WO2015068641A1 - 搬送装置及び搬送方法 - Google Patents
搬送装置及び搬送方法 Download PDFInfo
- Publication number
- WO2015068641A1 WO2015068641A1 PCT/JP2014/078990 JP2014078990W WO2015068641A1 WO 2015068641 A1 WO2015068641 A1 WO 2015068641A1 JP 2014078990 W JP2014078990 W JP 2014078990W WO 2015068641 A1 WO2015068641 A1 WO 2015068641A1
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- WIPO (PCT)
- Prior art keywords
- pad
- pads
- moving
- held
- moving member
- Prior art date
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Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
- A61F13/15577—Apparatus or processes for manufacturing
- A61F13/15764—Transferring, feeding or handling devices; Drives
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
- A61F13/15577—Apparatus or processes for manufacturing
- A61F13/15707—Mechanical treatment, e.g. notching, twisting, compressing, shaping
- A61F13/15723—Partitioning batts; Cutting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D1/00—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor
- B26D1/01—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work
- B26D1/12—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis
- B26D1/25—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a non-circular cutting member
- B26D1/34—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a non-circular cutting member moving about an axis parallel to the line of cut
- B26D1/40—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a non-circular cutting member moving about an axis parallel to the line of cut and coacting with a rotary member
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D1/00—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor
- B26D1/01—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work
- B26D1/12—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis
- B26D1/25—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a non-circular cutting member
- B26D1/34—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a non-circular cutting member moving about an axis parallel to the line of cut
- B26D1/40—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a non-circular cutting member moving about an axis parallel to the line of cut and coacting with a rotary member
- B26D1/405—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a non-circular cutting member moving about an axis parallel to the line of cut and coacting with a rotary member for thin material, e.g. for sheets, strips or the like
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G47/00—Article or material-handling devices associated with conveyors; Methods employing such devices
- B65G47/22—Devices influencing the relative position or the attitude of articles during transit by conveyors
- B65G47/24—Devices influencing the relative position or the attitude of articles during transit by conveyors orientating the articles
- B65G47/244—Devices influencing the relative position or the attitude of articles during transit by conveyors orientating the articles by turning them about an axis substantially perpendicular to the conveying plane
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G47/00—Article or material-handling devices associated with conveyors; Methods employing such devices
- B65G47/74—Feeding, transfer, or discharging devices of particular kinds or types
- B65G47/84—Star-shaped wheels or devices having endless travelling belts or chains, the wheels or devices being equipped with article-engaging elements
- B65G47/846—Star-shaped wheels or wheels equipped with article-engaging elements
- B65G47/848—Star-shaped wheels or wheels equipped with article-engaging elements the article-engaging elements being suction or magnetic means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H29/00—Delivering or advancing articles from machines; Advancing articles to or into piles
- B65H29/24—Delivering or advancing articles from machines; Advancing articles to or into piles by air blast or suction apparatus
- B65H29/241—Suction devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2301/00—Handling processes for sheets or webs
- B65H2301/30—Orientation, displacement, position of the handled material
- B65H2301/33—Modifying, selecting, changing orientation
- B65H2301/332—Turning, overturning
- B65H2301/3321—Turning, overturning kinetic therefor
- B65H2301/33216—Turning, overturning kinetic therefor about an axis perpendicular to the direction of displacement and to the surface of material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2301/00—Handling processes for sheets or webs
- B65H2301/30—Orientation, displacement, position of the handled material
- B65H2301/33—Modifying, selecting, changing orientation
- B65H2301/332—Turning, overturning
- B65H2301/3322—Turning, overturning according to a determined angle
- B65H2301/33222—90°
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2301/00—Handling processes for sheets or webs
- B65H2301/40—Type of handling process
- B65H2301/44—Moving, forwarding, guiding material
- B65H2301/447—Moving, forwarding, guiding material transferring material between transport devices
- B65H2301/4472—Suction grippers, e.g. moved in paths enclosing an area
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2801/00—Application field
- B65H2801/57—Diaper manufacture
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T83/00—Cutting
- Y10T83/647—With means to convey work relative to tool station
- Y10T83/6476—Including means to move work from one tool station to another
- Y10T83/6478—Tool stations angularly related
- Y10T83/648—Work manipulated between tool stations
Definitions
- the present invention relates to a transport apparatus and a transport method, and more particularly, to a transport apparatus and a transport method that deliver a transported object while changing the direction of the transported object.
- a conveying device that also serves as a web cutting device is used, which cuts the web and then conveys the cut pieces and changes the direction of the pieces during the conveyance. Yes.
- FIG. 10 is a schematic diagram illustrating the configuration of the transport device.
- FIG. 14 is a cross-sectional view illustrating a configuration of the transport device.
- a plurality of moving members 113 are held so as to be movable along the outer peripheral surface of the stationary drum 150. Between the moving member 113 adjacent to each other, the anvil A 1, A 2 which moves together with the moving member 113, ..., A i, ... , A n are arranged.
- a groove member 121b that engages with a protruding portion 121a fixed to the stationary drum 150 is fixed to the moving member 113, and a guide portion 121 that guides the moving member 113 with the protruding portion 121a and the groove member 121b.
- the moving member 113 is held movably along the outer peripheral surface of the stationary drum 150.
- the moving member 113 is coupled to the rotating body 120 through the links 111 and 112 and moves along the outer peripheral surface of the stationary drum 150 as the rotating body 120 rotates.
- the cam follower 115 formed on the other end of the shaft member 114 rotatably supported by the moving member 113 is engaged with the cam groove 151 formed on the outer peripheral surface of the stationary drum 150, the shaft member 114 rotates forward and backward around the central axis r within a range of 90 °.
- the direction of the pads P 1 , P 2 ,..., Pn is parallel to the moving direction indicated by the chain line, that is, the circumferential direction of the outer peripheral surface of the stationary drum. It varies within a range of 90 ° between orthogonal directions.
- FIG. 13A and FIG. 13B are enlarged views of main parts when the web is cut.
- the web W is conveyed in the direction of arrow D1 from the receiving position RP toward the cutting position CP.
- a cutting unit 130 is disposed so as to face the cutting position CP.
- the cutter 131 is fixed to the rotating member 132.
- the rotating member 132 rotates in the direction of the arrow D2 in synchronization with the conveyance of the web W.
- FIG. 13 (b) when the portion extending between the two pads P n and P 1 passes through the cutting position CP, the web W has the tip surface As of the anvil A1 and the cutter 131. It is sandwiched between cutting edges and cut.
- the central axis X1 of the stationary drum 150 and the central axis X2 of the rotating body 120 are separated from each other.
- the anvils A 1 , A 2 ,..., An are held movably along a cylindrical surface that is coaxial with the central axis X2 of the rotating body 120.
- the web moves backward while being held by i (see, for example, Patent Document 1).
- the problem to be solved by the present invention is to provide a transport apparatus and a transport method that can be transferred by alternately changing the direction of an object to be transported with a simple configuration.
- the present invention provides a transport device configured as follows.
- A a guide portion formed on a cylindrical outer peripheral surface, (b) a plurality of first moving members arranged along the outer peripheral surface and moving in a circumferential direction of the outer peripheral surface; c) the same number of second moving members as the first moving members, which are arranged between the first moving members adjacent to each other and move in the circumferential direction together with the first moving members; ) Moved together with the first and second moving members respectively held by the first and second moving members, starts holding the conveyed object at the receiving position, and releases the holding of the conveyed object at the delivery position
- the pad rotation mechanism includes a shaft member.
- the shaft member is rotatably supported by the moving members, moves together with the moving members, has an engaging portion that engages with the guide portion, and rotates as the moving members move.
- the pad rotation mechanism rotates the pad held by each moving member by rotation of the shaft member around a rotation axis extending in the radial direction of the outer peripheral surface, and holds the pad by the first moving member. Due to the difference in rotation between the pad and the pad held by the second moving member, the direction of the conveyed object that was the same at the pad at the receiving position is changed to the first position at the delivery position.
- the pad held by one moving member is different from the pad held by the second moving member.
- the conveyed object is a continuous web.
- E a plurality of anvils arranged between the first and second moving members adjacent to each other and moving in the circumferential direction together with the first and second moving members;
- a rotating member that is opposed to the web that moves while being held by a pad and that rotates while synchronizing with the movement of the anvil; and
- a cutter having a blade edge, the blade edge facing the anvil as the rotating member rotates.
- a portion of the web that is held by the pad and extends between the pads adjacent to each other is sandwiched and cut between the cutting edge of the cutter and the anvil.
- the direction of the pieces, which are transported objects cut from the web can be changed alternately to deliver the pieces from the pad to the subsequent process.
- the pad rotation mechanism transmits the rotation of the shaft member to the pad via a gear.
- the gear is more durable than a belt or chain, it is suitable for continuous operation for a long time.
- the pad rotation mechanism is (i) a unidirectional pad that is provided on the first moving member and transmits the rotation of the shaft member to the pad held by the first moving member in the same direction.
- the angular difference between the pad held by the first moving member and the pad held by the second moving member is held by the pad held by the first moving member and the second moving member. It is possible to double the case where only one of the pad and one of the pads rotates following the guide portion.
- the guide portion is shared, and the reverse pad rotation mechanism that converts the rotation of the shaft member in the reverse direction is only provided in half of the moving members. Therefore, it is possible to alternately change the direction of the transported object when the transported object is delivered with a simple configuration.
