JPH0442213Y2 - - Google Patents

Description

[Detailed description of the invention] Industrial field of application This invention is applicable to double-acting floor conveyors used to transport car bodies in automobile manufacturing plants, for example, where the car body is temporarily removed before the car body painting process and drying process. This invention relates to a storage device.

BACKGROUND TECHNOLOGY As shown in FIG. 5, this type of device is
The free rails include an inflow side main free rail 81 and an outflow side main free rail 82 extending in opposite directions at a predetermined interval, and branched from the inflow side main free rail 81 to join the outflow side main free rail 82. The power rail has a plurality of parallel branch free rails 91 to 93, and a power rail is arranged below each of the branch free rails 91 to 93.
It is known to have a non-conveying part 102 that connects one terminal end and the other starting end of 1, and the conveying part 101 and the horizontal non-conveying part 102 extend parallel to each other within the same water surface. .

Problems to be solved by the invention In the above device, the horizontal conveyance section 10 of the power rail
1 and the horizontal non-conveying section 102 are located in the same water surface, so a large space is required to install the power rail. Moreover, since the power rail must be placed close to the free rail, the rails are crowded and the entire storage area is cluttered. To solve this problem, the distance between the rails can be increased, but this requires a large storage space, which is not preferable.

The purpose of this invention is to provide a conveyed object storage device for a double-acting floor conveyor that solves the above-mentioned problems.

Means for Solving the Problems The conveyed object storage device for a double-acting floor conveyor according to this invention has free rails extending parallel to each other in opposite directions at a predetermined interval, an inlet main free rail and an outlet main free rail. rail and
It has a plurality of parallel branch free rails branching from the inflow side main free rail and merging with the inflow side main free rail, and the power rail is horizontally arranged below each branch free rail. In a conveyed object storage device for a double-acting floor conveyor that has a conveyance section and a non-conveyance section that communicates one terminal end and the other start end of adjacent conveyance sections, the non-conveyance section is connected to the conveyance section. It has a horizontal portion extending parallel to the conveyance portion, and is characterized in that the horizontal portion is located below the conveyance portion.

Function In the conveyed object storage device for a double-acting floor conveyor according to this invention, the non-conveying section has a horizontal section extending parallel to the conveying section, and the horizontal section is positioned below the conveying section. Therefore, the only space required to install the power rail is below the free rail.

Embodiment An embodiment of this invention will be described below with reference to FIGS. 1 to 4.

The double-acting floor conveyor has a free rail 11 and a power rail 12, as shown in FIGS. 3 and 4.

First to fourth trolleys 21 to 24 are supported on the free rail 11 in order from front to rear.
The first trolley 21 and the second trolley 22 are connected by a front connecting rod 25, and the third trolley 23 and the fourth trolley 2
4 are connected by a rear connecting rod 26. A conveyed object support stand 27 is placed on the second trolley 22 and the third trolley 23 so as to straddle them. The first trolley 21 is provided with a dog 28, and the second trolley 22 and the fourth trolley 24 are provided with a dog engagement/disengagement member 29.

The power rail 12 is endless, and in the section shown in FIGS. 3 and 4, it is arranged below the free rail 11 in two stages, upper and lower, with the upper horizontal conveyance part 31 on the upper side and the lower part on the lower side. Horizontal non-conveying section 3
It has become 2. The power rail 12 supports a power trolley 34 attached at predetermined intervals to a drive chain 33 disposed along the power rail 12, and the power trolley 34 is provided with a pusher 35 that engages with the dog 28. There is.

The free rail 11 and the conveyance section 31 and non-conveyance section 32 of the power rail 12, which have three stages in total, are integrally connected by a yoke 36 at predetermined intervals. This connection work is not done at the installation site, but
This is done at the manufacturing factory, which allows the rail 11,1
2. Mutual dimensional accuracy is guaranteed, making installation work easier.

FIG. 1 shows the transported object storage zone. 1st
In the figure, the solid line indicates the free rail, and the chain line indicates the drive chain. To avoid clutter,
The power rail is not shown, but instead,
The drive chain is shown running along the power rail. Further, the arrow in the figure indicates the flow direction of the transported object.

Here, front and rear are defined as referring to FIG. 1, the upper side is the front, the opposite side is the rear, and the left and right are defined as facing forward.

Fig. 1 shows an inflow main free rail 41 that extends from the left, bends at right angles and extends downward, an outflow main free rail 42 that extends forward on the left and right sides of this, and an inflow main free rail 41. Branching from 41, the outflow side trunk free rail 42
There are first to third branch line free rails 51 to 53 that are sequentially lined up in parallel from the front to the rear where they merge. A first main sprocket 61 is arranged behind the path starting end of the inflow side main free rail 41, and a second main sprocket 62 is arranged on the left side of the path end of the outflow side main free rail 42, and the first branch free rail 51 The first
A second auxiliary sprocket 72 is located in front of the rear end of the same route, a third auxiliary sprocket 73 is located in front of the start end of the route of the second branch free rail 52, and a fourth auxiliary sprocket 74 is located in front of the rear end of the same route. are placed respectively. and. A drive chain 33 is wound around these sprockets 61, 62, 71-74. To explain how to wrap it, the chain 33 first starts from the first main sprocket 61 and passes through the inflow side trunk free rail 41, the third branch free rail 53, and the outflow side trunk free rail 42 in order. and reaches the second main sprocket 62. The chain 33 is then wound around the second main sprocket 62, reversed, and guided to the starting end of the path of the first branch free rail 51. The chain 33 that has been guided up to this point is guided along the first branch free rail 51 from its path start end to its end end,
After being wrapped around the first auxiliary sprocket 71,
It is now guided in the opposite direction along the first branch free rail 51 from the end of the route to the start. What should be noted here is that the chains 33 connected to the first branch free rail 51 are arranged below the first branch free rail 51 in two stages, upper and lower, except near both ends of the route. The non-conveyance side shown by the dashed line in the figure is below the conveyance side shown by the chain line in the figure.
The detailed structure of these two upper and lower stages is as shown in FIGS. 3 and 4. Next, the chain 33 connects to the first branch free rail 51 at the end of the route.
It is wound around the auxiliary sprocket 72, and then, like the first branch free rail 51, it is guided to the end of the route of the inflow side main free rail 41 via the second branch free rail 52 and the third branch free rail 53 in sequence, It is guided along the inflow main free rail 41 and returns to the first main sprocket 61. The chain 31 also has an upper and lower two-tier structure in the section of the inflow side trunk free rail 41.

As described above, the power rail 12 is arranged along the drive chain 33, and this is represented by the sections of the first branch free rail 51 and the second branch free rail 52. This will be explained in more detail with reference to FIG.

The power rail 12 is connected to the first branch free rail 5
The first and second horizontal conveyance sections 3 are disposed below the first and second branch free rails 52, respectively.
1, and a non-conveyance section 32 that connects the terminal end of the first conveyance section 31 and the start end of the second conveyance section 31. The non-conveyance section 32 includes a horizontal section 81 that extends below and parallel to the second conveyance section 31, and a first loop-shaped inclined section 82 that connects the end of the horizontal section 81 and the start end of the second conveyance section 31. , the starting end of the horizontal section 81 and the first conveyance section 3
A second loop-shaped inclined portion 83 connecting the ends of
It becomes more.

Effects of the invention According to this invention, the space for installing the power rail is only required below the free rail, so the space for installing the power rail is narrow, the rails are not crowded, and the The conveyed material storage zone can be made clear.

[Brief explanation of the drawing]

Figures 1 to 3 show an embodiment of this invention, with Figure 1 being a schematic plan view of the transported object storage zone, Figure 2 being an enlarged perspective view of a part of Figure 1, and Figure 3 being an enlarged perspective view of a part of Figure 1. The figure is a side view, FIG. 4 is a front view, and FIG. 5 is a plan view corresponding to FIG. 1 showing a conventional example. 11...Free rail, 12...Power rail, 31...Transportation section, 32...Non-transportation section, 41,
42... Main rail, ~53... Branch rail, 8
1...Horizontal part.

Claims (1)

[Claim for Utility Model Registration] The free rail 11 branches from the inflow side main free rail 41 and the inflow side main free rail 41 and the outflow side main free rail 42 which extend in parallel in opposite directions at a predetermined distance from each other. It has a plurality of parallel branch free rails 51 to 53 that merge into the outflow side trunk free rail 42, and the power rail 12 is arranged below each of the branch free rails 51 to 53. A conveyed object storage device for a double-acting floor conveyor, which has a horizontal conveyance section 31 and a non-conveyance section 32 that connects one terminal end and the other start end of adjacent conveyance sections 31, A double-acting floor conveyor characterized in that the conveyance section 32 has a horizontal section 81 extending parallel to the conveyance section 31, and the horizontal section 81 is positioned below the conveyance section 31. Transported object storage device.