JP2002035672A - Coating system and arrangement structure of coating system - Google Patents

Abstract

(57) [Summary] [Problem] A first object is to facilitate installation in a coating plant, shorten a construction period, and save capital investment costs, and a second object is that paint adheres to a transfer line side. Is to be able to prevent SOLUTION: At least a coating module 201 for undercoating and a coating module 203 for topcoating are arranged in series along a transfer line 10 from among coating types of undercoating, intermediate coating, and topcoating in order of painting. The coating module is a coating casing 21 forming a coating room.
And a coating device 22 disposed in the coating room, and a work K in which the coating is completed while taking in the work K in the coating room.
And a work moving device A for discharging the workpiece.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates to a coating system and an arrangement structure of the coating system.

[0002]

2. Description of the Related Art In a conventional coating system, for example, as shown in FIG. 17, in a factory building 99, a conveyor 100 is moved along the trajectory of a transfer line, and a work K is attached to a work holder 101 provided on the conveyor 100. The work K is coated by a coating device 104 in a coating room 103 provided so as to surround the conveyor 100 by a coating casing 102.

[0003] The inlet 102a and the outlet 1 of the coating chamber 103
02b has openings 105 through which the work K can pass.
a and 105b are provided.

[0004]

As described above, the factory building 9
9, the coating room 10 surrounds the conveyor 100.
Because of the provision of 3, there is a need to carry out the installation work of the transport line in the painting factory, and then to carry out the construction of the painting equipment, resulting in a problem that the construction period is lengthened and the capital investment cost is increased.

Further, since the work K is coated by the coating apparatus 104 in the coating room 103 through which the conveyor 100 passes, the paint adheres to the conveyor 100 and the work holder 101, and the large-scale conveyor 100 and the work holding member are held. It is necessary to clean the entire tool 101, which makes maintenance work cumbersome and costly.

[0006] The present invention has been made in view of such circumstances, and a first object is to facilitate installation at a paint shop, shorten the construction period, and reduce capital investment costs. Another object of the present invention is to prevent paint from adhering to the transport line side.

[0007]

Means for Solving the Problems In order to solve the above problems and achieve the object, the present invention has the following constitution.

According to the first aspect of the present invention, there is provided a coating module for at least one of the following undercoating, intermediate coating, and topcoating:
The coating module for the top coat is arranged in series in the order of coating, and the coating module takes in a coating casing constituting a coating room, a coating device arranged in the coating room, and a work in the coating room, and the coating is completed. A coating system, comprising: a work moving device configured to discharge a work. ].

According to the first aspect of the present invention, the installation work of the coating module can be performed in parallel during the construction of the transfer line, the construction can be shortened, and the capital investment cost can be reduced.
In addition, since the transfer line is located outside the coating module, the work can be taken into the coating chamber, the work that has been coated can be discharged, and a plurality of coatings can be sequentially applied to the work.

According to a second aspect of the present invention, there is provided the coating system according to the first aspect, wherein the transport lines are arranged in a U-shape or a U-shape. ].

According to the second aspect of the present invention, during the construction of the transfer line, the installation work of the coating module can be performed in parallel, the construction can be shortened, and the capital investment cost can be reduced.
Further, a plurality of coatings can be sequentially applied to the work, so that the degree of freedom in arranging the coating system is increased and the space can be effectively used.

According to a third aspect of the present invention, there is provided a method as described above, wherein a plurality of coating modules for performing coating with the same specification are arranged along a transport line in at least one of the coating types. The coating system according to claim 1 or 2, wherein ].

According to the third aspect of the present invention, during the construction of the transfer line, the painting module can be installed in parallel, the construction can be shortened, and the capital investment cost can be reduced.
Further, a plurality of coatings can be sequentially applied to the work, and the coating time can be shortened by using a plurality of coating modules for coating types that require time for coating.

According to a fourth aspect of the present invention, a plurality of coating modules for performing coating with different specifications in at least one of the coating types are provided.
2. The apparatus according to claim 1, wherein the apparatus is arranged along a transport line.
Or the coating system according to claim 2. ].

According to the fourth aspect of the present invention, the installation work of the coating module can be performed in parallel during the construction of the transfer line, the construction can be shortened, and the capital investment cost can be reduced.
In addition, it is possible to mix workpieces having different required coating specifications on a transport line.

According to a fifth aspect of the present invention, there is provided a method for transporting a coating of one coating type comprising a plurality of coating modules to a workpiece in a predetermined number of coating modules at predetermined intervals in a plurality of coating modules. The work is taken in from the line, the coating is performed, and then the work is returned to the transport line.In the transfer line, the predetermined number of unpainted works are supplied to the vicinity of the coating module at the predetermined time intervals, and the predetermined time period is set. 4. The coating system according to claim 3, wherein the predetermined number of the painted workpieces are carried out from the vicinity of the coating module every time. ].