- the first moving member can include a shaft member, and the configuration of the co-directional pad rotation mechanism that transmits the rotation of the shaft member to the first pad can be simplified. Since the rotation shafts of the first and second pads and the rotation shaft of the shaft member are coaxial, it is easy to configure the rotation directions of the first pad and the second pad to be reversed. .
- the gear is more durable than a belt or chain, it is suitable for continuous operation for a long time.
- the present invention also provides a conveying method configured as follows.
- the second step of releasing the holding and transporting the transported object from the receiving position to the delivery position, and (iii) moving while holding the transported object by the second step For each pad of either one or both of the first and second pads, the rotation generated by engaging the engaging portion that moves together with each pad to the guide portion is transmitted to the respective pads, and Before each pad The direction of the object to be conveyed, which is the same at the first and second pads at the receiving position due to the difference in rotation of the first and second pads, is rotated following the guide unit, and the delivery is performed. And a third step for making the first pad and the second pad different in position.
- the total number of pads is an even number.
- the angle difference between the first and second pads can be doubled when only one of the first and second pads rotates following the guide portion.
- the first and second pads can be rotated by a common guide.
- One of the first and second pads, that is, half of the pads may be provided with a mechanism for converting the rotation in the reverse direction. Therefore, it is possible to alternately change the direction of the transported object when the transported object is delivered with a simple configuration.
- holding of the separated objects to be conveyed may be started at the receiving position, or holding of the continuous objects to be conveyed may be started at the receiving position and separated into pieces during conveyance.
- a plurality of anvils respectively disposed between the first and second pads adjacent to each other are mounted on the outer circumferential surface together with the first and second pads. Move in the circumferential direction.
- the object to be transported on which the first and second pads start holding is a continuous web.
- the rotation of the pads following the guide portion starts.
- the cutter is held by a rotating member and urged by the urging force from the urging member disposed on the rotating member to urge the cutter to a predetermined position and project the blade edge of the cutter,
- a fourth step of cutting the portion extending between the cutting edge of the cutter and the anvil is used in the fourth step.
- the urging member allows the cutter to retreat from the predetermined position when a reaction force larger than the urging force is applied to the cutting edge of the cutter.
- continuous webs can be cut and separated into pieces, and then handed over in different directions.
- the web can be cut, even if the distance between the cutter and the anvil or the contact of the blade edge of the cutter changes due to vibration or thermal deformation during operation, it can be kept within an appropriate adjustment range. Therefore, long-time continuous operation becomes easy.
- the first and second moving members that hold the first and second pads, respectively, and are alternately arranged in the circumferential direction along the outer circumferential surface are arranged in the circumferential direction. Move to.
- the first and second moving members can be provided with a configuration for rotating the first and second pads, and the configuration can be simplified.
- the direction of the object to be conveyed can be changed alternately and delivered.
- FIG. 9 is a fragmentary cross-sectional view of the second moving member.
- FIG. 10 is a schematic view showing the configuration of the transport apparatus.
- FIG. 11 is a schematic perspective view showing a web conveyance state.
- FIG. 12 is a development view showing a moving state of the pad.
- FIG. 13A and FIG. 13B are enlarged views of the main part when the web is cut.
- FIG. 14 is a cross-sectional view showing the configuration of the transport device.
- Example 1 The conveyance device 10 and the conveyance method of Example 1 will be described with reference to FIGS.
- a rotating body 11 that is a driving member is disposed adjacent to the stationary drum 90.
- the first and second moving members 60a and 60b and the anvils 14p to 14y are fixed to the rotating body 11, and as the rotating body 11 rotates, the outer peripheral surface 90a of the stationary drum 90 is indicated by an arrow 6q. Move in the circumferential direction.
- the first and second moving members 60 a and 60 b are coupled to the rotating body 11 via the link mechanism, and the first and second moving members 60 a and 60 b are moved along the rotation of the rotating body 11 to the stationary drum 90. You may comprise so that it may move to the circumferential direction of the stationary drum 90 along the outer peripheral surface 90a.
- the continuous web 2k is attracted to the pad 12p and is conveyed in the direction indicated by the arrow 6p as the pad 12p moves.
- a portion of the web 2k that extends between adjacent pads 12p and 12q is a cutting edge 18a of the cutter 58 of the cutting unit 50 that rotates in synchronization with the conveyance of the web 2k at the cutting position 18d (see FIG. 2 and FIG. 3) and the anvil 14q. That is, the cutter 58 of the cutting unit 50 is held by the rotating member 50a.
- the rotating member 50a is disposed so that the rotation center axis of the rotating member 50a is parallel to the center axis of the stationary drum 90, and is opposed to the web that moves while being held by the pads 12p to 12y.
