JPH01269611A - Manufacture of window molding - Google Patents

Abstract

PURPOSE:To facilitate the insertion of a window plate by forming a plurality of supporting pieces which are extrusion-molded in separation so that a window plate insertion groove is formed therebetween and deforming the supporting piece so that the insertion groove is formed to equal plane. CONSTITUTION:In manufacture, a molding member having a molding body 4a which is inserted so as to cover the gap between a window plate 3 and a car body panel 5, lip 6 projecting so as to cover the window plate 3 from the body 4a, and a leg part 7 extending between the gap is extrusion-molded. Then, a water collecting groove 9 is formed between the lip 6 in a side part 8. The first supporting piece 12 contiguous to the lip 6 in an upper part 10 is formed, and the second supporting piece 13 which division-forms a window insertion groove 11 between the first supporting piece 12 is formed. Then, the molding member is deformed so that the window insertion groove 11 is formed to equal plane.

Description

DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention relates to a method of manufacturing a window molding to be attached to a front window of a vehicle.

[Conventional technology]

Figure 17 is a front view of the vehicle's front window;
The figure is a perspective view of a part of the conventional window molding shown in, for example, Japanese Utility Model Application Publication No. 63-4712. In figure 1, 1 is the vehicle body, 2 is the front window, 3 is the window plate, and 4 is the window molding. be.

The window molding 4 is the window plate 3
a molding body 4a attached to cover the gap S between the molding body 4a and the vehicle body panel 5; a lip 6 protruding from the molding body 4a so as to cover the outer periphery of the window plate 3; and a leg portion 7 extending from the molding body 4a to the gap S. A first support extends from the leg portion 7 toward the window plate 3 side and forms a water collection groove 9 in the side portion 8 and a window plate insertion groove 11 in the upper portion 10 between the leg portion 7 and the lip 6. A window plate insertion groove 11 is provided between the piece 12 and the first support piece 12 in the side portion 8, extending from the tip side of the leg portion 7 toward the window plate 3 side.
a, and has a second support piece 13 which is cut out in the upper part 10.

The first support piece 12 is cut out at a corner part 14 so as to insert the window plate 3, and the second support piece 13 and a part of the leg part 7 are cut out at the upper part 10.

The above window molding 4 is installed in the window plate insertion groove 11a in the side part 8 and in the upper part 1.
0, the window plate 3 is installed and used by being inserted into the window plate insertion groove 11, and the side part 8
Rainwater is collected in a water collection groove 9 formed in the area and allowed to flow down, thereby preventing lateral flow to the side window.

The conventional manufacturing method of the above window molding 4 is to form the molding 4 with a predetermined cross-sectional shape by extrusion molding, then cut off the first support piece 12 at the corner part 14, and then attach the leg part 7 to the upper part 10. It is manufactured by cutting out a part and the second support piece 13.

However, with such conventional manufacturing methods.

Since the dimensions are adjusted and a portion is cut out after extrusion molding, it is difficult to adjust the dimensions and cut out, and the window plate insertion grooves 11 are different in the side part 8 and the upper part 10.
Since the window plate 3 is inserted and attached to the corners a and 11, there is a problem in that it is difficult to insert the corner part 14.

[Problems to be Solved by the Invention] In order to solve the above-mentioned problems, an object of the present invention is to manufacture a window molding in which a window plate can be easily inserted, efficiently and accurately, using a simple device and operation. The purpose of this invention is to propose a possible manufacturing method for window moldings.

[Means to solve the problem]

(+) A molding body attached to cover the gap between the window plate and the vehicle body panel, a lip protruding from the molding body so as to cover the outer periphery of the window plate, and a leg extending from the molding body to the gap. extruding a long molding material having a constant cross-sectional shape;

(i) a first support piece extending from the leg portion of the molding material toward the window plate side, forming a water collection groove between the leg portion of the molding material and the lip of the side portion, and adjacent to the lip of the upper portion; (i) deforming a molding material so as to form the window plate insertion grooves on substantially the same plane; This is a manufacturing method.

In the present invention, the first and second support pieces are preferably formed by joining the first and second support pieces that have been extruded separately from the molding material.

[For production]

In the present invention, after the molding material and the first and second support pieces are separated and extruded, the first and second support pieces are joined to the molding material near the exit of the extrusion mold,
The molding material is then deformed to form the first and second
A window molding is manufactured by forming continuous window plate insertion grooves on the same plane between the support pieces.

The thus manufactured window molding is attached to a vehicle body panel by inserting the window plate into window plate insertion grooves formed on substantially the same plane through the upper portion, corner portions, and side portions. In the attached state, rainwater is collected in the water collection groove between the lip of the side part and the first support piece and flows down.

〔Example〕

Examples of the present invention will be described below. 1 to 16 show one embodiment, FIG. 1 is a partial perspective view showing how the manufactured molding is used, and FIG.
7 is an AA sectional view, FIG. 3 is a BB sectional view, FIG. 4 is a system diagram showing the manufacturing method, and FIG. 5 is a right side view of the extrusion mold.
Figure 6 is a cross-sectional view of the same C-C, and Figures 7 and 8 are the same D.
-D sectional view, FIG. 9 is an E-E sectional view in FIG. 7, FIG. 10 is an FF sectional view, FIG. 11 is a G-C sectional view in FIG. 8,
Fig. 12 is a sectional view taken along the line H-H, Fig. 13 is a front view of the molding material, Fig. 14 is a diagram showing the relationship between the feed amount and the displacement of the guide and cutter, and Fig. 15 is a front view of the molding.
FIG. 16 is a front view of a part of the core material, and the same reference numerals as in FIGS. 17 and 18 indicate the same or corresponding parts.

As shown in FIGS. 1 to 3, the manufactured molding 4 has a cross-sectional shape substantially similar to that of the conventional molding, but a core material 15 is embedded in the upper part of the leg portion 7. 16 is adhesive, 17 is dumb rubber, 18 is opaque print layer, 1
9 is rainwater. As shown in FIG. 16, the core material 15 is made of aluminum, which is provided with slits 20, can be bent in the width direction, and can be plastically deformed.
It is preferable to use a strip material in the form of a metal plate, such as stainless steel, which is less prone to rust.The core material 15 is not necessarily required, and in addition to the plate-like core material 15 provided with the illustrated slits 20, glass or carbon fiber can be used. One or more strands or linear core materials of polyester resin may be buried in the portions of the molding body 4a and the leg portions 7 that are not to be removed.

The manufacturing method of the molding 4 is as shown in FIG.
When sending the decorative film through the molding 4 and burying the decorative film so that a part of it is exposed from the outer surface of the molding 4,
Sending out the decorative film 15a from the uncoiler 21a,
The core material 15 may be formed by winding up a material provided with slits 20 into a roll on an uncoiler 21, or may be punched using a punching press or the like while the strip material is being sent out. It is desirable to apply an adhesive or the like to the core material 15 and the decorative film 15a in advance.

The core material 15 is a feed amount detection device 2 such as a rotary encoder.
3, while detecting the delivery amount by feeding into the extrusion mold 24, soft polyvinyl chloride resin, ionomer resin, ethylene-vinyl acetate copolymer resin, acetic acid butyric acid cellulose resin,
In addition, extrusion molding of thermoplastic resin such as elastomer resin is performed to form the molding main body 4a, lip 6 and leg portions 7.
The molding material 25 is extruded with the first support piece 12 and the second support piece 13 separated from each other. Bond cutting device while in the softened state immediately after extrusion! 27, No. 1. While joining the second support piece 12.13, a part of the leg part 7 is cut out, and while being cooled in a cooling tank 28, it is taken up by a take-up machine 29,
The molding 4 is obtained by cutting to a certain size using a cutting machine 30.

Molding body 4a and first and second support pieces 12.13
In order to synchronously extrude the resins while being separated at the exit of the extrusion mold 24, it is easiest and preferable to use one extruder and branch the resin flow path within the extrusion mold 24. If necessary, two extruders may be used to extrude and weld mutually compatible synthetic resins.

A bond cutting device 27 is used to attach a first bond cutter to the side of the leg 7 of the molding material 25 at the exit of the extrusion die 24. Second support piece 1
2.13, the first and second guides 31, 32 for joining, and the cutter 33 for cutting off the lower part of the leg 7.

It is connected to a screw stud 36 via a support frame 35 that slides along a guide 34. The threaded rod 36 is connected for rotation by a servo motor 37.

As the cutter 33, a stretched thin metal wire is used. The servo motor 37 is connected to the control device 26,
The first and second guides 31 and 32 and the cutter 33 are moved vertically in the forward and reverse directions according to commands according to a pre-installed program. A guide roller 38 that presses the molding material 25 from above is provided at the top of the bond cutting device 27.

When the length of the side part 8 of the molding 4 is 121, the length of the corner part 14 is Q2, and the length of the upper part 10, the feeding amount of the core material 15 and the first part of the joint cutting device 27 are
The relationship between the second guide 31, 32 and the displacement amount of the cutter 33 is as shown in FIG.

That is, first, as shown in FIGS. 7, 9, and 10, the bond cutting device 27 is moved backward, extrusion molding is performed with the cutter 33 not in contact with the leg 7, and the cutter 33 is extruded in a separated state. 1. The second support piece 12.13 is attached to the first support piece 12.13. Second
It is joined to the lower end side of the leg 7 through the guides 31 and 32. As a result, a side portion 8 is formed which has a water collection groove 9 between the first support piece 12 and the lip 6, and a window plate insertion groove 11 between the first and second support pieces 12,13.

When the feed amount Q1 of the core material 15 is detected by the feed amount detection device 23, the servo motor 37 rotates by a predetermined number of rotations according to a command from the control device 26, and the first and second guides 31, 32 and Displace the cutter 33. As a result, the first and second guides 31 and 32 are raised and the first and second guides 31 and 32 are raised.
As the joining position of the second support piece 12, 13 is moved to the side of the molding body 4a of the leg part 7, the amount of injection of the cutter 33 increases to cut off the lower end of the first leg part 7. A corner portion 14 is thus formed. At this time, since the molding material 25 is pressed down from above by the guide roller 38, it is prevented from moving upward.

Next, when the delivery amount detection device 23 detects the delivery amount Q2,
The control device 26 instructs the servo motor 37 to stop rotating, and as shown in FIGS. 8, 11, and 12, the first
, the second guide 31.32 joins the first and second support pieces 12.13 to the sides of the leg 7 in the uppermost position, and the cutter 33 cuts off the leg 7 with the maximum injection amount. As a result, the first support piece 1
2 is an upper part 1 adjacent to the lip 6 and having a window plate insertion groove 11 between the first and second support pieces 12 and 13;
0 is formed.

In the upper part 10, the first support piece 12 is joined adjacent to the lip 6, but the lower part of the lip 6 and the first support piece 1
It is preferable not to weld the first support piece 12 with the first support piece 12 because the first support piece 12 can be moved easily. Further, it is preferable to make the tip of the lip 6 and the bottom surface of the first support piece 12 coincide with each other because this stabilizes the mounting state and improves the appearance quality.

When the delivery amount detection device 23 detects the delivery amount, the servo motor 37 is reversed, the first and second guides 31, 32 and the cutter 33 return to their original positions, and a part of the opposite corner is moved in the opposite direction. 14 and the side portions 8, a molding material 25 having a bent window molding insertion groove 11 as shown in FIG. 13 is obtained. Alternatively, the length of one piece of the molding 4, Y indicates the position of cutting by the cutting machine 30.

After the above operation, as shown in FIG. 15, force is applied in the direction of arrow W to plastically deform the molding material 25 near the corner portion 14, so that the window molding insertion groove 11 of the upper portion 10 and side portion 8 is approximately The window plate insertion grooves 11 are deformed so as to form continuous window plate insertion grooves 11 on the same line. Although such plastic deformation can be performed by applying only mechanical force using a press or the like using the plastic deformation of the core material 15, it is also possible to perform plastic deformation of the resin by also applying heat using a hot press or the like. preferable. Such a deformation step may be performed continuously following the extrusion and bond cutting steps, or may be performed on each molding material 25 after cutting by the cutter 30.

The window molding 4 manufactured as described above has an upper portion 1 as shown in FIGS. 1 to 3.
0. After inserting the window plate 3 into the window plate insertion groove 11 formed substantially on the same plane through the corner portion 14 and the side portion 8, the window plate 3 is attached to the vehicle body panel 5 using an adhesive 16. At this time,
Since the window plate insertion grooves 11 are substantially aligned, the window plate 3 can be easily inserted. In the installed state, the lip 6 of the side part 8 and the first support piece 1
Rainwater 19 is collected in a water collection groove 9 formed between the two and allowed to flow down, thereby preventing lateral flow to the side window.

In the above embodiment, the delivery amount detection device 23 is connected to the core material 15.
However, instead of this, the amount of the decorative film 15a being fed out, the amount of the molding material 25 taken up, etc. may be detected.

Further, depending on the shape of the vehicle body panel 5 to which the molding 4 is attached, for example, if the depth of the rising flange 5a in the upper part 10 is the same as that of the side part 8, it may be necessary to cut out a part of the leg part 7. No, first again.
The joining position of the second support pieces 12 and 13 may be changed and the cutting of the leg portion 7 may be started in the vicinity of the corner portion 14, for example, on both sides of the side portion 8 or on both ends of the upper portion 10. good.

〔Effect of the invention〕

According to the present invention, the first and second support pieces are separated and extruded, a water collection groove is formed in the side part, and a window plate insertion groove is formed between the first and second support pieces. After forming the first and second support pieces, they are deformed so that the window plate insertion grooves are formed on the same surface, so that the window plate can be inserted efficiently and precisely with a simple device and operation. can easily manufacture window moldings.

[Brief explanation of the drawing]

Fig. 1 is a perspective view of a part of the manufactured molding showing how it is used, Fig. 2 is a sectional view taken along line AA in Fig. 17, Fig. 3 is a sectional view taken along line BB in Fig. 17, and Fig. 4 is a manufacturing method. Fig. 5 is a right side view of the extrusion die, Fig. 6 is its CC cross-sectional view,
7 and 8 are sectional views taken along the line DD, FIG. 9 is a sectional view taken along the line EE in FIG. 7, FIG. 10 is a sectional view taken along the line FF in FIG. 8, and FIG. C sectional view, FIG. 12 is the HH sectional view,
Fig. 13 is a front view of the molding material, Fig. 14 is a relation between the feed amount and the displacement of the guide and cutter, Fig. 15 is a front view of the molding, Fig. 16 is a front view of a part of the core material, and Fig. 17 is a front view of the molding material. The figure is a front view of the front window, and FIG. 18 is a partial perspective view showing a conventional window molding. In each figure, the same reference numerals indicate the same or corresponding parts, 3 is the window plate, 4 is the window molding, 4 is the window plate, 4 is the window molding,
a is the molding body, 5 is the vehicle body panel, 6 is the lip, 7 is the leg part, 8 is the side part, 9 is the water collection groove, 1G is the upper part, 11. lla is the window plate insertion groove,
12 is a first support piece, 13 is a second support piece, 14 is a corner part, 15 is a core material, 23 is a delivery amount detection device, 24 is an extrusion mold, 25 is a molding material, 26 is a control device, 2
7 is a joint cutting device, and 33 is a cutter. Agent Patent Attorney Sei Hara Figure 5 Figure 6 Figure 11

Claims (2)

[Claims] (1) (i) A molding body attached to cover the gap between the window plate and the vehicle body panel, a lip protruding from the molding body so as to cover the outer periphery of the window plate, and a leg extending from the molding body to the gap. (ii) forming a water collection groove extending from the leg of the molding material toward the window plate side and between the lip at the side portion; , and forming a first support piece adjacent to the lip in the upper portion, and a second support piece that forms a wind plate insertion groove between the first support piece; (iii) forming the window plate insertion groove; A method for manufacturing a window molding, comprising the step of deforming a molding material so that the molding material is formed on substantially the same surface. (2) The method for manufacturing a window molding according to claim (1), wherein the first and second support pieces are formed by joining the first and second support pieces that have been extruded separately from the molding material. .