JP4307236B2 - Laminate panel molding apparatus and molding method thereof - Google Patents

Description

  The present invention relates to an apparatus for manufacturing a laminated panel in which a skin material is bonded to a part of a base material and a molding method thereof.

Conventionally, in this type of method for forming a laminated panel, a concave groove for separating the upper side and the lower side is provided in the breathable substrate of the laminated panel, and the skin material is provided in one region divided by the concave groove. There is known one that is evacuated through a base material and adheres to the base material. In this molding method, when the end of the skin material is press-fitted and fixed in the concave groove with the push bar, the skin material is cut along the concave groove with a trim blade provided on the push bar (for example, Patent Document 1). reference).
Japanese Patent Laid-Open No. 8-183089

  However, in the conventional method for forming a laminated panel, since an adhesive is applied to most of the back surface of the skin material, an unnecessary skin material is also adhered to the periphery of the groove at the same time.

  Therefore, when removing unnecessary skin material from the base material after cutting the skin material, the unnecessary skin material is attached to the base material side by the adhesive applied to the back surface, so that the skin material can be easily removed I can't. For this reason, there existed a problem that automation of the operation | work which removes an unnecessary skin material from a base material was difficult.

  The present invention has been made in view of such a point, and an object of the present invention is to provide a member that covers a non-skin laminated portion that does not require adhesion of a skin material on a substrate constituting a laminated panel. The object is to efficiently bond and laminate the skin material to a part of the material.

  In order to achieve the above object, in the present invention, the non-skin layered portion of the breathable substrate is masked, and the skin material is sucked onto the substrate surface through the breathable substrate.

  Specifically, in the invention of the molding apparatus according to claim 1, the boundary between the skin laminated portion where the adhesive is applied to the surface and the skin material is adhered to the surface and the non-skin laminated portion where the skin material is not adhered is defined. A breathable base material provided with a receiving surface for cutting the skin material along the planned skin material cutting line is placed, and has a suction hole for sucking the skin material to the surface of the base material through the base material A suction die, a shielding member for masking a non-skin layered portion of the base material by wrapping a terminal portion on the receiving surface of the base material along the scheduled cutting line, and the suction die in the suction die. A suction means for sucking outside air, and a trim blade that cuts the skin material covering the skin lamination portion and the shielding member of the base material along the planned cutting line by pressing the blade edge against the receiving surface of the base material And the shielding member, the non-skin laminated portion of the base material And a switching means for switching to the avoidance position for avoiding the placement and removal of the said suction-type masking position and the substrate to be masked.

In the invention of the molding method of claim 2, the skin material is cut along the skin material cutting scheduled line at the boundary between the skin laminated portion where the skin material is adhered to the surface and the non-skin laminated portion where the skin material is not adhered. A step of preparing a breathable base material provided with a receiving surface of the trim blade, an application step of applying an adhesive to at least a skin material layered portion of the base material, and a base material coated with the adhesive. A placing step of placing the skin material on a suction mold having a suction hole for sucking the skin material to the surface of the base material, and a shielding member along the skin material cutting scheduled line on the receiving surface of the base material A masking step of wrapping the terminal portion to mask the non-skin layered portion of the base material, a cover step of covering the skin layered portion of the base material and the heat-softened skin material on the shielding member, and the suction type suction From the hole, the skin material and the base material A suction step of sucking the skin material onto the surface of the base material and the blocking member, and pressing the cutting edge of the trim blade against the receiving surface of the base material to The cutting process which cut | disconnects along a cutting plan line, and the avoidance process which avoids the said shielding member from a base material are provided.

  According to the first and second aspects of the invention, the breathable base material to which the adhesive is applied is placed on the suction mold having the suction holes, and the skin material is cut along the skin material cutting scheduled line of the base material. The end portion of the shielding member is wrapped on the receiving surface for masking the non-skin layered portion of the base material, and the skin material covering the skin layered portion and the shielding member of the base material is trimmed on the receiving surface of the base material. Is pressed along the planned cutting line.

  In this way, since the adhesive is applied only to the base material side, and the non-skin layered portion is masked by the shielding member, unnecessary skin material is not adhered to the base material, and the skin material after cutting is removed. It can be done easily and reliably.

  Therefore, since the work of cutting the skin material and the work of separating the unnecessary skin material from the base material after the cutting can be automated, the production efficiency of the laminated panel is improved.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings.

(Embodiment 1)
-Molding device-
In FIG. 1, the shaping | molding apparatus 1 of the laminated panel which concerns on Embodiment 1 of this invention is shown. On the molding apparatus 1, a breathable base material 5 of a driver's seat side instrument panel as a laminated panel is placed. The substrate 5 has a large number of minute suction holes 5a, 5a,... (Exaggeratedly shown in FIG. 3).

  FIG. 2 shows a driver-seat-side instrument panel 3 as a laminated panel formed according to the present invention. The lower end portion of the instrument panel 3 is provided with a joint portion 5b that is a joint portion between the instrument panel 3 and a lower panel (not shown) disposed below the instrument panel 3. In addition, a meter hood mounting portion 5c that is cut and formed in a semicircular shape is provided at the center of the instrument panel 3 in order to equip a meter hood that covers the instruments. And the skin material 7 is adhere | attached on the whole part exposed to a vehicle interior.

  That is, the base material 5 has a non-skin laminate in which an adhesive is applied to the surface and the skin material 7 is adhered to the skin material layer portion (in this embodiment, the entire portion exposed in the passenger compartment) and the skin material 7 is not adhered. It consists of parts (joint part 5b, meter hood attaching part 5c, etc.).

  And the receiving surface 9 which consists of a continuous flat surface along the boundary (henceforth the skin material cutting plan line 10) of the skin lamination part of the said base material 5 and a non-skin lamination part is provided in order to cut | disconnect a skin material. It has been. In the present embodiment, the receiving surface 9 is provided in the joint portion 5b and the meter hood mounting portion 5c, and is continuous in an Ω shape when viewed from the surface side.

  As shown in FIG. 3, the molding apparatus 1 includes a suction mold 11 in which a large number of minute suction holes 11a, 11a,... (Exaggeratedly shown in FIG. 3) for communicating the inside and outside of the mold are formed. It has. The suction mold 11 is formed with a fitting portion 11b having a surface shape along the back surface of the instrument panel 3 protruding from the surface of the central portion thereof. The base material 5 is placed on the fitting portion 11b.

  The molding apparatus 1 is provided with an air pump (not shown) as a suction means, and by this air pump, air is sucked from a suction port 11c provided at the lower end portion of the suction mold 11 to keep the inside of the mold at a negative pressure. The air outside the mold is sucked into the mold through the suction holes 11a, 11a,. Thus, the base material 5 placed on the fitting portion 11b is sucked from the suction holes 11a, 11a,..., And the suction holes 11a are formed through the suction holes 5a, 5a,. , 11 a,... Are directly sucked from the skin material 7, and the skin material 7 is evacuated onto the base material 5.

  The molding apparatus 1 includes a shielding plate 13 as a shielding member having a terminal portion 13 a corresponding to the receiving surface 9. The shielding plate 13 is supported at its lower end by the support shaft 15 so as to be rotatable on the suction mold 11, and a masking position for masking a non-skin layered portion of the substrate 5 by a switching means (not shown) made of a robot or the like. And an avoidance position for avoiding placement and removal of the base material 5 on the suction mold 11. That is, at the masking position, the terminal portion 13a of the shielding plate 13 is wrapped on the receiving surface 9 of the base material 5 along the scheduled cutting line 10 so as to mask the non-skin layered portion of the base material 5. It has become.

  Therefore, the skin material 7 is not bonded to the non-skin-bonded portion of the base material 5 that is masked by the shielding plate 13.

  Furthermore, the molding apparatus 1 includes a trim blade 17 having a shape corresponding to the outer peripheral surface of the instrument panel 3 and having a cutting edge provided at the lower end. The cutting edge of the trim blade 17 is pressed against the receiving surface 9 of the base material 5, and the skin material 7 covering the skin laminated portion of the base material 5 and the shielding plate 13 is cut along the scheduled cutting line 10. The

  The skin material 7 along the outer periphery of the remaining instrument panel 3 is cut together with the end of the base material 5 so that unnecessary portions are cut by the trim blade 17. Since the adhesive is not applied to the skin material 7 and the suction mold 11, the skin material 7 is not bonded to the suction mold 11 in this region.

-Molding method-
Next, the method to shape | mold the instrument panel 3 as a laminated panel using the shaping | molding apparatus 1 of this Embodiment 1 is demonstrated.

  First, the base material 5 of the instrument panel 3 is prepared by injection molding so as to have a large number of minute suction holes 5a, 5a,.

  Next, in the coating process, the portion other than the skin lamination portion of the substrate 5 is covered with an adhesive masking material such as vinyl or a jig, and the adhesive is sprayed and applied only to the skin lamination portion. At this time, it is not always necessary to completely mask the adhesive, and an adhesive masking material may not be provided. In other words, an adhesive may be applied to other than the skin laminated portion.

  Next, the adhesive applied to the substrate 5 is dried, and excess solvent of the adhesive is evaporated.

  Next, as shown in FIG. 3, in the placing step, the base material 5 coated with an adhesive by a robot arm or the like is placed on the fitting portion 11 b of the suction die 11. At this time, the shielding plate 13 is in the avoidance position.

  Next, in the masking step, the shielding plate 13 in the avoidance position is moved to the masking position by the switching means, and the terminal portion 13a of the shielding plate 13 is wrapped along the scheduled cutting line 10 on the receiving surface 9 of the base material 5. And masking the non-skin laminated portion of the substrate 5.

  Next, as shown in FIG. 4, in the covering step, the heat-softened sheet-like skin material 7 is grasped by the robot arm 30, the suction die 11 is moved under the skin material 7, and then the suction die 11. Is raised toward the skin material 7. Thus, the skin material 7 is placed so as to cover the entire suction mold 11 including the skin lamination portion of the base material 5 and the shielding plate 13 from above.

  Next, as shown in FIG. 5, in the suction process, air is sucked from the suction port 11 c of the suction mold 11 at the same time when the skin material 7 is placed, and the inside of the suction mold 11 is kept at a negative pressure. Are sucked directly through the suction holes 5a, 5a,... Of the substrate 5 or from the suction holes 11a, 11a,. In this way, the skin material 7 is evacuated and adsorbed on the surface of the suction mold 11 surrounding the skin laminated portion of the base material 5, the shielding plate 13 and the base material 5. At this time, the skin material 7 is bonded to the skin laminated portion of the base material 5 to which the adhesive is applied.

  Next, as shown in FIG. 6, in the cutting process, the trim blade 17 is lowered from above toward the suction die 11, and the blade edge is pressed perpendicularly to the receiving surface 9 of the base material 5 to cut the skin material 7. Cut along the planned line 10. At this time, the skin material 7 is cut by the trim blade 17 also on the outer peripheral surface of the other base material 5.

  Next, as shown in FIG. 7, in the avoidance step, the unnecessary skin material 7 is pulled by the robot arm 30 and removed from the base material 5. At this time, the shielding plate 13 is also pulled together with the skin material 7, is avoided from the base material 5, and is returned to the avoidance position.

  Finally, as shown in FIG. 8, the instrument panel 3 to which the skin material 7 is adhered by the carry-out means 31 provided with the suction cup 31 a at the tip in the state where the shielding plate 13 is in the avoidance position is removed from the suction die 11. Demolded.

-Effect of Embodiment 1-
Therefore, according to the laminated panel molding apparatus 1 of the present embodiment, the adhesive is applied only to the base material 5 side, and the joint portion 5b and the meter hood mounting portion 5c which are non-skin laminated portions are masked by the shielding plate 13. Therefore, the unnecessary skin material 7 does not adhere to the joint portion 5b and the meter hood mounting portion 5c, and the skin material 7 after cutting can be easily and reliably removed.

  Therefore, the cutting work of the skin material 7 and the separation work of the unnecessary skin material 7 after the cutting from the base material 5 can be automated.

(Embodiment 2)
9 and 10 show a second embodiment of the present invention, which differs from the first embodiment mainly in the configuration of the shielding member, switching means and trim blade 17. In the following embodiments, the same parts as those in FIGS. 1 to 8 are denoted by the same reference numerals, and detailed description thereof is omitted.

  The laminated panel molding apparatus 1 of the present embodiment is configured to adhere a skin material to a base material in an instrument panel having a shape different from that of the first embodiment. This instrument panel is also provided with a receiving surface 9 along a skin material cutting scheduled line 10. The molding apparatus 1 of the present embodiment also includes a suction die 11 having a fitting portion 11b that follows the shape of the instrument panel.

  The molding apparatus 1 is provided with cylinders 23 and 23 as switching means having a cylinder rod 23a that expands and contracts in the horizontal direction. A cover member 21 as a shielding member having a terminal portion 21a having a shape corresponding to the receiving surface 9 is attached to the tip of each cylinder rod 23a. That is, each cylinder 23 moves the cover member 21 in the horizontal direction to mask the non-skin-laminated portion of the base material 5 (shown in FIG. 10) and the avoidance position (see FIG. 9) to avoid the base material 5. To show).

  That is, the cover member 21 in the avoidance position is extended toward the base material 5 by extending the cylinder rod 23a of each cylinder 23, and the terminal portion 21a is wrapped on the receiving surface 9 of the base material 5, thereby The non-skin laminated portion of the ment panel is masked.

  Therefore, each cover member 21 is switched between the masking position and the avoidance position by the cylinders 23, and the other steps are performed in the same manner as in the first embodiment. The material 7 can be bonded.

(Embodiment 3)
11 and 12 show a third embodiment of the present invention, which differs from the second embodiment in that the configurations of the shielding member and the switching means are different.

  That is, the molding apparatus 1 of the present embodiment includes cylinders 23 and 23 as switching means having cylinder rods 23a and 23a that expand and contract in the vertical direction. A shield plate 13 having a window portion 13b cut out along the receiving surface 9 provided along the outer peripheral shape of the skin laminated portion of the instrument panel is attached to the cylinder rods 23a, 23a. Then, by each cylinder 23, the shielding plate 13 is moved downward to mask the non-skin laminated portion of the base material 5 (shown in FIG. 12) and the avoidance position (see FIG. 11) to avoid the base material 5. To show).

  That is, the shielding plate 13 is lowered downward by the cylinder 23 from the avoidance position, and the terminal portion (inner end portion) 13a of the shielding plate 13 is wrapped on the receiving surface 9 of the base member 5, so that the instrument panel The non-skin laminate site is masked.

  In the shielding plate 13, positioning holes 13c, 13c,... Are opened, and the positioning holes 13c, 13c,... Are engaged with positioning pins 11d, 11d,. The shielding plate 13 is disposed at a predetermined position.

  And the skin material 7 is easily adhere | attached on an instrument panel also in this embodiment by performing the process similar to the said Embodiment 1. FIG.

(Other embodiments)
This invention is good also as following structures about the said Embodiment 1-3. That is, in each said embodiment, although the skin material 7 is provided in the whole part exposed to the driver's seat side of an instrument panel, you may provide only in the part.

  Further, the shape of the laminated panel is not limited to the above embodiments. In short, what is necessary is just to adhere a skin material to a part of base material.

  As described above, the present invention is useful for a forming apparatus for forming a laminated panel for adhering a skin material to a part of a substrate and a method for forming the laminated panel.

It is the perspective view which showed the shaping | molding apparatus of the laminated panel which concerns on embodiment of this invention. It is a perspective view which shows a laminated panel. It is sectional drawing which cuts and shows a mounting process and a masking process by the III-III line of FIG. FIG. 4 is a view corresponding to FIG. 3 illustrating a cover process. FIG. 4 is a view corresponding to FIG. 3 illustrating a suction process. FIG. 4 is a view corresponding to FIG. 3 showing a cutting process. FIG. 4 is a view corresponding to FIG. 3 illustrating an avoidance step. FIG. 4 is a view corresponding to FIG. 3 illustrating a step of removing the laminated panel. 5 is a cross-sectional view showing a molding apparatus according to Embodiment 2. FIG. FIG. 6 is a view corresponding to FIG. 4 according to the second embodiment. 6 is a cross-sectional view showing a molding apparatus according to Embodiment 3. FIG. FIG. 6 is a view corresponding to FIG. 4 according to the third embodiment.

Explanation of symbols

1 Molding device 3 Instrument panel (laminated panel)
5 Base material 7 Skin material 9 Receiving surface 11 Suction type 11a Suction hole 13 Shielding plate (shielding member)
13a terminal part 17 trim blade 21 cover member (shielding member)
21a terminal part 23 cylinder (switching means)

Claims (2)

For cutting the skin material along the planned skin material cutting line at the boundary between the skin laminated portion where the adhesive is applied to the surface and the skin material is adhered to the surface and the non-skin laminated portion where the skin material is not adhered A breathable base material provided with a continuous flat receiving surface is mounted, and a suction mold having a suction hole for sucking the skin material to the surface of the base material through the base material,
A shielding member that masks the non-skin laminate portion of the base material by bringing the terminal portion into contact with the cut line only on the receiving surface of the base material,
A suction means for sucking air outside the mold from the suction hole in the suction mold;
A trim blade that presses the cutting edge against the receiving surface of the base material and cuts the skin material covering the skin laminated portion and the shielding member of the base material along the planned cutting line;
And a switching means for switching the shielding member between a masking position for masking a non-skin laminated portion of the base material and an avoidance position for avoiding placement and removal of the base material on the suction mold. A device for forming a laminated panel. A continuous flat receiving surface of the trim blade that cuts the skin material along the line of the skin material to be cut at the boundary between the skin laminated portion where the skin material is bonded to the surface and the non-skin laminated portion where the skin material is not bonded. Preparing a provided breathable substrate;
An application step of applying an adhesive to at least the skin material skin lamination portion in the substrate;
A placing step of placing the substrate coated with the adhesive on a suction mold having a suction hole for sucking the skin material to the surface of the substrate through the substrate;
A masking step of masking the non-skin laminated portion of the base material by contacting the terminal portion of the shielding member along the skin material cutting scheduled line only on the receiving surface of the base material,
A cover step for covering the skin layered portion of the base material and the heat-softened skin material on the shielding member;
A suction step of degassing the air between the skin material and the base material from the suction type suction hole and sucking the skin material onto the surface of the base material and the blocking member;
A cutting step of pressing the edge of the trim blade against the receiving surface of the base material and cutting the skin material along the planned cutting line;
A method for forming a laminated panel, comprising: an avoiding step of avoiding the shielding member from the base material.

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