WO2023112511A1 - 回転交換装置 - Google Patents
回転交換装置 Download PDFInfo
- Publication number
- WO2023112511A1 WO2023112511A1 PCT/JP2022/040283 JP2022040283W WO2023112511A1 WO 2023112511 A1 WO2023112511 A1 WO 2023112511A1 JP 2022040283 W JP2022040283 W JP 2022040283W WO 2023112511 A1 WO2023112511 A1 WO 2023112511A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- torch
- rotating
- component
- rotation
- gear
- Prior art date
Links
- 230000007246 mechanism Effects 0.000 claims abstract description 28
- 210000000078 claw Anatomy 0.000 claims description 36
- 230000007723 transport mechanism Effects 0.000 claims description 14
- 238000003466 welding Methods 0.000 claims description 14
- 230000002093 peripheral effect Effects 0.000 description 9
- 238000010586 diagram Methods 0.000 description 6
- 230000033001 locomotion Effects 0.000 description 6
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 230000004308 accommodation Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K9/00—Arc welding or cutting
- B23K9/32—Accessories
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K9/00—Arc welding or cutting
- B23K9/24—Features related to electrodes
- B23K9/26—Accessories for electrodes, e.g. ignition tips
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/02—Carriages for supporting the welding or cutting element
- B23K37/0211—Carriages for supporting the welding or cutting element travelling on a guide member, e.g. rail, track
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/02—Carriages for supporting the welding or cutting element
- B23K37/0241—Attachments between the welding or cutting element and the carriage
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K9/00—Arc welding or cutting
- B23K9/12—Automatic feeding or moving of electrodes or work for spot or seam welding or cutting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K9/00—Arc welding or cutting
- B23K9/24—Features related to electrodes
- B23K9/28—Supporting devices for electrodes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q7/00—Arrangements for handling work specially combined with or arranged in, or specially adapted for use in connection with, machine tools, e.g. for conveying, loading, positioning, discharging, sorting
- B23Q7/04—Arrangements for handling work specially combined with or arranged in, or specially adapted for use in connection with, machine tools, e.g. for conveying, loading, positioning, discharging, sorting by means of grippers
- B23Q7/046—Handling workpieces or tools
Definitions
- the present invention relates to, for example, a rotation exchange device for exchanging torch components such as a nozzle and a contact tip that are threadedly connected to the tip of a torch body of a welding torch used for arc welding.
- the tip of the torch body of the welding torch used for arc welding is attached by rotating the torch component such as a nozzle or contact tip forward and backward, or the torch component is removed from the tip of the torch body.
- the rotary exchange device disclosed in Patent Document 1 includes a plurality of rotating bodies capable of rotating and holding torch components. Each of the rotating bodies is arranged horizontally and linearly in a rectangular parallelepiped storage holder with the rotating shaft centered in the vertical direction. A spur gear is attached that coincides with the axis of rotation.
- one forward and reverse rotatable first drive motor having a first pinion gear whose rotation axis is oriented in the vertical direction is arranged, and the first pinion gear faces the inner side of the lower portion of the storage holder.
- a rack is attached to the lower side of the storage holder so as to extend along the extension direction of the storage holder, while a second drive capable of forward and reverse rotation has a second pinion gear meshing with the rack at the lateral lower side of the storage holder.
- One motor is provided. That is, the storage holder can be horizontally moved by a rack-and-pinion mechanism composed of a second pinion gear and a rack.
- Each rotor is sequentially moved to a parts replacement area where parts are replaced, and the first pinion gear is meshed with the spur gear of the rotor that has moved to the parts replacement area.
- the rotating body in the parts replacement area where the torch component parts are replaced. It can be rotated forward or backward.
- the structure is such that the spur gears of the rotating bodies mesh with the first pinion gear of the first drive motor while moving in a direction orthogonal to the rotation axis. Therefore, if the switching operation of each rotating body is repeated in the part replacement area, each time the spur gear and the first pinion gear are meshed with each other, the tooth portion of the spur gear and the first pinion gear will have a large amount in the tooth thickness direction. A load may be applied to the spur gear and the first pinion gear, which may lead to deformation or breakage.
- Patent Document 1 the rotating motion of each rotating body and the moving motion of the storage holder are performed by rotating motions of different drive motors. There is also a problem that the equipment becomes large due to occupation.
- the present invention has been made in view of the above problems, and an object of the present invention is to provide a compact, low-cost rotary changer for exchanging torch components of a welding torch. To make it difficult to break down even if it is used.
- the present invention provides a rotary action for attaching or detaching a torch component to or from a torch body of a welding torch, and a rotary housing for supplying a replacement torch component. It is characterized in that the rotary motion and the rotary motion can be performed by a single drive motor using a clutch mechanism.
- a rotation exchange device that is configured to rotate the torch component in the normal direction to attach it to the torch body of the welding torch, or to rotate it in the reverse direction to remove it.
- a rotary gripper capable of gripping the torch component in a part replacement area so as to be rotatable forward and reverse around its central axis, and a plurality of said torches in the circumferential direction around the rotation axis.
- a rotating container configured to accommodate component parts at predetermined intervals and sequentially moving each of the torch component parts to a component supply area by rotating around the rotation axis;
- a parts transport mechanism for transporting parts from a supply area to the parts replacement area, a drive motor for driving the rotating gripper to rotate in forward and reverse directions, and transmission and interruption of rotation between the rotation containing body and the drive motor. and a clutch mechanism.
- the rotary containing body has an annular shape centering on the rotation axis, and the driving motor and the clutch mechanism are arranged in an inner region thereof. It is characterized by
- the rotating container has a posture in which the rotation axis extends vertically, and a support plate capable of supporting each of the torch components and an upper side of the support plate are provided. and a plurality of annular plates arranged side by side along the rotation axis, each of the annular plates having a through hole corresponding to the outer shape of the torch component centered on the rotation axis A plurality of through holes are formed at predetermined intervals in the circumferential direction, and each through hole of the annular plate is positioned vertically corresponding to each through hole of the adjacent annular plate.
- the annular plate is formed with a notched recess opening outward and through which the torch component can pass, and the notched recess is a notch of the adjacent annular plate. It is characterized in that it is positioned vertically corresponding to the concave portion, and is configured to be movable to the component supply area by rotating the rotating container.
- the parts transport mechanism includes a first cylinder having a first rod extending and contracting between the parts supply area and the parts replacement area. It is characterized in that the first rod presses and moves the torch component from the component supply area to the component replacement area by the extension operation of the first rod.
- a first gear is attached to the drive motor so as to rotate integrally
- the clutch mechanism is a second gear that rotationally drives the rotation containing body.
- a gear a slide shaft attached to the second gear so as to rotate integrally and slidable along the center line of the second gear, a third gear meshing with the first gear, and the slide shaft being aligned with each other.
- a second cylinder for sliding the slide shaft to the other side against the biasing force of the biasing member by extending the second rod portion.
- the shaft is provided with an engaging pawl
- the third gear is provided with an engaged pawl with which the engaging pawl is engaged when the slide shaft slides to the other side. do.
- the rotary gripper grips the torch component threadedly connected to the torch main body in the part replacement area of the rotary gripper and the drive motor is driven to reverse the rotary gripper, the torch main body is rotated. Torch components can be removed.
- the drive motor is driven in a state where rotation is transmitted between the rotating container and the drive motor by the clutch mechanism, the rotating container rotates and the replacement torch component moves to the parts supply area. will come to In this state, the torch component is transported from the component supply area to the component replacement area by the component transport mechanism, and the torch component is gripped and driven by the rotating gripper in a state in which the torch body is brought closer to the component replacement area.
- the clutch mechanism and the drive motor are arranged in dead space, so the entire device can be made more compact.
- the torch components when the torch components are inserted into the corresponding through-holes in the adjacent annular plates in order from above, the torch components are supported by the support plate and the inserted through-holes support the rotating container. are positioned in the circumferential direction of the In this way, the rotating housing body has a simple structure, and each torch component can be housed at a predetermined position, and the cost of the apparatus can be further reduced.
- the torch component dropped from the rotary gripper is removed from the torch component. It comes to pass through the notch concave portion and be discharged to the outside of the device. In this manner, the used torch components removed from the torch body can be efficiently discharged to the outside of the device without remaining in the rotating container.
- the first rod portion of the first cylinder when the first rod portion of the first cylinder is extended in a state in which the torch component for replacement is moved to the component supply area by the rotating movement of the rotary container, the first rod portion is configured to form the torch. Since the part is pressed toward the part replacement area, the torch component reaches the part replacement area from the part supply area. In this way, each torch component housed in the rotating housing body can be sequentially transported to the parts replacement area by a simple mechanism.
- the slide shaft is maintained in a state of sliding to one side by the biasing force of the biasing member, and the engaging pawl is separated from the engaged pawl.
- the drive motor rotates only the rotating gripper forward and backward. Therefore, it is possible to attach the torch components to the torch main body while the torch components housed in the rotating container are positioned in the component supply area.
- the engaging pawl engages the engaged pawl and the driving motor rotates not only the rotating gripper but also the rotating gripper.
- each torch component housed in the rotating container can be moved to the component supply area.
- the rotating container can be switched between the rotatable state and the non-rotatable state by the clutch mechanism having a simple structure.
- FIG. 1 is a perspective view of a rotary exchange device according to an embodiment of the invention
- FIG. FIG. 2 is a cross-sectional view taken along line II-II of FIG. 1
- FIG. 3 is a cross-sectional view taken along line III-III of FIG. 2
- FIG. 4 is an exploded perspective view of part of the clutch mechanism
- FIG. 3 is a cross-sectional view taken along line VV of FIG. 2
- FIG. 3 is a view equivalent to FIG. 2 showing a state immediately before removing the nozzle from the torch body
- FIG. 7 is a cross-sectional view taken along line VII-VII of FIG. 6
- 8 is a diagram showing a state in the middle of removing the nozzle from the torch body after FIG. 7;
- FIG. 9 is a diagram showing a state immediately after removing the nozzle from the torch body after FIG. 8 ;
- FIG. 10 is a diagram showing a state in which the nozzle before replacement is set in the component supply area after FIG. 9;
- FIG. 11 is a diagram showing a state immediately before the nozzle before replacement is transported from the parts supply area to the parts replacement area and attached to the torch body after FIG. 10 ;
- FIG. 12 is a cross-sectional view taken along line XI-XI of FIG. 11;
- FIG. 13 is a diagram showing a state in the middle of attaching the nozzle to the torch body after FIG. 12 ;
- 14 is a diagram showing a state immediately after the nozzle is attached to the torch body after FIG. 13;
- FIG. 13 is a diagram showing a state immediately after the nozzle is attached to the torch body after FIG. 13;
- FIG. 1 shows a rotary exchange device 1 according to an embodiment of the present invention.
- the rotary exchange device 1 exchanges a used cylindrical nozzle 11 (torch component) attached to a welding torch 10 for arc welding with a new one.
- the welding torch 10 has a substantially cylindrical torch body 10a, and a nozzle 11 is detachably screwed to the tip of the torch body 10a.
- a contact tip (not shown) is also screwed to the tip of the torch body 10a, but is not shown for convenience.
- the rotary exchange device 1 includes a body case 2 having a substantially convex shape in a side view and having an accommodation space S1 therein, and a nozzle gripping unit 3 having a substantially rectangular plate shape extending horizontally from the upper end of the body case 2 to one side. , and a rotating container 4 arranged outside the upper half of the main body case 2 and having an annular shape in a plan view.
- the main body case 2 includes an upper case 2a having a cylindrical shape with a cylinder center line extending vertically, and a lower side having a substantially disk shape having a thickness in the vertical direction and provided continuously from the lower side of the upper case 2a.
- the outer surface of the lower case 2b has a shape projecting outward from the outer surface of the upper case 2a.
- a communication hole 2c communicating with the inside of the lower case 2b is formed in a portion of the upper surface of the lower case 2b corresponding to one horizontal region of the nozzle holding unit 3, and components are supplied directly above the communication hole 2c.
- An area V1 and a parts replacement area V2 are set in order from the bottom.
- an inclined slope 2g is formed that gradually descends toward the outer side.
- a plate-shaped mounting bracket 2d extending annularly around the upper case 2a is disposed at a position closer to the lower case 2b on the outer side of the upper case 2a.
- An opening 2f penetrating vertically is formed at a position corresponding to the communication hole 2c of the mounting bracket 2d, while a position detection sensor 2e is mounted at a position opposite to the opening 2f in the mounting bracket 2d. ing.
- a drive motor 5 capable of forward and reverse rotation is arranged by servo control.
- the drive motor 5 has a position in which the rotation axis C1 extends vertically, and the drive shaft 5a protrudes upward from the upper end opening of the upper case 2a.
- a control unit 6 having a control board 6a and a component transport mechanism 7 capable of transporting the nozzle 11 are arranged, and the component transport mechanism 7 corresponds to the communication hole 2c. It is placed in a position where
- the parts transporting mechanism 7 is provided with an elongated pneumatic first cylinder 7a whose cylinder center line extends vertically. 7b.
- a cylindrical pressing member 7c is attached to the upper end of the first rod portion 7b, and the pressing member 7c is positioned in the opening portion 2f.
- the rotating container 4 has an annular shape centered on a vertically extending rotation axis C2, and is rotatably supported by the upper case 2a.
- the rotating container 4 has a first annular plate 41, a second annular plate 42, and a support plate 43, which are annular in plan view and whose outer peripheral edges extend in a wave shape in plan view, in order from above along the rotation axis C2. are arranged at intervals of
- the first annular plate 41 is formed with a first notch recess 41a which is open outward and has a substantially rectangular shape in a plan view, and a plurality of first through holes 41b corresponding to the outer shape of the nozzle 11.
- the nozzle 11 can pass through the first notch recess 41a and the first through holes 41b.
- the first notch recesses 41a and the first through holes 41b are arranged at equal intervals in the circumferential direction around the rotation axis C2.
- the first annular plate 41 has a large number of internal teeth 41c arranged side by side on the inner peripheral edge.
- the second annular plate 42 has one second notch recess 42 a that opens outward and has a substantially rectangular shape in plan view, and a plurality of second recesses 42 a that correspond to the outer shape of the nozzle 11 .
- the second notch recesses 42a and the second through holes 42b are arranged at equal intervals in the circumferential direction around the rotation axis C2, and the adjacent first annular plates 41 , corresponding to the first notch recesses 41a and the first through holes 41b, respectively.
- a guide member 43a is attached to the upper surface of the support plate 43 at a position corresponding to the second notch recess 42a, the guide member 43a being inclined downward as the upper surface goes outward.
- a plurality of support holes 43b are formed in the support plate 43 at positions corresponding to the second through holes 42b of the second annular plate 42 so as to penetrate vertically and through which the pressing member 7c of the component transport mechanism 7 can pass. ing.
- each support hole 43b has a shape corresponding to the tip opening peripheral edge of the nozzle 11, and the corresponding first through hole 41b and second through hole in the first annular plate 41 and the second annular plate 42, respectively.
- the rotating housing body 4 is configured to be able to house a plurality of nozzles 11 at predetermined intervals in the circumferential direction about the rotation axis C2, and each The nozzles 11 can be sequentially moved to the component supply area V1. Further, the rotating container 4 can move the first notch recess 41a and the second notch recess 42a to the component supply area V1 by forward and reverse rotation about the rotation axis C2.
- the pressing member 7c is The nozzle 11 is pushed toward the part exchange area V2 while passing through the support hole 43b and the second through hole 42b in order, and the nozzle 11 reaches the part exchange area V2 from the part supply area V1.
- the component transport mechanism 7 can sequentially transport the nozzles 11 accommodated in the rotating container 4 to the component replacement area V2 with a simple mechanism.
- a clutch mechanism 8 for transmitting and interrupting rotation between the rotary container 4 and the drive motor 5 is arranged so as to face the inside of the upper case 2a. That is, the drive motor 5 and the clutch mechanism 8 are located in the inner region of the rotary container 4 .
- the clutch mechanism 8 includes a second gear 81 which is a spur gear whose center line extends vertically and which meshes with the internal teeth 41c of the first annular plate 41.
- a center hole 81 a is formed in the center of the gear 81 .
- a guide tube 82 whose tube center line extends vertically is attached to the upper surface of the second gear 81 so as to surround the center hole 81a.
- a slide shaft 83 that is rotatably attached to the second gear 81 is arranged so as to be vertically slidable.
- a third gear 84 which is a spur gear, is pivotally supported on the frame portion on the other end side of the nozzle gripping unit 3 via a bearing B2.
- a cylindrical shaft portion 84a is provided that extends vertically along the .
- a slide shaft 83 is slidably and rotatably fitted to the cylindrical shaft portion 84a.
- three engaging claws 84b protruding inward are provided at equal intervals in the circumferential direction of the cylindrical shaft portion 84a on the upper end edge portion of the cylindrical shaft portion 84a, and the slide shaft 83 extends upward (on the other side).
- the engaging claws 83a enter and engage with the engaged claws 84b, so that the third gear 84 and the slide shaft 83 rotate integrally.
- a coil spring 85 biasing member
- a second cylinder 86 having a second rod portion 86a that vertically expands and contracts is arranged below the second gear 81 .
- the second rod portion 86a of the second cylinder 86 is located inside the center hole 81a and the guide tube 82, and is extended so that the slide shaft 83 is slid upward against the biasing force of the coil spring 85. It's becoming
- a rotary gripper 9 is provided in one end region of the nozzle gripping unit 3, and the rotary gripper 9 is positioned in the parts replacement region V2.
- the rotating gripper 9 includes a driven gear 91 and a rotating disk 92, in which a vertically extending rotation axis C3 is set at the center of the part replacement area V2. It is pivotally supported by the frame portion of the nozzle gripping unit 3 via a bearing B3.
- the driven gear 91 and the rotating disk 92 are configured to be relatively rotatable about the rotation axis C3 via the bearing B4.
- the driven gear 91 rotates in the reverse direction (rotates in the X1 direction) via the first gear 31 as shown in FIG. , through the first gear 31 (rotate in the X2 direction).
- the driven gear 91 has a substantially ring shape, and the inner peripheral surface of the driven gear 91 has four concave fitting portions 91a that open to the inner surface of the driven gear 91. As shown in FIG. They are provided at regular intervals in the circumferential direction around the rotation axis C3.
- the rotating disk 92 includes an upper disk 92a and a lower disk 92b that are positioned above and inside the driven gear 91, respectively.
- the upper disk 92a has a substantially disk shape, and a circular upper nozzle passage hole 92c corresponding to the part replacement area V2 is formed in the center thereof.
- a circular lower nozzle communication hole 92d corresponding to the part replacement area V2 is formed in the center of the lower disk 92b.
- a leaf spring (not shown) is arranged to increase the resistance value between the upper disk 92a and the driven gear 91.
- An insertion hole 93a is formed approximately in the center of each gripper 93, and a rotation shaft 93b extending in the same direction as the rotation axis C3 is inserted through the insertion hole 93a.
- Each end of the rotating shaft 93b is fixed to the upper disk 92a and the lower disk 92b, respectively, and the gripping body 93 is supported by the rotating disk 92 so as to be rotatable about the rotating shaft 93b.
- a pair of claw portions 93c are provided at the tip of the gripper 93 so as to protrude toward the part replacement area V2, and the claw portions 93c are spaced apart in the circumferential direction around the rotation axis C3.
- a projection-shaped base portion 93d that protrudes to the opposite side of the part replacement area V2 is provided at the center of the base end side of the gripper 93, and the base portion 93d is loosely fitted to the corresponding fitting portions 91a. .
- the rotary gripper 9 can grip the nozzle 11 in the parts replacement area V2 by reversing it around its central axis.
- the driven gear 91 rotates relatively to the other side (X2 direction) with respect to the rotating disk 92, and each fitting interlocking with it rotates.
- the gripping body 93 rotates to the other side (Z2 direction), and one of the claw portions 93c retreats from the part replacement area V2. is released.
- the nozzles 11 that have been released from the gripping state by the grippers 93 drop from the component replacement area V2 and are ejected to the outside of the rotary replacement device 1 .
- the rotary gripper 9 can grip the nozzle 11 by rotating forward about its central axis in the component replacement area V2.
- the torch body 10a is brought closer to the part replacement area V2 and is applied to the nozzle 11, and the drive motor 5 is further reversed. It is adapted to be threadedly connected to the main body 10a.
- the driven gear 91 moves against the rotating disk 92. It rotates relatively to one side (X1 direction), and the gripping body 93 rotates to one side by pressing the base 93d of each fitting part 91a to the one side in conjunction therewith, and the claw part 93c on the other side rotates.
- the nozzle 11 is released from the holding state of the nozzle 11 by each holding member 93 by retreating from the component replacement area V2.
- the used nozzle 11 attached to the torch body 10a is moved to be placed in the component replacement area V2 of the rotary gripper 9 from above.
- the rotating container 4 is at the reference position P1 where the first notch recess 41a and the second notch recess 42a are located in the parts replacement area V2.
- the second rod portion 86a of the second cylinder 86 is in a contracted state, and the engaging claws 83a of the slide shaft 83 are not engaged with the engaged claws 84b of the third gear 84. state.
- the driven gear 91 is rotated in the other direction (X2 direction) relative to the rotating disk 92 .
- each fitting portion 91a presses the base portion 93d to one side in conjunction with the rotation of the driven gear 91 relative to the rotating disk 92 to one side.
- 93 rotates to one side (Z1 direction), and one claw portion 93c advances to the component replacement area V2 to grip the nozzle 11.
- each fitting portion 91a presses the base portion 93d to the other side in conjunction with the rotation of the driven gear 91 relative to the rotating disk 92 to the other side, and the gripping body 93 rotates to the other side by the pressing operation.
- one claw portion 93c retreats from the component replacement area V2.
- the gripping state of the nozzle 11 by each gripper 93 is released, and the nozzle 11 drops from the component replacement area V2.
- the dropped used nozzle 11 passes through the first cutout recess 41a and the second cutout recess 42a, is then guided obliquely downward by the guide member 43a, and is discharged to the outside of the rotary exchange device 1. be done.
- the drive motor 5 rotates forward.
- the third gear 84 and the slide shaft 83 which mesh with the first gear 31 and rotate in reverse, rotate integrally, the second gear 81 rotates in reverse, and the rotating container 4 rotates in accordance with this.
- the first cylinder 7a of the component transport mechanism 7 is operated to extend the first rod portion 7b.
- the first rod portion 7b pushes up the nozzle 11 located in the component supply area V1 from below while passing through the support hole 43b and the second through hole 42b.
- the nozzle 11 reaches the component replacement area V2 while being guided by the first through hole 41b and the second through hole 42b.
- the driven gear 91 is rotated in one direction (X1 direction) relative to the rotating disk 92 .
- each fitting portion 91a presses the base portion 93d to the other side in conjunction with the rotation of the driven gear 91 relative to the rotating disk 92, and the pressing operation is performed.
- the gripper 93 rotates to the other side (Z2 direction), and the other claw portion 93c advances to the component replacement area V2 to grip the nozzle 11.
- each fitting portion 91a presses the base portion 93d to one side in conjunction with the relative rotation of the driven gear 91 to one side with respect to the rotating disk 92, and the gripping body 93 rotates to one side due to the pressing operation.
- the other claw portion 93c retreats from the component replacement area V2, and the nozzle 11 is released from each gripper 93. As shown in FIG.
- the nozzle 11 threadedly connected to the torch body 10a is gripped by the rotary gripper 9 in the part replacement area V2 of the rotary gripper 9, and the drive motor 5 is driven to rotate and grip.
- the body 9 is inverted, the nozzle 11 can be removed from the torch body 10a.
- the drive motor 5 is driven in a state where rotation is transmitted between the rotating container 4 and the drive motor 5 by the clutch mechanism 8, the rotating container 4 rotates and the replacement nozzle 11 supplies the parts. It will move to area V1.
- the nozzle 11 is transported from the parts supply area V1 to the parts replacement area V2 by the parts transport mechanism 7, and the nozzle 11 is moved by the rotating gripper 9 in a state in which the torch main body 10a is brought close to the parts replacement area V2.
- the nozzle 11 is attached to the torch body 10a by gripping and driving the drive motor 5 to rotate the rotary gripper 9 forward.
- the clutch mechanism 8 is used for linking the drive motor 5 and the rotary gripper 9, it is possible to prevent a large load from being applied when the drive motor 5 and the rotary gripper 9 are linked. It is possible to prevent deformation and breakage around the rotary gripper 9 and the driving motor 5 for exchanging work.
- the entire rotation exchange device 1 can be made more compact.
- the rotation housing body 4 can be configured to accommodate each nozzle 11 at a predetermined position, and the rotation exchange device 1 can be made at a lower cost.
- the gripping state of the nozzle 11 removed from the torch main body 10a by the rotating gripper 9 is released in a state in which the first notch recess 41a and the second notch recess 42a are moved to the component supply region V1
- the falling nozzle 11 passes through the first notch recess 41 a and the second notch recess 42 a and is discharged to the outside of the rotary exchange device 1 .
- the nozzle 11 removed from the torch main body 10a after being used can be efficiently discharged to the outside of the rotary exchange device 1 without remaining in the rotary container 4.
- the clutch mechanism 8 when the second rod portion 86a of the second cylinder 86 is contracted, the biasing force of the coil spring 85 keeps the slide shaft 83 in a downwardly slidable state, and the engaging claws 83a are engaged with each other. It is separated from the engaging claw 84b, and the drive motor 5 rotates only the rotating gripper 9 forward and backward. Therefore, the nozzle 11 can be attached to the torch main body 10a in a state in which the nozzle 11 accommodated in the rotating container 4 is positioned in the component supply area V1.
- the rotary exchange device 1 is for exchanging the nozzle 11 for the torch body 10a, but is not limited to this. It is also possible to replace the contact tip by rotating it around its central axis.
- the coil spring 85 is used as the biasing member for generating the biasing force on the slide shaft 83 in the clutch mechanism 8, but other biasing members may be used, such as a rubber member. , a cylinder, or the like.
- the rotation axis C1 of the drive motor 5, the rotation axis C2 of the rotary container 4, and the rotation axis C3 of the rotary gripper 9 extend vertically.
- the present invention is not limited to this, and a posture in which the rotation axes C1 to C3 are tilted may be adopted.
- each nozzle 11 is positioned by two first annular plates 41 and second annular plates 42 in the rotating container 4, but the present invention is not limited to this. , the positioning of each nozzle 11 may be performed.
- the present invention is suitable, for example, for a rotary exchange device for exchanging torch components such as a nozzle and a contact tip that are threadedly connected to the tip of a torch body of a welding torch used for arc welding.
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Abstract
Description
4 回転収容体
5 駆動モータ
7 部品運搬機構
7a 第1シリンダ
7b 第1ロッド部
8 クラッチ機構
9 回転把持体
10 溶接トーチ
10a トーチ本体
11 ノズル(トーチ構成部品)
31 第1ギア
41 第1環状プレート
41a 第1切欠凹部
41b 第1貫通孔
42 第2環状プレート
42a 第2切欠凹部
42b 第2貫通孔
43 支持プレート
81 第2ギア
83 スライド軸
83a 係合爪
84 第3ギア
84b 被係合爪
85 コイルバネ(付勢部材)
86 第2シリンダ
86a 第2ロッド部
C1~C3 回転軸心
V1 部品供給領域
V2 部品交換領域
Claims (6)
- 溶接トーチのトーチ本体に対してトーチ構成部品を正転させて取り付けるか、或いは、逆転させて取り外すよう構成された回転交換装置であって、
部品交換領域において前記トーチ構成部品をその中心軸を中心として正逆回転可能に把持可能な回転把持体と、
回転軸心を中心とした周方向に複数の前記トーチ構成部品を所定の間隔をあけて収容可能に構成され、前記回転軸心周りの回転動作により前記各トーチ構成部品を部品供給領域へと順次移動させる回転収容体と、
前記トーチ構成部品を前記部品供給領域から前記部品交換領域へと運搬する部品運搬機構と、
前記回転把持体を正逆回転駆動させる駆動モータと、
前記回転収容体と前記駆動モータとの間の回転の伝達と遮断とを行うクラッチ機構とを備えていることを特徴とする回転交換装置。 - 請求項1に記載の回転交換装置において、
前記回転収容体は、前記回転軸心を中心とした環状をなしており、その内側領域に前記駆動モータと前記クラッチ機構とが配設されていることを特徴とする回転交換装置。 - 請求項2に記載の回転交換装置において、
前記回転収容体は、前記回転軸心が上下に延びる姿勢となっており、前記各トーチ構成部品を支持可能な支持プレートと、該支持プレートの上方に配設され、前記回転軸心に沿って並設された複数の環状プレートとを備え、
前記各環状プレートには、前記トーチ構成部品の外形に対応する貫通孔が前記回転軸心を中心とした周方向に所定の間隔をあけて複数形成され、
前記環状プレートの各貫通孔は、隣り合う前記環状プレートの各貫通孔と上下に対応する位置となっていることを特徴とする回転交換装置。 - 請求項3に記載の回転交換装置において、
前記環状プレートには、外側方に開放するとともに前記トーチ構成部品が通過可能な切欠凹部が形成され、
該切欠凹部は、隣り合う前記環状プレートの切欠凹部と上下に対応する位置となっており、前記回転収容体の回転動作により、前記部品供給領域へと移動可能に構成されていることを特徴とする回転交換装置。 - 請求項1から4のいずれか1つに記載の回転交換装置において、
前記部品運搬機構は、前記部品供給領域と前記部品交換領域との間を伸縮する第1ロッド部を有する第1シリンダを備え、前記第1ロッド部の伸長動作により当該第1ロッド部が前記トーチ構成部品を前記部品供給領域から前記部品交換領域へと押圧して移動させるよう構成されていることを特徴とする回転交換装置。 - 請求項1から5のいずれか1つに記載の回転交換装置において、
前記駆動モータには、第1ギアが回転一体に取り付けられ、
前記クラッチ機構は、前記回転収容体を回転駆動させる第2ギアと、該第2ギアに回転一体に取り付けられるとともに当該第2ギアの中心線に沿ってスライド可能に構成されたスライド軸と、前記第1ギアに噛み合う第3ギアと、前記スライド軸を一側にスライドするよう付勢する付勢部材と、第2ロッド部の伸長動作により前記スライド軸を前記付勢部材の付勢力に抗して他側にスライドさせる第2シリンダとを備え、
前記スライド軸には、係合爪が設けられ、
前記第3ギアには、前記スライド軸が他側にスライドした際に前記係合爪が係合する被係合爪が設けられていることを特徴とする回転交換装置。
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP22907045.3A EP4417354A1 (en) | 2021-12-14 | 2022-10-28 | Rotating replacement device |
KR1020247019256A KR20240099458A (ko) | 2021-12-14 | 2022-10-28 | 회전식 교환장치 |
CN202280081561.1A CN118369176A (zh) | 2021-12-14 | 2022-10-28 | 旋转更换装置 |
CA3238569A CA3238569A1 (en) | 2021-12-14 | 2022-10-28 | Rotary changer |
MX2024006269A MX2024006269A (es) | 2021-12-14 | 2022-10-28 | Dispositivo rotativo de sustitucion. |
US18/733,784 US20240316677A1 (en) | 2021-12-14 | 2024-06-04 | Rotary changer |
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JP2021202246A JP2023087773A (ja) | 2021-12-14 | 2021-12-14 | 回転交換装置 |
JP2021-202246 | 2021-12-14 |
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US18/733,784 Continuation US20240316677A1 (en) | 2021-12-14 | 2024-06-04 | Rotary changer |
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WO2023112511A1 true WO2023112511A1 (ja) | 2023-06-22 |
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US (1) | US20240316677A1 (ja) |
EP (1) | EP4417354A1 (ja) |
JP (1) | JP2023087773A (ja) |
KR (1) | KR20240099458A (ja) |
CN (1) | CN118369176A (ja) |
CA (1) | CA3238569A1 (ja) |
MX (1) | MX2024006269A (ja) |
WO (1) | WO2023112511A1 (ja) |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH06312266A (ja) * | 1993-04-30 | 1994-11-08 | Hitachi Zosen Corp | 溶接用チップ自動交換装置 |
JPH11239876A (ja) * | 1998-02-25 | 1999-09-07 | Hitachi Zosen Corp | 溶接ロボット用トーチのノズルクリーニング・チップ交換装置 |
JP2002192345A (ja) | 2000-12-25 | 2002-07-10 | Sekisui Chem Co Ltd | 溶接ノズル・チップの交換装置 |
JP2013013929A (ja) * | 2011-07-06 | 2013-01-24 | Kobe Steel Ltd | 溶接用チップ交換装置、溶接用チップ交換システムおよび溶接用チップ交換方法 |
WO2017179237A1 (ja) * | 2016-04-11 | 2017-10-19 | 株式会社チップマン | 回転交換装置 |
CN211804735U (zh) * | 2020-01-20 | 2020-10-30 | 珠海啄木鸟自动化设备有限公司 | 一种焊枪导电嘴自动更换设备 |
-
2021
- 2021-12-14 JP JP2021202246A patent/JP2023087773A/ja active Pending
-
2022
- 2022-10-28 EP EP22907045.3A patent/EP4417354A1/en active Pending
- 2022-10-28 CN CN202280081561.1A patent/CN118369176A/zh active Pending
- 2022-10-28 KR KR1020247019256A patent/KR20240099458A/ko unknown
- 2022-10-28 WO PCT/JP2022/040283 patent/WO2023112511A1/ja active Application Filing
- 2022-10-28 MX MX2024006269A patent/MX2024006269A/es unknown
- 2022-10-28 CA CA3238569A patent/CA3238569A1/en active Pending
-
2024
- 2024-06-04 US US18/733,784 patent/US20240316677A1/en active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH06312266A (ja) * | 1993-04-30 | 1994-11-08 | Hitachi Zosen Corp | 溶接用チップ自動交換装置 |
JPH11239876A (ja) * | 1998-02-25 | 1999-09-07 | Hitachi Zosen Corp | 溶接ロボット用トーチのノズルクリーニング・チップ交換装置 |
JP2002192345A (ja) | 2000-12-25 | 2002-07-10 | Sekisui Chem Co Ltd | 溶接ノズル・チップの交換装置 |
JP2013013929A (ja) * | 2011-07-06 | 2013-01-24 | Kobe Steel Ltd | 溶接用チップ交換装置、溶接用チップ交換システムおよび溶接用チップ交換方法 |
WO2017179237A1 (ja) * | 2016-04-11 | 2017-10-19 | 株式会社チップマン | 回転交換装置 |
CN211804735U (zh) * | 2020-01-20 | 2020-10-30 | 珠海啄木鸟自动化设备有限公司 | 一种焊枪导电嘴自动更换设备 |
Also Published As
Publication number | Publication date |
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CN118369176A (zh) | 2024-07-19 |
MX2024006269A (es) | 2024-06-11 |
EP4417354A1 (en) | 2024-08-21 |
US20240316677A1 (en) | 2024-09-26 |
CA3238569A1 (en) | 2023-06-22 |
JP2023087773A (ja) | 2023-06-26 |
KR20240099458A (ko) | 2024-06-28 |
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