Lost foam casting for automobile door panel

Abstract

The utility model relates to the field of automobile manufacturing, and discloses an automobile door panel evanescent mode casting which comprises a bottom plate forming a casting body, an anti-impact assembly is arranged in the bottom plate and used for improving the overall strength and rigidity of an automobile door panel, the interior of the bottom plate is connected with a cellular board through a buckle assembly, and the cellular board is used for improving the sound insulation performance. The honeycomb plate is arranged on the bottom plate and used for installing the honeycomb plate into the bottom plate, a cover plate is arranged on the top side of the bottom plate, a handle groove used for installing a door handle is formed in the top side of the cover plate, installing grooves used for installing interior trims are formed in the four corners of the top side of the cover plate, and two hinge grooves used for installing hinges are formed in the right side of the bottom plate. According to the automobile door panel, the sound insulation performance of the automobile door panel is improved through the honeycomb panel, the honeycomb panel is convenient to disassemble and replace, the rigidity and strength of the automobile door panel are improved through the reinforcing ribs and the rib plates, and therefore harm to people in an automobile when the automobile is damaged is reduced.

Description

Technical Field

[0001] The utility model relates to the field of automobile manufacturing, in particular to an automobile door panel lost foam casting. Background Art

[0002] Automobile manufacturing is an industrial process that assembles a complete vehicle from various raw materials and parts through a series of complex processes. It encompasses design, R&D, and production. The design phase determines the vehicle's appearance, performance, and functionality. R&D drives the application of new technologies, such as new energy vehicles and autonomous driving. During production, stamping transforms sheet metal into body components, welding joins these components together, and painting provides protection and aesthetic appeal. Final assembly integrates numerous components, including the engine, seats, interior, and electronic systems, into the vehicle. Only after rigorous quality inspections are vehicles finally shipped. Lost foam casting of automobile door panels is part of the component manufacturing process. Door panels are a crucial component in automobile body manufacturing. Lost foam castings are primarily used to create the basic structure of door panels, providing the framework for subsequent processing and assembly. The use of lost foam casting technology at this stage allows for precise shaping of the door panels, including their contours and internal reinforcements. In the entire automobile manufacturing process, after the door panel lost foam casting is completed, it will enter the subsequent processing steps, such as surface treatment, installation of interior decoration, electrical equipment (such as audio, window lifts) and sealing components, and finally be assembled with other body parts to form a complete automobile body.

[0003] However, the sound insulation effect of the current lost foam castings of automobile door panels is poor, resulting in a poor sound insulation environment in the car, which may affect the driver's driving. In addition, the strength and rigidity of automobile door panels are relatively low, which may cause greater harm to the occupants of the car when impacted or hit.

[0004] In view of this, and in response to this technical problem, the present application proposes a lost foam casting of an automobile door panel. Utility Model Content

[0005] The purpose of the utility model is to solve the shortcomings of the prior art and to propose a lost foam casting for an automobile door panel, which aims to improve the sound insulation performance of the automobile door panel by using a honeycomb panel and make the honeycomb panel easy to disassemble and replace, and to increase the rigidity and strength of the automobile door panel by using reinforcing ribs and ribs, thereby reducing the harm caused to occupants when the vehicle is damaged.

[0006] To achieve the above objectives, the present invention provides the following technical solutions:

[0007] A lost foam casting of an automobile door panel comprises a base plate forming a main body of the casting, an anti-impact component being provided inside the base plate for improving the overall strength and rigidity of the automobile door panel, a honeycomb panel for improving sound insulation performance being connected to the interior of the base plate via a snap assembly for mounting the honeycomb panel to the interior of the base plate, a cover plate being provided on the top side of the base plate, a handle groove for mounting a door handle being provided on the top side of the cover plate, mounting grooves for mounting an interior trim being provided at the four corners of the top side of the cover plate, and two hinge grooves for mounting hinges being provided on the right side of the base plate.

[0008] Furthermore, the impact-resistant component includes a plurality of reinforcing ribs fixedly connected to the bottom side of the bottom plate, two ribs are fixedly connected to the top side of the reinforcing ribs, the reinforcing ribs are located on the bottom side of the honeycomb panel, and the ribs are located on the left and right sides of the honeycomb panel.

[0009] Furthermore, the snap assembly includes a telescopic rod fixedly connected to the four inner corners of the bottom plate, one end of the telescopic rod is fixedly connected to a snap rod, and the snap rod is inserted into the interior of the honeycomb panel.

[0010] Furthermore, a spring is sleeved on the outer wall of the telescopic rod, one end of the spring is connected to one side of the interior of the bottom plate, and the other end of the spring is connected to one side of the honeycomb panel.

