JPS603009Y2 - Hanging conveyance device - Google Patents

Description

[Detailed description of the invention] The present invention connects a leading trolley and a following trolley with a connecting rod, and provides a trolley guide rail for guiding these trolleys.
The present invention relates to a suspended conveyance device in which the preceding trolley is provided with a passive protrusion and an operating lever interlocked with the passive protrusion, and the following trolley is provided with an operating lever capable of pushing up the operating lever.

A conventional hanging conveyor is shown in FIG.

That is, a trolley guide rail 3 is installed below a drive device rail 2 that guides a drive device (such as a drive chain) 1, and a leading trolley 4 is guided by this trolley guide rail 3.
and the following trolley 5 are connected by a connecting rod 6.

A hanger 7 is attached to the connecting rod 6, and the object 8 to be transported is supported by the hanger 7.

In such a suspended conveyance device, the leading trolley 4- has a passive protrusion 9, and by engaging the drive protrusion 10 on the drive device 1 side with the passive protrusion 9, the leading trolley 4- can travel on a fixed path.

Furthermore, the leading trolley 01J4 has an actuating lever 11 that is linked to the driven protrusion 9, and when this actuating lever 11 climbs onto the operating lever 12 that is connected to the trailing trolley 5 in the preceding suspended conveyance device, the The protrusion 9 is lowered to the non-engaging position to enable storage.

By the way, when the transported object 8 becomes large as shown by the imaginary line, the transported objects collide with each other before the operating lever 11 acts on the operating lever 12, resulting in a dangerous situation.

In order to avoid such a situation, conventionally, multiple types of hanging conveyance devices with different lengths of connecting rods 6 are prepared, or
A plurality of types of connecting rods 6 are attached to and detached from both trolleys 4 and 5.

However, in the former case, the equipment cost is enormous, and in the latter case, not only the equipment cost but also the laborious installation and removal work is required.

Therefore, in the hanging conveyance device of the present invention, under the preconditions mentioned at the beginning, a short operating lever and a long operating lever are arranged in a row in the front and rear of the following trolley, and this succeeding trolley and a connecting rod are connected vertically. The two are connected by a shaft so that they can rotate relative to each other around a movable vertical axis, and the trolley guide rail is configured at an appropriate position as a divided rail on which only the following trolley can be transferred, and this divided rail is connected to a fixed vertical axis. The above-mentioned problems are solved by configuring the rail to be rotatable around the core, providing a rotary drive device, and further providing a vertical axis steadying device on the side of the split rail.

Hereinafter, one embodiment of the present invention will be described based on FIGS. 1 to 6.

In FIG. 1, 20 is a drive device (drive chain 7) 21
This is a drive device rail for guiding the drive device 21, and drive protrusions 22 are vertically provided at appropriate intervals from the drive device 21.

Reference numeral 23 denotes a trolley guide rail disposed below the drive device rail 20, which guides the leading trolley 24 and the trailing trolley 25.

That is, the leading trolley 24 is configured to be guided by the trolley guide rail 23 via a guide roller 26 and a lateral vibration prevention roller 27, and has an operating lever at the front thereof that can swing vertically via a horizontal shaft 28. 29, and a passive protrusion 31 connected to the rear end of the operating lever 29 via a pin 30 and movable up and down in the opposite direction to the operating lever 29.
Furthermore, a hold protrusion 32 that can swing within a certain range is provided at the rear upper part.

The passive protrusion 31 is connected to the drive protrusion 2 in the raised position.
2 can be engaged.

Further, the trailing trolley 25 is configured to be guided by the trolley guide rail 23 via a guide roller 33 and a lateral vibration prevention roller 34, and a short operating lever 35 capable of pushing up the operating lever 29 is provided at the rear of the trailing trolley 25. At the same time, a long operating lever 37 is provided at the front via a link 36.

The preceding trolley 24 and the following trolley 25 are connected via a connecting rod 38.

That is, from both trolleys 24 and 25, horizontal pins 39.4 are respectively attached.
0, vertical shafts 41, 42 which can swing back and forth are attached to these shafts 41, 42 through bearing members 43, 44, and the connecting rod 38 is attached so as to be relatively rotatable.

