JP2588825B2 - Aggregate inspection method - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for inspecting an aggregate formed of a plurality of articles conveyed continuously, and more particularly to a method for inspecting an aggregate having a normal gap between the aggregate and a subsequent aggregate. The present invention relates to a method of inspecting an aggregate for inspecting whether or not an aggregate is formed.

[0002]

2. Description of the Related Art As a conventional technique relating to a method of transporting articles, a technique described in Japanese Patent Application Laid-Open No. 2-291310 is known.

[0003] The prior art described in the above publication is described.
A method of conveying an article in which the article merges into a virtual space according to the size of the article is described.

[0004]

However, the above-mentioned prior art has the following problems.

[0005] That is, Japanese Patent Application Laid-Open No. 2-291310 does not describe a function for checking whether or not an aggregate is being transported at a normal interval.

Therefore, an object of the present invention is to detect whether or not the last article of the assembly has passed within a predetermined time,
An object of the present invention is to provide an inspection method of an aggregate that can inspect whether an aggregate is formed normally.

[0007]

According to the present invention, there is provided a method for inspecting an aggregate formed of a plurality of articles which are continuously conveyed, wherein the first article in the aggregate is temporarily stopped.
The assembly is provided with a stopper that retracts after a predetermined time, and by detecting whether or not the last article of the assembly has passed the position where the stopper is provided within a predetermined time, the assembly is The object has been attained by providing a method of inspecting an aggregate, characterized in that it is inspected whether or not it is formed normally.

According to the present invention, there is provided a method for inspecting an aggregate formed by a plurality of articles which are continuously conveyed, wherein the article at the head of the aggregate is temporarily stopped and a predetermined time is elapsed.
A stopper is provided to detect whether or not the last article of the assembly has passed the position where the stopper is provided within a predetermined time, and becomes the head of the subsequent assembly. By detecting whether or not the article arrives at the position where the stopper is provided within a predetermined time, it is checked whether or not the assembly is formed normally. The above object has been achieved by providing a method of inspecting an aggregate as a feature.

[0009]

The method of inspecting an aggregate according to the present invention detects whether or not the last article of the aggregate has passed within a predetermined time to determine whether or not the aggregate is formed normally. Can be inspected.

[0010]

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is an exploded perspective view of an assembly inspection method according to the present invention.

FIG. 1 is a perspective view showing an embodiment of an article packing apparatus. In this drawing, reference numeral (1000) denotes an upper outer flap on the left and right side portions of a box such as a cardboard box, which is separated from an inner flap. A box unpacking device, (2000) is a box unpacking device that separates lower outer flaps from left and right side portions of the box from the inner flap, and (3000) is an upper outer flap and a lower outer flap. Is a pusher for changing the conveying direction of the box separated from the inner flap, so that the upper outer flap and the lower outer flap which have been separated and are in a free state are not locked to the inner flap again.
Also, (4000) is a flap opening device for opening one of the upper side outer flap and the lower side outer flap (the front side in the traveling direction) of the pair of side surfaces separated from the inner flap,
(5000) is a device for taking out an article (G) stored in the box body by pushing it out in a horizontal direction by a pusher, and (6000) is an article supply apparatus having a swinging conveyor mounted on a traveling cart. The first branch line (7001) in which the articles (G) taken out of the box by the article take-out device (5000) are arranged in a plurality of rows and a plurality of stages of the article storage and packing device (7000).
A). Also, (7000)
Is a first branch line (7001) composed of a gravity roller conveyor (7001) for placing articles (G) by type
A) and a second tributary line (7) composed of a gravity roller conveyor (7001) on which a plurality of types of articles (G) to be supplied are pre-arranged and supplied in the order of the types to be taken out.
001B) are arranged in a plurality of rows and a plurality of stages.
004), the article (G) stored in the fluidized shelf (7004) moves from the entrance front side to the exit front side by its own weight, and each gravity is moved by the article take-out apparatus (7003). The main flow line (7002) provided corresponding to the roller conveyor (7001) is taken out from the main flow line (7002) and the main flow line (7
002) is transported at an interval for each stage, and is passed through a separation conveyor (9006) and the like, and the inclined conveyor (90).
Conveyed to 10). Reference numeral (8000) denotes an article input device for inputting the articles (G) continuously unloaded by the article storage and unloading apparatus (7000) into the moving unloading container (C). 8002) and a container transport conveyor (8001), and a stopper (9030) described later by the article supply conveyor (8002).
Thus, the articles (G) knitted into an aggregate of a plurality of rows are thrown in a direction substantially parallel to the front wall (C1) of the packing container (C). (9001),
(9004) and (9005) are roller conveyors, (90
Reference numerals 02) and (9003) denote stoppers, and reference numeral (9007) denotes a separating device for separating the plurality of articles (G) taken out of the box by the article take-out device (5000). Also, (9010) is a plurality of rows of inclined conveyors that convey articles (G) at intervals in each row, (9020) is a knitting conveyor arranged downstream of the inclined conveyor (9010), A rotating endless round belt (92) for shifting a plurality of rows of articles (G)
11) is provided. Reference numeral (9030) denotes a stopper disposed on the downstream side of the knitting conveyor (9020) so that a plurality of rows of articles (G) conveyed on the knitting conveyor (9020) can be stopped. Thus, the article (G) is taken out from the box storing a plurality of articles (G) of the same type by the article take-out device (5000), and the taken out article (G) of the same type is taken out of the box. It is placed on a plurality of first tributary lines (7001A) located in the same row of the flow shelves (7004) of the storage and packing device (7000), and is taken out by an article packing device (7000B) (not shown). Articles (G) of a plurality of types previously packed in the order of the types are placed on the second branch line (7001B) by a conveyor (7000C) (not shown), and the first branch line (7001).
The article (G) placed on A) and the second branch line (70)
01B) and the articles (G) placed on the main stream line (7002) in a desired quantity. The taken-out article (G) is conveyed at an interval for each inclined conveyor (9010) via a separation conveyor (9006) and the like, reaches the knitting conveyor (9020), and is provided with a plurality of rows of aggregates. A plurality of rows of articles (G) are separated by a stopper (9030) separating the article (G) to be the first in the row and the article (G) to be the last in each row of the preceding assembly. After being knitted into an aggregate consisting of the articles (G), the articles (G) are moved downward by the article loading device (8000) into the packing container (C) that is moving downward.
Are arranged in a line so as to be stacked. Note that a plurality of tributary lines (7001A), (7001A)
B) is joined to the main line (7002), and the last article (G) of the above-mentioned aggregate formed of a plurality of articles (G) continuously conveyed on the main line (7002) is determined. By detecting whether or not the assembly has passed within the time, it is checked whether or not the aggregate is formed normally.

