JPH0629061B2 - Constant weight packaging method for chicken eggs - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION (Industrial field of application) The present invention relates to eggs that belong to different weight categories by partially combining eggs that belong to different weight categories while making the best use of the weight categories of eggs. TECHNICAL FIELD The present invention relates to a constant weight packaging method for chicken eggs that is mixed and packaged.

(Prior Art) In selling eggs, the standards are classified into the following 6 grades based on the Ministry of Agriculture, Forestry and Fisheries Trade Standards. That is, SS grade (40 g or more to less than 46 g), S grade (46 g or more to
Less than 52 g), MS grade (52 g or more and less than 58 g),
There are six weight categories consisting of M grade (58 g or more and less than 64 g), L grade (64 g or more and less than 70 g) and 2 L grade (70 g or more and less than 76 g).

At present, a predetermined number of eggs in each of these categories are packed and packaged and sold, and various sorting and packaging devices for sorting and packaging eggs according to their weight categories have been proposed. , Its processing capacity is also increasing year by year.

(Problems to be solved by the invention) By the way, in supermarkets, etc., packs of M and L grade eggs among 6 grades are mainly sold, resulting in high Kg units in M and L grade eggs, and others. The egg is Kg
Currently, the unit price is low. Therefore, in order to reduce such problems, eggs of different grades may be appropriately mixed with eggs of M and L grades, and the weight of one packaging unit may be kept constant for sale. In this case, a method of manually mixing and repacking the eggs that have been once graded is adopted,
This is costly and also causes rupture of eggs, so that bulk packaging is virtually impossible.

In addition, as a weighing method that sequentially weighs lumpy articles with individual weight variations and keeps a predetermined number within a certain weight range,
There is a method described in JP-B-57-29651, but this method is a so-called batch method, and it is difficult to adopt it when carrying out single-row transportation, non-stop, and large-scale processing.

The present invention has been made in view of the above points, and mixes eggs belonging to different weight categories without temporarily stopping the transporting device in the process of transporting the eggs after weighing into a single row and transporting them to the packaging location. Can be packaged as
It is an object of the present invention to provide a constant weight packaging method of chicken eggs, which can make the total weight of one package (one pack) uniform.

(Means for Solving the Problems) According to the present invention, the object is a constant weight packaging method of eggs, wherein a predetermined number of eggs each having a weight within a predetermined range is packaged as one packaging unit. , The weight of each chicken egg is sequentially measured by the weighing means, each egg weight of this measured chicken egg is stored in the storage means, and each chicken egg is transported by the transporting means in the measured order. ,
The stored egg weights are sequentially read from the storage means, the read egg weights are supplied to the computing means, and among the eggs of the number of one packaging unit or more sequentially selected in the measured order,
The total weight of the predetermined number of eggs, the combination of the predetermined number of eggs within the range of the preset weight preset in the calculation means is obtained by the calculation means, a predetermined number of eggs corresponding to the obtained combination is packaged This is achieved by a constant-weight packaging method of eggs, which is collected in one packaging place so as to be packaged as a unit and the eggs remaining in this combination are collected in another packaging place.

(Operation) In the present invention, when the eggs are sorted into, for example, 6 weight categories and packed, further, a specific packaging place is newly added to provide a dedicated line for combination, and the weight per piece is within a predetermined range. The eggs are combined so that the total weight of one package is uniform, and the combined eggs are collected and packed in a specific packing place.

In order to facilitate understanding of the present invention, specific numerical values will be given and described. For example, the predetermined range of weight per piece is 52
g to 70 g, and when packing a predetermined number of eggs in a pack of 10 pieces, the set weight of one packaging unit is the upper limit and the lower limit that define the predetermined range of the weight per piece. From the values of 52g and 70g and the predetermined number of 10 pieces, an average value of 610g is set as the target weight, which is determined in advance as 610g ± 5g, and the total weight of the predetermined number of 10 pieces is within the set weight range. From 10 or more eggs.

In this case, instead of obtaining a combination of 10 eggs out of a preset number, for example, 15 eggs, the total weight of one packaging unit is the set weight range in the order of weighing each egg in order. Combine so that 610g ± 5g, and when the set weight range is reached, add a new egg 1
Start the next combination for 0.

For example, if the set weight accidentally reaches the set weight range with 10 pieces, the next combination will obtain 11 pieces from 10 pieces. Also, for example, if the set weight range is not reached with 10 combinations of 10 to 14 each, then 10 combinations out of 15 can be combined with 3003 different combinations. Whether the set weight range is reached or not is reached. If the set weight range is reached in the middle of 3003 different combinations, 10 out of 15 combinations are terminated, and then a new egg is added. The combination for 10 pieces is performed.

In other words, in the case of 11, there are 11 combinations of 10 out of 11, and in the case of 12, 1 out of 12
There are 66 combinations of 0 pieces, such as a combination of weights that reach a set weight range from different combinations, and eggs that could not participate in this combination are packed in a normal grade. It is thrown in.

It should be noted that, in order to obtain the combination of the set weight ranges, it is necessary to perform a calculation process for each movement of the chicken egg during transportation, and therefore, in carrying out the present invention, the combination from a maximum of 20 chicken eggs is limited. As described above, it is necessary to determine the maximum number of eggs to be applied to the combination. The combination of 20 cases is the formula, There are 184,756 ways.

The invention will now be described in more detail with reference to the drawings and on the basis of exemplary embodiments.

(Example) In FIGS. 2 and 3, 1 is a weighing machine, 2 is a computing device, 5 is a mixed packaging line (conveying line), and 6 and 7 are normal packaging lines for each grade. In FIG. 3, each finger A1, A2, ..., An holds a weighed egg, but here it is assumed that an egg having a weight within a predetermined range is held. After the eggs have been egg-tested in an egg-testing room (not shown), the weight thereof is weighed by the weighing machine 1, and after this weighing, each egg is sequentially finger A1, A2, ...
・, Moved to An. Measuring instrument 1 as measuring means
Also, a transport device including a large number of fingers A1, ... As transport means is already known.

The egg weight of each egg weighed by the weighing machine 1 when transferred to the fingers A1, A2, ...
Corresponding to the numbers 1, A2, ..., An, they are stored in the arithmetic unit 2 which also serves as a storage unit and an arithmetic unit. Based on this memory, an opening instruction is given to the opening device (shutter) 5'of the mixing and packaging line 5 in a manner described later, and the finger A is released.
The nails of 1, A2, ..., An are opened, and the eggs are put into the mixed packaging line 5 which is one packaging place. The eggs remaining in the combination are placed in the packaging lines 6 and 7, which are the other packaging locations, according to their grades. In this embodiment, the mixed packaging line 5 is provided at one place. In addition,
6 ′ and 7 ′ are opening devices (shutters) for the packaging lines 6 and 7.

Next, how to put the eggs held by the fingers A1, A2, ..., An into the mixing and packaging line 5 will be described. As described above, each finger A1, A2, ...
The egg weight of the eggs held by An is weighed by the weighing machine 1, calculated by the computing device 2 in correspondence with the numbers of the fingers A1, A2, ..., An, and stored. now,
It is assumed that the weighed eggs are transported by the fingers A1 to A27. In the case where eggs within a set weight range preset in the arithmetic unit 2 are put into the mixing and packaging line 5, the fingers A1
The total weight of the eggs of A10 is calculated based on the weighed egg weight of each egg. At this time, if the total weight is within the set weight range, eggs with fingers A1 to A10 are put into the mixing and packaging line 5. If the total weight of the eggs of the fingers A1 to A10 is out of the set weight range, the calculation is performed including the eggs of the finger A11. There are 11 combinations from 11 to 10.
If one of the combinations reaches the set weight range,
The 10 eggs of the combination are put into the mixed packaging line 5, and the remaining one egg is sorted into a conventional grade and put into the corresponding packaging line 6 or 7.

Next, it is calculated whether or not the egg combination of the fingers A12 to A21 reaches the set weight range. If the weight is out of the set range, the number of eggs to be combined is increased from the egg of the finger A21.

If all the combinations for eggs up to finger A25 are out of the set weight range, next, finger A2
A combination of up to 6 eggs is included, in this case 1
There are 5 to 10 combinations, that is, 3003 combinations. When one of them reaches the set weight range, 10 eggs that reach the set weight range are added to the mixed packaging line 5 as a new combination, and the remaining 5 eggs are of the corresponding grades. It is put into the packaging lines 6 and 7.

Further, the present invention will be described with reference to the flowchart shown in FIG.

The buffer is shifted by one to accommodate the new egg weight data (step 1). Input new egg weight data into the shifted new buffer (step 2). It is judged whether this data is a normal egg (step 3). Normal eggs are those that have not been filthy, bloody, or ruptured.

Eggs judged as abnormal eggs are treated as defective eggs because they are not used for combination and packaging (step 4).

