KR-102961375-B1 - Automatic Bonding Apparatus for Vibration-Damping Pads of Automotive Interior Components

Abstract

The present invention relates to an automatic vibration damping pad bonding device for automotive interior materials, which automatically bonds vibration damping pads to the assembly surfaces of various interior materials, such as air vents or center fascia, that are assembled and installed in the interior space of an automobile. The present invention is characterized by comprising: a pad peeling unit that peels off a dustproof pad from a release liner while unfolding a ribbon-shaped sheet, to which a dustproof pad is bonded to the surface of a release liner, along a peeling space in the longitudinal direction; a pad cutting unit that cuts the dustproof pad of the sheet unfolded in the longitudinal direction through the pad peeling unit to a set bonding length; a pad bonding unit that vacuum-adsorbs the dustproof pad, which is cut to a set bonding length by the pad cutting unit and peeled off from the release liner through the pad peeling unit, and then bonds it to each bonding portion of an interior material placed in the bonding space; a pad compression unit that compresses the dustproof pad bonded to the bonding portion of the interior material so that the dustproof pad is completely bonded to the bonding portion of the interior material; and a section transfer unit that transfers the pad bonding unit in sections so that the pad bonding unit is transferred between the peeling space and the bonding space.

Inventors

• 표대준
• 곽재순

Assignees

• (주)피엔에이
• 이랑산업 주식회사

Dates

Publication Date

20260511

Application Date

20251111

Claims (5)

1. A pad peeling section that peels off the anti-vibration pad from the release liner while unfolding a ribbon-shaped sheet, to which an anti-vibration pad bonded to the surface of the release liner is bonded, along the longitudinal direction along the peeling space; A pad cutting section that cuts the anti-vibration pad of a sheet, which is unfolded in the longitudinal direction through the pad peeling section, to a set bonding length; A pad joining unit that vacuum-adsorbs a dustproof pad, which is cut to a set joining length by the pad cutting unit and peeled from a release liner through the pad peeling unit, and then joins it to each joining portion of an interior material placed in a joining space; A pad compression part that compresses a vibration damping pad bonded to the joint portion of the interior material to ensure that the vibration damping pad is completely bonded to the joint portion of the interior material; and It is configured to include a section transfer unit that transfers the pad joint section to allow the pad joint to be transferred section by section between the peeling space and the joining space, and The above pad peeling unit comprises: a supply roll unit that attaches a sheet roll in which a sheet with a protective pad bonded to a release liner is wound in a roll form; a recovery roll unit that winds the release liner of the sheet unfolding in the longitudinal direction from the sheet roll so that the sheet wound on the sheet roll is conveyed in the longitudinal direction along the peeling space; and a peeling guide unit that locally folds the release liner of the sheet moving in the longitudinal direction by the recovery roll unit so that the anti-vibration pad bonded to the release liner is peeled from the release liner and the release liner from which the anti-vibration pad has been peeled is wound onto the recovery roll unit and recovered. The above pad compression unit includes a lifting compression unit mounted on a movable table unit of a section transfer unit, and a compression block mounted on the lifting compression unit that moves up and down and vertically compresses a vibration damping pad attached to a joint portion of an interior material by the pad joint portion. A compression roller unit is further disposed on the bottom surface of a compression block that compresses the above-mentioned bonded anti-vibration pad, for rolling and unfolding the anti-vibration pad outwardly. The above-described compression roller unit comprises a pair of pivoting rocks that pivot inward and outward through pivoting axes on both the left and right sides of a compression block, a compression roller arranged in a pivoting structure at the pivoting end of each pivoting rock, and an elastic traction member that elastically pulls the pivoting rocks inward. An automatic vibration damping pad bonding device for automobile interior materials, characterized in that when the above-mentioned compression block descends to compress the vibration damping pad bonded to the bonding portion of the interior material, the above-mentioned compression rollers roll from the center of the vibration damping pad outward, thereby rolling-compressing the vibration damping pad so that the vibration damping pad is tightly bonded to the bonding portion of the interior material.
2. An automatic vibration damping pad joining device for automotive interior materials, characterized in that, in claim 1, the pad joining unit comprises a lifting joining unit mounted on a vertical table of a movable table unit of a section transfer unit, and an adsorption block mounted on the lifting joining unit that moves up and down and vacuum adsorbs a vibration damping pad peeled from a release liner through vacuum pressure.
3. In paragraph 2, suction holes providing vacuum suction force provided through a vacuum suction pipe and air supply discharge holes discharging compressed air provided through an air injection pipe are formed on the bottom surface of the suction block, In the adsorption process of the above anti-vibration pad, the edge portion of the anti-vibration pad is adsorbed through the vacuum adsorption force provided through the adsorption holes, and An automatic vibration damping pad bonding device for automotive interior materials, characterized in that, in the process of bonding the above-mentioned vibration damping pad to the bonding portion of the interior material, the vibration damping pad is bonded to the bonding portion of the interior material by compressed air ejected through the supply air discharge hole while the edge portion of the vibration damping pad is adsorbed to the bottom surface of the adsorption block by vacuum adsorption force provided through the adsorption holes, and then the vacuum adsorption force through the adsorption holes is released.
4. delete
5. delete

Description

Automatic Bonding Apparatus for Vibration-Damping Pads of Automotive Interior Components The present invention relates to an automatic bonding device for anti-vibration pads of automobile interior materials, and more specifically, to an automatic bonding device for anti-vibration pads of automobile interior materials that automatically bonds anti-vibration pads to the assembly surfaces of various interior materials, such as air vents or center fascia, which are assembled and installed in the interior space of an automobile. As is well known, various automotive interior materials (instrument panels, door trims, headliners, pillar garnishes, etc.), such as air conditioning supply ducts and center fascias, are installed in the interior body of a vehicle. Various types of damping pads are attached to the above automotive interior materials (instrument panel, door trim, headliner, pillar garnish, etc.) to reduce vibration transmission caused by engine vibration, road surface irregularity vibration, driving wind, and speaker sound pressure during driving. These anti-vibration pads are composed of urethane foam, non-woven fabric, TPO/EPDM sheets, asphalt sheets, etc., and are bonded to the back or concealed surface of the vehicle's interior materials to absorb or disperse vibration energy. Conventionally, the bonding of such anti-vibration pads was often carried out using a manual method. Since it is difficult to handle various pre- and post-processes—such as hot-melt application, adhesive attachment, and double-sided tape pretreatment—as well as variations in dimensions, curvature, and height due to the shape of a single interior material, problems frequently arose regarding production speed, alignment rate, and quality uniformity. In particular, Door Trim, Cowl Side Trim, etc., have different curved structural characteristics, and the attachment position must be accurately specified to suppress quality complaints, gaps, and NVH performance degradation, but when working manually, errors are prone to accumulation and repeated positional deviations. In addition, as electric vehicle platforms increase in the future, sensitivity to interior NVH quality is further increasing due to the characteristics of silent electric powertrains, and accordingly, even minor defects in the bonding quality of anti-vibration pads are immediately leading to a decrease in the perceived quality of interior quietness. Therefore, there is a demand for a device capable of automatically bonding anti-vibration pads to a fixed position with repeatability and precision. There is also a growing need for a bonding device that can flexibly adapt to the shape of the interior material, enables temperature control and compression profile control, and is compatible with production line automation. FIGS. 1 and 2 show the overall configuration of an automatic vibration damping pad bonding device for automotive interior materials proposed as a preferred embodiment of the present invention, and the state in which it is installed on a line. FIG. 3 shows the detailed configuration of the section transfer unit in the automatic vibration damping pad bonding device for automobile interior materials proposed as a preferred embodiment in the present invention. FIG. 4 shows the detailed configuration of a pad cutting section, a pad joining section, and a pad compression section in an automatic vibration damping pad joining device for automotive interior materials proposed as a preferred embodiment of the present invention. FIGS. 5 and 6 illustrate the cutting, peeling, and adsorption processes of a vibration damping pad through an automatic bonding device for a vibration damping pad of an automobile interior material, which is proposed as a preferred embodiment of the present invention. FIGS. 7 and 8 show in detail the bonding and compression processes of a vibration damping pad through an automatic bonding device for a vibration damping pad of an automobile interior material, which is proposed as a preferred embodiment of the present invention. Specific structural or functional descriptions of embodiments according to the concept of the present invention disclosed herein are provided merely for the purpose of explaining embodiments according to the concept of the present invention, and embodiments according to the concept of the present invention may be implemented in various forms and are not limited to the embodiments described herein. Since embodiments according to the concept of the invention may be subject to various modifications and may take various forms, embodiments are illustrated in the drawings and described in detail in this specification. However, this is not intended to limit embodiments according to the concept of the present invention to specific disclosed forms, and includes all modifications, equivalents, or substitutions that fall within the spirit and scope of the present invention. The automatic vibration damping pad bonding system for auto