WO2018110121A1 - 邪魔板 - Google Patents
邪魔板 Download PDFInfo
- Publication number
- WO2018110121A1 WO2018110121A1 PCT/JP2017/038997 JP2017038997W WO2018110121A1 WO 2018110121 A1 WO2018110121 A1 WO 2018110121A1 JP 2017038997 W JP2017038997 W JP 2017038997W WO 2018110121 A1 WO2018110121 A1 WO 2018110121A1
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- WO
- WIPO (PCT)
- Prior art keywords
- baffle plate
- main body
- fluid
- recess
- flow forming
- Prior art date
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Classifications
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- 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
- H01L21/683—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 for supporting or gripping
- H01L21/6838—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 for supporting or gripping with gripping and holding devices using a vacuum; Bernoulli devices
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25J—MANIPULATORS; CHAMBERS PROVIDED WITH MANIPULATION DEVICES
- B25J15/00—Gripping heads and other end effectors
- B25J15/06—Gripping heads and other end effectors with vacuum or magnetic holding means
- B25J15/0616—Gripping heads and other end effectors with vacuum or magnetic holding means with vacuum
- B25J15/0683—Details of suction cup structure, e.g. grooves or ridges
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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
- B65G47/74—Feeding, transfer, or discharging devices of particular kinds or types
- B65G47/90—Devices for picking-up and depositing articles or materials
- B65G47/91—Devices for picking-up and depositing articles or materials incorporating pneumatic, e.g. suction, grippers
-
- 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
- B65G49/00—Conveying systems characterised by their application for specified purposes not otherwise provided for
- B65G49/05—Conveying systems characterised by their application for specified purposes not otherwise provided for for fragile or damageable materials or articles
- B65G49/06—Conveying systems characterised by their application for specified purposes not otherwise provided for for fragile or damageable materials or articles for fragile sheets, e.g. glass
- B65G49/061—Lifting, gripping, or carrying means, for one or more sheets forming independent means of transport, e.g. suction cups, transport frames
-
- 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
- B65G49/00—Conveying systems characterised by their application for specified purposes not otherwise provided for
- B65G49/05—Conveying systems characterised by their application for specified purposes not otherwise provided for for fragile or damageable materials or articles
- B65G49/06—Conveying systems characterised by their application for specified purposes not otherwise provided for for fragile or damageable materials or articles for fragile sheets, e.g. glass
- B65G49/063—Transporting devices for sheet glass
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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
- B65G49/00—Conveying systems characterised by their application for specified purposes not otherwise provided for
- B65G49/05—Conveying systems characterised by their application for specified purposes not otherwise provided for for fragile or damageable materials or articles
- B65G49/07—Conveying systems characterised by their application for specified purposes not otherwise provided for for fragile or damageable materials or articles for semiconductor wafers Not used, see H01L21/677
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- 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
- H01L21/67017—Apparatus for fluid treatment
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- 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
- H01L21/677—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 for conveying, e.g. between different workstations
- H01L21/67703—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 for conveying, e.g. between different workstations between different workstations
- H01L21/67712—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 for conveying, e.g. between different workstations between different workstations the substrate being handled substantially vertically
-
- 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
- H01L21/677—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 for conveying, e.g. between different workstations
- H01L21/67763—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 for conveying, e.g. between different workstations the wafers being stored in a carrier, involving loading and unloading
- H01L21/67778—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 for conveying, e.g. between different workstations the wafers being stored in a carrier, involving loading and unloading involving loading and unloading of wafers
-
- 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
- B65G2201/00—Indexing codes relating to handling devices, e.g. conveyors, characterised by the type of product or load being conveyed or handled
- B65G2201/02—Articles
- B65G2201/0214—Articles of special size, shape or weigh
- B65G2201/022—Flat
-
- 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
- B65G2249/00—Aspects relating to conveying systems for the manufacture of fragile sheets
- B65G2249/04—Arrangements of vacuum systems or suction cups
- B65G2249/045—Details of suction cups suction cups
Definitions
- the present invention relates to a baffle plate attached to a device that sucks material using the Bernoulli effect.
- Patent Document 1 describes a suction device that includes a swirl flow forming body that sucks a member to be sucked by forming a swirl flow in the recess and generating a negative pressure.
- the fluid flowing out from the recess flows between the baffle plate that inhibits the suction member from entering the recess provided in the swirl flow forming body, and the end surface and the baffle plate included in the swirl flow forming body.
- a connecting member that forms a flow path, and the sucked member can be stably sucked.
- the present invention has been made in view of the above technique, and is a baffle plate that is detachably attached to a fluid flow forming body that sucks an object to be sucked by forming a swirling flow or a radiating flow to generate a negative pressure. It aims at providing a baffle plate provided with a main part.
- the present invention forms a columnar main body, a flat end surface formed in the main body, a recess formed in the end surface, and a swirling flow of fluid in the recess.
- a baffle plate attached to a fluid flow forming body comprising fluid flow forming means for sucking an object to be sucked by generating a negative pressure by discharging a fluid into the recess to form a radial flow
- a baffle plate body that is provided so as to be detachable from the fluid flow forming body and that allows the fluid to be sucked by the negative pressure to pass therethrough, and inhibits the suction object from entering the recess, and one end side of the fluid flow forming body is attached to the body.
- a flow path for the Providing a baffle plate characterized in that it comprises a support member for supporting the baffle body.
- the baffle plate further includes a gap holding portion provided so as to hold a gap between the end surface and the baffle plate main body.
- the support member includes a claw portion that is hooked on a surface of the main body opposite to the end surface, and the gap holding portion sandwiches the main body between the claw portion, It is provided so as to form the flow path.
- the baffle plate main body is formed at a central portion of the baffle plate main body, and an opening for positioning the sucked object when a part of the sucked object is depressed, and the baffle And a hole formed around the opening so as to face the recess when the plate is attached to the fluid flow forming body.
- the support member is fixed to the main body by the elastic force of the support member.
- a baffle plate including a baffle plate body that is detachably attached to a fluid flow forming body that sucks an object to be sucked by forming a swirling flow or a radial flow to generate a negative pressure. it can.
- FIG. 1 is a perspective view of an example of a suction device 10.
