JPH03256823A - Case distribution conveyor at fruit sorting facility - Google Patents

Abstract

PURPOSE:To permit an efficient distribution of empty corrugated cardboard cases to the sorting and take-away parts by providing parallel to a sorting conveyor a case distribution conveyor for supplying a plurality of rows of said cases in a successive series. CONSTITUTION:Empty corrugated cardboard cases are sent from a case forming part at a second floor through a vertical conveying part onto a high-speed transfer conveyor 92, carried thereby and transferred therefrom onto the two horizontal lines of a case distribution conveyor 91, carried thereby and steered by supply parts 92 and 93 into appropriately assigned weight encasing parts 8. The case distribution conveyor 91 is provided parallel to a sorting conveyor 5, the one line thereof can be connected with the weight casing parts 8 at the five inner places in the moving direction of the sorting conveyor and the other line thereof can be connected with the rest of the weight casing parts 8 at the five outer places in the moving direction thereof. Even when a long sorting conveyor 5 is used with a large amount of fruit being sorted and taken away therefrom, a sufficient amount of the empty corrugated cardboard cases can be supplied on a stable basis without suffering the depletion thereof.

Description

DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a box distribution conveyor in a fruit sorting W4 facility.

[Problems to be solved by the prior art and the invention] In a fruit sorting facility where pears, apples, etc. are sorted into grades and packed into cardboard boxes, etc., guidance is provided from the box making equipment section of the 2N middle school. A box delivery conveyor is installed to feed the boxes to multiple weighing units installed on the sorting conveyor via a chute or vertical unloading device, but as the amount of sorting carried out by the sorting conveyor becomes enormous, the number of pull-out conveyors from the sorting conveyor also increases. Inevitably, a large amount of empty cardboard boxes is required to be supplied by the box distribution conveyor.

However, the conventional box distribution conveyor has a single-row conveyor configuration, and the empty cardboard boxes transferred on this conveyor can be appropriately fed by a box pushing arm toward a weighing section lined up in the transfer direction.

Therefore, there is a tendency for shortages in the supply to the weighing section located on the downstream side of the box delivery conveyor, causing troubles such as having to stop the entire device and wait for empty cardboard boxes to be supplied before restarting the zero operation. was.

[Means to solve the problem]

This invention aims to efficiently distribute empty cardboard boxes to each classification and discharge section, and takes the following technical measures.

That is, there is a predetermined weighing/boxing section 8 in which empty cardboard boxes are provided for each class or grade to accommodate objects to be sorted, such as fruits, which are sorted and taken out from the sorting conveyor 5 for each class or grade.
．． A box delivery conveyor 91 for supplying the boxes to the boxes 8, . A box distribution conveyor in a fruit sorting facility is configured such that supply sections 93, 94 for sequentially supplying empty cardboard boxes to sections 8, 8, . . . are respectively disposed.

[Operation and effect of the invention]

In the fruit sorting and packing work, a plurality of sorting and discharging sections are constructed before and after the transport direction of one sorting conveyor, and each of these is individually provided with a weighing and boxing section.
A box distribution conveyor that sequentially supplies a plurality of rows of empty corrugated cardboard boxes is provided in parallel with the sorting conveyor. ! Compared to the case where a box conveyor is installed, the supply rate can be increased, the drawbacks mentioned at the beginning can be solved, and work can be continued without time loss.

〔Example〕

An embodiment of this invention will be described based on the drawings.

Figure 1 shows a plan view of the citrus fruit delivery facility, and the upper floor has a cargo receiving section 1. A pre-processing section (not shown) for cleaning etc. is installed on the second floor. Five separate JJ conveyors are installed in series, and a lifting conveyor 6 is provided at the connection between the 1st and 2nd floors to sort the received citrus fruits into equal grades and divide them into multiple classification sections 7, 7. Discharge to either...

The weighing/packing sections 8, 8, . . . receive empty corrugated boxes suitably supplied by the box distribution device 9, pack them into boxes, and discharge the boxes onto the product conveyor 10.

The cargo receiving section 1 is made up of a roller conveyor 11 for conveying the loaded container, and a container damper 12.
It has a structure that allows the stored fruits to be discharged on three sides.

