JP2004155485A - Packaging method using tray - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a packaging method using a tray capable of realizing packaging of excellent appearance while suppressing deformation or collapse of lump-like stuff to be packaged to the utmost. <P>SOLUTION: This packaging method employs a straight moving type packaging machine. Each set of lump-like stuff (fresh udon noodle m) placed in a tray 10 is loaded on a conveyor 5 in one row. The stuff conveyed by the conveyor is inserted into a packaging bag (a) which is horizontally held in an open state together with the tray 10 by a filling means 15 in a filling step. The packaging bag is changed from the horizontal attitude to the vertical attitude in a second step of the filling step. In a tray drawing step, the tray 10 is chucked by a chuck 56 of a tray drawing device 50, and drawn out of the packaging bag (a). Next, the chuck discharges the tray 10 outside the packaging machine by its opening operation, a bag mouth (b) of the packaging bag (a) is sealed by a bag mouth sealing step, and the packaging bag as a product is discharged out of the packaging machine in a product discharging step. <P>COPYRIGHT: (C)2004,JPO

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to packaging using a tray that uses a linear movement type or rotary type packaging machine, and automatically performs packaging by setting a massive packaged object placed on the tray on a conveyor by an operator. About the method.
[0002]
[Prior art]
For the packaging of a mass to be packed, for example, "raw udon noodles", packing is performed by providing a filling funnel for each grip pair arranged in the radial direction of the rotating body and intermittently moving them together in each step. Using a rotary type packaging machine configured as described above, the operator fills the cardboard by bending the cardboard into a gutter shape and then freely dropping soft raw noodles placed on the cardboard into the filling funnel one after another. Then, the bag opening of the packaging bag is sealed in a post-process, and the packaging bag as a product is discharged out of the machine.
Incidentally, as a packaging machine equipped with a filling funnel for each grip pair, there is one disclosed in Japanese Patent No. 2884061 owned by the present applicant.
[0003]
[Problems to be solved by the invention]
The filling of the raw udon noodles in the conventional packaging method is performed by the operator by freely falling into the filling funnel from an appropriate height, so that the raw udon noodles put into the packaging bag by the force of the fall There were inconveniences such as the collapse of the appearance shape and the damage of raw udon noodles.
[0004]
SUMMARY OF THE INVENTION An object of the present invention is to provide a packaging method using a tray capable of performing a good-looking packaging while minimizing deformation and collapse of a massive packaged object.
[0005]
[Means for Solving the Problems]
In order to achieve the above object, the invention described in claim 1 enables a plurality of grip pairs to be freely converted into an upright posture and a horizontal posture on a moving body that horizontally moves along 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 on each grip pair, and the packaging bag is intermittently stopped in each of the opening process, the filling process, the bag mouth sealing process, and the like, and the packaging of the packaged object is performed. A packaging method using a linear moving type packaging machine that is made to perform,
The block-shaped objects to be packaged placed on the tray are placed in a line at appropriate intervals on the conveyor of the transfer device, and in the filling step, the pushing piece of the filling means pushes the rear end of the tray. By doing so, the package to be sent by the conveyor is inserted together with the tray into the opened packaging bag which is held horizontally in the previous process, and in the subsequent process of the filling process, The packaging bag filled with the tray is converted from the horizontal position to the vertical position, and in the tray withdrawing step, the tray is removed from the packaging bag by grasping the tray with the chuck provided to be able to move up and down in the tray withdrawing device. The tray is ejected outside the machine by opening the chuck, the bag mouth of the packaging bag filled with the article to be packaged is sealed in the bag mouth sealing process, and the product packaging bag is machined in the product ejection process. Let out And it said that there was Unishi.
[0006]
In order to achieve the same object, the invention according to claim 2 is to move a rotating body provided with a large number of grip pairs in a radial direction by intermittently stopping and moving the rotating body for each of a plurality of steps, and the grip opening sideways by each grip pair. A packaging method using a rotary-type packaging machine configured to fill an object to be packaged in a horizontally supported packaging bag and seal the bag mouth,
The block-shaped objects to be packaged placed on the tray are placed in a line at appropriate intervals on the conveyor of the transfer device, and in the filling step, the pushing piece of the filling means pushes the rear end of the tray. In this way, the articles to be packed fed by the conveyor are inserted together with the tray into the opened and opened packaging bag, and the tray is removed in the tray removing step. The tray is grasped by a freely provided chuck, the tray is extracted from the packaging bag, and then the tray is discharged out of the machine by the opening operation of the chuck. The bag opening of the bag is sealed, and the packaging bag as a product is discharged outside the machine in the product discharging step.
[0007]
According to a third aspect of the present invention, there is provided a packaging method using the tray according to the first or second aspect, wherein the tray inserted in the packaging bag is stored without being removed. It is characterized by having done.
[0008]
According to a fourth aspect of the present invention, there is provided a packaging method using a tray according to any one of the first to third aspects, wherein the tray is arranged in a beak shape in a process preceding the tray extracting process. A pair of guide members are provided so as to be openable and closable, and a small bag insertion device is provided in which the leading end of the guide member is freely inserted and removed from the bag mouth of the packaging bag, and the closed leading end of the guide member is provided. Is inserted between the back or front inner surface of the packaging bag and the object to be packaged, and then the small bag is automatically inserted by opening the guide member.
[0009]
According to a fifth aspect of the present invention, there is provided a packaging method using the tray according to any one of the first to fourth aspects, wherein the tray has one end in the short side direction of a rectangular flat portion. Forming a protruding piece by cutting and raising a part of the flat part on the side, and forming the protruding piece at a constant height by bending and raising the side edges in the long side direction of the flat part, respectively. It is.
[0010]
【The invention's effect】
(Invention of claim 1)
In a packaging method using this tray, when a worker places a lump-shaped packaged object (for example, raw udon noodles) placed on a tray on a conveyor, the packaging bag is supported horizontally with the bag opening sideways. By the filling means, and then convert the packaging bag filled with the packaged object and the tray from a horizontal position to a vertical position, thereby suppressing deformation and collapse of the packaged item as much as possible. And good-looking packaging can be performed. In addition, the tray can be extracted after filling the packaged object, subjected to a cleaning treatment, and used repeatedly, so that the cost of the packaged product can be reduced and resources can be effectively used.
[0011]
(Invention of claim 2)
In a packaging method using this tray, when an operator places a massive packaged object placed on the tray on a conveyor, the worker places the lump together with the tray into a horizontally supported packaging bag with the bag opening sideways. As a result, deformation and collapse of the packaged object can be suppressed as much as possible, and packaging with good appearance can be performed. In addition, the tray can be removed from the packaging bag after filling the packaged object, subjected to a cleaning process, and used repeatedly, so that the cost of the packaged product can be reduced and resources can be effectively used.
[0012]
(Invention of claim 3)
In this packaging method, since the packaged product is packaged in a state of being placed on a tray, the packaged product is less likely to be deformed or collapsed in the distribution process, and the appearance of the product when displayed at a store is improved.
[0013]
(Invention of Claim 4)
According to this packaging method, a small bag such as an oxygen scavenger or a seasoning can be reliably and stably charged between the inner surface on the back side or the front side of the packaging bag and the article to be packaged.
[0014]
(Invention of claim 5)
This packaging method uses a tray of a specific form, and at the time of transfer by a conveyor and filling of a packaging bag, it is possible to prevent the articles placed on the tray from moving rearward due to inertial action, and Since the protrusion to the side can be prevented, the article to be packaged can be smoothly inserted into the packaging bag.
[0015]
BEST MODE FOR CARRYING OUT THE INVENTION
Hereinafter, embodiments of the method of the present invention will be described with reference to the drawings. FIG. 1 is a plan view of a linear moving type packaging machine to which the method of the present invention is applied, FIG. 2 is an explanatory view showing a positional relationship between a conveyor device and a filling means, FIG. 3 is a schematic plan view of the filling means, and FIG. FIG. 5 is a side view of the small bag charging device, and FIG. 6 is a side view of the tray removing device.
[0016]
FIG. 1 shows a packaging machine P of a linear movement system to which the “packaging method using a tray” of the present invention is applied. In the packaging machine P, a plurality of grip pairs g are vertically and horizontally moved by a packaging bag supporting angle varying device (not shown) on a moving body f which moves horizontally in an annular passage composed of a linear portion and semicircular portions at both ends thereof. The packaging bag a supplied in the bag supplying step (a) is supported on each pair of grips g, and the packaging bag a is horizontally inverted (b), printed and opened (c). ), Packing object filling step (d), packing object pushing step (e), packaging bag vertical reversing step (f), small bag charging step (g), tray withdrawal step (h), packing object , An intermittent stop is sequentially performed in each step of a pushing step (i), a protruding detection step (nu), a bag mouth sealing step (l), and a product discharging step (ヲ). Further, in the filling step (d) of the packaging machine P, a conveyor device C for transferring a packaged object set by an operator is additionally provided.
[0017]
In the embodiments of the method of the present invention, “raw udon noodles” are used as the articles to be packaged.
