JPH08258132A - Method and apparatus for laminating skin material - Google Patents

Abstract

PURPOSE: To prevent the deviation and the wrinkle of the laminating position of a skin material by sandwiching to stop the material between positioning members above a core material mounted at a holding base, moving down it, then covering it with a packaging sheet, extruding it by an extrusion mold member, and vacuum sucking the closed space to wind the outer peripheral edge of the skin material at the rear side of the outer peripheral line of the core material. CONSTITUTION: A core material 8 is mounted in the state that the outer peripheral edge is extended from a holding base 1, a skin material 9 is set to a positioning member 2, a holding member 61 is moved down by a fluid cylinder 62, and held via a packaging sheet 3. Then, a rod 22 is retracted, a rod 63 is extended, and the material 8 is covered with the material 9. Thereafter, a pressing mold member 4 is moved down by a fluid cylinder 42, and they are pressed. At this time, no wrinkle is generated at the material 9 under the tension of the member 61 by the mold surface 41. Then, the rod 63 is retracted, the member 51 is lifted, simultaneously the airs of inner spaces 53, 11 and around the base 1 are sucked via a vent hole 12 by a vacuum pump 5, and the edge 81 of the material 9 is wound to the rear side of the material 8.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method of sticking a skin material in which a surface of a core material is covered with a flexible skin material, and the outer peripheral edge of the skin material is wound around the back side of the core material for sticking, and the sticking thereof. More specifically, the present invention relates to a sticking method and a sticking device for sticking a skin material to a core material without causing positional displacement or wrinkling.

[0002]

2. Description of the Related Art In interior parts such as automobile pillar garnish and door trim, a synthetic resin sheet as shown in FIG. 8 is formed on the surface of a core material 8 made of hard plastic, metal plate or the like as shown in FIG. A flexible skin material 9 made of fabric or the like is attached, and the outer peripheral edge 91 of the skin material 9 is wound around the back side of the outer peripheral edge 81 of the core material 8 and fixed by an adhesive as shown in FIGS. 9 and 10. Many things are used. Skin material 9
The sticking to the core material 8 has heretofore been performed by manual work, vacuum forming, pressure bonding press forming, or the like. However, in the case of manual work, there are problems that the productivity is poor and that the finished quality varies depending on the skill of the worker. On the other hand, in the case of vacuum forming, it takes time and labor because the outer peripheral edge of the skin material has to be manually wound around the back surface of the outer peripheral edge of the core material after vacuum suction of the skin material on the surface of the core material. Since a non-breathable material is required, there is a problem that usable skin materials are limited. Further, in the case of press molding, there is a limitation on the shape of the core material that can be adopted, such as the undercut shape cannot be adopted, and there is also a problem that the equipment such as a press device becomes large-scale and the initial cost increases.

Therefore, the present applicant has already proposed a method for solving these problems by the invention described in Japanese Patent Application Laid-Open No. 5-220843, which was previously filed and published. It supports the core material on the core material holding base with its outer peripheral edge free, and covers the core material with a flexible and stretchable wrapping sheet, and the wrapping sheet and the base of the holding table lower part. As a closed space is formed between the two, the pressure in the closed space is reduced and the wrapping sheet is wound around the core material side together with the skin material, so that the skin material is wound around the back side of the outer peripheral edge of the core material. there were.

[0004]

However, according to the above method, it is not easy to position the skin material with respect to the core material, and the skin material may be placed on the core material while being displaced. For this reason, in actual work, a larger skin material is used, and after the sticking to the core material, a post-process of cutting (trimming) the wound end portion of the skin material is required. Also,
When a skin material is placed on the core material, if appropriate tension is not applied to the skin material, the skin material may be wrinkled and adhered to the core material, and the appearance may be significantly impaired. When it is attached to the core material of the component having the three-dimensional structure, such wrinkles are likely to occur.

