JPS63166671A - Parts conveyor - Google Patents

Abstract

PURPOSE:To make parts clampable to a hanger, by installing a clamp device in the parts receiver installed in the hanger. CONSTITUTION:A hanger 5 has the lower 5 has the lower edge receiver 19 attached to a free end of a vertical directional rod 17 and the clamp device 20 attached to this vertical directional rod. This clamp device 20 is one that acts on the body connecting hinge 39 installed in a side end of a door, while this clamp device 20 is constituted of the bracket 31 attached to an intermediate part of the vertical directional rod 17, the first link 32 and the second link 33 attached to this bracket 31 free of rocking motion via a longitudinal pin, the lever 34 connected to an interval between these links 32 and 33 free of relative rocking motion via the longitudinal pin and a claw free of setting to the hinge from the side, etc. According to this method, when the door is supported to the hanger, the door can be firmly champed by the clamp device 20.

Description

DETAILED DESCRIPTION OF THE INVENTION Field of the Invention The present invention relates to a parts transport system used, for example, in an automobile assembly line, when moving a door that has been suspended and transported to the floor.

BACKGROUND OF THE INVENTION On an automobile assembly line, doors are attached to or removed from the body depending on the process of performing various operations. Traditionally, those who perform this kind of work are
For example, Japanese Utility Model Application No. 168939/1983 is provided. In this conventional example, a hanger that can freely support the door is attached to the trolley device so as to be able to swing left and right, and the trolley device is
After moving the door to the dividing rail section of the II device, the door is moved to the detaching device provided on the floor by lowering the elevating frame. The hanger supports the lower edge of the door, and the lower edge holder has a shell and f
Ii The front edge receiver supporting the green has shells, and these receivers have a door supported by the shell that is tilted toward the outside, and the outer surface of the door is 7.
I am accepting it with a vengeance.

Problems to be Solved by the Invention According to the conventional type described above, the door is supported on the hanger side using its own weight, so it cannot be used while being suspended and conveyed via a trolley device, or when going up and down. When the hanger swings from side to side while being transported up and down via I, there is a risk that the door will come off the hanger and fall.

The FJ aspect of the present invention is to provide a parts transport device that can clamp parts to hangers for hanging transport or lifting and lowering transport, and can release the clamps immediately before distributing the parts from the hangers. .

Means for Solving the Problems In order to solve the above-mentioned problems, the parts conveying device of the present invention includes a hanger attached to a trolley device, a lower edge holder for supporting the lower edge of the component, and a side edge of the component. A clamping device for holding the trolley device is provided, and a lifting and lowering V device is provided for transferring parts between the upper and lower sides by supporting the trolley device and moving up and down. M
A release device for the clamping device is provided in the four crushers of the device.

nm According to the configuration of the present invention, the lower edge holder has its lower edge supported by the tool, so that the component supported on the hanger side is clamped (integrated) with the hanger by holding its side edge with the clamping device. Therefore, in this state, hanging transportation or undercover transportation can be performed. By releasing the clamp device using the release device immediately before unloading the component from the hanger, the component is supported by its own weight on the hanger side.

EXAMPLE An example of the present invention will be described below based on the drawings. In FIGS. 1 and 2, 1 is a hanging I2 feeder, with a trolley guide rail 2 and 5I! above it. A trolley driving device rail 3 provided therein, and a touring device ff14 that is guided by the trolley guide rail 2 and can freely run on a fixed path 11.
And, this trolley device 114 has a ζ1-digit hanger 5,
A trolley drive device (such as a chain conveyor) 6 is guided by the trolley drive rail 3. The trolley device 4 includes a front trolley 7 and a free trolley 8.
A connecting rod 10 that connects the A7 trolley 9, the front door Osu 7, and the free trolley 8, and a connecting frame between the trunnion bins connected from the free trolley 8 and the rear trolley 9. It consists of a part of Hanger 5. The trolley 7 has a passive dog 13 that can be engaged with and disengaged from the drive protrusion 12 from the trolley drive device 6 so as to be able to move up and down, and can also swing up and down via a horizontal shaft 14 in the middle. A freely attached operating lever 15 extends forward.

The hanger 5 is arranged between about the rear 1 to the rods 16, the upper and lower inner rods 17 that are connected downward from the front two parts of the front and rear inner rods 16, and the intermediate part of these upper and lower inner rods 17. Connecting rod 1
8, and the lower edge receiver attached to the free ends of both vertical rods 17 is tool 1.
9 and a clamp device 2 attached to the front upper and lower inner rods 17
0 and a pair of outer pads 30 provided on the connecting rod 18 to form a flat shape. As shown in FIGS. 1 and 4, the front and rear ends of the front and rear inner rods 16 are connected to the front and back axis 2.
is rotatably attached to the connection plate 22 via 1,
Further, the connection plate 22 is rotatably connected to the trunnion bin 23 via a longitudinal axis 24. As a result, the hanger 5 uses the connecting frame of the two torsos 8 and 9 for travel, and is capable of swinging left and right around the axes of the two 6'N1 direction axes 21 and 24. Note: Rear inner rod 16
A hanger guide roller 25 is freely rotatably attached to the back side of the holder, and a &l5IlJ guide roller 26 is attached to the lower end of the upper and lower inner rods 17. The hanger 5 is slightly modified depending on whether it is used for the front door 27 or for the front door 28, which are examples of parts, but the basic configuration is the same. As shown in FIGS. 1 and 6, the clamp device ff2G has a door 27,
It acts on the hinge 39 for body connection provided at the side end of the frame 28, and is attached to the bracket 31 attached to the middle part of the upper and lower inner rods 17 at the front, and to this bracket 31 via a vertical pin so that it can swing freely. The first link 32 and the FT52 link 33, the lever 34 connected between these links 32 and 33 via a vertical pin so as to be relatively swingable, and the lever 34 attached to the ia of the FT51 link 32 and lateral to the hinge 30. It consists of a claw 35 that can be freely engaged and detached from the door, a receiver 4436 made of sponge material or the like to receive the outer surface of the door 27, 28, a magnet 37 attached to the first link 32, and both links 32, 33 and the lever 34. This constitutes a toggle link mechanism. As shown in Figure M2, the constant path 11 of the hanging transport g station 1 is arranged in pairs on the left and right well above the floor surface 80, and is thus divided into one for the 667 group and one for the left door group.

As shown in FIGS. 1 and 2, at a predetermined location on the fixed path 11, the trolley guide rail 2
A, and this branch rail 2A is supported on the 4th descent device ff40 side. J is f? The wave descending device 4o includes a pair of columns 41 erected from the floor surface 80, and a plurality of rollers 4 on vertical guide rails 42 attached to the sides of these columns 41.
3, a pedestal 45 installed between the upper end of the support column 41, and a winch-type ril lowering drive unit 4G disposed on the pedestal 45 and connected to the lifting frame 44. A divided rail portion 2A is attached via a bracket 47 between both lifting frames 44. The trolley driving device rail 3 and the like cannot be disposed on the lifting frame 44 side. Therefore, above the divided rail section 2A, there is a trolley delivery SV! 48 are arranged. This trolley delivery $14g consists of a guide rail 49 mounted on a bracket 47 above the dividing rail portion 2A, a movable base 51 supported and guided by this guide rail 49 via a heavy wheel 50, and this movable base. It consists of a cylinder device 52 that is reciprocally blocked by the movable base 51, and an ambu-pack type bushing shell 53 that is attached to the movable base 51 and can be freely engaged with and detached from the passive dog 13.

A guide rail KIfi 56 is attached to the bracket 47 and prevents the hanger 5 from swinging by fitting the hanger guide roller 25 therein. As shown in FIGS. 4 and 5, this guide rail device 56 has a bracket 58 attached to the elevating frame 44 via a mounting plate 57, and a fixed rail portion 59 attached to the front side of this bracket 58. Then, on the back side of the bracket 58,
The two wooden rods 6 are connected through the shaped guide 60 and the bushing 61.
2, which can be raised and lowered freely.

A support plate 65 is attached between the lower ends of both rods 62 via a cylindrical body 63 and a nut 64. A movable rail portion 66 is provided on this support plate 65, and this movable rail portion 6G is connected to the fixed rail portion 59. The guide riJ67 in the vertical direction can be freely changed by being configured so that it can be moved in and out of contact with the fl. Furthermore, between the lower surface of a holder 69 disposed on the upper part of the rod 62 via a nut 68 and the upper surface of the cylindrical guide 60,
A spring 70, which is an example of an elastic body, is arranged in stages to bias the movable rail portion 66 toward the movable rail portion 66.

A cushion 71 is attached to the upper end of the rod 62, and a stopper cylinder 72 is provided on the pedestal 45 above the cushion 71. This stopper cylinder 12 faces downward, and a stopper 74 is attached to the lower end of the piston rod 73 so as to be able to come into contact with the cushion 71 . As shown in FIGS. 1 to 3, the elevating frame 44 is provided with a release device 81 for the clamp @M20. This release device W181 includes a holding frame 83 attached to the fourth lowering frame 44 via a bracket 82, a push plate 85 provided on the holding frame 83 so as to be movable laterally via a guide rod 84, etc., and this push plate. 85, a mounting number is attached to the holding frame 83 from the cylinder assembly W186.

As shown in Figure 2, both elevations and descents are 8V! The conveying device 9G is disposed on the floor surface 80 so as to pass through the center between the two.

This conveyance device 90 is a floor conveyor type, and supports and conveys a body (an example of a main body to be assembled) 91 on a fixed path.

An attachment/detachment device 92 for attaching/detaching the door 27, 28 to/from the body 91 is provided at a position below the ascending R path of the divided rail u2A which extends to the lowering device 4° on both sides of this constant path. This attachment/detachment device 92 is attached to the 11 along the fixed path.
A trolley 93 that can freely travel in the backward direction and travel in synchronization with the transport device 90 during forward travel; a movable platform 94 that is provided on the trolley 93 and is movable during approach W1 along a fixed path; and the movable platform 9
The lower end support 95 provided on the 4 side and the outer support J1 (
Vacuum ¥l! N) Consists of 96 etc.

The operation of the above embodiment will be explained below.

Normally, the trolley device tI14 travels when the spinning protrusion 12 engages with the passive dog 13. At this time, the - end side of the operating lever 15 is moving downward.

The lower edges of the front door 27 and the rear door 28 are received by the shell 19, and the hook edges are received by the clamp device 11.
Clamped to 2G, further outer surface is 7 outer butt 30
Therefore, transportation is carried out without wobbling or falling off. At this time, the clamp device! 2G
Here, as shown by the solid line in FIG. 6, the lever 38 and the first link 32 are positioned in a straight line in the forward direction, and the claw 35 thereof is engaged with the hinge 39. Also, the magnet 37 is connected to the door 27.2.
8, and prevents the door 27, 28 from rattling. The trolley device 4 holding the front door 27 and the rear door 28 via the hanger 5 is shown in FIG.
Lift up and down as shown in Figure 2! 4G divided rail portions 2A, and are stopped and positioned at a predetermined position by a stopper device or the like. At this time, the hanger guide roller 25 is fitted and guided by the guide rail device 5G, thereby preventing the hanger 5 from swinging around the longitudinal axis. In other words, it is equipped with a trolley! ! 4, the lifting frame 44 is at the top dead center, and at this time, as shown in FIG.
The stopper 74 is lowered by the extension of the stopper cylinder 72, and the rod 62 is moved against the spring 70 via the cushion 71.
Since the movable rail 1566 is lowered, the movable rail 1566 is moved downwardly away from the fixed rail portion 59, and its guide ri 67 is widened. Therefore, the hanger guide roller 25 can be fitted securely and securely. With the two trolley v devices 4 stopped at predetermined positions, the stopper cylinder 72 is first contracted and the stopper 74 is moved upward q. As a result, the movable rail portion 66 rises via the rod 62 and the support plate 65 due to the elastic force of the spring 70, moves closer to the fixed rail portion 59, narrows the guide width 67, and both rail portions 59, 66 grips the hanger guide roller 25 from above and below, thereby moving the hanger 5 to the lifting frame 4.
4. Integrate into @. Next, the elevating device V140 is operated to lower the elevating frame 44. As a result, the branch rail section 2
Both hangers 5 are lowered via A, but at this time, the cart 93 is stopped at a predetermined position below the four lowering paths in the attachment/detachment device 92. Both rotating bases 94 of the truck 93 are in retracted positions away from the fixed path. The release device V181 is activated when the elevating frame 44 approaches the bottom dead center. That is, the cylinder device 86 is moved to the center #A, and the pushing plate 85 moves forward.
When the lever 34 is brought into contact with the lever 34 and the lever 34 is swung outward as shown in the imaginary line in FIG. It turns out. After this, the hanger 5 is lowered with respect to the trolley 93 as described above, and the lower edge holder of the door 2, which was held by the tool 19, is moved as shown in the imaginary line in Fig.
The lower edge of door 27.28 is received in lower end support 95 and the outer surface of door 27.28 is supported in outer support 96. Then I! both doors 27.28 for a fixed path! i21, and the trolley 93 is kept on standby while maintaining its inclination angle. When the body 91, which has been transported along a certain path by the transport device 90, reaches a predetermined position, the traveling drive device is activated, and the trolley 93 is moved against the body 91.
That is, both doors 27 and 28 are moved synchronously. During this synchronous movement, the movable base 94 is moved toward a fixed path, and the doors 27, 28 are moved so that their inner edges correspond to the openings in which the body 91 is attached. Then, by manual operation by the operator, the hinge 39 (engaging portion) of this door 27, 28 is engaged with the engaged portion on the body 91 side, and the holding is released. Next, the movable base 94 is moved in and out, each part is swung back, and then the carriage 93 is returned in the opposite direction to return to its original state. Note that the empty hanger 5 is lifted up when it is no longer involved due to the synchronized movement of the cart 93, and then sent to the next process. At that time, when the v1 lowering frame 44 passes through the top dead center, the guide width 67 is widened as shown in FIG. 4, so that traveling to the next process is performed smoothly.

In the above, the action of attaching the doors 27 and 28 to the body 91 was explained, but this is due to the reverse action.
It is also possible to remove the

Effects of the Invention According to the present invention having the above-mentioned configuration, the lower edge holder supports the lower edge on the tool and supports the component on the hanger side.By holding the side edge with the clamp Vte, the component is clamped (
In this state, hanging transportation and vertical transportation can be performed without the door falling even if the hanger swings from side to side. By releasing the clamping device with the release device immediately before unloading the parts from the hanger, the parts can be supported by the hanger at their own Φ, and therefore the work of unloading the parts from the hanger can be done smoothly and without any hindrance. It can be done reliably.

4. Ifi surface (7) rfJlti The explanatory drawings show one embodiment of the present invention, and Fig. 1 is a side view of the elevating device, Fig. 2 is a front view of the same, and Fig. 3 is a main part of the same. 4 is a front view of the guide rail device section, FIG. 5 is a side view of the same, and FIG. 6 is a plan view of the clamp section.

1... Hanging conveyance device, 2A... Division rail section, 4
... Trolley device, 5... Hanger, 19... Lower edge amount C shell, 20... Clamp device, 25... Hanger guide roller, 21... Front door (parts), 28... ...Rear door (parts), 30...Outer pad, 32...First link, 33...Second link, 34...Lever,
35...Claw, 38...Lever, 39...Hinge,
40... Elevating @ position, 41... Support, 44... Elevating frame, 46... Elevating drive unit, 48... Trolley sending device, 56... Guide rail device, 59... Fixed rail part, 66... Movable rail part, 70... Spring (elastic body), 81... Release device, 85... Push plate, 86゛... Cylinder device, 90... Conveying device , 91...
Body, 92... IB2 device, 95... Lower end support, 96... External support.

Agent Hiroshi Mori Figure 3 Figure 4 1ri z2　・-11 Mata To IN' series Fig. 5 1ri

Claims (1)

[Claims] 1. A hanger attached to the trolley device is provided with a lower edge holder that supports the lower edge of the component and a clamp device that holds the side edge of the component, and the trolley device is supported and moved up and down,
1. A parts conveyance device, characterized in that a lifting device is provided for transferring parts between upper and lower parts, and a lifting device for the clamp device is provided on a lifting frame of the lifting device.