JPH0840411A - Automatically weighing and casing apparatus for vegetable - Google Patents

Abstract

PURPOSE:To provide an automatically weighing and casing apparatus for vegetables which can correctly and efficiently weigh and case the vegetables. CONSTITUTION:A supply conveyer 3 which normally and inversely moves by a switching signal is provided perpendicularly at the vicinity of a terminal end of a conveyer 1 for carrying vegetables S, while a weighing means 8 for outputting the switching signal to the supply conveyer 3 when a weighed value of the vegetables supplied to a receiving box 4 reaches a value (14.5kg, for example) a little less than a specific value (15kg, for example) and also weighing a final total weight is provided below the supply conveyer 3. After the weighing, the receiving box 4 is carried to below an individually putting means 10 by a carrying means 6. A value left for the specific value (15kg) is obtained based on the final total weight weighed by the weighing means 8 to calculate the number of vegetables S. The obtained number of vegetables S are supplied by the individually putting means 10 into the receiving box 4.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION The present invention is used in a sorting facility for sorting and packing fruits and vegetables such as citrus fruits, deciduous fruits, potatoes and onions, and automatically sorts fruits and vegetables selected according to a predetermined standard in a sorting machine. The present invention relates to an automatic weighing and packing device for vegetables and fruits to be packed in a box.

[0002]

2. Description of the Related Art As a conventional technique related to a weighing box packing apparatus, generally, a wide-width large-scale conveyor for conveying a large amount of fruits and vegetables and a narrow-width small-scale conveyor for conveying fruits and vegetables in a row are installed in parallel on a weighing machine. The cardboard box is packed in a predetermined amount. And, for example, as a predetermined amount, 15k
In the case of g-packing, first, a wide large-scale conveyor is operated to put a large amount of fruits and vegetables into a corrugated box on the weighing machine. When the measured weight of the weighing machine reaches, for example, 14.5 kg just before the predetermined amount, the driving of the large output conveyor is stopped and the small output conveyor is operated to supply fruits and vegetables one by one so that the predetermined amount is achieved. . By this supply, when the weight of fruits and vegetables reaches a predetermined amount (15 kg), the operation of the dispensing conveyor is stopped.

[0003]

According to the above-mentioned conventional apparatus, since the driving of the dispensing conveyor is stopped and the supply is stopped based on the predetermined amount measurement of the weighing machine, the signal for stopping the driving is issued. Nevertheless, since the fruits and vegetables that are being supplied from the dispensing conveyor and are falling are being supplied,
There is a drawback that an error of one or more fruits and vegetables occurs with respect to a predetermined amount. If the speed of the dispensing conveyor is reduced in order to reduce this error, there is a problem that the efficiency of box packing does not increase.

Further, since the conventional apparatus packs in the same packing place via the large-scale conveyor and the small-scale conveyor, it is necessary to suspend the other conveyor during the supply by one of the conveyors. There was a problem that the cycle time for was long and the efficiency was low.

The present invention has been made in view of the above problems, and an object of the present invention is to provide an automatic weighing and packing apparatus for fruits and vegetables which can accurately and efficiently carry out weighing and packing of fruits and vegetables.

[0006]

In order to solve the above-mentioned problems, an automatic weighing and boxing device for fruits and vegetables according to claim 1 is a main feeding means for feeding a predetermined amount of fruits and vegetables of a predetermined class into a container. A weighing means for weighing the final total weight of the fruits and vegetables supplied from the main supply means to the storage box on the mounting table, a transport means for transporting the storage box on the mounting table after the weighing, and a weighing means for the weighing means. A means for calculating the remaining amount value up to the predetermined amount based on the measured final total weight, a means for converting the remaining amount value into the number of fruits and vegetables, and a means for conveying the number of fruits and vegetables obtained by the converting means by the conveying means. It is characterized in that it is provided with a number inputting means for supplying to the stored container.

According to another aspect of the present invention, there is provided an automatic weighing and packing apparatus for fruits and vegetables, which is provided in a large conveyor for conveying fruits and vegetables of a predetermined class, and in the vicinity of the end of the large conveyor in a direction orthogonal to the conveying direction. A supply conveyor in which the conveying direction of fruits and vegetables supplied from the large-scale conveyor can be switched to either a forward direction or a reverse direction by a switching signal, and the supply conveyor is provided below both ends of the supply conveyor. A weighing means for weighing the total weight of the fruits and vegetables supplied to the upper accommodation box, outputting the switching signal when the weighted value reaches the amount immediately before the predetermined amount, and weighing the final total weight of the fruits and vegetables after the output. And a transport means for transporting the storage box on the mounting table after the weighing, and the predetermined amount based on the final total weight weighed by the weighing means provided corresponding to the weighing means. And a means for converting the residual quantity into the number of fruits and vegetables, and a quantity inputting means for supplying the quantity of fruits and vegetables obtained by the converting means to the storage box transported by the transport means. It is characterized by having.

[0008]

The fruits and vegetables conveyed by the large output conveyor are first supplied to the storage box on the loading table on one side by the supply conveyor capable of forward and reverse driving. Then, the total weight of the fruits and vegetables supplied to the storage box on the mounting table is weighed by the weighing means, and when the measured value reaches the amount (14, 5 kg) immediately before the predetermined amount (for example, 15 kg), the supply Outputs a switching signal to the conveyor. The supply conveyor that has input the switching signal is switched in the reverse direction, and starts to supply the fruits and vegetables on the supply conveyor to the storage box on the loading table on the other side. The weighing means on the one side weighs the final total weight of fruits and vegetables in the storage box after outputting the switching signal. After the weighing, the storage box on the mounting table is conveyed forward by the conveying means. Then, based on the measured final total weight, a predetermined amount (15 kg) is converted by the means for converting into the number.
The remaining value up to is calculated and converted into the number of fruits and vegetables. When the number of fruits and vegetables is converted from the remaining amount value, the converted number of fruits and vegetables is put into the storage box transported by the transport means by the number feeding means, and the packing of the predetermined amount in the weighing box is completed. On the other hand, the supply of fruits and vegetables to the container on the weighing means on the other side is performed in the same manner as the one side.

[0009]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A preferred embodiment of the present invention will now be described with reference to the drawings (FIG. 1).
~ FIG. 5) will be described. In addition, mandarin oranges are used as the fruits and vegetables S in this embodiment. Therefore, this embodiment shows an automatic weighing and boxing machine for mandarin oranges for packing the sorted mandarin oranges in a predetermined amount (for example, 15 kg).

Reference numeral 1 denotes a large-scale conveyor, which is designed to convey a large amount of fruits and vegetables S using a predetermined wide belt conveyor.

Reference numeral 2 is a dispensing conveyor, and 1 of fruits and vegetables S
It has a transfer surface that can be transferred in rows and is installed in parallel to the side of the large output conveyor 1. The end portion 2b of the small dispensing conveyor 2 is the end portion 1 of the large dispensing conveyor 1.
It is arranged ahead of b.

At the starting ends of the large-scale conveyor 1 and the small-scale conveyor 2, a pull-out conveyor (not shown) for carrying out fruits and vegetables S sorted by a grade by a fruit sorter (not shown) is connected.

Reference numeral 3 denotes a forward / reverse conveyer as a supply conveyer, which is provided at a terminal end 1b of the large-scale conveyer 1 in a direction orthogonal to the conveying direction. The forward / reverse conveyer 3 is configured so that its conveying direction can be switched to either a forward direction or a reverse direction by a switching signal. This switching can be performed, for example, by reversing the rotation direction of the drive motor (not shown).

A cardboard box is used as the storage box 4, and is formed in a size capable of storing 15 kg of fruits and vegetables S as a predetermined amount.

Reference numeral 5 denotes an empty box conveyor, which is provided below the large-sized conveyor 1 and the small-sized conveyor 2 and conveys the flaps of the storage box 4 in an upright state.

Reference numeral 6 denotes a conveyer conveyor, which is provided below the large conveyer conveyor 1 and the small conveyer conveyor 2 at a side portion of the empty box conveyer 5 in a direction orthogonal to the empty box conveyer 5. As the transport conveyor 6, a wide roller conveyor having a transport surface capable of transporting the storage boxes 4 in two rows is used.

Reference numeral 51 denotes an extruding arm, which is constructed in combination with an air cylinder 52 so as to push out the empty storage box 4 conveyed on the empty box conveying conveyor 5 onto the conveying conveyor 6.

Reference numeral 7 denotes a distribution conveyor, which distributes the storage boxes 4 pushed onto the transfer conveyor 6 by the pushing arm 51 into two rows on the transfer conveyor 6. As shown in FIG. 3, the sorting conveyor 7 has a traveling and rotating chain conveyor 71 arranged in a direction orthogonal to the transport direction of the transport conveyor 6 and accommodated in a part of a transfer path of the chain conveyor 71. An attachment 72 that engages with the box 4 is attached. When the chain conveyor 71 is rotated in the arrow direction, the attachment 72 on the chain conveyor 1 engages with the storage box 4 on the transport conveyor 6 to transfer the storage box 4 in the arrow direction in the figure.

Reference numerals 8A and 8B denote weighing means, which are provided at predetermined positions below both ends of the forward / reverse conveyor 3 in the transfer path of the transfer conveyor 6. Since the weighing means 8A and 8B are symmetrically provided with the same structure, only one side will be described.