In the case of a normal egg, it is judged whether it is within the range of the egg weight used for combination, that is, whether the weight of this egg is within a predetermined range (step 5). If the value is out of the range, it is used for normal sorting by grade (step 6). If it is within the range, this egg is set as an egg that can be used for combination (step 7). Next, it is judged whether the number of eggs that can be used is 10 or more so far (step 8).
If there are 10 or more eggs, it is determined whether or not these 10 or more eggs have the set weight. If the set weight is obtained, 10 pieces of the combination are put into the mixing and packaging line 5 (step 10). After this, it is judged whether there are any eggs left over in the combination (step 11), and the eggs left over are put into the packaging line of the relevant grade (step 6). If the set weight is not obtained in step 9, it is judged whether or not new egg weight data is added (step 12), and if so, it is judged whether or not the new egg weight data is for 20 or less eggs ( Step 13), if 20 or less, 1 of them
It is judged whether or not the set weight can be obtained by the combination of 0 pieces (step 14). The determination is returned to step 12 until the egg weight data reaches 20 (step 12). When the egg weight data reaches 20 in step 13, 20 eggs corresponding to these are put into the packaging line of the corresponding grade (step 6). If the set weight is obtained in step 14, the 10 eggs obtained in the set weight are put into the mixing and packaging line 5 (step 10), and it is judged whether there are any eggs left in the combination (step 11). The eggs are put into the corresponding packaging line (step 6).

Next, the combination operation according to the above flow chart will be described using the actual egg weight table in Table 1. First, of the egg weights from 1st to 10th, the weight per egg is within a predetermined range (52g
~ 70g) The only thing outside is the 4th non-weighed one. Therefore, in the first combination, the 10 combinations are up to the 11th, and the total is 60.
Since it is 5.1 g and has reached the set weight range of 610 ± 5 g, it is adopted as the first combination. Next, the second time, totaling the Nos. 12 to 21 is 60.
It will be 7.8g and will be adopted as the second combination. The third operation is the 22nd to 31st operations, but this total is 596.1 g, and the 32nd operation 63.
If 10 combinations including 1 g are calculated, it will be 607.2 g if the 29th 52.0 g is removed, and it will be understood that combinations within the set weight range can be obtained. In this way, when the total egg weight of one combination of different combinations reaches within the set weight range, the combination may be put into the mixing and packaging line 5, and it is not necessary to predetermine the number of objects of the combination, and the predetermined number is not specified. Is obtained. The 29th egg out of the combination can be put into a conventional MS grade packaging line. This is a known technique.

(Effects of the Invention) As described above, according to the present invention, it is possible to make the total weight of one packaging unit of chicken eggs having a weight within a predetermined range uniform. Then, the combined eggs are collected in one packaging place, and the eggs remaining in the combination are collected in another packaging place. As a result, even if the eggs are transported in a single line without stopping, they can be dealt with without problems. In other words, according to the present invention, the combination is completed during the transportation of the eggs to the packing place, and the total weight per pack of the predetermined number of eggs is made uniform, so that the eggs can be efficiently and similarly set in the set weight range. Packing can be done.

And, although there is usually a shortage of L and M grade eggs on a daily basis, according to the present invention, there is an imbalance between production and consumption of a particular grade due to distribution of such a particular grade only. Can be prevented. That is, for example, from MS grade to 2L
By setting a set weight according to the egg production for eggs up to the grade, it becomes possible to deliver eggs that are fresh food products to consumers without delay.

[Brief description of drawings]

FIG. 1 is a flow chart for explaining the present invention, FIG. 2 is a block diagram of an apparatus embodying the present invention, and FIG. 3 is an egg and a packaging place sent by being supported by fingers of the apparatus embodying the present invention. FIG. 1 ... Weighing machine, 2 ... Computing device, 5 ... Mixed packaging line, 6,
7 ... Regular grade packaging line, 5 ', 6' ... Opening device (shutter).

Claims (1)

[Claims] 1. A constant weight packaging method of eggs, wherein a predetermined number of eggs each having a weight within a predetermined range is packaged as one packaging unit, wherein the weight of each egg is sequentially weighed by a weighing means. Each egg weight of the measured eggs is stored by the storage means, each egg is transported by the transport means in a measured order, and during the transportation of each egg, the stored egg weight is sequentially read from the storage means, The read egg weight is supplied to the calculating means, and the total weight of the predetermined number of chicken eggs is preset in the calculating means from among the eggs of the number equal to or more than one packaging unit sequentially selected in the measured order. The combination of a predetermined number of eggs within the set weight range is obtained by the calculating means, and the predetermined number of eggs corresponding to the obtained combination are collected in one packaging place so as to be packaged as one packaging unit. Constant weight packaging method of chicken eggs to aggregate the remaining eggs in Align to other packaging location.