JP3069984B2 - Door transfer device between body transfer device and door transfer device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a vehicle body for transferring doors on both sides of a vehicle body between a vehicle body transporting device for transporting a vehicle body and a door transporting device arranged in parallel above the vehicle body transporting device. The present invention relates to a door transfer device between a transfer device and a door transfer device.

[0002]

2. Description of the Related Art Conventionally, such an apparatus is disclosed in Japanese Unexamined Patent Publication No. Hei.
No. 881 has already been known.

[0003]

SUMMARY OF THE INVENTION In the above prior art,
Delivery conveyance means are laid in parallel on both sides of the vehicle body conveyance device, respectively, and the door removed from the vehicle body is placed on the hanger which has been moved down from the door conveyance device to the front end of the delivery conveyance device and transferred by the transfer conveyance device, and With the hanger turned 180 degrees around the vertical axis for the outfitting and the inner surface of the door turned outward, the hanger is raised at the rear end of the transfer means and returned to the door transfer device. A descent means for lowering the hanger from the door transport device to the transfer transport means; an elevating means for raising the hanger from the transfer transport means to the door transport apparatus; a transfer transport means extending between the lowering means and the lift means; It is necessary to provide a direction changing means disposed in the middle of the means, which increases the size of the entire apparatus and requires a relatively large installation space.

The present invention has been made in view of the above circumstances, and has as its object to provide a door delivery apparatus which can reduce the size and space of a structure for delivering a door by enabling the door to be turned over. And

[0005]

According to a first aspect of the present invention, a pallet on which a door can be placed is provided with a pallet on which a door can be placed on both sides of a vehicle body transfer device and a door transfer device. Pallet elevating means for elevating and lowering between a lower transfer position set on the side of the device and an upper transfer position set on the side of the door transfer device are provided, respectively, between the door transfer device and the upper transfer position. The pallet can be transferred between the door conveying device and the pallet elevating means so as to traverse the conveying line of the door conveying device.
Pallet unloading means for reciprocating the pallet in the direction is provided, and the lower transfer position enables direct transfer of pallets with the pallet elevating means.
And a mounting table on which the pallet can be mounted.
A pallet transfer / door reversing means is provided , which has a rotary drive mechanism capable of rotating and driving the pallet 180 degrees around a vertical axis.

According to a second aspect of the present invention, in addition to the configuration of the first aspect, the pallet elevating means is supported by a guide column provided upright on a side of the vehicle body transfer device so as to be able to ascend and descend. A cradle on which a pallet can be placed is disposed on the lift table so as to be able to move in and out of the horizontal direction so as to approach and separate from the vehicle body transfer device and the door transfer device.

[0007]

An embodiment of the present invention will be described below with reference to the drawings.

FIG. 1 is a plan view showing a part of a vehicle assembly line, FIG. 2 is a vertical sectional front view of a door delivery device taken along line 2-2 in FIG. 1, and FIG. 3 is an enlarged sectional view taken along line 3-3 in FIG. FIG. 4 shows FIG.
FIG. 5 is a longitudinal sectional front view as viewed from the direction of arrow 4 in FIG.
6 is a cross-sectional view taken along line 6-6 of FIG. 5, FIG. 7 is an enlarged plan view taken along arrow 7 of FIG. 2, FIG. 8 is a front view taken along arrow 8 of FIG. 7, and FIG. FIG. 10 is an enlarged sectional view taken along line 10-10 of FIG.

[0009] First, in FIG. 1, a substantially U-shape on the floor of the vehicle assembly plant body conveying apparatus BC is so as to sequentially passed removal station S _T and the mounting station S _I along the vehicle body carrying direction indicated by the arrow 12 Jo are laid, door conveying device DC is arranged to draw the loops to sequentially passed removal station S _T and the mounting station S _I along the door conveying direction indicated by the arrow 13, removal station S _T and the mounting station S _I, door conveying device DC above the vehicle body conveying apparatus BC is disposed as an inverted vehicle body carrying direction 12 and the door conveyance direction 13 to each other.

[0010] removal station S _T and the mounting station S _I, the door transfer device 14 _T, 14 _I is disposed respectively before and after the left and right sides door D _FL, D
The vehicle B with the _FR, D _RL , and D _RR mounted thereon is removed from the station S through the painting process by the vehicle body transfer device BC.
It is conveyed to a _T, the removal station S of the right and left sides is detached from the vehicle body B at _T door _{D FL, D RL; D FR} , D
_RR is transferred to the door conveying device DC by the door transfer device 14 _T in the state in which the outer surface thereof outwardly. Thus to the right and left sides door _{D FL, D RL; D FR} , a vehicle body B to D _RR is removed is conveyed from the removal station S _T to the vehicle body outfitting line 15 is subjected to outfitting in the vehicle body outfitting line 15 vehicle body B is conveyed to the mounting station S _I by the body conveying apparatus BC. On the other hand, removal station S _T at the left and right sides of the door _{D FL, D RL; D FR} , door conveying device DC which has received the D _RR, the door from the removal station S _T to the door outfitting line _{16 D FL, D RL; D} FR , D _RR . In this door outfitting line 16, the left front and rear doors D _FL, and D _RL, right front and rear doors D _FR, A D _RR, door conveying the outfitting conveyor 16 _CL, on 16 _CR to each other are parallel laid device DC is transferred from the results in moving the outfitting conveyor 16 _CL, 16 on _CR the outer surface as a front side, a door D _FL having undergone outfitting During this time, D _RL; D _FR, D
_{The RR} is returned from the outfitting conveyors 16 _CL and 16 _CR to the door transfer device DC. When returning to the door transfer device DC, each of the doors D _FL , D _RL ; D _FR , D _RR is in a posture with its inner surface facing outward, and as shown in FIG. D _FL , D _RL ; D in a posture in which is turned outward.
_FR, D _RR is conveyed to a mounting station S _I by the door conveying device DC. At the mounting station S _I , the doors D _FL , D _RL ; D _FR , D _RR after the completion of the outfitting are inverted by the door transfer device 14 _I to the posture in which the inner surface is inward, and both sides of the vehicle body transfer device BC. And the outfitted doors D _FL , D _RL ; D on both the left and right sides of the vehicle body B after the outfitting is completed.
_FR and D _RR are respectively attached.

Referring to FIGS. 3 and 4, the door transport device D
C is a so-called overhead conveyor, in which a large number of pairs of hangers 17, 17 connected to each other are arranged on a fixed guide rail 18 so as to be able to run.
A motor 19 for self-propelled traveling is attached to the hanger 17 on the front side along the door transport direction 13 among the hangers 17 forming a pair. Further, the hangers 17, 17 are provided with arms 20, 20; 21, which extend to both sides at a front end and a rear end along the door transport direction 13, and a rear hanger 17 along the door transport direction 13 is provided. Left arm 2 in
0, 21 and between the right arm 20, 21
The pallets 22 _F , 22 _F on which the front doors D _FL , D _FR on the front side can be positioned and mounted are detachably mounted, respectively, between the left arms 20, 21 of the front hanger 17 along the door transport direction 13. , And the right arms 20, 21
The pallets 22 _R , 22 _R on which the rear doors D _RL , D _RR of the vehicle body B can be positioned and mounted are detachably mounted therebetween. Moreover Each arm 20, 21, pallets 22 _F, 22 fitted to _R with their pallet 22 _F, 2
Positioning pins 23 and 24 for positioning 2 _R are provided in a protruding manner, respectively.

[0012] Such door conveying device DC, the mounting station in between S _I leading to removal station S _T, the door _{D FL, D FR; D RL} , do not place the D _RR empty pallets 22 _F, conveying the 22 _R, door D _FL posture where the outer surface and outwardly between leading from the removal station S _T to the door outfitting line 16, D _FR; a D _RL, pallet 22 mounted with the D _{RR F,} 22 _R conveyed, between leading from the door outfitting line 16 to the mounting station S _I, the door D _FL outward and posture, D _FR inner surface; conveying D _RL, pallet 22 mounted with the D _{RR F,} the 22 _R Will be.

Referring again to FIG. 2, the mounting station S
Door transfer device 14 _I disposed in the _I includes a pallet lifting means 25, 25 are respectively disposed on both sides of the vehicle body transfer apparatus BC and door conveying device DC, are respectively arranged on both sides of the door conveying device DC Pallet unloading means 26, 2
6 and the pallets 22 _F and 22 _R by 18 around the vertical axis.
Pallet transfer and door reversing means 2 for rotating 0 degrees
7, 27.

The pallet lifting / lowering means 25 includes a pallet 2
Is intended to move up and down between 2 _F, 22 _R of the lower delivery position is set to the side of the vehicle body conveying apparatus BC P _B and an upper delivery position P _A is set to the side of the door conveying device DC, the elevator platform 29 which is supported to be vertically movable to guide posts 28 provided upright on the floor at the side of the vehicle body conveying apparatus BC, pallet 22 _F, 22 pedestal 30 may place the _{R F,} 30 _R
Are arranged to be able to move in and out of the horizontal direction so as to approach and separate from the vehicle body transfer device BC and the door transfer device DC.

5 and 6, the elevator 29 is
A flange portion 32 is provided integrally at the lower end of a cylindrical body 31 formed in a rectangular cylindrical shape having a rectangular cross section surrounding the guide column 28 so as to project outward. A pair of vertically extending rails 33 are provided on the outer surface of the guide post 28 before and after along the vehicle body transport direction 12.
On the upper and lower portions of the cylindrical body 31, three wheels 34, 35, 36 that roll along the outer surfaces of the rails 33, 33 are respectively supported. Further, an elevating drive mechanism 38 including a motor 37 is provided at the upper end of the guide column 28, and a towing line 39 hanging from the elevating drive mechanism 38 is connected to the cylindrical body 31 of the elevating table 29. Therefore, the lift table 29 is driven to move up and down along the guide column 28 by the lift drive mechanism 38.

The vehicle body transport direction 12 and the door transport direction 13
Before and after the support frame 40, the support frames 40, 40 are fixed to the flange portion 32 of the elevating table 29, and these support frames 40, 4
0, the vehicle body transfer direction 12 and the door transfer direction 13
A pair of rails 41, 41 extending in the horizontal direction orthogonal to
Are fixed at an interval from each other.

The cradles 30 _F and 30 _R are mounted on the rails 4.
The tip of the frame body 42 which is guided in the horizontal direction by 1 and 41, the pallet 22 _F, 22 _R and extend parallel to the rails 41 and 41 so as to put each of the pair of support arms 43, 43 spaced from each other become respectively provided Te, the leading end upper portion of each support arm 43, the pallet 22 _F, 22 when placing the _R thereof pallet 22 _F, 22 fitted into _R to fulfill the positioning the positioning pins 44 Are respectively protruded. Thus, the positioning pins 44 serve as positioning pins 23 of each hanger 17 in the door transfer device DC.
It will be fitted to the pallet 22 _F, 22 _R in the same place and 24.

The frame 42 of each of the receiving bases 30 _F , 30 _R has an axis parallel to the rails 41, 41 and has a support frame 4.
The piston rod 45a of a cylinder 45 which is fixedly supported respectively 0,40 are connected, by allowed to stretch operation in synchronism their cylinder 45, both the cradle 30 _F, 30 _R are in body conveying device It is made to move forward and backward in the horizontal direction so as to approach and separate from the BC and the door transfer device DC.

By the way, in FIG.
For example, three support beams 46, 47, and 48 extending along the vehicle body transport direction 12 and the door transport direction 13 are arranged between the guide columns 28 and 28 with a space between the guide columns 28 and 28. And support beams 46, 4 on both sides
8, a cover 4 that covers upper portions on both sides of the vehicle body transfer device BC
9,49 is hung. Thus to lower delivery position P _B is set to the side of the vehicle body conveying apparatus BC below the cover 49, an upper transfer position P _A is set to the side of the door conveying device DC in the upper cover 49. Accordingly, the upper transfer position from the door conveying device DC P received by the _A stand 30 _F, 30 pallets 22 on the _{R F,} 22 door mounted on the _{R D FL, D FR; D} RL, D RR is pallet lifting means 25 It brought to the lower delivery position P _B as in cradle 30 _F, 30 by combining the horizontal movement of the _R and the rise operation of the elevator platform 29 indicated by a chain line in FIG. 2 in.

The pallet unloading means 26, between a lower position of the door conveying device DC and the upper transfer position P _A, de
A Pallet 2 in the direction crossing the transfer line of transfer device DC
And 2 _F, 22 self-propelled carriage 51 for the _R reciprocating a pair to be arranged in the free-running carriage 51 so as to transfer the pallet 22 _F, 22 _R between the door conveying device DC and the pallet lifting means 25 A lifting mechanism 52.

Each of the support beams 46 to 46 extends between the guide columns 28, 28 erected on both sides of the vehicle body transfer device BC.
The support members 53 and 54 are horizontally extended at positions spaced along the vehicle body transport direction 12 and the door transport direction 13 so as to be supported by 48. Moreover, guide rails 55 and 56 are fixed to the inner and outer surfaces of the support member 53, and a guide rail 57 is fixed to the outer surface of the support member 54.

The self-propelled carriage 51 is provided with the two support members 53 and 5.
At four corners of a rectangular moving frame 58 extending between the four, three wheels 59 rolling along the upper and lower and outer surfaces of the guide rail 55 and rolling along the inner surface of the guide rail 56. A wheel 64 and a wheel 61 rolling along the outer surface of the guide rail 57 are respectively supported by a shaft, and a motor 64 is provided for rotating a pinion 63 meshing with a rack 62 provided on the support member 53. Be composed.

The lifting mechanisms 52, 52 are provided with a door transport device DC.
Both hanger 17, and is at both the pedestal 30 _F, 30 corresponding to the _R position in the pallet lifting means 25 which are respectively disposed on the moving frame 58 of the self-propelled carriage 51, movable frame to allow the lifting in An elevating frame 66 supported by 58 is provided, and a cylinder 67 having an axis extending vertically to move the elevating frame 66 up and down and fixedly supported by the moving frame 58 is provided. Thus, the lifting frame 66 is provided between the pair of arms 20 and 21 on each hanger 17 and the receiving pedestals 30 _F and 30 _F.
A pair of support projections 66a projecting upward with a large consisting distance than the distance between the pair of support arms 43, 43 in 30 _R therebetween, are those having 66a, the support projections 6
6a, the positioning pins 23, 24, 44,
Positioning pins 68 that are fitted to the pallets 22 _F and 22 _R are provided at positions different from 44.

In such pallet unloading means 26,
Self carriage 51 is reciprocally travels between a lower position and an upper delivery position P _A of the door conveying device DC. Thus to door transport device DC door D _FL, D _FR; when that has been conveyed to D _RL, mounting station while carrying the D _RR S _I to the pallet 22 _F, 22 _R are self position below the door conveying device DC The traveling carriage 51 is brought, and the lifting frame 6 of the two lifting mechanisms 52 is provided.
The pallets 2 placed on the hangers 17, 17 of the door transfer device DC are raised by operating the pallets 2 respectively.
2 _F and 22 _R can be lifted upward from the arms 20 and 21 of both hangers 17 and 17. Empty pallet 2
When transferring the 2 _F, 22 _R to door conveying device DC can keep both elevating mechanism 52 to a position higher than the arm 20, 21 of the two hanger 17 lifts the pallet 22 _F, 22 _R, autonomous guided vehicle After the pallets 22 _F and 22 _R are lowered by the two lifting mechanisms 52 after bringing the pallets 22 _F and 22 _R to the lower position of the door transfer device DC, the pallets 22 _F and 22 _R are both hanger 1.
7 can be positioned and mounted on the arms 20 and 21.
Pallet 22 between the two cradle 30 _F, 30 _R further in the pallet lifting means 25 at the upper transfer position P _A
F, 22 when also _R of transfer, it is possible to transfer the pallet 22 _F, 22 _R by allowed to lift actuating both the elevating mechanism 52.

By the way, the stopper 69 is provided on the supporting member 53 to regulate the traveling end of the self-propelled carriage 51 at the lower position of the door conveying device DC, an upper transfer position P _A
Member 5 for regulating the running end of the self-propelled carriage 51
3 is provided with a stopper 70.

_A storage means 71 for storing pallets 22 _F and 22 _R is provided between the upper transfer position P _A and the guide post 28.
Is provided. As shown in FIG. 5, the storage means 71 is provided with both receiving stands 30 _F and 3 in the pallet elevating means 25.
0 pallet 22 _F, 22 _R ends engageable engaging arms 72 on the lower surface of which is placed respectively in _R is, both pallets 22 _F,
A column 7 composed of two sets, each pair sandwiching 22 _R , and a plurality of sets arranged side by side in the advancing and retreating direction of the receiving bases 30 _F and 30 _R.
3 is rotatably supported between an engagement position and a disengagement position.
Cylinders 74 for rotationally driving are provided. Moreover, each of the columns 73 is hung down from a support beam 75 fixedly disposed in parallel with the support beams 46 to 48.

[0027] In the storage unit 71, both the cradle 30 of the pallet lifting mechanism 26 _F, 30 an _R upper transfer position P _A
When the arm is moved horizontally from the
2 Both cradle 30 _F, 30 pallets 22 on the _{R F,} 22
_R to engage, it is possible to temporarily store the pallet 22 _F, 22 _R by lowering both the cradle 30 _F, 30 _R.

Referring to FIGS. 7, 8, 9 and 10,
Pallet exchange and door <br/> reversing means is disposed below the transfer position P _B 27 includes a front door reversing section 27 _F, the side door reversal after being arranged in the side of the front door reversing section 27 _F Part 2
7 a _R, since both inverting portion 27 _F, 27 _R are those having basically the same configuration, hereinafter, be described in detail only the structure of the front door reversing section 27 _F.

The front door reversing section 27 _F includes a base 78 which is fixedly arranged on the floor of the lower delivery position P _B, the rotating shaft 79 is supported on the base 78 as possible angular displacement around the vertical axis , arm 80 and arm 80 extending proximal end is fixed to an end of the rotating shaft 79 protruding from the base 78 upward in the radially outer pivot shaft 79, the pallet 22 _F as possible placed A mounting table 81 fixed to the tip of the
That is, the mounting table 81 is moved 180 degrees around the axis of the rotation shaft 79.
And a rotation driving mechanism 82 for rotationally driving the rotation.

A wheel 83 is pivotally supported at the lower end of the arm 80. A rail 84 for rolling and guiding the wheel 83 extends over a range of approximately 180 degrees around the axis of the rotating shaft 79. It is fixed on the upper surface of the base 78 in an arc shape. A regulating plate 85 is protruded from an intermediate lower portion of the arm 80, and a pair of stoppers 86, which come into contact with the regulating plate 85 and regulate a rotation range of the arm 80, that is, a rotation range of the mounting table 81. 87 is fixedly arranged on the base 78.

The mounting table 81 is mounted a horizontal frame 88 which is fixed substantially perpendicular to the tip of the arm 80, the vertical frame 89, 90 which are respectively erected on both ends of the lateral frame 88, a pallet 22 _F and置嵌engaging portion 91 mounting provided on the upper end of one of the vertical frame 89 as can fit, a fittable positioning pins 93 on the pallet 22 _F mounting is provided on the upper end of the other vertical frame 90 plate A part 92.

The rotation shaft 79 is rotatably supported by the base 78 via a pair of bearings 94 and 95, and a rotation drive mechanism 82 for rotating the rotation shaft 79. Is
A shaft 98 having a vertical axis and rotatably supported on a base 78 via a pair of bearings 96 and 97;
9, a drive gear 100 meshed with the driven gear 99 and fixed to the shaft 98, a drive arm 101 fixed at one end to the shaft 98, and a piston rod 1
And a horizontal drive cylinder 102 having the tip of the drive arm 02a connected to the other end of the drive arm 101. Thus, the diameter of the drive gear 100 is set to be twice the diameter of the driven gear 100, and the drive cylinder 102 is mounted on a support arm 103 extending laterally from the base 78 through a trunnion via a bracket 104. Supported.

[0033] In the front door reversing section 27 _F of the thus constructed pallet exchange and door <br/> inverting means 27, the shaft 98 is driven to rotate in a range of 90 degrees in accordance with the extending action of the drive cylinder 102 The rotating shaft 79, that is, the mounting table 8
1 is rotationally driven in a range of 180 degrees. Moreover, the mounting table 8
When 1 is in the original position indicated by the solid line in FIG. 7, Hamagono portion 91 and the mounting plate portion 92 of the mounting table 81, both support arms of the cradle 30 _F in the pallet lifting means 25 43,4
Located 3 out position, with the mounting table 81 is in the original position, when the pedestal 30 _F has been lowered to the lower delivery position P _B, the pedestal 30 _F is Hamagono portion 91 and the mounting By lowering below the placing plate portion 92, the cradle 3
0 pallet 22 _F on _F so that is transferred onto the mounting table 31. Further, when transferring the pallet 22 receiving the _F table 30 _F located on the mounting table 31, contrary to the above, the cradle 3
0 _F to bring a lower position than Hamagono portion 91 and the mounting plate portion 92, it is sufficient to raise the cradle 30 _F in this state.

The rear door reversing portion 27 _R can transfer the pallet 22 _{R to} and from the pedestal 30 _R in the pallet lifting / lowering means 25 in the same manner as the front door reversing portion 27 _F described above. 180 degree rotation about the vertical axis of the pallet 22 _R are possible.

[0035] Removal station S door transfer device in _T 14 _T, except that it has no pallet exchange and door reversing means 27, which has a door transfer unit 14 _I basically the same configuration, the vehicle body conveying Door delivery device 1 with doors D _FL , D _FR, D _RL , D _RR removed from vehicle body B on device BC facing inward.
It is delivered to the door conveying apparatus DC by 4 _T.

[0036] Next, to explain the action of this embodiment, the pallet of the door conveying device DC removal station S _T by pair brought in empty 2
2 _F, 22 _R are support projections 66 of both elevating mechanism 52 by the pallet unloading means 26 in the door transfer device 14 _T
a and 66a. Then pallet unloading unit 26 carries both pallet 22 _F, 22 _R to the upper transfer position P _A, pallet 22 _F on both the pedestal 30 _F, the 30 _R of the pallet lifting means 25 at the upper transfer position P _A , 22 _R is transferred, the pallet lifting means 25 conveys the both pallets 22 _F, 22 _R in the lower delivery position P _B.

[0037] Thus by removal station by the body conveying apparatus BC and S from the vehicle body B brought to _T of the left and right sides door _{D FL, D FR; D RL} , D RR is removed respectively by workers removed door _{D FL, D FR; D RL} , D RR are respectively positioned placed in a posture in which the outer surface on a pallet 22 _F, 22 _R waiting in the lower transfer position P _B outwardly.

[0038] Then, the door _{D FL, D FR; D RL} , D RR of the state of mounting the pallet 22 _F, 22 _R are the pallet lifting means 25 is moved to the upper transfer position P _A,
At the upper transfer position P _A , the pallets 22 _F and 22 _R are positioned and transferred from the receiving tables 30 _F and 30 _R onto the support projections 66 a and 66 a of the two lifting mechanisms 52 of the pallet unloading means 26. Means 26 wholesale palette product and Thus, after transporting both pallets 22 _F, 22 _R to door transport device DC, positioning places the pallet 22 _F, 22 _R on both hanger 17 and 17 of the door conveying device DC . Therefore, the door transfer device DC is provided with the doors D _FL ,
The pallets 22 _F and 22 _R carrying D _FR ; D _RL and D _RR are conveyed to the door outfitting line 16.

On the other hand, the mounting station S _I, the door D _FL posture inner surface after outfitting completion becomes outward, D _FR;
Pallets 22 _F , 2 which are transported with D _RL , D _RR mounted thereon
2 _F is wholesale pallet product from the door conveying device DC unit 2
6, 26 and pallet lifting the lower transfer position via a means 25, 25 P _B of the pallet exchange and door reversing means 27
Pallets 22 _F ,
22 By _R the inverted 180 degrees, the door D _FL which was inward inner _{surface, D FR; D RL, D} RR vehicle body conveying apparatus BC
Brought to both sides. Thus, on the vehicle body B after the completion of outfitting,
The doors D _FL , D _FR, D _RL , D _RR after the completion of the outfitting with the inner surface facing inward, that is, the mounting posture to the vehicle body B, are respectively mounted by the worker. Doors D _FL , D
_The pallets 22 _F and 22 _R emptied by the attachment of _FR ; D _RL and D _{RR to} the vehicle body B are transferred from the pallet transfer / door reversing means 27 to the pallet lifting / lowering means 25 and the pallet unloading means 26 and then to the door transport device Returned to DC.

[0040] Thus the door transfer device 14 _I is, between the pallet lifting means 25 and the door conveying device DC, to perform the transfer of the pallet 22 _F, 22 _R by the pallet unloading unit 26, the vehicle body transfer apparatus BC And pallet elevating means 25, 2 arranged on both sides of the door transfer device DC
5, the pallets 22 _F and 22 _{R on} which the doors D _FL and D _FR ; D _RL and D _RR are placed are lowered, and the lowered pallets 22
_F, straight RECEIVING the 22 _R pallet exchange and door reversing means 27
Since so as to only take 180-degree inverted, and drop means for lowering the delivery transport means to hanger from the door conveying apparatus, a lifting means for allowed to increase the hanger from the transfer carrying means to the door conveying device, between drop means and lifting means Of Japanese Patent Application Laid-Open No. 1-317881 which requires a delivery / transportation means extending over the vehicle and a reversing means provided in the middle of the delivery / transportation means.
As compared with the prior art of the publication, the size of the device can be reduced and the space can be saved.

The pallet elevating means 25 allows the receiving trays 30 _F and 30 _R to move in and out of the horizontal direction so as to approach and separate from the vehicle body transporting device BC and the door transporting device DC. Even if there is an obstacle such as the cover 49 between _B and the upper transfer position P _A , the pallets 22 _F and 22 _R can be easily moved between the two positions P _B and P _A together with the elevating operation of the lifting table 29. Becomes

[0042] Furthermore, the upper transfer position P _A, the guide post 28
The storage means 71 for storing the pallets 22 _F and 22 _R is provided between the pallets 22 _F and 22 _R , so that the transfer of the pallets 22 _F and 22 _R by the door transfer device DC and the transfer of the vehicle body B by the body transfer device BC are performed. When synchronization is lost for some reason, the pallets 22 _F and 22 _R are temporarily stored, so that the doors D _FL and D _FR ; D _RL and D between the vehicle body transfer device BC and the door transfer device DC. _{The RR} delivery timing can be adjusted.

In the above embodiment, the doors D _FL , D _FR ; D _RL , D _RR after the completion of the outfitting are transferred to the vehicle body B on the vehicle body transfer device BC.
Although so as to 180 degrees reversed immediately before attachment to, the door transfer device 14 _T in removal station S _T
A pallet transfer / door reversing means 27 is provided, and the doors D _FL , D _FR ;
_RL and D _RR may be inverted by 180 degrees.

[0044]

As described above, according to the first aspect of the present invention, pallets on which doors can be placed are set on both sides of the vehicle body transfer device and the door transfer device, at the sides of the vehicle body transfer device. Pallet elevating means for elevating and lowering between a lower transfer position and an upper transfer position set beside the door transfer device are respectively provided, and a door transfer device and the pallet transfer device are provided between the door transfer device and the upper transfer position. door conveying device as a possible exchange of the pallet between the pallet lifting means
Reciprocating the pallet in the direction across the transfer line
That pallet unloading means is disposed respectively, the lower delivery position, the pallet between said pallet lifting means
Placing capable location mounting the pallet as allow direct transfer
And a rotary drive mechanism that can rotate the mounting table.
To rotate the pallet 180 degrees around the vertical axis
Pallets transfer cum door reversal means are arranged respectively, between the upper door conveying device and below the vehicle body conveying device, you to apparatus for to transfer the door as possible the door reversal
And move the hanger along the transport direction of the door and vehicle body.
It is not necessary to provide a special hanger delivery / transportation means.
Therefore, it is possible to reduce the size and space of the device . Moreover, the pallet transfer provided at the lower delivery position
The receiving and door reversing means is provided between the pallet elevating means and the pallet.
The pallets can be placed so that
The pallet can be raised
Pallet transfer means between the descending means and the pallet door
Can also be used as the door reversing means for reversing driving
To reduce the size and space of the device
And work efficiency can be improved.
You.

According to the second aspect, in addition to the configuration of the first aspect, the pallet elevating means includes an elevating and lowering mechanism which is supported on a guide post provided on the side of the vehicle body transfer device so as to be able to ascend and descend. Since a receiving table on which a pallet can be placed is arranged so as to be able to move in the horizontal direction so as to approach and separate from the vehicle body transfer device and the door transfer device, there is an obstacle between the lower transfer position and the upper transfer position. Even if there is an object, the pallet can be easily moved.

[Brief description of the drawings]

FIG. 1 is a plan view showing a part of a vehicle assembly line according to an embodiment of the present invention.

FIG. 2 is a vertical sectional front view of the door delivery device taken along line 2-2 of FIG.

FIG. 3 is an enlarged sectional view taken along line 3-3 of FIG. 2;

FIG. 4 is a vertical sectional front view as viewed from the direction of arrow 4 in FIG. 3;

FIG. 5 is an enlarged sectional view taken along line 5-5 of FIG. 2;

FIG. 6 is a sectional view taken along line 6-6 in FIG. 5;

FIG. 7 is an enlarged plan view as seen from the direction of arrow 7 in FIG. 2;

FIG. 8 is a front view as viewed in the direction of arrow 8 in FIG. 7;

FIG. 9 is a side view as viewed in the direction of arrow 9 in FIG. 7;

FIG. 10 is an enlarged sectional view taken along line 10-10 of FIG. 8;

[Explanation of symbols]

14 _I: Door transfer device 22 _F , 22 _R: Pallet 25: Pallet lifting / lowering means 26: Pallet unloading means 27: Pallet transfer and door reversing means 28 ...... guide post 29 ...... elevation frame 30 _F, 30 _R ··· cradle 81 ...... mounting table 82 ...... rotary drive mechanism B ······ body BC ······ body conveying device DC ······ door conveying apparatus _{D FL, D FR, D RL} , D RR ··· door P _A ···· ..Upper delivery position P _B ... Lower delivery position

Continuation of the front page (56) References JP-A-3-159886 (JP, A) JP-A-1-317788 (JP, A) JP-A-61-119480 (JP, A) JP-A-61-23017 (JP, A) , A) (58) Field surveyed (Int. Cl. ⁷ , DB name) B62D 65/06

Claims (2)

(57) [Claims] A vehicle transport device (B) for transporting a vehicle body (B).
C), and doors (D _FL , D _RL ; D _FR , D _RR ) on both sides of the vehicle body (B) between the door transportation device (DC) disposed in parallel above the vehicle body transportation device (BC). In the door transfer device between the vehicle body transfer device and the door transfer device for transferring the vehicle, doors (D _FL , D _FR ; D _RL , D _RR ) are provided on both sides of the body transfer device (BC) and the door transfer device (DC). ) On which a pallet (22 _F , 22 _R ) can be placed on the lower transfer position (P _B ) set on the side of the body transfer device (BC) and the upper portion set on the side of the door transfer device (DC). Delivery position (P
Pallet lifting means for lifting and lowering movement between _A) (25)
There are disposed respectively, doors conveying device (DC) and between the upper transfer position (P _A) is a door carrying device (DC) and said pallet lifting means (25) pallet (22 _F between, 2
2 _R ) can be transferred, and the door transfer device (DC) can be transferred.
The pallet in a direction transverse to line (22 _F, 22 _R)
Disposed pallet unloading means for reciprocating (26), respectively, in the lower portion transfer position (P _B), the pallet (22 _F, 22 _R) directly between the said pallet lifting means (25)
Pallet ( _22F , _22R )
A mounting table (81) that can be mounted, and the mounting table (81)
The pallet (22 _F, 22 _R) can 180 rotated around the vertical axis pallet exchange and door reversing means (27) are disposed respectively and a capable rotation driving rotation drive mechanism (82) A door transfer device between a vehicle body transfer device and a door transfer device, characterized in that: 2. A pallet lifting means (25) includes a pallet (2) mounted on a lifting table (29) supported on a guide column (28) erected on the side of the vehicle body transfer device (BC) so as to be able to move up and down.
Cradle (30 _F , 30 _R ) on which 2 _F , 22 _R ) can be placed
The vehicle body transfer device and the door transfer device according to claim 1, wherein the device is disposed so as to be able to move in and out of a horizontal direction so as to approach and separate from the body transfer device (BC) and the door transfer device (DC). Door delivery device between.