JPH0781760A - Loading device for article - Google Patents

Abstract

PURPOSE:To perform continuous loading of arbitrary kinds of articles, having different heights, in an arbitrary position. CONSTITUTION:A loading device for an article comprises article arrangement conveyors 1001 disposed in a plural of trains; an article taking-out device 1003 to take out well-arranged articles by the article arrangement conveyors 1001; an article feed conveyor 2002 to feed the taken-out articles on a container P or precedingly fed articles; and an elevating device 2003 to elevate the article feed conveyor 2002. The article taking-out device 1003 is disposed to the tip part of the article arrangement conveyor 1001 and articles in a plurality of trains are loaded in the container P.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an article stacking apparatus for loading articles in a plurality of rows into a container, and more particularly to an article loader and an article unloading apparatus arranged in a plurality of rows. The present invention relates to an article stacking device.

[0002]

2. Description of the Related Art As a conventional technique relating to an article stacking apparatus, one disclosed in Japanese Patent Publication No. 5-41532 is known.

The conventional technique described in the above publication will be described. In Japanese Patent Publication No. 5-41532, an object such as a box is held by a locking member and an abutting member.
There is described a demolition or stacking device for objects that can be placed on a cradle by moving means.

[0004]

However, the above-mentioned conventional techniques have the following problems.

That is, since the object demolition or stacking device disclosed in Japanese Patent Publication No. 5-41532 handles objects (articles) in units of rows, a plurality of types of objects having different heights are provided. It is not possible to stack any kind of product at any position, such as that the above item cannot be stacked. Further, since the gripping means for gripping a plurality of articles is reciprocally moved in the horizontal direction by the transverse moving body, the articles cannot be continuously stacked.

Therefore, an object of the present invention is to provide articles of different kinds such as different heights by providing article arranging conveyors, article take-out devices and article supply conveyors arranged in a plurality of rows. An object of the present invention is to provide an article stacking device capable of continuously stacking articles at positions.

[0007]

SUMMARY OF THE INVENTION The present invention relates to an article stacking device for stacking articles in a plurality of rows into a container,
Article arranging conveyors arranged in a plurality of rows, an article take-out device for taking out the articles arranged on the article arranging conveyor, and the taken-out articles are supplied onto a container or an article previously supplied. An article stacking apparatus comprising: an article supply conveyor; and an elevating device for elevating the article supply conveyor, wherein the article take-out device is provided at a tip portion of the article arranging conveyor. By doing so, the above object is achieved.

It is preferable that the container is a bed of a vehicle.

[0009]

The article stacking apparatus of the present invention includes article arranging conveyors, article unloading apparatuses, and article supply conveyors arranged in a plurality of rows, so that articles of different types such as different heights can be stored. It can be continuously stacked at any position.

[0010]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The article stacking apparatus of the present invention will be described below together with an example of article load-aligning equipment suitable for its implementation.

FIG. 1 is a perspective view partially showing an embodiment of an article arranging facility, FIG. 2 is an elevational view of an essential part showing an example of an article arranging facility, and FIG. 1 is an enlarged side view showing the downstream end of the gravity roller conveyor (tributary line) shown in FIG. 1, FIG. 4 is a plan view of FIG. 3, and FIG. 5 is an embodiment of an article stacking apparatus according to the present invention. FIG. 6 is a side view partially showing one embodiment of the article stacking apparatus of the present invention, and FIG. 7 is a perspective view partially showing one embodiment of the article stacking apparatus of the present invention. In these drawings, (1) is a gravity roller conveyor as a tributary line for accommodating articles (G) by type (product type), and the front end side is slanted low along the conveyor line (2) as a main line. A plurality of rows (5 rows) are arranged in the vertical direction, and a plurality of rows (2 rows) are arranged in the vertical direction. Flow shelf having a frontage of multiple columns plurality of stages by Rabbi tee roller conveyor (1) (F) is formed. Further, the transport conveyor (2) is a drive roller conveyor arranged in stages along the above-mentioned frontage, and is provided in two stages in the vertical direction. An article take-out device (3) is provided at the downstream end of each gravity roller conveyor (1). Further, (4) is an up-and-down conveying device which is arranged at a downstream portion of the two-stage conveying conveyor (2) and conveys the article (G) in a vertical direction at a constant pitch. An article transport tool (41) having a portion (411) and an endless rotating body (42) are provided, and the article transport tool (41) is continuously rotated by the endless rotating body (42). Further, (1001) is a gravity roller conveyor in which the tip side for accommodating the articles (G) that have been sorted is slanted low, which is the article sorting conveyor of the present invention. (5 rows) are arranged. Further, at the tip portion (downstream end portion) of each gravity roller conveyor (1001), an article take-out device (100) for taking out articles (G) loaded on the gravity roller conveyor (1001).
3) is provided. Further, (2000) is an article stacking device for stacking articles (G) loaded on the article sorting conveyor (1001) on a pallet (P) as a container of the present invention, and a pallet transport conveyor (2001).
A plurality of rows of article supply conveyors (2002) for supplying the articles (G) onto the pallet (P) or the articles (G) supplied in advance, and an elevating device for elevating the article supply conveyor (2002) ( 2003). Also,
(1005) stores the article (G) taken out by the article take-out device (1003) in the article supply conveyor (200
2) is a telescopic swing conveyor, one end of which is a rail frame (10) of the article removing device (1003).
34) is rotatably attached to the downstream end, and the other end is rotatably attached to the upstream end of the article supply conveyor (2002). Thus, the articles (G) stored in the article storage units (1) arranged in a plurality of rows and a plurality of stages are taken out, and the retrieved articles (G) are arranged in a plurality of rows in an article sorting conveyor ( 1001), and then the articles (G) that have been sorted are taken out and the subsequent articles (G) are sorted on the article supply conveyor (2002) at intervals according to the height of the preceding articles (G). Then, the article supply conveyor (2002) is moved up and down (2003) on the article (G) previously loaded with the articles (G) of a plurality of types arranged in a plurality of rows.
Column-shaped (vertical direction) for each row while moving upward by
It is designed to be packed in.

