JPH09254924A - Packaging apparatus - Google Patents

Abstract

PROBLEM TO BE SOLVED: To improve packaging by utilizing a packaging machine effectively. SOLUTION: Spinach is manually estimatingly divided into bundles comprising 200 to 220g which is appropriate for one package and put on a product projection conveyer 14. The bundle is weighed by a weighing conveyer 14 during transfer. When a weight of the spinach is larger or excessively smaller than a predetermined range, a slide conveyer 16 moves for sending the spinach to a return conveyer 23. When the weight of the spinach is within the predetermined range, it is sent to downstream transfer conveyers 17, 18 as it is. When the weight of the spinach is slightly less than the predetermined range, a supplement conveyer 21 is driven to acid spinach for sending downstream. The bundles of spinach within a determined weight which are transferred by the transfer conveyers 17, 18 are put into a packaging machine 2 for packaging.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to, for example, a packaging device for bagging a certain amount of spinach.

[0002]

2. Description of the Related Art Conventionally, there has been known a packaging machine for bagging bulk items such as spinach and other vegetables. This packaging machine is capable of automatically producing a pack in which spinach is packed in a bag by introducing a bundle of spinach weighed to a predetermined weight.

[0003]

However, in the above-mentioned conventional structure, it is necessary to accurately measure the bulk material and put it into the packaging machine, which makes it difficult to effectively use the packaging machine and it is difficult to improve the work efficiency. Have a problem with.

The present invention has been made in view of the above circumstances, and an object of the present invention is to provide a packaging apparatus capable of efficiently and smoothly performing packaging work.

[0005]

A packaging apparatus according to claim 1, further comprising: a transporting means for transporting the article to be packaged along a transport path, and a weighing means for weighing the article to be packaged transported on the transport path. A sorting means for discharging from the conveying path the objects to be packaged which are weighed out of the quantitative range by the weighing means, and a packaging object which is located on the downstream side of the distributing means and is conveyed through the conveying path. And a packaging means for

In this structure, when the object to be packaged is conveyed to the conveying path in an appropriate amount, the object to be conveyed is weighed by the measuring means. Then, the objects to be packaged which are weighed out of the quantitative range are discharged from the transport path by the sorting means, while the objects to be packaged which are weighed within the quantitative range are transported further downstream in the transport path and packaged by the packaging means. To be done. As described above, since the object to be packaged, which is weighed within the fixed amount range, is supplied to the packaging means, the packaging means is effectively used, and the packaging work is performed efficiently and smoothly.

According to a second aspect of the present invention, there is provided a packaging apparatus, which conveys an article to be packaged along a conveying path, weighing means for weighing the article to be packaged conveyed on the conveying path, and predetermined by the weighing means. A sorting means for discharging the objects to be packaged that are weighed out of the range from the transport path, a replenishing means for replenishing the shortage of the objects to be packaged during transport to the transport path, and a downstream side of the sorting means. And a packaging means for packaging the article to be packaged transported through the transport path.

With this structure, when the packaged object is conveyed to the conveying path in an appropriate amount, the conveyed object is weighed by the measuring means. Then, the objects to be packaged which are weighed out of the predetermined range are discharged from the transport path by the sorting means, while the objects to be packaged which are weighed within the predetermined range are transported further downstream in the transport path. Furthermore, if the packaged object that has been conveyed to the downstream side of the conveying path through the sorting means is less than the quantitative range, the packaged object is replenished by the replenishing means, and the weight within the quantitative range is added to the packaging means. To be packaged. As described above, since the object to be packaged, which is weighed within the fixed amount range, is supplied to the packaging means, the packaging means is effectively used, and the packaging work is performed efficiently and smoothly.

[0009]

BEST MODE FOR CARRYING OUT THE INVENTION An embodiment of a packaging device of the present invention will be described below with reference to the drawings.

In FIG. 1 and FIG. 2, reference numeral 1 denotes a packaging system as a packaging device. The packaging system 1 packs spinach, which is a vegetable and vegetable as an object to be packaged, within a fixed amount range, and further packs the spinach. It is designed to be boxed. The packaging system 1 includes two packaging machines 2 as packaging means, a first transport path 11 as a transport path for transporting loose spinach to these packaging machines 2, and a bag of spinach. And a second transport path 12 for transporting the formed pack.

The packaging machine 2 is a so-called continuous vegetable packaging machine, and is equipped with a bag-making machine for producing bags from a film. Then, when the worker P throws in the bundle of spinach picked up from the downstream side of the first transport path 11 through the upper input port 2a, the spinach is bag-packed in a state where the upper and lower sides are sealed or the upper side is opened. The puck is thrown down,
It is adapted to be supplied to the upstream side of the second transport path 12.

Further, the first transfer path 11 has a product loading conveyor 14 serving as a transfer unit, which constitutes a transfer unit, a weighing conveyor 15 as a weighing unit, a slide conveyor 16 as a sorting unit, and a motor roller. A plurality of transfer conveyors 17, 18 and the like, which constitute a transfer means driven by, are sequentially connected from the upstream side to the downstream side.
Further, along the upper side of the weighing conveyor 15, two replenishing conveyors 21 as replenishing means are provided on the first conveying path 11. Further, a curve conveyor 22 is provided below the slide conveyor 16 and is connected to the curve conveyor 22 so as to project to the side of the slide conveyor 16 and serve as a return conveyor 23 as a return section.
Is provided.

The product feeding conveyor 14 is, for example,
A belt conveyor with crosspieces provided with projecting crosspieces 14a alternately on the conveying surface at intervals of 100 mm and 400 mm. For example, five workers P are arranged on both sides of the product feeding conveyor 14 and spinach. It is designed to be put in the range of 200 g to 220 g which is the quantitative range of the weight of one package.

Further, the weighing conveyor 15 is equipped with a weighing device for measuring the weight of the articles to be transported, and in the present embodiment, the weight of the bundle of spinach is measured to be 180 g or less, 180 g to 200 g, 200g-220g, 220
It is designed to be classified into 4 stages above g.

Further, as shown in FIG. 3 and the like, the slide conveyor 16 is based on the weighing result of the weighing conveyor 15,
It is driven forward and backward by a piston or the like along the conveyance direction of the first conveyance path 11 to intermittently connect the first conveyance path 11. That is, this slide conveyor 16 makes the first transport path 11 continuous in the range of 180 g to 220 g in which the spinach to be transported is within the predetermined range, and the first conveyor path 11 is continuous in the range of 180 g or less or 220 g or more outside the predetermined range. An opening is formed in the first transport path 11 to discharge spinach.

On the other hand, the replenishing conveyor 21 is provided with crosspieces at a predetermined interval, and the operator P previously sets the crosspieces to 20.
Spinach is placed in g tufts,
It is adapted to be rotationally driven based on the weighing result of the weighing conveyor 15. That is, the replenishment conveyor 21 is always stopped and the weight of the spinach is 180 g.
It is driven to rotate only in the range of ~ 200g and the first transport path 11
1 bunch (single bundle), that is, 20 g of spinach is replenished on the top, and the weight of the spinach to be conveyed is 200 g to 2% of the standard.
It is supposed to be 20g.

A curve conveyor 25 is provided in the middle of the transfer conveyors 17 and 18, and one packaging machine 2 is arranged at each of the upstream side and the downstream side of the curve conveyor 25. Therefore, the spinach transported on the transport conveyors 17 and 18 is first packed in the upstream packaging machine 2 as much as possible, and the spinach that has not been processed by the upstream packaging machine 2 is packaged in the downstream packaging machine. It comes to be wrapped in 2.

On the other hand, the second transport path 12 is provided with first and second pack transport conveyors 31 and 32 for transporting the packs of spinach, which are produced by the respective packaging machines 2, and which are respectively packed, and these pack transport conveyors 31. , 32 and a third pack transfer conveyor 33 connected to the downstream side. Further, on the downstream side of the third pack transfer conveyor 33,
A rotary table 35 that constitutes a box packing unit is provided, and the conveyed packs are buffered (stored) on the rotary table 35. A box 36 is provided adjacent to the rotary table 35 so that the worker P can
The packs picked up from 35 are packed on a packing stand 36 and sealed with a carton sealer 38 using an adhesive tape or the like.

Next, the operation of this embodiment will be described.

First, the operator P manually puts the spinach
The proper amount of one package is divided into 200 g to 220 g, and this spinach bundle is divided into product distribution conveyors.
Put on.

Then, this spinach bundle is weighed while passing through the weighing conveyor 15. When the weight of the spinach is within the fixed range of 200 g to 220 g, the slide conveyor 16 makes the first transport path 11 continuous and the spinach transported from the product feeding conveyor 14 is the weighing conveyor 15.
And it is directly conveyed to the conveyer conveyors 17 and 18 via the slide conveyor 16.

On the other hand, when the weight of the spinach is outside the predetermined range, that is, in the range of 180 g or less or 220 g or more, that is, when the weight of the spinach exceeds the quantification range or is excessively small, the slide conveyor 16 moves to the first position. An opening is formed in the transport path (11), and spinach transported from the product feeding conveyor (14) is discharged downward from the end of the weighing conveyor (15). Then, the spinach discharged downward falls on the curve conveyor 22, is conveyed to the return conveyor 23 via the curve conveyor 22, and is conveyed to the side of the first conveyance path 11. And it is adjusted appropriately by humans,
It is placed on the product feeding conveyor 14 again.

The weight of spinach is 180 g to 20 g.
In the range of 0 g, the slide conveyor 16 has the first conveyance path 11
And the replenishing conveyor 21 is driven to
The spinach is replenished with 0 g and the weight of the spinach to be transported is controlled to 200 g to 220 g within the fixed range, and the spinach is transported to the transport conveyors 17 and 18 via the slide conveyor 16.

Then, the spinach in the fixed amount range conveyed on the conveyors 17, 18 is picked up by the worker P, put into the packaging machine 2 and packaged.

Further, the pack containing spinach is
The sheet is conveyed through the second conveying path 12 and put into the rotary table 35, and is sequentially packed by the worker P in a box.

As described above, according to this embodiment, the first
The spinach is weighed during transportation on the weighing conveyor 15 by placing the spinach into the product loading conveyor 14 of the transport path 11 of the product in an appropriate amount, and the spinach weighed outside the predetermined range is slid. First conveyor path by conveyor 16
Only the spinach discharged from 11 and weighed within the predetermined range can be further transported to the downstream side and supplied to the packaging machine 2 for packaging. Since the weighing can be carried out smoothly and efficiently in this way, the capacity of the packaging machine 2 can be effectively utilized to carry out the packaging work efficiently and smoothly.

When the spinach conveyed on the first conveying path 11 does not reach the weight within the fixed range, a small amount of the spinach is replenished by the replenishing conveyor 21 so that the packaging machine 2 is controlled to have the weight within the fixed range. Spinach can be supplied.
Therefore, the allowable range of the weight of the spinach to be fed to the product feeding conveyor 14 becomes large, and the packaging work can be carried out efficiently and smoothly.

In the above-described embodiment, the slide conveyor 16 that moves forward and backward on the downstream side transport path is used as the sorting means, and the spinach that is the object to be packaged is
A height of about 60 mm, which is the thickness dimension of the slide conveyor 16, is dropped, and the slide conveyor 16 is transferred to the transport conveyor 17 on the downstream side. For this reason, the bundle may be scattered depending on the state of the spinach that is the object to be packaged. For example, as shown in FIG. 4, as a distribution means, a belt conveyor 41 that rotates up and down with the upstream side as a fulcrum is used as a fulcrum. By selectively connecting the belt conveyor 41 to the downstream conveyer conveyor 17 and the return conveyer 23 smoothly, the vibration applied to the conveyed object is reduced and the conveyed object is prevented from being scattered. be able to.

Further, in each of the above-mentioned embodiments, a belt conveyor having a crosspiece is used as the conveying means constituting the conveyance path, but the present invention is not limited to this, and a conveyor without a crosspiece, or Flat top conveyor,
An appropriate conveyor such as a slat conveyor or a pallet conveyor can be used. On the other hand, as the distribution means, a pusher, a diverter, a slide shoe, or the like may be used, or an appropriate configuration such as a bottom-opening type sorting conveyor may be adopted.

Further, in the above embodiment, the spinach can be replenished by 20 g at a time by the replenishment conveyor 21, but two rows of replenishment conveyors are provided, and spinach is prepared in units of 20 g on one side and 40 g on the other side. By preparing spinach in a unit, it is possible to selectively supplement 20 g, 40 g and 60 g. Furthermore, it is also possible to replenish a plurality of prepared spinach bundles in units of 20 g.

Further, in each of the above-described embodiments, the product loading conveyor 14, the weighing conveyor 15, the slide conveyor 16, the transfer conveyors 17 and 18, the replenishing conveyor 21, etc. are provided separately, so that versatility can be improved. Although it is possible, by appropriately integrating these conveyors (means) or the like, it is possible to facilitate handling and improve the appearance.

Further, in each of the above-mentioned embodiments, the two packaging machines 2 are provided along the first transport path 11, but the amount of the articles to be packaged to the product loading conveyor 14 and the weighing are measured. It is also possible to provide one packaging machine 2 or three or more packaging machines 2 according to the throughput of the conveyor.

Further, in each of the above-described embodiments, the weighing and packaging system for vegetables such as spinach has been described.
In addition to the above, the items to be packaged include, for example, items that can be packed in a vinyl bag, such as loose items such as bolts and nuts, and those that are sold in transparent plastic bags in so-called supermarkets. be able to.

[0034]

According to the packaging apparatus of the first aspect, by conveying the object to be packaged to the conveying path in an appropriate amount, the object to be conveyed is weighed by the weighing means and is out of the quantitative range. The objects to be packaged that are measured can be discharged from the transport path by the sorting means, and only the objects to be packaged that are within the fixed amount range can be transported further downstream in the transport path and supplied to the packaging means for packaging. In this way, by transporting the packaged article into the transport path in an appropriate amount, the packaged article can be supplied with the packaged article weighed within the quantitative range. The packaging work can be carried out efficiently and smoothly.

According to the packaging apparatus of the second aspect, the packaged object is conveyed to the conveying path in an appropriate amount,
The objects to be conveyed are weighed by the weighing means, and the objects to be packaged that are out of the predetermined range are discharged from the conveying path by the sorting means, and only the objects to be packaged that are within the predetermined range are moved further downstream in the conveying path. If the objects to be packaged that have been transported and further transported to the downstream side of the transport path through the sorting means are less than the quantitative range, the items to be packaged are replenished by the replenishing means and the quantitative range is set in the packaging means. It is possible to supply and package an object to be packaged with an internal weight. In this way, by transporting the packaged article into the transport path in an appropriate amount, the packaged article can be supplied with the packaged article weighed within the quantitative range. The packaging work can be carried out efficiently and smoothly.

[Brief description of drawings]

FIG. 1 is a plan view showing an embodiment of a packaging device of the present invention.

FIG. 2 is a side view of the same packaging device.

FIG. 3 is an explanatory view showing the operation of the above packaging device.

FIG. 4 is an explanatory view showing another embodiment of the packaging device of the present invention.

[Explanation of symbols]

 1 Packaging System as Packaging Machine 2 Packaging Machine as Packaging Means 11 First Conveying Path as Conveying Path 14 Product Loading Conveyor Constituting Conveying Means 15 Measuring Conveyor as Measuring Means 16 Slide Conveyor 17 as Distributing Means 17,18 Conveyor Conveyors Constituting Conveyor 21 Replenishing Conveyor as Replenishing Means

Claims (2)

[Claims] 1. A transport means for transporting an article to be packaged along a transport path, a weighing means for weighing the article to be packaged transported on the transport path, and the weighing step outside the quantitative range by the weighing means. A package comprising a sorting means for discharging the article to be packaged from the transport path and a packaging means located downstream of the sorting means for packaging the article to be packaged transported on the transport path. apparatus. 2. Conveying means for conveying an article to be packaged along a conveying path, weighing means for weighing the article to be packaged conveyed on the conveying path, and the weighing means outside the predetermined range. Sorting means for discharging the articles to be packaged from the transport path, replenishing means for supplementing the shortage of the packaged articles being transported to the transport path, and a downstream side of the sorting means for transporting the articles on the transport path. A packaging device for packaging the article to be packaged.