JPH06262442A - Equipment and facility for conveying plate-shaped object - Google Patents

Abstract

PURPOSE:To improve storage efficiency of a plate-shaped object by supporting the plate-shaped object of a door or the like in a vertical direction to a supporting member, juxtaposing a plurality of the supporting members loaded in a pallet, and providing a positioning device of each supporting member in this pallet, in an automobile factory. CONSTITUTION:This plate-shaped object conveying equipment 10 comprises a plate-shaped object supporting member 11 for supporting a plate-shaped object (door) 1 in a vertical direction, pallet 25 for loading a plurality of these supporting members 11 in a parallel condition and a positioning device 27 for positioning the supporting member 11 loaded in this pallet 25. The supporting member 11 comprises a vertical member 12 of squared sectional surface, pair of upper/lower brackets 13 mounted on one surface of this vertical member 12 and a supporter 16 turnable around a vertical axial line 15 connected through a vertical shaft 14 between these brackets 13, and a turn impeding unit 30 engageable/disengageable relating to this supporter 16 is provided in the pallet 25. The positioning device 27 is in a pin shape and provided in a plural quantity by a prescribed pitch in one side part of the pallet 25 in its lengthwise direction.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a plate-like material conveying tool and a plate-like object conveying equipment used for conveying doors, for example, in the manufacture of automobiles.

[0002]

2. Description of the Related Art In the manufacture of automobiles, for example, there is a process in which a door assembled to a vehicle body is removed from the vehicle body, various processes are performed on the door, and then the processed door is assembled to the vehicle body again. is there. Conventionally,
As this type of structure, for example, an automobile assembling method and its apparatus, which are disclosed in Japanese Patent Laid-Open No. 53-8884, are provided. In this conventional structure, the body to which the door is assembled is put from the painting line into the storage line, and the body is ejected from the storage line in the door removing process.

This door is received by the power and free conveyor and conveyed to the door outfitting line, and then transferred to the storage tower by the door body transfer means.
Then, the door of the storage tower is transported to a door mounting process by a conveyor using a cart. Further, the body is transferred from the body outfitting line to the chassis assembly line and then to the door mounting step, and in this door mounting step, the door unloaded from the dolly described above is mounted.

[0004]

However, according to the above-mentioned conventional structure, the doors detached from the body are conveyed one by one before and after the door rigging line by the door hangers of the power and free conveyor and the dolly. Therefore, a large number of door hangers, carts, and the like are required, which complicates control and makes the whole expensive.

Further, since the door is attached to or removed from the door hanger or the dolly, the door hanger or the dolly requires a door support structure, which makes the door complicated and expensive, and the operator needs to use the door. Installation and removal work by operating the support structure becomes troublesome. Further, as shown in FIG. 5, the door 70 removed from the body is conveyed in the lengthwise direction 70a along the conveyance direction 71 by a power and free conveyor or door body transfer means before and after the door rigging line. Therefore, the storage section 72 formed before and after the door outfitting line
Then, the storage amount of the door 70 is small relative to the length of the storage line, resulting in poor storage efficiency.

An object of the present invention is to convey a plurality of plate-like objects including a door, which can be efficiently set on the pallet side and can be conveyed, and which can be handled together with a support structure. Another object is to provide a plate-like object transportation facility that can efficiently store the plate-like object and can smoothly carry the door in the door processing section.

[0007]

In order to achieve the above-mentioned object, the plate-shaped article conveying tool of the first invention is provided with a plate-shaped object support member for supporting the plate-shaped object in a vertical direction. The positioning device for the placed plate-shaped object support members is provided on a pallet that can be placed in parallel with each other. Further, in the plate-shaped object transporting tool of the second invention, a plurality of plate-shaped object supporting members are arranged side by side on a pallet capable of being placed, and a positioning device for the mounted plate-shaped object supporting members is provided. Is composed of a vertical member on which the positioning device is operable, and a support member rotatably connected to the vertical member about a longitudinal axis and capable of supporting a plate-shaped object in a vertical direction. The pallet side is provided with a rotation blocking body that can be engaged with and disengaged from the body.

Further, in the plate-shaped article transporting tool of the third aspect of the present invention, the plate-shaped article supporting member supports the vehicle door. Further, the plate-shaped object transportation facility of the fourth invention is provided with a plate-shaped object support member that supports the plate-shaped object in a vertical direction, and a plurality of the plate-shaped object support members are provided in parallel so that a pallet can be placed. A transport device is provided for transporting the pallet along the parallel direction of the plate-shaped object support members.

Further, according to the plate-shaped object conveying equipment of the fifth aspect of the invention, a plurality of plate-shaped object supporting members for vertically supporting the doors are arranged in parallel so that the pallet can be placed thereon, and the plate-shaped object supporting members are opposed to the upper side of the vehicle body conveying line. The door is removed from the car body and the stacking part is provided to transfer it to the plate-shaped object support member of the pallet. A working unit carrier and an empty pallet returning device are provided between the stacking unit and the assembling unit, and the working unit carrier is used to move the actual pallet from the stacking unit in the parallel direction of the plate-shaped object supporting members. A storage unit that conveys densely along the storage unit, a unloading unit that lowers the storage unit and unloads the door together with the plate-shaped object support member from the actual pallet and passes it to the processing line, and a door processed in the processing line. A returning portion returning along with Jo object supporting members on the pallet and constitute a a conveying section connecting the stowage portion and the return portion.

[0010]

According to the plate-like material conveying tool of the first invention described above,
The plate-like object can be placed on the pallet together with the plate-like object supporting member or can be unloaded from the pallet, and each pallet can support a large number of plate-like objects via the plate-like object supporting member. Further, according to the plate-like object transporting tool of the second aspect of the present invention, the plate-like object placed on the pallet via the plate-like object supporting member can be arbitrarily oriented by rotating the support member with respect to the vertical member. Can be changed to, and by allowing the rotation preventing body to act on the support body, a plurality of plate-like objects can be fixed in parallel.

Further, according to the plate-shaped material conveying tool of the third aspect of the present invention, the door of the automobile can be placed on the pallet together with the plate-shaped material supporting member or can be unloaded from the pallet, and supported by the plate-shaped material supporting member. The direction can be arbitrarily changed in the state of being made. Further, according to the plate-shaped article conveying facility of the fourth aspect of the present invention, the conveying device can convey a pallet in which a plurality of plate-shaped articles are arranged in parallel via the plate-shaped article supporting member with the parallel direction as the conveyance direction.

Further, according to the plate-like material conveying facility of the fifth aspect of the present invention, the vehicle body to which the door is attached is stopped at the loading section,
Then, by stopping the empty pallet from the empty pallet returning device in the stacking unit, the door removed from the vehicle body can be stacked on the plate-shaped object support member of the empty pallet. As a result, the vehicle body whose door has been removed can be transported along the vehicle body transportation line to perform the desired work.

Further, the pallet of the loading section can be formed into an actual pallet by loading the doors on all of the plurality of plate-shaped object supporting members. This actual pallet can be densely transported in the storage section of the working section transporting device along the parallel direction of the plate-shaped object supporting members, that is, the door groups along the parallel direction. The actual pallets coming out from the end of the storage section can be transported to the unloading section, and then the plate-shaped object supporting members can be unloaded one by one and handed over to the processing line. At this time, each plate-like object supporting member supports the door, and therefore, by carrying the plate-like object supporting member on the processing line, the desired work can be performed on the door. The pallets emptied in the wholesale section can be transported to the return section, and in the return section,
The door processed in the processing line can be returned to the pallet together with the plate-shaped object supporting member.

The actual pallet supporting many processed doors in this manner can be transported to the assembly unit via the transport unit. Then, from the actual pallet, only the door can be unloaded, leaving the plate-like member supporting member, and this door can be assembled to the vehicle body that has been transported on the vehicle body transportation line after the desired work is completed.
An empty pallet supporting device group can be placed on the pallet with all the doors emptied and returned by the empty pallet returning device, and can be returned to the stacking unit.

[0015]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to FIGS. In FIG. 1 and FIG. 2, the plate-shaped material conveying tool 10 is
A plate-like object supporting member 11 for vertically supporting the door 1 which is an example of a plate-like object, a pallet 25 on which a plurality of the plate-like object supporting members 11 can be placed in parallel, and a pallet 25 that can be placed on the pallet 25 The positioning device 27 for the plate-shaped object support member 11 is used.

The plate-like object support member 11 has a vertical member 12 having a rectangular cross section, a pair of upper and lower brackets 13 attached to one surface of the vertical member 12, and a vertical axis 14 between the brackets 13. The support member 16 is connected to the vertical member 12 and is rotatable about the longitudinal axis 15. On the lower surface side of the vertical member 12, a positioned portion 17 on which the positioning device 27 can freely operate is formed by a recessed portion.

The support body 16 includes a vertical rod portion 18 connected between the brackets 13 via a vertical axis 14, and a horizontal rod portion 19 continuously provided from the lower end of the vertical rod portion 18 toward the outside. Is formed into an L shape. The vertical rod portion 18 is provided with a stationary engagement tool 20 with which the base side edge of the door 1 can be engaged, and the horizontal rod portion 19 supports the lower edge of the door 1 and the length of the horizontal rod portion 19 is long. A plurality of rollers 21 for guiding and moving in the vertical direction are provided, and a movable engaging member 22 is provided at the free end of the lateral rod portion 19 so as to be able to stand up and down and to be engaged with the free side edge of the door 1 by standing up. ing.

The positioning device 27 is, for example, in the form of a pin, and the pallet 25 is provided at one side thereof with the length direction L thereof.
Thus, a plurality of them are arranged in parallel at every predetermined pitch P. Further, the pallet 25 has a rotation-preventing body which can be engaged and disengaged with the support body 16.
30 is provided. A plurality of the rotation blocking bodies 30 are arranged side by side at a pitch similar to the predetermined pitch P of the positioning device 27 in an intermediate portion in the width direction of the pallet 25, and a bracket 31 fixed on the pallet 25, This bracket 31
And a link-shaped blocking body 33 rotatably attached via a pin 32 along the length direction L.

When the blocking body 33 is rotated to the vertical member 12 side, the blocking body 33 assumes an inclined standing posture, faces the horizontal rod portion 19 from the side, and is rotated to the movable engaging member 22 side. It is configured such that when it is brought into contact with the pallet 25, it is in a horizontal sideways laid posture and is disengaged downward from the lateral side of the horizontal rod portion 19. The above-mentioned pallet 25 is used for the plate-like object conveyance facility 40 shown in FIG. A vehicle body transport line 35 for transporting the vehicle body (an example of a body to be assembled) 2 is linearly formed by a slat conveyor or the like for transporting a vehicle body support pallet.

A stacking section 41 for forming an actual pallet 25 by removing the door 1 from the vehicle body 2 and moving it to the plate-like object supporting member 11 of the empty pallet 25 so as to face the upper side of the vehicle body transport line 35. In addition to the above, an assembling portion 42 for assembling the door 1 unloaded from the plate-like object supporting member 11 of the actual pallet 25 to the vehicle body 2 is provided facing the lower side. The work of removing the door 1 from the stacking unit 41 and the work of assembling the door 1 from the assembling unit 42 are performed manually.

The car body transfer line 35 is provided, for example, on the lower floor, and various works are performed on the car body 2 during the transfer. And, between the stacking section 41 and the assembling section 42, most of the working section transporting apparatus is located on the upper floor side.
45 and an empty pallet return device 60, all located on the lower floor, are provided. The first half of the working unit transporting device 45 is a lifting device (lifting device) 46 for lifting the actual pallet 25 generated in the stacking unit 41 from the lower floor to the upper floor, and this lifting device.
A good carrier section 47 for carrying the real pallet 25 from the 46, and a real pallet 25 from the good carrier section 47 for supporting the plate-like object.
A storage unit (an example of a transport device) 48 that densely transports along the 11 parallel directions (length direction L), and this storage unit
It is composed of an intermediate transfer section 49 for transferring the real pallet 25 from 48.

Further, the latter half of the working section conveying device 45 receives the actual pallet 25 from the intermediate conveying section 49, and wholesales the door 1 together with the plate-like object supporting member 11 from the actual pallet 25 to the processing line 39. Passing and lowering section 50, returning section 51 for returning door 1 processed in said processing line 39 to pallet 25 together with plate-like object supporting member 11, and returning section 51 from said lowering section 50
Between the pallets and the lower pallet transporting unit 52 that transports the actual pallet 25 from the returning unit 51 (an example of the transporting unit).
53, and a lowering device (lifting device) for lowering the actual pallet 25 from the lower transfer section 53 to the assembly section 42 on the lower floor.
54 and.

The empty pallet returning device 60 is arranged on the lower floor so as to avoid the processing line 39, and returns the empty pallets 25 produced in the assembling section 42 to the loading section 41. In the processing line 39, while carrying the plate-like object supporting member 11 supporting the door 1, a predetermined processing operation is performed on the door 1, and at this time, the vertical member 12
On the other hand, by rotating the support 16 around the vertical axis 15, the door 1 can be oriented in a direction in which it can be easily processed.

In the working section transfer device 45, as shown in FIGS. 1 and 2, the pallet is mainly driven by the roller conveyor 55.
25 transports. These roller conveyors 55 are of a drive type, and most of them adopt a roller drive type. However, for example, in the storage section 48, as shown in FIGS. 2 to 4, the storage line is divided into one or more,
In this partition, a feeder 56 that acts on the side surface of the pallet 25 is provided on the upper side, and the pallet 25 on the lower side.
A drive type in which a braking device 57 that acts on the side surface of the vehicle is provided is adopted.

According to this driving method, a large feeding force can be applied to the upper one of the pallet 25 group by the feeding device 56, and a small backward braking force can be applied to the lower one of the pallet 25 group by the braking device 57. Therefore, the actual pallets 25 can be densely conveyed along the parallel direction of the plate-shaped object supporting members 11. At that time, as shown in FIG. 1 and FIG.
By guiding the guided object 26 provided on the lower surface side of 25 by the guide roller 58 provided on the floor side, the pallet 25 can be conveyed without lateral displacement.

The carrying operation in the above embodiment will be described below. The vehicle body 2 to which the door 1 is attached is conveyed from the vehicle body conveyance line 35 from a previous process such as a painting line and stopped at the stacking section 41. Stowage section 41 here
Includes one empty pallet 25 from the empty pallet return device 60.
Is stopped. That is, the empty pallet 25 group is positioned by placing the vertical member 12 on the pallet 25 by externally fitting the positioned portion 17 to the positioning device 27, as shown by the solid line in FIG. The blocking body 33 is erected in an inclined manner and faces the side surface of the horizontal rod portion 19, thereby preventing the support body 16 from rotating with respect to the vertical member 12.

In this state, the operator of the stacking section 41 first causes the movable engaging member 22 to move forward to open the front of the roller group 21 as shown by the phantom line in FIG.
33 is made to reach sideways so that the support 16 can rotate with respect to the vertical member 12. Then, the operator removes the door 1 from the vehicle body 2 and then stacks the door 1 on the plate-shaped object support member 11 of the empty pallet 25.

That is, the door 1 removed from the vehicle body 2 is moved to the vertical rod portion 18 side with the lower edge thereof being placed on the roller 21, and the base edge is engaged with the stationary engaging member 20. When the support 1 is rotated with respect to the vertical member 12 when the door 1 is moved, the support 16 can be oriented in an easily acceptable direction.
Next, the movable engaging member 22 is erected to close the front of the group of rollers 21, and the movable engaging member 22 is engaged with the free side edge of the door 1. Then, the blocking body 33 is erected upright so that the horizontal rod portion
By making it face the side surface of 19, it can be in a transport mode as shown in FIG.

The vehicle body 2 with the door 1 removed as described above
Performs the intended work during transportation on the vehicle body transportation line 35. Further, since the pallet 25 of the stacking unit 41 has a plurality of plate-shaped object support members 11, a large number of doors 1 corresponding to a plurality of vehicle bodies 2 are stacked, and thus all the plate-shaped objects are formed. By stacking the doors 1 on the object support member 11, an actual transportable pallet 25 as shown in FIG. 2 is formed. The actual pallet 25 is raised to the upper floor by the raising device 46 and then delivered to the upper transport section 47.

Next, the actual pallet 25 is conveyed by the upper conveying section 47 and supplied to the starting end of the storage section 48. In this storage unit 48, the actual pallet 25 is a feeding device.
Since a small braking force in the opposite direction is applied by the braking device 57 to the head of the preceding pallet group 25 at that time, the feeding device 56
From between and to the braking device 57, they are densely conveyed by being pushed. Further, the dense transfer is performed by arranging the plate-like object support members 11 in the parallel direction, that is, by arranging the door 1 group in the parallel direction.

The actual pallet 25 pushed out from the end of the storage section 48 is transferred to the unloading section 50 via the intermediate transfer section 49. From the real pallet 25 stopped at this wholesaler 50,
For example, the plate-shaped object support members 11 are unloaded one by one using a transfer device and delivered to the processing line 39. This is performed by removing the plate-shaped object supporting member 11 from the positioning device 27 and fixing the plate-shaped object supporting member 11 to the conveying means of the processing line 39.

At this time, each plate-like object supporting member 11 supports the door 1, and therefore, by carrying the plate-like object supporting member 11 through the processing line 39, the desired work is performed on the door 1. To be done. At that time, the support member 16 is attached to the vertical member 12.
By rotating about the vertical axis 15, the door 1 can be oriented in a direction in which it can be easily machined. As described above, the pallet 25 emptied by unloading the plate-like object supporting member 11 in the unloading section 50.
Is conveyed to the returning section 51 by the pallet conveying section 52. Then, in the returning section 51, the door 1 processed in the processing line 39 is returned (loaded) to the pallet 25 together with the plate-shaped object supporting member 11. At that time, as described above, the blocking body 33
Is raised in an inclined shape to face the side surface of the horizontal rod portion 19.

The actual pallet 25 supporting a large number of the doors 1 thus processed is conveyed by the lower conveying section 53, then lowered to the lower floor by the lowering device 54 and supplied to the assembling section 42. Then, only the door 1 is unloaded from the actual pallet 25, leaving the plate-like object supporting member 11, and
After the desired work is completed, the vehicle body transport line 35 is assembled to the transported vehicle body 2. It should be noted that the door 1 is set so that the same operation is performed on the vehicle body 2 removed at the stacking section 41.

In this way, the pallet 25 having all the doors 1 emptied is returned by the empty pallet returning device 60 with the empty plate-shaped object supporting member 11 group placed thereon, and is supplied to the stacking section 41. . In the above embodiment, the door 1 is a plate-like object.
However, in the first, second, and fourth inventions, for example, a plate-shaped material conveying tool or a plate-shaped material conveying facility that handles a door body, a window frame body, or the like may be used. Further, although the pin fitting type is shown as the positioning device 27 in the above embodiment, other positioning types such as a dovetail type fitting type may be used in the present invention.

Although the L-shaped support member 16 is shown in the above embodiment, it may be arbitrarily changed from the shape of the plate-like member, and the presence or absence of the engaging members 20, 22 and the shape thereof are arbitrary. is there. In the above embodiment, the storage unit is used as the transfer device.
Although 48 is shown, in the fourth invention, a carrier device other than the storage line may be used.

[0036]

According to the first aspect of the present invention having the above-described structure, the plate-like object can be placed on the pallet together with the plate-like object supporting member or can be unloaded, and the handling work can be simplified and the pallet can be The plate-like object support structure is not necessary and can be provided easily and inexpensively. Further, a plurality of plate-like objects can be placed in parallel on a pallet via a plate-like object supporting member, and by transporting this pallet, a large number of plate-like objects can be efficiently handled simultaneously, and as a whole, The number of pallets can be reduced, control can be simplified, and it can be provided at low cost.

Further, according to the second aspect of the present invention having the above-mentioned structure, by changing the direction of the support, it is possible to easily load and unload the plate-like material on the support and to mount the placed plate-like material. Various processing operations on an object can be easily and accurately performed. Further, by applying the rotation preventing tool, desired pallet transportation can be performed without causing rattling.

According to the third aspect of the present invention having the above-described structure, it is possible to easily and smoothly carry out various kinds of processing such as transportation on a processing line for automobile doors. Further, the fourth book having the above structure
According to the present invention, when the storage is performed in the portion of the transfer device, it is possible to perform the storage in a state where the plate-like objects are arranged in parallel in the transfer direction, and the storage lines can be densely stored, and the storage efficiency can be improved.

According to the fifth aspect of the present invention having the above-described structure, the separated car body and door can be smoothly conveyed at their respective processing parts, and the car body and door can be easily integrated, and the pallet Circulation movement can also be performed smoothly.

[Brief description of drawings]

FIG. 1 is a front view of a plate-shaped material conveying tool according to an embodiment of the present invention.

FIG. 2 is a perspective view of a storage unit in the plate-like object transportation facility.

FIG. 3 is a schematic plan view of the plate-shaped object transportation facility.

FIG. 4 is a schematic plan view of a storage unit in the plate-like object transportation facility.

FIG. 5 is a schematic plan view of a storage unit showing a conventional example.

[Explanation of symbols]

 1 Door (plate-like object) 2 Car body (body to be assembled) 10 Plate-like object transporting tool 11 Plate-like object supporting member 12 Vertical member 14 Vertical axis 15 Vertical axis 16 Support body 17 Positioned part 20 Fixed engagement tool 21 Roller 22 Movable engagement tool 25 Pallet 27 Positioning device 30 Rotation blocking body 33 Blocking body 35 Vehicle body transport line 39 Processing line 40 Plate-shaped material transport facility 41 Stacking unit 42 Assembly unit 45 Working unit transport device 46 Lifting device 47 Superior transport unit 48 Storage unit (transport device) 49 Intermediate transport unit 50 Unloading unit 51 Returning unit 52 Pallet transport unit 53 Lower transport unit (transport unit) 54 Lowering device 60 Empty pallet returning device L Pallet length direction P Pitch of the positioning device

Claims (5)

[Claims] 1. A plate-shaped object supporting member for supporting a plate-shaped object in a vertical direction is provided, and a plurality of plate-shaped object supporting members are mounted on a pallet which can be mounted in parallel. A plate-like object transporting tool comprising a device. 2. A positioning device for mounting the plate-shaped object supporting members is provided on a pallet capable of mounting a plurality of plate-shaped object supporting members in parallel, and the positioning device is operable on the plate-shaped object supporting member. A vertical member, and a support member that is rotatably connected to the vertical member about the longitudinal axis and is capable of supporting a plate-shaped object in a vertical direction. The support member is detachable from the support member. A plate-like object transporting tool, wherein a rotation blocking body is provided on the pallet side. 3. The plate-like object transporting tool according to claim 1, wherein the plate-like object supporting member supports an automobile door. 4. A plate-shaped object supporting member for supporting a plate-shaped object in a vertical direction is provided, and a plurality of plate-shaped object supporting members are arranged in parallel to provide a pallet which can be placed, and the pallet is supported by the plate-shaped object. A plate-like object transfer facility, which is provided with a transfer device for transferring members in a parallel direction. 5. A plate-shaped pallet in which a plurality of plate-shaped object supporting members for supporting a door in a vertical direction are arranged in parallel and can be placed, and the door is removed from the vehicle body facing the upper side of the vehicle body transportation line. In addition to providing a stacking part to be transferred to the object support member, an assembly part for assembling a door unloaded from the plate-like object support member of the pallet to the vehicle body is provided facing the lower side, and between the stacking part and the assembly part, A working unit transport device and an empty pallet returning device are provided, and the working unit transport device is a storage unit that densely transports the actual pallets from the stacking unit along the parallel direction of the plate-shaped object supporting members, In the lower part of this storage section, a unloading section that wholesales the door together with the plate-shaped object supporting member from the actual pallet and passes it to the processing line, and the door processed in the processing line is returned to the pallet together with the plate-shaped object supporting member. A plate-like object transportation facility comprising a returning unit and a carrying unit connecting the returning unit and the stacking unit.