Here, the movable vertical axis 45 is connected to the connecting rod 38 to the following trolley 25.
On the other hand, the distance to the tip of the long operating lever 37 is made larger than the distance l to the tip of the short operating lever 35.

46 indicates a hanger attached to the connecting rod 38.

In the state shown by the solid line in FIG. 1, the driving protrusion 22 is engaged with the passive protrusion 31, so that the suspended conveyance device travels on a fixed path.

When the preceding hanging conveying device shown by the solid line is stopped for some reason and the following hanging conveying device shown by the imaginary line approaches, the operating lever 29 on the succeeding side is activated by the short operation lever 35. The driven protrusion 31 is pushed up, and the driven protrusion 31 is thereby lowered and removed from the driving protrusion 22.

This results in the storage state shown by the imaginary line in FIG.

At this time, it is the short operating lever 35 that acts on the subsequent operating lever 29, and this is preferably carried out in the case of small objects to be transported.

When handling large objects, the following trolley 25 is rotated 180 degrees around the movable vertical axis 45, and the elongated operating lever 37 is positioned rearward via the link 36, as shown in FIG. .

As a result, even though large objects are suspended and transported, they can be stored without colliding with each other.

Next, a device for rotating the trailing trolley 25 is shown in FIG.
This will be explained based on FIG.

The proper position of the trolley guide rail 23, that is, the part where the drive device rail 20 escapes to the side, is connected to the succeeding trolley 2.
It is constructed with a split rail 47 that allows only 5 to be transferred.

The divided rail 47 is configured to be rotatable around a fixed vertical axis 48.

That is, a machine frame 49 is provided on the upper surface side of the drive rail 20, and a vertical shaft 51 is rotatably provided on a bearing 50 attached to this machine frame 49.

The divided rail 47 is attached to the lower end of this vertical shaft 51 via a bracket 52, so that the divided rail 47
7 is capable of forward and reverse rotation around a fixed vertical axis 48 which is the axis of the vertical shaft 51.

Reference numeral 53 denotes a rotary drive device for rotating the vertical shaft 51 in forward and reverse directions, and has a pinion 54 attached to the upper end of the vertical shaft 51 and a rack 55 that constantly engages the pinion 54 on the side. A horizontal shaft 57 supported so as to be movable in a longitudinal direction via a bearing 56, a cylinder 58 arranged in parallel with this horizontal shaft 57, and a connecting member 60 that interlocks the piston rod 59 and the horizontal shaft 57. a limit switch 61 for detecting the completion of forward rotation, which detects the maximum extension position of the piston rod 59 and stops the cylinder 58;
limit switch 62 for detecting the completion of reverse rotation, which detects the maximum contraction position of cylinder 58 and stops the cylinder 58. Both limit switches 61 and 62 are slidably and fixably mounted on rail 63, and the detection position is It is possible to change.

A stopper device (not shown) is provided between opposing ends of the trolley guide rail 23 and the divided rail 74.

A vertical shaft rest device 64 is provided on the side of the divided rail 47.

This vertical shaft steady rest device 64 is mounted on a base plate 65 that is integrated with the machine frame 49, and is attached to the trolley guide rail 23.
a pair of vertical pins 66A, 66B in the length direction, gears 67A, 67B fixed to these vertical pins 66A, 66B and meshing with each other, and a clamping arm 68A whose base end is fixed to the vertical pins 66A, 66B. , 68B, and a clamping portion 69At69 formed at the tips of these clamping arms 68A and 68B.
B, an operating rod 70 connected from one clamping arm 68A, an opening detection limit switch 71 and a closing detection limit switch 72 operated by the operating rod 70,
It consists of a cylinder 74 whose piston rod 73 is interlocked with the other clamping arm 68B.

Stopper plates 75A and 75B are provided for stopping the preceding trolley 24 in a state where it is distributed to the front and rear of the divided rail 47.

That is, the holding frame 76 from the trolley guide rail 23
A, cylinder in 76B? 7A, 77B are provided, and the stopper plate 75A is provided on the piston door 8A, 78B.
, 75B is the installation.

Next, the rotation work of the following trolley 25 will be explained.

