JPH0321571A - Wind shield panel fitting device for automobile - Google Patents

Abstract

PURPOSE:To make automatic assembly without damaging a panel by putting the center of a guide rail supporting the upper edges of the panel in alignment with the center of the opening of the car body, and locating the center of a panel hanger supporting the panel with elevation and sink in matching with the center of the mentioned guide rail. CONSTITUTION:On a dolly 6 running by itself along a moving guide rail 1 in parallel with a transport line 3 for car body 2, a panel hanger 5 hanging a wind shield panel 14 with elevation and stinking is set with possibility of sliding horizontally in the direction right across the transport line 3. On another dolly 16 which can contact and separate from the first named dolly 6, a guide arm 19 is set which is elevated and sunk by a lift device 17 and is slidable horizontally. A pair of guide rails 20 are arranged on this guide arm 19 for supporting the upper edges of the panel 14. These guide arm 19 and guide rails 20 are located and adjusted by a panel guide mechanism 15 provided with a centering mechanism 21, while the panel hanger 5 is located by a means 25 with respect to the guide rails 20.

Description

DETAILED DESCRIPTION OF THE INVENTION Field of the Invention The present invention relates to an apparatus for assembling windshield panels for automobiles.

1. Prior Art A device for automatically assembling a front windshield panel or a rear windshield panel to the edge of an opening in the vehicle body is disclosed in, for example, Japanese Patent Laid-Open No. 58-36779. Japanese Utility Model Application Publication No. 59-4380 is known.

Problems to be Solved by the Invention In both of the above cases, the vehicle body is fixed with a jig on the conveyor line, the windshield panel is fixed with a jig, and the jig of the windshield panel is positioned on the vehicle body. Since the windshield panel is brought into contact with and fixed to the edge of the vehicle body opening, it is difficult to control the accuracy of the windshield panel holding jig and the vehicle body side jig, and the precision of these jigs is high. However, if there is an assembly error at the edge of the vehicle body opening or an error in the outer dimensions of the windshield panel, the jig will not be able to absorb these dimensional errors, and the windshield panel will not fit properly into the vehicle body opening. There was a problem in that the windshield panel could not be aligned with the edge, and the windshield panel could be damaged in some cases.

SUMMARY OF THE INVENTION Therefore, the present invention provides an automobile windshield panel assembly device that can properly align a windshield panel with the edge of a vehicle body opening and automatically assemble the windshield panel without damaging it. It is.

Means for solving the problem: A panel that is installed on a trolley that moves parallel to the car body transport line so as to be able to slide horizontally in a direction perpendicular to the car body transport line, and that suspends and raises and lowers the windshield panel above the car body opening. A guide arm is disposed on a hanger and a truck that can move toward and away from the panel hanger truck, and is lifted and lowered by a lifting device and can slide horizontally in parallel with the panel hanger. a pair of guide rails disposed on the guide arm, engaged with and positioned at both upper corner portions of the vehicle body opening to support both sides of the upper edge of the windshield panel;
M is activated to inscribe the side edge of the vehicle body opening, and
A panel guide mechanism includes a centering mechanism that slides a guide arm to align the guide rail center with the center of the vehicle body opening, and a panel hanger and guide arm that engage each other to align the panel suspension center of the panel hanger with the guide rail. and positioning means for aligning with the center.

Action When the panel hanger approaches the panel guide mechanism while holding the center of the windshield panel, the panel hanger slides horizontally based on the guide arms of the panel guide mechanism due to the guiding action of the positioning means, and these panel hanger guide arms They engage each other, the panel hanging center of the panel hanger is aligned with the guide rail center, and the panel hanger. The carts of the panel guide mechanism come together. When the vehicle body is transported to a predetermined position on the conveyance line, a pair of guide rails of the panel guide mechanism enters into the vehicle body opening. In this state, when the pair of guide rails is moved apart by the operation of the centering mechanism, each rail is inscribed in the side edge of the vehicle body opening, and the reaction force moves the guide arm horizontally, causing the guide rail center to move toward the vehicle body opening. It will be aligned with the department center. When the guide arm is raised by the lifting device, the pair of guide rails slide against the side edges of the car body opening, and the guide rail width narrows as the car body opening width narrows, and each guide rail moves along the side edge of the car body opening. It is positioned by engaging with the upper both side corner parts. Suspended on a panel hanger. When the windshield panel is lowered and its upper both corners are received on the pair of guide rails, these guide rails will allow the upper both corners of the windshield panel to correspond to the upper both corners of the vehicle body opening. The positional relationship is determined. When the panel hanger is moved in the opposite direction to the transport direction of the vehicle body in this state, the windshield panel slides along the guide rail toward the upper edge of the vehicle body opening, and the upper edge of the windshield panel Since it moves onto the upper edge of the opening, move the panel guide mechanism in the direction of transporting the vehicle body to separate it from the panel hanger. Then, when the windshield panel is lowered again, the windshield panel rotates under its own weight about the upper edge of the vehicle body opening, and is properly engaged and attached to the peripheral edge of the vehicle body opening.

Example Hereinafter, one embodiment of the present invention will be described in detail with reference to the drawings.

In FIGS. 1 to 8, 1 is a moving guide rail for the panel hanger 5, the truck 6 of the panel guide mechanism 15, and 16, and this moving guide rail 1 is connected to a line parallel to the conveying line 3 of the vehicle body 2, and a line parallel to the conveying line 3 of the vehicle body 2. The panel stage 4 is bent at 90 degrees and its direction is changed so as to form a line parallel to the panel stage 4 arranged perpendicularly to the panel stage 4 . 5 is a carriage 6 that is self-propelled along the movable guide rail 1, and the movable guide rail 1
It engages so that it can slide freely in the direction perpendicular to the The panel hangers are arranged in a meandering L-shape. This panel hanger 5 is provided with a pair of front and rear drive pulleys 7.8 at its bent portion, and a pair of front and rear guide pulleys 9.10 at its tip, and these drive pulleys, guide pulleys 7, 9, and 8. A suction cup device l3 for holding the panel is suspended from the end of the wire 11 and 12 suspended from lO. When the panel hanger 5 picks up the windshield panel l4 that has been supplied and placed on the panel supply stage 4 at the panel take-out position A on the side of the panel supply stage 4, the panel hanger 5 is moved onto the trolley 6 by a motor (not shown). The panel hanger 5 is moved to a reference position so that the center of the windshield panel l4 can be sucked and held by the suction cup device l3.Also, the panel hanger 5 is moved to the reference position of the windshield panel l4 by the positioning means 25 described later. When engaged, the center of the panel suspension center, that is, the center of the suction cup device 13 hanging from the guide pulley 9.10 is set to a length that coincides with the center of the rack and pinion mechanism 2l of the guide arm l9.

The panel guide machine hW 1 5 is disposed on a truck 16 that runs on the moving guide rail 1 so as to be able to move toward and away from the truck 6 of the panel hanger 5. This panel guide mechanism 1
Reference numeral 5 denotes a guide arm 19 which is attached to an upper end guide 18 of a lifting device 17 disposed on a trolley 16 so as to be able to slide horizontally in parallel with the panel hanger 5;
It is roughly composed of a pair of guide rails 20 arranged above and a centering mechanism 21 that operates these guide rails 20. The centering mechanism 21 includes a guide arm l.
A pinion 23 driven by a motor 22 fixed to 9
The guide arm l9 is slidably engaged with the guide arm l9 in its length direction, and engages with the pinion 23 in a vertical relationship, and is approached by the rotation of the pinion 23. The guide rail 2 is composed of a pair of rack pars 24 that are operated apart from each other.
0 are fixedly attached to each end of these rack bars 24. The guide rail 20 is formed to have an L-shaped cross section, and a cut-out portion 20a is formed at the tip of the vertical wall of the guide rail 20.
are engaged with and positioned at both upper corner portions 2c of the vehicle body opening 2a. Reference numeral 25 indicates a means for positioning the panel hanger 5 and the guide arm l9, and in this embodiment, a bifurcated locate arm 26 is fixed on the guide arm 19 and has a tapered part for guiding on the outside of the tip. It is formed of a locating hole 27 formed in the leg portion of the panel hanger 5 and into which the locating arm 26 engages and disengages. The dimension between the central force of the locate arm 26 and the center of the pinion 23 is made to match the dimension between the center of the locate hole 27 and the hanging center of the suction cup device l3, so that the locate arm 26 and the locate hole 27 are engaged. Make sure that the panel suspension center is aligned with the guide rail center.

Next, a windshield panel assembly work mode using the above embodiment apparatus will be explained in order of process.

Step I (see Figure 2) At the panel take-out position A on the side of the panel supply stage 4, the suction cup device l3 of the panel hanger 5 sucks the center of the windshield panel l4, which has been coated with adhesive around the back side in advance. When the windshield panel 14 is picked up from above the panel supply stage 4, the panel hanger 5 moves by itself to the panel guide 15 that was waiting on the way, and the carts 6 and 16 come into contact with each other. Combine. This trolley 6
16 contact. During assembly, the locating arm 26 engages with the locating hole 27, and the panel suspension center and guide rail center are aligned. Aligned. That's right, panel hanger 5. In the assembled state, the carts 6 and 16 of the panel guide mechanism 15 travel by themselves to the panel assembly position B on the side of the conveyance line 3 of the vehicle body 2 and stop, in preparation for panel assembly.

Step ■ (See Figure 3) The vehicle body 2 is transported on the transport line 3 and reaches the panel assembly position B, and stops at the position where the pair of guide rails 20 of the panel guide mechanism 15 have entered the vehicle body opening 2a. Then, the guide rails 2O are expanded by the drive of the motor 22 of the rack/binion mechanism 2l, and when one of the guide rails 20 comes into contact with the side edge of the vehicle body opening 2a,
The reaction force causes the guide arm 19 to slide, and both guide rails 20 come into contact with the left and right side edges of the vehicle body opening 2a.
A torque check mechanism (not shown) stops driving the motor 22 and the motor 22 becomes free. The guide rail center is brought into alignment with the center of the vehicle body opening 2a by the contact with the side edge of the vehicle body opening 2a due to the expansion operation of the guide rail 20 and the sliding movement of the guide arm I9.