That is, reference numeral 81 is a support column standing on the upper surface of the measuring device 80. Reference numeral 82 denotes an L-shaped mounting base on which the storage box 4 is mounted, and the upper end portion thereof is rotatably attached to a support shaft 83 provided on the upper portion of the support column 81. Reference numeral 84 is an air cylinder, and its piston rod 84a has a link mechanism 85 that connects the mounting base 82 and the lower portion of the column 81.
The mounting table 82 is rotated by a predetermined angle in the arrow direction by the forward / backward movement of the piston rod 84a.

Then, the mounting base 82 in a state in which the piston rod 84a of the air cylinder 84 is most extended.
Is lower than the carrying surface (roller surface) of the carrying conveyor 6. Therefore, in this state, the storage box 4 on the mounting table 82 is transported forward on the transport surface of the transport conveyor 6.

Incidentally, the measuring device 80 of the measuring means 8A, 8B.
Measures the total weight of the fruits and vegetables S supplied to the storage box 4,
The weight (14, 5k) immediately before the predetermined amount (15kg)
When g) is reached, a switching signal is output to the forward / reverse conveyer 3, and after this signal is output, the final total weight of the fruits and vegetables S is weighed and a signal corresponding thereto is output.

The weight signal corresponding to the final total weight is input to the number converting means (not shown). This number conversion means (not shown) calculates the remaining amount value up to the predetermined amount (15 kg) based on the final total weight, and divides this remaining amount value by the average weight per one fruit or vegetable S. You can

Reference numeral 9 denotes a lateral transfer device, which is provided on the terminal side of the conveyor 6 in front of the measuring means 8A and 8B, and on the respective measuring means 8A and 8B, the immediately preceding amount (14, 5 kg). The storage boxes 4 and 4 in which is stored are alternately transferred below the terminal end portion 2b of the dispensing conveyor 2. That is, 91 is a slide shaft which is horizontally extended in the width direction of the conveyor 6, and locking pieces 92, 92 for locking the storage box 4 are slidably attached to the slide shaft 91. The pieces 92 and 92 are motors 9.
It is designed to be moved laterally by a moving mechanism in which 3 and a screw shaft 94 are combined.

Reference numeral 10 is a number input means, which is a container 4 below the fruits and vegetables S sent out in a line from the dispensing conveyor 2 to the terminal end portion 2b of the dispensing conveyor 2 by the number obtained by a number converting means (not shown). It is designed to be input to. This number inserting means 10 is rotatably attached to a rotary shaft 13 with a rotating body 12 having four housing recesses 11, 11, 11, 11 divided into four equal parts in the circumferential direction. It is adapted to be rotationally driven by a drive device (not shown). And this drive device (not shown)
The fruits and vegetables S supplied into the accommodating recess 11 can be sequentially charged, and the rotation of the rotator 12 is stopped when the number of fruits obtained by the number conversion means (not shown) is added.

Reference numeral 15 denotes a carry-out conveyor that sends the storage box 4 containing a predetermined amount forward.

The operation of the embodiment configured as described above will be described.

The empty storage box 4 carried by the empty box carrying conveyor 5 is pushed out onto the carrying conveyor 6 by the pushing arm 51 at a predetermined placement position. Transport conveyor 6
The storage boxes 4 pushed up are sorted into two rows on the transport conveyor 6 by the sorting conveyor 7. The storage boxes 4 and 4 arranged in two rows by the sorting conveyor 7 are transported on the transport surface of the transport conveyor 6, and first, the weighing means 8 on one side is fed.
It is set on the table 82 of A. When the storage box 4 is set on the mounting base 82, the mounting base 82 is rotated upward by a predetermined angle by the air cylinder 84 and stands by.

On the other hand, the fruits and vegetables S of a predetermined class, which are conveyed in large quantities by the large output conveyor 1, are transferred by the forward and reverse conveyors 3.
It is supplied to the weighing means 8A on one side. That is, the fruits and vegetables S conveyed by the forward / reverse conveyer 3 are sequentially put into the storage box 4 which is tilted on the one-side mounting table 82 and stands by, and the weight thereof is weighed by the weighing machine 80. Then, the measured value (14,
5 kg), the weighing device 80 will move to the forward / reverse conveyor 3
A switching signal for switching the conveyance direction is output to. When the transport direction of the forward / reverse conveyor 3 is switched to the reverse direction by this switching signal, the fruits and vegetables S on the forward / reverse conveyor 3 are supplied to the accommodation box 4 on the weighing means 8B on the other side. Then, the scale 80 on the one side measures the final weight of the fruits and vegetables S in the storage box 4 after outputting the switching signal. The weighed storage box 4 is conveyed to the forward horizontal transfer device 9 by the transfer conveyor 6 and transferred to a predetermined position below the number input means 10 by the horizontal transfer device 9.

