JPH08197606A - Window molding for automobile and manufacture thereof - Google Patents

Abstract

PURPOSE: To obtain excellent drainage and lower the manufacturing cost. CONSTITUTION: A lip 3 at a top side and a lateral side of a molding body 1a corresponding to a top edge and a lateral edge of a rear window panel 7 is formed as a first lip 3a for forming a drip section 4 between the lip and a body panel. A lip 3 at the bottom side of the molding body 1a corresponding to the bottom edge of the rear window panel 7 is formed as a second lip 3b extending downwardly along the face of the body panel. The first lip 3a and the second lip 3b are molded by extrusion molding by using a shielding plate. Thereafter, the first lip 3a and the second lip 3b are molded continuously by reforming them.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an automobile wind molding mounted between the peripheral edge of a rear window panel of an automobile and the peripheral edge of a vehicle body opening.

[0002]

As shown in FIG. 18, a rear window panel 7 is attached to a rear portion of a vehicle body. A window molding 31 shown in FIG. 19 is provided between the rear window panel 7 and a peripheral edge of an opening portion of the vehicle body panel 9. Some are equipped with.

19 and 20, reference numeral 7 denotes a rear window panel, and the rear window panel 7 is adhesively fixed to the peripheral edge of the opening of the vehicle body 9. Wind molding 3 attached to the periphery of the rear wind panel 7
Reference numeral 1 denotes a rising wall 9 of a vehicle body panel 9 on an upper side part and a side part corresponding to an upper edge and a side edge of the rear wind panel 7, respectively.
The drip portion 34 is closely attached to a and is connected to the vehicle body panel 9.
A lip 33 that forms the lower end of the wind molding 31 is provided from the lower side of the rear wind panel 7, and a cover portion 35 that extends downward and closes the terminal to the vehicle body panel 9 is provided at the lower side portion corresponding to the lower edge of the rear wind panel 7. Is provided from the upper side of the wind molding 31 (this structure is disclosed in JP-A-5-185836).
It is shown in the publication. )

[0004]

In the conventional window molding 31, the water guided to the drip portion 34 is guided rearward, and the water on the surface of the rear window panel 7 is guided along the cover portion 35. Both are advantageous in that they are drained to the outside of the vehicle from the drip portion around the opening of the trunk lid (not shown), but the lip 33 and the cover portion 35 are provided on the lower side and the upper side of the wind molding 31, respectively. In the space between the cover portion 35 and the vehicle body panel 9,
When water from the drip portion 34 enters, there is a problem that the drainage is poor because the end of the cover portion 35 is in close contact with the vehicle body panel 9.

Further, since the lip 33 and the cover portion 35 are provided on the lower side and the upper side of the wind molding 31, respectively, if the whole of the wind molding 31 is to be integrally molded, it must be molded. Absent. Therefore, there is a problem that the manufacturing cost increases.

[0006] Therefore, the present invention provides an automobile wind molding having excellent drainage property and capable of reducing the manufacturing cost, and a manufacturing method thereof.

[0007]

According to a first aspect of the present invention, a molding body is formed in a U-shaped cross section, and a panel holding portion for holding a rear window panel is provided. In a windshield for an automobile, which is provided with a formed lip and is mounted between a peripheral edge of the rear window panel and a peripheral edge of a vehicle body opening, a molding of a molding main body corresponding to an upper edge and a side edge of the rear window panel. The upper and side lips are configured as a first lip that forms a drip portion with the vehicle body panel, and the lower lip of the molding body corresponding to the lower edge of the rear window panel is along the vehicle body panel surface. The second lip extends downward, and the first lip and the second lip are continuously formed.

According to a second aspect of the present invention, an engaging portion that engages with an engaging portion provided on the vehicle body side is provided on the lower surface of the lower side portion of the molding body.

According to a third aspect of the present invention, there is provided a method of manufacturing an automobile wind molding, wherein a first lip of the molding body and a second lip longer than the first lip are continuously extrusion-molded. In the upper side portion and the side side portion of the molding body, the lip forming opening of the die is moved in the direction of contraction by the shielding plate to extrude the first lip together with the panel holding portion, and in the lower side portion of the molding body, , The shielding plate is moved in the direction of enlarging the lip forming opening to extrude the second lip together with the panel sandwiching portion, and after extrusion, the first lip is bent horizontally or upward, and the second lip is downward. It has a process of making it vulnerable.

[0010]

According to the first aspect of the present invention, the second lip can be manufactured without molding, and water guided backward by the drip portion can be prevented from entering between the second lip and the vehicle body panel. Allows drainage from the top surface.

According to the invention described in claim 2, in addition to the operation of the invention described in claim 1, the molding prevents the molding of the molding body from sliding down due to the weight of the rear window panel.

According to the third aspect of the present invention, the lip portion is formed into an optimum cross-sectional shape by fitting it with the shielding plate,
It enables the wind molding to be integrally formed by extrusion over the entire circumference of the rear window panel.

[0013]

[Embodiment] Next, an embodiment of the wind mall of the present invention is shown in FIG.
8 will be referred to and the description will be made with reference to the drawings.

As shown in FIG. 18, a window molding 1 for an automobile is provided around the rear window panel 7 at the rear of the vehicle body.
Is installed. As shown partially in FIG. 1, the window molding 1 is integrally formed by extrusion molding over the entire circumference of the rear window panel 7.

The mall body 1a of the window molding 1
As shown in FIGS. 2 and 3, a panel holding portion 2 that holds the rear window panel 7 and is formed in a substantially U-shaped cross section,
The vehicle body panel 9 is formed in the opposite direction to the panel holding portion 2.
And a lip 3 extending from the side.

As shown in FIG. 2, the lip 3 has a rising wall 9a of the vehicle body panel 9 at the upper and side portions of the molding body 1a corresponding to the upper and side edges of the rear window panel 7, respectively. It is configured as a first lip 3a that forms a drip portion 4 between the first lip 3a and the. Further, as shown in FIG. 3, at the lower side of the molding body 1a corresponding to the lower edge of the rear window panel 7, the lip 3 is longer than the first lip 3a in the downward direction along the surface of the vehicle body panel 9. It is configured as an extended second lip 3b. Specifically, the second lip 3b has a length about twice that of the first lip 3a, and the thickness thereof is also about twice.

The first lip 3a and the second lip 3b are continuously formed.

According to the configuration of the above embodiment, the first lip 3a
The water collected in the drip section 4 of the vehicle is guided rearward, and the water on the surface of the rear window panel 7 is guided along the second lip 3b. To be done. Here, since the first lip 3a and the second lip 3b are continuously formed, the water guided by the drip portion 4 of the first lip 3a reaches the second lip 3b, and thus the second lip 3b. It is possible to improve drainage without getting in between the vehicle body panel 9 and the vehicle body panel 9.

Further, FIG. 4 shows an embodiment in which a step portion 5a is provided at the opening of the trunk 5 of the vehicle body panel 9. As described above, when the wind molding 1 is mounted on the vehicle body panel 9 having the step portion 5a, the vertical wall 3 formed by heat pressing or the like at a portion corresponding to the step portion 5a.
By providing c, the lip 3 of the wind molding 1 can be matched to the shape of the vehicle body and the appearance quality can be improved.

Next, a second embodiment of the window mall according to the present invention will be described with reference to FIG. In this embodiment, an engaging portion 6 having a substantially triangular cross section is provided on the lower surface between the panel holding portion 2 and the second lip 3b of the molding body 1a in the first embodiment. Recessed portion 10 of fastener 10 as a locking portion adhered to double-sided tape, etc.
It is engaged with a.

According to this embodiment, since the rear window panel 7 can be reliably supported against the downward load applied by the rear window panel 7, the rear window panel 7 is prevented from slipping down and mounted. The reliability can be increased.

Next, a third embodiment of the window mall according to the present invention will be described with reference to FIG. This embodiment is a lower portion of the panel holding portion 2 of the molding body 1a in the first embodiment, and is provided with an engaging portion 6a extending obliquely downward from the lower surface of the tip of the lower portion. Is. Corresponding to the engaging portion 6a, the vehicle body panel 9 is provided with a panel embossing 10b as a locking portion by press molding, and the engaging portion 6a is engaged with the panel embossing 10b.

According to this embodiment, the rear window panel 7 can be prevented from slipping down and the mounting reliability can be improved with a smaller number of parts.

Next, a first embodiment of a method for manufacturing a wind molding according to the present invention will be described with reference to the drawings.

As shown in FIG. 7, the wire H supplied from the carry-in side is conveyed to the next stage process while the passage length thereof is being measured by the first detection device 11, and the extrusion molding device 16 of the next stage process. And is extruded together with the material A.

As shown in FIG. 8, the extrusion molding apparatus 16 is provided with a mouthpiece 13, and an opening 12 is formed at substantially the center of the mouthpiece 13. The opening 12 is formed with a panel holding portion forming opening 12b having a U-shaped cross section, and a lip forming opening 12a which is opposite to the panel holding portion forming opening 12b and extends downward. .

A shield plate 14 is provided on the outlet side of the base 13. The shield plate 14 is rotatably supported by a pin 14c, and an arm 14d pivotally supported at the base end is pulled by a driving device 15 shown in FIG. 7 to move the shield plate 14 in the direction of an arrow around the pin 14c. It is designed to rotate. When the lip forming opening 12a of the opening 12 is reduced by the rotation of the shielding plate 14 (at the position of the chain line), the lip 3 is formed as the first lip 3a, and the lip forming opening 12a of the opening 12 is enlarged. In that case (the position indicated by the solid line), the lip 3 is formed as the second lip 3b.

As described above, the movement of the shielding plate 14 causes the first
The lip 3a and the second lip 3b are molded, and the drive timing of the shield plate 14 is determined by the first controller 20 based on the output signal of the first detector 11 described above.

That is, when the first detection device 11 detects that the lip 3 is the first lip 3a and is extrusion-molded for a certain length, the control in response to the output signal of the detection device 11 is performed. The device 20 rotates the shield plate 14 by the drive device 15 of the extrusion molding device 16 to move it in the direction in which the lip forming opening 12a of the die 13 is enlarged, and thereafter, the lip portion 3 becomes the second lip 3b. The product is extruded. Thus, the first lip 3a having a length corresponding to the upper edge and the side edge of the rear window panel 7 is formed.
And a second length corresponding to the lower edge of the rear window panel 7
A molded product having the lip 3b is extrusion-molded and conveyed to the next-stage curling device 19.

As shown in FIG. 7, the squeezing device 19 is a jig 17 for pressing the lips 3 of a molded product whose shape is not stable immediately after extrusion to make a squeak, and a driving device for driving the jig 17. Have eighteen. Jig 17
As shown in FIG. 9, the lip 3, especially the first lip 3a
Has an arcuate portion 17a that squeezes into a raised shape. With respect to the second lip 3b, the jig 17 is released so that the second lip 3b extends obliquely downward by its own weight.

As in the case of the shielding plate 14 described above, the operation timing of the jig 17 of the flattening device 19 also controls the drive device 18 via the control device 20 based on the detection signal of the first detection device 11. Done by.

The molded product, which has been finished with the habit, is pulled by the winding device 25 to pass through the cooling tank 24 and the cutting machine 2.
Sent to 3. Then, the passage length is measured by the second detection device 21 arranged in the subsequent stage of the winding machine 25, and the cutting machine 23 is driven at a predetermined timing via the second control device 22 based on this output signal. Thus, the wind molding 1 having a predetermined length can be obtained.

According to this embodiment, the lip 3 of the molding body 1a is composed of a first thin lip 3a having a short length and a thin upward facing surface.
The second lip 3b, which is long and thick and extends obliquely downward, can be continuously extruded. Therefore, the wind molding 1 can be integrally molded by extrusion over the entire circumference of the rear window panel 7, and mold molding is not required, so that the manufacturing cost can be significantly reduced.

Next, a second embodiment of the method for manufacturing a wind molding according to the present invention will be described with reference to FIGS. It should be noted that the same reference numerals are given to the same portions as those of the above-described embodiments for description. In this embodiment, the first lip 3 of the molding body 1a
a and the second lip 3b are extruded substantially horizontally, and the lip forming opening 12a of the opening 12 of the mouthpiece 13 is formed horizontally as shown in FIG. The molding body 1a of this embodiment has a lip 3 as shown in FIG.
The position of the base portion of is different from that of the molding body 1a and is located slightly above (in FIG. 12).