Step ■ (See Figure 4) When the centering of the guide rail 20 and the vehicle body opening 2a is completed, the guide arm 19 is raised by the lifting device 17, and the guide rail 20 slides into contact with the side edge of the vehicle body opening 2a and moves upward. , the guide rail width narrows as the width of the vehicle body opening 2a narrows, and when the guide rail 20 engages with the upper both corner portions 2c of the vehicle body opening 2a, a torque check mechanism (not shown) closes the lifting device 17. operation is stopped. Next, the combined carts 6 and 16 are slightly moved in the direction opposite to the transport direction of the vehicle body 2, and stopped with the cutout portions 20a of the guide rail 20 engaged with the upper both corner portions 2c, and the guide rail 20 positioning is performed.

Step 2 (see Fig. 5) When the positioning of the guide rail 20 is completed, the windshield panel 14 is lowered in a forward tilted position by the actuation of the drive booleys 7 and 8 of the panel hanger 5, and its upper both corner portions 14c are guided. When it comes into contact with the rail 20,
A torque check mechanism (not shown) stops the operation of the motors 7a, 8a of the drive booley 7.8.

Step ■ (See Figure 6.7) Upper both corner parts 14 of windshield panel I4
c comes into contact with the guide rail 20, the cart 6 of the panel hanger 5 moves slightly in the direction opposite to the transport direction of the vehicle body 2 and stops, and the upper edge of the windshield panel l4 is moved to the upper edge of the vehicle body opening 2a. Transfer to a superior. Then, the truck 6 further moves slightly in the aforementioned direction and stops with the upper edge of the windshield panel l4 in strong contact with the upper edge of the vehicle body opening 2a to some extent, and at the same time, the truck 1 of the panel guide machine lI15
6 moves in the transport direction of the vehicle body 2, and is stopped at a position where the guide rail 20 is separated from the vehicle body opening 2a to some extent.

Step ■ (See Figure 8) The upper edge of the windshield panel 14 is the vehicle body opening 2a.
When it is completely moved to the upper edge, the drive pulley 8 rotates (the drive pulley 7 also rotates slightly), and when the windshield panel 14 starts to be lowered, the windshield panel 14 is moved to the side of the vehicle body opening 2a. It rotates under its own weight about the upper edge as the center of rotation, and comes to engage appropriately with the peripheral edge of the vehicle body opening 2a. Therefore, in this state, the windshield panel l4 is suppressed and stabilized at a predetermined pressure by a suppressing means such as a pad (not shown), and the installation work is completed. When the installation of the windshield panel 14 is completed, the cart 6.16 moves to a predetermined position on the side of the panel supply stage 4 and is stopped in preparation for the next installation of the panel on the vehicle body. The operations from step (2) to step (2) above are centrally controlled by a controller not shown.

Effects of the Invention As described above, according to the present invention, the windshield panel can be attached and installed by following the shape of the opening edge of the vehicle body without having to force it into the edge of the opening of the vehicle body using a jig. Therefore, it has a great practical effect of being able to stably attach the windshield panel without damaging it.

[Brief explanation of the drawing]

Figure 1 is a perspective view showing one embodiment of the present invention, Figures 2 and 3
figure. FIGS. 4, 5, 6, 7, and 8 are explanatory diagrams showing the manner in which the windshield panel is assembled by the apparatus of the embodiment in the order of steps. 2... Vehicle body, 2a... Vehicle body opening, 2c... Upper both corner portions, 3... Vehicle body transfer line, 5... Panel hanger, 6.16... Dolly, 14... Windshield panel, l5...Panel guide mechanism, I7...
... Lifting device, l9... Guide arm, 20... Guide rail, 2 l... Center tongue mechanism, 25... Positioning means. 25 ----AIIIi/f) Afternoon Attack Figure 6 Figure 4 Figure 2 Figure 7 Figure 8

Claims (1)

[Claims] (1) The windshield panel is suspended above the opening of the car body, and is arranged so as to be able to slide horizontally in a direction perpendicular to the car body transport line on a trolley that moves parallel to the car body transport line.
A panel hanger that moves up and down, a guide arm that is disposed on a truck that can move toward and away from the truck of the panel hanger, that is moved up and down by a lifting device and that can slide horizontally in parallel with the panel hanger, and on the guide arm. a pair of guide rails that are disposed in the vehicle body opening and that are engaged with and positioned at both upper corner portions of the vehicle body opening to support both sides of the upper edge of the windshield panel; The panel guide mechanism is inscribed in the side edge of the panel guide mechanism and has a centering mechanism that aligns the guide rail center with the vehicle body opening center by sliding the guide arm, and the panel hanger and the guide arm are engaged with each other. and positioning means for aligning a panel suspension center with a guide rail center.