JP5397381B2 - Extraction bag sheet manufacturing method and manufacturing machine - Google Patents

Description

  The present invention relates to a method for manufacturing a sheet for an extraction bag and a manufacturing machine.

  As a tea bag for tea, green tea, herbs, etc., as a bag for extracting dried stock such as dried and dried bonito, a water-permeable filterable sheet such as non-woven fabric is formed into a flat bag shape, tetrahedron shape bag body, etc. What is used is filled with extraction materials such as tea leaves and attached with a hanging thread with a tag on the outer surface.

  As a sheet for an extraction bag used for manufacturing such an extraction bag, one in which a hanging thread with a tag for one extraction bag is arranged at a predetermined interval in the longitudinal direction of a belt-like water-permeable filterable sheet is known. Although (Patent Document 1), as to enable the extraction bag sheet to be manufactured with higher productivity, the tags are arranged in the longitudinal direction of the sheet at predetermined intervals on the belt-like water-permeable filterable sheet, A long thread material arranged in a specific rotation pattern so as to be placed on each tag is known (Patent Document 2). Further, in order to sufficiently secure the length of the hanging thread, it has been proposed to wind the hanging thread around the tag in advance and arrange the tag on the sheet in that state (Patent Document 3).

JP-A-10-157709 Special Table 2001-519729 JP 2002-211641 A

  However, the conventional method for manufacturing a manufacturing sheet for an extraction bag in which long thread materials are arranged in a specific rotation pattern is such that a pin protrudes from a rotating carrier and the pin is moved on the peripheral surface of the rotating carrier. Tensioning the thread material or moving the thread guide in a horizontal plane with a crank mechanism connected to the rotary drive shaft, hook the thread on the pin protruding from the rotating carrier, and temporarily bond the thread rotation pattern to the water-filterable sheet In both cases, there is a problem that the spinning pattern of the yarn is easily detached from the water-permeable filterable sheet, which hinders the subsequent bag making process of the extraction bag. For this, it is conceivable to increase the adhesive strength of temporary bonding between the thread material and the water-permeable filterable sheet or increase the number of temporary bonding locations, but increase the bonding strength or increase the number of temporary bonding locations. When the extraction bag is used, when the hanging thread is peeled from the bag body, there arises a problem that the water-permeable filterable sheet forming the bag body is torn.

  In addition, as described in Patent Document 3, the method of winding the yarn around the tag in advance eliminates the problem that the yarn material is detached from the water-permeable filterable sheet, but requires a large manufacturing apparatus for the extraction bag sheet. Furthermore, it is not easy to increase the production speed of the extraction bag sheet.

  In contrast, the present inventor, in producing a sheet for an extraction bag in which long yarn materials are arranged in a specific convolution pattern, without increasing the adhesive strength between the yarn material and the water-permeable filterable sheet, It is an object of the present invention to make it difficult for the thread material rotation pattern to come off from the water-filterable sheet without increasing the number of bonding points, and to increase the production speed of the sheet for the extraction bag.

  The present inventor, when manufacturing a sheet for an extraction bag in which a long thread material is arranged in a specific rotation pattern, has a horizontal drive crank mechanism that moves a threader that draws the long thread material in a horizontal direction, and a vertical mechanism. By using a vertical drive crank mechanism that moves in the direction, it is possible to form a rotational pattern in which the thread materials intersect each other by three-dimensional driving, thereby forming the rotational pattern of the thread material within the tag width. It has been found that the above-mentioned purpose can be achieved by holding the tag with a tag.

That is, the present invention is a method for manufacturing a sheet for an extraction bag in which tags bonded to a thread material are arranged at predetermined intervals in the longitudinal direction of a water-permeable filterable sheet,
(1) A step of carrying the tag at a predetermined interval on the rotary carrier
(2) Threading step of forming a continuous pattern of thread material by rotating the threader on the peripheral surface of the rotating carrier from which the threading pin protrudes
(3) Bonding process for bonding the tag and thread material
(4) A step of supplying a water-permeable filterable sheet onto the tag and the thread material on the rotating carrier.
(5) having a temporary bonding step of temporarily bonding the tag or the thread material and the water-permeable filterable sheet on the rotating carrier;
In the yarn hooking step of (2), the threading device is driven in the horizontal direction by the horizontal drive crank mechanism and is driven in the vertical direction by the vertical drive crank mechanism, so that the rotation pattern of the yarn material is changed between the yarn materials. Intersect and form within the tag width,
In the temporary bonding step of (5), a method for producing a sheet for an extraction bag is provided in which a thread material rotation pattern in which yarn materials intersect each other is sandwiched between adjacent temporary bonding regions between a tag and a water-permeable filterable sheet. .

Further, the present invention is an extraction bag sheet manufacturing machine in which tags bonded to a thread material are arranged at predetermined intervals in the longitudinal direction of the water-permeable filterable sheet,
(1) Tag supply device for supporting a tag on a rotating carrier at predetermined intervals
(2) A yarn hooking device that forms a continuous pattern of yarn material by rotating the threader on the peripheral surface of the rotating carrier from which the yarn hooking pins protrude.
(3) Sealing device for bonding tag and thread material
(4) Sheet supply device for supplying a water-permeable filterable sheet onto the tag and thread material on the rotating carrier
(5) having a sealing device for temporarily bonding the tag or the thread material and the water-permeable filterable sheet on the rotating carrier;
The yarn hooking device of (2) includes a horizontal drive crank mechanism and a vertical drive crank mechanism, and a thread material rotation pattern is formed within the tag width by crossing the thread materials,
The sealing device of (5) provides a machine for producing a sheet for an extraction bag in which a thread material rotation pattern in which yarn materials intersect each other is sandwiched between adjacent temporary bonding regions between a tag and a water-permeable filterable sheet.

  According to the extraction bag sheet manufacturing method or the extraction bag sheet manufacturing machine of the present invention, when the threader is driven on the rotation carrier to form the rotation pattern of the thread material, it is perpendicular to the horizontal drive crank mechanism. Since the threader is driven three-dimensionally using the driving crank mechanism, it is possible to form the convolution pattern within the tag width by allowing the thread materials to cross each other to form a narrow convolution pattern. . Therefore, the rotation pattern can be pressed by temporary adhesion between the tag and the water-permeable filter sheet, and the rotation pattern can be prevented from coming off the water-filterable sheet.

  In this case, it is not necessary to increase the adhesive strength of the temporary adhesion between the thread material and the water-permeable filterable sheet. It can be reduced to the minimum necessary for forming. Therefore, when using the extraction bag, when the hanging thread is peeled from the bag body, the problem that the water-permeable filterable sheet forming the bag body is torn can be solved.

  Furthermore, the extraction bag sheet manufacturing method of the present invention or the yarn hooking step performed on the extraction bag sheet can be performed on a rotating carrier having tags supported at predetermined intervals. Can be made compact, and the production speed of the extraction bag sheet can be maintained high.

It is a schematic block diagram of the manufacturing machine of the sheet | seat for extraction bags of an Example. It is a perspective view of the yarn hooking apparatus which comprises the manufacturing machine of the sheet | seat for extraction bags of an Example. It is a rear view (AA figure) of the yarn hooking apparatus which comprises the manufacturing machine of the sheet | seat for extraction bags of an Example. It is a side view (BB figure) of the yarn hooking apparatus which comprises the manufacturing machine of the sheet | seat for extraction bags of an Example. It is a side view (CC figure) of the yarn hooking apparatus which comprises the manufacturing machine of the sheet | seat for extraction bags of an Example. It is a side view (BB figure) in the origin return operation | work of the yarn hooking apparatus which comprises the manufacturing machine of the sheet | seat for extraction bags of an Example. It is a top view of the crank mechanism for the horizontal drive of the yarn hooking apparatus which comprises the manufacturing machine of the sheet | seat for extraction bags of an Example. It is a top view of the rotation pattern of the thread | yarn material formed in the surrounding surface of a rotation carrier. It is explanatory drawing of the threading track | orbit with respect to the surrounding surface of a rotation carrier. It is explanatory drawing of the threading track | orbit with respect to a fixed coordinate. It is explanatory drawing of a seal | sticker site | part. It is a perspective view of a filling packaging machine. It is a perspective view of an extraction bag.

  Hereinafter, the present invention will be specifically described with reference to the drawings. In each figure, the same numerals indicate the same or equivalent components.

  FIG. 1 is a schematic configuration diagram of an extraction bag sheet manufacturing machine 1 according to an embodiment of the present invention. 2A is a perspective view of a yarn hooking device 30 constituting the machine for manufacturing the extraction bag sheet 1, FIG. 2B is a rear view (AA view), and FIG. 2C is a side view (BB view). 2D is a side view (CC diagram). FIG. 3 is a top view of the horizontal drive crank mechanism 32 of the yarn hooking device 30.

  As shown in FIG. 1, the extraction bag sheet manufacturing machine 1 generally includes a rotation carrier 10 that rotates in the direction of an arrow, and a tag supply device 20 that supplies tags 2 to the peripheral surface of the rotation carrier 10 at predetermined intervals. , A yarn hooking device 30 for forming a continuous pattern of the thread material 3 on the peripheral surface of the rotation carrier 10 in which the tags 2 are arranged at predetermined intervals, and water passing over the tag 2 and the thread material 3 on the rotation carrier 10 Sheet supply device 50 for supplying the filterable sheet 4, adhesion between the tag 2 and the thread material 3, temporary adhesion between the tag 2 and the water-permeable filter sheet 4, or adhesion between the thread material 3 and the water-permeable filter sheet 4 Or it consists of the sealing device 60 which performs temporary adhesion.

  Further, downstream of the extraction bag sheet manufacturing machine 1, the extraction bag sheet 5 manufactured by the extraction bag sheet manufacturing machine 1 is used to form a tetrahedral bag, and the contents of tea leaves and the like are contained therein. A filling and packaging machine 70 for filling the product to produce the extraction bag 6 is provided.

  Here, the yarn hooking device 30 is a device characteristic of the extraction bag seat manufacturing machine 1 of the present embodiment, and includes a horizontal driving crank mechanism 32 and a vertical driving crank mechanism 31, for horizontal driving. The crank mechanism 32 includes a first drive crank mechanism 32a and a second drive crank mechanism 32b.

  As shown in FIGS. 2A and 3, the drive crank mechanisms 32a and 32b of the horizontal drive crank mechanism 32 are respectively driven by servo motors 33Ma and 33Mb and move in a horizontal plane, and the crank arms 34a and 34b, 34b, and the link 35a of the first drive crank mechanism 32a and the end of the link 35b of the second drive crank mechanism 32b intersect at a substantially right angle at the joint 35c. Connected to. Further, a threading holding bracket 38 provided with a ring-shaped thread guide 36 and a threading 37 is provided at the tip of the link 35a of the first drive crank mechanism 32a.

  As described above, when the joint portion 35c of the first drive crank mechanism 32a and the second drive crank mechanism 32b is provided at the intermediate portion of the link 35a of the first drive crank mechanism 32a, the joint portion 35c and the crank arm 34b It is possible to prevent the sliding portion serving as a dust generation source such as a joint portion with the link 35b from being positioned on the peripheral surface of the rotation carrier 10. Further, since the thread holding bracket 38 is only positioned on the circumferential surface of the rotation carrier 10, and the links 35a and 35b are located outside the circumferential surface, the rotation carrier 10 for threading and a water-permeable filterable sheet is used. It is possible to eliminate as much as possible the obstacles when supplying to the top.

  On the other hand, as shown in FIGS. 2A, 2B, 2C, and 2D, the vertical drive crank mechanism 31 includes a crank arm 311 that moves in a vertical plane by rotating a shaft of a crank 310 by a servo motor 31M, and a crank arm. A slide shaft 313 is connected to 311 via a joining jig 312, and the slide shaft 313 is connected to an attachment base 39 to which the horizontal drive crank mechanism 32 is attached. The slide shaft 313 is attached to a substrate 1p fixed to the frame F of the extraction bag sheet manufacturing machine 1 by a slide bearing 314. Further, the mounting plate 315 of the servo motor 31M is fixed to the inverted U-shaped mounting member 317 via the connecting jig 316, and the inverted U-shaped mounting member 317 slides on the slide shaft 313 via the slide bearing 318. Supported as possible. On the other hand, an air cylinder 320 is fixed to the substrate 1p, and the tip of the air cylinder rod 321 is connected to the above-described inverted U-shaped mounting member 317. Therefore, the servo motor 31M is attached to the substrate 1p via the air cylinder 320. As will be described later, the air cylinder 320 is used to prevent interference between the threading 37 and the thread hooking pin 11 on the rotary carrier 10 during the operation of returning the origin of the servo motor 31M. When performing the hanging process, the air cylinder rod 321 is contracted. Reference numeral 319 denotes a sensor that informs the servo motor 31M of the position of the crank arm 311.

  Therefore, according to the yarn hooking device 30, the threading unit 37 is driven in the horizontal direction by the two drive crank mechanisms 32a and 32b constituting the horizontal drive crank mechanism 32, and the vertical drive crank mechanism 31 in the vertical direction. Since the servomotors 33Ma, 33Mb, and 31M are used as drive sources for the drive crank mechanisms 32 and 31, respectively, the yarns protruding from the peripheral surface of the rotary carrier 10 are controlled by the servomotors 33Ma, 33Mb, and 31M. It becomes possible to move the threader 37 to the track required for threading the hooking pin 11, and in particular, the threader 37 is driven so as to cross over the already stretched thread material 3, so When crossing, the vertical drive crank mechanism 31 may lift the threader 37 so that the stretched thread material 3 and the threader 37 do not interfere with each other. Can. Therefore, by making the thread materials 3 cross each other, it is possible to form the narrow pattern so that the rotation pattern is formed within the width of the tag 2.

  Specifically, for example, as shown in FIG. 4, when the two tags 2 are arranged at predetermined intervals so as to be close to the peripheral surface of the rotation carrier 10 and fixed by suction, In order to form a continuous rotation pattern in which the material 3 is stretched in the axial direction of the rotation carrier on each tag 2 and each rotation pattern is formed within the width of each tag, as shown in FIG. At the time of hanging, the yarn hooking pins 11a and 11b are protruded on both sides of the tag 2 (upstream side and downstream side in the rotation direction of the rotation carrier 10) and separated from each tag 2 in the axial direction of the rotation carrier 10 The thread hooking pins 11c and 11d are also protruded at positions, and the threading 37 at the tip of the threading holding bracket 38 has a predetermined radius (for example, 6) around these pins 11 (11a, 11b, 11c, and 11d). -10mm), moving on a circular orbit, pin 11 and pin 1 When the yarn hooking device 30 is moved so as to take the track La running on the tangential line of the circular track, and the yarn materials 3 are crossed, the threading 37 is lifted before the crossing, The already stretched thread material 3 and the threading member 37 are prevented from interfering with each other. Further, after the threading member 37 is lifted, the threading member 37 is lowered before the threading material 3 is put on the next pin 11 and the threading member 3 is lowered. May be hooked on the pin 11. 4 and 5, the broken line indicates the water-permeable filter sheet 4 to be supplied to the peripheral surface of the rotation carrier 10 later, and the two-dot chain line indicates one extraction bag in the water-permeable filter sheet 4. Indicates the area delimiter. Further, in FIG. 5, the continuous rotation pattern of the thin line corresponds to the continuous rotation pattern of FIG.

  The trajectory La in FIG. 5 is a trajectory with respect to the pin 11 moving in the direction of the arrow by the rotation of the rotary carrier 10, so that the threader 37 draws the trajectory Lb shown in FIG. 6 for the fixed coordinates. The yarn hooking device 30 is moved to In addition, the code | symbol P1 in FIG. 5 and FIG. 6 has shown the corresponding point on these track | orbits La and Lb.

  Such movement of the threader 37 can be obtained by causing the servo motors 33Ma, 33Mb, and 31M to reciprocate and controlling the rotation speed and rotation time thereof. In this case, the range of the swing angles θa and θb (FIG. 3) of the crank arms 34a and 34b is preferably set to 120 degrees or less. When the crank arms 34a and 34b are close to the top dead center or the bottom dead center, the movement of the links 35a and 35b becomes smaller than the movement of the crank arms 34a and 34b, and the threader 37 can be moved at an intended speed. Although it becomes difficult, by moving the crank arms 34a and 34b within the above-described range, the threader 37 can be moved at an intended speed.

  When the movement of the threading 37 is controlled by the servo motors 33Ma, 33Mb, and 31M, (i) the threading 37 is controlled so that the traveling speed of the threading 37 is constant. (Iii) Acceleration and deceleration of the threader 37 are controlled based on a predetermined deformation curve, and the speed is controlled to be low when traveling around the belt, and high when traveling on the straight portion between the pins. (Iv) It is possible to take a mode in which the feeding speed of the yarn material 3 from the yarn material raw material 3r around which the yarn material 3 is wound is constant, etc. From the viewpoint of suppression, (iv) is preferable.

  At the start of the operation of the extraction back sheet manufacturing machine 1, an origin return operation is performed in which each servomotor recognizes the origin position. At this time, air is supplied to the air cylinder 320 to extend the air cylinder rod 321 as shown in FIG. 2E, thereby lifting the servo motor 31M via the inverted U-shaped mounting member 317 and the mounting plate 315, and further to the crank 310 And the mounting base 39 is lifted through the slide shaft 313. In this case, the height to be lifted is high enough to allow the threading member 37 to escape from the threading pin 11 on the rotary carrier 10. Prevent interference.

  The extraction back sheet manufacturing machine 1 shown in FIG. 1 incorporates the above-described yarn hooking device 30 into its yarn hooking mechanism 40. In the extraction back sheet manufacturing machine 1, the yarn hooking mechanism 40 includes a driving roller 401 for feeding the yarn material 3 from the yarn material stock 3r, a nip roller 402 facing the drive roller 401, a tension adjusting means 410 for the yarn material 3, and the above-mentioned. The tensioning means 410 is provided with a dancer mechanism 420 and a path length adjusting device 430 downstream thereof.

  The rotating carrier 10 is continuously rotated in the direction of the arrow by a servo motor during operation of the manufacturing machine 1 (FIG. 1).

  The outer periphery of the rotary carrier 10 is divided into 24 parts, and two placement parts for the tag 2 are provided close to each divided region. At the place where the tag 2 is placed, the suction of the tag 2 is started from the position facing the tag supply device 20, and the tag 2 and the water-permeable filter sheet 4 are temporarily bonded by a weak seal as described later (seal The vacuum pump or blower motor sucks and holds the tag 2 by switching the suction path using the rotary bubble so that the suction is cut from the device 64) until before the extraction bag sheet is separated from the peripheral surface of the rotary carrier 10. A mechanism is provided.

  Further, the rotation carrier 10 is provided with a vertical mechanism for the thread hooking pin 11. In this vertical mechanism, the pin 11 is always urged by a spring so as to protrude from the peripheral surface of the rotary carrier 10, but the region where the water-permeable filterable sheet 4 is supplied to the peripheral surface of the rotary carrier 10. Then, it is lowered toward the inside of the rotary carrier along the shape of the fixed cam provided inside the rotary carrier 10 so that the amount of protrusion from the peripheral surface of the pin 11 becomes small.

  The tag supply device 20 feeds the tag tape 2t from the tag tape original fabric 2r around which the tab tape 2t is wound, and cuts the tag tape 2t into a tag 2 having a predetermined length, and the tag cut supply device 21 cuts the tag tape 2t. The tag delivery drum 22 moves the tag 2 to the peripheral surface of the rotary carrier 10.

  In this tag supply device 20, the tag cut supply device 21 is provided with a cam mechanism so that the tag 2 can be supplied as fast as possible without loosening the tag tape 2t from the tag tape original fabric 2r to the rotary carrier 10. The tag tape 2t is cut while being swung as indicated by an arrow, and the cut tag 2 is transferred to the tag transfer drum 22. The tag delivery drum 22 rotates at a constant speed, and the tag 2 delivered from the tag cut supply device 21 is carried on the rotation carrier 10 at a predetermined interval.

  The sheet supply device 50 feeds the water-permeable filter sheet 4 from the sheet raw material 4r around which the water-filterable sheet 4 is wound, and the tag 2 carried on the rotary carrier 10 at a predetermined interval and the tag 2 on the tag 2 It supplies so that it may mount on the continuous pattern of the formed thread material 3. FIG. Here, the water-filterable sheet 4 can be fed out by controlling the feed-out speed with the nip drive roller 52 that feeds the water-filterable sheet 4 with an angle detector attached to the dancer roller 51 in the middle of the path. It is adjusted as fast as possible.

  As the sealing device 60, before supplying the water filterable sheet 4 onto the rotation carrier 10, the tag 2 and the thread material 3 carried on the rotation carrier 10 are sealed as shown in FIG. After supplying the water-permeable filterable sheet 4 onto the first seal device 61 and the rotary carrier 10 that are strongly sealed at s1, as shown in FIG. 2, a second sealing device 62 that strongly seals the thread material 3 and the water-permeable filter sheet 4 at the seal part s2 that is separated from the longitudinal direction of the water-filterable sheet 4 from the tag 2, as shown in FIG. The thread material 3 and the water-permeable filter sheet 4 are temporarily bonded to each other by a weak seal at a seal portion s3 where the thread material 3 is extended from 2 to the axial direction of the rotary carrier 10, that is, the width direction of the water-permeable filter sheet 4. The third seal device 63 is connected to the tag 2 at the seal portion s4 shown in FIG. A water filtration sheet 4 is provided with a fourth sealing device 64 temporarily bonded by weak seal.

  Here, the strong seal means that the seal part is firmly sealed to the extent that the seal part does not peel off in the use of the normal extraction bag, and the weak seal is a degree that the seal part can be easily peeled off when the extraction bag is used. It means to seal weakly. Further, in the figure, hatching frames surrounding the seal portions s1, s2, s3, and s4 indicate regions where the seal head is applied. As shown in FIG. 7 (d), according to this embodiment, the rotation pattern is passed by sandwiching the rotation pattern of the thread material 3 formed within the width of the tag 2 between the adjacent weak seal portions s4. Since it is pressed against the water filterable sheet 4, it is possible to prevent the rotation pattern from being carelessly detached from the water filterable sheet 4.

  In the extraction bag sheet manufacturing machine 1 of the present invention, the seal portion can be appropriately changed according to the rotation pattern of the thread material 3, the arrangement of the pins 11, and the like.

  The sealing means in these sealing devices 60 (61, 62, 63, 64) may be ultrasonic welding or heat welding. However, ultrasonic welding is advantageous in that the sheet melt does not adhere to the sealing device. preferable.

  Further, these sealing devices 60 are preferably moved up and down with respect to the peripheral surface of the rotation carrier 10 by using a servo motor as a drive source separately from the drive source of the rotation carrier 10. It is preferable to swing as indicated by the arrow shown in FIG. As a result, the contact time between the seal head of the sealing device 60 and the tag, the thread material or the water-permeable filterable sheet that is the object to be sealed becomes longer, so that optimum sealing conditions can be easily set. Appropriate sealing conditions can be set even when the material is changed.

  As a method of manufacturing the extraction bag sheet 5 with the extraction bag sheet manufacturing machine 1 of the present embodiment, first, the tag tape original fabric 2r, the yarn material original fabric 3r, and the sheet original fabric 4r are respectively set in the present machine. Then, the tag supply device 20 feeds the tag tape 2t from the tag tape original fabric 2r, cuts it into the tag 2, and carries the tag 2 on the peripheral surface of the rotary carrier 10 at a predetermined interval.

  Next, the thread hooking pin 11 is protruded from the circumferential surface of the rotary carrier 10, and the yarn material 3 is fed out from the yarn material original fabric 3 r by the yarn hooking device 30, and the yarn material 3 is placed on the circumferential surface of the rotary carrier 10. The continuous pattern shown in FIG.

  Then, the first seal device 61 strongly seals the tag 2 and the thread material 3 as shown in FIG. 7A, and the sheet supply device 50 passes the tag 2 and the thread material 3 on the rotary carrier 10 over the tag 2 and the thread material 3. A water-filterable sheet 4 is supplied. The pin 11 protruding from the peripheral surface of the rotary carrier 10 when threading is pulled down to the extent that the thread material 3 is not detached from the pin 11 when the water-permeable filter sheet 4 is supplied. When sealing with the water-permeable filter sheet 4, the water-filterable sheet 4 is prevented from wrinkling.

  Thereafter, the thread material 3 and the water-permeable filter sheet 4 are strongly sealed by the second sealing device 62 as shown in FIG. 7B, and the third sealing device 63 is used as shown in FIG. 7C. The thread material 3 and the water-permeable filter sheet 4 are weakly sealed, and the tag 2 and the water-filterable sheet 4 are weakly sealed by the fourth sealing device 64 as shown in FIG.

  In this way, the extraction bag sheet 5 in which the thread material 3 has the rotation pattern of FIG. 4 can be obtained on the rotation carrier 10.

  The extraction bag sheet 5 may be wound up in a roll shape and subjected to a separate filling and packaging machine for the manufacture of the extraction bag. However, as shown in FIG. Alternatively, the extraction bag 6 may be manufactured by sending it to the filling and packaging machine 70. In that case, the filling and packaging machine 70 is operated in accordance with the speed of the extraction bag sheet 5 fed out by the reference feed roller 71 having a servo motor.

  Various known machines can be used as the filling and packaging machine 70. For example, as shown in FIG. 8, a cylinder 73 provided with a sailor-type former guide 72 that guides the extraction bag sheet 5, a feed roller 74 that moves the extraction bag sheet 5 wound around the cylinder 73 downward, A vertical seal device 75 that welds and cuts both side edges of the extraction bag sheet 5 to form a cylinder, and a first width direction seal and a second width direction weld and cut to the extraction bag sheet 5 that is formed into a cylinder. Are alternately formed in a direction intersecting with each other when viewed from above, and tea leaves or the like serving as the contents of the extraction bag are removed from the hopper 101 to the bowl 102 while the first horizontal seal and the second horizontal seal are alternately repeated. Can be used that is provided with a filling device 100 that measures a predetermined amount and drops it into the chute pipe 106 and fills the inside of the cylindrical body of the extraction bag sheet 5 through the cylindrical body 73 with tea leaves and the like. .

  Here, when unnecessary edge portions (ear portions) are generated when both side edge portions of the extraction bag sheet are welded and cut using the vertical sealing device 75, scrap winding means 77 is provided to wind up the edge portions. Also good.

  Further, the horizontal sealing device 76 swings an attachment base (not shown) of the seal head 76a by 90 ° in a plane perpendicular to the longitudinal direction of the cylindrical body 73 so that a position indicated by a solid line and a broken line are indicated. The cylindrical body of the extraction bag sheet 5 is crushed by the presser 78 and the anvil 76b each time the position shown is swung, and the seal head 76a is moved in the width direction of the extraction bag sheet, thereby sequentially. Then, welding and cutting in the width direction of the extraction bag sheet 5 is performed.

  Accordingly, for example, as in the extraction bag 6 shown in FIG. 9, the widthwise seals sx and sy at the upper and lower end edges are twisted positions, and the tetrahedron-shaped extraction bag has a seal portion s2 near the top. Therefore, one end of the hanging thread 3 ′ made of the thread material 3 and the water-permeable filter sheet 4 are strongly sealed, and the hanging thread 3 ′ and the tag 2 are strongly sealed at the portion s1 at the other end of the hanging thread 3 ′. It is possible to obtain the extraction bag 6 that is sealed and the hanging thread 3 ′ therebetween is a rotating pattern and is held by the tag 2.

  In addition, as the thread material 3, the tag tape 2t, and the water-permeable filterable sheet 4 used in the yarn hooking device 30 and the extraction bag sheet manufacturing machine 1 of the present invention, conventional ones can be used. For example, as the thread material 3, a material formed from a material capable of ultrasonic welding or heat welding including thermoplastic synthetic fibers such as polypropylene and polyethylene can be used. As the tag tape 2t, paper, What was formed from the plastic sheet etc. can be used. Further, as the water-permeable filter sheet 4, synthetic fibers such as polyester, nylon, polyethylene, and polypropylene, semi-synthetic fibers such as rayon, woven fabrics, nonwoven fabrics, papers made of natural fibers such as mulberry, Mitsumata, etc. For example, a film having many holes can be used.

  The method or machine for producing a sheet for an extraction bag according to the present invention is useful for continuously producing tea bags such as black tea, green tea, herbs, etc., and boiled and dried bonito extract bags on a production line.

DESCRIPTION OF SYMBOLS 1 Extraction bag sheet manufacturing machine 1p Substrate 2 Tag 2r Tag tape original 2t Tag tape 3 Thread material 3r Thread material original 4 Water-permeable filterable sheet 4r Sheet original 5 Extraction bag sheet 6 Extraction bag 10 Rotating carrier 11, 11a, 11b, 11c, 11d Pin 20 Tag supply device 21 Tag cut supply device 22 Tag delivery drum 30 Threading device 31 Vertical drive crank mechanism 31M Servo motor
310 crank
311 crank arm
312 Joining jig
313 Slide axis
314 Slide bearing
315 Mounting plate
316 connection jig
317 Reverse U-shaped mounting member
318 slide bearing
319 Sensor
320 Air cylinder
321 Air cylinder rod 32 Horizontal drive crank mechanism 32a First drive crank mechanism 32b Second drive crank mechanism 33Ma, 33Mb Servo motors 34a, 34b Crank arms 35a, 35b Link 35c Joint portion 36 Thread guide 37 Threading 38 Threading Holding bracket 39 Mounting base 40 Thread hanging mechanism
401 Drive roller
402 Nip roller
410 Tension adjustment means
420 Dancer mechanism
430 Path length adjusting device 50 Sheet feeding device 51 Dancer roller 52 Nip driving roller 60 Sealing device 61 First sealing device 62 Second sealing device 63 Third sealing device 64 Fourth sealing device 70 Filling and packaging machine 71 Reference feed Roller 72 Former guide 73 Cylindrical body 74 Feed roller 75 Vertical seal device 76 Horizontal seal device 76a Seal head 76b Anvil 77 Scrap take-up means 78 Presser 100 Filling device La Trajectory Lb with threading pin Threading trajectory θa at fixed coordinates , Θb Crank arm swing angles s1, s2, s3, s4

Claims (6)

The tag bonded to the thread material is a method for producing a sheet for an extraction bag in which the tags are arranged at predetermined intervals in the longitudinal direction of the water-permeable filter sheet,
(1) A step of carrying the tag at a predetermined interval on the rotary carrier
(2) Threading step of forming a continuous pattern of thread material by rotating the threader on the peripheral surface of the rotating carrier from which the threading pin protrudes
(3) Bonding process for bonding the tag and thread material
(4) A step of supplying a water-permeable filterable sheet onto the tag and the thread material on the rotating carrier.
(5) having a temporary bonding step of temporarily bonding the tag or the thread material and the water-permeable filterable sheet on the rotating carrier;
In the yarn hooking step of (2), the threading device is driven in the horizontal direction by the horizontal drive crank mechanism and is driven in the vertical direction by the vertical drive crank mechanism, so that the rotation pattern of the yarn material is changed between the yarn materials. Intersect and form within the tag width,
(5) In the temporary bonding step of (5), a method for producing a sheet for an extraction bag, wherein a thread material rotation pattern in which thread materials intersect each other is sandwiched between adjacent temporary bonding regions between a tag and a water-permeable filterable sheet. The horizontal drive crank mechanism is composed of two drive crank mechanisms that move in a horizontal plane, and a threading is provided at the tip of the link of one of the drive crank mechanisms, and the middle part of the link is connected to the other drive crank mechanism. Connect to cross the link,
2. The method for manufacturing an extraction bag seat according to claim 1, wherein the slide shaft of the vertical drive crank mechanism is connected to an attachment base of the horizontal drive crank mechanism, and the base is driven in the vertical direction.   The method for manufacturing a sheet for an extraction bag according to claim 1 or 2, wherein servo motors are used as drive sources for the horizontal drive crank mechanism and the vertical drive crank mechanism. The tag bonded to the thread material is a machine for manufacturing a sheet for an extraction bag in which the tags are arranged at predetermined intervals in the longitudinal direction of the water-permeable filter sheet,
(1) Tag supply device for supporting a tag on a rotating carrier at predetermined intervals
(2) A yarn hooking device that forms a continuous pattern of yarn material by rotating the threader on the peripheral surface of the rotating carrier from which the yarn hooking pins protrude.
(3) Sealing device for bonding tag and thread material
(4) Sheet supply device for supplying a water-permeable filterable sheet onto the tag and thread material on the rotating carrier
(5) having a sealing device for temporarily bonding the tag or the thread material and the water-permeable filterable sheet on the rotating carrier;
The yarn hooking device of (2) includes a horizontal drive crank mechanism and a vertical drive crank mechanism, and a thread material rotation pattern is formed within the tag width by crossing the thread materials,
The extraction bag sheet manufacturing machine in which the sealing device of (5) sandwiches a rotational pattern of a thread material in which the thread materials intersect each other between temporary adhering regions adjacent to the tag and the water-permeable filter sheet. The horizontal drive crank mechanism is composed of two drive crank mechanisms that move in a horizontal plane, and a threading is provided at the tip of the link of one of the drive crank mechanisms, and the middle part of the link is connected to the other drive crank mechanism. Connect to cross the link,
5. The machine for manufacturing a seat for an extraction bag according to claim 4, wherein the slide shaft of the vertical drive crank mechanism is connected to a mounting base of the horizontal drive crank mechanism, and the base is driven in the vertical direction.   The extraction bag seat manufacturing machine according to claim 4 or 5, wherein each of the horizontal drive crank mechanism and the vertical drive crank mechanism has a servo motor as a drive source.

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