Explaining each part in the above embodiment, the gravity roller conveyor (1) comprises a pair of rail frames (12) provided with a plurality of rollers (11) arranged in an inclined manner. 1) The article (G) supplied onto the roller (11) is self-propelled and stored by the weight of the roller (11), and is then taken out by the article take-out device (3) to the conveyor (2).
In addition, (1a), (1b), (1c), (1d), (1
e) is a gravity roller conveyor arranged on the lower side,
(1f), (1g), (1h), (1i), and (1j) are gravity roller conveyors arranged on the upper side.

Further, the conveyer conveyor (2) is arranged so as to connect the article take-out device (3) provided at the downstream end of the side by side gravity conveyors (1), and the conveyer speed is 25 m / min. (416.7 mm / sec) drive roller conveyor, which is provided with a plurality of stages (two stages) in the vertical direction so as to be substantially orthogonal to the gravity roller conveyor (1),
A rubber band (not shown) stretched in a figure 8 between the roller (21) and the line shaft (22) (not shown) is configured to transmit the rotation of the line shaft (22) to the roller (21). ing. Further, the line shafts (22) of the respective conveyors (2) are connected to each other by a chain and are driven by the same motor. A pulse encoder (not shown) is attached to any of the line shafts (22).

The article take-out device (3) has a shaft (3
3), a pair of rail frames (32) provided with a plurality of rollers (31) that are vertically swung by an air cylinder (35) and a lever (36) with fulcrums as fulcrums.
And an air cylinder (35) provided with a stopper (37) for locking the article (G) that is self-propelled in the inclination direction.
Is at the lower end, the inclination of the rail frame (32) substantially matches the inclination of the rail frame (12), and the upper end of the stopper (37) projects from the upper surface of the roller (31). ing. Then, when an article take-out command is issued, the upper end of the stopper (37) is moved to the roller (31) by operating the air cylinder (35).
And the inclination of the rail frame (32) is made larger than the inclination of the rail frame (12), and the article (G) at the tip locked by the stopper (37) is taken out. At that time, since the rear end of the rail frame (32) is higher than the roller (11) surface of the rail frame (12), the succeeding article (G) is locked at the rear end of the rail frame (32), Only one article (G) stored on the gravity roller conveyor (1) can be taken out to the transfer conveyor (2), and the taken-out article (G) is transferred to the transfer conveyor (2) by the wheel rail (38). Joined.

The vertical transfer device (4) arranged downstream of the two-stage transfer conveyor (2) has a skewered (fork) -shaped article placing section (411) and a guide roller (412). The article carrier (41), the endless chain (rotating body) (42) stretched in a substantially rectangular shape by the four sprocket wheels (43), and the endless chain (42) are arranged along the rotation path of the chain. A first guide frame (44),
A second guide frame (4) that is substantially the same in shape as the rotation locus of the endless chain (42) and is arranged vertically and horizontally.
5) and an auxiliary guide frame (46) for keeping the article carrier (41) in a constant posture, and the like, and four article carrieres (41) (only two are shown in FIG. 2).
Is fixed to an endless chain (42) with a speed of 30 m / min (1
830 mm) rotatably attached, and the article transport tool (41) kept in a constant posture (substantially horizontal) by the first guide frame (44), the second guide frame (45), and the auxiliary guide frame (46). ) Is continuously rotated in the vertical direction.

Further, (5) is a transfer conveyor arranged at the downstream end of the upper transfer conveyor (2) for transferring the article (G) to the vertical transfer device (4). A movable skewer conveyor (52) configured in a fork shape and a movable skewer conveyor (52) configured in a fork shape with six endless chains and a slide air cylinder (not shown). The six endless chains of the shape conveyor (52) are fixed by the air cylinders for sliding to the gaps of the seven endless chains of the skewer-shaped conveyor (51) or the seven skewers (forks) of the article placing part (411). It is adapted to move along the conveyance direction of the article (G), and the moving skew conveyor (52) and the article placement section (4).
11) and can be crossed. A stopper (521) is provided at the tip of the moving skew conveyor (52).

Further, (6) is a transfer conveyor arranged at the downstream end of the lower transfer conveyor (2) for transferring the article (G) to the vertical transfer device (4). It consists of a fixed skewer conveyor (61) configured as a fork, and the six endless chains of the fixed skewer conveyor (61) are placed in the gaps of the seven skewers (forks) of the article placing part (411). A fixed skewered conveyor (6
1) and the article placing portion (411) are configured to be crossable with each other. A stopper (611) is provided at the tip of the fixed skewered conveyor (61).

Further, (7) is a take-out conveyer for taking out the article (G) from the vertical conveying device (4), and a fixed skewer-like conveyer (71) constituted by six endless chains in a fork shape and the same. It consists of a drive roller conveyor (72) arranged downstream, and 6 of fixed skewer conveyor (71).
An endless chain of books is arranged in the gap between the seven skewers (forks) of the article placing section (411), and the fixed skewer conveyor (71) and the article placing section (411) are crossable with each other. ing.

Further, a confluence control device (not shown) is provided, and a virtual space (β) having a constant length (pitch) is set on the conveyor (2), and the set virtual space (β) is the virtual space. When reaching a position facing the gravity roller conveyor (1) accommodating the articles (G) to be joined in the space (β), the articles (G) to be joined are taken out by the article take-out device (3). Is controlled.

Next, a method of taking out the articles (G) stored in the gravity roller conveyor (1) of the article arranging facility and arranging the articles on the take-out conveyor (7) will be described.

(1a), (1b), (1c), (1
d) and (1e) are gravity roller conveyors arranged on the lower side, (1f), (1g), (1h), (1i),
(1j) is a gravity roller conveyor arranged on the upper stage side, and the arrangement of the five rows of gravity roller conveyors (1) arranged in parallel along each of the lower and upper conveyer conveyors (2). If the installation interval is 700 mm,
Distance from the downstream end to the fifth uppermost gravity roller conveyor (1e), (1j), that is, the offset value (α)
Is a gravity roller conveyor (1e), (1j) adjacent to the gravity roller conveyor (1d), (1i) 700mm, gravity roller conveyor (1d), (1
a gravity roller conveyor (1c) adjacent to i),
(1h) is 1400 mm, gravity roller conveyor (1c), gravity roller conveyor (1b) adjacent to (1h), (1g) is 2100 mm, gravity roller conveyor (1b), gravity roller conveyor (1a) adjacent to (1g) ), (1f) is 2800 mm.