FIG. 2 shows the number of rows of the gravity roller conveyor (7001) and the main stream line (7002) constituting the first branch line (7001A) and the second branch line (7001B). )
The arrangement of the goods storage and packing device shown in FIG. 1 (7000)
3 is a perspective view of an article storage / packaging apparatus substantially identical to the article storage / packaging apparatus (7000) shown in FIG. 1, and FIG. 3 is a perspective view of the gravity roller conveyor (70) shown in FIG.
FIG. 1 is an enlarged perspective view of the leading end of FIG. 1, wherein (7001) is a gravity roller conveyer having a leading end inclined downward, and a plurality of rows (10 in FIG. 1, FIG. 2) in a direction along the main flow line (7002). 5 rows, 2 in FIG.
6 rows), 5 shelves arranged in the up-down direction and fluidized shelves (7004)
Are formed at the tip of each gravity roller conveyor (7001).
03) is provided. Reference numeral (7002) denotes a mainstream line (loading conveyer) arranged so as to connect the article take-out devices (7003) in the same stage, and five stages are provided in the vertical direction.

The gravity roller conveyor (70)
No. 01) is a pair of rail frames (7012) having a plurality of rollers (7011) arranged in an inclined manner, and an article supply device (6000) or a conveyor (7000C) is mounted on a gravity roller conveyor (7001). The article (G) supplied by the self-propelled material runs on the roller (7011) by its own weight, is stored (storage), and then is taken out to the main stream line (7002) by the article take-out device (7003). is there.

The main flow line (7002) has a speed of about 67 m / min and is connected to an article take-out device (7003) provided at the end of the gravity roller conveyor (7001). Belt conveyor (Fig. 2
In the embodiment shown in FIG. 5, a roller conveyor is provided in five stages vertically so as to be substantially orthogonal to the gravity roller conveyor (7001). The main line (7002) is provided with a pulse encoder (7023). Also, the exit of each main line (7002),
That is, at the upstream end of the separation conveyor (9006), a photoelectric switch (9061) for detecting a conveyed article (G) is provided.
Is provided.

Further, the article take-out device (7003)
Using the shaft (7033) as a fulcrum, the air cylinder (703
A stopper (7) having a substantially U-shaped cross section swung by 2)
031) and a chute (7034) disposed downstream of the stopper (7031).
032), the stopper (7)
031) is configured so that the upper end of the front wall protrudes from the upper surface of the roller (7011), and the self-propelled article (G) in the inclined direction is locked by the front wall of the stopper (7031). is there. When an article removal command is issued, the upper end of the front wall of the stopper (7031) is moved to the roller (7032) by operating the air cylinder (7032).
Then, the article (G) at the front end of the stopper (7031), which is lowered from the upper surface of (11), is taken out. then,
The upper end of the rear wall of the stopper (7031) is a roller (701).
Since it is higher than the upper surface of 1), the following article (G)
Is stopped by the rear wall of the stopper (7031), and only one article (G) stored (placed) on the gravity roller conveyor (7001) can be taken out to the main stream line (7002). Also, 1 (1)
The articles (G) taken out one by one are placed in a mainstream line (700
The chute (7034) for carrying out to 2) is composed of a pair of rail frames (7341) having a plurality of rollers, and the rail frame (7321) of the chute (7034) is a gravity roller conveyor (700).
It is arranged steeper than the rail frame (7012) of 1).

Hereinafter, a first branch line (7001A) and a second branch line (700) composed of a gravity roller conveyor (7001) of an article storage and packing device (7000) will be described.
1B), a method of taking out and packing the articles (G) placed on the flow shelf (7004) shown in FIG. 4, that is, the gravity roller conveyor (7001) runs along the main line (7002). Description will be made based on another embodiment in which a total of 130 rows of 26 rows and 5 rows in the vertical direction are provided. Incidentally, (1a), (1b),..., (1z) are gravity roller conveyors (7
001) with the main code (700
From the viewpoint of 2), the most downstream side is (1a), and the most upstream side is (1z).
(1a), (1b),..., (1y) are the first
Is used as a tributary line (7001A), and (1z) is used as a second tributary line (7001B). Also, (2a), (2b),..., (2
z) is a branch code indicating each of the gravity roller conveyors (7001) disposed in the second stage from the bottom, and 3 from the bottom.
Similarly, the gravity roller conveyor (7001) arranged in the fifth to fifth stages from the bottom is also shown, and the gravity roller conveyors (2z), (3z) on the most upstream side of each stage are shown.
z), (4z), (5z) are the second branch lines (700
1B).

Thus, each of the first tributary lines (7
001A), a plurality of articles (G) for each product type are supplied and placed by the article supply device (6000), and the first branch lines (7) of all stages located in the same row are placed.
001A), articles (G) of the same type are placed. That is, the first branch lines (1a), (2a), (3)
a), (4a), and (5a) include articles of type a (Ga)
Are the first tributary lines (1b), (2b), (3b),
In (4b) and (5b), the goods (Gb) of the b type and the other first tributary lines (7001A) are similarly set in the first tributary lines (1y), (2y), (3y), (4
In y) and (5y), articles (Gy) of y types are placed. Also, the second tributary lines (1z), (2z),
In (3z), (4z), and (5z), a plurality of types of articles (Gz) with a low reordering frequency are taken out to the main line (7002) by an unillustrated article replenishing device (7000B). They are supplied and placed in order. still,
Here, it goes without saying that the z-type articles (Gz) mean a plurality of types of articles (G).