According to the fifth aspect of the present invention, the work is transferred in synchronization with the plurality of coating modules on the transfer line, so that the coating time can be reliably reduced.

According to a sixth aspect of the present invention, there is provided a method wherein a painted work is carried out at a predetermined time on a transfer line to a next process, and an unpainted work for a paint of a paint type to be carried out from now on. 5. The coating system according to claim 4, wherein the transfer line is controlled to transfer the workpiece to a vicinity of a coating module that performs a coating specification required for the work. ].

According to the sixth aspect of the present invention, the work is transferred in synchronization with the plurality of coating modules on the transfer line, so that works having different required coating specifications can be mixedly loaded on the transfer line. At the same time, the coating time can be reduced.

According to a seventh aspect of the present invention, there is provided a method according to any one of the first to sixth aspects, wherein a plurality of coating modules are arranged in series in the order of coating on one side of the transport line along the transport line. A coating system as described in. ].

According to the seventh aspect of the present invention, the length of the transport line is increased, but the space of the coating system in a direction perpendicular to the transport line can be reduced.

[0022] The invention according to claim 8 is that the plurality of coating modules are arranged in series in the coating order on both sides of the transport line along the transport line. The coating system according to the item. ].

According to the eighth aspect of the present invention, the space of the coating system in the direction perpendicular to the transport line is increased, but the length of the transport line can be reduced.

According to a ninth aspect of the present invention, there is provided an image forming apparatus comprising: two coating systems according to the seventh aspect are arranged in parallel, and the respective transport lines of the two coating systems are arranged adjacent to a central portion; A coating system layout structure in which a plurality of coating modules of each coating system are arranged. ].

According to the ninth aspect of the present invention, in the two coating lines, the work holding device on the upstream side and the work holding device on the downstream side of the transport line can be concentrated to reduce the space.

According to a tenth aspect of the present invention, there is provided a method according to the first aspect, wherein the two coating systems according to the first or sixth aspect are arranged in parallel, and at least a part of each of the transport lines of both the coating systems is spaced apart from each other. The arrangement structure of the coating system, wherein a coating module of each coating system is arranged in a central portion of the separated arrangement portion. ].

According to the tenth aspect of the present invention, since the coating modules of the two coating lines can be concentrated between the transfer lines, the management of the coating modules becomes easy. Further, the cleaning system and the ventilation system can be concentrated, and the equipment cost can be reduced. Further, even if the paint scatters from the coating module, the influence on the work on another transfer line is small.

According to an eleventh aspect of the present invention, the coating module of each coating system is staggered in the center of the separated arrangement section, and the distance between the transport lines in the separated arrangement section is determined by the coating module of each coating system. The arrangement structure of the coating system according to claim 10, wherein the sum is smaller than the sum of the sizes from the transfer line. ].

According to the eleventh aspect, the space can be effectively used in arranging the coating system, and a compact arrangement can be achieved.

[0030]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, embodiments of a coating system according to the present invention will be described in detail with reference to the drawings, but the present invention is not limited to this embodiment.

FIG. 1 is a diagram showing an arrangement structure of the coating system. Coating modules 201, 202, 20 for undercoating, intermediate coating, and topcoating are provided along the transport line 10.
Reference numerals 3 are arranged in the moving order of the workpieces. Each of the coating modules 201, 202, and 203 includes a coating section B and a work moving device A disposed inside and outside the coating section B, and at least a coating module 20 for undercoating of each coating type.
1 and a coating module 203 for overcoating are arranged in series in the order of coating.

As described above, along the main transport line 10,
By arranging the coating modules 201, 202, and 203 for undercoating, intermediate coating, and topcoating in this order, the coating modules 201, 202,
Installation work of 202 and 203 is possible, work can be shortened, and capital investment costs can be saved.

The coating modules 201, 202, 2
03 has a coating section B and a work moving device A, and the transport line 10 is located outside the coating modules 201, 202, and 203. In addition, the workpiece that has been painted can be discharged, and a plurality of paintings can be sequentially applied to the workpiece.

Next, the structure of the coating modules 201, 202 and 203 for undercoating, intermediate coating and topcoating will be described in detail. These modules have a coating section B and a work moving device A and have the same configuration. Therefore, only the coating module 201 for undercoating will be described with reference to FIGS.

First, an embodiment of the coating system will be described with reference to FIGS. FIG. 2 is a perspective view of the coating system, FIG. 3 is a schematic configuration diagram of a work holding device, FIG. 4 is a schematic configuration diagram showing operations of a coating line and a coating module of the coating system, and FIG. 5 is a timing chart of operation of the coating system. FIG. 6 is a schematic configuration diagram of a cleaning system of the coating module.

