JPH0531413A - Painting device - Google Patents

Abstract

PURPOSE:To shorten the work tact time and to obtain the painting device of a small space by placing zigzag an opening robot of a bonnet and a trunk lid, and an assembling body of an opening painting robot of one side door of the front and the rear, in the left and the right of the line in two adjacent stations among three painting stations. CONSTITUTION:A first and a second trunk lid opening robots 34, 48, and a third and a fifth painting robots 24, 36 are laid out zigzag, a mutual interference between third and fifth painting robot 24, 36 is eliminated completely, and a painting operation to a front floor of a car body B can be executed. Also, seventh and an eighth painting robots 42, 52 for painting the inside of an engine room and a bonnet hem are laid out symmetrically by placing a carrying line L between them. As a result, it may suffice that only one set of bonnet opening robot 50 for opening a bonnet is provided, and the painting device for attaining the reduction of equipment cost can be obtained.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention coats a predetermined portion of the vehicle body by opening and closing an opening / closing member at each of at least three coating stations while tact-transporting a 4-door type vehicle body along a transportation line. Related to coating equipment

[0002]

2. Description of the Related Art Conventionally, in a vehicle manufacturing line,
The car body that has completed the body molding process will be transported to the painting process where it will be painted.In the painting process, first, the undercoating of the entire car body is performed in the electrodeposition coating process, and then The intermediate coating process is performed, but between the electrodeposition coating process and the intermediate coating process, a sealing coating process is performed to seal the end face where two sheet metals are overlapped, such as a bonnet or a trunk lid. It is set to In this sealing coating process, a viscous coating material is applied to the end faces where the two sheet metals are overlapped to form a seal.

Here, in the middle / top coating process,
Various coating robots are used, and the layout of these robots is, for example, Japanese Patent Laid-Open No. 62-
As shown in Japanese Patent No. 247857, seven coating robots are arranged in a staggered arrangement on both sides of the running line of the vehicle body.
Techniques for eliminating the interference of the work of each painting robot are known.

[0004]

On the other hand, when a vehicle body is subjected to sealing painting, the painting robot may enter a predetermined painting position in the vehicle body by opening the bonnet, the trunk lid, the door, etc. from the closed state. I have to make it possible. However, the technique in the middle / top coating process disclosed in the above-mentioned conventional publication is performed without considering the arrangement of these open robots. In particular, the trunk opening robot and the bonnet opening robot are considerably large in size, so if these opening robots are actually arranged, the work tact time and work space can be reduced even if the above-mentioned conventional technology is implemented. It has been pointed out that there is a problem that it is actually difficult to achieve. The present invention has been made in view of the above-mentioned problems, and an object of the present invention is to arrange a sealing robot and an opening robot along a traveling line of a vehicle body.
It is an object of the present invention to provide a coating device capable of shortening a work tact time and a work space.

[0005]

In order to achieve the above-mentioned object, the coating apparatus according to the present invention opens and closes at each of at least three coating stations while tact-transporting a 4-door type vehicle body along a transportation line. In a coating device that opens a member to coat a predetermined portion of the vehicle body, an opening robot that drives one of the bonnet and the trunk lid to open, and a front and rear side door opening robot and an assembly body for the coating robot. , Two adjoining coating stations are arranged in a zigzag pattern on the left and right with the conveying line between them, and the other front and rear side door opening robot and the assembly body of the coating robot are connected to the remaining one painting station. At the left and right, and drive the other side of the bonnet and trunk lid open. An open robot, and painting robot which thereby coating the opened portion, and characterized in that arranged on one of the two painting the stations.

Further, in the coating apparatus according to the present invention, the coating robots provided corresponding to the side door opening robots are reciprocally provided along the transfer line. . Also, in the coating apparatus according to the present invention, the other of the two coating stations is characterized in that a coating robot for coating a portion opened by an opening robot for driving one of the bonnet and the trunk lid to open is arranged. There is.

Further, in the coating apparatus according to the present invention, the other of the two coating stations has a space for arranging a coating robot for coating a portion opened by an opening robot for driving one of the bonnet and the trunk lid to open. It is characterized in that an empty space is defined at a target position between the transfer lines. Further, in the coating apparatus according to the present invention, the empty space is defined as an additional space for the coating robot.

[0008]

[Function] In the coating apparatus configured as described above,
Among at least three painting stations, two adjacent painting stations are provided with an open robot that drives one of the bonnet and the trunk lid to open, and a front and rear side door open robot and an assembly body of the paint robot. Since the transfer lines are arranged in a zigzag pattern on the left and right between them, it is possible to perform painting on the vehicle body in a minimum space, eliminating the interference between painting robots that paint the same part from the left and right respectively. .

[0009]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The construction of one embodiment of a coating apparatus according to the present invention will be described in detail below with reference to FIGS. 1 to 13 of the accompanying drawings. In this embodiment, the coating device is defined as a sealing coating device 10 that seals the two end faces of the vehicle body on which two sheet metals are overlapped by applying viscous paint. As shown in FIG. 1, this sealing coating apparatus 10 is provided with a transfer line L for transferring a 4-door sedan type vehicle body B to be painted along one direction (toward the right in the figure). Five coating stations T1 to T5, which are _{first to fifth} , are provided along L. These five paint the stations T ₁ state through T ₅ are spaced equidistantly from each other, it is successively arranged in the conveying direction of the vehicle body along connexion serial manner. Then, the conveying line L, but tact transport mechanism for transporting a vehicle body B in a state of stopping for a predetermined time in each painting the stations T ₁ through T ₅ is not shown is provided.

Here, the first coating station T₁ Is
To seal the left and right parts of the rear floor of vehicle body B respectively
And the second painting station T₂ Is the trunk of car body B
The left part of the room and the left side of the front floor and Sashyu
A third paint station is used to seal the parts and
T₃ Is the trunk room of the car body B and the front floor
The right part with Sashyu, the engine room and the bonnet
Arranged to seal the left and right sides of the hem respectively
There is. Incidentally, the fourth and fifth coating station T _Four , T_Five
Is specified as an optional painting station.
It is added arbitrarily according to the grade of the vehicle.
It That is, the first to third coating stations T₁ ~ T₃ 
Is a must-use item in any car model,
4th and 5th painting station T_Four , T_Five Is a luxury car model
Are set to be used additionally in. Paraphrase
If it is done, it will be used in the sealing painting process of car body B other than high-class models.
In addition, the fourth and fifth coating station T_Four , T_Five 
Is just an idol station
Has been.

[0011] The feature of the invention, in the coating the stations T ₁ through T ₅ of the first to fifth in the coating apparatus 10, the first to third implemented mandatory painting the stations T ₁ through T ₃ Which are present in the layout of each coating robot in the fourth and fifth coating stations T.
₄ , T ₅ do not constitute any feature of the present invention, but in addition, the fourth painting station T ₄ seals the left and right parts of the rain rail and the rear door hem on the rear side of the vehicle body B, respectively. In addition, the fifth painting station T ₅ is provided to seal the left and right parts of the front rain rail and the front door hem, and the left part of the trunk lid hem and the rear end panel, respectively. ing.

Next, the first to third coating stations T
The robot arrangement in each of _{1 to} T ₃ will be described in detail. First, in order to seal both the left and right parts of the rear floor of the vehicle body B, the first painting station T ₁ is located on the left side of the vehicle body B stopped here, and seals the left side portion of the rear floor of the vehicle body B. 1 sealing robot
2 and a first door opening robot 14 for opening the left rear door of the vehicle body B are provided in an integrated state (that is, in an assembled state). here,
The first sealing robot 12 is mounted on the first reciprocating drive mechanism 16 so that the left side portion of the vehicle body B can reciprocate along the front-rear direction thereof. Also, the first
The painting station T ₁ is for opening the second sealing robot 18 for sealing the right part of the rear floor of the vehicle body B and the rear door on the right side of the vehicle body B in a state of being located on the right side of the vehicle body B stopped here. The second door opening robot 20 is provided in an integrated state (that is, in an assembled state). Here, the second ceiling robot 18 is connected to the second reciprocating drive mechanism 22 by the vehicle body B.
The right side of the is mounted so that it can be moved back and forth along the front-rear direction. Then, in the first coating station T ₁ , the first and second sealing robots 12 and 18 and the first and second door opening robots 14 and 20 respectively sandwich the transport line L, It is arranged at symmetrical positions, and has a symmetrical structure.

Next, a second painting station T ₂ for sealing the left part of the trunk room of the car body B and the left part of the front floor and the sash is located on the left side of the car body B stopped here. In this state, the front floor of the vehicle body B and the left part of the sash are sealed respectively.
Sealing robot 24 and a third door opening robot 26 for opening the front door on the left side of the vehicle body B,
The third sealing robot 24 is provided on the rear side in the vehicle front-rear direction and on the rear left side of the vehicle body B, and includes a fourth sealing robot 28 for sealing the left portion of the trunk room. Here, the third sealing robot 24 and the third door opening robot 26 are configured in an integrated state, that is, in a state in which they are formed into an seven rig. Also, the third sealing robot 24 is
It is mounted on the third reciprocating drive mechanism 30 so that the left side portion of the vehicle body B can be reciprocated along the front-rear direction thereof. Also, the fourth sealing robot 28 is
The reciprocating drive mechanism 32 is mounted on the left side of the rear of the vehicle body B so as to be able to reciprocate along the front-rear direction.

On the other hand, the second painting station T ₂ is provided with a first trunk lid opening robot 34 for opening the trunk lid of the vehicle body B in a state of being located at the right rear portion of the vehicle body B stopped here. Where this first
The trunk lid opening robot 34 is mounted in a fixed state on a base (not shown). That is, in this second coating station T ₂ , two sealing robots 24 and 28 are arranged on the left side of the transfer line L, and on the right side of the transfer line L at a position facing the rear part of the vehicle body B. A first trunk lid opening robot 34 is provided.

The third painting station T ₃ for sealing the right side of the trunk room of the car body B, the front floor and the right side of the chassis, and the left and right parts of the engine room and the bonnet hem is the car body B stopped here.
A fifth sealing robot 36 that seals the front floor of the vehicle body B and the right side of the chassis, and a fourth door opening robot 38 that opens the front door on the right side of the vehicle body B when located on the right side of the vehicle body B. , A sixth sealing robot 40, which is disposed on the rear side of the fifth sealing robot 36 in the front-rear direction of the vehicle body and on the rear right side of the vehicle body B, and seals the right part of the luggage compartment;
7 is a front side of the sealing robot 36 in the front-rear direction of the vehicle body and is provided on the right side in front of the vehicle body B, and has a seventh sealing robot 42 for sealing the right portion of the engine room and the right side of the bonnet hem. ing.
Where the fifth sealing robot 36 and the fourth
The door opening robot 38 of FIG. 2 is configured in an integrated state, that is, in an as-seven rigged state. The fifth sealing robot 36 is mounted on the fifth reciprocating drive mechanism 44 so that the right side portion of the vehicle body B can be moved back and forth along the front-rear direction. Also,
The sixth sealing robot 40 is mounted on the sixth reciprocating drive mechanism 46 so as to be able to reciprocate on the right rear side of the vehicle body B along the front-rear direction thereof. Furthermore,
The seventh sealing robot 42 is mounted in a fixed state on a base (not shown).

On the other hand, the third painting station T ₃ is located at the left side of the rear portion of the vehicle body B stopped here, and the second trunk lid opening robot 48 for opening the trunk lid of the vehicle body B and here. In a state of being located on the left side of the front of the stopped vehicle body B, a bonnet opening robot 50 for releasing the bonnet of the vehicle body B, and a left side in front of the vehicle body B in the engine room and the bonnet hem. And an eighth sealing robot 52 for respectively sealing the parts. Here, the second trunk lid opening robot 48, the bonnet opening robot 50, and the eighth sealing robot 52 are mounted on a base (not shown) in a fixed state.
That is, in the third painting station T ₃ , the fifth and sixth sealing robots 36 and 40 are disposed on the right side of the transport line L, and the rear portion of the vehicle body B is disposed on the left side of the transport line L. A second trunk lid opening robot 46 is provided at a position facing the front side of the vehicle body B, and a second opening lid robot 48 is provided at a position facing the front portion of the vehicle body B. Further, the seventh and eighth sealing robots 4
2, 52 are arranged in left and right symmetric positions on both sides in front of the vehicle body B with the transport line L interposed therebetween, and are also constructed in a left and right symmetric structure.

In other words, in this embodiment, focusing on the second and third coating stations T ₂ and T ₃ , the first and second trunk lid opening robots for opening the trunk lid of the vehicle body B are provided. 34, 48 and third and fifth sealing robots 24, 36 for sealing the front floor of the vehicle body B and the left and right parts of the sash, respectively.
And are laid out in a staggered pattern. In other words, the first trunk lid opening robot 34 for opening the trunk lid of the vehicle body B is the second painting station T.
_{A second} trunk lid opening robot 48 for opening the trunk lid of the vehicle body B is arranged on the right side of the transportation line L in ₂ in FIG. 2 and is arranged on the left side of the transportation line L in the third painting station T _{3 respectively} . The third sealing robot 24 that seals the left side of the front floor and the sash is a fifth sealing robot that seals the front floor of the vehicle body B and the right side of the sash on the left side of the transport line L in the second coating station T ₂ . 36 are arranged on the right side of the transport line L in the third coating station T ₃ , respectively.

As described above, in this embodiment, the first and second trunk lid opening robots 34 and 48 are provided.
And the third and fifth sealing robots 24 and 36 are laid out in a zigzag manner so that the third and fifth sealings for sealing the front floor of the vehicle body B from the left and right in the minimum space. Robot 24,36
It is possible to perform the sealing (painting) operation on the front floor by both parties while completely eliminating the interference between them.

Further, paying attention to the _third coating station T ₃ , the seventh and eighth sealing robots 42 and 52 for sealing the inside of the engine room and the bonnet hem from the right and left respectively are provided between the transfer lines L. The layout is symmetrical. As a result, in this embodiment, it is sufficient to provide only one bonnet opening robot 50 for opening the bonnet, and the equipment cost can be reduced. Further, in the third coating station T ₃ , nothing is disposed at a portion facing the sixth sealing robot 40 with the transport line L interposed therebetween, and a so-called empty space is formed. . Therefore, even if a new painting robot has to be provided due to the change of the vehicle type or the model change, it is possible to effectively use the empty space without adding the painting station.

Further, the second coating station T₂ Pay attention to
If this is done, transfer line L to fourth sealing robot 28
Nothing is placed in the parts that face each other across,
A so-called empty space is formed. For this reason,
The third painting station T ₃ Empty space in
Similarly, with the change of car model and model change, new
Even if you have to have a painting robot,
This free space can be added without adding painting stations.
It is possible to effectively use the space.

The specific configurations of the above-mentioned various robots will be described below with reference to the drawings. However, the present invention does not have a feature in the robot configuration but has a feature in its layout. Therefore, only a brief description will be given.
That is, the second sealing robot 18, the corresponding second door opening robot 20 and the second reciprocating drive mechanism 2
2 is configured as shown in FIG. 2 to FIG.
When the door opening robot 20 sucks the right rear door D _RR and drives it to open, the second reciprocating drive mechanism 22 activates the second sealing robot 18, which has been moved to a predetermined working position. It operates like opening the rear door D _RR to enter the passenger compartment and painting the right side of the rear floor with a seal. still,
Although not shown, the first sealing robot 12 and the corresponding first door opening robot 14 and first reciprocating drive mechanism 16 are not shown.
And the corresponding second door opening robot 20 and second
With the reciprocating drive mechanism 22 and the transfer line L as a boundary, the two-dimensionally symmetrical shape is formed.

