WO2006033370A1 - トランスファー装置 - Google Patents
トランスファー装置 Download PDFInfo
- Publication number
- WO2006033370A1 WO2006033370A1 PCT/JP2005/017422 JP2005017422W WO2006033370A1 WO 2006033370 A1 WO2006033370 A1 WO 2006033370A1 JP 2005017422 W JP2005017422 W JP 2005017422W WO 2006033370 A1 WO2006033370 A1 WO 2006033370A1
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- WO
- WIPO (PCT)
- Prior art keywords
- transfer
- work
- bearings
- inner ring
- speed
- Prior art date
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Classifications
-
- 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
-
- 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
-
- 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
- B65G29/00—Rotary conveyors, e.g. rotating discs, arms, star-wheels or cones
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C19/00—Bearings with rolling contact, for exclusively rotary movement
- F16C19/54—Systems consisting of a plurality of bearings with rolling friction
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C19/00—Bearings with rolling contact, for exclusively rotary movement
- F16C19/54—Systems consisting of a plurality of bearings with rolling friction
- F16C19/55—Systems consisting of a plurality of bearings with rolling friction with intermediate floating or independently-driven rings rotating at reduced speed or with other differential ball or roller bearings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C35/00—Rigid support of bearing units; Housings, e.g. caps, covers
- F16C35/04—Rigid support of bearing units; Housings, e.g. caps, covers in the case of ball or roller bearings
- F16C35/06—Mounting or dismounting of ball or roller bearings; Fixing them onto shaft or in housing
- F16C35/061—Mounting or dismounting of ball or roller bearings; Fixing them onto shaft or in housing mounting a plurality of bearings side by side
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/67—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere
- H01L21/67005—Apparatus not specifically provided for elsewhere
- H01L21/67011—Apparatus for manufacture or treatment
- H01L21/67144—Apparatus for mounting on conductive members, e.g. leadframes or conductors on insulating substrates
Definitions
- the present invention relates to a transfer apparatus for transferring a transfer work to a carrier work.
- a transfer device that transfers a small piece of transfer work to a predetermined position on the surface of a carrier work.
- a transfer device for example, there is a device provided with a transfer head that holds and moves around a transfer work.
- the transfer work can be received and transferred to the carrier work with high accuracy (for example, , See Patent Document 1.)
- the conventional transfer device has the following problems. In other words, there is a problem that the transfer efficiency cannot be sufficiently increased due to the temporary stop of the orbiting operation of the transfer head.
- Patent Document 1 Japanese Patent Laid-Open No. 10-145091
- the present invention has been made in view of the problems of the conventional transfer device described above, and is intended to provide a transfer device having high transfer efficiency.
- the first invention is the first transport means for holding and transporting the transfer work, the second transport means for holding and transporting the carrier work, and the transfer from the first transport means.
- a transfer device including a transfer means for receiving a workpiece and transferring it to the carrier workpiece,
- the transfer means has two or more end effectors that circulate on the same circumference and convey the transfer work, so that each end effector circulates independently of at least one of the other end effectors.
- Each of the end effectors includes a holding surface for holding the transfer workpiece, and is configured to be able to advance and retract the holding surface along the circumferential axis of each of the end effectors. It is in.
- each end effector can circulate independently of at least one of the other end effectors. Therefore, according to each of the end evaporators, it is possible to efficiently receive the transfer work while responding to changes in the transfer speed, transfer position, and the like of the transfer work by the first transfer means. According to each end effector, the transfer work can be transferred with high accuracy corresponding to the transfer speed of the carrier work, the target transfer position, and the like by the second transfer means. Therefore, according to the transfer apparatus, it is possible to maintain high positional accuracy without stopping the end effector when the transfer work is received or delivered.
- each end effector of the first invention is configured such that the holding surface for holding the transfer work can be advanced and retracted along the rotation axis. Therefore, in the transfer apparatus, the holding surface is moved back and forth in accordance with the position of the transfer work transferred by the first transfer means, the position shift of the carrier work in the second transfer means, and the like. Can do. Therefore, according to the transfer device, the transfer work can be transferred with higher positional accuracy.
- the transfer work can be transferred efficiently without temporarily stopping the end effectors. Furthermore, according to each end effector, the holding surface can be moved back and forth along the rotation axis, so that the transfer work can be transferred with high positional accuracy.
- the second invention is the first transport means for holding and transporting the transfer work, the second transport means for holding and transporting the carrier work, and the transfer from the first transport means.
- a transfer device including a transfer means for receiving a workpiece and transferring it to the carrier workpiece,
- the transfer means has two or more end effectors that circulate on the same circumference and convey the transfer work, so that each end effector circulates independently of at least one of the other end effectors.
- Each end effector includes a holding surface for holding the transfer workpiece, and the holding surface force is configured to be rotatable about a central axis in a normal direction thereof. It is in.