Further, in the gravity roller conveyor (1), articles (G) of various sizes having a length dimension, that is, a dimension in the direction of the conveyer conveyor (2) of up to 600 mm, are transferred to the gravity roller conveyor (1a), for example. Is an article (Ga)
However, on the gravity roller conveyor (1b), the goods (G
b) is the same as the gravity roller conveyor (1j)
A plurality of articles (Gj) are housed in each of them (the article (G) is shown in the same size in FIG. 8).

Then, for example, ten articles (G) are transferred to the take-out conveyor (7) in the following order, that is, the articles (G).
a), (Gg), (Gj), (Gj), (Gd), (G
i), (Gi), (Gh), (Gj), and (Gd), when there is a load alignment command so that the articles (G) conveyed on the respective conveyors (2) are vertically conveyed. Gravity roller conveyor (1) for each conveyor (2) according to the timing (position) of joining (4)
The phase difference (γ) at the timing of merging the articles (G) from [the lower transfer conveyor (2) as a reference, the phase difference (γ) of the upper transfer conveyor (2) is referred to as “delivery conveyor (5)” And the interval between the transfer conveyor (6) in the step direction (700
mm) ÷ speed of endless chain (42) (30 m / min) =
1.4 seconds "] and set the articles (G) from the gravity roller conveyor (1) to the respective conveyors (2).
Add the phase difference (γ) to the timing of merging [the product (G) is merged with the conveyor conveyor (2) on the lower side by 0 seconds and the article (G) is merged with the conveyor conveyor (2) on the upper side. The addition of 1.4 seconds to the timing to perform], and the articles (G) from the gravity roller conveyor (1) to each of the conveyors (2) at a constant pitch [article conveyor (4
Mounting interval (183) of endless chain (42) of 1)
0mm) ÷ speed of endless chain (42) (30m / min)
= 3.66 seconds], and calculation and control are performed so that the articles (G) merged on the respective conveyors (2) are merged on the upper and lower conveyors (4) to obtain the desired articles (G). ) Are merged in the desired order.

That is, the article (Ga) that is first taken out by the take-out conveyor (7) is taken out from the gravity roller conveyor (1a), but the gravity roller conveyor (1a) has its offset value (α) at the most downstream side of 2800 mm. Since it is located, the article (Ga) is taken out with a delay of the offset value (α) from the start of the packing. That is, 2800 (mm) /416.7 (m
(m / sec) = 6.72 seconds later, an article take-out command is provided at the downstream end of the gravity roller conveyor (1a) so that the article (Ga) is taken out from the gravity roller conveyor (1a) to the lower conveyer conveyor (2). It is given to the removed article removing device (3). Since the phase difference (γ) of the lower conveyer (2) is 0 second, it is not necessary to add the phase difference (γ) to the above time.

The article (Gg) taken out by the take-out conveyor (7) next to the article (Ga) is a gravity roller conveyor (1g) arranged along the upper conveyor conveyor (2) different from the article (Ga). Since it is housed in the transport conveyor (2), the phase difference (γ) of 1.4 seconds is added to join the transport conveyor (2) and the transport conveyor (2) has a fixed length [transport pitch of the article transport tool (41). (3.66 seconds) x transport speed of the transport conveyor (2) (25 m / min) = 1525
mm] virtual space (β) is continuously set according to the merging order of the articles (G), and when a predetermined virtual space (β) reaches a position facing the article (G) to be joined, the article ( An article take-out command is issued to the article take-out device (3) provided at the downstream end of the gravity roller conveyor (1) so as to take out the article (G) to the conveyor (2), and the article (G) is taken at a constant pitch (3). .66 seconds, or 1525 mm
Since they are merged at an interval), they are transferred to the transfer conveyor (2) excluding the offset value (α) and the phase difference (γ) of the article (Ga) first transferred to the vertical transfer device (4). Of the phase difference (γ) of 1.
4 seconds and a virtual space (β
Time required for a) to move, that is, 1525 (mm)
/416.7 (mm / sec) = 3.66 sec.
After 06 seconds, the offset value (α) of the gravity roller conveyor (1 g) is 2100 mm, that is, 2100 (mm).
/416.7 (mm / sec) = 5.04 sec.
After 1 second, the article take-out command is issued so that the article (Gg) is taken out from the gravity roller conveyor (1g) to the virtual space (βg) set in the upper conveyor conveyor (2) and the downstream end portion of the gravity roller conveyor (1g). Is provided to the article take-out device (3) provided in the.

The article (Gj) taken out to the take-out conveyor (7) next to the article (Gg) is stored in the gravity roller conveyor (1) in the same stage as the article (Gg), and thus the gravity in the same stage is taken. When the articles (G) stored in the roller conveyor (1) are continuously taken out by the conveyor (2) and merged, the articles (Gg) transferred first to the vertical conveyor (4) are The time taken for the virtual space (βg) set on the transport conveyor (2) to move after the extraction time to the transport conveyor (2) excluding the offset value (α), that is, 3.06. After 8.72 seconds after adding 66 seconds, the article take-out command is issued so that the article (Gj) is taken out from the gravity roller conveyor (1j) to the virtual space (βj) set in the upper conveyor conveyor (2). I roller conveyor (1
j) is provided to the article take-out device (3) provided at the downstream end. Since the offset value (α) of the gravity roller conveyor (1j) is 0 mm, it is not necessary to add the offset value (α) to the above time.

Since the article (Gj) is continuously taken out after the article (Gj), the above-mentioned taking-out time, that is, 8.7.
Two seconds later, the virtual space (β
After the time required for the j) to move, that is, 12.38 seconds after adding 3.66 seconds, the gravity roller conveyor (1
j), an article take-out device provided with an article take-out command at the downstream end of the gravity roller conveyer (1j) so as to take out the article (Gj) from the j) to the virtual space (βj) set in the upper conveyer (2). Given to (3).

Since the article (Gd) taken out to the take-out conveyor (7) next to the article (Gj) is stored in the lower gravity roller conveyor (1) different from the article (Gj), the phase difference of 0 sec. (Γ) is added to merge the articles, and the article (Gj) transferred to the up-and-down conveyor (4) is conveyed without the offset value (α) and the phase difference (γ). After taking out time to the conveyor (2), that is, 10.98 seconds, the time required for the virtual space (βj) set in the conveyor (2) to move, that is, 14.64 seconds after adding 3.66 seconds , The offset value (α) of the gravity roller conveyor (1d), that is, 70
0 (mm) /416.7 (mm / sec) = 1.68 sec after 16.32 sec, the gravity roller conveyor (1
Article take-out device provided with an article take-out command at the downstream end of the gravity roller conveyor (1d) so as to take out the article (Gd) from the d) into the virtual space (βd) set in the lower conveyer conveyor (2) Given to (3).

