JPS6378732A - Mold for molding interior material - Google Patents

Abstract

PURPOSE:To obtain an interior material having excellent appearance without damaging various functions as the interior material, by a method wherein a rotary member is arranged on the end edge part of a mold in contact with the interior material and constituted of the axial core formed in a bent state in maching relation to the recessed and protruded parts of the mold and a coil spring or a rotary ring. CONSTITUTION:A rotary member 45 is arranged to the end edge part of a lower mold 32 on the side of the mold registering part 41 thereof and has an axial core 46 composed of a pipe formed along the end edge part in a state bent so as to follow the configuration of the recessed and protruded parts of the end edge part 42 of a protruded part 39 and the coil spring 47 inserted in the axial core 45 in a freely rotatable manner. The end part 11a of the raw sheet material 11 of a floor carpet is held to be moved to the side of the end edge part 42 of the lower mold 32 and the raw material sheet 11 is inserted in the recessed parts 34 of the lower mold 32 under pressure while contacting with the rotary member 45. That is, the coil spring 47 of the rotary member 45 or a rotary ring 51 rotates to markedly reduce the contact resistance generated by the contact of the raw sheet material with the end edge part of the mold and the damage of an interior material is prevented.

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.

(Prior Art) Conventionally, there have been methods and molds for press-molding interior materials such as vehicles, such as floor carpets, to correspond to the desired floor shape.This mold 1 is shown in FIGS. 7 and 8. As shown in the figures, it consists of a lower mold 2 and an upper mold 3, and the lower mold 2 has concave portions 4.4 formed on both sides, and a convex portion 5 formed in the center corresponding to the shape of the floor. and convex portions 6.6 on both sides of the upper die 3 that can fit into the concave portions 4.4.
A concave portion 7 into which the convex portion 5 of the lower mold 2 can fit is formed in the center. Further, mold matching portions 2a and 3a are formed between the lower mold 2 and the upper mold 3, respectively.

Then, the raw fabric 11 of the floor carpet is arranged between the lower mold 2 and the upper mold 3, and the end portion 11a of the raw fabric 11 of the floor carpet is placed so as to give an appropriate tension to the raw fabric 11 of the floor carpet. is held by a clamp 13, and in this held state, the lower mold 2 and the upper mold 3 are matched to form a floor carpet 12 having an uneven portion as an interior material. The raw material 11 of the floor carpet 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 a floor carpet 12 as an interior material using the conventional mold 1, the edge portion 2b of the lower mold 2 on the mold matching portion 2a side and the convex portion 6.6 of the upper mold 3 The original fabric 11 of the floor carpet is pressed between the outer edge 3b of the tip of There is a risk that the buffing material 15 on the back side of the carpet layer 11 may be damaged or scraped off, and the sound insulation and shape retention properties of the floor carpet 12 after molding will deteriorate, and the fibers of the carpet layer 14 on the front side may be damaged. It has the drawback of falling out or breaking, and is prone to various troubles, resulting in poor work efficiency, and furthermore, there is a risk that the cushioning properties and appearance may deteriorate.

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 comes into contact with the interior material, etc., and the rotating member has an axis that is bent in accordance with the unevenness of the edge of the mold, and an axis that is aligned with the axis of the mold. 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, it is possible to form a sharply shaped uneven part, and it is possible to mold an interior material etc. with an excellent appearance.

〔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.

1 and 2 schematically show an embodiment of a mold for interior materials, etc. according to the present invention, and this mold 31
consists of a lower mold 32 and an upper mold 33 that is fitted to the lower mold 32, and in this embodiment, as shown in FIG. 6, concave portions 34 and 34 are formed on both sides of the lower mold 32, 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 portion 34.3.
Convex portions 36, 36 that fit with 4 are formed on both sides, and a concave portion 37 is formed in the center.

Further, as for the interior material, in this embodiment, the case is shown in which it is applied to the floor carpet 12 of a vehicle etc. similarly to the prior art described above, but it is not limited to the floor carpet 12, and other interior materials, For example, it can be applied to a variety of 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 banking material 15 on the back side, and the backing material 15 is formed from a felt layer etc. formed by mixing thermoplastic resin etc. ing.

and an edge portion 42 of the lower mold 32 on the mold matching portion 41 side;
A rotating member 45 is disposed on one of the outer edge portions 43 of the tip of the convex portion 36 of the upper mold 33, in this embodiment, the edge portion 42 on the mold matching portion 41 side of the lower mold 32. There is. This rotary member 45 is connected to the lower die 3 that comes into contact with the floor carpet original fabric 11 in the initial stage when it is inserted into the concave portion 34 of the lower die 32 and the convex portion 36 of the upper die 33.
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 46 of the axis 46
a is fixed to brackets 48 fixed to both ends of the edge portion 42 of the lower mold 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 inserted bolt. Therefore, a curved or bent portion 46b is formed on the axis 46 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 rotary ring 51 can be made of metal, rubber, synthetic resin, and other various materials.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 rotating 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,
A ball 54 of the ball bearing 53 is rotatably supported by a bearing portion 55, and one side of the ball 54 is exposed at the edge portion of the end portion 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 lower mold 32 of the mold 31, and the gap necessary for the rotation of the coil spring 47 and the rotating ring 51. It is formed by providing Further, in this embodiment, a case has been described in which the rotating member 45 is provided on the edge portion 42 of the lower mold 32, but the rotation member 45 similar to that described above is provided on the outer edge portion 43 of the convex portion 36 of the upper mold 33. A member 45 may also be provided.

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. End portion 11a of the original fabric 11 of this floor carpet
is held by a movable clamp 57, and the original floor carpet 11 is held with an appropriate tension applied thereto.

At this time, the banking material 15 of the floor carpet original fabric 11
The side thereof is arranged so as to face the lower mold 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 is pulled toward the end edge 42 of the lower mold 32 and moves. The original floor carpet 11 is inserted into the concave portion 34 of the lower mold 32. At this time, the raw floor carpet 11 comes into contact with the rotating member 45 of the edge portion 42 of the lower mold 32, and is pressed 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 54 of the ball bearing 53 of the rotating member 45 rotates, or the ball 54 of the ball bearing 53 of the rotating member 45 rotates.
Rotate at.

In this embodiment, the rotating member 45 is equipped with a coil spring 471, a rotating ring 51, and a ball 5 so that it automatically rotates due to contact resistance with the original fabric 11 of the floor carpet.
However, in the case of the coil spring 47 and the rotating ring 51, they can be forcibly rotated in response to the lowering of the upper mold.

〔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 this 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 the drawing]

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 mold, 3
2... Lower mold, 33... Upper mold, 34.37... Concave portion, 35° 36... Convex portion, 41... Mold matching portion,
42.43... Edge portion, 45... Rotating member, 46...
... Axis center, 46b... Bent part, 47... Coil spring, 48... Bracket, 51... Rotating ring, 53... Ball bearing, 54... Ball, 5
5...Bearing part, 57...Movable clamp.

Claims (1)

[Claims] (1) An interior material, etc., comprising a lower mold and an upper mold, in which one of the lower mold and the upper mold has a concave part and the other has a convex part, and is disposed between the lower mold and the upper mold. In a mold that is configured to form appropriate uneven parts, the end of the mold that comes into contact with the interior material, etc. when the interior material, etc. is pressed by the convex part and inserted into the concave part of the mold. A rotating member is arranged at the edge,
An interior material, etc., characterized in that the rotating member consists of 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. mold.