First, when articles (G) are packed in units of packing containers (C), articles of the same kind, for example, articles (Ga) only, are arranged in m rows (for example, 4 rows) × n columns (for example, 5 rows). In the case where only the rows are packed, the articles (Ga) are placed on the respective stages, so that the first branch lines (1a), (2a), (3a), (4a),
One article (Ga) by each article take-out device (7003) provided at the tip of (5a)
Are taken out to each main line (7002) almost simultaneously, and a total of five articles (Ga) are taken out. In a similar manner, the removal of the article (Ga) for each stage is performed at substantially the same time.
Repeated times, four articles (Ga) are packed on each main line (7002). 20 assorted
The individual articles (Ga) are conveyed at an interval for each inclined conveyor (9010) via a separation conveyor (9006) and the like, reach the knitting conveyor (9020), and are assembled in five rows by stoppers (9030). After being knitted into a body, the articles are put into the packing container (C) in an arrangement of 4 rows × 5 columns by an article feeding device (8000). That is, articles (Ga) of the same kind are divided into five first branch lines (1a), (2a), (3a), (4a),
By taking out from (5a) almost simultaneously, even when only the same kind of articles (Ga) are packed, packing is performed at high speed in the same way as when only different kinds of articles (G) are packed. Can be.

Further, only articles (G) of different types, for example, articles (Ga), (Gb), (Gc), (G
d), (Ge), the articles (Gf), (Gg),
(Gh), (Gi), and (Gj) are added to the third row of the article (G
k), (Gl), (Gm), (Gn), and (Go) in the fourth line, the articles (Gp), (Gq), (Gr), (Gs),
(Gt), ie, 20 kinds of goods (G)
A description will be given of the case of packing in rows × 5 columns. The article (Ga) is placed at the top of the main stream line (7002) in the first row from the bottom.
Is the article (Gb) at the head of the second main stream line (7002) from the bottom, and the third main stream line (7002) from the bottom.
(Gc) at the beginning of the main line (7002) at the fourth row from the bottom, and goods (Ge) at the top of the main stream line (7002) at the fifth row from the bottom. Are carried out from the first branch lines (1a), (2b), (3c), (4d), (5e), and the articles (Ga), (Gb) ), (G
c), (Gd) and (Ge) are packed. Next, the article (Gf) is placed in the first main line (7002) from the bottom.
However, an article (Gg) is placed in the second main stream line (7002) from the bottom, an article (Gh) is placed in the third main stream line (7002) from the bottom, and a fourth main stream line (700) from the bottom.
2), the articles (Gi) are packed in the fifth main stream line (7002) from the bottom so that the articles (Gj) are packed in the second position on each main stream line (7002). The article (G) is in the first branch line (1f), (2
g), (3h), (4i), and (5j), and the second row includes articles (Gf), (Gg), (Gh), and (G
i) and (Gj) are packed. Next, an article (Gk) is placed in the first main line (7002) from the bottom, and
The article (Gl) is in the main stream line (7002) of the stage, and the article (Gm) is in the main line (7002) of the third stage from the bottom.
However, the article (Gn) is in the fourth main stream line (7002) from the bottom, and the article (Go) is in the fifth main stream line (7002) from the bottom. Are placed in the first branch lines (1k), (2l), (3).
m), (4n), and (5o), and the third line includes articles (Gk), (Gl), (Gm), (Gn), and (Go).
Are packed. Next, the first main flow line (7
002), the article (Gq) is in the second main stream line (7002) from the bottom, and the article (Gr) is in the third main stream line (7002) from the bottom. An article (Gs) is loaded on the fourth main stream line (7002) and an article (Gt) is loaded on the fourth main stream line (7002) from the bottom at the fourth position on each main stream line (7002). The first tributary lines (1p), (2q), (3r), (4s), (5)
t), goods (Gp), (G
q), (Gr), (Gs), (Gt) are packed.
That is, the articles (Ga), (Gf), (Gk), and (Gp) are arranged in the first main stream line (7002) from the bottom, and the articles (Ga) are arranged in the second main stream line (7002) from the bottom. G
b), (Gg), (Gl), and (Gq) in the order from the bottom to the third main flow line (7002), the article (Gc),
In the order of (Gh), (Gm), and (Gr), the articles (Gd), (G
In the order of i), (Gn), and (Gs), articles (Ge), (Gj),
(Go) and (Gt) are packed in this order, and the 20 packed goods (G) are conveyed via a separation conveyor (9006) or the like at intervals for each inclined conveyor (9010). After arriving at the knitting conveyor (9020) and being knitted by the stopper (9030) into an aggregate consisting of five rows, the articles are put into the packing container (C) by the loading device (8000) in an arrangement of 4 rows × 5 columns. Is done.

