JP6443085B2 - Surface structure of member and method for forming surface of member - Google Patents

Description

  The present invention relates to a member surface structure and a member surface forming method.

In a member that is easily visible to the human eye, a painted portion and a non-painted portion may be provided on the surface in order to improve the design of the member. When manufacturing the said member, the surface part of the member corresponding to a coating part is painted in the state which masked the surface part of the member corresponding to a non-coating part with a masking tape. In the masking step before painting, it is necessary to accurately overlap the edge of the masking tape with the parting portion that is the boundary between both surface portions.
Therefore, conventionally, as disclosed in Patent Document 1, a rough wrinkle portion is provided on the surface of the member (bumper material), a non-wrinkled portion is provided in the middle of the rough wrinkle portion, and the wrinkled portion is used as a parting portion. It was. Thereby, a parting part can be made clear and it becomes easy to determine the position of the edge of the masking tape with respect to a parting part correctly.

JP-A-5-253533

However, according to the above conventional technique, a difference in gloss occurs between the rough and non-textured portions. For this reason, it is not preferable in terms of appearance quality to apply the above-described conventional technique to members that are easily noticeable by passengers, such as an instrument panel and a door trim of an automobile.
Further, in the case of a member that is easily touched by a human hand, the rough textured portion and the non-textured portion are not preferable because the feel of the surface of the member is different.
Furthermore, a gap is generated between the non-textured portion and the masking tape. As a result, the paint may enter the gap and the paint may protrude from the masked portion, which may deteriorate the appearance quality.
SUMMARY OF THE INVENTION The present invention has been made in view of the above circumstances, and its purpose is to improve the appearance quality of the member and to prevent the person who touched the surface of the member from feeling uncomfortable and the surface of the member. It is in providing a forming method.

The feature of the first invention is
On the surface of the member, the first grain portion and a second embossment portion grain depth adjacent Ri Do different are provided each other,
The surface of the first wrinkle portion is painted in a state where the second wrinkle portion is masked as a parting-off portion between the first wrinkle portion and the second wrinkle portion. (Claim 1)

According to this configuration, since the boundary between the first wrinkle part and the second wrinkle part having different wrinkle depths is used as the parting part, the parting part can be clarified. Therefore, in the masking step, the edge of the masking tape can be accurately superimposed on the parting portion.
In addition, since the first wrinkle portion and the second wrinkle portion differ only in the wrinkle depth, the difference in gloss between the first wrinkle portion and the second wrinkle portion can be reduced, and the appearance quality of the member is improved. In addition, it is possible to make it difficult for a person who touches the member to feel uncomfortable. (Claim 1)

In the first invention,
The second wrinkle portion in the vicinity of the parting portion can exhibit the following action when the wrinkle depth becomes shallower as it approaches the parting portion. (Claim 2)

  It is possible to reduce the amount of coating material entering between the masking tape and the concave portion of the second textured portion. As a result, it is possible to prevent the paint from protruding to the second textured portion side and to prevent the appearance quality of the member from being deteriorated. (Claim 2)

In the first invention,
When the processing depth of the parting portion from the surface of the member is set to be shallower than the depth of the first textured portion or the textured depth of the second textured portion, the following effect can be obtained. . (Claim 3)

  It is possible to suppress a decrease in the adhesion range of the masking tape at the parting portion. Therefore, it is possible to prevent deterioration of the appearance quality of the member due to the penetration of the paint into the masked portion. (Claim 3)

In the first invention,
When the member is an interior material, the following effects can be achieved. (Claim 4)

  The interior material is a member that is easily noticeable by humans and that is easy for humans to touch. Therefore, the present invention that can obtain the effect of improving the appearance quality of the member and the effect of making it difficult for the person who touched the member to feel uncomfortable is particularly effective. (Claim 4)

The feature of the second invention is:
On the surface of the member, the embossing step of processing the first grain portion and a second grain portion adjacent Ri is Do different grain depth to each other,
A masking step of masking the surface of the second wrinkle portion as a parting-off portion between the first wrinkle portion and the second wrinkle portion;
And a painting step of painting the surface of the first embossed portion after the masking step. (Claim 5)

According to this configuration,
Since the boundary between the first wrinkle part and the second wrinkle part having different wrinkle depths is used as the parting part, the parting part can be made clear. Therefore, in the masking step, the edge of the masking tape can be accurately superimposed on the parting portion.
In addition, since the first wrinkle portion and the second wrinkle portion differ only in the wrinkle depth, the difference in gloss between the first wrinkle portion and the second wrinkle portion can be reduced, and the appearance quality of the member is improved. In addition, it is possible to make it difficult for a person who touches the member to feel uncomfortable. (Claim 5)

According to the present invention,
The appearance quality of the member can be improved, and the surface structure of the member and the method for forming the surface of the member can be provided that hardly causes a person who touched the surface of the member to feel uncomfortable.

Perspective view of the left end of the instrument panel AA sectional view of FIG. It is a schematic diagram which shows the wrinkle depth etc., and is a schematic diagram corresponding to the AA cross section of FIG.

Hereinafter, embodiments for carrying out the present invention will be described with reference to the drawings.
FIG. 1 shows a left part of an instrument panel 1 (corresponding to members and interior materials) of an automobile. The instrument panel 1 includes an upper wall 2 and a vertical wall extending downward from an end of the upper wall 2 on the vehicle rear side Rr (vehicle interior side).

  The occupant seated on the front seat faces the vertical wall from the vehicle rear side Rr. Reference sign Fr is the front side of the vehicle. The upper wall 2 and the vertical wall can be seen well from the passenger. In addition, the passenger can easily touch the upper wall 2 and the vertical wall. In consideration of these points, the surface structure of the upper wall 2 is configured as follows (the surface structure of the vertical wall is the same as the surface structure of the upper wall 2 and the description thereof is omitted). ).

[Surface structure of the upper wall 2 of the instrument panel 1]
As shown in FIG. 1 to FIG. 3, a first wrinkle portion 4 and a second wrinkle portion 5 having different wrinkle depths A1 and A2 (see FIG. 3) are provided adjacent to the surface 2M of the upper wall 2. ing. The first embossed portion 4 is provided on the surface 2M of the longitudinal intermediate portion other than the left and right end portions of the upper wall 2, and the second embossed portion 5 is provided on the surface 2M of the left and right end portions of the upper wall 2. . As shown in FIG. 2, the longitudinal intermediate portion of the upper wall 2 provided with the first textured portion 4 bulges slightly above the left and right end portions where the second textured portion 5 is provided, A step portion is formed at the boundary between the middle portion in the longitudinal direction and the left and right end portions.

  In FIG. 3, reference numeral A <b> 1 is a texture depth of the first texture part 4, and A <b> 2 is a texture depth of the second texture part 5. The embossing depth A2 of the second embossing part 5 is set deeper than the embossing depth A1 of the first embossing part 4 (A1 <A2). The patterns of the first wrinkle portion 4 and the second wrinkle portion 5 are leather patterns.

  And the surface of the 1st embossed part 4 is in the state where the 2nd embossed part 5 was masked with masking tape (not shown) as parting-out part L between the 1st embossed part 4 and the 2nd embossed part 5 It is painted. The parting portion L is located at the step portion (see FIG. 2) of the upper wall 2.

[Structure of parting part L]
As shown in FIG. 3, the parting portion L is formed by matting. Thus, the parting portion L has a certain width. The processing depth B of the parting portion L from the surface 2M of the upper wall 2 is substantially the same. The processing depth B of the parting portion L is set to be shallower than the embossing depth A1 of the first embossing portion 4 and the embossing depth A2 of the second embossing portion 5. As for the 2nd embossed part 5 of the vicinity of the parting part L, the embossing depth A2 becomes shallow as the parting part L is approached.
The surface of the first wrinkle portion 4 (surface 2M of the upper wall 2), the surface of the second wrinkle portion 5 (surface 2M of the upper wall 2), and the surface of the parting portion L (surface of the upper wall 2) which are easily touched by the passenger's hand 2M) is substantially the same in height (position in the thickness direction of the upper wall 2). Thereby, a level | step difference does not appear on the said surface, but even if a passenger | crew touches the said surface with a hand, it can be made hard to feel uncomfortable.

[Method for forming surface of upper wall 2 of instrument panel 1]
The method of forming the surface of the upper wall 2 is as follows:
An embossing process for processing the surface 2M of the upper wall 2 with the first embossing part 4 and the second embossing part 5 having different embossing depths A1, A2 adjacent to each other,
A matting process for matting as a parting portion L at the boundary between the first embossed part 4 and the second embossed part 5;
A masking step of masking the surface of the second wrinkle portion 5 as a parting portion L of the boundary between the first wrinkle portion 4 and the second wrinkle portion 5;
And a painting process for painting the surface of the first embossed part 4 after the masking process.

  3 is a masking range, and in the masking step, the edge of the masking tape is positioned at the center of the parting portion L in the width direction. Reference numeral E denotes a painting range, and in the painting process, painting is performed up to the center in the width direction of the parting portion L.

According to the configuration of the present invention,
(1) Since the boundary between the first embossed part 4 and the second embossed part 5 having different embossed depths A1, A2 is defined as the parting part L, the parting part L can be clarified. Therefore, in the masking step, the edge of the masking tape can be accurately superimposed on the parting portion L.
In addition, since the first embossed portion 4 and the second embossed portion 5 differ only in the embossed depths A1 and A2, the difference in gloss between the first embossed portion 4 and the second embossed portion 5 can be reduced. The appearance quality of the upper wall 2 can be improved, and it is possible to make it difficult for a person who touched the upper wall 2 to feel uncomfortable.

(2) Since the second embossed part 5 in the vicinity of the parting part L is closer to the parting part L, the embossing depth A2 becomes shallower, so that the coating material between the masking tape and the concave part of the second embossing part 5 The amount of intrusion can be reduced. As a result, it is possible to suppress the paint from protruding to the second textured portion 5 side, and to prevent the appearance quality of the upper wall 2 from being deteriorated.

(3) The processing depth B of the parting portion L from the surface 2M of the upper wall 2 is set to be shallower than the embossing depth A1 of the first embossing portion 4 and the embossing depth A2 of the second embossing portion 5. Further, it is possible to suppress a decrease in the adhesive range of the masking tape at the position of the parting portion L. Accordingly, it is possible to prevent the appearance quality of the upper wall 2 from being deteriorated due to the penetration of the paint into the masked portion.

[About the texture pattern]
The pattern of the first wrinkle part 4 and the second wrinkle part 5 may be a satin pattern, a wood grain pattern, a rock grain pattern, a grain pattern, a fabric pattern, or other patterns. When the first textured part 4 and the second textured part 5 are made the same pattern, the appearance quality can be improved as compared with the case where they are made different patterns.

[About the grain depth A1 of the first grain part 4 and the grain depth A2 of the second grain part 5]
The embossing depth A1 of the first embossing part 4 and the embossing depth A2 of the second embossing part 5 are not particularly limited, but are preferably about 10 μm to 200 μm (100% embossing depth) in terms of appearance quality. The 100% embossing depth is the maximum embossing depth that can be machined with a mold used for embossing.

[Difference between the texture depth A1 of the first texture portion 4 and the texture depth A2 of the second texture portion 5]
If the embossed depth A1 of the first embossed part 4 and the embossed depth A2 of the second embossed part 5 are different by 10 μm or more, the parting part L can be made clearer, and the parting part L can be easily identified during masking. can do.

  The parting part L can be formed not only by frosting but also by frosted glass processing or embossing. With these processes, the parting portion L can be widened to some extent.

[About surface coating]
The type of surface coating of the first textured portion 4 is not particularly limited. Various coatings such as epoxy resin coating, phthalic acid resin coating, amino alkyd resin coating, acrylic resin coating, water-soluble resin coating, and urethane resin coating can be employed.

[About parts]
The member is not limited to the instrument panel 1 and may be another member. For example, the member may be an automobile interior material such as a door trim or an automobile bumper.

1 Materials and interior materials (instrument panels)
2M Member surface (surface of the top wall of the instrument panel)
4 1st wrinkle part 5 2nd wrinkle part A1 wrinkle depth (wrinkle depth of the 1st wrinkle part)
A2 Wrinkle depth (Wrinkle depth of second wrinkle part)
B Cutting depth of parting part L Parting part

Claims (5)

On the surface of the member, the first grain portion and a second embossment portion grain depth adjacent Ri Do different are provided each other,
The surface structure of the member by which the surface of the said 1st wrinkle part is coated in the state which masked the said 2nd wrinkle part as a parting-off part of the said 1st wrinkle part and the said 2nd wrinkle part.   The surface structure of the member according to claim 1, wherein the second textured portion in the vicinity of the parting portion has a grain depth that becomes shallower as it approaches the parting portion.   3. The surface structure of a member according to claim 2, wherein a processing depth of the parting portion from the surface of the member is set to be shallower than a texture depth of the first texture portion or a texture depth of the second texture portion.   The surface structure of the member according to claim 1, wherein the member is an interior material. On the surface of the member, the embossing step of processing the first grain portion and a second grain portion adjacent Ri is Do different grain depth to each other,
A masking step of masking the surface of the second wrinkle portion as a parting-off portion between the first wrinkle portion and the second wrinkle portion;
A member surface forming method comprising: a coating step of coating the surface of the first textured portion after the masking step.

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