- the rotating member 50a rotates in the direction indicated by the arrow 8b in synchronization with the movement of the anvils 14p to 14y so that the cutter 58 and the anvils 14p to 14y face each other.
- the post-process device 4k conveys the individual pieces in the direction indicated by the arrow 6r.
- the transport device can be configured with good balance. Further, it is preferable that the first and second sections for changing the direction of the pad are made as long as possible and the distance from the receiving position 18c to the cutting position 18d is made as short as possible so that the direction of the pad can be changed stably. . Therefore, the delivery position 18e includes an imaginary line extension line 10u that connects the center axis 10y of the stationary drum 90 and the receiving position 18c, and an imaginary line extension line 10v that connects the center axis 10y of the stationary drum 90 and the cutting position 18d. It is arranged in an acute angle region between.
- FIG. 2 is a sectional view of the cutting unit 50.
- FIG. 3 is a partial cross-sectional front view of the cutting unit 50.
- the pair of cutters 58 held by the rotating member 50 a is urged by the compression coil spring 56 disposed inside the rotating member 50 a, and the pair of cutters 58 The blade edges 58a protrude in opposite directions.
- the rotating member 50a includes a main body 52 that surrounds the central axis of the rotating member 50a, a stop member 54, and a shaft portion 51 that is formed integrally with the main body 52 and is rotatably supported.
- the main body 52 of the rotating member 50a is formed with a plurality of through holes 52x extending perpendicularly to the central axis of the rotating member 50a and passing through the central axis.
- a compression coil spring 56 is arranged in a compressed state in each through hole 52x.
- Stop members 54 are respectively fixed to one end side and the other end side of the through hole 52x of the main body 52 of the rotating member 50a.
- a through hole 54 x is formed in the stop member 54.
- a spring member other than the compression coil spring 56 may be used, or an elastic member such as rubber, or an air cylinder may be used. Since the spring member is excellent in durability, it is suitable for long-time continuous operation. Among the spring members, when the compression coil spring 56 is used, the configuration of the cutting unit 50 can be easily reduced in size.
- the cutter 58 has, on the base end 58b side, a bulging portion 58s that protrudes to both sides in the thickness direction from the blade edge 58a side.
- the width of the bulging portion 58 s is larger than the width of the through hole 54 x of the stopper member 54. Therefore, the protruding position of the cutter 58 urged outward in the radial direction of the rotating member 50a by the compression coil spring 56 is restricted by the protruding portion 58s contacting the stop member 54.
- the compression coil spring 56 attaches the cutter 58 to the outer side in the radial direction of the rotating member 50a to a predetermined position with a predetermined urging force according to the compression amount so that the bulging portion 58s of the cutter 58 contacts the stop member 54. Rush. When the reaction force acting on the cutter 58 is larger than the predetermined biasing force, the compression coil spring 56 is further compressed and causes the cutter 58 to retreat from the predetermined position regulated by the stop member 54 to the center side of the rotating member 50a. Allow.
- the distance between the cutter 58 and the anvils 14p to 14y and the contact of the cutter 58 with respect to the anvils 14p to 14y are easily adjusted when the web is cut. be able to. Further, even if the interval and hit between the cutter 58 and the anvils 14p to 14y change due to vibration or thermal deformation during operation, the interval and hit between the cutter 58 and the anvils 14p to 14y are maintained in an appropriate adjusted state. can do. Therefore, long-time continuous operation can be easily realized.
- the cutting unit 50 two cutters 58 are attached to the rotating member 50a, and the two cutters 58 cut the web alternately. Therefore, compared with the case where one cutter is attached to the rotating member, the cutter replacement cycle can be lengthened. Further, since the common compression coil spring 56 is used for the two cutters 58, the configuration of the cutting unit 50 is simplified.
- FIG. 4 is a cross-sectional view of the main part of the pad rotation mechanism 68a provided on the first moving member 60a.
- FIG. 5 is a cross-sectional view of a main part of the pad rotation mechanism 68b provided in the second moving member 60b.
- FIG. 6A is a cross-sectional view of the principal part taken along line AA in FIG.
- FIG. 6B is a cross-sectional view of the principal part taken along line BB in FIG.
- the pad 66a illustrated in FIG. 4 is a first pad held by the first moving member 60a, and half of the pads 12p, 12r, 12t, 12v, 12x.
- the pad 66b illustrated in FIG. 5 is the second pad held by the second moving member 60b, and the remaining half of the pads 12q, 12s, 12u, 12w, and 12y illustrated in FIG.
- the number of first pads and the number of second pads are the same.
- a cam groove 92 is formed on the outer peripheral surface 90a of the stationary drum 90. As shown in FIG. The cam groove 92 is a guide part. As described above, the moving members 60a and 60b move in the circumferential direction of the stationary drum 90 along the outer circumferential surface 90a of the stationary drum 90 (in the direction perpendicular to the paper surface in FIGS. 4 and 5).
- the shaft members 62a and 62b are rotatably supported by the moving members 60a and 60b.
- the shaft members 62 a and 62 b extend in the radial direction of the stationary drum 90, and have cam followers 64 a and 64 b that engage with the cam groove 92 of the stationary drum 90 at one end.
- the cam followers 64a and 64b are engaging portions.
- the shaft members 62a and 62b move together with the moving members 60a and 60b as the moving members 60a and 60b move. At this time, since the cam followers 64a and 64b follow the cam groove 92, the shaft members 62a and 62b rotate.
- the second moving member 60b is provided with a pad rotating mechanism 68b for rotating the pad 66b.
- the pad rotation mechanism 68b includes a shaft member 62b that is rotatably supported by the second moving member 60b via bearings 61s and 61t.
- the first gear member 72 is fixed to an intermediate portion of the shaft member 62b and rotates integrally with the shaft member 62b.
- a fourth gear member 78 is rotatably supported via bearings 61u and 61v on the other end of the shaft member 62b opposite to the one end having the cam follower, coaxially with the shaft member 62b.
- the second and third gear members 74 and 76 are disposed in parallel with the shaft member 62b and are rotatably supported by the second moving member 60b.
- a first gear 81 is formed on the first gear member 72.
- the second gear member 74 is formed with a second gear 82 that meshes with the first gear.
- a third gear 83 that meshes with the second gear 82 and a fourth gear 84 are formed coaxially.
- the fourth gear member 78 is formed with a fifth gear 85 that meshes with the fourth gear 84.
- the first moving member 60a is provided with a pad rotating mechanism 68a for rotating the pad 66a.
- the pad rotation mechanism 68a includes a shaft member 62a rotatably supported by the first moving member 60a via bearings 61a and 61b.
- a pad 66a is fixed to the other end of the shaft member 62a.
- the pad 66a rotates integrally with the shaft member 62a and rotates in the same direction as the shaft member 62a.
- the pad rotation mechanism 68a that rotates the pad 66a is a same-direction pad rotation mechanism.
- the total number of pads is an even number.
- half of the first pads 66a (see FIG. 4) and the remaining half of the second pads 66b (see FIG. 5) are alternately arranged in the circumferential direction of the stationary drum 90.
- the first pad 66a is directly connected to a shaft member 62a that is rotatably supported by the first moving member 60a.
- a mechanism for transmitting rotation is provided between the shaft member 62a and the first pad 66a. Absent. Therefore, it is possible to simplify the configuration in which the rotation of the shaft member 62a is transmitted to rotate the pad 66a.
- the first to fifth gears 81 to 85 of the pad rotating mechanism 60b are excellent in durability as compared with a belt, a chain, or the like, and are suitable for continuous operation for a long time.
- the transport method includes first to fourth steps.
- the pads 66a and 66b are moved in the circumferential direction of the outer peripheral surface 90a.
- the anvils arranged between the first and second pads 66a and 66b adjacent to each other are moved together with the first and second pads 66a and 66b.
- the first and second pads 66a and 66b moved by the first step start to hold the continuous web 2k at the receiving position 18c, and at the delivery position 18e The holding of the separated web is released, and the web is conveyed from the receiving position 18c to the delivery position 18e.
- the cam followers 64a and 64b that move together with the respective pads of the first and second pads 66a and 66b that are moved while holding the web in the second step are inserted into the cam groove 92. Rotation generated by engaging with each other is transmitted to each pad, and each pad is rotated following the cam groove 92, and the web is held by the difference in rotation between the first and second pads 66a and 66b.
- the direction of the web which was the same at the first and second pads 66a and 66b at the starting receiving position 18c, is different between the first pad 66a and the second pad 66b at the delivery position 18e where the holding of the web is released. Like that.
- the rotation of the first and second pads 66a and 66b following the cam groove 92 starts after passing the cutting position 18d between the receiving position 18c and the delivery position 18e, and the first and second pads 66a and 66b.
- the cutter 58 is urged to a predetermined position by the urging force from the compression coil spring 56, which is an urging member that is held by the rotating member 50a and arranged on the rotating member 50a, and the cutting edge 58a of the cutter 58 is urged.
- the rotating member 50a is rotated in synchronization with the web conveyance in the second step, and the web is scheduled to be cut between the first and second pads 66a and 66b adjacent to each other. Is cut between the cutting edge 58a of the cutter 58 and the anvils 14p to 14y at the cutting position 18d.
- the total number of the pads 66a and 66b is an even number.
- the angle difference between the first and second pads 66a and 66b when the first and second pads 66a and 66b rotate in opposite directions following the cam groove 92 is the first and second pads. Only one of 66a and 66b can be doubled when rotating following the cam groove 92. The first and second pads 66 a and 66 b can be rotated by the common cam groove 92. One of the first and second pads 66a and 66b, that is, half of the pads may be provided with a mechanism for converting the rotation in the reverse direction. Therefore, it is possible to alternately change the direction of the transported object when the transported object is delivered with a simple configuration.
- the direction can be changed alternately and delivered. Even when the distance between the blade edge 58a of the cutter 58 and the anvils 14p to 14y or the contact of the blade edge 58a of the cutter 58 changes due to vibration or thermal deformation during operation when the web 2k is cut, it is within the appropriate adjustment range. Can be kept. Therefore, long-time continuous operation becomes easy.
- the same number of first and second pads 66a and 66b that are held in the circumferential direction of the outer peripheral surface 90a along the outer peripheral surface 90a of the stationary drum 90 are held.
- the second moving members 60a and 60b are moved in the circumferential direction of the outer peripheral surface 90a.
- pad rotating mechanisms 68a and 68b are provided on the moving members of the first and second moving members 60a and 60b.
- the pad rotating mechanisms 68a and 68b include cam followers 64a and 64b that engage with the cam grooves 92, and are rotatably supported by the moving members and include shaft members 62a and 62b that move together with the moving members.
- the pads 66a and 66b held by the moving members are rotated around the rotation axis extending in the radial direction of the outer peripheral surface 90a of the stationary drum 90.
- the first and second pads 66a and 66b are moved in the circumferential direction of the outer peripheral surface 90a of the stationary drum 90 or rotated in the radial direction of the outer peripheral surface 90a of the stationary drum 90 with a simple configuration. It can be rotated around the axis.
- a cam such as a streak protruding from the outer peripheral surface 90a of the stationary drum 90, a rack-like tooth shape, or the like may be formed as the guide portion.
- the outer peripheral surface on which the guide portion such as the cam groove 92 is formed may be a virtual surface.
- the engaging part is not limited to the cam follower as long as it engages with the guide part and rotates, and may be a gear or the like.
- the pad rotation mechanism is not limited to a gear train, and may include a pulley, a timing belt, a link mechanism, and the like. In the pad rotation mechanism, the engaging portion and the pad may be coupled eccentrically instead of being coaxial. You may hold
- Example 2 The conveyance apparatus and conveyance method of Example 2 will be described with reference to FIG.
- the transport apparatus according to the second embodiment is configured in substantially the same manner as the transport apparatus according to the first embodiment. Below, it demonstrates centering around difference with Example 1, and uses the same code
- FIG. 7 is a schematic diagram of the transfer apparatus 10a according to the second embodiment. As shown in FIG. 7, the transport apparatus 10a of the second embodiment does not include the anvils 14p to 14y and the cutting unit 50 (see FIG. 1) of the transport apparatus 10 of the first embodiment.
- the transport device 10a sequentially receives, in the pads 12p to 12y, the individual objects to be transported that are transported in the direction indicated by the arrow 6p along the transport path 3, and the pads 12p to 12y receive the objects while transporting the objects to be transported. Alternately rotate in the opposite direction. As a result, the direction of the object to be conveyed is alternately changed and delivered to the subsequent apparatus 4k.
- the conveyance method of Example 2 does not include the fourth step of cutting the continuous web 2k during the conveyance.
- An anvil is not required.
- the first and second pads may start rotating to follow the cam groove 92 at any timing during the movement from the receiving position to the delivery position.
- Example 3 The conveyance apparatus and the conveyance method of Example 2 are demonstrated referring FIG.8 and FIG.9.
- the transport apparatus according to the third embodiment is configured in substantially the same manner as the transport apparatus 10a according to the second embodiment. Below, it demonstrates centering around difference with the conveying apparatuses 10 and 10a of Example 1 and Example 2, and a conveying method.
- FIG. 8 is a cross-sectional view of the main part of the first moving member 60a of the transport apparatus according to the third embodiment. As shown in FIG. 8, a pad 66a is fixed to the first moving member 60a. The pad 66a does not rotate even when the first moving member 60a moves. That is, the first moving member 60a is not provided with a pad rotation mechanism.
- the pad rotation mechanism 68c has the second gear 82 of the pad rotation mechanism 68b of the first embodiment shown in FIG. 6 except that the first gear 81 and the third gear 83 are directly meshed with each other.
- the configuration is the same as the pad rotation mechanism 68b of the first embodiment.
- the transport method of the third embodiment is different from the transport methods of the first and second embodiments.
- only one of the first and second pads 66a and 66b is used by using a pad rotating mechanism.
- the cam groove 92 is followed and rotated.
- the transport apparatuses and transport methods of Embodiments 1 to 3 can be delivered by changing the direction of the transported object alternately with a simple configuration.
- the first pad is fixed to the other end of the shaft member rotatably supported by the first moving member.
- the first moving member is rotated in the same direction as the shaft member. You may provide the rotation transmission mechanism which transmits to a pad.
- ⁇ A configuration without a stationary drum is also possible.
- the cylindrical outer peripheral surface on which the guide portion is formed may be a virtual surface.
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Abstract
Description
11 回転体(駆動部材)
12p~12y パッド
14p~14y アンビル
52 回転部材
56 圧縮コイルばね(付勢部材)
58 カッター
58a 刃先
60a,60b 移動部材
62a,62b 軸部材
64a,64b カムフォロア(係合部)
66a 第1のパッド
66b 第2のパッド
68a パッド回転機構(同方向パッド回転機構)
68b パッド回転機構(逆方向パッド回転機構)
68c パッド回転機構
81 第1の歯車
82 第2の歯車
83 第3の歯車
84 第4の歯車
85 第5の歯車
90 静止ドラム
90a 外周面
92 カム溝(案内部)
Claims (10)
- 円筒状の外周面に形成された案内部と、
前記外周面に沿って配置され前記外周面の周方向に移動する複数の第1の移動部材と、
互いに隣接する前記第1の移動部材の間に配置され、前記第1の移動部材とともに前記周方向に移動する、前記第1の移動部材と同じ個数の第2の移動部材と、
前記第1及び第2の移動部材にそれぞれ保持され前記第1及び第2の移動部材とともに移動し、受取位置において被搬送物の保持を開始し、引渡位置において前記被搬送物の保持を解除する複数のパッドと、
(a)前記第1及び第2の移動部材のいずれか一方又は両方の各移動部材にそれぞれ設けられ、(b)前記各移動部材に回転可能に支持され前記各移動部材とともに移動し、前記案内部に係合する係合部を有し、前記各移動部材の移動に伴って回転する軸部材を含み、(c)前記軸部材の回転によって前記各移動部材に保持された前記パッドを、前記外周面の径方向に延在する回転軸心まわりに回転させ、前記第1の移動部材に保持された前記パッドと前記第2の移動部材に保持された前記パッドとの回転の違いによって、前記受取位置では前記パッドで同じであった前記被搬送物の向きを、前記引渡位置では、前記第1の移動部材に保持された前記パッドと前記第2の移動部材に保持された前記パッドとで異なるようにする複数のパッド回転機構と、
を備えたことを特徴とする、搬送装置。 - 前記被搬送物は、連続しているウエブであり、
互いに隣接する前記第1及び第2の移動部材の間に配置され、前記第1及び第2の移動部材とともに前記周方向に移動する複数のアンビルと、
前記パッドに保持されながら移動する前記ウエブに、間隔を設けて対向し、前記アンビルの移動と同期しながら回転する回転部材と、
前記回転部材に保持され、前記回転部材の外側に突出する刃先を有し、前記回転部材の回転に伴って前記刃先が前記アンビルに対向するカッターと、
をさらに備え、
前記ウエブのうち前記パッドに保持され互いに隣接する前記パッドの間に延在する部分が前記カッターの前記刃先と前記アンビルとの間に挟まれて切断されることを特徴とする、請求項1に記載の搬送装置。 - 前記パッド回転機構は、歯車を介して前記軸部材の回転を前記パッドに伝達することを特徴とする、請求項1又は2に記載の搬送装置。
- 前記パッド回転機構は、
前記第1の移動部材に設けられ、前記軸部材の回転を同じ方向のまま前記第1の移動部材に保持された前記パッドに伝達する同方向パッド回転機構と、
前記第2の移動部材に設けられ、前記軸部材の回転を逆方向に変換して前記第2の移動部材に保持された前記パッドに伝達する逆方向パッド回転機構と、
を含み、
前記第1の移動部材に保持された前記パッドと前記第2の移動部材に保持された前記パッドとは、互いに逆方向に回転することを特徴とする、請求項1乃至3のいずれか一つに記載の搬送装置。 - 前記第1の移動部材に保持された前記パッドは、前記同方向パッド回転機構の前記軸部材に同軸に固定され、
前記第2の移動部材に保持された前記パッドは、前記逆方向パッド回転機構の前記軸部材と同軸かつ相対回転可能に、前記第2の移動部材に保持されていることを特徴とする、請項4に記載の搬送装置。 - 前記逆方向パッド回転機構は、
前記第2の移動部材に保持された前記軸部材と一体に回転する第1の歯車と、
前記第2の移動部材に保持された前記第2のパッドと一体に回転する第5の歯車と、
前記第2の移動部材に回転可能に支持され、前記第1の歯車と噛み合う第2の歯車と、
前記第2の移動部材に回転可能に支持され、前記第5の歯車と噛み合う第4の歯車と、
前記第2の歯車と前記第4の歯車とのいずれか一方に噛み合うとともに、他方と同軸かつ一体に回転する第3の歯車と、
を含むことを特徴とする、請求項5に記載の搬送装置。 - 案内部が形成された円筒状の外周面に沿って、前記外周面の周方向に交互に配置された同じ個数の第1及び第2のパッドを、前記周方向に移動させる第1のステップと、
前記第1のステップによって移動している前記第1及び第2のパッドに、受取位置において被搬送物の保持を開始させ、引渡位置において前記被搬送物の保持を解除させて、前記被搬送物を前記受取位置から前記引渡位置まで搬送する第2のステップと、
前記第2のステップによって前記被搬送物を保持しながら移動している前記第1及び第2のパッドのいずれか一方又は両方の各パッドについて、前記各パッドとともに移動する係合部を前記案内部に係合させることによって発生させた回転を前記各パッドに伝達して前記各パッドを前記案内部に追従して回転させ、前記第1及び第2のパッドの回転の違いによって、前記受取位置では前記第1及び第2のパッドで同じであった前記被搬送物の向きを、前記引渡位置では前記第1のパッドと前記第2のパッドとで異なるようにする第3のステップと、
を備えたことを特徴とする、搬送方法。 - 前記第3のステップにおいて、前記第1及び第2のパッドを、前記案内部に追従して互いに逆方向に回転させることを特徴とする、請求項7に記載の搬送方法。
- 前記第1のステップにおいて、互いに隣接する前記第1及び第2のパッドの間にそれぞれ配置された複数のアンビルを、前記第1及び第2のパッドとともに前記外周面の前記周方向に移動させ、
前記第2のステップにおいて、前記第1及び第2のパッドが保持を開始する前記被搬送物は、連続しているウエブであり、
前記第3のステップにおいて、前記各パッドが前記受取位置と前記引渡位置との間の切断位置を通過した後に、前記各パッドの前記案内部に追従する回転が始まり、
カッターを回転部材によって保持し前記回転部材に配置した付勢部材からの付勢力によって前記カッターを所定位置まで付勢して前記カッターの刃先を突出させた状態で、前記第1のステップにおける前記アンビルの移動と同期して前記回転部材を回転させ、前記切断位置において、前記第2のステップによって搬送されている前記ウエブのうち互いに隣接する前記第1及び第2のパッドの間に延在する部分を、前記カッターの前記刃先と前記アンビルとの間に挟んで切断する第4のステップを、さらに備え、
前記第4のステップにおいて、前記付勢部材は、前記カッターの前記刃先に前記付勢力より大きい反力が作用したときに前記カッターが前記所定位置から後退することを許容することを特徴とする、請求項7又は8に記載の搬送方法。 - 前記第1のステップにおいて、前記第1及び第2のパッドをそれぞれ保持し前記外周面に沿って前記周方向に交互に配置された第1及び第2の移動部材を、前記周方向に移動させることを特徴とする、請求項7乃至9のいずれか一つに記載の搬送方法。
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CN107709202A (zh) * | 2015-07-02 | 2018-02-16 | 新兴机械株式会社 | 运送装置 |
CN106044348B (zh) * | 2016-07-29 | 2017-05-17 | 黄山富田精工制造有限公司 | 一种用于卫生制品生产设备上的传送装置 |
ES2881715T3 (es) * | 2017-12-15 | 2021-11-30 | Andrea Bernacchi | Una unidad de transporte de rodillos para transportar una lámina mediante aspiración |
IT201800002271A1 (it) | 2018-01-31 | 2019-07-31 | Gdm Spa | Unità di alimentazione di componenti trattenuti per aspirazione in una macchina confezionatrice automatica |
IT201800002270A1 (it) | 2018-01-31 | 2019-07-31 | Gdm Spa | Unità di alimentazione di componenti in una macchina confezionatrice automatica |
IT201800002272A1 (it) | 2018-01-31 | 2019-07-31 | Gdm Spa | Unità di alimentazione di componenti in una macchina confezionatrice automatica. |
IT201800005102A1 (it) * | 2018-05-07 | 2019-11-07 | Dispositivo di trattamento e di applicazione di spezzoni di confezionamento di articoli assorbenti | |
IT201800005900A1 (it) * | 2018-05-31 | 2019-12-01 | Giostra per il trasporto di articoli | |
US11618177B1 (en) | 2022-04-12 | 2023-04-04 | Bradley W Boesel | Orbital knife |
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EP3067172B1 (en) | 2019-12-04 |
US20160256331A1 (en) | 2016-09-08 |
JPWO2015068641A1 (ja) | 2017-03-09 |
EP3067172A4 (en) | 2017-07-19 |
EP3067172A1 (en) | 2016-09-14 |
JP6168371B2 (ja) | 2017-07-26 |
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