- each end effector can circulate independently of at least any other end effector, as in the first invention. For this reason, as in the first aspect of the invention, it is possible to ensure high positional accuracy without stopping the end effector when the transfer work is received or delivered.
- the holding surface can be rotated around the central axis in the normal direction. Therefore, in the transfer apparatus, the holding surface can be appropriately rotated according to the posture of the transfer workpiece conveyed by the first conveying means and the posture of the carrier work in the second conveying means. it can. Therefore, according to the transfer device, the transfer work can be transferred with higher positional accuracy.
- the transfer work can be efficiently transferred without temporarily stopping the end effectors. Furthermore, according to each end effector, the holding surface can be rotated, so that the transfer work can be transferred with very high accuracy.
- FIG. 1 is a configuration diagram showing a transfer device according to a first embodiment.
- FIG. 2 is an explanatory diagram for explaining the arrangement of the transfer work with respect to the carrier work in Example 1.
- FIG. 3 is a front view showing transfer means in Embodiment 1.
- Example 4 is a cross-sectional view showing the cross-sectional structure of the transfer means in Example 1 (a cross-sectional view taken along line AA in FIG. 2).
- FIG. 5 is a perspective view showing the assembly structure of the coaxial rotating body in the first embodiment.
- FIG. 6 is an enlarged cross-sectional view showing an enlarged peripheral structure of the holding surface in Example 1 (enlarged view of portion B in FIG. 4).
- FIG. 7 is a front view of a holding surface in Example 1 (a view taken in the direction of arrow C in FIG. 6).
- FIG. 8A is a cross-sectional view showing coaxial rotating bodies individually in Example 1.
- FIG. 8B is a cross-sectional view individually showing the coaxial rotating body in the first embodiment.
- FIG. 8C is a cross-sectional view showing coaxial rotating bodies individually in Example 1.
- FIG. 9 is an explanatory view showing end effectors arranged on the same circumference in Example 1.
- FIG. 10 is a graph illustrating the orbiting motion of the end effector in Example 1.
- FIG. 11 is a graph for explaining the circular motion of a single end effector in the first embodiment.
- FIG. 12 is a configuration diagram showing a cross-sectional structure of transfer means in Example 2.
- FIG. 13 is an enlarged cross-sectional view showing a guide groove in Example 2 (a cross-sectional view taken along line DD in FIG. 12).
- FIG. 14 is a configuration diagram showing another transfer apparatus according to the third embodiment.
- each of the end effectors can circulate independently of at least any other end effector. Therefore, for example, the transfer work can be received and delivered with a higher degree of freedom and higher efficiency than when all the end effectors circulate together.
- speed control of the end effector during orbiting motion is performed in the transfer device. Then, the end position of the end effector can be controlled. And the timing which each said end effector receives the said transfer workpiece
- variation in the position of the conveyance direction of the said transfer workpiece in the said 1st conveyance means can be absorbed, and the said transfer workpiece can be transferred with high position accuracy with respect to the said carrier workpiece.
- the operational effects of the present invention can be further improved.
- the timing at which the transfer work is transferred to the carrier work can be adjusted by controlling the turn positions of the end effectors during the turn movement. For this reason, the transfer accuracy of the transfer work relative to the carrier work can be improved.
- the operation of the transfer means disposed between the first transport means and the second transport means can be transferred to the carrier work with high accuracy and high efficiency while absorbing variations in the transfer work position of the transfer work in the first transfer means. Monkey.
- the transfer device of the first and second inventions includes a plurality of the end effectors that circulate on the same circumference. If the plurality of end effectors are used, the transfer work can be transferred very efficiently while suppressing the circulation speed of each end effector. For example, if the above-described six end effectors whose rotation is controlled independently are used, the transfer work can be transferred at a high-speed cycle of 1Z6, which is the circulation cycle of each end effector.
- the transfer device of the first and second inventions can be used in, for example, a manufacturing process of RF-TAG and a manufacturing process of a paper diaper, a sanitary napkin, a tampon, or the like.
- the transfer device in the RF-TAG manufacturing process, can be used for the process of transferring the interposer to the antenna sheet.
- the above transfer device for the process of transferring adhesive tapes, water absorbent pads, etc. to a non-woven fabric such as polyethylene, etc. it can.
- the holding surface is rotatable around the central axis in the normal direction. It is preferred to be structured so that it works!
- the holding surface can be appropriately rotated in accordance with the posture of the transfer work transferred by the first transfer means and the posture of the carrier work in the second transfer means. Therefore, according to the transfer device, the transfer work can be transferred with higher positional accuracy.
- the transfer device has a control means for controlling a circulation speed and a circulation position when each of the end effectors orbits.
- the control means controls the first conveying means force so that the revolving speed of the end effector when receiving the workpiece substantially coincides with the conveying speed of the first conveying means, and the second conveying means. It is preferable that the circuit is configured such that the circulating speed of the end effector when delivering the workpiece to the conveying means is substantially matched with the conveying speed of the second conveying means! /.
- each end effector that circulates on the same circumference is synchronized with the transport operation of the first transport means while maintaining the respective circulation order, and the relative speed is substantially zero.
- the transfer work can be received from the first transport means. Thereafter, each of the end effectors can deliver the transfer work to the second transfer means in a state where the relative speed is substantially zero in synchronization with the transfer operation of the second transfer means.
- the transfer device when the transfer work is received from the first transport unit, the relative speed between the first transport unit and the end effector is substantially zero. In addition, when the transfer work is delivered toward the second transfer means, the relative speed between the second transfer means and the end effector is substantially zero. Therefore, the transfer means continuously receives the transfer work that is continuously conveyed without stopping the revolving operation of the end effector, and then receives the transfer work that has been received. It can be continuously delivered to the transport means.
- the transfer device In the transfer device, the relative speed between each of the transfer means and the end effector when the workpiece is received or delivered is substantially zero. Therefore, the transfer device can transfer the transfer work with extremely high accuracy, There is very little risk of damaging the transfer workpiece during transport.
- the transfer means includes a coaxial rotating body that integrally holds one or more end effectors that circulate integrally, and a shaft that rotatably supports at least two or more of the coaxial rotating bodies.
- a coaxial rotating body that integrally holds one or more end effectors that circulate integrally
- a shaft that rotatably supports at least two or more of the coaxial rotating bodies.
- Three or more bearings arranged coaxially next to each other, each bearing having a substantially cylindrical inner ring, a substantially cylindrical outer ring arranged so as to be extrapolated to the inner ring, and the inner ring And a bearing mechanism that enables relative rotation between the outer ring and the outer ring,
- the inner ring force of one or more intermediate bearings arranged in the middle in the axial direction of the bearings is configured to rotate integrally with the outer ring of another adjacent bearing.
- One of the coaxial rotating bodies is held together,
- One of the bearings arranged at the axial end of each of the bearings is configured such that the inner ring is connected to the outer ring of another adjacent bearing and is rotated integrally.
- One of the coaxial rotating bodies is integrally held, and the outer ring is fixed to the structural member of the transfer means.
- the other of the bearings arranged at the end in the axial direction among the bearings is configured such that the outer ring is connected to the inner ring of another adjacent bearing and is rotated integrally.
- the inner ring is fixed to the structural member of the transfer means,
- the outer rings integrally connected to the inner rings of the adjacent bearings are preferably connected to output shafts of external motors that are independently controlled in rotation.
- an integral bearing structure composed of a plurality of bearings can be realized by connecting the inner ring of one of the adjacent bearings and the outer ring of the other bearing. That is, it is possible to realize a structure in which each of the coaxial rotating bodies supports another coaxial rotating body. Further, if such a support structure is realized, the coaxial motor and the integral end effector integrally held by the inner ring can be rotationally driven by the rotational driving force supplied to the outer ring. .
- the rotational driving force is applied from three directions, the external pressure (stress) applied to the shaft acting on each bearing can be averaged and suppressed. .
- a servo control system prime mover can be used, and a direct drive mechanism that can realize high-precision control may be used.
- the output shaft of the external motor and the outer ring can be directly connected or indirectly connected via a gear or a timing belt.
- the transfer device preferably includes a first measuring unit for detecting a transport position and a transport speed of the transfer cake transported by the first transport unit. Yes.
- the revolving motion of the end effector can be controlled based on the transfer position and transfer speed of the transfer work in the first transfer means.
- the transfer workpiece can be received at a higher speed and with higher accuracy than in the case where the end effector is controlled using indirect information such as the control information of the first conveying means.
- a second measuring unit for detecting a target transfer position on the surface of the carrier work of the second transport means and a moving speed thereof is provided.
- the revolving motion of the end effector can be controlled based on the target transfer position on the surface of the carrier work or the moving speed thereof.
- the transfer work can be transferred with higher speed and higher accuracy than in the case where the end effector is controlled using indirect information such as the control information of the second transfer means.
- a third measuring unit for detecting the posture and position of the transfer work held on the holding surface of the end effector is provided.
- the posture and position of the transfer workpiece on the holding surface can be detected using the third measuring unit. And based on this detection result, the position shift etc. of the said transfer workpiece can be suppressed by adjusting the attitude
- first and second transport means include the first and second transport means including a rotating body that rotates or a conveyor belt that translates, and the rotating body or the conveyor belt. It is preferable that the transfer work or the carrier work be placed on the surface and transported.
- the transfer device can be configured with high transport efficiency by using the cylindrical body or the conveyor belt.
- the transfer work is an interposer in which an IC chip for RF-TAG is mounted and an enlarged electrode electrically extended from the electrode of the IC chip is formed.
- the carrier work is a wireless An antenna sheet in which an antenna pattern for communication is formed on a sheet substrate is preferable.
