JP3995748B2 - Packaging method for bag products - Google Patents

Description

[0001]
[Technical field to which the invention belongs]
The present invention, bag packed goods to be spread so that one step is four two rows on the packing method of bag packed goods you packed in a cardboard box, such as a snack food.
[0002]
[Prior art]
In case of packing the packed products such as snack confectionery packed by the vertical bag making and packaging machine or the bag filling and packaging machine so that one row consists of four rows and packs them in a cardboard box. dimensions and if the transverse dimension is less than twice the double and the width of the bag packed product length, as shown in cardboard packing method of JP-a-4-311408 and JP-two of bagged laying in each stage A method is used in which the products are arranged in two rows so that the front and back are overlapped.
[0003]
[Problems to be solved by the invention]
However, according to the corrugated cardboard box packing method described in Japanese Patent Laid-Open No. 4-31408 , (1) the equipment becomes large and equipment costs are high. (2) After the packing into the cardboard box is finished, the bottom cover of the cardboard box The equipment costs are high, such as installing a line for the bottom lid closing device. (3) Four pieces of bag-packed items arranged so that the shuttle conveys and the front and rear and the left and right overlap in two rows. There is a problem that there is no guarantee that a state where the four bags are shifted and overlapped when the shuttle conveyor is reduced from the state where it is positioned at the opening of the cardboard box.
[0004]
An object of the present invention, which issued draft is assumed that can solve the above problems, by integrating such four bags packed products supplied one by one at intervals overlap shift in the right and left front and rear To provide a packaging method for packaging products that enables packaging and packaging even when the vertical and horizontal dimensions of the cardboard box are smaller than twice the length and twice the width of the packaging product. That is .
[0005]
[Means for Solving the Problems]
To solve the above problems, packing method of sacked products according to the present invention, the distribution co from the supply conveyor Ri by the vibration Ri interface unit the bagging products to consecutively been sorting conveyor on the downstream side with respect to the feed conveyor and transfer are distributed alternately on the right portion or the left portion of the conveyer, then two and transferred alternately the bagging goods to the left and right alignment conveyor provided continuously to the downstream side of the sorting conveyor from the sorting conveyor of the sacked products are arranged in parallel, then the then transferring the two bags packed goods from the left and right alignment conveyor accumulation conveyor which is continuously provided one step lower on the downstream side of said alignment conveyor, in the same manner thereafter, the following two and transferred to misregistration respectively against the number of bags packed goods on the accumulation conveyor before the is transferred the said two bags packed goods, then the right two of the bagging goods on the accumulation conveyor and the left side of two of the bagged goods First and sucked and held by the second vacuum pad respectively, then it sucked and held by the left and a second vacuum pad of a first of the right that are sucked and held by the vacuum pad in two bags packed product It consists to packing the Intention and right end as misalignment overlap in a cardboard box of the left two bags packed products are.
According to this boxing method for packaged products, the packaged products supplied by the supply conveyor are alternately distributed and transferred to the right side portion or the left side portion of the sorting conveyor connected to the downstream side of the feeding conveyor by the sorting means. Then, it is alternately transferred to the left and right alignment conveyors arranged downstream of the sorting conveyor, and arranged in parallel as two packaged products. The two side-by-side bag products are then transferred to a stacking conveyor connected one step lower on the downstream side of the left and right alignment conveyors, and thereafter the next two bag products are transferred to the stacking conveyor in the same manner. Each of the two packaged products transferred previously is shifted and transferred. The two right side bags and the two left side bag items on the stacking conveyor are sucked and held by the first and second vacuum pads, respectively. The left end of the two packs and the right end of the two left packs sucked and held by the second vacuum pad are shifted so as to overlap each other, and the four packs are shifted. It is packed in a cardboard box.
In the boxing method for the bag-packed product, preferably, the sorting conveyor is connected to the supply conveyor one step lower in the downstream, and the sorting means is inclined in the direction of the width of the conveyor so that the bag-packed product is rides by slide down includes an inclined variable plate the bagging products Ru closer to the slide down direction, the transfer allocation to alternating to the right portion or the left portion of the sorting conveyor of the bagging products, said inclined variable It is good to set it as the structure performed by changing repeatedly the sliding down direction of the said bag-packed goods by a board for every transfer of the said bag-packed goods .
Alternatively, in the boxing method of the bagged product, preferably, the right side portion and the left side portion of the sorting conveyor are in a bagging product receiving position with respect to one portion left to transfer between the conveyor and the supply conveyor. And a second vacuum pad, and the sorting means is provided with a third vacuum pad, and alternately transfers the packed products to the right side portion or the left side portion of the sorting conveyor. For loading, every other packaged product supplied to the supply conveyor is sucked by the third vacuum pad and transferred to the other part of the sorting conveyor, and the remaining every other packaged product is transferred to the conveyor. It is preferable to use a configuration in which it is left to the above delivery .
Further, in the boxing method for the packaged product, it is preferable that the stacking conveyor is provided between the belt gaps of a plurality of narrow winding belts to support the packaged product. It includes a time of transferring the bagging products to said first and second carton opening that is supplied to the downstream side with respect to the accumulation conveyor while holding by suction by vacuum pad, the first performed in synchronization with the travel of the winding belt of the accumulation conveyor and the movement of the first and second vacuum pad and the movement of the movable table, after return movement of the movable table, the first and second amount may be configured to packed in two of Intention to overlap shift the sacked products lowers the cardboard box two bags packed products of the right that are sucked and held to the left by the vacuum pad.
[0006]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, the packing method of the sacked products according to the present invention the first embodiment with reference to FIGS explained.
[0007]
First, the configuration of the boxing device for packaged products will be briefly described with reference to FIGS. 1 and 2. The boxing device for the bagging product includes a supply conveyor 10 for supplying the bagging product W, a sorting conveyor 20 that is connected to the downstream side of the supply conveyor 10 so that the bagging product W is sorted and transferred, and the bagging product. The variable inclination plate 30A serving as a distribution means that alternately distributes W to the right side portion or the left side portion of the distribution conveyor 20 and the downstream side of the distribution conveyor 20 are arranged in parallel on the left and right sides, and the packaged product W is transferred alternately. The left and right alignment conveyors 40A and 40B, which are placed in parallel to each other and the downstream side thereof, are placed one step lower on the downstream side, and the two backpacks are transferred. The stacking conveyor 50 on which the single packaged product is transferred and shifted in the front-rear direction with respect to the two packaged products previously transferred, and the two right-side packed products W on the stacking conveyor 50 And the two left-hand side bags W It comprises a second vacuum pad 61 and 62, and a handling device 60 for packing in a cardboard box with four bags packed goods W suction-holding.
Feed conveyor 10 is an endless conveyor belt 12 is driven by a motor 11 you travel constantly. Sorting conveyor 20, it travels always have an endless conveyor belt 22 driven co Nbeaberuto 12 to double the width by motors 21. The variable tilting plate 30A as the sorting means is supported by the horizontal shaft 31 with the horizontal shaft 31 positioned in the center of the sorting conveyor 20 in the width direction and suspended from the belt and placed horizontally, near the top of the tilt . When the horizontal shaft 31 is reciprocated by about 240 degrees by the rotary actuator 32 provided on the lower side of the supply conveyor 10 , the variable tilt plate 30A has an inclination angle of about 30 degrees on either the right side or the left side. you inclined. The alignment conveyors 40A and 40B respectively have endless conveyor belts 43 and 44 that correspond to the right and left portions of the sorting conveyor 20 and have substantially the same width as the conveyor belt 12, and have an upward slope toward the running direction. have wound you intermittent travel is driven by a motor 41. In the alignment conveyors 40A and 40B, the packaged products W from the sorting conveyor 20 are alternately transferred, and the two packaged products are arranged in parallel. Accumulation conveyor 50, a large number of endless with narrow conveyor belts 51, 51 ... is made hung parallel windings, the conveyor belt 51, ... are you intermittent travel is driven by a motor 52. Between the belt gaps of the stacking conveyor 50, it is supported and guided by a guide 71 , and is reciprocated by a motor-driven rodless cylinder 72. A table 73 is provided . The handling device 60 includes first and second vacuum pads 61 and 62 for sucking and holding the two right side bags and the two left side bags on the stacking conveyor 50 . and boxed in cardboard boxes Intention to overlap shift the second right suction-holding at vacuum pad 61, 62 of the two bags packed article and the left two bags packed goods.
[0008]
Then, through that with reference to FIGS illustrating the operation of the packing apparatus of sacked products, that describes the packing method of the sacked products of the present invention. When sacked products are manufactured one after another by the vertical bag filling and packaging machine (not shown), as shown in FIG. 2, the packaged goods W are provided receive a feed conveyor 10, downstream with respect to the supply conveyor 10 from a supply conveyor 10 gradient variable plate are right inclined provided in the central portion in the width direction of the sorting conveyor 20, which is one step lower continuously provided on the side Ru are transferred on (distributing means) 30A.
