JPH01306376A - Hood assembly device - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

DETAILED DESCRIPTION OF THE INVENTION <Industrial Application Field> The present invention relates to an automatic attachment device for installation parts used in an automobile assembly line.

<Problems to be solved by conventional technology and invention> Conventionally,
The equipment for attaching fittings such as hoods, lids, and tailgates that can be opened and closed to automobile bodies to open and close them has not been fully automated.

That is, a worker positions the installation part in a predetermined body opening while holding it with a holding device, and tightens it with a bolt tightening device, or positions the installation part in the body opening with a positioning device and tightens it. work is being done. However, the former requires a lot of manual labor, and the latter, for example, if the position of the body opening is misaligned, the bolt cannot be pushed in properly, which is an obstacle to automation.

The present invention was developed in view of the above circumstances, and provides an automobile installation system that completely automates a series of operations from supplying installation parts to positioning them in the opening of the automobile body and tightening bolts. The purpose is to provide an automatic parts mounting device.

Means for Solving the Problem> To achieve this object, an automatic mounting device of an automatic mounting device according to the present invention includes a set table for carrying a mirror-equipped component to a predetermined carry-in position, and a set table for carrying a mirror-equipped part to a predetermined carry-in position; A positioning robot that receives mirrored parts on a set table and positions and holds the mirrored parts with respect to a pre-positioned opening in an automobile body, and a bolt feeder that sequentially supplies tightening bolts to predetermined delivery positions. and a bolt tightening robot that receives the tightened Bordeaux at the delivery position and tightens the tightening bolt on the mirrored part that is positioned and held.

Function: The parts with mirrors are carried to the loading position by the setting table, and from there, carried by the positioning robot to the opening of the car body and positioned. On the other hand, the tightening bolt is received by the bolt tightening robot from the delivery position of the bolt feeder, and the bolt tightening robot pushes the tightening bolt into the hole of the mirrored part held by the positioning robot and tightens it. .

Embodiment Hereinafter, an embodiment in which the present invention is applied to a hood attachment device will be specifically described with reference to the drawings.

FIG. 1 is a front view of an automatic hood attachment device according to an embodiment of the present invention, FIG. 2 is a side view thereof, and FIG. 3 is a plan view thereof.

As shown in FIGS. 1 to 3, this automatic mounting device includes a setting table 12 for carrying in the hood IJ, a positioning robot 14 for positioning and holding the hood 1 with respect to the opening of the automobile body 13, and It has a bolt feeder 16 that sequentially supplies bolts 15 and a bolt tightening robot 17 that tightens the bolts 15.

A hood installation work position is provided at a predetermined position on the assembly line, and a body positioning jig 19 is mounted on a jig base 20 in the line pit 18. The body 13 is positioned by fitting the bottle 21 into the hole of the body 13.

At this hood installation work position, the set table 12 is mounted on a guide rail 22 so that it can slide from the receiving position to the carry-in position, and as shown in FIG. At a certain time, the hood 11 is supplied onto the set table 12 by a loading machine (not shown), and the set table 12 moves the hood 11 to the adjacent loading position 2.
Transfer to 3.

On the other hand, the vehicle body 13 is moved in the vehicle width direction (Y direction) through the hood opening of the vehicle body 13 positioned by the body positioning jig 19 and above the carry-in position 23, so as to straddle the line pit 18. Two cross beams 24 (see FIG. 3) extending parallel to each other are provided, and the positioning robot 14 is mounted on the cross beams 24. That is, a base 25 of the positioning robot 14 is provided. is mounted on a guide rail 26 laid on the cross beam 24, and a pinion 28 of a Y-axis drive motor 27 attached to this base 25 meshes with a rack 29 attached to the cross beam 24. Therefore, when the Y-axis drive motor 27 is operated, the base 2
5 moves along the cross beam 24, and the positioning robot 14 can reciprocate between the carry-in position 23 and the automobile body 13.

Further, a guide rail 3° is laid on this base 25 in a direction perpendicular to the direction of movement thereof, that is, along the front-rear direction (X direction) of the automobile body 13, and a movable base 31 is mounted on this. There is. This movable table 31 is configured to be driven along its guide rail 30 via a ball screw 33 by an X-axis drive motor 32 provided on the base 25. Further, the movable base 31 supports a support rod 34 slidably in the vertical direction (Z direction), and the support rod 34 is fitted into a Z-axis drive motor 35 provided on the movable base 31 and is connected to a rack/binion (not shown). It is designed to be moved up and down via the gutter groove. The support rod 34 hangs below the cross beam 24 through an opening 36 provided in the base 25, and a hanger 37 for gripping the hood 11 is attached to the lower end of the support rod 34.

Here, one of the hangers 37 will be explained in detail with reference to FIGS. 4 to 6. FIG. 4 is a front view thereof, FIG. 5 is a side view thereof, and FIG. 6 is a plan view of the hood showing the hanger engagement position. As shown in the figure, a hanger board 38 is attached to the lower end of the support rod 34 extending in the vertical direction so as to be rotatable around an axis in the Y direction. Can be tilted to any angle.

As shown in FIG. 4, left and right pressers 40 are respectively attached to both ends of the hanger board 38 in the Y direction so as to be movable in the vehicle width direction (Y direction). The support portions 41 of these left-right pressers 40 are screwed into ball screws 42, and by rotationally driving these ball screws 42 with a drive motor 44 via a gear 43, each left-right presser 40 is rotated. Be positioned. As shown in FIG. 6, these left-right pressers 40 come into contact with both ends of the hood 11 in the width direction, and adjust the position of the hood 11 in the width direction.

