JPS62237961A - Painting apparatus for anticorrosion wax - Google Patents

Abstract

PURPOSE:To accurately apply anticorrosion wax without wastefulness, by accurately locating a vehicle mounted on a running truck by the longitudinal direction locating jig and lateral direction locating jig on the truck before mounting the same on a conveyor. CONSTITUTION:The vehicle W sent to a vehicle feed-in part is mounted on the running truck 20 moving between said feed-in part and the feed-in stage provided to the conveyor 1 for a painting line. Tires T are grasped in an advance direction by the arms 36 of the longitudinal direction locating jig 35 provided to the lifter base stand of the running truck 20 and the left and right sides of the tires T are pressed by the pressing fittings 47 of a lateral direction locating jig 45 to accurately locate the vehicle W at a predetermined position with respect to the running truck 20. Subsequently, the vehicle W is conveyed to the conveyor 1 by the running truck 20 and wax from an anticorrosion wax emitting means is accurately applied to the desired position of the vehicle W.

Description

DETAILED DESCRIPTION OF THE INVENTION (Industrial Application Field) The present invention provides a method for accurately positioning a vehicle at a predetermined position with respect to a conveyor that transports the vehicle when painting the vehicle (prior art). 1. On the inside of the foil house, etc. -T, After the vehicle assembly is almost completed, anti-corrosion wax is applied for the purpose of preventing rust. For example, Automotive Engineering Complete Book No. 13
Car body: p103 published on April 20, 1980
- Item 3.7.3 on p107. Described in rust prevention measures. To apply such anti-rust wax to a vehicle, the anti-rust wax is applied to a predetermined position on the vehicle by discharging the vehicle from a coating nozzle while conveying the vehicle using a conveyor for a painting line.

Fig. 7.8 is a diagram showing a conventionally used coating device for applying the above-mentioned anti-rust wax, and Fig. 7 shows a vehicle for a coating line installed with a predetermined length t. A part of the conveyor 1 is shown. This conveyor 1 is a groove structure having a large number of plate materials 2 called slabs 1 to 2. Vehicles W are carried into this conveyor belt 71 by themselves, and are installed at predetermined intervals on the conveyor. The vehicle W is positioned at a predetermined position relative to the conveyor 1 by dropping the front tire onto the vehicle receiving slat 2a. In this state, while driving the conveyor 1 to transport the vehicle W, paint is discharged from the nozzle 4 of the antirust wax discharge means 3 provided between the left and right conveyors 10, and applied to the underside of the floor etc. There is. During this painting, a detector (not shown) detects that the vehicle W has been conveyed by the conveyor 1 to the device A of the antirust wax discharging means 3, and a pre-stored program is detected by a signal from the control means. Accordingly, the antirust wax discharging means 3 is operated. FIG. 2 shows a state in which anti-rust wax is discharged from the nozzle 4 and applied to the underfloor surface of the vehicle W.

(Problems to be Solved by the Invention) However, in such a conventional anti-rust wax coating device, an operator drives the vehicle W and applies the vehicle W under the front wheels of the conveyor 1 to the vehicle receiving U of the conveyor 1. 7, the vehicle W shifts laterally, that is, in the left-right direction, as shown by the symbol △ in FIG.
placed on the conveyor 1, or as indicated by symbol B,
There were cases where the paper was placed on the conveyor 1 with a shift in the direction of rotation.

In this way, in the past, it was not possible to place the vehicle W at an accurate ear position with respect to the conveyor.
In order to apply anti-rust wax to a predetermined area of Since the coating is applied over a wider area than the above area, it was necessary to provide a masking cover or to clean the area afterwards in order to avoid contamination of unnecessary areas.

The present invention has been made in view of the problems of the prior art as described above, and after positioning the vehicle using a traveling cart, the vehicle is placed on the conveyor, and the vehicle is placed on the conveyor. The purpose is to ensure that the device is installed in the correct location.

(Means for Solving the Problems) The present invention to achieve the above object 1) includes a rust preventive wax discharging means that is adjacent to a conveyor for a painting line and discharges rust preventive wax onto vehicles on the conveyor. A traveling platform is installed on a rail laid between a loading stage provided on the front RRA conveyor and a vehicle loading section provided outside the conveyor, and a lifter base is provided in the traveling platform so as to be movable up and down. , a vertical positioning jig that clamps the tires of the vehicle to position the # vehicle in the traveling direction, and a lateral positioning jig that presses the left and right tires to position the vehicle in the lateral direction. This is a rust-preventing wax coating device that is attached to a base.

(Function) Vehicles that have been sent to the vehicle loading section are placed on a traveling trolley that moves between this vehicle loading section and a loading stage installed on the conveyor for the painting line. - It is accurately positioned at a predetermined position with respect to the traveling carriage by a vertical positioning jig and a horizontal positioning jig provided on the base. Then, since this running cart transports the vehicle to the conveyor, the vehicle (is precisely positioned at a predetermined position with respect to the conveyor,
The antirust wax from the antirust wax dispensing means is accurately applied to a desired location on the vehicle. Therefore, in order to reliably apply anti-rust wax to the desired areas, there is no need to apply anti-rust wax to unnecessary areas, eliminating waste of anti-corrosion wax and eliminating the need to apply it as in the past. Eliminates the need to mask parts.

(Example) Hereinafter, an example of the present invention illustrated in the drawings will be described. FIG. 1 is a plan view showing the entirety of a conveyor 1 for a painting line according to the present invention, and this conveyor 1 has two lines, one for right wheels and one for left wheels, similar to the conventional conveyor described above. Each consists of a number of plate sides 2 called slats. For each conveyor 1, as shown in FIG. 1 to 2b correspond to the shape of the vehicle W.
``!'' are installed at predetermined intervals on the left and right conveyors 1, facing each other in a direction q and protruding toward the center of the line in a direction E.Furthermore, on the slats 2a for the vehicle receiver 1''j, In order to position the vehicle and fix the vehicle W,
A stopper S is attached as shown in Figure 2.3.

Rust-preventing wax discharging means 10 as paint are provided at predetermined positions adjacent to each other between the conveyors 1, and each rust-preventing wax discharging means 10 has a second
．． As shown in FIG. 3, it has a nozzle 11 for discharging antirust wax onto the vehicle W.

As shown in FIG. 1, one end of the conveyor 1 serves as a carry-in stage 12 into which a vehicle W is carried in, and the opposite end serves as a carry-in stage 13 into which the vehicle W is carried out.

Further, a vehicle loading section 14 is installed outside the conveyor 1 adjacent to the loading stage 12, and these I/O
A rail 15 is laid between the tlI person stage 12 and the vehicle loading section 14.

In the vehicle If passenger section 1, tire guides 16 are installed on both sides of the rails 15 to support the tires of the vehicle W carried in by itself, and further restrict the forward movement of the vehicle W. A tire stopper 17 is provided for this purpose.

A traveling cart 20 is movably installed on the rails 15 shown in FIG. The details of this traveling trolley 20 are shown in FIGS. 4 to 6.

As shown in the figure, the traveling truck 20 consists of a front truck 20a and a rear truck 20b, each having wheels 21, and these are connected by a rod 23 of a cylinder 22 operated by air or hydraulic pressure so that the mutual spacing can be adjusted. has been done. A lifter base 24 is attached to each of the front truck 20a and the rear truck 20b so as to be movable up and down.
5, each glue lid base 24, these.
For downward driving, as shown in FIG. 6, air or hydraulically actuated cylinders 25 are attached, and the rods 26 of each cylinder 25 are connected to the respective carriages 20a, 20b. Furthermore, cylinder 2
5 to each trolley 20a, 20b, and
6 may be connected to the lifter base 24. Further, in FIG. 6, only the cylinder 25 for vertically moving the lifter base 24 of the rear truck 20b is shown. Furthermore, in FIG. 6, one traveling carriage 20 is shown by a solid line in each of the loading stage 12 and the vehicle loading section 14.

The traveling trolley 20 is moved to the rails 15 by a drive means (not shown).
It can move forward and backward on the top of the conveyor 1, and also engages with the conveyor and moves forward in synchronization with the movement of the conveyor 1. in this way,
In order to move the traveling truck 20 forward in synchronization with the conveyor 1, a guide post 2 is attached to the lifter 24 of the front truck 2Qa.
7 is attached (pulled).Following slides 1 to 28 are fixed to the upper end of the rotating shaft rotatably housed therein, and a cylinder fixed to the lifter base 24 is fixed to the lower end. 290 rod 30 is attached.Brackets 1 to 31 that engage with the following striker 28 driven by this cylinder 29 are attached to the left and right conveyors 1, as shown in FIG. 7 on the right
Vehicle holders (slats 1 to 2a) for lower front tires attached to 1 are provided.

As shown in detail in FIG. 4.5, the liter bases 24 of the respective bogies 20a and 20b are provided with a lifter base 24 that holds the vehicle W at a predetermined position with respect to the traveling direction of the vehicle W. A vertical positioning jig 35 is provided for positioning. These vertical positioning jigs 35 have two rotation shafts 37a for the right tires and two rotation shafts 37b for the left tires, each having an arm 36 fixed thereto. In order to rotate each arm 36, rods 39 of cylinders 38 respectively attached to lifter base 24 and brackets 40 attached to rotation shafts 37a and 37b are interconnected. FIG. 5 shows a state in which each arm 36 is opened and holds a tire 10 between them.

Furthermore, the liter base 2 of each trolley 20a, 20b
As shown in detail in FIG. 5, 4 is provided with a lateral positioning jig (equalizer) 45 that positions the vehicle W in the lateral direction by pressing the left and right tires.

These lateral positioning jigs 45 each have a pusher metal fitting 47 that is slidably attached to a bearing 46 that is fixed to the lid pedestal 24 . For each pressing, the axial movement of the metal fitting 47 is performed by a cylinder 4B attached to each lifter base 24, as shown in FIG. 4.5.
Each of the rods 49 is pressed onto the metal fitting 47 by the interlocking plate 5.
This is done by cylinder 48 by being connected via 0. Note that the lateral positioning jig 45 includes a fourth
As shown in the figure, a spring 51 is provided to push the metal fitting 47 back to a predetermined neutral position.

Next, a procedure for positioning a vehicle at a predetermined position with respect to the conveyor 1 for the painting line and applying antirust wax will be described.

A worker drives the vehicle W, which has almost been assembled, to the vehicle loading section 14 shown in FIG. 1.

At this time, the vehicle W is driven by the tire guide 16 provided in the vehicle loading section 14 and stopped at the tire stopper 17. The tire stopper 17 is provided with a detector (not shown), and the tire stopper 17 is equipped with a detector (not shown).
7 guns detected. In addition, in this stop position, each arm 36 of the traveling platform 20 is in a closed state, and the center of the phase n of the two adjacent rotations 11137a is centered under the front tire. is set to be located.

Under this condition, when the driver gets out of the vehicle and operates the star 1 to push buttons, each cylinder 3B is activated and the arm 36 is activated.
The vehicle W is held at a predetermined position in its traveling direction by being held by the arms 13, and the rear wheels T are held by the arms 13 from both sides. Thereby, the vehicle W is positioned at a predetermined position with respect to the traveling trolley 20 in its traveling direction, that is, in the longitudinal direction. The hearing limit of each arm 36 is
When this is detected by a detector (not shown), the cylinder 22 is actuated by the signal from the detector, and the lifter base 24 is raised. As the liter base 24 rises, the vehicle W changes from being placed on the tire guide 16 to being supported by the arm 36 of the lid base 24. Note that the traveling carriage 20 shown on the right side in FIG. 6 shows a state in which the vehicle W is supported by the arm 36.

When the upper limit of lifter base 24 is detected by a detector (not shown), a driving means (not shown) is actuated in response to this signal, and traveling carriage 20 moves forward.

The traveling carriage 20 stops at the forward limit, and the cylinder 48 of the lateral positioning jig 45 starts operating in response to a stop signal thereof. Then, due to the operation of this cylinder 48, the pressing metal fitting 47 moves forward to a predetermined position, and the vehicle W is positioned at a predetermined position in the lateral direction. At the same time, the cylinder 29 starts operating, and the follow-up striker 28 opens and engages with the bracket 31 to be in a 1q state, that is, a standby state.

As the conveyor 1 moves, the bracket 31 attached to the conveyor 1 moves to the engagement striker 2 in a standby state.
8, the carriage 20 moves forward in synchronization with the conveyor 1.

Then, when the following striker 28 and the bracket 31 of the conveyor 1 are engaged, the vehicle support slats 2a12b provided on the conveyor 1 are at positions corresponding to the tires of the vehicle W, and these corresponding positions are The traveling cart 20 moves forward in synchronization with the conveyor while maintaining the relationship. During the process of this forward movement or after the end of forward movement, the cylinder 22 is operated to lower the lifter base 24. Then, the vehicle W is moved from the state where it is supported by the arm 36 by its tire section to the receiving slat 2a of the conveyor 1.
The front tire block is placed on the holder slat 2b, and the return tire block is placed on the receiving slat 2b and supported by the conveyor 1. Note that the traveling cart 20 shown on the left side in FIG. 6 shows a state in which the movement of the vehicle W to the conveyor 1 has been completed.

At the same time, the cylinder 48 is actuated to press the lateral positioning jig, that is, the riser 45, to release the metal fitting 47 from the tire block, and further move the liker 28 to the tracking stage 1.
By closing the cylinder 29, the transfer of the vehicle W onto the conveyor belt 1 is completed. When this transfer is completed, the vehicle W is positioned at a predetermined position with respect to its traveling direction by the vertical positioning jig 35 provided on the lifter base 2/I of the traveling trolley 20, and the vehicle W is also positioned at a predetermined position in the lateral direction. Since the vehicle W is positioned at a predetermined position in the lateral direction by the jig 45, the vehicle W is accurately placed on the conveyor 1.

In response to the completion signal, a drive means (not shown) is actuated to drive the traveling truck 20, and the traveling truck 20 retreats to the original position d3 (j) in the vehicle loading section 14 shown in FIG. In order to transfer the vehicle W onto the conveyor 1, the traveling trolley 20 waits.

On the other hand, the vehicle W placed on the conveyor 71 is coated with rust preventive wax discharged from the nozzle of the rust preventive wax discharging means 10 provided adjacent to the conveyor 1 while being sequentially conveyed by the conveyor. At this time, since the vehicle W is accurately positioned with respect to the conveyor belt 1, the antirust wax can be accurately applied to the desired position of the vehicle W. Therefore, there is no need to mask areas that do not require application.
Anti-rust wax can be applied to desired locations. As shown in FIG. 1, this anti-rust wax discharging means 10 is
] A plurality of nozzles 11 of each antirust wax discharging means 10 are provided at a plurality of bright locations adjacent to the conveyor, and the antirust wax is applied a plurality of times.

(Effects of the Invention) As described above, according to the present invention, a traveling trolley is used to transfer a vehicle to a conveyor in a painting line that applies anti-rust wax to the vehicle while transporting the vehicle. The vehicle is placed on the conveyor after accurately positioning the vehicle on the traveling vehicle using a vertical positioning jig and a horizontal positioning jig provided on the traveling vehicle. will be placed in the correct position. As a result, the anti-rust wax discharged from the anti-rust wax dispensing means installed adjacent to the conveyor is applied to the correct position relative to the vehicle, which not only eliminates unnecessary application of anti-rust wax but also reduces the amount of application. It is no longer necessary to mask unnecessary parts, making it easier to apply anti-rust wax.

[Brief explanation of drawings]

FIG. 1 is a plan view showing the entire painting line equipped with the anti-rust wax coating device of the present invention, FIG. 2 is an enlarged plan view of the main part of FIG. 1, and FIG. 3 is a side view of FIG. 2. FIG. 4 is a front view showing an embodiment of the anti-corrosion wax coating device of the present invention, FIG. 5 is a plan view of FIG. 4, and FIG. FIG. 7 is a plan view showing the conventional coating apparatus, and FIG. 8 is a front view of FIG. 7. 1... Conveyor, 2... Slat, 2a, 2
b...Vehicle frame slat, 10...Anti-rust wax discharge means, 11...Nozzle, 12...Carry-in stage, 14...Vehicle carry-in part, 15...Rail,
16...Tire guide, 20...Traveling trolley, 24...Lifter base, 28...Following striker-1 35...Vertical positioning jig, 36...Arm,
45... Lateral positioning jig, 47... Metal fitting for pressing.

Claims (1)

[Claims] A rust preventive wax discharging means for discharging rust preventive wax to vehicles on the conveyor is provided adjacent to the conveyor for the painting line, and a carry-in stage provided on the conveyor and a vehicle carry-in section provided outside the conveyor are provided. a vertical positioning jig that positions a vehicle in the traveling direction by installing a traveling trolley on the rails laid between them, and installing a lifter base on the traveling trolley so that it can move up and down; and sandwiching the tires of the vehicle; and a lateral positioning jig for lateral positioning of the vehicle by pressing the left and right tires together.