WO2005030435A1 - クランプ装置 - Google Patents
クランプ装置 Download PDFInfo
- Publication number
- WO2005030435A1 WO2005030435A1 PCT/JP2004/012971 JP2004012971W WO2005030435A1 WO 2005030435 A1 WO2005030435 A1 WO 2005030435A1 JP 2004012971 W JP2004012971 W JP 2004012971W WO 2005030435 A1 WO2005030435 A1 WO 2005030435A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- block
- gap
- clamping device
- insertion hole
- hole
- Prior art date
Links
Classifications
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- 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
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
-
- 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
- B23Q1/00—Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
- B23Q1/0063—Connecting non-slidable parts of machine tools to each other
- B23Q1/0081—Connecting non-slidable parts of machine tools to each other using an expanding clamping member insertable in a receiving hole
- B23Q1/009—Connecting non-slidable parts of machine tools to each other using an expanding clamping member insertable in a receiving hole the receiving hole being cylindrical or conical
-
- 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
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
Definitions
- the present invention relates to a clamp device, and more particularly, to a device for clamping a movable member such as a pallet to a reference member such as a table of a machine tool.
- a plurality of reference pieces are mounted on the upper surface of the jig fixed to the machine tool bed.
- a clamp reference surface is formed on the upper surface of each reference piece to receive the existing kneaded surface of the work.
- An injection hole communicating with the compressed air source is opened upward in the clamp reference plane.
- the worked surface of the work is cleaned by compressed air ejected upward from the injection hole, and chips are interposed between the worked surface of the work and the clamp reference surface. Is prevented from being pinched.
- Patent Document 1 Japanese Patent Application Laid-Open No. 54-17580
- Patent Document 1 detects whether or not the clamping has been performed properly, that is, whether or not the workpiece has been completely clamped in a state in which the already machined surface of the workpiece is completely in contact with the clamp reference surface. Can not. For example, foreign matter such as chips is not completely removed by the compressed air from the burial hole, but is caught between both surfaces of the clamp reference surface and the work-processed surface, and the foreign material such as chips is removed. If there is a gap between them, it cannot be detected.
- the clamp device of the first invention is configured as follows, for example, as shown in FIGS. 1 to 3, FIG. 11, FIG. 12, and FIG.
- the plug portion 27 is protruded from the first block 1 so that it can be inserted into the insertion hole 5 provided in the second block 2.
- the first block 1 is provided with a support surface 9a so as to be able to contact the supported surface 2a provided in the second block 2.
- a fluid flow hole 59 is formed in the support surface 9a.
- a gap maintaining member K is provided in the first block 1 so that the second block 2 is pushed in a direction to separate from the first block 1 to form a gap G1 between the supported surface 2a and the support surface 9a. .
- the tension member 21 resists the pressing force of the gap maintaining member K in the second block. 2 is brought closer to the first block 1 to eliminate the gap G1.
- the gap G1 is formed between the supported surface 2a and the support surface 9a by the gap maintaining member K.
- the gap G1 is eliminated by the tension member 21 to bring the support surface 9a and the supported surface 2a into contact. Therefore, it is possible to easily determine whether the clamp state is in the unclamped state by detecting the pressure in the fluid flow hole 59 described above.
- the first block 1 is located below the second block 2.
- the gap maintaining member K is configured to support the weight of the second block 2 to form the gap G1 between the supported surface 2a and the support surface 9a.
- the gap G1 is formed between the supported surface 2a and the support surface 9a by the action of the gap maintaining member K. Therefore, the determination of the clamp state or the unclamped state can be easily performed by detecting the pressure of the fluid communication hole 59.
- FIG. 1 to FIG. 3 For example, as shown in FIG. 1 to FIG. 3, FIG. 11, FIG. 12, and FIG.
- the gap G1 is formed between the supported surface 2a and the support surface 9a by the gap maintaining member K. Even if the pressure fluid is supplied, the pressure does not increase. On the other hand, in the clamped state, the gap G1 is eliminated by the tension member 21 to bring the support surface 9a into contact with the supported surface 2a, so that the pressure in the fluid flow hole 59 increases. Therefore, the determination of the clamp state or the unclamped state can be easily performed by detecting the pressure of the fluid flow hole 59.
- the first invention may be configured such that air is sucked from the fluid flow hole 59.
- the gap G1 is formed between the supported surface 2a and the support surface 9a by the gap maintaining member K. Inhaling air does not reduce its pressure.
- the gap G1 is eliminated by the tension member 21 to bring the support surface 9a into contact with the supported surface 2a, so that the pressure in the fluid flow hole 59 decreases. Therefore, it is possible to easily determine whether the state is the clamp state or the unclamped state by detecting the pressure of the fluid communication hole 59.
- the gap maintaining member K is an elastic body 25, for example, as shown in FIGS. 1 to 3, FIG. 11, and FIG.
- the elastic force of the elastic body 25 acts.
- the gap Gl is formed between the supported surface 2a and the support surface 9a. Therefore, a simple configuration of the clamp device is realized.
- the gap maintaining member K may be a piston 76 driven by a pressure fluid.
- the second block 2 acts in a direction of separating the second block 2 from the first block 1 in order to form the gap G1 between the supported surface 2a and the support surface 9a.
- the force to be applied can be easily controlled by adjusting the pressure of the pressure fluid.
- FIG. 11 for example, as shown in FIG. 11, FIG. 12, and FIG.
- a flange 69 is provided which contacts the periphery of the opening end of the insertion hole 5 and transmits the pushing force of the gap maintaining member K to the second block 2.
- the force of the gap maintaining member K can be reliably transmitted to the second block 2 with a compact configuration. Further, since the flange 69 is in contact with the periphery of the opening end of the insertion hole 5, the shape of the insertion hole 5 can be simplified. Further, direct contact between the gap maintaining member K and the second block 2 can be avoided, and the gap maintaining member K can be prevented.
- K can be protected and its life can be extended.
- the gap maintaining member K directly comes into contact with the periphery of the opening end of the insertion hole 5 to apply a force in a direction to separate the second block 2 from the first block 1. Because of the configuration, the configuration can be simplified and the number of parts can be reduced.
- the second block 2 is connected to the first block 1 by the axial center of the plug portion 27.
- the positioning is performed in the radial direction of the plug portion 27. Therefore
- a clamp device having a positioning function can be configured simply and compactly.
- FIG. 11 for example, as shown in FIG. 11, FIG. 12, and FIG.
- the plug portion 27 may be configured to be movable in the radial direction with respect to 1.
- FIGS. 1 to 3 For example, as shown in FIGS. 1 to 3, FIG. 11, FIG. 12, and FIG. 15, it is preferable to configure as follows.
- the plug portion 27 includes an outer member (71, 78) having an inclined inner surface 17 so as to be vertically movable.
- the tension member 21 expands the diameter of the outer member (71, 78) by the tapered engagement of the inclined inner surface 17 and makes the outer member (71, 78) adhere to the insertion hole 5, while the outer member (71, 78) and the insertion
- the second block 2 is configured to approach the first block 1 via the hole 5.
- the outer members (71, 78) are expanded in diameter by the taper engagement, and are brought into close contact with the insertion hole 5, and the second block 2 is brought into contact with the second block 2 by the frictional force or plastic deformation force due to the close contact. Since it is configured to approach the first block 1 side, reliable clamping can be realized, and the clamping device and the insertion hole 5 can be simply configured.
- the gap maintaining member K also serves as means for holding the outer member 78 at a position on the distal end side.
- the gap maintaining member K is configured such that the inclined outer surface 13 taperedly engages with the inclined inner surface 17 of the outer member (71, 78).
- (61, 68) can also be used as a means for holding the member (61, 68) at the position on the distal end side
- FIG. 1 is a perspective view of a plug means of a clamp device according to a first embodiment of the present invention.
- FIG. 2 is an elevational sectional view of the clamp device in an unclamped state.
- FIG. 3 is a cross-sectional view taken along a line 3-3 in FIG.
- FIG. 4 is an elevational cross-sectional view showing a state in which the state force pallet of FIG. 2 is lowered and placed on the pan panel, and a gap is formed between the support surface and the supported surface. .
- FIG. 5 is a cross-sectional view taken along a line 5-5 in FIG.
- FIG. 6 is an elevational sectional view showing a state in which the state force of FIG. 4 also performs a clamping operation, and the outer peripheral surface of the plug portion of the plug means is in close contact with the inner peripheral surface of the insertion hole.
- FIG. 7 is a sectional view taken along arrow 7-7 in FIG.
- Fig. 8 shows the state in which the clamp force continues to be applied to the state shown in Fig. 6, and the plug part in close contact with the insertion hole pulls the pallet down to bring the support surface into contact with the supported surface.
- FIG. 9 is an elevational cross-sectional view showing a state in which the outer peripheral surface of the plug portion is strongly adhered to the insertion hole by continuing the clamping force and the state force of FIG.
- FIG. 10 is an elevational sectional view of a clamp device according to a second embodiment, and is a view similar to FIG. 4.
- FIG. 11 is an elevational sectional view of a clamp device according to a third embodiment, similar to FIG. 4.
- FIG. 12 is an elevational sectional view of a clamp device according to a fourth embodiment, similar to FIG.
- FIG. 13 is an enlarged view of a main part of a plug part in the clamp device according to the fourth embodiment.
- FIG. 14 is an enlarged view of a principal part of an elevational cross section of the clamp device of the fifth embodiment, and is a view similar to FIG.
- FIG. 15 is an elevational sectional view of a clamp device according to a sixth embodiment, similar to FIG. 12.
- 1 to 9 show a first embodiment of the clamp device of the present invention.
- FIG. 1 is a perspective view of the plug means 6 of the clamp device.
- FIG. 2 is an elevational sectional view showing an unclamped state of the clamp device
- FIG. 3 is a sectional view taken along line 3-3 in FIG.
- a base plate 1 as a first block is placed on a table T of a machine tool, and a housing 9 is fixed to the base plate 1 (see FIG. 1).
- a support surface 9a is formed on the upper surface of the housing 9, and the support surface 9a is configured to receive the supported surface 2a of the pallet 2 as a second block.
- the support surface 9a receives the supported surface 2a
- the pallet 2 is positioned in a horizontal direction with the base plate 1 and the pallet 2 aligned with each other. ing.
- the supported surface 2 a is formed on the lower surface of the pallet 2.
- a plurality of circular insertion holes 5 are formed on the lower surface of the pallet 2.
- the plug means 6 is provided on the base plate 1 so as to correspond to each of the insertion holes 5. 2 and 3, only one of the plurality of sets of the insertion hole 5 and the plug means 6 is shown.
- a mounting hole 8 is formed on the upper surface of the base plate 1.
- the housing 9 inserted into the mounting hole 8 is fixed to the base plate 1 by a tightening bolt 10 (see FIG. 1).
- an annular center column 12 is formed integrally with the housing 9 so as to protrude upward.
- the shaft 12 is configured to be insertable into the insertion hole 5 of the pallet 2.
- the axis of the shaft 12 is substantially aligned with the axis of the mounting hole 8.
- the outer peripheral surface of the center column 12 is formed as a straight surface!
- a small amount of the upper surface of the housing 9 is annularly protruded at the outer peripheral position of the lower end of the center column 12.
- the flat upper surface of the projection constitutes the support surface 9a.
- This support surface 9a faces the supported surface 2a of the pallet 2 as shown in FIG.
- An inner sleeve 61 as an inner member is externally fitted to the center column 12.
- the inner sleeve 61 is movable within a predetermined range in the axial direction (vertical direction) of the post 12.
- a single slit 62 extending in the vertical direction is formed on the peripheral wall of the inner sleeve 61.
- the inner sleeve 61 is configured to be able to expand and contract in the radial direction.
- the inner sleeve 61 can be expanded by its own elastic restoring force. As shown in FIG.
- two detent pins 63 and 64 are projected radially from the outer peripheral surface of the center column 12.
- the outer end of the first detent pin 63 is inserted into the slit 62.
- the outer end of the second detent pin 64 is inserted into a floating hole 65 formed in the inner sleeve 61. It is desirable to mount a sealing member (not shown) having a force such as rubber on the slit 62.
- one dish panel (elastic body) 25 is arranged between the inner sleeve 61 and the housing 9.
- the counter panel 25 urges the inner sleeve 61 upward.
- the dish panel 25 also serves as a gap maintaining member K for receiving the weight of the pallet 2, and details thereof will be described later.
- a retaining ring 66 is fitted on the upper portion of the above-mentioned mandrel 12.
- the retaining ring 66 is configured to receive the upper end of the inner sleeve 61.
- the retaining ring 66 prevents the inner sleeve 61 from rising above a predetermined distance, thereby defining the upper end of the moving stroke of the inner sleeve 61.
- An annular projection 28 is formed at the lower end of the center column 12. The compression of the counter panel 25 beyond a predetermined amount is prevented by the inner peripheral portion of the counter panel 25 contacting the annular projection 28. As a result, the lower end of the movement stroke of the inner sleeve 61 is defined.
- the annular projection 28 also has an effect of preventing the plate panel 25 from being excessively compressed and preventing the plate panel 25 from being inverted.
- An inclined outer surface 13 is provided on the outer periphery of the inner sleeve 61.
- the inclined outer surface 13 is formed in a shape approaching toward the axial center as it goes upward (toward the distal end of the center column 12).
- an annular outer sleeve 71 as an outer member is disposed outside the inner sleeve 61.
- the outer sleeve 71 is formed in a collet shape and a substantially cylindrical shape.
- One slit 72 extending in the up-down direction is formed in the peripheral wall of the outer sleeve 71. With the slit 72, the outer sleeve 71 is configured to be able to expand and contract in the radial direction.
- the outer sleeve 71 can be reduced in diameter by the elastic restoring force of the outer sleeve 71 when the force applied to the outer sleeve 71 in the radially expanding direction is released.
- the outer end of the second detent pin 64 is inserted into the slit 72 of the outer sleeve 71, whereby the outer sleeve 71 is detented.
- This slit 72 It is desirable to attach a sealing member (not shown) which also has a rubber or the like.
- a straight outer surface 16 that can be in close contact with the inner peripheral surface of the insertion hole 5 is formed on the outer peripheral surface of the outer sleeve 71.
- an inclined inner surface 17 facing the inclined outer surface 13 of the inner sleeve 61 is provided on the inner surface of the outer sleeve 71.
- the inclined inner surface 17 also has a shape that approaches the axis side as it goes upward (toward the distal end of the center column 12).
- a tension member 21 is inserted into the housing 9 so as to be vertically movable.
- the tension member 21 includes a piston 22 inserted into the lower part of the housing 9 in a hermetically sealed state, and a piston rod 23 which is integrally protruded upward from the piston 22 and inserted into a cylindrical hole of the center column 12.
- a cap 37 is fixed to the upper part of the piston rod 23 by bolts 24, and a ring 26 is sandwiched between the lower surface of the cap 37 and the upper end surface of the piston rod 23.
- a flange is formed on an outer peripheral surface of the ring 26, and an upper flange formed on an upper portion of the outer sleeve 71 is fitted into an annular groove formed by the flange and the cap 37. I have. As a result, the outer sleeve 71 and the tension member 21 are connected.
- the plug portion 27 includes the center column 12, the cap 37, the inner sleeve 61, the outer sleeve 71, and the like.
- the plug portion 27 protrudes from the base plate 1 so that it can be inserted into the insertion hole 5.
- the straight outer surface 16 of the outer sleeve 71 forms an outer peripheral surface of the plug portion 27.
- An outer ring 20 is fitted over the outer sleeve 71 above the straight outer surface 16.
- the outer ring 20 is formed without a cut, thereby preventing foreign substances such as chips from entering the inside of the plug portion 27 through the slit 72 and the like.
- a lock means (clamp means) and a release means (unclamping means) are provided inside the housing 9.
- the locking means includes the piston 22 and a lock hydraulic chamber 53 formed above the piston 22.
- the release means includes the piston 22 and a release hydraulic chamber 35 formed below the piston 22.
- the housing 9 is provided with an air supply port 39.
- the air supply port 39 is connected to an air passage 40 formed inside the housing 9.
- the upper end of the air passage 40 forms a relay opening 41 that opens on the outer peripheral surface of the center pillar 12.
- the relay opening 41 communicates with the ejection hole 38 formed in the outer sleeve 71 via a communication hole 79 formed through the inner sleeve 61.
- the support surface 9a of the housing 9 is provided with seating confirmation means. That is, a detection nozzle hole 59 as a fluid flow hole is opened in the support surface 9a, and compressed air for detection is supplied to the detection nozzle hole 59.
- a detection nozzle hole 59 as a fluid flow hole is opened in the support surface 9a, and compressed air for detection is supplied to the detection nozzle hole 59.
- the housing 9 is provided with cleaning means. Specifically, the housing 9 is provided with a cleaning port 44, and a cleaning path 45 is connected to the cleaning port 44.
- a cleaning port 44 When compressed air is supplied to the cleaning port 44, the compressed air passes through the cleaning passage 45 and a jet hole (not shown), and the pan panel 25, the inner sleeve 61 and the outer sleeve 71, Is sprayed on the inner peripheral surface of the insertion hole 5 and the like. As a result, foreign matter such as chips attached to each part can be blown off and removed.
- the pallet 2 is lowered by some lifting means or by its own weight, and the outer sleeve 71 is inserted into the insertion hole 5.
- the hydraulic oil is discharged from the release hydraulic chamber 35 and the hydraulic oil is supplied to the lock hydraulic chamber 53.
- the piston 22 lowers the outer sleeve 71 via the piston rod 23 and the cap 37, and moves the inclined inner surface 17 of the outer sleeve 71 to the inclined outer surface 13 of the inner sleeve 61.
- the wedges are engaged.
- the outer sleeve 71 and the inner sleeve 61 and the like operate as follows.
- the outer sleeve 71 is expanded in diameter via the inner sleeve 61 held at a substantially raised position (position on the distal end side) by the urging force of the counter panel 25, and the outer sleeve 71 is expanded. Contacts the insertion hole 5.
- the outer sleeve 71 expands its diameter while compressing the dish panel 25 downward through the inner sleeve 61 and closely contacts the inner peripheral surface of the insertion hole 5, so that the pallet 2 is horizontally moved. (Figs. 6 and 7). In the horizontal positioning stage realized in this manner, as shown in FIG. 6, there is a contact gap G2 between the support surface 9a and the supported surface 2a.
- the outer sleeve 71 in close contact with the inner peripheral surface of the insertion hole 5 pulls the pallet 2 downward through the insertion hole 5, and at the same time, The outer sleeve 71 lowers the inner sleeve 61 against the urging force of the counter panel 25. Thereby, the supported surface 2a of the pallet 2 is brought into contact with the support surface 9a of the housing 9, and the supported surface 2a is pressed against the support surface 9a (FIG. 8). .
- the outer sleeve 71 is strongly wedge-engaged with the inner sleeve 61 to expand the diameter, and the outer sleeve 71 is strongly in close contact with the inner peripheral surface of the insertion hole 5 described above.
- the pallet 2 is restrained in the horizontal and vertical directions, and is strongly locked. In this clamped state, the gap between the support surface 9a and the supported surface 2a is completely eliminated or becomes extremely small, so when compressed air is supplied to the detection nozzle hole 59, the pressure increases. Will be.
- the clamping state force may be achieved by discharging the pressure oil in the lock hydraulic chamber 53 and supplying the release oil chamber 35 with the pressurized oil.
- the tension member 21 having the same force as the piston 22, the piston rod 23, and the cap 37 raises the outer sleeve 71, and the rising outer sleeve 71 is reduced in diameter by its own elastic restoring force. Then, the clamped state is released.
- the clamp device of the present embodiment operates as described above, it is possible to make an appropriate determination of the clamp state by detecting the pressure of the detection nozzle hole 59.
- the plug means 6 is in the unclamped state. Nevertheless, similarly to the clamped state, the detection nozzle hole 59 is closed by the supported surface 2a. Therefore, it is difficult to determine whether the clamp nozzle is in the unclamped state or the force clamp state only by supplying the compressed air to the detection nozzle hole 59 and detecting the pressure.
- the dish panel 25 as the gap maintaining member K separates the second block 2 from the first block 1.
- a directional force is applied to the pallet 2 to support the weight of the pallet 2, whereby the gap G1 is formed between the support surface 9a and the supported surface 2a.
- the gap G1 is formed by hydraulically driving the tension member 21.
- the support surface 9a is brought into contact with the supported surface 2a. Therefore, when compressed air is supplied to the detection nozzle hole 59, the pressure does not increase in the unclamped state, but increases in the clamped state. As a result, it is possible to reliably and easily determine whether or not the force clamp state is the unclamp state.
- the pallet 2 is located above the base plate 1, and the pallet 2 is lowered to bring the supported surface 2a into contact with the support surface 9a.
- the self-weight acting on the pallet 2 is received by the counter panel 25, and the gap G1 can be reliably formed between the supported surface 2a and the support surface 9a. Therefore, in the unclamped state, it is possible to ensure that the compressed air leaks from the detection nozzle hole 59, and it is possible to avoid a determination error in which the unclamped state is determined as the clamped state.
- the detection nozzle hole 59 is closed by the supported surface 2a, and the ejection hole 38 is formed on the inner peripheral surface of the insertion hole 5. Therefore, it is configured to be closed. Therefore, whether or not the above-described horizontal positioning has been reliably performed can be easily determined by supplying compressed air to the air supply port 39 and detecting the pressure.
- the detection nozzle hole 59 is set to a negative pressure by using a means such as a vacuum pump, and air is sucked from the detection nozzle hole 59. May be.
- the clamp state can be detected by detecting a decrease in the pressure of the detection nozzle hole 59 due to the contact between the supported surface 2a and the support surface 9a with a pressure sensor or the like.
- the countersink panel (elastic body) 25 is used as the gap maintaining member K.
- the supported surface is acted on by the action of the urging force of the countersunk panel 25.
- the gap G1 is formed between 2a and the support surface 9a. Therefore, the clamp device can have a simple configuration.
- the dish panel 25 as the gap maintaining member K comes into direct contact with the periphery of the opening end of the insertion hole 5 to receive the weight of the pallet 2. Yes. Therefore, the configuration can be simplified and the number of parts can be reduced.
- the pallet 2 when the outer peripheral surface (the straight outer surface 16) of the plug portion 27 is in close contact with the inner peripheral surface of the insertion hole 5, the pallet 2 is moved relative to the base plate 1. It is configured to be positioned in the radial direction of the plug portion 27. Therefore, a clamp device having a positioning function can be simply and compactly configured.
- the plug portion 27 includes the outer sleeve 71 having the inclined inner surface 17 so as to be vertically movable. Further, the tension member 21 expands the diameter of the outer sleeve 71 by the tapered engagement of the inclined inner surface 17, and closely contacts the straight outer surface 16 to the insertion hole 5.
- the pallet 2 is configured to approach the base plate 1 via the hole 5.
- the outer sleeve 71 is enlarged in diameter by the taper engagement and is brought into close contact with the insertion hole 5, and the pallet 2 is brought close to the base plate 1 by the frictional force.
- a clamp can be realized, and the clamp device and the insertion hole 5 can be simply configured. Further, in a state where the pallet 2 is clamped, it is possible to access five surfaces of the pallet 2 excluding the lower surface among the six surfaces of the pallet 2 such as up, down, left, right, front, and rear, thereby improving workability.
- the inner sleeve 61 is engaged with the outer sleeve 71.
- the dish panel 25 serving as the gap maintaining member K also serves as a means for holding the inner sleeve 61 at a position on the distal end side. Therefore, it is not necessary to provide a dedicated means for holding the inner sleeve 61 at the position on the distal end side separately from the counter panel 25. For this reason, the configuration of the clamp device is simplified, and the number of parts can be reduced.
- FIG. 10 is an elevational sectional view of the clamp device of the second embodiment, and shows a state corresponding to FIG. 4 of the first embodiment.
- the second embodiment differs from the first embodiment in the following points.
- the detection hole 29 is opened at the outer peripheral position of the lower end of the
- the counter panel 25 is configured to cover the upper side of the detection hole 29.
- the detection hole 29 is connected to the air supply port 39 via the air passage 40.
- the counter panel 25 raises the inner sleeve 61 and receives the lower surface of the pallet 2.
- the supported surface 2a and the support surface 9a A small gap G1 is formed between them.
- a large gap is formed between the annular projection 28 and the dish panel 25. Therefore, even if compressed air is supplied to the detection hole 29 through the air supply port 39 in the state of FIG. 10, the compressed air is supplied to the large gap and the slit 62 of the inner sleeve 61 (not shown here) The pressure does not increase because of the leakage to the outside through the gap G1.
- the outer sleeve 71 is strongly wedge-engaged with the inner sleeve 61, and the outer sleeve 71 is expanded in diameter. It is possible to indirectly detect a state in which 71 is strongly adhered to the inner peripheral surface of the insertion hole 5.
- the detection nozzle hole 59 in FIG. 4 is not formed on the support surface 9a.
- a configuration in which both the detection hole 29 and the detection nozzle hole 59 are provided is acceptable.
- FIG. 11 is an elevational sectional view of the clamp device according to the third embodiment, which is similar to FIG.
- the annular core 12 shown in Fig. 4 is not formed in the housing 9, but a through hole 9b in the axial direction is formed in the housing 9 instead. Has formed.
- the piston 22 inserted into the housing 9 is formed in a cylindrical shape.
- an annular screw cylinder 36 is screwed to the lower part of the housing 9 so as to be adjustable in height.
- the piston rod 23 is formed as a separate member from the piston 22.
- the lower half force of the piston rod 23 extending in the vertical direction is inserted into the upper half of the cylindrical hole of the piston 22 so as to be freely movable in the radial direction and immovable in the axial direction.
- a first annular gap 31 is formed between the outer peripheral surface of the lower half of the piston port 23 and the piston 22.
- a lid bolt 34 is screwed to the lower half of the cylindrical hole of the piston 22 so that the height can be adjusted.
- the lid bolt 34 and the piston rod 23 And a balance panel 42 is attached between them.
- the upward force of the balance panel 42 is set so as to balance the weight of the piston rod 23 and the like.
- the rotation about the axis of the piston rod 23 is prevented by the detent pin 51.
- a cylindrical inner engaging member 68 as an inner member is supported on the outer periphery of the piston rod 23 so as to be vertically movable.
- the inner engaging member 68 is different from the inner sleeve 61 of the first embodiment in that the inner engaging member 68 does not have a cut in the circumferential direction.
- a second annular gap 32 is formed between the outer peripheral surface of the lower half of the inner engaging member 68 and the through hole 9b of the housing 9. As a result, the inner engagement member 68 is movable in the radial direction with respect to the housing 9. The rotation of the inner engagement member 68 about the axis is prevented by the rotation preventing pin 52.
- a vertical path 81 of compressed air for cleaning which will be described later, is formed between the outer peripheral surface of the upper half of the piston rod 23 and the inner peripheral surface of the inner engaging member 68.
- a tapered inclined outer surface 13 is formed on the outer peripheral surface of the inner engaging member 68 so as to approach the axial center side as the upward force is applied.
- a flange 69 is integrally formed in a projecting manner below the inclined outer surface 13.
- the dish panel 25 is arranged between the upper surface of the housing 9 and the flange 69.
- the dish panel 25 is configured to advance the inner engaging tool 68 upward. Further, the dish panel 25 covers the through hole 9b of the housing 9 and an opening such as a vertical hole 82 described later from above.
- the inner engagement tool 68 is located below the flange 69.
- a stopper 70 is attached to a lower portion, and the stopper 70 prevents the inner engaging member 68 from rising above a predetermined amount. Note that a third annular gap 33 is formed between the inner peripheral surface of the dish panel 25 and the inner engagement tool 68.
- a plurality of outer engaging members 78 as outer members are arranged on the outer periphery of the inner engaging member 68 at intervals in the circumferential direction. These outer engagement members 78 are configured to be insertable into the insertion holes 5 of the pallet 2.
- Each of the plurality of outer engaging members 78 has the inclined inner surface 17 facing the inclined outer surface 13 of the inner engaging member 68.
- the inclined inner surface 17 is formed in a tapered shape approaching the axial side as it goes upward, as well as the inclined outer surface 13. Accordingly, the plurality of outer engaging members 78 can be engaged with the inner engaging member 68 by an upper force wedge.
- the distal end of the piston rod 23 is connected to these outer engagement members 78. More specifically, the cap 37 is fixed to the upper part of the piston rod 23 by the bolt 24. The ring 26 is attached to the upper part of the piston rod 23. Then, between the upper portion of the cap 37 and the ring 26, a flange portion at the upper end of the outer engagement tool 78 is inserted in a state in which it can move in the radial direction and prevents relative movement in the vertical direction. .
- the second detent pin 64 is fixed to the outer periphery of the inner engaging member 68 so as to protrude outward.
- the projecting portion of the second detent pin 64 is inserted into a separation gap 80 formed between the adjacent outer engagement members 78.
- the plurality of outer engaging members 78 are guided vertically.
- a ring-shaped plate panel (return means) 49 is mounted on the outer peripheral surface of the plurality of outer engaging members 78. The panel panel 49 constantly urges each of the outer engaging members 78 radially inward.
- An annular cylindrical portion 37a provided in the lower half of the cap 37 covers the flange portion at the upper end of the outer engaging member 78 and the plate panel 49.
- the plug portion 27 includes a distal end portion of the piston rod 23, the inner engaging member 68, the outer engaging member 78, the cap 37, And 24 bolts.
- the piston rod 23 is configured to be movable in the radial direction, the axial center of the plug portion 27 is also moved relative to the base plate 1 by the plug portion 2. 7 can be moved in the radial direction.
- support rods 48 are press-fitted into the upper surface of the housing 9 at intervals in the circumferential direction. On the upper surface of each support rod 48, the flat support surface 9a is formed. The support surface 9a receives the supported surface 2a of the pallet 2.
- the detection nozzle hole 59 is opened in one of the four support rods 48.
- the detection nozzle hole 59 is configured to be able to supply compressed air for detection.
- the pressure in the detection nozzle hole 59 increases.
- a pressure switch or the like By detecting the pressure increase by a pressure switch or the like, it can be confirmed that the pallet 2 is seated on the support rod 48.
- the compressed air supplied to the cleaning port 44 passes through the cleaning passage 45 and the vertical path 81 formed on the outer peripheral surface of the piston rod 23 in order, and then, Discharged radially outward from 80. Therefore, it is possible to blow off the foreign matter attached to each part such as the support surface 9a of the support rod 48 and clean it.
- the compressed air for cleaning is also supplied to the vertical hole 82 provided on the peripheral wall of the through hole 9b of the housing 9.
- the compressed air supplied to the vertical hole 82 is supplied from the gap between the upper surface of the dish panel 25 and the flange 69 or from the gap between the lower face of the dish panel 25 and the housing 9 in the horizontal direction. Discharge is possible.
- the structure like the ejection hole 38 of the first embodiment that is, the outer peripheral surface of the outer engagement member 78 is formed with respect to the inner peripheral surface of the insertion hole 5
- the configuration for detecting the close contact using compressed air is omitted.
- the operation of the plug means 6 is the same as that of the first embodiment except for the following three points (A) to (C).
- the pallet 2 In the unclamped state shown in FIG. 11, the pallet 2 is lowered, the plug 27 of the plug means 6 is inserted into the insertion hole 5 of the pallet 2, and the lower surface of the pallet 2 is Is shown on the flange 69.
- the clamp device of the present embodiment is provided with the flange portion 69 as described above, and the flange portion 69 contacts the periphery of the opening end of the insertion hole 5 of the pallet 2 and maintains the clearance.
- the power of the dish panel 25 as the member K is transmitted to the pallet 2. Therefore, the force of the counter panel 25 can be reliably transmitted to the pallet 2 with a compact configuration including only the flange 69.
- the flange 69 is in contact with the periphery of the opening end of the insertion hole 5, the shape of the insertion hole 5 can be simplified. Further, direct contact between the dish panel 25 and the pallet 2 can be avoided, and the dish panel 25 can be protected and its life can be extended.
- FIG. 12 and FIG. 13 show a fourth embodiment.
- FIG. 12 is a sectional elevational view of the clamp device, similar to FIG. FIG. 13 is an enlarged view of a main part of the plug section 27.
- This embodiment is configured as a modification of the third embodiment.
- This embodiment differs from the third embodiment mainly in that the inner engaging member 68 is omitted, that the inclined outer surface 13 is formed on the outer peripheral surface of the piston rod 23, The point is that the inclined outer surface 13 and the inclined inner surface 17 are formed upside down, and the counter panel 25 urges the outer engagement tool 78 in the advance direction.
- the piston rod 23 is formed by screwing two upper and lower members together. Similarly to the third embodiment, the lower half of the piston rod 23 is inserted into the upper half of the cylindrical hole of the piston 22 so as to be movable in the radial direction and immovable in the axial direction. I have.
- the cap 37 is supported so as to be vertically movable.
- a panel receiver 91 is fixed to the cap 37 via the bolt 24.
- the upper part of the piston rod 23 is formed in a hollow shape, and a tension panel 92 is arranged inside the hollow part.
- the upper part of the tension panel 92 is fixed to the panel receiver 91.
- the lower part of the tension panel 92 is fixed to the head of a cylindrical locking bolt 93.
- the stop bolt 93 is screwed into the piston rod 23 by an upward force.
- a plurality of the outer engagement members 78 as outer members are arranged on the outer periphery of the piston rod 23 below the cap 37 at intervals in the circumferential direction.
- the outer engaging member 78 is configured to be insertable into the insertion hole 5 of the pallet 2.
- the tapered inclined inner surface 17 is formed which approaches the axis as it goes downward (toward the base end).
- the outer engagement member 78 is formed as a plurality (four in the present embodiment) of divided bodies divided in the circumferential direction.
- a sleeve 55 is supported by the piston rod 23 so as to be vertically movable.
- the collar 69 has the flange portion 69 formed so as to protrude therefrom.
- the dish panel 25 is arranged between the flange 69 and the housing 9. That is, in the present embodiment, the counter panel 25 urges the outer engagement member 78 in the advance direction via the sleeve 55.
- a lower end of the cylindrical portion 37a integrally formed with the cap 37 faces an upper end surface of each of the outer engagement members 78.
- the sleeve 55 and the dish panel 25 cover the lower end surface of each of the above-mentioned outer engagement members 78 from below, and also cover the through hole 9b of the housing 9 and the vertical hole 82 for cleaning from above. ing.
- a height adjusting shim 83 is mounted between the sleeve 55 and the counter panel 25.
- the inclined outer surface 13 of the piston rod 23 is also wedge-engaged with the inclined inner surface 17 of each of the plurality of outer engagement members 78.
- a cylindrical hole 47 is formed inside the piston rod 23. Further, a transverse path 50 is formed in the piston rod 23 in the radial direction. The inner end of the lateral path 50 is connected to the cylindrical hole 47, and the outer end is open to the outer peripheral surface of the piston rod 23. At a position near the upper end of the piston rod 23, a radial supply path 54 is formed.
- the compressed air supplied to the cleaning passage 45 is supplied to the cylindrical hole 47 inside the piston rod 23 through the horizontal passage 50, and the compressed air is supplied through the inside of the stop bolt 93. You are led to Road 54. Thereafter, the compressed air flows from the gap between the inner peripheral surface of the cylindrical portion 37a of the cap 37 and the piston rod 23 to the clearance gap 80, and is jetted outward from the clearance gap 80. .
- the plug means 6 is placed in the unclamped state, and in this state, the lower surface of the pallet 2 (the portion around the opening end of the insertion hole 5) is placed on the flange 69 of the sleeve 55.
- the lower surface of the pallet 2 is received by the dish panel 25 via the flange 69, and the gap G1 is formed between the support surface 9a and the supported surface 2a. Therefore, in the unclamped state, even if compressed air is supplied to the detection nozzle hole 59, the pressure in the detection nozzle hole 59 does not increase because air leaks from the gap G1.
- the outer engagement member 78 descends while frictionally sliding with respect to the insertion hole 5 of the pallet 2 which has been prevented from descending by the support surface 9a. Then, when the outer engaging member 78 descends by a distance corresponding to the advance stroke against the urging force of the counter panel 25, the outer engaging member 78 moves the counter panel 25. Via the housing 9 described above. Then, the outer engaging member 78 is strongly wedge-engaged with the piston rod 23 to expand the diameter, and the outer engaging member 78 strongly adheres to the inner peripheral surface of the insertion hole 5. As a result, the pallet 2 is restrained in the vertical direction, and is strongly locked. In this clamped state, since the supported surface 2a and the support surface 9a are in contact with and pressed against each other, if compressed air is supplied to the detection nozzle hole 59, the pressure will increase.
- the countersink panel 25 as the gap maintaining member K also serves as a means for holding the outer engaging member 78 as an outer member at a position on the distal end side via the sleeve 55. ing. Therefore, it is not necessary to provide a special configuration for holding the outer engagement member 78 at the position on the distal end side. Therefore, the configuration of the clamp device is simplified, and the number of parts is small.
- FIG. 14 is an enlarged view of a principal part of an elevational cross section of the clamp device of the fifth embodiment, and is a view similar to FIG.
- the fifth embodiment corresponds to a combination of the fourth embodiment (see FIG. 13) and the second embodiment (see FIG. 10).
- the detection hole 29 is opened on the upper surface of the peripheral wall of the through hole 9b in the fourth embodiment.
- the upper surface of the detection hole 29 is configured to be covered by the dish panel 25.
- the air passage 40 is connected to the detection hole 29, It is formed so that air can be supplied. The operation of this embodiment is the same as that of the fourth embodiment and the second embodiment.
- FIG. 15 is an elevational cross-sectional view of the clamp device according to the sixth embodiment, similar to FIG.
- the sixth embodiment is configured as a modified example of the fourth embodiment.
- the main difference between the present embodiment and the fourth embodiment is that the sleeve 55 is advanced by a push-up piston 76 described later.
- An annular push-up piston 76 is hermetically inserted into the upper part of the cylindrical hole of the housing 9.
- the push-up piston 76 is fitted to the upper part of the piston 22 in a hermetically sealed manner, and is configured to be able to contact the sleeve 55 from below.
- a working chamber 77 is formed between the push-up piston 76 and the piston 22.
- the working chamber 77 communicates with the lock hydraulic chamber 53 described above.
- a lip 84 made of a synthetic resin is attached to the lower surface of the flange 69 of the sleeve 55.
- the lip 84 comes into contact with the upper surface of the housing 9 in a sealing manner to prevent foreign matter and the like from entering the housing 9 through the through hole 9b.
- the plurality of outer engagement members 78 are connected to the housing 9 via the sleeve 55, the push-up piston 76, and the pressure oil in the working chamber 77. It is supported by many people.
- the push-up piston 76 corresponds to the gap maintaining member K.
- the gap maintaining member K is configured as a piston driven by a pressurized fluid (in this embodiment, pressurized oil). Therefore, in the unclamped state, a push-up force acting in a direction to separate the pallet 2 from the base plate 1 in order to form the gap G1 between the supported surface 2a and the support surface 9a, It can be easily changed by adjusting the pressure of the pressure oil.
- pressurized fluid in this embodiment, pressurized oil
- the dish panel 25 exemplified in the first to fifth embodiments can be replaced with a coil panel or an elastic body such as rubber. Further, the insertion hole 5 can be formed in a different shape such as a circular tapered hole instead of the illustrated circular straight hole.
- the positional relationship between the pallet 2 and the base plate 1 is arbitrary.
- the pallet 2 may be disposed on the left side and the base plate 1 may be disposed on the right side, and the pallet 2 may be driven horizontally to perform positioning.
- the clamp device may be arranged so that the plug portion 27 faces horizontally leftward.
- the pallet 2 may be configured to be attached to and detached from the base plate 1 in an oblique direction.
- the pallet 2 Before the state shown in FIG. 2, the pallet 2 may be driven in the horizontal direction. That is, before the pallet 2 is lowered with respect to the base plate 1, the pallet 2 is moved in the horizontal direction, and the centering of the insertion hole 5 and the plug portion 27 is performed in advance. Alternatively, the pallet 2 may be lowered as shown in FIG. Instead of the pallet 2 being driven horizontally, the base play It is also possible to adopt a configuration in which the gate 1 is driven in the horizontal direction.
- the support surface 9a may be formed integrally with the base plate 1 instead of being formed on the housing 9.
- the supported surface 2a may be formed on another member fixed to the pallet 2 instead of being formed on the lower surface of the pallet 2.
- the number of the detection nozzle holes 59 formed is one, but a plurality of the detection nozzle holes 59 may be formed.
- the pressurized fluid supplied to the detection nozzle hole 59 is compressed air in each of the above embodiments, but another fluid may be employed.
- another fluid may be employed.
- a configuration in which cutting oil or the like is supplied to the detection nozzle hole 59 may be used.
- the combination of the first block and the second block is a combination of a table of a machine tool and a work pallet, and a combination of a work pallet and a jig base, instead of the combination of the base plate 1 and the pallet 2 illustrated above.
- a combination, a combination of a jig base and a work piece, or a combination of a work jig such as a welding jig and a work piece such as a work piece may be used.
- a combination of a board surface of an injection molding machine or a press machine and a mold may be used.
- the present invention is also applicable to positioning of workpieces, tools, etc. of various processing machines such as a laser power kneading machine and an electric discharge kneading machine.
Abstract
Description
Claims
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020067005565A KR101083525B1 (ko) | 2003-09-26 | 2004-09-07 | 클램프 장치 |
DE602004022178T DE602004022178D1 (de) | 2003-09-26 | 2004-09-07 | Klemmvorrichtung |
EP04787675A EP1666197B1 (en) | 2003-09-26 | 2004-09-07 | Clamp device |
JP2005514166A JP4718329B2 (ja) | 2003-09-26 | 2004-09-07 | クランプ装置 |
US10/570,892 US8366090B2 (en) | 2003-09-26 | 2004-09-07 | Clamping device |
CN2004800277339A CN1856384B (zh) | 2003-09-26 | 2004-09-07 | 夹持装置 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003-335392 | 2003-09-26 | ||
JP2003335392 | 2003-09-26 |
Publications (1)
Publication Number | Publication Date |
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WO2005030435A1 true WO2005030435A1 (ja) | 2005-04-07 |
Family
ID=34386066
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2004/012971 WO2005030435A1 (ja) | 2003-09-26 | 2004-09-07 | クランプ装置 |
Country Status (8)
Country | Link |
---|---|
US (1) | US8366090B2 (ja) |
EP (1) | EP1666197B1 (ja) |
JP (1) | JP4718329B2 (ja) |
KR (1) | KR101083525B1 (ja) |
CN (1) | CN1856384B (ja) |
DE (1) | DE602004022178D1 (ja) |
TW (1) | TWI380873B (ja) |
WO (1) | WO2005030435A1 (ja) |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2008100340A (ja) * | 2006-10-19 | 2008-05-01 | Kosmek Ltd | コレット式クランプ |
JP2009190169A (ja) * | 2009-03-18 | 2009-08-27 | Pascal Engineering Corp | クランプ装置 |
JP2009214293A (ja) * | 2008-02-15 | 2009-09-24 | Pascal Engineering Corp | クランプ装置 |
JP2010264516A (ja) * | 2009-05-12 | 2010-11-25 | Jtekt Corp | 回転体のクランプ装置 |
WO2011004678A1 (ja) * | 2009-07-09 | 2011-01-13 | パスカルエンジニアリング株式会社 | クランプ装置 |
JP2013056418A (ja) * | 2012-11-22 | 2013-03-28 | Pascal Engineering Corp | クランプ装置 |
JP2016179529A (ja) * | 2015-03-24 | 2016-10-13 | ユニパルス株式会社 | 圧力エア測定装置及びこれを用いた工作機械システム |
CN116329997A (zh) * | 2022-12-27 | 2023-06-27 | 江苏保捷精锻有限公司 | 一种钢材加工支撑设备 |
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EP1679151B9 (en) * | 2003-10-20 | 2010-10-13 | Kosmek Ltd. | Positioning device and clamping system having the same |
JP4799487B2 (ja) * | 2007-06-19 | 2011-10-26 | トヨタ自動車株式会社 | ワークの位置決め方法、及び位置決め装置 |
US8210408B2 (en) * | 2007-07-06 | 2012-07-03 | Yakima Products, Inc. | Hitch mounted article carriers for vehicles |
EP2052808B1 (de) * | 2007-10-22 | 2010-03-10 | Erowa AG | Spanneinrichtung mit einem Spannfutter zum lösbaren Fixieren eines Werkstückträgers |
JP4302174B1 (ja) * | 2008-02-15 | 2009-07-22 | パスカルエンジニアリング株式会社 | クランプ装置 |
JP4297511B1 (ja) | 2008-02-15 | 2009-07-15 | パスカルエンジニアリング株式会社 | クランプ装置 |
JP5435908B2 (ja) * | 2008-08-06 | 2014-03-05 | パスカルエンジニアリング株式会社 | クランプ装置 |
JP5276519B2 (ja) * | 2009-05-26 | 2013-08-28 | 株式会社神戸製鋼所 | クランプ装置 |
US9376063B2 (en) | 2012-04-30 | 2016-06-28 | Yakima Products, Inc. | Vehicle carrier system |
CN202952084U (zh) * | 2012-08-03 | 2013-05-29 | 富鼎电子科技(嘉善)有限公司 | 定位结构及采用该定位结构的加工装置 |
US9156510B2 (en) * | 2012-10-17 | 2015-10-13 | Btm Company Llc | Clamp mounting system |
KR102117717B1 (ko) * | 2014-04-21 | 2020-06-09 | 두산공작기계 주식회사 | 자동 팔레트 교환장치의 팔레트 클램핑/언클램핑 확인 장치 |
CN114630730A (zh) * | 2019-10-28 | 2022-06-14 | 克斯美库股份有限公司 | 夹紧装置 |
CN113714754A (zh) * | 2020-05-25 | 2021-11-30 | 成都秦川物联网科技股份有限公司 | 用于物联网智能燃气表智能制造的压盖装配装置 |
CN112548898B (zh) * | 2020-12-02 | 2022-05-10 | 深圳市铭仁塑胶模具有限公司 | 一种注塑模具零件腔孔精加工用辅助固定装置 |
CN114055197B (zh) * | 2021-11-03 | 2023-11-14 | 格力电器(武汉)有限公司 | 一种工件夹具切换装置及方法 |
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- 2004-09-07 JP JP2005514166A patent/JP4718329B2/ja active Active
- 2004-09-07 EP EP04787675A patent/EP1666197B1/en active Active
- 2004-09-07 US US10/570,892 patent/US8366090B2/en active Active
- 2004-09-07 KR KR1020067005565A patent/KR101083525B1/ko active IP Right Grant
- 2004-09-07 CN CN2004800277339A patent/CN1856384B/zh active Active
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- 2004-09-15 TW TW093127895A patent/TWI380873B/zh active
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JP2008100340A (ja) * | 2006-10-19 | 2008-05-01 | Kosmek Ltd | コレット式クランプ |
JP2009214293A (ja) * | 2008-02-15 | 2009-09-24 | Pascal Engineering Corp | クランプ装置 |
JP2009190169A (ja) * | 2009-03-18 | 2009-08-27 | Pascal Engineering Corp | クランプ装置 |
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CN116329997B (zh) * | 2022-12-27 | 2023-10-31 | 江苏保捷精锻有限公司 | 一种钢材加工支撑设备 |
Also Published As
Publication number | Publication date |
---|---|
JPWO2005030435A1 (ja) | 2007-11-15 |
EP1666197A1 (en) | 2006-06-07 |
EP1666197B1 (en) | 2009-07-22 |
KR20060091304A (ko) | 2006-08-18 |
TWI380873B (zh) | 2013-01-01 |
EP1666197A4 (en) | 2008-04-02 |
KR101083525B1 (ko) | 2011-11-16 |
US20060273504A1 (en) | 2006-12-07 |
CN1856384B (zh) | 2010-12-22 |
TW200528228A (en) | 2005-09-01 |
JP4718329B2 (ja) | 2011-07-06 |
DE602004022178D1 (de) | 2009-09-03 |
US8366090B2 (en) | 2013-02-05 |
CN1856384A (zh) | 2006-11-01 |
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