EP3363588B1 - Modular tooling fixture with interchangeable panel defining a tooling surface - Google Patents
Modular tooling fixture with interchangeable panel defining a tooling surface Download PDFInfo
- Publication number
- EP3363588B1 EP3363588B1 EP18157651.3A EP18157651A EP3363588B1 EP 3363588 B1 EP3363588 B1 EP 3363588B1 EP 18157651 A EP18157651 A EP 18157651A EP 3363588 B1 EP3363588 B1 EP 3363588B1
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- EP
- European Patent Office
- Prior art keywords
- bars
- frames
- panel
- tooling assembly
- tooling
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000002131 composite material Substances 0.000 description 3
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000008439 repair process Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
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- 229920001971 elastomer Polymers 0.000 description 1
- 239000000806 elastomer Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
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- 238000004886 process control Methods 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25H—WORKSHOP EQUIPMENT, e.g. FOR MARKING-OUT WORK; STORAGE MEANS FOR WORKSHOPS
- B25H1/00—Work benches; Portable stands or supports for positioning portable tools or work to be operated on thereby
- B25H1/08—Work benches; Portable stands or supports for positioning portable tools or work to be operated on thereby with provision for attachment of work holders
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B11/00—Work holders not covered by any preceding group in the subclass, e.g. magnetic work holders, vacuum work holders
- B25B11/005—Vacuum work holders
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B11/00—Work holders not covered by any preceding group in the subclass, e.g. magnetic work holders, vacuum work holders
- B25B11/02—Assembly jigs
Definitions
- Embodiments of the subject matter described herein relate generally to a tooling fixture, and in particular to a tooling fixture including a plurality of frames releasably coupled to a base of the tooling fixture and a panel releasably coupled to the frames.
- tooling such as, for example, aircraft panels may be manufactured using tooling.
- Conventional tooling usually includes a tooling support or frame and a panel that defines a tooling surface, where the panel is integral with the support.
- Tooling may be used to fabricate a wide variety of parts.
- a composite structure may be fabricated by placing composite material along the tooling surface, and then applying vacuum to hold the composite material during curing.
- a tooling assembly is provided according to claim 1.
- a method for supporting a panel by a tooling assembly is provided according to claim 8 .
- US 2006/0261533 A1 refers to a reconfigurable workpiece support fixture, and the abstract of this document reads:
- 'An exemplary reconfigurable workpiece support fixture includes a base, and a plurality of spaced-apart plates are removably attachable to the base. Each plate defines a plurality of notches along an angular profile.
- a plurality of spaced-apart manifolds are receivable in the plurality of notches, and each manifold spans across the plurality of plates.
- a plurality of attachment devices are removably attachable to the plurality of manifolds.'
- WO 01/30540 A1 refers to a workpiece support and method for supporting a workpiece, and the abstract of this document reads: 'A modular workpiece support reconfigurable to support a number of similar, but different profiled workpieces (such as the leading edge skin sections of an aircraft wing) comprises a base (32) defining a number of stations along the component. Each station comprises a clamp block (34), and a frame element (38) of predetermined profile may by clamped in the clamp block in either of two different orientations (for hand and opposite). Each frame element includes a number of suction cups (40), the suction being controlled by a valve (42).
- the workpiece support may be rapidly reconfigured for a symmetric component simply by unclamping and rotating the frame element through 180 DEG .
- the workpiece support may also be reconfigured for different profiles by selecting the appropriate frame elements from a library thereof.
- a method for supporting a workpiece is also disclosed.'
- ES2 026 410 A6 discloses a system for the special positioning of pieces. It consists of a set of telescopic columns 1, each one of which has its own motor 6 for establishing vertical positioning and they are also grouped on supports 4 which allow the movement of the columns 1 in directions perpendicular to the horizontal plane, thus allowing the positioning of the columns 1 according to the three Cartesian axes and all the aforesaid being controlled from a computerized control unit.
- the tooling fixture or assembly described herein is relatively quickly reconfigured to support panels having different contours. More specifically, the tooling assembly can be used with a plurality of sets of frames, where each set of frames corresponds to a particular contour of a panel. By changing the set of frames coupled to the tooling assembly, the tooling assembly can be reconfigured for different panels. For example, when a new part is to be worked on, the current set of frames are removed from the tooling assembly, and a new set of frames is coupled to supports of the tooling assembly. The frames can slide along the supports to adjust the position of each frame to define the predetermined contour corresponding to the part. Also, different number of frames can be used depending on the part. For example, frames can be added to provide additional strength for supporting the part. For shorter parts, frames can be removed and/or positioned closer together.
- the tooling assembly 10 includes a base 20, a plurality of frames 22 (seen in FIG. 2 ), and a plurality of support members 28.
- the tooling assembly 10 can be used with a coupon or panel 24.
- the panel 24 defines a tooling surface 26 for creating a pattern or mold.
- the frames 22 are each releasably coupled to one of the support members 28 of the tooling assembly 10, and the panel 24 is releasably coupled to the frames 22.
- the tooling surface 26 of the panel 24 includes a contour or profile that is arcuate or curved when viewed along one of the sides 30 of the panel 24.
- the profile of the tooling surface 26 varies in order to accommodate a particular application.
- FIG. 2 illustrates a total of nine frames 22, this embodiment is merely exemplary in nature.
- the number of frames 22 depends upon a length 37 of the panel 24 ( FIG. 1 ). For example, additional frames 22 may be included in order to provide additional support and strength if the length 37 of the panel 24 is increased. Similarly, fewer frames 22 may be required in another approach if the length 37 of the panel 24 is shortened.
- the frames 22 each define a corresponding upper surface 34.
- the panel 24 defines a tool-side surface 32.
- the tool-side surface 32 defines a profile that may correspond to the profile of the tooling surface 26 of the panel 24.
- the upper surfaces 34 of the frames 22 are each shaped to correspond with a portion of the profile defined by tool-side surface 32 of the panel 24.
- the tool-side surface 32 of the panel 24 includes a curved profile.
- this profile is merely exemplary in nature.
- the tool-side surface 32 of the panel 24 may include a planer or flat profile as well.
- the tool-side surface 32 abuts or is seated against the upper surface 34 of each frame 22.
- the vacuum cups 36 of the securing system 38 provide a suction force configured to releasably couple the panel 24 against the upper surface 34 of the frames 22.
- the amount of suction applied by the vacuum cups 36 is based at least in part on a thickness of the panel 24, and is explained in detail below.
- the securing system 38 may include any other vacuum device capable of providing the suction necessary to releasably couple the panel 24 to the frames 22.
- the securing system 38 includes a plurality of manifolds 200.
- the base 20 of the tooling assembly 10 may be supported by a plurality of coasters or wheels 40.
- the wheels 40 may be attached to a bottom portion 42 of the base 20.
- the wheels 40 support a pair of bars 50 of the base 20.
- the bars 50 may be disposed at opposite sides 44 of the tooling assembly 10.
- the bars 50 are both oriented substantially parallel to one another.
- FIG. 3 which is an exploded view of the tooling assembly 10
- the bars 50 may each support a corresponding leg 52 of the tooling assembly 10.
- each leg 52 may be comprised of two panels 46 and a support 48.
