WO2004060779A1 - 容器のチャック装置、そのチャック装置を備えた搬送装置及びそのチャック爪 - Google Patents
容器のチャック装置、そのチャック装置を備えた搬送装置及びそのチャック爪 Download PDFInfo
- Publication number
- WO2004060779A1 WO2004060779A1 PCT/JP2003/017045 JP0317045W WO2004060779A1 WO 2004060779 A1 WO2004060779 A1 WO 2004060779A1 JP 0317045 W JP0317045 W JP 0317045W WO 2004060779 A1 WO2004060779 A1 WO 2004060779A1
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- WO
- WIPO (PCT)
- Prior art keywords
- arm
- chuck
- cam
- drive unit
- chuck device
- Prior art date
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G47/00—Article or material-handling devices associated with conveyors; Methods employing such devices
- B65G47/74—Feeding, transfer, or discharging devices of particular kinds or types
- B65G47/84—Star-shaped wheels or devices having endless travelling belts or chains, the wheels or devices being equipped with article-engaging elements
- B65G47/846—Star-shaped wheels or wheels equipped with article-engaging elements
- B65G47/847—Star-shaped wheels or wheels equipped with article-engaging elements the article-engaging elements being grippers
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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
- 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
- B65G2201/0235—Containers
- B65G2201/0244—Bottles
Definitions
- the present invention relates to a container chuck device, a transfer device provided with the chuck device, and a chuck claw thereof.
- the present invention relates to a container chuck device, a transfer device provided with the chuck device, and a chuck claw thereof.
- a star wheel device which can transfer a bottle at an appropriate position on a rotation path of a wheel.
- a means for holding a bottle in a star wheel device for example, a device using an attraction force tap (for example, see Japanese Patent Application Laid-Open No. 11-106039) or a pair of openable and retractable chuck claws is used. (For example, see Japanese Patent Application Laid-Open No. 10-72443).
- the chuck type star wheel device is considered to be more suitable for high-speed operation than the suction type, but when a mechanical type chuck device is provided, simplification of the mechanism and flexibility of operation are required. You. In addition, when a large number of chuck devices are provided, the maintenance work of the chuck claws becomes complicated unless the chuck claws can be attached to and detached from the chuck devices with good precision.
- the present invention provides a chuck device that can increase the degree of freedom in designing the operation of the arm, simplify the configuration, and enhance the adaptability of the transfer speed to high speed, and a transfer device using the chuck device.
- a second object of the present invention is to provide a chuck device capable of easily attaching and detaching the chuck claws, a chuck claw used in the chuck device, and a transport device using these.
- a first chuck device of the present invention includes a supporting device.
- a pair of arms rotatably supported by the supporting means via a pair of arm shafts, and provided with a chuck claw for gripping a container at a tip portion which opens and closes with rotation around the arm shaft;
- An operation member operable from the outside, a first drive unit inside each of the pair of arms, the first drive unit being rotatable integrally with the one arm around an arm axis related to the one arm
- a second drive unit which is located closer to the distal end portion of the arm than the first drive unit and is rotatable integrally with the other arm around an arm axis for the other arm,
- Each of the pair of arms is urged by urging means in a direction in which a respective tip end closes around the arm axis, and between the operating member and the first driving unit, Luck associated with external operations
- a drive input mechanism for converting the first drive unit into a rotational motion about the arm axis of the first drive unit, wherein the first drive unit and the second drive unit are provided between the first drive unit and the second drive
- the second driving unit when the first driving unit is rotated around the arm axis by operating the operating member, the second driving unit is also rotated around the arm axis in conjunction with the rotation, and a pair of the driving units is rotated.
- the arm rotates to open and close the chuck pawl.
- the movement of the operating member is transmitted from the first drive unit to one arm to rotate the arm, and the rotational movement is transmitted to the second drive unit via the interlocking mechanism.
- the operation mode of each arm can be appropriately set.
- the movement input mechanism may convert the movement of the operation member into the rotation movement of the first drive unit using a cam mechanism. If a cam mechanism is used, it is only necessary to press a mating part (cam follower) against the cam surface, and there is no need to interconnect components such as a link mechanism. Therefore, the configuration is simplified, and assembly and disassembly can be easily performed.
- the cam mechanism of the motion input mechanism includes an arm drive cam that is supported by the support means in a rotatable state around a cam axis parallel to the arm axis and has a cam surface on an outer periphery thereof,
- An arm driving cam is disposed on the opposite side of the second driving unit with respect to the first driving unit, and the operation member is provided to rotate the arm driving cam by an operation from the outside;
- the cam surface of the arm drive cam is located at a position where the first drive unit is pushed out to the second drive unit side and a side opposite to the second drive unit with the rotation of the arm drive cam. You may be comprised so that it may reciprocate with the retracted position.
- the direction in which the arm drive cam reciprocates in accordance with the operation direction of the operation member to push out the first drive unit toward the second drive unit, or the direction away from the second drive unit side Is driven.
- the second driving unit is pressed against the first driving unit by the urging means, so that the second driving unit is interlocked with the first driving unit even when the first driving unit is driven in any direction. And rotate around the arm axis.
- the first drive unit may be provided with a first roller that contacts a cam surface of the arm drive cam. By using the rollers, the frictional resistance against the cam surface can be reduced and the operation of the mechanism can be smoothed. Further, a roller shaft parallel to the arm axis is provided in the first drive unit, a first roller in contact with a cam surface of the arm drive cam on the roller shaft, and a second drive unit. A second roller in contact with the second roller may be provided.
- a holding unit for holding the first driving unit at a position pushed toward the second driving unit may be provided on a cam surface of the arm driving force.
- the first driving unit is guided to the holding unit, and thereafter, the arm driving force and the first driving unit are defined without applying any force to the operation member. Position and keep the check claws open. Can be Therefore, the mechanism for operating the operation member is simplified. If a cam groove or the like is provided along the transport path to hold the operation member, the size of the cam will increase and the cost will increase.In particular, in the case of the cam groove, frequent cleaning is performed to prevent clogging. Necessary and troublesome. When the holding portion is provided on the cam surface, such a disadvantage is solved.
- the interlocking mechanism may use a force mechanism to convert the rotational movement of the first drive unit to the rotational movement of the second drive unit. Also in this case, the use of the cam mechanism eliminates the need to interconnect the first drive unit and the second drive unit. Therefore, the configuration is simplified, and assembly and disassembly can be easily performed. In particular, it is most preferable to use a cam mechanism for both the motion input mechanism and the interlocking mechanism.
- the cam mechanism of the interlocking mechanism the second drive unit is provided with a cam surface that is in contact with the first drive unit. By giving the cam surface various shapes, the interlocking relation of one arm to the other arm can be changed.
- the urging means may include spring means disposed between the supporting means and the other arm to urge the other arm in a direction in which the chuck pawl closes. Just providing the biasing means between the arms cannot restrict the movement of each arm tilting in the same direction around the arm axis. When such a movement occurs, the first drive unit and the second drive unit are displaced away from each other, and the interlocking relationship of each arm is temporarily lost, so that each arm can move freely. . According to the above aspect in which the urging means is provided between the support means and the other arm while the force is being applied, the second drive unit is moved to the first drive unit side regardless of the operation state of the arm. Can be held down.
- a torsion coil spring may be provided on each of the pair of arm shafts for urging the pair of arms in a direction in which the tip ends close.
- the urging means includes the pair of arms on each of the pair of arm shafts.
- a torsion coil spring may be provided for urging the distal end in the closing direction, and both ends of the pair of arm shafts and a cam shaft rotatably supporting the arm driving cam may be supported by the support means. .
- the first transfer device of the present invention includes the first chuck device of the present invention described above and the support means of the chuck device along a predetermined transfer path. And a moving body for moving the object.
- the container can be transported by moving the movable body while holding the container with the chuck device.
- the moving body may be provided with a plurality of the chuck devices arranged along a transport path.
- the chuck devices are arranged outward on the outer periphery of the rotating wheel, that is, the chuck claws are arranged so as to face the outer peripheral side, a star wheel type transfer device can be configured.
- an operation section for operating the operation member in contact with the operation member as the chuck device moves may be provided on the transport path. If the operation member is appropriately operated by the operation unit, the chuck claw can be closed at a specific position of the transport path, or the chuck claw can be opened and the container can be taken in or taken out of the chuck device.
- the operation section may include a movable section movable between an operation position in contact with the operation member to operate the operation member and a standby position separated from the operation member.
- a movable section movable between an operation position in contact with the operation member to operate the operation member and a standby position separated from the operation member.
- the movable portion may be driven between the operating position and the standby position by an electric servomotor. If a servomotor is used, the driver can be operated at high speed and accurately. Therefore, the adaptability of the transport speed to the high speed is improved.
- a second chuck device of the present invention is a chuck device in which a chuck claw is detachably attached to a distal end portion of an arm driven to realize a gripping operation.
- the arm is provided with a receiving surface depressed in a cylindrical shape, and a holding piece having a cylindrical outer peripheral surface curved along the receiving surface is provided on the receiving surface by a fastening means. Is provided in a state capable of being tightened toward The chuck pawl is provided with a mounting base that curves along the receiving surface and can be inserted between the holding piece and the receiving surface.
- the tightening of the holding piece by the fastening means is loosened to enlarge the gap between the receiving surface and the holding piece, and the mounting base of the chuck pawl is inserted into the gap to face the holding piece toward the receiving face.
- the chuck claw can be sandwiched and held between the presser piece and the receiving surface. Since the receiving surface and the holding piece are cylindrical, the chuck pawl is prevented from rotating by the receiving surface and the holding piece. Therefore, there is no need to perform any additional operations to prevent the presser pieces and the check claws from rotating. For example, even when a single bolt is provided as a fastening means, there is no risk that the chuck pawl will rotate around the bolt. Therefore, according to the second chuck device of the present invention, the chuck claws can be easily attached and detached.
- the fastening means is preferably a bolt.
- a detent since a detent is not required, only a single bolt should be used as a fastening means for one holding piece.
- a slit for passing the bolt is formed in the attachment base of the chuck claw. If a bolt is passed through such a slit, the mounting base can be inserted deep into the gap between the receiving surface and the holding piece without removing the bolt. Therefore, attachment / detachment of the chuck pawl can be more easily performed.
- the arm is provided with a chuck receiving portion for receiving a reaction force acting on the chuck pawl with the gripping operation, and the receiving surface is arranged so as to be continuous with a side of the chuck receiving portion in contact with the chuck pawl.
- the direction in which the port is attached to the receiving surface may be set such that the direction of attachment of the port toward the rear end of the arm is from the receiving surface toward the back side of the arm in contact with the chuck pawl. . According to this aspect, even if the chuck receiving portion is made thin, the screwing depth of the bolt can be sufficiently ensured.
- an arm shaft for rotatably supporting the arm is provided behind the receiving surface, and the bolt may be screwed between the receiving surface and the arm shaft.
- the arm is provided as a pair of left and right arms, the receiving surface is provided inside each arm, and the port is provided so as to be screwed into the arm through the holding piece from inside each arm, and the tip of the chuck claw is provided.
- the portion may be provided with a slit into which a tool for operating the port can be inserted. According to this aspect, by inserting a tool such as a wrench using the slit on the tip side of the chuck claw, the porto hidden between the chuck claws can be easily and sufficiently operated.
- a spring means may be provided between the holding pieces attached to the receiving surface of each arm so as to attract the holding pieces to each other.
- the holding piece is pulled by the spring means and moves away from the receiving surface. Therefore, the mounting base of the chuck claw can be easily inserted into and removed from the gap between the holding piece and the receiving surface.
- the chuck jaws may be made of various materials, but preferably, the chuck jaws are made of metal. If it is made of metal, sufficient strength can be ensured even if the chuck claws are made thin, and the elasticity of the chuck claws can enhance the adaptability of the chuck claws to the shape and size of the article to be grasped. In addition, by making the chuck claws thinner, the space between the chuck devices can be reduced by reducing the pitch between the chuck devices, particularly when many chuck devices are used side by side.
- the chuck claw of the present invention has a grip portion for performing a gripping operation formed on one end side, and a mounting base curved in a cylindrical surface shape formed on the other end side.
- a check claw can be suitably used for the second check device of the present invention.
- the mounting base may be provided with a slit extending in a circumferential direction of a cylindrical shape drawn by the mounting base.
- the grip may be provided with a slit that divides the grip in the axial direction of the cylindrical shape drawn by the mounting base.
- a second transfer device of the present invention includes a movable body that can pivot around a predetermined center, and the above-described second chuck device of the present invention, wherein the chuck device is disposed along an outer periphery of the movable body. Are provided side by side. According to such a transport device, the advantage of the chuck device of the present invention that the hook claws can be easily attached and detached can be effectively exhibited.
- FIG. 1 is a plan view of a star wheel device to which the chuck device of the present invention is applied;
- FIG. 2 is a side view of the chuck device of FIG. 1;
- Fig. 3 is a sectional view taken along the line ⁇ _ ⁇ in Fig. 2;
- FIG. 4 is a diagram showing the chuck device viewed from the direction of arrow IV in FIG. 2;
- FIG. 5 is a cross-sectional view taken along line VV in FIG. 3;
- Figure 6 is a cross-sectional view along the line VI-VI of Figure 5;
- FIG. 7 is a diagram showing the state of the chuck device viewed from the direction of arrow VII in FIG. 2;
- FIG. 8 is a cross-sectional view taken along line ⁇ _ ⁇ in FIG. 5;
- Fig. 9 is a sectional view along line IX-IX of Fig. 5;
- FIG. 10 is a schematic view from the tip side of the chuck device
- Fig. 11 is a perspective view of the chuck claw
- Fig. 12 is an enlarged view of the vicinity of the loading position in Fig. 1;
- Fig. 13 is an enlarged view showing the state of unloading the bottle at the first unloading position in Fig. 1;
- Fig. 14 is an enlarged view showing the state of unloading the bottle at the 1st unloading position in Fig. 1;
- Fig. 15 is an enlarged view showing the unloading of the bottle at the 2nd unloading position in Fig. 1;
- Fig. 16 is along the arm axis in another embodiment using a torsion coil spring as the biasing means. Sectional view;
- FIG. 17 is a diagram showing the chuck device viewed from the direction of arrow XVII in FIG. 16;
- FIG. 18 is a plan view of the chuck device in FIG.
- FIG. 19 is a sectional view taken along the line XIX—XIX in FIG. 16;
- FIG. 20 is a sectional view corresponding to FIG. 5 of the chuck device of FIG. 16; and FIG. 21 is a view showing another example of a fastening means for the pressing piece.
- FIG. 1 is a plan view of a starwheel device for transporting a beer bottle to which the hacking device of the present invention is applied.
- the starwheel device 1 is, for example, configured as an outlet-side starwheel device of an inspection device for inspecting a bottle ⁇ ⁇ , and is loaded from another starwheel device 2 that holds the bottle ⁇ ⁇ being inspected to a loading position ⁇ 1.
- the first unloading position P2 or the second unloading position P3 is configured to send out the first unloading conveyor 3 or the second unloading conveyor 4.
- a number of chuck devices 5... 5 are arranged on the outer periphery of the star wheel device 1 at a constant pitch in the circumferential direction.
- the chuck device 5 includes a base 10 and a check claw 50 for holding the bottle BT.
- the base 10 is fixed to the outer periphery of the wheel (moving body) 6 of the star wheel device 1 using fixing means 7 such as bolts.
- the wheel 6 is driven to rotate in a predetermined rotational direction (indicated by an arrow R in FIG. 1) about a wheel center Cw in FIG. 1 by a drive device (not shown). Accordingly, the chuck device 5 is also driven to rotate about the wheel center Cw together with the wheel 6.
- Guides 13 are attached to the base 10.
- the guide 13 has a guide surface 13a curved along the outer periphery of the bottle BT.
- the radius of curvature of the guide surface 13 a of the guide 13 is set to be somewhat larger than the radius of the bottle BT in consideration of an error in the diameter of the bottle BT to be gripped by the chuck device 5.
- the guide 13 may be replaced according to the force for providing the guides 13 according to the bottles B T having the maximum diameter, or the bottles B T may be replaced.
- the guide 13 may be omitted. As shown in FIGS.
- a pair of left and right arms 15 L, 15 R extend vertically in the upper surface side of the base 10 and are rotatable around arm axes 16 L, 16 R. It is attached to.
- the arm shafts 16L and 16R are provided symmetrically with respect to a reference line CL connecting the center Cb of the bottle BT and the wheel center Cw (see FIG. 1).
- the upper ends of the arm shafts 16L and 16R are connected to each other via a top plate 14 and bolts 14a.
- a guide 13 is also attached to the top plate 14.
- the right and left sides of the chuck device 5 are defined in a state where the chuck device 5 is viewed from the wheel center Cw side along the reference line CL. Accordingly, the upper side of the reference line CL in FIG. 3 and the right side in FIG. 4 correspond to the left side of the chuck device 5, respectively.
- a roller shaft 17 is mounted inside the arm 15L in parallel with the arm shaft 16L, and an outer periphery of a lower portion of the roller shaft 17 is provided.
- a first roller 18 is rotatably mounted.
- a bracket 20 is fixed to the lower surface side of the base 10 using a port 20a, and a cam shaft 21 extending vertically is rotatably attached to the bracket 20.
- the camshaft 21 is disposed on the reference line CL and shifted to the wheel center Cw side (left side in FIG. 5) from the roller shaft 17. As shown in FIG.
- the lower end of the camshaft 21 protrudes below the base 10, and the cam drive lever 22 is attached to the protruding portion so as to be able to rotate integrally with the camshaft 21.
- a cam drive roller 23 as an operation member is attached to the tip of the cam drive lever 22 so as to be rotatable around a support shaft (bolt) 24.
- an arm drive cam 25 is attached to the upper end of the cam shaft 21 so as to be able to rotate integrally with the cam shaft 21.
- the arm drive cam 25 has a cam surface 26 that is in contact with the first roller 18.
- the cam surface 26 is configured by smoothly connecting the first concave portion 26a, the second concave portion 26b as a holding portion, and the convex portion 26c disposed therebetween. I have.
- the radius of curvature of each of the recesses 26 a and 26 b is slightly larger than the radius of the first roller 18.
- the distance of the cam surface 26 from the rotation center of the cam shaft 21 is minimum at the bottom of the first concave portion 26a, and is maximum near the boundary between the convex portion 26c and the second concave portion 26b.
- the distance from the rotation center of the camshaft 21 to the bottom of the second recess 26b is sufficiently larger than the distance from the rotation center of the camshaft 21 to the bottom of the first recess 26a.
- an arm drive section (second drive section) 28 is provided on the right arm 15 R so as to face the camshaft 21.
- 8 has a cam surface 30.
- a second roller 31 is rotatably mounted on the outer periphery of the roller shaft 17 corresponding to the cam surface 30.
- a post 32 is arranged behind the left arm 15L, and the upper end of the post 32 is fixed to the top plate 14 (see FIG. 5).
- the bore 32 is provided with a spring receiving hole 32a, and the spring receiving hole 32a and the spring receiving hole 15a provided at the rear end of the right arm 15R. Between them, a coil spring 33 is attached in a compressed state.
- the post 32 is connected to the base 10 via the top plate 14 and the arm shafts 16L and 16R, and functions as a part of the support means for the arms 15L and 15R. You. Therefore, the arm 15R is pressed in the direction to close the chuck pawl 50 by the spring 33 as the urging means provided between the arm 15R and the supporting means.
- a bolt 34 guiding the inner periphery of the coil spring 33 is attached to the boss 32.c As shown in Fig. 3, the springs of the arms 15L and 15 are located below the coil spring 33.
- a coil spring 35 as another urging means is mounted in a compressed state between the receiving portions 15b and 15c.
- the arms 15L and 151 move in the direction in which the chuck receivers 40 at the respective ends close around the arm shafts 161 ⁇ and 16R (reference line). (To approach CL).
- the cam surface 30 is pressed against the second roller 31, and the first roller 18 coaxial with the second roller 31 is pressed against the cam surface 26 of the arm drive cam 25. Therefore, the first roller 18 and the second roller 31 move around the arm axis 16 L in conjunction with the rotation of the arm drive cam 25, and accordingly, the arm 15 L also moves to the arm axis 16 L Rotate around.
- the arm moving section 28 of the arm 15 R rotates around the arm axis 16 R, whereby the arm 15 R also moves to the arm axis. Rotate around 16 R.
- the coil springs 33, 35 force the coils 15, 15 R to close the arms 15 L, 15 R.
- the first roller 18 is held in engagement with the second recess 26 b against the pressure.
- the force of the springs 33, 35 causes the cam 25 to move to the first concave portion.
- the rotation of the arm drive cam 25 in FIG. 8A is referred to as a restraining position, and the position in FIG. 8B is referred to as a release position.
- the arm drive cam 25 is associated with the arm drive force 25 so as to retreat toward the wheel center Cw when in the restrained position, and to be displaced toward the outer periphery of the wheel 6 when the arm drive cam 25 is in the release position.
- a cylindrical receiving surface 41 is formed on the inner surface of the base end of the chuck receiving portion 40 of the arms 15L and 15R.
- Each receiving surface 41 has one screw hole 42 formed therein.
- the screw holes 42 obliquely penetrate the arms 15L and 15R so as to retreat radially inward from the inside to the outside of the arms 15L and 15R.
- the receiving surface 41 has a column-shaped presser piece 4 3, and a single bolt 4 4 is inserted into the screw hole 42 from inside the arms 15 L and 15 R. It is attached by screwing.
- the chuck claws 50 are attached to the ends of the arms 15L and 15R.
- Coil springs 45, 45 as spring means are stretched between the upper end portions and the lower end portions of the holding pieces 43 in a stretched state.
- FIG. 9 shows the coil spring 45 on the upper end side of the holding piece 43. A part of the lower coil spring 45 appears in FIG.
- the chuck jaws 50 are formed by sheet metal processing of a thin plate having high rigidity such as a stainless steel plate.
- the chuck claw 50 includes a holding portion 51 for holding the bottle BT, and a mounting base 52 for mounting on the arms 15L and 15R.
- the mounting base 52 is curved so as to extend along the receiving surface 41, and a slit 53 extending in the circumferential direction of the mounting base 52 is formed substantially at the center in the vertical direction.
- a slit 54 is formed on the grip portion 51 side.
- the holding portion 51 is vertically divided by the slit 54.
- the slit 54 on the side of the grip 51 extends so as to cross the center line of the screw hole 42.
- the width of the slit 54 can be inserted by a tool for operating the port 44 (for example, a hexagon wrench). Is set to a reasonable size. As shown by the imaginary line in FIG. 11, a non-slip member 50a may be provided on the inner surface side of the grip portion 51. '
- the attachment of the chuck claws 50 is performed as follows. Loosen the bolts 4 4 to create a gap between the presser piece 4 3 and the receiving surface, which is somewhat larger than the thickness of the chuck pawl 50, and rotate the chuck pawl 50 along the receiving surface 41. Holder for mounting base 52 Insert into the gap between 4 3 and receiving surface 4 1. Porto 4 4 passes through slit 53. Then, by tightening the port 44, the mounting base 52 of the chuck claw 50 is firmly sandwiched between the receiving surface 41 and the presser piece 43. When removing the chuck claw 50, the port 44 may be loosened and the mounting base 52 of the chuck claw 50 may be removed from between the holding piece 43 and the receiving surface 41.
- the mutual operation relationship between the arms 15L and 15R can be variously changed depending on the shape of the cam surface 30.
- the shape of the cam surface 30 is determined so that the chuck jaws 50 operate symmetrically with respect to the reference line CL.
- various operations can be given to the chuck claws 50, 50 according to the shape of the cam surface 30, such as opening one of the chuck claws 50 in advance.
- operation sections 60, 70, 80 are provided at the carry-in position P1 and the carry-out positions P2, P3, respectively.
- a cam lock 61 is provided in the operation unit 60 at the loading position P1.
- the cam block 61 is attached to a fixed portion of the star wheel device 1, for example, a base, and is fixed at a fixed position with respect to the rotation of the wheel 6.
- the cam block 61 has a cam surface 61 a facing the wheel center C w side.
- the cam surface 6 la contacts the cam drive roller 23 when the arm drive cam 25 of the chuck device 5 is in the release position, and the first rollers 18 are the second concave portions 26 b of the arm drive cam 25.
- the cam drive roller 23 is fed to the wheel center C w side using the rotation of the wheel 6 until it can escape from the center.
- the operating section 70 at the unloading position P2 is provided with a rotor 71 as a movable section.
- the rotor 71 is provided rotatably about the vertical axis, and a pair of arms 71 a and 7 la that can contact the cam drive roller 23 are formed on the outer periphery thereof.
- the rotor 71 is connected to the output shaft 73 a of the servomotor 73 via a transmission mechanism 72.
- a transmission mechanism 72 for example, a belt-type transmission device is used.
- the rotor 71 has an operating position (Fig.
- each arm 71a protrudes toward the chuck device 5, and each arm 71a is located at the wheel center C from the operating position. It is rotated between the standby position (Fig. 13) retracted to the w side.
- the arm 71 a When the rotor 71 is in the operating position, the arm 71 a When the arm drive cam 25 comes into contact with the cam drive roller 23 when in the restraining position, the rotation of the wheel 6 is used to move the cam drive roller 23 until the arm drive cam 25 moves to the release position. Feed the wheel 6 to the outer circumference.
- the arm 71 a retreats to the wheel center Cw side from the cam drive roller 23 regardless of the position of the arm drive cam 25.
- the chuck device 5 is sequentially fed out as the wheel 6 rotates.
- the arm drive cam 25 is at the release position, and the chuck claws 50 are open from each other.
- the cam drive roller 23 comes into contact with the cam surface 61a and is pushed into the wheel center Cw side, whereby the first roller 18 is moved.
- the second concave portion 26 b of the arm drive cam 25 escapes, and the arm drive cam 25 returns to the restrained position.
- the chuck claws 50 are closed.
- the bottle BT is transferred from the star wheel device 2 to the chuck claws 50, and the bottle BT is gripped by the chuck claws 50, 50 (see FIG. 12). ).
- the bottle B T gripped by the chuck claws 50 is first transported to the first discharge position P 2 with the rotation of the wheel 6.
- the rotor 71 is held at the standby position shown in Fig. 13, and when the bottle BT is the bottle BT to be unloaded to the first unloading conveyor 3, the bottle BT is held.
- the servo motor 73 is driven in synchronization with the timing at which the cam drive roller 23 of the chuck device 5 is carried out to the first carry-out position P2, and the arm 71a is driven to the operation position shown in FIG.
- the cam drive roller 23 comes into contact with the arm 71 a and is pushed to the outer peripheral side, and the arm drive cam 25 is driven from the restrained position to the release position. Therefore, the chuck claws 50 are opened and the bottle BT is carried out to the first carry-out conveyor 3. After unloading the bottle BT, the rotor 71 is returned to the standby position before the roller 23 of the next chuck device 5 reaches the rotation range of the arm 71a.
- the servomotor 73 is not driven and the rotor 71 is held at the standby position. You. Therefore, the cam drive roller 2 3 of the chuck device 5 that holds the bottle BT Cannot contact the arm 71a, and the arm drive cam 25 is held at the restrained position. Therefore, as shown in FIG. 13, the bottle BT that is unsuitable for unloading is not released from the chuck claws 50, and passes through the first unloading position P1 to the next second unloading position P3.
- the chuck device 5 of the cam driving roller 2 3 cam surfaces 81 each in contact with a arm drive cam 2 are sequentially fed with the rotation of the wheel 6 5 is always driven from the restrained position to the released position. Therefore, the chuck pawl 50 is always opened at the second unloading position P3. Thereby, the bottle BT transported to the second unloading position P3 is unloaded to the second unloading conveyor 4.
- the bottle BT is transferred to the first unloading conveyor 3 or the second unloading conveyor P2. It can be selectively carried out to the conveyor 4. For example, if the bottle BT and its contents are inspected in front of the star wheel device 1, the rotor 7 1 is detected at the timing when the bottle BT determined to pass the inspection reaches the first unloading position P2. By driving the second conveyor from the standby position to the operation position, a non-defective product that has passed the inspection can be unloaded to the first unloading conveyor 3 and a defective product that has failed the inspection can be unloaded to the second unloading conveyor 4.
- the bottle BT that has passed the inspection is transported to the first unloading position P2, holding the mouthpiece 71 in the standby position and sending the failed bottle BT to the first unloading position P2. If the rotor 71 is driven to the operating position when it is received, defective products that have failed the inspection are unloaded to the first unloading conveyor 3, and non-defective products that have passed the inspection are unloaded to the second unloading conveyor 4. Can be taken out. That is, in normal times, the rotor 71 is held at the standby position to hold the opening of the chuck jaws 5 at the first unloading position P2, and the chuck jaws 50 at the second unloading position P3 using the cam block 81.
- the rotor 5 is held at the timing when the chuck device 5 holding the bottle BT reaches the first unloading position P2. 7 1 may be switched to the operating position to open the chuck pawl 50, and thereafter, the rotor 71 may be returned to the standby position earlier than when the next bottle BT reaches the first unloading position P2.
- the star wheel device 1 or the chuck device 5 of the present embodiment the following operational effects can be obtained. (1) Since everything from the cam drive roller 23 to the cam surface 30 of the chuck device 5 is mechanically configured, the responsiveness and reliability of the opening and closing operation of the chuck jaws 50 are high, and the high speed Highly adaptable.
- the cam surfaces 26 and 30 are brought into close contact with the opposing (follower) rollers 18 and 31 using the force of the coil springs 33 and 35, the arm drive cam 25 and the arm driven by the arm drive cams There is no need to mechanically connect the 15 L and 15 R, making assembly and disassembly easy. Further, since the cam surfaces 26 and 30 are brought into contact with the rollers 18 and 31, the frictional resistance is reduced and the operation is smoothly performed.
- the rotation of the camshaft 21 using the cam drive roller 23 may be converted into an opening and closing operation of the arms 15L and 15R by a link mechanism. However, if a link mechanism is used, it is necessary to connect the links to each other, such as a link and an arm, which increases the number of assembly steps.
- the cam 61 is designed so that the chuck jaws 50 are first opened at the loading position P1, and the chuck jaws 50 are closed in response to the reception of the bottle BT. And the cam 61 becomes complicated.
- a coil spring 33 is also provided between the side (post 32) that rotatably supports 5L and 15R and one arm 15R, and the cam surface 30 of one arm 15R is attached to the second roller 31. It is biased in the direction to be pressed. If only the coil spring 35 is provided, the arms 15 L and 15 R will move around the arm axes 16 L and 16 R as shown in the clock of Fig. 3. The cam surface 30 and the second roller 31 are separated from each other by rotating in the respective directions, which may cause rattling of the chuck claws 50, 50. However, when the arm 15R is urged counterclockwise around the arm axis 16R by the coil spring 33, the rotation of the arm 15R is restricted, and the cam surface 30R is rotated. And the second roller 31 can be kept in contact.
- the servo motor 73 Since the servo motor 73 is used to drive the rotor 71, the operation of the rotor 71 can be controlled at high speed and with high accuracy, and the adaptability to the high speed of the wheel 6 can be improved.
- the chuck claws 50 are sandwiched between the cylindrical receiving surface 41 and the cylindrical presser piece 43, so that even when a single port 44 is used to secure the chuck claws 50, the chuck claws 50 are not required. There is no danger of rotation around bolt 4 4. Further, since the slit 53 for passing the bolt 44 is provided, it is not necessary to remove the presser piece 43 and the bonolet 44 from the arms 15L and 15R when attaching and detaching the chuck claw 50. Therefore, the attachment and detachment of the check claws 50 can be easily performed. When the port 4 4 is loosened, the holding piece 4 3 is pulled away from the receiving surface 4 1 by the pulling force of the coil spring 4 5, so that the mounting base 52 of the chuck claw 50 can be mounted more easily. it can.
- the arms 15 L and 15 R can receive the reaction force when the bottle BT is gripped by the chuck claws 50. Yes, no reaction force acts on bolt 4 4. Therefore, it is advantageous for securing the rigidity of the attachment portion of the chuck claw 50.
- a tool (wrench) for operating the bolts 44 can be inserted using the slits 54 on the gripper 51 side, so that the chuck claw 50 is attached to the arm 15 L or 15 R on one side. Even if it is attached, the chuck claw 50 can be easily attached to and detached from the opposite arm 15R or 15L.
- the slit 54 is necessary because the screw hole 42 is inclined obliquely. The reason why such an inclination is given is as follows.
- the gripper 51 since the gripper 51 is divided into upper and lower parts by the slit 54 of the chuck claw 50, the gripper 51 can be deformed into a different shape above and below the slit 54 so as to conform to the shape of the bottle BT. it can.
- the chuck claw 50 is made of a metal material such as stainless steel, sufficient rigidity is secured even if the grip portion 51 is thin, and relatively large elastic deformation can be obtained. Even when bottles BT having different diameters are taken in, the chuck claws 50 are elastically deformed, so that the bottles BT having different diameters can be handled without replacing the chuck claws 50. However, it goes without saying that the chuck claws 50 may be replaced according to the bottle BT.
- the support means is constituted by the base 10, the arm shafts 16 L and 16 R, the top plate 14 and the post 32, and the roller shaft 17, the first port 18 and the like.
- the first roller is constituted by the second roller 31, and the motion input mechanism is constituted by the lever 22, the shaft 21, the arm drive cam 25 and the first roller 18, and the second roller 3 1
- the interlocking mechanism is constituted by the extension cam surface 30.
- the present invention is not limited to the above embodiments, but may be implemented in various forms.
- the chuck claws 50 may be provided in a plurality of stages in the vertical direction with respect to the arms 15L and 15R.
- Two or more pairs of arms 15L and 15R may be provided in a plurality of stages in the vertical direction, and one or more chuck claws may be attached to each arm.
- a plurality of chuck claws 50 are provided in the vertical direction, it is desirable to optimize the shape of the gripper 51 of the chuck claws 50 according to the shape of the bottle BT at the gripping position of the chuck claws 50.
- a roller may be rotatably provided on the inner surface side of the chuck claw 50, and the bottle BT may be held rotatably while being sandwiched between the chuck claw 50 by gripping the bottle BT via the roller. Such a configuration is suitable for an inspection process or the like in which the bottle BT is rotated.
- the urging means for the arms 15L and 15R is not limited to the coil springs 33 and 35, and may be changed as appropriate.
- FIGS. 16 to 20 show another embodiment in which the urging means is changed.
- the same reference numerals are given to the same parts as those in the embodiments of FIGS. 1 to 15, and description thereof will be omitted.
- a torsion coil spring 55 as a biasing means is fitted with each other.
- the upper ends of the arm shafts 16 L and 16 R are connected to each other via a connecting plate 56 and bolts 57, and on the lower surface side of the connecting plate 56, a spring lock block 58 is provided with a bolt 5. Fixed using 8a.
- the tightening force of the bolts 57 is received by the top plate 14 via the push 16 b, so that the arm shafts 16 L and 16 R are connected to the base 10 and the top plate 14 as support means. Supported between.
- each coil spring 55 pushes a pair of arms 55 a and 55 b somewhat while opening one arm 55 a into a block 58.
- the other arm 55b is hung on pins 15d provided on the arms 15L and 15R, respectively, and is mounted on the arm shafts 16L and 16R.
- the arms 55a, 55b move closer to each other due to the elastic restoring force generated in the coiler parts 5, 5c by pushing and opening the arms 55a, 55b. In the direction indicated by), which causes the arm 15 L,
- the arms 15 L and 15 R are extended behind the arm shafts 16 L and 16 R to receive the coil springs 33 and 35. It is not necessary to provide a spring receiving hole 15a (Fig. 9) and a spring receiving part 15b, 15c (Fig. 3). Therefore, the rear end of the arm 15 L, 15 R is the arm axis 16 L,
- the bolt is used as the fastening means, but the fastening means is not limited to this.
- a rod 100 is mounted using a screw hole 42, and a spring 101 is compressed between an enlarged portion 100a thereof and a holding piece 43. By attaching, the rod 100 and the spring 101 can also function as fastening means.
- the chuck device of the present invention can be suitably applied to a star wheel device, but is not limited to this, and can be applied to various transport devices that are required to hold a container. Further, the chuck device of the present invention is not limited to a configuration in which a pair of arms are opened and closed to grip an article such as a container, and the present invention may be applied to various types of chuck devices. For example, in a chuck device that realizes a gripping operation by sliding the arm instead of opening / closing operation of the arm or by purging, the chuck claw can be attached to the arm according to the present invention. The present invention can be applied to the attachment of the check claws even when the gripping operation is realized by a single arm.
- the movement of the operating member is first transmitted from the first drive unit to one of the arms, and the arm is rotated and moved. Since the movement is transmitted to the second drive unit via the interlocking mechanism, the degree of freedom regarding the operation of each arm is increased by changing the conversion form of the movement.
- the accuracy and reliability of the operation are high, and the adaptability to the increase of the transport speed can be enhanced.
- the configuration can be simplified and the reliability of operation can be further improved.
- the chuck claws can be attached and detached and the chuck claws can be prevented from rotating only by operating the fastening means such as bolts, so that the chuck claws can be easily attached and detached. Can be.
- many chuck devices are used. This has a remarkable effect on reducing the number of man-hours for attaching and detaching the chuck claws in the transfer device used.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Specific Conveyance Elements (AREA)
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP03786389A EP1595827A4 (en) | 2002-12-27 | 2003-12-26 | CLAMPING DEVICE FOR A CONTAINER, TRANSPORT DEVICE THEREFOR AND SPANNING BAG FOR THE TRANSPORT DEVICE |
US10/540,813 US7434857B2 (en) | 2002-12-27 | 2003-12-26 | Chuck device of container, transportation device with the same, and chuck claw for the transportation device |
AU2003296168A AU2003296168A1 (en) | 2002-12-27 | 2003-12-26 | Chuck device of container, transportation device with the same, and chuck claw for the transportation device |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2002-382270 | 2002-12-27 | ||
JP2002381776 | 2002-12-27 | ||
JP2002-381776 | 2002-12-27 | ||
JP2002382270A JP4314382B2 (ja) | 2002-12-27 | 2002-12-27 | チャック装置及び搬送装置 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2004060779A1 true WO2004060779A1 (ja) | 2004-07-22 |
Family
ID=32716336
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2003/017045 WO2004060779A1 (ja) | 2002-12-27 | 2003-12-26 | 容器のチャック装置、そのチャック装置を備えた搬送装置及びそのチャック爪 |
Country Status (4)
Country | Link |
---|---|
US (1) | US7434857B2 (ja) |
EP (1) | EP1595827A4 (ja) |
AU (1) | AU2003296168A1 (ja) |
WO (1) | WO2004060779A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3730431A1 (de) * | 2019-04-25 | 2020-10-28 | Tyrolon-Schulnig GmbH | Nockensteuerwelle zur verwendung als öffnungs- oder schliessmittel in einer greifeinrichtung sowie greifeinrichtung und transportvorrichtung mit einer derartigen nockensteuerwelle |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2895384B1 (fr) * | 2005-12-26 | 2009-10-30 | Sidel Sas | Dispositif de transfert selectif d'articles a grande cadence, application au tri de bouteilles, machine de soufflage comportant un tel dispositif |
ITBO20080259A1 (it) * | 2008-04-23 | 2009-10-24 | Acma Spa | Convogliatore rotante per macchine operative atte alla manipolazione di contenitori, in particolare per macchine tappatrici, e macchina tappatrice provvista di tale convogliatore rotante. |
EP2769942B1 (de) | 2013-02-25 | 2016-09-14 | Tyrolon-Schulnig GmbH | Greifarm für eine Greifeinrichtung und Vorrichtung zum Transportieren von Behältern mit dergleichen Greifarmen |
EP2799349A1 (de) * | 2013-04-30 | 2014-11-05 | Theegarten-Pactec Gmbh & Co. Kg | Verfahren zur Gruppierung von Artikeln zu Artikelstangen und Gruppiereinrichtung sowie Verpackungsmaschine mit einer solchen nebst Steuereinrichtung für Produkt-Halteeinrichtungen |
DE102013007385A1 (de) * | 2013-04-30 | 2014-10-30 | Theegarten-Pactec Gmbh & Co. Kg | Steuerungseinrichtung für Produkt-Halteeinrichtungen und Verpackungsmaschine mit einer solchen |
DE102014107538B3 (de) * | 2014-05-28 | 2015-09-10 | Tyrolon-Schulnig Gmbh | Greifarm für Behälter, Greifeinrichtung und Transportvorrichtung |
DE102015223627A1 (de) * | 2015-11-30 | 2017-06-01 | Renz GmbH & Co. KG | Halteelement und Baustoffgreiferanordnung mit einem solchen |
DE102022102012A1 (de) | 2022-01-28 | 2023-08-03 | Bausch + Ströbel SE + Co. KG | Greifeinrichtung zum Greifen eines Behälters und Haltevorrichtung mit einer Greifeinrichtung |
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JPH10250838A (ja) * | 1997-03-11 | 1998-09-22 | Mitsubishi Heavy Ind Ltd | 異円径物品の捕捉搬送方法および装置 |
JP2001233448A (ja) * | 1999-12-15 | 2001-08-28 | Shibuya Kogyo Co Ltd | 容器搬送システム |
JP2001315957A (ja) * | 2000-05-09 | 2001-11-13 | Tamagawa Seiki Co Ltd | 筒状部材の搬送保持方法 |
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NL7900243A (nl) * | 1979-01-12 | 1980-07-15 | Philips Nv | Mechanisme voor het overbrengen van voorwerpen van een positie in een andere positie. |
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US4647099A (en) * | 1986-02-04 | 1987-03-03 | Hughes Tool Company | Lifting head |
DE3623586A1 (de) * | 1986-07-12 | 1988-01-28 | Heller Geb Gmbh Maschf | Greifvorrichtung |
US5224122A (en) * | 1992-06-29 | 1993-06-29 | Motorola, Inc. | Method and apparatus for canceling spread-spectrum noise |
IT228052Y1 (it) * | 1992-06-30 | 1998-02-05 | Ave Spa Off | Pinza a ganasce mobili per la presa di bottiglie o similari, applica- bile preferibilmente su macchine sciacquatrici sterilizzatrici automa- |
US5284375A (en) * | 1993-03-12 | 1994-02-08 | Ingersoll-Rand Company | Single actuation rod gripping mechanism |
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EP0795500B1 (de) * | 1996-03-13 | 2002-11-13 | Kronseder, Hermann, Dr.-Ing. E.h. | Transportstern für Gefässe |
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US5904075A (en) * | 1996-10-11 | 1999-05-18 | Buck; David A. | Interlocking jaw power tongs |
GB2321867A (en) * | 1997-02-07 | 1998-08-12 | Weatherford Lamb | Apparatus for gripping a tubular |
DE29808212U1 (de) * | 1998-05-07 | 1999-06-02 | Kronseder, Hermann, Dr.-Ing.E.h., 93086 Wörth | Transportstern für Gefäße |
US6224122B1 (en) * | 1999-04-23 | 2001-05-01 | Sage Automation, Inc. | High pressure rubber bale handing clamp |
DE20020457U1 (de) * | 2000-12-02 | 2001-11-15 | Khs Masch & Anlagenbau Ag | Übergabestern zum Transportieren von Gefäßen |
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-
2003
- 2003-12-26 AU AU2003296168A patent/AU2003296168A1/en not_active Abandoned
- 2003-12-26 WO PCT/JP2003/017045 patent/WO2004060779A1/ja active Application Filing
- 2003-12-26 EP EP03786389A patent/EP1595827A4/en not_active Withdrawn
- 2003-12-26 US US10/540,813 patent/US7434857B2/en not_active Expired - Fee Related
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JPH10250838A (ja) * | 1997-03-11 | 1998-09-22 | Mitsubishi Heavy Ind Ltd | 異円径物品の捕捉搬送方法および装置 |
JP2001233448A (ja) * | 1999-12-15 | 2001-08-28 | Shibuya Kogyo Co Ltd | 容器搬送システム |
JP2001315957A (ja) * | 2000-05-09 | 2001-11-13 | Tamagawa Seiki Co Ltd | 筒状部材の搬送保持方法 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3730431A1 (de) * | 2019-04-25 | 2020-10-28 | Tyrolon-Schulnig GmbH | Nockensteuerwelle zur verwendung als öffnungs- oder schliessmittel in einer greifeinrichtung sowie greifeinrichtung und transportvorrichtung mit einer derartigen nockensteuerwelle |
Also Published As
Publication number | Publication date |
---|---|
EP1595827A1 (en) | 2005-11-16 |
EP1595827A4 (en) | 2008-08-27 |
AU2003296168A1 (en) | 2004-07-29 |
US7434857B2 (en) | 2008-10-14 |
US20060042911A1 (en) | 2006-03-02 |
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