JPS621680A - Positioning device for body assembler - Google Patents

Abstract

PURPOSE:To aim at improvmeent in operatability, by adjusting a floating table for its movement with a crosswise driving device within a plane surface by means of a body position detecting sensor, and installing a device positionint it automatically. CONSTITUTION:When a reference surface 45 or a longitudinal wall surface of a car body situated in an improper position parting from each of rollers 34-36 of a body position detecting sensor, a floating cylinder 8 is driven whereby a floating table 7 is drawn toward an arrow C. With this operation, positioning rollers 34 and 35 are made contact with the reference surface 45 and positoin in an (x) direction takes place. At this time, the floating table 7 is in a state of three-point support by the cylinder 8 and an elastic support part 9 so that it is in no case twisted, thus shifting motion is performable. A sidelong direction is also is positioned so as to come into contact with the roller 36 by a cylinder 25. Afterward, the car body is locked by a guide pin 42 and positioning operation is all over.

Description

[Detailed Description of the Invention] Industrial Application Field This invention relates to positioning u rXl for mutually positioning the vehicle body and parts, equipment, etc. in a vehicle body assembly machine that assembles parts, equipment, etc. to the body of an automobile or the like. Flash.

BACKGROUND TECHNOLOGY In general, a car body assembly machine suspends a car body with hangers and transfers it to the upper part of the car body assembly machine. After the work of positioning the parts and equipment to be assembled to the car body at appropriate positions, the parts and equipment are attached to the car body. ,
It is common to assemble equipment, etc.

In this positioning work, the operator visually moves the floating table horizontally so that the guide pin installed on the floating table of the car body assembly machine can be inserted into the gauge hole previously drilled at a predetermined position on the car body. It was then adjusted and positioned by inserting a guide pin into the gauge hole.

As a means for facilitating this positioning work, for example, a means disclosed in Japanese Patent Application Laid-open No. 107969/1983 has been proposed.

That is, a pedestal, which is a 70-table, is installed on the truck via an air bag. Then, with parts, equipment, etc. placed on this pedestal, the airbag is inflated and the pedestal is floated, taking advantage of the fact that it is extremely easy to move the pedestal in a horizontal plane. This is a means by which an operator visually moves and adjusts the pedestal in the horizontal direction and positions the parts, equipment, etc. on the pedestal so that they are positioned at a predetermined position for assembly on the vehicle body.

Problems to be Solved by the Invention However, with all conventional positioning means, the operator has to visually and manually move and adjust a heavy floating table on which parts, equipment, etc. to be assembled are placed, resulting in poor workability. The problem was that it was bad.

In view of the above-mentioned points, an object of the present invention is to automatically position parts, equipment, etc. when assembling to a vehicle body, improve work efficiency, and provide inexpensive products.

Means for Solving the Problems The positioning device for a vehicle body assembly machine according to the present invention is provided with a
- Parts, equipment, etc. are attached to the vehicle body through the supporting means.
A floating table equipped with a device for O operation is installed movably within a plane, and a vertical drive means for adjusting the movement of the floating table in the X direction within the plane is provided between the floating table and the device base. Move in the y direction of tI! A lateral drive means for aligning the vehicle body is installed, and the vehicle body position is determined by detecting the proper position of the vehicle body on the floating table and controlling and positioning the longitudinal drive means and the lateral drive means ii! It is characterized by the installation of a 24j1 output sensor.

Function: With this configuration, the floating table is moved within a plane by the vertical drive means and the lateral drive means, and the vehicle body is moved on a plane by the vertical drive means and the lateral drive means. By stopping the vertical drive means and the horizontal drive means at positions suitable for the mounting device for parts, equipment, etc. on the floating table,
It has the function of automatically performing positioning between the vehicle body assembly machine and the vehicle body.

Embodiment Hereinafter, an embodiment of a positioning device for an ilEl assembly machine according to the present invention will be described with reference to the accompanying drawings.

Fig. 1 is a side view of a car body assembly machine for discharging fuel onto the car body, and Fig. 2 is a plan view thereof, where 1 is the main body of the car body assembly machine.

This car body assembly machine 1 is movably installed on a pair of rails 2.2 laid in a manufacturing factory. For this purpose, on the upper plate 5 of the device base 3, as shown in cross section in FIG. A plurality of ball bearings 0 are installed, and a floating table 7 is placed on the second side of the ball bearings 6 so as to be rotatably supported and movable within a plane.

Furthermore, as shown in FIG. 2, a floating cylinder is provided between the floating table pulley 7 and the device base 3 as a longitudinal driving means for the footing pulley 7. A pair of bullet supports 9.9 are installed at positions corresponding to both sides of the extension gland of the floating cylinder part 8 on the other side.

