JPH06227642A - Conveyance facility using drive chain device - Google Patents

Abstract

PURPOSE:To receive dust and oil which is produced by a block member and remove them through a dust discharge port after scraping them up by a brush by providing the brush which can contact the top face of the block member at the predetermined section in the direction of length and forming the dust discharge port at the predetermined section of the block member. CONSTITUTION:A travelling body moves due to drive force of a drive chain device 20 which is driven continuously via a receive section 18 engaged with a transmission body 29. At this time, the travelling body is supported and guided by an upper rail, and the drive chain device 20 is supported and guided by a lower rail 2 via a roller 27. When the roller 27 is supported and guided by the lower rail 2, dust and oil which occur in the other section drop from between a pair of lower rails 2 on the right and left and are received on the top face of the block member 5. Further, when a brush 33 which moves integrally with the drive chain device 20 contacts the top face of the block member 5, dust and oil which are received are scraped up and removed through a dust discharge port 6.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to the use of a drive chain device which is adopted when, for example, a vehicle supporting a car body is traveling while various processing operations are performed on the car body in an automobile manufacturing factory. Related to the transportation equipment.

[0002]

2. Description of the Related Art Conventionally, as this kind of equipment, for example, the structure shown in Japanese Patent Publication No. 64-11502 is provided. In this conventional configuration, a pair of left and right power tracks are provided below the carrier track that supports and guides the carrier, and an endless chain movable between the two tracks is provided. A roller supported and guided by the power track is provided, and a pusher member on which the drive claw on the carrier side can be engaged and disengaged is provided upright from an appropriate position of the endless chain.

[0003]

According to the above-mentioned conventional structure, for example, dust generated when the roller is supported and guided by the power track and dust, oil, etc., generated from other parts are generated between the pair of left and right power tracks. Problems such as falling and soiling the floor side occur. On the other hand, it is conceivable to provide a blocking plate between the lower surfaces of both power tracks to prevent dust and oil from falling, but in this case dust and oil accumulate on the upper surface of the blocking plate. Supposedly, its cleaning (removal)
Work etc. cannot be done easily.

An object of the present invention is to provide a transfer facility using a drive chain device which can prevent dust and the like from falling and can automatically perform a cleaning operation.

[0005]

In order to achieve the above object, the transport facility using the drive chain device of the present invention comprises a moving body supported and guided by an upper rail and a moving body supported and guided by a lower rail. A drive chain device having a transmission body that can be engaged and disengaged between the lower rails, and the lower rails are a left and right pair,
The open portions are arranged to face each other, and a closing member is provided across the lower surface of the open portion.
The chain portion has the transmission body, brackets attached to the chain portion at a plurality of positions, and a pair of left and right rollers attached to the bracket and supported and guided by the lower rails. A brush that can be slidably contacted with the upper surface of the closing member is provided at a location,
A dust outlet is formed at a predetermined position of the closing member.

[0006]

According to the structure of the present invention, the moving body moves by receiving the driving force of the continuously driven drive chain device via the passive portion engaged with the transmission body. At this time, the moving body is supported and guided by the upper rail, and the drive chain device is supported and guided by the lower rail via rollers.

During such an operation, for example, dust generated when the roller is supported and guided by the lower rail, dust generated in other places, oil, and the like fall from between the pair of left and right lower rails, and the dust of the closing member. It is received on the upper surface. Further, a brush that moves integrally with the drive chain device slides on the upper surface of the closing member, scrapes dust and oil received on the upper surface, and moves on the upper surface. The dust, oil, etc. thus collected are dropped through the dust outlets provided at predetermined intervals and removed to the outside of the lower rail.

[0008]

An embodiment of the present invention will be described below with reference to the drawings. 3 and 4, the upper rails 1 for supporting and guiding the moving body 10 are arranged in a pair on the left and right, and their open portions are arranged to face each other. The moving body 10 includes a front trolley 11, a load trolley 12, a rear trolley 13, and a connecting rod for connecting the front trolley 11 and the load trolley 12 so as to be relatively swingable.
14 and a transported object support device 15 that also serves as a connecting rod between the load trolley 12 and the rear trolley 13.

Each of the trolleys 11 to 13 has a pair of front and rear trolley wheels 16 on both sides of the main body, and is supported and guided by the upper rail 1 via these trolley wheels 16. Further, the supporting device 15 which also serves as a connecting rod is provided with receiving members 17 at a plurality of positions on the upper surface side.
And supports the vehicle body (an example of an object to be conveyed) A via these receiving members 17. Then, a passive body (passive protrusion) 18 which can be vertically swung is provided on the lower portion of the main body of the front trolley 11.
Is attached.

1 to 4, a lower rail 2 is disposed below the upper rail 1 along the entire length or a part of the upper rail 1, and the lower rails 2 are left and right paired. Then, the open portions are opposed to each other. Both rails 1 and 2 are integrated by a yoke 3 at a plurality of positions in the rail length direction. The lower rail 2 (same for the upper rail 1) is for connecting a certain length, and the connection is
This is done by connecting the connecting plates 4 integrated at the ends with bolts and nuts.

The lower rail 2 is provided with a closing member (plate or the like) 5 across the lower surface thereof. The closing member 5 is provided over almost the entire length, and is not provided (removed) at a plurality of predetermined locations to form the dust outlet 6. Here, the upward surface 2a of the lower rail 2 is formed as a lower inclined surface toward the inner side.

The drive chain device 20, which is supported and guided by the lower rail 2, has every other center link 21 and a pair of upper and lower outer links connecting adjacent ends of the center links 21 via vertical pins 22. 23 and chain part
Forming 24. A bracket 26 is attached to the center link 21 via a bolt nut 25, and a pair of left and right rollers 27 supported and guided by the lower rail 2 is attached to a lower portion of the bracket 26 via a roller shaft 28. Further, a transmission body 29, on which the passive body 18 can be freely engaged and disengaged, is integrally projected from the upper outer link 23 at a proper position in the length direction.

Further, at one or two positions in the lengthwise direction of the drive chain device 20, a support member 30 is continuously provided from the bracket 26 to the moving rear side. A brush holder 32 is attached to the free end of the support member 30 via a bolt nut 31. The brush 33 held by the brush holder 32 extends vertically downward, and at this time, the brush lower edge 33a is inclined toward the upper surface 2a of both lower rails 2 and the lower portion of both lower rails 2 is inclined. It is formed so as to come into sliding contact with the upper surface 5a of the closing member 5 through the space. The brush 33 is, for example, SU
Manufactured by S to deal with heat and rust.

The dust outlet 6 is formed near the connecting plate 4, and a dust collecting box 7 is provided so as to face the dust outlet 6 from below. The dust collecting box 7 is placed on the receiving member 8 fixed to the connecting plate 4 side and can be taken out.

The operation of the above embodiment will be described below. Drive chain device by actuation of both drive devices (not shown)
20 is continuously driven. Then, the moving body 10 causes the passive body 18 to engage with the transmission body 29 to drive the drive chain device.
It moves by receiving the driving force of 20. At that time, the moving body 10 is supported and guided by the upper rail 1 via the trolley wheel 16,
The drive chain device 20 is supported and guided by the lower rail 2 via rollers 27.

During such an operation, for example, dust generated when the roller 27 is supported and guided by the lower rail 2 and dust and oil generated in other places fall from between the pair of left and right lower rails 2. It is received on the upper surface 5 a of the closing member 5. At that time, the inclined upper surface 2a of the lower rail 2
Helps the dust, oil, etc. in the lower rail 2 move to the closing member 5 side.

Further in operation, the drive chain device
The lower edge 33a of the brush 33 that moves integrally with the 20 slides on the upper surface 5a of the closing member 5, and the brush 33 collects dust and oil received on the upper surface 5a and moves the upper surface 5a. Become. At that time, dust, oil, and the like staying on the upper surface 2a of the lower rail 2 are scraped up by the brush lower edge 33a which is in non-sliding contact with the upper surface 2a and transferred to the closing member 5 side.

The dust and oil thus collected are dropped through the dust outlets 6 provided at predetermined intervals and received by the dust collection box 7. The dust collection box 7 is periodically or irregularly removed from the receiving member 8 and, after discharging dust, oil, etc., is set on the receiving member 8 again. For the abrasion of the brush 33, the bolt nut 31
The brush holder 32 and the brush holder 32 may be replaced by the operation.

In the above embodiment, the lower rail 2 whose upper surface 2a is inclined is shown, but the lower rail 2 may have a horizontal upper surface 2a. Further, in the lower rail 2 whose upper surface 2a is inclined or horizontal, the brush lower edge 33a may be in sliding contact with the upper surface 2a.

In the above embodiment, the carriage type movable body 10 movable on the floor side is shown, but it may be a carrier type movable body 10 movable on the ceiling side. Further, in the above embodiment, the form in which the passive body 18 is engaged with the transmission body 29 has been shown, but this may be a form in which the transmission body 29 is engaged with the passive body 18.

[0021]

According to the present invention having the above construction, the generated dust and oil can be received by the closing member and prevented from falling, and the dust and oil on the closing member can move together with the drive chain device. It can be scraped and then removed from the dust outlet, and its cleaning operation can be automatically and reliably performed. The drive chain device having the brush can be provided at low cost.

[Brief description of drawings]

FIG. 1 is a partially cutaway side view of a main part of a drive chain device according to an embodiment of the present invention.

FIG. 2 is a partially cutaway rear view of a main part of the drive chain device.

FIG. 3 is a schematic side view of a transfer facility using the drive chain device.

FIG. 4 is a schematic front view of a transfer facility using the drive chain device.

[Explanation of symbols]

 1 Upper rail 2 Lower rail 2a Upward surface 5 Closing member 5a Upper surface 6 Dust outlet 7 Dust collection box 8 Receiving member 10 Moving body 15 Transported object support device 18 Passive body 20 Drive chain device 21 Center link 23 Outer link 24 Chain part 26 Bracket 27 Roller 29 Transmission body 30 Support material 31 Bolt nut 32 Brush holder 33 Brush 33a Brush lower edge A Vehicle body (object to be transported)

Claims (1)

[Claims] 1. A moving body supported and guided by an upper rail,
And a drive chain device having a transmission body supported and guided by the lower rail and capable of being engaged with and disengaged from the moving body. The lower rail is a pair of right and left, and the open portions thereof are arranged to face each other. , Providing a closing member across the lower surface thereof,
The drive chain device includes a chain portion having the transmission body, brackets attached to the chain portion at a plurality of positions, and a pair of left and right rollers attached to the bracket and supported and guided by the lower rail. A transport facility using a drive chain device, wherein a brush slidable on the upper surface of the closing member is provided at a predetermined position in the length direction, and a dust outlet is formed at a predetermined position of the closing member.