaming polyurethane uniformly on the first heating layer in step 1 by spraying

[0017] The surface of the strong fiber layer;

[0018] Step S3: Cut the honeycomb sheet into several honeycomb sheets of different sizes and shapes according to the size and shape of the processed cover, and splice them into honeycomb sheets corresponding to the shape of the inner surface of the outer sheet.

[0019] The honeycomb panel is provided with a third reinforcing fiber layer which is wrapped around the periphery of the honeycomb panel;

[0020] Step S4, placing the honeycomb panel in step S3 into a concave mold of another hot pressing processing equipment, evenly laying the second reinforcing fiber layer on the inner surface of the honeycomb panel, spraying low-foaming polyurethane evenly on the surface of the second reinforcing fiber layer through a spray gun, closing the upper mold with the lower mold, and forming a honeycomb panel layer, the second reinforcing fiber layer, the third reinforcing fiber layer and the second reinforcing fiber layer after hot pressing and cooling.

[0021] A honeycomb prefabricated panel formed of polyurethane layers;

[0022] Step S5, placing the honeycomb prefabricated board in step S4 in the concave mold in step 2, so that

[0023] The polyurethane reinforcing fiber layer is located on the surface of the first reinforcing fiber layer sprayed with polyurethane;

[0024] Step S6, closing the upper mold and the lower mold in step S5, hot pressing and cooling to form a finished cover.

[0025] The present invention is further configured as follows: in the step S3, a plurality of honeycomb panels are fixedly spliced ​​into a honeycomb panel by gluing or stapling, and a honeycomb panel layer is formed after hot pressing in step S8.

[0026] The present invention is further configured as follows: in step S4, the strip-shaped glass fiber felt is fixed to the peripheral side of the honeycomb panel by coating with viscose.

[0027] The present invention has the following beneficial effects: 1. By arranging the first polyurethane layer and the second polyurethane layer on both side surfaces of the honeycomb panel layer, the overall weight of the cover can be effectively reduced, and by arranging the first reinforcing fiber layer and the second reinforcing fiber layer inside the cover, the overall structural strength of the cover can be effectively improved, thereby improving the use performance of the cover, so that the cover has good heat insulation, thermal insulation, and sound insulation and sound absorption properties.

[0028] 2. The processing procedure of the present application is simple, and through secondary hot pressing molding, the production efficiency can be effectively improved and the production cost can be greatly reduced. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] Figure 1 It is a structural schematic diagram of a specific embodiment;

[0030] Figure 2 It is a schematic cross-sectional structure diagram of a specific embodiment;

[0031] Figure 3 It is a structural schematic diagram of specific embodiment 2.

[0032] Description of the drawings: 1. Plate body; 101. Composite plate; 1011. Honeycomb plate layer; 1012. First polyurethane layer; 1013. First reinforcing fiber layer; 1014. Second reinforcing fiber layer; 1015. Second polyurethane layer; 1017. Third reinforcing fiber layer; 102. Outer plate; 1021. Positioning pin; 1022. Covering part; 2. Side plate; 3. Lower mold; 4. Upper mold. DETAILED DESCRIPTION

[0033] The present invention is further described in detail below in conjunction with the accompanying drawings.

[0034] The same parts are denoted by the same reference numerals. It should be noted that the words "front", "rear", "left", "right", "upper" and "lower" used in the following description refer to directions in the drawings, and the words "bottom" and "top", "inner" and "outer" refer to directions toward or away from the geometric center of a specific component, respectively. Specific embodiment 1:

[0036] As shown in the figure, an integrated cover includes a plate body 1, both sides of the plate body 1 are bent downward to form side plates 2, the plate body 1 includes a composite plate 101 and an outer plate 102 arranged on the outer surface of the composite plate 101, the composite plate 101 includes a honeycomb plate layer 1011 formed by splicing a plurality of honeycomb plates, a first polyurethane layer 1012 is arranged on the surface of the honeycomb plate layer 1011 facing the outer plate, a first reinforcing fiber layer 1013 is arranged on the surface of the first polyurethane layer 1012, a second reinforcing fiber layer 1014 is arranged on the other side surface of the honeycomb plate layer 1011, a second polyurethane layer 1015 is arranged on the surface of the second reinforcing fiber layer 1014, and the peripheral side of the bottom of the outer plate 102 is bent inward to form a covering portion 1022 covering the edge of the composite plate 101.

