Multi-layer foam laminating device for automotive trim panel

By designing a multi-layer foam bonding device for automotive interior panels, an automated and tight bonding between foam and interior panels was achieved, solving the quality degradation problem caused by manual operation and improving bonding accuracy and efficiency.

CN223821257UActive Publication Date: 2026-01-23DONGGUAN YONGDI FOAMED PLASTIC CO LTD
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Patent Information

Application Number
CN202520417454.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-11
Publication Date
2026-01-23
Estimated Expiration
2035-03-11

AI Technical Summary

Technical Problem

In existing technologies, manual operation during the foam lamination process of multi-layer automotive interior panels leads to a decline in product quality, and it is difficult for a single person to complete the work on vertical surfaces, affecting installation efficiency and tightness.

Method used

A multi-layer foam bonding device for automotive interior panels was designed, including a processing chamber, an adhesive application mechanism, and a pressing mechanism. Adhesive is applied evenly by an adhesive application roller, and the pressing mechanism is used to tightly bond the foam to the interior panel. The device is automated by combining a moving mechanism and a locking mechanism.

Benefits of technology

It improves the accuracy and efficiency of bonding between foam and interior panels, ensures no air gaps between the foam and interior panels, simplifies the operation process, and improves production efficiency.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223821257U_ABST
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Abstract

The utility model relates to an automotive trim panel multilayer foam laminating device which comprises a processing bin, and a processing table, a gluing mechanism, a pressing mechanism and a moving mechanism are arranged in the processing bin. The moving mechanism comprises a sliding rail and a fixing plate. The gluing mechanism comprises a gluing roller; the pressing mechanism comprises a pressing roller, the pressing roller is arranged on a fixing rod in a sleeving mode, supporting rods are connected to the two ends of the fixing rod, and elastic reset mechanisms are arranged on the supporting rods. And a locking mechanism is arranged on the fixing plate. A discharging box is arranged on the right side of the gluing mechanism, a discharging roller is arranged in the discharging box, and a transmission part is arranged on the lower portion in the discharging box. Multi-layer foam pasting can be carried out on the automobile interior trim panel through all the components, glue can be smeared more evenly through the gluing roller, then foam pasting is tighter through the pressing mechanism, air is prevented from being reserved between the interior trim panel and the foam, the foam pasting accuracy is improved, and meanwhile the machining efficiency is improved.
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Description

Technical Field

[0001] This utility model belongs to the field of automotive interior technology, and specifically relates to a multi-layer foam bonding device for automotive interior panels. Background Technology

[0002] Automotive interior panels are mainly used inside vehicles, such as door linings, around seats, and the center console, serving to protect interior equipment and enhance aesthetics. In the automotive industry, foam plays a crucial role in sound insulation and noise reduction. Traditionally, installation involves manually laying the foam and then fastening the interior panel to the car body. While this method is relatively easy for horizontally oriented panels, it is generally more difficult and cannot be done by a single person when laying panels on vertical surfaces.

[0003] Therefore, existing technologies have developed multi-layer interior panels that are first bonded and joined with the interior trim panels to form a whole. During installation, the interior trim panels are directly snapped onto the shell, which can improve installation efficiency.

[0004] However, when processing multi-layer interior panels, if the bonding is done manually, the glue application is quite troublesome, which can easily lead to insufficient adhesion between the interior panels and the foam. Utility Model Content

[0005] This invention provides a multi-layer foam bonding device for automotive interior panels, aiming to solve the problem of product quality degradation caused by manual operation during the multi-layer foam bonding process.

[0006] The technical solution adopted by this utility model to solve the above-mentioned technical problems is: a multi-layer foam bonding device for automotive interior panels, including a processing chamber, a processing table, an adhesive application mechanism and a pressing mechanism in the processing chamber, and a moving mechanism on the processing table;

[0007] Furthermore, the moving mechanism includes two slide rails, a fixed plate between the slide rails, and a slider on the fixed plate, which is slidably connected to the slide rails;

[0008] Furthermore, the glue application mechanism includes a support arm with a support plate connected to it. A first guide rail and a second guide rail are provided below the support plate. The first guide rail is located above the second guide rail and the two are perpendicular to each other in the length direction. A glue application roller is provided on the right side of the support arm and is sleeved on a fixed frame. The fixed frame is located above the slide rail.