[0011] Furthermore, a metal plate is fixedly connected to the outer wall of the snap rod for separating the snap rod from the honeycomb panel.

[0012] Furthermore, grooves are provided at the four corners of the top side of the cover plate, and bolts are provided inside the grooves. The bolts on the rear side pass through the grooves and the bottom plate from back to front, and the bolts on the front side pass through the grooves and the bottom plate from front to back.

[0013] Furthermore, two lock slots for installing locks are provided on the right side of the base plate, and a window slot for installing a window is provided on the rear side of the base plate.

[0014] Furthermore, a sealing ring groove for installing a sealing ring is opened on the outer periphery of the bottom plate, and the bottom side of the bottom plate is coated with a heat insulation coating.

[0015] The utility model has the following beneficial effects:

[0016] 1. The present invention aims to improve the sound insulation performance of automobile door panels by using honeycomb panels, and to enable the snap rods to be automatically inserted into the honeycomb panels by using springs and telescopic rods, thereby fixing the honeycomb panels and facilitating the disassembly and replacement of the honeycomb panels.

[0017] 2. In the present invention, reinforcing ribs and ribs are arranged in the bottom plate to improve the rigidity and strength of the automobile door panel, and honeycomb panels are used to reduce the harm to the occupants when the vehicle is damaged, thereby improving the safety of the vehicle. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a three-dimensional diagram of a lost foam casting of an automobile door panel proposed in the utility model;

[0019] Figure 2 This is a side view of a lost foam casting of an automobile door panel proposed in the utility model;

[0020] Figure 3 for Figure 2 Enlarged view of point A in the middle;

[0021] Figure 4 This is a schematic diagram of the internal structure of the bottom plate of a lost foam casting of an automobile door panel proposed in the present invention;

[0022] Figure 5 for Figure 4 Enlarged view of point A in the middle.

[0023] Legend:

[0024] 1. Bottom plate; 2. Window slot; 3. Lock slot; 4. Groove; 5. Mounting slot; 6. Cover plate; 7. Hinge slot; 8. Handle slot; 9. Sealing ring slot; 10. Bolt; 11. Honeycomb panel; 12. Rib; 13. Reinforcement rib; 14. Telescopic rod; 15. Spring; 16. Snap rod; 17. Metal plate. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0026] Reference Figure 1-5The utility model provides an embodiment: a lost foam casting of an automobile door panel, comprising a bottom plate 1 forming the main body of the casting, a honeycomb panel 11 for improving the sound insulation performance is connected to the interior of the bottom plate 1, a cover plate 6 is provided on the top side of the bottom plate 1, a handle groove 8 for installing a door handle is opened on the top side of the cover plate 6, and mounting grooves 5 for installing interior decoration are opened at the four corners of the top side of the cover plate 6, two hinge grooves 7 for installing hinges are opened on the right side of the bottom plate 1, a plurality of reinforcing ribs 13 are fixedly connected to the bottom side of the bottom plate 1, and the top side of the reinforcing ribs 13 are fixedly connected to the bottom side of the bottom plate 1. There are two ribs 12 fixedly connected, and the overall strength and rigidity of the door panel of the automobile are improved by reinforcing ribs 13 and ribs 12. The reinforcing ribs 13 are located on the bottom side of the honeycomb panel 11, and the ribs 12 are located on the left and right sides of the honeycomb panel 11. Two lock grooves 3 for installing locks are provided on the right side of the bottom plate 1, and a window groove 2 for installing the window is provided at the rear of the bottom plate 1. A sealing ring groove 9 for installing the sealing ring is provided on the outer periphery of the bottom plate 1. The bottom side of the bottom plate 1 is coated with a heat-insulating coating to improve the heat resistance of the outer side of the door panel.

[0027] The four corners of the inner side of the bottom plate 1 are fixedly connected with a telescopic rod 14, one end of the telescopic rod 14 is fixedly connected with a snap rod 16, and the snap rod 16 is inserted into the interior of the honeycomb panel 11, and the honeycomb panel 11 is fixed to the interior of the bottom plate 1. The outer wall of the telescopic rod 14 is provided with a spring 15, one end of the spring 15 is connected to one side of the interior of the bottom plate 1, and the other end of the spring 15 is connected to one side of the honeycomb panel 11. The snap rod 16 is automatically inserted into the interior of the honeycomb panel 11 through the spring 15 and the telescopic rod 14, and the outer wall of the snap rod 16 is fixedly connected with a metal plate 17 for disengaging the snap rod 16 from the honeycomb panel 11. Grooves 4 are provided at the four corners of the top side of the cover plate 6, and bolts 10 are provided inside the grooves 4. The rear bolts 10 sequentially penetrate the grooves 4 and the bottom plate 1 from back to front, and the front bolts 10 sequentially penetrate the grooves 4 and the bottom plate 1 from front to back, and the cover plate 6 is fixed to the bottom plate 1 by the bolts 10.

[0028] Working principle: First, place the honeycomb panel 11 inside the base plate 1, and press the metal plate 17 to cause the telescopic rod 14 and the spring 15 to contract, so that the honeycomb panel 11 can be placed between the upper and lower snap rods 16. After the honeycomb panel 11 is placed between the snap rods 16, release the metal plate 17 so that the snap rod 16 is automatically inserted into the honeycomb panel 11 under the action of the spring 14 and the telescopic rod 15, thereby fixing the honeycomb panel 11 to the inside of the base plate 1. Then, cover the base plate 1 with the cover plate 6, and then pass the bolts 10 through the groove 4 and the base plate 1 in sequence to fix the cover plate 6 to the base plate 1. Then, install the interior trim, handle, lock, window and sealing ring into the corresponding installation groove 5, handle groove 8, lock groove 3, window groove 2 and sealing ring groove 9 respectively, to form a complete automobile door panel. The honeycomb panel 11 is used to improve the sound insulation performance of the door panel, and the reinforcing ribs 13 and ribs 12 are used to improve the overall strength and rigidity of the door panel, thereby reducing the harm to the occupants when the vehicle is damaged.

[0029] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent replacements for some of the technical features therein. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A lost foam casting of an automobile door panel, characterized by: The invention comprises a base plate (1) forming a casting body, wherein an impact-resistant component is provided inside the base plate (1) for improving the overall strength and rigidity of the automobile door panel, wherein a honeycomb panel (11) for improving the sound insulation performance is connected to the inside of the base plate (1) via a snap assembly, and the honeycomb panel (11) is installed inside the base plate (1), wherein a cover plate (6) is provided on the top side of the base plate (1), wherein a handle groove (8) for installing a door handle is provided on the top side of the cover plate (6), wherein mounting grooves (5) for installing an interior trim are provided at the four corners of the top side of the cover plate (6), and wherein two hinge grooves (7) for installing a hinge are provided on the right side of the base plate (1).

2. The lost foam casting of an automobile door panel according to claim 1, characterized in that: The impact-resistant assembly comprises a plurality of reinforcing ribs (13) fixedly connected to the bottom side of the bottom plate (1), two ribs (12) fixedly connected to the top side of the reinforcing ribs (13), the reinforcing ribs (13) are located on the bottom side of the honeycomb plate (11), and the ribs (12) are located on the left and right sides of the honeycomb plate (11).

3. The lost foam casting of an automobile door panel according to claim 1, characterized in that: The snap assembly comprises a telescopic rod (14) fixedly connected to the four inner corners of the bottom plate (1), one end of the telescopic rod (14) is fixedly connected to a snap rod (16), and the snap rod (16) is inserted into the interior of the honeycomb panel (11).

4. The lost foam casting of an automobile door panel according to claim 3, characterized in that: The outer wall of the telescopic rod (14) is provided with a spring (15), one end of the spring (15) is connected to one side of the interior of the bottom plate (1), and the other end of the spring (15) is connected to one side of the honeycomb panel (11).

5. The lost foam casting of an automobile door panel according to claim 3, characterized in that: The outer wall of the snap rod (16) is fixedly connected to a metal plate (17) for separating the snap rod (16) from the honeycomb panel (11).

6. The lost foam casting of an automobile door panel according to claim 1, characterized in that: Grooves (4) are provided at the four corners of the top side of the cover plate (6), and bolts (10) are provided inside the grooves (4). The bolts (10) on the rear side sequentially penetrate the grooves (4) and the bottom plate (1) from the back to the front, and the bolts (10) on the front side sequentially penetrate the grooves (4) and the bottom plate (1) from the front to the back.

7. The lost foam casting of an automobile door panel according to claim 1, characterized in that: Two lock slots (3) for installing locks are provided on the right side of the base plate (1), and a window slot (2) for installing a vehicle window is provided at the rear of the base plate (1).

8. The lost foam casting of an automobile door panel according to claim 1, characterized in that: A sealing ring groove (9) for installing a sealing ring is provided on the outer periphery of the bottom plate (1), and a heat-insulating coating is applied to the bottom side of the bottom plate (1).

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