- FIG. 2 is a sectional view taken along line AA in FIG. 1.
- FIG. 5 is a cross-sectional view taken along the line CC of FIG.
- FIG. 7 is a sectional view taken along the line DD in FIG. 6.
- FIG. 10A It is the perspective view of 10 A of suction devices seen from the direction different from FIG. It is a disassembled perspective view of 10 A of suction devices.
- FIG. 1 is a perspective view of an example of a suction device 10.
- FIG. 2 is a sectional view taken along line AA in FIG. 1.
- FIG. 5 is a cross-sectional view taken along the line CC of FIG.
- FIG. 7 is a sectional view taken along the line DD in FIG. 6.
- FIG. 10A It is the perspective view of 10 A of suction devices seen from the direction different from FIG. It is a disassembled perspective view of 10 A of suction devices.
- FIG. 9 is a cross-sectional view taken along the line EE of FIG. It is an enlarged view of the F section of FIG.
- FIG. 12 is a sectional view taken along line GG in FIG.
- FIG. 14 is a sectional view taken along line HH in FIG. 13.
- 3 is a perspective view showing an example of a lower surface of a swirl flow forming body 3.
- FIG. 3 is a perspective view showing an example of the upper surface of a swirl flow forming body 3.
- FIG. It is the II sectional view taken on the line of FIG.
- FIG. 19 is a perspective view of an example of suction device 10B.
- FIG. 19 is a perspective view of the suction device 10B as seen from a direction different from that in FIG. It is a perspective view of an example of the baffle plate 2C.
- FIG. 10C It is a perspective view of an example of suction device 10C. It is a side view of suction device 10C. It is an enlarged view of the J section of FIG. It is an enlarged view of an example of the step part 223. FIG. It is a perspective view of an example of suction device 10D.
- SYMBOLS 1, 1A, 3 Swirling flow formation body, 2, 2A, 2B, 2C, 2D, 2E ... Baffle plate, 3 ... Swirling flow formation body, 10, 10A, 10B, 10C, 10D ... Suction apparatus, 11 ... Main body, DESCRIPTION OF SYMBOLS 12 ... End surface, 13 ... Recessed part, 14 ... Jet port, 15 ... Inclined surface, 16 ... Supply port, 17 ... Annular channel, 18 ... Communication channel, 19 ... Supply channel, 21, 21A ... Baffle plate main body, 22, 22A, 22B, 22C ... support member, 31 ... main body, 32 ... through hole, 33 ... first end surface, 34 ...
- FIG. 1 is a perspective view of a suction device 10 according to a first embodiment.
- FIG. 2 is a perspective view of the suction device 10 viewed from a direction different from that in FIG.
- FIG. 3 is an exploded perspective view of the suction device 10.
- 4 is a cross-sectional view taken along line AA in FIG.
- FIG. 5 is an enlarged view of a portion B in FIG. 6 is a cross-sectional view taken along the line CC of FIG. 7 is a cross-sectional view taken along the line DD of FIG.
- the suction device 10 is a device for sucking, holding, and transporting food such as straw.
- the suction device 10 is used by being attached to the tip of a robot arm, for example.
- the suction device 10 includes a swirl flow forming body 1 and a baffle plate 2 detachably attached to the swirl flow forming body 1.
- the swirl flow forming body 1 is a device that forms a swirl flow and sucks an object to be sucked by the Bernoulli effect.
- the swirl flow forming body 1 is an example of the “fluid flow forming body” according to the present invention.
- the baffle plate 2 is a member for inhibiting the sucked object sucked by the swirling flow forming body 1 from entering a recess 13 described later.
- the baffle plate 2 is attached to the swirl flow forming body 1 by spreading each support member 22 described later outward and sandwiching the swirl flow forming body 1 between the support members 22.
- the swirl flow forming body 1 includes a main body 11, an end surface 12, a concave portion 13, two jet ports 14, and an inclined surface 15.
- the main body 11 has a cylindrical shape and is made of a material such as an aluminum alloy.
- the end surface 12 is formed flat on one surface of the main body 11 (specifically, the surface facing the object to be sucked) (hereinafter referred to as “bottom surface”).
- the recess 13 is a bottomed hole formed in the end surface 12 and having a cylindrical shape.
- the recess 13 is formed coaxially with the main body 11.
- the two jet nozzles 14 are formed on the inner peripheral side surface 111 of the main body 11 facing the recess 13.
- the two jet nozzles 14 are arranged on the end surface 12 side from the axial center of the inner peripheral side surface 111. Moreover, the two jet nozzles 14 are arrange
- the fluid supplied to the swirl flow forming body 1 is discharged into the recess 13 through each jet port 14.
- the fluid is, for example, a gas such as compressed air or a liquid such as pure water or carbonated water.
- the inclined surface 15 is formed at the opening end of the main body 11.
- the swirl flow forming body 1 also includes a supply port 16, an annular passage 17, a communication passage 18, and two supply passages 19.
- the supply port 16 has a circular shape and is formed at the center of the upper surface of the main body 11 (that is, the surface opposite to the bottom surface).
- the supply port 16 is connected to a fluid supply pump (not shown) through, for example, a tube, and fluid is supplied into the main body 11 through the supply port 16.
- the annular passage 17 has a cylindrical shape and is formed inside the main body 11 so as to surround the recess 13.
- the annular passage 17 is formed coaxially with the recess 13.
- the annular passage 17 supplies the fluid supplied from the communication passage 18 to the supply passage 19.
- the communication path 18 is formed inside the main body 11 and extends linearly in the radial direction of the bottom surface or top surface of the main body 11.
- the communication path 18 communicates with the annular path 17 at both ends thereof.
- the communication passage 18 supplies the fluid supplied into the main body 11 through the supply port 16 to the annular passage 17.
- the two supply paths 19 are formed so as to be substantially parallel to the end face 12 and to extend tangentially to the outer periphery of the recess 13.
- the two supply paths 19 extend parallel to each other.
- Each supply passage 19 has one end communicating with the annular passage 17 and the other end communicating with the jet port 14.
- Each supply path 19 forms a swirling flow of fluid in the recess 13.
- Each supply path 19 is an example of the “fluid flow forming means” according to the present invention.
