JP7257775B2 - Article inspection equipment - Google Patents

Description

The present invention provides an article comprising a conveying device that conveys an object, a warehouse that stores the object conveyed by the conveying device, and an inspection device that inspects the object conveyed by the conveying device. Regarding inspection equipment.

The background art will be described below. In the following description, the symbols or names in parentheses are the symbols or names in the prior art documents. A conventional example of such article inspection equipment is described in Japanese Patent Application Laid-Open No. 2002-211719 (Patent Document 1). The article inspection equipment of Patent Document 1 includes a conveying device (cargo conveying line 23) that conveys an object, a warehouse (automatic warehouse 1) that stores the object conveyed by the conveying device, and an object conveyed by the conveying device. and an inspection device for inspecting an object. The object is a pallet and a group of items placed on the pallet. The inspection device includes a total weight measuring device 5 for measuring the weight of the object, and based on the total measured weight measured by the total weight measuring device 5 and the weight of one item in the warehousing schedule data 4, the object and the number of articles in the warehousing schedule data match or not. If the number of articles in the target object and the number of articles in the warehousing schedule data match, the conveying device conveys the article to the warehouse, and if they do not match, it does not convey the article to the warehouse.

Japanese Patent Application Laid-Open No. 2002-211719

In the article inspection facility described above, it is necessary to acquire in advance information indicating the type, weight and number of articles in the object to be carried into the article inspection facility as the warehousing schedule data 4 . Such warehousing schedule data 4 is input when the object is brought in from the customer. If such warehousing schedule data is not input, the object cannot be inspected. rice field. Further, in the above article inspection equipment, it is determined whether or not the number of articles in the target object matches the number of articles in the warehousing schedule data. However, since the weight of an article changes, for example, depending on when it is dry and when it is wet, or when the amount of packing material is different, there is a difference between the pre-stored weight of the article and the actual article. There may be an error with the weight of Therefore, when comparing the measured total weight measured by the total weight measuring device 5 and the virtual total weight calculated from the weight of one article in the storage schedule data 4, errors accumulate as many as the number of articles in the object. In some cases, the number of items in the object cannot be determined properly, and the object cannot be properly inspected.

Therefore, it is desired to realize an article inspection facility capable of appropriately inspecting a pallet and a group of articles placed on the pallet.

In view of the above, the characteristic configuration of the article inspection equipment includes a conveying device that conveys an object, a warehouse that stores the object conveyed by the conveying device, and an inspection of the object conveyed by the conveying device. and an inspection device, wherein the objects are a pallet and a group of articles placed on the pallet, and an identification information holding unit that holds identification information of the articles constituting the group of articles in a readable state from the outside. wherein the group of articles is configured such that a plurality of articles of the same type are stacked on the pallet in multiple stages, and the number of articles on each stage is the same , and the inspection device is configured to increase the height of the group of articles a height detection unit for detecting height, a weight detection unit for detecting the weight of the group of articles, a reading unit for reading the identification information held by the identification information holding unit, a storage unit, and a determination unit. The storage unit stores, for each product type of a plurality of types of products, product height information indicating the height of each product, product weight information indicating the weight of each product, and each stage of the product group. stipulated number of articles information indicating the number of stipulated articles is stored in association with information indicating the kind of article, and the determining section determines the article types of the articles constituting the article group based on the identification information read by the reading section; and determining the determined article type as a judgment type, based on the height of the article group detected by the height detection unit and the article height information of the judgment type, the articles constituting the article group the number of stages of the determined article, the specified article number information of the judgment type, the article weight information of the judgment type, the weight of the article group detected by the weight detection unit, Based on the above, the number of articles is determined by determining whether or not the number of articles in each stage of the article group matches the specified number of articles indicated in the specified number of articles information, and the conveying device determines the number of articles The object is transported to the warehouse when it is determined that the number of articles matches, and is not transported to the warehouse when it is determined that the number of articles does not match.

According to this characteristic configuration, the storage unit stores the article height information, the article weight information, and the specified number of article information for each article type of a plurality of article types in association with the information indicating the article type. ing. Therefore, even if the information about the object is not acquired when the object is carried into the object inspection equipment, the object type of the object constituting the object group is determined based on the identification information read by the reading unit, and the object is inspected. Product height information, product weight information, and prescribed product quantity information for each type can be obtained.
Then, the judging section judges the number of stages of the articles constituting the article group based on the height of the article group detected by the height detecting section and the height information of the article to be judged, Based on the article number information, article weight information, and the weight of the article group, it is determined whether or not the number of articles in each stage of the article group matches the prescribed number of articles indicated in the prescribed article number information. Therefore, according to this configuration, it is possible to appropriately inspect whether or not the number of items in the group of items placed on the pallet is appropriate even if there is no storage schedule data indicating the scheduled number of items to be stored in the warehouse. .

Plan view of goods inspection equipment Perspective view of the first conveyor Control block diagram Inspection control flow chart Inspection process flow chart

1. Embodiment An embodiment of article inspection equipment will be described based on the drawings.
As shown in FIG. 1, the article inspection equipment includes a first conveyor 1, a second conveyor 2 and a third conveyor 3 for conveying the objects WP, an automated warehouse 4 for storing the objects WP, and a and a carriage 5 for conveying the article W as an object.

The first conveyor 1 is used as a carrying-in conveyor for carrying objects WP brought in from the outside. The second conveyor 2 and the third conveyor 3 are used as a carry-in conveyor for carrying objects WP brought in from the outside and as a carry-out conveyor for carrying objects WP to be carried out to the outside. In FIG. 1, the direction of conveyance of each conveyor is indicated by an arrow.

The objects WP conveyed by the first conveyor 1 , the second conveyor 2 and the third conveyor 3 are stored in the automated warehouse 4 via the carriage 5 . Objects WP discharged from the automated warehouse 4 are conveyed to the second conveyor 2 or the third conveyor 3 via the carriage 5 . Among the objects WP conveyed by the first conveyor 1 , objects WP that are not stored in the automated warehouse 4 are conveyed to the second conveyor 2 or the third conveyor 3 via the carriage 5 . The first conveyor 1 and the carriage 5 constitute a conveying device 11 that conveys the object WP. Also, the automated warehouse 4 corresponds to a warehouse that stores the objects WP transported by the transport device 11 .

As shown in FIG. 2, the object WP is a pallet P and a group of articles G placed on the pallet P. As shown in FIG. The target object WP has an identification information holding section A that holds identification information of the articles W constituting the article group G in a state that the identification information can be read from the outside. The article group G is composed of a plurality of articles W of the same type stacked on a pallet P in multiple stages. In this embodiment, the number of articles in each of the multiple tiers in the article group G stacked on the pallet P is the same. Further, in the present embodiment, the identification information storage unit A displays the identification information as a bar code, and uses the JAN code as the identification information. Each of the plurality of articles W constituting the article group G is provided with an identification information holding portion A at a position on the side of the article group G by pasting or printing.

As shown in FIG. 1, the automated warehouse 4 includes an article storage shelf 7 having a plurality of storage units 6 for storing objects WP, and an incoming conveyor 8 for transporting the objects WP entered into the automated warehouse 4. and a delivery conveyor 9 for transporting the object WP to be delivered from the automated warehouse 4, and the object WP is transported between the goods storage shelf 7, the incoming conveyor 8, and the outgoing conveyor 9 while traveling on the floor surface. and a stacker crane 10 for carrying out.

The first conveyor 1 is a conveyor for conveying objects WP to be automatically inspected by an inspection device 13, which will be described later. The 2nd conveyor 2 and the 3rd conveyor 3 are conveyors which convey the target object WP inspected by the operator. As shown in FIG. 2, with respect to the first conveyor 1, the object WP has a height detection device 14 for detecting the height of the object WP, a weight detection device 15 for detecting the weight of the object WP, and a A reading device 16 as a reading unit for reading the identification information holding unit A is provided. In this embodiment, an area sensor is used as the height detection device 14 and a barcode reader is used as the reading device 16 .

The article inspection equipment includes an inspection device 13 (see FIGS. 1 and 2) for inspecting the object WP conveyed by the first conveyor 1, the first conveyor 1, the second conveyor 2, the third conveyor 3, the automatic warehouse 4, a control device H (see FIG. 3) that controls the carriage 5 and the inspection device 13 is provided. As shown in FIGS. 2 and 3, the inspection device 13 includes a height detection unit 21 for detecting the height of the product group G, a weight detection unit 22 for detecting the weight of the product group G, an identification information holding unit A A reading device 16 for reading identification information held by the device, a storage unit 17, and a determination unit 18 are provided. In this embodiment, the storage unit 17 is configured by a recording medium such as a hard disk provided in the control device H, and the determination unit 18 is provided in the control device H in the form of a program.

The storage unit 17 stores article height information indicating the height of each article W for each article type of articles W (a plurality of types of articles W) scheduled to be carried into the article inspection facility; Item weight information indicating the weight of each item W and specified item number information indicating the specified number of items in each stage in the item group G are stored in association with type information indicating the type of item. The number of articles in each stage in the article group G is predetermined according to the type of articles W constituting the article group G. are stored in the storage unit 17 in association with.

Further, the storage unit 17 stores pallet height information indicating the height of the pallet P and pallet height information for each item type of each item W (a plurality of types of items W) expected to be carried into the item inspection equipment. Pallet weight information indicating the weight of P is stored in association with the type information of article W. FIG. The type of the pallet P for the target object WP is predetermined according to the type of the articles W in the target object WP, and the height and weight of the pallet P corresponding to the predetermined type of the pallet P are determined. Pallet height information and pallet weight information are stored in the storage unit 17 in association with the type information.

The height detection unit 21 detects the height of the article group G. FIG. In this embodiment, the height detection unit 21 detects the overall height of the object WP, and subtracts the height of the pallet P indicated by the pallet height information from the overall height of the object WP. , the height of the goods group G is detected. More specifically, the height detection device 14 detects the overall height of the object WP, and the control device H stores the height of the object WP detected by the height detection device 14 in the storage unit 17. The height of the goods group G is detected by subtracting the height of the pallet P indicated by the pallet height information stored in . In other words, the height detection unit 21 is composed of the height detection device 14 and the control device H in this embodiment.

The weight detection section 22 detects the weight of the article group G. FIG. In this embodiment, the weight detection unit 22 detects the weight of the entire object WP, and subtracts the weight of the pallet P indicated in the pallet weight information from the weight of the entire object WP, thereby Detect weight. More specifically, the weight detection device 15 detects the weight of the entire object WP, and the control device H detects the weight of the entire object WP detected by the weight detection device 15, and stores the weight in the storage unit 17. The weight of the goods group G is detected by subtracting the weight of the pallet P indicated by the existing pallet weight information. In other words, the weight detection unit 22 is composed of the weight detection device 15 and the control device H in this embodiment.

The judging unit 18 first judges the article type of the articles W constituting the article group G based on the identification information read by the reading device 16, and sets the judged article type as the judgment type. Next, the determining section 18 determines the number of stages of the articles W constituting the article group G based on the height of the article group G detected by the height detecting section 21 and the article height information of the determination type. Next, the judging unit 18 determines the number of tiers of the articles W determined, information on the specified number of articles of the judgment type, information on the weight of articles of the judgment type, and the weight of the article group G detected by the weight detection unit 22. Then, an item number determination is performed to determine whether or not the number of items in each stage of the item group G matches the specified number of items indicated in the specified number of items information.

If the determination unit 18 determines that the number of articles matches, the determination unit 18 calculates the number of articles transported to the warehouse based on the determined number of stages of the articles W and the specified number of articles information of the determined type. It is registered in the control device H by storing it in the storage unit 17 of the control device H as the number of articles in the article group G in the target object WP. The number of articles is stored in the storage unit 17 in association with the type information of the article W and the position information indicating the position where the object WP is stored in the automated warehouse 4 . Note that the control device H corresponds to a warehouse receipt management system.

If the determining unit 18 determines that the number of articles matches, it controls the first conveyor 1, the carriage 5, and the automated warehouse 4 so that the determined object WP is stored in the automated warehouse 4. . Further, when it is determined that the number of articles does not match, the control device H causes the first conveyor 1, the carriage 5, and the second conveyor 1 to carry out the determined object WP from the article inspection equipment to the outside. It controls the conveyor 2 or the third conveyor 3. In this way, the conveying device 11 (the first conveyor 1 and the carriage 5) conveys the target object WP to the automated warehouse 4 when it is determined that the number of articles matches, and If it is determined that there is no product, the product is not transported to the automated warehouse 4.

Next, inspection control in which the determination unit 18 inspects the target object WP as described above will be described based on the flowcharts shown in FIGS. 4 and 5. FIG. As shown in the flowchart of FIG. 4, in inspection control, when the control device H receives detection information detected by the height detection device 14, the weight detection device 15, and the reading device 16 (S1), reference processing is executed. (S2). In this reference process, based on the identification information read by the reading device 16, the article type of the article W constituting the article group G is determined, and information on the determined determination type (article height information, article weight information, regulation number of articles information, pallet height information, and pallet weight information) are acquired from the storage unit 17. In addition, the object WP whose identification information cannot be read by the reading device 16 because the object WP does not have the identification information holding portion A or the identification information holding portion A is soiled, etc., and the determined article type If the information is not stored in the storage unit 17, it is determined that the object WP is not a warehousing object.

After acquiring the information about the product type by the reference process, next, the inspection process is executed (S3). In this embodiment, as shown in the flowchart of FIG. 5, the inspection process includes weight processing (S31), height processing (S32), step number determination processing (S33), step number processing (S34), and comparison processing (S35). are executed sequentially. In the weight processing, the weight of the goods group G is determined by subtracting the weight of the pallet P indicated by the pallet weight information from the weight of the entire object WP detected by the weight detection device 15 . In the height processing, the height of the goods group G is detected by subtracting the height of the pallet P indicated by the pallet height information from the overall height of the object WP detected by the height detection processing. In the step number determination process, the height of the article group G detected in the height process is divided by the height of the article W indicated by the article height information, and the number of articles W constituting the article group G is determined.

In the tier number processing, the weight of the article group G detected by the weight processing is divided by the product of the number of tiers of the articles W determined by the tier number processing and the weight of each article W indicated in the article weight information of the determination type. to determine the average number of articles per shelf. In the comparison process, when the difference between the average number of articles determined in the number of stages process and the specified number of articles is equal to or less than a specified threshold value, it is determined that the number of articles matches in the determination of the number of articles, and the object WP to be stored is determined. do. In addition, in the comparison process, when the difference between the average number of articles determined in the number of stages processing and the specified number of articles exceeds a specified threshold value, it is determined that there is no match in the number of articles determination, and the object WP that is not subject to warehousing is determined. I judge. In this embodiment, the difference between the average number of articles and the specified number of articles is used as the deviation of the threshold. Note that the ratio between the average number of articles and the specified number of articles may be used as the deviation of the threshold.

As shown in the flowchart of FIG. 4, when the target object WP is determined to be subject to warehousing in the reference process and the inspection process (S4: Yes), the target object WP determined to be subject to warehousing is stored in the automated warehouse 4. The processing is executed (S5) to transport the target object WP to the automated warehouse 4, and the registration processing is executed (S6) to associate the number of articles, type information, and position information of the article group G in the target object WP. registered in the control device H in the state of Further, when the object WP is determined not to be a storage object in the reference process or the inspection process (S4: No), the carry-out process is executed (S7) to carry out the object WP from the article inspection equipment to the outside.

2. Other Embodiments Next, other embodiments of the article inspection equipment will be described.

(1) In the above embodiment, the weight of the article group G is divided by the product of the number of stages of the articles W and the weight of the articles W indicated by the article weight information to determine the average number of articles per stage. By comparing the average number of items with the specified number of items indicated by the specified number of items information, it is determined whether or not they match based on the number of items in each stage of the item group G and the specified number of items. method is not limited to this. For example, the number of tiers of articles W, the specified number of articles indicated by the specified number of articles information, and the weight of articles W indicated by article weight information are multiplied to determine the theoretical article group weight, which is the specified weight of the article group G corresponding to the number of tiers. , the theoretical article group weight and the actual weight of the article group G may be compared to determine whether or not the number of articles in each stage of the article group G matches the specified number of articles.

(2) In the above embodiment, the pallet height information and the pallet weight information are stored in association with the article type information for each article type of a plurality of types of articles W. FIG. However, one or both of the pallet height information and the pallet weight information need not be stored in advance. In this case, for example, the height detection device 14 may detect only the height from the upper surface of the pallet P to the upper end of the object WP, that is, the height of the article group G only. Alternatively, the weight detection unit 22 may detect the weight of the article group G by subtracting a constant value as the weight of the pallet P from the weight of the entire object WP detected by the weight detection device 15 .

(3) In the above embodiment, when it is determined that the number of items does not match, the transport device 11 transports the target object WP out of the item detection equipment and not to the automated warehouse 4. made it However, the configuration in which the object WP is not transported to the automated warehouse 4 is not limited to this. For example, when it is determined that the number of items does not match, the transport device 11 may be stopped so that the target object WP is not transported to the automated warehouse 4 . When the conveying device 11 is stopped in this manner, an error notification is performed by activating the notification unit composed of a buzzer, lamp, etc. The occurrence of the object WP may be notified to surrounding workers.

(4) In the above embodiment, when it is determined that the number of articles matches, the calculated number of articles is used as the number of articles of the article group G in the target object WP transported to the automated warehouse 4, and management of warehousing is performed. Although the configuration registered in the control device H constituting the system has been described as an example, it is not limited to this. For example, the information on the number of articles in the article group G determined by the article number determination may be used only for checking whether or not to transport the articles to the automated warehouse 4 . In this case, the number of items in the item group G may be registered in the controller H manually by the operator.

(5) In the above-described embodiment, the identification information storage unit A displays the identification information using a barcode as an example, but the present invention is not limited to this. For example, it is preferable that the identification information holding unit A is configured as a data storage device having a communication function such as an IC tag, and includes the identification information as data that can be read by communication. Further, in the above-described embodiment, the identification information holding unit A is provided in each article constituting the article group G, but is not limited to this. For example, the identification information holding unit A It may be provided on the pallet P.

(6) It should be noted that the configurations disclosed in the respective embodiments described above can also be applied in combination with configurations disclosed in other embodiments, as long as there is no contradiction. Regarding other configurations, the embodiments disclosed in this specification are merely examples in all respects. Therefore, various modifications can be made as appropriate without departing from the scope of the present disclosure.

3. Outline of the above-described embodiment An outline of the article inspection equipment described above will be described below.

An article inspection facility comprises a transport device that transports an object, a warehouse that stores the object transported by the transport device, and an inspection device that inspects the object transported by the transport device, The target object is a pallet and a group of articles placed on the pallet, and an identification information holding unit that holds identification information of the articles constituting the article group in a readable state from the outside, and the article group is: A plurality of articles of the same type are stacked in multiple stages on the pallet, and the inspection device includes a height detection unit for detecting the height of the group of articles, and a weight detection unit for detecting the weight of the group of articles. a reading unit for reading the identification information held by the identification information holding unit; a storage unit; and a determination unit. Item height information indicating the height of an item, item weight information indicating the weight of each item, and specified item number information indicating the specified number of items in each stage in the item group are stored in association with information indicating the item type. and the determining unit determines the type of the item constituting the item group based on the identification information read by the reading unit, and detects the determined type of the item as a determination type by the height detecting unit. Based on the determined height of the product group and the height information of the product of the determination type, the number of steps of the products constituting the product group is determined, and the number of steps of the determined product and the specified product of the determination type are determined. The number of articles in each stage of the article group is indicated in the prescribed article number information based on the number information, the article weight information of the determination type, and the weight of the article group detected by the weight detection unit. The number of articles is determined to determine whether or not the number of articles matches the specified number of articles, and the conveying device conveys the objects to the warehouse when it is determined that the number of articles matches the number of articles. , if it is determined that the number of items does not match in the determination of the number of items, the items are not transported to the warehouse.

According to this configuration, the storage unit stores the item height information, the item weight information, and the prescribed number of items information for each item type of a plurality of types of items in association with the information indicating the item type. there is Therefore, even if the information about the object is not acquired when the object is carried into the object inspection equipment, the object type of the object constituting the object group is determined based on the identification information read by the reading unit, and the object is inspected. Product height information, product weight information, and prescribed product quantity information for each type can be obtained.
Then, the judging section judges the number of stages of the articles constituting the article group based on the height of the article group detected by the height detecting section and the height information of the article to be judged, Based on the article number information, article weight information, and the weight of the article group, it is determined whether or not the number of articles in each stage of the article group matches the prescribed number of articles indicated in the prescribed article number information. Therefore, according to this configuration, it is possible to appropriately inspect whether or not the number of items in the group of items placed on the pallet is appropriate even if there is no storage schedule data indicating the scheduled number of items to be stored in the warehouse. .

Here, in the storage unit, pallet height information indicating the height of the pallet and pallet weight information indicating the weight of the pallet are stored for each article type of a plurality of types of articles, indicating the article type. information, and the height detection unit detects the overall height of the object and calculates the height of the pallet indicated by the pallet height information from the overall height of the object. By subtracting, the height of the group of articles is detected, and the weight detection unit detects the weight of the entire object, and the weight of the pallet indicated in the pallet weight information from the weight of the object. Preferably, the weight of the group of articles is determined by weight subtraction.

According to this configuration, even if the height and weight of the pallet used differ depending on the type of article to be placed, the pallet height information stored in association with the type information is obtained from the overall height of the object. By subtracting the height of the pallet that is stored, the height of the group of items can be properly detected. Also, by subtracting the pallet information indicated in the pallet weight information stored in association with the type information from the weight of the entire object, the weight of the group of articles can be appropriately detected.

In addition, when the determination unit determines that the number of articles matches, the determination unit calculates the number of articles calculated based on the number of stages of the determined articles and the specified number of articles information of the determined type as follows: It is preferable to register the number of items in the item group in the object transported to the warehouse in a warehousing management system of the warehouse.

According to this configuration, the number of articles calculated by the determination unit can be automatically registered in the warehouse management system, so the labor for registering the number of articles is simplified compared to the case where the worker manually registers the number of articles. can do.

Further, the determination unit multiplies the weight of the group of items detected by the weight detection unit by the number of layers of the determined item and the weight of each item indicated in the item weight information of the determination type. If the difference between the average number of articles and the prescribed number of articles is equal to or less than a prescribed threshold value, it is judged that they match in the judgment of the number of articles. preferred.

According to this configuration, it is possible to determine whether or not the number of articles coincides by determining whether the deviation between the average number of articles per row and the prescribed number of articles is equal to or less than the threshold value. Therefore, even if there is no warehousing schedule data indicating the number of warehousing schedules, it is possible to appropriately inspect whether or not the number of articles in the palletized group of articles is appropriate.

The technology according to the present disclosure can be used in an inspection device that inspects the object transported by the transport device.

4: Automated warehouse (warehouse)
11: Conveying device 13: Inspection device 16: Reading device (reading unit)
17: storage unit 18: determination unit 21: height detection unit 22: weight detection unit A: identification information storage unit G: goods group P: pallet W: goods WP: object

Claims (4)

An article inspection facility comprising: a conveying device for conveying an object; a warehouse for storing the object conveyed by the conveying device; and an inspection device for inspecting the object conveyed by the conveying device. hand,
The target object is a pallet and a group of articles placed on the pallet, and an identification information holding unit that holds identification information of the articles constituting the article group in a readable state from the outside,
The group of articles is configured such that a plurality of articles of the same type are stacked on the pallet in multiple stages, and the number of articles on each stage is the same ,
The inspection device includes a height detection unit that detects the height of the article group, a weight detection unit that detects the weight of the article group, a reading unit that reads the identification information held by the identification information holding unit, comprising a storage unit and a determination unit,
The storage unit stores article height information indicating the height of each article, article weight information indicating the weight of each article, and the definition of each stage in the article group for each article type of a plurality of types of articles. stipulated article number information indicating the number of articles is stored in association with information indicating the article type,
The determination unit is
Based on the identification information read by the reading unit, the article type of the article constituting the article group is determined, and the determined article type is used as the determination type,
determining the number of tiers of articles constituting the article group based on the height of the article group detected by the height detection unit and the article height information of the determination type;
Based on the number of stages of the determined articles, the specified number of articles information of the judgment type, the article weight information of the judgment type, and the weight of the article group detected by the weight detection unit, the article is detected. performing an article number determination to determine whether or not the number of articles in each stage of the group matches the prescribed number of articles indicated in the prescribed article number information;
The conveying device conveys the target object to the warehouse when the number of articles is determined to match, and does not convey the object to the warehouse when the number of articles is determined to be different. , goods inspection equipment. In the storage unit, pallet height information indicating the height of the pallet and pallet weight information indicating the weight of the pallet are associated with information indicating the article type for each article type of a plurality of types of articles. is stored as
The height detection unit detects the overall height of the object, and subtracts the height of the pallet indicated by the pallet height information from the overall height of the object, thereby detect the height of
The weight detection unit detects the weight of the entire object and subtracts the weight of the pallet indicated in the pallet weight information from the weight of the object, thereby detecting the weight of the group of articles. , The article inspection equipment according to claim 1. When it is determined that the determination of the number of articles matches, the determination section adds the number of articles calculated based on the number of stages of the determined articles and the specified number of articles information of the determined type to the number of articles in the warehouse. 3. The article inspection equipment according to claim 1, wherein the number of articles of said article group in said objects transported to said warehouse is registered in said warehouse's warehousing management system. The determination section divides the weight of the group of articles detected by the weight detection section by a value obtained by multiplying the number of stages of the determined article by the weight of each article indicated in the article weight information of the determination type. determining the average number of articles per row, and determining that there is a match in the determination of the number of articles when the deviation between the average number of articles and the specified number of articles is equal to or less than a specified threshold value, Article inspection equipment according to any one of items 1 to 3.

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