As shown in FIG. 10, the shield plate 14 is pin-supported at the tip of an arm 14d linked to a drive device (not shown), and the shield plate 14 moves back and forth on the mouthpiece 13 to make the size of the lip forming opening 12a larger. It changes the size. The shield plate 14 is advanced to move the lip forming opening 12a.
Is reduced (the position indicated by the solid line), the lip 3 is formed as the first lip 3a, and the shielding plate 14 is retracted to open the opening 1
When the second lip forming opening 12a is enlarged (position indicated by the broken line), the lip 3 is formed as the second lip 3b.

Further, FIG. 11 shows the habitual condition in the habitualizing process. In this embodiment, a fixed type habituating jig 17 is used. This jig 17
Includes a pressing portion 17b that presses the upper surface of the first lip 3a and a guide portion 17c that positively guides the second lip 3b that is pushed out in the horizontal direction in an obliquely downward direction.

Therefore, according to this embodiment, since the driving device for the jig 17 is unnecessary, the manufacturing cost can be further reduced. Further, in the wind molding 1 manufactured according to this embodiment, the first lip 3a extends in the horizontal direction as shown in FIG. 12, so that the sealing reaction force is correspondingly increased and there is an advantage that the sealing performance can be further improved.

Next, a third embodiment of the method for manufacturing a wind molding according to the present invention will be described. This embodiment is shown in FIG.
Except for the mouthpiece 13 shown in FIG. 7, it is the same as the embodiment shown in FIGS. 7 to 9 described above, so only the mouthpiece 13 will be described.
FIG. 13 shows a die 13 for extrusion-molding the molding body 1a having the engaging portion 6 shown in FIG. That is, in the opening 12 of the mouthpiece 13, an engaging portion forming recess 12c is formed in a portion corresponding to the engaging portion 6. In addition, shield plate 1
4 is formed with a recess 14a which is aligned with the engaging portion forming recess 12c at the position where the second lip 3b is formed.

Therefore, when the shield plate 14 is in the position where the second lip 3b is formed, the engaging portion 6 is formed in the molding body 1a, and when the shield plate 14 is in the position where the first lip 3a is formed, the engagement is performed. Since the mating portion forming concave portion 12c is shielded, the engaging portion 6 is not formed.

Therefore, the wind molding 1 having the engaging portion 6 can be manufactured by the manufacturing method using the mouthpiece 13 having a simple structure without increasing the number of parts.

Next, a fourth embodiment of the method for manufacturing a wind molding according to the present invention will be described. This embodiment is shown in FIG.
Except for the mouthpiece 13 shown in FIGS. 4 and 15, it is the same as the embodiment shown in FIGS. 14 and 15 show a mouthpiece 13 for extruding the molding body 1a having the engaging portion 6a shown in FIG. That is, the engaging portion 6 is provided in the opening 12 of the base 13.
An engagement portion forming opening 12d is formed in a portion corresponding to a. Further, the shield plate 14 is provided with a second shield plate 14b which is interlocked with the shield plate 14. The second shielding plate 14b opens the engaging portion forming opening 12d at the position where the second lip 3b is formed, and closes the engaging portion forming opening 12d at the position where the first lip 3a is formed. It is a thing.

Therefore, as shown in FIG. 15, when the shielding plate 14 is at the position where the second lip 3b is formed, the second shielding plate 14b retracts to open the engaging portion forming opening 12d, and thus the molding body 1a. The engaging portion 6a is formed at.
In addition, as shown in FIG. 14, the shield plate 14 has the first lip 3a.
The second shield plate 14b moves forward to block the engaging portion forming opening 12d when the position is formed, so that the engaging portion 6a is not formed.

The manufacturing method using the second shielding plate 14b as shown in FIGS. 16 and 17 can be combined with the manufacturing method shown in FIGS. 10 and 11, and by using such a manufacturing method. It is possible to manufacture the wind molding 1 including the horizontally pushed lip 3 shown in FIG. 12 and the engaging portion 6a extending obliquely downward as shown in FIG.

[0044]

According to the first aspect of the present invention, it is possible to manufacture without using molding, and to prevent water guided rearward by the drip portion from entering between the second lip and the vehicle body panel. The drainage can be improved because the water is drained from the upper surface of the lip.

According to the invention described in claim 2, in addition to the effect of the invention described in claim 1, the rear window panel can be surely supported by facing the downward load acting by the rear window panel, and the rear window panel can be surely supported. The panel mounting reliability can be increased.

Further, in the case where an engaging portion inclined downward from the lower surface of the lower end of the panel holding portion of the molding body is provided, the deformation of the molding body is limited by the rear window panel. The deformation of the molding body can be minimized.

According to the third aspect of the present invention, it is possible to form the lip portion into an optimal cross-sectional shape by fitting the shielding plate, and to integrally form the wind molding over the entire circumference of the rear window panel by extrusion. The cost can be reduced.

[Brief description of drawings]

FIG. 1 is a perspective view showing a first embodiment of a wind molding according to the present invention.

FIG. 2 is a cross-sectional view of an upper side portion and a side portion of FIG.

FIG. 3 is a cross-sectional view of the lower side portion of FIG.

FIG. 4 is a perspective view showing another embodiment of the wind molding.

FIG. 5 is a perspective view showing a second embodiment of the wind molding according to the present invention.

FIG. 6 is a perspective view showing a third embodiment of the wind molding according to the present invention.

FIG. 7 is a first method of manufacturing a wind molding according to the present invention.
Process explanatory drawing which shows an Example.

8 is an explanatory view of a main part of the extrusion molding apparatus of FIG.

FIG. 9 is an explanatory view of a main part of the curse device of FIG. 7.

FIG. 10 is an explanatory view of a main part showing a second embodiment of the method for manufacturing a wind molding according to the present invention.

FIG. 11 is an explanatory view showing a habit-setting state in a habit-setting step in the second embodiment of FIG.

FIG. 12 is a cross-sectional view of the upper side portion and the side side portion of the window molding in the second embodiment of FIG.

FIG. 13 is an explanatory view of the essential parts showing the third embodiment of the method for manufacturing a wind molding according to the present invention.

FIG. 14 is an explanatory view of the essential parts showing the fourth embodiment of the method for manufacturing a wind molding according to the present invention.

FIG. 15 is an explanatory view of a main part in which the operating position is changed.

FIG. 16 is an explanatory view of the essential parts showing another embodiment of the method for manufacturing a wind molding according to the present invention.

FIG. 17 is an explanatory view of a main part where the operating position is changed.

FIG. 18 is a rear perspective view of a conventional vehicle.

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

FIG. 20 is a partial perspective view of the related art.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 ... Wind molding 1a ... Mold main body 2 ... Panel holding part 3 ... Lip 3a ... 1st lip 3b ... 2nd lip 4 ... Drip part 6, 6a ... Engagement part 7 ... Rear window panel 9 ... Body panel 10a ... Recessed part 12a ... Lip forming opening 13 ... Base 14 ... Shielding plate.

Claims (3)

[Claims] 1. A rear main body of the rear window panel, comprising: a molding body having a U-shaped cross section; and a panel holding portion for holding a rear window panel, and a lip formed in a direction opposite to the panel holding portion. In an automobile wind molding that is mounted between a peripheral edge and a peripheral edge of a vehicle body opening, upper and side lip portions of the molding body corresponding to the upper edge and the side edge of the rear window panel have a body panel. It is configured as a first lip that forms a drip portion therebetween, and a lip of a lower side portion of the molding body that corresponds to a lower edge of the rear window panel is configured as a second lip that extends downward along a vehicle body panel surface. , These first lip and second
An automobile wind molding characterized by continuous molding of the lip. 2. The automobile window according to claim 1, wherein an engaging portion that engages with a locking portion provided on a vehicle body side is provided on a lower surface of a lower side portion of the molding body. the mall. 3. The first lip of the molding body and the first lip
A method for manufacturing an automobile window molding, which comprises extruding a second lip longer than a lip in a continuous state,
In the upper side portion and the side side portion of the molding body, the lip forming opening of the die is moved in the direction of contraction by the shielding plate to extrude the first lip together with the panel holding portion, and in the lower side portion of the molding body, , The shielding plate is moved in the direction of enlarging the lip forming opening to extrude the second lip together with the panel sandwiching portion, and after extrusion, the first lip is bent horizontally or upward, and the second lip is downward. The method of manufacturing an automobile wind molding according to claim 1, further comprising a step of making the vehicle hard.