Here, the first and second sealing robots 12 and 18 are each composed of a spray type coating robot, although the detailed structure is not shown. In this way, the rear floor is not good-looking, but the seal is painted over a wide area. On the other hand, the fifth sealing robot 36 and the corresponding fifth door opening robot 38 and fifth reciprocating drive mechanism 44 are configured as shown in FIGS. 5 to 7, and the fifth door opening robot 36 is opened. When the robot 38 attracts the right front door D _FR and drives it to open, the fifth reciprocating drive mechanism 44 moves the fifth sealing robot 3 to the predetermined working position.
6 starts, enters the vehicle interior through the opening formed by opening the front door D _FR , and operates to seal-paint the right side portion of the front floor and seal-paint the right side sash. . The third sealing robot 24 and the corresponding third door opening robot 26 and third reciprocating drive mechanism 30 are not shown, but the fifth sealing robot 36 and the corresponding fifth robot 36 are not shown. Door opening robot 38 and fifth reciprocating drive mechanism 4
4 and the conveyance line L are used as a boundary to form a bilaterally symmetrical shape.

Here, the third and fifth sealing robots 24 and 36 are each composed of a spray type coating robot, although the detailed structure is not shown. In this way, the front floor is not good-looking, but the seal is painted over a wide area. In other words, the floor of the passenger compartment will be covered with trim members over the entire surface in a later process, so the paint itself may look unattractive, and a spray type that efficiently seals the entire surface is used. It has been done.

On the other hand, the first trunk lid opening robot 34 is configured to open the trunk lid TR of the vehicle body B by suction, as shown in FIGS. In addition, the second trunk lid opening robot 48
Although not shown in the figure, the first trunk lid opening robot 34 and the transport line L are used as a boundary to form a symmetrical shape.

Further, the sixth sealing robot 40 is
As shown in FIGS. 11 to 13, the inside of the trunk room is entered through the opening formed by the trunk lid TR which is sucked and driven to open by the corresponding second trunk lid opening robot 34, and the right side portion of the trunk room is opened. It is configured to apply a seal. still,
The fourth sealing robot 28 is not shown,
With the sixth sealing robot 40 and the transfer line L as a boundary, it has a bilaterally symmetrical shape. Here, the fourth and sixth sealing robots 28 and 40 are each composed of a spray type coating robot, although the detailed structure is not shown. In this way, the trunk room is not good-looking, but can be efficiently spray-coated over a wide area.

Further, as shown in FIGS. 14 to 16, the bonnet releasing robot 50 has a bonnet B for the vehicle body B.
It is configured to drive T open by suction. Further, the seventh sealing robot 42 is shown in FIGS.
As shown in FIG. 9, the engine enters into the engine room through the opening formed by the bonnet BT which is sucked by the bonnet opening robot 50 and driven to open, and enters the right side of the engine room and the right side of the hem of the BT. It is configured to apply a seal to each of and.
Although not shown, the eighth sealing robot 52 is formed in a bilaterally symmetrical shape with the seventh sealing robot 42 and the transport line L as a boundary. Here, the seventh and eighth sealing robots 42 and 52 are each composed of a bead type coating robot, although the detailed structure is not shown. In this way, the engine room and the hem of the bonnet BT are applied with seals in a good-looking state. That is, the interior of the engine room is a space that is frequently exposed to the eyes of the driver for maintenance and inspection of the engine, so that the bead-type seal coating with a good-looking finish is set.

Here, since the bead type coating robot has to discharge the highly viscous coating material from the tip of a narrow nozzle, a considerably high pressure is required. As a result, in the bead type coating robot, the high-pressure pipe must be routed, and it is difficult to set the length of the pipe long. On the other hand, since the spray type coating robot can spray the paint at a relatively low pressure, it is not necessary to use a high pressure pipe, and the length of the pipe can be set long.

In view of such conditions, as is apparent from the above configuration, the first coating station T ₁ to the third coating station T ₃ are provided along the transportation line L of the vehicle body B.
In the range up to, the seventh and eighth sealing robots 42, 5 located at the most downstream side, that is, at the left end in FIG.
Only two of them are composed of bead type coating robots, and the first to sixth sealing robots 1 other than these are used.
2, 18, 24, 28, 36 and 40 are respectively composed of spray type coating robots. For this reason, in this embodiment, the seventh and eighth sealing robots 42 and 52, which require high-pressure piping, are gathered at one position on the most downstream side in the transport direction of the vehicle body B.
This means that the high-pressure piping can be laid out short.

It goes without saying that the present invention is not limited to the configuration of the above-described embodiment and can be variously modified without departing from the gist of the present invention. That is, in the foregoing embodiment, the vehicle body B is only subjected to seal coating in the first to third paint the stations T ₁ through T _3, the fourth and fifth coating a station T _4, T ₅ is As an idle station, these are configured so that no seal coating is performed. However, in the following, a case in which the seal coating is also applied to the fourth and fifth coating stations T ₄ and T ₅ when coating a high-class vehicle will be described as another embodiment.

That is, in this embodiment, the fourth coating station T ₄ is provided for sealing the rear portion of the rain rail and the hem of the rear door, respectively. The fifth coating station T ₅ is provided for sealing the front portion of the rain rail and the hem of the front door, respectively. In particular, in this embodiment, the fifth painting station T ₅ is constructed such that the left side portions of the hem of the trunk lid and the rear end panel are further seal-coated, and the above-mentioned second painting station T 5 is used. ₂ is configured so that the right side parts of the hem of the trunk lid and the rear end panel are coated with seals, respectively.

More specifically, as shown by the broken line in FIG. 1, the space defined as the empty space in the second painting station T ₂ in the above-described embodiment, that is, the left part of the trunk room is sealed. A ninth sealing robot 54 for sealing the right side of the hem of the trunk lid and the rear end panel is arranged in a space symmetrically arranged with respect to the fourth sealing robot 28 and the transfer line L. It is set up. The ninth sealing robot 54 is mounted on the seventh reciprocating drive mechanism 56 so that the right side portion of the vehicle body B can be reciprocated along the front-rear direction thereof.

Incidentally, this ninth sealing robot 54
Is set to operate so as to seal-coat the hem of the trunk lid which is opened and driven by the first trunk lid opening robot 34 provided in the above-described embodiment. That is, in this embodiment, it is not necessary to provide the trunk lid opening robot in a state dedicated to the ninth sealing robot 54, and it is provided corresponding to the fourth sealing robot 28 for already performing the seal coating in the trunk room. It can be used in the state that it also serves as the first trunk lid opening robot 34
It is possible to reduce the equipment cost.

On the other hand, the fourth painting station T ₄ for sealing the rear portion of the rain rail of the vehicle body B and the hem of the rear door is placed on the left side of the vehicle body B stopped here, and the fourth painting station T ₄ A state in which a tenth sealing robot 58 for sealing the left side portion of the rear part of the rain rail and the left side portion of the rear door hem and a fifth door opening robot 60 for opening the left rear door of the vehicle body B are integrated (that is, , In the assembled state).
Here, the tenth sealing robot 58 is mounted on the eighth reciprocating drive mechanism 62 so that the left side portion of the vehicle body B can reciprocate along the front-rear direction thereof.
Further, the fourth painting station T ₄ is located on the right side of the vehicle body B stopped here, and the eleventh sealing robot 64 which seals the right side portions of the rear portion of the rain rail of the vehicle body B and the hem of the rear door, respectively. And a state in which a sixth door opening robot 66 for opening the right rear door of the vehicle body B is integrated (that is, a state in which it is assembled)
Prepared for. Here, the eleventh sealing robot 6
No. 4 is mounted on the ninth reciprocating drive mechanism 68 so that the right side portion of the vehicle body B can be reciprocated along the front-rear direction thereof. And this fourth painting station T
_{At 4} , the tenth and eleventh sealing robots 58, 64 and the fifth and sixth door opening robots 60,
66 are arranged at symmetrical positions with the transport line L sandwiched therebetween, and have a symmetrical structure.

A fifth painting station T ₅ is provided on the left side of the vehicle body B stopped here in order to seal the front portion of the rain rail, the front door hem, the trunk lid hem and the left side portion of the rear end panel respectively. A twelfth sealing robot 70 that seals the left side portions of the front part of the rain rail of the vehicle body B and the hem of the front door in the state of being positioned, and the seventh door for opening the left front door of the vehicle body B. It is provided in a state where it is integrated with the open robot 72 (that is, in a state where it is assembled).
Here, this twelfth sealing robot 70 is
The reciprocating drive mechanism 74 of No. 0 is mounted so that the left side portion of the vehicle body B can be reciprocated along the front-rear direction.

Here, at a position rearward of the tenth reciprocating drive mechanism 74 in the vehicle front-rear direction and facing the left rear portion of the vehicle body B, a third trunk lid for driving the trunk lid of the vehicle body B to open is provided. An opening robot 76 is provided, and the third trunk lid opening robot 76 is provided.
On the rear side of the vehicle body B in the front-rear direction, a thirteenth sealing robot 78 is provided on the left side portion of the rear side of the vehicle body B for sealing the left side portions of the hem of the trunk lid and the rear end panel. . The thirteenth sealing robot 78 has an eleventh reciprocating drive mechanism 80.
In addition, the left side portion of the vehicle body B is mounted so as to be capable of reciprocating along the front-rear direction thereof.

Also, this fifth painting station T ₅
Is a fourteenth sealing robot 8 which seals the right side portions of the front portion of the rain rail of the vehicle body B and the hem of the front door in a state of being located on the right side of the vehicle body B stopped here.
2 and an eighth door opening robot 84 for opening the right front door of the vehicle body B (that is,
It is provided in the state of assembling. Here, the fourteenth sealing robot 82 is mounted on the twelfth reciprocating drive mechanism 86 so that the right side portion of the vehicle body B can be reciprocated along the longitudinal direction thereof. And
In the fifth coating station T ₅ , the twelfth and fourteenth sealing robots 70 and 82 and the seventh and eighth door opening robots 72 and 84 are bilaterally symmetrical with the transport line L interposed therebetween. It is arranged at various positions and has a symmetrical structure.

By constructing the other embodiment in this way, in addition to the portion coated with the seal in the above-mentioned embodiment, the rain rail of the vehicle body B, the hem of the rear door, the hem of the front door, the hem of the trunk lid, The rear end panels will be painted with stickers. The rain rail, the rear door hem, the front door hem, the trunk lid hem, and the ninth to fourteenth sealing robots 54 for coating the rear end panel with seals,
Reference numerals 58, 64, 70, 78 and 82 are all composed of bead type coating robots. Also, the above-mentioned 2
In one embodiment, the coating device has been described as being configured as a coating device for sealing the vehicle body B.
Needless to say, the present invention is not limited to such a configuration and is applied to a coating device other than the seal coating.

[0038]

As described above in detail, in the coating apparatus according to the present invention, the opening / closing member is opened at each of at least three coating stations while tact-transporting the 4-door type vehicle body along the transportation line. In a coating apparatus for coating a predetermined portion of the vehicle body, an opening robot that drives one of the bonnet and the trunk lid to open, and one of the front and rear side door opening robots and an assembly body of the coating robot that are adjacent to each other. In one painting station, the transfer lines are arranged in a zigzag pattern to the left and right, and the side door opening robot and the assembly body of the coating robot on the other side of the front and rear are arranged opposite to each other in the remaining one coating station. The open robot that drives the other of the bonnet and the trunk lid to open. A painting robot for painting the opened site Ri is characterized in that disposed on one of the two painting the stations.

Further, in the coating apparatus according to the present invention, the coating robots provided corresponding to the side door opening robots are reciprocally movable along the transfer line. . Also, in the coating apparatus according to the present invention, the other of the two coating stations is characterized in that a coating robot for coating a portion opened by an opening robot for driving one of the bonnet and the trunk lid to open is arranged. There is.

In the coating apparatus according to the present invention, the other of the two coating stations is provided with a space in which a coating robot for coating a portion opened by an opening robot for driving one of the bonnet and the trunk lid is opened. It is characterized in that an empty space is defined at a target position between the transfer lines.

Further, in the coating apparatus according to the present invention, the empty space is defined as an additional space for the coating robot. Therefore, according to the present invention, there is provided a coating apparatus capable of shortening the work tact time and the work space when the sealing robot and the opening robot are arranged along the traveling line of the vehicle body. It will be a matter.

[Brief description of drawings]

FIG. 1 is a top view schematically showing the configuration of an embodiment of a coating apparatus according to the present invention.

[Fig. 2]

[Fig. 3]

FIG. 4 is a top view and a front view showing the arrangement of a second sealing robot and a corresponding second door opening robot for applying a seal coating on the rear floor.
It is a side view.

[Fig. 5]

[FIG. 6]

7A and 7B are a top view, a front view, and a side view, respectively, showing an arrangement state of a fifth sealing robot for applying a seal on the front floor and a corresponding fifth door opening robot.

FIG. 8

FIG. 9

FIG. 10 is a top view, a front view, and a side view, respectively, showing the arrangement state of a first trunk lid opening robot for opening the trunk lid.

FIG. 11:

FIG. 12

13A and 13B are a top view, a front view, and a side view, respectively, showing the arrangement state of a sixth sealing robot for seal-coating the inside of the luggage compartment.

FIG. 14

FIG. 15:

16A and 16B are a top view, a front view, and a side view, respectively, showing the arrangement state of the Bonnet opening robot for opening the Bonnet.

FIG. 17:

FIG. 18:

19A and 19B are a top view, a front view, and a side view, respectively, showing the arrangement state of a seventh sealing robot for seal-coating the inside of the engine room.

[Explanation of symbols]

B vehicle body, L transport line, T _{1 to} T ₅ coating station, 10 coating device, 12 first sealing robot, 14 first door opening robot, 16 first reciprocating drive mechanism, 18 second sealing robot, 20 2nd door opening robot, 22 2nd reciprocating drive mechanism, 24 3rd sealing robot, 26 3rd door opening robot, 28 4th sealing robot, 30 3rd reciprocating drive mechanism, 32 4th reciprocating reciprocating mechanism Drive mechanism, 34 1st trunk lid opening robot, 36 5th sealing robot, 38 4th door opening robot, 40 6th sealing robot, 42 7th sealing robot, 44 5th reciprocating drive mechanism, 46th 6 reciprocating drive mechanism, 48 second trunk lid opening robot, 50 bonnet opening robot, 5 2 8th sealing robot, 54 9th sealing robot, 56 7th reciprocating drive mechanism, 58 10th sealing robot, 60 5th door opening robot, 62 8th reciprocating drive mechanism, 64 11th sealing Robot, 66 6th door opening robot, 68 9th reciprocating drive mechanism, 70 12th sealing robot, 72 7th door opening robot, 74 10th reciprocating drive mechanism, 76 3rd trunk lid opening robot, 78 The thirteenth sealing robot, 80th eleventh reciprocating drive mechanism, 82th fourteenth sealing robot, 84th eighth door opening robot, and 86th twelfth reciprocating drive mechanism.

Claims (5)

[Claims] 1. A coating device for coating a predetermined portion of the vehicle body by opening and closing an opening / closing member at each of at least three coating stations while tact-transporting a 4-door type vehicle body along a transportation line. An open robot that drives one of the bonnet and the trunk lid to open, and a front and rear side door open robot and an assembly body of the painting robot, are arranged in two staggered positions on the left and right with the two painting stations adjacent to each other. Then, the other side door opening robot on the front and rear and the assembly body of the painting robot are arranged on the remaining one painting station so as to oppose each other on the left and right with the transfer line in between, and an opening robot for driving the other side of the bonnet and the trunk lid to open. With the painting robot that paints the part released by this, A coating device, which is arranged on one of the two coating stations. 2. The coating apparatus according to claim 1, wherein each of the coating robots provided corresponding to the side door opening robots is provided so as to be reciprocally movable along the transfer line. . 3. A coating robot for coating a portion opened by an opening robot for driving one of a bonnet and a trunk lid to open is disposed on the other of the two coating stations. The described coating equipment. 4. A space between a space where a coating robot for coating a portion opened by an opening robot for driving one of a bonnet and a trunk lid to open is disposed on the other of the two coating stations, and the transfer line between them. 4. The coating apparatus according to claim 3, wherein an empty space is defined at each position. 5. The coating apparatus according to claim 4, wherein the empty space is defined as an additional space for a coating robot.