JP3742052B2 - Packaging method using tray - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a packaging method using a tray that uses a linear movement type packaging machine and automatically performs packaging by setting a massive packaged article placed on the tray on a conveyor.
[0002]
[Prior art]
For packaging of lump-like items to be packaged, for example, “raw udon noodles”, a filling funnel is provided for each pair of grips arranged in the radial direction of the rotating body, and packaging is performed by intermittently moving them together in each step. Using a rotary-type packaging machine configured as described above, the soft raw udon noodles placed on the cardboard in a state where the cardboard is bent into a bowl shape by the operator are dropped freely one after another into the filling funnel. And the bag mouth of the packaging bag is sealed in a later step, and the packaging bag as the product is discharged out of the machine .
[0003]
[Problems to be solved by the invention]
The filling of raw udon noodles in the conventional packaging method is carried out by allowing the operator to freely drop into the filling funnel from an appropriate height. There were inconveniences such as the appearance shape of the rice cake being broken and the raw udon noodles being damaged.
[0004]
An object of the present invention is to provide a packaging method using a tray that can perform a good-looking packaging by suppressing deformation and collapse of a massive packaged object as much as possible.
[0005]
[Means for Solving the Problems]
In order to achieve the above object, the invention described in claim 1 is capable of converting a large number of grip pairs into an upright posture and a horizontal posture in a moving body that horizontally moves in an annular passage composed of a straight portion and semicircular portions at both ends thereof. The packaging bag supplied in the bag supply process is supported by each grip pair, and the packaging bag is intermittently stopped in each process such as the opening process, filling process, bag mouth sealing process, etc. A packaging method using a linear movement type packaging machine
A group of packages to be packaged placed on a tray are placed on a conveyor of a transfer device in a row at appropriate intervals, and in the filling process, a pushing piece of filling means pushes the rear end of the tray. Thus, the article to be packaged fed by the conveyor is inserted together with the tray into the packaging bag that is held horizontally and opened in the previous process, and in the subsequent process of the filling process, The packaging bag filled with the tray is converted from a horizontal posture to a vertical posture, and in the tray extraction process, the tray is gripped by a chuck provided to be movable up and down, and then extracted upward from the packaging bag. The tray is dropped on the chute by the opening operation of the chuck and discharged to the outside of the machine, and the bag mouth of the packaging bag filled with the package is sealed in the bag mouth sealing process, and the product discharging process Product Characterized in that were to be released to the outside of the apparatus Sobukuro.
[0006]
In order to achieve the same object, the invention described in claim 2 is a packaging method using the tray according to claim 1, wherein a pair of guide members arranged in a bowl shape in a step before the tray extraction step. And a sachet feeding device provided such that the leading end of the guide member is freely inserted into and withdrawn from the bag mouth of the packaging bag, and the closed leading end of the guide member is disposed on the back side of the packaging bag. Or it is made to insert between the inner surface of the front side, and the said to-be-packaged object, and then a small bag is automatically injected | thrown-in by the opening operation | movement of the said guide member.
[000 7 ]
In order to achieve the same object, the invention described in claim 3 is the packaging method using the tray according to claim 1 or 2, wherein the tray is arranged on one end side in the short side direction of the rectangular flat portion. A part of the flat part is cut and raised to form a protruding piece, and the side edge part in the long side direction of the flat part is bent and formed to have a constant height.
[00 08 ]
【The invention's effect】
(Invention of Claim 1)
The packaging method using this tray is a packaging bag that is supported horizontally with the bag mouth facing sideways when an operator places a block-like packaged object (for example, raw udon noodles) placed on the tray on a conveyor. In order to suppress deformation and collapse of the package as much as possible by converting the packaging bag filled with the package and the tray from the horizontal position to the vertical position after being inserted into the package by the filling means. Can be packaged with good appearance. In addition, since the tray can be extracted after being filled with a packaged object, subjected to a cleaning process and repeatedly used, the cost of the packaged product can be reduced and the resources can be effectively used.
[00 09 ]
(Invention of Claim 2 )
In this packaging method, small bags of oxygen scavengers and seasonings can be reliably and stably introduced between the back side or front side inner surface of the packaging bag and the article to be packaged.
[00 10 ]
(Invention of Claim 3 )
This wrapping method is using trays of a particular form, at the time of filling during transport by the conveyor and into the packaging bag, the package item placed on the tray can you to prevented from moving backward due to the inertia effect Moreover, since the protrusion to the side can be prevented, the article to be packaged can be smoothly inserted into the packaging bag.
[00 11 ]
DETAILED DESCRIPTION OF THE INVENTION
Embodiments of the method of the present invention will be described below with reference to the drawings. 1 is a plan view of a linear movement type packaging machine to which the method of the present invention is applied, FIG. 2 is an explanatory view showing the positional relationship between the conveyor device and the filling means, FIG. 3 is a schematic plan view of the filling means, and FIG. FIG. 5 is a side view of the sachet feeding device, and FIG. 6 is a side view of the tray removing device.
[00 12 ]
A linear movement type packaging machine P to which the “packing method using a tray” of the present invention is applied is shown in FIG. In the packaging machine P, a large number of grip pairs g are placed on a moving body f that horizontally moves in an annular passage composed of a straight portion and semicircular portions at both ends thereof by a packaging bag support angle varying device (not shown). The packaging bag a supplied in the bag feeding step (a) is supported by each grip pair g, and the packaging bag a is horizontally inverted in the packaging bag (b), printing / opening step (c) ), Packing process (d), Packing process pushing process (e), Packaging bag vertical reversal process (f), Pouch loading process (g), Tray extraction process (h), Packaged product It is configured to intermittently stop in sequence in each of the pushing process (Li), the protrusion detection process (N), the bag mouth sealing process (L), and the product discharge process (W). In addition, in the filling process (d) of the packaging machine P, a conveyor device C for transferring an object to be packaged set by an operator is attached.
[00 13 ]
In the embodiment of the method of the present invention, “raw udon noodles” are targeted as the objects to be packaged.
[00 14 ]
Regarding a linear movement type packaging machine, Japanese Patent Publication No. 6-55609 concerning the applicant of the present application discloses a packaging bag grip device for a packaging machine, and Japanese Patent Publication No. 7-2490 discloses a variable packaging bag support angle device. Is published. Therefore, the grip pair g of the packaging machine P, the packaging bag support angle varying device, and other known configurations conform to the configurations disclosed in those patent publications, and thus will not be described in detail in this specification.
[00 15 ]
As shown in FIGS. 1 and 2, the conveyor device C, which is a transfer device for transferring raw udon noodles, has a sprocket 2 and a sprocket 3 arranged at a predetermined interval in the center of the machine base 1 and protrudes at regular intervals. A known attach conveyor 5 in which the parts 5a are arranged is passed over the sprockets 2 and 3 and the intermediate sprocket 4, and the sprocket 2 is driven and rotated by a motor drive device (not shown) so that the attach conveyor 5 runs horizontally and linearly. Is provided. About the space | interval of these protrusion parts 5a, it is provided according to the length dimension of the postscript tray 10. FIG. In addition, guide pieces 6 and 6 having an L-shaped cross section are provided on both sides of the transport portion of the attach conveyor 5 in accordance with the width dimension of the tray 10 described later.
[00 16 ]
As shown in FIG. 4, the tray 10 forms a protruding piece 12 by cutting and raising a part of the flat portion 11 at an angle of about 50 ° on the one end 11 a side in the short side direction of the rectangular flat portion 11. The side edges 13 and 13 in the long side direction of the flat part 11 are bent inward at an angle of about 70 ° to form a constant height. The tray 10 is of a type that is repeatedly used after being pulled out after filling the packaging bag a with raw udon noodles. Therefore, the tray 10 is provided so that one end 11a of the tray 10 is exposed from the bag mouth b and can be easily removed when the tray 10 is completely inserted into the packaging bag a.
[00 17 ]
The filling means 15 is for inserting raw udon noodles m placed on the tray 10 fed by the conveyor device C into the horizontal packaging bag a together with the tray 10 in the filling step (d). 2 and 3, reference numeral 16 denotes a pair of left and right guide pieces linearly connected to the guide pieces 6 and 6 of the conveyor device C, and 17 denotes the guide pieces 16 so as to support the tray 10 while sliding. , 16 is a narrow receiving plate arranged at the center of the. The filling guide 20 is supported by a support frame 19 provided so as to be movable in the front-rear direction by a driving means (not shown) so as to be rotatable in the horizontal direction, and the tips of a pair of guide pieces 21, 21 arranged in a substantially C shape. 21a and 21a are provided so that they can be expanded and contracted within a small angle range. A receiving plate 18 is attached to the support frame 19 so as to support the tray 10 while sliding.
[00 18 ]
The guide pieces 21 and 21 of the filling guide 20 are disposed so as to face the bag mouth b of the packaging bag a in a horizontal posture, and the tip 21a is provided so as to be able to appear and disappear in the bag mouth b. Further, the guide ends 16 and 16 are provided at the rear end 21b of each guide piece 21 so as to face each other.
[00 19 ]
A horizontal rail 26 that can be moved up and down by a driving means (not shown) is disposed in parallel with the guide piece 16 above the outer side of one guide piece 16. The rail 26 is provided with a traveling member 27 that can be reciprocated by a rod 27a coupled to a driving means (not shown) including a cam and a lever. The traveling member 27 is provided with a feeding piece 28 in which two thin rods are arranged in parallel to the traveling direction, and a front end portion 29 and a rear end portion 30 are provided at a predetermined interval. When the rail 26 is lowered, the traveling member 27 is moved forward, the rail 26 is raised at the forward end position of the traveling member 27, the traveling member 27 is moved backward at the position where the rail 26 is raised, and the traveling member is moved. The insertion mechanism 25 is configured to be controlled so as to perform a series of quadrilateral movements in which the rail 26 is lowered at the 27 retracted positions.
[00 20 ]
Thus, in this insertion mechanism 25, the tray 10 on which the raw raw udon noodles m are placed at the front end 29 of the feed piece 28 and the tray 10 on which the rear raw udon noodles m are placed at the rear end 30 are fixed. The strokes are simultaneously pushed and can be inserted into the packaging bag a sequentially from the front tray 10.
[00 21 ]
In the sachet throwing step (g), a sachet throwing device 35 shown in FIG. 5 is installed. The sachet throwing device 35 fixes one hook-shaped guide member 37 of a pair of guide members 37, 38 in a vertical direction to a horizontal bar 36 that can be moved up and down by a driving means (not shown) and the other side downward. A base portion 38b of the guide member 38 is rotatably supported by a shaft 39, and the guide members 37 and 38 are provided so as to face each other in a bowl shape. Reference numeral 40 denotes a pneumatic cylinder in which the head side 41 is attached to the horizontal rod 36 and the rod side 42 is attached to a substantially intermediate position of the guide member 38. Provided. The upper end of one guide member 37 is connected to the lower end of a chute 45 extending from a sachet supply mechanism (not shown) for supplying sachets (not shown) such as oxygen scavengers and seasonings one by one. ing.
[00 22 ]
Thus, the small bag feeding device 35 is formed by the inner side of the back side (or front side) of the packaging bag a that stops the leading end portions 37a, 38a of the guide members 37, 38 in the small bag loading step (g) by the lowering of the horizontal hook 36. By inserting between the udon noodles and then automatically opening the sachet released from the sachet supply mechanism by the opening operation of the tip end portions 37a, 38a, and then raising the recumbent ridge 36 after that, the tip end portion 37a , 38a is made to escape from the bag mouth.
[00 23 ]
In the tray extraction step (h), a tray extraction device 50 shown in FIG. 6 is installed. In this tray extraction device 50, a slide 53 is provided on a pair of guide rails 52, 52 provided in parallel in the apparatus main body 51 so as to be movable up and down by a drive mechanism (not shown), and a horizontal surface extending horizontally from the slide 53. A chuck 56 that can be opened and closed by the operation of the actuator 55 is provided at the front end of 54.
[00 24 ]
A support frame 57 is attached to the apparatus main body 51 so as to extend to the outside slightly below the rising end of the chuck 56. A first chute 59 is provided at the tip of the support frame 57 so as to be swingable in a direction orthogonal to the traveling direction of the grip pair g by pivotally supporting the upper side piece 59a. The other end 60b of the rod 60 having one end 60a connected to the first chute 59 is connected to a lever 61 in the apparatus main body 51, and the operation of the lever 61 allows the first chute 59 to be freely converted into a vertical posture and a tilted posture. Is provided. Reference numeral 62 denotes a second chute fixed to the apparatus main body 51. The second chute 62 is arranged so as to be connected to the first chute 59 in the tilted posture.
[00 25 ]
Thus, the tray extracting device 50 grips the tray 10 inserted in the packaging bag a that is stopped in the tray extracting step (H) with the chuck 56 by the lowering of the horizontal bar 54, and packs the tray 10 by the upward movement of the horizontal bar 54. After being removed from the bag a, the tray 10 is dropped onto the first chute 59 by the opening operation of the chuck 56 and discharged to a receiving box or the like outside the machine via the second chute 62.
[00 26 ]
Next, the “packaging method using a tray” of the present invention will be described in detail based on the configurations of the packaging machine P and the conveyor device C described above.
(1) raw udon noodles m was placed on the tray 10, placing one set between the projection 5a on the attaching conveyor 5 of the conveyor device C.
(2) On the other hand, in the bag supply process of the packaging machine P (i), Ru is supported by being packaging bag a is supplied to the grip-to-g in the horizontal posture like hanging the packaging bag a.
(3) In the horizontal reversal step (b) of the packaging bag, the packaging bag a is brought into the horizontal posture with the back side up by converting the grip pair g from the horizontal posture to the upright posture by the packaging bag support angle varying device. .
(4) In the printing / opening step (c), the expiration date and the like are printed, and the bag mouth b of the packaging bag a is opened by the vacuum suction operation of a suction cup (not shown).
(5) In the filling step (d) of the packaged object, the tray 10 on which the feed piece 28 of the insertion mechanism 25 has placed the raw raw udon noodles m at the front end portion 29 and the rear raw udon at the rear end portion 30 The tray 10 on which the noodles m are placed is simultaneously fed and inserted into the packaging bag a that is held horizontally and opened in order from the front tray 10.
(6) In the step (e) of pushing the article to be packaged, by pressing the rear end portion of the raw udon noodles by an unillustrated pushing means, the raw udon noodles are arranged so as to fit in the packaging bag a .
(7) In the vertical reversal step (f) of the packaging bag, the packaging bag a filled with raw udon noodles and the tray 10 is converted from a horizontal posture to a vertical posture by the packaging bag support angle varying device.
(8) In the pouch loading step (g), the leading end portions 37a and 38a of the guide members 37 and 38 are moved between the inner surface of the back side of the packaging bag a and the raw udon noodles by the lowering of the horizontal bag 36 of the pouch filling device 35. Then, the sachet discharged from the sachet supply mechanism by the opening operation of the tip portions 37a, 38a is inserted.
(9) In the tray extraction step (H), the tray 10 inserted into the packaging bag a is clamped at its one end 11a by the chuck 56 by the lowering of the horizontal lever 54 of the tray extraction device 50, and then the horizontal plane 54 withdrawn upward from the packaging bag a by the upward movement of the opening operation of the chuck 56 and dropped onto the first chute 59, is discharged outside through the second chute 62.
(10) In the step of pushing in the article to be packaged (Li), pressing the raw udon noodles from above by an unillustrated pushing means arranges the raw udon noodles so that they fit well in the packaging bag a.
(11) In the protrusion detection step (nu) of the packaged object, it is detected whether or not a part of the raw udon noodles protrudes from the bag mouth b. Therefore, when the protrusion is detected, the bag mouth b is not sealed in the next step.
(12) In the sealing step (l) of the bag mouth, the air remaining in the packaging bag a is driven out by being pressed before and after the packaging bag a, and then the sealing bar 65 of a known sealing means is used. Thus, the bag mouth b of the packaging bag a is sealed.
(13) In the product discharge step (W), the sealed portion of the bag mouth b is cooled by the cooling bar 70 of a known cooling means, and then the product packaging bag a is discharged to the carry-out conveyor 75 .
[00 27 ]
As described above, according to the packaging method using this tray, it is possible to suppress the deformation and collapse of raw udon noodles (a lump-like packaged object) as much as possible, and a good-looking packaging can be performed. In addition, since the tray can be extracted and used repeatedly after filling with raw udon noodles, the cost of the packaged product can be reduced.
[Brief description of the drawings]
FIG. 1 is a plan view of a linear movement type packaging machine to which the method of the present invention is applied. FIG. 2 is an explanatory view showing the positional relationship between a conveyor device and filling means. FIG. 3 is a schematic plan view of filling means. Perspective view of tray [Fig. 5] Side view of sachet feeding device [Fig. 6] Side view of tray pulling device [Explanation of symbols]
P: linear movement type packaging machine g: grip pair a ... packaging bag b ... bag mouth m ... raw udon noodles (packaged items)
C ... Conveyor device (transfer device)
5 ... Attached conveyor (conveyor)
DESCRIPTION OF SYMBOLS 10 ... Tray 11 ... Flat part 11a ... One end 12 ... Projection piece 13, 13 ... Side edge part 15 ... Filling means 25 ... Insertion mechanism 28 ... Pushing piece 29 ... tip part 30 ... rear end part 35 ... pouch feeding device 37, 38 ... guide members 37a, 38a ... tip part 50 ... tray extraction device 56 ... chuck

Claims (3)

A large number of grip pairs can be converted into an upright posture and a horizontal posture on a moving body that horizontally moves in an annular passage composed of a straight portion and semicircular portions at both ends, and the packaging bags supplied in the bag feeding process are provided for each grip pair. In a packaging method using a linear movement type packaging machine that supports the packaging bag by intermittently stopping each step such as opening process, filling process, bag mouth sealing process, etc. There,
Place the massive packaged items placed on the tray on the conveyor of the transfer device one set at a time with appropriate intervals,
In the filling step, the feed piece of the filling means pushes the rear end of the tray, whereby the article to be packaged fed by the conveyor is held horizontally and opened in the previous step in the packaging bag. Insert it with the tray,
After the filling process, the packaging bag filled with the items to be packaged and the tray is changed from a horizontal posture to a vertical posture,
In the tray extraction process, the tray is grasped by a chuck that can be moved up and down and extracted from the packaging bag, and then the tray is dropped onto the chute by opening the chuck. To the outside,
The sealing of the bag mouth of the packaging bag filled with the article to be packaged in the sealing process of the bag mouth,
A packaging method using a tray, wherein a packaging bag as a product is discharged outside the machine in a product discharging process. In the pre-process of the tray extraction step, a pair of guide members arranged in a bowl shape are provided so as to be openable and closable, and the leading ends of the guide members are provided so as to be freely inserted and removed from the bag mouth of the packaging bag. A sachet feeding device, wherein the closed tip of the guide member is inserted between the backside or front side inner surface of the packaging bag and the article to be packaged, and then the sachet is automatically opened by opening the guide member. The packaging method using the tray according to claim 1, wherein the packaging method is performed. The tray is formed by cutting and raising a part of the flat part on one end side in the short side direction of the rectangular flat part and bending the side edge part in the long side direction of the flat part. The packaging method using a tray according to claim 1, wherein the packaging method is formed at a certain height.

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