Since the article (Gi) taken out to the take-out conveyor (7) after the article (Gd) is stored in the gravity roller conveyor (1) on the upper stage side different from the article (Gd), it takes 1.4 seconds. The phase difference (γ) is added so that they are merged, and the offset value (α) and the phase difference (γ) of the article (Gd) taken out by the vertical transport device (4) are removed first. The phase difference (γ) after taking out time to the transfer conveyor (2), that is, 14.64 seconds.
Gravity roller conveyor (1i) after 1.4 seconds and 19.7 seconds after adding the time required for moving the virtual space (βd) set on the conveyor (2), that is, 3.66 seconds. Offset value (α) of 700 mm, that is, 70
0 (mm) /416.7 (mm / sec) = 1.68 sec after adding 21.38 sec, the gravity roller conveyor (1
The article take-out device provided with the article take-out command at the downstream end of the gravity roller conveyor (1i) so as to take out the article (Gi) from i) to the virtual space (βi) set in the upper conveyor conveyor (2). Given to (3).

Since the article (Gi) is continuously taken out after the article (Gi), the above-mentioned taking-out time, that is, 21.
After 38 seconds, the time (3.61 seconds) required for moving the virtual space (βi) set in the conveyor (2) is added, and after 25.04 seconds, the article (Gi) is moved from the gravity roller conveyor (1i) to the upper side. The article take-out command is given to the article take-out device (3) provided at the downstream end of the gravity roller conveyer (1i) so as to take out the article into the virtual space (βi) set in the conveyer conveyor (2).

Since the article (Gh) taken out to the take-out conveyor (7) next to the article (Gi) is stored in the gravity roller conveyor (1) at the same stage as the article (Gi), the vertical conveying device ( 4) The take-out time of the article (Gi) delivered to the conveyor (2) excluding the offset value (α), that is, the virtual space (βi) set in the conveyor (2) after 23.36 seconds. Of the gravity roller conveyor (1 h) offset value (α) of 1400 mm, that is, 1400 (mm) / 41, after 27.02 seconds after adding 3.66 seconds to the time required for the movement.
6.7 (mm / sec) = 3.36 sec after 30.38 sec, the product (G) was transferred from the gravity roller conveyor (1 h).
The article take-out command is given to the article take-out device (3) provided at the downstream end of the gravity roller conveyor (1h) so that the h) is taken out to the virtual space (βh) set in the upper conveyer (2). To be

Since the article (Gj) taken out by the take-out conveyor (7) next to the article (Gh) is stored in the gravity roller conveyor (1) at the same stage as the article (Gh), the vertical conveying device ( 4) The take-out time of the article (Gh) transferred to the conveyor (2) excluding the offset value (α), that is, the virtual space (βh) set in the conveyor (2) after 27.02 seconds. After 30.68 seconds, which is the time required for moving the object, that is, 3.66 seconds, the article (G) is transferred from the gravity roller conveyor (1j).
An article take-out command is given to the article take-out device (3) provided at the downstream end of the gravity roller conveyor (1j) so as to take out j) into the virtual space (βj) set in the upper conveyer (2). To be Since the offset value (α) of the gravity roller conveyor (1j) is 0 mm, it is not necessary to add the offset value (α) to the above time.

Since the article (Gd) taken out to the take-out conveyor (7) next to the article (Gj) is stored in the lower gravity roller conveyor (1) different from the article (Gj), the phase difference of 0 sec. (Γ) is added to merge the articles, and the article (Gj) transferred to the up-and-down conveyor (4) is conveyed without the offset value (α) and the phase difference (γ). After taking out to the conveyor (2), that is, 29.28 seconds, the time required for the virtual space (βj) set in the conveyor (2) to move, that is, 32.94 seconds after adding 3.66 seconds , The offset value (α) of the gravity roller conveyor (1d), that is, 70
0 (mm) /416.7 (mm / sec) = 1.68 sec was added and 34.62 sec later, the gravity roller conveyor (1
Article take-out device provided with an article take-out command at the downstream end of the gravity roller conveyor (1d) so as to take out the article (Gd) from the d) into the virtual space (βd) set in the lower conveyer conveyor (2) Given to (3).

As described above, in the time until each article (G) is taken out from the gravity roller conveyor (1) calculated by the computer (not shown), the transfer speed of the transfer conveyor (2) is 416.7 mm / The value multiplied by seconds is
It is the transport distance of each virtual space (β) from the start of load alignment until each article (G) is taken out. Therefore, at the transport distance of the virtual space (β) between one pulse of the pulse encoder attached to the line shaft (22) of the transport conveyor (2), from the start of load alignment until each article (G) is taken out. A value obtained by dividing the transport distance of the virtual space (β) becomes a pulse value from the start of the load alignment at which the respective articles (G) should be taken out. Then, the computer transmits the pulse value from the start of the packing and the number of the gravity roller conveyor (1) from which the respective articles (G) should be taken out to a sequencer (not shown).
The sequencer receiving the data stores the pulse value from the start of the load alignment and the number of the gravity roller conveyor (1) from which the article (G) should be taken out, and at the same time when the load alignment is started, the pulse of the pulse encoder is sent. The air cylinder (35) of the article take-out device (3) provided at the downstream end of the gravity roller conveyor (1) that starts counting and coincides with the commanded pulse value is operated,
The predetermined article (G) is controlled to be taken out to the conveyor (2).