[0009]
As shown in FIG. 3 , the packaged product W transferred onto the tilt variable plate 30 </ b> A slides down the tilt variable plate 30 </ b> A as indicated by an arrow a and is displaced to the right side portion in the transport direction of the sorting conveyor 20. At the moment the bag packed goods W has downhill inclination variable plate 30A, the inclination variable plate 30A is Hanten as arrow b so that the left slope. Bagged products W, since the gradient variable plate 30A already takes end and downhill, further in the right direction as shown by the arrow c on the right side of the sorting conveyor 20 without being turned upside down by the inclined variable plate 30A Sent to. Vibration Ri divided sacked products were received to the right of the conveyor 20 W, since the sorting conveyor 20 is traveling continuously, Ru are transferred is conveyed to the right side of the alignment conveyors 40A as indicated by the arrow d. Bagged products W, when transported to the middle of the alignment conveyors 40A, is detected by the first photoelectric tube, not shown, the right side of the alignment conveyors 40A stops running in response to the detection, has been on the right side of the alignment conveyors 40A Stopped in the middle.
[0010]
Then, as shown in FIG. 4, the next bag packed products W transported the feed conveyor 10 above Ru is transferred to tilt the variable plate 30A being left inclined. As shown in FIG. 5, the packaged product W slides down the inclined variable plate 30 </ b> A to the left as indicated by an arrow e and is displaced to the left side portion of the sorting conveyor 20. Inclined at the moment of sacked products W was downhill inclination variable plate 30A which is left inclined variable plate 30A is semi-rolling again as indicated by the arrow f the right slope. At this time, the packaged product W slides down the tilting variable plate 30A and the end is hung on the left side portion of the sorting conveyor 20, so that the bagging product W of the sorting conveyor 20 is not turned upside down by the tilting variable plate 30A inclined halfway . asked in the left direction so further as shown by the arrow g in the left part. Bagged products W that were received to the left of the sorting conveyor 20, so sorting conveyor 20 is traveling continuously, Ru is transferred to the alignment conveyor 40B of the conveyance left as indicated by the arrow g. Bagged products W, when transported to the middle of the alignment conveyor 40B, is detected by the second photoelectric tube FIGS shows, left alignment conveyor 40B stops running in response to the detection, have been left alignment conveyor 40B Stopped in the middle.
[0011]
Stop Thus, to transfer alternately to the right portion and the left portion of the conveyor 20 distributes the bagging goods W to be run one after the other in the feed conveyor 10, further to the left and right alignment conveyors 40A, and transferred alternately 40B By doing so , two packaged goods W and W can be arranged in parallel on the alignment conveyors 40A and 40B .
[0012]
Then, as shown in FIG. 6, the left and right alignment conveyors 40A, 40B and alignment conveyors 40A, and the accumulation conveyor 50, which is continuously provided one step lower on the downstream side of 40B is traveling at the same speed at the same time, the accumulation conveyor 50 on two of the bags packed goods W, W is Ru are transferred. As shown in FIG. 7, two bags packed article W, the leading edge of the W is transferred to the middle of the accumulation conveyor 50, is detected by the third photocell, not shown, the accumulation conveyor 50 is traveling in response to the detection Then, the two packed products W and W are stopped at the upstream position from the middle of the stacking conveyor 50.
[0013]
Next, the next packaged product W conveyed by the supply conveyor 10 is transferred to the alignment conveyor 40A on the right side through the operation steps of FIGS. 6 and 7 (same as the operation steps in FIGS. 2 and 3). The Subsequently, the next packaged product W conveyed by the supply conveyor 10 is transferred to the left-side alignment conveyor 40B through the operation steps of FIGS. 8 and 9 (same as the operation steps in FIGS. 4 and 5). Is done. As described above, the two packed products W, W can be arranged in parallel on the left and right alignment conveyors 40A, 40B, and the two packed products W, W are arranged on the left and right sides as shown in FIGS. alignment conveyors 40A, 40B and the accumulation conveyor 50 is Ru are transferred onto the accumulation conveyor 50 traveling at the same speed at the same time. If phototube not shown forward end of the sacked products W in the transport direction front side to detect, accumulation conveyor 50 is stopped running in response to the detection, four bags packed goods W, W, located ... it is the accumulation conveyor 50 on Is done. In this case, accumulation conveyor 50 is aligned conveyors 40A, which is about 1.5 times the one-step lower in the thickness of the packaged goods W as a step size than 40B. And after the accumulation | conveyance conveyor 50 moved only the length of the packaging goods W at the moment when the packaging goods W transferred later on the accumulation conveyor 50 shifted and overlapped with the packaging goods W previously transferred, The alignment conveyors 40A and 40B and the accumulation conveyor 50 stop running . Therefore , the two right side bags W and W transferred on the stacking conveyor 50 and the two left side bag W and W are respectively transferred to the bag W after the transfer first. The transferred product is transferred and overlapped with the packaged product W transferred.
