JPS6124506Y2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a pallet loading device.

Conventional pallet loading equipment carries a predetermined number of items for one stage onto an alignment table, arranges them, transfers this one level of items onto a moving table, and places the moving table above the pallet. After moving, one level of items on the moving table is stopped by a stopper, and then the moving table is moved backward to drop one level of items onto a pallet, thereby transferring the items.

However, in this case, a large load is applied to the moving platform and its support, and in order to load items in multiple stages, a mechanism is required to raise and lower the moving platform and its supporting section, or the pallet, which is subject to a large load. Furthermore, a space is required for the movable table to retreat, resulting in a large-scale apparatus as a whole.

The present invention has been devised in view of these points, and provides a simple pallet loading device.

Next, one embodiment of the present invention will be described based on the drawings.

In Figures 1 to 3, reference numeral 1 denotes a base, and a fixed support 2 is vertically erected at the center of the rear end of the base 1 (center of the upper end in Figure 1). A pair of guide rails 3 are vertically provided on each surface.

A horizontal elevating body 4 that is long in both directions (left-right direction in FIG. 1) is disposed at the front part (lower part in FIG. 1) of the fixed column 2. As shown in FIGS. 4 and 5, this elevating body 4 is moved through a pair of support members 5 on both sides and a plurality of rollers 6 pivotally attached to each support member 5 to guide each of the fixed columns 2. It is engaged with the rail 3 and moves up and down along the fixed support 2.

That is, a sprocket 7 is mounted on the upper end of the fixed column 2, one end of a chain 8 wound around the sprocket 7 is attached to the center of the elevating body 4, and the other end of the chain 8 is attached to the center of the elevating body 4. The balance weight 9 is located within the fixed column 2.
The sprocket 7 is attached to the reducer 10.
It is connected to the lifting motor 11 via.

Further, guide rails 12 are provided on the upper and lower surfaces of the elevating body 4.

A transverse body 15 is disposed in front of the elevating body 4. As shown in FIGS. 4 and 5, this transverse body 15 is engaged with each guide rail 12 of the elevating body 4 through a plurality of rollers 16, and moves horizontally along the elevating body 4. I'm starting to do that.

That is, a rack 17 is provided on the front surface of the elevating body 4 along the length of the elevating body 4, and a pinion 18 for the rack 17 is connected to the traversing motor 19 on the traversing body 15.

Furthermore, groove-shaped guides 21 having locking portions 20 at the lower ends are provided at both front portions of the transverse body 15, as shown in FIG.

A holder 25 is provided at the front of the transverse body 15. As shown in FIGS. 4 and 5, this holder 25 includes a frame 26 and first and second arms 2 provided on the frame 26.
7 and 28.

The frame 26 is fitted into the guide 21 of the transverse body 15 shown in FIG. 20, and is supported so as to be movable upward.

Further, as shown in FIG. 7, the frame 26 has a horizontal support plate 30 provided at the rear thereof, and a pair of support plates erected at the front part of the transverse body 15 via a horizontal plate member 31. By slidably fitting into the rod 32, and inserting compression springs 33 into this support rod 32, and sandwiching each compression spring 33 between the support plate 30 and the plate member 31,
It is resiliently provided on the transverse body 15 in a state where it is biased upward.

The first arm 27 is formed into a substantially L-shape, and is fitted into U-shaped guides 34 provided at the front portions of both sides of the frame 26 so as to be movable in the front and rear horizontal direction. The arm 28 is fixed to a shaft 35 horizontally suspended at the rear lower part of the frame 26 so as to be rotatable in the vertical direction.
Plate-shaped clamping bodies 36 are provided at the distal ends of the cylindrical members 28 so as to face each other.

An air cylinder 37 is pivotally supported on the upper part of the frame 26, and a drive arm 38 is pivotally attached to the tip of the piston rod of the air cylinder 37. As shown in FIG. An annular body 39 having a circular hole is attached, and a shaft 41 attached to the proximal end of the first arm 27 via a support member 40 is inserted into the hole of the annular body 39 via a roller 42. In addition, the tip of the drive arm 38 is fixed to the shaft 35 to which the second arm 28 is fixed, so that when the air cylinder 37 is actuated to advance the piston rod, the drive arm 38 is attached to the shaft 35. 5, the first arm 27 moves to the right along the guide 34, and the second arm 28 rotates clockwise about the shaft 35. , each clamping body 36 is closed, and
When the air cylinder 37 is reset to move the piston rod backward, the drive arm 38 rotates counterclockwise in FIG. 5 about the shaft 35, moves to the left along the first guide 34, and The two arms 28 are rotated counterclockwise about the shaft 35, and each clamping body 36 is opened.

Note that, as shown in FIGS. 4 and 5, the first arm 27 is composed of a plurality of plate members 45 and 46, and these plate members 45 and 46 are provided on each plate member 45 and Since they are connected with screws 48 through a plurality of elongated holes 47, the length can be adjusted, and each clamping body 3
The dimensions between 6 can be adjusted.

Further, a carry-in conveyor 50 is installed at the front part of one side of the base 1 (lower left side in FIG. 1) of the elevating body 4.
It is arranged in a direction that intersects with one end of the. This carry-in conveyor 50 has a large number of rolls 52 arranged in parallel on a shaft between side frames 51 on both sides.
2 is driven by a motor (not shown), and is provided with an aligning device 53 at its distal end and a direction changing device 54 at its proximal end.

The alignment device 53 includes a front stopper 5 installed between the side frames 51 on both sides of the carry-in conveyor 50.
5 and the right side frame 5 in Figures 1 and 2.
1, and a pusher 57 provided on the left side frame 51 opposite to the side stopper 56.
7 is adapted to move forward and backward toward the side stopper 56 by an air cylinder (not shown) provided within the cylinder cover 58.

The direction changing device 54 is connected to the right side frame 51.
The turn stopper 59 is rotated by a drive device (not shown) so that its tip moves forward and backward onto the carry-in conveyor 50, and the turn pusher 60 is connected to the air cylinder 6.
1 to move forward and backward onto the carry-in conveyor 50.

Then, on the carry-in conveyor 50, the box-shaped items B are arranged one row at a time in a predetermined stacking pattern.

That is, when one row of the stacking pattern has two items in the length direction, the direction changing device 54 does not operate, and the two items B are supplied at intervals along the length direction. passes through the alignment device 5.
3 is stopped by the front stopper 55, and then,
The pusher 57 moves forward to bring the two items B into contact with the side stoppers 56, and
When one row of the stacking pattern has three pieces in the width direction, the turn stopper 59 of the direction changing device 54
rotates clockwise in FIG. 1, and its leading end advances to the right side of the carry-in conveyor 50, and the three articles B that are fed along the length direction at intervals are each moved to a turn stopper 59. When the turn pusher 61 comes into contact with the front end of the alignment device 53, the rear part of the item B is pushed and the item B rotates approximately 90 degrees, and in this state, it is transported forward to the front stopper of the aligning device 53. 55, and then the pusher 57 advances to bring the three items B into contact with the side stops 56.

In addition, two or three 1
When a row's worth of item B is supplied, the subsequent item B is automatically supplied, and when this one row's worth of item B runs out, item B is supplied again. There is.

In addition, an unloading section 65 is provided at the front part of the other side on the base 1.
is provided at the other end of the elevating body 4, and a pallet P is placed on this unloading section 65.

Next, the operation will be explained.

The articles B are supplied to the carry-in conveyor 50, and two or three articles B for one row are arranged.

Then, by driving the lifting motor 11, the lifting body 4 is fixed to the fixed column 2 by the sprocket and chain 8.
, and lower each clamping body 36 to a predetermined position.
After positioning one or three items B on the front and rear sides, actuate the air cylinder 37 to advance the piston rod, close each clamping body 36, and place two or three items B on the front and rear sides.
Item B is held from the front and back sides.

Next, the lifting motor 11 is driven to move the lifting body 4.
The traversing motor 19 is driven to move the traversing body 15 along the elevating body 4 to the right in FIG. above the predetermined stowage position.

Next, the lifting motor 11 is driven to move the lifting body 4.
is lowered, the item B is placed on the pallet P, the air cylinder 37 is operated to move the piston rod backward, and each clamping body 36 is opened to release the item B.

Note that when placing the item B on the pallet P, the frame 26 of the holding body 25 is supported so as to be movable upward relative to the traveling body 15, and the frame 26 of the holding body 25 is urged upward. Therefore, loads such as the elevating body 4 and the traveling body 15 are not applied between the item B and the pallet P, and the load on the holding body 25 is also reduced by the spring 33, so the item B is not damaged. It's becoming like that.

Next, the lifting motor 11 is driven to move the lifting body 4.
The traversing body 1 is raised by driving the traversing motor 19.
5 to the left in FIG. 1, the holder 25 is positioned above the carry-in conveyor 50, and the above operation is performed again.

Then, such operations are repeated to stack the articles B on the pallet P in a predetermined stacking pattern and in a predetermined number of stages.

Note that in this embodiment, the elevating body 4 is supported at its central portion by the fixed column 2 so as to be movable up and down; however, the present invention is not limited to this. Also,
A pallet conveyor may be provided in the unloading section 65.

As mentioned above, according to the present invention, since the holder is movable in the vertical and horizontal directions, it is possible to stack items on the pallet in each row of the stacking pattern, and compared to the conventional method, , there is no need for a sorting table for arranging the items in one tier, a moving table for supporting and moving the items for one tier, and,
There is no need for a mechanism to raise and lower pallets loaded with goods. Therefore, the device can be made compact and can be easily installed in existing factory warehouses.
Furthermore, installation is easy because the device is supported by fixed columns. And each clamping body of the holding body is 1
Since the two cylinders are driven in conjunction with each other via the drive arm, the article can be held in a securely positioned state, and the weight of the holder can be reduced.

[Brief explanation of the drawing]

The figures show an embodiment of the present invention, in which Fig. 1 is a plan view of the pallet loading device, Fig. 2 is a front view thereof, Fig. 3 is a side view thereof, and Fig. 4 is a holder and a traversing body. 5 is a side view thereof, and FIGS. 6 to 8 are longitudinal sectional views of the main parts thereof, respectively. 2...Fixed support column, 4...Elevating body, 15...Transverse body, 25...Holding body, 26...Frame, 27
...First arm, 28 ...Second arm, 36
...Pinch body, 37...Cylinder, 38...Driving arm, B...Item, P...Pallet.

Claims (1)

[Claims for Utility Model Registration] A fixed column, a horizontally long elevating body that ascends and descends along the fixed column, a transverse body that moves horizontally along this elevating body, and a device attached to the transverse body. The holding body includes a frame attached to the transverse body, a first arm provided on the frame so as to be movable in the horizontal direction, and a first arm provided on the frame so as to be rotatable in the vertical direction. 2 arms, a clamping body attached to the distal end of each arm so as to face each other, a cylinder provided on the frame, and a cylinder connected to the base end of each of the arms so that each of the above can be operated by the operation of the cylinder. A pallet loading device characterized by comprising a drive arm that drives the arm to advance and retreat each clamping body to the side of the article.