As described above, the transfer conveyors (5) in which the articles (G) merged from the plurality of gravity roller conveyors (1) at a constant pitch are arranged at the downstream end of each transfer conveyor (2). ), (6),
When the article placing part (411) of the vertical transport device (4) and the fixed skew conveyor (61) or the moving skew conveyor (52) reach a position where the article (G) passes from the bottom to the top. While being scooped up by the placing section (411), they are continuously transferred to the article transporting tool (41) and merged. When the article (G) reaches the loading section of the fixed skew conveyor (51) of the delivery conveyor (5), the moving skew conveyor (52) is moved to a position where it crosses the article placement section (411), After the article (G) is transferred to the article conveyor (41), the original state is restored (however, the succeeding article (G) is transferred from the movable skewer conveyor (52) to the article conveyor (4).
In the case of being delivered to 1), the succeeding article (G) is delivered to the article transporting tool (41) and then returned to the original state). Further, according to the timing (position) at which the article (G) transported on each of the transport conveyors (2) is delivered to the article transport tool (41), the plurality of gravity roller conveyors ( 1) to goods (G)
Since the phase difference (γ) is set at the timing of merging, and the phase difference (γ) is added to the timing of merging the articles (G) from the gravity roller conveyor (1) to the respective conveyors (2), The timing when the article (G) reaches the fixed skew conveyor (61) or the movable skew conveyor (52) and the timing when the article (G) is scooped up by the article placing section (411) are substantially the same.

The article (G) merged by the up-and-down conveying device (4) is the article placing section (41) carrying the article (G).
1) is a fixed skew conveyor (7) of the take-out conveyor (7)
1) is taken out by passing from the upper side to the lower side, and the article (Ga) is transferred onto the driving roller conveyor (72),
(Gg), (Gj), (Gj), (Gd), (Gi),
(Gi), (Gh), (Gj), and (Gd) are taken out in this order.

Thus, the articles (G) taken out by the drive roller conveyor (72) are loaded on the gravity roller conveyor (1001) arranged in a plurality of rows.

The structure around the gravity roller conveyor (1001) will be described. The gravity roller conveyor (1001) is one in which a pair of rail frames (1012) having a plurality of rollers (1011) are arranged in an inclined manner. The article (G) supplied onto the gravity roller conveyor (1001) is self-propelled and stored on the roller (1011) by its own weight, and then the article take-out device (1).
003) and retractable swing conveyor (100
After 5), the goods are arranged on the article supply conveyor (2002).

The transfer conveyor (1002) is a drive roller conveyor arranged so as to connect the upstream ends of the gravity roller conveyors (1001) arranged in parallel,
It is located downstream of the drive roller conveyor (72),
A branch point from the conveyor (1002) to the gravity roller conveyor (1001) is composed of a pair of endless chains (1041) etc. which are rocked by an air cylinder (not shown) so as to move in and out from the upper surface of the roller (1021). A branching device (1004) is provided. Further, a direction changing device (not shown) for changing the conveying direction of the article (G) to the horizontal direction by 90 ° is provided on the upstream side of the conveyer conveyor (1002).

Further, the article take-out device (1003) is
A pair of rail frames (103) provided with a plurality of rollers (1031) that are moved up and down by an air cylinder (not shown).
2), a pair of rail frames (1034) provided with a plurality of rollers (1033) and fixedly installed on the downstream side of the rail frame (1032), and the rail frame (103
4) with a stopper (1035) provided at the upstream end so that the upper surface height of the roller (1031) matches the upper surface height of the roller (1011) when the air cylinder is at the lower end. The stopper (103
By (5), the article (G) that is self-propelled in the inclination direction is locked. When an article take-out command is issued, the air cylinder is actuated to lock the roller (1031) with the stopper (1035) so that the height of the upper surface of the roller (1031) matches that of the roller (1033). The article (G) at the tip is removed. At that time, since the rear end of the rail frame (1032) is higher than the upper surface of the roller (1011), the succeeding article (G) is locked at the rear end of the rail frame (1032), and the gravity roller conveyor (1001). ) Articles stored on top (G)
Can be taken out one by one to the article supply conveyor (2002) through the telescopic swing conveyor (1005).

26 gravity roller conveyors (1a), (1b), ..., (1) arranged in a plurality of rows and a plurality of stages
z) is stored in a fluidized shelf (F) (an embodiment different from the fluidized shelf (F) including the 5 rows × 2 stages (= 10 pieces) of gravity roller conveyors (1) shown in FIG. 1). A method of arranging the articles (G) on the gravity roller conveyor (1001) arranged in a plurality of rows via the drive roller conveyor (72) and the transfer conveyor (1002) will be described. As shown in FIG. Articles of the same type, for example, articles (Ga) having a length of 300 mm and a height of 50 mm are stacked in m stages (for example, 4 stages) in the first row and the first column of P), and the articles of the same type in the second column. , For example 300m long
An article (Gu) having a height of 70 mm and a height of 70 mm is n steps (for example, 3
Articles of the same type in the third row, for example, articles (Gc) having a length of 300 mm and a height of 50 mm are stacked in o rows (for example, 4 steps), and articles of the same type in the fourth row, for example, Items (Gv) with a length of 300 mm and a height of 70 mm can be
Stacked in stages (eg 3 stages), articles of the same type in the 5th row,
For example, an article with a length of 300 mm and a height of 50 mm (G
In the case of stacking e) in r stages (for example, 4 stages), four articles (Ga) from the gravity roller conveyor (1a).
From the gravity roller conveyor (1c) to four articles (Gc) from the gravity roller conveyor (1e) to
The individual article (Ge) is a gravity roller conveyor (1
u), three articles (Gu) are taken out from the gravity roller conveyor (1v), three articles (Gv) are taken out, and a drive roller conveyor (72) and a transfer conveyor (1002)
After passing through the branching device (1004), four articles (Ga) are aligned on the first gravity roller conveyor (1001) from the downstream side of the transfer conveyor (1002), and from the downstream side. 3 items (Gu) on the second gravity roller conveyor (1001)
Are aligned, four articles (Gc) are aligned on the third gravity roller conveyor (1001) from the downstream side, and the fourth gravity roller conveyor (1
Three articles (Gv) are aligned on 001), and four articles (Ge) are aligned on the fifth gravity roller conveyor (1001) from the downstream side. Packed 1
The eight articles (G) are placed on the pallet (P) in 3 to 4 stages × 5 by the article stacking device (2000) as described later.
Stacked in a row arrangement.