The coating system includes a transport line 10 and a coating module 201. Transport line 1
0 indicates that the work K can be moved along the trajectory. The work K on the transfer line 10 that enables the work K to move along the trajectory, and the work K painted by the coating device 22 arranged in the painting section B of the painting module 201 arranged adjacent to the transfer line 10 There is provided a work moving device A for exchanging the work.

In the transport line 10 of this embodiment, the conveyor 11 can be moved along the track, and the work support 12 is placed on the conveyor 11 and the work support 1
The work K is supported by 2. The work support 12 may be fixed to the conveyor 11 or may be detachable.
In addition, the transport line 10 may be one in which the independent work support 12 moves or moves independently of the conveyor 11 along the track.

The transfer line 10 is accommodated in a storage chamber 14 constituted by a transfer casing 13.
4 is provided with a ventilation device 15. Ventilation device 15
Has an exhaust duct 15a, an exhaust fan 15b, and a processing device 15c, and the accommodation chamber 1 is driven by the exhaust fan 15b.
Air in the exhaust duct 15a through the processing device 15c.
Exhausted from outside. The processing device 15c is provided with a filter 15d that captures and separates an organic solvent that is a thinning solution of the paint. Since the outflow of the organic solvent can be reduced as described below, the installation of the processing device 15c may be cancelled.

The coating module 201 is mounted on the transport line 10
And along the transport line 10. The coating module 201 includes a coating casing 21.
, A coating device 22, a work holding device 23, and a cleaning device described below. The coating casing 21 forms a coating chamber 25 independent of the transport line 10. In the coating chamber 25, a coating device 22, a work holding device 23,
A cleaning device is arranged. The work holding device 23 and the work moving device constitute a work transfer device for painting.

A ventilation device 26 is provided on a floor member 21 a of the coating casing 21, which will be described later, in the accommodation room 14.
5 and independently. The ventilation device 26 has an exhaust duct 26a, an exhaust fan 26b, and a processing device 26c. When the exhaust fan 26b is driven, the air in the coating chamber 25 passes through a ventilation port 26i provided on the floor, and from the exhaust chamber 26e to the processing device 26c. Through the exhaust duct 26a. The processing device 26c is provided with a filter 26d for capturing and separating the organic solvent.

By ventilating the coating room 25 with the ventilation device 26, the ventilation device 15 in the storage room 14 can reduce the amount of mist-like paint leaking from the coating casing 21 through the opening 28 described below. Clogging due to the organic solvent can be prevented, and it can be used up to the original organic solvent adsorption capacity. Note that the amount of the organic solvent leaking through the opening 28 can be reduced. The outside air whose temperature and humidity have been adjusted is introduced into the coating room 25 from the ceiling of the coating casing 21.

The coating device 22 is disposed in a coating room 25, and applies a coating material to a work K held by a work holding device 23 located at a coating position by a coating robot 22a. The work holding device 23 and the exchange moving device 30 constitute a work moving device A.

As shown in FIGS. 2 and 3, the work holding device 23 includes a driving portion 23f, a main arm 23a, and a sub arm 2a.
3b and 23c and work holders 23b1 and 23c1. The main arm 23a is rotatable or rotatable about an axis separated from the work holders 23b1 and 23c1 in the driving unit 23f. Secondary arm 23b, 23c
Is connected to the main arm 23a so as to be rotatable or rotatable around an axis. Work holders 23b1, 23c
Reference numeral 1 denotes a position where the sub-arms 23b, 2c are separated from a central axis of connection between the main arm 23a and the sub-arms 23b, 23c.
3c, the work K is detachable.

The driving section 23f is provided with a main motor M1 for driving the main arm 23a, and the main motor M1 causes the main arm 23a to rotate or rotate about the support shaft 23g as a fulcrum. At both ends of the main arm 23a, independently of the main motor M1, first sub-motors M2 for driving the sub-arms 23b and 23c are arranged. This first sub motor M2
, The sub-arms 23b and 23c can be freely operated with the support shaft 23h as a fulcrum without being restricted by the rotation or rotation of the main arm 23a.

At both ends of the main arm 23a, independent of the main motor M1 for driving the main arm 23a, a second sub motor M for driving the work holders 23b1 and 23c1 is provided.
3 are arranged. The work holders 23b1 and 23c1 can be freely operated via the belts 23i and 23j without being restricted by the rotation or rotation of the main arm 23a by the driving of the second sub motor M3.

The work holders 23b1, 23c1
Can be rotated or rotatable around the axis of the support shaft 23h with respect to the sub-arms 23b and 23c.
, And by rotating or rotating the work holders 23b1 and 23c1, the outer periphery of the work can be easily and reliably painted.

The work holding device 23 is connected to the main arm 2.
The sub-arms 23b, 23c are pivotally or rotatably connected to the support arm 23h around the support shaft 23h, and the sub-arms 23b, 23c are located at positions separated from the connection center axis of the main arm 23a and the sub-arms 23b, 23c. 23c, a workpiece holder 23b, 2 on which the workpiece is detachable.
3c, when the main arm 23a rotates or rotates,
By rotating and placing the sub-arms 23b and 23c near the main rotation center axis, the inertial mass around the main rotation center axis can be reduced, so that the rotation or the start and stop of the main arm 23a are promptly performed. be able to.

The main arm 23a has work holders 23b1 and 23c1 at a plurality of positions on the same circumference from the rotation center axis, and can hold a plurality of works on the main arm 23a. The amount of work stored on the line 10 can be reduced.

The coating casing 21 is provided with an opening / closing door 27 for dividing the coating chamber 25 and the transport line 10. The opening 28 is closed by the opening / closing door 27 during coating by driving a door opening / closing device (not shown). ing.

The exchange moving device 30 is a robot, and the outdoor turntable 31 having the loaders 31a and 31b turns by 90 degrees so that the work at the work change position and the work on the transfer line can be exchanged.

Next, the operation of the coating system according to this embodiment will be described with reference to FIGS.

In FIG. 4A, the coating casing 21
The opening 28 is closed by the opening / closing door 27, the coating device 22 is driven in the coating room 25, and the coating robot 22a holds the sub-arm 23c of the work holding device 23 to apply the coating material to the work K3 located at the coating position P1. Start painting to apply. The coating is performed by rotating the work K3 by 90 degrees by the work holder 23c1 of the sub arm 23c at a predetermined timing, and applying the paint to the entire work K3.

On the other hand, the outdoor turntable 31 of the exchange moving device having the loaders 31a and 31b is turned by 90 degrees, and the work reloading position P2 outside the closed door 27 is closed.
Work K of the work holder 23b1 located at
1, the loader 31a extends and lifts (lifts up) and engages (hanger chuck), while the loader 31b extends and lifts the unpainted work K2 held by the work support (pallet) 12 on the transport line 10. (Lift up) and engage (hanger chuck).

Thereafter, the outdoor rotating table 31 of the exchange moving device 30
Is rotated by 180 degrees, and the unpainted work K2 on the work holder 23b1 located at the work change position P2 is lowered (lifted down) by the loader 31b and disengaged (hanger unchuck) from the loader 31b. On the other hand, the work K1 painted on the work support (pallet) 12 is similarly transferred from the loader 31a. Further, after this, the outdoor turntable 31 turns 90 degrees,
The state shown in FIG.

In FIG. 4B, the painted work K
4 is moved in the direction of the next process section (pallet positioning release and pallet feed), the opening / closing door 27 is opened, and the painting continued from FIG. Eventually complete.

The work support (pallet) 12 holding the unpainted work K2 is sent from the pre-process section to a predetermined position (pallet positioning), and the state shown in FIG. 4C is obtained. In FIG. 4C, the sub arm (sub arm) 23b holding the unpainted work K2 is turned by 90 degrees, and the unpainted work K2 held by the work holder 23b1 passes through the opening 28 and is placed on the work. It moves from the replacement position P2 to the middle position P3, and the state shown in FIG.

In FIG. 4D, the main arm (index) 23a rotates by 180 degrees, and the positions of the sub arm 23b holding the unpainted work K2 and the sub arm 23c holding the painted work K3 are switched. That is, the painted work K3 moves to the painting position P3, and the unpainted work K2 moves to the painting position P1, and the state shown in FIG.

In FIG. 4E, the sub arm 23c is
After turning 80 degrees, the painted work K3 moves from the middle position P3 to the work replacement position P2.
7 is closed, painting is started, and the state returns to the state shown in FIG.

The work holder 23b1 or the work holder 23c1 to be located at the painting position P1.
Has 9 workpieces, each of which is turned three times during painting.
Rotate by 0 degrees. As a result, the work can be divided into four times, and the entire circumference of 360 degrees can be painted through the painting on four sides at 90 degrees. Paint, swirl, paint, swirl, paint, swirl,
After the coating of the entire circumference is completed by the coating, a sub-arm (sub-arm) 23b for moving the unpainted work K2 shown in FIG. 4C from the work transfer position P2 to the intermediate position P3 through the opening 28. The work holder 23c1 of the other sub-arm (sub-arm) 23c is also rotated 90 degrees simultaneously with the 90-degree rotation of the work holding device 23 or during the 180-degree rotation of the work holding device 23.
Rotated by degrees.

The timing chart of FIG. 5 illustrates the above contents. The work K2 before painting on the transport line 10 is moved to the painting position P1 via the work replacement position P2 and the intermediate position P3, and the completed work K3 at the painting position P1 is moved to the intermediate position P3 and the work replacement position P2.
And moves onto the transport line 10 via the. In the timing chart, the painting of the fourth side of the work K is completed.
The opening operation of the opening and closing door 27 is started two seconds before, and the opening and closing door 27 is fully opened almost at the same time as the end of the painting. This makes it possible to reduce the cycle time even if a slightly mist of paint flows out of the opening 28.

The opening 28 may be replaced with an air curtain which is always closed or closed only when the work K passes.

As described above, the work moving device A moves the work holder 23b between the painting position P1 and the work changing position P2 at which the work can be detached from the work holder.
A work holding device 23 having a main arm 23b that is rotatable or rotatable around an axis separated from the first and second 23c1
And a replacement moving device 30 that enables the work at the work transfer position P2 to be replaced with the work on the transfer line 10. By simply rotating or rotating the main arm 23a, the work is moved to the painting position P1. Since the work can be moved to and from the work change position P2 where the work can be detached from the work holding device, quick movement is possible.

Next, in order to make the coating system shown in FIG. 5 easier to understand, the position of the ventilator 26 is changed and shown. The cleaning system will be described with reference to FIG.

The coating module 201 includes the cleaning device 24
The washing device 24 is provided with a coating casing 21.
And a water curtain 24a that allows the washing water to flow down along the four inner walls. The washing water that flows down like a waterfall is collected in the discharge groove 24b. Discharge groove 24
b is formed on the lower side of the coating casing 21 and
The washing water collected in b is guided to the separation tank 24d via the discharge pipe 24c. The washing water stored in the separation tank 24d is sent from the supply pipe 24f to the upper part of the four inner walls of the coating casing 21 by the driving of the circulation pump 24e.
The washing water overflows from g and flows down along the four inner walls. The mist-like paint sprayed from the painting device 22 and reaching the inner walls on the four sides is washed away with the washing water.

A dispersant 90 is added to the separation tank 24d, and the dispersant 90 makes the paint in the wash water non-adhesive and dispersed. The washing water in the separation tank 24d is driven by a separation pump 91 via a circulating pipe 92 to drive the centrifuge 9
3, and the paint residue 94 is separated by the centrifugal separator 93.

The exhaust chamber 26e has a drain plate 26h.
Are disposed to prevent moisture from entering the exhaust duct 26a by driving the exhaust fan 26b.

Next, based on FIG.
An embodiment will be described. FIG. 7 is a schematic configuration diagram of the coating system.

The coating system 1 of this embodiment is similar to the coating system shown in FIG.
6 are denoted by the same reference numerals as those in FIG.

In this embodiment, two coating apparatuses 2
2, 22 ', and the coating robots 22a, 22
a 'is switched and used according to the coating specification, that is, the required coating color or paint type.

FIG. 8 illustrates another embodiment of the coating system. This embodiment is configured in the same manner as the embodiment of FIG. 1, but in the embodiment of FIG. 1, coating modules 201 and 202 for undercoating, intermediate coating, and topcoating are provided along a single transport line 10. , 203 are arranged in the order in which the workpieces move, whereas in the embodiment of FIG. 8, along the plurality of parallel transfer lines 10, the coating modules 201,
202 and 203 are arranged in order.

In the embodiment shown in FIG. 9, the undercoating coating module 201 is provided along both sides of the single transfer line 10.
A, 201B, coating module 202A of intermediate coating,
202B, coating module 203A, 20 for top coating
3B are arranged in order.

As described above, a plurality of coating modules 201 for performing coating with the same specifications in at least one of the coating types of the top coating, the intermediate coating, and the under coating.
A, 201B or 202A, 202B or 203A, 203B are arranged along the transport line 10 so that the coating modules 201A, 201B, 202A, 202B,
The installation work of 203A and 203B can be performed, the work can be shortened, and the capital investment cost can be reduced. In addition, a plurality of coating types can be sequentially applied to the work, and the coating types that require a long time for coating 201A, 201B or 202A, 202B or 203A, 203
By using a plurality of B, the coating time can be reduced.

That is, the top coat of one coating type is
A plurality of coating modules are provided by the coating modules 203A and 203B. Similarly, the intermediate coating and the undercoating are made into a plurality of coating modules by the coating modules 202A and 202B and the coating modules 201A and 201B, respectively.