As shown in FIG. 3, this IJ-ding cylinder 8a expands and contracts the ζ-hood 10 in the direction of the arrow X using air pressure. Equipped with a brake device. Further, the tip end of the rod 10 is connected to a guide drive support rod 12 via a connection support plate 11. The guide drive support rod 12 is pushed through the slider 13 and guided and supported so as to be movable in the direction shown by arrow X. Furthermore, one end of the link plate 14 is pivotally attached to the tip of the guide drive support rod 12 with a shaft pin 15. Furthermore, the other end of this link plate 14 is attached to the slider support part 16 installed at the end of the floaty/groove pull 7.
It is attached so that it can slide in the direction shown by arrow y in the figure.

In addition, as shown in FIG.
The slide rod 19 is slidably pushed through the guide hole, the compression coil spring 20 is inserted into the tip of the slide loft 19, the piece-shaped fastener 21 is fixed to the tip of the slide rod 19, and the slide base 18 is assembled. The slide rod 19 is always biased in the direction of the arrow A by the compression coil spring 20 installed between the and the hook-shaped clasp 21.

Further, a rotor 22 is pivotally attached to this hook-shaped fastener 21.

This transfer element 22 has a rectangular receiver installed at the end of the footing table 7, and a rectangular receiver protruding downward from the lower end of the plate 23. Contact is made, and the floating daple 7 is always floating.
This is to urge the 1-ting cylinder portion 8 in the direction of arrow A.

In addition, as shown in FIG. 2, the floating daple 7
As a lateral drive means for adjusting the movement in the direction shown by the arrow y in the figure within the funeral plane,
A floating cylinder part 25 is placed between the horizontal part of the device base 3! Place Q, and other side parts [)
- A pair of bullet supports 20.20 are installed at positions corresponding to both sides of the extension gland of the ting cylinder portion 25.

The configuration of this floating cylinder section 25 is the same as that of the floating cylinder section 8 shown in FIG. .

The bullet support 26 is also constructed in the same manner as the bullet support 9 shown in Fig. It urges the table 7 in a certain direction of the floating cylinder portion 25.

On the floating chisel 7 mounted on the HW 1 base 3 in this way, a work stand 29 is mounted 81 for placing a fuel tank 28 as a part, unit, etc. to be assembled on the vehicle body in a predetermined position. A naph runner 3 for attaching the fuel tank 28 on the work table 29 to the vehicle body 30
In this example, seven pieces of 1 are installed.

Furthermore, a vehicle body position detection sensor 32 is installed on the floating table 7, and this sensor 32 has a tlT1 positioning roller 34, a second positioning roller 35, a third position A matching roller 36 is provided.

These first, second and third alignment rollers 34, 35.
3B, a roller 38 equipped with a sensor for detecting contact with the vehicle body 30 is rotatably installed at the free end of an axle 37 protruding from the support plate 33.
The alignment roller 34 is provided at the front edge of the abutment plate 33, the second alignment roller 35 is provided at the edge between the abutment plates 33, and the third alignment roller 36 is provided at the edge of the abutment plate 33. It is provided at the lateral protruding end.

This support plate 33 serves as a lifting support rod 41 of the elevator 40.
It is attached to the upper end of the 4! ! ! It is configured to move up and down by driving 40.

In addition, as shown in Fig. 1, the floaty/groove pull 7
On top is a hanger (not shown) on this car body assembly machine 1! !
After the vehicle body 30 transferred by IJJL is properly positioned with respect to the vehicle body assembly machine 1, four guide pin devices 42 for fixing the vehicle body 30 are installed.

This guide pin device 42 has a guide pin rod 43 with a conically shaped tip that can be raised and lowered. Four positioning reference holes drilled 4
4 to temporarily fix the position of the vehicle body 30 suspended on the hanger and the vehicle body assembly all.

When the vehicle body 30 is properly positioned with respect to the vehicle body assembly al, the fuel tank 28 on the work table 29 is aligned with the mounting position of the vehicle body 30.

Next, the operation of the vehicle body assembly machine of this example configured as described above will be explained with reference to the schematic plan views of FIGS. 5 and 6.

Figure 5 shows a hanger (not shown) placed on top of the car body assembly machine l.
This is an example of the state in which the car body 30 that has been removed has been transferred,
The reference plane 45 shown by the two-dot chain line, which is the vertical wall surface of the vehicle body 30, is the vertical wall surface of the vehicle body position detection sensor 32.
It is in an inappropriate position away from 3B.

To perform positioning from this plane, first, a vertical drive means is activated to move the floating table 7 in the direction shown by arrow X in the plane.

Then, drive the I-ting cylinder 8a!
Then, the floating table 7 on the ball bearing 6'' is smoothly pulled in the direction of arrow C.

Then, the reference surface 45 of the vehicle body 30 is aligned with the first alignment roller 3
4 and the second alignment roller 35 and are positioned in the X direction. Upon receiving a signal from the first and second alignment rollers 34 and 35 that detect this, the brake of the floating cylinder 8a is applied. Stop driving.

During the operation of moving the floating table 7, the floating table 7 is supported at three points by the 70-ting cylinder 8a and the pair of bullet supports 9.
q, and the movement is transmitted while sliding and rotating on the slider support part 16 of the floating cylinder part 8, so that the floating table 7 can move in a well-balanced manner without being twisted.

After this, the floating cylinder section 25, which is a lateral drive means, is driven, and in conjunction with the pair of bullet supports 26 and 26, the floating cylinder section 25, as well as the above-mentioned operation of the floating cylinder section 8, can be easily disassembled without twisting. Pull the floaty/groove pull 7 in the horizontal direction within the plane, in the direction of the arrow.

Then, the m3 alignment roller 36 aligns with the reference surface 4 of the vehicle body 30.
5 and is positioned in the y direction, and in response to a signal from the third positioning row 536 that detects this, the brake of the polishing cylinder 71 is applied to stop its driving. In this way, as shown in FIG.
At the same time, the rollers 34, 35, and 36 are moved to the 3rd position, and the reference surface 4
5, the brakes are locked on each floating cylinder portion 8.25, and the alignment of the vehicle body 30 with respect to the floating table 7 of the vehicle body assembly machine 1 is completed.

Next, as shown in FIG. 1, each guide pin rod 43 is inserted and temporarily fixed into each reference hole 44 of the vehicle body 30 that has been properly aligned by driving the guide pin device 42. , the positioning work is completed.

Now, put the fuel tank 28 on the work table 29 of the IT body assembly a11 into the predetermined position of the 171 body 30, and attach this fuel tank 28 to the vehicle body 30 using the nut runner 31! 8 tubes.

After completing this pipe installation work, the first percent of the vehicle body position detection sensor 32
ff12, third alignment o-ra 34.35.36, and guide bin v;'i! The guide/rod 43 of 42 is lowered, the car body is separated from the car body assembly machine 1, each floating cylinder part 8.25 is driven, the floating table 7 is returned to the initial waiting position, and the next car body 30 is moved.
It is waiting for it to be transferred.

In this manner, the positioning work of the car body 30 can be performed automatically without manual intervention due to the positioning mechanism of the car body assembly machine 1, so that the work efficiency of installing the fuel tank 28 during the 311 break 30 can be improved. It is possible.

Effects of the Invention According to the positioning device for a vehicle body assembly machine of the present invention, a floating table is movably supported within a plane relative to the device base, and the floating table is moved by a longitudinal drive means and a lateral drive means. , the movement can be adjusted within a plane, and the vehicle body position detection unit installed on the floating table controls the longitudinal drive means and the lateral drive means to perform positioning work between the vehicle body assembly machine and the vehicle body. Since this can be done automatically, it is possible to omit the conventional process of positioning work by workers, improve work efficiency, and provide inexpensive products.

[Brief explanation of drawings]

FIG. 1 is a side view showing an embodiment of the positioning device for a vehicle body assembly machine of the present invention, FIG. 2 is a plan view thereof, and FIG. 3 is an enlarged partial cross-sectional side view showing a floating cylinder portion, which is the main part thereof. Fig. 4 is an enlarged side view showing the main part of the bullet support, and Figs. i5 and 6 are schematic plan views for explaining its operation. 1...Car body assembly machine, 3...Device base,
6... Ball bearing, 7... Floating table, 8... Floating cylinder section, 8a... Floating cylinder, 9
... Bullet branch, 22 ... Roller, 25.
...Floating cylinder section, 26...
・Bullet branch, 27...Roller, 28...
Fuel tank, 29...Work table, 30...
...Vehicle body, 32...Vehicle body position detection sensor, 34
......First alignment roller, 35...Second alignment roller, 36...Third alignment roller, 42...Guide pin device, 45・・・・・・
・Reference plane patent applicant Fuji Heavy Industries Co., Ltd. Agent Patent attorney ■ Osamu Yoro No. 1
Figure Jz° Vehicle position, 1 detection sensor Figure 2 Figure 3 Figure 4 ∆ Figure 5 Procedural amendment (voluntary) August 16, 1985 Special 1, 1 Agency Ai Palace 1, IJF display special Application No. 60-140226 λ Name of the invention: Positioning device for a vehicle body assembly machine Relationship with the case of the person making the amendment Name of the patent applicant (534) Fuji Heavy Industries Co., Ltd. & Drawing attached to the specification subject to the amendment a Contents of the amendment ( 1) In the drawings attached to the specification, Figure 3 is amended as shown in the attached sheet.

Claims (1)

[Claims] A floating table (7) equipped with a device for attaching parts, equipment, etc. to the vehicle body (30) via a floating support means is installed on the device base (3) so as to be movable within a plane. 7) and the device base (
3), and a vertical drive means and a lateral drive means for adjusting the movement of the floating table (7) within a plane are installed between the floating table (7) and the vehicle body (30) at an appropriate position on the floating table (7). A vehicle body position detection sensor (32) is installed to detect the floating table (7), and the floating table (7) is moved and adjusted by the vertical drive means and the horizontal drive means, so that the vehicle body (30) is positioned on the floating table (7). The vehicle body assembly is characterized in that the vehicle body position detection sensor (32) detects that the vehicle body is at a proper position, and controls the longitudinal drive means and the lateral drive means to perform positioning. Machine positioning device.