The fruit from the roller conveyor 13 is supplied to the starting end side of the bead removal section 2 via the lifting conveyor 6, and the conveyor 6 receives the conveyed material from the pre-processing section in the form of packets, for example. transferred to the supply side.

A part for discharging the fruit lifted up by the lifting conveyor 6 has a small bead removal part 2 via an appropriate conveyance device.

This small bead punching section 2 is formed by forming punching holes 22, 22... of a required diameter in a wide belt 21, and can punch out the punching holes 22, 22... from the fruits supplied to the belt 21 surface. Those that are not available are supplied to the subsequent sorting conveyor etc. for products.
The fruits that fall through the punching holes 22, 22, . . . are carried out of the sorting process.

The fruit for product processing from the bead removal section 2 is supplied to the grading section 3 via a chute (not shown). This grading section 3 has a belt conveyor 31 for receiving supplied fruit, and partition plates 33, 33 for partitioning the upper surface of conveyance by this belt conveyor 31 and forming a central part into a conveying passage 32 for different grades. The passage 32 can be set for superior products, and the left and right transfer passages 34, 34 can be set for superior products.

Connected to the grading section 3, an alignment supply section 4 is configured.

The alignment supply section 4 is formed in a receiving gutter so as to receive only one fruit in order to supply the fruit approximately evenly to a plurality of subsequent sorting conveyors 5, and is configured in the form of a belt conveyor or a vibrating conveyor. It is.

The sorting conveyor 5 that receives and transfers the fruits arranged in a line by the alignment and supply unit 4 is configured to be able to transfer one fruit to each cup, for example. A device 51 is provided for each strip, and the detection results are sent to a control section (not shown). A plurality of sorting sections 7, 7, . . . are installed in the transport direction of the sorting conveyor 5, and the fruit can be sorted and discharged to the corresponding sorting class by overturning the cup based on a command signal from the control section. 7
1.7]... is a drawer conveyor installed in each sorting section, and the fruit received by falling cups is transferred to each weighing and packing section 8, 8.
supply to...

The weighing and packaging section 8 has belt conveyors 82 and 83 for transferring and supplying the fruits from the drawer conveyor 71 to the empty boxes supplied on the weighing machine 81. The conveyor 83 is a wide, large supply conveyor that can receive and transfer fruits, and the conveyor 83 is a narrow single piece feeding conveyor that can load and transfer fruits one by one. 84
is a switching plate for supplying the fruit from the large supply conveyor 82 to the box on the weighing platform 81 or the following empty box.

The structure is such that empty cardboard boxes can be supplied to the 81 weighing machines by a four-box device 9. The box distribution device 9 consists of a box distribution conveyor 91, a high-speed transfer conveyor 92, supply sections 93, 94, etc., that is, from the rice-making device section on the second floor, etc., the rice is loaded onto the high-speed transfer conveyor 92 via the vertical unloading device section and transported. The empty corrugated cardboard boxes are placed on the box distribution conveyor 91 in two rows on the left and right and transferred to the appropriate weighing and packaging section 8 by the supply sections 92 and 93. This box delivery conveyor 9
1 is provided in parallel with the sorting conveyor 5, one of which can be connected to the weighing and boxing sections 8 at five locations on the upper side in the transfer direction of the sorting conveyor, and the other is connected to the remaining boxing and weighing sections at five locations on the lower side in the transfer direction. 8. FIG. 3 shows supply sections 93 and 94 from the box distribution conveyor 91 to the weighing and packaging section 6, and both are configured to be fed out by end chains 96, 9G or 97, 97 equipped with a box pushing attachment 95. , These endless chains are wound around the driving side key and the driven side sprocket 98, 98..., and among the empty cardboard boxes transferred in two rows on the left and right, the empty cardboard box R is placed in the lower side supply section 9.
On the 96° 96 side of the endless chino 96 corresponding to No. 3, the empty corrugated cardboard boxes are fed out and transferred on the endless chino 9 and 9 fu sides corresponding to the upper supply section 94, respectively. In addition, 91a is a conveyance roller of the box distribution conveyor 91, 91b is a guide for preventing the empty cardboard box from falling off to the side, and 91c is an intermediate partition between the empty cardboard boxes that are transferred in parallel from side to side. Incidentally, 91d is a stopper for stopping empty cardboard boxes, which can be moved into and out of the transport route of the box distribution conveyor 91.

101 is a roller conveyor for carrying out products.

The action of the upper side will be explained.

The citrus fruit carried in the grape receiving part 1 is placed in the container damper 1.
At step 2, the material is discharged onto the surface of the diffusion roller conveyor 13, and as it rolls on the surface of the roller conveyor 12, out-of-grade products such as chains are removed by visual judgment by the worker.

The remaining fruits are supplied to the bead removal section 2 through pre-processing steps such as washing, waxing, and drying, and a lifting conveyor 6. Fruits that fall through the punch holes 22, 22, etc. of the belt 21 whose diameters are set in advance are not considered as products and are carried out of the sorting process. The remaining fruit is supplied to the grading section 3 and visually determined by a first grade worker to be classified as superior or superior, and the remaining fruits on the belt conveyor 31 are classified as superior or superior.
Items to be transferred to the transfer passage 32 are set as excellent items.

Each of these excellent and superior products is arranged in a predetermined plurality of rows and at intervals in front and back in the alignment supply section 4, and one cup is placed on the sorting conveyor 5 for each cup.
Supplied individually. The outer shape data of each fruit is detected by the shape detection imaging device ff151 on the starting end side of the sorting conveyor 5. The data is transmitted to the control section, where it is compared with class-specific data set and stored in advance to determine which class the detected data belongs to. Based on this detection result, when the cup reaches a predetermined sorting section 7, the posture is changed to an inclined position and the fruit is discharged.

The fruits thus sorted and discharged for each class are carried out from the sorting conveyor 5 by the nine-output conveyor 71, and are supplied to the respective starting ends of the large supply conveyor 82 and the one-piece feed conveyor 83, which are connected to the lower side. The large supply conveyor 82 is always in operation and supplies most of the received fruits to the empty cardboard box on the weighing platform 81.The one-piece feed conveyor 83 is capable of receiving and transporting each fruit one by one. The weight (14,
5 kg), the switching plate 86 changes its position and can supply the fruits from the large supply conveyor 82 to the empty cardboard boxes waiting just above the weighing platform 81. In this way, the missing weight (0.5 kg) is made up by supplying the -piece conveyor 83 alone, and when the predetermined weight is reached, the next box is pushed out onto the weighing platform 81 by the supply section 93 or 94. At the time of delivery, the loaded box is pushed out onto the delivery roller conveyor 98, transferred to the product delivery conveyor 101, and is appropriately provided on the shipping route.

In the above-mentioned sorting and packaging process, empty cardboard boxes are supplied by the operation of the box distribution conveyor 91 and the box extrusion supply unit 93 or 94. On this box distribution conveyor 91, empty cardboard boxes are placed in two rows. Since the fruits are transferred to the weighing and packaging sections 8, 8, . Empty cardboard boxes can be stably supplied.

In addition, if it is necessary to vary the size of the empty cardboard boxes depending on the product form of the fruit to be sorted and discharged, the feeding onto the box distribution conveyor 91 can be set in multiple rows, which can be easily accommodated. Become.

[Brief explanation of drawings]

The figures show one embodiment of the present invention, in which Fig. 1 is an overall plan view, Fig. 2 is a partial plan view thereof, Fig. 3 is a front view of a conveyor that supplies the weighing and packaging section, and Fig. 4 is a plan view of a portion of the conveyor. The figure is a side view of a part thereof, and FIG. 5 is a sectional view of the main part. In the figure, 1 is a cargo receiving section, 3 is a grade sorting section, 4 is an alignment supply section,
5 is the sorting conveyor, 7, 7... is the classification section, 71.71
... is a drawer conveyor, 8,8... is a weighing and boxing section, 8
1 is a weighing platform, 82 is a large supply conveyor, 83 is a single transparent conveyor, 9 is a box distribution device, 91 is a box distribution:
93 and 94 are supply parts, 95 is a box pushing attachment, and 96°96.97.97 is an endless chino.

Claims (1)

[Claims] (1) A predetermined weighing and boxing section 8 in which empty cardboard boxes are provided for each class or grade to accommodate objects to be sorted, such as fruits, which are sorted and taken out from the sorting conveyor 5 for each class or grade.
. A box distribution conveyor in a fruit sorting facility is provided with supply sections 93 and 94 that sequentially supply empty cardboard boxes to packing sections 8, 8, . . .