JPH05201247A - Molding and manufacture thereof - Google Patents

Abstract

PURPOSE:To provide a molding which is capable of efficiently collecting and discharging rainwater, capable of being integrally formed with a protector without losing its decorativeness, and of being easily manufactured, and its manufacturing method. CONSTITUTION:A protector 121 and a water guide 122 provided on a outside piece 113 of a core iron are provided along the longitudinal direction of the core iron 11. The outside piece 113 is in a horizontal position, and the protector 121 and the water guide 122 are integrally extruded with the core iron. The spacing between the protector and the water guide is gradually changed along the longitudinal direction of the core iron 11 to form a side groove between them. Rainwater on a widow glass 94 is collected in and discharged from the side groove during travel of an automobile.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a vehicle molding, and more particularly to a molding in which the distance between a protector and a water guide changes along the longitudinal direction and a method for manufacturing the same.

[0002]

2. Description of the Related Art Generally, an automobile is equipped with moldings such as a window molding 91 and a door outer molding 92 as shown in FIG.
The wind molding 91 is mounted along the boundary between the pillar 93 and the wind glass 94. Further, the door outer molding 92 includes a door 95 and a door glass 9.
Wear along the boundary with 6. These moldings are composed of a core metal and a resin portion as described later. And
The molding is provided with a protector along the longitudinal direction of the cored bar (for example, Japanese Utility Model Publication No. 61-3153).
1 gazette, Jpn.

That is, as illustrated in FIG. 17, a conventional molding 97 has a cored bar 98 and a protector 99 made of synthetic resin provided along the longitudinal direction of the cored bar 98.
The core metal 98 has a mounting portion 981 and an outer piece 983.
And a ceiling portion 982 connecting the both. Further, the core metal 98 has a lip 993 on the mounting portion 981 and an outer piece 9
A water guide 992 is provided above 83. In this molding, the outer pieces 983 have the same height. That is, the cross-sectional shape of the molding 97 is the same at any position in the longitudinal direction.

Further, as shown in the same figure, the protector 99 has a function of contacting the window glass 94 when it is mounted on the pillar 93 of the vehicle body and sealing the rainwater on the window glass 94 from entering the vehicle compartment. Have. In the figure, 945 is a seal rubber disposed between the pillar 93 and the window glass 94. In manufacturing the molding 97, a cored bar 98 having a substantially U-shaped cross section is used, and the protector 99, the lip 993 and the water guide 992 are integrally formed on the cored bar 98 by an extrusion insert molding method. Molded.

By the way, in recent years, from the viewpoints of improving the rainwater excluding property and the design property of the window glass 94,
As shown in FIGS. 18 to 21, the height of the outer piece 983 is
A molding 970 which is changed along the length direction of the molding is used. That is, as shown in FIGS. 19 to 21, the cross-sectional shape of the molding 970 is changed along the longitudinal direction of the molding. Therefore, the height of the outer piece 983 of the cored bar 98 is also changed.

In manufacturing the molding 970, a cored bar 98 having a substantially U-shaped cross section is prepared. First, the water guide 992 and the lip 99 are attached to the cored bar 98.
3 is integrally molded by the extrusion insert method. afterwards,
By cutting off a part (lower side) of the outer piece 983 of the core metal,
Processing is performed so that the height of the outer piece 983 is gradually reduced. After that, a protector 991, which is separately manufactured, is joined with an adhesive along the lower end of the outer piece 983.

[0007]

However, in the conventional molding and the manufacturing method thereof, it is necessary to separately manufacture and join the protector 99, resulting in a large number of steps and an increase in manufacturing cost. In addition, when the protector is joined, misalignment in the longitudinal direction, protrusion of the adhesive, and the like occur, impairing the design as a molding. Further, as another means, there is a method in which the core metal 98 having a changed cross-sectional shape is arranged in an injection molding die, and a protector, a lip and a water guide are integrally molded by injection molding to manufacture a molding. Conceivable.

However, in this method, in the case of manufacturing a long molding, the injection mold becomes large, and a great deal of cost is required. In addition, burrs are generated between the molding and the protector, which impairs the designability of the molding. The present invention has been made in view of the above conventional problems.
An object of the present invention is to provide a molding which can collect and remove rainwater efficiently without impairing its designability, can integrally form a protector, and is easy to manufacture, and a manufacturing method thereof.

[0009]

According to the present invention, a cored bar having a mounting portion and an outer side piece, a protector provided on the outer sided piece along the longitudinal direction of the cored bar, and an upper part of the cored bar above the protector. And a water guide, wherein the outer piece has the same height along the longitudinal direction of the core metal, and the protector and the water guide are extruded integrally with the outer piece of the core metal. The molding is characterized in that it is formed and the mutual distance between the protector and the water guide gradually changes along the longitudinal direction of the cored bar.

Most notable in the present invention is that the outer piece is at the same height along the longitudinal direction of the core metal, and the protector and the water guide are integrally extruded on the outer piece of the core metal, and The mutual distance between the protector and the water guide is that it gradually changes along the longitudinal direction of the cored bar. In the molding of the present invention, the protector and the water guide are integrally extruded along the outer side piece of the cored bar, firmly and integrally. Materials for the protector, water guide, and lip include vinyl chloride resin, ionomer resin, and synthetic rubber.

The core metal may be a steel plate, a stainless steel plate, an aluminum plate, or the like. The water guide is extruded along the longitudinal direction at the upper part of the cored bar, and the protector is extruded simultaneously with the water guide to the cored bar under the water guide so that the mutual interval between the two gradually changes. It is molded. Also, the above molding is
The protector and the water guide are arranged on the left and right sides of the windshield with the larger distance between them being the lower side.

As a method of manufacturing the molding,
A method for manufacturing a molding, in which a protector is arranged on an outer piece of a cored bar, and a water guide is provided above the protector on an upper part of the cored bar. Extrusion including a step of forming a core metal having a constant cross-sectional shape by molding, a main die having an extrusion port for molding a water guide and the like, and a protector molding sub-die movable along one side of the extrusion port. While moving the sub-die using a molding die, while changing the molding position of the protector along the longitudinal direction of the core metal with respect to the outer wall surface of the outer piece of the core metal, the water guide and the protector are integrated. And a step of cutting the extruded molding material into a predetermined length.

What is most noticeable here is that a cored bar having a constant cross-sectional shape is prepared in advance, and a protector and a water guide are integrally extrusion-molded to an outer piece of the cored bar using an extrusion molding die. At the same time, the water guide is formed on the upper part of the core metal, while the protector gradually changes its height position with respect to the core metal to change the mutual distance between the water guide and the protector. It is in.

In carrying out the above-mentioned extrusion molding,
A main die having an extrusion port for molding water guides,
It is to use an extrusion molding die having a protector molding sub-die movable along one side of the extrusion port. The mouthpiece of the main die has an opening shape including a core metal shape and a shape such as a lip and a water guide for molding the core metal on the outside. The sub-die has a protector-forming base so as to be located outside the outer piece of the cored bar. By moving the position of the protector forming die, the protector forming position is changed as described above (see FIG. 8).

As a result, a molding according to the present invention is obtained in which the above-mentioned lip, water guide, protector and the like are integrally extrusion-molded with respect to the core metal. That is, in detail, in manufacturing the molding according to the present invention, first, a metal thin plate having a constant width is continuously formed,
A cored bar having a constant sectional shape is formed. Next, the protector is integrally extruded with respect to the outer piece of the core metal by using an extrusion die. In this case, an extrusion mold having a main die and a protector molding sub-die movable along one side of the extrusion port is used.

While moving the sub die, the protector is integrally extruded while changing the position of the protector along the longitudinal direction of the outer piece of the cored bar. Then, the extruded molding material is cut into a predetermined length. Further, in the extrusion molding, it is preferable that an adhesive such as acrylic resin or phenol resin is applied in advance to a portion of the outer surface of the core metal where the protector or the like is integrally molded.

[0017]

FUNCTION AND EFFECT The molding according to the present invention has a rainwater sealing function by the protector. Further, since the protector has a water guide at the upper part, a lateral groove is formed between the two. Therefore, when the moldings are arranged on both sides of the windshield at the front of the automobile, water such as rainwater on the windshield is efficiently collected and removed in the lateral groove.

That is, water such as rainwater flowing laterally on the windshield while the vehicle is running flows toward the moldings on both sides and is collected in the lateral grooves. Then, the collected water moves upward along the lateral groove toward the roof above the automobile during high-speed traveling, and is discharged downward during low-speed traveling.

Therefore, the water of the windshield does not flow over the pillars and fall on the door. Therefore, it is possible to efficiently collect and remove water on the windshield.
Moreover, since the protector and the water guide are integrally formed by extrusion molding in the molding, the protector and the water guide are strongly bonded to the core metal and are excellent in design.

Further, according to the above-mentioned manufacturing method, the protector can be integrally molded by gradually changing the height position of the protector with respect to the outer piece of the cored bar, thus facilitating the excellent molding as described above. It can be manufactured. Therefore, according to the present invention, water such as rainwater can be efficiently collected and removed without impairing the design, and the protector and the water guide can be integrally formed and the molding is easy to manufacture. And a method for manufacturing the same.

[0021]

【Example】

Example 1 A molding according to an example of the present invention and a manufacturing method thereof will be described with reference to FIGS. This example is applied to a molding as a wind molding (see FIG. 16). As shown in FIGS. 1 to 3, the molding 100 of this example includes a core metal 11 having a mounting portion 111 and an outer piece 113, and a protector 12 provided on the outer piece 113 along the longitudinal direction of the core metal 11.
1 and the core bar 11 above the protector 121.
And a water guide 122 provided on the upper part of the.

The outer piece 113 has the same height along the longitudinal direction of the cored bar 11, and the protector 121 is also provided.
The water guide 122 is integrally extruded from the outer piece 113 of the cored bar 11. In addition, the protector 12
1 and the water guide 122 are gradually changed along the longitudinal direction of the cored bar 11. That is, as shown in FIGS. 1 to 3, the height from the lower end of the protector 121 to the upper end of the water guide 122 gradually decreases from the front side to the rear side in FIG. 1 from the height H2 to H1.

Further, for that reason, the lower end surface 1 of the outer piece 113 is
The height from 145 to the protector 121 increases toward the rear. These states are shown in the sectional views of FIGS. The core metal 11 has a ceiling part 112 having a constant width and an outer piece 113 having the same height H5 from the lower end surface 1145 to the upper end over the entire length, and has a cross-sectional shape along the longitudinal direction. It is constant. Also,
A guide portion 115 for forming a water guide 122, which will be described later, is bent and formed on the upper portion of the outer piece 113 so as to project laterally.

The protector 121 is formed on the resin portion 12 along the longitudinal direction of the cored bar 11. That is, the molding 100 is composed of a core metal 11 and a resin part 12 integrally extruded on the surface of the mounting part 111 of the core metal 11 and the outer piece 113 via an adhesive 117. The lip 123 is attached to the resin portion 12 provided on the mounting portion 11.
Is formed so as to project. As shown in FIG. 2, the lip 123 is for providing a seal with the pillar 93.

Further, the protector 121 and the water guide 122 are formed so as to project at the lower portion and the upper portion of the resin portion 12 provided on the outer piece 113. The protector 121
Is to prevent the direct contact of the core metal 11 with the window glass 94 while providing a seal with the window glass 94. As shown in FIG. 8, the extrusion molding die 2 for extrusion molding the resin portion 12 has a main die 21 and a protector molding sub die 22. The main die 21 and the sub die 22 are provided with extrusion ports 210 and 220, respectively, and the sub die 22 is the extrusion port 210 corresponding to the outer piece 113.
It is possible to move along one side.

The inner surface of the extrusion port 210 has the same shape as that of the mounting portion 111 of the core metal 11, the ceiling portion 112, and the outer piece 113, and the outer surface thereof is the water guide 122 of the resin 12. It has the same shape as the lip 123 and the like. In addition,
A space is formed between the extrusion port 210 and the ceiling 112. That is, inside the main die 21, the extrusion port 21
It has a concave portion 211 communicating with one side of 0. The recess 211
Is formed longer than the sub die 22 by the amount of movement of the sub die 22. The amount of movement H3 is determined by the height change (H2-H1) of the protector 121.

A sub die 22 is movably inserted in the recess 211, and a dice guide 23 is interposed between the main die 21 and the sub die 22 along the moving direction of the sub die 22. It is set up. Further, a feed rod 221 is provided at the base of the sub die 22 in parallel with the moving direction of the sub die 22, and the feed rod 221 is connected to the conversion device 24. A shaft 251 of a drive motor 25 is connected to the converter 24,
The conversion device 24 converts the rotational movement of the shaft 251 into the forward / backward movement of the feed rod 221. In this case, there is a conversion mechanism using a ball screw, for example.

Next, a method of manufacturing the molding 100 will be described with reference to FIG. First, a protective film is partially attached to the surface of a thin metal plate having a certain width.
Next, in a roll forming step, the metal thin plate is continuously formed to form a cored bar 11 including a mounting portion 111, a ceiling portion 112, and an outer piece 113, as shown in FIG. At this time, the core metal 11 has a constant cross-sectional shape. The protective film on the ceiling 112 is peeled off after the core metal is continuously formed.

After that, an adhesive 117 (FIG. 1) is preliminarily attached to the portion of the core metal 11 where the resin portion 12 is to be extrusion molded.
Have been applied. That is, the adhesive 117 is applied to the mounting portion 111 and the outer piece 113. Next, the resin part 12 is integrally extrusion-molded with respect to the cored bar 11 using the extrusion-molding die 2 shown in FIG.

At the time of this extrusion molding, the core metal 11 is fed into the main die 21 shown in FIG. The main dice 2
The cored bar 11 fed into the unit 1 comes out from the extrusion ports 210 and 220 in a state where the resin portion 12 is integrally extruded on the surfaces of the mounting portion 111 and the outer piece 113. As a result, as shown in FIG. 1, a lip 123 is formed on the resin portion 12 in the mounting portion 111 of the cored bar 11. Also,
In the outer piece 113 of the cored bar 11, a protector 121 is formed on the resin portion 12. In the guide portion 115 of the outer piece 113, the water guide 122 is attached to the resin portion 12.
Is formed.

During the extrusion molding, the drive motor 2
When 5 is actuated, the rotational movement of the shaft 251 is transmitted to the converter 24. In the conversion device 24, the rotational movement of the shaft 251 is converted into the forward / backward movement of the feed rod 221. Therefore, the sub-die 22 moves along the die guide 23 due to the forward / backward movement of the feed rod 221. As a result, the protector molding extrusion port 220 of the sub die 22 moves along one side of the extrusion port 210 of the main die 21.

Therefore, by moving the sub-die 22, the protector 121 is integrally formed with the outer piece 113 of the core bar 11 while changing the forming position of the protector 121 along the longitudinal direction of the core bar 11. It can be extruded. After that, using a cutting device (not shown),
The extruded molding material is cut into a predetermined length.

Molding 1 thus obtained
00 is mounted along the boundary between the pillar 93 of the vehicle and the windshield 94 at the front of the vehicle, as shown in FIGS. The lip 123 of the molding 100 elastically abuts on the pillar 93 and exhibits a sealing function. Further, the protector 121 elastically abuts the window glass 94 to exert a sealing function. In addition, protector 1
The lateral grooves formed between the water glass 21 and the water guide 122 are open on both sides of the wind glass 94 toward the wind glass 94.

Further, the molding 100 is arranged so that the mutual distance between the protector 121 and the water guide 122 becomes narrower as it goes upward (FIG. 1). Therefore, while the vehicle is traveling, the water on the windshield 94 is efficiently collected in the lateral groove, and guided by the lateral groove to be efficiently discharged upward or downward. for that reason,
The water on the windshield 94 does not flow over the pillars 93 and fall on the door. In the figure, reference numeral 945
Is a seal rubber, and 946 is a seal material.

Since the protector 121 and the like are integrally formed by extrusion molding in the molding 100 as described above, burrs unlike the conventional case do not occur.
Therefore, the molding 100 of this example is excellent in design. In addition, the resin portion 12 such as the protector 121
Are firmly joined to the core metal 11 by extrusion integral molding. Further, since the protector 121 can be easily formed along the longitudinal direction of the core metal 11 by extrusion molding, the manufacturing cost can be significantly reduced as compared with the conventional method.

Example 2 A molding and a method for manufacturing the same according to this example will be described with reference to FIGS. Molding 101 of this example
As shown in FIGS. 9 and 10, the core metal 11 and the core metal 1 are
1 has a protector 121 and a water guide 122 provided along the longitudinal direction. The cored bar 11 has a substantially Z shape, and has a ceiling part 112, an outer piece 113, and a mounting part 119. A resin portion 12 is formed on the surface of the cored bar 11.

And, what should be noted here is that
In the molding 101 of this example, as shown in FIGS. 9 to 15, the outer piece 113 has the same height over the entire length of the molding, and the protector 121 has the outer piece 1.
The outer walls of 13 are formed at different heights. That is, as shown in FIGS.
At that, the height H6 from the lower end 1146 to the upper end is
It's the same everywhere. However, the height from the protector 121 to the upper end of the outer piece 113 gradually decreases from the height H2 to H1 from the front side to the rear side (compare FIGS. 9 and 10).

Therefore, the lower end surface 1146 of the outer piece 113 is
The height from the protector 121 to the protector 121 increases from the front side (FIG. 9) of the molding to the rear side (FIG. 10) (FIG. 11). Also, the mounting portion 119
Are fixed to the pillar 93 with screws or the like (not shown). Then, the lower end surface 1146 of the mounting portion 119 and the protector 1
Since the height up to 21 changes as described above, the height of the pillar 93 gradually decreases from H22 to H11 from the front side (FIG. 9) to the rear side (FIG. 10) of the molding. Other structures are similar to those of the first embodiment.

Further, the molding 101 of the present example
Is manufactured by extrusion molding as in the manufacturing method of Example 1. That is, the molding 101 is formed on the surface of the core bar 11 by extrusion molding as in the first embodiment.
It is obtained by forming 21, the water guide 122, and the resin portion 12. Also in this example, the same effect as that of the first embodiment can be obtained.

[Brief description of drawings]

FIG. 1 is a perspective view showing a state in which a molding of Example 1 is attached to a windshield.

FIG. 2 is a sectional view taken along the line AA of FIG.

FIG. 3 is a side view of the molding according to the first embodiment.

FIG. 4 is a sectional view taken along the line BB of FIG.

5 is a cross-sectional view taken along line CC of FIG.

FIG. 6 is a sectional view taken along the line DD of FIG.

7 is a cross-sectional view taken along the line EE of FIG.

FIG. 8 is a front view of the extrusion molding die according to the first embodiment.

FIG. 9 is a perspective view showing a state in which the molding of Example 2 is attached to the windshield.

10 is a cross-sectional view taken along the line JJ of FIG.

FIG. 11 is a side view of the molding according to the second embodiment.

12 is a cross-sectional view taken along the line KK of FIG.

13 is a sectional view taken along the line LL in FIG.

14 is a cross-sectional view taken along the line MM of FIG.

15 is a sectional view taken along the line NN of FIG.

FIG. 16 is a perspective view of an automobile equipped with a molding.

FIG. 17 is a perspective view of a conventional molding.

FIG. 18 is a side view of a conventional molding.

19 is a cross-sectional view taken along the line XX of FIG.

20 is a cross-sectional view taken along the line YY of FIG.

21 is a cross-sectional view taken along the line ZZ of FIG.

[Explanation of symbols]

 100, 101. ． ． Molding, 11. ． ． Core metal, 111. ． ． Mounting part, 112. ． ． Ceiling, 113. ． ． Outer piece, 12. ． ． Resin part, 121. ． ． Protector, 123. ． ． Lip, 122. ． ． Water guide, 2. ． ． Extrusion mold, 21. ． ． Main dice, 210. ． ． Extrusion port, 22. ． ． Sub dice,

Claims (2)

[Claims] 1. A cored bar having a mounting portion and an outer piece, a protector provided on the outer piece along the longitudinal direction of the cored bar, and a water guide provided above the cored bar above the protector. The outer piece has the same height along the longitudinal direction of the cored bar, and the protector and the water guide are extruded integrally with the outer sided piece of the cored bar. Further, the mutual spacing between the protector and the water guide gradually changes along the longitudinal direction of the core metal. 2. A method of manufacturing a molding comprising a protector for an outer piece of a cored bar and a water guide provided on the cored bar above the protector, wherein the protector has a constant width. For continuously forming thin metal sheets of the above to form a cored bar having a constant cross-sectional shape, a main die having an extrusion port for molding a water guide, etc., and a protector movable along one side of the extrusion port. Using an extrusion molding die having a sub die, while moving the sub die, while changing the molding position of the protector along the longitudinal direction of the core metal with respect to the outer wall surface of the outer piece of the core metal,
A method of manufacturing a molding, comprising: a step of integrally extruding a water guide and a protector; and a step of cutting the extruded molding material into a predetermined length.