[0009] Furthermore, the clamping mechanism includes a clamping roller, which is sleeved on a fixed rod. Both ends of the fixed rod are connected to support rods, which are located on both sides of the slide rail. The upper end of the support rod is provided with a cavity, and an opening is provided above the cavity. An elastic reset mechanism is provided inside the cavity.

[0010] Furthermore, the fixing plate is provided with a locking mechanism, and the fixing plate is provided with three protrusions. The locking mechanism includes two pressing plates, which are respectively connected to two parallel protrusions.

[0011] Furthermore, a feeding box is provided on the right side of the glue coating mechanism, and a feeding roller is provided inside the feeding box, with the foam roll sleeved above the feeding roller;

[0012] Furthermore, a transmission component is provided at the bottom of the feeding box. The transmission component includes a transmission belt, which is connected to the feeding box via a transmission shaft. The surface of the transmission belt is provided with protrusions.

[0013] Furthermore, the transmission component is connected to a guide plate, which has an opening. An adsorption component is located above the guide plate, and the adsorption component can pass through the opening in the guide plate.

[0014] Furthermore, the adsorption component is connected to the inner wall of the discharge box via a telescopic rod. The adsorption component includes a pressure plate, a cavity is provided inside the pressure plate, an air extractor is provided on the pressure plate, and an air pipe connected to the air extractor is provided inside the cavity.

[0015] Furthermore, the guide plate is equipped with a cutting component, which is located between the adsorption component and the feeding box, and can cut the foam roll into the required size;

[0016] Furthermore, the elastic reset mechanism includes a tension spring, the lower end of which is connected to a support rod, and a collar is connected to the upper end of the tension spring, with the collar located above the support rod;

[0017] Furthermore, collars are fitted onto both ends of the fixed rod, and the diameter of the collars is larger than the diameter of the opening at the upper end of the support rod.

[0018] Compared with the prior art, the beneficial effects of this utility model are: the structure of this utility model is simple and convenient to use. Through the various components, multiple layers of foam can be pasted onto the automotive interior panel. The glue-applying roller can make the glue spread more evenly, and the pressing mechanism can make the foam adhere more tightly, preventing air from being left between the interior panel and the foam. The cutting mechanism located in the center of the processing chamber can cut the foam roll into the required size. This device not only improves the accuracy of foam bonding but also improves processing efficiency. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the main structure of this utility model;

[0020] Figure 2 This is a side view of the structure of this utility model;

[0021] Figure 3 This is a top view of the structure of this utility model;

[0022] Figure 4 This is a schematic diagram of the adhesive application mechanism of this utility model;

[0023] Figure 5 This is a schematic diagram of the pressing mechanism of this utility model;

[0024] Figure 6 This is a schematic diagram of the moving mechanism structure of this utility model;

[0025] Figure 7 This is a schematic diagram of the locking mechanism structure of this utility model;

[0026] Figure 8 This is a schematic diagram of the transmission component structure of this utility model;

[0027] Figure 9 This is a schematic diagram of the adsorption component structure of this utility model;

[0028] In the diagram, 1-processing chamber, 2-processing table, 3-glue application mechanism, 4-pressing mechanism, 5-moving mechanism, 6-locking mechanism, 7-discharging box, 8-discharging roller, 9-transmission component, 10-adsorption component; 301-support arm, 302-support plate, 303-glue box, 304-guide rail 1, 305-guide rail 2, 306-guide block, 307-connecting block, 308-glue application roller, 309-fixed frame; 401-Pressure roller, 402-Fixing rod, 403-Support rod, 404-Tension spring, 405-Collar; 501-Slide rail, 502-Fixing plate, 503-One-way screw, 504-Drive motor; 601-Extrusion plate, 602-Spring, 603-Limit rod; 901-Transmission belt, 902-Transmission shaft, 903-Guide plate; 1001-Pressure plate, 1002-Evacuum pump, 1003-Telescopic rod. Detailed Implementation

[0029] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention. It should be understood that the preferred embodiments described herein are only for illustration and explanation of the present invention and are not intended to limit the present invention. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. The components of the embodiments of the present invention described and shown in the accompanying drawings can be arranged and designed in various different configurations. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without creative effort are within the scope of protection of the present invention. In the embodiments, the components of the embodiments of the present application described and shown in the accompanying drawings can be arranged and designed in various different configurations. Therefore, the following detailed description of the embodiments of the present application provided in the accompanying drawings is not intended to limit the scope of the claimed application, but merely represents selected embodiments of the present application.

[0030] In the description of this application, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," "outer," "front," and "rear," etc., indicating the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation on this application. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0031] In the description of this application, it should be noted that, unless otherwise expressly specified and limited, the terms "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection; they can refer to an electrical connection; they can refer to a hydraulic connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection between two components. Those skilled in the art can understand the specific meaning of the above terms in this application based on the specific circumstances.

[0032] refer to Figure 1 A multi-layer foam bonding device for automotive interior panels includes a processing chamber 1, a processing table 2, an adhesive application mechanism 3, and a pressing mechanism 4. The processing table 2 is equipped with a moving mechanism 5. The interior panel to be processed is fixed by a locking mechanism 6 on the moving mechanism 5. The adhesive application mechanism 3 applies adhesive to the surface of the interior panel, and the foam to be bonded is placed on top of the adhesive. The pressing mechanism 4 then makes the foam and adhesive come into full contact, thereby fixing them together.

[0033] The processing table 2 is located inside the processing chamber 1. Two slide rails 501 are arranged opposite each other on the top of the processing table 2. The moving mechanism 5 is located between the slide rails 501, which can move along the length of the processing table 2 within the slide rails 501. The moving mechanism 5 includes a fixed plate 502. The fixed plate 502 has sliders at both ends. The sliders are slidably connected to the slide rails 501. The fixed plate 502 has a protrusion at the bottom. The protrusion has a threaded hole. A one-way screw 503 passes through the threaded hole. The processing table 2 has a groove. The one-way screw 503 is located in the groove. One end of the one-way screw 503 is connected to a drive motor 504. The drive motor 504 controls the fixed plate 502 to reciprocate.

[0034] To prevent the interior trim panel from shifting, a locking mechanism 6 is provided on the fixing plate 502. The upper surface of the fixing plate 502, except for the left side, has three protrusions. The locking mechanism 6 includes two pressing plates 601, which are located inside the two parallel protrusions on the fixing plate 502. A spring 602 is provided between the pressing plates 601 and the protrusions. The two ends of the spring 602 are fixedly connected to the pressing plates 601 and the protrusions, respectively. When an interior trim panel is placed between the pressing plates 601, the interior trim panel pushes the pressing plates 601 on both sides toward the protrusions corresponding to the pressing plates 601. At this time, the spring 602 applies an inward pushing force to the pressing plates 601, thereby fixing the interior trim panel. A limiting rod 603 is provided inside the spring 602. One end of the limiting rod 603 is fixedly connected to the pressing plate 601. A blind hole is provided on the protrusion. The other end of the limiting rod 603 is located in the blind hole. The edge of the interior trim panel can be limited by the protrusion located on the right side of the fixing plate 502.

[0035] A glue application mechanism 3 is provided on the upper left side of the processing table 2. The glue application mechanism 3 includes a support arm 301. A support plate 302 is provided on the upper end of the support arm 301. The support plate 302 is fixedly connected to the support arm 301 and is perpendicular to each other. A glue box 303 is provided on the upper part of the support plate 302. A sealing cover is provided on the glue box 303 to prevent the glue from drying due to contact with air. A glue dispensing tube is provided at the lower end of the glue box 303. A first guide rail 304 is provided below the support plate 302. The first guide rail 304 is parallel to the long side of the support plate 302. A guide block 306 is provided inside the first guide rail 304. A second guide rail 305 is fixedly connected below the guide block 306. The second guide rail 305 is perpendicular to the first guide rail 304 in the length direction. A connecting block 307 is provided inside the second guide rail 305. A glue outlet is provided below the connecting block 307. The glue outlet is connected to the glue box 303 through the glue dispensing tube.

[0036] To ensure that the adhesive can adhere evenly to the surface of the interior panel and foam, an adhesive application roller 308 is provided on the processing table 2. The adhesive application roller 308 is fitted on the U-shaped fixing frame 309, which is located above the slide rail 501. When the fixing plate 502 moves, the adhesive application roller 308 contacts the surface of the interior panel above the fixing plate 502, thereby applying the adhesive evenly.

[0037] The processing chamber 1 is equipped with a feeding box 7, located to the right of the gluing mechanism 3. The feeding box 7 has a door on its front side and a feeding roller 8 inside. A foam roll is fitted onto the feeding roller 8. The feeding box 7 has an opening at its lower end, allowing the foam to pass through. A transmission component 9 is located at the bottom of the feeding box 7. The transmission component 9 includes a transmission belt 901, driven by two transmission shafts 902 connected to the feeding box 7. The outer surface of the transmission belt 901 has protrusions that can move the foam forward. A guide plate 90... 3 is located on one side of the direction of movement of the transmission belt 901. The guide plate 903 is parallel to the upper surface of the transmission belt 901. The part of the guide plate 903 above the slide rail 501 has an opening. The top wall of the processing chamber 1 is provided with an adsorption component 10. The adsorption component 10 can pass through the opening on the guide plate 903. The adsorption component 10 can prevent the foam from falling off. A cutting component is provided between the guide plate 903 and the transmission belt 901. The cutting component cuts the foam into the required size. At this time, the adsorption component 10 presses the foam down to the top of the interior panel.

[0038] The adsorption component 10 includes a pressure plate 1001. A telescopic rod 1003 is fixedly connected to the top wall of the processing chamber 1. The movable end of the telescopic rod 1003 faces downward and is connected to the upper surface of the pressure plate 1001. An air extractor 1002 is provided above the pressure plate 1001. A cavity is provided inside the pressure plate 1001. A through hole communicating with the cavity is provided on the lower surface of the pressure plate 1001. An air pipe connected to the air extractor 1002 is provided inside the cavity. The foam is moved by the adsorption force. The cutting component includes a cutter. The cutter is placed vertically and has sharp edges on both sides. The foam is cut by the reciprocating motion of the cutter.

[0039] The pressing mechanism 4 is located on the far right of the processing table 2. The pressing mechanism 4 includes a pressing roller 401, which is sleeved on a fixed rod 402. The fixed rod 402 is connected to two support rods 403 at both ends. The support rods 403 are located on both sides of the slide rail 501. The upper end of the support rod 403 is provided with a cavity, and the upper end of the cavity is provided with an opening. An elastic reset mechanism is provided in the opening. The pressing roller 401 can be pressed down by the elastic reset mechanism, so that the foam and the interior panel are adhered by pressing. The elastic reset mechanism includes a tension spring 404, and the lower end of the tension spring 404 is connected to a fixing block. The fixing block is located in the cavity of the support rod 403 and is fixedly connected to the support rod 403. The upper end of the tension spring 404 is provided with a collar 405, which is located above the support rod 403. The diameter of the collar 405 is larger than the diameter of the support rod 403. The upper surface of the fixed plate 502 and the lower surface of the pressing roller 401 under normal conditions are on the same horizontal plane.