Based on the measured final weight, a quantity conversion means (not shown) calculates a remaining amount value up to a predetermined amount (15 kg), and the remaining amount value is converted into the number of fruits and vegetables S. For example, when the average weight of fruits and vegetables S is 100 g and the remaining amount is calculated to be 500 g, the number of fruits and vegetables S is 5
Calculated as individual. When the input number is converted, the number input means 10 inputs the converted number of fruits and vegetables S into the storage box below. The storage box 4 containing a predetermined amount is transported forward by the carry-out conveyor 15 and the fixed-quantity packing operation of the storage box 4 supplied to the one side weighing means 8A is completed.

When the supply to the weighing means 8A on one side is completed, the accommodation box 4 on the weighing means 8B on the other side is packed in a fixed quantity by the same operation as described above. Therefore, the fruits and vegetables S supplied from the large output conveyor 1 are
By switching between the one-side measuring means 8A and the other-side measuring means 8B and supplying, it is possible to continuously supply the large-scale conveyor 1 without stopping.

[0032]

According to the automatic weighing and packing apparatus for fruits and vegetables according to the first aspect of the present invention, not only the predetermined amount of the fruits and vegetables is supplied to the container, but also the final total weight of the fed fruits and vegetables is weighed up to the predetermined amount. Is calculated, and the remaining amount is converted into the number of fruits and vegetables, and the number of fruits and vegetables thus obtained is put in, so that the drive stop signal of the dispensing conveyor is output as in the conventional one. Nevertheless, the weighing-in accuracy was improved by eliminating the phenomenon of dipping in which fruits and vegetables that were being dropped from the dispensing conveyor were fed.

Furthermore, since the storage box containing the immediately preceding amount is conveyed by the conveying means by the conveying means to the predetermined amount at another station, the large-scale supply is performed at the time of small-scale supply (quantity input). It is possible to reduce the cycle time up to the fixed quantity boxing, and the boxing efficiency is improved.

Further, according to the automatic weighing and packing apparatus for vegetables and fruits of claim 2, since the feeding conveyor capable of forward and reverse driving is provided at the tip of the large-scale feeding conveyor, the conveying direction is switched.
The supply of the large-scale conveyor can be continuously performed without interruption, and efficient box packing can be performed.

[Brief description of drawings]

FIG. 1 is a front view of a main part of an embodiment of the present invention.

FIG. 2 is a plan view of the same.

3 is a cross-sectional view taken along the line AA of FIG.

FIG. 4 is a sectional view taken along line BB of FIG.

5 is a cross-sectional view taken along the line CC of FIG.

[Explanation of symbols]

1: Large output conveyor S: Fruits and vegetables 2: Small output conveyor 3: Forward / backward conveyor 4: Storage box 5: Empty box transfer conveyor 51: Extrusion arm 52: Air cylinder 6: Transfer conveyor 7: Sorting conveyor 71: Chain conveyor 72: Attachment 8: Measuring means 80: Measuring device 81: Supporting column 82: Mounting table 83: Support shaft 84: Air cylinder 841: Piston rod 85: Link mechanism 9: Lateral transfer device 91: Slide shaft 92: Locking piece 93: Motor 94: Screw shaft 10: Quantity input means 11: Recessed portion 12: Rotating body 13: Rotating shaft 15: Unloading conveyor

Claims (2)

[Claims] 1. A main supply means for supplying a predetermined amount of a predetermined amount of fruits and vegetables of a predetermined class to a storage box, and a final total weight of the fruits and vegetables supplied from the main supply means to the storage box on the platform. Weighing means, a carrying means for carrying the storage box on the mounting table after the weighing, and a remaining amount value up to the predetermined amount based on the final total weight weighed by the weighing means, and the remaining amount value is calculated. Automatic weighing of fruits and vegetables, comprising: a unit for converting the number of fruits and vegetables into the container box for feeding the number of fruits and vegetables obtained by the converting unit to the storage box transported by the transporting unit. Boxing device. 2. A large-scale conveyer for conveying fruits and vegetables of a predetermined class, and a conveying direction provided in the vicinity of the end of the large-scale conveyer so that their conveying directions are orthogonal to each other. A supply conveyor that can be switched to either the forward direction or the reverse direction by a switching signal, and the total weight of fruits and vegetables that are respectively provided below both ends of the supply conveyor and that are supplied from the supply conveyor to the storage box on the platform. And a weighing means for outputting the switching signal when the measured value reaches an amount just before a predetermined amount and for measuring the final gross weight of the fruits and vegetables after the output, and a storage box on the mounting table after the weighing. Is provided corresponding to the conveying means and the measuring means, the remaining amount value up to the predetermined amount is obtained based on the final total weight measured by the measuring means, and the remaining amount value is calculated as the number of fruits and vegetables. Means for converting, automatic weighing packing device fruit or vegetable, characterized in that the number of fruits or vegetables obtained by means of the conversion with a, a number dosing means for supplying the container box conveyed by said conveying means.