- This example relates to the transfer apparatus 1 that transfers the transfer work 2 to the carrier work 21. This will be described with reference to FIGS.
- the transfer apparatus 1 of the present example includes a first transfer means 3 that holds and transfers the transfer work 2, a second transfer means 5 that holds and transfers the carrier work 21, and a first transfer means 5. It includes a transfer means 6 for receiving the transfer work 2 from the first transfer means 3 and transferring it onto the carrier work 21 of the second transfer means 5.
- the transfer means 6 has two or more end effectors 71 to 76 that circulate on the same circumference and convey the transfer work 2.
- Each end effector 71 to 76 is independent of at least one of the other end effectors. It is comprised so that it may go around.
- Each end effector 71 to 76 has a holding surface 70s for holding the transfer workpiece 2, and the holding surface 70s can be moved back and forth along the rotation axis CL (see FIG. 4) of each end effector 71 to 76. It is constituted as follows.
- the transfer device 1 of this example is for manufacturing an RF-TAG.
- the RF-TAG part formed with the antenna 41 as shown in FIG. 2 is used as the carrier work 21, and the electronic parts for RF reception / transmission processing are used as the transfer work 2 so that the transfer process is performed. It is configured.
- the carrier work 21 has an antenna 41 on the surface of a film member made of a material PET.
- Transfer work 2 is an interposer in which an IC for RF transmission / reception processing is mounted on the surface of the resin sheet and an enlarged electrode is provided.
- the carrier work 21 is provided with a pair of terminals 42 extending from an antenna 41, and the transfer work 2 is mounted between the terminals 41.
- an accuracy of several hundred microns and several tens of microns was realized as the placement accuracy of the transfer workpiece 2 with respect to the carrier workpiece 21.
- the first transfer means 3 is a substantially cylindrical rotating body as shown in Fig. 1 and is configured to hold the transfer work 2 on its outer peripheral surface.
- the first transfer means 3 is configured to receive the transfer work 2 from the adjacent transfer work supply apparatus 30 and then transfer the transfer work 2 to the transfer means 6.
- the transfer work supply device 30 is configured to feed the continuous tape holding the transfer work 2 with a substantially cylindrical roller. Instead of this, the transfer work supply device 30 can be configured as an individualized supply device that cuts the continuous sheet material force transfer work 2 into pieces and supplies them to the first conveying means 3.
- the first transfer means 3 is configured to deliver the transfer work 2 to the end effector (in the figure, reference number 71 end effector) at a point P1 as shown in FIG.
- the first transfer means 3 is configured to hold the transfer work 2 on the outer surface at substantially constant intervals.
- a hole (not shown) communicating with the suction port of the pump is provided on the surface of the first conveying means 3 made of a rotating roller, not shown. Then, the first conveying means 3 sucks and holds the transfer work 2 by making the hole on the surface of the rotating roller a negative pressure.
- the transfer work 2 is opened by setting the hole on the surface of the rotating roller to positive pressure or atmospheric pressure.
- the first transport means 3 is controlled to operate at a substantially constant speed by a drive source and a drive control system (not shown).
- the second conveying means 5 has a conveyor belt 51 as shown in FIG. Then, the second conveying means 5 is provided with a substantially constant interval on the surface of the conveyor belt 51. The workpiece 21 is held and transported.
- the surface of the conveyor belt 51 is provided with a hole (not shown) communicating with a suction port of a pump (not shown).
- the second transport means 5 is configured to suck and hold the carrier work 21 by making the hole on the surface of the conveyor belt 51 negative pressure.
- the second transport means 5 is controlled to operate at a substantially constant speed by a drive source and a drive control system, not shown! .
- the individual carrier work 21 is held on the conveyor belt 51 and conveyed.
- the transfer device 1 of this example includes an imaging device (measurement unit) 103 for photographing the transport state of the transfer work 2 being transported by the first transport means 3 and obtaining image data. Yes.
- this image data is subjected to image processing, and the transfer position and transfer speed of the transfer work 2 being transferred are detected.
- a control means (not shown) is configured to control the revolving motion of each end effector 71 to 76 based on the detected transport position and transport speed.
- the transfer device 1 of the present example includes an imaging device (measuring unit) 106 that captures the state of the transfer work 2 held by the end effectors 71 to 76, and a second transporting device.
- An imaging device (measuring unit) 105 that captures the transfer state of the transfer work 2 in the means 5 is provided. Based on the image data photographed by the imaging devices 105 and 106, for example, it is possible to detect abnormalities such as an abnormal conveyance interval, a posture abnormality, and the presence of foreign matter of the transfer work 2 and the carrier work 21.
- an advance / retreat mechanism and a rotation mechanism were controlled based on image data obtained by the imaging devices 103, 105, and 106.
- the imaging means 103, 105, 106 a device including a CCD element or a CMOS element or a device including a low-cost optical sensor can be applied.
- the transfer means 6 is a combination of two transfer means 6a and 6b having the same specifications.
- the Each transfer means 6a (6b) is configured by combining three coaxial rotating bodies 10 as shown in FIGS.
- the transfer means 6a (6b) has structural members 60a, 60b, 60c as shown in FIGS. 3 and 4, and four bearings 80, 82, 84, 86 arranged on the same axis.
- a hollow shaft 60 which is a structural member, is disposed on the inner peripheral side of each of the bearings 80, 82, 84, 86.
- bearings 61, 63, 65 for supporting the circular motion of the coaxial rotating body 10 are arranged.
- the transfer means 6a (6b) has a structure in which the respective coaxial rotating bodies 10 support the other coaxial rotating bodies 10. Specifically, one of the axially adjacent bearings and the other outer ring are integrally connected via connecting members 91, 93, and 95. Of the combination of the inner ring and the outer ring connected via the connecting members 91, 93, 95, the coaxial rotating body 10 is fixed to the inner peripheral side of the inner ring, and the drive wheels 92, 94, 96 is fixed by extrapolation.
- the transfer means 6a (6b) of the present example configured as described above, the three-direction forces are equally spaced in the circumferential direction around the rotation axis CL, and rotate around the three drive wheels 92, 94, 96. Driving force is supplied. As a result, the directional force and external pressure are offset against the axial centers of the drive wheels 92, 94, and 96 of each coaxial rotating body 10.
- a general-purpose servo control system prime mover is coupled to each drive wheel 92, 94, 96 independently. This enables independent control of the orbiting motion of each coaxial rotating body 10 (end effector 71, 73, 75 (72, 74, 76)).
- Each coaxial rotating body 10 includes one end effector as shown in FIG.
- the end effectors 71, 73, and 75 (72, 74, and 76) are rod-shaped members that are substantially parallel to the rotation axis CL and are eccentric as shown in FIGS.
- the end effectors 71, 73, 75 (72, 74, 76) are rotatably supported so as to be able to circulate around the rotation axis CL.
- the outer peripheral side of the drive wheels 92, 94, 96 is an open space due to its structure. Therefore, various mechanisms can be provided on the outer peripheral side of the drive wheels 92, 94, 96.
- a direct drive mechanism that can perform more accurate control may be provided.
- a conductive ring is provided on the outer peripheral surface of the drive wheels 92, 94, 96 so that it can be rotated by a timing belt. There is a Mizochi groove (precision gear etc.).
- the coaxial rotating body 10 includes one end effector 71 to 76 as shown in FIGS. End-Effects 71, 73, 75 (72, 74, 76) This is a rod-like material arranged eccentrically so as to be substantially parallel to the rotation axis CL as shown in FIGS. End effectors 71, 73, and 75 (72, 74, and 76) are rotatably supported so as to be able to circulate around the rotation axis CL. As shown in Fig. 4, the end effectors 71, 73, 75 (72, 74, 76) have a holding surface 70s for adsorbing and holding the transfer work 2 (see Fig. 1) at its leading end. is doing.
- the holding surface 70s is provided with a hole for air pressure control, and is configured to hold the transfer work 2 by negative pressure adsorption. On the other hand, when the transfer work 2 was transferred to the second transfer means 5, the hole of the holding surface 70s was adjusted to atmospheric pressure or positive pressure. A structure for realizing the pressure control of the hole of the holding surface 70s will be described later.
- the end effectors 71, 73, and 75 (72, 74, and 76) are configured to rotate the holding surface 70s and to move the holding surface 70s back and forth along the rotation axis CL. It has an advancing and retracting mechanism
- the end effector 71 has its front end side (holding surface 70s side) fixed to the outer periphery of the outer ring 61b of the bearing 61 and the rear end side fixed to the inner periphery of the inner ring 80a of the bearing 80.
- the inner ring 80a of the bearing 80 is integrally connected to the outer ring 82b of the bearing 82 adjacent in the axial direction via a connecting member 91.
- a drive wheel 92 is fixed to the outer peripheral side of the outer ring 82b through a part of the connecting member 91.
- the end effector 73 has its front end side (holding surface 70s side) fixed to the outer periphery of the outer ring 63b of the bearing 63 and the rear end side fixed to the inner periphery of the inner ring 82a of the bearing 82.
- the inner ring 82 a of the bearing 82 is integrally connected to the outer ring 84 b of the bearing 84 that is adjacent in the axial direction via the connecting member 93.
- a drive wheel 94 is fixed to the outer peripheral side of the outer ring 84b via a part of the connecting member 93.
- the end effector 75 has its front end side (holding surface 70s side) fixed to the outer periphery of the outer ring 65b of the bearing 65 and the rear end side fixed to the inner periphery of the inner ring 84a of the bearing 84.
- the inner ring 84a of the bearing 84 is integrally connected to the outer ring 86b of the bearing 86 adjacent in the axial direction via a connecting member 95.
- a drive wheel 96 is fixed via a part of 5.
- the advance / retreat mechanism includes a support member 702 that forms the main body of the end effectors 71 to 76, a sliding member 701 that supports the holding base 703 with the holding surface 70s, and the sliding member. And a motor 705 fixed to the member 701 (the motor 705 is omitted in FIG. 4).
- the sliding member 701 is inserted into the hollow portion on the inner periphery of the support member 702 so as to be slidable.
- a rack gear 702L is provided on the outer peripheral surface of the support member 702.
- the worm gear 705W fitted to the output shaft of the motor 705 is engaged with the rack gear 702L.
- the forward / backward movement of the sliding member 701 can be controlled by controlling the rotation of the motor 705.
- the rotation mechanism has a holding surface 70s as shown in FIGS. 4, 6, and 7, and a holding base 703 rotatably supported by the sliding member 701, and a motor 704 fixed to the sliding member 701. (In FIG. 4, the motor 704 is omitted).
- the holding base 703 is a substantially disk-shaped member having a gear 703G provided on the outer peripheral surface.
- a gear 704P fitted to the output shaft of the motor 704 is engaged with the gear 703G of the holding base 703.
- the rotation mechanism is configured to rotate the holding base 703 and rotate the holding surface 70s by the rotation control of the motor 704.
- the transfer means 6a includes end effectors 71, 73, and 75.
- the transfer means 6b includes end effectors 72, 74, and 76. As shown in the figure, these two transfer means 6a and 6b are arranged to face each other so that all the end effectors 71 to 76 circulate on the same circumference.
- the end effectors 71 to 76 circulate on the same circumference. Each of the end effectors 71 to 76 is synchronized with the transfer operation of the first transfer means 3 while maintaining the rotating order of each other, and the workpiece 2 is transferred from the first transfer means 3 with the relative speed being substantially zero. receive. Thereafter, each of the end effectors 71 to 76 is configured to deliver the workpiece 2 to the second transfer means 5 in a state where the relative speed is substantially zero in synchronization with the transfer operation of the second transfer means 5.
- Each end effector 71 to 76 performs a circular motion on the same circumference, and receives and delivers it. Periodic shift control is performed independently during the orbital motion including the. Specifically, on the orbit of the end effector, timing adjustment (circulation position adjustment) for receiving and delivering the workpiece 2 and periodic shift control are performed for speed adjustment at that time.
- the suction mechanism (hole pressure control mechanism) of the holding surface 70s in the coaxial rotating body of this example will be described with reference to FIG.
- the end effector 71 receives the workpiece 2 from the first transport means 3 (rotation position Ql.), While the end effectors 72 and 73 are directed toward the second transport means 5. It is moving (rotational positions Q2, Q3), and the end effector 74 has delivered the workpiece 2 toward the second transfer means 5 (rotational position Q4).
- End effectors 75 and 76 are in the state of moving and rotating (respective rotation positions Q5 and Q6).
- a through hole 70b is provided on the end surface of the hollow shaft 60 of the transfer means 6a (b) along the rotation axis CL as shown in FIG.
- a suction port of a pump (not shown) is connected to the through hole 70b. Therefore, the hollow portion of the hollow shaft 60 is maintained at a negative pressure by the action of the pump.
- the outer peripheral wall surface of the hollow shaft 60 is provided with a through hole 70a penetrating in the radial direction.
- the bearings 61, 63, and 65 are provided with holes that penetrate in the radial direction and communicate with the hollow portions of the end effectors 71, 73, and 75 so as to communicate with the through hole 70a.
- the through-hole 70a in this example has the rotational position Q4 (from the rotational position Q1 (strictly, the position in front of Q1 so that the holding surface 70s attracts the workpiece 2 at the rotational position Q1). Strictly speaking, at the rotational position Q3, the holding surface 70s releases the work 2 and is positioned in front of Q4.) It is provided at a circumferential position.
- an atmospheric pressure introduction port (not shown) is provided at a predetermined circumferential position on the outer peripheral wall surface of the hollow shaft 60 so that atmospheric pressure is introduced through the hole of the bearing 61. ) Is provided.
- the pressure control of the hole of the holding surface 7 Os is automatically performed according to the rotation of the bearings 61, 63, 65 accompanying the rotation of the end effectors 71, 73, 75. Is done.
- FIG. 10 shows the change over time of the rotation angles of the end effectors 71-76.
- Each curve C1 to C6 corresponds to the movement of each end effector 71 to 76 in FIG. Also, the points ql to q6 on the graph at time tl correspond to the rotational positions Q1 to Q6 in FIG.
- the position (rotation position Q1) where the first conveying means 3 and the transfer means 6 in FIG. 1 contact is the origin of the rotation angle ⁇ , and the rotation direction is counterclockwise as shown in FIG.
- a cycle T1 in FIG. 10 is a cycle in which the first transport unit 3 supplies the transfer work 2 to the transfer unit 6 (work supply cycle).