In each of the coating modules, the work K is taken in from the transfer line 10 at predetermined time intervals, coated, painted and returned to the transfer line 10. In this embodiment, a predetermined number, two in this embodiment, is set as the unit D for feeding, and the unpainted workpiece K is moved to the vicinity of the corresponding number of coating modules of the next coating type. As described above, since the work K is transferred in synchronization with the plurality of coating modules on the transfer line 10, the coating time can be reliably reduced.

Further, a plurality of coating modules are arranged in series in the coating order on both sides of the transport line 10 along the transport line 10, and the space of the coating system in a direction perpendicular to the transport line 10 becomes large. The length can be shortened.

In the embodiment shown in FIG.
Along the way, undercoating, intermediate coating module 20
1, 202 are arranged in order, and two coating modules 203A, 203B for top coating are provided.
02 is arranged on the same side as the other. Painting module 203
A operates, for example, with the color symbol a or b, and the painting module 203B operates, for example, with the color symbol c or d. When painting with the painting module 203B, the workpiece K passes through the front of the painting module 203A, and passes through the painting module 203A. When painting, the painted work K passes directly in front of the painting module 203B.

As described above, a plurality of coating modules for performing coating with different specifications are arranged along the transport line 10 in at least one of the coating types, and the required coating specifications are defined. Different works K can be mixedly loaded on the transport line 10.

Further, on the transfer line 10, the painted work K is carried out at predetermined time intervals to the next step, and the unpainted work K for the painting of the painting type to be carried out is replaced with this work K. The transport line 10 is controlled so as to be transferred to the vicinity of a coating module for performing the coating specifications required for the above. The transfer line 10 is connected to a plurality of coating modules 201, 202, 203A, and 203B.
Since the work K is conveyed in synchronization with the work, the work K having different required coating specifications can be mixedly loaded on the conveyance line 10, and the coating time can be shortened by the necessity of color change.

Also, along the transport line 10, the transport line 1
A plurality of coating modules 201, 202, 20
3A and 203B are arranged in series in the order of coating, and the length of the transport line 10 is increased, but the space of the coating system in a direction perpendicular to the transport line 10 can be reduced.

In the embodiment shown in FIG.
Along the way, undercoating, intermediate coating module 20
1 and 202 are arranged in order, and two coating modules 203A and 203B for overcoating are arranged on both sides of the transport line 10 so as to face each other. The painting module 203A operates, for example, with the color symbol a or b,
B operates with, for example, the color symbol c or d, and does not operate the painting module 203A when painting with the painting module 203B, and does not operate the painting module 203B when painting with the painting module 203A.

As described above, a plurality of coating modules for performing coating with different specifications are arranged along the transport line 10 in at least one of the coating types, and the required coating specifications are determined. Different works K can be mixedly loaded on the transport line 10.

Further, on the transport line 10, the painted work K is carried out for the next process at predetermined time intervals, and the unpainted work K for the painting of the painting type to be carried out is replaced with this work K. The transport line 10 is controlled so as to be transferred to the vicinity of a coating module for performing the coating specifications required for the above. The transfer line 10 is connected to a plurality of coating modules 201, 202, 203A, and 203B.
Since the work K is conveyed in synchronization with the work, the work K having different required coating specifications can be mixedly loaded on the conveyance line 10, and the coating time can be shortened by the necessity of color change.

Further, a plurality of coating modules 203A and 203B are provided on both sides of the transport line 10 along the transport line 10.
The space of the coating system in the direction perpendicular to the transport line is increased, but the length of the transport line can be shortened.

In the embodiment shown in FIG.
Are arranged in a U-shape. The coating module 201 is arranged outside the bent portion 10a of the transfer line 10,
The coating module 202 is arranged inside and the coating module 203 is arranged outside. This coating module 20
A plurality of coatings can be sequentially applied to the work by 1, 202, and 203, so that the degree of freedom in the arrangement of the coating system is increased and the space can be effectively used. In this embodiment, the transport lines 10 are arranged in a U-shape, but may be arranged in a U-shape.

In the embodiment of FIG. 13, as shown in the plan view of FIG. 13A and the side view of FIG.
And a transport line 10 is arranged over the second floor 51. The work K is transferred from the first floor 50 to the opening 52 by the transfer line 10.
Through to the second floor 51. A plurality of coating modules 201 and 202 are arranged on the first floor 50 along one side of the transport line along the transport line 10, and a coating module 203 is arranged on the second floor 51. Thus, the first floor 50 and 2
A plurality of painting modules 201, 202, 2 over the floor 51
03 are arranged in series in the painting order, and the length of the transport line 10 becomes longer, but the space of the coating system in the direction perpendicular to the transport line 10 can be reduced by using the first floor 50 and the second floor 51.