Further, as shown in FIG. 12, the pallet (P)
In the second row, first column, articles of different varieties (G), for example, articles with a length of 390 mm and a height of 50 mm from the bottom (G
w), an article with a length of 330 mm and a height of 60 mm (G
x), an article having a length of 380 mm and a height of 50 mm (G
y), an article with a length of 390 mm and a height of 70 mm (G
In the order of z), articles (G) having a length of 300 mm and a height of 50 mm are arranged in the second to fifth rows, for example, the articles (Gb), (Gg), (Gl), ( Gq) in the order from the bottom to the third row, articles (Gc), (Gh), (Gm), (G
r) in the order from the bottom to the fourth row, articles (Gd), (G
i), (Gn), and (Gs) in this order, the fifth row is loaded with articles (Ge), (Gj), (Go), and (Gt) in that order from the gravity roller conveyor (1b). )
From the gravity roller conveyor (1c) to one article (Gc), from the gravity roller conveyor (1d) to one article (Gd) from the gravity roller conveyor (1e) to Individual goods (Ge)
Gravity roller conveyor (1g) from one article (G
g) is one article (Gh) from the gravity roller conveyor (1h), one article (Gi) from the gravity roller conveyor (1i), and one article (Gj) from the gravity roller conveyor (1j) , One article (Gl) from the gravity roller conveyor (1l), one article (Gm) from the gravity roller conveyor (1m),
Gravity roller conveyor (1n) from one article (G
n) is one article (Go) from the gravity roller conveyor (1o), one article (Gq) from the gravity roller conveyor (1q), and one article (Gr) from the gravity roller conveyor (1r) However, one article (Gs) from the gravity roller conveyor (1s), one article (Gt) from the gravity roller conveyor (1t),
Gravity roller conveyor (1w) from one article (G
w) is one article (Gx) from the gravity roller conveyor (1x), one article (Gy) from the gravity roller conveyor (1y), and one article (Gz) from the gravity roller conveyor (1z) Are taken out, passed through the drive roller conveyor (72) and the transfer conveyor (1002), branched by each branching device (1004), and on the first gravity roller conveyor (1001) from the downstream side of the transfer conveyor (1002). The goods (G
w), (Gx), (Gy), and (Gz) in this order on the second gravity roller conveyor (1001) from the downstream side of the articles (Gb), (Gg), (Gl), and (Gq). In order, the articles (Gc), (Gh), (Gh), (Gh), (Gh) are placed on the third gravity roller conveyor (1001) from the downstream side.
m) and (Gr) in this order on the fourth gravity roller conveyor (1001) from the downstream side, the article (Gd),
5 from the downstream side in the order of (Gi), (Gn), and (Gs).
On the th gravity roller conveyor (1001), articles (Ge), (Gj), (Go), and (Gt) are loaded in the order of 20 pieces of the loaded articles (G) as described later. Then, the articles are stacked on the pallet (P) by the article stacking device (2000) in an arrangement of 4 rows × 5 rows.

The article stacking device (2000) has a pallet transport conveyor (2001) for horizontally transporting the pallet (P), and an article () taken out from the gravity roller conveyor (1001) by an article take-out device (1003). G) Telescopic swing (belt) conveyor (100
5) a plurality of rows (two rows) of article supply conveyors (2002) to be supplied onto the pallet (P) or the articles (G) supplied in advance, and an elevating device for elevating the article supply conveyor (2002) ( 2003) and a moving device (20) for moving the lifting device (2003) along the supply direction of the article (G).
04) and the like, and by moving the article supply conveyor (2002) horizontally and vertically with respect to the pallet (P), a plurality of rows of gravity roller conveyors (1) are provided.
The goods (G) loaded in 001) are stacked on the pallet (P). The article supply conveyor (2002) is a stretchable belt conveyor (2002a) configured to move forward and backward along the supply direction of the article (G) as shown by the one-dot chain line or two-dot chain line in FIG. And a belt conveyor (2002b) configured as described above. The pallet conveyor (2001) is a drive roller conveyor, and the lifting device (2003) is a table lifter. The moving device (2004) includes a rack (2041) and a pinion (2042),
The elevating device (2003) is moved along the guide (2043) in the supply direction of the article (G). Further, one end of the telescopic rocking belt conveyor (1005) has a rail frame (103) of the article take-out device (1003).
4) is rotatably attached to the downstream end, and the other end is rotatably attached to the upstream end of the article supply conveyor (2002).
05) is configured to expand and contract and swing as the article supply conveyor (2002) moves in the horizontal and vertical directions. Further, (2011) is an article regulation plate.
Thus, the articles (G) loaded on the gravity roller conveyors (1001) arranged in a plurality of rows are taken out, and the intervals according to the height of the preceding articles (G) on the article supply conveyor (2002). In the article supply conveyor (20), the following articles (G) are loaded and the plurality of types of articles (G) loaded in a plurality of rows are loaded on the article (G) previously loaded.
02) moving upward, columnar for each row (vertical direction)
It is designed to be packed in.

That is, the article supply conveyor (2002) mounted on the lifting device (2003) is lowered to a position just above the pallet (P) and moved by the moving device (2004) as shown in FIG. Supply conveyor (200
The tips of the elastic belt conveyor (2002a) and the belt conveyor (2002b) of 2) are moved to a position where articles (G) forming the column of the first row can be stacked. That is, four articles (Ga) to be stacked in the first row, the second article
3 articles (Gu) to be loaded in a row, 4 articles (Gc) to be loaded in a 3rd row, 3 articles (Gv) to be loaded in a 4th row, and 5th row Since the lengths of the four articles (Ge) are all 300 mm, the loading positions of the eighteen articles (G) stacked in a column are based on the lengths (300 mm) of these articles (G). Determined.

When the article supply conveyor (2002) is moved to the loading start position, the article take-out device (100
3) The succeeding article (G) is taken out at an interval according to the height of the preceding article (G) (for example, the height is 50
The article (G) that is taken out after the article (G) of mm is 1.0 seconds later, and the article (G) that is taken out after the article (G) of 70 mm in height is raised 1.4 seconds later. 80m
The article (G) that is subsequently taken out of the article (G) of m is taken out after 1.6 seconds), and is continuously supplied by the article supply conveyor (2002) via the expansion / contraction swing belt conveyor (1005). Article supply conveyor (200
When a detector (not shown) attached to the tip of 2) detects the leading article (G), the elevating device (2003) starts to rise and is continuously supplied by the article supply conveyor (2002). Articles (G) are stacked so as to be stacked on the pallet (P) or the articles (G) supplied in advance (see the phantom line in FIG. 9), and a plurality of articles of the same type as shown in FIG. (G) is column-shaped (vertical direction)
Be loaded into. The ascending speed of the lifting device (2003) when the articles (G) are stacked on the pallet (P) is the stacking speed of the articles (G) to be stacked, which is 50 mm / 1.0 second in this embodiment. = 3m / min (70m
m / 1.4 sec = 3 m / min, or 80 mm / 1.6 sec =
3 m / min), or a little faster than that, so that the succeeding articles (G) are substantially coincident with the top surface of the articles (G) already stacked and the article supply conveyor (2002). Can be stacked in a column shape on the articles (G) that are previously supplied and stacked, and various articles (G) having different heights can be palletized (P) without disturbing the arrangement. Can be stowed on top.

When the final articles (G) forming the columns of the first row are stacked on the pallet (P), the article supply conveyor (2002) is moved by the moving device (2004) as shown in FIG. The tip of the belt conveyor (2002b) of the article supply conveyor (2002) is moved to a position where articles (G) forming the second row of columns to be stacked in the second to fifth columns can be stacked, and It is lowered to a position just above the pallet (P). That is, four articles (Gb), (Gg), (G
l), (Gq), four articles (Gc), (Gh), (Gm), (Gr) stacked in the third row, four articles (Gd), (Gd) stacked in the fourth row, ( Gi), (G
n), (Gs), four articles (Ge), (Gj), (Go), and (Gt) stacked in the fifth row all have a length of 300 mm, and thus are stacked in a columnar shape 16
The stacking position of the individual articles (G) is determined based on the length (300 mm) of these articles (G), and the belt conveyor (2002b) is moved by the moving device (2004) to 30 degrees.
It is moved 0 mm. A belt conveyor (2002b)
Simultaneously with the movement of, the tip end of the elastic belt conveyor (2002a) of the article supply conveyor (2002) is (390 mm-300 mm =) 90 mm as shown by the one-dot chain line in FIG.
It is designed to retreat. That is, with the article (G) having the maximum length (300 mm) to be stacked in the second to fifth rows as a reference, the article (Gw) having a length of 390 mm and a length of 330 mm to be stacked in the first row. The article (Gx) having the maximum length among the article (Gx), the article (Gy) having a length of 380 mm, and the article (Gz) having a length of 390 mm, that is, having a length of 3
Since it is designed to be determined based on 90 mm articles (Gw) and (Gz), the telescopic belt conveyor (2002
The front end of a) is retracted 90 mm with respect to the front end of the belt conveyor (2002b), and four articles (Gw), (Gw)
x), (Gy), and (Gz) can be stacked at predetermined positions.

Telescopic belt conveyor (2002a) and belt conveyor (2002) of the article supply conveyor (2002)
b) is moved to the loading start position of the articles (G) forming the column of the second row, the article removing device (10
03), the succeeding article (G) is taken out at an interval according to the height of the preceding article (G), passes through the telescopic swing belt conveyor (1005), and the article supply conveyor (200).
2) is continuously supplied. When a detector (not shown) attached to the tip of the article supply conveyor (2002) detects the leading article (G), the lifting device (2003).
Starts to rise, and the article supply conveyor (200
The articles (G) continuously supplied by 2) are stacked so as to be stacked on the pallet (P) or the articles previously supplied (see the phantom line in FIG. 10). As shown, a plurality of types of articles (G) are stacked in a column shape (vertical direction).

Similarly, the pallets (P) stacked up to the third row column are transferred to the pallet transport conveyor (20).
01) is carried out.

FIG. 14 is a plan view partially showing another embodiment of the article stacking apparatus of the present invention, and FIG. 15 is partially showing another embodiment of the article stacking apparatus of the present invention. Side view,
FIG. 16 is a plan view partially showing another embodiment of the article stacking apparatus of the present invention, and FIG. 17 is a side view partially showing another embodiment of the article stacking apparatus of the present invention. 14 and FIG.
Is a drawing corresponding to FIGS. 5 and 6 of the above-described embodiment, and FIGS. 16 and 17 are drawings showing a portion corresponding to FIG. 7 of the above-described embodiment. In these drawings,
Reference numeral (1001) is a gravity roller conveyor for accommodating the articles (G) that have been sorted and whose front end side is slanted low, which is the article sorting conveyor of the present invention.
A plurality of rows (5 rows) are arranged in the direction along 2). Also, each gravity roller conveyor (1001)
An article take-out device (1003) for taking out the articles (G) loaded on the gravity roller conveyor (1001) is provided at the tip (downstream end) of the. Also,
Reference numeral (2000) is an article loading device for loading articles (G) loaded on the article loading conveyor (1001) on a bed (B) of a vehicle (truck) as the container of the present invention. ) Is supplied onto the loading platform (B) or the previously supplied article (G) (200).
2) and an elevating device (2003) for elevating the article supply conveyor (2002). Also, (1005)
Is a telescopic swing conveyor, (1006) is a telescopic conveyor,
(1007) is a traveling conveyor, and an article picking device (1
003) is a conveyor for supplying the article (G) taken out to the article supply conveyor (2002),
One end of the telescopic swing conveyor (1005) is rotatably attached to the downstream end of the traveling conveyor (1007), and the other end is rotatably attached to the upstream end of the article supply conveyor (2002). There is. Thus, the articles (G) arranged in the articles are arranged on the article arrangement conveyors (1001) arranged in a plurality of rows, and the article supply conveyors (2002) are taken out.
Articles in which the following articles (G) are loaded at intervals according to the height of the preceding article (G), and multiple types of articles (G) loaded in multiple rows are loaded in advance. The article supply conveyor (2002) is placed on the (G) and the lifting device (200)
According to 3), the columns are stacked in columns (vertical direction) while moving upward.

Each part in the above-mentioned another embodiment will be described. Gravity roller conveyor (1001), transfer conveyor (1002), article removing device (100).
3), the branching device (1004), etc. are configured in the same manner as the above-described embodiment shown in FIGS. 5 and 6.