[0040] During operation, the interior panel is placed on the fixed plate 502 and locked by the locking mechanism 6. Then, the glue is applied to the surface of the interior panel by the glue application mechanism 3, and the glue application roller 308 makes the glue evenly spread on the surface of the interior panel. When the interior panel moves to the bottom of the feeding box 7, the feeding mechanism places foam on the glue-applied interior panel. The interior panel continues to move forward to the bottom of the pressing mechanism 4, and the pressing roller 401 makes the foam and the interior panel fit tightly together, while squeezing out the air between them. When the interior panel moves to the right side of the pressing roller 401, the fixed plate 502 moves in the opposite direction to the bottom of the glue application mechanism 3. The above operation is repeated to achieve multi-layer foam bonding of the interior panel. After the last layer of foam is bonded, the processing personnel can directly remove the interior panel from the locking mechanism 6 and then carry out subsequent processing.

[0041] The above description is merely a specific embodiment of this utility model, but the protection scope of this utility model is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the technical scope disclosed in this utility model should be included within the protection scope of this invention. Therefore, the protection scope of this utility model should be primarily defined by the scope of the claims.

Claims

1. A multi-layer foam bonding device for automotive interior panels, comprising a processing chamber, characterized in that: The processing chamber includes a processing table, an adhesive application mechanism, and a pressing mechanism. The processing table is equipped with a moving mechanism. The moving mechanism includes two slide rails, a fixed plate is provided between the slide rails, and a slider is provided on the fixed plate. The slider is slidably connected to the slide rail. The glue application mechanism includes a support arm with a support plate connected to it. A first guide rail and a second guide rail are provided below the support plate. The first guide rail is located above the second guide rail and the two are perpendicular to each other in the length direction. A glue application roller is provided on the right side of the support arm and is sleeved on a fixed frame. The fixed frame is located above the slide rail. The pressing mechanism includes a pressing roller, which is sleeved on a fixed rod. Both ends of the fixed rod are connected to support rods, which are located on both sides of the slide rail. The upper end of the support rod has a cavity, and an opening is provided above the cavity. An elastic reset mechanism is provided inside the cavity.

2. The multi-layer foam bonding device for automotive interior panels according to claim 1, characterized in that: The fixing plate is provided with a locking mechanism. The fixing plate has three protrusions. The locking mechanism includes two pressing plates, which are respectively connected to two parallel protrusions.

3. The multi-layer foam bonding device for automotive interior panels according to claim 1, characterized in that: The coating mechanism is equipped with a feeding box on the right side, and a feeding roller is installed inside the feeding box. The foam roll is sleeved above the feeding roller.

4. The multi-layer foam bonding device for automotive interior panels according to claim 3, characterized in that: The lower part of the feeding box is equipped with a transmission component, which includes a transmission belt. The transmission belt is connected to the feeding box through a transmission shaft, and the surface of the transmission belt is provided with protrusions.

5. The multi-layer foam bonding device for automotive interior panels according to claim 4, characterized in that: The transmission component is connected to a guide plate, which has an opening. An adsorption component is located above the guide plate and can pass through the opening on the guide plate.

6. The multi-layer foam bonding device for automotive interior panels according to claim 5, characterized in that: The adsorption component is connected to the inner wall of the discharge box via a telescopic rod. The adsorption component includes a pressure plate with a cavity inside. An air pump is installed on the pressure plate, and an air pipe connected to the air pump is installed inside the cavity.

7. The multi-layer foam bonding device for automotive interior panels according to claim 6, characterized in that: The guide plate is equipped with a cutting component, which is located between the adsorption component and the feeding box, and can cut the foam roll into the required size.

8. The multi-layer foam bonding device for automotive interior panels according to claim 1, characterized in that: The elastic reset mechanism includes a tension spring, the lower end of which is connected to a support rod, and a collar is connected to the upper end of the tension spring, with the collar located above the support rod.

9. The multi-layer foam bonding device for automotive interior panels according to claim 8, characterized in that: The collar is fitted onto both ends of the fixed rod, and the diameter of the collar is larger than the diameter of the opening at the upper end of the support rod.