In the embodiment shown in FIG.
A plurality of coating modules 2 on one side of the transport line 10
Two parallel coating systems including a coating system in which 01, 202, and 203 are arranged in series in the order of painting, and a coating system in which a plurality of coating modules 211, 212, and 213 are arranged in series in the order of painting along one side of the conveying line 110 along the conveying line 110. Has been placed. In both the coating systems, the respective transport lines 10 and 110 are arranged adjacent to the central portion,
A plurality of coating modules 201, 202, 203 and a plurality of coating modules 211, 212, 213 of the respective coating system are arranged on both sides of the central part, and the transfer line 10,
The work holding device on the upstream side and the work holding device on the downstream side of the respective 110s can be concentrated to reduce the space.

In the embodiment shown in FIG.
Are arranged in a U-shape which is turned by the turn part 10b. Under the turn part 10b of the transfer line 10, undercoating and intermediate coating modules 201 and 202 are sequentially arranged, and after the turn part 10b, overcoating is applied. The module 203 and the coating module 204 for laminate coating are arranged in order, and a plurality of coatings can be sequentially applied to the work, so that the degree of freedom in arranging the coating system is increased and the space can be effectively used.

In the embodiment shown in FIG.
And the transfer line 110 are arranged in parallel at a predetermined interval so as to extend toward the wall 220 of the building, and the transfer line 10 and the transfer line 110 are arranged in opposite directions so as not to contact the wall 220 of the building. It is arranged in the shape of a letter.

Between the transfer line 10 and the transfer line 110, the coating modules 201,
02 is arranged, and the coating module 203 is arranged in front of the V-shaped portion 10c of the transport line 10.

On the other hand, between the transport line 10 and the transport line 110, the coating module 21
1 and 212 are arranged, and the V-shaped portion 1 of the transport line 110 is formed.
The coating module 213 is arranged on the rear side of 10c.

As described above, the two coating systems are arranged in parallel, and the respective transport lines 10 and 1 of the two coating systems are arranged.
10 are spaced apart, and the coating module 20 of each coating system is located at the center of the spaced arrangement.
1, 202, and the coating modules 211, 212 are arranged. Since the coating modules 201 and 202 and the coating modules 211 and 212 of the two coating lines 10 and 110 can be concentrated between the transport lines 10 and 110, the management of the coating modules becomes easy. Further, the cleaning system and the ventilation system can be concentrated, and the equipment cost can be reduced. Further, even if the paint scatters from the coating module, the influence on the work on another transfer line is small.

Further, the coating modules 201 and 202 and the coating modules 211 and 212 of the respective coating systems are staggered at the center of the separated arrangement section, and the distance c1 between the transport lines in the separated arrangement section is determined by the respective coating systems. Size a1, b1 from the transfer line of the coating module
, The space can be effectively used in the arrangement of the coating system, and a compact arrangement is possible.

Further, the transfer lines 10 and 110 are arranged in a square shape, and a plurality of coatings can be sequentially applied to the work, so that the degree of freedom in the arrangement of the coating system is increased and the space can be effectively used. .

[0094]

As described above, according to the first aspect of the present invention, the installation work of the coating module can be performed in parallel during the construction of the transfer line, the construction can be shortened, and the capital investment cost can be reduced. . In addition, since the transfer line is located outside the coating module, the work can be taken into the coating chamber, the work that has been coated can be discharged, and a plurality of coatings can be sequentially applied to the work.

According to the second aspect of the present invention, during the construction of the transfer line, the installation work of the coating module can be performed in parallel, the construction can be shortened, and the capital investment cost can be reduced. Further, a plurality of coatings can be sequentially applied to the work, so that the degree of freedom in arranging the coating system is increased and the space can be effectively used.

According to the third aspect of the present invention, during the construction of the transfer line, the installation work of the coating module can be performed in parallel, the construction can be shortened, and the capital investment cost can be reduced. Further, a plurality of coatings can be sequentially applied to the work, and the coating time can be shortened by using a plurality of coating modules for coating types that require time for coating.

According to the fourth aspect of the present invention, during the construction of the transfer line, the installation work of the coating module can be performed in parallel, the construction can be shortened, and the capital investment cost can be reduced. In addition, it is possible to mix workpieces having different required coating specifications on a transport line.

According to the fifth aspect of the present invention, the work is transferred in synchronization with the plurality of coating modules on the transfer line, so that the coating time can be reliably reduced.

According to the sixth aspect of the present invention, the work is transferred in synchronization with the plurality of coating modules on the transfer line, so that works having different required coating specifications can be mixedly loaded on the transfer line. The coating time can be reduced.

According to the seventh aspect of the present invention, the length of the transport line is increased, but the space of the coating system in a direction perpendicular to the transport line can be reduced.

According to the eighth aspect of the present invention, the space of the coating system in the direction perpendicular to the transport line is increased, but the length of the transport line can be reduced.