Further, as shown in FIG. 5, two rear supports 45 are attached to one end edge (rear end edge) in the front-rear direction (X direction) of the hanger board 38 so as to be movable in the front-rear direction. It is being These rear supports 45 have their support portions 46 screwed into ball screws 47 in the same way as the left-right push-buttons 40 described above, and the ball screws 47 are connected to a drive motor 49 via gears 48. 45 is positioned by operating a drive motor 49. As shown in FIG. 6, the rear support 45 engages with and supports the rear edge of the hood 11, and also regulates its position.

On the other hand, the other end edge (front end edge) in the front and rear direction of the hanger board 38
As shown in FIG. 5, a front support 50 is provided. The front support 50 is vertically movably attached to the slider 5 which is supported by the hanger board 38 so as to be slidable in the front-rear direction, and the support portion 52 of the front support 50 is
is screwed into the ball screw 53, and this ball screw 53 is @I
It is connected to the drive motor 55 via 'g54. The slider 51 also has an 0
An air cylinder 56 for N-OFF driving is connected.

As shown in FIG. 6, the front support 50 engages with and supports the front edge of the hood 11, and the drive morph 55 is actuated to move the front support 50 in the vertical direction. This allows the tilt of the held hood 11 to be adjusted.

On the other hand, when the ON-OFF drive air cylinder 56 is operated, the front support ring 50 moves in the front-rear direction to hold and release the hood 11.

On the other hand, as shown in FIGS. 1 to 3, the line pit 18
A bolt feeder 16 and a bolt tightening robot 17 are arranged inside. These bolt feeders 16 and Pol l-
The m-equipped robots 17 are provided with two of the same configuration, one for the right and the other for the left, and are symmetrically provided on both the left and right sides of the automobile body 13. The bolt feeder 16 and bolt tightening robot 17 will be explained below.

The bolt feeder 16 has a storage section 57 that supplies tightening bolts 15, and an alignment section 59 that aligns the bolts 15 supplied from the storage section 57 and sequentially sends them out to a bolt delivery position fis8. The bolt tightening robot 17 is located on the side of the automobile body 13 adjacent to this bolt delivery position 58.

The bolt tightening robot 17 is mounted on the base 60. That is, the base 60 has guide rails 6 in the front and back direction.
1 is laid, and an X-axis slider 62 is mounted on it. The X-axis slider 62 is driven by an X-axis drive motor 63 via a ball screw 64 along its guide rail 61, so that it can move between the bolt feeder 16 and the hood installation position. An elevating table 65 is attached to the X-axis slider 61 so as to be movable in the downward direction and rotatable around an axis in the vertical direction. It is driven up and down as well as rotated by a C-axis drive motor 67. Furthermore, an arm 68 is attached to the lifting table 65 so as to be movable in the horizontal direction, and this arm 68 is driven by a drive motor 69 via a ball screw 70. A holding stand 72 is attached to the tip of the arm 68 and is oscillated by a drive motor 71, and a bolt tightening tool 73 is supported on this holding stand 72.

This automatic tightening device has the above-mentioned configuration, and its operation will be explained below.

First, the hood 11 is received by the hanger 37 of the positioning robot 14 from the set table 12 at the carry-in position 23.

The positioning robot 14 carries the hood 11 to the automobile body 13, which has been previously positioned at a predetermined position by the body positioning jig 19, and positions and holds the hood with respect to the hood opening.

On the other hand, the setting table 12 that handed over the hood 11 to the positioning robot 14 returns to its receiving position, receives the next hood 11, and waits again at the carry-in position 23.

Further, in parallel with this, the bolt tightening robot 17 moves from the delivery position 58 of the bolt feeder 16 to the bolt tightening tool 7 of the bolt feeder 16.
3 receives the tightening bolt 15, and its Pol I/tightening tool 7
3 is positioned relative to the hood 11 positioned as described above, and the hood 11 is attached to the body 13 by tightening bolts. Thereafter, the bolt tightening robot 17 returns to the delivery position to receive the next tightening bolt, and the positioning robot 14 also returns to the delivery position 2 to receive the next hood 11.
Return to 3.

In this way, according to this automatic tightening device, a series of tasks can be performed automatically when installing the hood, and it is also possible to easily respond to changes in the size or mounting position of the hood 11. becomes.

Although the above-mentioned embodiment describes the attachment of a hood, the present invention can be similarly applied to installation parts such as a lid and a tailgate.

<Effects of the Invention> As specifically explained above with reference to one embodiment, according to the present invention, a series of operations from supplying installation parts to positioning them in the opening of the automobile body and tightening bolts can be completely completed. It will be possible to automate this process and improve work efficiency.

[Brief explanation of the drawing]

FIG. 1 is a front view of an automatic hood attachment device according to an embodiment of the present invention, FIG. 2 is a side view thereof, FIG. 3 is a plan view thereof, FIG. 4 is a front view of the hanger, and FIG. The figure is a side view of the hood, and FIG. 6 is a plan view of the hood showing the hanger engagement position. In the drawing, 11 is a hood, 12 is a set table, 13 is a car body, 14 is a positioning robot, 15 is a tightening bolt, 16 is a bolt feeder, 17 is a bolt tightening robot, 23 is a carry-in position, and 58 is a delivery position , 73 is a bolt tightening tool. Figure 5

Claims (1)

[Claims] A set table for transporting construction parts to a predetermined transport position,
a positioning robot that receives the installation parts on the set table at the carry-in position and positions and holds the installation parts with respect to a pre-positioned opening of the automobile body; and a positioning robot that positions the tightening bolts at a predetermined delivery position. and a bolt tightening robot that receives the tightening bolts at the delivery position and tightens the tightening bolts on the installed parts that are positioned and held. Automatic installation equipment for automobile installation parts.