The divided rail 47 before the trolley enters is connected to the trolley guide rail 23, and the clamping arms 68A, 68B
is opening and moving as shown in the imaginary line in FIG.

Furthermore, one stopper plate 75A protrudes.

The leading trolley 24 that has been traveling in this state comes off the drive projection 22 because its passive projection 31 is pushed down by the stopper plate 75A, and is stopped because the hold projection 32 comes into contact with the stopper plate 75A.

In this stopped state, as shown in FIG.
5.48 is on the same line.

In this state, the vertical shaft resting device 64 is operated, and both the clamping arms 68A and 68B are moved to close as shown by the solid line in FIG. 6, thereby releasing the clamping portion 69A.

The vertical shaft 42 is clamped by 69B.

After that, the rotation drive device 53 is activated.

That is, the operation of the cylinder 58 is transmitted to the horizontal shaft 57 via the piston rod 59 and the connecting member 60, and this horizontal shaft 5
Push and pull 7.

Then, the vertical shaft 51 is rotated via the pinion 54 that engages with the rack 55, so that the divided rail 47 is rotated to the fixed vertical shaft center 4.
Rotate 180 degrees around 8.

Then, the succeeding trolley 25 supported by the divided rail 47 also rotates 180 degrees around the movable vertical axis 45, and the direction of the succeeding trolley 25 changes as shown in FIGS. 1 and 2.

Thereafter, by retracting one stopper plate 75A with the gripping arms 68A and 68B open, the vehicle travels along a fixed route after changing direction.

Note that the preceding trolley 24 that came later during the direction change,
As shown in FIG. 3, it is stopped by the other stopper plate 75B.

According to the present invention having the above configuration, by rotating the trailing trolley and using the short operation lever and the long operation lever, the suspended conveyance device can be changed according to the size of the object to be conveyed. This allows equipment costs to be lower than conventional methods.

In addition, changing the direction of the following trolley can be achieved with a simple configuration and operation by using a split rail at the appropriate location on the trolley guide rail and installing a rotation drive device to rotate this split rail. It can be performed stably without shaking due to the action of the device.

[Brief explanation of the drawing]

1 to 6 show one embodiment of the present invention, in which FIG. 1 is a side view, FIG. 2 is a side view of the main part, FIG. 3 is a partially cutaway side view of the direction changing part, The figure is the same plan view, Figure 5 is the same front view,
FIG. 6 is a plan view of the vertical shaft steady rest device, and FIG. 7 is a schematic side view showing a conventional example. 20...Rail for drive device, 21...Drive device, 2
2... Drive protrusion, 23... Trolley guide rail, 2
4... Leading trolley, 25... Following trolley, 29...
- Actuation lever, 31... Passive projection, 35... Short operating lever, 36... Link, 37... Long operating lever, 38... Connecting rod, 11.42... Vertical shaft, 43.
44...Bearing member, 45...Movable vertical shaft core, 46...
- Hanger, 47... Divided rail, 48... Fixed vertical shaft core, 51... Vertical axis, 53... Rotation drive device, 54...
・Zenion, 55...Rack, 57...Horizontal axis, 64
... Vertical shaft steady rest device, 68A, 68B... Clamping arm, 69A, 69B... Clamping part, 75A. 75B...stopper plate.

Claims (1)

[Scope of utility model registration request] A leading trolley and a trailing trolley are connected by a connecting rod, a trolley guide rail is provided for guiding these trolleys, a driven protrusion and an actuating lever interlocked with the driven protrusion are provided on the leading trolley, and the trailing trolley is provided with a driven protrusion and an actuating lever that is interlocked with the driven protrusion; , in a suspension conveyance device provided with an operating lever capable of pushing up an operating lever, a short operating lever and a long operating lever are connected to the succeeding trolley in a manner distributed in the front and rear, and the succeeding trolley and a connecting rod are connected to the following trolley. The trolley guide rail is connected at a vertical axis so that the two can rotate relative to each other around the movable vertical axis, and the trolley guide rail is positioned at an appropriate position.
A split rail is configured on which only the following trolley can be transferred, the split rail is configured to be rotatable around a fixed vertical axis, and a rotation drive device is provided, and a vertical axis steadying device is further provided on the side of the split rail. A hanging conveyance device characterized by: