JP3032345B2 - Packaging equipment - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a packaging device for agricultural products, which wraps an article to be packaged (eg, vegetables such as lettuce and cabbage, or fruits such as melon and apple) in a packaging sheet.

[0002]

2. Description of the Related Art As a packaging apparatus as described above, there is the following one. A packaging table with an opening into which the package falls is provided.The packaging sheet is placed on the packaging table, and when the package is dropped into the opening from above, the packaging sheet is squeezed and the package It is configured to be supported by the lower support while being wrapped in a packaging sheet. In this case, since the upper part of the packaging sheet surrounding the object to be packaged on the support is still open, the squeezing mechanism advances from the side of the support to the support, and sandwiches the upper part of the packaging sheet. Refine. Next, the narrowed portion of the packaging sheet is heated to fuse the packaging sheet, and the packaging of one packaged object is completed.

[0003]

In the above-mentioned structure, the upper part of the packaging sheet surrounding the object to be packaged on the support stand is squeezed and welded as it is. It protrudes from the welded part. As a result, the protruding portion of the packaging sheet may become an obstacle when the package is packed after packing, and it may be difficult to pack the items to be packed into the box without any gaps. Also, since a transparent film made of resin is often used for the packaging sheet, when the packaging sheet is welded by heating as described above, the welded portion of the packaging sheet may be altered due to heat and become brittle. is there. Therefore, the welded part of the packaging sheet comes off during transportation after packaging, etc.
There is a risk that the packaging will be unraveled. An object of the present invention is to provide a packaging apparatus as described above in which the above-mentioned protruding portion of the packaging sheet is eliminated, and an object of the present invention is to provide a configuration in which the packaging is ensured.

[0004]

A feature of the present invention resides in the following configuration in the above-described packaging apparatus. [1] A packaging table is provided with an opening through which an article falls for mounting the packaging sheet. When the article to be packaged is dropped into the opening from above, the packaging sheet is squeezed and the article to be packaged is packed. It is configured to be wrapped in a sheet, and a support base for supporting the packaged object that has fallen into the opening while being wrapped in the packaging sheet, and the upper part of the packaging sheet in the packaged object supported by the support base is narrowed down. An adhesive tape is applied to the squeezing mechanism, a cutting mechanism that cuts out a portion of the packaging sheet above the narrowed portion narrowed down by the squeezing mechanism, and a narrowing portion of the packaging sheet where the upper packaging sheet portion is cut out by the cutting mechanism. And a tape sticking mechanism for fastening the packaging sheet.

[2] In the configuration of the above item [1], a squeezing mechanism is provided below the packaging table.
A cutting mechanism and a tape attaching mechanism are arranged.

[3] In the configuration of the above item [1] or [2], when an article to be packaged is dropped into the opening from above, an auxiliary squeezing member for further narrowing the packaging sheet to the article to be packaged is provided. .

[0007]

According to the first aspect of the present invention, when the object to be packaged is dropped into the opening of the packaging table, the object to be packaged is supported by the lower support table while being wrapped in the packaging sheet, and the squeezing mechanism is provided. As a result, the upper portion of the packaging sheet is sandwiched and narrowed down. Next, the portion of the packaging sheet above the narrowed portion narrowed down by the squeezing mechanism is cut out by the cutting mechanism, and the narrowing portion of the packaging sheet from which the portion of the upper wrapping sheet is cut out by the cutting mechanism is provided with an adhesive tape. Is attached and the packaging sheet is fastened. Thus, according to the features of claim 1,
Since an extra portion of the packaging sheet, which is a portion of the packaging sheet above the narrowed portion narrowed down by the squeezing mechanism, is cut off, a portion of the packaging sheet does not protrude from the article to be packaged after packaging.

