JPH06127512A - Packaging apparatus - Google Patents

Abstract

PURPOSE:To easily draw out the end of a packing sheet and to make the end to be inserted easily between a cutter and a support table by a method wherein a support stand capable of being switched over between two position for supporting temporarily the packing sheet body for working and for housing the same is provided to position opposite to support parts that support the packing sheet body rotatively. CONSTITUTION:A drawer table 10, equipped with support parts 5 for supporting a packing sheet 1 body on the side of a packing table 2, a drawing mechanism that draws out the packing sheet 1, and a support table 12 that can be switched over between two position, one for work position for supporting temporarily the packing sheet 1 body and the other for position for housing the packing sheet body, are provided. The body of the packing sheet 1 is supported temporarily with the support table 12, and the end 1b of the packing sheet is drawn out while the body is rotated and is passed between the drawer table 10 and a cutter 7. As the support table 12 is placed in a position opposite to the cutter 7, the distance between the two members can be maintained sufficiently. Thereby, work for making the end of a new packing sheet go through can be made easily, improving efficiency in replacement of the packing sheet, and at the same time workability cannot be declined as the support table 12 can be hosed.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a packing device for agricultural products, in which a packaged product (for example, vegetables such as lettuce and cabbage, or fruits such as melon and apple) is wrapped in a packaging sheet.

[0002]

2. Description of the Related Art As a packaging apparatus as described above, for example, there is one disclosed in Japanese Patent Laid-Open No. 3-133710. That is, a packaging table having an opening through which the article to be packaged falls is provided, the packaging sheet cut to a predetermined length is placed on the packaging table, and the article to be packaged is dropped into the opening from above. As a result, the packaging sheet is squeezed at the outer edge of the opening and the object to be packaged is wrapped in the packaging sheet and supported by the lower support table, after which the excess portion of the squeezed packaging sheet is cut and the packaging sheet This is a configuration in which fastening is performed.

In the above-mentioned packaging apparatus, a packaging sheet wound in a roll is prepared, and after each packaging is completed, the packaging sheet is pulled out on a packaging table by a predetermined length and cut for the next packaging. Has been proposed. In this structure, for example, as shown in FIG. 6 (a), the packaging sheet 1 is wound in a roll shape, and the pair of support rollers 5 (corresponding to the support portion) on one lateral side of the packaging base 2 is provided with the packaging sheet 1 of the packaging sheet 1. I put the body. Then, on the lateral side portion of the support roller 5 on the central side of the packaging table, a horizontally elongated cutter 7 for vertically cutting the packaging sheet and a receiving table 10 for receiving the packaging sheet 1 against the cutting operation of the cutter 7 are provided. ing. With the above structure, when one wrapping is completed, the drawer mechanism 6 located on the right side of the drawing moves to the side of the wrapping sheet 1, and the operation arm 6a of the drawer mechanism 6 holds the end portion 1b of the wrapping sheet 1 therebetween. From this state (the holding position), the pulling-out mechanism 6 moves to the right side of the drawing to pull out the packaging sheet 1. Then, as shown in FIG. 6B, when the packaging sheet 1 is pulled out by a predetermined length, the pulling-out mechanism 6 is stopped at this pulling-out position, the cutter 7 is lowered and the packaging sheet 1 is cut, and the pulling-out mechanism is pulled out. The end 1b of the packaging sheet 1 from which the operation arm 6a of 6 is cut is released. Therefore, in the state shown in FIG. 6B, the end portion 1 of the packaging sheet 1 in which the operation arm 6a of the drawing mechanism 6 is cut
After separating b, when the object to be packaged (not shown) is dropped into the opening 2a of the packaging table 2 from above, the object to be packaged is wrapped in the packaging sheet 1 and the lower support table (not shown). The packaging is carried out.

[0004]

In the structure shown in FIGS. 6A and 6B, when the packaging sheet 1 placed on the support roller 5 is consumed, a new roll-shaped packaging sheet 1 is used. Is placed on the support roller 5, and the end 1b of the new packaging sheet 1 is pulled out by hand, and the end 1b of the packaging sheet 1 is passed between the cutter 7 and the pedestal 10 to obtain the new packaging sheet 1. Set in the packaging device.

In this case, since a sufficient space is not provided between the support roller 5 and the cutter 7, a hand is put between the support roller 5 and the cutter 7 and the end portion 1b of the new packaging sheet 1 is inserted. When passing between the drawer cutter 7 and the pedestal 10 by hand, it is easy for the hand to hit the main body of the packaging sheet 1 or the like, and it may take time to pass the end 1b of the packaging sheet 1 between the cutter 7 and the pedestal 10. there were. It is an object of the present invention to configure the packaging device as described above so that when a new packaging sheet is set, the end of the packaging sheet can be easily pulled out and inserted between the cutter and the pedestal. There is.

[0006]

A feature of the present invention is that the packaging apparatus as described above is configured as follows. That is, the main body of the packaging sheet wound in a roll shape is provided with a supporting portion capable of supporting rotatably around the roll axis on one lateral side of the packaging table, and the lateral side portion of the supporting portion on the central side of the packaging table is provided. A vertically elongated movable cutter for cutting the packaging sheet, and a cradle for receiving the packaging sheet against the cutting operation of the cutter, a clamping position for clamping the end of the packaging sheet, and the body of the packaging sheet. While rotating the, the sandwiched packaging sheet is passed between the cutter and the pedestal and pulled out on the packaging table by a predetermined length. The cutter is moved up and down with respect to the packaging sheet pulled out to the length, and the packaging sheet is cut into a predetermined length and placed on the packaging table. The wrapping sack portion of the opposite side, are provided with substantially the temporary supportable working position the body of the package sheet located at the same height, the freely supporting table switching operation posture in the storage position and the supporting portion.

[0007]

With the construction of the present invention, when the packaging sheet 1 on the supporting portion 5 shown in FIG. 2 is consumed and disappears, for example, the supporting plate 12 is switched to the working position as shown in FIG. Then, the main body of the new packaging sheet 1 is temporarily supported on the support base 12. Then, while rotating the body of the packaging sheet 1, the end portion 1b of the packaging sheet 1 is held by hand and pulled out, and is passed between the pedestal 10 and the cutter 7. In this case, as shown in FIG.
Since 2 is located on the opposite side of the cutter 7 and the pedestal 10, the support 12 and the cutter 7 and the pedestal 10 are sufficiently opened. As a result, even if a hand is put between the support 12 and the cutter 7, it is unlikely that the hand will hit the main body of the packaging sheet 1 and the like, and the end 1b of the new packaging sheet 1 is pulled out by hand and received by the cutter 7. The operation of passing between the stands 10 can be performed easily. When the above operations are completed,
Next, while pushing the main body of the packaging sheet 1 on the support base 12 to the right of the paper to roll it, as shown in FIG.
From above to the supporting portion 5.

In the structure shown in FIG. 1A, the support base 12
It is also conceivable to fix the to the working position shown in FIG. in this case,
Although the support part 5 and the cutter 7 and the pedestal 10 are sufficiently opened, if the support pedestal 12 projects laterally from the packaging base 2 in this way, the support pedestal can be used during normal packaging work. 12 becomes an obstacle and the packaging device becomes large as a whole. On the other hand, in the present invention, when the replacement of the new packaging sheet 1 is completed, for example, as shown in FIG.
As shown in (b), the support base 12 may be switched to the storage position. This allows the support base 12 to be used during normal packaging work.
Does not get in the way, and the increase in size of the packaging device can be suppressed.

[0009]

As described above, the operation of pulling out the end of a new packaging sheet by hand and passing it between the cutter and the pedestal can be facilitated, and the workability of exchanging the packaging sheet can be improved. It was Since the support table can be stored when not in use, there is no adverse effect such as a reduction in workability during normal packaging work by the support table and an increase in the size of the packaging device.

[0010]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 2 shows the entire packaging device. In this packaging apparatus, an opening 2a for dropping the article A to be packaged is provided on the packaging table 2.
The main body of the packaging sheet 1 wound in a roll shape is placed on a pair of supporting rollers 5 (corresponding to supporting portions) provided on one lateral side of the packaging table 2. Then, a pull-out mechanism 6 for the packaging sheet 1 is provided on the opposite side of the packaging table 2. (1) First, the flow of the entire packaging in the packaging device of the present invention will be described based on FIGS. 3 (a) to 5 (c). When the one-time wrapping is completed, the drawer mechanism 6 at the position shown in FIG. 2 moves to the left side of the paper to clamp the end of the wrapping sheet 1,
It moves to the right side of the drawing again and the packaging sheet 1 is pulled out. When the pulling-out mechanism 6 pulls out the packaging sheet 1 by a predetermined length, the pulling-out mechanism 6 stops and the cutter 7 descends.
The packaging sheet 1 is cut between the pedestal 10 and the lower pedestal 10.
When the packaging sheet 1 is cut into a predetermined length in this way,
The pull-out mechanism 6 further moves rightward on the paper surface, returns to the position shown in FIG. 2 and stops, and releases the end of the cut packaging sheet 1.

As described above, in a state in which the packaging sheet 1 cut to a predetermined length is placed on the packaging table 2, as shown in FIG. When it is dropped into the opening 2a, the object A to be packaged falls into the lower support base 3 while being slightly wrapped in the packaging sheet 1. After that, when a start switch (not shown) is operated, the support base 3 is lowered as shown in FIG. 3B, and is stopped at a predetermined position. In this case, a plurality of rubber plate-shaped auxiliary diaphragm members 1
1 is provided below the opening 2a so as to surround the article A to be packaged.
Is squeezed even better.

Next, the pair of plate-shaped holding members 14 arranged on the lower side of the packaging table 2 are shown in FIGS. 3 (c) and 4 (a).
As shown in (3), it advances to the side of the packaging sheet 1 and sandwiches the upper portion 1a of the packaging sheet 1 and narrows it down small. As a result, the article A to be packaged is substantially completely wrapped in the packaging sheet 1 (the above corresponds to the packaging means). After that, as shown in FIG. 4A, a pair of disc cutters 8 advances along the upper surface of the sandwiching member 14, the upper portion 1 a of the packaging sheet 1 is cut off, and compressed air is jetted from the jet nozzle 9. Then, the upper portion 1a of the packaging sheet 1 attached to the disc cutter 8 is blown off.

Next, as shown in FIG. 4B, the adhesive tape 4 cut into a predetermined length is placed over the upper end of the packaging sheet 1 and the end of the sandwiching member 14, and the adhesive tape 4 shown in FIG. As shown in, the sponge member 16 presses the adhesive tape 4 from above. Then, while the adhesive tape 4 is being pressed by the sponge member 16, the pair of holding members 14 are operated to open as shown in FIG. 5A, and the sponge member 16 is pressed to the packaged object A side again, Make sure that the adhesive tape 4 is firmly attached to the packaging sheet 1. After this, Figure 5 (b)
The support base 3 is laid down and operated as shown in FIG.
Are released to the slide 15 and collected. Since the one-time packaging is completed as described above, the state of the packaged object A which has been packaged is shown in FIG. Then, the support base 3 is again raised to the original position shown in FIG.

(2) Next, the structure around the main body of the roll-shaped packaging sheet 1 will be described. Figure 1
As shown in (a) and FIG. 2, the pair of support rollers 5 and the pedestal 10 are arranged on one lateral side of the packaging table 2 so as to have substantially the same height, and the cutter 7 is provided above the pedestal 10. Are arranged. A flat plate-shaped guide plate 13 is arranged and fixed on the upper side of the support roller 5 side portion of the pedestal 10.
The support plate 12 is swingably supported around the horizontal axis P1 at the end of the packaging table 2. The support plate 12 is provided with an arcuate and horizontally long concave portion 12a in the front and rear central portions, and a freely rotating roller 12b is provided in the concave portion 12a.

A pair of left and right support rods 17 are provided so as to be swingable around the horizontal axis P2 at the end of the packaging table 2. As a result, when the packaging sheet 1 on the supporting roller 5 shown in FIG. 2 is consumed and disappears, the supporting plate 12 is brought into a horizontal working position as shown in FIGS.
The front end of the support plate 12 is engaged with the front end of the support plate 12 to fix the support plate 12 to the working position shown in FIG. At this working position, the support base 12 has substantially the same height as the support roller 5. In this state, the main body of the new packaging sheet 1 is placed on the roller 12b of the support 12, and the main body of the packaging sheet 1 is rotated counterclockwise on the paper surface, and the end portion 1b of the packaging sheet 1 is held and pulled out by hand. Cradle 10 and guide plate 1
3 and between the pedestal 10 and the cutter 7.

When the above operation is completed, the main body of the packaging sheet 1 on the support base 12 is then pushed to the right side of the drawing and rolled, and as shown in FIG. Transfer to. In the state shown in FIG. 1B, the replacement with the new packaging sheet 1 is completed. Then, the tip ends of the left and right support rods 17 may be removed from the support plate 12, and the support plate 12 may be tilted downward and operated. This Figure 1
The state shown in (B) is the storage position of the support base 12, and the recess 12a of the support base 12 is inserted into the recess 2b provided on the lateral side surface of the packaging base 2.

[Other Embodiment] Although the packaging sheet 1 is sealed with the adhesive tape 4 in the above-mentioned embodiment, the packaging sheet 1 is heated after the upper portion 1a is cut to fuse the packaging sheet 1 and package it. The present invention may be applied to a packaging device that seals the sheet 1. Further, instead of the disc cutter 8 as shown in FIG. 4 (a), the upper portion 1a of the packaging sheet 1 sandwiched by the sandwiching members 14 is heated by a heater (not shown) to be fused and cut. The invention may be applied. In addition, an opening 2a as shown in FIG.
Packaged on the packaging sheet 1 of the packaging table 2 without equipping
The present invention can also be applied to a packaging apparatus configured to wrap the article A to be wrapped by lifting the outer peripheral portion of the packaging sheet 1 when the sheet is placed.

It should be noted that reference numerals are added to the claims for convenience of comparison with the drawings, but the present invention is not limited to the configurations of the accompanying drawings by the entry.

[Brief description of drawings]

FIG. 1 is a side view showing a state where a support base for temporarily supporting a packaging sheet is operated to a work position and a storage position.

FIG. 2 is an overall perspective view of a packaging device

FIG. 3 is a perspective view showing a flow of wrapping from insertion of an object to be packaged into an opening to squeezing of a wrapping sheet by a holding member.

FIG. 4 is a perspective view showing the flow of packaging from the cutting of the upper portion of the packaging sheet to the pressing of the adhesive tape by the sponge member.

FIG. 5 is a perspective view showing a packaging flow from the opening operation of the holding member to the discharging of the packaged article and a state in which the packaging is completed.

FIG. 6 is a side view showing a supporting state of a conventional packaging sheet.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Packaging sheet 2 Packaging table 5 Supporting part 6 Drawing mechanism 7 Cutter 10 Receiving table 12 Supporting table A Packaged object

Front page continued (72) Inventor Mamoru Yasumatsu 64 Ishizukita-machi, Sakai City, Osaka Prefecture Kubota Sakai Factory Co., Ltd.

Claims (1)

[Claims] 1. A packaging sheet (1) cut into a predetermined length.
A packaging device comprising a mounting packaging table (2) and a packaging means for wrapping an article to be packaged (A) in a packaging sheet (1) on the packaging table (2), which is wound in a roll shape. A support part (5) capable of supporting the main body of the packaging sheet (1) rotatably around its roll axis is provided on one lateral side of the packaging table (2), and packaging is performed on the support part (2). A horizontally long cutter (7) for cutting the packaging sheet (1) that can move up and down, and a packaging sheet (1) that receives the cutting operation of the cutter (7) on the lateral side of the center of the table (2). A pedestal (10), a clamping position for clamping the end (1) of the packaging sheet (1), and the packaging sheet (1) clamped while rotating the body of the packaging sheet (1). Pulling out a specified length through the cutter (7) and the pedestal (10) and onto the packaging table (2) The cutter (7) is provided with respect to the packaging sheet (1) that is provided with a drawer mechanism (6) that can reciprocate over a position and is drawn to a predetermined length on the packaging table (2) by the drawer mechanism (6). Is configured to be moved up and down to cut the packaging sheet (1) into a predetermined length and placed on the packaging table (2), and at the center side of the packaging table (2) in the support portion (5). On the opposite side of the packaging table (2), the posture is set to the storage position and the working position where the main body of the packaging sheet (1) can be temporarily supported at the same height as the supporting portion (5). A packaging device provided with a support base (12) which can be switched.