JPH03186510A - Transport facility using self-running device - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

DETAILED DESCRIPTION OF THE INVENTION Field of the Invention The present invention relates to transportation equipment using self-propelled vehicles, which is employed to support and transport bodies and the like in, for example, automobile assembly lines.

BACKGROUND OF THE INVENTION In the prior art, for example, a conveying facility as shown in Japanese Unexamined Patent Publication No. 183010/1983 and FIG. 8 has been provided. This conventional type has a plurality of wheels 1 placed on a rail 100.
A self-propelled object 10 that can freely run on a fixed route 102 via 01
3, a drive device 104 that is linked to one wheel body 101 is provided, and a hanger device 106 for supporting a transported object has a pair of left and right hanger frames 105 that can swing left and right at the bottom of the self-propelled body 103. has been established. The object 107 to be transported is transported by moving the self-propelled body 103 along a fixed path 102.

The conveyed object 107 is unloaded from the hanger device 106 by a transfer device rIt, 108 provided in a fixed path 102, and then transferred from a pallet supply device 109 to a feeder device 11.
0 is placed on the pallet 111 supplied to the starting end. Thereafter, the conveyed object 107 is conveyed by a floor conveyor 112 via a pallet 111.

Problems to be Solved by the Invention By the way, the pallet 111 has an ID card on its side, and after the transported object 107 is placed on it, various data of the transported object 107 are written on the ID card. It will be done. This writing is performed at the transfer device 108, which requires time to stack the objects 107 on the pallet 111 and transfer them from the feeder device 110 to the floor conveyor 112. The addition of the time required to write to the ID card requires a large amount of work time as a whole, which slows down the flow of the entire line.

An object of the present invention is to provide a conveyance facility using a self-propelled body that allows various operations to be performed after an object is placed on a pallet at a transfer location.

Means for Solving the Problems In order to achieve the above object, the present invention provides a transport facility using a self-propelled body, which is provided with a self-propelled body that is supported and guided on the rails surrounding the ceiling and can run freely on a fixed path. At the bottom of the self-propelled body,
Attach the support device for the transported object so that it can be opened and closed in the left and right directions, and -
A pallet supply device and a lifting device for lifting the object to be transported on the support device are provided in the electric resistance weaving path, and an inter-floor transport device for transporting the object together with the pallet is provided below the position where the lifting device is installed. A transfer device is installed to transfer the materials to the

According to the configuration of the present invention, the self-propelled body is stopped at the lifting device section, and the object to be transported on the support device can be lifted by activating the lifting device section. By opening the empty support device in the left-right direction and then operating the pallet supply device, the pallet can be positioned directly below the lifted object. Then, by moving the support device in the left and right direction, the lifting device and the pallet supply device, which can support the pallet, are operated in the opposite manner to the above, thereby causing the support device to support the pallet and placing the pallet on the pallet. An object to be transported can be placed thereon. As a result, the self-propelled body supporting the transported object via the pallet travels downward, but at that time, the self-propelled body is stopped and moved by using the route until it reaches the transfer device.
By performing storage, various tasks such as writing the data of the transported object on the ID card of the pallet can be performed. The self-propelled body is stopped at the transfer device section, and the pallet on which the objects to be transported are placed is transferred to the floor@transport device.

EXAMPLE An example of the present invention will be described below with reference to FIGS. 1 to 7.

In Figures 4 and 5, reference numeral 1 denotes a rail with an I-shaped cross section, and is mounted to a ceiling beam 2 or the like via a bracket 3. A signal/power supply device 4 is disposed on the surface over the entire length. The self-propelled body 5, which is supported and guided by the rail 1 and can run on a fixed path 15, has a plurality of (four in the embodiment) trolley bodies 6 in the running direction, and a bearing 7 on the upper part of the trolley bodies 6. A wheel body 9 is attached to each trolley body 6 and is attached to both upper and lower ends of the rail 1. Lateral vibration prevention roller 1 that can freely come into contact with
0, and a longitudinal connecting member 12 that connects each trolley body 6 via a vertical connecting pin 11, etc., and is attached to one trolley body 6 of the trolley book #61,
and a traveling drive unit 1 with a brake that moves on its shaft 8.
3, and a current collector 14 that is attached to the specified trolley main body 6 and can be slidably connected to the signal/power supply device 4. A hanger device 16, which is an example of a support device, is attached to the connecting member 12 located at the center.

This hanger device 16 includes a pair of arm members 18 attached to both sides of the connecting member 12 via a longitudinal axis 17 so as to be swingable from side to side, and a support 19 attached to the lower ends of these arm members 18. be done.

The longitudinal axis 17 is a bearing member 2 provided on the connecting member 12.
0, and is rotatable around the longitudinal axis 21. The arm member 18 has a pair of front and rear bending brackets 22 whose horizontal ends are connected to the longitudinal axis 17, and a vertical rod 23 hanging from the other downward end of these bending brackets 22. It consists of front and rear rods 24 that connect the opposing vertical rods 23, and a white receiver 19 is continuously provided inward from the lower end of each vertical rod 23. The connecting member 1
A positioning guide roller 26 is attached to the center of the upper surface of 2 via a bracket 25, and a bending bracket 2
2 is provided with a passive member 27 for opening in the front-rear direction.

28 A body of an automobile, which is an example of an object to be transported, in which the bones are supported on a stand 19 via a seal portion 29, and a flange with holes is provided on the lower surface side for positioning and placing on a pallet 35. 30 are provided.

As shown in FIG. 1, FIG. 2, FIG. 6, and FIG.
A pallet supply device 40 and a lifting device 1160 for lifting the body 28 on the hanger device RF116 are provided at a predetermined location in the electric resistance stitching path 15.

The pallet supply device 40 includes a machine frame 41 located directly below the electric resistance welding path 15, and a base frame 4 provided on the machine frame 41.
2, and pantograph a above this base frame 42! Oval 4
3, a cylinder device 45 for lifting and lowering provided between the lifting frame 44 and the base frame 42, and a guided rail 46 hanging from the lifting frame 44. A guide roller 48 is attached to the base frame 42 via a bracket 47, and a receiving conveyor 5 is attached to the elevating frame 44 via a position adjustment device 49.
Consists of 0, etc. The conveying direction of the receiving conveyor 50 is perpendicular to the electric resistance weaving path 15, and the receiving conveyor 50 is connected to the supply conveyor 51 at the lower limit.

The pallet 35 has flat rollers 36 and grooved rollers 37 at the four corners, and a support member 38 that can freely receive and hold the seal portion 29 and a positioning pin 39 that can freely engage the holed flange 30. provided.

The lifting device 60 includes a pair of pillars 61 erected at a measuring section of the constant path 15 on the opposite side from the supply conveyor 51, and a pedestal 62 provided between the upper ends of these pillars 61.
Elevating frames 64 guided by vertical guide rails 63 provided at both branches 61, lifting tools 65 provided at the middle and front ends of the upper surfaces of these elevating frames 64, and both elevating frames 64 are synchronously raised and lowered. A lifting drive device 67 using a chain and having a synchronized shaft 66, etc., the pedestal 62, and a clamp for the arm member 18 attached to a support frame 68 from the ceiling surround on the opposite side of the electric resistance welding path 15. It consists of a device 69 and a pair of opening devices 70 provided on the support frame 68 to open the arm member 18. The lifting frame 64 moves up and down on both sides of the receiving conveyor 50, and as it rises, the lifting tool 6
5 comes into contact with the front lower part and rear lower part of the body 28.

The clamp device 69 includes a clamp arm 71, a cylinder device 72 for actuating the clamp arm 71, and the like.

The opening device 70 also includes a shaft 74 that is attached to a bracket 73 from the support frame 68 and extends along the electric resistance welding path 15, and an operation lever 75 that is swingably attached to the shaft 74.
A cylinder device 76 is provided between the bracket 73 and the operating lever 75 to swing the operating lever 75, and the operating lever 75 is arranged to act on the passive member 27 from below.

As shown in FIGS. 5 to 7, the body 28 and the pallet 35 are moved to an inter-floor conveyance device 95 at a position a predetermined distance below the position where the lifting device 60 is disposed.
A transfer device 80 is provided. In other words, the transfer device 8
0 is a pair of pillars 81 erected on both sides of the electric resistance weave path 15;
, a pedestal 82 provided between the upper ends of these columns 81, an elevating frame 84 guided by vertical guide rails 83 provided at both branches 81, and a horizontal rail 85 provided at the bottom of these elevating frames 84. A movable platform 86 supported and guided by the movable platforms 86, a support 87 connected forward from the front end of these movable platforms 86, a cylinder device 88 provided between the elevating frame 84 for moving the movable platform 86 to and from work, It consists of a lifting drive device 89 using a chain that raises and lowers the lifting frame 84 synchronously, and a pair of opening devices 90 provided on the pedestal 82 to open the arm member 18 . This opening device 9
0 includes a shaft 92 attached to a bracket 91 from the pedestal 82 and along the ERW path 15, an operating lever 93 swingably attached to the shaft 92, and a shaft 93 for swinging the operating lever 93. and a cylinder device 94 provided between the bracket 91 and the operating lever 93 that is connected to the passive member 2.
7 from below.

Said floor I]! The transport device 95 is, for example, a slat conveyor, and the side of its starting end receives the pallet (body) 28 from the transfer device 80 and transfers it to the floor IIl! I
A feeder device 96 is provided to smoothly transfer the material to the transport device 95. Note that the flat roller 36 and cleaning roller 37 are provided on all sides of the bed l1IIa feeding device 95 and feeder device 96.
A guide rail (not shown) is provided to support and guide the.

As shown in FIGS. 6 and 7, a plurality of self-propelled bodies 5 (two in this embodiment) can be stored between the lifting device 60 and the transfer device 80, and a floor is provided below. A work space 97 is formed in which the surface can be utilized.

Next, the conveyance work in the above embodiment will be explained.

As shown in FIGS. 4 and 5, the self-propelled body 5, which supports the body 28 and the like by the hanger device 16, has a traveling drive device.
Activate f113? ! By forcibly rotating the body 9, the body 9 is supported by the rail 1 by a plurality of wheels 9, and travels on a fixed path 15 while being prevented from WI runout by a plurality of lateral shake prevention rollers 10. Power is supplied to the self-propelled body 5 by the current collector 14 coming into sliding contact with the signal/power supply device 4 . The self-propelled body 5 that has traveled in this manner is stopped at the position of the lifting device 60, as shown in FIGS. 1 and 2.

At this time, in the pallet supply device 40, the lifting frame 44
is at its lower limit and the receiving conveyor 50 is connected to the supply conveyor 51 as shown by the imaginary line (A) in FIG. ing.

In this state, first, the lifting device 67 of the lifting device 60 is operated to raise the lifting frame 64 guided by the guide rail 63. Then, the lifting tool 65 comes into contact with the bottom of the body 28 from below, thereby lifting the hanger device 16.
The receiver lifts the body 28 supported on the stand 19 and then operates the opening device 70.

That is, from the state shown by the solid line in FIG.
is extended, and the operating lever 75 is moved upward around the shaft 74. As a result, the operating lever 75 acts on the passive member 27 from below, swinging the empty arm member 18 outward as shown by the imaginary line in FIG. Lifting tool 65 before and after this
is operated in the left-right direction to correct the position of the body 28 in the width direction.Then, by the first stage extension of the cylinder device 45 in the pallet supply device 40, the receiver is moved as shown by the imaginary line (b) in FIG. The loading conveyor 50 is raised to an intermediate position. At this time, the pallet 35 is positioned at y! based on the detection of the tip of the body 28. By operating the adjustment device 49, the position is corrected in the longitudinal direction <m length direction). Next, the cylinder device 45 of the pallet supply device 40 is extended to the second stage, and the pallet 35 is moved to the body 28 as shown by the solid line in FIG.
position it directly below. Then, the opening device 70 is operated in the opposite manner to that described above, the arm member 18 is swung inward, and its receiver positions the platform 19 below the pallet 35.

Then, the clamping device 69 is activated, and its clamping arm 7
At step 1, the vertical rod 23 is clamped to provide a steady rest. Next, the cylinder device 45 of the pallet supply device 40 is contracted, the receiver is placed together with the lifting frame 44, and the conveyor 50 is lowered, and the lifting frame 64 of the lifting device 60 is lowered. lower it. As a result, the pallet 35 that has descended with the conveyor 50 is transferred to the platform 19 of the hanger device 16, and the seal portion 29 of the descending body 28 is placed on the support member 38, and the holed flange 30 is placed on the supporting member 38. is fitted onto the positioning pin 39. As a result, the body 28 is placed on the hanger device 16 via the pallet 35.
, and by opening the clamp device ff70, the self-propelled body 5 can be made to run slowly.

As shown in FIG. 6, the self-propelled body 5 is stored on a fixed path 15 before reaching the transfer device 80, and various operations such as writing on the ID card of the pallet 35 are performed during this time. Furthermore, various operations are performed automatically or manually using the work space 97.

Then, the self-propelled body 5 enters the transfer device 80 section and stops, where the transfer operation to the feeder device 96 is performed.

That is, by moving both rotating tables 86 closer to each other, the support 8
7 is positioned below the pallet 35, the lifting device 89 is first activated to raise the lifting frame 84 guided by the guide rail 83. Then, the support 87 comes into contact with the pallet 35 from below, so that the receiver of the hanger device 16 lifts the pallet 35 supported by the stand 19, and then extends the cylinder device 94 of the opening device 90.
The operating lever 93 is moved upward around the shaft 92. As a result, the operating lever 93 acts on the passive member 27 from below, causing the arm member 18 in the empty state to swing outward as shown by the imaginary line.Then, the elevating device 89 is actuated in the opposite manner to the above, elevating and lowering the arm member 18. The support 87 is lowered together with the frame 84.

As a result, the pallet 3 has descended together with the body 28.
5 is passed to the feeder device 96, and the support 87 is
By moving both rotating tables 86 away from each other, the pallet 35
It is pulled out from below. Thereafter, the pallet 35 supporting the body 28 is transferred from the feeder device 96 to the inter-floor conveyance device 95, and the self-propelled body 5 is moved downstream after the opening device 90 is reversely operated.

Effects of the Invention According to the present invention having the above configuration, the self-propelled body that directly supports the transported object with the support device supports the transported object via the pallet by the operation of the pallet supply device and the lifting device. Therefore, by stopping the self-propelled object on its way to the transfer device or putting it in storage mode, it is possible to perform various tasks, such as writing the data of the transported object on the ID card of the pallet. . This makes it possible to reduce the work time spent in the transfer equipment section, speed up the flow of the entire line, and improve efficiency.

[Brief explanation of drawings]

1 to 7 show an embodiment of the present invention, FIG. 1 is a front view of the pallet assembly section, FIG. 2 is a plan view of the same, FIG. 3 is a front view of the transfer section, and FIG. 4 is a four side view in running condition, 5th
The figure is a rear view of the same, FIG. 6 is a schematic surface view of the whole, FIG. 7 is a schematic plan view of the same, and FIG. 8 is a schematic side view of the whole showing a conventional example. DESCRIPTION OF SYMBOLS 1...Rail, 5...Self-propelled body, 6...Trolley body, 15...-ERW path, 16...Hanger device (support device>), 17...Anteroposterior axis, 18 ...Arm member,
19... Receiver is stand, 27... Passive member, 28... Body (transported object), 29... Seal portion, 30... Flange with hole, 35... Pallet, 38...・Support member, 39... Positioning pin, 40...-Pallet supply device, 44...-Elevating frame, 49... Position adjustment device, 5
0... Receiving conveyor, 51... Supply conveyor,
60... Lifting device, 64... Lifting frame, 6
5... Lifting tool, 69... Clamping device, 70.
... Opening device, 80... Transfer device, 84... Lifting frame, 86... Movable base, 87... Support tool, 90...
... Opening device, 95... Interfloor imaging and transmitting device, 96... Feeder device, 97... Work space.

Claims (1)

[Claims] 1. A self-propelled body that is supported and guided on a rail on the ceiling side and can travel on a fixed path is provided, and a support device for the transported object is attached to the bottom of this self-propelled body so that it can be opened and closed in the left and right directions, and A pallet supply device and a lifting device that lifts the object on the support device are provided in the path, and the object is transferred together with the pallet to the floor-side transfer device at a position lower than the position where the lifting device is installed. Transport equipment using a self-propelled body characterized by being equipped with a transfer device.