JP5036032B2 - Egg filling equipment - Google Patents

Description

  The present invention is the filling of eggs called “farm packers” in which raw eggs collected in a poultry house (unprocessed eggs) are automatically packed into a predetermined tray in order to ship them to, for example, a sorting and packaging facility. It relates to the device.

  Conventionally, in order to ship a raw egg (untreated egg) collected in a poultry house to, for example, a sorting and packaging facility, an egg filling device called a “farm packer” that automatically packs the raw egg in a predetermined tray is Known (for example, Non-Patent Document 1 and Non-Patent Document 2).

STARCUT INTERNATIONAL B. buoy. (Staalkat International BV), catalog “FP-102S Farmpacker”, (Netherlands) "Ninki Shimbun", published on May 15, 2006, No. 1640, page 6

  The egg filling device disclosed in Non-Patent Document 1 is a transfer mechanism in which an egg conveyed in a double row with a long axis horizontal by a predetermined conveyor is provided at the discharge end of the predetermined conveyor. The transfer mechanism moves downward with the axis line vertical, and then descends while narrowing to the same pitch as the egg storage seat pitch of a predetermined tray waiting downward, and moves to the egg seat of the transfer mechanism. The eggs stored in the tray are collectively filled in the egg storage seats of the tray.

  In addition, the egg filling device disclosed in Non-Patent Document 2 is provided at a predetermined conveyor that transports in a predetermined direction in a double row state with the long axis of the egg being horizontal, and a discharge end of the predetermined conveyor, A transfer mechanism that receives the eggs discharged from the predetermined conveyor and transfers them to a single row conveyor, a discharge mechanism that discharges the eggs conveyed in a predetermined direction by the single row conveyor, and the conveyance of the single row conveyor It is arranged in a direction orthogonal to the direction, and is constituted by a filling and conveying conveyor that fills the tray with the eggs released by the discharging mechanism while tucking and conveying empty trays.

  However, the conventional egg filling apparatus described above has the following problems. That is, the egg filling apparatus described in Non-Patent Document 1 is controlled such that the filling operation of the transfer mechanism is not started unless a predetermined number of eggs (for example, six) are accommodated in the egg seat of the transfer mechanism. ing. For this reason, when there is a vacancy in the transfer mechanism egg seat, the stop time until the vacancy is eliminated becomes a dead time, and the processing capacity of the egg filling device is limited to about 30,000 eggs per unit time. .

  Further, the egg filling apparatus described in Non-Patent Document 2 continues the filling operation of the egg tray without stopping the apparatus even if the egg conveyed by the single-line conveyor is empty. However, the processing capacity of the egg filling apparatus is limited to about 36,000 eggs per unit time, and there is room for improvement in performing further high-speed processing.

  Accordingly, the present invention has been made to solve the above-mentioned problems, and its object is to cope with further high-speed processing without stopping the filling operation of the egg container. An object of the present invention is to provide an egg filling device capable of performing the above-mentioned.

In the invention of the egg filling device according to claim 1, the egg is transported in a predetermined direction by the next conveyor , and the egg is discharged at a predetermined discharge position determined in the transport path of the second conveyor, a filling apparatus of eggs to be packed into container having a plurality of egg receiving seat rows arranged in the conveying direction of the egg a predetermined container waiting immediately below the predetermined discharge position, the next order The conveyor is provided with a plurality of bucket groups at a predetermined pitch that closes the bucket when the egg is received and holds the egg and opens the bucket when the egg is released to release the egg downward. each bucket group comprises a plurality of buckets in the conveyance width direction, the predetermined release position determined in the transport path of the next order conveyer is defined at least two or more positions along the conveying path Cage, a plurality of eggs contained in one bucket groups, as well as collectively released in one discharge position, the egg receiving seat row of said predetermined one container waiting immediately below the discharge position of the one And the other bucket group located immediately after the bucket group that has released the egg at the one release position is the other bucket group without releasing the egg at the one release position. in the discharge position, accommodated with a plurality of eggs at once release has to fill the egg receiving seat rows of the predetermined other one container waiting immediately below the discharge position of the other one, each The container is transported from the state of waiting immediately below each discharge position so that the eggs discharged from the discharge position are sequentially stored in the predetermined egg storage seat row by corresponding tray conveyors. Is moved in a direction along the There is obtained and wherein the fed in a direction intersecting the transport direction of the egg after it has been filled.

The invention of the egg filling method according to claim 2 is a next-order conveyor that conveys an egg in a predetermined direction and discharges the egg at a predetermined discharge position defined in a conveyance path. A plurality of bucket groups are provided at a predetermined pitch for sometimes closing the bucket to hold the egg and opening the bucket to release the egg downward when the egg is released, and each of the multiple bucket groups includes a plurality of bucket groups. A bucket is provided in the conveyance width direction, and the predetermined discharge position defined in the conveyance path is waiting at a next conveyor defined at least two locations along the conveyance path and directly below the predetermined discharge position. In an egg filling apparatus comprising a predetermined storage container and a tray conveyor for transporting the storage container, a plurality of eggs stored in a single bucket group are combined at a single discharge position. A first step of discharging and filling an egg storage seat row of the predetermined one container waiting immediately below the one discharge position; and after the first step, the predetermined one A second step of moving the storage container in a direction along the direction of conveying the eggs so that the eggs released from the one discharge position by the tray conveyor are sequentially stored in the predetermined egg storage seat row; A third step of feeding the one container by a tray conveyor in a direction crossing the egg transport direction after the eggs are filled, and immediately after the bucket group that has released the eggs at the one discharge position by another of bucket groups are located, in another release position without performing the release of eggs release position of the one, a plurality of eggs which accommodates well as collectively release, the other one Release A fourth step of filling the egg storage seat row of the other predetermined storage container waiting immediately below the container; and after the fourth step, the predetermined other storage container is transferred to the tray conveyor. And a fifth step of moving the eggs released from the other one release position in a direction along the conveying direction of the eggs so that the eggs are sequentially stored in the predetermined egg storage seat row, And a sixth step of feeding the other container by a tray conveyor in a direction intersecting with the egg transport direction after being filled.

  As is apparent from the above description, the egg filling device according to the present invention has m (for example, six) egg storage seats formed in the conveying width direction, and accommodates eggs when receiving the eggs. Close the seat and keep the long axis of the egg vertical, open the egg storage seat when releasing the egg, circulate and transport many egg transfer units that release the egg downward, and store in the egg transfer unit At least two or more discharge positions for discharging the eggs in a batch are determined along the transport path of the egg transfer unit.

  Then, m eggs accommodated in one egg transfer unit are collectively discharged at one discharge position, and at the same time, a predetermined storage container (for example, 6 rows 5) waiting directly below the one discharge position. The other egg transfer unit located immediately after the egg transfer unit that has been filled in the row of the egg storage seats of the tray) on which the egg storage seats of the row are formed and has released the eggs at the one release position is: , Without releasing the eggs at the one release position, at the other one release position, the m eggs contained therein are released at the same time, and are waiting just below the other one release position. The egg storage seat row of the predetermined storage container is filled.

  Therefore, it is possible to cope with further high-speed processing without stopping the filling operation of the egg container. Specifically, as compared with a conventional egg filling device, the processing capacity can be increased to 60,000 eggs per unit time.

  Next, as an embodiment of the present invention, an egg filling device T will be described with reference to the accompanying drawings.

  1 is a schematic plan view of an egg filling apparatus T according to an embodiment of the present invention, FIG. 2 is a schematic perspective view of the egg filling apparatus T, and FIG. It is a partial side view. 4 is a perspective view of the egg transfer unit 1 of the egg filling device T, and FIG. 5 is a detailed view of the opening / closing mechanism 4 attached to both ends of the egg transfer unit 1.

  The outline | summary of the egg filling apparatus T concerning this Embodiment is demonstrated. The eggs E (unprocessed raw eggs) are transported in a predetermined direction in a random state by a predetermined conveyor 10, and in the middle of the transport, the eggs E are divided into, for example, six rows in a direction orthogonal to the transport direction. Is done.

  The egg filling device T is disposed in the vicinity of the discharge end of the predetermined conveyor 10, and the eggs E discharged from the predetermined conveyor 10 are sequentially fed by an egg transfer unit 1 that is circulated and conveyed. In the egg storage seat, the long axis is stored vertically, and m (for example, 6) eggs E stored in one egg transfer unit 1 are discharged together at the first discharge position 2 and downward. For example, the egg storage seat row of a predetermined tray V1 in which 6 rows and 5 rows of egg storage seats are formed is filled.

  Further, at the first release position 2, another egg transfer unit 1 located immediately after one egg transfer unit 1 where the release of the egg E has been completed is downstream of the first release position 2. For example, there are 6 rows and 5 rows of egg storage seats that release the m (for example, 6) eggs E that are stored at the second release position 3 defined on the side, and are waiting below. The egg storage seat row of the predetermined tray V2 formed is filled.

  Thereafter, the above operation is alternately repeated at the first discharge position 2 and the second discharge position 3 to complete the filling of the eggs E into the trays V1 and V2.

  As shown in FIG. 1, the egg filling device T is arranged in the vicinity of the discharge end of the predetermined conveyor 10 and in the same direction as the conveying direction of the predetermined conveyor 10.

  The egg filling device T is generally composed of a pair of left and right sprockets arranged in front and rear in the conveying direction (X direction), an endless chain wound around the sprocket (both not shown), and a predetermined pitch on the endless chain. Each of which is composed of a large number (even number) of egg transfer units 1 in which six egg storage seats are formed in the conveying width direction, and the large number of egg transfer units 1 are driven mechanisms (not shown). ).

  In addition, as shown in FIG. 1, the eggs E accommodated in the egg transfer unit 1 are collectively discharged downward at a predetermined position on the transfer path of the egg transfer unit 1 in the egg filling device T. A discharge position 2 and a second discharge position 3 (parts surrounded by a two-dot chain line) are defined.

  Immediately below the first release position 2 and the second release position 3, the six eggs E released from the egg transfer unit 1 are accommodated once in a predetermined egg seat, and the eggs E are accommodated. Known accommodation delivery means (not shown) for feeding the eggs E to the trays V1 and V2 as the egg seat descends while narrowing to the same pitch as the egg accommodation seat pitches of the trays V1 and V2 waiting downward. Is provided.

  Further, as shown in FIGS. 1 and 2, empty trays V1 and V2 are supplied in the Ya direction from the left side toward the paper surface in a direction orthogonal to the conveying direction (X direction) of the egg filling device T. At the same time, the first tray conveyor 5 and the second tray conveyor 6 that send out the tray V1 and the tray V2 that have been filled with the egg E in the Yb direction are arranged.

  Specifically, each of the first tray conveyor 5 and the second tray conveyor 6 has a conveyance path formed in a crank shape, and a three-dimensional structure is provided below the forward path through which the aforementioned many egg transfer units 1 are circulated and conveyed. It is arranged to intersect.

  Next, the egg transfer unit 1 will be described. The egg transfer unit 1 closes the egg storage seat when the egg E is received and holds the egg E with the long axis vertical, and opens the egg storage seat when the egg E is released to release the eggs E all at once. It is.

  As shown in FIG. 4, a bucket group 11 in which six buckets 11 a to 11 f each having an egg storage seat for storing an egg E are arranged in parallel in the transport width direction, and a pair of holding the bucket group 11. The fixed shafts 12a and 12b are composed of movable shafts 13a and 13b disposed obliquely below the pair of fixed shafts.

  Further, both ends of the pair of fixed shafts 12a and 12b and the movable shafts 13a and 13b are supported by an opening / closing mechanism 4 shown in FIG.

  FIG. 5 is a view of the opening / closing mechanism 4 as seen from the bucket 11f side. As shown in FIG. 5, the opening / closing mechanism 4 includes an element 41 and an element 42, and the element 41 and the element 42 are configured to be rotatable with respect to each other via a connecting member 43.

  The fixed shaft 12a is fitted into the hole 50b of the element 41, and the fixed shaft 12b is fitted into the hole 50a of the element 42, and fastened and fixed by screws (not shown). The movable shaft 13a is fitted into the hole 60b of the element 41, and the movable shaft 13b is fitted into the hole 60a of the element 42, and fastened and fixed by screws (not shown).

  As a result, when the convex portion 42a formed on the element 42 comes into contact with the opening protrusions 70 formed at the predetermined positions of the first discharge position 2 and the second discharge position 3, the element 42 The convex part 42a falls to the element 41 side, and the opposite bucket member rotates in the direction of the arrow with the central axes of the fixed shafts 12a and 12b as fulcrums and opens away from each other.

  Furthermore, among the above-mentioned many (even number) egg transport units 1, the egg transport unit 1 with an odd number is attached to the opening / closing mechanism 4 so as to come into contact with the opening projection 70 at the first discharge position 2. Is attached in advance, and the attachment position of the opening / closing mechanism 4 is pre-positioned so that the egg conveying unit 1 to which an even number is attached is in contact with the opening protrusion 70 of the second discharge position 3. ing.

  Thereby, the egg transfer unit 1 to which the odd numbered code is attached performs the discharge operation (the operation in which the bucket group 11 of the egg transfer unit 1 opens and discharges the egg E) at the first discharge position 2, and the even number code. The egg transfer unit 1 marked with is configured to perform a release operation (an operation in which the bucket group 11 of the egg transfer unit 1 opens to release the egg E) at the second release position 3.

  FIG. 3 illustrates the operation of filling the eggs V into the trays V1 and V2 from the egg transfer unit 1 via the storage delivery means (not shown) at each of the first discharge position 2 and the second discharge position 3. It is a partial side view to do.

  As shown in FIG. 3, when the egg transfer unit denoted by reference numeral 21 arrives at the first discharge position 2, the convex portion 42 a of the opening / closing mechanism 4 in the egg transfer unit denoted by reference numeral 21 and a predetermined position of the first discharge position 2 The opening protrusion 70 formed in the contact with the contact. As a result, the bucket group 11 of the egg transfer unit 21 is opened, and the six eggs E accommodated in the egg transfer unit are discharged all at once, and the six eggs E are accommodated and fed out (not shown). 1), the first egg storage seat row of the tray V1 is filled.

  The egg transfer unit 22 positioned immediately after the egg transfer unit 21 is not in contact with the opening protrusion 70 formed at a predetermined position of the first discharge position 2. At the discharge position 2, it passes without performing a discharge operation (an operation in which the bucket group 11 of the egg transfer unit opens to release the egg E).

  Next, the first tray conveyor 5 is driven so that the second egg storage seat row of the tray V1 is positioned immediately below the first discharge position 2, and the tray V1 is tact-conveyed in the direction of the arrow.

  When the egg transfer unit indicated by reference numeral 23 arrives at the first discharge position 2, the projection 42 a of the opening / closing mechanism 4 in the egg transfer unit indicated by reference numeral 23 and the predetermined position of the first discharge position 2 are the same as described above. The opening projection 70 formed at the position contacts. As a result, the bucket group 11 of the egg transfer unit denoted by reference numeral 23 is opened, and the six eggs E accommodated in the egg transfer unit are discharged in a lump, and the six eggs E are accommodated and delivered (not shown). 2), the second egg storage seat row of the tray V1 is filled.

  Since the egg transfer unit indicated by reference numeral 24 located immediately after the egg transfer unit indicated by reference numeral 23 does not come into contact with the projection 70 for opening formed at a predetermined position of the first discharge position 2, At the discharge position 2, it passes without performing a discharge operation (an operation in which the bucket group 11 of the egg transfer unit opens to release the egg E).

  Similarly, the first tray conveyor 5 is driven so that the third egg storage seat row of the tray V1 is positioned immediately below the first discharge position 2, and the tray V1 is tact-conveyed in the direction of the arrow.

  Then, when the egg transfer unit indicated by reference numeral 25 arrives at the first discharge position 2, similarly to the above, the convex portion 42a of the opening / closing mechanism 4 in the egg transfer unit indicated by reference numeral 25 and the predetermined first discharge position 2 are determined. The opening projection 70 formed at the position contacts. As a result, the bucket group 11 of the egg transfer unit 25 is opened, and the six eggs E accommodated in the egg transfer unit are released at the same time, and the six eggs E are accommodated and delivered (not shown). 3), the third egg storage seat row of the tray V1 is filled.

  Thereafter, the above-described operation is repeated, and an egg E released from an egg transfer unit (not shown) indicated by reference numeral 27 in the fourth egg receiving seat row and the fifth egg receiving seat row of the tray V1, The eggs E released from the 29 egg transfer units (not shown) are filled, and the filling of the eggs E into the tray V1 is completed.

  Further, the egg transfer units indicated by reference numerals 14, 16, 18, 20, and 22 that have passed without performing the release operation (the operation of opening the bucket group 11 of the egg transfer unit and releasing the egg E) at the first release position 2 are as follows. In the second release position 3, a release operation (an operation in which the bucket group 11 of the egg transfer unit opens to release the egg E) is performed.

  That is, when the egg transfer unit with the reference numeral 14 arrives at the second release position 3, the convex portion 42a of the opening / closing mechanism 4 in the egg transfer unit with the reference numeral 14 and the predetermined position of the second release position 3 are the same as described above. The opening projection 70 formed at the position contacts. As a result, the bucket group 11 of the egg transfer unit 14 is opened, and the six eggs E accommodated in the egg transfer unit are discharged all at once, and the six eggs E are accommodated and fed out (not shown). 1), the first egg storage seat row of the tray V2 is filled.

  The empty egg transfer unit of 15 (positioned after the release of the egg E at the first discharge position 2) located immediately after the egg transfer unit of 14 is formed at a predetermined position of the second discharge position 3. It passes through without being brought into contact with the opening projection 70.

  Next, the second tray conveyor 6 is driven so that the second egg storage seat row of the tray V2 is positioned immediately below the second discharge position 3, and the tray V2 is tucked in the direction of the arrow.

  When the egg transfer unit indicated by reference numeral 16 arrives at the second discharge position 3, the convex portion 42a of the opening / closing mechanism 4 in the egg transfer unit indicated by reference numeral 16 and the opening formed at a predetermined position of the second discharge position 3 are shown. The projection 70 contacts. As a result, the bucket group 11 of the egg transfer unit 16 is opened, and the six eggs E accommodated in the egg transfer unit are released at the same time, and the six eggs E are accommodated and fed out (not shown). 2), the second egg storage seat row of the tray V2 is filled.

  The empty egg transfer unit 17 (positioned after the release of the egg E at the first discharge position 2), which is located immediately after the egg transfer unit 16 is formed at a predetermined position of the second discharge position 3. It passes through without being brought into contact with the opening projection 70.

  Similarly, the second tray conveyor 6 is driven so that the third egg storage seat row of the tray V2 is positioned immediately below the second discharge position 3, and the tray V2 is tact-conveyed in the direction of the arrow.

  Then, when the egg transfer unit 18 has arrived at the second release position 3, it is formed at the convex portion 42 a of the opening / closing mechanism 4 in the egg transfer unit 18 and a predetermined position of the second release position 3. The opening projection 70 is in contact with the opening projection 70. As a result, the bucket group 11 of the egg transfer unit 18 is opened, and the six eggs E accommodated in the egg transfer unit are released at the same time, and the six eggs E are accommodated and sent out (not shown). 3), the third egg storage seat row of the tray V2 is filled.

  Thereafter, the above-described operation is repeated, and the eggs E accommodated in the egg transfer unit indicated by reference numeral 20 and the egg transfer unit indicated by reference numeral 22 are transferred to the fourth egg storage seat row and the fifth egg storage seat row of the tray V2. The filling of the eggs E into the tray V2 is completed. The egg filling device T according to the present embodiment is configured as described above.

  In the present embodiment, the egg transfer unit with an odd numbered code performs a discharge operation (an operation in which the bucket group 11 of the egg transfer unit 1 opens and discharges the egg E) at the first discharge position 2. Although the egg transfer unit to which the reference numeral is attached has been described with respect to the example in which the release operation (the operation of opening the bucket group 11 of the egg transfer unit 1 to release the egg E) is performed at the second release position 3, this is not restrictive. The egg transfer unit with the odd numbered sign may be discharged at the second discharge position 3, and the egg transfer unit with the even numbered mark may be discharged at the first discharge position 2.

  In the present embodiment, an example has been described in which two discharge positions for discharging the eggs E accommodated in the egg transfer unit 1 in a downward direction are determined. However, the present invention is not limited to this, and for example, three positions may be determined. May be.

  In this case, the release operation of the egg E at each release position of the egg transfer unit 1 may be performed as follows. That is, m (for example, 6) eggs E accommodated in one egg transfer unit 1 are discharged at a time at the first release position 2, and the eggs E are discharged at the first release position 2. The other egg transfer unit 1 located immediately after the egg transfer unit 1 that has performed the release is accommodated at the second release position 3 without releasing the egg at the first release position 2. M (e.g., 6) eggs E are released at once.

  Further, another egg transfer unit 1 positioned immediately after the other egg transfer unit 1 that has released the egg E at the second release position 3 is the first release position 2. In addition, m eggs (for example, 6 eggs) housed in the third release position may be released in a lump without releasing the eggs E at the second release position 3.

  In the present embodiment, the example in which the egg E discharging operation at each discharging position of the egg transfer unit 1 is mechanically described has been described. However, the present invention is not limited thereto, and the discharging operation may be performed by electric control.

  Further, in this embodiment, as an example of a container for filling the eggs E, a 6-row, 5-row egg storage seat has been described, for example, a tray such as an American tray. However, the present invention is not limited to this embodiment. For example, it may be a tray in which 6 rows and 6 rows of egg storage seats are formed, or a paper mold tray in which 6 rows and 9 rows of egg storage seats are formed, or 5 rows and 8 rows of eggs. It may be a paper mold tray on which an egg storage seat is formed.

  As a further example of the container for filling the eggs E, for example, a transparent 10-pack made of A-PET in which 5 rows and 2 rows of egg storage seats are formed, and 6 rows and 2 rows of egg storage seats are formed. Alternatively, a transparent 12-pack made of A-PET may be used.

  The disclosed embodiments are merely examples and are not limited thereto. The present invention is defined by the terms of the claims, rather than the scope described above, and is intended to include any modifications within the scope and meaning equivalent to the terms of the claims.

1 is a schematic plan view of an egg filling device T according to an embodiment of the present invention. Egg is a schematic perspective view of the egg filling device T. FIG. 2 is a partial side view of the egg filling device T. FIG. 2 is a perspective view of an egg transfer unit 1 of the egg filling device T. FIG. FIG. 3 is a detailed view of an opening / closing mechanism 4 attached to both ends of the egg transfer unit 1.

Explanation of symbols

  DESCRIPTION OF SYMBOLS 1 Egg transfer unit, 2 1st discharge position, 3 2nd discharge position, 4 opening-and-closing mechanism, 5 1st tray conveyor, 6 2nd tray conveyor, 11 bucket group, E egg, V tray, T egg filling device

Claims (2)

The egg is transported in a predetermined direction by the next conveyor, and the egg is discharged at a predetermined discharge position determined in the transport path of the next conveyor, and is waiting immediately below the predetermined discharge position. An egg filling device for filling an accommodation container having a plurality of egg accommodation seats arranged in a conveying direction of the egg ,
The secondary conveyor is provided with a plurality of bucket groups at a predetermined pitch that closes the bucket when receiving the egg to hold the egg and opens the bucket when the egg is released to release the egg downward. Each of the plurality of bucket groups includes a plurality of buckets in the conveyance width direction ,
The predetermined discharge positions determined in the transport path of the next conveyor are determined in at least two places along the transport path,
A plurality of eggs stored in one bucket group are discharged together at one discharge position and filled in the egg storage seat row of the predetermined one storage container waiting immediately below the one discharge position. And
The other bucket group located immediately after the bucket group that has released the egg at the one release position is the other one at the release position without releasing the egg at the one release position. accommodated while simultaneously releasing a plurality of eggs are, filled egg receiving seat rows of the predetermined other one container waiting immediately below the discharge position of the other one,
Each storage container transports the eggs from a state of waiting immediately below each discharge position so that eggs discharged from the discharge position are sequentially stored in the predetermined egg storage seat row by a corresponding tray conveyor. An egg filling device, wherein the egg filling device is moved in a direction along the direction, and after a predetermined egg is filled, the egg is fed in a direction intersecting with the conveying direction of the egg. A secondary conveyor that transports the eggs in a predetermined direction and discharges the eggs at a predetermined discharge position defined in the transport path. When the egg is received, the bucket is closed to hold the egg and release the egg. A large number of bucket groups for opening the bucket and releasing the eggs downward are provided at a predetermined pitch, and each of the large number of bucket groups includes a plurality of buckets in the conveyance width direction and is defined in the conveyance path. The predetermined discharge position includes at least two next-stage conveyors defined along the transport path, a predetermined storage container waiting immediately below the predetermined discharge position, and a tray for transporting the storage container. In an egg filling device comprising a conveyor,
A plurality of eggs stored in one bucket group are discharged together at one discharge position and filled in the egg storage seat row of the predetermined one storage container waiting immediately below the one discharge position. A first step to:
After the first step, the predetermined one container is moved in the egg transport direction so that the eggs discharged from the one discharge position by the tray conveyor are sequentially stored in the predetermined egg storage seat row. A second step of moving in a direction along;
A third step of feeding out the one container by a tray conveyor in a direction intersecting with the conveying direction of the egg after the predetermined egg is filled;
The other bucket group located immediately after the bucket group that has released the eggs at the one release position allows the other release position without releasing the eggs at the one release position, A fourth step of discharging a plurality of eggs contained in a batch and filling an egg containing seating row of the other predetermined containing container waiting immediately below the other one releasing position;
After the fourth step, the predetermined other container is placed in the predetermined egg storage seat row so that eggs discharged from the other discharge position by the tray conveyor are sequentially stored in the predetermined egg storage row. A fifth step of moving in a direction along the transport direction;
And a sixth step of feeding the other container by a tray conveyor in a direction intersecting with the egg transport direction after the predetermined egg is filled.

Images