JP2819949B2 - Transfer equipment using hangers - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a transfer device using a hanger used for transferring a vehicle body in, for example, an automobile production line.

[0002]

2. Description of the Related Art Conventionally, as this type of transfer equipment, there has been provided, for example, a transfer apparatus for an automobile door as disclosed in Japanese Patent Application Laid-Open No. Hei. In this conventional configuration, a self-propelled body supported and guided by a rail is provided, an engaging member (primary hanger) is provided on the self-propelled body, and a hanger support (secondary hanger) that can be detachably attached to the engaging member from above. Hanger)
The hanger support is provided with a hanger (door sub hanger).

[0003] According to this conventional configuration, by engaging and disengaging the hanger support with the engaging member, the hanger support can be loaded and unloaded to and from the self-propelled body together with the hanger. The unloaded hanger support is then placed on a floor carriage via a bottom frame at the lower portion thereof and conveyed, or is placed on the floor side.

[0004]

According to the above-mentioned conventional type, for example, when a hanger support is mounted on a floor carriage and transported, various operations can be performed on the door. In this case, the floor cart hinders the operation of the vehicle body from below. That is, the work on the transferred object is restricted. When a floor cart is used, a large number of carts need to be prepared, and a large space must be secured on the floor including the cart return route.

[0005] It is an object of the present invention to arbitrarily perform work from various directions on a transferred object moved from a path for carrying to a work path, and a floor below the work path can be effectively used. Another object of the present invention is to provide a transfer facility using a hanger.

[0006]

In order to achieve the above object, the transport equipment using a hanger according to the first aspect of the present invention is provided with a movable body that is supported and guided by rails and is movable on a fixed path. A primary hanger is provided at a lower portion, and a secondary hanger is provided at a lower portion of the primary hanger on the primary hanger side so that the secondary hanger can be disengaged from above.
Work on the transferred object supported by the secondary hanger.
To form a working path that line, secondary hanger to this work route
Provide a hanging transfer device, at the beginning of the work path,
Transfer instrumentation suspended by wholesale the secondary hanger from the primary hanger
Provided with a pass to wholesale device location, at the end, under hanging
A loading device is provided for transferring the secondary hanger of the load transfer device to the primary hanger.

The transfer equipment using a hanger according to the second invention is a transfer equipment which is supported and guided by rails and is movable on a fixed path.
The moving object is from a self-propelled body that is supported and guided by the rail and can run freely.
Thus , a work path is formed below the rail.

Further, in the transfer equipment using a hanger according to the third invention, the secondary hanger has an idler wheel at an upper part thereof ,
A pressure receiving surface is formed by the side surface thereof, and a guide rail capable of supporting the idler wheel from below is disposed along the work path, and the work path acts on the pressure receiving surface to move the secondary hanger. Is provided.

[0009]

According to the structure of the first aspect of the present invention, the movable body can suspend and support the secondary hanger by engaging the secondary hanger with the lower part of the primary hanger from above. The hanger can support the transferred object. After the moving body supported on the rail and moving on a fixed route is stopped facing the wholesaler, the secondary hanger can be wholesaled from the primary hanger and delivered to the hanging transfer device by operating the wholesaler.

[0010] Next, the secondary hanger can transfer the work path by the hanging transfer device, and can perform various works on the transferred object from below or from the side during the transfer. The secondary hanger that has completed the intended work on the conveyed object can be returned from the end of the work path to the primary hanger via the loading device,
Then, the moving body is moved to the next step along a certain route.

Further, according to the configuration of the second aspect of the present invention, the secondary hanger can be wholesaled by stopping the self-propelled body traveling on the fixed route in opposition to the wholesaler and then operating the wholesaler. The self-propelled body that has unloaded the secondary hanger in the unloading device section can travel at high speed over the work route, and after receiving another secondary hanger by operating the loading device, moves the fixed route to the next process. You can travel to

Further, according to the structure of the third aspect of the present invention, in the working path, the feeding device can act on the pressure receiving surface of the secondary hanger to apply a transfer force to the opposed secondary hanger. The next hanger has its idler wheels supported by the guide rails, and can be stably transported in a suspended manner on the work path at a predetermined speed.

[0013]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described below with reference to the drawings. 1, 3 and 4, reference numeral 1 denotes an I-shaped section.
And a signal / power supply device 4 is disposed over the entire length on the side surface opposite to the side surface to which the mounting bracket 3 is coupled. .

A fixed path L guided and supported by the rail 1
A self-propelled body (an example of a moving body) 5 that can travel on the top has a plurality (four in this embodiment) of trolley bodies 6 in the traveling direction. Directional shafts 8, and a ring 9 that can be mounted on the upper surface of the rail 1 is attached to these shafts 8, and further, each trolley body 6 abuts on both upper and lower ends of the rail 1. Equipped with a roller 10 for preventing horizontal runout.

The front trolley main body and the front free trolley main body, and the rear free trolley main body and the rear trolley main body are respectively connected by connecting rods 12 in the front-rear direction via connecting pins 11. I have. In addition, a traveling drive device 13 that is linked to the shaft 8 is attached to one (in the embodiment, a front free trolley body) trolley body 6,
Further, the specified trolley body 6 includes the signal
A current collector 14 that can slide freely is attached to the power supply device 4.

From the two free trolley bodies 6 described above,
Each has a primary hanger 15 hanging therefrom. These primary hangers 15 are formed in an inverted T-shape when viewed from the front, and form upward mounting surfaces 16 on both left and right ends of the lower horizontal rod, and stand the positioning pins 17 from the mounting surfaces 16. Has been established.

A secondary hanger 20 is provided that is detachable from above with respect to both primary hangers 15. This secondary hanger 20
Has a flat frame 21 at the top, and the flat frame 21 is set to have a width wider than the width of the primary hanger 15 and a length longer than the self-propelled body 5. Further, both side surfaces of the flat frame body 21 are formed on the pressure receiving surface 22.

At the upper part of the flat frame 21 in the longitudinal direction, the right and left ends of the lower horizontal rod of the primary hanger 15 are insertable / removable from the front-rear direction and have an inverted L-shaped engagement when viewed from the front. Combinations 23 are provided in a pair on the left and right. Here, the engaged body 23 is
There is a predetermined amount of play space in the vertical direction with respect to the lower horizontal rod of the inserted primary hanger 15 , and the downwardly facing surface is a mounting surface 24 that can be mounted from above on the mounting surface 16 described above. The positioning pin is provided on the portion of the mounting surface 24.
17 is provided with a positioning hole 25 which can be freely disengaged from above.

At the center of the flat frame 21, connecting members from both sides
26, a rectangular flat frame-shaped frame 27 is fixed to the lower ends of these connecting members 26. A hanger arm 28 is continuously provided downward from both sides of the frame 27 and from the front and rear portions, and a support 29 is continuously provided inwardly from a lower portion of the hanger arm 28. And at the front and rear two places on both sides of the frame 27,
An idle wheel 32 is provided via a bracket 30 and a left-right axis 31. The secondary hanger 20 is configured by the above 21 to 32.

As shown in FIGS. 1, 2, and 5, a work route S is formed along a predetermined location in the fixed route L.
This work path S is formed below the rail 1 and has a suspending and transferring device 40 for the secondary hanger 20. That is, a pair of left and right guide rails 41 is disposed along the work path S, and these guide rails 41 are fixed to the lower end of a holding frame 35 that is provided downward from the erection rail 2 side, The idler wheel 32 provided on the hanger 20 is configured to be freely supported from below.

In the vicinity of the starting end of the work path S, there is provided a feeding device 42 which acts on the pressure receiving surface 22 of the secondary hanger 20 to apply a moving force to the secondary hanger 20, and a terminal end. A braking device 53 is provided nearby. Further, a pull-in device 56 is provided at the start end of the work path S, and a delivery device 59 is provided at the end. Each device
As for 42, 53, 56, and 59, a pair of right and left is arranged symmetrically.

The feeder 42 is shown in FIGS. 1, 2, 6, and 7.
As shown in FIG. 7, a mounting member 43 is provided inward from the lower end of the holding frame 35, and a vertical axis 44 is erected from the mounting member 43. A support member 46 is attached to the vertical axis 44 via a bearing 45 so as to be swingable right and left around a vertical axis 47. The support member 46 is provided with a servomotor 48 with a speed reducer, which is an example of a rotary drive device, and a feed roller 50 made of, for example, urethane is fixed to an output shaft 49 taken out from the servomotor 48. You. The servo motor 48
Applies a feed rotation force A to the feed roller 50.

The support member 46 is a bracket extending forward.
51, the bracket 51 and the mounting member 43
A cylinder device 52, which is an example of a swing drive device that swings the support member 46, is provided therebetween. Therefore, by operating the cylinder device 52, the support member 46 can be swung right and left around the longitudinal axis 47, and the feed roller 50 can be brought into contact with or separated from the pressure receiving surface 22. More than 43-52 by feeder
Make up 42.

The braking device 53 has the same structure as that of the feeding device 42. The braking device 53 can freely contact and separate from the pressure receiving surface 22 in the left-right direction and is made of, for example, a urethane braking roller. And a reverse rotation driving device 55 for applying a reverse rotation torque B. In addition, reverse rotation drive
Reference numeral 55 denotes a torque motor or the like, and its reverse feed torque B is set smaller than the feed torque A of the servomotor 48.

The pull-in device 56 has the same structure as the feed device 42, and includes a pull-in roller 57 which can freely contact and separate from the pressure receiving surface 22 in the left-right direction.
Drive device 58 that applies a pull-in rotational force C in conjunction with
Etc. Further, the delivery device 59 has the same structure as the delivery device 42, and a delivery roller 60 that can freely contact and separate from the pressure receiving surface 22 in the left-right direction and a delivery rotational force D interlocked with the delivery roller 60. It comprises a rotation drive device 61 to be applied. The hanging transfer device 40 is configured by 41 to 61 described above.

As shown in FIGS. 1, 2 and 5, at the starting end of the work path S, a primary hanger 15 is connected to a secondary hanger.
There is provided a wholesaler 70 that wholesales 20 and transfers it to the start end of the hanging transfer device 40.At the end of the work path S, the secondary hanger 20 that has reached the end of the hanging transfer device 40 is sent to the primary hanger 15. A transfer loading device 71 is provided. The unloading device 70 and the loading device 71 have the same configuration, and will be described with the same reference numerals given below.

That is, a pair of front and rear columns 73 are erected from the floor 72 side from the outside of the starting end (outside of the terminal end) of the work path S to the outside of the fixed path L. Are connected by a gantry 74. An elevating body 76 guided by a guide body 75 provided on the column 73 is provided, and a winch device (elevating device) 77 for elevating the elevating body 76 is provided on the gantry 74. Of the rail 1, a wholesaler
The part facing 70 and the loading device 71 is one self-propelled
Is formed in the divided rail portion 1A with a length supporting the vertical rails, and the divided rail portion 1A is connected to the elevating body 76.

Next, the operation of the above embodiment will be described. The self-propelled body 5 is supported on the rail 1 by a plurality of wheels 9 by forcibly rotating the wheels 9 by operating the traveling drive device 13 and a plurality of rollers 10 for preventing lateral vibration. The vehicle travels on the fixed route L in a state in which the lateral vibration is prevented. At that time, power is supplied to the self-propelled body 5 by the current collector 14 slidingly contacting the signal / power supply device 4, and between the ground control unit and the control panel (not shown) of the self-propelled body 5. A signal is transmitted and received, and stop, running control and speed control, and presence confirmation are performed.

The self-propelled body 5 traveling in this manner suspends and supports the secondary hanger 20 by mounting the engaged body 23 on the mounting surface 16 of the primary hanger 15 from above. At this time, by positioning the positioning hole 25 with the positioning pin 17 from above, the secondary hanger 20 is positioned on the primary hanger 15 side without swinging back and forth or left and right.
The secondary hanger 20 is connected to a vehicle body T, which is an example of a transferred object.
Are supported via the support 29.

The self-propelled body 5 traveling on the fixed route L in the above state is stopped at the location of the wholesaler 70. Then, by operating the wholesaler 70, the secondary hanger 20 becomes the primary hanger.
It is wholesaled from 15 and passed to the hanging transfer device 40. That is, in the wholesaler 70, as shown by the solid line in FIGS. 1 and 5, the divided rail portion 1A is connected to the rail 1, so that the self-propelled body 5 is transferred to the divided rail portion 1A and stopped.

Next, the self-propelled body 5 is lowered together with the divided rail portion 1A by the operation of the winch device 77. In the vicinity of the lower limit, the idler wheel 32 is mounted on the guide rail 41 from above as shown by the imaginary line in FIGS. The mounting surface 16 is separated downward, and the positioning pin 17 is pulled out of the positioning hole 25 downward. As a result, the secondary hanger 20 is completely separated from the primary hanger 15 and is supported by the guide rail 41.

In this state, first, a pushing device (not shown by a feeder device or the like) is actuated, whereby the secondary hanger 20 is supported and guided by the guide rail 41 and moves from a portion related to the primary hanger 15. It will come off ahead. Thereafter, the primary hanger 15, that is, the self-propelled body 5, is lifted together with the split rail portion 1A by the reverse operation of the winch device 77, and the split rail portion 1A is connected to the rail 1, so that the loading device 71 on the fixed path L. Drive to the side.

As described above, the secondary hanger 20 moved by the pushing device is supplied to the starting end of the work path S,
It is passed to the retraction device 56. And the secondary hanger 20
After being drawn in by the pull-in device 56 that operates in the same manner as the feed device 42 described later, the work is sent on the work path S to the feed device 42 side.

That is, when the secondary hanger 20 is supplied by the retraction device 56, the cylinder device 52 in the feeding device 42 is extended, and the support member 46 is swung outwardly about the longitudinal axis 47. The feed roller 50 is separated from the pressure receiving surface 22 as shown by a virtual line in FIG. Therefore, the supply of the secondary hanger 20 is performed without any trouble.

After the pressure receiving surface 22 is located between the two feed rollers 50, the feed roller 50 is moved closer to the pressure receiving surface 22 as shown by a solid line in FIG. At this time, the feed roller 50 is
Is driven to rotate. Therefore, by pressing the forcibly rotating feed roller 50 against the pressure receiving surface 22, a moving force is given to the secondary hanger 20 by the feed rotation force A, so that the secondary hanger 20 moves on the work path S. While being transported E, the group of secondary hangers 20 that are stopped before and after are pushed back through the front and rear ends of the flat frame body 21 in contact with each other.

The feed amount of the secondary hanger 20 by the feed device 42 is detected by an encoder or the like, and when a predetermined certain feed amount is detected, the feed roller 50 is separated and the feed operation is stopped. In this manner, various operations are performed on the work path S from below or on the side of the vehicle body T while the secondary hanger 20 is being pushed and suspended in a suspended manner or while the movement is stopped.

The secondary hanger reaching the end of the work path S
20 is braked by a braking device 53. That is, when the feeding operation of the secondary hanger 20 by the feeding device 42 is stopped, the cylinder device in the braking device 53 is contracted, and thus the braking roller 54 is separated. Then, in conjunction with the carry-in movement of the feed device 42, the braking roller 54 is moved closer to the pressure receiving surface 23 by an action reverse to that described above, and the braking roller 54 is pressed against the pressure receiving surface 23. Is driven to rotate. In other words, both braking rollers 54 are forcibly rotated in directions opposite to each other by driving the torque motor.

Therefore, the braking roller being forcibly rotated
When the 54 is pressed against the pressure receiving surface 22, the reverse feed rotational force B exerts a propulsive force in the reverse transport direction on the secondary hanger 20, where the feed rotational force A is larger than the reverse feed rotational force B. Therefore, the braking roller 54 is rotated to the feed rotation side in accordance with the difference, and the load at that time is absorbed by the torque motor.

As a result, the secondary hanger 20 corresponding to the inferior braking device 53 is moved on the work path S under the braking action, so that between the feeding device 42 and the braking device 53, The plurality of secondary hangers 20 are densely pushed and aligned in a state of being pushed without forming a gap between the front and rear ends of the flat frame body 21. Such a braking operation by the braking device 53 is stopped immediately before and after the transport by the feed device 42 is stopped.

By the above-mentioned pushing, the braking device 53 is provided.
The secondary hanger 20 extruded from the feeder
After being received by the delivery device 59 that operates in the same manner as 42, the delivery device 59 transfers it to the loading device 71. At this time, the loading device 71 is
The self-propelled body 5 having the empty primary hanger 15 is at the lowermost limit together with the split rail 1A, and therefore the engaged body 23 of the secondary hanger 20 sent out by the feeder 59 is moved to the primary hanger 15 To the outside from the front-rear direction.

When such feeding is completed, the positioning holes 25 face the positioning pins 17 from above. Next, the primary hanger 15, that is, the self-propelled body 5
Is divided rail portion 1A by the reverse operation of the winch device 77.
With the positioning pins 17
Are fitted into the positioning holes 25 from below, and the mounting surface 10 abuts against the mounting surface 24 from below, whereby the secondary hanger 20 is positioned and lifted by the primary hanger 15. Become. And the split rail portion 1A is the rail 1
, The self-propelled body 5 travels on the fixed route L to the next step.

In the above embodiment, the self-propelled body 5, which has unloaded the secondary hanger 20 at the location of the unloading device 70, travels above the work route S and then reaches the loading device 71, and as described above, the work route S Of the secondary hanger 20 that has reached the end of the secondary hanger. Therefore, since the self-propelled body 5 receives the secondary hanger 20 different from the secondary hanger 20 carried to the wholesaler 70 by the loading device 71, the non-use between the wholesaler 70 and the loading device 71 is not used. The self-propelled body 5 does not exist in a storage state, and the number of used vehicles in the entire line can be reduced. In addition , the empty
The running body 5 is loaded at a stretch above the work route S.
From that reach the device 71, such as dust or oil from the self-propelled body 5 side, does not fall on a vehicle body T in the storage form in the lower working path S.

In the above embodiment, the feeding device 42 and the braking device 53
For example, a pair of left and right feed rollers 50 and braking rollers 54
And the like are all of the forced drive type, but it is also possible that one of the left and right is of the forced drive type and the other is of the idle rotation type. In the above embodiment, the feed device 42 is provided at the start end of the work path S and the brake device 53 is provided at the end. And a braking device 53 is arranged on the starting end side,
Then, a connection structure is provided between the secondary hangers 20, whereby the group of secondary hangers 20 is towed by the feed force of the feed device 42, and the rearmost secondary hanger 20 is braked by the braking device 53. You may.

As in the above embodiment, the mobile body 5 is used as the mobile body.
Is adopted, the transport speed is reduced to
In the non-working section, the speed can be arbitrarily changed to a high speed, so that efficient transport can be performed as a whole. However, the moving body of the first invention may be a trolley body moved by a chain-type driving device. Further, in the above embodiment, various operations are performed on the vehicle body T at the work route S, but only the storage of the vehicle body T may be performed at the work route S.

[0045]

According to the first aspect of the present invention, the secondary hanger can be unloaded from the primary hanger and passed to the hanging transfer device. Arbitrary work can be performed on the conveyed object from each direction, such as from below and sideways. Moreover, since the work route is suspended and conveyed, the floor below the work route can be effectively used.

According to the configuration of the second aspect of the present invention, the transport on the fixed route is performed by the self-propelled body, so that the self-propelled body, which has unloaded the secondary hanger in the wholesaler unit, runs at a high speed above the work path. Yes, and another secondary hanger can be received at the loading unit. Thus, the number of unused self-propelled bodies can be minimized between the wholesaler and the loading device, and the number of units used in the entire line can be reduced. Also wholesale
Self-propelled body empty the apparatus, by which reach the loading device and once passes above the working path, such as dust or oil from the self-propelled body side, on the transported object at the bottom of the working path Falling can be minimized.

Further, according to the structure of the third aspect of the present invention, in the work path, the feeding device can be applied to the pressure receiving surface of the secondary hanger to apply the transfer force, thereby keeping the secondary hanger group in a dense storage state and The idler wheels can be transported at a predetermined speed in a stable state supported by guide rails.

[Brief description of the drawings]

FIG. 1 shows an embodiment of the present invention and is a schematic side view of a transfer facility using a hanger.

FIG. 2 is a schematic plan view of the work path unit.

FIG. 3 is a side view of the same constant path section.

FIG. 4 is a front view of the same constant path section.

FIG. 5 is a front view of the wholesaler unit.

FIG. 6 is a plan view of the feeder unit.

FIG. 7 is a rear view of the feeder unit.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Rail 1A Split rail part 4 Signal and power supply device 5 Self-propelled body (moving body) 6 Trolley body 9 Wheel body 13 Traveling drive device 14 Current collector 15 Primary hanger 16 Placement surface 17 Positioning pin 20 Secondary hanger 21 Flat frame 22 Pressure receiving surface 23 Engaged object 24 Placed surface 25 Positioning hole 28 Hanger arm 32 Idler wheel 40 Hanging transfer device 41 Guide rail 42 Feeder 48 Servo motor (rotary drive) 50 Feed roller 53 Braking device 54 Brake roller 55 Reverse rotation drive device 56 Retraction device 57 Retraction roller 58 Rotation drive device 59 Feeding device 60 Delivery roller 61 Rotation drive device 70 Wholesaler 71 Loading device 73 Post 76 Lifting body 77 Winch device (lifting device) L Constant path S Work route T Body (transported object)

Claims (3)

(57) [Claims] A movable body supported and guided by a rail and movable on a fixed path is provided, a primary hanger is provided at a lower portion of the movable body, and a lower portion of the primary hanger is engaged with the primary hanger side from above. A detachable secondary hanger is provided and is supported by the secondary hanger along a predetermined location in the fixed path.
And to form a perform work industry path work on the conveyed object, the hanging transfer device for a secondary hanger to the work path
Provided, the leading end of the working path, provided with a pass to wholesale device to the transfer device suspended by wholesale the secondary hanger from the primary hangers, at the end, passing the secondary hanger hanging transfer device to the primary hanger Transfer equipment using hangers, characterized by a loading device. 2. A fixed path is guided and supported by the rail.
Freely mobile is - are supported and guided in Le and consist travel freely self body, said Le - hanger use of transport facilities Le of claim 1, wherein the forming the working path downward . 3. The secondary hanger has an idler wheel at the top.
Both sides form a pressure-receiving surface, and a guide rail capable of supporting the idler wheel from below is disposed along the work path, and the work path acts on the pressure-receiving surface to the secondary hanger. The transport equipment using a hanger according to claim 1, further comprising a feeding device for applying a moving force.