[0037] By arranging the first polyurethane layer 1012 and the second polyurethane layer 1015 on both side surfaces of the honeycomb panel layer 1011, the overall weight of the cover can be effectively reduced, and by arranging the first reinforcing fiber layer 1013 and the second reinforcing fiber layer 1014 inside, the overall structural strength of the cover can be effectively improved, thereby improving the performance of the cover.

[0038] The surrounding side of the honeycomb panel layer 1011 is coated with a third reinforcing fiber layer 1017 to improve the structural strength of its edge, thereby effectively preventing the side of the cover from cracking and improving its service life.

[0039] The first reinforcing fiber layer 1013 , the second reinforcing fiber layer 1014 and the third reinforcing fiber layer 1017 are specifically glass fiber surface felts, and a number of positioning pins 1021 are evenly arranged on the inner surface of the outer panel. The positioning pins 1021 pass through the first reinforcing fiber layer 1013 to further improve its structural stability.

[0040] The honeycomb panel layer 1011 is made of paper honeycomb panel or aluminum honeycomb panel, and the outer panel is made of SMC panel. Specific embodiment 2:

[0042] A hot pressing processing device for an integrated cover comprises a lower die 3 and an upper die 4, wherein the lower die 3 is a concave die adapted to the shape of the outer surface of the outer plate, and the upper die 4 is a convex die adapted to the shape of the inner surface of the composite plate. The upper die 4 is pressed into the lower die 3 to perform hot pressing molding on the cover. Specific embodiment 3:

[0044] A method for processing an integrated cover comprises the following steps:

[0045] Step S1, placing the outer panel 102 in the concave mold, and evenly laying the first reinforcing fiber layer 1013 on the inner surface of the outer panel 102, passing the positioning needle 1021 on the inner surface of the outer panel 102 through the first reinforcing fiber layer 1013, thereby ensuring the stability of the first reinforcing fiber layer 1013 and preventing it from sliding off the inner walls on both sides of the outer panel, which is convenient for processing;

[0046] Step S2: spray the low-foaming polyurethane uniformly on the first heating layer in step 1 by spraying

[0047] The surface of the strong fiber layer 1013;

[0048] Step S3: according to the size and shape of the processed cover, the honeycomb sheet is cut into several honeycomb sheets of different sizes and shapes, and they are spliced ​​into honeycomb sheets corresponding to the shape of the inner surface of the outer plate 102 by glue or stapler, and the strip-shaped third reinforcing fiber layer 1017 is coated with glue.

[0049] Fixed to the edge of the honeycomb panel;

[0050] Step S4, placing the honeycomb panel in step S3 into a concave mold of another hot pressing processing equipment, evenly laying the second reinforcing fiber layer 1014 on the inner surface of the honeycomb panel, spraying low-foaming polyurethane evenly on the surface of the second reinforcing fiber layer 1014 through a spray gun, closing the upper mold with the lower mold, and forming a honeycomb panel layer 101, the second reinforcing fiber layer 1014, and the first reinforcing fiber layer 1014 after hot pressing and cooling.

[0051] A honeycomb prefabricated panel formed by three reinforcing fiber layers 1017 and a second polyurethane layer 1015;

[0052] Step S5, placing the honeycomb prefabricated board in step S4 in the concave mold in step 2, so that

[0053] It is located on the surface of the first reinforcing fiber layer 1013 sprayed with polyurethane;

[0054] Step S6, closing the upper mold and the lower mold in the hot pressing processing equipment in step S5, and forming a finished cover after hot pressing and cooling.

[0055] The specific embodiments are merely explanations of the present invention and are not limitations of the present invention. After reading this specification, those skilled in the art may make modifications to the embodiments without any creative contribution as needed. However, such modifications are protected by the patent law as long as they are within the scope of the claims of the present invention.

Claims

1. An integrated cover, Features: The invention comprises a plate body (1), wherein both sides of the plate body (1) are bent downward to form side plates (2), the plate body (1) comprises a composite plate (101) and an outer plate (102) arranged on the outer surface of the composite plate (101), the composite plate (101) comprises a honeycomb plate layer (1011) formed by splicing a plurality of honeycomb plates, a first polyurethane layer (1012) is arranged on the surface of the honeycomb plate layer (1011) facing the outer plate (102), a first reinforcing fiber layer (1013) is arranged on the surface of the first polyurethane layer (1012), a second reinforcing fiber layer (1014) is arranged on the other side surface of the honeycomb plate layer (1011), a second polyurethane layer (1015) is arranged on the surface of the second reinforcing fiber layer (1014), and a circumferential side of the outer plate (102) is bent inward to form a covering portion (1022) covering the edge of the composite plate (101).

2. The integrated cover according to claim 1, Features: The peripheral side of the honeycomb panel layer (1011) is coated with a third reinforcing fiber layer (1017).

3. The integrated cover according to claim 1, Features: The first reinforcing fiber layer (1013), the second reinforcing fiber layer (1014) and the third reinforcing fiber layer (1017) are specifically glass fiber surface felt.

4. The integrated cover according to claim 1, Features: A plurality of positioning pins (1021) are provided on the inner surface of the outer plate (102).

5. The integrated cover according to claim 1, Features: The honeycomb panel layer (1011) is made of paper honeycomb panel or aluminum honeycomb panel.

6. The integrated cover according to claim 1, Features: The outer plate (102) is made of SMC plate.

7. A method for processing an integrated cover, Features: The specific steps include: Step S1, placing the outer panel (102) in a concave mold, and evenly laying a first reinforcing fiber layer (1013) on the inner surface of the outer panel (102); Step S2, spraying low-foaming polyurethane uniformly on the surface of the first reinforcing fiber layer (1013) in step 1 by using a spray gun; Step S3, cutting the honeycomb plate into a plurality of honeycomb plates of different sizes and shapes according to the size and shape of the processed cover, splicing them into a honeycomb plate member corresponding to the shape of the inner surface of the outer plate (102), and coating and connecting the third reinforcing fiber layer (1017) around the honeycomb plate member; Step S4, placing the honeycomb panel in step S3 into a concave mold of another hot pressing processing equipment, evenly laying the second reinforcing fiber layer (1014) on the inner surface of the honeycomb panel, evenly spraying low-foaming polyurethane on the surface of the second reinforcing fiber layer (1014) by a spray gun, closing the upper mold with the lower mold, and forming a honeycomb prefabricated board formed by the honeycomb panel layer (101), the second reinforcing fiber layer (1014), the third reinforcing fiber layer (1017) and the second polyurethane layer (1015) after hot pressing and cooling; Step S5, placing the honeycomb prefabricated panel in step S4 in the concave mold in step 2 so that it is located on the surface of the first reinforcing fiber layer (1013) sprayed with polyurethane; Step S6, closing the upper mold and the lower mold in step S5, hot pressing and cooling to form a finished cover.

8. The method for processing the integrated cover according to claim 7, Features: In the step S3, a plurality of honeycomb panels are fixedly spliced ​​into a honeycomb panel by gluing or stapling, and a honeycomb panel layer (1011) is formed after hot pressing in step S8.

9. The method for processing the integrated cover according to claim 7, Features: In step S3, the strip-shaped third reinforcing fiber layer (1017) is fixed to the edge of the honeycomb panel by adhesive coating.

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