Next, 20 items (G) of a part of the same kind and a part of the kind different from each other are placed in the first packing container (C).
20 articles (G) of the same kind and the rest being different in the second packing container (C), with the packing being arranged in rows x 5 columns.
Are packed in 4 rows × 5 columns. For example, an article (G) to be put into the first packing container (C)
In the first row, articles (Ga), (Gd), (Gd),
(Gf) and (Gg) are added to the article (Gg) and (G
h), (Gj), (Gj), and (Gl) in the third row are the articles (Gr), (Gr), (Gr), (Gr), and (Gr).
In the fourth row, the articles (Gr), (Gs), (Gt), (G
t) and (Gy) are packed, and articles (Ga), (Ga), (Gb) and (Gd) are placed in the fifth row as articles (G) to be put into the second packing container (C). ), (Ge)
In the sixth line, the articles (Ge), (Gg), (Gh), (G
k) and (Gk) in the seventh row, the articles (Gl), (Gm),
(Gp), (Gr), and (Gs) are assigned to the article (G
s), (Gt), (Gy), (Gz), and (Gz), the first main flow line (700
An article (Ga) is placed at the top of 2), an article (Gd) is placed at the top of the second main stream line (7002) from the bottom, and an article (Gd) is placed at the top of the third main stream line (7002) from the bottom. , The article (G) at the top of the fourth main stream line (7002)
f), the articles (G) are first tributary lines (1a), (2d), (2d) so that the articles (Gg) are packed at the head of the fifth main stream line (7002) from the bottom. 3
d), (4f), and (5g), and the articles (Ga), (Gd), (Gd), (Gf), and (Gg) are placed in the first row.
Are packed. Next, the first main flow line (7
002), the article (Gh) is in the second main line (7002) from the bottom, and the article (Gj) is in the third main line (7002) from the bottom. The goods (Gj) are loaded on the fourth main line (7002) and the goods (Gl) are loaded on the fifth main line (7002) from the bottom at the second position on each main line (7002). Each of the articles (G) is aligned with the first branch line (1g), (2h), (3j), (4j), (5
l), goods (Gg), (G
h), (Gj), (Gj), (Gl) are packed.
Next, an article (Gr) is placed in the first main line (7002) from the bottom, an article (Gr) is placed in the second main line (7002) from the bottom, and a third main stream line (700) from the bottom. 700
2) the article (Gr), the article (Gr) in the fourth main stream line (7002) from the bottom, and the article (Gr) in the fifth main stream line (7002) from the bottom. Each article (G) is loaded into the first tributary line (1) so as to be loaded at the third position on the line (7002).
r), (2r), (3r), (4r), and (5r), and articles (Gr), (Gr), (G
r), (Gr), and (Gr) are packed. Next, the article (Gr) is placed in the first main line (7002) from the bottom.
However, the article (Gs) is in the second main stream line (7002) from the bottom, the article (Gt) is in the third main stream line (7002) from the bottom, and the fourth main stream line (700) from the bottom.
2), the articles (Gt) are loaded in the fifth main stream line (7002) from the bottom, and the articles (Gy) are loaded in the fourth position on each main stream line (7002). The article (G) is in the first branch line (1r), (2
s), (3t), (4t), and (5y), and the fourth row includes articles (Gr), (Gs), (Gt), and (G
t) and (Gy) are packed. Next, the article (Ga) is placed in the first main stream line (7002) from the bottom,
The article (Ga) is in the main stream line (7002) of the stage, and the article (Gb) is in the main line (7002) of the third stage from the bottom.
However, the article (Gd) is on the fourth main line (7002) from the bottom, and the article (Ge) is on the fifth main line (7002) from the bottom. Are placed in the first branch lines (1a), (2a), and (3).
b), (4d), and (5e), and the fifth row includes articles (Ga), (Ga), (Gb), (Gd), and (Ge).
Are packed. Next, the first main flow line (7
002), the article (Gg) is in the second main stream line (7002) from the bottom, and the article (Gh) is in the third main stream line (7002) from the bottom. An article (Gk) is loaded on the fourth main stream line (7002) and an article (Gk) is loaded on the fifth main stream line (7002) from the bottom at the sixth position on each main stream line (7002). Each of the articles (G) is aligned with the first tributary line (1e), (2g), (3h), (4k), (5
k), goods (Ge), (G
g), (Gh), (Gk), and (Gk) are packed.
Next, the article (Gl) is in the first main stream line (7002) from the bottom, the article (Gm) is in the second main stream line (7002) from the bottom, and the third main stream line (700) from the bottom. 700
2) an article (Gp), an article (Gr) in the fourth main stream line (7002) from the bottom, and an article (Gs) in the fifth main stream line (7002) from the bottom. Each article (G) is loaded into the first tributary line (1) so as to be unpacked at the seventh position on the line (7002).
l), (2m), (3p), (4r), and (5s), and in the seventh line, articles (Gl), (Gm), (G
p), (Gr), and (Gs) are packed. Next, articles (Gs) are placed in the first main line (7002) from the bottom.
However, an article (Gt) is located in the second main stream line (7002) from the bottom, an article (Gy) is located in the third main stream line (7002) from the bottom, and a fourth main stream line (700) from the bottom.
2), the articles (Gz) are loaded on the fifth main stream line (7002) from the bottom so that the articles (Gz) are loaded at the eighth position on each main stream line (7002). The article (G) is in the first branch line (1s), (2
t), (3y) and the second tributary line (4z), (5z)
, And the eighth line contains articles (Gs), (Gt),
(Gy), (Gz), and (Gz) are packed. That is,
In the first main line (7002) from the bottom, the goods (G
a), (Gg), (Gr), (Gr), (Ga), (G
e), (Gl), and (Gs) in the order from the bottom to the mainstream line (7002) from the bottom, articles (Gd), (Gh),
(Gr), (Gs), (Ga), (Gg), (Gm),
(Gt), the main flow line (700
2) includes articles (Gd), (Gj), (Gr), (G
In the order of t), (Gb), (Gh), (Gp), and (Gy), articles (Gf), (Gj), (Gr), and (Gt) are provided in the fourth main stream line (7002) from the bottom. ), (Gd),
In the order of (Gk), (Gr) and (Gz), articles (Gg) and (G
l), (Gr), (Gy), (Ge), (Gk), (G
s), (Gz), 40
2 of goods (G) packed in the first to fourth rows
Zero articles (G) are conveyed at intervals for each inclined conveyor (9010) via a separation conveyor (9006) and the like, reach the knitting conveyor (9020), and are formed in five rows by stoppers (9030). After being knitted into an aggregate, the articles are put into the first packing container (C) in an arrangement of 4 rows × 5 columns by the article feeding device (8000),
The 20 articles (G) packed in rows 8 to 8 are also knitted into an aggregate of 5 columns, and then put into the second packing container (C) in an arrangement of 4 rows × 5 columns. You.

Next, the order as described above, that is, the article (G
a), (Gg), (Gr), (Gr), (Ga), (G
e) When the articles (G) are packed in the first main stream line (7002) from the bottom in the order of (Gl) and (Gs), the first main branch line (7001A) or the second main branch line (7001A) How the article (G) placed on the tributary line (7001B) is taken out to the main line (7002) will be described.

The main flow line at the first stage from the bottom (7002)
Then, a virtual space of 500 mm, which is obtained by adding a fixed margin space 200 mm to the length dimension (300 mm) of the article (G), is set, and the eight articles (G) are taken out in the space, and 5
When there is a load assortment command to convey at a pitch of 00 mm, the pulse encoder (7023) attached to the main line (7002)
Since one pulse is generated for the movement of 1 mm in 2), the pulses are counted by a pulse counter (not shown), so that the first tributary line (1) is generated.
a), (1b),..., (1y) and the second tributary line (1z), the respective articles (G) are placed on the main flow line (7002) at predetermined timings. They are taken out and packed in pitch and order.

That is, the first main flow line (700
A first tributary line (1a) juxtaposed along 2);
(1b),..., (1y) and the second tributary line (1
z) is 400 mm, for example, the distance between the most upstream (26th) second branch line (1z) and the first branch line (1a) is 400 mm × (26−
1) = 10000 mm, and the final end of the first main stream line (7002) from the bottom, that is, the separation conveyor (900)
Since the article (Ga) to be reached first in 6) is placed on the first branch line (1a), 1 (1) from the start of unpacking.
The article (Ga) may be unloaded from the first branch line (1a) with a delay of 0000 pulses. That is, the position correction value of the first tributary line (1a) or the article (Ga) after 10,000 pulses from the start of packing is 1
An article take-out device (7003) provided at the tip of the first branch line (1a) so as to take out the article (Ga) from the first branch line (1a) to the main line (7002) after 0000 pulses. ). The article (Ga) to be reached first at the final end, that is, the separation conveyor (9006) is the main stream line (7002).
Is carried out at the beginning, so the carry-out timing based on the carrying order is set to 0 pulse.

After the article (Ga), the main line (700)
The article (Gg) to reach the final end of 2) is carried out of the first branch line (1g) and is separated from the main line (7002).
500 mm from the virtual space of the article (Ga) set above
It is packed only in the virtual space on the upstream side. That is, the distance between the uppermost second branch line (1z) and the seventh first branch line (1g) is 400 mm × (26−7) = 760.
0 mm, and the position correction value of the first branch line (1 g) or the article (Gg) is 7600 pulses. Also,
The transport interval with the article (Ga) reaching the final end first is 5
00 mm, the first tributary line (1 g) after 8100 pulses obtained by adding 500 pulses to 7600 pulses
A command to take out the article (Gg) from the main branch line (7002) is given to the article take-out device (7003) provided at the tip of the first branch line (1g).

After the article (Gg), the mainstream line (700
The article (Gr) to reach the final end of 2) is unloaded from the first branch line (1r) and is separated from the main line (7002).
1000m from the virtual space of the article (Ga) set above
m are packed in the virtual space on the upstream side. That is, the distance between the most upstream second branch line (1z) and the eighteenth first branch line (1r) is 400 mm × (26-18) =
3200 mm, and the position correction value of the first branch line (1r) or the article (Gr) is 3200 pulses. Also, since the transport interval with the article (Ga) that reaches the final end first is 1000 mm, 1000
An article removal command is provided at the tip of the first tributary line (1r) so that the article (Gr) is extracted from the first tributary line (1r) to the main stream line (7002) after 4200 pulses after adding the pulses. Removal device (70
03).

After the above-mentioned article (Gr), an article (Gr) of the same kind reaches the final end of the main stream line (7002),
The article (Gr) is also unloaded from the first branch line (1r) and set on the main stream line (7002).
Packed in the virtual space on the upstream side by 1500 mm from the virtual space in a). That is, since the transport interval with the article (Ga) reaching the final end first is 1500 mm, 32
After 4700 pulses obtained by adding 1500 pulses to 00 pulses, an article take-out command is issued at the tip of the first branch line (1r) so that the article (Gr) is removed from the first branch line (1r) to the main line (7002). It is provided to the provided article take-out device (7003).

After the article (Gr), the mainstream line (700)
The article (Ga) to be reached to the final end of 2) is carried out of the first branch line (1a) and is moved to the main line (7002).
2000 mm from the virtual space of the article (Ga) to be reached first at the end of the main stream line (7002) set above
It is packed only in the virtual space on the upstream side. That is, the transport interval with the article (Ga) reaching the final end first is 2000 m.
m, the first tributary line (1a) after 12,000 pulses obtained by adding 2000 pulses to 10,000 pulses
A command to take out the article (Ga) from the main branch line (7002) is given to the article take-out device (7003) provided at the tip of the first branch line (1a).

After the article (Ga), the main stream line (700)
The article (Ge) that should reach the final end of 2) is carried out of the first branch line (1e) and is separated from the main line (7002).
2500 mm from the virtual space of the article (Ga) to be reached first at the end of the main line (7002) set above
It is packed only in the virtual space on the upstream side. That is, the distance between the second most upstream tributary line (1z) and the fifth first tributary line (1e) is 400 mm × (26−5) = 840.
0 mm, and the position correction value of the first branch line (1e) or the article (Ge) is 8400 pulses. Also,
The transport interval with the article (Ga) reaching the final end first is 2
Since it is 500 mm, the article take-out command is issued from the first tributary line (1e) to the first tributary line (1e) so as to take out the article (Ge) from the first tributary line (1e) to the main stream line (7002) after 10900 pulses obtained by adding 2500 pulses to 8400 pulses. ) Provided at the tip of the device (70)
03).

After the article (Ge), the mainstream line (700)
The article (Gl) to reach the final end of 2) is unloaded from the first tributary line (11) and becomes the main stream line (7002).
3000 mm from the virtual space of the article (Ga) to be reached first at the end of the main line (7002) set above
It is packed only in the virtual space on the upstream side. That is, the distance between the most upstream second branch line (1z) and the twelfth first branch line (1l) is 400 mm × (26−12) = 5.
The position correction value of the first tributary line (1l) or the article (Gl) is 5600 pulses. Also, since the transport interval with the article (Ga) reaching the final end first is 3000 mm, 3000 transports in 5600 pulses
An article removal command is provided at the end of the first tributary line (11) so that the article (Gl) is extracted from the first tributary line (11) to the main stream line (7002) after 8600 pulses after adding the pulses. Removal device (70
03).

After the article (Gl), the main line (700)
The article (Gs) to reach the final end of 2) is carried out of the first branch line (1s) and is separated from the main line (7002).
3500 mm from the virtual space of the article (Ga) that should reach the final end of the main stream line (7002) first set above
It is packed only in the virtual space on the upstream side. That is, the distance between the uppermost second branch line (1z) and the nineteenth first branch line (1s) is 400 mm × (26−19) = 2.
It is 800 mm, and the position correction value of the first branch line (1s) or the article (Gs) is 2800 pulses. Also, since the transport interval with the article (Ga) reaching the final end first is 3500 mm, 3500
An article removal command is provided at the tip of the first tributary line (1s) so that the article (Gs) is extracted from the first tributary line (1s) to the main stream line (7002) after 6,300 pulses after adding the pulses. Removal device (70
03).

The method of packing the articles (G) to be loaded into one or two packing containers (C) has been described above. Needless to say, they can be aligned.

When articles (G) are packed in the main line (7002) of the second to fifth stages from the bottom, the position correction value and the conveyance interval are calculated in the same manner, and a predetermined value is calculated. At the timing, the first main line (7001A) and the second main line (7001B) are separated from the main line (7
002) is controlled so as to carry out the article (G).

