JP2789142B2 - Transportation method and apparatus for automobile assembly - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for transporting an automobile body in a suspended state while suspending an automobile assembly at a mounting position and transporting an engine assembly to a transfer position in a suspended state.
The present invention relates to an automobile assembling method and apparatus for receiving an engine assembly at a transfer position and transferring the engine assembly to the assembly position in order to assemble the engine assembly into the automobile body once stopped at the assembly position.

[0002]

2. Description of the Related Art Conventionally, an automobile body is transported by a body transport overhead conveyor, and an engine assembly transported by an engine assembly transport overhead is received at a transfer position, and the vehicle body is transported in the middle of the body transport overhead conveyor. An apparatus for transferring the sheet to an assembling position is known, for example, from Japanese Patent Publication No. 1-171619.

[0003]

However, in the above-mentioned conventional apparatus, a transfer conveyor having a transfer jig which can be moved up and down is moved to a transfer position in the middle of an engine assembly transfer overhead conveyor, and to a body transfer overhead. It is laid between the assembly position in the middle of the conveyor and the transfer position for transferring the engine assembly from the overhead conveyor for transporting the engine assembly onto the transfer jig when transferring the engine assembly. Lifting the transfer jig, lowering the transfer jig, moving the transfer jig from the transfer position to the assembly position, and mounting the engine assembly on the transfer jig in the body. A step of raising the transfer jig at the mounting position, a step of lowering the transfer jig, and a step of returning the transfer jig to the transfer position are necessary. Since it takes a relatively long time to execute the steps, the line speed of the process of assembling the engine assembly to the body is determined by the time required to transfer the engine assembly between the transfer position and the assembly position. , Could not cope with the increase in production.

SUMMARY OF THE INVENTION The present invention has been made in view of the above circumstances, and has been made in consideration of the above circumstances, and has a method for efficiently transporting an engine assembly from a transfer position to an assembling position so as to cope with an increase in production. And an apparatus.

[0005]

In order to achieve the above-mentioned object, the method of the present invention enables a temporary stop at an assembly position, transports a vehicle body in a suspended state, and moves an engine assembly in a suspended state. In the transfer method for automobile assembly, the engine is transferred to the transfer position, and the engine assembly is received at the transfer position and transferred to the assembly position so as to assemble the engine assembly to the automobile body once stopped at the assembly position. The transfer position and the assembling position are set such that the first straight transfer line passing through the transfer position and the second straight transfer line passing through the assembling position are orthogonal to each other, and the first and second positions are set.
A transfer position at the intersection of the transfer lines and a standby position on the first transfer line adjacent to the transfer position on the side opposite to the transfer position are set, and the engine assembly is placed on the first pallet at the transfer position. And the first pallet on which the engine assembly is mounted is moved from the transfer position to the transfer position along the first transfer line, so that the second pallet remaining empty and at the transfer position is moved. After the first pallet on which the engine assembly is mounted is moved from the transfer position to the standby position, and the first pallet on which the engine assembly is mounted is moved from the transfer position to the assembly position along the second transfer line, the engine assembly is mounted on the body and the empty space is removed. While returning the changed first pallet to the transfer position by reversing the second transfer line, moving the empty second pallet waiting at the standby position to the transfer position by reversing the first transfer line. Features.

[0006] The apparatus of the present invention also includes an overhead conveyor for transporting an automobile body in a suspended state, which can be temporarily stopped at an assembly position, and an engine assembly transport for transporting an engine assembly in a suspended state. An automobile assembling transfer device, comprising: an overhead conveyor, and a transfer means for transferring the engine assembly between the transfer position and the assembling position so as to assemble the engine assembly into the body temporarily stopped at the assembling position. A first straight transfer line passing through the transfer position and a second straight transfer line passing through the assembly position
The transfer position and the assembling position are set so that the transfer line is orthogonal to the transfer line, and the transfer position at the intersection of the first and second transfer lines is adjacent to the transfer position on the side opposite to the transfer position. A standby position on the first transfer line is set, respectively, and the transfer means receives the pair of pallets on which the engine assemblies can be mounted and the engine assembly suspended from the engine assembly transport overhead conveyor. A first transfer conveyor that can be moved up and down and is disposed at a transfer position, and can be moved to and from a transfer position along one of the first transfer lines and is disposed between the transfer position and the transfer position and at a standby position; Lower and upper positions at which pallets can be transferred between the second and third transfer conveyors and the second and third transfer conveyors. A second transfer line having a mounting table which can be moved up and down between upper limits at which the engine assembly can be mounted on the body suspended by the conveyor, and which can reciprocate between the transfer position and the mounting position of the mounting table; A fourth transfer conveyer laid along, and an extrusion drive mechanism for extruding a pallet on the second transfer conveyer located between the transfer position and the transfer position onto the mounting table at the lower limit position at the transfer position;
A conveyor drive mechanism for driving one of the second and third transfer conveyors along the first transfer line, wherein the first, second, and third transfer conveyors move the pallet in both directions along the first transfer line. The second and third transfer conveyors are configured as possible, and the second and third transfer conveyors are disposed on the first transfer line at the same level as the first transfer conveyor at the lowermost position at the transfer position.

[0007]

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

FIGS. 1 to 7 show an embodiment of the present invention. FIG. 1 is an overall schematic plan view, and FIG.
FIG. 3 is an enlarged sectional view taken along line 3-3 of FIG. 1, FIG. 4 is an enlarged sectional view taken along line 4-4 of FIG. 3, and FIG. 5 is a sectional view taken along line 5-5 of FIG. FIG. 6 is a sectional view taken along line 6-6 of FIG. 4, and FIG. 7 is a sectional view taken along line 7-7 of FIG.

Referring to FIGS. 1 and 2, an engine assembly E in which an engine, a front axle, a front suspension and the like are assembled at a front portion of an automobile body B.
In the assembling step of assembling, the body B is transported by the body transport overhead conveyor 13 in a vertical posture in which the front-rear direction is along the body transport direction 11, and the engine assembly E is moved in the longitudinal direction in the engine assembly transport direction. It is conveyed by an engine assembly conveying overhead conveyor 14 in a posture orthogonal to 12.

[0010] Body transport overhead conveyor 13
Are three guide rails 15, 16, 17 arranged at respective apex angles of a virtual triangle in a plane orthogonal to the body transport direction 11, and the guide rails 15
And a hanger 18 running along
8, the body B has its front-rear direction in the body transport direction 11;
Is placed in a horizontal position perpendicular to the direction. That body carrying overhead conveyor 13 is for conveying in a suspended state body B, once it is possible to stop the hanger 18 i.e. the body B at assembling position P _M that is set in the middle thereof conveyance. In assembling position P _M, a pair of positioning cylinders 19, 19 which extends vertically
There are fixedly arranged on the floor, respectively, by fitting the positioning pins 20 on the hanger 18 which is stretchable actuated respectively by their positioning cylinder 19, the hanger 18 i.e. the body at the assembly position P _M B is positioned.

The engine assembly transport overhead conveyor 14 includes an engine assembly E mounted on a chain 24 which is suspended from a moving body 23 which can travel along a guide rail 22.
Is engaged to transport the engine assembly E in a suspended state along the engine assembly transport direction 12. Thus, the guide rail 22 is moved in the body transport direction 1
1 is formed in an endless manner by connecting a forward part 22a and a return part 22b parallel to each other in a horizontal plane. The moving body 23, that is, the engine assembly E can be temporarily stopped at the transfer position _PT set corresponding to the end of the portion 22a.

[0012] The on the floor surface 25 is drawn between the transfer position P _T and the assembly position P _M is transfer means 26 is disposed,
The engine assembly E, which has been transported to the transfer position _PT by the engine assembly transport overhead conveyor 14, is temporarily stopped at the transfer position _PT and then transferred to the transfer means 26 side. Therefore, the moving body 23 after passing the transfer position _PT along the engine assembly transport direction 12 moves along the engine assembly transport direction 12 in an empty state where the engine assembly E is not suspended. become.

By the way, an assembling position P _{M in} the middle of the body transport overhead conveyor 13 and a transfer position P _{T in} the middle of the engine assembly transport overhead conveyor 14.
Means a linear first transfer line L passing through the transfer position _PT.
1 and a straight line of the second transfer line through the assembled position P _M L ₂
Are set to be orthogonal to each other. Moreover the first and second transfer lines L _1, L transfer position P _C is the intersection of _2, also the transfer position P _T at first on the transfer line L ₁ adjacent to the transfer position P _C on the opposite side To the standby position P _W
Are set respectively.

Referring also to FIG. 3, the transfer means 26 comprises:
Forward and backward with the engine assembly E to be placed each pair of pallets 27 and 27, the first transfer conveyor 28 which is disposed transfer position P _T, the transfer position P _C along the first transfer line L ₁ The transfer position P _C and the transfer position P
The second transfer conveyor 29 arranged between the _T and the standby position P
A third transport conveyor 30 disposed _W, transfer position P _C
And assembling position P and the fourth transport conveyor 31 which is laid along the second transfer line L ₂ over a period _M, transfer position P _T
And pallets 27 on the second transfer conveyor 29 located between the transfer position P _C and the extrusion drive mechanism 32 for extruding the transfer position P _C side, along a second transfer conveyor 29 to the first transfer line L ₁ And a conveyor driving mechanism 33 for driving.

Referring to FIG. 4 and FIG. 5, the first transfer conveyor 28 is a box-shaped frame 3 having a rectangular shape.
5, with a number of rollers 36 along the first transfer line L ₁ in parallel one by 3 for example a plurality of positions spaced ... is pivotally supported, the transmission mechanism to each of the rollers 36 ... comprising chain and sprocket 38 motor 37 of the universal forward and reverse rotation are connected in common via a are those, which are arranged, can be moved in both directions along the pallet 27 to the first transfer line L _1.

An elevator cylinder 39 having a vertical axis is fixedly disposed on the floor surface 25 at the transfer position _PT , and the piston rod 3 extending upward from the elevator cylinder 39 is provided.
The upper end of 9 a is connected to the center of the bottom of the frame 35 in the first transfer conveyor 28.

Accordingly, the upper limit position for receiving the engine assembly E suspended from the engine assembly transport overhead conveyor 14 on the pallet 27 and the pallet 27 in accordance with the extension / contraction operation of the lifting cylinder 39. The first transfer conveyor 28 moves up and down between the lower limit position where the engine assembly E is lowered.

With further reference to FIGS. 6 and 7,
The second transfer conveyor 29, to the frame 40 of the formed box-shaped in a square shape, a number of rollers in parallel by interval three example a plurality of positions spaced along the first transfer line L ₁ 41
Are rotatably supported, and a forward / reverse rotatable motor 42, which is commonly connected to the rollers 41 through a transmission mechanism 43 including a chain and a sprocket, is provided. it can be moved in both directions along the first transfer line L _1.

On the bottom of the pallet 27, the first
A pair of locking projections 44, 44 are projected into the transfer position P _T toward along the transport line L _1, the first conveying line L
_A pair of locking projections 45, 45 near the standby position P _W along ₁
Is protruded. On the other hand, the frame body 40 has a pair of regulating arms rotatable from a transfer position _PT side between a position engaging with the pair of locking projections 44, 44 and a position releasing the engagement. And a pair of regulating arms 47, which are rotatable between a position to be engaged with the pair of locking projections 45 from the standby position _PW side and a position to release the engagement. 47 are provided, one of the regulating arms 46, 46 is connected to a regulating cylinder 48 supported on the bottom of the frame 40, and the other of the regulating arms 47, 47 is coupled to the frame 40. Is connected to a regulating cylinder 49 supported on the bottom of the cylinder. Thus, the regulating arms 46, 46;
The 7 and 47 locking projection 44, 44; 45, 45 to regulate the movement along the first transfer line L ₁ of the pallet 27 on the second transfer conveyor 29 by engaging to the pallet 2
7 positions can be determined.

Flanges 51, 51 extending laterally from the upper ends of both sides of the frame 40 and extending toward the transfer position _PT are provided, and these flanges 51, 51 are provided on the floor surface 25. Guide portions 53, 53 provided on a support frame 52 fixedly disposed thereon are slidably fitted respectively. First transfer line along the length L _1, the guide portion 53 of the flange portion 51 even in a state where the frame body 40 is moved to the transfer position P _C of Thus to flange portion 51 and the guide portion 53, 53, It is set so that the frame body 40 can be supported in a cantilevered state while maintaining the state of being fitted to 53.

The third transfer conveyor 30 has a plurality of rollers 55 arranged in parallel at a plurality of positions spaced along the first transfer line L ₁ , for example, in a box-shaped frame 54 having a rectangular shape. Are supported, and a forward / reverse rotatable motor 56 commonly connected to the rollers 55 through a transmission mechanism (not shown) such as a chain and a sprocket is provided. , it can be moved in both directions along the pallet 27 to the first transfer line L _1. Moreover, the frame 54 is fixed on the support frame 57 fixedly arranged on the floor surface 25 at the standby position _PW .

[0022] Although the first to third transport conveyors 28 to 30 are disposed along the first transfer line L ₁ in this way,
The second and third transfer conveyors 29 and 30 are located at the transfer position P
It is arranged at the same level as the first transfer conveyor 28 at the lower limit position at _T.

The support frame 52 has a first transfer line L₁To
Along the transfer position P_CMoved to the transfer position P side from
A stopper 58 is provided to abut the pallet 27 and regulate the movement.
The support frame 57 has a first transfer line L₁along
Transfer position P_CTo standby position P _WThe palette that has moved to the side
A stopper 59 is provided for abutting against the
It is.

Transfer position P_TAnd transfer position P_CIn between
Transfer position P on pallet 27 on second transfer conveyor 29_C
The extrusion drive mechanism 32 for extruding to the side
A fixed frame 61 fixedly arranged on the floor surface 25 on one side;
1 transfer line L₁On the fixed frame 61 with an axis
And a cylinder fixed on the fixed frame 61.
The first transfer line L guided by the id rail 63₁Along
The piston rod 62a of the cylinder 62
Table 64 connected to the first transfer line L ₁Along
A motor 6 having an output shaft and fixedly arranged on a movable base 64
5 and an engagement arm whose base end is connected to the output shaft of the motor 65
66.

On the other hand, each pallet 27 has the engaging arm 6
6 are provided with engaging portions 67 which can be engaged with the tips. And Thus, the locking portion 67, control arm of the second transfer conveyor 29 located between the transfer position P _T and transfer position P _C 46,4
6; With the pallet 27 positioned at 47, 47, the motor 65 is operated when the cylinder 62 is in the extended state, and the pallet 27 is disposed on the pallet 27 at a position where the engaging arm 66 can be engaged. .

The conveyor driving mechanism 33 includes support frames 52, 5
7, a fixed rack 69 fixed on the support plate 68, and a movable rack fixed to a lower portion of the frame 40 of the second transfer conveyor 29 along the first transfer line L _1. 70, a cylinder 71 fixedly supported by a supporting frame 52 having an axis along the first transfer line L _1, the piston rod 71 in the cylinder 71
and a pinion 72 that is supported at the distal end of a and is engaged with the fixed rack 69 and the movable rack 70.

According to the conveyor driving mechanism 33, the expansion / contraction operation of the cylinder 71 reduces the amount of expansion / contraction of the cylinder 71 by two.
Only times the distance of the movable rack 70 i.e. the frame body 40 will be moved along the first transfer line L _1, the second transfer conveyor 29, and between the transfer position P _T and transfer position P _C,
It can reciprocate between a transfer position P _C. Moreover, the conveyor drive mechanism 33 is connected to the first transfer line L so that the operation of the fourth transfer conveyor 31 is not hindered.
It is arranged on _one single side closer.

The fourth transport conveyor 31 is intended to be disposed over the inter-transfer position P _C and the assembly position P _M,
Guide rails are provided on both sides of the pit 74 provided on the floor surface 25 along the second transfer line L ₂ 73, 73
When their a base 75 which is guided back and forth movement by the guide rails 73 and 73 along the second transfer line L _2, the lifting cylinder having a piston rod 76a extending upward is fixedly disposed on the base 75 76 and piston rod 76
a mounting table 77 fixed to the upper end of the second transfer line L
A cylinder 78 which is fixedly supported on the bottom of the pit 74 has an axis along _2, a pinion 79 which is pivotally supported on the distal end of the piston rod 78a of the cylinder 78, along a second transfer line L ₂ Fixed rack 8 fixedly arranged at the bottom of pit 74 and meshed with pinion 79
0, and a movable rack 81 extending along the second transfer line L ₂ and fixed to a lower portion of the base 75 and meshed with the pinion 79.

In order to facilitate the transfer of the pallet 27 from the second transfer conveyor 29, a large number of rollers 82 contacting the lower surface of the pallet 27 and a large number of rollers 82 contacting both side surfaces of the pallet 27 And the rollers 83 are rotatably supported. The mounting table 77 has a pair of locking projections 44 provided on the pallet 27.
A pair of regulating arms 84, 84 rotatable between a position engaged from the transfer position _PT side and a position released from the engagement.
And a pair of locking projections 4 provided on the pallet 27.
5 and 45, a pair of restricting arms 8 rotatable between a position engaged from the standby position _PW side and a position disengaged therefrom.
5 and 85 are provided, respectively. One set of regulating arms 84 and 84 is connected to a regulating cylinder 86 supported on the bottom of the mounting table 77, and the other set of regulating arms 85 and 85 is provided.
Is connected to a regulating cylinder 87 supported on the bottom of the mounting table 77. Thus, the regulating arms 84, 84; 85, 85 are locked by the two regulating cylinders 86, 87 to the locking projections 44, 44;
The pallet 27 is positioned on the mounting table 77 by engaging with the pallets 5 and 45.

In such a fourth transfer conveyor 31,
Moves the pallet 27 by the expansion and contraction operation of the cylinder 78.
The mounting table 77 on which the fixed mounting is performed is changed to the transfer position P._CAnd assembly position
Place P _MIt can be moved back and forth between the two, and the mounting position
Place P_MThe cylinder 76 is extended and retracted with
To a predetermined position to assemble the engine assembly E to the disk B
The mounting table 77 can be raised with
The mounting table 77 on which the pallet 27 that has become empty after the mounting is mounted
At the same level as the second and third transfer conveyors 29 and 30
Can be lowered.

[0031] Next, to explain the action of this embodiment, the body carrying an overhead conveyor 13 temporarily stops the body B came transported by suspended state along the body conveying direction 11 in assembled position P _M . On the other hand, the engine assembly transport overhead conveyor 14 stops the engine assembly E transported in a suspended state along the engine assembly transport direction 12 at the transfer position _PT . At this time, the first transfer conveyor 28 one pallet 27 on the ants in transfer position P _T, the second transfer conveyor 29 lies between the transfer position P _T and transfer position P _C, the fourth transport conveyor 31 is the other pallet 27 on table 77 mounting in a state that the mounting table 77 and the transfer position P _C is empty
There is.

In this state, the first transfer conveyor 28 is raised to the upper limit position by the lifting cylinder 39, and the engine assembly E suspended from the engine assembly transport overhead conveyor 14 is moved to the pallet on the first transfer conveyor 28. 27. Next, the first transfer conveyor 28 is lowered to the lower limit position, and the re-operation of the overhead conveyor 14 for transporting the engine assembly is started, and the moving body 23 emptied from the transfer position is moved along the transport direction 14 of the engine assembly. And the next moving body 23 in a state where the engine assembly E is suspended moves to the transfer position _PT .

The motor 37 of the first transfer conveyor 28 and the motor 42 of the second transfer conveyor 29 start operating after the first transfer conveyor 28 has been lowered to the lower limit position, and thereby the pallet on which the engine assembly E is mounted. 27 from the first transfer conveyor 28 of transfer position P _T, moves to the second transfer conveyor 29 on which lies between the transfer position P _T and transfer position P _C. The operation of the regulating cylinders 48, 49 in the second transfer conveyor 29 causes the regulating arms 46, 46;
47, 47 are locking projections 44, 44;
5 and 45, and the pallet 27 is
9 at a predetermined position.

Then, the motor 65 in the push-out drive mechanism 32 is operated to rotate the engagement arm 66 by 90 degrees, and the engagement arm 66 is engaged with the locking portion 67 of the pallet 27. Thus, the locking projections 44, 4 of the regulating arms 46, 46;
4; after releasing the engagement of the 45, 45 and allowed to shrink actuating the cylinder 62, the pallet 27 on the second transfer conveyor 29 is pushed transfer position P _C side. On the other hand, in the fourth transport conveyor 31, in a state of arranging the table 77 to the transfer position P _C, and an empty pallet 27 is resting on top thereof mounting table 77. Therefore, as the pallet 27 carrying the engine assembly E is pushed on the mounting table 77 of the transfer position P _C by extrusion drive mechanism 32 from above the second transfer conveyor 28, air that was on the table 77 Palette 2
7 will move to the standby position _PW .

[0035] Then, the fourth transport conveyor 31, after positioning on the mounting table 77 mounting the pallet 27 carrying the engine assembly E, moving the mounting table 77 to the assembling position P _M. Thus to assembling position P of the mounting table 77 from the transfer position P _C
After transfer to _M, the second transfer conveyor 29 to the transfer position P _C became empty comes moved. That is, by extending action of the cylinder 71 in the conveyor drive mechanism 33, the frame body 40 of the second transfer conveyor 29 is moved to the transfer position P _C, thereby, the second transfer conveyor 29 of the transfer position P _C, the standby position P _W And the third transfer conveyor 30 are connected to each other. Therefore, the second and third transfer conveyors 2
The reverse action of 9,30, empty pallets 27 lies at the standby position P _W is moved to the upper second transport conveyor 29 of the transfer position P _C, further second transfer conveyor 29 by the conveyor drive mechanism 33 transfers moved to between positions P _C and transfer position P _T.

In this way, the second transfer conveyor 29 is connected to the first transfer conveyor 28, so that the first
And the motor 3 in the second transfer conveyors 28 and 29
By the reverse operation of 7, 42, the empty pallet 27 moves onto the first transfer conveyor 28 at the transfer position _PT .

On the other hand, the pallet 27 becomes empty by assembling the engine assembly E to the body B at the assembling position P _M is
The fourth transport conveyor 31 is table 77 according to operated to shift to the transfer position P _C, will return to transfer position P _C while resting on the mounting table 77.

[0038] By repeating this procedure sequentially, an engine assembly E which carries on one pallet 27 during transfer from the transfer position P _T in the assembled position P _M, the other pallet 27 is empty The pallet can be brought to the transfer position _PT to prepare for the next transfer of the engine assembly E, and the engine assembly E can take a longer time to return the pallet from the assembly position to the transfer position. can transfer efficiently from transfer position P _T in the assembled position P _M, the body B
It is possible to increase the line speed of the process of assembling the engine assembly E to the engine and cope with an increase in production.

[0039] In the above embodiment, in order from the standby position P _W of the pallet 27 is empty movement to transfer position P _C, second
The transfer conveyor 29 has been so moved to the transfer position P _C, it may be the third transport conveyor 30 from the standby position P _W to move to a transfer position P _C.

[0040]

As described above, according to the method of the present invention, the engine assembly is mounted on the first pallet at the transfer position, and the first pallet on which the engine assembly is mounted is moved from the transfer position. By moving to the transfer position, the second pallet which was in the transfer position while being empty is pushed out from the transfer position to the standby position, and the first pallet on which the engine assembly is mounted is moved from the transfer position to the assembly position. While returning the first pallet, which has been emptied by the assembly of the engine assembly to the body after returning to the transfer position, the empty second pallet waiting at the standby position is moved to the transfer position. , The engine assembly to the body at the assembly position and the transfer of the engine assembly at the transfer position are executed almost in parallel, and the transfer of the engine assembly from the transfer position to the assembly position is efficient. Do well and deal with increased production Can.

Further, according to the apparatus of the present invention, the transfer means is provided with the first transfer conveyor disposed at the transfer position and the transfer means for enabling the advance / retreat operation to any one of the transfer positions, between the transfer position and the transfer position, and between the transfer position and the transfer position. Pallets can be transferred between the second and third transfer conveyors arranged at the standby position and the second and third transfer conveyors, and the engine assembly can be mounted on the body of the body-conveying overhead conveyor. A fourth transfer conveyor for reciprocating a mounting table that can be raised and lowered between the transfer position and the assembling position, and a pallet on the second transfer conveyor between the transfer position and the transfer position to the lower limit position at the transfer position. Since there is provided an extrusion drive mechanism for pushing out onto the existing mounting table, and a conveyor drive mechanism for driving one of the second and third transfer conveyors along the first transfer line. It can be performed efficiently replaced at transfer positions of the pair of the pallet, transfer means compactly, the present invention method can be properly carried out.

[Brief description of the drawings]

FIG. 1 is an overall schematic plan view.

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

FIG. 3 is an enlarged sectional view taken along line 3-3 in FIG.

FIG. 4 is an enlarged view taken along line 4-4 in FIG. 3;

FIG. 5 is a sectional view taken along line 5-5 in FIG. 4;

FIG. 6 is a sectional view taken along line 6-6 of FIG. 4;

FIG. 7 is a sectional view taken along line 7-7 of FIG. 4;

[Explanation of symbols]

13 Overhead Conveyor for Transporting Body 14 Overhead Conveyor for Transporting Engine Assembly 26 Transfer Means 27 Pallet 28 First Transfer Conveyor 29 Second Transfer Conveyor 30 Third Transfer Conveyor 31 Fourth Transfer Conveyor 32 Extrusion Drive Mechanism 33 Conveyor Drive Mechanism 77 Mounting Table B body E engine assembly L ₁ first transfer line L ₂ second transfer line P _C transfer position P _M assembly position P _T transfer position P _W standby position

──────────────────────────────────────────────────続 き Continuation of the front page (72) Inventor Tadataka Takeda 4-33-1, Sayamadai, Sayama-shi, Saitama Prefecture Daiharu Corporation 203 (56) References JP-A-61-2697 (JP, A) Hei 1-16719 (JP, B2) (58) Fields investigated (Int. Cl. ⁶ , DB name) B23P 19/00, 21/00 B62D 65/00 B65G 47/00

Claims (2)

(57) [Claims] 1. An assembling position (P_M) Can be temporarily stopped
To transport the car body (B) in a suspended state
To the transfer position with the engine assembly (E) suspended
(P_T) To the assembly position (P_M) Temporarily stopped
Attach the engine assembly (E) to the car body (B)
Therefore, the transfer position (P_T) Receives the engine assembly (E)
Take the assembly position (P_M) Transportation for automobile assembly
In the transfer method, the transfer position (P_T) Through the straight
One transfer line (L₁) And assembly position (P _M) Straight line
Second transfer line (L_Two) Is orthogonal to
Mounting position (P_T) And assembly position (P_M)
First, the first and second transfer lines (L₁, L_Two) Intersection
Transfer position (P_C) And the transfer position (P_T) Opposite
At the transfer position (P_C), The first transfer line (L₁)
Upper standby position (P_W) And transfer position
(P_T) To the first pallet (2).
7) The first part on which the engine assembly (E) is mounted
Pallet (27) is transferred to the first transfer line (L₁)along
Transfer position (P_T) To the transfer position (P_C)
And the transfer position (P_CThe second was in
Transfer the pallet (27) to the transfer position (P_C) To the standby position (P
_W) And the first with the engine assembly (E) mounted.
The pallet (27) is transferred to the second transfer line (L_TwoSquared along)
Replacement position (P_C) To assembly position (P_MAfter moving to
By attaching the engine assembly (E) to the body (B)
The empty first pallet (27) is transferred to the second transfer line
(L_Two), The transfer position (P_C)
Standby position (P_WEmpty second pallet waiting at)
(27) to the first transfer line (L₁Transfer order
(P_TFor automobile assembly characterized by moving to
Transport method. 2. An assembling position (P_M) Can be temporarily stopped
That transports the car body (B) in a suspended state
Transport overhead conveyor (13) and engine set
Engine assembly transportation for transporting the solid (E) in a suspended state
Overhead conveyor (14) and assembly position
(P_M), The engine is temporarily stopped in the body (B).
In order to assemble the assembly (E), the transfer position (P_T) And
And assembly position (P_M) To transfer the engine assembly (E)
Transfer means (26) with
At the transfer position (P_T) A straight first transfer line
Inn (L₁) And assembly position (P_MA) a straight second through
Transfer line (L_Two) Is perpendicular to the transfer position
(P_T) And assembly position (P_M) Is set
First and second transfer lines (L₁, L_Two) Intersection
Transfer position (P_C) And the transfer position (P_TOn the other side
Transfer position (P_C), The first transfer line (L₁)Up
Standby position (P_W) Is set respectively, and the transport means
(26) can mount the engine assembly (E)
A pair of pallets (27) and an
Engine suspended from the bar head conveyor (14)
To be able to move up and down to receive the assembly (E)
(P_T), A first transfer conveyor (28),
One of the first transfer lines (L₁Transfer position along)
(P_C) To the transfer position (P_C)
And transfer position (P_T) And standby position (P_W)Niso
The second and third transfer conveyors (29,
30) and the second and third transfer conveyors (29, 30)
The lower limit position where the pallet (27) can be transferred between
On the overhead conveyor for body transport (13)
Assemble the engine assembly (E) with the suspended body (B)
A mounting table (77) that can be moved up and down between
And the transfer position (P _C)
And assembly position (P_M2) to allow reciprocating movement between
Transfer line (L_Two4th transfer conveyor laid along
A (31) and the transfer position (P_T) And transfer position
(P_C) The palette on the second transfer conveyor (29)
(27) at the transfer position (P_C) At the lowermost position
(77) an extrusion drive mechanism (32) for pushing upwards,
And one of the third transfer conveyors (29, 30)
The first transfer line (L₁Conveyor drive to drive along)
And a first, second, and third transfer controllers.
The bare (28, 29, 30) is the first transfer of the pallet (27).
Transmission line (L₁) Can be moved in both directions along
And the second and third transfer conveyors (29, 3
0) is the transfer position (P_T) At the lower limit position
Transfer line (L) at the same level as the conveyor (29).₁)
A transfer device for assembling a vehicle, characterized in that the transfer device is disposed on the upper portion.
Place.