- the two panels 46 may be attached to the support 48, where the panels 46 generally oppose one another.
- Each leg 52 may also define a first end portion 54 and a second end portion 56.
- the first end portion 54 of the leg 52 may define an elongated portion 58.
- the elongated portion 58 of each leg 52 may extend in a direction that is substantially transverse to the leg 52, and secured to a corresponding one of the side bars 50.
- the second end portion 56 of the leg 52 may be connected to one of two rotational assemblies 60.
- each leg 52 defines an aperture 62.
- the aperture 62 is shaped to receive a shaft 64.
- the shaft 64 defines an axis of rotation A and is rotatably connected to the base 20 of the tooling assembly 10.
- the tooling assembly 10 also includes a pillow block bearing 68.
- the pillow block bearing 68 includes an anti-friction bearing (not visible in FIG. 4 ) and a housing 66, where the anti-friction bearing is contained within the housing 66.
- the shaft 64 is received within the anti-friction bearing of the pillow block bearing 68, and rotates about its axis of rotation A within the anti-friction bearing of the pillow block bearing 68. As seen in FIG.
- the pillow block bearing 68 is mounted upon a lower surface 71 of a support bar 70 of the base 20.
- the pillow block bearing 68 is also referred to as a housed bearing unit or a plummer block, and is any type of mountable bearing where a mounted shaft (i.e., the shaft 64) is positioned in a substantially parallel plane with respect to a mounting surface (i.e., the mounting surface 69) of the pillow block bearing 68.
- the base 20 includes two support bars 70.
- Each support bar 70 may be positioned at one of the sides 44 of the base 20.
- the base 20 includes two elongated bars 72 oriented in a direction substantially parallel to one another and substantially perpendicular with respect to the support bars 70.
- a plurality of bars 74 are mounted along the two bars 72.
- a frame 22 couples to a respective bar 74. More specifically, each frame 22 couples to a support member 28, and the support member 28 couples to a respective bar 74. Not all bars 74 may have a frame 22 and/or support member 28 coupled thereto. For example, frames 22 can be added to the bars 74 to provide additional strength for supporting the part.
- frames 22 can be omitted from certain bars 74.
- the bars 74 are configured to slide along the bars 72 to adjust the position of the bars 74, and therefore the frames 22, to obtain different arrangements and configurations of the bars 74. Accordingly, the frames 22 can slide along the bars 72 to adjust the position of each frame 22 to define a predetermined contour corresponding to the part.
- the bars 74 are oriented in a direction substantially perpendicular to the two bars 72, and are spaced at substantially equal distances from one another. Moreover, the bars 74 are arranged along an entire length L of the two bars 72. However, the embodiment as shown in FIGS. 3 and 4 is merely exemplary in nature, and the bars 74 may be arranged in a variety of configurations along the two bars 72.
- the bars 74 may each be spaced at different distances from one another (i.e., by sliding at least one bar 74 along the bars 72 and/or by coupling at least one bar 74 to the bars 72), or may not extend along the entire length L of the two bars 72 (e.g., the bars 74 may be positioned along only a portion of the length L of the bars 72).
- the arrangement of the bars 74 depends upon the specific location of each of the frames 22. Accordingly, the bars 74 facilitate reconfiguration of the tooling assembly 10 depending on the part to be supported.
- each support member 28 defines a body 80 and a plurality of projections 82 that extend upwardly and away from the body 80 of the support member 28.
- Each support member 28 is releasably coupled to a corresponding one of the frames 22 by a fastening system 78.
- the fastening system 78 includes a plurality of mechanical fasteners 59.
- the mechanical fasteners 59 are bolts.
- each projection 82 of the support member 28 defines an aperture 76, where the aperture 76 is shaped to receive a corresponding portion of the fastener 59 (i.e., the shank of the bolt) of the fastening system 78.
- Each frame 22 also defines apertures 77 that correspond to the apertures 76 of the support member 28.
- the apertures 77 are also shaped to receive one of the fasteners 59.
- the fastening system 78 including bolts, any other approach to releasably couple the bars 74 to the support members 28 may be used as well such as, for example, spring pins or dovetail fasteners.
- FIG. 5 is another view of one of the rotational assemblies 60 of the tooling assembly 10.
- the rotational assembly 60 includes the shaft 64, the pillow block bearing 68, a selector plate 86, and an indexing mechanism 88.
- the selector plate 86 includes a substantially semi-circular profile.
- the selector plate 86 defines a plurality of circumferentially spaced, uniformly shaped apertures 90.
- the apertures 90 may be disposed along a side surface 92 defined by the selector plate 86.
- the indexing mechanism 88 includes a rod or pin 94 attached to the leg 52 of the base 20.
- the pin 94 is shaped to correspond with the apertures 90 defined by the selector plate 86.
- the shaft 64 is rotatably connected to the base 20. Specifically, the shaft 64 is rotatably connected to the second end portion 56 of the leg 52 by the aperture 62. The shaft 64 rotates about the axis of rotation A to position the panel 24 into a specific angular position relative. The specific angular position of the panel 24 is measured with respect to the axis of rotation A of the shaft 64.
- an operator may exert a force upon the base 20, at one of the two bars 72. As the force is exerted upon the base 20, the shaft 64 rotates within the pillow block bearing 68 about its axis of rotation A in either a clockwise or a counterclockwise direction.
- the bars 74, the support members 28, the frames 22, and the panel 24 rotate together with the shaft 64.
- the operator may then insert the pin 94 though one of the apertures 90 of the selector plate 86.
- the panel 24 is secured into the specific angular position once the pin 94 is received by one of the apertures of the selector plate 86.
- the range of rotation of the panel 24 is about ninety degrees.
- panel 24 may include a range of rotation of three hundred and sixty degrees.
- the rotational assembly 60 is driven electronically instead. Specifically, the shaft 64 of the rotational assembly 60 is rotated about the axis of rotation A by a rotary actuator or servomotor (not illustrated in the figures).
- the tooling assembly 10 includes a plurality of datum targets 100.
- the datum targets 100 are substantially spherical in shape.
- the datum targets 100 specify a point relative to the tooling assembly 10 to establish a datum.
- three datum targets 100 are provided in order to define a plane.
- the three datum targets 100 define a plane when the tooling assembly 10 is placed within a machine vision system (not illustrated in the figures).
- the machine vision system refers to the technology used for providing imaging-based automatic inspection and analysis for applications such as, but not limited to, automatic inspection, process control, or robot guidance.
- the vacuum cups 36 of the securing system 38 provide the suction force configured to releasably couple the panel 24 against the upper surface 34 of each of the frames 22.
- the vacuum cups 36 are fluidly connected to a vacuum producing device (not illustrated) such as, for example, a vacuum pump.
- the vacuum producing device provides the suction force between an inner surface 102 of each vacuum cup 36 and the tool-side surface 32 of the panel 24.
- the suction created by pressing the vacuum cups 36 against the tool-side surface 32 of the panel is sufficient to retain the panel 24 to the tooling assembly 10.
- the suction force may be crcatcd without an external vacuum producing device in some instances.
- the vacuum cups 36 are arranged in a plurality of rows R, where each row R of vacuum cups 36 is supported by one of the frames 22.
- the vacuum cups 36 of each row R are fluidly connected to one another, and to the vacuum producing device.
- a conduit such as tubing (not illustrated) is used to fluidly connect a row R of vacuum cups 36 together with the vacuum producing device.
- a passageway within each frame 22 (not visible in FIG. 2 ) is used to fluidly connect the vacuum cups 36 together with the vacuum producing device.
- FIG. 8 illustrates a valve 104 connected at rear surface 106 of one of the frames 22. Although a single valve 104 is shown in FIG. 8 , each frame 22 includes a corresponding valve 104.
- the tooling assembly 10 comprises a plurality of valves 104, where each of the valves 104 is fluidly connected to a corresponding row R of the vacuum cups 36. Vacuum enters the valve 104 through an opening 110, passes through the valve 104, and into the conduit or passageway (not visible in FIG. 2 ) that fluidly connects a row R of vacuum cups 36 together.
- Each valve 104 may be adjusted accordingly to provide varying levels of suction force to releasably secure the panel 24 against the upper surface 34 of a corresponding frame 22.
- a first row R1 of vacuum cups 36 is provided with a first level of vacuum
- a second row R2 of vacuum cups 36 located adjacent to the first row R1 is provided with a second level of vacuum.
- vacuum is supplied to the first row R1 of vacuum cups 36, but not to the second row R2 of vacuum cups 36.
- the suction force provided by the vacuum cups 36 is based, at least in part, on the thickness of the panel 24. Specifically, the suction force is sufficient to cause the panel 24 to be secured against the upper surface 34 of the frames 22.
- the tool-side surface 32 of the panel 24 abuts against the upper surface 34 of each frame 22.
- the panel 24 may be flexible such that the panel 24 is actually elastically deformed into the contour defined by the upper surface 34 of the frames 22 by the suction force.
- the panel 24 is relatively stiff, and the suction force is unable to elastically deform the panel 24.
- the upper surface 34 of the frames 22 each define a substantially arcuate or curved profile.
- the upper surface 34 of the frames 22 may include any number of profiles.
- FIG. 2 illustrates each frame 22 having substantially identical upper surfaces 34.
- the panel 24 also includes a substantially uniform cross-section when viewed along one of the sides 30 of the panel 24.
- the panel 24 includes a variable cross-sectional profile. That is, the cross-section of the panel 24 is variable when viewed along one of the sides 30. If the panel 24 includes a variable cross-section, then the upper surfaces 34 of the frames 22 will vary in order to create the variable cross-sectional profile of the panel 24.
- the suction force provided by the vacuum cups 36 retains the panel 24 in place against the frames 22, even as the shaft 64 and the panel 24 rotate about the axis of rotation A ( FIG. 4 ).
- the suction force is not sufficient to elastically deform the panel 24 around areas where the vacuum cups 36 apply vacuum.
- the suction force provided by the vacuum cups 36 is not sufficient to elastically deform the panel 24 such that the tooling surface 26 includes a series of circular indentations or dimples where the vacuum cups 36 contact the tooling-side surface 32 of the panel 24.
- the thickness T of the panel 24 ranges from about 0.006 to about 0.022 of an inch (0.1524 to 0.5588 millimeters), and the amount of vacuum applied ranges from about 0 to about 30 inches of mercury (0 to 1.00263 atm).
- the tooling assembly 10 includes a plurality of stops 120.
- the stops 120 are retaining devices that keep the panel 24 in place if there is a loss of vacuum such that the vacuum cups 36 are no longer able to maintain a suction force sufficient to secure the panel 24 against the frames 22.
- two stops 120 may be positioned on a rear surface 122 of two different frames 22, where an edge 124 of the panel 24 abuts against the stops 120.
- the stops 120 prevent the panel 24 from sliding off the upper surface 34 of the frames 22 ( FIG. 2 ).
- one or more stops 120 may also be positioned on the two frames 22 located on the opposing sides 44 of the tooling assembly 10. Specifically, the stops 120 may be positioned on an outermost side surface 130 of the two frames 22 located on the opposing sides 30.
- the stops 120 are also used as fixed datum points for Computer Numeric Control (CNC) programming if the tooling assembly 10 is placed within an automated machine tool.
- CNC Computer Numeric Control
- the stops 120 and the datum targets 100 are used to orient the tooling assembly 10 and panel 24 with respect to a machine and/or facility coordinate system.
- the shaft 64 of the rotational assembly 60 is attached to a servomotor (not illustrated) and is rotated electronically about its axis.
- the servomotor is synchronized with an automated machine tool.
- an external machine may be CNC synchronized with the rotation of the panel 24 about its axis of rotation A. With this arrangement, operations such as painting, drilling, and machining may be performed upon the panel 24 supported by the tooling assembly 10.
- FIG. 6 is an alternative embodiment of the disclosed tooling assembly 10, where the securing system 38 includes the manifolds 200.
- the manifolds 200 are each disposed along the upper surface 34 of one of the frames 22.
- FIG. 6 illustrates a manifold 200 disposed along the upper surface 34 of each frame 22, the embodiment is intended to be exemplary in nature, and the manifolds 200 may also be disposed along the upper surface 34 of only a portion of the frames 22.
- the manifolds 200 each include a corresponding gasket 202 received within a groove (not visible in FIG. 6 ) located around an outer periphery 204 of the upper surface 34 of each frame 22.
- the gasket 202 extends around the outer periphery 204 of the upper surface 34 of one of the frames 22 to define one of the manifolds 200.
- the gasket 202 is a shaped piece of elastomer for sealing the upper surface 34 of the frames 22 to the tool-side surface 32 of the panel 24 ( FIG. 7 ).
- FIG. 8 is an illustration of the valve 104 connected to the rear surface 106 of one of the frames 22, and FIG. 9 is a cross-sectioned view of the frame 22 shown in FIG. 8 .
- vacuum enters the valve 104 through the opening 110, passes through the valve 104, and into a passageway 220 within the frame 22 ( FIG. 9 ).
- the passageway 220 terminates at an opening 222 located along the upper surface 34 of the frame 22 (seen in FIG. 9 ).
- the passageway 220 fluidly connects one of the valves 104 to a corresponding one of the manifolds 200. Similar to the embodiment as shown in FIGS.
- each valve 104 is adjusted accordingly in order to provide varying levels of suction force within each manifold 200.
- an external vacuum producing device is needed in order to provide the suction force to releasably couple the panel 24.
- the vacuum producing device (not illustrated) is activated to produce vacuum
- the tool-side surface 32 of the panel 24 contacts the upper surface 34 of the frame 22.
- the vacuum within the manifold 200 is sufficient to cause the tool-side surface 32 of the panel 24 to be flush with the upper surface 34 of the frame 22.
- the manifolds 200 provide the suction force configured to releasably couple the panel 24 against the upper surface 34 of each of the frames 22.
- FIG. 10 illustrates an exemplary process flow diagram illustrating a method 300 for supporting the panel 24 by the tooling assembly 10.
- method 300 begins at block 302.
- the method 300 includes fixedly attaching a plurality of support members 28 to the base 20.
- Method 300 then proceeds to block 304.
- the method 300 includes releasably coupling each support member 28 to a corresponding one of the frames 22 by the fastening system 78. As seen in FIG. 2 , the plurality of frames 22 each define a corresponding upper surface 34. Method 300 then proceeds to block 306.
- the method 300 includes releasably coupling the panel 24 to the plurality of frames 22 by providing the suction force by the securing system 38.
- the suction force is configured to releasably secure the panel 24 against the upper surface 34 of the plurality of frames 22.
- the securing system 38 includes either a plurality of vacuum cups 36 or a plurality of manifolds 200 that are each disposed along the upper surface 34 of one of the frames 22.
- the securing system 38 includes the vacuum cups 36.
- the securing system 38 includes the manifolds 200.
- the disclosed tooling assembly includes modularity, increased flexibility, and substantial cost savings when compared to conventional tooling.
- Conventional tooling typically includes a panel fixedly attached to a frame.
- the disclosed tooling assembly includes a securing system for providing a suction force to releasably couple the panel against the upper surface of the frames, thereby allowing for the panel to be removed and replaced with another type of panel. Accordingly, the tooling surface of the panel is interchangeable.
- the frames are also releasably secured to the frame as well.
- the frame of the tooling assembly remains the same, and only the frame and the panel need to be replaced in order to fabricate another component.
- the disclosed tooling assembly may significantly reduce cost when compared to conventional tooling techniques, since only the frames that require repair or replacement can be removed from the tooling assembly.
- the disclosed tooling assembly may also require less storage space when compared to current tooling, since the frames may be removed and stored on a pallet rack, and another set of frames may be installed to the base of the tooling assembly.
- the tooling assembly may be used in a variety of different applications such as, for example, machining, development, drill/fit, assembly, layup, sealing, and automated indexer/axis.
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Description
- Embodiments of the subject matter described herein relate generally to a tooling fixture, and in particular to a tooling fixture including a plurality of frames releasably coupled to a base of the tooling fixture and a panel releasably coupled to the frames.
- Various parts such as, for example, aircraft panels may be manufactured using tooling. Conventional tooling usually includes a tooling support or frame and a panel that defines a tooling surface, where the panel is integral with the support. Tooling may be used to fabricate a wide variety of parts. For example, a composite structure may be fabricated by placing composite material along the tooling surface, and then applying vacuum to hold the composite material during curing.
- Although conventional tooling is widely used to fabricate a variety of parts, several challenges currently exist. For example, conventional tools are typically heavy and bulky. Thus, substantial capital equipment is required to move the tooling within a facility. Furthermore, since tools are usually bulky, they generally occupy a large amount of space within the facility. Since conventional tools are typically capable of only being able to fabricate a single part, multiple tools often accumulate within a storage area of the facility. This may pose an issue, especially if the facility only has limited storage space. Finally, many conventional tools can be difficult and expensive to repair or modify. In particular, if a component undergoes a design change where the contour or shape of the component is altered, then the tooling may need to undergo substantial rework in order to accommodate the design changes.
- In one embodiment, a tooling assembly is provided according to claim 1.
- In yet another embodiment, a method for supporting a panel by a tooling assembly is provided according to claim 8 .
-
US 2006/0261533 A1 refers to a reconfigurable workpiece support fixture, and the abstract of this document reads: 'An exemplary reconfigurable workpiece support fixture according to an embodiment of the present invention includes a base, and a plurality of spaced-apart plates are removably attachable to the base. Each plate defines a plurality of notches along an angular profile. A plurality of spaced-apart manifolds are receivable in the plurality of notches, and each manifold spans across the plurality of plates. A plurality of attachment devices are removably attachable to the plurality of manifolds.' -
WO 01/30540 A1 -
ES2 026 410 A6 - Other objects and advantages of the disclosed method and system will be apparent from the following description, the accompanying drawings and the appended claims.
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FIG. 1 is a perspective view of the disclosed modular tooling assembly, where the modular tooling assembly includes a base, a plurality of frames, and a panel; -
FIG. 2 is an illustration of the tooling assembly shown inFIG. 1 , where the panel is removed in order to reveal a plurality of vacuum cups for securing the panel to the frames; -
FIG. 3 is an exploded view of the tooling assembly shown inFIG. 1 ; -
FIG. 4 is an enlarged view of a rotational assembly of the tooling assembly shown inFIG. 1 ; -
FIG. 5 is another view of the rotational assembly shown inFIG. 4 ; -
FIG. 6 is an illustration of an alternative embodiment of the disclosed tooling assembly including a manifold system for securing the panel to the frames; -
FIG. 7 is a perspective view of the tooling assembly shown inFIG. 6 ; -
FIG. 8 illustrates a valve connected to one of the frames of the tooling assembly; -
FIG. 9 is a cross-sectioned view of the frame shown inFIG. 8 ; and -
FIG. 10 is an exemplary process flow diagram illustrating a method for supporting the panel using the disclosed tooling assembly. - The tooling fixture or assembly described herein is relatively quickly reconfigured to support panels having different contours. More specifically, the tooling assembly can be used with a plurality of sets of frames, where each set of frames corresponds to a particular contour of a panel. By changing the set of frames coupled to the tooling assembly, the tooling assembly can be reconfigured for different panels. For example, when a new part is to be worked on, the current set of frames are removed from the tooling assembly, and a new set of frames is coupled to supports of the tooling assembly. The frames can slide along the supports to adjust the position of each frame to define the predetermined contour corresponding to the part. Also, different number of frames can be used depending on the part. For example, frames can be added to provide additional strength for supporting the part. For shorter parts, frames can be removed and/or positioned closer together.
- Referring now to
FIG. 1 , an exemplary modular tooling fixture orassembly 10 is illustrated. Thetooling assembly 10 includes abase 20, a plurality of frames 22 (seen inFIG. 2 ), and a plurality ofsupport members 28. Thetooling assembly 10 can be used with a coupon orpanel 24. Thepanel 24 defines atooling surface 26 for creating a pattern or mold. As explained in greater detail below, theframes 22 are each releasably coupled to one of thesupport members 28 of thetooling assembly 10, and thepanel 24 is releasably coupled to theframes 22. In the exemplary embodiment as shown, thetooling surface 26 of thepanel 24 includes a contour or profile that is arcuate or curved when viewed along one of thesides 30 of thepanel 24. However, the profile of thetooling surface 26 varies in order to accommodate a particular application. - Turning now to
FIG. 2 , thepanel 24 has been removed in order to reveal the plurality offrames 22 as well as asecuring system 38, which is illustrated as plurality ofvacuum cups 36. Thesecuring system 38 is configured to provide a suction force that releasably secures thepanel 24 against theupper surface 34 of theframes 22. AlthoughFIG. 2 illustrates a total of nineframes 22, this embodiment is merely exemplary in nature. In one embodiment, the number offrames 22 depends upon alength 37 of the panel 24 (FIG. 1 ). For example,additional frames 22 may be included in order to provide additional support and strength if thelength 37 of thepanel 24 is increased. Similarly,fewer frames 22 may be required in another approach if thelength 37 of thepanel 24 is shortened. - Referring to both
FIGS. 1 and2 , theframes 22 each define a correspondingupper surface 34. Thepanel 24 defines a tool-side surface 32. The tool-side surface 32 defines a profile that may correspond to the profile of thetooling surface 26 of thepanel 24. Theupper surfaces 34 of theframes 22 are each shaped to correspond with a portion of the profile defined by tool-side surface 32 of thepanel 24. In the embodiment as shown inFIG. 1 , the tool-side surface 32 of thepanel 24 includes a curved profile. However, this profile is merely exemplary in nature. In another embodiment, the tool-side surface 32 of thepanel 24 may include a planer or flat profile as well. The tool-side surface 32 abuts or is seated against theupper surface 34 of eachframe 22. The vacuum cups 36 of the securingsystem 38 provide a suction force configured to releasably couple thepanel 24 against theupper surface 34 of theframes 22. The amount of suction applied by the vacuum cups 36 is based at least in part on a thickness of thepanel 24, and is explained in detail below. Furthermore, although vacuum cups 36 are illustrated inFIG. 2 , the securingsystem 38 may include any other vacuum device capable of providing the suction necessary to releasably couple thepanel 24 to theframes 22. For example, in an alternative embodiment illustrated inFIG. 6 and described in detail below, the securingsystem 38 includes a plurality ofmanifolds 200. - Turning back to both
FIGS. 1 and2 , thebase 20 of thetooling assembly 10 may be supported by a plurality of coasters orwheels 40. Thewheels 40 may be attached to abottom portion 42 of thebase 20. Thewheels 40 support a pair ofbars 50 of thebase 20. Thebars 50 may be disposed atopposite sides 44 of thetooling assembly 10. In the embodiment as shown, thebars 50 are both oriented substantially parallel to one another. Turning now toFIG. 3 , which is an exploded view of thetooling assembly 10, thebars 50 may each support acorresponding leg 52 of thetooling assembly 10. Specifically, eachleg 52 may be comprised of twopanels 46 and asupport 48. The twopanels 46 may be attached to thesupport 48, where thepanels 46 generally oppose one another. - Each
leg 52 may also define afirst end portion 54 and asecond end portion 56. Thefirst end portion 54 of theleg 52 may define anelongated portion 58. Theelongated portion 58 of eachleg 52 may extend in a direction that is substantially transverse to theleg 52, and secured to a corresponding one of the side bars 50. Thesecond end portion 56 of theleg 52 may be connected to one of tworotational assemblies 60. - Referring now to
FIG. 4 , thesecond end portion 56 of eachleg 52 defines anaperture 62. Theaperture 62 is shaped to receive ashaft 64. Theshaft 64 defines an axis of rotation A and is rotatably connected to thebase 20 of thetooling assembly 10. Thetooling assembly 10 also includes apillow block bearing 68. The pillow block bearing 68 includes an anti-friction bearing (not visible inFIG. 4 ) and ahousing 66, where the anti-friction bearing is contained within thehousing 66. Theshaft 64 is received within the anti-friction bearing of the pillow block bearing 68, and rotates about its axis of rotation A within the anti-friction bearing of thepillow block bearing 68. As seen inFIG. 4 , the pillow block bearing 68 is mounted upon alower surface 71 of asupport bar 70 of thebase 20. The pillow block bearing 68 is also referred to as a housed bearing unit or a plummer block, and is any type of mountable bearing where a mounted shaft (i.e., the shaft 64) is positioned in a substantially parallel plane with respect to a mounting surface (i.e., the mounting surface 69) of thepillow block bearing 68. - Referring to both
FIGS. 3 and4 , thebase 20 includes two support bars 70. Eachsupport bar 70 may be positioned at one of thesides 44 of thebase 20. Thebase 20 includes twoelongated bars 72 oriented in a direction substantially parallel to one another and substantially perpendicular with respect to the support bars 70. As seen inFIG. 3 , a plurality ofbars 74 are mounted along the twobars 72. Aframe 22 couples to arespective bar 74. More specifically, eachframe 22 couples to asupport member 28, and thesupport member 28 couples to arespective bar 74. Not all bars 74 may have aframe 22 and/orsupport member 28 coupled thereto. For example, frames 22 can be added to thebars 74 to provide additional strength for supporting the part. For shorter parts, frames 22 can be omitted fromcertain bars 74. Thebars 74 are configured to slide along thebars 72 to adjust the position of thebars 74, and therefore theframes 22, to obtain different arrangements and configurations of thebars 74. Accordingly, theframes 22 can slide along thebars 72 to adjust the position of eachframe 22 to define a predetermined contour corresponding to the part. - The
bars 74 are oriented in a direction substantially perpendicular to the twobars 72, and are spaced at substantially equal distances from one another. Moreover, thebars 74 are arranged along an entire length L of the twobars 72. However, the embodiment as shown inFIGS. 3 and4 is merely exemplary in nature, and thebars 74 may be arranged in a variety of configurations along the twobars 72. For example, in another embodiment, thebars 74 may each be spaced at different distances from one another (i.e., by sliding at least onebar 74 along thebars 72 and/or by coupling at least onebar 74 to the bars 72), or may not extend along the entire length L of the two bars 72 (e.g., thebars 74 may be positioned along only a portion of the length L of the bars 72). The arrangement of thebars 74 depends upon the specific location of each of theframes 22. Accordingly, thebars 74 facilitate reconfiguration of thetooling assembly 10 depending on the part to be supported. - Referring to
FIGS. 2 and3 , a plurality ofsupport members 28 are fixedly attached to abar 74 of thebase 20. In the embodiment as illustrated, eachsupport member 28 defines abody 80 and a plurality ofprojections 82 that extend upwardly and away from thebody 80 of thesupport member 28. Eachsupport member 28 is releasably coupled to a corresponding one of theframes 22 by afastening system 78. Thefastening system 78 includes a plurality ofmechanical fasteners 59. In the exemplary embodiment as shown, themechanical fasteners 59 are bolts. Specifically, eachprojection 82 of thesupport member 28 defines anaperture 76, where theaperture 76 is shaped to receive a corresponding portion of the fastener 59 (i.e., the shank of the bolt) of thefastening system 78. Eachframe 22 also definesapertures 77 that correspond to theapertures 76 of thesupport member 28. Theapertures 77 are also shaped to receive one of thefasteners 59. Although the figures illustrate thefastening system 78 including bolts, any other approach to releasably couple thebars 74 to thesupport members 28 may be used as well such as, for example, spring pins or dovetail fasteners. -
FIG. 5 is another view of one of therotational assemblies 60 of thetooling assembly 10. Referring to bothFIGS. 4 and5 , therotational assembly 60 includes theshaft 64, the pillow block bearing 68, aselector plate 86, and anindexing mechanism 88. In the exemplary embodiment as shown, theselector plate 86 includes a substantially semi-circular profile. Theselector plate 86 defines a plurality of circumferentially spaced, uniformly shapedapertures 90. Theapertures 90 may be disposed along aside surface 92 defined by theselector plate 86. Theindexing mechanism 88 includes a rod or pin 94 attached to theleg 52 of thebase 20. Thepin 94 is shaped to correspond with theapertures 90 defined by theselector plate 86. - As seen in
FIG. 4 , theshaft 64 is rotatably connected to thebase 20. Specifically, theshaft 64 is rotatably connected to thesecond end portion 56 of theleg 52 by theaperture 62. Theshaft 64 rotates about the axis of rotation A to position thepanel 24 into a specific angular position relative. The specific angular position of thepanel 24 is measured with respect to the axis of rotation A of theshaft 64. In particular, referring toFIGS. 1 and4-5 , an operator may exert a force upon thebase 20, at one of the twobars 72. As the force is exerted upon thebase 20, theshaft 64 rotates within the pillow block bearing 68 about its axis of rotation A in either a clockwise or a counterclockwise direction. As theshaft 64 rotates about the axis of rotation A, thebars 74, thesupport members 28, theframes 22, and the panel 24 (FIG. 1 ) rotate together with theshaft 64. Once the operator has rotated thepanel 24 into the specific angular position, the operator may then insert thepin 94 though one of theapertures 90 of theselector plate 86. Thepanel 24 is secured into the specific angular position once thepin 94 is received by one of the apertures of theselector plate 86. In the non-limiting embodiment as shown in the figures, the range of rotation of thepanel 24 is about ninety degrees. However, in another embodiment,panel 24 may include a range of rotation of three hundred and sixty degrees. Although the embodiments describe therotational assembly 60 as a mechanical device driven manually by an operator, in another embodiment therotational assembly 60 is driven electronically instead. Specifically, theshaft 64 of therotational assembly 60 is rotated about the axis of rotation A by a rotary actuator or servomotor (not illustrated in the figures). - Referring to
FIGS. 3-5 , in one embodiment thetooling assembly 10 includes a plurality of datum targets 100. In the embodiment as illustrated, the datum targets 100 are substantially spherical in shape. The datum targets 100 specify a point relative to thetooling assembly 10 to establish a datum. In the embodiment as shown, threedatum targets 100 are provided in order to define a plane. The threedatum targets 100 define a plane when thetooling assembly 10 is placed within a machine vision system (not illustrated in the figures). The machine vision system refers to the technology used for providing imaging-based automatic inspection and analysis for applications such as, but not limited to, automatic inspection, process control, or robot guidance. - Referring now to
FIGS. 1 and2 , the vacuum cups 36 of the securingsystem 38 provide the suction force configured to releasably couple thepanel 24 against theupper surface 34 of each of theframes 22. The vacuum cups 36 are fluidly connected to a vacuum producing device (not illustrated) such as, for example, a vacuum pump. In one embodiment, the vacuum producing device provides the suction force between an inner surface 102 of eachvacuum cup 36 and the tool-side surface 32 of thepanel 24. However, in another approach the suction created by pressing the vacuum cups 36 against the tool-side surface 32 of the panel is sufficient to retain thepanel 24 to thetooling assembly 10. In other words, the suction force may be crcatcd without an external vacuum producing device in some instances. If the suction force is provided without the vacuum producing device, then check valves are provided so that there is no loss of suction. As seen inFIG. 2 , the vacuum cups 36 are arranged in a plurality of rows R, where each row R of vacuum cups 36 is supported by one of theframes 22. The vacuum cups 36 of each row R are fluidly connected to one another, and to the vacuum producing device. For example, in one embodiment, a conduit such as tubing (not illustrated) is used to fluidly connect a row R of vacuum cups 36 together with the vacuum producing device. In another embodiment, a passageway within each frame 22 (not visible inFIG. 2 ) is used to fluidly connect the vacuum cups 36 together with the vacuum producing device. -
FIG. 8 illustrates avalve 104 connected atrear surface 106 of one of theframes 22. Although asingle valve 104 is shown inFIG. 8 , eachframe 22 includes acorresponding valve 104. Referring to bothFIGS. 2 and8 , thetooling assembly 10 comprises a plurality ofvalves 104, where each of thevalves 104 is fluidly connected to a corresponding row R of the vacuum cups 36. Vacuum enters thevalve 104 through anopening 110, passes through thevalve 104, and into the conduit or passageway (not visible inFIG. 2 ) that fluidly connects a row R of vacuum cups 36 together. Eachvalve 104 may be adjusted accordingly to provide varying levels of suction force to releasably secure thepanel 24 against theupper surface 34 of acorresponding frame 22. For example, in one approach, a first row R1 of vacuum cups 36 is provided with a first level of vacuum, and a second row R2 of vacuum cups 36 located adjacent to the first row R1 is provided with a second level of vacuum. In one embodiment, vacuum is supplied to the first row R1 of vacuum cups 36, but not to the second row R2 of vacuum cups 36. - Referring now to
FIGS. 1 and2 , the suction force provided by the vacuum cups 36 is based, at least in part, on the thickness of thepanel 24. Specifically, the suction force is sufficient to cause thepanel 24 to be secured against theupper surface 34 of theframes 22. The tool-side surface 32 of thepanel 24 abuts against theupper surface 34 of eachframe 22. In one embodiment, thepanel 24 may be flexible such that thepanel 24 is actually elastically deformed into the contour defined by theupper surface 34 of theframes 22 by the suction force. However, in an alternative embodiment thepanel 24 is relatively stiff, and the suction force is unable to elastically deform thepanel 24. - In the exemplary embodiment as shown in
FIG. 2 , theupper surface 34 of theframes 22 each define a substantially arcuate or curved profile. However, theupper surface 34 of theframes 22 may include any number of profiles. Furthermore,FIG. 2 illustrates eachframe 22 having substantially identical upper surfaces 34. Accordingly, thepanel 24 also includes a substantially uniform cross-section when viewed along one of thesides 30 of thepanel 24. However, in another embodiment, thepanel 24 includes a variable cross-sectional profile. That is, the cross-section of thepanel 24 is variable when viewed along one of thesides 30. If thepanel 24 includes a variable cross-section, then theupper surfaces 34 of theframes 22 will vary in order to create the variable cross-sectional profile of thepanel 24. - The suction force provided by the vacuum cups 36 retains the
panel 24 in place against theframes 22, even as theshaft 64 and thepanel 24 rotate about the axis of rotation A (FIG. 4 ). However, the suction force is not sufficient to elastically deform thepanel 24 around areas where the vacuum cups 36 apply vacuum. For example, in the embodiment as shown inFIGS. 1-2 , the suction force provided by the vacuum cups 36 is not sufficient to elastically deform thepanel 24 such that thetooling surface 26 includes a series of circular indentations or dimples where the vacuum cups 36 contact the tooling-side surface 32 of thepanel 24. In one exemplary embodiment, the thickness T of thepanel 24 ranges from about 0.006 to about 0.022 of an inch (0.1524 to 0.5588 millimeters), and the amount of vacuum applied ranges from about 0 to about 30 inches of mercury (0 to 1.00263 atm). - Referring to
FIGS. 1-3 , in one embodiment thetooling assembly 10 includes a plurality ofstops 120. Thestops 120 are retaining devices that keep thepanel 24 in place if there is a loss of vacuum such that the vacuum cups 36 are no longer able to maintain a suction force sufficient to secure thepanel 24 against theframes 22. As seen inFIG. 1 , twostops 120 may be positioned on arear surface 122 of twodifferent frames 22, where anedge 124 of thepanel 24 abuts against thestops 120. Thus, in the event there is a loss or decreased amount of vacuum provided to the vacuum cups 36, thestops 120 prevent thepanel 24 from sliding off theupper surface 34 of the frames 22 (FIG. 2 ). Referring toFIGS. 2 and5 , one ormore stops 120 may also be positioned on the twoframes 22 located on the opposingsides 44 of thetooling assembly 10. Specifically, thestops 120 may be positioned on anoutermost side surface 130 of the twoframes 22 located on the opposing sides 30. - In addition to retaining the
panel 24 during a loss of vacuum, thestops 120 are also used as fixed datum points for Computer Numeric Control (CNC) programming if thetooling assembly 10 is placed within an automated machine tool. For example, thestops 120 and the datum targets 100 are used to orient thetooling assembly 10 andpanel 24 with respect to a machine and/or facility coordinate system. Referring now toFIG. 4 , in some instances theshaft 64 of therotational assembly 60 is attached to a servomotor (not illustrated) and is rotated electronically about its axis. The servomotor is synchronized with an automated machine tool. In one approach, an external machine may be CNC synchronized with the rotation of thepanel 24 about its axis of rotation A. With this arrangement, operations such as painting, drilling, and machining may be performed upon thepanel 24 supported by thetooling assembly 10. -
FIG. 6 is an alternative embodiment of the disclosedtooling assembly 10, where the securingsystem 38 includes themanifolds 200. As seen inFIG. 6 , themanifolds 200 are each disposed along theupper surface 34 of one of theframes 22. AlthoughFIG. 6 illustrates a manifold 200 disposed along theupper surface 34 of eachframe 22, the embodiment is intended to be exemplary in nature, and themanifolds 200 may also be disposed along theupper surface 34 of only a portion of theframes 22. Themanifolds 200 each include acorresponding gasket 202 received within a groove (not visible inFIG. 6 ) located around anouter periphery 204 of theupper surface 34 of eachframe 22. Thus, thegasket 202 extends around theouter periphery 204 of theupper surface 34 of one of theframes 22 to define one of themanifolds 200. Thegasket 202 is a shaped piece of elastomer for sealing theupper surface 34 of theframes 22 to the tool-side surface 32 of the panel 24 (FIG. 7 ). -
FIG. 8 is an illustration of thevalve 104 connected to therear surface 106 of one of theframes 22, andFIG. 9 is a cross-sectioned view of theframe 22 shown inFIG. 8 . Referring now toFIGS. 6-8 , vacuum enters thevalve 104 through theopening 110, passes through thevalve 104, and into apassageway 220 within the frame 22 (FIG. 9 ). Thepassageway 220 terminates at anopening 222 located along theupper surface 34 of the frame 22 (seen inFIG. 9 ). Thepassageway 220 fluidly connects one of thevalves 104 to a corresponding one of themanifolds 200. Similar to the embodiment as shown inFIGS. 1-5 , eachvalve 104 is adjusted accordingly in order to provide varying levels of suction force within each manifold 200. However, unlike the embodiment as described above including vacuum cups, an external vacuum producing device is needed in order to provide the suction force to releasably couple thepanel 24. - Once the vacuum producing device (not illustrated) is activated to produce vacuum, the tool-
side surface 32 of the panel 24 (FIG. 7 ) contacts theupper surface 34 of theframe 22. In other words, the vacuum within themanifold 200 is sufficient to cause the tool-side surface 32 of thepanel 24 to be flush with theupper surface 34 of theframe 22. Accordingly, themanifolds 200 provide the suction force configured to releasably couple thepanel 24 against theupper surface 34 of each of theframes 22. -
FIG. 10 illustrates an exemplary process flow diagram illustrating amethod 300 for supporting thepanel 24 by thetooling assembly 10. Referring now toFIGS. 1-3 and10 ,method 300 begins atblock 302. Inblock 302, themethod 300 includes fixedly attaching a plurality ofsupport members 28 to thebase 20.Method 300 then proceeds to block 304. - In
block 304, themethod 300 includes releasably coupling eachsupport member 28 to a corresponding one of theframes 22 by thefastening system 78. As seen inFIG. 2 , the plurality offrames 22 each define a correspondingupper surface 34.Method 300 then proceeds to block 306. - In
block 306, themethod 300 includes releasably coupling thepanel 24 to the plurality offrames 22 by providing the suction force by the securingsystem 38. Specifically, the suction force is configured to releasably secure thepanel 24 against theupper surface 34 of the plurality offrames 22. The securingsystem 38 includes either a plurality of vacuum cups 36 or a plurality ofmanifolds 200 that are each disposed along theupper surface 34 of one of theframes 22. Specifically, in the embodiments as shown inFIGS. 1-5 , the securingsystem 38 includes the vacuum cups 36. Alternatively, in the embodiment as shown inFIGS. 6-9 , the securingsystem 38 includes themanifolds 200.Method 300 then terminates. - Referring generally to the figures, technical effects and benefits of the disclosed tooling assembly include modularity, increased flexibility, and substantial cost savings when compared to conventional tooling. Conventional tooling typically includes a panel fixedly attached to a frame. In contrast, the disclosed tooling assembly includes a securing system for providing a suction force to releasably couple the panel against the upper surface of the frames, thereby allowing for the panel to be removed and replaced with another type of panel. Accordingly, the tooling surface of the panel is interchangeable. Moreover, the frames are also releasably secured to the frame as well. Thus, the frame of the tooling assembly remains the same, and only the frame and the panel need to be replaced in order to fabricate another component. The disclosed tooling assembly may significantly reduce cost when compared to conventional tooling techniques, since only the frames that require repair or replacement can be removed from the tooling assembly. The disclosed tooling assembly may also require less storage space when compared to current tooling, since the frames may be removed and stored on a pallet rack, and another set of frames may be installed to the base of the tooling assembly. Finally, the tooling assembly may be used in a variety of different applications such as, for example, machining, development, drill/fit, assembly, layup, sealing, and automated indexer/axis.
- While the forms of apparatus and methods herein described constitute preferred aspects of this disclosure, it is to be understood that the disclosure is not limited to these precise forms of apparatus and methods, and the changes may be made therein without departing from the scope of the disclosure as defined by the appended claims.
Claims (15)
- A tooling assembly (10) for use with a panel (24) defining a tool-side surface (32) and the tool-side surface (32) defining a profile, which profile is arcuate or curved when viewed along one of the sides (30) of the panel (24) comprising:- a base (20);- a plurality of support members (28),- a plurality of frames (22) each defining a corresponding upper surface (34), wherein each of the support members (28) is releasably coupled to a corresponding one of the frames (22) by a fastening system (78),- a rotational assembly (60) including a shaft (64), the shaft (64) defining an axis of rotation (A) and rotatably connected to the base (20), wherein the shaft (64) rotates about the axis of rotation to position the panel (24) into a specific angular position,wherein the plurality of frames (22) are configured to releasably couple to the panel (24),wherein the upper surfaces (34) of the frames (22) are each shaped to correspond with a portion of the profile of the tool-side surface (32) of the panel (24) and a securing system (38) configured to provide a suction force that releasably secures the panel (24) against the upper surface (34) of the frames (22),wherein the base (20) includes a pair of bars (72) and a plurality of bars (74) mounted along the pair of bars (72), the plurality of bars (74) being perpendicular to the pair of bars (72),wherein each support member (28) of the plurality of support members (28) is coupled to a bar (74) of the plurality of bars (74),wherein the bars (74) of the plurality of bars (74) are configured to slide along the bars (72) of the pair of bars (72) to adjust the position of the bars (74) of the plurality of bars (74) , and thereby to adjust the position of the frames (22), to obtain different arrangements and configurations of the bars (74 of the plurality of bars (74)
- The tooling assembly (10) of claim 1, wherein the securing system (38) comprises a plurality of vacuum cups (36) arranged into a plurality of rows (R), preferably wherein the vacuum cups (36) of a single row (R) are fluidly connected to one another, more preferably further comprising a conduit that fluidly connects the vacuum cups (36) of each row (R) together with a vacuum producing device.
- The tooling assembly (10) of claim 1, wherein the securing system (38) includes a plurality of manifolds (200) each disposed along the upper surface (34) of one of the frames (22), more preferably wherein the manifolds (200) each include a corresponding gasket (202), and wherein the gasket (202) extends around an outer periphery (204) of the upper surface (34) of one of the frames (22) to define one of the manifolds (200).
- The tooling assembly (10) of any one of claims 1 to 3, wherein the fastening system (78) includes a plurality of mechanical fasteners (59).
- The tooling assembly (10) of any one of claims 1 to 4, wherein each of the support members (28) defines a body (80) and a plurality of projections (82) that extend upwardly and away from the body (80), preferably wherein each of the projections (82) of the support members (28) defines an aperture (76), wherein the aperture (76) is shaped to receive a corresponding fastener (59) of the fastening system (78).
- The tooling assembly (10) of any of the preceding claims, wherein the rotational assembly (60) further comprises:- a selector plate (86) including a plurality of apertures (90) that are spaced apart along the selector plate (86); and- an indexing mechanism (88) including a pin (94) shaped to correspond to the plurality of apertures (90) of the selector plate (86), preferably wherein the pin (94) is inserted into one of the apertures (90) of the selector plate (86) to secure the panel (24) at the specific angular position.
- The tooling assembly (10) of any of the preceding claims, wherein the bars (74), the support members (28), the frames (22) rotate together with the shaft (64).
- A method for supporting a panel (24) by a tooling assembly (10), the method comprising:- fixedly attaching a plurality of support members (28) to a base (20), wherein the base (20) includes a pair of bars (72) and a plurality of bars (74) mounted along the pair of bars (72), the plurality of bars (74) being perpendicular to the pair of bars (72), wherein each support member (28) of the plurality of support members (28) is coupled to a bar (74) of the plurality of bars (74);- releasably coupling each of the support members (28) to a corresponding one of a plurality of frames (22) by a fastening system (78), wherein the frames (22) each define a corresponding upper surface (34); and- releasably coupling the panel (24) to the upper surface (34) of the frames (22) by providing a suction force, wherein the suction force is provided by a securing system (38),- sliding the bars (74) of the plurality of bars (74) along the bars (72) of the pair of bars (72) to adjust the position of the bars (74 of the plurality of bars (74) , and thereby adjusting the position of the frames (22) to obtain different arrangements and configurations of the bars (74) of the plurality of bars (74) ; and- adapting a number of frames (22) used to a length (L) of the panel (24); and
wherein the tooling assembly (10) includes a rotational assembly (60) including a shaft (64) rotatably connected to the base (20), and wherein the method further comprises:- rotating the shaft (64) about an axis of rotation (A) to position the panel (24) into a specific angular position, the shaft (64) defining the axis of rotation (A). - The method of claim 8, further comprising disposing a plurality of vacuum cups (36) along the upper surface (34) of one of the frames (22).
- The method of claim 8, further comprising disposing a plurality of manifolds (200) along the upper surface (34) of one of the frames (22).
- The method of any of the claims 9 or 10 wherein the tooling assembly (10) includes a plurality of valves (104), wherein each of the valves (104) is fluidly connected to a corresponding row (R) of the vacuum cups (36) or to a corresponding manifold (200), the method further comprising adjusting each valve (104) to provide varying levels of suction force to releasably secure the panel (24) against the upper surface (34) of a corresponding frame (22).
- The method of claim 11, wherein adjust each valve (104) comprises: providing a first level of vacuum to a first row (R) of vacuum cups (36) or to a first manifold (200), and providing a second level of vacuum to a second row (R) of vacuum cups (36), preferably wherein the first row (R) is adjacent to the second row (R) or to a second manifold (200).
- The method of any one of claims 8 to 12, wherein the rotational assembly (60) including a selector plate (86) including a plurality of apertures (90) that are spaced apart along the selector plate (86), and an indexing mechanism (88) including a pin (94) shaped to correspond to the plurality of apertures (90) of the selector plate (86).
- The method of any of the claims 8 to 12, further comprising operating the securing system (38) to apply an amount of suction to the panel (24) based at least on a thickness of the panel (24).
- Use of tooling assembly (10) according to any of the preceding claims 1 ― 7 in a method according to any of the claims 8 ― 14.
Applications Claiming Priority (2)
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US15/437,188 US10906157B2 (en) | 2017-02-20 | 2017-02-20 | Modular tooling fixture with interchangeable panel defining a tooling surface |
NL2018636A NL2018636B1 (en) | 2017-04-03 | 2017-04-03 | Modular tooling fixture with interchangeable panel defining a tooling surface |
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EP3363588B1 true EP3363588B1 (en) | 2021-12-08 |
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CN110524910A (en) * | 2019-09-09 | 2019-12-03 | 山东非金属材料研究所 | A kind of VARTM technique composite material mould and its manufacturing method |
EP3967454B1 (en) * | 2020-09-11 | 2024-02-21 | Leko Labs S.A. | Mounting table for manufacturing a panel assembly |
US11827380B2 (en) | 2021-01-26 | 2023-11-28 | The Boeing Company | System and method for positioning a sub-assembly for installation |
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ES2026410A6 (en) * | 1990-11-14 | 1992-04-16 | Torres Martinez M | System for the spatial positioning of pieces |
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US4861008A (en) * | 1987-12-22 | 1989-08-29 | Steele Willard A | Vacuum support table for glass glazing and the like |
GB9925610D0 (en) * | 1999-10-29 | 1999-12-29 | British Aerospace | Workpiece support |
US7134649B2 (en) * | 2004-05-27 | 2006-11-14 | The Boeing Company | Conformal vacuum cup apparatus and method |
US7584947B2 (en) * | 2005-05-20 | 2009-09-08 | The Boeing Company | Reconfigurable workpiece support fixture |
CN201913633U (en) * | 2010-12-03 | 2011-08-03 | 青岛宙庆工业设计有限公司 | Rotating worktable for processing automobiles |
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ES2026410A6 (en) * | 1990-11-14 | 1992-04-16 | Torres Martinez M | System for the spatial positioning of pieces |
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CN108453642A (en) | 2018-08-28 |
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