Each main line (7002)
Downstream of each main line (7002), a separation (belt) conveyor at a speed of about 96 m / min to convey articles (G) packed at intervals at intervals to the inclined conveyor (9010). (9006), 90 degree left roller curve conveyor at a speed of about 42 m / min, linear belt conveyor at a speed of about 42 m / min, right 9 at a speed of about 42 m / min
A 0 ° roller curve conveyor and a linear belt conveyor at a speed of about 42 m / min are provided. It should be noted that the main stream line is set so that the article (G) to be the leading in each row of the plurality of rows reaches the final end of the inclined conveyor (9010), that is, the upstream end of the knitting conveyor (9020) almost simultaneously. The speed of the conveyor provided downstream of (7002) is set to be shifted for each row, or the gravity roller conveyor (70) is set for each main line (7002).
It is preferable to correct the unloading timing from 01).

Thus, a plurality of first branch lines (700
1A) and the second branch line (7001B) are merged into respective main lines (7002) at a predetermined pitch and order, and the presence or absence of an article (G) continuously conveyed on the main line (7002) is checked. The detection is performed for each predetermined section, the detected actual presence / absence pattern of the article is compared with the presence / absence inspection data of the article, and whether or not the article (G) is normally merged and conveyed is inspected. is there.

That is, FIG. 15 is a control block diagram of an inspection system suitable for inspecting whether or not the article (G) is normally joined and conveyed. (9081) is a host system via a picking control panel (9082). An inspection system control panel that performs an inspection operation based on inspection data (see FIG. 16) from the CPU (9083), and is composed of a sequencer. The inspection data, that is, the packing container number, the main line (700
2) Inspection data (pattern) of the article for each predetermined section based on the inspection reference pulse for each, the inspection data (1 or 0) of the article for each main line (7002), and the upstream of the separating conveyor (9006) An actual article presence / absence pattern for each main line (7002) detected by each photoelectric switch (9061) provided at the end (FIG. 1)
7) and the picking control panel (9082), if there is a mismatch,
The loading container number and error pattern via the CPU
(9083). The inspection reference pulse is a leading pulse for each packing container (C), and the inspection system control panel (9081) sets a detection section every 500 pulses from the leading pulse. In the section of the set 500 pulses, the photoelectric switch (9061) is continuously moved for a certain period of time (for example, when the detected article (G) is 300 mm), the main line (7002) moves 180 mm to 360 mm. When this is turned on, it is determined that there is a correct article (G) in the corresponding section. The exclusive OR (XOR) of each bit corresponding to the actual article presence / absence pattern detected for each section (1 when detected) and the above article presence / absence check pattern is obtained, so that each bit is obtained. If the pattern is the same, the result is 0 and the accumulator is cleared. However, if there is a difference in any of the bits, the accumulator is not cleared and abnormal (article (G) merges normally). Is not transported). The picking control panel (9082) is a host CPU (9083).
For performing an article removal operation based on the article removal data from the solenoid (7032).
The air cylinder (7032) of the article take-out device (7003) is operated by S). still,
RS232C is for sending out article removal data, RS422 is for sending inspection data, and MELSECNET2 is for sending a pulse count value.

FIG. 5 shows a knitting conveyor (9020), a knitting conveyor (9020), and a knitting conveyor (9020) shown in FIG.
It is an expansion perspective view substantially the same as a stopper (9030) etc.
The inclined conveyor (9010) is a belt conveyor having a speed of about 42 m / min, and is arranged in five rows corresponding to the main stream line (7002), and the inclination angles thereof are different.
The knitting conveyor (9020) is an inclined conveyor (9020).
10) A belt conveyor at a speed of about 45 m / min, which is arranged on the downstream side, has a belt width corresponding to the five rows of inclined conveyors (9010), and moves a plurality of rows of articles (G). Pair of rotating endless round belts (9211)
The end gap between the pair of endless round belts (9211) is narrowed on the downstream side so that the article (G) can be kept close to the width. In addition, the stopper (9030) is provided on the upstream side of the article supply conveyor (8002) of the article input device (8000) described later and about 67 m / min. Provided on the downstream side of the knitting conveyor (9020). A speed swing roller conveyor, which is configured to swing with a downstream end as a fulcrum by an air cylinder (not shown), and conveyed on a knitting conveyor (9020) at an upstream end of the swing roller conveyor (9030). A plurality of rows of articles (G) to be stopped can be stopped. Reference numeral (9022) denotes a photoelectric switch for detecting the passage of an article (G) conveyed at intervals for each row, and a knitting conveyor (9) corresponding to each row.
020) above the upstream end. Reference numeral (9031) denotes a photoelectric switch for detecting the passage of articles (G) conveyed at intervals for each assembly from the horizontal direction, and is provided above the upstream portion of the oscillating roller conveyor (9030). .

Thus, each inclined conveyor (901)
0), and are conveyed at an interval for each knitting conveyor (9).
020) An article (G) to be the first in each of a plurality of rows of a plurality of rows of articles (G) conveyed at intervals for each row, and a preceding set After separating the articles to be last in each row of the body (G) by raising the upstream end of the oscillating roller conveyor (9030), the upstream end of the oscillating roller conveyor (9030) is lowered. By doing so, a plurality of rows of articles (G) are knitted into an aggregate composed of a plurality of rows.

Hereinafter, an article (G) having a length of 300 mm is conveyed at a substantially constant pitch, for example, a 0.5 second pitch, for each inclined conveyor (9010), and reaches the knitting conveyor (9020). Description will be made based on an embodiment in which the articles are knitted into an aggregate of 30 articles (G) having 5 rows and are charged into the packing container (C) in an arrangement of 6 rows × 5 columns as shown in FIG. I do. The articles (G) that have reached the knitting conveyor (9020) are further conveyed on the knitting conveyor (9020) at intervals in each row, and the articles (G) placed five by one in the width direction are Knitting conveyor (902
It is conveyed in the direction of the oscillating roller conveyor (9030) while being shifted in width by a side guide (9021) composed of an endless round belt (9211) that rotates in the same direction as in (0). The photoelectric switch (9022) provided at the upstream end of the knitting conveyor (9020) so as to correspond to each inclined conveyor (9010) detects that the corresponding rows of articles (G) pass one after another. (In FIG. 7, one inclined conveyor (901)
Only the operation of the photoelectric switch (9022) corresponding to 0) is shown).

Five photoelectric switches (902) provided corresponding to the respective inclined conveyors (9010).
When any of 2) detects the passage of the article (G) that has arrived at the top of the knitting conveyor (9020), the interrupt mask is turned on, and the swing roller conveyor ( 9030) is raised at the upstream end,
Further, the swing roller conveyor (9) is delayed for a certain time (T2).
030) is lowered so that the article (G) that reaches the knitting conveyor (9020) in each row at the head is a rocking roller conveyor (9030).
Is temporarily stopped at the raised upstream end portion, the arrival time difference of each row is absorbed, and the leading articles (G) in each row are aligned in a horizontal row. ) To be knitted into an aggregate composed of a plurality of rows.
In this embodiment, T1 indicates that the article (G) is moved from the position of the photoelectric switch (9022) to the swing roller conveyor (903).
Since the time required to reach the upstream end of 0) is 0.1 second shorter than the time required to reach the upstream end and T2 is 0.3 second,
Arrival time of the article (G) that first reaches the knitting conveyor (9020) first and the article (G) that first reaches the knitting conveyor (9020) in another row, which is caused by slipping of the separation conveyor (9006). If the deviation is within 0.2 seconds, the first article (G) in each row
Can be aligned horizontally.

Thus, the first article (G) constituting the next assembly arrives at the knitting conveyor (9020) because the first article (G) constituting the previous assembly is calculated. Since it is 3 seconds (0.5 second pitch × 6 pieces) after reaching the knitting conveyor (9020), 2.8 which is 0.2 seconds before that.
Seconds later (at this time, the photoelectric switch (9022) detects the sixth article (G)), the interrupt mask is turned off, and the first article (G) constituting the next assembly is moved to the knitting conveyor ( 9020). After the interrupt mask is turned off, each inclined conveyor (901)
0), one of the five photoelectric switches (9022) provided corresponding to the knitting conveyor (902).
Upon detecting the passage of the article (G) arriving at the top at 0),
The interrupt mask is turned on again, and for a certain time (T
1) The upstream end of the oscillating roller conveyor (9030) is raised with a delay, and further, the upstream end of the oscillating roller conveyor (9030) is lowered with a delay of a certain time (T2), so that a plurality of rows of articles ( G) is organized into an aggregate consisting of a plurality of columns. That is, after the interruption mask is turned off, the upstream side of the article (G) that has reached the knitting conveyor (9020) at the beginning is controlled to be the next aggregate.

Further, after the interrupt mask is turned on, a certain time (T3) is delayed and an article loading device (80) described later is used.
00) is forcibly driven at a high speed instantaneously from the stopped state and immediately switched to a low speed. Note that T3 indicates that the leading article (G) constituting the next (subsequent) assembly is a knitting conveyor (90).
This is the time from when the item (20) is reached until all the articles (G) constituting the preceding (preceding) assembly are completely charged into the packing container (C).

As described above, the article (G), which is the last article of the preceding assembly and the article which is the first article of the subsequent assembly, are moved up and down the upstream end of the oscillating roller conveyor (9030). (G), a gap is formed between them, but the articles (G) are shifted from row to row and the swing roller conveyor (9) is shifted.
030), it is detected whether or not the last article (G) of the preceding aggregate has passed within a predetermined time, and at the same time, the first article (G) of the subsequent aggregate is determined to have passed the predetermined time. By detecting whether they arrived within
It is checked whether or not each assembly is formed normally, and if an abnormality is detected, the main line (7002) to
The article supply conveyor (8002) is stopped. That is, as shown in FIG.
030) before the upstream end of the swing roller conveyor (9030) is lowered (knitting failure monitoring timing) after a lapse of a predetermined time (T4) after the upstream end of the upstream switch (030) rises. If the passage delay of the last article (G) of the aggregate to be detected is detected or the early arrival of the first article (G) of the subsequent aggregate is detected, the aggregate is not formed normally (abnormality). ) As the main line (700
2)-The article supply conveyor (8002) is controlled to stop. After the upstream end of the oscillating roller conveyor (9030) has risen for a certain period of time (T4), the last of the normally formed preceding assembly is the photoelectric switch (903).
It is the longest time to pass 1).

FIG. 8 is an enlarged perspective view of the article loading device (8000) shown in FIG. 1, and FIGS.
13 is an explanatory view of the operation of the article input device (8000) shown in FIG. 8, where (8001) is configured to transport the (loading) container (C) in an inclined direction (substantially vertical), and A container transport conveyer provided with an endless rotating body with a claw driven at two transport speeds, comprising a pair of container transport chutes (8011) and a pair of container transport chutes (80
11) A container forced transport device (8012) in which six claws (8122) are attached to a pair of endless rotating bodies (8121) disposed therebetween, and are disposed above a pair of container transport chutes (8011). A pair of container regulation guides (8013),
An unillustrated transmission (8014) including an inverter and the like are provided, and the endless rotating body (812) is
1) can be shifted to two preset conveying speeds. Reference numeral (8002) denotes an article supply conveyor configured to supply articles (G) in a direction substantially parallel to the front wall (C1) of the container (C) transferred by the container transfer conveyor (8001), This is an inclined belt conveyor arranged so that articles (G) discharged from the article supply conveyor (8002) can be loaded by gravity in a direction substantially parallel to the front wall (C1) of the container (C). Also, (8
003) is a container carry-in conveyor composed of a belt conveyor,
(8004) is a container unloading conveyor composed of a belt conveyor. Thus, each inclined conveyor (901)
0), and are conveyed at an interval for each knitting conveyor (9).
020) An article (G) to be the first in each of a plurality of rows of a plurality of rows of articles (G) conveyed at intervals for each row, and a preceding set After separating the articles to be last in each row of the body (G) by raising the upstream end of the oscillating roller conveyor (9030), the upstream end of the oscillating roller conveyor (9030) is lowered. Then, the knitted articles (G) are put into the container (C) that is moving downward at a stacking speed substantially equal to the moving speed of the container (C), and the articles (G) are knitted. ) Are put into the container (C) in an aligned state so as to be stacked, and after the container (C) in which the article (G) is put and the next container (C) are temporarily stopped. , The next container (C) is being charged At high speed than the moving speed of the (C), it is no to be moved to a position capable of introducing the article (G).

That is, as shown in FIGS. 9, 10, 11, 12, and 13, five rows are arranged in the width direction at a substantially constant pitch, for example, a 0.5 second pitch, on the article supply conveyor (8002). An article (G) having a thickness of 300 mm and a thickness of 50 mm is moved in the direction of the container (C) by the article supply conveyor (8002). On the other hand, the container (C) is a container carrying conveyor (800
By 3), it is sequentially supplied to the container transport chute (8011), slides on the container transport chute (8011), and is supplied to the container forced transport device (8012). Note that FIGS.
Reference numerals 0, 11, 12, and 13 show embodiments in which articles (G) knitted in 4 rows × 5 columns are put into the container (C). When the container (C) is transferred from the container transport chute (8011) to the container forced transport device (8012) (see FIG. 9), the container forced transport device (8012) is driven at a low speed. .

The container (C) transferred to the container forced transfer device (8012) was transferred at a low speed in conjunction with the transfer of the container (C) into which the article (G) was being loaded, as described later. Thereafter, the article (G) is transported to a position where the article (G) is to be loaded by repeating the low-speed transport, the pause, and the high-speed transport again after being transported at a higher speed.

When the container (C) is moved to the article loading start position, the transport speed of the container forcible transport device (8012) switches from high speed to low speed, and the article supply conveyor (80).
02), the articles (G) continuously supplied by 5 are put downwardly at a low speed into the container (C) moving at a low speed, and the inputted articles (G) are aligned with the container (C). It is stored in a state. The transfer speed of the container forced transfer device (8012) when the article (G) is put into the container (C),
That is, the moving speed of the container (C) is equal to or slightly higher than the stacking speed of the articles (G) to be charged, 50 mm / 0.5 seconds = 6 m / min in this embodiment, for example, 6
７7 m / min. However, when the fourth-stage article (G) is put into the container (C), the container forcible transport device (8012) is stopped. That is, the final article (G)
When the container (C) arrives at the position where the container is put, the claw (8122) attached to the endless rotating body (8121) is detected by a detector arranged at a predetermined position, and the container forced transport device (8012) is moved. It pauses and waits until the final article (G) has been loaded (see FIG. 10).

When the final article (G) is put into the container (C), the container forcible conveyance device (8012) is driven at a high speed, and the next set continuously supplied by the article supply conveyor (8002). After the container (C) is transported to a position (see FIG. 11) where the article (G) forming the body can be thrown slightly above the front wall (C1) of the next container (C), the container is forcibly transported. The transport speed of the device (8012) switches from the high speed to the low speed, and the articles (G) are sequentially put into the next container (C) as described above. FIG. 14 is an explanatory view showing an example of a state in which the transport speed of the container forced transport device (8012) is changed. When the final article (G) is put into the container (C),
The container forced transport device (8012) is driven at a high speed instantaneously from the stopped state, and is immediately switched to a low speed.

The container (C) into which the article (G) has been put is released from the container forcible conveying device (8012), slides again on the container conveying chute (8011) (see FIG. 12), and the container unloading conveyor (8004). (See FIG. 13) to be sent to the next step. When the container (C) is changed from the inclined state to the horizontal state, the twenty articles (G) put into the container (C) are arranged in a standing state from a stacked state.

As described above, the method for inspecting an assembly according to the present invention has been described together with the embodiment of the equipment for loading and unloading articles suitable for carrying out the method. However, the method for inspecting an assembly according to the present invention is not limited thereto. For example, the size of the article (G) may be different for each product type.

The method for inspecting an aggregate of the present invention can also be applied to the inspection of an aggregate formed by a plurality of articles (G) conveyed in a line.

[0051]

As described above, the method for inspecting an aggregate according to the present invention detects whether or not the last article of the aggregate has passed within a predetermined time, thereby forming the aggregate normally. It can be checked whether it has been done.

[Brief description of the drawings]

FIG. 1 is a perspective view showing one embodiment of an article packing apparatus.

FIG. 2 is different from the article storage and packing apparatus shown in FIG. 1 in the number of rows of gravity roller conveyors and the arrangement of mainstream lines,
The other points are perspective views of the article storage and packing apparatus which is substantially the same as the article storage and packing apparatus shown in FIG.

FIG. 3 is an enlarged perspective view of a front end portion of the gravity roller conveyor shown in FIG. 2;

FIG. 4 is an elevational view of a fluidized shelf formed by arranging a total of 130 gravity roller conveyors in 26 rows in a direction along a main flow line and 5 stages vertically.

FIG. 5 is an enlarged perspective view substantially the same as the inclined conveyor, the knitting conveyor, the stopper, and the like shown in FIG. 1 except that the knitting conveyor is different from that shown in FIG. 1;

FIG. 6 is an explanatory diagram of operations of the inclined conveyor, the knitting conveyor, the stopper, and the like shown in FIG.

FIG. 7 is a time chart of the operation of the inclined conveyor, knitting conveyor, stopper, and the like shown in FIG. 6;

FIG. 8 is an enlarged perspective view of the article feeding device shown in FIG.

9 is an explanatory diagram of an operation of the article input device shown in FIG.

FIG. 10 is an explanatory diagram of the operation of the article loading device shown in FIG.

FIG. 11 is an explanatory view of the operation of the article input device shown in FIG. 8;

FIG. 12 is an explanatory diagram of the operation of the article loading device shown in FIG. 8;

FIG. 13 is an explanatory diagram of an operation of the article input device shown in FIG. 8;

FIG. 14 is an explanatory diagram illustrating an example of a state in which the transport speed of the container forced transport device is changed.

FIG. 15 is a control block diagram of an inspection system suitable for implementing an article inspection method.

FIG. 16 is an explanatory diagram showing an example of inspection data from a higher-level CPU.

FIG. 17 is an explanatory diagram showing an example of an actual article presence / absence pattern on the first main stream line from the bottom.

[Explanation of symbols]

 9020 knitting conveyor 9030 stopper (oscillating roller conveyor) 9031 photoelectric switch G article

Claims (2)

(57) [Claims] 1. A method for inspecting an aggregate formed by a plurality of articles which are continuously conveyed, wherein the article at the head of the aggregate is temporarily stopped and retracted after a predetermined time. The assembly is formed normally by detecting whether or not the last article of the assembly has passed the position where the stopper is provided within a predetermined time. A method for inspecting an aggregate, wherein the method is adapted to inspect whether or not the aggregate is present. 2. A method for inspecting an aggregate formed by a plurality of articles continuously conveyed, wherein a strike at a head of the aggregate is temporarily stopped and retracted after a predetermined time. A stopper, and detects whether or not the last article of the assembly has passed the position where the stopper is provided within a predetermined time, and the first article of the subsequent assembly Detecting whether or not the assembly has been formed normally by detecting whether or not the stopper has arrived at the position where the stopper is provided within a predetermined time. An inspection method for an aggregate.