According to the first aspect of the present invention, in fastening the packaging sheet, the packaging sheet is not heated and welded as in the prior art, but is fixed by the adhesive tape without applying heat. In addition, there is no possibility that the packaging sheet is deteriorated by heat and becomes brittle. In this case, the adhesive tape is applied to the narrowed-down portion of the packaging sheet in a state where the excess portion of the packaging sheet called the upper packaging sheet is cut off as described above, so that the extra portion of the packaging sheet may be obstructed. Instead, the adhesive tape is securely attached to the narrowed portion of the packaging sheet, and the packaging sheet is fastened.

[II] According to the feature of the second aspect, similar to the case of the first aspect, the "operation" described in the above-mentioned [I] is provided, and in addition, the following "operation" is provided. ing. According to the feature of claim 2, since the squeezing mechanism, the cutting mechanism and the tape attaching mechanism are hidden under the packaging table, when the worker drops the article to be packaged into the opening of the packaging table, There is no risk that the aperture mechanism or the like will be in the way.

[III] According to the feature of the third aspect, similar to the case of the first or second aspect, the "action" described in the above [I] or [II] is provided,
In addition, it has the following “action”. According to the third aspect of the present invention, when the object to be packaged is dropped into the opening of the packaging table, the object to be packaged is supported by the lower support table while the packaging sheet is further narrowed down by the auxiliary drawing member. Therefore, when the upper portion of the packaging sheet is narrowed down by sandwiching the upper portion of the packaging sheet next, the narrowing down of the packaging sheet is reliably performed because the upper portion of the packaging sheet is narrowed down in advance.

[0011]

According to the first aspect of the present invention, by cutting off the portion of the packaging sheet above the narrowed portion narrowed down by the squeezing mechanism in the packaging device, a part of the packaging sheet protrudes from the article to be packaged. As a result, the items to be packaged can be efficiently packed in the box without any gaps, and the work efficiency at the time of box packing and the transportation cost can be reduced. According to a feature of the present invention, the adhesive sheet is attached to the narrowed-down portion of the packaging sheet in a state in which an excess portion of the packaging sheet, which is called an upper packaging sheet portion, is cut off, so that the packaging sheet is adhered by the adhesive tape. Can be securely fastened, and the likelihood of unpacking during transportation or the like is reduced, and the reliability of packaging can be increased.

According to the features of the second aspect, the "effect of the invention" of the first aspect is provided similarly to the case of the first aspect, and in addition to the "effect of the invention", the following "invention" is provided. Of the effect. According to the feature of claim 2, when the worker drops the article to be packaged into the opening of the packaging table, there is no possibility that the squeezing mechanism or the like becomes an obstacle, so that the article to be packaged is easily dropped into the opening of the packaging table. It became a good workability.

According to the features of claim 3, claim 1 or 2
"Effects of the Invention" of Claim 1 or 2 as in the case of
In addition to this “effect of the invention”, the following “effect of the invention” is provided. According to the feature of the third aspect, the upper portion of the packaging sheet is narrowed down in advance by the auxiliary squeezing member, and the squeezing by the squeezing mechanism is reliably performed. Can be reliably performed, and the reliability of packaging can be further improved.

[0014]

Embodiments of the present invention will be described below with reference to the drawings. 1 and 2 show the entirety of the packaging apparatus of the present invention, and the packaging operation of the packaging apparatus is performed in the following steps. A step of dropping the article to be packaged A from above into the opening 2a of the packaging table 2 on which the packaging sheet 1 is placed (this is performed by an operator), and the package sheet 1 is dropped by dropping into the opening 2a. A step of wrapping the packaged object A and supporting the packaged object A on the support table 3 below the packaging table 2, and moving the upper part 1 a of the packaging sheet 1 wrapping the packaged object A of the support table 3 in the lateral direction , A step of cutting off the upper portion 1a of the squeezed packaging sheet 1, a step of attaching an adhesive tape 4 to the squeezed portion of the packaging sheet 1 from which the upper portion 1a has been cut, and pressing the adhered adhesive tape 4 from above. Step of unpacking the packaged object A laterally from the support base 3 after the completion of the packaging, and pulling out the packaging sheet 1 wound in a roll into the packaging table 2 by a predetermined length in preparation for the next packaging, and the roll side portion Cut one piece A step of placing the instrumentation sheet 1 wrapping sack 2.

Next, the details of the above-described steps and each mechanism will be described in order. [1] First, a step of allowing the worker to drop the packaged object A into the opening 2a of the packaging table 2 from above, and a step of supporting the packaged object A by the support 3 below the packaging table 2. Will be described.
As shown in FIG. 2 and FIG. 1, a support 3 is formed in a bowl shape by a wire and a band plate, and the support 3 is arranged below the circular opening 2 a of the packaging base 2. A support frame 6 is attached to a pair of left and right guide rails 5 so as to be vertically slidable, and the support 3 is supported on the support frame 6 via a spring 7 for absorbing shock. An operation arm 8 that can swing around the horizontal axis P1 is connected to the support frame 6 with a pin and a long hole structure, and an operation cylinder 9 that swings the operation arm 8 up and down is provided.

With the above structure, as shown in FIGS. 2 and 3A, when the worker drops the package A from above into the opening 2a of the packaging table 2, the package A is The package sheet 1 falls onto the support table 3 while being pulled in. Next, when the operator operates a start switch (not shown), the operation cylinder 9 contracts and the support base 3 is lowered to the position shown in FIG.

As shown in FIGS. 1 and 2, an auxiliary aperture member 11 made of an elastic material is attached to a ring member 10 arranged below the opening 2a of the packaging table 2. As a result, as shown in FIGS. 3 (a) to 3 (b), when the support base 3 descends, the outer edge of the opening 2a of the packaging base 2 and the action of the auxiliary squeezing member 11 squeeze the packaging sheet 1. Then, the article to be packaged A is wrapped in the packaging sheet 1 to some extent.

[2] Next, the process of narrowing down the upper portion 1a of the packaging sheet 1 from the lateral direction in the packaging sheet 1 wrapping the article A to be packaged on the support base 3 in the state shown in FIG. . As shown in FIG. 1, an aperture mechanism 12 is provided below the auxiliary aperture member 11.
Is arranged. As shown in FIGS. 4A and 4B and FIG. 5, the aperture mechanism 12 is a pair of plate-like holding members slidable in a vertical direction on the paper of FIG. 14 and is urged in a direction away from each other by a spring 15 so as to be swingable about a longitudinal axis P2 of the fixed portion,
A pair of auxiliary holding members 1 arranged below the holding member 14
6.

A structure for driving the pair of holding members 14 will be described. As shown in FIGS. 5 and 6, a guide plate 20 having a U-shaped cross section is disposed below one of the guide rails 13, and a pinion gear 21 is provided at the center of the guide plate 20.
Are rotatably supported. A pair of rack gears 22 are engaged with both sides of the pinion gear 21, and the engaging portions 22 a of the rack gear 22 are engaged with the locking portions 14 b of the holding member 14. An operation cylinder 23 is provided between one rack gear 22 and the guide plate 20.

With the above structure, when the operating cylinder 23 is contracted from the state shown in FIG. 6, the holding member 14 on the lower side of the drawing of FIG. 4A is moved upward together with the rack gear 22 in the drawing. The operation of the rack gear 22 described above is reversed by the pinion gear 21 and transmitted to the other rack gear 22, and the holding member 14 on the upper side of the paper of FIG. 4A is moved downward together with the rack gear 22.

As described above, when the support base 3 is lowered to the position shown in FIG. 3B, the holding member 14 on the lower side of the drawing moves upward in FIG. 4A, and the holding member 14 on the upper side of the drawing in FIG. Moves downward in the drawing. At the same time, a pair of rollers 14c fixed to the holding member 14 on the lower side of the paper abut on the auxiliary holding member 16 to operate the auxiliary holding members 16 so as to approach each other. As a result, FIG.
And the upper part 1a of the packaging sheet 1 as shown in FIG.
The sheet is sandwiched between a pair of holding members 14 from above and below in the plane of the paper, and is sandwiched between a pair of auxiliary holding members 16 from the left and right sides of the page to narrow down.

When such a squeezing operation is performed, the packaging sheets 1 are gathered to the center and the packaged object A is lifted. At this time, the support cylinder 3 is slightly lifted by the operation cylinder 9 so that the packaged object A is pressed against the lower surfaces of the holding member 14 and the auxiliary holding member 16, and the spring 7 of the support table 3 shown in FIG. Is compressed.

As shown in FIGS. 5 and 8, non-adhesive members such as silicone rubber are attached to both end portions 14a of the pair of holding members 14 that sandwich the upper portion 1a of the packaging sheet 1. This is because, as described in [5] described later, when the pair of holding members 14 are separated from each other and operated after the adhesive tape 4 is placed, the adhesive tape 4 is held by the holding members 14.
This is to prevent a situation in which it adheres to the edge 14a.

As shown in FIGS. 4A and 7, the holding member 14 is provided with a holding arm 17. The holding arm 17 is swingable about the longitudinal axis P3 of the holding member 14, and the holding arm 17 on the upper side of FIG. 4A is urged counterclockwise in FIG. The arm 17 is urged clockwise in the drawing. Clamping arm 1
7 is stopped by the stopper 19 in the posture shown in FIG. Thereby, when the pair of holding members 14 move as shown in FIG. 4B, the holding arms 17 also move in the same manner, and the upper end of the upper portion 1a of the packaging sheet 1 Is held and held by the holding arm 17.

[3] Next, the step of cutting out the upper part 1a of the squeezed packaging sheet 1 will be described. As shown in FIGS. 1 and 17, a support frame 25 is slidably supported along a pair of guide rails 24 disposed between the packaging table 2 and the squeezing mechanism 12. Is fixed to the cutting mechanism 26. The cutting mechanism 26 fixes a guide plate 27 having a guide end 27a that opens to the front side to the front end of the support frame 25, and a pair of left and right disk cutters 28 that can freely rotate around the vertical axis. Attach it to the guide plate 27 slightly apart so that it overlaps with the top and bottom,
It is configured. As shown in FIG.
1 is fixed to the support frame 25 via an arm 29, and an operation cylinder 30 for slidingly driving the entire support frame 25 and the like is provided.

With the above structure, when the upper portion 1a of the packaging sheet 1 is squeezed by the squeezing mechanism 12 as shown in FIG.
As shown in FIG. 8A, the support frame 25 located on the right side of the paper of the packaging table 2 advances to the left of the paper. Next, as shown in FIG. 18B, the guide plate 27 and the disk cutter 28 pass between the holding member 14 and the holding arm 17 of the drawing mechanism 12, and cut off the upper portion 1a of the packaging sheet 1.

In this case, as the support frame 25 advances, the upper part 1a of the packaging sheet 1
The upper portion 1a of the packaging sheet 1 is reliably cut off between the left and right disk cutters 28 because the upper portion 1a is sandwiched between them. As shown in FIG. 16A, the upper portion of the upper portion 1a of the packaging sheet 1 is held by the holding arm 17, and the lower portion of the upper portion 1a of the packaging sheet 1 is held by the holding member 1.
4, the holding arm 17 and the holding member 1
4, even if the disk cutter 28 advances,
Is not pushed down.

When the cutting of the upper portion 1a of the packaging sheet 1 is completed as described above, the cut upper portion 1a of the packaging sheet 1 is carried by being sandwiched between the left and right disk cutters 28, as shown in FIG. Support frame 2 as shown
5 roller 31 comes into contact with the pair of holding arms 17,
As the support frame 25 advances, the holding arms 17 are pushed right and left. This is to prevent the holding arm 17 from hindering the subsequent sticking of the adhesive tape 4.

[4] Next, the step of attaching the adhesive tape 4 to the narrowed portion of the packaging sheet 1 from which the upper portion 1a has been cut out will be described. As shown in FIG. 9 and FIG.
A pair of holding members 32 (adhering a rubber material to the surface) for the adhesive tape 4 is fixed to the arm, and a balance-shaped holding arm 33 (including a holding roller 33a for the adhesive tape 4 (knurling the surface)). A tape attaching mechanism) is supported by a spring (not shown) biased in a clockwise direction on the paper so as to be swingable around a horizontal axis P4 of the support frame 25.
A balance-like holding arm 34 (corresponding to a tape sticking mechanism) provided with a holding roller 34a for the adhesive tape 4 is swingable around a horizontal axis P5 of the support frame 25, and is opposed to the paper surface by a spring (not shown). It is urged clockwise and supported.

A first cam surface 38 on which the right end of the paper of the holding arm 33 is guided from above is provided, and a first cam plate 39 (swingable around the horizontal axis P7) is provided.
4 is provided with a second cam surface 40 which is guided by the right end of the paper abutting from below, and a second cam plate 41 (swingable about the horizontal axis P8). A cutter arm 35 is swingably supported around the horizontal axis P6 of the fixing portion, and a cutter 35a for the adhesive tape 4 is fixed to the tip of the cutter arm 35. The cutter arm 35 is moved counterclockwise in FIG. Is provided.

The state shown in FIG. 9 is a state in which the support frame 25 located at the left end of the drawing returns to the right side of the drawing after one package is completed. This is a state where the tip is adhered and the cutter 35a is lowered. When the support frame 25 further moves rightward on the paper from the state shown in FIG. 9, as shown in FIG.
The holding arm 33 is pivoted counterclockwise by the action of the cam plate 39, and the holding roller 33a is
7, the holding member 32 fixed to the support frame 25 passes above the holding portion 37. Holding arm 34
Is rotated clockwise by the action of the second cam surface 40, and the pressing roller 34a passes above the holding portion 37.

As shown in FIG. 10, the contact portion 25a of the support frame 25 is
(See FIG. 15), the cutter arm 35 is lifted, and as shown in FIG. 11, the lock arm 42 descends and engages with the roller 35b, and the cutter arm 35 is held in a raised state. Thereafter, the right end of the holding arm 33 in the drawing is disengaged from the first cam plate 39 and the holding arm 33
Swings clockwise in the drawing. Thereby, the holding arm 3
The holding roller 33a lifts the adhesive tape 4 from below, and the tip of the adhesive tape 4 is held by the holding member 32 and the holding roller 33a. The state shown in FIG. 11 corresponds to the state shown in FIG. 17, and from the state shown in FIG.
As shown in (a) and FIG. 16 (a), the cutting of the upper portion 1a of the packaging sheet 1 by the cutting mechanism 26 is started.

Next, as shown in FIG.
5 advances to the left in the drawing, the upper part 1a of the packaging sheet 1 by the cutting mechanism 26 as described in the preceding section [3].
The adhesive tape 4 is pulled out to the left of the paper by the holding member 32 and the holding roller 33a. When a certain amount of the adhesive tape 4 is pulled out, the roller 25b of the support frame 25 contacts the V-shaped portion 42a of the lock arm 42, and the lock arm 42 is lifted. Thus, the cutter arm 35 is swung downward by the action of the spring 36, and the adhesive tape 4 is cut by the holding portion 37.

As shown in FIG. 13, when the support frame 25 further advances to the left in the drawing, and the cut adhesive tape 4 held and cut by the holding member 32 and the holding roller 33a reaches the upper side of the drawing mechanism 12, The right end of the holding arm 34 in the drawing is disengaged from the second cam plate 41, the holding arm 34 swings counterclockwise in the drawing, and the holding roller 34a holds the adhesive tape 4 along the edge 14a of the holding member 14 and the packaging sheet 1.
Press on the narrowed part of. The holding arm 33 is slightly swung counterclockwise by the action of the first cam surface 38, and the holding roller 33a is separated from the holding member 32 downward. When the support frame 25 advances to the left in the drawing in the state shown in FIGS. 13, 16 (B), and 18 (B), the pressure-sensitive adhesive tape 4 is pressed by the pressing roller 34 a to the edge 14 of the holding member 14.
a, and the adhesive tape 4 is held by the holding roller 33a.
Move away from

Next, the structure near the cutter arm 35 will be described. As shown in FIGS. 14A and 15,
Pressing member 43 around horizontal axis P6 of cutter arm 35
Are supported so as to be swingable, and the holding member 43 has a long hole 4.
By the action of the pin 3c and the pin 35c of the cutter arm 35, the swing range of the pressing member 43 is restricted to the range of the long hole 43a. The tip of the pressing member 43 is urged by the spring 44 so as to slightly protrude from the cutter 35a.

With the above structure, when the lock arm 42 is disengaged and the cutter arm 35 is lowered as shown in FIG.
And presses down the adhesive tape 4. Next, FIG.
As shown in (b), the cutter 35a descends, and the adhesive tape 4 is cut.

[5] Next, the step of pressing the adhered adhesive tape 4 from above will be described. As shown in FIG. 17 and FIG.
A pair of left and right first links 45 and a pair of second links 46 are supported on the rear side so as to be vertically swingable, and a sponge member 47 is attached to the first and second links 45 and 46. Are supported in a vertically movable manner in parallel. A cam arm 49 is fixed to one end of a support shaft 48 to which the second link 46 is fixed, and a spring 50 for urging the sponge member 47 upward is provided.

With the above structure, as shown in FIG. 13, the adhesive tape 4 is pressed against the edge portion 14a of the sandwiching member 14 and the narrowed portion of the packaging sheet 1, and from this state the support frame 25 moves leftward on the paper. Then, as shown in FIG. 20, the roller 49a of the cam arm 49 comes into contact with the fixing plate 51, and the sponge member 47 is moved down, and the sponge member 47 is moved to the end side portion 14a of the holding member 14 and the packaging sheet 1.
Is pressed against the adhesive tape 4 at the narrowed portion.

After the sponge member 47 is pressed, the holding member 14 and the auxiliary holding member 16 are opened. In this case, as shown in FIGS. 16 (b) and 18 (b), the adhesive tape 4 is also pressed against the edge portion 14a of the holding member 14, but as shown in [2], the end of the holding member 14 Since the non-adhesive member such as silicon rubber is attached to the side portion 14a, when the pair of holding members 14 are separated from each other and operated, the end side portion 14a of the holding member 14 does not adhere from the adhesive tape 4. Leave sure.

As described in the above item [2], the packaging sheet 1
When the narrowing operation of the upper part 1a of the
Is slightly raised to compress the spring 7 and press the packaged object A against the lower surfaces of the holding member 14 and the auxiliary holding member 16. As a result, when the holding member 14 and the auxiliary holding member 16 are opened as described above, the support 3 is immediately raised by the urging force of the spring 7, and the packaged object A and the packaging sheet 1 are sponge from below. It is pressed against the member 47, and when the holding member 14 and the auxiliary holding member 16 are opened,
This prevents the packaging sheet 1 from being opened.

After the opening operation of the holding member 14 and the auxiliary holding member 16, the support base 3 is slightly raised. Therefore, due to the lowering operation of the sponge member 47 and the raising operation of the support base 3, the adhesive tape 4 moves the packaging sheet 1 and the packaged object A.
Pressed firmly. The support frame 25 is shown in FIG.
From the state shown in FIG. 0, the vehicle advances a little further to the left on the page and stops, and then immediately returns to the right on the page. Thereby, before and after the support frame 25 reaches the end of the traveling,
The adhesive tape 4 is pressed against the packaging sheet 1 and the article A to be packaged by the sponge member 47. When the packaging is completed in this way, the packaged object A is in a state as shown in FIG.

As shown in the steps [3], [4] and [5] and in FIG. 17, the cutting mechanism 26, the holding arm 33 and the holding arm 34 for the adhesive tape 4, the adhesive arm 4 A sponge member 47 for the tape 4 is supported. With the operation cylinder 30 shown in FIGS. 1 and 17, the upper frame 1 a of the packaging sheet 1 is cut out, the adhesive tape 4 is pulled out and cut, as the support frame 25 advances to the left of the paper from the state shown in FIG. The application of the adhesive tape 4 to the package A and the pressing of the adhesive tape 4 to the package A are performed continuously, and the above operation is completed until the support frame 25 reaches the left end of the drawing. Each of the above operations is performed by converting the advancing operation of the support frame 25 into power for each operation by a cam structure and using this power. When the above operation is completed, the support frame 25 is returned to the state shown in FIGS. 10 to 11, and the adhesive tape 4 is held.

[6] Next, the step of taking out the packaged object A from the support base 3 after packaging is described. As shown in FIGS. 21A and 22, the support portion 52 is
And the base 3a of the support 3 is swingably connected around the horizontal axis P9 of the support 52.
Is maintained between the support portion 52 and the base 3a.

Accordingly, as shown in FIGS. 22 and 21 (b), when the packaging of one packaged object A is completed, the support 3 is lowered. As a result, the pin 3b of the base 3a comes into contact with the fixing portion 54, and the support 3 is laid down around the horizontal axis P9. It is moved to 55 and taken out. When this operation is completed, the support base 3 is raised to the original position shown in FIG.

[7] Next, the step of extracting the packaging sheet 1 to the packaging table 2 will be described. As shown in FIGS. 1 and 23 (a), the packaging sheet 1 is wound in a roll and supported by a pair of support rollers 56, and the leading end of the packaging sheet 1 is held by a pair of upper and lower feeding rollers 57. I have. The state shown in FIG. 23A is a state in which the drawer mechanism 58 located at the right end of the packaging table 2 has moved to the left end of the packaging table 2 when one package is completed.

In the state shown in FIG. 23A, the leading end of the packaging sheet 1 is fed out to the pull-out mechanism 58 by the feed-out roller 57, and the leading end of the packaging sheet 1 is pulled out as shown in FIG. 58 operation arm 58
a, the pull-out mechanism 58 moves to the right end of the packaging table 2 on the paper surface and pulls out the packaging sheet 1.

As shown in FIG. 24A, a cutter 59 for cutting the packaging sheet 1 and a pair of pressing members 60 for pressing the front and rear portions of the cutter 59 in the packaging sheet 1 are disposed on the right side of the drawing roller 57 in the drawing. Have been. When the packaging sheet 1 is pulled out as shown in FIG. 24A, the cutter 59 and the pressing member 60 are lowered as shown in FIG. The cutter 59 cuts the portion of the packaging sheet 1 between 60. As a result, the packaging sheet 1 cut to a predetermined length is placed on the packaging table 2 and one package is completed.

In the claims, reference numerals are provided for convenience of comparison with the drawings, but the present invention is not limited to the configuration shown in the attached drawings.

[Brief description of the drawings]

FIG. 1 is an overall plan view of a packaging device.

FIG. 2 is a side view of the vicinity of a packaging table and a support table.

FIG. 3 is a side view showing a state in which an article to be packaged is dropped into an opening of a packaging table, and the article to be packaged is supported by a support table while being wrapped in a packaging sheet.

FIG. 4 is a plan view showing an open state and a closed state of the aperture mechanism.

FIG. 5 is a perspective view showing a drive structure of an aperture mechanism.

FIG. 6 is a plan view showing the vicinity of a pinion gear and a rack gear for driving the aperture mechanism.

FIG. 7 is a front view of the throttle mechanism in an open state.

FIG. 8 is a front view showing the state of the squeezing mechanism and the packaged object when the squeezing mechanism is closed.

FIG. 9 shows a support frame provided with a disk cutter and a holding arm for an adhesive tape, and the vicinity of the adhesive tape;
Side view showing a state where the support frame is about to return to the adhesive tape side after one package is completed.

FIG. 10 is a side view showing a state where the support frame is slightly before reaching the stroke end on the adhesive tape side.

FIG. 11 is a side view showing a state where the support frame has reached the stroke end on the adhesive tape side and the holding arm holds the tip of the adhesive tape.

FIG. 12 is a side view showing a state in which the support frame advances from the state of FIG.

13 is a side view showing a state in which the adhesive tape cut to a predetermined length after the state in FIG. 12 is transferred to an article to be packaged;

FIG. 14 is a side view showing the vicinity of a cutter arm for the adhesive tape, showing a state before and after cutting the adhesive tape.

FIG. 15 is a front view of the vicinity of a cutter arm for an adhesive tape.

FIG. 16 is a front view showing a state in which the disk cutter cuts an upper portion of the packaging sheet in a closed state of the squeezing mechanism, and a state in which the adhesive tape is transferred to the article to be packaged after cutting;

FIG. 17 is an overall plan view of a support frame provided with a disk cutter, a holding arm for an adhesive tape, and the like.

FIG. 18 is a plan view showing a state in which a disk cutter cuts an upper portion of a packaging sheet in a closed state of a drawing mechanism, and a state in which an adhesive tape is transferred to an article to be packaged after cutting.

FIG. 19 is a perspective view of the vicinity of a sponge member for pressing an adhesive tape.

FIG. 20 is a side view showing a state in which the adhesive tape of the article to be packaged is pressed by the sponge member;

FIG. 21 is a front view showing a state where the support base is lowered after the packaging is completed and the packaged object is transferred to a collection slide.

FIG. 22 is a side view showing a state in which the support base is lowered after the packaging is completed and the packaged object is transferred to a collection slide.

FIG. 23 is a side view showing a drawer mechanism that pulls out the next packaging sheet for packaging to a packaging table, and shows a state in which the drawer mechanism starts to pull out a roll-shaped packaging sheet while holding the leading end thereof.

24 is a side view showing a state in which the drawer mechanism has pulled out the packaging sheet to a predetermined length from the state of FIG. 23 and cut the packaging sheet.

FIG. 25 is a perspective view showing a state of an article to be packaged after the packaging;

[Explanation of symbols]

 REFERENCE SIGNS LIST 1 packaging sheet 1a upper part of packaging sheet 2 packaging table 2a opening of packaging table 3 support table 4 adhesive tape 11 auxiliary drawing member 12 drawing mechanism 26 cutting mechanism 33,34 tape attaching mechanism A

──────────────────────────────────────────────────続 き Continuation of the front page (72) Inventor Satoshi Ito 64 Ishizukita-cho, Sakai-shi, Osaka Kubota Sakai Works Co., Ltd. (56) References JP-A-3-226421 (JP, A) JP-A-3-3 187810 (JP, A) JP-A-3-133710 (JP, A) Japanese Utility Model Application Sho 58-188803 (JP, U) (58) Fields investigated (Int. Cl. ⁷ , DB name) B65B 11/00-11 / 58 B65B 25/04

Claims (3)

(57) [Claims] An object to be packaged for mounting a packaging sheet (1).
A packaging table (2) having an opening (2a) into which (A) falls is provided, and the article to be packaged (A) is inserted into the opening (2a) from above.
When the packaging sheet (1) is dropped , the packaging sheet (1) is squeezed and the object to be packaged (A) is wrapped in the packaging sheet (1). A support table (3 ) for supporting the dropped package (A) and a package (A) supported by the support table (3 );
Squeezing by sandwiching the upper part (1a) of the packaging sheet (1)
An aperture mechanism (12) to be closed, and an aperture section narrowed down by the aperture mechanism (12)
A cutting mechanism (26) for cutting out a portion of the packaging sheet (1) above the minute, and an upper packaging sheet (1 ) by the cutting mechanism (26).
Narrowed down part of the packaging sheet (1) with the part cut off
And a tape sticking mechanism (33), (34) for sticking an adhesive tape (4) on the packing sheet (1). 2. A squeezing mechanism (12), a cutting mechanism (26) and a tape attaching mechanism (3) under the packaging table (2).
The packaging device according to claim 1, wherein (3) and (34) are arranged. 3. An auxiliary squeezing member (11) for further narrowing the wrapping sheet (1) toward the wrapped object (A) when the wrapped object (A) is dropped into the opening (2a) from above. The packaging device according to claim 1, further comprising: