JPS62205916A - Relocating device for automobile body - Google Patents

Abstract

PURPOSE:To smoothly relocate a car body between an overhead conveyer and a running truck, by providing a lifter to be movably arranged reciprocating between the lower of the overhead conveyer and the upper of the running truck. CONSTITUTION:When a car body 1 is relocated, a running truck 3 is placed awaiting in a relocating position P. Here a base bed 14 of the truck 3 is adapted to a supporting bed 18 so that the upper surface of said bed 14 is connected in the same level with the upper surface of the supporting bed 18. The car body 1, which is conveyed by an overhead conveyer 2 to an upper position of the supporting bed 18 in the relocating position P, stops. Next the car body 1, if a mounting plate 21 of a lifter 4 is lifted, is lifted by the mounting plate 21, being relocated from a mounting part 11 of an arm 7 to the upper of the mounting plate 21. Then the lifter 4 is moved from the supporting bed 18 onto the base bed 14 of the truck 3 and stopped. Thereafter the car body 1 is relocated from the upper of the mounting plate 21 onto both receiving members 16.

Description

[Detailed Description of the Invention] A0Objective of the Invention +l) Industrial Application Field The present invention provides an overhead conveyor comprising an arm for moving a car body supported on a frame that can run along a ceiling rail; The present invention relates to a vehicle body transfer device for transferring a vehicle body to and from a traveling trolley which has a pair of receiving members for receiving left and right bottom portions of the vehicle body and is capable of traveling on a floor surface.

(2) Conventional technology Conventionally, in the automobile assembly process, the engine, wheels, etc. are attached to the vehicle body while being transported by an overhead conveyor. I am trying to transfer the .

(3) Problems to be solved by the invention However, the transportation of vehicle bodies by an overhead conveyor is
Because the longitudinal direction of the car body always matches the progressive direction,
It is difficult to automate the assembly of parts.

Therefore, the present applicant has proposed a technology in which a car body is placed on a traveling trolley that can be angularly displaced around the vertical axis, and the car body is transported while changing its direction arbitrarily. Changing the orientation makes it easier to automate parts assembly work.

However, even if a traveling trolley is used in the assembly process, the painting process, which is the process that precedes the assembly process, requires the vehicle body to be transported by an overhead conveyor, so the vehicle body cannot be smoothly transferred from the overhead conveyor to the traveling vehicle. You will need a device to obtain it.

The present invention has been made in view of the above circumstances, and it is an object of the present invention to provide a vehicle body transfer device that allows the vehicle body to be smoothly transferred between an overhead conveyor and a traveling truck.

B8 Structure of the Invention (1) Means for Solving the Problems According to the present invention, at a preset transfer position, a lifter equipped with a lifting plate for receiving a car body is installed on an overhead conveyor. It is arranged so that it can be moved back and forth between the lower part and the traveling trolley.

(2) Function The car body is transported to the transfer position by an over-rotation conveyor, but at this time, there is a lid on the bottom of the car body.
As the lifter moves upward, the vehicle body is transferred from the overhead conveyor to the lid placement plate, and as the lifter moves onto the traveling carriage and descends, the vehicle body is transferred from the R placement plate to the receiving member.

(3) Embodiment An embodiment of the present invention will be described below with reference to the drawings. First, in FIGS. 1 and 2, a vehicle body 1 is conveyed to a transfer position P by an overhead conveyor 2. In addition, a traveling cart 3 is waiting at the transfer position P, and the overhead conveyor 2 is
The vehicle body 1 is transferred from there to the traveling truck 3.

The overhead conveyor 2 includes a ceiling rail 5, a frame 6 running along the ceiling rail 5, and the frame 6.
, and a pair of left and right arms 7 supported so as to be openable and closable. The ceiling rail 5 is formed in a channel shape and extends on the ceiling, and a plurality of rollers 9 that are removably engaged with the ceiling rail 5 are attached to support fittings 8 that are respectively protruded from the front and rear upper portions of the frame 6. is pivoted. Therefore, the frame 6 can run along the ceiling rail 5.

Each arm 7 includes a support portion 1o extending vertically, and a support portion 10.
The supporting portion 1 is formed by connecting a support portion 11 horizontally from the lower end of the support portion 11 toward the rear along the conveyance direction 12 in an oval shape.
The upper end of the frame 6 is openably and closably supported by a support shaft 13 having a horizontal axis along the conveyance direction 12 . Both arms 7 are arranged such that the distance between both supporting parts 10 is greater than the width of the vehicle body 1 in the closed state, and the left and right bottoms of the vehicle body 1 are placed on the mounting parts 11 of the arms 7, respectively. It will be posted.

The traveling trolley 3 has a rectangular base 14, on which a receiving member 16 is disposed so as to be movable up and down along a pair of guide posts 15 erected on the base 14. A plurality of wheels (not shown) are attached to the base 14, and the traveling trolley 3
can run on the floor surface 17 in either of two mutually orthogonal directions.

Both guide posts 15 are erected on a base 14 with an interval larger than the width of the vehicle body 1, and the left and right bottom portions of the vehicle bodywork are placed on both receiving members 16.

A hollow support base 18 is provided on the floor surface 17 of the transfer position P, and has an upper surface that is flush with the upper surface of the base 14 of the traveling trolley 3 that is on standby. This support stand 18 and base 14
A lifter 4 is disposed so as to be movable between the top and the top.

In FIGS. 3 and 4, the lifter 4 includes a frame 19, four wheels 20 attached to the frame 19 to move between the support base 14 and the base 14, and a mount on which the vehicle body 1 is placed. It includes a placing plate 21, an elevating mechanism 22 interposed between the frame body 19 and the placing plate 21, and an elevating cylinder 23 for driving the elevating mechanism 22.

The frame 19 is formed in a rectangular shape with an open top, and wheels 20 are attached to the left, right, front and rear outer sides of the frame 19, respectively. Moreover, the width of the frame body 19 is set to be smaller than the distance between both receiving members 16 in the traveling carriage 3.

The elevating mechanism 22 is composed of a pair of left and right links 24 and 25 that intersect in an X-shape. One end of one link 24 is connected to a shaft 26 that pivotally supports both axles 20 on the front side of the frame 19, and the other end of the link 24 has a rotation axis parallel to the shaft 26 and has a mounting plate. Roller 27 slidingly contacts 21
is pivoted.

One end of the other link 25 is connected to the front part of the mounting plate 21 via a shaft 28 having an axis parallel to the shaft 26, and the other end of the link 25 has a rotation axis parallel to the roller 27. A roller 29 that can be moved on the frame 19 is pivoted.

The intersections of both links 24, 25 are connected by a connecting shaft 30 parallel to each axis 26° 28, and this connecting shaft 30
One end of a connecting arm 31 is connected to the intermediate portion of the connecting arm 31 . On the other hand, an elevating cylinder 23 is connected to the shaft 26, and a piston rod 32 of this elevating cylinder 23 connects to a connecting arm 3.
1 to the other end.

According to the elevating mechanism 22, the mounting plate 21 is moved up and down by the expansion and contraction operation of the elevating cylinder 23.

δ In FIG. 1, a moving cylinder 33 is fixedly disposed below the support stand 18 and extends along the conveyance direction 12 by the overhead conveyor 2. As shown in FIG. Also, the support stand 18
A guide hole 34 extending along the conveying direction 12 is bored in the upper surface, and a connecting plate 35 extending downward through the guide hole 34 is fixed to the rear part of the frame 19 of the lifter 4. .

The tip of a piston rod 36 in the moving cylinder 33 is connected to this connecting plate 35 .

Therefore, the lifter 4 can reciprocate between the support stand 18 and the base 14 by the expansion and contraction operation of the moving cylinder 33.

Next, the operation of this embodiment will be explained. When transferring the vehicle body 1, the traveling trolley 3 is kept on standby at the transfer position P. At this time, the base 14 of the traveling carriage 3 is in contact with the support base 18 such that its upper surface is flush with the upper surface of the support base 18. Further, both receiving members 16 are lowered to the lowest position so as to be parallel to the conveying direction 12. Moreover, the lifter 4 is on the support stand 18, and the mounting plate 21 is in a lowered state.

In this state, the vehicle body 1 is conveyed by the overhead conveyor 2 to a position above the support stand 18 at the transfer position P, and then stopped. Next, when the R placement plate 21 of the lifter 4 is raised, the vehicle body 1 is lifted by the placement plate 21 and transferred from the placement portion 11 of the arm 7 onto the placement plate 21.

Therefore, the lifter 4 is moved from the support base 18 to the base 1 of the traveling truck 3.
4. Move it up and stop. Thereafter, when both receiving members 16 of the traveling truck 3 are raised, the vehicle body 1 is transferred from the mounting plate 21 onto the receiving members 16.

After the vehicle body 1 has been transferred onto both receiving members 16, the lid 4 is lowered down the mounting plate 21, and further moved from the base 14 to the support 18. move to.

In this way, the vehicle body 1 is smoothly transferred from the overhead conveyor 2 to the traveling trolley 3.

When transferring from the lifter 4 to the traveling truck 3, it is also possible to transfer the vehicle body 1 from the mounting plate 21 onto the receiving member 16 by lowering the mounting plate 21 without moving the receiving member 16. be.

C9 Effects of the Invention As described above, according to the present invention, a lifter equipped with a mounting plate that can be raised and lowered to receive a car body is placed at a preset transfer position below the overhead conveyor and on the traveling truck. Since the car body is arranged so that it can be moved back and forth between the overhead conveyor and the mounting plate, the car body can be transferred from the overhead conveyor to the mounting plate, and then to the receiving member. It can be done smoothly.

[Brief explanation of drawings]

The drawings show one embodiment of the present invention, and FIG. 1 is a longitudinal sectional side view, FIG. 2 is a view taken in the direction of the ■ arrow in FIG. 1, FIG. 3 is an enlarged front view of the beam lid, and FIG. FIG. 1...Car body, 2...Overhead conveyor, 3...
・Traveling trolley, 4... Lifter, 5... Ceiling rail, 6
... Frame, 7... Arm, 16... Receiving member,
17...Floor surface, 21...Placement plate, P...Transfer position

Claims (1)

[Claims] An overhead conveyor comprising an arm for mounting a car body supported on a frame that can run along a ceiling rail, and a pair of receiving members for receiving the left and right bottoms of the car body, and runs on a floor surface. In an automobile body transfer device for transferring a vehicle body between a vehicle body and a moving vehicle, the preset transfer device includes a lifter equipped with a lifting plate that can be raised and lowered to receive the vehicle body, and an overhead A vehicle body transfer device characterized in that it is arranged so as to be able to reciprocate between the bottom of a conveyor and the top of a traveling truck.