- the workpiece supply cycle is a cycle determined by the conveyance speed of the first conveyance means 3 and the interval between the transfer workpieces 2 on the conveyor belt 31.
- FIG. 11 shows the time change of the rotation angle in the circular motion of the end effector 71.
- Time intervals al, a3, and a5 are intervals synchronized with the transfer operation of the first transfer means 3 or the transfer operation of the second transfer means 5 for receiving or delivering the transfer work 2.
- the In these time sections the speed is kept substantially constant so that the relative speed with respect to the transfer speed of the transfer work 2 is substantially zero.
- the time intervals a2 and a4 are intervals for increasing or decreasing the rotational speed of the end effector 71.
- the rotation position is adjusted in addition to the speed adjustment.
- This rounding position adjustment is performed, for example, when the transport speed by the second transport means 5 fluctuates as shown in FIG.
- the transport speed of the second transport means 5 fluctuates
- the rotation positions of the end effectors 71 to 76 are controlled.
- the control means processes the image data obtained by the imaging means 105 and recognizes the target transfer position in the second transport means 5.
- the image data obtained by the imaging means 106 is processed, and the position of each transfer work 2 held on each holding surface 70s of the transfer means 6 in the direction of the rotation axis CL (see FIG. 4) and Recognize posture.
- the control means of the transfer device 1 of this example is configured to control the advance / retreat amount of the holding surface 70s from the position of the target transfer position in the rotation axis CL direction and the position of the transfer work 2 in the rotation axis CL direction. Calculate Further, the control means calculates the rotation control amount of the transfer work 2 by the rotation mechanism based on the posture of the transfer work 2. The control means controls the motor 705 based on the calculated advance / retreat control amount and controls the motor 704 based on the calculated rotation control amount.
- the transfer device 1 of the present example can realize high-speed and high-accuracy transfer by independently controlling the rotational motion of the end effectors 71 to 76.
- the transfer work 2 can be transferred with high accuracy by controlling the rotation mechanism and the advance / retreat mechanism as described above.
- the transfer work 2 can be arranged on the carrier work 21 while continuously transferring the transfer work 2 without stopping. Therefore, RF-TAG with high manufacturing accuracy can be manufactured in large quantities and at low cost.
- the transfer device 1 of this example can be used not only for the manufacture of RF-TAG components but also for transferring and mounting electronic components on IC card components, for example.
- the RF-TAG IC itself can be used as the transfer work 2 described above.
- sanitary products such as disposable diapers and sanitary products
- the transfer device 1 of this example can also be used as production equipment used in the product manufacturing process.
- the transfer device 1 of the present example can be used for various compacting machines, printing machines, labelers, semiconductor manufacturing devices, and the like. For example, it can be applied to the manufacturing process of paper diapers, sanitary napkins, tampons, and face masks. Furthermore, labeling can be performed by using a label as a seal as a transfer work 2 and using various products such as sanitary products and foods such as snacks as a carrier work 21. Furthermore, if various products such as sanitary products and foods such as snacks are used as the transfer work 2 and the packaging film is used as the carrier work 21, the product can be packaged.
- force using the individualized carrier work 21 can be used instead of a sheet-like long material before being individualized.
- a marker indicating the target transfer position may be attached to the surface of the sheet-like long material, and this marker may be image-recognized.
- the transfer work 2 is transferred with high accuracy with respect to the carrier work 21 on the continuous sheet by controlling the circular motion of the end effectors 71 to 76 based on the target transfer position indicated by the marker. be able to.
- the antenna pattern can be used as a marker for image recognition. That is, as the marker, a symbol appearing on the surface of the carrier work 21 can be used.
- This example is an example in which the structure of the advance / retreat mechanism and the rotation mechanism of the holding surface 70s is changed based on the transfer device of the first embodiment. This will be explained with reference to Figs.
- the transfer device 1 of this example includes a guide member 707 for sliding the sliding members 701 of the end effectors 71 to 76.
- the guide member 707 has a guide groove 707m that regulates the position of the holding base 703 that rotates in the direction of the rotation axis CL.
- the guide member 707 is held by the structural member 60b so as to be able to advance and retract along the rotation axis CL.
- the position of the holding base 703 of the end effector 71 to 76 in the direction of the rotation axis CL is It works so as to be approximately coincident with the position of the groove 707m.
- the position of the guide member 707 in the rotation axis CL direction is controlled by a motor (not shown) disposed on the structural member 60b.
- the guide member 707 is disposed so that the guide groove 707m is positioned in a section between Q1 and Q4 (see FIG. 1) at the circulation positions of the end effectors 71 to 76. Further, the guide groove 707m has a curved shape that opens widely toward Q1, which is the upstream side in the circumferential direction.
- the sliding member 701 advances and retreats in the rotation axis CL direction due to the contact between the curved shape and the holding base 703, and the position of the holding base 703 in the rotation axis CL direction is changed. . As a result, the position of the holding surface 70s in the direction of the rotation axis CL is changed.
- the inner peripheral surfaces 710 and 720 facing each other in the guide groove 707m are independently pneumatically controlled projecting pins 711 so as to project appropriately toward the guide groove 707m.
- a plurality of 721 are arranged.
- the holding pedestal 703 of this example is rotatably supported with respect to the sliding member 701 via a 0.5 degree ratchet mechanism.
- the holding base 703 that is rotationally supported via the latch mechanism can be rotated clockwise by one step. Further, according to the projecting pins 721 projecting from the second inner peripheral surface 720, the holding base 703 can be rotated counterclockwise by one step.
- the rotation position of the holding base 703 is controlled in accordance with the number of the projecting pins 711 and 721 that project from the inner peripheral surfaces 710 and 720. Then, the rotational position of the holding surface 70s is changed by controlling the rotational position of the holding base 703.
- This example is an example in which a carrier work 21 is changed to a continuous sheet body and a mechanism for feeding a laminate film 22 is added based on the transfer apparatus of the first embodiment.
- the laminate film 22 is bonded to the surface of the carrier work 21 on which the transfer work 2 is arranged.
- the surface protection effect of the product can be obtained and weather resistance can be improved.
- an alignment marker or the like may be attached to the laminate film 22.
- the imaging device 107 by using the imaging device 107 and recognizing an image of the marker on the laminate film 22, it is possible to align with the carrier work 21 with high accuracy.
- a low-cost optical sensor such as a CCD element or a CMOS element can be applied.
- a continuous body (continuous sheet material) made of a nonwoven fabric forming a paper diaper fabric may be applied as the carrier work 21, and a water absorbent pad made of pulp may be applied as the work 2 set on the carrier work 21.
- the design effect of the paper diaper can be enhanced by printing the pattern on the laminate film 22.
- the laminating film 22 and the carrier work 21 can be aligned using a pattern. In other words, the feeding position is detected by recognizing the pattern of the laminate film 22 using the imaging device 107, and the laminate film 22 and the carrier work 21 can be accurately aligned.
- the transfer work 2 may be a snack or the like, and the carrier work 21 and the laminate film 22 may be a resin film such as polyethylene.
- a bag-like package can be applied by joining the edges of the film-like carrier work 21 and the laminate film 22 facing each other.
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- Manufacturing & Machinery (AREA)
- General Physics & Mathematics (AREA)
- Vascular Medicine (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Epidemiology (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Specific Conveyance Elements (AREA)
- Manipulator (AREA)
Abstract
Description
Claims
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2005800302354A CN101018722B (zh) | 2004-09-22 | 2005-09-21 | 转移装置 |
DE602005020330T DE602005020330D1 (de) | 2004-09-22 | 2005-09-21 | Übertragungsvorrichtung |
EP05785968A EP1801046B1 (en) | 2004-09-22 | 2005-09-21 | Transfer apparatus |
JP2006536403A JP4838136B2 (ja) | 2004-09-22 | 2005-09-21 | トランスファー装置 |
US11/575,738 US7721872B2 (en) | 2004-09-22 | 2005-09-21 | Transfer apparatus |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004275061 | 2004-09-22 | ||
JP2004-275061 | 2004-09-22 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2006033370A1 true WO2006033370A1 (ja) | 2006-03-30 |
Family
ID=36090127
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2005/017422 WO2006033370A1 (ja) | 2004-09-22 | 2005-09-21 | トランスファー装置 |
Country Status (7)
Country | Link |
---|---|
US (1) | US7721872B2 (ja) |
EP (1) | EP1801046B1 (ja) |
JP (1) | JP4838136B2 (ja) |
CN (1) | CN101018722B (ja) |
DE (1) | DE602005020330D1 (ja) |
TW (1) | TW200616873A (ja) |
WO (1) | WO2006033370A1 (ja) |
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EP1947037A1 (en) * | 2007-01-17 | 2008-07-23 | Fameccanica.Data S.p.A. | A device for changing the pitch between articles being conveyed and rotating these articles |
CN102849458A (zh) * | 2012-09-21 | 2013-01-02 | 浙江工业大学 | 气控自动下盒装置 |
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Also Published As
Publication number | Publication date |
---|---|
CN101018722B (zh) | 2011-09-07 |
TWI353956B (ja) | 2011-12-11 |
TW200616873A (en) | 2006-06-01 |
DE602005020330D1 (de) | 2010-05-12 |
US20080023296A1 (en) | 2008-01-31 |
EP1801046B1 (en) | 2010-03-31 |
EP1801046A1 (en) | 2007-06-27 |
EP1801046A4 (en) | 2008-12-24 |
CN101018722A (zh) | 2007-08-15 |
JPWO2006033370A1 (ja) | 2008-05-15 |
JP4838136B2 (ja) | 2011-12-14 |
US7721872B2 (en) | 2010-05-25 |
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