JPS6013876B2 - Sealant injection device between window glass and weather strip - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention provides a method for uniformly applying a sealing agent such as a filler or adhesive between the inner circumferential groove of a weather strip attached to the periphery of a window glass of a vehicle such as an automobile and the window glass. The present invention relates to an apparatus for injecting a sealant between a window glass and a weather strip.

When attaching window glass to a vehicle's weather strip, in order to ensure watertightness at the bonded area, first insert the periphery of the window glass into the weather strip's inner groove, and then attach the window glass to the weather strip's inner groove. A sealing agent such as a filler or an adhesive is injected into the gap between the window glass and the peripheral edge of the window glass.

Conventionally, when injecting a sealant into the gap between the inner circumferential groove of a weatherstripping and the periphery of the window glass, an operator would hold an injection gun and insert the nozzle tip into the inner circumferential groove of the weatherstripping. Insert the bag into the gap between the periphery of the window glass, pull the trigger of the injection gun, and continuously discharge the sealant at a constant rate. The sealant was injected by moving it.
However, with such conventional methods, it is extremely difficult to move the injection gun at a constant speed while constantly discharging the sealant manually, and the sealant is not injected uniformly and may be injected at various locations. There was a risk that the amount of L would be too low or too low.

If too much sealant is injected, the sealant will protrude from the weather strip, resulting in an unsightly appearance; if too little is injected, watertightness cannot be ensured, resulting in rain leaks after the vehicle is completed. In order to solve the above-mentioned problems, this invention
The tip of the nozzle, which is inserted between the inner circumferential groove of the weather strip and the periphery of the window glass, moves at a relatively constant speed along the periphery of the window glass, and the anti-deposition agent is automatically applied. This ensures uniform injection.

Next, one embodiment of the present invention will be described with reference to the drawings.

In FIG. 1, a plurality of rollers 2 are attached to the upper surface of the base turtle, and a rotary table 3 is movably placed on the rollers 2.

A support 4 is vertically fixed to the upper surface of the table 3 in the center thereof, and shafts S and 6 integrally provided at the center of the support support further extend from both upper and lower ends of the support 4.
An upward suction cup 7 is attached to the upper end of the shaft 5, on which a window glass 8 can be fixed by suction and fixed by a vacuum pump 9.

A long long hole is bored in the upper surface of the base turtle in the left and right direction as shown in Figure 1.The shaft 6 passes through the first hole, and the gear turtle 1 is fixed to the lower end of the shaft 6. ing.

The shape of the gear sergeant is similar to the planar shape of the window glass 8, and a pinion 1 and a roller 3 are located on a diagonal line parallel to the long hole 1Q' of the gear 1. is biased toward the pinion 12 by a spring 14, and presses the gear shaft so that it always meshes with the pinion shaft 2.The pinion shaft 2 is pressed against the motor blade 5.
The rotary table 3, the shaft 5, the suction cup 7, and the window glass 8 are rotated integrally through the gear blade 1. It rotates smoothly on gear 1.
When the rotary table 3 slides along the roller 2, the support shaft 5, suction cup 7, and window glass 8 are also displaced along with the shaft 6. The periphery of the window glass 8 fits into the inner circumferential groove 17 of the weather strip turtle 6.

Rollers 18, 19, and 2Q, which are rotatably supported by a mechanism described later, are in contact with the upper surface, lower surface, and outer peripheral side surface of the weather strip 16, and are rotated in accordance with the above-mentioned rotation of the window glass 8. It has become. The rotation speed of the roller 28 is determined by a speed detection circuit 22 in the control device 21.
Here, it is converted into a signal such as a voltage or frequency according to the rotational speed of the roller 20, and is input to the comparison circuit 23.

The comparator circuit 23 further receives input signals such as voltages or frequencies corresponding to the upper limit speed and lower limit speed of the roller 20 from the upper limit speed setter 24 and the lower limit speed setter 26 . The comparison circuit 23 compares the electric signal from the speed detection circuit 22 with the electric signals from the upper limit speed setter 2 and the lower limit speed setter 25, and inputs the deviation value to the integration circuit 2SI. In the integration circuit 2, a control command is issued to the motor 15 according to the input from the comparison circuit 23 to adjust the rotation speed of the motor blade 5, but the rotation speed of the roller 20 is determined by the upper limit speed setter 24 and the lower limit speed setter 26. Ensure that the speed remains within the set speed range. As a result, the peripheral speed of the window glass 8 is kept approximately constant. Reference numeral 27 denotes a sealant discharging device for sealing the filler, adhesive, etc. sent from the sealant supply pump 28 to the three muzzle bodies through the on-off valve 29L and flexible hose 38. Apply the stopper to nozzle 3
It is designed to be discharged from the tip of 2.