[0018]
Regarding the packaging machine of the linear moving system, Japanese Patent Publication No. 6-55609 of the present applicant discloses a “packaging bag gripping device of a packaging machine”, and Japanese Patent Publication No. 7-2490 discloses a “packing bag supporting angle variable device of a packaging machine”. Is published. Since the grip pair g of the packaging machine P, the packaging bag supporting angle variable device, and other known configurations conform to the configurations disclosed in those patent publications, they will not be described in detail in this specification.
[0019]
As shown in FIGS. 1 and 2, a 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 a machine base 1 and protrudes at regular intervals. A known attachment conveyor 5 in which the parts 5a are arranged is stretched over the sprockets 2 and 3 and the intermediate sprocket 4, and the sprocket 2 is driven and rotated by a motor driving device (not shown) so that the attachment conveyor 5 travels in a straight line horizontally. It is provided in. The interval between the protrusions 5a is provided in accordance with the length of the tray 10 described later. Guide pieces 6 and 6 having an L-shaped cross section are provided on both sides of the transport section of the attached conveyor 5 in accordance with the width of the tray 10 to be described later.
[0020]
As shown in FIG. 4, the tray 10 cuts and raises a part of the rectangular flat portion 11 at an angle of about 50 ° on one end 11a side in the short side direction of the rectangular flat portion 11 to form a protruding piece 12, and The side edges 13, 13 in the long side direction of the flat portion 11 are bent inward at an angle of about 70 ° to form a constant height. The tray 10 is of a type that is used repeatedly after filling the packaging bag a with the raw udon noodles. Therefore, when the tray 10 is completely inserted into the packaging bag a, the tray 11 is provided so that one end 11a is exposed from the bag opening b so that the tray 10 can be easily removed.
[0021]
The filling means 15 inserts the raw udon noodles m placed on the tray 10 fed by the conveyor device C into the packaging bag a in the horizontal posture 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 guide pieces 6 and 6 of the conveyor device C. Reference numeral 17 denotes a guide piece 16 for supporting the tray 10 while sliding it. , 16 are narrow receiving plates disposed in the center of the receiving plate. The filling guide 20 is supported rotatably in the horizontal direction by a supporting frame 19 provided movably in the front-rear direction by a driving means (not shown), and the tip of a pair of guide pieces 21 and 21 arranged in a substantially C shape. 21a, 21a are provided such that they can be expanded and contracted within a small angle range. Reference numeral 18 denotes a receiving plate attached to the support frame 19 so as to support the tray 10 while sliding it.
[0022]
The guide pieces 21 and 21 of the filling guide 20 are disposed so as to face the bag opening b of the packaging bag a in a horizontal posture, and the tip 21a is provided so as to be able to protrude and retract into the bag opening b. In addition, a rear end 21b of each guide piece 21 is provided such that the front ends of the guide pieces 16, 16 face each other.
[0023]
A horizontal rail 26, which can be moved up and down by a driving means (not shown), is disposed above and above one of the guide pieces 16 in parallel with the guide piece 16. The rail 26 is provided with a traveling member 27 which is reciprocally movable by a rod 27a connected to a driving means by a cam and a lever (not shown). The traveling member 27 is provided with a pushing piece 28 in which two thin bars 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. Then, the traveling member 27 is moved forward when the rail 26 descends, the rail 26 is raised at the forward end position of the traveling member 27, and the traveling member 27 is moved backward at the position where the rail 26 is raised. The insertion mechanism 25 is controlled so as to perform a series of quadrilateral movements of lowering the rail 26 at the retracted position 27.
[0024]
In the insertion mechanism 25, the tray 10 on which the raw udon noodles m are placed at the front end 29 of the pushing piece 28 and the tray 10 on which the raw udon noodles m are placed at the rear end 30 are fixed. The strokes are simultaneously pushed and the trays 10 can be sequentially inserted into the packaging bag a from the front tray 10.
[0025]
In the small bag charging step (g), a small bag charging device 35 shown in FIG. 5 is installed. The pouch feeding device 35 vertically fixes one gutter-shaped guide member 37 of a pair of guide members 37 and 38 to a horizontal rod 36 which can be moved up and down by a driving means (not shown), and faces the other downward. The base 38b of the guide member 38 is rotatably supported by a shaft 39, and the guide members 37, 38 are provided so as to face each other in a beak 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 middle position of the guide member 38. The cylinder 40 allows the tip portions 37a, 38a of the guide members 37, 38 to be freely opened and closed. Is provided. A lower end of a chute 45 extending from a small bag supply mechanism (not shown) for supplying small bags (not shown) such as a deoxidizer and a seasoning one by one is connected to the upper end of one guide member 37. ing.
[0026]
Then, the small bag loading device 35 is configured to stop the front end portions 37a, 38a of the guide members 37, 38 in the small bag loading step (g) by the lowering of the horizontal rod 36, and the inner surface of the back side (or the front side) of the packaging bag a is closed. It is inserted between the noodles and the noodles, and then the pouches released from the pouch supply mechanism are automatically loaded by opening the tip portions 37a and 38a. , 38a are configured to escape from the bag mouth.
[0027]
In the tray extracting step (h), a tray extracting device 50 shown in FIG. 6 is installed. In the tray removing device 50, a slide 53 is provided on a pair of guide rails 52, 52 provided in the device main body 51 in parallel in a vertical direction by a drive mechanism (not shown) so as to be able to move up and down, and a horizontal rod extending horizontally from the slide 53. A chuck 56 that can be opened and closed by the operation of an actuator 55 is provided downward at the tip of the actuator 54.
[0028]
A support frame 57 is attached to the apparatus body 51 so as to extend slightly below the rising end of the chuck 56. At the tip of the support frame 57, there is provided a first chute 59 pivotally supported by an upper side piece 59a and capable of swinging in a direction orthogonal to the traveling direction of the grip pair g. The other end 60b of the rod 60, one end 60a of which is 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 tilting 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.
[0029]
The tray extracting device 50 holds the tray 10 inserted in the packaging bag a, which is stopped in the tray extracting step (h), by the chuck 56 by the lowering of the horizontal rod 54, and the packaging is performed by the raising operation of the horizontal rod 54. After being extracted from the bag a, the tray 10 is dropped on the first chute 59 by the opening operation of the chuck 56, and is discharged to a receiving box or the like outside the machine via the second chute 62.
[0030]
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) The raw udon noodles m placed on the tray 10 are placed on the attached conveyor 5 of the conveyor device C one by one between the projections 5a.
(2) On the other hand, in the bag supplying step (a) of the packaging machine P, the packaging bag a is supplied to the pair of grips g in the horizontal position, and the packaging bag a is supported in a suspended manner.
(3) In the packaging bag horizontal reversing step (b), the grip pair g is changed from the horizontal posture to the upright posture by the packaging bag supporting angle variable device, whereby the packaging bag a is brought to the horizontal posture with the back side up. .
(4) In the printing / opening step (c), printing such as the expiration date is performed, and the bag mouth b of the packaging bag a is opened by the vacuum suction operation of the suction cup (not shown).
(5) In the filling step (d) of the article to be packed, the pushing piece 28 of the insertion mechanism 25 moves the tray 10 on which the raw udon noodle m is placed at the front end 29 and the rear raw udon at the rear end 30. The trays 10 on which the noodles m are placed are simultaneously pushed in, and are inserted horizontally into the opened packaging bag a from the front tray 10 in order.
(6) In the step (e) of pushing the packaged object, the raw udon noodles are pressed by a pushing means (not shown) so that the raw noodles are adjusted so as to fit in the packaging bag a.
(7) In the packaging bag vertical inversion step (f), the packaging bag a filled with the raw udon noodles and the tray 10 is converted from the horizontal posture to the vertical posture by the packaging bag support angle variable device.
(8) In the small bag charging step (g), the distal ends 37a, 38a of the guide members 37, 38 are moved between the inner surface on the back side of the packaging bag a and the raw udon noodles by the lowering of the horizontal rod 36 of the small bag charging device 35. Then, the small bag discharged from the small bag supply mechanism by the opening operation of the tip portions 37a and 38a is thrown in.
(9) In the tray removing step (h), the tray 10 inserted in the packaging bag a is clamped at one end 11a by the chuck 56 by the lowering of the horizontal rod 54 of the tray extracting device 50. Is pulled out of the packaging bag a by the ascending operation, and falls on the first chute 59 by the opening operation of the chuck 56, and is discharged out of the machine via the second chute 62.
(10) In the step of pushing the packaged object (i), the raw udon noodles are pressed from above by a pressing means (not shown), so that the raw udon noodles are adjusted so as to fit in the packaging bag a.
(11) In the protruding object protruding detection step (u), it is detected whether or not a part of the raw udon noodle protrudes from the bag mouth b. If 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, after the air remaining in the packaging bag a is pushed out by pressing the front and rear of the packaging bag a, the sealing bar 65 of the known sealing means is used. This seals the bag opening b of the packaging bag a.
(13) In the product discharging step (ヲ), the sealing portion of the bag opening b is cooled by the cooling bar 70 of a known cooling means, and then the packaging bag a as the product is discharged onto the carry-out conveyor 75.
[0031]
In the “packing method using a tray” of the above-described embodiment, the present invention is applied to the linear moving type packaging machine P, but can also be applied to a rotary type packaging machine as in the method of the second aspect. It is.
[0032]
As described above, according to the packaging method using the tray, the deformation and collapse of the raw udon noodles (lumps to be packaged) can be suppressed as much as possible, and good-looking packaging can be performed. In addition, the tray can be extracted and used repeatedly after filling the raw udon noodles, so that the cost of the packaged product can be reduced.
[Brief description of the drawings]
FIG. 1 is a plan view of a linear moving type packaging machine to which the method of the present invention is applied. FIG. 2 is an explanatory view showing a positional relationship between a conveyor device and a filling means. FIG. 3 is a schematic plan view of a filling means. Perspective view of the tray [Fig. 5] Side view of the small bag charging device [Fig.
P: Packaging machine of linear movement type g: Grip pair a: Packaging bag b: Bag mouth m: Raw udon noodles (packaged material)
C: Conveyor device (transfer device)
5 Attach conveyor (conveyor)
DESCRIPTION OF SYMBOLS 10 ... Tray 11 ... Flat part 11a ... One end 12 ... Protrusion piece 13, 13 ... Side edge part 15 ... Filling means 20 ... Filling guide 25 ... Insertion mechanism 28 ···························································································································· ..Chuck 59 ... First chute 62 ... Second chute

Claims (5)

A large number of grip pairs are provided in a movable body that moves horizontally in an annular passage composed of a straight portion and semicircular portions at both ends thereof so as to be freely convertible into an upright posture and a horizontal posture, and a packaging bag supplied in a bag supply process is applied to each grip pair. A packaging method using a linear moving type packaging machine that supports and intermittently stops the packaging bag at each step such as an opening process, a filling process, a bag mouth sealing process, and the like, and packs the packaged object. So,
The bulk objects to be packaged placed on the tray are placed in a line at appropriate intervals on the conveyor of the transfer device, one set at a time,
In the filling step, the pushing piece of the filling means pushes the rear end of the tray, so that the articles to be packed fed by the conveyor are held horizontally in the previous step and opened into the opened packaging bag. Insert with the tray,
In the post-process of the filling process, the packaging bag in which the items to be packaged and the tray are filled is changed from a horizontal posture to a vertical posture,
In the tray withdrawing process, the tray is removed from the packaging bag by grasping the tray with a chuck provided to be able to move up and down the tray removing device, and then the tray is discharged outside the machine by opening the chuck.
In the bag mouth sealing process, the bag mouth of the packaging bag filled with the article to be packaged is sealed,
A packaging method using a tray, wherein a packaging bag as a product is discharged outside the machine in a product discharging step. A rotating body provided with a large number of grip pairs in the radial direction is intermittently stopped and moved for each of a plurality of steps, and the packaging object is filled in a horizontally supported packaging bag with the bag opening sideways by each grip pair. A packaging method using a rotary packaging machine configured to seal a bag mouth,
The bulk objects to be packaged placed on the tray are placed in a line at appropriate intervals on the conveyor of the transfer device, one set at a time,
In the filling step, the pushing piece of the filling means pushes the rear end of the tray, so that the articles to be packed fed by the conveyor are placed horizontally in the opened packaging bag with the tray. Insert them together,
In the tray extracting step, the tray is extracted from the packaging bag by grasping the tray with a chuck provided to be able to advance and retreat in the horizontal direction of the tray extracting device, and then the tray is discharged outside the machine by opening the chuck,
In the bag mouth sealing process, the bag mouth of the packaging bag filled with the article to be packaged is sealed,
A packaging method using a tray, wherein a packaging bag as a product is discharged outside the machine in a product discharging step. The packaging method using a tray according to claim 1, wherein the tray inserted into the packaging bag is stored without being removed. In a process prior to the tray extracting process, a pair of guide members arranged in a beak shape are provided so as to be openable and closable, and the leading end of the guide member is provided so as to be freely inserted into and removed from the bag mouth of the packaging bag. A pouch loading device is provided, and the closed tip of the guide member is inserted between the back or front inner surface of the packaging bag and the article to be packaged, and then the pouch is automatically opened by the opening operation of the guide member. A packaging method using the tray according to any one of claims 1 to 3, wherein the packaging is performed. The tray cuts and raises a part of the flat portion on one end side of the rectangular flat portion in the short side direction to form a protruding piece, and also bends and raises the side edge in the long side direction of the flat portion, respectively. The packaging method using a tray according to claim 1, wherein the tray is formed at a fixed height.

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