According to the ninth aspect of the present invention, in the two coating lines, the work holding device on the upstream side and the work holding device on the downstream side of the transport line can be concentrated to reduce the space.

According to the tenth aspect of the present invention, since the coating modules of the two coating lines can be concentrated between the transport lines, the management of the coating modules becomes easy. Further, the cleaning system and the ventilation system can be concentrated, and the equipment cost can be reduced. Further, even if the paint scatters from the coating module, the influence on the work on another transfer line is small.

According to the eleventh aspect, the space can be effectively used in the arrangement of the coating system, and the arrangement can be made compact.

[Brief description of the drawings]

FIG. 1 is a diagram showing an arrangement structure of a coating system.

FIG. 2 is a perspective view of a coating system.

FIG. 3 is a schematic configuration diagram of a work holding device.

FIG. 4 is a schematic configuration diagram showing operations of a transport line and a coating module of the coating system.

FIG. 5 is a timing chart of the operation of the coating system.

FIG. 6 is a schematic configuration diagram illustrating a coating system according to another embodiment.

FIG. 7 is a timing chart of the operation of another embodiment.

FIG. 8 is a diagram showing an arrangement structure of a coating system according to another embodiment.

FIG. 9 is a diagram showing an arrangement structure of a coating system according to another embodiment.

FIG. 10 is a diagram showing an arrangement structure of a coating system according to another embodiment.

FIG. 11 is a diagram showing an arrangement structure of a coating system according to another embodiment.

FIG. 12 is a diagram showing an arrangement structure of a coating system according to another embodiment.

FIG. 13 is a diagram showing an arrangement structure of a coating system according to another embodiment.

FIG. 14 is a diagram showing an arrangement structure of a coating system according to another embodiment.

FIG. 15 is a view showing an arrangement structure of a coating system according to another embodiment.

FIG. 16 is a diagram showing an arrangement structure of a coating system according to another embodiment.

FIG. 17 is a schematic configuration diagram of a conventional coating system.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Coating system 10 Transport line 22 Coating device 23 Work holding device 25 Coating room 30 Exchange moving device 201, 202, 203 Coating module A Work moving device B Coating part

Claims (11)

[Claims] Claims: 1. A coating module for at least an undercoating coating and a coating module for a topcoating are arranged in series along a transport line in the order of coating at least a coating module for undercoating and a coating module for topcoating, of each coating type of undercoating, intermediate coating, and topcoating. The coating module includes a coating casing that forms a coating room, a coating device disposed in the coating room, and a work moving device that takes in the work in the coating room and discharges the completed work. Painting system. 2. The coating system according to claim 1, wherein the conveying lines are arranged in a U-shape or a C-shape. 3. A plurality of coating modules for performing coating with the same specification in at least one of the coating types among the respective coating types are arranged along a transport line. Item 3. The coating system according to Item 2. 4. A plurality of coating modules for performing coating with different specifications in at least one of the coating types out of the respective coating types are arranged along a transport line. Item 3. The coating system according to Item 2. 5. A method according to claim 1, wherein a plurality of coating modules of a single coating type is coated with a plurality of coating modules. After returning to the transport line, the predetermined number of unpainted workpieces are supplied to the vicinity of the coating module at the predetermined time on the transport line, and the predetermined number of coatings are performed at the predetermined time. The coating system according to claim 3, wherein the finished work is carried out from the vicinity of the coating module. 6. The method according to claim 1, wherein the predetermined time on the transport line is:
The painted work is carried out for the next process, and the unpainted work for the paint of the paint type to be carried out is transported to the vicinity of the painting module that implements the paint specifications required for this work. The coating system according to claim 4, wherein the line is controlled. 7. The coating system according to claim 1, wherein a plurality of coating modules are arranged in series in a coating order on one side of the transfer line along the transfer line. 8. The coating system according to claim 1, wherein a plurality of coating modules are arranged in series in the order of coating along both sides of the transport line along the transport line. 9. The coating system according to claim 7, wherein two of the coating systems are arranged in parallel, the respective transport lines of both the coating systems are arranged adjacent to the central part, and a plurality of coatings of the respective coating systems are arranged on both sides of the central part. The layout structure of the coating system, which features modules. 10. A coating system according to claim 1, wherein two of the coating systems are arranged in parallel, at least a part of each of the transport lines of the two coating systems is separated from each other, and a central portion of the separated arrangement portion is provided. A coating system layout structure in which the coating modules of each coating system are arranged. 11. The coating modules of the respective coating systems are staggered in the center of the separated arrangement section, and the distance between the transfer lines in the separated arrangement section is set to the size from the transfer line of the coating module of the respective coating system. 11. The arrangement structure of the coating system according to claim 10, wherein the arrangement is smaller than the sum.