Although not shown, the nozzle body 31 is provided with an adjustment valve so that the discharge base of the sealant discharged from the tip of the nozzle 32 can be adjusted to a predetermined amount. Next, roller 18
, 39, 20 will be explained with reference to FIGS. 2 and 3.

There is a plate 34 above the base frame 33, and the plate 3
The front end side of 4 is supported on the upper surface of the base frame 33 by two pins 36 arranged laterally in a straight line.

The tip of a piston rod 37 of a cylinder 36 is pivotally attached to the lower surface of the rear end of the plate 34, and as shown in FIGS. 2 and 3, the piston rod 37 is By contracting the plate 34, the plate 34 can be tilted so that the rear end side is lowered as shown in FIG. There is a support plate 38 above the plate 34, and the support plate 38 is pivotally supported on the upper surface of the plate 34 by two pins 39 arranged in a straight line in the front-rear direction.

A pair of balance springs 40 are provided between the lower surface of the support plate 38 and the upper surface of the plate 34 so as to be symmetrical with respect to the line connecting the pins 39, 39 (in the figure, one
Only one of the pair of balance springs 40 is shown), which normally ensures that the support plate 38 remains parallel to the plate 34. Two guide shafts 41 are fixed in parallel in the front-rear direction on the support plate 38, and a sliding block 42 iron-mounted on the guide shafts 41 slides back and forth along the guide shafts 41. It looks like this.

A spring 43 is interposed between the rear end surface of the sliding block 42 and the rear edge of the support plate 38, surrounding the guide shaft 41, to lightly urge the groove block 42 forward. Further, a cylinder device 44 (see FIG. 3) is installed between the side surface of the sliding block 42 and the rear green of the support plate 38, and the cylinder device 44 (see FIG. 3) is installed to move the Numatsuki block 42 back and forth just before starting the sealant injection operation. It is adapted to be fixed at a constant initial set position in the direction. When a sealant injection operation to be described later is started, the pressure fluid in the cylinder device 44 is discharged, and the sliding block 42 is in a state where it can freely slide back and forth along the guide shaft 41. Sliding block 42
On the top surface is a column 45 and two guide shafts 46.
are fixed vertically, and a block 47 mounted on the guide shaft 46 is configured to slide up and down along the guide shaft 46.

A bracket 48 is attached to the upper end of the support column 45, and a balancer 49 formed by a coil spring is attached between the bracket 48 and the sliding block 47, so that the sliding block 47 is suspended. Sliding block 4
As shown in FIG. 3, a cylinder device 50 is installed between 7 and 42 to fix the sliding block 47 at a certain initial setting in the vertical direction immediately before starting the sealant injection operation. Then, when the sealant injection operation is started, the pressure fluid in the cylinder device 50 is discharged,
The sliding block 47 is in a state where it can freely slide up and down along the guide shaft 46. An arm 51 is fixed horizontally to the front surface of the sliding block, a support plate 52 is fixed to the tip of the arm 51, and a horizontal pin 53 is fixed to the front side of the sliding block.
The joint 54 is pivotally mounted so as to swing vertically.

A spring 55 is installed between the joint 54 and the sliding block 47.
is attached to bias the joint 54 against the upper surface of the support plate 52. A support plate 57 is fixed to the joint 54 by a vertical pin 56 so as to swing horizontally. A pair of balance springs 66 are provided between the back surface of the support plate 57 and the support plate 52 so as to be symmetrical on both sides of the axis of extension of the pin 56 (the figure shows a pair of balance springs 66). Only one of the springs 66 is shown) normally biases the support plate 57 toward the front. On the front surface of the support plate 57, the roller 18 described in FIG. 1 is rotatably mounted on a horizontal shaft, and the roller 20 is rotatably mounted on a vertical shaft. A roller support plate 58 is located below the front of the support plate 57.
A roller 19 is rotatably attached to the front surface of the roller 19 by a horizontal shaft. There is a horizontal shaft portion 59 (see FIG. 3) on the back side of the roller support plate 58, and this koji portion 59
is pivotally supported on the lower side of the support plate 57. A cylinder device 60 is attached between the roller support plate 58 and the support plate 57, and by expanding and contracting the cylinder device 60, the roller 19 is vertically moved together with the roller support plate 58 around the shaft portion 59. It is designed so that it can be swung. A holder 61 is integrally formed on the upper part of the support plate 57, and the nozzle body 31 and cylinder device 62 are swingably supported by the holder 61 by horizontal pins 63 and 64.