[0014]
Next, as shown in FIG. 4, the handling device 60 waiting above the stacking conveyor 50 is lowered, and the first and second vacuum pads 61 and 62 are respectively placed on the right two bags on the stacking conveyor 50. The stuffed product W and the two left stuffed products W are sucked and held.
[0015]
Next, as shown in FIGS. 1 and 5, the movement of the handling device 60, the belt travel of the stacking conveyor 50, and the movement of the movable table 73 are simultaneously performed at the same speed. Since the handling device 60 does not lift the sacked products W, wrapping the belt 51, ... of the belt between the comb teeth-like movable table 73 provided in the gap while propped up four of bagged products W, The packaged product W is transferred to the opening of the cardboard box B supplied to the downstream side of the stacking conveyor 50.
[0016]
Next, as shown in FIG. 6, the movable table 73 moves back and the stacking conveyor 50 stops running. Next, as shown in FIG. 7, the first vacuum pad 61 approaches the second vacuum pad 62, and the left ends of the two right-side packaged products W that the first vacuum pad 61 sucks and holds. a second vacuum pad 62 handling device 60 is attracted to overlap shifted to the right end of the two bags packed goods W on the left side that is sucked and held is you down. Then by the first and second vacuum pads 61 and 62 is stopped sucking, four bags packed goods W, W · · is Ru is packed in a cardboard box B.
[0017]
The handling device 60 has a maximum descending stroke when the four first-stage packed products W, W... Are packed, and each time the first-stage box is packed, the lowering stroke is reduced by the thickness of the packed product W. Thus, the boxed products W, W,... Are packed in such a way that the bags W, W,.
[0018]
Subsequently, the packing method of the sacked products according to the present invention will be described with reference to FIG. 9 the second real 施形 condition. And transferring the packaged article W to sorting conveyor 20 provided continuously on the lower stream side of the supply conveyor 1 0, where, first the means distributing the bags packed goods W of every one supplied to supply conveyer 10 It sucked and held in the third vacuum pad 30B, and transfers to a position spaced laterally with respect to the sacked products receiving position from supply conveyor 10 for vibration Ri divided conveyor 20. Sacked products W of one every supplied to supply conveyer 10 is not sucked by the third vacuum pad 30B is let to pass between the conveyor. As a result, the packed product W is alternately transferred to the right side portion or the left side portion of the sorting conveyor 20 and then transferred to the left and right alignment conveyors 40A and 40B connected to the downstream side from the sorting conveyor 20 alternately. are transferred, aligned conveyor 40A, 4 hand two bags packed goods W to 0B are parallel. Then the left and right alignment conveyors 40A, 40B thereof to the accumulation conveyor 50, which is continuously provided one step lower in the downstream side of two bags packed products W are transferred from the hereafter in the same manner, the next two bags packed goods W The left and right bag products W transferred on the stacking conveyor 50 are shifted and transferred respectively . Then, two of the sacked products W on the right side of the two bags packed goods W and the left on the accumulation conveyor 50 is sucked and held by the first and second vacuum pads 61 and 62, collecting the product conveyor 50 It is transferred to the opening of the cardboard box B supplied downstream . At that time, the packaged goods W is underpinned by condensing the product conveyor 50 a large number of narrow constituting to a wrapping belt 51, ... of the belt between the comb teeth-like movable table 73 provided in the gap Is done. The movement of the first and second vacuum pads 61 and 62, the belt travel of the stacking conveyor 50 and the movement of the movable table 52 are performed in synchronization, and the movable table 73 is returned and moved, and then the first and second vacuum pads are moved. The left and right two packed products W and the two left packed products W that are sucked and held by 61 and 62 are moved downwardly so as to overlap each other, so that the four packed products W become cardboard boxes. Ru is boxed in B.
[0019]
【The invention's effect】
As described above, according to the method of boxing a bag of the present invention, even if the vertical and horizontal dimensions of the cardboard box are smaller than twice the height and the width of the bag, the interval 4 pieces of bags that are supplied one by one are rearranged so that the four pieces are separated in two rows and overlap each other, and sucked and held by a vacuum pad. It can be packed in a cardboard box so that they overlap each other. Thus, according to the method of boxing the bag-packed product of the present invention, (1) the apparatus is not large and suitable for space saving, and the production cost of the apparatus can be kept low. (2) After the packing into the cardboard box is completed , there is no need to close the bottom lid of the cardboard box, that the bottom lid closure device for the line installation is kept low production costs from this point becomes unnecessary, (3) back and forth four bags packed products in two rows and Ki de be packed into a cardboard box to ensure a state in which the left and right are arranged so as to overlap shift, and (4) neatly stacked it in four of the bags packed goods cardboard in the box there is no error when packing to a cardboard box Can do.
[Brief description of the drawings]
FIG. 1 is a perspective view of an apparatus for carrying out a method of boxing a bag according to a first embodiment of the present invention. FIG. 2 is a boxing of a bag according to a first embodiment of the present invention. FIG. 3 is a plan view showing a step subsequent to the step shown in FIG. 2. FIG. 4 is a plan view showing a step subsequent to the step shown in FIG. 4 is a plan view showing the next step of the step shown in FIG. 4. FIG. 6 is a plan view showing the next step of the step shown in FIG. 5. FIG. 7 is a plan view showing the next step of the step shown in FIG. FIG. 9 is a plan view showing a step subsequent to the step shown in FIG. 7. FIG. 9 is a plan view showing one step for explaining a method of boxing a packaged product according to the second embodiment of the present invention. Explanation】
W ... Packed product 10 ... Supply conveyor 20 ... Distribution conveyor 30A ... Inclination variable plate (distribution means)
30B ... Third vacuum pad (sorting means)
40A, 40B ... alignment conveyor 50 ... stacking conveyor 51 ... winding belt 61 ... first vacuum pad 62 ... second vacuum pad 73 ... movable table B ... cardboard box

Claims (4)

To the feed conveyor from the feed conveyor distributes alternately the right portion or the left portion of the by Ri said sorting conveyors to Ri interface unit vibration the bagging products to consecutively been sorting conveyor to the downstream side transfer,
Was then parallel to transfer alternately two bags packed goods the bagging goods to the left and right alignment conveyor provided continuously to the downstream side of the sorting conveyor from the sorting conveyor,
Then transferring the two bags packed goods from the left and right alignment conveyor accumulation conveyor which is continuously provided one step lower on the downstream side of said alignment conveyor,
Thereafter in the same manner, and transferred to misregistration respectively for the next two the bags packed product is transferred earlier to the integrated conveyor two bags packed products,
Then it sucked and held in the right two of the bagging goods and the left two of the bagging products first respectively second vacuum pad on the accumulation conveyor,
Then two of the left and two mutually shift the right end of the sacked products of the left that are sucked and held by the second vacuum pad of sacked products of the right that are sucked and held by the first vacuum pad It is boxed in a cardboard box from a quick guide to the top hotels, so as to overlap
Packing method of bag packed products consists of. The sorting conveyor is arranged one step lower on the downstream side than the supply conveyor,
The sorting means includes a variable tilt plate that tilts the direction of the conveyor in the direction of the width of the conveyor and slides down the bagged product to bring the bagged product in the sliding down direction.
In the transfer of the packaged goods alternately to the right part or the left part of the sorting conveyor, the sliding down direction of the packaged goods by the inclined variable plate is alternately and repeatedly changed every time the packaged goods are transferred. Done by
The boxing method of the bagging goods of Claim 1 which consists of this . The right side portion and the left side portion of the sorting conveyor include one portion left to transfer between the conveyors and the other portion laterally separated from the supply conveyor with respect to the baggage receiving position. And
The sorting means includes a third vacuum pad,
In the transfer of the bag-filled products to the right-hand side portion or the left-hand side portion of the sorting conveyor alternately, every other bag-filled product supplied to the supply conveyor is sucked by the third vacuum pad and the sorting conveyor It is carried out by transferring the rest of the bags to the other part, and leaving the rest of the packaged goods to the delivery between the conveyors.
The boxing method of the bagging goods of Claim 1 which consists of this . The accumulation conveyor includes a comb-like movable table that is provided between the belt gaps of a plurality of narrow winding belts and supports the packaged product,
When transferring the bagging products to said first and second openings of the cardboard box fed to the downstream side with respect to the accumulation conveyor while holding by suction by vacuum pad, the first and second performed in synchronization with the movement of the vacuum pad and the running of the winding belt of the accumulation conveyor and the movement of the movable table, after return movement of the movable table, suction held by the first and second vacuum pad to boxing in the cardboard box descends in to the right side of two of the bags packed goods that are asked so as to overlap shift the left-hand side of two of the bags packed goods and
Packing method of sacked product according to any one of claims 1-3 which consists in.

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