- the baffle plate 2 includes a baffle plate main body 21 and four support members 22.
- the baffle plate main body 21 is provided so as to be detachable from the swirling flow forming body 1, and allows an object to be sucked into the recess 13 while passing a fluid sucked by the negative pressure generated by the swirling flow forming body 1. Inhibit.
- the baffle plate main body 21 has an annular shape.
- One end side of the four support members 22 is detachably fixed to the main body 11, and the other end side supports the baffle plate main body 21 so as to face the end surface 12.
- the four support members 22 support the baffle plate main body 21 so that a gap is maintained between the end face 12 and the baffle plate main body 21 and a flow path for the fluid flowing out from the recess 13 is formed. Further, the four support members 22 support the baffle plate main body 21 so as to cover a part of the recess 13.
- the baffle plate main body 21 and the four support members 22 are integrally formed.
- the baffle plate main body 21 includes an outer annular plate 211 and an inner annular plate 212.
- the outer annular plate 211 is made of a leaf spring material and has an annular shape.
- the outer annular plate 211 is formed so that the outer diameter thereof is substantially the same as the outer diameter of the end surface 12, and the inner diameter thereof is substantially the same as the inner diameter of the end surface 12 (in other words, the diameter of the opening of the recess 13).
- the outer annular plate 211 includes four spacers 2111. Each of the four spacers 2111 is provided between the end surface 12 and the baffle plate main body 21 so as to maintain a distance therebetween, and sandwiches (pinches) the main body 11 with a claw portion 221 of the support member 22 described later.
- Each of the four spacers 2111 is an example of a “gap holding portion” according to the present invention.
- the four spacers 2111 are formed at equal intervals on the outer edge of the outer annular plate 211.
- the four spacers 2111 are formed so as to be circular and have substantially the same height by embossing.
- the heights of the four spacers 2111 define a gap between the end face 12 and the baffle plate body 21, and the height is set according to the flow rate of the fluid supplied from the fluid supply pump to the suction device 10. Is done.
- the height is a flow path formed between the end surface 12 and the baffle plate main body 21 by the spacer 2111 so that the fluid flowing out from the recess 13 does not pass through the opening 2121 of the inner annular plate 212 described later. Is set to pass.
- the height of the spacer 2111 is preferably as low as possible so that the suction force of the suction device 10 does not drop.
- the inner annular plate 212 is made of an elastic member such as a rubber material or a highly elastic resin, and has an annular shape.
- the inner annular plate 212 can be deformed according to the shape of the object to be sucked in contact.
- the inner annular plate 212 is formed such that its outer diameter is larger than the diameter of the opening of the outer annular plate 211 and smaller than the outer diameter of the outer annular plate 211, and is formed by an adhesive, screwing, or the like. 211 is attached substantially coaxially.
- the inner annular plate 212 includes an opening 2121 and four holes 2122.
- the opening 2121 is formed in a circular shape in the central portion of the inner annular plate 212 (in other words, the central portion of the baffle plate main body 21), and the suction target is positioned when a part of the suction target is depressed.
- the opening 2121 is formed so that its diameter is smaller than the diameter of the opening of the recess 13.
- the four holes 2122 are formed in a circle at equal intervals around the opening 2121 so as to face the recess 13 when the baffle plate 2 is attached to the swirl flow forming body 1.
- the hole 2122 is formed so that its diameter is smaller than the diameter of the opening 2121.
- Each of the four support members 22 is formed by bending an elongated leaf spring material extending from the peripheral edge of the baffle plate main body 21 at equal intervals substantially perpendicular to the baffle plate main body 21.
- the leaf spring material is formed to be longer than the axial length of the main body 11.
- the angle of the leaf spring material is pressed by the restoring force (elastic force) of each support member 22 when the baffle plate 2 is attached to the swirling flow forming member 1.
- the main body 11 is adjusted so as to be sandwiched between the support members 22.
- Claw portions 221 are formed at the end portions of the four support members 22, respectively.
- the claw portion 221 is hooked on the outer edge of the upper surface of the main body 11 (in other words, hooked and fixed).
- the claw portion 221 is formed by bending the end portion of the leaf spring material forming the support member 22 inward substantially perpendicular to the direction in which the leaf spring material extends. At this time, the angle at which the leaf spring material is bent is such that when the baffle plate 2 is attached to the swirling flow forming body 1, the upper surface and the bottom surface of the main body 11 of the swirling flow forming body 1 are restored by the restoring force (elastic force) of the claw portion 221. And the main body 11 is adjusted so as to be sandwiched between the claw portion 221 and the spacer 2111.
- the claw portion 221 is subjected to V-bending so as to be convex with respect to the upper surface.
- the density of fluid molecules per unit volume in the central portion is reduced, and a negative pressure is generated in the recess 13.
- the fluid around the suction device 10 starts to flow into the recess 13 through the opening 2121 and the hole 2122 of the baffle plate 2, and the scissors are pressed by the surrounding fluid to the suction device 10 side.
- Gravitate For example, the tip of the scissors attracted to the suction device 10 is inserted into the opening 2121 of the baffle plate 2 and is positioned.
- the main fluid flowing out from the opening of the recess 13 does not pass through the opening 2121 and the hole 2122 of the baffle plate 2, and passes through the flow path formed between the baffle plate body 21 and the end surface 12. , Flows out of the suction device 10.
- the sucked object is prevented from entering the recess 13 by the baffle plate 2, so that the sucked object comes into contact with the inclined surface 15 of the swirling flow forming body 1 and is damaged. Is prevented. Further, since the main fluid flowing out from the recess 13 flows out of the suction device 10 without passing through the opening 2121 and the hole 2122 of the baffle plate 2, the fluid flowing out from the opening 2121 and the hole 2122 is covered. The phenomenon that the object to be attracted flutters or rotates due to collision with the object to be attracted is suppressed. That is, the object to be sucked can be sucked more stably.
- the baffle plate 2 is detachably attached to the swirling flow forming body 1 without using a tool, dust caught between the swirling flow forming body 1 and the baffle plate 2 can be removed, or the baffle plate can be removed. It is easy to wash with two simple substances. Further, since the baffle plate 2 is fixed to the swirling flow forming body 1 by the elastic force of the support member 22, the baffle plate 2 is swirled flow forming body as compared with the case where the supporting member 22 is not formed of a leaf spring material. The risk of falling off 1 and falling is reduced. In addition, even if a part of the suction target is intruded into the opening 2121 and the opening 2121 is blocked, the surrounding fluid can flow into the recess 13 through the hole 2122.
- FIG. 8 is a perspective view of a suction device 10A according to a second embodiment.
- FIG. 9 is a perspective view of the suction device 10A viewed from a direction different from that in FIG.
- FIG. 10 is an exploded perspective view of the suction device 10A.
- 11 is a cross-sectional view taken along the line EE of FIG.
- FIG. 12 is an enlarged view of a portion F in FIG. 13 is a cross-sectional view taken along the line GG of FIG. 14 is a cross-sectional view taken along line HH in FIG.
- the suction device 10A is different from the suction device 10 according to the first embodiment in that the baffle plate support member is fixed to the side surface of the main body of the swirl flow forming body and the spacer is not provided.
- the baffle plate support member is fixed to the side surface of the main body of the swirl flow forming body and the spacer is not provided.
- the suction device 10A includes a swirl flow forming body 1A and a baffle plate 2A that is detachably attached to the swirl flow forming body 1A. It is a device that forms a swirling flow and sucks an object to be sucked by the Bernoulli effect.
- the swirl flow forming body 1A is an example of the “fluid flow forming body” according to the present invention.
- the baffle plate 2 ⁇ / b> A is a member for inhibiting the sucked object sucked by the swirling flow forming body 1 ⁇ / b> A from entering the recess 13.
- the baffle plate 2A is attached to the swirling flow forming body 1A by pushing each supporting member 22A described later outward and sandwiching the swirling flow forming body 1A between the supporting members 22A.
- the swirl flow forming body 1 ⁇ / b> A includes four grooves 112 in addition to the main body 11, the end surface 12, the concave portion 13, the two ejection ports 14, and the inclined surface 15. Since components other than the four groove portions 112 are the same as those in the first embodiment, the description thereof is omitted.
- the four groove portions 112 are formed at equal intervals on the side surface of the main body 11.
- the four groove portions 112 are formed on the upper surface side from the axial center of the side surface of the main body 11.
- the four groove portions 112 are formed so that the length in the circumferential direction is shorter than 1 ⁇ 4 of the arc of the outer periphery of the end surface 12.
- Each of the four groove portions 112 is configured by three V-shaped grooves (in other words, slits) arranged in the axial direction and extending in the circumferential direction. In each of the four groove portions 112, a claw portion 221A of a baffle plate 2A described later is locked.
- the swirl flow forming body 1 ⁇ / b> A also includes a supply port 16, an annular passage 17, a communication passage 18, and two supply passages 19. Since these constituent elements are the same as those in the first embodiment, the description thereof is omitted.
- the baffle plate 2A includes a baffle plate main body 21 and four support members 22A. Since the baffle plate main body 21 overlaps with the first embodiment, the description thereof is omitted.
- the four support members 22A are detachably fixed to the main body 11 at one end side and support the baffle plate main body 21 so as to face the end surface 12 at the other end side.
- the four support members 22 ⁇ / b> A support the baffle plate main body 21 so that a gap is maintained between the end surface 12 and the baffle plate main body 21 and a flow path for the fluid flowing out from the recess 13 is formed.
- the four support members 22 ⁇ / b> A support the baffle plate body 21 so as to cover a part of the recess 13.
- the baffle plate main body 21 and the four support members 22A are integrally formed.
- Each of the four support members 22A is formed by bending an elongated leaf spring material extending at equal intervals from the periphery of the baffle plate body 21 substantially perpendicularly to the baffle plate body 21.
- the leaf spring material is formed so as to be longer than a half length of the main body 11 in the axial direction and shorter than the entire length of the main body 11 in the axial direction.
- the angle is determined when the baffle plate 2 is attached to the swirling flow forming body 1A and the side surface of the main body 11 of the swirling flow forming body 1A is pressed by the restoring force (elastic force) of each support member 22A.
- the main body 11 is adjusted so as to be sandwiched between the support members 22A.
- Claw portions 221 ⁇ / b> A are formed at the ends of the four support members 22, respectively.
- the claw portion 221A is locked to the groove portion 112 of the main body 11 by the restoring force (elastic force) of the support member 22A (in other words, engaged and fixed).
- the claw portion 221A is formed by subjecting the end portion of the leaf spring material forming the support member 22A to V-bending so as to be convex with respect to the side surface of the main body 11 when the baffle plate 2A is attached to the swirl flow forming body 1A. Is done.
- the density of fluid molecules per unit volume in the central portion is reduced, and a negative pressure is generated in the recess 13.
- the fluid around the suction device 10A starts to flow into the recess 13 through the opening 2121 and the hole 2122 of the baffle plate 2A, and the scissors are pressed by the surrounding fluid to the suction device 10A side.
- the scissors attracted to the suction device 10 ⁇ / b> A for example, have its tip portion intruded into the opening 2121 of the baffle plate 2 ⁇ / b> A and positioned.
- the main fluid that has flowed out of the opening of the recess 13 does not pass through the opening 2121 and the hole 2122 of the baffle plate 2A, and passes through the flow path formed between the baffle plate main body 21 and the end surface 12. , Flows out of the suction device 10A.
- the suction device 10A described above in addition to the advantage obtained in the first embodiment, there is an advantage that it is not necessary to form a spacer. This is because the claw portion 221A of the baffle plate 2A is locked to the groove portion 112 of the swirl flow forming body 1A, and the vertical position of the baffle plate 2A with respect to the swirl flow forming body 1A is fixed. This is because a gap is held between the plate bodies 21. Moreover, there is an advantage that the gap between the end surface 12 and the baffle plate main body 21 can be adjusted by changing the groove of the main body 11 to which the baffle plate 2A is locked.
- the shape of the main body 11 and the concave portion 13 of the swirl flow forming body 1 or 1A according to the above embodiment is not limited to a cylinder, and may be a prism or an elliptic cylinder, for example.
- the inner peripheral side surface 111 of the main body 11 facing the recess 13 may be formed with a taper that increases in diameter toward the opening.
- a convex portion that forms a fluid flow path may be formed in the concave portion 13 between the outer peripheral side surface thereof and the inner peripheral side surface 111 of the main body 11 (for example, FIG. 13 of JP-A-2016-159405). reference).
- the number of the jet ports 14 and the supply paths 19 provided in the swirl flow forming body 1 or 1A is not limited to two, and may be one or three or more.
- the arrangement of the jet nozzles 14 is not limited to the end surface 12 side than the axial center of the inner peripheral side surface 111, and may be the axial center or the upper surface side.
- the formation of the inclined surface 15 may be omitted.
- the shape of the supply port 16 is not limited to a circle, and may be a rectangle or an ellipse, for example.
- the supply port 16 may be formed on the side surface instead of the upper surface of the main body 11. Further, the two supply paths 19 do not necessarily have to extend in parallel to each other.
- a radial flow forming body that is a device that forms a radial flow and sucks an object to be sucked by the Bernoulli effect is adopted.
- the radial flow forming body is an example of the “fluid flow forming body” according to the present invention.
- the radial flow forming body generates a negative pressure by forming a columnar main body, a flat end surface formed on the main body, a concave portion formed on the end surface, and discharging a fluid into the concave portion to form a radial flow.
- an electric fan that is a device that forms a swirling flow and sucks an object to be sucked by the Bernoulli effect instead of the swirling flow forming body 1 or 1A is used.
- a non-contact chuck may be employed (see, for example, JP-A-2011-138948).
- This non-contact chuck is an example of the “fluid flow forming body” according to the present invention.
- This non-contact chuck generates a negative pressure by forming a columnar main body, a flat end surface formed in the main body, a concave portion formed in the end surface, and a swirling flow of fluid in the concave portion, thereby attracting suction.
- the swirl flow forming body 3 described below may be adopted instead of the swirl flow forming body 1 or 1A.
- FIG. 15 is a perspective view showing an example of the lower surface of the swirl flow forming body 3.
- FIG. 16 is a perspective view showing an example of the upper surface of the swirl flow forming body 3.
- 17 is a cross-sectional view taken along the line II of FIG.
- the swirling flow forming body 3 is a device that forms a swirling flow and sucks an object to be sucked by the Bernoulli effect.
- the swirl flow forming body 3 is an example of the “fluid flow forming body” according to the present invention.
- the swirl flow forming body 3 is formed on the lower surface of the main body 31 which is a substantially annular column having a through-hole 32 (an example of the “concave portion” according to the present invention) having a circular cross section at the center, and is sucked.
- four spacers 39 which are holding members that hold the cover 38 so as to face the second end surface 34 substantially in parallel.
- the outer periphery of the cross section substantially perpendicular to the central axis of the main body 31 has a circular shape in which a part of the opposing outer periphery is cut out linearly.
- the inner peripheral surface 311 of the main body 31 is formed so as to guide the fluid ejected from the ejection port 35 in the direction away from the suction target and to discharge the fluid from the through hole 32. More specifically, it is formed so as to be guided to the opening of the second end face 34 and discharged from the through hole 32. More specifically, the inner circumferential surface 311 is formed so that the area of the cross section substantially perpendicular to the central axis of the main body 31 gradually increases from the opening of the first end surface 33 to the opening of the second end surface 34. That is, it is formed in a tapered shape.
- the through hole 32 is formed to extend linearly in the central axis direction of the main body 31.
- the through hole 32 opens on the first end surface 33 and opens on the second end surface 34.
- the first end surface 33 and the second end surface 34 are formed substantially perpendicular to the central axis of the main body 31.
- the two spouts 35 are formed in the center axis direction center of the main body 31 on the inner peripheral surface 311. Further, it is formed so as to be point-symmetric with respect to the central axis of the main body 31.
- the two supply ports 36 are formed in the center axis direction center of the main body 31 on the outer peripheral surface 312. Further, it is formed so as to be point-symmetric with respect to the central axis of the main body 31.
- Each is connected to a fluid supply pump (not shown) via a tube, for example.
- the two fluid passages 37 are formed so as to extend in the tangential direction with respect to the inner periphery of the main body 31. Moreover, it forms so that it may mutually extend substantially in parallel. Further, it is formed so as to extend substantially perpendicular to the central axis of the main body 31. In addition, each is formed so as to reduce the diameter before the jet port 35.
- the two fluid passages 37 eject fluid from the ejection port 35 into the through hole 32. The fluid ejected into the through hole 32 flows along the inner peripheral surface of the main body 31 by the Coanda effect, and forms a swirling flow in the through hole 32.
- the cover 38 has the same shape as the outer periphery of the cross section substantially perpendicular to the central axis of the main body 31.
- the cover 38 covers the through hole 32 and restricts inflow of an external fluid (specifically, gas or liquid) into the through hole 32.
- the four spacers 39 each have a cylindrical shape.
- the four spacers 39 are attached at equal intervals along the outer periphery of the second end face 34.
- the main body 31 and the cover 38 are connected to each other so as to extend substantially vertically from the second end surface 34 toward the cover 38.
- Each spacer 39 is fixed to the main body 31 and the cover 38 by, for example, screwing.
- the four spacers 39 form a flow path for the fluid flowing out of the through hole 32 between the second end face 34 and the cover 38. The fluid that has passed through this flow path flows out of the swirl flow forming body 3.
- the height of the four spacers 39 (in other words, the gap between the second end face 34 and the cover 38) is set according to the flow rate of the fluid supplied from the fluid supply pump to the swirling flow forming body 3. It is desirable that the four spacers 39 are attached to the second end face 34 at positions that do not hinder the flow path of the fluid flowing out from the through hole 32. This is to prevent the fluid flowing out of the through hole 32 from colliding with the spacer 39 and generating turbulent flow.
- the flow path of the fluid flowing out from the through hole 32 is determined by the diameter and depth of the through hole 32 and the flow velocity of the fluid.
- the four spacers 39 form an angle of approximately 45 degrees with the direction in which the fluid passage 37 extends. It is desirable that it cannot be mounted on a line.
- the supplied fluid is ejected from the ejection port 35 into the through hole 32 through the supply port 36 and the fluid passage 37.
- the fluid ejected into the through hole 32 is rectified as a swirl flow in the through hole 32.
- Most of the fluid molecules constituting the swirl flow are guided by the inner peripheral surface 311 and flow out from the through hole 32 along the second end surface 34.
- the swirl flow is restricted in a state where the flow of the external fluid (specifically, gas or liquid) into the through hole 32 is restricted.
- Centrifugal force and entrainment reduce the density of fluid molecules per unit volume at the center of the swirling flow. That is, a negative pressure is generated at the center of the swirling flow. As a result, the sucked object is pressed by the surrounding fluid and drawn toward the first end face 33 side.
- the swirl flow forming body 3 can separate and use only the suction force of the swirl flow formed in the through hole 32.
- the shapes of the outer annular plate 211 and the inner annular plate 212 according to the above embodiment are not limited to the circular ring, and may be, for example, a square ring or an elliptical ring.
- the material of the outer annular plate 211 is not limited to the leaf spring material, and may be other elastic materials. Alternatively, a material that is not easily elastically deformed may be used.
- the outer diameter of the outer annular plate 211 does not necessarily have to be the same as the outer diameter of the end surface 12, and the inner diameter of the outer annular plate 211 does not necessarily have to be the same as the inner diameter of the end surface 12.
- the number of spacers 2111 provided in the outer annular plate 211 is not limited to four, and may be three or less or five or more.
- the arrangement of the spacer 2111 is not limited to the outer edge of the outer annular plate 211 and may be the center in the radial direction or the inner edge.
- the spacers 2111 are not necessarily formed at regular intervals.
- the shape of the spacer 2111 is not limited to a circle, and may be a rectangle or an ellipse, for example.
- the formation method of the spacer 2111 is not limited to embossing, and the spacer 2111 may be formed by attaching a columnar piece to the surface of the outer annular plate 211, for example.
- the number of the holes 2122 provided in the inner annular plate 212 is not limited to four, and may be three or less or five or more.
- the arrangement of the holes 2122 is not limited to the position facing the recess 13, and may be a position facing the end surface 12. Further, the holes 2122 are not necessarily formed at regular intervals.
- the shape of the hole 2122 is not limited to a circle, and may be a rectangle or an ellipse, for example.
- outer annular plate 211 may be provided with a guide portion 2112 described below.
- FIG. 18 is a perspective view of the suction device 10B.
- FIG. 19 is a perspective view of the suction device 10B viewed from a direction different from that in FIG.
- the suction device 10B is different from the suction device 10 according to the first embodiment in that the outer annular plate 211A includes a guide portion 2112.
- the guide portion 2112 has a cylindrical shape and is formed so as to surround the outer peripheral side surface of the main body 11 (in other words, the outer periphery of the opening of the recess 13) when the baffle plate 2B is attached to the swirl flow forming body 1. .
- the guide portion 2112 is formed such that its inner peripheral surface does not contact the outer peripheral side surface of the main body.
- the length of the guide portion 2112 in the axial direction is shorter than half the length of the main body 11 in the axial direction in the illustrated example, but may be longer than this.
- the guide portion 2112 regulates the flow of the fluid flowing out from the concave portion 13 of the swirling flow forming body 1 along the end surface 12, and separates the fluid from the position of the suction target (precisely, the position before starting the suction). Guide in the direction.
- the guide portion 2112 restricts the flow of the fluid flowing out from the recess 13 along the end surface 12 in the direction having the radial component. Then, the fluid is guided in a direction including a direction component in the suction direction of the suction target. More specifically, the fluid flowing out from the recess 13 is guided upward in the drawing along the inner peripheral surface of the guide portion 2112.
- a mesh or a porous material may be attached to the outer annular plate 211 according to the above-described embodiment instead of the inner annular plate 212 (see, for example, FIG. 6 of JP-A-2016-159405). ).
- a mesh having a conical or hemispherical concave portion at the center may be attached (see, for example, FIGS. 7 and 8 of JP-A-2016-159405). A part or all of the sucked object is inserted into the concave portion, and the sucked object is positioned.
- a restricting portion that protrudes toward the concave portion 13 may be formed by subjecting the opening end of the outer annular plate 211 to R bending (see, for example, FIG. 9 of JP-A-2016-159405). .
- the material of the support member 22 or 22A according to the above embodiment is not limited to the leaf spring material, but may be other elastic materials. Further, the angle at which the leaf spring material is bent when the support member 22 or 22A is formed may not necessarily be perpendicular to the baffle plate body 21 depending on the shape of the body 11. Further, the number of support members 22 or 22A is not limited to four, and may be three or less or five or more. Further, one end side (not necessarily limited to the tip) of the support member 22 or 22A is not limited to the peripheral edge of the outer annular plate 211 and may extend from the surface thereof. Further, the support members 22 or 22A are not necessarily formed at regular intervals.
- the length of the support member 22A is not necessarily shorter than the entire length of the main body 11 in the axial direction.
- the position where the claw portion 221 or 221A is formed in the support member 22 or 22A is not limited to the tip, and may be closer to the baffle plate body 21 than the tip.
- the position where the claw portion 221 is hooked on the main body 11 is not limited to the outer edge of the upper surface, but may be the center of the upper surface in the radial direction or the center of the upper surface.
- the shape of the claw portion 221 is not limited to the V shape, and may be a flat shape or a waveform, for example.
- the method of forming the claw portion 221A is not limited to the V-bending process, and is formed by bending the end portion of the leaf spring material forming the support member 22A inward substantially perpendicular to the direction in which the leaf spring material extends. Also good.
- FIG. 20 is a perspective view of the baffle plate 2C including the claw portion 221B formed by such a method.
- the shape of the claw portion 221A may be a waveform.
- the claw portion 221A may be fixed to the side surface of the main body 11 by screwing.
- one or more support members 22 according to the first embodiment may be provided in addition to the four support members 22A. According to this modification, the risk that the baffle plate 2A falls off the swirl flow forming body 1A is further reduced.
- four support members 22B described below may be employed instead of the four support members 22.
- FIG. 21 is a perspective view of the suction device 10C.
- FIG. 22 is a side view of the suction device 10C.
- FIG. 23 is an enlarged view of a portion J in FIG.
- the suction device 10 ⁇ / b> C is different from the suction device 10 according to the first embodiment in that each support member 22 ⁇ / b> B includes an R portion 222 and the outer annular plate 211 ⁇ / b> A does not include a spacer.
- the R portion 222 has a curved structure that maintains an interval between the end surface 12 of the swirling flow forming body 1 and the baffle plate main body 21A. Specifically, the R portion 222 is in contact with the outer periphery of the end surface 12 and supports the swirl flow forming body 1 to maintain the interval.
- the R portion 222 is an example of the “interval holding portion” according to the present invention.
- Each of the four support members 22B is formed by bending an elongated leaf spring material extending at equal intervals from the peripheral edge of the baffle plate main body 21A by rounding so as to extend substantially perpendicular to the baffle plate main body 21A.
- the leaf spring material is formed to be longer than the axial length of the main body 11.
- a step portion 223 shown in FIG. 24 may be adopted instead of the R portion 222.
- the step portion 223 has a structure that maintains an interval between the end face 12 of the swirling flow forming body 1 and the baffle plate main body 21A. Specifically, the step portion 223 is in contact with the outer edge of the end surface 12 and supports the swirl flow forming body 1 to maintain the interval.
- the step portion 223 is an example of the “interval holding portion” according to the present invention.
- FIG. 25 is a perspective view of the suction device 10D.
- the claw portions 221C of the respective support members 22C are fixed to the upper surface of the main body 11 of the swirling flow forming body 1 by screwing, and the baffle plate 2E can be attached to and detached from the swirling flow forming body 1 by using a tool.
- the suction device 10 according to the first embodiment is different from the suction device 10 according to the first embodiment in that the outer annular plate 211B is not provided with a spacer.
- the claw portion 221C is different from the claw portion 221 according to the first embodiment only in that it is formed in a flat shape.
- the claw portion 221C may be fixed to the upper surface of the main body 11 of the swirl flow forming body 1 by magnetic force or frictional force instead of screwing.
- the four support members 22C and the baffle plate main body 21 may be molded as separate bodies without being molded integrally. At that time, only the baffle plate main body 21 among the four support members 22 ⁇ / b> C and the baffle plate main body 21 may be detachable from the swirl flow forming body 1.
- four support members 22C are welded to the upper surface of the main body 11 of the swirl flow forming body 1, while the baffle plate main body 21 is fixed to the support member 22C with screws so that it can be attached and detached using a tool. Also good.
- the baffle plate 2E may be attached so as not to be detachable from the swirling flow forming body 1 by welding four support members 22C to the upper surface of the main body 11 of the swirling flow forming body 1.
- the number of the grooves 112 according to the second embodiment is not limited to four, and may be three or less or five or more. Further, the position of the groove portion 112 is not limited to the upper surface side from the axial center of the side surface of the main body 11, but may be the center in the axial direction of the side surface of the main body 11 or the end surface 12 side. Moreover, the groove part 112 does not necessarily need to be formed at equal intervals. Further, the circumferential length of the groove 112 does not necessarily have to be shorter than 1 ⁇ 4 of the arc of the outer periphery of the end face 12. The number of grooves constituting each groove portion 112 is not limited to three, and may be two or less or four or more. Further, the shape of the groove is not limited to the V shape, and may be a U shape, for example.
