JP2002321702A - Wrapping system for fruit, vegetable, lunch box and the like - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a wrapping system and a device to simplify selecting operation by which a long time labor in complicated packaging operation of a soft fruit and the like is shortened, and a trouble of a bruise or the like arisen when the soft fruit or the like is wrapped is not caused by mechanization of the wrapping operations manually performed conventionally. SOLUTION: Packaging operations for a container 24 is simplified by installing a carry-in conveyor B, and contents such as soft fruit or the like can be wrapped without the bruise with a wrap film 10 with an adhesive agent applied which does not substantially elongate, using a wrap film covering apparatus 15 and a wrapping conveyor 14. The container 14 after the wrapping is lined up onto a collection line-up stand F from the upper part of a discharge collection conveyor D by a container pusher E to simplify the selecting/boxing operation.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION The present invention relates to an improvement in workability on a complicated packing work table by providing a carry-in conveyor on the packing work table, and at least a part of the opening of a container by a wrapping mechanism. When covering the periphery of the wrap film to the outer surface of the container by covering from the wrap film with adhesive or adhesive near the periphery, do not damage the soft fruits and the like packed in a partially raised state, and dare Arrange an adhesive applicator to apply the adhesive to a part of the wrap film where the adhesive is not applied, after wrapping,
Store multiple items on the discharge accumulating conveyor, transfer them to the collecting and aligning table with the container pusher, finish the automatic operation of the wrapping device after storing the set rows, notify the end by sound or light, etc. Involved.

[0002]

2. Description of the Related Art Wrapping of soft fruits and the like partially packed in a container in a swelled state is unequal in dimensions peculiar to agricultural products and easily crushed or damaged due to softness and softness. Automatic wrapping is extremely difficult and has no stickiness. Wrapped film with adhesive tape, or cut the long wrapped film with adhesive and adhesive on the periphery with a manual cutter, cover it by hand, and glue it to the outer surface of the container by hand In addition, a single work such as a manual cutter for a wrap film and a container waiting for the wrapping after sorting and weighing is complicated on the packing work table.

[0003]

Conventionally, soft fruits and the like are carefully wrapped with care and with great care, because they have the property of being easily damaged even when a small force is applied to the entire epidermis or the like. Because there is. In particular, fresh fruits such as strawberries and grapes are considered to be difficult to mechanize, because even small wounds are damaged in a short time and do not become commercial products. Therefore, the lapping work requires human labor and a long period of domestic work is a common practice. Particularly in the season of strawberries and grapes, the work is continued for a long time until after midnight every day. This wrapping device is to reduce long working hours at home.

[0004] Under the circumstances described above, the present invention is a mechanism that does not apply a small force to the wrapping of a soft fruit or the like that is partially swelled and does not cause damage, and that the wrapping fits so that the contents in the container do not pop out. It is an object of the present invention to provide an apparatus which can carry out sorting and packing of goods in a short time by a stacking and aligning mechanism after wrapping, and which can be wrapped by a simple operation.

[0005]

In order to achieve the above-mentioned object of the present invention, a carry-in conveyor is provided on a loading work table, and containers transported irregularly are transferred to a wrapping conveyor, and the containers are transferred to the wrapping conveyor. A frame is provided, and a roll of a long wrap film having a predetermined width larger than a container opening in which an adhesive is applied to a part of the frame is provided. Wrap film holder that holds the wrap film in a spread state, a wrap film drawer that pulls out the wrap film to a predetermined position, a wire that cuts the wrap film to a predetermined size, and a part of the cut wrap film at the top A wrap film covering device that covers the container opening that is packed in a raised state, and a wrap film bonding device that bonds a wrap film wider than the container opening to the outer surface of the container When the wrap film is adhered to the outer surface of the container, it does not damage the soft fruits and the like packed in a partially raised state, is transferred from the frame to the discharge accumulation conveyor, and a predetermined number is placed on the accumulation alignment table. A wrapping device characterized by facilitating sorting of the soft fruits and the like packed in a partially raised state by accumulating and aligning.

In the wrapping apparatus constructed as described above, a carry-in conveyor is provided on a packing work table, and a container packed in a partially swelled state is placed on the carry-in conveyor on an irregular basis. When transferred to the wrapping conveyor, it is preferable to transfer one by one.