SUMMARY OF THE INVENTION The present invention is intended to solve the above-mentioned problems, and eliminates the displacement of the sticking position of the skin material to the core material,
Using a skin material that has been cut into a predetermined size, the attachment position is accurately aligned and the need for trimming is eliminated, wrinkles are eliminated, quality is improved, and mechanization stabilizes and saves labor. It is an object of the present invention to provide a method for attaching a skin material and a device for attaching the same that can achieve the following.

[0006]

The gist of the first invention is as follows.
The first step of placing the core material on the holding table in a state where the outer peripheral edge of the core material protrudes, and the positioning member supported above the core material set the skin material to be attached to the surface of the core material. Then
A second step of holding the skin material between the positioning members,
The positioning member is lowered to place the skin material on the core material, and a fully slack non-breathing or low-breathing wrapping sheet covers the skin material from above to form a closed space around the holding table. The third step, the fourth step of pressing the surface material to the surface of the core material by a pressing member having a mold surface that imitates the surface of the core material, and the anti-sandwiching of the skin material to the positioning member is released. After that, by suctioning the closed space by vacuum to reduce the pressure, the wrapping sheet is adsorbed to the core material together with the skin material, and the outer peripheral edge of the skin material is wound around the back side of the outer peripheral edge of the core material. It is a method of sticking a skin material, which consists of combining each step. Here, in the pasting method of the present invention, the execution order of the first step and the second step does not particularly matter.
Also, in the third step and the fourth step, the step of covering the skin material from above with the wrapping sheet and the step of pressing the skin material on the surface of the core material by the pressing member do not matter the order of execution, but the order. May be reversed. That is, after pressing the skin material against the core material by the pressing die member, the pressing die member may be laterally retracted and the packaging sheet may be lowered to cover the skin material. The sheet relating to the "wrapping sheet" is generally referred to as having a thickness of 0.2 mm or more, but here it is used in a broad concept including a film having a thickness less than that. The "low breathability wrapping sheet" is sufficient if the skin material is a wrapping sheet that can be wound around the back side of the outer peripheral edge of the core material when vacuuming the closed space, and the wrapping sheet itself does not need expansion and contraction. do not do. The wrapping sheet does not have to be non-breathable, and may be of low breathability as long as it can be vacuum-sucked and adsorbed to the core material.

[0007] The gist of the second aspect of the present invention is a skin material sticking apparatus for covering a surface of a core material with a skin material and winding the outer peripheral edge of the skin material on the back side of the core material to stick the skin material. A holding table on which the core material is placed with its outer peripheral edge protruding, a positioning member for positioning the skin material covering the surface of the core material, and a closed space around the holding table that covers the positioned skin material from above. A non-breathable or low-ventilating wrapping sheet that forms a sheet, a pressing die member that has a die surface imitating the surface of the core material and presses the skin material to the surface of the core material, and air in the closed space. A suction means for drawing the packaging sheet so as to wrap the outer peripheral edge of the skin material around the back surface side of the outer peripheral edge of the core material, and further, a sandwiching means for sandwiching the skin material on the positioning member. A skin material sticking device is characterized in that a sticking means is provided.

The skin material sticking apparatus according to the third aspect of the present invention is the second invention, wherein a sandwiching member is provided at the tip of the actuator which is arranged downward as the sandwiching means, so that the skin material is tensioned at a predetermined level or more. It is characterized in that the sandwiching member prevents the skin material from being sandwiched by the positioning member so as to be able to slide sideways when it is hooked. The skin material sticking device of the fourth invention is characterized in that, in the second invention or the third invention, a locking pin that can be engaged with and disengaged from the skin material is provided on the positioning member so as to be retractable.