- the suction device 10 or 10A according to the above embodiment is not limited to food, and may be used to suck and hold and transport a plate-like or sheet-like member such as a semiconductor wafer or a glass substrate. At that time, depending on the size of the member to be sucked, a plurality of suction devices 10 or 10A may be attached to a plate-shaped frame (see, for example, FIGS. 10 and 11 of JP-A-2016-159405).
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Abstract
Description
1.第1実施形態
図1は、第1実施形態に係る吸引装置10の斜視図である。図2は、図1とは別の方向から見た吸引装置10の斜視図である。図3は、吸引装置10の分解斜視図である。図4は、図1のA-A線断面図である。図5は、図4のB部の拡大図である。図6は、図4のC-C線断面図である。図7は、図6のD-D線断面図である。吸引装置10は、苺等の食品を吸引して保持し、搬送するための装置である。吸引装置10は、例えば、ロボットアームの先端に取り付けられて使用される。
図8は、第2実施形態に係る吸引装置10Aの斜視図である。図9は、図8とは別の方向から見た吸引装置10Aの斜視図である。図10は、吸引装置10Aの分解斜視図である。図11は、図8のE-E線断面図である。図12は、図11のF部の拡大図である。図13は、図11のG-G線断面図である。図14は、図13のH-H線断面図である。吸引装置10Aは、邪魔板の支持部材が旋回流形成体の本体側面に固定される点と、スペーサを備えない点において第1実施形態に係る吸引装置10と相違している。以下、これらの相違点についてのみ説明し、重複する説明は省略する。
上記の実施形態は、以下のように変形してもよい。また、以下の変形例は、互いに組み合わせてもよい。
上記の実施形態に係る旋回流形成体1又は1Aの本体11と凹部13の形状は、円柱に限られず、例えば角柱や楕円柱でもよい。また、凹部13に面する本体11の内周側面111には、開口に向かって拡径するテーパが形成されてもよい。また、凹部13内には、その外周側面と本体11の内周側面111との間に流体流路を形成する凸部が形成されてもよい(例えば、特開2016-159405号公報の図13参照)。また、旋回流形成体1又は1Aに設けられる噴出口14及び供給路19の数は、2つに限られず1つであっても3つ以上であってもよい。また、噴出口14の配置は、内周側面111の軸方向中央よりも端面12側に限られず、軸方向中央や上面側でもよい。また、傾斜面15の形成は省略されてもよい。また、供給口16の形状は、円形に限られず、例えば矩形や楕円でもよい。また、供給口16は、本体11上面ではなく側面に形成されてもよい。また、2本の供給路19は、必ずしも互いに平行に延びていなくてもよい。
上記の実施形態に係る外側環状板211と内側環状板212の形状は、円環に限られず例えば角環や楕円環でもよい。また、外側環状板211の材料は、板ばね材に限られずその他の弾性材料でもよい。または、弾性変形しにくい材料でもよい。また、外側環状板211の外径は、必ずしも端面12の外径と同一でなくてもよく、外側環状板211の内径は、必ずしも端面12の内径と同一でなくてもよい。外側環状板211の内径を端面12の内径よりも小さくする場合、外側環状板211に内側環状板212を取り付けずに、外側環状板211の開口の周囲に4つの孔部を形成するようにしてもよい。また、外側環状板211が備えるスペーサ2111の数は、4つに限られず3つ以下であっても5つ以上であってもよい。スペーサ2111の配置は、外側環状板211の外縁に限られず径方向中央や内縁でもよい。また、スペーサ2111は、必ずしも等間隔に形成されなくてもよい。また、スペーサ2111の形状は、円形に限られず、例えば矩形や楕円でもよい。また、スペーサ2111の形成方法は、エンボス加工に限られず、例えば柱状の小片を外側環状板211の表面に取り付けることでスペーサ2111を形成してもよい。また、内側環状板212が備える孔部2122の数は、4つに限られず3つ以下であっても5つ以上であってもよい。また、孔部2122の配置は、凹部13に対向する位置に限られず端面12に対向する位置でもよい。また、孔部2122は、必ずしも等間隔に形成されなくてもよい。また、孔部2122の形状は、円形に限られず例えば矩形や楕円でもよい。
上記の実施形態に係る支持部材22又は22Aの材料は、板ばね材に限られずその他の弾性材料でもよい。また、支持部材22又は22Aを形成する際に板ばね材を折り曲げる角度は、本体11の形状によっては必ずしも邪魔板本体21に対して垂直でなくてもよい。また、支持部材22又は22Aの数は、4つに限られず3つ以下であっても5つ以上であってもよい。また、支持部材22又は22Aの一端側(必ずしも先端に限られない)は、外側環状板211の周縁に限られずその表面から延びてもよい。また、支持部材22又は22Aは、必ずしも等間隔に形成されなくてもよい。また、支持部材22Aの長さは、必ずしも本体11の軸方向の全体の長さよりも短くなくてもよい。また、支持部材22又は22Aにおいて爪部221又は221Aが形成される位置は、先端に限られず先端よりも邪魔板本体21側でもよい。また、爪部221が本体11において掛止される位置は、上面の外縁に限られず上面の径方向中央や上面の中央部でもよい。また、爪部221の形状は、V字形に限られず例えば平坦状や波形でもよい。また、爪部221Aの形成方法は、V曲げ加工に限られず、支持部材22Aをなす板ばね材の端部を、板ばね材が延びる方向に対して略垂直に内側に折り曲げることで形成されてもよい。図20は、このような方法で形成された爪部221Bを備える邪魔板2Cの斜視図である。または、爪部221Aの形状は波形でもよい。また、爪部221Aは、ねじ止めにより本体11側面に固定されてもよい。
例えば、4つの支持部材22Cを旋回流形成体1の本体11上面に溶接する一方で、邪魔板本体21については支持部材22Cにねじ止めで固定して、工具を用いて着脱可能なようにしてもよい。
上記の第2実施形態に係る溝部112の数は、4つに限られず3つ以下であっても5つ以上であってもよい。また、溝部112の位置は、本体11側面の軸方向中央より上面側に限られず、本体11側面の軸方向中央やそれよりも端面12側でもよい。また、溝部112は、必ずしも等間隔に形成されなくてもよい。また、溝部112の周方向の長さは、必ずしも端面12外周の円弧の1/4の長さよりも短くなくてもよい。各溝部112を構成する溝の数は、3つに限られず2つ以下であっても4つ以上であってもよい。また、溝の形状は、V字形に限られず例えばU字形でもよい。
上記の実施形態に係る吸引装置10又は10Aは、食品に限られず、半導体ウェハやガラス基板等の板状又はシート状の部材を吸引して保持し、搬送するために使用されてもよい。その際、被吸引部材のサイズによっては、板状のフレームに複数の吸引装置10又は10Aを取り付けて使用してもよい(例えば、特開2016-159405号公報の図10及び11参照)。
Claims (5)
- 柱状の本体と、
前記本体に形成される平坦状の端面と、
前記端面に形成される凹部と、
前記凹部内に流体の旋回流を形成するか又は前記凹部内に流体を吐出して放射流を形成することにより負圧を発生させて被吸引物を吸引する流体流形成手段と
を備える流体流形成体に取り付けられる邪魔板であって、
前記流体流形成体から着脱可能なように設けられ、前記負圧により吸引される流体を通しつつ、前記凹部内への前記被吸引物の進入を阻害する邪魔板本体と、
一端側は前記本体に固定され、他端側は前記邪魔板本体を前記端面に対向するように支持する支持部材であって、前記端面と前記邪魔板本体の間に間隙が保持されるとともに、前記凹部から流出する流体が流れるための流路が形成されるように前記邪魔板本体を支持する支持部材と
を備えることを特徴とする邪魔板。 - 前記端面と前記邪魔板本体の間に両者の間隔を保持するように設けられる間隙保持部をさらに備えることを特徴とする請求項1に記載の邪魔板。
- 前記支持部材は、前記本体の、前記端面と反対側の面に掛止される爪部を備え、
前記間隙保持部は、前記爪部との間で前記本体を挟み込むとともに、前記流路を形成するように設けられる
ことを特徴とする請求項2に記載の邪魔板。 - 前記邪魔板本体は、
前記邪魔板本体の中央部に形成され、前記被吸引物の一部が陥入することにより当該被吸引物の位置決めがなされる開口部と、
前記邪魔板が前記流体流形成体に取り付けられたときに前記凹部に対向するように、前記開口部の周囲に形成される孔部と
を備えることを特徴とする請求項1乃至3のいずれか1項に記載の邪魔板。 - 前記支持部材は、当該支持部材の弾性力により前記本体に固定されることを特徴とする請求項1乃至4のいずれか1項に記載の邪魔板。
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CN108604566A (zh) | 2018-09-28 |
TW201829141A (zh) | 2018-08-16 |
CN108604566B (zh) | 2023-02-28 |
US10643881B2 (en) | 2020-05-05 |
JP6744630B2 (ja) | 2020-08-19 |
KR102174534B1 (ko) | 2020-11-05 |
KR20180100403A (ko) | 2018-09-10 |
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