Further, the article stacking device (2000) uses the article (G) taken out from the gravity roller conveyor (1001) by the article take-out device (1003) to extend (belt) the conveyor (1006) and run (belt) the conveyor. (1007), telescopic swing (belt) conveyor (1
005), the article supply conveyor (2002) for supplying onto the bed (B) of the truck or the article (G) supplied in advance, the elevating device (2003) for elevating the article supply conveyor (2002), and the elevating device A moving device (200) for moving (2003) along the supply direction of the article (G).
4), etc., and the articles (G) are loaded on the plurality of rows of gravity roller conveyors (1001) by moving the article supply conveyor (2002) horizontally and vertically with respect to the truck bed (B). ) Is loaded on the truck bed (B). The article supply conveyor (2002) includes a belt conveyor (2002b) having a constant length and a belt conveyor (200).
2b) and a gravity roller conveyor (2002c) arranged on the downstream side. The lifting device (2003) is composed of a table lifter. Further, the moving device (2004) is a traveling carriage equipped with a drive motor (not shown) so that it can also travel on the bed (B) of the truck, and moves the lifting device (2003) in the supply direction of the article (G). I am supposed to do it. In addition, one end of the telescopic swing belt conveyor (1005) has a traveling conveyor (10
07) is rotatably attached to the downstream end, and the other end is rotatably attached to the upstream end of the article supply conveyor (2002).
005) is configured to expand and contract and swing with the horizontal and vertical movements of the article supply conveyor (2002) and the horizontal movement of the traveling conveyor (1007). Further, one end of the extendable conveyor (1006) is attached to the upstream end of the traveling conveyor (1007), and is configured to expand and contract in the horizontal direction as the traveling conveyor (1007) moves in the horizontal direction. There is. Also,
One end of the traveling conveyor (1007) has a telescopic conveyor (1
006) is attached to the downstream end, and the other end is rotatably attached to the upstream end of the telescopic oscillating belt conveyor (1005), so that it moves horizontally with the movement of the moving device (2004). It is configured to run. Thus, the article stacking apparatus of the above-described another embodiment is similar to the above-described embodiment shown in FIGS. 5 to 7, and loads the goods onto the gravity roller conveyors (1001) arranged in a plurality of rows. The removed article (G) is taken out and the article supply conveyor (200
2) The succeeding articles (G) are aligned at intervals according to the height of the preceding article (G), and the plurality of types of articles (G) arranged in a plurality of rows are stacked in advance. Goods (G)
The article supply conveyor (2002) is moved upward and stacked in a column shape (vertical direction) row by row.

Although the article stacking apparatus of the present invention has been described above with reference to the embodiment of the article arranging equipment suitable for its implementation, the article loading apparatus of the present invention is not limited to these. For example, the telescopic swing conveyor (1005),
Telescopic conveyor (1006), traveling conveyor (1007)
Is not particularly limited in its structure as long as it can convey the article (G) taken out from the gravity roller conveyor (1001) to the article supply conveyor (2002). The conveyor (1007) and the like may be omitted as appropriate.

Further, there are five rows of article supply conveyors (200
2) is provided for each article supply conveyor (2002)
Telescopic belt conveyor (2002)
It may be configured in a).

Further, the article (G) having an arbitrary length may be randomly supplied by the belt conveyor (2002b). In this case, the belt conveyor (200
For each column supplied by 2b), the stacking position of the plurality of articles (G) forming the column may be determined based on the article (G) of the maximum length.

Further, only one article take-out device (1003) is provided for a plurality of rows (5 rows) of gravity roller conveyors (1001), and each article (G) is fed from the plurality of rows of gravity roller conveyors (1001). May be taken out at the same time.

Further, the width dimension of the article (G) is the type (product type).
It may be different for each.

Considering the order of unloading the loaded articles (G) from the pallet (P) or the truck bed (B), for example, the articles (G) are in the reverse order of the unloading order.
Should be stowed.

Further, the pallet (P) may be moved horizontally instead of the belt conveyor (2002b) being moved horizontally.

[0059]

As described above, the article stacking apparatus of the present invention comprises the article arranging conveyor, the article unloading apparatus, and the article supply conveyor arranged in a plurality of rows.
Articles of any type, such as different heights, can be continuously stacked at any location.

[Brief description of drawings]

FIG. 1 is a perspective view partially showing an example of an article arranging facility.

FIG. 2 is an elevational view of an essential part, which partially shows an example of the article assembling equipment.

3 is a side view showing an enlarged downstream end portion of the gravity roller conveyor shown in FIG. 1. FIG.

FIG. 4 is a plan view of FIG.

FIG. 5 is a plan view partially showing an embodiment of the article stacking apparatus of the present invention.

FIG. 6 is a side view partially showing an embodiment of the article stacking apparatus of the present invention.

FIG. 7 is a perspective view partially showing an embodiment of the article stacking apparatus of the present invention.

FIG. 8 is an explanatory diagram of an example of a method for arranging goods by means of an equipment for arranging goods.

9 is a side view for explaining the operation of the article stacking device shown in FIG. 7. FIG.

FIG. 10 is a side view for explaining the operation of the article stacking apparatus shown in FIG.

11 is a perspective view showing a state of articles stacked on a pallet by the article stacking apparatus shown in FIG.

FIG. 12 is a perspective view showing a state of articles stacked on a pallet by the article stacking apparatus shown in FIG.

FIG. 13 is an AA view of the state of the articles stacked on the pallet shown in FIG.

FIG. 14 is a plan view partially showing another embodiment of the article stacking apparatus of the present invention.

FIG. 15 is a side view partially showing another embodiment of the article stacking apparatus of the present invention.

FIG. 16 is a plan view partially showing another embodiment of the article stacking apparatus of the present invention.

FIG. 17 is a side view partially showing another embodiment of the article stacking apparatus of the present invention.

[Explanation of symbols]

1001 article sorting conveyor (gravity roller conveyor) 1003 article picking device 2002 article supply conveyor 2003 lifting device B container (vehicle carrier) G article P container (pallet)

Claims (2)

[Claims] 1. An article stacking apparatus for stacking articles in a plurality of rows in a container, and article unloading conveyors arranged in a plurality of rows, and article unloading for taking out articles lined up on the article unloading conveyors. An apparatus, an article supply conveyor for supplying the taken out articles onto a container or an article previously supplied, and an elevating device for raising and lowering the article supply conveyor, wherein the article taking out apparatus is the article packing conveyor. A device for stacking articles, which is disposed at the tip of the. 2. The article stacking apparatus according to claim 1, wherein the container is a bed of a vehicle.