The piston rod of the cylinder device 62 is connected to the nozzle body 31 via a link 65, so that the nozzle body 31 can be rotated around the pin 63. The operation of injecting a sealant such as a filler or adhesive into the gap between the inner circumferential groove 17 of the weather strip 16 and the periphery of the window glass 8 using the above-mentioned sealant injection device will be described below. .

First, the cylinder device 44 shown in FIG. 3 fixes the sliding block 42 at a certain initial set position in the front-rear direction, and then the cylinder device 50 fixes the sliding block 42 at a certain initial set position.
is fixed at a certain initial set position in the vertical direction.

Next, the piston rod 37 of the cylinder 36 is retracted and the fourth
As shown in the figure, when the plate 34 is tilted so that the rear end side is lower, the support plate 38, the guide shaft 41, the sliding block 42, the column 45, the guide shaft 46, the sliding block 47, the arm 51, The support plate 57 and the like will also fall backward, and the rollers 18, 19, 20 and nozzle body 31 will retreat to the left in the figure with respect to the state shown in FIG. At the same time, the piston rod of the shilling device 62 is extended, and the nozzle body 31 is tilted further rearward around the pin 63 via the link 65.
Further, when the cylinder device 60 is extended and the roller support plate 68 is displaced downward about the shaft portion 59, the troller tortoise 9 is released downward and becomes the state shown in FIG. 4. In this state, the window glass crab can be freely carried in from above the suction cup 7 (see Figure 1). Then, the window glass 8 is suctioned and fixed by the suction cup 71 in a predetermined initial set state. After the window glass 8 is firmly fixed in the predetermined initial setting, the piston rod 37 of the cylinder 36 is extended to restore the plate 34 to a horizontal state, and the t-support 4 and guide shafts are completely erected vertically. The arm horse 8' is restored horizontally, and the loaf members 89 and 20 are brought into contact with the upper surface and the outer circumferential side of the weatherstrip turtle 8, respectively, as shown in FIG. Displace the troller vine 9 upwards centering on the ball 6 and bring it into contact with the lower surface of the weather strip turtle 8.
All the weather strips are covered in dust. Next, the piston rod of the cylinder device 62 is contracted and the nozzle is raised from the state shown in Figure 5 with the pin S3 as the center via the link 65. It is carried between the inner circumferential groove of the Fujup turtle 6 and the periphery of the window glass 8.

Subsequently, the pressure fluid in the cylinder devices 44 and 50 is discharged, and the cylindrical block 42 freely slides back and forth along the guide shaft, and the cylindrical block 47 freely moves up and down along the guide shaft. The preparation work is completed so that it can be slid on. Next, when the on-off valve 29 shown in Fig. 3 is opened, the sealant begins to be steadily discharged from the tip of the nozzle 3 of the hose 30 through the nozzle body 3. At the same time, when the motor 5 is rotated, The glass 8 begins to rotate.While the window glass 8 continues to rotate, the rollers Kame 8, Tomi 9, and Nozomi Q maintain their contact with the upper to lower surfaces and outer peripheral sides of the weather strip Turtle Crab, respectively. The supporting plate is kept in a relatively constant posture relative to the weather strip while following the change in the peripheral shape of the window glass 8, and the tip of the nozzle 82 is aligned with the inner circumferential groove of the weather strip.
The iron-filled state is maintained between the window glass 8 and the surrounding green of the window glass 8. That is, as the window glass 8 rotates, the window glass 8
When the periphery of the weather strip 16 and the periphery of the weather strip 16 are displaced in the left-right direction in FIG. It will follow the sides.

Also, when the cylindrical edge of the window glass 8 and the weather strip 8 light are displaced in the vertical direction, the sliding block &? The roller moves along the guide shaft 461, and the roller
- and the height of the support plate 57 is made to follow the height change of the weather strip turtle 6. Furthermore, when the window glass 8 is a curved glass and the slope of the frame changes near its periphery,
As shown in FIG. 6, at the same time as the sliding block mother 7 slides along the guide shaft 46', the all hands 54 swing vertically around the pin 63, and the roller electric 8, neck 9, second shaft and The support plate light 7 is tilted so as to follow the change in the forehead inclination of the window glass 8.

Furthermore, when the bent edge of the small radius at the angular interval of the window glass crab passes between the rollers 9 and 20, the support plate H9 is centered around the vertical pin 66 and is subjected to the force of the balance spring 66. Even if the window glass 8 swings against the curve, it responds to the bending change in the radius of the window glass 8.

In this way, since the support plate 6 is always displaced to follow the shade of the window glass 8, the tip of the nozzle 32 of the nozzle body 31 is held in a constant posture by the blade of the holder 6, which is integrated with the support plate S field. ``An adjustment (not shown) that allows the weatherstrip 6 to maintain its inserted state between the inner circumferential groove 7 and the periphery of the window glass 8 and to move relative to each other in relative motion. The sealant is continuously discharged between the inner circumferential groove neck 7 of the weatherstrip seal 6 and the periphery of the window glass crab at a discharge rate that is pre-adjusted by a valve.

Also, while the window glass 8 is rotating, the roller 20 and the control device Katsuokame (
The rotation speed of the motor turtle 5 is adjusted by
The peripheral speed of the window glass 8 is kept almost constant. Therefore, since the nozzle 32 moves at a relatively constant speed around the periphery of the window glass weight while discharging the sealant at a constant discharge rate, the sealant is evenly injected into the window. When the glass 8 rotates once and the discharge start position reaches the nozzle 32, the motor 15 stops and the on-off valve 29 closes.
closes.

After passing through the state shown in FIG. 5, the loaf turtles 8, wealth 9, 20 and nozzle body 3 move backward as shown in FIG. 4, the vacuum pump 9 stops, and the window glass 8 has finished injecting the sealant.
It is carried away upward for a moment, completing one injection operation. As explained above, in this invention, even if the window glass 8 rotates at a constant circumferential speed, the nozzle body 3 is provided in the fixed position layer on the sealant injection locus, and the nozzle body 3 is the sealant injection target. A roller that is guided directly by the object itself and follows the displacement, Army 9,
Since the nozzle body 3 is displaced together with 20, the displacement of the nozzle body 3 is ensured with high accuracy, so the work can be carried out well.

Therefore, the nozzle 32 for discharging the anti-aging agent follows the shape of the cylindrical edge of the window glass noodle, and the inner circumferential groove 1 of the weather strip turtle 8
7 and the peripheral edge of the window glass 8, and a certain amount of the sealant is discharged while maintaining the state of being inserted between the window glass 8 and the peripheral edge of the window glass 8.
The sealant is uniformly injected without excess, ensuring watertightness at the weather strip iron bonding part of the window glass, and preventing the sealant from leaking out.

[Brief explanation of the drawing]

Fig. 1 is a system diagram of an embodiment of the present invention, Fig. 2 is a perspective view of the main parts, Fig. 3 is a side view of the main parts, and Figs. 4 to 6 are side views showing the operating states of the main parts. It is a diagram. Mai...Window glass, turtle 5...Motato wealth 6...
...Weather strip~ Tortoise 7...Inner circumferential groove, 8
, Bone 9, 2Q...Roller 2 Turtle...Control device, 31...Mezzle body, 32...Nozzle too 5?
...Support plate Fig. 1 Fig. 2 Fig. 6 Fig. 3 Fig. 4 Fig. 5

Claims (1)

[Claims] 1. A column for supporting the window glass whose peripheral edge is fitted into the inner circumferential groove of the weather strip, a motor for rotating the column, and a column rotatably attached to the support plate and in contact with the weather strip to rotate the support plate. A roller that is displaced to follow the periphery of the window glass, and a nozzle tip attached to the support plate are fitted between the inner circumferential groove of the weather strip and the periphery of the window glass for discharging a sealant. A window glass characterized in that it has a nozzle body for the window glass, and a control device that detects the rotational speed of the roller and adjusts the rotational speed of the motor so that the rotational speed of the roller is maintained within a predetermined speed range. Sealant injection device between the weather strip and the weather strip.