JPH01310761A - Coating of completed vehicle during conveyance and its device - Google Patents

Abstract

PURPOSE:To make possible the adequate application of rust-inhibitive wax, using a simple control by transporting a completed vehicle intermittently and applying the rust-inhibitive wax to the lower surface of the vehicle using a coating robot when the vehicle stops briefly while being transported. CONSTITUTION:Slat conveyors 12, 12 which are intermittently driven by an intermittent drive means, transport a completed vehicle V which is transferred from a carrying-in device 1 to a carrying-out device 3, including two brief stops on the way. In some part of the transport route corresponding to at least one of the brief stops during transport, a coating robot 14 is positioned between the slat conveyors 12, 12. The coating robot 14 discharges rust-inhibitive wax to the lower surface of the complete vehicle V in the state of a brief stop. Consequently, the complicated control such as synchronization between the slat conveyors 12, 12 and the coating robot 14 is no longer required, and the rust-inhibitive wax is easily applied.

Description

Detailed Description of the Invention A1 Object of the Invention (1) Industrial Application Field The present invention provides rust-proofing on the underside of a completed vehicle with front and rear wheels installed while transporting the vehicle. The present invention relates to a method and apparatus for transporting and painting finished vehicles for painting wax.

(2) Prior Art Conventionally, a technique for coating a completed vehicle with anti-rust wax is known, for example, from Japanese Patent Application Laid-Open No. 62-237961.

(3) Problems to be Solved by the Invention However, in the conventional method described above, anti-rust wax is applied to the underside of the completed vehicle being conveyed by a continuous conveyor. It is necessary to accurately position the completed vehicle on the conveyor, and when the completed vehicle is transferred from the loading stage to the continuous conveyor, the completed vehicle is positioned using a positioning jig provided on the transfer lid. However, such conventional methods require complicated control such as continuous conhair and synchronization of the coating machine.

The present invention has been made in view of the above circumstances, and it is an object of the present invention to provide a conveying and painting method and apparatus for a completed vehicle, which enables sufficient application of anti-rust wax to the underside of the completed vehicle through simple control. shall be.

B8 Structure of the Invention (1) Means for Solving the Problems The method of the present invention includes a transportation process in which a completed vehicle is transported intermittently, and a coating robot that coats the underside of the vehicle with anti-corrosion wax once the vehicle is stopped during transportation. It is characterized by having a painting process.

The device of the present invention also includes a conveying means that has a front wheel holder and a rear wheel holder on which the front wheels and rear wheels of a completed vehicle can be placed and is capable of conveying a completed vehicle, and an intermittent drive that can drive the conveying means intermittently. means, a fixing means provided on at least one of the front wheel holder and the rear wheel holder and capable of fixing the wheels to the holder, and a fixing means disposed in the middle of the conveying means for coating the underside of the completed vehicle with anti-rust wax. The first feature is that the painting robot is equipped with a painting robot.

Further, in the device of the present invention, the front wheel holder and the rear wheel holder are provided on the conveying means so as to support the front wheels and the rear wheels such that their lowest positions are located below the upper surface of the conveying means. 2.

(2) Effects According to the above-mentioned method of the present invention, since anti-rust wax is applied to the underside of the completed vehicle once it is stopped during intermittent transport, complex control such as synchronization between the transport means and the painting robot can be performed. No longer needed.

Furthermore, according to the first feature of the apparatus of the present invention, the completed vehicle can be temporarily stopped in the middle of the conveyance due to the intermittent conveyance of the conveying means by the intermittent drive means, and then the completed vehicle can be painted by the painting robot placed at the stopping position. Since it is possible to apply anti-rust wax to the lower surface of the holder, the method of the present invention described above can be easily carried out.

Furthermore, according to the second feature of the device of the present invention, the lower surface of the completed vehicle can be brought close to the conveyance means, so that when applying the anti-corrosion wax, the anti-corrosion wax will not scatter to the outside from between the side sills of the completed vehicle and the conveyance means. By avoiding this as much as possible, it is possible to prevent the anti-rust wax from adhering to the outside surface of the finished vehicle.

(3) Example Below, an example of the present invention will be explained with reference to the drawings. First, in FIGS. 1 and 2, a completed vehicle (2) in a nearly completed state with front wheels Wf and rear wheels Wr installed is shown in FIG. The completed vehicle V is carried into the conveyance painting apparatus 2 by the carry-in device 1, and the underside of the vehicle V is coated with anti-rust wax during conveyance by the conveyance painting apparatus 2.

The carrying-in device 1 includes a carrying-in conveyor 4 that extends linearly and is movable back and forth, and a carrying-in cart 5 that is driven back and forth by the carrying-in conveyor 4. A glue board is provided for transferring the completed vehicle (2) between the vehicle (1) and the conveying/painting device (2). Further, the unloading device 3 includes an unloading conveyor 7 which is arranged to be reciprocally movable on an extension line of the unloading conveyor 4, and an unloading cart 8 that is reciprocally driven by the unloading conveyor 7. A glue 9 is provided for transferring the completed vehicle (2) between the conveyance coating device 2 and the unloading device 3.

The conveyance painting device 2 performs a conveyance process in which the completed vehicle (■) is intermittently conveyed between the loading device 1 and the unloading device 3, and a painting process (in which anti-rust wax is applied to the underside of the completed vehicle (■) when the completed vehicle (■) is once stopped). A plurality of front wheel holders 10, 10... and a plurality of rear wheel holders 11, 11, .・A pair of slat conhairs 12.12 as a conveyance means capable of conveying the completed vehicle
Equipped with an intermittent drive means 13 capable of intermittently driving both slat conveyors 12.12, and a painting robot 14 disposed midway between the slant conveyors 12.12 to apply anti-rust wax to the underside of the completed vehicle (■), Front wheel holder 10.10...
* also serves as a fixing means that can fix and release the front wheel Wf.

Referring to FIGS. 3 and 4 together, the two slats [conhairs 12, 12] are arranged with an interval larger than the width of the completed vehicle V on the left and right, and are made of a plurality of plate materials. It is constructed by connecting in an endless manner.

These slat conhairs 12.12 are movably supported by a frame 15 fixedly arranged on the floor. That is, each slat conveyor 12 has first and second running rollers 16.17 pivotally supported at a plurality of positions spaced apart in the running direction, and the frame 15 has first and second running rollers 16.17 that guide the running rollers 16.17. The first and second guide rails 18, 19 are arranged in an endless manner.

The intermittent drive means 13 includes a drive sprocket 20 rotatably supported at the end of one example of the carry-in device of the frame 15 and connected to an intermittent drive morph (not shown), and an end of the frame 15 on the side of the carry-out device 3. A driven sprocket 21 is rotatably supported at a portion thereof, and an endless chain 22.22 is wound around both sprockets 20.21 and connected to a slat conveyor 12.12. An endless third guide rail 24 is fixed to the frame 15 to guide the plurality of rollers 23 included in each chain 22.

Each front wheel receiver 10 is disposed on the corresponding inner side of the slant conhairs 12, 12. This front wheel holder 10 is
A support plate 25 is formed in a rectangular shape on a plane perpendicular to the running direction of each slant con hair 12 and is fixed to the lower part of the inner side of each slant con hair 12; A pair of sleeves 27 and 27 are supported by a bracket 26 so as to be openable and closable. Both stoppers 27
27, the bracket 26 is attached to the bracket 26 by a support shaft 28, 28 which is formed in an abbreviated shape in a plane parallel to the running direction of the slat conhair 12 and has an axis parallel to the axis of the front wheel Wf in the completed vehicle (2). supported. i.e. Ryosu)
＞/<27.27 is the front wheel W at the upper end as shown in Figure 4.
There is a closed position where the front wheel wf-10= is fixed to the slat con-hair 12 with the front wheel Wf placed on it, and a closed position in which the front wheel Wf is fixed to the slat con-hair 12 by rotating the upper ends in directions away from each other as shown in FIG. It is rotatably supported by the bracket 26 between an open position and an open position where the state is released.

Further, rollers 29 are each pivotally supported on both stoppers 27, 27, and a fourth guide rail 30 is provided on the upper part of the frame 15 to guide the rollers 29 of both stoppers 27 and 27 in the closed position. Fixedly installed along the running direction. Therefore, the roller 29 is the fourth
While rolling along the guide rail 30, both stoppers 27, 27 are held in the closed position.

A position corresponding to the front wheel Wf when transferring the completed vehicle ■ from the carrying-in device 1 to the conveying and painting device 2, and a position corresponding to the front wheel wr when transferring the completed vehicle V from the conveying and painting device 2 to the carrying-out device 3. A part of the fourth guide rail 30 is
The lift rail 30a is separated so that it can be moved up and down, and a lift driving means 31 for driving the lift rail 30a up and down is provided on the frame 15.

This elevating drive means 31 has the elevating rail 30 at its upper end.
an elevating body 32 that can be raised and lowered by fixing the elevating body 32, a pair of elevating guide rails 33, 33 provided on the frame 15 to guide the elevating and lowering operations of the elevating body 32;
, 33, and a cylinder 3 that is swingably supported by a bracket 34a provided at the tip of the support arm 34 via a support pin 35.
6 and a link 37 whose upper end is connected to the lower part of the elevating body 32
and a swing arm 38 which is swingably supported by the support arm 34, with one end connected to the lower end of the link 37 and the other end connected to the tip of the piston Y36a in the cylinder 36.

A plurality of horizontal guide rollers 39 and a plurality of vertical guide rollers 40 that roll along the elevating guide rails 33, 33 are pivotally supported on the elevating body 32.

Further, the cylinder 36 is supported by the support arm 34 with its axis substantially horizontal in its extended operating state. Furthermore, the swing arm 38
is formed into a substantially "<" shape, and the middle part is the support shaft 4.
It is swingably supported by the support arm 34 via I.

According to such an elevating drive means 31, when the cylinder 36 is extended, the elevating rail 30a is moved to the fourth position.
It is on the same level as the guide rail 3o, and in this state the stoppers 27, 27 on the front wheel receiver 1o are in the closed position as shown in FIG. Further, when the cylinder 36 is contracted, the swing arm 38 is moved as shown in FIG.
rotates, and the elevating body 32 descends accordingly, so the elevating rail 30a descends and both stompers 27, 27-13
= rotates around the support shaft 28.28 and becomes the open position.

The rear wheel holder 11 is fixedly installed on the inner side of both slat conhairs 12.12 at a position corresponding to the rear wheel Wr of the completed vehicle ■ in which the front wheel Wf is received by the front wheel holder 10. It is formed in the same shape as the support plate 25 in the front wheel holder 10. Moreover, the front wheel holder 10 and the rear wheel holder 11
The slat conveyor 12 is in a state where it receives the front wheel Wf and the rear wheel Wr, and the lowest portions of the wheels W f and W r are located below the upper surfaces of both slat conveyors 12 and 12. are arranged respectively.

The two slat conveyors 12 and 12, which are driven intermittently by the intermittent drive means 13, move the completed vehicle (1) transferred from the carrying-in device 1 to the transferring position to the carrying-out device 3 with, for example, two temporary stops in between. As shown in FIG. 6, a painting robot 14 is disposed between the two slat conhairs 12 and 12 at a portion corresponding to at least one stop position during the conveyance. . This painting robot l-
14. - Dispense anti-rust wax toward the underside of the completed vehicle (1) which is in a stopped state.

Next, to explain the operation of this embodiment, the completed vehicle (2) to be coated with anti-corrosion wax is transported by the carry-in device 1 to the coating device 2 while being lifted up by the lifter 6.
It is transported to the end of the carry-in bag Nl side. At this time, in the conveying coating device 2, the slat converter 12, 12 is activated so that the front wheel holder 10 and the rear wheel holder 11 are in positions corresponding to the front wheels Wf and rear wheels Wr of the completed vehicle (2), and the slat converter 12.12 is on standby. are doing. In addition, by the operation of the elevating drive means 31, the elevating body 3
2 has been lowered, and both stoppers 27, 27 have rotated to the open position. By carrying the finished vehicle ■ to the end of the conveying and painting device 2 using the carry-in device 1 with the stoppers 27 and 27 in the open position, parts located at the bottom of the finished vehicle ■, such as pine I to guard It is possible to prevent the stoppers 27, 27 from coming into contact with 42 or the like.

When the completed vehicle ■ is carried in to a predetermined position, the stoppers 27, 27 are rotated to the closed position by the lifting drive means 31, and in this state, the completed vehicle ■ is lowered by the lifter 6 of the carrying device 1, and the completed vehicle (2) is placed on both stoppers 27, 27 of the front wheel holder 10 and on the rear wheel holder 11. Moreover, the lower part of the front wheel Wf has a stopper 27.
It is in a state of being pinched at 27, and the slat con hair 1
2.12, the completed vehicle (2) starts to be transported when the slat conhair 12.12 starts transporting.

When the completed vehicle ■ transported by the slant conveyor 12.12 once stops at the position corresponding to the painting robot 14, the painting robot 14 operates according to the preset progera 1, and the completed vehicle ■ Rust-preventing wax is applied to the desired location on the underside.

Since anti-corrosion wax is applied to the finished vehicle in a stopped state in this way, complex control such as synchronized control between the slat conhairs 12, 12 and the painting robot 14 is unnecessary, and the painting robot 14 has been used for a long time. It only needs to be simple to operate.

Also, when painting by such a painting robot 14, the front wheel Wf supported by the front wheel holder 10 and the rear wheel holder 11
And the bottom of the rear wheel Wr is both slat con hair 1.2
．． It is located below the upper surface of 12. Therefore, it is possible to reduce the distance between the bottom surface of the finished vehicle (■) to which the anti-rust wax is applied and the top surface of the slat conhair 12.12, and the anti-rust wax discharged from the painting robot 14 is It is possible to prevent as much as possible from scattering the wax to the outside from the gap between the lower surface and the slat con hair 12.12, and therefore to prevent the outside surface of the completed vehicle from being contaminated by the rust-proofing wax that has been scattered to the outside. can be avoided.

After the completion of painting, when the completed vehicle V is transported to the end of the conveying and painting device 2 on the side of the unloading device 3, the completed vehicle V is unloaded by following the reverse procedure of transferring from the loading device 1 to the conveying and painting device 2. The completed vehicle (■) is transferred to the device 3, and after the painting is completed, it is carried out.

In the above embodiment, the front wheel holder 10 also has the function of a fixing means, but it is also possible to make the front wheel holder have the same structure as the rear wheel holder 11 and provide the fixing means on the front wheel holder. good. Further, the fixing means may be provided on at least one of the front wheel holder and the rear wheel holder.

Effects of the C0 Invention As described above, the method of the present invention includes a transport process in which a completed vehicle is transported intermittently, and a painting process in which a coating robot applies anti-rust wax to the underside of the vehicle when the vehicle is stopped once during transport. Therefore, it becomes unnecessary to perform complicated control such as synchronization between the conveyance means and the coating robot, and the coating with the anti-rust wax becomes easy.

The apparatus of the present invention according to the first feature also includes a conveying means capable of conveying a completed vehicle, which has a front wheel holder and a rear wheel holder on which the front wheels and rear wheels of a completed vehicle can be placed, and a conveying means that is capable of transporting the completed vehicle intermittently. a drivable intermittent drive means; a fixing means provided on at least one of the front wheel holder and the rear wheel holder and capable of fixing the wheels to the holder; Since the painting robot is disposed in the middle of the means, the completed vehicle can be temporarily stopped in the middle of transportation due to the intermittent transportation of the transportation means by the intermittent drive means, and the painting robot placed at the stopping position can be used. It is now possible to apply anti-rust wax to the underside of the completed vehicle.
The method of the present invention described above can be carried out appropriately.

Furthermore, according to a second feature of the device of the present invention, the front wheel holder and the rear wheel holder are configured to support the front wheel and the rear wheel so that their lowermost portions are located below the top surface of the conveying means. Since the anti-rust wax is installed in the means, the gap between the underside of the completed vehicle and the conveying means is made small, and when the anti-rust wax is applied, it is avoided as much as possible from scattering the anti-rust wax to the outside from the gap. It is possible to prevent wax from adhering to the outer surface of a completed vehicle.

[Brief explanation of the drawing]

The drawings show one embodiment of the present invention; FIG. 1 is a general plan view, FIG. 2 is a side view of FIG. 1, and FIG. 3 is a side view of FIG.
A longitudinal sectional view of the conveying coating device along the line ■-■ in the figure, Figure 4 is a view taken along line IV-IV in Figure 3 with the stopper in the closed position, and Figure 5 is a view with the stopper in the open position. FIG. 6 is an enlarged sectional view taken along the line Vl--Vl in FIG. 2, and FIG. 6 is a diagram corresponding to FIG. 4 in this state. 2... Transport coating device, 10... Front wheel holder, 11...
- Rear wheel support, 12... Slat conveyor as a conveyance means, 13... Intermittent drive means, 14... Painting robot, ■... Completed vehicle, Wf... Front wheel, Wr... Rear Applicant: Honda Motor Co., Ltd.
Daido Kogyo Co., Ltd.

Claims (3)

[Claims] (1) In the transportation painting method for a completed vehicle, in which anti-rust wax is applied to the underside of the vehicle while the completed vehicle is being transported in a nearly completed state with front and rear wheels installed, the completed vehicle is intermittently transferred. 1. A method for transporting and painting a completed vehicle, comprising a transporting step of transporting the vehicle, and a painting step of painting the underside of the vehicle with anti-corrosion wax using a coating robot once the vehicle is stopped during the transport. (2) In a completed vehicle conveying and painting device for painting an anti-corrosion wax on the underside of a completed vehicle while conveying a nearly completed completed vehicle with front and rear wheels attached, the front and rear wheels of the completed vehicle are A transport means capable of transporting a completed vehicle having a front wheel support and a rear wheel support on which wheels can be placed, an intermittent drive means capable of intermittently driving the transport means, and said front wheel support and rear wheel support. The present invention is characterized by comprising a fixing means provided on at least one of the carriers and capable of fixing the wheels to the receiver, and a coating robot disposed midway along the conveyance means for coating the underside of the completed vehicle with anti-rust wax. Transport and painting equipment for completed vehicles. (3) The front wheel support and the rear wheel support are provided on the conveyance means to support the front wheels and the rear wheels such that the lowest parts thereof are located below the upper surface of the conveyance means. The conveying and painting device for completed vehicles as described in (2) above.