KR100679302B1 - Burn protect device for automobile inner material - Google Patents

Abstract

An anti-adhesion apparatus of an interior material for a vehicle is provided to prevent a material from being stuck on the surfaces of heating plates while preheating the materials between the heating plates by installing anti-adhesion steel wires on the surfaces of the heating plates. An anti-adhesion apparatus of an interior material for a vehicle comprises a lower heating plate(51) installed with a heating device, and on which a skin material(50) attached on a polyurethane foam sheet forming an interior material is transferred by a transfer unit and then mounted; an upper heating plate(52) vertically moved on the lower heating plate by the transfer unit, and preheating the skin material placed on the lower heating plate by mutual compression with the lower heating plate; and anti-adhesion steel wires(53) projected on the contact surfaces of the upper and lower heating plates to restrict the skin material from being stuck on the surfaces of the heating plates in preheating the skin material.

Description

Burn protect device for automobile inner material}

1 is a schematic diagram of a typical automotive headliner module,

2 is a schematic cross-sectional view of a general automotive headliner,

Figure 3 (a) is a view for explaining the driving of the upper and lower heating plate in the interior material leakage prevention device for automobiles according to the present invention,

Figure 3 (b) is a view for explaining that the skin material is seated on the lower heating plate in the vehicle interior leakage preventing device according to the present invention is preheated,

Figure 4 (a) is a view for explaining that the skin preheating seated on the lower heating plate in the interior material leakage prevention device for automobiles according to the present invention,

Figure 4 (b) is a view for explaining the deodorization of the preheated skin material from the lower heating plate in the interior material leakage prevention device for automobiles according to the present invention,

5 is a view showing that the steel wire for preventing leakage is mounted on the lower heating plate in the vehicle interior leakage preventing device according to the present invention.

* Explanation of symbols used in the main part of the drawing

50; Skin

51; Bottom heating plate

52; Top heating plate

53; Steel preventive wire

The present invention improves workability by preventing material from being pressed on the surface of the upper and lower heating plates during preheating by inter-compression of upper and lower heating plates provided with heating means for automobile interior materials such as a headliner, and improve the quality of the interior materials. It relates to a vehicle interior leakage preventing device that can be improved.

More specifically, when preheating a material (eg, a soft skin material) adhered to a hard substrate forming a headliner or the like by mutual compression of upper and lower heating plates, the contact surfaces of upper and lower heating plates are used. Since the steel wire is prevented from sticking to the surface of upper and lower heating plate, it is not necessary to eliminate the work process to remove it, which improves workability and improves the quality of interior materials because the shape of the preheated material maintains the same shape as before preheating It relates to a vehicle interior material leak prevention device.

As shown in FIG. 1, a headliner may be installed inside a roof panel of a vehicle, that is, a ceiling part of an interior of a vehicle to perform a sound insulation function that blocks or absorbs noise generated from the outside or the inside of the roof. head liner) is installed. The headliner 1 includes a storage box 2 (or a switching box) for storing and storing sungrass, a sun visor 3 (sun visor), a thin plate speaker (not shown), and an auxiliary handle 4 ( Various interior accessories such as assist handle, room lamp 5 and the like are mounted.

Automobile interior materials including the above-described headliner include door trims, fillers, trunk mats, package trims, etc. These interior materials may be injection molded using only a hard substrate, or a soft skin material on the surface of the substrate. It is used to bond but trim the edges, or to use a foam layer built in to form a cushion layer between the substrate and the skin material.

The material of the above-described base material is pp, pp, poly propylene felt, poly propylene board, ABS, wood stock, resin felt. felt and the like are mainly used, and as the skin material, pe foam, pp foam, pu foam, etc. are attached to the back surface of non-woven fabric, fabric or skin paper made of pvc. use.

As shown in FIG. 2, a general automotive interior material includes a polyurethane foam sheet 6 forming a base material of a headliner, and an adhesive film 7 on the bottom of the polyurethane foam sheet 6. As an example, a resin film made of polypropylene, polyethylene, or polyester is used), a glass mat 8, an adhesive film 7, and a nonwoven fabric 9, which are sequentially laminated by heating and pressing by a press (not shown). The first skin layer 10 to be formed, the adhesive film 11 (for example, a polypropylene, polyethylene, polyester resin film is used), the glass mat 12, on the upper surface of the polyurethane foam sheet (6), It consists of an adhesive film 11 and the nonwoven fabric 13 includes a second skin layer 14 which is laminated in order by heating and pressing by a press (not shown).

As the base material injection molding of the aforementioned interior materials and the attachment method of the skin material, low pressure injection methods and high pressure injection methods are used. The low pressure injection method is to inject the substrate injection liquid into the molding surface of the fixed mold at low pressure, and then put the skin material on the molding surface and press the injection liquid into the open mold under the high pressure press pressure. In this case, the skin material is bonded to the surface of the substrate to be molded at the same time.

On the other hand, the high pressure injection method injects the substrate injection liquid into the molding surface between the open / fixed molds and molds the substrate first, and then transfers the matured substrate to the skin attachment mold and puts the skin on the substrate. In the manner of attaching, by forming a base material first and then attaching the skin material in a subsequent step is a method of manufacturing the interior material.

On the other hand, heating of the upper and lower presses provided with a heating means to remove moisture contained in the skin material (for example, non-woven fabric, P-foam, etc. can be used) adhered to the polyurethane foam sheet which is the base of the headliner In the case of preheating the skin material due to the pressurization, the skin material is pressed against the contact surface of the upper and lower presses, so that the worker needs to remove the skin material from the upper and lower presses, and there is a break between the work processes of post-processing the headliner. The workability is remarkably inferior.

In addition, as described above, when the skin material is forcibly detached from the skin material that adheres to the upper and lower presses when the skin is preheated, the shape of the skin material is different before and after preheating, thereby reducing the reliability of the headliner quality.

An object of the present invention, when pre-heating the material to be bonded to the substrate for forming the headliner for automobiles by mutual compression of the upper and lower heating plates, it is possible to prevent the pressing of the material on the surface of the upper and lower heating plates, eliminating the need for a work step for detaching it. It is to provide a vehicle interior leakage prevention device that can improve the work efficiency.

Another object of the present invention is to provide a vehicle interior leakage preventing device for improving the interior material quality since the shape of the preheated material maintains the same shape as before the preheating.

The object of the present invention described above, in a vehicle interior material leakage preventing device,

The lower surface of the heating plate is bonded to the polyurethane foam sheet to form a vehicle interior material is transported by the transport means and seated, the lower heating plate provided with a heating means,

An upper heating plate which is transferred upward and downward with respect to the lower heating plate by elevating means and preheats the skin material seated on the lower heating plate due to mutual compression with the lower heating plate;

It is mounted to protrude on the contact surface of the upper and lower heating plates, respectively, and prevents the interior of the automotive interior material, characterized in that it comprises a steel wire for preventing leakage to prevent the pressing of the skin material on the surface of the upper and lower heating plates during preheating due to the mutual compression of the upper and lower heating plates By providing a device.

According to a preferred embodiment, the cross-sectional shape of the aforementioned leak-proof steel wire is formed of any one of a sphere, a semicircle, and a polygon.

In addition, the leak-proof steel wire protruding from the above-described upper and lower heating plate is installed in a direction perpendicular to the relative leak-proof steel wire.

Hereinafter, preferred embodiments of the present invention will be described with reference to the accompanying drawings, which are intended to describe in detail enough to enable those skilled in the art to easily practice the invention, and therefore It does not mean that the technical spirit and scope of the present invention is limited.

As shown in Figures 3 to 5, the vehicle interior material leakage preventing device according to the present invention, adhered to a polyurethane foam sheet (polyurethane foam sheet) forming a base material of the vehicle interior material (referred to as headliner, for example) The lower heating plate 50 (for example, glass mat, non-woven fabric, etc., which is used) may be seated after being transferred by the transfer means, and is provided with a heating means (refer to a heat generator not shown.) 51),

The skin 50 is transferred upward and downward with respect to the lower heating plate 51 by elevating means (for example, a pair of lifting and lowering first air cylinders 54 are used) and seated on the lower heating plate 51. An upper heating plate 52 for preheating by heating and pressing due to mutual compression with the lower heating plate 51,

Surfaces of the upper and lower heating plates 51 and 52 are mounted on the contact surfaces of the upper and lower heating plates 51 and 52 so as to protrude at equal intervals, and the preheating material 50 is preheated due to mutual compression of the upper and lower heating plates 51 and 52. A leakage preventing steel wire 53 (for example, a piano having excellent corrosion resistance and abrasion resistance) that prevents the skin 50 from being pressed against the surface of the upper and lower heating plates 51 and 52. Steel wire, etc. may be used).

In this case, the cross-sectional shape of the above-described leakage prevention steel wire 53 may be formed of any one of a spherical shape, a semicircle shape, and a polygonal shape. The leakage preventing steel wire 53 protrudingly mounted on the upper and lower heating plates 51 and 52 may be installed at right angles with respect to the relative leakage preventing steel wire.

In the drawings, reference numeral 55 denotes a pair of guiders for guiding the lifting and lowering of the upper heating plate 52 when driving the first air cylinder 54 for lifting, and 56 is an interlocking material 50 when the air cylinder 57 is driven. Is a clamp for detachably fixing, 58 is a pair of lifting and lowering air cylinders for lifting and lowering the clamp 56 to seat the skin 50 on the lower heating plate 51, 59 is in the conveying means A pair of slidably mounted on the crosspiece 60 transported in the horizontal direction by the deodorization by the suction port 61 formed in the rod to remove the preheated skin material 50 from the lower heating plate 51 Lifting third air cylinder.

Hereinafter, with reference to the accompanying drawings an example of the use of the vehicle interior material leakage prevention device according to the present invention will be described in detail.

As shown in Fig. 3 (a, b), the air cylinder 57 at both ends of the skin material 50 (for example, non-woven fabric, etc. can be used) adhered to the substrate forming the headliner for automobiles and the like. After fixing by the clamp 56 is interlocked at the time of driving, the clamp 56 is horizontally transferred toward the lower heating plate 51 by a conveying means (not shown), the clamped skin 50 is the second lifting The skin 50 is lowered on the lower heating plate 51 due to the extension driving of the air cylinder 58, and the skin 50 that is unclamped due to the contraction of the air cylinder 56 is seated on the lower heating plate 51. At this time, the clamp 56 is horizontally moved to the initial position by the conveying means and returned.

On the other hand, the upper heating plate 52 is horizontally transferred toward the lower heating plate 51 by a conveying means (not shown), the upper heating plate 52 is lower heating plate 51 in accordance with the extension driving the first air cylinder 54 for lifting. It is lowered on) to compress the skin material (50). In other words, due to the operation of the control unit (not shown) during heating and pressurization due to mutual compression of the upper and lower heating plates (51, 52), the heat emitted from the heating means (not shown heating heater, etc. are used) mounted on the lower heating plate (51). As a result, moisture and the like contained in the skin 50 can be removed.

Meanwhile, as shown in FIGS. 3 to 5, when the preheating process of the skin material 50 is completed, the upper heating plate 52 is lowered by the lower heating plate 51 due to the contraction driving of the first air cylinder 54 for elevating. In the case of lifting away from the sheet 1), the skin 50 can be prevented from being pressed against the contact surfaces of the upper and lower heating plates 51 and 52. That is, when the skin 50 is preheated due to heating of the heating means built in the lower heating plate 51, the skin 50 is upper and lower by the leakage preventing steel wires 53 mounted on the contact surfaces of the upper and lower heating plates 51 and 52, respectively. Squeeze against the heating plates 51 and 52 is prevented.

In detail, when the skin 50 is preheated by the mutual compression of the upper and lower heating plates 51 and 52 described above, the cross section protruding to the contact surface of the upper and lower heating plates 51 and 52 has a spherical shape. Surface contact of the skin material 50 with respect to the upper and lower heating plates 51 and 52 by the preventive steel wire 53 is prevented. That is, due to the partial contact between the upper and lower heating plates 51 and 52 and the skin 50 when the skin 50 is pressed, the skin 50 is prevented from being pressed against the upper and lower heating plates 51 and 52.

As described above, when the preheating process of the skin material 50 is completed, the upper heating plate 52 is separated from the lower heating plate 51 and then horizontally moved by the conveying means to return to the initial position.

As shown in Fig. 4 (a, b), by moving the transverse bar 60, on which the lifting and lowering third cylinder 59 is mounted by a transfer means not shown in the horizontal direction to move the position above the lower heating plate 51 Let's do it. The skin member 50 seated on the lower heating plate 51 is deodorized by the suction hole 61 lowered by the extension driving of the elevating third air cylinder 59 mounted on the crossbar 60.

The skin material 50 which is deodorized from the lower heating plate 51 due to the contraction driving of the third air cylinder 59 for elevating is the skin material 50 on the substrate of the headliner by a conveying means (not shown). Is transferred to the subsequent process of adhering.

As described above, the transfer means for transferring the skin 50 bonded to the substrate such as the headliner to the upper and lower heating plates 51 and 52 in the horizontal direction, and the skin 50 to the substrate (not shown). The description of the work process for fixing the adhesive will be referred to as the technical content actually used in the art, so a detailed description thereof will be omitted.

As described above, the vehicle interior leakage preventing device according to the present invention has the following advantages.

When preheating the material adhered to the base material forming the headliner of the automobile interior material by the mutual compression of the upper and lower heating plates, the material is prevented from sticking to the surface of the upper and lower heating plates. Preheating and post-processing of materials can be done continuously, improving work efficiency.

In addition, since the shape of the preheated material maintains the same shape as before preheating, it has reliability of interior material quality.

Claims (3)

In the vehicle interior leakage preventing device: A lower heating plate on which the skin material adhered to the polyurethane foam sheet forming the automobile interior material is seated after being transported by a transporting means, and having a heating means; An upper heating plate which is transferred upward and downward with respect to the lower heating plate by elevating means and preheats the skin material seated on the lower heating plate due to mutual compression with the lower heating plate; And Is mounted to protrude on the contact surface of the upper and lower heating plates, respectively, for the automobile, characterized in that it comprises a leakage preventing steel wire to prevent the pressing of the skin material on the surface of the upper and lower heating plates during preheating due to the mutual compression of the upper and lower heating plates Interior material leak prevention device. The method according to claim 1, Cross-sectional shape of the leakage preventing steel wire is a vehicle interior leakage preventing device, characterized in that formed in any one of a sphere, a semi-circle, a polygon. The method according to claim 1 or 2, The leakage prevention steel wire protruding from the upper and lower heating plates is installed in a vehicle perpendicular to the leakage prevention steel wire, characterized in that formed in a direction perpendicular to the relative leakage prevention steel wire.

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