JPH0151329B2 - - Google Patents

Description

[Detailed Description of the Invention] [Field of Industrial Application] The present invention relates to a mold for interior materials, etc. More specifically, the present invention relates to a mold for interior materials, etc., and more specifically, a mold for disposing interior materials, etc. between a mold consisting of a lower mold and an upper mold. This invention relates to a mold for an interior material, etc., which is configured to form appropriate uneven portions on the interior material, etc. by matching a lower mold and an upper mold.

[Conventional technology]

2. Description of the Related Art Conventionally, there have been methods and molds for press-molding interior materials such as vehicle interior materials, such as floor carpets, to correspond to a desired floor shape. As shown in FIGS. 7 and 8, this mold 1 consists of a lower mold 2 and an upper mold 3. Concave portions 4, 4 are formed on both sides of the lower mold 2, and a floor is formed in the center. Convex portions 5 are formed corresponding to the shape, and convex portions 6, 6 that can fit into the concave portions 4, 4 are provided on both sides of the upper die 3.
A concave portion 7 into which the convex portion 5 of the lower mold 2 can fit is formed in the center. Furthermore, mold matching parts 2a and 3a are formed between the lower mold 2 and the upper mold 3, respectively.

Then, the raw floor carpet 11 is placed between the lower mold 2 and the upper mold 3, and the end portion of the raw floor carpet 11 is placed so as to give an appropriate tension to the raw floor carpet 11. 11a is held by a clamp 13, and in this holding state, the lower mold 2 and the upper mold 3 are brought together to form a floor carpet 12 having uneven parts as an interior material. In addition, the original fabric of the floor carpet 1
1 is formed from a carpet layer 14 on the front side and a backing material 15 on the back side.

[Problem that the invention seeks to solve]

However, when molding the floor carpet 12 as an interior material using the conventional mold 1,
An original fabric 11 of the floor carpet is pressed between the edge 2b of the lower mold 2 on the side of the mold matching part 2a and the outer edge 3b of the tips of the convex parts 6, 6 of the upper mold 3. ,
The original fabric 11 of the floor carpet is placed in the concave portion 4 of the lower mold 2.
There is a risk that the backing material 15 on the back side of the original fabric 11 of the floor carpet may be damaged or scraped off during the molding process, and the sound insulation and shape retention properties of the floor carpet 12 after molding may be affected. In addition, it has the drawback that the fibers of the carpet layer 14 on the surface side may come off or be damaged, and various troubles are likely to occur, work efficiency may deteriorate, and cushioning properties and appearance may also deteriorate. It had

An object of the present invention is to improve the efficiency of molding work for interior materials, etc., and to prevent the back side or front side of the interior materials, etc. from being damaged or scraped off during molding, and to make the interior materials suitable for use as interior materials. To provide a mold for interior materials, etc., which can produce interior materials with excellent appearance without risk of impairing various functions.

[Means for solving problems]

The present invention has been made in view of the above-mentioned problems, and includes a lower mold and an upper mold, a concave portion is formed on one of the lower mold and the upper mold, a convex portion is formed on the other, and the present invention is provided with a lower mold and an upper mold. In a mold configured to form appropriate uneven parts on an interior material etc. disposed between the upper molds, when the interior material etc. is pressed by the convex part and inserted into the concave part of the mold. A rotating member is disposed at the edge of the mold that contacts the interior material, etc., and the rotating member has an axis that is bent to match the unevenness of the edge of the mold, and a rotating member that is connected to the axis. It is characterized by consisting of a rotatably inserted coil spring or rotating ring.

[Effect]

According to the mold for interior materials, etc. according to the present invention, since a rotating member consisting of an axis and a coil spring or a rotating ring is provided at the edge of the mold, there is no risk of damaging the interior materials, etc. The coil spring or rotary ring can be rotated without any risk of impairing its various functions as an interior material, and even if the edges of the lower and upper molds are uneven. Therefore, even if the end edge of the mold has a complicated configuration, sharply shaped uneven parts can be formed, and interior materials etc. with excellent appearance can be molded.

〔Example〕

DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of a mold for interior materials, etc. according to the present invention will be described in detail below with reference to the drawings.

FIG. 1 and FIG. 2 each schematically show an embodiment of a mold for interior materials, etc. according to the present invention.
This mold 31 consists of a lower mold 32 and an upper mold 33 that is fitted to the lower mold 32. In this embodiment, as shown in FIG. A convex portion 35 is formed in the center, and is formed to correspond to the shape of the floor of a vehicle or the like. Further, the upper mold 33 has the recessed portions 34 and 3.
Convex portions 36, 36, which fit with 4, are formed on both sides, and a concave portion 37 is formed in the center.

Furthermore, as an interior material, this example shows a case in which it is applied to a floor carpet 12 of a vehicle, etc., similar to the prior art described above, but it is not limited to the floor carpet 12, and can be applied to other interior materials. wood,
For example, it can be applied to various interior materials such as molded ceilings, back garnishes, and door linings. The raw fabric 11 of this floor carpet is formed from a carpet layer 14 on the front side and a backing material 15 on the back side, and the backing material 15 is formed from a felt layer etc. formed by mixing thermoplastic resin etc. There is.

In this embodiment, either the edge 42 of the lower mold 32 on the mold matching part 41 side or the outer edge 43 of the tip of the convex part 36 of the upper mold 33, the lower mold 3
The rotating member 4 is attached to the end edge 42 on the side of the mold matching part 41 of 2.
5 are arranged. This rotating member 45 is activated when the floor carpet original fabric 11 is pressed against the concave portion 34 of the lower mold 32 and the convex portion 36 of the upper mold 33.
In the initial stage of insertion, the lower mold 3 that comes into contact
This is formed on the edge portion 42 of No. 2. Therefore, as shown in FIG. 1, when a protrusion 39 extending upward or inward is formed at the center position in the width direction of the lower mold 32 of the mold 31, the end edge 42 of the protrusion 39 It is bent and formed along the shape of the uneven portion.

As shown in FIGS. 1 and 3, the rotating member 45 includes an axis 46 formed along the edge 42 and made of a pipe, etc., and a coil spring rotatably inserted into the axis 46. 47, and both ends 46a of the axis 46 are fixed to brackets 48 fixed to both ends of the edge 42 of the lower die 32. The bracket 48 is made of gun metal or the like, and has a hole 48a into which the end 46a of the shaft center 46 is inserted, and a bolt hole 48b formed in a direction perpendicular to the hole 48a.
The end portion 46a of the shaft center 46 is fixed to the hole portion 48a by the bolt inserted further. Therefore, the axis 4
6 has a curved or bent portion 46b formed along the protrusion 39.

FIG. 4 shows a different embodiment of the rotating member 45, in which a plurality of rotating rings 51 are installed in place of the coil spring 47 fitted to the shaft center 46 so as to be rotatable around the shaft center 46. The rotating ring 51 can be made of various materials such as metal, rubber, synthetic resin, etc. If it is made of a soft and flexible member, it can be made of a suitable length. A pipe-shaped one can also be used. It will be obvious that the coil spring 47 and the rotating ring 51 of the rotating member 45 can rotate even if the bent portion 46b is present on the axis 46.

FIG. 5 shows a further different embodiment of the rotary member 45, which has a ball bearing 53 provided at the end edge 42 of the mold matching portion 41 of the lower mold 32. The ball 54 of the bearing 53 is rotatably supported by a bearing portion 55.
One side of the ball 54 is exposed at the edge of the end edge 42.

The diameter of the axis 46 of the rotating member 45 is formed in accordance with the curvature of the edge shape of the edge of the lower die 32 of the mold 31, and the coil spring 47,
It is formed with a gap necessary for rotation of the rotating ring 51. In addition, in this embodiment, the lower mold 32
Although the case has been described in which the rotating member 45 is provided on the edge portion 42 of the upper mold 33, a rotating member 45 similar to that described above may be provided on the outer edge portion 43 of the convex portion 36 of the upper die 33. .

Next, an embodiment of a molding method using a mold for interior materials, etc. according to the present invention will be described.

First, as shown in FIG. 6, an original fabric 11 of, for example, a floor carpet as an interior material is placed between a lower mold 32 and an upper mold 33. The end portion 11a of the original floor carpet 11 is held by a movable clamp 57, and the original floor carpet 11 is held under an appropriate tension. At this time, the backing material 15 side of the floor carpet original fabric 11 is arranged so as to face the lower die 32.

Next, the lower mold 32 and the upper mold 32 are matched in the usual manner. As the convex portion 36 of the upper mold 33 presses the original floor carpet 11 against the concave portion 34 of the lower mold 32, the movable clamp 57 moves the lower mold 3
While being pulled and moved toward the end edge 42 side of 2,
The original floor carpet 11 is inserted into the concave portion 34 of the lower mold 32. At this time, the raw material 11 of the floor carpet comes into contact with the rotating member 45 of the edge portion 42 of the lower die 32, and is pressed and inserted into the concave portion 34 while contacting this rotating member 45. That is, the coil spring 47 or the rotating ring 51 of the rotating member 45 rotates, or the ball bearing 53 of the rotating member 45 rotates.
A ball 54 rotates on a bearing portion 55.

In this embodiment, the coil spring 47, the rotating ring 51, and the ball 54 are arranged so that the rotating member 45 automatically rotates due to the contact resistance with the original fabric 11 of the floor carpet. In the case of the rotating ring 51, it can be forcibly rotated in response to the lowering of the upper die.

〔Effect of the invention〕

The above is the configuration of one embodiment of the mold for interior materials, etc. according to the present invention. According to such a configuration, an appropriate tension is applied to the interior materials, etc., so that the interior materials, etc. fit into the concave portion of the mold. By coming into contact with the coil spring or rotating ring of the rotating member formed at the edge of the mold when being press-inserted, the coil spring or rotating ring of the rotating member can be press-inserted into the recess while rotating. Because of this, it is possible to significantly reduce the contact resistance that occurs when it comes into contact with the edge of the mold, and there is no risk of damaging or scraping the interior material, etc., and there is no risk of damaging various functions as the interior material. There is no leakage, work efficiency can be significantly improved, and interior materials etc. with excellent appearance can be obtained.

[Brief explanation of drawings]

Figures 1 to 3 show the structure of an embodiment of a mold for interior materials, etc. according to the present invention. Figure 1 is a partial perspective view of the mold, and Figure 2 is a view of the molding state. 3 is an exploded perspective view of the rotating member, FIGS. 4 and 5 are front views and sectional views showing different embodiments of the rotating member, and FIG. 7 and 8 are cross-sectional views of a conventional mold and a state in which molding is being performed using the mold. In the figure, 11... Original fabric of floor carpet as interior material, 12... Floor carpet, 14...
Carpet layer, 15... Backing material, 31...
Molding die, 32...lower die, 33...upper die, 34,3
7... Concave portion, 35, 36... Convex portion, 41...
Mold matching part, 42, 43... Edge part, 45... Rotating member, 46... Axis center, 46b... Bent part, 47
...Coil spring, 48...Bracket, 5
1...Rotating ring, 53...Ball bearing,
54...Ball, 55...Bearing section, 57...Movable clamp.

Claims (1)

[Claims] 1 Comprising a lower mold and an upper mold, a concave portion is formed on one of the lower mold and the upper mold and a convex portion is formed on the other, and an interior material etc. disposed between the lower mold and the upper mold is appropriately coated. In a mold configured to form an uneven portion, an edge portion of the mold that comes into contact with the interior material, etc. when the interior material, etc. is pressed by the convex portion and inserted into the concave portion of the mold. A rotating member is disposed in the mold, and the rotating member includes an axis bent to match the unevenness of the edge of the mold, and a coil spring or a rotating ring rotatably inserted into the axis. Molding molds for interior materials, etc., which are characterized by: