JP2008050040A - Automatic merchandize packaging process - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To speed up automatic merchandise packaging by simultaneously executing a plurality of cardboard sheet transfer processes, merchandise supply processes, packaging processes, sealing processes, etc. <P>SOLUTION: The automatic merchandize packaging process uses a transfer path composed of parallel rails for supporting a cardboard case and a transfer body provided with an attachment for transferring the case and being driven intermittently. A first cardboard sheet 2 is supplied to the beginning end of the path from a magazine part 1 and is formed in a vertical U-shape. A pressure rod is rocked and moved up to the back of the sheet 2 for moving the sheet 2 on the rails to the attachment so as to be held. Then the second cardboard sheet 3 is formed and moved just as the first cardboard sheet 2. The transfer body is intermittently driven to hold the U-shaped first and second cardboard sheets between the attachments and to be transferred to a boxing position 4. Merchandise is supplied simultaneously onto the bottom flap b of the first sheet 2 and the second sheet 3 for continuous transfer, packaging and sealing. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to an automatic product packaging method for automatically forming a cardboard sheet and packaging the product.

  There has been proposed an automatic packaging apparatus in which the supply of the developed cardboard sheet, the supply of the product on the cardboard sheet, the subsequent box making, packaging and sealing operations are continuously performed (Japanese Utility Model Publication No. 57-43761, Japanese Patent Publication No. 55-3201).

In the automatic packaging apparatus, the steps of supplying the developed corrugated cardboard sheet, supplying the product on the corrugated cardboard sheet, and subsequent box making, packaging and sealing operations are performed individually and continuously.
Japanese Utility Model Publication No.57-43761 Japanese Patent Publication No.55-3201 Japanese Patent Laid-Open No. 2001-2019

  In the conventional apparatus, the steps of supplying the developed corrugated cardboard sheet, supplying the product on the corrugated cardboard sheet, subsequent box making, packaging and sealing work are performed in a single and continuous manner. In order to increase the speed of automatic packaging of products, it was necessary to shorten the overall packaging time by increasing the speed of each process. However, the operation and time required for each process are different, and further, there is a limit to speeding up automatic packaging of products due to the balance of each process.

  In view of the circumstances described above, the present invention is capable of automatic packaging of products by performing a plurality of and simultaneous processes such as cardboard sheet conveyance, product supply on the cardboard sheet, subsequent box making, packaging and sealing operations. It is intended to increase the speed.

  In order to achieve the above object, the present invention provides a leading end of a conveyance path comprising a parallel rail that supports a cardboard case, and a conveyance body that is intermittently driven by an attachment that conveys the cardboard case at a predetermined interval. The first corrugated sheet is supplied from the magazine section of the corrugated cardboard sheet provided on the upper part and formed into a vertical U-shape, and then the rear of the first corrugated sheet formed into the vertical U-shape, The first corrugated sheet is moved and held on the parallel rail to the attachment of the transport body, which is intermittently stationary forward, in advance, by swinging up and down the vertically moving and swinging pressing rod, and subsequently Similarly to the first cardboard sheet, the second cardboard sheet is supplied to the starting end of the rear conveyance path to form a vertical U-shape, and the pressing rod is lowered and returned at the same time as the transport body. The first U-shaped first corrugated cardboard sheet and the second corrugated cardboard sheet are intermittently driven to be held between attachments provided at predetermined intervals on the transport body and transported to a boxing position. A product is simultaneously supplied onto the bottom flap of the first corrugated cardboard sheet and the second corrugated cardboard sheet, and subsequently conveyed for packaging and sealing.

  In the present invention, the first cardboard sheet (hereinafter referred to as “first cardboard sheet”) supplied from the magazine section of the cardboard sheet to the start end of the transport path is formed in a vertical U-shape at the start end of the transport path. And is moved on the parallel path to an attachment of a transport body that is intermittently stopped in front by a pressing rod that is molded in the rear and raised rearward.

  In the above state, the first corrugated sheet has a vertical U-shape in which each flap at the front of the bottom flap is held upright by the attachment of the carrier, and each flap at the rear of the bottom flap is held up by the pressing rod. The state is maintained.

  Next, similarly to the first corrugated cardboard sheet, a second corrugated cardboard sheet (hereinafter referred to as “second corrugated cardboard sheet”) is supplied to the starting end portion of the conveyance path and formed into a vertical U shape. At the same time, the pressing rod holding up the rear flap of the bottom flap of the first corrugated cardboard sheet is lowered, and the conveying body is driven intermittently.

  As a result, the attachment at the rear position provided at a predetermined interval on the transport body maintains the standing state of each flap at the rear of the bottom flap of the second corrugated cardboard sheet in time.

  As described above, the first corrugated cardboard sheet and the second corrugated cardboard sheet are held side by side in a vertically U-shaped state between attachments provided at predetermined intervals on the transport body.

  Thereafter, the first corrugated sheet and the second corrugated sheet are conveyed to the boxing site by the conveying body while being held in a vertically U-shaped state, and the first corrugated sheet and the second corrugated sheet are Goods are simultaneously fed onto the bottom flap, and packaging and sealing are performed in the subsequent transport process.

  In addition to the pusher system, the supply of the product onto the bottom flaps of the first and second corrugated cardboard sheets is carried by a suction cup because the corrugated cardboard sheet is vertically U-shaped and opened upward. It can also be performed by a method such as a method.

  In addition, the packaging can be performed by a method in which each flap is sequentially folded by a fixed guide and a folding arm or the like in the transporting process. Further, sealing can be performed using a hot melt adhesive. Any of them may be a conventionally known method.

  According to the apparatus of the present invention, it is possible to increase the speed of automatic packaging of products by performing a plurality of and simultaneous steps of conveying a corrugated cardboard sheet, supplying a product on the corrugated cardboard sheet, and subsequent packaging and sealing operations. it can.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings. FIG. 6 schematically shows each step of the automatic product packaging method according to the present invention.

  A first corrugated sheet 2 and a second corrugated sheet 3 are sequentially supplied from a magazine section 1 of corrugated cardboard sheets onto a conveyance path (not shown), and are respectively formed in a vertical U shape and held side by side. That is, a side flap d having end flaps c and c is raised at a rear portion of a bottom flap b having end flaps a and a, and end flaps h and h are provided at a front portion of the bottom flap b. The side flaps i having the end flaps e, the end flaps e and e, the lid flaps f having the e, and the seal pieces g are raised, formed into a vertical U shape, and arranged and held.

  Next, the first corrugated cardboard sheet 2 and the second corrugated cardboard sheet 3 are held between attachments provided at a predetermined interval on the transport body constituting the transport path and transported to the boxing portion 4.

  In addition, the flap which does not affect the boxing of goods at the time of conveyance to the said boxing site | part, specifically, the edge part flap c and the said side flap of the said side flap d located in the opposite side to the boxing direction The end flaps h of i are each folded inward. Further, although not shown, the end flaps a, a of the bottom flap b are slightly inclined downward, and the state is held by a guide (not shown) and conveyed to the boxing portion 4.

  In synchronism with the arrival of the first corrugated sheet 2 and the second corrugated sheet 3 to the boxing part 4 by intermittent driving of the conveying body, a necessary number of products G are supplied in advance to the side of the boxing part 4. The commodity G is simultaneously supplied onto the bottom flaps b of the first cardboard sheet 2 and the second cardboard sheet 3 by a plurality of pushers (not shown).

  In an example of the drawings, a cup-shaped product is represented as the product G, and each of the six cardboard sheets 2 and 2 is assembled by being inverted for stable boxing. The six pieces are supplied onto the bottom flap b of the cardboard sheet 3.

  Thereafter, in the transporting process by the transport body, the lid flap f is folded, and the end flap c positioned in the packing direction of the side flap d and the end flap h of the side flap i are each folded inward. .

  Next, hot melt adhesive is spray applied to the outer side surfaces of the side flaps d already folded end flaps c, c and the side flaps i already folded end flaps h, h, Both end flaps a and a of the bottom flap b and end flaps e and e of the lid flap f are folded and superposed on the spray application surface S of the hot melt adhesive.

  Thereafter, the contact state of the first corrugated cardboard sheet 2 and the second corrugated cardboard sheet 3 is released and separated and spaced apart, and a hot melt adhesive is spray-applied on the upper side of each of the side flaps d. The sealing piece g provided on the lid flap f is bent and bonded to the spray application surface S, thereby completing box making, packaging and sealing.

  1, FIG. 2, FIG. 3 and FIG. 4 show an apparatus for supplying the first corrugated cardboard sheet 2 and the second corrugated cardboard sheet 3 from the magazine section 1 onto the conveying path 5 and forming them into a vertical U shape. ing.

  The conveyance path 5 includes a parallel rail 6 provided in a width for supporting the first and second corrugated cardboard sheets (corrugated cardboard cases) 2 and 3, and an endless arrangement arranged along the parallel rail 6 and intermittently driven. And a carrier 9 having attachments 8 provided at predetermined intervals on the endless chain 7. That is, the first and second corrugated cardboard sheets 2 and 3 are intermittently conveyed by a predetermined distance by being pressed on the parallel rail 6 by the attachment 8 of the conveying body 9.

  As a method for supplying the first and second corrugated cardboard sheets 2 and 3 accommodated in the magazine 1 onto the transport path 5, a swinging rod 11 having a known suction cup 10 is employed. That is, the suction cup 10 is attracted to the lowermost corrugated cardboard sheet accommodated in the magazine portion 1, the tip end direction of the swinging rod 11 is swung downward, and sequentially on the transport path 5. The first and second cardboard sheets 2 and 3 are supplied and the suction of the suction cup 10 is released.

  First, the supply of the first corrugated cardboard sheet 2 onto the conveying path 5 and the formation of a vertical U-shape will be described. The suction cup 10 is adsorbed to the corrugated cardboard sheet located at the lowest position of the magazine portion 1, Next, the tip end direction of the swinging ridge 11 is lowered, and the first corrugated cardboard sheet 2 is supplied onto the conveyance path 5. At the same time, the rear side flap d of the bottom flap b and the end flaps c and c thereof are raised by an arcuate guide 12 (see FIG. 4) provided in advance on the machine body side.

  Further, the front side flap i of the bottom flap b and its end flaps h and h, the lid flap f and its end flaps e and e, and the sealing piece g are provided in the process of pulling out the cardboard sheet 2. The set guide 15 is bent by an adjustment guide 13 (see FIG. 1), and is further advanced by an air cylinder 14 to an appropriate position in the transport path 5 when the bottom flap b is supplied onto the transport path 5. The upright state is maintained and it is formed into a vertical U shape.

  In the figure, 16 is a set guide similar to the set guide 15 used for forming corrugated cardboard sheets having different sizes, and is configured to be advanced and returned by an air cylinder 17. Reference numeral 18 denotes a rotating plate that tilts and holds the end flaps a, a of the bottom flap b.

  As described above, when it is detected that the first corrugated cardboard sheet 2 is formed in a vertical U-shape, as shown in FIG. 1, the air is disposed behind the first corrugated cardboard sheet 2 formed in the vertical U-shape. The pressing rod 20 is raised by the extension of the cylinder 19, and the set guides 15 and 16 are further retracted by the air cylinders 14 and 17, respectively. At the same time, the pressing rod 20 is swung forward by the contraction of the air cylinder 21. .

  As a result of the above, as shown in FIG. 2, the pressing bar 20 is swung forward, and the vertical U-shaped first corrugated cardboard sheet 2 is moved to the attachment 8 of the carrier 9 that is intermittently stationary forward. Let In this state, the first U-shaped corrugated cardboard sheet 2 is held in a U-shaped cross section by the attachment 8 of the transport body 9 and the pressing rod 20.

  Next, as shown in FIG. 3, the second cardboard sheet 3 is supplied to the start end of the conveying path 5 behind the first U-shaped first cardboard sheet 2 in the same manner as the first cardboard sheet 2. Molded in a U shape. At the same time, the pressing rod 20 is lowered by the contraction of the air cylinder 19 and is returned to its original state by the extension of the air cylinder 21.

  As the pressing rod 20 descends, the transport body 9 is driven, and the attachment 8a at the rear position provided on the transport body 9 is raised at the start end of the transport path 5 in time, and the vertical link The first corrugated cardboard sheet 2 and the second corrugated cardboard sheet 3 are held between the attachments 8 and 8a provided at a predetermined interval on the transport body 9, and further transported to the boxing position 4 by intermittent driving. Is done.

  A table 22 at the front end of the transfer path (not shown) of the cup-shaped product G provided in parallel with the transport path 5 of the first and second corrugated cardboard sheets 2 and 3 is previously placed on the side of the boxing position 4. On the table 22, six cup-shaped products G that are inverted are gathered and kept on standby.

  The cup-shaped product G is inverted and gathered, for example, by hooking the upper front part of the transferred cup-shaped product G in the transfer direction above each transfer path for transporting the cup-shaped product G upright. Up and down movement that allows the cup-shaped product G to be moved upside down by hooking the upper part of the large-diameter portion at the rear in the transfer direction of the cup-shaped product G that has been tilted backward. This is performed by providing a free inverted ridge (see JP 2001-2019 A).

  FIG. 5 shows an example of batch and simultaneous boxing of the cup-shaped products G. That is, the inverted and assembled cup-shaped products G supplied on the table 22 are placed on the bottom flaps b and b of the first and second cardboard sheets 2 and 3 supplied on the transport path 5. In addition, it is carried out by supplying them simultaneously by the pushers 23, 23. The pushers 23 and 23 are advanced and returned by an air cylinder (not shown).

  During the packaging, the end flaps c of the side flaps d and the end flaps h of the side flaps i located at the openings of the first and second corrugated sheets 2 and 3 interfere with the packaging. In order to prevent this, the rocking plates 24 and 24 are spread outward.

  When the cup-shaped product G is packaged on the first and second corrugated cardboard sheets 2 and 3 at the same time, the first and second corrugated cardboard sheets 2 and 3 are moved by the carrier 9 to the parallel rails. 6, the lid flap f is folded in the carrying step, and the end flap c of the side flap d and the end flap h of the side flap i located in the packing direction are each folded inward. .

  Next, hot melt adhesive is sprayed onto the outer side surfaces of the side flaps d, the already folded end flaps c, c, the side flaps i, the already folded end flaps h, and the side flaps d. The end flaps a and a of the bottom flap b and the end flaps e and e of the lid flap f are folded and superposed on the spray application surface S of the hot melt adhesive.

  Thereafter, the contact state of the first corrugated cardboard sheet 2 and the second corrugated cardboard sheet 3 is released and separated and spaced apart, and a hot melt adhesive is spray-applied on the upper side of each of the side flaps d. On the spray application surface S, a sealing piece g provided on the lid flap f is bent and bonded to the side flap d to complete packaging and sealing.

  In addition, the apparatus shown in order to explain the method of the present invention, in addition to the automatic packaging of the six cup-shaped products, by partially changing the specification, the automatic packaging of the 12 cup-shaped products and the It can be used for automatic packaging of 20 cup-shaped products.

  That is, in addition to the first and second corrugated sheets 2 and 3 for the six in the embodiment, automatic packaging and large-sized corrugated sheets M (for 12 cup-shaped products) shown in FIG. Packaging using a cardboard sheet L (for 20 cup-shaped products) is possible.

  The partial specification change includes changing the length of the swing rod 11, adjusting the mounting position of the suction cup 10 attached to the swing rod 11, the number of cup-shaped products G supplied on the table 22, and Adjustment of the assembly position, etc.

  When the medium-sized cardboard sheet M and the large-sized cardboard sheet L are used, the pressing rod 20 and the air cylinders 19 and 21 for driving the pressing rod 20 are not used.

  As described above, in the case of the large-sized corrugated cardboard sheet L, it is formed and set in a vertical U shape between the attachments 8 and 8a of the transport body 9 constituting the transport path 5 and transported to the boxing portion 4. So there is no problem.

  On the other hand, in the case of the medium-sized corrugated cardboard sheet M, it is formed and set in a vertical U shape by the adjustment guide 13, the arcuate guide 12 and the set guide 16 when supplied onto the transport path 5. However, the set guide 16 can be returned by the air cylinder 17 during subsequent transport to the boxing portion 4.

  When the set guide 16 is returned by the air cylinder 17, the side flaps i, the lid flaps f, and the end flaps h and e and the seal pieces g are raised up in front of the medium-sized cardboard sheet M. It loses its support and falls forward and leans against the attachment 8 constituting the transport body 9.

  However, it is transferred to the boxing portion 4 as it is, and in the boxing portion 4, a stopper (not shown) is lifted from the lower side of the transporting path 5, and the side flap i, the lid flap f, and the end flaps h, e In addition, the seal piece g is raised, and is formed and boxed in a vertical U shape.

  The automatic packaging method of the present invention is not limited to the cup-shaped product, and can be applied to automatic packaging of various products.

It is a side view which shows the state which supplies a 1st cardboard sheet | seat on a conveyance path, and is shape | molded in a vertical U shape. It is a side view which shows the conveyance state of the cardboard sheet | seat shape | molded by FIG. It is a side view which shows the state in which the 2nd cardboard case was supplied on the conveyance path. It is a principal part perspective view of FIG. It is a perspective view of a boxing part. It is a perspective view showing the automatic packaging method of goods concerning the present invention roughly.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Magazine part (corrugated cardboard sheet) 2 1st corrugated cardboard sheet 3 2nd corrugated cardboard sheet 4 Box packing part 5 Conveyance path 6 Parallel rail 8 Attachment 9 Conveyance body 20 Pressing rod

Claims (1)

A corrugated cardboard sheet provided above is provided at the start end of a conveyance path comprising a parallel rail that supports the cardboard case and an attachment that conveys the cardboard case at a predetermined interval and is driven intermittently. The first corrugated sheet is supplied from the magazine section and formed into a vertical U shape, and then a pressing rod that moves up and down is raised behind the first corrugated sheet formed in the vertical U shape. And the first corrugated sheet is moved and held on the parallel rail up to the attachment of the transport body that is intermittently stationary forward in advance, and then the first corrugated sheet is held at the start end of the transport path behind the first corrugated sheet. As with the first corrugated sheet, the second corrugated sheet is supplied and formed into a vertical U-shape, and the pressing rod is lowered and returned, and at the same time, the conveying body is intermittently driven to cause the vertical U-shaped first The corrugated cardboard sheet and the second corrugated cardboard sheet are held between attachments provided at a predetermined interval on the transport body and transported to a boxed portion, and the first corrugated cardboard sheet and the second corrugated cardboard sheet An automatic packaging method for a product, characterized in that the product is simultaneously supplied onto the bottom flap and then transported for packaging and sealing.

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