[0007] Then, a frame is arranged on a wrapping conveyor, and a roll is wound around which a wrap film having a predetermined width larger than a container opening in which an adhesive is applied to a part of the periphery of the frame is provided. A wrap film retainer that holds the wrap film in a state of being spread on the frame, a wrap film drawer that pulls the wrap film to a predetermined position, a wire that cuts the wrap film to a predetermined length, and a cut wrap film A wrap film covering device for covering a container opening partly packed in a swelled state on an upper portion, and a wrap film bonding device for bonding a wrap film larger than the container opening portion to the container outer surface, wherein the wrap film is a container outer surface. It is preferable that the soft fruits are discharged from the frame without damaging the soft fruits and the like of the container partially packed in a swelling state.

When a container packed in a partially raised state from the frame is discharged from the frame after wrapping, a discharge stacker is provided and transferred, a plurality of containers are stored on the conveyor, and the containers are stacked and aligned by a container pusher. It is preferable to automatically stop the operation of the wrapping device when it is transferred to the stand and the setting row is satisfied, and notified by sound or light.

As the wrap film, a film which is substantially non-shrinkable with an adhesive applied to a part of its periphery is suitable, but a non-shrinkable wrap film to which no adhesive is applied is used by an automatic adhesive applicator. It is preferable to apply during the operation of the lapping device.

[0010]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A wrapping apparatus according to the present invention is shown in FIG.
As shown in the plan view, a plurality of containers (hereinafter referred to as "containers") partially packed in a raised state at the work table A on the carry-in conveyor B installed on the packing work table A are transported irregularly. The above-mentioned carry-in conveyor when one is transferred onto the wrapping conveyor D provided in the frame (lapping mechanism) C
B is temporarily stopped, and at the same time as the container that has been transferred onto the wrapping conveyor 14 has completed wrapping, the carry-in conveyor B starts to convey, and the container that has completed wrapping from the wrapping conveyor 14 moves to the discharge accumulation conveyor D. The number of the set and plural set numbers is counted by the number detector 34 attached to the side of the discharge accumulation conveyor D, accumulated on the discharge accumulation conveyor D, and before and after the high pressure air cylinder 35 of the container pusher E attached to the side of the discharge accumulation conveyor D. In the movement, the stored containers are transferred to the stacking and aligning table F, and when the set rows are aligned and stored in the stacking and aligning table F, the operation cycle of the wrapping device is completed and notified by sound or light. I do.

The outline of the configuration of the lapping mechanism will be described with reference to the side view of FIG. 2 and the front view of FIG. As shown in FIGS. 2 and 3, a long wrap film 10 (hereinafter referred to as a film) wound in a tubular shape is formed of a material that does not substantially shrink. A rotating central shaft 17 is inserted into the film 10, and both ends of the rotating central shaft 17 are supported rotatably in a horizontal state in an arm shape from the rear surface of the frame support frame 18. Film 1 drawn from rotating central shaft 17
Numeral 0 passes on the lower surface of the guide roller 19 inside the frame support frame 18 and is placed on a lap stabilizer 20 protruding forward from the front surface of the frame support frame 18. Lap stabilizer 2
The leading end of the wrap film 10 on the upper side protrudes slightly forward from the leading end of the lap stabilizer 20, and presses above the leading end of the wrap film 10 and projects forward of the front of the frame support frame 18 in front of the wrap stabilizer 20. The bar 11 is moved up and down by a high-pressure air cylinder 21 to stabilize the pressing.

In this embodiment, the width of each of the wrap stabilizer 20 and the pressing rod 11 along the width direction of the film 10 is as shown in FIG.
0, the width of the wrap stabilizer 20 and the pressure rod 1 at the periphery of the film 10 in the width direction of the film 10.
Each of the portions located on both outer sides of each of 1 has a widthwise end of the pressing rod 11 slightly protruding outward from the wrap stabilizer 20.

As shown in FIG. 4, the film 10 has an adhesive 10a in the vicinity of both outer sides in the width direction.
In addition, it is applied in a slender manner up to the last portion wound in a cylindrical shape with a predetermined width in the longitudinal direction, but a plurality of such coatings may be arranged apart from each other within a range of a predetermined length in the long direction. . Even if the film 10 does not have the adhesive 10a in advance, the adhesive applicator nozzle 33 is disposed along both inner sides of the lower part of the stabilizer 20 in FIG. 3 to automatically apply the adhesive at the time of lapping. Can be done. The film 10 has a detection mark 10b
Are marked with a plurality of preset lengths. Incidentally, the film 10 may be a film on which the detection mark 10b is not marked.

A detector 22 for detecting each of the detection marks 10b of the film 10 is installed on the inner middle arm of the frame support frame 18, and is of an optical type. Not connected to the control circuit. As shown in FIG. 4, the wrap film detector 22 holds the peripheral portions 10c of the film 10 on the wrap stabilizer 20 by a pair of wrap film holders 13 (hereinafter referred to as a film holder) and waits. Further, the film 10 is pressed between the film 10 and the lap stabilizer 20 by a pressing rod 11.

The above-mentioned container 24 is transferred from the carry-in conveyor B of FIG. 1 onto the wrapping conveyor 14 of FIG. 2, and is being moved forward by a motor 26 attached to the side of the wrapping conveyor 14, while the wrapping conveyor is being moved. At the same time as being detected by the container detectors 25 attached to both sides of the wrapping film 14, the pressing bar 11 releases the pressing, and the wrapping film 10 held by the film holder 13 and waiting is sent to the wrapping film drawer motor 23. 4, the intermediate detector 22 detects the passage of the one side detection mark 10b of the wrap film 10 as shown in FIG. 4, and stops the wrap film drawer motor 23 shown in FIGS. 11 is a linear body 1 that presses the wrap film 10 between itself and the wrap stabilizer 20 to cut the wrap film.
2b descends and rises, cuts the wrap film 10, and the wrapping conveyor 14 stops as soon as the container 24 completes passing through the container detector 25a attached in front of both sides of the wrapping conveyor 14, and the container 24 is set at the set wrapping position. Stop reaching.

The film holder 13 waiting above the container 24 stopped at the set position includes a plurality of holding members 13c, and a pair of high-pressure air cylinders 1 is attached to the holding members 13c.
3a is provided, and the wrap film 10 is held by opening and closing the holding member 13c up and down. An elastic member 13b is attached to a portion of the holding member 13c that comes into contact with the side surface of the container 24.

The pair of lap covering devices 15 are supported by an opening / closing member 15b so as to open and close left and right by the movement of the piston of the high-pressure air cylinder 15a. The opening / closing member 15b is supported by a high-pressure air cylinder 16 that moves up and down.
Arrows X and Y in FIG.
It is wrapped in up, down, left and right movements as shown in FIG.

The high-pressure air cylinder 16 supports a holding member 13c of the film holder 13 for holding the wrap film 10, and is connected to the wrap film draw-out motor 23 by a pair of transmission belts 16b and a connecting member 16a, and further advanced. The command from the control device of the end and the retreat end is transmitted to the frame support frame 3.
1 is detected and controlled by an optical slit detector 32 installed on the lower surface.

As shown in FIGS. 2 and 3, the wrapping conveyor 14 has a rear support as seen from the front, which is supported by a support fitting 27 inside a frame support frame 18, and a drive motor is provided below one side of the through portion. 26, and a support member 30 whose front portion projects in an arm shape to a frame support frame 29.
Is installed by being urged upward by a compression spring 28.
Includes a means for buffering the pressing by the wrap film 10 when wrapping the container 24, and is horizontally installed substantially at the center of the frame C.

The container 24 wrapped on the wrapping conveyor 14 described above is transferred from the frame C of FIG. 1 onto the discharge and accumulation conveyor D, stopped, and discharged and accumulated when the next wrapped container 24 is discharged. The conveyor D is conveyed for a set time, the number detector 33 attached to one side of the discharge accumulation conveyor D counts, and a plurality of set numbers stored on the discharge accumulation conveyor D, the discharge accumulation conveyor D A container pusher E fixed to one side collects and arranges on the collecting and aligning table F and accumulates in a set row, and notifies the completion of the operation of the wrapping device by sound or light.

[0021]

Since the present invention is configured as described above in detail, it has the following effects.

By providing the carry-in conveyor on the packing work table, the packing work table is not complicated and the packing work efficiency can be improved.

The wrap film is a material which does not substantially shrink, and has an adhesive near both sides in the width direction.
Even for a wrap film to which no adhesive is applied, lapping can be performed while applying the adhesive by an automatic applicator from an adhesive applicator nozzle.

A relatively fragile object such as a soft fruit is
The wrapping film covering mechanism and the buffering mechanism of the wrapping conveyor enable easy and reliable wrapping without damaging the object.

The discharging and collecting conveyor and the collecting table after the wrapping facilitate sorting and packing of products, and can greatly increase the work efficiency.

[Brief description of the drawings]

FIG. 1 is a schematic plan view of a layout centering on a wrapping mechanism of the present invention.

FIG. 2 is a side perspective view of an initial state of a wrapping mechanism according to the present invention.

FIG. 3 is a front perspective view of an initial state of a wrapping mechanism according to the present invention.

FIG. 4 is a plan view schematically showing a positional relationship among an adhesive, a detection mark, a pressing bar, a pair of wrap film holders, and a wrapping conveyor of the wrap film on the wrap film stabilizer.

FIG. 5 is a plan view showing a state in which a wrap film holder is pulled out from above a wrap film stabilizer to a position directly above a container on a wrapping conveyor while holding the wrap film.

FIG. 6 shows a state in which the wrap film is placed on the container on the wrapping conveyor, and the elastic material portion of the wrap film holder presses and adheres the adhesive portion of the wrap film to the side surface of the container, and its movement is indicated by arrows. FIG.

FIG. 7 is a side perspective view showing a state in which the wrap film retainer holds the wrap film from the top of the wrap film stabilizer and is pulled out to just above a container on the wrapping conveyor.

FIG. 8 is a side perspective view showing a state in which a wrap film is put on a container on a wrapping conveyor, and an elastic material portion of the wrap film retainer presses and adheres an adhesive portion of the wrap film to a side surface of the container.

[Explanation of symbols]

 B Carry-in conveyor C Frame body (wrapping mechanism) D Discharge accumulation conveyor E Container pusher F Stacking alignment table 10 Wrap film 10a Adhesive 10b Detection mark 11 Press rod 12b Wire body for cutting wrap film 13 Wrap film holder 14 Wrapping conveyor Reference Signs List 18 frame support frame 19 guide roller 20 wrap film stabilizer 22 detection mark detector 23 wrap film pull-out motor 24 container 25, 25a container detector 26 wrapping conveyor motor 28 compression spring 32, 32a slit detector 33 number detector

Claims (4)

[Claims] 1. A wrapping conveyor for conveying a container packed in a partially swelled state is provided at an upper portion substantially at the center of a support frame of a frame, and both sides of a long and tubularly wound upper portion of a nuclear frame are provided. A wrap film coated with an adhesive is disposed near the periphery of the wrap film, a wrap film stabilizer and a pressing rod are disposed above the wrapping conveyor, and the wrap film supported by a wrap film drawer that can move back and forth is narrowed. Holders to be attached to the outer surface of the holding container are arranged on both sides of the stabilizer, and a wire for cutting the wrap film drawn by the wrap film drawer is arranged at the top of the stabilizer, and arranged on the side of the wrapping conveyor. The container detected by the installed container detector stops at the wrapping position, covers the container with the wrap film without damaging the object in the container, and wraps the wrap film on the outer surface of the container. A wrapping device for fruits, vegetables, bentos and the like, characterized by applying a film. 2. The wrap film retainer includes a plurality of clamping members for clamping a peripheral edge of a wrap film of a predetermined size, and the wrap film held by the wrap film retainer is containerized by a wrap film covering means. After being covered by the opening of the container, the plurality of holding members of the wrapping film holder are relatively lowered from the opening of the container, and further moved toward the outer surface of the container, so that the width of the holding member is smaller than the opening of the container. 2. The wrapping device according to claim 1, wherein the peripheral portion of the wide wrap film is attached to an outer surface of the container. 3. The wrap film has a predetermined width larger than the container opening where the adhesive is applied in the vicinity of the part of the periphery, but when using a wrap film where no adhesive is applied, Arrange the adhesive applicator on the frame, hold the wrap film periphery with the wrap film retainer,
The wrapping apparatus according to claim 1 or 2, wherein the adhesive is applied to the wrap film by an adhesive applicator at the same time that the wrap film is pulled out by the wrap film drawer. 4. A carry-in conveyor is provided on a packing work table, and a partially packed container is placed on the carry-in conveyor on an irregular basis, and the conveyed container is transferred to a wrapping conveyor. After the wrapping of the partially packed containers is completed by the wrapping mechanism, the containers are transferred to the discharge and conveyer, the set number is stored and transferred to the collecting and aligning table by the container pusher, and the setting row is set on the collecting and aligning table. The end of the accumulated automatic operation is notified by sound or light to facilitate sorting of the soft fruits and the like packed in the partially raised state. 4. The wrapping device according to 3.