JPH0234850B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a cargo handling device that automatically loads cargo onto trucks, containers, and the like.

2. Description of the Related Art Several cargo handling devices have been proposed that automatically load cartons and other cargo onto trucks, containers, and the like.

As such cargo handling equipment, for example,
As shown in Publication No. 53-20752, a container riser is inserted into the container from the loading deck,
There is a container riser that arranges the cargo horizontally on the sorting table, then raises the arranged cargo vertically using a roller frame and stacks it inside the container row by row. The device stacks a number of loads equal to the vertical cross-section of the container at once, vertically and horizontally, and then flips it upright, so it takes time to line up one batch of loads on the sorting table, and it takes a long time to rotate the roller frame. A holding device is required to prevent the cargo from collapsing during movement, and the container itself must be installed at an angle, making the device complex as a whole and requiring further improvements in processing efficiency. It is something.

In view of these points, the present invention has been provided with: a cart that is movable back and forth; a feed conveyor that is connected to the rear end of the cart so that it can be transported in the front and rear directions; a dividing conveyor, an alignment conveyor connected to the front of the dividing conveyor so that it can be conveyed in the left and right direction, a loading platform installed in the front of the alignment conveyor so that it can be raised and lowered, and a vertical section installed on the loading platform. between the horizontal part and the movable guide, the front of the feed conveyor and the rear of the dividing conveyor,
Provided is a cargo handling device comprising a stopper provided at least on one side between the front of the dividing conveyor and the rear of the alignment conveyor, and a pusher provided above the alignment conveyor for conveying the cargo on the alignment conveyor to a loading platform, This is intended to improve processing efficiency by reducing waiting time in the flow of cargo handling work, and to simplify the mechanism.

Embodiments of the present invention will be described below with reference to the drawings. In FIGS. 1 and 2, reference numeral 1 denotes a cargo handling device that automatically loads cargo A into a cargo box C of vehicle B. In FIG. This cargo handling device 1 basically includes a cart 2 that is movable back and forth, a feed conveyor 3 connected to the rear end of the cart 2, a divided conveyor 4 provided at the rear of the cart 2, and left and right portions of the divided conveyor 4. a positioning stopper 5 provided at the front part of the division conveyor 4, an alignment conveyor 6 provided at the front part of the division conveyor 4, a loading table 7 provided at the front part of the arrangement conveyor 6 that can be raised and lowered, and a positioning stopper 5 provided at the front part of the division conveyor 4, The first conveyor provided between the dividing conveyor 4 and the alignment conveyor 6
It is composed of a stopper 8 and a second stopper 9.

A dog repeller 10 is installed at the end of the platform D on which the cargo handling device 1 is placed, to which the cargo box C of the vehicle B is connected. 2 can be moved into the cargo box C. Furthermore, a depalletizer E that carries cargo A from the side thereof is connected to the feed conveyor 3 of the cargo handling device 1 via an attitude control device F.

The detailed structure of the cargo handling device 1 is shown in FIGS. 3 and 4. The truck 2 is provided in a portal shape, has running wheels 11 at the bottom, and is provided with drive rollers 12 for moving the truck 2 in the front and rear directions, and furthermore, guide rollers 13 are arranged front and rear on both sides.

A divided conveyor 4 provided at the rear of the above-mentioned trolley 2
is disposed continuously on the feed conveyor 3, and both the divided conveyor 4 and the feed conveyor 3 are provided so that they can be conveyed in the front and back direction, so that the conveyance speed of the divided conveyor 4 is faster than the conveyance speed of the feed conveyor 3. , and is configured to space each baggage A apart. In addition, the above-mentioned feeding conveyor 3 is a trolley 2.
While moving following the back and forth movement of the robot, it is provided in an extendable or foldable manner so that it can be carried in from the attitude control device F.

Further, an alignment conveyor 6 is provided in series in front of the division conveyor 4, and this alignment conveyor 6 is formed wider than the division conveyor 4, and is provided so as to be able to convey the baggage A in the left-right direction. Arrange baggage A in line.

On the other hand, a pair of positioning stoppers 5 provided extending in the front and back direction on the upper left and right parts of the divided conveyor 4 include a fixed positioning stopper 5a on the right side in the traveling direction and a movable positioning stopper 5b on the left side, The moving positioning stopper 5b is moved in the left-right direction perpendicular to the conveying direction of the dividing conveyor 4 by a drive means (not shown). Both positioning stoppers 5a and 5b are constructed of freely rotating conveyors, and position one side of the load A being conveyed on the divided conveyor 4 against the fixed positioning stopper 5a in the left-right direction.

A first stopper 8 that moves up and down from the conveyance surface is arranged between the division conveyor 4 and the rear feed conveyor 3, and a first stopper 8 that also moves up and down from the conveyance surface between the division conveyor 4 and the front alignment conveyor 6. A second stopper 9 is disposed to temporarily stop the loading of the baggage A into the dividing conveyor 4 and the unloading of the baggage A from the dividing conveyor 4.

Further, a guide post 14 is erected in front of the alignment conveyor 6, and this guide post 14 has wheels 15 at the bottom, and a guide bar 16 extending rearward slides on the cart 2 in the front-rear direction. It is freely guided and driven in the front and rear directions by a drive means (not shown). This guide post 14
A loading platform 7 is provided so as to be movable up and down along.

The loading table 7 is supported by a lifting table 17 attached to a guide post 14 so as to be movable left and right. It is provided so as to be operated in the left-right direction by rotational drive by the DC servo motor 20 of the Uber 19.

A guide 70 is provided in front of the loading table 7 so as to be movable forward and in the left-right direction. , the vertical portion 71 and the left end of the alignment conveyor 6 are on the same plane.

Further, a third pusher 73 is provided in the middle part of the loading platform 7 in the left-right direction, and the pusher 73 exists on the same plane as the top surface of the loading platform 7 when lying down, and when standing up, the third pusher 73 is located on the same plane as the upper surface of the loading platform 7. It is possible to move to the front and transports baggage A. A first pusher 21 is disposed above the dividing conveyor 4, and this first pusher 21 is moved in the left-right direction and front-rear direction by a drive means (not shown) to move the loads A on the dividing conveyor 4 to the alignment conveyor 6. When the baggage A is transferred from the feed conveyor 3 to the division conveyor 4, it escapes to the left.

Further, a second pusher 22 is installed above the alignment conveyor 6, and this second pusher 22
is a double loop chain 2 arranged in a rectangular shape on both sides.
3, this double lubutene 23
The cargo A on the alignment conveyor 6 is moved in parallel in the vertical and longitudinal directions by the drive of the loading table 7.
When the baggage A is transferred from the dividing conveyor 4 to the alignment conveyor 6, it escapes upward.

Furthermore, a cylinder 24 for pushing cargo is attached to the lower end of the loading table 7.

Next, the loading operation of the cargo A by the cargo handling device 1 will be explained in sequence with reference to FIGS. 5 to 16.

First, in the state shown in FIGS. 1 and 2, the cargo box C is moved backward and stopped at a predetermined position, and the dog repeller 10 is tilted so that the tip of the dog repeller 10 is aligned with the height of the bottom surface of the cargo box C. Subsequently, the cargo handling device 1 is transferred from the platform D to the dog repeller 1.
0 and move it forward into the cargo box C.

When the tip of the cargo handling device 1 detects the front wall of the cargo box C, it stops at a predetermined position according to the size of the cargo A, starts the stowing operation, and moves backward while sequentially stowing the cargo.

In the stacking process, first, as shown in FIG. 5, the load A is sent to the dividing conveyor 4 by the feed conveyor 3, and the load A is advanced onto the dividing conveyor 4 by the lowering operation of the first stopper 8. Since the transport speed of the dividing conveyor 4 is faster than that of the feed conveyor 3, the parcel A is divided. When a predetermined amount or more of the second baggage A has been transferred onto the dividing conveyor 4, as shown in FIG.
Position it by pressing it against the At this time, the second stopper 9 is raised.

When the second baggage A is all placed on the dividing conveyor 4 (see Figure 7), the first stopper 8 is raised and
At the same time as the conveyance of the first and subsequent items is stopped, the first pusher 21 protrudes to the right, while the second stopper 9 in front lowers, and the forward movement of the first pusher 21 moves the items A on the dividing conveyor 4 into the alignment conveyor. 6, and the movable positioning stopper 5b returns to its home position. At this time, when a predetermined amount of baggage A is transferred to the alignment conveyor 6, the first stopper 8 is lowered to advance the next baggage A to the dividing conveyor 4, and the dividing operation is performed in parallel (see Fig. 8). .

When the delivery of the baggage A to the alignment conveyor 6 is completed, the second stopper 9 is raised, and the alignment conveyor 6 moves the baggage A laterally (see FIG. 9).
Waiting for the next baggage A, and then proceeding in the same manner to pre-align two rows of four pieces of baggage A on the sorting conveyor 6, as shown in FIG.

The cargo A that has been pre-aligned on the alignment conveyor 6 is moved forward and sent to the loading table 7 by the second pusher 22 moving forward while descending (see FIG. 11). At that time, the third pusher 73 is laid down. When this feeding is completed, the second pusher 22 escapes upward, and at the same time, the next pre-alignment is performed on the alignment conveyor 6.

As shown in FIG. 12, the cargo A sent onto the loading table 7 moves forward and laterally on the guide 70, moves downward on the elevating table 17, and then moves in front of the third pusher 73 that is standing up. Due to movement, packing box C
The cargo is transported to the designated stowage position (port side in the figure).

Loading platform 7
After pressing with the built-in cylinder 24 and aligning the rear surfaces, the third pusher 73, guide 70, and lifting platform 17 return to their home positions.

Subsequently, as shown in FIG. 14, two rows of six pieces of baggage A, which have been pre-aligned on the left end side of the sorting conveyor 6, are sent to the loading table 7 in the same manner as described above.

At this time, the guide 70 is at the leftmost position and is flush with the left end of the alignment conveyor 6, so the left end of the baggage A is guided to the inner surface of the vertical part 71 of the guide 70 (the left end of the alignment conveyor 6 and the vertical part 71 are not necessarily They do not have to be on the same plane, and the vertical portion 71 may be on the left side of the left end of the alignment conveyor 6). Cargo A is on loading platform 7
Once placed on top, the guide 70 moves to the right and brings the cargo A to the right (toward the starboard inner wall of the cargo box C). Next, the guide 70 is moved forward in the above state, enters the space to the right of the 2 rows of 4 pieces of baggage A that have been stacked earlier, and then moved to the left so that the vertical section 71
This pushes the previously loaded baggage A to the left and rearranges it, and secures the stowage space for six pieces of baggage in two rows.Next, by moving the third pusher 73 upright forward, the baggage A is Stack (Figure 16).

When the above operations are repeated and the cargo A is stacked up to the top layer as shown in FIG. 17, the cart 2 is moved back a predetermined amount and the cargo A is stacked one by one.

Note that even if the guide 70 is made of a thin plate, the tip side is supported by the floor of the cargo box C or the cargo A loaded earlier, so it does not receive a large load, and the dead space caused by the guide 70 itself is extremely small. becomes.

Further, in the above embodiment, the first and second stoppers 8 and 9 are respectively disposed before and after the dividing conveyor 4, but if these are provided on at least one side, they can be used for positioning on the dividing conveyor 4 and horizontally on the alignment conveyor 6. Although it is possible to move,
If it is provided on both sides, the waiting time in the flow of baggage A will be reduced and processing efficiency will be improved.

Furthermore, the cylinders 24 for aligning the loads A provided on the stowage conveyor 7 may be moved at the front edge of the stowage conveyor 7 by the back and forth movement of the guide post 14. On the other hand, the first and second pushers 21, 2
2 may be configured such that the dividing conveyor 4 or the alignment conveyor 6 is provided with the conveyance function.

As explained above, according to the cargo handling device of the present invention, cargo is transported to a predetermined loading position by the back and forth movement of the cart, the vertical movement of the loading platform, and the back and forth and left and right movement of the guide. It can be loaded automatically, and the dead space of loaded cargo can be reduced.
It has advantages such as being able to increase loading efficiency.

[Brief explanation of drawings]

The drawings show one embodiment of the present invention; FIG. 1 is a schematic plan view showing the overall configuration of the cargo handling device, FIG. 2 is a schematic side view thereof, and FIG. 3 is a plan view of main parts showing the detailed structure.
Figure 4 is a side view of the main parts, Figures 5 to 16 sequentially show the loading process of the cargo handling equipment, Figures 5 to 7, Figures 9, 10, 12, figure,
Figures 15 and 16 are plan views, Figures 8 and 1.
1, 13 and 17 are side views. 1...Cargo handling device, 2...Dolly, 3...Feeding conveyor,
4...Divided conveyor, 6...Aligning conveyor, 7...Loading table, 8, 9...Stopper, 22...Pusher (second pusher), 70...Guide, 71...Vertical part, 72...
Horizontal part, A...Luggage.

Claims (1)

[Scope of Claims] 1. A cart that is movable back and forth, a feed conveyor that is connected to the rear end of the cart so that it can be conveyed in the front and back direction, and a feed conveyor that is connected to the front of the feed conveyor so that it can be conveyed in the front and back direction. A dividing conveyor whose conveyance speed is set faster than that of the feed conveyor and configured to separate each load, an alignment conveyor that is connected to the front of the dividing conveyor so that it can be conveyed in the left and right direction, and a front part of the alignment conveyor. A loading platform that can be raised and lowered, a guide that is installed on the loading platform and has a vertical section and a horizontal section that can be moved forward and to the left and right, and between the front of the feed conveyor and the rear of the dividing conveyor,
The stopper is provided at least on one side between the front of the dividing conveyor and the rear of the alignment conveyor and moves up and down from the conveyance surface, and the pusher is provided above the alignment conveyor and transports the cargo on the alignment conveyor to the loading table. Cargo handling equipment.