[0009]

According to the method and apparatus for sticking a skin material according to the present invention, the positioning member on which the skin material is set is lowered to accurately place the skin material at a predetermined position on the core material. it can. After that, when the wrapping sheet is covered and the closed space is vacuum-sucked, the wrapping sheet is attracted to the core material side, and the outer peripheral edge of the skin material is rolled up behind the outer peripheral edge of the core material. At this time, if the skin material is cut into a predetermined size in advance,
Post-processing of the wound end of the skin material is not required. And
When the skin material is sandwiched between the positioning members, when the skin material is placed on the core material, displacement of the skin material is prevented, and the skin material is subjected to a predetermined tension to remove wrinkles on the skin material. , The surface material of the core material can be covered with the skin material evenly. As in the case of the skin material sticking apparatus of the third invention, when the skin material slips sideways when a tension of a predetermined value or more is applied, the skin material can be stuck on the core material while avoiding wrinkles. Further, when the engaging and disengaging locking pin is provided as in the device for sticking a skin material according to the fourth aspect of the present invention, the skin material can be placed on the core material while preventing displacement of the skin material.

[0010]

EXAMPLES Examples of the present invention will be described in detail below. (1) Example 1 FIGS. 1 to 5 show an example of a skin material sticking apparatus according to the present invention. It manufactures pillar garnish products for automobiles. 1 is a cross-sectional view showing the overall configuration of the skin material sticking device, FIGS. 2 and 3 are overall cross-sectional views of the device showing the operation of the skin material sticking device, and FIG. 4 is a diagram showing the operation of the skin material sticking device. FIG. 5 is an enlarged cross-sectional view of a main part of the device shown in FIG. 5, and FIG.

Skin material sticking device The skin material sticking device comprises a holding table 1, a positioning member 2, a wrapping sheet 3, a pressing member 4, a suction means 5, and a sandwiching means 6. Then, the skin material 9 is attached to the core material 8. The suction means 5 is formed by connecting a vacuum pump 52 to a suction port 55 provided at the bottom of the vacuum box 51, and connecting an internal space 53 of the vacuum pump 52 to the vacuum pump 52. Although not shown, a plastic plate (or a plastic film) made of polyacetal resin having excellent self-lubricating property is laid on the upper surface of the vacuum box 51 to form a smooth base surface 54.

The holding table 1 is formed in the shape of a hollow shell, and ventilation holes 12 are opened at a plurality of positions thereof. The holding table 1 is fixed to the center of the base surface 54, and the internal space 11 communicates with the internal space 53 through a through hole 56 formed in the base surface 54. The width of the holding table 1 is smaller than that of the core material 8, and the outer peripheral edge of the core material 8 is protruded so that the core material can be supported by floating from the base surface 54. The size, shape, etc. of the holding table 1 are appropriately set according to the shape of the core material 8. In this embodiment, the holding table 1
The upper surface of the has a convex shape that can support the back surface of the core material 8 without a gap. Here, the core material 8 is a hard plastic,
It is a rigid material that can maintain its shape, such as FRP, fiber consolidation plate, hard board, metal plate, etc., and is preformed in various three-dimensional shapes according to the required product. When the skin material 9 is attached to the core material 8, an adhesive is applied to the surface of the core material in advance and the whole is heated to about 80 ° C. However, when the skin material 9 is an adhesive processed product, it is not necessary to apply an adhesive.

The positioning member 2 has a supporting column 2a arranged at an appropriate position surrounding the holding table 1 as a main constituent element, and can be freely retracted into the storage recess 59 formed in the vacuum box 51 on the base surface 54. Is provided. The support column 2a is supported by the tip of a rod 22 of a fluid cylinder 21 such as an air cylinder, and is configured to move up and down on the base surface 54 when the rod 22 expands and contracts. In addition, in FIGS. 1 to 4, for the sake of clarity, the fluid cylinder 21 is attached to each of the support columns 2a.
However, in actuality, each cylinder 21 is connected to each support column 2a, and the cylinder 21 is actuated to move up and down all at once. The positioning member 2 serves to position and cover the skin material 9 on the surface of the core material 8. Here, the skin material 9 is cut to be slightly larger than the core material 8 so that the outer peripheral edge thereof has a winding margin. As the skin material 9, for example, a vinyl chloride sheet-like crosslinked foam (having a thickness of 0.30 to 0.45 mm)
Of a foam layer having a thickness of 1.5 to 3 mm to the solid layer of (1) is laminated or heat-sealed, or a foamed polyethylene sheet foam (a solid layer of 0.30 to 0.45 mm has a thickness of 1). (A heat-sealed foamed layer having a thickness of 0.5 to 3 mm), and further, a vinyl chloride sheet to which a urethane foam slab (thickness: 1 to 3 mm) is adhesively laminated are used. Since these skin materials 9 can be stretched and deformed to some extent, they are preheated to 80 ° C.
It is customary to heat to 90 ° C. The skin material 9 may be a flexible material such as a fabric instead of the above material,
It does not matter whether it is inspiratory or non-inspiratory. No heating is required when using fabric.

The wrapping sheet 3 is a flexible sheet whose outer peripheral edge 31 is sandwiched by the frame 32 in a sufficiently slackened state. The wrapping sheet 3 is located above the skin material 9, and when the wrapping sheet 3 covers the holding base 1 and covers it on the base surface 54, the frame 32 is fitted to the outer peripheral edge of the base surface 54. . Then, at this time, the closed space S is formed around the holding table 1 as shown in FIG. 3 (provided that the support column 2a is retracted into the storage recess 59). . Regarding the amount of slack, the wrapping sheet 3 does not completely eliminate the slack in the winding process,
It is desirable to leave a little. From these things,
The size of the packaging sheet 3 is larger than the sum of the both surfaces of the core member 8, the side surface area of the holding base 1 and the area of the base surface 54. The thickness of the wrapping sheet 3 is 10 to 100
μm, particularly 20 to 50 μm is suitable. This is because the bending resistance of the wrapping sheet 3 approaches a negligible state, and the degree of adhesion of the skin material 9 to the core material 8 by vacuum suction increases. However, if it is less than 10 μm, the wrapping sheet 3 is easily scratched and damaged, so the lower limit is set to about 10 μm. As the material of the wrapping sheet 3, a material having excellent slipperiness and non-inspiratory property or low inspiratory property is used. Specifically, a polypropylene sheet, a polyethylene sheet, a polyester sheet, a nylon sheet, or the like, among which a sheet such as a polyethylene sheet which has a small friction resistance on the surface and is slippery is suitable. Here, the packaging sheet 3 can be lowered from the position of FIG. 1 onto the base surface 54 of FIG. 3 by an unillustrated lifting mechanism vertically provided above the base surface 54.

The pressing die member 4 is a female die member having a die surface 41 which conforms to the unevenness of the surface (upper surface) of the core material 8. The push mold member 4 is fixed to the tip of a rod 43 extending downward from the cylinder 42. The pressing member 4 is usually
The core material 8 is arranged on the holding base 1 above the packaging sheet 3.
The skin material 9 is placed, the cylinder 42 is operated, and the rod 43
When the sheet is stretched, the pressing member 4 fits and presses the holding material 1 with the core material 8, the skin material 9, and the wrapping sheet 3 interposed therebetween, so that the skin material 9 is uneven on the upper surface of the core material 8. Shaped into shape,
The core material 8 and the skin material 9 are pressure-bonded to each other.

The clamping means 6 is for fixing a disc-shaped clamping member 61 to the tip of a rod 63 of a fluid cylinder 62 which is an actuator. The sandwiching member 61 has a board surface having substantially the same area as the upper surface of each support pillar 2a of the positioning member 2 and faces each support pillar 2a. Then, the sandwiching member moves up and down by the operation of the fluid cylinder 62, and when it descends, the packaging sheet 3
The skin material 9 can be sandwiched between the upper surface of the positioning member 2 and the upper surface of the positioning member 2.

Next, a method for sticking the skin material 9 to the core material 8 using the above-mentioned sticking device for the skin material 9 will be described. First, as a first step, as shown in FIG. 1, the core material 8 is placed on the holding table 1,
The outer peripheral edge 81 of the core material 8 is in a state of protruding from the holding table 1. Here, if the upper surface shape of the holding base 1 is made to match the lower surface shape of the core material 8 or a positioning piece or the like is projected on the holding base 1 as in the present embodiment, the core material 8 can be easily fixed. Can be placed in position.

Next, as a second step, the positioning member 2
Set the skin material 9 on. This skin material 9 is cut into a predetermined size that is slightly larger than the core material 8, and the outer peripheral edges of the front surface and the back surface of the core material 8 (or the back surface of the skin material 9 or the like) are used.
An appropriate adhesive is spray-applied in advance. Also,
When a skin material such as a vinyl chloride sheet-like crosslinked foam is used, it is preferable to preheat it to about 80 ° C. and soften it in order to facilitate the adhesion. Then, the operation of the fluid cylinder 62 lowers the sandwiching member 61,
As shown in FIG. 2, the peripheral edge of the skin material 9 is sandwiched on the upper surface of the positioning member 2 via the packaging sheet 3. The sandwiching pressure at that time can be adjusted by the air pressure of the fluid cylinder 62, and the skin material 9 is sandwiched so as to be able to slide sideways when the skin material 9 is applied with a predetermined tension or more.

Then, the third step is started. Fluid cylinder 2
The rod 22 of No. 1 is contracted and the rod 63 of the fluid cylinder 62 is expanded, and as shown in FIG. 3, it is lowered while the skin material is sandwiched by the positioning member 2 and the sandwiching member 61, and then the rod 8 is placed on the core material 8. Cover with the skin material 9. At this time, the frame 32 also moves down together. Thus, when the skin material 9 descends via the positioning member 2, the core material 8
It is placed accurately without any displacement on the top. At the same time, the skin material 9 is covered with the sandwiching member 61 and the positioning member 2 while removing the wrinkles under a predetermined tension while covering the surface shape of the core material 8. Become.
Then, when the wrapping sheet 3 is lowered, the covering material 9 is covered from above to form the closed space S around the holding table 1.
The frame 32 comes into contact with the upper end surface of the base surface 54, and the packaging sheet 3 covers the holding table 1 to form the closed space S.

Next, as a fourth step, as shown in FIG. 4, the fluid cylinder 42 is actuated to lower the pressing member 4, and the covering sheet 3 is sandwiched between the skin material 9 and the upper surface of the core material 8. To crimp. At this time, the pressing die member 4 has a die surface 41 that conforms to the unevenness of the surface (upper surface) of the core material 8,
Moreover, since the skin material 9 is pressed by the sandwiching member 61 under a constant tension, the skin material 9 is deformed along the uneven shape of the core material surface without wrinkles. On the other hand, even if an excessive force is applied, the skin material 9 is sandwiched by the positioning member 2 so as to be able to slide sideways, so that the skin material 9 will not be broken. After that, as a fifth step, the rod 63 of the fluid cylinder 62 is contracted and the sandwiching member 61 is raised to release the sandwiching of the wrapping sheet 3 and the skin material 9 as shown in FIG. Then, in parallel with this operation or immediately after this operation, the vacuum pump 5 is operated to suck the air in the internal spaces 53, 11. The air in the closed space S is also sucked through the ventilation holes 12 so that the wrapping sheet 3 is vacuum-adsorbed together with the skin material 9 on the core material 8, and the outer peripheral edge of the skin material 9 is rolled up behind the outer peripheral edge of the core material 8. . By the above steps, the attachment of the skin material 9 to the core material 8 as shown in FIGS. 9 and 10 is completed.

Effects of Examples According to the method and apparatus for sticking the skin material 9 having the above-described aspect, the skin material 9 is set on the positioning member 2 and placed on the core material 8, and then the wrapping sheet 3 is used. After covering with, the wrapping sheet 3 and the skin material 9 are pressed against the surface of the core material 8 from above by the pressing member 4, so that the skin material 9 covers the entire surface of the core material 8.
It has become possible to bond. At this time, since the peripheral edge of the skin material is sandwiched by the supporting column 2a and the sandwiching member 61 with an appropriate tension applied, the skin material positioned on the core material 8 is attached without wrinkling. I can do it now. If a tension of a predetermined amount or more is applied to the skin material 9, the skin material 9 slides sideways on the sandwiching member 61, so that an excessive force is not applied to the skin material and the skin material is not damaged. Further, the pressing member 4
However, since the wrinkle-free skin material 9 set on the core material 8 by the positioning member 3 is pressed and fixed from above, after that, even if the sandwiching member 61 is unpinched, the skin material 9 is misaligned and wrinkled. Does not occur. Even if the wrapping sheet 3 moves due to subsequent vacuum suction or the like, the skin material 9 does not shift its position. Thus, most products having a three-dimensional structure can be attached neatly, and by using the skin material 9 which is cut into a predetermined size in advance, the work of post-processing (trimming) is released.

(2) Second Embodiment In this embodiment, as shown in FIG. 6, the locking pin 7 is provided on the positioning member 2 of the first embodiment so as to be retractable. By engaging the skin material 9 with the locking pin 7, it is made difficult for the skin material 9 to drop off from the positioning member 2 during the attachment. As a specific structure, the coil spring 71 is housed in the spring chamber 24 formed in the positioning member 2, and the locking pin 7 is projected onto the positioning member 2 by the elasticity of the coil spring 71. Further, the rod 73 of the fluid cylinder 72
The core wire 75 of the push-pull wire 74 connected to the above is connected to the locking pin 7, and the core wire 75 is operated by the operation of the fluid cylinder 72.
The locking pin 7 can be retracted into the spring chamber 24 by pulling. It should be noted that the rod of the air cylinder may be used as the locking pin 7 so as to be retractable by the operation of the air cylinder. Other configurations are similar to those of the first embodiment.

The method of sticking a skin material using such a sticking device is as follows. First, a small hole 9a is opened in advance in the peripheral edge of the skin material 9, and the locking pin 7 is inserted into the small hole, whereby the skin material 9 is set on the positioning member 2 without slack. Then, as in the first embodiment, the sandwiching member 61 is lowered to sandwich the peripheral edge of the skin material 9 on the upper surface of the positioning member 2 via the packaging sheet 3, and then the positioning member 2, the sandwiching member 61, The frame 32 is lowered to place the skin material 9 on the core material 8, the wrapping sheet 3 is lowered to cover the skin material 9 to form a closed space S, and the push die member 4 is further lowered to cover the skin. The material 9 is pressed onto the upper surface of the core material 8. In the above operation process, the peripheral edge of the skin material 9 is fixed by the locking pin 7 and is hard to come off, so that the necessary tension can be applied to the skin material 9 more reliably. Then, by operating the fluid cylinder 72 at a proper time to retract the locking pin 7, the tension applied to the skin material 9 can be adjusted appropriately. Thereafter, as in the first embodiment, the vacuum pump 5 is operated to suck the closed space S by vacuum, so that the skin material 9 is adsorbed to the core material 8 so that the outer peripheral edge of the skin material 9 is the back side of the outer peripheral edge of the core material 8. It can be stuck and attached to.

The present invention is not limited to those shown in the above embodiment, but can be variously modified within the scope of the present invention depending on the purpose and application. Although the skin material 9 is sandwiched on the upper surface of the positioning member 2 by lowering the sandwiching member 61 by the operation of the fluid cylinder 62 in the embodiment, the skin material 9 may be sandwiched on the positioning member 2 itself. A member may be provided. In that case, the sandwiching member may be pressed onto the positioning member 2 by an appropriate elastic spring. Further, in the embodiment, the positioning member 2, the sandwiching member 61, the wrapping sheet 3, the pressing member 4, the locking pin 7 and the like are moved up and down by the fluid cylinder. Of course, an actuator may be used. Further, the holding table 1, the positioning member 2, the sandwiching member 61, the wrapping sheet 3,
The size, shape, etc. of the push mold member 4, the locking pin 7, etc. can be appropriately selected according to the application, and the product is not limited to the automobile pillar garnish shown in the examples, but various types of automobile door trims, armrests, etc. It can be applied to attach a skin material to a core material in the form of.

[0025]

INDUSTRIAL APPLICABILITY As described above, the method and apparatus for sticking a skin material according to the present invention prevents the skin material from being displaced and wrinkles, and uses a skin material cut into a predetermined size. It has excellent effects in quality improvement and labor saving, such as eliminating the need for trimming process.

[Brief description of drawings]

FIG. 1 is a cross-sectional view showing an overall configuration of a skin material sticking device according to a first embodiment.

FIG. 2 is an overall cross-sectional view of the device showing the operation of the skin material sticking device.

FIG. 3 is an overall cross-sectional view of an apparatus showing the operation of the skin material sticking apparatus.

FIG. 4 is an enlarged cross-sectional view of a main part of the device showing the operation of the skin material sticking device.

FIG. 5 is an overall cross-sectional view of the device showing the operation of the skin material sticking device.

FIG. 6 is a cross-sectional view showing an overall configuration of a skin material sticking device according to a second embodiment.

FIG. 7 is a perspective view showing an example of a core material.

FIG. 8 is a perspective view showing an example of a skin material.

FIG. 9 is a perspective view of a core material to which a skin material is attached.

10 is a cross-sectional view of FIG.

[Explanation of symbols]

 1 Holding Table 2 Positioning Member 21 Fluid Cylinder 3 Packing Sheet 32 Frame Frame 4 Pushing Member 42 Fluid Cylinder 5 Suction Means 52 Vacuum Pump 54 Base Surface 6 Clamping Means 62 Fluid Cylinder 7 Locking Pin 72 Fluid Cylinder 74 Push Pull Wire 8 Core material 9 Skin material S Closed space

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Hiyoshi Ishikawa 3 1-336 Imaikecho, Anjo City, Aichi Prefecture Inoac Corporation Anjo Business Office

Claims (4)

[Claims] 1. A method for attaching a skin material, which comprises the following steps of bonding. (A) A first step of placing the core material on a holding table with its outer peripheral edge protruding (b) Attached to the surface of the core material by a positioning member supported above the core material Second step of setting the skin material and sandwiching the skin material between the positioning members (C) The positioning member is lowered to place the skin material on the core material, and the sag is sufficiently slack to prevent air permeability or lowness. Third step of forming a closed space around the holding base by covering the skin material from above with a breathable wrapping sheet (d) The skin material is formed by a pressing member having a mold surface that follows the surface of the core material. Fourth step of pressing against the surface of the core material (e) After unfastening the sandwiching of the skin material to the positioning member, vacuum the vacuum in the closed space to reduce the pressure to make the packaging sheet together with the skin material the core material Adsorbing and winding the outer peripheral edge of the skin material around the outer peripheral edge of the core material Process 2. A skin material sticking apparatus for covering a surface of a core material with a skin material, and winding the outer peripheral edge of the skin material around the back side of the core material to stick the skin material to the outer peripheral edge of the core material. The holding stand (1) which is placed in a protruding state, the positioning member (2) which positions the skin material to be placed on the surface of the core material, and the closed space around the holding base that covers the positioned skin material from above. A non-breathable or low-ventilating wrapping sheet (3) forming a sheet, and a pressing die member (4) having a die surface imitating the surface of the core material and pressing the skin material to the surface of the core material, Suction the air in the closed space to reduce the pressure,
A suction means (5) for pulling the wrapping sheet so that the outer peripheral edge of the skin material is wound around the back surface side of the outer peripheral edge of the core material, and further, a sandwiching means (6) for sandwiching the skin material between the positioning members. ) Is provided, the sticking device for the skin material. 3. A sandwiching member is provided at the tip of an actuator arranged downward, and the sandwiching member serves as the positioning member so that it can slide sideways when a tension greater than a predetermined value is applied to the skin material. The sticking device for a skin material according to claim 2, which serves as a sandwiching means for sandwiching the skin material. 4. The sticking device for a skin material according to claim 2, wherein a locking pin (7) that can be engaged with and disengaged from the skin material is provided on the positioning member so as to be retractable.