JP2004131103A - Apparatus for feeding extracting bag in packaging machine - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an apparatus for feeding for automatically delivering an extracting bag one by one into a packaging machine side. <P>SOLUTION: A pair of guide bars 45 and 45 arranged in parallel on a frame 18 are freely rotatably supported, and these guide bars are provided so as to intermittently freely rotate mutually in the opposite direction. In addition, these guide bars are inclined downward toward the front end part, and a number of extracting bags (a) constituted in such a way that a filter bag 6 filling a material to be extracted for beverage is projected downward at the center of a supporting frame 1, are provided so as to place them on the guide bar and to be stored in a longitudinal posture. A feeding part 15 which moves the extracting bags to bring them into contact with a stopper 50 of the forwarding end by intermittently rotating the guide bar, and a delivery part 60 which sucks and pulls out the leading extracting bag waiting at the forwarding end of the feeding part and feeds the pulled-out extracting bag (a) under a vertical posture to a pair of pinching pieces 80 provided at a feeding position to the packaging machine, are provided. <P>COPYRIGHT: (C)2004,JPO

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention provides an extraction bag, which is configured such that a filter paper bag for filling a beverage extractable material such as coffee powder and tea leaves such as black tea and green tea protrudes below the center of the support frame, one by one on the packaging machine side. The present invention relates to a feeding device that automatically feeds in.
[0002]
[Prior art]
An example of a coffee powder extraction bag is shown in FIG. The extraction bag "a" has a front portion and a rear portion facing each other, the upper end edge 1a of the central portion 2 is cut off by cutouts 3 and 3, and the inside of a horizontally long cardboard support frame 1 whose lower portion is opened. A filter paper bag 6 for holding a predetermined amount of coffee powder is attached to the bag, and after filling with the coffee powder, the bag mouth 7 and the upper part of the central portion 2 are sealed. When drinking, the filter paper bag 6 is opened by opening the center part 2 of the support frame 1 by opening from the perforation 2a, setting the support frame 1 on the cup, and adding hot water to the coffee powder inside. The extraction is carried out by pouring the water. The packing method and packing machine for filling the extraction bag with the material to be extracted for beverages are considered to be implemented by each sales company using its own method and apparatus, but at present it is not publicized. It is unknown because it did not. For this reason, the specific structure of the feeding device that automatically feeds the extraction bags one by one to the packaging machine side is unknown.
[0003]
[Problems to be solved by the invention]
Although the structure of the conventional packaging machine for the extraction bag is unknown for the above-mentioned reason, it is considered that at least a part of the packaging operation has been automated. In view of this situation, the present applicant has developed an extraction bag supply device in connection with the development of a packaging machine that fills and packs an extraction bag for a material to be extracted for a beverage.
[0004]
An object of the present invention is to provide a supply device for automatically feeding extraction bags one by one to a packaging machine.
[0005]
[Means for Solving the Problems]
In order to achieve the above object, the invention according to claim 1 supports a pair of guide bars arranged in parallel on a frame in a freely rotatable manner, and the guide bars are driven by a drive motor installed in the frame. Are provided so as to be intermittently rotatable in opposite directions, and their guide bars are inclined downward toward the front end so that the filter paper bag filled with the beverage extractable material projects below the center of the horizontally long support frame. A large number of extraction bags configured as described above are provided so that the lower surface of the support frame is placed on the guide bar and can be accommodated in a vertical position, and the guide bar is intermittently rotated by the drive motor. A supply unit configured to move the extraction bag until it contacts the stopper at the forward end,
A delivery unit that sucks and extracts the leading extraction bag waiting at the forward end of the supply unit and supplies the extracted extraction bag in a vertical posture to a pair of clamping pieces provided at a supply position to the packaging machine. Is provided.
[0006]
According to a second aspect of the present invention, there is provided an extraction bag supply device for a packaging machine according to the first aspect, wherein a rear end of the frame is supported by a horizontal axis. The front end of the frame is provided as a fulcrum by a height adjusting mechanism so as to be movable up and down, so that the height at the forward end of the extraction bag can be adjusted.
[0007]
According to a third aspect of the present invention, there is provided an extraction bag supply device for a packaging machine according to the first or second aspect, further comprising: a pusher movable on the inclined guide bar by its own weight. It is characterized in that it is provided so that the front surface of the pusher is pressed against the back surface of the last extraction bag among the many extraction bags accommodated in the vertical posture.
[0008]
Function and effect of the present invention
(Invention of claim 1)
(1) A large number of extraction bags, which are placed in a vertical position with the lower surface of the support frame mounted on the guide bar of the supply unit, are intermittently rotated by the drive motor device, the inclination of the guide bar, and the extraction. Due to the synergistic effect with the weight of the bag, the bag is gradually transferred to a position where it abuts the front stopper while sliding on the guide bar.
(2) The extraction bag in contact with the stopper and in a stopped state is sucked from the leading one by a suction cup or the like of the transfer part and is extracted. The extracted extraction bag is once delivered in a vertical posture to a pair of clamping pieces provided at a supply position to the packaging machine, and then sent to a grip pair of the packaging machine by the pair of clamping pieces.
(3) By repeatedly performing the operations described in (1) and (2), the extraction bag is sequentially supplied to the grip pair.
[0009]
(Invention of claim 2)
The height when the extraction bag is fed into the grip pair of the packaging machine, in other words, the height when the extraction bag is sucked at the transfer unit, is based on the upper edge of the support frame. Therefore, the height of the extraction bag is adjusted by appropriately moving the front end of the frame vertically by the height adjustment mechanism. The height adjustment is performed not only for the extraction bags having the same size but also for the extraction bags having different sizes.
[0010]
Incidentally, as for the extraction bag, there are a large-sized extraction bag filled with the beverage extractable material for a plurality of persons, and a small-sized extraction bag filled with the beverage extractable material for one person. The configuration is the same except that the support frame and the filter paper bag are small.
[0011]
(Invention of claim 3)
Set so that the front surface of the pusher is pressed against the back surface of the last extraction bag among the many extraction bags stored in the vertical position. Thereby, it is possible to prevent the extraction bag from falling backward.
[0012]
The supply device of the extraction bag in this packaging machine can automatically and stably send the extraction bags filled with the material to be extracted to the packaging machine one by one. Therefore, it greatly contributes to the packaging operation using the extraction bag.
[0013]
BEST MODE FOR CARRYING OUT THE INVENTION
Hereinafter, embodiments of the present invention will be described with reference to the drawings. 1 is a side view of a supply unit, FIG. 2 is a plan view thereof, FIG. 3 is a front view of a main part thereof, FIG. 4 is a perspective view of a push wheel, and FIG. 5 is a state in which the push wheel is placed on a guide bar. FIG. 6 is an explanatory view of (1) a large-sized extraction bag a and (2) a small-sized extraction bag b, and FIG. 7 is a diagram showing a positional relationship between a suction mechanism of a transfer unit and a pair of holding pieces and a pair of grips. FIG. 8 is a rear view of the suction mechanism, and FIG. 9 is an explanatory view showing the outline of a packaging method for filling the extraction bag with the beverage extractable material in the order of steps.
[0014]
FIG. 9 shows an outline of a series of packaging steps by a rotary packaging machine P to which the “supply device for extracting bags in a packaging machine” of the present invention is applied. The packaging machine P uses a large number of, in this case, 10 pairs of grips g provided radially on the rotating body, in a bag supplying step (a), and a step of detecting the quality of a single-gripping / gripping height of an extraction bag. (B), printing process of expiration date (c), opening process of extraction bag (d), filling process (e), cleaning process of bag mouth (f), folding process (g), sealing process of bag mouth ( H), the empty bag discharging step (i) and the product discharging step (nu) are intermittently stopped and moved to each of the ten steps, and in the bag supplying step (a), the extraction bag supply device S of the present invention is used. The extraction bags a which are sequentially supplied one by one are supported in a suspended manner by each pair of grips g.
[0015]
As shown in (1) and (2) of FIG. 6, the extraction bag for filling the beverage extractable material has a filter paper bag 6 integrally attached to a support frame 1 made of cardboard or the like.
Specifically, the extraction bag a has at least an upper edge 1a of the central portion 2 cut off with the front surface portion and the rear surface portion facing each other, and a pair of notches inward from the upper edge 1a of the central portion 2. The supporting frames 1 are formed at predetermined intervals and are open at the bottom. The supporting frames 1 have a front surface portion 6a and a rear surface portion 6b of the filter paper bag 6 on the inner surface of the center portion 2 of the supporting frame 1. By sticking the upper part and separating the front part and the rear part corresponding to the center part 2 of the support frame 1, the bag mouth 7 of the filter paper bag 6 is configured to be opened. As the filter paper bag 6, a gusset-type bag having folds 8, 8 formed on both left and right sides is used.
[0016]
The extraction bag a is a large-sized extraction bag filled with coffee powder for a plurality of persons, in this case, three persons. FIG. 6 (2) shows a small extraction bag b filled with coffee powder for one person. Its configuration is the same as that of the large extraction bag a except that the support frame and the filter paper bag are small. The configuration is based on the configuration.
[0017]
As shown in FIG. 1, the supply unit 15 of the extraction bag supply device S is provided with a horizontal axis 17 at an upper end 16 a of a gantry 16 partly fixed to the machine base 11 of the packaging machine, and the horizontal axis 17 is attached to the horizontal axis 17. Rear ends 18b of a pair of long frames 18 arranged in parallel are rotatably provided. The front end 18 a of the frame 18 is fixed on the movable piece 21 of the height adjustment mechanism 20.
[0018]
The protruding piece 22 extending below the movable piece 21 is connected via a link 27 to one side 26 a of an L-shaped lever 26 provided swingably by a bearing member 25 fixed on the machine base 11. . The other end 26b of the lever 26 is connected via a connecting member 29 to a distal end 30a of an adjustment shaft 30 rotatably supported by a bearing member 28 fixed on the machine base 11. Reference numeral 31 denotes a handle attached to the adjustment shaft 30.
Thus, by operating the handle 31, the height adjusting mechanism 20 is configured such that the front end 18a of the frame 18 can be moved up and down with the horizontal axis 17 as a fulcrum.
[0019]
A base 35 is attached to the upper surface of the rear end 18b of the frame 18. As shown in FIG. 2, an intermediate shaft 36 having bevel gears 37 and 37 and a pulley 38 mounted on the base 35 at predetermined intervals is mounted on a bearing member 39 in a direction orthogonal to the longitudinal direction of the frame 18. 39 is provided so as to be freely rotatable. A timing belt 42 is stretched between the pulley 38 and a driving pulley 41 of a driving motor 40 installed on the lower surface of the base 35.
[0020]
Reference numerals 45, 45 denote a pair of guide bars rotatably supported by bearing members 46a, 46b mounted on the frame 18. The guide bars 45, 45 are arranged in parallel and are provided so as to have an inclination of about 7 ° with the front ends 45a, 45a facing down. As shown in FIG. 3, these guide bars 45, 45 are provided so as to support the extraction bag a by mounting the lower surface 4 of the support frame 1 of the extraction bag a supplied in a vertical posture. I have.
[0021]
A bevel gear 47 is attached to the rear end 45b of each guide bar 45, and the bevel gears 37 are provided so as to mesh with the bevel gears 47, respectively. Then, a large number of extraction bags a mounted on the guide bars 45, 45 rotate the guide bars 45, 45 due to the intermittent drive of the drive motor 40, the inclination gradient provided on the guide bars 45, 45, and the extraction bags. It is provided so as to move while sliding forward due to the synergistic effect of its own weight.
[0022]
49, 49 are a pair of left and right guide plates fixed to brackets 48, 48 mounted on the frame 18. These guide plates 49, 49 are arranged so that their inner surfaces are almost in contact with each other in accordance with the horizontal dimension of the support frame 1 of the extraction bag a (or the extraction bag b).
[0023]
Reference numeral 55 denotes a push wheel as a pusher that can move on the inclined guide bars 45 by its own weight. As shown in FIG. 4, the push wheel 55 is provided with wheels 57 having V-shaped grooves 57a formed in the front and rear and left and right sides of a chassis 56 functioning as a weight so as to rotate freely. Reference numeral 58 denotes a push plate piece fixed to the front of the chassis 56.
[0024]
As shown in FIG. 5, the push wheel 55 is provided with a guide bar 45 and a guide bar 45 so that the front surface of the push plate piece 58 is pressed against the rear surface of the last extraction bag a among a large number of extraction bags stored in a vertical position. 45.
[0025]
The height when the extraction bag a is delivered to the delivery unit 60 described later (that is, the height when the extraction bag a is supplied to the grip pair g) is based on the upper edge 1a of the support frame 1. For this reason, not only for the fine adjustment of the height of the extraction bag a but also for the extraction bag b, the height adjusting mechanism 20 moves the front end 18a of the frame 18 upward to adjust the supply height. Shall be applied.
[0026]
Thus, in the supply unit 15, a large number of extraction bags a (or extraction bags b) supplied in a vertical posture such that the lower surface 4 of the support frame 1 is placed on the guide bars 45, 45 are supplied to the guide bars 45, 45. It is configured to move forward while sliding upwards until it comes into contact with stoppers 50, 50 provided at the forward end.
[0027]
As shown in FIG. 7, the transfer section 60 includes a suction mechanism 61 and a pair of clamping pieces 80 disposed above the suction mechanism 61 and movable in the front-rear direction. The suction mechanism 61 attaches a base 63 to a side surface of a frame 62 erected on the machine base 11 of the packaging machine, and slides the base 63 on a rail 64 provided at a slight inclination toward the front end. 65 is provided slidably. The slide body 65 is connected via a rod 67 to a feed lever 66 provided movably in the front-rear direction by a drive mechanism (not shown).
[0028]
A roller 69 is provided on the slide body 65 so as to be swingable in a vertical direction by a horizontal axis 68, and a roller 69 rotatably supported at a position slightly away from the horizontal axis 68 is supported by a support fixed to the base 63. A movable plate 71 provided to be mounted on the rod 70 is attached. As shown in FIG. 8, a pair of suction pipes 75 each having a suction cup 76 mounted at a tip thereof are attached to a horizontal rod 72 protruding from a movable plate 71 in a horizontal direction and at a predetermined interval in a vertical direction. A flexible hose connected to a suction port of a vacuum suction device (not shown) is attached to the suction pipe 75.
[0029]
Thus, the transfer unit 60 sucks and removes the leading extraction bag a by the suction cup 76 of the suction mechanism 61, and sandwiches the extraction bag a in the vertical posture by moving the movable plate 71 slightly upward during the retreat. The paired pieces 80 are once transferred to the paired pieces 80, and then sent to the paired grips g of the packaging machine P by the forward movement of the paired pieces 80.
[0030]
Next, the operation of the extraction bag supply device S in the packaging machine having the above configuration will be described.
(1) First, a large number of extraction bags a are placed on the guide bars 45 of the supply unit 15 in a vertical position by placing the lower surface 4 of the support frame 1 in a vertical position, and pressed against the back of the last extraction bag a. The car 55 is set so as to press against the front.
(2) These extraction bags a are driven by the drive motor 40 to intermittently rotate the guide bars 45, 45, the inclination of the guide bars 45, 45, and the synergistic effect of the weight of the extraction bag a. , 45 until it comes into contact with the front stopper 50 while sliding.
(3) The leading extraction bag a which is in a stopped state in contact with the stopper 50 is sucked and extracted by the suction cup 76 of the suction mechanism 61, and the movable plate 71 moves slightly upward when the slide body 65 retreats. Once in the vertical position, it is once delivered to the sandwiching piece pair 80.
(4) Next, the sandwiching piece pair 80 rises to a predetermined height and then moves forward, and the extraction bag a released at its forward end is held by the grip pair g of the packaging machine P. After sending the extraction bag a to the grip pair g, the sandwiching piece pair 80 returns to the original standby position to receive the next extraction bag a.
(5) By repeating the operations described in (1) to (4), the extraction bag a is sequentially supplied to the grip pair g.
[0031]
As described above, the supply device for the extraction bag in this packaging machine sets the extraction bag filled with the material to be extracted for beverage in the vertical position in the supply unit, and the suction mechanism of the transfer unit one by one from the top extraction bag. Therefore, there is an advantage that the liquid can be stably and automatically sent to the grip pair on the packaging machine side by suction.
[Brief description of the drawings]
FIG. 1 is a side view of a supply unit. FIG. 2 is a plan view of the supply unit. FIG. 3 is a front view of a main part of the supply unit. FIG. 4 is a perspective view of a push wheel. FIG. FIG. 6 is an explanatory view showing (1) a large-sized extraction bag a and (2) a small-sized extraction bag b. FIG. 7 is a diagram showing a positional relationship between a suction mechanism of a transfer unit and a pair of holding pieces and a pair of grips. FIG. 8 is a rear view of an adsorption mechanism. FIG. 9 is an explanatory diagram showing an outline of a packaging method for filling a material to be extracted for a beverage into an extraction bag in the order of steps.
S: Extraction bag supply device 15: Supply unit 17: Horizontal axis 18: Frame 18a: Front end 18b: Rear end 20: Height adjustment mechanism 40 Drive motors 45, 45 Guide bar 45a Front end 55 Pusher (rear pusher)
Numeral 60: delivery unit 61: suction mechanism 64: rail 65: slide body 71: movable plate 76: sucker 80: clamping piece pair a: large extraction bag b ... Small extraction bag 1 ... Support frame 1a ... Top edge 4 ... Bottom surface 6 ... Filter paper bag P ... Packing machine g ... Grip pair

Claims (3)

A pair of guide bars arranged in parallel on the frame are rotatably supported, and the guide bars are provided intermittently rotatable in opposite directions by driving a drive motor installed on the frame. The bar is inclined downward toward the front end, and a large number of extraction bags, on which the filter paper bag filled with the material to be extracted for beverage protrudes below the center of the horizontally long support frame, are provided on the guide bar. The lower surface of the support frame is provided so as to be placed in a vertical position, and the guide bar is intermittently rotated by the drive motor device so that the extraction bag is moved until it comes into contact with a stopper at the forward end. Supply unit,
A delivery unit that sucks and extracts the leading extraction bag waiting at the forward end of the supply unit and supplies the extracted extraction bag in a vertical posture to a pair of clamping pieces provided at a supply position to the packaging machine. A supply device for an extraction bag in a packaging machine, comprising: The rear end of the frame is supported by a horizontal axis, and the front end of the frame is provided movably in the vertical direction by a height adjustment mechanism with the horizontal axis as a fulcrum, and the height at the forward end of the extraction bag can be adjusted. The supply device for an extraction bag in the packaging machine according to claim 1, wherein: A pusher that can move on the inclined guide bar by its own weight is provided, and the pusher is provided so as to press the front surface of the pusher against the back surface of the last extraction bag among a number of extraction bags stored in a vertical position. The supply device of the extraction bag in the packaging machine according to claim 1 or 2, characterized in that:

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